[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_A:0.0.10/29d77172 RW_B:0.3.15/cr50_v1.9308_87_mp.224-6339b6f 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 4921 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_A:0.0.10/29d77172 RW_B:0.3.15/cr50_v1.9308_87_mp.224-6339b6f 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. AP: slot 1 apic_id 1. Waiting for 2nd SIPI to complete...done. 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 0x7afff800 In relocation handler: CPU 2 New SMBASE=0x7afff800 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. 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 #2 Initializing CPU #3 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 apic_id: 0x03 done. Setting up local APIC...Skip microcode update Setting up local APIC... apic_id: 0x01 done. apic_id: 0x02 done. CPU #2 initialized Skip microcode update Skip microcode update CPU #3 initialized CPU #1 initialized bsp_do_flight_plan done after 226 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 376003 run 170368 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 8974 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 8975 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 8973 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 8973 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 8977 usecs scan_usb_bus for USB0 port 0 done scan_bus: scanning of bus USB0 port 0 took 90982 usecs scan_usb_bus for PCI: 00:14.0 done scan_bus: scanning of bus PCI: 00:14.0 took 107766 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 14158 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 14158 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 22363 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 53534 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 13852 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 11319 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 9267 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 10045 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 10045 usecs scan_bus: scanning of bus DOMAIN: 0000 took 466093 usecs root_dev_scan_bus for Root Device done scan_bus: scanning of bus Root Device took 486201 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 825991 exit 39341 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 2113612 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 230 run 139296 exit 17864 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 31657 usecs CPU_CLUSTER: 0 init ... CPU_CLUSTER: 0 init finished in 2444 usecs PCI: 00:00.0 init ... CPU TDP: 5 Watts CPU PL2 = 18 Watts PCI: 00:00.0 init finished in 6983 usecs PCI: 00:02.0 init ... PCI: 00:02.0 init finished in 2249 usecs PCI: 00:04.0 init ... PCI: 00:04.0 init finished in 2248 usecs PCI: 00:08.0 init ... PCI: 00:08.0 init finished in 2248 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 2248 usecs PCI: 00:15.0 init ... DW I2C bus 0 at 0xd1132000 (400 KHz) PCI: 00:15.0 init finished in 5966 usecs PCI: 00:15.1 init ... DW I2C bus 1 at 0xd1133000 (400 KHz) PCI: 00:15.1 init finished in 5966 usecs PCI: 00:16.0 init ... PCI: 00:16.0 init finished in 2248 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 5287 usecs PCI: 00:1e.4 init ... PCI: 00:1e.4 init finished in 2247 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 23468 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 23793 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 2389 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_v2.0.427-c38dc837e running image: 1 EC returned error result code 1 PNP: 0c09.0 init finished in 24392 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 2024-06-06 00:17:45 UTC ELOG: Event(92) added with size 9 at 2024-06-06 00:17:45 UTC ELOG: Event(AD) added with size 10 at 2024-06-06 00:17:45 UTC ELOG: Event(9F) added with size 14 at 2024-06-06 00:17:45 UTC BS: BS_DEV_INIT times (us): entry 0 run 417730 exit 42574 ELOG: Event(A1) added with size 10 at 2024-06-06 00:17:45 UTC elog_add_boot_reason: Logged recovery mode boot (Dev-switch on), reason: 0x02 ELOG: Event(A0) added with size 9 at 2024-06-06 00:17:45 UTC 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 25583 run 3967 exit 5167 BS: BS_OS_RESUME_CHECK times (us): entry 0 run 55 exit 0 ELOG: Event(91) added with size 10 at 2024-06-06 00:17:45 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 7c6c 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 6285 run 537471 exit 146877 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() CPU physical address size: 39 bits CPU physical address size: 39 bits CBFS: Found @ offset 223040 size 360b4 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 : 0x00084004 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 597 run 261957 exit 134619 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 14191719/tftp-deploy-gzrzoc_a/kernel/bzImage 14191719/tftp-deploy-gzrzoc_a/kernel/cmdline 14191719/tftp-deploy-gzrzoc_a/ramdisk/ramdisk.cpio.gz tftpboot 192.168.201.1 14191719/tftp-deploy-gzrzoc_a/kernel/bzImploy-gzrzoc_a/kernel/cmdline 14191719/tftp-deploy-gzrzoc_a/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:68:04:98 Sending DHCP discover... done. Waiting for reply... done. Sending DHCP request... done. Waiting for reply... done. My ip is 192.168.201.15 The DHCP server ip is 192.168.201.1 TFTP server IP predefined by user: 192.168.201.1 Bootfile predefined by user: 14191719/tftp-deploy-gzrzoc_a/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 22861696 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: 14191719/tftp-deploy-gzrzoc_a/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/14191719/extract-nfsrootfs-rgsmaosn,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: 24754538 Starting kernel ... <5>[ 0.000000] Linux version 5.10.218-cip49 (KernelCI@build-j218951-x86-64-gcc-10-x86-64-defconfig-x86-board-q7v7w) (gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2) #1 SMP Thu Jun 6 00:06:45 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/14191719/extract-nfsrootfs-rgsmaosn,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>[ 0.000057] last_pfn = 0x17f000 max_arch_pfn = 0x400000000 <6>[ 0.001398] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT <6>[ 0.007159] last_pfn = 0x7a998 max_arch_pfn = 0x400000000 <6>[ 0.026226] check: Scanning 1 areas for low memory corruption <6>[ 0.026240] Using GB pages for direct mapping <6>[ 0.026803] RAMDISK: [mem 0x37393000-0x37ffffff] <6>[ 0.026810] ACPI: Early table checksum verification disabled <6>[ 0.026818] ACPI: RSDP 0x00000000000F0000 000024 (v02 CORE ) <6>[ 0.026832] ACPI: XSDT 0x000000007AA9A0E0 00006C (v01 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.026848] ACPI: FACP 0x000000007AA9E970 0000F4 (v04 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.026864] ACPI: DSDT 0x000000007AA9A280 0046E3 (v05 COREv4 COREBOOT 20110725 INTL 20180531) <6>[ 0.026877] ACPI: FACS 0x000000007AA9A240 000040 <6>[ 0.026889] ACPI: FACS 0x000000007AA9A240 000040 <6>[ 0.026900] ACPI: SSDT 0x000000007AA9EA70 000EFA (v02 CORE COREBOOT 0000002A CORE 0000002A) <6>[ 0.026912] ACPI: MCFG 0x000000007AA9F970 00003C (v01 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.026925] ACPI: TPM2 0x000000007AA9F9B0 000040 (v04 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.026937] ACPI: APIC 0x000000007AA9F9F0 00006C (v02 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.026949] ACPI: NHLT 0x000000007AA9FA60 001B1C (v05 GOOGLE RAMMUS 00000000 CORE 00000000) <6>[ 0.026961] ACPI: DMAR 0x000000007AAA1580 000088 (v01 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.026973] ACPI: DBG2 0x000000007AAA3610 000061 (v00 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.026985] ACPI: HPET 0x000000007AAA3680 000038 (v01 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.026997] ACPI: Reserving FACP table memory at [mem 0x7aa9e970-0x7aa9ea63] <6>[ 0.027002] ACPI: Reserving DSDT table memory at [mem 0x7aa9a280-0x7aa9e962] <6>[ 0.027007] ACPI: Reserving FACS table memory at [mem 0x7aa9a240-0x7aa9a27f] <6>[ 0.027012] ACPI: Reserving FACS table memory at [mem 0x7aa9a240-0x7aa9a27f] <6>[ 0.027016] ACPI: Reserving SSDT table memory at [mem 0x7aa9ea70-0x7aa9f969] <6>[ 0.027021] ACPI: Reserving MCFG table memory at [mem 0x7aa9f970-0x7aa9f9ab] <6>[ 0.027026] ACPI: Reserving TPM2 table memory at [mem 0x7aa9f9b0-0x7aa9f9ef] <6>[ 0.027030] ACPI: Reserving APIC table memory at [mem 0x7aa9f9f0-0x7aa9fa5b] <6>[ 0.027035] ACPI: Reserving NHLT table memory at [mem 0x7aa9fa60-0x7aaa157b] <6>[ 0.027040] ACPI: Reserving DMAR table memory at [mem 0x7aaa1580-0x7aaa1607] <6>[ 0.027045] ACPI: Reserving DBG2 table memory at [mem 0x7aaa3610-0x7aaa3670] <6>[ 0.027049] ACPI: Reserving HPET table memory at [mem 0x7aaa3680-0x7aaa36b7] <6>[ 0.027199] No NUMA configuration found <6>[ 0.027205] Faking a node at [mem 0x0000000000000000-0x000000017effffff] <6>[ 0.027214] NODE_DATA(0) allocated [mem 0x17effa000-0x17effdfff] <6>[ 0.027260] Zone ranges: <6>[ 0.027265] DMA [mem 0x0000000000001000-0x0000000000ffffff] <6>[ 0.027272] DMA32 [mem 0x0000000001000000-0x00000000ffffffff] <6>[ 0.027280] Normal [mem 0x0000000100000000-0x000000017effffff] <6>[ 0.027287] Movable zone start for each node <6>[ 0.027291] Early memory node ranges <6>[ 0.027296] node 0: [mem 0x0000000000001000-0x000000000009ffff] <6>[ 0.027302] node 0: [mem 0x0000000000100000-0x000000007a997fff] <6>[ 0.027307] node 0: [mem 0x0000000100000000-0x000000017effffff] <6>[ 0.027313] Initmem setup node 0 [mem 0x0000000000001000-0x000000017effffff] <6>[ 0.027351] On node 0, zone DMA: 1 pages in unavailable ranges <6>[ 0.027417] On node 0, zone DMA: 96 pages in unavailable ranges <6>[ 0.043720] On node 0, zone Normal: 22120 pages in unavailable ranges <6>[ 0.044699] On node 0, zone Normal: 4096 pages in unavailable ranges <6>[ 0.044725] Reserving Intel graphics memory at [mem 0x7c000000-0x7fffffff] <6>[ 0.045116] ACPI: PM-Timer IO Port: 0x1808 <6>[ 0.045172] IOAPIC[0]: apic_id 2, version 32, address 0xfec00000, GSI 0-119 <6>[ 0.045186] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl) <6>[ 0.045193] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) <6>[ 0.045207] Using ACPI (MADT) for SMP configuration information <6>[ 0.045213] ACPI: HPET id: 0x8086a701 base: 0xfed00000 <6>[ 0.045222] TSC deadline timer available <6>[ 0.045228] smpboot: Allowing 4 CPUs, 0 hotplug CPUs <6>[ 0.045258] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] <6>[ 0.045265] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000fffff] <6>[ 0.045271] PM: hibernation: Registered nosave memory: [mem 0x7a998000-0x7affffff] <6>[ 0.045275] PM: hibernation: Registered nosave memory: [mem 0x7b000000-0x7fffffff] <6>[ 0.045280] PM: hibernation: Registered nosave memory: [mem 0x80000000-0xdfffffff] <6>[ 0.045284] PM: hibernation: Registered nosave memory: [mem 0xe0000000-0xe3ffffff] <6>[ 0.045289] PM: hibernation: Registered nosave memory: [mem 0xe4000000-0xfdffffff] <6>[ 0.045293] PM: hibernation: Registered nosave memory: [mem 0xfe000000-0xfe00ffff] <6>[ 0.045298] PM: hibernation: Registered nosave memory: [mem 0xfe010000-0xfed0ffff] <6>[ 0.045302] PM: hibernation: Registered nosave memory: [mem 0xfed10000-0xfed19fff] <6>[ 0.045306] PM: hibernation: Registered nosave memory: [mem 0xfed1a000-0xfed7ffff] <6>[ 0.045311] PM: hibernation: Registered nosave memory: [mem 0xfed80000-0xfed84fff] <6>[ 0.045315] PM: hibernation: Registered nosave memory: [mem 0xfed85000-0xfed8ffff] <6>[ 0.045320] PM: hibernation: Registered nosave memory: [mem 0xfed90000-0xfed91fff] <6>[ 0.045324] PM: hibernation: Registered nosave memory: [mem 0xfed92000-0xffffffff] <6>[ 0.045333] [mem 0x80000000-0xdfffffff] available for PCI devices <6>[ 0.045341] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1910969940391419 ns <6>[ 0.064326] setup_percpu: NR_CPUS:64 nr_cpumask_bits:64 nr_cpu_ids:4 nr_node_ids:1 <6>[ 0.064619] percpu: Embedded 59 pages/cpu s200848 r8192 d32624 u524288 <6>[ 0.064702] Built 1 zonelists, mobility grouping on. Total pages: 1006266 <6>[ 0.064708] Policy zone: Normal <5>[ 0.064722] 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/14191719/extract-nfsrootfs-rgsmaosn,tcp,hard,v3 ip=dhcp tftpserverip=192.168.201.1 <6>[ 0.065336] Dentry cache hash table entries: 524288 (order: 10, 4194304 bytes, linear) <6>[ 0.065612] Inode-cache hash table entries: 262144 (order: 9, 2097152 bytes, linear) <6>[ 0.065705] mem auto-init: stack:off, heap alloc:off, heap free:off <6>[ 0.100693] Memory: 3859484K/4089052K available (22546K kernel code, 3715K rwdata, 24604K rodata, 2164K init, 13960K bss, 229308K reserved, 0K cma-reserved) <6>[ 0.100846] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1 <6>[ 0.100908] Kernel/User page tables isolation: enabled <6>[ 0.101060] ftrace: allocating 61815 entries in 242 pages <6>[ 0.172055] ftrace: allocated 242 pages with 5 groups <6>[ 0.172363] Running RCU self tests <6>[ 0.172379] rcu: Hierarchical RCU implementation. <6>[ 0.172384] rcu: RCU event tracing is enabled. <6>[ 0.172388] rcu: RCU lockdep checking is enabled. <6>[ 0.172393] rcu: RCU restricting CPUs from NR_CPUS=64 to nr_cpu_ids=4. <6>[ 0.172398] Rude variant of Tasks RCU enabled. <6>[ 0.172402] Tracing variant of Tasks RCU enabled. <6>[ 0.172408] rcu: RCU calculated value of scheduler-enlistment delay is 100 jiffies. <6>[ 0.172413] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=4 <6>[ 0.182889] NR_IRQS: 4352, nr_irqs: 1024, preallocated irqs: 16 <5>[ 0.183380] random: crng init done <6>[ 0.183497] Console: colour dummy device 80x25 <6>[ 0.257084] printk: console [ttyS0] enabled <4>[ 0.257474] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar <4>[ 0.258159] ... MAX_LOCKDEP_SUBCLASSES: 8 <4>[ 0.258542] ... MAX_LOCK_DEPTH: 48 <4>[ 0.258932] ... MAX_LOCKDEP_KEYS: 8192 <4>[ 0.259335] ... CLASSHASH_SIZE: 4096 <4>[ 0.259739] ... MAX_LOCKDEP_ENTRIES: 32768 <4>[ 0.260150] ... MAX_LOCKDEP_CHAINS: 65536 <4>[ 0.260561] ... CHAINHASH_SIZE: 32768 <4>[ 0.260972] memory used by lock dependency info: 6365 kB <4>[ 0.261462] memory used for stack traces: 4224 kB <4>[ 0.261902] per task-struct memory footprint: 1920 bytes <6>[ 0.262454] ACPI: Core revision 20200925 <6>[ 0.263048] hpet: HPET dysfunctional in PC10. Force disabled. <6>[ 0.263572] APIC: Switch to symmetric I/O mode setup <6>[ 0.268070] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x170fff30cc4, max_idle_ns: 440795237869 ns <6>[ 0.269015] Calibrating delay loop (skipped), value calculated using timer frequency.. 3199.92 BogoMIPS (lpj=1599960) <6>[ 0.269996] mce: CPU0: Thermal monitoring enabled (TM1) <6>[ 0.269996] process: using mwait in idle threads <6>[ 0.269996] Last level iTLB entries: 4KB 64, 2MB 8, 4MB 8 <6>[ 0.269996] Last level dTLB entries: 4KB 64, 2MB 0, 4MB 0, 1GB 4 <6>[ 0.269996] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization <6>[ 0.269996] Spectre V2 : Mitigation: IBRS <6>[ 0.269996] Spectre V2 : Spectre v2 / SpectreRSB mitigation: Filling RSB on context switch <6>[ 0.269996] Spectre V2 : Spectre v2 / SpectreRSB : Filling RSB on VMEXIT <6>[ 0.269996] RETBleed: Mitigation: IBRS <6>[ 0.269996] Spectre V2 : mitigation: Enabling conditional Indirect Branch Prediction Barrier <6>[ 0.269996] Spectre V2 : User space: Mitigation: STIBP via seccomp and prctl <6>[ 0.269996] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl and seccomp <6>[ 0.269996] MDS: Vulnerable: Clear CPU buffers attempted, no microcode <6>[ 0.269996] MMIO Stale Data: Vulnerable: Clear CPU buffers attempted, no microcode <6>[ 0.269996] SRBDS: Vulnerable: No microcode <6>[ 0.269996] GDS: Vulnerable: No microcode <6>[ 0.269996] x86/fpu: Supporting XSAVE feature 0x001: 'x87 floating point registers' <6>[ 0.269996] x86/fpu: Supporting XSAVE feature 0x002: 'SSE registers' <6>[ 0.269996] x86/fpu: Supporting XSAVE feature 0x004: 'AVX registers' <6>[ 0.269996] x86/fpu: Supporting XSAVE feature 0x008: 'MPX bounds registers' <6>[ 0.269996] x86/fpu: Supporting XSAVE feature 0x010: 'MPX CSR' <6>[ 0.269996] x86/fpu: xstate_offset[2]: 576, xstate_sizes[2]: 256 <6>[ 0.269996] x86/fpu: xstate_offset[3]: 832, xstate_sizes[3]: 64 <6>[ 0.269996] x86/fpu: xstate_offset[4]: 896, xstate_sizes[4]: 64 <6>[ 0.269996] x86/fpu: Enabled xstate features 0x1f, context size is 960 bytes, using 'compacted' format. <4>[ 0.269996] ------------[ cut here ]------------ <4>[ 0.269996] missing return thunk: lkdtm_rodata_do_nothing+0x0/0x10-lkdtm_rodata_do_nothing+0x5/0x10: e9 00 00 00 00 <4>[ 0.269996] WARNING: CPU: 0 PID: 0 at arch/x86/kernel/alternative.c:730 apply_returns+0x1c2/0x1e0 <4>[ 0.269996] Modules linked in: <4>[ 0.269996] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.10.218-cip49 #1 <4>[ 0.269996] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 0.269996] RIP: 0010:apply_returns+0x1c2/0x1e0 <4>[ 0.269996] Code: 80 3d c2 19 47 03 00 75 8b 49 89 e8 b9 05 00 00 00 4c 89 fa 48 89 ee 48 c7 c7 80 c3 fc 90 c6 05 a4 19 47 03 01 e8 44 b9 15 01 <0f> 0b e9 63 ff ff ff e8 a2 0f 1e 01 e9 c7 76 15 01 66 66 2e 0f 1f <4>[ 0.269996] RSP: 0000:ffffffff91403e30 EFLAGS: 00010286 <4>[ 0.269996] RAX: 0000000000000000 RBX: ffffffff9202c200 RCX: 0000000000000000 <4>[ 0.269996] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff8e378671 <4>[ 0.269996] RBP: ffffffff90c40b00 R08: 0000000000000001 R09: 0000000000000001 <4>[ 0.269996] R10: ffffffff9148ffc0 R11: 3fffffffffffffff R12: ffffffff92045234 <4>[ 0.269996] R13: ffffffff91403ea8 R14: 0000000000000005 R15: ffffffff90c40b05 <4>[ 0.269996] FS: 0000000000000000(0000) GS:ffff99ef7ac00000(0000) knlGS:0000000000000000 <4>[ 0.269996] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 0.269996] CR2: ffff99ef7efff000 CR3: 000000002c226001 CR4: 00000000003706f0 <4>[ 0.269996] Call Trace: <4>[ 0.269996] ? __warn+0x80/0x110 <4>[ 0.269996] ? apply_returns+0x1c2/0x1e0 <4>[ 0.269996] ? report_bug+0x9e/0xc0 <4>[ 0.269996] ? __warn_printk+0x6c/0x8d <4>[ 0.269996] ? handle_bug+0x41/0x90 <4>[ 0.269996] ? exc_invalid_op+0x14/0x70 <4>[ 0.269996] ? asm_exc_invalid_op+0x12/0x20 <4>[ 0.269996] ? console_unlock+0x4d1/0x5f0 <4>[ 0.269996] ? apply_returns+0x1c2/0x1e0 <4>[ 0.269996] alternative_instructions+0x7d/0x143 <4>[ 0.269996] arch_cpu_finalize_init+0x28/0x47 <4>[ 0.269996] start_kernel+0x4ad/0x557 <4>[ 0.269996] secondary_startup_64_no_verify+0xbe/0xcb <4>[ 0.269996] irq event stamp: 199419 <4>[ 0.269996] hardirqs last enabled at (199427): [] console_unlock+0x4d1/0x5f0 <4>[ 0.269996] hardirqs last disabled at (199434): [] console_unlock+0x444/0x5f0 <4>[ 0.269996] softirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 0.269996] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 0.269996] ---[ end trace 904211b6156a7d2e ]--- <6>[ 0.269996] Freeing SMP alternatives memory: 48K <6>[ 0.269996] pid_max: default: 32768 minimum: 301 <6>[ 0.269996] LSM: Security Framework initializing <6>[ 0.269996] SELinux: Initializing. <6>[ 0.269996] LSM support for eBPF active <6>[ 0.269996] Mount-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) <6>[ 0.269996] Mountpoint-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) <6>[ 0.269996] smpboot: CPU0: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz (family: 0x6, model: 0x8e, stepping: 0x9) <6>[ 0.270688] Performance Events: PEBS fmt3+, Skylake events, 32-deep LBR, full-width counters, Intel PMU driver. <6>[ 0.271012] ... version: 4 <6>[ 0.271391] ... bit width: 48 <6>[ 0.271775] ... generic registers: 4 <6>[ 0.272003] ... value mask: 0000ffffffffffff <6>[ 0.272488] ... max period: 00007fffffffffff <6>[ 0.272972] ... fixed-purpose events: 3 <6>[ 0.273001] ... event mask: 000000070000000f <6>[ 0.274041] rcu: Hierarchical SRCU implementation. <6>[ 0.276701] smp: Bringing up secondary CPUs ... <6>[ 0.277743] x86: Booting SMP configuration: <6>[ 0.278050] .... node #0, CPUs: #1 <4>[ 0.279426] 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>[ 0.280003] 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>[ 0.281617] #2 #3 <6>[ 0.284142] smp: Brought up 1 node, 4 CPUs <6>[ 0.284661] smpboot: Max logical packages: 1 <6>[ 0.285006] smpboot: Total of 4 processors activated (12799.68 BogoMIPS) <6>[ 0.289017] devtmpfs: initialized <6>[ 0.289730] x86/mm: Memory block size: 128MB <6>[ 0.294344] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1911260446275000 ns <6>[ 0.295022] futex hash table entries: 1024 (order: 5, 131072 bytes, linear) <6>[ 0.296208] pinctrl core: initialized pinctrl subsystem <6>[ 0.297898] PM: RTC time: 00:18:05, date: 2024-06-06 <6>[ 0.298716] NET: Registered protocol family 16 <6>[ 0.299915] audit: initializing netlink subsys (disabled) <5>[ 0.300059] audit: type=2000 audit(1717633085.031:1): state=initialized audit_enabled=0 res=1 <6>[ 0.300863] thermal_sys: Registered thermal governor 'step_wise' <6>[ 0.300869] thermal_sys: Registered thermal governor 'user_space' <6>[ 0.301103] cpuidle: using governor menu <6>[ 0.302175] ACPI: bus type PCI registered <6>[ 0.303112] PCI: MMCONFIG for domain 0000 [bus 00-3f] at [mem 0xe0000000-0xe3ffffff] (base 0xe0000000) <6>[ 0.303935] PCI: MMCONFIG at [mem 0xe0000000-0xe3ffffff] reserved in E820 <6>[ 0.304041] PCI: Using configuration type 1 for base access <6>[ 0.343695] Kprobes globally optimized <6>[ 0.344154] HugeTLB registered 1.00 GiB page size, pre-allocated 0 pages <6>[ 0.345010] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages <6>[ 0.346077] cryptomgr_test (39) used greatest stack depth: 15272 bytes left <6>[ 0.346800] cryptomgr_test (38) used greatest stack depth: 14880 bytes left <6>[ 0.350060] ACPI: Added _OSI(Module Device) <6>[ 0.350457] ACPI: Added _OSI(Processor Device) <6>[ 0.350870] ACPI: Added _OSI(3.0 _SCP Extensions) <6>[ 0.351003] ACPI: Added _OSI(Processor Aggregator Device) <6>[ 0.351500] ACPI: Added _OSI(Linux-Dell-Video) <6>[ 0.351914] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio) <6>[ 0.352004] ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics) <6>[ 0.365576] ACPI: 2 ACPI AML tables successfully acquired and loaded <6>[ 0.374302] ACPI: EC: EC started <6>[ 0.374639] ACPI: EC: interrupt blocked <6>[ 0.375804] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62 <6>[ 0.376007] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC used to handle transactions <6>[ 0.376666] ACPI: Interpreter enabled <6>[ 0.377077] ACPI: (supports S0 S3 S4 S5) <6>[ 0.377450] ACPI: Using IOAPIC for interrupt routing <6>[ 0.377988] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug <6>[ 0.396251] ACPI: Power Resource [PRIC] (on) <6>[ 0.526472] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) <6>[ 0.527013] acpi PNP0A08:00: _OSC: OS supports [ExtendedConfig ASPM ClockPM Segments MSI HPX-Type3] <6>[ 0.528135] acpi PNP0A08:00: _OSC: OS now controls [PME PCIeCapability LTR] <6>[ 0.528840] acpi PNP0A08:00: [Firmware Info]: MMCONFIG for domain 0000 [bus 00-3f] only partially covers this bridge <6>[ 0.529685] PCI host bridge to bus 0000:00 <6>[ 0.530007] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] <6>[ 0.530618] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] <6>[ 0.531003] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] <6>[ 0.531671] pci_bus 0000:00: root bus resource [mem 0x000c0000-0x000c3fff window] <6>[ 0.532003] pci_bus 0000:00: root bus resource [mem 0x000c4000-0x000c7fff window] <6>[ 0.532671] pci_bus 0000:00: root bus resource [mem 0x000c8000-0x000cbfff window] <6>[ 0.533003] pci_bus 0000:00: root bus resource [mem 0x000cc000-0x000cffff window] <6>[ 0.533671] pci_bus 0000:00: root bus resource [mem 0x000d0000-0x000d3fff window] <6>[ 0.534003] pci_bus 0000:00: root bus resource [mem 0x000d4000-0x000d7fff window] <6>[ 0.534670] pci_bus 0000:00: root bus resource [mem 0x000d8000-0x000dbfff window] <6>[ 0.535003] pci_bus 0000:00: root bus resource [mem 0x000dc000-0x000dffff window] <6>[ 0.535670] pci_bus 0000:00: root bus resource [mem 0x000e0000-0x000e3fff window] <6>[ 0.536003] pci_bus 0000:00: root bus resource [mem 0x000e4000-0x000e7fff window] <6>[ 0.536670] pci_bus 0000:00: root bus resource [mem 0x000e8000-0x000ebfff window] <6>[ 0.537003] pci_bus 0000:00: root bus resource [mem 0x000ec000-0x000effff window] <6>[ 0.537670] pci_bus 0000:00: root bus resource [mem 0x000f0000-0x000fffff window] <6>[ 0.538003] pci_bus 0000:00: root bus resource [mem 0x80000001-0xdfffffff window] <6>[ 0.538671] pci_bus 0000:00: root bus resource [mem 0x800000000-0xbffffffff window] <6>[ 0.539003] pci_bus 0000:00: root bus resource [mem 0xfd000000-0xfe7fffff window] <6>[ 0.539670] pci_bus 0000:00: root bus resource [mem 0xfed40000-0xfed44fff window] <6>[ 0.540004] pci_bus 0000:00: root bus resource [bus 00-ff] <6>[ 0.540607] pci 0000:00:00.0: [8086:590c] type 00 class 0x060000 <6>[ 0.542163] pci 0000:00:02.0: [8086:591c] type 00 class 0x030000 <6>[ 0.542735] pci 0000:00:02.0: reg 0x10: [mem 0xd0000000-0xd0ffffff 64bit] <6>[ 0.543018] pci 0000:00:02.0: reg 0x18: [mem 0xc0000000-0xcfffffff 64bit pref] <6>[ 0.543673] pci 0000:00:02.0: reg 0x20: [io 0x1c00-0x1c3f] <6>[ 0.544705] pci 0000:00:04.0: [8086:1903] type 00 class 0x118000 <6>[ 0.545030] pci 0000:00:04.0: reg 0x10: [mem 0xd1120000-0xd1127fff 64bit] <6>[ 0.546462] pci 0000:00:08.0: [8086:1911] type 00 class 0x088000 <6>[ 0.547030] pci 0000:00:08.0: reg 0x10: [mem 0xd1130000-0xd1130fff 64bit] <6>[ 0.548368] pci 0000:00:14.0: [8086:9d2f] type 00 class 0x0c0330 <6>[ 0.548943] pci 0000:00:14.0: reg 0x10: [mem 0xd1100000-0xd110ffff 64bit] <6>[ 0.549161] pci 0000:00:14.0: PME# supported from D3hot D3cold <6>[ 0.550544] pci 0000:00:14.2: [8086:9d31] type 00 class 0x118000 <6>[ 0.551043] pci 0000:00:14.2: reg 0x10: [mem 0xd1131000-0xd1131fff 64bit] <6>[ 0.552404] pci 0000:00:15.0: [8086:9d60] type 00 class 0x118000 <6>[ 0.552987] pci 0000:00:15.0: reg 0x10: [mem 0xd1132000-0xd1132fff 64bit] <6>[ 0.553891] pci 0000:00:15.1: [8086:9d61] type 00 class 0x118000 <6>[ 0.554050] pci 0000:00:15.1: reg 0x10: [mem 0xd1133000-0xd1133fff 64bit] <6>[ 0.555584] pci 0000:00:19.0: [8086:9d66] type 00 class 0x118000 <6>[ 0.556052] pci 0000:00:19.0: reg 0x10: [mem 0xfe034000-0xfe034fff 64bit] <6>[ 0.556686] pci 0000:00:19.0: reg 0x18: [mem 0xd1135000-0xd1135fff 64bit] <6>[ 0.557862] pci 0000:00:19.1: [8086:9d65] type 00 class 0x118000 <6>[ 0.558050] pci 0000:00:19.1: reg 0x10: [mem 0xd1136000-0xd1136fff 64bit] <6>[ 0.559576] pci 0000:00:1c.0: [8086:9d10] type 01 class 0x060400 <6>[ 0.560215] pci 0000:00:1c.0: PME# supported from D0 D3hot D3cold <6>[ 0.561599] pci 0000:00:1e.0: [8086:9d27] type 00 class 0x118000 <6>[ 0.562050] pci 0000:00:1e.0: reg 0x10: [mem 0xd1137000-0xd1137fff 64bit] <6>[ 0.563550] pci 0000:00:1e.2: [8086:9d29] type 00 class 0x118000 <6>[ 0.564050] pci 0000:00:1e.2: reg 0x10: [mem 0xd1138000-0xd1138fff 64bit] <6>[ 0.565538] pci 0000:00:1e.4: [8086:9d2b] type 00 class 0x080501 <6>[ 0.566044] pci 0000:00:1e.4: reg 0x10: [mem 0xd1139000-0xd1139fff 64bit] <6>[ 0.567651] pci 0000:00:1e.6: [8086:9d2d] type 00 class 0x080501 <6>[ 0.568045] pci 0000:00:1e.6: reg 0x10: [mem 0xd113a000-0xd113afff 64bit] <6>[ 0.569508] pci 0000:00:1f.0: [8086:9d4b] type 00 class 0x060100 <6>[ 0.570858] pci 0000:00:1f.2: [8086:9d21] type 00 class 0x058000 <6>[ 0.571036] pci 0000:00:1f.2: reg 0x10: [mem 0xd1128000-0xd112bfff] <6>[ 0.572426] pci 0000:00:1f.3: [8086:9d71] type 00 class 0x040100 <6>[ 0.573014] pci 0000:00:1f.3: reg 0x10: [mem 0xd112c000-0xd112ffff 64bit] <6>[ 0.573676] pci 0000:00:1f.3: reg 0x20: [mem 0xd1110000-0xd111ffff 64bit] <6>[ 0.574119] pci 0000:00:1f.3: PME# supported from D3hot D3cold <6>[ 0.575470] pci 0000:00:1f.4: [8086:9d23] type 00 class 0x0c0500 <6>[ 0.576069] pci 0000:00:1f.4: reg 0x10: [mem 0xd113c000-0xd113c0ff 64bit] <6>[ 0.576747] pci 0000:00:1f.4: reg 0x20: [io 0xefa0-0xefbf] <6>[ 0.577797] pci 0000:00:1f.5: [8086:9d24] type 00 class 0x000000 <6>[ 0.578037] pci 0000:00:1f.5: reg 0x10: [mem 0xfe010000-0xfe010fff] <6>[ 0.579808] pci 0000:01:00.0: [8086:095a] type 00 class 0x028000 <6>[ 0.580481] pci 0000:01:00.0: reg 0x10: [mem 0xd1000000-0xd1001fff 64bit] <6>[ 0.582666] pci 0000:01:00.0: PME# supported from D0 D3hot D3cold <6>[ 0.585012] pci 0000:00:1c.0: PCI bridge to [bus 01] <6>[ 0.585482] pci 0000:00:1c.0: bridge window [mem 0xd1000000-0xd10fffff] <6>[ 0.587475] ACPI: PCI Interrupt Link [LNKA] (IRQs 3 4 5 6 10 12 14 15) *11 <6>[ 0.588302] ACPI: PCI Interrupt Link [LNKB] (IRQs 3 4 5 6 *10 12 14 15) <6>[ 0.589226] ACPI: PCI Interrupt Link [LNKC] (IRQs 3 4 5 6 10 12 14 15) *11 <6>[ 0.590173] ACPI: PCI Interrupt Link [LNKD] (IRQs 3 4 5 6 10 12 14 15) *11 <6>[ 0.591119] ACPI: PCI Interrupt Link [LNKE] (IRQs 3 4 5 6 10 12 14 15) *11 <6>[ 0.592060] ACPI: PCI Interrupt Link [LNKF] (IRQs 3 4 5 6 10 12 14 15) *11 <6>[ 0.593007] ACPI: PCI Interrupt Link [LNKG] (IRQs 3 4 5 6 10 12 14 15) *11 <6>[ 0.593949] ACPI: PCI Interrupt Link [LNKH] (IRQs 3 4 5 6 10 12 14 15) *11 <6>[ 0.600844] ACPI: EC: interrupt unblocked <6>[ 0.601002] ACPI: EC: event unblocked <6>[ 0.601362] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62 <6>[ 0.601833] ACPI: EC: GPE=0x6e <6>[ 0.602006] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC initialization complete <6>[ 0.602638] ACPI: \_SB_.PCI0.LPCB.EC0_: EC: Used to handle transactions and events <6>[ 0.603456] iommu: Default domain type: Translated <6>[ 0.604235] pci 0000:00:02.0: vgaarb: setting as boot VGA device <6>[ 0.604654] pci 0000:00:02.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none <6>[ 0.605026] pci 0000:00:02.0: vgaarb: bridge control possible <6>[ 0.605552] vgaarb: loaded <5>[ 0.606472] SCSI subsystem initialized <6>[ 0.608046] ACPI: bus type USB registered <6>[ 0.608564] usbcore: registered new interface driver usbfs <6>[ 0.609071] usbcore: registered new interface driver hub <6>[ 0.609602] usbcore: registered new device driver usb <6>[ 0.610137] mc: Linux media interface: v0.10 <6>[ 0.610572] videodev: Linux video capture interface: v2.00 <6>[ 0.611039] pps_core: LinuxPPS API ver. 1 registered <6>[ 0.611496] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <6>[ 0.612013] PTP clock support registered <6>[ 0.612450] Advanced Linux Sound Architecture Driver Initialized. <6>[ 0.614111] NetLabel: Initializing <6>[ 0.614442] NetLabel: domain hash size = 128 <6>[ 0.614847] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO <6>[ 0.615089] NetLabel: unlabeled traffic allowed by default <6>[ 0.616159] PCI: Using ACPI for IRQ routing <6>[ 0.624827] clocksource: Switched to clocksource tsc-early <5>[ 1.087303] VFS: Disk quotas dquot_6.6.0 <6>[ 1.087749] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) <6>[ 1.088846] pnp: PnP ACPI init <6>[ 1.090034] system 00:00: [mem 0xfed10000-0xfed17fff] has been reserved <6>[ 1.090636] system 00:00: [mem 0xfed18000-0xfed18fff] has been reserved <6>[ 1.091250] system 00:00: [mem 0xfed19000-0xfed19fff] has been reserved <6>[ 1.091859] system 00:00: [mem 0xe0000000-0xe3ffffff] has been reserved <6>[ 1.092457] system 00:00: [mem 0xfed20000-0xfed3ffff] has been reserved <6>[ 1.093067] system 00:00: [mem 0xfed90000-0xfed93fff] could not be reserved <6>[ 1.093705] system 00:00: [mem 0xfed45000-0xfed8ffff] could not be reserved <6>[ 1.094332] system 00:00: [mem 0xff000000-0xffffffff] has been reserved <6>[ 1.094941] system 00:00: [mem 0xfee00000-0xfeefffff] has been reserved <6>[ 1.095537] system 00:00: [mem 0xfed00000-0xfed003ff] has been reserved <6>[ 1.097126] system 00:01: [io 0x1800-0x18fe] has been reserved <6>[ 1.098085] system 00:03: [io 0x0900-0x09fe] has been reserved <6>[ 1.098906] system 00:04: [io 0x0200] has been reserved <6>[ 1.099397] system 00:04: [io 0x0204] has been reserved <6>[ 1.099901] system 00:04: [io 0x0800-0x087f] has been reserved <6>[ 1.100442] system 00:04: [io 0x0880-0x08ff] has been reserved <6>[ 1.103482] pnp: PnP ACPI: found 6 devices <6>[ 1.119618] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns <6>[ 1.120545] NET: Registered protocol family 2 <6>[ 1.121146] IP idents hash table entries: 65536 (order: 7, 524288 bytes, linear) <6>[ 1.123679] tcp_listen_portaddr_hash hash table entries: 2048 (order: 5, 163840 bytes, linear) <6>[ 1.124726] TCP established hash table entries: 32768 (order: 6, 262144 bytes, linear) <6>[ 1.125657] TCP bind hash table entries: 32768 (order: 9, 2359296 bytes, linear) <6>[ 1.128579] TCP: Hash tables configured (established 32768 bind 32768) <6>[ 1.129550] MPTCP token hash table entries: 4096 (order: 6, 360448 bytes, linear) <6>[ 1.130568] UDP hash table entries: 2048 (order: 6, 327680 bytes, linear) <6>[ 1.131503] UDP-Lite hash table entries: 2048 (order: 6, 327680 bytes, linear) <6>[ 1.132609] NET: Registered protocol family 1 <6>[ 1.133854] RPC: Registered named UNIX socket transport module. <6>[ 1.134422] RPC: Registered udp transport module. <6>[ 1.134883] RPC: Registered tcp transport module. <6>[ 1.135321] RPC: Registered tcp NFSv4.1 backchannel transport module. <6>[ 1.136583] NET: Registered protocol family 44 <6>[ 1.137042] pci 0000:00:1c.0: PCI bridge to [bus 01] <6>[ 1.137516] pci 0000:00:1c.0: bridge window [mem 0xd1000000-0xd10fffff] <6>[ 1.138158] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7 window] <6>[ 1.138726] pci_bus 0000:00: resource 5 [io 0x0d00-0xffff window] <6>[ 1.139285] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window] <6>[ 1.139911] pci_bus 0000:00: resource 7 [mem 0x000c0000-0x000c3fff window] <6>[ 1.140528] pci_bus 0000:00: resource 8 [mem 0x000c4000-0x000c7fff window] <6>[ 1.141152] pci_bus 0000:00: resource 9 [mem 0x000c8000-0x000cbfff window] <6>[ 1.141778] pci_bus 0000:00: resource 10 [mem 0x000cc000-0x000cffff window] <6>[ 1.142402] pci_bus 0000:00: resource 11 [mem 0x000d0000-0x000d3fff window] <6>[ 1.143033] pci_bus 0000:00: resource 12 [mem 0x000d4000-0x000d7fff window] <6>[ 1.143657] pci_bus 0000:00: resource 13 [mem 0x000d8000-0x000dbfff window] <6>[ 1.144360] pci_bus 0000:00: resource 14 [mem 0x000dc000-0x000dffff window] <6>[ 1.144996] pci_bus 0000:00: resource 15 [mem 0x000e0000-0x000e3fff window] <6>[ 1.145621] pci_bus 0000:00: resource 16 [mem 0x000e4000-0x000e7fff window] <6>[ 1.146254] pci_bus 0000:00: resource 17 [mem 0x000e8000-0x000ebfff window] <6>[ 1.146887] pci_bus 0000:00: resource 18 [mem 0x000ec000-0x000effff window] <6>[ 1.147511] pci_bus 0000:00: resource 19 [mem 0x000f0000-0x000fffff window] <6>[ 1.148145] pci_bus 0000:00: resource 20 [mem 0x80000001-0xdfffffff window] <6>[ 1.148778] pci_bus 0000:00: resource 21 [mem 0x800000000-0xbffffffff window] <6>[ 1.149414] pci_bus 0000:00: resource 22 [mem 0xfd000000-0xfe7fffff window] <6>[ 1.150048] pci_bus 0000:00: resource 23 [mem 0xfed40000-0xfed44fff window] <6>[ 1.150681] pci_bus 0000:01: resource 1 [mem 0xd1000000-0xd10fffff] <6>[ 1.151770] pci 0000:00:02.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff] <6>[ 1.154614] PCI: CLS 64 bytes, default 64 <6>[ 1.155425] Unpacking initramfs... <6>[ 1.729859] Freeing initrd memory: 12724K <6>[ 1.730322] DMAR: Host address width 39 <6>[ 1.730738] DMAR: DRHD base: 0x000000fed90000 flags: 0x0 <6>[ 1.731297] DMAR: dmar0: reg_base_addr fed90000 ver 1:0 cap 1c0000c40660462 ecap 19e2ff0505e <6>[ 1.732056] DMAR: RMRR base: 0x0000007b800000 end: 0x0000007fffffff <6>[ 1.732625] DMAR: DRHD base: 0x000000fed91000 flags: 0x1 <6>[ 1.733140] DMAR: dmar1: reg_base_addr fed91000 ver 1:0 cap d2008c40660462 ecap f050da <6>[ 1.733965] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) <6>[ 1.734549] software IO TLB: mapped [mem 0x0000000076998000-0x000000007a998000] (64MB) <6>[ 1.735526] RAPL PMU: API unit is 2^-32 Joules, 5 fixed counters, 655360 ms ovfl timer <6>[ 1.736256] RAPL PMU: hw unit of domain pp0-core 2^-14 Joules <6>[ 1.736799] RAPL PMU: hw unit of domain package 2^-14 Joules <6>[ 1.737315] RAPL PMU: hw unit of domain dram 2^-14 Joules <6>[ 1.737817] RAPL PMU: hw unit of domain pp1-gpu 2^-14 Joules <6>[ 1.738332] RAPL PMU: hw unit of domain psys 2^-14 Joules <3>[ 1.740788] kvm: already loaded the other module <6>[ 1.745276] check: Scanning for low memory corruption every 60 seconds <5>[ 1.749361] Initialise system trusted keyrings <6>[ 1.750097] workingset: timestamp_bits=56 max_order=20 bucket_order=0 <5>[ 1.771846] NFS: Registering the id_resolver key type <5>[ 1.772361] Key type id_resolver registered <5>[ 1.772802] Key type id_legacy registered <5>[ 1.795924] Key type asymmetric registered <5>[ 1.796343] Asymmetric key parser 'x509' registered <6>[ 1.796869] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 248) <6>[ 1.797552] io scheduler mq-deadline registered <6>[ 1.797988] io scheduler kyber registered <4>[ 1.798610] test_firmware: interface ready <6>[ 1.800646] pcieport 0000:00:1c.0: PME: Signaling with IRQ 120 <6>[ 1.802625] ACPI: AC Adapter [AC] (on-line) <6>[ 1.803464] input: Lid Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:03/PNP0C09:00/PNP0C0D:00/input/input0 <6>[ 1.805404] ACPI: Lid Switch [LID0] <6>[ 1.806055] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input1 <6>[ 1.807169] ACPI: Power Button [PWRF] <6>[ 1.808041] ACPI: \_PR_.CP00: Found 3 idle states <6>[ 1.809281] ACPI: \_PR_.CP01: Found 3 idle states <6>[ 1.810317] ACPI: \_PR_.CP02: Found 3 idle states <6>[ 1.811409] ACPI: \_PR_.CP03: Found 3 idle states <6>[ 1.813407] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled <4>[ 1.816963] hpet_acpi_add: no address or irqs in _CRS <6>[ 1.817491] battery: ACPI: Battery Slot [BAT0] (battery present) <6>[ 1.817694] Non-volatile memory driver v1.3 <6>[ 1.818629] Linux agpgart interface v0.103 <6>[ 1.819428] ACPI: bus type drm_connector registered <6>[ 1.820062] [drm] amdgpu kernel modesetting enabled. <6>[ 1.823397] i915 0000:00:02.0: vgaarb: deactivate vga console <6>[ 1.878358] i915 0000:00:02.0: vgaarb: changed VGA decodes: olddecodes=io+mem,decodes=io+mem:owns=io+mem <6>[ 1.880179] i915 0000:00:02.0: [drm] Finished loading DMC firmware i915/kbl_dmc_ver1_04.bin (v1.4) <6>[ 1.917873] [drm] Initialized i915 1.6.0 20200917 for 0000:00:02.0 on minor 0 <6>[ 1.921921] [drm] Initialized vgem 1.0.0 20120112 for vgem on minor 1 <6>[ 1.938874] loop: module loaded <6>[ 1.940075] lkdtm: No crash points registered, enable through debugfs <6>[ 1.964941] printk: console [ttyS0] disabled <6>[ 1.965721] dw-apb-uart.2: ttyS0 at MMIO 0xfe034000 (irq = 32, base_baud = 115200) is a 16550A <6>[ 2.797897] tsc: Refined TSC clocksource calibration: 1608.000 MHz <6>[ 2.802864] printk: console [ttyS0] enabled <6>[ 2.812018] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x172daa3a18b, max_idle_ns: 440795212390 ns <6>[ 2.833604] dw-apb-uart.4: ttyS1 at MMIO 0xd1137000 (irq = 20, base_baud = 115200) is a 16550A <6>[ 5.607697] clocksource: Switched to clocksource tsc <6>[ 5.607862] fbcon: i915drmfb (fb0) is primary device <4>[ 5.610512] pxa2xx-spi pxa2xx-spi.5: no DMA channels available, using PIO <6>[ 5.619577] e100: Intel(R) PRO/100 Network Driver <6>[ 5.619581] e100: Copyright(c) 1999-2006 Intel Corporation <6>[ 5.619644] e1000: Intel(R) PRO/1000 Network Driver <6>[ 5.619646] e1000: Copyright (c) 1999-2006 Intel Corporation. <6>[ 5.619794] e1000e: Intel(R) PRO/1000 Network Driver <6>[ 5.619796] e1000e: Copyright(c) 1999 - 2015 Intel Corporation. <6>[ 5.619881] sky2: driver version 1.30 <6>[ 5.620200] usbcore: registered new interface driver r8152 <6>[ 5.620252] usbcore: registered new interface driver asix <6>[ 5.620290] usbcore: registered new interface driver ax88179_178a <6>[ 5.620326] usbcore: registered new interface driver cdc_ether <6>[ 5.620365] usbcore: registered new interface driver net1080 <6>[ 5.620402] usbcore: registered new interface driver cdc_subset <6>[ 5.620438] usbcore: registered new interface driver zaurus <6>[ 5.620497] usbcore: registered new interface driver cdc_ncm <6>[ 5.621138] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver <6>[ 5.621163] ehci-pci: EHCI PCI platform driver <6>[ 5.621267] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver <6>[ 5.621284] ohci-pci: OHCI PCI platform driver <6>[ 5.621345] uhci_hcd: USB Universal Host Controller Interface driver <6>[ 5.621923] tpm_tis_spi spi-PRP0001:00: TPM ready IRQ confirmed on attempt 2 <6>[ 5.622769] xhci_hcd 0000:00:14.0: xHCI Host Controller <6>[ 5.624019] xhci_hcd 0000:00:14.0: new USB bus registered, assigned bus number 1 <6>[ 5.625605] xhci_hcd 0000:00:14.0: hcc params 0x200077c1 hci version 0x100 quirks 0x0000000081109810 <6>[ 5.625683] xhci_hcd 0000:00:14.0: cache line size of 64 is not supported <6>[ 5.628550] xhci_hcd 0000:00:14.0: xHCI Host Controller <6>[ 5.629202] xhci_hcd 0000:00:14.0: new USB bus registered, assigned bus number 2 <6>[ 5.629218] xhci_hcd 0000:00:14.0: Host supports USB 3.0 SuperSpeed <6>[ 5.630075] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.10 <6>[ 5.630158] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1 <6>[ 5.630164] usb usb1: Product: xHCI Host Controller <6>[ 5.630169] usb usb1: Manufacturer: Linux 5.10.218-cip49 xhci-hcd <6>[ 5.630174] usb usb1: SerialNumber: 0000:00:14.0 <6>[ 5.632696] hub 1-0:1.0: USB hub found <6>[ 5.632898] hub 1-0:1.0: 12 ports detected <6>[ 5.636898] usb usb2: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.10 <6>[ 5.636903] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1 <6>[ 5.636907] usb usb2: Product: xHCI Host Controller <6>[ 5.636910] usb usb2: Manufacturer: Linux 5.10.218-cip49 xhci-hcd <6>[ 5.636914] usb usb2: SerialNumber: 0000:00:14.0 <6>[ 5.637792] hub 2-0:1.0: USB hub found <6>[ 5.637845] hub 2-0:1.0: 6 ports detected <6>[ 5.639578] Console: switching to colour frame buffer device 240x67 <6>[ 5.639790] usbcore: registered new interface driver usblp <6>[ 5.639887] usbcore: registered new interface driver usb-storage <6>[ 5.640549] udc-core: couldn't find an available UDC - added [g_ether] to list of pending drivers <6>[ 5.640735] i8042: PNP: PS/2 Controller [PNP0303:PS2K] at 0x60,0x64 irq 1 <4>[ 5.640738] i8042: PNP: PS/2 appears to have AUX port disabled, if this is incorrect please boot with i8042.nopnp <4>[ 5.641428] i8042: Warning: Keylock active <6>[ 5.641712] serio: i8042 KBD port at 0x60,0x64 irq 1 <6>[ 5.644114] rtc_cmos 00:02: RTC can wake from S4 <6>[ 5.645974] tpm_tis_spi spi-PRP0001:00: 2.0 TPM (device-id 0x28, rev-id 0) <6>[ 5.646841] input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input2 <6>[ 5.647079] rtc_cmos 00:02: registered as rtc0 <6>[ 5.647451] rtc_cmos 00:02: alarms up to one month, 242 bytes nvram <6>[ 5.649102] i801_smbus 0000:00:1f.4: SPD Write Disable is set <6>[ 5.649174] i801_smbus 0000:00:1f.4: SMBus using PCI interrupt <6>[ 5.650811] i2c i2c-9: 2/2 memory slots populated (from DMI) <6>[ 5.653216] device-mapper: ioctl: 4.43.0-ioctl (2020-10-01) initialised: dm-devel@redhat.com <6>[ 5.653267] intel_pstate: Intel P-state driver initializing <6>[ 5.654673] intel_pstate: HWP enabled <6>[ 5.654714] sdhci: Secure Digital Host Controller Interface driver <6>[ 5.654715] sdhci: Copyright(c) Pierre Ossman <6>[ 5.654753] sdhci-pci 0000:00:1e.4: SDHCI controller found [8086:9d2b] (rev 21) <6>[ 5.656070] mmc0: SDHCI controller on PCI [0000:00:1e.4] using ADMA 64-bit <6>[ 5.661711] i915 0000:00:02.0: [drm] fb0: i915drmfb frame buffer device <6>[ 5.881723] usb 1-3: new full-speed USB device number 2 using xhci_hcd <6>[ 5.885752] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 6.019994] usb 1-3: New USB device found, idVendor=8087, idProduct=0a2a, bcdDevice= 0.03 <6>[ 6.022062] hid: raw HID events driver (C) Jiri Kosina <6>[ 6.025722] usb 1-3: New USB device strings: Mfr=0, Product=0, SerialNumber=0 <6>[ 6.136752] usb 2-3: new SuperSpeed Gen 1 USB device number 2 using xhci_hcd <6>[ 6.142850] usbcore: registered new interface driver usbhid <6>[ 6.162534] usb 2-3: New USB device found, idVendor=0bda, idProduct=8153, bcdDevice=31.00 <6>[ 6.165555] usbhid: USB HID core driver <6>[ 6.173811] usb 2-3: New USB device strings: Mfr=1, Product=2, SerialNumber=6 <6>[ 6.173814] usb 2-3: Product: USB 10/100/1000 LAN <6>[ 6.173816] usb 2-3: Manufacturer: Realtek <6>[ 6.173818] usb 2-3: SerialNumber: 001000001 <6>[ 6.227758] input: Tablet Mode Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:03/PNP0C09:00/GOOG0006:00/input/input3 <6>[ 6.247341] cros_ec_lpcs GOOG0004:00: Chrome EC device registered <6>[ 6.255272] snd_hda_intel 0000:00:1f.3: DSP detected with PCI class/subclass/prog-if info 0x040100 <6>[ 6.266454] netem: version 1.3 <6>[ 6.270324] ipip: IPv4 and MPLS over IPv4 tunneling driver <6>[ 6.276721] usb 1-9: new high-speed USB device number 3 using xhci_hcd <6>[ 6.277105] IPv4 over IPsec tunneling driver <6>[ 6.289770] Initializing XFRM netlink socket <6>[ 6.295325] NET: Registered protocol family 10 <6>[ 6.302742] Segment Routing with IPv6 <6>[ 6.308553] NET: Registered protocol family 17 <6>[ 6.314287] 8021q: 802.1Q VLAN Support v1.8 <5>[ 6.319373] Key type dns_resolver registered <6>[ 6.325279] microcode: sig=0x806e9, pf=0x10, revision=0x98 <6>[ 6.331815] microcode: Microcode Update Driver: v2.2. <6>[ 6.331821] IPI shorthand broadcast: enabled <6>[ 6.342912] sched_clock: Marking stable (6257164000, 85660311)->(6481531418, -138707107) <6>[ 6.350529] tpm_tis_spi spi-PRP0001:00: Cr50 firmware version: B2-C:0 RO_A:0.0.10/29d77172 RW_B:0.3.15/cr50_v1.9308_87_mp.224-6 <6>[ 6.365706] registered taskstats version 1 <6>[ 6.370188] snd_hda_intel 0000:00:1f.3: bound 0000:00:02.0 (ops i915_audio_component_bind_ops) <5>[ 6.370689] Loading compiled-in X.509 certificates <6>[ 6.386586] mmc0: new HS400 MMC card at address 0001 <6>[ 6.387965] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 6.393119] mmcblk0: mmc0:0001 DA4064 58.2 GiB <6>[ 6.402485] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 6.406543] mmcblk0boot0: mmc0:0001 DA4064 partition 1 4.00 MiB <3>[ 6.416047] snd_hda_intel 0000:00:1f.3: Cannot probe codecs, giving up <6>[ 6.416269] PM: Magic number: 12:716:303 <6>[ 6.416327] tty tty32: hash matches <6>[ 6.421997] mmcblk0boot1: mmc0:0001 DA4064 partition 2 4.00 MiB <6>[ 6.441351] usb 1-9: New USB device found, idVendor=13d3, idProduct=56d4, bcdDevice=18.07 <6>[ 6.445710] mmcblk0rpmb: mmc0:0001 DA4064 partition 3 16.0 MiB, chardev (245:0) <6>[ 6.454995] usb 1-9: New USB device strings: Mfr=3, Product=1, SerialNumber=2 <6>[ 6.454998] usb 1-9: Product: USB2.0 HD UVC WebCam <6>[ 6.477467] usb 1-9: Manufacturer: Azurewave <6>[ 6.477469] usb 1-9: SerialNumber: 0x0001 <6>[ 6.480260] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 6.482636] printk: console [netcon0] enabled <6>[ 6.501022] netconsole: network logging started <6>[ 6.512407] mmcblk0: p1 p2 p3 p4 p5 p6 p7 p8 p9 p10 p11 p12 <6>[ 6.522322] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 6.529299] usb 2-3: reset SuperSpeed Gen 1 USB device number 2 using xhci_hcd <6>[ 6.575686] r8152 2-3:1.0: load rtl8153b-2 v2 04/27/23 successfully <6>[ 6.610834] r8152 2-3:1.0 eth0: v1.11.11 <6>[ 6.615981] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 8.223019] r8152 2-3:1.0 eth0: carrier on <6>[ 8.224845] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready <5>[ 8.236798] Sending DHCP requests .., OK <6>[ 10.921599] IP-Config: Got DHCP answer from 192.168.201.1, my address is 192.168.201.15 <6>[ 10.930875] IP-Config: Complete: <6>[ 10.934811] device=eth0, hwaddr=00:e0:4c:68:04:98, ipaddr=192.168.201.15, mask=255.255.255.0, gw=192.168.201.1 <6>[ 10.946789] host=asus-c433ta-aj0005-rammus-cbg-4, domain=lava-rack, nis-domain=(none) <6>[ 10.956331] bootserver=192.168.201.1, rootserver=192.168.201.1, rootpath= <6>[ 10.956334] nameserver0=192.168.201.1 <5>[ 10.969726] cfg80211: Loading compiled-in X.509 certificates for regulatory database <6>[ 10.981722] modprobe (99) used greatest stack depth: 13936 bytes left <5>[ 10.985007] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7' <5>[ 10.997061] cfg80211: Loaded X.509 cert 'wens: 61c038651aabdcf94bd0ac7ff06c7248db18c600' <4>[ 11.006621] platform regulatory.0: Direct firmware load for regulatory.db failed with error -2 <6>[ 11.006729] clk: Disabling unused clocks <6>[ 11.016632] cfg80211: failed to load regulatory.db <6>[ 11.021304] ALSA device list: <6>[ 11.030544] No soundcards found. <4>[ 11.035062] dw-apb-uart dw-apb-uart.2: forbid DMA for kernel console <6>[ 11.044959] Freeing unused kernel image (initmem) memory: 2164K <6>[ 11.062970] Write protecting the kernel read-only data: 51200k <6>[ 11.070725] Freeing unused kernel image (text/rodata gap) memory: 2028K <6>[ 11.078940] Freeing unused kernel image (rodata/data gap) memory: 2020K <6>[ 11.086748] Run /init as init process Loading, please wait... <6>[ 11.102611] cat (121) used greatest stack depth: 13888 bytes left Starting systemd-udevd version 252.22-1~deb12u1 <6>[ 11.110306] systemd-udevd (125) used greatest stack depth: 13816 bytes left <6>[ 11.176822] udevadm (127) used greatest stack depth: 13624 bytes left <6>[ 11.344026] chromeos ramoops using acpi device. <6>[ 11.344547] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 11.362077] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <4>[ 11.376785] cros-usbpd-notify-acpi GOOG0003:00: Couldn't get Chrome EC device pointer. <6>[ 11.386478] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 11.397937] mmc1: SDHCI controller on PCI [0000:00:1e.6] using ADMA 64-bit <6>[ 11.398213] udevadm (144) used greatest stack depth: 13600 bytes left <4>[ 11.407640] i2c_hid i2c-PNP0C50:00: supply vdd not found, using dummy regulator <6>[ 11.426659] idma64 idma64.0: Found Intel integrated DMA 64-bit <4>[ 11.427012] i2c_hid i2c-PNP0C50:00: supply vddl not found, using dummy regulator <6>[ 11.445755] Intel(R) Wireless WiFi driver for Linux <6>[ 11.446280] idma64 idma64.1: Found Intel integrated DMA 64-bit <6>[ 11.461322] iwlwifi 0000:01:00.0: Found debug destination: EXTERNAL_DRAM <6>[ 11.469169] iwlwifi 0000:01:00.0: Found debug configuration: 0 <6>[ 11.475931] idma64 idma64.4: Found Intel integrated DMA 64-bit <6>[ 11.476702] iwlwifi 0000:01:00.0: loaded firmware version 29.4063824552.0 7265D-29.ucode op_mode iwlmvm <6>[ 11.494970] idma64 idma64.5: Found Intel integrated DMA 64-bit <6>[ 11.504382] iwlwifi 0000:01:00.0: Detected Intel(R) Dual Band Wireless AC 7265, REV=0x210 <6>[ 11.527954] iwlwifi 0000:01:00.0: Applying debug destination EXTERNAL_DRAM <6>[ 11.536238] iwlwifi 0000:01:00.0: Allocated 0x00400000 bytes for firmware monitor. <6>[ 11.554427] iwlwifi 0000:01:00.0: base HW address: 14:f6:d8:59:61:8b <6>[ 11.583643] Registered efivars operations <6>[ 11.588541] gsmi version 1.0 loaded <6>[ 11.612076] 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>[ 11.629295] hid-generic 0018:0457:157E.0001: input,hidraw0: I2C HID v1.00 Device [PNP0C50:00 0457:157E] on i2c-PNP0C50:00 <6>[ 11.644553] intel_pmc_core intel_pmc_core.0: initialized <4>[ 11.646741] thermal thermal_zone7: failed to read out thermal zone (-61) <6>[ 11.659205] proc_thermal 0000:00:04.0: Creating sysfs group for PROC_THERMAL_PCI <4>[ 11.667941] da7219 i2c-DLGS7219:00: Using default DAI clk names: da7219-dai-wclk, da7219-dai-bclk <6>[ 11.667998] max98927 i2c-MX98927:00: MAX98927 revisionID: 0x42 <6>[ 11.686163] max98927 i2c-MX98927:01: MAX98927 revisionID: 0x42 <6>[ 11.698151] iwlwifi 0000:01:00.0 wlp1s0: renamed from wlan0 <6>[ 11.706880] iTCO_wdt: Intel TCO WatchDog Timer Driver v1.11 <6>[ 11.707966] uvcvideo: Found UVC 1.00 device USB2.0 HD UVC WebCam (13d3:56d4) <6>[ 11.713604] iTCO_wdt: Found a Intel PCH TCO device (Version=4, TCOBASE=0x0400) <6>[ 11.731476] iTCO_wdt: initialized. heartbeat=30 sec (nowayout=0) <6>[ 11.731487] Bluetooth: Core ver 2.22 <6>[ 11.742841] 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 <6>[ 11.744222] usbcore: registered new interface driver uvcvideo <6>[ 11.755308] NET: Registered protocol family 31 <6>[ 11.761727] USB Video Class driver (1.1.1) <6>[ 11.771880] Bluetooth: HCI device and connection manager initialized <6>[ 11.779345] Bluetooth: HCI socket layer initialized <6>[ 11.785226] Bluetooth: L2CAP socket layer initialized <6>[ 11.791425] Bluetooth: SCO socket layer initialized <6>[ 11.801026] usbcore: registered new interface driver btusb <6>[ 11.810626] Bluetooth: hci0: read Intel version: 370810225019140f00 <4>[ 11.818127] bluetooth hci0: Direct firmware load for intel/ibt-hw-37.8.10-fw-22.50.19.14.f.bseq failed with error -2 <3>[ 11.830210] Bluetooth: hci0: failed to open Intel firmware file: intel/ibt-hw-37.8.10-fw-22.50.19.14.f.bseq (-2) <4>[ 11.841934] bluetooth hci0: Direct firmware load for intel/ibt-hw-37.8.bseq failed with error -2 <3>[ 11.852064] 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: eth0 hardware address 00:e0:4c:68:04:98 mtu 1500 DHCP IP-Config: wlp1s0 hardware address 14:f6:d8:59:61:8b mtu 1500 DHCP <6>[ 11.920761] iwlwifi 0000:01:00.0: Applying debug destination EXTERNAL_DRAM <6>[ 12.011770] iwlwifi 0000:01:00.0: Applying debug destination EXTERNAL_DRAM <6>[ 12.021797] iwlwifi 0000:01:00.0: FW already configured (0) - re-configuring IP-Config: eth0 complete (dhcp from 192.168.201.1): address: 192.168.201.15 broadcast: 192.168.201.255 netmask: 255.255.255.0 gateway: 192.168.201.1 dns0 : 192.168.201.1 dn<6>[ 12.069073] ipconfig (183) used greatest stack depth: 12816 bytes left s1 : 0.0.0.0 host : asus-c433ta-aj0005-rammus-cbg-4 domain : lava-rack rootserver: 192.168.201.1 rootpath: filename : <6>[ 12.186700] nfsmount (184) used greatest stack depth: 12512 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>[ 13.570708] 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>[ 13.607800] systemd[1]: Detected architecture x86-64. Welcome to Debian GNU/Linux 12 (bookworm)! <30>[ 13.632385] systemd[1]: Hostname set to . <30>[ 14.158018] systemd[1]: Queued start job for default target graphical.target. <30>[ 14.168481] systemd[1]: Created slice system-getty.slice - Slice /system/getty. [ OK ] Created slice system-getty.slice - Slice /system/getty. <30>[ 14.187450] systemd[1]: Created slice system-modprobe.slice - Slice /system/modprobe. [ OK ] Created slice system-modpr…lice - Slice /system/modprobe. <30>[ 14.207477] systemd[1]: Created slice system-serial\x2dgetty.slice - Slice /system/serial-getty. [ OK ] Created slice system-seria… - Slice /system/serial-getty. <30>[ 14.230372] systemd[1]: Created slice user.slice - User and Session Slice. [ OK ] Created slice user.slice - User and Session Slice. <30>[ 14.248235] 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>[ 14.273200] 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>[ 14.298960] 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>[ 14.326040] systemd[1]: Expecting device dev-ttyS0.device - /dev/ttyS0... Expecting device dev-ttyS0.device - /dev/ttyS0... <30>[ 14.344011] systemd[1]: Reached target cryptsetup.target - Local Encrypted Volumes. [ OK ] Reached target cryptsetup.