[Enter `^Ec?' for help] coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 bootblock starting... CPU: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz CPU: ID 806e9, Kabylake H0, ucode: 00000097 CPU: AES supported, TXT NOT supported, VT supported MCH: device id 590c (rev 02) is Kabylake-Y PCH: device id 9d4b (rev 21) is Kabylake-Y iHDCP 2.2 Premium IGD: device id 591c (rev 02) is Amberlake ULX GT2 VBOOT: Loading verstage. CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/verstage' CBFS: Found @ offset 1a0a80 size f47c coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 verstage starting... Probing TPM: . done! TPM ready after 0 ms Connected to device vid:did:rid of 1ae0:0028:00 Firmware version: B2-C:0 RO_B:0.0.11/4d655eab RW_B:0.5.5/cr50_v1.9308_87_mp.479-d7921eab Initialized TPM device CR50 revision 0 tlcl_send_startup: Startup return code is 0 TPM: setup succeeded src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x1007 return code 0 Chrome EC: UHEPI supported Phase 1 FMAP: Found "FLASH" version 1.1 at c10000. FMAP: base = ff000000 size = 1000000 #areas = 33 FMAP: area GBB found @ c11000 (978944 bytes) VB2:vb2_check_recovery() Recovery reason from previous boot: 0x0 / 0x0 Phase 2 Phase 3 FMAP: area GBB found @ c11000 (978944 bytes) VB2:vb2_report_dev_firmware() This is developer signed firmware FMAP: area VBLOCK_B found @ 5e8000 (65536 bytes) FMAP: area VBLOCK_B found @ 5e8000 (65536 bytes) VB2:vb2_verify_keyblock() Checking key block signature... FMAP: area VBLOCK_B found @ 5e8000 (65536 bytes) FMAP: area VBLOCK_B found @ 5e8000 (65536 bytes) VB2:vb2_verify_fw_preamble() Verifying preamble. Phase 4 FMAP: area FW_MAIN_B found @ 5f8000 (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_B:0.5.5/cr50_v1.9308_87_mp.479-d7921eab Initialized TPM device CR50 revision 0 tlcl_send_startup: Startup return code is 0 TPM: setup succeeded src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x1007 return code 0 Chrome EC: UHEPI supported Phase 1 FMAP: Found "FLASH" version 1.1 at c10000. FMAP: base = ff000000 size = 1000000 #areas = 33 FMAP: area GBB found @ c11000 (978944 bytes) VB2:vb2_check_recovery() Recovery reason from previous boot: 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 45865 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fspm.bin' CBFS: Found @ offset 103fc0 size 63000 Chrome EC: UHEPI supported FMAP: Found "FLASH" version 1.1 at c10000. FMAP: base = ff000000 size = 1000000 #areas = 33 FMAP: area RECOVERY_MRC_CACHE found @ 9d0000 (65536 bytes) Probing TPM: done! Connected to device vid:did:rid of 1ae0:0028:00 Firmware version: B2-C:0 RO_B:0.0.11/4d655eab RW_B:0.5.5/cr50_v1.9308_87_mp.479-d7921eab Initialized TPM device CR50 revision 0 src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x100b return code 0 MRC: Hash comparison successful. Using data from RECOVERY_MRC_CACHE MRC cache found, size 1868 bootmode is set to :2 SPD index 1 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'spd.bin' CBFS: Found @ offset 1a0240 size 800 SPD: module type is LPDDR3 SPD: module part is K4E8E324EB-EGCF SPD: banks 8, ranks 1, rows 15, columns 10, density 8192 Mb SPD: device width 32 bits, bus width 64 bits SPD: module size is 2048 MB (per channel) CBMEM: IMD: root @ 7afff000 254 entries. IMD: root @ 7affec00 62 entries. External stage cache: IMD: root @ 7b3ff000 254 entries. IMD: root @ 7b3fec00 62 entries. creating vboot_handoff structure Chrome EC: clear events_b mask to 0x0000000021004000 src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x100b return code 0 tlcl_write: response is 0 src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x100b return code 0 MRC: TPM MRC hash updated successfully. 2 DIMMs found top_of_ram = 0x7b000000 MTRR Range: Start=7a000000 End=7b000000 (Size 1000000) MTRR Range: Start=7b000000 End=7b800000 (Size 800000) MTRR Range: Start=ff000000 End=0 (Size 1000000) CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/postcar' CBFS: Found @ offset 197000 size 3f04 Decompressing stage fallback/postcar @ 0x7abd0fc0 (32720 bytes) Loading module at 7abd1000 with entry 7abd1000. filesize: 0x3cd0 memsize: 0x7f90 Processing 118 relocs. Offset value of 0x78bd1000 coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 postcar starting... CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/ramstage' CBFS: Found @ offset e8d80 size 1a462 Decompressing stage fallback/ramstage @ 0x7ab05fc0 (826808 bytes) Loading module at 7ab06000 with entry 7ab06000. filesize: 0x38d90 memsize: 0xc9d78 Processing 3657 relocs. Offset value of 0x79d06000 coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 ramstage starting... FMAP: Found "FLASH" version 1.1 at c10000. FMAP: base = ff000000 size = 1000000 #areas = 33 FMAP: area RO_VPD found @ c00000 (16384 bytes) WARNING: RO_VPD is uninitialized or empty. FMAP: area RW_VPD found @ 9f8000 (8192 bytes) FMAP: area RW_VPD found @ 9f8000 (8192 bytes) Normal boot. BS: BS_PRE_DEVICE times (us): entry 0 run 30 exit 0 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'cpu_microcode_blob.bin' CBFS: Found @ offset 11100 size d7c00 microcode: sig=0x806e9 pf=0x10 revision=0x97 Skip microcode update CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fsps.bin' CBFS: Found @ offset 167fc0 size 2f000 Detected 2 core, 4 thread CPU. Setting up SMI for CPU IED base = 0x7b400000 IED size = 0x00400000 Will perform SMM setup. CPU: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz. Loading module at 00030000 with entry 00030000. filesize: 0x170 memsize: 0x170 Processing 16 relocs. Offset value of 0x00030000 Attempting to start 3 APs Waiting for 10ms after sending INIT. Waiting for 1st SIPI to complete...done. AP: slot 3 apic_id 2. AP: slot 2 apic_id 3. 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 #2 Initializing CPU #3 CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 Setting up local APIC...CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 apic_id: 0x03 done. Setting up local APIC...Setting up local APIC... apic_id: 0x02 done. Skip microcode update Skip microcode update CPU #2 initialized CPU #3 initialized apic_id: 0x01 done. Skip microcode update CPU #1 initialized bsp_do_flight_plan done after 229 msecs. CPU: frequency set to 3400 MHz Enabling SMIs. Locking SMM. VMX : param.enable = 1 VMX status: enabled, unlocked SGX: pre-conditions not met VMX status: enabled, unlocked SGX: pre-conditions not met VMX status: enabled, unlocked VMX status: enabled, unlocked SGX: pre-conditions not met SGX: pre-conditions not met CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'vbt.bin' CBFS: Found @ offset 103a00 size 48e Found a VBT of 4608 bytes after decompression psys_pmax = 360 FMAP: area GBB found @ c11000 (978944 bytes) ITSS IRQ Polarities Before: IPC0: 0x00ff4000 IPC1: 0x00000007 IPC2: 0x00000000 IPC3: 0x00000000 ITSS IRQ Polarities After: IPC0: 0x00ff4000 IPC1: 0x00000007 IPC2: 0x00000000 IPC3: 0x00000000 Override DT after FSP-S, PCH is KBL/SKL PCH-LP SKU BS: BS_DEV_INIT_CHIPS times (us): entry 376191 run 167701 exit 0 Enumerating buses... Show all devs... Before device enumeration. Root Device: enabled 1 CPU_CLUSTER: 0: enabled 1 DOMAIN: 0000: enabled 1 APIC: 00: enabled 1 PCI: 00:00.0: enabled 1 PCI: 00:02.0: enabled 1 PCI: 00:14.0: enabled 1 PCI: 00:14.1: enabled 0 PCI: 00:14.2: enabled 1 PCI: 00:15.0: enabled 1 PCI: 00:15.1: enabled 1 PCI: 00:15.2: enabled 0 PCI: 00:15.3: enabled 0 PCI: 00:16.0: enabled 1 PCI: 00:16.1: enabled 0 PCI: 00:16.2: enabled 0 PCI: 00:16.3: enabled 0 PCI: 00:16.4: enabled 0 PCI: 00:17.0: enabled 0 PCI: 00:19.0: enabled 1 PCI: 00:19.1: enabled 1 PCI: 00:19.2: enabled 0 PCI: 00:1c.0: enabled 1 PCI: 00:1c.1: enabled 0 PCI: 00:1c.2: enabled 0 PCI: 00:1c.3: enabled 0 PCI: 00:1c.4: enabled 0 PCI: 00:1c.5: enabled 0 PCI: 00:1c.6: enabled 0 PCI: 00:1c.7: enabled 0 PCI: 00:1d.0: enabled 0 PCI: 00:1d.1: enabled 0 PCI: 00:1d.2: enabled 0 PCI: 00:1d.3: enabled 0 PCI: 00:1e.0: enabled 1 PCI: 00:1e.1: enabled 0 PCI: 00:1e.2: enabled 1 PCI: 00:1e.3: enabled 0 PCI: 00:1e.4: enabled 1 PCI: 00:1e.5: enabled 0 PCI: 00:1e.6: enabled 1 PCI: 00:1f.0: enabled 1 PCI: 00:1f.1: enabled 1 PCI: 00:1f.2: enabled 1 PCI: 00:1f.3: enabled 1 PCI: 00:1f.4: enabled 1 PCI: 00:1f.5: enabled 1 PCI: 00:1f.6: enabled 0 USB0 port 0: enabled 1 I2C: 00:5c: enabled 1 I2C: 00:15: enabled 1 I2C: 00:39: enabled 1 I2C: 00:3a: enabled 1 I2C: 00:1a: enabled 1 PCI: 00:00.0: enabled 1 SPI: 00: enabled 1 PNP: 0c09.0: enabled 1 USB2 port 0: enabled 1 USB2 port 1: enabled 1 USB2 port 2: enabled 1 USB2 port 4: enabled 1 USB2 port 8: enabled 1 APIC: 01: enabled 1 APIC: 03: enabled 1 APIC: 02: enabled 1 Compare with tree... Root Device: enabled 1 CPU_CLUSTER: 0: enabled 1 APIC: 00: enabled 1 APIC: 01: enabled 1 APIC: 03: enabled 1 APIC: 02: enabled 1 DOMAIN: 0000: enabled 1 PCI: 00:00.0: enabled 1 PCI: 00:02.0: enabled 1 PCI: 00:14.0: enabled 1 USB0 port 0: enabled 1 USB2 port 0: enabled 1 USB2 port 1: enabled 1 USB2 port 2: enabled 1 USB2 port 4: enabled 1 USB2 port 8: enabled 1 PCI: 00:14.1: enabled 0 PCI: 00:14.2: enabled 1 PCI: 00:15.0: enabled 1 I2C: 00:5c: enabled 1 PCI: 00:15.1: enabled 1 I2C: 00:15: enabled 1 PCI: 00:15.2: enabled 0 PCI: 00:15.3: enabled 0 PCI: 00:16.0: enabled 1 PCI: 00:16.1: enabled 0 PCI: 00:16.2: enabled 0 PCI: 00:16.3: enabled 0 PCI: 00:16.4: enabled 0 PCI: 00:17.0: enabled 0 PCI: 00:19.0: enabled 1 PCI: 00:19.1: enabled 1 I2C: 00:39: enabled 1 I2C: 00:3a: enabled 1 I2C: 00:1a: enabled 1 PCI: 00:19.2: enabled 0 PCI: 00:1c.0: enabled 1 PCI: 00:00.0: enabled 1 PCI: 00:1c.1: enabled 0 PCI: 00:1c.2: enabled 0 PCI: 00:1c.3: enabled 0 PCI: 00:1c.4: enabled 0 PCI: 00:1c.5: enabled 0 PCI: 00:1c.6: enabled 0 PCI: 00:1c.7: enabled 0 PCI: 00:1d.0: enabled 0 PCI: 00:1d.1: enabled 0 PCI: 00:1d.2: enabled 0 PCI: 00:1d.3: enabled 0 PCI: 00:1e.0: enabled 1 PCI: 00:1e.1: enabled 0 PCI: 00:1e.2: enabled 1 SPI: 00: enabled 1 PCI: 00:1e.3: enabled 0 PCI: 00:1e.4: enabled 1 PCI: 00:1e.5: enabled 0 PCI: 00:1e.6: enabled 1 PCI: 00:1f.0: enabled 1 PNP: 0c09.0: enabled 1 PCI: 00:1f.1: enabled 1 PCI: 00:1f.2: enabled 1 PCI: 00:1f.3: enabled 1 PCI: 00:1f.4: enabled 1 PCI: 00:1f.5: enabled 1 PCI: 00:1f.6: enabled 0 Root Device scanning... root_dev_scan_bus for Root Device CPU_CLUSTER: 0 enabled DOMAIN: 0000 enabled DOMAIN: 0000 scanning... PCI: pci_scan_bus for bus 00 PCI: 00:00.0 [8086/0000] ops PCI: 00:00.0 [8086/590c] enabled PCI: 00:02.0 [8086/0000] ops PCI: 00:02.0 [8086/591c] enabled PCI: 00:04.0 [8086/1903] enabled PCI: 00:08.0 [8086/1911] enabled PCI: 00:14.0 [8086/0000] bus ops PCI: 00:14.0 [8086/9d2f] enabled PCI: 00:14.2 [8086/9d31] enabled PCI: 00:15.0 [8086/0000] bus ops PCI: 00:15.0 [8086/9d60] enabled PCI: 00:15.1 [8086/0000] bus ops PCI: 00:15.1 [8086/9d61] enabled PCI: 00:16.0 [8086/0000] ops PCI: 00:16.0 [8086/9d3a] enabled PCI: 00:19.0 [8086/0000] ops PCI: 00:19.0 [8086/9d66] enabled PCI: 00:19.1 [8086/0000] bus ops PCI: 00:19.1 [8086/9d65] enabled PCI: 00:1c.0 [8086/0000] bus ops PCI: 00:1c.0 [8086/9d10] enabled PCI: 00:1e.0 [8086/0000] ops PCI: 00:1e.0 [8086/9d27] enabled PCI: 00:1e.2 [8086/0000] bus ops PCI: 00:1e.2 [8086/9d29] enabled PCI: 00:1e.4 [8086/9d2b] enabled PCI: 00:1e.6 [8086/0000] ops PCI: 00:1e.6 [8086/9d2d] enabled PCI: 00:1f.0 [8086/0000] bus ops PCI: 00:1f.0 [8086/9d4b] enabled PCI: Static device PCI: 00:1f.1 not found, disabling it. PCI: 00:1f.2 [8086/0000] bus ops PCI: 00:1f.2 [8086/9d21] enabled PCI: 00:1f.3 [8086/0000] bus ops PCI: 00:1f.3 [8086/9d71] enabled PCI: 00:1f.4 [8086/0000] bus ops PCI: 00:1f.4 [8086/9d23] enabled PCI: 00:1f.5 [8086/0000] bus ops PCI: 00:1f.5 [8086/9d24] enabled PCI: 00:14.0 scanning... scan_usb_bus for PCI: 00:14.0 USB0 port 0 enabled USB0 port 0 scanning... scan_usb_bus for USB0 port 0 USB2 port 0 enabled USB2 port 1 enabled USB2 port 2 enabled USB2 port 4 enabled USB2 port 8 enabled USB2 port 0 scanning... scan_usb_bus for USB2 port 0 scan_usb_bus for USB2 port 0 done scan_bus: scanning of bus USB2 port 0 took 8976 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 8965 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 8974 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 8965 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 8970 usecs scan_usb_bus for USB0 port 0 done scan_bus: scanning of bus USB0 port 0 took 90953 usecs scan_usb_bus for PCI: 00:14.0 done scan_bus: scanning of bus PCI: 00:14.0 took 107735 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 14155 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 14155 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 22374 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 53528 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 13863 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 11315 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 10048 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 10038 usecs scan_bus: scanning of bus DOMAIN: 0000 took 466060 usecs root_dev_scan_bus for Root Device done scan_bus: scanning of bus Root Device took 486172 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=1 MRC: NOT enabling PRR for 'UNIFIED_MRC_CACHE'. BS: BS_DEV_ENUMERATE times (us): entry 0 run 825965 exit 39233 found VGA at PCI: 00:02.0 Setting up VGA for PCI: 00:02.0 Setting PCI_BRIDGE_CTL_VGA for bridge DOMAIN: 0000 Setting PCI_BRIDGE_CTL_VGA for bridge Root Device Allocating resources... Reading resources... Root Device read_resources bus 0 link: 0 CPU_CLUSTER: 0 read_resources bus 0 link: 0 CPU_CLUSTER: 0 read_resources bus 0 link: 0 done DOMAIN: 0000 read_resources bus 0 link: 0 PCI: 00:14.0 read_resources bus 0 link: 0 USB0 port 0 read_resources bus 0 link: 0 USB0 port 0 read_resources bus 0 link: 0 done PCI: 00:14.0 read_resources bus 0 link: 0 done PCI: 00:15.0 read_resources bus 1 link: 0 PCI: 00:15.0 read_resources bus 1 link: 0 done PCI: 00:15.1 read_resources bus 2 link: 0 PCI: 00:15.1 read_resources bus 2 link: 0 done PCI: 00:19.1 read_resources bus 3 link: 0 PCI: 00:19.1 read_resources bus 3 link: 0 done PCI: 00:1c.0 read_resources bus 1 link: 0 PCI: 00:1c.0 read_resources bus 1 link: 0 done PCI: 00:1e.2 read_resources bus 4 link: 0 PCI: 00:1e.2 read_resources bus 4 link: 0 done PCI: 00:1f.0 read_resources bus 0 link: 0 PCI: 00:1f.0 read_resources bus 0 link: 0 done DOMAIN: 0000 read_resources bus 0 link: 0 done Root Device read_resources bus 0 link: 0 done Done reading resources. Show resources in subtree (Root Device)...After reading. Root Device child on link 0 CPU_CLUSTER: 0 CPU_CLUSTER: 0 child on link 0 APIC: 00 APIC: 00 APIC: 01 APIC: 03 APIC: 02 DOMAIN: 0000 child on link 0 PCI: 00:00.0 DOMAIN: 0000 resource base 0 size 0 align 0 gran 0 limit ffff flags 40040100 index 10000000 DOMAIN: 0000 resource base 0 size 0 align 0 gran 0 limit ffffffff flags 40040200 index 10000100 PCI: 00:00.0 PCI: 00:00.0 resource base e0000000 size 4000000 align 0 gran 0 limit 0 flags f0000200 index 0 PCI: 00:00.0 resource base fed10000 size 8000 align 0 gran 0 limit 0 flags f0000200 index 1 PCI: 00:00.0 resource base fed18000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 2 PCI: 00:00.0 resource base fed19000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 3 PCI: 00:00.0 resource base fed84000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 4 PCI: 00:00.0 resource base fed80000 size 4000 align 0 gran 0 limit 0 flags f0000200 index 5 PCI: 00:00.0 resource base fed90000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 6 PCI: 00:00.0 resource base fed91000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 7 PCI: 00:00.0 resource base 0 size a0000 align 0 gran 0 limit 0 flags e0004200 index 8 PCI: 00:00.0 resource base c0000 size 7af40000 align 0 gran 0 limit 0 flags e0004200 index 9 PCI: 00:00.0 resource base 7b000000 size 800000 align 0 gran 0 limit 0 flags f0004200 index b PCI: 00:00.0 resource base 7b800000 size 4800000 align 0 gran 0 limit 0 flags f0000200 index c PCI: 00:00.0 resource base 100000000 size 7f000000 align 0 gran 0 limit 0 flags e0004200 index d PCI: 00:00.0 resource base a0000 size 20000 align 0 gran 0 limit 0 flags f0000200 index e PCI: 00:00.0 resource base c0000 size 40000 align 0 gran 0 limit 0 flags f0004200 index f PCI: 00:02.0 PCI: 00:02.0 resource base 0 size 1000000 align 24 gran 24 limit ffffffffffffffff flags 201 index 10 PCI: 00:02.0 resource base 0 size 10000000 align 28 gran 28 limit ffffffffffffffff flags 1201 index 18 PCI: 00:02.0 resource base 0 size 40 align 6 gran 6 limit ffff flags 100 index 20 PCI: 00:04.0 PCI: 00:04.0 resource base 0 size 8000 align 15 gran 15 limit ffffffffffffffff flags 201 index 10 PCI: 00:08.0 PCI: 00:08.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:14.0 child on link 0 USB0 port 0 PCI: 00:14.0 resource base 0 size 10000 align 16 gran 16 limit ffffffffffffffff flags 201 index 10 USB0 port 0 child on link 0 USB2 port 0 USB2 port 0 USB2 port 1 USB2 port 2 USB2 port 4 USB2 port 8 PCI: 00:14.1 PCI: 00:14.2 PCI: 00:14.2 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:15.0 child on link 0 I2C: 01:5c PCI: 00:15.