[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: .Timeout wait for TPM IRQ! .Timeout wait for TPM IRQ! . 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_A:0.5.6/cr50_v1.9308_87_mp.510-d2da4373 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 Phase 2 Phase 3 FMAP: area GBB found @ c11000 (978944 bytes) VB2:vb2_report_dev_firmware() This is developer signed firmware FMAP: area VBLOCK_A found @ 200000 (65536 bytes) FMAP: area VBLOCK_A found @ 200000 (65536 bytes) VB2:vb2_verify_keyblock() Checking key block signature... FMAP: area VBLOCK_A found @ 200000 (65536 bytes) FMAP: area VBLOCK_A found @ 200000 (65536 bytes) VB2:vb2_verify_fw_preamble() Verifying preamble. Phase 4 FMAP: area FW_MAIN_A found @ 210000 (4030400 bytes) VB2:vb2api_init_hash() HW crypto for hash_alg 2 not supported, using SW VB2:vb2_rsa_verify_digest() Digest check failed! VB2:vb2_fail() Need recovery, reason: 0x1b / 0x7 Saving nvdata Reboot requested (10020007) board_reset() called! full_reset() called! 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_A:0.5.6/cr50_v1.9308_87_mp.510-d2da4373 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: 0x1b / 0x7 VB2:vb2_check_recovery() We have a recovery request: 0x1b / 0x0 Recovery requested (1009000e) Saving nvdata 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]: 00010000 TCO_STS: 0000 0000 GEN_PMCON: e0040200 0000523a GBLRST_CAUSE: 00000000 00000000 prev_sleep_state 5 Boot Count incremented to 51849 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_A:0.5.6/cr50_v1.9308_87_mp.510-d2da4373 Initialized TPM device CR50 revision 0 src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x100b return code 0 MRC: Hash comparison successful. Using data from RECOVERY_MRC_CACHE MRC cache found, size 1868 bootmode is set to :2 SPD index 1 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'spd.bin' CBFS: Found @ offset 1a0240 size 800 SPD: module type is LPDDR3 SPD: module part is K4E8E324EB-EGCF SPD: banks 8, ranks 1, rows 15, columns 10, density 8192 Mb SPD: device width 32 bits, bus width 64 bits SPD: module size is 2048 MB (per channel) CBMEM: IMD: root @ 7afff000 254 entries. IMD: root @ 7affec00 62 entries. External stage cache: IMD: root @ 7b3ff000 254 entries. IMD: root @ 7b3fec00 62 entries. creating vboot_handoff structure Chrome EC: clear events_b mask to 0x0000000021004000 src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x100b return code 0 tlcl_write: response is 0 src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x100b return code 0 MRC: TPM MRC hash updated successfully. 2 DIMMs found top_of_ram = 0x7b000000 MTRR Range: Start=7a000000 End=7b000000 (Size 1000000) MTRR Range: Start=7b000000 End=7b800000 (Size 800000) MTRR Range: Start=ff000000 End=0 (Size 1000000) CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/postcar' CBFS: Found @ offset 197000 size 3f04 Decompressing stage fallback/postcar @ 0x7abd0fc0 (32720 bytes) Loading module at 7abd1000 with entry 7abd1000. filesize: 0x3cd0 memsize: 0x7f90 Processing 118 relocs. Offset value of 0x78bd1000 coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 postcar starting... CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/ramstage' CBFS: Found @ offset e8d80 size 1a462 Decompressing stage fallback/ramstage @ 0x7ab05fc0 (826808 bytes) Loading module at 7ab06000 with entry 7ab06000. filesize: 0x38d90 memsize: 0xc9d78 Processing 3657 relocs. Offset value of 0x79d06000 coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 ramstage starting... FMAP: Found "FLASH" version 1.1 at c10000. FMAP: base = ff000000 size = 1000000 #areas = 33 FMAP: area RO_VPD found @ c00000 (16384 bytes) WARNING: RO_VPD is uninitialized or empty. FMAP: area RW_VPD found @ 9f8000 (8192 bytes) FMAP: area RW_VPD found @ 9f8000 (8192 bytes) Normal boot. BS: BS_PRE_DEVICE times (us): entry 0 run 30 exit 0 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'cpu_microcode_blob.bin' CBFS: Found @ offset 11100 size d7c00 microcode: sig=0x806e9 pf=0x10 revision=0x97 Skip microcode update CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fsps.bin' CBFS: Found @ offset 167fc0 size 2f000 Detected 2 core, 4 thread CPU. Setting up SMI for CPU IED base = 0x7b400000 IED size = 0x00400000 Will perform SMM setup. CPU: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz. Loading module at 00030000 with entry 00030000. filesize: 0x170 memsize: 0x170 Processing 16 relocs. Offset value of 0x00030000 Attempting to start 3 APs Waiting for 10ms after sending INIT. Waiting for 1st SIPI to complete...done. AP: slot 3 apic_id 3. AP: slot 2 apic_id 2. Waiting for 2nd SIPI to complete...done. AP: slot 1 apic_id 1. Loading module at 00038000 with entry 00038000. filesize: 0x1a8 memsize: 0x1a8 Processing 13 relocs. Offset value of 0x00038000 SMM Module: stub loaded at 00038000. Will call 7ab21603(00000000) Installing SMM handler to 0x7b000000 Loading module at 7b010000 with entry 7b010a19. filesize: 0x3b08 memsize: 0x8bc0 Processing 243 relocs. Offset value of 0x7b010000 Loading module at 7b008000 with entry 7b008000. filesize: 0x1a8 memsize: 0x1a8 Processing 13 relocs. Offset value of 0x7b008000 SMM Module: placing jmp sequence at 7b007c00 rel16 0x03fd SMM Module: placing jmp sequence at 7b007800 rel16 0x07fd SMM Module: placing jmp sequence at 7b007400 rel16 0x0bfd SMM Module: stub loaded at 7b008000. Will call 7b010a19(00000000) Clearing SMI status registers SMI_STS: PM1 PM1_STS: PWRBTN TCO_STS: BOOT SECOND_TO New SMBASE 0x7b000000 In relocation handler: CPU 0 New SMBASE=0x7b000000 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. New SMBASE 0x7afffc00 In relocation handler: CPU 1 New SMBASE=0x7afffc00 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. New SMBASE 0x7afff400 In relocation handler: CPU 3 New SMBASE=0x7afff400 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. New SMBASE 0x7afff800 In relocation handler: CPU 2 New SMBASE=0x7afff800 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. Initializing CPU #0 CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 Setting up local APIC... apic_id: 0x00 done. Turbo is available but hidden Turbo has been enabled SGX : param.enable = 0 Skip microcode update CPU #0 initialized Initializing CPU #1 Initializing CPU #3 Initializing CPU #2 CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 Setting up local APIC...CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 apic_id: 0x03 done. Setting up local APIC...Setting up local APIC...Skip microcode update apic_id: 0x02 done. CPU #3 initialized Skip microcode update apic_id: 0x01 done. CPU #2 initialized Skip microcode update CPU #1 initialized bsp_do_flight_plan done after 229 msecs. CPU: frequency set to 3400 MHz Enabling SMIs. Locking SMM. VMX : param.enable = 1 VMX status: enabled, unlocked SGX: pre-conditions not met VMX status: enabled, unlocked SGX: pre-conditions not met VMX status: enabled, unlocked VMX status: enabled, unlocked SGX: pre-conditions not met SGX: pre-conditions not met CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'vbt.bin' CBFS: Found @ offset 103a00 size 48e Found a VBT of 4608 bytes after decompression psys_pmax = 360 FMAP: area GBB found @ c11000 (978944 bytes) ITSS IRQ Polarities Before: IPC0: 0x00ff4000 IPC1: 0x00000007 IPC2: 0x00000000 IPC3: 0x00000000 ITSS IRQ Polarities After: IPC0: 0x00ff4000 IPC1: 0x00000007 IPC2: 0x00000000 IPC3: 0x00000000 Override DT after FSP-S, PCH is KBL/SKL PCH-LP SKU BS: BS_DEV_INIT_CHIPS times (us): entry 376214 run 165632 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 8975 usecs USB2 port 2 scanning... scan_usb_bus for USB2 port 2 scan_usb_bus for USB2 port 2 done scan_bus: scanning of bus USB2 port 2 took 8976 usecs USB2 port 4 scanning... scan_usb_bus for USB2 port 4 scan_usb_bus for USB2 port 4 done scan_bus: scanning of bus USB2 port 4 took 8967 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 8973 usecs scan_usb_bus for USB0 port 0 done scan_bus: scanning of bus USB0 port 0 took 90966 usecs scan_usb_bus for PCI: 00:14.0 done scan_bus: scanning of bus PCI: 00:14.0 took 107755 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 14161 usecs PCI: 00:15.1 scanning... scan_generic_bus for PCI: 00:15.1 bus: PCI: 00:15.1[0]->I2C: 02:15 enabled scan_generic_bus for PCI: 00:15.1 done scan_bus: scanning of bus PCI: 00:15.1 took 14158 usecs PCI: 00:19.1 scanning... scan_generic_bus for PCI: 00:19.1 bus: PCI: 00:19.1[0]->I2C: 03:39 enabled bus: PCI: 00:19.1[0]->I2C: 03:3a enabled bus: PCI: 00:19.1[0]->I2C: 03:1a enabled scan_generic_bus for PCI: 00:19.1 done scan_bus: scanning of bus PCI: 00:19.1 took 22375 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 53535 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 13856 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 11310 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 9265 usecs PCI: 00:1f.3 scanning... scan_bus: scanning of bus PCI: 00:1f.3 took 2718 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 10037 usecs PCI: 00:1f.5 scanning... scan_generic_bus for PCI: 00:1f.5 scan_generic_bus for PCI: 00:1f.5 done scan_bus: scanning of bus PCI: 00:1f.5 took 10045 usecs scan_bus: scanning of bus DOMAIN: 0000 took 466050 usecs root_dev_scan_bus for Root Device done scan_bus: scanning of bus Root Device took 486154 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 825955 exit 39236 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 2114120 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 139340 exit 21104 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 31139 usecs CPU_CLUSTER: 0 init ... CPU_CLUSTER: 0 init finished in 2444 usecs PCI: 00:00.0 init ... CPU TDP: 5 Watts CPU PL2 = 18 Watts PCI: 00:00.0 init finished in 6985 usecs PCI: 00:02.0 init ... PCI: 00:02.0 init finished in 2251 usecs PCI: 00:04.0 init ... PCI: 00:04.0 init finished in 2250 usecs PCI: 00:08.0 init ... PCI: 00:08.0 init finished in 2249 usecs PCI: 00:14.0 init ... PCI: 00:14.0 init finished in 2249 usecs PCI: 00:14.2 init ... PCI: 00:14.2 init finished in 2250 usecs PCI: 00:15.0 init ... DW I2C bus 0 at 0xd1132000 (400 KHz) PCI: 00:15.0 init finished in 5969 usecs PCI: 00:15.1 init ... DW I2C bus 1 at 0xd1133000 (400 KHz) PCI: 00:15.1 init finished in 5968 usecs PCI: 00:16.0 init ... PCI: 00:16.0 init finished in 2249 usecs PCI: 00:19.1 init ... DW I2C bus 5 at 0xd1136000 (400 KHz) PCI: 00:19.1 init finished in 5970 usecs PCI: 00:1c.0 init ... Initializing PCH PCIe bridge. PCI: 00:1c.0 init finished in 5288 usecs PCI: 00:1e.4 init ... PCI: 00:1e.4 init finished in 2240 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 23487 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 23826 usecs PCI: 00:1f.4 init ... PCI: 00:1f.4 init finished in 2260 usecs PCI: 01:00.0 init ... PCI: 01:00.0 init finished in 2395 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 24463 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 2023-04-20 14:13:02 UTC POST: Unexpected post code in previous boot: 0x34 ELOG: Event(A3) added with size 11 at 2023-04-20 14:13:02 UTC ELOG: Event(16) added with size 11 at 2023-04-20 14:13:02 UTC Erasing flash addr 9f0000 + 4 KiB ELOG: Event(92) added with size 9 at 2023-04-20 14:13:02 UTC ELOG: Event(9A) added with size 9 at 2023-04-20 14:13:02 UTC ELOG: Event(AD) added with size 10 at 2023-04-20 14:13:02 UTC ELOG: Event(9F) added with size 14 at 2023-04-20 14:13:02 UTC BS: BS_DEV_INIT times (us): entry 0 run 417435 exit 124774 ELOG: Event(A1) added with size 10 at 2023-04-20 14:13:02 UTC elog_add_boot_reason: Logged recovery mode boot (Dev-switch on), reason: 0x1b ELOG: Event(A0) added with size 9 at 2023-04-20 14:13:02 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 25570 run 3959 exit 5205 BS: BS_OS_RESUME_CHECK times (us): entry 0 run 55 exit 0 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 daa6 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. 7affe900 0000006c COREBOOTFWD 8. 7affe8c0 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 0 run 537565 exit 146842 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() CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CPU physical address size: 39 bits CBFS: Locating 'fallback/payload' CPU physical address size: 39 bits CBFS: Found @ offset 223040 size 360b4 Checking segment from ROM address 0xfff23078 Checking segment from ROM address 0xfff23094 Loading segment from ROM address 0xfff23078 code (compression=0) New segment dstaddr 0x30104020 memsize 0x64d8b0 srcaddr 0xfff230b0 filesize 0x3607c Loading Segment: addr: 0x30104020 memsz: 0x000000000064d8b0 filesz: 0x000000000003607c it's not compressed! [ 0x30104020, 3013a09c, 0x307518d0) <- fff230b0 Clearing Segment: addr: 0x000000003013a09c memsz: 0x0000000000617834 Loading segment from ROM address 0xfff23094 Entry Point 0x30104020 Loaded segments Finalizing chipset. ME: Host Firmware Status Register 1 : 0x90000245 ME: Host Firmware Status Register 2 : 0x6B000306 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 : Power cycle reset through Moff 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 607 run 262138 exit 135692 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 10062621/tftp-deploy-swye0wf9/kernel/bzImage 10062621/tftp-deploy-swye0wf9/kernel/cmdline 10062621/tftp-deploy-swye0wf9/ramdisk/ramdisk.cpio.gz tftpboot 192.168.201.1 10062621/tftp-deploy-swye0wf9/kernel/bzIploy-swye0wf9/kernel/cmdline 10062621/tftp-deploy-swye0wf9/ramdisk/ramdisk.cpio.gz Waiting for link R8152: Initializing Version 9 (ocp_data = 6010) R8152: Done initializing Adding net device done. MAC: 00:e0:4c:68:01:e7 Sending DHCP discover... done. Waiting for reply... done. Sending DHCP request... done. Waiting for reply... done. My ip is 192.168.201.11 The DHCP server ip is 192.168.201.1 TFTP server IP predefined by user: 192.168.201.1 Bootfile predefined by user: 10062621/tftp-deploy-swye0wf9/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 ################# done. The bootfile was 16389856 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 ###################### done. Sending tftp read request... done. Waiting for the transfer... 00000000 # done. Command line loaded dynamically from TFTP file: 10062621/tftp-deploy-swye0wf9/kernel/cmdline The command line is: earlyprintk=uart8250,mmio32,0xde000000,115200n8 console=ttyS0,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/10062621/extract-nfsrootfs-lc0rmr02,tcp,hard 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: 20952547 Starting kernel ... [ 0.000000] Linux version 5.10.178-cip31 (KernelCI@build-j1380617-x86-64-gcc-10-x86-64-defconfig-x86-chromebontb8n) (gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2) #1 SMP Thu Apr 20 13:58:13 UTC 2023 [ 0.000000] Command line: earlyprintk=uart8250,mmio32,0xde000000,115200n8 console=ttyS0,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/10062621/extract-nfsrootfs-lc0rmr02,tcp,hard ip=dhcp tftpserverip=192.168.201.1 [ 0.000000] x86/fpu: Supporting XSAVE feature 0x001: 'x87 floating point registers' [ 0.000000] x86/fpu: Supporting XSAVE feature 0x002: 'SSE registers' [ 0.000000] x86/fpu: Supporting XSAVE feature 0x004: 'AVX registers' [ 0.000000] x86/fpu: Supporting XSAVE feature 0x008: 'MPX bounds registers' [ 0.000000] x86/fpu: Supporting XSAVE feature 0x010: 'MPX CSR' [ 0.000000] x86/fpu: xstate_offset[2]: 576, xstate_sizes[2]: 256 [ 0.000000] x86/fpu: xstate_offset[3]: 832, xstate_sizes[3]: 64 [ 0.000000] x86/fpu: xstate_offset[4]: 896, xstate_sizes[4]: 64 [ 0.000000] x86/fpu: Enabled xstate features 0x1f, context size is 960 bytes, using 'compacted' format. [ 0.000000] BIOS-provided physical RAM map: [ 0.000000] BIOS-e820: [mem 0x0000000000000000-0x0000000000000fff] type 16 [ 0.000000] BIOS-e820: [mem 0x0000000000001000-0x000000000009ffff] usable [ 0.000000] BIOS-e820: [mem 0x00000000000a0000-0x00000000000fffff] reserved [ 0.000000] BIOS-e820: [mem 0x0000000000100000-0x000000007a997fff] usable [ 0.000000] BIOS-e820: [mem 0x000000007a998000-0x000000007affffff] type 16 [ 0.000000] BIOS-e820: [mem 0x000000007b000000-0x000000007fffffff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000e0000000-0x00000000e3ffffff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000fe000000-0x00000000fe00ffff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000fed10000-0x00000000fed19fff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000fed80000-0x00000000fed84fff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000fed90000-0x00000000fed91fff] reserved [ 0.000000] BIOS-e820: [mem 0x0000000100000000-0x000000017effffff] usable [ 0.000000] NX (Execute Disable) protection: active [ 0.000000] SMBIOS 2.7 present. [ 0.000000] DMI: Google Rammus/Rammus, BIOS 09/04/2020 [ 0.000000] tsc: Detected 1600.000 MHz processor [ 0.000000] tsc: Detected 1599.960 MHz TSC [ 0.000055] last_pfn = 0x17f000 max_arch_pfn = 0x400000000 [ 0.001390] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT [ 0.007149] last_pfn = 0x7a998 max_arch_pfn = 0x400000000 [ 0.026298] check: Scanning 1 areas for low memory corruption [ 0.026311] Using GB pages for direct mapping [ 0.027142] RAMDISK: [mem 0x375d5000-0x37ffffff] [ 0.027150] ACPI: Early table checksum verification disabled [ 0.027158] ACPI: RSDP 0x00000000000F0000 000024 (v02 CORE ) [ 0.027171] ACPI: XSDT 0x000000007AA9A0E0 00006C (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.027188] ACPI: FACP 0x000000007AA9E970 0000F4 (v04 CORE COREBOOT 00000000 CORE 00000000) [ 0.027205] ACPI: DSDT 0x000000007AA9A280 0046E3 (v05 COREv4 COREBOOT 20110725 INTL 20180531) [ 0.027218] ACPI: FACS 0x000000007AA9A240 000040 [ 0.027229] ACPI: FACS 0x000000007AA9A240 000040 [ 0.027240] ACPI: SSDT 0x000000007AA9EA70 000EFA (v02 CORE COREBOOT 0000002A CORE 0000002A) [ 0.027252] ACPI: MCFG 0x000000007AA9F970 00003C (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.027265] ACPI: TPM2 0x000000007AA9F9B0 000040 (v04 CORE COREBOOT 00000000 CORE 00000000) [ 0.027277] ACPI: APIC 0x000000007AA9F9F0 00006C (v02 CORE COREBOOT 00000000 CORE 00000000) [ 0.027289] ACPI: NHLT 0x000000007AA9FA60 001B1C (v05 GOOGLE RAMMUS 00000000 CORE 00000000) [ 0.027301] ACPI: DMAR 0x000000007AAA1580 000088 (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.027313] ACPI: DBG2 0x000000007AAA3610 000061 (v00 CORE COREBOOT 00000000 CORE 00000000) [ 0.027325] ACPI: HPET 0x000000007AAA3680 000038 (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.027337] ACPI: Reserving FACP table memory at [mem 0x7aa9e970-0x7aa9ea63] [ 0.027342] ACPI: Reserving DSDT table memory at [mem 0x7aa9a280-0x7aa9e962] [ 0.027347] ACPI: Reserving FACS table memory at [mem 0x7aa9a240-0x7aa9a27f] [ 0.027352] ACPI: Reserving FACS table memory at [mem 0x7aa9a240-0x7aa9a27f] [ 0.027356] ACPI: Reserving SSDT table memory at [mem 0x7aa9ea70-0x7aa9f969] [ 0.027361] ACPI: Reserving MCFG table memory at [mem 0x7aa9f970-0x7aa9f9ab] [ 0.027366] ACPI: Reserving TPM2 table memory at [mem 0x7aa9f9b0-0x7aa9f9ef] [ 0.027371] ACPI: Reserving APIC table memory at [mem 0x7aa9f9f0-0x7aa9fa5b] [ 0.027375] ACPI: Reserving NHLT table memory at [mem 0x7aa9fa60-0x7aaa157b] [ 0.027380] ACPI: Reserving DMAR table memory at [mem 0x7aaa1580-0x7aaa1607] [ 0.027385] ACPI: Reserving DBG2 table memory at [mem 0x7aaa3610-0x7aaa3670] [ 0.027390] ACPI: Reserving HPET table memory at [mem 0x7aaa3680-0x7aaa36b7] [ 0.027529] No NUMA configuration found [ 0.027534] Faking a node at [mem 0x0000000000000000-0x000000017effffff] [ 0.027544] NODE_DATA(0) allocated [mem 0x17effa000-0x17effdfff] [ 0.027590] Zone ranges: [ 0.027595] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 0.027603] DMA32 [mem 0x0000000001000000-0x00000000ffffffff] [ 0.027610] Normal [mem 0x0000000100000000-0x000000017effffff] [ 0.027617] Movable zone start for each node [ 0.027622] Early memory node ranges [ 0.027627] node 0: [mem 0x0000000000001000-0x000000000009ffff] [ 0.027632] node 0: [mem 0x0000000000100000-0x000000007a997fff] [ 0.027637] node 0: [mem 0x0000000100000000-0x000000017effffff] [ 0.027643] Initmem setup node 0 [mem 0x0000000000001000-0x000000017effffff] [ 0.027678] On node 0, zone DMA: 1 pages in unavailable ranges [ 0.027724] On node 0, zone DMA: 96 pages in unavailable ranges [ 0.039452] On node 0, zone Normal: 22120 pages in unavailable ranges [ 0.039545] On node 0, zone Normal: 4096 pages in unavailable ranges [ 0.039572] Reserving Intel graphics memory at [mem 0x7c000000-0x7fffffff] [ 0.039934] ACPI: PM-Timer IO Port: 0x1808 [ 0.039990] IOAPIC[0]: apic_id 2, version 32, address 0xfec00000, GSI 0-119 [ 0.040003] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl) [ 0.040010] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) [ 0.040024] Using ACPI (MADT) for SMP configuration information [ 0.040031] ACPI: HPET id: 0x8086a701 base: 0xfed00000 [ 0.040039] TSC deadline timer available [ 0.040044] smpboot: Allowing 4 CPUs, 0 hotplug CPUs [ 0.040075] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] [ 0.040081] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000fffff] [ 0.040088] PM: hibernation: Registered nosave memory: [mem 0x7a998000-0x7affffff] [ 0.040092] PM: hibernation: Registered nosave memory: [mem 0x7b000000-0x7fffffff] [ 0.040097] PM: hibernation: Registered nosave memory: [mem 0x80000000-0xdfffffff] [ 0.040101] PM: hibernation: Registered nosave memory: [mem 0xe0000000-0xe3ffffff] [ 0.040106] PM: hibernation: Registered nosave memory: [mem 0xe4000000-0xfdffffff] [ 0.040110] PM: hibernation: Registered nosave memory: [mem 0xfe000000-0xfe00ffff] [ 0.040114] PM: hibernation: Registered nosave memory: [mem 0xfe010000-0xfed0ffff] [ 0.040119] PM: hibernation: Registered nosave memory: [mem 0xfed10000-0xfed19fff] [ 0.040123] PM: hibernation: Registered nosave memory: [mem 0xfed1a000-0xfed7ffff] [ 0.040128] PM: hibernation: Registered nosave memory: [mem 0xfed80000-0xfed84fff] [ 0.040132] PM: hibernation: Registered nosave memory: [mem 0xfed85000-0xfed8ffff] [ 0.040136] PM: hibernation: Registered nosave memory: [mem 0xfed90000-0xfed91fff] [ 0.040141] PM: hibernation: Registered nosave memory: [mem 0xfed92000-0xffffffff] [ 0.040149] [mem 0x80000000-0xdfffffff] available for PCI devices [ 0.040157] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1910969940391419 ns [ 0.057587] setup_percpu: NR_CPUS:64 nr_cpumask_bits:64 nr_cpu_ids:4 nr_node_ids:1 [ 0.057880] percpu: Embedded 59 pages/cpu s200848 r8192 d32624 u524288 [ 0.057964] Built 1 zonelists, mobility grouping on. Total pages: 1006266 [ 0.057969] Policy zone: Normal [ 0.057984] Kernel command line: earlyprintk=uart8250,mmio32,0xde000000,115200n8 console=ttyS0,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/10062621/extract-nfsrootfs-lc0rmr02,tcp,hard ip=dhcp tftpserverip=192.168.201.1 [ 0.058563] Dentry cache hash table entries: 524288 (order: 10, 4194304 bytes, linear) [ 0.058827] Inode-cache hash table entries: 262144 (order: 9, 2097152 bytes, linear) [ 0.058921] mem auto-init: stack:off, heap alloc:off, heap free:off [ 0.081152] Memory: 3878180K/4089052K available (22546K kernel code, 3691K rwdata, 9376K rodata, 2144K init, 14104K bss, 210612K reserved, 0K cma-reserved) [ 0.081307] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1 [ 0.081367] Kernel/User page tables isolation: enabled [ 0.081458] ftrace: allocating 60731 entries in 238 pages [ 0.150150] ftrace: allocated 238 pages with 6 groups [ 0.150452] Running RCU self tests [ 0.150468] rcu: Hierarchical RCU implementation. [ 0.150473] rcu: RCU event tracing is enabled. [ 0.150477] rcu: RCU lockdep checking is enabled. [ 0.150482] rcu: RCU restricting CPUs from NR_CPUS=64 to nr_cpu_ids=4. [ 0.150487] Rude variant of Tasks RCU enabled. [ 0.150491] Tracing variant of Tasks RCU enabled. [ 0.150496] rcu: RCU calculated value of scheduler-enlistment delay is 100 jiffies. [ 0.150501] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=4 [ 0.161925] NR_IRQS: 4352, nr_irqs: 1024, preallocated irqs: 16 [ 0.162438] random: crng init done [ 0.162556] Console: colour dummy device 80x25 [ 0.237844] printk: console [ttyS0] enabled [ 0.238213] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 0.238876] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 0.239237] ... MAX_LOCK_DEPTH: 48 [ 0.239605] ... MAX_LOCKDEP_KEYS: 8192 [ 0.239987] ... CLASSHASH_SIZE: 4096 [ 0.240370] ... MAX_LOCKDEP_ENTRIES: 32768 [ 0.240759] ... MAX_LOCKDEP_CHAINS: 65536 [ 0.241149] ... CHAINHASH_SIZE: 32768 [ 0.241538] memory used by lock dependency info: 6365 kB [ 0.242006] memory used for stack traces: 4224 kB [ 0.242424] per task-struct memory footprint: 1920 bytes [ 0.242952] ACPI: Core revision 20200925 [ 0.243525] hpet: HPET dysfunctional in PC10. Force disabled. [ 0.244025] APIC: Switch to symmetric I/O mode setup [ 0.248446] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x170fff30cc4, max_idle_ns: 440795237869 ns [ 0.249368] Calibrating delay loop (skipped), value calculated using timer frequency.. 3199.92 BogoMIPS (lpj=1599960) [ 0.250275] pid_max: default: 32768 minimum: 301 [ 0.250350] LSM: Security Framework initializing [ 0.250350] SELinux: Initializing. [ 0.250350] LSM support for eBPF active [ 0.250350] Mount-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) [ 0.250350] Mountpoint-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) [ 0.250350] mce: CPU0: Thermal monitoring enabled (TM1) [ 0.250350] process: using mwait in idle threads [ 0.250350] Last level iTLB entries: 4KB 64, 2MB 8, 4MB 8 [ 0.250350] Last level dTLB entries: 4KB 64, 2MB 0, 4MB 0, 1GB 4 [ 0.250350] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization [ 0.250350] Spectre V2 : Mitigation: IBRS [ 0.250350] Spectre V2 : Spectre v2 / SpectreRSB mitigation: Filling RSB on context switch [ 0.250350] Spectre V2 : Spectre v2 / SpectreRSB : Filling RSB on VMEXIT [ 0.250350] RETBleed: Mitigation: IBRS [ 0.250350] Spectre V2 : mitigation: Enabling conditional Indirect Branch Prediction Barrier [ 0.250350] Spectre V2 : User space: Mitigation: STIBP via seccomp and prctl [ 0.250350] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl and seccomp [ 0.250350] MDS: Vulnerable: Clear CPU buffers attempted, no microcode [ 0.250350] MMIO Stale Data: Vulnerable: Clear CPU buffers attempted, no microcode [ 0.250350] SRBDS: Vulnerable: No microcode [ 0.250350] ------------[ cut here ]------------ [ 0.250350] missing return thunk: lkdtm_rodata_do_nothing+0x0/0x10-lkdtm_rodata_do_nothing+0x5/0x10: e9 00 00 00 00 [ 0.250350] WARNING: CPU: 0 PID: 0 at arch/x86/kernel/alternative.c:712 apply_returns+0x1f5/0x220 [ 0.250350] Modules linked in: [ 0.250350] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.10.178-cip31 #1 [ 0.250350] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 0.250350] RIP: 0010:apply_returns+0x1f5/0x220 [ 0.250350] Code: 46 02 00 0f 85 e1 fe ff ff 49 89 e8 b9 05 00 00 00 4c 89 f2 48 89 ee 48 c7 c7 00 55 6f 8d c6 05 2b ee 46 02 01 e8 e4 aa 10 01 <0f> 0b e9 b9 fe ff ff 44 89 f9 c7 00 cc cc cc cc c7 44 08 fc cc cc [ 0.250350] RSP: 0000:ffffffff8da03de0 EFLAGS: 00010282 [ 0.250350] RAX: 0000000000000000 RBX: ffffffff8e609018 RCX: 0000000000000000 [ 0.250350] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff8b977b21 [ 0.250350] RBP: ffffffff8d37e540 R08: 0000000000000001 R09: 0000000000000001 [ 0.250350] R10: ffffffff8da8fe40 R11: 3fffffffffffffff R12: ffffffff8e6210ac [ 0.250350] R13: cccccccccccccccc R14: ffffffff8d37e545 R15: 0000000000000004 [ 0.250350] FS: 0000000000000000(0000) GS:ffff8c057ac00000(0000) knlGS:0000000000000000 [ 0.250350] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 0.250350] CR2: ffff8c057efff000 CR3: 000000002d826001 CR4: 00000000003706f0 [ 0.250350] Call Trace: [ 0.250350] alternative_instructions+0x7d/0x143 [ 0.250350] check_bugs+0xe9f/0xefb [ 0.250350] start_kernel+0x517/0x54d [ 0.250350] secondary_startup_64_no_verify+0xc2/0xcb [ 0.250350] irq event stamp: 198695 [ 0.250350] hardirqs last enabled at (198703): [] console_unlock+0x4d1/0x5f0 [ 0.250350] hardirqs last disabled at (198710): [] console_unlock+0x444/0x5f0 [ 0.250350] softirqs last enabled at (1812): [] cgroup_idr_alloc.constprop.0+0x5b/0xe0 [ 0.250350] softirqs last disabled at (1810): [] cgroup_idr_alloc.constprop.0+0x2e/0xe0 [ 0.250350] ---[ end trace 7e1796e8a934a108 ]--- [ 0.250350] Freeing SMP alternatives memory: 48K [ 0.250350] smpboot: CPU0: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz (family: 0x6, model: 0x8e, stepping: 0x9) [ 0.251213] Performance Events: PEBS fmt3+, Skylake events, 32-deep LBR, full-width counters, Intel PMU driver. [ 0.251369] ... version: 4 [ 0.251726] ... bit width: 48 [ 0.252089] ... generic registers: 4 [ 0.252357] ... value mask: 0000ffffffffffff [ 0.252822] ... max period: 00007fffffffffff [ 0.253284] ... fixed-purpose events: 3 [ 0.253356] ... event mask: 000000070000000f [ 0.254471] rcu: Hierarchical SRCU implementation. [ 0.257138] smp: Bringing up secondary CPUs ... [ 0.258202] x86: Booting SMP configuration: [ 0.258381] .... node #0, CPUs: #1 [ 0.259784] 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. [ 0.260360] 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. [ 0.262020] #2 #3 [ 0.264843] smp: Brought up 1 node, 4 CPUs [ 0.265374] smpboot: Max logical packages: 1 [ 0.265754] smpboot: Total of 4 processors activated (12799.68 BogoMIPS) [ 0.268788] devtmpfs: initialized [ 0.269740] x86/mm: Memory block size: 128MB [ 0.274478] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1911260446275000 ns [ 0.275373] futex hash table entries: 1024 (order: 5, 131072 bytes, linear) [ 0.276508] pinctrl core: initialized pinctrl subsystem [ 0.278190] PM: RTC time: 14:13:19, date: 2023-04-20 [ 0.279068] NET: Registered protocol family 16 [ 0.280234] audit: initializing netlink subsys (disabled) [ 0.280416] audit: type=2000 audit(1681999999.031:1): state=initialized audit_enabled=0 res=1 [ 0.281221] thermal_sys: Registered thermal governor 'step_wise' [ 0.281227] thermal_sys: Registered thermal governor 'user_space' [ 0.281458] cpuidle: using governor menu [ 0.282539] ACPI: bus type PCI registered [ 0.283434] PCI: MMCONFIG for domain 0000 [bus 00-3f] at [mem 0xe0000000-0xe3ffffff] (base 0xe0000000) [ 0.284234] PCI: MMCONFIG at [mem 0xe0000000-0xe3ffffff] reserved in E820 [ 0.284396] PCI: Using configuration type 1 for base access [ 0.323813] Kprobes globally optimized [ 0.324528] HugeTLB registered 1.00 GiB page size, pre-allocated 0 pages [ 0.324966] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages [ 0.325573] cryptomgr_test (39) used greatest stack depth: 15272 bytes left [ 0.326362] cryptomgr_test (38) used greatest stack depth: 14880 bytes left [ 0.329561] ACPI: Added _OSI(Module Device) [ 0.329935] ACPI: Added _OSI(Processor Device) [ 0.330326] ACPI: Added _OSI(3.0 _SCP Extensions) [ 0.330359] ACPI: Added _OSI(Processor Aggregator Device) [ 0.330833] ACPI: Added _OSI(Linux-Dell-Video) [ 0.331225] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio) [ 0.331358] ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics) [ 0.344902] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 0.353645] ACPI: EC: EC started [ 0.353960] ACPI: EC: interrupt blocked [ 0.355100] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62 [ 0.355363] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC used to handle transactions [ 0.356000] ACPI: Interpreter enabled [ 0.356385] ACPI: (supports S0 S3 S4 S5) [ 0.356736] ACPI: Using IOAPIC for interrupt routing [ 0.357253] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug [ 0.375531] ACPI: Power Resource [PRIC] (on) [ 0.506697] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 0.507247] acpi PNP0A08:00: _OSC: OS supports [ExtendedConfig ASPM ClockPM Segments MSI HPX-Type3] [ 0.507670] acpi PNP0A08:00: _OSC: OS now controls [PME PCIeCapability LTR] [ 0.508348] acpi PNP0A08:00: [Firmware Info]: MMCONFIG for domain 0000 [bus 00-3f] only partially covers this bridge [ 0.509946] PCI host bridge to bus 0000:00 [ 0.510316] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 0.510360] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] [ 0.510949] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 0.511358] pci_bus 0000:00: root bus resource [mem 0x000c0000-0x000c3fff window] [ 0.512003] pci_bus 0000:00: root bus resource [mem 0x000c4000-0x000c7fff window] [ 0.512359] pci_bus 0000:00: root bus resource [mem 0x000c8000-0x000cbfff window] [ 0.513004] pci_bus 0000:00: root bus resource [mem 0x000cc000-0x000cffff window] [ 0.513358] pci_bus 0000:00: root bus resource [mem 0x000d0000-0x000d3fff window] [ 0.514003] pci_bus 0000:00: root bus resource [mem 0x000d4000-0x000d7fff window] [ 0.514358] pci_bus 0000:00: root bus resource [mem 0x000d8000-0x000dbfff window] [ 0.515003] pci_bus 0000:00: root bus resource [mem 0x000dc000-0x000dffff window] [ 0.515358] pci_bus 0000:00: root bus resource [mem 0x000e0000-0x000e3fff window] [ 0.516003] pci_bus 0000:00: root bus resource [mem 0x000e4000-0x000e7fff window] [ 0.516358] pci_bus 0000:00: root bus resource [mem 0x000e8000-0x000ebfff window] [ 0.517003] pci_bus 0000:00: root bus resource [mem 0x000ec000-0x000effff window] [ 0.517358] pci_bus 0000:00: root bus resource [mem 0x000f0000-0x000fffff window] [ 0.518003] pci_bus 0000:00: root bus resource [mem 0x80000001-0xdfffffff window] [ 0.518358] pci_bus 0000:00: root bus resource [mem 0x800000000-0xbffffffff window] [ 0.519017] pci_bus 0000:00: root bus resource [mem 0xfd000000-0xfe7fffff window] [ 0.519358] pci_bus 0000:00: root bus resource [mem 0xfed40000-0xfed44fff window] [ 0.520005] pci_bus 0000:00: root bus resource [bus 00-ff] [ 0.520460] pci 0000:00:00.0: [8086:590c] type 00 class 0x060000 [ 0.522129] pci 0000:00:02.0: [8086:591c] type 00 class 0x030000 [ 0.522384] pci 0000:00:02.0: reg 0x10: [mem 0xd0000000-0xd0ffffff 64bit] [ 0.522986] pci 0000:00:02.0: reg 0x18: [mem 0xc0000000-0xcfffffff 64bit pref] [ 0.523367] pci 0000:00:02.0: reg 0x20: [io 0x1c00-0x1c3f] [ 0.524564] pci 0000:00:04.0: [8086:1903] type 00 class 0x118000 [ 0.525114] pci 0000:00:04.0: reg 0x10: [mem 0xd1120000-0xd1127fff 64bit] [ 0.526186] pci 0000:00:08.0: [8086:1911] type 00 class 0x088000 [ 0.526386] pci 0000:00:08.0: reg 0x10: [mem 0xd1130000-0xd1130fff 64bit] [ 0.527694] pci 0000:00:14.0: [8086:9d2f] type 00 class 0x0c0330 [ 0.528249] pci 0000:00:14.0: reg 0x10: [mem 0xd1100000-0xd110ffff 64bit] [ 0.528517] pci 0000:00:14.0: PME# supported from D3hot D3cold [ 0.529862] pci 0000:00:14.2: [8086:9d31] type 00 class 0x118000 [ 0.530398] pci 0000:00:14.2: reg 0x10: [mem 0xd1131000-0xd1131fff 64bit] [ 0.531728] pci 0000:00:15.0: [8086:9d60] type 00 class 0x118000 [ 0.532290] pci 0000:00:15.0: reg 0x10: [mem 0xd1132000-0xd1132fff 64bit] [ 0.533249] pci 0000:00:15.1: [8086:9d61] type 00 class 0x118000 [ 0.533406] pci 0000:00:15.1: reg 0x10: [mem 0xd1133000-0xd1133fff 64bit] [ 0.534911] pci 0000:00:19.0: [8086:9d66] type 00 class 0x118000 [ 0.535406] pci 0000:00:19.0: reg 0x10: [mem 0xfe034000-0xfe034fff 64bit] [ 0.536018] pci 0000:00:19.0: reg 0x18: [mem 0xd1135000-0xd1135fff 64bit] [ 0.537214] pci 0000:00:19.1: [8086:9d65] type 00 class 0x118000 [ 0.537405] pci 0000:00:19.1: reg 0x10: [mem 0xd1136000-0xd1136fff 64bit] [ 0.538896] pci 0000:00:1c.0: [8086:9d10] type 01 class 0x060400 [ 0.539569] pci 0000:00:1c.0: PME# supported from D0 D3hot D3cold [ 0.540941] pci 0000:00:1e.0: [8086:9d27] type 00 class 0x118000 [ 0.541406] pci 0000:00:1e.0: reg 0x10: [mem 0xd1137000-0xd1137fff 64bit] [ 0.542877] pci 0000:00:1e.2: [8086:9d29] type 00 class 0x118000 [ 0.543406] pci 0000:00:1e.2: reg 0x10: [mem 0xd1138000-0xd1138fff 64bit] [ 0.544870] pci 0000:00:1e.4: [8086:9d2b] type 00 class 0x080501 [ 0.545400] pci 0000:00:1e.4: reg 0x10: [mem 0xd1139000-0xd1139fff 64bit] [ 0.546983] pci 0000:00:1e.6: [8086:9d2d] type 00 class 0x080501 [ 0.547400] pci 0000:00:1e.6: reg 0x10: [mem 0xd113a000-0xd113afff 64bit] [ 0.548831] pci 0000:00:1f.0: [8086:9d4b] type 00 class 0x060100 [ 0.550196] pci 0000:00:1f.2: [8086:9d21] type 00 class 0x058000 [ 0.550394] pci 0000:00:1f.2: reg 0x10: [mem 0xd1128000-0xd112bfff] [ 0.551775] pci 0000:00:1f.3: [8086:9d71] type 00 class 0x040100 [ 0.552335] pci 0000:00:1f.3: reg 0x10: [mem 0xd112c000-0xd112ffff 64bit] [ 0.552427] pci 0000:00:1f.3: reg 0x20: [mem 0xd1110000-0xd111ffff 64bit] [ 0.553120] pci 0000:00:1f.3: PME# supported from D3hot D3cold [ 0.554175] pci 0000:00:1f.4: [8086:9d23] type 00 class 0x0c0500 [ 0.554425] pci 0000:00:1f.4: reg 0x10: [mem 0xd113c000-0xd113c0ff 64bit] [ 0.555082] pci 0000:00:1f.4: reg 0x20: [io 0xefa0-0xefbf] [ 0.556155] pci 0000:00:1f.5: [8086:9d24] type 00 class 0x000000 [ 0.556392] pci 0000:00:1f.5: reg 0x10: [mem 0xfe010000-0xfe010fff] [ 0.558046] pci 0000:01:00.0: [8086:095a] type 00 class 0x028000 [ 0.558746] pci 0000:01:00.0: reg 0x10: [mem 0xd1000000-0xd1001fff 64bit] [ 0.561051] pci 0000:01:00.0: PME# supported from D0 D3hot D3cold [ 0.563376] pci 0000:00:1c.0: PCI bridge to [bus 01] [ 0.563823] pci 0000:00:1c.0: bridge window [mem 0xd1000000-0xd10fffff] [ 0.565814] ACPI: PCI Interrupt Link [LNKA] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.566655] ACPI: PCI Interrupt Link [LNKB] (IRQs 3 4 5 6 *10 12 14 15) [ 0.567548] ACPI: PCI Interrupt Link [LNKC] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.568483] ACPI: PCI Interrupt Link [LNKD] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.569405] ACPI: PCI Interrupt Link [LNKE] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.570325] ACPI: PCI Interrupt Link [LNKF] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.571251] ACPI: PCI Interrupt Link [LNKG] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.571659] ACPI: PCI Interrupt Link [LNKH] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.578485] ACPI: EC: interrupt unblocked [ 0.578855] ACPI: EC: event unblocked [ 0.579194] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62 [ 0.579357] ACPI: EC: GPE=0x6e [ 0.579639] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC initialization complete [ 0.580249] ACPI: \_SB_.PCI0.LPCB.EC0_: EC: Used to handle transactions and events [ 0.580821] iommu: Default domain type: Translated [ 0.581584] pci 0000:00:02.0: vgaarb: setting as boot VGA device [ 0.581987] pci 0000:00:02.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none [ 0.582384] pci 0000:00:02.0: vgaarb: bridge control possible [ 0.582885] vgaarb: loaded [ 0.583779] SCSI subsystem initialized [ 0.584618] ACPI: bus type USB registered [ 0.585537] usbcore: registered new interface driver usbfs [ 0.586081] usbcore: registered new interface driver hub [ 0.586402] usbcore: registered new device driver usb [ 0.586972] mc: Linux media interface: v0.10 [ 0.587383] videodev: Linux video capture interface: v2.00 [ 0.587900] pps_core: LinuxPPS API ver. 1 registered [ 0.588335] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 0.588368] PTP clock support registered [ 0.588787] Advanced Linux Sound Architecture Driver Initialized. [ 0.590394] NetLabel: Initializing [ 0.590702] NetLabel: domain hash size = 128 [ 0.591085] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO [ 0.591441] NetLabel: unlabeled traffic allowed by default [ 0.592516] PCI: Using ACPI for IRQ routing [ 0.601164] clocksource: Switched to clocksource tsc-early [ 1.037901] VFS: Disk quotas dquot_6.6.0 [ 1.038307] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 1.039408] pnp: PnP ACPI init [ 1.040573] system 00:00: [mem 0xfed10000-0xfed17fff] has been reserved [ 1.041153] system 00:00: [mem 0xfed18000-0xfed18fff] has been reserved [ 1.041746] system 00:00: [mem 0xfed19000-0xfed19fff] has been reserved [ 1.042321] system 00:00: [mem 0xe0000000-0xe3ffffff] has been reserved [ 1.042911] system 00:00: [mem 0xfed20000-0xfed3ffff] has been reserved [ 1.043501] system 00:00: [mem 0xfed90000-0xfed93fff] could not be reserved [ 1.044106] system 00:00: [mem 0xfed45000-0xfed8ffff] could not be reserved [ 1.044723] system 00:00: [mem 0xff000000-0xffffffff] has been reserved [ 1.045301] system 00:00: [mem 0xfee00000-0xfeefffff] has been reserved [ 1.045889] system 00:00: [mem 0xfed00000-0xfed003ff] has been reserved [ 1.047448] system 00:01: [io 0x1800-0x18fe] has been reserved [ 1.048392] system 00:03: [io 0x0900-0x09fe] has been reserved [ 1.049173] system 00:04: [io 0x0200] has been reserved [ 1.049658] system 00:04: [io 0x0204] has been reserved [ 1.050127] system 00:04: [io 0x0800-0x087f] has been reserved [ 1.050658] system 00:04: [io 0x0880-0x08ff] has been reserved [ 1.053709] pnp: PnP ACPI: found 6 devices [ 1.070019] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns [ 1.070931] NET: Registered protocol family 2 [ 1.071514] IP idents hash table entries: 65536 (order: 7, 524288 bytes, linear) [ 1.074013] tcp_listen_portaddr_hash hash table entries: 2048 (order: 5, 163840 bytes, linear) [ 1.075036] TCP established hash table entries: 32768 (order: 6, 262144 bytes, linear) [ 1.075956] TCP bind hash table entries: 32768 (order: 9, 2359296 bytes, linear) [ 1.078867] TCP: Hash tables configured (established 32768 bind 32768) [ 1.079818] MPTCP token hash table entries: 4096 (order: 6, 360448 bytes, linear) [ 1.080812] UDP hash table entries: 2048 (order: 6, 327680 bytes, linear) [ 1.081741] UDP-Lite hash table entries: 2048 (order: 6, 327680 bytes, linear) [ 1.082842] NET: Registered protocol family 1 [ 1.083973] RPC: Registered named UNIX socket transport module. [ 1.084540] RPC: Registered udp transport module. [ 1.084955] RPC: Registered tcp transport module. [ 1.085382] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 1.086612] NET: Registered protocol family 44 [ 1.087028] pci 0000:00:1c.0: PCI bridge to [bus 01] [ 1.087506] pci 0000:00:1c.0: bridge window [mem 0xd1000000-0xd10fffff] [ 1.088107] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7 window] [ 1.088661] pci_bus 0000:00: resource 5 [io 0x0d00-0xffff window] [ 1.089198] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window] [ 1.089803] pci_bus 0000:00: resource 7 [mem 0x000c0000-0x000c3fff window] [ 1.090408] pci_bus 0000:00: resource 8 [mem 0x000c4000-0x000c7fff window] [ 1.091002] pci_bus 0000:00: resource 9 [mem 0x000c8000-0x000cbfff window] [ 1.091606] pci_bus 0000:00: resource 10 [mem 0x000cc000-0x000cffff window] [ 1.092208] pci_bus 0000:00: resource 11 [mem 0x000d0000-0x000d3fff window] [ 1.092892] pci_bus 0000:00: resource 12 [mem 0x000d4000-0x000d7fff window] [ 1.093507] pci_bus 0000:00: resource 13 [mem 0x000d8000-0x000dbfff window] [ 1.094108] pci_bus 0000:00: resource 14 [mem 0x000dc000-0x000dffff window] [ 1.094770] pci_bus 0000:00: resource 15 [mem 0x000e0000-0x000e3fff window] [ 1.095385] pci_bus 0000:00: resource 16 [mem 0x000e4000-0x000e7fff window] [ 1.095986] pci_bus 0000:00: resource 17 [mem 0x000e8000-0x000ebfff window] [ 1.096599] pci_bus 0000:00: resource 18 [mem 0x000ec000-0x000effff window] [ 1.097201] pci_bus 0000:00: resource 19 [mem 0x000f0000-0x000fffff window] [ 1.097813] pci_bus 0000:00: resource 20 [mem 0x80000001-0xdfffffff window] [ 1.098427] pci_bus 0000:00: resource 21 [mem 0x800000000-0xbffffffff window] [ 1.099043] pci_bus 0000:00: resource 22 [mem 0xfd000000-0xfe7fffff window] [ 1.099655] pci_bus 0000:00: resource 23 [mem 0xfed40000-0xfed44fff window] [ 1.100257] pci_bus 0000:01: resource 1 [mem 0xd1000000-0xd10fffff] [ 1.101300] pci 0000:00:02.