…get - Local Encrypted Volumes. <30>[ 14.364949] systemd[1]: Reached target integritysetup.target - Local Integrity Protected Volumes. [ OK ] Reached target integrityse…Local Integrity Protected Volumes. <30>[ 14.388048] systemd[1]: Reached target paths.target - Path Units. [ OK ] Reached target paths.target - Path Units. <30>[ 14.405032] systemd[1]: Reached target remote-fs.target - Remote File Systems. [ OK ] Reached target remote-fs.target - Remote File Systems. <30>[ 14.423019] systemd[1]: Reached target slices.target - Slice Units. [ OK ] Reached target slices.target - Slice Units. <30>[ 14.440048] systemd[1]: Reached target swap.target - Swaps. [ OK ] Reached target swap.target - Swaps. <30>[ 14.456041] systemd[1]: Reached target veritysetup.target - Local Verity Protected Volumes. [ OK ] Reached target veritysetup… - Local Verity Protected Volumes. <30>[ 14.478278] systemd[1]: Listening on systemd-initctl.socket - initctl Compatibility Named Pipe. [ OK ] Listening on systemd-initc… initctl Compatibility Named Pipe. <30>[ 14.502828] systemd[1]: Listening on systemd-journald-audit.socket - Journal Audit Socket. [ OK ] Listening on systemd-journ…socket - Journal Audit Socket. <30>[ 14.523079] systemd[1]: Listening on systemd-journald-dev-log.socket - Journal Socket (/dev/log). [ OK ] Listening on systemd-journ…t - Journal Socket (/dev/log). <30>[ 14.546429] systemd[1]: Listening on systemd-journald.socket - Journal Socket. [ OK ] Listening on systemd-journald.socket - Journal Socket. <30>[ 14.567939] systemd[1]: Listening on systemd-networkd.socket - Network Service Netlink Socket. [ OK ] Listening on systemd-netwo… - Network Service Netlink Socket. <30>[ 14.592698] systemd[1]: Listening on systemd-udevd-control.socket - udev Control Socket. [ OK ] Listening on systemd-udevd….socket - udev Control Socket. <30>[ 14.612335] systemd[1]: Listening on systemd-udevd-kernel.socket - udev Kernel Socket. [ OK ] Listening on systemd-udevd…l.socket - udev Kernel Socket. <30>[ 14.635787] systemd[1]: Mounting dev-hugepages.mount - Huge Pages File System... Mounting dev-hugepages.mount - Huge Pages File System... <30>[ 14.656722] systemd[1]: Mounting dev-mqueue.mount - POSIX Message Queue File System... Mounting dev-mqueue.mount…POSIX Message Queue File System... <30>[ 14.676697] systemd[1]: Mounting sys-kernel-debug.mount - Kernel Debug File System... Mounting sys-kernel-debug.… - Kernel Debug File System... <30>[ 14.697685] systemd[1]: Mounting sys-kernel-tracing.mount - Kernel Trace File System... Mounting sys-kernel-tracin… - Kernel Trace File System... <30>[ 14.720947] systemd[1]: Starting kmod-static-nodes.service - Create List of Static Device Nodes... Starting kmod-static-nodes…ate List of Static Device Nodes... <30>[ 14.742756] systemd[1]: Starting modprobe@configfs.service - Load Kernel Module configfs... Starting modprobe@configfs…m - Load Kernel Module configfs... <30>[ 14.764783] systemd[1]: Starting modprobe@dm_mod.service - Load Kernel Module dm_mod... Starting modprobe@dm_mod.s…[0m - Load Kernel Module dm_mod... <30>[ 14.786739] systemd[1]: Starting modprobe@drm.service - Load Kernel Module drm... Starting modprobe@drm.service - Load Kernel Module drm... <30>[ 14.806772] systemd[1]: Starting modprobe@efi_pstore.service - Load Kernel Module efi_pstore... Starting modprobe@efi_psto…- Load Kernel Module efi_pstore... <30>[ 14.828802] systemd[1]: Starting modprobe@fuse.service - Load Kernel Module fuse... Starting modprobe@fuse.ser…e - Load Kernel Module fuse... <30>[ 14.849867] systemd[1]: Starting modprobe@loop.service - Load Kernel Module loop... Starting modprobe@loop.ser…e - Load Kernel Module loop... <30>[ 14.874015] systemd[1]: Starting systemd-journald.service - Journal Service... Starting systemd-journald.service - Journa<6>[ 14.885633] fuse: init (API version 7.32) l Service... <30>[ 14.901629] systemd[1]: Starting systemd-modules-load.service - Load Kernel Modules... Starting systemd-modules-l…rvice - Load Kernel Modules... <30>[ 14.921442] systemd[1]: Starting systemd-network-generator.service - Generate network units from Kernel command line... Starting systemd-network-g… units from Kernel command line... <30>[ 14.944598] systemd[1]: Starting systemd-remount-fs.service - Remount Root and Kernel File Systems... Starting systemd-remount-f…nt Root and Kernel File Systems... <30>[ 14.966413] systemd[1]: Starting systemd-udev-trigger.service - Coldplug All udev Devices... Starting systemd-udev-trig…[0m - Coldplug All udev Devices... <30>[ 14.990003] systemd[1]: Mounted dev-hugepages.mount - Huge Pages File System. [ OK ] Mounted dev-hugepages.mount - Huge Pages File System. <30>[ 15.010083] systemd[1]: Mounted dev-mqueue.mount - POSIX Message Queue File System. [ OK ] Mounted dev-mqueue.mount[…- POSIX Message Queue File System. <30>[ 15.031048] systemd[1]: Mounted sys-kernel-debug.mount - Kernel Debug File System. [ OK ] Mounted sys-kernel-debug.m…nt - Kernel Debug File System. <30>[ 15.052038] systemd[1]: Mounted sys-kernel-tracing.mount - Kernel Trace File System. [ OK ] Mounted sys-kernel-tracing…nt - Kernel Trace File System. <30>[ 15.071096] systemd[1]: Started systemd-journald.service - Journal Service. [ OK ] Started systemd-journald.service - Journal Service. [ 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>[ 15.293302] systemd-journald[223]: 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.… Kerne<6>[ 15.333541] systemd-sysctl (232) used greatest stack depth: 12368 bytes left l 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... [ 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... Starting systemd-rfkill.se…Load/Save RF Kill Switch Status... [ OK ] Finished systemd-backlight…s of leds:chromeos::kbd_backlight. [ OK ] Started systemd-networkd.service - Network Configuration. [ OK ] Finished systemd-backlight…ness of backlight:intel_backlight. [ OK ] Reached target network.target - Network. [ OK ] Started systemd-rfkill.ser…- Load/Save RF Kill Switch Status. [ OK ] Started systemd-timesyncd.…0m - Network Time Synchronization. [ 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 5.10.218-cip49 #1 SMP Thu Jun 6 00:06:45 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/14191719/extract-nfsrootfs-rgsmaosn' export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/14191719/extract-nfsrootfs-rgsmaosn' / # 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-14191719/environment . /lava-14191719/environment / # /lava-14191719/bin/lava-test-runner /lava-14191719/0 /lava-14191719/bin/lava-test-runner /lava-14191719/0 + export TESTRUN_ID=0_timesync-off + TESTRUN_ID=0_timesync-off + cd /lava-14191719/0/tests/0_timesync-off ++ cat uuid + UUID=14191719_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-14191719/0/tests/1_kselftest-lkdtm ++ cat uuid + UUID=14191719_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/v5.10.218-cip49/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 --2024-06-06 00:18:26-- http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.218-cip49/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: 3556028 (3.4M) [application/octet-stream] Saving to: 'kselftest_armhf.tar.gz' kselftest_armhf.tar 0%[ ] 0 --.-KB/s kselftest_armhf.tar 1%[ ] 49.22K 197KB/s kselftest_armhf.tar 6%[> ] 218.91K 439KB/s kselftest_armhf.tar 22%[===> ] 798.67K 1004KB/s kselftest_armhf.tar 56%[==========> ] 1.91M 1.91MB/s kselftest_armhf.tar 89%[================> ] 3.04M 2.43MB/s kselftest_armhf.tar 100%[===================>] 3.39M 2.62MB/s in 1.3s 2024-06-06 00:18:27 (2.62 MB/s) - 'kselftest_armhf.tar.gz' saved [3556028/3556028] 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 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 <12>[ 32.796469] kselftest: Running tests in lkdtm 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>[ 33.404307] lkdtm: Performing direct entry BUG <4>[ 33.409681] ------------[ cut here ]------------ <2>[ 33.415148] kernel BUG at drivers/misc/lkdtm/bugs.c:76! <4>[ 33.421303] invalid opcode: 0000 [#1] SMP PTI <4>[ 33.426464] CPU: 2 PID: 665 Comm: cat Tainted: G W 5.10.218-cip49 #1 <4>[ 33.435306] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 33.442403] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 33.447076] Code: 89 ff e8 de ab 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 e0 0b eb 03 <4>[ 33.468347] RSP: 0018:ffffa6d80145be60 EFLAGS: 00010282 <4>[ 33.474462] RAX: ffffffff8ed80270 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 33.482722] RDX: 0000000000000000 RSI: ffff99ef7ad1bf50 RDI: ffffffff90c40670 <4>[ 33.490982] RBP: ffffffff91136f98 R08: 0000000000000001 R09: 0000000000000001 <4>[ 33.499242] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 33.507504] R13: ffffa6d80145bf10 R14: ffffa6d80145bf10 R15: ffff99ef026f4000 <4>[ 33.515756] FS: 00007f8600835740(0000) GS:ffff99ef7ad00000(0000) knlGS:0000000000000000 <4>[ 33.525086] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 33.531784] CR2: 00007f8600814000 CR3: 0000000106326002 CR4: 00000000003706e0 <4>[ 33.540035] Call Trace: <4>[ 33.543055] ? __die_body.cold+0x1a/0x1f <4>[ 33.547725] ? die+0x2b/0x50 <4>[ 33.551234] ? do_trap+0x91/0x110 <4>[ 33.555223] ? lkdtm_BUG+0x5/0x10 <4>[ 33.559213] ? do_error_trap+0x90/0x110 <4>[ 33.563784] ? lkdtm_BUG+0x5/0x10 <4>[ 33.567764] ? lkdtm_BUG+0x5/0x10 <4>[ 33.571761] ? exc_invalid_op+0x4e/0x70 <4>[ 33.576332] ? lkdtm_BUG+0x5/0x10 <4>[ 33.580321] ? asm_exc_invalid_op+0x12/0x20 <4>[ 33.585282] ? direct_entry+0xe0/0xe0 <4>[ 33.589661] ? lkdtm_BUG+0x5/0x10 <4>[ 33.593652] direct_entry.cold+0x2c/0x38 <4>[ 33.598323] full_proxy_write+0x53/0x80 <4>[ 33.602893] vfs_write+0xe7/0x3b0 <4>[ 33.606884] ksys_write+0x68/0xf0 <4>[ 33.610873] do_syscall_64+0x30/0x40 <4>[ 33.615155] entry_SYSCALL_64_after_hwframe+0x67/0xd1 <4>[ 33.621086] RIP: 0033:0x7f8600930240 <4>[ 33.625367] 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>[ 33.646633] RSP: 002b:00007ffe697e2a98 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 <4>[ 33.655381] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f8600930240 <4>[ 33.663633] RDX: 0000000000000004 RSI: 00007f8600814000 RDI: 0000000000000001 <4>[ 33.671894] RBP: 0000000000000004 R08: 00000000ffffffff R09: 0000000000000000 <4>[ 33.680154] R10: 00007f86008514d0 R11: 0000000000000202 R12: 00007f8600814000 <4>[ 33.688415] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 <4>[ 33.696699] Modules linked in: fuse ip_tables cros_ec_lid_angle btusb btrtl btbcm btintel cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio iTCO_wdt cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs bluetooth cros_usbpd_logger cros_ec_chardev cros_usbpd_charger uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 watchdog cros_ec_sensorhub ecdh_generic intel_pmc_core_pltdrv snd_soc_max98927 snd_soc_da7219 intel_pmc_core processor_thermal_device gsmi iwlmvm cros_ec_dev x86_pkg_temp_thermal intel_pmc_bxt iwlwifi snd_soc_core idma64 videobuf2_common ecc intel_soc_dts_iosf snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify pinctrl_sunrisepoint int3403_thermal int340x_thermal_zone int3400_thermal chromeos_pstore acpi_thermal_rel cros_kbd_led_backlight coreboot_table <0>[ 33.780158] gsmi: Log Shutdown Reason 0x03 <4>[ 33.785057] ---[ end trace 904211b6156a7d30 ]--- <4>[ 33.790516] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 33.795195] Code: 89 ff e8 de ab 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 e0 0b eb 03 <4>[ 33.816479] RSP: 0018:ffffa6d80145be60 EFLAGS: 00010282 <4>[ 33.822615] RAX: ffffffff8ed80270 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 33.830884] RDX: 0000000000000000 RSI: ffff99ef7ad1bf50 RDI: ffffffff90c40670 <4>[ 33.839155] RBP: ffffffff91136f98 R08: 0000000000000001 R09: 0000000000000001 <4>[ 33.847425] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 33.855720] R13: ffffa6d80145bf10 R14: ffffa6d80145bf10 R15: ffff99ef026f4000 <4>[ 33.863989] FS: 00007f8600835740(0000) GS:ffff99ef7ad00000(0000) knlGS:0000000000000000 <4>[ 33.873350] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 33.880088] CR2: 00007f8600814000 CR3: 0000000106326002 CR4: 00000000003706e0 # Segmentation fault # [ 33.404307] lkdtm: Performing direct entry BUG # [ 33.409681] ------------[ cut here ]------------ # [ 33.415148] kernel BUG at drivers/misc/lkdtm/bugs.c:76! # [ 33.421303] invalid opcode: 0000 [#1] SMP PTI # [ 33.426464] CPU: 2 PID: 665 Comm: cat Tainted: G W 5.10.218-cip49 #1 # [ 33.435306] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 33.442403] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 33.447076] Code: 89 ff e8 de ab 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 e0 0b eb 03 # [ 33.468347] RSP: 0018:ffffa6d80145be60 EFLAGS: 00010282 #<6>[ 33.970208] lkdtm: Performing direct entry WARNING <4>[ 33.980393] ------------[ cut here ]------------ <4>[ 33.985872] WARNING: CPU: 3 PID: 703 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x13/0x20 [ 33.474462] RAX: ffffffff8ed80270 RBX: 0000000000000001 RCX:<4>[ 33.995605] Modules linked in: fuse ip_tables cros_ec_lid_angle btusb btrtl btbcm btintel cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio iTCO_wdt cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs bluetooth cros_usbpd_logger cros_ec_chardev cros_usbpd_charger uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 watchdog cros_ec_sensorhub ecdh_generic intel_pmc_core_pltdrv snd_soc_max98927 snd_soc_da7219 intel_pmc_core processor_thermal_device gsmi iwlmvm cros_ec_dev x86_pkg_temp_thermal intel_pmc_bxt iwlwifi snd_soc_core idma64 videobuf2_common ecc intel_soc_dts_iosf snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify pinctrl_sunrisepoint int3403_thermal int340x_thermal_zone int3400_thermal chromeos_pstore acpi_thermal_rel cros_kbd_led_backlight coreboot_table <4>[ 34.083312] CPU: 3 PID: 703 Comm: cat Tainted: G D W 5.10.218-cip49 #1 0000000000000000 # [ 33.482722] RDX: 0000000000000000 RSI: f<4>[ 34.092194] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 34.105510] RIP: 0010:lkdtm_WARNING+0x13/0x20 fff99ef7ad1bf50 RDI: ffffffff90c40670 # [ 33.490982] RBP: fff<4>[ 34.110699] 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 e0 0b 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 c1 0b <4>[ 34.138194] RSP: 0018:ffffa6d8014f3e60 EFLAGS: 00010202 fffff91136f98 R08: 0000000000000001 R09: 0000000000000001 # [ <4>[ 34.144352] RAX: ffffffff8ed80280 RBX: 0000000000000002 RCX: 0000000000000000 <4>[ 34.158826] RDX: 0000000000000000 RSI: ffff99ef7ad9bf50 RDI: ffffffff90c40680 <4>[ 34.167136] RBP: ffffffff910d00b7 R08: 0000000000000000 R09: 0000000000000000 33.499242] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000<4>[ 34.175416] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000008 <4>[ 34.189884] R13: ffffa6d8014f3f10 R14: ffffa6d8014f3f10 R15: ffff99ef0594d000 <4>[ 34.198149] FS: 00007fd9061c2740(0000) GS:ffff99ef7ad80000(0000) knlGS:0000000000000000 <4>[ 34.207482] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 34.214192] CR2: 00007fd9061a1000 CR3: 0000000103992004 CR4: 00000000003706e0 <4>[ 34.222457] Call Trace: <4>[ 34.225500] ? __warn+0x80/0x110 0000000000004 # [ 33.507504] R13: ffffa6d80145bf10 R14: ffffa<4>[ 34.229405] ? lkdtm_WARNING+0x13/0x20 <4>[ 34.240092] ? report_bug+0x9e/0xc0 <4>[ 34.244304] ? handle_bug+0x41/0x90 <4>[ 34.248521] ? exc_invalid_op+0x14/0x70 <4>[ 34.253096] ? asm_exc_invalid_op+0x12/0x20 <4>[ 34.258062] ? lkdtm_BUG+0x10/0x10 <4>[ 34.262182] ? lkdtm_WARNING+0x13/0x20 <4>[ 34.266687] direct_entry.cold+0x2c/0x38 <4>[ 34.271388] full_proxy_write+0x53/0x80 6d80145bf10 R15: ffff99ef026f4000 # [ 33.515756] FS: 00007f8<4>[ 34.275992] vfs_write+0xe7/0x3b0 <4>[ 34.286191] ksys_write+0x68/0xf0 <4>[ 34.290208] do_syscall_64+0x30/0x40 <4>[ 34.294516] entry_SYSCALL_64_after_hwframe+0x67/0xd1 <4>[ 34.300454] RIP: 0033:0x7fd9062bd240 <4>[ 34.304761] 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>[ 34.326041] RSP: 002b:00007ffd6c507348 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 <4>[ 34.334792] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007fd9062bd240 <4>[ 34.343057] RDX: 0000000000000008 RSI: 00007fd9061a1000 RDI: 0000000000000001 <4>[ 34.351322] RBP: 0000000000000008 R08: 00000000ffffffff R09: 0000000000000000 <4>[ 34.359587] R10: 00007fd9061de4d0 R11: 0000000000000202 R12: 00007fd9061a1000 <4>[ 34.367852] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 <4>[ 34.376137] irq event stamp: 0 600835740(0000) GS:ffff99ef7ad00000(0000) knlGS:0000000000000000<4>[ 34.379849] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 33.525086] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005<4>[ 34.393353] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 34.408997] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 34.418449] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 34.425748] ---[ end trace 904211b6156a7d31 ]--- 0033 # [ 33.531784] CR2: 00007f8600814000 CR3: 0000000106326002 CR4: 00000000003706e0 # [ 33.540035] Call Trace: # [ 33.543055] ? __die_body.cold+0x1a/0x1f # [ 33.547725] ? die+0x2b/0x50 # [ 33.551234] ? do_trap+0x91/0x110 # [ 33.555223] ? lkdtm_BUG+0x5/0x10 # [ 33.559213] ? do_error_trap+0x90/0x110 # [ 33.563784] ? lkdtm_BUG+0x5/0x10 # [ 33.567764] ? lkdtm_BUG+0x5/0x10 # [ 33.571761] ? exc_invalid_op+0x4e/0x70 # [ 33.576332] ? lkdtm_BUG+0x5/0x10 # [ 33.580321] ? asm_exc_invalid_op+0x12/0x20 # [ 33.585282] ? direct_entry+0xe0/0xe0 # [ 33.589661] ? lkdtm_BUG+0x5/0x10 # [ 33.593652] direct_entry.cold+0x2c/0x38 # [ 33.598323] full_proxy_write+0x53/0x80 # [ 33.602893] vfs_write+0xe7/0x3b0 # [ 33.606884] ksys_write+0x68/0xf0 # [ 33.610873] do_syscall_64+0x30/0x40 # [ 33.615155] entry_SYSCALL_64_after_hwframe+0x67/0xd1 # [ 33.621086] RIP: 0033:0x7f8600930240 # [ 33.6253<6>[ 34.521393] lkdtm: Performing direct entry WARNING_MESSAGE 67] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff <4>[ 34.530924] ------------[ cut here ]------------ ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 0<4>[ 34.542582] Warning message trigger count: 2 0 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 <4>[ 34.553869] WARNING: CPU: 0 PID: 739 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30 ec 28 48 89 # [ 33.646633] RSP: 002b:00007ffe697e2a98 EFLAGS:<4>[ 34.570578] Modules linked in: fuse ip_tables cros_ec_lid_angle btusb btrtl btbcm btintel cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio iTCO_wdt cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs bluetooth cros_usbpd_logger cros_ec_chardev cros_usbpd_charger uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 watchdog cros_ec_sensorhub ecdh_generic intel_pmc_core_pltdrv snd_soc_max98927 snd_soc_da7219 intel_pmc_core processor_thermal_device gsmi iwlmvm cros_ec_dev x86_pkg_temp_thermal intel_pmc_bxt iwlwifi snd_soc_core idma64 videobuf2_common ecc intel_soc_dts_iosf snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify pinctrl_sunrisepoint int3403_thermal int340x_thermal_zone int3400_thermal chromeos_pstore acpi_thermal_rel cros_kbd_led_backlight coreboot_table 00000202 ORIG_RAX: 0000000000000001 # [ 33.655381] RAX: ffff<4>[ 34.658294] CPU: 0 PID: 739 Comm: cat Tainted: G D W 5.10.218-cip49 #1 ffffffffffda RBX: 0000000000000004 RCX: 00007f8600930240 # [ <4>[ 34.673340] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 33.663633] RDX: 0000000000000004 RSI: 00007f8600814000 RDI: 0000<4>[ 34.686692] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30 000000000001 # [ 33.671894] RBP: 0000000000000004 R08: 000000<4>[ 34.698806] Code: cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 c1 0b eb 03 48 c7 c7 18 06 0d 91 8d 70 01 89 35 b1 0b eb 03 e8 16 24 69 00 <0f> 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 c7 00ffffffff R09: 0000000000000000 # [ 33.680154] R10: 00007f86<4>[ 34.726336] RSP: 0018:ffffa6d80156be60 EFLAGS: 00010286 008514d0 R11: 0000000000000202 R12: 00007f8600814000 # [ 33.6<4>[ 34.738676] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 88415] R13: 0000000000000001 R14: 0000000000020000 R15: 00000000<4>[ 34.753139] RDX: ffff99ef7ac2c620 RSI: ffff99ef7ac1bf50 RDI: ffff99ef7ac1bf50 00000000 # [ 33.696699] Modules linked in: fuse ip_tables cro<4>[ 34.767613] RBP: ffffffff910d00bf R08: 0000000000000000 R09: 0000000000000000 s_ec_lid_angle btusb btrtl btbcm btintel cros_ec_sensors cros_ec<4>[ 34.782084] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010 _sensors_core industrialio_triggered_buffer kfifo_buf industrial<4>[ 34.796547] R13: ffffa6d80156bf10 R14: ffffa6d80156bf10 R15: ffff99ef071c4000 io iTCO_wdt cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs bluet<4>[ 34.811047] FS: 00007f308f9d2740(0000) GS:ffff99ef7ac00000(0000) knlGS:0000000000000000 ooth cros_usbpd_logger cros_ec_chardev cros_usbpd_charger uvcvid<4>[ 34.826586] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 eo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 watchdog cr<4>[ 34.839520] CR2: 00007f308f9b1000 CR3: 000000010325a005 CR4: 00000000003706f0 os_ec_sensorhub ecdh_generic intel_pmc_core_pltdrv snd_soc_max98<4>[ 34.853994] Call Trace: 927 snd_soc_da7219 intel_pmc_core processor_thermal_device gsmi <4>[ 34.863247] ? __warn+0x80/0x110 iwlmvm cros_ec_dev x86_pkg_temp_thermal intel_pmc_bxt iwlwifi sn<4>[ 34.873345] ? lkdtm_WARNING_MESSAGE+0x20/0x30 d_soc_core idma64 videobuf2_common ecc intel_soc_dts_iosf snd_co<4>[ 34.884819] ? report_bug+0x9e/0xc0 mpress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify pi<4>[ 34.895213] ? handle_bug+0x41/0x90 nctrl_sunrisepoint int3403_thermal int340x_thermal_zone int3400_<4>[ 34.905622] ? exc_invalid_op+0x14/0x70 thermal chromeos_pstore acpi_thermal_rel cros_kbd_led_backlight <4>[ 34.916407] ? asm_exc_invalid_op+0x12/0x20 coreboot_table # [ 33.780158] gsmi: Log Shutdown Reason 0x03 <4>[ 34.927600] ? lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 33.785057] ---[ end trace 904211b6156a7d30 ]--- # [ 33<4>[ 34.939053] direct_entry.cold+0x2c/0x38 .790516] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 33.795195] Code: 89<4>[ 34.949947] full_proxy_write+0x53/0x80 ff e8 de ab 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff <4>[ 34.960740] vfs_write+0xe7/0x3b0 ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f><4>[ 34.970943] ksys_write+0x68/0xf0 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 0b eb 03 <4>[ 34.981147] do_syscall_64+0x30/0x40 # [ 33.816479] RSP: 0018:ffffa6d80145be60 EFLAGS: 00010282 #<4>[ 34.991647] entry_SYSCALL_64_after_hwframe+0x67/0xd1 [ 33.822615] RAX: ffffffff8ed80270 RBX: 0000000000000001 RCX:<4>[ 35.003809] RIP: 0033:0x7f308facd240 0000000000000000 # [ 33.830884] RDX: 0000000000000000 RSI: f<4>[ 35.014296] 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 fff99ef7ad1bf50 RDI: ffffffff90c40670 # [ 33.839155] RBP: fff<4>[ 35.041803] RSP: 002b:00007ffca791e8c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 fffff91136f98 R08: 0000000000000001 R09: 0000000000000001 # [ <4>[ 35.056788] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007f308facd240 33.847425] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000<4>[ 35.071272] RDX: 0000000000000010 RSI: 00007f308f9b1000 RDI: 0000000000000001 0000000000004 # [ 33.855720] R13: ffffa6d80145bf10 R14: ffffa<4>[ 35.085767] RBP: 0000000000000010 R08: 00000000ffffffff R09: 0000000000000000 6d80145bf10 R15: ffff99ef026f4000 # [ 33.863989] FS: 00007f8<4>[ 35.100254] R10: 00007f308f9ee4d0 R11: 0000000000000202 R12: 00007f308f9b1000 600835740(0000) GS:ffff99ef7ad00000(0000) knlGS:0000000000000000<4>[ 35.114752] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 # [ 33.873350] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005<4>[ 35.129219] irq event stamp: 0 0033 # [ 33.880088] CR2: 00007f8600814000 CR3: 00000001063260<4>[ 35.139141] hardirqs last enabled at (0): [<0000000000000000>] 0x0 02 CR4: 00000000003706e0 # BUG: saw 'kernel BUG at': ok ok 2 s<4>[ 35.152646] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 elftests: lkdtm: BUG.sh # selftests: lkdtm: WARNING.sh # [ 3<4>[ 35.168300] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 3.970208] lkdtm: Performing direct entry WARNING # [ 33.98039<4>[ 35.183946] softirqs last disabled at (0): [<0000000000000000>] 0x0 3] ------------[ cut here ]------------ # [ 33.985872] WARNIN<4>[ 35.197463] ---[ end trace 904211b6156a7d32 ]--- G: CPU: 3 PID: 703 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x13/0x20 # [ 33.995605] Modules linked in: fuse ip_tables cros_ec_lid_angle btusb btrtl btbcm btintel cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio iTCO_wdt cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs bluetooth cros_usbpd_logger cros_ec_chardev cros_usbpd_charger uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 watchdog cros_ec_sensorhub ecdh_generic intel_pmc_core_pltdrv snd_soc_max98927 snd_soc_da7219 intel_pmc_core processor_thermal_device gsmi iwlmvm cros_ec_dev x86_pkg_temp_thermal intel_pmc_bxt iwlwifi snd_soc_core idma64 videobuf2_common ecc intel_soc_dts_iosf snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify pinctrl_sunrisepoint int3403_thermal int340x_thermal_zone int3400_thermal chromeos_pstore acpi_thermal_rel cros_kbd_led_backlight coreboot_table # [ 34.083312] CPU: 3 PID: 703 Comm: cat Tainted: G D W 5.10.218-cip49 #1 # [ 34.092194] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 34.105510] RIP: 0010:lkdtm_WARNING+0x13/0x20 # [ 34.110699] Code: c0 f4 ff ff ff eb c9 0f 1f 44 00 00 0f 0b 66 0f 1f 84 00 00 00 00<6>[ 35.325687] lkdtm: Performing direct entry EXCEPTION <1>[ 35.333148] BUG: kernel NULL pointer dereference, address: 0000000000000000 <1>[ 35.341219] #PF: supervisor write access in kernel mode <1>[ 35.347342] #PF: error_code(0x0002) - not-present page <6>[ 35.353367] PGD 0 P4D 0 <4>[ 35.356483] Oops: 0002 [#2] SMP PTI <4>[ 35.360665] CPU: 2 PID: 772 Comm: cat Tainted: G D W 5.10.218-cip49 #1 <4>[ 35.369499] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 35.376598] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20 <4>[ 35.381849] Code: 48 c7 c7 18 06 0d 91 8d 70 01 89 35 b1 0b eb 03 e8 16 24 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>[ 35.403125] RSP: 0018:ffffa6d8015bbe60 EFLAGS: 00010282 <4>[ 35.409250] RAX: ffffffff8ed802d0 RBX: 0000000000000004 RCX: 0000000000000000 <4>[ 35.417511] RDX: 0000000000000000 RSI: ffff99ef7ad1bf50 RDI: ffffffff90c406a0 <4>[ 35.425769] RBP: ffffffff90fc347f R08: 0000000000000000 R09: 0000000000000000 <4>[ 35.434029] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a <4>[ 35.442288] R13: ffffa6d8015bbf10 R14: ffffa6d8015bbf10 R15: ffff99ef0298c000 <4>[ 35.450548] FS: 00007fc8f427d740(0000) GS:ffff99ef7ad00000(0000) knlGS:0000000000000000 <4>[ 35.459878] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 35.466584] CR2: 0000000000000000 CR3: 000000010653c005 CR4: 00000000003706e0 <4>[ 35.474844] Call Trace: <4>[ 35.477864] ? __die_body.cold+0x1a/0x1f <4>[ 35.482534] ? no_context+0x177/0x380 <4>[ 35.486915] ? exc_page_fault+0x53/0x170 <4>[ 35.491584] ? asm_exc_page_fault+0x1e/0x30 <4>[ 35.496537] ? lkdtm_WARNING_MESSAGE+0x30/0x30 <4>[ 35.501789] ? lkdtm_EXCEPTION+0x5/0x20 <4>[ 35.506360] direct_entry.cold+0x2c/0x38 <4>[ 35.511029] full_proxy_write+0x53/0x80 <4>[ 35.515601] vfs_write+0xe7/0x3b0 <4>[ 35.519581] ksys_write+0x68/0xf0 <4>[ 35.523571] do_syscall_64+0x30/0x40 <4>[ 35.527851] entry_SYSCALL_64_after_hwframe+0x67/0xd1 <4>[ 35.533781] RIP: 0033:0x7fc8f4378240 <4>[ 35.538060] 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>[ 35.559333] RSP: 002b:00007fff9edea118 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 <4>[ 35.568080] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fc8f4378240 <4>[ 35.576341] RDX: 000000000000000a RSI: 00007fc8f425c000 RDI: 0000000000000001 <4>[ 35.584601] RBP: 000000000000000a R08: 00000000ffffffff R09: 0000000000000000 <4>[ 35.592860] R10: 00007fc8f42994d0 R11: 0000000000000202 R12: 00007fc8f425c000 <4>[ 35.601120] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 00 0f 1f 44 00 00 83 05 e0 0b eb 03 01 75 05 c3 cc cc cc cc <0f<4>[ 35.609384] Modules linked in: fuse ip_tables cros_ec_lid_angle btusb btrtl btbcm btintel cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio iTCO_wdt cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs bluetooth cros_usbpd_logger cros_ec_chardev cros_usbpd_charger uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 watchdog cros_ec_sensorhub ecdh_generic intel_pmc_core_pltdrv snd_soc_max98927 snd_soc_da7219 intel_pmc_core processor_thermal_device gsmi iwlmvm cros_ec_dev x86_pkg_temp_thermal intel_pmc_bxt iwlwifi snd_soc_core idma64 videobuf2_common ecc intel_soc_dts_iosf snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify pinctrl_sunrisepoint int3403_thermal int340x_thermal_zone int3400_thermal chromeos_pstore acpi_thermal_rel cros_kbd_led_backlight coreboot_table <4>[ 35.697130] CR2: 0000000000000000 <4>[ 35.701120] ---[ end trace 904211b6156a7d33 ]--- <4>[ 35.706566] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 35.711233] Code: 89 ff e8 de ab 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 e0 0b eb 03 <4>[ 35.732510] RSP: 0018:ffffa6d80145be60 EFLAGS: 00010282 <4>[ 35.738636] RAX: ffffffff8ed80270 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 35.746899] RDX: 0000000000000000 RSI: ffff99ef7ad1bf50 RDI: ffffffff90c40670 <4>[ 35.755161] RBP: ffffffff91136f98 R08: 0000000000000001 R09: 0000000000000001 <4>[ 35.763423] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 35.771696] R13: ffffa6d80145bf10 R14: ffffa6d80145bf10 R15: ffff99ef026f4000 <4>[ 35.779958] FS: 00007fc8f427d740(0000) GS:ffff99ef7ad00000(0000) knlGS:0000000000000000 <4>[ 35.789288] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 35.795995] CR2: 0000000000000000 CR3: 000000010653c005 CR4: 00000000003706e0 <3>[ 35.804257] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 35.814460] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 772, name: cat <4>[ 35.823111] INFO: lockdep is turned off. <4>[ 35.827779] irq event stamp: 0 <4>[ 35.831475] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 35.838768] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 35.848197] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 35.857624] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 35.864914] CPU: 2 PID: 772 Comm: cat Tainted: G D W 5.10.218-cip49 #1 <4>[ 35.873757] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 35.880853] Call Trace: <4>[ 35.883872] dump_stack+0x77/0x9b <4>[ 35.887853] ___might_sleep.cold+0xa6/0xb6 <4>[ 35.892711] exit_signals+0x1c/0x300 <4>[ 35.896990] do_exit+0xc2/0xab0 <4>[ 35.900784] ? ksys_write+0x68/0xf0 <4>[ 35.904967] make_task_dead+0x2f/0x30 <4>[ 35.909345] rewind_stack_and_make_dead+0x17/0x20 <4>[ 35.914881] RIP: 0033:0x7fc8f4378240 <4>[ 35.919152] 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>[ 35.940430] RSP: 002b:00007fff9edea118 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 <4>[ 35.949179] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fc8f4378240 <4>[ 35.957441] RDX: 000000000000000a RSI: 00007fc8f425c000 RDI: 0000000000000001 <4>[ 35.965703] RBP: 000000000000000a R08: 00000000ffffffff R09: 0000000000000000 <4>[ 35.973964] R10: 00007fc8f42994d0 R11: 0000000000000202 R12: 00007fc8f425c000 <4>[ 35.982226] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 > 0b c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 c1 0b # [ 34.138194] RSP: 0018:ffffa6d8014f3e60 EFLAGS: 00010202 # [ 34.144352] RAX: ffffffff8ed80280 RBX: 0000000000000002 RCX: 0000000000000000 # [ 34.158826] RDX: 0000000000000000 RSI: ffff99ef7ad9bf50 RDI: ffffffff90c40680 # [ 34.167136] RBP: ffffffff910d00b7 R08: 0000000000000000 R09: 0000000000000000 # [ 34.175416] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000008 # [ 34.189884] R13: ffffa6d8014f3f10 R14: ffffa6d8014f3f10 R15: ffff99ef0594d000 # [ 34.198149] FS: 00007fd9061c2740(0000) GS:ffff99ef7ad80000(0000) knlGS:0000000000000000 # [ 34.207482] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 34.214192] CR2: 00007fd9061a1000 CR3: 0000000103992004 CR4: 00000000003706e0 # [ 34.222457] Call Trace: # [ 34.225500] ? __warn+0x80/0x110 # [ 34.229405] ? lkdtm_WARNING+0x13/0x20 # [ 34.240092] ? report_bug+0x9e/0xc0 # [ 34.244304] ? handle_bug+0x41/0x90 # [ 34.248521] ? exc_invalid_op+0x14/0x70 # [ 34.253096] ? asm_exc_invalid_op+0x12/0x20 # [ 34.258062] ? lkdtm_BUG+0x10/0x10 # [ 34.262182] ? lkdtm_WARNING+0x13/0x20 # [ 34.266687] direct_entry.cold+0x2c/0x38 # [ 34.271388] full_proxy_write+0x53/0x80 # [ 34.275992] vfs_write+0xe7/0x3b0 # [ 34.286191] ksys_write+0x68/0xf0 # [ 34.290208] do_syscall_64+0x30/0x40 # [ 34.294516] entry_SYSCALL_64_after_hwframe+0x67/0xd1 # [ 34.300454] RIP: 0033:0x7fd9062bd240 # [ 34.304761] 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 # [ 34.326041] RSP: 002b:00007ffd6c507348 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 # [ 34.334792] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007fd9062bd240 # [ 34.343057] RDX: 0000000000000008 RSI: 00007fd9061a1000 RDI: 0000000000000001 # [ 34.351322] RBP: 0000000000000008 R08: 00000000ffffffff R09: 0000000000000000 # [ 34.359587] R10: 00007fd9061de4d0 R11: 0000000000000202 R12: 00007fd9061a1000 # [ 34.367852] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 # [ 34.376137] irq event stamp: 0 # [ 34.379849] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 34.393353] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 34.408997] softirqs last enabled at (0): []<6>[ 36.230717] lkdtm: Performing direct entry CORRUPT_LIST_ADD copy_process+0x65c/0x20e0 # [ 34.418449] softirqs last disab<6>[ 36.239506] lkdtm: attempting good list addition led at (0): [<0000000000000000>] 0x0 # [ 34.425748] ---[ end <6>[ 36.251170] lkdtm: attempting corrupted list addition trace 904211b6156a7d31 ]--- # WARNING: saw 'WARNING:': ok ok 3<3>[ 36.263320] lkdtm: list_add() corruption not detected! selftests: lkdtm: WARNING.sh # selftests: lkdtm: WARNING_MESSAGE.sh # [ 34.521393] lkdtm: Performing direct entry WARNING_MESSAGE # [ 34.530924] ------------[ cut here ]------------ # [ 34.542582] Warning message trigger count: 2 # [ 34.553869] WARNING: CPU: 0 PID: 739 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 34.570578] Modules linked in: fuse ip_tables cros_ec_lid_angle btusb btrtl btbcm btintel cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio iTCO_wdt cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs bluetooth cros_usbpd_logger cros_ec_chardev cros_usbpd_charger uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 watchdog cros_ec_sensorhub ecdh_generic intel_pmc_core_pltdrv snd_soc_max98927 snd_soc_da7219 intel_pmc_core processor_thermal_device gsmi iwlmvm cros_ec_dev x86_pkg_temp_thermal intel_pmc_bxt iwlwifi snd_soc_core idma64 videobuf2_common ecc intel_soc_dts_iosf snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify pinctrl_sunrisepoint int3403_thermal int340x_thermal_zone int3400_thermal chromeos_pstore acpi_thermal_rel cros_kbd_led_backlight coreboot_table # [ 34.658294] CPU: 0 PID: 739 Comm: cat Tainted: G D W 5.10.218-cip49 #1 # [ 34.673340] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 34.686692] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 34.698806] Code: cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 c1 0b eb 03 48 c7 c7 18 06 0d 91 8d 70 01 89 35 b1 0b eb 03 e8 16 24 69 00 <0f> 0b c3 cc cc cc cc 66 0f 1f 84 00 00 0<6>[ 36.425659] lkdtm: Performing direct entry CORRUPT_LIST_DEL <6>[ 36.437420] lkdtm: attempting good list removal <6>[ 36.442825] lkdtm: attempting corrupted list removal 0 00 00 0f 1f 44 00 00 c7 # [ 34.726336] RSP: 0018:ffffa6d801<3>[ 36.448677] lkdtm: list_del() corruption not detected! 56be60 EFLAGS: 00010286 # [ 34.738676] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 # [ 34.753139] RDX: ffff99ef7ac2c620 RSI: ffff99ef7ac1bf50 RDI: ffff99ef7ac1bf50 # [ 34.767613] RBP: ffffffff910d00bf R08: 0000000000000000 R09: 0000000000000000 # [ 34.782084] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010 # [ 34.796547] R13: ffffa6d80156bf10 R14: ffffa6d80156bf10 R15: ffff99ef071c4000 # [ 34.811047] FS: 00007f308f9d2740(0000) GS:ffff99ef7ac00000(0000) knlGS:0000000000000000 # [ 34.826586] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 34.839520] CR2: 00007f308f9b1000 CR3: 000000010325a005 CR4: 00000000003706f0 # [ 34.853994] Call Trace: # [ 34.863247] ? __warn+0x80/0x110 # [ 34.873345] ? lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 34.884819] ? report_bug+0x9e/0xc0 # [ 34.895213] ? handle_bug+0x41/0x90 # [ 34.905622] ? exc_invalid_op+0x14/0x70 # [ 34.916407]<6>[ 36.549890] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING <6>[ 36.561470] lkdtm: attempting bad read from page below current stack <0>[ 36.568893] BUG: stack guard page was hit at 00000000bb8e142b (stack is 000000004dc29f1b..00000000b3a8e97f) ? asm_exc_invalid_op+0x12/0x20 # [ 34.927600] ? lkdtm_WARN<4>[ 36.580080] kernel stack overflow (page fault): 0000 [#3] SMP PTI <4>[ 36.593393] CPU: 2 PID: 1004 Comm: cat Tainted: G D W 5.10.218-cip49 #1 ING_MESSAGE+0x20/0x30 # [ 34.939053] direct_entry.cold+0x2c/<4>[ 36.602338] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 36.615652] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a <4>[ 36.622460] Code: cc cc cc 0f 1f 44 00 00 53 48 c7 c7 b8 09 0d 91 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 8f dd fb ff 48 c7 c7 f8 09 0d 91 <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 75 dd fb ff 0f 1f 44 <4>[ 36.643747] RSP: 0018:ffffa6d801993e50 EFLAGS: 00010246 <4>[ 36.649871] RAX: 0000000000000038 RBX: ffffa6d801990000 RCX: 0000000000000000 <4>[ 36.658134] RDX: 0000000000000000 RSI: ffff99ef7ad1bf50 RDI: ffffffff910d09f8 <4>[ 36.666395] RBP: ffffffff910d0122 R08: 0000000000000000 R09: 0000000000000000 <4>[ 36.674657] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019 <4>[ 36.682920] R13: ffffa6d801993f10 R14: ffffa6d801993f10 R15: ffff99ef07633000 <4>[ 36.691182] FS: 00007fbf0a1c4740(0000) GS:ffff99ef7ad00000(0000) knlGS:0000000000000000 <4>[ 36.700511] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 36.707219] CR2: ffffa6d80198ffff CR3: 0000000107528004 CR4: 00000000003706e0 <4>[ 36.715483] Call Trace: <4>[ 36.718501] <#DF> <4>[ 36.721034] ? __die_body.cold+0x1a/0x1f <4>[ 36.725706] ? die+0x2b/0x50 <4>[ 36.729211] ? handle_stack_overflow+0x3e/0x4d <4>[ 36.734462] ? no_context+0x24d/0x380 <4>[ 36.738840] 0x38 # [ 34.949947] full_proxy_write+0x53/0x80 # [ 34.960<4>[ 36.741467] Modules linked in: fuse ip_tables cros_ec_lid_angle btusb btrtl btbcm btintel cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio iTCO_wdt cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs bluetooth cros_usbpd_logger cros_ec_chardev cros_usbpd_charger uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 watchdog cros_ec_sensorhub ecdh_generic intel_pmc_core_pltdrv snd_soc_max98927 snd_soc_da7219 intel_pmc_core processor_thermal_device gsmi iwlmvm cros_ec_dev x86_pkg_temp_thermal intel_pmc_bxt iwlwifi snd_soc_core idma64 videobuf2_common ecc intel_soc_dts_iosf snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify pinctrl_sunrisepoint int3403_thermal int340x_thermal_zone int3400_thermal chromeos_pstore acpi_thermal_rel cros_kbd_led_backlight coreboot_table <4>[ 36.829237] ---[ end trace 904211b6156a7d34 ]--- <4>[ 36.834700] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 36.839361] Code: 89 ff e8 de ab 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 e0 0b eb 03 <4>[ 36.860637] RSP: 0018:ffffa6d80145be60 EFLAGS: 00010282 <4>[ 36.866762] RAX: ffffffff8ed80270 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 36.875023] RDX: 0000000000000000 RSI: ffff99ef7ad1bf50 RDI: ffffffff90c40670 <4>[ 36.883285] RBP: ffffffff91136f98 R08: 0000000000000001 R09: 0000000000000001 <4>[ 36.891547] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 36.899809] R13: ffffa6d80145bf10 R14: ffffa6d80145bf10 R15: ffff99ef026f4000 <4>[ 36.908070] FS: 00007fbf0a1c4740(0000) GS:ffff99ef7ad00000(0000) knlGS:0000000000000000 <4>[ 36.917402] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 36.924108] CR2: ffffa6d80198ffff CR3: 0000000107528004 CR4: 00000000003706e0 <3>[ 36.932371] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 36.942576] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1004, name: cat <4>[ 36.951324] INFO: lockdep is turned off. <4>[ 36.955992] irq event stamp: 0 <4>[ 36.959699] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 36.966982] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 36.976411] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 36.985831] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 36.993122] CPU: 2 PID: 1004 Comm: cat Tainted: G D W 5.10.218-cip49 #1 <4>[ 37.002062] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 37.009159] Call Trace: <4>[ 37.012178] dump_stack+0x77/0x9b <4>[ 37.016167] ___might_sleep.cold+0xa6/0xb6 <4>[ 37.021032] exit_signals+0x1c/0x300 <4>[ 37.025314] do_exit+0xc2/0xab0 <4>[ 37.029110] ? ksys_write+0x68/0xf0 <4>[ 37.033294] make_task_dead+0x2f/0x30 <4>[ 37.037663] rewind_stack_and_make_dead+0x17/0x20 <4>[ 37.043205] RIP: 0033:0x7fbf0a2bf240 <4>[ 37.047486] 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>[ 37.068763] RSP: 002b:00007ffc71c8fd58 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 <4>[ 37.077512] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007fbf0a2bf240 <4>[ 37.085766] RDX: 0000000000000019 RSI: 00007fbf0a1a3000 RDI: 0000000000000001 <4>[ 37.094027] RBP: 0000000000000019 R08: 00000000ffffffff R09: 0000000000000000 <4>[ 37.102289] R10: 00007fbf0a1e04d0 R11: 0000000000000202 R12: 00007fbf0a1a3000 <4>[ 37.110551] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 740] vfs_write+0xe7/0x3b0 # [ 34.970943] ksys_write+0x68/0xf0 # [ 34.981147] do_syscall_64+0x30/0x40 # [ 34.991647] entry_SYSCALL_64_after_hwframe+0x67/0xd1 # [ 35.003809] RIP: 0033:0x7f308facd240 # [ 35.014296] 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 # [ 35.041803] RSP: 002b:00007ffca791e8c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 # [ 35.056788] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007f308facd240 # [ 35.071272] RDX: 0000000000000010 RSI: 00007f308f9b1000 RDI: 0000000000000001 # [ 35.085767] RBP: 0000000000000010 R08: 00000000ffffffff R09: 0000000000000000 # [ 35.100254] R10: 00007f308f9ee4d0 R11: 0000000000000202 R12: 00007f308f9b1000 # [ 35.114752] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 # [ 35.129219] ir<6>[ 37.210431] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING <6>[ 37.219491] lkdtm: attempting bad read from page above current stack <0>[ 37.226948] BUG: stack guard page was hit at 00000000f3e7f0ed (stack is 00000000a7a6bd9c..0000000053503a85) q event stamp: 0 # [ 35.139141] hardirqs last enabled at (0)<4>[ 37.238133] kernel stack overflow (page fault): 0000 [#4] SMP PTI <4>[ 37.251440] CPU: 2 PID: 1039 Comm: cat Tainted: G D W 5.10.218-cip49 #1 <4>[ 37.260383] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 37.267484] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILING+0x27/0x3d : [<0000000000000000>] 0x0 # [ 35.152646] hardirqs last disab<4>[ 37.274388] Code: dd fb ff 0f 1f 44 00 00 53 48 c7 c7 30 0a 0d 91 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 55 dd fb ff 48 c7 c7 70 0a 0d 91 <8a> 83 00 40 00 00 88 44 24 07 0f b6 74 24 07 5a 5b e9 38 dd fb ff <4>[ 37.301877] RSP: 0018:ffffa6d801703e50 EFLAGS: 00010246 <4>[ 37.308005] RAX: 0000000000000038 RBX: ffffa6d801700000 RCX: 0000000000000000 <4>[ 37.316258] RDX: 0000000000000000 RSI: ffff99ef7ad1bf50 RDI: ffffffff910d0a70 <4>[ 37.324520] RBP: ffffffff910d013b R08: 0000000000000000 R09: 0000000000000000 <4>[ 37.332781] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001a <4>[ 37.341044] R13: ffffa6d801703f10 R14: ffffa6d801703f10 R15: ffff99ef0382a000 <4>[ 37.349305] FS: 00007ff7ba445740(0000) GS:ffff99ef7ad00000(0000) knlGS:0000000000000000 <4>[ 37.358636] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 37.365345] CR2: ffffa6d801704000 CR3: 0000000106298002 CR4: 00000000003706e0 <4>[ 37.373605] Call Trace: <4>[ 37.376624] <#DF> <4>[ 37.379150] ? __die_body.cold+0x1a/0x1f <4>[ 37.383821] ? die+0x2b/0x50 <4>[ 37.387323] ? handle_stack_overflow+0x3e/0x4d <4>[ 37.392574] ? no_context+0x24d/0x380 <4>[ 37.396941] led at (0): [] copy_process+0x65c/0x20e0 # [ <4>[ 37.399570] Modules linked in: fuse ip_tables cros_ec_lid_angle btusb btrtl btbcm btintel cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio iTCO_wdt cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs bluetooth cros_usbpd_logger cros_ec_chardev cros_usbpd_charger uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 watchdog cros_ec_sensorhub ecdh_generic intel_pmc_core_pltdrv snd_soc_max98927 snd_soc_da7219 intel_pmc_core processor_thermal_device gsmi iwlmvm cros_ec_dev x86_pkg_temp_thermal intel_pmc_bxt iwlwifi snd_soc_core idma64 videobuf2_common ecc intel_soc_dts_iosf snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify pinctrl_sunrisepoint int3403_thermal int340x_thermal_zone int3400_thermal chromeos_pstore acpi_thermal_rel cros_kbd_led_backlight coreboot_table <4>[ 37.487329] ---[ end trace 904211b6156a7d35 ]--- <4>[ 37.492776] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 37.497446] Code: 89 ff e8 de ab 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 e0 0b eb 03 <4>[ 37.518723] RSP: 0018:ffffa6d80145be60 EFLAGS: 00010282 <4>[ 37.524848] RAX: ffffffff8ed80270 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 37.533109] RDX: 0000000000000000 RSI: ffff99ef7ad1bf50 RDI: ffffffff90c40670 <4>[ 37.541372] RBP: ffffffff91136f98 R08: 0000000000000001 R09: 0000000000000001 <4>[ 37.549626] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 37.557888] R13: ffffa6d80145bf10 R14: ffffa6d80145bf10 R15: ffff99ef026f4000 <4>[ 37.566151] FS: 00007ff7ba445740(0000) GS:ffff99ef7ad00000(0000) knlGS:0000000000000000 <4>[ 37.575481] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 37.582188] CR2: ffffa6d801704000 CR3: 0000000106298002 CR4: 00000000003706e0 35.168300] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 35.183946] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 35.197463] ---[ end trace 904211b6156a7d32 ]--- # WARNING_MESSAGE: saw 'message trigger': ok ok 4 selftests: lkdtm: WARNING_MESSAGE.sh # selftests: lkdtm: EXCEPTION.sh # Killed # [ 35.325687] lkdtm: Performing direct entry EXCEPTION # [ 35.333148] BUG: kernel NULL pointer dereference, address: 0000000000000000 # [ 35.341219] #PF: supervisor write access in kernel mode # [ 35.347342] #PF: error_code(0x0002) - not-present page # [ 35.353367] PGD 0 P4D 0 # [ 35.356483] Oops: 0002 [#2] SMP PTI # [ 35.360665] CPU: 2 PID: 772 Comm: cat Tainted: G D W 5.10.218-cip49 #1 # [ 35.369499] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 35.376598] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20 # [ 35.381849] Code: 48 c7 c7 18 06 0d 91 8d 70 01 89 35 b1 0b eb 03 e8 16 24 69 00 0f 0b c3 cc cc cc cc 66 0f 1f 84<6>[ 37.688086] lkdtm: Performing direct entry UNSET_SMEP 00 00 00 00 00 0f 1f 44 00 00 04 25 00 00 00 00 00 00 00 0<6>[ 37.695900] lkdtm: trying to clear SMEP normally 0 c3 cc cc cc cc 66 66 2e 0f 1f 84 # [ 35.403125] RSP: 0018:f<4>[ 37.707558] ------------[ cut here ]------------ fffa6d8015bbe60 EFLAGS: 00010282 # [ 35.409250] RAX: ffffffff<4>[ 37.719245] pinned CR4 bits changed: 0x100000!? 