[Enter `^Ec?' for help] coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 bootblock starting... CPU: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz CPU: ID 806e9, Kabylake H0, ucode: 00000097 CPU: AES supported, TXT NOT supported, VT supported MCH: device id 590c (rev 02) is Kabylake-Y PCH: device id 9d4b (rev 21) is Kabylake-Y iHDCP 2.2 Premium IGD: device id 591c (rev 02) is Amberlake ULX GT2 VBOOT: Loading verstage. CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/verstage' CBFS: Found @ offset 1a0a80 size f47c coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 verstage starting... Probing TPM: . done! TPM ready after 0 ms Connected to device vid:did:rid of 1ae0:0028:00 Firmware version: B2-C:0 RO_B:0.0.11/4d655eab RW_B:0.5.153/cr50_v2.94_mp.151-b967c9caf7 Initialized TPM device CR50 revision 0 tlcl_send_startup: Startup return code is 0 TPM: setup succeeded src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x1007 return code 0 Chrome EC: UHEPI supported Phase 1 FMAP: Found "FLASH" version 1.1 at c10000. FMAP: base = ff000000 size = 1000000 #areas = 33 FMAP: area GBB found @ c11000 (978944 bytes) VB2:vb2_check_recovery() Recovery reason from previous boot: 0x0 / 0x0 VB2:vb2_check_recovery() Recovery was requested manually VB2:vb2_check_recovery() We have a recovery request: 0x2 / 0x0 Recovery requested (1009000e) tlcl_extend: response is 0 tlcl_extend: response is 0 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/romstage' CBFS: Found @ offset 80 size 10ffc coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 romstage starting... pm1_sts: 0100 pm1_en: 0000 pm1_cnt: 00001c00 gpe0_sts[0]: 00000000 gpe0_en[0]: 00000000 gpe0_sts[1]: 00000000 gpe0_en[1]: 00000000 gpe0_sts[2]: 00000001 gpe0_en[2]: 00000000 gpe0_sts[3]: 00000000 gpe0_en[3]: 00000000 TCO_STS: 0000 0000 GEN_PMCON: e0040200 0000503a GBLRST_CAUSE: 00000000 00000000 prev_sleep_state 5 Boot Count incremented to 78540 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fspm.bin' CBFS: Found @ offset 103fc0 size 63000 Chrome EC: UHEPI supported FMAP: Found "FLASH" version 1.1 at c10000. FMAP: base = ff000000 size = 1000000 #areas = 33 FMAP: area RECOVERY_MRC_CACHE found @ 9d0000 (65536 bytes) Probing TPM: done! Connected to device vid:did:rid of 1ae0:0028:00 Firmware version: B2-C:0 RO_B:0.0.11/4d655eab RW_B:0.5.153/cr50_v2.94_mp.151-b967c9caf7 Initialized TPM device CR50 revision 0 src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x100b return code 0 MRC: Hash comparison successful. Using data from RECOVERY_MRC_CACHE MRC cache found, size 1868 bootmode is set to :2 SPD index 1 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'spd.bin' CBFS: Found @ offset 1a0240 size 800 SPD: module type is LPDDR3 SPD: module part is K4E8E324EB-EGCF SPD: banks 8, ranks 1, rows 15, columns 10, density 8192 Mb SPD: device width 32 bits, bus width 64 bits SPD: module size is 2048 MB (per channel) CBMEM: IMD: root @ 7afff000 254 entries. IMD: root @ 7affec00 62 entries. External stage cache: IMD: root @ 7b3ff000 254 entries. IMD: root @ 7b3fec00 62 entries. creating vboot_handoff structure Chrome EC: clear events_b mask to 0x0000000021004000 src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x100b return code 0 tlcl_write: response is 0 src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x100b return code 0 MRC: TPM MRC hash updated successfully. 2 DIMMs found top_of_ram = 0x7b000000 MTRR Range: Start=7a000000 End=7b000000 (Size 1000000) MTRR Range: Start=7b000000 End=7b800000 (Size 800000) MTRR Range: Start=ff000000 End=0 (Size 1000000) CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/postcar' CBFS: Found @ offset 197000 size 3f04 Decompressing stage fallback/postcar @ 0x7abd0fc0 (32720 bytes) Loading module at 7abd1000 with entry 7abd1000. filesize: 0x3cd0 memsize: 0x7f90 Processing 118 relocs. Offset value of 0x78bd1000 coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 postcar starting... CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/ramstage' CBFS: Found @ offset e8d80 size 1a462 Decompressing stage fallback/ramstage @ 0x7ab05fc0 (826808 bytes) Loading module at 7ab06000 with entry 7ab06000. filesize: 0x38d90 memsize: 0xc9d78 Processing 3657 relocs. Offset value of 0x79d06000 coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 ramstage starting... FMAP: Found "FLASH" version 1.1 at c10000. FMAP: base = ff000000 size = 1000000 #areas = 33 FMAP: area RO_VPD found @ c00000 (16384 bytes) WARNING: RO_VPD is uninitialized or empty. FMAP: area RW_VPD found @ 9f8000 (8192 bytes) FMAP: area RW_VPD found @ 9f8000 (8192 bytes) Normal boot. BS: BS_PRE_DEVICE times (us): entry 0 run 30 exit 0 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'cpu_microcode_blob.bin' CBFS: Found @ offset 11100 size d7c00 microcode: sig=0x806e9 pf=0x10 revision=0x97 Skip microcode update CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fsps.bin' CBFS: Found @ offset 167fc0 size 2f000 Detected 2 core, 4 thread CPU. Setting up SMI for CPU IED base = 0x7b400000 IED size = 0x00400000 Will perform SMM setup. CPU: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz. Loading module at 00030000 with entry 00030000. filesize: 0x170 memsize: 0x170 Processing 16 relocs. Offset value of 0x00030000 Attempting to start 3 APs Waiting for 10ms after sending INIT. Waiting for 1st SIPI to complete...done. AP: slot 2 apic_id 3. AP: slot 3 apic_id 2. Waiting for 2nd SIPI to complete...done. AP: slot 1 apic_id 1. Loading module at 00038000 with entry 00038000. filesize: 0x1a8 memsize: 0x1a8 Processing 13 relocs. Offset value of 0x00038000 SMM Module: stub loaded at 00038000. Will call 7ab21603(00000000) Installing SMM handler to 0x7b000000 Loading module at 7b010000 with entry 7b010a19. filesize: 0x3b08 memsize: 0x8bc0 Processing 243 relocs. Offset value of 0x7b010000 Loading module at 7b008000 with entry 7b008000. filesize: 0x1a8 memsize: 0x1a8 Processing 13 relocs. Offset value of 0x7b008000 SMM Module: placing jmp sequence at 7b007c00 rel16 0x03fd SMM Module: placing jmp sequence at 7b007800 rel16 0x07fd SMM Module: placing jmp sequence at 7b007400 rel16 0x0bfd SMM Module: stub loaded at 7b008000. Will call 7b010a19(00000000) Clearing SMI status registers SMI_STS: PM1 PM1_STS: PWRBTN TCO_STS: BOOT SECOND_TO New SMBASE 0x7b000000 In relocation handler: CPU 0 New SMBASE=0x7b000000 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. New SMBASE 0x7afffc00 In relocation handler: CPU 1 New SMBASE=0x7afffc00 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. New SMBASE 0x7afff400 In relocation handler: CPU 3 New SMBASE=0x7afff400 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. New SMBASE 0x7afff800 In relocation handler: CPU 2 New SMBASE=0x7afff800 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. Initializing CPU #0 CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 Setting up local APIC... apic_id: 0x00 done. Turbo is available but hidden Turbo has been enabled SGX : param.enable = 0 Skip microcode update CPU #0 initialized Initializing CPU #1 Initializing CPU #3 Initializing CPU #2 CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 Setting up local APIC...CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 Setting up local APIC...Setting up local APIC... apic_id: 0x03 done. apic_id: 0x02 done. Skip microcode update Skip microcode update CPU #2 initialized CPU #3 initialized apic_id: 0x01 done. Skip microcode update CPU #1 initialized bsp_do_flight_plan done after 229 msecs. CPU: frequency set to 3400 MHz Enabling SMIs. Locking SMM. VMX : param.enable = 1 VMX status: enabled, unlocked SGX: pre-conditions not met VMX status: enabled, unlocked SGX: pre-conditions not met VMX status: enabled, unlocked VMX status: enabled, unlocked SGX: pre-conditions not met SGX: pre-conditions not met CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'vbt.bin' CBFS: Found @ offset 103a00 size 48e Found a VBT of 4608 bytes after decompression psys_pmax = 360 FMAP: area GBB found @ c11000 (978944 bytes) ITSS IRQ Polarities Before: IPC0: 0x00ff4000 IPC1: 0x00000007 IPC2: 0x00000000 IPC3: 0x00000000 ITSS IRQ Polarities After: IPC0: 0x00ff4000 IPC1: 0x00000007 IPC2: 0x00000000 IPC3: 0x00000000 Override DT after FSP-S, PCH is KBL/SKL PCH-LP SKU BS: BS_DEV_INIT_CHIPS times (us): entry 376207 run 166692 exit 0 Enumerating buses... Show all devs... Before device enumeration. Root Device: enabled 1 CPU_CLUSTER: 0: enabled 1 DOMAIN: 0000: enabled 1 APIC: 00: enabled 1 PCI: 00:00.0: enabled 1 PCI: 00:02.0: enabled 1 PCI: 00:14.0: enabled 1 PCI: 00:14.1: enabled 0 PCI: 00:14.2: enabled 1 PCI: 00:15.0: enabled 1 PCI: 00:15.1: enabled 1 PCI: 00:15.2: enabled 0 PCI: 00:15.3: enabled 0 PCI: 00:16.0: enabled 1 PCI: 00:16.1: enabled 0 PCI: 00:16.2: enabled 0 PCI: 00:16.3: enabled 0 PCI: 00:16.4: enabled 0 PCI: 00:17.0: enabled 0 PCI: 00:19.0: enabled 1 PCI: 00:19.1: enabled 1 PCI: 00:19.2: enabled 0 PCI: 00:1c.0: enabled 1 PCI: 00:1c.1: enabled 0 PCI: 00:1c.2: enabled 0 PCI: 00:1c.3: enabled 0 PCI: 00:1c.4: enabled 0 PCI: 00:1c.5: enabled 0 PCI: 00:1c.6: enabled 0 PCI: 00:1c.7: enabled 0 PCI: 00:1d.0: enabled 0 PCI: 00:1d.1: enabled 0 PCI: 00:1d.2: enabled 0 PCI: 00:1d.3: enabled 0 PCI: 00:1e.0: enabled 1 PCI: 00:1e.1: enabled 0 PCI: 00:1e.2: enabled 1 PCI: 00:1e.3: enabled 0 PCI: 00:1e.4: enabled 1 PCI: 00:1e.5: enabled 0 PCI: 00:1e.6: enabled 1 PCI: 00:1f.0: enabled 1 PCI: 00:1f.1: enabled 1 PCI: 00:1f.2: enabled 1 PCI: 00:1f.3: enabled 1 PCI: 00:1f.4: enabled 1 PCI: 00:1f.5: enabled 1 PCI: 00:1f.6: enabled 0 USB0 port 0: enabled 1 I2C: 00:5c: enabled 1 I2C: 00:15: enabled 1 I2C: 00:39: enabled 1 I2C: 00:3a: enabled 1 I2C: 00:1a: enabled 1 PCI: 00:00.0: enabled 1 SPI: 00: enabled 1 PNP: 0c09.0: enabled 1 USB2 port 0: enabled 1 USB2 port 1: enabled 1 USB2 port 2: enabled 1 USB2 port 4: enabled 1 USB2 port 8: enabled 1 APIC: 01: enabled 1 APIC: 03: enabled 1 APIC: 02: enabled 1 Compare with tree... Root Device: enabled 1 CPU_CLUSTER: 0: enabled 1 APIC: 00: enabled 1 APIC: 01: enabled 1 APIC: 03: enabled 1 APIC: 02: enabled 1 DOMAIN: 0000: enabled 1 PCI: 00:00.0: enabled 1 PCI: 00:02.0: enabled 1 PCI: 00:14.0: enabled 1 USB0 port 0: enabled 1 USB2 port 0: enabled 1 USB2 port 1: enabled 1 USB2 port 2: enabled 1 USB2 port 4: enabled 1 USB2 port 8: enabled 1 PCI: 00:14.1: enabled 0 PCI: 00:14.2: enabled 1 PCI: 00:15.0: enabled 1 I2C: 00:5c: enabled 1 PCI: 00:15.1: enabled 1 I2C: 00:15: enabled 1 PCI: 00:15.2: enabled 0 PCI: 00:15.3: enabled 0 PCI: 00:16.0: enabled 1 PCI: 00:16.1: enabled 0 PCI: 00:16.2: enabled 0 PCI: 00:16.3: enabled 0 PCI: 00:16.4: enabled 0 PCI: 00:17.0: enabled 0 PCI: 00:19.0: enabled 1 PCI: 00:19.1: enabled 1 I2C: 00:39: enabled 1 I2C: 00:3a: enabled 1 I2C: 00:1a: enabled 1 PCI: 00:19.2: enabled 0 PCI: 00:1c.0: enabled 1 PCI: 00:00.0: enabled 1 PCI: 00:1c.1: enabled 0 PCI: 00:1c.2: enabled 0 PCI: 00:1c.3: enabled 0 PCI: 00:1c.4: enabled 0 PCI: 00:1c.5: enabled 0 PCI: 00:1c.6: enabled 0 PCI: 00:1c.7: enabled 0 PCI: 00:1d.0: enabled 0 PCI: 00:1d.1: enabled 0 PCI: 00:1d.2: enabled 0 PCI: 00:1d.3: enabled 0 PCI: 00:1e.0: enabled 1 PCI: 00:1e.1: enabled 0 PCI: 00:1e.2: enabled 1 SPI: 00: enabled 1 PCI: 00:1e.3: enabled 0 PCI: 00:1e.4: enabled 1 PCI: 00:1e.5: enabled 0 PCI: 00:1e.6: enabled 1 PCI: 00:1f.0: enabled 1 PNP: 0c09.0: enabled 1 PCI: 00:1f.1: enabled 1 PCI: 00:1f.2: enabled 1 PCI: 00:1f.3: enabled 1 PCI: 00:1f.4: enabled 1 PCI: 00:1f.5: enabled 1 PCI: 00:1f.6: enabled 0 Root Device scanning... root_dev_scan_bus for Root Device CPU_CLUSTER: 0 enabled DOMAIN: 0000 enabled DOMAIN: 0000 scanning... PCI: pci_scan_bus for bus 00 PCI: 00:00.0 [8086/0000] ops PCI: 00:00.0 [8086/590c] enabled PCI: 00:02.0 [8086/0000] ops PCI: 00:02.0 [8086/591c] enabled PCI: 00:04.0 [8086/1903] enabled PCI: 00:08.0 [8086/1911] enabled PCI: 00:14.0 [8086/0000] bus ops PCI: 00:14.0 [8086/9d2f] enabled PCI: 00:14.2 [8086/9d31] enabled PCI: 00:15.0 [8086/0000] bus ops PCI: 00:15.0 [8086/9d60] enabled PCI: 00:15.1 [8086/0000] bus ops PCI: 00:15.1 [8086/9d61] enabled PCI: 00:16.0 [8086/0000] ops PCI: 00:16.0 [8086/9d3a] enabled PCI: 00:19.0 [8086/0000] ops PCI: 00:19.0 [8086/9d66] enabled PCI: 00:19.1 [8086/0000] bus ops PCI: 00:19.1 [8086/9d65] enabled PCI: 00:1c.0 [8086/0000] bus ops PCI: 00:1c.0 [8086/9d10] enabled PCI: 00:1e.0 [8086/0000] ops PCI: 00:1e.0 [8086/9d27] enabled PCI: 00:1e.2 [8086/0000] bus ops PCI: 00:1e.2 [8086/9d29] enabled PCI: 00:1e.4 [8086/9d2b] enabled PCI: 00:1e.6 [8086/0000] ops PCI: 00:1e.6 [8086/9d2d] enabled PCI: 00:1f.0 [8086/0000] bus ops PCI: 00:1f.0 [8086/9d4b] enabled PCI: Static device PCI: 00:1f.1 not found, disabling it. PCI: 00:1f.2 [8086/0000] bus ops PCI: 00:1f.2 [8086/9d21] enabled PCI: 00:1f.3 [8086/0000] bus ops PCI: 00:1f.3 [8086/9d71] enabled PCI: 00:1f.4 [8086/0000] bus ops PCI: 00:1f.4 [8086/9d23] enabled PCI: 00:1f.5 [8086/0000] bus ops PCI: 00:1f.5 [8086/9d24] enabled PCI: 00:14.0 scanning... scan_usb_bus for PCI: 00:14.0 USB0 port 0 enabled USB0 port 0 scanning... scan_usb_bus for USB0 port 0 USB2 port 0 enabled USB2 port 1 enabled USB2 port 2 enabled USB2 port 4 enabled USB2 port 8 enabled USB2 port 0 scanning... scan_usb_bus for USB2 port 0 scan_usb_bus for USB2 port 0 done scan_bus: scanning of bus USB2 port 0 took 8979 usecs USB2 port 1 scanning... scan_usb_bus for USB2 port 1 scan_usb_bus for USB2 port 1 done scan_bus: scanning of bus USB2 port 1 took 8976 usecs USB2 port 2 scanning... scan_usb_bus for USB2 port 2 scan_usb_bus for USB2 port 2 done scan_bus: scanning of bus USB2 port 2 took 8976 usecs USB2 port 4 scanning... scan_usb_bus for USB2 port 4 scan_usb_bus for USB2 port 4 done scan_bus: scanning of bus USB2 port 4 took 8978 usecs USB2 port 8 scanning... scan_usb_bus for USB2 port 8 scan_usb_bus for USB2 port 8 done scan_bus: scanning of bus USB2 port 8 took 8976 usecs scan_usb_bus for USB0 port 0 done scan_bus: scanning of bus USB0 port 0 took 90985 usecs scan_usb_bus for PCI: 00:14.0 done scan_bus: scanning of bus PCI: 00:14.0 took 107799 usecs PCI: 00:15.0 scanning... scan_generic_bus for PCI: 00:15.0 bus: PCI: 00:15.0[0]->I2C: 01:5c enabled scan_generic_bus for PCI: 00:15.0 done scan_bus: scanning of bus PCI: 00:15.0 took 14159 usecs PCI: 00:15.1 scanning... scan_generic_bus for PCI: 00:15.1 bus: PCI: 00:15.1[0]->I2C: 02:15 enabled scan_generic_bus for PCI: 00:15.1 done scan_bus: scanning of bus PCI: 00:15.1 took 14153 usecs PCI: 00:19.1 scanning... scan_generic_bus for PCI: 00:19.1 bus: PCI: 00:19.1[0]->I2C: 03:39 enabled bus: PCI: 00:19.1[0]->I2C: 03:3a enabled bus: PCI: 00:19.1[0]->I2C: 03:1a enabled scan_generic_bus for PCI: 00:19.1 done scan_bus: scanning of bus PCI: 00:19.1 took 22378 usecs PCI: 00:1c.0 scanning... do_pci_scan_bridge for PCI: 00:1c.0 PCI: pci_scan_bus for bus 01 PCI: 01:00.0 [8086/095a] enabled Capability: type 0x01 @ 0xc8 Capability: type 0x05 @ 0xd0 Capability: type 0x10 @ 0x40 Capability: type 0x10 @ 0x40 Enabling Common Clock Configuration L1 Sub-State supported from root port 28 L1 Sub-State Support = 0xf CommonModeRestoreTime = 0x28 Power On Value = 0x1e, Power On Scale = 0x0 ASPM: Enabled L1 Capability: type 0x01 @ 0xc8 Capability: type 0x05 @ 0xd0 Capability: type 0x10 @ 0x40 scan_bus: scanning of bus PCI: 00:1c.0 took 53549 usecs PCI: 00:1e.2 scanning... scan_generic_bus for PCI: 00:1e.2 bus: PCI: 00:1e.2[0]->SPI: 00 enabled scan_generic_bus for PCI: 00:1e.2 done scan_bus: scanning of bus PCI: 00:1e.2 took 13850 usecs PCI: 00:1f.0 scanning... scan_lpc_bus for PCI: 00:1f.0 PNP: 0c09.0 enabled scan_lpc_bus for PCI: 00:1f.0 done scan_bus: scanning of bus PCI: 00:1f.0 took 11316 usecs PCI: 00:1f.2 scanning... scan_lpc_bus for PCI: 00:1f.2 scan_lpc_bus for PCI: 00:1f.2 done scan_bus: scanning of bus PCI: 00:1f.2 took 9254 usecs PCI: 00:1f.3 scanning... scan_bus: scanning of bus PCI: 00:1f.3 took 2719 usecs PCI: 00:1f.4 scanning... scan_generic_bus for PCI: 00:1f.4 scan_generic_bus for PCI: 00:1f.4 done scan_bus: scanning of bus PCI: 00:1f.4 took 10044 usecs PCI: 00:1f.5 scanning... scan_generic_bus for PCI: 00:1f.5 scan_generic_bus for PCI: 00:1f.5 done scan_bus: scanning of bus PCI: 00:1f.5 took 10042 usecs scan_bus: scanning of bus DOMAIN: 0000 took 466153 usecs root_dev_scan_bus for Root Device done scan_bus: scanning of bus Root Device took 486256 usecs done Chrome EC: UHEPI supported FMAP: area RECOVERY_MRC_CACHE found @ 9d0000 (65536 bytes) MRC: Checking cached data update for 'RECOVERY_MRC_CACHE'. SF: Detected FAST_SPI Hardware Sequencer with sector size 0x1000, total 0x1000000 FMAP: area UNIFIED_MRC_CACHE found @ 9d0000 (131072 bytes) SPI flash protection: WPSW=0 SRP0=0 MRC: NOT enabling PRR for 'UNIFIED_MRC_CACHE'. BS: BS_DEV_ENUMERATE times (us): entry 0 run 826106 exit 39488 found VGA at PCI: 00:02.0 Setting up VGA for PCI: 00:02.0 Setting PCI_BRIDGE_CTL_VGA for bridge DOMAIN: 0000 Setting PCI_BRIDGE_CTL_VGA for bridge Root Device Allocating resources... Reading resources... Root Device read_resources bus 0 link: 0 CPU_CLUSTER: 0 read_resources bus 0 link: 0 CPU_CLUSTER: 0 read_resources bus 0 link: 0 done DOMAIN: 0000 read_resources bus 0 link: 0 PCI: 00:14.0 read_resources bus 0 link: 0 USB0 port 0 read_resources bus 0 link: 0 USB0 port 0 read_resources bus 0 link: 0 done PCI: 00:14.0 read_resources bus 0 link: 0 done PCI: 00:15.0 read_resources bus 1 link: 0 PCI: 00:15.0 read_resources bus 1 link: 0 done PCI: 00:15.1 read_resources bus 2 link: 0 PCI: 00:15.1 read_resources bus 2 link: 0 done PCI: 00:19.1 read_resources bus 3 link: 0 PCI: 00:19.1 read_resources bus 3 link: 0 done PCI: 00:1c.0 read_resources bus 1 link: 0 PCI: 00:1c.0 read_resources bus 1 link: 0 done PCI: 00:1e.2 read_resources bus 4 link: 0 PCI: 00:1e.2 read_resources bus 4 link: 0 done PCI: 00:1f.0 read_resources bus 0 link: 0 PCI: 00:1f.0 read_resources bus 0 link: 0 done DOMAIN: 0000 read_resources bus 0 link: 0 done Root Device read_resources bus 0 link: 0 done Done reading resources. Show resources in subtree (Root Device)...After reading. Root Device child on link 0 CPU_CLUSTER: 0 CPU_CLUSTER: 0 child on link 0 APIC: 00 APIC: 00 APIC: 01 APIC: 03 APIC: 02 DOMAIN: 0000 child on link 0 PCI: 00:00.0 DOMAIN: 0000 resource base 0 size 0 align 0 gran 0 limit ffff flags 40040100 index 10000000 DOMAIN: 0000 resource base 0 size 0 align 0 gran 0 limit ffffffff flags 40040200 index 10000100 PCI: 00:00.0 PCI: 00:00.0 resource base e0000000 size 4000000 align 0 gran 0 limit 0 flags f0000200 index 0 PCI: 00:00.0 resource base fed10000 size 8000 align 0 gran 0 limit 0 flags f0000200 index 1 PCI: 00:00.0 resource base fed18000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 2 PCI: 00:00.0 resource base fed19000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 3 PCI: 00:00.0 resource base fed84000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 4 PCI: 00:00.0 resource base fed80000 size 4000 align 0 gran 0 limit 0 flags f0000200 index 5 PCI: 00:00.0 resource base fed90000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 6 PCI: 00:00.0 resource base fed91000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 7 PCI: 00:00.0 resource base 0 size a0000 align 0 gran 0 limit 0 flags e0004200 index 8 PCI: 00:00.0 resource base c0000 size 7af40000 align 0 gran 0 limit 0 flags e0004200 index 9 PCI: 00:00.0 resource base 7b000000 size 800000 align 0 gran 0 limit 0 flags f0004200 index b PCI: 00:00.0 resource base 7b800000 size 4800000 align 0 gran 0 limit 0 flags f0000200 index c PCI: 00:00.0 resource base 100000000 size 7f000000 align 0 gran 0 limit 0 flags e0004200 index d PCI: 00:00.0 resource base a0000 size 20000 align 0 gran 0 limit 0 flags f0000200 index e PCI: 00:00.0 resource base c0000 size 40000 align 0 gran 0 limit 0 flags f0004200 index f PCI: 00:02.0 PCI: 00:02.0 resource base 0 size 1000000 align 24 gran 24 limit ffffffffffffffff flags 201 index 10 PCI: 00:02.0 resource base 0 size 10000000 align 28 gran 28 limit ffffffffffffffff flags 1201 index 18 PCI: 00:02.0 resource base 0 size 40 align 6 gran 6 limit ffff flags 100 index 20 PCI: 00:04.0 PCI: 00:04.0 resource base 0 size 8000 align 15 gran 15 limit ffffffffffffffff flags 201 index 10 PCI: 00:08.0 PCI: 00:08.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:14.0 child on link 0 USB0 port 0 PCI: 00:14.0 resource base 0 size 10000 align 16 gran 16 limit ffffffffffffffff flags 201 index 10 USB0 port 0 child on link 0 USB2 port 0 USB2 port 0 USB2 port 1 USB2 port 2 USB2 port 4 USB2 port 8 PCI: 00:14.1 PCI: 00:14.2 PCI: 00:14.2 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:15.0 child on link 0 I2C: 01:5c PCI: 00:15.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 I2C: 01:5c PCI: 00:15.1 child on link 0 I2C: 02:15 PCI: 00:15.1 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 I2C: 02:15 PCI: 00:15.2 PCI: 00:15.3 PCI: 00:16.0 PCI: 00:16.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:16.1 PCI: 00:16.2 PCI: 00:16.3 PCI: 00:16.4 PCI: 00:17.0 PCI: 00:19.0 PCI: 00:19.0 resource base fe034000 size 1000 align 12 gran 12 limit ffffffffffffffff flags c0000200 index 10 PCI: 00:19.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 18 PCI: 00:19.1 child on link 0 I2C: 03:39 PCI: 00:19.1 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 I2C: 03:39 I2C: 03:3a I2C: 03:1a PCI: 00:19.2 PCI: 00:1c.0 child on link 0 PCI: 01:00.0 PCI: 00:1c.0 resource base 0 size 0 align 12 gran 12 limit ffff flags 80102 index 1c PCI: 00:1c.0 resource base 0 size 0 align 20 gran 20 limit ffffffffffffffff flags 81202 index 24 PCI: 00:1c.0 resource base 0 size 0 align 20 gran 20 limit ffffffff flags 80202 index 20 PCI: 01:00.0 PCI: 01:00.0 resource base 0 size 2000 align 13 gran 13 limit ffffffffffffffff flags 201 index 10 PCI: 00:1c.1 PCI: 00:1c.2 PCI: 00:1c.3 PCI: 00:1c.4 PCI: 00:1c.5 PCI: 00:1c.6 PCI: 00:1c.7 PCI: 00:1d.0 PCI: 00:1d.1 PCI: 00:1d.2 PCI: 00:1d.3 PCI: 00:1e.0 PCI: 00:1e.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:1e.1 PCI: 00:1e.2 child on link 0 SPI: 00 PCI: 00:1e.2 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 SPI: 00 PCI: 00:1e.3 PCI: 00:1e.4 PCI: 00:1e.4 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:1e.5 PCI: 00:1e.6 PCI: 00:1e.6 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:1f.0 child on link 0 PNP: 0c09.0 PCI: 00:1f.0 resource base 0 size 1000 align 0 gran 0 limit 0 flags c0000100 index 0 PNP: 0c09.0 PNP: 0c09.0 resource base 800 size 1ff align 0 gran 0 limit 0 flags c0000100 index 0 PCI: 00:1f.1 PCI: 00:1f.2 PCI: 00:1f.2 resource base 0 size 4000 align 14 gran 14 limit ffffffff flags 200 index 10 PCI: 00:1f.2 resource base fe000000 size 10000 align 0 gran 0 limit 0 flags d0000200 index 48 PCI: 00:1f.2 resource base 1800 size 100 align 0 gran 0 limit 0 flags c0000100 index 40 PCI: 00:1f.3 PCI: 00:1f.3 resource base 0 size 4000 align 14 gran 14 limit ffffffffffffffff flags 201 index 10 PCI: 00:1f.3 resource base 0 size 10000 align 16 gran 16 limit ffffffffffffffff flags 201 index 20 PCI: 00:1f.4 PCI: 00:1f.4 resource base efa0 size 20 align 0 gran 0 limit efbf flags f0000100 index 20 PCI: 00:1f.4 resource base 0 size 100 align 12 gran 8 limit ffffffffffffffff flags 201 index 10 PCI: 00:1f.5 PCI: 00:1f.5 resource base 0 size 1000 align 12 gran 12 limit ffffffff flags 200 index 10 PCI: 00:1f.6 DOMAIN: 0000 io: base: 0 size: 0 align: 0 gran: 0 limit: ffff PCI: 00:1c.0 io: base: 0 size: 0 align: 12 gran: 12 limit: ffff PCI: 00:1c.0 io: base: 0 size: 0 align: 12 gran: 12 limit: ffff done PCI: 00:02.0 20 * [0x0 - 0x3f] io DOMAIN: 0000 io: base: 40 size: 40 align: 6 gran: 0 limit: ffff done DOMAIN: 0000 mem: base: 0 size: 0 align: 0 gran: 0 limit: ffffffff PCI: 00:1c.0 prefmem: base: 0 size: 0 align: 20 gran: 20 limit: ffffffffffffffff PCI: 00:1c.0 prefmem: base: 0 size: 0 align: 20 gran: 20 limit: ffffffffffffffff done PCI: 00:1c.0 mem: base: 0 size: 0 align: 20 gran: 20 limit: ffffffff PCI: 01:00.0 10 * [0x0 - 0x1fff] mem PCI: 00:1c.0 mem: base: 2000 size: 100000 align: 20 gran: 20 limit: ffffffff done PCI: 00:02.0 18 * [0x0 - 0xfffffff] prefmem PCI: 00:02.0 10 * [0x10000000 - 0x10ffffff] mem PCI: 00:1c.0 20 * [0x11000000 - 0x110fffff] mem PCI: 00:14.0 10 * [0x11100000 - 0x1110ffff] mem PCI: 00:1f.3 20 * [0x11110000 - 0x1111ffff] mem PCI: 00:04.0 10 * [0x11120000 - 0x11127fff] mem PCI: 00:1f.2 10 * [0x11128000 - 0x1112bfff] mem PCI: 00:1f.3 10 * [0x1112c000 - 0x1112ffff] mem PCI: 00:08.0 10 * [0x11130000 - 0x11130fff] mem PCI: 00:14.2 10 * [0x11131000 - 0x11131fff] mem PCI: 00:15.0 10 * [0x11132000 - 0x11132fff] mem PCI: 00:15.1 10 * [0x11133000 - 0x11133fff] mem PCI: 00:16.0 10 * [0x11134000 - 0x11134fff] mem PCI: 00:19.0 18 * [0x11135000 - 0x11135fff] mem PCI: 00:19.1 10 * [0x11136000 - 0x11136fff] mem PCI: 00:1e.0 10 * [0x11137000 - 0x11137fff] mem PCI: 00:1e.2 10 * [0x11138000 - 0x11138fff] mem PCI: 00:1e.4 10 * [0x11139000 - 0x11139fff] mem PCI: 00:1e.6 10 * [0x1113a000 - 0x1113afff] mem PCI: 00:1f.5 10 * [0x1113b000 - 0x1113bfff] mem PCI: 00:1f.4 10 * [0x1113c000 - 0x1113c0ff] mem DOMAIN: 0000 mem: base: 1113c100 size: 1113c100 align: 28 gran: 0 limit: ffffffff done avoid_fixed_resources: DOMAIN: 0000 avoid_fixed_resources:@DOMAIN: 0000 10000000 limit 0000ffff avoid_fixed_resources:@DOMAIN: 0000 10000100 limit ffffffff constrain_resources: PCI: 00:00.0 00 base e0000000 limit e3ffffff mem (fixed) constrain_resources: PCI: 00:00.0 08 base 00000000 limit 0009ffff mem (fixed) constrain_resources: PCI: 00:00.0 09 base 000c0000 limit 7affffff mem (fixed) constrain_resources: PCI: 00:00.0 0b base 7b000000 limit 7b7fffff mem (fixed) constrain_resources: PCI: 00:00.0 0c base 7b800000 limit 7fffffff mem (fixed) constrain_resources: PCI: 00:1f.0 00 base 00000000 limit 00000fff io (fixed) constrain_resources: PCI: 00:1f.2 40 base 00001800 limit 000018ff io (fixed) constrain_resources: PCI: 00:1f.4 20 base 0000efa0 limit 0000efbf io (fixed) avoid_fixed_resources:@DOMAIN: 0000 10000000 base 00001900 limit 0000ef9f avoid_fixed_resources:@DOMAIN: 0000 10000100 base c0000000 limit dfffffff Setting resources... DOMAIN: 0000 io: base:1900 size:40 align:6 gran:0 limit:ef9f PCI: 00:02.0 20 * [0x1c00 - 0x1c3f] io DOMAIN: 0000 io: next_base: 1c40 size: 40 align: 6 gran: 0 done PCI: 00:1c.0 io: base:ef9f size:0 align:12 gran:12 limit:ef9f PCI: 00:1c.0 io: next_base: ef9f size: 0 align: 12 gran: 12 done DOMAIN: 0000 mem: base:c0000000 size:1113c100 align:28 gran:0 limit:dfffffff PCI: 00:02.0 18 * [0xc0000000 - 0xcfffffff] prefmem PCI: 00:02.0 10 * [0xd0000000 - 0xd0ffffff] mem PCI: 00:1c.0 20 * [0xd1000000 - 0xd10fffff] mem PCI: 00:14.0 10 * [0xd1100000 - 0xd110ffff] mem PCI: 00:1f.3 20 * [0xd1110000 - 0xd111ffff] mem PCI: 00:04.0 10 * [0xd1120000 - 0xd1127fff] mem PCI: 00:1f.2 10 * [0xd1128000 - 0xd112bfff] mem PCI: 00:1f.3 10 * [0xd112c000 - 0xd112ffff] mem PCI: 00:08.0 10 * [0xd1130000 - 0xd1130fff] mem PCI: 00:14.2 10 * [0xd1131000 - 0xd1131fff] mem PCI: 00:15.0 10 * [0xd1132000 - 0xd1132fff] mem PCI: 00:15.1 10 * [0xd1133000 - 0xd1133fff] mem PCI: 00:16.0 10 * [0xd1134000 - 0xd1134fff] mem PCI: 00:19.0 18 * [0xd1135000 - 0xd1135fff] mem PCI: 00:19.1 10 * [0xd1136000 - 0xd1136fff] mem PCI: 00:1e.0 10 * [0xd1137000 - 0xd1137fff] mem PCI: 00:1e.2 10 * [0xd1138000 - 0xd1138fff] mem PCI: 00:1e.4 10 * [0xd1139000 - 0xd1139fff] mem PCI: 00:1e.6 10 * [0xd113a000 - 0xd113afff] mem PCI: 00:1f.5 10 * [0xd113b000 - 0xd113bfff] mem PCI: 00:1f.4 10 * [0xd113c000 - 0xd113c0ff] mem DOMAIN: 0000 mem: next_base: d113c100 size: 1113c100 align: 28 gran: 0 done PCI: 00:1c.0 prefmem: base:dfffffff size:0 align:20 gran:20 limit:dfffffff PCI: 00:1c.0 prefmem: next_base: dfffffff size: 0 align: 20 gran: 20 done PCI: 00:1c.0 mem: base:d1000000 size:100000 align:20 gran:20 limit:d10fffff PCI: 01:00.0 10 * [0xd1000000 - 0xd1001fff] mem PCI: 00:1c.0 mem: next_base: d1002000 size: 100000 align: 20 gran: 20 done Root Device assign_resources, bus 0 link: 0 DOMAIN: 0000 assign_resources, bus 0 link: 0 PCI: 00:02.0 10 <- [0x00d0000000 - 0x00d0ffffff] size 0x01000000 gran 0x18 mem64 PCI: 00:02.0 18 <- [0x00c0000000 - 0x00cfffffff] size 0x10000000 gran 0x1c prefmem64 PCI: 00:02.0 20 <- [0x0000001c00 - 0x0000001c3f] size 0x00000040 gran 0x06 io PCI: 00:04.0 10 <- [0x00d1120000 - 0x00d1127fff] size 0x00008000 gran 0x0f mem64 PCI: 00:08.0 10 <- [0x00d1130000 - 0x00d1130fff] size 0x00001000 gran 0x0c mem64 PCI: 00:14.0 10 <- [0x00d1100000 - 0x00d110ffff] size 0x00010000 gran 0x10 mem64 PCI: 00:14.0 assign_resources, bus 0 link: 0 PCI: 00:14.0 assign_resources, bus 0 link: 0 PCI: 00:14.2 10 <- [0x00d1131000 - 0x00d1131fff] size 0x00001000 gran 0x0c mem64 PCI: 00:15.0 10 <- [0x00d1132000 - 0x00d1132fff] size 0x00001000 gran 0x0c mem64 PCI: 00:15.0 assign_resources, bus 1 link: 0 PCI: 00:15.0 assign_resources, bus 1 link: 0 PCI: 00:15.1 10 <- [0x00d1133000 - 0x00d1133fff] size 0x00001000 gran 0x0c mem64 PCI: 00:15.1 assign_resources, bus 2 link: 0 PCI: 00:15.1 assign_resources, bus 2 link: 0 PCI: 00:16.0 10 <- [0x00d1134000 - 0x00d1134fff] size 0x00001000 gran 0x0c mem64 PCI: 00:19.0 18 <- [0x00d1135000 - 0x00d1135fff] size 0x00001000 gran 0x0c mem64 PCI: 00:19.1 10 <- [0x00d1136000 - 0x00d1136fff] size 0x00001000 gran 0x0c mem64 PCI: 00:19.1 assign_resources, bus 3 link: 0 PCI: 00:19.1 assign_resources, bus 3 link: 0 PCI: 00:1c.0 1c <- [0x000000ef9f - 0x000000ef9e] size 0x00000000 gran 0x0c bus 01 io PCI: 00:1c.0 24 <- [0x00dfffffff - 0x00dffffffe] size 0x00000000 gran 0x14 bus 01 prefmem PCI: 00:1c.0 20 <- [0x00d1000000 - 0x00d10fffff] size 0x00100000 gran 0x14 bus 01 mem PCI: 00:1c.0 assign_resources, bus 1 link: 0 PCI: 01:00.0 10 <- [0x00d1000000 - 0x00d1001fff] size 0x00002000 gran 0x0d mem64 PCI: 00:1c.0 assign_resources, bus 1 link: 0 PCI: 00:1e.0 10 <- [0x00d1137000 - 0x00d1137fff] size 0x00001000 gran 0x0c mem64 PCI: 00:1e.2 10 <- [0x00d1138000 - 0x00d1138fff] size 0x00001000 gran 0x0c mem64 PCI: 00:1e.2 assign_resources, bus 4 link: 0 PCI: 00:1e.2 assign_resources, bus 4 link: 0 PCI: 00:1e.4 10 <- [0x00d1139000 - 0x00d1139fff] size 0x00001000 gran 0x0c mem64 PCI: 00:1e.6 10 <- [0x00d113a000 - 0x00d113afff] size 0x00001000 gran 0x0c mem64 PCI: 00:1f.0 assign_resources, bus 0 link: 0 PCI: 00:1f.0 assign_resources, bus 0 link: 0 LPC: Trying to open IO window from 800 size 1ff PCI: 00:1f.2 10 <- [0x00d1128000 - 0x00d112bfff] size 0x00004000 gran 0x0e mem PCI: 00:1f.3 10 <- [0x00d112c000 - 0x00d112ffff] size 0x00004000 gran 0x0e mem64 PCI: 00:1f.3 20 <- [0x00d1110000 - 0x00d111ffff] size 0x00010000 gran 0x10 mem64 PCI: 00:1f.4 10 <- [0x00d113c000 - 0x00d113c0ff] size 0x00000100 gran 0x08 mem64 PCI: 00:1f.5 10 <- [0x00d113b000 - 0x00d113bfff] size 0x00001000 gran 0x0c mem DOMAIN: 0000 assign_resources, bus 0 link: 0 Root Device assign_resources, bus 0 link: 0 Done setting resources. Show resources in subtree (Root Device)...After assigning values. Root Device child on link 0 CPU_CLUSTER: 0 CPU_CLUSTER: 0 child on link 0 APIC: 00 APIC: 00 APIC: 01 APIC: 03 APIC: 02 DOMAIN: 0000 child on link 0 PCI: 00:00.0 DOMAIN: 0000 resource base 1900 size 40 align 6 gran 0 limit ef9f flags 40040100 index 10000000 DOMAIN: 0000 resource base c0000000 size 1113c100 align 28 gran 0 limit dfffffff flags 40040200 index 10000100 PCI: 00:00.0 PCI: 00:00.0 resource base e0000000 size 4000000 align 0 gran 0 limit 0 flags f0000200 index 0 PCI: 00:00.0 resource base fed10000 size 8000 align 0 gran 0 limit 0 flags f0000200 index 1 PCI: 00:00.0 resource base fed18000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 2 PCI: 00:00.0 resource base fed19000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 3 PCI: 00:00.0 resource base fed84000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 4 PCI: 00:00.0 resource base fed80000 size 4000 align 0 gran 0 limit 0 flags f0000200 index 5 PCI: 00:00.0 resource base fed90000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 6 PCI: 00:00.0 resource base fed91000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 7 PCI: 00:00.0 resource base 0 size a0000 align 0 gran 0 limit 0 flags e0004200 index 8 PCI: 00:00.0 resource base c0000 size 7af40000 align 0 gran 0 limit 0 flags e0004200 index 9 PCI: 00:00.0 resource base 7b000000 size 800000 align 0 gran 0 limit 0 flags f0004200 index b PCI: 00:00.0 resource base 7b800000 size 4800000 align 0 gran 0 limit 0 flags f0000200 index c PCI: 00:00.0 resource base 100000000 size 7f000000 align 0 gran 0 limit 0 flags e0004200 index d PCI: 00:00.0 resource base a0000 size 20000 align 0 gran 0 limit 0 flags f0000200 index e PCI: 00:00.0 resource base c0000 size 40000 align 0 gran 0 limit 0 flags f0004200 index f PCI: 00:02.0 PCI: 00:02.0 resource base d0000000 size 1000000 align 24 gran 24 limit d0ffffff flags 60000201 index 10 PCI: 00:02.0 resource base c0000000 size 10000000 align 28 gran 28 limit cfffffff flags 60001201 index 18 PCI: 00:02.0 resource base 1c00 size 40 align 6 gran 6 limit 1c3f flags 60000100 index 20 PCI: 00:04.0 PCI: 00:04.0 resource base d1120000 size 8000 align 15 gran 15 limit d1127fff flags 60000201 index 10 PCI: 00:08.0 PCI: 00:08.0 resource base d1130000 size 1000 align 12 gran 12 limit d1130fff flags 60000201 index 10 PCI: 00:14.0 child on link 0 USB0 port 0 PCI: 00:14.0 resource base d1100000 size 10000 align 16 gran 16 limit d110ffff flags 60000201 index 10 USB0 port 0 child on link 0 USB2 port 0 USB2 port 0 USB2 port 1 USB2 port 2 USB2 port 4 USB2 port 8 PCI: 00:14.1 PCI: 00:14.2 PCI: 00:14.2 resource base d1131000 size 1000 align 12 gran 12 limit d1131fff flags 60000201 index 10 PCI: 00:15.0 child on link 0 I2C: 01:5c PCI: 00:15.0 resource base d1132000 size 1000 align 12 gran 12 limit d1132fff flags 60000201 index 10 I2C: 01:5c PCI: 00:15.1 child on link 0 I2C: 02:15 PCI: 00:15.1 resource base d1133000 size 1000 align 12 gran 12 limit d1133fff flags 60000201 index 10 I2C: 02:15 PCI: 00:15.2 PCI: 00:15.3 PCI: 00:16.0 PCI: 00:16.0 resource base d1134000 size 1000 align 12 gran 12 limit d1134fff flags 60000201 index 10 PCI: 00:16.1 PCI: 00:16.2 PCI: 00:16.3 PCI: 00:16.4 PCI: 00:17.0 PCI: 00:19.0 PCI: 00:19.0 resource base fe034000 size 1000 align 12 gran 12 limit ffffffffffffffff flags c0000200 index 10 PCI: 00:19.0 resource base d1135000 size 1000 align 12 gran 12 limit d1135fff flags 60000201 index 18 PCI: 00:19.1 child on link 0 I2C: 03:39 PCI: 00:19.1 resource base d1136000 size 1000 align 12 gran 12 limit d1136fff flags 60000201 index 10 I2C: 03:39 I2C: 03:3a I2C: 03:1a PCI: 00:19.2 PCI: 00:1c.0 child on link 0 PCI: 01:00.0 PCI: 00:1c.0 resource base ef9f size 0 align 12 gran 12 limit ef9f flags 60080102 index 1c PCI: 00:1c.0 resource base dfffffff size 0 align 20 gran 20 limit dfffffff flags 60081202 index 24 PCI: 00:1c.0 resource base d1000000 size 100000 align 20 gran 20 limit d10fffff flags 60080202 index 20 PCI: 01:00.0 PCI: 01:00.0 resource base d1000000 size 2000 align 13 gran 13 limit d1001fff flags 60000201 index 10 PCI: 00:1c.1 PCI: 00:1c.2 PCI: 00:1c.3 PCI: 00:1c.4 PCI: 00:1c.5 PCI: 00:1c.6 PCI: 00:1c.7 PCI: 00:1d.0 PCI: 00:1d.1 PCI: 00:1d.2 PCI: 00:1d.3 PCI: 00:1e.0 PCI: 00:1e.0 resource base d1137000 size 1000 align 12 gran 12 limit d1137fff flags 60000201 index 10 PCI: 00:1e.1 PCI: 00:1e.2 child on link 0 SPI: 00 PCI: 00:1e.2 resource base d1138000 size 1000 align 12 gran 12 limit d1138fff flags 60000201 index 10 SPI: 00 PCI: 00:1e.3 PCI: 00:1e.4 PCI: 00:1e.4 resource base d1139000 size 1000 align 12 gran 12 limit d1139fff flags 60000201 index 10 PCI: 00:1e.5 PCI: 00:1e.6 PCI: 00:1e.6 resource base d113a000 size 1000 align 12 gran 12 limit d113afff flags 60000201 index 10 PCI: 00:1f.0 child on link 0 PNP: 0c09.0 PCI: 00:1f.0 resource base 0 size 1000 align 0 gran 0 limit 0 flags c0000100 index 0 PNP: 0c09.0 PNP: 0c09.0 resource base 800 size 1ff align 0 gran 0 limit 0 flags c0000100 index 0 PCI: 00:1f.1 PCI: 00:1f.2 PCI: 00:1f.2 resource base d1128000 size 4000 align 14 gran 14 limit d112bfff flags 60000200 index 10 PCI: 00:1f.2 resource base fe000000 size 10000 align 0 gran 0 limit 0 flags d0000200 index 48 PCI: 00:1f.2 resource base 1800 size 100 align 0 gran 0 limit 0 flags c0000100 index 40 PCI: 00:1f.3 PCI: 00:1f.3 resource base d112c000 size 4000 align 14 gran 14 limit d112ffff flags 60000201 index 10 PCI: 00:1f.3 resource base d1110000 size 10000 align 16 gran 16 limit d111ffff flags 60000201 index 20 PCI: 00:1f.4 PCI: 00:1f.4 resource base efa0 size 20 align 0 gran 0 limit efbf flags f0000100 index 20 PCI: 00:1f.4 resource base d113c000 size 100 align 12 gran 8 limit d113c0ff flags 60000201 index 10 PCI: 00:1f.5 PCI: 00:1f.5 resource base d113b000 size 1000 align 12 gran 12 limit d113bfff flags 60000200 index 10 PCI: 00:1f.6 Done allocating resources. BS: BS_DEV_RESOURCES times (us): entry 0 run 2113696 exit 31 Enabling resources... PCI: 00:00.0 subsystem <- 8086/590c PCI: 00:00.0 cmd <- 06 PCI: 00:02.0 subsystem <- 8086/591c PCI: 00:02.0 cmd <- 03 PCI: 00:04.0 cmd <- 02 PCI: 00:08.0 cmd <- 06 PCI: 00:14.0 subsystem <- 8086/9d2f PCI: 00:14.0 cmd <- 02 PCI: 00:14.2 subsystem <- 8086/9d31 PCI: 00:14.2 cmd <- 02 PCI: 00:15.0 subsystem <- 8086/9d60 PCI: 00:15.0 cmd <- 06 PCI: 00:15.1 subsystem <- 8086/9d61 PCI: 00:15.1 cmd <- 06 PCI: 00:16.0 subsystem <- 8086/9d3a PCI: 00:16.0 cmd <- 02 PCI: 00:19.0 subsystem <- 8086/9d66 PCI: 00:19.0 cmd <- 06 PCI: 00:19.1 subsystem <- 8086/9d65 PCI: 00:19.1 cmd <- 06 PCI: 00:1c.0 bridge ctrl <- 0003 PCI: 00:1c.0 subsystem <- 8086/9d10 PCI: 00:1c.0 cmd <- 06 PCI: 00:1e.0 subsystem <- 8086/9d27 PCI: 00:1e.0 cmd <- 06 PCI: 00:1e.2 subsystem <- 8086/9d29 PCI: 00:1e.2 cmd <- 06 PCI: 00:1e.4 subsystem <- 8086/9d2b PCI: 00:1e.4 cmd <- 06 PCI: 00:1e.6 subsystem <- 8086/9d2d PCI: 00:1e.6 cmd <- 06 PCI: 00:1f.0 subsystem <- 8086/9d4b PCI: 00:1f.0 cmd <- 407 PCI: 00:1f.2 subsystem <- 8086/9d21 PCI: 00:1f.2 cmd <- 02 PCI: 00:1f.3 subsystem <- 8086/9d71 PCI: 00:1f.3 cmd <- 02 PCI: 00:1f.4 subsystem <- 8086/9d23 PCI: 00:1f.4 cmd <- 03 PCI: 00:1f.5 subsystem <- 8086/9d24 PCI: 00:1f.5 cmd <- 406 PCI: 01:00.0 subsystem <- 8086/095a PCI: 01:00.0 cmd <- 02 done. ME: Version : 11.8.50.3470 BS: BS_DEV_ENABLE times (us): entry 229 run 139295 exit 19815 Initializing devices... Root Device init ... Chrome EC: Set SMI mask to 0x0000000000000001 Chrome EC: Set S5 LAZY WAKE mask to 0x0000000000000006 Chrome EC: Set S3 LAZY WAKE mask to 0x0000000010001006 Chrome EC: Set S0iX LAZY WAKE mask to 0x0000000010001006 Chrome EC: Set WAKE mask to 0x0000000000000000 Root Device init finished in 31689 usecs CPU_CLUSTER: 0 init ... CPU_CLUSTER: 0 init finished in 2443 usecs PCI: 00:00.0 init ... CPU TDP: 5 Watts CPU PL2 = 18 Watts PCI: 00:00.0 init finished in 6984 usecs PCI: 00:02.0 init ... PCI: 00:02.0 init finished in 2250 usecs PCI: 00:04.0 init ... PCI: 00:04.0 init finished in 2249 usecs PCI: 00:08.0 init ... PCI: 00:08.0 init finished in 2249 usecs PCI: 00:14.0 init ... PCI: 00:14.0 init finished in 2248 usecs PCI: 00:14.2 init ... PCI: 00:14.2 init finished in 2249 usecs PCI: 00:15.0 init ... DW I2C bus 0 at 0xd1132000 (400 KHz) PCI: 00:15.0 init finished in 5967 usecs PCI: 00:15.1 init ... DW I2C bus 1 at 0xd1133000 (400 KHz) PCI: 00:15.1 init finished in 5968 usecs PCI: 00:16.0 init ... PCI: 00:16.0 init finished in 2249 usecs PCI: 00:19.1 init ... DW I2C bus 5 at 0xd1136000 (400 KHz) PCI: 00:19.1 init finished in 5965 usecs PCI: 00:1c.0 init ... Initializing PCH PCIe bridge. PCI: 00:1c.0 init finished in 5277 usecs PCI: 00:1e.4 init ... PCI: 00:1e.4 init finished in 2248 usecs PCI: 00:1f.0 init ... IOAPIC: Initializing IOAPIC at 0xfec00000 IOAPIC: Bootstrap Processor Local APIC = 0x00 IOAPIC: ID = 0x02 IOAPIC: Dumping registers reg 0x0000: 0x02000000 reg 0x0001: 0x00770020 reg 0x0002: 0x00000000 PCI: 00:1f.0 init finished in 23480 usecs PCI: 00:1f.2 init ... RTC Init Set power on after power failure. Disabling ACPI via APMC: done. Disabling Deep S3 Disabling Deep S3 Enabling Deep S4 Enabling Deep S4 Enabling Deep S5 Enabling Deep S5 PCI: 00:1f.2 init finished in 23788 usecs PCI: 00:1f.4 init ... PCI: 00:1f.4 init finished in 2259 usecs PCI: 01:00.0 init ... PCI: 01:00.0 init finished in 2394 usecs PNP: 0c09.0 init ... Google Chrome EC: Hello got back 11223344 status (0) Google Chrome EC: version: ro: rammus_v2.0.387-f0df0fe2e rw: rammus_v2.0.425-6e0dd622e running image: 1 EC returned error result code 1 PNP: 0c09.0 init finished in 24462 usecs Devices initialized Show all devs... After init. Root Device: enabled 1 CPU_CLUSTER: 0: enabled 1 DOMAIN: 0000: enabled 1 APIC: 00: enabled 1 PCI: 00:00.0: enabled 1 PCI: 00:02.0: enabled 1 PCI: 00:14.0: enabled 1 PCI: 00:14.1: enabled 0 PCI: 00:14.2: enabled 1 PCI: 00:15.0: enabled 1 PCI: 00:15.1: enabled 1 PCI: 00:15.2: enabled 0 PCI: 00:15.3: enabled 0 PCI: 00:16.0: enabled 1 PCI: 00:16.1: enabled 0 PCI: 00:16.2: enabled 0 PCI: 00:16.3: enabled 0 PCI: 00:16.4: enabled 0 PCI: 00:17.0: enabled 0 PCI: 00:19.0: enabled 1 PCI: 00:19.1: enabled 1 PCI: 00:19.2: enabled 0 PCI: 00:1c.0: enabled 1 PCI: 00:1c.1: enabled 0 PCI: 00:1c.2: enabled 0 PCI: 00:1c.3: enabled 0 PCI: 00:1c.4: enabled 0 PCI: 00:1c.5: enabled 0 PCI: 00:1c.6: enabled 0 PCI: 00:1c.7: enabled 0 PCI: 00:1d.0: enabled 0 PCI: 00:1d.1: enabled 0 PCI: 00:1d.2: enabled 0 PCI: 00:1d.3: enabled 0 PCI: 00:1e.0: enabled 1 PCI: 00:1e.1: enabled 0 PCI: 00:1e.2: enabled 1 PCI: 00:1e.3: enabled 0 PCI: 00:1e.4: enabled 1 PCI: 00:1e.5: enabled 0 PCI: 00:1e.6: enabled 1 PCI: 00:1f.0: enabled 1 PCI: 00:1f.1: enabled 0 PCI: 00:1f.2: enabled 1 PCI: 00:1f.3: enabled 1 PCI: 00:1f.4: enabled 1 PCI: 00:1f.5: enabled 1 PCI: 00:1f.6: enabled 0 USB0 port 0: enabled 1 I2C: 01:5c: enabled 1 I2C: 02:15: enabled 1 I2C: 03:39: enabled 1 I2C: 03:3a: enabled 1 I2C: 03:1a: enabled 1 PCI: 01:00.0: enabled 1 SPI: 00: enabled 1 PNP: 0c09.0: enabled 1 USB2 port 0: enabled 1 USB2 port 1: enabled 1 USB2 port 2: enabled 1 USB2 port 4: enabled 1 USB2 port 8: enabled 1 APIC: 01: enabled 1 APIC: 03: enabled 1 APIC: 02: enabled 1 PCI: 00:04.0: enabled 1 PCI: 00:08.0: enabled 1 FMAP: area RW_ELOG found @ 9f0000 (16384 bytes) ELOG: NV offset 0x9f0000 size 0x4000 ELOG: area is 4096 bytes, full threshold 3842, shrink size 1024 ELOG: Event(17) added with size 13 at 2024-05-30 07:57:16 UTC ELOG: Event(92) added with size 9 at 2024-05-30 07:57:16 UTC ELOG: Event(AD) added with size 10 at 2024-05-30 07:57:16 UTC ELOG: Event(9F) added with size 14 at 2024-05-30 07:57:16 UTC BS: BS_DEV_INIT times (us): entry 0 run 417832 exit 42568 ELOG: Event(A1) added with size 10 at 2024-05-30 07:57:16 UTC elog_add_boot_reason: Logged recovery mode boot (Dev-switch on), reason: 0x02 ELOG: Event(A0) added with size 9 at 2024-05-30 07:57:16 UTC ELOG: Event(16) added with size 11 at 2024-05-30 07:57:16 UTC Erasing flash addr 9f0000 + 4 KiB elog_add_boot_reason: Logged dev mode boot Finalize devices... Devices finalized FMAP: area RW_NVRAM found @ 9fa000 (24576 bytes) BS: BS_POST_DEVICE times (us): entry 91931 run 3968 exit 5160 BS: BS_OS_RESUME_CHECK times (us): entry 0 run 55 exit 0 ELOG: Event(91) added with size 10 at 2024-05-30 07:57:16 UTC CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/dsdt.aml' CBFS: Found @ offset 19af40 size 4691 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/slic' CBFS: 'fallback/slic' not found. ACPI: Writing ACPI tables at 7aa9a000. ACPI: * FACS ACPI: * DSDT Ramoops buffer: 0x100000@0x7a999000. SGX: not enabled or not supported. skip gnvs fill ACPI: * FADT SCI is IRQ9 ACPI: added table 1/32, length now 40 ACPI: * SSDT Found 1 CPU(s) with 4 core(s) each. \_SB.PCI0.I2C0.H05C: SISC Touchscreen at I2C: 01:5c \_SB.PCI0.I2C1.D015: ELAN Touchpad at I2C: 02:15 \_SB.PCI0.I2C5.MAXR: Maxim MAX98927 Codec address 039h \_SB.PCI0.I2C5.MAXL: Maxim MAX98927 Codec address 03ah \_SB.PCI0.I2C5.DLG7: Dialog Semiconductor DA7219 Audio Codec address 01ah irq 105 Error: Could not locate 'wifi_sar' in VPD. Error: failed from getting SAR limits! \_SB.PCI0.RP01.WIFI: Intel WiFi PCI: 01:00.0 \_SB.PCI0.SPI0.S001: SPI Device at SPI: 00 \_SB.PCI0.XHCI.RHUB.HS01: USB Type C Port 1 at USB2 port 0 \_SB.PCI0.XHCI.RHUB.HS02: USB Type A Port 1 at USB2 port 1 \_SB.PCI0.XHCI.RHUB.HS03: Bluetooth at USB2 port 2 \_SB.PCI0.XHCI.RHUB.HS05: USB Type C Port 2 at USB2 port 4 \_SB.PCI0.XHCI.RHUB.HS09: Camera at USB2 port 8 ACPI: added table 2/32, length now 44 ACPI: * MCFG ACPI: added table 3/32, length now 48 ACPI: * TPM2 ACPI: added table 4/32, length now 52 ACPI: * MADT SCI is IRQ9 ACPI: added table 5/32, length now 56 current = 7aa9fa60 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'dmic-4ch-48khz-16b.bin' CBFS: Found @ offset 167000 size ba8 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'dmic-4ch-48khz-32b.bin' CBFS: Found @ offset 19f640 size ba8 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'dialog-2ch-48khz-24b.bin' CBFS: Found @ offset 167cc0 size 64 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'dialog-2ch-48khz-24b.bin' CBFS: Found @ offset 167cc0 size 64 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'max98927-render-2ch-48khz-24b.bin' CBFS: Found @ offset 167c00 size 64 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'max98927-render-2ch-48khz-16b.bin' CBFS: Found @ offset 103f00 size 64 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'max98927-render-2ch-48khz-16b.bin' CBFS: Found @ offset 103f00 size 64 ACPI: * NHLT ACPI: added table 6/32, length now 60 ACPI: * DMAR ACPI: added table 7/32, length now 64 ACPI: * IGD OpRegion GMA: Found VBT in CBFS GMA: Found valid VBT in CBFS current = 7aaa3610 ACPI: added table 8/32, length now 68 ACPI: * HPET ACPI: added table 9/32, length now 72 ACPI: done. ACPI tables: 38592 bytes. smbios_write_tables: 7a998000 Create SMBIOS type 17 PCI: 01:00.0 (Intel WiFi) SMBIOS tables: 662 bytes. Writing table forward entry at 0x00000500 Wrote coreboot table at: 00000500, 0x10 bytes, checksum a532 Writing coreboot table at 0x7aabe000 0. 0000000000000000-0000000000000fff: CONFIGURATION TABLES 1. 0000000000001000-000000000009ffff: RAM 2. 00000000000a0000-00000000000fffff: RESERVED 3. 0000000000100000-000000007a997fff: RAM 4. 000000007a998000-000000007ab05fff: CONFIGURATION TABLES 5. 000000007ab06000-000000007abcffff: RAMSTAGE 6. 000000007abd0000-000000007affffff: CONFIGURATION TABLES 7. 000000007b000000-000000007fffffff: RESERVED 8. 00000000e0000000-00000000e3ffffff: RESERVED 9. 00000000fe000000-00000000fe00ffff: RESERVED 10. 00000000fed10000-00000000fed19fff: RESERVED 11. 00000000fed80000-00000000fed84fff: RESERVED 12. 00000000fed90000-00000000fed91fff: RESERVED 13. 0000000100000000-000000017effffff: RAM Graphics framebuffer located at 0xc0000000 Passing 6 GPIOs to payload: NAME | PORT | POLARITY | VALUE write protect | undefined | high | low recovery | undefined | high | low lid | undefined | high | high power | undefined | high | low oprom | undefined | high | low EC in RW | 0x00000036 | high | low Board ID: 6 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) Wrote coreboot table at: 7aabe000, 0x5a4 bytes, checksum d22b coreboot table: 1468 bytes. IMD ROOT 0. 7afff000 00001000 IMD SMALL 1. 7affe000 00001000 FSP MEMORY 2. 7abfe000 00400000 CONSOLE 3. 7abde000 00020000 TIME STAMP 4. 7abdd000 00000910 VBOOT 5. 7abdc000 00000c0c MRC DATA 6. 7abda000 00001878 ROMSTG STCK 7. 7abd9000 00000400 AFTER CAR 8. 7abd0000 00009000 RAMSTAGE 9. 7ab05000 000cb000 REFCODE 10. 7aad6000 0002f000 SMM BACKUP 11. 7aac6000 00010000 COREBOOT 12. 7aabe000 00008000 ACPI 13. 7aa9a000 00024000 ACPI GNVS 14. 7aa99000 00001000 RAMOOPS 15. 7a999000 00100000 SMBIOS 16. 7a998000 00000800 IMD small region: IMD ROOT 0. 7affec00 00000400 FSP RUNTIME 1. 7affebe0 00000004 VBOOT SEL 2. 7affebc0 00000008 EC HOSTEVENT 3. 7affeba0 00000008 POWER STATE 4. 7affeb60 00000040 ROMSTAGE 5. 7affeb40 00000004 MEM INFO 6. 7affe980 000001a9 VPD 7. 7affe940 00000027 COREBOOTFWD 8. 7affe900 00000028 MTRR: Physical address space: 0x0000000000000000 - 0x00000000000a0000 size 0x000a0000 type 6 0x00000000000a0000 - 0x00000000000c0000 size 0x00020000 type 0 0x00000000000c0000 - 0x000000007b800000 size 0x7b740000 type 6 0x000000007b800000 - 0x00000000c0000000 size 0x44800000 type 0 0x00000000c0000000 - 0x00000000d0000000 size 0x10000000 type 1 0x00000000d0000000 - 0x0000000100000000 size 0x30000000 type 0 0x0000000100000000 - 0x000000017f000000 size 0x7f000000 type 6 MTRR: Fixed MSR 0x250 0x0606060606060606 MTRR: Fixed MSR 0x258 0x0606060606060606 MTRR: Fixed MSR 0x259 0x0000000000000000 MTRR: Fixed MSR 0x268 0x0606060606060606 MTRR: Fixed MSR 0x269 0x0606060606060606 MTRR: Fixed MSR 0x26a 0x0606060606060606 MTRR: Fixed MSR 0x26b 0x0606060606060606 MTRR: Fixed MSR 0x26c 0x0606060606060606 MTRR: Fixed MSR 0x26d 0x0606060606060606 MTRR: Fixed MSR 0x26e 0x0606060606060606 MTRR: Fixed MSR 0x26f 0x0606060606060606 call enable_fixed_mtrr() CPU physical address size: 39 bits MTRR: default type WB/UC MTRR counts: 6/5. MTRR: UC selected as default type. MTRR: 0 base 0x0000000000000000 mask 0x0000007f80000000 type 6 MTRR: 1 base 0x000000007b800000 mask 0x0000007fff800000 type 0 MTRR: 2 base 0x000000007c000000 mask 0x0000007ffc000000 type 0 MTRR: 3 base 0x00000000c0000000 mask 0x0000007ff0000000 type 1 MTRR: 4 base 0x0000000100000000 mask 0x0000007f80000000 type 6 MTRR check Fixed MTRRs : Enabled Variable MTRRs: Enabled MTRR: Fixed MSR 0x250 0x0606060606060606 MTRR: Fixed MSR 0x258 0x0606060606060606 MTRR: Fixed MSR 0x259 0x0000000000000000 MTRR: Fixed MSR 0x268 0x0606060606060606 MTRR: Fixed MSR 0x269 0x0606060606060606 MTRR: Fixed MSR 0x26a 0x0606060606060606 MTRR: Fixed MSR 0x26b 0x0606060606060606 MTRR: Fixed MSR 0x26c 0x0606060606060606 MTRR: Fixed MSR 0x26d 0x0606060606060606 MTRR: Fixed MSR 0x26e 0x0606060606060606 MTRR: Fixed MSR 0x26f 0x0606060606060606 BS: BS_WRITE_TABLES times (us): entry 6282 run 537363 exit 146811 call enable_fixed_mtrr() CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CPU physical address size: 39 bits CBFS: Locating 'fallback/payload' MTRR: Fixed MSR 0x250 0x0606060606060606 MTRR: Fixed MSR 0x250 0x0606060606060606 MTRR: Fixed MSR 0x258 0x0606060606060606 MTRR: Fixed MSR 0x259 0x0000000000000000 MTRR: Fixed MSR 0x268 0x0606060606060606 MTRR: Fixed MSR 0x269 0x0606060606060606 MTRR: Fixed MSR 0x26a 0x0606060606060606 MTRR: Fixed MSR 0x26b 0x0606060606060606 MTRR: Fixed MSR 0x26c 0x0606060606060606 MTRR: Fixed MSR 0x26d 0x0606060606060606 MTRR: Fixed MSR 0x26e 0x0606060606060606 MTRR: Fixed MSR 0x26f 0x0606060606060606 MTRR: Fixed MSR 0x258 0x0606060606060606 MTRR: Fixed MSR 0x259 0x0000000000000000 MTRR: Fixed MSR 0x268 0x0606060606060606 MTRR: Fixed MSR 0x269 0x0606060606060606 MTRR: Fixed MSR 0x26a 0x0606060606060606 MTRR: Fixed MSR 0x26b 0x0606060606060606 MTRR: Fixed MSR 0x26c 0x0606060606060606 MTRR: Fixed MSR 0x26d 0x0606060606060606 MTRR: Fixed MSR 0x26e 0x0606060606060606 MTRR: Fixed MSR 0x26f 0x0606060606060606 call enable_fixed_mtrr() call enable_fixed_mtrr() CBFS: Found @ offset 223040 size 360b4 CPU physical address size: 39 bits CPU physical address size: 39 bits Checking segment from ROM address 0xfff23078 Checking segment from ROM address 0xfff23094 Loading segment from ROM address 0xfff23078 code (compression=0) New segment dstaddr 0x30104020 memsize 0x64d8b0 srcaddr 0xfff230b0 filesize 0x3607c Loading Segment: addr: 0x30104020 memsz: 0x000000000064d8b0 filesz: 0x000000000003607c it's not compressed! [ 0x30104020, 3013a09c, 0x307518d0) <- fff230b0 Clearing Segment: addr: 0x000000003013a09c memsz: 0x0000000000617834 Loading segment from ROM address 0xfff23094 Entry Point 0x30104020 Loaded segments Finalizing chipset. ME: Host Firmware Status Register 1 : 0x90000245 ME: Host Firmware Status Register 2 : 0x60000306 ME: Host Firmware Status Register 3 : 0x00000020 ME: Host Firmware Status Register 4 : 0x00084000 ME: Host Firmware Status Register 5 : 0x00000000 ME: Host Firmware Status Register 6 : 0x40000002 ME: FW Partition Table : OK ME: Bringup Loader Failure : NO ME: Firmware Init Complete : YES ME: Manufacturing Mode : NO ME: Boot Options Present : NO ME: Update In Progress : NO ME: D3 Support : NO ME: D0i3 Support : YES ME: Low Power State Enabled : YES ME: CPU Replaced : NO ME: CPU Replacement Valid : YES ME: Current Working State : Normal ME: Current Operation State : M0 with UMA ME: Current Operation Mode : Normal ME: Error Code : No Error ME: Progress Phase : Host Communication ME: Power Management Event : Clean Moff->Mx wake ME: Progress Phase State : Host communication established ME: Power Down Mitigation : NO ME: FPF status : fused Clearing MCA. Finalizing SMM. BS: BS_PAYLOAD_LOAD times (us): entry 600 run 261839 exit 134599 mp_park_aps done after 0 msecs. Jumping to boot code at 30104020(7aabe000) CPU0: stack: 7ab46000 - 7ab47000, lowest used address 7ab46abc, stack used: 1348 bytes Starting depthcharge on rammus... WARNING: can't convert coreboot GPIOs, 'lid' won't be resampled at runtime! WARNING: can't convert coreboot GPIOs, 'power' won't be resampled at runtime! The GBB signature is at 0x30004020 and is: 24 47 42 42 [firmware-rammus-11275.B-collabora] Dec 11 2020 10:26:21 rammus:tftpboot 192.168.201.1 14090873/tftp-deploy-5b0bafi5/kernel/bzImage 14090873/tftp-deploy-5b0bafi5/kernel/cmdline 14090873/tftp-deploy-5b0bafi5/ramdisk/ramdisk.cpio.gz tftpboot 192.168.201.1 14090873/tftp-deploy-5b0bafi5/kernel/bzIploy-5b0bafi5/kernel/cmdline 14090873/tftp-deploy-5b0bafi5/ramdisk/ramdisk.cpio.gz Waiting for link R8152: Initializing Version 9 (ocp_data = 6010) R8152: Done initializing Adding net device done. MAC: 00:e0:4c:68:01:e7 Sending DHCP discover... done. Waiting for reply... done. Sending DHCP request... done. Waiting for reply... done. My ip is 192.168.201.11 The DHCP server ip is 192.168.201.1 TFTP server IP predefined by user: 192.168.201.1 Bootfile predefined by user: 14090873/tftp-deploy-5b0bafi5/kernel/bzImage Sending tftp read request... done. Waiting for the transfer... 00000000 ################################################################ 00080000 ################################################################ 00100000 ################################################################ 00180000 ################################################################ 00200000 ################################################################ 00280000 ################################################################ 00300000 ################################################################ 00380000 ################################################################ 00400000 ################################################################ 00480000 ################################################################ 00500000 ################################################################ 00580000 ################################################################ 00600000 ################################################################ 00680000 ################################################################ 00700000 ################################################################ 00780000 ################################################################ 00800000 ################################################################ 00880000 ################################################################ 00900000 ################################################################ 00980000 ################################################################ 00a00000 ################################################################ 00a80000 ################################################################ 00b00000 ################################################################ 00b80000 ################################################################ 00c00000 ################################################################ 00c80000 ################################################################ 00d00000 ################################################################ 00d80000 ################################################################ 00e00000 ################################################################ 00e80000 ################################################################ 00f00000 ################################################################ 00f80000 ################################################################ 01000000 ################################################################ 01080000 ################################################################ 01100000 ################################################################ 01180000 ################################################################ 01200000 ################################################################ 01280000 ################################################################ 01300000 ################################################################ 01380000 ################################################################ 01400000 ################################################################ 01480000 ################################################################ 01500000 ################################################################ 01580000 ####################################### done. The bootfile was 22859904 bytes long. Sending tftp read request... done. Waiting for the transfer... 