[Enter `^Ec?' for help] coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 bootblock starting... CPU: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz CPU: ID 806e9, Kabylake H0, ucode: 00000097 CPU: AES supported, TXT NOT supported, VT supported MCH: device id 590c (rev 02) is Kabylake-Y PCH: device id 9d4b (rev 21) is Kabylake-Y iHDCP 2.2 Premium IGD: device id 591c (rev 02) is Amberlake ULX GT2 VBOOT: Loading verstage. CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/verstage' CBFS: Found @ offset 1a0a80 size f47c coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 verstage starting... Probing TPM: . done! TPM ready after 0 ms Connected to device vid:did:rid of 1ae0:0028:00 Firmware version: B2-C:0 RO_B:0.0.11/4d655eab RW_B:0.5.5/cr50_v1.9308_87_mp.479-d7921eab 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 79755 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fspm.bin' CBFS: Found @ offset 103fc0 size 63000 Chrome EC: UHEPI supported FMAP: Found "FLASH" version 1.1 at c10000. FMAP: base = ff000000 size = 1000000 #areas = 33 FMAP: area RECOVERY_MRC_CACHE found @ 9d0000 (65536 bytes) Probing TPM: done! Connected to device vid:did:rid of 1ae0:0028:00 Firmware version: B2-C:0 RO_B:0.0.11/4d655eab RW_B:0.5.5/cr50_v1.9308_87_mp.479-d7921eab 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...AP: slot 1 apic_id 1. done. AP: slot 2 apic_id 2. AP: slot 3 apic_id 3. 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 Setting up local APIC...Setting up local APIC... apic_id: 0x03 done. apic_id: 0x02 done. Skip microcode update Skip microcode update CPU #3 initialized CPU #2 initialized apic_id: 0x01 done. Skip microcode update 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 375967 run 164015 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: 02: enabled 1 APIC: 03: enabled 1 Compare with tree... Root Device: enabled 1 CPU_CLUSTER: 0: enabled 1 APIC: 00: enabled 1 APIC: 01: enabled 1 APIC: 02: enabled 1 APIC: 03: 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 8972 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 8972 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 8964 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 8970 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 8965 usecs scan_usb_bus for USB0 port 0 done scan_bus: scanning of bus USB0 port 0 took 90931 usecs scan_usb_bus for PCI: 00:14.0 done scan_bus: scanning of bus PCI: 00:14.0 took 107716 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 14154 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 14156 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 22368 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 53517 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 13861 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 11321 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 9263 usecs PCI: 00:1f.3 scanning... scan_bus: scanning of bus PCI: 00:1f.3 took 2717 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 10034 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 10047 usecs scan_bus: scanning of bus DOMAIN: 0000 took 466009 usecs root_dev_scan_bus for Root Device done scan_bus: scanning of bus Root Device took 486118 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 825868 exit 39248 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: 02 APIC: 03 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: 02 APIC: 03 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 2113833 exit 30 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 139235 exit 18492 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 31690 usecs CPU_CLUSTER: 0 init ... CPU_CLUSTER: 0 init finished in 2443 usecs PCI: 00:00.0 init ... CPU TDP: 5 Watts CPU PL2 = 18 Watts PCI: 00:00.0 init finished in 6977 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 2249 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 5967 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 5967 usecs PCI: 00:1c.0 init ... Initializing PCH PCIe bridge. PCI: 00:1c.0 init finished in 5289 usecs PCI: 00:1e.4 init ... PCI: 00:1e.4 init finished in 2248 usecs PCI: 00:1f.0 init ... IOAPIC: Initializing IOAPIC at 0xfec00000 IOAPIC: Bootstrap Processor Local APIC = 0x00 IOAPIC: ID = 0x02 IOAPIC: Dumping registers reg 0x0000: 0x02000000 reg 0x0001: 0x00770020 reg 0x0002: 0x00000000 PCI: 00:1f.0 init finished in 23490 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 23782 usecs PCI: 00:1f.4 init ... PCI: 00:1f.4 init finished in 2251 usecs PCI: 01:00.0 init ... PCI: 01:00.0 init finished in 2394 usecs PNP: 0c09.0 init ... Google Chrome EC: Hello got back 11223344 status (0) Google Chrome EC: version: ro: rammus_v2.0.387-f0df0fe2e rw: rammus_v2.0.425-6e0dd622e running image: 1 EC returned error result code 1 PNP: 0c09.0 init finished in 24417 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: 02: enabled 1 APIC: 03: 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 2024-06-25 19:24:39 UTC ELOG: Event(92) added with size 9 at 2024-06-25 19:24:39 UTC ELOG: Event(AD) added with size 10 at 2024-06-25 19:24:39 UTC ELOG: Event(9F) added with size 14 at 2024-06-25 19:24:39 UTC BS: BS_DEV_INIT times (us): entry 0 run 417786 exit 42577 ELOG: Event(A1) added with size 10 at 2024-06-25 19:24:39 UTC elog_add_boot_reason: Logged recovery mode boot (Dev-switch on), reason: 0x02 ELOG: Event(A0) added with size 9 at 2024-06-25 19:24:39 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 25551 run 3952 exit 5152 BS: BS_OS_RESUME_CHECK times (us): entry 0 run 55 exit 0 ELOG: Event(91) added with size 10 at 2024-06-25 19:24:40 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 d1da 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 6283 run 537482 exit 146840 call enable_fixed_mtrr() 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 0x250 0x0606060606060606 call enable_fixed_mtrr() 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 CPU physical address size: 39 bits call enable_fixed_mtrr() CPU physical address size: 39 bits CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CPU physical address size: 39 bits CBFS: Locating 'fallback/payload' 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 : 0x00084000 ME: Host Firmware Status Register 5 : 0x00000000 ME: Host Firmware Status Register 6 : 0x40000002 ME: FW Partition Table : OK ME: Bringup Loader Failure : NO ME: Firmware Init Complete : YES ME: Manufacturing Mode : NO ME: Boot Options Present : NO ME: Update In Progress : NO ME: D3 Support : NO ME: D0i3 Support : YES ME: Low Power State Enabled : YES ME: CPU Replaced : NO ME: CPU Replacement Valid : YES ME: Current Working State : Normal ME: Current Operation State : M0 with UMA ME: Current Operation Mode : Normal ME: Error Code : No Error ME: Progress Phase : Host Communication ME: Power Management Event : Clean Moff->Mx wake ME: Progress Phase State : Host communication established ME: Power Down Mitigation : NO ME: FPF status : fused Clearing MCA. Finalizing SMM. BS: BS_PAYLOAD_LOAD times (us): entry 596 run 263045 exit 134576 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 14570616/tftp-deploy-667dd3fy/kernel/bzImage 14570616/tftp-deploy-667dd3fy/kernel/cmdline 14570616/tftp-deploy-667dd3fy/ramdisk/ramdisk.cpio.gz tftpboot 192.168.201.1 14570616/tftp-deploy-667dd3fy/kernel/bzIploy-667dd3fy/kernel/cmdline 14570616/tftp-deploy-667dd3fy/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:68:0a:98 Sending DHCP discover... done. Waiting for reply... done. Sending DHCP request... done. Waiting for reply... done. My ip is 192.168.201.18 The DHCP server ip is 192.168.201.1 TFTP server IP predefined by user: 192.168.201.1 Bootfile predefined by user: 14570616/tftp-deploy-667dd3fy/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 22849664 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: 14570616/tftp-deploy-667dd3fy/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/14570616/extract-nfsrootfs-olkap9bm,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: 24900522 Starting kernel ... <5>[ 0.000000] Linux version 5.10.218-cip49 (KernelCI@build-j244636-x86-64-gcc-10-x86-64-defconfig-x86-board-dlvlk) (gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2) #1 SMP Tue Jun 25 11:39:21 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/14570616/extract-nfsrootfs-olkap9bm,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>[ 0.000052] last_pfn = 0x17f000 max_arch_pfn = 0x400000000 <6>[ 0.001312] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT <6>[ 0.006720] last_pfn = 0x7a998 max_arch_pfn = 0x400000000 <6>[ 0.024386] check: Scanning 1 areas for low memory corruption <6>[ 0.024399] Using GB pages for direct mapping <6>[ 0.025083] RAMDISK: [mem 0x3738a000-0x37ffffff] <6>[ 0.025091] ACPI: Early table checksum verification disabled <6>[ 0.025099] ACPI: RSDP 0x00000000000F0000 000024 (v02 CORE ) <6>[ 0.025112] ACPI: XSDT 0x000000007AA9A0E0 00006C (v01 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.025129] ACPI: FACP 0x000000007AA9E970 0000F4 (v04 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.025145] ACPI: DSDT 0x000000007AA9A280 0046E3 (v05 COREv4 COREBOOT 20110725 INTL 20180531) <6>[ 0.025158] ACPI: FACS 0x000000007AA9A240 000040 <6>[ 0.025169] ACPI: FACS 0x000000007AA9A240 000040 <6>[ 0.025181] ACPI: SSDT 0x000000007AA9EA70 000EFA (v02 CORE COREBOOT 0000002A CORE 0000002A) <6>[ 0.025193] ACPI: MCFG 0x000000007AA9F970 00003C (v01 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.025206] ACPI: TPM2 0x000000007AA9F9B0 000040 (v04 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.025218] ACPI: APIC 0x000000007AA9F9F0 00006C (v02 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.025230] ACPI: NHLT 0x000000007AA9FA60 001B1C (v05 GOOGLE RAMMUS 00000000 CORE 00000000) <6>[ 0.025242] ACPI: DMAR 0x000000007AAA1580 000088 (v01 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.025254] ACPI: DBG2 0x000000007AAA3610 000061 (v00 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.025266] ACPI: HPET 0x000000007AAA3680 000038 (v01 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.025278] ACPI: Reserving FACP table memory at [mem 0x7aa9e970-0x7aa9ea63] <6>[ 0.025284] ACPI: Reserving DSDT table memory at [mem 0x7aa9a280-0x7aa9e962] <6>[ 0.025289] ACPI: Reserving FACS table memory at [mem 0x7aa9a240-0x7aa9a27f] <6>[ 0.025294] ACPI: Reserving FACS table memory at [mem 0x7aa9a240-0x7aa9a27f] <6>[ 0.025298] ACPI: Reserving SSDT table memory at [mem 0x7aa9ea70-0x7aa9f969] <6>[ 0.025303] ACPI: Reserving MCFG table memory at [mem 0x7aa9f970-0x7aa9f9ab] <6>[ 0.025308] ACPI: Reserving TPM2 table memory at [mem 0x7aa9f9b0-0x7aa9f9ef] <6>[ 0.025313] ACPI: Reserving APIC table memory at [mem 0x7aa9f9f0-0x7aa9fa5b] <6>[ 0.025318] ACPI: Reserving NHLT table memory at [mem 0x7aa9fa60-0x7aaa157b] <6>[ 0.025322] ACPI: Reserving DMAR table memory at [mem 0x7aaa1580-0x7aaa1607] <6>[ 0.025327] ACPI: Reserving DBG2 table memory at [mem 0x7aaa3610-0x7aaa3670] <6>[ 0.025332] ACPI: Reserving HPET table memory at [mem 0x7aaa3680-0x7aaa36b7] <6>[ 0.025471] No NUMA configuration found <6>[ 0.025477] Faking a node at [mem 0x0000000000000000-0x000000017effffff] <6>[ 0.025486] NODE_DATA(0) allocated [mem 0x17effc000-0x17effffff] <6>[ 0.025531] Zone ranges: <6>[ 0.025536] DMA [mem 0x0000000000001000-0x0000000000ffffff] <6>[ 0.025544] DMA32 [mem 0x0000000001000000-0x00000000ffffffff] <6>[ 0.025552] Normal [mem 0x0000000100000000-0x000000017effffff] <6>[ 0.025559] Movable zone start for each node <6>[ 0.025564] Early memory node ranges <6>[ 0.025569] node 0: [mem 0x0000000000001000-0x000000000009ffff] <6>[ 0.025574] node 0: [mem 0x0000000000100000-0x000000007a997fff] <6>[ 0.025579] node 0: [mem 0x0000000100000000-0x000000017effffff] <6>[ 0.025585] Initmem setup node 0 [mem 0x0000000000001000-0x000000017effffff] <6>[ 0.025622] On node 0, zone DMA: 1 pages in unavailable ranges <6>[ 0.025688] On node 0, zone DMA: 96 pages in unavailable ranges <6>[ 0.041098] On node 0, zone Normal: 22120 pages in unavailable ranges <6>[ 0.042006] On node 0, zone Normal: 4096 pages in unavailable ranges <6>[ 0.042031] Reserving Intel graphics memory at [mem 0x7c000000-0x7fffffff] <6>[ 0.042389] ACPI: PM-Timer IO Port: 0x1808 <6>[ 0.042443] IOAPIC[0]: apic_id 2, version 32, address 0xfec00000, GSI 0-119 <6>[ 0.042456] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl) <6>[ 0.042462] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) <6>[ 0.042476] Using ACPI (MADT) for SMP configuration information <6>[ 0.042482] ACPI: HPET id: 0x8086a701 base: 0xfed00000 <6>[ 0.042489] TSC deadline timer available <6>[ 0.042494] smpboot: Allowing 4 CPUs, 0 hotplug CPUs <6>[ 0.042522] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] <6>[ 0.042528] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000fffff] <6>[ 0.042534] PM: hibernation: Registered nosave memory: [mem 0x7a998000-0x7affffff] <6>[ 0.042538] PM: hibernation: Registered nosave memory: [mem 0x7b000000-0x7fffffff] <6>[ 0.042542] PM: hibernation: Registered nosave memory: [mem 0x80000000-0xdfffffff] <6>[ 0.042546] PM: hibernation: Registered nosave memory: [mem 0xe0000000-0xe3ffffff] <6>[ 0.042550] PM: hibernation: Registered nosave memory: [mem 0xe4000000-0xfdffffff] <6>[ 0.042554] PM: hibernation: Registered nosave memory: [mem 0xfe000000-0xfe00ffff] <6>[ 0.042558] PM: hibernation: Registered nosave memory: [mem 0xfe010000-0xfed0ffff] <6>[ 0.042563] PM: hibernation: Registered nosave memory: [mem 0xfed10000-0xfed19fff] <6>[ 0.042567] PM: hibernation: Registered nosave memory: [mem 0xfed1a000-0xfed7ffff] <6>[ 0.042571] PM: hibernation: Registered nosave memory: [mem 0xfed80000-0xfed84fff] <6>[ 0.042575] PM: hibernation: Registered nosave memory: [mem 0xfed85000-0xfed8ffff] <6>[ 0.042579] PM: hibernation: Registered nosave memory: [mem 0xfed90000-0xfed91fff] <6>[ 0.042583] PM: hibernation: Registered nosave memory: [mem 0xfed92000-0xffffffff] <6>[ 0.042591] [mem 0x80000000-0xdfffffff] available for PCI devices <6>[ 0.042599] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1910969940391419 ns <6>[ 0.060083] setup_percpu: NR_CPUS:64 nr_cpumask_bits:64 nr_cpu_ids:4 nr_node_ids:1 <6>[ 0.060350] percpu: Embedded 59 pages/cpu s200848 r8192 d32624 u524288 <6>[ 0.060427] Built 1 zonelists, mobility grouping on. Total pages: 1006266 <6>[ 0.060431] Policy zone: Normal <5>[ 0.060445] 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/14570616/extract-nfsrootfs-olkap9bm,tcp,hard,v3 ip=dhcp tftpserverip=192.168.201.1 <6>[ 0.061009] Dentry cache hash table entries: 524288 (order: 10, 4194304 bytes, linear) <6>[ 0.061246] Inode-cache hash table entries: 262144 (order: 9, 2097152 bytes, linear) <6>[ 0.061332] mem auto-init: stack:off, heap alloc:off, heap free:off <6>[ 0.094059] Memory: 3859456K/4089052K available (22546K kernel code, 3715K rwdata, 24604K rodata, 2164K init, 13960K bss, 229336K reserved, 0K cma-reserved) <6>[ 0.094220] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1 <6>[ 0.094277] Kernel/User page tables isolation: enabled <6>[ 0.094397] ftrace: allocating 61810 entries in 242 pages <6>[ 0.159988] ftrace: allocated 242 pages with 5 groups <6>[ 0.160272] Running RCU self tests <6>[ 0.160288] rcu: Hierarchical RCU implementation. <6>[ 0.160292] rcu: RCU event tracing is enabled. <6>[ 0.160296] rcu: RCU lockdep checking is enabled. <6>[ 0.160301] rcu: RCU restricting CPUs from NR_CPUS=64 to nr_cpu_ids=4. <6>[ 0.160306] Rude variant of Tasks RCU enabled. <6>[ 0.160310] Tracing variant of Tasks RCU enabled. <6>[ 0.160314] rcu: RCU calculated value of scheduler-enlistment delay is 100 jiffies. <6>[ 0.160319] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=4 <6>[ 0.170088] NR_IRQS: 4352, nr_irqs: 1024, preallocated irqs: 16 <5>[ 0.170557] random: crng init done <6>[ 0.170665] Console: colour dummy device 80x25 <6>[ 0.244095] printk: console [ttyS0] enabled <4>[ 0.244486] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar <4>[ 0.245168] ... MAX_LOCKDEP_SUBCLASSES: 8 <4>[ 0.245549] ... MAX_LOCK_DEPTH: 48 <4>[ 0.245939] ... MAX_LOCKDEP_KEYS: 8192 <4>[ 0.246341] ... CLASSHASH_SIZE: 4096 <4>[ 0.246745] ... MAX_LOCKDEP_ENTRIES: 32768 <4>[ 0.247154] ... MAX_LOCKDEP_CHAINS: 65536 <4>[ 0.247562] ... CHAINHASH_SIZE: 32768 <4>[ 0.247975] memory used by lock dependency info: 6365 kB <4>[ 0.248462] memory used for stack traces: 4224 kB <4>[ 0.248900] per task-struct memory footprint: 1920 bytes <6>[ 0.249453] ACPI: Core revision 20200925 <6>[ 0.250029] hpet: HPET dysfunctional in PC10. Force disabled. <6>[ 0.250551] APIC: Switch to symmetric I/O mode setup <6>[ 0.255131] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x170fff30cc4, max_idle_ns: 440795237869 ns <6>[ 0.256071] Calibrating delay loop (skipped), value calculated using timer frequency.. 3199.92 BogoMIPS (lpj=1599960) <6>[ 0.257053] mce: CPU0: Thermal monitoring enabled (TM1) <6>[ 0.257053] process: using mwait in idle threads <6>[ 0.257053] Last level iTLB entries: 4KB 64, 2MB 8, 4MB 8 <6>[ 0.257053] Last level dTLB entries: 4KB 64, 2MB 0, 4MB 0, 1GB 4 <6>[ 0.257053] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization <6>[ 0.257053] Spectre V2 : Mitigation: IBRS <6>[ 0.257053] Spectre V2 : Spectre v2 / SpectreRSB mitigation: Filling RSB on context switch <6>[ 0.257053] Spectre V2 : Spectre v2 / SpectreRSB : Filling RSB on VMEXIT <6>[ 0.257053] RETBleed: Mitigation: IBRS <6>[ 0.257053] Spectre V2 : mitigation: Enabling conditional Indirect Branch Prediction Barrier <6>[ 0.257053] Spectre V2 : User space: Mitigation: STIBP via seccomp and prctl <6>[ 0.257053] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl and seccomp <6>[ 0.257053] MDS: Vulnerable: Clear CPU buffers attempted, no microcode <6>[ 0.257053] MMIO Stale Data: Vulnerable: Clear CPU buffers attempted, no microcode <6>[ 0.257053] SRBDS: Vulnerable: No microcode <6>[ 0.257053] GDS: Vulnerable: No microcode <6>[ 0.257053] x86/fpu: Supporting XSAVE feature 0x001: 'x87 floating point registers' <6>[ 0.257053] x86/fpu: Supporting XSAVE feature 0x002: 'SSE registers' <6>[ 0.257053] x86/fpu: Supporting XSAVE feature 0x004: 'AVX registers' <6>[ 0.257053] x86/fpu: Supporting XSAVE feature 0x008: 'MPX bounds registers' <6>[ 0.257053] x86/fpu: Supporting XSAVE feature 0x010: 'MPX CSR' <6>[ 0.257053] x86/fpu: xstate_offset[2]: 576, xstate_sizes[2]: 256 <6>[ 0.257053] x86/fpu: xstate_offset[3]: 832, xstate_sizes[3]: 64 <6>[ 0.257053] x86/fpu: xstate_offset[4]: 896, xstate_sizes[4]: 64 <6>[ 0.257053] x86/fpu: Enabled xstate features 0x1f, context size is 960 bytes, using 'compacted' format. <4>[ 0.257053] ------------[ cut here ]------------ <4>[ 0.257053] missing return thunk: lkdtm_rodata_do_nothing+0x0/0x10-lkdtm_rodata_do_nothing+0x5/0x10: e9 00 00 00 00 <4>[ 0.257053] WARNING: CPU: 0 PID: 0 at arch/x86/kernel/alternative.c:730 apply_returns+0x1c2/0x1e0 <4>[ 0.257053] Modules linked in: <4>[ 0.257053] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.10.218-cip49 #1 <4>[ 0.257053] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 0.257053] RIP: 0010:apply_returns+0x1c2/0x1e0 <4>[ 0.257053] Code: 80 3d c0 19 47 03 00 75 8b 49 89 e8 b9 05 00 00 00 4c 89 fa 48 89 ee 48 c7 c7 10 c3 1c 98 c6 05 a2 19 47 03 01 e8 44 99 15 01 <0f> 0b e9 63 ff ff ff e8 02 ef 1d 01 e9 c7 56 15 01 66 66 2e 0f 1f <4>[ 0.257053] RSP: 0000:ffffffff98603e30 EFLAGS: 00010286 <4>[ 0.257053] RAX: 0000000000000000 RBX: ffffffff9922c1f4 RCX: 0000000000000000 <4>[ 0.257053] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff95578671 <4>[ 0.257053] RBP: ffffffff97e40b60 R08: 0000000000000001 R09: 0000000000000001 <4>[ 0.257053] R10: ffffffff9868ffc0 R11: 3fffffffffffffff R12: ffffffff992451dc <4>[ 0.257053] R13: ffffffff98603ea8 R14: 0000000000000005 R15: ffffffff97e40b65 <4>[ 0.257053] FS: 0000000000000000(0000) GS:ffff8935bac00000(0000) knlGS:0000000000000000 <4>[ 0.257053] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 0.257053] CR2: ffff893573a01000 CR3: 0000000132026001 CR4: 00000000003706f0 <4>[ 0.257053] Call Trace: <4>[ 0.257053] ? __warn+0x80/0x110 <4>[ 0.257053] ? apply_returns+0x1c2/0x1e0 <4>[ 0.257053] ? report_bug+0x9e/0xc0 <4>[ 0.257053] ? __warn_printk+0x6c/0x8d <4>[ 0.257053] ? handle_bug+0x41/0x90 <4>[ 0.257053] ? exc_invalid_op+0x14/0x70 <4>[ 0.257053] ? asm_exc_invalid_op+0x12/0x20 <4>[ 0.257053] ? console_unlock+0x4d1/0x5f0 <4>[ 0.257053] ? apply_returns+0x1c2/0x1e0 <4>[ 0.257053] alternative_instructions+0x7d/0x143 <4>[ 0.257053] arch_cpu_finalize_init+0x28/0x47 <4>[ 0.257053] start_kernel+0x4ad/0x557 <4>[ 0.257053] secondary_startup_64_no_verify+0xbe/0xcb <4>[ 0.257053] irq event stamp: 199445 <4>[ 0.257053] hardirqs last enabled at (199453): [] console_unlock+0x4d1/0x5f0 <4>[ 0.257053] hardirqs last disabled at (199460): [] console_unlock+0x444/0x5f0 <4>[ 0.257053] softirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 0.257053] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 0.257053] ---[ end trace dd4facc418e79299 ]--- <6>[ 0.257053] Freeing SMP alternatives memory: 48K <6>[ 0.257053] pid_max: default: 32768 minimum: 301 <6>[ 0.257053] LSM: Security Framework initializing <6>[ 0.257053] SELinux: Initializing. <6>[ 0.257053] LSM support for eBPF active <6>[ 0.257053] Mount-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) <6>[ 0.257053] Mountpoint-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) <6>[ 0.257053] smpboot: CPU0: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz (family: 0x6, model: 0x8e, stepping: 0x9) <6>[ 0.257670] Performance Events: PEBS fmt3+, Skylake events, 32-deep LBR, full-width counters, Intel PMU driver. <6>[ 0.258069] ... version: 4 <6>[ 0.258447] ... bit width: 48 <6>[ 0.258830] ... generic registers: 4 <6>[ 0.259060] ... value mask: 0000ffffffffffff <6>[ 0.259543] ... max period: 00007fffffffffff <6>[ 0.260025] ... fixed-purpose events: 3 <6>[ 0.260058] ... event mask: 000000070000000f <6>[ 0.261058] rcu: Hierarchical SRCU implementation. <6>[ 0.263552] smp: Bringing up secondary CPUs ... <6>[ 0.264721] x86: Booting SMP configuration: <6>[ 0.265072] .... node #0, CPUs: #1 <4>[ 0.266157] 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>[ 0.267070] 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>[ 0.268696] #2 #3 <6>[ 0.271119] smp: Brought up 1 node, 4 CPUs <6>[ 0.271713] smpboot: Max logical packages: 1 <6>[ 0.272063] smpboot: Total of 4 processors activated (12799.68 BogoMIPS) <6>[ 0.275445] devtmpfs: initialized <6>[ 0.276447] x86/mm: Memory block size: 128MB <6>[ 0.281116] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1911260446275000 ns <6>[ 0.282073] futex hash table entries: 1024 (order: 5, 131072 bytes, linear) <6>[ 0.283206] pinctrl core: initialized pinctrl subsystem <6>[ 0.284811] PM: RTC time: 19:25:00, date: 2024-06-25 <6>[ 0.285711] NET: Registered protocol family 16 <6>[ 0.286899] audit: initializing netlink subsys (disabled) <5>[ 0.287121] audit: type=2000 audit(1719343500.031:1): state=initialized audit_enabled=0 res=1 <6>[ 0.288699] thermal_sys: Registered thermal governor 'step_wise' <6>[ 0.288705] thermal_sys: Registered thermal governor 'user_space' <6>[ 0.289166] cpuidle: using governor menu <6>[ 0.290327] ACPI: bus type PCI registered <6>[ 0.291106] PCI: MMCONFIG for domain 0000 [bus 00-3f] at [mem 0xe0000000-0xe3ffffff] (base 0xe0000000) <6>[ 0.291929] PCI: MMCONFIG at [mem 0xe0000000-0xe3ffffff] reserved in E820 <6>[ 0.292098] PCI: Using configuration type 1 for base access <6>[ 0.328943] Kprobes globally optimized <6>[ 0.329198] HugeTLB registered 1.00 GiB page size, pre-allocated 0 pages <6>[ 0.330067] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages <6>[ 0.331122] cryptomgr_test (38) used greatest stack depth: 14880 bytes left <6>[ 0.334135] ACPI: Added _OSI(Module Device) <6>[ 0.334531] ACPI: Added _OSI(Processor Device) <6>[ 0.334946] ACPI: Added _OSI(3.0 _SCP Extensions) <6>[ 0.335061] ACPI: Added _OSI(Processor Aggregator Device) <6>[ 0.335555] ACPI: Added _OSI(Linux-Dell-Video) <6>[ 0.335968] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio) <6>[ 0.336065] ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics) <6>[ 0.348681] ACPI: 2 ACPI AML tables successfully acquired and loaded <6>[ 0.356679] ACPI: EC: EC started <6>[ 0.357013] ACPI: EC: interrupt blocked <6>[ 0.358809] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62 <6>[ 0.359063] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC used to handle transactions <6>[ 0.359721] ACPI: Interpreter enabled <6>[ 0.360129] ACPI: (supports S0 S3 S4 S5) <6>[ 0.360502] ACPI: Using IOAPIC for interrupt routing <6>[ 0.361035] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug <6>[ 0.378962] ACPI: Power Resource [PRIC] (on) <6>[ 0.504333] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) <6>[ 0.504902] acpi PNP0A08:00: _OSC: OS supports [ExtendedConfig ASPM ClockPM Segments MSI HPX-Type3] <6>[ 0.506360] acpi PNP0A08:00: _OSC: OS now controls [PME PCIeCapability LTR] <6>[ 0.507053] acpi PNP0A08:00: [Firmware Info]: MMCONFIG for domain 0000 [bus 00-3f] only partially covers this bridge <6>[ 0.508610] PCI host bridge to bus 0000:00 <6>[ 0.508999] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] <6>[ 0.509062] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] <6>[ 0.509670] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] <6>[ 0.510060] pci_bus 0000:00: root bus resource [mem 0x000c0000-0x000c3fff window] <6>[ 0.510724] pci_bus 0000:00: root bus resource [mem 0x000c4000-0x000c7fff window] <6>[ 0.512061] pci_bus 0000:00: root bus resource [mem 0x000c8000-0x000cbfff window] <6>[ 0.512724] pci_bus 0000:00: root bus resource [mem 0x000cc000-0x000cffff window] <6>[ 0.513060] pci_bus 0000:00: root bus resource [mem 0x000d0000-0x000d3fff window] <6>[ 0.513724] pci_bus 0000:00: root bus resource [mem 0x000d4000-0x000d7fff window] <6>[ 0.514060] pci_bus 0000:00: root bus resource [mem 0x000d8000-0x000dbfff window] <6>[ 0.514727] pci_bus 0000:00: root bus resource [mem 0x000dc000-0x000dffff window] <6>[ 0.516061] pci_bus 0000:00: root bus resource [mem 0x000e0000-0x000e3fff window] <6>[ 0.516725] pci_bus 0000:00: root bus resource [mem 0x000e4000-0x000e7fff window] <6>[ 0.517060] pci_bus 0000:00: root bus resource [mem 0x000e8000-0x000ebfff window] <6>[ 0.517725] pci_bus 0000:00: root bus resource [mem 0x000ec000-0x000effff window] <6>[ 0.518060] pci_bus 0000:00: root bus resource [mem 0x000f0000-0x000fffff window] <6>[ 0.518726] pci_bus 0000:00: root bus resource [mem 0x80000001-0xdfffffff window] <6>[ 0.520061] pci_bus 0000:00: root bus resource [mem 0x800000000-0xbffffffff window] <6>[ 0.520738] pci_bus 0000:00: root bus resource [mem 0xfd000000-0xfe7fffff window] <6>[ 0.521060] pci_bus 0000:00: root bus resource [mem 0xfed40000-0xfed44fff window] <6>[ 0.521727] pci_bus 0000:00: root bus resource [bus 00-ff] <6>[ 0.522158] pci 0000:00:00.0: [8086:590c] type 00 class 0x060000 <6>[ 0.523777] pci 0000:00:02.0: [8086:591c] type 00 class 0x030000 <6>[ 0.525085] pci 0000:00:02.0: reg 0x10: [mem 0xd0000000-0xd0ffffff 64bit] <6>[ 0.525706] pci 0000:00:02.0: reg 0x18: [mem 0xc0000000-0xcfffffff 64bit pref] <6>[ 0.526069] pci 0000:00:02.0: reg 0x20: [io 0x1c00-0x1c3f] <6>[ 0.527228] pci 0000:00:04.0: [8086:1903] type 00 class 0x118000 <6>[ 0.527794] pci 0000:00:04.0: reg 0x10: [mem 0xd1120000-0xd1127fff 64bit] <6>[ 0.528853] pci 0000:00:08.0: [8086:1911] type 00 class 0x088000 <6>[ 0.529086] pci 0000:00:08.0: reg 0x10: [mem 0xd1130000-0xd1130fff 64bit] <6>[ 0.530372] pci 0000:00:14.0: [8086:9d2f] type 00 class 0x0c0330 <6>[ 0.530943] pci 0000:00:14.0: reg 0x10: [mem 0xd1100000-0xd110ffff 64bit] <6>[ 0.532212] pci 0000:00:14.0: PME# supported from D3hot D3cold <6>[ 0.533507] pci 0000:00:14.2: [8086:9d31] type 00 class 0x118000 <6>[ 0.534090] pci 0000:00:14.2: reg 0x10: [mem 0xd1131000-0xd1131fff 64bit] <6>[ 0.535385] pci 0000:00:15.0: [8086:9d60] type 00 class 0x118000 <6>[ 0.535965] pci 0000:00:15.0: reg 0x10: [mem 0xd1132000-0xd1132fff 64bit] <6>[ 0.536894] pci 0000:00:15.1: [8086:9d61] type 00 class 0x118000 <6>[ 0.538107] pci 0000:00:15.1: reg 0x10: [mem 0xd1133000-0xd1133fff 64bit] <6>[ 0.539572] pci 0000:00:19.0: [8086:9d66] type 00 class 0x118000 <6>[ 0.540106] pci 0000:00:19.0: reg 0x10: [mem 0xfe034000-0xfe034fff 64bit] <6>[ 0.540739] pci 0000:00:19.0: reg 0x18: [mem 0xd1135000-0xd1135fff 64bit] <6>[ 0.541871] pci 0000:00:19.1: [8086:9d65] type 00 class 0x118000 <6>[ 0.543107] pci 0000:00:19.1: reg 0x10: [mem 0xd1136000-0xd1136fff 64bit] <6>[ 0.544571] pci 0000:00:1c.0: [8086:9d10] type 01 class 0x060400 <6>[ 0.545261] pci 0000:00:1c.0: PME# supported from D0 D3hot D3cold <6>[ 0.546583] pci 0000:00:1e.0: [8086:9d27] type 00 class 0x118000 <6>[ 0.547106] pci 0000:00:1e.0: reg 0x10: [mem 0xd1137000-0xd1137fff 64bit] <6>[ 0.548535] pci 0000:00:1e.2: [8086:9d29] type 00 class 0x118000 <6>[ 0.549106] pci 0000:00:1e.2: reg 0x10: [mem 0xd1138000-0xd1138fff 64bit] <6>[ 0.550530] pci 0000:00:1e.4: [8086:9d2b] type 00 class 0x080501 <6>[ 0.551106] pci 0000:00:1e.4: reg 0x10: [mem 0xd1139000-0xd1139fff 64bit] <6>[ 0.552627] pci 0000:00:1e.6: [8086:9d2d] type 00 class 0x080501 <6>[ 0.553100] pci 0000:00:1e.6: reg 0x10: [mem 0xd113a000-0xd113afff 64bit] <6>[ 0.554507] pci 0000:00:1f.0: [8086:9d4b] type 00 class 0x060100 <6>[ 0.555839] pci 0000:00:1f.2: [8086:9d21] type 00 class 0x058000 <6>[ 0.556092] pci 0000:00:1f.2: reg 0x10: [mem 0xd1128000-0xd112bfff] <6>[ 0.557429] pci 0000:00:1f.3: [8086:9d71] type 00 class 0x040100 <6>[ 0.558009] pci 0000:00:1f.3: reg 0x10: [mem 0xd112c000-0xd112ffff 64bit] <6>[ 0.559120] pci 0000:00:1f.3: reg 0x20: [mem 0xd1110000-0xd111ffff 64bit] <6>[ 0.559829] pci 0000:00:1f.3: PME# supported from D3hot D3cold <6>[ 0.560823] pci 0000:00:1f.4: [8086:9d23] type 00 class 0x0c0500 <6>[ 0.561125] pci 0000:00:1f.4: reg 0x10: [mem 0xd113c000-0xd113c0ff 64bit] <6>[ 0.561802] pci 0000:00:1f.4: reg 0x20: [io 0xefa0-0xefbf] <6>[ 0.563795] pci 0000:00:1f.5: [8086:9d24] type 00 class 0x000000 <6>[ 0.564093] pci 0000:00:1f.5: reg 0x10: [mem 0xfe010000-0xfe010fff] <6>[ 0.565711] pci 0000:01:00.0: [8086:095a] type 00 class 0x028000 <6>[ 0.566310] pci 0000:01:00.0: reg 0x10: [mem 0xd1000000-0xd1001fff 64bit] <6>[ 0.567879] pci 0000:01:00.0: PME# supported from D0 D3hot D3cold <6>[ 0.570035] pci 0000:00:1c.0: PCI bridge to [bus 01] <6>[ 0.571078] pci 0000:00:1c.0: bridge window [mem 0xd1000000-0xd10fffff] <6>[ 0.573050] ACPI: PCI Interrupt Link [LNKA] (IRQs 3 4 5 6 10 12 14 15) *11 <6>[ 0.574008] ACPI: PCI Interrupt Link [LNKB] (IRQs 3 4 5 6 *10 12 14 15) <6>[ 0.574333] ACPI: PCI Interrupt Link [LNKC] (IRQs 3 4 5 6 10 12 14 15) *11 <6>[ 0.575254] ACPI: PCI Interrupt Link [LNKD] (IRQs 3 4 5 6 10 12 14 15) *11 <6>[ 0.576178] ACPI: PCI Interrupt Link [LNKE] (IRQs 3 4 5 6 10 12 14 15) *11 <6>[ 0.577101] ACPI: PCI Interrupt Link [LNKF] (IRQs 3 4 5 6 10 12 14 15) *11 <6>[ 0.578020] ACPI: PCI Interrupt Link [LNKG] (IRQs 3 4 5 6 10 12 14 15) *11 <6>[ 0.579331] ACPI: PCI Interrupt Link [LNKH] (IRQs 3 4 5 6 10 12 14 15) *11 <6>[ 0.586429] ACPI: EC: interrupt unblocked <6>[ 0.586820] ACPI: EC: event unblocked <6>[ 0.587059] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62 <6>[ 0.587528] ACPI: EC: GPE=0x6e <6>[ 0.587829] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC initialization complete <6>[ 0.589063] ACPI: \_SB_.PCI0.LPCB.EC0_: EC: Used to handle transactions and events <6>[ 0.590167] iommu: Default domain type: Translated <6>[ 0.591127] pci 0000:00:02.0: vgaarb: setting as boot VGA device <6>[ 0.591691] pci 0000:00:02.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none <6>[ 0.592087] pci 0000:00:02.0: vgaarb: bridge control possible <6>[ 0.592609] vgaarb: loaded <5>[ 0.593482] SCSI subsystem initialized <6>[ 0.594204] ACPI: bus type USB registered <6>[ 0.594710] usbcore: registered new interface driver usbfs <6>[ 0.595124] usbcore: registered new interface driver hub <6>[ 0.595648] usbcore: registered new device driver usb <6>[ 0.596182] mc: Linux media interface: v0.10 <6>[ 0.596609] videodev: Linux video capture interface: v2.00 <6>[ 0.597096] pps_core: LinuxPPS API ver. 1 registered <6>[ 0.597554] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <6>[ 0.599070] PTP clock support registered <6>[ 0.599503] Advanced Linux Sound Architecture Driver Initialized. <6>[ 0.601067] NetLabel: Initializing <6>[ 0.601397] NetLabel: domain hash size = 128 <6>[ 0.601801] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO <6>[ 0.602138] NetLabel: unlabeled traffic allowed by default <6>[ 0.603199] PCI: Using ACPI for IRQ routing <6>[ 0.611059] clocksource: Switched to clocksource tsc-early <5>[ 1.065478] VFS: Disk quotas dquot_6.6.0 <6>[ 1.065921] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) <6>[ 1.066984] pnp: PnP ACPI init <6>[ 1.068096] system 00:00: [mem 0xfed10000-0xfed17fff] has been reserved <6>[ 1.068716] system 00:00: [mem 0xfed18000-0xfed18fff] has been reserved <6>[ 1.069313] system 00:00: [mem 0xfed19000-0xfed19fff] has been reserved <6>[ 1.069918] system 00:00: [mem 0xe0000000-0xe3ffffff] has been reserved <6>[ 1.070514] system 00:00: [mem 0xfed20000-0xfed3ffff] has been reserved <6>[ 1.071124] system 00:00: [mem 0xfed90000-0xfed93fff] could not be reserved <6>[ 1.071760] system 00:00: [mem 0xfed45000-0xfed8ffff] could not be reserved <6>[ 1.072386] system 00:00: [mem 0xff000000-0xffffffff] has been reserved <6>[ 1.072992] system 00:00: [mem 0xfee00000-0xfeefffff] has been reserved <6>[ 1.073600] system 00:00: [mem 0xfed00000-0xfed003ff] has been reserved <6>[ 1.075111] system 00:01: [io 0x1800-0x18fe] has been reserved <6>[ 1.076039] system 00:03: [io 0x0900-0x09fe] has been reserved <6>[ 1.076839] system 00:04: [io 0x0200] has been reserved <6>[ 1.077330] system 00:04: [io 0x0204] has been reserved <6>[ 1.077831] system 00:04: [io 0x0800-0x087f] has been reserved <6>[ 1.078370] system 00:04: [io 0x0880-0x08ff] has been reserved <6>[ 1.081265] pnp: PnP ACPI: found 6 devices <6>[ 1.095660] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns <6>[ 1.096589] NET: Registered protocol family 2 <6>[ 1.097157] IP idents hash table entries: 65536 (order: 7, 524288 bytes, linear) <6>[ 1.099559] tcp_listen_portaddr_hash hash table entries: 2048 (order: 5, 163840 bytes, linear) <6>[ 1.100571] TCP established hash table entries: 32768 (order: 6, 262144 bytes, linear) <6>[ 1.101479] TCP bind hash table entries: 32768 (order: 9, 2359296 bytes, linear) <6>[ 1.104210] TCP: Hash tables configured (established 32768 bind 32768) <6>[ 1.105135] MPTCP token hash table entries: 4096 (order: 6, 360448 bytes, linear) <6>[ 1.106117] UDP hash table entries: 2048 (order: 6, 327680 bytes, linear) <6>[ 1.107015] UDP-Lite hash table entries: 2048 (order: 6, 327680 bytes, linear) <6>[ 1.108090] NET: Registered protocol family 1 <6>[ 1.109185] RPC: Registered named UNIX socket transport module. <6>[ 1.109768] RPC: Registered udp transport module. <6>[ 1.110206] RPC: Registered tcp transport module. <6>[ 1.110650] RPC: Registered tcp NFSv4.1 backchannel transport module. <6>[ 1.111840] NET: Registered protocol family 44 <6>[ 1.112274] pci 0000:00:1c.0: PCI bridge to [bus 01] <6>[ 1.112770] pci 0000:00:1c.0: bridge window [mem 0xd1000000-0xd10fffff] <6>[ 1.113391] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7 window] <6>[ 1.113957] pci_bus 0000:00: resource 5 [io 0x0d00-0xffff window] <6>[ 1.114517] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window] <6>[ 1.115205] pci_bus 0000:00: resource 7 [mem 0x000c0000-0x000c3fff window] <6>[ 1.115832] pci_bus 0000:00: resource 8 [mem 0x000c4000-0x000c7fff window] <6>[ 1.116448] pci_bus 0000:00: resource 9 [mem 0x000c8000-0x000cbfff window] <6>[ 1.117071] pci_bus 0000:00: resource 10 [mem 0x000cc000-0x000cffff window] <6>[ 1.117700] pci_bus 0000:00: resource 11 [mem 0x000d0000-0x000d3fff window] <6>[ 1.118320] pci_bus 0000:00: resource 12 [mem 0x000d4000-0x000d7fff window] <6>[ 1.118949] pci_bus 0000:00: resource 13 [mem 0x000d8000-0x000dbfff window] <6>[ 1.119620] pci_bus 0000:00: resource 14 [mem 0x000dc000-0x000dffff window] <6>[ 1.120241] pci_bus 0000:00: resource 15 [mem 0x000e0000-0x000e3fff window] <6>[ 1.120871] pci_bus 0000:00: resource 16 [mem 0x000e4000-0x000e7fff window] <6>[ 1.121495] pci_bus 0000:00: resource 17 [mem 0x000e8000-0x000ebfff window] <6>[ 1.122124] pci_bus 0000:00: resource 18 [mem 0x000ec000-0x000effff window] <6>[ 1.122755] pci_bus 0000:00: resource 19 [mem 0x000f0000-0x000fffff window] <6>[ 1.123376] pci_bus 0000:00: resource 20 [mem 0x80000001-0xdfffffff window] <6>[ 1.124006] pci_bus 0000:00: resource 21 [mem 0x800000000-0xbffffffff window] <6>[ 1.124652] pci_bus 0000:00: resource 22 [mem 0xfd000000-0xfe7fffff window] <6>[ 1.125275] pci_bus 0000:00: resource 23 [mem 0xfed40000-0xfed44fff window] <6>[ 1.125903] pci_bus 0000:01: resource 1 [mem 0xd1000000-0xd10fffff] <6>[ 1.126947] pci 0000:00:02.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff] <6>[ 1.129641] PCI: CLS 64 bytes, default 64 <6>[ 1.130407] Unpacking initramfs... <6>[ 1.657873] Freeing initrd memory: 12760K <6>[ 1.658329] DMAR: Host address width 39 <6>[ 1.658740] DMAR: DRHD base: 0x000000fed90000 flags: 0x0 <6>[ 1.659290] DMAR: dmar0: reg_base_addr fed90000 ver 1:0 cap 1c0000c40660462 ecap 19e2ff0505e <6>[ 1.660048] DMAR: RMRR base: 0x0000007b800000 end: 0x0000007fffffff <6>[ 1.660624] DMAR: DRHD base: 0x000000fed91000 flags: 0x1 <6>[ 1.661129] DMAR: dmar1: reg_base_addr fed91000 ver 1:0 cap d2008c40660462 ecap f050da <6>[ 1.661941] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) <6>[ 1.662524] software IO TLB: mapped [mem 0x0000000076998000-0x000000007a998000] (64MB) <6>[ 1.663476] RAPL PMU: API unit is 2^-32 Joules, 5 fixed counters, 655360 ms ovfl timer <6>[ 1.664201] RAPL PMU: hw unit of domain pp0-core 2^-14 Joules <6>[ 1.664759] RAPL PMU: hw unit of domain package 2^-14 Joules <6>[ 1.665271] RAPL PMU: hw unit of domain dram 2^-14 Joules <6>[ 1.665771] RAPL PMU: hw unit of domain pp1-gpu 2^-14 Joules <6>[ 1.666283] RAPL PMU: hw unit of domain psys 2^-14 Joules <3>[ 1.668489] kvm: already loaded the other module <6>[ 1.685831] check: Scanning for low memory corruption every 60 seconds <5>[ 1.689588] Initialise system trusted keyrings <6>[ 1.690240] workingset: timestamp_bits=56 max_order=20 bucket_order=0 <5>[ 1.710174] NFS: Registering the id_resolver key type <5>[ 1.710696] Key type id_resolver registered <5>[ 1.711117] Key type id_legacy registered <5>[ 1.732065] Key type asymmetric registered <5>[ 1.732483] Asymmetric key parser 'x509' registered <6>[ 1.733006] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 248) <6>[ 1.733695] io scheduler mq-deadline registered <6>[ 1.734117] io scheduler kyber registered <4>[ 1.734722] test_firmware: interface ready <6>[ 1.736645] pcieport 0000:00:1c.0: PME: Signaling with IRQ 120 <6>[ 1.738507] ACPI: AC Adapter [AC] (on-line) <6>[ 1.739303] input: Lid Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:03/PNP0C09:00/PNP0C0D:00/input/input0 <6>[ 1.741104] ACPI: Lid Switch [LID0] <6>[ 1.741708] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input1 <6>[ 1.742644] ACPI: Power Button [PWRF] <6>[ 1.743425] ACPI: \_PR_.CP00: Found 3 idle states <6>[ 1.744625] ACPI: \_PR_.CP01: Found 3 idle states <6>[ 1.745618] ACPI: \_PR_.CP02: Found 3 idle states <6>[ 1.746662] ACPI: \_PR_.CP03: Found 3 idle states <6>[ 1.748223] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled <4>[ 1.752169] hpet_acpi_add: no address or irqs in _CRS <6>[ 1.753005] Non-volatile memory driver v1.3 <6>[ 1.753244] battery: ACPI: Battery Slot [BAT0] (battery present) <6>[ 1.753593] Linux agpgart interface v0.103 <6>[ 1.754729] ACPI: bus type drm_connector registered <6>[ 1.755329] [drm] amdgpu kernel modesetting enabled. <6>[ 1.758450] i915 0000:00:02.0: vgaarb: deactivate vga console <6>[ 1.812672] i915 0000:00:02.0: vgaarb: changed VGA decodes: olddecodes=io+mem,decodes=io+mem:owns=io+mem <6>[ 1.814451] i915 0000:00:02.0: [drm] Finished loading DMC firmware i915/kbl_dmc_ver1_04.bin (v1.4) <6>[ 1.855139] [drm] Initialized i915 1.6.0 20200917 for 0000:00:02.0 on minor 0 <6>[ 1.858967] [drm] Initialized vgem 1.0.0 20120112 for vgem on minor 1 <6>[ 1.874695] loop: module loaded <6>[ 1.875840] lkdtm: No crash points registered, enable through debugfs <6>[ 1.899834] printk: console [ttyS0] disabled <6>[ 1.900643] dw-apb-uart.2: ttyS0 at MMIO 0xfe034000 (irq = 32, base_baud = 115200) is a 16550A <6>[ 2.720794] tsc: Refined TSC clocksource calibration: 1608.000 MHz <6>[ 2.737447] printk: console [ttyS0] enabled <6>[ 2.746600] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x172daa3a18b, max_idle_ns: 440795212390 ns <6>[ 2.768274] dw-apb-uart.4: ttyS1 at MMIO 0xd1137000 (irq = 20, base_baud = 115200) is a 16550A <6>[ 5.534340] clocksource: Switched to clocksource tsc <6>[ 5.534588] fbcon: i915drmfb (fb0) is primary device <4>[ 5.537108] pxa2xx-spi pxa2xx-spi.5: no DMA channels available, using PIO <6>[ 5.545540] e100: Intel(R) PRO/100 Network Driver <6>[ 5.545560] e100: Copyright(c) 1999-2006 Intel Corporation <6>[ 5.545626] e1000: Intel(R) PRO/1000 Network Driver <6>[ 5.545628] e1000: Copyright (c) 1999-2006 Intel Corporation. <6>[ 5.545708] e1000e: Intel(R) PRO/1000 Network Driver <6>[ 5.545710] e1000e: Copyright(c) 1999 - 2015 Intel Corporation. <6>[ 5.545796] sky2: driver version 1.30 <6>[ 5.546143] usbcore: registered new interface driver r8152 <6>[ 5.546224] usbcore: registered new interface driver asix <6>[ 5.546281] usbcore: registered new interface driver ax88179_178a <6>[ 5.546319] usbcore: registered new interface driver cdc_ether <6>[ 5.546356] usbcore: registered new interface driver net1080 <6>[ 5.546395] usbcore: registered new interface driver cdc_subset <6>[ 5.546433] usbcore: registered new interface driver zaurus <6>[ 5.546490] usbcore: registered new interface driver cdc_ncm <6>[ 5.547022] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver <6>[ 5.547052] ehci-pci: EHCI PCI platform driver <6>[ 5.547129] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver <6>[ 5.547146] ohci-pci: OHCI PCI platform driver <6>[ 5.547207] uhci_hcd: USB Universal Host Controller Interface driver <6>[ 5.548410] tpm_tis_spi spi-PRP0001:00: TPM ready IRQ confirmed on attempt 2 <6>[ 5.549057] xhci_hcd 0000:00:14.0: xHCI Host Controller <6>[ 5.550821] xhci_hcd 0000:00:14.0: new USB bus registered, assigned bus number 1 <6>[ 5.552431] xhci_hcd 0000:00:14.0: hcc params 0x200077c1 hci version 0x100 quirks 0x0000000081109810 <6>[ 5.552483] xhci_hcd 0000:00:14.0: cache line size of 64 is not supported <6>[ 5.555197] xhci_hcd 0000:00:14.0: xHCI Host Controller <6>[ 5.555808] xhci_hcd 0000:00:14.0: new USB bus registered, assigned bus number 2 <6>[ 5.555828] xhci_hcd 0000:00:14.0: Host supports USB 3.0 SuperSpeed <6>[ 5.556508] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.10 <6>[ 5.556534] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1 <6>[ 5.556625] usb usb1: Product: xHCI Host Controller <6>[ 5.556629] usb usb1: Manufacturer: Linux 5.10.218-cip49 xhci-hcd <6>[ 5.556633] usb usb1: SerialNumber: 0000:00:14.0 <6>[ 5.559085] hub 1-0:1.0: USB hub found <6>[ 5.559361] hub 1-0:1.0: 12 ports detected <6>[ 5.564307] usb usb2: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.10 <6>[ 5.564312] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1 <6>[ 5.564316] usb usb2: Product: xHCI Host Controller <6>[ 5.564319] usb usb2: Manufacturer: Linux 5.10.218-cip49 xhci-hcd <6>[ 5.564322] usb usb2: SerialNumber: 0000:00:14.0 <6>[ 5.565451] hub 2-0:1.0: USB hub found <6>[ 5.565505] hub 2-0:1.0: 6 ports detected <6>[ 5.568199] usbcore: registered new interface driver usblp <6>[ 5.568307] usbcore: registered new interface driver usb-storage <6>[ 5.569087] udc-core: couldn't find an available UDC - added [g_ether] to list of pending drivers <6>[ 5.569351] i8042: PNP: PS/2 Controller [PNP0303:PS2K] at 0x60,0x64 irq 1 <4>[ 5.569372] i8042: PNP: PS/2 appears to have AUX port disabled, if this is incorrect please boot with i8042.nopnp <4>[ 5.570240] i8042: Warning: Keylock active <6>[ 5.570642] serio: i8042 KBD port at 0x60,0x64 irq 1 <6>[ 5.573271] rtc_cmos 00:02: RTC can wake from S4 <6>[ 5.575509] Console: switching to colour frame buffer device 240x67 <6>[ 5.575607] rtc_cmos 00:02: registered as rtc0 <6>[ 5.575613] tpm_tis_spi spi-PRP0001:00: 2.0 TPM (device-id 0x28, rev-id 0) <6>[ 5.576085] rtc_cmos 00:02: alarms up to one month, 242 bytes nvram <6>[ 5.576189] input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input2 <6>[ 5.577950] i801_smbus 0000:00:1f.4: SPD Write Disable is set <6>[ 5.578035] i801_smbus 0000:00:1f.4: SMBus using PCI interrupt <6>[ 5.579302] i2c i2c-9: 2/2 memory slots populated (from DMI) <6>[ 5.581456] device-mapper: ioctl: 4.43.0-ioctl (2020-10-01) initialised: dm-devel@redhat.com <6>[ 5.581518] intel_pstate: Intel P-state driver initializing <6>[ 5.582879] intel_pstate: HWP enabled <6>[ 5.582918] sdhci: Secure Digital Host Controller Interface driver <6>[ 5.582919] sdhci: Copyright(c) Pierre Ossman <6>[ 5.582951] sdhci-pci 0000:00:1e.4: SDHCI controller found [8086:9d2b] (rev 21) <6>[ 5.584213] mmc0: SDHCI controller on PCI [0000:00:1e.4] using ADMA 64-bit <6>[ 5.584395] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 5.585870] hid: raw HID events driver (C) Jiri Kosina <6>[ 5.586437] usbcore: registered new interface driver usbhid <6>[ 5.586438] usbhid: USB HID core driver <6>[ 5.587127] input: Tablet Mode Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:03/PNP0C09:00/GOOG0006:00/input/input3 <6>[ 5.592812] i915 0000:00:02.0: [drm] fb0: i915drmfb frame buffer device <6>[ 5.737917] mmc0: new HS400 MMC card at address 0001 <6>[ 5.748950] cros_ec_lpcs GOOG0004:00: Chrome EC device registered <6>[ 5.750010] mmcblk0: mmc0:0001 DA4064 58.2 GiB <6>[ 5.758648] snd_hda_intel 0000:00:1f.3: DSP detected with PCI class/subclass/prog-if info 0x040100 <6>[ 5.768555] mmcblk0boot0: mmc0:0001 DA4064 partition 1 4.00 MiB <6>[ 5.777256] ipip: IPv4 and MPLS over IPv4 tunneling driver <6>[ 5.782572] mmcblk0boot1: mmc0:0001 DA4064 partition 2 4.00 MiB <6>[ 5.791329] IPv4 over IPsec tunneling driver <6>[ 5.798737] mmcblk0rpmb: mmc0:0001 DA4064 partition 3 16.0 MiB, chardev (245:0) <6>[ 5.808174] Initializing XFRM netlink socket <6>[ 5.828574] tpm_tis_spi spi-PRP0001:00: Cr50 firmware version: B2-C:0 RO_B:0.0.11/4d655eab RW_B:0.5.5/cr50_v1.9308_87_mp.479-d7 <6>[ 5.829934] NET: Registered protocol family 10 <6>[ 5.836527] mmcblk0: p1 p2 p3 p4 p5 p6 p7 p8 p9 p10 p11 p12 <6>[ 5.839913] Segment Routing with IPv6 <6>[ 5.865594] usb 1-3: new full-speed USB device number 2 using xhci_hcd <6>[ 5.868356] NET: Registered protocol family 17 <6>[ 6.002892] usb 1-3: New USB device found, idVendor=8087, idProduct=0a2a, bcdDevice= 0.03 <6>[ 6.007181] 8021q: 802.1Q VLAN Support v1.8 <6>[ 6.016792] usb 1-3: New USB device strings: Mfr=0, Product=0, SerialNumber=0 <6>[ 6.116481] usb 2-3: new SuperSpeed Gen 1 USB device number 2 using xhci_hcd <5>[ 6.121866] Key type dns_resolver registered <6>[ 6.144430] usb 2-3: New USB device found, idVendor=0bda, idProduct=8153, bcdDevice=31.00 <6>[ 6.223116] snd_hda_intel 0000:00:1f.3: bound 0000:00:02.0 (ops i915_audio_component_bind_ops) <6>[ 6.227985] usb 2-3: New USB device strings: Mfr=1, Product=2, SerialNumber=6 <6>[ 6.227987] usb 2-3: Product: USB 10/100/1000 LAN <6>[ 6.227988] usb 2-3: Manufacturer: Realtek <6>[ 6.227990] usb 2-3: SerialNumber: 001000001 <6>[ 6.228462] microcode: sig=0x806e9, pf=0x10, revision=0x98 <6>[ 6.279556] usb 1-9: new high-speed USB device number 3 using xhci_hcd <3>[ 6.284213] snd_hda_intel 0000:00:1f.3: Cannot probe codecs, giving up <6>[ 6.287546] microcode: Microcode Update Driver: v2.2. <6>[ 6.314248] IPI shorthand broadcast: enabled <6>[ 6.325355] sched_clock: Marking stable (6239760517, 85537686)->(6439112532, -113814329) <6>[ 6.334909] registered taskstats version 1 <5>[ 6.339807] Loading compiled-in X.509 certificates <6>[ 6.346942] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 6.356756] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 6.366394] PM: Magic number: 12:270:446 <6>[ 6.371440] printk: console [netcon0] enabled <6>[ 6.376597] netconsole: network logging started <6>[ 6.449380] usb 1-9: New USB device found, idVendor=13d3, idProduct=56d4, bcdDevice=18.07 <6>[ 6.458844] usb 1-9: New USB device strings: Mfr=3, Product=1, SerialNumber=2 <6>[ 6.467157] usb 1-9: Product: USB2.0 HD UVC WebCam <6>[ 6.472815] usb 1-9: Manufacturer: Azurewave <6>[ 6.477898] usb 1-9: SerialNumber: 0x0001 <6>[ 6.490010] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 6.535518] usb 2-3: reset SuperSpeed Gen 1 USB device number 2 using xhci_hcd <6>[ 6.587147] r8152 2-3:1.0: load rtl8153b-2 v2 04/27/23 successfully <6>[ 6.627702] r8152 2-3:1.0 eth0: v1.11.11 <6>[ 6.633147] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 8.229884] r8152 