8ed802d0 RBX: 0000000000000004 RCX: 0000000000000000 # [ 35.4<4>[ 37.730840] WARNING: CPU: 0 PID: 1076 at arch/x86/kernel/cpu/common.c:396 native_write_cr4+0x45/0x60 17511] RDX: 0000000000000000 RSI: ffff99ef7ad1bf50 RDI: ffffffff<4>[ 37.747568] Modules linked in: fuse ip_tables cros_ec_lid_angle btusb btrtl btbcm btintel cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio iTCO_wdt cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs bluetooth cros_usbpd_logger cros_ec_chardev cros_usbpd_charger uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 watchdog cros_ec_sensorhub ecdh_generic intel_pmc_core_pltdrv snd_soc_max98927 snd_soc_da7219 intel_pmc_core processor_thermal_device gsmi iwlmvm cros_ec_dev x86_pkg_temp_thermal intel_pmc_bxt iwlwifi snd_soc_core idma64 videobuf2_common ecc intel_soc_dts_iosf snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify pinctrl_sunrisepoint int3403_thermal int340x_thermal_zone int3400_thermal chromeos_pstore acpi_thermal_rel cros_kbd_led_backlight coreboot_table 90c406a0 # [ 35.425769] RBP: ffffffff90fc347f R08: 0000000000<4>[ 37.835293] CPU: 0 PID: 1076 Comm: cat Tainted: G D W 5.10.218-cip49 #1 000000 R09: 0000000000000000 # [ 35.434029] R10: 00000000ffff<4>[ 37.850456] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 e000 R11: 3fffffffffffffff R12: 000000000000000a # [ 35.44228<4>[ 37.863875] RIP: 0010:native_write_cr4+0x45/0x60 8] R13: ffffa6d8015bbf10 R14: ffffa6d8015bbf10 R15: ffff99ef0298<4>[ 37.875488] Code: 39 c2 75 2d 48 85 f6 75 05 c3 cc cc cc cc 80 3d 29 63 46 03 00 75 f2 48 c7 c7 20 d5 fc 90 c6 05 19 63 46 03 01 e8 a1 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 c000 # [ 35.450548] FS: 00007fc8f427d740(0000) GS:ffff99ef7a<4>[ 37.903000] RSP: 0018:ffffa6d801aabe48 EFLAGS: 00010286 d00000(0000) knlGS:0000000000000000 # [ 35.459878] CS: 0010 <4>[ 37.915362] RAX: 0000000000000000 RBX: 00000000002706f0 RCX: 0000000000000000 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 35.466584] CR2: 0<4>[ 37.929825] RDX: ffff99ef7ac2c620 RSI: ffff99ef7ac1bf50 RDI: ffff99ef7ac1bf50 000000000000000 CR3: 000000010653c005 CR4: 00000000003706e0 # [<4>[ 37.944284] RBP: ffffffff910d0155 R08: 0000000000000000 R09: 0000000000000000 35.474844] Call Trace: # [ 35.477864] ? __die_body.cold+0<4>[ 37.958778] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b x1a/0x1f # [ 35.482534] ? no_context+0x177/0x380 # [ 35.4<4>[ 37.973278] R13: ffffa6d801aabf10 R14: ffffa6d801aabf10 R15: ffff99ef02c0f000 86915] ? exc_page_fault+0x53/0x170 # [ 35.491584] ? asm_exc<4>[ 37.987815] FS: 00007f3217a62740(0000) GS:ffff99ef7ac00000(0000) knlGS:0000000000000000 _page_fault+0x1e/0x30 # [ 35.496537] ? lkdtm_WARNING_MESSAGE<4>[ 38.003360] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 +0x30/0x30 # [ 35.501789] ? lkdtm_EXCEPTION+0x5/0x20 # [ <4>[ 38.016317] CR2: 00007f3217a41000 CR3: 0000000102c0a003 CR4: 00000000003706f0 35.506360] direct_entry.cold+0x2c/0x38 # [ 35.511029] full_<4>[ 38.030800] Call Trace: proxy_write+0x53/0x80 # [ 35.515601] vfs_write+0xe7/0x3b0 #<4>[ 38.040094] ? __warn+0x80/0x110 [ 35.519581] ksys_write+0x68/0xf0 # [ 35.523571] do_sysc<4>[ 38.050179] ? native_write_cr4+0x45/0x60 all_64+0x30/0x40 # [ 35.527851] entry_SYSCALL_64_after_hwfra<4>[ 38.061214] ? report_bug+0x9e/0xc0 me+0x67/0xd1 # [ 35.533781] RIP: 0033:0x7fc8f4378240 # [ 3<4>[ 38.071621] ? handle_bug+0x41/0x90 5.538060] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 <4>[ 38.082055] ? exc_invalid_op+0x14/0x70 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 0<4>[ 38.092837] ? asm_exc_invalid_op+0x12/0x20 0 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 <4>[ 38.104081] ? native_write_cr4+0x45/0x60 48 83 ec 28 48 89 # [ 35.559333] RSP: 002b:00007fff9edea118 E<4>[ 38.115042] ? native_write_cr4+0x45/0x60 FLAGS: 00000202 ORIG_RAX: 0000000000000001 # [ 35.568080] RAX<4>[ 38.126127] lkdtm_UNSET_SMEP.cold+0x1d/0x103 : ffffffffffffffda RBX: 000000000000000a RCX: 00007fc8f4378240 <4>[ 38.137438] direct_entry.cold+0x2c/0x38 # [ 35.576341] RDX: 000000000000000a RSI: 00007fc8f425c000 RDI<4>[ 38.148349] full_proxy_write+0x53/0x80 : 0000000000000001 # [ 35.584601] RBP: 000000000000000a R08: <4>[ 38.159116] vfs_write+0xe7/0x3b0 00000000ffffffff R09: 0000000000000000 # [ 35.592860] R10: 00<4>[ 38.169338] ksys_write+0x68/0xf0 007fc8f42994d0 R11: 0000000000000202 R12: 00007fc8f425c000 # [ <4>[ 38.179536] do_syscall_64+0x30/0x40 35.601120] R13: 0000000000000001 R14: 0000000000020000 R15: 00<4>[ 38.190047] entry_SYSCALL_64_after_hwframe+0x67/0xd1 00000000000000 # [ 35.609384] Modules linked in: fuse ip_tabl<4>[ 38.202196] RIP: 0033:0x7f3217b5d240 es cros_ec_lid_angle btusb btrtl btbcm btintel cros_ec_sensors c<4>[ 38.212700] 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 ros_ec_sensors_core industrialio_triggered_buffer kfifo_buf indu<4>[ 38.240194] RSP: 002b:00007ffd1a354318 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 strialio iTCO_wdt cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs<4>[ 38.255195] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f3217b5d240 bluetooth cros_usbpd_logger cros_ec_chardev cros_usbpd_charger <4>[ 38.269703] RDX: 000000000000000b RSI: 00007f3217a41000 RDI: 0000000000000001 uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 watch<4>[ 38.284134] RBP: 000000000000000b R08: 00000000ffffffff R09: 0000000000000000 dog cros_ec_sensorhub ecdh_generic intel_pmc_core_pltdrv snd_soc<4>[ 38.298624] R10: 00007f3217a7e4d0 R11: 0000000000000202 R12: 00007f3217a41000 _max98927 snd_soc_da7219 intel_pmc_core processor_thermal_device<4>[ 38.313088] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 gsmi iwlmvm cros_ec_dev x86_pkg_temp_thermal intel_pmc_bxt iwlw<4>[ 38.327590] irq event stamp: 0 ifi snd_soc_core idma64 videobuf2_common ecc intel_soc_dts_iosf <4>[ 38.337490] hardirqs last enabled at (0): [<0000000000000000>] 0x0 snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_not<4>[ 38.351019] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 ify pinctrl_sunrisepoint int3403_thermal int340x_thermal_zone in<4>[ 38.366654] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 t3400_thermal chromeos_pstore acpi_thermal_rel cros_kbd_led_back<4>[ 38.382327] softirqs last disabled at (0): [<0000000000000000>] 0x0 light coreboot_table # [ 35.697130] CR2: 0000000000000000 # <4>[ 38.395819] ---[ end trace 904211b6156a7d36 ]--- [ 35.701120] ---[ end trace 904211b6156a7d33 ]--- # [ 35.70<6>[ 38.407501] lkdtm: ok: SMEP did not get cleared 6566] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 35.711233] Code: 89 ff<6>[ 38.419055] lkdtm: trying to clear SMEP with call gadget e8 de ab 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff <6>[ 38.431529] lkdtm: ok: SMEP removal was reverted 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 e0 0b eb 03 # [ 35.732510] RSP: 0018:ffffa6d80145be60 EFLAGS: 00010282 # [ 35.738636] RAX: ffffffff8ed80270 RBX: 0000000000000001 RCX: 0000000000000000 # [ 35.746899] RDX: 0000000000000000 RSI: ffff99ef7ad1bf50 RDI: ffffffff90c40670 # [ 35.755161] RBP: ffffffff91136f98 R08: 0000000000000001 R09: 0000000000000001 # [ 35.763423] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 35.771696] R13: ffffa6d80145bf10 R14: ffffa6d80145bf10 R15: ffff99ef026f4000 # [ 35.779958] FS: 00007fc8f427d740(0000) GS:ffff99ef7ad00000(0000) knlGS:0000000000000000 # [ 35.789288] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 35.795995] CR2: 0000000000000000 CR3: 000000010653c005 CR4: 00000000003706e0 # [ 35.804257] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 35.814460] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 772, name: cat # [ 35.823111] INFO: lockdep is turned off. # [ 35.827779] irq event stamp: 0 # [ 35.831475] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 35.838768] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 35.848197] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 35.85<6>[ 38.573844] lkdtm: Performing direct entry DOUBLE_FAULT <3>[ 38.586030] lkdtm: XFAIL: this test is ia32-only 7624] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 35.864914] CPU: 2 PID: 772 Comm: cat Tainted: G D W 5.10.218-cip49 #1 # [ 35.873757] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 35.880853] Call Trace: # [ 35.883872] dump_stack+0x77/0x9b # [ 35.887853] ___might_sleep.cold+0xa6/0xb6 # [ 35.892711] exit_signals+0x1c/0x300 # [ 35.896990] do_exit+0xc2/0xab0 # [ 35.900784] ? ksys_write+0x68/0xf0 # [ 35.904967] make_task_dead+0x2f/0x30 # [ 35.909345] rewind_stack_and_make_dead+0x17/0x20 # [ 35.914881] RIP: 0033:0x7fc8f4378240 # [ 35.919152] 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 # [ 35.940430] RSP: 002b:00007fff9edea118 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 # [ 35.949179] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fc8f4378240 # [ 35.957441] RDX: 0<6>[ 38.684941] lkdtm: Performing direct entry CORRUPT_PAC 00000000000000a RSI: 00007fc8f425c000 RDI: 0000000000000001 # [<3>[ 38.697052] lkdtm: XFAIL: this test is arm64-only 35.965703] RBP: 000000000000000a R08: 00000000ffffffff R09: 0000000000000000 # [ 35.973964] R10: 00007fc8f42994d0 R11: 0000000000000202 R12: 00007fc8f425c000 # [ 35.982226] 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 # [ 36.230717] lkdtm: Performing direct entry CORRUPT_LIST_ADD # [ 36.239506] lkdtm: attempting good list addition # [ 36.251170] lkdtm: attempting corrupted lis<6>[ 38.809749] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE <3>[ 38.821962] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS t addition # [ 36.263320] lkdtm: list_add() corruption not detected! # CORRUPT_LIST_ADD: missing 'list_add corruption': [FAIL] not ok 10 selftests: lkdtm: CORRUPT_LIST_ADD.sh # exit=1 # selftests: lkdtm: CORRUPT_LIST_DEL.sh # [ 36.425659] lkdtm: Performing direct entry CORRUPT_LIST_DEL # [ 36.437420] lkdtm: attempting good list removal # [ 36.442825] lkdtm: attempting corrupted list removal # [ 36.448677] 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 # [ 36.549890] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING # [ 36.561470] lkdtm: attempting bad read from page below current stack # [ 36.568893] BUG: stack guard page was hit at 00000000bb8e142b (stack is 000000004dc29f1b..00000000b3a8e97f) # [ 36.580080] kernel stack overflow (page fault): 0000 [#3] SMP PTI # [ 36.593393] CPU: 2 PID: 1004 Comm: cat Tainted: G D W 5.10.218-cip49 #1 # [ 36.602338] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 36.615652] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a # [ 36.622460] Code: cc cc cc 0f 1f 44 00 00 53 48 c7 c7 b8 09 0d 91 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 8f dd fb ff 48 c7 c7 f8 09 0d 91 <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 75 dd fb ff 0f 1f 44 # [ 36.643747] RSP: 0018:ffffa6d801993e50 EFLAGS: 00010246 # [ 36.649871] RAX: 0000000000000038 RBX: ffffa6d801990000 RCX: 0000000000000000 # [ 36.658134] RDX: 0000000000000000 RSI: ffff99ef7ad1bf50 RDI: ffffffff910d09f8 # [ 36.666395] RBP: ffffffff910d0122 R08: 0000000000000000 R09: 0000000000000000 # [ 36.674657] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019 # [ 36.68292<6>[ 39.006271] lkdtm: Performing direct entry READ_AFTER_FREE 0] R13: ffffa6d801993f10 R14: ffffa6d801993f10 R15: ffff99ef0763<6>[ 39.016626] lkdtm: Value in memory before free: 12345678 3000 # [ 36.691182] FS: 00007fbf0a1c4740(0000) GS:ffff99ef7a<6>[ 39.029089] lkdtm: Attempting bad read from freed memory d00000(0000) knlGS:0000000000000000 # [ 36.700511] CS: 0010 <6>[ 39.041559] lkdtm: Memory was not poisoned DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 36.707219] CR2: ffffa6d80198ffff CR3: 0000000107528004 CR4: 00000000003706e0 # [ 36.715483] Call Trace: # [ 36.718501] <#DF> # [ 36.721034] ? __die_body.cold+0x1a/0x1f # [ 36.725706] ? die+0x2b/0x50 # [ 36.729211] ? handle_stack_overflow+0x3e/0x4d # [ 36.734462] ? no_context+0x24d/0x380 # [ 36.738840] # [ 36.741467] Modules linked in: fuse ip_tables cros_ec_lid_angle btusb btrtl btbcm btintel cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio iTCO_wdt cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs bluetooth cros_usbpd_logger cros_ec_chardev cros_usbpd_charger uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 watchdog cros_ec_sensorhub ecdh_generic intel_pmc_core_pltdrv snd_soc_max98927 snd_soc_da7219 intel_pmc_core processor_thermal_device gsmi iwlmvm cros_ec_dev x86_pkg_temp_thermal intel_pmc_bxt iwlwifi snd_soc_core idma64 videobuf2_common ecc intel_soc_dts_iosf snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify pinctrl_sunrisepoint int3403_thermal int340x_thermal_zone int3400_thermal chromeos_pstore acpi_thermal_rel cros_kbd_led_backlight coreboot_table # [ 36.829237] ---[ end trace 904211b6156a7d34 ]--- # [ 36.834700] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 36.839361] Code: 89 ff e8 de ab 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 e0 0b eb 03 # [ 36.860637] RSP: 0018:ffffa6d80145be60 EFLAGS: 00010<6>[ 39.201859] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE 282 # [ 36.866762] RAX: ffffffff8ed80270 RBX: 000000000000000<6>[ 39.214981] lkdtm: Value in memory before free: 12345678 1 RCX: 0000000000000000 # [ 36.875023] RDX: 0000000000000000 <6>[ 39.227439] lkdtm: Attempting to read from freed memory <6>[ 39.239763] lkdtm: Buddy page was not poisoned RSI: ffff99ef7ad1bf50 RDI: ffffffff90c40670 # [ 36.883285] RBP: ffffffff91136f98 R08: 0000000000000001 R09: 0000000000000001 # [ 36.891547] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 36.899809] R13: ffffa6d80145bf10 R14: ffffa6d80145bf10 R15: ffff99ef026f4000 # [ 36.908070] FS: 00007fbf0a1c4740(0000) GS:ffff99ef7ad00000(0000) knlGS:0000000000000000 # [ 36.917402] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 36.924108] CR2: ffffa6d80198ffff CR3: 0000000107528004 CR4: 00000000003706e0 # [ 36.932371] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 36.942576] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1004, name: cat # [ 36.951324] INFO: lockdep is turned off. # [ 36.955992] irq event stamp: 0 # [ 36.959699] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 36.966982] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 36.976411] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 #<6>[ 39.348479] lkdtm: Performing direct entry SLAB_FREE_DOUBLE <6>[ 39.357218] lkdtm: Attempting double slab free ... [ 36.985831] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 36.993122] CPU: 2 PID: 1004 Comm: cat Tainted: G D W 5.10.218-cip49 #1 # [ 37.002062] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 37.009159] Call Trace: # [ 37.012178] dump_stack+0x77/0x9b # [ 37.016167] ___might_sleep.cold+0xa6/0xb6 # [ 37.021032] exit_signals+0x1c/0x300 # [ 37.025314] do_exit+0xc2/0xab0 # [ 37.029110] ? ksys_write+0x68/0xf0 # [ 37.033294] make_task_dead+0x2f/0x30 # [ 37.037663] rewind_stack_and_make_dead+0x17/0x20 # [ 37.043205] RIP: 0033:0x7fbf0a2bf240 # [ 37.047486] 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 # [ 37.068763] RSP: 002b:00007ffc71c8fd58 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 # [ 37.077512] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007fbf0a2bf240 # [ 37.085766] RDX: 0000000000000019 RSI: 00007fbf0a1a3000 RDI: 0000000000000001 # [ 37.094027] RBP: 0000000000000019 R08: 00000000ffffffff R09: 0000000000000000 # [ 37.102289] R10: 00007fbf0a1e04d0 R11: 0000000000000202 R12: 00007fbf0a1a3000 # [ 37.110551] 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 # [ 37.210431] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING # [ 37.219491] lkdtm: attempting bad read from page above curre<6>[ 39.524507] lkdtm: Performing direct entry SLAB_FREE_CROSS nt stack # [ 37.226948] BUG: stack guard page was hit at 0000<6>[ 39.531151] lkdtm: Attempting cross-cache slab free ... 0000f3e7f0ed (stack is 00000000a7a6bd9c..0000000053503a85) # [ 37.238133] kernel stack overflow (page fault): 0000 [#4] SMP PTI # [ 37.251440] CPU: 2 PID: 1039 Comm: cat Tainted: G D W 5.10.218-cip49 #1 # [ 37.260383] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 37.267484] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILING+0x27/0x3d # [ 37.274388] Code: dd fb ff 0f 1f 44 00 00 53 48 c7 c7 30 0a 0d 91 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 55 dd fb ff 48 c7 c7 70 0a 0d 91 <8a> 83 00 40 00 00 88 44 24 07 0f b6 74 24 07 5a 5b e9 38 dd fb ff # [ 37.301877] RSP: 0018:ffffa6d801703e50 EFLAGS: 00010246 # [ 37.308005] RAX: 0000000000000038 RBX: ffffa6d801700000 RCX: 0000000000000000 # [ 37.316258] RDX: 0000000000000000 RSI: ffff99ef7ad1bf50 RDI: ffffffff910d0a70 # [ 37.324520] RBP: ffffffff910d013b R08: 0000000000000000 R09: 0000000000000000 # [ 37.332781] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001a # [ 37.341044] R13: ffffa6d801703f10 R14: ffffa6d801703f10 R15: ffff99ef0382a000 # [ 37.349305] FS: 00007ff7ba445740(0000) GS:ffff99ef7ad00000(0000) knlGS:0000000000000000 # [ 37.358636] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 37.365345] CR2: ffffa6d801704000 CR3: 00000001<6>[ 39.667098] lkdtm: Performing direct entry SLAB_FREE_PAGE <6>[ 39.674122] lkdtm: Attempting non-Slab slab free ... 06298002 CR4: 00000000003706e0 # [ 37.373605] Call Trace: # [ 37.376624] <#DF> # [ 37.379150] ? __die_body.cold+0x1a/0x1f # [ 37.383821] ? die+0x2b/0x50 # [ 37.387323] ? handle_stack_overflow+0x3e/0x4d # [ 37.392574] ? no_context+0x24d/0x380 # [ 37.396941] # [ 37.399570] Modules linked in: fuse ip_tables cros_ec_lid_angle btusb btrtl btbcm btintel cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio iTCO_wdt cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs bluetooth cros_usbpd_logger cros_ec_chardev cros_usbpd_charger uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 watchdog cros_ec_sensorhub ecdh_generic intel_pmc_core_pltdrv snd_soc_max98927 snd_soc_da7219 intel_pmc_core processor_thermal_device gsmi iwlmvm cros_ec_dev x86_pkg_temp_thermal intel_pmc_bxt iwlwifi snd_soc_core idma64 videobuf2_common ecc intel_soc_dts_iosf snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify pinctrl_sunrisepoint int3403_thermal int340x_thermal_zone int3400_thermal chromeos_pstore acpi_thermal_rel cros_kbd_led_backlight coreboot_table # [ 37.487329] ---[ end trace 904211b6156a7d35 ]--- # [ 37.492776] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 37.497446] Code: 89 ff e8 de ab 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 e0 0b eb 03 # [ 37.518723] RSP: 0018:ffffa6d80145be60 EFLAGS: 00010282 # [ 37.524848] RAX: ffffffff8ed80270 RBX: 0000000000000001 RCX: 0000000000000000 # [ 37.533109] RDX: 0000000000000000 RSI: ffff99ef7ad1bf50 RDI: ffffffff90c40670 # [ 37.541372] RBP: ffffffff91136f98 R08: 0000000000000001 R09: 0000000000000001 # [ 37.549626] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 37.557888] R13: ffffa6d80145bf10 R14: ffffa6d80145bf10 R15: ffff99ef026f4000 # [ 37.566151] FS: 00007ff7ba445740(0000) GS:ffff99ef7ad00000(0000) knlGS:0000000000000000 # [ 37.575481] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 37.582188] CR2: ffffa6d801704000 CR3: 0000000106298002 CR4: 00000000003706e0 # STACK_GUARD_PAGE_TRAILING: saw 'call trace:': ok ok 13 selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh # selftests: lkdtm: UNSET_SMEP.sh # [ 37.688086] lkdtm: Performing direct entry UNSET_SMEP # [ 37.695900] lkdtm: trying to clear SMEP normally # [ 37.707558] ------------[ cut here ]------------ # [ 37.719245] pinned CR4 bits changed: 0x100000!? # [ 37.730840] WARNING: CPU: 0 PID: 1076 at arch/x86/kernel/cpu/common.c:396 native_write_cr4+0x45/0x60 # [ 37.747568] Modules linked in: f<6>[ 39.938798] lkdtm: Performing direct entry EXEC_DATA <6>[ 39.946877] lkdtm: attempting ok execution at ffffffff8ed80640 use ip_tables cros_ec_lid_angle btusb btrtl btbcm btintel cros_e<6>[ 39.953718] lkdtm: attempting bad execution at ffffffff92c30ea0 <2>[ 39.966864] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) c_sensors cros_ec_sensors_core industrialio_triggered_buffer kfi<1>[ 39.975525] BUG: unable to handle page fault for address: ffffffff92c30ea0 <1>[ 39.989709] #PF: supervisor instruction fetch in kernel mode <1>[ 39.996320] #PF: error_code(0x0011) - permissions violation <6>[ 40.002835] PGD 2c229067 P4D 2c229067 PUD 2c22a063 PMD 800000002da000e3 <4>[ 40.010614] Oops: 0011 [#5] SMP PTI <4>[ 40.014797] CPU: 3 PID: 1600 Comm: cat Tainted: G D W 5.10.218-cip49 #1 <4>[ 40.023747] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 40.030846] RIP: 0010:data_area+0x0/0x40 <4>[ 40.035515] Code: ff ff 00 57 3d 00 ef 99 ff ff 00 56 3d 00 ef 99 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>[ 40.056792] RSP: 0018:ffffa6d8022ebe48 EFLAGS: 00010246 <4>[ 40.062910] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 40.071165] RDX: 0000000000000000 RSI: ffff99ef7ad9bf50 RDI: ffff99ef7ad9bf50 <4>[ 40.079419] RBP: ffffffff92c30ea0 R08: 0000000000000000 R09: 0000000000000000 <4>[ 40.087696] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a <4>[ 40.095958] R13: ffffa6d8022ebf10 R14: ffffa6d8022ebf10 R15: ffff99ef05209000 <4>[ 40.104220] FS: 00007fd8d3f9e740(0000) GS:ffff99ef7ad80000(0000) knlGS:0000000000000000 <4>[ 40.113550] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 40.120257] CR2: ffffffff92c30ea0 CR3: 00000001084ee005 CR4: 00000000003706e0 <4>[ 40.128519] Call Trace: <4>[ 40.131541] ? __die_body.cold+0x1a/0x1f <4>[ 40.136211] ? no_context+0x177/0x380 <4>[ 40.140592] ? exc_page_fault+0xd7/0x170 <4>[ 40.145262] ? asm_exc_page_fault+0x1e/0x30 <4>[ 40.150218] ? execute_location+0x45/0x56 <4>[ 40.154984] ? direct_entry.cold+0x2c/0x38 <4>[ 40.159847] ? full_proxy_write+0x53/0x80 <4>[ 40.164615] ? vfs_write+0xe7/0x3b0 <4>[ 40.168790] ? ksys_write+0x68/0xf0 <4>[ 40.172963] ? do_syscall_64+0x30/0x40 <4>[ 40.177438] ? entry_SYSCALL_64_after_hwframe+0x67/0xd1 fo_buf industrialio iTCO_wdt cros_ec_lightbar cros_ec_sysfs cros<4>[ 40.183557] Modules linked in: fuse ip_tables cros_ec_lid_angle btusb btrtl btbcm btintel cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio iTCO_wdt cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs bluetooth cros_usbpd_logger cros_ec_chardev cros_usbpd_charger uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 watchdog cros_ec_sensorhub ecdh_generic intel_pmc_core_pltdrv snd_soc_max98927 snd_soc_da7219 intel_pmc_core processor_thermal_device gsmi iwlmvm cros_ec_dev x86_pkg_temp_thermal intel_pmc_bxt iwlwifi snd_soc_core idma64 videobuf2_common ecc intel_soc_dts_iosf snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify pinctrl_sunrisepoint int3403_thermal int340x_thermal_zone int3400_thermal chromeos_pstore acpi_thermal_rel cros_kbd_led_backlight coreboot_table <4>[ 40.271317] CR2: ffffffff92c30ea0 <4>[ 40.275305] ---[ end trace 904211b6156a7d37 ]--- <4>[ 40.280752] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 40.285413] Code: 89 ff e8 de ab 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 e0 0b eb 03 <4>[ 40.306698] RSP: 0018:ffffa6d80145be60 EFLAGS: 00010282 <4>[ 40.312824] RAX: ffffffff8ed80270 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 40.321085] RDX: 0000000000000000 RSI: ffff99ef7ad1bf50 RDI: ffffffff90c40670 <4>[ 40.329346] RBP: ffffffff91136f98 R08: 0000000000000001 R09: 0000000000000001 <4>[ 40.337610] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 40.345870] R13: ffffa6d80145bf10 R14: ffffa6d80145bf10 R15: ffff99ef026f4000 <4>[ 40.354133] FS: 00007fd8d3f9e740(0000) GS:ffff99ef7ad80000(0000) knlGS:0000000000000000 <4>[ 40.363462] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 40.370169] CR2: ffffffff92c30ea0 CR3: 00000001084ee005 CR4: 00000000003706e0 <3>[ 40.378433] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 40.388629] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1600, name: cat <4>[ 40.397378] INFO: lockdep is turned off. <4>[ 40.402045] irq event stamp: 0 <4>[ 40.405750] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 40.413041] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 40.422469] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 40.431898] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 40.439191] CPU: 3 PID: 1600 Comm: cat Tainted: G D W 5.10.218-cip49 #1 <4>[ 40.448125] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 40.455220] Call Trace: <4>[ 40.458238] dump_stack+0x77/0x9b <4>[ 40.462220] ___might_sleep.cold+0xa6/0xb6 <4>[ 40.467084] exit_signals+0x1c/0x300 <4>[ 40.471364] do_exit+0xc2/0xab0 <4>[ 40.475160] ? ksys_write+0x68/0xf0 <4>[ 40.479345] make_task_dead+0x2f/0x30 <4>[ 40.483722] rewind_stack_and_make_dead+0x17/0x20 <4>[ 40.489265] RIP: 0033:0x7fd8d4099240 <4>[ 40.493546] 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>[ 40.514823] RSP: 002b:00007ffd4076aa28 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 <4>[ 40.523571] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fd8d4099240 <4>[ 40.531833] RDX: 000000000000000a RSI: 00007fd8d3f7d000 RDI: 0000000000000001 <4>[ 40.540096] RBP: 000000000000000a R08: 00000000ffffffff R09: 0000000000000000 <4>[ 40.548357] R10: 00007fd8d3fba4d0 R11: 0000000000000202 R12: 00007fd8d3f7d000 <4>[ 40.556619] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 _ec_debugfs bluetooth cros_usbpd_logger cros_ec_chardev cros_usbpd_charger uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 watchdog cros_ec_sensorhub ecdh_generic intel_pmc_core_pltdrv snd_soc_max98927 snd_soc_da7219 intel_pmc_core processor_thermal_device gsmi iwlmvm cros_ec_dev x86_pkg_temp_thermal intel_pmc_bxt iwlwifi snd_soc_core idma64 videobuf2_common ecc intel_soc_dts_iosf snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify pinctrl_sunrisepoint int3403_thermal int340x_thermal_zone int3400_thermal chromeos_pstore acpi_thermal_rel cros_kbd_led_backlight coreboot_table # [ 37.835293] CPU: 0 PID: 1076 Comm: cat Tainted: G D W 5.10.218-cip49 #1 # [ 37.850456] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 37.863875] RIP: 0010:native_write_cr4+0x45/0x60 # [ 37.875488] Code: 39 c2 75 2d 48 85 f6 75 05 c3 cc cc cc cc 80 3d 29 63 46 03 00 75 f2 48 c7 c7 20 d5 fc 90 c6 05 19 63 46 03 01 e8 a1 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 # [ 37.903000] RSP: 0018:ffffa6d801aabe48 EFLAGS: 00010286 # [ 37.915362] RAX: 0000000000000000 RBX: 00000000002706f0 RCX: 0000000000000000 # [ 37.929825] RDX: ffff99ef7ac2c620 RSI: ffff99ef7ac1bf50 RDI: ffff99ef7ac1bf50 # [ 37.944284] RBP: ffffffff910d0155 R08: 0000000000000000 R09: 000<6>[ 40.692070] lkdtm: Performing direct entry EXEC_STACK 0000000000000 # [ 37.958778] R10: 00000000ffffe000 R11: 3ffff<6>[ 40.701380] lkdtm: attempting ok execution at ffffffff8ed80640 fffffffffff R12: 000000000000000b # [ 37.973278] R13: ffffa6d<6>[ 40.714403] lkdtm: attempting bad execution at ffffa6d80239be18 801aabf10 R14: ffffa6d801aabf10 R15: ffff99ef02c0f000 # [ 37.<2>[ 40.727526] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) <1>[ 40.742392] BUG: unable to handle page fault for address: ffffa6d80239be18 <1>[ 40.750365] #PF: supervisor instruction fetch in kernel mode <1>[ 40.756978] #PF: error_code(0x0011) - permissions violation 987815] FS: 00007f3217a62740(0000) GS:ffff99ef7ac00000(0000) kn<6>[ 40.763492] PGD 100000067 P4D 100000067 PUD 100242067 PMD 107475067 PTE 8000000106219063 <4>[ 40.779037] Oops: 0011 [#6] SMP PTI <4>[ 40.783222] CPU: 1 PID: 1637 Comm: cat Tainted: G D W 5.10.218-cip49 #1 <4>[ 40.792164] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 40.799262] RIP: 0010:0xffffa6d80239be18 <4>[ 40.803931] Code: 00 00 18 be 39 02 d8 a6 ff ff 7b a7 45 8f ff ff ff ff 20 00 00 00 00 00 00 00 7e 02 0d 91 ff ff ff ff aa a8 45 8f 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>[ 40.825210] RSP: 0018:ffffa6d80239bdf8 EFLAGS: 00010246 <4>[ 40.831335] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 40.839595] RDX: 0000000000000000 RSI: ffff99ef7ac9bf50 RDI: ffff99ef7ac9bf50 <4>[ 40.847857] RBP: ffffa6d80239be18 R08: 0000000000000000 R09: 0000000000000000 <4>[ 40.856120] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b <4>[ 40.864381] R13: ffffa6d80239bf10 R14: ffffa6d80239bf10 R15: ffff99ef062b6000 <4>[ 40.872643] FS: 00007ff3d5665740(0000) GS:ffff99ef7ac80000(0000) knlGS:0000000000000000 <4>[ 40.881973] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 40.888697] CR2: ffffa6d80239be18 CR3: 00000001071fa002 CR4: 00000000003706e0 <4>[ 40.896961] Call Trace: <4>[ 40.899981] ? __die_body.cold+0x1a/0x1f lGS:0000000000000000 # [ 38.003360] CS: 0010 DS: 0000 ES: 00<4>[ 40.904653] ? no_context+0x177/0x380 <4>[ 40.915246] ? exc_page_fault+0xd7/0x170 00 CR0: 0000000080050033 # [ 38.016317] CR2: 00007f3217a41000<4>[ 40.919916] ? asm_exc_page_fault+0x1e/0x30 C[ 40.931096] ? execute_location+0x45/0x56 <4>[ 40.942079] ? lkdtm_EXEC_STACK+0x26/0x44 <4>[ 40.946846] ? direct_entry.cold+0x2c/0x38 <4>[ 40.951701] ? full_proxy_write+0x53/0x80 all Trace: # [ 38.040094] ? __warn+0x80/0x110 # [ 38.0501<4>[ 40.956471] ? vfs_write+0xe7/0x3b0 <4>[ 40.966867] ? ksys_write+0x68/0xf0 <4>[ 40.971051] ? do_syscall_64+0x30/0x40 <4>[ 40.975525] ? entry_SYSCALL_64_after_hwframe+0x67/0xd1 79] ? native_write_cr4+0x45/0x60 # [ 38.061214] ? report_bu<4>[ 40.981647] Modules linked in: fuse ip_tables cros_ec_lid_angle btusb btrtl btbcm btintel cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio iTCO_wdt cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs bluetooth cros_usbpd_logger cros_ec_chardev cros_usbpd_charger uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 watchdog cros_ec_sensorhub ecdh_generic intel_pmc_core_pltdrv snd_soc_max98927 snd_soc_da7219 intel_pmc_core processor_thermal_device gsmi iwlmvm cros_ec_dev x86_pkg_temp_thermal intel_pmc_bxt iwlwifi snd_soc_core idma64 videobuf2_common ecc intel_soc_dts_iosf snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify pinctrl_sunrisepoint int3403_thermal int340x_thermal_zone int3400_thermal chromeos_pstore acpi_thermal_rel cros_kbd_led_backlight coreboot_table <4>[ 41.069365] CR2: ffffa6d80239be18 <4>[ 41.073355] ---[ end trace 904211b6156a7d38 ]--- <4>[ 41.078801] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 41.083470] Code: 89 ff e8 de ab 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 e0 0b eb 03 <4>[ 41.104759] RSP: 0018:ffffa6d80145be60 EFLAGS: 00010282 <4>[ 41.110884] RAX: ffffffff8ed80270 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 41.119146] RDX: 0000000000000000 RSI: ffff99ef7ad1bf50 RDI: ffffffff90c40670 <4>[ 41.127407] RBP: ffffffff91136f98 R08: 0000000000000001 R09: 0000000000000001 <4>[ 41.135667] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 41.143952] R13: ffffa6d80145bf10 R14: ffffa6d80145bf10 R15: ffff99ef026f4000 <4>[ 41.152214] FS: 00007ff3d5665740(0000) GS:ffff99ef7ac80000(0000) knlGS:0000000000000000 <4>[ 41.161544] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 41.168251] CR2: ffffa6d80239be18 CR3: 00000001071fa002 CR4: 00000000003706e0 g+0x9e/0xc0 # [ 38.071621] ? handle_bug+0x41/0x90 # [ 38.082055] ? exc_invalid_op+0x14/0x70 # [ 38.092837] ? asm_exc_invalid_op+0x12/0x20 # [ 38.104081] ? native_write_cr4+0x45/0x60 # [ 38.115042] ? native_write_cr4+0x45/0x60 # [ 38.126127] lkdtm_UNSET_SMEP.cold+0x1d/0x103 # [ 38.137438] direct_entry.cold+0x2c/0x38 # [ 38.148349] full_proxy_write+0x53/0x80 # [ 38.159116] vfs_write+0xe7/0x3b0 # [ 38.169338] ksys_write+0x68/0xf0 # [ 38.179536] do_syscall_64+0x30/0x40 # [ 38.190047] entry_SYSCALL_64_after_hwframe+0x67/0xd1 # [ 38.202196] RIP: 0033:0x7f3217b5d240 # [ 38.212700] 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 # [ 38.240194] RSP: 002b:00007ffd1a354318 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 # [ 38.255195] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f3217b5d240 # [ 38.269703] RDX: 000000000000000b RSI: 00007f3217a41000 RDI: 0000000000000001 # [ 38.284134] RBP: 000000000000000b R08: 00000000fffffff<6>[ 41.287112] lkdtm: Performing direct entry EXEC_KMALLOC f R09: 0000000000000000 # [ 38.298624] R10: 00007f3217a7e4d0 <6>[ 41.294578] lkdtm: attempting ok execution at ffffffff8ed80640 R11: 0000000000000202 R12: 00007f3217a41000 # [ 38.313088] R1<6>[ 41.307615] lkdtm: attempting bad execution at ffff99ef04679e40 3: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 <2>[ 41.320719] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) <1>[ 41.335564] BUG: unable to handle page fault for address: ffff99ef04679e40 <1>[ 41.343535] #PF: supervisor instruction fetch in kernel mode <1>[ 41.350145] #PF: error_code(0x0011) - permissions violation <6>[ 41.356659] PGD 2dc01067 P4D 2dc01067 PUD 100881063 PMD 100f28063 PTE 8000000104679063 <4>[ 41.365829] Oops: 0011 [#7] SMP PTI <4>[ 41.370012] CPU: 0 PID: 1674 Comm: cat Tainted: G D W 5.10.218-cip49 #1 <4>[ 41.378954] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 41.386051] RIP: 0010:0xffff99ef04679e40 <4>[ 41.390733] Code: 00 00 02 00 00 00 00 00 00 00 40 9b 67 04 ef 99 ff ff 04 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 7b fa 2f 8e 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>[ 41.412016] RSP: 0018:ffffa6d802423e38 EFLAGS: 00010246 <4>[ 41.418143] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 41.426404] RDX: 0000000000000000 RSI: ffff99ef7ac1bf50 RDI: ffff99ef7ac1bf50 <4>[ 41.434667] RBP: ffff99ef04679e40 R08: 0000000000000000 R09: 0000000000000000 <4>[ 41.442953] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d <4>[ 41.451215] R13: ffffa6d802423f10 R14: ffffa6d802423f10 R15: ffff99ef03824000 <4>[ 41.459478] FS: 00007fee9c4cd740(0000) GS:ffff99ef7ac00000(0000) knlGS:0000000000000000 <4>[ 41.468810] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 41.475518] CR2: ffff99ef04679e40 CR3: 0000000106748005 CR4: 00000000003706f0 <4>[ 41.483779] Call Trace: <4>[ 41.486800] ? __die_body.cold+0x1a/0x1f <4>[ 41.491475] ? no_context+0x177/0x380 <4>[ 41.495854] ? exc_page_fault+0xd7/0x170 <4>[ 41.500529] ? asm_exc_page_fault+0x1e/0x30 <4>[ 41.505493] ? execute_location+0x45/0x56 <4>[ 41.510257] ? lkdtm_EXEC_KMALLOC+0x2c/0x40 <4>[ 41.515219] ? direct_entry.cold+0x2c/0x38 <4>[ 41.520076] ? full_proxy_write+0x53/0x80 <4>[ 41.524849] ? vfs_write+0xe7/0x3b0 <4>[ 41.529032] ? ksys_write+0x68/0xf0 <4>[ 41.533216] ? do_syscall_64+0x30/0x40 <4>[ 41.537699] ? entry_SYSCALL_64_after_hwframe+0x67/0xd1 <4>[ 41.543828] Modules linked in: fuse ip_tables cros_ec_lid_angle btusb btrtl btbcm btintel cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio iTCO_wdt cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs bluetooth cros_usbpd_logger cros_ec_chardev cros_usbpd_charger uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 watchdog cros_ec_sensorhub ecdh_generic intel_pmc_core_pltdrv snd_soc_max98927 snd_soc_da7219 intel_pmc_core processor_thermal_device gsmi iwlmvm cros_ec_dev x86_pkg_temp_thermal intel_pmc_bxt iwlwifi snd_soc_core idma64 videobuf2_common ecc intel_soc_dts_iosf snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify pinctrl_sunrisepoint int3403_thermal int340x_thermal_zone int3400_thermal chromeos_pstore acpi_thermal_rel cros_kbd_led_backlight coreboot_table <4>[ 41.625372] CR2: ffff99ef04679e40 <4>[ 41.629361] ---[ end trace 904211b6156a7d39 ]--- <4>[ 41.634809] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 41.639478] Code: 89 ff e8 de ab 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 e0 0b eb 03 <4>[ 41.660755] RSP: 0018:ffffa6d80145be60 EFLAGS: 00010282 <4>[ 41.666882] RAX: ffffffff8ed80270 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 41.675142] RDX: 0000000000000000 RSI: ffff99ef7ad1bf50 RDI: ffffffff90c40670 <4>[ 41.683406] RBP: ffffffff91136f98 R08: 0000000000000001 R09: 0000000000000001 <4>[ 41.691686] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 41.699956] R13: ffffa6d80145bf10 R14: ffffa6d80145bf10 R15: ffff99ef026f4000 <4>[ 41.708219] FS: 00007fee9c4cd740(0000) GS:ffff99ef7ac00000(0000) knlGS:0000000000000000 <4>[ 41.717549] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 41.724256] CR2: ffff99ef04679e40 CR3: 0000000106748005 CR4: 00000000003706f0 <3>[ 41.732519] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 41.742737] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1674, name: cat <4>[ 41.751492] INFO: lockdep is turned off. <4>[ 41.756160] irq event stamp: 0 <4>[ 41.759858] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 41.767149] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 41.776578] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 41.785998] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 41.793280] CPU: 0 PID: 1674 Comm: cat Tainted: G D W 5.10.218-cip49 #1 <4>[ 41.802221] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 41.809317] Call Trace: <4>[ 41.812338] dump_stack+0x77/0x9b <4>[ 41.816333] ___might_sleep.cold+0xa6/0xb6 <4>[ 41.821200] exit_signals+0x1c/0x300 <4>[ 41.825481] do_exit+0xc2/0xab0 <4>[ 41.829277] ? ksys_write+0x68/0xf0 <4>[ 41.833461] make_task_dead+0x2f/0x30 <4>[ 41.837839] rewind_stack_and_make_dead+0x17/0x20 <4>[ 41.843381] RIP: 0033:0x7fee9c5c8240 <4>[ 41.847660] 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>[ 41.868937] RSP: 002b:00007fff2073e928 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 <4>[ 41.877694] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007fee9c5c8240 <4>[ 41.885956] RDX: 000000000000000d RSI: 00007fee9c4ac000 RDI: 0000000000000001 <4>[ 41.894218] RBP: 000000000000000d R08: 00000000ffffffff R09: 0000000000000000 <4>[ 41.902481] R10: 00007fee9c4e94d0 R11: 0000000000000202 R12: 00007fee9c4ac000 <4>[ 41.910749] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 # [ 38.327590] irq event stamp: 0 # [ 38.337490] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 38.351019] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 38.366654] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 38.382327] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 38.395819] ---[ end trace 904211b6156a7d36 ]--- # [ 38.407501] lkdtm: ok: SMEP did not get cleared # [ 38.419055] lkdtm: trying to clear SMEP with call gadget # [ 38.431529] 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 # [ 38.573844] lkdtm: Performing direct entry DOUBLE_FAULT # [ 38.586030] lkdtm: XFAIL: this test is ia32-only # DOUBLE_FAULT: saw 'XFAIL': [SKIP] ok 15 selftests: lkdtm: DOUBLE_FAULT.sh # SKIP # selftests: lkdtm: CORRUPT_PAC.sh # [ 38.684941] lkdtm: Performing direct entry CORRUPT_PAC # [ 38.697052] lkdtm: XFAIL: this test is arm64-only # CORRUPT_PAC: saw 'XFAIL': [SKIP] ok 16 selftests: lkdtm: CORRUPT_PAC.sh # SKIP # selftests: lkdtm: UNALIGNED_LOAD_STORE_WRITE.sh # [ 38.809749] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE # [ 38.821962] 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<6>[ 42.086860] lkdtm: Performing direct entry EXEC_VMALLOC # SKIP # selftests: lkdtm: READ_AFTER_FREE.sh # [ 39.006271<6>[ 42.099253] lkdtm: attempting ok execution at ffffffff8ed80640 ] lkdtm: Performing direct entry READ_AFTER_FREE # [ 39.01662<6>[ 42.112261] lkdtm: attempting bad execution at ffffa6d8003a5000 6] lkdtm: Value in memory before free: 12345678 # [ 39.029089<2>[ 42.125365] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) <1>[ 42.140213] BUG: unable to handle page fault for address: ffffa6d8003a5000 <1>[ 42.148183] #PF: supervisor instruction fetch in kernel mode <1>[ 42.154793] #PF: error_code(0x0011) - permissions violation <6>[ 42.161307] PGD 100000067 P4D 100000067 PUD 100242067 PMD 1009f6067 PTE 800000010492b063 <4>[ 42.170646] Oops: 0011 [#8] SMP PTI <4>[ 42.174829] CPU: 0 PID: 1711 Comm: cat Tainted: G D W 5.10.218-cip49 #1 <4>[ 42.183772] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 42.190869] RIP: 0010:0xffffa6d8003a5000 <4>[ 42.195530] Code: Unable to access opcode bytes at RIP 0xffffa6d8003a4fd6. <4>[ 42.203500] RSP: 0018:ffffa6d8024abe38 EFLAGS: 00010246 <4>[ 42.209618] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 42.217870] RDX: 0000000000000000 RSI: ffff99ef7ac1bf50 RDI: ffff99ef7ac1bf50 <4>[ 42.226132] RBP: ffffa6d8003a5000 R08: 0000000000000000 R09: 0000000000000000 <4>[ 42.234395] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d <4>[ 42.242656] R13: ffffa6d8024abf10 R14: ffffa6d8024abf10 R15: ffff99ef0492b000 <4>[ 42.250918] FS: 00007f7316d01740(0000) GS:ffff99ef7ac00000(0000) knlGS:0000000000000000 <4>[ 42.260239] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 42.266947] CR2: ffffa6d8003a4fd6 CR3: 0000000102dc4005 CR4: 00000000003706f0 <4>[ 42.275200] Call Trace: <4>[ 42.278221] ? __die_body.cold+0x1a/0x1f <4>[ 42.282889] ? no_context+0x177/0x380 <4>[ 42.287275] ? exc_page_fault+0xd7/0x170 <4>[ 42.291942] ? asm_exc_page_fault+0x1e/0x30 <4>[ 42.296907] ? execute_location+0x45/0x56 <4>[ 42.301679] ? lkdtm_EXEC_VMALLOC+0x20/0x30 <4>[ 42.306641] ? direct_entry.cold+0x2c/0x38 <4>[ 42.311496] ? full_proxy_write+0x53/0x80 <4>[ 42.316269] ? vfs_write+0xe7/0x3b0 <4>[ 42.320459] ? ksys_write+0x68/0xf0 <4>[ 42.324643] ? do_syscall_64+0x30/0x40 <4>[ 42.329119] ? entry_SYSCALL_64_after_hwframe+0x67/0xd1 <4>[ 42.335248] Modules linked in: fuse ip_tables cros_ec_lid_angle btusb btrtl btbcm btintel cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio iTCO_wdt cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs bluetooth cros_usbpd_logger cros_ec_chardev cros_usbpd_charger uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 watchdog cros_ec_sensorhub ecdh_generic intel_pmc_core_pltdrv snd_soc_max98927 snd_soc_da7219 intel_pmc_core processor_thermal_device gsmi iwlmvm cros_ec_dev x86_pkg_temp_thermal intel_pmc_bxt iwlwifi snd_soc_core idma64 videobuf2_common ecc intel_soc_dts_iosf snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify pinctrl_sunrisepoint int3403_thermal int340x_thermal_zone int3400_thermal chromeos_pstore acpi_thermal_rel cros_kbd_led_backlight coreboot_table <4>[ 42.416796] CR2: ffffa6d8003a5000 <4>[ 42.420776] ---[ end trace 904211b6156a7d3a ]--- <4>[ 42.426221] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 42.430891] Code: 89 ff e8 de ab 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 e0 0b eb 03 <4>[ 42.452168] RSP: 0018:ffffa6d80145be60 EFLAGS: 00010282 <4>[ 42.458294] RAX: ffffffff8ed80270 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 42.466557] RDX: 0000000000000000 RSI: ffff99ef7ad1bf50 RDI: ffffffff90c40670 <4>[ 42.474811] RBP: ffffffff91136f98 R08: 0000000000000001 R09: 0000000000000001 <4>[ 42.483063] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 42.491324] R13: ffffa6d80145bf10 R14: ffffa6d80145bf10 R15: ffff99ef026f4000 <4>[ 42.499586] FS: 00007f7316d01740(0000) GS:ffff99ef7ac00000(0000) knlGS:0000000000000000 <4>[ 42.508915] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 42.515623] CR2: ffffa6d8003a4fd6 CR3: 0000000102dc4005 CR4: 00000000003706f0 ] lkdtm: Attempting bad read from freed memory # [ 39.041559] 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 # [ 39.201859] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE # [ 39.214981] lkdtm: Value in memory before free: 12345678 # [ 39.227439] lkdtm: Attempting to read from freed memory # [ 39.239763] lkdtm: Buddy page was not poisoned # READ_BUDDY_AFTER_FREE: missing 'call trace:': [FAIL] not ok 22 selftests: lkdtm: READ_BUDDY_AFTER_FREE.sh # exit=1 # selftests: lkdtm: SLAB_FREE_DOUBLE.sh # [ 39.348479] lkdtm: Performing direct entry SLAB_FREE_DOUBLE # [ 39.357218] lkdtm: Attempting double slab free ... # SLAB_FREE_DOUBLE: missing 'call trace:': [FAIL] not ok 23 selftests: lkdtm: SLAB_FREE_DOUBLE.sh # exit=1 # selftests: lkdtm: SLAB_FREE_CROSS.sh # [ 39.524507] lkdtm: Performing direct entry SLAB_FREE_CROSS # [ 39.531151] lkdtm: Attempting cross-cache slab free ... # SLAB_FREE_CROSS: missing 'call trace:': [FAIL] not ok 24 selftests: lkdtm: SLAB_FREE_CROSS.sh # exit=1 # selftests: lkdtm: SLAB_FREE_PAGE.sh # [ 39.667098] lkdtm: Performing direct entry SLAB_FREE_PAGE # [ 39.674122] 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 # [ 39.938798] lkdtm: Performing direct entry EXEC_DATA # [ 39.946877] lkdtm: attempting ok execution at ffffffff8ed80640 # [ 39.953718] lkdtm: attempting bad executio<6>[ 42.743575] lkdtm: Performing direct entry EXEC_RODATA <6>[ 42.753650] lkdtm: attempting ok execution at ffffffff8ed80640 <6>[ 42.760490] lkdtm: attempting bad execution at ffffffff90c40b00 n at ffffffff92c30ea0 # [ 39.966864] kernel tried to execute <2>[ 42.767412] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) <1>[ 42.782266] BUG: unable to handle page fault for address: ffffffff90c40b00 <1>[ 42.790228] #PF: supervisor instruction fetch in kernel mode <1>[ 42.796839] #PF: error_code(0x0011) - permissions violation <6>[ 42.803355] PGD 2c229067 P4D 2c229067 PUD 2c22a063 PMD 800000002ba000e1 <4>[ 42.811133] Oops: 0011 [#9] SMP PTI <4>[ 42.815309] CPU: 2 PID: 1748 Comm: cat Tainted: G D W 5.10.218-cip49 #1 <4>[ 42.824243] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 42.831344] RIP: 0010:lkdtm_rodata_do_nothing+0x0/0x10 <4>[ 42.837372] Code: ff ff 1a bd 45 8f ff ff ff ff ca 04 0d 91 ff ff ff ff 60 a4 45 8f 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>[ 42.858650] RSP: 0018:ffffa6d80254be48 EFLAGS: 00010246 <4>[ 42.864777] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 <4>[ 