00000000 ################################################################ 00080000 ################################################################ 00100000 ################################################################ 00180000 ################################################################ 00200000 ################################################################ 00280000 ################################################################ 00300000 ################################################################ 00380000 ################################################################ 00400000 ################################################################ 00480000 ################################################################ 00500000 ################################################################ 00580000 ################################################################ 00600000 ################################################################ 00680000 ################################################################ 00700000 ################################################################ 00780000 ################################################################ 00800000 ################################################################ 00880000 ################################################################ 00900000 ################################################################ 00980000 ################################################################ 00a00000 ################################################################ 00a80000 ################################################################ 00b00000 ################################################################ 00b80000 ################################################################ 00c00000 ####################################################### done. Sending tftp read request... done. Waiting for the transfer... 00000000 # done. Command line loaded dynamically from TFTP file: 14090873/tftp-deploy-5b0bafi5/kernel/cmdline The command line is: earlyprintk=uart8250,mmio32,0xde000000,115200n8 console_msg_format=syslog earlycon deferred_probe_timeout=60 console=ttyS0,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/14090873/extract-nfsrootfs-f6wrnvir,tcp,hard,v3 ip=dhcp tftpserverip=192.168.201.1 Shutting down all USB controllers. Removing current net device Finalizing coreboot Exiting depthcharge with code 4 at timestamp: 24303144 Starting kernel ... <5>[ 0.000000] Linux version 5.10.216-cip47 (KernelCI@build-j211139-x86-64-gcc-10-x86-64-defconfig-x86-board-vktzb) (gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2) #1 SMP Thu May 30 07:41:46 UTC 2024 <6>[ 0.000000] Command line: earlyprintk=uart8250,mmio32,0xde000000,115200n8 console_msg_format=syslog earlycon deferred_probe_timeout=60 console=ttyS0,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/14090873/extract-nfsrootfs-f6wrnvir,tcp,hard,v3 ip=dhcp tftpserverip=192.168.201.1 <6>[ 0.000000] BIOS-provided physical RAM map: <6>[ 0.000000] BIOS-e820: [mem 0x0000000000000000-0x0000000000000fff] type 16 <6>[ 0.000000] BIOS-e820: [mem 0x0000000000001000-0x000000000009ffff] usable <6>[ 0.000000] BIOS-e820: [mem 0x00000000000a0000-0x00000000000fffff] reserved <6>[ 0.000000] BIOS-e820: [mem 0x0000000000100000-0x000000007a997fff] usable <6>[ 0.000000] BIOS-e820: [mem 0x000000007a998000-0x000000007affffff] type 16 <6>[ 0.000000] BIOS-e820: [mem 0x000000007b000000-0x000000007fffffff] reserved <6>[ 0.000000] BIOS-e820: [mem 0x00000000e0000000-0x00000000e3ffffff] reserved <6>[ 0.000000] BIOS-e820: [mem 0x00000000fe000000-0x00000000fe00ffff] reserved <6>[ 0.000000] BIOS-e820: [mem 0x00000000fed10000-0x00000000fed19fff] reserved <6>[ 0.000000] BIOS-e820: [mem 0x00000000fed80000-0x00000000fed84fff] reserved <6>[ 0.000000] BIOS-e820: [mem 0x00000000fed90000-0x00000000fed91fff] reserved <6>[ 0.000000] BIOS-e820: [mem 0x0000000100000000-0x000000017effffff] usable <6>[ 0.000000] NX (Execute Disable) protection: active <6>[ 0.000000] SMBIOS 2.7 present. <6>[ 0.000000] DMI: Google Rammus/Rammus, BIOS 09/04/2020 <6>[ 0.000000] tsc: Detected 1600.000 MHz processor <6>[ 0.000000] tsc: Detected 1599.960 MHz TSC <6>[ 0.000073] last_pfn = 0x17f000 max_arch_pfn = 0x400000000 <6>[ 0.001415] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT <6>[ 0.007190] last_pfn = 0x7a998 max_arch_pfn = 0x400000000 <6>[ 0.026425] check: Scanning 1 areas for low memory corruption <6>[ 0.026440] Using GB pages for direct mapping <6>[ 0.027195] RAMDISK: [mem 0x37392000-0x37ffffff] <6>[ 0.027203] ACPI: Early table checksum verification disabled <6>[ 0.027211] ACPI: RSDP 0x00000000000F0000 000024 (v02 CORE ) <6>[ 0.027225] ACPI: XSDT 0x000000007AA9A0E0 00006C (v01 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.027241] ACPI: FACP 0x000000007AA9E970 0000F4 (v04 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.027257] ACPI: DSDT 0x000000007AA9A280 0046E3 (v05 COREv4 COREBOOT 20110725 INTL 20180531) <6>[ 0.027270] ACPI: FACS 0x000000007AA9A240 000040 <6>[ 0.027282] ACPI: FACS 0x000000007AA9A240 000040 <6>[ 0.027293] ACPI: SSDT 0x000000007AA9EA70 000EFA (v02 CORE COREBOOT 0000002A CORE 0000002A) <6>[ 0.027305] ACPI: MCFG 0x000000007AA9F970 00003C (v01 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.027317] ACPI: TPM2 0x000000007AA9F9B0 000040 (v04 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.027329] ACPI: APIC 0x000000007AA9F9F0 00006C (v02 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.027341] ACPI: NHLT 0x000000007AA9FA60 001B1C (v05 GOOGLE RAMMUS 00000000 CORE 00000000) <6>[ 0.027353] ACPI: DMAR 0x000000007AAA1580 000088 (v01 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.027365] ACPI: DBG2 0x000000007AAA3610 000061 (v00 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.027377] ACPI: HPET 0x000000007AAA3680 000038 (v01 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.027390] ACPI: Reserving FACP table memory at [mem 0x7aa9e970-0x7aa9ea63] <6>[ 0.027395] ACPI: Reserving DSDT table memory at [mem 0x7aa9a280-0x7aa9e962] <6>[ 0.027400] ACPI: Reserving FACS table memory at [mem 0x7aa9a240-0x7aa9a27f] <6>[ 0.027404] ACPI: Reserving FACS table memory at [mem 0x7aa9a240-0x7aa9a27f] <6>[ 0.027409] ACPI: Reserving SSDT table memory at [mem 0x7aa9ea70-0x7aa9f969] <6>[ 0.027414] ACPI: Reserving MCFG table memory at [mem 0x7aa9f970-0x7aa9f9ab] <6>[ 0.027418] ACPI: Reserving TPM2 table memory at [mem 0x7aa9f9b0-0x7aa9f9ef] <6>[ 0.027423] ACPI: Reserving APIC table memory at [mem 0x7aa9f9f0-0x7aa9fa5b] <6>[ 0.027428] ACPI: Reserving NHLT table memory at [mem 0x7aa9fa60-0x7aaa157b] <6>[ 0.027433] ACPI: Reserving DMAR table memory at [mem 0x7aaa1580-0x7aaa1607] <6>[ 0.027438] ACPI: Reserving DBG2 table memory at [mem 0x7aaa3610-0x7aaa3670] <6>[ 0.027442] ACPI: Reserving HPET table memory at [mem 0x7aaa3680-0x7aaa36b7] <6>[ 0.027582] No NUMA configuration found <6>[ 0.027587] Faking a node at [mem 0x0000000000000000-0x000000017effffff] <6>[ 0.027596] NODE_DATA(0) allocated [mem 0x17effa000-0x17effdfff] <6>[ 0.027642] Zone ranges: <6>[ 0.027647] DMA [mem 0x0000000000001000-0x0000000000ffffff] <6>[ 0.027655] DMA32 [mem 0x0000000001000000-0x00000000ffffffff] <6>[ 0.027662] Normal [mem 0x0000000100000000-0x000000017effffff] <6>[ 0.027669] Movable zone start for each node <6>[ 0.027674] Early memory node ranges <6>[ 0.027679] node 0: [mem 0x0000000000001000-0x000000000009ffff] <6>[ 0.027684] node 0: [mem 0x0000000000100000-0x000000007a997fff] <6>[ 0.027689] node 0: [mem 0x0000000100000000-0x000000017effffff] <6>[ 0.027695] Initmem setup node 0 [mem 0x0000000000001000-0x000000017effffff] <6>[ 0.027732] On node 0, zone DMA: 1 pages in unavailable ranges <6>[ 0.027798] On node 0, zone DMA: 96 pages in unavailable ranges <6>[ 0.044106] On node 0, zone Normal: 22120 pages in unavailable ranges <6>[ 0.045105] On node 0, zone Normal: 4096 pages in unavailable ranges <6>[ 0.045131] Reserving Intel graphics memory at [mem 0x7c000000-0x7fffffff] <6>[ 0.045494] ACPI: PM-Timer IO Port: 0x1808 <6>[ 0.045550] IOAPIC[0]: apic_id 2, version 32, address 0xfec00000, GSI 0-119 <6>[ 0.045564] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl) <6>[ 0.045570] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) <6>[ 0.045585] Using ACPI (MADT) for SMP configuration information <6>[ 0.045592] ACPI: HPET id: 0x8086a701 base: 0xfed00000 <6>[ 0.045600] TSC deadline timer available <6>[ 0.045605] smpboot: Allowing 4 CPUs, 0 hotplug CPUs <6>[ 0.045636] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] <6>[ 0.045642] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000fffff] <6>[ 0.045649] PM: hibernation: Registered nosave memory: [mem 0x7a998000-0x7affffff] <6>[ 0.045653] PM: hibernation: Registered nosave memory: [mem 0x7b000000-0x7fffffff] <6>[ 0.045658] PM: hibernation: Registered nosave memory: [mem 0x80000000-0xdfffffff] <6>[ 0.045662] PM: hibernation: Registered nosave memory: [mem 0xe0000000-0xe3ffffff] <6>[ 0.045666] PM: hibernation: Registered nosave memory: [mem 0xe4000000-0xfdffffff] <6>[ 0.045671] PM: hibernation: Registered nosave memory: [mem 0xfe000000-0xfe00ffff] <6>[ 0.045675] PM: hibernation: Registered nosave memory: [mem 0xfe010000-0xfed0ffff] <6>[ 0.045680] PM: hibernation: Registered nosave memory: [mem 0xfed10000-0xfed19fff] <6>[ 0.045684] PM: hibernation: Registered nosave memory: [mem 0xfed1a000-0xfed7ffff] <6>[ 0.045689] PM: hibernation: Registered nosave memory: [mem 0xfed80000-0xfed84fff] <6>[ 0.045693] PM: hibernation: Registered nosave memory: [mem 0xfed85000-0xfed8ffff] <6>[ 0.045698] PM: hibernation: Registered nosave memory: [mem 0xfed90000-0xfed91fff] <6>[ 0.045702] PM: hibernation: Registered nosave memory: [mem 0xfed92000-0xffffffff] <6>[ 0.045711] [mem 0x80000000-0xdfffffff] available for PCI devices <6>[ 0.045719] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1910969940391419 ns <6>[ 0.064552] setup_percpu: NR_CPUS:64 nr_cpumask_bits:64 nr_cpu_ids:4 nr_node_ids:1 <6>[ 0.064845] percpu: Embedded 59 pages/cpu s200848 r8192 d32624 u524288 <6>[ 0.064927] Built 1 zonelists, mobility grouping on. Total pages: 1006266 <6>[ 0.064932] Policy zone: Normal <5>[ 0.064947] Kernel command line: earlyprintk=uart8250,mmio32,0xde000000,115200n8 console_msg_format=syslog earlycon deferred_probe_timeout=60 console=ttyS0,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/14090873/extract-nfsrootfs-f6wrnvir,tcp,hard,v3 ip=dhcp tftpserverip=192.168.201.1 <6>[ 0.065579] Dentry cache hash table entries: 524288 (order: 10, 4194304 bytes, linear) <6>[ 0.065833] Inode-cache hash table entries: 262144 (order: 9, 2097152 bytes, linear) <6>[ 0.065928] mem auto-init: stack:off, heap alloc:off, heap free:off <6>[ 0.100943] Memory: 3859480K/4089052K available (22546K kernel code, 3715K rwdata, 24604K rodata, 2164K init, 13960K bss, 229312K reserved, 0K cma-reserved) <6>[ 0.101098] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1 <6>[ 0.101160] Kernel/User page tables isolation: enabled <6>[ 0.101293] ftrace: allocating 61815 entries in 242 pages <6>[ 0.172431] ftrace: allocated 242 pages with 5 groups <6>[ 0.172739] Running RCU self tests <6>[ 0.172754] rcu: Hierarchical RCU implementation. <6>[ 0.172759] rcu: RCU event tracing is enabled. <6>[ 0.172763] rcu: RCU lockdep checking is enabled. <6>[ 0.172768] rcu: RCU restricting CPUs from NR_CPUS=64 to nr_cpu_ids=4. <6>[ 0.172774] Rude variant of Tasks RCU enabled. <6>[ 0.172778] Tracing variant of Tasks RCU enabled. <6>[ 0.172783] rcu: RCU calculated value of scheduler-enlistment delay is 100 jiffies. <6>[ 0.172788] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=4 <6>[ 0.183247] NR_IRQS: 4352, nr_irqs: 1024, preallocated irqs: 16 <5>[ 0.183738] random: crng init done <6>[ 0.183857] Console: colour dummy device 80x25 <6>[ 0.257410] printk: console [ttyS0] enabled <4>[ 0.257801] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar <4>[ 0.258485] ... MAX_LOCKDEP_SUBCLASSES: 8 <4>[ 0.258867] ... MAX_LOCK_DEPTH: 48 <4>[ 0.259257] ... MAX_LOCKDEP_KEYS: 8192 <4>[ 0.259661] ... CLASSHASH_SIZE: 4096 <4>[ 0.260065] ... MAX_LOCKDEP_ENTRIES: 32768 <4>[ 0.260476] ... MAX_LOCKDEP_CHAINS: 65536 <4>[ 0.260887] ... CHAINHASH_SIZE: 32768 <4>[ 0.261298] memory used by lock dependency info: 6365 kB <4>[ 0.261788] memory used for stack traces: 4224 kB <4>[ 0.262228] per task-struct memory footprint: 1920 bytes <6>[ 0.262780] ACPI: Core revision 20200925 <6>[ 0.263373] hpet: HPET dysfunctional in PC10. Force disabled. <6>[ 0.263895] APIC: Switch to symmetric I/O mode setup <6>[ 0.268365] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x170fff30cc4, max_idle_ns: 440795237869 ns <6>[ 0.269309] Calibrating delay loop (skipped), value calculated using timer frequency.. 3199.92 BogoMIPS (lpj=1599960) <6>[ 0.270290] mce: CPU0: Thermal monitoring enabled (TM1) <6>[ 0.270290] process: using mwait in idle threads <6>[ 0.270290] Last level iTLB entries: 4KB 64, 2MB 8, 4MB 8 <6>[ 0.270290] Last level dTLB entries: 4KB 64, 2MB 0, 4MB 0, 1GB 4 <6>[ 0.270290] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization <6>[ 0.270290] Spectre V2 : Mitigation: IBRS <6>[ 0.270290] Spectre V2 : Spectre v2 / SpectreRSB mitigation: Filling RSB on context switch <6>[ 0.270290] Spectre V2 : Spectre v2 / SpectreRSB : Filling RSB on VMEXIT <6>[ 0.270290] RETBleed: Mitigation: IBRS <6>[ 0.270290] Spectre V2 : mitigation: Enabling conditional Indirect Branch Prediction Barrier <6>[ 0.270290] Spectre V2 : User space: Mitigation: STIBP via seccomp and prctl <6>[ 0.270290] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl and seccomp <6>[ 0.270290] MDS: Vulnerable: Clear CPU buffers attempted, no microcode <6>[ 0.270290] MMIO Stale Data: Vulnerable: Clear CPU buffers attempted, no microcode <6>[ 0.270290] SRBDS: Vulnerable: No microcode <6>[ 0.270290] GDS: Vulnerable: No microcode <6>[ 0.270290] x86/fpu: Supporting XSAVE feature 0x001: 'x87 floating point registers' <6>[ 0.270290] x86/fpu: Supporting XSAVE feature 0x002: 'SSE registers' <6>[ 0.270290] x86/fpu: Supporting XSAVE feature 0x004: 'AVX registers' <6>[ 0.270290] x86/fpu: Supporting XSAVE feature 0x008: 'MPX bounds registers' <6>[ 0.270290] x86/fpu: Supporting XSAVE feature 0x010: 'MPX CSR' <6>[ 0.270290] x86/fpu: xstate_offset[2]: 576, xstate_sizes[2]: 256 <6>[ 0.270290] x86/fpu: xstate_offset[3]: 832, xstate_sizes[3]: 64 <6>[ 0.270290] x86/fpu: xstate_offset[4]: 896, xstate_sizes[4]: 64 <6>[ 0.270290] x86/fpu: Enabled xstate features 0x1f, context size is 960 bytes, using 'compacted' format. <4>[ 0.270290] ------------[ cut here ]------------ <4>[ 0.270290] missing return thunk: lkdtm_rodata_do_nothing+0x0/0x10-lkdtm_rodata_do_nothing+0x5/0x10: e9 00 00 00 00 <4>[ 0.270290] WARNING: CPU: 0 PID: 0 at arch/x86/kernel/alternative.c:730 apply_returns+0x1c2/0x1e0 <4>[ 0.270290] Modules linked in: <4>[ 0.270290] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.10.216-cip47 #1 <4>[ 0.270290] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 0.270290] RIP: 0010:apply_returns+0x1c2/0x1e0 <4>[ 0.270290] Code: 80 3d a1 19 47 03 00 75 8b 49 89 e8 b9 05 00 00 00 4c 89 fa 48 89 ee 48 c7 c7 70 c3 7c b1 c6 05 83 19 47 03 01 e8 24 b9 15 01 <0f> 0b e9 63 ff ff ff e8 82 0f 1e 01 e9 a7 76 15 01 66 66 2e 0f 1f <4>[ 0.270290] RSP: 0000:ffffffffb1c03e30 EFLAGS: 00010286 <4>[ 0.270290] RAX: 0000000000000000 RBX: ffffffffb282c204 RCX: 0000000000000000 <4>[ 0.270290] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffffaeb78671 <4>[ 0.270290] RBP: ffffffffb1440b00 R08: 0000000000000001 R09: 0000000000000001 <4>[ 0.270290] R10: ffffffffb1c8ffc0 R11: 3fffffffffffffff R12: ffffffffb284522c <4>[ 0.270290] R13: ffffffffb1c03ea8 R14: 0000000000000005 R15: ffffffffb1440b05 <4>[ 0.270290] FS: 0000000000000000(0000) GS:ffff8ab27ac00000(0000) knlGS:0000000000000000 <4>[ 0.270290] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 0.270290] CR2: ffff8ab27efff000 CR3: 0000000034026001 CR4: 00000000003706f0 <4>[ 0.270290] Call Trace: <4>[ 0.270290] ? __warn+0x80/0x110 <4>[ 0.270290] ? apply_returns+0x1c2/0x1e0 <4>[ 0.270290] ? report_bug+0x9e/0xc0 <4>[ 0.270290] ? __warn_printk+0x6c/0x8d <4>[ 0.270290] ? handle_bug+0x41/0x90 <4>[ 0.270290] ? exc_invalid_op+0x14/0x70 <4>[ 0.270290] ? asm_exc_invalid_op+0x12/0x20 <4>[ 0.270290] ? console_unlock+0x4d1/0x5f0 <4>[ 0.270290] ? apply_returns+0x1c2/0x1e0 <4>[ 0.270290] alternative_instructions+0x7d/0x143 <4>[ 0.270290] arch_cpu_finalize_init+0x28/0x47 <4>[ 0.270290] start_kernel+0x4ad/0x557 <4>[ 0.270290] secondary_startup_64_no_verify+0xbe/0xcb <4>[ 0.270290] irq event stamp: 199413 <4>[ 0.270290] hardirqs last enabled at (199421): [] console_unlock+0x4d1/0x5f0 <4>[ 0.270290] hardirqs last disabled at (199428): [] console_unlock+0x444/0x5f0 <4>[ 0.270290] softirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 0.270290] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 0.270290] ---[ end trace 8025eed8b81a5aa8 ]--- <6>[ 0.270290] Freeing SMP alternatives memory: 48K <6>[ 0.270290] pid_max: default: 32768 minimum: 301 <6>[ 0.270290] LSM: Security Framework initializing <6>[ 0.270290] SELinux: Initializing. <6>[ 0.270290] LSM support for eBPF active <6>[ 0.270290] Mount-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) <6>[ 0.270290] Mountpoint-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) <6>[ 0.270290] smpboot: CPU0: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz (family: 0x6, model: 0x8e, stepping: 0x9) <6>[ 0.270967] Performance Events: PEBS fmt3+, Skylake events, 32-deep LBR, full-width counters, Intel PMU driver. <6>[ 0.271307] ... version: 4 <6>[ 0.271685] ... bit width: 48 <6>[ 0.272068] ... generic registers: 4 <6>[ 0.272296] ... value mask: 0000ffffffffffff <6>[ 0.272782] ... max period: 00007fffffffffff <6>[ 0.273265] ... fixed-purpose events: 3 <6>[ 0.273296] ... event mask: 000000070000000f <6>[ 0.274335] rcu: Hierarchical SRCU implementation. <6>[ 0.276985] smp: Bringing up secondary CPUs ... <6>[ 0.278040] x86: Booting SMP configuration: <6>[ 0.278345] .... node #0, CPUs: #1 <4>[ 0.279715] MDS CPU bug present and SMT on, data leak possible. See https://www.kernel.org/doc/html/latest/admin-guide/hw-vuln/mds.html for more details. <4>[ 0.281298] MMIO Stale Data CPU bug present and SMT on, data leak possible. See https://www.kernel.org/doc/html/latest/admin-guide/hw-vuln/processor_mmio_stale_data.html for more details. <4>[ 0.282978] #2 #3 <6>[ 0.285522] smp: Brought up 1 node, 4 CPUs <6>[ 0.286310] smpboot: Max logical packages: 1 <6>[ 0.286711] smpboot: Total of 4 processors activated (12799.68 BogoMIPS) <6>[ 0.291441] devtmpfs: initialized <6>[ 0.292041] x86/mm: Memory block size: 128MB <6>[ 0.296840] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1911260446275000 ns <6>[ 0.297311] futex hash table entries: 1024 (order: 5, 131072 bytes, linear) <6>[ 0.298482] pinctrl core: initialized pinctrl subsystem <6>[ 0.300178] PM: RTC time: 07:57:37, date: 2024-05-30 <6>[ 0.301017] NET: Registered protocol family 16 <6>[ 0.302207] audit: initializing netlink subsys (disabled) <5>[ 0.302356] audit: type=2000 audit(1717055856.033:1): state=initialized audit_enabled=0 res=1 <6>[ 0.302974] thermal_sys: Registered thermal governor 'step_wise' <6>[ 0.302981] thermal_sys: Registered thermal governor 'user_space' <6>[ 0.303418] cpuidle: using governor menu <6>[ 0.304592] ACPI: bus type PCI registered <6>[ 0.305405] PCI: MMCONFIG for domain 0000 [bus 00-3f] at [mem 0xe0000000-0xe3ffffff] (base 0xe0000000) <6>[ 0.306229] PCI: MMCONFIG at [mem 0xe0000000-0xe3ffffff] reserved in E820 <6>[ 0.307340] PCI: Using configuration type 1 for base access <6>[ 0.347246] Kprobes globally optimized <6>[ 0.347451] HugeTLB registered 1.00 GiB page size, pre-allocated 0 pages <6>[ 0.348300] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages <6>[ 0.349364] cryptomgr_test (38) used greatest stack depth: 14880 bytes left <6>[ 0.351717] ACPI: Added _OSI(Module Device) <6>[ 0.352113] ACPI: Added _OSI(Processor Device) <6>[ 0.353304] ACPI: Added _OSI(3.0 _SCP Extensions) <6>[ 0.353741] ACPI: Added _OSI(Processor Aggregator Device) <6>[ 0.354235] ACPI: Added _OSI(Linux-Dell-Video) <6>[ 0.354303] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio) <6>[ 0.354791] ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics) <6>[ 0.368354] ACPI: 2 ACPI AML tables successfully acquired and loaded <6>[ 0.377234] ACPI: EC: EC started <6>[ 0.377295] ACPI: EC: interrupt blocked <6>[ 0.378462] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62 <6>[ 0.378933] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC used to handle transactions <6>[ 0.379296] ACPI: Interpreter enabled <6>[ 0.379722] ACPI: (supports S0 S3 S4 S5) <6>[ 0.380094] ACPI: Using IOAPIC for interrupt routing <6>[ 0.381383] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug <6>[ 0.400425] ACPI: Power Resource [PRIC] (on) <6>[ 0.526775] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) <6>[ 0.527308] acpi PNP0A08:00: _OSC: OS supports [ExtendedConfig ASPM ClockPM Segments MSI HPX-Type3] <6>[ 0.528423] acpi PNP0A08:00: _OSC: OS now controls [PME PCIeCapability LTR] <6>[ 0.529124] acpi PNP0A08:00: [Firmware Info]: MMCONFIG for domain 0000 [bus 00-3f] only partially covers this bridge <6>[ 0.530975] PCI host bridge to bus 0000:00 <6>[ 0.531302] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] <6>[ 0.531913] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] <6>[ 0.532298] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] <6>[ 0.532965] pci_bus 0000:00: root bus resource [mem 0x000c0000-0x000c3fff window] <6>[ 0.534299] pci_bus 0000:00: root bus resource [mem 0x000c4000-0x000c7fff window] <6>[ 0.534966] pci_bus 0000:00: root bus resource [mem 0x000c8000-0x000cbfff window] <6>[ 0.535298] pci_bus 0000:00: root bus resource [mem 0x000cc000-0x000cffff window] <6>[ 0.535965] pci_bus 0000:00: root bus resource [mem 0x000d0000-0x000d3fff window] <6>[ 0.536298] pci_bus 0000:00: root bus resource [mem 0x000d4000-0x000d7fff window] <6>[ 0.536964] pci_bus 0000:00: root bus resource [mem 0x000d8000-0x000dbfff window] <6>[ 0.538298] pci_bus 0000:00: root bus resource [mem 0x000dc000-0x000dffff window] <6>[ 0.538964] pci_bus 0000:00: root bus resource [mem 0x000e0000-0x000e3fff window] <6>[ 0.539298] pci_bus 0000:00: root bus resource [mem 0x000e4000-0x000e7fff window] <6>[ 0.539964] pci_bus 0000:00: root bus resource [mem 0x000e8000-0x000ebfff window] <6>[ 0.540297] pci_bus 0000:00: root bus resource [mem 0x000ec000-0x000effff window] <6>[ 0.540964] pci_bus 0000:00: root bus resource [mem 0x000f0000-0x000fffff window] <6>[ 0.542299] pci_bus 0000:00: root bus resource [mem 0x80000001-0xdfffffff window] <6>[ 0.542966] pci_bus 0000:00: root bus resource [mem 0x800000000-0xbffffffff window] <6>[ 0.543298] pci_bus 0000:00: root bus resource [mem 0xfd000000-0xfe7fffff window] <6>[ 0.543965] pci_bus 0000:00: root bus resource [mem 0xfed40000-0xfed44fff window] <6>[ 0.544298] pci_bus 0000:00: root bus resource [bus 00-ff] <6>[ 0.544901] pci 0000:00:00.0: [8086:590c] type 00 class 0x060000 <6>[ 0.546464] pci 0000:00:02.0: [8086:591c] type 00 class 0x030000 <6>[ 0.547035] pci 0000:00:02.0: reg 0x10: [mem 0xd0000000-0xd0ffffff 64bit] <6>[ 0.548314] pci 0000:00:02.0: reg 0x18: [mem 0xc0000000-0xcfffffff 64bit pref] <6>[ 0.548968] pci 0000:00:02.0: reg 0x20: [io 0x1c00-0x1c3f] <6>[ 0.550000] pci 0000:00:04.0: [8086:1903] type 00 class 0x118000 <6>[ 0.550324] pci 0000:00:04.0: reg 0x10: [mem 0xd1120000-0xd1127fff 64bit] <6>[ 0.551781] pci 0000:00:08.0: [8086:1911] type 00 class 0x088000 <6>[ 0.552325] pci 0000:00:08.0: reg 0x10: [mem 0xd1130000-0xd1130fff 64bit] <6>[ 0.553663] pci 0000:00:14.0: [8086:9d2f] type 00 class 0x0c0330 <6>[ 0.554239] pci 0000:00:14.0: reg 0x10: [mem 0xd1100000-0xd110ffff 64bit] <6>[ 0.555459] pci 0000:00:14.0: PME# supported from D3hot D3cold <6>[ 0.556825] pci 0000:00:14.2: [8086:9d31] type 00 class 0x118000 <6>[ 0.557338] pci 0000:00:14.2: reg 0x10: [mem 0xd1131000-0xd1131fff 64bit] <6>[ 0.558685] pci 0000:00:15.0: [8086:9d60] type 00 class 0x118000 <6>[ 0.559269] pci 0000:00:15.0: reg 0x10: [mem 0xd1132000-0xd1132fff 64bit] <6>[ 0.560189] pci 0000:00:15.1: [8086:9d61] type 00 class 0x118000 <6>[ 0.561346] pci 0000:00:15.1: reg 0x10: [mem 0xd1133000-0xd1133fff 64bit] <6>[ 0.562868] pci 0000:00:19.0: [8086:9d66] type 00 class 0x118000 <6>[ 0.563345] pci 0000:00:19.0: reg 0x10: [mem 0xfe034000-0xfe034fff 64bit] <6>[ 0.563978] pci 0000:00:19.0: reg 0x18: [mem 0xd1135000-0xd1135fff 64bit] <6>[ 0.565151] pci 0000:00:19.1: [8086:9d65] type 00 class 0x118000 <6>[ 0.566345] pci 0000:00:19.1: reg 0x10: [mem 0xd1136000-0xd1136fff 64bit] <6>[ 0.567876] pci 0000:00:1c.0: [8086:9d10] type 01 class 0x060400 <6>[ 0.568511] pci 0000:00:1c.0: PME# supported from D0 D3hot D3cold <6>[ 0.569894] pci 0000:00:1e.0: [8086:9d27] type 00 class 0x118000 <6>[ 0.570345] pci 0000:00:1e.0: reg 0x10: [mem 0xd1137000-0xd1137fff 64bit] <6>[ 0.571846] pci 0000:00:1e.2: [8086:9d29] type 00 class 0x118000 <6>[ 0.572345] pci 0000:00:1e.2: reg 0x10: [mem 0xd1138000-0xd1138fff 64bit] <6>[ 0.573834] pci 0000:00:1e.4: [8086:9d2b] type 00 class 0x080501 <6>[ 0.574339] pci 0000:00:1e.4: reg 0x10: [mem 0xd1139000-0xd1139fff 64bit] <6>[ 0.575946] pci 0000:00:1e.6: [8086:9d2d] type 00 class 0x080501 <6>[ 0.576340] pci 0000:00:1e.6: reg 0x10: [mem 0xd113a000-0xd113afff 64bit] <6>[ 0.577800] pci 0000:00:1f.0: [8086:9d4b] type 00 class 0x060100 <6>[ 0.579147] pci 0000:00:1f.2: [8086:9d21] type 00 class 0x058000 <6>[ 0.580332] pci 0000:00:1f.2: reg 0x10: [mem 0xd1128000-0xd112bfff] <6>[ 0.581718] pci 0000:00:1f.3: [8086:9d71] type 00 class 0x040100 <6>[ 0.582304] pci 0000:00:1f.3: reg 0x10: [mem 0xd112c000-0xd112ffff 64bit] <6>[ 0.582966] pci 0000:00:1f.3: reg 0x20: [mem 0xd1110000-0xd111ffff 64bit] <6>[ 0.583413] pci 0000:00:1f.3: PME# supported from D3hot D3cold <6>[ 0.584760] pci 0000:00:1f.4: [8086:9d23] type 00 class 0x0c0500 <6>[ 0.585363] pci 0000:00:1f.4: reg 0x10: [mem 0xd113c000-0xd113c0ff 64bit] <6>[ 0.586042] pci 0000:00:1f.4: reg 0x20: [io 0xefa0-0xefbf] <6>[ 0.587105] pci 0000:00:1f.5: [8086:9d24] type 00 class 0x000000 <6>[ 0.587333] pci 0000:00:1f.5: reg 0x10: [mem 0xfe010000-0xfe010fff] <6>[ 0.589059] pci 0000:01:00.0: [8086:095a] type 00 class 0x028000 <6>[ 0.590594] pci 0000:01:00.0: reg 0x10: [mem 0xd1000000-0xd1001fff 64bit] <6>[ 0.592787] pci 0000:01:00.0: PME# supported from D0 D3hot D3cold <6>[ 0.595355] pci 0000:00:1c.0: PCI bridge to [bus 01] <6>[ 0.595824] pci 0000:00:1c.0: bridge window [mem 0xd1000000-0xd10fffff] <6>[ 0.597762] ACPI: PCI Interrupt Link [LNKA] (IRQs 3 4 5 6 10 12 14 15) *11 <6>[ 0.598594] ACPI: PCI Interrupt Link [LNKB] (IRQs 3 4 5 6 *10 12 14 15) <6>[ 0.599513] ACPI: PCI Interrupt Link [LNKC] (IRQs 3 4 5 6 10 12 14 15) *11 <6>[ 0.600457] ACPI: PCI Interrupt Link [LNKD] (IRQs 3 4 5 6 10 12 14 15) *11 <6>[ 0.601402] ACPI: PCI Interrupt Link [LNKE] (IRQs 3 4 5 6 10 12 14 15) *11 <6>[ 0.602343] ACPI: PCI Interrupt Link [LNKF] (IRQs 3 4 5 6 10 12 14 15) *11 <6>[ 0.603285] ACPI: PCI Interrupt Link [LNKG] (IRQs 3 4 5 6 10 12 14 15) *11 <6>[ 0.604225] ACPI: PCI Interrupt Link [LNKH] (IRQs 3 4 5 6 10 12 14 15) *11 <6>[ 0.612160] ACPI: EC: interrupt unblocked <6>[ 0.612296] ACPI: EC: event unblocked <6>[ 0.612656] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62 <6>[ 0.613127] ACPI: EC: GPE=0x6e <6>[ 0.613300] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC initialization complete <6>[ 0.613932] ACPI: \_SB_.PCI0.LPCB.EC0_: EC: Used to handle transactions and events <6>[ 0.615350] iommu: Default domain type: Translated <6>[ 0.616412] pci 0000:00:02.0: vgaarb: setting as boot VGA device <6>[ 0.616936] pci 0000:00:02.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none <6>[ 0.617331] pci 0000:00:02.0: vgaarb: bridge control possible <6>[ 0.617854] vgaarb: loaded <5>[ 0.618767] SCSI subsystem initialized <6>[ 0.619512] ACPI: bus type USB registered <6>[ 0.620036] usbcore: registered new interface driver usbfs <6>[ 0.620364] usbcore: registered new interface driver hub <6>[ 0.620890] usbcore: registered new device driver usb <6>[ 0.621429] mc: Linux media interface: v0.10 <6>[ 0.621861] videodev: Linux video capture interface: v2.00 <6>[ 0.622335] pps_core: LinuxPPS API ver. 1 registered <6>[ 0.622792] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <6>[ 0.624311] PTP clock support registered <6>[ 0.625328] Advanced Linux Sound Architecture Driver Initialized. <6>[ 0.626999] NetLabel: Initializing <6>[ 0.627297] NetLabel: domain hash size = 128 <6>[ 0.627704] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO <6>[ 0.628303] NetLabel: unlabeled traffic allowed by default <6>[ 0.628905] PCI: Using ACPI for IRQ routing <6>[ 0.637293] clocksource: Switched to clocksource tsc-early <5>[ 1.106485] VFS: Disk quotas dquot_6.6.0 <6>[ 1.106949] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) <6>[ 1.108042] pnp: PnP ACPI init <6>[ 1.109225] system 00:00: [mem 0xfed10000-0xfed17fff] has been reserved <6>[ 1.109849] system 00:00: [mem 0xfed18000-0xfed18fff] has been reserved <6>[ 1.110449] system 00:00: [mem 0xfed19000-0xfed19fff] has been reserved <6>[ 1.111063] system 00:00: [mem 0xe0000000-0xe3ffffff] has been reserved <6>[ 1.111677] system 00:00: [mem 0xfed20000-0xfed3ffff] has been reserved <6>[ 1.112277] system 00:00: [mem 0xfed90000-0xfed93fff] could not be reserved <6>[ 1.112920] system 00:00: [mem 0xfed45000-0xfed8ffff] could not be reserved <6>[ 1.113546] system 00:00: [mem 0xff000000-0xffffffff] has been reserved <6>[ 1.114159] system 00:00: [mem 0xfee00000-0xfeefffff] has been reserved <6>[ 1.114773] system 00:00: [mem 0xfed00000-0xfed003ff] has been reserved <6>[ 1.116349] system 00:01: [io 0x1800-0x18fe] has been reserved <6>[ 1.117318] system 00:03: [io 0x0900-0x09fe] has been reserved <6>[ 1.118146] system 00:04: [io 0x0200] has been reserved <6>[ 1.118655] system 00:04: [io 0x0204] has been reserved <6>[ 1.119146] system 00:04: [io 0x0800-0x087f] has been reserved <6>[ 1.119702] system 00:04: [io 0x0880-0x08ff] has been reserved <6>[ 1.122849] pnp: PnP ACPI: found 6 devices <6>[ 1.138939] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns <6>[ 1.139867] NET: Registered protocol family 2 <6>[ 1.140468] IP idents hash table entries: 65536 (order: 7, 524288 bytes, linear) <6>[ 1.143025] tcp_listen_portaddr_hash hash table entries: 2048 (order: 5, 163840 bytes, linear) <6>[ 1.144075] TCP established hash table entries: 32768 (order: 6, 262144 bytes, linear) <6>[ 1.145014] TCP bind hash table entries: 32768 (order: 9, 2359296 bytes, linear) <6>[ 1.147952] TCP: Hash tables configured (established 32768 bind 32768) <6>[ 1.148922] MPTCP token hash table entries: 4096 (order: 6, 360448 bytes, linear) <6>[ 1.149937] UDP hash table entries: 2048 (order: 6, 327680 bytes, linear) <6>[ 1.150862] UDP-Lite hash table entries: 2048 (order: 6, 327680 bytes, linear) <6>[ 1.151972] NET: Registered protocol family 1 <6>[ 1.153129] RPC: Registered named UNIX socket transport module. <6>[ 1.153718] RPC: Registered udp transport module. <6>[ 1.154156] RPC: Registered tcp transport module. <6>[ 1.154591] RPC: Registered tcp NFSv4.1 backchannel transport module. <6>[ 1.155851] NET: Registered protocol family 44 <6>[ 1.156289] pci 0000:00:1c.0: PCI bridge to [bus 01] <6>[ 1.156785] pci 0000:00:1c.0: bridge window [mem 0xd1000000-0xd10fffff] <6>[ 1.157408] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7 window] <6>[ 1.157977] pci_bus 0000:00: resource 5 [io 0x0d00-0xffff window] <6>[ 1.158536] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window] <6>[ 1.159232] pci_bus 0000:00: resource 7 [mem 0x000c0000-0x000c3fff window] <6>[ 1.159864] pci_bus 0000:00: resource 8 [mem 0x000c4000-0x000c7fff window] <6>[ 1.160482] pci_bus 0000:00: resource 9 [mem 0x000c8000-0x000cbfff window] <6>[ 1.161111] pci_bus 0000:00: resource 10 [mem 0x000cc000-0x000cffff window] <6>[ 1.161750] pci_bus 0000:00: resource 11 [mem 0x000d0000-0x000d3fff window] <6>[ 1.162375] pci_bus 0000:00: resource 12 [mem 0x000d4000-0x000d7fff window] <6>[ 1.163010] pci_bus 0000:00: resource 13 [mem 0x000d8000-0x000dbfff window] <6>[ 1.163698] pci_bus 0000:00: resource 14 [mem 0x000dc000-0x000dffff window] <6>[ 1.164322] pci_bus 0000:00: resource 15 [mem 0x000e0000-0x000e3fff window] <6>[ 1.164958] pci_bus 0000:00: resource 16 [mem 0x000e4000-0x000e7fff window] <6>[ 1.165583] pci_bus 0000:00: resource 17 [mem 0x000e8000-0x000ebfff window] <6>[ 1.166218] pci_bus 0000:00: resource 18 [mem 0x000ec000-0x000effff window] <6>[ 1.166857] pci_bus 0000:00: resource 19 [mem 0x000f0000-0x000fffff window] <6>[ 1.167483] pci_bus 0000:00: resource 20 [mem 0x80000001-0xdfffffff window] <6>[ 1.168118] pci_bus 0000:00: resource 21 [mem 0x800000000-0xbffffffff window] <6>[ 1.168771] pci_bus 0000:00: resource 22 [mem 0xfd000000-0xfe7fffff window] <6>[ 1.169397] pci_bus 0000:00: resource 23 [mem 0xfed40000-0xfed44fff window] <6>[ 1.170032] pci_bus 0000:01: resource 1 [mem 0xd1000000-0xd10fffff] <6>[ 1.171105] pci 0000:00:02.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff] <6>[ 1.174062] PCI: CLS 64 bytes, default 64 <6>[ 1.174869] Unpacking initramfs... <6>[ 1.745876] Freeing initrd memory: 12728K <6>[ 1.746339] DMAR: Host address width 39 <6>[ 1.746755] DMAR: DRHD base: 0x000000fed90000 flags: 0x0 <6>[ 1.747313] DMAR: dmar0: reg_base_addr fed90000 ver 1:0 cap 1c0000c40660462 ecap 19e2ff0505e <6>[ 1.748072] DMAR: RMRR base: 0x0000007b800000 end: 0x0000007fffffff <6>[ 1.748651] DMAR: DRHD base: 0x000000fed91000 flags: 0x1 <6>[ 1.749155] DMAR: dmar1: reg_base_addr fed91000 ver 1:0 cap d2008c40660462 ecap f050da <6>[ 1.749976] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) <6>[ 1.750559] software IO TLB: mapped [mem 0x0000000076998000-0x000000007a998000] (64MB) <6>[ 1.751525] RAPL PMU: API unit is 2^-32 Joules, 5 fixed counters, 655360 ms ovfl timer <6>[ 1.752255] RAPL PMU: hw unit of domain pp0-core 2^-14 Joules <6>[ 1.752818] RAPL PMU: hw unit of domain package 2^-14 Joules <6>[ 1.753333] RAPL PMU: hw unit of domain dram 2^-14 Joules <6>[ 1.753835] RAPL PMU: hw unit of domain pp1-gpu 2^-14 Joules <6>[ 1.754349] RAPL PMU: hw unit of domain psys 2^-14 Joules <3>[ 1.756819] kvm: already loaded the other module <6>[ 1.770469] check: Scanning for low memory corruption every 60 seconds <5>[ 1.774530] Initialise system trusted keyrings <6>[ 1.775246] workingset: timestamp_bits=56 max_order=20 bucket_order=0 <5>[ 1.796771] NFS: Registering the id_resolver key type <5>[ 1.797285] Key type id_resolver registered <5>[ 1.797723] Key type id_legacy registered <5>[ 1.820737] Key type asymmetric registered <5>[ 1.821155] Asymmetric key parser 'x509' registered <6>[ 1.821682] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 248) <6>[ 1.822363] io scheduler mq-deadline registered <6>[ 1.822802] io scheduler kyber registered <4>[ 1.823439] test_firmware: interface ready <6>[ 1.825484] pcieport 0000:00:1c.0: PME: Signaling with IRQ 120 <6>[ 1.827449] ACPI: AC Adapter [AC] (on-line) <6>[ 1.828281] input: Lid Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:03/PNP0C09:00/PNP0C0D:00/input/input0 <6>[ 1.830195] ACPI: Lid Switch [LID0] <6>[ 1.830840] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input1 <6>[ 1.831822] ACPI: Power Button [PWRF] <6>[ 1.832550] ACPI: \_PR_.CP00: Found 3 idle states <6>[ 1.833891] ACPI: \_PR_.CP01: Found 3 idle states <6>[ 1.834973] ACPI: \_PR_.CP02: Found 3 idle states <6>[ 1.836039] ACPI: \_PR_.CP03: Found 3 idle states <6>[ 1.837755] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled <4>[ 1.841586] hpet_acpi_add: no address or irqs in _CRS <6>[ 1.842277] battery: ACPI: Battery Slot [BAT0] (battery present) <6>[ 1.842423] Non-volatile memory driver v1.3 <6>[ 1.843454] Linux agpgart interface v0.103 <6>[ 1.844240] ACPI: bus type drm_connector registered <6>[ 1.844873] [drm] amdgpu kernel modesetting enabled. <6>[ 1.848133] i915 0000:00:02.0: vgaarb: deactivate vga console <6>[ 1.900930] i915 0000:00:02.0: vgaarb: changed VGA decodes: olddecodes=io+mem,decodes=io+mem:owns=io+mem <6>[ 1.902752] i915 0000:00:02.0: [drm] Finished loading DMC firmware i915/kbl_dmc_ver1_04.bin (v1.4) <6>[ 1.926892] [drm] Initialized i915 1.6.0 20200917 for 0000:00:02.0 on minor 0 <6>[ 1.930697] [drm] Initialized vgem 1.0.0 20120112 for vgem on minor 1 <6>[ 1.946807] loop: module loaded <6>[ 1.947996] lkdtm: No crash points registered, enable through debugfs <6>[ 1.973769] printk: console [ttyS0] disabled <6>[ 1.974532] dw-apb-uart.2: ttyS0 at MMIO 0xfe034000 (irq = 32, base_baud = 115200) is a 16550A <6>[ 2.796855] tsc: Refined TSC clocksource calibration: 1607.999 MHz <6>[ 2.811310] printk: console [ttyS0] enabled <6>[ 2.820464] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x172da94f0e2, max_idle_ns: 440795278248 ns <6>[ 2.841483] dw-apb-uart.4: ttyS1 at MMIO 0xd1137000 (irq = 20, base_baud = 115200) is a 16550A <6>[ 5.608592] clocksource: Switched to clocksource tsc <6>[ 5.608762] fbcon: i915drmfb (fb0) is primary device <4>[ 5.610919] pxa2xx-spi pxa2xx-spi.5: no DMA channels available, using PIO <6>[ 5.619412] e100: Intel(R) PRO/100 Network Driver <6>[ 5.619416] e100: Copyright(c) 1999-2006 Intel Corporation <6>[ 5.619480] e1000: Intel(R) PRO/1000 Network Driver <6>[ 5.619483] e1000: Copyright (c) 1999-2006 Intel Corporation. <6>[ 5.619566] e1000e: Intel(R) PRO/1000 Network Driver <6>[ 5.619568] e1000e: Copyright(c) 1999 - 2015 Intel Corporation. <6>[ 5.619675] sky2: driver version 1.30 <6>[ 5.619998] usbcore: registered new interface driver r8152 <6>[ 5.620049] usbcore: registered new interface driver asix <6>[ 5.620087] usbcore: registered new interface driver ax88179_178a <6>[ 5.620126] usbcore: registered new interface driver cdc_ether <6>[ 5.620163] usbcore: registered new interface driver net1080 <6>[ 5.620200] usbcore: registered new interface driver cdc_subset <6>[ 5.620237] usbcore: registered new interface driver zaurus <6>[ 5.620302] usbcore: registered new interface driver cdc_ncm <6>[ 5.620957] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver <6>[ 5.621003] ehci-pci: EHCI PCI platform driver <6>[ 5.621094] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver <6>[ 5.621120] ohci-pci: OHCI PCI platform driver <6>[ 5.621201] uhci_hcd: USB Universal Host Controller Interface driver <6>[ 5.622435] tpm_tis_spi spi-PRP0001:00: TPM ready IRQ confirmed on attempt 2 <6>[ 5.622970] xhci_hcd 0000:00:14.0: xHCI Host Controller <6>[ 5.624120] xhci_hcd 0000:00:14.0: new USB bus registered, assigned bus number 1 <6>[ 5.625541] xhci_hcd 0000:00:14.0: hcc params 0x200077c1 hci version 0x100 quirks 0x0000000081109810 <6>[ 5.625640] xhci_hcd 0000:00:14.0: cache line size of 64 is not supported <6>[ 5.627820] xhci_hcd 0000:00:14.0: xHCI Host Controller <6>[ 5.628343] xhci_hcd 0000:00:14.0: new USB bus registered, assigned bus number 2 <6>[ 5.628360] xhci_hcd 0000:00:14.0: Host supports USB 3.0 SuperSpeed <6>[ 5.629033] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.10 <6>[ 5.629064] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1 <6>[ 5.629070] usb usb1: Product: xHCI Host Controller <6>[ 5.629075] usb usb1: Manufacturer: Linux 5.10.216-cip47 xhci-hcd <6>[ 5.629079] usb usb1: SerialNumber: 0000:00:14.0 <6>[ 5.631012] hub 1-0:1.0: USB hub found <6>[ 5.631192] hub 1-0:1.0: 12 ports detected <6>[ 5.635920] usb usb2: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.10 <6>[ 5.635925] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1 <6>[ 5.635928] usb usb2: Product: xHCI Host Controller <6>[ 5.635932] usb usb2: Manufacturer: Linux 5.10.216-cip47 xhci-hcd <6>[ 5.635935] usb usb2: SerialNumber: 0000:00:14.0 <6>[ 5.636998] hub 2-0:1.0: USB hub found <6>[ 5.637190] hub 2-0:1.0: 6 ports detected <6>[ 5.639138] usbcore: registered new interface driver usblp <6>[ 5.639209] usbcore: registered new interface driver usb-storage <6>[ 5.639851] udc-core: couldn't find an available UDC - added [g_ether] to list of pending drivers <6>[ 5.640066] i8042: PNP: PS/2 Controller [PNP0303:PS2K] at 0x60,0x64 irq 1 <4>[ 5.640087] i8042: PNP: PS/2 appears to have AUX port disabled, if this is incorrect please boot with i8042.nopnp <4>[ 5.640936] i8042: Warning: Keylock active <6>[ 5.641231] serio: i8042 KBD port at 0x60,0x64 irq 1 <6>[ 5.643713] rtc_cmos 00:02: RTC can wake from S4 <6>[ 5.646434] rtc_cmos 00:02: registered as rtc0 <6>[ 5.646795] rtc_cmos 00:02: alarms up to one month, 242 bytes nvram <6>[ 5.647036] input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input2 <6>[ 5.647631] Console: switching to colour frame buffer device 240x67 <6>[ 5.648079] i801_smbus 0000:00:1f.4: SPD Write Disable is set <6>[ 5.648131] i801_smbus 0000:00:1f.4: SMBus using PCI interrupt <6>[ 5.649266] i2c i2c-9: 2/2 memory slots populated (from DMI) <6>[ 5.650911] device-mapper: ioctl: 4.43.0-ioctl (2020-10-01) initialised: dm-devel@redhat.com <6>[ 5.650954] intel_pstate: Intel P-state driver initializing <6>[ 5.651785] intel_pstate: HWP enabled <6>[ 5.651818] sdhci: Secure Digital Host Controller Interface driver <6>[ 5.651818] sdhci: Copyright(c) Pierre Ossman <6>[ 5.651846] sdhci-pci 0000:00:1e.4: SDHCI controller found [8086:9d2b] (rev 21) <6>[ 5.652767] mmc0: SDHCI controller on PCI [0000:00:1e.4] using ADMA 64-bit <6>[ 5.653016] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 5.654192] hid: raw HID events driver (C) Jiri Kosina <6>[ 5.654687] usbcore: registered new interface driver usbhid <6>[ 5.654688] usbhid: USB HID core driver <6>[ 5.655043] input: Tablet Mode Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:03/PNP0C09:00/GOOG0006:00/input/input3 <6>[ 5.659879] cros_ec_lpcs GOOG0004:00: Chrome EC device registered <6>[ 5.663083] i915 0000:00:02.0: [drm] fb0: i915drmfb frame buffer device <6>[ 5.669614] snd_hda_intel 0000:00:1f.3: DSP detected with PCI class/subclass/prog-if info 0x040100 <6>[ 6.186064] tpm_tis_spi spi-PRP0001:00: 2.0 TPM (device-id 0x28, rev-id 0) <6>[ 6.186719] netem: version 1.3 <6>[ 6.197952] ipip: IPv4 and MPLS over IPv4 tunneling driver <6>[ 6.204662] IPv4 over IPsec tunneling driver <6>[ 6.209980] Initializing XFRM netlink socket <6>[ 6.215389] NET: Registered protocol family 10 <6>[ 6.221417] Segment Routing with IPv6 <6>[ 6.226460] NET: Registered protocol family 17 <6>[ 6.231851] 8021q: 802.1Q VLAN Support v1.8 <5>[ 6.236856] Key type dns_resolver registered <6>[ 6.244886] microcode: sig=0x806e9, pf=0x10, revision=0x98 <6>[ 6.251398] microcode: Microcode Update Driver: v2.2. <6>[ 6.251406] IPI shorthand broadcast: enabled <6>[ 6.262448] sched_clock: Marking stable (6176806585, 85596905)->(6383582732, -121179242) <6>[ 6.271954] registered taskstats version 1 <5>[ 6.276840] Loading compiled-in X.509 certificates <6>[ 6.284407] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 6.285992] tpm_tis_spi spi-PRP0001:00: Cr50 firmware version: B2-C:0 RO_B:0.0.11/4d655eab RW_B:0.5.153/cr50_v2.94_mp.151-b967c <6>[ 6.294681] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 6.314633] usb 1-3: new full-speed USB device number 2 using xhci_hcd <6>[ 6.323567] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 6.333001] PM: Magic number: 8:432:977 <6>[ 6.337931] printk: console [netcon0] enabled <6>[ 6.343098] netconsole: network logging started <6>[ 6.363111] mmc0: new HS400 MMC card at address 0001 <6>[ 6.369563] mmcblk0: mmc0:0001 DA4064 58.2 GiB <6>[ 6.375046] mmcblk0boot0: mmc0:0001 DA4064 partition 1 4.00 MiB <6>[ 6.382038] mmcblk0boot1: mmc0:0001 DA4064 partition 2 4.00 MiB <6>[ 6.389129] mmcblk0rpmb: mmc0:0001 DA4064 partition 3 16.0 MiB, chardev (245:0) <6>[ 6.408679] mmcblk0: p1 p2 p3 p4 p5 p6 p7 p8 p9 p10 p11 p12 <6>[ 6.417798] snd_hda_intel 0000:00:1f.3: bound 0000:00:02.0 (ops i915_audio_component_bind_ops) <6>[ 6.421064] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <3>[ 6.444596] snd_hda_intel 0000:00:1f.3: Cannot probe codecs, giving up <6>[ 6.456261] usb 1-3: New USB device found, idVendor=8087, idProduct=0a2a, bcdDevice= 0.03 <6>[ 6.465762] usb 1-3: New USB device strings: Mfr=0, Product=0, SerialNumber=0 <6>[ 6.477678] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 6.568860] usb 2-3: new SuperSpeed Gen 1 USB device number 2 using xhci_hcd <6>[ 6.590816] usb 2-3: New USB device found, idVendor=0bda, idProduct=8153, bcdDevice=31.00 <6>[ 6.600286] usb 2-3: New USB device strings: Mfr=1, Product=2, SerialNumber=6 <6>[ 6.608591] usb 2-3: Product: USB 10/100/1000 LAN <6>[ 6.614153] usb 2-3: Manufacturer: Realtek <6>[ 6.619037] usb 2-3: SerialNumber: 001000001 <6>[ 6.627631] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 6.703861] usb 1-9: new high-speed USB device number 3 using xhci_hcd <6>[ 6.872028] usb 1-9: New USB device found, idVendor=13d3, idProduct=56d4, bcdDevice=18.07 <6>[ 6.881512] usb 1-9: New USB device strings: Mfr=3, Product=1, SerialNumber=2 <6>[ 6.889803] usb 1-9: Product: USB2.0 HD UVC WebCam <6>[ 6.895468] usb 1-9: Manufacturer: Azurewave <6>[ 6.900551] usb 1-9: SerialNumber: 0x0001 <6>[ 6.913178] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 6.958047] usb 2-3: reset SuperSpeed Gen 1 USB device number 2 using xhci_hcd <6>[ 7.014817] r8152 2-3:1.0: load rtl8153b-2 v2 04/27/23 successfully <6>[ 7.056641] r8152 2-3:1.0 eth0: v1.11.11 <6>[ 7.061912] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 8.687343] r8152 2-3:1.0 eth0: carrier on <6>[ 8.692319] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready <5>[ 8.700689] Sending DHCP requests . <3>[ 8.983436] DHCP/BOOTP: Reply not for us on eth0, op[2] xid[1cad4c14] <3>[ 9.009070] DHCP/BOOTP: Reply not for us on eth0, op[2] xid[1cad4c14] <3>[ 9.920309] DHCP/BOOTP: Reply not for us on eth0, op[2] xid[258b6e86] <3>[ 10.322294] DHCP/BOOTP: Reply not for us on eth0, op[2] xid[258b6e86] <4>[ 11.143759] ., OK <6>[ 11.154312] IP-Config: Got DHCP answer from 192.168.201.1, my address is 192.168.201.11 <6>[ 11.163589] IP-Config: Complete: <6>[ 11.167512] device=eth0, hwaddr=00:e0:4c:68:01:e7, ipaddr=192.168.201.11, mask=255.255.255.0, gw=192.168.201.1 <6>[ 11.179489] host=asus-c433ta-aj0005-rammus-cbg-1, domain=lava-rack, nis-domain=(none) <6>[ 11.189030] bootserver=192.168.201.1, rootserver=192.168.201.1, rootpath= <6>[ 11.189033] nameserver0=192.168.201.1 <5>[ 11.202426] cfg80211: Loading compiled-in X.509 certificates for regulatory database <6>[ 11.214530] modprobe (102) used greatest stack depth: 14120 bytes left <5>[ 11.217898] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7' <6>[ 11.222160] modprobe (103) used greatest stack depth: 13936 bytes left <5>[ 11.229949] cfg80211: Loaded X.509 cert 'wens: 61c038651aabdcf94bd0ac7ff06c7248db18c600' <4>[ 11.246904] platform regulatory.0: Direct firmware load for regulatory.db failed with error -2 <6>[ 11.247689] clk: Disabling unused clocks <6>[ 11.256894] cfg80211: failed to load regulatory.db <6>[ 11.261617] ALSA device list: <6>[ 11.270803] No soundcards found. <4>[ 11.275271] dw-apb-uart dw-apb-uart.2: forbid DMA for kernel console <6>[ 11.285092] Freeing unused kernel image (initmem) memory: 2164K <6>[ 11.302902] Write protecting the kernel read-only data: 51200k <6>[ 11.310628] Freeing unused kernel image (text/rodata gap) memory: 2028K <6>[ 11.318892] Freeing unused kernel image (rodata/data gap) memory: 2020K <6>[ 11.326744] Run /init as init process Loading, please wait... Starting systemd-udevd version 252.22-1~deb12u1 <6>[ 11.348903] systemd-udevd (128) used greatest stack depth: 13816 bytes left <6>[ 11.414315] udevadm (130) used greatest stack depth: 13688 bytes left <6>[ 11.595516] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 11.608322] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 11.626124] chromeos ramoops using acpi device. <4>[ 11.634540] cros-usbpd-notify-acpi GOOG0003:00: Couldn't get Chrome EC device pointer. <6>[ 11.647660] mmc1: SDHCI controller on PCI [0000:00:1e.6] using ADMA 64-bit <4>[ 11.659449] i2c_hid i2c-PNP0C50:00: supply vdd not found, using dummy regulator <4>[ 11.678562] i2c_hid i2c-PNP0C50:00: supply vddl not found, using dummy regulator <6>[ 11.679337] idma64 idma64.0: Found Intel integrated DMA 64-bit <6>[ 11.696145] Intel(R) Wireless WiFi driver for Linux <6>[ 11.704975] iwlwifi 0000:01:00.0: Found debug destination: EXTERNAL_DRAM <6>[ 11.708891] idma64 idma64.1: Found Intel integrated DMA 64-bit <6>[ 11.712795] iwlwifi 0000:01:00.0: Found debug configuration: 0 <6>[ 11.713228] iwlwifi 0000:01:00.0: loaded firmware version 29.4063824552.0 7265D-29.ucode op_mode iwlmvm <6>[ 11.733019] idma64 idma64.4: Found Intel integrated DMA 64-bit <6>[ 11.753526] iwlwifi 0000:01:00.0: Detected Intel(R) Dual Band Wireless AC 7265, REV=0x210 <6>[ 11.758928] idma64 idma64.5: Found Intel integrated DMA 64-bit <6>[ 11.777243] iwlwifi 0000:01:00.0: Applying debug destination EXTERNAL_DRAM <6>[ 11.785550] iwlwifi 0000:01:00.0: Allocated 0x00400000 bytes for firmware monitor. <6>[ 11.803202] iwlwifi 0000:01:00.0: base HW address: 14:f6:d8:5a:a0:e1 <6>[ 11.811988] Registered efivars operations <6>[ 11.816780] gsmi version 1.0 loaded <6>[ 11.861198] input: PNP0C50:00 0457:157E Touchscreen as /devices/pci0000:00/0000:00:15.0/i2c_designware.0/i2c-6/i2c-PNP0C50:00/0018:0457:157E.0001/input/input4 <6>[ 11.878653] hid-generic 0018:0457:157E.0001: input,hidraw0: I2C HID v1.00 Device [PNP0C50:00 0457:157E] on i2c-PNP0C50:00 <4>[ 11.880127] thermal thermal_zone6: failed to read out thermal zone (-61) <6>[ 11.901699] modprobe (165) used greatest stack depth: 13616 bytes left <6>[ 11.901777] proc_thermal 0000:00:04.0: Creating sysfs group for PROC_THERMAL_PCI <6>[ 11.909438] iTCO_wdt: Intel TCO WatchDog Timer Driver v1.11 <6>[ 11.918447] max98927 i2c-MX98927:00: MAX98927 revisionID: 0x42 <6>[ 11.924575] iTCO_wdt: Found a Intel PCH TCO device (Version=4, TCOBASE=0x0400) <6>[ 11.931707] max98927 i2c-MX98927:01: MAX98927 revisionID: 0x42 <6>[ 11.940400] iTCO_wdt: initialized. heartbeat=30 sec (nowayout=0) <4>[ 11.950585] da7219 i2c-DLGS7219:00: Using default DAI clk names: da7219-dai-wclk, da7219-dai-bclk <6>[ 11.962817] iwlwifi 0000:01:00.0 wlp1s0: renamed from wlan0 <6>[ 11.971404] Bluetooth: Core ver 2.22 <6>[ 11.975752] NET: Registered protocol family 31 <6>[ 11.981062] Bluetooth: HCI device and connection manager initialized <6>[ 11.989926] Bluetooth: HCI socket layer initialized <6>[ 11.996011] Bluetooth: L2CAP socket layer initialized <6>[ 12.002077] intel_pmc_core intel_pmc_core.0: initialized <6>[ 12.009341] Bluetooth: SCO socket layer initialized <6>[ 12.019422] uvcvideo: Found UVC 1.00 device USB2.0 HD UVC WebCam (13d3:56d4) <6>[ 12.019845] usbcore: registered new interface driver btusb <6>[ 12.036740] Bluetooth: hci0: read Intel version: 370810225019140f00 <6>[ 12.041048] input: USB2.0 HD UVC WebCam: USB2.0 HD as /devices/pci0000:00/0000:00:14.0/usb1/1-9/1-9:1.0/input/input6 <4>[ 12.044305] bluetooth hci0: Direct firmware load for intel/ibt-hw-37.8.10-fw-22.50.19.14.f.bseq failed with error -2 <6>[ 12.056956] usbcore: registered new interface driver uvcvideo <3>[ 12.068367] Bluetooth: hci0: failed to open Intel firmware file: intel/ibt-hw-37.8.10-fw-22.50.19.14.f.bseq (-2) <6>[ 12.075000] USB Video Class driver (1.1.1) <4>[ 12.086703] bluetooth hci0: Direct firmware load for intel/ibt-hw-37.8.bseq failed with error -2 <3>[ 12.101712] Bluetooth: hci0: failed to open default fw file: intel/ibt-hw-37.8.bseq Begin: Loading essential drivers ... done. Begin: Running /scripts/init-premount ... done. Begin: Mounting root file system ... Begin: Running /scripts/nfs-top ... done. Begin: Running /scripts/nfs-premount ... Waiting up to 60 secs for any ethernet to become available Device /sys/class/net/eth0 found done. Begin: Waiting up to 180 secs for any network device to become available ... done. IP-Config: wlp1s0 hardware address 14:f6:d8:5a:a0:e1 mtu 1500 DHCP <6>[ 12.170324] iwlwifi 0000:01:00.0: Applying debug destination EXTERNAL_DRAM <6>[ 12.260696] iwlwifi 0000:01:00.0: Applying debug destination EXTERNAL_DRAM <6>[ 12.262492] iwlwifi 0000:01:00.0: FW already configured (0) - re-configuring IP-Config: eth0 hardware address 00:e0:4c:68:01:e7 mtu 1500 DHCP IP-Config: eth0 complete (dhcp from 192.168.201.1): address: 192.168.201.11 broadcast: 192.168.201.255 netmask: 255.255.255.0 gateway: 192.168.201.1 dns0 : 192.168.<6>[ 12.329054] ipconfig (188) used greatest stack depth: 13344 bytes left 201.1 dns1 : 0.0.0.0 host : asus-c433ta-aj0005-rammus-cbg-1 domain : lava-rack rootserver: 192.168.201.1 rootpath: filename : <6>[ 12.455831] nfsmount (189) used greatest stack depth: 12528 bytes left done. Begin: Running /scripts/nfs-bottom ... done. Begin: Running /scripts/init-bottom ... done. SELinux: Could not open policy file <= /etc/selinux/targeted/policy/policy.33: No such file or directory <30>[ 13.870009] systemd[1]: systemd 252.22-1~deb12u1 running in system mode (+PAM +AUDIT +SELINUX +APPARMOR +IMA +SMACK +SECCOMP +GCRYPT -GNUTLS +OPENSSL +ACL +BLKID +CURL +ELFUTILS +FIDO2 +IDN2 -IDN +IPTC +KMOD +LIBCRYPTSETUP +LIBFDISK +PCRE2 -PWQUALITY +P11KIT +QRENCODE +TPM2 +BZIP2 +LZ4 +XZ +ZLIB +ZSTD -BPF_FRAMEWORK -XKBCOMMON +UTMP +SYSVINIT default-hierarchy=unified) <30>[ 13.906980] systemd[1]: Detected architecture x86-64. Welcome to Debian GNU/Linux 12 (bookworm)! <30>[ 13.931223] systemd[1]: Hostname set to . <30>[ 14.429432] systemd[1]: Queued start job for default target graphical.target. <30>[ 14.440101] systemd[1]: Created slice system-getty.slice - Slice /system/getty. [ OK ] Created slice system-getty.slice - Slice /system/getty. <30>[ 14.461415] systemd[1]: Created slice system-modprobe.slice - Slice /system/modprobe. [ OK ] Created slice system-modpr…lice - Slice /system/modprobe. <30>[ 14.483412] systemd[1]: Created slice system-serial\x2dgetty.slice - Slice /system/serial-getty. [ OK ] Created slice system-seria… - Slice /system/serial-getty. <30>[ 14.506347] systemd[1]: Created slice user.slice - User and Session Slice. [ OK ] Created slice user.slice - User and Session Slice. <30>[ 14.524176] systemd[1]: Started systemd-ask-password-console.path - Dispatch Password Requests to Console Directory Watch. [ OK ] Started systemd-ask-passwo…quests to Console Directory Watch. <30>[ 14.547098] systemd[1]: Started systemd-ask-password-wall.path - Forward Password Requests to Wall Directory Watch. [ OK ] Started systemd-ask-passwo… Requests to Wall Directory Watch. <30>[ 14.572867] systemd[1]: Set up automount proc-sys-fs-binfmt_misc.automount - Arbitrary Executable File Formats File System Automount Point. [ OK ] Set up automount proc-sys-…rmats File System Automount Point. <30>[ 14.599975] systemd[1]: Expecting device dev-ttyS0.device - /dev/ttyS0... Expecting device dev-ttyS0.device - /dev/ttyS0... <30>[ 14.617960] systemd[1]: Reached target cryptsetup.target - Local Encrypted Volumes. [ OK ] Reached target cryptsetup.…get - Local Encrypted Volumes. <30>[ 14.636973] systemd[1]: Reached target integritysetup.target - Local Integrity Protected Volumes. [ OK ] Reached target integrityse…Local Integrity Protected Volumes. <30>[ 14.659989] systemd[1]: Reached target paths.target - Path Units. [ OK ] Reached target paths.target - Path Units. <30>[ 14.676969] systemd[1]: Reached target remote-fs.target - Remote File Systems. [ OK ] Reached target remote-fs.target - Remote File Systems. <30>[ 14.694954] systemd[1]: Reached target slices.target - Slice Units. [ OK ] Reached target slices.target - Slice Units. <30>[ 14.711994] systemd[1]: Reached target swap.target - Swaps. [ OK ] Reached target swap.target - Swaps. <30>[ 14.727995] systemd[1]: Reached target veritysetup.target - Local Verity Protected Volumes. [ OK ] Reached target veritysetup… - Local Verity Protected Volumes. <30>[ 14.750223] systemd[1]: Listening on systemd-initctl.socket - initctl Compatibility Named Pipe. [ OK ] Listening on systemd-initc… initctl Compatibility Named Pipe. <30>[ 14.774476] systemd[1]: Listening on systemd-journald-audit.socket - Journal Audit Socket. [ OK ] Listening on systemd-journ…socket - Journal Audit Socket. <30>[ 14.795014] systemd[1]: Listening on systemd-journald-dev-log.socket - Journal Socket (/dev/log). [ OK ] Listening on systemd-journ…t - Journal Socket (/dev/log). <30>[ 14.815469] systemd[1]: Listening on systemd-journald.socket - Journal Socket. [ OK ] Listening on systemd-journald.socket - Journal Socket. <30>[ 14.834766] systemd[1]: Listening on systemd-networkd.socket - Network Service Netlink Socket. [ OK ] Listening on systemd-netwo… - Network Service Netlink Socket. <30>[ 14.858740] systemd[1]: Listening on systemd-udevd-control.socket - udev Control Socket. [ OK ] Listening on systemd-udevd….socket - udev Control Socket. <30>[ 14.881304] systemd[1]: Listening on systemd-udevd-kernel.socket - udev Kernel Socket. [ OK ] Listening on systemd-udevd…l.socket - udev Kernel Socket. <30>[ 14.905104] systemd[1]: Mounting dev-hugepages.mount - Huge Pages File System... Mounting dev-hugepages.mount - Huge Pages File System... <30>[ 14.925775] systemd[1]: Mounting dev-mqueue.mount - POSIX Message Queue File System... Mounting dev-mqueue.mount…POSIX Message Queue File System... <30>[ 14.945497] systemd[1]: Mounting sys-kernel-debug.mount - Kernel Debug File System... Mounting sys-kernel-debug.