2-3:1.0 eth0: carrier on <6>[ 8.234990] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready <5>[ 8.246690] Sending DHCP requests .., OK <6>[ 10.516371] IP-Config: Got DHCP answer from 192.168.201.1, my address is 192.168.201.18 <6>[ 10.525662] IP-Config: Complete: <6>[ 10.529597] device=eth0, hwaddr=00:e0:4c:68:0a:98, ipaddr=192.168.201.18, mask=255.255.255.0, gw=192.168.201.1 <6>[ 10.541606] host=asus-c433ta-aj0005-rammus-cbg-2, domain=lava-rack, nis-domain=(none) <6>[ 10.551148] bootserver=192.168.201.1, rootserver=192.168.201.1, rootpath= <6>[ 10.551151] nameserver0=192.168.201.1 <5>[ 10.564559] cfg80211: Loading compiled-in X.509 certificates for regulatory database <6>[ 10.576600] modprobe (101) used greatest stack depth: 14120 bytes left <5>[ 10.579961] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7' <5>[ 10.591966] cfg80211: Loaded X.509 cert 'wens: 61c038651aabdcf94bd0ac7ff06c7248db18c600' <4>[ 10.601518] platform regulatory.0: Direct firmware load for regulatory.db failed with error -2 <6>[ 10.604613] clk: Disabling unused clocks <6>[ 10.611531] cfg80211: failed to load regulatory.db <6>[ 10.616195] ALSA device list: <6>[ 10.625408] No soundcards found. <4>[ 10.629929] dw-apb-uart dw-apb-uart.2: forbid DMA for kernel console <6>[ 10.639790] Freeing unused kernel image (initmem) memory: 2164K <6>[ 10.658807] Write protecting the kernel read-only data: 51200k <6>[ 10.666603] Freeing unused kernel image (text/rodata gap) memory: 2028K <6>[ 10.674852] Freeing unused kernel image (rodata/data gap) memory: 2020K <6>[ 10.682695] Run /init as init process Loading, please wait... Starting systemd-udevd version 252.22-1~deb12u1 <6>[ 10.705496] systemd-udevd (127) used greatest stack depth: 13688 bytes left <6>[ 10.940247] chromeos ramoops using acpi device. <6>[ 10.945907] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <4>[ 10.960904] cros-usbpd-notify-acpi GOOG0003:00: Couldn't get Chrome EC device pointer. <6>[ 10.981891] mmc1: SDHCI controller on PCI [0000:00:1e.6] using ADMA 64-bit <4>[ 10.991200] i2c_hid i2c-PNP0C50:00: supply vdd not found, using dummy regulator <4>[ 10.992843] elan_i2c i2c-ELAN0000:00: supply vcc not found, using dummy regulator <6>[ 11.009107] max98927 i2c-MX98927:00: MAX98927 revisionID: 0x42 <4>[ 11.009677] i2c_hid i2c-PNP0C50:00: supply vddl not found, using dummy regulator <6>[ 11.032223] idma64 idma64.0: Found Intel integrated DMA 64-bit <6>[ 11.039806] max98927 i2c-MX98927:01: MAX98927 revisionID: 0x42 <6>[ 11.043572] idma64 idma64.1: Found Intel integrated DMA 64-bit <4>[ 11.055824] da7219 i2c-DLGS7219:00: Using default DAI clk names: da7219-dai-wclk, da7219-dai-bclk <6>[ 11.064802] idma64 idma64.4: Found Intel integrated DMA 64-bit <6>[ 11.077151] Intel(R) Wireless WiFi driver for Linux <6>[ 11.085251] idma64 idma64.5: Found Intel integrated DMA 64-bit <6>[ 11.086339] iwlwifi 0000:01:00.0: Found debug destination: EXTERNAL_DRAM <6>[ 11.099991] iwlwifi 0000:01:00.0: Found debug configuration: 0 <6>[ 11.107243] iwlwifi 0000:01:00.0: loaded firmware version 29.4063824552.0 7265D-29.ucode op_mode iwlmvm <6>[ 11.128637] iwlwifi 0000:01:00.0: Detected Intel(R) Dual Band Wireless AC 7265, REV=0x210 <6>[ 11.153395] iwlwifi 0000:01:00.0: Applying debug destination EXTERNAL_DRAM <6>[ 11.155252] elan_i2c i2c-ELAN0000:00: Elan Touchpad: Module ID: 0x00c0, Firmware: 0x0002, Sample: 0x0003, IAP: 0x0000 <6>[ 11.161719] iwlwifi 0000:01:00.0: Allocated 0x00400000 bytes for firmware monitor. <6>[ 11.174089] input: Elan Touchpad as /devices/pci0000:00/0000:00:15.1/i2c_designware.1/i2c-7/i2c-ELAN0000:00/input/input4 <6>[ 11.191227] iwlwifi 0000:01:00.0: base HW address: 14:f6:d8:54:fb:78 <6>[ 11.221784] 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/input5 <6>[ 11.238762] Registered efivars operations <6>[ 11.238904] hid-generic 0018:0457:157E.0001: input,hidraw0: I2C HID v1.00 Device [PNP0C50:00 0457:157E] on i2c-PNP0C50:00 <6>[ 11.243565] gsmi version 1.0 loaded <6>[ 11.265272] intel_pmc_core intel_pmc_core.0: initialized <6>[ 11.277908] proc_thermal 0000:00:04.0: Creating sysfs group for PROC_THERMAL_PCI <6>[ 11.287874] iTCO_wdt: Intel TCO WatchDog Timer Driver v1.11 <6>[ 11.294620] iTCO_wdt: Found a Intel PCH TCO device (Version=4, TCOBASE=0x0400) <4>[ 11.297610] thermal thermal_zone7: failed to read out thermal zone (-61) <6>[ 11.304042] iTCO_wdt: initialized. heartbeat=30 sec (nowayout=0) <6>[ 11.314423] iwlwifi 0000:01:00.0 wlp1s0: renamed from wlan0 <6>[ 11.325531] Bluetooth: Core ver 2.22 <6>[ 11.330080] NET: Registered protocol family 31 <6>[ 11.330503] uvcvideo: Found UVC 1.00 device USB2.0 HD UVC WebCam (13d3:56d4) <6>[ 11.335348] Bluetooth: HCI device and connection manager initialized <6>[ 11.338594] Bluetooth: HCI socket layer initialized <6>[ 11.351359] 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/input7 <6>[ 11.356773] Bluetooth: L2CAP socket layer initialized <6>[ 11.369556] usbcore: registered new interface driver uvcvideo <6>[ 11.374811] Bluetooth: SCO socket layer initialized <6>[ 11.381452] USB Video Class driver (1.1.1) <6>[ 11.393593] modprobe (167) used greatest stack depth: 13264 bytes left <6>[ 11.405240] usbcore: registered new interface driver btusb <6>[ 11.418255] Bluetooth: hci0: read Intel version: 370810225019140f00 <4>[ 11.425863] bluetooth hci0: Direct firmware load for intel/ibt-hw-37.8.10-fw-22.50.19.14.f.bseq failed with error -2 <3>[ 11.438011] Bluetooth: hci0: failed to open Intel firmware file: intel/ibt-hw-37.8.10-fw-22.50.19.14.f.bseq (-2) <4>[ 11.449776] bluetooth hci0: Direct firmware load for intel/ibt-hw-37.8.bseq failed with error -2 <3>[ 11.459924] Bluetooth: hci0: failed to open default fw file: intel/ibt-hw-37.8.bseq Begin: Loading essential drivers ... done. Begin: Running /scripts/init-premount ... done. Begin: Mounting root file system ... Begin: Running /scripts/nfs-top ... done. Begin: Running /scripts/nfs-premount ... Waiting up to 60 secs for any ethernet to become available Device /sys/class/net/eth0 found done. Begin: Waiting up to 180 secs for any network device to become available ... done. IP-Config: wlp1s0 hardware address 14:f6:d8:54:fb:78 mtu 1500 DHCP <6>[ 11.526250] iwlwifi 0000:01:00.0: Applying debug destination EXTERNAL_DRAM <6>[ 11.616673] iwlwifi 0000:01:00.0: Applying debug destination EXTERNAL_DRAM <6>[ 11.626956] iwlwifi 0000:01:00.0: FW already configured (0) - re-configuring IP-Config: eth0 hardware address 00:e0:4c:68:0a:98 mtu 1500 DHCP IP-Config: eth0 complete (dhcp from 192.168.201.1): address: 192.168.201.18 broadcast: 192.168.201.255 netmask: 255.255.255.0 gateway: 192.168.201.1 dns0 : 192.168.201.1 dns1 : 0.0.0.0 host : asus-c433ta-aj0005-rammus-cbg-2 domain : lava-rack rootserver: 192.168.201.1 rootpath: filename : <6>[ 11.712809] nfsmount (190) 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>[ 13.109019] 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>[ 13.145995] systemd[1]: Detected architecture x86-64. Welcome to Debian GNU/Linux 12 (bookworm)! <30>[ 13.172260] systemd[1]: Hostname set to . <30>[ 13.684313] systemd[1]: Queued start job for default target graphical.target. <30>[ 13.694948] systemd[1]: Created slice system-getty.slice - Slice /system/getty. [ OK ] Created slice system-getty.slice - Slice /system/getty. <30>[ 13.716350] systemd[1]: Created slice system-modprobe.slice - Slice /system/modprobe. [ OK ] Created slice system-modpr…lice - Slice /system/modprobe. <30>[ 13.738355] systemd[1]: Created slice system-serial\x2dgetty.slice - Slice /system/serial-getty. [ OK ] Created slice system-seria… - Slice /system/serial-getty. <30>[ 13.761242] systemd[1]: Created slice user.slice - User and Session Slice. [ OK ] Created slice user.slice - User and Session Slice. <30>[ 13.779220] 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>[ 13.802097] 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>[ 13.824754] 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>[ 13.851919] systemd[1]: Expecting device dev-ttyS0.device - /dev/ttyS0... Expecting device dev-ttyS0.device - /dev/ttyS0... <30>[ 13.869859] systemd[1]: Reached target cryptsetup.target - Local Encrypted Volumes. [ OK ] Reached target cryptsetup.…get - Local Encrypted Volumes. <30>[ 13.888935] systemd[1]: Reached target integritysetup.target - Local Integrity Protected Volumes. [ OK ] Reached target integrityse…Local Integrity Protected Volumes. <30>[ 13.911924] systemd[1]: Reached target paths.target - Path Units. [ OK ] Reached target paths.target - Path Units. <30>[ 13.928912] systemd[1]: Reached target remote-fs.target - Remote File Systems. [ OK ] Reached target remote-fs.target - Remote File Systems. <30>[ 13.946908] systemd[1]: Reached target slices.target - Slice Units. [ OK ] Reached target slices.target - Slice Units. <30>[ 13.963929] systemd[1]: Reached target swap.target - Swaps. [ OK ] Reached target swap.target - Swaps. <30>[ 13.979922] systemd[1]: Reached target veritysetup.target - Local Verity Protected Volumes. [ OK ] Reached target veritysetup… - Local Verity Protected Volumes. <30>[ 14.002178] systemd[1]: Listening on systemd-initctl.socket - initctl Compatibility Named Pipe. [ OK ] Listening on systemd-initc… initctl Compatibility Named Pipe. <30>[ 14.026784] systemd[1]: Listening on systemd-journald-audit.socket - Journal Audit Socket. [ OK ] Listening on systemd-journ…socket - Journal Audit Socket. <30>[ 14.049994] systemd[1]: Listening on systemd-journald-dev-log.socket - Journal Socket (/dev/log). [ OK ] Listening on systemd-journ…t - Journal Socket (/dev/log). <30>[ 14.073537] systemd[1]: Listening on systemd-journald.socket - Journal Socket. [ OK ] Listening on systemd-journald.socket - Journal Socket. <30>[ 14.093087] systemd[1]: Listening on systemd-networkd.socket - Network Service Netlink Socket. [ OK ] Listening on systemd-netwo… - Network Service Netlink Socket. <30>[ 14.115311] systemd[1]: Listening on systemd-udevd-control.socket - udev Control Socket. [ OK ] Listening on systemd-udevd….socket - udev Control Socket. <30>[ 14.137308] systemd[1]: Listening on systemd-udevd-kernel.socket - udev Kernel Socket. [ OK ] Listening on systemd-udevd…l.socket - udev Kernel Socket. <30>[ 14.161452] systemd[1]: Mounting dev-hugepages.mount - Huge Pages File System... Mounting dev-hugepages.mount - Huge Pages File System... <30>[ 14.182150] systemd[1]: Mounting dev-mqueue.mount - POSIX Message Queue File System... Mounting dev-mqueue.mount…POSIX Message Queue File System... <30>[ 14.202747] systemd[1]: Mounting sys-kernel-debug.mount - Kernel Debug File System... Mounting sys-kernel-debug.… - Kernel Debug File System... <30>[ 14.222532] systemd[1]: Mounting sys-kernel-tracing.mount - Kernel Trace File System... Mounting sys-kernel-tracin… - Kernel Trace File System... <30>[ 14.249004] systemd[1]: Starting kmod-static-nodes.service - Create List of Static Device Nodes... Starting kmod-static-nodes…ate List of Static Device Nodes... <30>[ 14.270910] systemd[1]: Starting modprobe@configfs.service - Load Kernel Module configfs... Starting modprobe@configfs…m - Load Kernel Module configfs... <30>[ 14.291214] systemd[1]: Starting modprobe@dm_mod.service - Load Kernel Module dm_mod... Starting modprobe@dm_mod.s…[0m - Load Kernel Module dm_mod... <30>[ 14.312589] systemd[1]: Starting modprobe@drm.service - Load Kernel Module drm... Starting modprobe@drm.service - Load Kernel Module drm... <30>[ 14.332606] systemd[1]: Starting modprobe@efi_pstore.service - Load Kernel Module efi_pstore... Starting modprobe@efi_psto…- Load Kernel Module efi_pstore... <30>[ 14.353636] systemd[1]: Starting modprobe@fuse.service - Load Kernel Module fuse... Starting modprobe@fuse.ser…e - Load Kernel Module fuse... <30>[ 14.373838] systemd[1]: Starting modprobe@loop.service - Load Kernel Module loop... Starting modprobe@loop.ser…e - Load Kernel Module loop... <30>[ 14.396356] systemd[1]: Starting systemd-journald.service - Journal Service... Starting systemd-journald.service - Journa<6>[ 14.405129] fuse: init (API version 7.32) l Service... <30>[ 14.422892] systemd[1]: Starting systemd-modules-load.service - Load Kernel Modules... Starting systemd-modules-l…rvice - Load Kernel Modules... <30>[ 14.443369] systemd[1]: Starting systemd-network-generator.service - Generate network units from Kernel command line... Starting systemd-network-g… units from Kernel command line... <30>[ 14.466280] systemd[1]: Starting systemd-remount-fs.service - Remount Root and Kernel File Systems... Starting systemd-remount-f…nt Root and Kernel File Systems... <30>[ 14.488255] systemd[1]: Starting systemd-udev-trigger.service - Coldplug All udev Devices... Starting systemd-udev-trig…[0m - Coldplug All udev Devices... <30>[ 14.511480] systemd[1]: Mounted dev-hugepages.mount - Huge Pages File System. [ OK ] Mounted dev-hugepages.mount - Huge Pages File System. <30>[ 14.532899] systemd[1]: Mounted dev-mqueue.mount - POSIX Message Queue File System. [ OK ] Mounted dev-mqueue.mount[…- POSIX Message Queue File System. <30>[ 14.553870] systemd[1]: Mounted sys-kernel-debug.mount - Kernel Debug File System. [ OK ] Mounted sys-kernel-debug.m…nt - Kernel Debug File System. <30>[ 14.574872] systemd[1]: Mounted sys-kernel-tracing.mount - Kernel Trace File System. [ OK ] Mounted sys-kernel-tracing…nt - Kernel Trace File System. <30>[ 14.596833] 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... <6>[ 14.778671] mount (233) used greatest stack depth: 12368 bytes left 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... Starting systemd-sysusers.…rvice - Creat<46>[ 14.828098] systemd-journald[227]: Received client request to flush runtime journal. e System Users... [ OK ] Mounted sys-fs-fuse-connec…nt - FUSE Control File System. [ OK ] Mounted sys-kernel-config.… Kernel Configuration File System. [ OK ] Finished systemd-random-se…rvice - Load/Save Random Seed. [ OK ] Finished systemd-sysctl.service - Apply Kernel Variables. [ OK ] Finished systemd-udev-trig…e - Coldplug All udev Devices. [ OK ] Finished systemd-sysusers.service - Create System Users. Starting systemd-tmpfiles-…ate Static Device Nodes in /dev... [ OK ] Finished systemd-journal-f…ush Journal to Persistent Storage. [ OK ] Finished systemd-tmpfiles-…reate Static Device Nodes in /dev. [ OK ] Reached target local-fs-pr…reparation for Local File Systems. [ OK ] Reached target local-fs.target - Local File Systems. Starting systemd-binfmt.se…et Up Additional Binary Formats... Starting systemd-tmpfiles-… Volatile Files and Directories... Starting systemd-udevd.ser…ger for Device Events and Files... Mounting proc-sys-fs-binfm…utable File Formats File System... [ OK ] Mounted proc-sys-fs-binfmt…ecutable File Formats File System. [ OK ] Finished systemd-binfmt.se… Set Up Additional Binary Formats. [ OK ] Started systemd-udevd.serv…nager for Device Events and Files. Starting systemd-networkd.…ice - Network Configuration... [ OK ] Finished systemd-tmpfiles-…te Volatile Files and Directories. Starting systemd-timesyncd… - Network Time Synchronization... Starting systemd-update-ut…rd System Boot/Shutdown in UTMP... [ OK ] Found device dev-ttyS0.dev…oint-LP Serial IO UART Controller. [ OK ] Finished systemd-update-ut…cord System Boot/Shutdown in UTMP. [ OK ] Created slice system-syste…- Slice /system/systemd-backlight. [ OK ] Reached target bluetooth.target - Bluetooth Support. [ OK ] Listening on systemd-rfkil…l Switch Status /dev/rfkill Watch. Starting systemd-backlight…ss of backlight:intel_backlight... Starting systemd-backlight…of leds:chromeos::kbd_backlight... [ OK ] Started systemd-timesyncd.…0m - Network Time Synchronization. [ 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 ] 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-rfkill.se…Load/Save RF Kill Switch Status... 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 systemd-rfkill.ser…- Load/Save RF Kill Switch Status. [ 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 Tue Jun 25 11:39:21 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/14570616/extract-nfsrootfs-olkap9bm' export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/14570616/extract-nfsrootfs-olkap9bm' / # 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-14570616/environment . /lava-14570616/environment / # /lava-14570616/bin/lava-test-runner /lava-14570616/0 /lava-14570616/bin/lava-test-runner /lava-14570616/0 + export TESTRUN_ID=0_timesync-off + TESTRUN_ID=0_timesync-off + cd /lava-14570616/0/tests/0_timesync-off ++ cat uuid + UUID=14570616_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-14570616/0/tests/1_kselftest-lkdtm ++ cat uuid + UUID=14570616_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-cip49-41-ga1157ad99348c/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 --2024-06-25 19:25:20-- http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.218-cip49-41-ga1157ad99348c/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: 3547724 (3.4M) [application/octet-stream] Saving to: 'kselftest_armhf.tar.gz' kselftest_armhf.tar 0%[ ] 0 --.-KB/s kselftest_armhf.tar 1%[ ] 47.81K 171KB/s kselftest_armhf.tar 6%[> ] 216.08K 387KB/s kselftest_armhf.tar 24%[===> ] 832.61K 807KB/s kselftest_armhf.tar 74%[=============> ] 2.51M 2.00MB/s kselftest_armhf.tar 100%[===================>] 3.38M 2.36MB/s in 1.4s 2024-06-25 19:25:22 (2.36 MB/s) - 'kselftest_armhf.tar.gz' saved [3547724/3547724] 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>[ 31.488989] 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>[ 31.972572] lkdtm: Performing direct entry BUG <4>[ 31.977914] ------------[ cut here ]------------ <2>[ 31.983384] kernel BUG at drivers/misc/lkdtm/bugs.c:76! <4>[ 31.989535] invalid opcode: 0000 [#1] SMP PTI <4>[ 31.994691] CPU: 3 PID: 668 Comm: cat Tainted: G W 5.10.218-cip49 #1 <4>[ 32.003532] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 32.010630] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 32.015295] Code: 89 ff e8 be a6 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 c0 06 eb 03 <4>[ 32.036575] RSP: 0018:ffffabbdc14abe60 EFLAGS: 00010286 <4>[ 32.042701] RAX: ffffffff95f80790 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 32.050954] RDX: 0000000000000000 RSI: ffff8935bad9bf50 RDI: ffffffff97e406d0 <4>[ 32.059206] RBP: ffffffff98336fc8 R08: 0000000000000001 R09: 0000000000000001 <4>[ 32.067466] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 32.075726] R13: ffffabbdc14abf10 R14: ffffabbdc14abf10 R15: ffff893546d7d000 <4>[ 32.083987] FS: 00007f0feea01740(0000) GS:ffff8935bad80000(0000) knlGS:0000000000000000 <4>[ 32.093315] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 32.100022] CR2: 00007f0fee9e0000 CR3: 0000000107ea8003 CR4: 00000000003706e0 <4>[ 32.108274] Call Trace: <4>[ 32.111293] ? __die_body.cold+0x1a/0x1f <4>[ 32.115967] ? die+0x2b/0x50 <4>[ 32.119472] ? do_trap+0x91/0x110 <4>[ 32.123460] ? lkdtm_BUG+0x5/0x10 <4>[ 32.127449] ? do_error_trap+0x90/0x110 <4>[ 32.132020] ? lkdtm_BUG+0x5/0x10 <4>[ 32.136008] ? lkdtm_BUG+0x5/0x10 <4>[ 32.139999] ? exc_invalid_op+0x4e/0x70 <4>[ 32.144572] ? lkdtm_BUG+0x5/0x10 <4>[ 32.148574] ? asm_exc_invalid_op+0x12/0x20 <4>[ 32.153535] ? direct_entry+0xe0/0xe0 <4>[ 32.157913] ? lkdtm_BUG+0x5/0x10 <4>[ 32.161904] direct_entry.cold+0x2c/0x38 <4>[ 32.166576] full_proxy_write+0x53/0x80 <4>[ 32.171155] vfs_write+0xe7/0x3b0 <4>[ 32.175143] ksys_write+0x68/0xf0 <4>[ 32.179134] do_syscall_64+0x30/0x40 <4>[ 32.183413] entry_SYSCALL_64_after_hwframe+0x67/0xd1 <4>[ 32.189346] RIP: 0033:0x7f0feeafc240 <4>[ 32.193625] 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>[ 32.214888] RSP: 002b:00007fff0a97abe8 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 <4>[ 32.223636] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f0feeafc240 <4>[ 32.231888] RDX: 0000000000000004 RSI: 00007f0fee9e0000 RDI: 0000000000000001 <4>[ 32.240150] RBP: 0000000000000004 R08: 00000000ffffffff R09: 0000000000000000 <4>[ 32.248412] R10: 00007f0feea1d4d0 R11: 0000000000000202 R12: 00007f0fee9e0000 <4>[ 32.256672] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 <4>[ 32.264935] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel cros_ec_sysfs cros_usbpd_logger cros_ec_debugfs cros_ec_chardev cros_usbpd_charger cros_ec_lightbar cros_ec_sensorhub iTCO_wdt intel_pmc_bxt intel_pmc_core_pltdrv bluetooth intel_pmc_core uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 processor_thermal_device gsmi iwlmvm ecdh_generic x86_pkg_temp_thermal cros_ec_dev watchdog iwlwifi snd_soc_da7219 idma64 ecc videobuf2_common intel_soc_dts_iosf snd_soc_max98927 elan_i2c i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c int3403_thermal int340x_thermal_zone cros_usbpd_notify pinctrl_sunrisepoint int3400_thermal acpi_thermal_rel coreboot_table chromeos_pstore cros_kbd_led_backlight <0>[ 32.349254] gsmi: Log Shutdown Reason 0x03 <4>[ 32.354151] ---[ end trace dd4facc418e7929b ]--- <4>[ 32.359611] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 32.364289] Code: 89 ff e8 be a6 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 c0 06 eb 03 <4>[ 32.385573] RSP: 0018:ffffabbdc14abe60 EFLAGS: 00010286 <4>[ 32.391713] RAX: ffffffff95f80790 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 32.399983] RDX: 0000000000000000 RSI: ffff8935bad9bf50 RDI: ffffffff97e406d0 <4>[ 32.408250] RBP: ffffffff98336fc8 R08: 0000000000000001 R09: 0000000000000001 <4>[ 32.416521] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 32.424815] R13: ffffabbdc14abf10 R14: ffffabbdc14abf10 R15: ffff893546d7d000 <4>[ 32.433106] FS: 00007f0feea01740(0000) GS:ffff8935bad80000(0000) knlGS:0000000000000000 <4>[ 32.442468] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 32.449208] CR2: 00007f0fee9e0000 CR3: 0000000107ea8003 CR4: 00000000003706e0 # Segmentation fault # [ 31.972572] lkdtm: Performing direct entry BUG # [ 31.977914] ------------[ cut here ]------------ # [ 31.983384] kernel BUG at drivers/misc/lkdtm/bugs.c:76! # [ 31.989535] invalid opcode: 0000 [#1] SMP PTI # [ 31.994691] CPU: 3 PID: 668 Comm: cat Tainted: G W 5.10.218-cip49 #1 # [ 32.003532] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 32.010630] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 32.015295] Code: 89 ff e8 be a6 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 c0 06 eb 03 # [ 32.036575] RSP: 0018:ffffabbdc14abe60 EFLAGS: 00010286 <6>[ 32.542948] lkdtm: Performing direct entry WARNING <4>[ 32.550274] ------------[ cut here ]------------ <4>[ 32.555737] WARNING: CPU: 3 PID: 706 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x13/0x20 # [ 32.042701] RAX: ffffffff95f80790 RBX: 0000000000000001 RCX<4>[ 32.565463] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel cros_ec_sysfs cros_usbpd_logger cros_ec_debugfs cros_ec_chardev cros_usbpd_charger cros_ec_lightbar cros_ec_sensorhub iTCO_wdt intel_pmc_bxt intel_pmc_core_pltdrv bluetooth intel_pmc_core uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 processor_thermal_device gsmi iwlmvm ecdh_generic x86_pkg_temp_thermal cros_ec_dev watchdog iwlwifi snd_soc_da7219 idma64 ecc videobuf2_common intel_soc_dts_iosf snd_soc_max98927 elan_i2c i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c int3403_thermal int340x_thermal_zone cros_usbpd_notify pinctrl_sunrisepoint int3400_thermal acpi_thermal_rel coreboot_table chromeos_pstore cros_kbd_led_backlight <4>[ 32.654066] CPU: 3 PID: 706 Comm: cat Tainted: G D W 5.10.218-cip49 #1 <4>[ 32.662944] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 32.670045] RIP: 0010:lkdtm_WARNING+0x13/0x20 : 0000000000000000 # [ 32.050954] RDX: 0000000000000000 RSI: <4>[ 32.675225] 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 c0 06 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 a1 06 <4>[ 32.702715] RSP: 0018:ffffabbdc158be60 EFLAGS: 00010202 ffff8935bad9bf50 RDI: ffffffff97e406d0 # [ 32.059206] RBP: ff<4>[ 32.708871] RAX: ffffffff95f807a0 RBX: 0000000000000002 RCX: 0000000000000000 <4>[ 32.723344] RDX: 0000000000000000 RSI: ffff8935bad9bf50 RDI: ffffffff97e406e0 <4>[ 32.731629] RBP: ffffffff982d00e7 R08: 0000000000000000 R09: 0000000000000000 <4>[ 32.739895] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000008 <4>[ 32.748159] R13: ffffabbdc158bf10 R14: ffffabbdc158bf10 R15: ffff89354409b000 <4>[ 32.756423] FS: 00007f5a8e206740(0000) GS:ffff8935bad80000(0000) knlGS:0000000000000000 <4>[ 32.765756] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 32.772467] CR2: 00007f5a8e1e5000 CR3: 00000001024f6005 CR4: 00000000003706e0 <4>[ 32.780730] Call Trace: <4>[ 32.783756] ? __warn+0x80/0x110 ffffff98336fc8 R08: 0000000000000001 R09: 0000000000000001 # [ <4>[ 32.787681] ? lkdtm_WARNING+0x13/0x20 <4>[ 32.798367] ? report_bug+0x9e/0xc0 <4>[ 32.802587] ? handle_bug+0x41/0x90 <4>[ 32.806779] ? exc_invalid_op+0x14/0x70 <4>[ 32.811386] ? asm_exc_invalid_op+0x12/0x20 <4>[ 32.816353] ? lkdtm_BUG+0x10/0x10 <4>[ 32.820475] ? lkdtm_WARNING+0x13/0x20 <4>[ 32.824955] direct_entry.cold+0x2c/0x38 <4>[ 32.829658] full_proxy_write+0x53/0x80 <4>[ 32.834266] vfs_write+0xe7/0x3b0 <4>[ 32.838291] ksys_write+0x68/0xf0 <4>[ 32.842284] do_syscall_64+0x30/0x40 <4>[ 32.846599] entry_SYSCALL_64_after_hwframe+0x67/0xd1 <4>[ 32.852584] RIP: 0033:0x7f5a8e301240 32.067466] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 00<4>[ 32.856873] 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>[ 32.884357] RSP: 002b:00007fff12c8b688 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 <4>[ 32.893138] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007f5a8e301240 <4>[ 32.901402] RDX: 0000000000000008 RSI: 00007f5a8e1e5000 RDI: 0000000000000001 <4>[ 32.909666] RBP: 0000000000000008 R08: 00000000ffffffff R09: 0000000000000000 <4>[ 32.917931] R10: 00007f5a8e2224d0 R11: 0000000000000202 R12: 00007f5a8e1e5000 <4>[ 32.926226] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 <4>[ 32.934495] irq event stamp: 0 <4>[ 32.938225] hardirqs last enabled at (0): [<0000000000000000>] 0x0 00000000000004 # [ 32.075726] R13: ffffabbdc14abf10 R14: ffff<4>[ 32.945520] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 abbdc14abf10 R15: ffff893546d7d000 # [ 32.083987] FS: 00007f<4>[ 32.961162] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 32.976805] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 32.984099] ---[ end trace dd4facc418e7929c ]--- 0feea01740(0000) GS:ffff8935bad80000(0000) knlGS:0000000000000000 # [ 32.093315] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 32.100022] CR2: 00007f0fee9e0000 CR3: 0000000107ea8003 CR4: 00000000003706e0 # [ 32.108274] Call Trace: # [ 32.111293] ? __die_body.cold+0x1a/0x1f # [ 32.115967] ? die+0x2b/0x50 # [ 32.119472] ? do_trap+0x91/0x110 # [ 32.123460] ? lkdtm_BUG+0x5/0x10 # [ 32.127449] ? do_error_trap+0x90/0x110 # [ 32.132020] ? lkdtm_BUG+0x5/0x10 # [ 32.136008] ? lkdtm_BUG+0x5/0x10 # [ 32.139999] ? exc_invalid_op+0x4e/0x70 # [ 32.144572] ? lkdtm_BUG+0x5/0x10 # [ 32.148574] ? asm_exc_invalid_op+0x12/0x20 # [ 32.153535] ? direct_entry+0xe0/0xe0 # [ 32.157913] ? lkdtm_BUG+0x5/0x10 # [ 32.161904] direct_entry.cold+0x2c/0x38 # [ 32.166576] full_proxy<6>[ 33.069979] lkdtm: Performing direct entry WARNING_MESSAGE _write+0x53/0x80 # [ 32.171155] vfs_write+0xe7/0x3b0 # [ <4>[ 33.076813] ------------[ cut here ]------------ 32.175143] ksys_write+0x68/0xf0 # [ 32.179134] do_syscall_6<4>[ 33.088499] Warning message trigger count: 2 4+0x30/0x40 # [ 32.183413] entry_SYSCALL_64_after_hwframe+0x<4>[ 33.099794] WARNING: CPU: 0 PID: 743 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30 67/0xd1 # [ 32.189346] RIP: 0033:0x7f0feeafc240 # [ 32.193<4>[ 33.116488] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel cros_ec_sysfs cros_usbpd_logger cros_ec_debugfs cros_ec_chardev cros_usbpd_charger cros_ec_lightbar cros_ec_sensorhub iTCO_wdt intel_pmc_bxt intel_pmc_core_pltdrv bluetooth intel_pmc_core uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 processor_thermal_device gsmi iwlmvm ecdh_generic x86_pkg_temp_thermal cros_ec_dev watchdog iwlwifi snd_soc_da7219 idma64 ecc videobuf2_common intel_soc_dts_iosf snd_soc_max98927 elan_i2c i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c int3403_thermal int340x_thermal_zone cros_usbpd_notify pinctrl_sunrisepoint int3400_thermal acpi_thermal_rel coreboot_table chromeos_pstore cros_kbd_led_backlight 625] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff<4>[ 33.205062] CPU: 0 PID: 743 Comm: cat Tainted: G D W 5.10.218-cip49 #1 ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 <4>[ 33.220115] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83<4>[ 33.233428] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30 ec 28 48 89 # [ 32.214888] RSP: 002b:00007fff0a97abe8 EFLAGS<4>[ 33.245572] Code: cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 a1 06 eb 03 48 c7 c7 48 06 2d 98 8d 70 01 89 35 91 06 eb 03 e8 f6 fe 68 00 <0f> 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 c7 : 00000202 ORIG_RAX: 0000000000000001 # [ 32.223636] RAX: fff<4>[ 33.273106] RSP: 0018:ffffabbdc1623e60 EFLAGS: 00010286 fffffffffffda RBX: 0000000000000004 RCX: 00007f0feeafc240 # [ <4>[ 33.285403] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 32.231888] RDX: 0000000000000004 RSI: 00007f0fee9e0000 RDI: 000<4>[ 33.299900] RDX: ffff8935bac2c620 RSI: ffff8935bac1bf50 RDI: ffff8935bac1bf50 0000000000001 # [ 32.240150] RBP: 0000000000000004 R08: 00000<4>[ 33.314369] RBP: ffffffff982d00ef R08: 0000000000000000 R09: 0000000000000000 000ffffffff R09: 0000000000000000 # [ 32.248412] R10: 00007f0<4>[ 33.328877] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010 feea1d4d0 R11: 0000000000000202 R12: 00007f0fee9e0000 # [ 32.<4>[ 33.343343] R13: ffffabbdc1623f10 R14: ffffabbdc1623f10 R15: ffff89354408c000 256672] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000<4>[ 33.357833] FS: 00007fc82cb9e740(0000) GS:ffff8935bac00000(0000) knlGS:0000000000000000 000000000 # [ 32.264935] Modules linked in: fuse ip_tables cr<4>[ 33.373361] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 os_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industriali<4>[ 33.386286] CR2: 00007fc82cb7d000 CR3: 0000000106592002 CR4: 00000000003706f0 o_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btin<4>[ 33.400770] Call Trace: tel cros_ec_sysfs cros_usbpd_logger cros_ec_debugfs cros_ec_char<4>[ 33.410033] ? __warn+0x80/0x110 dev cros_usbpd_charger cros_ec_lightbar cros_ec_sensorhub iTCO_w<4>[ 33.420120] ? lkdtm_WARNING_MESSAGE+0x20/0x30 dt intel_pmc_bxt intel_pmc_core_pltdrv bluetooth intel_pmc_core <4>[ 33.431651] ? report_bug+0x9e/0xc0 uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 proce<4>[ 33.442013] ? handle_bug+0x41/0x90 ssor_thermal_device gsmi iwlmvm ecdh_generic x86_pkg_temp_therma<4>[ 33.452420] ? exc_invalid_op+0x14/0x70 l cros_ec_dev watchdog iwlwifi snd_soc_da7219 idma64 ecc videobu<4>[ 33.463208] ? asm_exc_invalid_op+0x12/0x20 f2_common intel_soc_dts_iosf snd_soc_max98927 elan_i2c i2c_hid s<4>[ 33.474416] ? lkdtm_WARNING_MESSAGE+0x20/0x30 nd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c int3403_th<4>[ 33.485887] direct_entry.cold+0x2c/0x38 ermal int340x_thermal_zone cros_usbpd_notify pinctrl_sunrisepoin<4>[ 33.496751] full_proxy_write+0x53/0x80 t int3400_thermal acpi_thermal_rel coreboot_table chromeos_pstor<4>[ 33.507552] vfs_write+0xe7/0x3b0 e cros_kbd_led_backlight # [ 32.349254] gsmi: Log Shutdown Re<4>[ 33.517782] ksys_write+0x68/0xf0 ason 0x03 # [ 32.354151] ---[ end trace dd4facc418e7929b ]---<4>[ 33.527965] do_syscall_64+0x30/0x40 # [ 32.359611] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 32.364289<4>[ 33.538457] entry_SYSCALL_64_after_hwframe+0x67/0xd1 ] Code: 89 ff e8 be a6 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0<4>[ 33.550618] RIP: 0033:0x7fc82cc99240 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 <4>[ 33.561098] 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 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 c0<4>[ 33.588596] RSP: 002b:00007ffe33514888 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 06 eb 03 # [ 32.385573] RSP: 0018:ffffabbdc14abe60 EFLAGS: 0<4>[ 33.603560] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007fc82cc99240 0010286 # [ 32.391713] RAX: ffffffff95f80790 RBX: 00000000000<4>[ 33.618047] RDX: 0000000000000010 RSI: 00007fc82cb7d000 RDI: 0000000000000001 00001 RCX: 0000000000000000 # [ 32.399983] RDX: 0000000000000<4>[ 33.632520] RBP: 0000000000000010 R08: 00000000ffffffff R09: 0000000000000000 000 RSI: ffff8935bad9bf50 RDI: ffffffff97e406d0 # [ 32.408250<4>[ 33.646999] R10: 00007fc82cbba4d0 R11: 0000000000000202 R12: 00007fc82cb7d000 ] RBP: ffffffff98336fc8 R08: 0000000000000001 R09: 0000000000000<4>[ 33.661509] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 001 # [ 32.416521] R10: 00000000ffffe000 R11: 3ffffffffffffff<4>[ 33.676018] irq event stamp: 0 f R12: 0000000000000004 # [ 32.424815] R13: ffffabbdc14abf10 <4>[ 33.685927] hardirqs last enabled at (0): [<0000000000000000>] 0x0 R14: ffffabbdc14abf10 R15: ffff893546d7d000 # [ 32.433106] FS<4>[ 33.699453] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 : 00007f0feea01740(0000) GS:ffff8935bad80000(0000) knlGS:000000<4>[ 33.715098] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 0000000000 # [ 32.442468] CS: 0010 DS: 0000 ES: 0000 CR0: 00<4>[ 33.730730] softirqs last disabled at (0): [<0000000000000000>] 0x0 00000080050033 # [ 32.449208] CR2: 00007f0fee9e0000 CR3: 0000<4>[ 33.744239] ---[ end trace dd4facc418e7929d ]--- 000107ea8003 CR4: 00000000003706e0 # BUG: saw 'kernel BUG at': ok ok 2 selftests: lkdtm: BUG.sh # selftests: lkdtm: WARNING.sh # [ 32.542948] lkdtm: Performing direct entry WARNING # [ 32.550274] ------------[ cut here ]------------ # [ 32.555737] WARNING: CPU: 3 PID: 706 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x13/0x20 # [ 32.565463] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel cros_ec_sysfs cros_usbpd_logger cros_ec_debugfs cros_ec_chardev cros_usbpd_charger cros_ec_lightbar cros_ec_sensorhub iTCO_wdt intel_pmc_bxt intel_pmc_core_pltdrv bluetooth intel_pmc_core uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 processor_thermal_device gsmi iwlmvm ecdh_generic x86_pkg_temp_thermal cros_ec_dev watchdog iwlwifi snd_soc_da7219 idma64 <6>[ 33.839513] lkdtm: Performing direct entry EXCEPTION <1>[ 33.848796] BUG: kernel NULL pointer dereference, address: 0000000000000000 ecc videobuf2_common intel_soc_dts_iosf snd_soc_max98927 elan_i2<1>[ 33.856871] #PF: supervisor write access in kernel mode <1>[ 33.869208] #PF: error_code(0x0002) - not-present page <6>[ 33.875234] PGD 0 P4D 0 <4>[ 33.878348] Oops: 0002 [#2] SMP PTI <4>[ 33.882531] CPU: 2 PID: 776 Comm: cat Tainted: G D W 5.10.218-cip49 #1 <4>[ 33.891374] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 33.898464] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20 <4>[ 33.903715] Code: 48 c7 c7 48 06 2d 98 8d 70 01 89 35 91 06 eb 03 e8 f6 fe 68 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>[ 33.924988] RSP: 0018:ffffabbdc16bbe60 EFLAGS: 00010286 <4>[ 33.931112] RAX: ffffffff95f807f0 RBX: 0000000000000004 RCX: 0000000000000000 <4>[ 33.939373] RDX: 0000000000000000 RSI: ffff8935bad1bf50 RDI: ffffffff97e40700 <4>[ 33.947632] RBP: ffffffff981c340f R08: 0000000000000000 R09: 0000000000000000 <4>[ 33.955891] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a <4>[ 33.964150] R13: ffffabbdc16bbf10 R14: ffffabbdc16bbf10 R15: ffff893542ae7000 <4>[ 33.972410] FS: 00007f4f42431740(0000) GS:ffff8935bad00000(0000) knlGS:0000000000000000 <4>[ 33.981737] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 33.988442] CR2: 0000000000000000 CR3: 0000000106f4c004 CR4: 00000000003706e0 <4>[ 33.996701] Call Trace: <4>[ 33.999721] ? __die_body.cold+0x1a/0x1f <4>[ 34.004391] ? no_context+0x177/0x380 <4>[ 34.008769] ? exc_page_fault+0x53/0x170 <4>[ 34.013438] ? asm_exc_page_fault+0x1e/0x30 <4>[ 34.018399] ? lkdtm_WARNING_MESSAGE+0x30/0x30 <4>[ 34.023650] ? lkdtm_EXCEPTION+0x5/0x20 <4>[ 34.028221] direct_entry.cold+0x2c/0x38 <4>[ 34.032882] full_proxy_write+0x53/0x80 <4>[ 34.037455] vfs_write+0xe7/0x3b0 <4>[ 34.041444] ksys_write+0x68/0xf0 <4>[ 34.045433] do_syscall_64+0x30/0x40 <4>[ 34.049713] entry_SYSCALL_64_after_hwframe+0x67/0xd1 <4>[ 34.055643] RIP: 0033:0x7f4f4252c240 <4>[ 34.059923] 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>[ 34.081188] RSP: 002b:00007ffc84d004d8 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 <4>[ 34.089935] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f4f4252c240 <4>[ 34.098196] RDX: 000000000000000a RSI: 00007f4f42410000 RDI: 0000000000000001 <4>[ 34.106455] RBP: 000000000000000a R08: 00000000ffffffff R09: 0000000000000000 <4>[ 34.114715] R10: 00007f4f4244d4d0 R11: 0000000000000202 R12: 00007f4f42410000 <4>[ 34.122976] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 c i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c<4>[ 34.131240] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel cros_ec_sysfs cros_usbpd_logger cros_ec_debugfs cros_ec_chardev cros_usbpd_charger cros_ec_lightbar cros_ec_sensorhub iTCO_wdt intel_pmc_bxt intel_pmc_core_pltdrv bluetooth intel_pmc_core uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 processor_thermal_device gsmi iwlmvm ecdh_generic x86_pkg_temp_thermal cros_ec_dev watchdog iwlwifi snd_soc_da7219 idma64 ecc videobuf2_common intel_soc_dts_iosf snd_soc_max98927 elan_i2c i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c int3403_thermal int340x_thermal_zone cros_usbpd_notify pinctrl_sunrisepoint int3400_thermal acpi_thermal_rel coreboot_table chromeos_pstore cros_kbd_led_backlight <4>[ 34.219846] CR2: 0000000000000000 <4>[ 34.223834] ---[ end trace dd4facc418e7929e ]--- <4>[ 34.229280] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 34.233947] Code: 89 ff e8 be a6 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 c0 06 eb 03 <4>[ 34.255219] RSP: 0018:ffffabbdc14abe60 EFLAGS: 00010286 <4>[ 34.261343] RAX: ffffffff95f80790 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 34.269603] RDX: 0000000000000000 RSI: ffff8935bad9bf50 RDI: ffffffff97e406d0 <4>[ 34.277853] RBP: ffffffff98336fc8 R08: 0000000000000001 R09: 0000000000000001 <4>[ 34.286112] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 34.294373] R13: ffffabbdc14abf10 R14: ffffabbdc14abf10 R15: ffff893546d7d000 <4>[ 34.302632] FS: 00007f4f42431740(0000) GS:ffff8935bad00000(0000) knlGS:0000000000000000 <4>[ 34.311960] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 34.318668] CR2: 0000000000000000 CR3: 0000000106f4c004 CR4: 00000000003706e0 <3>[ 34.326927] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 34.337129] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 776, name: cat <4>[ 34.345778] INFO: lockdep is turned off. <4>[ 34.350445] irq event stamp: 0 <4>[ 34.354140] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 34.361429] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 34.370854] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 34.380280] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 34.387574] CPU: 2 PID: 776 Comm: cat Tainted: G D W 5.10.218-cip49 #1 <4>[ 34.396417] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 34.403513] Call Trace: <4>[ 34.406534] dump_stack+0x77/0x9b <4>[ 34.410522] ___might_sleep.cold+0xa6/0xb6 <4>[ 34.415386] exit_signals+0x1c/0x300 <4>[ 34.419665] do_exit+0xc2/0xab0 <4>[ 34.423460] ? ksys_write+0x68/0xf0 <4>[ 34.427644] make_task_dead+0x2f/0x30 <4>[ 34.432012] rewind_stack_and_make_dead+0x17/0x20 <4>[ 34.437577] RIP: 0033:0x7f4f4252c240 <4>[ 34.441857] 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>[ 34.463129] RSP: 002b:00007ffc84d004d8 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 <4>[ 34.471875] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f4f4252c240 <4>[ 34.480135] RDX: 000000000000000a RSI: 00007f4f42410000 RDI: 0000000000000001 <4>[ 34.488393] RBP: 000000000000000a R08: 00000000ffffffff R09: 0000000000000000 <4>[ 34.496651] R10: 00007f4f4244d4d0 R11: 0000000000000202 R12: 00007f4f42410000 <4>[ 34.504912] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 int3403_thermal int340x_thermal_zone cros_usbpd_notify pinctrl_sunrisepoint int3400_thermal acpi_thermal_rel coreboot_table chromeos_pstore cros_kbd_led_backlight # [ 32.654066] CPU: 3 PID: 706 Comm: cat Tainted: G D W 5.10.218-cip49 #1 # [ 32.662944] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 32.670045] RIP: 0010:lkdtm_WARNING+0x13/0x20 # [ 32.675225] 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 c0 06 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 a1 06 # [ 32.702715] RSP: 0018:ffffabbdc158be60 EFLAGS: 00010202 # [ 32.708871] RAX: ffffffff95f807a0 RBX: 0000000000000002 RCX: 0000000000000000 # [ 32.723344] RDX: 0000000000000000 RSI: ffff8935bad9bf50 RDI: ffffffff97e406e0 # [ 32.731629] RBP: ffffffff982d00e7 R08: 0000000000000000 R09: 0000000000000000 # [ 32.739895] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000008 # [ 32.748159] R13: ffffabbdc158bf10 R14: ffffabbdc158bf10 R15: ffff89354409b000 # [ 32.756423] FS: 00007f5a8e206740(0000) GS:ffff8935bad80000(0000) knlGS:0000000000000000 # [ 32.765756] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 32.772467] CR2: 00007f5a8e1e5000 CR3: 00000001024f6005 CR4: 00000000003706e0 # [ 32.780730] Call Trace: # [ 32.783756] ? __warn+0x80/0x110 # [ 32.787681] ? lkdtm_WARNING+0x13/0x20 # [ 32.798367] ? report_bug+0x9e/0xc0 # [ 32.802587] ? handle_bug+0x41/0x90 # [ 32.806779] ? exc_invalid_op+0x14/0x70 # [ 32.811386] ? asm_exc_invalid_op+0x12/0x20 # [ 32.816353] ? lkdtm_BUG+0x10/0x10 # [ 32.820475] ? lkdtm_WARNING+0x13/0x20 # [ 32.824955] direct_entry.cold+0x2c/0x38 # [ 32.829658] full_proxy_write+0x53/0x80 # [ 32.834266] vfs_write+0xe7/0x3b0 # [ 32.838291] ksys_write+0x68/0xf0 # [ 32.842284] do_syscall_64+0x30/0x40 # [ 32.846599] entry_SYSCALL_64_after_hwframe+0x67/0xd1 # [ 32.852584] RIP: 0033:0x7f5a8e301240 # [ 32.856873] 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 # [ 32.884357] RSP: 002b:00007fff12c8b688 EFLAGS: 00000202 <6>[ 34.734216] lkdtm: Performing direct entry CORRUPT_LIST_ADD <6>[ 34.743487] lkdtm: attempting good list addition <6>[ 34.748949] lkdtm: attempting corrupted list addition <3>[ 34.754893] lkdtm: list_add() corruption not detected! ORIG_RAX: 0000000000000001 # [ 32.893138] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007f5a8e301240 # [ 32.901402] RDX: 0000000000000008 RSI: 00007f5a8e1e5000 RDI: 0000000000000001 # [ 32.909666] RBP: 0000000000000008 R08: 00000000ffffffff R09: 0000000000000000 # [ 32.917931] R10: 00007f5a8e2224d0 R11: 0000000000000202 R12: 00007f5a8e1e5000 # [ 32.926226] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 # [ 32.934495] irq event stamp: 0 # [ 32.938225] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 32.945520] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 32.961162] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 32.976805] <6>[ 34.835132] lkdtm: Performing direct entry CORRUPT_LIST_DEL <6>[ 34.842087] lkdtm: attempting good list removal <6>[ 34.847464] lkdtm: attempting corrupted list removal softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 3<3>[ 34.853321] lkdtm: list_del() corruption not detected! 