42.873039] RDX: 0000000000000000 RSI: ffff99ef7ad1bf50 RDI: ffff99ef7ad1bf50 <4>[ 42.881299] RBP: ffffffff90c40b00 R08: 0000000000000000 R09: 0000000000000000 <4>[ 42.889560] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c <4>[ 42.897823] R13: ffffa6d80254bf10 R14: ffffa6d80254bf10 R15: ffff99ef02a59000 <4>[ 42.906086] FS: 00007f41a4882740(0000) GS:ffff99ef7ad00000(0000) knlGS:0000000000000000 <4>[ 42.915418] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 42.922126] CR2: ffffffff90c40b00 CR3: 000000010640c005 CR4: 00000000003706e0 <4>[ 42.930386] Call Trace: <4>[ 42.933406] ? __die_body.cold+0x1a/0x1f <4>[ 42.938077] ? no_context+0x177/0x380 <4>[ 42.942456] ? exc_page_fault+0xd7/0x170 <4>[ 42.947125] ? asm_exc_page_fault+0x1e/0x30 <4>[ 42.952082] ? execute_location+0x45/0x56 <4>[ 42.956849] ? direct_entry.cold+0x2c/0x38 <4>[ 42.961707] ? full_proxy_write+0x53/0x80 <4>[ 42.966474] ? vfs_write+0xe7/0x3b0 <4>[ 42.970659] ? ksys_write+0x68/0xf0 <4>[ 42.974842] ? do_syscall_64+0x30/0x40 <4>[ 42.979316] ? entry_SYSCALL_64_after_hwframe+0x67/0xd1 NX-protected page - exploit attempt? (uid: 0) # [ 39.975525] <4>[ 42.985444] Modules linked in: fuse ip_tables cros_ec_lid_angle btusb btrtl btbcm btintel cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio iTCO_wdt cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs bluetooth cros_usbpd_logger cros_ec_chardev cros_usbpd_charger uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 watchdog cros_ec_sensorhub ecdh_generic intel_pmc_core_pltdrv snd_soc_max98927 snd_soc_da7219 intel_pmc_core processor_thermal_device gsmi iwlmvm cros_ec_dev x86_pkg_temp_thermal intel_pmc_bxt iwlwifi snd_soc_core idma64 videobuf2_common ecc intel_soc_dts_iosf snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify pinctrl_sunrisepoint int3403_thermal int340x_thermal_zone int3400_thermal chromeos_pstore acpi_thermal_rel cros_kbd_led_backlight coreboot_table <4>[ 43.073200] CR2: ffffffff90c40b00 <4>[ 43.077190] ---[ end trace 904211b6156a7d3b ]--- <4>[ 43.082637] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 43.087305] Code: 89 ff e8 de ab 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 e0 0b eb 03 <4>[ 43.108584] RSP: 0018:ffffa6d80145be60 EFLAGS: 00010282 <4>[ 43.114711] RAX: ffffffff8ed80270 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 43.122973] RDX: 0000000000000000 RSI: ffff99ef7ad1bf50 RDI: ffffffff90c40670 <4>[ 43.131235] RBP: ffffffff91136f98 R08: 0000000000000001 R09: 0000000000000001 <4>[ 43.139497] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 43.147758] R13: ffffa6d80145bf10 R14: ffffa6d80145bf10 R15: ffff99ef026f4000 <4>[ 43.156019] FS: 00007f41a4882740(0000) GS:ffff99ef7ad00000(0000) knlGS:0000000000000000 <4>[ 43.165349] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 43.172057] CR2: ffffffff90c40b00 CR3: 000000010640c005 CR4: 00000000003706e0 <3>[ 43.180321] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 43.190526] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1748, name: cat <4>[ 43.199274] INFO: lockdep is turned off. <4>[ 43.203941] irq event stamp: 0 <4>[ 43.207637] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 43.214928] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 43.224356] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 43.233785] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 43.241076] CPU: 2 PID: 1748 Comm: cat Tainted: G D W 5.10.218-cip49 #1 <4>[ 43.250008] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 43.257104] Call Trace: <4>[ 43.260124] dump_stack+0x77/0x9b <4>[ 43.264114] ___might_sleep.cold+0xa6/0xb6 <4>[ 43.268970] exit_signals+0x1c/0x300 <4>[ 43.273249] do_exit+0xc2/0xab0 <4>[ 43.277045] ? ksys_write+0x68/0xf0 <4>[ 43.281219] make_task_dead+0x2f/0x30 <4>[ 43.285588] rewind_stack_and_make_dead+0x17/0x20 <4>[ 43.291130] RIP: 0033:0x7f41a497d240 <4>[ 43.295410] 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>[ 43.316698] RSP: 002b:00007ffcea14b7d8 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 <4>[ 43.325447] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f41a497d240 <4>[ 43.333711] RDX: 000000000000000c RSI: 00007f41a4861000 RDI: 0000000000000001 <4>[ 43.341972] RBP: 000000000000000c R08: 00000000ffffffff R09: 0000000000000000 <4>[ 43.350235] R10: 00007f41a489e4d0 R11: 0000000000000202 R12: 00007f41a4861000 <4>[ 43.358497] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 BUG: unable to handle page fault for address: ffffffff92c30ea0 # [ 39.989709] #PF: supervisor instruction fetch in kernel mode # [ 39.996320] #PF: error_code(0x0011) - permissions violation # [ 40.002835] PGD 2c229067 P4D 2c229067 PUD 2c22a063 PMD 800000002da000e3 # [ 40.010614] Oops: 0011 [#5] SMP PTI # [ 40.014797] CPU: 3 PID: 1600 Comm: cat Tainted: G D W 5.10.218-cip49 #1 # [ 40.023747] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 40.030846] RIP: 0010:data_area+0x0/0x40 # [ 40.035515] Code: ff ff 00 57 3d 00 ef 99 ff ff 00 56 3d 00 ef 99 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 # [ 40.056792] RSP: 0018:ffffa6d8022ebe48 EFLAGS: 00010246 # [ 40.062910] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 40.071165] RDX: 0000000000000000 RSI: ffff99ef7ad9bf50 RDI: ffff99ef7ad9bf50 # [ 40.079419] RBP: ffffffff92c30ea0 R08: 0000000000000000 R09: 0000000000000000 # [ 40.087696] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 40.095958] R13: ffffa6d8022ebf10 R14: ffffa6d8022ebf10 R15: ffff99ef05209000 # [ 40.104220] FS: 00007fd8d3f9e740(0000) GS:ffff99ef7ad80000(0000) knlGS:0000000000000000 # [ 40.113550] CS: <6>[ 43.493006] lkdtm: Performing direct entry EXEC_USERSPACE <6>[ 43.503659] lkdtm: attempting ok execution at ffffffff8ed80640 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 40.120257] <6>[ 43.510501] lkdtm: attempting bad execution at 00007f4a16540000 CR2: ffffffff92c30ea0 CR3: 00000001084ee005 CR4: 00000000003706e<2>[ 43.523613] unable to execute userspace code (SMEP?) (uid: 0) <1>[ 43.536533] BUG: unable to handle page fault for address: 00007f4a16540000 <1>[ 43.544506] #PF: supervisor instruction fetch in kernel mode <1>[ 43.551118] #PF: error_code(0x0011) - permissions violation 0 < # [ 40.128519] Call Trace: # [ 40.131541] ? __die_body.6>[ 43.557631] PGD 8000000107719067 P4D 8000000107719067 PUD 1064c2067 PMD 1062ab067 PTE 10c744067 <4>[ 43.573865] Oops: 0011 [#10] SMP PTI cold+0x1a/0x1f # [ 40.136211] ? no_context+0x177/0x380 # [ <4>[ 43.578148] CPU: 2 PID: 1786 Comm: cat Tainted: G D W 5.10.218-cip49 #1 <4>[ 43.593303] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 43.600402] RIP: 0010:0x7f4a16540000 <4>[ 43.604697] Code: Unable to access opcode bytes at RIP 0x7f4a1653ffd6. <4>[ 43.612279] RSP: 0018:ffffa6d80260be50 EFLAGS: 00010246 <4>[ 43.618405] RAX: 0000000000000033 RBX: 0000000000000024 RCX: 0000000000000000 <4>[ 43.626665] RDX: 0000000000000000 RSI: ffff99ef7ad1bf50 RDI: ffff99ef7ad1bf50 <4>[ 43.634927] RBP: 00007f4a16540000 R08: 0000000000000000 R09: 0000000000000000 <4>[ 43.643190] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000f <4>[ 43.651451] R13: ffffa6d80260bf10 R14: ffffa6d80260bf10 R15: ffff99ef07eab000 <4>[ 43.659713] FS: 00007f4a16359740(0000) GS:ffff99ef7ad00000(0000) knlGS:0000000000000000 <4>[ 43.669034] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 43.675753] CR2: 00007f4a16540000 CR3: 00000001075bc001 CR4: 00000000003706e0 <4>[ 43.684014] Call Trace: <4>[ 43.687035] ? __die_body.cold+0x1a/0x1f <4>[ 43.691706] ? no_context+0x177/0x380 <4>[ 43.696087] ? exc_page_fault+0x53/0x170 <4>[ 43.700756] ? asm_exc_page_fault+0x1e/0x30 <4>[ 43.705722] ? lkdtm_EXEC_USERSPACE.cold+0x66/0xae <4>[ 43.711363] ? direct_entry.cold+0x2c/0x38 <4>[ 43.716227] ? full_proxy_write+0x53/0x80 <4>[ 43.720994] ? vfs_write+0xe7/0x3b0 <4>[ 43.725169] ? ksys_write+0x68/0xf0 <4>[ 43.729344] ? do_syscall_64+0x30/0x40 <4>[ 43.733810] ? entry_SYSCALL_64_after_hwframe+0x67/0xd1 40.140592] ? exc_page_fault+0xd7/0x170 # [ 40.145262] ? a<4>[ 43.739938] Modules linked in: fuse ip_tables cros_ec_lid_angle btusb btrtl btbcm btintel cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio iTCO_wdt cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs bluetooth cros_usbpd_logger cros_ec_chardev cros_usbpd_charger uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 watchdog cros_ec_sensorhub ecdh_generic intel_pmc_core_pltdrv snd_soc_max98927 snd_soc_da7219 intel_pmc_core processor_thermal_device gsmi iwlmvm cros_ec_dev x86_pkg_temp_thermal intel_pmc_bxt iwlwifi snd_soc_core idma64 videobuf2_common ecc intel_soc_dts_iosf snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify pinctrl_sunrisepoint int3403_thermal int340x_thermal_zone int3400_thermal chromeos_pstore acpi_thermal_rel cros_kbd_led_backlight coreboot_table <4>[ 43.827704] CR2: 00007f4a16540000 <4>[ 43.831697] ---[ end trace 904211b6156a7d3c ]--- <4>[ 43.837146] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 43.841816] Code: 89 ff e8 de ab 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 e0 0b eb 03 <4>[ 43.863085] RSP: 0018:ffffa6d80145be60 EFLAGS: 00010282 <4>[ 43.869210] RAX: ffffffff8ed80270 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 43.877471] RDX: 0000000000000000 RSI: ffff99ef7ad1bf50 RDI: ffffffff90c40670 <4>[ 43.885747] RBP: ffffffff91136f98 R08: 0000000000000001 R09: 0000000000000001 <4>[ 43.894009] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 43.902270] R13: ffffa6d80145bf10 R14: ffffa6d80145bf10 R15: ffff99ef026f4000 <4>[ 43.910533] FS: 00007f4a16359740(0000) GS:ffff99ef7ad00000(0000) knlGS:0000000000000000 <4>[ 43.919856] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 43.926564] CR2: 00007f4a16540000 CR3: 00000001075bc001 CR4: 00000000003706e0 sm_exc_page_fault+0x1e/0x30 # [ 40.150218] ? execute_location+0x45/0x56 # [ 40.154984] ? direct_entry.cold+0x2c/0x38 # [ 40.159847] ? full_proxy_write+0x53/0x80 # [ 40.164615] ? vfs_write+0xe7/0x3b0 # [ 40.168790] ? ksys_write+0x68/0xf0 # [ 40.172963] ? do_syscall_64+0x30/0x40 # [ 40.177438] ? entry_SYSCALL_64_after_hwframe+0x67/0xd1 # [ 40.183557] Modules linked in: fuse ip_tables cros_ec_lid_angle btusb btrtl btbcm btintel cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio iTCO_wdt cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs bluetooth cros_usbpd_logger cros_ec_chardev cros_usbpd_charger uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 watchdog cros_ec_sensorhub ecdh_generic intel_pmc_core_pltdrv snd_soc_max98927 snd_soc_da7219 intel_pmc_core processor_thermal_device gsmi iwlmvm cros_ec_dev x86_pkg_temp_thermal intel_pmc_bxt iwlwifi snd_soc_core idma64 videobuf2_common ecc intel_soc_dts_iosf snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify pinctrl_sunrisepoint int3403_thermal int340x_thermal_zone int3400_thermal chromeos_pstore acpi_<6>[ 44.044058] lkdtm: Performing direct entry EXEC_NULL thermal_rel cros_kbd_led_backlight coreboot_table # [ 40.2713<6>[ 44.052618] lkdtm: attempting ok execution at ffffffff8ed80640 17] CR2: ffffffff92c30ea0 # [ 40.275305] ---[ end trace 90421<6>[ 44.065637] lkdtm: attempting bad execution at 0000000000000000 1b6156a7d37 ]--- # [ 40.280752] RIP: 0010:lkdtm_BUG+0x5/0x10 <1>[ 44.078789] BUG: kernel NULL pointer dereference, address: 0000000000000000 <1>[ 44.093033] #PF: supervisor instruction fetch in kernel mode <1>[ 44.099644] #PF: error_code(0x0010) - not-present page <6>[ 44.105689] PGD 0 P4D 0 <4>[ 44.108812] Oops: 0010 [#11] SMP PTI <4>[ 44.113093] CPU: 0 PID: 1823 Comm: cat Tainted: G D W 5.10.218-cip49 #1 <4>[ 44.122035] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 44.129133] RIP: 0010:0x0 <4>[ 44.132336] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6. <4>[ 44.140297] RSP: 0018:ffffa6d802693e48 EFLAGS: 00010246 <4>[ 44.146422] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 <4>[ 44.154695] RDX: 0000000000000000 RSI: ffff99ef7ac1bf50 RDI: ffff99ef7ac1bf50 <4>[ 44.162956] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 <4>[ 44.171218] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a <4>[ 44.179481] R13: ffffa6d802693f10 R14: ffffa6d802693f10 R15: ffff99ef0492a000 <4>[ 44.187756] FS: 00007f9b69628740(0000) GS:ffff99ef7ac00000(0000) knlGS:0000000000000000 <4>[ 44.197093] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 44.203801] CR2: ffffffffffffffd6 CR3: 000000010588a005 CR4: 00000000003706f0 <4>[ 44.212061] Call Trace: <4>[ 44.215082] ? __die_body.cold+0x1a/0x1f <4>[ 44.219758] ? no_context+0x177/0x380 <4>[ 44.224144] ? exc_page_fault+0x53/0x170 <4>[ 44.228818] ? asm_exc_page_fault+0x1e/0x30 <4>[ 44.233783] execute_location+0x45/0x56 <4>[ 44.238360] direct_entry.cold+0x2c/0x38 <4>[ 44.243032] full_proxy_write+0x53/0x80 <4>[ 44.247611] vfs_write+0xe7/0x3b0 <4>[ 44.251600] ksys_write+0x68/0xf0 <4>[ 44.255590] do_syscall_64+0x30/0x40 <4>[ 44.259870] entry_SYSCALL_64_after_hwframe+0x67/0xd1 <4>[ 44.265801] RIP: 0033:0x7f9b69723240 <4>[ 44.270081] 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>[ 44.291359] RSP: 002b:00007ffeb75a12e8 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 <4>[ 44.300108] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f9b69723240 <4>[ 44.308369] RDX: 000000000000000a RSI: 00007f9b69607000 RDI: 0000000000000001 <4>[ 44.316630] RBP: 000000000000000a R08: 00000000ffffffff R09: 0000000000000000 <4>[ 44.324890] R10: 00007f9b696444d0 R11: 0000000000000202 R12: 00007f9b69607000 <4>[ 44.333153] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 <4>[ 44.341410] Modules linked in: fuse ip_tables cros_ec_lid_angle btusb btrtl btbcm btintel cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio iTCO_wdt cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs bluetooth cros_usbpd_logger cros_ec_chardev cros_usbpd_charger uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 watchdog cros_ec_sensorhub ecdh_generic intel_pmc_core_pltdrv snd_soc_max98927 snd_soc_da7219 intel_pmc_core processor_thermal_device gsmi iwlmvm cros_ec_dev x86_pkg_temp_thermal intel_pmc_bxt iwlwifi snd_soc_core idma64 videobuf2_common ecc intel_soc_dts_iosf snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify pinctrl_sunrisepoint int3403_thermal int340x_thermal_zone int3400_thermal chromeos_pstore acpi_thermal_rel cros_kbd_led_backlight coreboot_table <4>[ 44.422954] CR2: 0000000000000000 <4>[ 44.426945] ---[ end trace 904211b6156a7d3d ]--- <4>[ 44.432392] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 44.437064] Code: 89 ff e8 de ab 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 e0 0b eb 03 <4>[ 44.458341] RSP: 0018:ffffa6d80145be60 EFLAGS: 00010282 <4>[ 44.464458] RAX: ffffffff8ed80270 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 44.472721] RDX: 0000000000000000 RSI: ffff99ef7ad1bf50 RDI: ffffffff90c40670 <4>[ 44.480973] RBP: ffffffff91136f98 R08: 0000000000000001 R09: 0000000000000001 <4>[ 44.489235] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 44.497488] R13: ffffa6d80145bf10 R14: ffffa6d80145bf10 R15: ffff99ef026f4000 <4>[ 44.505743] FS: 00007f9b69628740(0000) GS:ffff99ef7ac00000(0000) knlGS:0000000000000000 <4>[ 44.515073] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 44.521780] CR2: ffffffffffffffd6 CR3: 000000010588a005 CR4: 00000000003706f0 <3>[ 44.530044] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 44.540248] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1823, name: cat <4>[ 44.548995] INFO: lockdep is turned off. <4>[ 44.553664] irq event stamp: 0 <4>[ 44.557352] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 44.564646] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 44.574074] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 44.583502] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 44.590783] CPU: 0 PID: 1823 Comm: cat Tainted: G D W 5.10.218-cip49 #1 <4>[ 44.599724] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 44.606820] Call Trace: <4>[ 44.609841] dump_stack+0x77/0x9b <4>[ 44.613835] ___might_sleep.cold+0xa6/0xb6 <4>[ 44.618706] exit_signals+0x1c/0x300 <4>[ 44.622993] do_exit+0xc2/0xab0 <4>[ 44.626780] ? ksys_write+0x68/0xf0 <4>[ 44.630971] make_task_dead+0x2f/0x30 <4>[ 44.635348] rewind_stack_and_make_dead+0x17/0x20 <4>[ 44.640891] RIP: 0033:0x7f9b69723240 <4>[ 44.645162] 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>[ 44.666440] RSP: 002b:00007ffeb75a12e8 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 <4>[ 44.675188] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f9b69723240 <4>[ 44.683450] RDX: 000000000000000a RSI: 00007f9b69607000 RDI: 0000000000000001 <4>[ 44.691713] RBP: 000000000000000a R08: 00000000ffffffff R09: 0000000000000000 <4>[ 44.699975] R10: 00007f9b696444d0 R11: 0000000000000202 R12: 00007f9b69607000 <4>[ 44.708237] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 # [ 40.285413] Code: 89 ff e8 de ab 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 e0 0b eb 03 # [ 40.306698] RSP: 0018:ffffa6d80145be60 EFLAGS: 00010282 # [ 40.312824] RAX: ffffffff8ed80270 RBX: 0000000000000001 RCX: 0000000000000000 # [ 40.321085] RDX: 0000000000000000 RSI: ffff99ef7ad1bf50 RDI: ffffffff90c40670 # [ 40.329346] RBP: ffffffff91136f98 R08: 0000000000000001 R09: 0000000000000001 # [ 40.337610] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 40.345870] R13: ffffa6d80145bf10 R14: ffffa6d80145bf10 R15: ffff99ef026f4000 # [ 40.354133] FS: 00007fd8d3f9e740(0000) GS:ffff99ef7ad80000(0000) knlGS:0000000000000000 # [ 40.363462] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 40.370169] CR2: ffffffff92c30ea0 CR3: 00000001084ee005 CR4: 00000000003706e0 # [ 40.378433] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 40.388629] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1600, name: cat # [ 40.397378] INFO: lockdep is turned off. # [ 40.402045] irq event stamp: 0 # [ 40.405750] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 40.413041] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 40.422469] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 40.431898] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 40.439191] CPU: 3 PID: 1600 Comm: cat Tainted: G D W 5.10.218-cip49 #1 # [ 40.448125] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <6>[ 44.879439] lkdtm: Performing direct entry ACCESS_USERSPACE <6>[ 44.890861] lkdtm: attempting bad read at 00007f31c0d98000 <1>[ 44.897323] BUG: unable to handle page fault for address: 00007f31c0d98000 # [ 40.455220] Call Trace: # [ 40.458238] dump_stack+0x77/<1>[ 44.905306] #PF: supervisor read access in kernel mode <1>[ 44.917544] #PF: error_code(0x0001) - permissions violation 0x<9b # [ 40.462220] ___might_sleep.cold+0xa6/0xb6 # [ 40.6>[ 44.924057] PGD 80000001026de067 P4D 80000001026de067 PUD 102c93067 PMD 10374f067 PTE 108dfc067 <4>[ 44.940290] Oops: 0001 [#12] SMP PTI <4>[ 44.944571] CPU: 3 PID: 1859 Comm: cat Tainted: G D W 5.10.218-cip49 #1 <4>[ 44.953513] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 44.960613] RIP: 0010:lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3 <4>[ 44.967126] Code: 00 00 00 75 64 48 83 c4 10 5d c3 cc cc cc cc 48 89 ee 48 c7 c7 e8 11 0d 91 e8 c9 d6 fb ff 48 c7 c7 10 12 0d 91 b8 de c0 de c0 <48> 03 45 00 48 89 04 24 e8 b0 d6 fb ff 48 89 ee 48 c7 c7 38 12 0d <4>[ 44.988404] RSP: 0018:ffffa6d80273be48 EFLAGS: 00010246 <4>[ 44.994528] RAX: 00000000c0dec0de RBX: 0000000000000026 RCX: 0000000000000000 <4>[ 45.002790] RDX: 0000000000000000 RSI: ffff99ef7ad9bf50 RDI: ffffffff910d1210 <4>[ 45.011053] RBP: 00007f31c0d98000 R08: 0000000000000000 R09: 0000000000000000 <4>[ 45.019315] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000011 <4>[ 45.027576] R13: ffffa6d80273bf10 R14: ffffa6d80273bf10 R15: ffff99ef08605000 <4>[ 45.035839] FS: 00007f31c0bb1740(0000) GS:ffff99ef7ad80000(0000) knlGS:0000000000000000 <4>[ 45.045170] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 45.051879] CR2: 00007f31c0d98000 CR3: 0000000103754005 CR4: 00000000003706e0 <4>[ 45.060140] Call Trace: <4>[ 45.063161] ? __die_body.cold+0x1a/0x1f <4>[ 45.067830] ? no_context+0x177/0x380 <4>[ 45.072203] ? exc_page_fault+0x53/0x170 <4>[ 45.076870] ? asm_exc_page_fault+0x1e/0x30 <4>[ 45.081834] ? lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3 <4>[ 45.087667] ? lkdtm_ACCESS_USERSPACE.cold+0x35/0xa3 <4>[ 45.093526] direct_entry.cold+0x2c/0x38 <4>[ 45.098197] full_proxy_write+0x53/0x80 <4>[ 45.102770] vfs_write+0xe7/0x3b0 <4>[ 45.106759] ksys_write+0x68/0xf0 <4>[ 45.110750] do_syscall_64+0x30/0x40 <4>[ 45.115031] entry_SYSCALL_64_after_hwframe+0x67/0xd1 <4>[ 45.120962] RIP: 0033:0x7f31c0cac240 <4>[ 45.125244] 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>[ 45.146521] RSP: 002b:00007ffd16b9da18 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 <4>[ 45.155269] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007f31c0cac240 <4>[ 45.163530] RDX: 0000000000000011 RSI: 00007f31c0b90000 RDI: 0000000000000001 <4>[ 45.171792] RBP: 0000000000000011 R08: 00000000ffffffff R09: 0000000000000000 <4>[ 45.180051] R10: 00007f31c0bcd4d0 R11: 0000000000000202 R12: 00007f31c0b90000 <4>[ 45.188314] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 467084] exit_signals+0x1c/0x300 # [ 40.471364] do_exit+0xc2<4>[ 45.196580] Modules linked in: fuse ip_tables cros_ec_lid_angle btusb btrtl btbcm btintel cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio iTCO_wdt cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs bluetooth cros_usbpd_logger cros_ec_chardev cros_usbpd_charger uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 watchdog cros_ec_sensorhub ecdh_generic intel_pmc_core_pltdrv snd_soc_max98927 snd_soc_da7219 intel_pmc_core processor_thermal_device gsmi iwlmvm cros_ec_dev x86_pkg_temp_thermal intel_pmc_bxt iwlwifi snd_soc_core idma64 videobuf2_common ecc intel_soc_dts_iosf snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify pinctrl_sunrisepoint int3403_thermal int340x_thermal_zone int3400_thermal chromeos_pstore acpi_thermal_rel cros_kbd_led_backlight coreboot_table <4>[ 45.284332] CR2: 00007f31c0d98000 <4>[ 45.288320] ---[ end trace 904211b6156a7d3e ]--- <4>[ 45.293758] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 45.298427] Code: 89 ff e8 de ab 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 e0 0b eb 03 <4>[ 45.319705] RSP: 0018:ffffa6d80145be60 EFLAGS: 00010282 <4>[ 45.325830] RAX: ffffffff8ed80270 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 45.334092] RDX: 0000000000000000 RSI: ffff99ef7ad1bf50 RDI: ffffffff90c40670 <4>[ 45.342353] RBP: ffffffff91136f98 R08: 0000000000000001 R09: 0000000000000001 <4>[ 45.350615] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 45.358876] R13: ffffa6d80145bf10 R14: ffffa6d80145bf10 R15: ffff99ef026f4000 <4>[ 45.367137] FS: 00007f31c0bb1740(0000) GS:ffff99ef7ad80000(0000) knlGS:0000000000000000 <4>[ 45.376467] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 45.383174] CR2: 00007f31c0d98000 CR3: 0000000103754005 CR4: 00000000003706e0 /0xab0 # [ 40.475160] ? ksys_write+0x68/0xf0 # [ 40.479345] make_task_dead+0x2f/0x30 # [ 40.483722] rewind_stack_and_make_dead+0x17/0x20 # [ 40.489265] RIP: 0033:0x7fd8d4099240 # [ 40.493546] 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 # [ 40.514823] RSP: 002b:00007ffd4076aa28 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 # [ 40.523571] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fd8d4099240 # [ 40.531833] RDX: 000000000000000a RSI: 00007fd8d3f7d000 RDI: 0000000000000001 # [ 40.540096] RBP: 000000000000000a R08: 00000000ffffffff R09: 0000000000000000 # [ 40.548357] R10: 00007fd8d3fba4d0 R11: 0000000000000202 R12: 00007fd8d3f7d000 # [ 40.556619] 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 # [ 40.692070] lkdtm: Performing direct entry EXEC_STACK # [ 40.701380] lkdtm: attempting ok execution at ffffffff8ed80640 # [ 40.714403] lkdtm: attempting bad execution at ffffa6d80239be18 # [ 40.727526] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 40.742392] B<6>[ 45.521938] lkdtm: Performing direct entry ACCESS_NULL <6>[ 45.528038] lkdtm: attempting bad read at 0000000000000000 <1>[ 45.534476] BUG: kernel NULL pointer dereference, address: 0000000000000000 <1>[ 45.542552] #PF: supervisor read access in kernel mode <1>[ 45.548582] #PF: error_code(0x0000) - not-present page <6>[ 45.554603] PGD 0 P4D 0 UG: unable to handle page fault for address: ffffa6d80239be18 #<4>[ 45.557720] Oops: 0000 [#13] SMP PTI <4>[ 45.568215] CPU: 3 PID: 1895 Comm: cat Tainted: G D W 5.10.218-cip49 #1 <4>[ 45.577158] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 45.584258] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53 <4>[ 45.589799] Code: 6d d6 fb ff be 00 10 00 00 48 89 ef e8 cb d4 0a ff e9 69 ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 e8 11 0d 91 e8 47 d6 fb ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 10 12 0d 91 48 01 <4>[ 45.611077] RSP: 0018:ffffa6d8027d3e58 EFLAGS: 00010246 <4>[ 45.617194] RAX: 000000000000002e RBX: 0000000000000027 RCX: 0000000000000000 <4>[ 45.625454] RDX: 0000000000000000 RSI: ffff99ef7ad9bf50 RDI: ffff99ef7ad9bf50 <4>[ 45.633716] RBP: ffffffff910d02d9 R08: 0000000000000000 R09: 0000000000000000 <4>[ 45.641978] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c <4>[ 45.650241] R13: ffffa6d8027d3f10 R14: ffffa6d8027d3f10 R15: ffff99ef003d8000 <4>[ 45.658503] FS: 00007efdc7b1a740(0000) GS:ffff99ef7ad80000(0000) knlGS:0000000000000000 <4>[ 45.667835] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 45.674541] CR2: 0000000000000000 CR3: 000000010767a002 CR4: 00000000003706e0 <4>[ 45.682802] Call Trace: <4>[ 45.685823] ? __die_body.cold+0x1a/0x1f <4>[ 45.690495] ? no_context+0x177/0x380 <4>[ 45.694875] ? exc_page_fault+0x53/0x170 <4>[ 45.699543] ? asm_exc_page_fault+0x1e/0x30 <4>[ 45.704507] ? lkdtm_ACCESS_NULL+0x14/0x53 <4>[ 45.709371] ? lkdtm_ACCESS_NULL+0x14/0x53 <4>[ 45.714233] direct_entry.cold+0x2c/0x38 <4>[ 45.718903] full_proxy_write+0x53/0x80 <4>[ 45.723476] vfs_write+0xe7/0x3b0 <4>[ 45.727455] ksys_write+0x68/0xf0 <4>[ 45.731445] do_syscall_64+0x30/0x40 <4>[ 45.735717] entry_SYSCALL_64_after_hwframe+0x67/0xd1 <4>[ 45.741639] RIP: 0033:0x7efdc7c15240 <4>[ 45.745912] 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>[ 45.767191] RSP: 002b:00007ffc79558098 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 <4>[ 45.775939] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007efdc7c15240 <4>[ 45.784201] RDX: 000000000000000c RSI: 00007efdc7af9000 RDI: 0000000000000001 <4>[ 45.792463] RBP: 000000000000000c R08: 00000000ffffffff R09: 0000000000000000 <4>[ 45.800726] R10: 00007efdc7b364d0 R11: 0000000000000202 R12: 00007efdc7af9000 <4>[ 45.809005] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 [ 40.750365] #PF: supervisor instruction fetch in kernel mode<4>[ 45.817271] Modules linked in: fuse ip_tables cros_ec_lid_angle btusb btrtl btbcm btintel cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio iTCO_wdt cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs bluetooth cros_usbpd_logger cros_ec_chardev cros_usbpd_charger uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 watchdog cros_ec_sensorhub ecdh_generic intel_pmc_core_pltdrv snd_soc_max98927 snd_soc_da7219 intel_pmc_core processor_thermal_device gsmi iwlmvm cros_ec_dev x86_pkg_temp_thermal intel_pmc_bxt iwlwifi snd_soc_core idma64 videobuf2_common ecc intel_soc_dts_iosf snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify pinctrl_sunrisepoint int3403_thermal int340x_thermal_zone int3400_thermal chromeos_pstore acpi_thermal_rel cros_kbd_led_backlight coreboot_table <4>[ 45.905025] CR2: 0000000000000000 <4>[ 45.909004] ---[ end trace 904211b6156a7d3f ]--- <4>[ 45.914451] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 45.919120] Code: 89 ff e8 de ab 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 e0 0b eb 03 <4>[ 45.940396] RSP: 0018:ffffa6d80145be60 EFLAGS: 00010282 <4>[ 45.946521] RAX: ffffffff8ed80270 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 45.954784] RDX: 0000000000000000 RSI: ffff99ef7ad1bf50 RDI: ffffffff90c40670 <4>[ 45.963047] RBP: ffffffff91136f98 R08: 0000000000000001 R09: 0000000000000001 <4>[ 45.971308] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 45.979570] R13: ffffa6d80145bf10 R14: ffffa6d80145bf10 R15: ffff99ef026f4000 <4>[ 45.987832] FS: 00007efdc7b1a740(0000) GS:ffff99ef7ad80000(0000) knlGS:0000000000000000 <4>[ 45.997161] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 46.003869] CR2: 0000000000000000 CR3: 000000010767a002 CR4: 00000000003706e0 <3>[ 46.012132] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 46.022336] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1895, name: cat <4>[ 46.031082] INFO: lockdep is turned off. <4>[ 46.035748] irq event stamp: 0 <4>[ 46.039446] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 46.046750] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 46.056178] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 46.065605] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 46.072895] CPU: 3 PID: 1895 Comm: cat Tainted: G D W 5.10.218-cip49 #1 <4>[ 46.081837] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 46.088933] Call Trace: <4>[ 46.091953] dump_stack+0x77/0x9b <4>[ 46.095942] ___might_sleep.cold+0xa6/0xb6 <4>[ 46.100808] exit_signals+0x1c/0x300 <4>[ 46.105090] do_exit+0xc2/0xab0 <4>[ 46.108885] ? ksys_write+0x68/0xf0 <4>[ 46.113069] make_task_dead+0x2f/0x30 <4>[ 46.117445] rewind_stack_and_make_dead+0x17/0x20 <4>[ 46.122989] RIP: 0033:0x7efdc7c15240 <4>[ 46.127261] 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>[ 46.148539] RSP: 002b:00007ffc79558098 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 <4>[ 46.157286] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007efdc7c15240 <4>[ 46.165548] RDX: 000000000000000c RSI: 00007efdc7af9000 RDI: 0000000000000001 <4>[ 46.173808] RBP: 000000000000000c R08: 00000000ffffffff R09: 0000000000000000 <4>[ 46.182068] R10: 00007efdc7b364d0 R11: 0000000000000202 R12: 00007efdc7af9000 <4>[ 46.190331] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 # [ 40.756978] #PF: error_code(0x0011) - permissions violation # [ 40.763492] PGD 100000067 P4D 100000067 PUD 100242067 PMD 107475067 PTE 8000000106219063 # [ 40.779037] Oops: 0011 [#6] SMP PTI # [ 40.783222] CPU: 1 PID: 1637 Comm: cat Tainted: G D W 5.10.218-cip49 #1 # [ 40.792164] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 40.799262] RIP: 0010:0xffffa6d80239be18 # [ 40.803931] Code: 00 00 18 be 39 02 d8 a6 ff ff 7b a7 45 8f ff ff ff ff 20 00 00 00 00 00 00 00 7e 02 0d 91 ff ff ff ff aa a8 45 8f 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 # [ 40.825210] RSP: 0018:ffffa6d80239bdf8 EFLAGS: 00010246 # [ 40.831335] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 40.839595] RDX: 0000000000000000 RSI: ffff99ef7ac9bf50 RDI: ffff99ef7ac9bf50 # [ 40.847857] RBP: ffffa6d80239be18 R08: 0000000000000000 R09: 0000000000000000 # [ 40.856120] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b # [ 40.864381] R13: ffffa6d80239bf10 R14: ffffa6d80239bf10 R15: ffff99ef062b6000 # [ 40.872643] FS: 00007ff3d5665740(0000) GS:ffff99ef7ac80000(0000) knlGS:0000000000000000 # [ 40.881973] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 40.888697] CR2: ffffa6d80239be18 CR3: 00000001071fa002 CR4: 00000000003706e0 # [ 40.896961] Call Trace: # [ 40.899981] ? __die_body.cold+0x1a/0x1f # [ 40.904653] ? no_context+0x177/0x380 # [ 40.915246] ? exc_page_fault+0xd7/0x170 # [ 40.919916] ? asm_exc_page_fault+0x1e/0x30 # [ 40.931096] ? execute_location+0x45/0x56 # [ 40.942079] ? lkdtm_EXEC_STACK+0x26/0x44 # [ 40.946846] ? direct_entry.cold+0x2c/0x38 # [ 40.951701] ? full_proxy_write+0x53/0x80 # [ 40.956471] ?<6>[ 46.370716] lkdtm: Performing direct entry WRITE_RO <6>[ 46.378590] lkdtm: attempting bad rodata write at ffffffff90c40af0 <1>[ 46.385820] BUG: unable to handle page fault for address: ffffffff90c40af0 vfs_write+0xe7/0x3b0 # [ 40.966867] ? ksys_write+0x68/0xf0 <1>[ 46.393802] #PF: supervisor write access in kernel mode <1>[ 46.406142] #PF: error_code(0x0003) - permissions violation <6>[ 46.412654] PGD 2c229067 P4D 2c229067 PUD 2c22a063 PMD 800000002ba000e1 <4>[ 46.420425] Oops: 0003 [#14] SMP PTI <4>[ 46.424706] CPU: 2 PID: 1931 Comm: cat Tainted: G D W 5.10.218-cip49 #1 <4>[ 46.433648] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 46.440754] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a <4>[ 46.446006] Code: 00 48 c7 c7 c8 10 0d 91 48 c7 c6 f0 0a c4 90 e8 f1 d8 fb ff 48 8b 05 45 63 7e 01 ba 34 12 cd ab 48 c7 c7 f8 10 0d 91 48 31 d0 <48> 89 05 2f 63 7e 01 e9 cf d8 fb ff 0f 1f 44 00 00 48 8b 05 7e eb <4>[ 46.467285] RSP: 0018:ffffa6d802853e60 EFLAGS: 00010202 <4>[ 46.473409] RAX: 000000000198b861 RBX: 0000000000000028 RCX: 0000000000000000 <4>[ 46.481671] RDX: 00000000abcd1234 RSI: ffff99ef7ad1bf50 RDI: ffffffff910d10f8 <4>[ 46.489956] RBP: ffffffff910d02e5 R08: 0000000000000000 R09: 0000000000000000 <4>[ 46.498218] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000009 <4>[ 46.506479] R13: ffffa6d802853f10 R14: ffffa6d802853f10 R15: ffff99ef0638a000 <4>[ 46.514750] FS: 00007f3ceb7e2740(0000) GS:ffff99ef7ad00000(0000) knlGS:0000000000000000 <4>[ 46.524079] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 46.530787] CR2: ffffffff90c40af0 CR3: 00000001062ae005 CR4: 00000000003706e0 <4>[ 46.539047] Call Trace: <4>[ 46.542068] ? __die_body.cold+0x1a/0x1f <4>[ 46.546737] ? no_context+0x177/0x380 <4>[ 46.551159] ? exc_page_fault+0xd7/0x170 <4>[ 46.555827] ? asm_exc_page_fault+0x1e/0x30 <4>[ 46.560790] ? lkdtm_WRITE_RO+0x2e/0x3a <4>[ 46.565362] direct_entry.cold+0x2c/0x38 <4>[ 46.570033] full_proxy_write+0x53/0x80 <4>[ 46.574606] vfs_write+0xe7/0x3b0 <4>[ 46.578595] ksys_write+0x68/0xf0 <4>[ 46.582585] do_syscall_64+0x30/0x40 <4>[ 46.586864] entry_SYSCALL_64_after_hwframe+0x67/0xd1 <4>[ 46.592795] RIP: 0033:0x7f3ceb8dd240 <4>[ 46.597066] 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>[ 46.618343] RSP: 002b:00007fff07140cc8 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 <4>[ 46.627091] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f3ceb8dd240 <4>[ 46.635353] RDX: 0000000000000009 RSI: 00007f3ceb7c1000 RDI: 0000000000000001 <4>[ 46.643612] RBP: 0000000000000009 R08: 00000000ffffffff R09: 0000000000000000 <4>[ 46.651873] R10: 00007f3ceb7fe4d0 R11: 0000000000000202 R12: 00007f3ceb7c1000 <4>[ 46.660134] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 # [ 40.971051] ? do_syscall_64+0x30/0x40 # [ 40.975525] <4>[ 46.668399] Modules linked in: fuse ip_tables cros_ec_lid_angle btusb btrtl btbcm btintel cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio iTCO_wdt cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs bluetooth cros_usbpd_logger cros_ec_chardev cros_usbpd_charger uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 watchdog cros_ec_sensorhub ecdh_generic intel_pmc_core_pltdrv snd_soc_max98927 snd_soc_da7219 intel_pmc_core processor_thermal_device gsmi iwlmvm cros_ec_dev x86_pkg_temp_thermal intel_pmc_bxt iwlwifi snd_soc_core idma64 videobuf2_common ecc intel_soc_dts_iosf snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify pinctrl_sunrisepoint int3403_thermal int340x_thermal_zone int3400_thermal chromeos_pstore acpi_thermal_rel cros_kbd_led_backlight coreboot_table <4>[ 46.756145] CR2: ffffffff90c40af0 <4>[ 46.760133] ---[ end trace 904211b6156a7d40 ]--- <4>[ 46.765579] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 46.770246] Code: 89 ff e8 de ab 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 e0 0b eb 03 <4>[ 46.791522] RSP: 0018:ffffa6d80145be60 EFLAGS: 00010282 <4>[ 46.797648] RAX: ffffffff8ed80270 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 46.805908] RDX: 0000000000000000 RSI: ffff99ef7ad1bf50 RDI: ffffffff90c40670 <4>[ 46.814169] RBP: ffffffff91136f98 R08: 0000000000000001 R09: 0000000000000001 <4>[ 46.822433] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 46.830696] R13: ffffa6d80145bf10 R14: ffffa6d80145bf10 R15: ffff99ef026f4000 <4>[ 46.838958] FS: 00007f3ceb7e2740(0000) GS:ffff99ef7ad00000(0000) knlGS:0000000000000000 <4>[ 46.848288] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 46.854995] CR2: ffffffff90c40af0 CR3: 00000001062ae005 CR4: 00000000003706e0 ? entry_SYSCALL_64_after_hwframe+0x67/0xd1 # [ 40.981647] Modules linked in: fuse ip_tables cros_ec_lid_angle btusb btrtl btbcm btintel cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio iTCO_wdt cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs bluetooth cros_usbpd_logger cros_ec_chardev cros_usbpd_charger uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 watchdog cros_ec_sensorhub ecdh_generic intel_pmc_core_pltdrv snd_soc_max98927 snd_soc_da7219 intel_pmc_core processor_thermal_device gsmi iwlmvm cros_ec_dev x86_pkg_temp_thermal intel_pmc_bxt iwlwifi snd_soc_core idma64 videobuf2_common ecc intel_soc_dts_iosf snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify pinctrl_sunrisepoint int3403_thermal int340x_thermal_zone int3400_thermal chromeos_pstore acpi_thermal_rel cros_kbd_led_backlight coreboot_table # [ 41.069365] CR2: ffffa6d80239be18 # [ 41.073355] ---[ end trace 904211b6156a7d38 ]--- # [ 41.078801] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 41.083470] Code: 89 ff e8 de ab 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 e0 0b eb 03 # [ 41.104759] RSP: 0018:ffffa6d80145be60 EFLAGS: 00010282 # [ 41.110884] RAX: ffffffff8ed80270 RBX: 0000000000000001 RCX: 0000000000000000 # [ 41.119146] RDX<6>[ 46.998877] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT <6>[ 47.006842] lkdtm: attempting bad ro_after_init write at ffffffff91159350 <1>[ 47.014734] BUG: unable to handle page fault for address: ffffffff91159350 <1>[ 47.022713] #PF: supervisor write access in kernel mode <1>[ 47.028838] #PF: error_code(0x0003) - permissions violation <6>[ 47.035356] PGD 2c229067 P4D 2c229067 PUD 2c22a063 PMD 800000002be000e1 : 0000000000000000 RSI: ffff99ef7ad1bf50 RDI: ffffffff90c40670 <4>[ 47.043137] Oops: 0003 [#15] SMP PTI <4>[ 47.053632] CPU: 3 PID: 1967 Comm: cat Tainted: G D W 5.10.218-cip49 #1 # [ 41.127407] RBP: ffffffff91136f98 R08: 0000000000000001 R09<4>[ 47.062575] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 47.075889] RIP: 0010:lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a <4>[ 47.082209] Code: 11 0d 91 e9 a3 d8 fb ff 48 c7 c7 50 11 0d 91 e8 97 d8 fb ff 48 8b 05 4b eb cf 01 ba 34 12 cd ab 48 c7 c7 f8 10 0d 91 48 31 d0 <48> 89 05 35 eb cf 01 e9 75 d8 fb ff 0f 1f 44 00 00 41 54 48 c7 c7 <4>[ 47.103486] RSP: 0018:ffffa6d802903e60 EFLAGS: 00010202 <4>[ 47.109603] RAX: 00000000fe67479e RBX: 0000000000000029 RCX: 0000000000000000 <4>[ 47.117866] RDX: 00000000abcd1234 RSI: ffff99ef7ad9bf50 RDI: ffffffff910d10f8 <4>[ 47.126127] RBP: ffffffff910d02ee R08: 0000000000000000 R09: 0000000000000000 <4>[ 47.134388] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000014 <4>[ 47.142649] R13: ffffa6d802903f10 R14: ffffa6d802903f10 R15: ffff99ef085ee000 <4>[ 47.150910] FS: 00007f827fe84740(0000) GS:ffff99ef7ad80000(0000) knlGS:0000000000000000 <4>[ 47.160240] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 47.166948] CR2: ffffffff91159350 CR3: 0000000102df6006 CR4: 00000000003706e0 <4>[ 47.175209] Call Trace: <4>[ 47.178229] ? __die_body.cold+0x1a/0x1f <4>[ 47.182900] ? no_context+0x177/0x380 <4>[ 47.187279] ? exc_page_fault+0xd7/0x170 <4>[ 47.191948] ? asm_exc_page_fault+0x1e/0x30 <4>[ 47.196902] ? lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a <4>[ 47.202541] direct_entry.cold+0x2c/0x38 <4>[ 47.207211] full_proxy_write+0x53/0x80 <4>[ 47.211784] vfs_write+0xe7/0x3b0 <4>[ 47.215774] ksys_write+0x68/0xf0 <4>[ 47.219764] do_syscall_64+0x30/0x40 <4>[ 47.224044] entry_SYSCALL_64_after_hwframe+0x67/0xd1 <4>[ 47.229975] RIP: 0033:0x7f827ff7f240 <4>[ 47.234254] 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>[ 47.255532] RSP: 002b:00007ffccac75f88 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 <4>[ 47.264271] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f827ff7f240 <4>[ 47.272531] RDX: 0000000000000014 RSI: 00007f827fe63000 RDI: 0000000000000001 <4>[ 47.280791] RBP: 0000000000000014 R08: 00000000ffffffff R09: 0000000000000000 <4>[ 47.289054] R10: 00007f827fea04d0 R11: 0000000000000202 R12: 00007f827fe63000 <4>[ 47.297316] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 : 0000000000000001 # [ 41.135667] R10: 00000000ffffe000 R11: <4>[ 47.305579] Modules linked in: fuse ip_tables cros_ec_lid_angle btusb btrtl btbcm btintel cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio iTCO_wdt cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs bluetooth cros_usbpd_logger cros_ec_chardev cros_usbpd_charger uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 watchdog cros_ec_sensorhub ecdh_generic intel_pmc_core_pltdrv snd_soc_max98927 snd_soc_da7219 intel_pmc_core processor_thermal_device gsmi iwlmvm cros_ec_dev x86_pkg_temp_thermal intel_pmc_bxt iwlwifi snd_soc_core idma64 videobuf2_common ecc intel_soc_dts_iosf snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify pinctrl_sunrisepoint int3403_thermal int340x_thermal_zone int3400_thermal chromeos_pstore acpi_thermal_rel cros_kbd_led_backlight coreboot_table <4>[ 47.393333] CR2: ffffffff91159350 <4>[ 47.397315] ---[ end trace 904211b6156a7d41 ]--- <4>[ 47.402754] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 47.407424] Code: 89 ff e8 de ab 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 e0 0b eb 03 <4>[ 47.428702] RSP: 0018:ffffa6d80145be60 EFLAGS: 00010282 <4>[ 47.434827] RAX: ffffffff8ed80270 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 47.443089] RDX: 0000000000000000 RSI: ffff99ef7ad1bf50 RDI: ffffffff90c40670 <4>[ 47.451347] RBP: ffffffff91136f98 R08: 0000000000000001 R09: 0000000000000001 <4>[ 47.459607] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 47.467866] R13: ffffa6d80145bf10 R14: ffffa6d80145bf10 R15: ffff99ef026f4000 <4>[ 47.476127] FS: 00007f827fe84740(0000) GS:ffff99ef7ad80000(0000) knlGS:0000000000000000 <4>[ 47.485456] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 47.492162] CR2: ffffffff91159350 CR3: 0000000102df6006 CR4: 00000000003706e0 <3>[ 47.500425] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 47.510620] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1967, name: cat <4>[ 47.519367] INFO: lockdep is turned off. <4>[ 47.524034] irq event stamp: 0 <4>[ 47.527746] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 47.535036] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 47.544463] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 47.553889] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 47.561181] CPU: 3 PID: 1967 Comm: cat Tainted: G D W 5.10.218-cip49 #1 <4>[ 47.570114] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 47.577210] Call Trace: <4>[ 47.580229] dump_stack+0x77/0x9b <4>[ 47.584218] ___might_sleep.cold+0xa6/0xb6 <4>[ 47.589073] exit_signals+0x1c/0x300 <4>[ 47.593353] do_exit+0xc2/0xab0 <4>[ 47.597150] ? ksys_write+0x68/0xf0 <4>[ 47.601334] make_task_dead+0x2f/0x30 <4>[ 47.605713] rewind_stack_and_make_dead+0x17/0x20 <4>[ 47.611256] RIP: 0033:0x7f827ff7f240 <4>[ 47.615527] 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>[ 47.636806] RSP: 002b:00007ffccac75f88 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 <4>[ 47.645556] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f827ff7f240 <4>[ 47.653818] RDX: 0000000000000014 RSI: 00007f827fe63000 RDI: 0000000000000001 <4>[ 47.662081] RBP: 0000000000000014 R08: 00000000ffffffff R09: 0000000000000000 <4>[ 47.670342] R10: 00007f827fea04d0 R11: 0000000000000202 R12: 00007f827fe63000 <4>[ 47.678603] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 3fffffffffffffff R12: 0000000000000004 # [ 41.143952] R13: ffffa6d80145bf10 R14: ffffa6d80145bf10 R15: ffff99ef026f4000 # [ 41.152214] FS: 00007ff3d5665740(0000) GS:ffff99ef7ac80000(0000) knlGS:0000000000000000 # [ 41.161544] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 41.168251] CR2: ffffa6d80239be18 CR3: 00000001071fa002 CR4: 00000000003706e0 # EXEC_STACK: saw 'call trace:': ok ok 31 selftests: lkdtm: EXEC_STACK.sh # selftests: lkdtm: EXEC_KMALLOC.sh # Killed # [ 41.287112] lkdtm: Performing direct entry EXEC_KMALLOC # [ 41.294578] lkdtm: attempting ok execution at ffffffff8ed80640 # [ 41.307615] lkdtm: attempting bad execution at ffff99ef04679e40 # [ 41.320719] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 41.335564] BUG: unable to handle page fault for address: ffff99ef04679e40 # [ 41.343535] #PF: supervisor instruction fetch in kernel mode # [ 41.350145] #PF: error_code(0x0011) - permissions violation # [ 41.356659] PGD 2dc01067 P4D 2dc01067 PUD 100881063 PMD 100f28063 PTE 8000000104679063 # [ 41.365829] Oops: 0011 [#7] SMP PTI # [ 41.370012] CPU: 0 PID: 1674 Comm: cat Tainted: G D W 5.10.218-cip49 #1 # [ 41.378954] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 41.386051] RIP: 0010:0xffff99ef04679e40 # [ 41.390733] Code: 00 00 02 00 00 00 00 00 00 00 40 9b 67 04 ef 99 ff ff 04 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 7b fa<6>[ 47.825913] lkdtm: Performing direct entry WRITE_KERN <6>[ 47.835814] lkdtm: attempting bad 7184613 byte write at ffffffff8f45a725 2f 8e ff ff ff ff <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 0<1>[ 47.843615] BUG: unable to handle page fault for address: ffffffff8f45a725 <1>[ 47.857787] #PF: supervisor write access in kernel mode <1>[ 47.863916] #PF: error_code(0x0003) - permissions violation <6>[ 47.870429] PGD 2c229067 P4D 2c229067 PUD 2c22a063 PMD 2a2000e1 0 00 0f 1f 44 00 00 55 # [ 41.412016] RSP: 0018:ffffa6d802423<4>[ 47.877434] Oops: 0003 [#16] SMP PTI <4>[ 47.887928] CPU: 3 PID: 2003 Comm: cat Tainted: G D W 5.10.218-cip49 #1 <4>[ 47.896871] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 47.903970] RIP: 0010:lkdtm_WRITE_KERN+0x38/0x4e <4>[ 47.909417] Code: 53 48 c7 c3 25 a7 45 8f 49 89 dc 48 89 da 49 81 ec 40 06 d8 8e 4c 89 e6 e8 4a d8 fb ff 48 89 df 4c 89 e1 48 c7 c6 40 06 d8 8e a4 48 c7 c7 f8 10 0d 91 e8 2f d8 fb ff 5b 41 5c e9 b7 fe ff ff <4>[ 47.930695] RSP: 0018:ffffa6d80299be50 EFLAGS: 00010246 <4>[ 47.936821] RAX: 000000000000003c RBX: ffffffff8f45a725 RCX: 00000000006da0e5 <4>[ 47.945083] RDX: 0000000000000000 RSI: ffffffff8ed80640 RDI: ffffffff8f45a725 <4>[ 47.953346] RBP: ffffffff910d0302 R08: 0000000000000000 R09: 0000000000000000 <4>[ 47.961606] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 00000000006da0e5 <4>[ 47.969867] R13: ffffa6d80299bf10 R14: ffffa6d80299bf10 R15: ffff99ef06253000 <4>[ 47.978129] FS: 00007fe2143b1740(0000) GS:ffff99ef7ad80000(0000) knlGS:0000000000000000 <4>[ 47.987460] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 47.994169] CR2: ffffffff8f45a725 CR3: 0000000103fb6002 CR4: 00000000003706e0 <4>[ 48.002430] Call Trace: <4>[ 48.005451] ? __die_body.cold+0x1a/0x1f <4>[ 48.010121] ? no_context+0x177/0x380 <4>[ 48.014491] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 <4>[ 48.020229] ? exc_page_fault+0xd7/0x170 <4>[ 48.024888] ? asm_exc_page_fault+0x1e/0x30 <4>[ 48.029848] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 <4>[ 48.035588] ? lkdtm_SLAB_FREE_PAGE+0x40/0x40 <4>[ 48.040755] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 <4>[ 48.046493] ? lkdtm_WRITE_KERN+0x38/0x4e <4>[ 48.051260] direct_entry.cold+0x2c/0x38 <4>[ 48.055921] full_proxy_write+0x53/0x80 <4>[ 48.060486] vfs_write+0xe7/0x3b0 <4>[ 48.064476] ksys_write+0x68/0xf0 <4>[ 48.068465] do_syscall_64+0x30/0x40 <4>[ 48.072757] entry_SYSCALL_64_after_hwframe+0x67/0xd1 <4>[ 48.078700] RIP: 0033:0x7fe2144ac240 <4>[ 48.082980] 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>[ 48.104250] RSP: 002b:00007ffd8c0ea3a8 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 <4>[ 48.112997] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007fe2144ac240 <4>[ 48.121258] RDX: 000000000000000b RSI: 00007fe214390000 RDI: 0000000000000001 <4>[ 48.129521] RBP: 000000000000000b R08: 00000000ffffffff R09: 0000000000000000 <4>[ 48.137781] R10: 00007fe2143cd4d0 R11: 0000000000000202 R12: 00007fe214390000 <4>[ 48.146043] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 e38 EFLAGS: 00010246 # [ 41.418143] RAX: 0000000000000033 RBX<4>[ 48.154308] Modules linked in: fuse ip_tables cros_ec_lid_angle btusb btrtl btbcm btintel cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio iTCO_wdt cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs bluetooth cros_usbpd_logger cros_ec_chardev cros_usbpd_charger uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 watchdog cros_ec_sensorhub ecdh_generic intel_pmc_core_pltdrv snd_soc_max98927 snd_soc_da7219 intel_pmc_core processor_thermal_device gsmi iwlmvm cros_ec_dev x86_pkg_temp_thermal intel_pmc_bxt iwlwifi snd_soc_core idma64 videobuf2_common ecc intel_soc_dts_iosf snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify pinctrl_sunrisepoint int3403_thermal int340x_thermal_zone int3400_thermal chromeos_pstore acpi_thermal_rel cros_kbd_led_backlight coreboot_table <4>[ 48.242060] CR2: ffffffff8f45a725 <4>[ 48.246048] ---[ end trace 904211b6156a7d42 ]--- <4>[ 48.251488] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 48.256155] Code: 89 ff e8 de ab 