… - Kernel Debug File System... <30>[ 14.965292] systemd[1]: Mounting sys-kernel-tracing.mount - Kernel Trace File System... Mounting sys-kernel-tracin… - Kernel Trace File System... <30>[ 14.987203] systemd[1]: Starting kmod-static-nodes.service - Create List of Static Device Nodes... Starting kmod-static-nodes…ate List of Static Device Nodes... <30>[ 15.009655] systemd[1]: Starting modprobe@configfs.service - Load Kernel Module configfs... Starting modprobe@configfs…m - Load Kernel Module configfs... <30>[ 15.031713] systemd[1]: Starting modprobe@dm_mod.service - Load Kernel Module dm_mod... Starting modprobe@dm_mod.s…[0m - Load Kernel Module dm_mod... <30>[ 15.057285] systemd[1]: Starting modprobe@drm.service - Load Kernel Module drm... Starting modprobe@drm.service - Load Kernel Module drm... <30>[ 15.078906] systemd[1]: Starting modprobe@efi_pstore.service - Load Kernel Module efi_pstore... Starting modprobe@efi_psto…- Load Kernel Module efi_pstore... <30>[ 15.101404] systemd[1]: Starting modprobe@fuse.service - Load Kernel Module fuse... Starting modprobe@fuse.ser…e - Load Kernel Module fuse... <30>[ 15.123177] systemd[1]: Starting modprobe@loop.service - Load Kernel Module loop... Starting modprobe@loop.ser…e - Load Kernel Module loop... <30>[ 15.145646] systemd[1]: Starting systemd-journald.service - Journal Service... Starting systemd-journald.service - Journa<6>[ 15.160418] fuse: init (API version 7.32) l Service... <30>[ 15.179458] systemd[1]: Starting systemd-modules-load.service - Load Kernel Modules... Starting systemd-modules-l…rvice - Load Kernel Modules... <30>[ 15.201930] systemd[1]: Starting systemd-network-generator.service - Generate network units from Kernel command line... Starting systemd-network-g… units from Kernel command line... <30>[ 15.225565] systemd[1]: Starting systemd-remount-fs.service - Remount Root and Kernel File Systems... Starting systemd-remount-f…nt Root and Kernel File Systems... <30>[ 15.246679] systemd[1]: Starting systemd-udev-trigger.service - Coldplug All udev Devices... Starting systemd-udev-trig…[0m - Coldplug All udev Devices... <30>[ 15.271361] systemd[1]: Mounted dev-hugepages.mount - Huge Pages File System. [ OK ] Mounted dev-hugepages.mount - Huge Pages File System. <30>[ 15.289012] systemd[1]: Mounted dev-mqueue.mount - POSIX Message Queue File System. [ OK ] Mounted dev-mqueue.mount[…- POSIX Message Queue File System. <30>[ 15.309970] systemd[1]: Mounted sys-kernel-debug.mount - Kernel Debug File System. [ OK ] Mounted sys-kernel-debug.m…nt - Kernel Debug File System. <30>[ 15.328919] systemd[1]: Started systemd-journald.service - Journal Service. [ OK ] Started systemd-journald.service - Journal Service. [ OK ] Mounted sys-kernel-tracing…nt - Kernel Trace File System. [ OK ] Finished kmod-static-nodes…reate List of Static Device Nodes. [ OK ] Finished modprobe@configfs…[0m - Load Kernel Module configfs. [ OK ] Finished modprobe@dm_mod.s…e - Load Kernel Module dm_mod. [ OK ] Finished modprobe@drm.service - Load Kernel Module drm. [ OK ] Finished modprobe@efi_psto…m - Load Kernel Module efi_pstore. [ OK ] Finished modprobe@fuse.service - Load Kernel Module fuse. [ OK ] Finished modprobe@loop.service - Load Kernel Module loop. [ OK ] Finished systemd-modules-l…service - Load Kernel Modules. [ OK ] Finished systemd-network-g…rk units from Kernel command line. [ OK ] Finished systemd-remount-f…ount Root and Kernel File Systems. [ OK ] Reached target network-pre…get - Preparation for Network. Mounting sys-fs-fuse-conne… - FUSE Control File System... Mounting sys-kernel-config…ernel Configuration File System... Starting systemd-journal-f…h Journal to Persistent Storage... Starting systemd-random-se…ice - Load/Save Random Seed... Starting systemd-sysctl.se…ce - Apply Kernel Variables... <46>[ 15.548135] systemd-journald[226]: Received client request to flush runtime journal. Starting systemd-sysusers.…rvice - Create System Users... [ OK ] Mounted sys-fs-fuse-connec…nt - FUSE Control File System. [ OK ] Mounted sys-kernel-config.… Kernel Configuration File System. [ OK ] Finished systemd-random-se…rvice - Load/Save Random Seed. [ OK ] Finished systemd-sysctl.service - Apply Kernel Variables. [ OK ] Finished systemd-udev-trig…e - Coldplug All udev Devices. [ OK ] Finished systemd-sysusers.service - Create System Users. Starting systemd-tmpfiles-…ate Static Device Nodes in /dev... <6>[ 17.027023] journalctl (233) used greatest stack depth: 12368 bytes left [ OK ] Finished systemd-journal-f…ush Journal to Persistent Storage. [ OK ] Finished systemd-tmpfiles-…reate Static Device Nodes in /dev. [ OK ] Reached target local-fs-pr…reparation for Local File Systems. [ OK ] Reached target local-fs.target - Local File Systems. Starting systemd-binfmt.se…et Up Additional Binary Formats... Starting systemd-tmpfiles-… Volatile Files and Directories... Starting systemd-udevd.ser…ger for Device Events and Files... Mounting proc-sys-fs-binfm…utable File Formats File System... [ OK ] Mounted proc-sys-fs-binfmt…ecutable File Formats File System. [ OK ] Finished systemd-binfmt.se… Set Up Additional Binary Formats. [ OK ] Started systemd-udevd.serv…nager for Device Events and Files. Starting systemd-networkd.…ice - Network Configuration... [ OK ] Finished systemd-tmpfiles-…te Volatile Files and Directories. Starting systemd-timesyncd… - Network Time Synchronization... Starting systemd-update-ut…rd System Boot/Shutdown in UTMP... [ OK ] Found device dev-ttyS0.dev…oint-LP Serial IO UART Controller. [ OK ] Finished systemd-update-ut…cord System Boot/Shutdown in UTMP. [ OK ] Created slice system-syste…- Slice /system/systemd-backlight. [ OK ] Reached target bluetooth.target - Bluetooth Support. [ OK ] Listening on systemd-rfkil…l Switch Status /dev/rfkill Watch. Starting systemd-backlight…ss of backlight:intel_backlight... Starting systemd-backlight…of leds:chromeos::kbd_backlight... [ OK ] Started systemd-networkd.service - Network Configuration. [ OK ] Reached target network.target - Network. Starting systemd-rfkill.se…Load/Save RF Kill Switch Status... [ OK ] Finished systemd-backlight…s of leds:chromeos::kbd_backlight. [ OK ] Started systemd-timesyncd.…0m - Network Time Synchronization. [ OK ] Started systemd-rfkill.ser…- Load/Save RF Kill Switch Status. [ OK ] Finished systemd-backlight…ness of backlight:intel_backlight. [ OK ] Reached target sysinit.target - System Initialization. [ OK ] Started systemd-tmpfiles-c… Cleanup of Temporary Directories. [ OK ] Reached target time-set.target - System Time Set. [ OK ] Started apt-daily.timer - Daily apt download activities. [ OK ] Started apt-daily-upgrade.… apt upgrade and clean activities. [ OK ] Started dpkg-db-backup.tim… Daily dpkg database backup timer. [ OK ] Started e2scrub_all.timer…etadata Check for All Filesystems. [ OK ] Started fstrim.timer - Discard unused blocks once a week. [ OK ] Reached target timers.target - Timer Units. [ OK ] Listening on dbus.socket[…- D-Bus System Message Bus Socket. [ OK ] Reached target sockets.target - Socket Units. [ OK ] Reached target basic.target - Basic System. Starting dbus.service - D-Bus System Message Bus... Starting e2scrub_reap.serv…e ext4 Metadata Check Snapshots... Starting systemd-logind.se…ice - User Login Management... Starting systemd-user-sess…vice - Permit User Sessions... [ OK ] Finished systemd-user-sess…ervice - Permit User Sessions. [ OK ] Started getty@tty1.service - Getty on tty1. [ OK ] Started serial-getty@ttyS0…rvice - Serial Getty on ttyS0. [ OK ] Reached target getty.target - Login Prompts. [ OK ] Started dbus.service - D-Bus System Message Bus. [ OK ] Finished e2scrub_reap.serv…ine ext4 Metadata Check Snapshots. [ OK ] Started systemd-logind.service - User Login Management. [ OK ] Reached target multi-user.target - Multi-User System. [ OK ] Reached target graphical.target - Graphical Interface. Starting systemd-update-ut… Record Runlevel Change in UTMP... [ OK ] Finished systemd-update-ut… - Record Runlevel Change in UTMP. Debian GNU/Linux 12 debian-bookworm-amd64 ttyS0 debian-bookworm-amd64 login: root (automatic login) Linux debian-bookworm-amd64 5.10.216-cip47 #1 SMP Thu May 30 07:41:46 UTC 2024 x86_64 The programs included with the Debian GNU/Linux system are free software; the exact distribution terms for each program are described in the individual files in /usr/share/doc/*/copyright. Debian GNU/Linux comes with ABSOLUTELY NO WARRANTY, to the extent permitted by applicable law. / # / # export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/14090873/extract-nfsrootfs-f6wrnvir' export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/14090873/extract-nfsrootfs-f6wrnvir' / #export NFS_SERVER_IP='192.168.201.1' export NFS_SERVER_IP='192.168.201.1' / # # # / # export SHELL=/bin/bash export SHELL=/bin/bash / # . /lava-14090873/environment . /lava-14090873/environment / # /lava-14090873/bin/lava-test-runner /lava-14090873/0 /lava-14090873/bin/lava-test-runner /lava-14090873/0 + export TESTRUN_ID=0_timesync-off + TESTRUN_ID=0_timesync-off + cd /lava-14090873/0/tests/0_timesync-off ++ cat uuid + UUID=14090873_1.5.2.3.1 + set +x + systemctl stop systemd-timesyncd + set +x + export TESTRUN_ID=1_kselftest-lkdtm + TESTRUN_ID=1_kselftest-lkdtm + cd /lava-14090873/0/tests/1_kselftest-lkdtm ++ cat uuid + UUID=14090873_1.5.2.3.5 + set +x + cd ./automated/linux/kselftest/ + ./kselftest.sh -c lkdtm -T '' -t kselftest_armhf.tar.gz -s True -u http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.216-cip47-47-g42df769f88c3/x86_64/x86_64_defconfig+x86-board+kselftest/gcc-10/kselftest.tar.xz -L '' -S /dev/null -b asus-C433TA-AJ0005-rammus -g cip-gitlab -e '' -p /opt/kselftests/mainline/ -n 1 -i 1 INFO: install_deps skipped --2024-05-30 07:57:57-- http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.216-cip47-47-g42df769f88c3/x86_64/x86_64_defconfig+x86-board+kselftest/gcc-10/kselftest.tar.xz Resolving storage.kernelci.org (storage.kernelci.org)... 20.171.243.82 Connecting to storage.kernelci.org (storage.kernelci.org)|20.171.243.82|:80... connected. HTTP request sent, awaiting response... 200 OK Length: 3477824 (3.3M) [application/octet-stream] Saving to: 'kselftest_armhf.tar.gz' kselftest_armhf.tar 0%[ ] 0 --.-KB/s kselftest_armhf.tar 1%[ ] 50.15K 195KB/s kselftest_armhf.tar 6%[> ] 217.50K 423KB/s kselftest_armhf.tar 24%[===> ] 821.30K 1001KB/s kselftest_armhf.tar 59%[==========> ] 1.98M 1.92MB/s kselftest_armhf.tar 94%[=================> ] 3.13M 2.43MB/s kselftest_armhf.tar 100%[===================>] 3.32M 2.52MB/s in 1.3s 2024-05-30 07:57:58 (2.52 MB/s) - 'kselftest_armhf.tar.gz' saved [3477824/3477824] skiplist: ======================================== ======================================== lkdtm:PANIC.sh lkdtm:BUG.sh lkdtm:WARNING.sh lkdtm:WARNING_MESSAGE.sh lkdtm:EXCEPTION.sh lkdtm:LOOP.sh lkdtm:EXHAUST_STACK.sh lkdtm:CORRUPT_STACK.sh lkdtm:CORRUPT_STACK_STRONG.sh lkdtm:CORRUPT_LIST_ADD.sh lkdtm:CORRUPT_LIST_DEL.sh lkdtm:STACK_GUARD_PAGE_LEADING.sh lkdtm:STACK_GUARD_PAGE_TRAILING.sh lkdtm:UNSET_SMEP.sh lkdtm:DOUBLE_FAULT.sh lkdtm:CORRUPT_PAC.sh lkdtm:UNALIGNED_LOAD_STORE_WRITE.sh lkdtm:OVERWRITE_ALLOCATION.sh lkdtm:WRITE_AFTER_FREE.sh lkdtm:READ_AFTER_FREE.sh lkdtm:WRITE_BUDDY_AFTER_FREE.sh lkdtm:READ_BUDDY_AFTER_FREE.sh lkdtm:SLAB_FREE_DOUBLE.sh lkdtm:SLAB_FREE_CROSS.sh lkdtm:SLAB_FREE_PAGE.sh lkdtm:SOFTLOCKUP.sh lkdtm:HARDLOCKUP.sh lkdtm:SPINLOCKUP.sh lkdtm:HUNG_TASK.sh lkdtm:EXEC_DATA.sh lkdtm:EXEC_STACK.sh lkdtm:EXEC_KMALLOC.sh lkdtm:EXEC_VMALLOC.sh lkdtm:EXEC_RODATA.sh lkdtm:EXEC_USERSPACE.sh lkdtm:EXEC_NULL.sh lkdtm:ACCESS_USERSPACE.sh lkdtm:ACCESS_NULL.sh lkdtm:WRITE_RO.sh lkdtm:WRITE_RO_AFTER_INIT.sh lkdtm:WRITE_KERN.sh lkdtm:REFCOUNT_INC_OVERFLOW.sh lkdtm:REFCOUNT_ADD_OVERFLOW.sh lkdtm:REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh lkdtm:REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh lkdtm:REFCOUNT_DEC_ZERO.sh lkdtm:REFCOUNT_DEC_NEGATIVE.sh lkdtm:REFCOUNT_DEC_AND_TEST_NEGATIVE.sh lkdtm:REFCOUNT_SUB_AND_TEST_NEGATIVE.sh lkdtm:REFCOUNT_INC_ZERO.sh lkdtm:REFCOUNT_ADD_ZERO.sh lkdtm:REFCOUNT_INC_SATURATED.sh lkdtm:REFCOUNT_DEC_SATURATED.sh lkdtm:REFCOUNT_ADD_SATURATED.sh lkdtm:REFCOUNT_INC_NOT_ZERO_SATURATED.sh lkdtm:REFCOUNT_ADD_NOT_ZERO_SATURATED.sh lkdtm:REFCOUNT_DEC_AND_TEST_SATURATED.sh lkdtm:REFCOUNT_SUB_AND_TEST_SATURATED.sh lkdtm:REFCOUNT_TIMING.sh lkdtm:ATOMIC_TIMING.sh lkdtm:USERCOPY_HEAP_SIZE_TO.sh lkdtm:USERCOPY_HEAP_SIZE_FROM.sh lkdtm:USERCOPY_HEAP_WHITELIST_TO.sh lkdtm:USERCOPY_HEAP_WHITELIST_FROM.sh lkdtm:USERCOPY_STACK_FRAME_TO.sh lkdtm:USERCOPY_STACK_FRAME_FROM.sh lkdtm:USERCOPY_STACK_BEYOND.sh lkdtm:USERCOPY_KERNEL.sh lkdtm:STACKLEAK_ERASING.sh lkdtm:CFI_FORWARD_PROTO.sh ============== Tests to run =============== lkdtm:PANIC.sh lkdtm:BUG.sh lkdtm:WARNING.sh lkdtm:WARNING_MESSAGE.sh lkdtm:EXCEPTION.sh lkdtm:LOOP.sh lkdtm:EXHAUST_STACK.sh lkdtm:CORRUPT_STACK.sh lkdtm:CORRUPT_STACK_STRONG.sh lkdtm:CORRUPT_LIST_ADD.sh lkdtm:CORRUPT_LIST_DEL.sh lkdtm:STACK_GUARD_PAGE_LEADING.sh lkdtm:STACK_GUARD_PAGE_TRAILING.sh lkdtm:UNSET_SMEP.sh lkdtm:DOUBLE_FAULT.sh lkdtm:CORRUPT_PAC.sh lkdtm:UNALIGNED_LOAD_STORE_WRITE.sh lkdtm:OVERWRITE_ALLOCATION.sh lkdtm:WRITE_AFTER_FREE.sh lkdtm:READ_AFTER_FREE.sh lkdtm:WRITE_BUDDY_AFTER_FREE.sh lkdtm:READ_BUDDY_AFTER_FREE.sh lkdtm:SLAB_FREE_DOUBLE.sh lkdtm:SLAB_FREE_CROSS.sh lkdtm:SLAB_FREE_PAGE.sh lkdtm:SOFTLOCKUP.sh lkdtm:HARDLOCKUP.sh lkdtm:SPINLOCKUP.sh lkdtm:HUNG_TASK.sh lkdtm:EXEC_DATA.sh lkdtm:EXEC_STACK.sh lkdtm:EXEC_KMALLOC.sh lkdtm:EXEC_VMALLOC.sh lkdtm:EXEC_RODATA.sh lkdtm:EXEC_USERSPACE.sh lkdtm:EXEC_NULL.sh lkdtm:ACCESS_USERSPACE.sh lkdtm:ACCESS_NULL.sh lkdtm:WRITE_RO.sh lkdtm:WRITE_RO_AFTER_INIT.sh lkdtm:WRITE_KERN.sh lkdtm:REFCOUNT_INC_OVERFLOW.sh lkdtm:REFCOUNT_ADD_OVERFLOW.sh lkdtm:REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh lkdtm:REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh lkdtm:REFCOUNT_DEC_ZERO.sh lkdtm:REFCOUNT_DEC_NEGATIVE.sh lkdtm:REFCOUNT_DEC_AND_TEST_NEGATIVE.sh lkdtm:REFCOUNT_SUB_AND_TEST_NEGATIVE.sh lkdtm:REFCOUNT_INC_ZERO.sh lkdtm:REFCOUNT_ADD_ZERO.sh <12>[ 35.027783] kselftest: Running tests in lkdtm lkdtm:REFCOUNT_INC_SATURATED.sh lkdtm:REFCOUNT_DEC_SATURATED.sh lkdtm:REFCOUNT_ADD_SATURATED.sh lkdtm:REFCOUNT_INC_NOT_ZERO_SATURATED.sh lkdtm:REFCOUNT_ADD_NOT_ZERO_SATURATED.sh lkdtm:REFCOUNT_DEC_AND_TEST_SATURATED.sh lkdtm:REFCOUNT_SUB_AND_TEST_SATURATED.sh lkdtm:REFCOUNT_TIMING.sh lkdtm:ATOMIC_TIMING.sh lkdtm:USERCOPY_HEAP_SIZE_TO.sh lkdtm:USERCOPY_HEAP_SIZE_FROM.sh lkdtm:USERCOPY_HEAP_WHITELIST_TO.sh lkdtm:USERCOPY_HEAP_WHITELIST_FROM.sh lkdtm:USERCOPY_STACK_FRAME_TO.sh lkdtm:USERCOPY_STACK_FRAME_FROM.sh lkdtm:USERCOPY_STACK_BEYOND.sh lkdtm:USERCOPY_KERNEL.sh lkdtm:STACKLEAK_ERASING.sh lkdtm:CFI_FORWARD_PROTO.sh ===========End Tests to run =============== shardfile-lkdtm pass TAP version 13 1..70 # selftests: lkdtm: PANIC.sh # Skipping PANIC: crashes entire system ok 1 selftests: lkdtm: PANIC.sh # SKIP # selftests: lkdtm: BUG.sh <6>[ 35.517242] lkdtm: Performing direct entry BUG <4>[ 35.522591] ------------[ cut here ]------------ <2>[ 35.528080] kernel BUG at drivers/misc/lkdtm/bugs.c:76! <4>[ 35.534275] invalid opcode: 0000 [#1] SMP PTI <4>[ 35.539436] CPU: 0 PID: 667 Comm: cat Tainted: G W 5.10.216-cip47 #1 <4>[ 35.548278] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 35.555377] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 35.560050] Code: 89 ff e8 5e ae 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 60 0e eb 03 <4>[ 35.581319] RSP: 0018:ffff9b6e8143be60 EFLAGS: 00010286 <4>[ 35.587442] RAX: ffffffffaf57fff0 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 35.595702] RDX: 0000000000000000 RSI: ffff8ab27ac1bf50 RDI: ffffffffb1440670 <4>[ 35.603954] RBP: ffffffffb1936f68 R08: 0000000000000001 R09: 0000000000000001 <4>[ 35.612211] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 35.620472] R13: ffff9b6e8143bf10 R14: ffff9b6e8143bf10 R15: ffff8ab2086b3000 <4>[ 35.628734] FS: 00007f269d3cd740(0000) GS:ffff8ab27ac00000(0000) knlGS:0000000000000000 <4>[ 35.638061] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 35.644766] CR2: 00007f269d3ac000 CR3: 00000001062ce001 CR4: 00000000003706f0 <4>[ 35.653026] Call Trace: <4>[ 35.656038] ? __die_body.cold+0x1a/0x1f <4>[ 35.660713] ? die+0x2b/0x50 <4>[ 35.664221] ? do_trap+0x91/0x110 <4>[ 35.668208] ? lkdtm_BUG+0x5/0x10 <4>[ 35.672196] ? do_error_trap+0x90/0x110 <4>[ 35.676765] ? lkdtm_BUG+0x5/0x10 <4>[ 35.680753] ? lkdtm_BUG+0x5/0x10 <4>[ 35.684735] ? exc_invalid_op+0x4e/0x70 <4>[ 35.689304] ? lkdtm_BUG+0x5/0x10 <4>[ 35.693292] ? asm_exc_invalid_op+0x12/0x20 <4>[ 35.698252] ? direct_entry+0xe0/0xe0 <4>[ 35.702634] ? lkdtm_BUG+0x5/0x10 <4>[ 35.706622] direct_entry.cold+0x2c/0x38 <4>[ 35.711292] full_proxy_write+0x53/0x80 <4>[ 35.715871] vfs_write+0xe7/0x3b0 <4>[ 35.719865] ksys_write+0x68/0xf0 <4>[ 35.723849] do_syscall_64+0x30/0x40 <4>[ 35.728131] entry_SYSCALL_64_after_hwframe+0x67/0xcc <4>[ 35.734062] RIP: 0033:0x7f269d4c8240 <4>[ 35.738345] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89 <4>[ 35.759616] RSP: 002b:00007ffe6dd0eb58 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 <4>[ 35.768363] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f269d4c8240 <4>[ 35.776621] RDX: 0000000000000004 RSI: 00007f269d3ac000 RDI: 0000000000000001 <4>[ 35.784872] RBP: 0000000000000004 R08: 00000000ffffffff R09: 0000000000000000 <4>[ 35.793131] R10: 00007f269d3e94d0 R11: 0000000000000202 R12: 00007f269d3ac000 <4>[ 35.801391] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 <4>[ 35.809648] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel intel_pmc_core_pltdrv uvcvideo cros_ec_sysfs videobuf2_vmalloc cros_ec_lightbar cros_ec_sensorhub cros_ec_debugfs cros_usbpd_charger videobuf2_memops cros_ec_chardev cros_usbpd_logger intel_pmc_core videobuf2_v4l2 iTCO_wdt snd_soc_da7219 bluetooth watchdog snd_soc_max98927 processor_thermal_device gsmi iwlmvm x86_pkg_temp_thermal cros_ec_dev intel_pmc_bxt ecdh_generic videobuf2_common iwlwifi idma64 snd_soc_core ecc intel_soc_dts_iosf snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify int3403_thermal int340x_thermal_zone pinctrl_sunrisepoint int3400_thermal acpi_thermal_rel cros_kbd_led_backlight chromeos_pstore coreboot_table <0>[ 35.893043] gsmi: Log Shutdown Reason 0x03 <4>[ 35.897986] ---[ end trace 8025eed8b81a5aaa ]--- <4>[ 35.903464] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 35.908179] Code: 89 ff e8 5e ae 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 60 0e eb 03 <4>[ 35.929474] RSP: 0018:ffff9b6e8143be60 EFLAGS: 00010286 <4>[ 35.935676] RAX: ffffffffaf57fff0 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 35.943985] RDX: 0000000000000000 RSI: ffff8ab27ac1bf50 RDI: ffffffffb1440670 <4>[ 35.952272] RBP: ffffffffb1936f68 R08: 0000000000000001 R09: 0000000000000001 <4>[ 35.960583] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 35.968886] R13: ffff9b6e8143bf10 R14: ffff9b6e8143bf10 R15: ffff8ab2086b3000 <4>[ 35.977181] FS: 00007f269d3cd740(0000) GS:ffff8ab27ac00000(0000) knlGS:0000000000000000 <4>[ 35.986543] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 35.993270] CR2: 00007f269d3ac000 CR3: 00000001062ce001 CR4: 00000000003706f0 # Segmentation fault # [ 35.517242] lkdtm: Performing direct entry BUG # [ 35.522591] ------------[ cut here ]------------ # [ 35.528080] kernel BUG at drivers/misc/lkdtm/bugs.c:76! # [ 35.534275] invalid opcode: 0000 [#1] SMP PTI # [ 35.539436] CPU: 0 PID: 667 Comm: cat Tainted: G W 5.10.216-cip47 #1 # [ 35.548278] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 35.555377] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 35.560050] Code: 89 ff e8 5e ae 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 60 0e eb 03 # [ 35.581319] RSP: 0018:ffff9b6e8143be60 EFLAGS: 00010286 # [ 35.587442] RAX: ffffffffaf57fff0 R<6>[ 36.144442] lkdtm: Performing direct entry WARNING BX: 0000000000000001 RCX: 0000000000000000 # [ 35.595702] RDX<4>[ 36.154587] ------------[ cut here ]------------ : 0000000000000000 RSI: ffff8ab27ac1bf50 RDI: ffffffffb1440670 <4>[ 36.166230] WARNING: CPU: 0 PID: 705 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x13/0x20 # [ 35.603954] RBP: ffffffffb1936f68 R08: 0000000000000001 R09<4>[ 36.182178] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel intel_pmc_core_pltdrv uvcvideo cros_ec_sysfs videobuf2_vmalloc cros_ec_lightbar cros_ec_sensorhub cros_ec_debugfs cros_usbpd_charger videobuf2_memops cros_ec_chardev cros_usbpd_logger intel_pmc_core videobuf2_v4l2 iTCO_wdt snd_soc_da7219 bluetooth watchdog snd_soc_max98927 processor_thermal_device gsmi iwlmvm x86_pkg_temp_thermal cros_ec_dev intel_pmc_bxt ecdh_generic videobuf2_common iwlwifi idma64 snd_soc_core ecc intel_soc_dts_iosf snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify int3403_thermal int340x_thermal_zone pinctrl_sunrisepoint int3400_thermal acpi_thermal_rel cros_kbd_led_backlight chromeos_pstore coreboot_table : 0000000000000001 # [ 35.612211] R10: 00000000ffffe000 R11: <4>[ 36.269872] CPU: 0 PID: 705 Comm: cat Tainted: G D W 5.10.216-cip47 #1 3fffffffffffffff R12: 0000000000000004 # [ 35.620472] R13: ff<4>[ 36.284923] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 ff9b6e8143bf10 R14: ffff9b6e8143bf10 R15: ffff8ab2086b3000 # [ <4>[ 36.298242] RIP: 0010:lkdtm_WARNING+0x13/0x20 35.628734] FS: 00007f269d3cd740(0000) GS:ffff8ab27ac00000(000<4>[ 36.309597] Code: c0 f4 ff ff ff eb c9 0f 1f 44 00 00 0f 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 60 0e eb 03 01 75 05 c3 cc cc cc cc <0f> 0b c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 41 0e 0) knlGS:0000000000000000 # [ 35.638061] CS: 0010 DS: 0000 E<4>[ 36.337223] RSP: 0018:ffff9b6e81493e60 EFLAGS: 00010202 S: 0000 CR0: 0000000080050033 # [ 35.644766] CR2: 00007f269d3<4>[ 36.349497] RAX: ffffffffaf580000 RBX: 0000000000000002 RCX: 0000000000000000 ac000 CR3: 00000001062ce001 CR4: 00000000003706f0 # [ 35.6530<4>[ 36.364083] RDX: 0000000000000000 RSI: ffff8ab27ac1bf50 RDI: ffffffffb1440680 26] Call Trace: # [ 35.656038] ? __die_body.cold+0x1a/0x1f <4>[ 36.378502] RBP: ffffffffb18d0087 R08: 0000000000000000 R09: 0000000000000000 # [ 35.660713] ? die+0x2b/0x50 # [ 35.664221] ? do_trap+0<4>[ 36.393021] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000008 x91/0x110 # [ 35.668208] ? lkdtm_BUG+0x5/0x10 # [ 35.6721<4>[ 36.407537] R13: ffff9b6e81493f10 R14: ffff9b6e81493f10 R15: ffff8ab2068d2000 96] ? do_error_trap+0x90/0x110 # [ 35.676765] ? lkdtm_BUG+0<4>[ 36.422021] FS: 00007fbdac94c740(0000) GS:ffff8ab27ac00000(0000) knlGS:0000000000000000 x5/0x10 # [ 35.680753] ? lkdtm_BUG+0x5/0x10 # [ 35.684735<4>[ 36.437548] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 ] ? exc_invalid_op+0x4e/0x70 # [ 35.689304] ? lkdtm_BUG+0x5<4>[ 36.450470] CR2: 00007fbdac92b000 CR3: 00000001069e4004 CR4: 00000000003706f0 /0x10 # [ 35.693292] ? asm_exc_invalid_op+0x12/0x20 # [ 3<4>[ 36.465034] Call Trace: 5.698252] ? direct_entry+0xe0/0xe0 # [ 35.702634] ? lkdtm_B<4>[ 36.474253] ? __warn+0x80/0x110 UG+0x5/0x10 # [ 35.706622] direct_entry.cold+0x2c/0x38 # [ <4>[ 36.484405] ? lkdtm_WARNING+0x13/0x20 35.711292] full_proxy_write+0x53/0x80 # [ 35.715871] vfs_<4>[ 36.495055] ? report_bug+0x9e/0xc0 write+0xe7/0x3b0 # [ 35.719865] ksys_write+0x68/0xf0 # [ <4>[ 36.505470] ? handle_bug+0x41/0x90 35.723849] do_syscall_64+0x30/0x40 # [ 35.728131] entry_SYS<4>[ 36.515849] ? exc_invalid_op+0x14/0x70 CALL_64_after_hwframe+0x67/0xcc # [ 35.734062] RIP: 0033:0x7f<4>[ 36.526659] ? asm_exc_invalid_op+0x12/0x20 269d4c8240 # [ 35.738345] Code: 40 00 48 8b 15 c1 9b 0d 00 f7<4>[ 36.537825] ? lkdtm_BUG+0x10/0x10 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e <4>[ 36.548123] ? lkdtm_WARNING+0x13/0x20 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f<4>[ 36.558805] direct_entry.cold+0x2c/0x38 1f 80 00 00 00 00 48 83 ec 28 48 89 # [ 35.759616] RSP: 002b<4>[ 36.569714] full_proxy_write+0x53/0x80 :00007ffe6dd0eb58 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 #<4>[ 36.580484] vfs_write+0xe7/0x3b0 [ 35.768363] RAX: ffffffffffffffda RBX: 0000000000000004 RCX:<4>[ 36.590712] ksys_write+0x68/0xf0 00007f269d4c8240 # [ 35.776621] RDX: 0000000000000004 RSI: 0<4>[ 36.600902] do_syscall_64+0x30/0x40 0007f269d3ac000 RDI: 0000000000000001 # [ 35.784872] RBP: 000<4>[ 36.611415] entry_SYSCALL_64_after_hwframe+0x67/0xcc 0000000000004 R08: 00000000ffffffff R09: 0000000000000000 # [ <4>[ 36.623546] RIP: 0033:0x7fbdaca47240 35.793131] R10: 00007f269d3e94d0 R11: 0000000000000202 R12: 000<4>[ 36.634064] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89 07f269d3ac000 # [ 35.801391] R13: 0000000000000001 R14: 00000<4>[ 36.661532] RSP: 002b:00007ffc8caf3c98 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 00000020000 R15: 0000000000000000 # [ 35.809648] Modules link<4>[ 36.676521] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007fbdaca47240 ed in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_<4>[ 36.690983] RDX: 0000000000000008 RSI: 00007fbdac92b000 RDI: 0000000000000001 sensors_core industrialio_triggered_buffer kfifo_buf industriali<4>[ 36.705467] RBP: 0000000000000008 R08: 00000000ffffffff R09: 0000000000000000 o btusb btrtl btbcm btintel intel_pmc_core_pltdrv uvcvideo cros_<4>[ 36.719939] R10: 00007fbdac9684d0 R11: 0000000000000202 R12: 00007fbdac92b000 ec_sysfs videobuf2_vmalloc cros_ec_lightbar cros_ec_sensorhub cr<4>[ 36.734431] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 os_ec_debugfs cros_usbpd_charger videobuf2_memops cros_ec_charde<4>[ 36.748910] irq event stamp: 0 v cros_usbpd_logger intel_pmc_core videobuf2_v4l2 iTCO_wdt snd_s<4>[ 36.758825] hardirqs last enabled at (0): [<0000000000000000>] 0x0 oc_da7219 bluetooth watchdog snd_soc_max98927 processor_thermal_<4>[ 36.772362] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 device gsmi iwlmvm x86_pkg_temp_thermal cros_ec_dev intel_pmc_bx<4>[ 36.788013] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 t ecdh_generic videobuf2_common iwlwifi idma64 snd_soc_core ecc <4>[ 36.803655] softirqs last disabled at (0): [<0000000000000000>] 0x0 intel_soc_dts_iosf snd_compress snd_pcm_dmaengine regmap_i2c i2c<4>[ 36.817189] ---[ end trace 8025eed8b81a5aab ]--- _hid cros_usbpd_notify int3403_thermal int340x_thermal_zone pinctrl_sunrisepoint int3400_thermal acpi_thermal_rel cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 35.893043] gsmi: Log Shutdown Reason 0x03 # [ 35.897986] ---[ end trace 8025eed8b81a5aaa ]--- # [ 35.903464] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 35.908179] Code: 89 ff e8 5e ae 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 60 0e eb 03 # [ 35.929474] RSP: 0018:ffff9b6e8143be60 EFLAGS: 00010286 # [ 35.935676] RAX: ffffffffaf57fff0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 35.943985] RDX: 0000000000000000 RSI: ffff8ab27ac1bf50 RDI: ffffffffb1440670 # [ 35.952272] RBP: ffffffffb1936f68 R08: 0000000000000001 R09: 0000000000000001 # [ 35.960583] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 35.968886] R13: ffff9b6e8143bf10 R14: ffff9b6e8143bf10 R15: ffff8ab2086b3000 # [ 35.977181] FS: 00007f269d3cd740(0000) GS:ffff8ab27ac00000(0000) knlGS:0000000000000000 # [ 35.986543] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 35.993270] CR2: 00007f269d3ac000 CR3: 00000001062ce001 CR4: 00000000003706f0 # BUG: saw 'kernel BUG at': ok ok 2 selftests: lkdtm: BUG.sh # selftests: lkdtm: WARNING.sh # [ 36.144442] lkdtm: Performing direct entry WARNING # [ 36.154587] ------------[ cut here ]------------ # [ 36.166230] WARNING: CPU: 0 PID: 705 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x13/0x20 # [ 36.182178] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel intel_pmc_core_pltdrv uvcvideo cros_ec_sysfs videobuf2_vmalloc cros_ec_lightbar cros_ec_sensorhub cros_ec_debugfs cros_usbpd_charger videobuf2_memops cros_ec_chardev cros_usbpd_logger intel_pmc_core videobuf2_v4l2 iTCO_wdt snd_soc_da7219 bluetooth watchdog snd_soc_max98927 processor_therma<6>[ 37.028655] lkdtm: Performing direct entry WARNING_MESSAGE l_device gsmi iwlmvm x86_pkg_temp_thermal cros_ec_dev intel_pmc_<4>[ 37.035657] ------------[ cut here ]------------ bxt ecdh_generic videobuf2_common iwlwifi idma64 snd_soc_core ec<4>[ 37.047341] Warning message trigger count: 2 c intel_soc_dts_iosf snd_compress snd_pcm_dmaengine regmap_i2c i<4>[ 37.058666] WARNING: CPU: 1 PID: 742 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30 2c_hid cros_usbpd_notify int3403_thermal int340x_thermal_zone pi<4>[ 37.075321] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel intel_pmc_core_pltdrv uvcvideo cros_ec_sysfs videobuf2_vmalloc cros_ec_lightbar cros_ec_sensorhub cros_ec_debugfs cros_usbpd_charger videobuf2_memops cros_ec_chardev cros_usbpd_logger intel_pmc_core videobuf2_v4l2 iTCO_wdt snd_soc_da7219 bluetooth watchdog snd_soc_max98927 processor_thermal_device gsmi iwlmvm x86_pkg_temp_thermal cros_ec_dev intel_pmc_bxt ecdh_generic videobuf2_common iwlwifi idma64 snd_soc_core ecc intel_soc_dts_iosf snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify int3403_thermal int340x_thermal_zone pinctrl_sunrisepoint int3400_thermal acpi_thermal_rel cros_kbd_led_backlight chromeos_pstore coreboot_table nctrl_sunrisepoint int3400_thermal acpi_thermal_rel cros_kbd_led<4>[ 37.163009] CPU: 1 PID: 742 Comm: cat Tainted: G D W 5.10.216-cip47 #1 _backlight chromeos_pstore coreboot_table # [ 36.269872] CPU:<4>[ 37.178066] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 0 PID: 705 Comm: cat Tainted: G D W 5.10.216-cip47<4>[ 37.191379] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30 #1 # [ 36.284923] Hardware name: Google Rammus/Rammus, BIOS <4>[ 37.203528] Code: cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 41 0e eb 03 48 c7 c7 e8 05 8d b1 8d 70 01 89 35 31 0e eb 03 e8 96 26 69 00 <0f> 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 c7 09/04/2020 # [ 36.298242] RIP: 0010:lkdtm_WARNING+0x13/0x20 <4>[ 37.231017] RSP: 0018:ffff9b6e8151be60 EFLAGS: 00010286 # [ 36.309597] Code: c0 f4 ff ff ff eb c9 0f 1f 44 00 00 0f 0<4>[ 37.243381] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 60 0e eb 03 01<4>[ 37.257837] RDX: ffff8ab27acac620 RSI: ffff8ab27ac9bf50 RDI: ffff8ab27ac9bf50 75 05 c3 cc cc cc cc <0f> 0b c3 cc cc cc cc 66 0f 1f 44 00 00 0<4>[ 37.272311] RBP: ffffffffb18d008f R08: 0000000000000000 R09: 0000000000000000 f 1f 44 00 00 8b 05 41 0e # [ 36.337223] RSP: 0018:ffff9b6e81<4>[ 37.286788] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010 493e60 EFLAGS: 00010202 # [ 36.349497] RAX: ffffffffaf580000 <4>[ 37.301267] R13: ffff9b6e8151bf10 R14: ffff9b6e8151bf10 R15: ffff8ab208886000 RBX: 0000000000000002 RCX: 0000000000000000 # [ 36.364083] RD<4>[ 37.315745] FS: 00007fc975172740(0000) GS:ffff8ab27ac80000(0000) knlGS:0000000000000000 X: 0000000000000000 RSI: ffff8ab27ac1bf50 RDI: ffffffffb1440680 <4>[ 37.331292] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 36.378502] RBP: ffffffffb18d0087 R08: 0000000000000000 R0<4>[ 37.344219] CR2: 00007fc975151000 CR3: 0000000102722006 CR4: 00000000003706e0 9: 0000000000000000 # [ 36.393021] R10: 00000000ffffe000 R11:<4>[ 37.358697] Call Trace: 3fffffffffffffff R12: 0000000000000008 # [ 36.407537] R13: f<4>[ 37.367937] ? __warn+0x80/0x110 fff9b6e81493f10 R14: ffff9b6e81493f10 R15: ffff8ab2068d2000 # [<4>[ 37.378042] ? lkdtm_WARNING_MESSAGE+0x20/0x30 36.422021] FS: 00007fbdac94c740(0000) GS:ffff8ab27ac00000(00<4>[ 37.389511] ? report_bug+0x9e/0xc0 00) knlGS:0000000000000000 # [ 36.437548] CS: 0010 DS: 0000 <4>[ 37.399912] ? handle_bug+0x41/0x90 ES: 0000 CR0: 0000000080050033 # [ 36.450470] CR2: 00007fbdac<4>[ 37.410313] ? exc_invalid_op+0x14/0x70 92b000 CR3: 00000001069e4004 CR4: 00000000003706f0 # [ 36.465<4>[ 37.421098] ? asm_exc_invalid_op+0x12/0x20 034] Call Trace: # [ 36.474253] ? __warn+0x80/0x110 # [ 3<4>[ 37.432280] ? lkdtm_WARNING_MESSAGE+0x20/0x30 6.484405] ? lkdtm_WARNING+0x13/0x20 # [ 36.495055] ? report<4>[ 37.443745] direct_entry.cold+0x2c/0x38 _bug+0x9e/0xc0 # [ 36.505470] ? handle_bug+0x41/0x90 # [ <4>[ 37.454653] full_proxy_write+0x53/0x80 36.515849] ? exc_invalid_op+0x14/0x70 # [ 36.526659] ? asm_<4>[ 37.465442] vfs_write+0xe7/0x3b0 exc_invalid_op+0x12/0x20 # [ 36.537825] ? lkdtm_BUG+0x10/0x1<4>[ 37.475646] ksys_write+0x68/0xf0 0 # [ 36.548123] ? lkdtm_WARNING+0x13/0x20 # [ 36.558805]<4>[ 37.485850] do_syscall_64+0x30/0x40 direct_entry.cold+0x2c/0x38 # [ 36.569714] full_proxy_writ<4>[ 37.496346] entry_SYSCALL_64_after_hwframe+0x67/0xcc e+0x53/0x80 # [ 36.580484] vfs_write+0xe7/0x3b0 # [ 36.59<4>[ 37.508495] RIP: 0033:0x7fc97526d240 0712] ksys_write+0x68/0xf0 # [ 36.600902] do_syscall_64+0x3<4>[ 37.518992] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89 0/0x40 # [ 36.611415] entry_SYSCALL_64_after_hwframe+0x67/0x<4>[ 37.546485] RSP: 002b:00007ffd01e3acc8 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 cc # [ 36.623546] RIP: 0033:0x7fbdaca47240 # [ 36.634064] <4>[ 37.561450] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007fc97526d240 Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff f<4>[ 37.575928] RDX: 0000000000000010 RSI: 00007fc975151000 RDI: 0000000000000001 f ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f<4>[ 37.590405] RBP: 0000000000000010 R08: 00000000ffffffff R09: 0000000000000000 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 2<4>[ 37.604884] R10: 00007fc97518e4d0 R11: 0000000000000202 R12: 00007fc975151000 8 48 89 # [ 36.661532] RSP: 002b:00007ffc8caf3c98 EFLAGS: 000<4>[ 37.619362] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 00202 ORIG_RAX: 0000000000000001 # [ 36.676521] RAX: ffffffff<4>[ 37.633848] irq event stamp: 0 ffffffda RBX: 0000000000000008 RCX: 00007fbdaca47240 # [ 36.6<4>[ 37.643758] hardirqs last enabled at (0): [<0000000000000000>] 0x0 90983] RDX: 0000000000000008 RSI: 00007fbdac92b000 RDI: 00000000<4>[ 37.657268] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 00000001 # [ 36.705467] RBP: 0000000000000008 R08: 00000000ff<4>[ 37.672915] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 ffffff R09: 0000000000000000 # [ 36.719939] R10: 00007fbdac96<4>[ 37.688557] softirqs last disabled at (0): [<0000000000000000>] 0x0 84d0 R11: 0000000000000202 R12: 00007fbdac92b000 # [ 36.73443<4>[ 37.702064] ---[ end trace 8025eed8b81a5aac ]--- 1] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 # [ 36.748910] irq event stamp: 0 # [ 36.758825] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 36.772362] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 36.788013] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 36.803655] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 36.817189] ---[ end trace 8025eed8b81a5aab ]--- # WARNING: saw 'WARNING:': ok ok 3 selftests: lkdtm: WARNING.sh # selftests: lkdtm: WARNING_MESSAGE.sh # [ 37.028655] lkdtm: Performing direct entry WARNING_MESSAGE # [ 37.035657] ------------[ cut here ]------------ # [ 37.047341] Warning message trigger count: 2 # [ 37.058666] WARNING: CPU: 1 PID: 742 at drivers/<6>[ 37.793763] lkdtm: Performing direct entry EXCEPTION <1>[ 37.800371] BUG: kernel NULL pointer dereference, address: 0000000000000000 <1>[ 37.808442] #PF: supervisor write access in kernel mode <1>[ 37.814564] #PF: error_code(0x0002) - not-present page <6>[ 37.820590] PGD 0 P4D 0 <4>[ 37.823705] Oops: 0002 [#2] SMP PTI <4>[ 37.827886] CPU: 2 PID: 775 Comm: cat Tainted: G D W 5.10.216-cip47 #1 <4>[ 37.836729] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 37.843827] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20 <4>[ 37.849076] Code: 48 c7 c7 e8 05 8d b1 8d 70 01 89 35 31 0e eb 03 e8 96 26 69 00 0f 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 04 25 00 00 00 00 00 00 00 00 c3 cc cc cc cc 66 66 2e 0f 1f 84 <4>[ 37.870351] RSP: 0018:ffff9b6e815ebe60 EFLAGS: 00010286 <4>[ 37.876465] RAX: ffffffffaf580050 RBX: 0000000000000004 RCX: 0000000000000000 <4>[ 37.884723] RDX: 0000000000000000 RSI: ffff8ab27ad1bf50 RDI: ffffffffb14406a0 <4>[ 37.892983] RBP: ffffffffb17c346f R08: 0000000000000000 R09: 0000000000000000 <4>[ 37.901244] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a <4>[ 37.909503] R13: ffff9b6e815ebf10 R14: ffff9b6e815ebf10 R15: ffff8ab20285a000 <4>[ 37.917765] FS: 00007f09cbf57740(0000) GS:ffff8ab27ad00000(0000) knlGS:0000000000000000 <4>[ 37.927083] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 37.933790] CR2: 0000000000000000 CR3: 00000001028f4001 CR4: 00000000003706e0 <4>[ 37.942050] Call Trace: misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 37.0<4>[ 37.945074] ? __die_body.cold+0x1a/0x1f <4>[ 37.955950] ? no_context+0x177/0x380 <4>[ 37.960329] ? exc_page_fault+0x53/0x170 <4>[ 37.964997] ? asm_exc_page_fault+0x1e/0x30 <4>[ 37.969957] ? lkdtm_WARNING_MESSAGE+0x30/0x30 <4>[ 37.975198] ? lkdtm_EXCEPTION+0x5/0x20 <4>[ 37.979760] direct_entry.cold+0x2c/0x38 <4>[ 37.984421] full_proxy_write+0x53/0x80 <4>[ 37.988994] vfs_write+0xe7/0x3b0 <4>[ 37.992982] ksys_write+0x68/0xf0 <4>[ 37.996962] do_syscall_64+0x30/0x40 <4>[ 38.001241] entry_SYSCALL_64_after_hwframe+0x67/0xcc <4>[ 38.007162] RIP: 0033:0x7f09cc052240 <4>[ 38.011432] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89 <4>[ 38.032701] RSP: 002b:00007ffff8b113e8 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 <4>[ 38.041436] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f09cc052240 <4>[ 38.049692] RDX: 000000000000000a RSI: 00007f09cbf36000 RDI: 0000000000000001 <4>[ 38.057950] RBP: 000000000000000a R08: 00000000ffffffff R09: 0000000000000000 <4>[ 38.066209] R10: 00007f09cbf734d0 R11: 0000000000000202 R12: 00007f09cbf36000 <4>[ 38.074459] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 75321] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec<4>[ 38.082723] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel intel_pmc_core_pltdrv uvcvideo cros_ec_sysfs videobuf2_vmalloc cros_ec_lightbar cros_ec_sensorhub cros_ec_debugfs cros_usbpd_charger videobuf2_memops cros_ec_chardev cros_usbpd_logger intel_pmc_core videobuf2_v4l2 iTCO_wdt snd_soc_da7219 bluetooth watchdog snd_soc_max98927 processor_thermal_device gsmi iwlmvm x86_pkg_temp_thermal cros_ec_dev intel_pmc_bxt ecdh_generic videobuf2_common iwlwifi idma64 snd_soc_core ecc intel_soc_dts_iosf snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify int3403_thermal int340x_thermal_zone pinctrl_sunrisepoint int3400_thermal acpi_thermal_rel cros_kbd_led_backlight chromeos_pstore coreboot_table <4>[ 38.170449] CR2: 0000000000000000 <4>[ 38.174437] ---[ end trace 8025eed8b81a5aad ]--- <4>[ 38.179881] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 38.184549] Code: 89 ff e8 5e ae 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 60 0e eb 03 <4>[ 38.205814] RSP: 0018:ffff9b6e8143be60 EFLAGS: 00010286 <4>[ 38.211938] RAX: ffffffffaf57fff0 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 38.220197] RDX: 0000000000000000 RSI: ffff8ab27ac1bf50 RDI: ffffffffb1440670 <4>[ 38.228458] RBP: ffffffffb1936f68 R08: 0000000000000001 R09: 0000000000000001 <4>[ 38.236717] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 38.244977] R13: ffff9b6e8143bf10 R14: ffff9b6e8143bf10 R15: ffff8ab2086b3000 <4>[ 38.253237] FS: 00007f09cbf57740(0000) GS:ffff8ab27ad00000(0000) knlGS:0000000000000000 <4>[ 38.262565] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 38.269269] CR2: 0000000000000000 CR3: 00000001028f4001 CR4: 00000000003706e0 <3>[ 38.277528] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 38.287731] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 775, name: cat <4>[ 38.296379] INFO: lockdep is turned off. <4>[ 38.301045] irq event stamp: 0 <4>[ 38.304739] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 38.312028] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 38.321454] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 38.330878] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 38.338167] CPU: 2 PID: 775 Comm: cat Tainted: G D W 5.10.216-cip47 #1 <4>[ 38.347009] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 38.354104] Call Trace: <4>[ 38.357122] dump_stack+0x77/0x9b <4>[ 38.361109] ___might_sleep.cold+0xa6/0xb6 <4>[ 38.365972] exit_signals+0x1c/0x300 <4>[ 38.370251] do_exit+0xc2/0xab0 <4>[ 38.374046] ? ksys_write+0x68/0xf0 <4>[ 38.378230] make_task_dead+0x2f/0x30 <4>[ 38.382623] rewind_stack_and_make_dead+0x17/0x20 _lid_angle cros_ec_sensors_core industrialio_triggered_buffer kf<4>[ 38.388175] RIP: 0033:0x7f09cc052240 <4>[ 38.398685] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89 <4>[ 38.419958] RSP: 002b:00007ffff8b113e8 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 <4>[ 38.428704] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f09cc052240 <4>[ 38.436964] RDX: 000000000000000a RSI: 00007f09cbf36000 RDI: 0000000000000001 <4>[ 38.445223] RBP: 000000000000000a R08: 00000000ffffffff R09: 0000000000000000 <4>[ 38.453481] R10: 00007f09cbf734d0 R11: 0000000000000202 R12: 00007f09cbf36000 <4>[ 38.461741] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 ifo_buf industrialio btusb btrtl btbcm btintel intel_pmc_core_pltdrv uvcvideo cros_ec_sysfs videobuf2_vmalloc cros_ec_lightbar cros_ec_sensorhub cros_ec_debugfs cros_usbpd_charger videobuf2_memops cros_ec_chardev cros_usbpd_logger intel_pmc_core videobuf2_v4l2 iTCO_wdt snd_soc_da7219 bluetooth watchdog snd_soc_max98927 processor_thermal_device gsmi iwlmvm x86_pkg_temp_thermal cros_ec_dev intel_pmc_bxt ecdh_generic videobuf2_common iwlwifi idma64 snd_soc_core ecc intel_soc_dts_iosf snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify int3403_thermal int340x_thermal_zone pinctrl_sunrisepoint int3400_thermal acpi_thermal_rel cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 37.163009] CPU: 1 PID: 742 Comm: cat Tainted: G D W 5.10.216-cip47 #1 # [ 37.178066] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 37.191379] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 37.203528] Code: cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 41 0e eb 03 48 c7 c7 e8 05 8d b1 8d 70 01 89 35 31 0e eb 03 e8 96 26 69 00 <0f> 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 c7 # [ 37.231017] RSP: 0018:ffff9b6e8151be60 EFLAGS: 00010286 # [ 37.243381] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 # [ 37.257837] RDX: ffff8ab27acac620 RSI: ffff8ab27ac9bf50 RDI: ffff8ab27ac9bf50 # [ 37.272311] RBP: ffffffffb18d008f R08: 0000000000000000 R09: 0000000000000000 # [ 37.286788] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010 # [ 37.301267] R13: ffff9b6e8151bf10 R14: ffff9b6e8151bf10 R15: ffff8ab208886000 # [ 37.315745] FS: 00007fc975172740(0000) GS:ffff8ab27ac80000(0000) knlGS:0000000000000000 # [ 37.331292] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 37.344219] CR2: 00007fc975151000 CR3: 0000000102722006 CR4: 00000000003706e0 # [ 37.358697] Call Trace: # [ 37.367937] ? __warn+0x80/0x110 # [ 37.378042] ? lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 37.389511] ? report_bug+0x9e/0xc0 # [ 37.399912] ? handle_bug+0x41/0x90 # [ 37.410313] ? exc_invalid_op+0x14/0x70 # [ 37.421098] ? asm_exc_invalid_op+0x12/0x20 # [ 37.432280] ? lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 37.443745] direct_entry.cold+0x2c/0x38 # [ 37.454653] full_proxy_writ<6>[ 38.689048] lkdtm: Performing direct entry CORRUPT_LIST_ADD <6>[ 38.700312] lkdtm: attempting good list addition e+0x53/0x80 # [ 37.465442] vfs_write+0xe7/0x3b0 # [ 37.47<6>[ 38.705790] lkdtm: attempting corrupted list addition <3>[ 38.717929] lkdtm: list_add() corruption not detected! 5646] ksys_write+0x68/0xf0 # [ 37.485850] do_syscall_64+0x30/0x40 # [ 37.496346] entry_SYSCALL_64_after_hwframe+0x67/0xcc # [ 37.508495] RIP: 0033:0x7fc97526d240 # [ 37.518992] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89 # [ 37.546485] RSP: 002b:00007ffd01e3acc8 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 # [ 37.561450] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007fc97526d240 # [ 37.575928] RDX: 0000000000000010 RSI: 00007fc975151000 RDI: 0000000000000001 # [ 37.590405] RBP: 0000000000000010 R08: 00000000ffffffff R09: 0000000000000000 # [ 37.604884] R10: 00007fc97518e4d0 R11: 0000000000000202 R12: 00007fc975151000 # [ 37.61936<6>[ 38.798821] lkdtm: Performing direct entry CORRUPT_LIST_DEL <6>[ 38.811310] lkdtm: attempting good list removal <6>[ 38.816669] lkdtm: attempting corrupted list removal 2] R13: 0000000000000001 R14: 0000000000020000 R15: 000000000000<3>[ 38.822533] lkdtm: list_del() corruption not detected! 0000 # [ 37.633848] irq event stamp: 0 # [ 37.643758] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 37.657268] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 37.672915] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 37.688557] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 37.702064] ---[ end trace 8025eed8b81a5aac ]--- # WARNING_MESSAGE: saw 'message trigger': ok ok 4 selftests: lkdtm: WARNING_MESSAGE.sh # selftests: lkdtm: EXCEPTION.sh # Killed # [ 37.793763] lkdtm: Performing direct entry EXCEPTION # [ 37.800371] BUG: kernel NULL pointer dereference, address: 0000000000000000 # [ 37.808442] #PF: supervisor write access in kernel mode # [ 37.814564] #PF: error_code(0x0002) - not-present page # [ 37.820590] PGD 0 P4D 0 # [ 37.823705] Oops: 0002 [#2] SMP PTI # [ 37.827886] CPU: 2 PID: 775 Comm: cat Tainted: G D W 5.10.216-cip47 #1 # [ 37.836729] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 37.843827] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20 # [ 37.849076] Code: 48 c7 c7 e8 05 8d b1 8d 70 01 89 35 31 0e eb 03 e8 96 26 69 00 0f 0b c<6>[ 38.948826] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING 3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 04 <6>[ 38.960200] lkdtm: attempting bad read from page below current stack 25 00 00 00 00 00 00 00 00 c3 cc cc cc cc 66 66 2e 0f 1f 84 # [<0>[ 38.973812] BUG: stack guard page was hit at 00000000620f58b7 (stack is 00000000fc5308ca..000000004f6b64ae) <4>[ 38.991160] kernel stack overflow (page fault): 0000 [#3] SMP PTI <4>[ 38.998249] CPU: 0 PID: 1007 Comm: cat Tainted: G D W 5.10.216-cip47 #1 <4>[ 39.007180] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 39.014278] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a <4>[ 39.021088] Code: cc cc cc 0f 1f 44 00 00 53 48 c7 c7 88 09 8d b1 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 8a dd fb ff 48 c7 c7 c8 09 8d b1 <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 70 dd fb ff 0f 1f 44 <4>[ 39.042364] RSP: 0018:ffff9b6e8193be50 EFLAGS: 00010246 <4>[ 39.048490] RAX: 0000000000000038 RBX: ffff9b6e81938000 RCX: 0000000000000000 <4>[ 39.056753] RDX: 0000000000000000 RSI: ffff8ab27ac1bf50 RDI: ffffffffb18d09c8 <4>[ 39.065014] RBP: ffffffffb18d00f2 R08: 0000000000000000 R09: 0000000000000000 <4>[ 39.073275] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019 <4>[ 39.081535] R13: ffff9b6e8193bf10 R14: ffff9b6e8193bf10 R15: ffff8ab202aa1000 <4>[ 39.089797] FS: 00007f44e88c4740(0000) GS:ffff8ab27ac00000(0000) knlGS:0000000000000000 <4>[ 39.099126] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 39.105833] CR2: ffff9b6e81937fff CR3: 0000000106a60005 CR4: 00000000003706f0 <4>[ 39.114094] Call Trace: <4>[ 39.117110] <#DF> <4>[ 39.119643] ? __die_body.cold+0x1a/0x1f <4>[ 39.124319] ? die+0x2b/0x50 <4>[ 39.127828] ? handle_stack_overflow+0x3e/0x4d <4>[ 39.133080] ? no_context+0x24d/0x380 <4>[ 39.137446] <4>[ 39.140074] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel intel_pmc_core_pltdrv uvcvideo cros_ec_sysfs videobuf2_vmalloc cros_ec_lightbar cros_ec_sensorhub cros_ec_debugfs cros_usbpd_charger videobuf2_memops cros_ec_chardev cros_usbpd_logger intel_pmc_core videobuf2_v4l2 iTCO_wdt snd_soc_da7219 bluetooth watchdog snd_soc_max98927 processor_thermal_device gsmi iwlmvm x86_pkg_temp_thermal cros_ec_dev intel_pmc_bxt ecdh_generic videobuf2_common iwlwifi idma64 snd_soc_core ecc intel_soc_dts_iosf snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify int3403_thermal int340x_thermal_zone pinctrl_sunrisepoint int3400_thermal acpi_thermal_rel cros_kbd_led_backlight chromeos_pstore coreboot_table <4>[ 39.221625] ---[ end trace 8025eed8b81a5aae ]--- <4>[ 39.227078] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 39.231737] Code: 89 ff e8 5e ae 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 60 0e eb 03 <4>[ 39.253012] RSP: 0018:ffff9b6e8143be60 EFLAGS: 00010286 <4>[ 39.259138] RAX: ffffffffaf57fff0 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 39.267399] RDX: 0000000000000000 RSI: ffff8ab27ac1bf50 RDI: ffffffffb1440670 <4>[ 39.275660] RBP: ffffffffb1936f68 R08: 0000000000000001 R09: 0000000000000001 <4>[ 39.283921] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 39.292183] R13: ffff9b6e8143bf10 R14: ffff9b6e8143bf10 R15: ffff8ab2086b3000 <4>[ 39.300444] FS: 00007f44e88c4740(0000) GS:ffff8ab27ac00000(0000) knlGS:0000000000000000 <4>[ 39.309774] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 39.316480] CR2: ffff9b6e81937fff CR3: 0000000106a60005 CR4: 00000000003706f0 <3>[ 39.324742] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 39.334938] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1007, name: cat <4>[ 39.343689] INFO: lockdep is turned off. <4>[ 39.348356] irq event stamp: 0 <4>[ 39.352054] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 39.359344] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 39.368770] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 39.378194] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 39.385485] CPU: 0 PID: 1007 Comm: cat Tainted: G D W 5.10.216-cip47 #1 <4>[ 39.394416] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 39.401509] Call Trace: <4>[ 39.404528] dump_stack+0x77/0x9b <4>[ 39.408524] ___might_sleep.cold+0xa6/0xb6 <4>[ 39.413388] exit_signals+0x1c/0x300 <4>[ 39.417682] do_exit+0xc2/0xab0 <4>[ 39.421478] ? ksys_write+0x68/0xf0 <4>[ 39.425676] make_task_dead+0x2f/0x30 <4>[ 39.430046] rewind_stack_and_make_dead+0x17/0x20 <4>[ 39.435587] RIP: 0033:0x7f44e89bf240 <4>[ 39.439867] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89 <4>[ 39.461141] RSP: 002b:00007ffd7709f6c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 <4>[ 39.469888] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007f44e89bf240 <4>[ 39.478149] RDX: 0000000000000019 RSI: 00007f44e88a3000 RDI: 0000000000000001 <4>[ 39.486408] RBP: 0000000000000019 R08: 00000000ffffffff R09: 0000000000000000 <4>[ 39.494677] R10: 00007f44e88e04d0 R11: 0000000000000202 R12: 00007f44e88a3000 <4>[ 39.502936] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 37.870351] RSP: 0018:ffff9b6e815ebe60 EFLAGS: 00010286 # [ 37.876465] RAX: ffffffffaf580050 RBX: 0000000000000004 RCX: 0000000000000000 # [ 37.884723] RDX: 0000000000000000 RSI: ffff8ab27ad1bf50 RDI: ffffffffb14406a0 # [ 37.892983] RBP: ffffffffb17c346f R08: 0000000000000000 R09: 0000000000000000 # [ 37.901244] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 37.909503] R13: ffff9b6e815ebf10 R14: ffff9b6e815ebf10 R15: ffff8ab20285a000 # [ 37.917765] FS: 00007f09cbf57740(0000) GS:ffff8ab27ad00000(0000) knlGS:0000000000000000 # [ 37.927083] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 37.933790] CR2: 0000000000000000 CR3: 00000001028f4001 CR4: 00000000003706e0 # [ 37.942050] Call Trace: # [ 37.945074] ? __die_body.cold+0x1a/0x1f # [ 37.955950] ? no_context+0x177/0x380 # [ 37.960329] ? exc_page_fault+0x53/0x170 # [ 37.964997] ? asm_exc_page_fault+0x1e/0x30 # [ 37.969957] ? lkdtm_WARNING_MESSAGE+0x30/0x30 # [ 37.975198] ? lkdtm_EXCEPTION+0x5/0x20 # [ 37.979760] direct_entry.cold+0x2c/0x38 # [ 37.984421] full_proxy_write+0x53/0x80 # [ 37.988994] vfs_write+0xe7/0x3b0 # [ 37.992982] ksys_write+0x68/0xf0 # [ 37.996962] do_syscall_64+0x30/0x40 # [ 38.001241] entry_SYSCALL_64_after_hwframe+0x67/0xcc # [ 38.007162] RIP: 0033:0x7f09cc052240 # [ 38.011432] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 <6>[ 39.651372] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING <6>[ 39.661579] lkdtm: attempting bad read from page above current stack <0>[ 39.668982] BUG: stack guard page was hit at 00000000b3db8bde (stack is 000000005fe4818c..00000000c1872de2) <4>[ 39.680166] kernel stack overflow (page fault): 0000 [#4] SMP PTI <4>[ 39.687264] CPU: 3 PID: 1041 Comm: cat Tainted: G D W 5.10.216-cip47 #1 <4>[ 39.696203] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 39.703300] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILING+0x27/0x3d <4>[ 39.710202] Code: dd fb ff 0f 1f 44 00 00 53 48 c7 c7 00 0a 8d b1 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 50 dd fb ff 48 c7 c7 40 0a 8d b1 <8a> 83 00 40 00 00 88 44 24 07 0f b6 74 24 07 5a 5b e9 33 dd fb ff <4>[ 39.731474] RSP: 0018:ffff9b6e819e3e50 EFLAGS: 00010246 <4>[ 39.737599] RAX: 0000000000000038 RBX: ffff9b6e819e0000 RCX: 0000000000000000 <4>[ 39.745860] RDX: 0000000000000000 RSI: ffff8ab27ad9bf50 RDI: ffffffffb18d0a40 <4>[ 39.754135] RBP: ffffffffb18d010b R08: 0000000000000000 R09: 0000000000000000 <4>[ 39.762397] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001a <4>[ 39.770656] R13: ffff9b6e819e3f10 R14: ffff9b6e819e3f10 R15: ffff8ab2089cd000 <4>[ 39.778936] FS: 00007f317579b740(0000) GS:ffff8ab27ad80000(0000) knlGS:0000000000000000 <4>[ 39.788264] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 39.794968] CR2: ffff9b6e819e4000 CR3: 0000000107544004 CR4: 00000000003706e0 <4>[ 39.803227] Call Trace: <4>[ 39.806244] <#DF> <4>[ 39.808776] ? __die_body.cold+0x1a/0x1f <4>[ 39.813446] ? die+0x2b/0x50 <4>[ 39.816948] ? handle_stack_overflow+0x3e/0x4d <4>[ 39.822200] ? no_context+0x24d/0x380 <4>[ 39.826576] 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58<4>[ 39.829204] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel intel_pmc_core_pltdrv uvcvideo cros_ec_sysfs videobuf2_vmalloc cros_ec_lightbar cros_ec_sensorhub cros_ec_debugfs cros_usbpd_charger videobuf2_memops cros_ec_chardev cros_usbpd_logger intel_pmc_core videobuf2_v4l2 iTCO_wdt snd_soc_da7219 bluetooth watchdog snd_soc_max98927 processor_thermal_device gsmi iwlmvm x86_pkg_temp_thermal cros_ec_dev intel_pmc_bxt ecdh_generic videobuf2_common iwlwifi idma64 snd_soc_core ecc intel_soc_dts_iosf snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify int3403_thermal int340x_thermal_zone pinctrl_sunrisepoint int3400_thermal acpi_thermal_rel cros_kbd_led_backlight chromeos_pstore coreboot_table <4>[ 39.916936] ---[ end trace 8025eed8b81a5aaf ]--- <4>[ 39.922374] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 39.927040] Code: 89 ff e8 5e ae 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 60 0e eb 03 <4>[ 39.948314] RSP: 0018:ffff9b6e8143be60 EFLAGS: 00010286 <4>[ 39.954430] RAX: ffffffffaf57fff0 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 39.962682] RDX: 0000000000000000 RSI: ffff8ab27ac1bf50 RDI: ffffffffb1440670 <4>[ 39.970941] RBP: ffffffffb1936f68 R08: 0000000000000001 R09: 0000000000000001 <4>[ 39.979202] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 39.987462] R13: ffff9b6e8143bf10 R14: ffff9b6e8143bf10 R15: ffff8ab2086b3000 <4>[ 39.995721] FS: 00007f317579b740(0000) GS:ffff8ab27ad80000(0000) knlGS:0000000000000000 <4>[ 40.005049] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 40.011757] CR2: ffff9b6e819e4000 CR3: 0000000107544004 CR4: 00000000003706e0 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89 # [ 38.032701] RSP: 002b:00007ffff8b113e8 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 # [ 38.041436] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f09cc052240 # [ 38.049692] RDX: 000000000000000a RSI: 00007f09cbf36000 RDI: 0000000000000001 # [ 38.057950] RBP: 000000000000000a R08: 00000000ffffffff R09: 0000000000000000 # [ 38.066209] R10: 00007f09cbf734d0 R11: 0000000000000202 R12: 00007f09cbf36000 # [ 38.074459] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 # [ 38.082723] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel intel_pmc_core_pltdrv uvcvideo cros_ec_sysfs videobuf2_vmalloc cros_ec_lightbar cros_ec_sensorhub cros_ec_debugfs cros_usbpd_charger videobuf2_memops cros_ec_chardev cros_usbpd_logger intel_pmc_core videobuf2_v4l2 iTCO_wdt snd_soc_da7219 bluetooth watchdog snd_soc_max98927 processor_thermal_device gsmi iwlmvm x86_pkg_temp_thermal cros_ec_dev intel_pmc_bxt ecdh_generic videobuf2_common iwlwifi idma64 snd_soc_cor<6>[ 40.125795] lkdtm: Performing direct entry UNSET_SMEP <6>[ 40.137890] lkdtm: trying to clear SMEP normally <4>[ 40.143394] ------------[ cut here ]------------ e ecc intel_soc_dts_iosf snd_compress snd_pcm_dmaengine regmap_i<4>[ 40.148883] pinned CR4 bits changed: 0x100000!? 