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff] [ 1.104171] PCI: CLS 64 bytes, default 64 [ 1.104957] Unpacking initramfs... [ 1.567909] Freeing initrd memory: 10412K [ 1.568436] DMAR: Host address width 39 [ 1.568815] DMAR: DRHD base: 0x000000fed90000 flags: 0x0 [ 1.569352] DMAR: dmar0: reg_base_addr fed90000 ver 1:0 cap 1c0000c40660462 ecap 19e2ff0505e [ 1.570092] DMAR: RMRR base: 0x0000007b800000 end: 0x0000007fffffff [ 1.570694] DMAR: DRHD base: 0x000000fed91000 flags: 0x1 [ 1.571179] DMAR: dmar1: reg_base_addr fed91000 ver 1:0 cap d2008c40660462 ecap f050da [ 1.571983] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) [ 1.572558] software IO TLB: mapped [mem 0x0000000076998000-0x000000007a998000] (64MB) [ 1.573502] RAPL PMU: API unit is 2^-32 Joules, 5 fixed counters, 655360 ms ovfl timer [ 1.574184] RAPL PMU: hw unit of domain pp0-core 2^-14 Joules [ 1.574697] RAPL PMU: hw unit of domain package 2^-14 Joules [ 1.575190] RAPL PMU: hw unit of domain dram 2^-14 Joules [ 1.575678] RAPL PMU: hw unit of domain pp1-gpu 2^-14 Joules [ 1.576172] RAPL PMU: hw unit of domain psys 2^-14 Joules [ 1.578583] kvm: already loaded the other module [ 1.586895] check: Scanning for low memory corruption every 60 seconds [ 1.590956] Initialise system trusted keyrings [ 1.591647] workingset: timestamp_bits=56 max_order=20 bucket_order=0 [ 1.613304] NFS: Registering the id_resolver key type [ 1.613815] Key type id_resolver registered [ 1.614216] Key type id_legacy registered [ 1.637030] Key type asymmetric registered [ 1.637451] Asymmetric key parser 'x509' registered [ 1.637935] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 248) [ 1.638608] io scheduler mq-deadline registered [ 1.639010] io scheduler kyber registered [ 1.639635] test_firmware: interface ready [ 1.641668] pcieport 0000:00:1c.0: PME: Signaling with IRQ 120 [ 1.643607] ACPI: AC Adapter [AC] (on-line) [ 1.644416] input: Lid Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:03/PNP0C09:00/PNP0C0D:00/input/input0 [ 1.646277] ACPI: Lid Switch [LID0] [ 1.646890] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input1 [ 1.647819] ACPI: Power Button [PWRF] [ 1.648627] ACPI: \_PR_.CP00: Found 3 idle states [ 1.649979] ACPI: \_PR_.CP01: Found 3 idle states [ 1.651013] ACPI: \_PR_.CP02: Found 3 idle states [ 1.652088] ACPI: \_PR_.CP03: Found 3 idle states [ 1.653749] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 1.657912] hpet_acpi_add: no address or irqs in _CRS [ 1.658562] battery: ACPI: Battery Slot [BAT0] (battery present) [ 1.658630] Non-volatile memory driver v1.3 [ 1.659673] Linux agpgart interface v0.103 [ 1.660583] [drm] amdgpu kernel modesetting enabled. [ 1.663700] i915 0000:00:02.0: vgaarb: deactivate vga console [ 1.716921] i915 0000:00:02.0: vgaarb: changed VGA decodes: olddecodes=io+mem,decodes=io+mem:owns=io+mem [ 1.718730] i915 0000:00:02.0: [drm] Finished loading DMC firmware i915/kbl_dmc_ver1_04.bin (v1.4) [ 1.749752] [drm] Initialized i915 1.6.0 20200917 for 0000:00:02.0 on minor 0 [ 1.753524] [drm] Initialized vgem 1.0.0 20120112 for vgem on minor 1 [ 1.772149] loop: module loaded [ 1.773282] lkdtm: No crash points registered, enable through debugfs [ 1.797466] printk: console [ttyS0] disabled [ 1.798181] dw-apb-uart.2: ttyS0 at MMIO 0xfe034000 (irq = 32, base_baud = 115200) is a 16550A [ 2.585590] tsc: Refined TSC clocksource calibration: 1607.999 MHz [ 2.591470] printk: console [ttyS0] enabled [ 2.598258] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x172da94f0e2, max_idle_ns: 440795278248 ns [ 2.622706] dw-apb-uart.4: ttyS1 at MMIO 0xd1137000 (irq = 20, base_baud = 115200) is a 16550A [ 5.241833] clocksource: Switched to clocksource tsc [ 5.241994] fbcon: i915drmfb (fb0) is primary device [ 5.244031] pxa2xx-spi pxa2xx-spi.5: no DMA channels available, using PIO [ 5.252293] e100: Intel(R) PRO/100 Network Driver [ 5.252297] e100: Copyright(c) 1999-2006 Intel Corporation [ 5.252385] e1000: Intel(R) PRO/1000 Network Driver [ 5.252387] e1000: Copyright (c) 1999-2006 Intel Corporation. [ 5.252470] e1000e: Intel(R) PRO/1000 Network Driver [ 5.252472] e1000e: Copyright(c) 1999 - 2015 Intel Corporation. [ 5.252553] sky2: driver version 1.30 [ 5.252865] usbcore: registered new interface driver r8152 [ 5.253404] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver [ 5.253431] ehci-pci: EHCI PCI platform driver [ 5.253644] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver [ 5.253663] ohci-pci: OHCI PCI platform driver [ 5.253723] uhci_hcd: USB Universal Host Controller Interface driver [ 5.254345] tpm_tis_spi spi-PRP0001:00: TPM ready IRQ confirmed on attempt 2 [ 5.255108] xhci_hcd 0000:00:14.0: xHCI Host Controller [ 5.256287] xhci_hcd 0000:00:14.0: new USB bus registered, assigned bus number 1 [ 5.257780] xhci_hcd 0000:00:14.0: hcc params 0x200077c1 hci version 0x100 quirks 0x0000000081109810 [ 5.257875] xhci_hcd 0000:00:14.0: cache line size of 64 is not supported [ 5.260994] xhci_hcd 0000:00:14.0: xHCI Host Controller [ 5.261958] xhci_hcd 0000:00:14.0: new USB bus registered, assigned bus number 2 [ 5.261971] xhci_hcd 0000:00:14.0: Host supports USB 3.0 SuperSpeed [ 5.262796] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.10 [ 5.262817] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 5.262821] usb usb1: Product: xHCI Host Controller [ 5.262825] usb usb1: Manufacturer: Linux 5.10.178-cip31 xhci-hcd [ 5.262828] usb usb1: SerialNumber: 0000:00:14.0 [ 5.264989] hub 1-0:1.0: USB hub found [ 5.265209] hub 1-0:1.0: 12 ports detected [ 5.269448] usb usb2: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.10 [ 5.269453] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 5.269456] usb usb2: Product: xHCI Host Controller [ 5.269460] usb usb2: Manufacturer: Linux 5.10.178-cip31 xhci-hcd [ 5.269463] usb usb2: SerialNumber: 0000:00:14.0 [ 5.270485] hub 2-0:1.0: USB hub found [ 5.270540] hub 2-0:1.0: 6 ports detected [ 5.272871] usbcore: registered new interface driver usblp [ 5.272975] usbcore: registered new interface driver usb-storage [ 5.273749] udc-core: couldn't find an available UDC - added [g_ether] to list of pending drivers [ 5.273904] i8042: PNP: PS/2 Controller [PNP0303:PS2K] at 0x60,0x64 irq 1 [ 5.273925] i8042: PNP: PS/2 appears to have AUX port disabled, if this is incorrect please boot with i8042.nopnp [ 5.274858] i8042: Warning: Keylock active [ 5.275194] serio: i8042 KBD port at 0x60,0x64 irq 1 [ 5.277539] rtc_cmos 00:02: RTC can wake from S4 [ 5.278754] tpm_tis_spi spi-PRP0001:00: 2.0 TPM (device-id 0x28, rev-id 0) [ 5.280248] input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input2 [ 5.282220] rtc_cmos 00:02: registered as rtc0 [ 5.282520] rtc_cmos 00:02: alarms up to one month, 242 bytes nvram [ 5.283604] i801_smbus 0000:00:1f.4: SPD Write Disable is set [ 5.283649] i801_smbus 0000:00:1f.4: SMBus using PCI interrupt [ 5.284705] i2c i2c-9: 2/2 memory slots populated (from DMI) [ 5.286852] device-mapper: ioctl: 4.43.0-ioctl (2020-10-01) initialised: dm-devel@redhat.com [ 5.286905] intel_pstate: Intel P-state driver initializing [ 5.287537] Console: switching to colour frame buffer device 240x67 [ 5.287871] intel_pstate: HWP enabled [ 5.287903] sdhci: Secure Digital Host Controller Interface driver [ 5.287904] sdhci: Copyright(c) Pierre Ossman [ 5.287932] sdhci-pci 0000:00:1e.4: SDHCI controller found [8086:9d2b] (rev 21) [ 5.288915] mmc0: SDHCI controller on PCI [0000:00:1e.4] using ADMA 64-bit [ 5.289074] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 5.290283] hid: raw HID events driver (C) Jiri Kosina [ 5.290713] usbcore: registered new interface driver usbhid [ 5.290714] usbhid: USB HID core driver [ 5.291058] input: Tablet Mode Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:03/PNP0C09:00/GOOG0006:00/input/input3 [ 5.296448] cros_ec_lpcs GOOG0004:00: Chrome EC device registered [ 5.301524] i915 0000:00:02.0: [drm] fb0: i915drmfb frame buffer device [ 5.505916] mmc0: new HS400 MMC card at address 0001 [ 5.507202] snd_hda_intel 0000:00:1f.3: DSP detected with PCI class/subclass/prog-if info 0x040100 [ 5.515482] mmcblk0: mmc0:0001 DA4064 58.2 GiB [ 5.520786] ipip: IPv4 and MPLS over IPv4 tunneling driver [ 5.526792] mmcblk0boot0: mmc0:0001 DA4064 partition 1 4.00 MiB [ 5.532180] IPv4 over IPsec tunneling driver [ 5.536159] mmcblk0boot1: mmc0:0001 DA4064 partition 2 4.00 MiB [ 5.540844] Initializing XFRM netlink socket [ 5.546871] mmcblk0rpmb: mmc0:0001 DA4064 partition 3 16.0 MiB, chardev (245:0) [ 5.554009] NET: Registered protocol family 10 [ 5.629063] usb 1-3: new full-speed USB device number 2 using xhci_hcd [ 5.634722] Segment Routing with IPv6 [ 5.640265] mmcblk0: p1 p2 p3 p4 p5 p6 p7 p8 p9 p10 p11 p12 [ 5.686138] tpm_tis_spi spi-PRP0001:00: Cr50 firmware version: B2-C:0 RO_B:0.0.11/4d655eab RW_A:0.5.6/cr50_v1.9308_87_mp.510-d2 [ 5.694057] NET: Registered protocol family 17 [ 5.758962] snd_hda_intel 0000:00:1f.3: bound 0000:00:02.0 (ops i915_audio_component_bind_ops) [ 5.768843] Key type dns_resolver registered [ 5.772520] usb 1-3: New USB device found, idVendor=8087, idProduct=0a2a, bcdDevice= 0.03 [ 5.772528] usb 1-3: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 5.788794] snd_hda_intel 0000:00:1f.3: Cannot probe codecs, giving up [ 5.885462] usb 2-3: new SuperSpeed Gen 1 USB device number 2 using xhci_hcd [ 5.890918] microcode: sig=0x806e9, pf=0x10, revision=0x98 [ 5.904643] microcode: Microcode Update Driver: v2.2. [ 5.904650] IPI shorthand broadcast: enabled [ 5.912331] usb 2-3: New USB device found, idVendor=0bda, idProduct=8153, bcdDevice=31.00 [ 5.915112] sched_clock: Marking stable (5828114744, 86958762)->(6043133502, -128059996) [ 5.924249] usb 2-3: New USB device strings: Mfr=1, Product=2, SerialNumber=6 [ 5.924251] usb 2-3: Product: USB 10/100/1000 LAN [ 5.946550] usb 2-3: Manufacturer: Realtek [ 5.946691] registered taskstats version 1 [ 5.951138] usb 2-3: SerialNumber: 001000001 [ 5.960544] Loading compiled-in X.509 certificates [ 5.967553] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 5.977069] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 5.986148] PM: Magic number: 3:144:233 [ 5.990844] printk: console [netcon0] enabled [ 5.995720] netconsole: network logging started [ 6.026498] usb 1-9: new high-speed USB device number 3 using xhci_hcd [ 6.197096] usb 1-9: New USB device found, idVendor=13d3, idProduct=56d4, bcdDevice=18.07 [ 6.206307] usb 1-9: New USB device strings: Mfr=3, Product=1, SerialNumber=2 [ 6.214306] usb 1-9: Product: USB2.0 HD UVC WebCam [ 6.219679] usb 1-9: Manufacturer: Azurewave [ 6.224483] usb 1-9: SerialNumber: 0x0001 [ 6.237239] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 6.281834] usb 2-3: reset SuperSpeed Gen 1 USB device number 2 using xhci_hcd [ 6.336938] r8152 2-3:1.0: load rtl8153b-2 v1 10/23/19 successfully [ 6.378590] r8152 2-3:1.0 eth0: v1.11.11 [ 6.383640] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 8.149715] r8152 2-3:1.0 eth0: carrier on [ 8.154443] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready [ 8.163428] Sending DHCP requests .., OK [ 10.503988] IP-Config: Got DHCP answer from 192.168.201.1, my address is 192.168.201.11 [ 10.512971] IP-Config: Complete: [ 10.516593] device=eth0, hwaddr=00:e0:4c:68:01:e7, ipaddr=192.168.201.11, mask=255.255.255.0, gw=192.168.201.1 [ 10.528278] host=asus-c433ta-aj0005-rammus-cbg-1, domain=lava-rack, nis-domain=(none) [ 10.537529] bootserver=192.168.201.1, rootserver=192.168.201.1, rootpath= [ 10.537533] nameserver0=192.168.201.1 [ 10.550328] cfg80211: Loading compiled-in X.509 certificates for regulatory database [ 10.561788] modprobe (101) used greatest stack depth: 14120 bytes left [ 10.564779] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7' [ 10.569132] modprobe (102) used greatest stack depth: 13736 bytes left [ 10.576705] platform regulatory.0: Direct firmware load for regulatory.db failed with error -2 [ 10.578485] ALSA device list: [ 10.578494] No soundcards found. [ 10.600693] cfg80211: failed to load regulatory.db [ 10.606288] dw-apb-uart dw-apb-uart.2: forbid DMA for kernel console [ 10.615670] Freeing unused kernel image (initmem) memory: 2144K [ 10.633643] Write protecting the kernel read-only data: 34816k [ 10.641135] Freeing unused kernel image (text/rodata gap) memory: 2028K [ 10.648888] Freeing unused kernel image (rodata/data gap) memory: 864K [ 10.656261] Run /init as init process Loading, please wait... Starting version 247.3-7+deb11u1 [ 10.721878] udevadm (125) used greatest stack depth: 13592 bytes left [ 10.847963] chromeos ramoops using acpi device. [ 10.853230] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 10.853553] cros-usbpd-notify-acpi GOOG0003:00: Couldn't get Chrome EC device pointer. [ 10.871895] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 10.888240] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 10.897344] i2c_hid i2c-PNP0C50:00: supply vdd not found, using dummy regulator [ 10.906070] i2c_hid i2c-PNP0C50:00: supply vddl not found, using dummy regulator [ 10.917665] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 10.928031] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 10.968940] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 10.977582] Registered efivars operations [ 10.983037] gsmi version 1.0 loaded [ 11.085895] input: PNP0C50:00 0457:157E Touchscreen as /devices/pci0000:00/0000:00:15.0/i2c_designware.0/i2c-6/i2c-PNP0C50:00/0018:0457:157E.0001/input/input4 [ 11.103670] hid-generic 0018:0457:157E.0001: input,hidraw0: I2C HID v1.00 Device [PNP0C50:00 0457:157E] on i2c-PNP0C50:00 [ 11.116277] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 11.127942] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 11.140673] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 11.152884] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 11.163895] da7219 i2c-DLGS7219:00: Using default DAI clk names: da7219-dai-wclk, da7219-dai-bclk [ 11.164990] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 11.165251] uvcvideo: Found UVC 1.00 device USB2.0 HD UVC WebCam (13d3:56d4) [ 11.173082] input: USB2.0 HD UVC WebCam: USB2.0 HD as /devices/pci0000:00/0000:00:14.0/usb1/1-9/1-9:1.0/input/input6 [ 11.175340] usbcore: registered new interface driver uvcvideo [ 11.184415] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 11.189922] USB Video Class driver (1.1.1) [ 11.224123] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 11.236202] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 11.245737] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 11.257123] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 11.261905] udevadm (151) used greatest stack depth: 13400 bytes left 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. IP-Config: eth0 hardware address 00:e0:4c:68:01:e7 mtu 1500 DHCP IP-Config: eth0 complete (dhcp from 192.168.201.1): address: 192.168.201.11 broadcast: 192.168.201.255 netmask: 255.255.255.0 gateway: 192.168.201.1 dns0 : 192.168.201.1 dns1 : 0.0.0.0 host : asus-c433ta-aj0005-rammus-cbg-1 domain : lava-rack rootserver: 192.168.201.1 rootpath: filename : [ 11.365657] nfsmount (171) used greatest stack depth: 12688 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 [ 12.646861] systemd[1]: systemd 247.3-7+deb11u1 running in system mode. (+PAM +AUDIT +SELINUX +IMA +APPARMOR +SMACK +SYSVINIT +UTMP +LIBCRYPTSETUP +GCRYPT +GNUTLS +ACL +XZ +LZ4 +ZSTD +SECCOMP +BLKID +ELFUTILS +KMOD +IDN2 -IDN +PCRE2 default-hierarchy=unified) [ 12.684682] systemd[1]: Detected architecture x86-64. Welcome to Debian GNU/Linux 11 (bullseye)! [ 12.717150] systemd[1]: Set hostname to . [ 13.434674] systemd[1]: Queued start job for default target Graphical Interface. [ 13.446274] systemd[1]: Created slice system-getty.slice. [ OK ] Created slice system-getty.slice. [ 13.461987] systemd[1]: Created slice system-modprobe.slice. [ OK ] Created slice system-modprobe.slice. [ 13.477970] systemd[1]: Created slice system-serial\x2dgetty.slice. [ OK ] Created slice system-serial\x2dgetty.slice. [ 13.495098] systemd[1]: Created slice User and Session Slice. [ OK ] Created slice User and Session Slice. [ 13.510950] systemd[1]: Started Dispatch Password Requests to Console Directory Watch. [ OK ] Started Dispatch Password …ts to Console Directory Watch. [ 13.529853] systemd[1]: Started Forward Password Requests to Wall Directory Watch. [ OK ] Started Forward Password R…uests to Wall Directory Watch. [ 13.551653] systemd[1]: Set up automount Arbitrary Executable File Formats File System Automount Point. [ OK ] Set up automount Arbitrary…s File System Automount Point. [ 13.574682] systemd[1]: Reached target Local Encrypted Volumes. [ OK ] Reached target Local Encrypted Volumes. [ 13.590686] systemd[1]: Reached target Paths. [ OK ] Reached target Paths. [ 13.601632] systemd[1]: Reached target Remote File Systems. [ OK ] Reached target Remote File Systems. [ 13.617656] systemd[1]: Reached target Slices. [ OK ] Reached target Slices. [ 13.628636] systemd[1]: Reached target Swap. [ OK ] Reached target Swap. [ 13.639994] systemd[1]: Listening on initctl Compatibility Named Pipe. [ OK ] Listening on initctl Compatibility Named Pipe. [ 13.658114] systemd[1]: Listening on Journal Audit Socket. [ OK ] Listening on Journal Audit Socket. [ 13.676030] systemd[1]: Listening on Journal Socket (/dev/log). [ OK ] Listening on Journal Socket (/dev/log). [ 13.693854] systemd[1]: Listening on Journal Socket. [ OK ] Listening on Journal Socket. [ 13.711073] systemd[1]: Listening on Network Service Netlink Socket. [ OK ] Listening on Network Service Netlink Socket. [ 13.732090] systemd[1]: Listening on udev Control Socket. [ OK ] Listening on udev Control Socket. [ 13.748592] systemd[1]: Listening on udev Kernel Socket. [ OK ] Listening on udev Kernel Socket. [ 13.767986] systemd[1]: Mounting Huge Pages File System... Mounting Huge Pages File System... [ 13.786850] systemd[1]: Mounting POSIX Message Queue File System... Mounting POSIX Message Queue File System... [ 13.805255] systemd[1]: Mounting Kernel Debug File System... Mounting Kernel Debug File System... [ 13.823281] systemd[1]: Mounting Kernel Trace File System... Mounting Kernel Trace File System... [ 13.846890] systemd[1]: Starting Create list of static device nodes for the current kernel... Starting Create list of st…odes for the current kernel... [ 13.867855] systemd[1]: Starting Load Kernel Module configfs... Starting Load Kernel Module configfs... [ 13.884798] systemd[1]: Starting Load Kernel Module drm... Starting Load Kernel Module drm... [ 13.901554] systemd[1]: Starting Load Kernel Module fuse... Starting Load Kernel Module fuse... [ 13.944148] systemd[1]: Condition check resulted in Set Up Additional Binary Formats being skipped. [ 13.954538] fuse: init (API version 7.32) [ 13.960418] systemd[1]: Starting Journal Service... Starting Journal Service... [ 13.979050] systemd[1]: Starting Load Kernel Modules... Starting Load Kernel Modules... [ 13.992716] systemd[1]: Starting Remount Root and Kernel File Systems... Starting Remount Root and Kernel File Systems... [ 14.012027] systemd[1]: Starting Coldplug All udev Devices... Starting Coldplug All udev Devices... [ 14.028188] systemd[1]: Mounted Huge Pages File System. [ OK ] Mounted Huge Pages File System. [ 14.043690] systemd[1]: Mounted POSIX Message Queue File System. [ OK ] Mounted POSIX Message Queue File System. [ 14.059693] systemd[1]: Mounted Kernel Debug File System. [ OK ] Mounted Kernel Debug File System. [ 14.074650] systemd[1]: Mounted Kernel Trace File System. [ OK ] Mounted Kernel Trace File System. [ 14.090619] systemd[1]: Finished Create list of static device nodes for the current kernel. [ OK ] Finished Create list of st… nodes for the current kernel. [ 14.112281] systemd[1]: modprobe@configfs.service: Succeeded. [ 14.119209] systemd[1]: Finished Load Kernel Module configfs. [ OK ] Finished Load Kernel Module configfs. [ 14.135314] systemd[1]: modprobe@drm.service: Succeeded. [ 14.141949] systemd[1]: Finished Load Kernel Module drm. [ OK ] Finished Load Kernel Module drm. [ 14.157729] systemd[1]: Started Journal Service. [ OK ] Started Journal Service. [ OK ] Finished Load Kernel Module fuse. [ OK ] Finished Load Kernel Modules. [ OK ] Finished Remount Root and Kernel File Systems. Mounting FUSE Control File System... Mounting Kernel Configuration File System... Starting Flush Journal to Persistent Storage... Starting Load/Save Random Seed... Starting Apply Kernel Variables... Starting Create System Users... [ 14.263025] systemd-journald[207]: Received client request to flush runtime journal. [ OK ] Mounted FUSE Control File System. [ OK ] Mounted Kernel Configuration File System. [ OK ] Finished Load/Save Random Seed. [ OK ] Finished Apply Kernel Variables. [ OK ] Finished Coldplug All udev Devices. [ OK ] Finished Create System Users. [ OK ] Finished Flush Journal to Persistent Storage. Starting Create Static Device Nodes in /dev... [ 15.845307] systemd-tmpfile (219) used greatest stack depth: 12528 bytes left [ OK ] Finished Create Static Device Nodes in /dev. [ OK ] Reached target Local File Systems (Pre). [ OK ] Reached target Local File Systems. Starting Create Volatile Files and Directories... Starting Rule-based Manage…for Device Events and Files... [ OK ] Started Rule-based Manager for Device Events and Files. Starting Network Service... [ OK ] Finished Create Volatile Files and Directories. Starting Network Time Synchronization... Starting Update UTMP about System Boot/Shutdown... [ OK ] Found device Sunrise Point-LP Serial IO UART Controller. [ OK ] Finished Update UTMP about System Boot/Shutdown. [ OK ] Created slice system-systemd\x2dbacklight.slice. [ OK ] Listening on Load/Save RF …itch Status /dev/rfkill Watch. Starting Load/Save Screen …f backlight:intel_backlight... Starting Load/Save Screen …eds:chromeos::kbd_backlight... [ OK ] Finished Load/Save Screen … of backlight:intel_backlight. [ OK ] Finished Load/Save Screen … leds:chromeos::kbd_backlight. [ OK ] Started Network Service. Starting Network Name Resolution... [ OK ] Started Network Time Synchronization. [ OK ] Reached target System Initialization. [ OK ] Started Daily Cleanup of Temporary Directories. [ OK ] Reached target System Time Set. [ OK ] Reached target System Time Synchronized. [ OK ] Started Daily apt download activities. [ OK ] Started Daily apt upgrade and clean activities. [ OK ] Started Periodic ext4 Onli…ata Check for All Filesystems. [ OK ] Started Discard unused blocks once a week. [ OK ] Reached target Timers. [ OK ] Listening on D-Bus System Message Bus Socket. [ OK ] Reached target Sockets. [ OK ] Reached target Basic System. [ OK ] Started D-Bus System Message Bus. Starting Remove Stale Onli…t4 Metadata Check Snapshots... Starting User Login Management... [ OK ] Finished Remove Stale Onli…ext4 Metadata Check Snapshots. [ OK ] Started User Login Management. [ OK ] Started Network Name Resolution. [ OK ] Reached target Network. [ OK ] Reached target Host and Network Name Lookups. Starting Permit User Sessions... [ OK ] Finished Permit User Sessions. [ OK ] Started Getty on tty1. [ OK ] Started Serial Getty on ttyS0. [ OK ] Reached target Login Prompts. [ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... [ OK ] Finished Update UTMP about System Runlevel Changes. Debian GNU/Linux 11 debian-bullseye-amd64 ttyS0 debian-bullseye-amd64 login: root (automatic login) Linux debian-bullseye-amd64 5.10.178-cip31 #1 SMP Thu Apr 20 13:58:13 UTC 2023 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/10062621/extract-nfsrootfs-lc0rmr02' export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/10062621/extract-nfsrootfs-lc0rmr02' / # 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-10062621/environment . /lava-10062621/environment / # /lava-10062621/bin/lava-test-runner /lava-10062621/0 /lava-10062621/bin/lava-test-runner /lava-10062621/0 + export TESTRUN_ID=0_timesync-off + TESTRUN_ID=0_timesync-off + cd /lava-10062621/0/tests/0_timesync-off ++ cat uuid + UUID=10062621_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-10062621/0/tests/1_kselftest-lkdtm ++ cat uuid + UUID=10062621_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/v5.10.177-cip31-122-gfb6ca504156b4/x86_64/x86_64_defconfig+x86-chromebook+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 --2023-04-20 14:13:39-- http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.177-cip31-122-gfb6ca504156b4/x86_64/x86_64_defconfig+x86-chromebook+kselftest/gcc-10/kselftest.tar.xz Resolving storage.kernelci.org (storage.kernelci.org)... 52.250.1.28 Connecting to storage.kernelci.org (storage.kernelci.org)|52.250.1.28|:80... connected. HTTP request sent, awaiting response... 200 OK Length: 3381848 (3.2M) [application/octet-stream] Saving to: 'kselftest.tar.xz' kselftest.tar.xz 0%[ ] 0 --.-KB/s kselftest.tar.xz 1%[ ] 50.15K 169KB/s kselftest.tar.xz 6%[> ] 216.08K 363KB/s kselftest.tar.xz 24%[===> ] 809.99K 859KB/s kselftest.tar.xz 60%[===========> ] 1.95M 1.64MB/s kselftest.tar.xz 90%[=================> ] 2.93M 2.10MB/s kselftest.tar.xz 100%[===================>] 3.22M 2.14MB/s in 1.5s 2023-04-20 14:13:41 (2.14 MB/s) - 'kselftest.tar.xz' saved [3381848/3381848] 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 =============== [ 32.009191] 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 [ 32.528844] lkdtm: Performing direct entry BUG [ 32.533905] ------------[ cut here ]------------ [ 32.539093] kernel BUG at drivers/misc/lkdtm/bugs.c:76! [ 32.544982] invalid opcode: 0000 [#1] SMP PTI [ 32.549852] CPU: 0 PID: 634 Comm: cat Tainted: G W 5.10.178-cip31 #1 [ 32.558392] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 32.565197] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 32.569578] Code: 89 ff e8 fe f0 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 20 46 e9 02 [ 32.590546] RSP: 0018:ffffaed74132fe60 EFLAGS: 00010286 [ 32.596369] RAX: ffffffff8c378590 RBX: 0000000000000001 RCX: 0000000000000000 [ 32.604336] RDX: 0000000000000000 RSI: ffff8c057ac1bf70 RDI: ffffffff8d37e0b0 [ 32.612302] RBP: ffffffff8d85c448 R08: 0000000000000001 R09: 0000000000000001 [ 32.620268] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 32.628236] R13: ffffaed74132ff10 R14: ffffaed74132ff10 R15: ffff8c050351e000 [ 32.636229] FS: 00007f1c294c9580(0000) GS:ffff8c057ac00000(0000) knlGS:0000000000000000 [ 32.645266] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 32.651670] CR2: 00007f1c292d2000 CR3: 0000000103626005 CR4: 00000000003706f0 [ 32.659636] Call Trace: [ 32.662364] direct_entry.cold+0x2c/0x38 [ 32.666742] full_proxy_write+0x53/0x80 [ 32.671036] vfs_write+0xe7/0x3b0 [ 32.674734] ksys_write+0x68/0xf0 [ 32.678431] do_syscall_64+0x30/0x40 [ 32.682419] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 32.688048] RIP: 0033:0x7f1c293df833 [ 32.692027] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 32.712998] RSP: 002b:00007ffe1e97d188 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 32.721454] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f1c293df833 [ 32.729420] RDX: 0000000000000004 RSI: 00007f1c292d2000 RDI: 0000000000000001 [ 32.737388] RBP: 00007f1c292d2000 R08: 00007f1c292d1010 R09: 0000000000000000 [ 32.745357] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 32.753325] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 32.761291] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_ec_debugfs cros_ec_lightbar cros_ec_sensorhub videobuf2_memops cros_usbpd_charger videobuf2_v4l2 snd_soc_da7219 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_core videobuf2_common snd_compress snd_pcm_dmaengine regmap_i2c coreboot_table i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight [ 32.815639] gsmi: Log Shutdown Reason 0x03 [ 32.820302] ---[ end trace 7e1796e8a934a10a ]--- [ 32.825504] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 32.829938] Code: 89 ff e8 fe f0 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 20 46 e9 02 [ 32.850952] RSP: 0018:ffffaed74132fe60 EFLAGS: 00010286 [ 32.856840] RAX: ffffffff8c378590 RBX: 0000000000000001 RCX: 0000000000000000 [ 32.864839] RDX: 0000000000000000 RSI: ffff8c057ac1bf70 RDI: ffffffff8d37e0b0 [ 32.872837] RBP: ffffffff8d85c448 R08: 0000000000000001 R09: 0000000000000001 [ 32.880833] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 32.888841] R13: ffffaed74132ff10 R14: ffffaed74132ff10 R15: ffff8c050351e000 [ 32.896821] FS: 00007f1c294c9580(0000) GS:ffff8c057ac00000(0000) knlGS:0000000000000000 [ 32.905885] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 32.912322] CR2: 00007f1c292d2000 CR3: 0000000103626005 CR4: 00000000003706f0 # Segmentation fault # [ 32.528844] lkdtm: Performing direct entry BUG # [ 32.533905] ------------[ cut here ]------------ # [ 32.539093] kernel BUG at drivers/misc/lkdtm/bugs.c:76! # [ 32.544982] invalid opcode: 0000 [#1] SMP PTI # [ 32.549852] CPU: 0 PID: 634 Comm: cat Tainted: G W 5.10.178-cip31 #1 # [ 32.558392] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 32.565197] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 32.569578] Code: 89 ff e8 fe f0 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 20 46 e9 02 # [ 32.590546] RSP: 0018:ffffaed74132fe60 EFLAGS: 00010286 # [ 32.596369] RAX: ff[ 33.055152] lkdtm: Performing direct entry WARNING [ 33.061518] ------------[ cut here ]------------ [ 33.066688] WARNING: CPU: 3 PID: 671 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x13/0x20 ffffff8c378590 RBX: 0000000000000001 RCX: 0000000000000000 # [ [ 33.076122] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_ec_debugfs cros_ec_lightbar cros_ec_sensorhub videobuf2_memops cros_usbpd_charger videobuf2_v4l2 snd_soc_da7219 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_core videobuf2_common snd_compress snd_pcm_dmaengine regmap_i2c coreboot_table i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight [ 33.134808] CPU: 3 PID: 671 Comm: cat Tainted: G D W 5.10.178-cip31 #1 [ 33.143384] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 33.150189] RIP: 0010:lkdtm_WARNING+0x13/0x20 [ 33.155051] 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 20 46 e9 02 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 01 46 [ 33.176033] RSP: 0018:ffffaed7413b7e60 EFLAGS: 00010202 [ 33.181867] RAX: ffffffff8c3785a0 RBX: 0000000000000002 RCX: 0000000000000000 [ 33.189836] RDX: 0000000000000000 RSI: ffff8c057ad9bf70 RDI: ffffffff8d37e0c0 [ 33.197805] RBP: ffffffff8d7f7d57 R08: 0000000000000000 R09: 0000000000000000 [ 33.205773] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000008 [ 33.213742] R13: ffffaed7413b7f10 R14: ffffaed7413b7f10 R15: ffff8c0504998000 [ 33.221712] FS: 00007f4e4fa0e580(0000) GS:ffff8c057ad80000(0000) knlGS:0000000000000000 [ 33.230749] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 33.237166] CR2: 00007f4e4f817000 CR3: 00000001035f6003 CR4: 00000000003706e0 [ 33.245136] Call Trace: [ 33.247891] direct_entry.cold+0x2c/0x38 [ 33.252303] full_proxy_write+0x53/0x80 [ 33.256615] vfs_write+0xe7/0x3b0 [ 33.260340] ksys_write+0x68/0xf0 32.604336] RDX: 0000000000000000 RSI: ffff8c057ac1bf70 RDI: ff[ 33.264086] do_syscall_64+0x30/0x40 [ 33.274289] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 33.279929] RIP: 0033:0x7f4e4f924833 [ 33.283918] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 33.304896] RSP: 002b:00007ffcfad71c08 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 33.313354] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007f4e4f924833 [ 33.321324] RDX: 0000000000000008 RSI: 00007f4e4f817000 RDI: 0000000000000001 ffffff8d37e0b0 # [ 32.612302] RBP: ffffffff8d85c448 R08: 0000[ 33.329298] RBP: 00007f4e4f817000 R08: 00007f4e4f816010 R09: 0000000000000000 [ 33.343479] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 000000000001 R09: 0000000000000001 # [ 32.620268] R10: 000000[ 33.351450] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 33.365666] irq event stamp: 0 00ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 32[ 33.369082] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 33.382292] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 [ 33.391426] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 [ 33.400584] softirqs last disabled at (0): [<0000000000000000>] 0x0 .628236] R13: ffffaed74132ff10 R14: ffffaed74132ff10 R15: ffff8c[ 33.407597] ---[ end trace 7e1796e8a934a10b ]--- 050351e000 # [ 32.636229] FS: 00007f1c294c9580(0000) GS:ffff8c057ac00000(0000) knlGS:0000000000000000 # [ 32.645266] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 32.651670] CR2: 00007f1c292d2000 CR3: 0000000103626005 CR4: 00000000003706f0 # [ 32.659636] Call Trace: # [ 32.662364] direct_entry.cold+0x2c/0x38 # [ 32.666742] full_proxy_write+0x53/0x80 # [ 32.671036] vfs_write+0xe7/0x3b0 # [ 32.674734] ksys_write+0x68/0xf0 # [ 32.678431] do_syscall_64+0x30/0x40 # [ 32.682419] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 32.688048] RIP: 0033:0x7f1c293df833 # [ 32.692027] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 32.712998] RSP: 002b:00007ffe1e97d188 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 32.721454] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f1c293df833 # [ 32.729420] RDX: 000[ 33.516337] lkdtm: Performing direct entry WARNING_MESSAGE 0000000000004 RSI: 00007f1c292d2000 RDI: 0000000000000001 # [ [ 33.524610] ------------[ cut here ]------------ 32.737388] RBP: 00007f1c292d2000 R08: 00007f1c292d1010 R09: 000[ 33.535997] Warning message trigger count: 2 0000000000000 # [ 32.745357] R10: fffffffffffffbc5 R11: 00000[ 33.546992] WARNING: CPU: 0 PID: 706 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30 00000000246 R12: 0000000000000001 # [ 32.753325] R13: 0000000[ 33.563400] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_ec_debugfs cros_ec_lightbar cros_ec_sensorhub videobuf2_memops cros_usbpd_charger videobuf2_v4l2 snd_soc_da7219 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_core videobuf2_common snd_compress snd_pcm_dmaengine regmap_i2c coreboot_table i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight 000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 32.[ 33.622044] CPU: 0 PID: 706 Comm: cat Tainted: G D W 5.10.178-cip31 #1 761291] Modules linked in: fuse ip_tables cros_ec_lid_angle cros[ 33.636802] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 _ec_sensors cros_ec_sensors_core industrialio_triggered_buffer k[ 33.649823] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30 fifo_buf industrialio uvcvideo videobuf2_vmalloc cros_ec_sysfs c[ 33.661701] Code: cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 01 46 e9 02 48 c7 c7 b8 82 7f 8d 8d 70 01 89 35 f1 45 e9 02 e8 d9 90 64 00 <0f> 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 c7 ros_ec_chardev cros_usbpd_logger cros_ec_debugfs cros_ec_lightba[ 33.688876] RSP: 0018:ffffaed741467e60 EFLAGS: 00010286 r cros_ec_sensorhub videobuf2_memops cros_usbpd_charger videobuf[ 33.700939] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 2_v4l2 snd_soc_da7219 gsmi x86_pkg_temp_thermal cros_ec_dev snd_[ 33.715105] RDX: ffff8c057ac2c660 RSI: ffff8c057ac1bf70 RDI: ffff8c057ac1bf70 soc_core videobuf2_common snd_compress snd_pcm_dmaengine regmap_[ 33.729340] RBP: ffffffff8d7f7d5f R08: 0000000000000000 R09: 0000000000000000 i2c coreboot_table i2c_hid cros_usbpd_notify chromeos_pstore cro[ 33.743486] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010 s_kbd_led_backlight # [ 32.815639] gsmi: Log Shutdown Reason [ 33.757678] R13: ffffaed741467f10 R14: ffffaed741467f10 R15: ffff8c0503435000 0x03 # [ 32.820302] ---[ end trace 7e1796e8a934a10a ]--- # [[ 33.771838] FS: 00007fb2d7891580(0000) GS:ffff8c057ac00000(0000) knlGS:0000000000000000 32.825504] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 32.829938] Cod[ 33.787091] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 e: 89 ff e8 fe f0 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea f[ 33.799718] CR2: 00007fb2d769a000 CR3: 0000000104998005 CR4: 00000000003706f0 f ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00[ 33.813908] Call Trace: <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 20 46 e[ 33.822857] direct_entry.cold+0x2c/0x38 9 02 # [ 32.850952] RSP: 0018:ffffaed74132fe60 EFLAGS: 000102[ 33.833461] full_proxy_write+0x53/0x80 86 # [ 32.856840] RAX: ffffffff8c378590 RBX: 0000000000000001[ 33.843944] vfs_write+0xe7/0x3b0 RCX: 0000000000000000 # [ 32.864839] RDX: 0000000000000000 R[ 33.853872] ksys_write+0x68/0xf0 SI: ffff8c057ac1bf70 RDI: ffffffff8d37e0b0 # [ 32.872837] RBP[ 33.863775] do_syscall_64+0x30/0x40 : ffffffff8d85c448 R08: 0000000000000001 R09: 0000000000000001 [ 33.874003] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 32.880833] R10: 00000000ffffe000 R11: 3fffffffffffffff R12[ 33.885840] RIP: 0033:0x7fb2d77a7833 : 0000000000000004 # [ 32.888841] R13: ffffaed74132ff10 R14: [ 33.896058] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 ffffaed74132ff10 R15: ffff8c050351e000 # [ 32.896821] FS: 00[ 33.923239] RSP: 002b:00007fff637b5c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 007f1c294c9580(0000) GS:ffff8c057ac00000(0000) knlGS:00000000000[ 33.937940] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007fb2d77a7833 00000 # [ 32.905885] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000[ 33.952096] RDX: 0000000000000010 RSI: 00007fb2d769a000 RDI: 0000000000000001 080050033 # [ 32.912322] CR2: 00007f1c292d2000 CR3: 000000010[ 33.966264] RBP: 00007fb2d769a000 R08: 00007fb2d7699010 R09: 0000000000000000 3626005 CR4: 00000000003706f0 # BUG: saw 'kernel BUG at': ok o[ 33.980475] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 k 2 selftests: lkdtm: BUG.sh # selftests: lkdtm: WARNING.sh # [ 33.994656] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 33.055152] lkdtm: Performing direct entry WARNING # [ 33.