2.984099] ---[ end trace dd4facc418e7929c ]--- # WARNING: saw 'WARNING:': ok ok 3 selftests: lkdtm: WARNING.sh # selftests: lkdtm: WARNING_MESSAGE.sh # [ 33.069979] lkdtm: Performing direct entry WARNING_MESSAGE # [ 33.076813] ------------[ cut here ]------------ # [ 33.088499] Warning message trigger count: 2 # [ 33.099794] WARNING: CPU: 0 PID: 743 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 33.116488] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel cros_ec_sysfs cros_usbpd_logger cros_ec_debugfs cros_ec_chardev cros_usbpd_charger cros_ec_lightbar cros_ec_sensorhub iTCO_wdt intel_pmc_bxt intel_pmc_core_pltdrv bluetooth intel_pmc_core uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 processor_thermal_device gsmi iwlmvm ecdh_generic x86_pkg_temp_thermal cros_ec_dev watchdog iwlwifi snd_soc_da7219 idma64 ecc videobuf2_common intel_soc_dts_iosf snd_soc_max98927 elan_i2c i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c int3403_thermal int340x_thermal_zone cros_usbpd_notify pinctrl_sunrisepoint int3400_thermal acpi_ther<6>[ 34.983015] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING <6>[ 34.990999] lkdtm: attempting bad read from page below current stack <0>[ 34.998399] BUG: stack guard page was hit at 00000000368d7a94 (stack is 000000007cd372c5..000000001a33256b) <4>[ 35.009580] kernel stack overflow (page fault): 0000 [#3] SMP PTI <4>[ 35.016677] CPU: 2 PID: 1008 Comm: cat Tainted: G D W 5.10.218-cip49 #1 <4>[ 35.025624] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 35.032722] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a <4>[ 35.039524] Code: cc cc cc 0f 1f 44 00 00 53 48 c7 c7 e8 09 2d 98 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 8f dd fb ff 48 c7 c7 28 0a 2d 98 <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 75 dd fb ff 0f 1f 44 <4>[ 35.060797] RSP: 0018:ffffabbdc1a4be50 EFLAGS: 00010246 <4>[ 35.066921] RAX: 0000000000000038 RBX: ffffabbdc1a48000 RCX: 0000000000000000 <4>[ 35.075180] RDX: 0000000000000000 RSI: ffff8935bad1bf50 RDI: ffffffff982d0a28 <4>[ 35.083439] RBP: ffffffff982d0152 R08: 0000000000000000 R09: 0000000000000000 <4>[ 35.091700] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019 <4>[ 35.099959] R13: ffffabbdc1a4bf10 R14: ffffabbdc1a4bf10 R15: ffff893546d5f000 <4>[ 35.108218] FS: 00007f0502425740(0000) GS:ffff8935bad00000(0000) knlGS:0000000000000000 <4>[ 35.117545] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 35.124250] CR2: ffffabbdc1a47fff CR3: 0000000104838003 CR4: 00000000003706e0 <4>[ 35.132508] Call Trace: <4>[ 35.135526] <#DF> <4>[ 35.138050] ? __die_body.cold+0x1a/0x1f <4>[ 35.142719] ? die+0x2b/0x50 <4>[ 35.146221] ? handle_stack_overflow+0x3e/0x4d <4>[ 35.151473] ? no_context+0x24d/0x380 <4>[ 35.155848] mal_rel coreboot_table chromeos_pstore cros_kbd_led_backlight #<4>[ 35.158476] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel cros_ec_sysfs cros_usbpd_logger cros_ec_debugfs cros_ec_chardev cros_usbpd_charger cros_ec_lightbar cros_ec_sensorhub iTCO_wdt intel_pmc_bxt intel_pmc_core_pltdrv bluetooth intel_pmc_core uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 processor_thermal_device gsmi iwlmvm ecdh_generic x86_pkg_temp_thermal cros_ec_dev watchdog iwlwifi snd_soc_da7219 idma64 ecc videobuf2_common intel_soc_dts_iosf snd_soc_max98927 elan_i2c i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c int3403_thermal int340x_thermal_zone cros_usbpd_notify pinctrl_sunrisepoint int3400_thermal acpi_thermal_rel coreboot_table chromeos_pstore cros_kbd_led_backlight <4>[ 35.247083] ---[ end trace dd4facc418e7929f ]--- <4>[ 35.252529] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 35.257196] Code: 89 ff e8 be a6 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 c0 06 eb 03 <4>[ 35.278467] RSP: 0018:ffffabbdc14abe60 EFLAGS: 00010286 <4>[ 35.284591] RAX: ffffffff95f80790 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 35.292849] RDX: 0000000000000000 RSI: ffff8935bad9bf50 RDI: ffffffff97e406d0 <4>[ 35.301108] RBP: ffffffff98336fc8 R08: 0000000000000001 R09: 0000000000000001 <4>[ 35.309368] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 35.317627] R13: ffffabbdc14abf10 R14: ffffabbdc14abf10 R15: ffff893546d7d000 <4>[ 35.325888] FS: 00007f0502425740(0000) GS:ffff8935bad00000(0000) knlGS:0000000000000000 <4>[ 35.335215] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 35.341919] CR2: ffffabbdc1a47fff CR3: 0000000104838003 CR4: 00000000003706e0 <3>[ 35.350179] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 35.360381] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1008, name: cat <4>[ 35.369116] INFO: lockdep is turned off. <4>[ 35.373784] irq event stamp: 0 <4>[ 35.377481] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 35.384770] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 35.394188] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 35.403615] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 35.410896] CPU: 2 PID: 1008 Comm: cat Tainted: G D W 5.10.218-cip49 #1 <4>[ 35.419825] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 35.426920] Call Trace: <4>[ 35.429939] dump_stack+0x77/0x9b <4>[ 35.433929] ___might_sleep.cold+0xa6/0xb6 <4>[ 35.438793] exit_signals+0x1c/0x300 <4>[ 35.443072] do_exit+0xc2/0xab0 <4>[ 35.446868] ? ksys_write+0x68/0xf0 <4>[ 35.451050] make_task_dead+0x2f/0x30 <4>[ 35.455427] rewind_stack_and_make_dead+0x17/0x20 <4>[ 35.460968] RIP: 0033:0x7f0502520240 <4>[ 35.465247] 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>[ 35.486509] RSP: 002b:00007ffc7e254848 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 <4>[ 35.495255] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007f0502520240 <4>[ 35.503514] RDX: 0000000000000019 RSI: 00007f0502404000 RDI: 0000000000000001 <4>[ 35.511773] RBP: 0000000000000019 R08: 00000000ffffffff R09: 0000000000000000 <4>[ 35.520032] R10: 00007f05024414d0 R11: 0000000000000202 R12: 00007f0502404000 <4>[ 35.528291] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 [ 33.205062] CPU: 0 PID: 743 Comm: cat Tainted: G D W 5.10.218-cip49 #1 # [ 33.220115] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 33.233428] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 33.245572] Code: cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 a1 06 eb 03 48 c7 c7 48 06 2d 98 8d 70 01 89 35 91 06 eb 03 e8 f6 fe 68 00 <0f> 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 c7 # [ 33.273106] RSP: 0018:ffffabbdc1623e60 EFLAGS: 00010286 # [ 33.285403] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 # [ 33.299900] RDX: ffff8935bac2c620 RSI: ffff8935bac1bf50 RDI: ffff8935bac1bf50 # [ 33.314369] RBP: ffffffff982d00ef R08: 0000000000000000 R09: 0000000000000000 # [ 33.328877] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010 # [ 33.343343] R13: ffffabbdc1623f10 R14: ffffabbdc1623f1<6>[ 35.621757] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING <6>[ 35.630993] lkdtm: attempting bad read from page above current stack <0>[ 35.638404] BUG: stack guard page was hit at 0000000020fc6905 (stack is 00000000b615ae3f..00000000c6126b7a) 0 R15: ffff89354408c000 # [ 33.357833] FS: 00007fc82cb9e740(<4>[ 35.649588] kernel stack overflow (page fault): 0000 [#4] SMP PTI <4>[ 35.662896] CPU: 3 PID: 1042 Comm: cat Tainted: G D W 5.10.218-cip49 #1 0000) GS:ffff8935bac00000(0000) knlGS:0000000000000000 # [ 33<4>[ 35.671838] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 .3<73361] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 4>[ 35.685150] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILING+0x27/0x3d <4>[ 35.698268] Code: dd fb ff 0f 1f 44 00 00 53 48 c7 c7 60 0a 2d 98 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 55 dd fb ff 48 c7 c7 a0 0a 2d 98 <8a> 83 00 40 00 00 88 44 24 07 0f b6 74 24 07 5a 5b e9 38 dd fb ff 33.386286] CR2: 00007fc82cb7d000 CR3: 0000000106592002 CR4: 00<4>[ 35.719544] RSP: 0018:ffffabbdc1b0be50 EFLAGS: 00010246 <4>[ 35.731879] RAX: 0000000000000038 RBX: ffffabbdc1b08000 RCX: 0000000000000000 <4>[ 35.740138] RDX: 0000000000000000 RSI: ffff8935bad9bf50 RDI: ffffffff982d0aa0 <4>[ 35.748398] RBP: ffffffff982d016b R08: 0000000000000000 R09: 0000000000000000 <4>[ 35.756656] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001a <4>[ 35.764914] R13: ffffabbdc1b0bf10 R14: ffffabbdc1b0bf10 R15: ffff89354603b000 <4>[ 35.773175] FS: 00007fd1d98a0740(0000) GS:ffff8935bad80000(0000) knlGS:0000000000000000 <4>[ 35.782502] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 35.789208] CR2: ffffabbdc1b0c000 CR3: 0000000106e64002 CR4: 00000000003706e0 <4>[ 35.797468] Call Trace: <4>[ 35.800485] <#DF> <4>[ 35.803018] ? __die_body.cold+0x1a/0x1f <4>[ 35.807677] ? die+0x2b/0x50 <4>[ 35.811171] ? handle_stack_overflow+0x3e/0x4d <4>[ 35.816422] ? no_context+0x24d/0x380 <4>[ 35.820797] 000000003706f0 # [ 33.400770] Call Trace: # [ 33.410033] <4>[ 35.823424] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel cros_ec_sysfs cros_usbpd_logger cros_ec_debugfs cros_ec_chardev cros_usbpd_charger cros_ec_lightbar cros_ec_sensorhub iTCO_wdt intel_pmc_bxt intel_pmc_core_pltdrv bluetooth intel_pmc_core uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 processor_thermal_device gsmi iwlmvm ecdh_generic x86_pkg_temp_thermal cros_ec_dev watchdog iwlwifi snd_soc_da7219 idma64 ecc videobuf2_common intel_soc_dts_iosf snd_soc_max98927 elan_i2c i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c int3403_thermal int340x_thermal_zone cros_usbpd_notify pinctrl_sunrisepoint int3400_thermal acpi_thermal_rel coreboot_table chromeos_pstore cros_kbd_led_backlight <4>[ 35.912031] ---[ end trace dd4facc418e792a0 ]--- <4>[ 35.917476] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 35.922142] Code: 89 ff e8 be a6 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 c0 06 eb 03 <4>[ 35.943414] RSP: 0018:ffffabbdc14abe60 EFLAGS: 00010286 <4>[ 35.949536] RAX: ffffffff95f80790 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 35.957795] RDX: 0000000000000000 RSI: ffff8935bad9bf50 RDI: ffffffff97e406d0 <4>[ 35.966052] RBP: ffffffff98336fc8 R08: 0000000000000001 R09: 0000000000000001 <4>[ 35.974313] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 35.982575] R13: ffffabbdc14abf10 R14: ffffabbdc14abf10 R15: ffff893546d7d000 <4>[ 35.990834] FS: 00007fd1d98a0740(0000) GS:ffff8935bad80000(0000) knlGS:0000000000000000 <4>[ 36.000162] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 36.006868] CR2: ffffabbdc1b0c000 CR3: 0000000106e64002 CR4: 00000000003706e0 ? __warn+0x80/0x110 # [ 33.420120] ? lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 33.431651] ? report_bug+0x9e/0xc0 # [ 33.442013] ? handle_bug+0x41/0x90 # [ 33.452420] ? exc_invalid_op+0x14/0x70 # [ 33.463208] ? asm_exc_invalid_op+0x12/0x20 # [ 33.474416] ? lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 33.485887] direct_entry.cold+0x2c/0x38 # [ 33.496751] full_proxy_write+0x53/0x80 # [ 33.507552] vfs_write+0xe7/0x3b0 # [ 33.517782] ksys_write+0x68/0xf0 # [ 33.527965] do_syscall_64+0x30/0x40 # [ 33.538457] entry_SYSCALL_64_after_hwframe+0x67/0xd1 # [ 33.550618] RIP: 0033:0x7fc82cc99240 # [ 33.561098] 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 # [ 33.588596] RSP: 002b:00007ffe33514888 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 # [ 33.603560] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007fc82cc99240 # [ 3<6>[ 36.113404] lkdtm: Performing direct entry UNSET_SMEP 3.618047] RDX: 0000000000000010 RSI: 00007fc82cb7d000 RDI: 00000<6>[ 36.120567] lkdtm: trying to clear SMEP normally 00000000001 # [ 33.632520] RBP: 0000000000000010 R08: 0000000<4>[ 36.132225] ------------[ cut here ]------------ 0ffffffff R09: 0000000000000000 # [ 33.646999] R10: 00007fc82<4>[ 36.143889] pinned CR4 bits changed: 0x100000!? cbba4d0 R11: 0000000000000202 R12: 00007fc82cb7d000 # [ 33.66<4>[ 36.155478] WARNING: CPU: 1 PID: 1079 at arch/x86/kernel/cpu/common.c:396 native_write_cr4+0x45/0x60 1509] R13: 0000000000000001 R14: 0000000000020000 R15: 000000000<4>[ 36.172168] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel cros_ec_sysfs cros_usbpd_logger cros_ec_debugfs cros_ec_chardev cros_usbpd_charger cros_ec_lightbar cros_ec_sensorhub iTCO_wdt intel_pmc_bxt intel_pmc_core_pltdrv bluetooth intel_pmc_core uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 processor_thermal_device gsmi iwlmvm ecdh_generic x86_pkg_temp_thermal cros_ec_dev watchdog iwlwifi snd_soc_da7219 idma64 ecc videobuf2_common intel_soc_dts_iosf snd_soc_max98927 elan_i2c i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c int3403_thermal int340x_thermal_zone cros_usbpd_notify pinctrl_sunrisepoint int3400_thermal acpi_thermal_rel coreboot_table chromeos_pstore cros_kbd_led_backlight 0000000 # [ 33.676018] irq event stamp: 0 # [ 33.685927] h<4>[ 36.260748] CPU: 1 PID: 1079 Comm: cat Tainted: G D W 5.10.218-cip49 #1 <4>[ 36.275902] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 ardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 33<4>[ 36.283005] RIP: 0010:native_write_cr4+0x45/0x60 .699453] hardirqs last disabled at (0): [] cop<4>[ 36.294661] Code: 39 c2 75 2d 48 85 f6 75 05 c3 cc cc cc cc 80 3d 27 63 46 03 00 75 f2 48 c7 c7 b0 d4 1c 98 c6 05 17 63 46 03 01 e8 a1 e2 14 01 <0f> 0b c3 cc cc cc cc 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09 y_process+0x65c/0x20e0 # [ 33.715098] softirqs last enabled <4>[ 36.322153] RSP: 0018:ffffabbdc1b6be48 EFLAGS: 00010286 at (0): [] copy_process+0x65c/0x20e0 # [ 33<4>[ 36.334497] RAX: 0000000000000000 RBX: 00000000002706e0 RCX: 0000000000000000 <4>[ 36.348976] RDX: ffff8935bacac620 RSI: ffff8935bac9bf50 RDI: ffff8935bac9bf50 .730730] softirqs last disabled at (0): [<0000000000000000>] 0x0<4>[ 36.357241] RBP: ffffffff982d0185 R08: 0000000000000000 R09: 0000000000000000 <4>[ 36.371713] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b # [ 33.744239] ---[ end trace dd4facc418e7929d ]--- # WARNI<4>[ 36.379978] R13: ffffabbdc1b6bf10 R14: ffffabbdc1b6bf10 R15: ffff893542aed000 NG_MESSAGE: saw 'message trigger': ok ok 4 selftests: lkdtm: WA<4>[ 36.394453] FS: 00007fed20e61740(0000) GS:ffff8935bac80000(0000) knlGS:0000000000000000 RNING_MESSAGE.sh # selftests: lkdtm: EXCEPTION.sh # Killed # <4>[ 36.410006] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 33.839513] lkdtm: Performing direct entry EXCEPTION # [ 3<4>[ 36.422928] CR2: 00007fed20e40000 CR3: 0000000107c2e003 CR4: 00000000003706e0 3.848796] BUG: kernel NULL pointer dereference, address: 0000000<4>[ 36.437406] Call Trace: 000000000 # [ 33.856871] #PF: supervisor write access in kern<4>[ 36.446664] ? __warn+0x80/0x110 el mode # [ 33.869208] #PF: error_code(0x0002) - not-present <4>[ 36.456782] ? native_write_cr4+0x45/0x60 page # [ 33.875234] PGD 0 P4D 0 # [ 33.878348] Oops: 0002<4>[ 36.467759] ? report_bug+0x9e/0xc0 [#2] SMP PTI # [ 33.882531] CPU: 2 PID: 776 Comm: cat Tainte<4>[ 36.478140] ? handle_bug+0x41/0x90 d: G D W 5.10.218-cip49 #1 # [ 33.891374] Hardwa<4>[ 36.488538] ? exc_invalid_op+0x14/0x70 <4>[ 36.499354] ? asm_exc_invalid_op+0x12/0x20 re name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 33.898464<4>[ 36.504323] ? native_write_cr4+0x45/0x60 ] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20 # [ 33.903715] Code: 48 <4>[ 36.515300] ? native_write_cr4+0x45/0x60 c7 c7 48 06 2d 98 8d 70 01 89 35 91 06 eb 03 e8 f6 fe 68 00 0f 0<4>[ 36.526280] lkdtm_UNSET_SMEP.cold+0x1d/0x103 b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 <4>[ 36.537653] direct_entry.cold+0x2c/0x38 04 25 00 00 00 00 00 00 00 00 c3 cc cc cc cc 66 66 2e 0f 1f 84 <4>[ 36.548543] full_proxy_write+0x53/0x80 # [ 33.924988] RSP: 0018:ffffabbdc16bbe60 EFLAGS: 00010286 # <4>[ 36.559330] vfs_write+0xe7/0x3b0 [ 33.931112] RAX: ffffffff95f807f0 RBX: 0000000000000004 RCX: <4>[ 36.569537] ksys_write+0x68/0xf0 0000000000000000 # [ 33.939373] RDX: 0000000000000000 RSI: ff<4>[ 36.579744] do_syscall_64+0x30/0x40 ff8935bad1bf50 RDI: ffffffff97e40700 # [ 33.947632] RBP: ffff<4>[ 36.590242] entry_SYSCALL_64_after_hwframe+0x67/0xd1 ffff981c340f R08: 0000000000000000 R09: 0000000000000000 # [ <4>[ 36.602393] RIP: 0033:0x7fed20f5c240 33.955891] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000<4>[ 36.612890] 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 00000000000a # [ 33.964150] R13: ffffabbdc16bbf10 R14: ffffab<4>[ 36.640381] RSP: 002b:00007ffefd311ca8 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 <4>[ 36.655346] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007fed20f5c240 bdc16bbf10 R15: ffff893542ae7000 # [ 33.972410] FS: 00007f4f<4>[ 36.663623] RDX: 000000000000000b RSI: 00007fed20e40000 RDI: 0000000000000001 42431740(0000) GS:ffff8935bad00000(0000) knlGS:0000000000000000 <4>[ 36.678095] RBP: 000000000000000b R08: 00000000ffffffff R09: 0000000000000000 # [ 33.981737] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050<4>[ 36.692579] R10: 00007fed20e7d4d0 R11: 0000000000000202 R12: 00007fed20e40000 <4>[ 36.707054] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 033 # [ 33.988442] CR2: 0000000000000000 CR3: 0000000106f4c00<4>[ 36.715323] irq event stamp: 0 <4>[ 36.725227] hardirqs last enabled at (0): [<0000000000000000>] 0x0 4 CR4: 00000000003706e0 # [ 33.996701] Call Trace: # [ 33.<4>[ 36.732522] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 36.748160] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 999721] ? __die_body.cold+0x1a/0x1f # [ 34.004391] ? no_con<4>[ 36.757590] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 36.771091] ---[ end trace dd4facc418e792a1 ]--- text+0x177/0x380 # [ 34.008769] ? exc_page_fault+0x53/0x170 <6>[ 36.776542] lkdtm: ok: SMEP did not get cleared <6>[ 36.788098] lkdtm: trying to clear SMEP with call gadget # [ 34.013438] ? asm_exc_page_fault+0x1e/0x30 # [ 34.0183<6>[ 36.794326] lkdtm: ok: SMEP removal was reverted 99] ? lkdtm_WARNING_MESSAGE+0x30/0x30 # [ 34.023650] ? lkdtm_EXCEPTION+0x5/0x20 # [ 34.028221] direct_entry.cold+0x2c/0x38 # [ 34.032882] full_proxy_write+0x53/0x80 # [ 34.037455] vfs_write+0xe7/0x3b0 # [ 34.041444] ksys_write+0x68/0xf0 # [ 34.045433] do_syscall_64+0x30/0x40 # [ 34.049713] entry_SYSCALL_64_after_hwframe+0x67/0xd1 # [ 34.055643] RIP: 0033:0x7f4f4252c240 # [ 34.059923] 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 # [ 34.081188] RSP: 002b:00007ffc84d004d8 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 # [ 34.089935] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f4f4252c240 # [ 34.098196] RDX: 000000000000000a RSI: 00007f4f42410000 RDI: 0000000000000001 # [ 34.106455]<6>[ 36.889766] lkdtm: Performing direct entry DOUBLE_FAULT <3>[ 36.899128] lkdtm: XFAIL: this test is ia32-only RBP: 000000000000000a R08: 00000000ffffffff R09: 0000000000000000 # [ 34.114715] R10: 00007f4f4244d4d0 R11: 0000000000000202 R12: 00007f4f42410000 # [ 34.122976] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 # [ 34.131240] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel cros_ec_sysfs cros_usbpd_logger cros_ec_debugfs cros_ec_chardev cros_usbpd_charger cros_ec_lightbar cros_ec_sensorhub iTCO_wdt intel_pmc_bxt intel_pmc_core_pltdrv bluetooth intel_pmc_core uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 processor_thermal_device gsmi iwlmvm ecdh_generic x86_pkg_temp_thermal cros_ec_dev watchdog iwlwifi snd_soc_da7219 idma64 ecc videobuf2_common intel_soc_dts_iosf sn<6>[ 36.983005] lkdtm: Performing direct entry CORRUPT_PAC <3>[ 36.991495] lkdtm: XFAIL: this test is arm64-only d_soc_max98927 elan_i2c i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c int3403_thermal int340x_thermal_zone cros_usbpd_notify pinctrl_sunrisepoint int3400_thermal acpi_thermal_rel coreboot_table chromeos_pstore cros_kbd_led_backlight # [ 34.219846] CR2: 0000000000000000 # [ 34.223834] ---[ end trace dd4facc418e7929e ]--- # [ 34.229280] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 34.233947] Code: 89 ff e8 be a6 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 c0 06 eb 03 # [ 34.255219] RSP: 0018:ffffabbdc14abe60 EFLAGS: 00010286 # [ 34.261343] RAX: ffffffff95f80790 RBX: 0000000000000001 RCX: 0000000000000000 # [ 34.269603] RDX: 0000000000000000 RSI: ffff8935bad9bf50 RDI: ffffffff97e406d0 # [ 34.277853] RBP: ffffffff98336fc8 R08: 0000000000000001 R09: 0000000000000001 # [ 34.286112] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 34.294373<6>[ 37.094098] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE ] R13: ffffabbdc14abf10 R14: ffffabbdc14abf10 R15: ffff893546d7d<3>[ 37.104068] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS 000 # [ 34.302632] FS: 00007f4f42431740(0000) GS:ffff8935bad00000(0000) knlGS:0000000000000000 # [ 34.311960] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 34.318668] CR2: 0000000000000000 CR3: 0000000106f4c004 CR4: 00000000003706e0 # [ 34.326927] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 34.337129] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 776, name: cat # [ 34.345778] INFO: lockdep is turned off. # [ 34.350445] irq event stamp: 0 # [ 34.354140] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 34.361429] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 34.370854] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 34.380280] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 34.387574] CPU: 2 PID: 776 Comm: cat Tainted: G D W 5.10.218-cip49 #1 # [ 34.396417] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 34.403513] Call Trace: # [ 34.406534] dump_stack+0x77/0x9b # [ 34.410522] ___might_sleep.cold+0xa6/0xb6 # [ 34.415386] exit_signals+0x1c/0x300 # [ 34.419665] do_exit+0xc2/0xab0 # [ 34.423460] ? ksys_write+0x68/0xf0 # [ 34.427644] make_task_dead+0x2f/0x30 # [ 34.432012] rewind_stack_and_make_dead+0x17/0x20 # [ 34.437577] RIP: 0033:0x7f4f425<6>[ 37.251071] lkdtm: Performing direct entry READ_AFTER_FREE 2c240 # [ 34.441857] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 6<6>[ 37.261319] lkdtm: Value in memory before free: 12345678 4 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00<6>[ 37.273755] lkdtm: Attempting bad read from freed memory 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 8<6>[ 37.286186] lkdtm: Memory was not poisoned 0 00 00 00 00 48 83 ec 28 48 89 # [ 34.463129] RSP: 002b:00007ffc84d004d8 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 # [ 34.471875] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f4f4252c240 # [ 34.480135] RDX: 000000000000000a RSI: 00007f4f42410000 RDI: 0000000000000001 # [ 34.488393] RBP: 000000000000000a R08: 00000000ffffffff R09: 0000000000000000 # [ 34.496651] R10: 00007f4f4244d4d0 R11: 0000000000000202 R12: 00007f4f42410000 # [ 34.504912] 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<6>[ 37.403781] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE _STRONG.sh # SKIP # selftests: lkdtm: CORRUPT_LIST_ADD.sh # [ <6>[ 37.416250] lkdtm: Value in memory before free: 12345678 34.734216] lkdtm: Performing direct entry CORRUPT_LIST_ADD # <6>[ 37.428691] lkdtm: Attempting to read from freed memory [ 34.743487] lkdtm: attempting good list addition # [ 34.74<6>[ 37.441030] lkdtm: Buddy page was not poisoned 8949] lkdtm: attempting corrupted list addition # [ 34.754893] 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 # [ 34.835132] lkdtm: Performing direct entry CORRUPT_LIST_DEL # [ 34.842087] lkdtm: attempting good list removal # [ 34.847464] lkdtm: attempting corrupted list removal # [ 34.853321] 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 # [ 34.983015] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING # [ 34.990999] lkdtm: attempting bad read from page below cu<6>[ 37.528435] lkdtm: Performing direct entry SLAB_FREE_DOUBLE <6>[ 37.539837] lkdtm: Attempting double slab free ... rrent stack # [ 34.998399] BUG: stack guard page was hit at 00000000368d7a94 (stack is 000000007cd372c5..000000001a33256b) # [ 35.009580] kernel stack overflow (page fault): 0000 [#3] SMP PTI # [ 35.016677] CPU: 2 PID: 1008 Comm: cat Tainted: G D W 5.10.218-cip49 #1 # [ 35.025624] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 35.032722] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a # [ 35.039524] Code: cc cc cc 0f 1f 44 00 00 53 48 c7 c7 e8 09 2d 98 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 8f dd fb ff 48 c7 c7 28 0a 2d 98 <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 75 dd fb ff 0f 1f 44 # [ 35.060797] RSP: 0018:ffffabbdc1a4be50 EFLAGS: 00010246 # [ 35.066921] RAX: 0000000000000038 RBX: ffffabbdc1a48000 RCX: 0000000000000000 # [ 35.075180] RDX: 000000000000000<6>[ 37.625088] lkdtm: Performing direct entry SLAB_FREE_CROSS 0 RSI: ffff8935bad1bf50 RDI: ffffffff982d0a28 # [ 35.083439] <6>[ 37.632713] lkdtm: Attempting cross-cache slab free ... RBP: ffffffff982d0152 R08: 0000000000000000 R09: 0000000000000000 # [ 35.091700] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019 # [ 35.099959] R13: ffffabbdc1a4bf10 R14: ffffabbdc1a4bf10 R15: ffff893546d5f000 # [ 35.108218] FS: 00007f0502425740(0000) GS:ffff8935bad00000(0000) knlGS:0000000000000000 # [ 35.117545] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 35.124250] CR2: ffffabbdc1a47fff CR3: 0000000104838003 CR4: 00000000003706e0 # [ 35.132508] Call Trace: # [ 35.135526] <#DF> # [ 35.138050] ? __die_body.cold+0x1a/0x1f # [ 35.142719] ? die+0x2b/0x50 # [ 35.146221] ? handle_stack_overflow+0x3e/0x4d # [ 35.151473] ? no_context+0x24d/0x380 # [ 35.155848] # [ 35.158476] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industri<6>[ 37.726523] lkdtm: Performing direct entry SLAB_FREE_PAGE <6>[ 37.738412] lkdtm: Attempting non-Slab slab free ... alio btusb btrtl btbcm btintel cros_ec_sysfs cros_usbpd_logger cros_ec_debugfs cros_ec_chardev cros_usbpd_charger cros_ec_lightbar cros_ec_sensorhub iTCO_wdt intel_pmc_bxt intel_pmc_core_pltdrv bluetooth intel_pmc_core uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 processor_thermal_device gsmi iwlmvm ecdh_generic x86_pkg_temp_thermal cros_ec_dev watchdog iwlwifi snd_soc_da7219 idma64 ecc videobuf2_common intel_soc_dts_iosf snd_soc_max98927 elan_i2c i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c int3403_thermal int340x_thermal_zone cros_usbpd_notify pinctrl_sunrisepoint int3400_thermal acpi_thermal_rel coreboot_table chromeos_pstore cros_kbd_led_backlight # [ 35.247083] ---[ end trace dd4facc418e7929f ]--- # [ 35.252529] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 35.257196] Code: 89 ff e8 be a6 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 c0 06 eb 03 # [ 35.278467] RSP: 0018:ffffabbdc14abe60 EFLAGS: 00010286 # [ 35.284591] RAX: ffffffff95f80790 RBX: 0000000000000001 RCX: 0000000000000000 # [ 35.292849] RDX: 0000000000000000 RSI: ffff8935bad9bf50 RDI: ffffffff97e406d0 # [ 35.301108] RBP: ffffffff98336fc8 R08: 0000000000000001 R09: 0000000000000001 # [ 35.309368] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 35.317627] R13: ffffabbdc14abf10 R14: ffffabbdc14abf10 R15: ffff893546d7d000 # [ 35.325888] FS: 00007f0502425740(0000) GS:ffff8935bad00000(0000) knlGS:0000000000000000 # [ 35.335215] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 35.341919] CR2: ffffabbdc1a47fff CR3: 0000000104838003 CR4: 00000000003706e0 # [ 35.350179] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 35.360381] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1008, name: cat # [ 35.369116] INFO: lockdep is turned off. # [ 35.373784] irq event stamp: 0 # [ 35.377481] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 35.384770] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 35.394188] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 35.403615] so<6>[ 37.963209] lkdtm: Performing direct entry EXEC_DATA ftirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 35.<6>[ 37.973930] lkdtm: attempting ok execution at ffffffff95f80b60 410896] CPU: 2 PID: 1008 Comm: cat Tainted: G D W 5<6>[ 37.986973] lkdtm: attempting bad execution at ffffffff99e30ea0 .10.218-cip49 #1 # [ 35.419825] Hardware name: Google Rammus/<2>[ 38.000091] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) <1>[ 38.014916] BUG: unable to handle page fault for address: ffffffff99e30ea0 <1>[ 38.022884] #PF: supervisor instruction fetch in kernel mode <1>[ 38.029492] #PF: error_code(0x0011) - permissions violation <6>[ 38.036003] PGD 132029067 P4D 132029067 PUD 13202a063 PMD 80000001338000e3 <4>[ 38.044078] Oops: 0011 [#5] SMP PTI <4>[ 38.048260] CPU: 0 PID: 1603 Comm: cat Tainted: G D W 5.10.218-cip49 #1 <4>[ 38.057200] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 38.064297] RIP: 0010:data_area+0x0/0x40 <4>[ 38.068969] Code: ff ff 00 42 65 45 35 89 ff ff 00 41 65 45 35 89 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>[ 38.090244] RSP: 0018:ffffabbdc238be48 EFLAGS: 00010246 <4>[ 38.096359] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 38.104625] RDX: 0000000000000000 RSI: ffff8935bac1bf50 RDI: ffff8935bac1bf50 <4>[ 38.112886] RBP: ffffffff99e30ea0 R08: 0000000000000000 R09: 0000000000000000 <4>[ 38.121146] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a <4>[ 38.129407] R13: ffffabbdc238bf10 R14: ffffabbdc238bf10 R15: ffff893547c2e000 <4>[ 38.137659] FS: 00007fea9dae7740(0000) GS:ffff8935bac00000(0000) knlGS:0000000000000000 <4>[ 38.146989] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 38.153694] CR2: ffffffff99e30ea0 CR3: 0000000106e04002 CR4: 00000000003706f0 <4>[ 38.161955] Call Trace: <4>[ 38.164975] ? __die_body.cold+0x1a/0x1f <4>[ 38.169651] ? no_context+0x177/0x380 <4>[ 38.174035] ? exc_page_fault+0xd7/0x170 <4>[ 38.178709] ? asm_exc_page_fault+0x1e/0x30 <4>[ 38.183665] ? execute_location+0x45/0x56 <4>[ 38.188436] ? direct_entry.cold+0x2c/0x38 <4>[ 38.193301] ? full_proxy_write+0x53/0x80 <4>[ 38.198072] ? vfs_write+0xe7/0x3b0 <4>[ 38.202246] ? ksys_write+0x68/0xf0 <4>[ 38.206429] ? do_syscall_64+0x30/0x40 <4>[ 38.210903] ? entry_SYSCALL_64_after_hwframe+0x67/0xd1 <4>[ 38.217030] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel cros_ec_sysfs cros_usbpd_logger cros_ec_debugfs cros_ec_chardev cros_usbpd_charger cros_ec_lightbar cros_ec_sensorhub iTCO_wdt intel_pmc_bxt intel_pmc_core_pltdrv bluetooth intel_pmc_core uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 processor_thermal_device gsmi iwlmvm ecdh_generic x86_pkg_temp_thermal cros_ec_dev watchdog iwlwifi snd_soc_da7219 idma64 ecc videobuf2_common intel_soc_dts_iosf snd_soc_max98927 elan_i2c i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c int3403_thermal int340x_thermal_zone cros_usbpd_notify pinctrl_sunrisepoint int3400_thermal acpi_thermal_rel coreboot_table chromeos_pstore cros_kbd_led_backlight <4>[ 38.299431] CR2: ffffffff99e30ea0 <4>[ 38.303420] ---[ end trace dd4facc418e792a2 ]--- <4>[ 38.308856] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 38.313523] Code: 89 ff e8 be a6 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 c0 06 eb 03 <4>[ 38.334796] RSP: 0018:ffffabbdc14abe60 EFLAGS: 00010286 <4>[ 38.340912] RAX: ffffffff95f80790 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 38.349172] RDX: 0000000000000000 RSI: ffff8935bad9bf50 RDI: ffffffff97e406d0 <4>[ 38.357432] RBP: ffffffff98336fc8 R08: 0000000000000001 R09: 0000000000000001 <4>[ 38.365693] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 38.373952] R13: ffffabbdc14abf10 R14: ffffabbdc14abf10 R15: ffff893546d7d000 <4>[ 38.382213] FS: 00007fea9dae7740(0000) GS:ffff8935bac00000(0000) knlGS:0000000000000000 <4>[ 38.391543] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 38.398241] CR2: ffffffff99e30ea0 CR3: 0000000106e04002 CR4: 00000000003706f0 <3>[ 38.406502] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 38.416703] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1603, name: cat <4>[ 38.425449] INFO: lockdep is turned off. <4>[ 38.430115] irq event stamp: 0 <4>[ 38.433812] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 38.441103] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 38.450529] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 38.459953] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 38.467243] CPU: 0 PID: 1603 Comm: cat Tainted: G D W 5.10.218-cip49 #1 <4>[ 38.476174] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 38.483269] Call Trace: <4>[ 38.486288] dump_stack+0x77/0x9b <4>[ 38.490284] ___might_sleep.cold+0xa6/0xb6 <4>[ 38.495152] exit_signals+0x1c/0x300 <4>[ 38.499433] do_exit+0xc2/0xab0 <4>[ 38.503228] ? ksys_write+0x68/0xf0 <4>[ 38.507410] make_task_dead+0x2f/0x30 <4>[ 38.511779] rewind_stack_and_make_dead+0x17/0x20 <4>[ 38.517322] RIP: 0033:0x7fea9dbe2240 <4>[ 38.521592] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89 <4>[ 38.542855] RSP: 002b:00007ffea0034628 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 <4>[ 38.551600] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fea9dbe2240 <4>[ 38.559881] RDX: 000000000000000a RSI: 00007fea9dac6000 RDI: 0000000000000001 <4>[ 38.568139] RBP: 000000000000000a R08: 00000000ffffffff R09: 0000000000000000 <4>[ 38.576398] R10: 00007fea9db034d0 R11: 0000000000000202 R12: 00007fea9dac6000 <4>[ 38.584658] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 Rammus, BIOS 09/04/2020 # [ 35.426920] Call Trace: # [ 35.429939] dump_stack+0x77/0x9b # [ 35.433929] ___might_sleep.cold+0xa6/0xb6 # [ 35.438793] exit_signals+0x1c/0x300 # [ 35.443072] do_exit+0xc2/0xab0 # [ 35.446868] ? ksys_write+0x68/0xf0 # [ 35.451050] make_task_dead+0x2f/0x30 # [ 35.455427] rewind_stack_and_make_dead+0x17/0x20 # [ 35.460968] RIP: 0033:0x7f0502520240 # [ 35.465247] 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 # [ 35.486509] RSP: 002b:00007ffc7e254848 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 # [ 35.495255] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007f0502520240 # [ 35.503514] RDX: 0000000000000019 RSI: 00007f0502404000 RDI: 0000000000000001 # [ 35.511773] RBP: 0000000000000019 R08: 00000000ffffffff R09: 0000000000000000 # [ 35.520032] R10: 00007f05024414d0 R11: 0000000000000202 R12: 00007f0502404000 # [ 35.528291] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 # STACK_GUARD_<6>[ 38.704693] lkdtm: Performing direct entry EXEC_STACK PAGE_LEADING: saw 'call trace:': ok ok 12 selftests: lkdtm: STA<6>[ 38.710760] lkdtm: attempting ok execution at ffffffff95f80b60 CK_GUARD_PAGE_LEADING.sh # selftests: lkdtm: STACK_GUARD_PAGE_T<6>[ 38.723782] lkdtm: attempting bad execution at ffffabbdc241be18 RAILING.sh # Segmentation fault # [ 35.621757] lkdtm: Perfor<2>[ 38.736899] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) <1>[ 38.751760] BUG: unable to handle page fault for address: ffffabbdc241be18 <1>[ 38.759729] #PF: supervisor instruction fetch in kernel mode <1>[ 38.766331] #PF: error_code(0x0011) - permissions violation <6>[ 38.772845] PGD 100000067 P4D 100000067 PUD 100242067 PMD 1052e8067 PTE 80000001033d1063 ming direct entry STACK_GUARD_PAGE_TRAILING # [ 35.630993] lk<4>[ 38.782179] Oops: 0011 [#6] SMP PTI <4>[ 38.792589] CPU: 1 PID: 1640 Comm: cat Tainted: G D W 5.10.218-cip49 #1 dtm: attempting bad read from page above current stack # [ 35<4>[ 38.801537] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 38.814849] RIP: 0010:0xffffabbdc241be18 <4>[ 38.819516] Code: 00 00 18 be 41 c2 bd ab ff ff 7b 87 65 96 ff ff ff ff 20 00 00 00 00 00 00 00 ae 02 2d 98 ff ff ff ff aa 88 65 96 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>[ 38.840790] RSP: 0018:ffffabbdc241bdf8 EFLAGS: 00010246 <4>[ 38.846916] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 38.855176] RDX: 0000000000000000 RSI: ffff8935bac9bf50 RDI: ffff8935bac9bf50 <4>[ 38.863435] RBP: ffffabbdc241be18 R08: 0000000000000000 R09: 0000000000000000 <4>[ 38.871696] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b <4>[ 38.879956] R13: ffffabbdc241bf10 R14: ffffabbdc241bf10 R15: ffff893545380000 <4>[ 38.888218] FS: 00007f3503f5a740(0000) GS:ffff8935bac80000(0000) knlGS:0000000000000000 <4>[ 38.897538] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 38.904246] CR2: ffffabbdc241be18 CR3: 00000001024e4004 CR4: 00000000003706e0 <4>[ 38.912499] Call Trace: .6<38404] BUG: stack guard page was hit at 0000000020fc6905 (stac4>[ 38.915521] ? __die_body.cold+0x1a/0x1f <4>[ 38.926406] ? no_context+0x177/0x380 k is 00000000b615ae3f..00000000c6126b7a) # [ 35.649588] kerne<4>[ 38.930787] ? exc_page_fault+0xd7/0x170 <4>[ 38.941666] ? asm_exc_page_fault+0x1e/0x30 l [ 38.946631] ? execute_location+0x45/0x56 <4>[ 38.957631] ? lkdtm_EXEC_STACK+0x26/0x44 <4>[ 38.962399] ? direct_entry.cold+0x2c/0x38 6] CPU: 3 PID: 1042 Comm: cat Tainted: G D W 5.10.2<4>[ 38.967265] ? full_proxy_write+0x53/0x80 <4>[ 38.978242] ? vfs_write+0xe7/0x3b0 <4>[ 38.982426] ? ksys_write+0x68/0xf0 <4>[ 38.986627] ? do_syscall_64+0x30/0x40 <4>[ 38.991101] ? entry_SYSCALL_64_after_hwframe+0x67/0xd1 18-cip49 #1 # [ 35.671838] Hardware name: Google Rammus/Rammu<4>[ 38.997229] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel cros_ec_sysfs cros_usbpd_logger cros_ec_debugfs cros_ec_chardev cros_usbpd_charger cros_ec_lightbar cros_ec_sensorhub iTCO_wdt intel_pmc_bxt intel_pmc_core_pltdrv bluetooth intel_pmc_core uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 processor_thermal_device gsmi iwlmvm ecdh_generic x86_pkg_temp_thermal cros_ec_dev watchdog iwlwifi snd_soc_da7219 idma64 ecc videobuf2_common intel_soc_dts_iosf snd_soc_max98927 elan_i2c i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c int3403_thermal int340x_thermal_zone cros_usbpd_notify pinctrl_sunrisepoint int3400_thermal acpi_thermal_rel coreboot_table chromeos_pstore cros_kbd_led_backlight <4>[ 39.085809] CR2: ffffabbdc241be18 <4>[ 39.089799] ---[ end trace dd4facc418e792a3 ]--- <4>[ 39.095244] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 39.099912] Code: 89 ff e8 be a6 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 c0 06 eb 03 <4>[ 39.121186] RSP: 0018:ffffabbdc14abe60 EFLAGS: 00010286 <4>[ 39.127311] RAX: ffffffff95f80790 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 39.135581] RDX: 0000000000000000 RSI: ffff8935bad9bf50 RDI: ffffffff97e406d0 <4>[ 39.143832] RBP: ffffffff98336fc8 R08: 0000000000000001 R09: 0000000000000001 <4>[ 39.152092] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 39.160352] R13: ffffabbdc14abf10 R14: ffffabbdc14abf10 R15: ffff893546d7d000 <4>[ 39.168629] FS: 00007f3503f5a740(0000) GS:ffff8935bac80000(0000) knlGS:0000000000000000 <4>[ 39.177959] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 39.184666] CR2: ffffabbdc241be18 CR3: 00000001024e4004 CR4: 00000000003706e0 s, BIOS 09/04/2020 # [ 35.685150] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILING+0x27/0x3d # [ 35.698268] Code: dd fb ff 0f 1f 44 00 00 53 48 c7 c7 60 0a 2d 98 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 55 dd fb ff 48 c7 c7 a0 0a 2d 98 <8a> 83 00 40 00 00 88 44 24 07 0f b6 74 24 07 5a 5b e9 38 dd fb ff # [ 35.719544] RSP: 0018:ffffabbdc1b0be50 EFLAGS: 00010246 # [ 35.731879] RAX: 0000000000000038 RBX: ffffabbdc1b08000 RCX: 0000000000000000 # [ 35.740138] RDX: 0000000000000000 RSI: ffff8935bad9bf50 RDI: ffffffff982d0aa0 # [ 35.748398] RBP: ffffffff982d016b R08: 0000000000000000 R09: 0000000000000000 # [ 35.756656] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001a # [ 35.764914] R13: ffffabbdc1b0bf10 R14: ffffabbdc1b0bf10 R15: ffff89354603b000 # [ 35.773175] FS: 00007fd1d98a0740(0000) GS:ffff8935bad80000(0000) knlGS:0000000000000000 # [ 35.782502] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 35.789208] CR2: ffffabbdc1b0c000 CR3: 0000000106e64002 CR4: 00000000003706e0 # [ 35.797468] Call Trace: # [ 35.800485] <#<6>[ 39.295014] lkdtm: Performing direct entry EXEC_KMALLOC <6>[ 39.304739] lkdtm: attempting ok execution at ffffffff95f80b60 <6>[ 39.311583] lkdtm: attempting bad execution at ffff8935460fa800 <2>[ 39.318516] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) <1>[ 39.327174] BUG: unable to handle page fault for address: ffff8935460fa800 <1>[ 39.335144] #PF: supervisor instruction fetch in kernel mode <1>[ 39.341746] #PF: error_code(0x0011) - permissions violation DF<> # [ 35.803018] ? __die_body.cold+0x1a/0x1f # [ 35.8076>[ 39.348250] PGD 133a01067 P4D 133a01067 PUD 100249063 PMD 10619a063 PTE 80000001060fa063 <4>[ 39.363800] Oops: 0011 [#7] SMP PTI <4>[ 39.367984] CPU: 3 PID: 1677 Comm: cat Tainted: G D W 5.10.218-cip49 #1 <4>[ 39.376922] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 39.384017] RIP: 0010:0xffff8935460fa800 <4>[ 39.388684] Code: ad de 00 f9 c9 47 35 89 ff ff 00 a5 0f 46 35 89 ff ff 00 00 00 00 00 00 00 00 00 00 00 00 40 00 38 00 09 00 40 00 18 00 17 00 <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 <4>[ 39.409956] RSP: 0018:ffffabbdc24a3e38 EFLAGS: 00010246 <4>[ 39.416073] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 39.424325] RDX: 0000000000000000 RSI: ffff8935bad9bf50 RDI: ffff8935bad9bf50 <4>[ 39.432584] RBP: ffff8935460fa800 R08: 0000000000000000 R09: 0000000000000000 <4>[ 39.440844] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d <4>[ 39.449103] R13: ffffabbdc24a3f10 R14: ffffabbdc24a3f10 R15: ffff893547fb7000 <4>[ 39.457365] FS: 00007f5985cde740(0000) GS:ffff8935bad80000(0000) knlGS:0000000000000000 <4>[ 39.466693] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 39.473399] CR2: ffff8935460fa800 CR3: 0000000104510001 CR4: 00000000003706e0 <4>[ 39.481657] Call Trace: <4>[ 39.484677] ? __die_body.cold+0x1a/0x1f <4>[ 39.489346] ? no_context+0x177/0x380 <4>[ 39.493726] ? exc_page_fault+0xd7/0x170 <4>[ 39.498394] ? asm_exc_page_fault+0x1e/0x30 <4>[ 39.503357] ? execute_location+0x45/0x56 <4>[ 39.508123] ? lkdtm_EXEC_KMALLOC+0x2c/0x40 <4>[ 39.513083] ? direct_entry.cold+0x2c/0x38 <4>[ 39.517947] ? full_proxy_write+0x53/0x80 <4>[ 39.522712] ? vfs_write+0xe7/0x3b0 <4>[ 39.526895] ? ksys_write+0x68/0xf0 <4>[ 39.531078] ? do_syscall_64+0x30/0x40 <4>[ 39.535576] ? entry_SYSCALL_64_after_hwframe+0x67/0xd1 677] ? die+0x2b/0x50 # [ 35.811171] ? handle_stack_overflow<4>[ 39.541703] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel cros_ec_sysfs cros_usbpd_logger cros_ec_debugfs cros_ec_chardev cros_usbpd_charger cros_ec_lightbar cros_ec_sensorhub iTCO_wdt intel_pmc_bxt intel_pmc_core_pltdrv bluetooth intel_pmc_core uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 processor_thermal_device gsmi iwlmvm ecdh_generic x86_pkg_temp_thermal cros_ec_dev watchdog iwlwifi snd_soc_da7219 idma64 ecc videobuf2_common intel_soc_dts_iosf snd_soc_max98927 elan_i2c i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c int3403_thermal int340x_thermal_zone cros_usbpd_notify pinctrl_sunrisepoint int3400_thermal acpi_thermal_rel coreboot_table chromeos_pstore cros_kbd_led_backlight <4>[ 39.630302] CR2: ffff8935460fa800 <4>[ 39.634289] ---[ end trace dd4facc418e792a4 ]--- <4>[ 39.639733] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 39.644402] Code: 89 ff e8 be a6 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 c0 06 eb 03 <4>[ 39.665664] RSP: 0018:ffffabbdc14abe60 EFLAGS: 00010286 <4>[ 39.671787] RAX: ffffffff95f80790 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 39.680046] RDX: 0000000000000000 RSI: ffff8935bad9bf50 RDI: ffffffff97e406d0 <4>[ 39.688305] RBP: ffffffff98336fc8 R08: 0000000000000001 R09: 0000000000000001 <4>[ 39.696574] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 39.704835] R13: ffffabbdc14abf10 R14: ffffabbdc14abf10 R15: ffff893546d7d000 <4>[ 39.713087] FS: 00007f5985cde740(0000) GS:ffff8935bad80000(0000) knlGS:0000000000000000 <4>[ 39.722413] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 39.729118] CR2: ffff8935460fa800 CR3: 0000000104510001 CR4: 00000000003706e0 <3>[ 39.737379] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 39.747572] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1677, name: cat <4>[ 39.756318] INFO: lockdep is turned off. <4>[ 39.760983] irq event stamp: 0 <4>[ 39.764680] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 39.771967] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 39.781393] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 39.790818] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 39.798107] CPU: 3 PID: 1677 Comm: cat Tainted: G D W 5.10.218-cip49 #1 <4>[ 39.807047] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 39.814133] Call Trace: <4>[ 39.817153] dump_stack+0x77/0x9b <4>[ 39.821142] ___might_sleep.cold+0xa6/0xb6 <4>[ 39.825996] exit_signals+0x1c/0x300 <4>[ 39.830275] do_exit+0xc2/0xab0 <4>[ 39.834069] ? ksys_write+0x68/0xf0 <4>[ 39.838243] make_task_dead+0x2f/0x30 <4>[ 39.842627] rewind_stack_and_make_dead+0x17/0x20 <4>[ 39.848168] RIP: 0033:0x7f5985dd9240 <4>[ 39.852447] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89 <4>[ 39.873719] RSP: 002b:00007ffe37600db8 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 <4>[ 39.882464] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007f5985dd9240 <4>[ 39.890721] RDX: 000000000000000d RSI: 00007f5985cbd000 RDI: 0000000000000001 <4>[ 39.898981] RBP: 000000000000000d R08: 00000000ffffffff R09: 0000000000000000 <4>[ 39.907239] R10: 00007f5985cfa4d0 R11: 0000000000000202 R12: 00007f5985cbd000 <4>[ 39.915498] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 +0x3e/0x4d # [ 35.816422] ? no_context+0x24d/0x380 # [ 35.820797] # [ 35.823424] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel cros_ec_sysfs cros_usbpd_logger cros_ec_debugfs cros_ec_chardev cros_usbpd_charger cros_ec_lightbar cros_ec_sensorhub iTCO_wdt intel_pmc_bxt intel_pmc_core_pltdrv bluetooth intel_pmc_core uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 processor_thermal_device gsmi iwlmvm ecdh_generic x86_pkg_temp_thermal cros_ec_dev watchdog iwlwifi snd_soc_da7219 idma64 ecc videobuf2_common intel_soc_dts_iosf snd_soc_max98927 elan_i2c i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c int3403_thermal int340x_thermal_zone cros_usbpd_notify pinctrl_sunrisepoint int3400_thermal acpi_thermal_rel coreboot_table chromeos_pstore cros_kbd_led_backlight # [ 35.912031] ---[ end trace dd4facc418e792a0 ]--- # [ 35.917476] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 35.922142] Code: 89 ff e8 be a6 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 0<6>[ 40.035712] lkdtm: Performing direct entry EXEC_VMALLOC <6>[ 40.048032] lkdtm: attempting ok execution at ffffffff95f80b60 <6>[ 40.054852] lkdtm: attempting bad execution at ffffabbdc035b000 <2>[ 40.061791] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) f 1f 44 00 00 83 05 c0 06 eb 03 # [ 35.943414] RSP: 0018:ffff<1>[ 40.070466] BUG: unable to handle page fault for address: ffffabbdc035b000 <1>[ 40.084648] #PF: supervisor instruction fetch in kernel mode <1>[ 40.091259] #PF: error_code(0x0011) - permissions violation ab[ 40.097772] PGD 100000067 P4D 100000067 PUD 100242067 PMD 1008b1067 PTE 8000000107f6a063 <4>[ 40.113319] Oops: 0011 [#8] SMP PTI <4>[ 40.117503] CPU: 2 PID: 1715 Comm: cat Tainted: G D W 5.10.218-cip49 #1 <4>[ 40.126445] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 40.133546] RIP: 0010:0xffffabbdc035b000 80790 RBX: 0000000000000001 RCX: 0000000000000000 # [ 35.9577<4>[ 40.138216] Code: Unable to access opcode bytes at RIP 0xffffabbdc035afd6. <4>[ 40.152398] RSP: 0018:ffffabbdc253be38 EFLAGS: 00010246 <4>[ 40.158523] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 40.166775] RDX: 0000000000000000 RSI: ffff8935bad1bf50 RDI: ffff8935bad1bf50 <4>[ 40.175034] RBP: ffffabbdc035b000 R08: 0000000000000000 R09: 0000000000000000 <4>[ 40.183294] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d <4>[ 40.191574] R13: ffffabbdc253bf10 R14: ffffabbdc253bf10 R15: ffff893547f6a000 <4>[ 40.199833] FS: 00007f762c846740(0000) GS:ffff8935bad00000(0000) knlGS:0000000000000000 <4>[ 40.209161] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 40.215866] CR2: ffffabbdc035afd6 CR3: 0000000107ea8006 CR4: 00000000003706e0 <4>[ 40.224127] Call Trace: <4>[ 40.227147] ? __die_body.cold+0x1a/0x1f <4>[ 40.231817] ? no_context+0x177/0x380 <4>[ 40.236196] ? exc_page_fault+0xd7/0x170 <4>[ 40.240864] ? asm_exc_page_fault+0x1e/0x30 <4>[ 40.245825] ? execute_location+0x45/0x56 <4>[ 40.250590] ? lkdtm_EXEC_VMALLOC+0x20/0x30 <4>[ 40.255540] ? direct_entry.cold+0x2c/0x38 <4>[ 40.260402] ? full_proxy_write+0x53/0x80 <4>[ 40.265160] ? vfs_write+0xe7/0x3b0 <4>[ 40.269343] ? ksys_write+0x68/0xf0 <4>[ 40.273527] ? do_syscall_64+0x30/0x40 <4>[ 40.278000] ? entry_SYSCALL_64_after_hwframe+0x67/0xd1 95] RDX: 0000000000000000 RSI: ffff8935bad9bf50 RDI: ffffffff97e<4>[ 40.284117] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel cros_ec_sysfs cros_usbpd_logger cros_ec_debugfs cros_ec_chardev cros_usbpd_charger cros_ec_lightbar cros_ec_sensorhub iTCO_wdt intel_pmc_bxt intel_pmc_core_pltdrv bluetooth intel_pmc_core uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 processor_thermal_device gsmi iwlmvm ecdh_generic x86_pkg_temp_thermal cros_ec_dev watchdog iwlwifi snd_soc_da7219 idma64 ecc videobuf2_common intel_soc_dts_iosf snd_soc_max98927 elan_i2c i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c int3403_thermal int340x_thermal_zone cros_usbpd_notify pinctrl_sunrisepoint int3400_thermal acpi_thermal_rel coreboot_table chromeos_pstore cros_kbd_led_backlight <4>[ 40.372719] CR2: ffffabbdc035b000 <4>[ 40.376699] ---[ end trace dd4facc418e792a5 ]--- <4>[ 40.382144] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 40.386804] Code: 89 ff e8 be a6 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 c0 06 eb 03 <4>[ 40.408077] RSP: 0018:ffffabbdc14abe60 EFLAGS: 00010286 <4>[ 40.414200] RAX: ffffffff95f80790 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 40.422460] RDX: 0000000000000000 RSI: ffff8935bad9bf50 RDI: ffffffff97e406d0 <4>[ 40.430720] RBP: ffffffff98336fc8 R08: 0000000000000001 R09: 0000000000000001 <4>[ 40.438981] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 40.447232] R13: ffffabbdc14abf10 R14: ffffabbdc14abf10 R15: ffff893546d7d000 <4>[ 40.455491] FS: 00007f762c846740(0000) GS:ffff8935bad00000(0000) knlGS:0000000000000000 <4>[ 40.464820] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 40.471525] CR2: ffffabbdc035afd6 CR3: 0000000107ea8006 CR4: 00000000003706e0 406d0 # [ 35.966052] RBP: ffffffff98336fc8 R08: 0000000000000001 R09: 0000000000000001 # [ 35.974313] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 35.982575] R13: ffffabbdc14abf10 R14: ffffabbdc14abf10 R15: ffff893546d7d000 # [ 35.990834] FS: 00007fd1d98a0740(0000) GS:ffff8935bad80000(0000) knlGS:0000000000000000 # [ 36.000162] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 36.006868] CR2: ffffabbdc1b0c000 CR3: 0000000106e64002 CR4: 00000000003706e0 # STACK_GUARD_PAGE_TRAILING: saw 'call trace:': ok ok 13 selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh # selftests: lkdtm: UNSET_SMEP.sh # [ 36.113404] lkdtm: Performing direct entry UNSET_SMEP # [ 36.120567] lkdtm: trying to clear SMEP normally # [ 36.132225] ------------[ cut here ]------------ # [ 36.143889] pinned CR4 bits changed: 0x100000!? # [ 36.155478] WARNING: CPU: 1 PID: 1079 at arch/x86/kernel/cpu/common.c:396 native_wri<6>[ 40.569995] lkdtm: Performing direct entry EXEC_RODATA te_cr4+0x45/0x60 # [ 36.172168] Modules linked in: fuse ip_ta<6>[ 40.579094] lkdtm: attempting ok execution at ffffffff95f80b60 bles cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core indu<6>[ 40.592116] lkdtm: attempting bad execution at ffffffff97e40b60 strialio_triggered_buffer kfifo_buf industrialio btusb btrtl btb<2>[ 40.605234] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) <1>[ 40.620095] BUG: unable to handle page fault for address: ffffffff97e40b60 <1>[ 40.628066] #PF: supervisor instruction fetch in kernel mode <1>[ 40.634675] #PF: error_code(0x0011) - permissions violation <6>[ 40.641188] PGD 132029067 P4D 132029067 PUD 13202a063 PMD 80000001318000e1 cm btintel cros_ec_sysfs cros_usbpd_logger cros_ec_debugfs cros_<4>[ 40.649258] Oops: 0011 [#9] SMP PTI <4>[ 40.659654] CPU: 1 PID: 1752 Comm: cat Tainted: G D W 5.10.218-cip49 #1 <4>[ 40.668596] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 40.675685] RIP: 0010:lkdtm_rodata_do_nothing+0x0/0x10 ec_chardev cros_usbpd_charger cros_ec_lightbar cros_ec_sensorhub<4>[ 40.681713] Code: ff ff 1a 9d 65 96 ff ff ff ff fa 04 2d 98 ff ff ff ff 60 84 65 96 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>[ 40.709199] RSP: 0018:ffffabbdc25e3e48 EFLAGS: 00010246 <4>[ 40.715315] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 <4>[ 40.723575] RDX: 0000000000000000 RSI: ffff8935bac9bf50 RDI: ffff8935bac9bf50 <4>[ 40.731836] RBP: ffffffff97e40b60 R08: 0000000000000000 R09: 0000000000000000 <4>[ 40.740096] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c <4>[ 40.748357] R13: ffffabbdc25e3f10 R14: ffffabbdc25e3f10 R15: ffff8935467ca000 <4>[ 40.756628] FS: 00007f8bbb207740(0000) GS:ffff8935bac80000(0000) knlGS:0000000000000000 <4>[ 40.765958] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 40.772657] CR2: ffffffff97e40b60 CR3: 0000000102472006 CR4: 00000000003706e0 <4>[ 40.780918] Call Trace: <4>[ 40.783938] ? __die_body.cold+0x1a/0x1f iTCO_wdt intel_pmc_bxt intel_pmc_core_pltdrv bluetooth intel_pm<4>[ 40.788609] ? no_context+0x177/0x380 <4>[ 40.799201] ? exc_page_fault+0xd7/0x170 c_core uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l<4>[ 40.803869] ? asm_exc_page_fault+0x1e/0x30 2 [ 40.815045] ? execute_location+0x45/0x56 <4>[ 40.826025] ? direct_entry.cold+0x2c/0x38 <4>[ 40.830890] ? full_proxy_write+0x53/0x80 _thermal cros_ec_dev watchdog iwlwifi snd_soc_da7219 idma64 ecc <4>[ 40.835656] ? vfs_write+0xe7/0x3b0 <4>[ 40.846051] ? ksys_write+0x68/0xf0 <4>[ 40.850226] ? do_syscall_64+0x30/0x40 <4>[ 40.854700] ? entry_SYSCALL_64_after_hwframe+0x67/0xd1 videobuf2_common intel_soc_dts_iosf snd_soc_max98927 elan_i2c i2<4>[ 40.860828] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel cros_ec_sysfs cros_usbpd_logger cros_ec_debugfs cros_ec_chardev cros_usbpd_charger cros_ec_lightbar cros_ec_sensorhub iTCO_wdt intel_pmc_bxt intel_pmc_core_pltdrv bluetooth intel_pmc_core uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 processor_thermal_device gsmi iwlmvm ecdh_generic x86_pkg_temp_thermal cros_ec_dev watchdog iwlwifi snd_soc_da7219 idma64 ecc videobuf2_common intel_soc_dts_iosf snd_soc_max98927 elan_i2c i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c int3403_thermal int340x_thermal_zone cros_usbpd_notify pinctrl_sunrisepoint int3400_thermal acpi_thermal_rel coreboot_table chromeos_pstore cros_kbd_led_backlight <4>[ 40.949408] CR2: ffffffff97e40b60 <4>[ 40.953398] ---[ end trace dd4facc418e792a6 ]--- <4>[ 40.958843] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 40.963511] Code: 89 ff e8 be a6 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 c0 06 eb 03 <4>[ 40.984786] RSP: 0018:ffffabbdc14abe60 EFLAGS: 00010286 <4>[ 40.990903] RAX: ffffffff95f80790 