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 I2C: 01:5c PCI: 00:15.1 child on link 0 I2C: 02:15 PCI: 00:15.1 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 I2C: 02:15 PCI: 00:15.2 PCI: 00:15.3 PCI: 00:16.0 PCI: 00:16.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:16.1 PCI: 00:16.2 PCI: 00:16.3 PCI: 00:16.4 PCI: 00:17.0 PCI: 00:19.0 PCI: 00:19.0 resource base fe034000 size 1000 align 12 gran 12 limit ffffffffffffffff flags c0000200 index 10 PCI: 00:19.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 18 PCI: 00:19.1 child on link 0 I2C: 03:39 PCI: 00:19.1 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 I2C: 03:39 I2C: 03:3a I2C: 03:1a PCI: 00:19.2 PCI: 00:1c.0 child on link 0 PCI: 01:00.0 PCI: 00:1c.0 resource base 0 size 0 align 12 gran 12 limit ffff flags 80102 index 1c PCI: 00:1c.0 resource base 0 size 0 align 20 gran 20 limit ffffffffffffffff flags 81202 index 24 PCI: 00:1c.0 resource base 0 size 0 align 20 gran 20 limit ffffffff flags 80202 index 20 PCI: 01:00.0 PCI: 01:00.0 resource base 0 size 2000 align 13 gran 13 limit ffffffffffffffff flags 201 index 10 PCI: 00:1c.1 PCI: 00:1c.2 PCI: 00:1c.3 PCI: 00:1c.4 PCI: 00:1c.5 PCI: 00:1c.6 PCI: 00:1c.7 PCI: 00:1d.0 PCI: 00:1d.1 PCI: 00:1d.2 PCI: 00:1d.3 PCI: 00:1e.0 PCI: 00:1e.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:1e.1 PCI: 00:1e.2 child on link 0 SPI: 00 PCI: 00:1e.2 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 SPI: 00 PCI: 00:1e.3 PCI: 00:1e.4 PCI: 00:1e.4 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:1e.5 PCI: 00:1e.6 PCI: 00:1e.6 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:1f.0 child on link 0 PNP: 0c09.0 PCI: 00:1f.0 resource base 0 size 1000 align 0 gran 0 limit 0 flags c0000100 index 0 PNP: 0c09.0 PNP: 0c09.0 resource base 800 size 1ff align 0 gran 0 limit 0 flags c0000100 index 0 PCI: 00:1f.1 PCI: 00:1f.2 PCI: 00:1f.2 resource base 0 size 4000 align 14 gran 14 limit ffffffff flags 200 index 10 PCI: 00:1f.2 resource base fe000000 size 10000 align 0 gran 0 limit 0 flags d0000200 index 48 PCI: 00:1f.2 resource base 1800 size 100 align 0 gran 0 limit 0 flags c0000100 index 40 PCI: 00:1f.3 PCI: 00:1f.3 resource base 0 size 4000 align 14 gran 14 limit ffffffffffffffff flags 201 index 10 PCI: 00:1f.3 resource base 0 size 10000 align 16 gran 16 limit ffffffffffffffff flags 201 index 20 PCI: 00:1f.4 PCI: 00:1f.4 resource base efa0 size 20 align 0 gran 0 limit efbf flags f0000100 index 20 PCI: 00:1f.4 resource base 0 size 100 align 12 gran 8 limit ffffffffffffffff flags 201 index 10 PCI: 00:1f.5 PCI: 00:1f.5 resource base 0 size 1000 align 12 gran 12 limit ffffffff flags 200 index 10 PCI: 00:1f.6 DOMAIN: 0000 io: base: 0 size: 0 align: 0 gran: 0 limit: ffff PCI: 00:1c.0 io: base: 0 size: 0 align: 12 gran: 12 limit: ffff PCI: 00:1c.0 io: base: 0 size: 0 align: 12 gran: 12 limit: ffff done PCI: 00:02.0 20 * [0x0 - 0x3f] io DOMAIN: 0000 io: base: 40 size: 40 align: 6 gran: 0 limit: ffff done DOMAIN: 0000 mem: base: 0 size: 0 align: 0 gran: 0 limit: ffffffff PCI: 00:1c.0 prefmem: base: 0 size: 0 align: 20 gran: 20 limit: ffffffffffffffff PCI: 00:1c.0 prefmem: base: 0 size: 0 align: 20 gran: 20 limit: ffffffffffffffff done PCI: 00:1c.0 mem: base: 0 size: 0 align: 20 gran: 20 limit: ffffffff PCI: 01:00.0 10 * [0x0 - 0x1fff] mem PCI: 00:1c.0 mem: base: 2000 size: 100000 align: 20 gran: 20 limit: ffffffff done PCI: 00:02.0 18 * [0x0 - 0xfffffff] prefmem PCI: 00:02.0 10 * [0x10000000 - 0x10ffffff] mem PCI: 00:1c.0 20 * [0x11000000 - 0x110fffff] mem PCI: 00:14.0 10 * [0x11100000 - 0x1110ffff] mem PCI: 00:1f.3 20 * [0x11110000 - 0x1111ffff] mem PCI: 00:04.0 10 * [0x11120000 - 0x11127fff] mem PCI: 00:1f.2 10 * [0x11128000 - 0x1112bfff] mem PCI: 00:1f.3 10 * [0x1112c000 - 0x1112ffff] mem PCI: 00:08.0 10 * [0x11130000 - 0x11130fff] mem PCI: 00:14.2 10 * [0x11131000 - 0x11131fff] mem PCI: 00:15.0 10 * [0x11132000 - 0x11132fff] mem PCI: 00:15.1 10 * [0x11133000 - 0x11133fff] mem PCI: 00:16.0 10 * [0x11134000 - 0x11134fff] mem PCI: 00:19.0 18 * [0x11135000 - 0x11135fff] mem PCI: 00:19.1 10 * [0x11136000 - 0x11136fff] mem PCI: 00:1e.0 10 * [0x11137000 - 0x11137fff] mem PCI: 00:1e.2 10 * [0x11138000 - 0x11138fff] mem PCI: 00:1e.4 10 * [0x11139000 - 0x11139fff] mem PCI: 00:1e.6 10 * [0x1113a000 - 0x1113afff] mem PCI: 00:1f.5 10 * [0x1113b000 - 0x1113bfff] mem PCI: 00:1f.4 10 * [0x1113c000 - 0x1113c0ff] mem DOMAIN: 0000 mem: base: 1113c100 size: 1113c100 align: 28 gran: 0 limit: ffffffff done avoid_fixed_resources: DOMAIN: 0000 avoid_fixed_resources:@DOMAIN: 0000 10000000 limit 0000ffff avoid_fixed_resources:@DOMAIN: 0000 10000100 limit ffffffff constrain_resources: PCI: 00:00.0 00 base e0000000 limit e3ffffff mem (fixed) constrain_resources: PCI: 00:00.0 08 base 00000000 limit 0009ffff mem (fixed) constrain_resources: PCI: 00:00.0 09 base 000c0000 limit 7affffff mem (fixed) constrain_resources: PCI: 00:00.0 0b base 7b000000 limit 7b7fffff mem (fixed) constrain_resources: PCI: 00:00.0 0c base 7b800000 limit 7fffffff mem (fixed) constrain_resources: PCI: 00:1f.0 00 base 00000000 limit 00000fff io (fixed) constrain_resources: PCI: 00:1f.2 40 base 00001800 limit 000018ff io (fixed) constrain_resources: PCI: 00:1f.4 20 base 0000efa0 limit 0000efbf io (fixed) avoid_fixed_resources:@DOMAIN: 0000 10000000 base 00001900 limit 0000ef9f avoid_fixed_resources:@DOMAIN: 0000 10000100 base c0000000 limit dfffffff Setting resources... DOMAIN: 0000 io: base:1900 size:40 align:6 gran:0 limit:ef9f PCI: 00:02.0 20 * [0x1c00 - 0x1c3f] io DOMAIN: 0000 io: next_base: 1c40 size: 40 align: 6 gran: 0 done PCI: 00:1c.0 io: base:ef9f size:0 align:12 gran:12 limit:ef9f PCI: 00:1c.0 io: next_base: ef9f size: 0 align: 12 gran: 12 done DOMAIN: 0000 mem: base:c0000000 size:1113c100 align:28 gran:0 limit:dfffffff PCI: 00:02.0 18 * [0xc0000000 - 0xcfffffff] prefmem PCI: 00:02.0 10 * [0xd0000000 - 0xd0ffffff] mem PCI: 00:1c.0 20 * [0xd1000000 - 0xd10fffff] mem PCI: 00:14.0 10 * [0xd1100000 - 0xd110ffff] mem PCI: 00:1f.3 20 * [0xd1110000 - 0xd111ffff] mem PCI: 00:04.0 10 * [0xd1120000 - 0xd1127fff] mem PCI: 00:1f.2 10 * [0xd1128000 - 0xd112bfff] mem PCI: 00:1f.3 10 * [0xd112c000 - 0xd112ffff] mem PCI: 00:08.0 10 * [0xd1130000 - 0xd1130fff] mem PCI: 00:14.2 10 * [0xd1131000 - 0xd1131fff] mem PCI: 00:15.0 10 * [0xd1132000 - 0xd1132fff] mem PCI: 00:15.1 10 * [0xd1133000 - 0xd1133fff] mem PCI: 00:16.0 10 * [0xd1134000 - 0xd1134fff] mem PCI: 00:19.0 18 * [0xd1135000 - 0xd1135fff] mem PCI: 00:19.1 10 * [0xd1136000 - 0xd1136fff] mem PCI: 00:1e.0 10 * [0xd1137000 - 0xd1137fff] mem PCI: 00:1e.2 10 * [0xd1138000 - 0xd1138fff] mem PCI: 00:1e.4 10 * [0xd1139000 - 0xd1139fff] mem PCI: 00:1e.6 10 * [0xd113a000 - 0xd113afff] mem PCI: 00:1f.5 10 * [0xd113b000 - 0xd113bfff] mem PCI: 00:1f.4 10 * [0xd113c000 - 0xd113c0ff] mem DOMAIN: 0000 mem: next_base: d113c100 size: 1113c100 align: 28 gran: 0 done PCI: 00:1c.0 prefmem: base:dfffffff size:0 align:20 gran:20 limit:dfffffff PCI: 00:1c.0 prefmem: next_base: dfffffff size: 0 align: 20 gran: 20 done PCI: 00:1c.0 mem: base:d1000000 size:100000 align:20 gran:20 limit:d10fffff PCI: 01:00.0 10 * [0xd1000000 - 0xd1001fff] mem PCI: 00:1c.0 mem: next_base: d1002000 size: 100000 align: 20 gran: 20 done Root Device assign_resources, bus 0 link: 0 DOMAIN: 0000 assign_resources, bus 0 link: 0 PCI: 00:02.0 10 <- [0x00d0000000 - 0x00d0ffffff] size 0x01000000 gran 0x18 mem64 PCI: 00:02.0 18 <- [0x00c0000000 - 0x00cfffffff] size 0x10000000 gran 0x1c prefmem64 PCI: 00:02.0 20 <- [0x0000001c00 - 0x0000001c3f] size 0x00000040 gran 0x06 io PCI: 00:04.0 10 <- [0x00d1120000 - 0x00d1127fff] size 0x00008000 gran 0x0f mem64 PCI: 00:08.0 10 <- [0x00d1130000 - 0x00d1130fff] size 0x00001000 gran 0x0c mem64 PCI: 00:14.0 10 <- [0x00d1100000 - 0x00d110ffff] size 0x00010000 gran 0x10 mem64 PCI: 00:14.0 assign_resources, bus 0 link: 0 PCI: 00:14.0 assign_resources, bus 0 link: 0 PCI: 00:14.2 10 <- [0x00d1131000 - 0x00d1131fff] size 0x00001000 gran 0x0c mem64 PCI: 00:15.0 10 <- [0x00d1132000 - 0x00d1132fff] size 0x00001000 gran 0x0c mem64 PCI: 00:15.0 assign_resources, bus 1 link: 0 PCI: 00:15.0 assign_resources, bus 1 link: 0 PCI: 00:15.1 10 <- [0x00d1133000 - 0x00d1133fff] size 0x00001000 gran 0x0c mem64 PCI: 00:15.1 assign_resources, bus 2 link: 0 PCI: 00:15.1 assign_resources, bus 2 link: 0 PCI: 00:16.0 10 <- [0x00d1134000 - 0x00d1134fff] size 0x00001000 gran 0x0c mem64 PCI: 00:19.0 18 <- [0x00d1135000 - 0x00d1135fff] size 0x00001000 gran 0x0c mem64 PCI: 00:19.1 10 <- [0x00d1136000 - 0x00d1136fff] size 0x00001000 gran 0x0c mem64 PCI: 00:19.1 assign_resources, bus 3 link: 0 PCI: 00:19.1 assign_resources, bus 3 link: 0 PCI: 00:1c.0 1c <- [0x000000ef9f - 0x000000ef9e] size 0x00000000 gran 0x0c bus 01 io PCI: 00:1c.0 24 <- [0x00dfffffff - 0x00dffffffe] size 0x00000000 gran 0x14 bus 01 prefmem PCI: 00:1c.0 20 <- [0x00d1000000 - 0x00d10fffff] size 0x00100000 gran 0x14 bus 01 mem PCI: 00:1c.0 assign_resources, bus 1 link: 0 PCI: 01:00.0 10 <- [0x00d1000000 - 0x00d1001fff] size 0x00002000 gran 0x0d mem64 PCI: 00:1c.0 assign_resources, bus 1 link: 0 PCI: 00:1e.0 10 <- [0x00d1137000 - 0x00d1137fff] size 0x00001000 gran 0x0c mem64 PCI: 00:1e.2 10 <- [0x00d1138000 - 0x00d1138fff] size 0x00001000 gran 0x0c mem64 PCI: 00:1e.2 assign_resources, bus 4 link: 0 PCI: 00:1e.2 assign_resources, bus 4 link: 0 PCI: 00:1e.4 10 <- [0x00d1139000 - 0x00d1139fff] size 0x00001000 gran 0x0c mem64 PCI: 00:1e.6 10 <- [0x00d113a000 - 0x00d113afff] size 0x00001000 gran 0x0c mem64 PCI: 00:1f.0 assign_resources, bus 0 link: 0 PCI: 00:1f.0 assign_resources, bus 0 link: 0 LPC: Trying to open IO window from 800 size 1ff PCI: 00:1f.2 10 <- [0x00d1128000 - 0x00d112bfff] size 0x00004000 gran 0x0e mem PCI: 00:1f.3 10 <- [0x00d112c000 - 0x00d112ffff] size 0x00004000 gran 0x0e mem64 PCI: 00:1f.3 20 <- [0x00d1110000 - 0x00d111ffff] size 0x00010000 gran 0x10 mem64 PCI: 00:1f.4 10 <- [0x00d113c000 - 0x00d113c0ff] size 0x00000100 gran 0x08 mem64 PCI: 00:1f.5 10 <- [0x00d113b000 - 0x00d113bfff] size 0x00001000 gran 0x0c mem DOMAIN: 0000 assign_resources, bus 0 link: 0 Root Device assign_resources, bus 0 link: 0 Done setting resources. Show resources in subtree (Root Device)...After assigning values. Root Device child on link 0 CPU_CLUSTER: 0 CPU_CLUSTER: 0 child on link 0 APIC: 00 APIC: 00 APIC: 01 APIC: 03 APIC: 02 DOMAIN: 0000 child on link 0 PCI: 00:00.0 DOMAIN: 0000 resource base 1900 size 40 align 6 gran 0 limit ef9f flags 40040100 index 10000000 DOMAIN: 0000 resource base c0000000 size 1113c100 align 28 gran 0 limit dfffffff flags 40040200 index 10000100 PCI: 00:00.0 PCI: 00:00.0 resource base e0000000 size 4000000 align 0 gran 0 limit 0 flags f0000200 index 0 PCI: 00:00.0 resource base fed10000 size 8000 align 0 gran 0 limit 0 flags f0000200 index 1 PCI: 00:00.0 resource base fed18000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 2 PCI: 00:00.0 resource base fed19000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 3 PCI: 00:00.0 resource base fed84000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 4 PCI: 00:00.0 resource base fed80000 size 4000 align 0 gran 0 limit 0 flags f0000200 index 5 PCI: 00:00.0 resource base fed90000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 6 PCI: 00:00.0 resource base fed91000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 7 PCI: 00:00.0 resource base 0 size a0000 align 0 gran 0 limit 0 flags e0004200 index 8 PCI: 00:00.0 resource base c0000 size 7af40000 align 0 gran 0 limit 0 flags e0004200 index 9 PCI: 00:00.0 resource base 7b000000 size 800000 align 0 gran 0 limit 0 flags f0004200 index b PCI: 00:00.0 resource base 7b800000 size 4800000 align 0 gran 0 limit 0 flags f0000200 index c PCI: 00:00.0 resource base 100000000 size 7f000000 align 0 gran 0 limit 0 flags e0004200 index d PCI: 00:00.0 resource base a0000 size 20000 align 0 gran 0 limit 0 flags f0000200 index e PCI: 00:00.0 resource base c0000 size 40000 align 0 gran 0 limit 0 flags f0004200 index f PCI: 00:02.0 PCI: 00:02.0 resource base d0000000 size 1000000 align 24 gran 24 limit d0ffffff flags 60000201 index 10 PCI: 00:02.0 resource base c0000000 size 10000000 align 28 gran 28 limit cfffffff flags 60001201 index 18 PCI: 00:02.0 resource base 1c00 size 40 align 6 gran 6 limit 1c3f flags 60000100 index 20 PCI: 00:04.0 PCI: 00:04.0 resource base d1120000 size 8000 align 15 gran 15 limit d1127fff flags 60000201 index 10 PCI: 00:08.0 PCI: 00:08.0 resource base d1130000 size 1000 align 12 gran 12 limit d1130fff flags 60000201 index 10 PCI: 00:14.0 child on link 0 USB0 port 0 PCI: 00:14.0 resource base d1100000 size 10000 align 16 gran 16 limit d110ffff flags 60000201 index 10 USB0 port 0 child on link 0 USB2 port 0 USB2 port 0 USB2 port 1 USB2 port 2 USB2 port 4 USB2 port 8 PCI: 00:14.1 PCI: 00:14.2 PCI: 00:14.2 resource base d1131000 size 1000 align 12 gran 12 limit d1131fff flags 60000201 index 10 PCI: 00:15.0 child on link 0 I2C: 01:5c PCI: 00:15.0 resource base d1132000 size 1000 align 12 gran 12 limit d1132fff flags 60000201 index 10 I2C: 01:5c PCI: 00:15.1 child on link 0 I2C: 02:15 PCI: 00:15.1 resource base d1133000 size 1000 align 12 gran 12 limit d1133fff flags 60000201 index 10 I2C: 02:15 PCI: 00:15.2 PCI: 00:15.3 PCI: 00:16.0 PCI: 00:16.0 resource base d1134000 size 1000 align 12 gran 12 limit d1134fff flags 60000201 index 10 PCI: 00:16.1 PCI: 00:16.2 PCI: 00:16.3 PCI: 00:16.4 PCI: 00:17.0 PCI: 00:19.0 PCI: 00:19.0 resource base fe034000 size 1000 align 12 gran 12 limit ffffffffffffffff flags c0000200 index 10 PCI: 00:19.0 resource base d1135000 size 1000 align 12 gran 12 limit d1135fff flags 60000201 index 18 PCI: 00:19.1 child on link 0 I2C: 03:39 PCI: 00:19.1 resource base d1136000 size 1000 align 12 gran 12 limit d1136fff flags 60000201 index 10 I2C: 03:39 I2C: 03:3a I2C: 03:1a PCI: 00:19.2 PCI: 00:1c.0 child on link 0 PCI: 01:00.0 PCI: 00:1c.0 resource base ef9f size 0 align 12 gran 12 limit ef9f flags 60080102 index 1c PCI: 00:1c.0 resource base dfffffff size 0 align 20 gran 20 limit dfffffff flags 60081202 index 24 PCI: 00:1c.0 resource base d1000000 size 100000 align 20 gran 20 limit d10fffff flags 60080202 index 20 PCI: 01:00.0 PCI: 01:00.0 resource base d1000000 size 2000 align 13 gran 13 limit d1001fff flags 60000201 index 10 PCI: 00:1c.1 PCI: 00:1c.2 PCI: 00:1c.3 PCI: 00:1c.4 PCI: 00:1c.5 PCI: 00:1c.6 PCI: 00:1c.7 PCI: 00:1d.0 PCI: 00:1d.1 PCI: 00:1d.2 PCI: 00:1d.3 PCI: 00:1e.0 PCI: 00:1e.0 resource base d1137000 size 1000 align 12 gran 12 limit d1137fff flags 60000201 index 10 PCI: 00:1e.1 PCI: 00:1e.2 child on link 0 SPI: 00 PCI: 00:1e.2 resource base d1138000 size 1000 align 12 gran 12 limit d1138fff flags 60000201 index 10 SPI: 00 PCI: 00:1e.3 PCI: 00:1e.4 PCI: 00:1e.4 resource base d1139000 size 1000 align 12 gran 12 limit d1139fff flags 60000201 index 10 PCI: 00:1e.5 PCI: 00:1e.6 PCI: 00:1e.6 resource base d113a000 size 1000 align 12 gran 12 limit d113afff flags 60000201 index 10 PCI: 00:1f.0 child on link 0 PNP: 0c09.0 PCI: 00:1f.0 resource base 0 size 1000 align 0 gran 0 limit 0 flags c0000100 index 0 PNP: 0c09.0 PNP: 0c09.0 resource base 800 size 1ff align 0 gran 0 limit 0 flags c0000100 index 0 PCI: 00:1f.1 PCI: 00:1f.2 PCI: 00:1f.2 resource base d1128000 size 4000 align 14 gran 14 limit d112bfff flags 60000200 index 10 PCI: 00:1f.2 resource base fe000000 size 10000 align 0 gran 0 limit 0 flags d0000200 index 48 PCI: 00:1f.2 resource base 1800 size 100 align 0 gran 0 limit 0 flags c0000100 index 40 PCI: 00:1f.3 PCI: 00:1f.3 resource base d112c000 size 4000 align 14 gran 14 limit d112ffff flags 60000201 index 10 PCI: 00:1f.3 resource base d1110000 size 10000 align 16 gran 16 limit d111ffff flags 60000201 index 20 PCI: 00:1f.4 PCI: 00:1f.4 resource base efa0 size 20 align 0 gran 0 limit efbf flags f0000100 index 20 PCI: 00:1f.4 resource base d113c000 size 100 align 12 gran 8 limit d113c0ff flags 60000201 index 10 PCI: 00:1f.5 PCI: 00:1f.5 resource base d113b000 size 1000 align 12 gran 12 limit d113bfff flags 60000200 index 10 PCI: 00:1f.6 Done allocating resources. BS: BS_DEV_RESOURCES times (us): entry 0 run 2114234 exit 31 Enabling resources... PCI: 00:00.0 subsystem <- 8086/590c PCI: 00:00.0 cmd <- 06 PCI: 00:02.0 subsystem <- 8086/591c PCI: 00:02.0 cmd <- 03 PCI: 00:04.0 cmd <- 02 PCI: 00:08.0 cmd <- 06 PCI: 00:14.0 subsystem <- 8086/9d2f PCI: 00:14.0 cmd <- 02 PCI: 00:14.2 subsystem <- 8086/9d31 PCI: 00:14.2 cmd <- 02 PCI: 00:15.0 subsystem <- 8086/9d60 PCI: 00:15.0 cmd <- 06 PCI: 00:15.1 subsystem <- 8086/9d61 PCI: 00:15.1 cmd <- 06 PCI: 00:16.0 subsystem <- 8086/9d3a PCI: 00:16.0 cmd <- 02 PCI: 00:19.0 subsystem <- 8086/9d66 PCI: 00:19.0 cmd <- 06 PCI: 00:19.1 subsystem <- 8086/9d65 PCI: 00:19.1 cmd <- 06 PCI: 00:1c.0 bridge ctrl <- 0003 PCI: 00:1c.0 subsystem <- 8086/9d10 PCI: 00:1c.0 cmd <- 06 PCI: 00:1e.0 subsystem <- 8086/9d27 PCI: 00:1e.0 cmd <- 06 PCI: 00:1e.2 subsystem <- 8086/9d29 PCI: 