2c i2c_hid cros_usbpd_notify int3403_thermal int340x_thermal_zon<4>[ 40.160446] WARNING: CPU: 3 PID: 1079 at arch/x86/kernel/cpu/common.c:396 native_write_cr4+0x45/0x60 e pinctrl_sunrisepoint int3400_thermal acpi_thermal_rel cros_kbd<4>[ 40.177146] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel intel_pmc_core_pltdrv uvcvideo cros_ec_sysfs videobuf2_vmalloc cros_ec_lightbar cros_ec_sensorhub cros_ec_debugfs cros_usbpd_charger videobuf2_memops cros_ec_chardev cros_usbpd_logger intel_pmc_core videobuf2_v4l2 iTCO_wdt snd_soc_da7219 bluetooth watchdog snd_soc_max98927 processor_thermal_device gsmi iwlmvm x86_pkg_temp_thermal cros_ec_dev intel_pmc_bxt ecdh_generic videobuf2_common iwlwifi idma64 snd_soc_core ecc intel_soc_dts_iosf snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify int3403_thermal int340x_thermal_zone pinctrl_sunrisepoint int3400_thermal acpi_thermal_rel cros_kbd_led_backlight chromeos_pstore coreboot_table <4>[ 40.264910] CPU: 3 PID: 1079 Comm: cat Tainted: G D W 5.10.216-cip47 #1 _led_backlight chromeos_pstore coreboot_table # [ 38.170449] <4>[ 40.273871] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 40.287175] RIP: 0010:native_write_cr4+0x45/0x60 CR2: 0000000000000000 # [ 38.174437] ---[ end trace 8025eed8b<4>[ 40.292625] Code: 39 c2 75 2d 48 85 f6 75 05 c3 cc cc cc cc 80 3d 08 63 46 03 00 75 f2 48 c7 c7 10 d5 7c b1 c6 05 f8 62 46 03 01 e8 81 02 15 01 <0f> 0b c3 cc cc cc cc 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09 <4>[ 40.320121] RSP: 0018:ffff9b6e81a8be48 EFLAGS: 00010286 <4>[ 40.326282] RAX: 0000000000000000 RBX: 00000000002706e0 RCX: 0000000000000000 <4>[ 40.334548] RDX: ffff8ab27adac620 RSI: ffff8ab27ad9bf50 RDI: ffff8ab27ad9bf50 <4>[ 40.342813] RBP: ffffffffb18d0125 R08: 0000000000000000 R09: 0000000000000000 <4>[ 40.351078] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b <4>[ 40.359344] R13: ffff9b6e81a8bf10 R14: ffff9b6e81a8bf10 R15: ffff8ab20534c000 <4>[ 40.367629] FS: 00007fb98ee7e740(0000) GS:ffff8ab27ad80000(0000) knlGS:0000000000000000 81a5aad ]--- # [ 38.179881] RIP: 0010:lkdtm_BUG+0x5/0x10 # [<4>[ 40.376974] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 40.389895] CR2: 00007fb98ee5d000 CR3: 00000001069bc001 CR4: 00000000003706e0 <4>[ 40.398160] Call Trace: <4>[ 40.401187] ? __warn+0x80/0x110 <4>[ 40.405111] ? native_write_cr4+0x45/0x60 <4>[ 40.409884] ? report_bug+0x9e/0xc0 <4>[ 40.414104] ? handle_bug+0x41/0x90 <4>[ 40.418321] ? exc_invalid_op+0x14/0x70 <4>[ 40.422919] ? asm_exc_invalid_op+0x12/0x20 <4>[ 40.427886] ? native_write_cr4+0x45/0x60 <4>[ 40.432695] ? native_write_cr4+0x45/0x60 <4>[ 40.437464] lkdtm_UNSET_SMEP.cold+0x1d/0x103 <4>[ 40.442653] direct_entry.cold+0x2c/0x38 <4>[ 40.447357] full_proxy_write+0x53/0x80 <4>[ 40.451964] vfs_write+0xe7/0x3b0 <4>[ 40.455989] ksys_write+0x68/0xf0 <4>[ 40.460014] do_syscall_64+0x30/0x40 <4>[ 40.464332] entry_SYSCALL_64_after_hwframe+0x67/0xcc <4>[ 40.470297] RIP: 0033:0x7fb98ef79240 <4>[ 40.474583] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89 <4>[ 40.495894] RSP: 002b:00007fffcd52e508 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 <4>[ 40.504648] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007fb98ef79240 <4>[ 40.512920] RDX: 000000000000000b RSI: 00007fb98ee5d000 RDI: 0000000000000001 <4>[ 40.521189] RBP: 000000000000000b R08: 00000000ffffffff R09: 0000000000000000 <4>[ 40.529455] R10: 00007fb98ee9a4d0 R11: 0000000000000202 R12: 00007fb98ee5d000 <4>[ 40.537722] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 <4>[ 40.545993] irq event stamp: 0 38.184549] Code: 89 ff e8 5e ae 79 ff 48 c7 c0 ea ff ff ff eb<4>[ 40.549724] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 40.563227] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb <4>[ 40.572658] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00<4>[ 40.588300] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 40.601813] ---[ end trace 8025eed8b81a5ab0 ]--- <6>[ 40.607291] lkdtm: ok: SMEP did not get cleared <6>[ 40.612644] lkdtm: trying to clear SMEP with call gadget <6>[ 40.618876] lkdtm: ok: SMEP removal was reverted 00 83 05 60 0e eb 03 # [ 38.205814] RSP: 0018:ffff9b6e8143be60 EFLAGS: 00010286 # [ 38.211938] RAX: ffffffffaf57fff0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 38.220197] RDX: 0000000000000000 RSI: ffff8ab27ac1bf50 RDI: ffffffffb1440670 # [ 38.228458] RBP: ffffffffb1936f68 R08: 0000000000000001 R09: 0000000000000001 # [ 38.236717] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 38.244977] R13: ffff9b6e8143bf10 R14: ffff9b6e8143bf10 R15: ffff8ab2086b3000 # [ 38.253237] FS: 00007f09cbf57740(0000) GS:ffff8ab27ad00000(0000) knlGS:0000000000000000 # [ 38.262565] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 38.269269] CR2: 0000000000000000 CR3: 00000001028f4001 CR4: 00000000003706e0 # [ 38.277528] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 38.287731] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 775, name: cat # [ 38.296379] INFO: lockdep is turned off. # [ 38.301045] irq event stamp: 0 # [ 38.304739] hardirqs last enabled at (0): [<0000000000<6>[ 40.726589] lkdtm: Performing direct entry DOUBLE_FAULT 000000>] 0x0 # [ 38.312028] hardirqs last disabled at (0): [<<3>[ 40.736160] lkdtm: XFAIL: this test is ia32-only ffffffffaeafde5c>] copy_process+0x65c/0x20e0 # [ 38.321454] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 38.330878] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 38.338167] CPU: 2 PID: 775 Comm: cat Tainted: G D W 5.10.216-cip47 #1 # [ 38.347009] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 38.354104] Call Trace: # [ 38.357122] dump_stack+0x77/0x9b # [ 38.361109] ___might_sleep.cold+0xa6/0xb6 # [ 38.365972] exit_signals+0x1c/0x300 # [ 38.370251] do_exit+0xc2/0xab0 # [ 38.374046] ? ksys_write+0x68/0xf0 # [ 38.378230] make_task_dead+0x2f/0x30 # [ 38.382623] rewind_stack_and_make_dead+0x17/0x20 # [ 38.388175] RIP: 0033:0x7f09cc052240 # [ 38.398685] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89 # [ 38.419958] RSP: 002b:00007ffff8b113e8 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 # [ 38.428704] R<6>[ 40.852062] lkdtm: Performing direct entry CORRUPT_PAC AX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f09cc052240<3>[ 40.859591] lkdtm: XFAIL: this test is arm64-only # [ 38.436964] RDX: 000000000000000a RSI: 00007f09cbf36000 RDI: 0000000000000001 # [ 38.445223] RBP: 000000000000000a R08: 00000000ffffffff R09: 0000000000000000 # [ 38.453481] R10: 00007f09cbf734d0 R11: 0000000000000202 R12: 00007f09cbf36000 # [ 38.461741] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 # EXCEPTION: saw 'call trace:': ok ok 5 selftests: lkdtm: EXCEPTION.sh # selftests: lkdtm: LOOP.sh # Skipping LOOP: Hangs the system ok 6 selftests: lkdtm: LOOP.sh # SKIP # selftests: lkdtm: EXHAUST_STACK.sh # Skipping EXHAUST_STACK: Corrupts memory on failure ok 7 selftests: lkdtm: EXHAUST_STACK.sh # SKIP # selftests: lkdtm: CORRUPT_STACK.sh # Skipping CORRUPT_STACK: Crashes entire system on success ok 8 selftests: lkdtm: CORRUPT_STACK.sh # SKIP # selftests: lkdtm: CORRUPT_STACK_STRONG.sh # Skipping CORRUPT_STACK_STRONG: Crashes entire system on success ok 9 selftests: lkdtm: CORRUPT_STACK_STRONG.sh # SKIP # selftests: lkdtm: CORRUPT_LIST_ADD.sh # [ 38.689048] lkdtm: Performing direct entry CORRUPT_LIST_ADD # [ 38.700312] lkdtm: attempting good list addition # [ 38.705790] lkdtm: attempting corrupted list addition # [ 38.717929] lkdtm: lis<6>[ 40.985408] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE t_add() corruption not detected! # CORRUPT_LIST_ADD: missing 'l<3>[ 40.996932] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS ist_add corruption': [FAIL] not ok 10 selftests: lkdtm: CORRUPT_LIST_ADD.sh # exit=1 # selftests: lkdtm: CORRUPT_LIST_DEL.sh # [ 38.798821] lkdtm: Performing direct entry CORRUPT_LIST_DEL # [ 38.811310] lkdtm: attempting good list removal # [ 38.816669] lkdtm: attempting corrupted list removal # [ 38.822533] lkdtm: list_del() corruption not detected! # CORRUPT_LIST_DEL: missing 'list_del corruption': [FAIL] not ok 11 selftests: lkdtm: CORRUPT_LIST_DEL.sh # exit=1 # selftests: lkdtm: STACK_GUARD_PAGE_LEADING.sh # Segmentation fault # [ 38.948826] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING # [ 38.960200] lkdtm: attempting bad read from page below current stack # [ 38.973812] BUG: stack guard page was hit at 00000000620f58b7 (stack is 00000000fc5308ca..000000004f6b64ae) # [ 38.991160] kernel stack overflow (page fault): 0000 [#3] SMP PTI # [ 38.998249] CPU: 0 PID: 1007 Comm: cat Tainted: G D W 5.10.216-cip47 #1 # [ 39.007180] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 39.014278] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a # [ 39.021088] Code: cc cc cc 0f 1f 44 00 00 53 48 c7 c7 88 09 8d b1 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 8a dd fb ff 48 c7 c7 c8 09 8d b1 <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 70 dd fb ff 0f 1f 44 # [ 39.042364] RSP: 0018:ffff9b6e8193be50 EFLAGS: 00010246 # [ 39.048490] RAX: 0000000000000038 RBX: ffff9b6e81938000 RCX: 0000000000000000 # [ 39.056753] RDX: 0000000000000000 RSI: ffff8ab27ac1bf50 RDI: ffffffffb18d09c8 # [ 39.065014] RBP: ffffffffb18d00f2 R08: 0000000000000000 R09: 0000000000000000 # [ 39.073275] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019 # [ 39.081535] R13: ffff9b6e8193bf10 R14: ffff9b6e8<6>[ 41.183827] lkdtm: Performing direct entry READ_AFTER_FREE <6>[ 41.191471] lkdtm: Value in memory before free: 12345678 <6>[ 41.197707] lkdtm: Attempting bad read from freed memory <6>[ 41.203937] lkdtm: Memory was not poisoned 193bf10 R15: ffff8ab202aa1000 # [ 39.089797] FS: 00007f44e88c4740(0000) GS:ffff8ab27ac00000(0000) knlGS:0000000000000000 # [ 39.099126] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 39.105833] CR2: ffff9b6e81937fff CR3: 0000000106a60005 CR4: 00000000003706f0 # [ 39.114094] Call Trace: # [ 39.117110] <#DF> # [ 39.119643] ? __die_body.cold+0x1a/0x1f # [ 39.124319] ? die+0x2b/0x50 # [ 39.127828] ? handle_stack_overflow+0x3e/0x4d # [ 39.133080] ? no_context+0x24d/0x380 # [ 39.137446] # [ 39.140074] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel intel_pmc_core_pltdrv uvcvideo cros_ec_sysfs videobuf2_vmalloc cros_ec_lightbar cros_ec_sensorhub cros_ec_debugfs cros_usbpd_charger videobuf2_memops cros_ec_chardev cros_usbpd_logger intel_pmc_core videobuf2_v4l2 iTCO_wdt snd_soc_da7219 bluetooth watchdog snd_soc_max98927 processor_thermal_device gsmi iwlmvm x86_pkg_temp_thermal cros_ec_dev intel_pmc_bxt ecdh_generic videobuf2_common iwlwifi idma64 snd_soc_core ecc intel_soc_dts_iosf snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify int3403_thermal int340x_thermal_zone pinctrl_sunrisepoint int3400_thermal acpi_thermal_rel cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 39.221625] ---[ end trace 8025eed8b81a5aae ]--- # [ 39.227078] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 39.231737] Code: 89 ff e8 5e ae 79 ff 48 c7 c0 ea ff<6>[ 41.352720] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE <6>[ 41.365069] lkdtm: Value in memory before free: 12345678 <6>[ 41.371303] lkdtm: Attempting to read from freed memory ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff <6>[ 41.377462] lkdtm: Buddy page was not poisoned ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 60 0e eb 03 # [ 39.253012] RSP: 0018:ffff9b6e8143be60 EFLAGS: 00010286 # [ 39.259138] RAX: ffffffffaf57fff0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 39.267399] RDX: 0000000000000000 RSI: ffff8ab27ac1bf50 RDI: ffffffffb1440670 # [ 39.275660] RBP: ffffffffb1936f68 R08: 0000000000000001 R09: 0000000000000001 # [ 39.283921] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 39.292183] R13: ffff9b6e8143bf10 R14: ffff9b6e8143bf10 R15: ffff8ab2086b3000 # [ 39.300444] FS: 00007f44e88c4740(0000) GS:ffff8ab27ac00000(0000) knlGS:0000000000000000 # [ 39.309774] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 39.316480] CR2: ffff9b6e81937fff CR3: 0000000106a60005 CR4: 00000000003706f0 # [ 39.324742] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 39.334938] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1007, name: cat # [ 39.343689] INFO: lockdep is turned off. # [ 39.348356] irq ev<6>[ 41.493810] lkdtm: Performing direct entry SLAB_FREE_DOUBLE ent stamp: 0 # [ 39.352054] hardirqs last enabled at (0): [<<6>[ 41.501153] lkdtm: Attempting double slab free ... 0000000000000000>] 0x0 # [ 39.359344] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 39.368770] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 39.378194] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 39.385485] CPU: 0 PID: 1007 Comm: cat Tainted: G D W 5.10.216-cip47 #1 # [ 39.394416] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 39.401509] Call Trace: # [ 39.404528] dump_stack+0x77/0x9b # [ 39.408524] ___might_sleep.cold+0xa6/0xb6 # [ 39.413388] exit_signals+0x1c/0x300 # [ 39.417682] do_exit+0xc2/0xab0 # [ 39.421478] ? ksys_write+0x68/0xf0 # [ 39.425676] make_task_dead+0x2f/0x30 # [ 39.430046] rewind_stack_and_make_dead+0x17/0x20 # [ 39.435587] RIP: 0033:0x7f44e89bf240 # [ 39.439867] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80<6>[ 41.607564] lkdtm: Performing direct entry SLAB_FREE_CROSS <6>[ 41.618898] lkdtm: Attempting cross-cache slab free ... 00 00 00 00 48 83 ec 28 48 89 # [ 39.461141] RSP: 002b:00007ffd7709f6c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 # [ 39.469888] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007f44e89bf240 # [ 39.478149] RDX: 0000000000000019 RSI: 00007f44e88a3000 RDI: 0000000000000001 # [ 39.486408] RBP: 0000000000000019 R08: 00000000ffffffff R09: 0000000000000000 # [ 39.494677] R10: 00007f44e88e04d0 R11: 0000000000000202 R12: 00007f44e88a3000 # [ 39.502936] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 # STACK_GUARD_PAGE_LEADING: saw 'call trace:': ok ok 12 selftests: lkdtm: STACK_GUARD_PAGE_LEADING.sh # selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh # Segmentation fault # [ 39.651372] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING # [ 39.661579] lkdtm: attempting bad read from page above current stack # [ 39.668982] BUG: stack guard page was hit at 00000000b3db8bde (stack is 000000005fe4818c..00000000c1872de2) # [ 39.680166] kernel stack overflow (page fault): 0000 [#4] SMP PTI # [ 39.687264] CPU: 3 PID: 1041 Comm: cat Tainted: G D W 5.10.216-cip47 #1 # [ 39.696203] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 39.703300] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILING+0x27/0x3d # [ 39.710202] Code: dd fb ff 0f 1f 44 00 00 53 48 c7 c7 00 0a 8d b1 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 50 dd fb ff 48 c7 c7 40 0a 8d b1 <8a> 83 00 40 00 00 88 44 24 07 0f b6<6>[ 41.764389] lkdtm: Performing direct entry SLAB_FREE_PAGE 74 24 07 5a 5b e9 33 dd fb ff # [ 39.731474] RSP: 0018:ffff9<6>[ 41.774380] lkdtm: Attempting non-Slab slab free ... b6e819e3e50 EFLAGS: 00010246 # [ 39.737599] RAX: 0000000000000038 RBX: ffff9b6e819e0000 RCX: 0000000000000000 # [ 39.745860] RDX: 0000000000000000 RSI: ffff8ab27ad9bf50 RDI: ffffffffb18d0a40 # [ 39.754135] RBP: ffffffffb18d010b R08: 0000000000000000 R09: 0000000000000000 # [ 39.762397] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001a # [ 39.770656] R13: ffff9b6e819e3f10 R14: ffff9b6e819e3f10 R15: ffff8ab2089cd000 # [ 39.778936] FS: 00007f317579b740(0000) GS:ffff8ab27ad80000(0000) knlGS:0000000000000000 # [ 39.788264] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 39.794968] CR2: ffff9b6e819e4000 CR3: 0000000107544004 CR4: 00000000003706e0 # [ 39.803227] Call Trace: # [ 39.806244] <#DF> # [ 39.808776] ? __die_body.cold+0x1a/0x1f # [ 39.813446] ? die+0x2b/0x50 # [ 39.816948] ? handle_stack_overflow+0x3e/0x4d # [ 39.822200] ? no_context+0x24d/0x380 # [ 39.826576] # [ 39.829204] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel intel_pmc_core_pltdrv uvcvideo cros_ec_sysfs videobuf2_vmalloc cros_ec_lightbar cros_ec_sensorhub cros_ec_debugfs cros_usbpd_charger videobuf2_memops cros_ec_chardev cros_usbpd_logger intel_pmc_core videobuf2_v4l2 iTCO_wdt snd_soc_da7219 bluetooth watchdog snd_soc_max98927 processor_thermal_device gsmi iwlmvm x86_pkg_temp_thermal cros_ec_dev intel_pmc_bxt ecdh_generic videobuf2_common iwlwifi idma64 snd_soc_core ecc intel_soc_dts_iosf snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify int3403_thermal int340x_thermal_zone pinctrl_sunrisepoint int3400_thermal acpi_thermal_rel cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 39.916936] ---[ end trace 8025eed8b81a5aaf ]--- # [ 39.922374] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 39.927040] Code: 89 ff e8 5e ae 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 60 0e eb 03 # [ 39.948314] RSP: 0018:ffff9b6e8143be60 EFLAGS: 00010286 # [ 39.954430] RAX: ffffffffaf57fff0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 39.962682] RDX: 0000000000000000 RSI: ffff8ab27ac1bf50 RDI: ffffffffb1440670 # [ 39.970941] RBP: ffffffffb1936f68 R08: 0000000000000001 R09: 0000000000000001 # [ 39.979202] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0<6>[ 42.027314] lkdtm: Performing direct entry EXEC_DATA <6>[ 42.034670] lkdtm: attempting ok execution at ffffffffaf5803c0 <6>[ 42.041487] lkdtm: attempting bad execution at ffffffffb3430ea0 000000000000004 # [ 39.987462] R13: ffff9b6e8143bf10 R14: fff<2>[ 42.048430] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) <1>[ 42.063288] BUG: unable to handle page fault for address: ffffffffb3430ea0 <1>[ 42.071260] #PF: supervisor instruction fetch in kernel mode <1>[ 42.077861] #PF: error_code(0x0011) - permissions violation <6>[ 42.084375] PGD 34029067 P4D 34029067 PUD 3402a063 PMD 80000000358000e3 <4>[ 42.092152] Oops: 0011 [#5] SMP PTI <4>[ 42.096336] CPU: 2 PID: 1602 Comm: cat Tainted: G D W 5.10.216-cip47 #1 <4>[ 42.105277] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 42.112374] RIP: 0010:data_area+0x0/0x40 <4>[ 42.117042] Code: ff ff 00 52 69 05 b2 8a ff ff 00 51 69 05 b2 8a ff ff 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 <4>[ 42.138310] RSP: 0018:ffff9b6e8232be48 EFLAGS: 00010246 <4>[ 42.144436] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 42.152698] RDX: 0000000000000000 RSI: ffff8ab27ad1bf50 RDI: ffff8ab27ad1bf50 <4>[ 42.160959] RBP: ffffffffb3430ea0 R08: 0000000000000000 R09: 0000000000000000 <4>[ 42.169222] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a <4>[ 42.177484] R13: ffff9b6e8232bf10 R14: ffff9b6e8232bf10 R15: ffff8ab2063fe000 <4>[ 42.185747] FS: 00007f3cc789c740(0000) GS:ffff8ab27ad00000(0000) knlGS:0000000000000000 <4>[ 42.195068] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 42.201777] CR2: ffffffffb3430ea0 CR3: 000000010745e005 CR4: 00000000003706e0 <4>[ 42.210038] Call Trace: <4>[ 42.213060] ? __die_body.cold+0x1a/0x1f <4>[ 42.217730] ? no_context+0x177/0x380 <4>[ 42.222110] ? exc_page_fault+0xd7/0x170 <4>[ 42.226779] ? asm_exc_page_fault+0x1e/0x30 <4>[ 42.231736] ? execute_location+0x45/0x56 <4>[ 42.236502] ? direct_entry.cold+0x2c/0x38 <4>[ 42.241366] ? full_proxy_write+0x53/0x80 <4>[ 42.246134] ? vfs_write+0xe7/0x3b0 <4>[ 42.250318] ? ksys_write+0x68/0xf0 <4>[ 42.254501] ? do_syscall_64+0x30/0x40 <4>[ 42.258965] ? entry_SYSCALL_64_after_hwframe+0x67/0xcc f9b6e8143bf10 R15: ffff8ab2086b3000 # [ 39.995721] FS: 00007<4>[ 42.265095] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel intel_pmc_core_pltdrv uvcvideo cros_ec_sysfs videobuf2_vmalloc cros_ec_lightbar cros_ec_sensorhub cros_ec_debugfs cros_usbpd_charger videobuf2_memops cros_ec_chardev cros_usbpd_logger intel_pmc_core videobuf2_v4l2 iTCO_wdt snd_soc_da7219 bluetooth watchdog snd_soc_max98927 processor_thermal_device gsmi iwlmvm x86_pkg_temp_thermal cros_ec_dev intel_pmc_bxt ecdh_generic videobuf2_common iwlwifi idma64 snd_soc_core ecc intel_soc_dts_iosf snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify int3403_thermal int340x_thermal_zone pinctrl_sunrisepoint int3400_thermal acpi_thermal_rel cros_kbd_led_backlight chromeos_pstore coreboot_table <4>[ 42.352843] CR2: ffffffffb3430ea0 <4>[ 42.356833] ---[ end trace 8025eed8b81a5ab1 ]--- <4>[ 42.362271] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 42.366938] Code: 89 ff e8 5e ae 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 60 0e eb 03 <4>[ 42.388215] RSP: 0018:ffff9b6e8143be60 EFLAGS: 00010286 <4>[ 42.394338] RAX: ffffffffaf57fff0 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 42.402601] RDX: 0000000000000000 RSI: ffff8ab27ac1bf50 RDI: ffffffffb1440670 <4>[ 42.410861] RBP: ffffffffb1936f68 R08: 0000000000000001 R09: 0000000000000001 <4>[ 42.419124] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 42.427384] R13: ffff9b6e8143bf10 R14: ffff9b6e8143bf10 R15: ffff8ab2086b3000 <4>[ 42.435648] FS: 00007f3cc789c740(0000) GS:ffff8ab27ad00000(0000) knlGS:0000000000000000 <4>[ 42.444980] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 42.451687] CR2: ffffffffb3430ea0 CR3: 000000010745e005 CR4: 00000000003706e0 <3>[ 42.459951] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 42.470147] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1602, name: cat <4>[ 42.478895] INFO: lockdep is turned off. <4>[ 42.483563] irq event stamp: 0 <4>[ 42.487262] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 42.494553] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 42.503980] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 42.513407] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 42.520698] CPU: 2 PID: 1602 Comm: cat Tainted: G D W 5.10.216-cip47 #1 <4>[ 42.529638] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 42.536736] Call Trace: <4>[ 42.539756] dump_stack+0x77/0x9b <4>[ 42.543746] ___might_sleep.cold+0xa6/0xb6 <4>[ 42.548601] exit_signals+0x1c/0x300 <4>[ 42.552881] do_exit+0xc2/0xab0 <4>[ 42.556690] ? ksys_write+0x68/0xf0 <4>[ 42.560874] make_task_dead+0x2f/0x30 <4>[ 42.565252] rewind_stack_and_make_dead+0x17/0x20 <4>[ 42.570786] RIP: 0033:0x7f3cc7997240 <4>[ 42.575066] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89 <4>[ 42.596337] RSP: 002b:00007ffded346f98 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 <4>[ 42.605077] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f3cc7997240 <4>[ 42.613338] RDX: 000000000000000a RSI: 00007f3cc787b000 RDI: 0000000000000001 <4>[ 42.621600] RBP: 000000000000000a R08: 00000000ffffffff R09: 0000000000000000 <4>[ 42.629862] R10: 00007f3cc78b84d0 R11: 0000000000000202 R12: 00007f3cc787b000 <4>[ 42.638123] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 f317579b740(0000) GS:ffff8ab27ad80000(0000) knlGS:0000000000000000 # [ 40.005049] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 40.011757] CR2: ffff9b6e819e4000 CR3: 0000000107544004 CR4: 00000000003706e0 # STACK_GUARD_PAGE_TRAILING: saw 'call trace:': ok ok 13 selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh # selftests: lkdtm: UNSET_SMEP.sh # [ 40.125795] lkdtm: Performing direct entry UNSET_SMEP # [ 40.137890] lkdtm: trying to clear SMEP normally # [ 40.143394] ------------[ cut here ]------------ # [ 40.148883] pinned CR4 bits changed: 0x100000!? # [ 40.160446] WARNING: CPU: 3 PID: 1079 at arch/x86/kernel/cpu/common.c:396 native_write_cr4+0x45/0x60 # [ 40.177146] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel intel_pmc_core_pltdrv uvcvideo cros_ec_sysfs videobuf2_vmalloc cros_ec_lightbar cros_ec_sensorhub cros_ec_debugfs cros_usbpd_charger videobuf2_memops cros_ec_chardev cros_usbpd_logger intel_pmc_core videobuf2_v4l2 iTCO_wdt snd_soc_da7219 bluetooth watchdog snd_soc_max98927 processor_thermal_device gsmi iwlmvm x86_pkg_temp_thermal cros_ec_dev intel_pmc_bxt ecdh_generic videobuf2_common iwlwifi idma64 <6>[ 42.769038] lkdtm: Performing direct entry EXEC_STACK <6>[ 42.776695] lkdtm: attempting ok execution at ffffffffaf5803c0 snd_soc_core ecc intel_soc_dts_iosf snd_compress snd_pcm_dmaengi<6>[ 42.783519] lkdtm: attempting bad execution at ffff9b6e823fbe18 <2>[ 42.796631] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) ne regmap_i2c i2c_hid cros_usbpd_notify int3403_thermal int340x_<1>[ 42.805288] BUG: unable to handle page fault for address: ffff9b6e823fbe18 <1>[ 42.819475] #PF: supervisor instruction fetch in kernel mode thermal_zone pinctrl_sunrisepoint int3400_thermal acpi_thermal_r<1>[ 42.826087] #PF: error_code(0x0011) - permissions violation el cros_kbd_led_backlight chromeos_pstore coreboot_table # [ <6>[ 42.838814] PGD 100000067 P4D 100000067 PUD 100242067 PMD 106b46067 PTE 80000001075c9063 <4>[ 42.854365] Oops: 0011 [#6] SMP PTI <4>[ 42.858549] CPU: 2 PID: 1639 Comm: cat Tainted: G D W 5.10.216-cip47 #1 <4>[ 42.867492] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 42.874594] RIP: 0010:0xffff9b6e823fbe18 40.264910] CPU: 3 PID: 1079 Comm: cat Tainted: G D W <4>[ 42.879266] Code: 00 00 18 be 3f 82 6e 9b ff ff 80 a7 c5 af ff ff ff ff 20 00 00 00 00 00 00 00 4e 02 8d b1 ff ff ff ff af a8 c5 af ff ff ff ff <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 <4>[ 42.906760] RSP: 0018:ffff9b6e823fbdf8 EFLAGS: 00010246 <4>[ 42.912885] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 42.921148] RDX: 0000000000000000 RSI: ffff8ab27ad1bf50 RDI: ffff8ab27ad1bf50 <4>[ 42.929410] RBP: ffff9b6e823fbe18 R08: 0000000000000000 R09: 0000000000000000 <4>[ 42.937685] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b <4>[ 42.945947] R13: ffff9b6e823fbf10 R14: ffff9b6e823fbf10 R15: ffff8ab204760000 <4>[ 42.954210] FS: 00007efd91a13740(0000) GS:ffff8ab27ad00000(0000) knlGS:0000000000000000 <4>[ 42.963532] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 42.970239] CR2: ffff9b6e823fbe18 CR3: 0000000105610001 CR4: 00000000003706e0 <4>[ 42.978500] Call Trace: <4>[ 42.981522] ? __die_body.cold+0x1a/0x1f <4>[ 42.986202] ? no_context+0x177/0x380 <4>[ 42.990583] ? exc_page_fault+0xd7/0x170 <4>[ 42.995253] ? asm_exc_page_fault+0x1e/0x30 <4>[ 43.000218] ? execute_location+0x45/0x56 <4>[ 43.004983] ? lkdtm_EXEC_STACK+0x26/0x44 <4>[ 43.009749] ? direct_entry.cold+0x2c/0x38 <4>[ 43.014637] ? full_proxy_write+0x53/0x80 <4>[ 43.019404] ? vfs_write+0xe7/0x3b0 <4>[ 43.023580] ? ksys_write+0x68/0xf0 <4>[ 43.027764] ? do_syscall_64+0x30/0x40 <4>[ 43.032230] ? entry_SYSCALL_64_after_hwframe+0x67/0xcc 5.10.216-cip47 #1 # [ 40.273871] Hardware name: Google Ramm<4>[ 43.038358] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel intel_pmc_core_pltdrv uvcvideo cros_ec_sysfs videobuf2_vmalloc cros_ec_lightbar cros_ec_sensorhub cros_ec_debugfs cros_usbpd_charger videobuf2_memops cros_ec_chardev cros_usbpd_logger intel_pmc_core videobuf2_v4l2 iTCO_wdt snd_soc_da7219 bluetooth watchdog snd_soc_max98927 processor_thermal_device gsmi iwlmvm x86_pkg_temp_thermal cros_ec_dev intel_pmc_bxt ecdh_generic videobuf2_common iwlwifi idma64 snd_soc_core ecc intel_soc_dts_iosf snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify int3403_thermal int340x_thermal_zone pinctrl_sunrisepoint int3400_thermal acpi_thermal_rel cros_kbd_led_backlight chromeos_pstore coreboot_table <4>[ 43.126104] CR2: ffff9b6e823fbe18 <4>[ 43.130094] ---[ end trace 8025eed8b81a5ab2 ]--- <4>[ 43.135532] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 43.140200] Code: 89 ff e8 5e ae 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 60 0e eb 03 <4>[ 43.161477] RSP: 0018:ffff9b6e8143be60 EFLAGS: 00010286 <4>[ 43.167593] RAX: ffffffffaf57fff0 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 43.175853] RDX: 0000000000000000 RSI: ffff8ab27ac1bf50 RDI: ffffffffb1440670 <4>[ 43.184114] RBP: ffffffffb1936f68 R08: 0000000000000001 R09: 0000000000000001 <4>[ 43.192375] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 43.200630] R13: ffff9b6e8143bf10 R14: ffff9b6e8143bf10 R15: ffff8ab2086b3000 <4>[ 43.208890] FS: 00007efd91a13740(0000) GS:ffff8ab27ad00000(0000) knlGS:0000000000000000 <4>[ 43.218219] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 43.224924] CR2: ffff9b6e823fbe18 CR3: 0000000105610001 CR4: 00000000003706e0 us/Rammus, BIOS 09/04/2020 # [ 40.287175] RIP: 0010:native_write_cr4+0x45/0x60 # [ 40.292625] Code: 39 c2 75 2d 48 85 f6 75 05 c3 cc cc cc cc 80 3d 08 63 46 03 00 75 f2 48 c7 c7 10 d5 7c b1 c6 05 f8 62 46 03 01 e8 81 02 15 01 <0f> 0b c3 cc cc cc cc 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09 # [ 40.320121] RSP: 0018:ffff9b6e81a8be48 EFLAGS: 00010286 # [ 40.326282] RAX: 0000000000000000 RBX: 00000000002706e0 RCX: 0000000000000000 # [ 40.334548] RDX: ffff8ab27adac620 RSI: ffff8ab27ad9bf50 RDI: ffff8ab27ad9bf50 # [ 40.342813] RBP: ffffffffb18d0125 R08: 0000000000000000 R09: 0000000000000000 # [ 40.351078] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b # [ 40.359344] R13: ffff9b6e81a8bf10 R14: ffff9b6e81a8bf10 R15: ffff8ab20534c000 # [ 40.367629] FS: 00007fb98ee7e740(0000) GS:ffff8ab27ad80000(0000) knlGS:0000000000000000 # [ 40.376974] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 40.389895] CR2: 00007fb98ee5d000 CR3: 00000001069bc001 CR4: 00000000003706e0 # [ 40.398160] Call Trace: # [ 40.401187] ? __warn+0x80/0x110 # [ 40.405111] ? native_write_cr4+0x45/0x60 # [ 40.409884] ? report_bug+0x9e/0xc0 # [ 40.414104] ? handle_bug+0x41/0x90 # [ 40.418321] ? exc_invalid_op+0x14/0x70 # [ 40.422919] ? asm_exc_invalid_op+0x12/0x20 # [ 40.427886] ? native_write_cr4+0x45/0x60 # [ 40.432695] ? native_write_cr4+0x45/0x60 # [ 40.437464] lkdtm_UNSET_SMEP.cold+0x1d/0x1<6>[ 43.370448] lkdtm: Performing direct entry EXEC_KMALLOC 03 # [ 40.442653] direct_entry.cold+0x2c/0x38 # [ 40.4473<6>[ 43.382435] lkdtm: attempting ok execution at ffffffffaf5803c0 57] full_proxy_write+0x53/0x80 # [ 40.451964] vfs_write+0xe<6>[ 43.395456] lkdtm: attempting bad execution at ffff8ab206802cc0 7/0x3b0 # [ 40.455989] ksys_write+0x68/0xf0 # [ 40.460014<2>[ 43.408579] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) <1>[ 43.423442] BUG: unable to handle page fault for address: ffff8ab206802cc0 <1>[ 43.431405] #PF: supervisor instruction fetch in kernel mode <1>[ 43.438009] #PF: error_code(0x0011) - permissions violation <6>[ 43.444515] PGD 35a01067 P4D 35a01067 PUD 100847063 PMD 1068b2063 PTE 8000000106802063 ] do_syscall_64+0x30/0x40 # [ 40.464332] entry_SYSCALL_64_a<4>[ 43.453657] Oops: 0011 [#7] SMP PTI <4>[ 43.464054] CPU: 1 PID: 1677 Comm: cat Tainted: G D W 5.10.216-cip47 #1 <4>[ 43.472986] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 43.480084] RIP: 0010:0xffff8ab206802cc0 <4>[ 43.484752] Code: 00 00 02 00 00 00 00 00 00 00 00 2b 80 06 b2 8a ff ff 04 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 7b fa af ae ff ff ff ff <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 <4>[ 43.506031] RSP: 0018:ffff9b6e824a3e38 EFLAGS: 00010246 <4>[ 43.512156] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 43.520419] RDX: 0000000000000000 RSI: ffff8ab27ac9bf50 RDI: ffff8ab27ac9bf50 <4>[ 43.528680] RBP: ffff8ab206802cc0 R08: 0000000000000000 R09: 0000000000000000 <4>[ 43.536942] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d <4>[ 43.545203] R13: ffff9b6e824a3f10 R14: ffff9b6e824a3f10 R15: ffff8ab2089f1000 <4>[ 43.553466] FS: 00007ff4f0e9f740(0000) GS:ffff8ab27ac80000(0000) knlGS:0000000000000000 <4>[ 43.562797] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 43.569496] CR2: ffff8ab206802cc0 CR3: 0000000105f94006 CR4: 00000000003706e0 <4>[ 43.577757] Call Trace: ft[ 43.580778] ? __die_body.cold+0x1a/0x1f <4>[ 43.591683] ? no_context+0x177/0x380 0 # [ 40.474583] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89<4>[ 43.596065] ? exc_page_fault+0xd7/0x170 <4>[ 43.606946] ? asm_exc_page_fault+0x1e/0x30 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 <4>[ 43.611913] ? execute_location+0x45/0x56 <4>[ 43.622895] ? lkdtm_EXEC_KMALLOC+0x2c/0x40 <4>[ 43.627846] ? direct_entry.cold+0x2c/0x38 <4>[ 43.632711] ? full_proxy_write+0x53/0x80 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00<4>[ 43.637479] ? vfs_write+0xe7/0x3b0 <4>[ 43.647876] ? ksys_write+0x68/0xf0 <4>[ 43.652060] ? do_syscall_64+0x30/0x40 <4>[ 43.656535] ? entry_SYSCALL_64_after_hwframe+0x67/0xcc 00 00 00 48 83 ec 28 48 89 # [ 40.495894] RSP: 002b:00007fff<4>[ 43.662655] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel intel_pmc_core_pltdrv uvcvideo cros_ec_sysfs videobuf2_vmalloc cros_ec_lightbar cros_ec_sensorhub cros_ec_debugfs cros_usbpd_charger videobuf2_memops cros_ec_chardev cros_usbpd_logger intel_pmc_core videobuf2_v4l2 iTCO_wdt snd_soc_da7219 bluetooth watchdog snd_soc_max98927 processor_thermal_device gsmi iwlmvm x86_pkg_temp_thermal cros_ec_dev intel_pmc_bxt ecdh_generic videobuf2_common iwlwifi idma64 snd_soc_core ecc intel_soc_dts_iosf snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify int3403_thermal int340x_thermal_zone pinctrl_sunrisepoint int3400_thermal acpi_thermal_rel cros_kbd_led_backlight chromeos_pstore coreboot_table <4>[ 43.750393] CR2: ffff8ab206802cc0 <4>[ 43.754382] ---[ end trace 8025eed8b81a5ab3 ]--- <4>[ 43.759829] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 43.764499] Code: 89 ff e8 5e ae 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 60 0e eb 03 <4>[ 43.785778] RSP: 0018:ffff9b6e8143be60 EFLAGS: 00010286 <4>[ 43.791904] RAX: ffffffffaf57fff0 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 43.800166] RDX: 0000000000000000 RSI: ffff8ab27ac1bf50 RDI: ffffffffb1440670 <4>[ 43.808428] RBP: ffffffffb1936f68 R08: 0000000000000001 R09: 0000000000000001 <4>[ 43.816683] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 43.824944] R13: ffff9b6e8143bf10 R14: ffff9b6e8143bf10 R15: ffff8ab2086b3000 <4>[ 43.833209] FS: 00007ff4f0e9f740(0000) GS:ffff8ab27ac80000(0000) knlGS:0000000000000000 <4>[ 43.842531] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 43.849241] CR2: ffff8ab206802cc0 CR3: 0000000105f94006 CR4: 00000000003706e0 <3>[ 43.857495] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 43.867700] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1677, name: cat <4>[ 43.876448] INFO: lockdep is turned off. <4>[ 43.881116] irq event stamp: 0 <4>[ 43.884812] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 43.892104] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 43.901524] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 43.910942] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 43.918233] CPU: 1 PID: 1677 Comm: cat Tainted: G D W 5.10.216-cip47 #1 <4>[ 43.927175] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 43.934272] Call Trace: <4>[ 43.937292] dump_stack+0x77/0x9b cd52e508 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 # [ 40.5<4>[ 43.941283] ___might_sleep.cold+0xa6/0xb6 <4>[ 43.952360] exit_signals+0x1c/0x300 04648] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007fb9<4>[ 43.956642] do_exit+0xc2/0xab0 <4>[ 43.966653] ? ksys_write+0x68/0xf0 <4>[ 43.970838] make_task_dead+0x2f/0x30 <4>[ 43.975208] rewind_stack_and_make_dead+0x17/0x20 <4>[ 43.980751] RIP: 0033:0x7ff4f0f9a240 <4>[ 43.985031] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89 <4>[ 44.006299] RSP: 002b:00007ffdcd24ee18 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 <4>[ 44.015049] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007ff4f0f9a240 <4>[ 44.023311] RDX: 000000000000000d RSI: 00007ff4f0e7e000 RDI: 0000000000000001 <4>[ 44.031575] RBP: 000000000000000d R08: 00000000ffffffff R09: 0000000000000000 <4>[ 44.039836] R10: 00007ff4f0ebb4d0 R11: 0000000000000202 R12: 00007ff4f0e7e000 <4>[ 44.048097] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 8ef79240 # [ 40.512920] RDX: 000000000000000b RSI: 00007fb98ee5d000 RDI: 0000000000000001 # [ 40.521189] RBP: 000000000000000b R08: 00000000ffffffff R09: 0000000000000000 # [ 40.529455] R10: 00007fb98ee9a4d0 R11: 0000000000000202 R12: 00007fb98ee5d000 # [ 40.537722] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 # [ 40.545993] irq event stamp: 0 # [ 40.549724] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 40.563227] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 40.572658] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 40.588300] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 40.601813] ---[ end trace 8025eed8b81a5ab0 ]--- # [ 40.607291] lkdtm: ok: SMEP did not get cleared # [ 40.612644] lkdtm: trying to clear SMEP with call gadget # [ 40.618876] lkdtm: ok: SMEP removal was reverted # UNSET_SMEP: saw 'pinned CR4 bits changed:': ok ok 14 selftests: lkdtm: UNSET_SMEP.sh # selftests: lkdtm: DOUBLE_FAULT.sh # [ 40.726589] lkdtm: Performing direct entry DOUBLE_FAULT # [ 40.736160] lkdtm: XFAIL: this test is ia32-only # DOUBLE_FAULT: saw 'XFAIL': [SKIP] ok 15 selftests: lkdtm: DOUBLE_FAULT.sh # SKIP # <6>[ 44.176018] lkdtm: Performing direct entry EXEC_VMALLOC <6>[ 44.186802] lkdtm: attempting ok execution at ffffffffaf5803c0 <6>[ 44.193624] lkdtm: attempting bad execution at ffff9b6e803a1000 <2>[ 44.200539] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) <1>[ 44.209196] BUG: unable to handle page fault for address: ffff9b6e803a1000 <1>[ 44.217169] #PF: supervisor instruction fetch in kernel mode <1>[ 44.223780] #PF: error_code(0x0011) - permissions violation se[ 44.230284] PGD 100000067 P4D 100000067 PUD 100242067 PMD 10091d067 PTE 80000001061b4063 <4>[ 44.245836] Oops: 0011 [#8] SMP PTI <4>[ 44.250020] CPU: 2 PID: 1714 Comm: cat Tainted: G D W 5.10.216-cip47 #1 <4>[ 44.258962] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 44.266060] RIP: 0010:0xffff9b6e803a1000 <4>[ 44.270730] Code: Unable to access opcode bytes at RIP 0xffff9b6e803a0fd6. <4>[ 44.278700] RSP: 0018:ffff9b6e82463e38 EFLAGS: 00010246 <4>[ 44.284824] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 44.293086] RDX: 0000000000000000 RSI: ffff8ab27ad1bf50 RDI: ffff8ab27ad1bf50 <4>[ 44.301348] RBP: ffff9b6e803a1000 R08: 0000000000000000 R09: 0000000000000000 <4>[ 44.309633] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d <4>[ 44.317896] R13: ffff9b6e82463f10 R14: ffff9b6e82463f10 R15: ffff8ab2061b4000 <4>[ 44.326159] FS: 00007f6da7104740(0000) GS:ffff8ab27ad00000(0000) knlGS:0000000000000000 <4>[ 44.335480] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 44.342188] CR2: ffff9b6e803a0fd6 CR3: 0000000102fd4002 CR4: 00000000003706e0 <4>[ 44.350449] Call Trace: <4>[ 44.353472] ? __die_body.cold+0x1a/0x1f <4>[ 44.358142] ? no_context+0x177/0x380 <4>[ 44.362523] ? exc_page_fault+0xd7/0x170 <4>[ 44.367192] ? asm_exc_page_fault+0x1e/0x30 <4>[ 44.372149] ? execute_location+0x45/0x56 <4>[ 44.376916] ? lkdtm_EXEC_VMALLOC+0x20/0x30 <4>[ 44.381875] ? direct_entry.cold+0x2c/0x38 <4>[ 44.386739] ? full_proxy_write+0x53/0x80 <4>[ 44.391498] ? vfs_write+0xe7/0x3b0 <4>[ 44.395685] ? ksys_write+0x68/0xf0 <4>[ 44.399868] ? do_syscall_64+0x30/0x40 <4>[ 44.404343] ? entry_SYSCALL_64_after_hwframe+0x67/0xcc ming direct entry CORRUPT_PAC # [ 40.859591] lkdtm: XFAIL: th<4>[ 44.410463] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel intel_pmc_core_pltdrv uvcvideo cros_ec_sysfs videobuf2_vmalloc cros_ec_lightbar cros_ec_sensorhub cros_ec_debugfs cros_usbpd_charger videobuf2_memops cros_ec_chardev cros_usbpd_logger intel_pmc_core videobuf2_v4l2 iTCO_wdt snd_soc_da7219 bluetooth watchdog snd_soc_max98927 processor_thermal_device gsmi iwlmvm x86_pkg_temp_thermal cros_ec_dev intel_pmc_bxt ecdh_generic videobuf2_common iwlwifi idma64 snd_soc_core ecc intel_soc_dts_iosf snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify int3403_thermal int340x_thermal_zone pinctrl_sunrisepoint int3400_thermal acpi_thermal_rel cros_kbd_led_backlight chromeos_pstore coreboot_table <4>[ 44.498218] CR2: ffff9b6e803a1000 <4>[ 44.502208] ---[ end trace 8025eed8b81a5ab4 ]--- <4>[ 44.507653] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 44.512322] Code: 89 ff e8 5e ae 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 60 0e eb 03 <4>[ 44.533593] RSP: 0018:ffff9b6e8143be60 EFLAGS: 00010286 <4>[ 44.539720] RAX: ffffffffaf57fff0 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 44.547982] RDX: 0000000000000000 RSI: ffff8ab27ac1bf50 RDI: ffffffffb1440670 <4>[ 44.556245] RBP: ffffffffb1936f68 R08: 0000000000000001 R09: 0000000000000001 <4>[ 44.564505] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 44.572766] R13: ffff9b6e8143bf10 R14: ffff9b6e8143bf10 R15: ffff8ab2086b3000 <4>[ 44.581029] FS: 00007f6da7104740(0000) GS:ffff8ab27ad00000(0000) knlGS:0000000000000000 <4>[ 44.590350] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 44.597057] CR2: ffff9b6e803a0fd6 CR3: 0000000102fd4002 CR4: 00000000003706e0 is test is arm64-only # CORRUPT_PAC: saw 'XFAIL': [SKIP] ok 16 selftests: lkdtm: CORRUPT_PAC.sh # SKIP # selftests: lkdtm: UNALIGNED_LOAD_STORE_WRITE.sh # [ 40.985408] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE # [ 40.996932] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS # UNALIGNED_LOAD_STORE_WRITE: saw 'XFAIL': [SKIP] ok 17 selftests: lkdtm: UNALIGNED_LOAD_STORE_WRITE.sh # SKIP # selftests: lkdtm: OVERWRITE_ALLOCATION.sh # Skipping OVERWRITE_ALLOCATION: Corrupts memory on failure ok 18 selftests: lkdtm: OVERWRITE_ALLOCATION.sh # SKIP # selftests: lkdtm: WRITE_AFTER_FREE.sh # Skipping WRITE_AFTER_FREE: Corrupts memory on failure ok 19 selftests: lkdtm: WRITE_AFTER_FREE.sh # SKIP # selftests: lkdtm: READ_AFTER_FREE.sh # [ 41.183827] lkdtm: Performing direct entry READ_AFTER_FREE # [ 41.191471] lkdtm: Value in memory before free: 12345678 # [ 41.197707] lkdtm: Attempting bad read from freed memory # [ 41.203937] lkdtm: Memory was not poisoned # READ_AFTER_FREE: missing 'call trace:': [FAIL] not ok 20 selftests: lkdtm: READ_AFTER_FREE.sh # exit=1 # selftests: lkdtm: WRITE_BUDDY_AFTER_FREE.sh # Skipping WRITE_BUDDY_AFTER_FREE: Corrupts memory on failure ok 21 selftests: lkdtm: WRITE_BUDDY_AFTER_FREE.sh # SKIP # selftests: lkdtm: READ_BUDDY_AFTER_FREE.sh # [ 41.352720] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE # [ 41.365069] lkdtm: Value in memory before free: 12345678 <6>[ 44.743303] lkdtm: Performing direct entry EXEC_RODATA # [ 41.371303] lkdtm: Attempting to read from freed memory #<6>[ 44.754347] lkdtm: attempting ok execution at ffffffffaf5803c0 [ 41.377462] lkdtm: Buddy page was not poisoned # READ_BUDDY<6>[ 44.767370] lkdtm: attempting bad execution at ffffffffb1440b00 _AFTER_FREE: missing 'call trace:': [FAIL] not ok 22 selftests:<2>[ 44.780491] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) <1>[ 44.795357] BUG: unable to handle page fault for address: ffffffffb1440b00 <1>[ 44.803320] #PF: supervisor instruction fetch in kernel mode <1>[ 44.809929] #PF: error_code(0x0011) - permissions violation <6>[ 44.816443] PGD 34029067 P4D 34029067 PUD 3402a063 PMD 80000000338000e1 lkdtm: READ_BUDDY_AFTER_FREE.sh # exit=1 # selftests: lkdtm: S<4>[ 44.824226] Oops: 0011 [#9] SMP PTI <4>[ 44.834635] CPU: 1 PID: 1751 Comm: cat Tainted: G D W 5.10.216-cip47 #1 <4>[ 44.843578] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 44.850684] RIP: 0010:lkdtm_rodata_do_nothing+0x0/0x10 LAB_FREE_DOUBLE.sh # [ 41.493810] lkdtm: Performing direct en<4>[ 44.856716] Code: ff ff 1f bd c5 af ff ff ff ff 9a 04 8d b1 ff ff ff ff 65 a4 c5 af ff ff ff ff 55 aa 55 aa 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 54 68 69 73 20 69 <4>[ 44.884208] RSP: 0018:ffff9b6e825cbe48 EFLAGS: 00010246 <4>[ 44.890326] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 <4>[ 44.898588] RDX: 0000000000000000 RSI: ffff8ab27ac9bf50 RDI: ffff8ab27ac9bf50 <4>[ 44.906850] RBP: ffffffffb1440b00 R08: 0000000000000000 R09: 0000000000000000 <4>[ 44.915112] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c <4>[ 44.923376] R13: ffff9b6e825cbf10 R14: ffff9b6e825cbf10 R15: ffff8ab20477d000 <4>[ 44.931635] FS: 00007f2163dc5740(0000) GS:ffff8ab27ac80000(0000) knlGS:0000000000000000 <4>[ 44.940967] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 44.947676] CR2: ffffffffb1440b00 CR3: 0000000107184003 CR4: 00000000003706e0 <4>[ 44.955937] Call Trace: <4>[ 44.958958] ? __die_body.cold+0x1a/0x1f try SLAB_FREE_DOUBLE # [ 41.501153] lkdtm: Attempting double <4>[ 44.963634] ? no_context+0x177/0x380 <4>[ 44.974226] ? exc_page_fault+0xd7/0x170 slab free ... # SLAB_FREE_DOUBLE: missing 'call trace:': [FAIL]<4>[ 44.978896] ? asm_exc_page_fault+0x1e/0x30 not ok 23 selftests: lkdtm: SLAB_FREE_DOUBLE.sh # exit=1 # se<4>[ 44.990075] ? execute_location+0x45/0x56 <4>[ 45.001060] ? direct_entry.cold+0x2c/0x38 <4>[ 45.005926] ? full_proxy_write+0x53/0x80 lftests: lkdtm: SLAB_FREE_CROSS.sh # [ 41.607564] lkdtm: Perf<4>[ 45.010695] ? vfs_write+0xe7/0x3b0 <4>[ 45.021092] ? ksys_write+0x68/0xf0 <4>[ 45.025277] ? do_syscall_64+0x30/0x40 <4>[ 45.029753] ? entry_SYSCALL_64_after_hwframe+0x67/0xcc orming direct entry SLAB_FREE_CROSS # [ 41.618898] lkdtm: Att<4>[ 45.035882] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel intel_pmc_core_pltdrv uvcvideo cros_ec_sysfs videobuf2_vmalloc cros_ec_lightbar cros_ec_sensorhub cros_ec_debugfs cros_usbpd_charger videobuf2_memops cros_ec_chardev cros_usbpd_logger intel_pmc_core videobuf2_v4l2 iTCO_wdt snd_soc_da7219 bluetooth watchdog snd_soc_max98927 processor_thermal_device gsmi iwlmvm x86_pkg_temp_thermal cros_ec_dev intel_pmc_bxt ecdh_generic videobuf2_common iwlwifi idma64 snd_soc_core ecc intel_soc_dts_iosf snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify int3403_thermal int340x_thermal_zone pinctrl_sunrisepoint int3400_thermal acpi_thermal_rel cros_kbd_led_backlight chromeos_pstore coreboot_table <4>[ 45.123600] CR2: ffffffffb1440b00 <4>[ 45.127591] ---[ end trace 8025eed8b81a5ab5 ]--- <4>[ 45.133038] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 45.137706] Code: 89 ff e8 5e ae 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 60 0e eb 03 <4>[ 45.158984] RSP: 0018:ffff9b6e8143be60 EFLAGS: 00010286 <4>[ 45.165102] RAX: ffffffffaf57fff0 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 45.173356] RDX: 0000000000000000 RSI: ffff8ab27ac1bf50 RDI: ffffffffb1440670 <4>[ 45.181632] RBP: ffffffffb1936f68 R08: 0000000000000001 R09: 0000000000000001 <4>[ 45.189894] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 45.198157] R13: ffff9b6e8143bf10 R14: ffff9b6e8143bf10 R15: ffff8ab2086b3000 <4>[ 45.206412] FS: 00007f2163dc5740(0000) GS:ffff8ab27ac80000(0000) knlGS:0000000000000000 <4>[ 45.215742] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 45.222449] CR2: ffffffffb1440b00 CR3: 0000000107184003 CR4: 00000000003706e0 <3>[ 45.230711] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 45.240915] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1751, name: cat <4>[ 45.249654] INFO: lockdep is turned off. <4>[ 45.254324] irq event stamp: 0 <4>[ 45.258022] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 45.265305] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 45.274731] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 45.284158] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 45.291449] CPU: 1 PID: 1751 Comm: cat Tainted: G D W 5.10.216-cip47 #1 <4>[ 45.300391] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 45.307488] Call Trace: <4>[ 45.310506] dump_stack+0x77/0x9b empting cross-cache slab free ... # SLAB_FREE_CROSS: missing 'c<4>[ 45.314499] ___might_sleep.cold+0xa6/0xb6 <4>[ 45.325577] exit_signals+0x1c/0x300 all trace:': [FAIL] not ok 24 selftests: lkdtm: SLAB_FREE_CROSS<4>[ 45.329860] do_exit+0xc2/0xab0 <4>[ 45.339872] ? ksys_write+0x68/0xf0 <4>[ 45.344056] make_task_dead+0x2f/0x30 <4>[ 45.348434] rewind_stack_and_make_dead+0x17/0x20 <4>[ 45.353976] RIP: 0033:0x7f2163ec0240 <4>[ 45.358256] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89 <4>[ 45.379534] RSP: 002b:00007ffe5014c088 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 <4>[ 45.388274] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f2163ec0240 <4>[ 45.396528] RDX: 000000000000000c RSI: 00007f2163da4000 RDI: 0000000000000001 <4>[ 45.404790] RBP: 000000000000000c R08: 00000000ffffffff R09: 0000000000000000 <4>[ 45.413052] R10: 00007f2163de14d0 R11: 0000000000000202 R12: 00007f2163da4000 <4>[ 45.421315] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 .sh # exit=1 # selftests: lkdtm: SLAB_FREE_PAGE.sh # [ 41.764389] lkdtm: Performing direct entry SLAB_FREE_PAGE # [ 41.774380] lkdtm: Attempting non-Slab slab free ... # SLAB_FREE_PAGE: missing 'call trace:': [FAIL] not ok 25 selftests: lkdtm: SLAB_FREE_PAGE.sh # exit=1 # selftests: lkdtm: SOFTLOCKUP.sh # Skipping SOFTLOCKUP: Hangs the system ok 26 selftests: lkdtm: SOFTLOCKUP.sh # SKIP # selftests: lkdtm: HARDLOCKUP.sh # Skipping HARDLOCKUP: Hangs the system ok 27 selftests: lkdtm: HARDLOCKUP.sh # SKIP # selftests: lkdtm: SPINLOCKUP.sh # Skipping SPINLOCKUP: Hangs the system ok 28 selftests: lkdtm: SPINLOCKUP.sh # SKIP # selftests: lkdtm: HUNG_TASK.sh # Skipping HUNG_TASK: Hangs the system ok 29 selftests: lkdtm: HUNG_TASK.sh # SKIP # selftests: lkdtm: EXEC_DATA.sh # Killed # [ 42.027314] lkdtm: Performing direct entry EXEC_DATA # [ 42.034670] lkdtm: attempting ok execution at ffffffffaf5803c0 # [ 42.041487] lkdtm: attempting bad execution at ffffffffb3430ea0 # [ 42.048430] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 42.063288] BUG: unable to handle page fault for address: ffffffffb3430ea0 # [ 42.071260] #PF: supervisor instruction fetch in kernel mode # [ 42.077861] #PF: error_code(0x0011) - permissions violation # [ 42.084375] PGD 34029067 P4D <6>[ 45.554354] lkdtm: Performing direct entry EXEC_USERSPACE 34029067 PUD 3402a063 PMD 80000000358000e3 # [ 42.092152] Oo<6>[ 45.566430] lkdtm: attempting ok execution at ffffffffaf5803c0 ps: 0011 [#5] SMP PTI # [ 42.096336] CPU: 2 PID: 1602 Comm: c<6>[ 45.579463] lkdtm: attempting bad execution at 00007f314ee46000 at Tainted: G D W 5.10.216-cip47 #1 # [ 42.10527<2>[ 45.592596] unable to execute userspace code (SMEP?) (uid: 0) <1>[ 45.605499] BUG: unable to handle page fault for address: 00007f314ee46000 <1>[ 45.613472] #PF: supervisor instruction fetch in kernel mode <1>[ 45.620084] #PF: error_code(0x0011) - permissions violation 7]< Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 6>[ 45.626600] PGD 80000001027fd067 P4D 80000001027fd067 PUD 1062cb067 PMD 107fab067 PTE 10985b067 <4>[ 45.642834] Oops: 0011 [#10] SMP PTI <4>[ 45.647115] CPU: 1 PID: 1788 Comm: cat Tainted: G D W 5.10.216-cip47 #1 <4>[ 45.656057] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 45.663154] RIP: 0010:0x7f314ee46000 <4>[ 45.667434] Code: Unable to access opcode bytes at RIP 0x7f314ee45fd6. <4>[ 45.675017] RSP: 0018:ffff9b6e8264be50 EFLAGS: 00010246 <4>[ 45.681142] RAX: 0000000000000033 RBX: 0000000000000024 RCX: 0000000000000000 <4>[ 45.689404] RDX: 0000000000000000 RSI: ffff8ab27ac9bf50 RDI: ffff8ab27ac9bf50 <4>[ 45.697679] RBP: 00007f314ee46000 R08: 0000000000000000 R09: 0000000000000000 42.112374] RIP: 0010:data_area+0x0/0x40 # [ 42.117042] Code: <4>[ 45.705949] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000f <4>[ 45.720428] R13: ffff9b6e8264bf10 R14: ffff9b6e8264bf10 R15: ffff8ab20898e000 <4>[ 45.728691] FS: 00007f314ec5f740(0000) GS:ffff8ab27ac80000(0000) knlGS:0000000000000000 <4>[ 45.738022] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 45.744728] CR2: 00007f314ee46000 CR3: 00000001036de004 CR4: 00000000003706e0 <4>[ 45.752990] Call Trace: ff< ff 00 52 69 05 b2 8a ff ff 00 51 69 05 b2 8a ff ff 00 00 00 04>[ 45.756011] ? __die_body.cold+0x1a/0x1f <4>[ 45.766897] ? no_context+0x177/0x380 0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 <0<4>[ 45.771278] ? exc_page_fault+0x53/0x170 <4>[ 45.782157] ? asm_exc_page_fault+0x1e/0x30 f>< 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 54>[ 45.787122] ? lkdtm_EXEC_USERSPACE.cold+0x66/0xae <4>[ 45.798979] ? direct_entry.cold+0x2c/0x38 <4>[ 45.803844] ? full_proxy_write+0x53/0x80 <4>[ 45.808634] ? vfs_write+0xe7/0x3b0 5 # [ 42.138310] RSP: 0018:ffff9b6e8232be48 EFLAGS: 00010246 <4>[ 45.812819] ? ksys_write+0x68/0xf0 <4>[ 45.823217] ? do_syscall_64+0x30/0x40 <4>[ 45.827687] ? entry_SYSCALL_64_after_hwframe+0x67/0xcc # [ 42.144436] RAX: 0000000000000033 RBX: 0000000000000001 RC<4>[ 45.833817] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel intel_pmc_core_pltdrv uvcvideo cros_ec_sysfs videobuf2_vmalloc cros_ec_lightbar cros_ec_sensorhub cros_ec_debugfs cros_usbpd_charger videobuf2_memops cros_ec_chardev cros_usbpd_logger intel_pmc_core videobuf2_v4l2 iTCO_wdt snd_soc_da7219 bluetooth watchdog snd_soc_max98927 processor_thermal_device gsmi iwlmvm x86_pkg_temp_thermal cros_ec_dev intel_pmc_bxt ecdh_generic videobuf2_common iwlwifi idma64 snd_soc_core ecc intel_soc_dts_iosf snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify int3403_thermal int340x_thermal_zone pinctrl_sunrisepoint int3400_thermal acpi_thermal_rel cros_kbd_led_backlight chromeos_pstore coreboot_table <4>[ 45.921539] CR2: 00007f314ee46000 <4>[ 45.925528] ---[ end trace 8025eed8b81a5ab6 ]--- <4>[ 45.930975] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 45.935644] Code: 89 ff e8 5e ae 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 60 0e eb 03 <4>[ 45.956919] RSP: 0018:ffff9b6e8143be60 EFLAGS: 00010286 <4>[ 45.963043] RAX: ffffffffaf57fff0 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 45.971306] RDX: 0000000000000000 RSI: ffff8ab27ac1bf50 RDI: ffffffffb1440670 <4>[ 45.979566] RBP: ffffffffb1936f68 R08: 0000000000000001 R09: 0000000000000001 <4>[ 45.987829] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 45.996091] R13: ffff9b6e8143bf10 R14: ffff9b6e8143bf10 R15: ffff8ab2086b3000 <4>[ 46.004352] FS: 00007f314ec5f740(0000) GS:ffff8ab27ac80000(0000) knlGS:0000000000000000 <4>[ 46.013692] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 46.020399] CR2: 00007f314ee46000 CR3: 00000001036de004 CR4: 00000000003706e0 X: 0000000000000000 # [ 42.152698] RDX: 0000000000000000 RSI: ffff8ab27ad1bf50 RDI: ffff8ab27ad1bf50 # [ 42.160959] RBP: ffffffffb3430ea0 R08: 0000000000000000 R09: 0000000000000000 # [ 42.169222] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 42.177484] R13: ffff9b6e8232bf10 R14: ffff9b6e8232bf10 R15: ffff8ab2063fe000 # [ 42.185747] FS: 00007f3cc789c740(0000) GS:ffff8ab27ad00000(0000) knlGS:0000000000000000 # [ 42.195068] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 42.201777] CR2: ffffffffb3430ea0 CR3: 000000010745e005 CR4: 00000000003706e0 # [ 42.210038] Call Trace: # [ 42.213060] ? __die_body.cold+0x1a/0x1f # [ 42.217730] ? no_context+0x177/0x380 # [ 42.222110] ? exc_page_fault+0xd7/0x170 # [ 42.226779] ? asm_exc_page_fault+0x1e/0x30 # [ 42.231736] ? execute_location+0x45/0x56 # [ 42.236502] ? direct_entry.cold+0x2c/0x38 # [ 42.241366] ? full_proxy_write+0x53/0x80 # [ 42.246134] ? vfs_write+0xe7/0x3b0 # [ 42.250318] ? ksys_write+0x68/0xf0 # [ 42.254501] ? do_syscall_64+0x30/0x40 # [ 42.258965] ? entry_SYSCALL_64_after_hwframe+0x67/0xcc # [ 42.265095] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel intel_pmc_core_pltdrv uvcvideo cros_ec_sysfs videobuf2_vmalloc cros_ec_lightbar cros_ec_sensorhub cros_ec_debugfs cros_usbpd_char<6>[ 46.167497] lkdtm: Performing direct entry EXEC_NULL <6>[ 46.177494] lkdtm: attempting ok execution at ffffffffaf5803c0 <6>[ 46.184315] lkdtm: attempting bad execution at 0000000000000000 <1>[ 46.191234] BUG: kernel NULL pointer dereference, address: 0000000000000000 <1>[ 46.199310] #PF: supervisor instruction fetch in kernel mode <1>[ 46.205921] #PF: error_code(0x0010) - not-present page <6>[ 46.211949] PGD 0 P4D 0 <4>[ 46.215065] Oops: 0010 [#11] SMP PTI <4>[ 46.219338] CPU: 3 PID: 1825 Comm: cat Tainted: G D W 5.10.216-cip47 #1 <4>[ 46.228280] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 46.235378] RIP: 0010:0x0 <4>[ 46.238590] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6. <4>[ 46.246559] RSP: 0018:ffff9b6e826b3e48 EFLAGS: 00010246 <4>[ 46.252691] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 <4>[ 46.260953] RDX: 0000000000000000 RSI: ffff8ab27ad9bf50 RDI: ffff8ab27ad9bf50 <4>[ 46.269216] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 <4>[ 46.277479] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a <4>[ 46.285740] R13: ffff9b6e826b3f10 R14: ffff9b6e826b3f10 R15: ffff8ab2036de000 <4>[ 46.294002] FS: 00007f7f99c2f740(0000) GS:ffff8ab27ad80000(0000) knlGS:0000000000000000 <4>[ 46.303333] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 46.310039] CR2: ffffffffffffffd6 CR3: 00000001070e6002 CR4: 00000000003706e0 <4>[ 46.318300] Call Trace: <4>[ 46.321322] ? __die_body.cold+0x1a/0x1f <4>[ 46.325993] ? no_context+0x177/0x380 <4>[ 46.330374] ? exc_page_fault+0x53/0x170 <4>[ 46.335043] ? asm_exc_page_fault+0x1e/0x30 <4>[ 46.340008] execute_location+0x45/0x56 <4>[ 46.344581] direct_entry.cold+0x2c/0x38 <4>[ 46.349252] full_proxy_write+0x53/0x80 <4>[ 46.353826] vfs_write+0xe7/0x3b0 <4>[ 46.357816] ksys_write+0x68/0xf0 <4>[ 46.361805] do_syscall_64+0x30/0x40 <4>[ 46.366087] entry_SYSCALL_64_after_hwframe+0x67/0xcc <4>[ 46.372018] RIP: 0033:0x7f7f99d2a240 <4>[ 46.376299] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89 <4>[ 46.397577] RSP: 002b:00007ffc3ad63e18 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 <4>[ 46.406327] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f7f99d2a240 <4>[ 46.414590] RDX: 000000000000000a RSI: 00007f7f99c0e000 RDI: 0000000000000001 <4>[ 46.422850] RBP: 000000000000000a R08: 00000000ffffffff R09: 0000000000000000 <4>[ 46.431111] R10: 00007f7f99c4b4d0 R11: 0000000000000202 R12: 00007f7f99c0e000 <4>[ 46.439375] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 ger videobuf2_memops cros_ec_chardev cros_usbpd_logger intel_pmc<4>[ 46.447643] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel intel_pmc_core_pltdrv uvcvideo cros_ec_sysfs videobuf2_vmalloc cros_ec_lightbar cros_ec_sensorhub cros_ec_debugfs cros_usbpd_charger videobuf2_memops cros_ec_chardev cros_usbpd_logger intel_pmc_core videobuf2_v4l2 iTCO_wdt snd_soc_da7219 bluetooth watchdog snd_soc_max98927 processor_thermal_device gsmi iwlmvm x86_pkg_temp_thermal cros_ec_dev intel_pmc_bxt ecdh_generic videobuf2_common iwlwifi idma64 snd_soc_core ecc intel_soc_dts_iosf snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify int3403_thermal int340x_thermal_zone pinctrl_sunrisepoint int3400_thermal acpi_thermal_rel cros_kbd_led_backlight chromeos_pstore coreboot_table <4>[ 46.535361] CR2: 0000000000000000 <4>[ 46.539350] ---[ end trace 8025eed8b81a5ab7 ]--- <4>[ 46.544797] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 46.549465] Code: 89 ff e8 5e ae 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 60 0e eb 03 <4>[ 46.570744] RSP: 0018:ffff9b6e8143be60 EFLAGS: 00010286 <4>[ 46.576870] RAX: ffffffffaf57fff0 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 46.585132] RDX: 0000000000000000 RSI: ffff8ab27ac1bf50 RDI: ffffffffb1440670 <4>[ 46.593394] RBP: ffffffffb1936f68 R08: 0000000000000001 R09: 0000000000000001 <4>[ 46.601654] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 46.609915] R13: ffff9b6e8143bf10 R14: ffff9b6e8143bf10 R15: ffff8ab2086b3000 <4>[ 46.618177] FS: 00007f7f99c2f740(0000) GS:ffff8ab27ad80000(0000) knlGS:0000000000000000 <4>[ 46.627509] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 46.634217] CR2: ffffffffffffffd6 CR3: 00000001070e6002 CR4: 00000000003706e0 <3>[ 46.642478] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 46.652682] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1825, name: cat <4>[ 46.661428] INFO: lockdep is turned off. <4>[ 46.666095] irq event stamp: 0 <4>[ 46.669791] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 46.677083] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 46.686502] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 46.695929] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 46.703219] CPU: 3 PID: 1825 Comm: cat Tainted: G D W 5.10.216-cip47 #1 <4>[ 46.712160] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 46.719256] Call Trace: <4>[ 46.722276] dump_stack+0x77/0x9b <4>[ 46.726266] ___might_sleep.cold+0xa6/0xb6 <4>[ 46.731120] exit_signals+0x1c/0x300 <4>[ 46.735392] do_exit+0xc2/0xab0 <4>[ 46.739180] ? ksys_write+0x68/0xf0 <4>[ 46.743361] make_task_dead+0x2f/0x30 <4>[ 46.747737] rewind_stack_and_make_dead+0x17/0x20 <4>[ 46.753279] RIP: 0033:0x7f7f99d2a240 <4>[ 46.757558] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89 <4>[ 46.778835] RSP: 002b:00007ffc3ad63e18 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 <4>[ 46.787574] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f7f99d2a240 <4>[ 46.795835] RDX: 000000000000000a RSI: 00007f7f99c0e000 RDI: 0000000000000001 <4>[ 46.804094] RBP: 000000000000000a R08: 00000000ffffffff R09: 0000000000000000 <4>[ 46.812354] R10: 00007f7f99c4b4d0 R11: 0000000000000202 R12: 00007f7f99c0e000 <4>[ 46.820632] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 _core videobuf2_v4l2 iTCO_wdt snd_soc_da7219 bluetooth watchdog snd_soc_max98927 processor_thermal_device gsmi iwlmvm x86_pkg_temp_thermal cros_ec_dev intel_pmc_bxt ecdh_generic videobuf2_common iwlwifi idma64 snd_soc_core ecc intel_soc_dts_iosf snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify int3403_thermal int340x_thermal_zone pinctrl_sunrisepoint int3400_thermal acpi_thermal_rel cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 42.352843] CR2: ffffffffb3430ea0 # [ 42.356833] ---[ end trace 8025eed8b81a5ab1 ]--- # [ 42.362271] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 42.366938] Code: 89 ff e8 