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 40.999154] RDX: 0000000000000000 RSI: ffff8935bad9bf50 RDI: ffffffff97e406d0 <4>[ 41.007415] RBP: ffffffff98336fc8 R08: 0000000000000001 R09: 0000000000000001 <4>[ 41.015675] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 41.023934] R13: ffffabbdc14abf10 R14: ffffabbdc14abf10 R15: ffff893546d7d000 <4>[ 41.032196] FS: 00007f8bbb207740(0000) GS:ffff8935bac80000(0000) knlGS:0000000000000000 <4>[ 41.041524] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 41.048231] CR2: ffffffff97e40b60 CR3: 0000000102472006 CR4: 00000000003706e0 <3>[ 41.056491] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 41.066695] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1752, name: cat <4>[ 41.075443] INFO: lockdep is turned off. <4>[ 41.080108] irq event stamp: 0 <4>[ 41.083805] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 41.091096] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 41.100522] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 41.109949] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 41.117232] CPU: 1 PID: 1752 Comm: cat Tainted: G D W 5.10.218-cip49 #1 <4>[ 41.126173] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 41.133268] Call Trace: <4>[ 41.136286] dump_stack+0x77/0x9b c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c int<4>[ 41.140277] ___might_sleep.cold+0xa6/0xb6 <4>[ 41.151354] exit_signals+0x1c/0x300 <4>[ 41.155636] do_exit+0xc2/0xab0 <4>[ 41.159430] ? ksys_write+0x68/0xf0 <4>[ 41.163605] make_task_dead+0x2f/0x30 3403_thermal int340x_thermal_zone cros_usbpd_notify pinctrl_sunr<4>[ 41.168005] rewind_stack_and_make_dead+0x17/0x20 <4>[ 41.179759] RIP: 0033:0x7f8bbb302240 <4>[ 41.184039] 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>[ 41.205305] RSP: 002b:00007ffe0d0c9d68 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 <4>[ 41.214043] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f8bbb302240 <4>[ 41.222305] RDX: 000000000000000c RSI: 00007f8bbb1e6000 RDI: 0000000000000001 <4>[ 41.230576] RBP: 000000000000000c R08: 00000000ffffffff R09: 0000000000000000 <4>[ 41.238837] R10: 00007f8bbb2234d0 R11: 0000000000000202 R12: 00007f8bbb1e6000 <4>[ 41.247099] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 isepoint int3400_thermal acpi_thermal_rel coreboot_table chromeos_pstore cros_kbd_led_backlight # [ 36.260748] CPU: 1 PID: 1079 Comm: cat Tainted: G D W 5.10.218-cip49 #1 # [ 36.275902] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 36.283005] RIP: 0010:native_write_cr4+0x45/0x60 # [ 36.294661] Code: 39 c2 75 2d 48 85 f6 75 05 c3 cc cc cc cc 80 3d 27 63 46 03 00 75 f2 48 c7 c7 b0 d4 1c 98 c6 05 17 63 46 03 01 e8 a1 e2 14 01 <0f> 0b c3 cc cc cc cc 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09 # [ 36.322153] RSP: 0018:ffffabbdc1b6be48 EFLAGS: 00010286 # [ 36.334497] RAX: 0000000000000000 RBX: 00000000002706e0 RCX: 0000000000000000 # [ 36.348976] RDX: ffff8935bacac620 RSI: ffff8935bac9bf50 RDI: ffff8935bac9bf50 # [ 36.357241] RBP: ffffffff982d0185 R08: 0000000000000000 R09: 0000000000000000 # [ 36.371713] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b # [ 36.379978] R13: ffffabbdc1b6bf10 R14: ffffabbdc1b6bf10 R15: ffff893542aed000 # [ 36.394453] FS: 00007fed20e61740(0000) GS:ffff8935bac80000(0000) knlGS:0000000000000000 # [ 36.410006] CS: 0010 DS: 0000 ES: 00<6>[ 41.366465] lkdtm: Performing direct entry EXEC_USERSPACE 00 CR0: 0000000080050033 # [ 36.422928] CR2: 00007fed20e40000<6>[ 41.373605] lkdtm: attempting ok execution at ffffffff95f80b60 CR3: 0000000107c2e003 CR4: 00000000003706e0 # [ 36.437406] C<6>[ 41.386683] lkdtm: attempting bad execution at 00007fcb28412000 all Trace: # [ 36.446664] ? __warn+0x80/0x110 # [ 36.4567<2>[ 41.399827] unable to execute userspace code (SMEP?) (uid: 0) <1>[ 41.412701] BUG: unable to handle page fault for address: 00007fcb28412000 <1>[ 41.420669] #PF: supervisor instruction fetch in kernel mode <1>[ 41.427277] #PF: error_code(0x0011) - permissions violation <6>[ 41.433790] PGD 8000000106ff1067 P4D 8000000106ff1067 PUD 103799067 PMD 1037ae067 PTE 10c7d3067 <4>[ 41.443808] Oops: 0011 [#10] SMP PTI <4>[ 41.448087] CPU: 0 PID: 1789 Comm: cat Tainted: G D W 5.10.218-cip49 #1 <4>[ 41.457028] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 41.464125] RIP: 0010:0x7fcb28412000 <4>[ 41.468404] Code: Unable to access opcode bytes at RIP 0x7fcb28411fd6. <4>[ 41.475985] RSP: 0018:ffffabbdc267be50 EFLAGS: 00010246 <4>[ 41.482100] RAX: 0000000000000033 RBX: 0000000000000024 RCX: 0000000000000000 <4>[ 41.490361] RDX: 0000000000000000 RSI: ffff8935bac1bf50 RDI: ffff8935bac1bf50 <4>[ 41.498630] RBP: 00007fcb28412000 R08: 0000000000000000 R09: 0000000000000000 <4>[ 41.506890] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000f <4>[ 41.515149] R13: ffffabbdc267bf10 R14: ffffabbdc267bf10 R15: ffff8935451aa000 <4>[ 41.523411] FS: 00007fcb2822b740(0000) GS:ffff8935bac00000(0000) knlGS:0000000000000000 <4>[ 41.532729] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 41.539437] CR2: 00007fcb28412000 CR3: 0000000106fbc001 CR4: 00000000003706f0 <4>[ 41.547697] Call Trace: <4>[ 41.550718] ? __die_body.cold+0x1a/0x1f <4>[ 41.555385] ? no_context+0x177/0x380 <4>[ 41.559771] ? exc_page_fault+0x53/0x170 <4>[ 41.564436] ? asm_exc_page_fault+0x1e/0x30 <4>[ 41.569400] ? lkdtm_EXEC_USERSPACE.cold+0x66/0xae <4>[ 41.575044] ? direct_entry.cold+0x2c/0x38 <4>[ 41.579907] ? full_proxy_write+0x53/0x80 <4>[ 41.584678] ? vfs_write+0xe7/0x3b0 <4>[ 41.588859] ? ksys_write+0x68/0xf0 <4>[ 41.593042] ? do_syscall_64+0x30/0x40 <4>[ 41.597515] ? entry_SYSCALL_64_after_hwframe+0x67/0xd1 <4>[ 41.603641] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel cros_ec_sysfs cros_usbpd_logger cros_ec_debugfs cros_ec_chardev cros_usbpd_charger cros_ec_lightbar cros_ec_sensorhub iTCO_wdt intel_pmc_bxt intel_pmc_core_pltdrv bluetooth intel_pmc_core uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 processor_thermal_device gsmi iwlmvm ecdh_generic x86_pkg_temp_thermal cros_ec_dev watchdog iwlwifi snd_soc_da7219 idma64 ecc videobuf2_common intel_soc_dts_iosf snd_soc_max98927 elan_i2c i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c int3403_thermal int340x_thermal_zone cros_usbpd_notify pinctrl_sunrisepoint int3400_thermal acpi_thermal_rel coreboot_table chromeos_pstore cros_kbd_led_backlight <4>[ 41.686039] CR2: 00007fcb28412000 <4>[ 41.690027] ---[ end trace dd4facc418e792a7 ]--- <4>[ 41.695464] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 41.700123] Code: 89 ff e8 be a6 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 c0 06 eb 03 <4>[ 41.721388] RSP: 0018:ffffabbdc14abe60 EFLAGS: 00010286 <4>[ 41.727503] RAX: ffffffff95f80790 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 41.735764] RDX: 0000000000000000 RSI: ffff8935bad9bf50 RDI: ffffffff97e406d0 <4>[ 41.744024] RBP: ffffffff98336fc8 R08: 0000000000000001 R09: 0000000000000001 <4>[ 41.752283] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 41.760544] R13: ffffabbdc14abf10 R14: ffffabbdc14abf10 R15: ffff893546d7d000 <4>[ 41.768828] FS: 00007fcb2822b740(0000) GS:ffff8935bac00000(0000) knlGS:0000000000000000 <4>[ 41.778155] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 41.784862] CR2: 00007fcb28412000 CR3: 0000000106fbc001 CR4: 00000000003706f0 82] ? native_write_cr4+0x45/0x60 # [ 36.467759] ? report_bug+0x9e/0xc0 # [ 36.478140] ? handle_bug+0x41/0x90 # [ 36.488538] ? exc_invalid_op+0x14/0x70 # [ 36.499354] ? asm_exc_invalid_op+0x12/0x20 # [ 36.504323] ? native_write_cr4+0x45/0x60 # [ 36.515300] ? native_write_cr4+0x45/0x60 # [ 36.526280] lkdtm_UNSET_SMEP.cold+0x1d/0x103 # [ 36.537653] direct_entry.cold+0x2c/0x38 # [ 36.548543] full_proxy_write+0x53/0x80 # [ 36.559330] vfs_write+0xe7/0x3b0 # [ 36.569537] ksys_write+0x68/0xf0 # [ 36.579744] do_syscall_64+0x30/0x40 # [ 36.590242] entry_SYSCALL_64_after_hwframe+0x67/0xd1 # [ 36.602393] RIP: 0033:0x7fed20f5c240 # [ 36.612890] 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 # [ 36.640381] RSP: 002b:00007ffefd311ca8 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 # [ 36.655346] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007fed20f5c240 # [ 36.663623] RDX: 000000000000000b RSI: 00007fed20e40000 RDI: 0000000000000001 # [ 36.678095] RBP: 000000000000000b R08: 00000000ffffffff R09: 0000000000000000 # [ 36.692579] R10: 00007fed20e7d4d0 R11: 0000000000000202 R12: 00007fed20e40000 # [ 36.707054] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 # [ 36.715323] irq event stamp: 0 # [ 36.725227] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 36.732522] hardirqs last disabled at (0): [] copy_proces<6>[ 41.942990] lkdtm: Performing direct entry EXEC_NULL <6>[ 41.954526] lkdtm: attempting ok execution at ffffffff95f80b60 s+0x65c/0x20e0 # [ 36.748160] softirqs last enabled at (0): <6>[ 41.961347] lkdtm: attempting bad execution at 0000000000000000 <1>[ 41.974458] BUG: kernel NULL pointer dereference, address: 0000000000000000 [] copy_process+0x65c/0x20e0 # [ 36.757590]<1>[ 41.982550] #PF: supervisor instruction fetch in kernel mode <1>[ 41.995371] #PF: error_code(0x0010) - not-present page <6>[ 42.001398] PGD 0 P4D 0 <4>[ 42.004516] Oops: 0010 [#11] SMP PTI <4>[ 42.008789] CPU: 3 PID: 1826 Comm: cat Tainted: G D W 5.10.218-cip49 #1 <4>[ 42.017745] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 42.024842] RIP: 0010:0x0 <4>[ 42.028054] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6. <4>[ 42.036023] RSP: 0018:ffffabbdc2723e48 EFLAGS: 00010246 <4>[ 42.042149] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 <4>[ 42.050399] RDX: 0000000000000000 RSI: ffff8935bad9bf50 RDI: ffff8935bad9bf50 <4>[ 42.058658] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 <4>[ 42.066917] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a <4>[ 42.075179] R13: ffffabbdc2723f10 R14: ffffabbdc2723f10 R15: ffff893544420000 <4>[ 42.083431] FS: 00007f7b47b4e740(0000) GS:ffff8935bad80000(0000) knlGS:0000000000000000 <4>[ 42.092761] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 42.099457] CR2: ffffffffffffffd6 CR3: 00000001052c0002 CR4: 00000000003706e0 <4>[ 42.107716] Call Trace: <4>[ 42.110737] ? __die_body.cold+0x1a/0x1f <4>[ 42.115405] ? no_context+0x177/0x380 <4>[ 42.119785] ? exc_page_fault+0x53/0x170 <4>[ 42.124454] ? asm_exc_page_fault+0x1e/0x30 <4>[ 42.129417] execute_location+0x45/0x56 <4>[ 42.133989] direct_entry.cold+0x2c/0x38 <4>[ 42.138658] full_proxy_write+0x53/0x80 <4>[ 42.143231] vfs_write+0xe7/0x3b0 <4>[ 42.147220] ksys_write+0x68/0xf0 <4>[ 42.151209] do_syscall_64+0x30/0x40 <4>[ 42.155481] entry_SYSCALL_64_after_hwframe+0x67/0xd1 <4>[ 42.161411] RIP: 0033:0x7f7b47c49240 <4>[ 42.165691] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89 <4>[ 42.186955] RSP: 002b:00007ffd1ea610e8 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 <4>[ 42.195702] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f7b47c49240 <4>[ 42.203960] RDX: 000000000000000a RSI: 00007f7b47b2d000 RDI: 0000000000000001 <4>[ 42.212220] RBP: 000000000000000a R08: 00000000ffffffff R09: 0000000000000000 <4>[ 42.220479] R10: 00007f7b47b6a4d0 R11: 0000000000000202 R12: 00007f7b47b2d000 <4>[ 42.228739] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ <4>[ 42.237001] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel cros_ec_sysfs cros_usbpd_logger cros_ec_debugfs cros_ec_chardev cros_usbpd_charger cros_ec_lightbar cros_ec_sensorhub iTCO_wdt intel_pmc_bxt intel_pmc_core_pltdrv bluetooth intel_pmc_core uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 processor_thermal_device gsmi iwlmvm ecdh_generic x86_pkg_temp_thermal cros_ec_dev watchdog iwlwifi snd_soc_da7219 idma64 ecc videobuf2_common intel_soc_dts_iosf snd_soc_max98927 elan_i2c i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c int3403_thermal int340x_thermal_zone cros_usbpd_notify pinctrl_sunrisepoint int3400_thermal acpi_thermal_rel coreboot_table chromeos_pstore cros_kbd_led_backlight <4>[ 42.325607] CR2: 0000000000000000 <4>[ 42.329640] ---[ end trace dd4facc418e792a8 ]--- <4>[ 42.335078] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 42.339745] Code: 89 ff e8 be a6 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 c0 06 eb 03 <4>[ 42.361017] RSP: 0018:ffffabbdc14abe60 EFLAGS: 00010286 <4>[ 42.367140] RAX: ffffffff95f80790 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 42.375399] RDX: 0000000000000000 RSI: ffff8935bad9bf50 RDI: ffffffff97e406d0 <4>[ 42.383659] RBP: ffffffff98336fc8 R08: 0000000000000001 R09: 0000000000000001 <4>[ 42.391919] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 42.400179] R13: ffffabbdc14abf10 R14: ffffabbdc14abf10 R15: ffff893546d7d000 <4>[ 42.408439] FS: 00007f7b47b4e740(0000) GS:ffff8935bad80000(0000) knlGS:0000000000000000 <4>[ 42.417770] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 42.424476] CR2: ffffffffffffffd6 CR3: 00000001052c0002 CR4: 00000000003706e0 <3>[ 42.432737] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 42.442939] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1826, name: cat <4>[ 42.451676] INFO: lockdep is turned off. <4>[ 42.456343] irq event stamp: 0 <4>[ 42.460039] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 42.467330] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 42.476755] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 42.486180] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 42.493470] CPU: 3 PID: 1826 Comm: cat Tainted: G D W 5.10.218-cip49 #1 <4>[ 42.502401] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 42.509495] Call Trace: <4>[ 42.512515] dump_stack+0x77/0x9b <4>[ 42.516505] ___might_sleep.cold+0xa6/0xb6 <4>[ 42.521367] exit_signals+0x1c/0x300 <4>[ 42.525647] do_exit+0xc2/0xab0 <4>[ 42.529433] ? ksys_write+0x68/0xf0 <4>[ 42.533624] make_task_dead+0x2f/0x30 <4>[ 42.537992] rewind_stack_and_make_dead+0x17/0x20 <4>[ 42.543533] RIP: 0033:0x7f7b47c49240 <4>[ 42.547811] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89 <4>[ 42.569081] RSP: 002b:00007ffd1ea610e8 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 <4>[ 42.577828] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f7b47c49240 <4>[ 42.586079] RDX: 000000000000000a RSI: 00007f7b47b2d000 RDI: 0000000000000001 <4>[ 42.594339] RBP: 000000000000000a R08: 00000000ffffffff R09: 0000000000000000 <4>[ 42.602598] R10: 00007f7b47b6a4d0 R11: 0000000000000202 R12: 00007f7b47b2d000 <4>[ 42.610860] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 36.771091] ---[ end trace dd4facc418e792a1 ]--- # [ 36.776542] lkdtm: ok: SMEP did not get cleared # [ 36.788098] lkdtm: trying to clear SMEP with call gadget # [ 36.794326] 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 # [ 36.889766] lkdtm: Performing direct entry DOUBLE_FAULT # [ 36.899128] 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 # [ 36.983005] lkdtm: Performing direct entry CORRUPT_PAC # [ 36.991495] 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 # [ 37.094098] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE # [ 37.104068] 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: <6>[ 42.737415] lkdtm: Performing direct entry ACCESS_USERSPACE <6>[ 42.750012] lkdtm: attempting bad read at 00007f7e3b20a000 <1>[ 42.756465] BUG: unable to handle page fault for address: 00007f7e3b20a000 lkdtm: WRITE_AFTER_FREE.sh # Skipping WRITE_AFTER_FREE: Corrupt<1>[ 42.764446] #PF: supervisor read access in kernel mode <1>[ 42.776685] #PF: error_code(0x0001) - permissions violation s [ 42.783200] PGD 800000010654a067 P4D 800000010654a067 PUD 1033ff067 PMD 1067cb067 PTE 1084fe067 <4>[ 42.799431] Oops: 0001 [#12] SMP PTI <4>[ 42.803713] CPU: 2 PID: 1862 Comm: cat Tainted: G D W 5.10.218-cip49 #1 <4>[ 42.812654] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 42.819752] RIP: 0010:lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3 <4>[ 42.826265] Code: 00 00 00 75 64 48 83 c4 10 5d c3 cc cc cc cc 48 89 ee 48 c7 c7 18 12 2d 98 e8 c9 d6 fb ff 48 c7 c7 40 12 2d 98 b8 de c0 de c0 <48> 03 45 00 48 89 04 24 e8 b0 d6 fb ff 48 89 ee 48 c7 c7 68 12 2d <4>[ 42.847538] RSP: 0018:ffffabbdc27cbe48 EFLAGS: 00010246 <4>[ 42.853664] RAX: 00000000c0dec0de RBX: 0000000000000026 RCX: 0000000000000000 <4>[ 42.861923] RDX: 0000000000000000 RSI: ffff8935bad1bf50 RDI: ffffffff982d1240 <4>[ 42.870183] RBP: 00007f7e3b20a000 R08: 0000000000000000 R09: 0000000000000000 <4>[ 42.878443] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000011 <4>[ 42.886703] R13: ffffabbdc27cbf10 R14: ffffabbdc27cbf10 R15: ffff893545380000 <4>[ 42.894964] FS: 00007f7e3b023740(0000) GS:ffff8935bad00000(0000) knlGS:0000000000000000 <4>[ 42.904292] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 42.910998] CR2: 00007f7e3b20a000 CR3: 0000000106e9a001 CR4: 00000000003706e0 <4>[ 42.919257] Call Trace: <4>[ 42.922277] ? __die_body.cold+0x1a/0x1f <4>[ 42.926945] ? no_context+0x177/0x380 <4>[ 42.931314] ? exc_page_fault+0x53/0x170 <4>[ 42.935983] ? asm_exc_page_fault+0x1e/0x30 <4>[ 42.940934] ? lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3 <4>[ 42.946767] ? lkdtm_ACCESS_USERSPACE.cold+0x35/0xa3 <4>[ 42.952592] direct_entry.cold+0x2c/0x38 <4>[ 42.957254] full_proxy_write+0x53/0x80 <4>[ 42.961827] vfs_write+0xe7/0x3b0 <4>[ 42.965816] ksys_write+0x68/0xf0 <4>[ 42.969795] do_syscall_64+0x30/0x40 <4>[ 42.974074] entry_SYSCALL_64_after_hwframe+0x67/0xd1 <4>[ 42.980004] RIP: 0033:0x7f7e3b11e240 <4>[ 42.984282] 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>[ 43.005573] RSP: 002b:00007ffd46af6d68 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 <4>[ 43.014321] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007f7e3b11e240 <4>[ 43.022581] RDX: 0000000000000011 RSI: 00007f7e3b002000 RDI: 0000000000000001 <4>[ 43.030842] RBP: 0000000000000011 R08: 00000000ffffffff R09: 0000000000000000 <4>[ 43.039102] R10: 00007f7e3b03f4d0 R11: 0000000000000202 R12: 00007f7e3b002000 <4>[ 43.047361] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 # SKIP # selftests: lkdtm: READ_AFTER_FREE.sh # [ 37.251071<4>[ 43.055634] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel cros_ec_sysfs cros_usbpd_logger cros_ec_debugfs cros_ec_chardev cros_usbpd_charger cros_ec_lightbar cros_ec_sensorhub iTCO_wdt intel_pmc_bxt intel_pmc_core_pltdrv bluetooth intel_pmc_core uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 processor_thermal_device gsmi iwlmvm ecdh_generic x86_pkg_temp_thermal cros_ec_dev watchdog iwlwifi snd_soc_da7219 idma64 ecc videobuf2_common intel_soc_dts_iosf snd_soc_max98927 elan_i2c i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c int3403_thermal int340x_thermal_zone cros_usbpd_notify pinctrl_sunrisepoint int3400_thermal acpi_thermal_rel coreboot_table chromeos_pstore cros_kbd_led_backlight <4>[ 43.144245] CR2: 00007f7e3b20a000 <4>[ 43.148225] ---[ end trace dd4facc418e792a9 ]--- <4>[ 43.153670] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 43.158338] Code: 89 ff e8 be a6 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 c0 06 eb 03 <4>[ 43.179623] RSP: 0018:ffffabbdc14abe60 EFLAGS: 00010286 <4>[ 43.185748] RAX: ffffffff95f80790 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 43.194009] RDX: 0000000000000000 RSI: ffff8935bad9bf50 RDI: ffffffff97e406d0 <4>[ 43.202269] RBP: ffffffff98336fc8 R08: 0000000000000001 R09: 0000000000000001 <4>[ 43.210530] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 43.218788] R13: ffffabbdc14abf10 R14: ffffabbdc14abf10 R15: ffff893546d7d000 <4>[ 43.227048] FS: 00007f7e3b023740(0000) GS:ffff8935bad00000(0000) knlGS:0000000000000000 <4>[ 43.236375] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 43.243082] CR2: 00007f7e3b20a000 CR3: 0000000106e9a001 CR4: 00000000003706e0 ] lkdtm: Performing direct entry READ_AFTER_FREE # [ 37.261319] lkdtm: Value in memory before free: 12345678 # [ 37.273755] lkdtm: Attempting bad read from freed memory # [ 37.286186] 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 # [ 37.403781] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE # [ 37.416250] lkdtm: Value in memory before free: 12345678 # [ 37.428691] lkdtm: Attempting to read from freed memory # [ 37.441030] 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 # [ 37.528435] lkdtm: Performing direct entry SLAB_FREE_DOUBLE # [ 37.539837] lkdtm: Attempting double slab free ... # SLAB_FREE_DOUBLE: missing 'call trace:': [FAIL] not ok 23 selftests: lk<6>[ 43.362286] lkdtm: Performing direct entry ACCESS_NULL dtm: SLAB_FREE_DOUBLE.sh # exit=1 # selftests: lkdtm: SLAB_FREE<6>[ 43.369296] lkdtm: attempting bad read at 0000000000000000 _CROSS.sh # [ 37.625088] lkdtm: Performing direct entry SLAB_<1>[ 43.381954] BUG: kernel NULL pointer dereference, address: 0000000000000000 <1>[ 43.396211] #PF: supervisor read access in kernel mode FREE_CROSS # [ 37.632713] lkdtm: Attempting cross-cache slab <1>[ 43.402241] #PF: error_code(0x0000) - not-present page <6>[ 43.414483] PGD 0 P4D 0 free ... # SLAB_FREE_CROSS: missing 'call trace:': [FAIL] not <4>[ 43.417601] Oops: 0000 [#13] SMP PTI <4>[ 43.428094] CPU: 1 PID: 1899 Comm: cat Tainted: G D W 5.10.218-cip49 #1 ok 24 selftests: lkdtm: SLAB_FREE_CROSS.sh # exit=1 # selftests<4>[ 43.437036] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 43.450349] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53 : lkdtm: SLAB_FREE_PAGE.sh # [ 37.726523] lkdtm: Performing d<4>[ 43.455894] Code: 6d d6 fb ff be 00 10 00 00 48 89 ef e8 cb f4 0a ff e9 69 ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 18 12 2d 98 e8 47 d6 fb ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 40 12 2d 98 48 01 <4>[ 43.483381] RSP: 0018:ffffabbdc2863e58 EFLAGS: 00010246 <4>[ 43.489498] RAX: 000000000000002e RBX: 0000000000000027 RCX: 0000000000000000 <4>[ 43.497759] RDX: 0000000000000000 RSI: ffff8935bac9bf50 RDI: ffff8935bac9bf50 <4>[ 43.506011] RBP: ffffffff982d0309 R08: 0000000000000000 R09: 0000000000000000 <4>[ 43.514274] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c <4>[ 43.522534] R13: ffffabbdc2863f10 R14: ffffabbdc2863f10 R15: ffff893547f55000 <4>[ 43.530795] FS: 00007fbc0f524740(0000) GS:ffff8935bac80000(0000) knlGS:0000000000000000 <4>[ 43.540125] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 43.546831] CR2: 0000000000000000 CR3: 0000000102b62001 CR4: 00000000003706e0 <4>[ 43.555092] Call Trace: <4>[ 43.558112] ? __die_body.cold+0x1a/0x1f irect entry SLAB_FREE_PAGE # [ 37.738412] lkdtm: Attempting n<4>[ 43.562783] ? no_context+0x177/0x380 <4>[ 43.573374] ? exc_page_fault+0x53/0x170 on-Slab slab free ... # SLAB_FREE_PAGE: missing 'call trace:': <4>[ 43.578042] ? asm_exc_page_fault+0x1e/0x30 <4>[ 43.589215] ? lkdtm_ACCESS_NULL+0x14/0x53 [FAIL] not ok 25 selftests: lkdtm: SLAB_FREE_PAGE.sh # exit=1 <4>[ 43.594078] ? lkdtm_ACCESS_NULL+0x14/0x53 <4>[ 43.605154] direct_entry.cold+0x2c/0x38 <4>[ 43.609825] full_proxy_write+0x53/0x80 # selftests: lkdtm: SOFTLOCKUP.sh # Skipping SOFTLOCKUP: Hangs <4>[ 43.614398] vfs_write+0xe7/0x3b0 <4>[ 43.624599] ksys_write+0x68/0xf0 <4>[ 43.628590] do_syscall_64+0x30/0x40 the system ok 26 selftests: lkdtm: SOFTLOCKUP.sh # SKIP # self<4>[ 43.632871] entry_SYSCALL_64_after_hwframe+0x67/0xd1 <4>[ 43.645015] RIP: 0033:0x7fbc0f61f240 <4>[ 43.649296] 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>[ 43.670574] RSP: 002b:00007fff858ddd38 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 <4>[ 43.679321] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007fbc0f61f240 <4>[ 43.687583] RDX: 000000000000000c RSI: 00007fbc0f503000 RDI: 0000000000000001 <4>[ 43.695844] RBP: 000000000000000c R08: 00000000ffffffff R09: 0000000000000000 <4>[ 43.704106] R10: 00007fbc0f5404d0 R11: 0000000000000202 R12: 00007fbc0f503000 <4>[ 43.712366] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 tests: lkdtm: HARDLOCKUP.sh # Skipping HARDLOCKUP: Hangs the sy<4>[ 43.720630] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel cros_ec_sysfs cros_usbpd_logger cros_ec_debugfs cros_ec_chardev cros_usbpd_charger cros_ec_lightbar cros_ec_sensorhub iTCO_wdt intel_pmc_bxt intel_pmc_core_pltdrv bluetooth intel_pmc_core uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 processor_thermal_device gsmi iwlmvm ecdh_generic x86_pkg_temp_thermal cros_ec_dev watchdog iwlwifi snd_soc_da7219 idma64 ecc videobuf2_common intel_soc_dts_iosf snd_soc_max98927 elan_i2c i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c int3403_thermal int340x_thermal_zone cros_usbpd_notify pinctrl_sunrisepoint int3400_thermal acpi_thermal_rel coreboot_table chromeos_pstore cros_kbd_led_backlight <4>[ 43.809210] CR2: 0000000000000000 <4>[ 43.813189] ---[ end trace dd4facc418e792aa ]--- <4>[ 43.818637] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 43.823306] Code: 89 ff e8 be a6 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 c0 06 eb 03 <4>[ 43.844572] RSP: 0018:ffffabbdc14abe60 EFLAGS: 00010286 <4>[ 43.850698] RAX: ffffffff95f80790 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 43.858959] RDX: 0000000000000000 RSI: ffff8935bad9bf50 RDI: ffffffff97e406d0 <4>[ 43.867220] RBP: ffffffff98336fc8 R08: 0000000000000001 R09: 0000000000000001 <4>[ 43.875479] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 43.883739] R13: ffffabbdc14abf10 R14: ffffabbdc14abf10 R15: ffff893546d7d000 <4>[ 43.892001] FS: 00007fbc0f524740(0000) GS:ffff8935bac80000(0000) knlGS:0000000000000000 <4>[ 43.901322] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 43.908029] CR2: 0000000000000000 CR3: 0000000102b62001 CR4: 00000000003706e0 <3>[ 43.916291] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 43.926485] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1899, name: cat <4>[ 43.935231] INFO: lockdep is turned off. <4>[ 43.939899] irq event stamp: 0 <4>[ 43.943597] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 43.950887] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 43.960313] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 43.969738] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 43.977028] CPU: 1 PID: 1899 Comm: cat Tainted: G D W 5.10.218-cip49 #1 <4>[ 43.985969] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 43.993065] Call Trace: <4>[ 43.996084] dump_stack+0x77/0x9b stem ok 27 selftests: lkdtm: HARDLOCKUP.sh # SKIP # selftests:<4>[ 44.000075] ___might_sleep.cold+0xa6/0xb6 <4>[ 44.011150] exit_signals+0x1c/0x300 <4>[ 44.015431] do_exit+0xc2/0xab0 <4>[ 44.019225] ? ksys_write+0x68/0xf0 <4>[ 44.023400] make_task_dead+0x2f/0x30 <4>[ 44.027768] rewind_stack_and_make_dead+0x17/0x20 <4>[ 44.033309] RIP: 0033:0x7fbc0f61f240 <4>[ 44.037590] 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>[ 44.058866] RSP: 002b:00007fff858ddd38 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 <4>[ 44.067626] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007fbc0f61f240 <4>[ 44.075890] RDX: 000000000000000c RSI: 00007fbc0f503000 RDI: 0000000000000001 <4>[ 44.084151] RBP: 000000000000000c R08: 00000000ffffffff R09: 0000000000000000 <4>[ 44.092412] R10: 00007fbc0f5404d0 R11: 0000000000000202 R12: 00007fbc0f503000 <4>[ 44.100673] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 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 # [ 37.963209] lkdtm: Performing direct entry EXEC_DATA # [ 37.973930] lkdtm: attempting ok execution at ffffffff95f80b60 # [ 37.986973] lkdtm: attempting bad execution at ffffffff99e30ea0 # [ 38.000091] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 38.014916] BUG: unable to handle page fault for address: ffffffff99e30ea0 # [ 38.022884] #PF: supervisor instruction fetch in kernel mode # [ 38.029492] #PF: error_code(0x0011) - permissions violation # [ 38.036003] PGD 132029067 P4D 132029067 PUD 13202a063 PMD 80000001338000e3 # [ 38.044078] Oops: 0011 [#5] SMP PTI # [ 38.048260] CPU: 0 PID: 1603 Comm: cat Tainted: G D W 5.10.218-cip49 #1 # [ 38.057200] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 38.064297] RIP: 0010:data_area+0x0/0x40 # [ 38.068969] Code: ff ff 00 42 65 45 35 89 ff ff 00 41 65 45 35 89 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 c<6>[ 44.227597] lkdtm: Performing direct entry WRITE_RO <6>[ 44.238997] lkdtm: attempting bad rodata write at ffffffff97e40b50 <1>[ 44.246225] BUG: unable to handle page fault for address: ffffffff97e40b50 <1>[ 44.254205] #PF: supervisor write access in kernel mode c cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 # [ 38.090244] RS<1>[ 44.260331] #PF: error_code(0x0003) - permissions violation <6>[ 44.273056] PGD 132029067 P4D 132029067 PUD 13202a063 PMD 80000001318000e1 P: 0018:ffffabbdc238be48 EFLAGS: 00010246 # [ 38.096359] RAX:<4>[ 44.281130] Oops: 0003 [#14] SMP PTI <4>[ 44.291622] CPU: 2 PID: 1935 Comm: cat Tainted: G D W 5.10.218-cip49 #1 <4>[ 44.300564] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 44.307662] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a <4>[ 44.312913] Code: 00 48 c7 c7 f8 10 2d 98 48 c7 c6 50 0b e4 97 e8 f1 d8 fb ff 48 8b 05 a5 83 7e 01 ba 34 12 cd ab 48 c7 c7 28 11 2d 98 48 31 d0 <48> 89 05 8f 83 7e 01 e9 cf d8 fb ff 0f 1f 44 00 00 48 8b 05 7e 0b <4>[ 44.334179] RSP: 0018:ffffabbdc28abe60 EFLAGS: 00010202 <4>[ 44.340304] RAX: 000000000198b861 RBX: 0000000000000028 RCX: 0000000000000000 <4>[ 44.348572] RDX: 00000000abcd1234 RSI: ffff8935bad1bf50 RDI: ffffffff982d1128 <4>[ 44.356834] RBP: ffffffff982d0315 R08: 0000000000000000 R09: 0000000000000000 <4>[ 44.365094] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000009 <4>[ 44.373356] R13: ffffabbdc28abf10 R14: ffffabbdc28abf10 R15: ffff8935464c4000 <4>[ 44.381616] FS: 00007fa6e94b0740(0000) GS:ffff8935bad00000(0000) knlGS:0000000000000000 <4>[ 44.390946] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 44.397654] CR2: ffffffff97e40b50 CR3: 0000000104ce8004 CR4: 00000000003706e0 <4>[ 44.405907] Call Trace: <4>[ 44.408928] ? __die_body.cold+0x1a/0x1f <4>[ 44.413597] ? no_context+0x177/0x380 <4>[ 44.417978] ? exc_page_fault+0xd7/0x170 <4>[ 44.422646] ? asm_exc_page_fault+0x1e/0x30 <4>[ 44.427622] ? lkdtm_WRITE_RO+0x2e/0x3a <4>[ 44.432225] direct_entry.cold+0x2c/0x38 <4>[ 44.436895] full_proxy_write+0x53/0x80 <4>[ 44.441467] vfs_write+0xe7/0x3b0 <4>[ 44.445456] ksys_write+0x68/0xf0 <4>[ 44.449437] do_syscall_64+0x30/0x40 <4>[ 44.453718] entry_SYSCALL_64_after_hwframe+0x67/0xd1 <4>[ 44.459649] RIP: 0033:0x7fa6e95ab240 <4>[ 44.463929] 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>[ 44.485195] RSP: 002b:00007ffd97b8f048 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 <4>[ 44.493932] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007fa6e95ab240 <4>[ 44.502192] RDX: 0000000000000009 RSI: 00007fa6e948f000 RDI: 0000000000000001 <4>[ 44.510453] RBP: 0000000000000009 R08: 00000000ffffffff R09: 0000000000000000 <4>[ 44.518714] R10: 00007fa6e94cc4d0 R11: 0000000000000202 R12: 00007fa6e948f000 <4>[ 44.526974] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 #<4>[ 44.535238] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel cros_ec_sysfs cros_usbpd_logger cros_ec_debugfs cros_ec_chardev cros_usbpd_charger cros_ec_lightbar cros_ec_sensorhub iTCO_wdt intel_pmc_bxt intel_pmc_core_pltdrv bluetooth intel_pmc_core uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 processor_thermal_device gsmi iwlmvm ecdh_generic x86_pkg_temp_thermal cros_ec_dev watchdog iwlwifi snd_soc_da7219 idma64 ecc videobuf2_common intel_soc_dts_iosf snd_soc_max98927 elan_i2c i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c int3403_thermal int340x_thermal_zone cros_usbpd_notify pinctrl_sunrisepoint int3400_thermal acpi_thermal_rel coreboot_table chromeos_pstore cros_kbd_led_backlight <4>[ 44.623850] CR2: ffffffff97e40b50 <4>[ 44.627839] ---[ end trace dd4facc418e792ab ]--- <4>[ 44.633277] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 44.637944] Code: 89 ff e8 be a6 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 c0 06 eb 03 <4>[ 44.659219] RSP: 0018:ffffabbdc14abe60 EFLAGS: 00010286 <4>[ 44.665343] RAX: ffffffff95f80790 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 44.673604] RDX: 0000000000000000 RSI: ffff8935bad9bf50 RDI: ffffffff97e406d0 <4>[ 44.681864] RBP: ffffffff98336fc8 R08: 0000000000000001 R09: 0000000000000001 <4>[ 44.690124] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 44.698384] R13: ffffabbdc14abf10 R14: ffffabbdc14abf10 R15: ffff893546d7d000 <4>[ 44.706645] FS: 00007fa6e94b0740(0000) GS:ffff8935bad00000(0000) knlGS:0000000000000000 <4>[ 44.715973] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 44.722680] CR2: ffffffff97e40b50 CR3: 0000000104ce8004 CR4: 00000000003706e0 [ 38.104625] RDX: 0000000000000000 RSI: ffff8935bac1bf50 RDI: ffff8935bac1bf50 # [ 38.112886] RBP: ffffffff99e30ea0 R08: 0000000000000000 R09: 0000000000000000 # [ 38.121146] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 38.129407] R13: ffffabbdc238bf10 R14: ffffabbdc238bf10 R15: ffff893547c2e000 # [ 38.137659] FS: 00007fea9dae7740(0000) GS:ffff8935bac00000(0000) knlGS:0000000000000000 # [ 38.146989] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 38.153694] CR2: ffffffff99e30ea0 CR3: 0000000106e04002 CR4: 00000000003706f0 # [ 38.161955] Call Trace: # [ 38.164975] ? __die_body.cold+0x1a/0x1f # [ 38.169651] ? no_context+0x177/0x380 # [ 38.174035] ? exc_page_fault+0xd7/0x170 # [ 38.178709] ? asm_exc_page_fault+0x1e/0x30 # [ 38.183665] ? execute_location+0x45/0x56 # [ 38.188436] ? direct_entry.cold+0x2c/0x38 # [ 38.193301] ? full_proxy_write+0x53/0x80 # [ 38.198072] ? vfs_write+0xe7/0x3b0 # [ 38.202246] ? ksys_write+0x68/0xf0 # [ 38.206429] ? do_syscall_64+0x30/0x40 # [ 38.210903] ? entry_SYSCALL_64_after_hwframe+0x67/0xd1 # [ 38.217030] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sen<6>[ 44.848454] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT sors cros_ec_sensors_core industrialio_triggered_buffer kfifo_bu<6>[ 44.855889] lkdtm: attempting bad ro_after_init write at ffffffff98359350 f industrialio btusb btrtl btbcm btintel cros_ec_sysfs cros_usbp<1>[ 44.869997] BUG: unable to handle page fault for address: ffffffff98359350 <1>[ 44.884157] #PF: supervisor write access in kernel mode <1>[ 44.890285] #PF: error_code(0x0003) - permissions violation d_[ 44.896798] PGD 132029067 P4D 132029067 PUD 13202a063 PMD 8000000131c000e1 <4>[ 44.911087] Oops: 0003 [#15] SMP PTI <4>[ 44.915368] CPU: 1 PID: 1971 Comm: cat Tainted: G D W 5.10.218-cip49 #1 <4>[ 44.924310] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 44.931400] RIP: 0010:lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a _ec_lightbar cros_ec_sensorhub iTCO_wdt intel_pmc_bxt intel_pmc_<4>[ 44.937720] Code: 11 2d 98 e9 a3 d8 fb ff 48 c7 c7 80 11 2d 98 e8 97 d8 fb ff 48 8b 05 4b 0b d0 01 ba 34 12 cd ab 48 c7 c7 28 11 2d 98 48 31 d0 <48> 89 05 35 0b d0 01 e9 75 d8 fb ff 0f 1f 44 00 00 41 54 48 c7 c7 <4>[ 44.965206] RSP: 0018:ffffabbdc2973e60 EFLAGS: 00010202 <4>[ 44.971332] RAX: 00000000fe67479e RBX: 0000000000000029 RCX: 0000000000000000 <4>[ 44.979593] RDX: 00000000abcd1234 RSI: ffff8935bac9bf50 RDI: ffffffff982d1128 <4>[ 44.987853] RBP: ffffffff982d031e R08: 0000000000000000 R09: 0000000000000000 <4>[ 44.996113] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000014 <4>[ 45.004374] R13: ffffabbdc2973f10 R14: ffffabbdc2973f10 R15: ffff893544a83000 <4>[ 45.012634] FS: 00007ff1ec44e740(0000) GS:ffff8935bac80000(0000) knlGS:0000000000000000 <4>[ 45.021961] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 45.028668] CR2: ffffffff98359350 CR3: 0000000107fb4002 CR4: 00000000003706e0 <4>[ 45.036928] Call Trace: <4>[ 45.039948] ? __die_body.cold+0x1a/0x1f core_pltdrv bluetooth intel_pmc_core uvcvideo videobuf2_vmalloc <4>[ 45.044632] ? no_context+0x177/0x380 <4>[ 45.055225] ? exc_page_fault+0xd7/0x170 videobuf2_memops videobuf2_v4l2 processor_thermal_device gsmi iw<4>[ 45.059896] ? asm_exc_page_fault+0x1e/0x30 <4>[ 45.071070] ? lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a lmvm ecdh_generic x86_pkg_temp_thermal cros_ec_dev watchdog iwlw<4>[ 45.076712] direct_entry.cold+0x2c/0x38 <4>[ 45.087595] full_proxy_write+0x53/0x80 ifi snd_soc_da7219 idma64 ecc videobuf2_common intel_soc_dts_ios<4>[ 45.092169] vfs_write+0xe7/0x3b0 <4>[ 45.102370] ksys_write+0x68/0xf0 <4>[ 45.106350] do_syscall_64+0x30/0x40 <4>[ 45.110630] entry_SYSCALL_64_after_hwframe+0x67/0xd1 <4>[ 45.116575] RIP: 0033:0x7ff1ec549240 <4>[ 45.120855] 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>[ 45.142120] RSP: 002b:00007ffdd8e48fb8 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 <4>[ 45.150869] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007ff1ec549240 <4>[ 45.159129] RDX: 0000000000000014 RSI: 00007ff1ec42d000 RDI: 0000000000000001 <4>[ 45.167391] RBP: 0000000000000014 R08: 00000000ffffffff R09: 0000000000000000 <4>[ 45.175652] R10: 00007ff1ec46a4d0 R11: 0000000000000202 R12: 00007ff1ec42d000 <4>[ 45.183912] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 f snd_soc_max98927 elan_i2c i2c_hid snd_soc_core snd_compress sn<4>[ 45.192176] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel cros_ec_sysfs cros_usbpd_logger cros_ec_debugfs cros_ec_chardev cros_usbpd_charger cros_ec_lightbar cros_ec_sensorhub iTCO_wdt intel_pmc_bxt intel_pmc_core_pltdrv bluetooth intel_pmc_core uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 processor_thermal_device gsmi iwlmvm ecdh_generic x86_pkg_temp_thermal cros_ec_dev watchdog iwlwifi snd_soc_da7219 idma64 ecc videobuf2_common intel_soc_dts_iosf snd_soc_max98927 elan_i2c i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c int3403_thermal int340x_thermal_zone cros_usbpd_notify pinctrl_sunrisepoint int3400_thermal acpi_thermal_rel coreboot_table chromeos_pstore cros_kbd_led_backlight <4>[ 45.280758] CR2: ffffffff98359350 <4>[ 45.284748] ---[ end trace dd4facc418e792ac ]--- <4>[ 45.290185] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 45.294853] Code: 89 ff e8 be a6 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 c0 06 eb 03 <4>[ 45.316117] RSP: 0018:ffffabbdc14abe60 EFLAGS: 00010286 <4>[ 45.322243] RAX: ffffffff95f80790 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 45.330502] RDX: 0000000000000000 RSI: ffff8935bad9bf50 RDI: ffffffff97e406d0 <4>[ 45.338761] RBP: ffffffff98336fc8 R08: 0000000000000001 R09: 0000000000000001 <4>[ 45.347022] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 45.355282] R13: ffffabbdc14abf10 R14: ffffabbdc14abf10 R15: ffff893546d7d000 <4>[ 45.363544] FS: 00007ff1ec44e740(0000) GS:ffff8935bac80000(0000) knlGS:0000000000000000 <4>[ 45.372898] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 45.379604] CR2: ffffffff98359350 CR3: 0000000107fb4002 CR4: 00000000003706e0 <3>[ 45.387867] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 45.398069] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1971, name: cat <4>[ 45.406816] INFO: lockdep is turned off. <4>[ 45.411484] irq event stamp: 0 <4>[ 45.415180] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 45.422472] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 45.431889] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 45.441314] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 45.448619] CPU: 1 PID: 1971 Comm: cat Tainted: G D W 5.10.218-cip49 #1 d_pcm_dmaengine regmap_i2c int3403_thermal int340x_thermal_zone <4>[ 45.457573] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 45.470882] Call Trace: <4>[ 45.473900] dump_stack+0x77/0x9b cros_usbpd_notify pinctrl_sunrisepoint int3400_thermal acpi_ther<4>[ 45.477891] ___might_sleep.cold+0xa6/0xb6 <4>[ 45.488966] exit_signals+0x1c/0x300 <4>[ 45.493246] do_exit+0xc2/0xab0 <4>[ 45.497040] ? ksys_write+0x68/0xf0 <4>[ 45.501215] make_task_dead+0x2f/0x30 <4>[ 45.505594] rewind_stack_and_make_dead+0x17/0x20 <4>[ 45.511136] RIP: 0033:0x7ff1ec549240 <4>[ 45.515415] 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>[ 45.536689] RSP: 002b:00007ffdd8e48fb8 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 <4>[ 45.545438] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007ff1ec549240 <4>[ 45.553698] RDX: 0000000000000014 RSI: 00007ff1ec42d000 RDI: 0000000000000001 <4>[ 45.561958] RBP: 0000000000000014 R08: 00000000ffffffff R09: 0000000000000000 <4>[ 45.570219] R10: 00007ff1ec46a4d0 R11: 0000000000000202 R12: 00007ff1ec42d000 <4>[ 45.578480] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 mal_rel coreboot_table chromeos_pstore cros_kbd_led_backlight # [ 38.299431] CR2: ffffffff99e30ea0 # [ 38.303420] ---[ end trace dd4facc418e792a2 ]--- # [ 38.308856] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 38.313523] Code: 89 ff e8 be a6 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 c0 06 eb 03 # [ 38.334796] RSP: 0018:ffffabbdc14abe60 EFLAGS: 00010286 # [ 38.340912] RAX: ffffffff95f80790 RBX: 0000000000000001 RCX: 0000000000000000 # [ 38.349172] RDX: 0000000000000000 RSI: ffff8935bad9bf50 RDI: ffffffff97e406d0 # [ 38.357432] RBP: ffffffff98336fc8 R08: 0000000000000001 R09: 0000000000000001 # [ 38.365693] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 38.373952] R13: ffffabbdc14abf10 R14: ffffabbdc14abf10 R15: ffff893546d7d000 # [ 38.382213] FS: 00007fea9dae7740(0000) GS:ffff8935bac00000(0000) knlGS:0000000000000000 # [ 38.391543] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 38.398241] CR2: ffffffff99e30ea0 CR3: 0000000106e04002 CR4: 00000000003706f0 # [ 38.406502] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 38.416703] in_atom<6>[ 45.710660] lkdtm: Performing direct entry WRITE_KERN ic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1603, name: cat <6>[ 45.716987] lkdtm: attempting bad 7175109 byte write at ffffffff96658725 # [ 38.425449] INFO: lockdep is turned off. # [ 38.430115]<1>[ 45.730987] BUG: unable to handle page fault for address: ffffffff96658725 <1>[ 45.745167] #PF: supervisor write access in kernel mode <1>[ 45.751293] #PF: error_code(0x0003) - permissions violation i[ 45.757807] PGD 132029067 P4D 132029067 PUD 13202a063 PMD 1300000e1 <4>[ 45.771415] Oops: 0003 [#16] SMP PTI <4>[ 45.775696] CPU: 1 PID: 2007 Comm: cat Tainted: G D W 5.10.218-cip49 #1 <4>[ 45.784640] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 45.791730] RIP: 0010:lkdtm_WRITE_KERN+0x38/0x4e (0): [<0000000000000000>] 0x0 # [ 38.441103] hardirqs last di<4>[ 45.797176] Code: 53 48 c7 c3 25 87 65 96 49 89 dc 48 89 da 49 81 ec 60 0b f8 95 4c 89 e6 e8 4a d8 fb ff 48 89 df 4c 89 e1 48 c7 c6 60 0b f8 95 a4 48 c7 c7 28 11 2d 98 e8 2f d8 fb ff 5b 41 5c e9 b7 fe ff ff <4>[ 45.824664] RSP: 0018:ffffabbdc29f3e50 EFLAGS: 00010246 <4>[ 45.830790] RAX: 000000000000003c RBX: ffffffff96658725 RCX: 00000000006d7bc5 <4>[ 45.839051] RDX: 0000000000000000 RSI: ffffffff95f80b60 RDI: ffffffff96658725 <4>[ 45.847311] RBP: ffffffff982d0332 R08: 0000000000000000 R09: 0000000000000000 <4>[ 45.855575] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 00000000006d7bc5 <4>[ 45.863834] R13: ffffabbdc29f3f10 R14: ffffabbdc29f3f10 R15: ffff89354519e000 <4>[ 45.872096] FS: 00007f6c7b1e0740(0000) GS:ffff8935bac80000(0000) knlGS:0000000000000000 <4>[ 45.881426] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 45.888123] CR2: ffffffff96658725 CR3: 0000000102aec006 CR4: 00000000003706e0 <4>[ 45.896384] Call Trace: <4>[ 45.899403] ? __die_body.cold+0x1a/0x1f sabled at (0): [] copy_process+0x65c/0x20e0 #<4>[ 45.904073] ? no_context+0x177/0x380 <4>[ 45.914663] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 <4>[ 45.920402] ? exc_page_fault+0xd7/0x170 <4>[ 45.925069] ? asm_exc_page_fault+0x1e/0x30 <4>[ 45.930028] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 <4>[ 45.935766] ? lkdtm_SLAB_FREE_PAGE+0x40/0x40 [ 38.450529] softirqs last enabled at (0): [[ 45.940921] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 <4>[ 45.952871] ? lkdtm_WRITE_KERN+0x38/0x4e <4>[ 45.957637] direct_entry.cold+0x2c/0x38 <4>[ 45.962309] full_proxy_write+0x53/0x80 c>] copy_process+0x65c/0x20e0 # [ 38.459953] softirqs last di<4>[ 45.966882] vfs_write+0xe7/0x3b0 <4>[ 45.977083] ksys_write+0x68/0xf0 <4>[ 45.981072] do_syscall_64+0x30/0x40 <4>[ 45.985344] entry_SYSCALL_64_after_hwframe+0x67/0xd1 <4>[ 45.991275] RIP: 0033:0x7f6c7b2db240 <4>[ 45.995574] 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>[ 46.016850] RSP: 002b:00007fff723e5a08 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 <4>[ 46.025588] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f6c7b2db240 <4>[ 46.033848] RDX: 000000000000000b RSI: 00007f6c7b1bf000 RDI: 0000000000000001 <4>[ 46.042109] RBP: 000000000000000b R08: 00000000ffffffff R09: 0000000000000000 <4>[ 46.050370] R10: 00007f6c7b1fc4d0 R11: 0000000000000202 R12: 00007f6c7b1bf000 <4>[ 46.058630] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 sabled at (0): [<0000000000000000>] 0x0 # [ 38.467243] CPU: 0<4>[ 46.066893] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel cros_ec_sysfs cros_usbpd_logger cros_ec_debugfs cros_ec_chardev cros_usbpd_charger cros_ec_lightbar cros_ec_sensorhub iTCO_wdt intel_pmc_bxt intel_pmc_core_pltdrv bluetooth intel_pmc_core uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 processor_thermal_device gsmi iwlmvm ecdh_generic x86_pkg_temp_thermal cros_ec_dev watchdog iwlwifi snd_soc_da7219 idma64 ecc videobuf2_common intel_soc_dts_iosf snd_soc_max98927 elan_i2c i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c int3403_thermal int340x_thermal_zone cros_usbpd_notify pinctrl_sunrisepoint int3400_thermal acpi_thermal_rel coreboot_table chromeos_pstore cros_kbd_led_backlight <4>[ 46.155474] CR2: ffffffff96658725 <4>[ 46.159464] ---[ end trace dd4facc418e792ad ]--- <4>[ 46.164909] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 46.169580] Code: 89 ff e8 be a6 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 c0 06 eb 03 <4>[ 46.190855] RSP: 0018:ffffabbdc14abe60 EFLAGS: 00010286 <4>[ 46.196979] RAX: ffffffff95f80790 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 46.205237] RDX: 0000000000000000 RSI: ffff8935bad9bf50 RDI: ffffffff97e406d0 <4>[ 46.213497] RBP: ffffffff98336fc8 R08: 0000000000000001 R09: 0000000000000001 <4>[ 46.221757] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 46.230018] R13: ffffabbdc14abf10 R14: ffffabbdc14abf10 R15: ffff893546d7d000 <4>[ 46.238280] FS: 00007f6c7b1e0740(0000) GS:ffff8935bac80000(0000) knlGS:0000000000000000 <4>[ 46.247625] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 46.254331] CR2: ffffffff96658725 CR3: 0000000102aec006 CR4: 00000000003706e0 PID: 1603 Comm: cat Tainted: G D W 5.10.218-cip49 #1 # [ 38.476174] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 38.483269] Call Trace: # [ 38.486288] dump_stack+0x77/0x9b # [ 38.490284] ___might_sleep.cold+0xa6/0xb6 # [ 38.495152] exit_signals+0x1c/0x300 # [ 38.499433] do_exit+0xc2/0xab0 # [ 38.503228] ? ksys_write+0x68/0xf0 # [ 38.507410] make_task_dead+0x2f/0x30 # [ 38.511779] rewind_stack_and_make_dead+0x17/0x20 # [ 38.517322] RIP: 0033:0x7fea9dbe2240 # [ 38.521592] 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 # [ 38.542855] RSP: 002b:00007ffea0034628 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 # [ 38.551600] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fea9dbe2240 # [ 38.559881] RDX: 000000000000000a RSI: 00007fea9dac6000 RDI: 0000000000000001 # [ 38.568139] RBP: 000000000000000a R08: 00000000ffffffff R09: 0000000000000000 # [ 38.576398] R10: 00007fea9db034d0 R11: 0000000000000202 R12: 00007fea9dac6000 # [ 38.584658] 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 # [ 38.704693] lkdtm: Performing direct entry EXEC_STACK # [ 38.710760] lkdtm: attempting ok execution at ffffffff95f80b60 # [ 38.723782] lkdtm: attempting bad execution at ffffabbdc241be18 # [ 38.736899] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 38.751760] BUG: unable to handle page fault for address: ffffabb<6>[ 46.427260] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW dc241be18 # [ 38.759729] #PF: supervisor instruction fetch in<6>[ 46.437503] lkdtm: attempting good refcount_inc() without overflow kernel mode # [ 38.766331] #PF: error_code(0x0011) - permiss<6>[ 46.450913] lkdtm: attempting bad refcount_inc() overflow ions violation # [ 38.772845] PGD 100000067 P4D 100000067 PUD<4>[ 46.463448] ------------[ cut here ]------------ 100242067 PMD 1052e8067 PTE 80000001033d1063 # [ 38.782179] <4>[ 46.475112] refcount_t: saturated; leaking memory. Oops: 0011 [#6] SMP PTI # [ 38.792589] CPU: 1 PID: 1640 Comm:<4>[ 46.487003] WARNING: CPU: 1 PID: 2043 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 cat Tainted: G D W 5.10.218-cip49 #1 # [ 38.801<4>[ 46.502907] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel cros_ec_sysfs cros_usbpd_logger cros_ec_debugfs cros_ec_chardev cros_usbpd_charger cros_ec_lightbar cros_ec_sensorhub iTCO_wdt intel_pmc_bxt intel_pmc_core_pltdrv bluetooth intel_pmc_core uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 processor_thermal_device gsmi iwlmvm ecdh_generic x86_pkg_temp_thermal cros_ec_dev watchdog iwlwifi snd_soc_da7219 idma64 ecc videobuf2_common intel_soc_dts_iosf snd_soc_max98927 elan_i2c i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c int3403_thermal int340x_thermal_zone cros_usbpd_notify pinctrl_sunrisepoint int3400_thermal acpi_thermal_rel coreboot_table chromeos_pstore cros_kbd_led_backlight 537] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ <4>[ 46.591491] CPU: 1 PID: 2043 Comm: cat Tainted: G D W 5.10.218-cip49 #1 38.814849] RIP: 0010:0xffffabbdc241be18 # [ 38.819516] Code<4>[ 46.606649] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 : 00 00 18 be 41 c2 bd ab ff ff 7b 87 65 96 ff ff ff ff 20 00 00<4>[ 46.619965] RIP: 0010:refcount_warn_saturate+0x51/0x110 00 00 00 00 00 ae 02 2d 98 ff ff ff ff aa 88 65 96 ff ff ff ff <4>[ 46.632308] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 88 cf f6 02 00 75 ee 48 c7 c7 e0 a9 22 98 c6 05 78 cf f6 02 01 e8 15 4e c5 00 <0f> 0b c3 cc cc cc cc 80 3d 64 cf f6 02 00 75 cb 48 c7 c7 08 aa 22 <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00<4>[ 46.659803] RSP: 0018:ffffabbdc2a6be48 EFLAGS: 00010286 55 # [ 38.840790] RSP: 0018:ffffabbdc241bdf8 EFLAGS: 0001024<4>[ 46.672145] RAX: 0000000000000000 RBX: 000000000000002b RCX: 0000000000000000 6 # [ 38.846916] RAX: 0000000000000033 RBX: 0000000000000001 <4>[ 46.686628] RDX: ffff8935bacac620 RSI: ffff8935bac9bf50 RDI: ffff8935bac9bf50 RCX: 0000000000000000 # [ 38.855176] RDX: 0000000000000000 RS<4>[ 46.701109] RBP: ffffffff982d033d R08: 0000000000000000 R09: 0000000000000000 I: ffff8935bac9bf50 RDI: ffff8935bac9bf50 # [ 38.863435] RBP:<4>[ 46.715591] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 ffffabbdc241be18 R08: 0000000000000000 R09: 0000000000000000 #<4>[ 46.730074] R13: ffffabbdc2a6bf10 R14: ffffabbdc2a6bf10 R15: ffff893540e97000 [ 38.871696] R10: 00000000ffffe000 R11: 3fffffffffffffff R12:<4>[ 46.744552] FS: 00007f178d1b5740(0000) GS:ffff8935bac80000(0000) knlGS:0000000000000000 000000000000000b <4>[ 46.760099] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 46.768656] CR2: 00007f178d194000 CR3: 0000000102ba0005 CR4: 00000000003706e0 <4>[ 46.776923] Call Trace: # [ 38.879956] R13: ffffabbdc241bf10 R14: ffffabbdc241bf10 R15<4>[ 46.779950] ? __warn+0x80/0x110 : ffff893545380000 <4>[ 46.790058] ? refcount_warn_saturate+0x51/0x110 # [ 38.888218] FS: 00007f3503f5a740(0000) GS:ffff8935bac80000<4>[ 46.797450] ? report_bug+0x9e/0xc0 (0000) knlGS:0000000000000000 <4>[ 46.807854] ? handle_bug+0x41/0x90 # [ 38.897538] CS: 0010 DS: 0000 ES: 0000 CR0: 00000000800500<4>[ 46.815049] ? exc_invalid_op+0x14/0x70 33 # [ 38.904246] CR2: ffffabbdc241be18 CR3: 00000001024e4004<4>[ 46.825839] ? asm_exc_invalid_op+0x12/0x20 CR4: 00000000003706e0 # [ 38.912499] Call Trace: # [ 38.9<4>[ 46.837020] ? refcount_warn_saturate+0x51/0x110 15521] ? __die_body.cold+0x1a/0x1f # [ 38.926406] ? no_cont<4>[ 46.848680] ? refcount_warn_saturate+0x51/0x110 ext+0x177/0x380 # [ 38.930787] ? exc_page_fault+0xd7/0x170 <4>[ 46.860347] lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x98 # [ 38.941666] ? asm_exc_page_fault+0x1e/0x30 # [ 38.94663<4>[ 46.872207] direct_entry.cold+0x2c/0x38 1] ? execute_location+0x45/0x56 # [ 38.957631] ? lkdtm_EXEC<4>[ 46.883094] full_proxy_write+0x53/0x80 _STACK+0x26/0x44 # [ 38.962399] ? direct_entry.cold+0x2c/0x3<4>[ 46.893884] vfs_write+0xe7/0x3b0 8 # [ 38.967265] ? full_proxy_write+0x53/0x80 # [ 38.9782<4>[ 46.904099] ksys_write+0x68/0xf0 42] ? vfs_write+0xe7/0x3b0 # [ 38.982426] ? ksys_write+0x68<4>[ 46.914305] do_syscall_64+0x30/0x40 /0xf0 # [ 38.986627] ? do_syscall_64+0x30/0x40 # [ 38.991<4>[ 46.924799] entry_SYSCALL_64_after_hwframe+0x67/0xd1 101] ? entry_SYSCALL_64_after_hwframe+0x67/0xd1 # [ 38.99722<4>[ 46.936947] RIP: 0033:0x7f178d2b0240 9] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_s<4>[ 46.947446] 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>[ 46.974937] RSP: 002b:00007fff7e0849a8 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 buf industrialio btusb btrtl btbcm btintel cros_ec_sysfs cros_us<4>[ 46.989903] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f178d2b0240 bpd_logger cros_ec_debugfs cros_ec_chardev cros_usbpd_charger cr<4>[ 47.004383] RDX: 0000000000000016 RSI: 00007f178d194000 RDI: 0000000000000001 os_ec_lightbar cros_ec_sensorhub iTCO_wdt intel_pmc_bxt intel_pm<4>[ 47.018861] RBP: 0000000000000016 R08: 00000000ffffffff R09: 0000000000000000 c_core_pltdrv bluetooth intel_pmc_core uvcvideo videobuf2_vmallo<4>[ 47.033341] R10: 00007f178d1d14d0 R11: 0000000000000202 R12: 00007f178d194000 c videobuf2_memops videobuf2_v4l2 processor_thermal_device gsmi <4>[ 47.047821] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 iwlmvm ecdh_generic x86_pkg_temp_thermal cros_ec_dev watchdog iw<4>[ 47.062310] irq event stamp: 0 lwifi snd_soc_da7219 idma64 ecc videobuf2_common intel_soc_dts_i<4>[ 47.072219] hardirqs last enabled at (0): [<0000000000000000>] 0x0 osf snd_soc_max98927 elan_i2c i2c_hid snd_soc_core snd_compress <4>[ 47.085728] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 snd_pcm_dmaengine regmap_i2c int3403_thermal int340x_thermal_zon<4>[ 47.101373] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 47.117020] softirqs last disabled at (0): [<0000000000000000>] 0x0 e cros_usbpd_notify pinctrl_sunrisepoint int3400_thermal acpi_th<4>[ 47.124316] ---[ end trace dd4facc418e792ae ]--- <6>[ 47.135975] lkdtm: Overflow detected: saturated ermal_rel coreboot_table chromeos_pstore cros_kbd_led_backlight # [ 39.085809] CR2: ffffabbdc241be18 # [ 39.089799] ---[ end trace dd4facc418e792a3 ]--- # [ 39.095244] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 39.099912] Code: 89 ff e8 be a6 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 c0 06 eb 03 # [ 39.121186] RSP: 0018:ffffabbdc14abe60 EFLAGS: 00010286 # [ 39.127311] RAX: ffffffff95f80790 RBX: 0000000000000001 RCX: 0000000000000000 # [ 39.135581] RDX: 0000000000000000 RSI: ffff8935bad9bf50 RDI: ffffffff97e406d0 # [ 39.143832] RBP: ffffffff98336fc8 R08: 0000000000000001 R09: 0000000000000001 # [ 39.152092] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 39.160352] R13: ffffabbdc14abf10 R14: ffffabbdc14abf10 R15: ffff893546d7d000 # [ 39.168629] FS: 00007f3503f5a740(0000) GS:ffff8935bac80000(0000) knlGS:0000000000000000 # [ 39.177959] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 39.184666] CR2: ffffabbdc241be18 CR3: 00000001024e4004 CR4: 00000000003706e0<6>[ 47.250665] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW # EXEC_STACK: saw 'call trace:': ok ok 31 selftests: lkdtm: E<6>[ 47.260215] lkdtm: attempting good refcount_add() without overflow XEC_STACK.sh # selftests: lkdtm: EXEC_KMALLOC.sh # Killed # [<6>[ 47.273626] lkdtm: attempting bad refcount_add() overflow <4>[ 47.286165] ------------[ cut here ]------------ 39.295014] lkdtm: Performing direct entry EXEC_KMALLOC # [ <4>[ 47.291626] refcount_t: saturated; leaking memory. 