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 e0 0b eb 03 <4>[ 48.277434] RSP: 0018:ffffa6d80145be60 EFLAGS: 00010282 <4>[ 48.283560] RAX: ffffffff8ed80270 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 48.291821] RDX: 0000000000000000 RSI: ffff99ef7ad1bf50 RDI: ffffffff90c40670 <4>[ 48.300082] RBP: ffffffff91136f98 R08: 0000000000000001 R09: 0000000000000001 <4>[ 48.308344] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 48.316607] R13: ffffa6d80145bf10 R14: ffffa6d80145bf10 R15: ffff99ef026f4000 <4>[ 48.324870] FS: 00007fe2143b1740(0000) GS:ffff99ef7ad80000(0000) knlGS:0000000000000000 <4>[ 48.334200] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 48.340909] CR2: ffffffff8f45a725 CR3: 0000000103fb6002 CR4: 00000000003706e0 : 0000000000000001 RCX: 0000000000000000 # [ 41.426404] RDX: 0000000000000000 RSI: ffff99ef7ac1bf50 RDI: ffff99ef7ac1bf50 # [ 41.434667] RBP: ffff99ef04679e40 R08: 0000000000000000 R09: 0000000000000000 # [ 41.442953] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d # [ 41.451215] R13: ffffa6d802423f10 R14: ffffa6d802423f10 R15: ffff99ef03824000 # [ 41.459478] FS: 00007fee9c4cd740(0000) GS:ffff99ef7ac00000(0000) knlGS:0000000000000000 # [ 41.468810] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 41.475518] CR2: ffff99ef04679e40 CR3: 0000000106748005 CR4: 00000000003706f0 # [ 41.483779] Call Trace: # [ 41.486800] ? __die_body.cold+0x1a/0x1f # [ 41.491475] ? no_context+0x177/0x380 # [ 41.495854] ? exc_page_fault+0xd7/0x170 # [ 41.500529] ? asm_exc_page_fault+0x1e/0x30 # [ 41.505493] ? execute_location+0x45/0x56 # [ 41.510257] ? lkdtm_EXEC_KMALLOC+0x2c/0x40 # [ 41.515219] ? direct_entry.cold+0x2c/0x38 # [ 41.520076] ? full_proxy_write+0x53/0x80 # [ 41.524849] ? vfs_write+0xe7/0x3b0 # [ 41.529032] ? ksys_write+0x68/0xf0 # [ 41.533216] ? do_syscall_64+0x30/0x40 # [ 41.537699] ? entry_SYSCALL_64_after_hwframe+0x67/0xd1 # [ 41.543828] Modules linked in: fuse ip_tables cros_ec_lid_angle btusb btrtl btbcm btintel cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio iTCO_wdt cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs bl<6>[ 48.489651] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW <6>[ 48.499253] lkdtm: attempting good refcount_inc() without overflow uetooth cros_usbpd_logger cros_ec_chardev cros_usbpd_charger uvc<6>[ 48.506491] lkdtm: attempting bad refcount_inc() overflow <4>[ 48.519001] ------------[ cut here ]------------ <4>[ 48.524461] refcount_t: saturated; leaking memory. <4>[ 48.530125] WARNING: CPU: 2 PID: 2039 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 video videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 watchdog<4>[ 48.539853] Modules linked in: fuse ip_tables cros_ec_lid_angle btusb btrtl btbcm btintel cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio iTCO_wdt cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs bluetooth cros_usbpd_logger cros_ec_chardev cros_usbpd_charger uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 watchdog cros_ec_sensorhub ecdh_generic intel_pmc_core_pltdrv snd_soc_max98927 snd_soc_da7219 intel_pmc_core processor_thermal_device gsmi iwlmvm cros_ec_dev x86_pkg_temp_thermal intel_pmc_bxt iwlwifi snd_soc_core idma64 videobuf2_common ecc intel_soc_dts_iosf snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify pinctrl_sunrisepoint int3403_thermal int340x_thermal_zone int3400_thermal chromeos_pstore acpi_thermal_rel cros_kbd_led_backlight coreboot_table <4>[ 48.627619] CPU: 2 PID: 2039 Comm: cat Tainted: G D W 5.10.218-cip49 #1 cros_ec_sensorhub ecdh_generic intel_pmc_core_pltdrv snd_soc_ma<4>[ 48.636572] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 x98927 snd_soc_da7219 intel_pmc_core processor_thermal_device gs<4>[ 48.649889] RIP: 0010:refcount_warn_saturate+0x51/0x110 mi iwlmvm cros_ec_dev x86_pkg_temp_thermal intel_pmc_bxt iwlwifi<4>[ 48.662233] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 8a cf f6 02 00 75 ee 48 c7 c7 40 aa 02 91 c6 05 7a cf f6 02 01 e8 15 6e c5 00 <0f> 0b c3 cc cc cc cc 80 3d 66 cf f6 02 00 75 cb 48 c7 c7 68 aa 02 <4>[ 48.689735] RSP: 0018:ffffa6d802a2be48 EFLAGS: 00010286 <4>[ 48.695893] RAX: 0000000000000000 RBX: 000000000000002b RCX: 0000000000000000 <4>[ 48.704183] RDX: ffff99ef7ad2c620 RSI: ffff99ef7ad1bf50 RDI: ffff99ef7ad1bf50 <4>[ 48.712448] RBP: ffffffff910d030d R08: 0000000000000000 R09: 0000000000000000 <4>[ 48.720715] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 <4>[ 48.728982] R13: ffffa6d802a2bf10 R14: ffffa6d802a2bf10 R15: ffff99ef070b2000 <4>[ 48.737249] FS: 00007fc2b58bd740(0000) GS:ffff99ef7ad00000(0000) knlGS:0000000000000000 snd_soc_core idma64 videobuf2_common ecc intel_soc_dts_iosf snd<4>[ 48.746600] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 48.759532] CR2: 00007fc2b589c000 CR3: 0000000108420003 CR4: 00000000003706e0 <4>[ 48.767798] Call Trace: <4>[ 48.770824] ? __warn+0x80/0x110 <4>[ 48.774761] ? refcount_warn_saturate+0x51/0x110 <4>[ 48.780211] ? report_bug+0x9e/0xc0 <4>[ 48.784399] ? handle_bug+0x41/0x90 <4>[ 48.788609] ? exc_invalid_op+0x14/0x70 <4>[ 48.793185] ? asm_exc_invalid_op+0x12/0x20 <4>[ 48.798152] ? refcount_warn_saturate+0x51/0x110 <4>[ 48.803633] ? refcount_warn_saturate+0x51/0x110 <4>[ 48.809083] lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x98 <4>[ 48.814727] direct_entry.cold+0x2c/0x38 <4>[ 48.819401] full_proxy_write+0x53/0x80 <4>[ 48.824001] vfs_write+0xe7/0x3b0 <4>[ 48.827999] ksys_write+0x68/0xf0 <4>[ 48.831993] do_syscall_64+0x30/0x40 <4>[ 48.836278] entry_SYSCALL_64_after_hwframe+0x67/0xd1 <4>[ 48.842215] RIP: 0033:0x7fc2b59b8240 <4>[ 48.846496] 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>[ 48.867775] RSP: 002b:00007ffd7c7273b8 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 <4>[ 48.876526] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fc2b59b8240 <4>[ 48.884791] RDX: 0000000000000016 RSI: 00007fc2b589c000 RDI: 0000000000000001 <4>[ 48.893057] RBP: 0000000000000016 R08: 00000000ffffffff R09: 0000000000000000 <4>[ 48.901323] R10: 00007fc2b58d94d0 R11: 0000000000000202 R12: 00007fc2b589c000 <4>[ 48.909588] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 <4>[ 48.917859] irq event stamp: 0 <4>[ 48.921589] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 48.928884] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 48.938316] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 48.947747] softirqs last disabled at (0): [<0000000000000000>] 0x0 _compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify<4>[ 48.955043] ---[ end trace 904211b6156a7d43 ]--- pinctrl_sunrisepoint int3403_thermal int340x_thermal_zone int34<6>[ 48.966710] lkdtm: Overflow detected: saturated 00_thermal chromeos_pstore acpi_thermal_rel cros_kbd_led_backlight coreboot_table # [ 41.625372] CR2: ffff99ef04679e40 # [ 41.629361] ---[ end trace 904211b6156a7d39 ]--- # [ 41.634809] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 41.639478] Code: 89 ff e8 de ab 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 e0 0b eb 03 # [ 41.660755] RSP: 0018:ffffa6d80145be60 EFLAGS: 00010282 # [ 41.666882] RAX: ffffffff8ed80270 RBX: 0000000000000001 RCX: 0000000000000000 # [ 41.675142] RDX: 0000000000000000 RSI: ffff99ef7ad1bf50 RDI: ffffffff90c40670 # [ 41.683406] RBP: ffffffff91136f98 R08: 0000000000000001 R09: 0000000000000001 # [ 41.691686] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 41.699956] R13: ffffa6d80145bf10 R14: ffffa6d80145bf10 R15: ffff99ef026f4000 # [ 41.708219] FS: 00007fee9c4cd740(0000) GS:ffff99ef7ac00000(0000) knlGS:0000000000000000 # [ 41.717549] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 41.724256] CR2: ffff99ef04679e40 CR3: 0000000106748005 CR4: 00000000003706f0 # [ 41.732519] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 41.742737] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, p<6>[ 49.106831] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW <6>[ 49.115805] lkdtm: attempting good refcount_add() without overflow <6>[ 49.123008] lkdtm: attempting bad refcount_add() overflow <4>[ 49.129344] ------------[ cut here ]------------ <4>[ 49.134800] refcount_t: saturated; leaking memory. <4>[ 49.140475] WARNING: CPU: 3 PID: 2072 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 id: 1674, name: cat # [ 41.751492] INFO: lockdep is turned of<4>[ 49.150204] Modules linked in: fuse ip_tables cros_ec_lid_angle btusb btrtl btbcm btintel cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio iTCO_wdt cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs bluetooth cros_usbpd_logger cros_ec_chardev cros_usbpd_charger uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 watchdog cros_ec_sensorhub ecdh_generic intel_pmc_core_pltdrv snd_soc_max98927 snd_soc_da7219 intel_pmc_core processor_thermal_device gsmi iwlmvm cros_ec_dev x86_pkg_temp_thermal intel_pmc_bxt iwlwifi snd_soc_core idma64 videobuf2_common ecc intel_soc_dts_iosf snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify pinctrl_sunrisepoint int3403_thermal int340x_thermal_zone int3400_thermal chromeos_pstore acpi_thermal_rel cros_kbd_led_backlight coreboot_table f. # [ 41.756160] irq event stamp: 0 # [ 41.759858] hardir<4>[ 49.237917] CPU: 3 PID: 2072 Comm: cat Tainted: G D W 5.10.218-cip49 #1 qs last enabled at (0): [<0000000000000000>] 0x0 # [ 41.7671<4>[ 49.253072] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 49] hardirqs last disabled at (0): [] copy_pro<4>[ 49.266387] RIP: 0010:refcount_warn_saturate+0x51/0x110 cess+0x65c/0x20e0 # [ 41.776578] softirqs last enabled at (0<4>[ 49.278729] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 8a cf f6 02 00 75 ee 48 c7 c7 40 aa 02 91 c6 05 7a cf f6 02 01 e8 15 6e c5 00 <0f> 0b c3 cc cc cc cc 80 3d 66 cf f6 02 00 75 cb 48 c7 c7 68 aa 02 ): [] copy_process+0x65c/0x20e0 # [ 41.7859<4>[ 49.306225] RSP: 0018:ffffa6d802abbe48 EFLAGS: 00010286 98] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [<4>[ 49.318568] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000 41.793280] CPU: 0 PID: 1674 Comm: cat Tainted: G D W <4>[ 49.333047] RDX: ffff99ef7adac620 RSI: ffff99ef7ad9bf50 RDI: ffff99ef7ad9bf50 <4>[ 49.347527] RBP: ffffffff910d0323 R08: 0000000000000000 R09: 0000000000000000 5.10.218-cip49 #1 # [ 41.802221] Hardware name: Google R<4>[ 49.355792] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 ammus/Rammus, BIOS 09/04/2020 # [ 41.809317] Call Trace: # <4>[ 49.370267] R13: ffffa6d802abbf10 R14: ffffa6d802abbf10 R15: ffff99ef02a99000 [ 41.812338] dump_stack+0x77/0x9b # [ 41.816333] ___might<4>[ 49.384751] FS: 00007ff42b439740(0000) GS:ffff99ef7ad80000(0000) knlGS:0000000000000000 _sleep.cold+0xa6/0xb6 # [ 41.821200] exit_signals+0x1c/0x300<4>[ 49.400301] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 49.413229] CR2: 00007ff42b418000 CR3: 000000010664a001 CR4: 00000000003706e0 # [ 41.825481] do_exit+0xc2/0xab0 # [ 41.829277] ? ksys<4>[ 49.421494] Call Trace: _write+0x68/0xf0 # [ 41.833461] make_task_dead+0x2f/0x30 # <4>[ 49.430731] ? __warn+0x80/0x110 [ 41.837839] rewind_stack_and_make_dead+0x17/0x20 # [ 41.8<4>[ 49.440840] ? refcount_warn_saturate+0x51/0x110 43381] RIP: 0033:0x7fee9c5c8240 # [ 41.847660] Code: 40 00 48<4>[ 49.452506] ? report_bug+0x9e/0xc0 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f <4>[ 49.462908] ? handle_bug+0x41/0x90 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00<4>[ 49.473309] ? exc_invalid_op+0x14/0x70 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89 # [ <4>[ 49.484100] ? asm_exc_invalid_op+0x12/0x20 <4>[ 49.495282] ? refcount_warn_saturate+0x51/0x110 41.868937] RSP: 002b:00007fff2073e928 EFLAGS: 00000202 ORIG_RAX<4>[ 49.500757] ? refcount_warn_saturate+0x51/0x110 <4>[ 49.512415] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa7 : 0000000000000001 # [ 41.877694] RAX: ffffffffffffffda RBX: <4>[ 49.518086] direct_entry.cold+0x2c/0x38 000000000000000d RCX: 00007fee9c5c8240 # [ 41.885956] RDX: 00<4>[ 49.528979] full_proxy_write+0x53/0x80 <4>[ 49.539772] vfs_write+0xe7/0x3b0 0000000000000d RSI: 00007fee9c4ac000 RDI: 0000000000000001 # [ <4>[ 49.543791] ksys_write+0x68/0xf0 <4>[ 49.553996] do_syscall_64+0x30/0x40 <4>[ 49.558306] entry_SYSCALL_64_after_hwframe+0x67/0xd1 <4>[ 49.564241] RIP: 0033:0x7ff42b534240 <4>[ 49.568524] 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>[ 49.589830] RSP: 002b:00007fff73adea38 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 41.894218] RBP: 000000000000000d R08: 00000000ffffffff R09: 00<4>[ 49.598595] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007ff42b534240 <4>[ 49.613069] RDX: 0000000000000016 RSI: 00007ff42b418000 RDI: 0000000000000001 <4>[ 49.621335] RBP: 0000000000000016 R08: 00000000ffffffff R09: 0000000000000000 <4>[ 49.629600] R10: 00007ff42b4554d0 R11: 0000000000000202 R12: 00007ff42b418000 <4>[ 49.637866] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 <4>[ 49.646137] irq event stamp: 0 <4>[ 49.649867] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 49.657162] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 49.666594] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 49.676025] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 49.683318] ---[ end trace 904211b6156a7d44 ]--- <6>[ 49.688768] lkdtm: Overflow detected: saturated 00000000000000 # [ 41.902481] R10: 00007fee9c4e94d0 R11: 0000000000000202 R12: 00007fee9c4ac000 # [ 41.910749] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 # EXEC_KMALLOC: saw 'call trace:': ok ok 32 selftests: lkdtm: EXEC_KMALLOC.sh # selftests: lkdtm: EXEC_VMALLOC.sh # Killed # [ 42.086860] lkdtm: Performing direct entry EXEC_VMALLOC # [ 42.099253] lkdtm: attempting ok execution at ffffffff8ed80640 # [ 42.112261] lkdtm: attempting bad execution at ffffa6d8003a5000 # [ 42.125365] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 42.140213] BUG: unable to handle page fault for address: ffffa6d8003a5000 # [ 42.148183] #PF: supervisor instruction fetch in kernel mode # [ 42.154793] #PF: error_code(0x0011) - permissions violation # [ 42.161307] PGD 100000067 P4D 100000067 PUD 100242067 PMD 1009f6067 PTE 800000010492b063 # [ 42.170646] Oops: 0011 [#8] SMP PTI # [ 42.174829] CPU: 0 PID: 1711 Comm: cat Tainted: G D W 5.10.218-cip49 #1 # [ 42.183772] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 42.190869] RIP: 0010:0xffffa6d8003a5000 # [ 42.195530] Code: Unable to access opcode bytes at RIP 0xffffa6d8003a4fd6. # [ 42.203500] RSP: 0018:ffffa6d8024abe38 EFLAGS: 00010246 # [ 42.209618] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 42.217870] RDX<6>[ 49.826492] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW <6>[ 49.838812] lkdtm: attempting bad refcount_inc_not_zero() overflow <4>[ 49.846022] ------------[ cut here ]------------ <4>[ 49.851473] refcount_t: saturated; leaking memory. <4>[ 49.857155] WARNING: CPU: 3 PID: 2105 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 : 0000000000000000 RSI: ffff99ef7ac1bf50 RDI: ffff99ef7ac1bf50 <4>[ 49.866884] Modules linked in: fuse ip_tables cros_ec_lid_angle btusb btrtl btbcm btintel cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio iTCO_wdt cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs bluetooth cros_usbpd_logger cros_ec_chardev cros_usbpd_charger uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 watchdog cros_ec_sensorhub ecdh_generic intel_pmc_core_pltdrv snd_soc_max98927 snd_soc_da7219 intel_pmc_core processor_thermal_device gsmi iwlmvm cros_ec_dev x86_pkg_temp_thermal intel_pmc_bxt iwlwifi snd_soc_core idma64 videobuf2_common ecc intel_soc_dts_iosf snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify pinctrl_sunrisepoint int3403_thermal int340x_thermal_zone int3400_thermal chromeos_pstore acpi_thermal_rel cros_kbd_led_backlight coreboot_table <4>[ 49.954608] CPU: 3 PID: 2105 Comm: cat Tainted: G D W 5.10.218-cip49 #1 # [ 42.226132] RBP: ffffa6d8003a5000 R08: 0000000000000000 R09<4>[ 49.963584] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 49.976895] RIP: 0010:refcount_warn_saturate+0x97/0x110 <4>[ 49.983056] Code: 02 01 e8 f2 6d c5 00 0f 0b c3 cc cc cc cc 80 3d 45 cf f6 02 00 75 a8 48 c7 c7 40 aa 02 91 c6 05 35 cf f6 02 01 e8 cf 6d c5 00 <0f> 0b c3 cc cc cc cc 80 3d 1f cf f6 02 00 75 85 48 c7 c7 98 aa 02 <4>[ 50.004367] RSP: 0018:ffffa6d802b2be38 EFLAGS: 00010282 <4>[ 50.010498] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 <4>[ 50.018769] RDX: ffff99ef7adac620 RSI: ffff99ef7ad9bf50 RDI: ffff99ef7ad9bf50 <4>[ 50.027036] RBP: ffffffff910cff60 R08: 0000000000000000 R09: 0000000000000000 <4>[ 50.035302] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f <4>[ 50.043569] R13: ffffa6d802b2bf10 R14: ffffa6d802b2bf10 R15: ffff99ef061e6000 <4>[ 50.051837] FS: 00007ff04f2c1740(0000) GS:ffff99ef7ad80000(0000) knlGS:0000000000000000 <4>[ 50.061175] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 50.067886] CR2: 00007ff04f2a0000 CR3: 000000010649a005 CR4: 00000000003706e0 <4>[ 50.076153] Call Trace: <4>[ 50.079179] ? __warn+0x80/0x110 <4>[ 50.083110] ? refcount_warn_saturate+0x97/0x110 <4>[ 50.088592] ? report_bug+0x9e/0xc0 <4>[ 50.092813] ? handle_bug+0x41/0x90 <4>[ 50.097029] ? exc_invalid_op+0x14/0x70 : 0000000000000000 # [ 42.234395] R10: 00000000ffffe000 R11: <4>[ 50.101608] ? asm_exc_invalid_op+0x12/0x20 3fffffffffffffff R12: 000000000000000d # [ 42.242656] R13: ff<4>[ 50.112791] ? refcount_warn_saturate+0x97/0x110 <4>[ 50.124454] ? refcount_warn_saturate+0x97/0x110 <4>[ 50.129934] __refcount_add_not_zero.constprop.0+0x2a/0x35 <4>[ 50.136355] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x76 <4>[ 50.142872] direct_entry.cold+0x2c/0x38 <4>[ 50.147547] full_proxy_write+0x53/0x80 ffa6d8024abf10 R14: ffffa6d8024abf10 R15: ffff99ef0492b000 # [ <4>[ 50.152152] vfs_write+0xe7/0x3b0 <4>[ 50.162359] ksys_write+0x68/0xf0 <4>[ 50.166404] do_syscall_64+0x30/0x40 42.250918] FS: 00007f7316d01740(0000) GS:ffff99ef7ac00000(000<4>[ 50.170699] entry_SYSCALL_64_after_hwframe+0x67/0xd1 <4>[ 50.182844] RIP: 0033:0x7ff04f3bc240 <4>[ 50.187128] 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>[ 50.208410] RSP: 002b:00007ffebfe23958 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 <4>[ 50.217164] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007ff04f3bc240 <4>[ 50.225430] RDX: 000000000000001f RSI: 00007ff04f2a0000 RDI: 0000000000000001 <4>[ 50.233701] RBP: 000000000000001f R08: 00000000ffffffff R09: 0000000000000000 <4>[ 50.241965] R10: 00007ff04f2dd4d0 R11: 0000000000000202 R12: 00007ff04f2a0000 <4>[ 50.250229] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 <4>[ 50.258498] irq event stamp: 0 <4>[ 50.262228] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 50.269523] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 50.278953] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 50.288384] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 50.295700] ---[ end trace 904211b6156a7d45 ]--- 0) knlGS:0000000000000000 # [ 42.260239] CS: 0010 DS: 0000 E<6>[ 50.301151] lkdtm: Overflow detected: saturated S: 0000 CR0: 0000000080050033 # [ 42.266947] CR2: ffffa6d8003a4fd6 CR3: 0000000102dc4005 CR4: 00000000003706f0 # [ 42.275200] Call Trace: # [ 42.278221] ? __die_body.cold+0x1a/0x1f # [ 42.282889] ? no_context+0x177/0x380 # [ 42.287275] ? exc_page_fault+0xd7/0x170 # [ 42.291942] ? asm_exc_page_fault+0x1e/0x30 # [ 42.296907] ? execute_location+0x45/0x56 # [ 42.301679] ? lkdtm_EXEC_VMALLOC+0x20/0x30 # [ 42.306641] ? direct_entry.cold+0x2c/0x38 # [ 42.311496] ? full_proxy_write+0x53/0x80 # [ 42.316269] ? vfs_write+0xe7/0x3b0 # [ 42.320459] ? ksys_write+0x68/0xf0 # [ 42.324643] ? do_syscall_64+0x30/0x40 # [ 42.329119] ? entry_SYSCALL_64_after_hwframe+0x67/0xd1 # [ 42.335248] Modules linked in: fuse ip_tables cros_ec_lid_angle btusb btrtl btbcm btintel cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio iTCO_wdt cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs bluetooth cros_usbpd_logger cros_ec_chardev cros_usbpd_charger uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 watchdog cros_ec_sensorhub ecdh_generic intel_pmc_core_pltdrv snd_soc_max98927 snd_soc_da7219 intel_pmc_core processor_thermal_device gsmi iwlmvm cros_ec_dev x86_pkg_temp_thermal intel_pmc_bxt iwlwifi snd_soc_core idma64 videobuf2_common ecc intel_soc_dts_iosf s<6>[ 50.439312] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW nd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_noti<6>[ 50.451217] lkdtm: attempting bad refcount_add_not_zero() overflow fy pinctrl_sunrisepoint int3403_thermal int340x_thermal_zone int<4>[ 50.464603] ------------[ cut here ]------------ 3400_thermal chromeos_pstore acpi_thermal_rel cros_kbd_led_backl<4>[ 50.476288] refcount_t: saturated; leaking memory. ight coreboot_table # [ 42.416796] CR2: ffffa6d8003a5000 # [<4>[ 50.488211] WARNING: CPU: 0 PID: 2138 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 42.420776] ---[ end trace 904211b6156a7d3a ]--- # [ 42.426<4>[ 50.504133] Modules linked in: fuse ip_tables cros_ec_lid_angle btusb btrtl btbcm btintel cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio iTCO_wdt cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs bluetooth cros_usbpd_logger cros_ec_chardev cros_usbpd_charger uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 watchdog cros_ec_sensorhub ecdh_generic intel_pmc_core_pltdrv snd_soc_max98927 snd_soc_da7219 intel_pmc_core processor_thermal_device gsmi iwlmvm cros_ec_dev x86_pkg_temp_thermal intel_pmc_bxt iwlwifi snd_soc_core idma64 videobuf2_common ecc intel_soc_dts_iosf snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify pinctrl_sunrisepoint int3403_thermal int340x_thermal_zone int3400_thermal chromeos_pstore acpi_thermal_rel cros_kbd_led_backlight coreboot_table 221] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 42.430891] Code: 89 ff <4>[ 50.591900] CPU: 0 PID: 2138 Comm: cat Tainted: G D W 5.10.218-cip49 #1 e8 de ab 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c<4>[ 50.607006] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b <4>[ 50.620338] RIP: 0010:refcount_warn_saturate+0x97/0x110 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 0b eb 03 # [<4>[ 50.632698] Code: 02 01 e8 f2 6d c5 00 0f 0b c3 cc cc cc cc 80 3d 45 cf f6 02 00 75 a8 48 c7 c7 40 aa 02 91 c6 05 35 cf f6 02 01 e8 cf 6d c5 00 <0f> 0b c3 cc cc cc cc 80 3d 1f cf f6 02 00 75 85 48 c7 c7 98 aa 02 42.452168] RSP: 0018:ffffa6d80145be60 EFLAGS: 00010282 # [ <4>[ 50.660191] RSP: 0018:ffffa6d802bdbe38 EFLAGS: 00010282 42.458294] RAX: ffffffff8ed80270 RBX: 0000000000000001 RCX: 000<4>[ 50.672568] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 0000000000000 # [ 42.466557] RDX: 0000000000000000 RSI: ffff9<4>[ 50.687045] RDX: ffff99ef7ac2c620 RSI: ffff99ef7ac1bf50 RDI: ffff99ef7ac1bf50 9ef7ad1bf50 RDI: ffffffff90c40670 # [ 42.474811] RBP: fffffff<4>[ 50.701555] RBP: ffffffff910cff80 R08: 0000000000000000 R09: 0000000000000000 f91136f98 R08: 0000000000000001 R09: 0000000000000001 # [ 42.<4>[ 50.716016] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f 483063] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000<4>[ 50.730509] R13: ffffa6d802bdbf10 R14: ffffa6d802bdbf10 R15: ffff99ef04014000 000000004 # [ 42.491324] R13: ffffa6d80145bf10 R14: ffffa6d80<4>[ 50.745007] FS: 00007f87fa8e9740(0000) GS:ffff99ef7ac00000(0000) knlGS:0000000000000000 145bf10 R15: ffff99ef026f4000 # [ 42.499586] FS: 00007f7316d<4>[ 50.760591] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 01740(0000) GS:ffff99ef7ac00000(0000) knlGS:0000000000000000 # <4>[ 50.773515] CR2: 00007f87fa8c8000 CR3: 0000000102c0a005 CR4: 00000000003706f0 [ 42.508915] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033<4>[ 50.788022] Call Trace: # [ 42.515623] CR2: ffffa6d8003a4fd6 CR3: 0000000102dc4005 C<4>[ 50.797259] ? __warn+0x80/0x110 R4: 00000000003706f0 # EXEC_VMALLOC: saw 'call trace:': ok ok <4>[ 50.807395] ? refcount_warn_saturate+0x97/0x110 33 selftests: lkdtm: EXEC_VMALLOC.sh # selftests: lkdtm: EXEC_R<4>[ 50.819036] ? report_bug+0x9e/0xc0 ODATA.sh # Killed # [ 42.743575] lkdtm: Performing direct en<4>[ 50.829451] ? handle_bug+0x41/0x90 try EXEC_RODATA # [ 42.753650] lkdtm: attempting ok execution<4>[ 50.839865] ? exc_invalid_op+0x14/0x70 at ffffffff8ed80640 # [ 42.760490] lkdtm: attempting bad exe<4>[ 50.850686] ? asm_exc_invalid_op+0x12/0x20 cution at ffffffff90c40b00 # [ 42.767412] kernel tried to exe<4>[ 50.861865] ? refcount_warn_saturate+0x97/0x110 cute NX-protected page - exploit attempt? (uid: 0) # [ 42.782<4>[ 50.873550] ? refcount_warn_saturate+0x97/0x110 266] BUG: unable to handle page fault for address: ffffffff90c40<4>[ 50.885215] __refcount_add_not_zero.constprop.0+0x2a/0x35 b00 # [ 42.790228] #PF: supervisor instruction fetch in kerne<4>[ 50.897884] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x76 l mode # [ 42.796839] #PF: error_code(0x0011) - permissions v<4>[ 50.910613] direct_entry.cold+0x2c/0x38 iolation # [ 42.803355] PGD 2c229067 P4D 2c229067 PUD 2c22a06<4>[ 50.921538] full_proxy_write+0x53/0x80 3 PMD 800000002ba000e1 # [ 42.811133] Oops: 0011 [#9] SMP PT<4>[ 50.932320] vfs_write+0xe7/0x3b0 I # [ 42.815309] CPU: 2 PID: 1748 Comm: cat Tainted: G D<4>[ 50.942553] ksys_write+0x68/0xf0 W 5.10.218-cip49 #1 # [ 42.824243] Hardware name: Go<4>[ 50.952772] do_syscall_64+0x30/0x40 ogle Rammus/Rammus, BIOS 09/04/2020 # [ 42.831344] RIP: 0010<4>[ 50.963273] entry_SYSCALL_64_after_hwframe+0x67/0xd1 :lkdtm_rodata_do_nothing+0x0/0x10 # [ 42.837372] Code: ff ff <4>[ 50.975416] RIP: 0033:0x7f87fa9e4240 1a bd 45 8f ff ff ff ff ca 04 0d 91 ff ff ff ff 60 a4 45 8f ff f<4>[ 50.985919] 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 f ff ff 55 aa 55 aa 00 00 00 00 00 00 00 00 00 00 00 00 00 <4>[ 51.013414] RSP: 002b:00007fffeb1d48a8 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 00 00 00 00 00 00 00 00 00 00 00 00 00 00 54 68 69 73 20 69 # [<4>[ 51.028420] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f87fa9e4240 42.858650] RSP: 0018:ffffa6d80254be48 EFLAGS: 00010246 # [ <4>[ 51.042883] RDX: 000000000000001f RSI: 00007f87fa8c8000 RDI: 0000000000000001 42.864777] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 000<4>[ 51.057402] RBP: 000000000000001f R08: 00000000ffffffff R09: 0000000000000000 0000000000000 # [ 42.873039] RDX: 0000000000000000 RSI: ffff9<4>[ 51.071900] R10: 00007f87fa9054d0 R11: 0000000000000202 R12: 00007f87fa8c8000 9ef7ad1bf50 RDI: ffff99ef7ad1bf50 # [ 42.881299] RBP: fffffff<4>[ 51.086414] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 f90c40b00 R08: 0000000000000000 R09: 0000000000000000 # [ 42.<4>[ 51.100893] irq event stamp: 0 889560] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000<4>[ 51.110831] hardirqs last enabled at (0): [<0000000000000000>] 0x0 00000000c # [ 42.897823] R13: ffffa6d80254bf10 R14: ffffa6d80<4>[ 51.124342] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 254bf10 R15: ffff99ef02a59000 # [ 42.906086] FS: 00007f41a48<4>[ 51.140001] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 82740(0000) GS:ffff99ef7ad00000(0000) knlGS:0000000000000000 # <4>[ 51.155642] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 42.915418] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033<4>[ 51.169182] ---[ end trace 904211b6156a7d46 ]--- # [ 42.922126] CR2: ffffffff90c40b00 CR3: 000000010640c005 C<6>[ 51.180824] lkdtm: Overflow detected: saturated R4: 00000000003706e0 # [ 42.930386] Call Trace: # [ 42.933406] ? __die_body.cold+0x1a/0x1f # [ 42.938077] ? no_context+0x177/0x380 # [ 42.942456] ? exc_page_fault+0xd7/0x170 # [ 42.947125] ? asm_exc_page_fault+0x1e/0x30 # [ 42.952082] ? execute_location+0x45/0x56 # [ 42.956849] ? direct_entry.cold+0x2c/0x38 # [ 42.961707] ? full_proxy_write+0x53/0x80 # [ 42.966474] ? vfs_write+0xe7/0x3b0 # [ 42.970659] ? ksys_write+0x68/0xf0 # [ 42.974842] ? do_syscall_64+0x30/0x40 # [ 42.979316] ? entry_SYSCALL_64_after_hwframe+0x67/0xd1 # [ 42.985444] Modules linked in: fuse ip_tables cros_ec_lid_angle btusb btrtl btbcm btintel cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio iTCO_wdt cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs bluetooth cros_usbpd_logger cros_ec_chardev cros_usbpd_charger uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 watchdog cros_ec_sensorhub ecdh_generic intel_pmc_core_pltdrv snd_soc_max98927 snd_soc_da7219 intel_pmc_core processor_thermal_device gsmi iwlmvm cros_ec_dev x86_pkg_temp_thermal intel_pmc_bxt iwlwifi snd_soc_core idma64 videobuf2_common ecc intel_soc_dts_iosf snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify pinctrl_sunrisepoint int3403_thermal int340x_thermal_zone int3400_thermal chromeos_pstore acpi_thermal_rel cros_kbd_led_backlight coreboot_table # [ 43.073200] CR2: ffffffff90c40b00 # [ 43.077190] ---[ end trace 904211b6156a7d3b ]--- # [ 43.082637] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 43.087305] Code: 89 ff e8 de ab 79 ff <6>[ 51.343368] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 4<6>[ 51.354427] lkdtm: attempting good refcount_dec() 8 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 <6>[ 51.366183] lkdtm: attempting bad refcount_dec() to zero 00 00 00 00 0f 1f 44 00 00 83 05 e0 0b eb 03 # [ 43.108584] R<4>[ 51.378615] ------------[ cut here ]------------ SP: 0018:ffffa6d80145be60 EFLAGS: 00010282 # [ 43.114711] RAX<4>[ 51.390300] refcount_t: decrement hit 0; leaking memory. : ffffffff8ed80270 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 51.402742] WARNING: CPU: 0 PID: 2171 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 43.122973] RDX: 0000000000000000 RSI: ffff99ef7ad1bf50 RDI<4>[ 51.418676] Modules linked in: fuse ip_tables cros_ec_lid_angle btusb btrtl btbcm btintel cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio iTCO_wdt cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs bluetooth cros_usbpd_logger cros_ec_chardev cros_usbpd_charger uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 watchdog cros_ec_sensorhub ecdh_generic intel_pmc_core_pltdrv snd_soc_max98927 snd_soc_da7219 intel_pmc_core processor_thermal_device gsmi iwlmvm cros_ec_dev x86_pkg_temp_thermal intel_pmc_bxt iwlwifi snd_soc_core idma64 videobuf2_common ecc intel_soc_dts_iosf snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify pinctrl_sunrisepoint int3403_thermal int340x_thermal_zone int3400_thermal chromeos_pstore acpi_thermal_rel cros_kbd_led_backlight coreboot_table : ffffffff90c40670 # [ 43.131235] RBP: ffffffff91136f98 R08: <4>[ 51.506408] CPU: 0 PID: 2171 Comm: cat Tainted: G D W 5.10.218-cip49 #1 0000000000000001 R09: 0000000000000001 # [ 43.139497] R10: 00<4>[ 51.521556] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ <4>[ 51.534942] RIP: 0010:refcount_warn_saturate+0xfb/0x110 43.147758] R13: ffffa6d80145bf10 R14: ffffa6d80145bf10 R15: ff<4>[ 51.547247] Code: f0 aa 02 91 c6 05 e6 ce f6 02 01 e8 85 6d c5 00 0f 0b c3 cc cc cc cc 48 c7 c7 c0 aa 02 91 c6 05 cd ce f6 02 01 e8 6b 6d c5 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b ff99ef026f4000 # [ 43.156019] FS: 00007f41a4882740(0000) GS:<4>[ 51.574773] RSP: 0018:ffffa6d802c73e48 EFLAGS: 00010286 ffff99ef7ad00000(0000) knlGS:0000000000000000 # [ 43.165349] <4>[ 51.587145] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 43.1720<4>[ 51.601608] RDX: ffff99ef7ac2c620 RSI: ffff99ef7ac1bf50 RDI: ffff99ef7ac1bf50 57] CR2: ffffffff90c40b00 CR3: 000000010640c005 CR4: 00000000003<4>[ 51.616096] RBP: ffffffff910d0339 R08: 0000000000000000 R09: 0000000000000000 706e0 # [ 43.180321] BUG: sleeping function called from inval<4>[ 51.630579] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 id context at include/linux/percpu-rwsem.h:49 # [ 43.190526] <4>[ 51.645094] R13: ffffa6d802c73f10 R14: ffffa6d802c73f10 R15: ffff99ef02c0e000 in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1748, nam<4>[ 51.659566] FS: 00007f89306ac740(0000) GS:ffff99ef7ac00000(0000) knlGS:0000000000000000 e: cat # [ 43.199274] INFO: lockdep is turned off. # [ 43.<4>[ 51.675145] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 203941] irq event stamp: 0 # [ 43.207637] hardirqs last enab<4>[ 51.688067] CR2: 00007f893068b000 CR3: 00000001062b0003 CR4: 00000000003706f0 led at (0): [<0000000000000000>] 0x0 # [ 43.214928] hardirqs <4>[ 51.702585] Call Trace: last disabled at (0): [] copy_process+0x65c/0x<4>[ 51.711817] ? __warn+0x80/0x110 20e0 # [ 43.224356] softirqs last enabled at (0): [[ 51.721984] ? refcount_warn_saturate+0xfb/0x110 8e2fde5c>] copy_process+0x65c/0x20e0 # [ 43.233785] softirqs <4>[ 51.733617] ? report_bug+0x9e/0xc0 last disabled at (0): [<0000000000000000>] 0x0 # [ 43.241076]<4>[ 51.744082] ? handle_bug+0x41/0x90 CPU: 2 PID: 1748 Comm: cat Tainted: G D W 5.10.218<4>[ 51.754448] ? exc_invalid_op+0x14/0x70 -cip49 #1 # [ 43.250008] Hardware name: Google Rammus/Rammus,<4>[ 51.765293] ? asm_exc_invalid_op+0x12/0x20 BIOS 09/04/2020 # [ 43.257104] Call Trace: # [ 43.260124<4>[ 51.776432] ? refcount_warn_saturate+0xfb/0x110 ] dump_stack+0x77/0x9b # [ 43.264114] ___might_sleep.cold+0<4>[ 51.788139] ? refcount_warn_saturate+0xfb/0x110 xa6/0xb6 # [ 43.268970] exit_signals+0x1c/0x300 # [ 43.27<4>[ 51.799798] lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xbd 3249] do_exit+0xc2/0xab0 # [ 43.277045] ? ksys_write+0x68/0<4>[ 51.811319] direct_entry.cold+0x2c/0x38 xf0 # [ 43.281219] make_task_dead+0x2f/0x30 # [ 43.285588<4>[ 51.822177] full_proxy_write+0x53/0x80 ] rewind_stack_and_make_dead+0x17/0x20 # [ 43.291130] RIP: 0<4>[ 51.833052] vfs_write+0xe7/0x3b0 033:0x7f41a497d240 # [ 43.295410] Code: 40 00 48 8b 15 c1 9b <4>[ 51.843204] ksys_write+0x68/0xf0 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a<4>[ 51.853479] do_syscall_64+0x30/0x40 1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 <4>[ 51.863971] entry_SYSCALL_64_after_hwframe+0x67/0xd1 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89 # [ 43.316698] R<4>[ 51.876153] RIP: 0033:0x7f89307a7240 SP: 002b:00007ffcea14b7d8 EFLAGS: 00000202 ORIG_RAX: 00000000000<4>[ 51.886619] 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 00001 # [ 43.325447] RAX: ffffffffffffffda RBX: 0000000000000<4>[ 51.914212] RSP: 002b:00007ffe4289cb58 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 00c RCX: 00007f41a497d240 # [ 43.333711] RDX: 000000000000000<4>[ 51.929109] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f89307a7240 c RSI: 00007f41a4861000 RDI: 0000000000000001 # [ 43.341972] <4>[ 51.943604] RDX: 0000000000000012 RSI: 00007f893068b000 RDI: 0000000000000001 RBP: 000000000000000c R08: 00000000ffffffff R09: 000000000000000<4>[ 51.958077] RBP: 0000000000000012 R08: 00000000ffffffff R09: 0000000000000000 0 # [ 43.350235] R10: 00007f41a489e4d0 R11: 0000000000000202 <4>[ 51.972592] R10: 00007f89306c84d0 R11: 0000000000000202 R12: 00007f893068b000 R12: 00007f41a4861000 # [ 43.358497] R13: 0000000000000001 R1<4>[ 51.987053] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 4: 0000000000020000 R15: 0000000000000000 # EXEC_RODATA: saw 'c<4>[ 52.001586] irq event stamp: 0 all trace:': ok ok 34 selftests: lkdtm: EXEC_RODATA.sh # selft<4>[ 52.011479] hardirqs last enabled at (0): [<0000000000000000>] 0x0 ests: lkdtm: EXEC_USERSPACE.sh # Killed # [ 43.493006] lkdtm<4>[ 52.025028] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 : Performing direct entry EXEC_USERSPACE # [ 43.503659] lkdtm<4>[ 52.040671] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 : attempting ok execution at ffffffff8ed80640 # [ 43.510501] <4>[ 52.056318] softirqs last disabled at (0): [<0000000000000000>] 0x0 lkdtm: attempting bad execution at 00007f4a16540000 # [ 43.52<4>[ 52.069823] ---[ end trace 904211b6156a7d47 ]--- 3613] unable to execute userspace code (SMEP?) (uid: 0) # [ 4<6>[ 52.081539] lkdtm: Zero detected: saturated 3.536533] BUG: unable to handle page fault for address: 00007f4a16540000 # [ 43.544506] #PF: supervisor instruction fetch in kernel mode # [ 43.551118] #PF: error_code(0x0011) - permissions violation # [ 43.557631] PGD 8000000107719067 P4D 8000000107719067 PUD 1064c2067 PMD 1062ab067 PTE 10c744067 # [ 43.573865] Oops: 0011 [#10] SMP PTI # [ 43.578148] CPU: 2 PID: 1786 Comm: cat Tainted: G D W 5.10.218-cip49 #1 # [ 43.593303] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 43.600402] RIP: 0010:0x7f4a16540000 # [ 43.604697] Code: Unable to access opcode bytes at RIP 0x7f4a1653ffd6. # [ 43.612279] RSP: 0018:ffffa6d80260be50 EFLAGS: 00010246 # [ 43.618405] RAX: 0000000000000033 RBX: 0000000000000024 RCX: 0000000000000000 # [ 43.626665] RDX: 0000000000000000 RSI: ffff99ef7ad1bf50 RDI: ffff99ef7ad1bf50 # [ 43.634927] RBP: 00007f4a16540000 R08: 0000000000000000 R09: 0000000000000000 # [ 43.643190] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000f # [ 43.651451] R13: ffffa6d80260bf10 R14: ffffa6d80260bf10 R15: ffff99ef07eab000 # [ 43.659713] FS: 00007f4a16359740(0000) GS:ffff99ef7ad00000(0000) knlGS:0000000000000000 # [ 43.669034] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 43.675753] CR2: 00007f4a16540000 CR3: 00000001075bc001 CR4: 00000000003706e0 # [ 43.684014] Call Trace: # [ 43.687035] ? __die_body.cold+0x1a/0x1f # [ 43.691706] ? no_context+0x177/0x380 # [ 43.696087] ? exc_page_fault+0x53/0x170 # [ 43.700756] ? asm_exc_page_fault+0x1e/0x30 # [ 43.705722] <6>[ 52.245567] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE ? lkdtm_EXEC_USERSPACE.cold+0x66/0xae # [ 43.711363] ? direc<6>[ 52.255063] lkdtm: attempting bad refcount_dec() below zero t_entry.cold+0x2c/0x38 # [ 43.716227] ? full_proxy_write+0x5<4>[ 52.267789] ------------[ cut here ]------------ 3/0x80 # [ 43.720994] ? vfs_write+0xe7/0x3b0 # [ 43.72516<4>[ 52.279451] refcount_t: decrement hit 0; leaking memory. 9] ? ksys_write+0x68/0xf0 # [ 43.729344] ? do_syscall_64+0x<4>[ 52.291925] WARNING: CPU: 1 PID: 2207 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 30/0x40 # [ 43.733810] ? entry_SYSCALL_64_after_hwframe+0x67<4>[ 52.307834] Modules linked in: fuse ip_tables cros_ec_lid_angle btusb btrtl btbcm btintel cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio iTCO_wdt cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs bluetooth cros_usbpd_logger cros_ec_chardev cros_usbpd_charger uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 watchdog cros_ec_sensorhub ecdh_generic intel_pmc_core_pltdrv snd_soc_max98927 snd_soc_da7219 intel_pmc_core processor_thermal_device gsmi iwlmvm cros_ec_dev x86_pkg_temp_thermal intel_pmc_bxt iwlwifi snd_soc_core idma64 videobuf2_common ecc intel_soc_dts_iosf snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify pinctrl_sunrisepoint int3403_thermal int340x_thermal_zone int3400_thermal chromeos_pstore acpi_thermal_rel cros_kbd_led_backlight coreboot_table /0xd1 # [ 43.739938] Modules linked in: fuse ip_tables cros_e<4>[ 52.395541] CPU: 1 PID: 2207 Comm: cat Tainted: G D W 5.10.218-cip49 #1 c_lid_angle btusb btrtl btbcm btintel cros_ec_sensors cros_ec_se<4>[ 52.410721] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 nsors_core industrialio_triggered_buffer kfifo_buf industrialio <4>[ 52.424065] RIP: 0010:refcount_warn_saturate+0xfb/0x110 iTCO_wdt cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs bluetoot<4>[ 52.436426] Code: f0 aa 02 91 c6 05 e6 ce f6 02 01 e8 85 6d c5 00 0f 0b c3 cc cc cc cc 48 c7 c7 c0 aa 02 91 c6 05 cd ce f6 02 01 e8 6b 6d c5 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b h cros_usbpd_logger cros_ec_chardev cros_usbpd_charger uvcvideo <4>[ 52.463923] RSP: 0018:ffffa6d802cb3e48 EFLAGS: 00010286 videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 watchdog cros_<4>[ 52.476263] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000 ec_sensorhub ecdh_generic intel_pmc_core_pltdrv snd_soc_max98927<4>[ 52.490777] RDX: ffff99ef7acac620 RSI: ffff99ef7ac9bf50 RDI: ffff99ef7ac9bf50 snd_soc_da7219 intel_pmc_core processor_thermal_device gsmi iwl<4>[ 52.505235] RBP: ffffffff910d034b R08: 0000000000000000 R09: 0000000000000000 mvm cros_ec_dev x86_pkg_temp_thermal intel_pmc_bxt iwlwifi snd_s<4>[ 52.519714] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 oc_core idma64 videobuf2_common ecc intel_soc_dts_iosf snd_compr<4>[ 52.534193] R13: ffffa6d802cb3f10 R14: ffffa6d802cb3f10 R15: ffff99ef075bf000 ess snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify pinct<4>[ 52.548672] FS: 00007fbd9dcbf740(0000) GS:ffff99ef7ac80000(0000) knlGS:0000000000000000 rl_sunrisepoint int3403_thermal int340x_thermal_zone int3400_the<4>[ 52.564238] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 rmal chromeos_pstore acpi_thermal_rel cros_kbd_led_backlight cor<4>[ 52.577165] CR2: 00007fbd9dc9e000 CR3: 0000000106298005 CR4: 00000000003706e0 eboot_table # [ 43.827704] CR2: 00007f4a16540000 # [ 43.83<4>[ 52.591645] Call Trace: 1697] ---[ end trace 904211b6156a7d3c ]--- # [ 43.837146] RIP<4>[ 52.600903] ? __warn+0x80/0x110 : 0010:lkdtm_BUG+0x5/0x10 # [ 43.841816] Code: 89 ff e8 de ab<4>[ 52.610992] ? refcount_warn_saturate+0xfb/0x110 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc <4>[ 52.622657] ? report_bug+0x9e/0xc0 cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f<4>[ 52.633058] ? handle_bug+0x41/0x90 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 0b eb 03 # [ 43.86<4>[ 52.643457] ? exc_invalid_op+0x14/0x70 3085] RSP: 0018:ffffa6d80145be60 EFLAGS: 00010282 # [ 43.8692<4>[ 52.654247] ? asm_exc_invalid_op+0x12/0x20 10] RAX: ffffffff8ed80270 RBX: 0000000000000001 RCX: 00000000000<4>[ 52.665428] ? refcount_warn_saturate+0xfb/0x110 00000 # [ 43.877471] RDX: 0000000000000000 RSI: ffff99ef7ad1b<4>[ 52.677088] ? refcount_warn_saturate+0xfb/0x110 f50 RDI: ffffffff90c40670 # [ 43.885747] RBP: ffffffff91136f9<4>[ 52.688753] lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x61 8 R08: 0000000000000001 R09: 0000000000000001 # [ 43.894009] <4>[ 52.700614] direct_entry.cold+0x2c/0x38 R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000<4>[ 52.711504] full_proxy_write+0x53/0x80 4 # [ 43.902270] R13: ffffa6d80145bf10 R14: ffffa6d80145bf10 <4>[ 52.722292] vfs_write+0xe7/0x3b0 R15: ffff99ef026f4000 # [ 43.910533] FS: 00007f4a16359740(00<4>[ 52.732497] ksys_write+0x68/0xf0 00) GS:ffff99ef7ad00000(0000) knlGS:0000000000000000 # [ 43.9<4>[ 52.742706] do_syscall_64+0x30/0x40 19856] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ <4>[ 52.753202] entry_SYSCALL_64_after_hwframe+0x67/0xd1 43.926564] CR2: 00007f4a16540000 CR3: 00000001075bc001 CR4: 0000<4>[ 52.765350] RIP: 0033:0x7fbd9ddba240 0000003706e0 # EXEC_USERSPACE: saw 'call trace:': ok ok 35 sel<4>[ 52.775847] 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 ftests: lkdtm: EXEC_USERSPACE.sh # selftests: lkdtm: EXEC_NULL.<4>[ 52.803342] RSP: 002b:00007ffc1eea40c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 sh # Killed # [ 44.044058] lkdtm: Performing direct entry EX<4>[ 52.818305] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fbd9ddba240 EC_NULL # [ 44.052618] lkdtm: attempting ok execution at ffff<4>[ 52.832784] RDX: 0000000000000016 RSI: 00007fbd9dc9e000 RDI: 0000000000000001 ffff8ed80640 # [ 44.065637] lkdtm: attempting bad execution a<4>[ 52.847264] RBP: 0000000000000016 R08: 00000000ffffffff R09: 0000000000000000 t 0000000000000000 # [ 44.078789] BUG: kernel NULL pointer de<4>[ 52.861743] R10: 00007fbd9dcdb4d0 R11: 0000000000000202 R12: 00007fbd9dc9e000 reference, address: 0000000000000000 # [ 44.093033] #PF: supe<4>[ 52.876224] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 rvisor instruction fetch in kernel mode # [ 44.099644] #PF: e<4>[ 52.890709] irq event stamp: 0 rror_code(0x0010) - not-present page # [ 44.105689] PGD 0 P4D<4>[ 52.900618] hardirqs last enabled at (0): [<0000000000000000>] 0x0 0 # [ 44.108812] Oops: 0010 [#11] SMP PTI # [ 44.113093]<4>[ 52.914128] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 CPU: 0 PID: 1823 Comm: cat Tainted: G D W 5.10.218<4>[ 52.929774] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 -cip49 #1 # [ 44.122035] Hardware name: Google Rammus/Rammus,<4>[ 52.945420] softirqs last disabled at (0): [<0000000000000000>] 0x0 BIOS 09/04/2020 # [ 44.129133] RIP: 0010:0x0 # [ 44.1323<4>[ 52.958930] ---[ end trace 904211b6156a7d48 ]--- 36] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd<6>[ 52.970594] lkdtm: Negative detected: saturated 6. # [ 44.140297] RSP: 0018:ffffa6d802693e48 EFLAGS: 00010246 # [ 44.146422] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 # [ 44.154695] RDX: 0000000000000000 RSI: ffff99ef7ac1bf50 RDI: ffff99ef7ac1bf50 # [ 44.162956] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 # [ 44.171218] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 44.179481] R13: ffffa6d802693f10 R14: ffffa6d802693f10 R15: ffff99ef0492a000 # [ 44.187756] FS: 00007f9b69628740(0000) GS:ffff99ef7ac00000(0000) knlGS:0000000000000000 # [ 44.197093] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 44.203801] CR2: ffffffffffffffd6 CR3: 000000010588a005 CR4: 00000000003706f0 # [ 44.212061] Call Trace: # [ 44.215082] ? __die_body.cold+0x1a/0x1f # [ 44.219758] ? no_context+0x177/0x380 # [ 44.224144] ? exc_page_fault+0x53/0x170 # [ 44.228818] ? asm_exc_page_fault+0x1e/0x30 # [ 44.233783] execute_location+0x45/0x56 # [ 44.238360] direct_entry.cold+0x2c/0x38 # [ 44.243032] full_proxy_write+0x53/0x80 # [ 44.247611] vfs_write+0xe7/0x3b0 # [ 44.251600] ksys_write+0x68/0xf0 # [ 44.255590] do_syscall_64+0x30/0x40 # [ 44.259870] entry_SYSCALL_64_after_hwframe+0x67/0xd1 # [ 44.265801] RIP: 0033:0x7f9b69723240 # [ 44.270081] 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 # [ 44.291359] RSP: 002b:00007ffeb75a12e8 EFLAGS: 00000202 ORIG_<6>[ 53.135367] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE <6>[ 53.145617] lkdtm: attempting bad refcount_dec_and_test() below zero RAX: 0000000000000001 # [ 44.300108] RAX: ffffffffffffffda RB<4>[ 53.153040] ------------[ cut here ]------------ <4>[ 53.164694] refcount_t: underflow; use-after-free. <4>[ 53.170349] WARNING: CPU: 3 PID: 2243 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 X: 000000000000000a RCX: 00007f9b69723240 # [ 44.308369] RDX:<4>[ 53.180079] Modules linked in: fuse ip_tables cros_ec_lid_angle btusb btrtl btbcm btintel cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio iTCO_wdt cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs bluetooth cros_usbpd_logger cros_ec_chardev cros_usbpd_charger uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 watchdog cros_ec_sensorhub ecdh_generic intel_pmc_core_pltdrv snd_soc_max98927 snd_soc_da7219 intel_pmc_core processor_thermal_device gsmi iwlmvm cros_ec_dev x86_pkg_temp_thermal intel_pmc_bxt iwlwifi snd_soc_core idma64 videobuf2_common ecc intel_soc_dts_iosf snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify pinctrl_sunrisepoint int3403_thermal int340x_thermal_zone int3400_thermal chromeos_pstore acpi_thermal_rel cros_kbd_led_backlight coreboot_table <4>[ 53.267824] CPU: 3 PID: 2243 Comm: cat Tainted: G D W 5.10.218-cip49 #1 <4>[ 53.276792] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 53.283894] RIP: 0010:refcount_warn_saturate+0xba/0x110 <4>[ 53.290046] Code: 02 01 e8 cf 6d c5 00 0f 0b c3 cc cc cc cc 80 3d 1f cf f6 02 00 75 85 48 c7 c7 98 aa 02 91 c6 05 0f cf f6 02 01 e8 ac 6d c5 00 <0f> 0b c3 cc cc cc cc 80 3d fa ce f6 02 00 0f 85 5e ff ff ff 48 c7 <4>[ 53.311326] RSP: 0018:ffffa6d802d7be40 EFLAGS: 00010286 <4>[ 53.317456] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000 <4>[ 53.325723] RDX: ffff99ef7adac620 RSI: ffff99ef7ad9bf50 RDI: ffff99ef7ad9bf50 <4>[ 53.333989] RBP: ffffffff910cffa0 R08: 0000000000000000 R09: 0000000000000000 <4>[ 53.342253] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f <4>[ 53.350518] R13: ffffa6d802d7bf10 R14: ffffa6d802d7bf10 R15: ffff99ef08717000 <4>[ 53.358783] FS: 00007f2c01452740(0000) GS:ffff99ef7ad80000(0000) knlGS:0000000000000000 <4>[ 53.368117] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 53.374827] CR2: 00007f2c01431000 CR3: 0000000106530004 CR4: 00000000003706e0 <4>[ 53.383091] Call Trace: <4>[ 53.386113] ? __warn+0x80/0x110 <4>[ 53.390030] ? refcount_warn_saturate+0xba/0x110 <4>[ 53.395479] ? report_bug+0x9e/0xc0 000000000000000a RSI: 00007f9b69607000 RDI: 0000000000000001 #<4>[ 53.399705] ? handle_bug+0x41/0x90 <4>[ 53.410104] ? exc_invalid_op+0x14/0x70 [ 44.316630] RBP: 000000000000000a R08: 00000000ffffffff R09:<4>[ 53.414683] ? asm_exc_invalid_op+0x12/0x20 0000000000000000 # [ 44.324890] R10: 00007f9b696444d0 R11: 0<4>[ 53.425866] ? refcount_warn_saturate+0xba/0x110 <4>[ 53.437530] __refcount_sub_and_test.constprop.0+0x3c/0x50 <4>[ 53.443980] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x78 <4>[ 53.450498] direct_entry.cold+0x2c/0x38 <4>[ 53.455171] full_proxy_write+0x53/0x80 <4>[ 53.459756] vfs_write+0xe7/0x3b0 <4>[ 53.463775] ksys_write+0x68/0xf0 <4>[ 53.467790] do_syscall_64+0x30/0x40 <4>[ 53.472074] entry_SYSCALL_64_after_hwframe+0x67/0xd1 <4>[ 53.478032] RIP: 0033:0x7f2c0154d240 000000000000202 R12: 00007f9b69607000 # [ 44.333153] R13: 000<4>[ 53.482327] 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>[ 53.509813] RSP: 002b:00007ffe8e171738 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 <4>[ 53.518562] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f2c0154d240 <4>[ 53.526825] RDX: 000000000000001f RSI: 00007f2c01431000 RDI: 0000000000000001 <4>[ 53.535091] RBP: 000000000000001f R08: 00000000ffffffff R09: 0000000000000000 <4>[ 53.543355] R10: 00007f2c0146e4d0 R11: 0000000000000202 R12: 00007f2c01431000 <4>[ 53.551619] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 <4>[ 53.559885] irq event stamp: 0 <4>[ 53.563616] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 53.570909] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 53.580337] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 53.589765] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 53.597058] ---[ end trace 904211b6156a7d49 ]--- <6>[ 53.602504] lkdtm: Negative detected: saturated 0000000000001 R14: 0000000000020000 R15: 0000000000000000 # [ 44.341410] Modules linked in: fuse ip_tables cros_ec_lid_angle btusb btrtl btbcm btintel cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio iTCO_wdt cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs bluetooth cros_usbpd_logger cros_ec_chardev cros_usbpd_charger uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 watchdog cros_ec_sensorhub ecdh_generic intel_pmc_core_pltdrv snd_soc_max98927 snd_soc_da7219 intel_pmc_core processor_thermal_device gsmi iwlmvm cros_ec_dev x86_pkg_temp_thermal intel_pmc_bxt iwlwifi snd_soc_core idma64 videobuf2_common ecc intel_soc_dts_iosf snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify pinctrl_sunrisepoint int3403_thermal int340x_thermal_zone int3400_thermal chromeos_pstore acpi_thermal_rel cros_kbd_led_backlight coreboot_table # [ 44.422954] CR2: 0000000000000000 # [ 44.426945] ---[ end trace 904211b6156a7d3d ]--- # [ 44.432392] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 44.437064] Code: 89 ff e8 de ab 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 e0 0b eb 03 # [ 44.458341] RSP: 0018:ffffa6d80145be60 EFLAGS: 00010282 # [ 44.464458] RAX: ffffffff8ed80270 RBX: 0000000000000001 RCX: 0000000000000000 # [ 44.472721] RDX: 0000000000000000 RSI: ffff99ef7ad1bf50 RDI: fff<6>[ 53.745339] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE fffff90c40670 # [ 44.480973] RBP: ffffffff91136f98 R08: 00000<6>[ 53.758963] lkdtm: attempting bad refcount_sub_and_test() below zero 00000000001 R09: 0000000000000001 # [ 44.489235] R10: 0000000<4>[ 53.772523] ------------[ cut here ]------------ 0ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 44.