5e ae 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 60 0e eb 03 # [ 42.388215] RSP: 0018:ffff9b6e8143be60 EFLAGS: 00010286 # [ 42.394338] RAX: ffffffffaf57fff0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 42.402601] RDX: 0000000000000000 RSI: ffff8ab27ac1bf50 RDI: ffffffffb1440670 # [ 42.410861] RBP: ffffffffb1936f68 R08: 0000000000000001 R09: 0000000000000001 # [ 42.419124] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 42.427384] R13: ffff9b6e8143bf10 R14: ffff9b6e8143bf10 R15: ffff8ab2086b3000 # [ 42.435648] FS: 00007f3cc789c740(0000) GS:ffff8ab27ad00000(0000) knlGS:0000000000000000 # [ 42.44<6>[ 46.964375] lkdtm: Performing direct entry ACCESS_USERSPACE 4980] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 4<6>[ 46.972197] lkdtm: attempting bad read at 00007f40ea995000 2.451687] CR2: ffffffffb3430ea0 CR3: 000000010745e005 CR4: 00000<1>[ 46.984858] BUG: unable to handle page fault for address: 00007f40ea995000 <1>[ 46.999009] #PF: supervisor read access in kernel mode <1>[ 47.005040] #PF: error_code(0x0001) - permissions violation 000003706e0 # [ 42.459951] BUG: sleeping function called from<6>[ 47.011555] PGD 80000001077b7067 P4D 80000001077b7067 PUD 10699b067 PMD 1077b6067 PTE 110109067 <4>[ 47.027788] Oops: 0001 [#12] SMP PTI <4>[ 47.032060] CPU: 1 PID: 1861 Comm: cat Tainted: G D W 5.10.216-cip47 #1 <4>[ 47.041002] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 47.048103] RIP: 0010:lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3 invalid context at include/linux/percpu-rwsem.h:49 # [ 42.47<4>[ 47.054631] Code: 00 00 00 75 64 48 83 c4 10 5d c3 cc cc cc cc 48 89 ee 48 c7 c7 b8 11 8d b1 e8 c4 d6 fb ff 48 c7 c7 e0 11 8d b1 b8 de c0 de c0 <48> 03 45 00 48 89 04 24 e8 ab d6 fb ff 48 89 ee 48 c7 c7 08 12 8d <4>[ 47.082114] RSP: 0018:ffff9b6e8274be48 EFLAGS: 00010246 <4>[ 47.088240] RAX: 00000000c0dec0de RBX: 0000000000000026 RCX: 0000000000000000 <4>[ 47.096502] RDX: 0000000000000000 RSI: ffff8ab27ac9bf50 RDI: ffffffffb18d11e0 <4>[ 47.104765] RBP: 00007f40ea995000 R08: 0000000000000000 R09: 0000000000000000 <4>[ 47.113028] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000011 <4>[ 47.121282] R13: ffff9b6e8274bf10 R14: ffff9b6e8274bf10 R15: ffff8ab2075e8000 <4>[ 47.129535] FS: 00007f40ea7ae740(0000) GS:ffff8ab27ac80000(0000) knlGS:0000000000000000 <4>[ 47.138866] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 47.145575] CR2: 00007f40ea995000 CR3: 00000001061fe003 CR4: 00000000003706e0 <4>[ 47.153838] Call Trace: <4>[ 47.156859] ? __die_body.cold+0x1a/0x1f 0147] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 160<4>[ 47.161531] ? no_context+0x177/0x380 <4>[ 47.172124] ? exc_page_fault+0x53/0x170 2, name: cat # [ 42.478895] INFO: lockdep is turned off. # [<4>[ 47.176793] ? asm_exc_page_fault+0x1e/0x30 <4>[ 47.187969] ? lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3 42.483563] irq event stamp: 0 # [ 42.487262] hardirqs last<4>[ 47.193805] ? lkdtm_ACCESS_USERSPACE.cold+0x35/0xa3 <4>[ 47.205855] direct_entry.cold+0x2c/0x38 <4>[ 47.210529] full_proxy_write+0x53/0x80 enabled at (0): [<0000000000000000>] 0x0 # [ 42.494553] har<4>[ 47.215104] vfs_write+0xe7/0x3b0 <4>[ 47.225307] ksys_write+0x68/0xf0 <4>[ 47.229298] do_syscall_64+0x30/0x40 <4>[ 47.233581] entry_SYSCALL_64_after_hwframe+0x67/0xcc <4>[ 47.239513] RIP: 0033:0x7f40ea8a9240 <4>[ 47.243793] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89 <4>[ 47.265071] RSP: 002b:00007ffc138cb978 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 <4>[ 47.273810] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007f40ea8a9240 <4>[ 47.282072] RDX: 0000000000000011 RSI: 00007f40ea78d000 RDI: 0000000000000001 <4>[ 47.290335] RBP: 0000000000000011 R08: 00000000ffffffff R09: 0000000000000000 <4>[ 47.298587] R10: 00007f40ea7ca4d0 R11: 0000000000000202 R12: 00007f40ea78d000 <4>[ 47.306848] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 dirqs last disabled at (0): [] copy_process+0x<4>[ 47.315115] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel intel_pmc_core_pltdrv uvcvideo cros_ec_sysfs videobuf2_vmalloc cros_ec_lightbar cros_ec_sensorhub cros_ec_debugfs cros_usbpd_charger videobuf2_memops cros_ec_chardev cros_usbpd_logger intel_pmc_core videobuf2_v4l2 iTCO_wdt snd_soc_da7219 bluetooth watchdog snd_soc_max98927 processor_thermal_device gsmi iwlmvm x86_pkg_temp_thermal cros_ec_dev intel_pmc_bxt ecdh_generic videobuf2_common iwlwifi idma64 snd_soc_core ecc intel_soc_dts_iosf snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify int3403_thermal int340x_thermal_zone pinctrl_sunrisepoint int3400_thermal acpi_thermal_rel cros_kbd_led_backlight chromeos_pstore coreboot_table <4>[ 47.402835] CR2: 00007f40ea995000 <4>[ 47.406824] ---[ end trace 8025eed8b81a5ab8 ]--- <4>[ 47.412271] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 47.416931] Code: 89 ff e8 5e ae 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 60 0e eb 03 <4>[ 47.438210] RSP: 0018:ffff9b6e8143be60 EFLAGS: 00010286 <4>[ 47.444335] RAX: ffffffffaf57fff0 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 47.452598] RDX: 0000000000000000 RSI: ffff8ab27ac1bf50 RDI: ffffffffb1440670 <4>[ 47.460861] RBP: ffffffffb1936f68 R08: 0000000000000001 R09: 0000000000000001 <4>[ 47.469123] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 47.477384] R13: ffff9b6e8143bf10 R14: ffff9b6e8143bf10 R15: ffff8ab2086b3000 <4>[ 47.485647] FS: 00007f40ea7ae740(0000) GS:ffff8ab27ac80000(0000) knlGS:0000000000000000 <4>[ 47.494968] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 47.501691] CR2: 00007f40ea995000 CR3: 00000001061fe003 CR4: 00000000003706e0 65c/0x20e0 # [ 42.503980] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 42.513407] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 42.520698] CPU: 2 PID: 1602 Comm: cat Tainted: G D W 5.10.216-cip47 #1 # [ 42.529638] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 42.536736] Call Trace: # [ 42.539756] dump_stack+0x77/0x9b # [ 42.543746] ___might_sleep.cold+0xa6/0xb6 # [ 42.548601] exit_signals+0x1c/0x300 # [ 42.552881] do_exit+0xc2/0xab0 # [ 42.556690] ? ksys_write+0x68/0xf0 # [ 42.560874] make_task_dead+0x2f/0x30 # [ 42.565252] rewind_stack_and_make_dead+0x17/0x20 # [ 42.570786] RIP: 0033:0x7f3cc7997240 # [ 42.575066] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89 # [ 42.596337] RSP: 002b:00007ffded346f98 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 # [ 42.605077] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f3cc7997240 # [ 42.613338] RDX: 000000000000000a RSI: 00007f3cc787b000 RDI: 0000000000000001 # [ 42.621600] RBP: 000000000000000a R08: 00000000ffffffff R09: 0000000000000000 # [ 42.629862] R10: 00007f3cc78b84d0 R11: 0000000000000202 R12: 00007f3cc787b000 # [ 42.638123] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 # EXEC_DATA: saw 'call trace:': ok ok 30 selftests: lkdtm: EXEC_DATA.sh # selftests: lkdtm: EXEC_STACK.sh # Killed # [ 42.769038] lkdtm: <6>[ 47.664951] lkdtm: Performing direct entry ACCESS_NULL Performing direct entry EXEC_STACK # [ 42.776695] lkdtm: atte<6>[ 47.671392] lkdtm: attempting bad read at 0000000000000000 mpting ok execution at ffffffffaf5803c0 # [ 42.783519] lkdtm:<1>[ 47.684030] BUG: kernel NULL pointer dereference, address: 0000000000000000 <1>[ 47.698303] #PF: supervisor read access in kernel mode <1>[ 47.704331] #PF: error_code(0x0000) - not-present page <6>[ 47.710360] PGD 0 P4D 0 <4>[ 47.713476] Oops: 0000 [#13] SMP PTI <4>[ 47.717757] CPU: 1 PID: 1897 Comm: cat Tainted: G D W 5.10.216-cip47 #1 <4>[ 47.726691] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 47.733791] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53 attempting bad execution at ffff9b6e823fbe18 # [ 42.796631] <4>[ 47.739335] Code: 68 d6 fb ff be 00 10 00 00 48 89 ef e8 c6 d4 0a ff e9 69 ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 b8 11 8d b1 e8 42 d6 fb ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 e0 11 8d b1 48 01 <4>[ 47.766825] RSP: 0018:ffff9b6e82803e58 EFLAGS: 00010246 <4>[ 47.772951] RAX: 000000000000002e RBX: 0000000000000027 RCX: 0000000000000000 <4>[ 47.781213] RDX: 0000000000000000 RSI: ffff8ab27ac9bf50 RDI: ffff8ab27ac9bf50 <4>[ 47.789472] RBP: ffffffffb18d02a9 R08: 0000000000000000 R09: 0000000000000000 <4>[ 47.797734] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c <4>[ 47.805992] R13: ffff9b6e82803f10 R14: ffff9b6e82803f10 R15: ffff8ab2027e9000 <4>[ 47.814256] FS: 00007fdb2e47a740(0000) GS:ffff8ab27ac80000(0000) knlGS:0000000000000000 <4>[ 47.823577] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 47.830285] CR2: 0000000000000000 CR3: 00000001087a8003 CR4: 00000000003706e0 <4>[ 47.838544] Call Trace: <4>[ 47.841563] ? __die_body.cold+0x1a/0x1f kernel tried to execute NX-protected page - exploit attempt? (ui<4>[ 47.846232] ? no_context+0x177/0x380 <4>[ 47.856823] ? exc_page_fault+0x53/0x170 d: 0) # [ 42.805288] BUG: unable to handle page fault for add<4>[ 47.861493] ? asm_exc_page_fault+0x1e/0x30 <4>[ 47.872688] ? lkdtm_ACCESS_NULL+0x14/0x53 ress: ffff9b6e823fbe18 # [ 42.819475] #PF: supervisor instruc<4>[ 47.877552] ? lkdtm_ACCESS_NULL+0x14/0x53 <4>[ 47.888635] direct_entry.cold+0x2c/0x38 <4>[ 47.893305] full_proxy_write+0x53/0x80 tion fetch in kernel mode # [ 42.826087] #PF: error_code(0x00<4>[ 47.897878] vfs_write+0xe7/0x3b0 <4>[ 47.908079] ksys_write+0x68/0xf0 <4>[ 47.912069] do_syscall_64+0x30/0x40 <4>[ 47.916350] entry_SYSCALL_64_after_hwframe+0x67/0xcc <4>[ 47.922281] RIP: 0033:0x7fdb2e575240 <4>[ 47.926550] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89 <4>[ 47.947824] RSP: 002b:00007ffe493a1048 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 <4>[ 47.956561] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007fdb2e575240 <4>[ 47.964824] RDX: 000000000000000c RSI: 00007fdb2e459000 RDI: 0000000000000001 <4>[ 47.973086] RBP: 000000000000000c R08: 00000000ffffffff R09: 0000000000000000 <4>[ 47.981348] R10: 00007fdb2e4964d0 R11: 0000000000000202 R12: 00007fdb2e459000 <4>[ 47.989629] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 11) - permissions violation # [ 42.838814] PGD 100000067 P4D <4>[ 47.997892] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel intel_pmc_core_pltdrv uvcvideo cros_ec_sysfs videobuf2_vmalloc cros_ec_lightbar cros_ec_sensorhub cros_ec_debugfs cros_usbpd_charger videobuf2_memops cros_ec_chardev cros_usbpd_logger intel_pmc_core videobuf2_v4l2 iTCO_wdt snd_soc_da7219 bluetooth watchdog snd_soc_max98927 processor_thermal_device gsmi iwlmvm x86_pkg_temp_thermal cros_ec_dev intel_pmc_bxt ecdh_generic videobuf2_common iwlwifi idma64 snd_soc_core ecc intel_soc_dts_iosf snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify int3403_thermal int340x_thermal_zone pinctrl_sunrisepoint int3400_thermal acpi_thermal_rel cros_kbd_led_backlight chromeos_pstore coreboot_table <4>[ 48.085600] CR2: 0000000000000000 <4>[ 48.089590] ---[ end trace 8025eed8b81a5ab9 ]--- <4>[ 48.095036] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 48.099697] Code: 89 ff e8 5e ae 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 60 0e eb 03 <4>[ 48.120964] RSP: 0018:ffff9b6e8143be60 EFLAGS: 00010286 <4>[ 48.127088] RAX: ffffffffaf57fff0 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 48.135349] RDX: 0000000000000000 RSI: ffff8ab27ac1bf50 RDI: ffffffffb1440670 <4>[ 48.143631] RBP: ffffffffb1936f68 R08: 0000000000000001 R09: 0000000000000001 <4>[ 48.151893] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 48.160153] R13: ffff9b6e8143bf10 R14: ffff9b6e8143bf10 R15: ffff8ab2086b3000 <4>[ 48.168414] FS: 00007fdb2e47a740(0000) GS:ffff8ab27ac80000(0000) knlGS:0000000000000000 <4>[ 48.177742] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 48.184448] CR2: 0000000000000000 CR3: 00000001087a8003 CR4: 00000000003706e0 <3>[ 48.192706] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 48.202909] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1897, name: cat <4>[ 48.211646] INFO: lockdep is turned off. <4>[ 48.216315] irq event stamp: 0 <4>[ 48.220011] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 48.227300] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 48.236727] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 48.246154] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 48.253444] CPU: 1 PID: 1897 Comm: cat Tainted: G D W 5.10.216-cip47 #1 <4>[ 48.262383] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 48.269478] Call Trace: <4>[ 48.272496] dump_stack+0x77/0x9b <4>[ 48.276487] ___might_sleep.cold+0xa6/0xb6 <4>[ 48.281352] exit_signals+0x1c/0x300 100000067 PUD 100242067 PMD 106b46067 PTE 80000001075c9063 # [ <4>[ 48.285633] do_exit+0xc2/0xab0 <4>[ 48.295643] ? ksys_write+0x68/0xf0 <4>[ 48.299819] make_task_dead+0x2f/0x30 <4>[ 48.304198] rewind_stack_and_make_dead+0x17/0x20 <4>[ 48.309740] RIP: 0033:0x7fdb2e575240 <4>[ 48.314018] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89 <4>[ 48.335297] RSP: 002b:00007ffe493a1048 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 <4>[ 48.344036] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007fdb2e575240 <4>[ 48.352297] RDX: 000000000000000c RSI: 00007fdb2e459000 RDI: 0000000000000001 <4>[ 48.360560] RBP: 000000000000000c R08: 00000000ffffffff R09: 0000000000000000 <4>[ 48.368821] R10: 00007fdb2e4964d0 R11: 0000000000000202 R12: 00007fdb2e459000 <4>[ 48.377082] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 42.854365] Oops: 0011 [#6] SMP PTI # [ 42.858549] CPU: 2 PID: 1639 Comm: cat Tainted: G D W 5.10.216-cip47 #1 # [ 42.867492] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 42.874594] RIP: 0010:0xffff9b6e823fbe18 # [ 42.879266] Code: 00 00 18 be 3f 82 6e 9b ff ff 80 a7 c5 af ff ff ff ff 20 00 00 00 00 00 00 00 4e 02 8d b1 ff ff ff ff af a8 c5 af ff ff ff ff <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 # [ 42.906760] RSP: 0018:ffff9b6e823fbdf8 EFLAGS: 00010246 # [ 42.912885] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 42.921148] RDX: 0000000000000000 RSI: ffff8ab27ad1bf50 RDI: ffff8ab27ad1bf50 # [ 42.929410] RBP: ffff9b6e823fbe18 R08: 0000000000000000 R09: 0000000000000000 # [ 42.937685] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b # [ 42.945947] R13: ffff9b6e823fbf10 R14: ffff9b6e823fbf10 R15: ffff8ab204760000 # [ 42.954210] FS: 00007efd91a13740(0000) GS:ffff8ab27ad00000(0000) knlGS:0000000000000000 # [ 42.963532] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 42.970239] CR2: ffff9b6e823fbe18 CR3: 0000000105610001 CR4: 00000000003706e0 # [ 42.978500] Call Trace: # [ 42.981522] ? __die_body.cold+0x1a/0x1f # [ 42.986202] ? no_context+0x177/0x380 # [ 42.990583] ? exc_page_fault+0xd7/0x170 # [ 42.995253] ? asm_exc_page_fault+0x1e/0<6>[ 48.517981] lkdtm: Performing direct entry WRITE_RO <6>[ 48.527823] lkdtm: attempting bad rodata write at ffffffffb1440af0 <1>[ 48.535032] BUG: unable to handle page fault for address: ffffffffb1440af0 x30 # [ 43.000218] ? execute_location+0x45/0x56 # [ 43.00<1>[ 48.543027] #PF: supervisor write access in kernel mode <1>[ 48.555368] #PF: error_code(0x0003) - permissions violation 49<83] ? lkdtm_EXEC_STACK+0x26/0x44 # [ 43.009749] ? direct_6>[ 48.561885] PGD 34029067 P4D 34029067 PUD 3402a063 PMD 80000000338000e1 <4>[ 48.575884] Oops: 0003 [#14] SMP PTI <4>[ 48.580166] CPU: 3 PID: 1933 Comm: cat Tainted: G D W 5.10.216-cip47 #1 <4>[ 48.589111] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 48.596211] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a entry.cold+0x2c/0x38 # [ 43.014637] ? full_proxy_write+0x53/<4>[ 48.601462] Code: 00 48 c7 c7 98 10 8d b1 48 c7 c6 f0 0a 44 b1 e8 ec d8 fb ff 48 8b 05 40 63 7e 01 ba 34 12 cd ab 48 c7 c7 c8 10 8d b1 48 31 d0 <48> 89 05 2a 63 7e 01 e9 ca d8 fb ff 0f 1f 44 00 00 48 8b 05 79 eb <4>[ 48.628953] RSP: 0018:ffff9b6e8289be60 EFLAGS: 00010202 <4>[ 48.635080] RAX: 000000000198b861 RBX: 0000000000000028 RCX: 0000000000000000 <4>[ 48.643342] RDX: 00000000abcd1234 RSI: ffff8ab27ad9bf50 RDI: ffffffffb18d10c8 <4>[ 48.651603] RBP: ffffffffb18d02b5 R08: 0000000000000000 R09: 0000000000000000 <4>[ 48.659865] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000009 <4>[ 48.668125] R13: ffff9b6e8289bf10 R14: ffff9b6e8289bf10 R15: ffff8ab202ae0000 <4>[ 48.676388] FS: 00007f2a23f28740(0000) GS:ffff8ab27ad80000(0000) knlGS:0000000000000000 <4>[ 48.685718] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 48.692427] CR2: ffffffffb1440af0 CR3: 0000000106122001 CR4: 00000000003706e0 <4>[ 48.700688] Call Trace: <4>[ 48.703710] ? __die_body.cold+0x1a/0x1f <4>[ 48.708380] ? no_context+0x177/0x380 <4>[ 48.712759] ? exc_page_fault+0xd7/0x170 <4>[ 48.717428] ? asm_exc_page_fault+0x1e/0x30 <4>[ 48.722391] ? lkdtm_WRITE_RO+0x2e/0x3a <4>[ 48.726960] direct_entry.cold+0x2c/0x38 <4>[ 48.731635] full_proxy_write+0x53/0x80 <4>[ 48.736208] vfs_write+0xe7/0x3b0 <4>[ 48.740196] ksys_write+0x68/0xf0 <4>[ 48.744183] do_syscall_64+0x30/0x40 <4>[ 48.748464] entry_SYSCALL_64_after_hwframe+0x67/0xcc <4>[ 48.754396] RIP: 0033:0x7f2a24023240 <4>[ 48.758684] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89 <4>[ 48.779961] RSP: 002b:00007ffdde882088 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 <4>[ 48.788708] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f2a24023240 <4>[ 48.796971] RDX: 0000000000000009 RSI: 00007f2a23f07000 RDI: 0000000000000001 <4>[ 48.805235] RBP: 0000000000000009 R08: 00000000ffffffff R09: 0000000000000000 <4>[ 48.813498] R10: 00007f2a23f444d0 R11: 0000000000000202 R12: 00007f2a23f07000 <4>[ 48.821758] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 0x80 # [ 43.019404] ? vfs_write+0xe7/0x3b0 # [ 43.023580]<4>[ 48.830024] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel intel_pmc_core_pltdrv uvcvideo cros_ec_sysfs videobuf2_vmalloc cros_ec_lightbar cros_ec_sensorhub cros_ec_debugfs cros_usbpd_charger videobuf2_memops cros_ec_chardev cros_usbpd_logger intel_pmc_core videobuf2_v4l2 iTCO_wdt snd_soc_da7219 bluetooth watchdog snd_soc_max98927 processor_thermal_device gsmi iwlmvm x86_pkg_temp_thermal cros_ec_dev intel_pmc_bxt ecdh_generic videobuf2_common iwlwifi idma64 snd_soc_core ecc intel_soc_dts_iosf snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify int3403_thermal int340x_thermal_zone pinctrl_sunrisepoint int3400_thermal acpi_thermal_rel cros_kbd_led_backlight chromeos_pstore coreboot_table <4>[ 48.917775] CR2: ffffffffb1440af0 <4>[ 48.921765] ---[ end trace 8025eed8b81a5aba ]--- <4>[ 48.927213] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 48.931881] Code: 89 ff e8 5e ae 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 60 0e eb 03 <4>[ 48.953158] RSP: 0018:ffff9b6e8143be60 EFLAGS: 00010286 <4>[ 48.959284] RAX: ffffffffaf57fff0 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 48.967546] RDX: 0000000000000000 RSI: ffff8ab27ac1bf50 RDI: ffffffffb1440670 <4>[ 48.975809] RBP: ffffffffb1936f68 R08: 0000000000000001 R09: 0000000000000001 <4>[ 48.984070] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 48.992332] R13: ffff9b6e8143bf10 R14: ffff9b6e8143bf10 R15: ffff8ab2086b3000 <4>[ 49.000595] FS: 00007f2a23f28740(0000) GS:ffff8ab27ad80000(0000) knlGS:0000000000000000 <4>[ 49.009915] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 49.016633] CR2: ffffffffb1440af0 CR3: 0000000106122001 CR4: 00000000003706e0 ? ksys_write+0x68/0xf0 # [ 43.027764] ? do_syscall_64+0x30/0x40 # [ 43.032230] ? entry_SYSCALL_64_after_hwframe+0x67/0xcc # [ 43.038358] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel intel_pmc_core_pltdrv uvcvideo cros_ec_sysfs videobuf2_vmalloc cros_ec_lightbar cros_ec_sensorhub cros_ec_debugfs cros_usbpd_charger videobuf2_memops cros_ec_chardev cros_usbpd_logger intel_pmc_core videobuf2_v4l2 iTCO_wdt snd_soc_da7219 bluetooth watchdog snd_soc_max98927 processor_thermal_device gsmi iwlmvm x86_pkg_temp_thermal cros_ec_dev intel_pmc_bxt ecdh_generic videobuf2_common iwlwifi idma64 snd_soc_core ecc intel_soc_dts_iosf snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify int3403_thermal int340x_thermal_zone pinctrl_sunrisepoint int3400_thermal acpi_thermal_rel cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 43.126104] CR2: ffff9b6e823fbe18 # [ 43.130094] ---[ end trace 8025eed8b81a5ab2 ]--- # [ 43.135532] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 43.140200] Code: 89 ff e8 5e ae 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 60 0e eb 03 # [ 43.1614<6>[ 49.151586] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT 77] RSP: 0018:ffff9b6e8143be60 EFLAGS: 00010286 # [ 43.167593<6>[ 49.162293] lkdtm: attempting bad ro_after_init write at ffffffffb1959350 ] RAX: ffffffffaf57fff0 RBX: 0000000000000001 RCX: 0000000000000<1>[ 49.176404] BUG: unable to handle page fault for address: ffffffffb1959350 <1>[ 49.190562] #PF: supervisor write access in kernel mode <1>[ 49.196690] #PF: error_code(0x0003) - permissions violation <6>[ 49.203195] PGD 34029067 P4D 34029067 PUD 3402a063 PMD 8000000033c000e1 000 # [ 43.175853] RDX: 0000000000000000 RSI: ffff8ab27ac1bf5<4>[ 49.210977] Oops: 0003 [#15] SMP PTI <4>[ 49.221470] CPU: 1 PID: 1969 Comm: cat Tainted: G D W 5.10.216-cip47 #1 <4>[ 49.230416] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 49.237516] RIP: 0010:lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a 0 RDI: ffffffffb1440670 # [ 43.184114] RBP: ffffffffb1936f68 <4>[ 49.243837] Code: 10 8d b1 e9 9e d8 fb ff 48 c7 c7 20 11 8d b1 e8 92 d8 fb ff 48 8b 05 46 eb cf 01 ba 34 12 cd ab 48 c7 c7 c8 10 8d b1 48 31 d0 <48> 89 05 30 eb cf 01 e9 70 d8 fb ff 0f 1f 44 00 00 41 54 48 c7 c7 <4>[ 49.271331] RSP: 0018:ffff9b6e8293be60 EFLAGS: 00010202 <4>[ 49.277448] RAX: 00000000fe67479e RBX: 0000000000000029 RCX: 0000000000000000 <4>[ 49.285709] RDX: 00000000abcd1234 RSI: ffff8ab27ac9bf50 RDI: ffffffffb18d10c8 <4>[ 49.293972] RBP: ffffffffb18d02be R08: 0000000000000000 R09: 0000000000000000 <4>[ 49.302233] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000014 <4>[ 49.310496] R13: ffff9b6e8293bf10 R14: ffff9b6e8293bf10 R15: ffff8ab208708000 <4>[ 49.318758] FS: 00007fa928244740(0000) GS:ffff8ab27ac80000(0000) knlGS:0000000000000000 <4>[ 49.328088] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 49.334796] CR2: ffffffffb1959350 CR3: 0000000105f94005 CR4: 00000000003706e0 <4>[ 49.343058] Call Trace: <4>[ 49.346079] ? __die_body.cold+0x1a/0x1f R08: 0000000000000001 R09: 0000000000000001 # [ 43.192375] R1<4>[ 49.350749] ? no_context+0x177/0x380 <4>[ 49.361344] ? exc_page_fault+0xd7/0x170 0: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 49.366014] ? asm_exc_page_fault+0x1e/0x30 <4>[ 49.377191] ? lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a # [ 43.200630] R13: ffff9b6e8143bf10 R14: ffff9b6e8143bf10 R1<4>[ 49.382833] direct_entry.cold+0x2c/0x38 <4>[ 49.393719] full_proxy_write+0x53/0x80 5: ffff8ab2086b3000 # [ 43.208890] FS: 00007efd91a13740(0000<4>[ 49.398294] vfs_write+0xe7/0x3b0 <4>[ 49.408498] ksys_write+0x68/0xf0 <4>[ 49.412488] do_syscall_64+0x30/0x40 <4>[ 49.416761] entry_SYSCALL_64_after_hwframe+0x67/0xcc <4>[ 49.422694] RIP: 0033:0x7fa92833f240 <4>[ 49.426974] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89 <4>[ 49.448255] RSP: 002b:00007ffc90b39518 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 <4>[ 49.457002] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007fa92833f240 <4>[ 49.465265] RDX: 0000000000000014 RSI: 00007fa928223000 RDI: 0000000000000001 <4>[ 49.473528] RBP: 0000000000000014 R08: 00000000ffffffff R09: 0000000000000000 <4>[ 49.481790] R10: 00007fa9282604d0 R11: 0000000000000202 R12: 00007fa928223000 <4>[ 49.490050] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 ) GS:ffff8ab27ad00000(0000) knlGS:0000000000000000 # [ 43.218<4>[ 49.498316] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel intel_pmc_core_pltdrv uvcvideo cros_ec_sysfs videobuf2_vmalloc cros_ec_lightbar cros_ec_sensorhub cros_ec_debugfs cros_usbpd_charger videobuf2_memops cros_ec_chardev cros_usbpd_logger intel_pmc_core videobuf2_v4l2 iTCO_wdt snd_soc_da7219 bluetooth watchdog snd_soc_max98927 processor_thermal_device gsmi iwlmvm x86_pkg_temp_thermal cros_ec_dev intel_pmc_bxt ecdh_generic videobuf2_common iwlwifi idma64 snd_soc_core ecc intel_soc_dts_iosf snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify int3403_thermal int340x_thermal_zone pinctrl_sunrisepoint int3400_thermal acpi_thermal_rel cros_kbd_led_backlight chromeos_pstore coreboot_table <4>[ 49.586040] CR2: ffffffffb1959350 <4>[ 49.590029] ---[ end trace 8025eed8b81a5abb ]--- <4>[ 49.595468] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 49.600138] Code: 89 ff e8 5e ae 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 60 0e eb 03 <4>[ 49.621419] RSP: 0018:ffff9b6e8143be60 EFLAGS: 00010286 <4>[ 49.627544] RAX: ffffffffaf57fff0 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 49.635808] RDX: 0000000000000000 RSI: ffff8ab27ac1bf50 RDI: ffffffffb1440670 <4>[ 49.644070] RBP: ffffffffb1936f68 R08: 0000000000000001 R09: 0000000000000001 <4>[ 49.652331] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 49.660593] R13: ffff9b6e8143bf10 R14: ffff9b6e8143bf10 R15: ffff8ab2086b3000 <4>[ 49.668856] FS: 00007fa928244740(0000) GS:ffff8ab27ac80000(0000) knlGS:0000000000000000 <4>[ 49.678180] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 49.684888] CR2: ffffffffb1959350 CR3: 0000000105f94005 CR4: 00000000003706e0 <3>[ 49.693150] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 49.703355] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1969, name: cat <4>[ 49.712103] INFO: lockdep is turned off. <4>[ 49.716770] irq event stamp: 0 <4>[ 49.720466] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 49.727760] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 49.737188] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 49.746634] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 49.753926] CPU: 1 PID: 1969 Comm: cat Tainted: G D W 5.10.216-cip47 #1 <4>[ 49.762868] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 49.769965] Call Trace: <4>[ 49.772986] dump_stack+0x77/0x9b 219] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 43<4>[ 49.776976] ___might_sleep.cold+0xa6/0xb6 <4>[ 49.788055] exit_signals+0x1c/0x300 <4>[ 49.792337] do_exit+0xc2/0xab0 <4>[ 49.796133] ? ksys_write+0x68/0xf0 <4>[ 49.800319] make_task_dead+0x2f/0x30 <4>[ 49.804697] rewind_stack_and_make_dead+0x17/0x20 <4>[ 49.810239] RIP: 0033:0x7fa92833f240 <4>[ 49.814520] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89 <4>[ 49.835796] RSP: 002b:00007ffc90b39518 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 <4>[ 49.844543] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007fa92833f240 <4>[ 49.852803] RDX: 0000000000000014 RSI: 00007fa928223000 RDI: 0000000000000001 <4>[ 49.861065] RBP: 0000000000000014 R08: 00000000ffffffff R09: 0000000000000000 <4>[ 49.869327] R10: 00007fa9282604d0 R11: 0000000000000202 R12: 00007fa928223000 <4>[ 49.877590] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 .224924] CR2: ffff9b6e823fbe18 CR3: 0000000105610001 CR4: 00000000003706e0 # EXEC_STACK: saw 'call trace:': ok ok 31 selftests: lkdtm: EXEC_STACK.sh # selftests: lkdtm: EXEC_KMALLOC.sh # Killed # [ 43.370448] lkdtm: Performing direct entry EXEC_KMALLOC # [ 43.382435] lkdtm: attempting ok execution at ffffffffaf5803c0 # [ 43.395456] lkdtm: attempting bad execution at ffff8ab206802cc0 # [ 43.408579] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 43.423442] BUG: unable to handle page fault for address: ffff8ab206802cc0 # [ 43.431405] #PF: supervisor instruction fetch in kernel mode # [ 43.438009] #PF: error_code(0x0011) - permissions violation # [ 43.444515] PGD 35a01067 P4D 35a01067 PUD 100847063 PMD 1068b2063 PTE 8000000106802063 # [ 43.453657] Oops: 0011 [#7] SMP PTI # [ 43.464054] CPU: 1 PID: 1677 Comm: cat Tainted: G D W 5.10.216-cip47 #1 # [ 43.472986] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 43.480084] RIP: 0010:0xffff8ab206802cc0 # [ 43.484752] Code: 00 00 02 00 00 00 00 00 00 00 00 2b 80 06 b2 8a ff ff 04 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 7b fa af ae ff ff ff ff <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 # [ 43.506031] RSP: 0018:ffff9b6e824a3e38 EFLAGS: 00010246 # [ 43.512156] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 43.520419] RDX: 0000000000000000 RSI: ffff8ab27ac9bf50 RDI: ffff8ab27ac9bf50 # [ 43.528680] RBP: ffff8ab206802cc0 R08: 0000000000000000 R09: 0000000000000000 # [ 43.536942] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d # [ 43.545203] R13: ffff9b6e824a3f10 R14: ffff9b6e824a3f10 R15: ffff8ab2089f1000 # [ 43.553466] FS: 00007ff4f0e9f740(0000) <6>[ 50.057288] lkdtm: Performing direct entry WRITE_KERN GS:ffff8ab27ac80000(0000) knlGS:0000000000000000 # [ 43.56279<6>[ 50.065822] lkdtm: attempting bad 7185258 byte write at ffffffffafc5a72a 7] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 43.5<1>[ 50.079840] BUG: unable to handle page fault for address: ffffffffafc5a72a <1>[ 50.093998] #PF: supervisor write access in kernel mode <1>[ 50.100115] #PF: error_code(0x0003) - permissions violation <6>[ 50.106633] PGD 34029067 P4D 34029067 PUD 3402a063 PMD 320000e1 69496] CR2: ffff8ab206802cc0 CR3: 0000000105f94006 CR4: 00000000<4>[ 50.113638] Oops: 0003 [#16] SMP PTI <4>[ 50.124133] CPU: 1 PID: 2005 Comm: cat Tainted: G D W 5.10.216-cip47 #1 <4>[ 50.133068] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 50.140159] RIP: 0010:lkdtm_WRITE_KERN+0x38/0x4e 00<3706e0 # [ 43.577757] Call Trace: # [ 43.580778] ? __di4>[ 50.145625] Code: 53 48 c7 c3 2a a7 c5 af 49 89 dc 48 89 da 49 81 ec c0 03 58 af 4c 89 e6 e8 45 d8 fb ff 48 89 df 4c 89 e1 48 c7 c6 c0 03 58 af a4 48 c7 c7 c8 10 8d b1 e8 2a d8 fb ff 5b 41 5c e9 b7 fe ff ff <4>[ 50.173123] RSP: 0018:ffff9b6e829cbe50 EFLAGS: 00010246 <4>[ 50.179250] RAX: 000000000000003c RBX: ffffffffafc5a72a RCX: 00000000006da36a <4>[ 50.187513] RDX: 0000000000000000 RSI: ffffffffaf5803c0 RDI: ffffffffafc5a72a <4>[ 50.195774] RBP: ffffffffb18d02d2 R08: 0000000000000000 R09: 0000000000000000 <4>[ 50.204036] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 00000000006da36a <4>[ 50.212290] R13: ffff9b6e829cbf10 R14: ffff9b6e829cbf10 R15: ffff8ab20877c000 <4>[ 50.220554] FS: 00007f54d5c18740(0000) GS:ffff8ab27ac80000(0000) knlGS:0000000000000000 <4>[ 50.229875] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 50.236582] CR2: ffffffffafc5a72a CR3: 000000010294c006 CR4: 00000000003706e0 <4>[ 50.244846] Call Trace: <4>[ 50.247867] ? __die_body.cold+0x1a/0x1f e_body.cold+0x1a/0x1f # [ 43.591683] ? no_context+0x177/0x38<4>[ 50.252539] ? no_context+0x177/0x380 <4>[ 50.263131] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 <4>[ 50.268871] ? exc_page_fault+0xd7/0x170 <4>[ 50.273542] ? asm_exc_page_fault+0x1e/0x30 <4>[ 50.278494] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 <4>[ 50.284232] ? lkdtm_SLAB_FREE_PAGE+0x40/0x40 0 # [ 43.596065] ? exc_page_fault+0xd7/0x170 # [ 43.60694<4>[ 50.289389] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 <4>[ 50.301344] ? lkdtm_WRITE_KERN+0x38/0x4e <4>[ 50.306110] direct_entry.cold+0x2c/0x38 <4>[ 50.310781] full_proxy_write+0x53/0x80 6] ? asm_exc_page_fault+0x1e/0x30 # [ 43.611913] ? execute_<4>[ 50.315356] vfs_write+0xe7/0x3b0 <4>[ 50.325560] ksys_write+0x68/0xf0 <4>[ 50.329551] do_syscall_64+0x30/0x40 <4>[ 50.333833] entry_SYSCALL_64_after_hwframe+0x67/0xcc <4>[ 50.339764] RIP: 0033:0x7f54d5d13240 <4>[ 50.344044] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89 <4>[ 50.365313] RSP: 002b:00007ffff5134c98 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 <4>[ 50.374061] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f54d5d13240 <4>[ 50.382323] RDX: 000000000000000b RSI: 00007f54d5bf7000 RDI: 0000000000000001 <4>[ 50.390586] RBP: 000000000000000b R08: 00000000ffffffff R09: 0000000000000000 <4>[ 50.398847] R10: 00007f54d5c344d0 R11: 0000000000000202 R12: 00007f54d5bf7000 <4>[ 50.407109] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 location+0x45/0x56 # [ 43.622895] ? lkdtm_EXEC_KMALLOC+0x2c/<4>[ 50.415375] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel intel_pmc_core_pltdrv uvcvideo cros_ec_sysfs videobuf2_vmalloc cros_ec_lightbar cros_ec_sensorhub cros_ec_debugfs cros_usbpd_charger videobuf2_memops cros_ec_chardev cros_usbpd_logger intel_pmc_core videobuf2_v4l2 iTCO_wdt snd_soc_da7219 bluetooth watchdog snd_soc_max98927 processor_thermal_device gsmi iwlmvm x86_pkg_temp_thermal cros_ec_dev intel_pmc_bxt ecdh_generic videobuf2_common iwlwifi idma64 snd_soc_core ecc intel_soc_dts_iosf snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify int3403_thermal int340x_thermal_zone pinctrl_sunrisepoint int3400_thermal acpi_thermal_rel cros_kbd_led_backlight chromeos_pstore coreboot_table <4>[ 50.503096] CR2: ffffffffafc5a72a <4>[ 50.507084] ---[ end trace 8025eed8b81a5abc ]--- <4>[ 50.512530] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 50.517200] Code: 89 ff e8 5e ae 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 60 0e eb 03 <4>[ 50.538469] RSP: 0018:ffff9b6e8143be60 EFLAGS: 00010286 <4>[ 50.544592] RAX: ffffffffaf57fff0 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 50.552856] RDX: 0000000000000000 RSI: ffff8ab27ac1bf50 RDI: ffffffffb1440670 <4>[ 50.561119] RBP: ffffffffb1936f68 R08: 0000000000000001 R09: 0000000000000001 <4>[ 50.569382] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 50.577645] R13: ffff9b6e8143bf10 R14: ffff9b6e8143bf10 R15: ffff8ab2086b3000 <4>[ 50.585907] FS: 00007f54d5c18740(0000) GS:ffff8ab27ac80000(0000) knlGS:0000000000000000 <4>[ 50.595238] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 50.601946] CR2: ffffffffafc5a72a CR3: 000000010294c006 CR4: 00000000003706e0 0x40 # [ 43.627846] ? direct_entry.cold+0x2c/0x38 # [ 43.632711] ? full_proxy_write+0x53/0x80 # [ 43.637479] ? vfs_write+0xe7/0x3b0 # [ 43.647876] ? ksys_write+0x68/0xf0 # [ 43.652060] ? do_syscall_64+0x30/0x40 # [ 43.656535] ? entry_SYSCALL_64_after_hwframe+0x67/0xcc # [ 43.662655] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel intel_pmc_core_pltdrv uvcvideo cros_ec_sysfs videobuf2_vmalloc cros_ec_lightbar cros_ec_sensorhub cros_ec_debugfs cros_usbpd_charger videobuf2_memops cros_ec_chardev cros_usbpd_logger intel_pmc_core videobuf2_v4l2 iTCO_wdt snd_soc_da7219 bluetooth watchdog snd_soc_max98927 processor_thermal_device gsmi iwlmvm x86_pkg_temp_thermal cros_ec_dev intel_pmc_bxt ecdh_generic videobuf2_common iwlwifi idma64 snd_soc_core ecc intel_soc_dts_iosf snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify int3403_thermal int340x_thermal_zone pinctrl_sunrisepoint int3400_thermal acpi_thermal_rel cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 43.750393] CR2: ffff8ab206802cc0 # [ 43.754382] ---[ end trace 8025eed8b81a5ab3 ]--- # [ 43.759829] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 43.764499] Code: 89 ff e8 5e ae 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00<6>[ 50.748024] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW <6>[ 50.760236] lkdtm: attempting good refcount_inc() without overflow <6>[ 50.767488] lkdtm: attempting bad refcount_inc() overflow 83 05 60 0e eb 03 # [ 43.785778] RSP: 0018:ffff9b6e8143be60 <4>[ 50.773812] ------------[ cut here ]------------ <4>[ 50.785469] refcount_t: saturated; leaking memory. <4>[ 50.791145] WARNING: CPU: 2 PID: 2041 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 EFLAGS: 00010286 # [ 43.791904] RAX: ffffffffaf57fff0 RBX: 00<4>[ 50.800874] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel intel_pmc_core_pltdrv uvcvideo cros_ec_sysfs videobuf2_vmalloc cros_ec_lightbar cros_ec_sensorhub cros_ec_debugfs cros_usbpd_charger videobuf2_memops cros_ec_chardev cros_usbpd_logger intel_pmc_core videobuf2_v4l2 iTCO_wdt snd_soc_da7219 bluetooth watchdog snd_soc_max98927 processor_thermal_device gsmi iwlmvm x86_pkg_temp_thermal cros_ec_dev intel_pmc_bxt ecdh_generic videobuf2_common iwlwifi idma64 snd_soc_core ecc intel_soc_dts_iosf snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify int3403_thermal int340x_thermal_zone pinctrl_sunrisepoint int3400_thermal acpi_thermal_rel cros_kbd_led_backlight chromeos_pstore coreboot_table <4>[ 50.888582] CPU: 2 PID: 2041 Comm: cat Tainted: G D W 5.10.216-cip47 #1 00000000000001 RCX: 0000000000000000 # [ 43.800166] RDX: 0000<4>[ 50.897558] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 000000000000 RSI: ffff8ab27ac1bf50 RDI: ffffffffb1440670 # [ <4>[ 50.910878] RIP: 0010:refcount_warn_saturate+0x51/0x110 43.808428] RBP: ffffffffb1936f68 R08: 0000000000000001 R09: 0000<4>[ 50.923222] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d c9 d1 f6 02 00 75 ee 48 c7 c7 40 aa 82 b1 c6 05 b9 d1 f6 02 01 e8 55 70 c5 00 <0f> 0b c3 cc cc cc cc 80 3d a5 d1 f6 02 00 75 cb 48 c7 c7 68 aa 82 <4>[ 50.950721] RSP: 0018:ffff9b6e82a53e48 EFLAGS: 00010286 <4>[ 50.956880] RAX: 0000000000000000 RBX: 000000000000002b RCX: 0000000000000000 <4>[ 50.965145] RDX: ffff8ab27ad2c620 RSI: ffff8ab27ad1bf50 RDI: ffff8ab27ad1bf50 <4>[ 50.973411] RBP: ffffffffb18d02dd R08: 0000000000000000 R09: 0000000000000000 <4>[ 50.981707] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 000000000001 # [ 43.816683] R10: 00000000ffffe000 R11: 3fffff<4>[ 50.989988] R13: ffff9b6e82a53f10 R14: ffff9b6e82a53f10 R15: ffff8ab204768000 <4>[ 51.004457] FS: 00007fe7fd31f740(0000) GS:ffff8ab27ad00000(0000) knlGS:0000000000000000 <4>[ 51.013822] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 51.020534] CR2: 00007fe7fd2fe000 CR3: 0000000107456005 CR4: 00000000003706e0 <4>[ 51.028800] Call Trace: <4>[ 51.031826] ? __warn+0x80/0x110 ffffffffff R12: 0000000000000004 # [ 43.824944] R13: ffff9b6e<4>[ 51.035748] ? refcount_warn_saturate+0x51/0x110 <4>[ 51.047409] ? report_bug+0x9e/0xc0 8143bf10 R14: ffff9b6e8143bf10 R15: ffff8ab2086b3000 # [ 43.8<4>[ 51.051638] ? handle_bug+0x41/0x90 <4>[ 51.062042] ? exc_invalid_op+0x14/0x70 33209] FS: 00007ff4f0e9f740(0000) GS:ffff8ab27ac80000(0000) knl<4>[ 51.066650] ? asm_exc_invalid_op+0x12/0x20 <4>[ 51.077835] ? refcount_warn_saturate+0x51/0x110 <4>[ 51.083315] ? refcount_warn_saturate+0x51/0x110 <4>[ 51.088768] lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x98 <4>[ 51.094444] direct_entry.cold+0x2c/0x38 <4>[ 51.099120] full_proxy_write+0x53/0x80 <4>[ 51.103728] vfs_write+0xe7/0x3b0 <4>[ 51.107754] ksys_write+0x68/0xf0 <4>[ 51.111778] do_syscall_64+0x30/0x40 <4>[ 51.116094] entry_SYSCALL_64_after_hwframe+0x67/0xcc <4>[ 51.122062] RIP: 0033:0x7fe7fd41a240 <4>[ 51.126346] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89 GS:0000000000000000 # [ 43.842531] CS: 0010 DS: 0000 ES: 000<4>[ 51.147639] RSP: 002b:00007ffff1b25af8 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 <4>[ 51.162626] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fe7fd41a240 0 CR0: 0000000080050033 # [ 43.849241] CR2: ffff8ab206802cc0 <4>[ 51.170902] RDX: 0000000000000016 RSI: 00007fe7fd2fe000 RDI: 0000000000000001 <4>[ 51.185378] RBP: 0000000000000016 R08: 00000000ffffffff R09: 0000000000000000 <4>[ 51.193649] R10: 00007fe7fd33b4d0 R11: 0000000000000202 R12: 00007fe7fd2fe000 CR3: 0000000105f94006 CR4: 00000000003706e0 # [ 43.857495] BU<4>[ 51.201922] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 G: sleeping function called from invalid context at include/linu<4>[ 51.216409] irq event stamp: 0 <4>[ 51.226326] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 51.233651] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 x/percpu-rwsem.h:49 # [ 43.867700] in_atomic(): 0, irqs_disab<4>[ 51.243090] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 51.258729] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 51.266024] ---[ end trace 8025eed8b81a5abd ]--- <6>[ 51.271471] lkdtm: Overflow detected: saturated led(): 1, non_block: 0, pid: 1677, name: cat # [ 43.876448] INFO: lockdep is turned off. # [ 43.881116] irq event stamp: 0 # [ 43.884812] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 43.892104] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 43.901524] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 43.910942] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 43.918233] CPU: 1 PID: 1677 Comm: cat Tainted: G D W 5.10.216-cip47 #1 # [ 43.927175] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 43.934272] Call Trace: # [ 43.937292] dump_stack+0x77/0x9b # [ 43.941283] ___might_sleep.cold+0xa6/0xb6 # [ 43.952360] exit_signals+0x1c/0x300 # [ 43.956642] do_exit+0xc2/0xab0 # [ 43.966653] ? ksys_write+0x68/0xf0 # [ 43.970838] make_task_dead+0x2f/0x30 # [ 43.975208] rewind_stack_and_make_dead+0x17/0x20 # [ 43.980751] RIP: 0033:0x7ff4f0f9a240 # [ 43.985031] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89 # [ 44.006299] RSP: 002b:00007ffdcd24ee18 <6>[ 51.397840] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW EFLAGS: 00000202 ORIG_RAX: 0000000000000001 # [ 44.015049] RA<6>[ 51.408168] lkdtm: attempting good refcount_add() without overflow X: ffffffffffffffda RBX: 000000000000000d RCX: 00007ff4f0f9a240 <6>[ 51.421586] lkdtm: attempting bad refcount_add() overflow # [ 44.023311] RDX: 000000000000000d RSI: 00007ff4f0e7e000 RD<4>[ 51.434122] ------------[ cut here ]------------ I: 0000000000000001 # [ 44.031575] RBP: 000000000000000d R08:<4>[ 51.445789] refcount_t: saturated; leaking memory. 00000000ffffffff R09: 0000000000000000 # [ 44.039836] R10: 0<4>[ 51.457665] WARNING: CPU: 1 PID: 2074 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 0007ff4f0ebb4d0 R11: 0000000000000202 R12: 00007ff4f0e7e000 # [<4>[ 51.473592] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel intel_pmc_core_pltdrv uvcvideo cros_ec_sysfs videobuf2_vmalloc cros_ec_lightbar cros_ec_sensorhub cros_ec_debugfs cros_usbpd_charger videobuf2_memops cros_ec_chardev cros_usbpd_logger intel_pmc_core videobuf2_v4l2 iTCO_wdt snd_soc_da7219 bluetooth watchdog snd_soc_max98927 processor_thermal_device gsmi iwlmvm x86_pkg_temp_thermal cros_ec_dev intel_pmc_bxt ecdh_generic videobuf2_common iwlwifi idma64 snd_soc_core ecc intel_soc_dts_iosf snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify int3403_thermal int340x_thermal_zone pinctrl_sunrisepoint int3400_thermal acpi_thermal_rel cros_kbd_led_backlight chromeos_pstore coreboot_table 44.048097] R13: 0000000000000001 R14: 0000000000020000 R15: 0<4>[ 51.561318] CPU: 1 PID: 2074 Comm: cat Tainted: G D W 5.10.216-cip47 #1 000000000000000 # EXEC_KMALLOC: saw 'call trace:': ok ok 32 se<4>[ 51.576482] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 lftests: lkdtm: EXEC_KMALLOC.sh # selftests: lkdtm: EXEC_VMALLO<4>[ 51.589801] RIP: 0010:refcount_warn_saturate+0x51/0x110 C.sh # Killed # [ 44.176018] lkdtm: Performing direct entry <4>[ 51.602145] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d c9 d1 f6 02 00 75 ee 48 c7 c7 40 aa 82 b1 c6 05 b9 d1 f6 02 01 e8 55 70 c5 00 <0f> 0b c3 cc cc cc cc 80 3d a5 d1 f6 02 00 75 cb 48 c7 c7 68 aa 82 EXEC_VMALLOC # [ 44.186802] lkdtm: attempting ok execution at<4>[ 51.629655] RSP: 0018:ffff9b6e82acbe48 EFLAGS: 00010286 ffffffffaf5803c0 # [ 44.193624] lkdtm: attempting bad execut<4>[ 51.641994] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000 <4>[ 51.656474] RDX: ffff8ab27acac620 RSI: ffff8ab27ac9bf50 RDI: ffff8ab27ac9bf50 ion at ffff9b6e803a1000 # [ 44.200539] kernel tried to execut<4>[ 51.664742] RBP: ffffffffb18d02f3 R08: 0000000000000000 R09: 0000000000000000 <4>[ 51.679218] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 e NX-protected page - exploit attempt? (uid: 0) # [ 44.209196<4>[ 51.687487] R13: ffff9b6e82acbf10 R14: ffff9b6e82acbf10 R15: ffff8ab20287b000 <4>[ 51.701964] FS: 00007fe862a0d740(0000) GS:ffff8ab27ac80000(0000) knlGS:0000000000000000 ] BUG: unable to handle page fault for address: ffff9b6e803a1000<4>[ 51.711299] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 51.724221] CR2: 00007fe8629ec000 CR3: 00000001061fe006 CR4: 00000000003706e0 # [ 44.217169] #PF: supervisor instruction fetch in kernel m<4>[ 51.732489] Call Trace: ode # [ 44.223780] #PF: error_code(0x0011) - permissions viol<4>[ 51.741741] ? __warn+0x80/0x110 ation # [ 44.230284] PGD 100000067 P4D 100000067 PUD 10024206<4>[ 51.751832] ? refcount_warn_saturate+0x51/0x110 7 PMD 10091d067 PTE 80000001061b4063 # [ 44.245836] Oops: 001<4>[ 51.763500] ? report_bug+0x9e/0xc0 1 [#8] SMP PTI # [ 44.250020] CPU: 2 PID: 1714 Comm: cat Tain<4>[ 51.773906] ? handle_bug+0x41/0x90 ted: G D W 5.10.216-cip47 #1 # [ 44.258962] Hard<4>[ 51.784307] ? exc_invalid_op+0x14/0x70 ware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 44.2660<4>[ 51.795100] ? asm_exc_invalid_op+0x12/0x20 60] RIP: 0010:0xffff9b6e803a1000 # [ 44.270730] Code: Unable <4>[ 51.806284] ? refcount_warn_saturate+0x51/0x110 to access opcode bytes at RIP 0xffff9b6e803a0fd6. # [ 44.2787<4>[ 51.817947] ? refcount_warn_saturate+0x51/0x110 00] RSP: 0018:ffff9b6e82463e38 EFLAGS: 00010246 # [ 44.284824<4>[ 51.829638] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa7 ] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000<4>[ 51.841498] direct_entry.cold+0x2c/0x38 000 # [ 44.293086] RDX: 0000000000000000 RSI: ffff8ab27ad1bf5<4>[ 51.852418] full_proxy_write+0x53/0x80 0 RDI: ffff8ab27ad1bf50 # [ 44.301348] RBP: ffff9b6e803a1000 <4>[ 51.863208] vfs_write+0xe7/0x3b0 R08: 0000000000000000 R09: 0000000000000000 # [ 44.309633] R1<4>[ 51.873415] ksys_write+0x68/0xf0 0: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d <4>[ 51.883637] do_syscall_64+0x30/0x40 # [ 44.317896] R13: ffff9b6e82463f10 R14: ffff9b6e82463f10 R1<4>[ 51.894136] entry_SYSCALL_64_after_hwframe+0x67/0xcc 5: ffff8ab2061b4000 # [ 44.326159] FS: 00007f6da7104740(0000<4>[ 51.906286] RIP: 0033:0x7fe862b08240 ) GS:ffff8ab27ad00000(0000) knlGS:0000000000000000 # [ 44.335<4>[ 51.916787] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89 480] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 44<4>[ 51.944287] RSP: 002b:00007ffd6c4cd3e8 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 .342188] CR2: ffff9b6e803a0fd6 CR3: 0000000102fd4002 CR4: 000000<4>[ 51.959257] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fe862b08240 <4>[ 51.973739] RDX: 0000000000000016 RSI: 00007fe8629ec000 RDI: 0000000000000001 00003706e0 # [ 44.350449] Call Trace: # [ 44.353472] ? __<4>[ 51.982007] RBP: 0000000000000016 R08: 00000000ffffffff R09: 0000000000000000 <4>[ 51.996483] R10: 00007fe862a294d0 R11: 0000000000000202 R12: 00007fe8629ec000 die_body.cold+0x1a/0x1f # [ 44.358142] ? no_context+0x177/0x<4>[ 52.004752] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 380 # [ 44.362523] ? exc_page_fault+0xd7/0x170 # [ 44.367<4>[ 52.019233] irq event stamp: 0 <4>[ 52.029145] hardirqs last enabled at (0): [<0000000000000000>] 0x0 192] ? asm_exc_page_fault+0x1e/0x30 # [ 44.372149] ? execut<4>[ 52.036441] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 52.052079] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 e_location+0x45/0x56 # [ 44.376916] ? lkdtm_EXEC_VMALLOC+0x2<4>[ 52.061512] softirqs last disabled at (0): [<0000000000000000>] 0x0 0/0x30 # [ 44.381875] ? direct_entry.cold+0x2c/0x38 # [ 4<4>[ 52.075018] ---[ end trace 8025eed8b81a5abe ]--- <6>[ 52.086685] lkdtm: Overflow detected: saturated 4.386739] ? full_proxy_write+0x53/0x80 # [ 44.391498] ? vfs_write+0xe7/0x3b0 # [ 44.395685] ? ksys_write+0x68/0xf0 # [ 44.399868] ? do_syscall_64+0x30/0x40 # [ 44.404343] ? entry_SYSCALL_64_after_hwframe+0x67/0xcc # [ 44.410463] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel intel_pmc_core_pltdrv uvcvideo cros_ec_sysfs videobuf2_vmalloc cros_ec_lightbar cros_ec_sensorhub cros_ec_debugfs cros_usbpd_charger videobuf2_memops cros_ec_chardev cros_usbpd_logger intel_pmc_core videobuf2_v4l2 iTCO_wdt snd_soc_da7219 bluetooth watchdog snd_soc_max98927 processor_thermal_device gsmi iwlmvm x86_pkg_temp_thermal cros_ec_dev intel_pmc_bxt ecdh_generic videobuf2_common iwlwifi idma64 snd_soc_core ecc intel_soc_dts_iosf snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify int3403_thermal int340x_thermal_zone pinctrl_sunrisepoint int3400_thermal acpi_thermal_rel cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 44.498218] CR2: ffff9b6e803a1000 # [ 44.502208] ---[ end trace 8025eed8b81a5ab4 ]--- # [ 44.507653] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 44.512322] Code: 89 ff e8 5e ae 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 <6>[ 52.223620] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW <6>[ 52.236657] lkdtm: attempting bad refcount_inc_not_zero() overflow <4>[ 52.243884] ------------[ cut here ]------------ <4>[ 52.249333] refcount_t: saturated; leaking memory. <4>[ 52.255008] WARNING: CPU: 2 PID: 2107 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 00 83 05 60 0e eb 03 # [ 44.533593] RSP: 0018:ffff9b6e8143be6<4>[ 52.264732] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel intel_pmc_core_pltdrv uvcvideo cros_ec_sysfs videobuf2_vmalloc cros_ec_lightbar cros_ec_sensorhub cros_ec_debugfs cros_usbpd_charger videobuf2_memops cros_ec_chardev cros_usbpd_logger intel_pmc_core videobuf2_v4l2 iTCO_wdt snd_soc_da7219 bluetooth watchdog snd_soc_max98927 processor_thermal_device gsmi iwlmvm x86_pkg_temp_thermal cros_ec_dev intel_pmc_bxt ecdh_generic videobuf2_common iwlwifi idma64 snd_soc_core ecc intel_soc_dts_iosf snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify int3403_thermal int340x_thermal_zone pinctrl_sunrisepoint int3400_thermal acpi_thermal_rel cros_kbd_led_backlight chromeos_pstore coreboot_table <4>[ 52.352456] CPU: 2 PID: 2107 Comm: cat Tainted: G D W 5.10.216-cip47 #1 0 EFLAGS: 00010286 # [ 44.539720] RAX: ffffffffaf57fff0 RBX: <4>[ 52.361411] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 52.374723] RIP: 0010:refcount_warn_saturate+0x97/0x110 <4>[ 52.380884] Code: 02 01 e8 32 70 c5 00 0f 0b c3 cc cc cc cc 80 3d 84 d1 f6 02 00 75 a8 48 c7 c7 40 aa 82 b1 c6 05 74 d1 f6 02 01 e8 0f 70 c5 00 <0f> 0b c3 cc cc cc cc 80 3d 5e d1 f6 02 00 75 85 48 c7 c7 98 aa 82 <4>[ 52.402163] RSP: 0018:ffff9b6e82b23e38 EFLAGS: 00010282 <4>[ 52.408295] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 <4>[ 52.416563] RDX: ffff8ab27ad2c620 RSI: ffff8ab27ad1bf50 RDI: ffff8ab27ad1bf50 <4>[ 52.424850] RBP: ffffffffb18cff30 R08: 0000000000000000 R09: 0000000000000000 <4>[ 52.433116] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f <4>[ 52.441381] R13: ffff9b6e82b23f10 R14: ffff9b6e82b23f10 R15: ffff8ab207f9e000 <4>[ 52.449649] FS: 00007ff4cd0ee740(0000) GS:ffff8ab27ad00000(0000) knlGS:0000000000000000 <4>[ 52.459029] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 52.465741] CR2: 00007ff4cd0cd000 CR3: 000000010750a001 CR4: 00000000003706e0 <4>[ 52.474009] Call Trace: <4>[ 52.477053] ? __warn+0x80/0x110 0000000000000001 RCX: 0000000000000000 # [ 44.547982] RDX: 00<4>[ 52.480960] ? refcount_warn_saturate+0x97/0x110 00000000000000 RSI: ffff8ab27ac1bf50 RDI: ffffffffb1440670 # [ <4>[ 52.492637] ? report_bug+0x9e/0xc0 <4>[ 52.503036] ? handle_bug+0x41/0x90 44.556245] RBP: ffffffffb1936f68 R08: 0000000000000001 R09: 00<4>[ 52.507259] ? exc_invalid_op+0x14/0x70 00000000000001 # [ 44.564505] R10: 00000000ffffe000 R11: 3fff<4>[ 52.518050] ? asm_exc_invalid_op+0x12/0x20 <4>[ 52.529252] ? refcount_warn_saturate+0x97/0x110 ffffffffffff R12: 0000000000000004 # [ 44.572766] R13: ffff9b<4>[ 52.534710] ? refcount_warn_saturate+0x97/0x110 <4>[ 52.546371] __refcount_add_not_zero.constprop.0+0x2a/0x35 <4>[ 52.552824] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x76 <4>[ 52.559344] direct_entry.cold+0x2c/0x38 <4>[ 52.564017] full_proxy_write+0x53/0x80 6e8143bf10 R14: ffff9b6e8143bf10 R15: ffff8ab2086b3000 # [ 44<4>[ 52.568647] vfs_write+0xe7/0x3b0 <4>[ 52.578869] ksys_write+0x68/0xf0 .581029] FS: 00007f6da7104740(0000) GS:ffff8ab27ad00000(0000) k<4>[ 52.582869] do_syscall_64+0x30/0x40 <4>[ 52.593363] entry_SYSCALL_64_after_hwframe+0x67/0xcc <4>[ 52.599298] RIP: 0033:0x7ff4cd1e9240 <4>[ 52.603582] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89 <4>[ 52.624865] RSP: 002b:00007ffe71b970d8 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 nlGS:0000000000000000 # [ 44.590350] CS: 0010 DS: 0000 ES: 0<4>[ 52.633637] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007ff4cd1e9240 <4>[ 52.648119] RDX: 000000000000001f RSI: 00007ff4cd0cd000 RDI: 0000000000000001 <4>[ 52.656384] RBP: 000000000000001f R08: 00000000ffffffff R09: 0000000000000000 <4>[ 52.664650] R10: 00007ff4cd10a4d0 R11: 0000000000000202 R12: 00007ff4cd0cd000 <4>[ 52.672916] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 <4>[ 52.681186] irq event stamp: 0 000 CR0: 0000000080050033 # [ 44.597057] CR2: ffff9b6e803a0fd<4>[ 52.684911] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 52.698418] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 52.707850] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 52.717283] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 52.724576] ---[ end trace 8025eed8b81a5abf ]--- <6>[ 52.730025] lkdtm: Overflow detected: saturated 6 CR3: 0000000102fd4002 CR4: 00000000003706e0 # EXEC_VMALLOC: saw 'call trace:': ok ok 33 selftests: lkdtm: EXEC_VMALLOC.sh # selftests: lkdtm: EXEC_RODATA.sh # Killed # [ 44.743303] lkdtm: Performing direct entry EXEC_RODATA # [ 44.754347] lkdtm: attempting ok execution at ffffffffaf5803c0 # [ 44.767370] lkdtm: attempting bad execution at ffffffffb1440b00 # [ 44.780491] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 44.795357] BUG: unable to handle page fault for address: ffffffffb1440b00 # [ 44.803320] #PF: supervisor instruction fetch in kernel mode # [ 44.809929] #PF: error_code(0x0011) - permissions violation # [ 44.816443] PGD 34029067 P4D 34029067 PUD 3402a063 PMD 80000000338000e1 # [ 44.824226] Oops: 0011 [#9] SMP PTI # [ 44.834635] CPU: 1 PID: 1751 Comm: cat Tainted: G D W 5.10.216-cip47 #1 # [ 44.843578] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 44.850684] RIP: 0010:lkdtm_rodata_do_nothing+0x0/0x10 # [ 44.856716] Code: ff ff 1f bd c5 af ff ff ff ff 9a 04 8d b1 ff ff ff ff 65 a4 c5 af ff ff ff ff 55 aa 55 aa 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 54 68 69 73 20 69 # [ 44.884208] RSP: 0018:ffff9b6e825cbe48 EFLAGS: 00010246 # [ 44.890326] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 # [ 44.898588] RDX: 00<6>[ 52.869861] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW <6>[ 52.880107] lkdtm: attempting bad refcount_add_not_zero() overflow <4>[ 52.887313] ------------[ cut here ]------------ <4>[ 52.892772] refcount_t: saturated; leaking memory. 