[ 34.008852] irq event stamp: 0 061518] ------------[ cut here ]------------ # [ 33.066688] W[ 34.018487] hardirqs last enabled at (0): [<0000000000000000>] 0x0 ARNING: CPU: 3 PID: 671 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WA[ 34.031668] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 RNING+0x13/0x20 # [ 33.076122] Modules linked in: fuse ip_tab[ 34.047080] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 les cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core indus[ 34.062432] softirqs last disabled at (0): [<0000000000000000>] 0x0 trialio_triggered_buffer kfifo_buf industrialio uvcvideo videobu[ 34.075679] ---[ end trace 7e1796e8a934a10c ]--- f2_vmalloc cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_ec_debugfs cros_ec_lightbar cros_ec_sensorhub videobuf2_memops cros_usbpd_charger videobuf2_v4l2 snd_soc_da7219 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_core videobuf2_common snd_compress snd_pcm_dmaengine regmap_i2c coreboot_table i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight # [ 33.134808] CPU: 3 PID: 671 Comm: cat Tainted: G D W 5.10.178-cip31 #1 # [ 33.143384] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 33.150189] RIP: 0010:lkdtm_WARNING+0x13/0x20 # [ 33.155051] 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 20 46 e9 02 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 01 46 # [ 33.176033] RSP: 0018:ffffaed7413b7e60 EFLAGS: 00010202 # [ 33.181867] RAX: ffffffff8c3785a0 RBX: 0000000000000002 RCX: 0000000000000000 # [ 33.189836[ 34.177876] lkdtm: Performing direct entry EXCEPTION [ 34.185794] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 34.193576] #PF: supervisor write access in kernel mode [ 34.199397] #PF: error_code(0x0002) - not-present page [ 34.205130] PGD 0 P4D 0 [ 34.207954] Oops: 0002 [#2] SMP PTI [ 34.211858] CPU: 2 PID: 738 Comm: cat Tainted: G D W 5.10.178-cip31 #1 [ 34.220409] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 34.227216] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20 [ 34.232173] Code: 48 c7 c7 b8 82 7f 8d 8d 70 01 89 35 f1 45 e9 02 e8 d9 90 64 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 [ 34.253150] RSP: 0018:ffffaed7414ffe60 EFLAGS: 00010286 [ 34.258981] RAX: ffffffff8c3785f0 RBX: 0000000000000004 RCX: 0000000000000000 [ 34.266948] RDX: 0000000000000000 RSI: ffff8c057ad1bf70 RDI: ffffffff8d37e0e0 [ 34.274915] RBP: ffffffff8d6ec5ff R08: 0000000000000000 R09: 0000000000000000 [ 34.282883] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a [ 34.290851] R13: ffffaed7414fff10 R14: ffffaed7414fff10 R15: ffff8c0505dc1000 [ 34.298819] FS: 00007fc764c5c580(0000) GS:ffff8c057ad00000(0000) knlGS:0000000000000000 [ 34.307853] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 34.314266] CR2: 0000000000000000 CR3: 0000000104996003 CR4: 00000000003706e0 [ 34.322233] Call Trace: [ 34.324961] direct_entry.cold+0x2c/0x38 [ 34.329340] full_proxy_write+0x53/0x80 [ 34.333621] vfs_write+0xe7/0x3b0 [ 34.337317] ksys_write+0x68/0xf0 [ 34.341015] do_syscall_64+0x30/0x40 [ 34.345002] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 34.350632] RIP: 0033:0x7fc764b72833 [ 34.354618] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 34.375595] RSP: 002b:00007fff7952fa28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 34.384040] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fc764b72833 [ 34.392006] RDX: 000000000000000a RSI: 00007fc764a65000 RDI: 0000000000000001 [ 34.399974] RBP: 00007fc764a65000 R08: 00007fc764a64010 R09: 0000000000000000 [ 34.407941] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 34.415910] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ] RDX: 0000000000000000 RSI: ffff8c057ad9bf70 RDI: ffffffff8d37e[ 34.423881] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_ec_debugfs cros_ec_lightbar cros_ec_sensorhub videobuf2_memops cros_usbpd_charger videobuf2_v4l2 snd_soc_da7219 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_core videobuf2_common snd_compress snd_pcm_dmaengine regmap_i2c coreboot_table i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight [ 34.482567] CR2: 0000000000000000 [ 34.486254] ---[ end trace 7e1796e8a934a10d ]--- [ 34.491398] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 34.495772] Code: 89 ff e8 fe f0 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 20 46 e9 02 [ 34.516748] RSP: 0018:ffffaed74132fe60 EFLAGS: 00010286 [ 34.522598] RAX: ffffffff8c378590 RBX: 0000000000000001 RCX: 0000000000000000 [ 34.530567] RDX: 0000000000000000 RSI: ffff8c057ac1bf70 RDI: ffffffff8d37e0b0 [ 34.538535] RBP: ffffffff8d85c448 R08: 0000000000000001 R09: 0000000000000001 [ 34.546503] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 34.554467] R13: ffffaed74132ff10 R14: ffffaed74132ff10 R15: ffff8c050351e000 [ 34.562437] FS: 00007fc764c5c580(0000) GS:ffff8c057ad00000(0000) knlGS:0000000000000000 [ 34.571471] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 34.577885] CR2: 0000000000000000 CR3: 0000000104996003 CR4: 00000000003706e0 [ 34.585852] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 34.595761] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 738, name: cat [ 34.604116] INFO: lockdep is turned off. [ 34.608491] irq event stamp: 0 [ 34.611895] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 34.618893] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 [ 34.628016] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 [ 34.637147] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 34.644145] CPU: 2 PID: 738 Comm: cat Tainted: G D W 5.10.178-cip31 #1 [ 34.652685] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 34.659488] Call Trace: [ 34.662214] dump_stack+0x77/0x9b [ 34.665902] ___might_sleep.cold+0xa6/0xb6 [ 34.670474] exit_signals+0x1c/0x300 [ 34.674461] do_exit+0xc2/0xab0 [ 34.677973] ? ksys_write+0x68/0xf0 [ 34.681865] make_task_dead+0x2f/0x30 [ 34.685948] rewind_stack_and_make_dead+0x17/0x20 [ 34.691197] RIP: 0033:0x7fc764b72833 [ 34.695175] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 34.716149] RSP: 002b:00007fff7952fa28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 34.724601] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fc764b72833 [ 34.732568] RDX: 000000000000000a RSI: 00007fc764a65000 RDI: 0000000000000001 [ 34.740534] RBP: 00007fc764a65000 R08: 00007fc764a64010 R09: 0000000000000000 [ 34.748501] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 34.756467] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 0c0 # [ 33.197805] RBP: ffffffff8d7f7d57 R08: 0000000000000000 R09: 0000000000000000 # [ 33.205773] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000008 # [ 33.213742] R13: ffffaed7413b7f10 R14: ffffaed7413b7f10 R15: ffff8c0504998000 # [ 33.221712] FS: 00007f4e4fa0e580(0000) GS:ffff8c057ad80000(0000) knlGS:0000000000000000 # [ 33.230749] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 33.237166] CR2: 00007f4e4f817000 CR3: 00000001035f6003 CR4: 00000000003706e0 # [ 33.245136] Call Trace: # [ 33.247891] direct_entry.cold+0x2c/0x38 # [ 33.252303] full_proxy_write+0x53/0x80 # [ 33.256615] vfs_write+0xe7/0x3b0 # [ 33.260340] ksys_write+0x68/0xf0 # [ 33.264086] do_syscall_64+0x30/0x40 # [ 33.274289] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 33.279929] RIP: 0033:0x7f4e4f924833 # [ 33.283918] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 33.304896] RSP: 002b:00007ffcfad71c08 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 33.313354] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007f4e4f924833 # [ 33.321324] RDX: 0000000000000008 RSI: 00007f4e4f817000 RDI: 0000000000000001 # [ 33.329298] RBP: 00007f4e4f817000 R08: 00007f4e4f816010 R09: 0000000000000000 # [ 33.343479] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 33.351450] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 33.365666] irq event stamp: 0 # [ 33.369082] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 33.382292] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 33.391426] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 33.400584] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 33.407597] ---[ end trace 7e1796e8a934a10b ]--- # WARNING: saw 'WARNING:': ok ok 3 selftests: lkdtm: WARNING.sh # selftests: lkdtm: WARNING_MESSAGE.sh # [ 33.516337] lkdtm: Performing direct entry WARNING_MESSAGE # [ 33.524610] ------------[ cut here ]------------ # [ 33.535997] Warning message trigger count: 2 # [ 33.546992] WARNING: CPU: 0 PID: 706 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 33.563400] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_ec_debugfs cros_ec_lightbar cros_ec_sensorhub videobuf2_memops cros_usbpd_charger videobuf2_v4l2 snd_soc_da7219 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_core videobuf2_common snd_compress snd_pcm_dmaengine regmap_i2c coreboot_table i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight # [ 33.622044] CPU: 0 PID: 706 Comm: cat Tainted: G D W 5.10.178-cip31 #1 # [ 33.636802] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 33.649823] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 33.661701] Code: cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 01 46 e9 02 48 c7 c7 b8 82 7f 8d 8d 70 01 89 35 f1 45 e9 02 e8 d9 90 64 00 <0f> 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 c7 # [ 33.688876] RSP: 0018:ffffaed741467e60 EFLAGS: 00010286 # [ 33.700939] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 00000000000000[ 35.106032] lkdtm: Performing direct entry CORRUPT_LIST_ADD 00 # [ 33.715105] RDX: ffff8c057ac2c660 RSI: ffff8c057ac1bf70[ 35.112558] lkdtm: attempting good list addition RDI: ffff8c057ac1bf70 # [ 33.729340] RBP: ffffffff8d7f7d5f R[ 35.123957] lkdtm: attempting corrupted list addition 08: 0000000000000000 R09: 0000000000000000 # [ 33.743486] R10[ 35.135807] lkdtm: list_add() corruption not detected! : 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010 # [ 33.757678] R13: ffffaed741467f10 R14: ffffaed741467f10 R15: ffff8c0503435000 # [ 33.771838] FS: 00007fb2d7891580(0000) GS:ffff8c057ac00000(0000) knlGS:0000000000000000 # [ 33.787091] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 33.799718] CR2: 00007fb2d769a000 CR3: 0000000104998005 CR4: 00000000003706f0 # [ 33.813908] Call Trace: # [ 33.822857] direct_entry.cold+0x2c/0x38 # [ 33.833461] full_proxy_write+0x53/0x80 # [ 33.843944] vfs_write+0xe7/0x3b0 # [ 33.853872] ksys_write+0x68/0xf0 # [ 33.863775] do_syscall_64+0x30/0x40 # [ 33.874003] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 33.885840] RIP: 0033:0x7fb2d77a7833 # [ 33.896058] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18[ 35.235772] lkdtm: Performing direct entry CORRUPT_LIST_DEL [ 35.247181] lkdtm: attempting good list removal [ 35.252240] lkdtm: attempting corrupted list removal [ 35.257784] lkdtm: list_del() corruption not detected! # [ 33.923239] RSP: 002b:00007fff637b5c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 33.937940] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007fb2d77a7833 # [ 33.952096] RDX: 0000000000000010 RSI: 00007fb2d769a000 RDI: 0000000000000001 # [ 33.966264] RBP: 00007fb2d769a000 R08: 00007fb2d7699010 R09: 0000000000000000 # [ 33.980475] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 33.994656] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 34.008852] irq event stamp: 0 # [ 34.018487] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 34.031668] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 34.047080] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 34.062432] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 34.075679] ---[ end trace 7e1796e8a934a10c ]--- # WARNING_MESSAGE[ 35.353061] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING : saw 'message trigger': ok ok 4 selftests: lkdtm: WARNING_MESS[ 35.363801] lkdtm: attempting bad read from page below current stack AGE.sh # selftests: lkdtm: EXCEPTION.sh # Killed # [ 34.177[ 35.377146] BUG: stack guard page was hit at 0000000031b8bf76 (stack is 00000000fd61cb2e..0000000019686387) [ 35.394194] kernel stack overflow (page fault): 0000 [#3] SMP PTI [ 35.400999] CPU: 0 PID: 963 Comm: cat Tainted: G D W 5.10.178-cip31 #1 [ 35.409549] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 35.416354] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a [ 35.422871] Code: cc cc cc 0f 1f 44 00 00 53 48 c7 c7 58 86 7f 8d 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 0d df fb ff 48 c7 c7 98 86 7f 8d <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 f3 de fb ff 0f 1f 44 [ 35.443838] RSP: 0018:ffffaed741867e50 EFLAGS: 00010246 [ 35.449670] RAX: 0000000000000038 RBX: ffffaed741864000 RCX: 0000000000000000 [ 35.457637] RDX: 0000000000000000 RSI: ffff8c057ac1bf70 RDI: ffffffff8d7f8698 [ 35.465603] RBP: ffffffff8d7f7dc2 R08: 0000000000000000 R09: 0000000000000000 [ 35.473568] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019 [ 35.481536] R13: ffffaed741867f10 R14: ffffaed741867f10 R15: ffff8c050346a000 [ 35.489503] FS: 00007fe7246a8580(0000) GS:ffff8c057ac00000(0000) knlGS:0000000000000000 [ 35.498537] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 35.504949] CR2: ffffaed741863fff CR3: 0000000103420004 CR4: 00000000003706f0 [ 35.512917] Call Trace: [ 35.515642] ? lkdtm_CORRUPT_LIST_DEL+0xe0/0xe0 [ 35.520698] direct_entry.cold+0x2c/0x38 [ 35.525077] full_proxy_write+0x53/0x80 [ 35.529355] vfs_write+0xe7/0x3b0 [ 35.533056] ksys_write+0x68/0xf0 [ 35.536746] do_syscall_64+0x30/0x40 [ 35.540738] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 35.546369] RIP: 0033:0x7fe7245be833 [ 35.550355] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 35.571332] RSP: 002b:00007ffeb6bc7218 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 35.579784] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007fe7245be833 [ 35.587752] RDX: 0000000000000019 RSI: 00007fe7244b1000 RDI: 0000000000000001 [ 35.595718] RBP: 00007fe7244b1000 R08: 00007fe7244b0010 R09: 0000000000000000 [ 35.603685] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 35.611643] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 35.619615] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_ec_debugfs cros_ec_lightbar cros_ec_sensorhub videobuf2_memops cros_usbpd_charger videobuf2_v4l2 snd_soc_da7219 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_core videobuf2_common snd_compress snd_pcm_dmaengine regmap_i2c coreboot_table i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight [ 35.672082] ---[ end trace 7e1796e8a934a10e ]--- [ 35.677240] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 35.681622] Code: 89 ff e8 fe f0 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 20 46 e9 02 [ 35.702600] RSP: 0018:ffffaed74132fe60 EFLAGS: 00010286 [ 35.708432] RAX: ffffffff8c378590 RBX: 0000000000000001 RCX: 0000000000000000 [ 35.716399] RDX: 0000000000000000 RSI: ffff8c057ac1bf70 RDI: ffffffff8d37e0b0 [ 35.724366] RBP: ffffffff8d85c448 R08: 0000000000000001 R09: 0000000000000001 [ 35.732333] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 35.740299] R13: ffffaed74132ff10 R14: ffffaed74132ff10 R15: ffff8c050351e000 [ 35.748266] FS: 00007fe7246a8580(0000) GS:ffff8c057ac00000(0000) knlGS:0000000000000000 [ 35.757301] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 35.763716] CR2: ffffaed741863fff CR3: 0000000103420004 CR4: 00000000003706f0 [ 35.771682] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 35.781590] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 963, name: cat [ 35.789946] INFO: lockdep is turned off. [ 35.794319] irq event stamp: 0 [ 35.797723] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 35.804722] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 [ 35.813855] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 [ 35.822978] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 35.829974] CPU: 0 PID: 963 Comm: cat Tainted: G D W 5.10.178-cip31 #1 [ 35.838525] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 35.845326] Call Trace: [ 35.848051] dump_stack+0x77/0x9b [ 35.851754] ___might_sleep.cold+0xa6/0xb6 [ 35.856325] exit_signals+0x1c/0x300 [ 35.860320] do_exit+0xc2/0xab0 [ 35.863823] ? ksys_write+0x68/0xf0 [ 35.867716] make_task_dead+0x2f/0x30 [ 35.871802] rewind_stack_and_make_dead+0x17/0x20 [ 35.877050] RIP: 0033:0x7fe7245be833 [ 35.881036] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 35.902011] RSP: 002b:00007ffeb6bc7218 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 35.910466] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007fe7245be833 [ 35.918425] RDX: 0000000000000019 RSI: 00007fe7244b1000 RDI: 0000000000000001 [ 35.926390] RBP: 00007fe7244b1000 R08: 00007fe7244b0010 R09: 0000000000000000 [ 35.934356] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 35.942324] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 876] lkdtm: Performing direct entry EXCEPTION # [ 34.185794] BUG: kernel NULL pointer dereference, address: 0000000000000000 # [ 34.193576] #PF: supervisor write access in kernel mode # [ 34.199397] #PF: error_code(0x0002) - not-present page # [ 34.205130] PGD 0 P4D 0 # [ 34.207954] Oops: 0002 [#2] SMP PTI # [ 34.211858] CPU: 2 PID: 738 Comm: cat Tainted: G D W 5.10.178-cip31 #1 # [ 34.220409] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 34.227216] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20 # [ 34.232173] Code: 48 c7 c7 b8 82 7f 8d 8d 70 01 89 35 f1 45 e9 02 e8 d9 90 64 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 # [ 34.253150] RSP: 0018:ffffaed7414ffe60 EFLAGS: 00010286 # [ 34.258981] RAX: ffffffff8c3785f0 RBX: 0000000000000004 RCX: 0000000000000000 # [ 34.266948] RDX: 0000000000000000 RSI: ffff8c057ad1bf70 RDI: ffffffff8d37e0e0 # [ 34.274915] RBP: ffffffff8d6ec5ff R08: 0000000000000000 R09: 0000000000000000 # [ 34.282883] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 34.290851] R13: ffffaed7414fff10 R14: ffffaed7414fff10 R15: ffff8c0505dc1000 # [ 34.298819] FS: 00007fc764c5c580(0[ 36.070156] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING 000) GS:ffff8c057ad00000(0000) knlGS:0000000000000000 # [ 34.[ 36.081750] lkdtm: attempting bad read from page above current stack 307853] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ [ 36.095092] BUG: stack guard page was hit at 0000000049921182 (stack is 00000000edcc8376..00000000cde10d42) [ 36.112171] kernel stack overflow (page fault): 0000 [#4] SMP PTI 34.314266] CR2: 0000000000000000 CR3: 0000000104996003 CR4: 000[ 36.118977] CPU: 1 PID: 996 Comm: cat Tainted: G D W 5.10.178-cip31 #1 [ 36.133741] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 00[000003706e0 # [ 34.322233] Call Trace: # [ 34.324961] d 36.140549] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILING+0x27/0x3d [ 36.153375] Code: de fb ff 0f 1f 44 00 00 53 48 c7 c7 d0 86 7f 8d 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 d3 de fb ff 48 c7 c7 10 87 7f 8d <8a> 83 00 40 00 00 88 44 24 07 0f b6 74 24 07 5a 5b e9 b6 de fb ff [ 36.174354] RSP: 0018:ffffaed741917e50 EFLAGS: 00010246 [ 36.180178] RAX: 0000000000000038 RBX: ffffaed741914000 RCX: 0000000000000000 [ 36.188145] RDX: 0000000000000000 RSI: ffff8c057ac9bf70 RDI: ffffffff8d7f8710 [ 36.196113] RBP: ffffffff8d7f7ddb R08: 0000000000000000 R09: 0000000000000000 [ 36.204081] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001a [ 36.212048] R13: ffffaed741917f10 R14: ffffaed741917f10 R15: ffff8c0503baa000 [ 36.220016] FS: 00007f262bb41580(0000) GS:ffff8c057ac80000(0000) knlGS:0000000000000000 [ 36.229053] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 36.235459] CR2: ffffaed741918000 CR3: 0000000103fc8002 CR4: 00000000003706e0 [ 36.243425] Call Trace: [ 36.246153] ? lkdtm_STACK_GUARD_PAGE_LEADING+0x3a/0x3a [ 36.251988] direct_entry.cold+0x2c/0x38 [ 36.256365] full_proxy_write+0x53/0x80 irect_entry.cold+0x2c/0x38 # [ 34.329340] full_proxy_write+0[ 36.260646] vfs_write+0xe7/0x3b0 [ 36.270554] ksys_write+0x68/0xf0 [ 36.274253] do_syscall_64+0x30/0x40 x53/0x80 # [ 34.333621] vfs_write+0xe7/0x3b0 # [ 34.33731[ 36.278244] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 36.290095] RIP: 0033:0x7f262ba57833 [ 36.294082] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 36.315061] RSP: 002b:00007ffdaf1ce198 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 36.323515] RAX: ffffffffffffffda RBX: 000000000000001a RCX: 00007f262ba57833 [ 36.331482] RDX: 000000000000001a RSI: 00007f262b94a000 RDI: 0000000000000001 [ 36.339449] RBP: 00007f262b94a000 R08: 00007f262b949010 R09: 0000000000000000 [ 36.347415] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 36.355384] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 7] ksys_write+0x68/0xf0 # [ 34.341015] do_syscall_64+0x30/0[ 36.363356] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_ec_debugfs cros_ec_lightbar cros_ec_sensorhub videobuf2_memops cros_usbpd_charger videobuf2_v4l2 snd_soc_da7219 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_core videobuf2_common snd_compress snd_pcm_dmaengine regmap_i2c coreboot_table i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight [ 36.422009] ---[ end trace 7e1796e8a934a10f ]--- [ 36.427165] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 36.431541] Code: 89 ff e8 fe f0 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 20 46 e9 02 [ 36.452522] RSP: 0018:ffffaed74132fe60 EFLAGS: 00010286 [ 36.458345] RAX: ffffffff8c378590 RBX: 0000000000000001 RCX: 0000000000000000 [ 36.466312] RDX: 0000000000000000 RSI: ffff8c057ac1bf70 RDI: ffffffff8d37e0b0 [ 36.474281] RBP: ffffffff8d85c448 R08: 0000000000000001 R09: 0000000000000001 [ 36.482250] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 36.490219] R13: ffffaed74132ff10 R14: ffffaed74132ff10 R15: ffff8c050351e000 [ 36.498188] FS: 00007f262bb41580(0000) GS:ffff8c057ac80000(0000) knlGS:0000000000000000 [ 36.507216] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 36.513630] CR2: ffffaed741918000 CR3: 0000000103fc8002 CR4: 00000000003706e0 x40 # [ 34.345002] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 34.350632] RIP: 0033:0x7fc764b72833 # [ 34.354618] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 34.375595] RSP: 002b:00007fff7952fa28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 34.384040] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fc764b72833 # [ 34.392006] RDX: 000000000000000a RSI: 00007fc764a65000 RDI: 0000000000000001 # [ 34.399974] RBP: 00007fc764a65000 R08: 00007fc764a64010 R09: 0000000000000000 # [ 34.407941] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 34.415910] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 34.423881] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_ec_debugfs cros_ec_lightbar cros_ec_sensorhub videobuf2_memops cros_usbpd_charger videobuf2_v4l2 snd_soc_da7219 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_core videobuf2_common snd_compress snd_pcm_dmaengine regmap_i2c coreboot_table i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight # [ 34.482567] CR2: 0000000000000000 # [ 34.486254] ---[ end trace 7e1796e8a934a10d ]--- [ 36.661598] lkdtm: Performing direct entry UNSET_SMEP # [ 34.491398] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 34.495772] [ 36.670211] lkdtm: trying to clear SMEP normally Code: 89 ff e8 fe f0 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 e[ 36.681611] ------------[ cut here ]------------ a ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00[ 36.692959] pinned CR4 bits changed: 0x100000!? 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 20 4[ 36.704258] WARNING: CPU: 0 PID: 1032 at arch/x86/kernel/cpu/common.c:392 native_write_cr4+0x45/0x60 6 e9 02 # [ 34.516748] RSP: 0018:ffffaed74132fe60 EFLAGS: 000[ 36.720639] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_ec_debugfs cros_ec_lightbar cros_ec_sensorhub videobuf2_memops cros_usbpd_charger videobuf2_v4l2 snd_soc_da7219 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_core videobuf2_common snd_compress snd_pcm_dmaengine regmap_i2c coreboot_table i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight 10286 # [ 34.522598] RAX: ffffffff8c378590 RBX: 0000000000000[ 36.779346] CPU: 0 PID: 1032 Comm: cat Tainted: G D W 5.10.178-cip31 #1 001 RCX: 0000000000000000 # [ 34.530567] RDX: 000000000000000[ 36.794229] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 0 RSI: ffff8c057ac1bf70 RDI: ffffffff8d37e0b0 # [ 34.538535] [ 36.807255] RIP: 0010:native_write_cr4+0x45/0x60 RBP: ffffffff8d85c448 R08: 0000000000000001 R09: 000000000000000[ 36.818611] Code: 39 c2 75 2d 48 85 f6 75 05 c3 cc cc cc cc 80 3d a3 37 46 02 00 75 f2 48 c7 c7 a0 66 6f 8d c6 05 93 37 46 02 01 e8 34 f4 0f 01 <0f> 0b c3 cc cc cc cc 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09 1 # [ 34.546503] R10: 00000000ffffe000 R11: 3fffffffffffffff [ 36.845850] RSP: 0018:ffffaed741987e48 EFLAGS: 00010286 R12: 0000000000000004 # [ 34.554467] R13: ffffaed74132ff10 R1[ 36.857887] RAX: 0000000000000000 RBX: 00000000002706f0 RCX: 0000000000000000 4: ffffaed74132ff10 R15: ffff8c050351e000 # [ 34.562437] FS: [ 36.872113] RDX: ffff8c057ac2c660 RSI: ffff8c057ac1bf70 RDI: ffff8c057ac1bf70 00007fc764c5c580(0000) GS:ffff8c057ad00000(0000) knlGS:00000000[ 36.886288] RBP: ffffffff8d7f7df5 R08: 0000000000000000 R09: 0000000000000000 00000000 # [ 34.571471] CS: 0010 DS: 0000 ES: 0000 CR0: 0000[ 36.900512] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b 000080050033 # [ 34.577885] CR2: 0000000000000000 CR3: 000000[ 36.914687] R13: ffffaed741987f10 R14: ffffaed741987f10 R15: ffff8c050369e000 0104996003 CR4: 00000000003706e0 # [ 34.585852] BUG: sleeping[ 36.928875] FS: 00007fd89a515580(0000) GS:ffff8c057ac00000(0000) knlGS:0000000000000000 function called from invalid context at include/linux/percpu-rw[ 36.944170] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 sem.h:49 # [ 34.595761] in_atomic(): 0, irqs_disabled(): 1, n[ 36.956784] CR2: 00007fd89a31e000 CR3: 000000010372e001 CR4: 00000000003706f0 on_block: 0, pid: 738, name: cat # [ 34.604116] INFO: lockdep[ 36.970992] Call Trace: is turned off. # [ 34.608491] irq event stamp: 0 # [ 34.6[ 36.979972] lkdtm_UNSET_SMEP.cold+0x1d/0x103 11895] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 36.991030] direct_entry.cold+0x2c/0x38 # [ 34.618893] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 34.628016] softirqs last [ 37.012204] vfs_write+0xe7/0x3b0 enabled at (0): [] copy_process+0x664/0x1c60 [ 37.022047] ksys_write+0x68/0xf0 # [ 34.637147] softirqs last disabled at (0): [<00000000000000[ 37.032028] do_syscall_64+0x30/0x40 00>] 0x0 # [ 34.644145] CPU: 2 PID: 738 Comm: cat Tainted: G [ 37.042203] entry_SYSCALL_64_after_hwframe+0x61/0xc6 D W 5.10.178-cip31 #1 # [ 34.652685] Hardware na[ 37.054110] RIP: 0033:0x7fd89a42b833 me: Google Rammus/Rammus, BIOS 09/04/2020 # [ 34.659488] Cal[ 37.064262] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 l Trace: # [ 34.662214] dump_stack+0x77/0x9b # [ 34.66590[ 37.091520] RSP: 002b:00007ffc84901fb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 2] ___might_sleep.cold+0xa6/0xb6 # [ 34.670474] exit_signal[ 37.106173] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007fd89a42b833 s+0x1c/0x300 # [ 34.674461] do_exit+0xc2/0xab0 # [ 34.677[ 37.120394] RDX: 000000000000000b RSI: 00007fd89a31e000 RDI: 0000000000000001 973] ? ksys_write+0x68/0xf0 # [ 34.681865] make_task_dead+0[ 37.134569] RBP: 00007fd89a31e000 R08: 00007fd89a31d010 R09: 0000000000000000 x2f/0x30 # [ 34.685948] rewind_stack_and_make_dead+0x17/0x20[ 37.148820] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 34.691197] RIP: 0033:0x7fc764b72833 # [ 34.695175] Co[ 37.162971] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 de: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 [ 37.177181] irq event stamp: 0 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 0[ 37.186773] hardirqs last enabled at (0): [<0000000000000000>] 0x0 5 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 [ 37.199992] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 24 18 # [ 34.716149] RSP: 002b:00007fff7952fa28 EFLAGS: 00000[ 37.215347] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 246 ORIG_RAX: 0000000000000001 # [ 34.724601] RAX: ffffffffff[ 37.230729] softirqs last disabled at (0): [<0000000000000000>] 0x0 ffffda RBX: 000000000000000a RCX: 00007fc764b72833 # [ 34.732[ 37.243944] ---[ end trace 7e1796e8a934a110 ]--- 568] RDX: 000000000000000a RSI: 00007fc764a65000 RDI: 0000000000[ 37.255332] lkdtm: ok: SMEP did not get cleared 000001 # [ 34.740534] RBP: 00007fc764a65000 R08: 00007fc764a6[ 37.266596] lkdtm: trying to clear SMEP with call gadget 4010 R09: 0000000000000000 # [ 34.748501] R10: fffffffffffffb[ 37.278759] lkdtm: ok: SMEP removal was reverted c5 R11: 0000000000000246 R12: 0000000000000001 # [ 34.756467] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # EXCEPTION: saw 'call trace:': ok ok 5 selftests: lkdtm: EXCEPTION.sh # selftests: lkdtm: LOOP.sh # Skipping LOOP: Hangs the system ok 6 selftests: lkdtm: LOOP.sh # SKIP # selftests: lkdtm: EXHAUST_STACK.sh # Skipping EXHAUST_STACK: Corrupts memory on failure ok 7 selftests: lkdtm: EXHAUST_STACK.sh # SKIP # selftests: lkdtm: CORRUPT_STACK.sh # Skipping CORRUPT_STACK: Crashes entire system on success ok 8 selftests: lkdtm: CORRUPT_STACK.sh # SKIP # selftests: lkdtm: CORRUPT_STACK_STRONG.sh # Skipping CORRUPT_STACK_STRONG: Crashes entire system on success ok 9 selftests: lkdtm: CORRUPT_STACK_STRONG.sh # SKIP # selftests: lkdtm: CORRUPT_LIST_ADD.sh # [ 35.106032] lkdtm: Performing direct entry CORRUPT_LIST_ADD # [ 35.112558] lkdtm: attempting good list addition # [ 35.123957] lkdtm: attempting corrupted list addition # [ 35.135807] 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 # [ 35.23577[ 37.406013] lkdtm: Performing direct entry DOUBLE_FAULT [ 37.414092] lkdtm: XFAIL: this test is ia32-only 2] lkdtm: Performing direct entry CORRUPT_LIST_DEL # [ 35.247181] lkdtm: attempting good list removal # [ 35.252240] lkdtm: attempting corrupted list removal # [ 35.257784] 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 # [ 35.353061] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING # [ 35.363801] lkdtm: attempting bad read from page below current stack # [ 35.377146] BUG: stack guard page was hit at 0000000031b8bf76 (stack is 00000000fd61cb2e..0000000019686387) # [ 35.394194] kernel stack overflow (page fault): 0000 [#3] SMP PTI # [ 35.400999] CPU: 0 PID: 963 Comm: cat Tainted: G D W 5.10.178-cip31 #1 # [ 35.409549] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 35.416354] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a # [ 35.422871] Code: cc cc cc 0f 1f 44 00 [ 37.516582] lkdtm: Performing direct entry CORRUPT_PAC [ 37.524429] lkdtm: XFAIL: this test is arm64-only 00 53 48 c7 c7 58 86 7f 8d 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 0d df fb ff 48 c7 c7 98 86 7f 8d <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 f3 de fb ff 0f 1f 44 # [ 35.443838] RSP: 0018:ffffaed741867e50 EFLAGS: 00010246 # [ 35.449670] RAX: 0000000000000038 RBX: ffffaed741864000 RCX: 0000000000000000 # [ 35.457637] RDX: 0000000000000000 RSI: ffff8c057ac1bf70 RDI: ffffffff8d7f8698 # [ 35.465603] RBP: ffffffff8d7f7dc2 R08: 0000000000000000 R09: 0000000000000000 # [ 35.473568] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019 # [ 35.481536] R13: ffffaed741867f10 R14: ffffaed741867f10 R15: ffff8c050346a000 # [ 35.489503] FS: 00007fe7246a8580(0000) GS:ffff8c057ac00000(0000) knlGS:0000000000000000 # [ 35.498537] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 35.504949] CR2: ffffaed741863fff CR3: 0000000103420004 CR4: 00000000003706f0 # [ 35.512917] Call Trace: # [ 35.515642] ? lkdtm_CORRUPT_LIST_DEL+0xe0/0xe0 # [ 35.520698] direct_entry.cold+0x2c/0x38 # [ 35.525077] full_proxy_write+0x53/0x80 # [ 35[ 37.630610] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE [ 37.642622] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS .529355] vfs_write+0xe7/0x3b0 # [ 35.533056] ksys_write+0x68/0xf0 # [ 35.536746] do_syscall_64+0x30/0x40 # [ 35.540738] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 35.546369] RIP: 0033:0x7fe7245be833 # [ 35.550355] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 35.571332] RSP: 002b:00007ffeb6bc7218 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 35.579784] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007fe7245be833 # [ 35.587752] RDX: 0000000000000019 RSI: 00007fe7244b1000 RDI: 0000000000000001 # [ 35.595718] RBP: 00007fe7244b1000 R08: 00007fe7244b0010 R09: 0000000000000000 # [ 35.603685] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 35.611643] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 35.619615] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_ec_debugfs cros_ec_lightbar cros_ec_sensorhub videobuf2_memops cros_usbpd_charger videobuf2_v4l2 snd_soc_da7219 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_core videobuf2_common snd_compress snd_pcm_dmaengine regmap_i2c coreboot_table i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight # [ 35.672082] ---[ end trace 7e1796e8a934a10e ]--- # [ 35.677240] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 35.681622] Code: 89 ff e8 fe f0 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 20 46 e9 02 # [ 35.702600] RSP: 0018:ffffaed74132fe60 EFLAGS: 00010286 # [ 35.708432] RAX: ffffffff8c378590 RBX: 0000000000000001 RCX: 0000000000000000 # [ 35.716399] RDX: 000000000[ 37.836754] lkdtm: Performing direct entry READ_AFTER_FREE [ 37.849027] lkdtm: Value in memory before free: 12345678 [ 37.854963] lkdtm: Attempting bad read from freed memory [ 37.860897] lkdtm: Memory was not poisoned 0000000 RSI: ffff8c057ac1bf70 RDI: ffffffff8d37e0b0 # [ 35.724366] RBP: ffffffff8d85c448 R08: 0000000000000001 R09: 0000000000000001 # [ 35.732333] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 35.740299] R13: ffffaed74132ff10 R14: ffffaed74132ff10 R15: ffff8c050351e000 # [ 35.748266] FS: 00007fe7246a8580(0000) GS:ffff8c057ac00000(0000) knlGS:0000000000000000 # [ 35.757301] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 35.763716] CR2: ffffaed741863fff CR3: 0000000103420004 CR4: 00000000003706f0 # [ 35.771682] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 35.781590] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 963, name: cat # [ 35.789946] INFO: lockdep is turned off. # [ 35.794319] irq event stamp: 0 # [ 35.797723] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 35.804722] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 35.813855] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 35.822978] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 35.829974] CPU: 0 PID: 963 Comm: cat Taint[ 37.982202] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE ed: G D W 5.10.178-cip31 #1 # [ 35.838525] Hardw[ 37.990328] lkdtm: Value in memory before free: 12345678 [ 38.002475] lkdtm: Attempting to read from freed memory are name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 35.84532[ 38.008346] lkdtm: Buddy page was not poisoned 6] Call Trace: # [ 35.848051] dump_stack+0x77/0x9b # [ 35.851754] ___might_sleep.cold+0xa6/0xb6 # [ 35.856325] exit_signals+0x1c/0x300 # [ 35.860320] do_exit+0xc2/0xab0 # [ 35.863823] ? ksys_write+0x68/0xf0 # [ 35.867716] make_task_dead+0x2f/0x30 # [ 35.871802] rewind_stack_and_make_dead+0x17/0x20 # [ 35.877050] RIP: 0033:0x7fe7245be833 # [ 35.881036] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 35.902011] RSP: 002b:00007ffeb6bc7218 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 35.910466] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007fe7245be833 # [ 35.918425] RDX: 0000000000000019 RSI: 00007fe7244b1000 RDI: 0000000000000001 # [ 35.926390] RBP: 00007fe7244b1000 R08: 00007fe7244b0010 R09: 0000000000000000 # [ 35.934356] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 35.942324] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # STACK_GUARD_PAGE_LEADING: saw 'call trace:': ok ok [ 38.125394] lkdtm: Performing direct entry SLAB_FREE_DOUBLE 12 selftests: lkdtm: STACK_GUARD_PAGE_LEADING.sh # selftests: l[ 38.137792] lkdtm: Attempting double slab free ... kdtm: STACK_GUARD_PAGE_TRAILING.sh # Segmentation fault # [ 36.070156] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING # [ 36.081750] lkdtm: attempting bad read from page above current stack # [ 36.095092] BUG: stack guard page was hit at 0000000049921182 (stack is 00000000edcc8376..00000000cde10d42) # [ 36.112171] kernel stack overflow (page fault): 0000 [#4] SMP PTI # [ 36.118977] CPU: 1 PID: 996 Comm: cat Tainted: G D W 5.10.178-cip31 #1 # [ 36.133741] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 36.140549] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILING+0x27/0x3d # [ 36.153375] Code: de fb ff 0f 1f 44 00 00 53 48 c7 c7 d0 86 7f 8d 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 d3 de fb ff 48 c7 c7 10 87 7f 8d <8a> 83 00 40 00 00 88 44 24 07 0f b6 74 24 07 5a 5b e9 b6 de fb ff # [ 36.174354] RSP: 0018:ffffaed741917e50 EFLAGS: 00010246 # [ 36.180178] RAX: 0000000000000038 RBX: ffffaed741914000 RCX: 0000000000000000 # [ 36.188145] RDX: 0000000000000000 RSI: ffff8c057ac9bf70 RDI: ffffffff8d7f8710 # [ 36.196113] RBP: ffffffff8d7f7ddb R08: 0000000000000000 R09: 0000000000000000 # [ 36.204081] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001a # [ 36.212048] R13: ffffaed741917f10[ 38.270402] lkdtm: Performing direct entry SLAB_FREE_CROSS [ 38.279917] lkdtm: Attempting cross-cache slab free ... R14: ffffaed741917f10 R15: ffff8c0503baa000 # [ 36.220016] FS: 00007f262bb41580(0000) GS:ffff8c057ac80000(0000) knlGS:0000000000000000 # [ 36.229053] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 36.235459] CR2: ffffaed741918000 CR3: 0000000103fc8002 CR4: 00000000003706e0 # [ 36.243425] Call Trace: # [ 36.246153] ? lkdtm_STACK_GUARD_PAGE_LEADING+0x3a/0x3a # [ 36.251988] direct_entry.cold+0x2c/0x38 # [ 36.256365] full_proxy_write+0x53/0x80 # [ 36.260646] vfs_write+0xe7/0x3b0 # [ 36.270554] ksys_write+0x68/0xf0 # [ 36.274253] do_syscall_64+0x30/0x40 # [ 36.278244] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 36.290095] RIP: 0033:0x7f262ba57833 # [ 36.294082] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 36.315061] RSP: 002b:00007ffdaf1ce198 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 36.323515] RAX: ffffffffffffffda RBX: 000000000000001a RCX: 00007f262ba57833 # [ 36.331482] RDX: 000000000000001a RSI: 00007f262b94a000 RDI: 0000000000000001 # [ 36.339449] RBP: 00007f262b94a000 R08: 00007f262b949010 R09: 0000000000000000 # [ 36.347415] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 36.355384] R13: 0000000000000001 R14: 0000000000020000 [ 38.419625] lkdtm: Performing direct entry SLAB_FREE_PAGE R15: 0000000000020000 # [ 36.363356] Modules linked in: fuse [ 38.428599] lkdtm: Attempting non-Slab slab free ... ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_ec_debugfs cros_ec_lightbar cros_ec_sensorhub videobuf2_memops cros_usbpd_charger videobuf2_v4l2 snd_soc_da7219 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_core videobuf2_common snd_compress snd_pcm_dmaengine regmap_i2c coreboot_table i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight # [ 36.422009] ---[ end trace 7e1796e8a934a10f ]--- # [ 36.427165] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 36.431541] Code: 89 ff e8 fe f0 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 20 46 e9 02 # [ 36.452522] RSP: 0018:ffffaed74132fe60 EFLAGS: 00010286 # [ 36.458345] RAX: ffffffff8c378590 RBX: 0000000000000001 RCX: 0000000000000000 # [ 36.466312] RDX: 0000000000000000 RSI: ffff8c057ac1bf70 RDI: ffffffff8d37e0b0 # [ 36.474281] RBP: ffffffff8d85c448 R08: 0000000000000001 R09: 0000000000000001 # [ 36.482250] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 36.490219] R13: ffffaed74132ff10 R14: ffffaed74132ff10 R15: ffff8c050351e000 # [ 36.498188] FS: 00007f262bb41580(0000) GS:ffff8c057ac80000(0000) knlGS:0000000000000000 # [ 36.507216] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 36.513630] CR2: ffffaed741918000 CR3: 0000000103fc8002 CR4: 00000000003706e0 # STACK_GUARD_PAGE_TRAILING: saw 'call trace:': ok ok 13 selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh # selftests: lkdtm: UNSET_SMEP.sh # [ 36.661598] lkdtm: Performing direct entry UNSET_SMEP # [ 36.670211] lkdtm: trying to clear SMEP normally # [ 36.681611] ------------[ cut here ]------------ # [ 36.692959] pinned CR4 bits changed: 0x100000!? # [ 36.704258] WARNING: CPU: 0 PID: 1032 at arch/x86/kernel/cpu/common.c:392 native_write_cr4+0x45/0x60 # [ 36.720639] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_ec_debugfs cros_ec_lightbar cros_ec_sensorhub videobuf2_memops cros_usbpd_charger videobuf2_v4l2 snd_soc_da7219 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_core videobuf2_common snd_compress snd_pcm_dmaengine regmap_i2c coreboot_table i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight # [ 36.779346] CPU: 0 PID: 1032 Comm: cat Tainted: G D W 5.10.178-cip31 #1 # [ 36.794229] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 36.807255] RIP: 0010:native_write_cr4+0x45/0x60 # [ 36.818611] Code: 39 c2 75 2d 48 85 f6 75 05 c3 cc cc cc cc 80 3d a3 37 46 02 00 75 f2 48 c7 c7 a0 66 6f 8d c6 05 93 37 46 02 01 e8 34 f4 0f 01 <0f> 0b c3 cc cc cc cc 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09 # [ 36.845850] RSP: 0018:ffffaed741987e48 EFLAGS: 00010286 # [ 36.857887] RAX: 0000000000000000 RBX: 00000000002706f0 RCX: 0000000000000000 # [ 36.872113] RDX: ffff8c057ac2c660 RSI: ffff8c057ac1bf70 RDI: ffff8c057ac1bf70 # [ 36.886288] RBP: ffffffff8d7f7df5 R08: 0000000000000000 R09: 0000000000000000 # [ 36.900512] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000[ 38.764465] lkdtm: Performing direct entry EXEC_DATA 000b # [ 36.914687] R13: ffffaed741987f10 R14: ffffaed741987f[ 38.775480] lkdtm: attempting ok execution at ffffffff8c378960 10 R15: ffff8c050369e000 # [ 36.928875] FS: 00007fd89a515580[ 38.788159] lkdtm: attempting bad execution at ffffffff8f20cc00 (0000) GS:ffff8c057ac00000(0000) knlGS:0000000000000000 # [ 3[ 38.800968] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 38.815513] BUG: unable to handle page fault for address: ffffffff8f20cc00 [ 38.823189] #PF: supervisor instruction fetch in kernel mode [ 38.829505] #PF: error_code(0x0011) - permissions violation [ 38.835724] PGD 2d829067 P4D 2d829067 PUD 2d82a063 PMD 800000002f0000e3 [ 38.843215] Oops: 0011 [#5] SMP PTI [ 38.847106] CPU: 0 PID: 1539 Comm: cat Tainted: G D W 5.10.178-cip31 #1 [ 38.855743] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 38.862548] RIP: 0010:data_area+0x0/0x40 [ 38.866929] Code: ff ff 00 32 e8 04 05 8c ff ff 00 31 e8 04 05 8c 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 [ 38.887897] RSP: 0018:ffffaed7421e7e48 EFLAGS: 00010246 [ 38.893722] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 38.901681] RDX: 0000000000000000 RSI: ffff8c057ac1bf70 RDI: ffff8c057ac1bf70 [ 38.909647] RBP: ffffffff8f20cc00 R08: 0000000000000000 R09: 0000000000000000 [ 38.917614] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a [ 38.925582] R13: ffffaed7421e7f10 R14: ffffaed7421e7f10 R15: ffff8c0503c03000 [ 38.933551] FS: 00007ff2d623f580(0000) GS:ffff8c057ac00000(0000) knlGS:0000000000000000 [ 38.942577] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.948992] CR2: ffffffff8f20cc00 CR3: 0000000104018005 CR4: 00000000003706f0 [ 38.956960] Call Trace: [ 38.959689] ? execute_location+0x45/0x56 [ 38.964161] ? direct_entry.cold+0x2c/0x38 [ 38.968733] ? full_proxy_write+0x53/0x80 [ 38.973213] ? vfs_write+0xe7/0x3b0 [ 38.977104] ? ksys_write+0x68/0xf0 [ 38.980998] ? do_syscall_64+0x30/0x40 [ 38.985187] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 38.991023] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_ec_debugfs cros_ec_lightbar cros_ec_sensorhub videobuf2_memops cros_usbpd_charger videobuf2_v4l2 snd_soc_da7219 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_core videobuf2_common snd_compress snd_pcm_dmaengine regmap_i2c coreboot_table i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight [ 39.043483] CR2: ffffffff8f20cc00 [ 39.047178] ---[ end trace 7e1796e8a934a111 ]--- [ 39.052333] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 39.056709] Code: 89 ff e8 fe f0 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 20 46 e9 02 [ 39.077681] RSP: 0018:ffffaed74132fe60 EFLAGS: 00010286 [ 39.083505] RAX: ffffffff8c378590 RBX: 0000000000000001 RCX: 0000000000000000 [ 39.091472] RDX: 0000000000000000 RSI: ffff8c057ac1bf70 RDI: ffffffff8d37e0b0 [ 39.099441] RBP: ffffffff8d85c448 R08: 0000000000000001 R09: 0000000000000001 [ 39.107407] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 39.115373] R13: ffffaed74132ff10 R14: ffffaed74132ff10 R15: ffff8c050351e000 [ 39.123340] FS: 00007ff2d623f580(0000) GS:ffff8c057ac00000(0000) knlGS:0000000000000000 [ 39.132376] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.138790] CR2: ffffffff8f20cc00 CR3: 0000000104018005 CR4: 00000000003706f0 [ 39.146759] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 39.156668] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1539, name: cat [ 39.165121] INFO: lockdep is turned off. [ 39.169497] irq event stamp: 0 [ 39.172901] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 39.179900] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 [ 39.189033] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 [ 39.198166] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 39.205164] CPU: 0 PID: 1539 Comm: cat Tainted: G D W 5.10.178-cip31 #1 [ 39.213801] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 39.220603] Call Trace: [ 39.223330] dump_stack+0x77/0x9b [ 39.227033] ___might_sleep.cold+0xa6/0xb6 [ 39.231605] exit_signals+0x1c/0x300 [ 39.235598] do_exit+0xc2/0xab0 [ 39.239102] ? ksys_write+0x68/0xf0 [ 39.242993] make_task_dead+0x2f/0x30 [ 39.247079] rewind_stack_and_make_dead+0x17/0x20 [ 39.252328] RIP: 0033:0x7ff2d6155833 [ 39.256315] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 39.277291] RSP: 002b:00007ffc78bced18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 39.285737] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007ff2d6155833 [ 39.293703] RDX: 000000000000000a RSI: 00007ff2d6048000 RDI: 0000000000000001 [ 39.301670] RBP: 00007ff2d6048000 R08: 00007ff2d6047010 R09: 0000000000000000 [ 39.309637] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 39.317603] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 6.944170] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 36.956784] CR2: 00007fd89a31e000 CR3: 000000010372e001 CR4: 00000000003706f0 # [ 36.970992] Call Trace: # [ 36.979972] lkdtm_UNSET_SMEP.cold+0x1d/0x103 # [ 36.991030] direct_entry.cold+0x2c/0x38 # [ 37.001647] full_proxy_write+0x53/0x80 # [ 37.012204] vfs_write+0xe7/0x3b0 # [ 37.022047] ksys_write+0x68/0xf0 # [ 37.032028] do_syscall_64+0x30/0x40 # [ 37.042203] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 37.054110] RIP: 0033:0x7fd89a42b833 # [ 37.064262] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 37.091520] RSP: 002b:00007ffc84901fb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 37.106173] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007fd89a42b833 # [ 37.120394] RDX: 000000000000000b RSI: 00007fd89a31e000 RDI: 0000000000000001 # [ 37.134569] RBP: 00007fd89a31e000 R08: 00007fd89a31d010 R09: 0000000000000000 # [ 37.148820] R10: fffffffffffffbc5 R11: 000[ 39.435933] lkdtm: Performing direct entry EXEC_STACK [ 39.443114] lkdtm: attempting ok execution at ffffffff8c378960 [ 39.449644] lkdtm: attempting bad execution at ffffaed74227fe18 [ 39.456287] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) 0000000000246 R12: 0000000000000001 # [ 37.162971] R13: 00000[ 39.464654] BUG: unable to handle page fault for address: ffffaed74227fe18 [ 39.478546] #PF: supervisor instruction fetch in kernel mode [ 39.484856] #PF: error_code(0x0011) - permissions violation [ 39.491078] PGD 100000067 P4D 100000067 PUD 100231067 PMD 10347a067 PTE 80000001044fe063 [ 39.500119] Oops: 0011 [#6] SMP PTI [ 39.504009] CPU: 2 PID: 1575 Comm: cat Tainted: G D W 5.10.178-cip31 #1 [ 39.512658] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 39.519462] RIP: 0010:0xffffaed74227fe18 [ 39.523838] Code: 00 00 18 fe 27 42 d7 ae ff ff c9 95 a0 8c ff ff ff ff 20 00 00 00 00 00 00 00 1e 7f 7f 8d ff ff ff ff f8 96 a0 8c 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 [ 39.544834] RSP: 