00:1e.2 cmd <- 06 PCI: 00:1e.4 subsystem <- 8086/9d2b PCI: 00:1e.4 cmd <- 06 PCI: 00:1e.6 subsystem <- 8086/9d2d PCI: 00:1e.6 cmd <- 06 PCI: 00:1f.0 subsystem <- 8086/9d4b PCI: 00:1f.0 cmd <- 407 PCI: 00:1f.2 subsystem <- 8086/9d21 PCI: 00:1f.2 cmd <- 02 PCI: 00:1f.3 subsystem <- 8086/9d71 PCI: 00:1f.3 cmd <- 02 PCI: 00:1f.4 subsystem <- 8086/9d23 PCI: 00:1f.4 cmd <- 03 PCI: 00:1f.5 subsystem <- 8086/9d24 PCI: 00:1f.5 cmd <- 406 PCI: 01:00.0 subsystem <- 8086/095a PCI: 01:00.0 cmd <- 02 done. ME: Version : 11.8.50.3470 BS: BS_DEV_ENABLE times (us): entry 230 run 139304 exit 21653 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 30851 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 6987 usecs PCI: 00:02.0 init ... PCI: 00:02.0 init finished in 2250 usecs PCI: 00:04.0 init ... PCI: 00:04.0 init finished in 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 2248 usecs PCI: 00:14.2 init ... PCI: 00:14.2 init finished in 2239 usecs PCI: 00:15.0 init ... DW I2C bus 0 at 0xd1132000 (400 KHz) PCI: 00:15.0 init finished in 5967 usecs PCI: 00:15.1 init ... DW I2C bus 1 at 0xd1133000 (400 KHz) PCI: 00:15.1 init finished in 5968 usecs PCI: 00:16.0 init ... PCI: 00:16.0 init finished in 2248 usecs PCI: 00:19.1 init ... DW I2C bus 5 at 0xd1136000 (400 KHz) PCI: 00:19.1 init finished in 5968 usecs PCI: 00:1c.0 init ... Initializing PCH PCIe bridge. PCI: 00:1c.0 init finished in 5290 usecs PCI: 00:1e.4 init ... PCI: 00:1e.4 init finished in 2241 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 23481 usecs PCI: 00:1f.2 init ... RTC Init Set power on after power failure. Disabling ACPI via APMC: done. Disabling Deep S3 Disabling Deep S3 Enabling Deep S4 Enabling Deep S4 Enabling Deep S5 Enabling Deep S5 PCI: 00:1f.2 init finished in 23788 usecs PCI: 00:1f.4 init ... PCI: 00:1f.4 init finished in 2260 usecs PCI: 01:00.0 init ... PCI: 01:00.0 init finished in 2393 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 24473 usecs Devices initialized Show all devs... After init. Root Device: enabled 1 CPU_CLUSTER: 0: enabled 1 DOMAIN: 0000: enabled 1 APIC: 00: enabled 1 PCI: 00:00.0: enabled 1 PCI: 00:02.0: enabled 1 PCI: 00:14.0: enabled 1 PCI: 00:14.1: enabled 0 PCI: 00:14.2: enabled 1 PCI: 00:15.0: enabled 1 PCI: 00:15.1: enabled 1 PCI: 00:15.2: enabled 0 PCI: 00:15.3: enabled 0 PCI: 00:16.0: enabled 1 PCI: 00:16.1: enabled 0 PCI: 00:16.2: enabled 0 PCI: 00:16.3: enabled 0 PCI: 00:16.4: enabled 0 PCI: 00:17.0: enabled 0 PCI: 00:19.0: enabled 1 PCI: 00:19.1: enabled 1 PCI: 00:19.2: enabled 0 PCI: 00:1c.0: enabled 1 PCI: 00:1c.1: enabled 0 PCI: 00:1c.2: enabled 0 PCI: 00:1c.3: enabled 0 PCI: 00:1c.4: enabled 0 PCI: 00:1c.5: enabled 0 PCI: 00:1c.6: enabled 0 PCI: 00:1c.7: enabled 0 PCI: 00:1d.0: enabled 0 PCI: 00:1d.1: enabled 0 PCI: 00:1d.2: enabled 0 PCI: 00:1d.3: enabled 0 PCI: 00:1e.0: enabled 1 PCI: 00:1e.1: enabled 0 PCI: 00:1e.2: enabled 1 PCI: 00:1e.3: enabled 0 PCI: 00:1e.4: enabled 1 PCI: 00:1e.5: enabled 0 PCI: 00:1e.6: enabled 1 PCI: 00:1f.0: enabled 1 PCI: 00:1f.1: enabled 0 PCI: 00:1f.2: enabled 1 PCI: 00:1f.3: enabled 1 PCI: 00:1f.4: enabled 1 PCI: 00:1f.5: enabled 1 PCI: 00:1f.6: enabled 0 USB0 port 0: enabled 1 I2C: 01:5c: enabled 1 I2C: 02:15: enabled 1 I2C: 03:39: enabled 1 I2C: 03:3a: enabled 1 I2C: 03:1a: enabled 1 PCI: 01:00.0: enabled 1 SPI: 00: enabled 1 PNP: 0c09.0: enabled 1 USB2 port 0: enabled 1 USB2 port 1: enabled 1 USB2 port 2: enabled 1 USB2 port 4: enabled 1 USB2 port 8: enabled 1 APIC: 01: enabled 1 APIC: 03: enabled 1 APIC: 02: enabled 1 PCI: 00:04.0: enabled 1 PCI: 00:08.0: enabled 1 FMAP: area RW_ELOG found @ 9f0000 (16384 bytes) ELOG: NV offset 0x9f0000 size 0x4000 ELOG: area is 4096 bytes, full threshold 3842, shrink size 1024 ELOG: Event(17) added with size 13 at 2023-03-12 07:57:34 UTC POST: Unexpected post code in previous boot: 0x34 ELOG: Event(A3) added with size 11 at 2023-03-12 07:57:34 UTC ELOG: Event(A6) added with size 13 at 2023-03-12 07:57:34 UTC ELOG: Event(92) added with size 9 at 2023-03-12 07:57:34 UTC ELOG: Event(9A) added with size 9 at 2023-03-12 07:57:34 UTC ELOG: Event(AD) added with size 10 at 2023-03-12 07:57:34 UTC ELOG: Event(9F) added with size 14 at 2023-03-12 07:57:34 UTC BS: BS_DEV_INIT times (us): entry 0 run 417105 exit 66311 ELOG: Event(A1) added with size 10 at 2023-03-12 07:57:34 UTC elog_add_boot_reason: Logged recovery mode boot (Dev-switch on), reason: 0x1b ELOG: Event(A0) added with size 9 at 2023-03-12 07:57:34 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 25558 run 3960 exit 5207 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 d21a 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. 7affe920 00000047 COREBOOTFWD 8. 7affe8e0 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 537668 exit 146882 call enable_fixed_mtrr() CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CPU physical address size: 39 bits CBFS: Locating 'fallback/payload' MTRR: Fixed MSR 0x250 0x0606060606060606 MTRR: Fixed MSR 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 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() CBFS: Found @ offset 223040 size 360b4 call enable_fixed_mtrr() CPU physical address size: 39 bits CPU physical address size: 39 bits Checking segment from ROM address 0xfff23078 Checking segment from ROM address 0xfff23094 Loading segment from ROM address 0xfff23078 code (compression=0) New segment dstaddr 0x30104020 memsize 0x64d8b0 srcaddr 0xfff230b0 filesize 0x3607c Loading Segment: addr: 0x30104020 memsz: 0x000000000064d8b0 filesz: 0x000000000003607c it's not compressed! [ 0x30104020, 3013a09c, 0x307518d0) <- fff230b0 Clearing Segment: addr: 0x000000003013a09c memsz: 0x0000000000617834 Loading segment from ROM address 0xfff23094 Entry Point 0x30104020 Loaded segments Finalizing chipset. ME: Host Firmware Status Register 1 : 0x90000245 ME: Host Firmware Status Register 2 : 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 629 run 261903 exit 135696 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 9568396/tftp-deploy-idv8fnkn/kernel/bzImage 9568396/tftp-deploy-idv8fnkn/kernel/cmdline 9568396/tftp-deploy-idv8fnkn/ramdisk/ramdisk.cpio.gz tftpboot 192.168.201.1 9568396/tftp-deploy-idv8fnkn/kernel/bzImoy-idv8fnkn/kernel/cmdline 9568396/tftp-deploy-idv8fnkn/ramdisk/ramdisk.cpio.gz Waiting for link R8152: Initializing Version 9 (ocp_data = 6010) R8152: Done initializing Adding net device done. MAC: 00:e0:4c:68:0a:98 Sending DHCP discover... done. Waiting for reply... done. Sending DHCP request... done. Waiting for reply... done. My ip is 192.168.201.18 The DHCP server ip is 192.168.201.1 TFTP server IP predefined by user: 192.168.201.1 Bootfile predefined by user: 9568396/tftp-deploy-idv8fnkn/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 ############################################# done. The bootfile was 14517184 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: 9568396/tftp-deploy-idv8fnkn/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/9568396/extract-nfsrootfs-vzqianvc,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: 18773026 Starting kernel ... [ 0.000000] Linux version 5.10.173-cip27 (KernelCI@build-j1167320-x86-64-gcc-10-x86-64-defconfig-x86-chromebowtxtf) (gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2) #1 SMP Sun Mar 12 07:45:06 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/9568396/extract-nfsrootfs-vzqianvc,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 [ 0.000051] last_pfn = 0x17f000 max_arch_pfn = 0x400000000 [ 0.001295] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT [ 0.006679] last_pfn = 0x7a998 max_arch_pfn = 0x400000000 [ 0.024134] check: Scanning 1 areas for low memory corruption [ 0.024146] Using GB pages for direct mapping [ 0.024687] RAMDISK: [mem 0x375da000-0x37ffffff] [ 0.024694] ACPI: Early table checksum verification disabled [ 0.024701] ACPI: RSDP 0x00000000000F0000 000024 (v02 CORE ) [ 0.024714] ACPI: XSDT 0x000000007AA9A0E0 00006C (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.024729] ACPI: FACP 0x000000007AA9E970 0000F4 (v04 CORE COREBOOT 00000000 CORE 00000000) [ 0.024744] ACPI: DSDT 0x000000007AA9A280 0046E3 (v05 COREv4 COREBOOT 20110725 INTL 20180531) [ 0.024756] ACPI: FACS 0x000000007AA9A240 000040 [ 0.024766] ACPI: FACS 0x000000007AA9A240 000040 [ 0.024776] ACPI: SSDT 0x000000007AA9EA70 000EFA (v02 CORE COREBOOT 0000002A CORE 0000002A) [ 0.024788] ACPI: MCFG 0x000000007AA9F970 00003C (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.024799] ACPI: TPM2 0x000000007AA9F9B0 000040 (v04 CORE COREBOOT 00000000 CORE 00000000) [ 0.024810] ACPI: APIC 0x000000007AA9F9F0 00006C (v02 CORE COREBOOT 00000000 CORE 00000000) [ 0.024821] ACPI: NHLT 0x000000007AA9FA60 001B1C (v05 GOOGLE RAMMUS 00000000 CORE 00000000) [ 0.024832] ACPI: DMAR 0x000000007AAA1580 000088 (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.024844] ACPI: DBG2 0x000000007AAA3610 000061 (v00 CORE COREBOOT 00000000 CORE 00000000) [ 0.024854] ACPI: HPET 0x000000007AAA3680 000038 (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.024866] ACPI: Reserving FACP table memory at [mem 0x7aa9e970-0x7aa9ea63] [ 0.024870] ACPI: Reserving DSDT table memory at [mem 0x7aa9a280-0x7aa9e962] [ 0.024875] ACPI: Reserving FACS table memory at [mem 0x7aa9a240-0x7aa9a27f] [ 0.024879] ACPI: Reserving FACS table memory at [mem 0x7aa9a240-0x7aa9a27f] [ 0.024883] ACPI: Reserving SSDT table memory at [mem 0x7aa9ea70-0x7aa9f969] [ 0.024888] ACPI: Reserving MCFG table memory at [mem 0x7aa9f970-0x7aa9f9ab] [ 0.024892] ACPI: Reserving TPM2 table memory at [mem 0x7aa9f9b0-0x7aa9f9ef] [ 0.024896] ACPI: Reserving APIC table memory at [mem 0x7aa9f9f0-0x7aa9fa5b] [ 0.024901] ACPI: Reserving NHLT table memory at [mem 0x7aa9fa60-0x7aaa157b] [ 0.024905] ACPI: Reserving DMAR table memory at [mem 0x7aaa1580-0x7aaa1607] [ 0.024909] ACPI: Reserving DBG2 table memory at [mem 0x7aaa3610-0x7aaa3670] [ 0.024914] ACPI: Reserving HPET table memory at [mem 0x7aaa3680-0x7aaa36b7] [ 0.025049] No NUMA configuration found [ 0.025054] Faking a node at [mem 0x0000000000000000-0x000000017effffff] [ 0.025063] NODE_DATA(0) allocated [mem 0x17effa000-0x17effdfff] [ 0.025115] Zone ranges: [ 0.025119] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 0.025126] DMA32 [mem 0x0000000001000000-0x00000000ffffffff] [ 0.025133] Normal [mem 0x0000000100000000-0x000000017effffff] [ 0.025139] Movable zone start for each node [ 0.025144] Early memory node ranges [ 0.025148] node 0: [mem 0x0000000000001000-0x000000000009ffff] [ 0.025153] node 0: [mem 0x0000000000100000-0x000000007a997fff] [ 0.025158] node 0: [mem 0x0000000100000000-0x000000017effffff] [ 0.025163] Initmem setup node 0 [mem 0x0000000000001000-0x000000017effffff] [ 0.025196] On node 0, zone DMA: 1 pages in unavailable ranges [ 0.025237] On node 0, zone DMA: 96 pages in unavailable ranges [ 0.035760] On node 0, zone Normal: 22120 pages in unavailable ranges [ 0.035837] On node 0, zone Normal: 4096 pages in unavailable ranges [ 0.035862] Reserving Intel graphics memory at [mem 0x7c000000-0x7fffffff] [ 0.036217] ACPI: PM-Timer IO Port: 0x1808 [ 0.036286] IOAPIC[0]: apic_id 2, version 32, address 0xfec00000, GSI 0-119 [ 0.036299] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl) [ 0.036304] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) [ 0.036318] Using ACPI (MADT) for SMP configuration information [ 0.036324] ACPI: HPET id: 0x8086a701 base: 0xfed00000 [ 0.036331] TSC deadline timer available [ 0.036336] smpboot: Allowing 4 CPUs, 0 hotplug CPUs [ 0.036364] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] [ 0.036370] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000fffff] [ 0.036376] PM: hibernation: Registered nosave memory: [mem 0x7a998000-0x7affffff] [ 0.036380] PM: hibernation: Registered nosave memory: [mem 0x7b000000-0x7fffffff] [ 0.036384] PM: hibernation: Registered nosave memory: [mem 0x80000000-0xdfffffff] [ 0.036388] PM: hibernation: Registered nosave memory: [mem 0xe0000000-0xe3ffffff] [ 0.036392] PM: hibernation: Registered nosave memory: [mem 0xe4000000-0xfdffffff] [ 0.036396] PM: hibernation: Registered nosave memory: [mem 0xfe000000-0xfe00ffff] [ 0.036400] PM: hibernation: Registered nosave memory: [mem 0xfe010000-0xfed0ffff] [ 0.036404] PM: hibernation: Registered nosave memory: [mem 0xfed10000-0xfed19fff] [ 0.036409] PM: hibernation: Registered nosave memory: [mem 0xfed1a000-0xfed7ffff] [ 0.036413] PM: hibernation: Registered nosave memory: [mem 0xfed80000-0xfed84fff] [ 0.036416] PM: hibernation: Registered nosave memory: [mem 0xfed85000-0xfed8ffff] [ 0.036420] PM: hibernation: Registered nosave memory: [mem 0xfed90000-0xfed91fff] [ 0.036424] PM: hibernation: Registered nosave memory: [mem 0xfed92000-0xffffffff] [ 0.036433] [mem 0x80000000-0xdfffffff] available for PCI devices [ 0.036440] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1910969940391419 ns [ 0.049983] setup_percpu: NR_CPUS:64 nr_cpumask_bits:64 nr_cpu_ids:4 nr_node_ids:1 [ 0.050253] percpu: Embedded 59 pages/cpu s200848 r8192 d32624 u524288 [ 0.050332] Built 1 zonelists, mobility grouping on. Total pages: 1006266 [ 0.050337] Policy zone: Normal [ 0.050350] 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/9568396/extract-nfsrootfs-vzqianvc,tcp,hard ip=dhcp tftpserverip=192.168.201.1 [ 0.050871] Dentry cache hash table entries: 524288 (order: 10, 4194304 bytes, linear) [ 0.051112] Inode-cache hash table entries: 262144 (order: 9, 2097152 bytes, linear) [ 0.051199] mem auto-init: stack:off, heap alloc:off, heap free:off [ 0.072171] Memory: 3886392K/4089052K available (18450K kernel code, 3478K rwdata, 8136K rodata, 2040K init, 13160K bss, 202400K reserved, 0K cma-reserved) [ 0.072314] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1 [ 0.072370] Kernel/User page tables isolation: enabled [ 0.072447] ftrace: allocating 53538 entries in 210 pages [ 0.128383] ftrace: allocated 210 pages with 4 groups [ 0.128652] Running RCU self tests [ 0.128667] rcu: Hierarchical RCU implementation. [ 0.128671] rcu: RCU event tracing is enabled. [ 0.128675] rcu: RCU lockdep checking is enabled. [ 0.128680] rcu: RCU restricting CPUs from NR_CPUS=64 to nr_cpu_ids=4. [ 0.128685] Rude variant of Tasks RCU enabled. [ 0.128688] Tracing variant of Tasks RCU enabled. [ 0.128693] rcu: RCU calculated value of scheduler-enlistment delay is 100 jiffies. [ 0.128697] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=4 [ 0.137868] NR_IRQS: 4352, nr_irqs: 1024, preallocated irqs: 16 [ 0.138326] random: crng init done [ 0.138427] Console: colour dummy device 80x25 [ 0.213560] printk: console [ttyS0] enabled [ 0.213928] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 0.214590] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 0.214949] ... MAX_LOCK_DEPTH: 48 [ 0.215316] ... MAX_LOCKDEP_KEYS: 8192 [ 0.215697] ... CLASSHASH_SIZE: 4096 [ 0.216078] ... MAX_LOCKDEP_ENTRIES: 32768 [ 0.216467] ... MAX_LOCKDEP_CHAINS: 65536 [ 0.216855] ... CHAINHASH_SIZE: 32768 [ 0.217243] memory used by lock dependency info: 6365 kB [ 0.217711] memory used for stack traces: 4224 kB [ 0.218128] per task-struct memory footprint: 1920 bytes [ 0.218652] ACPI: Core revision 20200925 [ 0.219206] hpet: HPET dysfunctional in PC10. Force disabled. [ 0.219706] APIC: Switch to symmetric I/O mode setup [ 0.224166] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x170fff30cc4, max_idle_ns: 440795237869 ns [ 0.225085] Calibrating delay loop (skipped), value calculated using timer frequency.. 