<4>[ 53.784203] refcount_t: underflow; use-after-free. 497488] R13: ffffa6d80145bf10 R14: ffffa6d80145bf10 R15: ffff99e<4>[ 53.796120] WARNING: CPU: 0 PID: 2279 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 f026f4000 # [ 44.505743] FS: 00007f9b69628740(0000) GS:ffff9<4>[ 53.812013] Modules linked in: fuse ip_tables cros_ec_lid_angle btusb btrtl btbcm btintel cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio iTCO_wdt cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs bluetooth cros_usbpd_logger cros_ec_chardev cros_usbpd_charger uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 watchdog cros_ec_sensorhub ecdh_generic intel_pmc_core_pltdrv snd_soc_max98927 snd_soc_da7219 intel_pmc_core processor_thermal_device gsmi iwlmvm cros_ec_dev x86_pkg_temp_thermal intel_pmc_bxt iwlwifi snd_soc_core idma64 videobuf2_common ecc intel_soc_dts_iosf snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify pinctrl_sunrisepoint int3403_thermal int340x_thermal_zone int3400_thermal chromeos_pstore acpi_thermal_rel cros_kbd_led_backlight coreboot_table 9ef7ac00000(0000) knlGS:0000000000000000 # [ 44.515073] CS: <4>[ 53.899766] CPU: 0 PID: 2279 Comm: cat Tainted: G D W 5.10.218-cip49 #1 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 44.521780] C<4>[ 53.914951] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 R2: ffffffffffffffd6 CR3: 000000010588a005 CR4: 00000000003706f0<4>[ 53.928264] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 44.530044] BUG: sleeping function called from invalid co<4>[ 53.940556] Code: 02 01 e8 cf 6d c5 00 0f 0b c3 cc cc cc cc 80 3d 1f cf f6 02 00 75 85 48 c7 c7 98 aa 02 91 c6 05 0f cf f6 02 01 e8 ac 6d c5 00 <0f> 0b c3 cc cc cc cc 80 3d fa ce f6 02 00 0f 85 5e ff ff ff 48 c7 ntext at include/linux/percpu-rwsem.h:49 # [ 44.540248] in_at<4>[ 53.968051] RSP: 0018:ffffa6d802de3e40 EFLAGS: 00010286 omic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1823, name: ca<4>[ 53.980394] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000 t # [ 44.548995] INFO: lockdep is turned off. # [ 44.55366<4>[ 53.994867] RDX: ffff99ef7ac2c620 RSI: ffff99ef7ac1bf50 RDI: ffff99ef7ac1bf50 4] irq event stamp: 0 # [ 44.557352] hardirqs last enabled a<4>[ 54.009354] RBP: ffffffff910cffc0 R08: 0000000000000000 R09: 0000000000000000 t (0): [<0000000000000000>] 0x0 # [ 44.564646] hardirqs last <4>[ 54.023837] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 54.038323] R13: ffffa6d802de3f10 R14: ffffa6d802de3f10 R15: ffff99ef06218000 # [ 44.574074] softirqs last enabled at (0): [[ 54.052804] FS: 00007f797fbc4740(0000) GS:ffff99ef7ac00000(0000) knlGS:0000000000000000 e5c>] copy_process+0x65c/0x20e0 # [ 44.583502] softirqs last <4>[ 54.068344] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 disabled at (0): [<0000000000000000>] 0x0 # [ 44.590783] CPU:<4>[ 54.081286] CR2: 00007f797fba3000 CR3: 00000001086cc001 CR4: 00000000003706f0 0 PID: 1823 Comm: cat Tainted: G D W 5.10.218-cip4<4>[ 54.095792] Call Trace: 9 #1 # [ 44.599724] Hardware name: Google Rammus/Rammus, BIOS<4>[ 54.105048] ? __warn+0x80/0x110 09/04/2020 # [ 44.606820] Call Trace: # [ 44.609841] du<4>[ 54.115143] ? refcount_warn_saturate+0xba/0x110 mp_stack+0x77/0x9b # [ 44.613835] ___might_sleep.cold+0xa6/0<4>[ 54.126809] ? report_bug+0x9e/0xc0 xb6 # [ 44.618706] exit_signals+0x1c/0x300 # [ 44.622993]<4>[ 54.137225] ? handle_bug+0x41/0x90 do_exit+0xc2/0xab0 # [ 44.626780] ? ksys_write+0x68/0xf0 <4>[ 54.147649] ? exc_invalid_op+0x14/0x70 # [ 44.630971] make_task_dead+0x2f/0x30 # [ 44.635348] re<4>[ 54.158426] ? asm_exc_invalid_op+0x12/0x20 wind_stack_and_make_dead+0x17/0x20 # [ 44.640891] RIP: 0033:0<4>[ 54.169627] ? refcount_warn_saturate+0xba/0x110 x7f9b69723240 # [ 44.645162] Code: 40 00 48 8b 15 c1 9b 0d 00<4>[ 54.181319] __refcount_sub_and_test.constprop.0+0x3c/0x50 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 <4>[ 54.193888] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x7b 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3<4>[ 54.206614] direct_entry.cold+0x2c/0x38 0f 1f 80 00 00 00 00 48 83 ec 28 48 89 # [ 44.666440] RSP: 0<4>[ 54.217503] full_proxy_write+0x53/0x80 02b:00007ffeb75a12e8 EFLAGS: 00000202 ORIG_RAX: 0000000000000001<4>[ 54.228330] vfs_write+0xe7/0x3b0 # [ 44.675188] RAX: ffffffffffffffda RBX: 000000000000000a R<4>[ 54.238501] ksys_write+0x68/0xf0 CX: 00007f9b69723240 # [ 44.683450] RDX: 000000000000000a RSI<4>[ 54.248760] do_syscall_64+0x30/0x40 : 00007f9b69607000 RDI: 0000000000000001 # [ 44.691713] RBP: <4>[ 54.259220] entry_SYSCALL_64_after_hwframe+0x67/0xd1 000000000000000a R08: 00000000ffffffff R09: 0000000000000000 # <4>[ 54.271397] RIP: 0033:0x7f797fcbf240 [ 44.699975] R10: 00007f9b696444d0 R11: 0000000000000202 R12: <4>[ 54.281875] 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 00007f9b69607000 # [ 44.708237] R13: 0000000000000001 R14: 00<4>[ 54.309402] RSP: 002b:00007ffd435fc078 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 00000000020000 R15: 0000000000000000 # EXEC_NULL: saw 'call tra<4>[ 54.324346] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f797fcbf240 ce:': ok ok 36 selftests: lkdtm: EXEC_NULL.sh # selftests: lkd<4>[ 54.338836] RDX: 000000000000001f RSI: 00007f797fba3000 RDI: 0000000000000001 tm: ACCESS_USERSPACE.sh # Killed # [ 44.879439] lkdtm: Perfo<4>[ 54.353304] RBP: 000000000000001f R08: 00000000ffffffff R09: 0000000000000000 rming direct entry ACCESS_USERSPACE # [ 44.890861] lkdtm: att<4>[ 54.367791] R10: 00007f797fbe04d0 R11: 0000000000000202 R12: 00007f797fba3000 empting bad read at 00007f31c0d98000 # [ 44.897323] BUG: unab<4>[ 54.382263] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 le to handle page fault for address: 00007f31c0d98000 # [ 44.<4>[ 54.396796] irq event stamp: 0 905306] #PF: supervisor read access in kernel mode # [ 44.917<4>[ 54.406668] hardirqs last enabled at (0): [<0000000000000000>] 0x0 544] #PF: error_code(0x0001) - permissions violation # [ 44.9<4>[ 54.420182] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 24057] PGD 80000001026de067 P4D 80000001026de067 PUD 102c93067 P<4>[ 54.435826] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 MD 10374f067 PTE 108dfc067 # [ 44.940290] Oops: 0001 [#12] SM<4>[ 54.451498] softirqs last disabled at (0): [<0000000000000000>] 0x0 P PTI # [ 44.944571] CPU: 3 PID: 1859 Comm: cat Tainted: G <4>[ 54.464981] ---[ end trace 904211b6156a7d4a ]--- D W 5.10.218-cip49 #1 # [ 44.953513] Hardware name<6>[ 54.476659] lkdtm: Negative detected: saturated : Google Rammus/Rammus, BIOS 09/04/2020 # [ 44.960613] RIP: 0010:lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3 # [ 44.967126] Code: 00 00 00 75 64 48 83 c4 10 5d c3 cc cc cc cc 48 89 ee 48 c7 c7 e8 11 0d 91 e8 c9 d6 fb ff 48 c7 c7 10 12 0d 91 b8 de c0 de c0 <48> 03 45 00 48 89 04 24 e8 b0 d6 fb ff 48 89 ee 48 c7 c7 38 12 0d # [ 44.988404] RSP: 0018:ffffa6d80273be48 EFLAGS: 00010246 # [ 44.994528] RAX: 00000000c0dec0de RBX: 0000000000000026 RCX: 0000000000000000 # [ 45.002790] RDX: 0000000000000000 RSI: ffff99ef7ad9bf50 RDI: ffffffff910d1210 # [ 45.011053] RBP: 00007f31c0d98000 R08: 0000000000000000 R09: 0000000000000000 # [ 45.019315] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000011 # [ 45.027576] R13: ffffa6d80273bf10 R14: ffffa6d80273bf10 R15: ffff99ef08605000 # [ 45.035839] FS: 00007f31c0bb1740(0000) GS:ffff99ef7ad80000(0000) knlGS:0000000000000000 # [ 45.045170] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 45.051879] CR2: 00007f31c0d98000 CR3: 0000000103754005 CR4: 00000000003706e0 # [ 45.060140] Call Trace: # [ 45.063161] ? __die_body.cold+0x1a/0x1f # [ 45.067830] ? no_context+0x177/0x380 # [ 45.072203] ? exc_page_fault+0x53/0x170 # [ 45.076870] ? asm_exc_page_fault+0x1e/0x30 # [ 45.081834] ? lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3 # [ 45.087667] ? lkdtm_ACCESS_USERSPACE.cold+0x35/0xa3 # [ 45.093526] direct_entry.cold+0x2c/0x38 # [ 45.098197] full_proxy_write+0x53/0x80 # [ 45.102770] vfs_write+0xe7/0x3b0 # [ 45.106759] ksys_write+0x68/0xf0 # [ 45.110750] do_syscall_64+0x30/0x40 # [ 45.115031] entry_SYSCALL_64_after_hwframe+0x67/0xd1 # [ 45.120962] RIP: 0033:0x7f31c0cac240 # [ 45.125244] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff<6>[ 54.656533] lkdtm: Performing direct entry REFCOUNT_INC_ZERO ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f <6>[ 54.668949] lkdtm: attempting safe refcount_inc_not_zero() from zero 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28<6>[ 54.682573] lkdtm: Good: zero detected <6>[ 54.693243] lkdtm: Correctly stayed at zero 48 89 # [ 45.146521] RSP: 002b:00007ffd16b9da18 EFLAGS: 0000<6>[ 54.698207] lkdtm: attempting bad refcount_inc() from zero <4>[ 54.710841] ------------[ cut here ]------------ 0202 ORIG_RAX: 0000000000000001 # [ 45.155269] RAX: fffffffff<4>[ 54.716290] refcount_t: addition on 0; use-after-free. fffffda RBX: 0000000000000011 RCX: 00007f31c0cac240 # [ 45.16<4>[ 54.728562] WARNING: CPU: 1 PID: 2312 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 3530] RDX: 0000000000000011 RSI: 00007f31c0b90000 RDI: 000000000<4>[ 54.744468] Modules linked in: fuse ip_tables cros_ec_lid_angle btusb btrtl btbcm btintel cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio iTCO_wdt cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs bluetooth cros_usbpd_logger cros_ec_chardev cros_usbpd_charger uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 watchdog cros_ec_sensorhub ecdh_generic intel_pmc_core_pltdrv snd_soc_max98927 snd_soc_da7219 intel_pmc_core processor_thermal_device gsmi iwlmvm cros_ec_dev x86_pkg_temp_thermal intel_pmc_bxt iwlwifi snd_soc_core idma64 videobuf2_common ecc intel_soc_dts_iosf snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify pinctrl_sunrisepoint int3403_thermal int340x_thermal_zone int3400_thermal chromeos_pstore acpi_thermal_rel cros_kbd_led_backlight coreboot_table 0000001 # [ 45.171792] RBP: 0000000000000011 R08: 00000000fff<4>[ 54.832183] CPU: 1 PID: 2312 Comm: cat Tainted: G D W 5.10.218-cip49 #1 <4>[ 54.847337] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 fffff R09: 0000000000000000 # [ 45.180051] R10: 00007f31c0bcd<4>[ 54.854438] RIP: 0010:refcount_warn_saturate+0x74/0x110 4d0 R11: 0000000000000202 R12: 00007f31c0b90000 # [ 45.188314<4>[ 54.866800] Code: 02 01 e8 15 6e c5 00 0f 0b c3 cc cc cc cc 80 3d 66 cf f6 02 00 75 cb 48 c7 c7 68 aa 02 91 c6 05 56 cf f6 02 01 e8 f2 6d c5 00 <0f> 0b c3 cc cc cc cc 80 3d 45 cf f6 02 00 75 a8 48 c7 c7 40 aa 02 ] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000<4>[ 54.894271] RSP: 0018:ffffa6d802ea3e48 EFLAGS: 00010286 <4>[ 54.906612] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000 000 # [ 45.196580] Modules linked in: fuse ip_tables cros_ec_<4>[ 54.914878] RDX: ffff99ef7acac620 RSI: ffff99ef7ac9bf50 RDI: ffff99ef7ac9bf50 <4>[ 54.929351] RBP: ffffffff910d0361 R08: 0000000000000000 R09: 0000000000000000 lid_angle btusb btrtl btbcm btintel cros_ec_sensors cros_ec_sens<4>[ 54.937616] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 <4>[ 54.952090] R13: ffffa6d802ea3f10 R14: ffffa6d802ea3f10 R15: ffff99ef07129000 ors_core industrialio_triggered_buffer kfifo_buf industrialio iT<4>[ 54.960354] FS: 00007fadc4379740(0000) GS:ffff99ef7ac80000(0000) knlGS:0000000000000000 <4>[ 54.975896] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CO_wdt cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs bluetooth <4>[ 54.982607] CR2: 00007fadc4358000 CR3: 00000001072a0005 CR4: 00000000003706e0 <4>[ 54.997078] Call Trace: cros_usbpd_logger cros_ec_chardev cros_usbpd_charger uvcvideo vi<4>[ 55.000103] ? __warn+0x80/0x110 deobuf2_vmalloc videobuf2_memops videobuf2_v4l2 watchdog cros_ec<4>[ 55.010204] ? refcount_warn_saturate+0x74/0x110 _sensorhub ecdh_generic intel_pmc_core_pltdrv snd_soc_max98927 s<4>[ 55.021867] ? report_bug+0x9e/0xc0 nd_soc_da7219 intel_pmc_core processor_thermal_device gsmi iwlmv<4>[ 55.032268] ? handle_bug+0x41/0x90 m cros_ec_dev x86_pkg_temp_thermal intel_pmc_bxt iwlwifi snd_soc<4>[ 55.042667] ? exc_invalid_op+0x14/0x70 _core idma64 videobuf2_common ecc intel_soc_dts_iosf snd_compres<4>[ 55.053481] ? asm_exc_invalid_op+0x12/0x20 s snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify pinctrl<4>[ 55.064660] ? refcount_warn_saturate+0x74/0x110 <4>[ 55.076319] ? refcount_warn_saturate+0x74/0x110 _sunrisepoint int3403_thermal int340x_thermal_zone int3400_therm<4>[ 55.081770] lkdtm_REFCOUNT_INC_ZERO+0x99/0xc1 al chromeos_pstore acpi_thermal_rel cros_kbd_led_backlight coreb<4>[ 55.093233] direct_entry.cold+0x2c/0x38 oot_table # [ 45.284332] CR2: 00007f31c0d98000 # [ 45.2883<4>[ 55.104126] full_proxy_write+0x53/0x80 20] ---[ end trace 904211b6156a7d3e ]--- # [ 45.293758] RIP: <4>[ 55.114913] vfs_write+0xe7/0x3b0 0010:lkdtm_BUG+0x5/0x10 # [ 45.298427] Code: 89 ff e8 de ab 7<4>[ 55.125116] ksys_write+0x68/0xf0 9 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc<4>[ 55.135323] do_syscall_64+0x30/0x40 cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 8<4>[ 55.145820] entry_SYSCALL_64_after_hwframe+0x67/0xd1 4 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 0b eb 03 # [ 45.3197<4>[ 55.157969] RIP: 0033:0x7fadc4474240 <4>[ 55.168467] 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 05] RSP: 0018:ffffa6d80145be60 EFLAGS: 00010282 # [ 45.325830<4>[ 55.189749] RSP: 002b:00007ffc2a2474f8 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 ] RAX: ffffffff8ed80270 RBX: 0000000000000001 RCX: 0000000000000<4>[ 55.204707] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fadc4474240 <4>[ 55.219187] RDX: 0000000000000012 RSI: 00007fadc4358000 RDI: 0000000000000001 000 # [ 45.334092] RDX: 0000000000000000 RSI: ffff99ef7ad1bf5<4>[ 55.227452] RBP: 0000000000000012 R08: 00000000ffffffff R09: 0000000000000000 <4>[ 55.241926] R10: 00007fadc43954d0 R11: 0000000000000202 R12: 00007fadc4358000 0 RDI: ffffffff90c40670 # [ 45.342353] RBP: ffffffff91136f98 <4>[ 55.250192] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 R08: 0000000000000001 R09: 0000000000000001 # [ 45.350615] R1<4>[ 55.264689] irq event stamp: 0 <4>[ 55.274608] hardirqs last enabled at (0): [<0000000000000000>] 0x0 0: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 55.281901] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 55.297539] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 45.358876] R13: ffffa6d80145bf10 R14: ffffa6d80145bf10 R1<4>[ 55.306968] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 55.320469] ---[ end trace 904211b6156a7d4b ]--- 5: ffff99ef026f4000 # [ 45.367137] FS: 00007f31c0bb1740(0000<6>[ 55.325917] lkdtm: Zero detected: saturated ) GS:ffff99ef7ad80000(0000) knlGS:0000000000000000 # [ 45.376467] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 45.383174] CR2: 00007f31c0d98000 CR3: 0000000103754005 CR4: 00000000003706e0 # ACCESS_USERSPACE: saw 'call trace:': ok ok 37 selftests: lkdtm: ACCESS_USERSPACE.sh # selftests: lkdtm: ACCESS_NULL.sh # Killed # [ 45.521938] lkdtm: Performing direct entry ACCESS_NULL # [ 45.528038] lkdtm: attempting bad read at 0000000000000000 # [ 45.534476] BUG: kernel NULL pointer dereference, address: 0000000000000000 # [ 45.542552] #PF: supervisor read access in kernel mode # [ 45.548582] #PF: error_code(0x0000) - not-present page # [ 45.554603] PGD 0 P4D 0 # [ 45.557720] Oops: 0000 [#13] SMP PTI # [ 45.568215] CPU: 3 PID: 1895 Comm: cat Tainted: G D W 5.10.218-cip49 #1 # [ 45.577158] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 45.584258] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53 # [ 45.589799] Code: 6d d6 fb ff be 00 10 00 00 48 89 ef e8 cb d4 0a ff e9 69 ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 e8 11 0d 91 e8 47 d6 fb ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 10 12 0d 91 48 01 # [ 45.611077] RSP: 0018:ffffa6d8027d3e58 EFLAGS: 00010246 # [ 45.617194] RAX: 000000000000002e RBX: 0000000000000027 RCX: 0000000000000000 # [ 45.625454] RDX: 0000000000000000 RSI: ffff99ef7ad9bf50 RDI: ffff99ef7ad9bf50 <6>[ 55.469040] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO # [ 45.633716] RBP: ffffffff910d02d9 R08: 0000000000000000 R0<6>[ 55.480449] lkdtm: attempting safe refcount_add_not_zero() from zero 9: 0000000000000000 # [ 45.641978] R10: 00000000ffffe000 R11:<6>[ 55.494081] lkdtm: Good: zero detected 3fffffffffffffff R12: 000000000000000c # [ 45.650241] R13: f<6>[ 55.504790] lkdtm: Correctly stayed at zero fffa6d8027d3f10 R14: ffffa6d8027d3f10 R15: ffff99ef003d8000 # [<6>[ 55.516015] lkdtm: attempting bad refcount_add() from zero 45.658503] FS: 00007efdc7b1a740(0000) GS:ffff99ef7ad80000(00<4>[ 55.528601] ------------[ cut here ]------------ 00) knlGS:0000000000000000 # [ 45.667835] CS: 0010 DS: 0000 <4>[ 55.540324] refcount_t: addition on 0; use-after-free. ES: 0000 CR0: 0000000080050033 # [ 45.674541] CR2: 0000000000<4>[ 55.552591] WARNING: CPU: 0 PID: 2345 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 000000 CR3: 000000010767a002 CR4: 00000000003706e0 # [ 45.682<4>[ 55.568503] Modules linked in: fuse ip_tables cros_ec_lid_angle btusb btrtl btbcm btintel cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio iTCO_wdt cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs bluetooth cros_usbpd_logger cros_ec_chardev cros_usbpd_charger uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 watchdog cros_ec_sensorhub ecdh_generic intel_pmc_core_pltdrv snd_soc_max98927 snd_soc_da7219 intel_pmc_core processor_thermal_device gsmi iwlmvm cros_ec_dev x86_pkg_temp_thermal intel_pmc_bxt iwlwifi snd_soc_core idma64 videobuf2_common ecc intel_soc_dts_iosf snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify pinctrl_sunrisepoint int3403_thermal int340x_thermal_zone int3400_thermal chromeos_pstore acpi_thermal_rel cros_kbd_led_backlight coreboot_table 802] Call Trace: # [ 45.685823] ? __die_body.cold+0x1a/0x1f <4>[ 55.656172] CPU: 0 PID: 2345 Comm: cat Tainted: G D W 5.10.218-cip49 #1 # [ 45.690495] ? no_context+0x177/0x380 # [ 45.694875] ?<4>[ 55.671369] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 exc_page_fault+0x53/0x170 # [ 45.699543] ? asm_exc_page_fau<4>[ 55.684652] RIP: 0010:refcount_warn_saturate+0x74/0x110 lt+0x1e/0x30 # [ 45.704507] ? lkdtm_ACCESS_NULL+0x14/0x53 #<4>[ 55.696994] Code: 02 01 e8 15 6e c5 00 0f 0b c3 cc cc cc cc 80 3d 66 cf f6 02 00 75 cb 48 c7 c7 68 aa 02 91 c6 05 56 cf f6 02 01 e8 f2 6d c5 00 <0f> 0b c3 cc cc cc cc 80 3d 45 cf f6 02 00 75 a8 48 c7 c7 40 aa 02 [ 45.709371] ? lkdtm_ACCESS_NULL+0x14/0x53 # [ 45.714233]<4>[ 55.724487] RSP: 0018:ffffa6d802f43e48 EFLAGS: 00010286 direct_entry.cold+0x2c/0x38 # [ 45.718903] full_proxy_writ<4>[ 55.736828] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000 e+0x53/0x80 # [ 45.723476] vfs_write+0xe7/0x3b0 # [ 45.72<4>[ 55.751307] RDX: ffff99ef7ac2c620 RSI: ffff99ef7ac1bf50 RDI: ffff99ef7ac1bf50 7455] ksys_write+0x68/0xf0 # [ 45.731445] do_syscall_64+0x3<4>[ 55.765798] RBP: ffffffff910d0373 R08: 0000000000000000 R09: 0000000000000000 0/0x40 # [ 45.735717] entry_SYSCALL_64_after_hwframe+0x67/0x<4>[ 55.780275] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 d1 # [ 45.741639] RIP: 0033:0x7efdc7c15240 # [ 45.745912] <4>[ 55.794769] R13: ffffa6d802f43f10 R14: ffffa6d802f43f10 R15: ffff99ef04676000 Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff f<4>[ 55.809256] FS: 00007ff70bde4740(0000) GS:ffff99ef7ac00000(0000) knlGS:0000000000000000 f ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f<4>[ 55.824814] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 2<4>[ 55.837749] CR2: 00007ff70bdc3000 CR3: 00000001062d8002 CR4: 00000000003706f0 8 48 89 # [ 45.767191] RSP: 002b:00007ffc79558098 EFLAGS: 000<4>[ 55.852224] Call Trace: 00202 ORIG_RAX: 0000000000000001 # [ 45.775939] RAX: ffffffff<4>[ 55.861460] ? __warn+0x80/0x110 ffffffda RBX: 000000000000000c RCX: 00007efdc7c15240 # [ 45.7<4>[ 55.871590] ? refcount_warn_saturate+0x74/0x110 84201] RDX: 000000000000000c RSI: 00007efdc7af9000 RDI: 00000000<4>[ 55.883228] ? report_bug+0x9e/0xc0 00000001 # [ 45.792463] RBP: 000000000000000c R08: 00000000ff<4>[ 55.893655] ? handle_bug+0x41/0x90 ffffff R09: 0000000000000000 # [ 45.800726] R10: 00007efdc7b3<4>[ 55.904032] ? exc_invalid_op+0x14/0x70 64d0 R11: 0000000000000202 R12: 00007efdc7af9000 # [ 45.80900<4>[ 55.914848] ? asm_exc_invalid_op+0x12/0x20 5] R13: 0000000000000001 R14: 0000000000020000 R15: 000000000000<4>[ 55.926016] ? refcount_warn_saturate+0x74/0x110 0000 # [ 45.817271] Modules linked in: fuse ip_tables cros_ec<4>[ 55.937687] ? refcount_warn_saturate+0x74/0x110 _lid_angle btusb btrtl btbcm btintel cros_ec_sensors cros_ec_sen<4>[ 55.949336] lkdtm_REFCOUNT_ADD_ZERO+0x99/0xc1 sors_core industrialio_triggered_buffer kfifo_buf industrialio i<4>[ 55.960830] direct_entry.cold+0x2c/0x38 TCO_wdt cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs bluetooth<4>[ 55.971738] full_proxy_write+0x53/0x80 cros_usbpd_logger cros_ec_chardev cros_usbpd_charger uvcvideo v<4>[ 55.982521] vfs_write+0xe7/0x3b0 ideobuf2_vmalloc videobuf2_memops videobuf2_v4l2 watchdog cros_e<4>[ 55.992743] ksys_write+0x68/0xf0 c_sensorhub ecdh_generic intel_pmc_core_pltdrv snd_soc_max98927 <4>[ 56.002956] do_syscall_64+0x30/0x40 snd_soc_da7219 intel_pmc_core processor_thermal_device gsmi iwlm<4>[ 56.013442] entry_SYSCALL_64_after_hwframe+0x67/0xd1 vm cros_ec_dev x86_pkg_temp_thermal intel_pmc_bxt iwlwifi snd_so<4>[ 56.025606] RIP: 0033:0x7ff70bedf240 c_core idma64 videobuf2_common ecc intel_soc_dts_iosf snd_compre<4>[ 56.036090] 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 ss snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify pinctr<4>[ 56.063613] RSP: 002b:00007ffebfbd3668 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 l_sunrisepoint int3403_thermal int340x_thermal_zone int3400_ther<4>[ 56.078548] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007ff70bedf240 mal chromeos_pstore acpi_thermal_rel cros_kbd_led_backlight core<4>[ 56.093053] RDX: 0000000000000012 RSI: 00007ff70bdc3000 RDI: 0000000000000001 boot_table # [ 45.905025] CR2: 0000000000000000 # [ 45.909<4>[ 56.107509] RBP: 0000000000000012 R08: 00000000ffffffff R09: 0000000000000000 004] ---[ end trace 904211b6156a7d3f ]--- # [ 45.914451] RIP:<4>[ 56.121996] R10: 00007ff70be004d0 R11: 0000000000000202 R12: 00007ff70bdc3000 0010:lkdtm_BUG+0x5/0x10 # [ 45.919120] Code: 89 ff e8 de ab <4>[ 56.136473] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc c<4>[ 56.150983] irq event stamp: 0 c cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f <4>[ 56.160873] hardirqs last enabled at (0): [<0000000000000000>] 0x0 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 0b eb 03 # [ 45.940<4>[ 56.174407] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 396] RSP: 0018:ffffa6d80145be60 EFLAGS: 00010282 # [ 45.94652<4>[ 56.190039] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 1] RAX: ffffffff8ed80270 RBX: 0000000000000001 RCX: 000000000000<4>[ 56.205693] softirqs last disabled at (0): [<0000000000000000>] 0x0 0000 # [ 45.954784] RDX: 0000000000000000 RSI: ffff99ef7ad1bf<4>[ 56.219206] ---[ end trace 904211b6156a7d4c ]--- 50 RDI: ffffffff90c40670 # [ 45.963047] RBP: ffffffff91136f98<6>[ 56.230882] lkdtm: Zero detected: saturated R08: 0000000000000001 R09: 0000000000000001 # [ 45.971308] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 45.979570] R13: ffffa6d80145bf10 R14: ffffa6d80145bf10 R15: ffff99ef026f4000 # [ 45.987832] FS: 00007efdc7b1a740(0000) GS:ffff99ef7ad80000(0000) knlGS:0000000000000000 # [ 45.997161] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 46.003869] CR2: 0000000000000000 CR3: 000000010767a002 CR4: 00000000003706e0 # [ 46.012132] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 46.022336] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1895, name: cat # [ 46.031082] INFO: lockdep is turned off. # [ 46.035748] irq event stamp: 0 # [ 46.039446] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 46.046750] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 46.056178] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 46.065605] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 46.072895] CPU: 3 PID: 1895 Comm: cat Tainted: G D W 5.10.218-cip49 #1 # [ 46.081837] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 46.088933] Call Trace: # [ 46.091953] dump_stack+0x77/0x9b # [ 46.095942] ___might_sleep.cold+0xa6/0xb6 # [ 46.100808] exit_signals+0x1c/0x300 # [ <6>[ 56.376592] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED <6>[ 56.385922] lkdtm: attempting bad refcount_inc() from saturated 46.105090] do_exit+0xc2/0xab0 # [ 46.108885] ? ksys_write+<4>[ 56.392839] ------------[ cut here ]------------ <4>[ 56.404498] refcount_t: saturated; leaking memory. <4>[ 56.410182] WARNING: CPU: 2 PID: 2381 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 0x68/0xf0 # [ 46.113069] make_task_dead+0x2f/0x30 # [ 46.<4>[ 56.419908] Modules linked in: fuse ip_tables cros_ec_lid_angle btusb btrtl btbcm btintel cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio iTCO_wdt cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs bluetooth cros_usbpd_logger cros_ec_chardev cros_usbpd_charger uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 watchdog cros_ec_sensorhub ecdh_generic intel_pmc_core_pltdrv snd_soc_max98927 snd_soc_da7219 intel_pmc_core processor_thermal_device gsmi iwlmvm cros_ec_dev x86_pkg_temp_thermal intel_pmc_bxt iwlwifi snd_soc_core idma64 videobuf2_common ecc intel_soc_dts_iosf snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify pinctrl_sunrisepoint int3403_thermal int340x_thermal_zone int3400_thermal chromeos_pstore acpi_thermal_rel cros_kbd_led_backlight coreboot_table <4>[ 56.507606] CPU: 2 PID: 2381 Comm: cat Tainted: G D W 5.10.218-cip49 #1 117445] rewind_stack_and_make_dead+0x17/0x20 # [ 46.122989] <4>[ 56.516580] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 RIP: 0033:0x7efdc7c15240 # [ 46.127261] Code: 40 00 48 8b 15 <4>[ 56.529895] RIP: 0010:refcount_warn_saturate+0x51/0x110 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 8<4>[ 56.542239] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 8a cf f6 02 00 75 ee 48 c7 c7 40 aa 02 91 c6 05 7a cf f6 02 01 e8 15 6e c5 00 <0f> 0b c3 cc cc cc cc 80 3d 66 cf f6 02 00 75 cb 48 c7 c7 68 aa 02 <4>[ 56.569759] RSP: 0018:ffffa6d802fa3e48 EFLAGS: 00010286 0 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff <4>[ 56.575913] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000 <4>[ 56.590390] RDX: ffff99ef7ad2c620 RSI: ffff99ef7ad1bf50 RDI: ffff99ef7ad1bf50 <4>[ 56.598657] RBP: ffffffff910d0385 R08: 0000000000000000 R09: 0000000000000000 <4>[ 56.606945] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89 # [ 46.148<4>[ 56.615224] R13: ffffa6d802fa3f10 R14: ffffa6d802fa3f10 R15: ffff99ef060e7000 <4>[ 56.629704] FS: 00007f6813b66740(0000) GS:ffff99ef7ad00000(0000) knlGS:0000000000000000 539] RSP: 002b:00007ffc79558098 EFLAGS: 00000202 ORIG_RAX: 00000<4>[ 56.639045] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 56.651963] CR2: 00007f6813b45000 CR3: 0000000107eec002 CR4: 00000000003706e0 <4>[ 56.660228] Call Trace: <4>[ 56.663256] ? __warn+0x80/0x110 00000000001 # [ 46.157286] RAX: ffffffffffffffda RBX: 0000000<4>[ 56.667178] ? refcount_warn_saturate+0x51/0x110 <4>[ 56.678837] ? report_bug+0x9e/0xc0 <4>[ 56.683056] ? handle_bug+0x41/0x90 <4>[ 56.687274] ? exc_invalid_op+0x14/0x70 <4>[ 56.691873] ? asm_exc_invalid_op+0x12/0x20 <4>[ 56.696848] ? refcount_warn_saturate+0x51/0x110 <4>[ 56.702329] ? refcount_warn_saturate+0x51/0x110 <4>[ 56.707809] lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x64 <4>[ 56.713551] direct_entry.cold+0x2c/0x38 <4>[ 56.718256] full_proxy_write+0x53/0x80 <4>[ 56.722863] vfs_write+0xe7/0x3b0 <4>[ 56.726886] ksys_write+0x68/0xf0 <4>[ 56.730912] do_syscall_64+0x30/0x40 <4>[ 56.735227] entry_SYSCALL_64_after_hwframe+0x67/0xd1 <4>[ 56.741163] RIP: 0033:0x7f6813c61240 <4>[ 56.745476] 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>[ 56.766756] RSP: 002b:00007ffc8755d708 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 <4>[ 56.775538] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f6813c61240 <4>[ 56.783803] RDX: 0000000000000017 RSI: 00007f6813b45000 RDI: 0000000000000001 <4>[ 56.792066] RBP: 0000000000000017 R08: 00000000ffffffff R09: 0000000000000000 <4>[ 56.800333] R10: 00007f6813b824d0 R11: 0000000000000202 R12: 00007f6813b45000 <4>[ 56.808598] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 <4>[ 56.816868] irq event stamp: 0 <4>[ 56.820598] hardirqs last enabled at (0): [<0000000000000000>] 0x0 00000000c RCX: 00007efdc7c15240 # [ 46.165548] RDX: 000000000<4>[ 56.827896] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 56.843543] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 000000c RSI: 00007efdc7af9000 RDI: 0000000000000001 # [ 46.17<4>[ 56.852981] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 56.866486] ---[ end trace 904211b6156a7d4d ]--- <6>[ 56.871964] lkdtm: Saturation detected: still saturated 3808] RBP: 000000000000000c R08: 00000000ffffffff R09: 0000000000000000 # [ 46.182068] R10: 00007efdc7b364d0 R11: 0000000000000202 R12: 00007efdc7af9000 # [ 46.190331] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 # ACCESS_NULL: saw 'call trace:': ok ok 38 selftests: lkdtm: ACCESS_NULL.sh # selftests: lkdtm: WRITE_RO.sh # Killed # [ 46.370716] lkdtm: Performing direct entry WRITE_RO # [ 46.378590] lkdtm: attempting bad rodata write at ffffffff90c40af0 # [ 46.385820] BUG: unable to handle page fault for address: ffffffff90c40af0 # [ 46.393802] #PF: supervisor write access in kernel mode # [ 46.406142] #PF: error_code(0x0003) - permissions violation # [ 46.412654] PGD 2c229067 P4D 2c229067 PUD 2c22a063 PMD 800000002ba000e1 # [ 46.420425] Oops: 0003 [#14] SMP PTI # [ 46.424706] CPU: 2 PID: 1931 Comm: cat Tainted: G D W 5.10.218-cip49 #1 # [ 46.433648] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 46.440754] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a # [ 46.446006] Code: 00 48 c7 c7 c8 10 0d 91 48 c7 c6 f0 0a c4 90 e8 f1 d8 fb ff 48 8b 05 45 63 7e 01 ba 34 12 cd ab 48 c7 c7 f8 10 0d 91 48 31 d0 <48> 89 05 2f 63 7e 01 e9 cf d8 fb ff 0f 1f 44 00 00 48 8b 05 7e eb # [ 46.467285] RSP: 0018:ffffa6d802853e60 EFLAGS: 00010202 # [ 46.473409] RAX: 000000000198b861 RBX: 0000000000000028 RCX: 0000000000000000 # [ 46.481671] RDX: 00000000abcd1234 RSI: ffff99ef7ad1bf50 RDI: ffffffff910d10f8 # [ 46.489956] RBP: ffffffff910d02e5 R08: 0000<6>[ 57.021331] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED 000000000000 R09: 0000000000000000 # [ 46.498218] R10: 000000<6>[ 57.034578] lkdtm: attempting bad refcount_dec() from saturated 00ffffe000 R11: 3fffffffffffffff R12: 0000000000000009 # [ 46<4>[ 57.047722] ------------[ cut here ]------------ .506479] R13: ffffa6d802853f10 R14: ffffa6d802853f10 R15: ffff99<4>[ 57.059402] refcount_t: decrement hit 0; leaking memory. ef0638a000 # [ 46.514750] FS: 00007f3ceb7e2740(0000) GS:ffff<4>[ 57.071867] WARNING: CPU: 0 PID: 2417 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 99ef7ad00000(0000) knlGS:0000000000000000 # [ 46.524079] CS: <4>[ 57.087765] Modules linked in: fuse ip_tables cros_ec_lid_angle btusb btrtl btbcm btintel cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio iTCO_wdt cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs bluetooth cros_usbpd_logger cros_ec_chardev cros_usbpd_charger uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 watchdog cros_ec_sensorhub ecdh_generic intel_pmc_core_pltdrv snd_soc_max98927 snd_soc_da7219 intel_pmc_core processor_thermal_device gsmi iwlmvm cros_ec_dev x86_pkg_temp_thermal intel_pmc_bxt iwlwifi snd_soc_core idma64 videobuf2_common ecc intel_soc_dts_iosf snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify pinctrl_sunrisepoint int3403_thermal int340x_thermal_zone int3400_thermal chromeos_pstore acpi_thermal_rel cros_kbd_led_backlight coreboot_table 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 46.530787] <4>[ 57.175487] CPU: 0 PID: 2417 Comm: cat Tainted: G D W 5.10.218-cip49 #1 CR2: ffffffff90c40af0 CR3: 00000001062ae005 CR4: 00000000003706e<4>[ 57.190637] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 0 # [ 46.539047] Call Trace: # [ 46.542068] ? __die_body.<4>[ 57.204008] RIP: 0010:refcount_warn_saturate+0xfb/0x110 cold+0x1a/0x1f # [ 46.546737] ? no_context+0x177/0x380 # [ <4>[ 57.216316] Code: f0 aa 02 91 c6 05 e6 ce f6 02 01 e8 85 6d c5 00 0f 0b c3 cc cc cc cc 48 c7 c7 c0 aa 02 91 c6 05 cd ce f6 02 01 e8 6b 6d c5 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b 46.551159] ? exc_page_fault+0xd7/0x170 # [ 46.555827] ? a<4>[ 57.243819] RSP: 0018:ffffa6d803063e48 EFLAGS: 00010286 sm_exc_page_fault+0x1e/0x30 # [ 46.560790] ? lkdtm_WRITE_RO+<4>[ 57.256127] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000 0x2e/0x3a # [ 46.565362] direct_entry.cold+0x2c/0x38 # [ <4>[ 57.270624] RDX: ffff99ef7ac2c620 RSI: ffff99ef7ac1bf50 RDI: ffff99ef7ac1bf50 46.570033] full_proxy_write+0x53/0x80 # [ 46.574606] vfs_wr<4>[ 57.285085] RBP: ffffffff910d039c R08: 0000000000000000 R09: 0000000000000000 ite+0xe7/0x3b0 # [ 46.578595] ksys_write+0x68/0xf0 # [ 46<4>[ 57.299581] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 .582585] do_syscall_64+0x30/0x40 # [ 46.586864] entry_SYSCA<4>[ 57.314044] R13: ffffa6d803063f10 R14: ffffa6d803063f10 R15: ffff99ef07243000 LL_64_after_hwframe+0x67/0xd1 # [ 46.592795] RIP: 0033:0x7f3c<4>[ 57.328543] FS: 00007f7bdf300740(0000) GS:ffff99ef7ac00000(0000) knlGS:0000000000000000 eb8dd240 # [ 46.597066] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d<4>[ 57.344074] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00<4>[ 57.357009] CR2: 00007f7bdf2df000 CR3: 00000001066b2003 CR4: 00000000003706f0 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1<4>[ 57.371476] Call Trace: f 80 00 00 00 00 48 83 ec 28 48 89 # [ 46.618343] RSP: 002b:0<4>[ 57.380780] ? __warn+0x80/0x110 0007fff07140cc8 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 # [<4>[ 57.390833] ? refcount_warn_saturate+0xfb/0x110 46.627091] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 0<4>[ 57.402505] ? report_bug+0x9e/0xc0 0007f3ceb8dd240 # [ 46.635353] RDX: 0000000000000009 RSI: 000<4>[ 57.412900] ? handle_bug+0x41/0x90 07f3ceb7c1000 RDI: 0000000000000001 # [ 46.643612] RBP: 00000<4>[ 57.423337] ? exc_invalid_op+0x14/0x70 00000000009 R08: 00000000ffffffff R09: 0000000000000000 # [ 4<4>[ 57.434087] ? asm_exc_invalid_op+0x12/0x20 6.651873] R10: 00007f3ceb7fe4d0 R11: 0000000000000202 R12: 00007<4>[ 57.445314] ? refcount_warn_saturate+0xfb/0x110 f3ceb7c1000 # [ 46.660134] R13: 0000000000000001 R14: 0000000<4>[ 57.456936] ? refcount_warn_saturate+0xfb/0x110 000020000 R15: 0000000000000000 # [ 46.668399] Modules linked<4>[ 57.468611] lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5f in: fuse ip_tables cros_ec_lid_angle btusb btrtl btbcm btintel <4>[ 57.480553] direct_entry.cold+0x2c/0x38 cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buff<4>[ 57.491469] full_proxy_write+0x53/0x80 er kfifo_buf industrialio iTCO_wdt cros_ec_lightbar cros_ec_sysf<4>[ 57.502238] vfs_write+0xe7/0x3b0 s cros_ec_debugfs bluetooth cros_usbpd_logger cros_ec_chardev cr<4>[ 57.512454] ksys_write+0x68/0xf0 os_usbpd_charger uvcvideo videobuf2_vmalloc videobuf2_memops vid<4>[ 57.522645] do_syscall_64+0x30/0x40 eobuf2_v4l2 watchdog cros_ec_sensorhub ecdh_generic intel_pmc_co<4>[ 57.533150] entry_SYSCALL_64_after_hwframe+0x67/0xd1 re_pltdrv snd_soc_max98927 snd_soc_da7219 intel_pmc_core process<4>[ 57.545315] RIP: 0033:0x7f7bdf3fb240 or_thermal_device gsmi iwlmvm cros_ec_dev x86_pkg_temp_thermal i<4>[ 57.555777] 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 ntel_pmc_bxt iwlwifi snd_soc_core idma64 videobuf2_common ecc in<4>[ 57.583315] RSP: 002b:00007fff951dbcd8 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 tel_soc_dts_iosf snd_compress snd_pcm_dmaengine regmap_i2c i2c_h<4>[ 57.598274] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f7bdf3fb240 id cros_usbpd_notify pinctrl_sunrisepoint int3403_thermal int340<4>[ 57.612781] RDX: 0000000000000017 RSI: 00007f7bdf2df000 RDI: 0000000000000001 x_thermal_zone int3400_thermal chromeos_pstore acpi_thermal_rel <4>[ 57.627196] RBP: 0000000000000017 R08: 00000000ffffffff R09: 0000000000000000 cros_kbd_led_backlight coreboot_table # [ 46.756145] CR2: fff<4>[ 57.641670] R10: 00007f7bdf31c4d0 R11: 0000000000000202 R12: 00007f7bdf2df000 fffff90c40af0 # [ 46.760133] ---[ end trace 904211b6156a7d40 <4>[ 57.656210] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 ]--- # [ 46.765579] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 46.77<4>[ 57.670714] irq event stamp: 0 0246] Code: 89 ff e8 de ab 79 ff 48 c7 c0 ea ff ff ff eb de 48 c<4>[ 57.680641] hardirqs last enabled at (0): [<0000000000000000>] 0x0 7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f<4>[ 57.694139] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 0<4>[ 57.709819] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 5 e0 0b eb 03 # [ 46.791522] RSP: 0018:ffffa6d80145be60 EFLAG<4>[ 57.725430] softirqs last disabled at (0): [<0000000000000000>] 0x0 S: 00010282 # [ 46.797648] RAX: ffffffff8ed80270 RBX: 0000000<4>[ 57.738976] ---[ end trace 904211b6156a7d4e ]--- 000000001 RCX: 0000000000000000 # [ 46.805908] RDX: 000000000<6>[ 57.750624] lkdtm: Saturation detected: still saturated 0000000 RSI: ffff99ef7ad1bf50 RDI: ffffffff90c40670 # [ 46.814169] RBP: ffffffff91136f98 R08: 0000000000000001 R09: 0000000000000001 # [ 46.822433] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 46.830696] R13: ffffa6d80145bf10 R14: ffffa6d80145bf10 R15: ffff99ef026f4000 # [ 46.838958] FS: 00007f3ceb7e2740(0000) GS:ffff99ef7ad00000(0000) knlGS:0000000000000000 # [ 46.848288] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 46.854995] CR2: ffffffff90c40af0 CR3: 00000001062ae005 CR4: 00000000003706e0 # WRITE_RO: saw 'call trace:': ok ok 39 selftests: lkdtm: WRITE_RO.sh # selftests: lkdtm: WRITE_RO_AFTER_INIT.sh # Killed # [ 46.998877] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT # [ 47.006842] lkdtm: attempting bad ro_after_init write at ffffffff91159350 # [ 47.014734] BUG: unable to handle page fault for address: ffffffff91159350 # [ 47.022713] #PF: supervisor write access in kernel mode # [ 47.028838] #PF: error_code(0x0003) - permissions violation # [ 47.035356] PGD 2c229067 P4D 2c229067 PUD 2c22a063 PMD 800000002be000e1 # [ 47.043137] Oops: 0003 [#15] SMP PTI # [ 47.053632] CPU: 3 PID: 1967 Comm: cat Tainted: G D W 5.10.218-cip49 #1 # [ 47.062575] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 47.075889] RIP: 0010:lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a # [ 47.082209] Code: 11 0d 91 e9 a3 d8 fb ff 48 c7 c7 50 11 0d 91 e8 97 d8 fb ff 48 8b 05 4b eb cf 01 ba 34 12 cd ab 48 c7 c7 f8 10 0d 91 48 31 d0 <48> 89 05 35 eb cf 01 e9 75 d8 fb ff 0f 1f 44 00 00 41 54 48 c7 c7 # [ 47.103486] RSP: 0018:ffffa6d802903e60 EFLAGS: 00010202 # [ 47.109603] RAX: 00000000fe67479e RBX: 0000000000000029 RCX: 0000000000000000 # [ 47.117866] RDX: 00000000abcd1234 RSI: ffff99ef7ad9bf50 RDI: ffffffff910d10f8 # [ 47.126127] RBP: ffffffff910d02ee R08: 0000000000000000 R09: 0000000000000000 # [ 47.134388] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000014 # [ 47.142649] R13: ffffa6d802903f10 R14: fff<6>[ 57.955821] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED <6>[ 57.968957] lkdtm: attempting bad refcount_dec() from saturated <4>[ 57.975874] ------------[ cut here ]------------ <4>[ 57.981330] refcount_t: saturated; leaking memory. <4>[ 57.987003] WARNING: CPU: 2 PID: 2453 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 fa6d802903f10 R15: ffff99ef085ee000 # [ 47.150910] FS: 00007<4>[ 57.996727] Modules linked in: fuse ip_tables cros_ec_lid_angle btusb btrtl btbcm btintel cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio iTCO_wdt cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs bluetooth cros_usbpd_logger cros_ec_chardev cros_usbpd_charger uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 watchdog cros_ec_sensorhub ecdh_generic intel_pmc_core_pltdrv snd_soc_max98927 snd_soc_da7219 intel_pmc_core processor_thermal_device gsmi iwlmvm cros_ec_dev x86_pkg_temp_thermal intel_pmc_bxt iwlwifi snd_soc_core idma64 videobuf2_common ecc intel_soc_dts_iosf snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify pinctrl_sunrisepoint int3403_thermal int340x_thermal_zone int3400_thermal chromeos_pstore acpi_thermal_rel cros_kbd_led_backlight coreboot_table <4>[ 58.084435] CPU: 2 PID: 2453 Comm: cat Tainted: G D W 5.10.218-cip49 #1 <4>[ 58.093406] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 58.100506] RIP: 0010:refcount_warn_saturate+0x51/0x110 <4>[ 58.106660] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 8a cf f6 02 00 75 ee 48 c7 c7 40 aa 02 91 c6 05 7a cf f6 02 01 e8 15 6e c5 00 <0f> 0b c3 cc cc cc cc 80 3d 66 cf f6 02 00 75 cb 48 c7 c7 68 aa 02 f827fe84740(0000) GS:ffff99ef7ad80000(0000) knlGS:00000000000000<4>[ 58.127961] RSP: 0018:ffffa6d8030fbe48 EFLAGS: 00010286 <4>[ 58.140299] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000 <4>[ 58.148566] RDX: ffff99ef7ad2c620 RSI: ffff99ef7ad1bf50 RDI: ffff99ef7ad1bf50 <4>[ 58.156856] RBP: ffffffff910d03b3 R08: 0000000000000000 R09: 0000000000000000 <4>[ 58.165121] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 <4>[ 58.173386] R13: ffffa6d8030fbf10 R14: ffffa6d8030fbf10 R15: ffff99ef02dfd000 <4>[ 58.181651] FS: 00007f84a92c8740(0000) GS:ffff99ef7ad00000(0000) knlGS:0000000000000000 <4>[ 58.190984] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 58.197719] CR2: 00007f84a92a7000 CR3: 0000000107dba005 CR4: 00000000003706e0 <4>[ 58.205985] Call Trace: <4>[ 58.209010] ? __warn+0x80/0x110 00 # [ 47.160240] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080<4>[ 58.212933] ? refcount_warn_saturate+0x51/0x110 <4>[ 58.224588] ? report_bug+0x9e/0xc0 <4>[ 58.228801] ? handle_bug+0x41/0x90 050033 # [ 47.166948] CR2: ffffffff91159350 CR3: 0000000102df<4>[ 58.233021] ? exc_invalid_op+0x14/0x70 6006 CR4: 00000000003706e0 # [ 47.175209] Call Trace: # [ <4>[ 58.243813] ? asm_exc_invalid_op+0x12/0x20 <4>[ 58.254993] ? refcount_warn_saturate+0x51/0x110 <4>[ 58.260447] ? refcount_warn_saturate+0x51/0x110 <4>[ 58.265894] lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x64 <4>[ 58.271633] direct_entry.cold+0x2c/0x38 <4>[ 58.276308] full_proxy_write+0x53/0x80 <4>[ 58.280913] vfs_write+0xe7/0x3b0 <4>[ 58.284929] ksys_write+0x68/0xf0 <4>[ 58.288920] do_syscall_64+0x30/0x40 <4>[ 58.293203] entry_SYSCALL_64_after_hwframe+0x67/0xd1 <4>[ 58.299139] RIP: 0033:0x7f84a93c3240 <4>[ 58.303443] 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>[ 58.324724] RSP: 002b:00007fffeca4a218 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 <4>[ 58.333518] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f84a93c3240 <4>[ 58.341783] RDX: 0000000000000017 RSI: 00007f84a92a7000 RDI: 0000000000000001 <4>[ 58.350046] RBP: 0000000000000017 R08: 00000000ffffffff R09: 0000000000000000 <4>[ 58.358308] R10: 00007f84a92e44d0 R11: 0000000000000202 R12: 00007f84a92a7000 <4>[ 58.366570] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 <4>[ 58.374837] irq event stamp: 0 <4>[ 58.378567] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 58.385884] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 58.395312] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 58.404752] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 58.412046] ---[ end trace 904211b6156a7d4f ]--- <6>[ 58.417494] lkdtm: Saturation detected: still saturated 47.178229] ? __die_body.cold+0x1a/0x1f # [ 47.182900] ? no_context+0x177/0x380 # [ 47.187279] ? exc_page_fault+0xd7/0x170 # [ 47.191948] ? asm_exc_page_fault+0x1e/0x30 # [ 47.196902] ? lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a # [ 47.202541] direct_entry.cold+0x2c/0x38 # [ 47.207211] full_proxy_write+0x53/0x80 # [ 47.211784] vfs_write+0xe7/0x3b0 # [ 47.215774] ksys_write+0x68/0xf0 # [ 47.219764] do_syscall_64+0x30/0x40 # [ 47.224044] entry_SYSCALL_64_after_hwframe+0x67/0xd1 # [ 47.229975] RIP: 0033:0x7f827ff7f240 # [ 47.234254] 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 # [ 47.255532] RSP: 002b:00007ffccac75f88 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 # [ 47.264271] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f827ff7f240 # [ 47.272531] RDX: 0000000000000014 RSI: 00007f827fe63000 RDI: 0000000000000001 # [ 47.280791] RBP: 0000000000000014 R08: 00000000ffffffff R09: 0000000000000000 # [ 47.289054] R10: 00007f827fea04d0 R11: 0000000000000202 R12: 00007f827fe63000 # [ 47.297316] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 # [ 47.305579] Modules linked in: fuse ip_tables cros_ec_lid_angle btusb btrtl btbcm btintel cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio iTCO_wdt cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs bluetooth cros_usbpd_logger cros_ec_chardev cros_usbpd_charger uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 watchdog cros_ec<6>[ 58.579573] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED _sensorhub ecdh_generic intel_pmc_core_pltdrv snd_soc_max98927 s<6>[ 58.593352] lkdtm: attempting bad refcount_inc_not_zero() from saturated nd_soc_da7219 intel_pmc_core processor_thermal_device gsmi iwlmv<4>[ 58.607367] ------------[ cut here ]------------ m cros_ec_dev x86_pkg_temp_thermal intel_pmc_bxt iwlwifi snd_soc<4>[ 58.619044] refcount_t: saturated; leaking memory. _core idma64 videobuf2_common ecc intel_soc_dts_iosf snd_compres<4>[ 58.630919] WARNING: CPU: 0 PID: 2486 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 s snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify pinctrl<4>[ 58.646841] Modules linked in: fuse ip_tables cros_ec_lid_angle btusb btrtl btbcm btintel cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio iTCO_wdt cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs bluetooth cros_usbpd_logger cros_ec_chardev cros_usbpd_charger uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 watchdog cros_ec_sensorhub ecdh_generic intel_pmc_core_pltdrv snd_soc_max98927 snd_soc_da7219 intel_pmc_core processor_thermal_device gsmi iwlmvm cros_ec_dev x86_pkg_temp_thermal intel_pmc_bxt iwlwifi snd_soc_core idma64 videobuf2_common ecc intel_soc_dts_iosf snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify pinctrl_sunrisepoint int3403_thermal int340x_thermal_zone int3400_thermal chromeos_pstore acpi_thermal_rel cros_kbd_led_backlight coreboot_table _sunrisepoint int3403_thermal int340x_thermal_zone int3400_therm<4>[ 58.734568] CPU: 0 PID: 2486 Comm: cat Tainted: G D W 5.10.218-cip49 #1 al chromeos_pstore acpi_thermal_rel cros_kbd_led_backlight coreb<4>[ 58.749715] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 oot_table # [ 47.393333] CR2: ffffffff91159350 # [ 47.3973<4>[ 58.763059] RIP: 0010:refcount_warn_saturate+0x97/0x110 15] ---[ end trace 904211b6156a7d41 ]--- # [ 47.402754] RIP: <4>[ 58.775392] Code: 02 01 e8 f2 6d c5 00 0f 0b c3 cc cc cc cc 80 3d 45 cf f6 02 00 75 a8 48 c7 c7 40 aa 02 91 c6 05 35 cf f6 02 01 e8 cf 6d c5 00 <0f> 0b c3 cc cc cc cc 80 3d 1f cf f6 02 00 75 85 48 c7 c7 98 aa 02 0010:lkdtm_BUG+0x5/0x10 # [ 47.407424] Code: 89 ff e8 de ab 7<4>[ 58.802895] RSP: 0018:ffffa6d80316be38 EFLAGS: 00010282 9 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc<4>[ 58.815227] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 8<4>[ 58.829719] RDX: ffff99ef7ac2c620 RSI: ffff99ef7ac1bf50 RDI: ffff99ef7ac1bf50 4 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 0b eb 03 # [ 47.4287<4>[ 58.844217] RBP: ffffffff910cffe0 R08: 0000000000000000 R09: 0000000000000000 02] RSP: 0018:ffffa6d80145be60 EFLAGS: 00010282 # [ 47.434827<4>[ 58.858681] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 ] RAX: ffffffff8ed80270 RBX: 0000000000000001 RCX: 0000000000000<4>[ 58.873166] R13: ffffa6d80316bf10 R14: ffffa6d80316bf10 R15: ffff99ef072ff000 000 # [ 47.443089] RDX: 0000000000000000 RSI: ffff99ef7ad1bf5<4>[ 58.887685] FS: 00007f778f54a740(0000) GS:ffff99ef7ac00000(0000) knlGS:0000000000000000 0 RDI: ffffffff90c40670 # [ 47.451347] RBP: ffffffff91136f98 <4>[ 58.903218] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 R08: 0000000000000001 R09: 0000000000000001 # [ 47.459607] R1<4>[ 58.916238] CR2: 00007f778f529000 CR3: 00000001072fc005 CR4: 00000000003706f0 0: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 58.930655] Call Trace: # [ 47.467866] R13: ffffa6d80145bf10 R14: ffffa6d80145bf10 R1<4>[ 58.939918] ? __warn+0x80/0x110 5: ffff99ef026f4000 # [ 47.476127] FS: 00007f827fe84740(0000<4>[ 58.950044] ? refcount_warn_saturate+0x97/0x110 ) GS:ffff99ef7ad80000(0000) knlGS:0000000000000000 # [ 47.485<4>[ 58.961691] ? report_bug+0x9e/0xc0 456] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 47<4>[ 58.972150] ? handle_bug+0x41/0x90 .492162] CR2: ffffffff91159350 CR3: 0000000102df6006 CR4: 000000<4>[ 58.982524] ? exc_invalid_op+0x14/0x70 00003706e0 # [ 47.500425] BUG: sleeping function called from <4>[ 58.993338] ? asm_exc_invalid_op+0x12/0x20 invalid context at include/linux/percpu-rwsem.h:49 # [ 47.510<4>[ 59.004521] ? refcount_warn_saturate+0x97/0x110 620] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1967<4>[ 59.016177] ? refcount_warn_saturate+0x97/0x110 , name: cat # [ 47.519367] INFO: lockdep is turned off. # [ <4>[ 59.027841] __refcount_add_not_zero.constprop.0+0x2a/0x35 47.524034] irq event stamp: 0 # [ 47.527746] hardirqs last <4>[ 59.040515] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x76 enabled at (0): [<0000000000000000>] 0x0 # [ 47.535036] hard<4>[ 59.053333] direct_entry.cold+0x2c/0x38 irqs last disabled at (0): [] copy_process+0x6<4>[ 59.064267] full_proxy_write+0x53/0x80 5c/0x20e0 # [ 47.544463] softirqs last enabled at (0): [[ 59.075043] vfs_write+0xe7/0x3b0 fffff8e2fde5c>] copy_process+0x65c/0x20e0 # [ 47.553889] soft<4>[ 59.085283] ksys_write+0x68/0xf0 irqs last disabled at (0): [<0000000000000000>] 0x0 # [ 47.56<4>[ 59.095509] do_syscall_64+0x30/0x40 1181] CPU: 3 PID: 1967 Comm: cat Tainted: G D W 5.1<4>[ 59.106038] entry_SYSCALL_64_after_hwframe+0x67/0xd1 0.218-cip49 #1 # [ 47.570114] Hardware name: Google Rammus/Ra<4>[ 59.118179] RIP: 0033:0x7f778f645240 mmus, BIOS 09/04/2020 # [ 47.577210] Call Trace: # [ 47.5<4>[ 59.128714] 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 80229] dump_stack+0x77/0x9b # [ 47.584218] ___might_sleep.c<4>[ 59.156193] RSP: 002b:00007ffe166c62d8 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 old+0xa6/0xb6 # [ 47.589073] exit_signals+0x1c/0x300 # [ <4>[ 59.171165] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f778f645240 47.593353] do_exit+0xc2/0xab0 # [ 47.597150] ? ksys_write+0<4>[ 59.185650] RDX: 0000000000000020 RSI: 00007f778f529000 RDI: 0000000000000001 x68/0xf0 # [ 47.601334] make_task_dead+0x2f/0x30 # [ 47.6<4>[ 59.200175] RBP: 0000000000000020 R08: 00000000ffffffff R09: 0000000000000000 05713] rewind_stack_and_make_dead+0x17/0x20 # [ 47.611256] R<4>[ 59.214670] R10: 00007f778f5664d0 R11: 0000000000000202 R12: 00007f778f529000 IP: 0033:0x7f827ff7f240 # [ 47.615527] Code: 40 00 48 8b 15 c<4>[ 59.229186] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80<4>[ 59.243691] irq event stamp: 0 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff f<4>[ 59.253618] hardirqs last enabled at (0): [<0000000000000000>] 0x0 f 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89 # [ 47.6368<4>[ 59.267153] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 06] RSP: 002b:00007ffccac75f88 EFLAGS: 00000202 ORIG_RAX: 000000<4>[ 59.282795] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 0000000001 # [ 47.645556] RAX: ffffffffffffffda RBX: 00000000<4>[ 59.298482] softirqs last disabled at (0): [<0000000000000000>] 0x0 00000014 RCX: 00007f827ff7f240 # [ 47.653818] RDX: 0000000000<4>[ 59.311968] ---[ end trace 904211b6156a7d50 ]--- 000014 RSI: 00007f827fe63000 RDI: 0000000000000001 # [ 47.662<6>[ 59.323659] lkdtm: Saturation detected: still saturated 081] RBP: 0000000000000014 R08: 00000000ffffffff R09: 0000000000000000 # [ 47.670342] R10: 00007f827fea04d0 R11: 0000000000000202 R12: 00007f827fe63000 # [ 47.678603] 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 # [ 47.825913] lkdtm: Performing direct entry WRITE_KERN # [ 47.835814] lkdtm: attempting bad 7184613 byte write at ffffffff8f45a725 # [ 47.843615] BUG: unable to handle page fault for address: ffffffff8f45a725 # [ 47.857787] #PF: supervisor write access in kernel mode # [ 47.863916] #PF: error_code(0x0003) - permissions violation # [ 47.870429] PGD 2c229067 P4D 2c229067 PUD 2c22a063 PMD 2a2000e1 # [ 47.877434] Oops: 0003 [#16] SMP PTI # [ 47.887928] CPU: 3 PID: 2003 Comm: cat Tainted: G D W 5.10.218-cip49 #1 # [ 47.896871] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 47.903970] RIP: 0010:lkdtm_WRITE_KERN+0x38/0x4e # [ 47.909417] Code: 53 48 c7 c3 25 a7 45 8f 49 89 dc 48 89 da 49 81 ec 40 06 d8 8e 4c 89 e6 e8 4a d8 fb ff 48 89 df 4c 89 e1 48 c7 c6 40 06 d8 8e a4 48 c7 c7 f8 10 0d 91 e8 2f d8 fb ff 5b 41 5c e9 b7 fe ff ff # [ 47.930695] RSP: 0018:ffffa6d80299be50 EFLAGS: 00010246 # [ 47.936821] RAX: 000000000000003c RBX: ffffffff8f45a725 RCX: 00000000006da0e5 # [ 47.945083] RDX: 0000000000000000 RSI: ffffffff8ed80640 RDI: ffffffff8f45a725 # [ 47.953346] RBP: ffffffff910d0302 R08: 0000000000000000 R09: 0000000000000000 # [ 47.