39.304739] lkdtm: attempting ok execution at ffffffff95f80b60 <4>[ 47.303513] WARNING: CPU: 1 PID: 2076 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 39.311583] lkdtm: attempting bad execution at ffff8935460f<4>[ 47.319419] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel cros_ec_sysfs cros_usbpd_logger cros_ec_debugfs cros_ec_chardev cros_usbpd_charger cros_ec_lightbar cros_ec_sensorhub iTCO_wdt intel_pmc_bxt intel_pmc_core_pltdrv bluetooth intel_pmc_core uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 processor_thermal_device gsmi iwlmvm ecdh_generic x86_pkg_temp_thermal cros_ec_dev watchdog iwlwifi snd_soc_da7219 idma64 ecc videobuf2_common intel_soc_dts_iosf snd_soc_max98927 elan_i2c i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c int3403_thermal int340x_thermal_zone cros_usbpd_notify pinctrl_sunrisepoint int3400_thermal acpi_thermal_rel coreboot_table chromeos_pstore cros_kbd_led_backlight a800 # [ 39.318516] kernel tried to execute NX-protected page<4>[ 47.408003] CPU: 1 PID: 2076 Comm: cat Tainted: G D W 5.10.218-cip49 #1 - exploit attempt? (uid: 0) # [ 39.327174] BUG: unable to ha<4>[ 47.423162] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 ndle page fault for address: ffff8935460fa800 # [ 39.335144] <4>[ 47.436478] RIP: 0010:refcount_warn_saturate+0x51/0x110 #PF: supervisor instruction fetch in kernel mode # [ 39.34174<4>[ 47.448819] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 88 cf f6 02 00 75 ee 48 c7 c7 e0 a9 22 98 c6 05 78 cf f6 02 01 e8 15 4e c5 00 <0f> 0b c3 cc cc cc cc 80 3d 64 cf f6 02 00 75 cb 48 c7 c7 08 aa 22 6] #PF: error_code(0x0011) - permissions violation # [ 39.348<4>[ 47.476338] RSP: 0018:ffffabbdc2b0be48 EFLAGS: 00010286 250] PGD 133a01067 P4D 133a01067 PUD 100249063 PMD 10619a063 PTE<4>[ 47.488677] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000 80000001060fa063 # [ 39.363800] Oops: 0011 [#7] SMP PTI # [<4>[ 47.503134] RDX: ffff8935bacac620 RSI: ffff8935bac9bf50 RDI: ffff8935bac9bf50 39.367984] CPU: 3 PID: 1677 Comm: cat Tainted: G D W <4>[ 47.517635] RBP: ffffffff982d0353 R08: 0000000000000000 R09: 0000000000000000 5.10.218-cip49 #1 # [ 39.376922] Hardware name: Google R<4>[ 47.532115] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 ammus/Rammus, BIOS 09/04/2020 # [ 39.384017] RIP: 0010:0xfff<4>[ 47.546610] R13: ffffabbdc2b0bf10 R14: ffffabbdc2b0bf10 R15: ffff8935424ea000 f8935460fa800 # [ 39.388684] Code: ad de 00 f9 c9 47 35 89 ff<4>[ 47.561097] FS: 00007f3482385740(0000) GS:ffff8935bac80000(0000) knlGS:0000000000000000 ff 00 a5 0f 46 35 89 ff ff 00 00 00 00 00 00 00 00 00 00 00 00 <4>[ 47.576646] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 40 00 38 00 09 00 40 00 18 00 17 00 <0f> 1f 44 00 00 c3 cc cc cc<4>[ 47.589584] CR2: 00007f3482364000 CR3: 0000000107ecc003 CR4: 00000000003706e0 cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 # [ 39.409956] RSP: 0<4>[ 47.604063] Call Trace: 018:ffffabbdc24a3e38 EFLAGS: 00010246 # [ 39.416073] RAX: 000<4>[ 47.613304] ? __warn+0x80/0x110 0000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ <4>[ 47.623411] ? refcount_warn_saturate+0x51/0x110 39.424325] RDX: 0000000000000000 RSI: ffff8935bad9bf50 RDI: fff<4>[ 47.635078] ? report_bug+0x9e/0xc0 f8935bad9bf50 # [ 39.432584] RBP: ffff8935460fa800 R08: 00000<4>[ 47.645482] ? handle_bug+0x41/0x90 00000000000 R09: 0000000000000000 # [ 39.440844] R10: 0000000<4>[ 47.655882] ? exc_invalid_op+0x14/0x70 0ffffe000 R11: 3fffffffffffffff R12: 000000000000000d # [ 39.<4>[ 47.666674] ? asm_exc_invalid_op+0x12/0x20 449103] R13: ffffabbdc24a3f10 R14: ffffabbdc24a3f10 R15: ffff893<4>[ 47.677873] ? refcount_warn_saturate+0x51/0x110 547fb7000 # [ 39.457365] FS: 00007f5985cde740(0000) GS:ffff8<4>[ 47.689520] ? refcount_warn_saturate+0x51/0x110 935bad80000(0000) knlGS:0000000000000000 # [ 39.466693] CS: <4>[ 47.701181] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa7 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 39.473399] C<4>[ 47.713040] direct_entry.cold+0x2c/0x38 R2: ffff8935460fa800 CR3: 0000000104510001 CR4: 00000000003706e0<4>[ 47.723927] full_proxy_write+0x53/0x80 # [ 39.481657] Call Trace: # [ 39.484677] ? __die_body.c<4>[ 47.734718] vfs_write+0xe7/0x3b0 old+0x1a/0x1f # [ 39.489346] ? no_context+0x177/0x380 # [ <4>[ 47.744925] ksys_write+0x68/0xf0 39.493726] ? exc_page_fault+0xd7/0x170 # [ 39.498394] ? as<4>[ 47.755133] do_syscall_64+0x30/0x40 m_exc_page_fault+0x1e/0x30 # [ 39.503357] ? execute_location<4>[ 47.765634] entry_SYSCALL_64_after_hwframe+0x67/0xd1 +0x45/0x56 # [ 39.508123] ? lkdtm_EXEC_KMALLOC+0x2c/0x40 # <4>[ 47.777781] RIP: 0033:0x7f3482480240 [ 39.513083] ? direct_entry.cold+0x2c/0x38 # [ 39.517947] <4>[ 47.788278] 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 ? full_proxy_write+0x53/0x80 # [ 39.522712] ? vfs_write+0xe<4>[ 47.815770] RSP: 002b:00007fff4c399538 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 7/0x3b0 # [ 39.526895] ? ksys_write+0x68/0xf0 # [ 39.5310<4>[ 47.830737] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f3482480240 78] ? do_syscall_64+0x30/0x40 # [ 39.535576] ? entry_SYSCAL<4>[ 47.845220] RDX: 0000000000000016 RSI: 00007f3482364000 RDI: 0000000000000001 <4>[ 47.859696] RBP: 0000000000000016 R08: 00000000ffffffff R09: 0000000000000000 L_64_after_hwframe+0x67/0xd1 # [ 39.541703] Modules linked in<4>[ 47.867962] R10: 00007f34823a14d0 R11: 0000000000000202 R12: 00007f3482364000 : fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_senso<4>[ 47.882442] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 rs_core industrialio_triggered_buffer kfifo_buf industrialio btu<4>[ 47.896925] irq event stamp: 0 <4>[ 47.906841] hardirqs last enabled at (0): [<0000000000000000>] 0x0 sb btrtl btbcm btintel cros_ec_sysfs cros_usbpd_logger cros_ec_d<4>[ 47.914160] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 47.929798] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 ebugfs cros_ec_chardev cros_usbpd_charger cros_ec_lightbar cros_<4>[ 47.939228] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 47.952730] ---[ end trace dd4facc418e792af ]--- ec_sensorhub iTCO_wdt intel_pmc_bxt intel_pmc_core_pltdrv blueto<6>[ 47.958178] lkdtm: Overflow detected: saturated oth intel_pmc_core uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 processor_thermal_device gsmi iwlmvm ecdh_generic x86_pkg_temp_thermal cros_ec_dev watchdog iwlwifi snd_soc_da7219 idma64 ecc videobuf2_common intel_soc_dts_iosf snd_soc_max98927 elan_i2c i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c int3403_thermal int340x_thermal_zone cros_usbpd_notify pinctrl_sunrisepoint int3400_thermal acpi_thermal_rel coreboot_table chromeos_pstore cros_kbd_led_backlight # [ 39.630302] CR2: ffff8935460fa800 # [ 39.634289] ---[ end trace dd4facc418e792a4 ]--- # [ 39.639733] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 39.644402] Code: 89 ff e8 be a6 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 c0 06 eb 03 # [ 39.665664] RSP: 0018:ffffabbdc14abe60 EFLAGS: 00010286 # [ 39.671787] RAX: ffffffff95f80790 RBX: 0000000000000001 RCX: 0000000000000000 # [ 39.680046] RDX: 0000000000000000 RSI: ffff8935bad9bf50 RDI: ffffffff97e406d0 # [ 39.688305] RBP: ffffffff98336fc8 R08: 0000000000000001 R09: 0000000000000001 # [ 39.696574] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 39.704835] R13: ffffabbdc14abf10 R14: ffffabbdc14abf10 R15: ffff893546d7d000 # [ 39.<6>[ 48.095899] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW 713087] FS: 00007f5985cde740(0000) GS:ffff8935bad80000(0000) kn<6>[ 48.108148] lkdtm: attempting bad refcount_inc_not_zero() overflow lGS:0000000000000000 # [ 39.722413] CS: 0010 DS: 0000 ES: 00<4>[ 48.121593] ------------[ cut here ]------------ 00 CR0: 0000000080050033 # [ 39.729118] CR2: ffff8935460fa800<4>[ 48.133243] refcount_t: saturated; leaking memory. CR3: 0000000104510001 CR4: 00000000003706e0 # [ 39.737379] B<4>[ 48.145130] WARNING: CPU: 1 PID: 2109 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 UG: sleeping function called from invalid context at include/lin<4>[ 48.161039] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel cros_ec_sysfs cros_usbpd_logger cros_ec_debugfs cros_ec_chardev cros_usbpd_charger cros_ec_lightbar cros_ec_sensorhub iTCO_wdt intel_pmc_bxt intel_pmc_core_pltdrv bluetooth intel_pmc_core uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 processor_thermal_device gsmi iwlmvm ecdh_generic x86_pkg_temp_thermal cros_ec_dev watchdog iwlwifi snd_soc_da7219 idma64 ecc videobuf2_common intel_soc_dts_iosf snd_soc_max98927 elan_i2c i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c int3403_thermal int340x_thermal_zone cros_usbpd_notify pinctrl_sunrisepoint int3400_thermal acpi_thermal_rel coreboot_table chromeos_pstore cros_kbd_led_backlight ux/percpu-rwsem.h:49 # [ 39.747572] in_atomic(): 0, irqs_disa<4>[ 48.249636] CPU: 1 PID: 2109 Comm: cat Tainted: G D W 5.10.218-cip49 #1 bled(): 1, non_block: 0, pid: 1677, name: cat # [ 39.756318] <4>[ 48.264796] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 INFO: lockdep is turned off. # [ 39.760983] irq event stamp: <4>[ 48.278110] RIP: 0010:refcount_warn_saturate+0x97/0x110 0 # [ 39.764680] hardirqs last enabled at (0): [<00000000000<4>[ 48.290454] Code: 02 01 e8 f2 4d c5 00 0f 0b c3 cc cc cc cc 80 3d 43 cf f6 02 00 75 a8 48 c7 c7 e0 a9 22 98 c6 05 33 cf f6 02 01 e8 cf 4d c5 00 <0f> 0b c3 cc cc cc cc 80 3d 1d cf f6 02 00 75 85 48 c7 c7 38 aa 22 00000>] 0x0 # [ 39.771967] hardirqs last disabled at (0): [[ 48.317975] RSP: 0018:ffffabbdc2babe38 EFLAGS: 00010282 fffffff954fde5c>] copy_process+0x65c/0x20e0 # [ 39.781393] so<4>[ 48.330314] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 ftirqs last enabled at (0): [] copy_process+0<4>[ 48.344774] RDX: ffff8935bacac620 RSI: ffff8935bac9bf50 RDI: ffff8935bac9bf50 x65c/0x20e0 # [ 39.790818] softirqs last disabled at (0): [<0<4>[ 48.359253] RBP: ffffffff982cff90 R08: 0000000000000000 R09: 0000000000000000 000000000000000>] 0x0 # [ 39.798107] CPU: 3 PID: 1677 Comm: c<4>[ 48.373733] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f at Tainted: G D W 5.10.218-cip49 #1 # [ 39.80704<4>[ 48.388215] R13: ffffabbdc2babf10 R14: ffffabbdc2babf10 R15: ffff893546c75000 7] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ <4>[ 48.402698] FS: 00007fa4a36a2740(0000) GS:ffff8935bac80000(0000) knlGS:0000000000000000 39.814133] Call Trace: # [ 39.817153] dump_stack+0x77/0x9b <4>[ 48.418246] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 39.821142] ___might_sleep.cold+0xa6/0xb6 # [ 39.825996<4>[ 48.431175] CR2: 00007fa4a3681000 CR3: 00000001064f4004 CR4: 00000000003706e0 <4>[ 48.445655] Call Trace: ] exit_signals+0x1c/0x300 # [ 39.830275] do_exit+0xc2/0xab0<4>[ 48.448699] ? __warn+0x80/0x110 # [ 39.834069] ? ksys_write+0x68/0xf0 # [ 39.838243] ma<4>[ 48.458782] ? refcount_warn_saturate+0x97/0x110 ke_task_dead+0x2f/0x30 # [ 39.842627] rewind_stack_and_make_<4>[ 48.470448] ? report_bug+0x9e/0xc0 dead+0x17/0x20 # [ 39.848168] RIP: 0033:0x7f5985dd9240 # [ <4>[ 48.480851] ? handle_bug+0x41/0x90 39.852447] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c<4>[ 48.491252] ? exc_invalid_op+0x14/0x70 7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01<4>[ 48.502042] ? asm_exc_invalid_op+0x12/0x20 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 0<4>[ 48.513242] ? refcount_warn_saturate+0x97/0x110 0 48 83 ec 28 48 89 # [ 39.873719] RSP: 002b:00007ffe37600db8<4>[ 48.524887] ? refcount_warn_saturate+0x97/0x110 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 # [ 39.882464] R<4>[ 48.536554] __refcount_add_not_zero.constprop.0+0x2a/0x35 AX: ffffffffffffffda RBX: 000000000000000d RCX: 00007f5985dd9240<4>[ 48.549190] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x76 # [ 39.890721] RDX: 000000000000000d RSI: 00007f5985cbd000 R<4>[ 48.561920] direct_entry.cold+0x2c/0x38 DI: 0000000000000001 # [ 39.898981] RBP: 000000000000000d R08<4>[ 48.572809] full_proxy_write+0x53/0x80 : 00000000ffffffff R09: 0000000000000000 # [ 39.907239] R10: <4>[ 48.583611] vfs_write+0xe7/0x3b0 00007f5985cfa4d0 R11: 0000000000000202 R12: 00007f5985cbd000 # <4>[ 48.593825] ksys_write+0x68/0xf0 [ 39.915498] R13: 0000000000000001 R14: 0000000000020000 R15: <4>[ 48.604033] do_syscall_64+0x30/0x40 0000000000000000 # EXEC_KMALLOC: saw 'call trace:': ok ok 32 s<4>[ 48.614529] entry_SYSCALL_64_after_hwframe+0x67/0xd1 elftests: lkdtm: EXEC_KMALLOC.sh # selftests: lkdtm: EXEC_VMALL<4>[ 48.626679] RIP: 0033:0x7fa4a379d240 OC.sh # Killed # [ 40.035712] lkdtm: Performing direct entry<4>[ 48.637177] 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 EXEC_VMALLOC # [ 40.048032] lkdtm: attempting ok execution a<4>[ 48.664672] RSP: 002b:00007ffce2f1fc58 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 t ffffffff95f80b60 # [ 40.054852] lkdtm: attempting bad execu<4>[ 48.679640] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fa4a379d240 tion at ffffabbdc035b000 # [ 40.061791] kernel tried to execu<4>[ 48.694121] RDX: 000000000000001f RSI: 00007fa4a3681000 RDI: 0000000000000001 <4>[ 48.708615] RBP: 000000000000001f R08: 00000000ffffffff R09: 0000000000000000 te NX-protected page - exploit attempt? (uid: 0) # [ 40.07046<4>[ 48.716911] R10: 00007fa4a36be4d0 R11: 0000000000000202 R12: 00007fa4a3681000 6] BUG: unable to handle page fault for address: ffffabbdc035b00<4>[ 48.731389] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 0 # [ 40.084648] #PF: supervisor instruction fetch in kernel <4>[ 48.745888] irq event stamp: 0 mode # [ 40.091259] #PF: error_code(0x0011) - permissions vio<4>[ 48.755810] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 48.769319] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 lation # [ 40.097772] PGD 100000067 P4D 100000067 PUD 1002420<4>[ 48.778749] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 48.794390] softirqs last disabled at (0): [<0000000000000000>] 0x0 67 PMD 1008b1067 PTE 8000000107f6a063 # [ 40.113319] Oops: 00<4>[ 48.801708] ---[ end trace dd4facc418e792b0 ]--- <6>[ 48.813366] lkdtm: Overflow detected: saturated 11 [#8] SMP PTI # [ 40.117503] CPU: 2 PID: 1715 Comm: cat Tainted: G D W 5.10.218-cip49 #1 # [ 40.126445] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 40.133546] RIP: 0010:0xffffabbdc035b000 # [ 40.138216] Code: Unable to access opcode bytes at RIP 0xffffabbdc035afd6. # [ 40.152398] RSP: 0018:ffffabbdc253be38 EFLAGS: 00010246 # [ 40.158523] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 40.166775] RDX: 0000000000000000 RSI: ffff8935bad1bf50 RDI: ffff8935bad1bf50 # [ 40.175034] RBP: ffffabbdc035b000 R08: 0000000000000000 R09: 0000000000000000 # [ 40.183294] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d # [ 40.191574] R13: ffffabbdc253bf10 R14: ffffabbdc253bf10 R15: ffff893547f6a000 # [ 40.199833] FS: 00007f762c846740(0000) GS:ffff8935bad00000(0000) knlGS:0000000000000000 # [ 40.209161] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 40.215866] CR2: ffffabbdc035afd6 CR3: 0000000107ea8006 CR4: 00000000003706e0 # [ 40.224127] Call Trace: # [ 40.227147] ? __die_body.cold+0x1a/0x1f # [ 40.231817] ? no_context+0x177/0x380 # [ 40.236196] ? exc_page_fault+0xd7/0x170 # [ 40.240864] ? asm_exc_page_fault+0x1e/0x30 # [ 40.245825] ? execute_location+0x45/0x56 # [ 40.250590] ? lkdtm_EXEC_VMALLOC+0x20/0x30 # [ 40.255540] ? direct_entry.cold+0x2c/0x38 # [ 40.260402] ? ful<6>[ 48.956310] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW <6>[ 48.964987] lkdtm: attempting bad refcount_add_not_zero() overflow <4>[ 48.972192] ------------[ cut here ]------------ <4>[ 48.977671] refcount_t: saturated; leaking memory. <4>[ 48.983345] WARNING: CPU: 3 PID: 2142 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 l_proxy_write+0x53/0x80 # [ 40.265160] ? vfs_write+0xe7/0x3b<4>[ 48.993071] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel cros_ec_sysfs cros_usbpd_logger cros_ec_debugfs cros_ec_chardev cros_usbpd_charger cros_ec_lightbar cros_ec_sensorhub iTCO_wdt intel_pmc_bxt intel_pmc_core_pltdrv bluetooth intel_pmc_core uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 processor_thermal_device gsmi iwlmvm ecdh_generic x86_pkg_temp_thermal cros_ec_dev watchdog iwlwifi snd_soc_da7219 idma64 ecc videobuf2_common intel_soc_dts_iosf snd_soc_max98927 elan_i2c i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c int3403_thermal int340x_thermal_zone cros_usbpd_notify pinctrl_sunrisepoint int3400_thermal acpi_thermal_rel coreboot_table chromeos_pstore cros_kbd_led_backlight <4>[ 49.081646] CPU: 3 PID: 2142 Comm: cat Tainted: G D W 5.10.218-cip49 #1 <4>[ 49.090626] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 0 # [ 40.269343] ? ksys_write+0x68/0xf0 # [ 40.273527] ?<4>[ 49.097720] RIP: 0010:refcount_warn_saturate+0x97/0x110 <4>[ 49.110069] Code: 02 01 e8 f2 4d c5 00 0f 0b c3 cc cc cc cc 80 3d 43 cf f6 02 00 75 a8 48 c7 c7 e0 a9 22 98 c6 05 33 cf f6 02 01 e8 cf 4d c5 00 <0f> 0b c3 cc cc cc cc 80 3d 1d cf f6 02 00 75 85 48 c7 c7 38 aa 22 do_syscall_64+0x30/0x40 # [ 40.278000] ? entry_SYSCALL_64_a<4>[ 49.131372] RSP: 0018:ffffabbdc2c3be38 EFLAGS: 00010282 <4>[ 49.143712] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 <4>[ 49.151999] RDX: ffff8935badac620 RSI: ffff8935bad9bf50 RDI: ffff8935bad9bf50 fter_hwframe+0x67/0xd1 # [ 40.284117] Modules linked in: fuse<4>[ 49.160266] RBP: ffffffff982cffb0 R08: 0000000000000000 R09: 0000000000000000 <4>[ 49.174737] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f <4>[ 49.183000] R13: ffffabbdc2c3bf10 R14: ffffabbdc2c3bf10 R15: ffff893546dee000 <4>[ 49.191264] FS: 00007f503045b740(0000) GS:ffff8935bad80000(0000) knlGS:0000000000000000 <4>[ 49.200598] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 49.207309] CR2: 00007f503043a000 CR3: 0000000107fa2004 CR4: 00000000003706e0 ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_cor<4>[ 49.215578] Call Trace: <4>[ 49.224819] ? __warn+0x80/0x110 e industrialio_triggered_buffer kfifo_buf industrialio btusb btr<4>[ 49.228741] ? refcount_warn_saturate+0x97/0x110 <4>[ 49.240400] ? report_bug+0x9e/0xc0 <4>[ 49.244588] ? handle_bug+0x41/0x90 <4>[ 49.248780] ? exc_invalid_op+0x14/0x70 <4>[ 49.253354] ? asm_exc_invalid_op+0x12/0x20 <4>[ 49.258320] ? refcount_warn_saturate+0x97/0x110 <4>[ 49.263798] ? refcount_warn_saturate+0x97/0x110 <4>[ 49.269247] __refcount_add_not_zero.constprop.0+0x2a/0x35 <4>[ 49.275668] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x76 <4>[ 49.282184] direct_entry.cold+0x2c/0x38 <4>[ 49.286858] full_proxy_write+0x53/0x80 <4>[ 49.291459] vfs_write+0xe7/0x3b0 <4>[ 49.295476] ksys_write+0x68/0xf0 <4>[ 49.299469] do_syscall_64+0x30/0x40 <4>[ 49.303777] entry_SYSCALL_64_after_hwframe+0x67/0xd1 <4>[ 49.309711] RIP: 0033:0x7f5030556240 <4>[ 49.313993] 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>[ 49.335270] RSP: 002b:00007ffe5e3ef068 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 <4>[ 49.344021] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f5030556240 <4>[ 49.352284] RDX: 000000000000001f RSI: 00007f503043a000 RDI: 0000000000000001 <4>[ 49.360565] RBP: 000000000000001f R08: 00000000ffffffff R09: 0000000000000000 tl btbcm btintel cros_ec_sysfs cros_usbpd_logger cros_ec_debugfs<4>[ 49.368837] R10: 00007f50304774d0 R11: 0000000000000202 R12: 00007f503043a000 cros_ec_chardev cros_usbpd_charger cros_ec_lightbar cros_ec_sen<4>[ 49.383314] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 <4>[ 49.397798] irq event stamp: 0 <4>[ 49.401529] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 49.408823] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 49.418253] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 49.427682] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 49.434975] ---[ end trace dd4facc418e792b1 ]--- <6>[ 49.440422] lkdtm: Overflow detected: saturated sorhub iTCO_wdt intel_pmc_bxt intel_pmc_core_pltdrv bluetooth intel_pmc_core uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 processor_thermal_device gsmi iwlmvm ecdh_generic x86_pkg_temp_thermal cros_ec_dev watchdog iwlwifi snd_soc_da7219 idma64 ecc videobuf2_common intel_soc_dts_iosf snd_soc_max98927 elan_i2c i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c int3403_thermal int340x_thermal_zone cros_usbpd_notify pinctrl_sunrisepoint int3400_thermal acpi_thermal_rel coreboot_table chromeos_pstore cros_kbd_led_backlight # [ 40.372719] CR2: ffffabbdc035b000 # [ 40.376699] ---[ end trace dd4facc418e792a5 ]--- # [ 40.382144] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 40.386804] Code: 89 ff e8 be a6 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 c0 06 eb 03 # [ 40.408077] RSP: 0018:ffffabbdc14abe60 EFLAGS: 00010286 # [ 40.414200] RAX: ffffffff95f80790 RBX: 0000000000000001 RCX: 0000000000000000 # [ 40.422460] RDX: 0000000000000000 RSI: ffff8935bad9bf50 RDI: ffffffff97e406d0 # [ 40.430720] RBP: ffffffff98336fc8 R08: 0000000000000001 R09: 0000000000000001 # [ 40.438981] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 40.447232] R13: ffffabbdc14abf10 R14: ffffabbdc14abf10 R15: ffff893546d7d000 # [ 40.455491] FS: 00007f762c846740(0000) GS:ffff8935bad00000(0000) knlGS:00<6>[ 49.584149] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO 00000000000000 # [ 40.464820] CS: 0010 DS: 0000 ES: 0000 CR0<6>[ 49.595546] lkdtm: attempting good refcount_dec() : 0000000080050033 # [ 40.471525] CR2: ffffabbdc035afd6 CR3: <6>[ 49.607307] lkdtm: attempting bad refcount_dec() to zero <4>[ 49.619744] ------------[ cut here ]------------ 0000000107ea8006 CR4: 00000000003706e0 # EXEC_VMALLOC: saw 'cal<4>[ 49.625193] refcount_t: decrement hit 0; leaking memory. l trace:': ok ok 33 selftests: lkdtm: EXEC_VMALLOC.sh # selfte<4>[ 49.637659] WARNING: CPU: 1 PID: 2175 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 sts: lkdtm: EXEC_RODATA.sh # Killed # [ 40.569995] lkdtm: Pe<4>[ 49.653582] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel cros_ec_sysfs cros_usbpd_logger cros_ec_debugfs cros_ec_chardev cros_usbpd_charger cros_ec_lightbar cros_ec_sensorhub iTCO_wdt intel_pmc_bxt intel_pmc_core_pltdrv bluetooth intel_pmc_core uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 processor_thermal_device gsmi iwlmvm ecdh_generic x86_pkg_temp_thermal cros_ec_dev watchdog iwlwifi snd_soc_da7219 idma64 ecc videobuf2_common intel_soc_dts_iosf snd_soc_max98927 elan_i2c i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c int3403_thermal int340x_thermal_zone cros_usbpd_notify pinctrl_sunrisepoint int3400_thermal acpi_thermal_rel coreboot_table chromeos_pstore cros_kbd_led_backlight rforming direct entry EXEC_RODATA # [ 40.579094] lkdtm: attem<4>[ 49.742164] CPU: 1 PID: 2175 Comm: cat Tainted: G D W 5.10.218-cip49 #1 pting ok execution at ffffffff95f80b60 # [ 40.592116] lkdtm: <4>[ 49.757327] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 attempting bad execution at ffffffff97e40b60 # [ 40.605234] k<4>[ 49.770641] RIP: 0010:refcount_warn_saturate+0xfb/0x110 <4>[ 49.782984] Code: 90 aa 22 98 c6 05 e4 ce f6 02 01 e8 85 4d c5 00 0f 0b c3 cc cc cc cc 48 c7 c7 60 aa 22 98 c6 05 cb ce f6 02 01 e8 6b 4d c5 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b ernel tried to execute NX-protected page - exploit attempt? (uid<4>[ 49.804264] RSP: 0018:ffffabbdc2cbbe48 EFLAGS: 00010286 : 0) # [ 40.620095] BUG: unable to handle page fault for addr<4>[ 49.816651] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000 <4>[ 49.831128] RDX: ffff8935bacac620 RSI: ffff8935bac9bf50 RDI: ffff8935bac9bf50 ess: ffffffff97e40b60 # [ 40.628066] #PF: supervisor instruct<4>[ 49.839418] RBP: ffffffff982d0369 R08: 0000000000000000 R09: 0000000000000000 ion fetch in kernel mode <4>[ 49.853895] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 <4>[ 49.864684] R13: ffffabbdc2cbbf10 R14: ffffabbdc2cbbf10 R15: ffff893544cd2000 # [ 40.634675] #PF: error_code(0x0011) - permissions vio<4>[ 49.872977] FS: 00007f186e3c3740(0000) GS:ffff8935bac80000(0000) knlGS:0000000000000000 <4>[ 49.887937] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 49.894678] CR2: 00007f186e3a2000 CR3: 00000001075bc005 CR4: 00000000003706e0 lation # [ 40.641188] PGD 132029067 P4D 132029067 PUD 13202a0<4>[ 49.902948] Call Trace: 63 PMD 80000001318000e1 # [ 40.649258] Oops: 0011 [#9] SMP P<4>[ 49.912190] ? __warn+0x80/0x110 TI # [ 40.659654] CPU: 1 PID: 1752 Comm: cat Tainted: G <4>[ 49.922298] ? refcount_warn_saturate+0xfb/0x110 D W 5.10.218-cip49 #1 # [ 40.668596] Hardware name: G<4>[ 49.933962] ? report_bug+0x9e/0xc0 oogle Rammus/Rammus, BIOS 09/04/2020 # [ 40.675685] RIP: 001<4>[ 49.944365] ? handle_bug+0x41/0x90 0:lkdtm_rodata_do_nothing+0x0/0x10 # [ 40.681713] Code: ff ff<4>[ 49.954765] ? exc_invalid_op+0x14/0x70 1a 9d 65 96 ff ff ff ff fa 04 2d 98 ff ff ff ff 60 84 65 96 ff <4>[ 49.965553] ? asm_exc_invalid_op+0x12/0x20 ff ff ff 55 aa 55 aa 00 00 00 00 00 00 00 00 00 00 00 00 00<4>[ 49.976734] ? refcount_warn_saturate+0xfb/0x110 00 00 00 00 00 00 00 00 00 00 00 00 00 00 54 68 69 73 20 69 # <4>[ 49.988396] ? refcount_warn_saturate+0xfb/0x110 [ 40.709199] RSP: 0018:ffffabbdc25e3e48 EFLAGS: 00010246 # [ <4>[ 50.000062] lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xbd 40.715315] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 00<4>[ 50.011533] direct_entry.cold+0x2c/0x38 00000000000000 # [ 40.723575] RDX: 0000000000000000 RSI: ffff<4>[ 50.022422] full_proxy_write+0x53/0x80 8935bac9bf50 RDI: ffff8935bac9bf50 # [ 40.731836] RBP: ffffff<4>[ 50.033209] vfs_write+0xe7/0x3b0 ff97e40b60 R08: 0000000000000000 R09: 0000000000000000 # [ 40<4>[ 50.043415] ksys_write+0x68/0xf0 .740096] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000<4>[ 50.053624] do_syscall_64+0x30/0x40 000000000c # [ 40.748357] R13: ffffabbdc25e3f10 R14: ffffabbd<4>[ 50.064123] entry_SYSCALL_64_after_hwframe+0x67/0xd1 c25e3f10 R15: ffff8935467ca000 # [ 40.756628] FS: 00007f8bbb<4>[ 50.076273] RIP: 0033:0x7f186e4be240 207740(0000) GS:ffff8935bac80000(0000) knlGS:0000000000000000 #<4>[ 50.086774] 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 [ 40.765958] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003<4>[ 50.114266] RSP: 002b:00007ffe2d159ae8 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 3 # [ 40.772657] CR2: ffffffff97e40b60 CR3: 0000000102472006 <4>[ 50.129232] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f186e4be240 CR4: 00000000003706e0 # [ 40.780918] Call Trace: # [ 40.78<4>[ 50.143739] RDX: 0000000000000012 RSI: 00007f186e3a2000 RDI: 0000000000000001 3938] ? __die_body.cold+0x1a/0x1f # [ 40.788609] ? no_conte<4>[ 50.158216] RBP: 0000000000000012 R08: 00000000ffffffff R09: 0000000000000000 <4>[ 50.172672] R10: 00007f186e3df4d0 R11: 0000000000000202 R12: 00007f186e3a2000 xt+0x177/0x380 # [ 40.799201] ? exc_page_fault+0xd7/0x170 #<4>[ 50.180938] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 [ 40.803869] ? asm_exc_page_fault+0x1e/0x30 # [ 40.815045<4>[ 50.195415] irq event stamp: 0 <4>[ 50.205328] hardirqs last enabled at (0): [<0000000000000000>] 0x0 ] ? execute_location+0x45/0x56 # [ 40.826025] ? direct_entr<4>[ 50.212629] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 50.228267] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 y.cold+0x2c/0x38 # [ 40.830890] ? full_proxy_write+0x53/0x80<4>[ 50.237698] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 50.251199] ---[ end trace dd4facc418e792b2 ]--- # [ 40.835656] ? vfs_write+0xe7/0x3b0 # [ 40.846051] ? <6>[ 50.256650] lkdtm: Zero detected: saturated ksys_write+0x68/0xf0 # [ 40.850226] ? do_syscall_64+0x30/0x40 # [ 40.854700] ? entry_SYSCALL_64_after_hwframe+0x67/0xd1 # [ 40.860828] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel cros_ec_sysfs cros_usbpd_logger cros_ec_debugfs cros_ec_chardev cros_usbpd_charger cros_ec_lightbar cros_ec_sensorhub iTCO_wdt intel_pmc_bxt intel_pmc_core_pltdrv bluetooth intel_pmc_core uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 processor_thermal_device gsmi iwlmvm ecdh_generic x86_pkg_temp_thermal cros_ec_dev watchdog iwlwifi snd_soc_da7219 idma64 ecc videobuf2_common intel_soc_dts_iosf snd_soc_max98927 elan_i2c i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c int3403_thermal int340x_thermal_zone cros_usbpd_notify pinctrl_sunrisepoint int3400_thermal acpi_thermal_rel coreboot_table chromeos_pstore cros_kbd_led_backlight # [ 40.949408] CR2: ffffffff97e40b60 # [ 40.953398] ---[ end trace dd4facc418e792a6 ]--- # [ 40.958843] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 40.963511] Code: 89 ff e8 be a6 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 c0 06 eb 03 # [ 40.984786] RSP: 0018:ffffabbdc14abe60 EFLAGS: 00010286 # [ 40.990903] RAX: ffffffff95f80790 RBX: 0000000000000001 RCX: 0000000000000000 # [ 40.999154] RDX: 0000000000000000 RSI: ffff8935bad9bf50 RDI: ffffffff97e406d0 # [ 41.007415] RBP: ffffffff9833<6>[ 50.422871] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE <6>[ 50.430235] lkdtm: attempting bad refcount_dec() below zero <4>[ 50.436783] ------------[ cut here ]------------ <4>[ 50.442245] refcount_t: decrement hit 0; leaking memory. <4>[ 50.448523] WARNING: CPU: 2 PID: 2211 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 6fc8 R08: 0000000000000001 R09: 0000000000000001 # [ 41.01567<4>[ 50.458258] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel cros_ec_sysfs cros_usbpd_logger cros_ec_debugfs cros_ec_chardev cros_usbpd_charger cros_ec_lightbar cros_ec_sensorhub iTCO_wdt intel_pmc_bxt intel_pmc_core_pltdrv bluetooth intel_pmc_core uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 processor_thermal_device gsmi iwlmvm ecdh_generic x86_pkg_temp_thermal cros_ec_dev watchdog iwlwifi snd_soc_da7219 idma64 ecc videobuf2_common intel_soc_dts_iosf snd_soc_max98927 elan_i2c i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c int3403_thermal int340x_thermal_zone cros_usbpd_notify pinctrl_sunrisepoint int3400_thermal acpi_thermal_rel coreboot_table chromeos_pstore cros_kbd_led_backlight <4>[ 50.546882] CPU: 2 PID: 2211 Comm: cat Tainted: G D W 5.10.218-cip49 #1 <4>[ 50.555857] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 50.562982] RIP: 0010:refcount_warn_saturate+0xfb/0x110 <4>[ 50.569111] Code: 90 aa 22 98 c6 05 e4 ce f6 02 01 e8 85 4d c5 00 0f 0b c3 cc cc cc cc 48 c7 c7 60 aa 22 98 c6 05 cb ce f6 02 01 e8 6b 4d c5 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b <4>[ 50.590413] RSP: 0018:ffffabbdc2d23e48 EFLAGS: 00010286 <4>[ 50.596543] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000 <4>[ 50.604809] RDX: ffff8935bad2c620 RSI: ffff8935bad1bf50 RDI: ffff8935bad1bf50 <4>[ 50.613075] RBP: ffffffff982d037b R08: 0000000000000000 R09: 0000000000000000 <4>[ 50.621363] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 <4>[ 50.629631] R13: ffffabbdc2d23f10 R14: ffffabbdc2d23f10 R15: ffff8935460b1000 <4>[ 50.637896] FS: 00007f2b8efa0740(0000) GS:ffff8935bad00000(0000) knlGS:0000000000000000 <4>[ 50.647228] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 50.653941] CR2: 00007f2b8ef7f000 CR3: 00000001063be006 CR4: 00000000003706e0 <4>[ 50.662206] Call Trace: <4>[ 50.665229] ? __warn+0x80/0x110 5] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000<4>[ 50.669151] ? refcount_warn_saturate+0xfb/0x110 <4>[ 50.680809] ? report_bug+0x9e/0xc0 0004 # [ 41.023934] R13: ffffabbdc14abf10 R14: ffffabbdc14abf<4>[ 50.685024] ? handle_bug+0x41/0x90 <4>[ 50.695417] ? exc_invalid_op+0x14/0x70 10 R15: ffff893546d7d000 # [ 41.032196] FS: 00007f8bbb207740<4>[ 50.700019] ? asm_exc_invalid_op+0x12/0x20 (0000) GS:ffff8935bac80000(0000) knlGS:0000000000000000 # [ 4<4>[ 50.711199] ? refcount_warn_saturate+0xfb/0x110 <4>[ 50.722859] ? refcount_warn_saturate+0xfb/0x110 <4>[ 50.728313] lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x61 <4>[ 50.733957] direct_entry.cold+0x2c/0x38 <4>[ 50.738629] full_proxy_write+0x53/0x80 <4>[ 50.743226] vfs_write+0xe7/0x3b0 <4>[ 50.747242] ksys_write+0x68/0xf0 <4>[ 50.751264] do_syscall_64+0x30/0x40 <4>[ 50.755565] entry_SYSCALL_64_after_hwframe+0x67/0xd1 1.041524] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [<4>[ 50.761509] RIP: 0033:0x7f2b8f09b240 <4>[ 50.772024] 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 41.048231] CR2: ffffffff97e40b60 CR3: 0000000102472006 CR4: 0<4>[ 50.793315] RSP: 002b:00007ffe1015b848 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 <4>[ 50.808269] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f2b8f09b240 <4>[ 50.816533] RDX: 0000000000000016 RSI: 00007f2b8ef7f000 RDI: 0000000000000001 <4>[ 50.824796] RBP: 0000000000000016 R08: 00000000ffffffff R09: 0000000000000000 <4>[ 50.833059] R10: 00007f2b8efbc4d0 R11: 0000000000000202 R12: 00007f2b8ef7f000 <4>[ 50.841323] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 <4>[ 50.849593] irq event stamp: 0 <4>[ 50.853297] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 50.860591] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 50.870020] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 50.879448] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 50.886741] ---[ end trace dd4facc418e792b3 ]--- <6>[ 50.892189] lkdtm: Negative detected: saturated 0000000003706e0 # [ 41.056491] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 41.066695] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1752, name: cat # [ 41.075443] INFO: lockdep is turned off. # [ 41.080108] irq event stamp: 0 # [ 41.083805] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 41.091096] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 41.100522] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 41.109949] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 41.117232] CPU: 1 PID: 1752 Comm: cat Tainted: G D W 5.10.218-cip49 #1 # [ 41.126173] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 41.133268] Call Trace: # [ 41.136286] dump_stack+0x77/0x9b # [ 41.140277] ___might_sleep.cold+0xa6/0xb6 # [ 41.151354] exit_signals+0x1c/0x300 # [ 41.155636] do_exit+0xc2/0xab0 # [ 41.159430] ? ksys_write+0x68/0xf0 # [ 41.163605] make_task_dead+0x2f/0x30 # [ 41.168005] rewind_stack_and_make_dead+0x17/0x20 # [ 41.179759] RIP: 0033:0x7f8bbb302240 # [ 41.184039] 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 # [ 41.205305] RSP: 002b:00007ffe0d0c9d68 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 # [ 41.214043] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f8bbb302240 # [ 41.222305] RDX: 000000000000000c RSI: 00007f8bbb1e6000 RDI: 0000000000000001 # [ 41.230576] RBP: 000000000000000c R08: 00000000ffffffff R09: 0000000000000000 # [ 41.238837] R10: 00007f8bbb2234d0 R11: 0000000000000202 R12: 00007f8bbb1e6000 # [ 41.247099] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 # EXEC_RODATA: saw 'call trace:': ok ok 34 selftests: lkdtm: EXEC_RODATA.sh # selftests: lkdtm: EXEC_USERSPACE.sh # Killed # [ 41.366465] lkdtm: Performing direct entry EXEC_USERSPACE # [ 41.373605] lkdtm: attempting ok execution at ffffffff95f80b60 # [ 41.386683] lkdtm: attempting bad execution at 00007fcb28412000 # [ 41.399827] unable to execute userspace code (SMEP?) (uid: 0) # [ 41.412701] BUG: unable to handle page fault for address<6>[ 51.125653] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE : 00007fcb28412000 # [ 41.420669] #PF: supervisor instruction<6>[ 51.136650] lkdtm: attempting bad refcount_dec_and_test() below zero fetch in kernel mode # [ 41.427277] #PF: error_code(0x0011) <4>[ 51.150270] ------------[ cut here ]------------ - permissions violation # [ 41.433790] PGD 8000000106ff1067 P<4>[ 51.161921] refcount_t: underflow; use-after-free. 4D 8000000106ff1067 PUD 103799067 PMD 1037ae067 PTE 10c7d3067 #<4>[ 51.173789] WARNING: CPU: 1 PID: 2247 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 [ 41.443808] Oops: 0011 [#10] SMP PTI # [ 41.448087] CPU: <4>[ 51.189714] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel cros_ec_sysfs cros_usbpd_logger cros_ec_debugfs cros_ec_chardev cros_usbpd_charger cros_ec_lightbar cros_ec_sensorhub iTCO_wdt intel_pmc_bxt intel_pmc_core_pltdrv bluetooth intel_pmc_core uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 processor_thermal_device gsmi iwlmvm ecdh_generic x86_pkg_temp_thermal cros_ec_dev watchdog iwlwifi snd_soc_da7219 idma64 ecc videobuf2_common intel_soc_dts_iosf snd_soc_max98927 elan_i2c i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c int3403_thermal int340x_thermal_zone cros_usbpd_notify pinctrl_sunrisepoint int3400_thermal acpi_thermal_rel coreboot_table chromeos_pstore cros_kbd_led_backlight 0 PID: 1789 Comm: cat Tainted: G D W 5.10.218-cip49<4>[ 51.278315] CPU: 1 PID: 2247 Comm: cat Tainted: G D W 5.10.218-cip49 #1 #1 # [ 41.457028] Hardware name: Google Rammus/Rammus, BIOS <4>[ 51.293450] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 09/04/2020 # [ 41.464125] RIP: 0010:0x7fcb28412000 # [ 41<4>[ 51.306763] RIP: 0010:refcount_warn_saturate+0xba/0x110 .468404] Code: Unable to access opcode bytes at RIP 0x7fcb28411f<4>[ 51.319105] Code: 02 01 e8 cf 4d c5 00 0f 0b c3 cc cc cc cc 80 3d 1d cf f6 02 00 75 85 48 c7 c7 38 aa 22 98 c6 05 0d cf f6 02 01 e8 ac 4d c5 00 <0f> 0b c3 cc cc cc cc 80 3d f8 ce f6 02 00 0f 85 5e ff ff ff 48 c7 d6. # [ 41.475985] RSP: 0018:ffffabbdc267be50 EFLAGS: 0001024<4>[ 51.346598] RSP: 0018:ffffabbdc2d73e40 EFLAGS: 00010286 <4>[ 51.358986] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000 6 # [ 41.482100] RAX: 0000000000000033 RBX: 0000000000000024 <4>[ 51.367253] RDX: ffff8935bacac620 RSI: ffff8935bac9bf50 RDI: ffff8935bac9bf50 RCX: 0000000000000000 # [ 41.490361] RDX: 0000000000000000 RS<4>[ 51.381728] RBP: ffffffff982cffd0 R08: 0000000000000000 R09: 0000000000000000 I: ffff8935bac1bf50 RDI: ffff8935bac1bf50 # [ 41.498630] RBP:<4>[ 51.396207] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f 00007fcb28412000 R08: 0000000000000000 R09: 0000000000000000 #<4>[ 51.410687] R13: ffffabbdc2d73f10 R14: ffffabbdc2d73f10 R15: ffff893542bbf000 [ 41.506890] R10: 00000000ffffe000 R11: 3fffffffffffffff R12:<4>[ 51.425166] FS: 00007fe049803740(0000) GS:ffff8935bac80000(0000) knlGS:0000000000000000 000000000000000f # [ 41.515149] R13: ffffabbdc267bf10 R14: f<4>[ 51.440713] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 fffabbdc267bf10 R15: ffff8935451aa000 # [ 41.523411] FS: 000<4>[ 51.453641] CR2: 00007fe0497e2000 CR3: 0000000106caa001 CR4: 00000000003706e0 07fcb2822b740(0000) GS:ffff8935bac00000(0000) knlGS:000000000000<4>[ 51.468121] Call Trace: 0000 # [ 41.532729] CS: 0010 DS: 0000 ES: 0000 CR0: 00000000<4>[ 51.477362] ? __warn+0x80/0x110 80050033 # [ 41.539437] CR2: 00007fcb28412000 CR3: 0000000106<4>[ 51.487468] ? refcount_warn_saturate+0xba/0x110 fbc001 CR4: 00000000003706f0 # [ 41.547697] Call Trace: # [ <4>[ 51.499132] ? report_bug+0x9e/0xc0 41.550718] ? __die_body.cold+0x1a/0x1f # [ 41.555385] ? n<4>[ 51.509535] ? handle_bug+0x41/0x90 o_context+0x177/0x380 # [ 41.559771] ? exc_page_fault+0x53/0<4>[ 51.519934] ? exc_invalid_op+0x14/0x70 x170 # [ 41.564436] ? asm_exc_page_fault+0x1e/0x30 # [ 41<4>[ 51.530724] ? asm_exc_invalid_op+0x12/0x20 .569400] ? lkdtm_EXEC_USERSPACE.cold+0x66/0xae # [ 41.575044<4>[ 51.541906] ? refcount_warn_saturate+0xba/0x110 ] ? direct_entry.cold+0x2c/0x38 # [ 41.579907] ? full_proxy<4>[ 51.553583] __refcount_sub_and_test.constprop.0+0x3c/0x50 _write+0x53/0x80 # [ 41.584678] ? vfs_write+0xe7/0x3b0 # [ <4>[ 51.566218] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x78 41.588859] ? ksys_write+0x68/0xf0 # [ 41.593042] ? do_sys<4>[ 51.578951] direct_entry.cold+0x2c/0x38 call_64+0x30/0x40 # [ 41.597515] ? entry_SYSCALL_64_after_hw<4>[ 51.589838] full_proxy_write+0x53/0x80 frame+0x67/0xd1 # [ 41.603641] Modules linked in: fuse ip_tab<4>[ 51.600644] vfs_write+0xe7/0x3b0 les cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core indus<4>[ 51.610850] ksys_write+0x68/0xf0 trialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbc<4>[ 51.621057] do_syscall_64+0x30/0x40 <4>[ 51.631574] entry_SYSCALL_64_after_hwframe+0x67/0xd1 m btintel cros_ec_sysfs cros_usbpd_logger cros_ec_debugfs cros_e<4>[ 51.637509] RIP: 0033:0x7fe0498fe240 c_chardev cros_usbpd_charger cros_ec_lightbar cros_ec_sensorhub <4>[ 51.648009] 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 iTCO_wdt intel_pmc_bxt intel_pmc_core_pltdrv bluetooth intel_pmc<4>[ 51.675504] RSP: 002b:00007ffff1b02d08 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 _core uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2<4>[ 51.690470] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fe0498fe240 <4>[ 51.704948] RDX: 000000000000001f RSI: 00007fe0497e2000 RDI: 0000000000000001 processor_thermal_device gsmi iwlmvm ecdh_generic x86_pkg_temp_<4>[ 51.713215] RBP: 000000000000001f R08: 00000000ffffffff R09: 0000000000000000 thermal cros_ec_dev watchdog iwlwifi snd_soc_da7219 idma64 ecc v<4>[ 51.727689] R10: 00007fe04981f4d0 R11: 0000000000000202 R12: 00007fe0497e2000 ideobuf2_common intel_soc_dts_iosf snd_soc_max98927 elan_i2c i2c<4>[ 51.742170] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 _hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c int3<4>[ 51.756671] irq event stamp: 0 403_thermal int340x_thermal_zone cros_usbpd_notify pinctrl_sunri<4>[ 51.766567] hardirqs last enabled at (0): [<0000000000000000>] 0x0 sepoint int3400_thermal acpi_thermal_rel coreboot_table chromeos<4>[ 51.780081] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 _pstore cros_kbd_led_backlight # [ 41.686039] CR2: 00007fcb28<4>[ 51.795726] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 412000 # [ 41.690027] ---[ end trace dd4facc418e792a7 ]--- #<4>[ 51.811372] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 41.695464] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 41.700123] C<4>[ 51.824882] ---[ end trace dd4facc418e792b4 ]--- ode: 89 ff e8 be a6 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea<6>[ 51.836544] lkdtm: Negative detected: saturated 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 c0 06 eb 03 # [ 41.721388] RSP: 0018:ffffabbdc14abe60 EFLAGS: 00010286 # [ 41.727503] RAX: ffffffff95f80790 RBX: 0000000000000001 RCX: 0000000000000000 # [ 41.735764] RDX: 0000000000000000 RSI: ffff8935bad9bf50 RDI: ffffffff97e406d0 # [ 41.744024] RBP: ffffffff98336fc8 R08: 0000000000000001 R09: 0000000000000001 # [ 41.752283] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 41.760544] R13: ffffabbdc14abf10 R14: ffffabbdc14abf10 R15: ffff893546d7d000 # [ 41.768828] FS: 00007fcb2822b740(0000) GS:ffff8935bac00000(0000) knlGS:0000000000000000 # [ 41.778155] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 41.784862] CR2: 00007fcb28412000 CR3: 0000000106fbc001 CR4: 00000000003706f0 # EXEC_USERSPACE: saw 'call trace:': ok ok 35 selftests: lkdtm: EXEC_USERSPACE.sh # selftests: lkdtm: EXEC_NULL.sh # Killed # [ 41.942990] lkdtm: Performing direct entry EXEC_NULL # [ 41.954526] lkdtm: attempting ok execution at ffffffff95f80b60 # [ 41.961347] lkdtm: attempting bad execution at 0000000000000000 # [ 41.974458] BUG: kernel NULL pointer dereference, address: 0000000000000000 # [ 41.982550] #PF: supervisor instruction fetch in kernel mode # [ <6>[ 51.974195] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE 41.995371] #PF: error_code(0x0010) - not-present page # [ 4<6>[ 51.986592] lkdtm: attempting bad refcount_sub_and_test() below zero 2.001398] PGD 0 P4D 0 # [ 42.004516] Oops: 0010 [#11] SMP PT<4>[ 52.000192] ------------[ cut here ]------------ I # [ 42.008789] CPU: 3 PID: 1826 Comm: cat Tainted: G D<4>[ 52.011868] refcount_t: underflow; use-after-free. W 5.10.218-cip49 #1 # [ 42.017745] Hardware name: Go<4>[ 52.023744] WARNING: CPU: 0 PID: 2283 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 ogle Rammus/Rammus, BIOS 09/04/2020 # [ 42.024842] RIP: 0010<4>[ 52.039739] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel cros_ec_sysfs cros_usbpd_logger cros_ec_debugfs cros_ec_chardev cros_usbpd_charger cros_ec_lightbar cros_ec_sensorhub iTCO_wdt intel_pmc_bxt intel_pmc_core_pltdrv bluetooth intel_pmc_core uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 processor_thermal_device gsmi iwlmvm ecdh_generic x86_pkg_temp_thermal cros_ec_dev watchdog iwlwifi snd_soc_da7219 idma64 ecc videobuf2_common intel_soc_dts_iosf snd_soc_max98927 elan_i2c i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c int3403_thermal int340x_thermal_zone cros_usbpd_notify pinctrl_sunrisepoint int3400_thermal acpi_thermal_rel coreboot_table chromeos_pstore cros_kbd_led_backlight :0x0 # [ 42.028054] Code: Unable to access opcode bytes at RI<4>[ 52.128241] CPU: 0 PID: 2283 Comm: cat Tainted: G D W 5.10.218-cip49 #1 P 0xffffffffffffffd6. # [ 42.036023] RSP: 0018:ffffabbdc2723e<4>[ 52.143443] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 48 EFLAGS: 00010246 # [ 42.042149] RAX: 0000000000000033 RBX:<4>[ 52.156731] RIP: 0010:refcount_warn_saturate+0xba/0x110 0000000000000000 RCX: 0000000000000000 # [ 42.050399] RDX: 0<4>[ 52.169123] Code: 02 01 e8 cf 4d c5 00 0f 0b c3 cc cc cc cc 80 3d 1d cf f6 02 00 75 85 48 c7 c7 38 aa 22 98 c6 05 0d cf f6 02 01 e8 ac 4d c5 00 <0f> 0b c3 cc cc cc cc 80 3d f8 ce f6 02 00 0f 85 5e ff ff ff 48 c7 000000000000000 RSI: ffff8935bad9bf50 RDI: ffff8935bad9bf50 # [<4>[ 52.196595] RSP: 0018:ffffabbdc2e23e40 EFLAGS: 00010286 42.058658] RBP: 0000000000000000 R08: 0000000000000000 R09: 0<4>[ 52.208973] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000 000000000000000 # [ 42.066917] R10: 00000000ffffe000 R11: 3ff<4>[ 52.223464] RDX: ffff8935bac2c620 RSI: ffff8935bac1bf50 RDI: ffff8935bac1bf50 fffffffffffff R12: 000000000000000a # [ 42.075179] R13: ffffa<4>[ 52.237988] RBP: ffffffff982cfff0 R08: 0000000000000000 R09: 0000000000000000 bbdc2723f10 R14: ffffabbdc2723f10 R15: ffff893544420000 # [ 4<4>[ 52.252484] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f 2.083431] FS: 00007f7b47b4e740(0000) GS:ffff8935bad80000(0000) <4>[ 52.267026] R13: ffffabbdc2e23f10 R14: ffffabbdc2e23f10 R15: ffff89354621c000 knlGS:0000000000000000 # [ 42.092761] CS: 0010 DS: 0000 ES: <4>[ 52.281498] FS: 00007fb209c93740(0000) GS:ffff8935bac00000(0000) knlGS:0000000000000000 0000 CR0: 0000000080050033 # [ 42.099457] CR2: ffffffffffffff<4>[ 52.297103] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 d6 CR3: 00000001052c0002 CR4: 00000000003706e0 # [ 42.107716]<4>[ 52.310033] CR2: 00007fb209c72000 CR3: 0000000103798002 CR4: 00000000003706f0 Call Trace: # [ 42.110737] ? __die_body.cold+0x1a/0x1f # [<4>[ 52.324544] Call Trace: 42.115405] ? no_context+0x177/0x380 # [ 42.119785] ? exc<4>[ 52.333797] ? __warn+0x80/0x110 _page_fault+0x53/0x170 # [ 42.124454] ? asm_exc_page_fault+0<4>[ 52.343869] ? refcount_warn_saturate+0xba/0x110 x1e/0x30 # [ 42.129417] execute_location+0x45/0x56 # [ 42<4>[ 52.355525] ? report_bug+0x9e/0xc0 .133989] direct_entry.cold+0x2c/0x38 # [ 42.138658] full_pr<4>[ 52.365927] ? handle_bug+0x41/0x90 oxy_write+0x53/0x80 # [ 42.143231] vfs_write+0xe7/0x3b0 # [<4>[ 52.376325] ? exc_invalid_op+0x14/0x70 42.147220] ksys_write+0x68/0xf0 # [ 42.151209] do_syscal<4>[ 52.387147] ? asm_exc_invalid_op+0x12/0x20 l_64+0x30/0x40 # [ 42.155481] entry_SYSCALL_64_after_hwframe<4>[ 52.398308] ? refcount_warn_saturate+0xba/0x110 +0x67/0xd1 # [ 42.161411] RIP: 0033:0x7f7b47c49240 # [ 42.