00000000000000 RSI: ffff8ab27ac9bf50 RDI: ffff8ab27ac9bf50 # [ <4>[ 52.898434] WARNING: CPU: 2 PID: 2140 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 44.906850] RBP: ffffffffb1440b00 R08: 0000000000000000 R09: 00<4>[ 52.914361] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel intel_pmc_core_pltdrv uvcvideo cros_ec_sysfs videobuf2_vmalloc cros_ec_lightbar cros_ec_sensorhub cros_ec_debugfs cros_usbpd_charger videobuf2_memops cros_ec_chardev cros_usbpd_logger intel_pmc_core videobuf2_v4l2 iTCO_wdt snd_soc_da7219 bluetooth watchdog snd_soc_max98927 processor_thermal_device gsmi iwlmvm x86_pkg_temp_thermal cros_ec_dev intel_pmc_bxt ecdh_generic videobuf2_common iwlwifi idma64 snd_soc_core ecc intel_soc_dts_iosf snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify int3403_thermal int340x_thermal_zone pinctrl_sunrisepoint int3400_thermal acpi_thermal_rel cros_kbd_led_backlight chromeos_pstore coreboot_table <4>[ 53.002112] CPU: 2 PID: 2140 Comm: cat Tainted: G D W 5.10.216-cip47 #1 00000000000000 # [ 44.915112] R10: 00000000ffffe000 R11: 3fff<4>[ 53.011066] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 53.024371] RIP: 0010:refcount_warn_saturate+0x97/0x110 <4>[ 53.030523] Code: 02 01 e8 32 70 c5 00 0f 0b c3 cc cc cc cc 80 3d 84 d1 f6 02 00 75 a8 48 c7 c7 40 aa 82 b1 c6 05 74 d1 f6 02 01 e8 0f 70 c5 00 <0f> 0b c3 cc cc cc cc 80 3d 5e d1 f6 02 00 75 85 48 c7 c7 98 aa 82 <4>[ 53.051805] RSP: 0018:ffff9b6e82babe38 EFLAGS: 00010282 <4>[ 53.057960] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 <4>[ 53.066226] RDX: ffff8ab27ad2c620 RSI: ffff8ab27ad1bf50 RDI: ffff8ab27ad1bf50 <4>[ 53.074490] RBP: ffffffffb18cff50 R08: 0000000000000000 R09: 0000000000000000 <4>[ 53.082756] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f <4>[ 53.091021] R13: ffff9b6e82babf10 R14: ffff9b6e82babf10 R15: ffff8ab206326000 <4>[ 53.099288] FS: 00007f51533d3740(0000) GS:ffff8ab27ad00000(0000) knlGS:0000000000000000 ffffffffffff R12: 000000000000000c # [ 44.923376] R13: ffff9b<4>[ 53.108635] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 53.121555] CR2: 00007f51533b2000 CR3: 0000000106228002 CR4: 00000000003706e0 <4>[ 53.129822] Call Trace: <4>[ 53.132846] ? __warn+0x80/0x110 <4>[ 53.136772] ? refcount_warn_saturate+0x97/0x110 <4>[ 53.142247] ? report_bug+0x9e/0xc0 <4>[ 53.146437] ? handle_bug+0x41/0x90 <4>[ 53.150655] ? exc_invalid_op+0x14/0x70 <4>[ 53.155252] ? asm_exc_invalid_op+0x12/0x20 <4>[ 53.160244] ? refcount_warn_saturate+0x97/0x110 <4>[ 53.165723] ? refcount_warn_saturate+0x97/0x110 6e825cbf10 R14: ffff9b6e825cbf10 R15: ffff8ab20477d000 # [ 44<4>[ 53.171177] __refcount_add_not_zero.constprop.0+0x2a/0x35 .931635] FS: 00007f2163dc5740(0000) GS:ffff8ab27ac80000(0000) k<4>[ 53.183813] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x76 <4>[ 53.196548] direct_entry.cold+0x2c/0x38 <4>[ 53.201244] full_proxy_write+0x53/0x80 <4>[ 53.205825] vfs_write+0xe7/0x3b0 <4>[ 53.209840] ksys_write+0x68/0xf0 <4>[ 53.213858] do_syscall_64+0x30/0x40 <4>[ 53.218165] entry_SYSCALL_64_after_hwframe+0x67/0xcc <4>[ 53.224100] RIP: 0033:0x7f51534ce240 <4>[ 53.228409] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89 <4>[ 53.249690] RSP: 002b:00007ffc6efd9668 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 <4>[ 53.258468] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f51534ce240 <4>[ 53.266734] RDX: 000000000000001f RSI: 00007f51533b2000 RDI: 0000000000000001 <4>[ 53.275002] RBP: 000000000000001f R08: 00000000ffffffff R09: 0000000000000000 <4>[ 53.283269] R10: 00007f51533ef4d0 R11: 0000000000000202 R12: 00007f51533b2000 <4>[ 53.291535] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 <4>[ 53.299821] irq event stamp: 0 nlGS:0000000000000000 # [ 44.940967] CS: 0010 DS: 0000 ES: 0<4>[ 53.303527] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 53.317033] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 53.326489] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 53.335920] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 53.343215] ---[ end trace 8025eed8b81a5ac0 ]--- <6>[ 53.348678] lkdtm: Overflow detected: saturated 000 CR0: 0000000080050033 # [ 44.947676] CR2: ffffffffb1440b00 CR3: 0000000107184003 CR4: 00000000003706e0 # [ 44.955937] Call Trace: # [ 44.958958] ? __die_body.cold+0x1a/0x1f # [ 44.963634] ? no_context+0x177/0x380 # [ 44.974226] ? exc_page_fault+0xd7/0x170 # [ 44.978896] ? asm_exc_page_fault+0x1e/0x30 # [ 44.990075] ? execute_location+0x45/0x56 # [ 45.001060] ? direct_entry.cold+0x2c/0x38 # [ 45.005926] ? full_proxy_write+0x53/0x80 # [ 45.010695] ? vfs_write+0xe7/0x3b0 # [ 45.021092] ? ksys_write+0x68/0xf0 # [ 45.025277] ? do_syscall_64+0x30/0x40 # [ 45.029753] ? entry_SYSCALL_64_after_hwframe+0x67/0xcc # [ 45.035882] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel intel_pmc_core_pltdrv uvcvideo cros_ec_sysfs videobuf2_vmalloc cros_ec_lightbar cros_ec_sensorhub cros_ec_debugfs cros_usbpd_charger videobuf2_memops cros_ec_chardev cros_usbpd_logger intel_pmc_core videobuf2_v4l2 iTCO_wdt snd_soc_da7219 bluetooth watchdog snd_soc_max98927 processor_thermal_device gsmi iwlmvm x86_pkg_temp_thermal cros_ec_dev intel_pmc_bxt ecdh_generic videobuf2_common iwlwifi idma64 snd_soc_core ecc intel_soc_dts_iosf snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify int3403_thermal int340x_thermal_zone pinctrl_sunris<6>[ 53.490163] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO epoint int3400_thermal acpi_thermal_rel cros_kbd_led_backlight c<6>[ 53.497728] lkdtm: attempting good refcount_dec() hromeos_pstore coreboot_table # [ 45.123600] CR2: ffffffffb14<6>[ 53.509516] lkdtm: attempting bad refcount_dec() to zero 40b00 # [ 45.127591] ---[ end trace 8025eed8b81a5ab5 ]--- # <4>[ 53.521986] ------------[ cut here ]------------ [ 45.133038] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 45.137706] Co<4>[ 53.533644] refcount_t: decrement hit 0; leaking memory. de: 89 ff e8 5e ae 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea <4>[ 53.546176] WARNING: CPU: 0 PID: 2173 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 0<4>[ 53.562039] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel intel_pmc_core_pltdrv uvcvideo cros_ec_sysfs videobuf2_vmalloc cros_ec_lightbar cros_ec_sensorhub cros_ec_debugfs cros_usbpd_charger videobuf2_memops cros_ec_chardev cros_usbpd_logger intel_pmc_core videobuf2_v4l2 iTCO_wdt snd_soc_da7219 bluetooth watchdog snd_soc_max98927 processor_thermal_device gsmi iwlmvm x86_pkg_temp_thermal cros_ec_dev intel_pmc_bxt ecdh_generic videobuf2_common iwlwifi idma64 snd_soc_core ecc intel_soc_dts_iosf snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify int3403_thermal int340x_thermal_zone pinctrl_sunrisepoint int3400_thermal acpi_thermal_rel cros_kbd_led_backlight chromeos_pstore coreboot_table 0 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 60 0e <4>[ 53.649863] CPU: 0 PID: 2173 Comm: cat Tainted: G D W 5.10.216-cip47 #1 eb 03 # [ 45.158984] RSP: 0018:ffff9b6e8143be60 EFLAGS: 00010<4>[ 53.665034] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 286 # [ 45.165102] RAX: ffffffffaf57fff0 RBX: 000000000000000<4>[ 53.678342] RIP: 0010:refcount_warn_saturate+0xfb/0x110 1 RCX: 0000000000000000 # [ 45.173356] RDX: 0000000000000000 <4>[ 53.690729] Code: f0 aa 82 b1 c6 05 25 d1 f6 02 01 e8 c5 6f c5 00 0f 0b c3 cc cc cc cc 48 c7 c7 c0 aa 82 b1 c6 05 0c d1 f6 02 01 e8 ab 6f c5 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b RSI: ffff8ab27ac1bf50 RDI: ffffffffb1440670 # [ 45.181632] RB<4>[ 53.718239] RSP: 0018:ffff9b6e82c1be48 EFLAGS: 00010286 P: ffffffffb1936f68 R08: 0000000000000001 R09: 0000000000000001 <4>[ 53.730553] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000 # [ 45.189894] R10: 00000000ffffe000 R11: 3fffffffffffffff R1<4>[ 53.745075] RDX: ffff8ab27ac2c620 RSI: ffff8ab27ac1bf50 RDI: ffff8ab27ac1bf50 2: 0000000000000004 # [ 45.198157] R13: ffff9b6e8143bf10 R14:<4>[ 53.759571] RBP: ffffffffb18d0309 R08: 0000000000000000 R09: 0000000000000000 ffff9b6e8143bf10 R15: ffff8ab2086b3000 # [ 45.206412] FS: 0<4>[ 53.774094] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 0007f2163dc5740(0000) GS:ffff8ab27ac80000(0000) knlGS:0000000000<4>[ 53.788601] R13: ffff9b6e82c1bf10 R14: ffff9b6e82c1bf10 R15: ffff8ab2069e2000 000000 # [ 45.215742] CS: 0010 DS: 0000 ES: 0000 CR0: 000000<4>[ 53.803092] FS: 00007f0f97d85740(0000) GS:ffff8ab27ac00000(0000) knlGS:0000000000000000 0080050033 # [ 45.222449] CR2: ffffffffb1440b00 CR3: 00000001<4>[ 53.818651] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 07184003 CR4: 00000000003706e0 # [ 45.230711] BUG: sleeping f<4>[ 53.831567] CR2: 00007f0f97d64000 CR3: 00000001026d0003 CR4: 00000000003706f0 unction called from invalid context at include/linux/percpu-rwse<4>[ 53.846044] Call Trace: m.h:49 # [ 45.240915] in_atomic(): 0, irqs_disabled(): 1, non<4>[ 53.855308] ? __warn+0x80/0x110 _block: 0, pid: 1751, name: cat # [ 45.249654] INFO: lockdep <4>[ 53.865391] ? refcount_warn_saturate+0xfb/0x110 is turned off. # [ 45.254324] irq event stamp: 0 # [ 45.25<4>[ 53.877066] ? report_bug+0x9e/0xc0 8022] hardirqs last enabled at (0): [<0000000000000000>] 0x0 #<4>[ 53.887462] ? handle_bug+0x41/0x90 [ 45.265305] hardirqs last disabled at (0): [[ 53.897881] ? exc_invalid_op+0x14/0x70 c>] copy_process+0x65c/0x20e0 # [ 45.274731] softirqs last e<4>[ 53.908686] ? asm_exc_invalid_op+0x12/0x20 nabled at (0): [] copy_process+0x65c/0x20e0 #<4>[ 53.919895] ? refcount_warn_saturate+0xfb/0x110 [ 45.284158] softirqs last disabled at (0): [<000000000000000<4>[ 53.931547] ? refcount_warn_saturate+0xfb/0x110 0>] 0x0 # [ 45.291449] CPU: 1 PID: 1751 Comm: cat Tainted: G <4>[ 53.943270] lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xbd D W 5.10.216-cip47 #1 # [ 45.300391] Hardware na<4>[ 53.954678] direct_entry.cold+0x2c/0x38 me: Google Rammus/Rammus, BIOS 09/04/2020 # [ 45.307488] Cal<4>[ 53.965564] full_proxy_write+0x53/0x80 l Trace: # [ 45.310506] dump_stack+0x77/0x9b # [ 45.31449<4>[ 53.976346] vfs_write+0xe7/0x3b0 9] ___might_sleep.cold+0xa6/0xb6 # [ 45.325577] exit_signal<4>[ 53.986553] ksys_write+0x68/0xf0 s+0x1c/0x300 # [ 45.329860] do_exit+0xc2/0xab0 # [ 45.339<4>[ 53.996771] do_syscall_64+0x30/0x40 872] ? ksys_write+0x68/0xf0 # [ 45.344056] make_task_dead+0<4>[ 54.007284] entry_SYSCALL_64_after_hwframe+0x67/0xcc x2f/0x30 # [ 45.348434] rewind_stack_and_make_dead+0x17/0x20<4>[ 54.019435] RIP: 0033:0x7f0f97e80240 # [ 45.353976] RIP: 0033:0x7f2163ec0240 # [ 45.358256] Co<4>[ 54.029931] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89 de: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff <4>[ 54.057399] RSP: 002b:00007ffe7d6efe28 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 0<4>[ 54.072412] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f0f97e80240 5 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 <4>[ 54.086914] RDX: 0000000000000012 RSI: 00007f0f97d64000 RDI: 0000000000000001 48 89 # [ 45.379534] RSP: 002b:00007ffe5014c088 EFLAGS: 00000<4>[ 54.101403] RBP: 0000000000000012 R08: 00000000ffffffff R09: 0000000000000000 202 ORIG_RAX: 0000000000000001 # [ 45.388274] RAX: ffffffffff<4>[ 54.115871] R10: 00007f0f97da14d0 R11: 0000000000000202 R12: 00007f0f97d64000 ffffda RBX: 000000000000000c RCX: 00007f2163ec0240 # [ 45.396<4>[ 54.130394] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 528] RDX: 000000000000000c RSI: 00007f2163da4000 RDI: 0000000000<4>[ 54.144905] irq event stamp: 0 000001 # [ 45.404790] RBP: 000000000000000c R08: 00000000ffff<4>[ 54.154822] hardirqs last enabled at (0): [<0000000000000000>] 0x0 ffff R09: 0000000000000000 # [ 45.413052] R10: 00007f2163de14<4>[ 54.168321] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 d0 R11: 0000000000000202 R12: 00007f2163da4000 # [ 45.421315]<4>[ 54.183972] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 R13: 0000000000000001 R14: 0000000000020000 R15: 00000000000000<4>[ 54.199652] softirqs last disabled at (0): [<0000000000000000>] 0x0 00 # EXEC_RODATA: saw 'call trace:': ok ok 34 selftests: lkdtm<4>[ 54.213135] ---[ end trace 8025eed8b81a5ac1 ]--- : EXEC_RODATA.sh # selftests: lkdtm: EXEC_USERSPACE.sh # Kille<6>[ 54.224846] lkdtm: Zero detected: saturated d # [ 45.554354] lkdtm: Performing direct entry EXEC_USERSPACE # [ 45.566430] lkdtm: attempting ok execution at ffffffffaf5803c0 # [ 45.579463] lkdtm: attempting bad execution at 00007f314ee46000 # [ 45.592596] unable to execute userspace code (SMEP?) (uid: 0) # [ 45.605499] BUG: unable to handle page fault for address: 00007f314ee46000 # [ 45.613472] #PF: supervisor instruction fetch in kernel mode # [ 45.620084] #PF: error_code(0x0011) - permissions violation # [ 45.626600] PGD 80000001027fd067 P4D 80000001027fd067 PUD 1062cb067 PMD 107fab067 PTE 10985b067 # [ 45.642834] Oops: 0011 [#10] SMP PTI # [ 45.647115] CPU: 1 PID: 1788 Comm: cat Tainted: G D W 5.10.216-cip47 #1 # [ 45.656057] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 45.663154] RIP: 0010:0x7f314ee46000 # [ 45.667434] Code: Unable to access opcode bytes at RIP 0x7f314ee45fd6. # [ 45.675017] RSP: 0018:ffff9b6e8264be50 EFLAGS: 00010246 # [ 45.681142] RAX: 0000000000000033 RBX: 0000000000000024 RCX: 0000000000000000 # [ 45.689404] RDX: 0000000000000000 RSI: ffff8ab27ac9bf50 RDI: ffff8ab27ac9bf50 # [ 45.697679] RBP: 00007f314ee46000 R08: 0000000000000000 R09: 0000<6>[ 54.351033] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE <6>[ 54.361073] lkdtm: attempting bad refcount_dec() below zero 000000000000 # [ 45.705949] R10: 00000000ffffe000 R11: 3fffff<4>[ 54.367619] ------------[ cut here ]------------ ffffffffff R12: 000000000000000f # [ 45.720428] R13: ffff9b6e<4>[ 54.379284] refcount_t: decrement hit 0; leaking memory. 8264bf10 R14: ffff9b6e8264bf10 R15: ffff8ab20898e000 # [ 45.7<4>[ 54.391735] WARNING: CPU: 3 PID: 2209 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 28691] FS: 00007f314ec5f740(0000) GS:ffff8ab27ac80000(0000) knl<4>[ 54.407677] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel intel_pmc_core_pltdrv uvcvideo cros_ec_sysfs videobuf2_vmalloc cros_ec_lightbar cros_ec_sensorhub cros_ec_debugfs cros_usbpd_charger videobuf2_memops cros_ec_chardev cros_usbpd_logger intel_pmc_core videobuf2_v4l2 iTCO_wdt snd_soc_da7219 bluetooth watchdog snd_soc_max98927 processor_thermal_device gsmi iwlmvm x86_pkg_temp_thermal cros_ec_dev intel_pmc_bxt ecdh_generic videobuf2_common iwlwifi idma64 snd_soc_core ecc intel_soc_dts_iosf snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify int3403_thermal int340x_thermal_zone pinctrl_sunrisepoint int3400_thermal acpi_thermal_rel cros_kbd_led_backlight chromeos_pstore coreboot_table <4>[ 54.495466] CPU: 3 PID: 2209 Comm: cat Tainted: G D W 5.10.216-cip47 #1 GS:0000000000000000 # [ 45.738022] CS: 0010 DS: 0000 ES: 000<4>[ 54.504418] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 54.517728] RIP: 0010:refcount_warn_saturate+0xfb/0x110 <4>[ 54.523887] Code: f0 aa 82 b1 c6 05 25 d1 f6 02 01 e8 c5 6f c5 00 0f 0b c3 cc cc cc cc 48 c7 c7 c0 aa 82 b1 c6 05 0c d1 f6 02 01 e8 ab 6f c5 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b <4>[ 54.545170] RSP: 0018:ffff9b6e82cc3e48 EFLAGS: 00010286 <4>[ 54.551301] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000 <4>[ 54.559567] RDX: ffff8ab27adac620 RSI: ffff8ab27ad9bf50 RDI: ffff8ab27ad9bf50 <4>[ 54.567832] RBP: ffffffffb18d031b R08: 0000000000000000 R09: 0000000000000000 <4>[ 54.576099] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 <4>[ 54.584364] R13: ffff9b6e82cc3f10 R14: ffff9b6e82cc3f10 R15: ffff8ab2075ad000 0 CR0: 0000000080050033 # [ 45.744728] CR2: 00007f314ee46000 <4>[ 54.592637] FS: 00007f7711814740(0000) GS:ffff8ab27ad80000(0000) knlGS:0000000000000000 <4>[ 54.608177] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 54.614889] CR2: 00007f77117f3000 CR3: 00000001038e0003 CR4: 00000000003706e0 <4>[ 54.623155] Call Trace: <4>[ 54.626181] ? __warn+0x80/0x110 CR3: 00000001036de004 CR4: 00000000003706e0 # [ 45.752990] Ca<4>[ 54.630102] ? refcount_warn_saturate+0xfb/0x110 <4>[ 54.641764] ? report_bug+0x9e/0xc0 <4>[ 54.645952] ? handle_bug+0x41/0x90 <4>[ 54.650168] ? exc_invalid_op+0x14/0x70 <4>[ 54.654744] ? asm_exc_invalid_op+0x12/0x20 <4>[ 54.659712] ? refcount_warn_saturate+0xfb/0x110 ll Trace: # [ 45.756011] ? __die_body.cold+0x1a/0x1f # [ <4>[ 54.665194] ? refcount_warn_saturate+0xfb/0x110 45.766897] ? no_context+0x177/0x380 # [ 45.771278] ? exc_pa<4>[ 54.676859] lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x61 <4>[ 54.688719] direct_entry.cold+0x2c/0x38 <4>[ 54.693393] full_proxy_write+0x53/0x80 <4>[ 54.698001] vfs_write+0xe7/0x3b0 <4>[ 54.702025] ksys_write+0x68/0xf0 <4>[ 54.706019] do_syscall_64+0x30/0x40 <4>[ 54.710329] entry_SYSCALL_64_after_hwframe+0x67/0xcc <4>[ 54.716263] RIP: 0033:0x7f771190f240 <4>[ 54.720547] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89 <4>[ 54.741831] RSP: 002b:00007fffecb0b018 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 <4>[ 54.750583] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f771190f240 <4>[ 54.758850] RDX: 0000000000000016 RSI: 00007f77117f3000 RDI: 0000000000000001 <4>[ 54.767116] RBP: 0000000000000016 R08: 00000000ffffffff R09: 0000000000000000 <4>[ 54.775382] R10: 00007f77118304d0 R11: 0000000000000202 R12: 00007f77117f3000 <4>[ 54.783648] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 <4>[ 54.791918] irq event stamp: 0 <4>[ 54.795648] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 54.802943] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 54.812376] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 54.821807] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 54.829102] ---[ end trace 8025eed8b81a5ac2 ]--- <6>[ 54.834551] lkdtm: Negative detected: saturated ge_fault+0x53/0x170 # [ 45.782157] ? asm_exc_page_fault+0x1e/0x30 # [ 45.787122] ? lkdtm_EXEC_USERSPACE.cold+0x66/0xae # [ 45.798979] ? direct_entry.cold+0x2c/0x38 # [ 45.803844] ? full_proxy_write+0x53/0x80 # [ 45.808634] ? vfs_write+0xe7/0x3b0 # [ 45.812819] ? ksys_write+0x68/0xf0 # [ 45.823217] ? do_syscall_64+0x30/0x40 # [ 45.827687] ? entry_SYSCALL_64_after_hwframe+0x67/0xcc # [ 45.833817] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel intel_pmc_core_pltdrv uvcvideo cros_ec_sysfs videobuf2_vmalloc cros_ec_lightbar cros_ec_sensorhub cros_ec_debugfs cros_usbpd_charger videobuf2_memops cros_ec_chardev cros_usbpd_logger intel_pmc_core videobuf2_v4l2 iTCO_wdt snd_soc_da7219 bluetooth watchdog snd_soc_max98927 processor_thermal_device gsmi iwlmvm x86_pkg_temp_thermal cros_ec_dev intel_pmc_bxt ecdh_generic videobuf2_common iwlwifi idma64 snd_soc_core ecc intel_soc_dts_iosf snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify int3403_thermal int340x_thermal_zone pinctrl_sunrisepoint int3400_thermal acpi_thermal_rel cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 45.921539] CR2: 00007f314ee46000 # [ 45.925528] ---[ end trace 8025eed8b81a5ab6 ]--- # [ 45.930975] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 45.935<6>[ 54.976058] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE <6>[ 54.984544] lkdtm: attempting bad refcount_dec_and_test() below zero <4>[ 54.991947] ------------[ cut here ]------------ <4>[ 54.997402] refcount_t: underflow; use-after-free. <4>[ 55.003057] WARNING: CPU: 3 PID: 2245 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 644] Code: 89 ff e8 5e ae 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7<4>[ 55.012786] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel intel_pmc_core_pltdrv uvcvideo cros_ec_sysfs videobuf2_vmalloc cros_ec_lightbar cros_ec_sensorhub cros_ec_debugfs cros_usbpd_charger videobuf2_memops cros_ec_chardev cros_usbpd_logger intel_pmc_core videobuf2_v4l2 iTCO_wdt snd_soc_da7219 bluetooth watchdog snd_soc_max98927 processor_thermal_device gsmi iwlmvm x86_pkg_temp_thermal cros_ec_dev intel_pmc_bxt ecdh_generic videobuf2_common iwlwifi idma64 snd_soc_core ecc intel_soc_dts_iosf snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify int3403_thermal int340x_thermal_zone pinctrl_sunrisepoint int3400_thermal acpi_thermal_rel cros_kbd_led_backlight chromeos_pstore coreboot_table <4>[ 55.100544] CPU: 3 PID: 2245 Comm: cat Tainted: G D W 5.10.216-cip47 #1 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f <4>[ 55.109517] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 55.122830] RIP: 0010:refcount_warn_saturate+0xba/0x110 <4>[ 55.128962] Code: 02 01 e8 0f 70 c5 00 0f 0b c3 cc cc cc cc 80 3d 5e d1 f6 02 00 75 85 48 c7 c7 98 aa 82 b1 c6 05 4e d1 f6 02 01 e8 ec 6f c5 00 <0f> 0b c3 cc cc cc cc 80 3d 39 d1 f6 02 00 0f 85 5e ff ff ff 48 c7 <4>[ 55.150268] RSP: 0018:ffff9b6e82d53e40 EFLAGS: 00010286 <4>[ 55.156422] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000 <4>[ 55.164690] RDX: ffff8ab27adac620 RSI: ffff8ab27ad9bf50 RDI: ffff8ab27ad9bf50 <4>[ 55.172981] RBP: ffffffffb18cff70 R08: 0000000000000000 R09: 0000000000000000 <4>[ 55.181247] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f <4>[ 55.189513] R13: ffff9b6e82d53f10 R14: ffff9b6e82d53f10 R15: ffff8ab203c6a000 <4>[ 55.197781] FS: 00007f850e4c2740(0000) GS:ffff8ab27ad80000(0000) knlGS:0000000000000000 <4>[ 55.207117] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 55.213829] CR2: 00007f850e4a1000 CR3: 00000001028d8005 CR4: 00000000003706e0 <4>[ 55.222095] Call Trace: <4>[ 55.225139] ? __warn+0x80/0x110 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05<4>[ 55.229048] ? refcount_warn_saturate+0xba/0x110 <4>[ 55.240702] ? report_bug+0x9e/0xc0 <4>[ 55.244917] ? handle_bug+0x41/0x90 60 0e eb 03 # [ 45.956919] RSP: 0018:ffff9b6e8143be60 EFLAGS<4>[ 55.249129] ? exc_invalid_op+0x14/0x70 : 00010286 # [ 45.963043] RAX: ffffffffaf57fff0 RBX: 00000000<4>[ 55.259920] ? asm_exc_invalid_op+0x12/0x20 00000001 RCX: 0000000000000000 # [ 45.971306] RDX: 0000000000<4>[ 55.271101] ? refcount_warn_saturate+0xba/0x110 <4>[ 55.282767] __refcount_sub_and_test.constprop.0+0x3c/0x50 <4>[ 55.289219] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x78 <4>[ 55.295738] direct_entry.cold+0x2c/0x38 <4>[ 55.300436] full_proxy_write+0x53/0x80 <4>[ 55.305033] vfs_write+0xe7/0x3b0 <4>[ 55.309050] ksys_write+0x68/0xf0 <4>[ 55.313042] do_syscall_64+0x30/0x40 <4>[ 55.317351] entry_SYSCALL_64_after_hwframe+0x67/0xcc 000000 RSI: ffff8ab27ac1bf50 RDI: ffffffffb1440670 # [ 45.979<4>[ 55.323297] RIP: 0033:0x7f850e5bd240 <4>[ 55.333787] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89 <4>[ 55.355065] RSP: 002b:00007ffe946e4db8 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 <4>[ 55.363818] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f850e5bd240 <4>[ 55.372085] RDX: 000000000000001f RSI: 00007f850e4a1000 RDI: 0000000000000001 <4>[ 55.380349] RBP: 000000000000001f R08: 00000000ffffffff R09: 0000000000000000 566] RBP: ffffffffb1936f68 R08: 0000000000000001 R09: 0000000000<4>[ 55.388634] R10: 00007f850e4de4d0 R11: 0000000000000202 R12: 00007f850e4a1000 <4>[ 55.403115] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 <4>[ 55.411385] irq event stamp: 0 <4>[ 55.415113] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 55.422407] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 55.431839] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 55.441269] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 55.448563] ---[ end trace 8025eed8b81a5ac3 ]--- <6>[ 55.454012] lkdtm: Negative detected: saturated 000001 # [ 45.987829] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 45.996091] R13: ffff9b6e8143bf10 R14: ffff9b6e8143bf10 R15: ffff8ab2086b3000 # [ 46.004352] FS: 00007f314ec5f740(0000) GS:ffff8ab27ac80000(0000) knlGS:0000000000000000 # [ 46.013692] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 46.020399] CR2: 00007f314ee46000 CR3: 00000001036de004 CR4: 00000000003706e0 # EXEC_USERSPACE: saw 'call trace:': ok ok 35 selftests: lkdtm: EXEC_USERSPACE.sh # selftests: lkdtm: EXEC_NULL.sh # Killed # [ 46.167497] lkdtm: Performing direct entry EXEC_NULL # [ 46.177494] lkdtm: attempting ok execution at ffffffffaf5803c0 # [ 46.184315] lkdtm: attempting bad execution at 0000000000000000 # [ 46.191234] BUG: kernel NULL pointer dereference, address: 0000000000000000 # [ 46.199310] #PF: supervisor instruction fetch in kernel mode # [ 46.205921] #PF: error_code(0x0010) - not-present page # [ 46.211949] PGD 0 P4D 0 # [ 46.215065] Oops: 0010 [#11] SMP PTI # [ 46.219338] CPU: 3 PID: 1825 Comm: cat Tainted: G D W 5.10.216-cip47 #1 # [ 46.228280] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 46.235378] RIP: 0010:0x0 # [ 46.238590] Code: Unable to access opcode bytes<6>[ 55.581577] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE at RIP 0xffffffffffffffd6. # [ 46.246559] RSP: 0018:ffff9b6e<6>[ 55.591593] lkdtm: attempting bad refcount_sub_and_test() below zero 826b3e48 EFLAGS: 00010246 # [ 46.252691] RAX: 000000000000003<4>[ 55.605226] ------------[ cut here ]------------ 3 RBX: 0000000000000000 RCX: 0000000000000000 # [ 46.260953] <4>[ 55.616861] refcount_t: underflow; use-after-free. RDX: 0000000000000000 RSI: ffff8ab27ad9bf50 RDI: ffff8ab27ad9bf5<4>[ 55.628736] WARNING: CPU: 1 PID: 2281 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 0 # [ 46.269216] RBP: 0000000000000000 R08: 0000000000000000 <4>[ 55.644680] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel intel_pmc_core_pltdrv uvcvideo cros_ec_sysfs videobuf2_vmalloc cros_ec_lightbar cros_ec_sensorhub cros_ec_debugfs cros_usbpd_charger videobuf2_memops cros_ec_chardev cros_usbpd_logger intel_pmc_core videobuf2_v4l2 iTCO_wdt snd_soc_da7219 bluetooth watchdog snd_soc_max98927 processor_thermal_device gsmi iwlmvm x86_pkg_temp_thermal cros_ec_dev intel_pmc_bxt ecdh_generic videobuf2_common iwlwifi idma64 snd_soc_core ecc intel_soc_dts_iosf snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify int3403_thermal int340x_thermal_zone pinctrl_sunrisepoint int3400_thermal acpi_thermal_rel cros_kbd_led_backlight chromeos_pstore coreboot_table R09: 0000000000000000 # [ 46.277479] R10: 00000000ffffe000 R1<4>[ 55.732451] CPU: 1 PID: 2281 Comm: cat Tainted: G D W 5.10.216-cip47 #1 1: 3fffffffffffffff R12: 000000000000000a # [ 46.285740] R13:<4>[ 55.747585] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 ffff9b6e826b3f10 R14: ffff9b6e826b3f10 R15: ffff8ab2036de000 #<4>[ 55.760896] RIP: 0010:refcount_warn_saturate+0xba/0x110 [ 46.294002] FS: 00007f7f99c2f740(0000) GS:ffff8ab27ad80000(<4>[ 55.773241] Code: 02 01 e8 0f 70 c5 00 0f 0b c3 cc cc cc cc 80 3d 5e d1 f6 02 00 75 85 48 c7 c7 98 aa 82 b1 c6 05 4e d1 f6 02 01 e8 ec 6f c5 00 <0f> 0b c3 cc cc cc cc 80 3d 39 d1 f6 02 00 0f 85 5e ff ff ff 48 c7 0000) knlGS:0000000000000000 # [ 46.303333] CS: 0010 DS: 000<4>[ 55.800733] RSP: 0018:ffff9b6e82dd3e40 EFLAGS: 00010286 0 ES: 0000 CR0: 0000000080050033 # [ 46.310039] CR2: ffffffff<4>[ 55.813077] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000 ffffffd6 CR3: 00000001070e6002 CR4: 00000000003706e0 # [ 46.3<4>[ 55.827557] RDX: ffff8ab27acac620 RSI: ffff8ab27ac9bf50 RDI: ffff8ab27ac9bf50 18300] Call Trace: # [ 46.321322] ? __die_body.cold+0x1a/0x1<4>[ 55.842039] RBP: ffffffffb18cff90 R08: 0000000000000000 R09: 0000000000000000 f # [ 46.325993] ? no_context+0x177/0x380 # [ 46.330374] <4>[ 55.856523] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f ? exc_page_fault+0x53/0x170 # [ 46.335043] ? asm_exc_page_f<4>[ 55.871005] R13: ffff9b6e82dd3f10 R14: ffff9b6e82dd3f10 R15: ffff8ab2086b3000 ault+0x1e/0x30 # [ 46.340008] execute_location+0x45/0x56 # <4>[ 55.885489] FS: 00007fa1bb1d4740(0000) GS:ffff8ab27ac80000(0000) knlGS:0000000000000000 [ 46.344581] direct_entry.cold+0x2c/0x38 # [ 46.349252] f<4>[ 55.901039] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 ull_proxy_write+0x53/0x80 # [ 46.353826] vfs_write+0xe7/0x3b<4>[ 55.913968] CR2: 00007fa1bb1b3000 CR3: 00000001088f6006 CR4: 00000000003706e0 0 # [ 46.357816] ksys_write+0x68/0xf0 # [ 46.361805] do_<4>[ 55.928451] Call Trace: syscall_64+0x30/0x40 # [ 46.366087] entry_SYSCALL_64_after_h<4>[ 55.937712] ? __warn+0x80/0x110 wframe+0x67/0xcc # [ 46.372018] RIP: 0033:0x7f7f99d2a240 # [<4>[ 55.947804] ? refcount_warn_saturate+0xba/0x110 46.376299] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48<4>[ 55.959468] ? report_bug+0x9e/0xc0 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 <4>[ 55.969871] ? handle_bug+0x41/0x90 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00<4>[ 55.980271] ? exc_invalid_op+0x14/0x70 00 48 83 ec 28 48 89 # [ 46.397577] RSP: 002b:00007ffc3ad63e<4>[ 55.991064] ? asm_exc_invalid_op+0x12/0x20 18 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 # [ 46.406327]<4>[ 56.002264] ? refcount_warn_saturate+0xba/0x110 RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f7f99d2a2<4>[ 56.013909] __refcount_sub_and_test.constprop.0+0x3c/0x50 40 # [ 46.414590] RDX: 000000000000000a RSI: 00007f7f99c0e000<4>[ 56.026546] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x7b RDI: 0000000000000001 # [ 46.422850] RBP: 000000000000000a R<4>[ 56.039277] direct_entry.cold+0x2c/0x38 08: 00000000ffffffff R09: 0000000000000000 # [ 46.431111] R10<4>[ 56.050168] full_proxy_write+0x53/0x80 : 00007f7f99c4b4d0 R11: 0000000000000202 R12: 00007f7f99c0e000 <4>[ 56.060958] vfs_write+0xe7/0x3b0 # [ 46.439375] R13: 0000000000000001 R14: 0000000000020000 R15<4>[ 56.071166] ksys_write+0x68/0xf0 : 0000000000000000 # [ 46.447643] Modules linked in: fuse ip_<4>[ 56.081378] do_syscall_64+0x30/0x40 tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core in<4>[ 56.091877] entry_SYSCALL_64_after_hwframe+0x67/0xcc dustrialio_triggered_buffer kfifo_buf industrialio btusb btrtl b<4>[ 56.104029] RIP: 0033:0x7fa1bb2cf240 tbcm btintel intel_pmc_core_pltdrv uvcvideo cros_ec_sysfs videob<4>[ 56.114529] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89 uf2_vmalloc cros_ec_lightbar cros_ec_sensorhub cros_ec_debugfs c<4>[ 56.142024] RSP: 002b:00007ffebbd81cb8 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 ros_usbpd_charger videobuf2_memops cros_ec_chardev cros_usbpd_lo<4>[ 56.156993] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fa1bb2cf240 gger intel_pmc_core videobuf2_v4l2 iTCO_wdt snd_soc_da7219 bluet<4>[ 56.171481] RDX: 000000000000001f RSI: 00007fa1bb1b3000 RDI: 0000000000000001 ooth watchdog snd_soc_max98927 processor_thermal_device gsmi iwl<4>[ 56.185961] RBP: 000000000000001f R08: 00000000ffffffff R09: 0000000000000000 <4>[ 56.200441] R10: 00007fa1bb1f04d0 R11: 0000000000000202 R12: 00007fa1bb1b3000 mvm x86_pkg_temp_thermal cros_ec_dev intel_pmc_bxt ecdh_generic <4>[ 56.208708] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 videobuf2_common iwlwifi idma64 snd_soc_core ecc intel_soc_dts_i<4>[ 56.223205] irq event stamp: 0 osf snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd<4>[ 56.233101] hardirqs last enabled at (0): [<0000000000000000>] 0x0 _notify int3403_thermal int340x_thermal_zone pinctrl_sunrisepoin<4>[ 56.246641] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 t int3400_thermal acpi_thermal_rel cros_kbd_led_backlight chrome<4>[ 56.262283] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 56.277929] softirqs last disabled at (0): [<0000000000000000>] 0x0 os_pstore coreboot_table # [ 46.535361] CR2: 0000000000000000<4>[ 56.285249] ---[ end trace 8025eed8b81a5ac4 ]--- # [ 46.539350] ---[ end trace 8025eed8b81a5ab7 ]--- # [ 4<6>[ 56.296910] lkdtm: Negative detected: saturated 6.544797] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 46.549465] Code: 89 ff e8 5e ae 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 60 0e eb 03 # [ 46.570744] RSP: 0018:ffff9b6e8143be60 EFLAGS: 00010286 # [ 46.576870] RAX: ffffffffaf57fff0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 46.585132] RDX: 0000000000000000 RSI: ffff8ab27ac1bf50 RDI: ffffffffb1440670 # [ 46.593394] RBP: ffffffffb1936f68 R08: 0000000000000001 R09: 0000000000000001 # [ 46.601654] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 46.609915] R13: ffff9b6e8143bf10 R14: ffff9b6e8143bf10 R15: ffff8ab2086b3000 # [ 46.618177] FS: 00007f7f99c2f740(0000) GS:ffff8ab27ad80000(0000) knlGS:0000000000000000 # [ 46.627509] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 46.634217] CR2: ffffffffffffffd6 CR3: 00000001070e6002 CR4: 00000000003706e0 # [ 46.642478] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 46.652682] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1825, name: cat # [ 46.661428] INFO: lockdep is turned off. # [ 46.666095] irq event stamp: 0 # [ 46.669791] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 46.677083] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 46.686502] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 46.695929] softirqs last disabled at (0): [<0000000000000000>] 0<6>[ 56.461091] lkdtm: Performing direct entry REFCOUNT_INC_ZERO x0 # [ 46.703219] CPU: 3 PID: 1825 Comm: cat Tainted: G <6>[ 56.470600] lkdtm: attempting safe refcount_inc_not_zero() from zero D W 5.10.216-cip47 #1 # [ 46.712160] Hardware name: G<6>[ 56.484206] lkdtm: Good: zero detected <6>[ 56.494896] lkdtm: Correctly stayed at zero oogle Rammus/Rammus, BIOS 09/04/2020 # [ 46.719256] Call Tra<6>[ 56.499860] lkdtm: attempting bad refcount_inc() from zero ce: # [ 46.722276] dump_stack+0x77/0x9b # [ 46.726266] _<4>[ 56.512491] ------------[ cut here ]------------ __might_sleep.cold+0xa6/0xb6 # [ 46.731120] exit_signals+0x1<4>[ 56.524161] refcount_t: addition on 0; use-after-free. c/0x300 # [ 46.735392] do_exit+0xc2/0xab0 # [ 46.739180] <4>[ 56.536439] WARNING: CPU: 1 PID: 2314 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 ? ksys_write+0x68/0xf0 # [ 46.743361] make_task_dead+0x2f/0<4>[ 56.552347] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel intel_pmc_core_pltdrv uvcvideo cros_ec_sysfs videobuf2_vmalloc cros_ec_lightbar cros_ec_sensorhub cros_ec_debugfs cros_usbpd_charger videobuf2_memops cros_ec_chardev cros_usbpd_logger intel_pmc_core videobuf2_v4l2 iTCO_wdt snd_soc_da7219 bluetooth watchdog snd_soc_max98927 processor_thermal_device gsmi iwlmvm x86_pkg_temp_thermal cros_ec_dev intel_pmc_bxt ecdh_generic videobuf2_common iwlwifi idma64 snd_soc_core ecc intel_soc_dts_iosf snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify int3403_thermal int340x_thermal_zone pinctrl_sunrisepoint int3400_thermal acpi_thermal_rel cros_kbd_led_backlight chromeos_pstore coreboot_table x30 # [ 46.747737] rewind_stack_and_make_dead+0x17/0x20 # [<4>[ 56.640072] CPU: 1 PID: 2314 Comm: cat Tainted: G D W 5.10.216-cip47 #1 46.753279] RIP: 0033:0x7f7f99d2a240 # [ 46.757558] Code: 4<4>[ 56.655229] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 0 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb<4>[ 56.668550] RIP: 0010:refcount_warn_saturate+0x74/0x110 b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48<4>[ 56.680896] Code: 02 01 e8 55 70 c5 00 0f 0b c3 cc cc cc cc 80 3d a5 d1 f6 02 00 75 cb 48 c7 c7 68 aa 82 b1 c6 05 95 d1 f6 02 01 e8 32 70 c5 00 <0f> 0b c3 cc cc cc cc 80 3d 84 d1 f6 02 00 75 a8 48 c7 c7 40 aa 82 > 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89<4>[ 56.708394] RSP: 0018:ffff9b6e82e6be48 EFLAGS: 00010286 # [ 46.778835] RSP: 002b:00007ffc3ad63e18 EFLAGS: 00000202 O<4>[ 56.720739] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000 RIG_RAX: 0000000000000001 # [ 46.787574] RAX: ffffffffffffffd<4>[ 56.735223] RDX: ffff8ab27acac620 RSI: ffff8ab27ac9bf50 RDI: ffff8ab27ac9bf50 a RBX: 000000000000000a RCX: 00007f7f99d2a240 # [ 46.795835] <4>[ 56.749709] RBP: ffffffffb18d0331 R08: 0000000000000000 R09: 0000000000000000 RDX: 000000000000000a RSI: 00007f7f99c0e000 RDI: 000000000000000<4>[ 56.764188] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 1 # [ 46.804094] RBP: 000000000000000a R08: 00000000ffffffff <4>[ 56.778687] R13: ffff9b6e82e6bf10 R14: ffff9b6e82e6bf10 R15: ffff8ab208897000 <4>[ 56.793167] FS: 00007f1108e78740(0000) GS:ffff8ab27ac80000(0000) knlGS:0000000000000000 R09: 0000000000000000 # [ 46.812354] R10: 00007f7f99c4b4d0 R1<4>[ 56.802526] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 1: 0000000000000202 R12: 00007f7f99c0e000 # [ 46.820632] R13:<4>[ 56.815428] CR2: 00007f1108e57000 CR3: 00000001075ae002 CR4: 00000000003706e0 <4>[ 56.829909] Call Trace: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 #<4>[ 56.832955] ? __warn+0x80/0x110 EXEC_NULL: saw 'call trace:': ok ok 36 selftests: lkdtm: EXEC_<4>[ 56.843039] ? refcount_warn_saturate+0x74/0x110 NULL.sh # selftests: lkdtm: ACCESS_USERSPACE.sh # Killed # [ <4>[ 56.854706] ? report_bug+0x9e/0xc0 46.964375] lkdtm: Performing direct entry ACCESS_USERSPACE # <4>[ 56.865111] ? handle_bug+0x41/0x90 [ 46.972197] lkdtm: attempting bad read at 00007f40ea995000 #<4>[ 56.875513] ? exc_invalid_op+0x14/0x70 [ 46.984858] BUG: unable to handle page fault for address: 00<4>[ 56.886305] ? asm_exc_invalid_op+0x12/0x20 007f40ea995000 # [ 46.999009] #PF: supervisor read access in <4>[ 56.897491] ? refcount_warn_saturate+0x74/0x110 kernel mode # [ 47.005040] #PF: error_code(0x0001) - permissi<4>[ 56.909154] ? refcount_warn_saturate+0x74/0x110 ons violation # [ 47.011555] PGD 80000001077b7067 P4D 8000000<4>[ 56.920818] lkdtm_REFCOUNT_INC_ZERO+0x99/0xc1 1077b7067 PUD 10699b067 PMD 1077b6067 PTE 110109067 # [ 47.02<4>[ 56.932292] direct_entry.cold+0x2c/0x38 7788] Oops: 0001 [#12] SMP PTI # [ 47.032060] CPU: 1 PID: 186<4>[ 56.943182] full_proxy_write+0x53/0x80 1 Comm: cat Tainted: G D W 5.10.216-cip47 #1 # [ <4>[ 56.953975] vfs_write+0xe7/0x3b0 47.041002] Hardware name: Google Rammus/Rammus, BIOS 09/04/202<4>[ 56.964183] ksys_write+0x68/0xf0 0 # [ 47.048103] RIP: 0010:lkdtm_ACCESS_USERSPACE.cold+0x41/0<4>[ 56.974393] do_syscall_64+0x30/0x40 xa3 # [ 47.054631] Code: 00 00 00 75 64 48 83 c4 10 5d c3 cc <4>[ 56.984893] entry_SYSCALL_64_after_hwframe+0x67/0xcc cc cc cc 48 89 ee 48 c7 c7 b8 11 8d b1 e8 c4 d6 fb ff 48 c7 c7 e<4>[ 56.997047] RIP: 0033:0x7f1108f73240 0 11 8d b1 b8 de c0 de c0 <48> 03 45 00 48 89 04 24 e8 ab d6 fb <4>[ 57.007547] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89 ff 48 89 ee 48 c7 c7 08 12 8d # [ 47.082114] RSP: 0018:ffff9b<4>[ 57.035050] RSP: 002b:00007ffffe27ee08 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 6e8274be48 EFLAGS: 00010246 # [ 47.088240] RAX: 00000000c0dec<4>[ 57.050022] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f1108f73240 0de RBX: 0000000000000026 RCX: 0000000000000000 # [ 47.096502<4>[ 57.064505] RDX: 0000000000000012 RSI: 00007f1108e57000 RDI: 0000000000000001 ] RDX: 0000000000000000 RSI: ffff8ab27ac9bf50 RDI: ffffffffb18d1<4>[ 57.078989] RBP: 0000000000000012 R08: 00000000ffffffff R09: 0000000000000000 1e0 <4>[ 57.093473] R10: 00007f1108e944d0 R11: 0000000000000202 R12: 00007f1108e57000 <4>[ 57.102227] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 # [ 47.104765] RBP: 00007f40ea995000 R08: 0000000000000000 R09<4>[ 57.110501] irq event stamp: 0 <4>[ 57.120414] hardirqs last enabled at (0): [<0000000000000000>] 0x0 : 0000000000000000 <4>[ 57.127712] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 57.139082] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 47.113028] R10: 00000000ffffe000 R11: 3fffffffffffffff R12<4>[ 57.148513] softirqs last disabled at (0): [<0000000000000000>] 0x0 : 0000000000000011<4>[ 57.162018] ---[ end trace 8025eed8b81a5ac5 ]--- <6>[ 57.169215] lkdtm: Zero detected: saturated # [ 47.121282] R13: ffff9b6e8274bf10 R14: ffff9b6e8274bf10 R15: ffff8ab2075e8000 # [ 47.129535] FS: 00007f40ea7ae740(0000) GS:ffff8ab27ac80000(0000) knlGS:0000000000000000 # [ 47.138866] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 47.145575] CR2: 00007f40ea995000 CR3: 00000001061fe003 CR4: 00000000003706e0 # [ 47.153838] Call Trace: # [ 47.156859] ? __die_body.cold+0x1a/0x1f # [ 47.161531] ? no_context+0x177/0x380 # [ 47.172124] ? exc_page_fault+0x53/0x170 # [ 47.176793] ? asm_exc_page_fault+0x1e/0x30 # [ 47.187969] ? lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3 # [ 47.193805] ? lkdtm_ACCESS_USERSPACE.cold+0x35/0xa3 # [ 47.205855] direct_entry.cold+0x2c/0x38 # [ 47.210529] full_proxy_write+0x53/0x80 # [ 47.215104] vfs_write+0xe7/0x3b0 # [ 47.225307] ksys_write+0x68/0xf0 # [ 47.229298] do_syscall_64+0x30/0x40 # [ 47.233581] entry_SYSCALL_64_after_hwframe+0x67/0xcc # [ 47.239513] RIP: 0033:0x7f40ea8a9240 # [ 47.243793] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89 # [ 47.265071] RSP: 002b:00007ffc138cb978 EFLAGS: 00000202 ORIG_RAX: 00000<6>[ 57.295132] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO 00000000001 # [ 47.273810] RAX: ffffffffffffffda RBX: 0000000<6>[ 57.305479] lkdtm: attempting safe refcount_add_not_zero() from zero 000000011 RCX: 00007f40ea8a9240 # [ 47.282072] RDX: 000000000<6>[ 57.319108] lkdtm: Good: zero detected <6>[ 57.329774] lkdtm: Correctly stayed at zero 0000011 RSI: 00007f40ea78d000 RDI: 0000000000000001 # [ 47.29<6>[ 57.334739] lkdtm: attempting bad refcount_add() from zero 0335] RBP: 0000000000000011 R08: 00000000ffffffff R09: 000000000<4>[ 57.347371] ------------[ cut here ]------------ <4>[ 57.359035] refcount_t: addition on 0; use-after-free. 0000000 # [ 47.298587] R10: 00007f40ea7ca4d0 R11: 00000000000<4>[ 57.365099] WARNING: CPU: 1 PID: 2347 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 00202 R12: 00007f40ea78d000 # [ 47.306848] R13: 0000000000000<4>[ 57.381003] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel intel_pmc_core_pltdrv uvcvideo cros_ec_sysfs videobuf2_vmalloc cros_ec_lightbar cros_ec_sensorhub cros_ec_debugfs cros_usbpd_charger videobuf2_memops cros_ec_chardev cros_usbpd_logger intel_pmc_core videobuf2_v4l2 iTCO_wdt snd_soc_da7219 bluetooth watchdog snd_soc_max98927 processor_thermal_device gsmi iwlmvm x86_pkg_temp_thermal cros_ec_dev intel_pmc_bxt ecdh_generic videobuf2_common iwlwifi idma64 snd_soc_core ecc intel_soc_dts_iosf snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify int3403_thermal int340x_thermal_zone pinctrl_sunrisepoint int3400_thermal acpi_thermal_rel cros_kbd_led_backlight chromeos_pstore coreboot_table 001 R14: 0000000000020000 R15: 0000000000000000 # [ 47.315115<4>[ 57.468750] CPU: 1 PID: 2347 Comm: cat Tainted: G D W 5.10.216-cip47 #1 <4>[ 57.483885] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 ] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_<4>[ 57.490989] RIP: 0010:refcount_warn_saturate+0x74/0x110 angle cros_ec_sensors_core industrialio_triggered_buffer kfifo_b<4>[ 57.503353] Code: 02 01 e8 55 70 c5 00 0f 0b c3 cc cc cc cc 80 3d a5 d1 f6 02 00 75 cb 48 c7 c7 68 aa 82 b1 c6 05 95 d1 f6 02 01 e8 32 70 c5 00 <0f> 0b c3 cc cc cc cc 80 3d 84 d1 f6 02 00 75 a8 48 c7 c7 40 aa 82 uf industrialio btusb btrtl btbcm btintel intel_pmc_core_pltdrv <4>[ 57.530825] RSP: 0018:ffff9b6e82eb3e48 EFLAGS: 00010286 uvcvideo cros_ec_sysfs videobuf2_vmalloc cros_ec_lightbar cros_e<4>[ 57.543166] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000 c_sensorhub cros_ec_debugfs cros_usbpd_charger videobuf2_memops <4>[ 57.557646] RDX: ffff8ab27acac620 RSI: ffff8ab27ac9bf50 RDI: ffff8ab27ac9bf50 <4>[ 57.572127] RBP: ffffffffb18d0343 R08: 0000000000000000 R09: 0000000000000000 cros_ec_chardev cros_usbpd_logger intel_pmc_core videobuf2_v4l2 <4>[ 57.580393] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 <4>[ 57.594867] R13: ffff9b6e82eb3f10 R14: ffff9b6e82eb3f10 R15: ffff8ab2088d1000 iTCO_wdt snd_soc_da7219 bluetooth watchdog snd_soc_max98927 proc<4>[ 57.603136] FS: 00007fd06c8a4740(0000) GS:ffff8ab27ac80000(0000) knlGS:0000000000000000 <4>[ 57.618684] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 essor_thermal_device gsmi iwlmvm x86_pkg_temp_thermal cros_ec_de<4>[ 57.625396] CR2: 00007fd06c883000 CR3: 0000000102978003 CR4: 00000000003706e0 <4>[ 57.639870] Call Trace: v intel_pmc_bxt ecdh_generic videobuf2_common iwlwifi idma64 snd<4>[ 57.642915] ? __warn+0x80/0x110 _soc_core ecc intel_soc_dts_iosf snd_compress snd_pcm_dmaengine <4>[ 57.653001] ? refcount_warn_saturate+0x74/0x110 regmap_i2c i2c_hid cros_usbpd_notify int3403_thermal int340x_the<4>[ 57.664686] ? report_bug+0x9e/0xc0 rmal_zone pinctrl_sunrisepoint int3400_thermal acpi_thermal_rel <4>[ 57.675091] ? handle_bug+0x41/0x90 cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 47.<4>[ 57.685491] ? exc_invalid_op+0x14/0x70 402835] CR2: 00007f40ea995000 # [ 47.406824] ---[ end trace 8<4>[ 57.696284] ? asm_exc_invalid_op+0x12/0x20 025eed8b81a5ab8 ]--- # [ 47.412271] RIP: 0010:lkdtm_BUG+0x5/0<4>[ 57.707468] ? refcount_warn_saturate+0x74/0x110 x10 # [ 47.416931] Code: 89 ff e8 5e ae 79 ff 48 c7 c0 ea ff <4>[ 57.719130] ? refcount_warn_saturate+0x74/0x110 ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff f<4>[ 57.730798] lkdtm_REFCOUNT_ADD_ZERO+0x99/0xc1 f ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f <4>[ 57.742268] direct_entry.cold+0x2c/0x38 1f 44 00 00 83 05 60 0e eb 03 # [ 47.438210] RSP: 0018:ffff9b<4>[ 57.753156] full_proxy_write+0x53/0x80 6e8143be60 EFLAGS: 00010286 # [ 47.444335] RAX: ffffffffaf57f<4>[ 57.763945] vfs_write+0xe7/0x3b0 ff0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 47.452598<4>[ 57.774152] ksys_write+0x68/0xf0 ] RDX: 0000000000000000 RSI: ffff8ab27ac1bf50 RDI: ffffffffb1440<4>[ 57.784363] do_syscall_64+0x30/0x40 670 # [ 47.460861] RBP: ffffffffb1936f68 R08: 000000000000000<4>[ 57.794865] entry_SYSCALL_64_after_hwframe+0x67/0xcc 1 R09: 0000000000000001 # [ 47.469123] R10: 00000000ffffe000 <4>[ 57.807017] RIP: 0033:0x7fd06c99f240 R11: 3fffffffffffffff R12: 0000000000000004 # [ 47.477384] R1<4>[ 57.817517] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89 3: ffff9b6e8143bf10 R14: ffff9b6e8143bf10 R15: ffff8ab2086b3000 <4>[ 57.845013] RSP: 002b:00007ffe06d1b448 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 <4>[ 57.859982] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fd06c99f240 # [ 47.485647] FS: 00007f40ea7ae740(0000) GS:ffff8ab27ac8000<4>[ 57.868250] RDX: 0000000000000012 RSI: 00007fd06c883000 RDI: 0000000000000001 <4>[ 57.882724] RBP: 0000000000000012 R08: 00000000ffffffff R09: 0000000000000000 0(0000) knlGS:0000000000000000 # [ 47.494968] CS: 0010 DS: 0<4>[ 57.890992] R10: 00007fd06c8c04d0 R11: 0000000000000202 R12: 00007fd06c883000 <4>[ 57.905465] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 000 ES: 0000 CR0: 0000000080050033 # [ 47.501691] CR2: 00007f<4>[ 57.913751] irq event stamp: 0 40ea995000 CR3: 00000001061fe003 CR4: 00000000003706e0 # ACCESS<4>[ 57.923641] hardirqs last enabled at (0): [<0000000000000000>] 0x0 _USERSPACE: saw 'call trace:': ok ok 37 selftests: lkdtm: ACCES<4>[ 57.937150] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 S_USERSPACE.sh # selftests: lkdtm: ACCESS_NULL.sh # Killed # <4>[ 57.952796] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 57.968442] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 47.664951] lkdtm: Performing direct entry ACCESS_NULL # [ <4>[ 57.975736] ---[ end trace 8025eed8b81a5ac6 ]--- <6>[ 57.987393] lkdtm: Zero detected: saturated 47.671392] lkdtm: attempting bad read at 0000000000000000 # [ 47.684030] BUG: kernel NULL pointer dereference, address: 0000000000000000 # [ 47.698303] #PF: supervisor read access in kernel mode # [ 47.704331] #PF: error_code(0x0000) - not-present page # [ 47.710360] PGD 0 P4D 0 # [ 47.713476] Oops: 0000 [#13] SMP PTI # [ 47.717757] CPU: 1 PID: 1897 Comm: cat Tainted: G D W 5.10.216-cip47 #1 # [ 47.726691] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 47.733791] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53 # [ 47.739335] Code: 68 d6 fb ff be 00 10 00 00 48 89 ef e8 c6 d4 0a ff e9 69 ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 b8 11 8d b1 e8 42 d6 fb ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 e0 11 8d b1 48 01 # [ 47.766825] RSP: 0018:ffff9b6e82803e58 EFLAGS: 00010246 # [ 47.772951] RAX: 000000000000002e RBX: 0000000000000027 RCX: 0000000000000000 # [ 47.781213] RDX: 0000000000000000 RSI: ffff8ab27ac9bf50 RDI: ffff8ab27ac9bf50 # [ 47.789472] RBP: ffffffffb18d02a9 R08: 0000000000000000 R09: 0000000000000000 # [ 47.797734] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c # [ 47.805992] R13: ffff9b6e82803f10 R14: ffff9b6e82803f10 R15: ffff8ab2027e9000 # [ 47.814256] FS: 00007fdb2e47a740(0000) GS:ffff8ab27ac80000(0000) knlGS:0000000000000000 # [ 47.823577] CS: 0010 DS: 0000 ES: 0000 CR0: 000000<6>[ 58.124208] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED 0080050033 # [ 47.830285] CR2: 0000000000000000 CR3: 00000001<6>[ 58.136213] lkdtm: attempting bad refcount_inc() from saturated 087a8003 CR4: 00000000003706e0 # [ 47.838544] Call Trace: # <4>[ 58.149343] ------------[ cut here ]------------ [ 47.841563] ? __die_body.cold+0x1a/0x1f # [ 47.846232] ?<4>[ 58.161010] refcount_t: saturated; leaking memory. no_context+0x177/0x380 # [ 47.856823] ? exc_page_fault+0x53<4>[ 58.172909] WARNING: CPU: 0 PID: 2383 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 /0x170 # [ 47.861493] ? asm_exc_page_fault+0x1e/0x30 # [ <4>[ 58.188912] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel intel_pmc_core_pltdrv uvcvideo cros_ec_sysfs videobuf2_vmalloc cros_ec_lightbar cros_ec_sensorhub cros_ec_debugfs cros_usbpd_charger videobuf2_memops cros_ec_chardev cros_usbpd_logger intel_pmc_core videobuf2_v4l2 iTCO_wdt snd_soc_da7219 bluetooth watchdog snd_soc_max98927 processor_thermal_device gsmi iwlmvm x86_pkg_temp_thermal cros_ec_dev intel_pmc_bxt ecdh_generic videobuf2_common iwlwifi idma64 snd_soc_core ecc intel_soc_dts_iosf snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify int3403_thermal int340x_thermal_zone pinctrl_sunrisepoint int3400_thermal acpi_thermal_rel cros_kbd_led_backlight chromeos_pstore coreboot_table 47.872688] ? lkdtm_ACCESS_NULL+0x14/0x53 # [ 47.877552] ? l<4>[ 58.276530] CPU: 0 PID: 2383 Comm: cat Tainted: G D W 5.10.216-cip47 #1 kdtm_ACCESS_NULL+0x14/0x53 # [ 47.888635] direct_entry.cold+<4>[ 58.291815] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 0x2c/0x38 # [ 47.893305] full_proxy_write+0x53/0x80 # [ 4<4>[ 58.305105] RIP: 0010:refcount_warn_saturate+0x51/0x110 7.897878] vfs_write+0xe7/0x3b0 # [ 47.908079] ksys_write+0x<4>[ 58.317451] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d c9 d1 f6 02 00 75 ee 48 c7 c7 40 aa 82 b1 c6 05 b9 d1 f6 02 01 e8 55 70 c5 00 <0f> 0b c3 cc cc cc cc 80 3d a5 d1 f6 02 00 75 cb 48 c7 c7 68 aa 82 68/0xf0 # [ 47.912069] do_syscall_64+0x30/0x40 # [ 47.916<4>[ 58.344965] RSP: 0018:ffff9b6e82f53e48 EFLAGS: 00010286 350] entry_SYSCALL_64_after_hwframe+0x67/0xcc # [ 47.922281]<4>[ 58.357294] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000 RIP: 0033:0x7fdb2e575240 # [ 47.926550] Code: 40 00 48 8b 15<4>[ 58.371835] RDX: ffff8ab27ac2c620 RSI: ffff8ab27ac1bf50 RDI: ffff8ab27ac1bf50 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 <4>[ 58.386281] RBP: ffffffffb18d0355 R08: 0000000000000000 R09: 0000000000000000 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff<4>[ 58.400786] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89 # [ 47.94<4>[ 58.415263] R13: ffff9b6e82f53f10 R14: ffff9b6e82f53f10 R15: ffff8ab206a47000 7824] RSP: 002b:00007ffe493a1048 EFLAGS: 00000202 ORIG_RAX: 0000<4>[ 58.429770] FS: 00007f6957fc9740(0000) GS:ffff8ab27ac00000(0000) knlGS:0000000000000000 000000000001 # [ 47.956561] RAX: ffffffffffffffda RBX: 000000<4>[ 58.445309] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 000000000c RCX: 00007fdb2e575240 # [ 47.964824] RDX: 00000000<4>[ 58.458269] CR2: 00007f6957fa8000 CR3: 000000010754a004 CR4: 00000000003706f0 0000000c RSI: 00007fdb2e459000 RDI: 0000000000000001 # [ 47.9<4>[ 58.472747] Call Trace: 73086] RBP: 000000000000000c R08: 00000000ffffffff R09: 00000000<4>[ 58.481993] ? __warn+0x80/0x110 00000000 # [ 47.981348] R10: 00007fdb2e4964d0 R11: 0000000000<4>[ 58.492092] ? refcount_warn_saturate+0x51/0x110 000202 R12: 00007fdb2e459000 # [ 47.989629] R13: 000000000000<4>[ 58.503763] ? report_bug+0x9e/0xc0 0001 R14: 0000000000020000 R15: 0000000000000000 # [ 47.99789<4>[ 58.514158] ? handle_bug+0x41/0x90 2] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid<4>[ 58.524568] ? exc_invalid_op+0x14/0x70 _angle cros_ec_sensors_core industrialio_triggered_buffer kfifo_<4>[ 58.535352] ? asm_exc_invalid_op+0x12/0x20 buf industrialio btusb btrtl btbcm btintel intel_pmc_core_pltdrv<4>[ 58.546560] ? refcount_warn_saturate+0x51/0x110 uvcvideo cros_ec_sysfs videobuf2_vmalloc cros_ec_lightbar cros_<4>[ 58.558210] ? refcount_warn_saturate+0x51/0x110 ec_sensorhub cros_ec_debugfs cros_usbpd_charger videobuf2_memops<4>[ 58.569961] lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x64 cros_ec_chardev cros_usbpd_logger intel_pmc_core videobuf2_v4l2<4>[ 58.581868] direct_entry.cold+0x2c/0x38 iTCO_wdt snd_soc_da7219 bluetooth watchdog snd_soc_max98927 pro<4>[ 58.592827] full_proxy_write+0x53/0x80 cessor_thermal_device gsmi iwlmvm x86_pkg_temp_thermal cros_ec_d<4>[ 58.603626] vfs_write+0xe7/0x3b0 ev intel_pmc_bxt ecdh_generic videobuf2_common iwlwifi idma64 sn<4>[ 58.613851] ksys_write+0x68/0xf0 d_soc_core ecc intel_soc_dts_iosf snd_compress snd_pcm_dmaengine<4>[ 58.624130] do_syscall_64+0x30/0x40 regmap_i2c i2c_hid cros_usbpd_notify int3403_thermal int340x_th<4>[ 58.634593] entry_SYSCALL_64_after_hwframe+0x67/0xcc ermal_zone pinctrl_sunrisepoint int3400_thermal acpi_thermal_rel<4>[ 58.646717] RIP: 0033:0x7f69580c4240 cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 48<4>[ 58.657225] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89 .085600] CR2: 0000000000000000 # [ 48.089590] ---[ end trace <4>[ 58.684706] RSP: 002b:00007ffe850f7778 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 8025eed8b81a5ab9 ]--- # [ 48.095036] RIP: 0010:lkdtm_BUG+0x5/<4>[ 58.699675] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f69580c4240 0x10 # [ 48.099697] Code: 89 ff e8 5e ae 79 ff 48 c7 c0 ea ff<4>[ 58.714165] RDX: 0000000000000017 RSI: 00007f6957fa8000 RDI: 0000000000000001 ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff <4>[ 58.728615] RBP: 0000000000000017 R08: 00000000ffffffff R09: 0000000000000000 ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f<4>[ 58.743098] R10: 00007f6957fe54d0 R11: 0000000000000202 R12: 00007f6957fa8000 1f 44 00 00 83 05 60 0e eb 03 # [ 48.120964] RSP: 0018:ffff9<4>[ 58.757569] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 b6e8143be60 EFLAGS: 00010286 # [ 48.127088] RAX: ffffffffaf57<4>[ 58.772061] irq event stamp: 0 fff0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 48.13534<4>[ 58.781963] hardirqs last enabled at (0): [<0000000000000000>] 0x0 9] RDX: 0000000000000000 RSI: ffff8ab27ac1bf50 RDI: ffffffffb144<4>[ 58.795474] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 0670 # [ 48.143631] RBP: ffffffffb1936f68 R08: 00000000000000<4>[ 58.811109] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 01 R09: 0000000000000001 # [ 48.151893] R10: 00000000ffffe000<4>[ 58.826755] softirqs last disabled at (0): [<0000000000000000>] 0x0 R11: 3fffffffffffffff R12: 0000000000000004 # [ 48.160153] R<4>[ 58.840280] ---[ end trace 8025eed8b81a5ac7 ]--- 13: ffff9b6e8143bf10 R14: ffff9b6e8143bf10 R15: ffff8ab2086b3000<6>[ 58.851944] lkdtm: Saturation detected: still saturated # [ 48.168414] FS: 00007fdb2e47a740(0000) GS:ffff8ab27ac80000(0000) knlGS:0000000000000000 # [ 48.177742] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 48.184448] CR2: 0000000000000000 CR3: 00000001087a8003 CR4: 00000000003706e0 # [ 48.192706] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 48.202909] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1897, name: cat # [ 48.211646] INFO: lockdep is turned off. # [ 48.216315] irq event stamp: 0 # [ 48.220011] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 48.227300] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 48.236727] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 48.246154] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 48.253444] CPU: 1 PID: 1897 Comm: cat Tainted: G D W 5.10.216-cip47 #1 # [ 48.262383] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 48.269478] Call Trace: # [ 48.272496] dump_stack+0x77/0x9b # [ 48.276487] ___might_sleep.cold+0xa6/0xb6 # [ 48.281352] exit_signals+0x1c/0x300 # [ 48.285633] do_exit+0xc2/0xab0 # [ 48.295643] ? ksys_write+0x68/0xf0 # [ 48.299819] make_task_dead+0x2f/0x30 # [ 48.304198] rewind_stack_and_make_dead+0x17/0x20 # [ 48.309740] RIP: 0033:0x7fdb2e575240 # [ 48.314018] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 <6>[ 59.011358] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80<6>[ 59.020848] lkdtm: attempting bad refcount_dec() from saturated 00 00 00 00 48 83 ec 28 48 89 # [ 48.335297] RSP: 002b:00007<4>[ 59.033963] ------------[ cut here ]------------ ffe493a1048 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 # [ 4<4>[ 59.045647] refcount_t: decrement hit 0; leaking memory. 8.344036] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007<4>[ 59.058176] WARNING: CPU: 0 PID: 2419 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 fdb2e575240 # [ 48.352297] RDX: 000000000000000c RSI: 00007fd<4>[ 59.074050] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel intel_pmc_core_pltdrv uvcvideo cros_ec_sysfs videobuf2_vmalloc cros_ec_lightbar cros_ec_sensorhub cros_ec_debugfs cros_usbpd_charger videobuf2_memops cros_ec_chardev cros_usbpd_logger intel_pmc_core videobuf2_v4l2 iTCO_wdt snd_soc_da7219 bluetooth watchdog snd_soc_max98927 processor_thermal_device gsmi iwlmvm x86_pkg_temp_thermal cros_ec_dev intel_pmc_bxt ecdh_generic videobuf2_common iwlwifi idma64 snd_soc_core ecc intel_soc_dts_iosf snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify int3403_thermal int340x_thermal_zone pinctrl_sunrisepoint int3400_thermal acpi_thermal_rel cros_kbd_led_backlight chromeos_pstore coreboot_table b2e459000 RDI: 0000000000000001 # [ 48.360560] RBP: 000000000<4>[ 59.161842] CPU: 0 PID: 2419 Comm: cat Tainted: G D W 5.10.216-cip47 #1 000000c R08: 00000000ffffffff R09: 0000000000000000 # [ 48.36<4>[ 59.176980] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 8821] R10: 00007fdb2e4964d0 R11: 0000000000000202 R12: 00007fdb2<4>[ 59.190295] RIP: 0010:refcount_warn_saturate+0xfb/0x110 e459000 # [ 48.377082] R13: 0000000000000001 R14: 00000000000<4>[ 59.202607] Code: f0 aa 82 b1 c6 05 25 d1 f6 02 01 e8 c5 6f c5 00 0f 0b c3 cc cc cc cc 48 c7 c7 c0 aa 82 b1 c6 05 0c d1 f6 02 01 e8 ab 6f c5 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b 20000 R15: 0000000000000000 # ACCESS_NULL: saw 'call trace:': o<4>[ 59.230096] RSP: 0018:ffff9b6e83013e48 EFLAGS: 00010286 k ok 38 selftests: lkdtm: ACCESS_NULL.sh # selftests: lkdtm: W<4>[ 59.242465] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000 RITE_RO.sh # Killed # [ 48.517981] lkdtm: Performing direct <4>[ 59.256955] RDX: ffff8ab27ac2c620 RSI: ffff8ab27ac1bf50 RDI: ffff8ab27ac1bf50 entry WRITE_RO # [ 48.527823] lkdtm: attempting bad rodata wr<4>[ 59.271460] RBP: ffffffffb18d036c R08: 0000000000000000 R09: 0000000000000000 ite at ffffffffb1440af0 # [ 48.535032] BUG: unable to handle <4>[ 59.285966] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 page fault for address: ffffffffb1440af0 # [ 48.543027] #PF: <4>[ 59.300465] R13: ffff9b6e83013f10 R14: ffff9b6e83013f10 R15: ffff8ab2063c5000 supervisor write access in kernel mode # [ 48.555368] #PF: er<4>[ 59.314974] FS: 00007f06b1748740(0000) GS:ffff8ab27ac00000(0000) knlGS:0000000000000000 ror_code(0x0003) - permissions violation # [ 48.561885] PGD 3<4>[ 59.330506] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 4029067 P4D 34029067 PUD 3402a063 PMD 80000000338000e1 # [ 4<4>[ 59.343488] CR2: 00007f06b1727000 CR3: 0000000106aa6003 CR4: 00000000003706f0 8.575884] Oops: 0003 [#14] SMP PTI # [ 48.580166] CPU: 3 PID:<4>[ 59.357991] Call Trace: 1933 Comm: cat Tainted: G D W 5.10.216-cip47 #1 #<4>[ 59.367267] ? __warn+0x80/0x110 [ 48.589111] Hardware name: Google Rammus/Rammus, BIOS 09/04<4>[ 59.377354] ? refcount_warn_saturate+0xfb/0x110 /2020 # [ 48.596211] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a # [ <4>[ 59.389042] ? report_bug+0x9e/0xc0 48.601462] Code: 00 48 c7 c7 98 10 8d b1 48 c7 c6 f0 0a 44 b1 <4>[ 59.399476] ? handle_bug+0x41/0x90 e8 ec d8 fb ff 48 8b 05 40 63 7e 01 ba 34 12 cd ab 48 c7 c7 c8 1<4>[ 59.409882] ? exc_invalid_op+0x14/0x70 0 8d b1 48 31 d0 <48> 89 05 2a 63 7e 01 e9 ca d8 fb ff 0f 1f 44 <4>[ 59.420646] ? asm_exc_invalid_op+0x12/0x20 00 00 48 8b 05 79 eb # [ 48.628953] RSP: 0018:ffff9b6e8289be6<4>[ 59.431833] ? refcount_warn_saturate+0xfb/0x110 0 EFLAGS: 00010202 # [ 48.635080] RAX: 000000000198b861 RBX: <4>[ 59.443491] ? refcount_warn_saturate+0xfb/0x110 0000000000000028 RCX: 0000000000000000 # [ 48.643342] RDX: 00<4>[ 59.455209] lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5f 000000abcd1234 RSI: ffff8ab27ad9bf50 RDI: ffffffffb18d10c8 # [ <4>[ 59.467175] direct_entry.cold+0x2c/0x38 48.651603] RBP: ffffffffb18d02b5 R08: 0000000000000000 R09: 00<4>[ 59.478031] full_proxy_write+0x53/0x80 00000000000000 # [ 48.659865] R10: 00000000ffffe000 R11: 3fff<4>[ 59.488838] vfs_write+0xe7/0x3b0 ffffffffffff R12: 0000000000000009 # [ 48.668125] R13: ffff9b<4>[ 59.499047] ksys_write+0x68/0xf0 6e8289bf10 R14: ffff9b6e8289bf10 R15: ffff8ab202ae0000 # [ 48<4>[ 59.509278] do_syscall_64+0x30/0x40 .676388] FS: 00007f2a23f28740(0000) GS:ffff8ab27ad80000(0000) k<4>[ 59.519769] entry_SYSCALL_64_after_hwframe+0x67/0xcc nlGS:0000000000000000 # [ 48.685718] CS: 0010 DS: 0000 ES: 0<4>[ 59.531941] RIP: 0033:0x7f06b1843240 000 CR0: 0000000080050033 # [ 48.692427] CR2: ffffffffb1440af<4>[ 59.542419] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89 0 CR3: 0000000106122001 CR4: 00000000003706e0 # [ 48.700688] <4>[ 59.569992] RSP: 002b:00007ffc7772d058 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 Call Trace: # [ 48.703710] ? __die_body.cold+0x1a/0x1f # [ <4>[ 59.584945] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f06b1843240 48.708380] ? no_context+0x177/0x380 # [ 48.712759] ? exc_<4>[ 59.599478] RDX: 0000000000000017 RSI: 00007f06b1727000 RDI: 0000000000000001 page_fault+0xd7/0x170 # [ 48.717428] ? asm_exc_page_fault+0x<4>[ 59.613928] RBP: 0000000000000017 R08: 00000000ffffffff R09: 0000000000000000 1e/0x30 # [ 48.722391] ? lkdtm_WRITE_RO+0x2e/0x3a # [ 48.