0018:ffffaed74227fdf8 EFLAGS: 00010246 [ 39.550668] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 39.558637] RDX: 0000000000000000 RSI: ffff8c057ad1bf70 RDI: ffff8c057ad1bf70 [ 39.566607] RBP: ffffaed74227fe18 R08: 0000000000000000 R09: 0000000000000000 [ 39.574576] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b [ 39.582545] R13: ffffaed74227ff10 R14: ffffaed74227ff10 R15: ffff8c0503249000 [ 39.590515] FS: 00007f38d82ee580(0000) GS:ffff8c057ad00000(0000) knlGS:0000000000000000 [ 39.599553] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.605967] CR2: ffffaed74227fe18 CR3: 00000001035ba005 CR4: 00000000003706e0 [ 39.613936] Call Trace: [ 39.616676] ? execute_location+0x45/0x56 [ 39.621180] ? lkdtm_EXEC_STACK+0x26/0x44 [ 39.625668] ? direct_entry.cold+0x2c/0x38 [ 39.630241] ? full_proxy_write+0x53/0x80 [ 39.634716] ? vfs_write+0xe7/0x3b0 [ 39.638608] ? ksys_write+0x68/0xf0 [ 39.642502] ? do_syscall_64+0x30/0x40 [ 39.646685] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 00000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 3[ 39.652521] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_ec_debugfs cros_ec_lightbar cros_ec_sensorhub videobuf2_memops cros_usbpd_charger videobuf2_v4l2 snd_soc_da7219 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_core videobuf2_common snd_compress snd_pcm_dmaengine regmap_i2c coreboot_table i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight [ 39.711219] CR2: ffffaed74227fe18 [ 39.714916] ---[ end trace 7e1796e8a934a112 ]--- [ 39.720062] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 39.724451] Code: 89 ff e8 fe f0 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 20 46 e9 02 [ 39.745455] RSP: 0018:ffffaed74132fe60 EFLAGS: 00010286 [ 39.751288] RAX: ffffffff8c378590 RBX: 0000000000000001 RCX: 0000000000000000 [ 39.759257] RDX: 0000000000000000 RSI: ffff8c057ac1bf70 RDI: ffffffff8d37e0b0 [ 39.767226] RBP: ffffffff8d85c448 R08: 0000000000000001 R09: 0000000000000001 [ 39.775195] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 39.783163] R13: ffffaed74132ff10 R14: ffffaed74132ff10 R15: ffff8c050351e000 [ 39.791131] FS: 00007f38d82ee580(0000) GS:ffff8c057ad00000(0000) knlGS:0000000000000000 [ 39.800169] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.806585] CR2: ffffaed74227fe18 CR3: 00000001035ba005 CR4: 00000000003706e0 7.177181] irq event stamp: 0 # [ 37.186773] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 37.199992] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 37.215347] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 37.230729] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 37.243944] ---[ end trace 7e1796e8a934a110 ]--- # [ 37.255332] lkdtm: ok: SMEP did not get cleared # [ 37.266596] lkdtm: trying to clear SMEP with call gadget # [ 37.278759] 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 # [ 37.406013] lkdtm: Performing direct entry DOUBLE_FAULT # [ 37.414092] 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 # [ 37.516582] lkdtm: Performing direct entry CORRUPT_PAC # [ 37.524429] 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 # [ 37.630610] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE # [ 37.642622] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS # UNALIGNED_LOAD_STORE_WRITE: saw 'XFAIL': [SKIP] ok 17 selftests: lkdtm: UNALIGNED_LOAD_STORE_WRITE.sh # SKIP # selftests: lkdtm: OVERWRITE_ALLOCATION.sh # Skipping OVERWRITE_ALLOCATION: Corrupts memory on failure ok 18 selftests: lkdtm: OVERWRITE_ALLOCATION.sh # SKIP # selftests: lkdtm: WRITE_AFTER_FREE.sh # Skipping WRITE_AFTER_FREE: Corrupts memory on failure ok 19 selftests: lkdtm: WRITE_AFTER_FREE.sh # SKIP # selftests: lkdtm: READ_AFTER_FREE.sh # [ 37.836754] lkdtm:[ 39.993198] lkdtm: Performing direct entry EXEC_KMALLOC Performing direct entry READ_AFTER_FREE # [ 37.849027] lkdtm[ 40.000674] lkdtm: attempting ok execution at ffffffff8c378960 : Value in memory before free: 12345678 # [ 37.854963] lkdtm:[ 40.013407] lkdtm: attempting bad execution at ffff8c0503b23600 Attempting bad read from freed memory # [ 37.860897] lkdtm: [ 40.026237] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 40.040807] BUG: unable to handle page fault for address: ffff8c0503b23600 Memory was not poisoned # READ_AFTER_FREE: missing 'call trace:[ 40.048506] #PF: supervisor instruction fetch in kernel mode [ 40.061039] #PF: error_code(0x0011) - permissions violation [ 40.067262] PGD 2f201067 P4D 2f201067 PUD 100870063 PMD 103b15063 PTE 8000000103b23063 ': [FAIL] not ok 20 selftests: lkdtm: READ_AFTER_FREE.sh # exit[ 40.076111] Oops: 0011 [#7] SMP PTI [ 40.086216] CPU: 1 PID: 1611 Comm: cat Tainted: G D W 5.10.178-cip31 #1 [ 40.094855] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 40.101660] RIP: 0010:0xffff8c0503b23600 [ 40.106035] Code: 00 00 02 00 00 00 00 00 00 00 80 33 b2 03 05 8c ff ff 04 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 eb ef 8f 8b ff ff ff ff <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 [ 40.127016] RSP: 0018:ffffaed7422ffe38 EFLAGS: 00010246 [ 40.132841] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 40.140810] RDX: 0000000000000000 RSI: ffff8c057ac9bf70 RDI: ffff8c057ac9bf70 [ 40.148778] RBP: ffff8c0503b23600 R08: 0000000000000000 R09: 0000000000000000 [ 40.156746] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d [ 40.164714] R13: ffffaed7422fff10 R14: ffffaed7422fff10 R15: ffff8c050356f000 [ 40.172682] FS: 00007fc7e2248580(0000) GS:ffff8c057ac80000(0000) knlGS:0000000000000000 [ 40.181718] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 40.188132] CR2: ffff8c0503b23600 CR3: 0000000103584004 CR4: 00000000003706e0 [ 40.196099] Call Trace: [ 40.198828] ? execute_location+0x45/0x56 =1 # selftests: lkdtm: WRITE_BUDDY_AFTER_FREE.sh # Skipping WR[ 40.203303] ? lkdtm_EXEC_KMALLOC+0x2c/0x40 [ 40.214180] ? direct_entry.cold+0x2c/0x38 [ 40.218746] ? full_proxy_write+0x53/0x80 ITE_BUDDY_AFTER_FREE: Corrupts memory on failure ok 21 selftest[ 40.223221] ? vfs_write+0xe7/0x3b0 [ 40.233324] ? ksys_write+0x68/0xf0 [ 40.237208] ? do_syscall_64+0x30/0x40 s: lkdtm: WRITE_BUDDY_AFTER_FREE.sh # SKIP # selftests: lkdtm: [ 40.241405] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 READ_BUDDY_AFTER_FREE.sh # [ 37.982202] lkdtm: Performing dir[ 40.253453] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_ec_debugfs cros_ec_lightbar cros_ec_sensorhub videobuf2_memops cros_usbpd_charger videobuf2_v4l2 snd_soc_da7219 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_core videobuf2_common snd_compress snd_pcm_dmaengine regmap_i2c coreboot_table i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight [ 40.312111] CR2: ffff8c0503b23600 [ 40.315807] ---[ end trace 7e1796e8a934a113 ]--- [ 40.320961] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 40.325337] Code: 89 ff e8 fe f0 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 20 46 e9 02 [ 40.346308] RSP: 0018:ffffaed74132fe60 EFLAGS: 00010286 [ 40.352140] RAX: ffffffff8c378590 RBX: 0000000000000001 RCX: 0000000000000000 [ 40.360107] RDX: 0000000000000000 RSI: ffff8c057ac1bf70 RDI: ffffffff8d37e0b0 [ 40.368075] RBP: ffffffff8d85c448 R08: 0000000000000001 R09: 0000000000000001 [ 40.376041] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 40.384007] R13: ffffaed74132ff10 R14: ffffaed74132ff10 R15: ffff8c050351e000 [ 40.391976] FS: 00007fc7e2248580(0000) GS:ffff8c057ac80000(0000) knlGS:0000000000000000 [ 40.401003] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 40.407417] CR2: ffff8c0503b23600 CR3: 0000000103584004 CR4: 00000000003706e0 [ 40.415385] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 40.425296] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1611, name: cat [ 40.433748] INFO: lockdep is turned off. [ 40.438124] irq event stamp: 0 [ 40.441529] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 40.448527] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 [ 40.457652] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 [ 40.466777] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 40.473776] CPU: 1 PID: 1611 Comm: cat Tainted: G D W 5.10.178-cip31 #1 [ 40.482416] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 40.489217] Call Trace: [ 40.491951] dump_stack+0x77/0x9b ect entry READ_BUDDY_AFTER_FREE # [ 37.990328] lkdtm: Value i[ 40.495651] ___might_sleep.cold+0xa6/0xb6 [ 40.506433] exit_signals+0x1c/0x300 n memory before free: 12345678 # [ 38.002475] lkdtm: Attempti[ 40.510423] do_exit+0xc2/0xab0 [ 40.520137] ? ksys_write+0x68/0xf0 [ 40.524029] make_task_dead+0x2f/0x30 [ 40.528115] rewind_stack_and_make_dead+0x17/0x20 [ 40.533364] RIP: 0033:0x7fc7e215e833 [ 40.537352] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 40.558323] RSP: 002b:00007ffe9cbf62e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 40.566778] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007fc7e215e833 [ 40.574745] RDX: 000000000000000d RSI: 00007fc7e2051000 RDI: 0000000000000001 [ 40.582715] RBP: 00007fc7e2051000 R08: 00007fc7e2050010 R09: 0000000000000000 [ 40.590684] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 40.598653] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ng to read from freed memory # [ 38.008346] 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 # [ 38.125394] lkdtm: Performing direct entry SLAB_FREE_DOUBLE # [ 38.137792] lkdtm: Attempting double slab free ... # SLAB_FREE_DOUBLE: missing 'call trace:': [FAIL] not ok 23 selftests: lkdtm: SLAB_FREE_DOUBLE.sh # exit=1 # selftests: lkdtm: SLAB_FREE_CROSS.sh # [ 38.270402] lkdtm: Performing direct entry SLAB_FREE_CROSS # [ 38.279917] lkdtm: Attempting cross-cache slab free ... # SLAB_FREE_CROSS: missing 'call trace:': [FAIL] not ok 24 selftests: lkdtm: SLAB_FREE_CROSS.sh # exit=1 # selftests: lkdtm: SLAB_FREE_PAGE.sh # [ 38.419625] lkdtm: Performing direct entry SLAB_FREE_PAGE # [ 38.428599] lkdtm: Attempting non-Slab slab free ... # SLAB_FREE_PAGE: missing 'call trace:': [FAIL] not ok 25 selftests: lkdtm: SLAB_FREE_PAGE.sh # exit=1 # selftests: lkdtm: SOFTLOCKUP.sh # Skipping SOFTLOCKUP: Hangs the system ok 26 selftests: lkdtm: SOFTLOCKUP.sh # SKIP # selftests: l[ 40.715623] lkdtm: Performing direct entry EXEC_VMALLOC kdtm: HARDLOCKUP.sh # Skipping HARDLOCKUP: Hangs the system ok[ 40.724366] lkdtm: attempting ok execution at ffffffff8c378960 27 selftests: lkdtm: HARDLOCKUP.sh # SKIP # selftests: lkdtm: [ 40.737111] lkdtm: attempting bad execution at ffffaed74036b000 SPINLOCKUP.sh # Skipping SPINLOCKUP: Hangs the system ok 28 se[ 40.749940] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 40.764473] BUG: unable to handle page fault for address: ffffaed74036b000 [ 40.772151] #PF: supervisor instruction fetch in kernel mode [ 40.778479] #PF: error_code(0x0011) - permissions violation [ 40.784700] PGD 100000067 P4D 100000067 PUD 100231067 PMD 1009d3067 PTE 80000001035d0063 [ 40.793747] Oops: 0011 [#8] SMP PTI [ 40.797637] CPU: 0 PID: 1647 Comm: cat Tainted: G D W 5.10.178-cip31 #1 [ 40.806285] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 40.813090] RIP: 0010:0xffffaed74036b000 [ 40.817467] Code: Unable to access opcode bytes at RIP 0xffffaed74036afd6. [ 40.825145] RSP: 0018:ffffaed742387e38 EFLAGS: 00010246 [ 40.830978] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 40.838948] RDX: 0000000000000000 RSI: ffff8c057ac1bf70 RDI: ffff8c057ac1bf70 [ 40.846917] RBP: ffffaed74036b000 R08: 0000000000000000 R09: 0000000000000000 [ 40.854886] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d [ 40.862855] R13: ffffaed742387f10 R14: ffffaed742387f10 R15: ffff8c05035d0000 [ 40.870823] FS: 00007f83ce114580(0000) GS:ffff8c057ac00000(0000) knlGS:0000000000000000 [ 40.879858] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 40.886280] CR2: ffffaed74036afd6 CR3: 00000001044ee004 CR4: 00000000003706f0 [ 40.894266] Call Trace: [ 40.896995] ? execute_location+0x45/0x56 [ 40.901466] ? lkdtm_EXEC_VMALLOC+0x20/0x30 [ 40.906124] ? direct_entry.cold+0x2c/0x38 [ 40.910696] ? full_proxy_write+0x53/0x80 [ 40.915178] ? vfs_write+0xe7/0x3b0 [ 40.919071] ? ksys_write+0x68/0xf0 [ 40.922965] ? do_syscall_64+0x30/0x40 [ 40.927159] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 40.932995] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_ec_debugfs cros_ec_lightbar cros_ec_sensorhub videobuf2_memops cros_usbpd_charger videobuf2_v4l2 snd_soc_da7219 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_core videobuf2_common snd_compress snd_pcm_dmaengine regmap_i2c coreboot_table i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight [ 40.985470] CR2: ffffaed74036b000 [ 40.989168] ---[ end trace 7e1796e8a934a114 ]--- [ 40.994314] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 40.998689] Code: 89 ff e8 fe f0 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 20 46 e9 02 [ 41.019668] RSP: 0018:ffffaed74132fe60 EFLAGS: 00010286 [ 41.025500] RAX: ffffffff8c378590 RBX: 0000000000000001 RCX: 0000000000000000 [ 41.033469] RDX: 0000000000000000 RSI: ffff8c057ac1bf70 RDI: ffffffff8d37e0b0 [ 41.041436] RBP: ffffffff8d85c448 R08: 0000000000000001 R09: 0000000000000001 [ 41.049406] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 41.057376] R13: ffffaed74132ff10 R14: ffffaed74132ff10 R15: ffff8c050351e000 [ 41.065345] FS: 00007f83ce114580(0000) GS:ffff8c057ac00000(0000) knlGS:0000000000000000 [ 41.074383] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.080797] CR2: ffffaed74036afd6 CR3: 00000001044ee004 CR4: 00000000003706f0 lftests: 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 # [ 38.764465] lkdtm: Performing direct entry EXEC_DATA # [ 38.775480] lkdtm: attempting ok execution at ffffffff8c378960 # [ 38.788159] lkdtm: attempting bad execution at ffffffff8f20cc00 # [ 38.800968] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 38.815513] BUG: unable to handle page fault for address: ffffffff8f20cc00 # [ 38.823189] #PF: supervisor instruction fetch in kernel mode # [ 38.829505] #PF: error_code(0x0011) - permissions violation # [ 38.835724] PGD 2d829067 P4D 2d829067 PUD 2d82a063 PMD 800000002f0000e3 # [ 38.843215] Oops: 0011 [#5] SMP PTI # [ 38.847106] CPU: 0 PID: 1539 Comm: cat Tainted: G D W 5.10.178-cip31 #1 # [ 38.855743] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 38.862548] RIP: 0010:data_area+0x0/0x40 # [ 38.866929] Code: ff ff 00 32 e8 04 05 8c ff ff 00 31 e8 04 05 8c 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 # [ 38.887897] RSP: 0018:ffffaed7421e7e48 EFLAGS: 00010246 # [ 38.893722] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 38.901681] RDX: 0000000000000000 RSI: ffff8c057ac1bf70 RDI: ffff8c057ac1bf70 # [ 38.909647] RBP: ffffffff8f20cc00 R08: 000000000000[ 41.235846] lkdtm: Performing direct entry EXEC_RODATA [ 41.243729] lkdtm: attempting ok execution at ffffffff8c378960 [ 41.250276] lkdtm: attempting bad execution at ffffffff8d37e540 [ 41.256911] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) 0000 R09: 0000000000000000 # [ 38.917614] R10: 00000000ffffe0[ 41.265278] BUG: unable to handle page fault for address: ffffffff8d37e540 [ 41.279170] #PF: supervisor instruction fetch in kernel mode [ 41.285489] #PF: error_code(0x0011) - permissions violation 00[ R11: 3fffffffffffffff R12: 000000000000000a # [ 38.925582] 41.291711] PGD 2d829067 P4D 2d829067 PUD 2d82a063 PMD 800000002d0000e1 [ 41.305415] Oops: 0011 [#9] SMP PTI [ 41.309298] CPU: 2 PID: 1683 Comm: cat Tainted: G D W 5.10.178-cip31 #1 [ 41.317936] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 41.324742] RIP: 0010:lkdtm_rodata_do_nothing+0x0/0x10 [ 41.330478] Code: ff ff 68 ab a0 8c ff ff ff ff 6a 81 7f 8d ff ff ff ff ae 92 a0 8c 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 [ 41.351480] RSP: 0018:ffffaed742417e48 EFLAGS: 00010246 [ 41.357314] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 [ 41.365282] RDX: 0000000000000000 RSI: ffff8c057ad1bf70 RDI: ffff8c057ad1bf70 [ 41.373248] RBP: ffffffff8d37e540 R08: 0000000000000000 R09: 0000000000000000 [ 41.381216] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c [ 41.389183] R13: ffffaed742417f10 R14: ffffaed742417f10 R15: ffff8c0503faf000 [ 41.397150] FS: 00007f4a4ffb5580(0000) GS:ffff8c057ad00000(0000) knlGS:0000000000000000 [ 41.406186] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.412600] CR2: ffffffff8d37e540 CR3: 0000000103792005 CR4: 00000000003706e0 [ 41.420569] Call Trace: [ 41.423297] ? execute_location+0x45/0x56 [ 41.427773] ? direct_entry.cold+0x2c/0x38 [ 41.432345] ? full_proxy_write+0x53/0x80 R13: ffffaed7421e7f10 R14: ffffaed7421e7f10 R15: ffff8c0503c030[ 41.436823] ? vfs_write+0xe7/0x3b0 [ 41.446926] ? ksys_write+0x68/0xf0 [ 41.450820] ? do_syscall_64+0x30/0x40 [ 41.455002] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 00 # [ 38.933551] FS: 00007ff2d623f580(0000) GS:ffff8c057ac0[ 41.460838] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_ec_debugfs cros_ec_lightbar cros_ec_sensorhub videobuf2_memops cros_usbpd_charger videobuf2_v4l2 snd_soc_da7219 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_core videobuf2_common snd_compress snd_pcm_dmaengine regmap_i2c coreboot_table i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight [ 41.519542] CR2: ffffffff8d37e540 [ 41.523251] ---[ end trace 7e1796e8a934a115 ]--- [ 41.528407] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 41.532784] Code: 89 ff e8 fe f0 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 20 46 e9 02 [ 41.553769] RSP: 0018:ffffaed74132fe60 EFLAGS: 00010286 [ 41.559603] RAX: ffffffff8c378590 RBX: 0000000000000001 RCX: 0000000000000000 [ 41.567572] RDX: 0000000000000000 RSI: ffff8c057ac1bf70 RDI: ffffffff8d37e0b0 [ 41.575541] RBP: ffffffff8d85c448 R08: 0000000000000001 R09: 0000000000000001 [ 41.583510] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 41.591480] R13: ffffaed74132ff10 R14: ffffaed74132ff10 R15: ffff8c050351e000 [ 41.599449] FS: 00007f4a4ffb5580(0000) GS:ffff8c057ad00000(0000) knlGS:0000000000000000 [ 41.608487] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.614901] CR2: ffffffff8d37e540 CR3: 0000000103792005 CR4: 00000000003706e0 [ 41.622871] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 41.632774] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1683, name: cat [ 41.641229] INFO: lockdep is turned off. [ 41.645603] irq event stamp: 0 [ 41.649010] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 41.656011] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 [ 41.665148] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 [ 41.674283] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 41.681282] CPU: 2 PID: 1683 Comm: cat Tainted: G D W 5.10.178-cip31 #1 [ 41.689943] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 41.696748] Call Trace: [ 41.699476] dump_stack+0x77/0x9b [ 41.703174] ___might_sleep.cold+0xa6/0xb6 [ 41.707746] exit_signals+0x1c/0x300 [ 41.711735] do_exit+0xc2/0xab0 [ 41.715229] ? ksys_write+0x68/0xf0 [ 41.719122] make_task_dead+0x2f/0x30 [ 41.723200] rewind_stack_and_make_dead+0x17/0x20 [ 41.728450] RIP: 0033:0x7f4a4fecb833 [ 41.732438] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 41.753411] RSP: 002b:00007ffee8a55528 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 41.761873] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f4a4fecb833 [ 41.769859] RDX: 000000000000000c RSI: 00007f4a4fdbe000 RDI: 0000000000000001 [ 41.777847] RBP: 00007f4a4fdbe000 R08: 00007f4a4fdbd010 R09: 0000000000000000 [ 41.785807] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 41.793776] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 0000(0000) knlGS:0000000000000000 # [ 38.942577] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 38.948992] CR2: ffffffff8f20cc00 CR3: 0000000104018005 CR4: 00000000003706f0 # [ 38.956960] Call Trace: # [ 38.959689] ? execute_location+0x45/0x56 # [ 38.964161] ? direct_entry.cold+0x2c/0x38 # [ 38.968733] ? full_proxy_write+0x53/0x80 # [ 38.973213] ? vfs_write+0xe7/0x3b0 # [ 38.977104] ? ksys_write+0x68/0xf0 # [ 38.980998] ? do_syscall_64+0x30/0x40 # [ 38.985187] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 38.991023] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_ec_debugfs cros_ec_lightbar cros_ec_sensorhub videobuf2_memops cros_usbpd_charger videobuf2_v4l2 snd_soc_da7219 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_core videobuf2_common snd_compress snd_pcm_dmaengine regmap_i2c coreboot_table i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight # [ 39.043483] CR2: ffffffff8f20cc00 # [ 39.047178] ---[ end trace 7e1796e8a934a111 ]--- # [ 39.052333] RIP: 0010[ 41.915256] lkdtm: Performing direct entry EXEC_USERSPACE [ 41.925898] lkdtm: attempting ok execution at ffffffff8c378960 [ 41.932428] lkdtm: attempting bad execution at 00007fd2465e4000 [ 41.939068] unable to execute userspace code (SMEP?) (uid: 0) :lkdtm_BUG+0x5/0x10 # [ 39.056709] Code: 89 ff e8 fe f0 79 ff[ 41.945494] BUG: unable to handle page fault for address: 00007fd2465e4000 [ 41.959386] #PF: supervisor instruction fetch in kernel mode [ 41.965707] #PF: error_code(0x0011) - permissions violation [ 41.971928] PGD 800000010368d067 P4D 800000010368d067 PUD 103d9d067 PMD 102650067 PTE 10bbc4067 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc [ 41.981653] Oops: 0011 [#10] SMP PTI [ 41.991855] CPU: 3 PID: 1719 Comm: cat Tainted: G D W 5.10.178-cip31 #1 [ 42.000526] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 42.007334] RIP: 0010:0x7fd2465e4000 [ 42.011322] Code: Unable to access opcode bytes at RIP 0x7fd2465e3fd6. [ 42.018611] RSP: 0018:ffffaed74249fe50 EFLAGS: 00010246 [ 42.024446] RAX: 0000000000000033 RBX: 0000000000000024 RCX: 0000000000000000 [ 42.032418] RDX: 0000000000000000 RSI: ffff8c057ad9bf70 RDI: ffff8c057ad9bf70 [ 42.040391] RBP: 00007fd2465e4000 R08: 0000000000000000 R09: 0000000000000000 [ 42.048378] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000f [ 42.056372] R13: ffffaed74249ff10 R14: ffffaed74249ff10 R15: ffff8c05036d1000 [ 42.064357] FS: 00007fd2465b5580(0000) GS:ffff8c057ad80000(0000) knlGS:0000000000000000 [ 42.073402] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.079818] CR2: 00007fd2465e4000 CR3: 000000010595c006 CR4: 00000000003706e0 [ 42.087787] Call Trace: [ 42.090515] ? lkdtm_EXEC_USERSPACE.cold+0x66/0xae [ 42.095865] ? direct_entry.cold+0x2c/0x38 [ 42.100437] ? full_proxy_write+0x53/0x80 [ 42.104905] ? vfs_write+0xe7/0x3b0 [ 42.108797] ? ksys_write+0x68/0xf0 [ 42.112681] ? do_syscall_64+0x30/0x40 [ 42.116856] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00[ 42.122693] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_ec_debugfs cros_ec_lightbar cros_ec_sensorhub videobuf2_memops cros_usbpd_charger videobuf2_v4l2 snd_soc_da7219 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_core videobuf2_common snd_compress snd_pcm_dmaengine regmap_i2c coreboot_table i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight [ 42.181403] CR2: 00007fd2465e4000 [ 42.185101] ---[ end trace 7e1796e8a934a116 ]--- [ 42.190248] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 42.194616] Code: 89 ff e8 fe f0 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 20 46 e9 02 [ 42.215603] RSP: 0018:ffffaed74132fe60 EFLAGS: 00010286 [ 42.221437] RAX: ffffffff8c378590 RBX: 0000000000000001 RCX: 0000000000000000 [ 42.229407] RDX: 0000000000000000 RSI: ffff8c057ac1bf70 RDI: ffffffff8d37e0b0 [ 42.237377] RBP: ffffffff8d85c448 R08: 0000000000000001 R09: 0000000000000001 [ 42.245345] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 42.253314] R13: ffffaed74132ff10 R14: ffffaed74132ff10 R15: ffff8c050351e000 [ 42.261283] FS: 00007fd2465b5580(0000) GS:ffff8c057ad80000(0000) knlGS:0000000000000000 [ 42.270322] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.276738] CR2: 00007fd2465e4000 CR3: 000000010595c006 CR4: 00000000003706e0 00 00 00 00 0f 1f 44 00 00 83 05 20 46 e9 02 # [ 39.077681] RSP: 0018:ffffaed74132fe60 EFLAGS: 00010286 # [ 39.083505] RAX: ffffffff8c378590 RBX: 0000000000000001 RCX: 0000000000000000 # [ 39.091472] RDX: 0000000000000000 RSI: ffff8c057ac1bf70 RDI: ffffffff8d37e0b0 # [ 39.099441] RBP: ffffffff8d85c448 R08: 0000000000000001 R09: 0000000000000001 # [ 39.107407] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 39.115373] R13: ffffaed74132ff10 R14: ffffaed74132ff10 R15: ffff8c050351e000 # [ 39.123340] FS: 00007ff2d623f580(0000) GS:ffff8c057ac00000(0000) knlGS:0000000000000000 # [ 39.132376] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 39.138790] CR2: ffffffff8f20cc00 CR3: 0000000104018005 CR4: 00000000003706f0 # [ 39.146759] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 39.156668] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1539, name: cat # [ 39.165121] INFO: lockdep is turned off. # [ 39.169497] irq event stamp: 0 # [ 39.172901] hardirqs last ena[ 42.390060] lkdtm: Performing direct entry EXEC_NULL bled at (0): [<0000000000000000>] 0x0 # [ 39.179900] hardirqs[ 42.395953] lkdtm: attempting ok execution at ffffffff8c378960 last disabled at (0): [] copy_process+0x664/0[ 42.408685] lkdtm: attempting bad execution at 0000000000000000 x1c60 # [ 39.189033] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 39.198166] softirqs[ 42.450380] Oops: 0010 [#11] SMP PTI [ 42.460582] CPU: 1 PID: 1755 Comm: cat Tainted: G D W 5.10.178-cip31 #1 [ 42.469234] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 42.476041] RIP: 0010:0x0 [ 42.478954] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6. [ 42.486634] RSP: 0018:ffffaed74251fe48 EFLAGS: 00010246 [ 42.492468] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 [ 42.500440] RDX: 0000000000000000 RSI: ffff8c057ac9bf70 RDI: ffff8c057ac9bf70 [ 42.508411] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 42.516382] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a [ 42.524353] R13: ffffaed74251ff10 R14: ffffaed74251ff10 R15: ffff8c0504986000 [ 42.532324] FS: 00007fa61a010580(0000) GS:ffff8c057ac80000(0000) knlGS:0000000000000000 [ 42.541362] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.547779] CR2: ffffffffffffffd6 CR3: 0000000103784004 CR4: 00000000003706e0 [ 42.555749] Call Trace: [ 42.558478] execute_location+0x45/0x56 last disabled at (0): [<0000000000000000>] 0x0 # [ 39.205164[ 42.562761] direct_entry.cold+0x2c/0x38 [ 42.573355] full_proxy_write+0x53/0x80 ] CPU: 0 PID: 1539 Comm: cat Tainted: G D W 5.10.17[ 42.577644] vfs_write+0xe7/0x3b0 [ 42.587554] ksys_write+0x68/0xf0 [ 42.591253] do_syscall_64+0x30/0x40 [ 42.595244] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 42.600882] RIP: 0033:0x7fa619f26833 [ 42.604872] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 42.625859] RSP: 002b:00007fffadcfe018 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 42.634308] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fa619f26833 [ 42.642280] RDX: 000000000000000a RSI: 00007fa619e19000 RDI: 0000000000000001 [ 42.650250] RBP: 00007fa619e19000 R08: 00007fa619e18010 R09: 0000000000000000 [ 42.658220] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 42.666191] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 8-cip31 #1 # [ 39.213801] Hardware name: Google Rammus/Rammus[ 42.674157] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_ec_debugfs cros_ec_lightbar cros_ec_sensorhub videobuf2_memops cros_usbpd_charger videobuf2_v4l2 snd_soc_da7219 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_core videobuf2_common snd_compress snd_pcm_dmaengine regmap_i2c coreboot_table i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight [ 42.732834] CR2: 0000000000000000 [ 42.736533] ---[ end trace 7e1796e8a934a117 ]--- [ 42.741689] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 42.746067] Code: 89 ff e8 fe f0 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 20 46 e9 02 [ 42.767052] RSP: 0018:ffffaed74132fe60 EFLAGS: 00010286 [ 42.772887] RAX: ffffffff8c378590 RBX: 0000000000000001 RCX: 0000000000000000 [ 42.780857] RDX: 0000000000000000 RSI: ffff8c057ac1bf70 RDI: ffffffff8d37e0b0 [ 42.788828] RBP: ffffffff8d85c448 R08: 0000000000000001 R09: 0000000000000001 [ 42.796800] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 42.804772] R13: ffffaed74132ff10 R14: ffffaed74132ff10 R15: ffff8c050351e000 [ 42.812742] FS: 00007fa61a010580(0000) GS:ffff8c057ac80000(0000) knlGS:0000000000000000 [ 42.821782] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.828197] CR2: ffffffffffffffd6 CR3: 0000000103784004 CR4: 00000000003706e0 [ 42.836168] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 42.846081] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1755, name: cat [ 42.854536] INFO: lockdep is turned off. [ 42.858914] irq event stamp: 0 [ 42.862320] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 42.869320] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 [ 42.878457] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 [ 42.887595] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 42.894595] CPU: 1 PID: 1755 Comm: cat Tainted: G D W 5.10.178-cip31 #1 [ 42.903249] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 42.910054] Call Trace: [ 42.912782] dump_stack+0x77/0x9b [ 42.916480] ___might_sleep.cold+0xa6/0xb6 [ 42.921053] exit_signals+0x1c/0x300 [ 42.925045] do_exit+0xc2/0xab0 [ 42.928548] ? ksys_write+0x68/0xf0 [ 42.932442] make_task_dead+0x2f/0x30 [ 42.936528] rewind_stack_and_make_dead+0x17/0x20 [ 42.941779] RIP: 0033:0x7fa619f26833 [ 42.945767] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 42.966752] RSP: 002b:00007fffadcfe018 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 42.975209] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fa619f26833 [ 42.983179] RDX: 000000000000000a RSI: 00007fa619e19000 RDI: 0000000000000001 [ 42.991150] RBP: 00007fa619e19000 R08: 00007fa619e18010 R09: 0000000000000000 [ 42.999125] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 43.007109] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 , BIOS 09/04/2020 # [ 39.220603] Call Trace: # [ 39.223330] dump_stack+0x77/0x9b # [ 39.227033] ___might_sleep.cold+0xa6/0xb6 # [ 39.231605] exit_signals+0x1c/0x300 # [ 39.235598] do_exit+0xc2/0xab0 # [ 39.239102] ? ksys_write+0x68/0xf0 # [ 39.242993] make_task_dead+0x2f/0x30 # [ 39.247079] rewind_stack_and_make_dead+0x17/0x20 # [ 39.252328] RIP: 0033:0x7ff2d6155833 # [ 39.256315] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 39.277291] RSP: 002b:00007ffc78bced18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 39.285737] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007ff2d6155833 # [ 39.293703] RDX: 000000000000000a RSI: 00007ff2d6048000 RDI: 0000000000000001 # [ 39.301670] RBP: 00007ff2d6048000 R08: 00007ff2d6047010 R09: 0000000000000000 # [ 39.309637] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 39.317603] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # EXEC_DATA: saw 'call trace:': ok ok 30 selftests: lkdtm: EXEC_DATA.sh # selftests: lkdtm: EXEC_STACK.sh # Killed # [ 39.435933] lkdtm: Performing direct entry EXEC_STACK # [ 39.443114] lkdtm: attempting ok execution at ffffffff8c378960 # [ 39.449644] lkdtm: attempting bad execution at ffffaed74227fe18 # [ 39.456287] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 39.464654] BUG: unable to handle page fault for address: ffffaed74227fe18 # [ 39.478546] #PF: supervisor instruction fetch in kernel mode # [ 39.484856] #PF: error_code(0x0011) - permissions violation # [ 39.491078] PGD 100000067 P4D 100000067 PUD 100231067 PMD 10347a067 PTE 80000001044fe063 # [ 39.500119] Oops: 0011 [#6] SMP PTI # [ 39.504009] CPU: 2 PID: 1575 Comm: cat Tainted: G D W 5.10.178-cip31 #1 # [ [ 43.207149] lkdtm: Performing direct entry ACCESS_USERSPACE 39.512658] Hardware name: Google Rammus/Rammus, BIOS 09/04/20[ 43.213996] lkdtm: attempting bad read at 00007fbfefcb2000 20 # [ 39.519462] RIP: 0010:0xffffaed74227fe18 # [ 39.5238[ 43.226346] BUG: unable to handle page fault for address: 00007fbfefcb2000 [ 43.240211] #PF: supervisor read access in kernel mode [ 43.245938] #PF: error_code(0x0001) - permissions violation [ 43.252159] PGD 8000000103895067 P4D 8000000103895067 PUD 103454067 PMD 10327c067 PTE 10b2ad067 [ 43.261885] Oops: 0001 [#12] SMP PTI [ 43.265874] CPU: 0 PID: 1790 Comm: cat Tainted: G D W 5.10.178-cip31 #1 [ 43.274524] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 43.281332] RIP: 0010:lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3 [ 43.287559] Code: 00 00 00 75 64 48 83 c4 10 5d c3 cc cc cc cc 48 89 ee 48 c7 c7 88 8e 7f 8d e8 47 d8 fb ff 48 c7 c7 b0 8e 7f 8d b8 de c0 de c0 <48> 03 45 00 48 89 04 24 e8 2e d8 fb ff 48 89 ee 48 c7 c7 d8 8e 7f [ 43.308543] RSP: 0018:ffffaed742587e48 EFLAGS: 00010246 [ 43.314369] RAX: 00000000c0dec0de RBX: 0000000000000026 RCX: 0000000000000000 [ 43.322329] RDX: 0000000000000000 RSI: ffff8c057ac1bf70 RDI: ffffffff8d7f8eb0 [ 43.330297] RBP: 00007fbfefcb2000 R08: 0000000000000000 R09: 0000000000000000 [ 43.338267] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000011 [ 43.346235] R13: ffffaed742587f10 R14: ffffaed742587f10 R15: ffff8c0503c37000 [ 43.354204] FS: 00007fbfefc83580(0000) GS:ffff8c057ac00000(0000) knlGS:0000000000000000 [ 43.363240] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.369654] CR2: 00007fbfefcb2000 CR3: 00000001035f4001 CR4: 00000000003706f0 [ 43.377624] Call Trace: [ 43.380353] direct_entry.cold+0x2c/0x38 [ 43.384737] full_proxy_write+0x53/0x80 [ 43.389023] vfs_write+0xe7/0x3b0 [ 43.392728] ksys_write+0x68/0xf0 [ 43.396426] do_syscall_64+0x30/0x40 [ 43.400420] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 43.406061] RIP: 0033:0x7fbfefb99833 [ 43.410049] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 43.431023] RSP: 002b:00007ffd2fdac428 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 43.439478] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007fbfefb99833 [ 43.447446] RDX: 0000000000000011 RSI: 00007fbfefa8c000 RDI: 0000000000000001 [ 43.455415] RBP: 00007fbfefa8c000 R08: 00007fbfefa8b010 R09: 0000000000000000 [ 43.463382] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 43.471351] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 43.479322] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_ec_debugfs cros_ec_lightbar cros_ec_sensorhub videobuf2_memops cros_usbpd_charger videobuf2_v4l2 snd_soc_da7219 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_core videobuf2_common snd_compress snd_pcm_dmaengine regmap_i2c coreboot_table i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight [ 43.531786] CR2: 00007fbfefcb2000 [ 43.535482] ---[ end trace 7e1796e8a934a118 ]--- [ 43.540637] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 43.545011] Code: 89 ff e8 fe f0 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 20 46 e9 02 [ 43.565991] RSP: 0018:ffffaed74132fe60 EFLAGS: 00010286 [ 43.571822] RAX: ffffffff8c378590 RBX: 0000000000000001 RCX: 0000000000000000 [ 43.579790] RDX: 0000000000000000 RSI: ffff8c057ac1bf70 RDI: ffffffff8d37e0b0 [ 43.587759] RBP: ffffffff8d85c448 R08: 0000000000000001 R09: 0000000000000001 [ 43.595727] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 43.603696] R13: ffffaed74132ff10 R14: ffffaed74132ff10 R15: ffff8c050351e000 [ 43.611664] FS: 00007fbfefc83580(0000) GS:ffff8c057ac00000(0000) knlGS:0000000000000000 [ 43.620698] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.627113] CR2: 00007fbfefcb2000 CR3: 00000001035f4001 CR4: 00000000003706f0 38] Code: 00 00 18 fe 27 42 d7 ae ff ff c9 95 a0 8c ff ff ff ff 20 00 00 00 00 00 00 00 1e 7f 7f 8d ff ff ff ff f8 96 a0 8c 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 # [ 39.544834] RSP: 0018:ffffaed74227fdf8 EFLAGS: 00010246 # [ 39.550668] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 39.558637] RDX: 0000000000000000 RSI: ffff8c057ad1bf70 RDI: ffff8c057ad1bf70 # [ 39.566607] RBP: ffffaed74227fe18 R08: 0000000000000000 R09: 0000000000000000 # [ 39.574576] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b # [ 39.582545] R13: ffffaed74227ff10 R14: ffffaed74227ff10 R15: ffff8c0503249000 # [ 39.590515] FS: 00007f38d82ee580(0000) GS:ffff8c057ad00000(0000) knlGS:0000000000000000 # [ 39.599553] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 39.605967] CR2: ffffaed74227fe18 CR3: 00000001035ba005 CR4: 00000000003706e0 # [ 39.613936] Call Trace: # [ 39.616676] ? execute_location+0x45/0x56 # [ 39.621180] ? lkdtm_EXEC_STACK+0x26/0x44 # [ 39.625668] ? direct_entry.cold+0x2c/0x38 # [ 39.630241] ? full_proxy_write+0x53/0x80 # [ 39.634716] ? vfs_write+0xe7/0x3b0 # [ 39.638608] ? ksys_write+0x68/0xf0 # [ 39.642502] ? do_syscall_64+0x30/0x40 # [ 39.646685] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 39.652521] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc cr[ 43.780405] lkdtm: Performing direct entry ACCESS_NULL [ 43.790098] lkdtm: attempting bad read at 0000000000000000 [ 43.796249] BUG: kernel NULL pointer dereference, address: 0000000000000000 os_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_ec_debugfs cr[ 43.804027] #PF: supervisor read access in kernel mode [ 43.815975] #PF: error_code(0x0000) - not-present page [ 43.821710] PGD 0 P4D 0 [ 43.824536] Oops: 0000 [#13] SMP PTI [ 43.828524] CPU: 3 PID: 1825 Comm: cat Tainted: G D W 5.10.178-cip31 #1 [ 43.837174] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 43.843980] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53 [ 43.849231] Code: eb d7 fb ff be 00 10 00 00 48 89 ef e8 0d b1 0f ff e9 69 ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 88 8e 7f 8d e8 c5 d7 fb ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 b0 8e 7f 8d 48 01 [ 43.870216] RSP: 0018:ffffaed742637e58 EFLAGS: 00010246 [ 43.876046] RAX: 000000000000002e RBX: 0000000000000027 RCX: 0000000000000000 [ 43.884032] RDX: 0000000000000000 RSI: ffff8c057ad9bf70 RDI: ffff8c057ad9bf70 [ 43.892016] RBP: ffffffff8d7f7f79 R08: 0000000000000000 R09: 0000000000000000 [ 43.899991] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c [ 43.907960] R13: ffffaed742637f10 R14: ffffaed742637f10 R15: ffff8c0503c28000 [ 43.915944] FS: 00007fe5f8a1e580(0000) GS:ffff8c057ad80000(0000) knlGS:0000000000000000 [ 43.924988] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.931405] CR2: 0000000000000000 CR3: 0000000103810001 CR4: 00000000003706e0 [ 43.939375] Call Trace: [ 43.942102] direct_entry.cold+0x2c/0x38 [ 43.946483] full_proxy_write+0x53/0x80 [ 43.950764] vfs_write+0xe7/0x3b0 [ 43.954454] ksys_write+0x68/0xf0 [ 43.958151] do_syscall_64+0x30/0x40 [ 43.962131] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 43.967771] RIP: 0033:0x7fe5f8934833 [ 43.971750] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 43.992735] RSP: 002b:00007fff4b2effb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 44.001191] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007fe5f8934833 [ 44.009161] RDX: 000000000000000c RSI: 00007fe5f8827000 RDI: 0000000000000001 [ 44.017132] RBP: 00007fe5f8827000 R08: 00007fe5f8826010 R09: 0000000000000000 [ 44.025101] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 44.033071] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 os_ec_lightbar cros_ec_sensorhub videobuf2_memops cros_usbpd_cha[ 44.041045] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_ec_debugfs cros_ec_lightbar cros_ec_sensorhub videobuf2_memops cros_usbpd_charger videobuf2_v4l2 snd_soc_da7219 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_core videobuf2_common snd_compress snd_pcm_dmaengine regmap_i2c coreboot_table i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight [ 44.099757] CR2: 0000000000000000 [ 44.103455] ---[ end trace 7e1796e8a934a119 ]--- [ 44.108611] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 44.112987] Code: 89 ff e8 fe f0 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 20 46 e9 02 [ 44.133974] RSP: 0018:ffffaed74132fe60 EFLAGS: 00010286 [ 44.139806] RAX: ffffffff8c378590 RBX: 0000000000000001 RCX: 0000000000000000 [ 44.147777] RDX: 0000000000000000 RSI: ffff8c057ac1bf70 RDI: ffffffff8d37e0b0 [ 44.155747] RBP: ffffffff8d85c448 R08: 0000000000000001 R09: 0000000000000001 [ 44.163724] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 44.171695] R13: ffffaed74132ff10 R14: ffffaed74132ff10 R15: ffff8c050351e000 [ 44.179667] FS: 00007fe5f8a1e580(0000) GS:ffff8c057ad80000(0000) knlGS:0000000000000000 [ 44.188700] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 44.195115] CR2: 0000000000000000 CR3: 0000000103810001 CR4: 00000000003706e0 [ 44.203086] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 44.212999] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1825, name: cat [ 44.221454] INFO: lockdep is turned off. [ 44.225831] irq event stamp: 0 [ 44.229236] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 44.236237] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 [ 44.245374] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 [ 44.254511] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 44.261510] CPU: 3 PID: 1825 Comm: cat Tainted: G D W 5.10.178-cip31 #1 [ 44.270161] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 44.276967] Call Trace: [ 44.279694] dump_stack+0x77/0x9b [ 44.283384] ___might_sleep.cold+0xa6/0xb6 [ 44.287957] exit_signals+0x1c/0x300 [ 44.291946] do_exit+0xc2/0xab0 [ 44.295440] ? ksys_write+0x68/0xf0 [ 44.299332] make_task_dead+0x2f/0x30 [ 44.303418] rewind_stack_and_make_dead+0x17/0x20 [ 44.308659] RIP: 0033:0x7fe5f8934833 [ 44.312649] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 44.333626] RSP: 002b:00007fff4b2effb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 44.342081] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007fe5f8934833 [ 44.350052] RDX: 000000000000000c RSI: 00007fe5f8827000 RDI: 0000000000000001 [ 44.358023] RBP: 00007fe5f8827000 R08: 00007fe5f8826010 R09: 0000000000000000 [ 44.365994] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 44.373964] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 rger videobuf2_v4l2 snd_soc_da7219 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_core videobuf2_common snd_compress snd_pcm_dmaengine regmap_i2c coreboot_table i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight # [ 39.711219] CR2: ffffaed74227fe18 # [ 39.714916] ---[ end trace 7e1796e8a934a112 ]--- # [ 39.720062] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 39.724451] Code: 89 ff e8 fe f0 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 20 46 e9 02 # [ 39.745455] RSP: 0018:ffffaed74132fe60 EFLAGS: 00010286 # [ 39.751288] RAX: ffffffff8c378590 RBX: 0000000000000001 RCX: 0000000000000000 # [ 39.759257] RDX: 0000000000000000 RSI: ffff8c057ac1bf70 RDI: ffffffff8d37e0b0 # [ 39.767226] RBP: ffffffff8d85c448 R08: 0000000000000001 R09: 0000000000000001 # [ 39.775195] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 39.783163] R13: ffffaed74132ff10 R14: ffffaed74132ff10 R15: ffff8c050351e000 # [ 39.791131] FS: 00007f38d82ee580(0000) GS:ffff8c057ad00000(0000) knlGS:0000000000000000 # [ 39.800169] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 39.806585] CR2: ffffaed74227fe18 CR3: 00000[ 44.502958] lkdtm: Performing direct entry WRITE_RO 001035ba005 CR4: 00000000003706e0 # EXEC_STACK: saw 'call trace[ 44.511754] lkdtm: attempting bad rodata write at ffffffff8d37e530 :': ok ok 31 selftests: lkdtm: EXEC_STACK.sh # selftests: lkdt[ 44.524887] BUG: unable to handle page fault for address: ffffffff8d37e530 [ 44.538762] #PF: supervisor write access in kernel mode m: EXEC_KMALLOC.sh # Killed # [ 39.993198] lkdtm: Performing[ 44.544596] #PF: error_code(0x0003) - permissions violation d[irect entry EXEC_KMALLOC # [ 40.000674] lkdtm: attempting o 44.557033] PGD 2d829067 P4D 2d829067 PUD 2d82a063 PMD 800000002d0000e1 [ 44.570741] Oops: 0003 [#14] SMP PTI k execution at ffffffff8c378960 # [ 40.013407] lkdtm: attempt[ 44.574732] CPU: 1 PID: 1860 Comm: cat Tainted: G D W 5.10.178-cip31 #1 [ 44.589596] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 44.596405] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a ing bad execution at ffff8c0503b23600 # [ 40.026237] kernel t[ 44.601367] Code: 00 48 c7 c7 68 8d 7f 8d 48 c7 c6 30 e5 37 8d e8 6f da fb ff 48 8b 05 37 4f 97 00 ba 34 12 cd ab 48 c7 c7 98 8d 7f 8d 48 31 d0 <48> 89 05 21 4f 97 00 e9 4d da fb ff 0f 1f 44 00 00 48 8b 05 10 3d [ 44.628570] RSP: 0018:ffffaed7426bfe60 EFLAGS: 00010202 [ 44.634403] RAX: 000000000198b861 RBX: 0000000000000028 RCX: 0000000000000000 [ 44.642374] RDX: 00000000abcd1234 RSI: ffff8c057ac9bf70 RDI: ffffffff8d7f8d98 [ 44.650344] RBP: ffffffff8d7f7f85 R08: 0000000000000000 R09: 0000000000000000 [ 44.658313] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000009 [ 44.666284] R13: ffffaed7426bff10 R14: ffffaed7426bff10 R15: ffff8c0503bea000 [ 44.674256] FS: 00007f55d0f55580(0000) GS:ffff8c057ac80000(0000) knlGS:0000000000000000 [ 44.683296] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 44.689713] CR2: ffffffff8d37e530 CR3: 0000000103814001 CR4: 00000000003706e0 [ 44.697685] Call Trace: [ 44.700412] direct_entry.cold+0x2c/0x38 [ 44.704792] full_proxy_write+0x53/0x80 ried to execute NX-protected page - exploit attempt? (uid: 0) #[ 44.709094] vfs_write+0xe7/0x3b0 [ 44.719004] ksys_write+0x68/0xf0 [ 44.722703] do_syscall_64+0x30/0x40 [ 40.040807] BUG: unable to handle page fault for address: ff[ 44.726693] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 44.738546] RIP: 0033:0x7f55d0e6b833 [ 44.742534] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 44.763522] RSP: 002b:00007fffd0f5ae18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 44.771978] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f55d0e6b833 [ 44.779949] RDX: 0000000000000009 RSI: 00007f55d0d5e000 RDI: 0000000000000001 [ 44.787919] RBP: 00007f55d0d5e000 R08: 00007f55d0d5d010 R09: 0000000000000000 [ 44.795889] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 44.803859] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ff8c0503b23600 # [ 40.048506] #PF: supervisor instruction fet[ 44.811834] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_ec_debugfs cros_ec_lightbar cros_ec_sensorhub videobuf2_memops cros_usbpd_charger videobuf2_v4l2 snd_soc_da7219 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_core videobuf2_common snd_compress snd_pcm_dmaengine regmap_i2c coreboot_table i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight [ 44.870510] CR2: ffffffff8d37e530 [ 44.874210] ---[ end trace 7e1796e8a934a11a ]--- [ 44.879365] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 44.883743] Code: 89 ff e8 fe f0 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 20 46 e9 02 [ 44.904729] RSP: 0018:ffffaed74132fe60 EFLAGS: 00010286 [ 44.910564] RAX: ffffffff8c378590 RBX: 0000000000000001 RCX: 0000000000000000 [ 44.918536] RDX: 0000000000000000 RSI: ffff8c057ac1bf70 RDI: ffffffff8d37e0b0 [ 44.926505] RBP: ffffffff8d85c448 R08: 0000000000000001 R09: 0000000000000001 [ 44.934474] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 44.942444] R13: ffffaed74132ff10 R14: ffffaed74132ff10 R15: ffff8c050351e000 [ 44.950415] FS: 00007f55d0f55580(0000) GS:ffff8c057ac80000(0000) knlGS:0000000000000000 [ 44.959454] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 44.965872] CR2: ffffffff8d37e530 CR3: 0000000103814001 CR4: 00000000003706e0 ch in kernel mode # [ 40.061039] #PF: error_code(0x0011) - permissions violation # [ 40.067262] PGD 2f201067 P4D 2f201067 PUD 100870063 PMD 103b15063 PTE 8000000103b23063 # [ 40.076111] Oops: 0011 [#7] SMP PTI # [ 40.086216] CPU: 1 PID: 1611 Comm: cat Tainted: G D W 5.10.178-cip31 #1 # [ 40.094855] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 40.101660] RIP: 0010:0xffff8c0503b23600 # [ 40.106035] Code: 00 00 02 00 00 00 00 00 00 00 80 33 b2 03 05 8c ff ff 04 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 eb ef 8f 8b ff ff ff ff <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 # [ 40.127016] RSP: 0018:ffffaed7422ffe38 EFLAGS: 00010246 # [ 40.132841] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 40.140810] RDX: 0000000000000000 RSI: ffff8c057ac9bf70 RDI: ffff8c057ac9bf70 # [ 40.148778] RBP: ffff8c0503b23600 R08: 0000000000000000 R09: 0000000000000000 # [ 40.156746] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d # [ 40.164714] R13: ffffaed7422fff10 R14: ffffaed7422fff10 R15: ffff8c050356f000 # [ 40.172682] FS: [ 45.084917] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT [ 45.092253] lkdtm: attempting bad ro_after_init write at ffffffff8d87d330 [ 45.099893] BUG: unable to handle page fault for address: ffffffff8d87d330 00007fc7e2248580(0000) GS:ffff8c057ac80000(0000) knlGS:000000000[ 45.107581] #PF: supervisor write access in kernel mode [ 45.119628] #PF: error_code(0x0003) - permissions violation 00[00000 # [ 40.181718] CS: 0010 DS: 0000 ES: 0000 CR0: 00000 45.125853] PGD 2d829067 P4D 2d829067 PUD 2d82a063 PMD 10529a063 PTE 800000002d67d061 [ 45.140821] Oops: 0003 [#15] SMP PTI [ 45.144811] CPU: 3 PID: 1895 Comm: cat Tainted: G D W 5.10.178-cip31 #1 [ 45.153452] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 45.160260] RIP: 0010:lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a [ 45.166289] Code: 8d 7f 8d e9 21 da fb ff 48 c7 c7 f0 8d 7f 8d e8 15 da fb ff 48 8b 05 dd 3c e7 00 ba 34 12 cd ab 48 c7 c7 98 8d 7f 8d 48 31 d0 <48> 89 05 c7 3c e7 00 e9 f3 d9 fb ff 0f 1f 44 00 00 41 54 48 c7 c7 [ 45.187273] RSP: 0018:ffffaed742707e60 EFLAGS: 00010202 [ 45.193105] RAX: 00000000fe67479e RBX: 0000000000000029 RCX: 0000000000000000 [ 45.201086] RDX: 00000000abcd1234 RSI: ffff8c057ad9bf70 RDI: ffffffff8d7f8d98 [ 45.209045] RBP: ffffffff8d7f7f8e R08: 0000000000000000 R09: 0000000000000000 [ 45.217016] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000014 [ 45.224986] R13: ffffaed742707f10 R14: ffffaed742707f10 R15: ffff8c050324d000 [ 45.232957] FS: 00007faad5233580(0000) GS:ffff8c057ad80000(0000) knlGS:0000000000000000 [ 45.241995] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.248412] CR2: ffffffff8d87d330 CR3: 0000000106f78001 CR4: 00000000003706e0 [ 45.256382] Call Trace: [ 45.259108] direct_entry.cold+0x2c/0x38 [ 45.263487] full_proxy_write+0x53/0x80 [ 45.267768] vfs_write+0xe7/0x3b0 [ 45.271465] ksys_write+0x68/0xf0 [ 45.275164] do_syscall_64+0x30/0x40 [ 45.279155] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 45.284795] RIP: 0033:0x7faad5149833 [ 45.288774] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 45.309761] RSP: 002b:00007ffe1728f128 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 45.318218] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007faad5149833 [ 45.326189] RDX: 0000000000000014 RSI: 00007faad503c000 RDI: 0000000000000001 [ 45.334158] RBP: 00007faad503c000 R08: 00007faad503b010 R09: 0000000000000000 [ 45.342129] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 45.350100] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 00080050033 # [ 40.188132] CR2: ffff8c0503b23600 CR3: 0000000[ 45.358074] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_ec_debugfs cros_ec_lightbar cros_ec_sensorhub videobuf2_memops cros_usbpd_charger videobuf2_v4l2 snd_soc_da7219 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_core videobuf2_common snd_compress snd_pcm_dmaengine regmap_i2c coreboot_table i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight [ 45.416785] CR2: ffffffff8d87d330 [ 45.420482] ---[ end trace 7e1796e8a934a11b ]--- [ 45.425638] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 45.430016] Code: 89 ff e8 fe f0 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 20 46 e9 02 [ 45.451003] RSP: 0018:ffffaed74132fe60 EFLAGS: 00010286 [ 45.456837] RAX: ffffffff8c378590 RBX: 0000000000000001 RCX: 0000000000000000 [ 45.464808] RDX: 0000000000000000 RSI: ffff8c057ac1bf70 RDI: ffffffff8d37e0b0 [ 45.472780] RBP: ffffffff8d85c448 R08: 0000000000000001 R09: 0000000000000001 [ 45.480750] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 45.488721] R13: ffffaed74132ff10 R14: ffffaed74132ff10 R15: ffff8c050351e000 [ 45.496691] FS: 00007faad5233580(0000) GS:ffff8c057ad80000(0000) knlGS:0000000000000000 [ 45.505730] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.512146] CR2: ffffffff8d87d330 CR3: 0000000106f78001 CR4: 00000000003706e0 103584004 CR4: 00000000003706e0 # [ 40.196099] Call Trace: # [ 40.198828] ? execute_location+0x45/0x56 # [ 40.203303] ? lkdtm_EXEC_KMALLOC+0x2c/0x40 # [ 40.214180] ? direct_entry.cold+0x2c/0x38 # [ 40.218746] ? full_proxy_write+0x53/0x80 # [ 40.223221] ? vfs_write+0xe7/0x3b0 # [ 40.233324] ? ksys_write+0x68/0xf0 # [ 40.237208] ? do_syscall_64+0x30/0x40 # [ 40.241405] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 40.253453] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_ec_debugfs cros_ec_lightbar cros_ec_sensorhub videobuf2_memops cros_usbpd_charger videobuf2_v4l2 snd_soc_da7219 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_core videobuf2_common snd_compress snd_pcm_dmaengine regmap_i2c coreboot_table i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight # [ 40.312111] CR2: ffff8c0503b23600 # [ 40.315807] ---[ end trace 7e1796e8a934a113 ]--- # [ 40.320961] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 40.325337] Code: 89 ff e8 fe f0 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 20 46 e9 02 # [ 40.346308] RSP: 0018:ffffaed74132fe60 EFLAGS: 00010286 # [ 40.352140] RAX: ffffffff8c378590 RBX: 0000000000000001 RCX: 0000000000000000 # [ 40.360107] RDX: 0000000000000000 [ 45.667003] lkdtm: Performing direct entry WRITE_KERN [ 45.674962] lkdtm: attempting bad 6884371 byte write at ffffffff8ca09573 [ 45.682502] BUG: unable to handle page fault for address: ffffffff8ca09573 RSI: ffff8c057ac1bf70 RDI: ffffffff8d37e0b0 # [ 40.368075] RB[ 45.690184] #PF: supervisor write access in kernel mode [ 45.702232] #PF: error_code(0x0003) - permissions violation [ 45.708455] PGD 2d829067 P4D 2d829067 PUD 2d82a063 PMD 2c8000e1 [ 45.715169] Oops: 0003 [#16] SMP PTI [ 45.719163] CPU: 2 PID: 1930 Comm: cat Tainted: G D W 5.10.178-cip31 #1 [ 45.727812] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 45.734619] RIP: 0010:lkdtm_WRITE_KERN+0x38/0x4e [ 45.739772] Code: 53 48 c7 c3 73 95 a0 8c 49 89 dc 48 89 da 49 81 ec 60 89 37 8c 4c 89 e6 e8 c8 d9 fb ff 48 89 df 4c 89 e1 48 c7 c6 60 89 37 8c a4 48 c7 c7 98 8d 7f 8d e8 ad d9 fb ff 5b 41 5c e9 b7 fe ff ff [ 45.760755] RSP: 0018:ffffaed7427afe50 EFLAGS: 00010246 [ 45.766588] RAX: 000000000000003c RBX: ffffffff8ca09573 RCX: 0000000000690c13 [ 45.774557] RDX: 0000000000000000 RSI: ffffffff8c378960 RDI: ffffffff8ca09573 [ 45.782528] RBP: ffffffff8d7f7fa2 R08: 0000000000000000 R09: 0000000000000000 [ 45.790498] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000690c13 [ 45.798467] R13: ffffaed7427aff10 R14: ffffaed7427aff10 R15: ffff8c0503719000 [ 45.806438] FS: 00007f2ac1646580(0000) GS:ffff8c057ad00000(0000) knlGS:0000000000000000 [ 45.815467] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.821885] CR2: ffffffff8ca09573 CR3: 00000001035d6005 CR4: 00000000003706e0 P: ffffffff8d85c448 R08: 0000000000000001 R09: 0000000000000001 [ 45.829859] Call Trace: [ 45.838805] direct_entry.cold+0x2c/0x38 [ 45.843215] full_proxy_write+0x53/0x80 [ 45.847497] vfs_write+0xe7/0x3b0 [ 45.851197] ksys_write+0x68/0xf0 [ 45.854896] do_syscall_64+0x30/0x40 [ 45.858887] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 45.864528] RIP: 0033:0x7f2ac155c833 [ 45.868518] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 45.889506] RSP: 002b:00007ffcf8f0d0f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 45.897964] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f2ac155c833 [ 45.905937] RDX: 000000000000000b RSI: 00007f2ac144f000 RDI: 0000000000000001 [ 45.913925] RBP: 00007f2ac144f000 R08: 00007f2ac144e010 R09: 0000000000000000 [ 45.921923] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 45.929915] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 40.376041] R10: 00000000ffffe000 R11: 3fffffffffffffff R1[ 45.937912] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_ec_debugfs cros_ec_lightbar cros_ec_sensorhub videobuf2_memops cros_usbpd_charger videobuf2_v4l2 snd_soc_da7219 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_core videobuf2_common snd_compress snd_pcm_dmaengine regmap_i2c coreboot_table i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight [ 45.996591] CR2: ffffffff8ca09573 [ 46.000289] ---[ end trace 7e1796e8a934a11c ]--- [ 46.005445] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 46.009839] Code: 89 ff e8 fe f0 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 20 46 e9 02 2: 0000000000000004 # [ 40.384007] R13: ffffaed74132ff10 R14:[ 46.030833] RSP: 0018:ffffaed74132fe60 EFLAGS: 00010286 [ 46.042881] RAX: ffffffff8c378590 RBX: 0000000000000001 RCX: 0000000000000000 [ 46.050866] RDX: 0000000000000000 RSI: ffff8c057ac1bf70 RDI: ffffffff8d37e0b0 [ 46.058840] RBP: ffffffff8d85c448 R08: 0000000000000001 R09: 0000000000000001 [ 46.066811] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 46.074794] R13: ffffaed74132ff10 R14: ffffaed74132ff10 R15: ffff8c050351e000 [ 46.082764] FS: 00007f2ac1646580(0000) GS:ffff8c057ad00000(0000) knlGS:0000000000000000 ffffaed74132ff10 R15: ffff8c050351e000 # [ 40.391976] FS: 0[ 46.091831] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.104463] CR2: ffffffff8ca09573 CR3: 00000001035d6005 CR4: 00000000003706e0 [ 46.112435] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 46.122350] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1930, name: cat [ 46.130808] INFO: lockdep is turned off. [ 46.135185] irq event stamp: 0 [ 46.138590] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 46.145591] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 [ 46.154730] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 [ 46.163866] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 46.170865] CPU: 2 PID: 1930 Comm: cat Tainted: G D W 5.10.178-cip31 #1 [ 46.179515] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 46.186320] Call Trace: [ 46.189048] dump_stack+0x77/0x9b [ 46.192756] ___might_sleep.cold+0xa6/0xb6 [ 46.197327] exit_signals+0x1c/0x300 [ 46.201308] do_exit+0xc2/0xab0 [ 46.204802] ? ksys_write+0x68/0xf0 [ 46.208696] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 [ 46.214141] make_task_dead+0x2f/0x30 [ 46.218230] rewind_stack_and_make_dead+0x17/0x20 [ 46.223481] RIP: 0033:0x7f2ac155c833 [ 46.227470] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 46.248457] RSP: 002b:00007ffcf8f0d0f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 46.256904] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f2ac155c833 [ 46.264876] RDX: 000000000000000b RSI: 00007f2ac144f000 RDI: 0000000000000001 [ 46.272844] RBP: 00007f2ac144f000 R08: 00007f2ac144e010 R09: 0000000000000000 [ 46.280814] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 46.288784] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 0007fc7e2248580(0000) GS:ffff8c057ac80000(0000) knlGS:0000000000000000 # [ 40.401003] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 40.407417] CR2: ffff8c0503b23600 CR3: 0000000103584004 CR4: 00000000003706e0 # [ 40.415385] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 40.425296] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1611, name: cat # [ 40.433748] INFO: lockdep is turned off. # [ 40.438124] irq event stamp: 0 # [ 40.441529] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 40.448527] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 40.457652] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 40.466777] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 40.473776] CPU: 1 PID: 1611 Comm: cat Tainted: G D W 5.10.178-cip31 #1 # [ 40.482416] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 40.489217] Call Trace: # [ 40.491951] dump_stack+0x77/0x9b # [ 40.495651] ___might_sleep.cold+0xa6/0xb6 # [ 40.506433] exit_signals+0x1c/0x300 # [ 40.510423] do_exit+0xc2/0xab0 # [ 40.520137] ? ksys_write+0x68/0xf0 # [ 40.524029] make_task_dead+0[ 46.419819] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW [ 46.427803] lkdtm: attempting good refcount_inc() without overflow [ 46.434715] lkdtm: attempting bad refcount_inc() overflow x2f/0x30 # [ 40.528115] rewind_stack_and_make_dead+0x17/0x20[ 46.440770] ------------[ cut here ]------------ [ 46.452131] refcount_t: saturated; leaking memory. # [ 40.533364] RIP: 0033:0x7fc7e215e833 # [ 40.537352] Co[ 46.457503] WARNING: CPU: 3 PID: 1965 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 de: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 [ 46.473137] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_ec_debugfs cros_ec_lightbar cros_ec_sensorhub videobuf2_memops cros_usbpd_charger videobuf2_v4l2 snd_soc_da7219 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_core videobuf2_common snd_compress snd_pcm_dmaengine regmap_i2c coreboot_table i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 0[ 46.531857] CPU: 3 PID: 1965 Comm: cat Tainted: G D W 5.10.178-cip31 #1 [ 46.546727] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 5 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 [ 46.553539] RIP: 0010:refcount_warn_saturate+0x51/0x110 24 18 # [ 40.558323] RSP: 002b:00007ffe9cbf62e8 EFLAGS: 00000[ 46.565594] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d b1 f7 f6 01 00 75 ee 48 c7 c7 d8 2f 75 8d c6 05 a1 f7 f6 01 01 e8 58 b3 c0 00 <0f> 0b c3 cc cc cc cc 80 3d 8d f7 f6 01 00 75 cb 48 c7 c7 00 30 75 246 ORIG_RAX: 0000000000000001 # [ 40.566778] RAX: ffffffffff[ 46.592801] RSP: 0018:ffffaed742837e48 EFLAGS: 00010286 [ 46.604856] RAX: 0000000000000000 RBX: 000000000000002b RCX: 0000000000000000 [ 46.612860] RDX: ffff8c057adac660 RSI: ffff8c057ad9bf70 RDI: ffff8c057ad9bf70 [ 46.620832] RBP: ffffffff8d7f7fad R08: 0000000000000000 R09: 0000000000000000 [ 46.628805] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 [ 46.636802] R13: ffffaed742837f10 R14: ffffaed742837f10 R15: ffff8c0503c36000 ffffda RBX: 000000000000000d RCX: 00007fc7e215e833 # [ 40.574[ 46.644789] FS: 00007fc9ed276580(0000) GS:ffff8c057ad80000(0000) knlGS:0000000000000000 [ 46.660039] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.666458] CR2: 00007fc9ed07f000 CR3: 00000001039ce001 CR4: 00000000003706e0 [ 46.674431] Call Trace: [ 46.677163] lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x98 [ 46.682547] direct_entry.cold+0x2c/0x38 [ 46.686954] full_proxy_write+0x53/0x80 [ 46.691286] vfs_write+0xe7/0x3b0 745] RDX: 000000000000000d RSI: 00007fc7e2051000 RDI: 0000000000[ 46.694996] ksys_write+0x68/0xf0 [ 46.704909] do_syscall_64+0x30/0x40 [ 46.708926] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 46.714569] RIP: 0033:0x7fc9ed18c833 [ 46.718560] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 46.739551] RSP: 002b:00007ffce53ffe28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 46.748010] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fc9ed18c833 [ 46.755984] RDX: 0000000000000016 RSI: 00007fc9ed07f000 RDI: 0000000000000001 [ 46.763959] RBP: 00007fc9ed07f000 R08: 00007fc9ed07e010 R09: 0000000000000000 [ 46.771933] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 46.779907] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 46.787885] irq event stamp: 0 000001 # [ 40.582715] RBP: 00007fc7e2051000 R08: 00007fc7e205[ 46.791319] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 46.804536] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 [ 46.813676] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 [ 46.822816] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 46.829818] ---[ end trace 7e1796e8a934a11d ]--- [ 46.834975] lkdtm: Overflow detected: saturated 0010 R09: 0000000000000000 # [ 40.590684] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 40.598653] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # EXEC_KMALLOC: saw 'call trace:': ok ok 32 selftests: lkdtm: EXEC_KMALLOC.sh # selftests: lkdtm: EXEC_VMALLOC.sh # Killed # [ 40.715623] lkdtm: Performing direct entry EXEC_VMALLOC # [ 40.724366] lkdtm: attempting ok execution at ffffffff8c378960 # [ 40.737111] lkdtm: attempting bad execution at ffffaed74036b000 # [ 40.749940] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 40.764473] BUG: unable to handle page fault for address: ffffaed74036b000 # [ 40.772151] #PF: supervisor instruction fetch in kernel mode # [ 40.778479] #PF: error_code(0x0011) - permissions violation # [ 40.784700] PGD 100000067 P4D 100000067 PUD 100231067 PMD 1009d3067 PTE 80000001035d0063 # [ 40.793747] Oops: 0011 [#8] SMP PTI # [ 40.797637] CPU: 0 PID: 1647 Comm: cat Tainted: G D W 5.10.178-cip31 #1 # [ 40.806285] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 40.813090] RIP: 0010:0xffffaed74036b000 # [ 40.817467] Code: Unable to access opc[ 46.953522] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW [ 46.964871] lkdtm: attempting good refcount_add() without overflow [ 46.971809] lkdtm: attempting bad refcount_add() overflow ode bytes at RIP 0xffffaed74036afd6. # [ 40.825145] RSP: 0018[ 46.977843] ------------[ cut here ]------------ [ 46.989214] refcount_t: saturated; leaking memory. :ffffaed742387e38 EFLAGS: 00010246 # [ 40.830978] RAX: 000000[ 46.994580] WARNING: CPU: 2 PID: 1997 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 0000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 40[ 47.010219] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_ec_debugfs cros_ec_lightbar cros_ec_sensorhub videobuf2_memops cros_usbpd_charger videobuf2_v4l2 snd_soc_da7219 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_core videobuf2_common snd_compress snd_pcm_dmaengine regmap_i2c coreboot_table i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight .838948] RDX: 0000000000000000 RSI: ffff8c057ac1bf70 RDI: ffff8c[ 47.068959] CPU: 2 PID: 1997 Comm: cat Tainted: G D W 5.10.178-cip31 #1 [ 47.083834] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 47.090647] RIP: 0010:refcount_warn_saturate+0x51/0x110 [ 47.096488] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d b1 f7 f6 01 00 75 ee 48 c7 c7 d8 2f 75 8d c6 05 a1 f7 f6 01 01 e8 58 b3 c0 00 <0f> 0b c3 cc cc cc cc 80 3d 8d f7 f6 01 00 75 cb 48 c7 c7 00 30 75 [ 47.117512] RSP: 0018:ffffaed7428cfe48 EFLAGS: 00010286 [ 47.123352] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000 [ 47.131326] RDX: ffff8c057ad2c660 RSI: ffff8c057ad1bf70 RDI: ffff8c057ad1bf70 [ 47.139302] RBP: ffffffff8d7f7fc3 R08: 0000000000000000 R09: 0000000000000000 [ 47.147276] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 [ 47.155252] R13: ffffaed7428cff10 R14: ffffaed7428cff10 R15: ffff8c0505ce5000 [ 47.163227] FS: 00007f15230eb580(0000) GS:ffff8c057ad00000(0000) knlGS:0000000000000000 [ 47.172274] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 47.178694] CR2: 00007f1522ef4000 CR3: 0000000103736001 CR4: 00000000003706e0 [ 47.186669] Call Trace: 057ac1bf70 # [ 40.846917] RBP: ffffaed74036b000 R08: 00000000[ 47.189405] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa7 [ 47.200974] direct_entry.cold+0x2c/0x38 [ 47.205380] full_proxy_write+0x53/0x80 [ 47.209698] vfs_write+0xe7/0x3b0 00000000 R09: 0000000000000000 # [ 40.854886] R10: 00000000ff[ 47.213431] ksys_write+0x68/0xf0 [ 47.223350] do_syscall_64+0x30/0x40 [ 47.227375] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 47.233021] RIP: 0033:0x7f1523001833 [ 47.237046] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 47.258038] RSP: 002b:00007ffdba59f358 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 47.266531] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f1523001833 ffe000 R11: 3fffffffffffffff R12: 000000000000000d # [ 40.862[ 47.274506] RDX: 0000000000000016 RSI: 00007f1522ef4000 RDI: 0000000000000001 855] R13: ffffaed742387f10 R14: ffffaed742387f10 R15: ffff8c0503[ 47.288695] RBP: 00007f1522ef4000 R08: 00007f1522ef3010 R09: 0000000000000000 [ 47.302890] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 47.310895] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 47.318893] irq event stamp: 0 5d0000 # [ 40.870823] FS: 00007f83ce114580(0000) GS:ffff8c05[ 47.322328] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 47.335544] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 [ 47.344707] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 [ 47.353849] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 47.360853] ---[ end trace 7e1796e8a934a11e ]--- [ 47.366013] lkdtm: Overflow detected: saturated 7ac00000(0000) knlGS:0000000000000000 # [ 40.879858] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 40.886280] CR2: ffffaed74036afd6 CR3: 00000001044ee004 CR4: 00000000003706f0 # [ 40.894266] Call Trace: # [ 40.896995] ? execute_location+0x45/0x56 # [ 40.901466] ? lkdtm_EXEC_VMALLOC+0x20/0x30 # [ 40.906124] ? direct_entry.cold+0x2c/0x38 # [ 40.910696] ? full_proxy_write+0x53/0x80 # [ 40.915178] ? vfs_write+0xe7/0x3b0 # [ 40.919071] ? ksys_write+0x68/0xf0 # [ 40.922965] ? do_syscall_64+0x30/0x40 # [ 40.927159] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 40.932995] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_ec_debugfs cros_ec_lightbar cros_ec_sensorhub videobuf2_memops cros_usbpd_charger videobuf2_v4l2 snd_soc_da7219 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_core videobuf2_common snd_compress snd_pcm_dmaengine regmap_i2c coreboot_table i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight # [ 40.985470] CR2: ffffaed74036b000 # [ 40.989168] ---[ end trace 7e1796e8a934a114 ]--- # [ 40.994314] RIP: 0010:lkdtm_BUG[ 47.491830] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW +0x5/0x10 # [ 40.998689] Code: 89 ff e8 fe f0 79 ff 48 c7 c0 [ 47.503221] lkdtm: attempting bad refcount_inc_not_zero() overflow ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f[ 47.516349] ------------[ cut here ]------------ 4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 [ 47.527722] refcount_t: saturated; leaking memory. 00 0f 1f 44 00 00 83 05 20 46 e9 02 # [ 41.019668] RSP: 0018:[ 47.539307] WARNING: CPU: 1 PID: 2029 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 ffffaed74132fe60 EFLAGS: 00010286 # [ 41.025500] RAX: fffffff[ 47.554940] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_ec_debugfs cros_ec_lightbar cros_ec_sensorhub videobuf2_memops cros_usbpd_charger videobuf2_v4l2 snd_soc_da7219 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_core videobuf2_common snd_compress snd_pcm_dmaengine regmap_i2c coreboot_table i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight f8c378590 RBX: 0000000000000001 RCX: 0000000000000000 # [ 41.[ 47.613617] CPU: 1 PID: 2029 Comm: cat Tainted: G D W 5.10.178-cip31 #1 033469] RDX: 0000000000000000 RSI: ffff8c057ac1bf70 RDI: fffffff[ 47.628494] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 f8d37e0b0 # [ 41.041436] RBP: ffffffff8d85c448 R08: 000000000[ 47.641518] RIP: 0010:refcount_warn_saturate+0x97/0x110 0000001 R09: 0000000000000001 # [ 41.049406] R10: 00000000fff[ 47.653569] Code: 01 01 e8 35 b3 c0 00 0f 0b c3 cc cc cc cc 80 3d 6c f7 f6 01 00 75 a8 48 c7 c7 d8 2f 75 8d c6 05 5c f7 f6 01 01 e8 12 b3 c0 00 <0f> 0b c3 cc cc cc cc 80 3d 46 f7 f6 01 00 75 85 48 c7 c7 30 30 75 fe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 41.0573[ 47.680777] RSP: 0018:ffffaed74294fe38 EFLAGS: 00010282 76] R13: ffffaed74132ff10 R14: ffffaed74132ff10 R15: ffff8c05035[ 47.692834] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 1e000 # [ 41.065345] FS: 00007f83ce114580(0000) GS:ffff8c057[ 47.707025] RDX: ffff8c057acac660 RSI: ffff8c057ac9bf70 RDI: ffff8c057ac9bf70 ac00000(0000) knlGS:0000000000000000 # [ 41.074383] CS: 0010[ 47.721215] RBP: ffffffff8d7f7c00 R08: 0000000000000000 R09: 0000000000000000 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 41.080797] CR2: [ 47.735406] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f ffffaed74036afd6 CR3: 00000001044ee004 CR4: 00000000003706f0 # [ 47.749597] R13: ffffaed74294ff10 R14: ffffaed74294ff10 R15: ffff8c050264f000 EXEC_VMALLOC: saw 'call trace:': ok ok 33 selftests: lkdtm: EXE[ 47.763787] FS: 00007f72171d8580(0000) GS:ffff8c057ac80000(0000) knlGS:0000000000000000 C_VMALLOC.sh # selftests: lkdtm: EXEC_RODATA.sh # Killed # [ [ 47.779043] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 41.235846] lkdtm: Performing direct entry EXEC_RODATA # [ 4[ 47.791679] CR2: 00007f7216fe1000 CR3: 000000010345a002 CR4: 00000000003706e0 1.243729] lkdtm: attempting ok execution at ffffffff8c378960 # [ 47.805868] Call Trace: [ 41.250276] lkdtm: attempting bad execution at ffffffff8d37e5[ 47.814816] __refcount_add_not_zero.constprop.0+0x2a/0x35 40 # [ 41.256911] kernel tried to execute NX-protected page -[ 47.827160] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x76 exploit attempt? (uid: 0) # [ 41.265278] BUG: unable to hand[ 47.839604] direct_entry.cold+0x2c/0x38 le page fault for address: ffffffff8d37e540 # [ 41.279170] #P[ 47.850201] full_proxy_write+0x53/0x80 F: supervisor instruction fetch in kernel mode # [ 41.285489][ 47.860699] vfs_write+0xe7/0x3b0 #PF: error_code(0x0011) - permissions violation # [ 41.29171[ 47.870614] ksys_write+0x68/0xf0 1] PGD 2d829067 P4D 2d829067 PUD 2d82a063 PMD 800000002d0000e1 [ 47.880536] do_syscall_64+0x30/0x40 # [ 41.305415] Oops: 0011 [#9] SMP PTI # [ 41.309298] CPU:[ 47.890742] entry_SYSCALL_64_after_hwframe+0x61/0xc6 2 PID: 1683 Comm: cat Tainted: G D W 5.10.178-cip3[ 47.902603] RIP: 0033:0x7f72170ee833 1 #1 # [ 41.317936] Hardware name: Google Rammus/Rammus, BIOS[ 47.912810] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 09/04/2020 # [ 41.324742] RIP: 0010:lkdtm_rodata_do_nothing[ 47.940015] RSP: 002b:00007fff78985628 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 +0x0/0x10 # [ 41.330478] Code: ff ff 68 ab a0 8c ff ff ff ff [ 47.954692] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f72170ee833 6a 81 7f 8d ff ff ff ff ae 92 a0 8c ff ff ff ff 55 aa 55 aa 00 0[ 47.968881] RDX: 000000000000001f RSI: 00007f7216fe1000 RDI: 0000000000000001 0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 47.983070] RBP: 00007f7216fe1000 R08: 00007f7216fe0010 R09: 0000000000000000 00 00 00 00 00 00 54 68 69 73 20 69 # [ 41.351480] RSP: 0018:[ 47.997262] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 ffffaed742417e48 EFLAGS: 00010246 # [ 41.357314] RAX: 0000000[ 48.011453] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 000000033 RBX: 0000000000000000 RCX: 0000000000000000 # [ 41.[ 48.025648] irq event stamp: 0 365282] RDX: 0000000000000000 RSI: ffff8c057ad1bf70 RDI: ffff8c0[ 48.035267] hardirqs last enabled at (0): [<0000000000000000>] 0x0 57ad1bf70 # [ 41.373248] RBP: ffffffff8d37e540 R08: 000000000[ 48.048487] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 0000000 R09: 0000000000000000 # [ 41.381216] R10: 00000000fff[ 48.063844] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 fe000 R11: 3fffffffffffffff R12: 000000000000000c # [ 41.3891[ 48.079198] softirqs last disabled at (0): [<0000000000000000>] 0x0 83] R13: ffffaed742417f10 R14: ffffaed742417f10 R15: ffff8c0503f[ 48.092418] ---[ end trace 7e1796e8a934a11f ]--- af000 # [ 41.397150] FS: 00007f4a4ffb5580(0000) GS:ffff8c057[ 48.103792] lkdtm: Overflow detected: saturated ad00000(0000) knlGS:0000000000000000 # [ 41.406186] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 41.412600] CR2: ffffffff8d37e540 CR3: 0000000103792005 CR4: 00000000003706e0 # [ 41.420569] Call Trace: # [ 41.423297] ? execute_location+0x45/0x56 # [ 41.427773] ? direct_entry.cold+0x2c/0x38 # [ 41.432345] ? full_proxy_write+0x53/0x80 # [ 41.436823] ? vfs_write+0xe7/0x3b0 # [ 41.446926] ? ksys_write+0x68/0xf0 # [ 41.450820] ? do_syscall_64+0x30/0x40 # [ 41.455002] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 41.460838] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_ec_debugfs cros_ec_lightbar cros_ec_sensorhub videobuf2_memops cros_usbpd_charger videobuf2_v4l2 snd_soc_da7219 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_core videobuf2_common snd_compress snd_pcm_dmaengine regmap_i2c coreboot_table i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_b[ 48.219672] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW [ 48.228314] lkdtm: attempting bad refcount_add_not_zero() overflow [ 48.235228] ------------[ cut here ]------------ acklight # [ 41.519542] CR2: ffffffff8d37e540 # [ 41.52325[ 48.240389] refcount_t: saturated; leaking memory. 1] ---[ end trace 7e1796e8a934a115 ]--- # [ 41.528407] RIP: 0[ 48.251968] WARNING: CPU: 3 PID: 2061 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 010:lkdtm_BUG+0x5/0x10 # [ 41.532784] Code: 89 ff e8 fe f0 79[ 48.267606] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_ec_debugfs cros_ec_lightbar cros_ec_sensorhub videobuf2_memops cros_usbpd_charger videobuf2_v4l2 snd_soc_da7219 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_core videobuf2_common snd_compress snd_pcm_dmaengine regmap_i2c coreboot_table i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight [ 48.326353] CPU: 3 PID: 2061 Comm: cat Tainted: G D W 5.10.178-cip31 #1 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc [ 48.335020] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 48.348035] RIP: 0010:refcount_warn_saturate+0x97/0x110 [ 48.353875] Code: 01 01 e8 35 b3 c0 00 0f 0b c3 cc cc cc cc 80 3d 6c f7 f6 01 00 75 a8 48 c7 c7 d8 2f 75 8d c6 05 5c f7 f6 01 01 e8 12 b3 c0 00 <0f> 0b c3 cc cc cc cc 80 3d 46 f7 f6 01 00 75 85 48 c7 c7 30 30 75 [ 48.374863] RSP: 0018:ffffaed7429afe38 EFLAGS: 00010282 [ 48.380702] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 [ 48.388674] RDX: ffff8c057adac660 RSI: ffff8c057ad9bf70 RDI: ffff8c057ad9bf70 [ 48.396649] RBP: ffffffff8d7f7c20 R08: 0000000000000000 R09: 0000000000000000 [ 48.404622] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f [ 48.412597] R13: ffffaed7429aff10 R14: ffffaed7429aff10 R15: ffff8c050286d000 [ 48.420569] FS: 00007f4cdbe52580(0000) GS:ffff8c057ad80000(0000) knlGS:0000000000000000 [ 48.429613] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.436032] CR2: 00007f4cdbc5b000 CR3: 000000010363e006 CR4: 00000000003706e0 [ 48.444047] Call Trace: cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84[ 48.446790] __refcount_add_not_zero.constprop.0+0x2a/0x35 [ 48.459127] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x76 [ 48.465384] direct_entry.cold+0x2c/0x38 [ 48.469767] full_proxy_write+0x53/0x80 [ 48.474099] vfs_write+0xe7/0x3b0 [ 48.477804] ksys_write+0x68/0xf0 [ 48.481539] do_syscall_64+0x30/0x40 [ 48.485564] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 48.491229] RIP: 0033:0x7f4cdbd68833 [ 48.495223] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 48.516213] RSP: 002b:00007ffd057f14e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 00 00 00 00 00 0f 1f 44 00 00 83 05 20 46 e9 02 # [ 41.55376[ 48.524675] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f4cdbd68833 [ 48.538865] RDX: 000000000000001f RSI: 00007f4cdbc5b000 RDI: 0000000000000001 9] RSP: 0018:ffffaed74132fe60 EFLAGS: 00010286 # [ 41.559603][ 48.546841] RBP: 00007f4cdbc5b000 R08: 00007f4cdbc5a010 R09: 0000000000000000 [ 48.561052] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 48.569033] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 48.577027] irq event stamp: 0 [ 48.580465] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 48.587469] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 [ 48.596608] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 [ 48.605747] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 48.612750] ---[ end trace 7e1796e8a934a120 ]--- [ 48.617907] lkdtm: Overflow detected: saturated RAX: ffffffff8c378590 RBX: 0000000000000001 RCX: 0000000000000000 # [ 41.567572] RDX: 0000000000000000 RSI: ffff8c057ac1bf70 RDI: ffffffff8d37e0b0 # [ 41.575541] RBP: ffffffff8d85c448 R08: 0000000000000001 R09: 0000000000000001 # [ 41.583510] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 41.591480] R13: ffffaed74132ff10 R14: ffffaed74132ff10 R15: ffff8c050351e000 # [ 41.599449] FS: 00007f4a4ffb5580(0000) GS:ffff8c057ad00000(0000) knlGS:0000000000000000 # [ 41.608487] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 41.614901] CR2: ffffffff8d37e540 CR3: 0000000103792005 CR4: 00000000003706e0 # [ 41.622871] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 41.632774] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1683, name: cat # [ 41.641229] INFO: lockdep is turned off. # [ 41.645603] irq event stamp: 0 # [ 41.649010] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 41.656011] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 41.665148] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 41.674283] softi[ 48.741398] lkdtm: attempting good refcount_dec() rqs last disabled at (0): [<0000000000000000>] 0x0 # [ 41.681[ 48.752884] lkdtm: attempting bad refcount_dec() to zero 282] CPU: 2 PID: 1683 Comm: cat Tainted: G D W 5.10[ 48.765060] ------------[ cut here ]------------ .178-cip31 #1 # [ 41.689943] Hardware name: Google Rammus/Ram[ 48.776466] refcount_t: decrement hit 0; leaking memory. mus, BIOS 09/04/2020 # [ 41.696748] Call Trace: # [ 41.69[ 48.788634] WARNING: CPU: 0 PID: 2093 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 9476] dump_stack+0x77/0x9b # [ 41.703174] ___might_sleep.co[ 48.804284] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_ec_debugfs cros_ec_lightbar cros_ec_sensorhub videobuf2_memops cros_usbpd_charger videobuf2_v4l2 snd_soc_da7219 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_core videobuf2_common snd_compress snd_pcm_dmaengine regmap_i2c coreboot_table i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight ld+0xa6/0xb6 # [ 41.707746] exit_signals+0x1c/0x300 # [ 4[ 48.862966] CPU: 0 PID: 2093 Comm: cat Tainted: G D W 5.10.178-cip31 #1 1.711735] do_exit+0xc2/0xab0 # [ 41.715229] ? ksys_write+0x[ 48.877866] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 68/0xf0 # [ 41.719122] make_task_dead+0x2f/0x30 # [ 41.72[ 48.890870] RIP: 0010:refcount_warn_saturate+0xfb/0x110 3200] rewind_stack_and_make_dead+0x17/0x20 # [ 41.728450] RI[ 48.902951] Code: 88 30 75 8d c6 05 0d f7 f6 01 01 e8 c8 b2 c0 00 0f 0b c3 cc cc cc cc 48 c7 c7 58 30 75 8d c6 05 f4 f6 f6 01 01 e8 ae b2 c0 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b P: 0033:0x7f4a4fecb833 # [ 41.732438] Code: 8b 15 61 26 0e 00[ 48.930148] RSP: 0018:ffffaed742a47e48 EFLAGS: 00010286 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 [ 48.942225] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff[ 48.956399] RDX: ffff8c057ac2c660 RSI: ffff8c057ac1bf70 RDI: ffff8c057ac1bf70 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 41.75341[ 48.970623] RBP: ffffffff8d7f7fd9 R08: 0000000000000000 R09: 0000000000000000 1] RSP: 002b:00007ffee8a55528 EFLAGS: 00000246 ORIG_RAX: 0000000[ 48.984795] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 000000001 # [ 41.761873] RAX: ffffffffffffffda RBX: 000000000[ 48.999003] R13: ffffaed742a47f10 R14: ffffaed742a47f10 R15: ffff8c050360f000 000000c RCX: 00007f4a4fecb833 # [ 41.769859] RDX: 00000000000[ 49.013190] FS: 00007f14f4dcf580(0000) GS:ffff8c057ac00000(0000) knlGS:0000000000000000 0000c RSI: 00007f4a4fdbe000 RDI: 0000000000000001 # [ 41.7778[ 49.028469] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 47] RBP: 00007f4a4fdbe000 R08: 00007f4a4fdbd010 R09: 00000000000[ 49.041090] CR2: 00007f14f4bd8000 CR3: 000000010401a005 CR4: 00000000003706f0 00000 # [ 41.785807] R10: fffffffffffffbc5 R11: 0000000000000[ 49.055309] Call Trace: 246 R12: 0000000000000001 # [ 41.793776] R13: 000000000000000[ 49.064227] lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xbd 1 R14: 0000000000020000 R15: 0000000000020000 # EXEC_RODATA: sa[ 49.075427] direct_entry.cold+0x2c/0x38 w 'call trace:': ok ok 34 selftests: lkdtm: EXEC_RODATA.sh # s[ 49.086009] full_proxy_write+0x53/0x80 elftests: lkdtm: EXEC_USERSPACE.sh # Killed # [ 41.915256] l[ 49.096515] vfs_write+0xe7/0x3b0 kdtm: Performing direct entry EXEC_USERSPACE # [ 41.925898] l[ 49.106426] ksys_write+0x68/0xf0 kdtm: attempting ok execution at ffffffff8c378960 # [ 41.9324[ 49.116358] do_syscall_64+0x30/0x40 28] lkdtm: attempting bad execution at 00007fd2465e4000 # [ 4[ 49.126557] entry_SYSCALL_64_after_hwframe+0x61/0xc6 1.939068] unable to execute userspace code (SMEP?) (uid: 0) # [[ 49.138446] RIP: 0033:0x7f14f4ce5833 41.945494] BUG: unable to handle page fault for address: 0000[ 49.148644] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 7fd2465e4000 # [ 41.959386] #PF: supervisor instruction fetch[ 49.175883] RSP: 002b:00007fff435ed518 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 in kernel mode # [ 41.965707] #PF: error_code(0x0011) - perm[ 49.190546] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f14f4ce5833 issions violation # [ 41.971928] PGD 800000010368d067 P4D 800[ 49.204747] RDX: 0000000000000012 RSI: 00007f14f4bd8000 RDI: 0000000000000001 000010368d067 PUD 103d9d067 PMD 102650067 PTE 10bbc4067 # [ 4[ 49.218930] RBP: 00007f14f4bd8000 R08: 00007f14f4bd7010 R09: 0000000000000000 1.981653] Oops: 0011 [#10] SMP PTI # [ 41.991855] CPU: 3 PID:[ 49.233147] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 1719 Comm: cat Tainted: G D W 5.10.178-cip31 #1 #[ 49.247322] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 42.000526] Hardware name: Google Rammus/Rammus, BIOS 09/04[ 49.261546] irq event stamp: 0 /2020 # [ 42.007334] RIP: 0010:0x7fd2465e4000 # [ 42.01132[ 49.271147] hardirqs last enabled at (0): [<0000000000000000>] 0x0 2] Code: Unable to access opcode bytes at RIP 0x7fd2465e3fd6. #[ 49.284391] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 [ 42.018611] RSP: 0018:ffffaed74249fe50 EFLAGS: 00010246 # [[ 49.299729] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 42.024446] RAX: 0000000000000033 RBX: 0000000000000024 RCX: 0[ 49.315103] softirqs last disabled at (0): [<0000000000000000>] 0x0 000000000000000 # [ 42.032418] RDX: 0000000000000000 RSI: fff[ 49.328305] ---[ end trace 7e1796e8a934a121 ]--- [ 49.339668] lkdtm: Zero detected: saturated f8c057ad9bf70 RDI: ffff8c057ad9bf70 # [ 42.040391] RBP: 00007fd2465e4000 R08: 0000000000000000 R09: 0000000000000000 # [ 42.048378] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000f # [ 42.056372] R13: ffffaed74249ff10 R14: ffffaed74249ff10 R15: ffff8c05036d1000 # [ 42.064357] FS: 00007fd2465b5580(0000) GS:ffff8c057ad80000(0000) knlGS:0000000000000000 # [ 42.073402] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 42.079818] CR2: 00007fd2465e4000 CR3: 000000010595c006 CR4: 00000000003706e0 # [ 42.087787] Call Trace: # [ 42.090515] ? lkdtm_EXEC_USERSPACE.cold+0x66/0xae # [ 42.095865] ? direct_entry.cold+0x2c/0x38 # [ 42.100437] ? full_proxy_write+0x53/0x80 # [ 42.104905] ? vfs_write+0xe7/0x3b0 # [ 42.108797] ? ksys_write+0x68/0xf0 # [ 42.112681] ? do_syscall_64+0x30/0x40 # [ 42.116856] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 42.122693] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_ec[ 49.455814] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE [ 49.462911] lkdtm: attempting bad refcount_dec() below zero [ 49.469170] ------------[ cut here ]------------ [ 49.474357] refcount_t: decrement hit 0; leaking memory. [ 49.480306] WARNING: CPU: 3 PID: 2128 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 _debugfs cros_ec_lightbar cros_ec_sensorhub videobuf2_memops cro[ 49.489767] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_ec_debugfs cros_ec_lightbar cros_ec_sensorhub videobuf2_memops cros_usbpd_charger videobuf2_v4l2 snd_soc_da7219 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_core videobuf2_common snd_compress snd_pcm_dmaengine regmap_i2c coreboot_table i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight [ 49.548482] CPU: 3 PID: 2128 Comm: cat Tainted: G D W 5.10.178-cip31 #1 [ 49.557136] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 49.563945] RIP: 0010:refcount_warn_saturate+0xfb/0x110 [ 49.569783] Code: 88 30 75 8d c6 05 0d f7 f6 01 01 e8 c8 b2 c0 00 0f 0b c3 cc cc cc cc 48 c7 c7 58 30 75 8d c6 05 f4 f6 f6 01 01 e8 ae b2 c0 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b [ 49.590771] RSP: 0018:ffffaed742ab7e48 EFLAGS: 00010286 [ 49.596608] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000 s_usbpd_charger videobuf2_v4l2 snd_soc_da7219 gsmi x86_pkg_temp_[ 49.604583] RDX: ffff8c057adac660 RSI: ffff8c057ad9bf70 RDI: ffff8c057ad9bf70 thermal cros_ec_dev snd_soc_core videobuf2_common snd_compress s[ 49.618775] RBP: ffffffff8d7f7feb R08: 0000000000000000 R09: 0000000000000000 nd_pcm_dmaengine regmap_i2c coreboot_table i2c_hid cros_usbpd_no[ 49.632962] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 [ 49.647157] R13: ffffaed742ab7f10 R14: ffffaed742ab7f10 R15: ffff8c0502979000 [ 49.655162] FS: 00007f50fc448580(0000) GS:ffff8c057ad80000(0000) knlGS:0000000000000000 [ 49.664210] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.670659] CR2: 00007f50fc251000 CR3: 0000000104992002 CR4: 00000000003706e0 [ 49.678642] Call Trace: [ 49.681427] lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x61 tify chromeos_pstore cros_kbd_led_backlight # [ 42.181403] CR[ 49.686794] direct_entry.cold+0x2c/0x38 [ 49.697384] full_proxy_write+0x53/0x80 [ 49.701700] vfs_write+0xe7/0x3b0 [ 49.705431] ksys_write+0x68/0xf0 [ 49.709134] do_syscall_64+0x30/0x40 [ 49.713157] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 49.718803] RIP: 0033:0x7f50fc35e833 [ 49.722817] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 49.743810] RSP: 002b:00007ffd0ec5f248 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 49.752302] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f50fc35e833 [ 49.760296] RDX: 0000000000000016 RSI: 00007f50fc251000 RDI: 0000000000000001 [ 49.768272] RBP: 00007f50fc251000 R08: 00007f50fc250010 R09: 0000000000000000 2: 00007fd2465e4000 # [ 42.185101] ---[ end trace 7e1796e8a93[ 49.776270] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 49.790452] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 49.798432] irq event stamp: 0 4a116 ]--- # [ 42.190248] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ [ 49.801868] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 49.815084] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 [ 49.824263] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 [ 49.833403] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 49.840404] ---[ end trace 7e1796e8a934a122 ]--- [ 49.845561] lkdtm: Negative detected: saturated 42.194616] Code: 89 ff e8 fe f0 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 20 46 e9 02 # [ 42.215603] RSP: 0018:ffffaed74132fe60 EFLAGS: 00010286 # [ 42.221437] RAX: ffffffff8c378590 RBX: 0000000000000001 RCX: 0000000000000000 # [ 42.229407] RDX: 0000000000000000 RSI: ffff8c057ac1bf70 RDI: ffffffff8d37e0b0 # [ 42.237377] RBP: ffffffff8d85c448 R08: 0000000000000001 R09: 0000000000000001 # [ 42.245345] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 42.253314] R13: ffffaed74132ff10 R14: ffffaed74132ff10 R15: ffff8c050351e000 # [ 42.261283] FS: 00007fd2465b5580(0000) GS:ffff8c057ad80000(0000) knlGS:0000000000000000 # [ 42.270322] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 42.276738] CR2: 00007fd2465e4000 CR3: 000000010595c006 CR4: 00000000003706e0 # EXEC_USERSPACE: saw 'call trace:': ok ok 35 selftests: lkdtm: EXEC_USERSPACE.sh # selftests: lkdtm: EXEC_NULL.sh # Killed # [ 42.390060] lkdtm: Performing direct entry EXEC_NULL # [ 42.395953] lkdtm:[ 49.960813] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE attempting ok execution at ffffffff8c378960 # [ 42.408685] l[ 49.970167] lkdtm: attempting bad refcount_dec_and_test() below zero kdtm: attempting bad execution at 0000000000000000 # [ 42.421[ 49.983497] ------------[ cut here ]------------ 520] BUG: kernel NULL pointer dereference, address: 000000000000[ 49.994880] refcount_t: underflow; use-after-free. 0000 # [ 42.435507] #PF: supervisor instruction fetch in kern[ 50.006534] WARNING: CPU: 0 PID: 2163 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 el mode # [ 42.441827] #PF: error_code(0x0010) - not-present [ 50.022106] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_ec_debugfs cros_ec_lightbar cros_ec_sensorhub videobuf2_memops cros_usbpd_charger videobuf2_v4l2 snd_soc_da7219 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_core videobuf2_common snd_compress snd_pcm_dmaengine regmap_i2c coreboot_table i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight page # [ 42.447555] PGD 0 P4D 0 # [ 42.450380] Oops: 0010[ 50.080853] CPU: 0 PID: 2163 Comm: cat Tainted: G D W 5.10.178-cip31 #1 [#11] SMP PTI # [ 42.460582] CPU: 1 PID: 1755 Comm: cat Tain[ 50.095728] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 ted: G D W 5.10.178-cip31 #1 # [ 42.469234] Hard[ 50.108752] RIP: 0010:refcount_warn_saturate+0xba/0x110 ware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 42.4760[ 50.120800] Code: 01 01 e8 12 b3 c0 00 0f 0b c3 cc cc cc cc 80 3d 46 f7 f6 01 00 75 85 48 c7 c7 30 30 75 8d c6 05 36 f7 f6 01 01 e8 ef b2 c0 00 <0f> 0b c3 cc cc cc cc 80 3d 21 f7 f6 01 00 0f 85 5e ff ff ff 48 c7 41] RIP: 0010:0x0 # [ 42.478954] Code: Unable to access opcod[ 50.147990] RSP: 0018:ffffaed742b47e40 EFLAGS: 00010286 e bytes at RIP 0xffffffffffffffd6. # [ 42.486634] RSP: 0018:f[ 50.160051] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000 fffaed74251fe48 EFLAGS: 00010246 # [ 42.492468] RAX: 00000000[ 50.174254] RDX: ffff8c057ac2c660 RSI: ffff8c057ac1bf70 RDI: ffff8c057ac1bf70 00000033 RBX: 0000000000000000 RCX: 0000000000000000 # [ 42.5[ 50.188478] RBP: ffffffff8d7f7c40 R08: 0000000000000000 R09: 0000000000000000 00440] RDX: 0000000000000000 RSI: ffff8c057ac9bf70 RDI: ffff8c05[ 50.202658] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f 7ac9bf70 # [ 42.508411] RBP: 0000000000000000 R08: 0000000000[ 50.216878] R13: ffffaed742b47f10 R14: ffffaed742b47f10 R15: ffff8c0503b34000 000000 R09: 0000000000000000 # [ 42.516382] R10: 00000000ffff[ 50.231064] FS: 00007fc676a0b580(0000) GS:ffff8c057ac00000(0000) knlGS:0000000000000000 e000 R11: 3fffffffffffffff R12: 000000000000000a # [ 42.52435[ 50.246351] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 3] R13: ffffaed74251ff10 R14: ffffaed74251ff10 R15: ffff8c050498[ 50.258980] CR2: 00007fc676814000 CR3: 0000000103596001 CR4: 00000000003706f0 6000 # [ 42.532324] FS: 00007fa61a010580(0000) GS:ffff8c057a[ 50.273201] Call Trace: c80000(0000) knlGS:0000000000000000 # [ 42.541362] CS: 0010 [ 50.282145] __refcount_sub_and_test.constprop.0+0x3c/0x50 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 42.547779] CR2: f[ 50.294537] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x78 fffffffffffffd6 CR3: 0000000103784004 CR4: 00000000003706e0 # [[ 50.306955] direct_entry.cold+0x2c/0x38 42.555749] Call Trace: # [ 42.558478] execute_location+0x[ 50.317583] full_proxy_write+0x53/0x80 45/0x56 # [ 42.562761] direct_entry.cold+0x2c/0x38 # [ 42[ 50.328051] vfs_write+0xe7/0x3b0 .573355] full_proxy_write+0x53/0x80 # [ 42.577644] vfs_writ[ 50.337980] ksys_write+0x68/0xf0 e+0xe7/0x3b0 # [ 42.587554] ksys_write+0x68/0xf0 # [ 42.5[ 50.347881] do_syscall_64+0x30/0x40 91253] do_syscall_64+0x30/0x40 # [ 42.595244] entry_SYSCALL[ 50.358095] entry_SYSCALL_64_after_hwframe+0x61/0xc6 _64_after_hwframe+0x61/0xc6 # [ 42.600882] RIP: 0033:0x7fa619[ 50.369949] RIP: 0033:0x7fc676921833 f26833 # [ 42.604872] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 [ 50.380164] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c[ 50.407358] RSP: 002b:00007ffcfc6b3aa8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f [ 50.422048] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fc676921833 40 00 48 83 ec 28 48 89 54 24 18 # [ 42.625859] RSP: 002b:000[ 50.436230] RDX: 000000000000001f RSI: 00007fc676814000 RDI: 0000000000000001 07fffadcfe018 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ [ 50.450432] RBP: 00007fc676814000 R08: 00007fc676813010 R09: 0000000000000000 42.634308] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 000[ 50.464610] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 07fa619f26833 # [ 42.642280] RDX: 000000000000000a RSI: 00007[ 50.478821] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 fa619e19000 RDI: 0000000000000001 # [ 42.650250] RBP: 00007fa[ 50.493031] irq event stamp: 0 619e19000 R08: 00007fa619e18010 R09: 0000000000000000 # [ 42.[ 50.502694] hardirqs last enabled at (0): [<0000000000000000>] 0x0 658220] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000[ 50.515879] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 000000001 # [ 42.666191] R13: 0000000000000001 R14: 000000000[ 50.531242] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 0020000 R15: 0000000000020000 # [ 42.674157] Modules linked i[ 50.546591] softirqs last disabled at (0): [<0000000000000000>] 0x0 n: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sens[ 50.559813] ---[ end trace 7e1796e8a934a123 ]--- ors_core industrialio_triggered_buffer kfifo_buf industrialio uv[ 50.571183] lkdtm: Negative detected: saturated cvideo videobuf2_vmalloc cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_ec_debugfs cros_ec_lightbar cros_ec_sensorhub videobuf2_memops cros_usbpd_charger videobuf2_v4l2 snd_soc_da7219 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_core videobuf2_common snd_compress snd_pcm_dmaengine regmap_i2c coreboot_table i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight # [ 42.732834] CR2: 0000000000000000 # [ 42.736533] ---[ end trace 7e1796e8a934a117 ]--- # [ 42.741689] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 42.746067] Code: 89 ff e8 fe f0 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 20 46 e9 02 # [ 42.767052] RSP: 0018:ffffaed74132fe60 EFLAGS: 00010286 # [ 42.772887] RAX: ffffffff8c378590 RBX: 0000000000000001 RCX: 0000000000000000 # [ 42.780857] RDX: 0000000000000000 RSI: ffff8c057ac1bf70 RDI: ffffffff8d37e0b0 # [ 42.788828] RBP: ffffffff8d85c448 R08: 0000000000000001 R09: 0000000000000001 # [ 42.796800] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 42.804772] R13: ffffaed74132ff10 R14: ffffaed74132ff10 R15: ffff8c050351e000 # [ 42.812742] FS: 00007fa61a010580(0000) GS:ffff8c057ac80000(0000) knlGS:0000000000000000 # [ 42.821782] CS: 0010[ 50.706984] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE [ 50.720544] lkdtm: attempting bad refcount_sub_and_test() below zero [ 50.727677] ------------[ cut here ]------------ [ 50.732880] refcount_t: underflow; use-after-free. [ 50.738293] WARNING: CPU: 3 PID: 2198 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 42.828197] CR2: [ 50.747729] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_ec_debugfs cros_ec_lightbar cros_ec_sensorhub videobuf2_memops cros_usbpd_charger videobuf2_v4l2 snd_soc_da7219 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_core videobuf2_common snd_compress snd_pcm_dmaengine regmap_i2c coreboot_table i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight [ 50.806395] CPU: 3 PID: 2198 Comm: cat Tainted: G D W 5.10.178-cip31 #1 [ 50.815050] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 50.821860] RIP: 0010:refcount_warn_saturate+0xba/0x110 [ 50.827700] Code: 01 01 e8 12 b3 c0 00 0f 0b c3 cc cc cc cc 80 3d 46 f7 f6 01 00 75 85 48 c7 c7 30 30 75 8d c6 05 36 f7 f6 01 01 e8 ef b2 c0 00 <0f> 0b c3 cc cc cc cc 80 3d 21 f7 f6 01 00 0f 85 5e ff ff ff 48 c7 [ 50.848690] RSP: 0018:ffffaed742bd7e40 EFLAGS: 00010286 ffffffffffffffd6 CR3: 0000000103784004 CR4: 00000000003706e0 # [ 50.854529] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000 [ 42.836168] BUG: sleeping function called from invalid contex[ 50.868723] RDX: ffff8c057adac660 RSI: ffff8c057ad9bf70 RDI: ffff8c057ad9bf70 [ 50.882912] RBP: ffffffff8d7f7c60 R08: 0000000000000000 R09: 0000000000000000 [ 50.890889] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f [ 50.898895] R13: ffffaed742bd7f10 R14: ffffaed742bd7f10 R15: ffff8c050358c000 [ 50.906874] FS: 00007f6be5a17580(0000) GS:ffff8c057ad80000(0000) knlGS:0000000000000000 [ 50.915946] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.922367] CR2: 00007f6be5820000 CR3: 0000000105974002 CR4: 00000000003706e0 [ 50.930342] Call Trace: [ 50.933099] __refcount_sub_and_test.constprop.0+0x3c/0x50 t at include/linux/percpu-rwsem.h:49 # [ 42.846081] in_atomic[ 50.939242] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x7b [ 50.951672] direct_entry.cold+0x2c/0x38 [ 50.956075] full_proxy_write+0x53/0x80 [ 50.960393] vfs_write+0xe7/0x3b0 [ 50.964125] ksys_write+0x68/0xf0 [ 50.967831] do_syscall_64+0x30/0x40 [ 50.971853] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 50.977500] RIP: 0033:0x7f6be592d833 [ 50.981523] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 51.002515] RSP: 002b:00007fff506a64d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 51.010978] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f6be592d833 [ 51.018953] RDX: 000000000000001f RSI: 00007f6be5820000 RDI: 0000000000000001 [ 51.026926] RBP: 00007f6be5820000 R08: 00007f6be581f010 R09: 0000000000000000 [ 51.034902] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 51.042876] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 51.050854] irq event stamp: 0 [ 51.054294] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 51.061299] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 [ 51.070471] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 [ 51.079613] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 51.086615] ---[ end trace 7e1796e8a934a124 ]--- [ 51.091773] lkdtm: Negative detected: saturated (): 0, irqs_disabled(): 1, non_block: 0, pid: 1755, name: cat # [ 42.854536] INFO: lockdep is turned off. # [ 42.858914] irq event stamp: 0 # [ 42.862320] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 42.869320] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 42.878457] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 42.887595] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 42.894595] CPU: 1 PID: 1755 Comm: cat Tainted: G D W 5.10.178-cip31 #1 # [ 42.903249] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 42.910054] Call Trace: # [ 42.912782] dump_stack+0x77/0x9b # [ 42.916480] ___might_sleep.cold+0xa6/0xb6 # [ 42.921053] exit_signals+0x1c/0x300 # [ 42.925045] do_exit+0xc2/0xab0 # [ 42.928548] ? ksys_write+0x68/0xf0 # [ 42.932442] make_task_dead+0x2f/0x30 # [ 42.936528] rewind_stack_and_make_dead+0x17/0x20 # [ 42.941779] RIP: 0033:0x7fa619f26833 # [ 42.945767] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f [ 51.211798] lkdtm: Performing direct entry REFCOUNT_INC_ZERO [ 51.221385] lkdtm: attempting safe refcount_inc_not_zero() from zero 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 42.966752] RSP: 002b:[ 51.228517] lkdtm: Good: zero detected 00007fffadcfe018 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 51.238912] lkdtm: Correctly stayed at zero [ 51.249797] lkdtm: attempting bad refcount_inc() from zero [ 42.975209] RAX: ffffffffffffffda RBX: 000000000000000a RCX: [ 51.255926] ------------[ cut here ]------------ [ 51.267296] refcount_t: addition on 0; use-after-free. [ 51.273066] WARNING: CPU: 2 PID: 2230 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 00007fa619f26833 # [ 42.983179] RDX: 000000000000000a RSI: 00[ 51.282503] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_ec_debugfs cros_ec_lightbar cros_ec_sensorhub videobuf2_memops cros_usbpd_charger videobuf2_v4l2 snd_soc_da7219 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_core videobuf2_common snd_compress snd_pcm_dmaengine regmap_i2c coreboot_table i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight [ 51.341201] CPU: 2 PID: 2230 Comm: cat Tainted: G D W 5.10.178-cip31 #1 007fa619e19000 RDI: 0000000000000001 # [ 42.991150] RBP: 0000[ 51.349868] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 51.362886] RIP: 0010:refcount_warn_saturate+0x74/0x110 [ 51.368724] Code: 01 01 e8 58 b3 c0 00 0f 0b c3 cc cc cc cc 80 3d 8d f7 f6 01 00 75 cb 48 c7 c7 00 30 75 8d c6 05 7d f7 f6 01 01 e8 35 b3 c0 00 <0f> 0b c3 cc cc cc cc 80 3d 6c f7 f6 01 00 75 a8 48 c7 c7 d8 2f 75 [ 51.389715] RSP: 0018:ffffaed742c8fe48 EFLAGS: 00010286 [ 51.395566] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000 [ 51.403579] RDX: ffff8c057ad2c660 RSI: ffff8c057ad1bf70 RDI: ffff8c057ad1bf70 [ 51.411572] RBP: ffffffff8d7f8001 R08: 0000000000000000 R09: 0000000000000000 [ 51.419564] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 [ 51.427552] R13: ffffaed742c8ff10 R14: ffffaed742c8ff10 R15: ffff8c0506c66000 [ 51.435564] FS: 00007fc5b2391580(0000) GS:ffff8c057ad00000(0000) knlGS:0000000000000000 [ 51.444606] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.451026] CR2: 00007fc5b219a000 CR3: 0000000104992005 CR4: 00000000003706e0 [ 51.459001] Call Trace: [ 51.461732] lkdtm_REFCOUNT_INC_ZERO+0x99/0xc1 [ 51.466727] direct_entry.cold+0x2c/0x38 [ 51.471133] full_proxy_write+0x53/0x80 [ 51.475441] vfs_write+0xe7/0x3b0 [ 51.479168] ksys_write+0x68/0xf0 [ 51.482871] do_syscall_64+0x30/0x40 [ 51.486864] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 51.492508] RIP: 0033:0x7fc5b22a7833 [ 51.496544] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 51.517533] RSP: 002b:00007fffb4aa32a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 51.525994] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fc5b22a7833 7fa619e19000 R08: 00007fa619e18010 R09: 0000000000000000 # [ [ 51.533968] RDX: 0000000000000012 RSI: 00007fc5b219a000 RDI: 0000000000000001 [ 51.548152] RBP: 00007fc5b219a000 R08: 00007fc5b2199010 R09: 0000000000000000 42.999125] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000[ 51.556126] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 51.570313] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 51.578292] irq event stamp: 0 000000000001 # [ 43.007109] R13: 0000000000000001 R14: 000000[ 51.581727] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 51.594943] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 [ 51.604081] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 [ 51.613220] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 51.620221] ---[ end trace 7e1796e8a934a125 ]--- [ 51.625378] lkdtm: Zero detected: saturated 0000020000 R15: 0000000000020000 # EXEC_NULL: saw 'call trace:': ok ok 36 selftests: lkdtm: EXEC_NULL.sh # selftests: lkdtm: ACCESS_USERSPACE.sh # Killed # [ 43.207149] lkdtm: Performing direct entry ACCESS_USERSPACE # [ 43.213996] lkdtm: attempting bad read at 00007fbfefcb2000 # [ 43.226346] BUG: unable to handle page fault for address: 00007fbfefcb2000 # [ 43.240211] #PF: supervisor read access in kernel mode # [ 43.245938] #PF: error_code(0x0001) - permissions violation # [ 43.252159] PGD 8000000103895067 P4D 8000000103895067 PUD 103454067 PMD 10327c067 PTE 10b2ad067 # [ 43.261885] Oops: 0001 [#12] SMP PTI # [ 43.265874] CPU: 0 PID: 1790 Comm: cat Tainted: G D W 5.10.178-cip31 #1 # [ 43.274524] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 43.281332] RIP: 0010:lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3 # [ 43.287559] Code: 00 00 00 75 64 48 83 c4 10 5d c3 cc cc cc cc 48 89 ee 48 c7 c7 88 8e 7f 8d e8 47 d8 fb ff 48 c7 c7 b0 8e 7f 8d b8 de c0 de c0 <48> 03 45 00 48 89 04 24 e8 2e d8 fb ff 48 89 ee 48 c7 c7 d8 8e 7f # [ 43.308543] RSP: 0018:ffffaed742587e48 EFLAGS: 00010246 # [ 43.314369] RAX: 00000000c0dec0de RBX: 0000000000000026 RCX[ 51.745400] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO : 0000000000000000 # [ 43.322329] RDX: 0000000000000000 RSI: [ 51.754489] lkdtm: attempting safe refcount_add_not_zero() from zero ffff8c057ac1bf70 RDI: ffffffff8d7f8eb0 # [ 43.330297] RBP: 00[ 51.767811] lkdtm: Good: zero detected [ 51.778204] lkdtm: Correctly stayed at zero 007fbfefcb2000 R08: 0000000000000000 R09: 0000000000000000 # [ [ 51.782878] lkdtm: attempting bad refcount_add() from zero 43.338267] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 00[ 51.795218] ------------[ cut here ]------------ 00000000000011 # [ 43.346235] R13: ffffaed742587f10 R14: ffff[ 51.806594] refcount_t: addition on 0; use-after-free. aed742587f10 R15: ffff8c0503c37000 # [ 43.354204] FS: 00007f[ 51.818588] WARNING: CPU: 1 PID: 2262 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 bfefc83580(0000) GS:ffff8c057ac00000(0000) knlGS:000000000000000[ 51.834206] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_ec_debugfs cros_ec_lightbar cros_ec_sensorhub videobuf2_memops cros_usbpd_charger videobuf2_v4l2 snd_soc_da7219 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_core videobuf2_common snd_compress snd_pcm_dmaengine regmap_i2c coreboot_table i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight 0 # [ 43.363240] CS: 0010 DS: 0000 ES: 0000 CR0: 00000000800[ 51.892917] CPU: 1 PID: 2262 Comm: cat Tainted: G D W 5.10.178-cip31 #1 50033 # [ 43.369654] CR2: 00007fbfefcb2000 CR3: 00000001035f4[ 51.907763] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 001 CR4: 00000000003706f0 # [ 43.377624] Call Trace: # [ 4[ 51.920788] RIP: 0010:refcount_warn_saturate+0x74/0x110 3.380353] direct_entry.cold+0x2c/0x38 # [ 43.384737] full_p[ 51.932842] Code: 01 01 e8 58 b3 c0 00 0f 0b c3 cc cc cc cc 80 3d 8d f7 f6 01 00 75 cb 48 c7 c7 00 30 75 8d c6 05 7d f7 f6 01 01 e8 35 b3 c0 00 <0f> 0b c3 cc cc cc cc 80 3d 6c f7 f6 01 00 75 a8 48 c7 c7 d8 2f 75 roxy_write+0x53/0x80 # [ 43.389023] vfs_write+0xe7/0x3b0 # [ 51.960051] RSP: 0018:ffffaed742cd7e48 EFLAGS: 00010286 [ 51.972106] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000 [ 43.392728] ksys_write+0x68/0xf0 # [ 43.396426] do_sysca[ 51.980083] RDX: ffff8c057acac660 RSI: ffff8c057ac9bf70 RDI: ffff8c057ac9bf70 [ 51.994279] RBP: ffffffff8d7f8013 R08: 0000000000000000 R09: 0000000000000000 ll_64+0x30/0x40 # [ 43.400420] entry_SYSCALL_64_after_hwfram[ 52.002280] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 [ 52.016464] R13: ffffaed742cd7f10 R14: ffffaed742cd7f10 R15: ffff8c0506e2b000 e+0x61/0xc6 # [ 43.406061] RIP: 0033:0x7fbfefb99833 # [ 43[ 52.024441] FS: 00007fa69fd26580(0000) GS:ffff8c057ac80000(0000) knlGS:0000000000000000 [ 52.039694] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 .410049] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff f[ 52.046116] CR2: 00007fa69fb2f000 CR3: 0000000103fea004 CR4: 00000000003706e0 [ 52.060303] Call Trace: f ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00[ 52.063038] lkdtm_REFCOUNT_ADD_ZERO+0x99/0xc1 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 2[ 52.074211] direct_entry.cold+0x2c/0x38 8 48 89 54 24 18 # [ 43.431023] RSP: 002b:00007ffd2fdac428 EF[ 52.084808] full_proxy_write+0x53/0x80 LAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 43.439478] RAX:[ 52.095310] vfs_write+0xe7/0x3b0 ffffffffffffffda RBX: 0000000000000011 RCX: 00007fbfefb99833 #[ 52.105233] ksys_write+0x68/0xf0 [ 43.447446] RDX: 0000000000000011 RSI: 00007fbfefa8c000 RDI:[ 52.115150] do_syscall_64+0x30/0x40 0000000000000001 # [ 43.455415] RBP: 00007fbfefa8c000 R08: 0[ 52.125359] entry_SYSCALL_64_after_hwframe+0x61/0xc6 0007fbfefa8b010 R09: 0000000000000000 # [ 43.463382] R10: fff[ 52.137219] RIP: 0033:0x7fa69fc3c833 ffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ [ 52.147426] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 43.471351] R13: 0000000000000001 R14: 0000000000020000 R15: 000[ 52.174628] RSP: 002b:00007ffdeb644d38 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 0000000020000 # [ 43.479322] Modules linked in: fuse ip_table[ 52.189304] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fa69fc3c833 s cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industr[ 52.203493] RDX: 0000000000000012 RSI: 00007fa69fb2f000 RDI: 0000000000000001 ialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2[ 52.217682] RBP: 00007fa69fb2f000 R08: 00007fa69fb2e010 R09: 0000000000000000 _vmalloc cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_ec[ 52.231868] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 _debugfs cros_ec_lightbar cros_ec_sensorhub videobuf2_memops cro[ 52.246056] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 s_usbpd_charger videobuf2_v4l2 snd_soc_da7219 gsmi x86_pkg_temp_[ 52.260249] irq event stamp: 0 thermal cros_ec_dev snd_soc_core videobuf2_common snd_compress s[ 52.269871] hardirqs last enabled at (0): [<0000000000000000>] 0x0 nd_pcm_dmaengine regmap_i2c coreboot_table i2c_hid cros_usbpd_no[ 52.283089] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 tify chromeos_pstore cros_kbd_led_backlight # [ 43.531786] CR[ 52.298439] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 2: 00007fbfefcb2000 # [ 43.535482] ---[ end trace 7e1796e8a93[ 52.313792] softirqs last disabled at (0): [<0000000000000000>] 0x0 4a118 ]--- # [ 43.540637] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ [ 52.327009] ---[ end trace 7e1796e8a934a126 ]--- 43.545011] Code: 89 ff e8 fe f0 79 ff 48 c7 c0 ea ff ff ff eb d[ 52.338381] lkdtm: Zero detected: saturated e 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 20 46 e9 02 # [ 43.565991] RSP: 0018:ffffaed74132fe60 EFLAGS: 00010286 # [ 43.571822] RAX: ffffffff8c378590 RBX: 0000000000000001 RCX: 0000000000000000 # [ 43.579790] RDX: 0000000000000000 RSI: ffff8c057ac1bf70 RDI: ffffffff8d37e0b0 # [ 43.587759] RBP: ffffffff8d85c448 R08: 0000000000000001 R09: 0000000000000001 # [ 43.595727] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 43.603696] R13: ffffaed74132ff10 R14: ffffaed74132ff10 R15: ffff8c050351e000 # [ 43.611664] FS: 00007fbfefc83580(0000) GS:ffff8c057ac00000(0000) knlGS:0000000000000000 # [ 43.620698] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 43.627113] CR2: 00007fbfefcb2000 CR3: 00000001035f4001 CR4: 00000000003706f0 # ACCESS_USERSPACE: saw 'call trace:': ok ok 37 selftests: lkdtm: ACCESS_USERSPACE.sh # selftests: lkdtm: ACCESS_NULL.sh # Killed # [ 43.780405] lkdtm: Performing direct entry ACCESS_NULL # [ 43.790098] lkdtm: attempting bad read at 0000000000000000 # [ 43.796249] BUG: kernel NULL pointer dereference, address: 00000000000000[ 52.466842] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED 00 # [ 43.804027] #PF: supervisor read access in kernel mode [ 52.474213] lkdtm: attempting bad refcount_inc() from saturated # [ 43.815975] #PF: error_code(0x0000) - not-present page # [ 52.487050] ------------[ cut here ]------------ [ 43.821710] PGD 0 P4D 0 # [ 43.824536] Oops: 0000 [#13] S[ 52.498419] refcount_t: saturated; leaking memory. MP PTI # [ 43.828524] CPU: 3 PID: 1825 Comm: cat Tainted: G [ 52.510017] WARNING: CPU: 1 PID: 2297 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 D W 5.10.178-cip31 #1 # [ 43.837174] Hardware nam[ 52.525635] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_ec_debugfs cros_ec_lightbar cros_ec_sensorhub videobuf2_memops cros_usbpd_charger videobuf2_v4l2 snd_soc_da7219 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_core videobuf2_common snd_compress snd_pcm_dmaengine regmap_i2c coreboot_table i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight e: Google Rammus/Rammus, BIOS 09/04/2020 # [ 43.843980] RIP:[ 52.584318] CPU: 1 PID: 2297 Comm: cat Tainted: G D W 5.10.178-cip31 #1 [ 52.599189] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 0010:lkdtm_ACCESS_NULL+0x14/0x53 # [ 43.849231] Code: eb d7 [ 52.606003] RIP: 0010:refcount_warn_saturate+0x51/0x110 fb ff be 00 10 00 00 48 89 ef e8 0d b1 0f ff e9 69 ff ff ff 0f 1[ 52.618054] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d b1 f7 f6 01 00 75 ee 48 c7 c7 d8 2f 75 8d c6 05 a1 f7 f6 01 01 e8 58 b3 c0 00 <0f> 0b c3 cc cc cc cc 80 3d 8d f7 f6 01 00 75 cb 48 c7 c7 00 30 75 f 44 00 00 53 31 f6 48 c7 c7 88 8e 7f 8d e8 c5 d7 fb ff <48> 8b [ 52.645262] RSP: 0018:ffffaed742d77e48 EFLAGS: 00010286 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 b0 8e 7f 8d 48 01 # [[ 52.657343] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000 43.870216] RSP: 0018:ffffaed742637e58 EFLAGS: 00010246 # [ [ 52.671532] RDX: ffff8c057acac660 RSI: ffff8c057ac9bf70 RDI: ffff8c057ac9bf70 [ 52.685702] RBP: ffffffff8d7f8025 R08: 0000000000000000 R09: 0000000000000000 43.876046] RAX: 000000000000002e RBX: 0000000000000027 RCX: 000[ 52.693679] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 [ 52.707866] R13: ffffaed742d77f10 R14: ffffaed742d77f10 R15: ffff8c050358a000 0000000000000 # [ 43.884032] RDX: 0000000000000000 RSI: ffff8[ 52.715842] FS: 00007f6f6df11580(0000) GS:ffff8c057ac80000(0000) knlGS:0000000000000000 [ 52.731096] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 c057ad9bf70 RDI: ffff8c057ad9bf70 # [ 43.892016] RBP: fffffff[ 52.737518] CR2: 00007f6f6dd1a000 CR3: 0000000105b38003 CR4: 00000000003706e0 [ 52.751703] Call Trace: f8d7f7f79 R08: 0000000000000000 R09: 0000000000000000 # [ 43.[ 52.754438] lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x64 899991] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000[ 52.766096] direct_entry.cold+0x2c/0x38 00000000c # [ 43.907960] R13: ffffaed742637f10 R14: ffffaed74[ 52.776696] full_proxy_write+0x53/0x80 2637f10 R15: ffff8c0503c28000 # [ 43.915944] FS: 00007fe5f8a[ 52.787195] vfs_write+0xe7/0x3b0 1e580(0000) GS:ffff8c057ad80000(0000) knlGS:0000000000000000 # [ 52.797113] ksys_write+0x68/0xf0 [ 43.924988] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033[ 52.807036] do_syscall_64+0x30/0x40 # [ 43.931405] CR2: 0000000000000000 CR3: 0000000103810001 C[ 52.817246] entry_SYSCALL_64_after_hwframe+0x61/0xc6 R4: 00000000003706e0 # [ 43.939375] Call Trace: # [ 43.942[ 52.829106] RIP: 0033:0x7f6f6de27833 [ 52.839316] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 102] direct_entry.cold+0x2c/0x38 # [ 43.946483] full_proxy_[ 52.860309] RSP: 002b:00007ffdf1eb05c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 52.874999] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f6f6de27833 write+0x53/0x80 # [ 43.950764] vfs_write+0xe7/0x3b0 # [ 4[ 52.882975] RDX: 0000000000000017 RSI: 00007f6f6dd1a000 RDI: 0000000000000001 3.954454] ksys_write+0x68/0xf0 # [ 43.958151] do_syscall_64[ 52.897162] RBP: 00007f6f6dd1a000 R08: 00007f6f6dd19010 R09: 0000000000000000 +0x30/0x40 # [ 43.962131] entry_SYSCALL_64_after_hwframe+0x6[ 52.911353] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 52.925544] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 1/0xc6 # [ 43.967771] RIP: 0033:0x7fe5f8934833 # [ 43.9717[ 52.933542] irq event stamp: 0 [ 52.943142] hardirqs last enabled at (0): [<0000000000000000>] 0x0 50] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff [ 52.950147] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 [ 52.965498] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 0[ 52.974640] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 52.987854] ---[ end trace 7e1796e8a934a127 ]--- 0 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 [ 52.993014] lkdtm: Saturation detected: still saturated 89 54 24 18 # [ 43.992735] RSP: 002b:00007fff4b2effb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 44.001191] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007fe5f8934833 # [ 44.009161] RDX: 000000000000000c RSI: 00007fe5f8827000 RDI: 0000000000000001 # [ 44.017132] RBP: 00007fe5f8827000 R08: 00007fe5f8826010 R09: 0000000000000000 # [ 44.025101] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 44.033071] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 44.041045] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_ec_debugfs cros_ec_lightbar cros_ec_sensorhub videobuf2_memops cros_usbpd_charger videobuf2_v4l2 snd_soc_da7219 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_core videobuf2_common snd_compress snd_pcm_dmaengine regmap_i2c coreboot_table i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight # [ 44.099757] CR2: 0000000000000000 # [ 44.103455] ---[ end trace 7e1796e8a934a119 ]--- # [ 44.108611] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 44.1[ 53.120055] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED 12987] Code: 89 ff e8 fe f0 79 ff 48 c7 c0 ea ff ff ff eb de 48 [ 53.130194] lkdtm: attempting bad refcount_dec() from saturated c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1[ 53.143028] ------------[ cut here ]------------ [ 53.154398] refcount_t: decrement hit 0; leaking memory. f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 [ 53.160365] WARNING: CPU: 1 PID: 2332 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 05 20 46 e9 02 # [ 44.133974] RSP: 0018:ffffaed74132fe60 EFLA[ 53.175982] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_ec_debugfs cros_ec_lightbar cros_ec_sensorhub videobuf2_memops cros_usbpd_charger videobuf2_v4l2 snd_soc_da7219 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_core videobuf2_common snd_compress snd_pcm_dmaengine regmap_i2c coreboot_table i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight GS: 00010286 # [ 44.139806] RAX: ffffffff8c378590 RBX: 000000[ 53.234668] CPU: 1 PID: 2332 Comm: cat Tainted: G D W 5.10.178-cip31 #1 0000000001 RCX: 0000000000000000 # [ 44.147777] RDX: 00000000[ 53.249541] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 00000000 RSI: ffff8c057ac1bf70 RDI: ffffffff8d37e0b0 # [ 44.1[ 53.262567] RIP: 0010:refcount_warn_saturate+0xfb/0x110 55747] RBP: ffffffff8d85c448 R08: 0000000000000001 R09: 00000000[ 53.274622] Code: 88 30 75 8d c6 05 0d f7 f6 01 01 e8 c8 b2 c0 00 0f 0b c3 cc cc cc cc 48 c7 c7 58 30 75 8d c6 05 f4 f6 f6 01 01 e8 ae b2 c0 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b 00000001 # [ 44.163724] R10: 00000000ffffe000 R11: 3fffffffff[ 53.301851] RSP: 0018:ffffaed742defe48 EFLAGS: 00010286 ffffff R12: 0000000000000004 # [ 44.171695] R13: ffffaed74132[ 53.313890] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000 [ 53.328078] RDX: ffff8c057acac660 RSI: ffff8c057ac9bf70 RDI: ffff8c057ac9bf70 ff10 R14: ffffaed74132ff10 R15: ffff8c050351e000 # [ 44.17966[ 53.336054] RBP: ffffffff8d7f803c R08: 0000000000000000 R09: 0000000000000000 [ 53.350240] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 7] FS: 00007fe5f8a1e580(0000) GS:ffff8c057ad80000(0000) knlGS:0[ 53.358216] R13: ffffaed742deff10 R14: ffffaed742deff10 R15: ffff8c0503c1c000 [ 53.372403] FS: 00007f3c7b812580(0000) GS:ffff8c057ac80000(0000) knlGS:0000000000000000 000000000000000 # [ 44.188700] CS: 0010 DS: 0000 ES: 0000 CR[ 53.381449] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.394079] CR2: 00007f3c7b61b000 CR3: 0000000105094001 CR4: 00000000003706e0 0: 0000000080050033 # [ 44.195115] CR2: 0000000000000000 CR3:[ 53.402056] Call Trace: 0000000103810001 CR4: 00000000003706e0 # [ 44.203086] BUG: s[ 53.411002] lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5f leeping function called from invalid context at include/linux/pe[ 53.422668] direct_entry.cold+0x2c/0x38 rcpu-rwsem.h:49 # [ 44.212999] in_atomic(): 0, irqs_disabled([ 53.433268] full_proxy_write+0x53/0x80 ): 1, non_block: 0, pid: 1825, name: cat # [ 44.221454] INFO:[ 53.443780] vfs_write+0xe7/0x3b0 lockdep is turned off. # [ 44.225831] irq event stamp: 0 # [ 53.453696] ksys_write+0x68/0xf0 [ 44.229236] hardirqs last enabled at (0): [<0000000000000000[ 53.463617] do_syscall_64+0x30/0x40 >] 0x0 # [ 44.236237] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 44.245374] softirq[ 53.489678] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 53.516881] RSP: 002b:00007fff9151eb78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 s last enabled at (0): [] copy_process+0x664/[ 53.525344] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f3c7b728833 0x1c60 # [ 44.254511] softirqs last disabled at (0): [<000000[ 53.539531] RDX: 0000000000000017 RSI: 00007f3c7b61b000 RDI: 0000000000000001 0000000000>] 0x0 # [ 44.261510] CPU: 3 PID: 1825 Comm: cat Ta[ 53.553736] RBP: 00007f3c7b61b000 R08: 00007f3c7b61a010 R09: 0000000000000000 [ 53.567926] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 inted: G D W 5.10.178-cip31 #1 # [ 44.270161] Ha[ 53.575901] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 rdware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 44.27[ 53.590110] irq event stamp: 0 [ 53.599719] hardirqs last enabled at (0): [<0000000000000000>] 0x0 6967] Call Trace: # [ 44.279694] dump_stack+0x77/0x9b # [ [ 53.606725] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 [ 53.622074] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 44.283384] ___might_sleep.cold+0xa6/0xb6 # [ 44.287957] ex[ 53.631240] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 53.644456] ---[ end trace 7e1796e8a934a128 ]--- it_signals+0x1c/0x300 # [ 44.291946] do_exit+0xc2/0xab0 # [[ 53.649612] lkdtm: Saturation detected: still saturated 44.295440] ? ksys_write+0x68/0xf0 # [ 44.299332] make_task_dead+0x2f/0x30 # [ 44.303418] rewind_stack_and_make_dead+0x17/0x20 # [ 44.308659] RIP: 0033:0x7fe5f8934833 # [ 44.312649] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 44.333626] RSP: 002b:00007fff4b2effb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 44.342081] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007fe5f8934833 # [ 44.350052] RDX: 000000000000000c RSI: 00007fe5f8827000 RDI: 0000000000000001 # [ 44.358023] RBP: 00007fe5f8827000 R08: 00007fe5f8826010 R09: 0000000000000000 # [ 44.365994] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 44.373964] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # ACCESS_NULL: saw 'call trace:': ok ok 38 selftests: lkdtm: ACCESS_NULL.sh # selftests: lkdtm: WRITE_RO.sh # Killed # [ 44.502958] lkdtm: Performing direct entry WRITE_RO # [ 44.511754] lkdtm: attempting bad rodata write at ffffffff8d37e530 # [ 44.524887] BUG: unable to handle page fault for a[ 53.778672] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED [ 53.786662] lkdtm: attempting bad refcount_dec() from saturated ddress: ffffffff8d37e530 # [ 44.538762] #PF: supervisor write[ 53.793281] ------------[ cut here ]------------ [ 53.804648] refcount_t: saturated; leaking memory. access in kernel mode # [ 44.544596] #PF: error_code(0x0003)[ 53.810021] WARNING: CPU: 3 PID: 2367 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 [ 53.825660] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_ec_debugfs cros_ec_lightbar cros_ec_sensorhub videobuf2_memops cros_usbpd_charger videobuf2_v4l2 snd_soc_da7219 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_core videobuf2_common snd_compress snd_pcm_dmaengine regmap_i2c coreboot_table i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight - permissions violation # [ 44.557033] PGD 2d829067 P4D 2d82[ 53.878191] CPU: 3 PID: 2367 Comm: cat Tainted: G D W 5.10.178-cip31 #1 [ 53.893047] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 9067 PUD 2d82a063 PMD 800000002d0000e1 # [ 44.570741] Oops: [ 53.899880] RIP: 0010:refcount_warn_saturate+0x51/0x110 0003 [#14] SMP PTI # [ 44.574732] CPU: 1 PID: 1860 Comm: cat [ 53.911924] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d b1 f7 f6 01 00 75 ee 48 c7 c7 d8 2f 75 8d c6 05 a1 f7 f6 01 01 e8 58 b3 c0 00 <0f> 0b c3 cc cc cc cc 80 3d 8d f7 f6 01 00 75 cb 48 c7 c7 00 30 75 Tainted: G D W 5.10.178-cip31 #1 # [ 44.589596] [ 53.939124] RSP: 0018:ffffaed742e87e48 EFLAGS: 00010286 Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 44.