<4>[ 52.410070] __refcount_sub_and_test.constprop.0+0x3c/0x50 165691] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0<4>[ 52.422670] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x7b ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 <4>[ 52.435363] direct_entry.cold+0x2c/0x38 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48<4>[ 52.446277] full_proxy_write+0x53/0x80 83 ec 28 48 89 # [ 42.186955] RSP: 002b:00007ffd1ea610e8 EFL<4>[ 52.457027] vfs_write+0xe7/0x3b0 AGS: 00000202 ORIG_RAX: 0000000000000001 # [ 42.195702] RAX: <4>[ 52.467248] ksys_write+0x68/0xf0 ffffffffffffffda RBX: 000000000000000a RCX: 00007f7b47c49240 # <4>[ 52.477437] do_syscall_64+0x30/0x40 [ 42.203960] RDX: 000000000000000a RSI: 00007f7b47b2d000 RDI: <4>[ 52.487961] entry_SYSCALL_64_after_hwframe+0x67/0xd1 0000000000000001 # [ 42.212220] RBP: 000000000000000a R08: 00<4>[ 52.500138] RIP: 0033:0x7fb209d8e240 000000ffffffff R09: 0000000000000000 # [ 42.220479] R10: 0000<4>[ 52.510630] 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 7f7b47b6a4d0 R11: 0000000000000202 R12: 00007f7b47b2d000 # [ <4>[ 52.538120] RSP: 002b:00007ffe360f36f8 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 42.228739] R13: 0000000000000001 R14: 0000000000020000 R15: 0000<4>[ 52.553125] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fb209d8e240 000000000000 # [ 42.237001] Modules linked in: fuse ip_tables<4>[ 52.567597] RDX: 000000000000001f RSI: 00007fb209c72000 RDI: 0000000000000001 cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industri<4>[ 52.582058] RBP: 000000000000001f R08: 00000000ffffffff R09: 0000000000000000 alio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm b<4>[ 52.596525] R10: 00007fb209caf4d0 R11: 0000000000000202 R12: 00007fb209c72000 tintel cros_ec_sysfs cros_usbpd_logger cros_ec_debugfs cros_ec_c<4>[ 52.611029] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 hardev cros_usbpd_charger cros_ec_lightbar cros_ec_sensorhub iTC<4>[ 52.625488] irq event stamp: 0 O_wdt intel_pmc_bxt intel_pmc_core_pltdrv bluetooth intel_pmc_co<4>[ 52.635406] hardirqs last enabled at (0): [<0000000000000000>] 0x0 re uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 pr<4>[ 52.648909] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 ocessor_thermal_device gsmi iwlmvm ecdh_generic x86_pkg_temp_the<4>[ 52.664546] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 rmal cros_ec_dev watchdog iwlwifi snd_soc_da7219 idma64 ecc vide<4>[ 52.680192] softirqs last disabled at (0): [<0000000000000000>] 0x0 obuf2_common intel_soc_dts_iosf snd_soc_max98927 elan_i2c i2c_hi<4>[ 52.693686] ---[ end trace dd4facc418e792b5 ]--- d snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c int3403<6>[ 52.705351] lkdtm: Negative detected: saturated _thermal int340x_thermal_zone cros_usbpd_notify pinctrl_sunrisepoint int3400_thermal acpi_thermal_rel coreboot_table chromeos_pstore cros_kbd_led_backlight # [ 42.325607] CR2: 0000000000000000 # [ 42.329640] ---[ end trace dd4facc418e792a8 ]--- # [ 42.335078] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 42.339745] Code: 89 ff e8 be a6 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 c0 06 eb 03 # [ 42.361017] RSP: 0018:ffffabbdc14abe60 EFLAGS: 00010286 # [ 42.367140] RAX: ffffffff95f80790 RBX: 0000000000000001 RCX: 0000000000000000 # [ 42.375399] RDX: 0000000000000000 RSI: ffff8935bad9bf50 RDI: ffffffff97e406d0 # [ 42.383659] RBP: ffffffff98336fc8 R08: 0000000000000001 R09: 0000000000000001 # [ 42.391919] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 42.400179] R13: ffffabbdc14abf10 R14: ffffabbdc14abf10 R15: ffff893546d7d000 # [ 42.408439] FS: 00007f7b47b4e740(0000) GS:ffff8935bad80000(0000) knlGS:0000000000000000 # [ 42.417770] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 42.424476] CR2: ffffffffffffffd6 CR3: 00000001052c0002 CR4: 00000000003706e0 # [ 42.432737] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 42.442939] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1826, name: cat # [ 42.451676] INFO: lockdep is<6>[ 52.856191] lkdtm: Performing direct entry REFCOUNT_INC_ZERO turned off. # [ 42.456343] irq event stamp: 0 # [ 42.4600<6>[ 52.866492] lkdtm: attempting safe refcount_inc_not_zero() from zero 39] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [<6>[ 52.880120] lkdtm: Good: zero detected 42.467330] hardirqs last disabled at (0): [<6>[ 52.890818] lkdtm: Correctly stayed at zero ] copy_process+0x65c/0x20e0 # [ 42.476755] softirqs last ena<6>[ 52.901997] lkdtm: attempting bad refcount_inc() from zero bled at (0): [] copy_process+0x65c/0x20e0 # [<4>[ 52.914613] ------------[ cut here ]------------ 42.486180] softirqs last disabled at (0): [<0000000000000000><4>[ 52.926299] refcount_t: addition on 0; use-after-free. ] 0x0 # [ 42.493470] CPU: 3 PID: 1826 Comm: cat Tainted: G <4>[ 52.938581] WARNING: CPU: 0 PID: 2316 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 D W 5.10.218-cip49 #1 # [ 42.502401] Hardware name<4>[ 52.954506] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel cros_ec_sysfs cros_usbpd_logger cros_ec_debugfs cros_ec_chardev cros_usbpd_charger cros_ec_lightbar cros_ec_sensorhub iTCO_wdt intel_pmc_bxt intel_pmc_core_pltdrv bluetooth intel_pmc_core uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 processor_thermal_device gsmi iwlmvm ecdh_generic x86_pkg_temp_thermal cros_ec_dev watchdog iwlwifi snd_soc_da7219 idma64 ecc videobuf2_common intel_soc_dts_iosf snd_soc_max98927 elan_i2c i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c int3403_thermal int340x_thermal_zone cros_usbpd_notify pinctrl_sunrisepoint int3400_thermal acpi_thermal_rel coreboot_table chromeos_pstore cros_kbd_led_backlight : Google Rammus/Rammus, BIOS 09/04/2020 # [ 42.509495] Call <4>[ 53.043113] CPU: 0 PID: 2316 Comm: cat Tainted: G D W 5.10.218-cip49 #1 Trace: # [ 42.512515] dump_stack+0x77/0x9b # [ 42.516505]<4>[ 53.058259] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 ___might_sleep.cold+0xa6/0xb6 # [ 42.521367] exit_signals+<4>[ 53.071644] RIP: 0010:refcount_warn_saturate+0x74/0x110 0x1c/0x300 # [ 42.525647] do_exit+0xc2/0xab0 # [ 42.52943<4>[ 53.083916] Code: 02 01 e8 15 4e c5 00 0f 0b c3 cc cc cc cc 80 3d 64 cf f6 02 00 75 cb 48 c7 c7 08 aa 22 98 c6 05 54 cf f6 02 01 e8 f2 4d c5 00 <0f> 0b c3 cc cc cc cc 80 3d 43 cf f6 02 00 75 a8 48 c7 c7 e0 a9 22 3] ? ksys_write+0x68/0xf0 # [ 42.533624] make_task_dead+0x2<4>[ 53.111434] RSP: 0018:ffffabbdc2eb3e48 EFLAGS: 00010286 f/0x30 # [ 42.537992] rewind_stack_and_make_dead+0x17/0x20 <4>[ 53.123770] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000 # [ 42.543533] RIP: 0033:0x7f7b47c49240 # [ 42.547811] Code<4>[ 53.138238] RDX: ffff8935bac2c620 RSI: ffff8935bac1bf50 RDI: ffff8935bac1bf50 : 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff<4>[ 53.152726] RBP: ffffffff982d0391 R08: 0000000000000000 R09: 0000000000000000 eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <4>[ 53.167233] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48<4>[ 53.181710] R13: ffffabbdc2eb3f10 R14: ffffabbdc2eb3f10 R15: ffff893544803000 89 # [ 42.569081] RSP: 002b:00007ffd1ea610e8 EFLAGS: 0000020<4>[ 53.196220] FS: 00007fc89bf95740(0000) GS:ffff8935bac00000(0000) knlGS:0000000000000000 2 ORIG_RAX: 0000000000000001 # [ 42.577828] RAX: ffffffffffff<4>[ 53.211761] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 ffda RBX: 000000000000000a RCX: 00007f7b47c49240 # [ 42.58607<4>[ 53.224742] CR2: 00007fc89bf74000 CR3: 00000001072fc006 CR4: 00000000003706f0 9] RDX: 000000000000000a RSI: 00007f7b47b2d000 RDI: 000000000000<4>[ 53.239216] Call Trace: 0001 # [ 42.594339] RBP: 000000000000000a R08: 00000000ffffff<4>[ 53.248505] ? __warn+0x80/0x110 ff R09: 0000000000000000 # [ 42.602598] R10: 00007f7b47b6a4d0<4>[ 53.258593] ? refcount_warn_saturate+0x74/0x110 R11: 0000000000000202 R12: 00007f7b47b2d000 # [ 42.610860] R<4>[ 53.270274] ? report_bug+0x9e/0xc0 13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000<4>[ 53.280662] ? handle_bug+0x41/0x90 # EXEC_NULL: saw 'call trace:': ok ok 36 selftests: lkdtm: EX<4>[ 53.291089] ? exc_invalid_op+0x14/0x70 EC_NULL.sh # selftests: lkdtm: ACCESS_USERSPACE.sh # Killed #<4>[ 53.301855] ? asm_exc_invalid_op+0x12/0x20 [ 42.737415] lkdtm: Performing direct entry ACCESS_USERSPACE <4>[ 53.313070] ? refcount_warn_saturate+0x74/0x110 # [ 42.750012] lkdtm: attempting bad read at 00007f7e3b20a000<4>[ 53.324708] ? refcount_warn_saturate+0x74/0x110 # [ 42.756465] BUG: unable to handle page fault for address:<4>[ 53.336385] lkdtm_REFCOUNT_INC_ZERO+0x99/0xc1 00007f7e3b20a000 # [ 42.764446] #PF: supervisor read access <4>[ 53.347834] direct_entry.cold+0x2c/0x38 in kernel mode # [ 42.776685] #PF: error_code(0x0001) - permi<4>[ 53.358775] full_proxy_write+0x53/0x80 ssions violation # [ 42.783200] PGD 800000010654a067 P4D 8000<4>[ 53.369547] vfs_write+0xe7/0x3b0 00010654a067 PUD 1033ff067 PMD 1067cb067 PTE 1084fe067 # [ 42<4>[ 53.379737] ksys_write+0x68/0xf0 .799431] Oops: 0001 [#12] SMP PTI # [ 42.803713] CPU: 2 PID: <4>[ 53.389969] do_syscall_64+0x30/0x40 1862 Comm: cat Tainted: G D W 5.10.218-cip49 #1 # <4>[ 53.400450] entry_SYSCALL_64_after_hwframe+0x67/0xd1 [ 42.812654] Hardware name: Google Rammus/Rammus, BIOS 09/04/<4>[ 53.412621] RIP: 0033:0x7fc89c090240 2020 # [ 42.819752] RIP: 0010:lkdtm_ACCESS_USERSPACE.cold+0x4<4>[ 53.423111] 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 1/0xa3 # [ 42.826265] Code: 00 00 00 75 64 48 83 c4 10 5d c3 <4>[ 53.450626] RSP: 002b:00007fff38c86668 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 cc cc cc cc 48 89 ee 48 c7 c7 18 12 2d 98 e8 c9 d6 fb ff 48 c7 c<4>[ 53.465595] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fc89c090240 7 40 12 2d 98 b8 de c0 de c0 <48> 03 45 00 48 89 04 24 e8 b0 d6 <4>[ 53.480072] RDX: 0000000000000012 RSI: 00007fc89bf74000 RDI: 0000000000000001 fb ff 48 89 ee 48 c7 c7 68 12 2d # [ 42.847538] RSP: 0018:fff<4>[ 53.494545] RBP: 0000000000000012 R08: 00000000ffffffff R09: 0000000000000000 fabbdc27cbe48 EFLAGS: 00010246 # [ 42.853664] RAX: 00000000c0<4>[ 53.509033] R10: 00007fc89bfb14d0 R11: 0000000000000202 R12: 00007fc89bf74000 dec0de RBX: 0000000000000026 RCX: 0000000000000000 # [ 42.861<4>[ 53.523512] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 923] RDX: 0000000000000000 RSI: ffff8935bad1bf50 RDI: ffffffff98<4>[ 53.538013] irq event stamp: 0 2d1240 # [ 42.870183] RBP: 00007f7e3b20a000 R08: 000000000000<4>[ 53.547926] hardirqs last enabled at (0): [<0000000000000000>] 0x0 0000 R09: 0000000000000000 # [ 42.878443] R10: 00000000ffffe0<4>[ 53.561444] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 00 R11: 3fffffffffffffff R12: 0000000000000011 # [ 42.886703]<4>[ 53.577097] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 R13: ffffabbdc27cbf10 R14: ffffabbdc27cbf10 R15: ffff8935453800<4>[ 53.592743] softirqs last disabled at (0): [<0000000000000000>] 0x0 00 # [ 42.894964] FS: 00007f7e3b023740(0000) GS:ffff8935bad0<4>[ 53.606246] ---[ end trace dd4facc418e792b6 ]--- 0000(0000) knlGS:0000000000000000 # [ 42.904292] CS: 0010 DS<6>[ 53.617898] lkdtm: Zero detected: saturated : 0000 ES: 0000 CR0: 0000000080050033 # [ 42.910998] CR2: 00007f7e3b20a000 CR3: 0000000106e9a001 CR4: 00000000003706e0 # [ 42.919257] Call Trace: # [ 42.922277] ? __die_body.cold+0x1a/0x1f # [ 42.926945] ? no_context+0x177/0x380 # [ 42.931314] ? exc_page_fault+0x53/0x170 # [ 42.935983] ? asm_exc_page_fault+0x1e/0x30 # [ 42.940934] ? lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3 # [ 42.946767] ? lkdtm_ACCESS_USERSPACE.cold+0x35/0xa3 # [ 42.952592] direct_entry.cold+0x2c/0x38 # [ 42.957254] full_proxy_write+0x53/0x80 # [ 42.961827] vfs_write+0xe7/0x3b0 # [ 42.965816] ksys_write+0x68/0xf0 # [ 42.969795] do_syscall_64+0x30/0x40 # [ 42.974074] entry_SYSCALL_64_after_hwframe+0x67/0xd1 # [ 42.980004] RIP: 0033:0x7f7e3b11e240 # [ 42.984282] 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 # [ 43.005573] RSP: 002b:00007ffd46af6d68 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 # [ 43.014321] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007f7e3b11e240 # [ 43.022581] RDX: 0000000000000011 RSI: 00007f7e3b002000 RDI: 0000000000000001 # [ 43.030842] RBP: 0000000000000011 R08: 00000000ffffffff R09: 0000000000000000 # [ 43.039102] R10: 00007f7e3b03f4d0 R11: 0000000000000202 R12: 00007f7e3b002000 # [ 43.047361] R13: 0000000000000001 R14: 0000000<6>[ 53.769702] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO 000020000 R15: 0000000000000000 # [ 43.055634] Modules linked<6>[ 53.778652] lkdtm: attempting safe refcount_add_not_zero() from zero in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_se<6>[ 53.792254] lkdtm: Good: zero detected nsors_core industrialio_triggered_buffer kfifo_buf industrialio <6>[ 53.802968] lkdtm: Correctly stayed at zero btusb btrtl btbcm btintel cros_ec_sysfs cros_usbpd_logger cros_e<6>[ 53.814169] lkdtm: attempting bad refcount_add() from zero c_debugfs cros_ec_chardev cros_usbpd_charger cros_ec_lightbar cr<4>[ 53.826791] ------------[ cut here ]------------ os_ec_sensorhub iTCO_wdt intel_pmc_bxt intel_pmc_core_pltdrv blu<4>[ 53.838458] refcount_t: addition on 0; use-after-free. etooth intel_pmc_core uvcvideo videobuf2_vmalloc videobuf2_memop<4>[ 53.850707] WARNING: CPU: 0 PID: 2349 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 s videobuf2_v4l2 processor_thermal_device gsmi iwlmvm ecdh_gener<4>[ 53.866662] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel cros_ec_sysfs cros_usbpd_logger cros_ec_debugfs cros_ec_chardev cros_usbpd_charger cros_ec_lightbar cros_ec_sensorhub iTCO_wdt intel_pmc_bxt intel_pmc_core_pltdrv bluetooth intel_pmc_core uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 processor_thermal_device gsmi iwlmvm ecdh_generic x86_pkg_temp_thermal cros_ec_dev watchdog iwlwifi snd_soc_da7219 idma64 ecc videobuf2_common intel_soc_dts_iosf snd_soc_max98927 elan_i2c i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c int3403_thermal int340x_thermal_zone cros_usbpd_notify pinctrl_sunrisepoint int3400_thermal acpi_thermal_rel coreboot_table chromeos_pstore cros_kbd_led_backlight ic x86_pkg_temp_thermal cros_ec_dev watchdog iwlwifi snd_soc_da7<4>[ 53.955210] CPU: 0 PID: 2349 Comm: cat Tainted: G D W 5.10.218-cip49 #1 219 idma64 ecc videobuf2_common intel_soc_dts_iosf snd_soc_max98<4>[ 53.970429] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 927 elan_i2c i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine<4>[ 53.983681] RIP: 0010:refcount_warn_saturate+0x74/0x110 regmap_i2c int3403_thermal int340x_thermal_zone cros_usbpd_noti<4>[ 53.996083] Code: 02 01 e8 15 4e c5 00 0f 0b c3 cc cc cc cc 80 3d 64 cf f6 02 00 75 cb 48 c7 c7 08 aa 22 98 c6 05 54 cf f6 02 01 e8 f2 4d c5 00 <0f> 0b c3 cc cc cc cc 80 3d 43 cf f6 02 00 75 a8 48 c7 c7 e0 a9 22 fy pinctrl_sunrisepoint int3400_thermal acpi_thermal_rel coreboo<4>[ 54.023560] RSP: 0018:ffffabbdc2f2be48 EFLAGS: 00010286 t_table chromeos_pstore cros_kbd_led_backlight # [ 43.144245]<4>[ 54.035877] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000 CR2: 00007f7e3b20a000 # [ 43.148225] ---[ end trace dd4facc4<4>[ 54.050361] RDX: ffff8935bac2c620 RSI: ffff8935bac1bf50 RDI: ffff8935bac1bf50 18e792a9 ]--- # [ 43.153670] RIP: 0010:lkdtm_BUG+0x5/0x10 # <4>[ 54.064835] RBP: ffffffff982d03a3 R08: 0000000000000000 R09: 0000000000000000 [ 43.158338] Code: 89 ff e8 be a6 79 ff 48 c7 c0 ea ff ff ff e<4>[ 54.079339] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 b de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb<4>[ 54.093798] R13: ffffabbdc2f2bf10 R14: ffffabbdc2f2bf10 R15: ffff893542477000 c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 0<4>[ 54.108293] FS: 00007f57dbfd6740(0000) GS:ffff8935bac00000(0000) knlGS:0000000000000000 0 00 83 05 c0 06 eb 03 # [ 43.179623] RSP: 0018:ffffabbdc14ab<4>[ 54.123823] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 e60 EFLAGS: 00010286 # [ 43.185748] RAX: ffffffff95f80790 RBX<4>[ 54.136779] CR2: 00007f57dbfb5000 CR3: 00000001063c0002 CR4: 00000000003706f0 : 0000000000000001 RCX: 0000000000000000 # [ 43.194009] RDX: <4>[ 54.151241] Call Trace: 0000000000000000 RSI: ffff8935bad9bf50 RDI: ffffffff97e406d0 # <4>[ 54.160500] ? __warn+0x80/0x110 [ 43.202269] RBP: ffffffff98336fc8 R08: 0000000000000001 R09: <4>[ 54.170592] ? refcount_warn_saturate+0x74/0x110 0000000000000001 # [ 43.210530] R10: 00000000ffffe000 R11: 3f<4>[ 54.182269] ? report_bug+0x9e/0xc0 ffffffffffffff R12: 0000000000000004 # [ 43.218788] R13: ffff<4>[ 54.192665] ? handle_bug+0x41/0x90 abbdc14abf10 R14: ffffabbdc14abf10 R15: ffff893546d7d000 # [ <4>[ 54.203074] ? exc_invalid_op+0x14/0x70 43.227048] FS: 00007f7e3b023740(0000) GS:ffff8935bad00000(0000)<4>[ 54.213863] ? asm_exc_invalid_op+0x12/0x20 knlGS:0000000000000000 # [ 43.236375] CS: 0010 DS: 0000 ES:<4>[ 54.225046] ? refcount_warn_saturate+0x74/0x110 0000 CR0: 0000000080050033 # [ 43.243082] CR2: 00007f7e3b20a<4>[ 54.236705] ? refcount_warn_saturate+0x74/0x110 000 CR3: 0000000106e9a001 CR4: 00000000003706e0 # ACCESS_USERSP<4>[ 54.248406] lkdtm_REFCOUNT_ADD_ZERO+0x99/0xc1 ACE: saw 'call trace:': ok ok 37 selftests: lkdtm: ACCESS_USERS<4>[ 54.259869] direct_entry.cold+0x2c/0x38 PACE.sh # selftests: lkdtm: ACCESS_NULL.sh # Killed # [ 43.<4>[ 54.270779] full_proxy_write+0x53/0x80 362286] lkdtm: Performing direct entry ACCESS_NULL # [ 43.369<4>[ 54.281551] vfs_write+0xe7/0x3b0 296] lkdtm: attempting bad read at 0000000000000000 # [ 43.38<4>[ 54.291773] ksys_write+0x68/0xf0 1954] BUG: kernel NULL pointer dereference, address: 00000000000<4>[ 54.301967] do_syscall_64+0x30/0x40 00000 # [ 43.396211] #PF: supervisor read access in kernel mo<4>[ 54.312488] entry_SYSCALL_64_after_hwframe+0x67/0xd1 de # [ 43.402241] #PF: error_code(0x0000) - not-present page <4>[ 54.324618] RIP: 0033:0x7f57dc0d1240 # [ 43.414483] PGD 0 P4D 0 # [ 43.417601] Oops: 0000 [#13<4>[ 54.335122] 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 ] SMP PTI # [ 43.428094] CPU: 1 PID: 1899 Comm: cat Tainted: <4>[ 54.362612] RSP: 002b:00007ffc32944dd8 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 G D W 5.10.218-cip49 #1 # [ 43.437036] Hardware <4>[ 54.377588] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f57dc0d1240 name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 43.450349] R<4>[ 54.392060] RDX: 0000000000000012 RSI: 00007f57dbfb5000 RDI: 0000000000000001 IP: 0010:lkdtm_ACCESS_NULL+0x14/0x53 # [ 43.455894] Code: 6d <4>[ 54.406563] RBP: 0000000000000012 R08: 00000000ffffffff R09: 0000000000000000 d6 fb ff be 00 10 00 00 48 89 ef e8 cb f4 0a ff e9 69 ff ff ff 0<4>[ 54.421031] R10: 00007f57dbff24d0 R11: 0000000000000202 R12: 00007f57dbfb5000 f 1f 44 00 00 53 31 f6 48 c7 c7 18 12 2d 98 e8 47 d6 fb ff <48> <4>[ 54.435545] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 40 12 2d 98 48 01 <4>[ 54.450010] irq event stamp: 0 # [ 43.483381] RSP: 0018:ffffabbdc2863e58 EFLAGS: 00010246 # <4>[ 54.459953] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 43.489498] RAX: 000000000000002e RBX: 0000000000000027 RCX: <4>[ 54.473446] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 0000000000000000 # [ 43.497759] RDX: 0000000000000000 RSI: ff<4>[ 54.489100] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 ff8935bac9bf50 RDI: ffff8935bac9bf50 # [ 43.506011] RBP: ffff<4>[ 54.504737] softirqs last disabled at (0): [<0000000000000000>] 0x0 ffff982d0309 R08: 0000000000000000 R09: 0000000000000000 # [ <4>[ 54.518267] ---[ end trace dd4facc418e792b7 ]--- 43.514274] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000<6>[ 54.529921] lkdtm: Zero detected: saturated 00000000000c # [ 43.522534] R13: ffffabbdc2863f10 R14: ffffabbdc2863f10 R15: ffff893547f55000 # [ 43.530795] FS: 00007fbc0f524740(0000) GS:ffff8935bac80000(0000) knlGS:0000000000000000 # [ 43.540125] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 43.546831] CR2: 0000000000000000 CR3: 0000000102b62001 CR4: 00000000003706e0 # [ 43.555092] Call Trace: # [ 43.558112] ? __die_body.cold+0x1a/0x1f # [ 43.562783] ? no_context+0x177/0x380 # [ 43.573374] ? exc_page_fault+0x53/0x170 # [ 43.578042] ? asm_exc_page_fault+0x1e/0x30 # [ 43.589215] ? lkdtm_ACCESS_NULL+0x14/0x53 # [ 43.594078] ? lkdtm_ACCESS_NULL+0x14/0x53 # [ 43.605154] direct_entry.cold+0x2c/0x38 # [ 43.609825] full_proxy_write+0x53/0x80 # [ 43.614398] vfs_write+0xe7/0x3b0 # [ 43.624599] ksys_write+0x68/0xf0 # [ 43.628590] do_syscall_64+0x30/0x40 # [ 43.632871] entry_SYSCALL_64_after_hwframe+0x67/0xd1 # [ 43.645015] RIP: 0033:0x7fbc0f61f240 # [ 43.649296] 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 # [ 43.670574] RSP: 002b:00007fff858ddd38 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 # [ 43.679321] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007fbc0f61f240 # [ 43.687583] RDX: 000000000000000c RSI: 00007fbc0f503000 RDI: 0000000000000001 # [ 43.695844] RBP: 000000000000000c R08: 00000000ffffffff R09: 0000000000000000 # [ 43.704106] R10: 00007fbc0f5404d0 R11: 0000000000000202 R12: 00007fbc0f503000 # [ 43.712366] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 # [ 43.720630] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf ind<6>[ 54.717625] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED ustrialio btusb btrtl btbcm btintel cros_ec_sysfs cros_usbpd_log<6>[ 54.728531] lkdtm: attempting bad refcount_inc() from saturated ger cros_ec_debugfs cros_ec_chardev cros_usbpd_charger cros_ec_l<4>[ 54.741658] ------------[ cut here ]------------ <4>[ 54.753316] refcount_t: saturated; leaking memory. ightbar cros_ec_sensorhub iTCO_wdt intel_pmc_bxt intel_pmc_core_<4>[ 54.758992] WARNING: CPU: 1 PID: 2385 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 pltdrv bluetooth intel_pmc_core uvcvideo videobuf2_vmalloc video<4>[ 54.774891] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel cros_ec_sysfs cros_usbpd_logger cros_ec_debugfs cros_ec_chardev cros_usbpd_charger cros_ec_lightbar cros_ec_sensorhub iTCO_wdt intel_pmc_bxt intel_pmc_core_pltdrv bluetooth intel_pmc_core uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 processor_thermal_device gsmi iwlmvm ecdh_generic x86_pkg_temp_thermal cros_ec_dev watchdog iwlwifi snd_soc_da7219 idma64 ecc videobuf2_common intel_soc_dts_iosf snd_soc_max98927 elan_i2c i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c int3403_thermal int340x_thermal_zone cros_usbpd_notify pinctrl_sunrisepoint int3400_thermal acpi_thermal_rel coreboot_table chromeos_pstore cros_kbd_led_backlight buf2_memops videobuf2_v4l2 processor_thermal_device gsmi iwlmvm <4>[ 54.863475] CPU: 1 PID: 2385 Comm: cat Tainted: G D W 5.10.218-cip49 #1 ecdh_generic x86_pkg_temp_thermal cros_ec_dev watchdog iwlwifi s<4>[ 54.878636] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 nd_soc_da7219 idma64 ecc videobuf2_common intel_soc_dts_iosf snd<4>[ 54.891951] RIP: 0010:refcount_warn_saturate+0x51/0x110 _soc_max98927 elan_i2c i2c_hid snd_soc_core snd_compress snd_pcm<4>[ 54.904292] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 88 cf f6 02 00 75 ee 48 c7 c7 e0 a9 22 98 c6 05 78 cf f6 02 01 e8 15 4e c5 00 <0f> 0b c3 cc cc cc cc 80 3d 64 cf f6 02 00 75 cb 48 c7 c7 08 aa 22 _dmaengine regmap_i2c int3403_thermal int340x_thermal_zone cros_<4>[ 54.931790] RSP: 0018:ffffabbdc2fbbe48 EFLAGS: 00010286 usbpd_notify pinctrl_sunrisepoint int3400_thermal acpi_thermal_r<4>[ 54.944130] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000 el coreboot_table chromeos_pstore cros_kbd_led_backlight # [ <4>[ 54.958635] RDX: ffff8935bacac620 RSI: ffff8935bac9bf50 RDI: ffff8935bac9bf50 43.809210] CR2: 0000000000000000 # [ 43.813189] ---[ end trac<4>[ 54.973112] RBP: ffffffff982d03b5 R08: 0000000000000000 R09: 0000000000000000 e dd4facc418e792aa ]--- # [ 43.818637] RIP: 0010:lkdtm_BUG+0x<4>[ 54.987588] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 5/0x10 # [ 43.823306] Code: 89 ff e8 be a6 79 ff 48 c7 c0 ea <4>[ 55.002065] R13: ffffabbdc2fbbf10 R14: ffffabbdc2fbbf10 R15: ffff8935452ee000 ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 f<4>[ 55.016544] FS: 00007f1acdc81740(0000) GS:ffff8935bac80000(0000) knlGS:0000000000000000 f ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 <4>[ 55.032090] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 0f 1f 44 00 00 83 05 c0 06 eb 03 # [ 43.844572] RSP: 0018:fff<4>[ 55.045015] CR2: 00007f1acdc60000 CR3: 00000001063be003 CR4: 00000000003706e0 fabbdc14abe60 EFLAGS: 00010286 # [ 43.850698] RAX: ffffffff95<4>[ 55.059492] Call Trace: f80790 RBX: 0000000000000001 RCX: 0000000000000000 # [ 43.858<4>[ 55.068733] ? __warn+0x80/0x110 959] RDX: 0000000000000000 RSI: ffff8935bad9bf50 RDI: ffffffff97<4>[ 55.078841] ? refcount_warn_saturate+0x51/0x110 e406d0 # [ 43.867220] RBP: ffffffff98336fc8 R08: 000000000000<4>[ 55.090502] ? report_bug+0x9e/0xc0 0001 R09: 0000000000000001 # [ 43.875479] R10: 00000000ffffe0<4>[ 55.100906] ? handle_bug+0x41/0x90 00 R11: 3fffffffffffffff R12: 0000000000000004 # [ 43.883739]<4>[ 55.111304] ? exc_invalid_op+0x14/0x70 R13: ffffabbdc14abf10 R14: ffffabbdc14abf10 R15: ffff893546d7d0<4>[ 55.122093] ? asm_exc_invalid_op+0x12/0x20 00 # [ 43.892001] FS: 00007fbc0f524740(0000) GS:ffff8935bac8<4>[ 55.133275] ? refcount_warn_saturate+0x51/0x110 0000(0000) knlGS:0000000000000000 # [ 43.901322] CS: 0010 DS<4>[ 55.144935] ? refcount_warn_saturate+0x51/0x110 : 0000 ES: 0000 CR0: 0000000080050033 # [ 43.908029] CR2: 000<4>[ 55.156599] lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x64 0000000000000 CR3: 0000000102b62001 CR4: 00000000003706e0 # [ <4>[ 55.168558] direct_entry.cold+0x2c/0x38 43.916291] BUG: sleeping function called from invalid context a<4>[ 55.179448] full_proxy_write+0x53/0x80 t include/linux/percpu-rwsem.h:49 # [ 43.926485] in_atomic():<4>[ 55.190234] vfs_write+0xe7/0x3b0 0, irqs_disabled(): 1, non_block: 0, pid: 1899, name: cat # [ <4>[ 55.200440] ksys_write+0x68/0xf0 43.935231] INFO: lockdep is turned off. # [ 43.939899] irq <4>[ 55.210648] do_syscall_64+0x30/0x40 event stamp: 0 # [ 43.943597] hardirqs last enabled at (0): <4>[ 55.221146] entry_SYSCALL_64_after_hwframe+0x67/0xd1 [<0000000000000000>] 0x0 # [ 43.950887] hardirqs last disable<4>[ 55.233297] RIP: 0033:0x7f1acdd7c240 <4>[ 55.243794] 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 d at (0): [] copy_process+0x65c/0x20e0 # [ <4>[ 55.265074] RSP: 002b:00007fff6ac8b478 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 <4>[ 55.280034] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f1acdd7c240 43.960313] softirqs last enabled at (0): [] c<4>[ 55.288300] RDX: 0000000000000017 RSI: 00007f1acdc60000 RDI: 0000000000000001 <4>[ 55.302774] RBP: 0000000000000017 R08: 00000000ffffffff R09: 0000000000000000 opy_process+0x65c/0x20e0 # [ 43.969738] softirqs last disable<4>[ 55.311039] R10: 00007f1acdc9d4d0 R11: 0000000000000202 R12: 00007f1acdc60000 <4>[ 55.325513] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 d at (0): [<0000000000000000>] 0x0 # [ 43.977028] CPU: 1 PID:<4>[ 55.333784] irq event stamp: 0 <4>[ 55.343690] hardirqs last enabled at (0): [<0000000000000000>] 0x0 1899 Comm: cat Tainted: G D W 5.10.218-cip49 #1 #<4>[ 55.350985] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 55.366624] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 [ 43.985969] Hardware name: Google Rammus/Rammus, BIOS 09/04<4>[ 55.376055] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 55.389577] ---[ end trace dd4facc418e792b8 ]--- /2020 # [ 43.993065] Call Trace: # [ 43.996084] dump_stac<6>[ 55.395026] lkdtm: Saturation detected: still saturated k+0x77/0x9b # [ 44.000075] ___might_sleep.cold+0xa6/0xb6 # [ 44.011150] exit_signals+0x1c/0x300 # [ 44.015431] do_exit+0xc2/0xab0 # [ 44.019225] ? ksys_write+0x68/0xf0 # [ 44.023400] make_task_dead+0x2f/0x30 # [ 44.027768] rewind_stack_and_make_dead+0x17/0x20 # [ 44.033309] RIP: 0033:0x7fbc0f61f240 # [ 44.037590] 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 # [ 44.058866] RSP: 002b:00007fff858ddd38 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 # [ 44.067626] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007fbc0f61f240 # [ 44.075890] RDX: 000000000000000c RSI: 00007fbc0f503000 RDI: 0000000000000001 # [ 44.084151] RBP: 000000000000000c R08: 00000000ffffffff R09: 0000000000000000 # [ 44.092412] R10: 00007fbc0f5404d0 R11: 0000000000000202 R12: 00007fbc0f503000 # [ 44.100673] 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 # [ 44.227597] lkdtm: Performing direct entry WRITE_RO # [ 44.238997] lkdtm: attempting bad rodata write at ffffffff97e40b50 # [ 44.246225] BUG: unable to handle page fault for address: ffffffff97e40b50 # [ 44.254205] #PF<6>[ 55.539287] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED <6>[ 55.551192] lkdtm: attempting bad refcount_dec() from saturated <4>[ 55.558126] ------------[ cut here ]------------ : supervisor write access in kernel mode # [ 44.260331] #PF: <4>[ 55.563583] refcount_t: decrement hit 0; leaking memory. error_code(0x0003) - permissions violation # [ 44.273056] PGD<4>[ 55.576034] WARNING: CPU: 3 PID: 2421 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 132029067 P4D 132029067 PUD 13202a063 PMD 80000001318000e1 # <4>[ 55.591958] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel cros_ec_sysfs cros_usbpd_logger cros_ec_debugfs cros_ec_chardev cros_usbpd_charger cros_ec_lightbar cros_ec_sensorhub iTCO_wdt intel_pmc_bxt intel_pmc_core_pltdrv bluetooth intel_pmc_core uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 processor_thermal_device gsmi iwlmvm ecdh_generic x86_pkg_temp_thermal cros_ec_dev watchdog iwlwifi snd_soc_da7219 idma64 ecc videobuf2_common intel_soc_dts_iosf snd_soc_max98927 elan_i2c i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c int3403_thermal int340x_thermal_zone cros_usbpd_notify pinctrl_sunrisepoint int3400_thermal acpi_thermal_rel coreboot_table chromeos_pstore cros_kbd_led_backlight [ 44.281130] Oops: 0003 [#14] SMP PTI # [ 44.291622] CPU: 2<4>[ 55.680581] CPU: 3 PID: 2421 Comm: cat Tainted: G D W 5.10.218-cip49 #1 <4>[ 55.695737] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 55.702837] RIP: 0010:refcount_warn_saturate+0xfb/0x110 <4>[ 55.708989] Code: 90 aa 22 98 c6 05 e4 ce f6 02 01 e8 85 4d c5 00 0f 0b c3 cc cc cc cc 48 c7 c7 60 aa 22 98 c6 05 cb ce f6 02 01 e8 6b 4d c5 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b <4>[ 55.730265] RSP: 0018:ffffabbdc3043e48 EFLAGS: 00010286 <4>[ 55.736391] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000 <4>[ 55.744656] RDX: ffff8935badac620 RSI: ffff8935bad9bf50 RDI: ffff8935bad9bf50 <4>[ 55.752919] RBP: ffffffff982d03cc R08: 0000000000000000 R09: 0000000000000000 <4>[ 55.761182] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 <4>[ 55.769445] R13: ffffabbdc3043f10 R14: ffffabbdc3043f10 R15: ffff89354605c000 PID: 1935 Comm: cat Tainted: G D W 5.10.218-cip49 <4>[ 55.777718] FS: 00007f7b7bf24740(0000) GS:ffff8935bad80000(0000) knlGS:0000000000000000 <4>[ 55.793267] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 55.799974] CR2: 00007f7b7bf03000 CR3: 0000000107ee6002 CR4: 00000000003706e0 <4>[ 55.808240] Call Trace: <4>[ 55.811264] ? __warn+0x80/0x110 <4>[ 55.815190] ? refcount_warn_saturate+0xfb/0x110 <4>[ 55.820639] ? report_bug+0x9e/0xc0 <4>[ 55.824827] ? handle_bug+0x41/0x90 <4>[ 55.829036] ? exc_invalid_op+0x14/0x70 <4>[ 55.833611] ? asm_exc_invalid_op+0x12/0x20 <4>[ 55.838629] ? refcount_warn_saturate+0xfb/0x110 #1 # [ 44.300564] Hardware name: Google Rammus/Rammus, BIOS <4>[ 55.844110] ? refcount_warn_saturate+0xfb/0x110 09/04/2020 # [ 44.307662] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a <4>[ 55.855776] lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5f <4>[ 55.867732] direct_entry.cold+0x2c/0x38 <4>[ 55.872428] full_proxy_write+0x53/0x80 # [ 44.312913] Code: 00 48 c7 c7 f8 10 2d 98 48 c7 c6 50 0b e<4>[ 55.877029] vfs_write+0xe7/0x3b0 <4>[ 55.887230] ksys_write+0x68/0xf0 <4>[ 55.891223] do_syscall_64+0x30/0x40 <4>[ 55.895507] entry_SYSCALL_64_after_hwframe+0x67/0xd1 <4>[ 55.901441] RIP: 0033:0x7f7b7c01f240 4 97 e8 f1 d8 fb ff 48 8b 05 a5 83 7e 01 ba 34 12 cd ab 48 c7 c7<4>[ 55.905724] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89 <4>[ 55.933217] RSP: 002b:00007ffed4c56fb8 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 <4>[ 55.941968] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f7b7c01f240 <4>[ 55.950232] RDX: 0000000000000017 RSI: 00007f7b7bf03000 RDI: 0000000000000001 <4>[ 55.958496] RBP: 0000000000000017 R08: 00000000ffffffff R09: 0000000000000000 <4>[ 55.966760] R10: 00007f7b7bf404d0 R11: 0000000000000202 R12: 00007f7b7bf03000 <4>[ 55.975026] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 <4>[ 55.983293] irq event stamp: 0 <4>[ 55.987013] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 55.994306] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 56.003736] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 56.013167] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 56.020458] ---[ end trace dd4facc418e792b9 ]--- <6>[ 56.025906] lkdtm: Saturation detected: still saturated 28 11 2d 98 48 31 d0 <48> 89 05 8f 83 7e 01 e9 cf d8 fb ff 0f 1f 44 00 00 48 8b 05 7e 0b # [ 44.334179] RSP: 0018:ffffabbdc28abe60 EFLAGS: 00010202 # [ 44.340304] RAX: 000000000198b861 RBX: 0000000000000028 RCX: 0000000000000000 # [ 44.348572] RDX: 00000000abcd1234 RSI: ffff8935bad1bf50 RDI: ffffffff982d1128 # [ 44.356834] RBP: ffffffff982d0315 R08: 0000000000000000 R09: 0000000000000000 # [ 44.365094] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000009 # [ 44.373356] R13: ffffabbdc28abf10 R14: ffffabbdc28abf10 R15: ffff8935464c4000 # [ 44.381616] FS: 00007fa6e94b0740(0000) GS:ffff8935bad00000(0000) knlGS:0000000000000000 # [ 44.390946] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 44.397654] CR2: ffffffff97e40b50 CR3: 0000000104ce8004 CR4: 00000000003706e0 # [ 44.405907] Call Trace: # [ 44.408928] ? __die_body.cold+0x1a/0x1f # [ 44.413597] ? no_context+0x177/0x380 # [ 44.417978] ? exc_page_fault+0xd7/0x170 # [ 44.422646] ? asm_exc_page_fault+0x1e/0x30 # [ 44.427622] ? lkdtm_WRITE_RO+0x2e/0x3a # [ 44.432225] direct_entry.cold+0x2c/0x38 # [ 44.436895] full_proxy_write+0x53/0x80 # [ 44.441467] vfs_write+0xe7/0x3b0 # [ 44.445456] ksys_write+0x68/0xf0 # [ 44.449437] do_syscall_64+0x30/0x40 # [ 44.453718] entry_SYSCALL_64_after_hwframe+0x67/0xd1 # [ 44.459649] RIP: 0033:0x7fa6e95ab240 # [ 44.463929] 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 0<6>[ 56.185753] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED <6>[ 56.194652] lkdtm: attempting bad refcount_dec() from saturated <4>[ 56.201577] ------------[ cut here ]------------ 0 48 83 ec 28 48 89 # [ 44.485195] RSP: 002b:00007ffd97b8f048<4>[ 56.207029] refcount_t: saturated; leaking memory. <4>[ 56.218910] WARNING: CPU: 3 PID: 2457 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 # [ 44.493932] R<4>[ 56.228638] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel cros_ec_sysfs cros_usbpd_logger cros_ec_debugfs cros_ec_chardev cros_usbpd_charger cros_ec_lightbar cros_ec_sensorhub iTCO_wdt intel_pmc_bxt intel_pmc_core_pltdrv bluetooth intel_pmc_core uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 processor_thermal_device gsmi iwlmvm ecdh_generic x86_pkg_temp_thermal cros_ec_dev watchdog iwlwifi snd_soc_da7219 idma64 ecc videobuf2_common intel_soc_dts_iosf snd_soc_max98927 elan_i2c i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c int3403_thermal int340x_thermal_zone cros_usbpd_notify pinctrl_sunrisepoint int3400_thermal acpi_thermal_rel coreboot_table chromeos_pstore cros_kbd_led_backlight <4>[ 56.317217] CPU: 3 PID: 2457 Comm: cat Tainted: G D W 5.10.218-cip49 #1 <4>[ 56.326193] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 56.333319] RIP: 0010:refcount_warn_saturate+0x51/0x110 <4>[ 56.339480] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 88 cf f6 02 00 75 ee 48 c7 c7 e0 a9 22 98 c6 05 78 cf f6 02 01 e8 15 4e c5 00 <0f> 0b c3 cc cc cc cc 80 3d 64 cf f6 02 00 75 cb 48 c7 c7 08 aa 22 <4>[ 56.360787] RSP: 0018:ffffabbdc30c3e48 EFLAGS: 00010286 <4>[ 56.366919] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000 <4>[ 56.375186] RDX: ffff8935badac620 RSI: ffff8935bad9bf50 RDI: ffff8935bad9bf50 <4>[ 56.383454] RBP: ffffffff982d03e3 R08: 0000000000000000 R09: 0000000000000000 <4>[ 56.391750] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 <4>[ 56.400018] R13: ffffabbdc30c3f10 R14: ffffabbdc30c3f10 R15: ffff8935433b2000 <4>[ 56.408314] FS: 00007fa0a59a5740(0000) GS:ffff8935bad80000(0000) knlGS:0000000000000000 <4>[ 56.417648] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 56.424359] CR2: 00007fa0a5984000 CR3: 0000000102b9e002 CR4: 00000000003706e0 <4>[ 56.432626] Call Trace: <4>[ 56.435653] ? __warn+0x80/0x110 AX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007fa6e95ab240<4>[ 56.439577] ? refcount_warn_saturate+0x51/0x110 <4>[ 56.451237] ? report_bug+0x9e/0xc0 # [ 44.502192] RDX: 0000000000000009 RSI: 00007fa6e948f000 R<4>[ 56.455454] ? handle_bug+0x41/0x90 DI: 0000000000000001 # [ 44.510453] RBP: 0000000000000009 R08<4>[ 56.465848] ? exc_invalid_op+0x14/0x70 : 00000000ffffffff R09: 0000000000000000 # [ 44.518714] R10: <4>[ 56.476637] ? asm_exc_invalid_op+0x12/0x20 <4>[ 56.487839] ? refcount_warn_saturate+0x51/0x110 00007fa6e94cc4d0 R11: 0000000000000202 R12: 00007fa6e948f000 # <4>[ 56.493299] ? refcount_warn_saturate+0x51/0x110 <4>[ 56.504953] lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x64 <4>[ 56.510693] direct_entry.cold+0x2c/0x38 <4>[ 56.515408] full_proxy_write+0x53/0x80 [ 44.526974] R13: 0000000000000001 R14: 0000000000020000 R15: <4>[ 56.520002] vfs_write+0xe7/0x3b0 <4>[ 56.530215] ksys_write+0x68/0xf0 0000000000000000 # [ 44.535238] Modules linked in: fuse ip_ta<4>[ 56.534217] do_syscall_64+0x30/0x40 <4>[ 56.544707] entry_SYSCALL_64_after_hwframe+0x67/0xd1 <4>[ 56.550670] RIP: 0033:0x7fa0a5aa0240 <4>[ 56.554953] 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>[ 56.576231] RSP: 002b:00007ffd29603eb8 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 <4>[ 56.584981] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007fa0a5aa0240 <4>[ 56.593246] RDX: 0000000000000017 RSI: 00007fa0a5984000 RDI: 0000000000000001 <4>[ 56.601510] RBP: 0000000000000017 R08: 00000000ffffffff R09: 0000000000000000 <4>[ 56.609774] R10: 00007fa0a59c14d0 R11: 0000000000000202 R12: 00007fa0a5984000 <4>[ 56.618039] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 <4>[ 56.626306] irq event stamp: 0 <4>[ 56.630035] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 56.637329] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 56.646760] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 56.656191] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 56.663484] ---[ end trace dd4facc418e792ba ]--- <6>[ 56.668931] lkdtm: Saturation detected: still saturated bles cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel cros_ec_sysfs cros_usbpd_logger cros_ec_debugfs cros_ec_chardev cros_usbpd_charger cros_ec_lightbar cros_ec_sensorhub iTCO_wdt intel_pmc_bxt intel_pmc_core_pltdrv bluetooth intel_pmc_core uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 processor_thermal_device gsmi iwlmvm ecdh_generic x86_pkg_temp_thermal cros_ec_dev watchdog iwlwifi snd_soc_da7219 idma64 ecc videobuf2_common intel_soc_dts_iosf snd_soc_max98927 elan_i2c i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c int3403_thermal int340x_thermal_zone cros_usbpd_notify pinctrl_sunrisepoint int3400_thermal acpi_thermal_rel coreboot_table chromeos_pstore cros_kbd_led_backlight # [ 44.623850] CR2: ffffffff97e40b50 # [ 44.627839] ---[ end trace dd4facc418e792ab ]--- # [ 44.633277] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 44.637944] Code: 89 ff e8 be a6 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 c0 06 eb 03 # [ 44.659219] RSP: 0018:ffffabbdc14abe60 EFLAGS: 00010286 # [ 44.665343] RAX: ffffffff95f80790 RBX: 0000000000000001 RCX: 0000000000000000 # [ 44.673604] RDX: 0000000000000000 RSI: ffff8935bad9bf50 RDI: ffffffff97e406d0 # [ 44.681864] RBP: ffffffff98336fc8 R08: 0000000000000001 R09: 0000000000000001 # [ 44.690124] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 44.698384] R13: ffffabbdc14abf10 R14: ffffabbdc14abf10 R15: ffff893546d7d000 # [ 44.706645] FS: 00007fa6e94b0740(0000) GS:ffff8935bad00000(0000) knlGS:0000000000000000 # [ 44.715973] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 44.722680] CR2: ffffffff97e40b50 CR3: 0000000104ce8004 CR4: 00000000003706e0 # WRITE_RO: saw 'call trace:': ok ok 39 selftests: lkdtm: WRITE_RO.sh # selftests: lkdtm: WRITE_RO_AFTER_INIT.sh # Killed # [ 44.848454] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT # [ 44.855889] lkdtm: attempting bad ro_after_init write at ffffffff98359350 # [ 44.869997] BUG: unable to handle page fault for address: ffffffff98359350 # [ 44.884157] #PF: supervisor write access in kernel mode # [ 44.890285] #PF: error_code(0x0003) - permissions violation # [ 44.896798] PGD 132029067 P4D 132029067 PUD 13202a063 PMD 8000000131c000e1 # [ 44.911087] Oops: 0003 [#15] SMP PTI # [ 44.915368] CPU: 1 PID: 1971 Comm: cat Tainted: G D W 5.10.218-cip49 #1 # [ 44.924310] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 44.931400] RIP: 0010:lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a # [ 44.937720] Code: 11 2d 98 e9 a3 d8 fb ff 48 c7 c7 80 11 2d 98 e8 97 d8 fb ff 48 8b 05 4b 0b d0 01 ba 34 12 cd ab 48 c7 c7 28 11 2d 98 48 31 d0 <48> 89 05 35 0b d0 01 e9 75 d8 fb ff 0f 1f 44 00 00 41 54 48 c7 c7 # [ 44.965206] RSP: 0018:ffffabbdc2973e60 EFLAGS: 00010202 # [ 44.971332] RAX: 00000000fe67479e RBX: 0000000000000029 RCX: 0000000000000000 # [ 44.979593] RDX: 00000000abcd1234 RSI: ffff8935bac9bf50 RDI: ffffffff982d1128 # [ 44.987853] RBP: ffffffff982d031e R08: 0000000000000000 R09: 0000000000000000 # [ 44.996113] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000014 # [ 45.004374] R13: ffffabbdc2973f10 R14: ffffabbdc2973f10 R15: ffff893544a83000 # [ 45.012634] FS: 00007ff1ec44e740(0000) GS:ffff8935bac80000(0000) knlGS:0000000000000000 # [ 45.021961] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 45.028668] CR2: ffffffff98359350 CR3: 0000000107fb4002 CR4: 00000000003706e0 # [ 45.036928] Call Trace: # [ 45.039948] ? __die_body.cold+0x1a/0x1f # [ 45.044632] ? no_context+0x177/0x380 # [ 45.055225] ? exc_page_fault+0xd7/0x170 # [ 45.059896] ? asm_exc_page_fault+0x1e/0x30 # [ 45.071070] ? lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a # [ 45.076712] direct_entry.cold+0x2c/0x38 # [ 45.087595] full_proxy_write+0x53/0x80 # [ 45.092169] vfs_write+0xe7/0x3b0 # [ 45.102370] ksys_write+0x68/0xf0 # [ 45.106350] do_syscall_64+0x30/0x40 # [ 45.110630] entry_SYSCALL_64_after_hwframe+0x67/0xd1 # [ 45.116575] RIP: 0033:0x7ff1ec549240 # [ 45.120855] 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 # [ 45.142120] RSP: 002b:00007ffdd8e48fb8 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 # [ 45.150869] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007ff1ec549240 # [ 45.159129] RDX: 0000000000000014 RSI: 00007ff1ec42d000 RDI: 0000000000000001 # [ 45.167391] RBP: 0000000000000014 R08: 00000000ffffffff R09: 0000000000000000 # [ 45.175652] R10: 00007ff1ec46a4d0 R11: 0000000000000202 R12: 00007ff1ec42d000 # [ 45.183912] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 # [ 45.192176] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel cros_ec_sysfs cros_usbpd_logger cros_ec_debugfs cros_ec_chardev cros_usbpd_charger cros_ec_lightbar cros_ec_sensorhub iTCO_wdt intel_pmc_bxt intel_pmc_core_pltdrv bluetooth intel_pmc_core uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 processor_thermal_device gsmi iwlmvm ecdh_generic x86_pkg_temp_thermal cros_ec_dev watchdog iwlwifi snd_soc_da7219 idma64 ecc videobuf2_common intel_soc_dts_iosf snd_soc_max98927 elan_i2c i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c int3403_thermal int<6>[ 57.235337] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED 340x_thermal_zone cros_usbpd_notify pinctrl_sunrisepoint int3400<6>[ 57.248500] lkdtm: attempting bad refcount_inc_not_zero() from saturated _thermal acpi_thermal_rel coreboot_table chromeos_pstore cros_kb<4>[ 57.262508] ------------[ cut here ]------------ d_led_backlight # [ 45.280758] CR2: ffffffff98359350 # [ 4<4>[ 57.274192] refcount_t: saturated; leaking memory. 