3199.92 BogoMIPS (lpj=1599960) [ 0.225989] pid_max: default: 32768 minimum: 301 [ 0.226068] LSM: Security Framework initializing [ 0.226068] SELinux: Initializing. [ 0.226068] LSM support for eBPF active [ 0.226068] Mount-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) [ 0.226068] Mountpoint-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) [ 0.226068] mce: CPU0: Thermal monitoring enabled (TM1) [ 0.226068] process: using mwait in idle threads [ 0.226068] Last level iTLB entries: 4KB 64, 2MB 8, 4MB 8 [ 0.226068] Last level dTLB entries: 4KB 64, 2MB 0, 4MB 0, 1GB 4 [ 0.226068] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization [ 0.226068] Spectre V2 : Mitigation: IBRS [ 0.226068] Spectre V2 : Spectre v2 / SpectreRSB mitigation: Filling RSB on context switch [ 0.226068] Spectre V2 : Spectre v2 / SpectreRSB : Filling RSB on VMEXIT [ 0.226068] RETBleed: Mitigation: IBRS [ 0.226068] Spectre V2 : mitigation: Enabling conditional Indirect Branch Prediction Barrier [ 0.226068] Spectre V2 : User space: Mitigation: STIBP via seccomp and prctl [ 0.226068] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl and seccomp [ 0.226068] MDS: Vulnerable: Clear CPU buffers attempted, no microcode [ 0.226068] MMIO Stale Data: Vulnerable: Clear CPU buffers attempted, no microcode [ 0.226068] SRBDS: Vulnerable: No microcode [ 0.226068] ------------[ cut here ]------------ [ 0.226068] missing return thunk: lkdtm_rodata_do_nothing+0x0/0x10-lkdtm_rodata_do_nothing+0x5/0x10: e9 00 00 00 00 [ 0.226068] WARNING: CPU: 0 PID: 0 at arch/x86/kernel/alternative.c:712 apply_returns+0x1f5/0x220 [ 0.226068] Modules linked in: [ 0.226068] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.10.173-cip27 #1 [ 0.226068] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 0.226068] RIP: 0010:apply_returns+0x1f5/0x220 [ 0.226068] Code: e4 01 00 0f 85 e1 fe ff ff 49 89 e8 b9 05 00 00 00 4c 89 f2 48 89 ee 48 c7 c7 68 b4 60 9f c6 05 21 92 e4 01 01 e8 e8 28 e9 00 <0f> 0b e9 b9 fe ff ff 44 89 f9 c7 00 cc cc cc cc c7 44 08 fc cc cc [ 0.226068] RSP: 0000:ffffffff9f803de0 EFLAGS: 00010282 [ 0.226068] RAX: 0000000000000000 RBX: ffffffffa02f45f4 RCX: 0000000000000000 [ 0.226068] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff9dd7a011 [ 0.226068] RBP: ffffffff9f2d5f00 R08: 0000000000000001 R09: 0000000000000001 [ 0.226068] R10: ffffffff9f88fe40 R11: 3fffffffffffffff R12: ffffffffa030cac0 [ 0.226068] R13: cccccccccccccccc R14: ffffffff9f2d5f05 R15: 0000000000000004 [ 0.226068] FS: 0000000000000000(0000) GS:ffff8ae6fac00000(0000) knlGS:0000000000000000 [ 0.226068] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 0.226068] CR2: ffff8ae6fefff000 CR3: 0000000049226001 CR4: 00000000003706f0 [ 0.226068] Call Trace: [ 0.226068] alternative_instructions+0x7d/0x143 [ 0.226068] check_bugs+0xe9f/0xefb [ 0.226068] start_kernel+0x517/0x54d [ 0.226068] secondary_startup_64_no_verify+0xc2/0xcb [ 0.226068] irq event stamp: 165433 [ 0.226068] hardirqs last enabled at (165441): [] console_unlock+0x4d1/0x5f0 [ 0.226068] hardirqs last disabled at (165448): [] console_unlock+0x444/0x5f0 [ 0.226068] softirqs last enabled at (1828): [] cgroup_idr_alloc.constprop.0+0x5b/0xe0 [ 0.226068] softirqs last disabled at (1826): [] cgroup_idr_alloc.constprop.0+0x2e/0xe0 [ 0.226068] ---[ end trace b9cc279d67662a96 ]--- [ 0.226068] Freeing SMP alternatives memory: 48K [ 0.226068] smpboot: CPU0: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz (family: 0x6, model: 0x8e, stepping: 0x9) [ 0.226977] Performance Events: PEBS fmt3+, Skylake events, 32-deep LBR, full-width counters, Intel PMU driver. [ 0.227086] ... version: 4 [ 0.227444] ... bit width: 48 [ 0.227806] ... generic registers: 4 [ 0.228076] ... value mask: 0000ffffffffffff [ 0.228542] ... max period: 00007fffffffffff [ 0.229004] ... fixed-purpose events: 3 [ 0.229075] ... event mask: 000000070000000f [ 0.230199] rcu: Hierarchical SRCU implementation. [ 0.233027] smp: Bringing up secondary CPUs ... [ 0.234052] x86: Booting SMP configuration: [ 0.234108] .... node #0, CPUs: #1 [ 0.235190] 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. [ 0.236107] 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. [ 0.237970] #2 #3 [ 0.240633] smp: Brought up 1 node, 4 CPUs [ 0.241457] smpboot: Max logical packages: 1 [ 0.241838] smpboot: Total of 4 processors activated (12799.68 BogoMIPS) [ 0.244509] devtmpfs: initialized [ 0.245520] x86/mm: Memory block size: 128MB [ 0.251176] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1911260446275000 ns [ 0.252103] futex hash table entries: 1024 (order: 5, 131072 bytes, linear) [ 0.253283] pinctrl core: initialized pinctrl subsystem [ 0.254229] PM: RTC time: 07:57:49, date: 2023-03-12 [ 0.255392] NET: Registered protocol family 16 [ 0.256818] audit: initializing netlink subsys (disabled) [ 0.257134] audit: type=2000 audit(1678607869.032:1): state=initialized audit_enabled=0 res=1 [ 0.258164] thermal_sys: Registered thermal governor 'step_wise' [ 0.258171] thermal_sys: Registered thermal governor 'user_space' [ 0.258799] cpuidle: using governor menu [ 0.259532] ACPI: bus type PCI registered [ 0.260572] PCI: MMCONFIG for domain 0000 [bus 00-3f] at [mem 0xe0000000-0xe3ffffff] (base 0xe0000000) [ 0.261085] PCI: MMCONFIG at [mem 0xe0000000-0xe3ffffff] reserved in E820 [ 0.261715] PCI: Using configuration type 1 for base access [ 0.293393] Kprobes globally optimized [ 0.294159] HugeTLB registered 1.00 GiB page size, pre-allocated 0 pages [ 0.294692] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages [ 0.295327] cryptomgr_test (38) used greatest stack depth: 14880 bytes left [ 0.298573] ACPI: Added _OSI(Module Device) [ 0.298950] ACPI: Added _OSI(Processor Device) [ 0.299079] ACPI: Added _OSI(3.0 _SCP Extensions) [ 0.299496] ACPI: Added _OSI(Processor Aggregator Device) [ 0.299970] ACPI: Added _OSI(Linux-Dell-Video) [ 0.301084] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio) [ 0.301553] ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics) [ 0.318213] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 0.329108] ACPI: EC: EC started [ 0.329424] ACPI: EC: interrupt blocked [ 0.330764] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62 [ 0.331082] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC used to handle transactions [ 0.331720] ACPI: Interpreter enabled [ 0.332129] ACPI: (supports S0 S3 S4 S5) [ 0.332479] ACPI: Using IOAPIC for interrupt routing [ 0.333013] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug [ 0.356791] ACPI: Power Resource [PRIC] (on) [ 0.487692] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 0.488089] acpi PNP0A08:00: _OSC: OS supports [ExtendedConfig ASPM ClockPM Segments MSI HPX-Type3] [ 0.489256] acpi PNP0A08:00: _OSC: OS now controls [PME PCIeCapability LTR] [ 0.489940] acpi PNP0A08:00: [Firmware Info]: MMCONFIG for domain 0000 [bus 00-3f] only partially covers this bridge [ 0.491888] PCI host bridge to bus 0000:00 [ 0.492083] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 0.492673] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] [ 0.493078] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 0.493726] pci_bus 0000:00: root bus resource [mem 0x000c0000-0x000c3fff window] [ 0.494078] pci_bus 0000:00: root bus resource [mem 0x000c4000-0x000c7fff window] [ 0.494726] pci_bus 0000:00: root bus resource [mem 0x000c8000-0x000cbfff window] [ 0.495081] pci_bus 0000:00: root bus resource [mem 0x000cc000-0x000cffff window] [ 0.495727] pci_bus 0000:00: root bus resource [mem 0x000d0000-0x000d3fff window] [ 0.497079] pci_bus 0000:00: root bus resource [mem 0x000d4000-0x000d7fff window] [ 0.497726] pci_bus 0000:00: root bus resource [mem 0x000d8000-0x000dbfff window] [ 0.498078] pci_bus 0000:00: root bus resource [mem 0x000dc000-0x000dffff window] [ 0.498725] pci_bus 0000:00: root bus resource [mem 0x000e0000-0x000e3fff window] [ 0.499077] pci_bus 0000:00: root bus resource [mem 0x000e4000-0x000e7fff window] [ 0.499726] pci_bus 0000:00: root bus resource [mem 0x000e8000-0x000ebfff window] [ 0.501079] pci_bus 0000:00: root bus resource [mem 0x000ec000-0x000effff window] [ 0.501726] pci_bus 0000:00: root bus resource [mem 0x000f0000-0x000fffff window] [ 0.502078] pci_bus 0000:00: root bus resource [mem 0x80000001-0xdfffffff window] [ 0.502725] pci_bus 0000:00: root bus resource [mem 0x800000000-0xbffffffff window] [ 0.503078] pci_bus 0000:00: root bus resource [mem 0xfd000000-0xfe7fffff window] [ 0.503724] pci_bus 0000:00: root bus resource [mem 0xfed40000-0xfed44fff window] [ 0.505080] pci_bus 0000:00: root bus resource [bus 00-ff] [ 0.505663] pci 0000:00:00.0: [8086:590c] type 00 class 0x060000 [ 0.507402] pci 0000:00:02.0: [8086:591c] type 00 class 0x030000 [ 0.507955] pci 0000:00:02.0: reg 0x10: [mem 0xd0000000-0xd0ffffff 64bit] [ 0.508095] pci 0000:00:02.0: reg 0x18: [mem 0xc0000000-0xcfffffff 64bit pref] [ 0.508729] pci 0000:00:02.0: reg 0x20: [io 0x1c00-0x1c3f] [ 0.509941] pci 0000:00:04.0: [8086:1903] type 00 class 0x118000 [ 0.511107] pci 0000:00:04.0: reg 0x10: [mem 0xd1120000-0xd1127fff 64bit] [ 0.512722] pci 0000:00:08.0: [8086:1911] type 00 class 0x088000 [ 0.513107] pci 0000:00:08.0: reg 0x10: [mem 0xd1130000-0xd1130fff 64bit] [ 0.514572] pci 0000:00:14.0: [8086:9d2f] type 00 class 0x0c0330 [ 0.515119] pci 0000:00:14.0: reg 0x10: [mem 0xd1100000-0xd110ffff 64bit] [ 0.515875] pci 0000:00:14.0: PME# supported from D3hot D3cold [ 0.517111] pci 0000:00:14.2: [8086:9d31] type 00 class 0x118000 [ 0.517674] pci 0000:00:14.2: reg 0x10: [mem 0xd1131000-0xd1131fff 64bit] [ 0.518978] pci 0000:00:15.0: [8086:9d60] type 00 class 0x118000 [ 0.520129] pci 0000:00:15.0: reg 0x10: [mem 0xd1132000-0xd1132fff 64bit] [ 0.521799] pci 0000:00:15.1: [8086:9d61] type 00 class 0x118000 [ 0.522128] pci 0000:00:15.1: reg 0x10: [mem 0xd1133000-0xd1133fff 64bit] [ 0.523838] pci 0000:00:19.0: [8086:9d66] type 00 class 0x118000 [ 0.524128] pci 0000:00:19.0: reg 0x10: [mem 0xfe034000-0xfe034fff 64bit] [ 0.524747] pci 0000:00:19.0: reg 0x18: [mem 0xd1135000-0xd1135fff 64bit] [ 0.527150] pci 0000:00:19.1: [8086:9d65] type 00 class 0x118000 [ 0.527720] pci 0000:00:19.1: reg 0x10: [mem 0xd1136000-0xd1136fff 64bit] [ 0.529214] pci 0000:00:1c.0: [8086:9d10] type 01 class 0x060400 [ 0.529964] pci 0000:00:1c.0: PME# supported from D0 D3hot D3cold [ 0.531123] pci 0000:00:1e.0: [8086:9d27] type 00 class 0x118000 [ 0.531694] pci 0000:00:1e.0: reg 0x10: [mem 0xd1137000-0xd1137fff 64bit] [ 0.533164] pci 0000:00:1e.2: [8086:9d29] type 00 class 0x118000 [ 0.533734] pci 0000:00:1e.2: reg 0x10: [mem 0xd1138000-0xd1138fff 64bit] [ 0.536164] pci 0000:00:1e.4: [8086:9d2b] type 00 class 0x080501 [ 0.536729] pci 0000:00:1e.4: reg 0x10: [mem 0xd1139000-0xd1139fff 64bit] [ 0.538307] pci 0000:00:1e.6: [8086:9d2d] type 00 class 0x080501 [ 0.538871] pci 0000:00:1e.6: reg 0x10: [mem 0xd113a000-0xd113afff 64bit] [ 0.540133] pci 0000:00:1f.0: [8086:9d4b] type 00 class 0x060100 [ 0.541689] pci 0000:00:1f.2: [8086:9d21] type 00 class 0x058000 [ 0.542113] pci 0000:00:1f.2: reg 0x10: [mem 0xd1128000-0xd112bfff] [ 0.543679] pci 0000:00:1f.3: [8086:9d71] type 00 class 0x040100 [ 0.545127] pci 0000:00:1f.3: reg 0x10: [mem 0xd112c000-0xd112ffff 64bit] [ 0.545776] pci 0000:00:1f.3: reg 0x20: [mem 0xd1110000-0xd111ffff 64bit] [ 0.546201] pci 0000:00:1f.3: PME# supported from D3hot D3cold [ 0.547744] pci 0000:00:1f.4: [8086:9d23] type 00 class 0x0c0500 [ 0.548144] pci 0000:00:1f.4: reg 0x10: [mem 0xd113c000-0xd113c0ff 64bit] [ 0.548809] pci 0000:00:1f.4: reg 0x20: [io 0xefa0-0xefbf] [ 0.550068] pci 0000:00:1f.5: [8086:9d24] type 00 class 0x000000 [ 0.551115] pci 0000:00:1f.5: reg 0x10: [mem 0xfe010000-0xfe010fff] [ 0.553451] pci 0000:01:00.0: [8086:095a] type 00 class 0x028000 [ 0.554973] pci 0000:01:00.0: reg 0x10: [mem 0xd1000000-0xd1001fff 64bit] [ 0.559323] pci 0000:01:00.0: PME# supported from D0 D3hot D3cold [ 0.562517] pci 0000:00:1c.0: PCI bridge to [bus 01] [ 0.562974] pci 0000:00:1c.0: bridge window [mem 0xd1000000-0xd10fffff] [ 0.566003] ACPI: PCI Interrupt Link [LNKA] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.567477] ACPI: PCI Interrupt Link [LNKB] (IRQs 3 4 5 6 *10 12 14 15) [ 0.568466] ACPI: PCI Interrupt Link [LNKC] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.569466] ACPI: PCI Interrupt Link [LNKD] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.570466] ACPI: PCI Interrupt Link [LNKE] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.571466] ACPI: PCI Interrupt Link [LNKF] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.572485] ACPI: PCI Interrupt Link [LNKG] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.573488] ACPI: PCI Interrupt Link [LNKH] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.582146] ACPI: EC: interrupt unblocked [ 0.582519] ACPI: EC: event unblocked [ 0.582867] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62 [ 0.583077] ACPI: EC: GPE=0x6e [ 0.583363] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC initialization complete [ 0.583977] ACPI: \_SB_.PCI0.LPCB.EC0_: EC: Used to handle transactions and events [ 0.585663] iommu: Default domain type: Translated [ 0.586356] pci 0000:00:02.0: vgaarb: setting as boot VGA device [ 0.586697] pci 0000:00:02.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none [ 0.588109] pci 0000:00:02.0: vgaarb: bridge control possible [ 0.588613] vgaarb: loaded [ 0.589582] SCSI subsystem initialized [ 0.590372] ACPI: bus type USB registered [ 0.590895] usbcore: registered new interface driver usbfs [ 0.591161] usbcore: registered new interface driver hub [ 0.591679] usbcore: registered new device driver usb [ 0.592248] mc: Linux media interface: v0.10 [ 0.592674] videodev: Linux video capture interface: v2.00 [ 0.593138] pps_core: LinuxPPS API ver. 1 registered [ 0.593575] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 0.594094] PTP clock support registered [ 0.595406] Advanced Linux Sound Architecture Driver Initialized. [ 0.597063] NetLabel: Initializing [ 0.598081] NetLabel: domain hash size = 128 [ 0.598469] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO [ 0.599060] NetLabel: unlabeled traffic allowed by default [ 0.599239] PCI: Using ACPI for IRQ routing [ 0.608071] clocksource: Switched to clocksource tsc-early [ 1.114970] VFS: Disk quotas dquot_6.6.0 [ 1.115405] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 1.116521] pnp: PnP ACPI init [ 1.117835] system 00:00: [mem 0xfed10000-0xfed17fff] has been reserved [ 1.118440] system 00:00: [mem 0xfed18000-0xfed18fff] has been reserved [ 1.119018] system 00:00: [mem 0xfed19000-0xfed19fff] has been reserved [ 1.119616] system 00:00: [mem 0xe0000000-0xe3ffffff] has been reserved [ 1.120209] system 00:00: [mem 0xfed20000-0xfed3ffff] has been reserved [ 1.120789] system 00:00: [mem 0xfed90000-0xfed93fff] could not be reserved [ 1.121412] system 00:00: [mem 0xfed45000-0xfed8ffff] could not be reserved [ 1.122019] system 00:00: [mem 0xff000000-0xffffffff] has been reserved [ 1.122613] system 00:00: [mem 0xfee00000-0xfeefffff] has been reserved [ 1.123207] system 00:00: [mem 0xfed00000-0xfed003ff] has been reserved [ 1.124956] system 00:01: [io 0x1800-0x18fe] has been reserved [ 1.125992] system 00:03: [io 0x0900-0x09fe] has been reserved [ 1.126860] system 00:04: [io 0x0200] has been reserved [ 1.127354] system 00:04: [io 0x0204] has been reserved [ 1.127824] system 00:04: [io 0x0800-0x087f] has been reserved [ 1.128362] system 00:04: [io 0x0880-0x08ff] has been reserved [ 1.131823] pnp: PnP ACPI: found 6 devices [ 1.149227] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns [ 1.150164] NET: Registered protocol family 2 [ 1.150732] IP idents hash table entries: 65536 (order: 7, 524288 bytes, linear) [ 1.153303] tcp_listen_portaddr_hash hash table entries: 2048 (order: 5, 163840 bytes, linear) [ 1.154324] TCP established hash table entries: 32768 (order: 6, 262144 bytes, linear) [ 1.155302] TCP bind hash table entries: 32768 (order: 9, 2359296 bytes, linear) [ 1.158022] TCP: Hash tables configured (established 32768 bind 32768) [ 1.158981] MPTCP token hash table entries: 4096 (order: 6, 360448 bytes, linear) [ 1.159977] UDP hash table entries: 2048 (order: 6, 327680 bytes, linear) [ 1.160882] UDP-Lite hash table entries: 2048 (order: 6, 327680 bytes, linear) [ 1.161972] NET: Registered protocol family 1 [ 1.163252] RPC: Registered named UNIX socket transport module. [ 1.163796] RPC: Registered udp transport module. [ 1.164234] RPC: Registered tcp transport module. [ 1.164651] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 1.165910] NET: Registered protocol family 44 [ 1.166354] pci 0000:00:1c.0: PCI bridge to [bus 01] [ 1.166809] pci 0000:00:1c.0: bridge window [mem 0xd1000000-0xd10fffff] [ 1.167436] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7 window] [ 1.167973] pci_bus 0000:00: resource 5 [io 0x0d00-0xffff window] [ 1.168528] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window] [ 1.169210] pci_bus 0000:00: resource 7 [mem 0x000c0000-0x000c3fff window] [ 1.169806] pci_bus 0000:00: resource 8 [mem 0x000c4000-0x000c7fff window] [ 1.170417] pci_bus 0000:00: resource 9 [mem 0x000c8000-0x000cbfff window] [ 1.171013] pci_bus 0000:00: resource 10 [mem 0x000cc000-0x000cffff window] [ 1.171629] pci_bus 0000:00: resource 11 [mem 0x000d0000-0x000d3fff window] [ 1.172248] pci_bus 0000:00: resource 12 [mem 0x000d4000-0x000d7fff window] [ 1.172851] pci_bus 0000:00: resource 13 [mem 0x000d8000-0x000dbfff window] [ 1.173466] pci_bus 0000:00: resource 14 [mem 0x000dc000-0x000dffff window] [ 1.174068] pci_bus 0000:00: resource 15 [mem 0x000e0000-0x000e3fff window] [ 1.174730] pci_bus 0000:00: resource 16 [mem 0x000e4000-0x000e7fff window] [ 1.175351] pci_bus 0000:00: resource 17 [mem 0x000e8000-0x000ebfff window] [ 1.175955] pci_bus 0000:00: resource 18 [mem 0x000ec000-0x000effff window] [ 1.176570] pci_bus 0000:00: resource 19 [mem 0x000f0000-0x000fffff window] [ 1.177188] pci_bus 0000:00: resource 20 [mem 0x80000001-0xdfffffff window] [ 1.177791] pci_bus 0000:00: resource 21 [mem 0x800000000-0xbffffffff window] [ 1.178421] pci_bus 0000:00: resource 22 [mem 0xfd000000-0xfe7fffff window] [ 1.179024] pci_bus 0000:00: resource 23 [mem 0xfed40000-0xfed44fff window] [ 1.179642] pci_bus 0000:01: resource 1 [mem 0xd1000000-0xd10fffff] [ 1.180782] pci 0000:00:02.