<4>[ 59.628420] R10: 00007f06b17644d0 R11: 0000000000000202 R12: 00007f06b1727000 726960] direct_entry.cold+0x2c/0x38 # [ 48.731635] full_pro<4>[ 59.642896] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 xy_write+0x53/0x80 # [ 48.736208] vfs_write+0xe7/0x3b0 # [ <4>[ 59.657402] irq event stamp: 0 48.740196] ksys_write+0x68/0xf0 # [ 48.744183] do_syscall<4>[ 59.667348] hardirqs last enabled at (0): [<0000000000000000>] 0x0 _64+0x30/0x40 # [ 48.748464] entry_SYSCALL_64_after_hwframe+<4>[ 59.680833] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 0x67/0xcc # [ 48.754396] RIP: 0033:0x7f2a24023240 # [ 48.7<4>[ 59.696482] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 58684] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 <4>[ 59.712189] softirqs last disabled at (0): [<0000000000000000>] 0x0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 0<4>[ 59.725710] ---[ end trace 8025eed8b81a5ac8 ]--- 0 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 <6>[ 59.737337] lkdtm: Saturation detected: still saturated 83 ec 28 48 89 # [ 48.779961] RSP: 002b:00007ffdde882088 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 # [ 48.788708] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f2a24023240 # [ 48.796971] RDX: 0000000000000009 RSI: 00007f2a23f07000 RDI: 0000000000000001 # [ 48.805235] RBP: 0000000000000009 R08: 00000000ffffffff R09: 0000000000000000 # [ 48.813498] R10: 00007f2a23f444d0 R11: 0000000000000202 R12: 00007f2a23f07000 # [ 48.821758] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 # [ 48.830024] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel intel_pmc_core_pltdrv uvcvideo cros_ec_sysfs videobuf2_vmalloc cros_ec_lightbar cros_ec_sensorhub cros_ec_debugfs cros_usbpd_charger videobuf2_memops cros_ec_chardev cros_usbpd_logger intel_pmc_core videobuf2_v4l2 iTCO_wdt snd_soc_da7219 bluetooth watchdog snd_soc_max98927 processor_thermal_device gsmi iwlmvm x86_pkg_temp_thermal cros_ec_dev intel_pmc_bxt ecdh_generic videobuf2_common iwlwifi idma64 snd_soc_core ecc intel_soc_dts_iosf snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify int3403_thermal int340x_thermal_zone pinctrl_sunrisepoint int3400_thermal acpi_thermal_rel cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 48.917775] CR2: ffffffffb1440af0 # [ 48.921765] ---[ end trace 8025eed8b81a5aba ]--- # [ 48.927213] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 48.931881] Code: 89 ff e8<6>[ 59.892586] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED 5e ae 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 <6>[ 59.905897] lkdtm: attempting bad refcount_dec() from saturated cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66<4>[ 59.919016] ------------[ cut here ]------------ <4>[ 59.930687] refcount_t: saturated; leaking memory. 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 60 0e eb 03 # [ <4>[ 59.936362] WARNING: CPU: 1 PID: 2455 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 48.953158] RSP: 0018:ffff9b6e8143be60 EFLAGS: 00010286 # [ 4<4>[ 59.952263] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel intel_pmc_core_pltdrv uvcvideo cros_ec_sysfs videobuf2_vmalloc cros_ec_lightbar cros_ec_sensorhub cros_ec_debugfs cros_usbpd_charger videobuf2_memops cros_ec_chardev cros_usbpd_logger intel_pmc_core videobuf2_v4l2 iTCO_wdt snd_soc_da7219 bluetooth watchdog snd_soc_max98927 processor_thermal_device gsmi iwlmvm x86_pkg_temp_thermal cros_ec_dev intel_pmc_bxt ecdh_generic videobuf2_common iwlwifi idma64 snd_soc_core ecc intel_soc_dts_iosf snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify int3403_thermal int340x_thermal_zone pinctrl_sunrisepoint int3400_thermal acpi_thermal_rel cros_kbd_led_backlight chromeos_pstore coreboot_table 8.959284] RAX: ffffffffaf57fff0 RBX: 0000000000000001 RCX: 00000<4>[ 60.039972] CPU: 1 PID: 2455 Comm: cat Tainted: G D W 5.10.216-cip47 #1 00000000000 # [ 48.967546] RDX: 0000000000000000 RSI: ffff8ab<4>[ 60.055132] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 27ac1bf50 RDI: ffffffffb1440670 # [ 48.975809] RBP: ffffffffb<4>[ 60.068451] RIP: 0010:refcount_warn_saturate+0x51/0x110 1936f68 R08: 0000000000000001 R09: 0000000000000001 # [ 48.98<4>[ 60.080794] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d c9 d1 f6 02 00 75 ee 48 c7 c7 40 aa 82 b1 c6 05 b9 d1 f6 02 01 e8 55 70 c5 00 <0f> 0b c3 cc cc cc cc 80 3d a5 d1 f6 02 00 75 cb 48 c7 c7 68 aa 82 4070] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000<4>[ 60.108289] RSP: 0018:ffff9b6e8308be48 EFLAGS: 00010286 0000004 # [ 48.992332] R13: ffff9b6e8143bf10 R14: ffff9b6e814<4>[ 60.120636] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000 3bf10 R15: ffff8ab2086b3000 # [ 49.000595] FS: 00007f2a23f28<4>[ 60.135141] RDX: ffff8ab27acac620 RSI: ffff8ab27ac9bf50 RDI: ffff8ab27ac9bf50 740(0000) GS:ffff8ab27ad80000(0000) knlGS:0000000000000000 # [ <4>[ 60.149623] RBP: ffffffffb18d0383 R08: 0000000000000000 R09: 0000000000000000 <4>[ 60.164105] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 49.009915] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 60.172371] R13: ffff9b6e8308bf10 R14: ffff9b6e8308bf10 R15: ffff8ab202722000 <4>[ 60.186845] FS: 00007f34e3287740(0000) GS:ffff8ab27ac80000(0000) knlGS:0000000000000000 # [ 49.016633] CR2: ffffffffb1440af0 CR3: 0000000106122001 CR4<4>[ 60.196179] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 60.209098] CR2: 00007f34e3266000 CR3: 0000000102a40005 CR4: 00000000003706e0 : 00000000003706e0 # WRITE_RO: saw 'call trace:': ok ok 39 sel<4>[ 60.217364] Call Trace: ftests: lkdtm: WRITE_RO.sh # selftests: lkdtm: WRITE_RO_AFTER_I<4>[ 60.226618] ? __warn+0x80/0x110 <4>[ 60.236703] ? refcount_warn_saturate+0x51/0x110 NIT.sh # Killed # [ 49.151586] lkdtm: Performing direct entr<4>[ 60.242155] ? report_bug+0x9e/0xc0 y WRITE_RO_AFTER_INIT # [ 49.162293] lkdtm: attempting bad ro<4>[ 60.252552] ? handle_bug+0x41/0x90 _after_init write at ffffffffb1959350 # [ 49.176404] BUG: una<4>[ 60.262951] ? exc_invalid_op+0x14/0x70 ble to handle page fault for address: ffffffffb1959350 # [ 49<4>[ 60.273740] ? asm_exc_invalid_op+0x12/0x20 .190562] #PF: supervisor write access in kernel mode # [ 49.1<4>[ 60.284922] ? refcount_warn_saturate+0x51/0x110 96690] #PF: error_code(0x0003) - permissions violation # [ 49<4>[ 60.296583] ? refcount_warn_saturate+0x51/0x110 .203195] PGD 34029067 P4D 34029067 PUD 3402a063 PMD 8000000033c0<4>[ 60.308249] lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x64 00e1 # [ 49.210977] Oops: 0003 [#15] SMP PTI # [ 49.22147<4>[ 60.320206] direct_entry.cold+0x2c/0x38 0] CPU: 1 PID: 1969 Comm: cat Tainted: G D W 5.10.2<4>[ 60.331092] full_proxy_write+0x53/0x80 16-cip47 #1 # [ 49.230416] Hardware name: Google Rammus/Rammu<4>[ 60.341907] vfs_write+0xe7/0x3b0 <4>[ 60.352115] ksys_write+0x68/0xf0 s, BIOS 09/04/2020 # [ 49.237516] RIP: 0010:lkdtm_WRITE_RO_A<4>[ 60.356113] do_syscall_64+0x30/0x40 FTER_INIT+0x4e/0x5a # [ 49.243837] Code: 10 8d b1 e9 9e d8 fb<4>[ 60.366612] entry_SYSCALL_64_after_hwframe+0x67/0xcc ff 48 c7 c7 20 11 8d b1 e8 92 d8 fb ff 48 8b 05 46 eb cf 01 ba <4>[ 60.378762] RIP: 0033:0x7f34e3382240 34 12 cd ab 48 c7 c7 c8 10 8d b1 48 31 d0 <48> 89 05 30 eb cf 01<4>[ 60.389262] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89 e9 70 d8 fb ff 0f 1f 44 00 00 41 54 48 c7 c7 <4>[ 60.416759] RSP: 002b:00007ffc4f53c4a8 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 # [ 49.271331] RSP: 0018:ffff9b6e8293be60 EFLAGS: 00010202<4>[ 60.430076] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f34e3382240 <4>[ 60.444169] RDX: 0000000000000017 RSI: 00007f34e3266000 RDI: 0000000000000001 <4>[ 60.452437] RBP: 0000000000000017 R08: 00000000ffffffff R09: 0000000000000000 <4>[ 60.460706] R10: 00007f34e32a34d0 R11: 0000000000000202 R12: 00007f34e3266000 # [ 49.277448] RAX: 00000000fe67479e RBX: 0000000000000029 RCX<4>[ 60.469162] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 : 0000000000000000 # [ 49.285709] RDX: 00000000abcd1234 RSI: <4>[ 60.483647] irq event stamp: 0 ffff8ab<4>[ 60.493561] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 60.501534] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 27ac9bf50 RDI: ffffffffb18d10c8 # [ 49.293972] RBP: ffffffffb<4>[ 60.510987] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 18d02be R08: 0000000000000000 R09: 0000000000000000 # [ 49.30<4>[ 60.526635] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 60.540143] ---[ end trace 8025eed8b81a5ac9 ]--- 2233] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000<6>[ 60.545593] lkdtm: Saturation detected: still saturated 0000014 # [ 49.310496] R13: ffff9b6e8293bf10 R14: ffff9b6e8293bf10 R15: ffff8ab208708000 # [ 49.318758] FS: 00007fa928244740(0000) GS:ffff8ab27ac80000(0000) knlGS:0000000000000000 # [ 49.328088] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 49.334796] CR2: ffffffffb1959350 CR3: 0000000105f94005 CR4: 00000000003706e0 # [ 49.343058] Call Trace: # [ 49.346079] ? __die_body.cold+0x1a/0x1f # [ 49.350749] ? no_context+0x177/0x380 # [ 49.361344] ? exc_page_fault+0xd7/0x170 # [ 49.366014] ? asm_exc_page_fault+0x1e/0x30 # [ 49.377191] ? lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a # [ 49.382833] direct_entry.cold+0x2c/0x38 # [ 49.393719] full_proxy_write+0x53/0x80 # [ 49.398294] vfs_write+0xe7/0x3b0 # [ 49.408498] ksys_write+0x68/0xf0 # [ 49.412488] do_syscall_64+0x30/0x40 # [ 49.416761] entry_SYSCALL_64_after_hwframe+0x67/0xcc # [ 49.422694] RIP: 0033:0x7fa92833f240 # [ 49.426974] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89 # [ 49.448255] RSP: 002b:00007ffc90b39518 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 # [ 49.457002] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007fa92833f240 # [ 49.465265] RDX: 0000000000000014 RSI: 00007fa928223000 RDI: 0000000000000001 # [ 49.473528] RBP: 0000000000000014 R08: 00000000ffffffff R0<6>[ 60.699678] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED <6>[ 60.708850] lkdtm: attempting bad refcount_inc_not_zero() from saturated 9: 0000000000000000 # [ 49.481790] R10: 00007fa9282604d0 R11:<4>[ 60.716642] ------------[ cut here ]------------ 0000000000000202 R12: 00007fa928223000 # [ 49.490050] R13: 0<4>[ 60.728307] refcount_t: saturated; leaking memory. 000000000000001 R14: 0000000000020000 R15: 0000000000000000 # [<4>[ 60.740178] WARNING: CPU: 2 PID: 2488 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 49.498316] Modules linked in: fuse ip_tables cros_ec_sensors <4>[ 60.756097] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel intel_pmc_core_pltdrv uvcvideo cros_ec_sysfs videobuf2_vmalloc cros_ec_lightbar cros_ec_sensorhub cros_ec_debugfs cros_usbpd_charger videobuf2_memops cros_ec_chardev cros_usbpd_logger intel_pmc_core videobuf2_v4l2 iTCO_wdt snd_soc_da7219 bluetooth watchdog snd_soc_max98927 processor_thermal_device gsmi iwlmvm x86_pkg_temp_thermal cros_ec_dev intel_pmc_bxt ecdh_generic videobuf2_common iwlwifi idma64 snd_soc_core ecc intel_soc_dts_iosf snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify int3403_thermal int340x_thermal_zone pinctrl_sunrisepoint int3400_thermal acpi_thermal_rel cros_kbd_led_backlight chromeos_pstore coreboot_table <4>[ 60.843845] CPU: 2 PID: 2488 Comm: cat Tainted: G D W 5.10.216-cip47 #1 cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_bu<4>[ 60.852802] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 60.866105] RIP: 0010:refcount_warn_saturate+0x97/0x110 <4>[ 60.872232] Code: 02 01 e8 32 70 c5 00 0f 0b c3 cc cc cc cc 80 3d 84 d1 f6 02 00 75 a8 48 c7 c7 40 aa 82 b1 c6 05 74 d1 f6 02 01 e8 0f 70 c5 00 <0f> 0b c3 cc cc cc cc 80 3d 5e d1 f6 02 00 75 85 48 c7 c7 98 aa 82 <4>[ 60.893510] RSP: 0018:ffff9b6e83133e38 EFLAGS: 00010282 <4>[ 60.899637] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 ffer kfifo_buf industrialio btusb btrtl btbcm btintel intel_pmc_<4>[ 60.907904] RDX: ffff8ab27ad2c620 RSI: ffff8ab27ad1bf50 RDI: ffff8ab27ad1bf50 <4>[ 60.922378] RBP: ffffffffb18cffb0 R08: 0000000000000000 R09: 0000000000000000 <4>[ 60.930644] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 <4>[ 60.938908] R13: ffff9b6e83133f10 R14: ffff9b6e83133f10 R15: ffff8ab20877f000 <4>[ 60.947172] FS: 00007ffb70f06740(0000) GS:ffff8ab27ad00000(0000) knlGS:0000000000000000 <4>[ 60.956505] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 60.963218] CR2: 00007ffb70ee5000 CR3: 0000000107f9e003 CR4: 00000000003706e0 <4>[ 60.971481] Call Trace: <4>[ 60.974504] ? __warn+0x80/0x110 core_pltdrv uvcvideo cros_ec_sysfs videobuf2_vmalloc cros_ec_lig<4>[ 60.978426] ? refcount_warn_saturate+0x97/0x110 <4>[ 60.990082] ? report_bug+0x9e/0xc0 <4>[ 60.994269] ? handle_bug+0x41/0x90 <4>[ 60.998487] ? exc_invalid_op+0x14/0x70 htbar cros_ec_sensorhub cros_ec_debugfs cros_usbpd_charger video<4>[ 61.003063] ? asm_exc_invalid_op+0x12/0x20 buf2_memops cros_ec_chardev cros_usbpd_logger intel_pmc_core vid<4>[ 61.014245] ? refcount_warn_saturate+0x97/0x110 <4>[ 61.025906] ? refcount_warn_saturate+0x97/0x110 <4>[ 61.031384] __refcount_add_not_zero.constprop.0+0x2a/0x35 <4>[ 61.037805] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x76 <4>[ 61.044420] direct_entry.cold+0x2c/0x38 <4>[ 61.049092] full_proxy_write+0x53/0x80 <4>[ 61.053695] vfs_write+0xe7/0x3b0 <4>[ 61.057686] ksys_write+0x68/0xf0 <4>[ 61.061685] do_syscall_64+0x30/0x40 <4>[ 61.065969] entry_SYSCALL_64_after_hwframe+0x67/0xcc <4>[ 61.071904] RIP: 0033:0x7ffb71001240 <4>[ 61.076186] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89 <4>[ 61.097465] RSP: 002b:00007ffc4cc2d5e8 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 <4>[ 61.106214] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007ffb71001240 <4>[ 61.114479] RDX: 0000000000000020 RSI: 00007ffb70ee5000 RDI: 0000000000000001 <4>[ 61.122741] RBP: 0000000000000020 R08: 00000000ffffffff R09: 0000000000000000 <4>[ 61.131007] R10: 00007ffb70f224d0 R11: 0000000000000202 R12: 00007ffb70ee5000 <4>[ 61.139274] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 <4>[ 61.147541] irq event stamp: 0 eobuf2_v4l2 iTCO_wdt snd_soc_da7219 bluetooth watchdog snd_soc_m<4>[ 61.151266] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 61.164770] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 61.174200] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 61.183634] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 61.190926] ---[ end trace 8025eed8b81a5aca ]--- <6>[ 61.196375] lkdtm: Saturation detected: still saturated ax98927 processor_thermal_device gsmi iwlmvm x86_pkg_temp_thermal cros_ec_dev intel_pmc_bxt ecdh_generic videobuf2_common iwlwifi idma64 snd_soc_core ecc intel_soc_dts_iosf snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify int3403_thermal int340x_thermal_zone pinctrl_sunrisepoint int3400_thermal acpi_thermal_rel cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 49.586040] CR2: ffffffffb1959350 # [ 49.590029] ---[ end trace 8025eed8b81a5abb ]--- # [ 49.595468] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 49.600138] Code: 89 ff e8 5e ae 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 60 0e eb 03 # [ 49.621419] RSP: 0018:ffff9b6e8143be60 EFLAGS: 00010286 # [ 49.627544] RAX: ffffffffaf57fff0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 49.635808] RDX: 0000000000000000 RSI: ffff8ab27ac1bf50 RDI: ffffffffb1440670 # [ 49.644070] RBP: ffffffffb1936f68 R08: 0000000000000001 R09: 0000000000000001 # [ 49.652331] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 49.660593] R13: ffff9b6e8143bf10 R14: ffff9b6e8143bf10 R15: ffff8ab2086b3000 # [ 49.668856] FS: 00007fa928244740(0000) GS:ffff8ab27ac80000(0000) knlGS:0000000000000000 # [ 49.678180] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 49.684888] CR2: ffffffffb1959350 CR3: 0000000105f94005 CR4: 00000000003706e0 # [ 49.693150] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 49.703355] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1969, name: cat # [ 49.712103] INFO: lockdep is turned off. # [ 49.716770] irq event stamp: 0 # [ 49.720466] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 49.727760] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 49.737188] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 49.746634] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 49.753926] CPU: 1 PID: 1969 Comm: cat Tainted: G D W 5.10.216-cip47 #1 # [ 49.762868] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 49.769965] Call Trace: # [ 49.772986] dump_stack+0x77/0x9b # [ 49.776976] ___might_sleep.cold+0xa6/0xb6 # [ 49.788055] exit_signals+0x1c/0x300 # [ 49.792337] do_exit+0xc2/0xab0 # [ 49.796133] ? ksys_write+0x68/0xf0 # [ 49.800319] make_task_dead+0x2f/0x30 # [ 49.804697] rewind_stack_and_make_dead+0x17/0x20 # [ 49.810239] RIP: 0033:0x7fa92833f240 # [ 49.814520] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89 # [ 49.835796] RSP: 002b:00007ffc90b39518 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 # [ 49.844543] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007fa92833f240 # [ 49.852803] RDX: 0000000000000014 RSI: 00007fa928223000 RDI: 0000000000000001 # [ 49.861065] RBP: 0000000000000014 R08: 00000000ffffffff R09: 0000000000000000 # [ 49.869327] R10: 00007fa9282604d0 R11: 0000000000000202 R12: 00007fa928223000 # [ 49.877590] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 # WRITE_RO_AFTER_INIT: saw 'call trace:': ok ok 40 selftests: lkdtm: WRITE_RO_AFTER_INIT.sh # selftests: lkdtm: WRITE_KERN.sh # Killed # [ 50.057288] lkdtm: Performing direct entry WRITE_KERN # [ 50.065822] lkdtm: attempting bad 7185258 byte write at ffffffffafc5a72a # [ 50.079840] BUG: unable to handle page fault for address: ffffffffafc5a72a # [ 50.093998] #PF: supervisor write access in kernel mode # [ 50.100115] #PF: error_code(0x0003) - permissions violation # [ 50.106633] PGD 34029067 P4D 34029067 PUD 3402a063 PMD 320000e1 # [ 50.113638] Oops: 0003 [#16] SMP PTI # [ 50.124133] CPU: 1 PID: 2005 Comm: cat Tainted: G D W 5.10.216-cip47 #1 # [ 50.133068] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 50.140159] RIP: 0010:lkdtm_WRITE_KERN+0x38/0x4e # [ 50.145625] Code: 53 48 c7 c3 2a a7 c5 af 49 89 dc 48 89 da 49 81 ec c0 03 58 af 4c 89 e6 e8 45 d8 fb ff 48 89 df 4c 89 e1 48 c7 c6 c0 03 58 af a4 48 c7 c7 c8 10 8d b1 e8 2a d8 fb ff 5b 41 5c e9 b7 fe ff ff # [ 50.173123] RSP: 0018:ffff9b6e829cbe50 EFLAGS: 00010246 # [ 50.179250] RAX: 000000000000003c RBX: ffffffffafc5a72a RCX: 00000000006da36a # [ 50.187513] RDX: 0000000000000000 RSI: ffffffffaf5803c0 RDI: ffffffffafc5a72a # [ 50.195774] RBP: ffffffffb18d02d2 R08: 0000000000000000 R09: 0000000000000000 # [ 50.204036] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 00000000006da36a # [ 50.212290] R13: ffff9b6e829cbf10 R14: ffff9b6e829cbf10 R15: ffff8ab20877c000 # [ 50.220554] FS: 00007f54d5c18740(0000) GS:ffff8ab27ac80000(0000) knlGS:0000000000000000 # [ 50.229875] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 50.236582] CR2: ffffffffafc5a72a CR3: 000000010294c006 CR4: 00000000003706e0 # [ 50.244846] Call Trace: # [ 50.247867] ? __die_body.cold+0x1a/0x1f # [ 50.252539] ? no_context+0x177/0x380 # [ 50.263131] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 # [ 50.268871] ? exc_page_fault+0xd7/0x170 # [ 50.273542] ? asm_exc_page_fault+0x1e/0x30 # [ 50.278494] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 # [ 50.284232] ? lkdtm_SLAB_FREE_PAGE+0x40/0x40 # [ 50.289389] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 # [ 50.301344] ? lkdtm_WRITE_KERN+0x38/0x4e # [ 50.306110] direct_entry.cold+0x2c/0x38 # [ 50.310781] full_proxy_write+0x53/0x80 # [ 50.315356] vfs_write+0xe7/0x3b0 # [ 50.325560] ksys_write+0x68/0xf0 # [ 50.329551] do_syscall_64+0x30/0x40 # [ 50.333833] entry_SYSCALL_64_after_hwframe+0x67/0xcc # [ 50.339764] RIP: 0033:0x7f54d5d13240 # [ 50.344044] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89 # [ 50.365313] RSP: 002b:00007ffff5134c98 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 # [ 50.374061] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f54d5d13240 # [ 50.382323] RDX: 000000000000000b RSI: 00007f54d5bf7000 RDI: 0000000000000001 # [ 50.390586] RBP: 000000000000000b R08: 00000000ffffffff R09: 0000000000000000 # [ 50.398847] R10: 00007f54d5c344d0 R11: 0000000000000202 R12: 00007f54d5bf7000 # [ 50.407109] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 # [ 50.415375] Modules linked in: fuse ip_tabl<6>[ 61.867874] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED <6>[ 61.880251] lkdtm: attempting bad refcount_add_not_zero() from saturated <4>[ 61.888054] ------------[ cut here ]------------ <4>[ 61.893521] refcount_t: saturated; leaking memory. <4>[ 61.899196] WARNING: CPU: 3 PID: 2521 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 es cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core indust<4>[ 61.908928] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel intel_pmc_core_pltdrv uvcvideo cros_ec_sysfs videobuf2_vmalloc cros_ec_lightbar cros_ec_sensorhub cros_ec_debugfs cros_usbpd_charger videobuf2_memops cros_ec_chardev cros_usbpd_logger intel_pmc_core videobuf2_v4l2 iTCO_wdt snd_soc_da7219 bluetooth watchdog snd_soc_max98927 processor_thermal_device gsmi iwlmvm x86_pkg_temp_thermal cros_ec_dev intel_pmc_bxt ecdh_generic videobuf2_common iwlwifi idma64 snd_soc_core ecc intel_soc_dts_iosf snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify int3403_thermal int340x_thermal_zone pinctrl_sunrisepoint int3400_thermal acpi_thermal_rel cros_kbd_led_backlight chromeos_pstore coreboot_table rialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm<4>[ 61.996655] CPU: 3 PID: 2521 Comm: cat Tainted: G D W 5.10.216-cip47 #1 <4>[ 62.011809] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 62.018912] RIP: 0010:refcount_warn_saturate+0x97/0x110 <4>[ 62.025072] Code: 02 01 e8 32 70 c5 00 0f 0b c3 cc cc cc cc 80 3d 84 d1 f6 02 00 75 a8 48 c7 c7 40 aa 82 b1 c6 05 74 d1 f6 02 01 e8 0f 70 c5 00 <0f> 0b c3 cc cc cc cc 80 3d 5e d1 f6 02 00 75 85 48 c7 c7 98 aa 82 <4>[ 62.046380] RSP: 0018:ffff9b6e831bbe38 EFLAGS: 00010282 <4>[ 62.052512] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 <4>[ 62.060778] RDX: ffff8ab27adac620 RSI: ffff8ab27ad9bf50 RDI: ffff8ab27ad9bf50 <4>[ 62.069066] RBP: ffffffffb18cffd0 R08: 0000000000000000 R09: 0000000000000000 <4>[ 62.077332] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 <4>[ 62.085599] R13: ffff9b6e831bbf10 R14: ffff9b6e831bbf10 R15: ffff8ab206999000 <4>[ 62.093865] FS: 00007fee7b06c740(0000) GS:ffff8ab27ad80000(0000) knlGS:0000000000000000 <4>[ 62.103200] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 62.109910] CR2: 00007fee7b04b000 CR3: 0000000107c36005 CR4: 00000000003706e0 <4>[ 62.118177] Call Trace: <4>[ 62.121220] ? __warn+0x80/0x110 btintel intel_pmc_core_pltdrv uvcvideo cros_ec_sysfs videobuf2_<4>[ 62.125127] ? refcount_warn_saturate+0x97/0x110 <4>[ 62.136786] ? report_bug+0x9e/0xc0 <4>[ 62.140999] ? handle_bug+0x41/0x90 vmalloc cros_ec_lightbar cros_ec_sensorhub cros_ec_debugfs cros_<4>[ 62.145221] ? exc_invalid_op+0x14/0x70 usbpd_charger videobuf2_memops cros_ec_chardev cros_usbpd_logger<4>[ 62.156012] ? asm_exc_invalid_op+0x12/0x20 <4>[ 62.167195] ? refcount_warn_saturate+0x97/0x110 <4>[ 62.172686] ? refcount_warn_saturate+0x97/0x110 <4>[ 62.178161] __refcount_add_not_zero.constprop.0+0x2a/0x35 <4>[ 62.184626] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x76 intel_pmc_core videobuf2_v4l2 iTCO_wdt snd_soc_da7219 bluetooth<4>[ 62.191253] direct_entry.cold+0x2c/0x38 watchdog snd_soc_max98927 processor_thermal_device gsmi iwlmvm <4>[ 62.202158] full_proxy_write+0x53/0x80 <4>[ 62.212962] vfs_write+0xe7/0x3b0 x86_pkg_temp_thermal cros_ec_dev intel_pmc_bxt ecdh_generic vide<4>[ 62.216969] ksys_write+0x68/0xf0 <4>[ 62.227164] do_syscall_64+0x30/0x40 <4>[ 62.231472] entry_SYSCALL_64_after_hwframe+0x67/0xcc <4>[ 62.237409] RIP: 0033:0x7fee7b167240 <4>[ 62.241717] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89 <4>[ 62.263020] RSP: 002b:00007fff69994fa8 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 <4>[ 62.271796] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fee7b167240 <4>[ 62.280061] RDX: 0000000000000020 RSI: 00007fee7b04b000 RDI: 0000000000000001 <4>[ 62.288327] RBP: 0000000000000020 R08: 00000000ffffffff R09: 0000000000000000 <4>[ 62.296591] R10: 00007fee7b0884d0 R11: 0000000000000202 R12: 00007fee7b04b000 <4>[ 62.304856] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 <4>[ 62.313144] irq event stamp: 0 obuf2_common iwlwifi idma64 snd_soc_core ecc intel_soc_dts_iosf <4>[ 62.316854] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 62.330360] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 62.339818] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 62.349248] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 62.356544] ---[ end trace 8025eed8b81a5acb ]--- <6>[ 62.361993] lkdtm: Saturation detected: still saturated snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify int3403_thermal int340x_thermal_zone pinctrl_sunrisepoint int3400_thermal acpi_thermal_rel cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 50.503096] CR2: ffffffffafc5a72a # [ 50.507084] ---[ end trace 8025eed8b81a5abc ]--- # [ 50.512530] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 50.517200] Code: 89 ff e8 5e ae 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 60 0e eb 03 # [ 50.538469] RSP: 0018:ffff9b6e8143be60 EFLAGS: 00010286 # [ 50.544592] RAX: ffffffffaf57fff0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 50.552856] RDX: 0000000000000000 RSI: ffff8ab27ac1bf50 RDI: ffffffffb1440670 # [ 50.561119] RBP: ffffffffb1936f68 R08: 0000000000000001 R09: 0000000000000001 # [ 50.569382] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 50.577645] R13: ffff9b6e8143bf10 R14: ffff9b6e8143bf10 R15: ffff8ab2086b3000 # [ 50.585907] FS: 00007f54d5c18740(0000) GS:ffff8ab27ac80000(0000) knlGS:0000000000000000 # [ 50.595238] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 50.601946] CR2: ffffffffafc5a72a CR3: 000000010294c006 CR4: 00000000003706e0 # WRITE_KERN: saw 'call trace:': ok ok 41 selftests: lkdtm: WRITE_KERN.sh # selftests: lkdtm: REFCOUNT_INC_OVERFLOW.sh # [ 50.748024] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW # [ 50.760236] lkdtm: attempting good refcount_inc() without overflow # [ 50.767488] lkdtm: attempting bad refcount_inc() overflow # [ 50.773812] ------------[ cut here ]------------ # [ 50.785469] refcount_t: saturated; leaking memory. # [ 50.791145] WARNING: CPU: 2 PID: 2041 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 50.800<6>[ 62.547870] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED <6>[ 62.556399] lkdtm: attempting bad refcount_dec_and_test() from saturated <4>[ 62.564205] ------------[ cut here ]------------ 874] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_l<4>[ 62.569683] refcount_t: underflow; use-after-free. <4>[ 62.581565] WARNING: CPU: 3 PID: 2557 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 id_angle cros_ec_sensors_core industrialio_triggered_buffer kfif<4>[ 62.591294] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel intel_pmc_core_pltdrv uvcvideo cros_ec_sysfs videobuf2_vmalloc cros_ec_lightbar cros_ec_sensorhub cros_ec_debugfs cros_usbpd_charger videobuf2_memops cros_ec_chardev cros_usbpd_logger intel_pmc_core videobuf2_v4l2 iTCO_wdt snd_soc_da7219 bluetooth watchdog snd_soc_max98927 processor_thermal_device gsmi iwlmvm x86_pkg_temp_thermal cros_ec_dev intel_pmc_bxt ecdh_generic videobuf2_common iwlwifi idma64 snd_soc_core ecc intel_soc_dts_iosf snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify int3403_thermal int340x_thermal_zone pinctrl_sunrisepoint int3400_thermal acpi_thermal_rel cros_kbd_led_backlight chromeos_pstore coreboot_table <4>[ 62.679062] CPU: 3 PID: 2557 Comm: cat Tainted: G D W 5.10.216-cip47 #1 <4>[ 62.688036] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 62.695138] RIP: 0010:refcount_warn_saturate+0xba/0x110 <4>[ 62.701266] Code: 02 01 e8 0f 70 c5 00 0f 0b c3 cc cc cc cc 80 3d 5e d1 f6 02 00 75 85 48 c7 c7 98 aa 82 b1 c6 05 4e d1 f6 02 01 e8 ec 6f c5 00 <0f> 0b c3 cc cc cc cc 80 3d 39 d1 f6 02 00 0f 85 5e ff ff ff 48 c7 <4>[ 62.722547] RSP: 0018:ffff9b6e83223e40 EFLAGS: 00010286 <4>[ 62.728688] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000 <4>[ 62.736953] RDX: ffff8ab27adac620 RSI: ffff8ab27ad9bf50 RDI: ffff8ab27ad9bf50 <4>[ 62.745220] RBP: ffffffffb18cfff0 R08: 0000000000000000 R09: 0000000000000000 <4>[ 62.753486] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 <4>[ 62.761751] R13: ffff9b6e83223f10 R14: ffff9b6e83223f10 R15: ffff8ab203254000 <4>[ 62.770017] FS: 00007f786fefb740(0000) GS:ffff8ab27ad80000(0000) knlGS:0000000000000000 <4>[ 62.779352] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 62.786063] CR2: 00007f786feda000 CR3: 000000010699e002 CR4: 00000000003706e0 <4>[ 62.794329] Call Trace: <4>[ 62.797353] ? __warn+0x80/0x110 o_buf industrialio btusb btrtl btbcm btintel intel_pmc_core_pltd<4>[ 62.801273] ? refcount_warn_saturate+0xba/0x110 <4>[ 62.812933] ? report_bug+0x9e/0xc0 <4>[ 62.817152] ? handle_bug+0x41/0x90 rv uvcvideo cros_ec_sysfs videobuf2_vmalloc cros_ec_lightbar cro<4>[ 62.821374] ? exc_invalid_op+0x14/0x70 s_ec_sensorhub cros_ec_debugfs cros_usbpd_charger videobuf2_memo<4>[ 62.832167] ? asm_exc_invalid_op+0x12/0x20 ps cros_ec_chardev cros_usbpd_logger intel_pmc_core videobuf2_v4<4>[ 62.843347] ? refcount_warn_saturate+0xba/0x110 l2 iTCO_wdt snd_soc_da7219 bluetooth watchdog snd_soc_max98927 p<4>[ 62.855008] __refcount_sub_and_test.constprop.0+0x3c/0x50 rocessor_thermal_device gsmi iwlmvm x86_pkg_temp_thermal cros_ec<4>[ 62.867641] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x76 _dev intel_pmc_bxt ecdh_generic videobuf2_common iwlwifi idma64 <4>[ 62.880469] direct_entry.cold+0x2c/0x38 snd_soc_core ecc intel_soc_dts_iosf snd_compress snd_pcm_dmaengi<4>[ 62.891355] full_proxy_write+0x53/0x80 ne regmap_i2c i2c_hid cros_usbpd_notify int3403_thermal int340x_<4>[ 62.902143] vfs_write+0xe7/0x3b0 thermal_zone pinctrl_sunrisepoint int3400_thermal acpi_thermal_r<4>[ 62.912348] ksys_write+0x68/0xf0 el cros_kbd_led_backlight chromeos_pstore coreboot_table # [ <4>[ 62.922554] do_syscall_64+0x30/0x40 50.888582] CPU: 2 PID: 2041 Comm: cat Tainted: G D W <4>[ 62.933053] entry_SYSCALL_64_after_hwframe+0x67/0xcc 5.10.216-cip47 #1 # [ 50.897558] Hardware name: Google Ramm<4>[ 62.945201] RIP: 0033:0x7f786fff6240 us/Rammus, BIOS 09/04/2020 # [ 50.910878] RIP: 0010:refcount<4>[ 62.955698] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89 _warn_saturate+0x51/0x110 # [ 50.923222] Code: 84 bc 00 00 00<4>[ 62.983187] RSP: 002b:00007ffe258de208 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 c3 cc cc cc cc 85 f6 74 46 80 3d c9 d1 f6 02 00 75 ee 48 c7 c7 <4>[ 62.998151] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f786fff6240 40 aa 82 b1 c6 05 b9 d1 f6 02 01 e8 55 70 c5 00 <0f> 0b c3 cc cc<4>[ 63.012632] RDX: 0000000000000020 RSI: 00007f786feda000 RDI: 0000000000000001 cc cc 80 3d a5 d1 f6 02 00 75 cb 48 c7 c7 68 aa 82 # [ 50.95<4>[ 63.027112] RBP: 0000000000000020 R08: 00000000ffffffff R09: 0000000000000000 0721] RSP: 0018:ffff9b6e82a53e48 EFLAGS: 00010286 # [ 50.9568<4>[ 63.041591] R10: 00007f786ff174d0 R11: 0000000000000202 R12: 00007f786feda000 <4>[ 63.056077] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 <4>[ 63.064397] irq event stamp: 0 80] RAX: 0000000000000000 RBX: 000000000000002b RCX: 00000000000<4>[ 63.068106] hardirqs last enabled at (0): [<0000000000000000>] 0x0 00000 # [ 50.965145] RDX: ffff8ab27ad2c620 RSI: ffff8ab27ad1b<4>[ 63.081640] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 63.081641] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 f50 RDI: ffff8ab27ad1bf50 # [ 50.973411] RBP: ffffffffb18d02d<4>[ 63.081642] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 63.081644] ---[ end trace 8025eed8b81a5acc ]--- <6>[ 63.081647] lkdtm: Saturation detected: still saturated d R08: 0000000000000000 R09: 0000000000000000 # [ 50.981707] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 50.989988] R13: ffff9b6e82a53f10 R14: ffff9b6e82a53f10 R15: ffff8ab204768000 # [ 51.004457] FS: 00007fe7fd31f740(0000) GS:ffff8ab27ad00000(0000) knlGS:0000000000000000 # [ 51.013822] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 51.020534] CR2: 00007fe7fd2fe000 CR3: 0000000107456005 CR4: 00000000003706e0 # [ 51.028800] Call Trace: # [ 51.031826] ? __warn+0x80/0x110 # [ 51.035748] ? refcount_warn_saturate+0x51/0x110 # [ 51.047409] ? report_bug+0x9e/0xc0 # [ 51.051638] ? handle_bug+0x41/0x90 # [ 51.062042] ? exc_invalid_op+0x14/0x70 # [ 51.066650] ? asm_exc_invalid_op+0x12/0x20 # [ 51.077835] ? refcount_warn_saturate+0x51/0x110 # [ 51.083315] ? refcount_warn_saturate+0x51/0x110 # [ 51.088768] lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x98 # [ 51.094444] direct_entry.cold+0x2c/0x38 # [ 51.099120] full_proxy_write+0x53/0x80 # [ 51.103728] vfs_write+0xe7/0x3b0 # [ 51.107754] ksys_write+0x68/0xf0 # [ 51.111778] do_syscall_64+0x30/0x40 # [ 51.116094] entry_SYSCALL_64_after_hwframe+0x67/0xcc # [ 51.122062] RIP: 0033:0x7fe7fd41a240 # [ 51.126346] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89 # [ 51.147639] RSP: 002b:00007ffff1b25af8 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 # [ 51.162626] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fe7fd41a240 # [ 51.170902] RDX: 0000000000000016 RSI: 00007fe7fd2fe000 RDI: 0000000000000001 # [ 51.185378] RBP: 0000000000000016 R08: 00000000ffffffff R09: 0000000000000000 # [ 51.193649] R10: 00007fe7fd33b4d0 R11: 0000000000000202 R12: 00007fe7fd2fe000 # [ 51.201922] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 # [ 51.216409] irq event stamp: 0 # [ 51.226326] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 51.233651] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 51.243090] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 51.258729] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 51.266024] ---[ end trace 8025eed8b81a5abd ]--- # [ 51.271471] lkdtm: Overflow detected: saturated # REFCOUNT_INC_OVERFLOW: saw 'c<6>[ 63.372884] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED all trace:': ok ok 42 selftests: lkdtm: REFCOUNT_INC_OVERFLOW.s<6>[ 63.382143] lkdtm: attempting bad refcount_sub_and_test() from saturated h # selftests: lkdtm: REFCOUNT_ADD_OVERFLOW.sh # [ 51.397840<4>[ 63.396142] ------------[ cut here ]------------ ] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW # [ 51<4>[ 63.407804] refcount_t: underflow; use-after-free. .408168] lkdtm: attempting good refcount_add() without overflow <4>[ 63.419717] WARNING: CPU: 1 PID: 2593 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 51.421586] lkdtm: attempting bad refcount_add() overflow <4>[ 63.435636] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel intel_pmc_core_pltdrv uvcvideo cros_ec_sysfs videobuf2_vmalloc cros_ec_lightbar cros_ec_sensorhub cros_ec_debugfs cros_usbpd_charger videobuf2_memops cros_ec_chardev cros_usbpd_logger intel_pmc_core videobuf2_v4l2 iTCO_wdt snd_soc_da7219 bluetooth watchdog snd_soc_max98927 processor_thermal_device gsmi iwlmvm x86_pkg_temp_thermal cros_ec_dev intel_pmc_bxt ecdh_generic videobuf2_common iwlwifi idma64 snd_soc_core ecc intel_soc_dts_iosf snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify int3403_thermal int340x_thermal_zone pinctrl_sunrisepoint int3400_thermal acpi_thermal_rel cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 51.434122] ------------[ cut here ]------------ # [ 51<4>[ 63.523333] CPU: 1 PID: 2593 Comm: cat Tainted: G D W 5.10.216-cip47 #1 .445789] refcount_t: saturated; leaking memory. # [ 51.457665<4>[ 63.538490] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 ] WARNING: CPU: 1 PID: 2074 at lib/refcount.c:22 refcount_warn_s<4>[ 63.551805] RIP: 0010:refcount_warn_saturate+0xba/0x110 aturate+0x51/0x110 # [ 51.473592] Modules linked in: fuse ip_<4>[ 63.564147] Code: 02 01 e8 0f 70 c5 00 0f 0b c3 cc cc cc cc 80 3d 5e d1 f6 02 00 75 85 48 c7 c7 98 aa 82 b1 c6 05 4e d1 f6 02 01 e8 ec 6f c5 00 <0f> 0b c3 cc cc cc cc 80 3d 39 d1 f6 02 00 0f 85 5e ff ff ff 48 c7 tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core in<4>[ 63.591646] RSP: 0018:ffff9b6e832abe40 EFLAGS: 00010286 dustrialio_triggered_buffer kfifo_buf industrialio btusb btrtl b<4>[ 63.603985] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000 tbcm btintel intel_pmc_core_pltdrv uvcvideo cros_ec_sysfs videob<4>[ 63.618465] RDX: ffff8ab27acac620 RSI: ffff8ab27ac9bf50 RDI: ffff8ab27ac9bf50 uf2_vmalloc cros_ec_lightbar cros_ec_sensorhub cros_ec_debugfs c<4>[ 63.632944] RBP: ffffffffb18d0010 R08: 0000000000000000 R09: 0000000000000000 <4>[ 63.647424] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 ros_usbpd_charger videobuf2_memops cros_ec_chardev cros_usbpd_lo<4>[ 63.655692] R13: ffff9b6e832abf10 R14: ffff9b6e832abf10 R15: ffff8ab207d48000 gger intel_pmc_core videobuf2_v4l2 iTCO_wdt snd_soc_da7219 bluet<4>[ 63.670173] FS: 00007f13a3329740(0000) GS:ffff8ab27ac80000(0000) knlGS:0000000000000000 ooth watchdog snd_soc_max98927 processor_thermal_device gsmi iwl<4>[ 63.685715] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 mvm x86_pkg_temp_thermal cros_ec_dev intel_pmc_bxt ecdh_generic <4>[ 63.698637] CR2: 00007f13a3308000 CR3: 0000000103b36001 CR4: 00000000003706e0 videobuf2_common iwlwifi idma64 snd_soc_core ecc intel_soc_dts_i<4>[ 63.713112] Call Trace: osf snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd<4>[ 63.722358] ? __warn+0x80/0x110 _notify int3403_thermal int340x_thermal_zone pinctrl_sunrisepoin<4>[ 63.732461] ? refcount_warn_saturate+0xba/0x110 t int3400_thermal acpi_thermal_rel cros_kbd_led_backlight chrome<4>[ 63.744119] ? report_bug+0x9e/0xc0 os_pstore coreboot_table # [ 51.561318] CPU: 1 PID: 2074 Comm<4>[ 63.754520] ? handle_bug+0x41/0x90 : cat Tainted: G D W 5.10.216-cip47 #1 # [ 51.57<4>[ 63.764921] ? exc_invalid_op+0x14/0x70 6482] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [<4>[ 63.775707] ? asm_exc_invalid_op+0x12/0x20 51.589801] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ <4>[ 63.786886] ? refcount_warn_saturate+0xba/0x110 51.602145] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3<4>[ 63.798545] __refcount_sub_and_test.constprop.0+0x3c/0x50 d c9 d1 f6 02 00 75 ee 48 c7 c7 40 aa 82 b1 c6 05 b9 d1 f6 02 01<4>[ 63.811177] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x76 e8 55 70 c5 00 <0f> 0b c3 cc cc cc cc 80 3d a5 d1 f6 02 00 75 c<4>[ 63.824005] direct_entry.cold+0x2c/0x38 b 48 c7 c7 68 aa 82 # [ 51.629655] RSP: 0018:ffff9b6e82acbe48<4>[ 63.834891] full_proxy_write+0x53/0x80 EFLAGS: 00010286 # [ 51.641994] RAX: 0000000000000000 RBX: 0<4>[ 63.845679] vfs_write+0xe7/0x3b0 00000000000002c RCX: 0000000000000000 # [ 51.656474] RDX: fff<4>[ 63.855884] ksys_write+0x68/0xf0 f8ab27acac620 RSI: ffff8ab27ac9bf50 RDI: ffff8ab27ac9bf50 # [ <4>[ 63.866091] do_syscall_64+0x30/0x40 51.664742] RBP: ffffffffb18d02f3 R08: 0000000000000000 R09: 000<4>[ 63.876589] entry_SYSCALL_64_after_hwframe+0x67/0xcc 0000000000000 # [ 51.679218] R10: 00000000ffffe000 R11: 3ffff<4>[ 63.888734] RIP: 0033:0x7f13a3424240 fffffffffff R12: 0000000000000016 # [ 51.687487] R13: ffff9b6<4>[ 63.899230] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89 e82acbf10 R14: ffff9b6e82acbf10 R15: ffff8ab20287b000 # [ 51.<4>[ 63.926720] RSP: 002b:00007ffdedb0d008 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 701964] FS: 00007fe862a0d740(0000) GS:ffff8ab27ac80000(0000) kn<4>[ 63.926723] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f13a3424240 <4>[ 63.926724] RDX: 0000000000000020 RSI: 00007f13a3308000 RDI: 0000000000000001 lGS:0000000000000000 # [ 51.711299] CS: 0010 DS: 0000 ES: 00<4>[ 63.926725] RBP: 0000000000000020 R08: 00000000ffffffff R09: 0000000000000000 <4>[ 63.926728] R10: 00007f13a33454d0 R11: 0000000000000202 R12: 00007f13a3308000 <4>[ 63.987161] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 00 CR0: 0000000080050033 # [ 51.724221] CR2: 00007fe8629ec000<4>[ 63.995434] irq event stamp: 0 CR3: 00000001061fe006 CR4: 00000000003706e0 # [ 51.732489] C<4>[ 64.005334] hardirqs last enabled at (0): [<0000000000000000>] 0x0 all Trace: # [ 51.741741] ? __warn+0x80/0x110 # [ 51.7518<4>[ 64.018842] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 32] ? refcount_warn_saturate+0x51/0x110 # [ 51.763500] ? re<4>[ 64.034485] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 port_bug+0x9e/0xc0 # [ 51.773906] ? handle_bug+0x41/0x90 # <4>[ 64.050128] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 51.784307] ? exc_invalid_op+0x14/0x70 # [ 51.795100] ? <4>[ 64.063633] ---[ end trace 8025eed8b81a5acd ]--- asm_exc_invalid_op+0x12/0x20 # [ 51.806284] ? refcount_warn_<6>[ 64.075297] lkdtm: Saturation detected: still saturated saturate+0x51/0x110 # [ 51.817947] ? refcount_warn_saturate+0x51/0x110 # [ 51.829638] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa7 # [ 51.841498] direct_entry.cold+0x2c/0x38 # [ 51.852418] full_proxy_write+0x53/0x80 # [ 51.863208] vfs_write+0xe7/0x3b0 # [ 51.873415] ksys_write+0x68/0xf0 # [ 51.883637] do_syscall_64+0x30/0x40 # [ 51.894136] entry_SYSCALL_64_after_hwframe+0x67/0xcc # [ 51.906286] RIP: 0033:0x7fe862b08240 # [ 51.916787] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89 # [ 51.944287] RSP: 002b:00007ffd6c4cd3e8 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 # [ 51.959257] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fe862b08240 # [ 51.973739] RDX: 0000000000000016 RSI: 00007fe8629ec000 RDI: 0000000000000001 # [ 51.982007] RBP: 0000000000000016 R08: 00000000ffffffff R09: 0000000000000000 # [ 51.996483] R10: 00007fe862a294d0 R11: 0000000000000202 R12: 00007fe8629ec000 # [ 52.004752] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 # [ 52.019233] irq event stamp: 0 # [ 52.029145] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 52.036441] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 52.052079] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 52.061512] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 52.075018] ---[ end trace 8025eed8b81a5abe ]--- # [ 52.086685] lkdtm: Overflow detected: saturated # REFCOUNT_ADD_OVERFLOW: saw 'call trace:': ok ok 43 selftests: lkdtm: REFCOUNT_ADD_OVERFLOW.sh # selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh # [ 52.223620] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW # [ 52.236657] lkdtm: attempting bad refcount_inc_not_zero() overflow # [ 52.243884] ------------[ cut here ]------------ # [ 52.249333] refcount_t: saturated; leaking memory. # [ 52.255008] WARNING: CPU: 2 PID: 2107 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 52.264732] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel i<6>[ 64.316204] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO ntel_pmc_core_pltdrv uvcvideo cros_ec_sysfs videobuf2_vmalloc cr<6>[ 64.324983] lkdtm: attempting good copy_to_user of correct size os_ec_lightbar cros_ec_sensorhub cros_ec_debugfs cros_usbpd_char<6>[ 64.338122] lkdtm: attempting bad copy_to_user of too large size ger videobuf2_memops cros_ec_chardev cros_usbpd_logger intel_pmc_core videobuf2_v4l2 iTCO_wdt snd_soc_da7219 bluetooth watchdog snd_soc_max98927 processor_thermal_device gsmi iwlmvm x86_pkg_temp_thermal cros_ec_dev intel_pmc_bxt ecdh_generic videobuf2_common iwlwifi idma64 snd_soc_core ecc intel_soc_dts_iosf snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify int3403_thermal int340x_thermal_zone pinctrl_sunrisepoint int3400_thermal acpi_thermal_rel cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 52.352456] CPU: 2 PID: 2107 Comm: cat Tainted: G D W 5.10.216-cip47 #1 # [ 52.361411] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 52.374723] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 52.380884] Code: 02 01 e8 32 70 c5 00 0f 0b c3 cc cc cc cc 80 3d 84 d1 f6 02 00 75 a8 48 c7 c7 40 aa 82 b1 c6 05 74 d1 f6 02 01 e8 0f 70 c5 00 <0f> 0b c3 cc cc cc cc 80 3d 5e d1 f6 02 00 75 85 48 c7 c7 98 aa 82 # [ 52.402163] RSP: 0018:ffff9b6e82b23e38 EFLAGS: 00010282 # [ 52.408295] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 # [ 52.416563] RDX: ffff8ab27ad2c620 RSI: ffff8ab27ad1bf50 RDI: ffff8ab27ad1bf50 # [ 52.424850] RBP: ffffffffb18cff30 R08: 0000000000000000 R09: 0000000000000000 # [ 52.433116] R10: 00000000ffffe000 R11: 3fffffffffffffff R1<6>[ 64.479961] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM <6>[ 64.489241] lkdtm: attempting good copy_from_user of correct size <6>[ 64.496365] lkdtm: attempting bad copy_from_user of too large size 2: 000000000000001f # [ 52.441381] R13: ffff9b6e82b23f10 R14: ffff9b6e82b23f10 R15: ffff8ab207f9e000 # [ 52.449649] FS: 00007ff4cd0ee740(0000) GS:ffff8ab27ad00000(0000) knlGS:0000000000000000 # [ 52.459029] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 52.465741] CR2: 00007ff4cd0cd000 CR3: 000000010750a001 CR4: 00000000003706e0 # [ 52.474009] Call Trace: # [ 52.477053] ? __warn+0x80/0x110 # [ 52.480960] ? refcount_warn_saturate+0x97/0x110 # [ 52.492637] ? report_bug+0x9e/0xc0 # [ 52.503036] ? handle_bug+0x41/0x90 # [ 52.507259] ? exc_invalid_op+0x14/0x70 # [ 52.518050] ? asm_exc_invalid_op+0x12/0x20 # [ 52.529252] ? refcount_warn_saturate+0x97/0x110 # [ 52.534710] ? refcount_warn_saturate+0x97/0x110 # [ 52.546371] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 52.552824] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x76 # [ 52.559344] direct_entry.cold+0x2c/0x38 # [ 52.564017] full_proxy_write+0x53/0x80 # [ 52.568647] vfs_write+0xe7/0x3b0 # [ 52.578869] ksys_write+0x68/0xf0 # [ 52.582869] do_syscall_64+0x30/0x40 # [ 52.593363] entry_SYSCALL_64_after_hwframe+0x67/0xcc # [ 52.599298] RIP: 0033:0x7ff4cd1e9240 # [ 52.603582] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89 # [ 52.624865] RSP: 002b:00007ffe71b<6>[ 64.640765] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO 970d8 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 # [ 52.6336<6>[ 64.654098] lkdtm: attempting good copy_to_user inside whitelist 37] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007ff4cd1<6>[ 64.667317] lkdtm: attempting bad copy_to_user outside whitelist e9240 # [ 52.648119] RDX: 000000000000001f RSI: 00007ff4cd0cd000 RDI: 0000000000000001 # [ 52.656384] RBP: 000000000000001f R08: 00000000ffffffff R09: 0000000000000000 # [ 52.664650] R10: 00007ff4cd10a4d0 R11: 0000000000000202 R12: 00007ff4cd0cd000 # [ 52.672916] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 # [ 52.681186] irq event stamp: 0 # [ 52.684911] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 52.698418] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 52.707850] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 52.717283] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 52.724576] ---[ end trace 8025eed8b81a5abf ]--- # [ 52.730025] lkdtm: Overflow detected: saturated # REFCOUNT_INC_NOT_ZERO_OVERFLOW: saw 'call trace:': ok ok 44 selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh # selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh # [ 52.869861] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW # [ 52.880107] lkdtm: attempting bad refcount_add_not_zero() overflow # [ 52.887313] ------------[ cut here ]------------ # [ 52.892772] refcount_t: saturated; leaking memory. # [ 52.898434] WARNING: CPU: 2 PID: 2140 at lib/refcount.c:19 refcount_warn_s<6>[ 64.806857] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM aturate+0x97/0x110 # [ 52.914361] Modules linked in: fuse ip_<6>[ 64.818745] lkdtm: attempting good copy_from_user inside whitelist tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core in<6>[ 64.832163] lkdtm: attempting bad copy_from_user outside whitelist dustrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel intel_pmc_core_pltdrv uvcvideo cros_ec_sysfs videobuf2_vmalloc cros_ec_lightbar cros_ec_sensorhub cros_ec_debugfs cros_usbpd_charger videobuf2_memops cros_ec_chardev cros_usbpd_logger intel_pmc_core videobuf2_v4l2 iTCO_wdt snd_soc_da7219 bluetooth watchdog snd_soc_max98927 processor_thermal_device gsmi iwlmvm x86_pkg_temp_thermal cros_ec_dev intel_pmc_bxt ecdh_generic videobuf2_common iwlwifi idma64 snd_soc_core ecc intel_soc_dts_iosf snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify int3403_thermal int340x_thermal_zone pinctrl_sunrisepoint int3400_thermal acpi_thermal_rel cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 53.002112] CPU: 2 PID: 2140 Comm: cat Tainted: G D W 5.10.216-cip47 #1 # [ 53.011066] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 53.024371] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 53.030523] Code: 02 01 e8 32 70 c5 00 0f 0b c3 cc cc cc cc 80 3d 84 d1 f6 02 00 75 a8 48 c7 c7 40 aa 82 b1 c6 05 74 d1 f6 02 01 e8 0f 70 c5 00 <0f> 0b c3 cc cc cc cc 80 3d 5e d1 f6 02 00 75 85 48 c7 c7 98 aa 82 # [ 53.051805] RSP: 0018:ffff9b6e82babe38 EFLAGS: 00010282 # [ 53.057960] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 # [ 53.066226] RDX: fff<6>[ 64.973399] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO <6>[ 64.983391] lkdtm: good_stack: ffff9b6e83673e20-ffff9b6e83673e40 f8ab27ad2c620 RSI: ffff8ab27ad1bf50 RDI: ffff8ab27ad1bf50 # [ <6>[ 64.990405] lkdtm: bad_stack : ffff9b6e83673da8-ffff9b6e83673dc8 <6>[ 65.003634] lkdtm: attempting good copy_to_user of local stack 53.074490] RBP: ffffffffb18cff50 R08: 0000000000000000 R09: 000<6>[ 65.010465] lkdtm: attempting bad copy_to_user of distant stack 0000000000000 # [ 53.082756] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 53.091021] R13: ffff9b6e82babf10 R14: ffff9b6e82babf10 R15: ffff8ab206326000 # [ 53.099288] FS: 00007f51533d3740(0000) GS:ffff8ab27ad00000(0000) knlGS:0000000000000000 # [ 53.108635] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 53.121555] CR2: 00007f51533b2000 CR3: 0000000106228002 CR4: 00000000003706e0 # [ 53.129822] Call Trace: # [ 53.132846] ? __warn+0x80/0x110 # [ 53.136772] ? refcount_warn_saturate+0x97/0x110 # [ 53.142247] ? report_bug+0x9e/0xc0 # [ 53.146437] ? handle_bug+0x41/0x90 # [ 53.150655] ? exc_invalid_op+0x14/0x70 # [ 53.155252] ? asm_exc_invalid_op+0x12/0x20 # [ 53.160244] ? refcount_warn_saturate+0x97/0x110 # [ 53.165723] ? refcount_warn_saturate+0x97/0x110 # [ 53.171177] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 53.183813] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x76 # [ 53.196548] direct_entry.cold+0x2c/0x38 # [ 53.201244] full_proxy_write+0x53/0x80 # [ 53.205825] vfs_write+0xe7/0x3b0 # [ 53.209840] ksys_write+0x68/0xf0 # [ 53.213858] do_syscall_64+0x30/0x40 # [ 53.218165] entry_SYSCALL_64_after_hwframe+0x67/0xcc # [ 53.224100] RIP: 0033:0x7f51534ce240 # [ 53.228409] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0<6>[ 65.159006] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 <6>[ 65.167829] lkdtm: good_stack: ffff9b6e83713e20-ffff9b6e83713e40 0f 1f 80 00 00 00 00 48 83 ec 28 48 89 # [ 53.249690] RSP: 00<6>[ 65.181042] lkdtm: bad_stack : ffff9b6e83713da8-ffff9b6e83713dc8 2b:00007ffc6efd9668 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 <6>[ 65.194269] lkdtm: attempting good copy_from_user of local stack # [ 53.258468] RAX: ffffffffffffffda RBX: 000000000000001f RC<6>[ 65.207495] lkdtm: attempting bad copy_from_user of distant stack X: 00007f51534ce240 # [ 53.266734] RDX: 000000000000001f RSI: 00007f51533b2000 RDI: 0000000000000001 # [ 53.275002] RBP: 000000000000001f R08: 00000000ffffffff R09: 0000000000000000 # [ 53.283269] R10: 00007f51533ef4d0 R11: 0000000000000202 R12: 00007f51533b2000 # [ 53.291535] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 # [ 53.299821] irq event stamp: 0 # [ 53.303527] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 53.317033] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 53.326489] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 53.335920] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 53.343215] ---[ end trace 8025eed8b81a5ac0 ]--- # [ 53.348678] lkdtm: Overflow detected: saturated # REFCOUNT_ADD_NOT_ZERO_OVERFLOW: saw 'call trace:': ok ok 45 selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh # selftests: lkdtm: REFCOUNT_DEC_ZERO.sh # [ 53.490163] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO # [ 53.497728] lkdtm: attempting good refcount_dec() # [ 53.509516] lkdtm: attempting bad refcount_dec() to zero # [ 53.521986] ------------[ cut here ]------------ # [ 53.533644] refcount_t: decrement hit 0; leaking memory. # [ 53.546176] WARNING: CPU: 0 PID: 2173 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ <6>[ 65.353306] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND 53.562039] Modules linked in: fuse ip_tables cros_ec_sensors c<6>[ 65.364578] lkdtm: good_stack: ffff9b6e837cbe20-ffff9b6e837cbe40 ros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buf<6>[ 65.377811] lkdtm: bad_stack : ffff9b6e837cbff8-ffff9b6e837cc018 fer kfifo_buf industrialio btusb btrtl btbcm btintel intel_pmc_c<6>[ 65.391102] lkdtm: attempting good copy_to_user of local stack ore_pltdrv uvcvideo cros_ec_sysfs videobuf2_vmalloc cros_ec_ligh<6>[ 65.404056] lkdtm: attempting bad copy_to_user of distant stack <4>[ 65.417168] lkdtm: copy_to_user failed, but lacked Oops tbar cros_ec_sensorhub cros_ec_debugfs cros_usbpd_charger videobuf2_memops cros_ec_chardev cros_usbpd_logger intel_pmc_core videobuf2_v4l2 iTCO_wdt snd_soc_da7219 bluetooth watchdog snd_soc_max98927 processor_thermal_device gsmi iwlmvm x86_pkg_temp_thermal cros_ec_dev intel_pmc_bxt ecdh_generic videobuf2_common iwlwifi idma64 snd_soc_core ecc intel_soc_dts_iosf snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify int3403_thermal int340x_thermal_zone pinctrl_sunrisepoint int3400_thermal acpi_thermal_rel cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 53.649863] CPU: 0 PID: 2173 Comm: cat Tainted: G D W 5.10.216-cip47 #1 # [ 53.665034] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 53.678342] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 53.690729] Code: f0 aa 82 b1 c6 05 25 d1 f6 02 01 e8 c5 6f c5 00 0f 0b c3 cc cc cc cc 48 c7 c7 c0 aa 82 b1 c6 05 0c d1 f6 02 01 e8 ab 6f c5 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 53.718239] RSP: 0018:ffff9b6e82c1be48 EFLAGS: 00010286 # [ 53.730553] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000 # [ 53.745075] RDX: ffff8ab27ac2c620 RSI: ffff8ab27ac1bf50 RDI: ffff8ab27ac1bf50 # [ 53.759571] RBP: ffffffffb18d0309 R08: 0000000000000000 R09: 0000000000000000 # [ 53.