5.284748] ---[ end trace dd4facc418e792ac ]--- # [ 45.290185]<4>[ 57.286064] WARNING: CPU: 0 PID: 2490 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 45.294853] Code: 89 ff e8 b<4>[ 57.302003] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel cros_ec_sysfs cros_usbpd_logger cros_ec_debugfs cros_ec_chardev cros_usbpd_charger cros_ec_lightbar cros_ec_sensorhub iTCO_wdt intel_pmc_bxt intel_pmc_core_pltdrv bluetooth intel_pmc_core uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 processor_thermal_device gsmi iwlmvm ecdh_generic x86_pkg_temp_thermal cros_ec_dev watchdog iwlwifi snd_soc_da7219 idma64 ecc videobuf2_common intel_soc_dts_iosf snd_soc_max98927 elan_i2c i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c int3403_thermal int340x_thermal_zone cros_usbpd_notify pinctrl_sunrisepoint int3400_thermal acpi_thermal_rel coreboot_table chromeos_pstore cros_kbd_led_backlight e a6 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc<4>[ 57.390582] CPU: 0 PID: 2490 Comm: cat Tainted: G D W 5.10.218-cip49 #1 cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0<4>[ 57.405736] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 c0 06 eb 03 # [ 4<4>[ 57.419076] RIP: 0010:refcount_warn_saturate+0x97/0x110 5.316117] RSP: 0018:ffffabbdc14abe60 EFLAGS: 00010286 # [ 45.<4>[ 57.431457] Code: 02 01 e8 f2 4d c5 00 0f 0b c3 cc cc cc cc 80 3d 43 cf f6 02 00 75 a8 48 c7 c7 e0 a9 22 98 c6 05 33 cf f6 02 01 e8 cf 4d c5 00 <0f> 0b c3 cc cc cc cc 80 3d 1d cf f6 02 00 75 85 48 c7 c7 38 aa 22 322243] RAX: ffffffff95f80790 RBX: 0000000000000001 RCX: 0000000<4>[ 57.458932] RSP: 0018:ffffabbdc311be38 EFLAGS: 00010282 000000000 # [ 45.330502] RDX: 0000000000000000 RSI: ffff8935b<4>[ 57.471323] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 ad9bf50 RDI: ffffffff97e406d0 # [ 45.338761] RBP: ffffffff983<4>[ 57.485786] RDX: ffff8935bac2c620 RSI: ffff8935bac1bf50 RDI: ffff8935bac1bf50 36fc8 R08: 0000000000000001 R09: 0000000000000001 # [ 45.3470<4>[ 57.500314] RBP: ffffffff982d0010 R08: 0000000000000000 R09: 0000000000000000 22] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 00000000000<4>[ 57.514772] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 00004 # [ 45.355282] R13: ffffabbdc14abf10 R14: ffffabbdc14ab<4>[ 57.529290] R13: ffffabbdc311bf10 R14: ffffabbdc311bf10 R15: ffff893547fa6000 f10 R15: ffff893546d7d000 # [ 45.363544] FS: 00007ff1ec44e74<4>[ 57.543753] FS: 00007fa39ec6b740(0000) GS:ffff8935bac00000(0000) knlGS:0000000000000000 0(0000) GS:ffff8935bac80000(0000) knlGS:0000000000000000 # [ <4>[ 57.559353] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 45.372898] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # <4>[ 57.572236] CR2: 00007fa39ec4a000 CR3: 0000000106716002 CR4: 00000000003706f0 [ 45.379604] CR2: ffffffff98359350 CR3: 0000000107fb4002 CR4: <4>[ 57.586722] Call Trace: 00000000003706e0 # [ 45.387867] BUG: sleeping function called<4>[ 57.595956] ? __warn+0x80/0x110 from invalid context at include/linux/percpu-rwsem.h:49 # [ <4>[ 57.606073] ? refcount_warn_saturate+0x97/0x110 45.398069] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid<4>[ 57.617722] ? report_bug+0x9e/0xc0 : 1971, name: cat # [ 45.406816] INFO: lockdep is turned off.<4>[ 57.628115] ? handle_bug+0x41/0x90 # [ 45.411484] irq event stamp: 0 # [ 45.415180] hardirqs<4>[ 57.638512] ? exc_invalid_op+0x14/0x70 last enabled at (0): [<0000000000000000>] 0x0 # [ 45.422472<4>[ 57.649300] ? asm_exc_invalid_op+0x12/0x20 ] hardirqs last disabled at (0): [] copy_proce<4>[ 57.660499] ? refcount_warn_saturate+0x97/0x110 ss+0x65c/0x20e0 # [ 45.431889] softirqs last enabled at (0):<4>[ 57.672157] ? refcount_warn_saturate+0x97/0x110 [] copy_process+0x65c/0x20e0 # [ 45.441314<4>[ 57.683839] __refcount_add_not_zero.constprop.0+0x2a/0x35 ] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ <4>[ 57.696461] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x76 45.448619] CPU: 1 PID: 1971 Comm: cat Tainted: G D W <4>[ 57.709313] direct_entry.cold+0x2c/0x38 5.10.218-cip49 #1 # [ 45.457573] Hardware name: Google Ram<4>[ 57.720181] full_proxy_write+0x53/0x80 mus/Rammus, BIOS 09/04/2020 # [ 45.470882] Call Trace: # [ <4>[ 57.730987] vfs_write+0xe7/0x3b0 45.473900] dump_stack+0x77/0x9b # [ 45.477891] ___might_s<4>[ 57.741178] ksys_write+0x68/0xf0 leep.cold+0xa6/0xb6 # [ 45.488966] exit_signals+0x1c/0x300 <4>[ 57.751406] do_syscall_64+0x30/0x40 # [ 45.493246] do_exit+0xc2/0xab0 # [ 45.497040] ? ksys_w<4>[ 57.761889] entry_SYSCALL_64_after_hwframe+0x67/0xd1 rite+0x68/0xf0 # [ 45.501215] make_task_dead+0x2f/0x30 # [ <4>[ 57.774071] RIP: 0033:0x7fa39ed66240 45.505594] rewind_stack_and_make_dead+0x17/0x20 # [ 45.511<4>[ 57.784556] 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 89 136] RIP: 0033:0x7ff1ec549240 # [ 45.515415] Code: 40 00 48 8<4>[ 57.812067] RSP: 002b:00007ffea0f3be68 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f<4>[ 57.827011] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fa39ed66240 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f<4>[ 57.841505] RDX: 0000000000000020 RSI: 00007fa39ec4a000 RDI: 0000000000000001 0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89 # [ 4<4>[ 57.855968] RBP: 0000000000000020 R08: 00000000ffffffff R09: 0000000000000000 5.536689] RSP: 002b:00007ffdd8e48fb8 EFLAGS: 00000202 ORIG_RAX: <4>[ 57.870457] R10: 00007fa39ec874d0 R11: 0000000000000202 R12: 00007fa39ec4a000 0000000000000001 # [ 45.545438] RAX: ffffffffffffffda RBX: 00<4>[ 57.884934] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 00000000000014 RCX: 00007ff1ec549240 # [ 45.553698] RDX: 0000<4>[ 57.899428] irq event stamp: 0 000000000014 RSI: 00007ff1ec42d000 RDI: 0000000000000001 # [ <4>[ 57.909327] hardirqs last enabled at (0): [<0000000000000000>] 0x0 45.561958] RBP: 0000000000000014 R08: 00000000ffffffff R09: 0000<4>[ 57.922852] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 000000000000 # [ 45.570219] R10: 00007ff1ec46a4d0 R11: 000000<4>[ 57.938482] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 0000000202 R12: 00007ff1ec42d000 # [ 45.578480] R13: 00000000<4>[ 57.954146] softirqs last disabled at (0): [<0000000000000000>] 0x0 00000001 R14: 0000000000020000 R15: 0000000000000000 # WRITE_RO<4>[ 57.967638] ---[ end trace dd4facc418e792bb ]--- _AFTER_INIT: saw 'call trace:': ok ok 40 selftests: lkdtm: WRIT<6>[ 57.979319] lkdtm: Saturation detected: still saturated E_RO_AFTER_INIT.sh # selftests: lkdtm: WRITE_KERN.sh # Killed # [ 45.710660] lkdtm: Performing direct entry WRITE_KERN # [ 45.716987] lkdtm: attempting bad 7175109 byte write at ffffffff96658725 # [ 45.730987] BUG: unable to handle page fault for address: ffffffff96658725 # [ 45.745167] #PF: supervisor write access in kernel mode # [ 45.751293] #PF: error_code(0x0003) - permissions violation # [ 45.757807] PGD 132029067 P4D 132029067 PUD 13202a063 PMD 1300000e1 # [ 45.771415] Oops: 0003 [#16] SMP PTI # [ 45.775696] CPU: 1 PID: 2007 Comm: cat Tainted: G D W 5.10.218-cip49 #1 # [ 45.784640] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 45.791730] RIP: 0010:lkdtm_WRITE_KERN+0x38/0x4e # [ 45.797176] Code: 53 48 c7 c3 25 87 65 96 49 89 dc 48 89 da 49 81 ec 60 0b f8 95 4c 89 e6 e8 4a d8 fb ff 48 89 df 4c 89 e1 48 c7 c6 60 0b f8 95 a4 48 c7 c7 28 11 2d 98 e8 2f d8 fb ff 5b 41 5c e9 b7 fe ff ff # [ 45.824664] RSP: 0018:ffffabbdc29f3e50 EFLAGS: 00010246 # [ 45.830790] RAX: 000000000000003c RBX: ffffffff96658725 RCX: 00000000006d7bc5 # [ 45.839051] RDX: 0000000000000000 RSI: ffffffff95f80b60 RDI: ffffffff96658725 # [ 45.847311] RBP: ffffffff982d0332 R08: 0000000000000000 R09: 0000000000000000 # [ 45.855575] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 00000000006d7bc5 # [ 45.863834] R13: ffffabbdc29f3f10 R14:<6>[ 58.122300] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED ffffabbdc29f3f10 R15: ffff89354519e000 # [ 45.872096] FS: 0<6>[ 58.136357] lkdtm: attempting bad refcount_add_not_zero() from saturated 0007f6c7b1e0740(0000) GS:ffff8935bac80000(0000) knlGS:0000000000<4>[ 58.150368] ------------[ cut here ]------------ 000000 # [ 45.881426] CS: 0010 DS: 0000 ES: 0000 CR0: 000000<4>[ 58.162009] refcount_t: saturated; leaking memory. 0080050033 # [ 45.888123] CR2: ffffffff96658725 CR3: 00000001<4>[ 58.173882] WARNING: CPU: 1 PID: 2523 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 02aec006 CR4: 00000000003706e0 # [ 45.896384] Call Trace: # <4>[ 58.189807] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel cros_ec_sysfs cros_usbpd_logger cros_ec_debugfs cros_ec_chardev cros_usbpd_charger cros_ec_lightbar cros_ec_sensorhub iTCO_wdt intel_pmc_bxt intel_pmc_core_pltdrv bluetooth intel_pmc_core uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 processor_thermal_device gsmi iwlmvm ecdh_generic x86_pkg_temp_thermal cros_ec_dev watchdog iwlwifi snd_soc_da7219 idma64 ecc videobuf2_common intel_soc_dts_iosf snd_soc_max98927 elan_i2c i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c int3403_thermal int340x_thermal_zone cros_usbpd_notify pinctrl_sunrisepoint int3400_thermal acpi_thermal_rel coreboot_table chromeos_pstore cros_kbd_led_backlight [ 45.899403] ? __die_body.cold+0x1a/0x1f # [ 45.904073] ?<4>[ 58.278385] CPU: 1 PID: 2523 Comm: cat Tainted: G D W 5.10.218-cip49 #1 no_context+0x177/0x380 # [ 45.914663] ? lkdtm_SLAB_FREE_CRO<4>[ 58.293548] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 SS.cold+0x32/0x32 # [ 45.920402] ? exc_page_fault+0xd7/0x170<4>[ 58.306865] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 45.925069] ? asm_exc_page_fault+0x1e/0x30 # [ 45.930<4>[ 58.319206] Code: 02 01 e8 f2 4d c5 00 0f 0b c3 cc cc cc cc 80 3d 43 cf f6 02 00 75 a8 48 c7 c7 e0 a9 22 98 c6 05 33 cf f6 02 01 e8 cf 4d c5 00 <0f> 0b c3 cc cc cc cc 80 3d 1d cf f6 02 00 75 85 48 c7 c7 38 aa 22 028] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 # [ 45.935766] <4>[ 58.346725] RSP: 0018:ffffabbdc31bbe38 EFLAGS: 00010282 ? lkdtm_SLAB_FREE_PAGE+0x40/0x40 # [ 45.940921] ? lkdtm_SLAB<4>[ 58.359047] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 _FREE_CROSS.cold+0x32/0x32 # [ 45.952871] ? lkdtm_WRITE_KERN<4>[ 58.373524] RDX: ffff8935bacac620 RSI: ffff8935bac9bf50 RDI: ffff8935bac9bf50 <4>[ 58.388003] RBP: ffffffff982d0030 R08: 0000000000000000 R09: 0000000000000000 +0x38/0x4e # [ 45.957637] direct_entry.cold+0x2c/0x38 # [ <4>[ 58.396270] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 45.962309] full_proxy_write+0x53/0x80 # [ 45.966882] vfs_w<4>[ 58.410744] R13: ffffabbdc31bbf10 R14: ffffabbdc31bbf10 R15: ffff893546551000 rite+0xe7/0x3b0 # [ 45.977083] ksys_write+0x68/0xf0 # [ 4<4>[ 58.425223] FS: 00007f2f789e8740(0000) GS:ffff8935bac80000(0000) knlGS:0000000000000000 5.981072] do_syscall_64+0x30/0x40 # [ 45.985344] entry_SYSC<4>[ 58.440772] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 58.453698] CR2: 00007f2f789c7000 CR3: 0000000106244002 CR4: 00000000003706e0 ALL_64_after_hwframe+0x67/0xd1 # [ 45.991275] RIP: 0033:0x7f6<4>[ 58.461964] Call Trace: c7b2db240 # [ 45.995574] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 <4>[ 58.471215] ? __warn+0x80/0x110 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 0<4>[ 58.481329] ? refcount_warn_saturate+0x97/0x110 0 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f <4>[ 58.492992] ? report_bug+0x9e/0xc0 1f 80 00 00 00 00 48 83 ec 28 48 89 # [ 46.016850] RSP: 002b:<4>[ 58.503394] ? handle_bug+0x41/0x90 00007fff723e5a08 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 # <4>[ 58.513792] ? exc_invalid_op+0x14/0x70 [ 46.025588] RAX: ffffffffffffffda RBX: 000000000000000b RCX: <4>[ 58.524584] ? asm_exc_invalid_op+0x12/0x20 00007f6c7b2db240 # [ 46.033848] RDX: 000000000000000b RSI: 00<4>[ 58.535766] ? refcount_warn_saturate+0x97/0x110 007f6c7b1bf000 RDI: 0000000000000001 # [ 46.042109] RBP: 0000<4>[ 58.547425] ? refcount_warn_saturate+0x97/0x110 <4>[ 58.559089] __refcount_add_not_zero.constprop.0+0x2a/0x35 00000000000b R08: 00000000ffffffff R09: 0000000000000000 # [ <4>[ 58.565535] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x76 46.050370] R10: 00007f6c7b1fc4d0 R11: 0000000000000202 R12: 0000<4>[ 58.578364] direct_entry.cold+0x2c/0x38 7f6c7b1bf000 # [ 46.058630] R13: 0000000000000001 R14: 000000<4>[ 58.589254] full_proxy_write+0x53/0x80 0000020000 R15: 0000000000000000 # [ 46.066893] Modules linke<4>[ 58.600040] vfs_write+0xe7/0x3b0 d in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_s<4>[ 58.610249] ksys_write+0x68/0xf0 ensors_core industrialio_triggered_buffer kfifo_buf industrialio<4>[ 58.620457] do_syscall_64+0x30/0x40 btusb btrtl btbcm btintel cros_ec_sysfs cros_usbpd_logger cros_<4>[ 58.630954] entry_SYSCALL_64_after_hwframe+0x67/0xd1 ec_debugfs cros_ec_chardev cros_usbpd_charger cros_ec_lightbar c<4>[ 58.643103] RIP: 0033:0x7f2f78ae3240 ros_ec_sensorhub iTCO_wdt intel_pmc_bxt intel_pmc_core_pltdrv bl<4>[ 58.653617] 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>[ 58.681116] RSP: 002b:00007fff74411ee8 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 uetooth intel_pmc_core uvcvideo videobuf2_vmalloc videobuf2_memo<4>[ 58.689895] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f2f78ae3240 ps videobuf2_v4l2 processor_thermal_device gsmi iwlmvm ecdh_gene<4>[ 58.704368] RDX: 0000000000000020 RSI: 00007f2f789c7000 RDI: 0000000000000001 ric x86_pkg_temp_thermal cros_ec_dev watchdog iwlwifi snd_soc_da<4>[ 58.718848] RBP: 0000000000000020 R08: 00000000ffffffff R09: 0000000000000000 <4>[ 58.733327] R10: 00007f2f78a044d0 R11: 0000000000000202 R12: 00007f2f789c7000 7219 idma64 ecc videobuf2_common intel_soc_dts_iosf snd_soc_max9<4>[ 58.741595] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 8927 elan_i2c i2c_hid snd_soc_core snd_compress snd_pcm_dmaengin<4>[ 58.756091] irq event stamp: 0 e regmap_i2c int3403_thermal int340x_thermal_zone cros_usbpd_not<4>[ 58.765985] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 58.779493] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 ify pinctrl_sunrisepoint int3400_thermal acpi_thermal_rel corebo<4>[ 58.788925] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 58.804577] softirqs last disabled at (0): [<0000000000000000>] 0x0 ot_table chromeos_pstore cros_kbd_led_backlight # [ 46.155474<4>[ 58.811873] ---[ end trace dd4facc418e792bc ]--- ] CR2: ffffffff96658725 # [ 46.159464] ---[ end trace dd4facc<6>[ 58.823533] lkdtm: Saturation detected: still saturated 418e792ad ]--- # [ 46.164909] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 46.169580] Code: 89 ff e8 be a6 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 c0 06 eb 03 # [ 46.190855] RSP: 0018:ffffabbdc14abe60 EFLAGS: 00010286 # [ 46.196979] RAX: ffffffff95f80790 RBX: 0000000000000001 RCX: 0000000000000000 # [ 46.205237] RDX: 0000000000000000 RSI: ffff8935bad9bf50 RDI: ffffffff97e406d0 # [ 46.213497] RBP: ffffffff98336fc8 R08: 0000000000000001 R09: 0000000000000001 # [ 46.221757] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 46.230018] R13: ffffabbdc14abf10 R14: ffffabbdc14abf10 R15: ffff893546d7d000 # [ 46.238280] FS: 00007f6c7b1e0740(0000) GS:ffff8935bac80000(0000) knlGS:0000000000000000 # [ 46.247625] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 46.254331] CR2: ffffffff96658725 CR3: 0000000102aec006 CR4: 00000000003706e0 # WRITE_KERN: saw 'call trace:': ok ok 41 selftests: lkdtm: WRITE_KERN.sh # selftests: lkdtm: REFCOUNT_INC_OVERFLOW.sh # [ 46.427260] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW # [ 46.437503] lkdtm: attempting good refcount_inc() without overflow # [ 46.450913] lkdtm: attempting bad refcount_inc() overflow # [ 46.463448] ------------[ cut here ]------------ # [ 46.475112] refcount_t: saturated; leaking memory. # [ 46.487003] WARNING: CPU: 1 PID: 2043 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 46.502907] Modules linked in: fuse ip_table<6>[ 58.989692] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED s cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industr<6>[ 58.999358] lkdtm: attempting bad refcount_dec_and_test() from saturated ialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm <4>[ 59.013355] ------------[ cut here ]------------ <4>[ 59.025014] refcount_t: underflow; use-after-free. btintel cros_ec_sysfs cros_usbpd_logger cros_ec_debugfs cros_ec_<4>[ 59.030692] WARNING: CPU: 1 PID: 2559 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 chardev cros_usbpd_charger cros_ec_lightbar cros_ec_sensorhub iT<4>[ 59.046593] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel cros_ec_sysfs cros_usbpd_logger cros_ec_debugfs cros_ec_chardev cros_usbpd_charger cros_ec_lightbar cros_ec_sensorhub iTCO_wdt intel_pmc_bxt intel_pmc_core_pltdrv bluetooth intel_pmc_core uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 processor_thermal_device gsmi iwlmvm ecdh_generic x86_pkg_temp_thermal cros_ec_dev watchdog iwlwifi snd_soc_da7219 idma64 ecc videobuf2_common intel_soc_dts_iosf snd_soc_max98927 elan_i2c i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c int3403_thermal int340x_thermal_zone cros_usbpd_notify pinctrl_sunrisepoint int3400_thermal acpi_thermal_rel coreboot_table chromeos_pstore cros_kbd_led_backlight CO_wdt intel_pmc_bxt intel_pmc_core_pltdrv bluetooth intel_pmc_c<4>[ 59.135171] CPU: 1 PID: 2559 Comm: cat Tainted: G D W 5.10.218-cip49 #1 <4>[ 59.150327] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 ore uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 p<4>[ 59.157429] RIP: 0010:refcount_warn_saturate+0xba/0x110 rocessor_thermal_device gsmi iwlmvm ecdh_generic x86_pkg_temp_th<4>[ 59.169766] Code: 02 01 e8 cf 4d c5 00 0f 0b c3 cc cc cc cc 80 3d 1d cf f6 02 00 75 85 48 c7 c7 38 aa 22 98 c6 05 0d cf f6 02 01 e8 ac 4d c5 00 <0f> 0b c3 cc cc cc cc 80 3d f8 ce f6 02 00 0f 85 5e ff ff ff 48 c7 ermal cros_ec_dev watchdog iwlwifi snd_soc_da7219 idma64 ecc vid<4>[ 59.197258] RSP: 0018:ffffabbdc326be40 EFLAGS: 00010286 eobuf2_common intel_soc_dts_iosf snd_soc_max98927 elan_i2c i2c_h<4>[ 59.209613] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000 <4>[ 59.224099] RDX: ffff8935bacac620 RSI: ffff8935bac9bf50 RDI: ffff8935bac9bf50 id snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c int340<4>[ 59.232365] RBP: ffffffff982d0050 R08: 0000000000000000 R09: 0000000000000000 <4>[ 59.246838] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 3_thermal int340x_thermal_zone cros_usbpd_notify pinctrl_sunrise<4>[ 59.255104] R13: ffffabbdc326bf10 R14: ffffabbdc326bf10 R15: ffff89354379b000 point int3400_thermal acpi_thermal_rel coreboot_table chromeos_p<4>[ 59.269580] FS: 00007f57c5231740(0000) GS:ffff8935bac80000(0000) knlGS:0000000000000000 store cros_kbd_led_backlight # [ 46.591491] CPU: 1 PID: 2043 <4>[ 59.285135] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 Comm: cat Tainted: G D W 5.10.218-cip49 #1 # [ 4<4>[ 59.298060] CR2: 00007f57c5210000 CR3: 0000000106cda003 CR4: 00000000003706e0 6.606649] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 59.312542] Call Trace: # [ 46.619965] RIP: 0010:refcount_warn_saturate+0x51/0x110 #<4>[ 59.321780] ? __warn+0x80/0x110 [ 46.632308] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 <4>[ 59.331896] ? refcount_warn_saturate+0xba/0x110 80 3d 88 cf f6 02 00 75 ee 48 c7 c7 e0 a9 22 98 c6 05 78 cf f6 0<4>[ 59.343579] ? report_bug+0x9e/0xc0 2 01 e8 15 4e c5 00 <0f> 0b c3 cc cc cc cc 80 3d 64 cf f6 02 00 <4>[ 59.353970] ? handle_bug+0x41/0x90 75 cb 48 c7 c7 08 aa 22 # [ 46.659803] RSP: 0018:ffffabbdc2a6<4>[ 59.364369] ? exc_invalid_op+0x14/0x70 be48 EFLAGS: 00010286 # [ 46.672145] RAX: 0000000000000000 RB<4>[ 59.375159] ? asm_exc_invalid_op+0x12/0x20 X: 000000000000002b RCX: 0000000000000000 # [ 46.686628] RDX:<4>[ 59.386339] ? refcount_warn_saturate+0xba/0x110 ffff8935bacac620 RSI: ffff8935bac9bf50 RDI: ffff8935bac9bf50 #<4>[ 59.398001] __refcount_sub_and_test.constprop.0+0x3c/0x50 [ 46.701109] RBP: ffffffff982d033d R08: 0000000000000000 R09:<4>[ 59.410636] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x76 0000000000000000 # [ 46.715591] R10: 00000000ffffe000 R11: 3<4>[ 59.423465] direct_entry.cold+0x2c/0x38 fffffffffffffff R12: 0000000000000016 # [ 46.730074] R13: fff<4>[ 59.434352] full_proxy_write+0x53/0x80 fabbdc2a6bf10 R14: ffffabbdc2a6bf10 R15: ffff893540e97000 # [ <4>[ 59.445141] vfs_write+0xe7/0x3b0 46.744552] FS: 00007f178d1b5740(0000) GS:ffff8935bac80000(0000<4>[ 59.455348] ksys_write+0x68/0xf0 <4>[ 59.465571] do_syscall_64+0x30/0x40 ) knlGS:0000000000000000 # [ 46.760099] CS: 0010 DS: 0000 ES<4>[ 59.469851] entry_SYSCALL_64_after_hwframe+0x67/0xd1 : 0000 CR0: 0000000080050033 # [ 46.768656] CR2: 00007f178d19<4>[ 59.481997] RIP: 0033:0x7f57c532c240 4000 CR3: 0000000102ba0005 CR4: 00000000003706e0 # [ 46.77692<4>[ 59.492493] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89 3] Call Trace: # [ 46.779950] ? __warn+0x80/0x110 # [ 46.<4>[ 59.519988] RSP: 002b:00007fff1f6e7e58 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 790058] ? refcount_warn_saturate+0x51/0x110 # [ 46.797450] <4>[ 59.534951] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f57c532c240 ? report_bug+0x9e/0xc0 # [ 46.807854] ? handle_bug+0x41/0x90<4>[ 59.549433] RDX: 0000000000000020 RSI: 00007f57c5210000 RDI: 0000000000000001 # [ 46.815049] ? exc_invalid_op+0x14/0x70 # [ 46.825839]<4>[ 59.563914] RBP: 0000000000000020 R08: 00000000ffffffff R09: 0000000000000000 ? asm_exc_invalid_op+0x12/0x20 # [ 46.837020] ? refcount_w<4>[ 59.578394] R10: 00007f57c524d4d0 R11: 0000000000000202 R12: 00007f57c5210000 arn_saturate+0x51/0x110 # [ 46.848680] ? refcount_warn_satur<4>[ 59.592873] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 ate+0x51/0x110 # [ 46.860347] lkdtm_REFCOUNT_INC_OVERFLOW+0x<4>[ 59.607359] irq event stamp: 0 70/0x98 # [ 46.872207] direct_entry.cold+0x2c/0x38 # [ 46<4>[ 59.617271] hardirqs last enabled at (0): [<0000000000000000>] 0x0 .883094] full_proxy_write+0x53/0x80 # [ 46.893884] vfs_writ<4>[ 59.630781] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 e+0xe7/0x3b0 # [ 46.904099] ksys_write+0x68/0xf0 # [ 46.9<4>[ 59.646427] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 14305] do_syscall_64+0x30/0x40 # [ 46.924799] entry_SYSCALL<4>[ 59.662073] softirqs last disabled at (0): [<0000000000000000>] 0x0 _64_after_hwframe+0x67/0xd1 # [ 46.936947] RIP: 0033:0x7f178d<4>[ 59.675581] ---[ end trace dd4facc418e792bd ]--- 2b0240 # [ 46.947446] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 <6>[ 59.687246] lkdtm: Saturation detected: still saturated 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 # [ 46.974937] RSP: 002b:00007fff7e0849a8 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 # [ 46.989903] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f178d2b0240 # [ 47.004383] RDX: 0000000000000016 RSI: 00007f178d194000 RDI: 0000000000000001 # [ 47.018861] RBP: 0000000000000016 R08: 00000000ffffffff R09: 0000000000000000 # [ 47.033341] R10: 00007f178d1d14d0 R11: 0000000000000202 R12: 00007f178d194000 # [ 47.047821] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 # [ 47.062310] irq event stamp: 0 # [ 47.072219] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 47.085728] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 47.101373] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 47.117020] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 47.124316] ---[ end trace dd4facc418e792ae ]--- # [ 47.135975] 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 # [ 47.250665] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW # [ 47.260215] lkdtm: attempting g<6>[ 59.832060] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED <6>[ 59.844296] lkdtm: attempting bad refcount_sub_and_test() from saturated ood refcount_add() without overflow # [ 47.273626] lkdtm: att<4>[ 59.852105] ------------[ cut here ]------------ empting bad refcount_add() overflow # [ 47.286165] ----------<4>[ 59.863767] refcount_t: underflow; use-after-free. --[ cut here ]------------ # [ 47.291626] refcount_t: saturat<4>[ 59.875666] WARNING: CPU: 3 PID: 2595 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 ed; leaking memory. # [ 47.303513] WARNING: CPU: 1 PID: 2076 <4>[ 59.891598] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel cros_ec_sysfs cros_usbpd_logger cros_ec_debugfs cros_ec_chardev cros_usbpd_charger cros_ec_lightbar cros_ec_sensorhub iTCO_wdt intel_pmc_bxt intel_pmc_core_pltdrv bluetooth intel_pmc_core uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 processor_thermal_device gsmi iwlmvm ecdh_generic x86_pkg_temp_thermal cros_ec_dev watchdog iwlwifi snd_soc_da7219 idma64 ecc videobuf2_common intel_soc_dts_iosf snd_soc_max98927 elan_i2c i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c int3403_thermal int340x_thermal_zone cros_usbpd_notify pinctrl_sunrisepoint int3400_thermal acpi_thermal_rel coreboot_table chromeos_pstore cros_kbd_led_backlight <4>[ 59.980206] CPU: 3 PID: 2595 Comm: cat Tainted: G D W 5.10.218-cip49 #1 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 47<4>[ 59.989163] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 60.002467] RIP: 0010:refcount_warn_saturate+0xba/0x110 <4>[ 60.008634] Code: 02 01 e8 cf 4d c5 00 0f 0b c3 cc cc cc cc 80 3d 1d cf f6 02 00 75 85 48 c7 c7 38 aa 22 98 c6 05 0d cf f6 02 01 e8 ac 4d c5 00 <0f> 0b c3 cc cc cc cc 80 3d f8 ce f6 02 00 0f 85 5e ff ff ff 48 c7 <4>[ 60.029938] RSP: 0018:ffffabbdc32dbe40 EFLAGS: 00010286 <4>[ 60.036097] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000 <4>[ 60.044363] RDX: ffff8935badac620 RSI: ffff8935bad9bf50 RDI: ffff8935bad9bf50 <4>[ 60.052631] RBP: ffffffff982d0070 R08: 0000000000000000 R09: 0000000000000000 <4>[ 60.060897] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 <4>[ 60.069163] R13: ffffabbdc32dbf10 R14: ffffabbdc32dbf10 R15: ffff89354625e000 <4>[ 60.077428] FS: 00007f2f5d729740(0000) GS:ffff8935bad80000(0000) knlGS:0000000000000000 <4>[ 60.086762] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 60.093474] CR2: 00007f2f5d708000 CR3: 0000000107c7a005 CR4: 00000000003706e0 <4>[ 60.101739] Call Trace: <4>[ 60.104765] ? __warn+0x80/0x110 .319419] Modules linked in: fuse ip_tables cros_ec_lid_angle cro<4>[ 60.108688] ? refcount_warn_saturate+0xba/0x110 <4>[ 60.120346] ? report_bug+0x9e/0xc0 <4>[ 60.124582] ? handle_bug+0x41/0x90 s_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer <4>[ 60.128778] ? exc_invalid_op+0x14/0x70 kfifo_buf industrialio btusb btrtl btbcm btintel cros_ec_sysfs c<4>[ 60.139564] ? asm_exc_invalid_op+0x12/0x20 ros_usbpd_logger cros_ec_debugfs cros_ec_chardev cros_usbpd_char<4>[ 60.150748] ? refcount_warn_saturate+0xba/0x110 <4>[ 60.162409] __refcount_sub_and_test.constprop.0+0x3c/0x50 <4>[ 60.168860] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x76 <4>[ 60.175500] direct_entry.cold+0x2c/0x38 <4>[ 60.180199] full_proxy_write+0x53/0x80 <4>[ 60.184806] vfs_write+0xe7/0x3b0 <4>[ 60.188830] ksys_write+0x68/0xf0 <4>[ 60.192848] do_syscall_64+0x30/0x40 <4>[ 60.197157] entry_SYSCALL_64_after_hwframe+0x67/0xd1 <4>[ 60.203117] RIP: 0033:0x7f2f5d824240 <4>[ 60.207401] 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>[ 60.228703] RSP: 002b:00007ffc8da1fcc8 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 <4>[ 60.237455] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f2f5d824240 <4>[ 60.245719] RDX: 0000000000000020 RSI: 00007f2f5d708000 RDI: 0000000000000001 <4>[ 60.253984] RBP: 0000000000000020 R08: 00000000ffffffff R09: 0000000000000000 <4>[ 60.262250] R10: 00007f2f5d7454d0 R11: 0000000000000202 R12: 00007f2f5d708000 <4>[ 60.270516] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 <4>[ 60.278785] irq event stamp: 0 ger cros_ec_lightbar cros_ec_sensorhub iTCO_wdt intel_pmc_bxt in<4>[ 60.282513] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 60.296016] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 60.305471] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 60.314901] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 60.322193] ---[ end trace dd4facc418e792be ]--- <6>[ 60.327647] lkdtm: Saturation detected: still saturated tel_pmc_core_pltdrv bluetooth intel_pmc_core uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 processor_thermal_device gsmi iwlmvm ecdh_generic x86_pkg_temp_thermal cros_ec_dev watchdog iwlwifi snd_soc_da7219 idma64 ecc videobuf2_common intel_soc_dts_iosf snd_soc_max98927 elan_i2c i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c int3403_thermal int340x_thermal_zone cros_usbpd_notify pinctrl_sunrisepoint int3400_thermal acpi_thermal_rel coreboot_table chromeos_pstore cros_kbd_led_backlight # [ 47.408003] CPU: 1 PID: 2076 Comm: cat Tainted: G D W 5.10.218-cip49 #1 # [ 47.423162] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 47.436478] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 47.448819] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 88 cf f6 02 00 75 ee 48 c7 c7 e0 a9 22 98 c6 05 78 cf f6 02 01 e8 15 4e c5 00 <0f> 0b c3 cc cc cc cc 80 3d 64 cf f6 02 00 75 cb 48 c7 c7 08 aa 22 # [ 47.476338] RSP: 0018:ffffabbdc2b0be48 EFLAGS: 00010286 # [ 47.488677] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000 # [ 47.503134] RDX: ffff8935bacac620 RSI: ffff8935bac9bf50 RDI: ffff8935bac9bf50 # [ 47.517635] RBP: ffffffff982d0353 R08: 0000000000000000 R09: 0000000000000000 # [ 47.532115] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 47.546610] R13: ffffabbdc2b0bf10 R14: ffffabbdc2b0bf10 R15: ffff8935424ea000 # [ 47.561097] FS: 00007f3482385740(0000) GS:ffff8935bac80000(0000) knlGS:0000000000000000 # [ 47.576646] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 47.589584] CR2: 00007f3482364000 CR3: 0000000107ecc003 CR4: 00000000003706e0 # [ 47.604063] Call Trace: # [ 47.613304] ? __warn+0x80/0x110 # [ 47.623411] ? refcount_warn_saturate+0x51/0x110 # [ 47.635078] ? report_bug+0x9e/0xc0 # [ 47.645482] ? handle_bug+0x41/0x90 # [ 47.655882] ? exc_invalid_op+0x14/0x70 # [ 47.666674] ? asm_exc_invalid_op+0x12/0x20 # [ 47.677873] ? refcount_warn_saturate+0x51/0x110 # [ 47.689520] ? refcount_warn_saturate+0x51/0x110 # [ 47.701181] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa7 # [ 47.713040] direct_entry.cold+0x2c/0x38 # [ 47.723927] full_proxy_write+0x53/0x80 # [ 47.734718] vfs_write+0xe7/0x3b0 # [ 47.744925] ksys_write+0x68/0xf0 # [ 47.755133] do_syscall_64+0x30/0x40 # [ 47.765634] entry_SYSCALL_64_after_hwframe+0x67/0xd1 # [ 47.777781] RIP: 0033:0x7f3482480240 # [ 47.788278] 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 # [ 47.815770] RSP: 002b:00007fff4c399538 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 # [ 47.830737] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f3482480240 # [ 47.845220] RDX: 0000000000000016 RSI: 00007f3482364000 RDI: 0000000000000001 # [ 47.859696] RBP: 0000000000000016 R08: 00000000ffffffff R09: 0000000000000000 # [ 47.867962] R10: 00007f34823a14d0 R11: 0000000000000202 R12: 00007f3482364000 # [ 47.882442] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 # [ 47.896925] irq event stamp: 0 # [ 47.906841] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 47.914160] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 47.929798] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 47.939228] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 47.952730] ---[ end trace dd4facc418e792af ]--- # [ 47.958178] 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 # [ 48.095899] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW # [ 48.108148] lkdtm: attempting bad refcount_inc_not_zero() overflow # [ 48.121593] ------------[ c<6>[ 60.728650] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO <6>[ 60.737149] lkdtm: attempting good copy_to_user of correct size ut here ]------------ # [ 48.133243] refcount_t: saturated; l<6>[ 60.744085] lkdtm: attempting bad copy_to_user of too large size eaking memory. # [ 48.145130] WARNING: CPU: 1 PID: 2109 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 48.161039] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel cros_ec_sysfs cros_usbpd_logger cros_ec_debugfs cros_ec_chardev cros_usbpd_charger cros_ec_lightbar cros_ec_sensorhub iTCO_wdt intel_pmc_bxt intel_pmc_core_pltdrv bluetooth intel_pmc_core uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 processor_thermal_device gsmi iwlmvm ecdh_generic x86_pkg_temp_thermal cros_ec_dev watchdog iwlwifi snd_soc_da7219 idma64 ecc videobuf2_common intel_soc_dts_iosf snd_soc_max98927 elan_i2c i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c int3403_thermal int340x_thermal_zone cros_usbpd_notify pinctrl_sunrisepoint int3400_thermal acpi_thermal_rel coreboot_table chromeos_pstore cros_kbd_led_backlight # [ 48.249636] CPU: 1 PID: 2109 Comm: cat Tainted: G D W 5.10.218-cip49 #1 # [ 48.264796] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 48.278110] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 48.290454] Code: 02 01 e8 f2 4d c5 00 0f 0b c3 cc cc cc cc 80 3d 43 cf f6 02 00 75 a8 48 c7 c7 e0 a9 22 98 c6 05 33 cf f6 02 01 e8 cf 4d c5 00 <0f> 0b <6>[ 60.884396] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM c3 cc cc cc cc 80 3d 1d cf f6 02 00 75 85 48 c7 c7 38 aa 22 # [<6>[ 60.895071] lkdtm: attempting good copy_from_user of correct size 48.317975] RSP: 0018:ffffabbdc2babe38 EFLAGS: 00010282 # [ <6>[ 60.908395] lkdtm: attempting bad copy_from_user of too large size 48.330314] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 # [ 48.344774] RDX: ffff8935bacac620 RSI: ffff8935bac9bf50 RDI: ffff8935bac9bf50 # [ 48.359253] RBP: ffffffff982cff90 R08: 0000000000000000 R09: 0000000000000000 # [ 48.373733] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 48.388215] R13: ffffabbdc2babf10 R14: ffffabbdc2babf10 R15: ffff893546c75000 # [ 48.402698] FS: 00007fa4a36a2740(0000) GS:ffff8935bac80000(0000) knlGS:0000000000000000 # [ 48.418246] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 48.431175] CR2: 00007fa4a3681000 CR3: 00000001064f4004 CR4: 00000000003706e0 # [ 48.445655] Call Trace: # [ 48.448699] ? __warn+0x80/0x110 # [ 48.458782] ? refcount_warn_saturate+0x97/0x110 # [ 48.470448] ? report_bug+0x9e/0xc0 # [ 48.480851] ? handle_bug+0x41/0x90 # [ 48.491252] ? exc_invalid_op+0x14/0x70 # [ 48.502042] ? asm_exc_invalid_op+0x12/0x20 # [ 48.513242] ? refcount_warn_saturate+0x97/0x110 # [ 48.524887] ? refcount_warn_saturate+0x97/0x110 # [ 48.536554] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 48.549190] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x76 # [ 48.561920] direct_entry.cold+0x2c/0x38 # [ 48.572809] full_proxy_write+0x53/0x80 # [ 48.583611] vfs_write+0xe7/0x3b0 # [ <6>[ 61.047641] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO 48.593825] ksys_write+0x68/0xf0 # [ 48.604033] do_syscall<6>[ 61.059907] lkdtm: attempting good copy_to_user inside whitelist _64+0x30/0x40 # [ 48.614529] entry_SYSCALL_64_after_hwframe+<6>[ 61.073187] lkdtm: attempting bad copy_to_user outside whitelist 0x67/0xd1 # [ 48.626679] RIP: 0033:0x7fa4a379d240 # [ 48.637177] 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 # [ 48.664672] RSP: 002b:00007ffce2f1fc58 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 # [ 48.679640] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fa4a379d240 # [ 48.694121] RDX: 000000000000001f RSI: 00007fa4a3681000 RDI: 0000000000000001 # [ 48.708615] RBP: 000000000000001f R08: 00000000ffffffff R09: 0000000000000000 # [ 48.716911] R10: 00007fa4a36be4d0 R11: 0000000000000202 R12: 00007fa4a3681000 # [ 48.731389] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 # [ 48.745888] irq event stamp: 0 # [ 48.755810] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 48.769319] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 48.778749] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 48.794390] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 48.801708] ---[ end trace dd4facc418e792b0 ]--- # [ 48.813366] lkdtm: Overflow detected: saturated # REFCOUNT_INC_NOT_ZERO_OVERFLOW: saw 'call trace:': ok ok 44 selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh # selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh # [ 48.956310] lkdtm: Performing<6>[ 61.225254] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM <6>[ 61.237071] lkdtm: attempting good copy_from_user inside whitelist direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW # [ 48.964987] l<6>[ 61.244287] lkdtm: attempting bad copy_from_user outside whitelist kdtm: attempting bad refcount_add_not_zero() overflow # [ 48.972192] ------------[ cut here ]------------ # [ 48.977671] refcount_t: saturated; leaking memory. # [ 48.983345] WARNING: CPU: 3 PID: 2142 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 48.993071] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel cros_ec_sysfs cros_usbpd_logger cros_ec_debugfs cros_ec_chardev cros_usbpd_charger cros_ec_lightbar cros_ec_sensorhub iTCO_wdt intel_pmc_bxt intel_pmc_core_pltdrv bluetooth intel_pmc_core uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 processor_thermal_device gsmi iwlmvm ecdh_generic x86_pkg_temp_thermal cros_ec_dev watchdog iwlwifi snd_soc_da7219 idma64 ecc videobuf2_common intel_soc_dts_iosf snd_soc_max98927 elan_i2c i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c int3403_thermal int340x_thermal_zone cros_usbpd_notify pinctrl_sunrisepoint int3400_thermal acpi_thermal_rel coreboot_table chromeos_pstore cros_kbd_led_backlight # [ 49.081646] CPU: 3 PID: 2142 Comm: cat Tainted: G D W 5.10.218-cip49 #1 # [ 49.090626] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 49.097720] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 49.110069] Code: 02 01 e8 f2 4d c5 00 0f 0b c3 cc cc cc cc 80 3d<6>[ 61.392733] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO <6>[ 61.401713] lkdtm: good_stack: ffffabbdc36bbe20-ffffabbdc36bbe40 <6>[ 61.408720] lkdtm: bad_stack : ffffabbdc36bbda8-ffffabbdc36bbdc8 <6>[ 61.415780] lkdtm: attempting good copy_to_user of local stack 43 cf f6 02 00 75 a8 48 c7 c7 e0 a9 22 98 c6 05 33 cf f6 02 01 <6>[ 61.422601] lkdtm: attempting bad copy_to_user of distant stack e8 cf 4d c5 00 <0f> 0b c3 cc cc cc cc 80 3d 1d cf f6 02 00 75 85 48 c7 c7 38 aa 22 # [ 49.131372] RSP: 0018:ffffabbdc2c3be38 EFLAGS: 00010282 # [ 49.143712] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 # [ 49.151999] RDX: ffff8935badac620 RSI: ffff8935bad9bf50 RDI: ffff8935bad9bf50 # [ 49.160266] RBP: ffffffff982cffb0 R08: 0000000000000000 R09: 0000000000000000 # [ 49.174737] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 49.183000] R13: ffffabbdc2c3bf10 R14: ffffabbdc2c3bf10 R15: ffff893546dee000 # [ 49.191264] FS: 00007f503045b740(0000) GS:ffff8935bad80000(0000) knlGS:0000000000000000 # [ 49.200598] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 49.207309] CR2: 00007f503043a000 CR3: 0000000107fa2004 CR4: 00000000003706e0 # [ 49.215578] Call Trace: # [ 49.224819] ? __warn+0x80/0x110 # [ 49.228741] ? refcount_warn_saturate+0x97/0x110 # [ 49.240400] ? report_bug+0x9e/0xc0 # [ 49.244588] ? handle_bug+0x41/0x90 # [ 49.248780] ? exc_invalid_op+0x14/0x70 # [ 49.253354] ? asm_exc_invalid_op+0x12/0x20 # [ 49.258320] ? refcount_warn_saturate+0x97/0x110 # [ 49.263798] ? refcount_warn_saturate+0x97/0x110 # [ 49.269247] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 49.275668] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x76 # [ 49.282184] direct_entry.cold+0x2c/0x38 # [<6>[ 61.568300] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM <6>[ 61.579886] lkdtm: good_stack: ffffabbdc374be20-ffffabbdc374be40 49.286858] full_proxy_write+0x53/0x80 # [ 49.291459] vfs<6>[ 61.586906] lkdtm: bad_stack : ffffabbdc374bda8-ffffabbdc374bdc8 _write+0xe7/0x3b0 # [ 49.295476] ksys_write+0x68/0xf0 # [ <6>[ 61.600122] lkdtm: attempting good copy_from_user of local stack <6>[ 61.613334] lkdtm: attempting bad copy_from_user of distant stack 49.299469] do_syscall_64+0x30/0x40 # [ 49.303777] entry_SYSCALL_64_after_hwframe+0x67/0xd1 # [ 49.309711] RIP: 0033:0x7f5030556240 # [ 49.313993] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89 # [ 49.335270] RSP: 002b:00007ffe5e3ef068 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 # [ 49.344021] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f5030556240 # [ 49.352284] RDX: 000000000000001f RSI: 00007f503043a000 RDI: 0000000000000001 # [ 49.360565] RBP: 000000000000001f R08: 00000000ffffffff R09: 0000000000000000 # [ 49.368837] R10: 00007f50304774d0 R11: 0000000000000202 R12: 00007f503043a000 # [ 49.383314] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 # [ 49.397798] irq event stamp: 0 # [ 49.401529] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 49.408823] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 49.418253] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 49.427682] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 49.434975] ---[ end trace dd4facc418e792b1 ]--- # [ 49.440422] lkdtm: Overflow detected: s<6>[ 61.747872] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND aturated # REFCOUNT_ADD_NOT_ZERO_OVERFLOW: saw 'call trace:': o<6>[ 61.758062] lkdtm: good_stack: ffffabbdc37e3e20-ffffabbdc37e3e40 k ok 45 selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh # <6>[ 61.771295] lkdtm: bad_stack : ffffabbdc37e3ff8-ffffabbdc37e4018 selftests: lkdtm: REFCOUNT_DEC_ZERO.sh # [ 49.584149] lkdtm: <6>[ 61.784557] lkdtm: attempting good copy_to_user of local stack Performing direct entry REFCOUNT_DEC_ZERO # [ 49.595546] lkdt<6>[ 61.797523] lkdtm: attempting bad copy_to_user of distant stack m: attempting good refcount_dec() # [ 49.607307] lkdtm: attem<4>[ 61.810643] lkdtm: copy_to_user failed, but lacked Oops pting bad refcount_dec() to zero # [ 49.619744] ------------[ cut here ]------------ # [ 49.625193] refcount_t: decrement hit 0; leaking memory. # [ 49.637659] WARNING: CPU: 1 PID: 2175 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 49.653582] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel cros_ec_sysfs cros_usbpd_logger cros_ec_debugfs cros_ec_chardev cros_usbpd_charger cros_ec_lightbar cros_ec_sensorhub iTCO_wdt intel_pmc_bxt intel_pmc_core_pltdrv bluetooth intel_pmc_core uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 processor_thermal_device gsmi iwlmvm ecdh_generic x86_pkg_temp_thermal cros_ec_dev watchdog iwlwifi snd_soc_da7219 idma64 ecc videobuf2_common intel_soc_dts_iosf snd_soc_max98927 elan_i2c i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c int3403_thermal int340x_thermal_zone cros_usbpd_notify pinctrl_sunrisepoint int3400_thermal acpi_thermal_rel coreboot_table chromeos_pstore cros_kbd_led_backlight # [ 49.742164] CPU: 1 PID: 2175 Comm: cat Tainted: G D W 5.10.218-cip49 #1 # [ 49.757327] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 49.770641] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 49.782984] Code: 90 aa 22 98 c6 05 e4 ce f6 02 01 e8 85 4d c5 00 0f 0b c3 cc cc cc cc 48 c7 c7 60 aa 22 98 c6 05 cb ce f6 02 01 e8 6b 4d c5 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 49.804264] RSP: 0018:ffffabbdc2cbbe48 EFLAGS: 00010286 # [ 49.816651] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000 # [ 49.831128] RDX: ffff8935bacac620 RS<6>[ 61.987446] lkdtm: Performing direct entry USERCOPY_KERNEL <6>[ 61.997357] lkdtm: attempting good copy_to_user from kernel rodata: ffffffff97e40b70 I: ffff8935bac9bf50 RDI: ffff8935bac9bf50 # [ 49.839418] RBP:<6>[ 62.006316] lkdtm: attempting bad copy_to_user from kernel text: ffffffff956e41c0 <3>[ 62.021173] lkdtm: FAIL: survived bad copy_to_user() ffffffff982d0369 R08: 0000000000000000 R09: 0000000000000000 # [ 49.853895] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 49.864684] R13: ffffabbdc2cbbf10 R14: ffffabbdc2cbbf10 R15: ffff893544cd2000 # [ 49.872977] FS: 00007f186e3c3740(0000) GS:ffff8935bac80000(0000) knlGS:0000000000000000 # [ 49.887937] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 49.894678] CR2: 00007f186e3a2000 CR3: 00000001075bc005 CR4: 00000000003706e0 # [ 49.902948] Call Trace: # [ 49.912190] ? __warn+0x80/0x110 # [ 49.922298] ? refcount_warn_saturate+0xfb/0x110 # [ 49.933962] ? report_bug+0x9e/0xc0 # [ 49.944365] ? handle_bug+0x41/0x90 # [ 49.954765] ? exc_invalid_op+0x14/0x70 # [ 49.965553] ? asm_exc_invalid_op+0x12/0x20 # [ 49.976734] ? refcount_warn_saturate+0xfb/0x110 # [ 49.988396] ? refcount_warn_saturate+0xfb/0x110 # [ 50.000062] lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xbd # [ 50.011533] direct_entry.cold+0x2c/0x38 # [ 50.022422] full_proxy_write+0x53/0x80 # [ 50.033209] vfs_write+0xe7/0x3b0 # [ 50.043415] ksys_write+0x68/0xf0 # [ 50.053624] do_syscall_64+0x30/0x40 # [ 50.064123] entry_SYSCALL_64_after_hwframe+0x67/0xd1 # [ 50.076273] RIP: 0033:0x7f186e4be240 # [ 50.086774] 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 <6>[ 62.169357] lkdtm: Performing direct entry STACKLEAK_ERASING 28 48 89 # [ 50.114266] RSP: 002b:00007ffe2d159ae8 EFLAGS: 00<6>[ 62.176666] lkdtm: checking unused part of the thread stack (15928 bytes)... 000202 ORIG_RAX: 0000000000000001 # [ 50.129232] RAX: fffffff<3>[ 62.191101] lkdtm: FAIL: the erased part is not found (checked 15928 bytes) fffffffda RBX: 0000000000000012 RCX: 00007f186e4be240 # [ 50.