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff] [ 1.184036] PCI: CLS 64 bytes, default 64 [ 1.184909] Unpacking initramfs... [ 1.652294] Freeing initrd memory: 10392K [ 1.652736] DMAR: Host address width 39 [ 1.653136] DMAR: DRHD base: 0x000000fed90000 flags: 0x0 [ 1.653676] DMAR: dmar0: reg_base_addr fed90000 ver 1:0 cap 1c0000c40660462 ecap 19e2ff0505e [ 1.654421] DMAR: RMRR base: 0x0000007b800000 end: 0x0000007fffffff [ 1.654970] DMAR: DRHD base: 0x000000fed91000 flags: 0x1 [ 1.655476] DMAR: dmar1: reg_base_addr fed91000 ver 1:0 cap d2008c40660462 ecap f050da [ 1.656286] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) [ 1.656849] software IO TLB: mapped [mem 0x0000000076998000-0x000000007a998000] (64MB) [ 1.657798] RAPL PMU: API unit is 2^-32 Joules, 5 fixed counters, 655360 ms ovfl timer [ 1.658521] RAPL PMU: hw unit of domain pp0-core 2^-14 Joules [ 1.659024] RAPL PMU: hw unit of domain package 2^-14 Joules [ 1.659616] RAPL PMU: hw unit of domain dram 2^-14 Joules [ 1.660105] RAPL PMU: hw unit of domain pp1-gpu 2^-14 Joules [ 1.660599] RAPL PMU: hw unit of domain psys 2^-14 Joules [ 1.663301] kvm: already loaded the other module [ 1.681596] check: Scanning for low memory corruption every 60 seconds [ 1.686286] Initialise system trusted keyrings [ 1.686991] workingset: timestamp_bits=56 max_order=20 bucket_order=0 [ 1.714022] NFS: Registering the id_resolver key type [ 1.714540] Key type id_resolver registered [ 1.714940] Key type id_legacy registered [ 1.736122] Key type asymmetric registered [ 1.736519] Asymmetric key parser 'x509' registered [ 1.737005] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 248) [ 1.737689] io scheduler mq-deadline registered [ 1.738107] io scheduler kyber registered [ 1.738757] test_firmware: interface ready [ 1.741102] pcieport 0000:00:1c.0: PME: Signaling with IRQ 120 [ 1.743243] ACPI: AC Adapter [AC] (on-line) [ 1.744127] input: Lid Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:03/PNP0C09:00/PNP0C0D:00/input/input0 [ 1.745964] ACPI: Lid Switch [LID0] [ 1.746640] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input1 [ 1.747606] ACPI: Power Button [PWRF] [ 1.748468] ACPI: \_PR_.CP00: Found 3 idle states [ 1.749817] ACPI: \_PR_.CP01: Found 3 idle states [ 1.750994] ACPI: \_PR_.CP02: Found 3 idle states [ 1.752220] ACPI: \_PR_.CP03: Found 3 idle states [ 1.754064] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 1.758733] hpet_acpi_add: no address or irqs in _CRS [ 1.759588] Non-volatile memory driver v1.3 [ 1.760284] Linux agpgart interface v0.103 [ 1.760830] battery: ACPI: Battery Slot [BAT0] (battery present) [ 1.764347] i915 0000:00:02.0: vgaarb: deactivate vga console [ 1.817404] i915 0000:00:02.0: vgaarb: changed VGA decodes: olddecodes=io+mem,decodes=io+mem:owns=io+mem [ 1.819226] i915 0000:00:02.0: [drm] Finished loading DMC firmware i915/kbl_dmc_ver1_04.bin (v1.4) [ 1.858028] [drm] Initialized i915 1.6.0 20200917 for 0000:00:02.0 on minor 0 [ 1.862904] [drm] Initialized vgem 1.0.0 20120112 for vgem on minor 1 [ 1.887538] loop: module loaded [ 1.888990] lkdtm: No crash points registered, enable through debugfs [ 1.920205] printk: console [ttyS0] disabled [ 1.921685] dw-apb-uart.2: ttyS0 at MMIO 0xfe034000 (irq = 32, base_baud = 115200) is a 16550A [ 2.688305] tsc: Refined TSC clocksource calibration: 1608.000 MHz [ 2.691339] printk: console [ttyS0] enabled [ 2.699810] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x172daa3a18b, max_idle_ns: 440795212390 ns [ 2.725415] dw-apb-uart.4: ttyS1 at MMIO 0xd1137000 (irq = 20, base_baud = 115200) is a 16550A [ 5.359068] clocksource: Switched to clocksource tsc [ 5.359338] fbcon: i915drmfb (fb0) is primary device [ 5.362728] pxa2xx-spi pxa2xx-spi.5: no DMA channels available, using PIO [ 5.373770] e100: Intel(R) PRO/100 Network Driver [ 5.373775] e100: Copyright(c) 1999-2006 Intel Corporation [ 5.373857] e1000: Intel(R) PRO/1000 Network Driver [ 5.373859] e1000: Copyright (c) 1999-2006 Intel Corporation. [ 5.373964] e1000e: Intel(R) PRO/1000 Network Driver [ 5.373967] e1000e: Copyright(c) 1999 - 2015 Intel Corporation. [ 5.374108] sky2: driver version 1.30 [ 5.374712] usbcore: registered new interface driver r8152 [ 5.375338] tpm_tis_spi spi-PRP0001:00: TPM ready IRQ confirmed on attempt 2 [ 5.375459] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver [ 5.375524] ehci-pci: EHCI PCI platform driver [ 5.375609] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver [ 5.375631] ohci-pci: OHCI PCI platform driver [ 5.375747] uhci_hcd: USB Universal Host Controller Interface driver [ 5.377837] xhci_hcd 0000:00:14.0: xHCI Host Controller [ 5.379069] xhci_hcd 0000:00:14.0: new USB bus registered, assigned bus number 1 [ 5.380690] xhci_hcd 0000:00:14.0: hcc params 0x200077c1 hci version 0x100 quirks 0x0000000081109810 [ 5.380766] xhci_hcd 0000:00:14.0: cache line size of 64 is not supported [ 5.384470] xhci_hcd 0000:00:14.0: xHCI Host Controller [ 5.385694] xhci_hcd 0000:00:14.0: new USB bus registered, assigned bus number 2 [ 5.385713] xhci_hcd 0000:00:14.0: Host supports USB 3.0 SuperSpeed [ 5.386730] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.10 [ 5.386759] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 5.386766] usb usb1: Product: xHCI Host Controller [ 5.386772] usb usb1: Manufacturer: Linux 5.10.173-cip27 xhci-hcd [ 5.386778] usb usb1: SerialNumber: 0000:00:14.0 [ 5.390070] hub 1-0:1.0: USB hub found [ 5.390408] hub 1-0:1.0: 12 ports detected [ 5.398593] Console: switching to colour frame buffer device 240x67 [ 5.398708] usb usb2: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.10 [ 5.398716] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 5.398746] usb usb2: Product: xHCI Host Controller [ 5.398753] usb usb2: Manufacturer: Linux 5.10.173-cip27 xhci-hcd [ 5.398784] usb usb2: SerialNumber: 0000:00:14.0 [ 5.399860] tpm_tis_spi spi-PRP0001:00: 2.0 TPM (device-id 0x28, rev-id 0) [ 5.400672] hub 2-0:1.0: USB hub found [ 5.400744] hub 2-0:1.0: 6 ports detected [ 5.403986] usbcore: registered new interface driver usblp [ 5.404131] usbcore: registered new interface driver usb-storage [ 5.404829] udc-core: couldn't find an available UDC - added [g_ether] to list of pending drivers [ 5.405037] i8042: PNP: PS/2 Controller [PNP0303:PS2K] at 0x60,0x64 irq 1 [ 5.405042] i8042: PNP: PS/2 appears to have AUX port disabled, if this is incorrect please boot with i8042.nopnp [ 5.405854] i8042: Warning: Keylock active [ 5.406177] serio: i8042 KBD port at 0x60,0x64 irq 1 [ 5.409045] rtc_cmos 00:02: RTC can wake from S4 [ 5.412198] input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input2 [ 5.414064] rtc_cmos 00:02: registered as rtc0 [ 5.414480] rtc_cmos 00:02: alarms up to one month, 242 bytes nvram [ 5.416068] i801_smbus 0000:00:1f.4: SPD Write Disable is set [ 5.416160] i801_smbus 0000:00:1f.4: SMBus using PCI interrupt [ 5.420164] i2c i2c-9: 2/2 memory slots populated (from DMI) [ 5.422900] device-mapper: ioctl: 4.43.0-ioctl (2020-10-01) initialised: dm-devel@redhat.com [ 5.422978] intel_pstate: Intel P-state driver initializing [ 5.424756] intel_pstate: HWP enabled [ 5.424806] sdhci: Secure Digital Host Controller Interface driver [ 5.424808] sdhci: Copyright(c) Pierre Ossman [ 5.424855] sdhci-pci 0000:00:1e.4: SDHCI controller found [8086:9d2b] (rev 21) [ 5.426733] mmc0: SDHCI controller on PCI [0000:00:1e.4] using ADMA 64-bit [ 5.432226] i915 0000:00:02.0: [drm] fb0: i915drmfb frame buffer device [ 5.437937] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 5.514710] tpm_tis_spi spi-PRP0001:00: Cr50 firmware version: B2-C:0 RO_B:0.0.11/4d655eab RW_B:0.5.5/cr50_v1.9308_87_mp.479-d7 [ 5.519569] hid: raw HID events driver (C) Jiri Kosina [ 5.641934] mmc0: new HS400 MMC card at address 0001 [ 5.643760] usbcore: registered new interface driver usbhid [ 5.644143] usb 1-3: new full-speed USB device number 2 using xhci_hcd [ 5.652110] mmcblk0: mmc0:0001 DA4064 58.2 GiB [ 5.656801] usbhid: USB HID core driver [ 5.663802] mmcblk0boot0: mmc0:0001 DA4064 partition 1 4.00 MiB [ 5.669331] input: Tablet Mode Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:03/PNP0C09:00/GOOG0006:00/input/input3 [ 5.676719] mmcblk0boot1: mmc0:0001 DA4064 partition 2 4.00 MiB [ 5.685650] cros_ec_lpcs GOOG0004:00: Chrome EC device registered [ 5.691672] mmcblk0rpmb: mmc0:0001 DA4064 partition 3 16.0 MiB, chardev (245:0) [ 5.699612] snd_hda_intel 0000:00:1f.3: DSP detected with PCI class/subclass/prog-if info 0x040100 [ 5.723812] mmcblk0: p1 p2 p3 p4 p5 p6 p7 p8 p9 p10 p11 p12 [ 5.728164] ipip: IPv4 and MPLS over IPv4 tunneling driver [ 5.778327] usb 1-3: New USB device found, idVendor=8087, idProduct=0a2a, bcdDevice= 0.03 [ 5.784031] IPv4 over IPsec tunneling driver [ 5.793152] usb 1-3: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 5.900814] usb 2-3: new SuperSpeed Gen 1 USB device number 2 using xhci_hcd [ 5.914309] Initializing XFRM netlink socket [ 5.993570] usb 2-3: New USB device found, idVendor=0bda, idProduct=8153, bcdDevice=31.00 [ 5.993907] NET: Registered protocol family 10 [ 6.002737] usb 2-3: New USB device strings: Mfr=1, Product=2, SerialNumber=6 [ 6.008660] Segment Routing with IPv6 [ 6.015690] usb 2-3: Product: USB 10/100/1000 LAN [ 6.020624] NET: Registered protocol family 17 [ 6.025119] usb 2-3: Manufacturer: Realtek [ 6.030295] Key type dns_resolver registered [ 6.034702] usb 2-3: SerialNumber: 001000001 [ 6.045306] microcode: sig=0x806e9, pf=0x10, revision=0x98 [ 6.048540] snd_hda_intel 0000:00:1f.3: bound 0000:00:02.0 (ops i915_audio_component_bind_ops) [ 6.051487] microcode: Microcode Update Driver: v2.2. [ 6.061126] IPI shorthand broadcast: enabled [ 6.071639] sched_clock: Marking stable (5984792195, 86782272)->(6167257009, -95682542) [ 6.075687] snd_hda_intel 0000:00:1f.3: Cannot probe codecs, giving up [ 6.088174] registered taskstats version 1 [ 6.092786] Loading compiled-in X.509 certificates [ 6.098201] usb 1-9: new high-speed USB device number 3 using xhci_hcd [ 6.104219] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 6.115431] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 6.124884] PM: Magic number: 15:66:976 [ 6.129570] printk: console [netcon0] enabled [ 6.134446] netconsole: network logging started [ 6.265303] usb 1-9: New USB device found, idVendor=13d3, idProduct=56d4, bcdDevice=18.07 [ 6.274514] usb 1-9: New USB device strings: Mfr=3, Product=1, SerialNumber=2 [ 6.282524] usb 1-9: Product: USB2.0 HD UVC WebCam [ 6.287910] usb 1-9: Manufacturer: Azurewave [ 6.292711] usb 1-9: SerialNumber: 0x0001 [ 6.305467] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 6.347704] usb 2-3: reset SuperSpeed Gen 1 USB device number 2 using xhci_hcd [ 6.400725] r8152 2-3:1.0: load rtl8153b-2 v1 10/23/19 successfully [ 6.442561] r8152 2-3:1.0 eth0: v1.11.11 [ 6.448056] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 8.058578] r8152 2-3:1.0 eth0: carrier on [ 8.059179] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready [ 8.070331] Sending DHCP requests .., OK [ 10.689892] IP-Config: Got DHCP answer from 192.168.201.1, my address is 192.168.201.18 [ 10.698878] IP-Config: Complete: [ 10.702517] device=eth0, hwaddr=00:e0:4c:68:0a:98, ipaddr=192.168.201.18, mask=255.255.255.0, gw=192.168.201.1 [ 10.714249] host=asus-C433TA-AJ0005-rammus-cbg-2, domain=lava-rack, nis-domain=(none) [ 10.723505] bootserver=192.168.201.1, rootserver=192.168.201.1, rootpath= [ 10.723509] nameserver0=192.168.201.1 [ 10.736352] cfg80211: Loading compiled-in X.509 certificates for regulatory database [ 10.748068] modprobe (98) used greatest stack depth: 14200 bytes left [ 10.751443] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7' [ 10.755312] modprobe (99) used greatest stack depth: 14008 bytes left [ 10.762738] ALSA device list: [ 10.773350] platform regulatory.0: Direct firmware load for regulatory.db failed with error -2 [ 10.774100] No soundcards found. [ 10.783087] cfg80211: failed to load regulatory.db [ 10.792616] dw-apb-uart dw-apb-uart.2: forbid DMA for kernel console [ 10.802915] Freeing unused kernel image (initmem) memory: 2040K [ 10.817381] Write protecting the kernel read-only data: 28672k [ 10.825086] Freeing unused kernel image (text/rodata gap) memory: 2028K [ 10.832702] Freeing unused kernel image (rodata/data gap) memory: 56K [ 10.839951] Run /init as init process Loading, please wait... Starting version 247.3-7+deb11u1 [ 10.862636] systemd-udevd (120) used greatest stack depth: 13792 bytes left [ 10.924230] udevadm (122) used greatest stack depth: 13568 bytes left [ 11.076466] chromeos ramoops using acpi device. [ 11.078227] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 11.094156] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 11.105422] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 11.115212] cros-usbpd-notify-acpi GOOG0003:00: Couldn't get Chrome EC device pointer. [ 11.124541] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 11.155541] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 11.173219] Registered efivars operations [ 11.177734] gsmi version 1.0 loaded [ 11.181779] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 11.317695] 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 [ 11.336604] hid-generic 0018:0457:157E.0001: input,hidraw0: I2C HID v1.00 Device [PNP0C50:00 0457:157E] on i2c-PNP0C50:00 [ 11.349462] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 11.361785] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 11.373216] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 11.383602] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 11.383698] uvcvideo: Found UVC 1.00 device USB2.0 HD UVC WebCam (13d3:56d4) [ 11.400023] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 11.405198] 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 [ 11.411241] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 11.428635] usbcore: registered new interface driver uvcvideo [ 11.429988] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 11.435098] USB Video Class driver (1.1.1) [ 11.452894] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 11.462839] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 11.472954] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 11.485050] udevadm (149) used greatest stack depth: 13408 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:68:0a:98 mtu 1500 DHCP IP-Config: eth0 complete (dhcp from 192.168.201.1): address: 192.168.201.18 broadcast: 192.168.201.255 netmask: 255.255.255.0 gateway: 192.168.201.1 dns0 : 192.168.201.1 dns1 : 0.0.0.0 host : asus-C433TA-AJ0005-rammus-cbg-2 domain : lava-rack rootserver: 192.168.201.1 rootpath: filename : [ 11.655754] nfsmount (170) 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 [ 12.886416] 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) [ 12.924411] systemd[1]: Detected architecture x86-64. Welcome to Debian GNU/Linux 11 (bullseye)! [ 12.952550] systemd[1]: Set hostname to . [ 13.399790] systemd[1]: Queued start job for default target Graphical Interface. [ 13.411058] systemd[1]: Created slice system-getty.slice. [ OK ] Created slice system-getty.slice. [ 13.426765] systemd[1]: Created slice system-modprobe.slice. [ OK ] Created slice system-modprobe.slice. [ 13.442854] systemd[1]: Created slice system-serial\x2dgetty.slice. [ OK ] Created slice system-serial\x2dgetty.slice. [ 13.459721] systemd[1]: Created slice User and Session Slice. [ OK ] Created slice User and Session Slice. [ 13.475654] systemd[1]: Started Dispatch Password Requests to Console Directory Watch. [ OK ] Started Dispatch Password …ts to Console Directory Watch. [ 13.494629] systemd[1]: Started Forward Password Requests to Wall Directory Watch. [ OK ] Started Forward Password R…uests to Wall Directory Watch. [ 13.516659] systemd[1]: Set up automount Arbitrary Executable File Formats File System Automount Point. [ OK ] Set up automount Arbitrary…s File System Automount Point. [ 13.539509] systemd[1]: Reached target Local Encrypted Volumes. [ OK ] Reached target Local Encrypted Volumes. [ 13.555431] systemd[1]: Reached target Paths. [ OK ] Reached target Paths. [ 13.566370] systemd[1]: Reached target Remote File Systems. [ OK ] Reached target Remote File Systems. [ 13.582449] systemd[1]: Reached target Slices. [ OK ] Reached target Slices. [ 13.593384] systemd[1]: Reached target Swap. [ OK ] Reached target Swap. [ 13.604837] systemd[1]: Listening on initctl Compatibility Named Pipe. [ OK ] Listening on initctl Compatibility Named Pipe. [ 13.622683] systemd[1]: Listening on Journal Audit Socket. [ OK ] Listening on Journal Audit Socket. [ 13.639519] systemd[1]: Listening on Journal Socket (/dev/log). [ OK ] Listening on Journal Socket (/dev/log). [ 13.656056] systemd[1]: Listening on Journal Socket. [ OK ] Listening on Journal Socket. [ 13.671590] systemd[1]: Listening on Network Service Netlink Socket. [ OK ] Listening on Network Service Netlink Socket. [ 13.690522] systemd[1]: Listening on udev Control Socket. [ OK ] Listening on udev Control Socket. [ 13.706930] systemd[1]: Listening on udev Kernel Socket. [ OK ] Listening