[ 53.951179] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000 596405] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a # [ 44.601367] Cod[ 53.965372] RDX: ffff8c057adac660 RSI: ffff8c057ad9bf70 RDI: ffff8c057ad9bf70 e: 00 48 c7 c7 68 8d 7f 8d 48 c7 c6 30 e5 37 8d e8 6f da fb ff 4[ 53.979564] RBP: ffffffff8d7f8053 R08: 0000000000000000 R09: 0000000000000000 8 8b 05 37 4f 97 00 ba 34 12 cd ab 48 c7 c7 98 8d 7f 8d 48 31 d0[ 53.993756] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 [ 54.007944] R13: ffffaed742e87f10 R14: ffffaed742e87f10 R15: ffff8c0503c55000 <48> 89 05 21 4f 97 00 e9 4d da fb ff 0f 1f 44 00 00 48 8b 05 1[ 54.015922] FS: 00007fa9ee397580(0000) GS:ffff8c057ad80000(0000) knlGS:0000000000000000 [ 54.031170] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 0 3d # [ 44.628570] RSP: 0018:ffffaed7426bfe60 EFLAGS: 000102[ 54.037590] CR2: 00007fa9ee1a0000 CR3: 0000000103784003 CR4: 00000000003706e0 [ 54.051771] Call Trace: 02 # [ 44.634403] RAX: 000000000198b861 RBX: 0000000000000028[ 54.054509] lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x64 RCX: 0000000000000000 # [ 44.642374] RDX: 00000000abcd1234 R[ 54.066166] direct_entry.cold+0x2c/0x38 SI: ffff8c057ac9bf70 RDI: ffffffff8d7f8d98 # [ 44.650344] RBP[ 54.076763] full_proxy_write+0x53/0x80 : ffffffff8d7f7f85 R08: 0000000000000000 R09: 0000000000000000 [ 54.087259] vfs_write+0xe7/0x3b0 # [ 44.658313] R10: 00000000ffffe000 R11: 3fffffffffffffff R12[ 54.097176] ksys_write+0x68/0xf0 : 0000000000000009 # [ 44.666284] R13: ffffaed7426bff10 R14: [ 54.107091] do_syscall_64+0x30/0x40 ffffaed7426bff10 R15: ffff8c0503bea000 # [ 44.674256] FS: 00[ 54.117296] entry_SYSCALL_64_after_hwframe+0x61/0xc6 007f55d0f55580(0000) GS:ffff8c057ac80000(0000) knlGS:00000000000[ 54.129153] RIP: 0033:0x7fa9ee2ad833 00000 # [ 44.683296] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000[ 54.139357] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 080050033 # [ 44.689713] CR2: ffffffff8d37e530 CR3: 000000010[ 54.166558] RSP: 002b:00007ffc2227b738 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 54.181231] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007fa9ee2ad833 3814001 CR4: 00000000003706e0 # [ 44.697685] Call Trace: # [[ 54.189202] RDX: 0000000000000017 RSI: 00007fa9ee1a0000 RDI: 0000000000000001 [ 54.203383] RBP: 00007fa9ee1a0000 R08: 00007fa9ee19f010 R09: 0000000000000000 44.700412] direct_entry.cold+0x2c/0x38 # [ 44.704792] fu[ 54.211357] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 54.225541] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ll_proxy_write+0x53/0x80 # [ 44.709094] vfs_write+0xe7/0x3b0[ 54.233519] irq event stamp: 0 # [ 44.719004] ksys_write+0x68/0xf0 # [ 44.722703] do_s[ 54.243135] hardirqs last enabled at (0): [<0000000000000000>] 0x0 yscall_64+0x30/0x40 # [ 44.726693] entry_SYSCALL_64_after_hw[ 54.256355] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 frame+0x61/0xc6 # [ 44.738546] RIP: 0033:0x7f55d0e6b833 # [ [ 54.271706] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 [ 54.287061] softirqs last disabled at (0): [<0000000000000000>] 0x0 44.742534] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff [ 54.294061] ---[ end trace 7e1796e8a934a129 ]--- [ 54.305429] lkdtm: Saturation detected: still saturated ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 44.763522] RSP: 002b:00007fffd0f5ae18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 44.771978] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f55d0e6b833 # [ 44.779949] RDX: 0000000000000009 RSI: 00007f55d0d5e000 RDI: 0000000000000001 # [ 44.787919] RBP: 00007f55d0d5e000 R08: 00007f55d0d5d010 R09: 0000000000000000 # [ 44.795889] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 44.803859] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 44.811834] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_ec_debugfs cros_ec_lightbar cros_ec_sensorhub videobuf2_memops cros_usbpd_charger videobuf2_v4l2 snd_soc_da7219 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_core videobuf2_common snd_compress snd_pcm_dmaengine regmap_i2c coreboot_table i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight # [ 44.870510] CR2: ffffffff8d37e530 # [ 44.874210] ---[ end trace 7e1796e[ 54.433808] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED [ 54.443253] lkdtm: attempting bad refcount_inc_not_zero() from saturated [ 54.450763] ------------[ cut here ]------------ 8a934a11a ]--- # [ 44.879365] RIP: 0010:lkdtm_BUG+0x5/0x10 #[ 54.455947] refcount_t: saturated; leaking memory. [ 44.883743] Code: 89 ff e8 fe f0 79 ff 48 c7 c0 ea ff ff ff [ 54.467534] WARNING: CPU: 3 PID: 2399 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff e[ 54.483159] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_ec_debugfs cros_ec_lightbar cros_ec_sensorhub videobuf2_memops cros_usbpd_charger videobuf2_v4l2 snd_soc_da7219 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_core videobuf2_common snd_compress snd_pcm_dmaengine regmap_i2c coreboot_table i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight [ 54.541892] CPU: 3 PID: 2399 Comm: cat Tainted: G D W 5.10.178-cip31 #1 b c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 [ 54.550555] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 54.563573] RIP: 0010:refcount_warn_saturate+0x97/0x110 [ 54.569435] Code: 01 01 e8 35 b3 c0 00 0f 0b c3 cc cc cc cc 80 3d 6c f7 f6 01 00 75 a8 48 c7 c7 d8 2f 75 8d c6 05 5c f7 f6 01 01 e8 12 b3 c0 00 <0f> 0b c3 cc cc cc cc 80 3d 46 f7 f6 01 00 75 85 48 c7 c7 30 30 75 00 00 83 05 20 46 e9 02 # [ 44.904729] RSP: 0018:ffffaed74132[ 54.590422] RSP: 0018:ffffaed742ee7e38 EFLAGS: 00010282 [ 54.602473] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 [ 54.610467] RDX: ffff8c057adac660 RSI: ffff8c057ad9bf70 RDI: ffff8c057ad9bf70 [ 54.618454] RBP: ffffffff8d7f7c80 R08: 0000000000000000 R09: 0000000000000000 [ 54.626464] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 [ 54.634451] R13: ffffaed742ee7f10 R14: ffffaed742ee7f10 R15: ffff8c0503feb000 [ 54.642460] FS: 00007f5cb8754580(0000) GS:ffff8c057ad80000(0000) knlGS:0000000000000000 [ 54.651503] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.657923] CR2: 00007f5cb855d000 CR3: 0000000103896001 CR4: 00000000003706e0 [ 54.665897] Call Trace: [ 54.668629] __refcount_add_not_zero.constprop.0+0x2a/0x35 [ 54.674759] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x76 [ 54.681105] direct_entry.cold+0x2c/0x38 [ 54.685486] full_proxy_write+0x53/0x80 [ 54.689771] vfs_write+0xe7/0x3b0 [ 54.693472] ksys_write+0x68/0xf0 [ 54.697175] do_syscall_64+0x30/0x40 [ 54.701191] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 54.706834] RIP: 0033:0x7f5cb866a833 [ 54.710825] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 54.731815] RSP: 002b:00007ffe8a089458 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 fe60 EFLAGS: 00010286 # [ 44.910564] RAX: ffffffff8c378590 RB[ 54.740277] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f5cb866a833 [ 54.754467] RDX: 0000000000000020 RSI: 00007f5cb855d000 RDI: 0000000000000001 [ 54.762442] RBP: 00007f5cb855d000 R08: 00007f5cb855c010 R09: 0000000000000000 [ 54.770422] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 54.778396] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 54.786427] irq event stamp: 0 X: 0000000000000001 RCX: 0000000000000000 # [ 44.918536] RDX:[ 54.789859] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 54.803075] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 [ 54.812214] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 0000000000000000 RSI: ffff8c057ac1bf70 RDI: ffffffff8d37e0b0 #[ 54.821361] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 54.834582] ---[ end trace 7e1796e8a934a12a ]--- [ 54.839740] lkdtm: Saturation detected: still saturated [ 44.926505] RBP: ffffffff8d85c448 R08: 0000000000000001 R09: 0000000000000001 # [ 44.934474] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 44.942444] R13: ffffaed74132ff10 R14: ffffaed74132ff10 R15: ffff8c050351e000 # [ 44.950415] FS: 00007f55d0f55580(0000) GS:ffff8c057ac80000(0000) knlGS:0000000000000000 # [ 44.959454] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 44.965872] CR2: ffffffff8d37e530 CR3: 0000000103814001 CR4: 00000000003706e0 # WRITE_RO: saw 'call trace:': ok ok 39 selftests: lkdtm: WRITE_RO.sh # selftests: lkdtm: WRITE_RO_AFTER_INIT.sh # Killed # [ 45.084917] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT # [ 45.092253] lkdtm: attempting bad ro_after_init write at ffffffff8d87d330 # [ 45.099893] BUG: unable to handle page fault for address: ffffffff8d87d330 # [ 45.107581] #PF: supervisor write access in kernel mode # [ 45.119628] #PF: error_code(0x0003) - permissions violation # [ 45.125853] PGD 2d829067 P4D 2d829067 PUD 2d82a063 PMD 10529a063 PTE 800000002d67d061 # [ 45.140821] Oops: 0003 [#15] SMP PTI # [ 45.144811] CPU: 3 PID: 1895 Comm: cat Tainted: G D W 5.10.178-cip31 #1 # [ 45[ 54.962497] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED [ 54.971381] lkdtm: attempting bad refcount_add_not_zero() from saturated [ 54.978872] ------------[ cut here ]------------ [ 54.984065] refcount_t: saturated; leaking memory. [ 54.989475] WARNING: CPU: 3 PID: 2431 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 .153452] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 54.998910] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_ec_debugfs cros_ec_lightbar cros_ec_sensorhub videobuf2_memops cros_usbpd_charger videobuf2_v4l2 snd_soc_da7219 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_core videobuf2_common snd_compress snd_pcm_dmaengine regmap_i2c coreboot_table i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight [ 55.057588] CPU: 3 PID: 2431 Comm: cat Tainted: G D W 5.10.178-cip31 #1 # [ 45.160260] RIP: 0010:lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a [ 55.066272] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 55.079314] RIP: 0010:refcount_warn_saturate+0x97/0x110 [ 55.085182] Code: 01 01 e8 35 b3 c0 00 0f 0b c3 cc cc cc cc 80 3d 6c f7 f6 01 00 75 a8 48 c7 c7 d8 2f 75 8d c6 05 5c f7 f6 01 01 e8 12 b3 c0 00 <0f> 0b c3 cc cc cc cc 80 3d 46 f7 f6 01 00 75 85 48 c7 c7 30 30 75 [ 55.106175] RSP: 0018:ffffaed742fa7e38 EFLAGS: 00010282 [ 55.112012] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 [ 55.119986] RDX: ffff8c057adac660 RSI: ffff8c057ad9bf70 RDI: ffff8c057ad9bf70 [ 55.127961] RBP: ffffffff8d7f7ca0 R08: 0000000000000000 R09: 0000000000000000 [ 55.135933] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 [ 55.143907] R13: ffffaed742fa7f10 R14: ffffaed742fa7f10 R15: ffff8c0503035000 [ 55.151880] FS: 00007f0b90e16580(0000) GS:ffff8c057ad80000(0000) knlGS:0000000000000000 [ 55.160922] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.167339] CR2: 00007f0b90c1f000 CR3: 0000000102932003 CR4: 00000000003706e0 [ 55.175321] Call Trace: [ 55.178054] __refcount_add_not_zero.constprop.0+0x2a/0x35 [ 55.184209] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x76 [ 55.190558] direct_entry.cold+0x2c/0x38 [ 55.194941] full_proxy_write+0x53/0x80 # [ 45.166289] Code: 8d 7f 8d e9 21 da fb ff 48 c7 c7 f0 8d 7f[ 55.199269] vfs_write+0xe7/0x3b0 [ 55.209187] ksys_write+0x68/0xf0 [ 55.212913] do_syscall_64+0x30/0x40 [ 55.216929] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 55.222573] RIP: 0033:0x7f0b90d2c833 [ 55.226565] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 55.247558] RSP: 002b:00007ffe96020e38 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 55.256020] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f0b90d2c833 [ 55.263993] RDX: 0000000000000020 RSI: 00007f0b90c1f000 RDI: 0000000000000001 [ 55.271965] RBP: 00007f0b90c1f000 R08: 00007f0b90c1e010 R09: 0000000000000000 [ 55.279940] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 55.287914] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 55.295890] irq event stamp: 0 [ 55.299326] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 55.306328] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 [ 55.315467] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 [ 55.324606] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 55.331609] ---[ end trace 7e1796e8a934a12b ]--- [ 55.336767] lkdtm: Saturation detected: still saturated 8d e8 15 da fb ff 48 8b 05 dd 3c e7 00 ba 34 12 cd ab 48 c7 c7 98 8d 7f 8d 48 31 d0 <48> 89 05 c7 3c e7 00 e9 f3 d9 fb ff 0f 1f 44 00 00 41 54 48 c7 c7 # [ 45.187273] RSP: 0018:ffffaed742707e60 EFLAGS: 00010202 # [ 45.193105] RAX: 00000000fe67479e RBX: 0000000000000029 RCX: 0000000000000000 # [ 45.201086] RDX: 00000000abcd1234 RSI: ffff8c057ad9bf70 RDI: ffffffff8d7f8d98 # [ 45.209045] RBP: ffffffff8d7f7f8e R08: 0000000000000000 R09: 0000000000000000 # [ 45.217016] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000014 # [ 45.224986] R13: ffffaed742707f10 R14: ffffaed742707f10 R15: ffff8c050324d000 # [ 45.232957] FS: 00007faad5233580(0000) GS:ffff8c057ad80000(0000) knlGS:0000000000000000 # [ 45.241995] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 45.248412] CR2: ffffffff8d87d330 CR3: 0000000106f78001 CR4: 00000000003706e0 # [ 45.256382] Call Trace: # [ 45.259108] direct_entry.cold+0x2c/0x38 # [ 45.263487] full_proxy_write+0x53/0x80 # [ 45.267768] vfs_write+0xe7/0x3b0 # [ 45.271465] ksys_write+0x68/0xf0 # [ 45.275164] do_syscall_64+0x30/0x40 # [ 45.279155] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 45.284795] RIP: 0033:0x7faad5149833 # [ 45.288774] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 45.309761] RSP: [ 55.485249] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED [ 55.493414] lkdtm: attempting bad refcount_dec_and_test() from saturated [ 55.500905] ------------[ cut here ]------------ [ 55.506064] refcount_t: underflow; use-after-free. [ 55.511427] WARNING: CPU: 3 PID: 2466 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 002b:00007ffe1728f128 EFLAGS: 00000246 ORIG_RAX: 000000000000000[ 55.520867] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_ec_debugfs cros_ec_lightbar cros_ec_sensorhub videobuf2_memops cros_usbpd_charger videobuf2_v4l2 snd_soc_da7219 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_core videobuf2_common snd_compress snd_pcm_dmaengine regmap_i2c coreboot_table i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight [ 55.579586] CPU: 3 PID: 2466 Comm: cat Tainted: G D W 5.10.178-cip31 #1 [ 55.588240] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 55.595050] RIP: 0010:refcount_warn_saturate+0xba/0x110 [ 55.600890] Code: 01 01 e8 12 b3 c0 00 0f 0b c3 cc cc cc cc 80 3d 46 f7 f6 01 00 75 85 48 c7 c7 30 30 75 8d c6 05 36 f7 f6 01 01 e8 ef b2 c0 00 <0f> 0b c3 cc cc cc cc 80 3d 21 f7 f6 01 00 0f 85 5e ff ff ff 48 c7 [ 55.621879] RSP: 0018:ffffaed742dcfe40 EFLAGS: 00010286 1 # [ 45.318218] RAX: ffffffffffffffda RBX: 0000000000000014 [ 55.627721] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000 [ 55.641912] RDX: ffff8c057adac660 RSI: ffff8c057ad9bf70 RDI: ffff8c057ad9bf70 RCX: 00007faad5149833 # [ 45.326189] RDX: 0000000000000014 RS[ 55.649889] RBP: ffffffff8d7f7cc0 R08: 0000000000000000 R09: 0000000000000000 [ 55.664082] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 [ 55.672056] R13: ffffaed742dcff10 R14: ffffaed742dcff10 R15: ffff8c050595c000 [ 55.680033] FS: 00007fe4cc89b580(0000) GS:ffff8c057ad80000(0000) knlGS:0000000000000000 [ 55.689076] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.695495] CR2: 00007fe4cc6a4000 CR3: 0000000106e78004 CR4: 00000000003706e0 [ 55.703468] Call Trace: [ 55.706199] __refcount_sub_and_test.constprop.0+0x3c/0x50 [ 55.712354] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x76 [ 55.718679] direct_entry.cold+0x2c/0x38 [ 55.723085] full_proxy_write+0x53/0x80 [ 55.727394] vfs_write+0xe7/0x3b0 [ 55.731094] ksys_write+0x68/0xf0 [ 55.734827] do_syscall_64+0x30/0x40 [ 55.738820] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 55.744463] RIP: 0033:0x7fe4cc7b1833 [ 55.748454] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 55.769443] RSP: 002b:00007ffdc4e4bcf8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 55.777903] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fe4cc7b1833 [ 55.785877] RDX: 0000000000000020 RSI: 00007fe4cc6a4000 RDI: 0000000000000001 [ 55.793851] RBP: 00007fe4cc6a4000 R08: 00007fe4cc6a3010 R09: 0000000000000000 [ 55.801827] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 55.809799] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 55.817774] irq event stamp: 0 [ 55.821204] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 55.828206] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 [ 55.837345] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 [ 55.846487] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 55.853491] ---[ end trace 7e1796e8a934a12c ]--- [ 55.858647] lkdtm: Saturation detected: still saturated I: 00007faad503c000 RDI: 0000000000000001 # [ 45.334158] RBP: 00007faad503c000 R08: 00007faad503b010 R09: 0000000000000000 # [ 45.342129] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 45.350100] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 45.358074] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_ec_debugfs cros_ec_lightbar cros_ec_sensorhub videobuf2_memops cros_usbpd_charger videobuf2_v4l2 snd_soc_da7219 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_core videobuf2_common snd_compress snd_pcm_dmaengine regmap_i2c coreboot_table i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight # [ 45.416785] CR2: ffffffff8d87d330 # [ 45.420482] ---[ end trace 7e1796e8a934a11b ]--- # [ 45.425638] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 45.430016] Code: 89 ff e8 fe f0 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 20 46 e9 02 # [ 45.451003] RSP: 0018:ffffaed74132fe60 EFLAGS: 00010286 # [ 45.456837] RAX:[ 55.988787] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED [ 55.996622] lkdtm: attempting bad refcount_sub_and_test() from saturated [ 56.004118] ------------[ cut here ]------------ [ 56.009282] refcount_t: underflow; use-after-free. [ 56.014661] WARNING: CPU: 3 PID: 2501 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 ffffffff8c378590 RBX: 0000000000000001 RCX: 0000000000000000 #[ 56.024093] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_ec_debugfs cros_ec_lightbar cros_ec_sensorhub videobuf2_memops cros_usbpd_charger videobuf2_v4l2 snd_soc_da7219 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_core videobuf2_common snd_compress snd_pcm_dmaengine regmap_i2c coreboot_table i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight [ 56.082802] CPU: 3 PID: 2501 Comm: cat Tainted: G D W 5.10.178-cip31 #1 [ 45.464808] RDX: 0000000000000000 RSI: ffff8c057ac1bf70 RDI:[ 56.091465] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 56.104482] RIP: 0010:refcount_warn_saturate+0xba/0x110 [ 56.110319] Code: 01 01 e8 12 b3 c0 00 0f 0b c3 cc cc cc cc 80 3d 46 f7 f6 01 00 75 85 48 c7 c7 30 30 75 8d c6 05 36 f7 f6 01 01 e8 ef b2 c0 00 <0f> 0b c3 cc cc cc cc 80 3d 21 f7 f6 01 00 0f 85 5e ff ff ff 48 c7 [ 56.131308] RSP: 0018:ffffaed7430a7e40 EFLAGS: 00010286 [ 56.137145] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000 [ 56.145119] RDX: ffff8c057adac660 RSI: ffff8c057ad9bf70 RDI: ffff8c057ad9bf70 [ 56.153092] RBP: ffffffff8d7f7ce0 R08: 0000000000000000 R09: 0000000000000000 [ 56.161082] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 [ 56.169070] R13: ffffaed7430a7f10 R14: ffffaed7430a7f10 R15: ffff8c050363b000 [ 56.177085] FS: 00007fb159c3e580(0000) GS:ffff8c057ad80000(0000) knlGS:0000000000000000 [ 56.186127] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.192547] CR2: 00007fb159a47000 CR3: 0000000103bea002 CR4: 00000000003706e0 [ 56.200521] Call Trace: [ 56.203252] __refcount_sub_and_test.constprop.0+0x3c/0x50 [ 56.209405] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x76 [ 56.215755] direct_entry.cold+0x2c/0x38 [ 56.220137] full_proxy_write+0x53/0x80 [ 56.224444] vfs_write+0xe7/0x3b0 [ 56.228169] ksys_write+0x68/0xf0 [ 56.231872] do_syscall_64+0x30/0x40 [ 56.235865] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 56.241508] RIP: 0033:0x7fb159b54833 [ 56.245500] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 56.266492] RSP: 002b:00007fff2ff81be8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 56.274952] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fb159b54833 [ 56.282925] RDX: 0000000000000020 RSI: 00007fb159a47000 RDI: 0000000000000001 [ 56.290898] RBP: 00007fb159a47000 R08: 00007fb159a46010 R09: 0000000000000000 ffffffff8d37e0b0 # [ 45.472780] RBP: ffffffff8d85c448 R08: 0[ 56.298864] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 56.313058] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 000000000000001 R09: 0000000000000001 # [ 45.480750] R10: 000[ 56.321038] irq event stamp: 0 [ 56.330658] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 56.337683] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 [ 56.346824] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 [ 56.355981] softirqs last disabled at (0): [<0000000000000000>] 0x0 00000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ [ 56.362989] ---[ end trace 7e1796e8a934a12d ]--- [ 56.374357] lkdtm: Saturation detected: still saturated 45.488721] R13: ffffaed74132ff10 R14: ffffaed74132ff10 R15: ffff8c050351e000 # [ 45.496691] FS: 00007faad5233580(0000) GS:ffff8c057ad80000(0000) knlGS:0000000000000000 # [ 45.505730] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 45.512146] CR2: ffffffff8d87d330 CR3: 0000000106f78001 CR4: 00000000003706e0 # WRITE_RO_AFTER_INIT: saw 'call trace:': ok ok 40 selftests: lkdtm: WRITE_RO_AFTER_INIT.sh # selftests: lkdtm: WRITE_KERN.sh # Killed # [ 45.667003] lkdtm: Performing direct entry WRITE_KERN # [ 45.674962] lkdtm: attempting bad 6884371 byte write at ffffffff8ca09573 # [ 45.682502] BUG: unable to handle page fault for address: ffffffff8ca09573 # [ 45.690184] #PF: supervisor write access in kernel mode # [ 45.702232] #PF: error_code(0x0003) - permissions violation # [ 45.708455] PGD 2d829067 P4D 2d829067 PUD 2d82a063 PMD 2c8000e1 # [ 45.715169] Oops: 0003 [#16] SMP PTI # [ 45.719163] CPU: 2 PID: 1930 Comm: cat Tainted: G D W 5.10.178-cip31 #1 # [ 45.727812] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 45.734619] RIP: 0010:lkdtm_WRITE_KERN+0x38/0x4e # [ 45.739772] Code: 53 48 c7 c3 73 95 a0 8c 49 89 dc 48 89 da 49 81 ec 60 89 37 8c 4c 89 e6 e8 c8 d9 fb ff 48 89 df 4c 89 e1 48 c7 c6 60 89 37 8c a4 48 c7 c7 98 8d 7f 8d e8 ad d9 fb ff 5b 41 5c e9 b7 fe ff ff # [ 45.760755] RSP: 0018:ffffaed7427afe50 EFLAGS: 00010246 # [ 45.766588] RAX: 000000000000003c RBX: ffffffff8ca09573 RCX: 0000000000690c13 # [ 45.774557] RDX: 0000000000000000 RSI: ffffffff8c378960 RDI: ffffffff8ca09573 # [ 45.782528] RBP: ffffffff8d7f7fa2 R08: 0000000000000000 R09: 0000000000000000 # [ 45.790498] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000690c13 # [ 45.798467] R13: ffffaed7427aff10 R14: ffffaed7427aff10 R15: ffff8c0503719000 # [ 45.80[ 56.557546] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO 6438] FS: 00007f2ac1646580(0000) GS:ffff8c057ad00000(0000) knlG[ 56.567267] lkdtm: attempting good copy_to_user of correct size S:0000000000000000 # [ 45.815467] CS: 0010 DS: 0000 ES: 0000[ 56.580097] lkdtm: attempting bad copy_to_user of too large size CR0: 0000000080050033 # [ 45.821885] CR2: ffffffff8ca09573 CR3: 00000001035d6005 CR4: 00000000003706e0 # [ 45.829859] Call Trace: # [ 45.838805] direct_entry.cold+0x2c/0x38 # [ 45.843215] full_proxy_write+0x53/0x80 # [ 45.847497] vfs_write+0xe7/0x3b0 # [ 45.851197] ksys_write+0x68/0xf0 # [ 45.854896] do_syscall_64+0x30/0x40 # [ 45.858887] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 45.864528] RIP: 0033:0x7f2ac155c833 # [ 45.868518] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 45.889506] RSP: 002b:00007ffcf8f0d0f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 45.897964] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f2ac155c833 # [ 45.905937] RDX: 000000000000000b RSI: 00007f2ac144f000 RDI: 0000000000000001 # [ 45.913925] RBP: 00007f2ac144f000 R08: 00007f2ac144e010 R09: 0000000000000000 # [ 45.921923] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 45.929915] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 45.937912] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio u[ 56.719322] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM [ 56.730440] lkdtm: attempting good copy_from_user of correct size [ 56.737265] lkdtm: attempting bad copy_from_user of too large size vcvideo videobuf2_vmalloc cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_ec_debugfs cros_ec_lightbar cros_ec_sensorhub videobuf2_memops cros_usbpd_charger videobuf2_v4l2 snd_soc_da7219 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_core videobuf2_common snd_compress snd_pcm_dmaengine regmap_i2c coreboot_table i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight # [ 45.996591] CR2: ffffffff8ca09573 # [ 46.000289] ---[ end trace 7e1796e8a934a11c ]--- # [ 46.005445] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 46.009839] Code: 89 ff e8 fe f0 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 20 46 e9 02 # [ 46.030833] RSP: 0018:ffffaed74132fe60 EFLAGS: 00010286 # [ 46.042881] RAX: ffffffff8c378590 RBX: 0000000000000001 RCX: 0000000000000000 # [ 46.050866] RDX: 0000000000000000 RSI: ffff8c057ac1bf70 RDI: ffffffff8d37e0b0 # [ 46.058840] RBP: ffffffff8d85c448 R08: 0000000000000001 R09: 0000000000000001 # [ 46.066811] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 46.074794] R13: ffffaed74132ff10 R14: ffffaed74132ff10 R15: ffff8c050351e000 # [ 46.082764] FS: 00007f2ac1646580(0000) GS:ffff8c05[ 56.865237] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO [ 56.875947] lkdtm: attempting good copy_to_user inside whitelist 7ad00000(0000) knlGS:0000000000000000 # [ 46.091831] CS: 001[ 56.882667] lkdtm: attempting bad copy_to_user outside whitelist 0 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 46.104463] CR2: ffffffff8ca09573 CR3: 00000001035d6005 CR4: 00000000003706e0 # [ 46.112435] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 46.122350] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1930, name: cat # [ 46.130808] INFO: lockdep is turned off. # [ 46.135185] irq event stamp: 0 # [ 46.138590] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 46.145591] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 46.154730] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 46.163866] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 46.170865] CPU: 2 PID: 1930 Comm: cat Tainted: G D W 5.10.178-cip31 #1 # [ 46.179515] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 46.186320] Call Trace: # [ 46.189048] dump_stack+0x77/0x9b # [ 46.192756] ___might_sleep.cold+0xa6/0xb6 # [ 46.197327] exit_signals+0x1c/0x300 # [ 46.201308] do_exit+0xc2/0xab0 # [ 46.204802] ? ksys_write+0x68/0xf0 # [ 46.208696] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 # [ 46.214141] make_task_dead+0x2f/0x30 # [ 46.218230] rewind_stac[ 57.015171] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM [ 57.027320] lkdtm: attempting good copy_from_user inside whitelist k_and_make_dead+0x17/0x20 # [ 46.223481] RIP: 0033:0x7f2ac155[ 57.034261] lkdtm: attempting bad copy_from_user outside whitelist c833 # [ 46.227470] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 46.248457] RSP: 002b:00007ffcf8f0d0f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 46.256904] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f2ac155c833 # [ 46.264876] RDX: 000000000000000b RSI: 00007f2ac144f000 RDI: 0000000000000001 # [ 46.272844] RBP: 00007f2ac144f000 R08: 00007f2ac144e010 R09: 0000000000000000 # [ 46.280814] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 46.288784] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # WRITE_KERN: saw 'call trace:': ok ok 41 selftests: lkdtm: WRITE_KERN.sh # selftests: lkdtm: REFCOUNT_INC_OVERFLOW.sh # [ 46.419819] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW # [ 46.427803] lkdtm: attempting good refcount_inc() without overflow # [ 46.434715] lkdtm: attempting bad refcount_inc() overflow # [ 46.440770] ------------[ cut here ]------------ # [ 46.452131] refcount_t: saturated; leaking memory. # [ 46.457503] WARNING: CPU: 3 PID: 196[ 57.162805] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO [ 57.172396] lkdtm: good_stack: ffffaed7433ffe20-ffffaed7433ffe40 [ 57.179108] lkdtm: bad_stack : ffffaed7433ffda8-ffffaed7433ffdc8 5 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ [ 57.185831] lkdtm: attempting good copy_to_user of local stack [ 57.198568] lkdtm: attempting bad copy_to_user of distant stack 46.473137] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_ec_debugfs cros_ec_lightbar cros_ec_sensorhub videobuf2_memops cros_usbpd_charger videobuf2_v4l2 snd_soc_da7219 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_core videobuf2_common snd_compress snd_pcm_dmaengine regmap_i2c coreboot_table i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight # [ 46.531857] CPU: 3 PID: 1965 Comm: cat Tainted: G D W 5.10.178-cip31 #1 # [ 46.546727] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 46.553539] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 46.565594] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d b1 f7 f6 01 00 75 ee 48 c7 c7 d8 2f 75 8d c6 05 a1 f7 f6 01 01 e8 58 b3 c0 00 <0f> 0b c3 cc cc cc cc 80 3d 8d f7 f6 01 00 75 cb 48 c7 c7 00 30 75 # [ 46.592801] RSP: 0018:ffffaed742837e48 EFLAGS: 00010286 # [ 46.604856] RAX: 0000000000000000 RBX: 000000000000002b RCX: 0000000000000000 # [ 46.612860] RDX: ffff8c057adac660 RSI: ffff8c057ad9bf70 RDI: ffff8c057ad9bf70 # [ 46.620832] RBP: ffffffff8d7f7fad R08: 0000000000000000 R09: 0000000000000000 # [ 46.628805] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 46.636802] R13: ffffaed742837f10 R14: ffffaed742837f10 R15: ffff8c0503c36000 # [ 46.644789] FS: 00007fc9ed276580(0000) GS:ffff8c057ad80000(0000) knlGS:0000000000000000 # [ 46.660039] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 46.666458] CR2: 00007fc9ed07f000 CR3: 00000001039ce001 CR4: 00000000003706e0 # [ 46.674431] Call Trace: # [ 46.677163] lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x98 # [ 46.682547] direct_entry.cold+0x2c/0x38 # [ 46.686954] full_proxy_write+0x53/0x80 # [ 46.691286] vfs_write+0xe7/0x3b0 # [ 46.694996] ksys_write+0x68/0xf0 # [ 46.704909] do_syscall_64+0x30/0x40 # [ 46.708926] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 46.714569] RIP: 0033:0x7fc9ed18c833 # [ 46.718560] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 46.739551] RSP: 002b:00007ffce53ffe28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 46.748010] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fc9ed18c833 # [ 46.755984] RDX: 0000000000000016 RSI: 00007fc9ed07f000 RDI: 0000000000000001 # [ 46.763959] RBP: 00007fc9ed07f000 R08: 00007fc9ed07e010 R09: 0000000000000000 # [ 46.771933] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 46.779907] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 46.787885] irq event stamp: 0 # [ 46.791319] hardirqs last enabled at (0): [<0000000000000000[ 57.490893] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM [ 57.502299] lkdtm: good_stack: ffffaed74348fe20-ffffaed74348fe40 [ 57.509045] lkdtm: bad_stack : ffffaed74348fda8-ffffaed74348fdc8 [ 57.515793] lkdtm: attempting good copy_from_user of local stack >] 0x0 # [ 46.804536] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 46.813676] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 46.822816] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 46.829818] ---[ end trace 7e1796e8a934a11d ]--- # [ 46.834975] 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 # [ 46.953522] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW # [ 46.964871] lkdtm: attempting good refcount_add() without overflow # [ 46.971809] lkdtm: attempting bad refcount_add() overflow # [ 46.977843] ------------[ cut here ]------------ # [ 46.989214] refcount_t: saturated; leaking memory. # [ 46.994580] WARNING: CPU: 2 PID: 1997 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 47.010219] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_ec_debugfs cros_ec_lightbar cros_ec_sensorhub videobuf2_memops cros_usbpd_charger videobuf2_v4l2 snd_soc_da7219 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_core videobuf2_common snd_compress snd_pcm_dmaengine regmap_i2c c[ 57.661483] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND oreboot_table i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd[ 57.672816] lkdtm: good_stack: ffffaed74351fe20-ffffaed74351fe40 _led_backlight # [ 47.068959] CPU: 2 PID: 1997 Comm: cat Tain[ 57.685749] lkdtm: bad_stack : ffffaed74351fff8-ffffaed743520018 ted: G D W 5.10.178-cip31 #1 # [ 47.083834] Hard[ 57.698699] lkdtm: attempting good copy_to_user of local stack ware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 47.0906[ 57.711473] lkdtm: attempting bad copy_to_user of distant stack 47] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 47.096488[ 57.724276] lkdtm: copy_to_user failed, but lacked Oops ] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d b1 f7 f6 01 00 75 ee 48 c7 c7 d8 2f 75 8d c6 05 a1 f7 f6 01 01 e8 58 b3 c0 00 <0f> 0b c3 cc cc cc cc 80 3d 8d f7 f6 01 00 75 cb 48 c7 c7 00 30 75 # [ 47.117512] RSP: 0018:ffffaed7428cfe48 EFLAGS: 00010286 # [ 47.123352] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000 # [ 47.131326] RDX: ffff8c057ad2c660 RSI: ffff8c057ad1bf70 RDI: ffff8c057ad1bf70 # [ 47.139302] RBP: ffffffff8d7f7fc3 R08: 0000000000000000 R09: 0000000000000000 # [ 47.147276] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 47.155252] R13: ffffaed7428cff10 R14: ffffaed7428cff10 R15: ffff8c0505ce5000 # [ 47.163227] FS: 00007f15230eb580(0000) GS:ffff8c057ad00000(0000) knlGS:0000000000000000 # [ 47.172274] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 47.178694] CR2: 00007f1522ef4000 CR3: 0000000103736001 CR4: 00000000003706e0 # [ 47.186669] Call Trace: # [ 47.189405] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa7 # [ 47.200974] direct_entry.cold+0x2c/0x38 # [ 47.205380] full_proxy_write+0x53/0x80 # [ 47.209698] vfs_write+0xe7/0x3b0 # [ 47.213431] ksys_write+0x68/0xf0 # [ 47.223350] do_syscall_64+0x30/0x40 # [ 47.227375] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 47.233021] RIP: 0033:0x7f1523001833 # [ 47.237046] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 [ 57.877547] lkdtm: Performing direct entry USERCOPY_KERNEL 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec[ 57.885399] lkdtm: attempting good copy_to_user from kernel rodata: ffffffff8d37e550 28 48 89 54 24 18 # [ 47.258038] RSP: 002b:00007ffdba59f358 [ 57.900282] lkdtm: attempting bad copy_to_user from kernel text: ffffffff8bae0e50 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 47.266531] RA[ 57.914829] lkdtm: FAIL: survived bad copy_to_user() X: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f1523001833 # [ 47.274506] RDX: 0000000000000016 RSI: 00007f1522ef4000 RDI: 0000000000000001 # [ 47.288695] RBP: 00007f1522ef4000 R08: 00007f1522ef3010 R09: 0000000000000000 # [ 47.302890] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 47.310895] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 47.318893] irq event stamp: 0 # [ 47.322328] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 47.335544] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 47.344707] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 47.353849] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 47.360853] ---[ end trace 7e1796e8a934a11e ]--- # [ 47.366013] 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 # [ 47.491830] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW # [ 47.503221] lkdtm: attempting bad refcount_inc_not_zero() overflow # [ 47.516349] ------------[ cut here ]------------ # [ 47.527722] refcount_t: sat[ 58.050637] lkdtm: Performing direct entry STACKLEAK_ERASING [ 58.057296] lkdtm: checking unused part of the thread stack (15928 bytes)... urated; leaking memory. # [ 47.539307] WARNING: CPU: 1 PID: 2[ 58.065180] lkdtm: FAIL: the erased part is not found (checked 15928 bytes) 029 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ [ 58.079168] lkdtm: FAIL: the thread stack is NOT properly erased 47.554940] Modules linked in: fuse ip_tables cros_ec_lid_angle[ 58.092096] CPU: 1 PID: 2866 Comm: cat Tainted: G D W 5.10.178-cip31 #1 [ 58.106963] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 58.113766] Call Trace: cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buf[ 58.116498] dump_stack+0x77/0x9b [ 58.126411] lkdtm_STACKLEAK_ERASING+0x116/0x144 fer kfifo_buf industrialio uvcvideo videobuf2_vmalloc cros_ec_sy[ 58.131567] direct_entry.cold+0x2c/0x38 [ 58.142160] full_proxy_write+0x53/0x80 sfs cros_ec_chardev cros_usbpd_logger cros_ec_debugfs cros_ec_li[ 58.146444] vfs_write+0xe7/0x3b0 [ 58.156354] ksys_write+0x68/0xf0 [ 58.160053] do_syscall_64+0x30/0x40 ghtbar cros_ec_sensorhub videobuf2_memops cros_usbpd_charger vid[ 58.164044] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 58.175896] RIP: 0033:0x7f952e251833 [ 58.179886] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 58.200872] RSP: 002b:00007ffcb6ed24c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 58.209329] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f952e251833 [ 58.217298] RDX: 0000000000000012 RSI: 00007f952e144000 RDI: 0000000000000001 [ 58.225268] RBP: 00007f952e144000 R08: 00007f952e143010 R09: 0000000000000000 [ 58.233238] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 58.241210] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 eobuf2_v4l2 snd_soc_da7219 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_core videobuf2_common snd_compress snd_pcm_dmaengine regmap_i2c coreboot_table i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight # [ 47.613617] CPU: 1 PID: 2029 Comm: cat Tainted: G D W 5.10.178-cip31 #1 # [ 47.628494] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 47.641518] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 47.653569] Code: 01 01 e8 35 b3 c0 00 0f 0b c3 cc cc cc cc 80 3d 6c f7 f6 01 00 75 a8 48 c7 c7 d8 2f 75 8d c6 05 5c f7 f6 01 01 e8 12 b3 c0 00 <0f> 0b c3 cc cc cc cc 80 3d 46 f7 f6 01 00 75 85 48 c7 c7 30 30 75 # [ 47.680777] RSP: 0018:ffffaed74294fe38 EFLAGS: 00010282 # [ 47.692834] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 # [ 47.707025] RDX: ffff8c057acac660 RSI: ffff8c057ac9bf70 RDI: ffff8c057ac9bf70 # [ 47.721215] RBP: ffffffff8d7f7c00 R08: 0000000000000000 R09: 0000000000000000 # [ 47.735406] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 47.749597] R13: ffffaed74294ff10 R14: ffffaed74294ff10 R15: ffff8c050264f000 # [ 47.763787] FS: 00007f72171d8580(0000) GS:ffff8c057ac80000(0000) knlGS:0000000000000000 # [ 47.779043] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 47.791679] CR2: 00007f7216fe1000 CR3: 000000010345a002 CR4: 00000000003706e0 # [ 47.805868] Call Trace: # [ 47.814816] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 47.827160] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x76 # [ 47.839604] direct_entry.cold+0x2c/0x38 # [ 58.401938] lkdtm: Performing direct entry CFI_FORWARD_PROTO [ 58.410928] lkdtm: Calling matched prototype ... [ 58.416142] lkdtm: Calling mismatched prototype ... [ 47.850201] full_proxy_write+0x53/0x80 # [ 47.860699] vf[ 58.421603] lkdtm: Fail: survived mismatched prototype function call! s_write+0xe7/0x3b0 # [ 47.870614] ksys_write+0x68/0xf0 # [ 47.880536] do_syscall_64+0x30/0x40 # [ 47.890742] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 47.902603] RIP: 0033:0x7f72170ee833 # [ 47.912810] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 47.940015] RSP: 002b:00007fff78985628 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 47.954692] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f72170ee833 # [ 47.968881] RDX: 000000000000001f RSI: 00007f7216fe1000 RDI: 0000000000000001 # [ 47.983070] RBP: 00007f7216fe1000 R08: 00007f7216fe0010 R09: 0000000000000000 # [ 47.997262] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 48.011453] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 48.025648] irq event stamp: 0 # [ 48.035267] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 48.048487] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 48.063844] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 48.079198] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 48.092418] ---[ end trace 7e1796e8a934a11f ]--- # [ 48.103792] 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 # [ 48.219672] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW # [ 48.228314] lkdtm: attempting bad refcount_add_not_zero() overflow # [ 48.235228] ------------[ cut here ]------------ # [ 48.240389] refcount_t: saturated; leaking memory. # [ 48.251968] WARNING: CPU: 3 PID: 2061 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 48.267606] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_ec_debugfs cros_ec_lightbar cros_ec_sensorhub videobuf2_memops cros_usbpd_charger videobuf2_v4l2 snd_soc_da7219 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_core videobuf2_common snd_compress snd_pcm_dmaengine regmap_i2c coreboot_table i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight # [ 48.326353] CPU: 3 PID: 2061 Comm: cat Tainted: G D W 5.10.178-cip31 #1 # [ 48.335020] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 48.348035] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 48.353875] Code: 01 01 e8 35 b3 c0 00 0f 0b c3 cc cc cc cc 80 3d 6c f7 f6 01 00 75 a8 48 c7 c7 d8 2f 75 8d c6 05 5c f7 f6 01 01 e8 12 b3 c0 00 <0f> 0b c3 cc cc cc cc 80 3d 46 f7 f6 01 00 75 85 48 c7 c7 30 30 75 # [ 48.374863] RSP: 0018:ffffaed7429afe38 EFLAGS: 00010282 # [ 48.380702] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 # [ 48.388674] RDX: ffff8c057adac660 RSI: ffff8c057ad9bf70 RDI: ffff8c057ad9bf70 # [ 48.396649] RBP: ffffffff8d7f7c20 R08: 0000000000000000 R09: 0000000000000000 # [ 48.404622] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 48.412597] R13: ffffaed7429aff10 R14: ffffaed7429aff10 R15: ffff8c050286d000 # [ 48.420569] FS: 00007f4cdbe52580(0000) GS:ffff8c057ad80000(0000) knlGS:0000000000000000 # [ 48.429613] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 48.436032] CR2: 00007f4cdbc5b000 CR3: 000000010363e006 CR4: 00000000003706e0 # [ 48.444047] Call Trace: # [ 48.446790] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 48.459127] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x76 # [ 48.465384] direct_entry.cold+0x2c/0x38 # [ 48.469767] full_proxy_write+0x53/0x80 # [ 48.474099] vfs_write+0xe7/0x3b0 # [ 48.477804] ksys_write+0x68/0xf0 # [ 48.481539] do_syscall_64+0x30/0x40 # [ 48.485564] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 48.491229] RIP: 0033:0x7f4cdbd68833 # [ 48.495223] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 48.516213] RSP: 002b:00007ffd057f14e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 48.524675] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f4cdbd68833 # [ 48.538865] RDX: 000000000000001f RSI: 00007f4cdbc5b000 RDI: 0000000000000001 # [ 48.546841] RBP: 00007f4cdbc5b000 R08: 00007f4cdbc5a010 R09: 0000000000000000 # [ 48.561052] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 48.569033] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 48.577027] irq event stamp: 0 # [ 48.580465] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 48.587469] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 48.596608] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 48.605747] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 48.612750] ---[ end trace 7e1796e8a934a120 ]--- # [ 48.617907] lkdtm: Overflow detected: saturated # REFCOUNT_ADD_NOT_ZERO_OVERFLOW: saw 'call trace:': ok ok 45 selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh # selftests: lkdtm: REFCOUNT_DEC_ZERO.sh # [ 48.734601] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO # [ 48.741398] lkdtm: attempting good refcount_dec() # [ 48.752884] lkdtm: attempting bad refcount_dec() to zero # [ 48.765060] ------------[ cut here ]------------ # [ 48.776466] refcount_t: decrement hit 0; leaking memory. # [ 48.788634] WARNING: CPU: 0 PID: 2093 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 48.804284] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_ec_debugfs cros_ec_lightbar cros_ec_sensorhub videobuf2_memops cros_usbpd_charger videobuf2_v4l2 snd_soc_da7219 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_core videobuf2_common snd_compress snd_pcm_dmaengine regmap_i2c coreboot_table i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight # [ 48.862966] CPU: 0 PID: 2093 Comm: cat Tainted: G D W 5.10.178-cip31 #1 # [ 48.877866] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 48.890870] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 48.902951] Code: 88 30 75 8d c6 05 0d f7 f6 01 01 e8 c8 b2 c0 00 0f 0b c3 cc cc cc cc 48 c7 c7 58 30 75 8d c6 05 f4 f6 f6 01 01 e8 ae b2 c0 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 48.930148] RSP: 0018:ffffaed742a47e48 EFLAGS: 00010286 # [ 48.942225] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000 # [ 48.956399] RDX: ffff8c057ac2c660 RSI: ffff8c057ac1bf70 RDI: ffff8c057ac1bf70 # [ 48.970623] RBP: ffffffff8d7f7fd9 R08: 0000000000000000 R09: 0000000000000000 # [ 48.984795] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 48.999003] R13: ffffaed742a47f10 R14: ffffaed742a47f10 R15: ffff8c050360f000 # [ 49.013190] FS: 00007f14f4dcf580(0000) GS:ffff8c057ac00000(0000) knlGS:0000000000000000 # [ 49.028469] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 49.041090] CR2: 00007f14f4bd8000 CR3: 000000010401a005 CR4: 00000000003706f0 # [ 49.055309] Call Trace: # [ 49.064227] lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xbd # [ 49.075427] direct_entry.cold+0x2c/0x38 # [ 49.086009] full_proxy_write+0x53/0x80 # [ 49.096515] vfs_write+0xe7/0x3b0 # [ 49.106426] ksys_write+0x68/0xf0 # [ 49.116358] do_syscall_64+0x30/0x40 # [ 49.126557] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 49.138446] RIP: 0033:0x7f14f4ce5833 # [ 49.148644] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 49.175883] RSP: 002b:00007fff435ed518 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 49.190546] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f14f4ce5833 # [ 49.204747] RDX: 0000000000000012 RSI: 00007f14f4bd8000 RDI: 0000000000000001 # [ 49.218930] RBP: 00007f14f4bd8000 R08: 00007f14f4bd7010 R09: 0000000000000000 # [ 49.233147] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 49.247322] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 49.261546] irq event stamp: 0 # [ 49.271147] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 49.284391] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 49.299729] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 49.315103] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 49.328305] ---[ end trace 7e1796e8a934a121 ]--- # [ 49.339668] 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 # [ 49.455814] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE # [ 49.462911] lkdtm: attempting bad refcount_dec() below zero # [ 49.469170] ------------[ cut here ]------------ # [ 49.474357] refcount_t: decrement hit 0; leaking memory. # [ 49.480306] WARNING: CPU: 3 PID: 2128 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 49.489767] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_ec_debugfs cros_ec_lightbar cros_ec_sensorhub videobuf2_memops cros_usbpd_charger videobuf2_v4l2 snd_soc_da7219 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_core videobuf2_common snd_compress snd_pcm_dmaengine regmap_i2c coreboot_table i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight # [ 49.548482] CPU: 3 PID: 2128 Comm: cat Tainted: G D W 5.10.178-cip31 #1 # [ 49.557136] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 49.563945] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 49.569783] Code: 88 30 75 8d c6 05 0d f7 f6 01 01 e8 c8 b2 c0 00 0f 0b c3 cc cc cc cc 48 c7 c7 58 30 75 8d c6 05 f4 f6 f6 01 01 e8 ae b2 c0 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 49.590771] RSP: 0018:ffffaed742ab7e48 EFLAGS: 00010286 # [ 49.596608] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000 # [ 49.604583] RDX: ffff8c057adac660 RSI: ffff8c057ad9bf70 RDI: ffff8c057ad9bf70 # [ 49.618775] RBP: ffffffff8d7f7feb R08: 0000000000000000 R09: 0000000000000000 # [ 49.632962] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 49.647157] R13: ffffaed742ab7f10 R14: ffffaed742ab7f10 R15: ffff8c0502979000 # [ 49.655162] FS: 00007f50fc448580(0000) GS:ffff8c057ad80000(0000) knlGS:0000000000000000 # [ 49.664210] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 49.670659] CR2: 00007f50fc251000 CR3: 0000000104992002 CR4: 00000000003706e0 # [ 49.678642] Call Trace: # [ 49.681427] lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x61 # [ 49.686794] direct_entry.cold+0x2c/0x38 # [ 49.697384] full_proxy_write+0x53/0x80 # [ 49.701700] vfs_write+0xe7/0x3b0 # [ 49.705431] ksys_write+0x68/0xf0 # [ 49.709134] do_syscall_64+0x30/0x40 # [ 49.713157] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 49.718803] RIP: 0033:0x7f50fc35e833 # [ 49.722817] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 49.743810] RSP: 002b:00007ffd0ec5f248 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 49.752302] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f50fc35e833 # [ 49.760296] RDX: 0000000000000016 RSI: 00007f50fc251000 RDI: 0000000000000001 # [ 49.768272] RBP: 00007f50fc251000 R08: 00007f50fc250010 R09: 0000000000000000 # [ 49.776270] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 49.790452] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 49.798432] irq event stamp: 0 # [ 49.801868] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 49.815084] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 49.824263] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 49.833403] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 49.840404] ---[ end trace 7e1796e8a934a122 ]--- # [ 49.845561] 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 # [ 49.960813] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE # [ 49.970167] lkdtm: attempting bad refcount_dec_and_test() below zero # [ 49.983497] ------------[ cut here ]------------ # [ 49.994880] refcount_t: underflow; use-after-free. # [ 50.006534] WARNING: CPU: 0 PID: 2163 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 50.022106] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_ec_debugfs cros_ec_lightbar cros_ec_sensorhub videobuf2_memops cros_usbpd_charger videobuf2_v4l2 snd_soc_da7219 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_core videobuf2_common snd_compress snd_pcm_dmaengine regmap_i2c coreboot_table i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight # [ 50.080853] CPU: 0 PID: 2163 Comm: cat Tainted: G D W 5.10.178-cip31 #1 # [ 50.095728] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 50.108752] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 50.120800] Code: 01 01 e8 12 b3 c0 00 0f 0b c3 cc cc cc cc 80 3d 46 f7 f6 01 00 75 85 48 c7 c7 30 30 75 8d c6 05 36 f7 f6 01 01 e8 ef b2 c0 00 <0f> 0b c3 cc cc cc cc 80 3d 21 f7 f6 01 00 0f 85 5e ff ff ff 48 c7 # [ 50.147990] RSP: 0018:ffffaed742b47e40 EFLAGS: 00010286 # [ 50.160051] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000 # [ 50.174254] RDX: ffff8c057ac2c660 RSI: ffff8c057ac1bf70 RDI: ffff8c057ac1bf70 # [ 50.188478] RBP: ffffffff8d7f7c40 R08: 0000000000000000 R09: 0000000000000000 # [ 50.202658] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 50.216878] R13: ffffaed742b47f10 R14: ffffaed742b47f10 R15: ffff8c0503b34000 # [ 50.231064] FS: 00007fc676a0b580(0000) GS:ffff8c057ac00000(0000) knlGS:0000000000000000 # [ 50.246351] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 50.258980] CR2: 00007fc676814000 CR3: 0000000103596001 CR4: 00000000003706f0 # [ 50.273201] Call Trace: # [ 50.282145] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 50.294537] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x78 # [ 50.306955] direct_entry.cold+0x2c/0x38 # [ 50.317583] full_proxy_write+0x53/0x80 # [ 50.328051] vfs_write+0xe7/0x3b0 # [ 50.337980] ksys_write+0x68/0xf0 # [ 50.347881] do_syscall_64+0x30/0x40 # [ 50.358095] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 50.369949] RIP: 0033:0x7fc676921833 # [ 50.380164] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 50.407358] RSP: 002b:00007ffcfc6b3aa8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 50.422048] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fc676921833 # [ 50.436230] RDX: 000000000000001f RSI: 00007fc676814000 RDI: 0000000000000001 # [ 50.450432] RBP: 00007fc676814000 R08: 00007fc676813010 R09: 0000000000000000 # [ 50.464610] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 50.478821] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 50.493031] irq event stamp: 0 # [ 50.502694] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 50.515879] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 50.531242] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 50.546591] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 50.559813] ---[ end trace 7e1796e8a934a123 ]--- # [ 50.571183] 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 # [ 50.706984] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE # [ 50.720544] lkdtm: attempting bad refcount_sub_and_test() below zero # [ 50.727677] ------------[ cut here ]------------ # [ 50.732880] refcount_t: underflow; use-after-free. # [ 50.738293] WARNING: CPU: 3 PID: 2198 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 50.747729] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_ec_debugfs cros_ec_lightbar cros_ec_sensorhub videobuf2_memops cros_usbpd_charger videobuf2_v4l2 snd_soc_da7219 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_core videobuf2_common snd_compress snd_pcm_dmaengine regmap_i2c coreboot_table i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight # [ 50.806395] CPU: 3 PID: 2198 Comm: cat Tainted: G D W 5.10.178-cip31 #1 # [ 50.815050] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 50.821860] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 50.827700] Code: 01 01 e8 12 b3 c0 00 0f 0b c3 cc cc cc cc 80 3d 46 f7 f6 01 00 75 85 48 c7 c7 30 30 75 8d c6 05 36 f7 f6 01 01 e8 ef b2 c0 00 <0f> 0b c3 cc cc cc cc 80 3d 21 f7 f6 01 00 0f 85 5e ff ff ff 48 c7 # [ 50.848690] RSP: 0018:ffffaed742bd7e40 EFLAGS: 00010286 # [ 50.854529] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000 # [ 50.868723] RDX: ffff8c057adac660 RSI: ffff8c057ad9bf70 RDI: ffff8c057ad9bf70 # [ 50.882912] RBP: ffffffff8d7f7c60 R08: 0000000000000000 R09: 0000000000000000 # [ 50.890889] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 50.898895] R13: ffffaed742bd7f10 R14: ffffaed742bd7f10 R15: ffff8c050358c000 # [ 50.906874] FS: 00007f6be5a17580(0000) GS:ffff8c057ad80000(0000) knlGS:0000000000000000 # [ 50.915946] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 50.922367] CR2: 00007f6be5820000 CR3: 0000000105974002 CR4: 00000000003706e0 # [ 50.930342] Call Trace: # [ 50.933099] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 50.939242] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x7b # [ 50.951672] direct_entry.cold+0x2c/0x38 # [ 50.956075] full_proxy_write+0x53/0x80 # [ 50.960393] vfs_write+0xe7/0x3b0 # [ 50.964125] ksys_write+0x68/0xf0 # [ 50.967831] do_syscall_64+0x30/0x40 # [ 50.971853] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 50.977500] RIP: 0033:0x7f6be592d833 # [ 50.981523] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 51.002515] RSP: 002b:00007fff506a64d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 51.010978] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f6be592d833 # [ 51.018953] RDX: 000000000000001f RSI: 00007f6be5820000 RDI: 0000000000000001 # [ 51.026926] RBP: 00007f6be5820000 R08: 00007f6be581f010 R09: 0000000000000000 # [ 51.034902] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 51.042876] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 51.050854] irq event stamp: 0 # [ 51.054294] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 51.061299] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 51.070471] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 51.079613] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 51.086615] ---[ end trace 7e1796e8a934a124 ]--- # [ 51.091773] 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 # [ 51.211798] lkdtm: Performing direct entry REFCOUNT_INC_ZERO # [ 51.221385] lkdtm: attempting safe refcount_inc_not_zero() from zero # [ 51.228517] lkdtm: Good: zero detected # [ 51.238912] lkdtm: Correctly stayed at zero # [ 51.249797] lkdtm: attempting bad refcount_inc() from zero # [ 51.255926] ------------[ cut here ]------------ # [ 51.267296] refcount_t: addition on 0; use-after-free. # [ 51.273066] WARNING: CPU: 2 PID: 2230 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 # [ 51.282503] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_ec_debugfs cros_ec_lightbar cros_ec_sensorhub videobuf2_memops cros_usbpd_charger videobuf2_v4l2 snd_soc_da7219 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_core videobuf2_common snd_compress snd_pcm_dmaengine regmap_i2c coreboot_table i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight # [ 51.341201] CPU: 2 PID: 2230 Comm: cat Tainted: G D W 5.10.178-cip31 #1 # [ 51.349868] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 51.362886] RIP: 0010:refcount_warn_saturate+0x74/0x110 # [ 51.368724] Code: 01 01 e8 58 b3 c0 00 0f 0b c3 cc cc cc cc 80 3d 8d f7 f6 01 00 75 cb 48 c7 c7 00 30 75 8d c6 05 7d f7 f6 01 01 e8 35 b3 c0 00 <0f> 0b c3 cc cc cc cc 80 3d 6c f7 f6 01 00 75 a8 48 c7 c7 d8 2f 75 # [ 51.389715] RSP: 0018:ffffaed742c8fe48 EFLAGS: 00010286 # [ 51.395566] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000 # [ 51.403579] RDX: ffff8c057ad2c660 RSI: ffff8c057ad1bf70 RDI: ffff8c057ad1bf70 # [ 51.411572] RBP: ffffffff8d7f8001 R08: 0000000000000000 R09: 0000000000000000 # [ 51.419564] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 51.427552] R13: ffffaed742c8ff10 R14: ffffaed742c8ff10 R15: ffff8c0506c66000 # [ 51.435564] FS: 00007fc5b2391580(0000) GS:ffff8c057ad00000(0000) knlGS:0000000000000000 # [ 51.444606] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 51.451026] CR2: 00007fc5b219a000 CR3: 0000000104992005 CR4: 00000000003706e0 # [ 51.459001] Call Trace: # [ 51.461732] lkdtm_REFCOUNT_INC_ZERO+0x99/0xc1 # [ 51.466727] direct_entry.cold+0x2c/0x38 # [ 51.471133] full_proxy_write+0x53/0x80 # [ 51.475441] vfs_write+0xe7/0x3b0 # [ 51.479168] ksys_write+0x68/0xf0 # [ 51.482871] do_syscall_64+0x30/0x40 # [ 51.486864] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 51.492508] RIP: 0033:0x7fc5b22a7833 # [ 51.496544] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 51.517533] RSP: 002b:00007fffb4aa32a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 51.525994] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fc5b22a7833 # [ 51.533968] RDX: 0000000000000012 RSI: 00007fc5b219a000 RDI: 0000000000000001 # [ 51.548152] RBP: 00007fc5b219a000 R08: 00007fc5b2199010 R09: 0000000000000000 # [ 51.556126] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 51.570313] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 51.578292] irq event stamp: 0 # [ 51.581727] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 51.594943] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 51.604081] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 51.613220] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 51.620221] ---[ end trace 7e1796e8a934a125 ]--- # [ 51.625378] 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 # [ 51.745400] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO # [ 51.754489] lkdtm: attempting safe refcount_add_not_zero() from zero # [ 51.767811] lkdtm: Good: zero detected # [ 51.778204] lkdtm: Correctly stayed at zero # [ 51.782878] lkdtm: attempting bad refcount_add() from zero # [ 51.795218] ------------[ cut here ]------------ # [ 51.806594] refcount_t: addition on 0; use-after-free. # [ 51.818588] WARNING: CPU: 1 PID: 2262 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 # [ 51.834206] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_ec_debugfs cros_ec_lightbar cros_ec_sensorhub videobuf2_memops cros_usbpd_charger videobuf2_v4l2 snd_soc_da7219 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_core videobuf2_common snd_compress snd_pcm_dmaengine regmap_i2c coreboot_table i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight # [ 51.892917] CPU: 1 PID: 2262 Comm: cat Tainted: G D W 5.10.178-cip31 #1 # [ 51.907763] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 51.920788] RIP: 0010:refcount_warn_saturate+0x74/0x110 # [ 51.932842] Code: 01 01 e8 58 b3 c0 00 0f 0b c3 cc cc cc cc 80 3d 8d f7 f6 01 00 75 cb 48 c7 c7 00 30 75 8d c6 05 7d f7 f6 01 01 e8 35 b3 c0 00 <0f> 0b c3 cc cc cc cc 80 3d 6c f7 f6 01 00 75 a8 48 c7 c7 d8 2f 75 # [ 51.960051] RSP: 0018:ffffaed742cd7e48 EFLAGS: 00010286 # [ 51.972106] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000 # [ 51.980083] RDX: ffff8c057acac660 RSI: ffff8c057ac9bf70 RDI: ffff8c057ac9bf70 # [ 51.994279] RBP: ffffffff8d7f8013 R08: 0000000000000000 R09: 0000000000000000 # [ 52.002280] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 52.016464] R13: ffffaed742cd7f10 R14: ffffaed742cd7f10 R15: ffff8c0506e2b000 # [ 52.024441] FS: 00007fa69fd26580(0000) GS:ffff8c057ac80000(0000) knlGS:0000000000000000 # [ 52.039694] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 52.046116] CR2: 00007fa69fb2f000 CR3: 0000000103fea004 CR4: 00000000003706e0 # [ 52.060303] Call Trace: # [ 52.063038] lkdtm_REFCOUNT_ADD_ZERO+0x99/0xc1 # [ 52.074211] direct_entry.cold+0x2c/0x38 # [ 52.084808] full_proxy_write+0x53/0x80 # [ 52.095310] vfs_write+0xe7/0x3b0 # [ 52.105233] ksys_write+0x68/0xf0 # [ 52.115150] do_syscall_64+0x30/0x40 # [ 52.125359] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 52.137219] RIP: 0033:0x7fa69fc3c833 # [ 52.147426] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 52.174628] RSP: 002b:00007ffdeb644d38 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 52.189304] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fa69fc3c833 # [ 52.203493] RDX: 0000000000000012 RSI: 00007fa69fb2f000 RDI: 0000000000000001 # [ 52.217682] RBP: 00007fa69fb2f000 R08: 00007fa69fb2e010 R09: 0000000000000000 # [ 52.231868] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 52.246056] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 52.260249] irq event stamp: 0 # [ 52.269871] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 52.283089] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 52.298439] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 52.313792] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 52.327009] ---[ end trace 7e1796e8a934a126 ]--- # [ 52.338381] 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 # [ 52.466842] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED # [ 52.474213] lkdtm: attempting bad refcount_inc() from saturated # [ 52.487050] ------------[ cut here ]------------ # [ 52.498419] refcount_t: saturated; leaking memory. # [ 52.510017] WARNING: CPU: 1 PID: 2297 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 52.525635] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_ec_debugfs cros_ec_lightbar cros_ec_sensorhub videobuf2_memops cros_usbpd_charger videobuf2_v4l2 snd_soc_da7219 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_core videobuf2_common snd_compress snd_pcm_dmaengine regmap_i2c coreboot_table i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight # [ 52.584318] CPU: 1 PID: 2297 Comm: cat Tainted: G D W 5.10.178-cip31 #1 # [ 52.599189] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 52.606003] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 52.618054] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d b1 f7 f6 01 00 75 ee 48 c7 c7 d8 2f 75 8d c6 05 a1 f7 f6 01 01 e8 58 b3 c0 00 <0f> 0b c3 cc cc cc cc 80 3d 8d f7 f6 01 00 75 cb 48 c7 c7 00 30 75 # [ 52.645262] RSP: 0018:ffffaed742d77e48 EFLAGS: 00010286 # [ 52.657343] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000 # [ 52.671532] RDX: ffff8c057acac660 RSI: ffff8c057ac9bf70 RDI: ffff8c057ac9bf70 # [ 52.685702] RBP: ffffffff8d7f8025 R08: 0000000000000000 R09: 0000000000000000 # [ 52.693679] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 52.707866] R13: ffffaed742d77f10 R14: ffffaed742d77f10 R15: ffff8c050358a000 # [ 52.715842] FS: 00007f6f6df11580(0000) GS:ffff8c057ac80000(0000) knlGS:0000000000000000 # [ 52.731096] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 52.737518] CR2: 00007f6f6dd1a000 CR3: 0000000105b38003 CR4: 00000000003706e0 # [ 52.751703] Call Trace: # [ 52.754438] lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x64 # [ 52.766096] direct_entry.cold+0x2c/0x38 # [ 52.776696] full_proxy_write+0x53/0x80 # [ 52.787195] vfs_write+0xe7/0x3b0 # [ 52.797113] ksys_write+0x68/0xf0 # [ 52.807036] do_syscall_64+0x30/0x40 # [ 52.817246] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 52.829106] RIP: 0033:0x7f6f6de27833 # [ 52.839316] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 52.860309] RSP: 002b:00007ffdf1eb05c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 52.874999] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f6f6de27833 # [ 52.882975] RDX: 0000000000000017 RSI: 00007f6f6dd1a000 RDI: 0000000000000001 # [ 52.897162] RBP: 00007f6f6dd1a000 R08: 00007f6f6dd19010 R09: 0000000000000000 # [ 52.911353] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 52.925544] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 52.933542] irq event stamp: 0 # [ 52.943142] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 52.950147] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 52.965498] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 52.974640] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 52.987854] ---[ end trace 7e1796e8a934a127 ]--- # [ 52.993014] 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 # [ 53.120055] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED # [ 53.130194] lkdtm: attempting bad refcount_dec() from saturated # [ 53.143028] ------------[ cut here ]------------ # [ 53.154398] refcount_t: decrement hit 0; leaking memory. # [ 53.160365] WARNING: CPU: 1 PID: 2332 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 53.175982] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_ec_debugfs cros_ec_lightbar cros_ec_sensorhub videobuf2_memops cros_usbpd_charger videobuf2_v4l2 snd_soc_da7219 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_core videobuf2_common snd_compress snd_pcm_dmaengine regmap_i2c coreboot_table i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight # [ 53.234668] CPU: 1 PID: 2332 Comm: cat Tainted: G D W 5.10.178-cip31 #1 # [ 53.249541] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 53.262567] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 53.274622] Code: 88 30 75 8d c6 05 0d f7 f6 01 01 e8 c8 b2 c0 00 0f 0b c3 cc cc cc cc 48 c7 c7 58 30 75 8d c6 05 f4 f6 f6 01 01 e8 ae b2 c0 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 53.301851] RSP: 0018:ffffaed742defe48 EFLAGS: 00010286 # [ 53.313890] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000 # [ 53.328078] RDX: ffff8c057acac660 RSI: ffff8c057ac9bf70 RDI: ffff8c057ac9bf70 # [ 53.336054] RBP: ffffffff8d7f803c R08: 0000000000000000 R09: 0000000000000000 # [ 53.350240] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 53.358216] R13: ffffaed742deff10 R14: ffffaed742deff10 R15: ffff8c0503c1c000 # [ 53.372403] FS: 00007f3c7b812580(0000) GS:ffff8c057ac80000(0000) knlGS:0000000000000000 # [ 53.381449] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 53.394079] CR2: 00007f3c7b61b000 CR3: 0000000105094001 CR4: 00000000003706e0 # [ 53.402056] Call Trace: # [ 53.411002] lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5f # [ 53.422668] direct_entry.cold+0x2c/0x38 # [ 53.433268] full_proxy_write+0x53/0x80 # [ 53.443780] vfs_write+0xe7/0x3b0 # [ 53.453696] ksys_write+0x68/0xf0 # [ 53.463617] do_syscall_64+0x30/0x40 # [ 53.473825] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 53.485685] RIP: 0033:0x7f3c7b728833 # [ 53.489678] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 53.516881] RSP: 002b:00007fff9151eb78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 53.525344] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f3c7b728833 # [ 53.539531] RDX: 0000000000000017 RSI: 00007f3c7b61b000 RDI: 0000000000000001 # [ 53.553736] RBP: 00007f3c7b61b000 R08: 00007f3c7b61a010 R09: 0000000000000000 # [ 53.567926] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 53.575901] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 53.590110] irq event stamp: 0 # [ 53.599719] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 53.606725] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 53.622074] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 53.631240] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 53.644456] ---[ end trace 7e1796e8a934a128 ]--- # [ 53.649612] 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 # [ 53.778672] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED # [ 53.786662] lkdtm: attempting bad refcount_dec() from saturated # [ 53.793281] ------------[ cut here ]------------ # [ 53.804648] refcount_t: saturated; leaking memory. # [ 53.810021] WARNING: CPU: 3 PID: 2367 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 53.825660] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_ec_debugfs cros_ec_lightbar cros_ec_sensorhub videobuf2_memops cros_usbpd_charger videobuf2_v4l2 snd_soc_da7219 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_core videobuf2_common snd_compress snd_pcm_dmaengine regmap_i2c coreboot_table i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight # [ 53.878191] CPU: 3 PID: 2367 Comm: cat Tainted: G D W 5.10.178-cip31 #1 # [ 53.893047] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 53.899880] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 53.911924] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d b1 f7 f6 01 00 75 ee 48 c7 c7 d8 2f 75 8d c6 05 a1 f7 f6 01 01 e8 58 b3 c0 00 <0f> 0b c3 cc cc cc cc 80 3d 8d f7 f6 01 00 75 cb 48 c7 c7 00 30 75 # [ 53.939124] RSP: 0018:ffffaed742e87e48 EFLAGS: 00010286 # [ 53.951179] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000 # [ 53.965372] RDX: ffff8c057adac660 RSI: ffff8c057ad9bf70 RDI: ffff8c057ad9bf70 # [ 53.979564] RBP: ffffffff8d7f8053 R08: 0000000000000000 R09: 0000000000000000 # [ 53.993756] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 54.007944] R13: ffffaed742e87f10 R14: ffffaed742e87f10 R15: ffff8c0503c55000 # [ 54.015922] FS: 00007fa9ee397580(0000) GS:ffff8c057ad80000(0000) knlGS:0000000000000000 # [ 54.031170] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 54.037590] CR2: 00007fa9ee1a0000 CR3: 0000000103784003 CR4: 00000000003706e0 # [ 54.051771] Call Trace: # [ 54.054509] lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x64 # [ 54.066166] direct_entry.cold+0x2c/0x38 # [ 54.076763] full_proxy_write+0x53/0x80 # [ 54.087259] vfs_write+0xe7/0x3b0 # [ 54.097176] ksys_write+0x68/0xf0 # [ 54.107091] do_syscall_64+0x30/0x40 # [ 54.117296] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 54.129153] RIP: 0033:0x7fa9ee2ad833 # [ 54.139357] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 54.166558] RSP: 002b:00007ffc2227b738 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 54.181231] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007fa9ee2ad833 # [ 54.189202] RDX: 0000000000000017 RSI: 00007fa9ee1a0000 RDI: 0000000000000001 # [ 54.203383] RBP: 00007fa9ee1a0000 R08: 00007fa9ee19f010 R09: 0000000000000000 # [ 54.211357] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 54.225541] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 54.233519] irq event stamp: 0 # [ 54.243135] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 54.256355] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 54.271706] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 54.287061] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 54.294061] ---[ end trace 7e1796e8a934a129 ]--- # [ 54.305429] 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 # [ 54.433808] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED # [ 54.443253] lkdtm: attempting bad refcount_inc_not_zero() from saturated # [ 54.450763] ------------[ cut here ]------------ # [ 54.455947] refcount_t: saturated; leaking memory. # [ 54.467534] WARNING: CPU: 3 PID: 2399 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 54.483159] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_ec_debugfs cros_ec_lightbar cros_ec_sensorhub videobuf2_memops cros_usbpd_charger videobuf2_v4l2 snd_soc_da7219 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_core videobuf2_common snd_compress snd_pcm_dmaengine regmap_i2c coreboot_table i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight # [ 54.541892] CPU: 3 PID: 2399 Comm: cat Tainted: G D W 5.10.178-cip31 #1 # [ 54.550555] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 54.563573] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 54.569435] Code: 01 01 e8 35 b3 c0 00 0f 0b c3 cc cc cc cc 80 3d 6c f7 f6 01 00 75 a8 48 c7 c7 d8 2f 75 8d c6 05 5c f7 f6 01 01 e8 12 b3 c0 00 <0f> 0b c3 cc cc cc cc 80 3d 46 f7 f6 01 00 75 85 48 c7 c7 30 30 75 # [ 54.590422] RSP: 0018:ffffaed742ee7e38 EFLAGS: 00010282 # [ 54.602473] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 # [ 54.610467] RDX: ffff8c057adac660 RSI: ffff8c057ad9bf70 RDI: ffff8c057ad9bf70 # [ 54.618454] RBP: ffffffff8d7f7c80 R08: 0000000000000000 R09: 0000000000000000 # [ 54.626464] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 54.634451] R13: ffffaed742ee7f10 R14: ffffaed742ee7f10 R15: ffff8c0503feb000 # [ 54.642460] FS: 00007f5cb8754580(0000) GS:ffff8c057ad80000(0000) knlGS:0000000000000000 # [ 54.651503] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 54.657923] CR2: 00007f5cb855d000 CR3: 0000000103896001 CR4: 00000000003706e0 # [ 54.665897] Call Trace: # [ 54.668629] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 54.674759] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x76 # [ 54.681105] direct_entry.cold+0x2c/0x38 # [ 54.685486] full_proxy_write+0x53/0x80 # [ 54.689771] vfs_write+0xe7/0x3b0 # [ 54.693472] ksys_write+0x68/0xf0 # [ 54.697175] do_syscall_64+0x30/0x40 # [ 54.701191] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 54.706834] RIP: 0033:0x7f5cb866a833 # [ 54.710825] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 54.731815] RSP: 002b:00007ffe8a089458 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 54.740277] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f5cb866a833 # [ 54.754467] RDX: 0000000000000020 RSI: 00007f5cb855d000 RDI: 0000000000000001 # [ 54.762442] RBP: 00007f5cb855d000 R08: 00007f5cb855c010 R09: 0000000000000000 # [ 54.770422] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 54.778396] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 54.786427] irq event stamp: 0 # [ 54.789859] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 54.803075] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 54.812214] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 54.821361] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 54.834582] ---[ end trace 7e1796e8a934a12a ]--- # [ 54.839740] 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 # [ 54.962497] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED # [ 54.971381] lkdtm: attempting bad refcount_add_not_zero() from saturated # [ 54.978872] ------------[ cut here ]------------ # [ 54.984065] refcount_t: saturated; leaking memory. # [ 54.989475] WARNING: CPU: 3 PID: 2431 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 54.998910] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_ec_debugfs cros_ec_lightbar cros_ec_sensorhub videobuf2_memops cros_usbpd_charger videobuf2_v4l2 snd_soc_da7219 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_core videobuf2_common snd_compress snd_pcm_dmaengine regmap_i2c coreboot_table i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight # [ 55.057588] CPU: 3 PID: 2431 Comm: cat Tainted: G D W 5.10.178-cip31 #1 # [ 55.066272] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 55.079314] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 55.085182] Code: 01 01 e8 35 b3 c0 00 0f 0b c3 cc cc cc cc 80 3d 6c f7 f6 01 00 75 a8 48 c7 c7 d8 2f 75 8d c6 05 5c f7 f6 01 01 e8 12 b3 c0 00 <0f> 0b c3 cc cc cc cc 80 3d 46 f7 f6 01 00 75 85 48 c7 c7 30 30 75 # [ 55.106175] RSP: 0018:ffffaed742fa7e38 EFLAGS: 00010282 # [ 55.112012] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 # [ 55.119986] RDX: ffff8c057adac660 RSI: ffff8c057ad9bf70 RDI: ffff8c057ad9bf70 # [ 55.127961] RBP: ffffffff8d7f7ca0 R08: 0000000000000000 R09: 0000000000000000 # [ 55.135933] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 55.143907] R13: ffffaed742fa7f10 R14: ffffaed742fa7f10 R15: ffff8c0503035000 # [ 55.151880] FS: 00007f0b90e16580(0000) GS:ffff8c057ad80000(0000) knlGS:0000000000000000 # [ 55.160922] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 55.167339] CR2: 00007f0b90c1f000 CR3: 0000000102932003 CR4: 00000000003706e0 # [ 55.175321] Call Trace: # [ 55.178054] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 55.184209] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x76 # [ 55.190558] direct_entry.cold+0x2c/0x38 # [ 55.194941] full_proxy_write+0x53/0x80 # [ 55.199269] vfs_write+0xe7/0x3b0 # [ 55.209187] ksys_write+0x68/0xf0 # [ 55.212913] do_syscall_64+0x30/0x40 # [ 55.216929] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 55.222573] RIP: 0033:0x7f0b90d2c833 # [ 55.226565] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 55.247558] RSP: 002b:00007ffe96020e38 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 55.256020] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f0b90d2c833 # [ 55.263993] RDX: 0000000000000020 RSI: 00007f0b90c1f000 RDI: 0000000000000001 # [ 55.271965] RBP: 00007f0b90c1f000 R08: 00007f0b90c1e010 R09: 0000000000000000 # [ 55.279940] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 55.287914] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 55.295890] irq event stamp: 0 # [ 55.299326] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 55.306328] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 55.315467] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 55.324606] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 55.331609] ---[ end trace 7e1796e8a934a12b ]--- # [ 55.336767] 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 # [ 55.485249] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED # [ 55.493414] lkdtm: attempting bad refcount_dec_and_test() from saturated # [ 55.500905] ------------[ cut here ]------------ # [ 55.506064] refcount_t: underflow; use-after-free. # [ 55.511427] WARNING: CPU: 3 PID: 2466 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 55.520867] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_ec_debugfs cros_ec_lightbar cros_ec_sensorhub videobuf2_memops cros_usbpd_charger videobuf2_v4l2 snd_soc_da7219 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_core videobuf2_common snd_compress snd_pcm_dmaengine regmap_i2c coreboot_table i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight # [ 55.579586] CPU: 3 PID: 2466 Comm: cat Tainted: G D W 5.10.178-cip31 #1 # [ 55.588240] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 55.595050] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 55.600890] Code: 01 01 e8 12 b3 c0 00 0f 0b c3 cc cc cc cc 80 3d 46 f7 f6 01 00 75 85 48 c7 c7 30 30 75 8d c6 05 36 f7 f6 01 01 e8 ef b2 c0 00 <0f> 0b c3 cc cc cc cc 80 3d 21 f7 f6 01 00 0f 85 5e ff ff ff 48 c7 # [ 55.621879] RSP: 0018:ffffaed742dcfe40 EFLAGS: 00010286 # [ 55.627721] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000 # [ 55.641912] RDX: ffff8c057adac660 RSI: ffff8c057ad9bf70 RDI: ffff8c057ad9bf70 # [ 55.649889] RBP: ffffffff8d7f7cc0 R08: 0000000000000000 R09: 0000000000000000 # [ 55.664082] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 55.672056] R13: ffffaed742dcff10 R14: ffffaed742dcff10 R15: ffff8c050595c000 # [ 55.680033] FS: 00007fe4cc89b580(0000) GS:ffff8c057ad80000(0000) knlGS:0000000000000000 # [ 55.689076] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 55.695495] CR2: 00007fe4cc6a4000 CR3: 0000000106e78004 CR4: 00000000003706e0 # [ 55.703468] Call Trace: # [ 55.706199] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 55.712354] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x76 # [ 55.718679] direct_entry.cold+0x2c/0x38 # [ 55.723085] full_proxy_write+0x53/0x80 # [ 55.727394] vfs_write+0xe7/0x3b0 # [ 55.731094] ksys_write+0x68/0xf0 # [ 55.734827] do_syscall_64+0x30/0x40 # [ 55.738820] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 55.744463] RIP: 0033:0x7fe4cc7b1833 # [ 55.748454] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 55.769443] RSP: 002b:00007ffdc4e4bcf8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 55.777903] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fe4cc7b1833 # [ 55.785877] RDX: 0000000000000020 RSI: 00007fe4cc6a4000 RDI: 0000000000000001 # [ 55.793851] RBP: 00007fe4cc6a4000 R08: 00007fe4cc6a3010 R09: 0000000000000000 # [ 55.801827] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 55.809799] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 55.817774] irq event stamp: 0 # [ 55.821204] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 55.828206] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 55.837345] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 55.846487] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 55.853491] ---[ end trace 7e1796e8a934a12c ]--- # [ 55.858647] 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 # [ 55.988787] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED # [ 55.996622] lkdtm: attempting bad refcount_sub_and_test() from saturated # [ 56.004118] ------------[ cut here ]------------ # [ 56.009282] refcount_t: underflow; use-after-free. # [ 56.014661] WARNING: CPU: 3 PID: 2501 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 56.024093] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_ec_debugfs cros_ec_lightbar cros_ec_sensorhub videobuf2_memops cros_usbpd_charger videobuf2_v4l2 snd_soc_da7219 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_core videobuf2_common snd_compress snd_pcm_dmaengine regmap_i2c coreboot_table i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight # [ 56.082802] CPU: 3 PID: 2501 Comm: cat Tainted: G D W 5.10.178-cip31 #1 # [ 56.091465] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 56.104482] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 56.110319] Code: 01 01 e8 12 b3 c0 00 0f 0b c3 cc cc cc cc 80 3d 46 f7 f6 01 00 75 85 48 c7 c7 30 30 75 8d c6 05 36 f7 f6 01 01 e8 ef b2 c0 00 <0f> 0b c3 cc cc cc cc 80 3d 21 f7 f6 01 00 0f 85 5e ff ff ff 48 c7 # [ 56.131308] RSP: 0018:ffffaed7430a7e40 EFLAGS: 00010286 # [ 56.137145] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000 # [ 56.145119] RDX: ffff8c057adac660 RSI: ffff8c057ad9bf70 RDI: ffff8c057ad9bf70 # [ 56.153092] RBP: ffffffff8d7f7ce0 R08: 0000000000000000 R09: 0000000000000000 # [ 56.161082] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 56.169070] R13: ffffaed7430a7f10 R14: ffffaed7430a7f10 R15: ffff8c050363b000 # [ 56.177085] FS: 00007fb159c3e580(0000) GS:ffff8c057ad80000(0000) knlGS:0000000000000000 # [ 56.186127] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 56.192547] CR2: 00007fb159a47000 CR3: 0000000103bea002 CR4: 00000000003706e0 # [ 56.200521] Call Trace: # [ 56.203252] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 56.209405] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x76 # [ 56.215755] direct_entry.cold+0x2c/0x38 # [ 56.220137] full_proxy_write+0x53/0x80 # [ 56.224444] vfs_write+0xe7/0x3b0 # [ 56.228169] ksys_write+0x68/0xf0 # [ 56.231872] do_syscall_64+0x30/0x40 # [ 56.235865] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 56.241508] RIP: 0033:0x7fb159b54833 # [ 56.245500] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 56.266492] RSP: 002b:00007fff2ff81be8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 56.274952] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fb159b54833 # [ 56.282925] RDX: 0000000000000020 RSI: 00007fb159a47000 RDI: 0000000000000001 # [ 56.290898] RBP: 00007fb159a47000 R08: 00007fb159a46010 R09: 0000000000000000 # [ 56.298864] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 56.313058] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 56.321038] irq event stamp: 0 # [ 56.330658] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 56.337683] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 56.346824] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 56.355981] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 56.362989] ---[ end trace 7e1796e8a934a12d ]--- # [ 56.374357] 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 # [ 56.557546] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO # [ 56.567267] lkdtm: attempting good copy_to_user of correct size # [ 56.580097] 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 # [ 56.719322] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM # [ 56.730440] lkdtm: attempting good copy_from_user of correct size # [ 56.737265] 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 # [ 56.865237] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO # [ 56.875947] lkdtm: attempting good copy_to_user inside whitelist # [ 56.882667] 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 # [ 57.015171] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM # [ 57.027320] lkdtm: attempting good copy_from_user inside whitelist # [ 57.034261] 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 # [ 57.162805] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO # [ 57.172396] lkdtm: good_stack: ffffaed7433ffe20-ffffaed7433ffe40 # [ 57.179108] lkdtm: bad_stack : ffffaed7433ffda8-ffffaed7433ffdc8 # [ 57.185831] lkdtm: attempting good copy_to_user of local stack # [ 57.198568] 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 # [ 57.490893] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM # [ 57.502299] lkdtm: good_stack: ffffaed74348fe20-ffffaed74348fe40 # [ 57.509045] lkdtm: bad_stack : ffffaed74348fda8-ffffaed74348fdc8 # [ 57.515793] lkdtm: attempting good copy_from_user of local stack # [ 57.522510] 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 # [ 57.661483] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND # [ 57.672816] lkdtm: good_stack: ffffaed74351fe20-ffffaed74351fe40 # [ 57.685749] lkdtm: bad_stack : ffffaed74351fff8-ffffaed743520018 # [ 57.698699] lkdtm: attempting good copy_to_user of local stack # [ 57.711473] lkdtm: attempting bad copy_to_user of distant stack # [ 57.724276] 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 # [ 57.877547] lkdtm: Performing direct entry USERCOPY_KERNEL # [ 57.885399] lkdtm: attempting good copy_to_user from kernel rodata: ffffffff8d37e550 # [ 57.900282] lkdtm: attempting bad copy_to_user from kernel text: ffffffff8bae0e50 # [ 57.914829] 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 # [ 58.050637] lkdtm: Performing direct entry STACKLEAK_ERASING # [ 58.057296] lkdtm: checking unused part of the thread stack (15928 bytes)... # [ 58.065180] lkdtm: FAIL: the erased part is not found (checked 15928 bytes) # [ 58.079168] lkdtm: FAIL: the thread stack is NOT properly erased # [ 58.092096] CPU: 1 PID: 2866 Comm: cat Tainted: G D W 5.10.178-cip31 #1 # [ 58.106963] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 58.113766] Call Trace: # [ 58.116498] dump_stack+0x77/0x9b # [ 58.126411] lkdtm_STACKLEAK_ERASING+0x116/0x144 # [ 58.131567] direct_entry.cold+0x2c/0x38 # [ 58.142160] full_proxy_write+0x53/0x80 # [ 58.146444] vfs_write+0xe7/0x3b0 # [ 58.156354] ksys_write+0x68/0xf0 # [ 58.160053] do_syscall_64+0x30/0x40 # [ 58.164044] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 58.175896] RIP: 0033:0x7f952e251833 # [ 58.179886] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 58.200872] RSP: 002b:00007ffcb6ed24c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 58.209329] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f952e251833 # [ 58.217298] RDX: 0000000000000012 RSI: 00007f952e144000 RDI: 0000000000000001 # [ 58.225268] RBP: 00007f952e144000 R08: 00007f952e143010 R09: 0000000000000000 # [ 58.233238] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 58.241210] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # 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 # [ 58.401938] lkdtm: Performing direct entry CFI_FORWARD_PROTO # [ 58.410928] lkdtm: Calling matched prototype ... # [ 58.416142] lkdtm: Calling mismatched prototype ... # [ 58.421603] 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 / #