<6>[ 65.551761] lkdtm: Performing direct entry USERCOPY_KERNEL 774094] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000<6>[ 65.560324] lkdtm: attempting good copy_to_user from kernel rodata: ffffffffb1440b10 000000012 # [ 53.788601] R13: ffff9b6e82c1bf10 R14: ffff9b6e8<6>[ 65.575519] lkdtm: attempting bad copy_to_user from kernel text: ffffffffaece41c0 2c1bf10 R15: ffff8ab2069e2000 # [ 53.803092] FS: 00007f0f97d<3>[ 65.590352] lkdtm: FAIL: survived bad copy_to_user() 85740(0000) GS:ffff8ab27ac00000(0000) knlGS:0000000000000000 # [ 53.818651] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 53.831567] CR2: 00007f0f97d64000 CR3: 00000001026d0003 CR4: 00000000003706f0 # [ 53.846044] Call Trace: # [ 53.855308] ? __warn+0x80/0x110 # [ 53.865391] ? refcount_warn_saturate+0xfb/0x110 # [ 53.877066] ? report_bug+0x9e/0xc0 # [ 53.887462] ? handle_bug+0x41/0x90 # [ 53.897881] ? exc_invalid_op+0x14/0x70 # [ 53.908686] ? asm_exc_invalid_op+0x12/0x20 # [ 53.919895] ? refcount_warn_saturate+0xfb/0x110 # [ 53.931547] ? refcount_warn_saturate+0xfb/0x110 # [ 53.943270] lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xbd # [ 53.954678] direct_entry.cold+0x2c/0x38 # [ 53.965564] full_proxy_write+0x53/0x80 # [ 53.976346] vfs_write+0xe7/0x3b0 # [ 53.986553] ksys_write+0x68/0xf0 # [ 53.996771] do_syscall_64+0x30/0x40 # [ 54.007284] entry_SYSCALL_64_after_hwframe+0x67/0xcc # [ 54.019435] RIP: 0033:0x7f0f97e80240 # [ 54.029931] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89 # [ 54.057399] RSP: 002b:00007ffe7d6efe28 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 # [ 54.072412] RAX: ffffffffffffffd<6>[ 65.730486] lkdtm: Performing direct entry STACKLEAK_ERASING a RBX: 0000000000000012 RCX: 00007f0f97e80240 # [ 54.086914] <6>[ 65.739617] lkdtm: checking unused part of the thread stack (15928 bytes)... RDX: 0000000000000012 RSI: 00007f0f97d64000 RDI: 000000000000000<3>[ 65.754008] lkdtm: FAIL: the erased part is not found (checked 15928 bytes) 1 # [ 54.101403] RBP: 0000000000000012 R08: 00000000ffffffff <3>[ 65.768281] lkdtm: FAIL: the thread stack is NOT properly erased R09: 0000000000000000 # [ 54.115871] R10: 00007f0f97da14d0 R1<4>[ 65.781497] CPU: 1 PID: 2969 Comm: cat Tainted: G D W 5.10.216-cip47 #1 <4>[ 65.796650] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 65.803735] Call Trace: 1: 0000000000000202 R12: 00007f0f97d64000 # [ 54.130394] R13:<4>[ 65.806749] dump_stack+0x77/0x9b <4>[ 65.816949] lkdtm_STACKLEAK_ERASING+0x116/0x144 <4>[ 65.822393] direct_entry.cold+0x2c/0x38 <4>[ 65.827063] full_proxy_write+0x53/0x80 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 #<4>[ 65.831636] vfs_write+0xe7/0x3b0 <4>[ 65.841832] ksys_write+0x68/0xf0 <4>[ 65.845821] do_syscall_64+0x30/0x40 <4>[ 65.850102] entry_SYSCALL_64_after_hwframe+0x67/0xcc <4>[ 65.856022] RIP: 0033:0x7fed4adde240 <4>[ 65.860300] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89 <4>[ 65.881568] RSP: 002b:00007ffefda9e168 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 <4>[ 65.890314] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fed4adde240 <4>[ 65.898573] RDX: 0000000000000012 RSI: 00007fed4acc2000 RDI: 0000000000000001 <4>[ 65.906832] RBP: 0000000000000012 R08: 00000000ffffffff R09: 0000000000000000 <4>[ 65.915091] R10: 00007fed4acff4d0 R11: 0000000000000202 R12: 00007fed4acc2000 <4>[ 65.923349] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 [ 54.144905] irq event stamp: 0 # [ 54.154822] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 54.168321] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 54.183972] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 54.199652] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 54.213135] ---[ end trace 8025eed8b81a5ac1 ]--- # [ 54.224846] lkdtm: Zero detected: saturated # REFCOUNT_DEC_ZERO: saw 'call trace:': ok ok 46 selftests: lkdtm: REFCOUNT_DEC_ZERO.sh # selftests: lkdtm: REFCOUNT_DEC_NEGATIVE.sh # [ 54.351033] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE # [ 54.361073] lkdtm: attempting bad refcount_dec() below zero # [ 54.367619] ------------[ cut here ]------------ # [ 54.379284] refcount_t: decrement hit 0; leaking memory. # [ 54.391735] WARNING: CPU: 3 PID: 2209 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 54.407677] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel intel_pmc_core_pltdrv uvcvideo cros_ec_sysfs videobuf2_vmalloc cros_ec_lightbar cros_ec_sensorhub cros_ec_debugfs cros_usbpd_charger videobuf2_memops cros_ec_chardev cros_usbpd_logger intel_pmc_core videobuf2_v4l2 iTCO_wdt snd_soc_da7219 bluetooth watc<6>[ 66.063456] lkdtm: Performing direct entry CFI_FORWARD_PROTO <6>[ 66.074985] lkdtm: Calling matched prototype ... <6>[ 66.080443] lkdtm: Calling mismatched prototype ... hdog snd_soc_max98927 processor_thermal_device gsmi iwlmvm x86_p<6>[ 66.086192] lkdtm: Fail: survived mismatched prototype function call! kg_temp_thermal cros_ec_dev intel_pmc_bxt ecdh_generic videobuf2_common iwlwifi idma64 snd_soc_core ecc intel_soc_dts_iosf snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify int3403_thermal int340x_thermal_zone pinctrl_sunrisepoint int3400_thermal acpi_thermal_rel cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 54.495466] CPU: 3 PID: 2209 Comm: cat Tainted: G D W 5.10.216-cip47 #1 # [ 54.504418] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 54.517728] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 54.523887] Code: f0 aa 82 b1 c6 05 25 d1 f6 02 01 e8 c5 6f c5 00 0f 0b c3 cc cc cc cc 48 c7 c7 c0 aa 82 b1 c6 05 0c d1 f6 02 01 e8 ab 6f c5 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 54.545170] RSP: 0018:ffff9b6e82cc3e48 EFLAGS: 00010286 # [ 54.551301] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000 # [ 54.559567] RDX: ffff8ab27adac620 RSI: ffff8ab27ad9bf50 RDI: ffff8ab27ad9bf50 # [ 54.567832] RBP: ffffffffb18d031b R08: 0000000000000000 R09: 0000000000000000 # [ 54.576099] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 54.584364] R13: ffff9b6e82cc3f10 R14: ffff9b6e82cc3f10 R15: ffff8ab2075ad000 # [ 54.592637] FS: 00007f7711814740(0000) GS:ffff8ab27ad80000(0000) knlGS:0000000000000000 # [ 54.608177] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 54.614889] CR2: 00007f77117f3000 CR3: 00000001038e0003 CR4: 00000000003706e0 # [ 54.623155] Call Trace: # [ 54.626181] ? __warn+0x80/0x110 # [ 54.630102] ? refcount_warn_saturate+0xfb/0x110 # [ 54.641764] ? report_bug+0x9e/0xc0 # [ 54.645952] ? handle_bug+0x41/0x90 # [ 54.650168] ? exc_invalid_op+0x14/0x70 # [ 54.654744] ? asm_exc_invalid_op+0x12/0x20 # [ 54.659712] ? refcount_warn_saturate+0xfb/0x110 # [ 54.665194] ? refcount_warn_saturate+0xfb/0x110 # [ 54.676859] lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x61 # [ 54.688719] direct_entry.cold+0x2c/0x38 # [ 54.693393] full_proxy_write+0x53/0x80 # [ 54.698001] vfs_write+0xe7/0x3b0 # [ 54.702025] ksys_write+0x68/0xf0 # [ 54.706019] do_syscall_64+0x30/0x40 # [ 54.710329] entry_SYSCALL_64_after_hwframe+0x67/0xcc # [ 54.716263] RIP: 0033:0x7f771190f240 # [ 54.720547] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89 # [ 54.741831] RSP: 002b:00007fffecb0b018 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 # [ 54.750583] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f771190f240 # [ 54.758850] RDX: 0000000000000016 RSI: 00007f77117f3000 RDI: 0000000000000001 # [ 54.767116] RBP: 0000000000000016 R08: 00000000ffffffff R09: 0000000000000000 # [ 54.775382] R10: 00007f77118304d0 R11: 0000000000000202 R12: 00007f77117f3000 # [ 54.783648] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 # [ 54.791918] irq event stamp: 0 # [ 54.795648] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 54.802943] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 54.812376] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 54.821807] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 54.829102] ---[ end trace 8025eed8b81a5ac2 ]--- # [ 54.834551] lkdtm: Negative detected: saturated # REFCOUNT_DEC_NEGATIVE: saw 'Negative detected: saturated': ok ok 47 selftests: lkdtm: REFCOUNT_DEC_NEGATIVE.sh # selftests: lkdtm: REFCOUNT_DEC_AND_TEST_NEGATIVE.sh # [ 54.976058] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE # [ 54.984544] lkdtm: attempting bad refcount_dec_and_test() below zero # [ 54.991947] ------------[ cut here ]------------ # [ 54.997402] refcount_t: underflow; use-after-free. # [ 55.003057] WARNING: CPU: 3 PID: 2245 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 55.012786] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel intel_pmc_core_pltdrv uvcvideo cros_ec_sysfs videobuf2_vmalloc cros_ec_lightbar cros_ec_sensorhub cros_ec_debugfs cros_usbpd_charger videobuf2_memops cros_ec_chardev cros_usbpd_logger intel_pmc_core videobuf2_v4l2 iTCO_wdt snd_soc_da7219 bluetooth watchdog snd_soc_max98927 processor_thermal_device gsmi iwlmvm x86_pkg_temp_thermal cros_ec_dev intel_pmc_bxt ecdh_generic videobuf2_common iwlwifi idma64 snd_soc_core ecc intel_soc_dts_iosf snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify int3403_thermal int340x_thermal_zone pinctrl_sunrisepoint int3400_thermal acpi_thermal_rel cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 55.100544] CPU: 3 PID: 2245 Comm: cat Tainted: G D W 5.10.216-cip47 #1 # [ 55.109517] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 55.122830] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 55.128962] Code: 02 01 e8 0f 70 c5 00 0f 0b c3 cc cc cc cc 80 3d 5e d1 f6 02 00 75 85 48 c7 c7 98 aa 82 b1 c6 05 4e d1 f6 02 01 e8 ec 6f c5 00 <0f> 0b c3 cc cc cc cc 80 3d 39 d1 f6 02 00 0f 85 5e ff ff ff 48 c7 # [ 55.150268] RSP: 0018:ffff9b6e82d53e40 EFLAGS: 00010286 # [ 55.156422] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000 # [ 55.164690] RDX: ffff8ab27adac620 RSI: ffff8ab27ad9bf50 RDI: ffff8ab27ad9bf50 # [ 55.172981] RBP: ffffffffb18cff70 R08: 0000000000000000 R09: 0000000000000000 # [ 55.181247] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 55.189513] R13: ffff9b6e82d53f10 R14: ffff9b6e82d53f10 R15: ffff8ab203c6a000 # [ 55.197781] FS: 00007f850e4c2740(0000) GS:ffff8ab27ad80000(0000) knlGS:0000000000000000 # [ 55.207117] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 55.213829] CR2: 00007f850e4a1000 CR3: 00000001028d8005 CR4: 00000000003706e0 # [ 55.222095] Call Trace: # [ 55.225139] ? __warn+0x80/0x110 # [ 55.229048] ? refcount_warn_saturate+0xba/0x110 # [ 55.240702] ? report_bug+0x9e/0xc0 # [ 55.244917] ? handle_bug+0x41/0x90 # [ 55.249129] ? exc_invalid_op+0x14/0x70 # [ 55.259920] ? asm_exc_invalid_op+0x12/0x20 # [ 55.271101] ? refcount_warn_saturate+0xba/0x110 # [ 55.282767] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 55.289219] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x78 # [ 55.295738] direct_entry.cold+0x2c/0x38 # [ 55.300436] full_proxy_write+0x53/0x80 # [ 55.305033] vfs_write+0xe7/0x3b0 # [ 55.309050] ksys_write+0x68/0xf0 # [ 55.313042] do_syscall_64+0x30/0x40 # [ 55.317351] entry_SYSCALL_64_after_hwframe+0x67/0xcc # [ 55.323297] RIP: 0033:0x7f850e5bd240 # [ 55.333787] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89 # [ 55.355065] RSP: 002b:00007ffe946e4db8 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 # [ 55.363818] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f850e5bd240 # [ 55.372085] RDX: 000000000000001f RSI: 00007f850e4a1000 RDI: 0000000000000001 # [ 55.380349] RBP: 000000000000001f R08: 00000000ffffffff R09: 0000000000000000 # [ 55.388634] R10: 00007f850e4de4d0 R11: 0000000000000202 R12: 00007f850e4a1000 # [ 55.403115] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 # [ 55.411385] irq event stamp: 0 # [ 55.415113] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 55.422407] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 55.431839] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 55.441269] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 55.448563] ---[ end trace 8025eed8b81a5ac3 ]--- # [ 55.454012] lkdtm: Negative detected: saturated # REFCOUNT_DEC_AND_TEST_NEGATIVE: saw 'Negative detected: saturated': ok ok 48 selftests: lkdtm: REFCOUNT_DEC_AND_TEST_NEGATIVE.sh # selftests: lkdtm: REFCOUNT_SUB_AND_TEST_NEGATIVE.sh # [ 55.581577] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE # [ 55.591593] lkdtm: attempting bad refcount_sub_and_test() below zero # [ 55.605226] ------------[ cut here ]------------ # [ 55.616861] refcount_t: underflow; use-after-free. # [ 55.628736] WARNING: CPU: 1 PID: 2281 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 55.644680] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel intel_pmc_core_pltdrv uvcvideo cros_ec_sysfs videobuf2_vmalloc cros_ec_lightbar cros_ec_sensorhub cros_ec_debugfs cros_usbpd_charger videobuf2_memops cros_ec_chardev cros_usbpd_logger intel_pmc_core videobuf2_v4l2 iTCO_wdt snd_soc_da7219 bluetooth watchdog snd_soc_max98927 processor_thermal_device gsmi iwlmvm x86_pkg_temp_thermal cros_ec_dev intel_pmc_bxt ecdh_generic videobuf2_common iwlwifi idma64 snd_soc_core ecc intel_soc_dts_iosf snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify int3403_thermal int340x_thermal_zone pinctrl_sunrisepoint int3400_thermal acpi_thermal_rel cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 55.732451] CPU: 1 PID: 2281 Comm: cat Tainted: G D W 5.10.216-cip47 #1 # [ 55.747585] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 55.760896] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 55.773241] Code: 02 01 e8 0f 70 c5 00 0f 0b c3 cc cc cc cc 80 3d 5e d1 f6 02 00 75 85 48 c7 c7 98 aa 82 b1 c6 05 4e d1 f6 02 01 e8 ec 6f c5 00 <0f> 0b c3 cc cc cc cc 80 3d 39 d1 f6 02 00 0f 85 5e ff ff ff 48 c7 # [ 55.800733] RSP: 0018:ffff9b6e82dd3e40 EFLAGS: 00010286 # [ 55.813077] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000 # [ 55.827557] RDX: ffff8ab27acac620 RSI: ffff8ab27ac9bf50 RDI: ffff8ab27ac9bf50 # [ 55.842039] RBP: ffffffffb18cff90 R08: 0000000000000000 R09: 0000000000000000 # [ 55.856523] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 55.871005] R13: ffff9b6e82dd3f10 R14: ffff9b6e82dd3f10 R15: ffff8ab2086b3000 # [ 55.885489] FS: 00007fa1bb1d4740(0000) GS:ffff8ab27ac80000(0000) knlGS:0000000000000000 # [ 55.901039] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 55.913968] CR2: 00007fa1bb1b3000 CR3: 00000001088f6006 CR4: 00000000003706e0 # [ 55.928451] Call Trace: # [ 55.937712] ? __warn+0x80/0x110 # [ 55.947804] ? refcount_warn_saturate+0xba/0x110 # [ 55.959468] ? report_bug+0x9e/0xc0 # [ 55.969871] ? handle_bug+0x41/0x90 # [ 55.980271] ? exc_invalid_op+0x14/0x70 # [ 55.991064] ? asm_exc_invalid_op+0x12/0x20 # [ 56.002264] ? refcount_warn_saturate+0xba/0x110 # [ 56.013909] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 56.026546] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x7b # [ 56.039277] direct_entry.cold+0x2c/0x38 # [ 56.050168] full_proxy_write+0x53/0x80 # [ 56.060958] vfs_write+0xe7/0x3b0 # [ 56.071166] ksys_write+0x68/0xf0 # [ 56.081378] do_syscall_64+0x30/0x40 # [ 56.091877] entry_SYSCALL_64_after_hwframe+0x67/0xcc # [ 56.104029] RIP: 0033:0x7fa1bb2cf240 # [ 56.114529] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89 # [ 56.142024] RSP: 002b:00007ffebbd81cb8 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 # [ 56.156993] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fa1bb2cf240 # [ 56.171481] RDX: 000000000000001f RSI: 00007fa1bb1b3000 RDI: 0000000000000001 # [ 56.185961] RBP: 000000000000001f R08: 00000000ffffffff R09: 0000000000000000 # [ 56.200441] R10: 00007fa1bb1f04d0 R11: 0000000000000202 R12: 00007fa1bb1b3000 # [ 56.208708] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 # [ 56.223205] irq event stamp: 0 # [ 56.233101] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 56.246641] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 56.262283] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 56.277929] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 56.285249] ---[ end trace 8025eed8b81a5ac4 ]--- # [ 56.296910] lkdtm: Negative detected: saturated # REFCOUNT_SUB_AND_TEST_NEGATIVE: saw 'Negative detected: saturated': ok ok 49 selftests: lkdtm: REFCOUNT_SUB_AND_TEST_NEGATIVE.sh # selftests: lkdtm: REFCOUNT_INC_ZERO.sh # [ 56.461091] lkdtm: Performing direct entry REFCOUNT_INC_ZERO # [ 56.470600] lkdtm: attempting safe refcount_inc_not_zero() from zero # [ 56.484206] lkdtm: Good: zero detected # [ 56.494896] lkdtm: Correctly stayed at zero # [ 56.499860] lkdtm: attempting bad refcount_inc() from zero # [ 56.512491] ------------[ cut here ]------------ # [ 56.524161] refcount_t: addition on 0; use-after-free. # [ 56.536439] WARNING: CPU: 1 PID: 2314 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 # [ 56.552347] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel intel_pmc_core_pltdrv uvcvideo cros_ec_sysfs videobuf2_vmalloc cros_ec_lightbar cros_ec_sensorhub cros_ec_debugfs cros_usbpd_charger videobuf2_memops cros_ec_chardev cros_usbpd_logger intel_pmc_core videobuf2_v4l2 iTCO_wdt snd_soc_da7219 bluetooth watchdog snd_soc_max98927 processor_thermal_device gsmi iwlmvm x86_pkg_temp_thermal cros_ec_dev intel_pmc_bxt ecdh_generic videobuf2_common iwlwifi idma64 snd_soc_core ecc intel_soc_dts_iosf snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify int3403_thermal int340x_thermal_zone pinctrl_sunrisepoint int3400_thermal acpi_thermal_rel cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 56.640072] CPU: 1 PID: 2314 Comm: cat Tainted: G D W 5.10.216-cip47 #1 # [ 56.655229] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 56.668550] RIP: 0010:refcount_warn_saturate+0x74/0x110 # [ 56.680896] Code: 02 01 e8 55 70 c5 00 0f 0b c3 cc cc cc cc 80 3d a5 d1 f6 02 00 75 cb 48 c7 c7 68 aa 82 b1 c6 05 95 d1 f6 02 01 e8 32 70 c5 00 <0f> 0b c3 cc cc cc cc 80 3d 84 d1 f6 02 00 75 a8 48 c7 c7 40 aa 82 # [ 56.708394] RSP: 0018:ffff9b6e82e6be48 EFLAGS: 00010286 # [ 56.720739] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000 # [ 56.735223] RDX: ffff8ab27acac620 RSI: ffff8ab27ac9bf50 RDI: ffff8ab27ac9bf50 # [ 56.749709] RBP: ffffffffb18d0331 R08: 0000000000000000 R09: 0000000000000000 # [ 56.764188] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 56.778687] R13: ffff9b6e82e6bf10 R14: ffff9b6e82e6bf10 R15: ffff8ab208897000 # [ 56.793167] FS: 00007f1108e78740(0000) GS:ffff8ab27ac80000(0000) knlGS:0000000000000000 # [ 56.802526] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 56.815428] CR2: 00007f1108e57000 CR3: 00000001075ae002 CR4: 00000000003706e0 # [ 56.829909] Call Trace: # [ 56.832955] ? __warn+0x80/0x110 # [ 56.843039] ? refcount_warn_saturate+0x74/0x110 # [ 56.854706] ? report_bug+0x9e/0xc0 # [ 56.865111] ? handle_bug+0x41/0x90 # [ 56.875513] ? exc_invalid_op+0x14/0x70 # [ 56.886305] ? asm_exc_invalid_op+0x12/0x20 # [ 56.897491] ? refcount_warn_saturate+0x74/0x110 # [ 56.909154] ? refcount_warn_saturate+0x74/0x110 # [ 56.920818] lkdtm_REFCOUNT_INC_ZERO+0x99/0xc1 # [ 56.932292] direct_entry.cold+0x2c/0x38 # [ 56.943182] full_proxy_write+0x53/0x80 # [ 56.953975] vfs_write+0xe7/0x3b0 # [ 56.964183] ksys_write+0x68/0xf0 # [ 56.974393] do_syscall_64+0x30/0x40 # [ 56.984893] entry_SYSCALL_64_after_hwframe+0x67/0xcc # [ 56.997047] RIP: 0033:0x7f1108f73240 # [ 57.007547] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89 # [ 57.035050] RSP: 002b:00007ffffe27ee08 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 # [ 57.050022] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f1108f73240 # [ 57.064505] RDX: 0000000000000012 RSI: 00007f1108e57000 RDI: 0000000000000001 # [ 57.078989] RBP: 0000000000000012 R08: 00000000ffffffff R09: 0000000000000000 # [ 57.093473] R10: 00007f1108e944d0 R11: 0000000000000202 R12: 00007f1108e57000 # [ 57.102227] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 # [ 57.110501] irq event stamp: 0 # [ 57.120414] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 57.127712] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 57.139082] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 57.148513] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 57.162018] ---[ end trace 8025eed8b81a5ac5 ]--- # [ 57.169215] lkdtm: Zero detected: saturated # REFCOUNT_INC_ZERO: saw 'call trace:': ok ok 50 selftests: lkdtm: REFCOUNT_INC_ZERO.sh # selftests: lkdtm: REFCOUNT_ADD_ZERO.sh # [ 57.295132] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO # [ 57.305479] lkdtm: attempting safe refcount_add_not_zero() from zero # [ 57.319108] lkdtm: Good: zero detected # [ 57.329774] lkdtm: Correctly stayed at zero # [ 57.334739] lkdtm: attempting bad refcount_add() from zero # [ 57.347371] ------------[ cut here ]------------ # [ 57.359035] refcount_t: addition on 0; use-after-free. # [ 57.365099] WARNING: CPU: 1 PID: 2347 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 # [ 57.381003] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel intel_pmc_core_pltdrv uvcvideo cros_ec_sysfs videobuf2_vmalloc cros_ec_lightbar cros_ec_sensorhub cros_ec_debugfs cros_usbpd_charger videobuf2_memops cros_ec_chardev cros_usbpd_logger intel_pmc_core videobuf2_v4l2 iTCO_wdt snd_soc_da7219 bluetooth watchdog snd_soc_max98927 processor_thermal_device gsmi iwlmvm x86_pkg_temp_thermal cros_ec_dev intel_pmc_bxt ecdh_generic videobuf2_common iwlwifi idma64 snd_soc_core ecc intel_soc_dts_iosf snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify int3403_thermal int340x_thermal_zone pinctrl_sunrisepoint int3400_thermal acpi_thermal_rel cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 57.468750] CPU: 1 PID: 2347 Comm: cat Tainted: G D W 5.10.216-cip47 #1 # [ 57.483885] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 57.490989] RIP: 0010:refcount_warn_saturate+0x74/0x110 # [ 57.503353] Code: 02 01 e8 55 70 c5 00 0f 0b c3 cc cc cc cc 80 3d a5 d1 f6 02 00 75 cb 48 c7 c7 68 aa 82 b1 c6 05 95 d1 f6 02 01 e8 32 70 c5 00 <0f> 0b c3 cc cc cc cc 80 3d 84 d1 f6 02 00 75 a8 48 c7 c7 40 aa 82 # [ 57.530825] RSP: 0018:ffff9b6e82eb3e48 EFLAGS: 00010286 # [ 57.543166] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000 # [ 57.557646] RDX: ffff8ab27acac620 RSI: ffff8ab27ac9bf50 RDI: ffff8ab27ac9bf50 # [ 57.572127] RBP: ffffffffb18d0343 R08: 0000000000000000 R09: 0000000000000000 # [ 57.580393] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 57.594867] R13: ffff9b6e82eb3f10 R14: ffff9b6e82eb3f10 R15: ffff8ab2088d1000 # [ 57.603136] FS: 00007fd06c8a4740(0000) GS:ffff8ab27ac80000(0000) knlGS:0000000000000000 # [ 57.618684] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 57.625396] CR2: 00007fd06c883000 CR3: 0000000102978003 CR4: 00000000003706e0 # [ 57.639870] Call Trace: # [ 57.642915] ? __warn+0x80/0x110 # [ 57.653001] ? refcount_warn_saturate+0x74/0x110 # [ 57.664686] ? report_bug+0x9e/0xc0 # [ 57.675091] ? handle_bug+0x41/0x90 # [ 57.685491] ? exc_invalid_op+0x14/0x70 # [ 57.696284] ? asm_exc_invalid_op+0x12/0x20 # [ 57.707468] ? refcount_warn_saturate+0x74/0x110 # [ 57.719130] ? refcount_warn_saturate+0x74/0x110 # [ 57.730798] lkdtm_REFCOUNT_ADD_ZERO+0x99/0xc1 # [ 57.742268] direct_entry.cold+0x2c/0x38 # [ 57.753156] full_proxy_write+0x53/0x80 # [ 57.763945] vfs_write+0xe7/0x3b0 # [ 57.774152] ksys_write+0x68/0xf0 # [ 57.784363] do_syscall_64+0x30/0x40 # [ 57.794865] entry_SYSCALL_64_after_hwframe+0x67/0xcc # [ 57.807017] RIP: 0033:0x7fd06c99f240 # [ 57.817517] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89 # [ 57.845013] RSP: 002b:00007ffe06d1b448 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 # [ 57.859982] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fd06c99f240 # [ 57.868250] RDX: 0000000000000012 RSI: 00007fd06c883000 RDI: 0000000000000001 # [ 57.882724] RBP: 0000000000000012 R08: 00000000ffffffff R09: 0000000000000000 # [ 57.890992] R10: 00007fd06c8c04d0 R11: 0000000000000202 R12: 00007fd06c883000 # [ 57.905465] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 # [ 57.913751] irq event stamp: 0 # [ 57.923641] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 57.937150] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 57.952796] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 57.968442] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 57.975736] ---[ end trace 8025eed8b81a5ac6 ]--- # [ 57.987393] lkdtm: Zero detected: saturated # REFCOUNT_ADD_ZERO: saw 'call trace:': ok ok 51 selftests: lkdtm: REFCOUNT_ADD_ZERO.sh # selftests: lkdtm: REFCOUNT_INC_SATURATED.sh # [ 58.124208] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED # [ 58.136213] lkdtm: attempting bad refcount_inc() from saturated # [ 58.149343] ------------[ cut here ]------------ # [ 58.161010] refcount_t: saturated; leaking memory. # [ 58.172909] WARNING: CPU: 0 PID: 2383 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 58.188912] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel intel_pmc_core_pltdrv uvcvideo cros_ec_sysfs videobuf2_vmalloc cros_ec_lightbar cros_ec_sensorhub cros_ec_debugfs cros_usbpd_charger videobuf2_memops cros_ec_chardev cros_usbpd_logger intel_pmc_core videobuf2_v4l2 iTCO_wdt snd_soc_da7219 bluetooth watchdog snd_soc_max98927 processor_thermal_device gsmi iwlmvm x86_pkg_temp_thermal cros_ec_dev intel_pmc_bxt ecdh_generic videobuf2_common iwlwifi idma64 snd_soc_core ecc intel_soc_dts_iosf snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify int3403_thermal int340x_thermal_zone pinctrl_sunrisepoint int3400_thermal acpi_thermal_rel cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 58.276530] CPU: 0 PID: 2383 Comm: cat Tainted: G D W 5.10.216-cip47 #1 # [ 58.291815] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 58.305105] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 58.317451] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d c9 d1 f6 02 00 75 ee 48 c7 c7 40 aa 82 b1 c6 05 b9 d1 f6 02 01 e8 55 70 c5 00 <0f> 0b c3 cc cc cc cc 80 3d a5 d1 f6 02 00 75 cb 48 c7 c7 68 aa 82 # [ 58.344965] RSP: 0018:ffff9b6e82f53e48 EFLAGS: 00010286 # [ 58.357294] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000 # [ 58.371835] RDX: ffff8ab27ac2c620 RSI: ffff8ab27ac1bf50 RDI: ffff8ab27ac1bf50 # [ 58.386281] RBP: ffffffffb18d0355 R08: 0000000000000000 R09: 0000000000000000 # [ 58.400786] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 58.415263] R13: ffff9b6e82f53f10 R14: ffff9b6e82f53f10 R15: ffff8ab206a47000 # [ 58.429770] FS: 00007f6957fc9740(0000) GS:ffff8ab27ac00000(0000) knlGS:0000000000000000 # [ 58.445309] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 58.458269] CR2: 00007f6957fa8000 CR3: 000000010754a004 CR4: 00000000003706f0 # [ 58.472747] Call Trace: # [ 58.481993] ? __warn+0x80/0x110 # [ 58.492092] ? refcount_warn_saturate+0x51/0x110 # [ 58.503763] ? report_bug+0x9e/0xc0 # [ 58.514158] ? handle_bug+0x41/0x90 # [ 58.524568] ? exc_invalid_op+0x14/0x70 # [ 58.535352] ? asm_exc_invalid_op+0x12/0x20 # [ 58.546560] ? refcount_warn_saturate+0x51/0x110 # [ 58.558210] ? refcount_warn_saturate+0x51/0x110 # [ 58.569961] lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x64 # [ 58.581868] direct_entry.cold+0x2c/0x38 # [ 58.592827] full_proxy_write+0x53/0x80 # [ 58.603626] vfs_write+0xe7/0x3b0 # [ 58.613851] ksys_write+0x68/0xf0 # [ 58.624130] do_syscall_64+0x30/0x40 # [ 58.634593] entry_SYSCALL_64_after_hwframe+0x67/0xcc # [ 58.646717] RIP: 0033:0x7f69580c4240 # [ 58.657225] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89 # [ 58.684706] RSP: 002b:00007ffe850f7778 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 # [ 58.699675] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f69580c4240 # [ 58.714165] RDX: 0000000000000017 RSI: 00007f6957fa8000 RDI: 0000000000000001 # [ 58.728615] RBP: 0000000000000017 R08: 00000000ffffffff R09: 0000000000000000 # [ 58.743098] R10: 00007f6957fe54d0 R11: 0000000000000202 R12: 00007f6957fa8000 # [ 58.757569] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 # [ 58.772061] irq event stamp: 0 # [ 58.781963] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 58.795474] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 58.811109] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 58.826755] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 58.840280] ---[ end trace 8025eed8b81a5ac7 ]--- # [ 58.851944] lkdtm: Saturation detected: still saturated # REFCOUNT_INC_SATURATED: saw 'Saturation detected: still saturated': ok ok 52 selftests: lkdtm: REFCOUNT_INC_SATURATED.sh # selftests: lkdtm: REFCOUNT_DEC_SATURATED.sh # [ 59.011358] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED # [ 59.020848] lkdtm: attempting bad refcount_dec() from saturated # [ 59.033963] ------------[ cut here ]------------ # [ 59.045647] refcount_t: decrement hit 0; leaking memory. # [ 59.058176] WARNING: CPU: 0 PID: 2419 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 59.074050] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel intel_pmc_core_pltdrv uvcvideo cros_ec_sysfs videobuf2_vmalloc cros_ec_lightbar cros_ec_sensorhub cros_ec_debugfs cros_usbpd_charger videobuf2_memops cros_ec_chardev cros_usbpd_logger intel_pmc_core videobuf2_v4l2 iTCO_wdt snd_soc_da7219 bluetooth watchdog snd_soc_max98927 processor_thermal_device gsmi iwlmvm x86_pkg_temp_thermal cros_ec_dev intel_pmc_bxt ecdh_generic videobuf2_common iwlwifi idma64 snd_soc_core ecc intel_soc_dts_iosf snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify int3403_thermal int340x_thermal_zone pinctrl_sunrisepoint int3400_thermal acpi_thermal_rel cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 59.161842] CPU: 0 PID: 2419 Comm: cat Tainted: G D W 5.10.216-cip47 #1 # [ 59.176980] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 59.190295] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 59.202607] Code: f0 aa 82 b1 c6 05 25 d1 f6 02 01 e8 c5 6f c5 00 0f 0b c3 cc cc cc cc 48 c7 c7 c0 aa 82 b1 c6 05 0c d1 f6 02 01 e8 ab 6f c5 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 59.230096] RSP: 0018:ffff9b6e83013e48 EFLAGS: 00010286 # [ 59.242465] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000 # [ 59.256955] RDX: ffff8ab27ac2c620 RSI: ffff8ab27ac1bf50 RDI: ffff8ab27ac1bf50 # [ 59.271460] RBP: ffffffffb18d036c R08: 0000000000000000 R09: 0000000000000000 # [ 59.285966] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 59.300465] R13: ffff9b6e83013f10 R14: ffff9b6e83013f10 R15: ffff8ab2063c5000 # [ 59.314974] FS: 00007f06b1748740(0000) GS:ffff8ab27ac00000(0000) knlGS:0000000000000000 # [ 59.330506] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 59.343488] CR2: 00007f06b1727000 CR3: 0000000106aa6003 CR4: 00000000003706f0 # [ 59.357991] Call Trace: # [ 59.367267] ? __warn+0x80/0x110 # [ 59.377354] ? refcount_warn_saturate+0xfb/0x110 # [ 59.389042] ? report_bug+0x9e/0xc0 # [ 59.399476] ? handle_bug+0x41/0x90 # [ 59.409882] ? exc_invalid_op+0x14/0x70 # [ 59.420646] ? asm_exc_invalid_op+0x12/0x20 # [ 59.431833] ? refcount_warn_saturate+0xfb/0x110 # [ 59.443491] ? refcount_warn_saturate+0xfb/0x110 # [ 59.455209] lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5f # [ 59.467175] direct_entry.cold+0x2c/0x38 # [ 59.478031] full_proxy_write+0x53/0x80 # [ 59.488838] vfs_write+0xe7/0x3b0 # [ 59.499047] ksys_write+0x68/0xf0 # [ 59.509278] do_syscall_64+0x30/0x40 # [ 59.519769] entry_SYSCALL_64_after_hwframe+0x67/0xcc # [ 59.531941] RIP: 0033:0x7f06b1843240 # [ 59.542419] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89 # [ 59.569992] RSP: 002b:00007ffc7772d058 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 # [ 59.584945] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f06b1843240 # [ 59.599478] RDX: 0000000000000017 RSI: 00007f06b1727000 RDI: 0000000000000001 # [ 59.613928] RBP: 0000000000000017 R08: 00000000ffffffff R09: 0000000000000000 # [ 59.628420] R10: 00007f06b17644d0 R11: 0000000000000202 R12: 00007f06b1727000 # [ 59.642896] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 # [ 59.657402] irq event stamp: 0 # [ 59.667348] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 59.680833] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 59.696482] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 59.712189] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 59.725710] ---[ end trace 8025eed8b81a5ac8 ]--- # [ 59.737337] lkdtm: Saturation detected: still saturated # REFCOUNT_DEC_SATURATED: saw 'Saturation detected: still saturated': ok ok 53 selftests: lkdtm: REFCOUNT_DEC_SATURATED.sh # selftests: lkdtm: REFCOUNT_ADD_SATURATED.sh # [ 59.892586] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED # [ 59.905897] lkdtm: attempting bad refcount_dec() from saturated # [ 59.919016] ------------[ cut here ]------------ # [ 59.930687] refcount_t: saturated; leaking memory. # [ 59.936362] WARNING: CPU: 1 PID: 2455 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 59.952263] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel intel_pmc_core_pltdrv uvcvideo cros_ec_sysfs videobuf2_vmalloc cros_ec_lightbar cros_ec_sensorhub cros_ec_debugfs cros_usbpd_charger videobuf2_memops cros_ec_chardev cros_usbpd_logger intel_pmc_core videobuf2_v4l2 iTCO_wdt snd_soc_da7219 bluetooth watchdog snd_soc_max98927 processor_thermal_device gsmi iwlmvm x86_pkg_temp_thermal cros_ec_dev intel_pmc_bxt ecdh_generic videobuf2_common iwlwifi idma64 snd_soc_core ecc intel_soc_dts_iosf snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify int3403_thermal int340x_thermal_zone pinctrl_sunrisepoint int3400_thermal acpi_thermal_rel cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 60.039972] CPU: 1 PID: 2455 Comm: cat Tainted: G D W 5.10.216-cip47 #1 # [ 60.055132] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 60.068451] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 60.080794] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d c9 d1 f6 02 00 75 ee 48 c7 c7 40 aa 82 b1 c6 05 b9 d1 f6 02 01 e8 55 70 c5 00 <0f> 0b c3 cc cc cc cc 80 3d a5 d1 f6 02 00 75 cb 48 c7 c7 68 aa 82 # [ 60.108289] RSP: 0018:ffff9b6e8308be48 EFLAGS: 00010286 # [ 60.120636] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000 # [ 60.135141] RDX: ffff8ab27acac620 RSI: ffff8ab27ac9bf50 RDI: ffff8ab27ac9bf50 # [ 60.149623] RBP: ffffffffb18d0383 R08: 0000000000000000 R09: 0000000000000000 # [ 60.164105] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 60.172371] R13: ffff9b6e8308bf10 R14: ffff9b6e8308bf10 R15: ffff8ab202722000 # [ 60.186845] FS: 00007f34e3287740(0000) GS:ffff8ab27ac80000(0000) knlGS:0000000000000000 # [ 60.196179] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 60.209098] CR2: 00007f34e3266000 CR3: 0000000102a40005 CR4: 00000000003706e0 # [ 60.217364] Call Trace: # [ 60.226618] ? __warn+0x80/0x110 # [ 60.236703] ? refcount_warn_saturate+0x51/0x110 # [ 60.242155] ? report_bug+0x9e/0xc0 # [ 60.252552] ? handle_bug+0x41/0x90 # [ 60.262951] ? exc_invalid_op+0x14/0x70 # [ 60.273740] ? asm_exc_invalid_op+0x12/0x20 # [ 60.284922] ? refcount_warn_saturate+0x51/0x110 # [ 60.296583] ? refcount_warn_saturate+0x51/0x110 # [ 60.308249] lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x64 # [ 60.320206] direct_entry.cold+0x2c/0x38 # [ 60.331092] full_proxy_write+0x53/0x80 # [ 60.341907] vfs_write+0xe7/0x3b0 # [ 60.352115] ksys_write+0x68/0xf0 # [ 60.356113] do_syscall_64+0x30/0x40 # [ 60.366612] entry_SYSCALL_64_after_hwframe+0x67/0xcc # [ 60.378762] RIP: 0033:0x7f34e3382240 # [ 60.389262] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89 # [ 60.416759] RSP: 002b:00007ffc4f53c4a8 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 # [ 60.430076] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f34e3382240 # [ 60.444169] RDX: 0000000000000017 RSI: 00007f34e3266000 RDI: 0000000000000001 # [ 60.452437] RBP: 0000000000000017 R08: 00000000ffffffff R09: 0000000000000000 # [ 60.460706] R10: 00007f34e32a34d0 R11: 0000000000000202 R12: 00007f34e3266000 # [ 60.469162] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 # [ 60.483647] irq event stamp: 0 # [ 60.493561] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 60.501534] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 60.510987] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 60.526635] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 60.540143] ---[ end trace 8025eed8b81a5ac9 ]--- # [ 60.545593] lkdtm: Saturation detected: still saturated # REFCOUNT_ADD_SATURATED: saw 'Saturation detected: still saturated': ok ok 54 selftests: lkdtm: REFCOUNT_ADD_SATURATED.sh # selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_SATURATED.sh # [ 60.699678] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED # [ 60.708850] lkdtm: attempting bad refcount_inc_not_zero() from saturated # [ 60.716642] ------------[ cut here ]------------ # [ 60.728307] refcount_t: saturated; leaking memory. # [ 60.740178] WARNING: CPU: 2 PID: 2488 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 60.756097] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel intel_pmc_core_pltdrv uvcvideo cros_ec_sysfs videobuf2_vmalloc cros_ec_lightbar cros_ec_sensorhub cros_ec_debugfs cros_usbpd_charger videobuf2_memops cros_ec_chardev cros_usbpd_logger intel_pmc_core videobuf2_v4l2 iTCO_wdt snd_soc_da7219 bluetooth watchdog snd_soc_max98927 processor_thermal_device gsmi iwlmvm x86_pkg_temp_thermal cros_ec_dev intel_pmc_bxt ecdh_generic videobuf2_common iwlwifi idma64 snd_soc_core ecc intel_soc_dts_iosf snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify int3403_thermal int340x_thermal_zone pinctrl_sunrisepoint int3400_thermal acpi_thermal_rel cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 60.843845] CPU: 2 PID: 2488 Comm: cat Tainted: G D W 5.10.216-cip47 #1 # [ 60.852802] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 60.866105] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 60.872232] Code: 02 01 e8 32 70 c5 00 0f 0b c3 cc cc cc cc 80 3d 84 d1 f6 02 00 75 a8 48 c7 c7 40 aa 82 b1 c6 05 74 d1 f6 02 01 e8 0f 70 c5 00 <0f> 0b c3 cc cc cc cc 80 3d 5e d1 f6 02 00 75 85 48 c7 c7 98 aa 82 # [ 60.893510] RSP: 0018:ffff9b6e83133e38 EFLAGS: 00010282 # [ 60.899637] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 # [ 60.907904] RDX: ffff8ab27ad2c620 RSI: ffff8ab27ad1bf50 RDI: ffff8ab27ad1bf50 # [ 60.922378] RBP: ffffffffb18cffb0 R08: 0000000000000000 R09: 0000000000000000 # [ 60.930644] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 60.938908] R13: ffff9b6e83133f10 R14: ffff9b6e83133f10 R15: ffff8ab20877f000 # [ 60.947172] FS: 00007ffb70f06740(0000) GS:ffff8ab27ad00000(0000) knlGS:0000000000000000 # [ 60.956505] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 60.963218] CR2: 00007ffb70ee5000 CR3: 0000000107f9e003 CR4: 00000000003706e0 # [ 60.971481] Call Trace: # [ 60.974504] ? __warn+0x80/0x110 # [ 60.978426] ? refcount_warn_saturate+0x97/0x110 # [ 60.990082] ? report_bug+0x9e/0xc0 # [ 60.994269] ? handle_bug+0x41/0x90 # [ 60.998487] ? exc_invalid_op+0x14/0x70 # [ 61.003063] ? asm_exc_invalid_op+0x12/0x20 # [ 61.014245] ? refcount_warn_saturate+0x97/0x110 # [ 61.025906] ? refcount_warn_saturate+0x97/0x110 # [ 61.031384] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 61.037805] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x76 # [ 61.044420] direct_entry.cold+0x2c/0x38 # [ 61.049092] full_proxy_write+0x53/0x80 # [ 61.053695] vfs_write+0xe7/0x3b0 # [ 61.057686] ksys_write+0x68/0xf0 # [ 61.061685] do_syscall_64+0x30/0x40 # [ 61.065969] entry_SYSCALL_64_after_hwframe+0x67/0xcc # [ 61.071904] RIP: 0033:0x7ffb71001240 # [ 61.076186] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89 # [ 61.097465] RSP: 002b:00007ffc4cc2d5e8 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 # [ 61.106214] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007ffb71001240 # [ 61.114479] RDX: 0000000000000020 RSI: 00007ffb70ee5000 RDI: 0000000000000001 # [ 61.122741] RBP: 0000000000000020 R08: 00000000ffffffff R09: 0000000000000000 # [ 61.131007] R10: 00007ffb70f224d0 R11: 0000000000000202 R12: 00007ffb70ee5000 # [ 61.139274] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 # [ 61.147541] irq event stamp: 0 # [ 61.151266] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 61.164770] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 61.174200] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 61.183634] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 61.190926] ---[ end trace 8025eed8b81a5aca ]--- # [ 61.196375] lkdtm: Saturation detected: still saturated # REFCOUNT_INC_NOT_ZERO_SATURATED: saw 'call trace:': ok ok 55 selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_SATURATED.sh # selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_SATURATED.sh # [ 61.867874] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED # [ 61.880251] lkdtm: attempting bad refcount_add_not_zero() from saturated # [ 61.888054] ------------[ cut here ]------------ # [ 61.893521] refcount_t: saturated; leaking memory. # [ 61.899196] WARNING: CPU: 3 PID: 2521 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 61.908928] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel intel_pmc_core_pltdrv uvcvideo cros_ec_sysfs videobuf2_vmalloc cros_ec_lightbar cros_ec_sensorhub cros_ec_debugfs cros_usbpd_charger videobuf2_memops cros_ec_chardev cros_usbpd_logger intel_pmc_core videobuf2_v4l2 iTCO_wdt snd_soc_da7219 bluetooth watchdog snd_soc_max98927 processor_thermal_device gsmi iwlmvm x86_pkg_temp_thermal cros_ec_dev intel_pmc_bxt ecdh_generic videobuf2_common iwlwifi idma64 snd_soc_core ecc intel_soc_dts_iosf snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify int3403_thermal int340x_thermal_zone pinctrl_sunrisepoint int3400_thermal acpi_thermal_rel cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 61.996655] CPU: 3 PID: 2521 Comm: cat Tainted: G D W 5.10.216-cip47 #1 # [ 62.011809] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 62.018912] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 62.025072] Code: 02 01 e8 32 70 c5 00 0f 0b c3 cc cc cc cc 80 3d 84 d1 f6 02 00 75 a8 48 c7 c7 40 aa 82 b1 c6 05 74 d1 f6 02 01 e8 0f 70 c5 00 <0f> 0b c3 cc cc cc cc 80 3d 5e d1 f6 02 00 75 85 48 c7 c7 98 aa 82 # [ 62.046380] RSP: 0018:ffff9b6e831bbe38 EFLAGS: 00010282 # [ 62.052512] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 # [ 62.060778] RDX: ffff8ab27adac620 RSI: ffff8ab27ad9bf50 RDI: ffff8ab27ad9bf50 # [ 62.069066] RBP: ffffffffb18cffd0 R08: 0000000000000000 R09: 0000000000000000 # [ 62.077332] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 62.085599] R13: ffff9b6e831bbf10 R14: ffff9b6e831bbf10 R15: ffff8ab206999000 # [ 62.093865] FS: 00007fee7b06c740(0000) GS:ffff8ab27ad80000(0000) knlGS:0000000000000000 # [ 62.103200] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 62.109910] CR2: 00007fee7b04b000 CR3: 0000000107c36005 CR4: 00000000003706e0 # [ 62.118177] Call Trace: # [ 62.121220] ? __warn+0x80/0x110 # [ 62.125127] ? refcount_warn_saturate+0x97/0x110 # [ 62.136786] ? report_bug+0x9e/0xc0 # [ 62.140999] ? handle_bug+0x41/0x90 # [ 62.145221] ? exc_invalid_op+0x14/0x70 # [ 62.156012] ? asm_exc_invalid_op+0x12/0x20 # [ 62.167195] ? refcount_warn_saturate+0x97/0x110 # [ 62.172686] ? refcount_warn_saturate+0x97/0x110 # [ 62.178161] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 62.184626] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x76 # [ 62.191253] direct_entry.cold+0x2c/0x38 # [ 62.202158] full_proxy_write+0x53/0x80 # [ 62.212962] vfs_write+0xe7/0x3b0 # [ 62.216969] ksys_write+0x68/0xf0 # [ 62.227164] do_syscall_64+0x30/0x40 # [ 62.231472] entry_SYSCALL_64_after_hwframe+0x67/0xcc # [ 62.237409] RIP: 0033:0x7fee7b167240 # [ 62.241717] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89 # [ 62.263020] RSP: 002b:00007fff69994fa8 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 # [ 62.271796] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fee7b167240 # [ 62.280061] RDX: 0000000000000020 RSI: 00007fee7b04b000 RDI: 0000000000000001 # [ 62.288327] RBP: 0000000000000020 R08: 00000000ffffffff R09: 0000000000000000 # [ 62.296591] R10: 00007fee7b0884d0 R11: 0000000000000202 R12: 00007fee7b04b000 # [ 62.304856] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 # [ 62.313144] irq event stamp: 0 # [ 62.316854] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 62.330360] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 62.339818] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 62.349248] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 62.356544] ---[ end trace 8025eed8b81a5acb ]--- # [ 62.361993] lkdtm: Saturation detected: still saturated # REFCOUNT_ADD_NOT_ZERO_SATURATED: saw 'call trace:': ok ok 56 selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_SATURATED.sh # selftests: lkdtm: REFCOUNT_DEC_AND_TEST_SATURATED.sh # [ 62.547870] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED # [ 62.556399] lkdtm: attempting bad refcount_dec_and_test() from saturated # [ 62.564205] ------------[ cut here ]------------ # [ 62.569683] refcount_t: underflow; use-after-free. # [ 62.581565] WARNING: CPU: 3 PID: 2557 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 62.591294] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel intel_pmc_core_pltdrv uvcvideo cros_ec_sysfs videobuf2_vmalloc cros_ec_lightbar cros_ec_sensorhub cros_ec_debugfs cros_usbpd_charger videobuf2_memops cros_ec_chardev cros_usbpd_logger intel_pmc_core videobuf2_v4l2 iTCO_wdt snd_soc_da7219 bluetooth watchdog snd_soc_max98927 processor_thermal_device gsmi iwlmvm x86_pkg_temp_thermal cros_ec_dev intel_pmc_bxt ecdh_generic videobuf2_common iwlwifi idma64 snd_soc_core ecc intel_soc_dts_iosf snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify int3403_thermal int340x_thermal_zone pinctrl_sunrisepoint int3400_thermal acpi_thermal_rel cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 62.679062] CPU: 3 PID: 2557 Comm: cat Tainted: G D W 5.10.216-cip47 #1 # [ 62.688036] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 62.695138] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 62.701266] Code: 02 01 e8 0f 70 c5 00 0f 0b c3 cc cc cc cc 80 3d 5e d1 f6 02 00 75 85 48 c7 c7 98 aa 82 b1 c6 05 4e d1 f6 02 01 e8 ec 6f c5 00 <0f> 0b c3 cc cc cc cc 80 3d 39 d1 f6 02 00 0f 85 5e ff ff ff 48 c7 # [ 62.722547] RSP: 0018:ffff9b6e83223e40 EFLAGS: 00010286 # [ 62.728688] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000 # [ 62.736953] RDX: ffff8ab27adac620 RSI: ffff8ab27ad9bf50 RDI: ffff8ab27ad9bf50 # [ 62.745220] RBP: ffffffffb18cfff0 R08: 0000000000000000 R09: 0000000000000000 # [ 62.753486] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 62.761751] R13: ffff9b6e83223f10 R14: ffff9b6e83223f10 R15: ffff8ab203254000 # [ 62.770017] FS: 00007f786fefb740(0000) GS:ffff8ab27ad80000(0000) knlGS:0000000000000000 # [ 62.779352] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 62.786063] CR2: 00007f786feda000 CR3: 000000010699e002 CR4: 00000000003706e0 # [ 62.794329] Call Trace: # [ 62.797353] ? __warn+0x80/0x110 # [ 62.801273] ? refcount_warn_saturate+0xba/0x110 # [ 62.812933] ? report_bug+0x9e/0xc0 # [ 62.817152] ? handle_bug+0x41/0x90 # [ 62.821374] ? exc_invalid_op+0x14/0x70 # [ 62.832167] ? asm_exc_invalid_op+0x12/0x20 # [ 62.843347] ? refcount_warn_saturate+0xba/0x110 # [ 62.855008] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 62.867641] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x76 # [ 62.880469] direct_entry.cold+0x2c/0x38 # [ 62.891355] full_proxy_write+0x53/0x80 # [ 62.902143] vfs_write+0xe7/0x3b0 # [ 62.912348] ksys_write+0x68/0xf0 # [ 62.922554] do_syscall_64+0x30/0x40 # [ 62.933053] entry_SYSCALL_64_after_hwframe+0x67/0xcc # [ 62.945201] RIP: 0033:0x7f786fff6240 # [ 62.955698] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89 # [ 62.983187] RSP: 002b:00007ffe258de208 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 # [ 62.998151] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f786fff6240 # [ 63.012632] RDX: 0000000000000020 RSI: 00007f786feda000 RDI: 0000000000000001 # [ 63.027112] RBP: 0000000000000020 R08: 00000000ffffffff R09: 0000000000000000 # [ 63.041591] R10: 00007f786ff174d0 R11: 0000000000000202 R12: 00007f786feda000 # [ 63.056077] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 # [ 63.064397] irq event stamp: 0 # [ 63.068106] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 63.081640] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 63.081641] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 63.081642] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 63.081644] ---[ end trace 8025eed8b81a5acc ]--- # [ 63.081647] lkdtm: Saturation detected: still saturated # REFCOUNT_DEC_AND_TEST_SATURATED: saw 'Saturation detected: still saturated': ok ok 57 selftests: lkdtm: REFCOUNT_DEC_AND_TEST_SATURATED.sh # selftests: lkdtm: REFCOUNT_SUB_AND_TEST_SATURATED.sh # [ 63.372884] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED # [ 63.382143] lkdtm: attempting bad refcount_sub_and_test() from saturated # [ 63.396142] ------------[ cut here ]------------ # [ 63.407804] refcount_t: underflow; use-after-free. # [ 63.419717] WARNING: CPU: 1 PID: 2593 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 63.435636] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel intel_pmc_core_pltdrv uvcvideo cros_ec_sysfs videobuf2_vmalloc cros_ec_lightbar cros_ec_sensorhub cros_ec_debugfs cros_usbpd_charger videobuf2_memops cros_ec_chardev cros_usbpd_logger intel_pmc_core videobuf2_v4l2 iTCO_wdt snd_soc_da7219 bluetooth watchdog snd_soc_max98927 processor_thermal_device gsmi iwlmvm x86_pkg_temp_thermal cros_ec_dev intel_pmc_bxt ecdh_generic videobuf2_common iwlwifi idma64 snd_soc_core ecc intel_soc_dts_iosf snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify int3403_thermal int340x_thermal_zone pinctrl_sunrisepoint int3400_thermal acpi_thermal_rel cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 63.523333] CPU: 1 PID: 2593 Comm: cat Tainted: G D W 5.10.216-cip47 #1 # [ 63.538490] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 63.551805] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 63.564147] Code: 02 01 e8 0f 70 c5 00 0f 0b c3 cc cc cc cc 80 3d 5e d1 f6 02 00 75 85 48 c7 c7 98 aa 82 b1 c6 05 4e d1 f6 02 01 e8 ec 6f c5 00 <0f> 0b c3 cc cc cc cc 80 3d 39 d1 f6 02 00 0f 85 5e ff ff ff 48 c7 # [ 63.591646] RSP: 0018:ffff9b6e832abe40 EFLAGS: 00010286 # [ 63.603985] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000 # [ 63.618465] RDX: ffff8ab27acac620 RSI: ffff8ab27ac9bf50 RDI: ffff8ab27ac9bf50 # [ 63.632944] RBP: ffffffffb18d0010 R08: 0000000000000000 R09: 0000000000000000 # [ 63.647424] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 63.655692] R13: ffff9b6e832abf10 R14: ffff9b6e832abf10 R15: ffff8ab207d48000 # [ 63.670173] FS: 00007f13a3329740(0000) GS:ffff8ab27ac80000(0000) knlGS:0000000000000000 # [ 63.685715] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 63.698637] CR2: 00007f13a3308000 CR3: 0000000103b36001 CR4: 00000000003706e0 # [ 63.713112] Call Trace: # [ 63.722358] ? __warn+0x80/0x110 # [ 63.732461] ? refcount_warn_saturate+0xba/0x110 # [ 63.744119] ? report_bug+0x9e/0xc0 # [ 63.754520] ? handle_bug+0x41/0x90 # [ 63.764921] ? exc_invalid_op+0x14/0x70 # [ 63.775707] ? asm_exc_invalid_op+0x12/0x20 # [ 63.786886] ? refcount_warn_saturate+0xba/0x110 # [ 63.798545] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 63.811177] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x76 # [ 63.824005] direct_entry.cold+0x2c/0x38 # [ 63.834891] full_proxy_write+0x53/0x80 # [ 63.845679] vfs_write+0xe7/0x3b0 # [ 63.855884] ksys_write+0x68/0xf0 # [ 63.866091] do_syscall_64+0x30/0x40 # [ 63.876589] entry_SYSCALL_64_after_hwframe+0x67/0xcc # [ 63.888734] RIP: 0033:0x7f13a3424240 # [ 63.899230] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89 # [ 63.926720] RSP: 002b:00007ffdedb0d008 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 # [ 63.926723] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f13a3424240 # [ 63.926724] RDX: 0000000000000020 RSI: 00007f13a3308000 RDI: 0000000000000001 # [ 63.926725] RBP: 0000000000000020 R08: 00000000ffffffff R09: 0000000000000000 # [ 63.926728] R10: 00007f13a33454d0 R11: 0000000000000202 R12: 00007f13a3308000 # [ 63.987161] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 # [ 63.995434] irq event stamp: 0 # [ 64.005334] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 64.018842] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 64.034485] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 64.050128] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 64.063633] ---[ end trace 8025eed8b81a5acd ]--- # [ 64.075297] lkdtm: Saturation detected: still saturated # REFCOUNT_SUB_AND_TEST_SATURATED: saw 'Saturation detected: still saturated': ok ok 58 selftests: lkdtm: REFCOUNT_SUB_AND_TEST_SATURATED.sh # selftests: lkdtm: REFCOUNT_TIMING.sh # Skipping REFCOUNT_TIMING: timing only ok 59 selftests: lkdtm: REFCOUNT_TIMING.sh # SKIP # selftests: lkdtm: ATOMIC_TIMING.sh # Skipping ATOMIC_TIMING: timing only ok 60 selftests: lkdtm: ATOMIC_TIMING.sh # SKIP # selftests: lkdtm: USERCOPY_HEAP_SIZE_TO.sh # [ 64.316204] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO # [ 64.324983] lkdtm: attempting good copy_to_user of correct size # [ 64.338122] lkdtm: attempting bad copy_to_user of too large size # USERCOPY_HEAP_SIZE_TO: missing 'call trace:': [FAIL] not ok 61 selftests: lkdtm: USERCOPY_HEAP_SIZE_TO.sh # exit=1 # selftests: lkdtm: USERCOPY_HEAP_SIZE_FROM.sh # [ 64.479961] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM # [ 64.489241] lkdtm: attempting good copy_from_user of correct size # [ 64.496365] lkdtm: attempting bad copy_from_user of too large size # USERCOPY_HEAP_SIZE_FROM: missing 'call trace:': [FAIL] not ok 62 selftests: lkdtm: USERCOPY_HEAP_SIZE_FROM.sh # exit=1 # selftests: lkdtm: USERCOPY_HEAP_WHITELIST_TO.sh # [ 64.640765] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO # [ 64.654098] lkdtm: attempting good copy_to_user inside whitelist # [ 64.667317] lkdtm: attempting bad copy_to_user outside whitelist # USERCOPY_HEAP_WHITELIST_TO: missing 'call trace:': [FAIL] not ok 63 selftests: lkdtm: USERCOPY_HEAP_WHITELIST_TO.sh # exit=1 # selftests: lkdtm: USERCOPY_HEAP_WHITELIST_FROM.sh # [ 64.806857] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM # [ 64.818745] lkdtm: attempting good copy_from_user inside whitelist # [ 64.832163] lkdtm: attempting bad copy_from_user outside whitelist # USERCOPY_HEAP_WHITELIST_FROM: missing 'call trace:': [FAIL] not ok 64 selftests: lkdtm: USERCOPY_HEAP_WHITELIST_FROM.sh # exit=1 # selftests: lkdtm: USERCOPY_STACK_FRAME_TO.sh # [ 64.973399] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO # [ 64.983391] lkdtm: good_stack: ffff9b6e83673e20-ffff9b6e83673e40 # [ 64.990405] lkdtm: bad_stack : ffff9b6e83673da8-ffff9b6e83673dc8 # [ 65.003634] lkdtm: attempting good copy_to_user of local stack # [ 65.010465] lkdtm: attempting bad copy_to_user of distant stack # USERCOPY_STACK_FRAME_TO: missing 'call trace:': [FAIL] not ok 65 selftests: lkdtm: USERCOPY_STACK_FRAME_TO.sh # exit=1 # selftests: lkdtm: USERCOPY_STACK_FRAME_FROM.sh # [ 65.159006] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM # [ 65.167829] lkdtm: good_stack: ffff9b6e83713e20-ffff9b6e83713e40 # [ 65.181042] lkdtm: bad_stack : ffff9b6e83713da8-ffff9b6e83713dc8 # [ 65.194269] lkdtm: attempting good copy_from_user of local stack # [ 65.207495] lkdtm: attempting bad copy_from_user of distant stack # USERCOPY_STACK_FRAME_FROM: missing 'call trace:': [FAIL] not ok 66 selftests: lkdtm: USERCOPY_STACK_FRAME_FROM.sh # exit=1 # selftests: lkdtm: USERCOPY_STACK_BEYOND.sh # [ 65.353306] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND # [ 65.364578] lkdtm: good_stack: ffff9b6e837cbe20-ffff9b6e837cbe40 # [ 65.377811] lkdtm: bad_stack : ffff9b6e837cbff8-ffff9b6e837cc018 # [ 65.391102] lkdtm: attempting good copy_to_user of local stack # [ 65.404056] lkdtm: attempting bad copy_to_user of distant stack # [ 65.417168] lkdtm: copy_to_user failed, but lacked Oops # USERCOPY_STACK_BEYOND: missing 'call trace:': [FAIL] not ok 67 selftests: lkdtm: USERCOPY_STACK_BEYOND.sh # exit=1 # selftests: lkdtm: USERCOPY_KERNEL.sh # [ 65.551761] lkdtm: Performing direct entry USERCOPY_KERNEL # [ 65.560324] lkdtm: attempting good copy_to_user from kernel rodata: ffffffffb1440b10 # [ 65.575519] lkdtm: attempting bad copy_to_user from kernel text: ffffffffaece41c0 # [ 65.590352] lkdtm: FAIL: survived bad copy_to_user() # USERCOPY_KERNEL: missing 'call trace:': [FAIL] not ok 68 selftests: lkdtm: USERCOPY_KERNEL.sh # exit=1 # selftests: lkdtm: STACKLEAK_ERASING.sh # [ 65.730486] lkdtm: Performing direct entry STACKLEAK_ERASING # [ 65.739617] lkdtm: checking unused part of the thread stack (15928 bytes)... # [ 65.754008] lkdtm: FAIL: the erased part is not found (checked 15928 bytes) # [ 65.768281] lkdtm: FAIL: the thread stack is NOT properly erased # [ 65.781497] CPU: 1 PID: 2969 Comm: cat Tainted: G D W 5.10.216-cip47 #1 # [ 65.796650] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 65.803735] Call Trace: # [ 65.806749] dump_stack+0x77/0x9b # [ 65.816949] lkdtm_STACKLEAK_ERASING+0x116/0x144 # [ 65.822393] direct_entry.cold+0x2c/0x38 # [ 65.827063] full_proxy_write+0x53/0x80 # [ 65.831636] vfs_write+0xe7/0x3b0 # [ 65.841832] ksys_write+0x68/0xf0 # [ 65.845821] do_syscall_64+0x30/0x40 # [ 65.850102] entry_SYSCALL_64_after_hwframe+0x67/0xcc # [ 65.856022] RIP: 0033:0x7fed4adde240 # [ 65.860300] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89 # [ 65.881568] RSP: 002b:00007ffefda9e168 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 # [ 65.890314] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fed4adde240 # [ 65.898573] RDX: 0000000000000012 RSI: 00007fed4acc2000 RDI: 0000000000000001 # [ 65.906832] RBP: 0000000000000012 R08: 00000000ffffffff R09: 0000000000000000 # [ 65.915091] R10: 00007fed4acff4d0 R11: 0000000000000202 R12: 00007fed4acc2000 # [ 65.923349] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 # STACKLEAK_ERASING: missing 'OK: the rest of the thread stack is properly erased': [FAIL] not ok 69 selftests: lkdtm: STACKLEAK_ERASING.sh # exit=1 # selftests: lkdtm: CFI_FORWARD_PROTO.sh # [ 66.063456] lkdtm: Performing direct entry CFI_FORWARD_PROTO # [ 66.074985] lkdtm: Calling matched prototype ... # [ 66.080443] lkdtm: Calling mismatched prototype ... # [ 66.086192] lkdtm: Fail: survived mismatched prototype function call! # CFI_FORWARD_PROTO: missing 'call trace:': [FAIL] not ok 70 selftests: lkdtm: CFI_FORWARD_PROTO.sh # exit=1 lkdtm_PANIC_sh skip lkdtm_BUG_sh pass lkdtm_WARNING_sh pass lkdtm_WARNING_MESSAGE_sh pass lkdtm_EXCEPTION_sh pass lkdtm_LOOP_sh skip lkdtm_EXHAUST_STACK_sh skip lkdtm_CORRUPT_STACK_sh skip lkdtm_CORRUPT_STACK_STRONG_sh skip lkdtm_CORRUPT_LIST_ADD_sh fail lkdtm_CORRUPT_LIST_DEL_sh fail lkdtm_STACK_GUARD_PAGE_LEADING_sh pass lkdtm_STACK_GUARD_PAGE_TRAILING_sh pass lkdtm_UNSET_SMEP_sh pass lkdtm_DOUBLE_FAULT_sh skip lkdtm_CORRUPT_PAC_sh skip lkdtm_UNALIGNED_LOAD_STORE_WRITE_sh skip lkdtm_OVERWRITE_ALLOCATION_sh skip lkdtm_WRITE_AFTER_FREE_sh skip lkdtm_READ_AFTER_FREE_sh fail lkdtm_WRITE_BUDDY_AFTER_FREE_sh skip lkdtm_READ_BUDDY_AFTER_FREE_sh fail lkdtm_SLAB_FREE_DOUBLE_sh fail lkdtm_SLAB_FREE_CROSS_sh fail lkdtm_SLAB_FREE_PAGE_sh fail lkdtm_SOFTLOCKUP_sh skip lkdtm_HARDLOCKUP_sh skip lkdtm_SPINLOCKUP_sh skip lkdtm_HUNG_TASK_sh skip lkdtm_EXEC_DATA_sh pass lkdtm_EXEC_STACK_sh pass lkdtm_EXEC_KMALLOC_sh pass lkdtm_EXEC_VMALLOC_sh pass lkdtm_EXEC_RODATA_sh pass lkdtm_EXEC_USERSPACE_sh pass lkdtm_EXEC_NULL_sh pass lkdtm_ACCESS_USERSPACE_sh pass lkdtm_ACCESS_NULL_sh pass lkdtm_WRITE_RO_sh pass lkdtm_WRITE_RO_AFTER_INIT_sh pass lkdtm_WRITE_KERN_sh pass lkdtm_REFCOUNT_INC_OVERFLOW_sh pass lkdtm_REFCOUNT_ADD_OVERFLOW_sh pass lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW_sh pass lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW_sh pass lkdtm_REFCOUNT_DEC_ZERO_sh pass lkdtm_REFCOUNT_DEC_NEGATIVE_sh pass lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE_sh pass lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE_sh pass lkdtm_REFCOUNT_INC_ZERO_sh pass lkdtm_REFCOUNT_ADD_ZERO_sh pass lkdtm_REFCOUNT_INC_SATURATED_sh pass lkdtm_REFCOUNT_DEC_SATURATED_sh pass lkdtm_REFCOUNT_ADD_SATURATED_sh pass lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED_sh pass lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED_sh pass lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED_sh pass lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED_sh pass lkdtm_REFCOUNT_TIMING_sh skip lkdtm_ATOMIC_TIMING_sh skip lkdtm_USERCOPY_HEAP_SIZE_TO_sh fail lkdtm_USERCOPY_HEAP_SIZE_FROM_sh fail lkdtm_USERCOPY_HEAP_WHITELIST_TO_sh fail lkdtm_USERCOPY_HEAP_WHITELIST_FROM_sh fail lkdtm_USERCOPY_STACK_FRAME_TO_sh fail lkdtm_USERCOPY_STACK_FRAME_FROM_sh fail lkdtm_USERCOPY_STACK_BEYOND_sh fail lkdtm_USERCOPY_KERNEL_sh fail lkdtm_STACKLEAK_ERASING_sh fail lkdtm_CFI_FORWARD_PROTO_sh fail + ../../utils/send-to-lava.sh ./output/result.txt <6>[ 74.989321] PDLOG 2024/05/30 07:57:10.053 P0 SNK (not charging) Charger ??? 5000mV max 5000mV / 500mA <6>[ 75.002454] PDLOG 2024/05/30 07:57:10.054 P1 SNK Charger ??? 15427mV max 5000mV / 3000mA <6>[ 75.012274] PDLOG 2024/05/30 07:57:10.105 P1 SNK Charger ??? 15427mV max 15000mV / 3000mA <6>[ 75.022151] PDLOG 2024/05/30 07:57:10.124 P0 SNK (not charging) Charger ??? 5000mV max 5000mV / 1500mA [ 75.033303] PDLOG 2024/05/30 07:57:11.251 P0 SNK (not charging) Charger ??? 5000mV max 5000mV / 1500mA SULT=pass> + set +x