on udev Kernel Socket. [ 13.725257] systemd[1]: Mounting Huge Pages File System... Mounting Huge Pages File System... [ 13.742845] systemd[1]: Mounting POSIX Message Queue File System... Mounting POSIX Message Queue File System... [ 13.761502] systemd[1]: Mounting Kernel Debug File System... Mounting Kernel Debug File System... [ 13.778387] systemd[1]: Mounting Kernel Trace File System... Mounting Kernel Trace File System... [ 13.801702] systemd[1]: Starting Create list of static device nodes for the current kernel... Starting Create list of st…odes for the current kernel... [ 13.823406] systemd[1]: Starting Load Kernel Module configfs... Starting Load Kernel Module configfs... [ 13.840126] systemd[1]: Starting Load Kernel Module drm... Starting Load Kernel Module drm... [ 13.856151] systemd[1]: Starting Load Kernel Module fuse... Starting Load Kernel Module fuse... [ 13.893866] systemd[1]: Condition check resulted in Set Up Additional Binary Formats being skipped. [ 13.904321] fuse: init (API version 7.32) [ 13.910571] systemd[1]: Starting Journal Service... Starting Journal Service... [ 13.927419] systemd[1]: Starting Load Kernel Modules... Starting Load Kernel Modules... [ 13.940772] systemd[1]: Starting Remount Root and Kernel File Systems... Starting Remount Root and Kernel File Systems... [ 13.959697] systemd[1]: Starting Coldplug All udev Devices... Starting Coldplug All udev Devices... [ 13.978618] systemd[1]: Mounted Huge Pages File System. [ OK ] Mounted Huge Pages File System. [ 13.993879] systemd[1]: Mounted POSIX Message Queue File System. [ OK ] Mounted POSIX Message Queue File System. [ 14.010385] systemd[1]: Mounted Kernel Debug File System. [ OK ] Mounted Kernel Debug File System. [ 14.025398] systemd[1]: Mounted Kernel Trace File System. [ OK ] Mounted Kernel Trace File System. [ 14.042340] systemd[1]: Finished Create list of static device nodes for the current kernel. [ OK ] Finished Create list of st… nodes for the current kernel. [ 14.062691] systemd[1]: modprobe@configfs.service: Succeeded. [ 14.070568] systemd[1]: Finished Load Kernel Module configfs. [ OK ] Finished Load Kernel Module configfs. [ 14.087492] systemd[1]: modprobe@drm.service: Succeeded. [ 14.094566] systemd[1]: Finished Load Kernel Module drm. [ OK ] Finished Load Kernel Module drm. [ 14.109475] 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... [ 14.210085] systemd-journald[207]: Received client request to flush runtime journal. Starting Create System Users... [ 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. Starting Create Static Device Nodes in /dev... [ OK ] Finished Flush Journal to Persistent Storage. [ 15.738819] 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. Starting Load/Save Screen …f backlight:intel_backlight... Starting Load/Save Screen …eds:chromeos::kbd_backlight... [ OK ] Listening on Load/Save RF …itch Status /dev/rfkill Watch. [ OK ] Finished Load/Save Screen … leds:chromeos::kbd_backlight. [ OK ] Finished Load/Save Screen … of backlight:intel_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 5.10.173-cip27 #1 SMP Sun Mar 12 07:45:06 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/9568396/extract-nfsrootfs-vzqianvc' export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/9568396/extract-nfsrootfs-vzqianvc' / # 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-9568396/environment . /lava-9568396/environment / # /lava-9568396/bin/lava-test-runner /lava-9568396/0 /lava-9568396/bin/lava-test-runner /lava-9568396/0 + export TESTRUN_ID=0_timesync-off + TESTRUN_ID=0_timesync-off + cd /lava-9568396/0/tests/0_timesync-off ++ cat uuid + UUID=9568396_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-9568396/0/tests/1_kselftest-lkdtm ++ cat uuid + UUID=9568396_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/v5.10.168-cip27-638-g0d599cd2b6695/x86_64/x86_64_defconfig+x86-chromebook+kselftest/gcc-10/kselftest.tar.xz -L '' -S skipfile-lkft.yaml -b asus-C433TA-AJ0005-rammus -g cip-gitlab -e '' -p /opt/kselftests/mainline/ -n 1 -i 1 INFO: Generating a skipfile based on /lava-9568396/0/tests/1_kselftest-lkdtm/automated/linux/kselftest/skipfile-lkft.yaml INFO: Using the following generated skipfile contents (until EOF): breakpoints:breakpoint_test breakpoints:step_after_suspend_test net:rtnetlink.sh net:tls netfilter:bridge_brouter.sh netfilter:nft_flowtable.sh netfilter:nft_trans_stress.sh pidfd:pidfd_wait INFO: EOF INFO: install_deps skipped --2023-03-12 07:58:08-- http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.168-cip27-638-g0d599cd2b6695/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: 3379400 (3.2M) [application/octet-stream] Saving to: 'kselftest.tar.xz' kselftest.tar.xz 0%[ ] 0 --.-KB/s kselftest.tar.xz 1%[ ] 50.15K 168KB/s kselftest.tar.xz 6%[> ] 219.84K 366KB/s kselftest.tar.xz 26%[====> ] 890.59K 1.09MB/s kselftest.tar.xz 41%[=======> ] 1.34M 1.20MB/s kselftest.tar.xz 94%[=================> ] 3.06M 2.16MB/s kselftest.tar.xz 100%[===================>] 3.22M 2.05MB/s in 1.6s 2023-03-12 07:58:11 (2.05 MB/s) - 'kselftest.tar.xz' saved [3379400/3379400] skiplist: ======================================== breakpoints:breakpoint_test breakpoints:step_after_suspend_test net:rtnetlink.sh net:tls netfilter:bridge_brouter.sh netfilter:nft_flowtable.sh netfilter:nft_trans_stress.sh pidfd:pidfd_wait ======================================== 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 [ 30.892489] kselftest: Running tests in lkdtm Tests to run =============== 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 [ 31.059979] lkdtm: Performing direct entry BUG [ 31.065037] ------------[ cut here ]------------ [ 31.070217] kernel BUG at drivers/misc/lkdtm/bugs.c:76! [ 31.076073] invalid opcode: 0000 [#1] SMP PTI [ 31.080946] CPU: 2 PID: 649 Comm: cat Tainted: G W 5.10.173-cip27 #1 [ 31.089497] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 31.096304] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 31.100687] Code: 89 ff e8 ae 5b a2 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 90 8d 9f 02 [ 31.121667] RSP: 0018:ffff9b2f41357e60 EFLAGS: 00010286 [ 31.127510] RAX: ffffffff9e4f5960 RBX: 0000000000000001 RCX: 0000000000000000 [ 31.135469] RDX: 0000000000000000 RSI: ffff8ae6fad1bf70 RDI: ffffffff9f2d5a70 [ 31.143436] RBP: ffffffff9f733438 R08: 0000000000000001 R09: 0000000000000001 [ 31.151407] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 31.159367] R13: ffff9b2f41357f10 R14: ffff9b2f41357f10 R15: ffff8ae683363000 [ 31.167329] FS: 00007f11a4f86580(0000) GS:ffff8ae6fad00000(0000) knlGS:0000000000000000 [ 31.176356] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 31.182770] CR2: 00007f11a4d8f000 CR3: 000000010374e005 CR4: 00000000003706e0 [ 31.190739] Call Trace: [ 31.193465] direct_entry.cold+0x2c/0x38 [ 31.197844] full_proxy_write+0x53/0x80 [ 31.202130] vfs_write+0xe7/0x3b0 [ 31.205829] ksys_write+0x68/0xf0 [ 31.209528] do_syscall_64+0x30/0x40 [ 31.213518] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 31.219157] RIP: 0033:0x7f11a4e9c833 [ 31.223144] 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 [ 31.244125] RSP: 002b:00007fffc67b1048 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 31.252581] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f11a4e9c833 [ 31.260541] RDX: 0000000000000004 RSI: 00007f11a4d8f000 RDI: 0000000000000001 [ 31.268502] RBP: 00007f11a4d8f000 R08: 00007f11a4d8e010 R09: 0000000000000000 [ 31.276463] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 31.284431] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 31.292406] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger cros_ec_sysfs uvcvideo cros_ec_sensorhub videobuf2_vmalloc cros_ec_chardev videobuf2_memops cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table [ 31.339982] gsmi: Log Shutdown Reason 0x03 [ 31.344570] ---[ end trace b9cc279d67662a98 ]--- [ 31.349752] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 31.354138] Code: 89 ff e8 ae 5b a2 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 90 8d 9f 02 [ 31.375132] RSP: 0018:ffff9b2f41357e60 EFLAGS: 00010286 [ 31.380999] RAX: ffffffff9e4f5960 RBX: 0000000000000001 RCX: 0000000000000000 [ 31.389001] RDX: 0000000000000000 RSI: ffff8ae6fad1bf70 RDI: ffffffff9f2d5a70 [ 31.396973] RBP: ffffffff9f733438 R08: 0000000000000001 R09: 0000000000000001 [ 31.404944] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 31.412916] R13: ffff9b2f41357f10 R14: ffff9b2f41357f10 R15: ffff8ae683363000 [ 31.420918] FS: 00007f11a4f86580(0000) GS:ffff8ae6fad00000(0000) knlGS:0000000000000000 [ 31.429987] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 31.436405] CR2: 00007f11a4d8f000 CR3: 000000010374e005 CR4: 00000000003706e0 # Segmentation fault # [ 31.059979] lkdtm: Performing direct entry BUG # [ 31.065037] ------------[ cut here ]------------ # [ 31.070217] kernel BUG at drivers/misc/lkdtm/bugs.c:76! # [ 31.076073] invalid opcode: 0000 [#1] SMP PTI # [ 31.080946] CPU: 2 PID: 649 Comm: cat Tainted: G W 5.10.173-cip27 #1 # [ 31.089497] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 31.096304] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 31.100687] Code: 89 ff e8 ae 5b a2 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 90 8d 9f 02 [ 31.517789] lkdtm: Performing direct entry WARNING [ 31.525545] ------------[ cut here ]------------ [ 31.530716] WARNING: CPU: 3 PID: 686 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x13/0x20 # [ 31.121667] RSP: 0018:ffff9b2f41357e60 EFLAGS: 00010286 #[ 31.540151] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger cros_ec_sysfs uvcvideo cros_ec_sensorhub videobuf2_vmalloc cros_ec_chardev videobuf2_memops cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table [ 31.592051] CPU: 3 PID: 686 Comm: cat Tainted: G D W 5.10.173-cip27 #1 [ 31.600630] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 31.127510] RAX: ffffffff9e4f5960 RBX: 0000000000000001 RCX:[ 31.607440] RIP: 0010:lkdtm_WARNING+0x13/0x20 [ 31.618523] 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 90 8d 9f 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 71 8d [ 31.639539] RSP: 0018:ffff9b2f413c7e60 EFLAGS: 00010202 [ 31.645377] RAX: ffffffff9e4f5970 RBX: 0000000000000002 RCX: 0000000000000000 [ 31.653349] RDX: 0000000000000000 RSI: ffff8ae6fad9bf70 RDI: ffffffff9f2d5a80 [ 31.661345] RBP: ffffffff9f6cecf7 R08: 0000000000000000 R09: 0000000000000000 0000000000000000 # [ 31.135469] RDX: 0000000000000000 RSI: f[ 31.669329] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000008 [ 31.683507] R13: ffff9b2f413c7f10 R14: ffff9b2f413c7f10 R15: ffff8ae683747000 [ 31.691478] FS: 00007fba9f983580(0000) GS:ffff8ae6fad80000(0000) knlGS:0000000000000000 [ 31.700519] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 31.706939] CR2: 00007fba9f78c000 CR3: 0000000106e86005 CR4: 00000000003706e0 [ 31.714932] Call Trace: [ 31.717664] direct_entry.cold+0x2c/0x38 [ 31.722078] full_proxy_write+0x53/0x80 fff8ae6fad1bf70 RDI: ffffffff9f2d5a70 # [ 31.143436] RBP: fff[ 31.726389] vfs_write+0xe7/0x3b0 [ 31.736297] ksys_write+0x68/0xf0 [ 31.740029] do_syscall_64+0x30/0x40 [ 31.744047] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 31.749724] RIP: 0033:0x7fba9f899833 [ 31.753707] 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 [ 31.774693] RSP: 002b:00007fff5e5529b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 31.783153] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007fba9f899833 [ 31.791125] RDX: 0000000000000008 RSI: 00007fba9f78c000 RDI: 0000000000000001 [ 31.799098] RBP: 00007fba9f78c000 R08: 00007fba9f78b010 R09: 0000000000000000 [ 31.807071] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 31.815046] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 31.823024] irq event stamp: 0 fffff9f733438 R08: 0000000000000001 R09: 0000000000000001 # [ [ 31.826461] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 31.839669] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 31.848809] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 31.857945] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 31.864967] ---[ end trace b9cc279d67662a99 ]--- 31.151407] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 31.159367] R13: ffff9b2f41357f10 R14: ffff9b2f41357f10 R15: ffff8ae683363000 # [ 31.167329] FS: 00007f11a4f86580(0000) GS:ffff8ae6fad00000(0000) knlGS:0000000000000000 # [ 31.176356] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 31.182770] CR2: 00007f11a4d8f000 CR3: 000000010374e005 CR4: 00000000003706e0 # [ 31.190739] Call Trace: # [ 31.193465] direct_entry.cold+0x2c/0x38 # [ 31.197844] full_proxy_write+0x53/0x80 # [ 31.202130] vfs_write+0xe7/0x3b0 # [ 31.205829] ksys_write+0x68/0xf0 # [ 31.209528] do_syscall_64+0x30/0x40 # [ 31.213518] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 31.219157] RIP: 0033:0x7f11a4e9c833 # [ 31.223144] 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 # [ 31.244125] RSP: 002b:00007fffc67b1048 EFL[ 31.966867] lkdtm: Performing direct entry WARNING_MESSAGE [ 31.975691] ------------[ cut here ]------------ [ 31.980856] Warning message trigger count: 2 [ 31.985645] WARNING: CPU: 2 PID: 721 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30 AGS: 00000246 ORIG_RAX: 0000000000000001 # [ 31.252581] RAX: [ 31.995860] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger cros_ec_sysfs uvcvideo cros_ec_sensorhub videobuf2_vmalloc cros_ec_chardev videobuf2_memops cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table [ 32.047762] CPU: 2 PID: 721 Comm: cat Tainted: G D W 5.10.173-cip27 #1 [ 32.056343] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 32.063150] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30 [ 32.068808] Code: cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 71 8d 9f 02 48 c7 c7 58 f2 6c 9f 8d 70 01 89 35 61 8d 9f 02 e8 4d 4d 65 00 <0f> 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 c7 [ 32.089797] RSP: 0018:ffff9b2f4143fe60 EFLAGS: 00010286 [ 32.095633] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 [ 32.103622] RDX: ffff8ae6fad2c660 RSI: ffff8ae6fad1bf70 RDI: ffff8ae6fad1bf70 [ 32.111596] RBP: ffffffff9f6cecff R08: 0000000000000000 R09: 0000000000000000 [ 32.119587] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010 [ 32.127557] R13: ffff9b2f4143ff10 R14: ffff9b2f4143ff10 R15: ffff8ae683794000 [ 32.135531] FS: 00007f974cb43580(0000) GS:ffff8ae6fad00000(0000) knlGS:0000000000000000 [ 32.144570] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 32.150988] CR2: 00007f974c94c000 CR3: 0000000105f5c002 CR4: 00000000003706e0 [ 32.158959] Call Trace: [ 32.161689] direct_entry.cold+0x2c/0x38 [ 32.166100] full_proxy_write+0x53/0x80 ffffffffffffffda RBX: 0000000000000004 RCX: 00007f11a4e9c833 # [ 32.170410] vfs_write+0xe7/0x3b0 [ 32.180321] ksys_write+0x68/0xf0 [ 32.184052] do_syscall_64+0x30/0x40 [ 32.188068] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 32.193734] RIP: 0033:0x7f974ca59833 [ 32.197724] 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 [ 32.218708] RSP: 002b:00007ffe491666f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 32.227164] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007f974ca59833 [ 32.235136] RDX: 0000000000000010 RSI: 00007f974c94c000 RDI: 0000000000000001 [ 31.260541] RDX: 0000000000000004 RSI: 00007f11a4d8f000 RDI: [ 32.243112] RBP: 00007f974c94c000 R08: 00007f974c94b010 R09: 0000000000000000 [ 32.257296] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 0000000000000001 # [ 31.268502] RBP: 00007f11a4d8f000 R08: 00[ 32.265269] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 32.279472] irq event stamp: 0 007f11a4d8e010 R09: 0000000000000000 # [ 31.276463] R10: ffff[ 32.282888] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 32.296102] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 32.305239] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 32.314377] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 32.321377] ---[ end trace b9cc279d67662a9a ]--- fffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 31.284431] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 31.292406] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger cros_ec_sysfs uvcvideo cros_ec_sensorhub videobuf2_vmalloc cros_ec_chardev videobuf2_memops cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 31.339982] gsmi: Log Shutdown Reason 0x03 # [ 31.344570] ---[ end trace b9cc279d67662a98 ]--- # [ 31.349752] RIP: 0010:lkdtm_BUG+0x5/0x10 # [[ 32.395472] lkdtm: Performing direct entry EXCEPTION [ 32.406714] BUG: kernel NULL pointer dereference, address: 0000000000000000 31.354138] Code: 89 ff e8 ae 5b a2 ff 48 c7 c0 ea ff ff ff eb[ 32.414499] #PF: supervisor write access in kernel mode [ 32.426542] #PF: error_code(0x0002) - not-present page [ 32.432277] PGD 0 P4D 0 [ 32.435101] Oops: 0002 [#2] SMP PTI [ 32.438993] CPU: 2 PID: 753 Comm: cat Tainted: G D W 5.10.173-cip27 #1 [ 32.447535] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 