<6>[ 59.490609] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED <6>[ 59.499529] lkdtm: attempting bad refcount_add_not_zero() from saturated <4>[ 59.507318] ------------[ cut here ]------------ <4>[ 59.512772] refcount_t: saturated; leaking memory. <4>[ 59.518444] WARNING: CPU: 3 PID: 2519 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 961606] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000<4>[ 59.528170] Modules linked in: fuse ip_tables cros_ec_lid_angle btusb btrtl btbcm btintel cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio iTCO_wdt cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs bluetooth cros_usbpd_logger cros_ec_chardev cros_usbpd_charger uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 watchdog cros_ec_sensorhub ecdh_generic intel_pmc_core_pltdrv snd_soc_max98927 snd_soc_da7219 intel_pmc_core processor_thermal_device gsmi iwlmvm cros_ec_dev x86_pkg_temp_thermal intel_pmc_bxt iwlwifi snd_soc_core idma64 videobuf2_common ecc intel_soc_dts_iosf snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify pinctrl_sunrisepoint int3403_thermal int340x_thermal_zone int3400_thermal chromeos_pstore acpi_thermal_rel cros_kbd_led_backlight coreboot_table 0006da0e5 # [ 47.969867] R13: ffffa6d80299bf10 R14: ffffa6d80<4>[ 59.615860] CPU: 3 PID: 2519 Comm: cat Tainted: G D W 5.10.218-cip49 #1 299bf10 R15: ffff99ef06253000 # [ 47.978129] FS: 00007fe2143<4>[ 59.631017] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 b1740(0000) GS:ffff99ef7ad80000(0000) knlGS:0000000000000000 # <4>[ 59.644336] RIP: 0010:refcount_warn_saturate+0x97/0x110 [ 47.987460] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033<4>[ 59.656676] Code: 02 01 e8 f2 6d c5 00 0f 0b c3 cc cc cc cc 80 3d 45 cf f6 02 00 75 a8 48 c7 c7 40 aa 02 91 c6 05 35 cf f6 02 01 e8 cf 6d c5 00 <0f> 0b c3 cc cc cc cc 80 3d 1f cf f6 02 00 75 85 48 c7 c7 98 aa 02 # [ 47.994169] CR2: ffffffff8f45a725 CR3: 0000000103fb6002 C<4>[ 59.684170] RSP: 0018:ffffa6d8031dbe38 EFLAGS: 00010282 R4: 00000000003706e0 # [ 48.002430] Call Trace: # [ 48.005<4>[ 59.696513] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 451] ? __die_body.cold+0x1a/0x1f # [ 48.010121] ? no_contex<4>[ 59.710990] RDX: ffff99ef7adac620 RSI: ffff99ef7ad9bf50 RDI: ffff99ef7ad9bf50 t+0x177/0x380 # [ 48.014491] ? lkdtm_SLAB_FREE_CROSS.cold+0x<4>[ 59.725467] RBP: ffffffff910d0000 R08: 0000000000000000 R09: 0000000000000000 32/0x32 # [ 48.020229] ? exc_page_fault+0xd7/0x170 # [ 48<4>[ 59.739946] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 .024888] ? asm_exc_page_fault+0x1e/0x30 # [ 48.029848] ? lk<4>[ 59.754427] R13: ffffa6d8031dbf10 R14: ffffa6d8031dbf10 R15: ffff99ef06541000 dtm_SLAB_FREE_CROSS.cold+0x32/0x32 # [ 48.035588] ? lkdtm_SL<4>[ 59.768905] FS: 00007fd4eee66740(0000) GS:ffff99ef7ad80000(0000) knlGS:0000000000000000 AB_FREE_PAGE+0x40/0x40 # [ 48.040755] ? lkdtm_SLAB_FREE_CROS<4>[ 59.784449] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 S.cold+0x32/0x32 # [ 48.046493] ? lkdtm_WRITE_KERN+0x38/0x4e<4>[ 59.797374] CR2: 00007fd4eee45000 CR3: 0000000107632004 CR4: 00000000003706e0 # [ 48.051260] direct_entry.cold+0x2c/0x38 # [ 48.055921<4>[ 59.811853] Call Trace: ] full_proxy_write+0x53/0x80 # [ 48.060486] vfs_write+0xe7/<4>[ 59.821093] ? __warn+0x80/0x110 0x3b0 # [ 48.064476] ksys_write+0x68/0xf0 # [ 48.068465] <4>[ 59.831197] ? refcount_warn_saturate+0x97/0x110 do_syscall_64+0x30/0x40 # [ 48.072757] entry_SYSCALL_64_aft<4>[ 59.842862] ? report_bug+0x9e/0xc0 er_hwframe+0x67/0xd1 # [ 48.078700] RIP: 0033:0x7fe2144ac240 <4>[ 59.853260] ? handle_bug+0x41/0x90 # [ 48.082980] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 0<4>[ 59.863656] ? exc_invalid_op+0x14/0x70 <4>[ 59.874443] ? asm_exc_invalid_op+0x12/0x20 2 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17<4>[ 59.879411] ? refcount_warn_saturate+0x97/0x110 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 0<4>[ 59.891065] ? refcount_warn_saturate+0x97/0x110 0 00 00 48 83 ec 28 48 89 # [ 48.104250] RSP: 002b:00007ffd8c<4>[ 59.902728] __refcount_add_not_zero.constprop.0+0x2a/0x35 0ea3a8 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 # [ 48.112<4>[ 59.915362] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x76 997] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007fe214<4>[ 59.928188] direct_entry.cold+0x2c/0x38 4ac240 # [ 48.121258] RDX: 000000000000000b RSI: 00007fe21439<4>[ 59.939078] full_proxy_write+0x53/0x80 0000 RDI: 0000000000000001 # [ 48.129521] RBP: 00000000000000<4>[ 59.949866] vfs_write+0xe7/0x3b0 0b R08: 00000000ffffffff R09: 0000000000000000 # [ 48.137781]<4>[ 59.960076] ksys_write+0x68/0xf0 R10: 00007fe2143cd4d0 R11: 0000000000000202 R12: 00007fe2143900<4>[ 59.970278] do_syscall_64+0x30/0x40 00 # [ 48.146043] R13: 0000000000000001 R14: 0000000000020000<4>[ 59.980778] entry_SYSCALL_64_after_hwframe+0x67/0xd1 R15: 0000000000000000 # [ 48.154308] Modules linked in: fuse<4>[ 59.992926] RIP: 0033:0x7fd4eef61240 ip_tables cros_ec_lid_angle btusb btrtl btbcm btintel cros_ec_s<4>[ 60.003422] 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 ensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_<4>[ 60.030914] RSP: 002b:00007ffdd0af4928 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 buf industrialio iTCO_wdt cros_ec_lightbar cros_ec_sysfs cros_ec<4>[ 60.045876] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fd4eef61240 _debugfs bluetooth cros_usbpd_logger cros_ec_chardev cros_usbpd_<4>[ 60.060355] RDX: 0000000000000020 RSI: 00007fd4eee45000 RDI: 0000000000000001 <4>[ 60.074832] RBP: 0000000000000020 R08: 00000000ffffffff R09: 0000000000000000 charger uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4<4>[ 60.083095] R10: 00007fd4eee824d0 R11: 0000000000000202 R12: 00007fd4eee45000 l2 watchdog cros_ec_sensorhub ecdh_generic intel_pmc_core_pltdrv<4>[ 60.097571] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 snd_soc_max98927 snd_soc_da7219 intel_pmc_core processor_therma<4>[ 60.112054] irq event stamp: 0 <4>[ 60.121966] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 60.129260] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 l_device gsmi iwlmvm cros_ec_dev x86_pkg_temp_thermal intel_pmc_<4>[ 60.138699] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 60.154346] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 60.161640] ---[ end trace 904211b6156a7d51 ]--- <6>[ 60.167088] lkdtm: Saturation detected: still saturated bxt iwlwifi snd_soc_core idma64 videobuf2_common ecc intel_soc_dts_iosf snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify pinctrl_sunrisepoint int3403_thermal int340x_thermal_zone int3400_thermal chromeos_pstore acpi_thermal_rel cros_kbd_led_backlight coreboot_table # [ 48.242060] CR2: ffffffff8f45a725 # [ 48.246048] ---[ end trace 904211b6156a7d42 ]--- # [ 48.251488] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 48.256155] Code: 89 ff e8 de ab 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 e0 0b eb 03 # [ 48.277434] RSP: 0018:ffffa6d80145be60 EFLAGS: 00010282 # [ 48.283560] RAX: ffffffff8ed80270 RBX: 0000000000000001 RCX: 0000000000000000 # [ 48.291821] RDX: 0000000000000000 RSI: ffff99ef7ad1bf50 RDI: ffffffff90c40670 # [ 48.300082] RBP: ffffffff91136f98 R08: 0000000000000001 R09: 0000000000000001 # [ 48.308344] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 48.316607] R13: ffffa6d80145bf10 R14: ffffa6d80145bf10 R15: ffff99ef026f4000 # [ 48.324870] FS: 00007fe2143b1740(0000) GS:ffff99ef7ad80000(0000) knlGS:0000000000000000 # [ 48.334200] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 48.340909] CR2: ffffffff8f45a725 CR3: 0000000103fb6002 CR4: 00000000003706e0 # WRITE_KERN: saw 'call trace:': ok ok 41 selftests: lkdtm: WRITE_KERN.sh # selftests: lkdtm: REFCOUNT_INC_OVERFLOW.sh # [ 48.489651] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW # [ 48.499253] lkdtm: attempting good refcount_inc() without overflow # [ 48.506491] lkdtm: attempting bad refcount_inc() overflow # [ 48.519001] ------<6>[ 60.334998] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED ------[ cut here ]------------ # [ 48.524461] refcount_t: sat<6>[ 60.349082] lkdtm: attempting bad refcount_dec_and_test() from saturated urated; leaking memory. # [ 48.530125] WARNING: CPU: 2 PID: 2<4>[ 60.363056] ------------[ cut here ]------------ 039 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ <4>[ 60.374764] refcount_t: underflow; use-after-free. 48.539853] Modules linked in: fuse ip_tables cros_ec_lid_angle<4>[ 60.386625] WARNING: CPU: 0 PID: 2555 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 btusb btrtl btbcm btintel cros_ec_sensors cros_ec_sensors_core <4>[ 60.402536] Modules linked in: fuse ip_tables cros_ec_lid_angle btusb btrtl btbcm btintel cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio iTCO_wdt cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs bluetooth cros_usbpd_logger cros_ec_chardev cros_usbpd_charger uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 watchdog cros_ec_sensorhub ecdh_generic intel_pmc_core_pltdrv snd_soc_max98927 snd_soc_da7219 intel_pmc_core processor_thermal_device gsmi iwlmvm cros_ec_dev x86_pkg_temp_thermal intel_pmc_bxt iwlwifi snd_soc_core idma64 videobuf2_common ecc intel_soc_dts_iosf snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify pinctrl_sunrisepoint int3403_thermal int340x_thermal_zone int3400_thermal chromeos_pstore acpi_thermal_rel cros_kbd_led_backlight coreboot_table industrialio_triggered_buffer kfifo_buf industrialio iTCO_wdt cr<4>[ 60.490255] CPU: 0 PID: 2555 Comm: cat Tainted: G D W 5.10.218-cip49 #1 os_ec_lightbar cros_ec_sysfs cros_ec_debugfs bluetooth cros_usbp<4>[ 60.505408] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 d_logger cros_ec_chardev cros_usbpd_charger uvcvideo videobuf2_v<4>[ 60.518718] RIP: 0010:refcount_warn_saturate+0xba/0x110 malloc videobuf2_memops videobuf2_v4l2 watchdog cros_ec_sensorhu<4>[ 60.531078] Code: 02 01 e8 cf 6d c5 00 0f 0b c3 cc cc cc cc 80 3d 1f cf f6 02 00 75 85 48 c7 c7 98 aa 02 91 c6 05 0f cf f6 02 01 e8 ac 6d c5 00 <0f> 0b c3 cc cc cc cc 80 3d fa ce f6 02 00 0f 85 5e ff ff ff 48 c7 b ecdh_generic intel_pmc_core_pltdrv snd_soc_max98927 snd_soc_da<4>[ 60.558577] RSP: 0018:ffffa6d80326be40 EFLAGS: 00010286 7219 intel_pmc_core processor_thermal_device gsmi iwlmvm cros_ec<4>[ 60.570940] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000 _dev x86_pkg_temp_thermal intel_pmc_bxt iwlwifi snd_soc_core idm<4>[ 60.585418] RDX: ffff99ef7ac2c620 RSI: ffff99ef7ac1bf50 RDI: ffff99ef7ac1bf50 a64 videobuf2_common ecc intel_soc_dts_iosf snd_compress snd_pcm<4>[ 60.599906] RBP: ffffffff910d0020 R08: 0000000000000000 R09: 0000000000000000 _dmaengine regmap_i2c i2c_hid cros_usbpd_notify pinctrl_sunrisep<4>[ 60.614405] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 oint int3403_thermal int340x_thermal_zone int3400_thermal chrome<4>[ 60.628888] R13: ffffa6d80326bf10 R14: ffffa6d80326bf10 R15: ffff99ef066b3000 os_pstore acpi_thermal_rel cros_kbd_led_backlight coreboot_table<4>[ 60.643401] FS: 00007f66acc5b740(0000) GS:ffff99ef7ac00000(0000) knlGS:0000000000000000 # [ 48.627619] CPU: 2 PID: 2039 Comm: cat Tainted: G D <4>[ 60.658933] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 W 5.10.218-cip49 #1 # [ 48.636572] Hardware name: Goo<4>[ 60.671874] CR2: 00007f66acc3a000 CR3: 00000001072a0002 CR4: 00000000003706f0 gle Rammus/Rammus, BIOS 09/04/2020 # [ 48.649889] RIP: 0010:<4>[ 60.686325] Call Trace: refcount_warn_saturate+0x51/0x110 # [ 48.662233] Code: 84 bc <4>[ 60.695636] ? __warn+0x80/0x110 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 8a cf f6 02 00 75 ee 4<4>[ 60.705693] ? refcount_warn_saturate+0xba/0x110 8 c7 c7 40 aa 02 91 c6 05 7a cf f6 02 01 e8 15 6e c5 00 <0f> 0b <4>[ 60.717359] ? report_bug+0x9e/0xc0 c3 cc cc cc cc 80 3d 66 cf f6 02 00 75 cb 48 c7 c7 68 aa 02 # [<4>[ 60.727756] ? handle_bug+0x41/0x90 48.689735] RSP: 0018:ffffa6d802a2be48 EFLAGS: 00010286 # [ <4>[ 60.738175] ? exc_invalid_op+0x14/0x70 48.695893] RAX: 0000000000000000 RBX: 000000000000002b RCX: 000<4>[ 60.748945] ? asm_exc_invalid_op+0x12/0x20 0000000000000 # [ 48.704183] RDX: ffff99ef7ad2c620 RSI: ffff9<4>[ 60.760135] ? refcount_warn_saturate+0xba/0x110 9ef7ad1bf50 RDI: ffff99ef7ad1bf50 # [ 48.712448] RBP: fffffff<4>[ 60.771788] __refcount_sub_and_test.constprop.0+0x3c/0x50 f910d030d R08: 0000000000000000 R09: 0000000000000000 # [ 48.<4>[ 60.784430] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x76 720715] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000<4>[ 60.797261] direct_entry.cold+0x2c/0x38 000000016 # [ 48.728982] R13: ffffa6d802a2bf10 R14: ffffa6d80<4>[ 60.808161] full_proxy_write+0x53/0x80 2a2bf10 R15: ffff99ef070b2000 # [ 48.737249] FS: 00007fc2b58<4>[ 60.818962] vfs_write+0xe7/0x3b0 bd740(0000) GS:ffff99ef7ad00000(0000) knlGS:0000000000000000 # <4>[ 60.829190] ksys_write+0x68/0xf0 [ 48.746600] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033<4>[ 60.839366] do_syscall_64+0x30/0x40 # [ 48.759532] CR2: 00007fc2b589c000 CR3: 0000000108420003 C<4>[ 60.849887] entry_SYSCALL_64_after_hwframe+0x67/0xd1 R4: 00000000003706e0 # [ 48.767798] Call Trace: # [ 48.770<4>[ 60.862023] RIP: 0033:0x7f66acd56240 824] ? __warn+0x80/0x110 # [ 48.774761] ? refcount_warn_sat<4>[ 60.872526] 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 urate+0x51/0x110 # [ 48.780211] ? report_bug+0x9e/0xc0 # [ <4>[ 60.900014] RSP: 002b:00007ffc8afcca08 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 48.784399] ? handle_bug+0x41/0x90 # [ 48.788609] ? exc_in<4>[ 60.914992] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f66acd56240 valid_op+0x14/0x70 # [ 48.793185] ? asm_exc_invalid_op+0x12/<4>[ 60.929455] RDX: 0000000000000020 RSI: 00007f66acc3a000 RDI: 0000000000000001 0x20 # [ 48.798152] ? refcount_warn_saturate+0x51/0x110 # [<4>[ 60.943955] RBP: 0000000000000020 R08: 00000000ffffffff R09: 0000000000000000 48.803633] ? refcount_warn_saturate+0x51/0x110 # [ 48.809<4>[ 60.958418] R10: 00007f66acc774d0 R11: 0000000000000202 R12: 00007f66acc3a000 083] lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x98 # [ 48.814727] d<4>[ 60.972933] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 irect_entry.cold+0x2c/0x38 # [ 48.819401] full_proxy_write+0<4>[ 60.987382] irq event stamp: 0 x53/0x80 # [ 48.824001] vfs_write+0xe7/0x3b0 # [ 48.82799<4>[ 60.997301] hardirqs last enabled at (0): [<0000000000000000>] 0x0 9] ksys_write+0x68/0xf0 # [ 48.831993] do_syscall_64+0x30/0<4>[ 61.010807] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 x40 # [ 48.836278] entry_SYSCALL_64_after_hwframe+0x67/0xd1 <4>[ 61.026464] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 48.842215] RIP: 0033:0x7fc2b59b8240 # [ 48.846496] Cod<4>[ 61.042100] softirqs last disabled at (0): [<0000000000000000>] 0x0 e: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff f<4>[ 61.055612] ---[ end trace 904211b6156a7d52 ]--- f eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05<6>[ 61.067268] lkdtm: Saturation detected: still saturated <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89 # [ 48.867775] RSP: 002b:00007ffd7c7273b8 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 # [ 48.876526] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fc2b59b8240 # [ 48.884791] RDX: 0000000000000016 RSI: 00007fc2b589c000 RDI: 0000000000000001 # [ 48.893057] RBP: 0000000000000016 R08: 00000000ffffffff R09: 0000000000000000 # [ 48.901323] R10: 00007fc2b58d94d0 R11: 0000000000000202 R12: 00007fc2b589c000 # [ 48.909588] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 # [ 48.917859] irq event stamp: 0 # [ 48.921589] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 48.928884] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 48.938316] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 48.947747] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 48.955043] ---[ end trace 904211b6156a7d43 ]--- # [ 48.966710] lkdtm: Overflow detected: saturated # REFCOUNT_INC_OVERFLOW: saw 'call trace:': ok ok 42 selftests: lkdtm: REFCOUNT_INC_OVERFLOW.sh # selftests: lkdtm: REFCOUNT_ADD_OVERFLOW.sh # [ 49.106831] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW # [ 49.115805] lkdtm: attempting good refcount_add() without overflow # [ 49.123008] lkdtm: attempting bad refcount_add() overflow # [ 49.129344] ------------[ cut here ]------------ # [ 49.134800] refcount_t: saturated; leaking memory. # [ 49.140475] WARNING: CPU: 3 PID: 2072 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 49.150204] Modules linked in: fuse ip_tables cros_ec_lid_angle btusb btrtl btbcm btintel cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio iTCO_wdt cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs bluetooth cros_usbpd_logger cros_ec_chardev cros_usbpd_charger uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 watchdog cros_ec_sensorhub ecdh_generic intel_pmc_core_pltdrv snd_soc_max98927 snd_soc_da7219 intel_pmc_core processor_thermal_device gsmi iwlmvm cros_ec_dev x86_pkg_temp_thermal intel_pmc_bxt iwlwifi snd_soc_core idma64 videobuf2_common ecc intel_soc_dts_iosf snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify pinctrl_sunrisepoint int3403_thermal int340x_thermal_zone int3400_thermal chromeos_pstore acpi_thermal_rel cros_kbd_led_backlight coreboot_table # [ 49.237917] CPU: 3 PID: 2072 Comm: cat Tainted: G D W 5.10.218-cip49 #1 # [ 49.253072] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 49.266387] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 49.278729] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 8a cf f6 02 00 75 ee 48 c7 c7 40 aa 02 91 c6 05 7a cf f6 02 01 e8 15 6e c5 00 <0f> 0b c3 cc cc cc cc 80 3d 66 cf f6 02 00 75 cb 48 c7 c7 68 aa 02 # [ 49.306225] RSP: 0018:ffffa6d802abbe48 EFLAGS: 00010286 # [ 49.318568] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000 # [ 49.333047] RDX: ffff99ef7adac620 RSI: ffff99ef7ad9bf50 RDI: ffff99ef7ad9bf50 # [ 49.347527] RBP: ffffffff910d0323 R08: 0000000000000000 R09: 0000000000000000 # [ 49.355792] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 49.370267] R13: ffffa6d802abbf10 R14: ffffa6d802abbf10 R15: ffff99ef02a99000 # [ 49.384751] FS: 00007ff42b439740(0000) GS:ffff99ef7ad80000(0000) knlGS:0000000000000000 # [ 49.400301] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 49.413229] CR2: 00007ff42b418000 CR3: 000000010664a001 CR4: 00000000003706e0 # [ 49.421494] Call Trace: # [ 49.430731] ? __warn+0x80/0x110 # [ 49.440840] ? refcount_warn_saturate+0x51/0x110 # [ 49.452506] ? report_bug+0x9e/0xc0 # [ 49.462908] ? handle_bug+0x41/0x90 # [ 49.473309] ? exc_invalid_op+0x14/0x70 # [ 49.484100] ? asm_exc_invalid_op+0x12/0x20 # [ 49.495282] ? refcount_warn_saturate+0x51/0x110 # [ 49.500757] ? refcount_warn_saturate+0x51/0x110 # [ 49.512415] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa7 # [ 49.518086] direct_entry.cold+0x2c/0x38 # [ <6>[ 61.486101] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED <6>[ 61.499299] lkdtm: attempting bad refcount_sub_and_test() from saturated <4>[ 61.507091] ------------[ cut here ]------------ 49.528979] full_proxy_write+0x53/0x80 # [ 49.539772] vfs_<4>[ 61.512547] refcount_t: underflow; use-after-free. write+0xe7/0x3b0 # [ 49.543791] ksys_write+0x68/0xf0 # [ <4>[ 61.524413] WARNING: CPU: 3 PID: 2591 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 49.553996] do_syscall_64+0x30/0x40 # [ 49.558306] entry_SYS<4>[ 61.540339] Modules linked in: fuse ip_tables cros_ec_lid_angle btusb btrtl btbcm btintel cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio iTCO_wdt cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs bluetooth cros_usbpd_logger cros_ec_chardev cros_usbpd_charger uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 watchdog cros_ec_sensorhub ecdh_generic intel_pmc_core_pltdrv snd_soc_max98927 snd_soc_da7219 intel_pmc_core processor_thermal_device gsmi iwlmvm cros_ec_dev x86_pkg_temp_thermal intel_pmc_bxt iwlwifi snd_soc_core idma64 videobuf2_common ecc intel_soc_dts_iosf snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify pinctrl_sunrisepoint int3403_thermal int340x_thermal_zone int3400_thermal chromeos_pstore acpi_thermal_rel cros_kbd_led_backlight coreboot_table <4>[ 61.628069] CPU: 3 PID: 2591 Comm: cat Tainted: G D W 5.10.218-cip49 #1 CALL_64_after_hwframe+0x67/0xd1 # [ 49.564241] RIP: 0033:0x7f<4>[ 61.637029] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 61.650334] RIP: 0010:refcount_warn_saturate+0xba/0x110 <4>[ 61.656462] Code: 02 01 e8 cf 6d c5 00 0f 0b c3 cc cc cc cc 80 3d 1f cf f6 02 00 75 85 48 c7 c7 98 aa 02 91 c6 05 0f cf f6 02 01 e8 ac 6d c5 00 <0f> 0b c3 cc cc cc cc 80 3d fa ce f6 02 00 0f 85 5e ff ff ff 48 c7 f42b534240 # [ 49.568524] Code: 40 00 48 8b 15 c1 9b 0d 00 f7<4>[ 61.677743] RSP: 0018:ffffa6d8032ebe40 EFLAGS: 00010286 <4>[ 61.690086] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000 <4>[ 61.698351] RDX: ffff99ef7adac620 RSI: ffff99ef7ad9bf50 RDI: ffff99ef7ad9bf50 <4>[ 61.706614] RBP: ffffffff910d0040 R08: 0000000000000000 R09: 0000000000000000 <4>[ 61.714879] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 <4>[ 61.723142] R13: ffffa6d8032ebf10 R14: ffffa6d8032ebf10 R15: ffff99ef029a9000 <4>[ 61.731404] FS: 00007f3bee2b5740(0000) GS:ffff99ef7ad80000(0000) knlGS:0000000000000000 <4>[ 61.740751] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 61.747461] CR2: 00007f3bee294000 CR3: 0000000106380006 CR4: 00000000003706e0 <4>[ 61.755725] Call Trace: <4>[ 61.758756] ? __warn+0x80/0x110 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e <4>[ 61.762678] ? refcount_warn_saturate+0xba/0x110 <4>[ 61.774335] ? report_bug+0x9e/0xc0 <4>[ 61.778523] ? handle_bug+0x41/0x90 <4>[ 61.782709] ? exc_invalid_op+0x14/0x70 <4>[ 61.787283] ? asm_exc_invalid_op+0x12/0x20 <4>[ 61.792248] ? refcount_warn_saturate+0xba/0x110 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f<4>[ 61.797731] __refcount_sub_and_test.constprop.0+0x3c/0x50 1f 80 00 00 00 00 48 83 ec 28 48 89 # [ 49.589830] RSP: 002b<4>[ 61.810365] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x76 <4>[ 61.823197] direct_entry.cold+0x2c/0x38 <4>[ 61.827900] full_proxy_write+0x53/0x80 <4>[ 61.832476] vfs_write+0xe7/0x3b0 <4>[ 61.836492] ksys_write+0x68/0xf0 <4>[ 61.840485] do_syscall_64+0x30/0x40 <4>[ 61.844769] entry_SYSCALL_64_after_hwframe+0x67/0xd1 <4>[ 61.850715] RIP: 0033:0x7f3bee3b0240 <4>[ 61.855030] 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>[ 61.876306] RSP: 002b:00007fff12986778 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 <4>[ 61.885055] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f3bee3b0240 <4>[ 61.893319] RDX: 0000000000000020 RSI: 00007f3bee294000 RDI: 0000000000000001 <4>[ 61.901582] RBP: 0000000000000020 R08: 00000000ffffffff R09: 0000000000000000 <4>[ 61.909843] R10: 00007f3bee2d14d0 R11: 0000000000000202 R12: 00007f3bee294000 <4>[ 61.918098] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 <4>[ 61.926365] irq event stamp: 0 <4>[ 61.930095] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 61.937389] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 61.946818] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 61.956249] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 61.963542] ---[ end trace 904211b6156a7d53 ]--- <6>[ 61.968989] lkdtm: Saturation detected: still saturated :00007fff73adea38 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 # [ 49.598595] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007ff42b534240 # [ 49.613069] RDX: 0000000000000016 RSI: 00007ff42b418000 RDI: 0000000000000001 # [ 49.621335] RBP: 0000000000000016 R08: 00000000ffffffff R09: 0000000000000000 # [ 49.629600] R10: 00007ff42b4554d0 R11: 0000000000000202 R12: 00007ff42b418000 # [ 49.637866] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 # [ 49.646137] irq event stamp: 0 # [ 49.649867] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 49.657162] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 49.666594] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 49.676025] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 49.683318] ---[ end trace 904211b6156a7d44 ]--- # [ 49.688768] 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 # [ 49.826492] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW # [ 49.838812] lkdtm: attempting bad refcount_inc_not_zero() overflow # [ 49.846022] ------------[ cut here ]------------ # [ 49.851473] refcount_t: saturated; leaking memory. # [ 49.857155] WARNING: CPU: 3 PID: 2105 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 49.866884] Modules linked in: fuse ip_tables cros_ec_lid_angle btusb btrtl btbcm btintel cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio iTCO_wdt cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs bluetooth cros_usbpd_logger cros_ec_chardev cros_usbpd_charger uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 watchdog cros_ec_sensorhub ecdh_generic intel_pmc_core_pltdrv snd_soc_max98927 snd_soc_da7219 intel_pmc_core processor_thermal_device gsmi iwlmvm cros_ec_dev x86_pkg_temp_thermal intel_pmc_bxt iwlwifi snd_soc_core idma64 videobuf2_common ecc intel_soc_dts_iosf sn<6>[ 62.175134] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO d_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notif<6>[ 62.187285] lkdtm: attempting good copy_to_user of correct size y pinctrl_sunrisepoint int3403_thermal int340x_thermal_zone int3<6>[ 62.200406] lkdtm: attempting bad copy_to_user of too large size 400_thermal chromeos_pstore acpi_thermal_rel cros_kbd_led_backlight coreboot_table # [ 49.954608] CPU: 3 PID: 2105 Comm: cat Tainted: G D W 5.10.218-cip49 #1 # [ 49.963584] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 49.976895] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 49.983056] Code: 02 01 e8 f2 6d c5 00 0f 0b c3 cc cc cc cc 80 3d 45 cf f6 02 00 75 a8 48 c7 c7 40 aa 02 91 c6 05 35 cf f6 02 01 e8 cf 6d c5 00 <0f> 0b c3 cc cc cc cc 80 3d 1f cf f6 02 00 75 85 48 c7 c7 98 aa 02 # [ 50.004367] RSP: 0018:ffffa6d802b2be38 EFLAGS: 00010282 # [ 50.010498] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 # [ 50.018769] RDX: ffff99ef7adac620 RSI: ffff99ef7ad9bf50 RDI: ffff99ef7ad9bf50 # [ 50.027036] RBP: ffffffff910cff60 R08: 0000000000000000 R09: 0000000000000000 # [ 50.035302] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 50.043569] R13: ffffa6d802b2bf10 R14: ffffa6d802b2bf10 R15: ffff99ef061e6000 # [ 50.051837] FS: 00007ff04f2c1740(0000) GS:ffff99ef7ad80000(0000) knlGS:0000000000000000 # [ 50.061175] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 50.067886] CR2: 00007ff04f2a0000 CR3: 000000010649a005 CR4: 00000000003706e0 # [ 50.076153] Call Trace: # [ 50.079179] ? __warn+0x80/0x110 # [ 50.083110] ? refcount_warn_saturate+0x97/0x110 # [ 50.088592] ? report_bug+0x9e/0xc0 # [ 50.092813] ? handle_bug+0x41/0x90 # [ 50.097029] ? exc_invalid_op+0x14/0x70 # [ 50.101608] ? asm_exc_invalid_op+0x12/0x20 # [ 50.112791] ? refcount_warn_saturate+0x97/0x110 # [ 50.124454] ? refcount_warn_saturate+0x97/0<6>[ 62.369871] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM x110 # [ 50.129934] __refcount_add_not_zero.constprop.0+0x2a<6>[ 62.382430] lkdtm: attempting good copy_from_user of correct size /0x35 # [ 50.136355] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x<6>[ 62.395812] lkdtm: attempting bad copy_from_user of too large size 3e/0x76 # [ 50.142872] direct_entry.cold+0x2c/0x38 # [ 50.147547] full_proxy_write+0x53/0x80 # [ 50.152152] vfs_write+0xe7/0x3b0 # [ 50.162359] ksys_write+0x68/0xf0 # [ 50.166404] do_syscall_64+0x30/0x40 # [ 50.170699] entry_SYSCALL_64_after_hwframe+0x67/0xd1 # [ 50.182844] RIP: 0033:0x7ff04f3bc240 # [ 50.187128] 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 # [ 50.208410] RSP: 002b:00007ffebfe23958 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 # [ 50.217164] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007ff04f3bc240 # [ 50.225430] RDX: 000000000000001f RSI: 00007ff04f2a0000 RDI: 0000000000000001 # [ 50.233701] RBP: 000000000000001f R08: 00000000ffffffff R09: 0000000000000000 # [ 50.241965] R10: 00007ff04f2dd4d0 R11: 0000000000000202 R12: 00007ff04f2a0000 # [ 50.250229] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 # [ 50.258498] irq event stamp: 0 # [ 50.262228] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 50.269523] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 50.278953] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 50.288384] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 50.295700] ---[ end trace 904211b6156a7d45 ]--- # [ 50.301151] lkdtm: Overflow detected: satura<6>[ 62.556378] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO ted # REFCOUNT_INC_NOT_ZERO_OVERFLOW: saw 'call trace:': ok ok<6>[ 62.565839] lkdtm: attempting good copy_to_user inside whitelist 44 selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh # selft<6>[ 62.579067] lkdtm: attempting bad copy_to_user outside whitelist ests: lkdtm: REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh # [ 50.439312] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW # [ 50.451217] lkdtm: attempting bad refcount_add_not_zero() overflow # [ 50.464603] ------------[ cut here ]------------ # [ 50.476288] refcount_t: saturated; leaking memory. # [ 50.488211] WARNING: CPU: 0 PID: 2138 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 50.504133] Modules linked in: fuse ip_tables cros_ec_lid_angle btusb btrtl btbcm btintel cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio iTCO_wdt cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs bluetooth cros_usbpd_logger cros_ec_chardev cros_usbpd_charger uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 watchdog cros_ec_sensorhub ecdh_generic intel_pmc_core_pltdrv snd_soc_max98927 snd_soc_da7219 intel_pmc_core processor_thermal_device gsmi iwlmvm cros_ec_dev x86_pkg_temp_thermal intel_pmc_bxt iwlwifi snd_soc_core idma64 videobuf2_common ecc intel_soc_dts_iosf snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify pinctrl_sunrisepoint int3403_thermal int340x_thermal_zone int3400_thermal chromeos_pstore acpi_thermal_rel cros_kbd_led_backlight coreboot_table # [ 50.591900] CPU: 0 PID: 2138 Comm: cat Tainted: G D W 5.10.218-cip49 #1 # [ 50.607006] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 50.620338] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 50.632698] Code: 02 01 e8 f2 6d c5 00 0f 0b c3 cc cc cc<6>[ 62.736966] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM cc 80 3d 45 cf f6 02 00 75 a8 48 c7 c7 40 aa 02 91 c6 05 35 cf <6>[ 62.749169] lkdtm: attempting good copy_from_user inside whitelist f6 02 01 e8 cf 6d c5 00 <0f> 0b c3 cc cc cc cc 80 3d 1f cf f6 02<6>[ 62.762608] lkdtm: attempting bad copy_from_user outside whitelist 00 75 85 48 c7 c7 98 aa 02 # [ 50.660191] RSP: 0018:ffffa6d802bdbe38 EFLAGS: 00010282 # [ 50.672568] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 # [ 50.687045] RDX: ffff99ef7ac2c620 RSI: ffff99ef7ac1bf50 RDI: ffff99ef7ac1bf50 # [ 50.701555] RBP: ffffffff910cff80 R08: 0000000000000000 R09: 0000000000000000 # [ 50.716016] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 50.730509] R13: ffffa6d802bdbf10 R14: ffffa6d802bdbf10 R15: ffff99ef04014000 # [ 50.745007] FS: 00007f87fa8e9740(0000) GS:ffff99ef7ac00000(0000) knlGS:0000000000000000 # [ 50.760591] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 50.773515] CR2: 00007f87fa8c8000 CR3: 0000000102c0a005 CR4: 00000000003706f0 # [ 50.788022] Call Trace: # [ 50.797259] ? __warn+0x80/0x110 # [ 50.807395] ? refcount_warn_saturate+0x97/0x110 # [ 50.819036] ? report_bug+0x9e/0xc0 # [ 50.829451] ? handle_bug+0x41/0x90 # [ 50.839865] ? exc_invalid_op+0x14/0x70 # [ 50.850686] ? asm_exc_invalid_op+0x12/0x20 # [ 50.861865] ? refcount_warn_saturate+0x97/0x110 # [ 50.873550] ? refcount_warn_saturate+0x97/0x110 # [ 50.885215] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 50.897884] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x76 # [ 50.910613] direct_entry.cold+0x2c/0x38 # [ 50.921538] full_proxy_write+0x53/0x80 # [ 50.932<6>[ 62.911352] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO 320] vfs_write+0xe7/0x3b0 # [ 50.942553] ksys_write+0x68/0x<6>[ 62.919923] lkdtm: good_stack: ffffa6d8036a3e20-ffffa6d8036a3e40 f0 # [ 50.952772] do_syscall_64+0x30/0x40 # [ 50.963273] <6>[ 62.933163] lkdtm: bad_stack : ffffa6d8036a3da8-ffffa6d8036a3dc8 entry_SYSCALL_64_after_hwframe+0x67/0xd1 # [ 50.975416] RIP:<6>[ 62.946383] lkdtm: attempting good copy_to_user of local stack 0033:0x7f87fa9e4240 # [ 50.985919] Code: 40 00 48 8b 15 c1 9<6>[ 62.959469] lkdtm: attempting bad copy_to_user of distant stack b 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 # [ 51.013414] RSP: 002b:00007fffeb1d48a8 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 # [ 51.028420] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f87fa9e4240 # [ 51.042883] RDX: 000000000000001f RSI: 00007f87fa8c8000 RDI: 0000000000000001 # [ 51.057402] RBP: 000000000000001f R08: 00000000ffffffff R09: 0000000000000000 # [ 51.071900] R10: 00007f87fa9054d0 R11: 0000000000000202 R12: 00007f87fa8c8000 # [ 51.086414] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 # [ 51.100893] irq event stamp: 0 # [ 51.110831] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 51.124342] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 51.140001] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 51.155642] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 51.169182] ---[ end trace 904211b6156a7d46 ]--- # [ 51.180824] 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 # [ 51.343368] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO # [ 51.354427] lkdtm: attempting good refcount_dec() # [ 51.366183] lkd<6>[ 63.109818] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM <6>[ 63.122859] lkdtm: good_stack: ffffa6d80377be20-ffffa6d80377be40 <6>[ 63.129901] lkdtm: bad_stack : ffffa6d80377bda8-ffffa6d80377bdc8 <6>[ 63.136964] lkdtm: attempting good copy_from_user of local stack tm: attempting bad refcount_dec() to zero # [ 51.378615] ----<6>[ 63.143995] lkdtm: attempting bad copy_from_user of distant stack --------[ cut here ]------------ # [ 51.390300] refcount_t: decrement hit 0; leaking memory. # [ 51.402742] WARNING: CPU: 0 PID: 2171 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 51.418676] Modules linked in: fuse ip_tables cros_ec_lid_angle btusb btrtl btbcm btintel cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio iTCO_wdt cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs bluetooth cros_usbpd_logger cros_ec_chardev cros_usbpd_charger uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 watchdog cros_ec_sensorhub ecdh_generic intel_pmc_core_pltdrv snd_soc_max98927 snd_soc_da7219 intel_pmc_core processor_thermal_device gsmi iwlmvm cros_ec_dev x86_pkg_temp_thermal intel_pmc_bxt iwlwifi snd_soc_core idma64 videobuf2_common ecc intel_soc_dts_iosf snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify pinctrl_sunrisepoint int3403_thermal int340x_thermal_zone int3400_thermal chromeos_pstore acpi_thermal_rel cros_kbd_led_backlight coreboot_table # [ 51.506408] CPU: 0 PID: 2171 Comm: cat Tainted: G D W 5.10.218-cip49 #1 # [ 51.521556] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 51.534942] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 51.547247] Code: f0 aa 02 91 c6 05 e6 ce f6 02 01 e8 85 6d c5 00 0f 0b c3 cc cc cc cc 48 c7 c7 c0 aa 02 91 c6 05 cd ce f6 02 01 e8 6b 6d c5 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 51.574773] RSP: 0018:ffffa6d802c73e48 EFLAGS: 00010286 # [ 51.587145] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000 # [ 51.601608] RDX: ffff99ef7ac2c620 RSI: ffff99ef7ac1bf50 RDI: ffff99ef7ac1bf50 # [ 51.616096] RBP:<6>[ 63.320549] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND <6>[ 63.332337] lkdtm: good_stack: ffffa6d8037fbe20-ffffa6d8037fbe40 <6>[ 63.339350] lkdtm: bad_stack : ffffa6d8037fbff8-ffffa6d8037fc018 <6>[ 63.346363] lkdtm: attempting good copy_to_user of local stack <6>[ 63.353183] lkdtm: attempting bad copy_to_user of distant stack ffffffff910d0339 R08: 0000000000000000 R09: 0000000000000000 #<4>[ 63.360117] lkdtm: copy_to_user failed, but lacked Oops [ 51.630579] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 51.645094] R13: ffffa6d802c73f10 R14: ffffa6d802c73f10 R15: ffff99ef02c0e000 # [ 51.659566] FS: 00007f89306ac740(0000) GS:ffff99ef7ac00000(0000) knlGS:0000000000000000 # [ 51.675145] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 51.688067] CR2: 00007f893068b000 CR3: 00000001062b0003 CR4: 00000000003706f0 # [ 51.702585] Call Trace: # [ 51.711817] ? __warn+0x80/0x110 # [ 51.721984] ? refcount_warn_saturate+0xfb/0x110 # [ 51.733617] ? report_bug+0x9e/0xc0 # [ 51.744082] ? handle_bug+0x41/0x90 # [ 51.754448] ? exc_invalid_op+0x14/0x70 # [ 51.765293] ? asm_exc_invalid_op+0x12/0x20 # [ 51.776432] ? refcount_warn_saturate+0xfb/0x110 # [ 51.788139] ? refcount_warn_saturate+0xfb/0x110 # [ 51.799798] lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xbd # [ 51.811319] direct_entry.cold+0x2c/0x38 # [ 51.822177] full_proxy_write+0x53/0x80 # [ 51.833052] vfs_write+0xe7/0x3b0 # [ 51.843204] ksys_write+0x68/0xf0 # [ 51.853479] do_syscall_64+0x30/0x40 # [ 51.863971] entry_SYSCALL_64_after_hwframe+0x67/0xd1 # [ 51.876153] RIP: 0033:0x7f89307a7240 # [ 51.886619] 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 0<6>[ 63.502790] lkdtm: Performing direct entry USERCOPY_KERNEL <6>[ 63.509433] lkdtm: attempting good copy_to_user from kernel rodata: ffffffff90c40b10 <6>[ 63.518389] lkdtm: attempting bad copy_to_user from kernel text: ffffffff8e4e41c0 <3>[ 63.527051] lkdtm: FAIL: survived bad copy_to_user() f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89 # [ 51.914212] RSP: 002b:00007ffe4289cb58 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 # [ 51.929109] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f89307a7240 # [ 51.943604] RDX: 0000000000000012 RSI: 00007f893068b000 RDI: 0000000000000001 # [ 51.958077] RBP: 0000000000000012 R08: 00000000ffffffff R09: 0000000000000000 # [ 51.972592] R10: 00007f89306c84d0 R11: 0000000000000202 R12: 00007f893068b000 # [ 51.987053] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 # [ 52.001586] irq event stamp: 0 # [ 52.011479] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 52.025028] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 52.040671] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 52.056318] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 52.069823] ---[ end trace 904211b6156a7d47 ]--- # [ 52.081539] 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 # [ 52.245567] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE # [ 52.255063] lkdtm: attempting bad refcount_dec() below zero # [ 52.267789] ------------[ cut here ]------------ # [ 52.279451] refcount_t: decrement hit 0; leaking memory. # [ 52.291925] WARNING: CPU: 1 PID: 2207 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 52.307834] Modules linked in: fuse ip_tables cros_ec_lid_angle btusb btrtl btbcm btintel cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio iTCO_wdt cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs bluetooth cros_usbpd_logger cros_ec_chardev cros_usbpd_charg<6>[ 63.712563] lkdtm: Performing direct entry STACKLEAK_ERASING <6>[ 63.720042] lkdtm: checking unused part of the thread stack (15928 bytes)... <3>[ 63.728226] lkdtm: FAIL: the erased part is not found (checked 15928 bytes) er uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 wa<3>[ 63.736311] lkdtm: FAIL: the thread stack is NOT properly erased <4>[ 63.749528] CPU: 3 PID: 2967 Comm: cat Tainted: G D W 5.10.218-cip49 #1 <4>[ 63.758499] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 63.765596] Call Trace: <4>[ 63.768619] dump_stack+0x77/0x9b <4>[ 63.772640] lkdtm_STACKLEAK_ERASING+0x116/0x144 <4>[ 63.778086] direct_entry.cold+0x2c/0x38 <4>[ 63.782751] full_proxy_write+0x53/0x80 <4>[ 63.787323] vfs_write+0xe7/0x3b0 <4>[ 63.791314] ksys_write+0x68/0xf0 <4>[ 63.795304] do_syscall_64+0x30/0x40 <4>[ 63.799585] entry_SYSCALL_64_after_hwframe+0x67/0xd1 <4>[ 63.805508] RIP: 0033:0x7f0cba03f240 <4>[ 63.809779] 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>[ 63.831054] RSP: 002b:00007ffeddaec858 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 <4>[ 63.839802] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f0cba03f240 <4>[ 63.848063] RDX: 0000000000000012 RSI: 00007f0cb9f23000 RDI: 0000000000000001 <4>[ 63.856324] RBP: 0000000000000012 R08: 00000000ffffffff R09: 0000000000000000 <4>[ 63.864586] R10: 00007f0cb9f604d0 R11: 0000000000000202 R12: 00007f0cb9f23000 <4>[ 63.872848] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 tchdog cros_ec_sensorhub ecdh_generic intel_pmc_core_pltdrv snd_soc_max98927 snd_soc_da7219 intel_pmc_core processor_thermal_device gsmi iwlmvm cros_ec_dev x86_pkg_temp_thermal intel_pmc_bxt iwlwifi snd_soc_core idma64 videobuf2_common ecc intel_soc_dts_iosf snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify pinctrl_sunrisepoint int3403_thermal int340x_thermal_zone int3400_thermal chromeos_pstore acpi_thermal_rel cros_kbd_led_backlight coreboot_table # [ 52.395541] CPU: 1 PID: 2207 Comm: cat Tainted: G D W 5.10.218-cip49 #1 # [ 52.410721] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 52.424065] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 52.436426] Code: f0 aa 02 91 c6 05 e6 ce f6 02 01 e8 85 6d c5 00 0f 0b c3 cc cc cc cc 48 c7 c7 c0 aa 02 91 c6 05 cd ce f6 02 01 e8 6b 6d c5 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 52.463923] RSP: 0018:ffffa6d802cb3e48 EFLAGS: 00010286 # [ 52.476263] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000 # [ 52.490777] RDX: ffff99ef7acac620 RSI: ffff99ef7ac9bf50 RDI: ffff99ef7ac9bf50 # [ 52.505235] RBP: ffffffff910d034b R08: 0000000000000000 R09: 0000000000000000 # [ 52.519714] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 52.534193] R13: ffffa6d802cb3f10 R14: ffffa6d802cb3f10 R15: ffff99ef075bf000 # [ 52.548672] FS: 00007fbd9dcbf740(0000) GS:ffff99ef7ac80000(0000) knlGS:0000000000000000 # [ 52.564238] CS: 0010 DS: 0000 ES: 000<6>[ 64.025392] lkdtm: Performing direct entry CFI_FORWARD_PROTO <6>[ 64.036934] lkdtm: Calling matched prototype ... 