<3>[ 62.205397] lkdtm: FAIL: the thread stack is NOT properly erased 143739] RDX: 0000000000000012 RSI: 00007f186e3a2000 RDI: 0000000<4>[ 62.218614] CPU: 0 PID: 2971 Comm: cat Tainted: G D W 5.10.218-cip49 #1 <4>[ 62.233736] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 62.240832] Call Trace: <4>[ 62.243854] dump_stack+0x77/0x9b <4>[ 62.247849] lkdtm_STACKLEAK_ERASING+0x116/0x144 <4>[ 62.253295] direct_entry.cold+0x2c/0x38 <4>[ 62.257957] full_proxy_write+0x53/0x80 <4>[ 62.262535] vfs_write+0xe7/0x3b0 <4>[ 62.266523] ksys_write+0x68/0xf0 <4>[ 62.270512] do_syscall_64+0x30/0x40 <4>[ 62.274783] entry_SYSCALL_64_after_hwframe+0x67/0xd1 <4>[ 62.280714] RIP: 0033:0x7fab54aa0240 <4>[ 62.284994] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89 <4>[ 62.306269] RSP: 002b:00007fffb3f8bcc8 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 <4>[ 62.315015] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fab54aa0240 <4>[ 62.323275] RDX: 0000000000000012 RSI: 00007fab54984000 RDI: 0000000000000001 <4>[ 62.331537] RBP: 0000000000000012 R08: 00000000ffffffff R09: 0000000000000000 <4>[ 62.339798] R10: 00007fab549c14d0 R11: 0000000000000202 R12: 00007fab54984000 <4>[ 62.348059] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 000000001 # [ 50.158216] RBP: 0000000000000012 R08: 00000000ffffffff R09: 0000000000000000 # [ 50.172672] R10: 00007f186e3df4d0 R11: 0000000000000202 R12: 00007f186e3a2000 # [ 50.180938] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 # [ 50.195415] irq event stamp: 0 # [ 50.205328] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 50.212629] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 50.228267] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 50.237698] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 50.251199] ---[ end trace dd4facc418e792b2 ]--- # [ 50.256650] 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 # [ 50.422871] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE # [ 50.430235] lkdtm: attempting bad refcount_dec() below zero # [ 50.436783] ------------[ cut here ]------------ # [ 50.442245] refcount_t: decrement hit 0; leaking memory. # [ 50.448523] WARNING: CPU: 2 PID: 2211 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 50.458258] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel cros_ec_sysfs cros_usbpd_logger cros_ec_debugfs cros_ec_chardev cros_usbpd_charger cros_ec_lightbar cros_ec_sensorhub iTCO_wdt intel_pmc_bxt intel_pmc_core_pltdrv bluetooth intel_pmc_core uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4<6>[ 62.514807] lkdtm: Performing direct entry CFI_FORWARD_PROTO <6>[ 62.524681] lkdtm: Calling matched prototype ... <6>[ 62.530162] lkdtm: Calling mismatched prototype ... <6>[ 62.535933] lkdtm: Fail: survived mismatched prototype function call! l2 processor_thermal_device gsmi iwlmvm ecdh_generic x86_pkg_temp_thermal cros_ec_dev watchdog iwlwifi snd_soc_da7219 idma64 ecc videobuf2_common intel_soc_dts_iosf snd_soc_max98927 elan_i2c i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c int3403_thermal int340x_thermal_zone cros_usbpd_notify pinctrl_sunrisepoint int3400_thermal acpi_thermal_rel coreboot_table chromeos_pstore cros_kbd_led_backlight # [ 50.546882] CPU: 2 PID: 2211 Comm: cat Tainted: G D W 5.10.218-cip49 #1 # [ 50.555857] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 50.562982] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 50.569111] Code: 90 aa 22 98 c6 05 e4 ce f6 02 01 e8 85 4d c5 00 0f 0b c3 cc cc cc cc 48 c7 c7 60 aa 22 98 c6 05 cb ce f6 02 01 e8 6b 4d c5 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 50.590413] RSP: 0018:ffffabbdc2d23e48 EFLAGS: 00010286 # [ 50.596543] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000 # [ 50.604809] RDX: ffff8935bad2c620 RSI: ffff8935bad1bf50 RDI: ffff8935bad1bf50 # [ 50.613075] RBP: ffffffff982d037b R08: 0000000000000000 R09: 0000000000000000 # [ 50.621363] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 50.629631] R13: ffffabbdc2d23f10 R14: ffffabbdc2d23f10 R15: ffff8935460b1000 # [ 50.637896] FS: 00007f2b8efa0740(0000) GS:ffff8935bad00000(0000) knlGS:0000000000000000 # [ 50.647228] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 50.653941] CR2: 00007f2b8ef7f000 CR3: 00000001063be006 CR4: 00000000003706e0 # [ 50.662206] Call Trace: # [ 50.665229] ? __warn+0x80/0x110 # [ 50.669151] ? refcount_warn_saturate+0xfb/0x110 # [ 50.680809] ? report_bug+0x9e/0xc0 # [ 50.685024] ? handle_bug+0x41/0x90 # [ 50.695417] ? exc_invalid_op+0x14/0x70 # [ 50.700019] ? asm_exc_invalid_op+0x12/0x20 # [ 50.711199] ? refcount_warn_saturate+0xfb/0x110 # [ 50.722859] ? refcount_warn_saturate+0xfb/0x110 # [ 50.728313] lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x61 # [ 50.733957] direct_entry.cold+0x2c/0x38 # [ 50.738629] full_proxy_write+0x53/0x80 # [ 50.743226] vfs_write+0xe7/0x3b0 # [ 50.747242] ksys_write+0x68/0xf0 # [ 50.751264] do_syscall_64+0x30/0x40 # [ 50.755565] entry_SYSCALL_64_after_hwframe+0x67/0xd1 # [ 50.761509] RIP: 0033:0x7f2b8f09b240 # [ 50.772024] 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 # [ 50.793315] RSP: 002b:00007ffe1015b848 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 # [ 50.808269] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f2b8f09b240 # [ 50.816533] RDX: 0000000000000016 RSI: 00007f2b8ef7f000 RDI: 0000000000000001 # [ 50.824796] RBP: 0000000000000016 R08: 00000000ffffffff R09: 0000000000000000 # [ 50.833059] R10: 00007f2b8efbc4d0 R11: 0000000000000202 R12: 00007f2b8ef7f000 # [ 50.841323] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 # [ 50.849593] irq event stamp: 0 # [ 50.853297] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 50.860591] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 50.870020] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 50.879448] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 50.886741] ---[ end trace dd4facc418e792b3 ]--- # [ 50.892189] 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 # [ 51.125653] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE # [ 51.136650] lkdtm: attempting bad refcount_dec_and_test() below zero # [ 51.150270] ------------[ cut here ]------------ # [ 51.161921] refcount_t: underflow; use-after-free. # [ 51.173789] WARNING: CPU: 1 PID: 2247 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 51.189714] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel cros_ec_sysfs cros_usbpd_logger cros_ec_debugfs cros_ec_chardev cros_usbpd_charger cros_ec_lightbar cros_ec_sensorhub iTCO_wdt intel_pmc_bxt intel_pmc_core_pltdrv bluetooth intel_pmc_core uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 processor_thermal_device gsmi iwlmvm ecdh_generic x86_pkg_temp_thermal cros_ec_dev watchdog iwlwifi snd_soc_da7219 idma64 ecc videobuf2_common intel_soc_dts_iosf snd_soc_max98927 elan_i2c i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c int3403_thermal int340x_thermal_zone cros_usbpd_notify pinctrl_sunrisepoint int3400_thermal acpi_thermal_rel coreboot_table chromeos_pstore cros_kbd_led_backlight # [ 51.278315] CPU: 1 PID: 2247 Comm: cat Tainted: G D W 5.10.218-cip49 #1 # [ 51.293450] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 51.306763] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 51.319105] Code: 02 01 e8 cf 4d c5 00 0f 0b c3 cc cc cc cc 80 3d 1d cf f6 02 00 75 85 48 c7 c7 38 aa 22 98 c6 05 0d cf f6 02 01 e8 ac 4d c5 00 <0f> 0b c3 cc cc cc cc 80 3d f8 ce f6 02 00 0f 85 5e ff ff ff 48 c7 # [ 51.346598] RSP: 0018:ffffabbdc2d73e40 EFLAGS: 00010286 # [ 51.358986] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000 # [ 51.367253] RDX: ffff8935bacac620 RSI: ffff8935bac9bf50 RDI: ffff8935bac9bf50 # [ 51.381728] RBP: ffffffff982cffd0 R08: 0000000000000000 R09: 0000000000000000 # [ 51.396207] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 51.410687] R13: ffffabbdc2d73f10 R14: ffffabbdc2d73f10 R15: ffff893542bbf000 # [ 51.425166] FS: 00007fe049803740(0000) GS:ffff8935bac80000(0000) knlGS:0000000000000000 # [ 51.440713] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 51.453641] CR2: 00007fe0497e2000 CR3: 0000000106caa001 CR4: 00000000003706e0 # [ 51.468121] Call Trace: # [ 51.477362] ? __warn+0x80/0x110 # [ 51.487468] ? refcount_warn_saturate+0xba/0x110 # [ 51.499132] ? report_bug+0x9e/0xc0 # [ 51.509535] ? handle_bug+0x41/0x90 # [ 51.519934] ? exc_invalid_op+0x14/0x70 # [ 51.530724] ? asm_exc_invalid_op+0x12/0x20 # [ 51.541906] ? refcount_warn_saturate+0xba/0x110 # [ 51.553583] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 51.566218] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x78 # [ 51.578951] direct_entry.cold+0x2c/0x38 # [ 51.589838] full_proxy_write+0x53/0x80 # [ 51.600644] vfs_write+0xe7/0x3b0 # [ 51.610850] ksys_write+0x68/0xf0 # [ 51.621057] do_syscall_64+0x30/0x40 # [ 51.631574] entry_SYSCALL_64_after_hwframe+0x67/0xd1 # [ 51.637509] RIP: 0033:0x7fe0498fe240 # [ 51.648009] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89 # [ 51.675504] RSP: 002b:00007ffff1b02d08 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 # [ 51.690470] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fe0498fe240 # [ 51.704948] RDX: 000000000000001f RSI: 00007fe0497e2000 RDI: 0000000000000001 # [ 51.713215] RBP: 000000000000001f R08: 00000000ffffffff R09: 0000000000000000 # [ 51.727689] R10: 00007fe04981f4d0 R11: 0000000000000202 R12: 00007fe0497e2000 # [ 51.742170] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 # [ 51.756671] irq event stamp: 0 # [ 51.766567] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 51.780081] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 51.795726] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 51.811372] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 51.824882] ---[ end trace dd4facc418e792b4 ]--- # [ 51.836544] 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 # [ 51.974195] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE # [ 51.986592] lkdtm: attempting bad refcount_sub_and_test() below zero # [ 52.000192] ------------[ cut here ]------------ # [ 52.011868] refcount_t: underflow; use-after-free. # [ 52.023744] WARNING: CPU: 0 PID: 2283 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 52.039739] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel cros_ec_sysfs cros_usbpd_logger cros_ec_debugfs cros_ec_chardev cros_usbpd_charger cros_ec_lightbar cros_ec_sensorhub iTCO_wdt intel_pmc_bxt intel_pmc_core_pltdrv bluetooth intel_pmc_core uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 processor_thermal_device gsmi iwlmvm ecdh_generic x86_pkg_temp_thermal cros_ec_dev watchdog iwlwifi snd_soc_da7219 idma64 ecc videobuf2_common intel_soc_dts_iosf snd_soc_max98927 elan_i2c i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c int3403_thermal int340x_thermal_zone cros_usbpd_notify pinctrl_sunrisepoint int3400_thermal acpi_thermal_rel coreboot_table chromeos_pstore cros_kbd_led_backlight # [ 52.128241] CPU: 0 PID: 2283 Comm: cat Tainted: G D W 5.10.218-cip49 #1 # [ 52.143443] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 52.156731] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 52.169123] Code: 02 01 e8 cf 4d c5 00 0f 0b c3 cc cc cc cc 80 3d 1d cf f6 02 00 75 85 48 c7 c7 38 aa 22 98 c6 05 0d cf f6 02 01 e8 ac 4d c5 00 <0f> 0b c3 cc cc cc cc 80 3d f8 ce f6 02 00 0f 85 5e ff ff ff 48 c7 # [ 52.196595] RSP: 0018:ffffabbdc2e23e40 EFLAGS: 00010286 # [ 52.208973] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000 # [ 52.223464] RDX: ffff8935bac2c620 RSI: ffff8935bac1bf50 RDI: ffff8935bac1bf50 # [ 52.237988] RBP: ffffffff982cfff0 R08: 0000000000000000 R09: 0000000000000000 # [ 52.252484] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 52.267026] R13: ffffabbdc2e23f10 R14: ffffabbdc2e23f10 R15: ffff89354621c000 # [ 52.281498] FS: 00007fb209c93740(0000) GS:ffff8935bac00000(0000) knlGS:0000000000000000 # [ 52.297103] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 52.310033] CR2: 00007fb209c72000 CR3: 0000000103798002 CR4: 00000000003706f0 # [ 52.324544] Call Trace: # [ 52.333797] ? __warn+0x80/0x110 # [ 52.343869] ? refcount_warn_saturate+0xba/0x110 # [ 52.355525] ? report_bug+0x9e/0xc0 # [ 52.365927] ? handle_bug+0x41/0x90 # [ 52.376325] ? exc_invalid_op+0x14/0x70 # [ 52.387147] ? asm_exc_invalid_op+0x12/0x20 # [ 52.398308] ? refcount_warn_saturate+0xba/0x110 # [ 52.410070] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 52.422670] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x7b # [ 52.435363] direct_entry.cold+0x2c/0x38 # [ 52.446277] full_proxy_write+0x53/0x80 # [ 52.457027] vfs_write+0xe7/0x3b0 # [ 52.467248] ksys_write+0x68/0xf0 # [ 52.477437] do_syscall_64+0x30/0x40 # [ 52.487961] entry_SYSCALL_64_after_hwframe+0x67/0xd1 # [ 52.500138] RIP: 0033:0x7fb209d8e240 # [ 52.510630] 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 # [ 52.538120] RSP: 002b:00007ffe360f36f8 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 # [ 52.553125] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fb209d8e240 # [ 52.567597] RDX: 000000000000001f RSI: 00007fb209c72000 RDI: 0000000000000001 # [ 52.582058] RBP: 000000000000001f R08: 00000000ffffffff R09: 0000000000000000 # [ 52.596525] R10: 00007fb209caf4d0 R11: 0000000000000202 R12: 00007fb209c72000 # [ 52.611029] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 # [ 52.625488] irq event stamp: 0 # [ 52.635406] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 52.648909] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 52.664546] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 52.680192] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 52.693686] ---[ end trace dd4facc418e792b5 ]--- # [ 52.705351] 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 # [ 52.856191] lkdtm: Performing direct entry REFCOUNT_INC_ZERO # [ 52.866492] lkdtm: attempting safe refcount_inc_not_zero() from zero # [ 52.880120] lkdtm: Good: zero detected # [ 52.890818] lkdtm: Correctly stayed at zero # [ 52.901997] lkdtm: attempting bad refcount_inc() from zero # [ 52.914613] ------------[ cut here ]------------ # [ 52.926299] refcount_t: addition on 0; use-after-free. # [ 52.938581] WARNING: CPU: 0 PID: 2316 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 # [ 52.954506] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel cros_ec_sysfs cros_usbpd_logger cros_ec_debugfs cros_ec_chardev cros_usbpd_charger cros_ec_lightbar cros_ec_sensorhub iTCO_wdt intel_pmc_bxt intel_pmc_core_pltdrv bluetooth intel_pmc_core uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 processor_thermal_device gsmi iwlmvm ecdh_generic x86_pkg_temp_thermal cros_ec_dev watchdog iwlwifi snd_soc_da7219 idma64 ecc videobuf2_common intel_soc_dts_iosf snd_soc_max98927 elan_i2c i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c int3403_thermal int340x_thermal_zone cros_usbpd_notify pinctrl_sunrisepoint int3400_thermal acpi_thermal_rel coreboot_table chromeos_pstore cros_kbd_led_backlight # [ 53.043113] CPU: 0 PID: 2316 Comm: cat Tainted: G D W 5.10.218-cip49 #1 # [ 53.058259] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 53.071644] RIP: 0010:refcount_warn_saturate+0x74/0x110 # [ 53.083916] Code: 02 01 e8 15 4e c5 00 0f 0b c3 cc cc cc cc 80 3d 64 cf f6 02 00 75 cb 48 c7 c7 08 aa 22 98 c6 05 54 cf f6 02 01 e8 f2 4d c5 00 <0f> 0b c3 cc cc cc cc 80 3d 43 cf f6 02 00 75 a8 48 c7 c7 e0 a9 22 # [ 53.111434] RSP: 0018:ffffabbdc2eb3e48 EFLAGS: 00010286 # [ 53.123770] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000 # [ 53.138238] RDX: ffff8935bac2c620 RSI: ffff8935bac1bf50 RDI: ffff8935bac1bf50 # [ 53.152726] RBP: ffffffff982d0391 R08: 0000000000000000 R09: 0000000000000000 # [ 53.167233] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 53.181710] R13: ffffabbdc2eb3f10 R14: ffffabbdc2eb3f10 R15: ffff893544803000 # [ 53.196220] FS: 00007fc89bf95740(0000) GS:ffff8935bac00000(0000) knlGS:0000000000000000 # [ 53.211761] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 53.224742] CR2: 00007fc89bf74000 CR3: 00000001072fc006 CR4: 00000000003706f0 # [ 53.239216] Call Trace: # [ 53.248505] ? __warn+0x80/0x110 # [ 53.258593] ? refcount_warn_saturate+0x74/0x110 # [ 53.270274] ? report_bug+0x9e/0xc0 # [ 53.280662] ? handle_bug+0x41/0x90 # [ 53.291089] ? exc_invalid_op+0x14/0x70 # [ 53.301855] ? asm_exc_invalid_op+0x12/0x20 # [ 53.313070] ? refcount_warn_saturate+0x74/0x110 # [ 53.324708] ? refcount_warn_saturate+0x74/0x110 # [ 53.336385] lkdtm_REFCOUNT_INC_ZERO+0x99/0xc1 # [ 53.347834] direct_entry.cold+0x2c/0x38 # [ 53.358775] full_proxy_write+0x53/0x80 # [ 53.369547] vfs_write+0xe7/0x3b0 # [ 53.379737] ksys_write+0x68/0xf0 # [ 53.389969] do_syscall_64+0x30/0x40 # [ 53.400450] entry_SYSCALL_64_after_hwframe+0x67/0xd1 # [ 53.412621] RIP: 0033:0x7fc89c090240 # [ 53.423111] 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 # [ 53.450626] RSP: 002b:00007fff38c86668 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 # [ 53.465595] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fc89c090240 # [ 53.480072] RDX: 0000000000000012 RSI: 00007fc89bf74000 RDI: 0000000000000001 # [ 53.494545] RBP: 0000000000000012 R08: 00000000ffffffff R09: 0000000000000000 # [ 53.509033] R10: 00007fc89bfb14d0 R11: 0000000000000202 R12: 00007fc89bf74000 # [ 53.523512] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 # [ 53.538013] irq event stamp: 0 # [ 53.547926] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 53.561444] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 53.577097] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 53.592743] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 53.606246] ---[ end trace dd4facc418e792b6 ]--- # [ 53.617898] 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 # [ 53.769702] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO # [ 53.778652] lkdtm: attempting safe refcount_add_not_zero() from zero # [ 53.792254] lkdtm: Good: zero detected # [ 53.802968] lkdtm: Correctly stayed at zero # [ 53.814169] lkdtm: attempting bad refcount_add() from zero # [ 53.826791] ------------[ cut here ]------------ # [ 53.838458] refcount_t: addition on 0; use-after-free. # [ 53.850707] WARNING: CPU: 0 PID: 2349 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 # [ 53.866662] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel cros_ec_sysfs cros_usbpd_logger cros_ec_debugfs cros_ec_chardev cros_usbpd_charger cros_ec_lightbar cros_ec_sensorhub iTCO_wdt intel_pmc_bxt intel_pmc_core_pltdrv bluetooth intel_pmc_core uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 processor_thermal_device gsmi iwlmvm ecdh_generic x86_pkg_temp_thermal cros_ec_dev watchdog iwlwifi snd_soc_da7219 idma64 ecc videobuf2_common intel_soc_dts_iosf snd_soc_max98927 elan_i2c i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c int3403_thermal int340x_thermal_zone cros_usbpd_notify pinctrl_sunrisepoint int3400_thermal acpi_thermal_rel coreboot_table chromeos_pstore cros_kbd_led_backlight # [ 53.955210] CPU: 0 PID: 2349 Comm: cat Tainted: G D W 5.10.218-cip49 #1 # [ 53.970429] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 53.983681] RIP: 0010:refcount_warn_saturate+0x74/0x110 # [ 53.996083] Code: 02 01 e8 15 4e c5 00 0f 0b c3 cc cc cc cc 80 3d 64 cf f6 02 00 75 cb 48 c7 c7 08 aa 22 98 c6 05 54 cf f6 02 01 e8 f2 4d c5 00 <0f> 0b c3 cc cc cc cc 80 3d 43 cf f6 02 00 75 a8 48 c7 c7 e0 a9 22 # [ 54.023560] RSP: 0018:ffffabbdc2f2be48 EFLAGS: 00010286 # [ 54.035877] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000 # [ 54.050361] RDX: ffff8935bac2c620 RSI: ffff8935bac1bf50 RDI: ffff8935bac1bf50 # [ 54.064835] RBP: ffffffff982d03a3 R08: 0000000000000000 R09: 0000000000000000 # [ 54.079339] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 54.093798] R13: ffffabbdc2f2bf10 R14: ffffabbdc2f2bf10 R15: ffff893542477000 # [ 54.108293] FS: 00007f57dbfd6740(0000) GS:ffff8935bac00000(0000) knlGS:0000000000000000 # [ 54.123823] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 54.136779] CR2: 00007f57dbfb5000 CR3: 00000001063c0002 CR4: 00000000003706f0 # [ 54.151241] Call Trace: # [ 54.160500] ? __warn+0x80/0x110 # [ 54.170592] ? refcount_warn_saturate+0x74/0x110 # [ 54.182269] ? report_bug+0x9e/0xc0 # [ 54.192665] ? handle_bug+0x41/0x90 # [ 54.203074] ? exc_invalid_op+0x14/0x70 # [ 54.213863] ? asm_exc_invalid_op+0x12/0x20 # [ 54.225046] ? refcount_warn_saturate+0x74/0x110 # [ 54.236705] ? refcount_warn_saturate+0x74/0x110 # [ 54.248406] lkdtm_REFCOUNT_ADD_ZERO+0x99/0xc1 # [ 54.259869] direct_entry.cold+0x2c/0x38 # [ 54.270779] full_proxy_write+0x53/0x80 # [ 54.281551] vfs_write+0xe7/0x3b0 # [ 54.291773] ksys_write+0x68/0xf0 # [ 54.301967] do_syscall_64+0x30/0x40 # [ 54.312488] entry_SYSCALL_64_after_hwframe+0x67/0xd1 # [ 54.324618] RIP: 0033:0x7f57dc0d1240 # [ 54.335122] 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 # [ 54.362612] RSP: 002b:00007ffc32944dd8 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 # [ 54.377588] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f57dc0d1240 # [ 54.392060] RDX: 0000000000000012 RSI: 00007f57dbfb5000 RDI: 0000000000000001 # [ 54.406563] RBP: 0000000000000012 R08: 00000000ffffffff R09: 0000000000000000 # [ 54.421031] R10: 00007f57dbff24d0 R11: 0000000000000202 R12: 00007f57dbfb5000 # [ 54.435545] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 # [ 54.450010] irq event stamp: 0 # [ 54.459953] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 54.473446] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 54.489100] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 54.504737] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 54.518267] ---[ end trace dd4facc418e792b7 ]--- # [ 54.529921] 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 # [ 54.717625] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED # [ 54.728531] lkdtm: attempting bad refcount_inc() from saturated # [ 54.741658] ------------[ cut here ]------------ # [ 54.753316] refcount_t: saturated; leaking memory. # [ 54.758992] WARNING: CPU: 1 PID: 2385 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 54.774891] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel cros_ec_sysfs cros_usbpd_logger cros_ec_debugfs cros_ec_chardev cros_usbpd_charger cros_ec_lightbar cros_ec_sensorhub iTCO_wdt intel_pmc_bxt intel_pmc_core_pltdrv bluetooth intel_pmc_core uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 processor_thermal_device gsmi iwlmvm ecdh_generic x86_pkg_temp_thermal cros_ec_dev watchdog iwlwifi snd_soc_da7219 idma64 ecc videobuf2_common intel_soc_dts_iosf snd_soc_max98927 elan_i2c i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c int3403_thermal int340x_thermal_zone cros_usbpd_notify pinctrl_sunrisepoint int3400_thermal acpi_thermal_rel coreboot_table chromeos_pstore cros_kbd_led_backlight # [ 54.863475] CPU: 1 PID: 2385 Comm: cat Tainted: G D W 5.10.218-cip49 #1 # [ 54.878636] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 54.891951] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 54.904292] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 88 cf f6 02 00 75 ee 48 c7 c7 e0 a9 22 98 c6 05 78 cf f6 02 01 e8 15 4e c5 00 <0f> 0b c3 cc cc cc cc 80 3d 64 cf f6 02 00 75 cb 48 c7 c7 08 aa 22 # [ 54.931790] RSP: 0018:ffffabbdc2fbbe48 EFLAGS: 00010286 # [ 54.944130] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000 # [ 54.958635] RDX: ffff8935bacac620 RSI: ffff8935bac9bf50 RDI: ffff8935bac9bf50 # [ 54.973112] RBP: ffffffff982d03b5 R08: 0000000000000000 R09: 0000000000000000 # [ 54.987588] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 55.002065] R13: ffffabbdc2fbbf10 R14: ffffabbdc2fbbf10 R15: ffff8935452ee000 # [ 55.016544] FS: 00007f1acdc81740(0000) GS:ffff8935bac80000(0000) knlGS:0000000000000000 # [ 55.032090] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 55.045015] CR2: 00007f1acdc60000 CR3: 00000001063be003 CR4: 00000000003706e0 # [ 55.059492] Call Trace: # [ 55.068733] ? __warn+0x80/0x110 # [ 55.078841] ? refcount_warn_saturate+0x51/0x110 # [ 55.090502] ? report_bug+0x9e/0xc0 # [ 55.100906] ? handle_bug+0x41/0x90 # [ 55.111304] ? exc_invalid_op+0x14/0x70 # [ 55.122093] ? asm_exc_invalid_op+0x12/0x20 # [ 55.133275] ? refcount_warn_saturate+0x51/0x110 # [ 55.144935] ? refcount_warn_saturate+0x51/0x110 # [ 55.156599] lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x64 # [ 55.168558] direct_entry.cold+0x2c/0x38 # [ 55.179448] full_proxy_write+0x53/0x80 # [ 55.190234] vfs_write+0xe7/0x3b0 # [ 55.200440] ksys_write+0x68/0xf0 # [ 55.210648] do_syscall_64+0x30/0x40 # [ 55.221146] entry_SYSCALL_64_after_hwframe+0x67/0xd1 # [ 55.233297] RIP: 0033:0x7f1acdd7c240 # [ 55.243794] 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 # [ 55.265074] RSP: 002b:00007fff6ac8b478 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 # [ 55.280034] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f1acdd7c240 # [ 55.288300] RDX: 0000000000000017 RSI: 00007f1acdc60000 RDI: 0000000000000001 # [ 55.302774] RBP: 0000000000000017 R08: 00000000ffffffff R09: 0000000000000000 # [ 55.311039] R10: 00007f1acdc9d4d0 R11: 0000000000000202 R12: 00007f1acdc60000 # [ 55.325513] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 # [ 55.333784] irq event stamp: 0 # [ 55.343690] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 55.350985] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 55.366624] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 55.376055] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 55.389577] ---[ end trace dd4facc418e792b8 ]--- # [ 55.395026] 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 # [ 55.539287] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED # [ 55.551192] lkdtm: attempting bad refcount_dec() from saturated # [ 55.558126] ------------[ cut here ]------------ # [ 55.563583] refcount_t: decrement hit 0; leaking memory. # [ 55.576034] WARNING: CPU: 3 PID: 2421 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 55.591958] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel cros_ec_sysfs cros_usbpd_logger cros_ec_debugfs cros_ec_chardev cros_usbpd_charger cros_ec_lightbar cros_ec_sensorhub iTCO_wdt intel_pmc_bxt intel_pmc_core_pltdrv bluetooth intel_pmc_core uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 processor_thermal_device gsmi iwlmvm ecdh_generic x86_pkg_temp_thermal cros_ec_dev watchdog iwlwifi snd_soc_da7219 idma64 ecc videobuf2_common intel_soc_dts_iosf snd_soc_max98927 elan_i2c i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c int3403_thermal int340x_thermal_zone cros_usbpd_notify pinctrl_sunrisepoint int3400_thermal acpi_thermal_rel coreboot_table chromeos_pstore cros_kbd_led_backlight # [ 55.680581] CPU: 3 PID: 2421 Comm: cat Tainted: G D W 5.10.218-cip49 #1 # [ 55.695737] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 55.702837] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 55.708989] Code: 90 aa 22 98 c6 05 e4 ce f6 02 01 e8 85 4d c5 00 0f 0b c3 cc cc cc cc 48 c7 c7 60 aa 22 98 c6 05 cb ce f6 02 01 e8 6b 4d c5 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 55.730265] RSP: 0018:ffffabbdc3043e48 EFLAGS: 00010286 # [ 55.736391] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000 # [ 55.744656] RDX: ffff8935badac620 RSI: ffff8935bad9bf50 RDI: ffff8935bad9bf50 # [ 55.752919] RBP: ffffffff982d03cc R08: 0000000000000000 R09: 0000000000000000 # [ 55.761182] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 55.769445] R13: ffffabbdc3043f10 R14: ffffabbdc3043f10 R15: ffff89354605c000 # [ 55.777718] FS: 00007f7b7bf24740(0000) GS:ffff8935bad80000(0000) knlGS:0000000000000000 # [ 55.793267] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 55.799974] CR2: 00007f7b7bf03000 CR3: 0000000107ee6002 CR4: 00000000003706e0 # [ 55.808240] Call Trace: # [ 55.811264] ? __warn+0x80/0x110 # [ 55.815190] ? refcount_warn_saturate+0xfb/0x110 # [ 55.820639] ? report_bug+0x9e/0xc0 # [ 55.824827] ? handle_bug+0x41/0x90 # [ 55.829036] ? exc_invalid_op+0x14/0x70 # [ 55.833611] ? asm_exc_invalid_op+0x12/0x20 # [ 55.838629] ? refcount_warn_saturate+0xfb/0x110 # [ 55.844110] ? refcount_warn_saturate+0xfb/0x110 # [ 55.855776] lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5f # [ 55.867732] direct_entry.cold+0x2c/0x38 # [ 55.872428] full_proxy_write+0x53/0x80 # [ 55.877029] vfs_write+0xe7/0x3b0 # [ 55.887230] ksys_write+0x68/0xf0 # [ 55.891223] do_syscall_64+0x30/0x40 # [ 55.895507] entry_SYSCALL_64_after_hwframe+0x67/0xd1 # [ 55.901441] RIP: 0033:0x7f7b7c01f240 # [ 55.905724] 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 # [ 55.933217] RSP: 002b:00007ffed4c56fb8 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 # [ 55.941968] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f7b7c01f240 # [ 55.950232] RDX: 0000000000000017 RSI: 00007f7b7bf03000 RDI: 0000000000000001 # [ 55.958496] RBP: 0000000000000017 R08: 00000000ffffffff R09: 0000000000000000 # [ 55.966760] R10: 00007f7b7bf404d0 R11: 0000000000000202 R12: 00007f7b7bf03000 # [ 55.975026] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 # [ 55.983293] irq event stamp: 0 # [ 55.987013] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 55.994306] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 56.003736] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 56.013167] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 56.020458] ---[ end trace dd4facc418e792b9 ]--- # [ 56.025906] 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 # [ 56.185753] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED # [ 56.194652] lkdtm: attempting bad refcount_dec() from saturated # [ 56.201577] ------------[ cut here ]------------ # [ 56.207029] refcount_t: saturated; leaking memory. # [ 56.218910] WARNING: CPU: 3 PID: 2457 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 56.228638] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel cros_ec_sysfs cros_usbpd_logger cros_ec_debugfs cros_ec_chardev cros_usbpd_charger cros_ec_lightbar cros_ec_sensorhub iTCO_wdt intel_pmc_bxt intel_pmc_core_pltdrv bluetooth intel_pmc_core uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 processor_thermal_device gsmi iwlmvm ecdh_generic x86_pkg_temp_thermal cros_ec_dev watchdog iwlwifi snd_soc_da7219 idma64 ecc videobuf2_common intel_soc_dts_iosf snd_soc_max98927 elan_i2c i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c int3403_thermal int340x_thermal_zone cros_usbpd_notify pinctrl_sunrisepoint int3400_thermal acpi_thermal_rel coreboot_table chromeos_pstore cros_kbd_led_backlight # [ 56.317217] CPU: 3 PID: 2457 Comm: cat Tainted: G D W 5.10.218-cip49 #1 # [ 56.326193] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 56.333319] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 56.339480] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 88 cf f6 02 00 75 ee 48 c7 c7 e0 a9 22 98 c6 05 78 cf f6 02 01 e8 15 4e c5 00 <0f> 0b c3 cc cc cc cc 80 3d 64 cf f6 02 00 75 cb 48 c7 c7 08 aa 22 # [ 56.360787] RSP: 0018:ffffabbdc30c3e48 EFLAGS: 00010286 # [ 56.366919] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000 # [ 56.375186] RDX: ffff8935badac620 RSI: ffff8935bad9bf50 RDI: ffff8935bad9bf50 # [ 56.383454] RBP: ffffffff982d03e3 R08: 0000000000000000 R09: 0000000000000000 # [ 56.391750] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 56.400018] R13: ffffabbdc30c3f10 R14: ffffabbdc30c3f10 R15: ffff8935433b2000 # [ 56.408314] FS: 00007fa0a59a5740(0000) GS:ffff8935bad80000(0000) knlGS:0000000000000000 # [ 56.417648] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 56.424359] CR2: 00007fa0a5984000 CR3: 0000000102b9e002 CR4: 00000000003706e0 # [ 56.432626] Call Trace: # [ 56.435653] ? __warn+0x80/0x110 # [ 56.439577] ? refcount_warn_saturate+0x51/0x110 # [ 56.451237] ? report_bug+0x9e/0xc0 # [ 56.455454] ? handle_bug+0x41/0x90 # [ 56.465848] ? exc_invalid_op+0x14/0x70 # [ 56.476637] ? asm_exc_invalid_op+0x12/0x20 # [ 56.487839] ? refcount_warn_saturate+0x51/0x110 # [ 56.493299] ? refcount_warn_saturate+0x51/0x110 # [ 56.504953] lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x64 # [ 56.510693] direct_entry.cold+0x2c/0x38 # [ 56.515408] full_proxy_write+0x53/0x80 # [ 56.520002] vfs_write+0xe7/0x3b0 # [ 56.530215] ksys_write+0x68/0xf0 # [ 56.534217] do_syscall_64+0x30/0x40 # [ 56.544707] entry_SYSCALL_64_after_hwframe+0x67/0xd1 # [ 56.550670] RIP: 0033:0x7fa0a5aa0240 # [ 56.554953] 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 # [ 56.576231] RSP: 002b:00007ffd29603eb8 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 # [ 56.584981] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007fa0a5aa0240 # [ 56.593246] RDX: 0000000000000017 RSI: 00007fa0a5984000 RDI: 0000000000000001 # [ 56.601510] RBP: 0000000000000017 R08: 00000000ffffffff R09: 0000000000000000 # [ 56.609774] R10: 00007fa0a59c14d0 R11: 0000000000000202 R12: 00007fa0a5984000 # [ 56.618039] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 # [ 56.626306] irq event stamp: 0 # [ 56.630035] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 56.637329] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 56.646760] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 56.656191] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 56.663484] ---[ end trace dd4facc418e792ba ]--- # [ 56.668931] 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 # [ 57.235337] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED # [ 57.248500] lkdtm: attempting bad refcount_inc_not_zero() from saturated # [ 57.262508] ------------[ cut here ]------------ # [ 57.274192] refcount_t: saturated; leaking memory. # [ 57.286064] WARNING: CPU: 0 PID: 2490 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 57.302003] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel cros_ec_sysfs cros_usbpd_logger cros_ec_debugfs cros_ec_chardev cros_usbpd_charger cros_ec_lightbar cros_ec_sensorhub iTCO_wdt intel_pmc_bxt intel_pmc_core_pltdrv bluetooth intel_pmc_core uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 processor_thermal_device gsmi iwlmvm ecdh_generic x86_pkg_temp_thermal cros_ec_dev watchdog iwlwifi snd_soc_da7219 idma64 ecc videobuf2_common intel_soc_dts_iosf snd_soc_max98927 elan_i2c i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c int3403_thermal int340x_thermal_zone cros_usbpd_notify pinctrl_sunrisepoint int3400_thermal acpi_thermal_rel coreboot_table chromeos_pstore cros_kbd_led_backlight # [ 57.390582] CPU: 0 PID: 2490 Comm: cat Tainted: G D W 5.10.218-cip49 #1 # [ 57.405736] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 57.419076] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 57.431457] Code: 02 01 e8 f2 4d c5 00 0f 0b c3 cc cc cc cc 80 3d 43 cf f6 02 00 75 a8 48 c7 c7 e0 a9 22 98 c6 05 33 cf f6 02 01 e8 cf 4d c5 00 <0f> 0b c3 cc cc cc cc 80 3d 1d cf f6 02 00 75 85 48 c7 c7 38 aa 22 # [ 57.458932] RSP: 0018:ffffabbdc311be38 EFLAGS: 00010282 # [ 57.471323] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 # [ 57.485786] RDX: ffff8935bac2c620 RSI: ffff8935bac1bf50 RDI: ffff8935bac1bf50 # [ 57.500314] RBP: ffffffff982d0010 R08: 0000000000000000 R09: 0000000000000000 # [ 57.514772] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 57.529290] R13: ffffabbdc311bf10 R14: ffffabbdc311bf10 R15: ffff893547fa6000 # [ 57.543753] FS: 00007fa39ec6b740(0000) GS:ffff8935bac00000(0000) knlGS:0000000000000000 # [ 57.559353] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 57.572236] CR2: 00007fa39ec4a000 CR3: 0000000106716002 CR4: 00000000003706f0 # [ 57.586722] Call Trace: # [ 57.595956] ? __warn+0x80/0x110 # [ 57.606073] ? refcount_warn_saturate+0x97/0x110 # [ 57.617722] ? report_bug+0x9e/0xc0 # [ 57.628115] ? handle_bug+0x41/0x90 # [ 57.638512] ? exc_invalid_op+0x14/0x70 # [ 57.649300] ? asm_exc_invalid_op+0x12/0x20 # [ 57.660499] ? refcount_warn_saturate+0x97/0x110 # [ 57.672157] ? refcount_warn_saturate+0x97/0x110 # [ 57.683839] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 57.696461] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x76 # [ 57.709313] direct_entry.cold+0x2c/0x38 # [ 57.720181] full_proxy_write+0x53/0x80 # [ 57.730987] vfs_write+0xe7/0x3b0 # [ 57.741178] ksys_write+0x68/0xf0 # [ 57.751406] do_syscall_64+0x30/0x40 # [ 57.761889] entry_SYSCALL_64_after_hwframe+0x67/0xd1 # [ 57.774071] RIP: 0033:0x7fa39ed66240 # [ 57.784556] 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 # [ 57.812067] RSP: 002b:00007ffea0f3be68 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 # [ 57.827011] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fa39ed66240 # [ 57.841505] RDX: 0000000000000020 RSI: 00007fa39ec4a000 RDI: 0000000000000001 # [ 57.855968] RBP: 0000000000000020 R08: 00000000ffffffff R09: 0000000000000000 # [ 57.870457] R10: 00007fa39ec874d0 R11: 0000000000000202 R12: 00007fa39ec4a000 # [ 57.884934] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 # [ 57.899428] irq event stamp: 0 # [ 57.909327] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 57.922852] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 57.938482] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 57.954146] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 57.967638] ---[ end trace dd4facc418e792bb ]--- # [ 57.979319] 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 # [ 58.122300] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED # [ 58.136357] lkdtm: attempting bad refcount_add_not_zero() from saturated # [ 58.150368] ------------[ cut here ]------------ # [ 58.162009] refcount_t: saturated; leaking memory. # [ 58.173882] WARNING: CPU: 1 PID: 2523 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 58.189807] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel cros_ec_sysfs cros_usbpd_logger cros_ec_debugfs cros_ec_chardev cros_usbpd_charger cros_ec_lightbar cros_ec_sensorhub iTCO_wdt intel_pmc_bxt intel_pmc_core_pltdrv bluetooth intel_pmc_core uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 processor_thermal_device gsmi iwlmvm ecdh_generic x86_pkg_temp_thermal cros_ec_dev watchdog iwlwifi snd_soc_da7219 idma64 ecc videobuf2_common intel_soc_dts_iosf snd_soc_max98927 elan_i2c i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c int3403_thermal int340x_thermal_zone cros_usbpd_notify pinctrl_sunrisepoint int3400_thermal acpi_thermal_rel coreboot_table chromeos_pstore cros_kbd_led_backlight # [ 58.278385] CPU: 1 PID: 2523 Comm: cat Tainted: G D W 5.10.218-cip49 #1 # [ 58.293548] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 58.306865] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 58.319206] Code: 02 01 e8 f2 4d c5 00 0f 0b c3 cc cc cc cc 80 3d 43 cf f6 02 00 75 a8 48 c7 c7 e0 a9 22 98 c6 05 33 cf f6 02 01 e8 cf 4d c5 00 <0f> 0b c3 cc cc cc cc 80 3d 1d cf f6 02 00 75 85 48 c7 c7 38 aa 22 # [ 58.346725] RSP: 0018:ffffabbdc31bbe38 EFLAGS: 00010282 # [ 58.359047] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 # [ 58.373524] RDX: ffff8935bacac620 RSI: ffff8935bac9bf50 RDI: ffff8935bac9bf50 # [ 58.388003] RBP: ffffffff982d0030 R08: 0000000000000000 R09: 0000000000000000 # [ 58.396270] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 58.410744] R13: ffffabbdc31bbf10 R14: ffffabbdc31bbf10 R15: ffff893546551000 # [ 58.425223] FS: 00007f2f789e8740(0000) GS:ffff8935bac80000(0000) knlGS:0000000000000000 # [ 58.440772] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 58.453698] CR2: 00007f2f789c7000 CR3: 0000000106244002 CR4: 00000000003706e0 # [ 58.461964] Call Trace: # [ 58.471215] ? __warn+0x80/0x110 # [ 58.481329] ? refcount_warn_saturate+0x97/0x110 # [ 58.492992] ? report_bug+0x9e/0xc0 # [ 58.503394] ? handle_bug+0x41/0x90 # [ 58.513792] ? exc_invalid_op+0x14/0x70 # [ 58.524584] ? asm_exc_invalid_op+0x12/0x20 # [ 58.535766] ? refcount_warn_saturate+0x97/0x110 # [ 58.547425] ? refcount_warn_saturate+0x97/0x110 # [ 58.559089] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 58.565535] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x76 # [ 58.578364] direct_entry.cold+0x2c/0x38 # [ 58.589254] full_proxy_write+0x53/0x80 # [ 58.600040] vfs_write+0xe7/0x3b0 # [ 58.610249] ksys_write+0x68/0xf0 # [ 58.620457] do_syscall_64+0x30/0x40 # [ 58.630954] entry_SYSCALL_64_after_hwframe+0x67/0xd1 # [ 58.643103] RIP: 0033:0x7f2f78ae3240 # [ 58.653617] 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 # [ 58.681116] RSP: 002b:00007fff74411ee8 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 # [ 58.689895] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f2f78ae3240 # [ 58.704368] RDX: 0000000000000020 RSI: 00007f2f789c7000 RDI: 0000000000000001 # [ 58.718848] RBP: 0000000000000020 R08: 00000000ffffffff R09: 0000000000000000 # [ 58.733327] R10: 00007f2f78a044d0 R11: 0000000000000202 R12: 00007f2f789c7000 # [ 58.741595] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 # [ 58.756091] irq event stamp: 0 # [ 58.765985] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 58.779493] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 58.788925] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 58.804577] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 58.811873] ---[ end trace dd4facc418e792bc ]--- # [ 58.823533] 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 # [ 58.989692] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED # [ 58.999358] lkdtm: attempting bad refcount_dec_and_test() from saturated # [ 59.013355] ------------[ cut here ]------------ # [ 59.025014] refcount_t: underflow; use-after-free. # [ 59.030692] WARNING: CPU: 1 PID: 2559 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 59.046593] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel cros_ec_sysfs cros_usbpd_logger cros_ec_debugfs cros_ec_chardev cros_usbpd_charger cros_ec_lightbar cros_ec_sensorhub iTCO_wdt intel_pmc_bxt intel_pmc_core_pltdrv bluetooth intel_pmc_core uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 processor_thermal_device gsmi iwlmvm ecdh_generic x86_pkg_temp_thermal cros_ec_dev watchdog iwlwifi snd_soc_da7219 idma64 ecc videobuf2_common intel_soc_dts_iosf snd_soc_max98927 elan_i2c i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c int3403_thermal int340x_thermal_zone cros_usbpd_notify pinctrl_sunrisepoint int3400_thermal acpi_thermal_rel coreboot_table chromeos_pstore cros_kbd_led_backlight # [ 59.135171] CPU: 1 PID: 2559 Comm: cat Tainted: G D W 5.10.218-cip49 #1 # [ 59.150327] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 59.157429] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 59.169766] Code: 02 01 e8 cf 4d c5 00 0f 0b c3 cc cc cc cc 80 3d 1d cf f6 02 00 75 85 48 c7 c7 38 aa 22 98 c6 05 0d cf f6 02 01 e8 ac 4d c5 00 <0f> 0b c3 cc cc cc cc 80 3d f8 ce f6 02 00 0f 85 5e ff ff ff 48 c7 # [ 59.197258] RSP: 0018:ffffabbdc326be40 EFLAGS: 00010286 # [ 59.209613] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000 # [ 59.224099] RDX: ffff8935bacac620 RSI: ffff8935bac9bf50 RDI: ffff8935bac9bf50 # [ 59.232365] RBP: ffffffff982d0050 R08: 0000000000000000 R09: 0000000000000000 # [ 59.246838] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 59.255104] R13: ffffabbdc326bf10 R14: ffffabbdc326bf10 R15: ffff89354379b000 # [ 59.269580] FS: 00007f57c5231740(0000) GS:ffff8935bac80000(0000) knlGS:0000000000000000 # [ 59.285135] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 59.298060] CR2: 00007f57c5210000 CR3: 0000000106cda003 CR4: 00000000003706e0 # [ 59.312542] Call Trace: # [ 59.321780] ? __warn+0x80/0x110 # [ 59.331896] ? refcount_warn_saturate+0xba/0x110 # [ 59.343579] ? report_bug+0x9e/0xc0 # [ 59.353970] ? handle_bug+0x41/0x90 # [ 59.364369] ? exc_invalid_op+0x14/0x70 # [ 59.375159] ? asm_exc_invalid_op+0x12/0x20 # [ 59.386339] ? refcount_warn_saturate+0xba/0x110 # [ 59.398001] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 59.410636] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x76 # [ 59.423465] direct_entry.cold+0x2c/0x38 # [ 59.434352] full_proxy_write+0x53/0x80 # [ 59.445141] vfs_write+0xe7/0x3b0 # [ 59.455348] ksys_write+0x68/0xf0 # [ 59.465571] do_syscall_64+0x30/0x40 # [ 59.469851] entry_SYSCALL_64_after_hwframe+0x67/0xd1 # [ 59.481997] RIP: 0033:0x7f57c532c240 # [ 59.492493] 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 # [ 59.519988] RSP: 002b:00007fff1f6e7e58 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 # [ 59.534951] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f57c532c240 # [ 59.549433] RDX: 0000000000000020 RSI: 00007f57c5210000 RDI: 0000000000000001 # [ 59.563914] RBP: 0000000000000020 R08: 00000000ffffffff R09: 0000000000000000 # [ 59.578394] R10: 00007f57c524d4d0 R11: 0000000000000202 R12: 00007f57c5210000 # [ 59.592873] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 # [ 59.607359] irq event stamp: 0 # [ 59.617271] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 59.630781] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 59.646427] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 59.662073] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 59.675581] ---[ end trace dd4facc418e792bd ]--- # [ 59.687246] 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 # [ 59.832060] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED # [ 59.844296] lkdtm: attempting bad refcount_sub_and_test() from saturated # [ 59.852105] ------------[ cut here ]------------ # [ 59.863767] refcount_t: underflow; use-after-free. # [ 59.875666] WARNING: CPU: 3 PID: 2595 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 59.891598] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel cros_ec_sysfs cros_usbpd_logger cros_ec_debugfs cros_ec_chardev cros_usbpd_charger cros_ec_lightbar cros_ec_sensorhub iTCO_wdt intel_pmc_bxt intel_pmc_core_pltdrv bluetooth intel_pmc_core uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 processor_thermal_device gsmi iwlmvm ecdh_generic x86_pkg_temp_thermal cros_ec_dev watchdog iwlwifi snd_soc_da7219 idma64 ecc videobuf2_common intel_soc_dts_iosf snd_soc_max98927 elan_i2c i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c int3403_thermal int340x_thermal_zone cros_usbpd_notify pinctrl_sunrisepoint int3400_thermal acpi_thermal_rel coreboot_table chromeos_pstore cros_kbd_led_backlight # [ 59.980206] CPU: 3 PID: 2595 Comm: cat Tainted: G D W 5.10.218-cip49 #1 # [ 59.989163] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 60.002467] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 60.008634] Code: 02 01 e8 cf 4d c5 00 0f 0b c3 cc cc cc cc 80 3d 1d cf f6 02 00 75 85 48 c7 c7 38 aa 22 98 c6 05 0d cf f6 02 01 e8 ac 4d c5 00 <0f> 0b c3 cc cc cc cc 80 3d f8 ce f6 02 00 0f 85 5e ff ff ff 48 c7 # [ 60.029938] RSP: 0018:ffffabbdc32dbe40 EFLAGS: 00010286 # [ 60.036097] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000 # [ 60.044363] RDX: ffff8935badac620 RSI: ffff8935bad9bf50 RDI: ffff8935bad9bf50 # [ 60.052631] RBP: ffffffff982d0070 R08: 0000000000000000 R09: 0000000000000000 # [ 60.060897] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 60.069163] R13: ffffabbdc32dbf10 R14: ffffabbdc32dbf10 R15: ffff89354625e000 # [ 60.077428] FS: 00007f2f5d729740(0000) GS:ffff8935bad80000(0000) knlGS:0000000000000000 # [ 60.086762] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 60.093474] CR2: 00007f2f5d708000 CR3: 0000000107c7a005 CR4: 00000000003706e0 # [ 60.101739] Call Trace: # [ 60.104765] ? __warn+0x80/0x110 # [ 60.108688] ? refcount_warn_saturate+0xba/0x110 # [ 60.120346] ? report_bug+0x9e/0xc0 # [ 60.124582] ? handle_bug+0x41/0x90 # [ 60.128778] ? exc_invalid_op+0x14/0x70 # [ 60.139564] ? asm_exc_invalid_op+0x12/0x20 # [ 60.150748] ? refcount_warn_saturate+0xba/0x110 # [ 60.162409] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 60.168860] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x76 # [ 60.175500] direct_entry.cold+0x2c/0x38 # [ 60.180199] full_proxy_write+0x53/0x80 # [ 60.184806] vfs_write+0xe7/0x3b0 # [ 60.188830] ksys_write+0x68/0xf0 # [ 60.192848] do_syscall_64+0x30/0x40 # [ 60.197157] entry_SYSCALL_64_after_hwframe+0x67/0xd1 # [ 60.203117] RIP: 0033:0x7f2f5d824240 # [ 60.207401] 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 # [ 60.228703] RSP: 002b:00007ffc8da1fcc8 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 # [ 60.237455] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f2f5d824240 # [ 60.245719] RDX: 0000000000000020 RSI: 00007f2f5d708000 RDI: 0000000000000001 # [ 60.253984] RBP: 0000000000000020 R08: 00000000ffffffff R09: 0000000000000000 # [ 60.262250] R10: 00007f2f5d7454d0 R11: 0000000000000202 R12: 00007f2f5d708000 # [ 60.270516] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 # [ 60.278785] irq event stamp: 0 # [ 60.282513] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 60.296016] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 60.305471] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 60.314901] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 60.322193] ---[ end trace dd4facc418e792be ]--- # [ 60.327647] 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 # [ 60.728650] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO # [ 60.737149] lkdtm: attempting good copy_to_user of correct size # [ 60.744085] 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 # [ 60.884396] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM # [ 60.895071] lkdtm: attempting good copy_from_user of correct size # [ 60.908395] 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 # [ 61.047641] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO # [ 61.059907] lkdtm: attempting good copy_to_user inside whitelist # [ 61.073187] 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 # [ 61.225254] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM # [ 61.237071] lkdtm: attempting good copy_from_user inside whitelist # [ 61.244287] 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 # [ 61.392733] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO # [ 61.401713] lkdtm: good_stack: ffffabbdc36bbe20-ffffabbdc36bbe40 # [ 61.408720] lkdtm: bad_stack : ffffabbdc36bbda8-ffffabbdc36bbdc8 # [ 61.415780] lkdtm: attempting good copy_to_user of local stack # [ 61.422601] 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 # [ 61.568300] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM # [ 61.579886] lkdtm: good_stack: ffffabbdc374be20-ffffabbdc374be40 # [ 61.586906] lkdtm: bad_stack : ffffabbdc374bda8-ffffabbdc374bdc8 # [ 61.600122] lkdtm: attempting good copy_from_user of local stack # [ 61.613334] 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 # [ 61.747872] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND # [ 61.758062] lkdtm: good_stack: ffffabbdc37e3e20-ffffabbdc37e3e40 # [ 61.771295] lkdtm: bad_stack : ffffabbdc37e3ff8-ffffabbdc37e4018 # [ 61.784557] lkdtm: attempting good copy_to_user of local stack # [ 61.797523] lkdtm: attempting bad copy_to_user of distant stack # [ 61.810643] 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 # [ 61.987446] lkdtm: Performing direct entry USERCOPY_KERNEL # [ 61.997357] lkdtm: attempting good copy_to_user from kernel rodata: ffffffff97e40b70 # [ 62.006316] lkdtm: attempting bad copy_to_user from kernel text: ffffffff956e41c0 # [ 62.021173] 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 # [ 62.169357] lkdtm: Performing direct entry STACKLEAK_ERASING # [ 62.176666] lkdtm: checking unused part of the thread stack (15928 bytes)... # [ 62.191101] lkdtm: FAIL: the erased part is not found (checked 15928 bytes) # [ 62.205397] lkdtm: FAIL: the thread stack is NOT properly erased # [ 62.218614] CPU: 0 PID: 2971 Comm: cat Tainted: G D W 5.10.218-cip49 #1 # [ 62.233736] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 62.240832] Call Trace: # [ 62.243854] dump_stack+0x77/0x9b # [ 62.247849] lkdtm_STACKLEAK_ERASING+0x116/0x144 # [ 62.253295] direct_entry.cold+0x2c/0x38 # [ 62.257957] full_proxy_write+0x53/0x80 # [ 62.262535] vfs_write+0xe7/0x3b0 # [ 62.266523] ksys_write+0x68/0xf0 # [ 62.270512] do_syscall_64+0x30/0x40 # [ 62.274783] entry_SYSCALL_64_after_hwframe+0x67/0xd1 # [ 62.280714] RIP: 0033:0x7fab54aa0240 # [ 62.284994] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89 # [ 62.306269] RSP: 002b:00007fffb3f8bcc8 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 # [ 62.315015] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fab54aa0240 # [ 62.323275] RDX: 0000000000000012 RSI: 00007fab54984000 RDI: 0000000000000001 # [ 62.331537] RBP: 0000000000000012 R08: 00000000ffffffff R09: 0000000000000000 # [ 62.339798] R10: 00007fab549c14d0 R11: 0000000000000202 R12: 00007fab54984000 # [ 62.348059] 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 # [ 62.514807] lkdtm: Performing direct entry CFI_FORWARD_PROTO # [ 62.524681] lkdtm: Calling matched prototype ... # [ 62.530162] lkdtm: Calling mismatched prototype ... # [ 62.535933] 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