32.454340] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20 [ 32.459300] Code: 48 c7 c7 58 f2 6c 9f 8d 70 01 89 35 61 8d 9f 02 e8 4d 4d 65 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 [ 32.480269] RSP: 0018:ffff9b2f41497e60 EFLAGS: 00010286 [ 32.486103] RAX: ffffffff9e4f59c0 RBX: 0000000000000004 RCX: 0000000000000000 [ 32.494070] RDX: 0000000000000000 RSI: ffff8ae6fad1bf70 RDI: ffffffff9f2d5aa0 [ 32.502038] RBP: ffffffff9f6025ff R08: 0000000000000000 R09: 0000000000000000 [ 32.510006] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a [ 32.517975] R13: ffff9b2f41497f10 R14: ffff9b2f41497f10 R15: ffff8ae683657000 [ 32.525941] FS: 00007f08584df580(0000) GS:ffff8ae6fad00000(0000) knlGS:0000000000000000 [ 32.534978] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 32.541392] CR2: 0000000000000000 CR3: 000000010335c006 CR4: 00000000003706e0 [ 32.549361] Call Trace: [ 32.552089] direct_entry.cold+0x2c/0x38 [ 32.556468] full_proxy_write+0x53/0x80 [ 32.560748] vfs_write+0xe7/0x3b0 [ 32.564446] ksys_write+0x68/0xf0 [ 32.568148] do_syscall_64+0x30/0x40 [ 32.572137] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 32.577766] RIP: 0033:0x7f08583f5833 [ 32.581755] 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 [ 32.602742] RSP: 002b:00007ffda66777b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 32.611188] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f08583f5833 [ 32.619157] RDX: 000000000000000a RSI: 00007f08582e8000 RDI: 0000000000000001 [ 32.627127] RBP: 00007f08582e8000 R08: 00007f08582e7010 R09: 0000000000000000 [ 32.635096] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 32.643063] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb [ 32.651037] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger cros_ec_sysfs uvcvideo cros_ec_sensorhub videobuf2_vmalloc cros_ec_chardev videobuf2_memops cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table [ 32.702938] CR2: 0000000000000000 [ 32.706635] ---[ end trace b9cc279d67662a9b ]--- [ 32.711782] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 32.716159] Code: 89 ff e8 ae 5b a2 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 90 8d 9f 02 [ 32.737131] RSP: 0018:ffff9b2f41357e60 EFLAGS: 00010286 [ 32.742964] RAX: ffffffff9e4f5960 RBX: 0000000000000001 RCX: 0000000000000000 [ 32.750934] RDX: 0000000000000000 RSI: ffff8ae6fad1bf70 RDI: ffffffff9f2d5a70 [ 32.758903] RBP: ffffffff9f733438 R08: 0000000000000001 R09: 0000000000000001 [ 32.766871] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 32.774841] R13: ffff9b2f41357f10 R14: ffff9b2f41357f10 R15: ffff8ae683363000 [ 32.782803] FS: 00007f08584df580(0000) GS:ffff8ae6fad00000(0000) knlGS:0000000000000000 [ 32.791832] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 32.798248] CR2: 0000000000000000 CR3: 000000010335c006 CR4: 00000000003706e0 [ 32.806218] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 32.816128] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 753, name: cat [ 32.824485] INFO: lockdep is turned off. [ 32.828862] irq event stamp: 0 [ 32.832266] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 32.839265] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 32.848399] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 32.857534] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 32.864532] CPU: 2 PID: 753 Comm: cat Tainted: G D W 5.10.173-cip27 #1 [ 32.873084] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 32.879887] Call Trace: [ 32.882614] dump_stack+0x77/0x9b [ 32.886314] ___might_sleep.cold+0xa6/0xb6 c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00[ 32.890887] exit_signals+0x1c/0x300 [ 32.901087] do_exit+0xc2/0xb00 [ 32.904591] ? ksys_write+0x68/0xf0 [ 32.908483] make_task_dead+0x2f/0x30 [ 32.912561] rewind_stack_and_make_dead+0x17/0x20 [ 32.917811] RIP: 0033:0x7f08583f5833 [ 32.921797] 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 [ 32.942776] RSP: 002b:00007ffda66777b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 32.951230] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f08583f5833 [ 32.959198] RDX: 000000000000000a RSI: 00007f08582e8000 RDI: 0000000000000001 [ 32.967166] RBP: 00007f08582e8000 R08: 00007f08582e7010 R09: 0000000000000000 [ 32.975134] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 32.983102] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 00 83 05 90 8d 9f 02 # [ 31.375132] RSP: 0018:ffff9b2f41357e60 EFLAGS: 00010286 # [ 31.380999] RAX: ffffffff9e4f5960 RBX: 0000000000000001 RCX: 0000000000000000 # [ 31.389001] RDX: 0000000000000000 RSI: ffff8ae6fad1bf70 RDI: ffffffff9f2d5a70 # [ 31.396973] RBP: ffffffff9f733438 R08: 0000000000000001 R09: 0000000000000001 # [ 31.404944] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 31.412916] R13: ffff9b2f41357f10 R14: ffff9b2f41357f10 R15: ffff8ae683363000 # [ 31.420918] FS: 00007f11a4f86580(0000) GS:ffff8ae6fad00000(0000) knlGS:0000000000000000 # [ 31.429987] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 31.436405] CR2: 00007f11a4d8f000 CR3: 000000010374e005 CR4: 00000000003706e0 # BUG: saw 'kernel BUG at': ok ok 2 selftests: lkdtm: BUG.sh # selftests: lkdtm: WARNING.sh # [ 31.517789] lkdtm: Performing direct entry WARNING # [ 31.525545] ------------[ cut here ]------------ # [ 31.530716] WARNING: CPU: 3 PID: 686 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x13/0x20 # [ 31.540151] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger cros_ec_sysfs uvcvideo cros_ec_sensorhub videobuf2_vmalloc cros_ec_chardev videobuf2_memops cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 31.592051] CPU: 3 PID: 686 Comm: cat Tainted: G D W 5.10.173-cip27 #1 # [ 31.600630] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 31.607440] RIP: 0010:lkdtm_WARNING+0x13/0x20 # [ 31.618523] 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 90 8d 9f 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 71 8d # [ 31.639539] RSP: 0018:ffff9b2f413c7e60 EFLAGS: 00010202 # [ 31.645377] RAX: ffffffff9e4f5970 RBX: 0000000000000002 RCX: 0000000000000000 # [ [ 33.193466] lkdtm: Performing direct entry CORRUPT_LIST_ADD [ 33.202448] lkdtm: attempting good list addition [ 33.207641] lkdtm: attempting corrupted list addition [ 33.213316] lkdtm: list_add() corruption not detected! 31.653349] RDX: 0000000000000000 RSI: ffff8ae6fad9bf70 RDI: ffffffff9f2d5a80 # [ 31.661345] RBP: ffffffff9f6cecf7 R08: 0000000000000000 R09: 0000000000000000 # [ 31.669329] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000008 # [ 31.683507] R13: ffff9b2f413c7f10 R14: ffff9b2f413c7f10 R15: ffff8ae683747000 # [ 31.691478] FS: 00007fba9f983580(0000) GS:ffff8ae6fad80000(0000) knlGS:0000000000000000 # [ 31.700519] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 31.706939] CR2: 00007fba9f78c000 CR3: 0000000106e86005 CR4: 00000000003706e0 # [ 31.714932] Call Trace: # [ 31.717664] direct_entry.cold+0x2c/0x38 # [ 31.722078] full_proxy_write+0x53/0x80 # [ 31.726389] vfs_write+0xe7/0x3b0 # [ 31.736297] ksys_write+0x68/0xf0 # [ 31.740029] do_syscall_64+0x30/0x40 # [ 31.744047] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 31.74[ 33.302337] lkdtm: Performing direct entry CORRUPT_LIST_DEL [ 33.312356] lkdtm: attempting good list removal [ 33.317433] lkdtm: attempting corrupted list removal 9724] RIP: 0033:0x7fba9f899833 # [ 31.753707] Code: 8b 15 61 [ 33.322990] lkdtm: list_del() corruption not detected! 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 # [ 31.774693] RSP: 002b:00007fff5e5529b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 31.783153] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007fba9f899833 # [ 31.791125] RDX: 0000000000000008 RSI: 00007fba9f78c000 RDI: 0000000000000001 # [ 31.799098] RBP: 00007fba9f78c000 R08: 00007fba9f78b010 R09: 0000000000000000 # [ 31.807071] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 31.815046] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 31.823024] irq event stamp: 0 # [ 31.826461] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 31.839669] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 31.848809] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 31.857945] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 31.864967] ---[ end trace b9cc279d67662a99 ]--- # WARNING: saw 'WARNING:': ok ok 3 selftests: lkdtm: WARNING.sh # selftests: lkdtm: WARNING_MESSAGE.sh # [ 31.966867] lkdtm: Performing direct entry[ 33.456536] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING [ 33.466251] lkdtm: attempting bad read from page below current stack [ 33.473362] BUG: stack guard page was hit at 0000000017e167d0 (stack is 000000004f9511ee..000000001aafd7f1) [ 33.484254] kernel stack overflow (page fault): 0000 [#3] SMP PTI WARNING_MESSAGE # [ 31.975691] ------------[ cut here ]-----[ 33.491059] CPU: 2 PID: 978 Comm: cat Tainted: G D W 5.10.173-cip27 #1 [ 33.505821] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 33.512626] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a [ 33.519139] Code: cc cc cc 0f 1f 44 00 00 53 48 c7 c7 f8 f5 6c 9f 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 33 98 fd ff 48 c7 c7 38 f6 6c 9f <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 19 98 fd ff 0f 1f 44 [ 33.540118] RSP: 0018:ffff9b2f417efe50 EFLAGS: 00010246 [ 33.545951] RAX: 0000000000000038 RBX: ffff9b2f417ec000 RCX: 0000000000000000 [ 33.553920] RDX: 0000000000000000 RSI: ffff8ae6fad1bf70 RDI: ffffffff9f6cf638 [ 33.561888] RBP: ffffffff9f6ced62 R08: 0000000000000000 R09: 0000000000000000 [ 33.569855] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019 [ 33.577823] R13: ffff9b2f417eff10 R14: ffff9b2f417eff10 R15: ffff8ae6846db000 [ 33.585791] FS: 00007fce2f333580(0000) GS:ffff8ae6fad00000(0000) knlGS:0000000000000000 [ 33.594828] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 33.601241] CR2: ffff9b2f417ebfff CR3: 000000010497a001 CR4: 00000000003706e0 [ 33.609208] Call Trace: [ 33.611935] ? lkdtm_CORRUPT_LIST_DEL+0xe0/0xe0 [ 33.617005] direct_entry.cold+0x2c/0x38 [ 33.621383] full_proxy_write+0x53/0x80 [ 33.625663] vfs_write+0xe7/0x3b0 [ 33.629360] ksys_write+0x68/0xf0 [ 33.633049] do_syscall_64+0x30/0x40 [ 33.637036] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 33.642676] RIP: 0033:0x7fce2f249833 [ 33.646663] 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 [ 33.667641] RSP: 002b:00007ffeebb852d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 33.676095] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007fce2f249833 [ 33.684062] RDX: 0000000000000019 RSI: 00007fce2f13c000 RDI: 0000000000000001 [ 33.692029] RBP: 00007fce2f13c000 R08: 00007fce2f13b010 R09: 0000000000000000 [ 33.699997] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 33.707963] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ------- # [ 31.980856] Warning message trigger count: 2 # [ [ 33.715935] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger cros_ec_sysfs uvcvideo cros_ec_sensorhub videobuf2_vmalloc cros_ec_chardev videobuf2_memops cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table [ 33.767834] ---[ end trace b9cc279d67662a9c ]--- [ 33.772988] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 33.777364] Code: 89 ff e8 ae 5b a2 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 90 8d 9f 02 [ 33.798343] RSP: 0018:ffff9b2f41357e60 EFLAGS: 00010286 [ 33.804188] RAX: ffffffff9e4f5960 RBX: 0000000000000001 RCX: 0000000000000000 [ 33.812154] RDX: 0000000000000000 RSI: ffff8ae6fad1bf70 RDI: ffffffff9f2d5a70 [ 33.820122] RBP: ffffffff9f733438 R08: 0000000000000001 R09: 0000000000000001 [ 33.828089] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 33.836058] R13: ffff9b2f41357f10 R14: ffff9b2f41357f10 R15: ffff8ae683363000 [ 33.844027] FS: 00007fce2f333580(0000) GS:ffff8ae6fad00000(0000) knlGS:0000000000000000 [ 33.853063] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 33.859478] CR2: ffff9b2f417ebfff CR3: 000000010497a001 CR4: 00000000003706e0 [ 33.867447] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 33.877357] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 978, name: cat [ 33.885714] INFO: lockdep is turned off. [ 33.890089] irq event stamp: 0 [ 33.893493] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 33.900491] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 33.909640] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 33.918770] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 33.925767] CPU: 2 PID: 978 Comm: cat Tainted: G D W 5.10.173-cip27 #1 [ 33.934318] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 33.941122] Call Trace: [ 33.943849] dump_stack+0x77/0x9b [ 33.947545] ___might_sleep.cold+0xa6/0xb6 [ 33.952116] exit_signals+0x1c/0x300 [ 33.956105] do_exit+0xc2/0xb00 [ 33.959607] ? ksys_write+0x68/0xf0 [ 33.963499] make_task_dead+0x2f/0x30 [ 33.967585] rewind_stack_and_make_dead+0x17/0x20 [ 33.972833] RIP: 0033:0x7fce2f249833 [ 33.976821] 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 [ 33.997802] RSP: 002b:00007ffeebb852d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 34.006255] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007fce2f249833 [ 34.014235] RDX: 0000000000000019 RSI: 00007fce2f13c000 RDI: 0000000000000001 [ 34.022234] RBP: 00007fce2f13c000 R08: 00007fce2f13b010 R09: 0000000000000000 [ 34.030201] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 34.038169] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 31.985645] WARNING: CPU: 2 PID: 721 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 31.995860] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger cros_ec_sysfs uvcvideo cros_ec_sensorhub videobuf2_vmalloc cros_ec_chardev videobuf2_memops cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 32.047762] CPU: 2 PID: 721 Comm: cat Tainted: G D W 5.10.173-cip27 #1 # [ 32.056343] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 32.063150] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 32.068808] Code: cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 71 8d 9f 02 48 c7 c7 58 f2 6c 9f 8d 70 01 89 35 61 8d 9f 02 e8 4d 4d 65 00 <0f> 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 c7 # [ 32.089797] RSP: 0018:ffff9b2f4143fe60 EFLAGS: 00010286 # [ 32.095633] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 # [ 32.103622] RDX: ffff8ae6fad2c660 RSI: ffff8ae6fad1bf70 RDI: ffff8ae6fad1bf70 # [ 32.111596] RBP: ffffffff9f6cecff R08: 0000000000000000 R09: 0000000000000000 # [ 32.119587[ 34.175514] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING [ 34.183802] lkdtm: attempting bad read from page above current stack [ 34.190913] BUG: stack guard page was hit at 000000008263dcb0 (stack is 00000000567cc724..0000000045fd19ce) [ 34.201803] kernel stack overflow (page fault): 0000 [#4] SMP PTI [ 34.208608] CPU: 2 PID: 1011 Comm: cat Tainted: G D W 5.10.173-cip27 #1 [ 34.217248] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 34.224054] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILING+0x27/0x3d [ 34.230664] Code: 98 fd ff 0f 1f 44 00 00 53 48 c7 c7 70 f6 6c 9f 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 f9 97 fd ff 48 c7 c7 b0 f6 6c 9f <8a> 83 00 40 00 00 88 44 24 07 0f b6 74 24 07 5a 5b e9 dc 97 fd ff [ 34.251646] RSP: 0018:ffff9b2f4187fe50 EFLAGS: 00010246 [ 34.257469] RAX: 0000000000000038 RBX: ffff9b2f4187c000 RCX: 0000000000000000 [ 34.265438] RDX: 0000000000000000 RSI: ffff8ae6fad1bf70 RDI: ffffffff9f6cf6b0 [ 34.273406] RBP: ffffffff9f6ced7b R08: 0000000000000000 R09: 0000000000000000 [ 34.281373] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001a [ 34.289341] R13: ffff9b2f4187ff10 R14: ffff9b2f4187ff10 R15: ffff8ae683766000 [ 34.297309] FS: 00007f9c685d9580(0000) GS:ffff8ae6fad00000(0000) knlGS:0000000000000000 [ 34.306345] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 34.312760] CR2: ffff9b2f41880000 CR3: 0000000106e86006 CR4: 00000000003706e0 [ 34.320728] Call Trace: [ 34.323454] ? lkdtm_STACK_GUARD_PAGE_LEADING+0x3a/0x3a [ 34.329288] direct_entry.cold+0x2c/0x38 [ 34.333657] full_proxy_write+0x53/0x80 [ 34.337939] vfs_write+0xe7/0x3b0 [ 34.341635] ksys_write+0x68/0xf0 [ 34.345333] do_syscall_64+0x30/0x40 [ 34.349321] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 34.354951] RIP: 0033:0x7f9c684ef833 [ 34.358939] 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 [ 34.379920] RSP: 002b:00007fff38fc90b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 34.388374] RAX: ffffffffffffffda RBX: 000000000000001a RCX: 00007f9c684ef833 [ 34.396341] RDX: 000000000000001a RSI: 00007f9c683e2000 RDI: 0000000000000001 [ 34.404310] RBP: 00007f9c683e2000 R08: 00007f9c683e1010 R09: 0000000000000000 [ 34.412276] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 34.420245] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000[ 34.428216] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger cros_ec_sysfs uvcvideo cros_ec_sensorhub videobuf2_vmalloc cros_ec_chardev videobuf2_memops cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table [ 