0 CR0: 0000000080050033 # [ 52.577165] CR2: 00007fbd9dc9e000 <6>[ 64.042403] lkdtm: Calling mismatched prototype ... CR3: 0000000106298005 CR4: 00000000003706e0 # [ 52.591645] Ca<6>[ 64.054361] lkdtm: Fail: survived mismatched prototype function call! ll Trace: # [ 52.600903] ? __warn+0x80/0x110 # [ 52.610992] ? refcount_warn_saturate+0xfb/0x110 # [ 52.622657] ? report_bug+0x9e/0xc0 # [ 52.633058] ? handle_bug+0x41/0x90 # [ 52.643457] ? exc_invalid_op+0x14/0x70 # [ 52.654247] ? asm_exc_invalid_op+0x12/0x20 # [ 52.665428] ? refcount_warn_saturate+0xfb/0x110 # [ 52.677088] ? refcount_warn_saturate+0xfb/0x110 # [ 52.688753] lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x61 # [ 52.700614] direct_entry.cold+0x2c/0x38 # [ 52.711504] full_proxy_write+0x53/0x80 # [ 52.722292] vfs_write+0xe7/0x3b0 # [ 52.732497] ksys_write+0x68/0xf0 # [ 52.742706] do_syscall_64+0x30/0x40 # [ 52.753202] entry_SYSCALL_64_after_hwframe+0x67/0xd1 # [ 52.765350] RIP: 0033:0x7fbd9ddba240 # [ 52.775847] 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 # [ 52.803342] RSP: 002b:00007ffc1eea40c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 # [ 52.818305] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fbd9ddba240 # [ 52.832784] RDX: 0000000000000016 RSI: 00007fbd9dc9e000 RDI: 0000000000000001 # [ 52.847264] RBP: 0000000000000016 R08: 00000000ffffffff R09: 0000000000000000 # [ 52.861743] R10: 00007fbd9dcdb4d0 R11: 0000000000000202 R12: 00007fbd9dc9e000 # [ 52.876224] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 # [ 52.890709] irq event stamp: 0 # [ 52.900618] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 52.914128] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 52.929774] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 52.945420] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 52.958930] ---[ end trace 904211b6156a7d48 ]--- # [ 52.970594] 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 # [ 53.135367] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE # [ 53.145617] lkdtm: attempting bad refcount_dec_and_test() below zero # [ 53.153040] ------------[ cut here ]------------ # [ 53.164694] refcount_t: underflow; use-after-free. # [ 53.170349] WARNING: CPU: 3 PID: 2243 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 53.180079] Modules linked in: fuse ip_tables cros_ec_lid_angle btusb btrtl btbcm btintel cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio iTCO_wdt cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs bluetooth cros_usbpd_logger cros_ec_chardev cros_usbpd_charger uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 watchdog cros_ec_sensorhub ecdh_generic intel_pmc_core_pltdrv snd_soc_max98927 snd_soc_da7219 intel_pmc_core processor_thermal_device gsmi iwlmvm cros_ec_dev x86_pkg_temp_thermal intel_pmc_bxt iwlwifi snd_soc_core idma64 videobuf2_common ecc intel_soc_dts_iosf snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify pinctrl_sunrisepoint int3403_thermal int340x_thermal_zone int3400_thermal chromeos_pstore acpi_thermal_rel cros_kbd_led_backlight coreboot_table # [ 53.267824] CPU: 3 PID: 2243 Comm: cat Tainted: G D W 5.10.218-cip49 #1 # [ 53.276792] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 53.283894] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 53.290046] Code: 02 01 e8 cf 6d c5 00 0f 0b c3 cc cc cc cc 80 3d 1f cf f6 02 00 75 85 48 c7 c7 98 aa 02 91 c6 05 0f cf f6 02 01 e8 ac 6d c5 00 <0f> 0b c3 cc cc cc cc 80 3d fa ce f6 02 00 0f 85 5e ff ff ff 48 c7 # [ 53.311326] RSP: 0018:ffffa6d802d7be40 EFLAGS: 00010286 # [ 53.317456] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000 # [ 53.325723] RDX: ffff99ef7adac620 RSI: ffff99ef7ad9bf50 RDI: ffff99ef7ad9bf50 # [ 53.333989] RBP: ffffffff910cffa0 R08: 0000000000000000 R09: 0000000000000000 # [ 53.342253] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 53.350518] R13: ffffa6d802d7bf10 R14: ffffa6d802d7bf10 R15: ffff99ef08717000 # [ 53.358783] FS: 00007f2c01452740(0000) GS:ffff99ef7ad80000(0000) knlGS:0000000000000000 # [ 53.368117] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 53.374827] CR2: 00007f2c01431000 CR3: 0000000106530004 CR4: 00000000003706e0 # [ 53.383091] Call Trace: # [ 53.386113] ? __warn+0x80/0x110 # [ 53.390030] ? refcount_warn_saturate+0xba/0x110 # [ 53.395479] ? report_bug+0x9e/0xc0 # [ 53.399705] ? handle_bug+0x41/0x90 # [ 53.410104] ? exc_invalid_op+0x14/0x70 # [ 53.414683] ? asm_exc_invalid_op+0x12/0x20 # [ 53.425866] ? refcount_warn_saturate+0xba/0x110 # [ 53.437530] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 53.443980] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x78 # [ 53.450498] direct_entry.cold+0x2c/0x38 # [ 53.455171] full_proxy_write+0x53/0x80 # [ 53.459756] vfs_write+0xe7/0x3b0 # [ 53.463775] ksys_write+0x68/0xf0 # [ 53.467790] do_syscall_64+0x30/0x40 # [ 53.472074] entry_SYSCALL_64_after_hwframe+0x67/0xd1 # [ 53.478032] RIP: 0033:0x7f2c0154d240 # [ 53.482327] 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 # [ 53.509813] RSP: 002b:00007ffe8e171738 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 # [ 53.518562] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f2c0154d240 # [ 53.526825] RDX: 000000000000001f RSI: 00007f2c01431000 RDI: 0000000000000001 # [ 53.535091] RBP: 000000000000001f R08: 00000000ffffffff R09: 0000000000000000 # [ 53.543355] R10: 00007f2c0146e4d0 R11: 0000000000000202 R12: 00007f2c01431000 # [ 53.551619] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 # [ 53.559885] irq event stamp: 0 # [ 53.563616] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 53.570909] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 53.580337] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 53.589765] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 53.597058] ---[ end trace 904211b6156a7d49 ]--- # [ 53.602504] 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 # [ 53.745339] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE # [ 53.758963] lkdtm: attempting bad refcount_sub_and_test() below zero # [ 53.772523] ------------[ cut here ]------------ # [ 53.784203] refcount_t: underflow; use-after-free. # [ 53.796120] WARNING: CPU: 0 PID: 2279 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 53.812013] Modules linked in: fuse ip_tables cros_ec_lid_angle btusb btrtl btbcm btintel cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio iTCO_wdt cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs bluetooth cros_usbpd_logger cros_ec_chardev cros_usbpd_charger uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 watchdog cros_ec_sensorhub ecdh_generic intel_pmc_core_pltdrv snd_soc_max98927 snd_soc_da7219 intel_pmc_core processor_thermal_device gsmi iwlmvm cros_ec_dev x86_pkg_temp_thermal intel_pmc_bxt iwlwifi snd_soc_core idma64 videobuf2_common ecc intel_soc_dts_iosf snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify pinctrl_sunrisepoint int3403_thermal int340x_thermal_zone int3400_thermal chromeos_pstore acpi_thermal_rel cros_kbd_led_backlight coreboot_table # [ 53.899766] CPU: 0 PID: 2279 Comm: cat Tainted: G D W 5.10.218-cip49 #1 # [ 53.914951] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 53.928264] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 53.940556] Code: 02 01 e8 cf 6d c5 00 0f 0b c3 cc cc cc cc 80 3d 1f cf f6 02 00 75 85 48 c7 c7 98 aa 02 91 c6 05 0f cf f6 02 01 e8 ac 6d c5 00 <0f> 0b c3 cc cc cc cc 80 3d fa ce f6 02 00 0f 85 5e ff ff ff 48 c7 # [ 53.968051] RSP: 0018:ffffa6d802de3e40 EFLAGS: 00010286 # [ 53.980394] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000 # [ 53.994867] RDX: ffff99ef7ac2c620 RSI: ffff99ef7ac1bf50 RDI: ffff99ef7ac1bf50 # [ 54.009354] RBP: ffffffff910cffc0 R08: 0000000000000000 R09: 0000000000000000 # [ 54.023837] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 54.038323] R13: ffffa6d802de3f10 R14: ffffa6d802de3f10 R15: ffff99ef06218000 # [ 54.052804] FS: 00007f797fbc4740(0000) GS:ffff99ef7ac00000(0000) knlGS:0000000000000000 # [ 54.068344] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 54.081286] CR2: 00007f797fba3000 CR3: 00000001086cc001 CR4: 00000000003706f0 # [ 54.095792] Call Trace: # [ 54.105048] ? __warn+0x80/0x110 # [ 54.115143] ? refcount_warn_saturate+0xba/0x110 # [ 54.126809] ? report_bug+0x9e/0xc0 # [ 54.137225] ? handle_bug+0x41/0x90 # [ 54.147649] ? exc_invalid_op+0x14/0x70 # [ 54.158426] ? asm_exc_invalid_op+0x12/0x20 # [ 54.169627] ? refcount_warn_saturate+0xba/0x110 # [ 54.181319] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 54.193888] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x7b # [ 54.206614] direct_entry.cold+0x2c/0x38 # [ 54.217503] full_proxy_write+0x53/0x80 # [ 54.228330] vfs_write+0xe7/0x3b0 # [ 54.238501] ksys_write+0x68/0xf0 # [ 54.248760] do_syscall_64+0x30/0x40 # [ 54.259220] entry_SYSCALL_64_after_hwframe+0x67/0xd1 # [ 54.271397] RIP: 0033:0x7f797fcbf240 # [ 54.281875] 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 # [ 54.309402] RSP: 002b:00007ffd435fc078 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 # [ 54.324346] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f797fcbf240 # [ 54.338836] RDX: 000000000000001f RSI: 00007f797fba3000 RDI: 0000000000000001 # [ 54.353304] RBP: 000000000000001f R08: 00000000ffffffff R09: 0000000000000000 # [ 54.367791] R10: 00007f797fbe04d0 R11: 0000000000000202 R12: 00007f797fba3000 # [ 54.382263] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 # [ 54.396796] irq event stamp: 0 # [ 54.406668] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 54.420182] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 54.435826] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 54.451498] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 54.464981] ---[ end trace 904211b6156a7d4a ]--- # [ 54.476659] 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 # [ 54.656533] lkdtm: Performing direct entry REFCOUNT_INC_ZERO # [ 54.668949] lkdtm: attempting safe refcount_inc_not_zero() from zero # [ 54.682573] lkdtm: Good: zero detected # [ 54.693243] lkdtm: Correctly stayed at zero # [ 54.698207] lkdtm: attempting bad refcount_inc() from zero # [ 54.710841] ------------[ cut here ]------------ # [ 54.716290] refcount_t: addition on 0; use-after-free. # [ 54.728562] WARNING: CPU: 1 PID: 2312 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 # [ 54.744468] Modules linked in: fuse ip_tables cros_ec_lid_angle btusb btrtl btbcm btintel cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio iTCO_wdt cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs bluetooth cros_usbpd_logger cros_ec_chardev cros_usbpd_charger uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 watchdog cros_ec_sensorhub ecdh_generic intel_pmc_core_pltdrv snd_soc_max98927 snd_soc_da7219 intel_pmc_core processor_thermal_device gsmi iwlmvm cros_ec_dev x86_pkg_temp_thermal intel_pmc_bxt iwlwifi snd_soc_core idma64 videobuf2_common ecc intel_soc_dts_iosf snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify pinctrl_sunrisepoint int3403_thermal int340x_thermal_zone int3400_thermal chromeos_pstore acpi_thermal_rel cros_kbd_led_backlight coreboot_table # [ 54.832183] CPU: 1 PID: 2312 Comm: cat Tainted: G D W 5.10.218-cip49 #1 # [ 54.847337] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 54.854438] RIP: 0010:refcount_warn_saturate+0x74/0x110 # [ 54.866800] Code: 02 01 e8 15 6e c5 00 0f 0b c3 cc cc cc cc 80 3d 66 cf f6 02 00 75 cb 48 c7 c7 68 aa 02 91 c6 05 56 cf f6 02 01 e8 f2 6d c5 00 <0f> 0b c3 cc cc cc cc 80 3d 45 cf f6 02 00 75 a8 48 c7 c7 40 aa 02 # [ 54.894271] RSP: 0018:ffffa6d802ea3e48 EFLAGS: 00010286 # [ 54.906612] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000 # [ 54.914878] RDX: ffff99ef7acac620 RSI: ffff99ef7ac9bf50 RDI: ffff99ef7ac9bf50 # [ 54.929351] RBP: ffffffff910d0361 R08: 0000000000000000 R09: 0000000000000000 # [ 54.937616] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 54.952090] R13: ffffa6d802ea3f10 R14: ffffa6d802ea3f10 R15: ffff99ef07129000 # [ 54.960354] FS: 00007fadc4379740(0000) GS:ffff99ef7ac80000(0000) knlGS:0000000000000000 # [ 54.975896] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 54.982607] CR2: 00007fadc4358000 CR3: 00000001072a0005 CR4: 00000000003706e0 # [ 54.997078] Call Trace: # [ 55.000103] ? __warn+0x80/0x110 # [ 55.010204] ? refcount_warn_saturate+0x74/0x110 # [ 55.021867] ? report_bug+0x9e/0xc0 # [ 55.032268] ? handle_bug+0x41/0x90 # [ 55.042667] ? exc_invalid_op+0x14/0x70 # [ 55.053481] ? asm_exc_invalid_op+0x12/0x20 # [ 55.064660] ? refcount_warn_saturate+0x74/0x110 # [ 55.076319] ? refcount_warn_saturate+0x74/0x110 # [ 55.081770] lkdtm_REFCOUNT_INC_ZERO+0x99/0xc1 # [ 55.093233] direct_entry.cold+0x2c/0x38 # [ 55.104126] full_proxy_write+0x53/0x80 # [ 55.114913] vfs_write+0xe7/0x3b0 # [ 55.125116] ksys_write+0x68/0xf0 # [ 55.135323] do_syscall_64+0x30/0x40 # [ 55.145820] entry_SYSCALL_64_after_hwframe+0x67/0xd1 # [ 55.157969] RIP: 0033:0x7fadc4474240 # [ 55.168467] 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 # [ 55.189749] RSP: 002b:00007ffc2a2474f8 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 # [ 55.204707] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fadc4474240 # [ 55.219187] RDX: 0000000000000012 RSI: 00007fadc4358000 RDI: 0000000000000001 # [ 55.227452] RBP: 0000000000000012 R08: 00000000ffffffff R09: 0000000000000000 # [ 55.241926] R10: 00007fadc43954d0 R11: 0000000000000202 R12: 00007fadc4358000 # [ 55.250192] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 # [ 55.264689] irq event stamp: 0 # [ 55.274608] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 55.281901] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 55.297539] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 55.306968] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 55.320469] ---[ end trace 904211b6156a7d4b ]--- # [ 55.325917] 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 # [ 55.469040] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO # [ 55.480449] lkdtm: attempting safe refcount_add_not_zero() from zero # [ 55.494081] lkdtm: Good: zero detected # [ 55.504790] lkdtm: Correctly stayed at zero # [ 55.516015] lkdtm: attempting bad refcount_add() from zero # [ 55.528601] ------------[ cut here ]------------ # [ 55.540324] refcount_t: addition on 0; use-after-free. # [ 55.552591] WARNING: CPU: 0 PID: 2345 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 # [ 55.568503] Modules linked in: fuse ip_tables cros_ec_lid_angle btusb btrtl btbcm btintel cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio iTCO_wdt cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs bluetooth cros_usbpd_logger cros_ec_chardev cros_usbpd_charger uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 watchdog cros_ec_sensorhub ecdh_generic intel_pmc_core_pltdrv snd_soc_max98927 snd_soc_da7219 intel_pmc_core processor_thermal_device gsmi iwlmvm cros_ec_dev x86_pkg_temp_thermal intel_pmc_bxt iwlwifi snd_soc_core idma64 videobuf2_common ecc intel_soc_dts_iosf snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify pinctrl_sunrisepoint int3403_thermal int340x_thermal_zone int3400_thermal chromeos_pstore acpi_thermal_rel cros_kbd_led_backlight coreboot_table # [ 55.656172] CPU: 0 PID: 2345 Comm: cat Tainted: G D W 5.10.218-cip49 #1 # [ 55.671369] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 55.684652] RIP: 0010:refcount_warn_saturate+0x74/0x110 # [ 55.696994] Code: 02 01 e8 15 6e c5 00 0f 0b c3 cc cc cc cc 80 3d 66 cf f6 02 00 75 cb 48 c7 c7 68 aa 02 91 c6 05 56 cf f6 02 01 e8 f2 6d c5 00 <0f> 0b c3 cc cc cc cc 80 3d 45 cf f6 02 00 75 a8 48 c7 c7 40 aa 02 # [ 55.724487] RSP: 0018:ffffa6d802f43e48 EFLAGS: 00010286 # [ 55.736828] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000 # [ 55.751307] RDX: ffff99ef7ac2c620 RSI: ffff99ef7ac1bf50 RDI: ffff99ef7ac1bf50 # [ 55.765798] RBP: ffffffff910d0373 R08: 0000000000000000 R09: 0000000000000000 # [ 55.780275] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 55.794769] R13: ffffa6d802f43f10 R14: ffffa6d802f43f10 R15: ffff99ef04676000 # [ 55.809256] FS: 00007ff70bde4740(0000) GS:ffff99ef7ac00000(0000) knlGS:0000000000000000 # [ 55.824814] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 55.837749] CR2: 00007ff70bdc3000 CR3: 00000001062d8002 CR4: 00000000003706f0 # [ 55.852224] Call Trace: # [ 55.861460] ? __warn+0x80/0x110 # [ 55.871590] ? refcount_warn_saturate+0x74/0x110 # [ 55.883228] ? report_bug+0x9e/0xc0 # [ 55.893655] ? handle_bug+0x41/0x90 # [ 55.904032] ? exc_invalid_op+0x14/0x70 # [ 55.914848] ? asm_exc_invalid_op+0x12/0x20 # [ 55.926016] ? refcount_warn_saturate+0x74/0x110 # [ 55.937687] ? refcount_warn_saturate+0x74/0x110 # [ 55.949336] lkdtm_REFCOUNT_ADD_ZERO+0x99/0xc1 # [ 55.960830] direct_entry.cold+0x2c/0x38 # [ 55.971738] full_proxy_write+0x53/0x80 # [ 55.982521] vfs_write+0xe7/0x3b0 # [ 55.992743] ksys_write+0x68/0xf0 # [ 56.002956] do_syscall_64+0x30/0x40 # [ 56.013442] entry_SYSCALL_64_after_hwframe+0x67/0xd1 # [ 56.025606] RIP: 0033:0x7ff70bedf240 # [ 56.036090] 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 # [ 56.063613] RSP: 002b:00007ffebfbd3668 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 # [ 56.078548] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007ff70bedf240 # [ 56.093053] RDX: 0000000000000012 RSI: 00007ff70bdc3000 RDI: 0000000000000001 # [ 56.107509] RBP: 0000000000000012 R08: 00000000ffffffff R09: 0000000000000000 # [ 56.121996] R10: 00007ff70be004d0 R11: 0000000000000202 R12: 00007ff70bdc3000 # [ 56.136473] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 # [ 56.150983] irq event stamp: 0 # [ 56.160873] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 56.174407] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 56.190039] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 56.205693] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 56.219206] ---[ end trace 904211b6156a7d4c ]--- # [ 56.230882] 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 # [ 56.376592] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED # [ 56.385922] lkdtm: attempting bad refcount_inc() from saturated # [ 56.392839] ------------[ cut here ]------------ # [ 56.404498] refcount_t: saturated; leaking memory. # [ 56.410182] WARNING: CPU: 2 PID: 2381 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 56.419908] Modules linked in: fuse ip_tables cros_ec_lid_angle btusb btrtl btbcm btintel cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio iTCO_wdt cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs bluetooth cros_usbpd_logger cros_ec_chardev cros_usbpd_charger uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 watchdog cros_ec_sensorhub ecdh_generic intel_pmc_core_pltdrv snd_soc_max98927 snd_soc_da7219 intel_pmc_core processor_thermal_device gsmi iwlmvm cros_ec_dev x86_pkg_temp_thermal intel_pmc_bxt iwlwifi snd_soc_core idma64 videobuf2_common ecc intel_soc_dts_iosf snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify pinctrl_sunrisepoint int3403_thermal int340x_thermal_zone int3400_thermal chromeos_pstore acpi_thermal_rel cros_kbd_led_backlight coreboot_table # [ 56.507606] CPU: 2 PID: 2381 Comm: cat Tainted: G D W 5.10.218-cip49 #1 # [ 56.516580] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 56.529895] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 56.542239] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 8a cf f6 02 00 75 ee 48 c7 c7 40 aa 02 91 c6 05 7a cf f6 02 01 e8 15 6e c5 00 <0f> 0b c3 cc cc cc cc 80 3d 66 cf f6 02 00 75 cb 48 c7 c7 68 aa 02 # [ 56.569759] RSP: 0018:ffffa6d802fa3e48 EFLAGS: 00010286 # [ 56.575913] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000 # [ 56.590390] RDX: ffff99ef7ad2c620 RSI: ffff99ef7ad1bf50 RDI: ffff99ef7ad1bf50 # [ 56.598657] RBP: ffffffff910d0385 R08: 0000000000000000 R09: 0000000000000000 # [ 56.606945] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 56.615224] R13: ffffa6d802fa3f10 R14: ffffa6d802fa3f10 R15: ffff99ef060e7000 # [ 56.629704] FS: 00007f6813b66740(0000) GS:ffff99ef7ad00000(0000) knlGS:0000000000000000 # [ 56.639045] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 56.651963] CR2: 00007f6813b45000 CR3: 0000000107eec002 CR4: 00000000003706e0 # [ 56.660228] Call Trace: # [ 56.663256] ? __warn+0x80/0x110 # [ 56.667178] ? refcount_warn_saturate+0x51/0x110 # [ 56.678837] ? report_bug+0x9e/0xc0 # [ 56.683056] ? handle_bug+0x41/0x90 # [ 56.687274] ? exc_invalid_op+0x14/0x70 # [ 56.691873] ? asm_exc_invalid_op+0x12/0x20 # [ 56.696848] ? refcount_warn_saturate+0x51/0x110 # [ 56.702329] ? refcount_warn_saturate+0x51/0x110 # [ 56.707809] lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x64 # [ 56.713551] direct_entry.cold+0x2c/0x38 # [ 56.718256] full_proxy_write+0x53/0x80 # [ 56.722863] vfs_write+0xe7/0x3b0 # [ 56.726886] ksys_write+0x68/0xf0 # [ 56.730912] do_syscall_64+0x30/0x40 # [ 56.735227] entry_SYSCALL_64_after_hwframe+0x67/0xd1 # [ 56.741163] RIP: 0033:0x7f6813c61240 # [ 56.745476] 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 # [ 56.766756] RSP: 002b:00007ffc8755d708 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 # [ 56.775538] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f6813c61240 # [ 56.783803] RDX: 0000000000000017 RSI: 00007f6813b45000 RDI: 0000000000000001 # [ 56.792066] RBP: 0000000000000017 R08: 00000000ffffffff R09: 0000000000000000 # [ 56.800333] R10: 00007f6813b824d0 R11: 0000000000000202 R12: 00007f6813b45000 # [ 56.808598] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 # [ 56.816868] irq event stamp: 0 # [ 56.820598] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 56.827896] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 56.843543] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 56.852981] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 56.866486] ---[ end trace 904211b6156a7d4d ]--- # [ 56.871964] 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 # [ 57.021331] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED # [ 57.034578] lkdtm: attempting bad refcount_dec() from saturated # [ 57.047722] ------------[ cut here ]------------ # [ 57.059402] refcount_t: decrement hit 0; leaking memory. # [ 57.071867] WARNING: CPU: 0 PID: 2417 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 57.087765] Modules linked in: fuse ip_tables cros_ec_lid_angle btusb btrtl btbcm btintel cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio iTCO_wdt cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs bluetooth cros_usbpd_logger cros_ec_chardev cros_usbpd_charger uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 watchdog cros_ec_sensorhub ecdh_generic intel_pmc_core_pltdrv snd_soc_max98927 snd_soc_da7219 intel_pmc_core processor_thermal_device gsmi iwlmvm cros_ec_dev x86_pkg_temp_thermal intel_pmc_bxt iwlwifi snd_soc_core idma64 videobuf2_common ecc intel_soc_dts_iosf snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify pinctrl_sunrisepoint int3403_thermal int340x_thermal_zone int3400_thermal chromeos_pstore acpi_thermal_rel cros_kbd_led_backlight coreboot_table # [ 57.175487] CPU: 0 PID: 2417 Comm: cat Tainted: G D W 5.10.218-cip49 #1 # [ 57.190637] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 57.204008] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 57.216316] Code: f0 aa 02 91 c6 05 e6 ce f6 02 01 e8 85 6d c5 00 0f 0b c3 cc cc cc cc 48 c7 c7 c0 aa 02 91 c6 05 cd ce f6 02 01 e8 6b 6d c5 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 57.243819] RSP: 0018:ffffa6d803063e48 EFLAGS: 00010286 # [ 57.256127] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000 # [ 57.270624] RDX: ffff99ef7ac2c620 RSI: ffff99ef7ac1bf50 RDI: ffff99ef7ac1bf50 # [ 57.285085] RBP: ffffffff910d039c R08: 0000000000000000 R09: 0000000000000000 # [ 57.299581] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 57.314044] R13: ffffa6d803063f10 R14: ffffa6d803063f10 R15: ffff99ef07243000 # [ 57.328543] FS: 00007f7bdf300740(0000) GS:ffff99ef7ac00000(0000) knlGS:0000000000000000 # [ 57.344074] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 57.357009] CR2: 00007f7bdf2df000 CR3: 00000001066b2003 CR4: 00000000003706f0 # [ 57.371476] Call Trace: # [ 57.380780] ? __warn+0x80/0x110 # [ 57.390833] ? refcount_warn_saturate+0xfb/0x110 # [ 57.402505] ? report_bug+0x9e/0xc0 # [ 57.412900] ? handle_bug+0x41/0x90 # [ 57.423337] ? exc_invalid_op+0x14/0x70 # [ 57.434087] ? asm_exc_invalid_op+0x12/0x20 # [ 57.445314] ? refcount_warn_saturate+0xfb/0x110 # [ 57.456936] ? refcount_warn_saturate+0xfb/0x110 # [ 57.468611] lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5f # [ 57.480553] direct_entry.cold+0x2c/0x38 # [ 57.491469] full_proxy_write+0x53/0x80 # [ 57.502238] vfs_write+0xe7/0x3b0 # [ 57.512454] ksys_write+0x68/0xf0 # [ 57.522645] do_syscall_64+0x30/0x40 # [ 57.533150] entry_SYSCALL_64_after_hwframe+0x67/0xd1 # [ 57.545315] RIP: 0033:0x7f7bdf3fb240 # [ 57.555777] 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 # [ 57.583315] RSP: 002b:00007fff951dbcd8 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 # [ 57.598274] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f7bdf3fb240 # [ 57.612781] RDX: 0000000000000017 RSI: 00007f7bdf2df000 RDI: 0000000000000001 # [ 57.627196] RBP: 0000000000000017 R08: 00000000ffffffff R09: 0000000000000000 # [ 57.641670] R10: 00007f7bdf31c4d0 R11: 0000000000000202 R12: 00007f7bdf2df000 # [ 57.656210] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 # [ 57.670714] irq event stamp: 0 # [ 57.680641] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 57.694139] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 57.709819] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 57.725430] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 57.738976] ---[ end trace 904211b6156a7d4e ]--- # [ 57.750624] 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 # [ 57.955821] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED # [ 57.968957] lkdtm: attempting bad refcount_dec() from saturated # [ 57.975874] ------------[ cut here ]------------ # [ 57.981330] refcount_t: saturated; leaking memory. # [ 57.987003] WARNING: CPU: 2 PID: 2453 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 57.996727] Modules linked in: fuse ip_tables cros_ec_lid_angle btusb btrtl btbcm btintel cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio iTCO_wdt cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs bluetooth cros_usbpd_logger cros_ec_chardev cros_usbpd_charger uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 watchdog cros_ec_sensorhub ecdh_generic intel_pmc_core_pltdrv snd_soc_max98927 snd_soc_da7219 intel_pmc_core processor_thermal_device gsmi iwlmvm cros_ec_dev x86_pkg_temp_thermal intel_pmc_bxt iwlwifi snd_soc_core idma64 videobuf2_common ecc intel_soc_dts_iosf snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify pinctrl_sunrisepoint int3403_thermal int340x_thermal_zone int3400_thermal chromeos_pstore acpi_thermal_rel cros_kbd_led_backlight coreboot_table # [ 58.084435] CPU: 2 PID: 2453 Comm: cat Tainted: G D W 5.10.218-cip49 #1 # [ 58.093406] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 58.100506] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 58.106660] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 8a cf f6 02 00 75 ee 48 c7 c7 40 aa 02 91 c6 05 7a cf f6 02 01 e8 15 6e c5 00 <0f> 0b c3 cc cc cc cc 80 3d 66 cf f6 02 00 75 cb 48 c7 c7 68 aa 02 # [ 58.127961] RSP: 0018:ffffa6d8030fbe48 EFLAGS: 00010286 # [ 58.140299] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000 # [ 58.148566] RDX: ffff99ef7ad2c620 RSI: ffff99ef7ad1bf50 RDI: ffff99ef7ad1bf50 # [ 58.156856] RBP: ffffffff910d03b3 R08: 0000000000000000 R09: 0000000000000000 # [ 58.165121] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 58.173386] R13: ffffa6d8030fbf10 R14: ffffa6d8030fbf10 R15: ffff99ef02dfd000 # [ 58.181651] FS: 00007f84a92c8740(0000) GS:ffff99ef7ad00000(0000) knlGS:0000000000000000 # [ 58.190984] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 58.197719] CR2: 00007f84a92a7000 CR3: 0000000107dba005 CR4: 00000000003706e0 # [ 58.205985] Call Trace: # [ 58.209010] ? __warn+0x80/0x110 # [ 58.212933] ? refcount_warn_saturate+0x51/0x110 # [ 58.224588] ? report_bug+0x9e/0xc0 # [ 58.228801] ? handle_bug+0x41/0x90 # [ 58.233021] ? exc_invalid_op+0x14/0x70 # [ 58.243813] ? asm_exc_invalid_op+0x12/0x20 # [ 58.254993] ? refcount_warn_saturate+0x51/0x110 # [ 58.260447] ? refcount_warn_saturate+0x51/0x110 # [ 58.265894] lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x64 # [ 58.271633] direct_entry.cold+0x2c/0x38 # [ 58.276308] full_proxy_write+0x53/0x80 # [ 58.280913] vfs_write+0xe7/0x3b0 # [ 58.284929] ksys_write+0x68/0xf0 # [ 58.288920] do_syscall_64+0x30/0x40 # [ 58.293203] entry_SYSCALL_64_after_hwframe+0x67/0xd1 # [ 58.299139] RIP: 0033:0x7f84a93c3240 # [ 58.303443] 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 # [ 58.324724] RSP: 002b:00007fffeca4a218 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 # [ 58.333518] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f84a93c3240 # [ 58.341783] RDX: 0000000000000017 RSI: 00007f84a92a7000 RDI: 0000000000000001 # [ 58.350046] RBP: 0000000000000017 R08: 00000000ffffffff R09: 0000000000000000 # [ 58.358308] R10: 00007f84a92e44d0 R11: 0000000000000202 R12: 00007f84a92a7000 # [ 58.366570] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 # [ 58.374837] irq event stamp: 0 # [ 58.378567] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 58.385884] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 58.395312] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 58.404752] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 58.412046] ---[ end trace 904211b6156a7d4f ]--- # [ 58.417494] 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 # [ 58.579573] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED # [ 58.593352] lkdtm: attempting bad refcount_inc_not_zero() from saturated # [ 58.607367] ------------[ cut here ]------------ # [ 58.619044] refcount_t: saturated; leaking memory. # [ 58.630919] WARNING: CPU: 0 PID: 2486 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 58.646841] Modules linked in: fuse ip_tables cros_ec_lid_angle btusb btrtl btbcm btintel cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio iTCO_wdt cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs bluetooth cros_usbpd_logger cros_ec_chardev cros_usbpd_charger uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 watchdog cros_ec_sensorhub ecdh_generic intel_pmc_core_pltdrv snd_soc_max98927 snd_soc_da7219 intel_pmc_core processor_thermal_device gsmi iwlmvm cros_ec_dev x86_pkg_temp_thermal intel_pmc_bxt iwlwifi snd_soc_core idma64 videobuf2_common ecc intel_soc_dts_iosf snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify pinctrl_sunrisepoint int3403_thermal int340x_thermal_zone int3400_thermal chromeos_pstore acpi_thermal_rel cros_kbd_led_backlight coreboot_table # [ 58.734568] CPU: 0 PID: 2486 Comm: cat Tainted: G D W 5.10.218-cip49 #1 # [ 58.749715] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 58.763059] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 58.775392] Code: 02 01 e8 f2 6d c5 00 0f 0b c3 cc cc cc cc 80 3d 45 cf f6 02 00 75 a8 48 c7 c7 40 aa 02 91 c6 05 35 cf f6 02 01 e8 cf 6d c5 00 <0f> 0b c3 cc cc cc cc 80 3d 1f cf f6 02 00 75 85 48 c7 c7 98 aa 02 # [ 58.802895] RSP: 0018:ffffa6d80316be38 EFLAGS: 00010282 # [ 58.815227] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 # [ 58.829719] RDX: ffff99ef7ac2c620 RSI: ffff99ef7ac1bf50 RDI: ffff99ef7ac1bf50 # [ 58.844217] RBP: ffffffff910cffe0 R08: 0000000000000000 R09: 0000000000000000 # [ 58.858681] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 58.873166] R13: ffffa6d80316bf10 R14: ffffa6d80316bf10 R15: ffff99ef072ff000 # [ 58.887685] FS: 00007f778f54a740(0000) GS:ffff99ef7ac00000(0000) knlGS:0000000000000000 # [ 58.903218] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 58.916238] CR2: 00007f778f529000 CR3: 00000001072fc005 CR4: 00000000003706f0 # [ 58.930655] Call Trace: # [ 58.939918] ? __warn+0x80/0x110 # [ 58.950044] ? refcount_warn_saturate+0x97/0x110 # [ 58.961691] ? report_bug+0x9e/0xc0 # [ 58.972150] ? handle_bug+0x41/0x90 # [ 58.982524] ? exc_invalid_op+0x14/0x70 # [ 58.993338] ? asm_exc_invalid_op+0x12/0x20 # [ 59.004521] ? refcount_warn_saturate+0x97/0x110 # [ 59.016177] ? refcount_warn_saturate+0x97/0x110 # [ 59.027841] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 59.040515] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x76 # [ 59.053333] direct_entry.cold+0x2c/0x38 # [ 59.064267] full_proxy_write+0x53/0x80 # [ 59.075043] vfs_write+0xe7/0x3b0 # [ 59.085283] ksys_write+0x68/0xf0 # [ 59.095509] do_syscall_64+0x30/0x40 # [ 59.106038] entry_SYSCALL_64_after_hwframe+0x67/0xd1 # [ 59.118179] RIP: 0033:0x7f778f645240 # [ 59.128714] 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 # [ 59.156193] RSP: 002b:00007ffe166c62d8 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 # [ 59.171165] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f778f645240 # [ 59.185650] RDX: 0000000000000020 RSI: 00007f778f529000 RDI: 0000000000000001 # [ 59.200175] RBP: 0000000000000020 R08: 00000000ffffffff R09: 0000000000000000 # [ 59.214670] R10: 00007f778f5664d0 R11: 0000000000000202 R12: 00007f778f529000 # [ 59.229186] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 # [ 59.243691] irq event stamp: 0 # [ 59.253618] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 59.267153] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 59.282795] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 59.298482] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 59.311968] ---[ end trace 904211b6156a7d50 ]--- # [ 59.323659] 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 # [ 59.490609] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED # [ 59.499529] lkdtm: attempting bad refcount_add_not_zero() from saturated # [ 59.507318] ------------[ cut here ]------------ # [ 59.512772] refcount_t: saturated; leaking memory. # [ 59.518444] WARNING: CPU: 3 PID: 2519 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 59.528170] Modules linked in: fuse ip_tables cros_ec_lid_angle btusb btrtl btbcm btintel cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio iTCO_wdt cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs bluetooth cros_usbpd_logger cros_ec_chardev cros_usbpd_charger uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 watchdog cros_ec_sensorhub ecdh_generic intel_pmc_core_pltdrv snd_soc_max98927 snd_soc_da7219 intel_pmc_core processor_thermal_device gsmi iwlmvm cros_ec_dev x86_pkg_temp_thermal intel_pmc_bxt iwlwifi snd_soc_core idma64 videobuf2_common ecc intel_soc_dts_iosf snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify pinctrl_sunrisepoint int3403_thermal int340x_thermal_zone int3400_thermal chromeos_pstore acpi_thermal_rel cros_kbd_led_backlight coreboot_table # [ 59.615860] CPU: 3 PID: 2519 Comm: cat Tainted: G D W 5.10.218-cip49 #1 # [ 59.631017] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 59.644336] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 59.656676] Code: 02 01 e8 f2 6d c5 00 0f 0b c3 cc cc cc cc 80 3d 45 cf f6 02 00 75 a8 48 c7 c7 40 aa 02 91 c6 05 35 cf f6 02 01 e8 cf 6d c5 00 <0f> 0b c3 cc cc cc cc 80 3d 1f cf f6 02 00 75 85 48 c7 c7 98 aa 02 # [ 59.684170] RSP: 0018:ffffa6d8031dbe38 EFLAGS: 00010282 # [ 59.696513] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 # [ 59.710990] RDX: ffff99ef7adac620 RSI: ffff99ef7ad9bf50 RDI: ffff99ef7ad9bf50 # [ 59.725467] RBP: ffffffff910d0000 R08: 0000000000000000 R09: 0000000000000000 # [ 59.739946] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 59.754427] R13: ffffa6d8031dbf10 R14: ffffa6d8031dbf10 R15: ffff99ef06541000 # [ 59.768905] FS: 00007fd4eee66740(0000) GS:ffff99ef7ad80000(0000) knlGS:0000000000000000 # [ 59.784449] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 59.797374] CR2: 00007fd4eee45000 CR3: 0000000107632004 CR4: 00000000003706e0 # [ 59.811853] Call Trace: # [ 59.821093] ? __warn+0x80/0x110 # [ 59.831197] ? refcount_warn_saturate+0x97/0x110 # [ 59.842862] ? report_bug+0x9e/0xc0 # [ 59.853260] ? handle_bug+0x41/0x90 # [ 59.863656] ? exc_invalid_op+0x14/0x70 # [ 59.874443] ? asm_exc_invalid_op+0x12/0x20 # [ 59.879411] ? refcount_warn_saturate+0x97/0x110 # [ 59.891065] ? refcount_warn_saturate+0x97/0x110 # [ 59.902728] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 59.915362] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x76 # [ 59.928188] direct_entry.cold+0x2c/0x38 # [ 59.939078] full_proxy_write+0x53/0x80 # [ 59.949866] vfs_write+0xe7/0x3b0 # [ 59.960076] ksys_write+0x68/0xf0 # [ 59.970278] do_syscall_64+0x30/0x40 # [ 59.980778] entry_SYSCALL_64_after_hwframe+0x67/0xd1 # [ 59.992926] RIP: 0033:0x7fd4eef61240 # [ 60.003422] 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 # [ 60.030914] RSP: 002b:00007ffdd0af4928 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 # [ 60.045876] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fd4eef61240 # [ 60.060355] RDX: 0000000000000020 RSI: 00007fd4eee45000 RDI: 0000000000000001 # [ 60.074832] RBP: 0000000000000020 R08: 00000000ffffffff R09: 0000000000000000 # [ 60.083095] R10: 00007fd4eee824d0 R11: 0000000000000202 R12: 00007fd4eee45000 # [ 60.097571] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 # [ 60.112054] irq event stamp: 0 # [ 60.121966] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 60.129260] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 60.138699] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 60.154346] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 60.161640] ---[ end trace 904211b6156a7d51 ]--- # [ 60.167088] 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 # [ 60.334998] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED # [ 60.349082] lkdtm: attempting bad refcount_dec_and_test() from saturated # [ 60.363056] ------------[ cut here ]------------ # [ 60.374764] refcount_t: underflow; use-after-free. # [ 60.386625] WARNING: CPU: 0 PID: 2555 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 60.402536] Modules linked in: fuse ip_tables cros_ec_lid_angle btusb btrtl btbcm btintel cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio iTCO_wdt cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs bluetooth cros_usbpd_logger cros_ec_chardev cros_usbpd_charger uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 watchdog cros_ec_sensorhub ecdh_generic intel_pmc_core_pltdrv snd_soc_max98927 snd_soc_da7219 intel_pmc_core processor_thermal_device gsmi iwlmvm cros_ec_dev x86_pkg_temp_thermal intel_pmc_bxt iwlwifi snd_soc_core idma64 videobuf2_common ecc intel_soc_dts_iosf snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify pinctrl_sunrisepoint int3403_thermal int340x_thermal_zone int3400_thermal chromeos_pstore acpi_thermal_rel cros_kbd_led_backlight coreboot_table # [ 60.490255] CPU: 0 PID: 2555 Comm: cat Tainted: G D W 5.10.218-cip49 #1 # [ 60.505408] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 60.518718] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 60.531078] Code: 02 01 e8 cf 6d c5 00 0f 0b c3 cc cc cc cc 80 3d 1f cf f6 02 00 75 85 48 c7 c7 98 aa 02 91 c6 05 0f cf f6 02 01 e8 ac 6d c5 00 <0f> 0b c3 cc cc cc cc 80 3d fa ce f6 02 00 0f 85 5e ff ff ff 48 c7 # [ 60.558577] RSP: 0018:ffffa6d80326be40 EFLAGS: 00010286 # [ 60.570940] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000 # [ 60.585418] RDX: ffff99ef7ac2c620 RSI: ffff99ef7ac1bf50 RDI: ffff99ef7ac1bf50 # [ 60.599906] RBP: ffffffff910d0020 R08: 0000000000000000 R09: 0000000000000000 # [ 60.614405] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 60.628888] R13: ffffa6d80326bf10 R14: ffffa6d80326bf10 R15: ffff99ef066b3000 # [ 60.643401] FS: 00007f66acc5b740(0000) GS:ffff99ef7ac00000(0000) knlGS:0000000000000000 # [ 60.658933] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 60.671874] CR2: 00007f66acc3a000 CR3: 00000001072a0002 CR4: 00000000003706f0 # [ 60.686325] Call Trace: # [ 60.695636] ? __warn+0x80/0x110 # [ 60.705693] ? refcount_warn_saturate+0xba/0x110 # [ 60.717359] ? report_bug+0x9e/0xc0 # [ 60.727756] ? handle_bug+0x41/0x90 # [ 60.738175] ? exc_invalid_op+0x14/0x70 # [ 60.748945] ? asm_exc_invalid_op+0x12/0x20 # [ 60.760135] ? refcount_warn_saturate+0xba/0x110 # [ 60.771788] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 60.784430] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x76 # [ 60.797261] direct_entry.cold+0x2c/0x38 # [ 60.808161] full_proxy_write+0x53/0x80 # [ 60.818962] vfs_write+0xe7/0x3b0 # [ 60.829190] ksys_write+0x68/0xf0 # [ 60.839366] do_syscall_64+0x30/0x40 # [ 60.849887] entry_SYSCALL_64_after_hwframe+0x67/0xd1 # [ 60.862023] RIP: 0033:0x7f66acd56240 # [ 60.872526] 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 # [ 60.900014] RSP: 002b:00007ffc8afcca08 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 # [ 60.914992] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f66acd56240 # [ 60.929455] RDX: 0000000000000020 RSI: 00007f66acc3a000 RDI: 0000000000000001 # [ 60.943955] RBP: 0000000000000020 R08: 00000000ffffffff R09: 0000000000000000 # [ 60.958418] R10: 00007f66acc774d0 R11: 0000000000000202 R12: 00007f66acc3a000 # [ 60.972933] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 # [ 60.987382] irq event stamp: 0 # [ 60.997301] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 61.010807] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 61.026464] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 61.042100] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 61.055612] ---[ end trace 904211b6156a7d52 ]--- # [ 61.067268] 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 # [ 61.486101] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED # [ 61.499299] lkdtm: attempting bad refcount_sub_and_test() from saturated # [ 61.507091] ------------[ cut here ]------------ # [ 61.512547] refcount_t: underflow; use-after-free. # [ 61.524413] WARNING: CPU: 3 PID: 2591 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 61.540339] Modules linked in: fuse ip_tables cros_ec_lid_angle btusb btrtl btbcm btintel cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio iTCO_wdt cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs bluetooth cros_usbpd_logger cros_ec_chardev cros_usbpd_charger uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 watchdog cros_ec_sensorhub ecdh_generic intel_pmc_core_pltdrv snd_soc_max98927 snd_soc_da7219 intel_pmc_core processor_thermal_device gsmi iwlmvm cros_ec_dev x86_pkg_temp_thermal intel_pmc_bxt iwlwifi snd_soc_core idma64 videobuf2_common ecc intel_soc_dts_iosf snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify pinctrl_sunrisepoint int3403_thermal int340x_thermal_zone int3400_thermal chromeos_pstore acpi_thermal_rel cros_kbd_led_backlight coreboot_table # [ 61.628069] CPU: 3 PID: 2591 Comm: cat Tainted: G D W 5.10.218-cip49 #1 # [ 61.637029] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 61.650334] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 61.656462] Code: 02 01 e8 cf 6d c5 00 0f 0b c3 cc cc cc cc 80 3d 1f cf f6 02 00 75 85 48 c7 c7 98 aa 02 91 c6 05 0f cf f6 02 01 e8 ac 6d c5 00 <0f> 0b c3 cc cc cc cc 80 3d fa ce f6 02 00 0f 85 5e ff ff ff 48 c7 # [ 61.677743] RSP: 0018:ffffa6d8032ebe40 EFLAGS: 00010286 # [ 61.690086] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000 # [ 61.698351] RDX: ffff99ef7adac620 RSI: ffff99ef7ad9bf50 RDI: ffff99ef7ad9bf50 # [ 61.706614] RBP: ffffffff910d0040 R08: 0000000000000000 R09: 0000000000000000 # [ 61.714879] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 61.723142] R13: ffffa6d8032ebf10 R14: ffffa6d8032ebf10 R15: ffff99ef029a9000 # [ 61.731404] FS: 00007f3bee2b5740(0000) GS:ffff99ef7ad80000(0000) knlGS:0000000000000000 # [ 61.740751] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 61.747461] CR2: 00007f3bee294000 CR3: 0000000106380006 CR4: 00000000003706e0 # [ 61.755725] Call Trace: # [ 61.758756] ? __warn+0x80/0x110 # [ 61.762678] ? refcount_warn_saturate+0xba/0x110 # [ 61.774335] ? report_bug+0x9e/0xc0 # [ 61.778523] ? handle_bug+0x41/0x90 # [ 61.782709] ? exc_invalid_op+0x14/0x70 # [ 61.787283] ? asm_exc_invalid_op+0x12/0x20 # [ 61.792248] ? refcount_warn_saturate+0xba/0x110 # [ 61.797731] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 61.810365] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x76 # [ 61.823197] direct_entry.cold+0x2c/0x38 # [ 61.827900] full_proxy_write+0x53/0x80 # [ 61.832476] vfs_write+0xe7/0x3b0 # [ 61.836492] ksys_write+0x68/0xf0 # [ 61.840485] do_syscall_64+0x30/0x40 # [ 61.844769] entry_SYSCALL_64_after_hwframe+0x67/0xd1 # [ 61.850715] RIP: 0033:0x7f3bee3b0240 # [ 61.855030] 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 # [ 61.876306] RSP: 002b:00007fff12986778 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 # [ 61.885055] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f3bee3b0240 # [ 61.893319] RDX: 0000000000000020 RSI: 00007f3bee294000 RDI: 0000000000000001 # [ 61.901582] RBP: 0000000000000020 R08: 00000000ffffffff R09: 0000000000000000 # [ 61.909843] R10: 00007f3bee2d14d0 R11: 0000000000000202 R12: 00007f3bee294000 # [ 61.918098] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 # [ 61.926365] irq event stamp: 0 # [ 61.930095] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 61.937389] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 61.946818] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 61.956249] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 61.963542] ---[ end trace 904211b6156a7d53 ]--- # [ 61.968989] 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 # [ 62.175134] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO # [ 62.187285] lkdtm: attempting good copy_to_user of correct size # [ 62.200406] 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 # [ 62.369871] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM # [ 62.382430] lkdtm: attempting good copy_from_user of correct size # [ 62.395812] 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 # [ 62.556378] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO # [ 62.565839] lkdtm: attempting good copy_to_user inside whitelist # [ 62.579067] 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 # [ 62.736966] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM # [ 62.749169] lkdtm: attempting good copy_from_user inside whitelist # [ 62.762608] 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 # [ 62.911352] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO # [ 62.919923] lkdtm: good_stack: ffffa6d8036a3e20-ffffa6d8036a3e40 # [ 62.933163] lkdtm: bad_stack : ffffa6d8036a3da8-ffffa6d8036a3dc8 # [ 62.946383] lkdtm: attempting good copy_to_user of local stack # [ 62.959469] 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 # [ 63.109818] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM # [ 63.122859] lkdtm: good_stack: ffffa6d80377be20-ffffa6d80377be40 # [ 63.129901] lkdtm: bad_stack : ffffa6d80377bda8-ffffa6d80377bdc8 # [ 63.136964] lkdtm: attempting good copy_from_user of local stack # [ 63.143995] 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 # [ 63.320549] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND # [ 63.332337] lkdtm: good_stack: ffffa6d8037fbe20-ffffa6d8037fbe40 # [ 63.339350] lkdtm: bad_stack : ffffa6d8037fbff8-ffffa6d8037fc018 # [ 63.346363] lkdtm: attempting good copy_to_user of local stack # [ 63.353183] lkdtm: attempting bad copy_to_user of distant stack # [ 63.360117] 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 # [ 63.502790] lkdtm: Performing direct entry USERCOPY_KERNEL # [ 63.509433] lkdtm: attempting good copy_to_user from kernel rodata: ffffffff90c40b10 # [ 63.518389] lkdtm: attempting bad copy_to_user from kernel text: ffffffff8e4e41c0 # [ 63.527051] 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 # [ 63.712563] lkdtm: Performing direct entry STACKLEAK_ERASING # [ 63.720042] lkdtm: checking unused part of the thread stack (15928 bytes)... # [ 63.728226] lkdtm: FAIL: the erased part is not found (checked 15928 bytes) # [ 63.736311] lkdtm: FAIL: the thread stack is NOT properly erased # [ 63.749528] CPU: 3 PID: 2967 Comm: cat Tainted: G D W 5.10.218-cip49 #1 # [ 63.758499] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 63.765596] Call Trace: # [ 63.768619] dump_stack+0x77/0x9b # [ 63.772640] lkdtm_STACKLEAK_ERASING+0x116/0x144 # [ 63.778086] direct_entry.cold+0x2c/0x38 # [ 63.782751] full_proxy_write+0x53/0x80 # [ 63.787323] vfs_write+0xe7/0x3b0 # [ 63.791314] ksys_write+0x68/0xf0 # [ 63.795304] do_syscall_64+0x30/0x40 # [ 63.799585] entry_SYSCALL_64_after_hwframe+0x67/0xd1 # [ 63.805508] RIP: 0033:0x7f0cba03f240 # [ 63.809779] 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 # [ 63.831054] RSP: 002b:00007ffeddaec858 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 # [ 63.839802] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f0cba03f240 # [ 63.848063] RDX: 0000000000000012 RSI: 00007f0cb9f23000 RDI: 0000000000000001 # [ 63.856324] RBP: 0000000000000012 R08: 00000000ffffffff R09: 0000000000000000 # [ 63.864586] R10: 00007f0cb9f604d0 R11: 0000000000000202 R12: 00007f0cb9f23000 # [ 63.872848] 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 # [ 64.025392] lkdtm: Performing direct entry CFI_FORWARD_PROTO # [ 64.036934] lkdtm: Calling matched prototype ... # [ 64.042403] lkdtm: Calling mismatched prototype ... # [ 64.054361] 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 + set +x