34.480116] ---[ end trace b9cc279d67662a9d ]--- [ 34.485277] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 34.489656] Code: 89 ff e8 ae 5b a2 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 90 8d 9f 02 [ 34.510626] RSP: 0018:ffff9b2f41357e60 EFLAGS: 00010286 [ 34.516460] RAX: ffffffff9e4f5960 RBX: 0000000000000001 RCX: 0000000000000000 [ 34.524427] RDX: 0000000000000000 RSI: ffff8ae6fad1bf70 RDI: ffffffff9f2d5a70 [ 34.532397] RBP: ffffffff9f733438 R08: 0000000000000001 R09: 0000000000000001 [ 34.540367] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 34.548334] R13: ffff9b2f41357f10 R14: ffff9b2f41357f10 R15: ffff8ae683363000 [ 34.556302] FS: 00007f9c685d9580(0000) GS:ffff8ae6fad00000(0000) knlGS:0000000000000000 [ 34.565339] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 34.571755] CR2: ffff9b2f41880000 CR3: 0000000106e86006 CR4: 00000000003706e0 010 # [ 32.127557] R13: ffff9b2f4143ff10 R14: ffff9b2f4143ff10 R15: ffff8ae683794000 # [ 32.135531] FS: 00007f974cb43580(0000) GS:ffff8ae6fad00000(0000) knlGS:0000000000000000 # [ 32.144570] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 32.150988] CR2: 00007f974c94c000 CR3: 0000000105f5c002 CR4: 00000000003706e0 # [ 32.158959] Call Trace: # [ 32.161689] direct_entry.cold+0x2c/0x38 # [ 32.166100] full_proxy_write+0x53/0x80 # [ 32.170410] vfs_write+0xe7/0x3b0 # [ 32.180321] ksys_write+0x68/0xf0 # [ 32.184052] do_syscall_64+0x30/0x40 # [ 32.188068] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 32.193734] RIP: 0033:0x7f974ca59833 # [ 32.197724] 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 0[ 34.659384] lkdtm: Performing direct entry UNSET_SMEP 5 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 [ 34.666218] lkdtm: trying to clear SMEP normally 24 18 # [ 32.218708] RSP: 002b:00007ffe491666f8 EFLAGS: 00000[ 34.677615] ------------[ cut here ]------------ 246 ORIG_RAX: 0000000000000001 # [ 32.227164] RAX: ffffffffff[ 34.688986] pinned CR4 bits changed: 0x100000!? ffffda RBX: 0000000000000010 RCX: 00007f974ca59833 # [ 32.235[ 34.700269] WARNING: CPU: 0 PID: 1047 at arch/x86/kernel/cpu/common.c:392 native_write_cr4+0x45/0x60 136] RDX: 0000000000000010 RSI: 00007f974c94c000 RDI: 0000000000[ 34.716677] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger cros_ec_sysfs uvcvideo cros_ec_sensorhub videobuf2_vmalloc cros_ec_chardev videobuf2_memops cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table 000001 # [ 32.243112] RBP: 00007f974c94c000 R08: 00007f974c94[ 34.768547] CPU: 0 PID: 1047 Comm: cat Tainted: G D W 5.10.173-cip27 #1 b010 R09: 0000000000000000 # [ 32.257296] R10: fffffffffffffb[ 34.783405] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 c5 R11: 0000000000000246 R12: 0000000000000001 # [ 32.265269][ 34.796435] RIP: 0010:native_write_cr4+0x45/0x60 R13: 0000000000000001 R14: 0000000000020000 R15: 00000000000200[ 34.807801] Code: 39 c2 75 2d 48 85 f6 75 05 c3 cc cc cc cc 80 3d 29 d9 e3 01 00 75 f2 48 c7 c7 18 c6 60 9f c6 05 19 d9 e3 01 01 e8 c8 6f e8 00 <0f> 0b c3 cc cc cc cc 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09 00 # [ 32.279472] irq event stamp: 0 # [ 32.282888] hardir[ 34.835007] RSP: 0018:ffff9b2f418efe48 EFLAGS: 00010286 qs last enabled at (0): [<0000000000000000>] 0x0 # [ 32.2961[ 34.847061] RAX: 0000000000000000 RBX: 00000000002706f0 RCX: 0000000000000000 02] hardirqs last disabled at (0): [] copy_pro[ 34.861328] RDX: ffff8ae6fac2c660 RSI: ffff8ae6fac1bf70 RDI: ffff8ae6fac1bf70 cess+0x664/0x1cb0 # [ 32.305239] softirqs last enabled at (0[ 34.875447] RBP: ffffffff9f6ced95 R08: 0000000000000000 R09: 0000000000000000 ): [] copy_process+0x664/0x1cb0 # [ 32.3143[ 34.889723] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b 77] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [[ 34.903939] R13: ffff9b2f418eff10 R14: ffff9b2f418eff10 R15: ffff8ae6832d4000 32.321377] ---[ end trace b9cc279d67662a9a ]--- # WARNING_ME[ 34.918059] FS: 00007f6eb027f580(0000) GS:ffff8ae6fac00000(0000) knlGS:0000000000000000 SSAGE: saw 'message trigger': ok ok 4 selftests: lkdtm: WARNING[ 34.933310] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 _MESSAGE.sh # selftests: lkdtm: EXCEPTION.sh # Killed # [ 3[ 34.945951] CR2: 00007f6eb0088000 CR3: 0000000103c66004 CR4: 00000000003706f0 2.395472] lkdtm: Performing direct entry EXCEPTION # [ 32.406[ 34.960157] Call Trace: 714] BUG: kernel NULL pointer dereference, address: 000000000000[ 34.969114] lkdtm_UNSET_SMEP.cold+0x1d/0x103 0000 # [ 32.414499] #PF: supervisor write access in kernel mo[ 34.980246] direct_entry.cold+0x2c/0x38 de # [ 32.426542] #PF: error_code(0x0002) - not-present page [ 34.990765] full_proxy_write+0x53/0x80 # [ 32.432277] PGD 0 P4D 0 # [ 32.435101] Oops: 0002 [#2][ 35.001285] vfs_write+0xe7/0x3b0 SMP PTI # [ 32.438993] CPU: 2 PID: 753 Comm: cat Tainted: G [ 35.011207] ksys_write+0x68/0xf0 D W 5.10.173-cip27 #1 # [ 32.447535] Hardware na[ 35.021167] do_syscall_64+0x30/0x40 me: Google Rammus/Rammus, BIOS 09/04/2020 # [ 32.454340] RIP[ 35.031349] entry_SYSCALL_64_after_hwframe+0x61/0xc6 : 0010:lkdtm_EXCEPTION+0x5/0x20 # [ 32.459300] Code: 48 c7 c7[ 35.043187] RIP: 0033:0x7f6eb0195833 58 f2 6c 9f 8d 70 01 89 35 61 8d 9f 02 e8 4d 4d 65 00 0f 0b c3 [ 35.053415] 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 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 04 25[ 35.080615] RSP: 002b:00007ffdcc43ebe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 00 00 00 00 00 00 00 00 c3 cc cc cc cc 66 66 2e 0f 1f 84 # [ [ 35.095301] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f6eb0195833 32.480269] RSP: 0018:ffff9b2f41497e60 EFLAGS: 00010286 # [ 3[ 35.109482] RDX: 000000000000000b RSI: 00007f6eb0088000 RDI: 0000000000000001 2.486103] RAX: ffffffff9e4f59c0 RBX: 0000000000000004 RCX: 00000[ 35.123672] RBP: 00007f6eb0088000 R08: 00007f6eb0087010 R09: 0000000000000000 00000000000 # [ 32.494070] RDX: 0000000000000000 RSI: ffff8ae[ 35.137865] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 6fad1bf70 RDI: ffffffff9f2d5aa0 # [ 32.502038] RBP: ffffffff9[ 35.152070] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 f6025ff R08: 0000000000000000 R09: 0000000000000000 # [ 32.51[ 35.166245] irq event stamp: 0 0006] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000[ 35.175875] hardirqs last enabled at (0): [<0000000000000000>] 0x0 000000a # [ 32.517975] R13: ffff9b2f41497f10 R14: ffff9b2f414[ 35.189089] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 97f10 R15: ffff8ae683657000 # [ 32.525941] FS: 00007f08584df[ 35.204451] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 580(0000) GS:ffff8ae6fad00000(0000) knlGS:0000000000000000 # [ [ 35.219793] softirqs last disabled at (0): [<0000000000000000>] 0x0 32.534978] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 35.233022] ---[ end trace b9cc279d67662a9e ]--- # [ 32.541392] CR2: 0000000000000000 CR3: 000000010335c006 CR4[ 35.244386] lkdtm: ok: SMEP did not get cleared : 00000000003706e0 # [ 32.549361] Call Trace: # [ 32.55208[ 35.255679] lkdtm: trying to clear SMEP with call gadget 9] direct_entry.cold+0x2c/0x38 # [ 32.556468] full_proxy_wr[ 35.267819] lkdtm: ok: SMEP removal was reverted ite+0x53/0x80 # [ 32.560748] vfs_write+0xe7/0x3b0 # [ 32.564446] ksys_write+0x68/0xf0 # [ 32.568148] do_syscall_64+0x30/0x40 # [ 32.572137] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 32.577766] RIP: 0033:0x7f08583f5833 # [ 32.581755] 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 # [ 32.602742] RSP: 002b:00007ffda66777b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 32.611188] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f08583f5833 # [ 32.619157] RDX: 000000000000000a RSI: 00007f08582e8000 RDI: 0000000000000001 # [ 32.627127] RBP: 00007f08582e8000 R08: 00007f08582e7010 R09: 0000000000000000 # [ 32.635096] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 32.643[ 35.360211] lkdtm: Performing direct entry DOUBLE_FAULT [ 35.372020] lkdtm: XFAIL: this test is ia32-only 063] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 32.651037] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger cros_ec_sysfs uvcvideo cros_ec_sensorhub videobuf2_vmalloc cros_ec_chardev videobuf2_memops cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 32.702938] CR2: 0000000000000000 # [ 32.706635] ---[ end trace b9cc279d67662a9b ]--- # [ 32.711782] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 32.716159] Code: 89 ff e8 ae 5b a2 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 [ 35.451827] lkdtm: Performing direct entry CORRUPT_PAC 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 90 8d[ 35.463783] lkdtm: XFAIL: this test is arm64-only 9f 02 # [ 32.737131] RSP: 0018:ffff9b2f41357e60 EFLAGS: 00010286 # [ 32.742964] RAX: ffffffff9e4f5960 RBX: 0000000000000001 RCX: 0000000000000000 # [ 32.750934] RDX: 0000000000000000 RSI: ffff8ae6fad1bf70 RDI: ffffffff9f2d5a70 # [ 32.758903] RBP: ffffffff9f733438 R08: 0000000000000001 R09: 0000000000000001 # [ 32.766871] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 32.774841] R13: ffff9b2f41357f10 R14: ffff9b2f41357f10 R15: ffff8ae683363000 # [ 32.782803] FS: 00007f08584df580(0000) GS:ffff8ae6fad00000(0000) knlGS:0000000000000000 # [ 32.791832] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 32.798248] CR2: 0000000000000000 CR3: 000000010335c006 CR4: 00000000003706e0 # [ 32.806218] BUG: sleeping [ 35.547687] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE [ 35.556992] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 32.816128] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 753, name: cat # [ 32.824485] INFO: lockdep is turned off. # [ 32.828862] irq event stamp: 0 # [ 32.832266] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 32.839265] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 32.848399] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 32.857534] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 32.864532] CPU: 2 PID: 753 Comm: cat Tainted: G D W 5.10.173-cip27 #1 # [ 32.873084] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 32.879887] Call Trace: # [ 32.882614] dump_stack+0x77/0x9b # [ 32.886314] ___might_sleep.cold+0xa6/0xb6 # [ 32.890887] exit_signals+0x1c/0x300 # [ 32.901087] do_exit+0xc2/0xb00 # [ 32.904591] ? ksys_write+0x68/0xf0 # [ 32.908483] make_task_dead+0x2f/0x30 # [ 32.912561] rewind_stack_and_make_dead+0x17/0x20 # [ 32.917811] RIP: 0033:0x7f08583f5833 # [ 32.921797] 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 # [ 32.942776] RSP: 002b:00007ffda66777b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 32.951230] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f08583f5833 # [ 32.959198] RDX: 000000000000000a RSI: 00007f08582e8000 RDI: 0000000000000001 # [ 32.967166] RBP: 00007f08582e8000 R08: 00007f08582e7010 R09: 0000000000000000 # [ 32.975134] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 32.983102] R13: 0000000000000001 R14: 0000000000020000 R15: 000000000002000[ 35.742295] lkdtm: Performing direct entry READ_AFTER_FREE 0 # EXCEPTION: saw 'call trace:': ok ok 5 selftests: lkdtm: EX[ 35.751145] lkdtm: Value in memory before free: 12345678 CEPTION.sh # selftests: lkdtm: LOOP.sh # Skipping LOOP: Hangs [ 35.763295] lkdtm: Attempting bad read from freed memory the system ok 6 selftests: lkdtm: LOOP.sh # SKIP # selftests: [ 35.775436] lkdtm: Memory was not poisoned 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 # [ 33.193466] lkdtm: Performing direct entry CORRUPT_LIST_ADD # [ 33.202448] lkdtm: attempting good list addition # [ 33.207641] lkdtm: attempting corrupted list addition # [ 33.213316] 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 # [ 33.302337] lkdtm: Performing direct entry CORRUPT_LIST_DEL # [ 33.312356] lkdtm: attempting good list removal # [ 33.317433] lkdtm: attempting corrupted list removal # [ 33.322990] lkdtm: list[ 35.887814] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE _del() corruption not detected! # CORRUPT_LIST_DEL: missing 'li[ 35.898604] lkdtm: Value in memory before free: 12345678 st_del corruption': [FAIL] not ok 11 selftests: lkdtm: CORRUPT_[ 35.910744] lkdtm: Attempting to read from freed memory LIST_DEL.sh # exit=1 # selftests: lkdtm: STACK_GUARD_PAGE_LEADI[ 35.922798] lkdtm: Buddy page was not poisoned NG.sh # Segmentation fault # [ 33.456536] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING # [ 33.466251] lkdtm: attempting bad read from page below current stack # [ 33.473362] BUG: stack guard page was hit at 0000000017e167d0 (stack is 000000004f9511ee..000000001aafd7f1) # [ 33.484254] kernel stack overflow (page fault): 0000 [#3] SMP PTI # [ 33.491059] CPU: 2 PID: 978 Comm: cat Tainted: G D W 5.10.173-cip27 #1 # [ 33.505821] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 33.512626] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a # [ 33.519139] Code: cc cc cc 0f 1f 44 00 00 53 48 c7 c7 f8 f5 6c 9f 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 33 98 fd ff 48 c7 c7 38 f6 6c 9f <8a> 43 ff 88 44 24 07 0[ 36.006327] lkdtm: Performing direct entry SLAB_FREE_DOUBLE f b6 74 24 07 5a 5b e9 19 98 fd ff 0f 1f 44 # [ 33.540118] RS[ 36.014807] lkdtm: Attempting double slab free ... P: 0018:ffff9b2f417efe50 EFLAGS: 00010246 # [ 33.545951] RAX: 0000000000000038 RBX: ffff9b2f417ec000 RCX: 0000000000000000 # [ 33.553920] RDX: 0000000000000000 RSI: ffff8ae6fad1bf70 RDI: ffffffff9f6cf638 # [ 33.561888] RBP: ffffffff9f6ced62 R08: 0000000000000000 R09: 0000000000000000 # [ 33.569855] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019 # [ 33.577823] R13: ffff9b2f417eff10 R14: ffff9b2f417eff10 R15: ffff8ae6846db000 # [ 33.585791] FS: 00007fce2f333580(0000) GS:ffff8ae6fad00000(0000) knlGS:0000000000000000 # [ 33.594828] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 33.601241] CR2: ffff9b2f417ebfff CR3: 000000010497a001 CR4: 00000000003706e0 # [ 33.609208] Call Trace: # [ 33.611935] ? lkdtm_CORRUPT_LIST_DEL+0xe0/0xe0 # [ 33.617005] direct_entry.cold+0x2c/0x38 # [ 33.621383] full_proxy_write+0x53/0x80 # [ 33.[ 36.112180] lkdtm: Performing direct entry SLAB_FREE_CROSS 625663] vfs_write+0xe7/0x3b0 # [ 33.629360] ksys_write+0x68[ 36.119509] lkdtm: Attempting cross-cache slab free ... /0xf0 # [ 33.633049] do_syscall_64+0x30/0x40 # [ 33.637036] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 33.642676] RIP: 0033:0x7fce2f249833 # [ 33.646663] 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 # [ 33.667641] RSP: 002b:00007ffeebb852d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 33.676095] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007fce2f249833 # [ 33.684062] RDX: 0000000000000019 RSI: 00007fce2f13c000 RDI: 0000000000000001 # [ 33.692029] RBP: 00007fce2f13c000 R08: 00007fce2f13b010 R09: 0000000000000000 # [ 33.699997] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 33.707963] R13: 00000000000000[ 36.208745] lkdtm: Performing direct entry SLAB_FREE_PAGE 01 R14: 0000000000020000 R15: 0000000000020000 # [ 33.715935][ 36.218366] lkdtm: Attempting non-Slab slab free ... Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger cros_ec_sysfs uvcvideo cros_ec_sensorhub videobuf2_vmalloc cros_ec_chardev videobuf2_memops cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 33.767834] ---[ end trace b9cc279d67662a9c ]--- # [ 33.772988] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 33.777364] Code: 89 ff e8 ae 5b a2 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 90 8d 9f 02 # [ 33.798343] RSP: 0018:ffff9b2f41357e60 EFLAGS: 00010286 # [ 33.804188] RAX: ffffffff9e4f5960 RBX: 0000000000000001 RCX: 0000000000000000 # [ 33.812154] RDX: 0000000000000000 RSI: ffff8ae6fad1bf70 RDI: ffffffff9f2d5a70 # [ 33.820122] RBP: ffffffff9f733438 R08: 0000000000000001 R09: 0000000000000001 # [ 33.828089] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 33.836058] R13: ffff9b2f41357f10 R14: ffff9b2f41357f10 R15: ffff8ae683363000 # [ 33.844027] FS: 00007fce2f333580(0000) GS:ffff8ae6fad00000(0000) knlGS:0000000000000000 # [ 33.853063] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 33.859478] CR2: ffff9b2f417ebfff CR3: 000000010497a001 CR4: 00000000003706e0 # [ 33.867447] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 33.877357] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 978, name: cat # [ 33.885714] INFO: lockdep is turned off. # [ 33.890089] irq event stamp: 0 # [ 33.893493] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 33.900491] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 33.909640] softirqs last e[ 36.435304] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 36.449869] BUG: unable to handle page fault for address: ffffffffa0eee740 [ 36.457547] #PF: supervisor instruction fetch in kernel mode [ 36.463857] #PF: error_code(0x0011) - permissions violation [ 36.470078] PGD 49229067 P4D 49229067 PUD 4922a063 PMD 800000004a8000e3 nabled at (0): [] copy_process+0x664/0x1cb0 #[ 36.477565] Oops: 0011 [#5] SMP PTI [ 36.487667] CPU: 3 PID: 1554 Comm: cat Tainted: G D W 5.10.173-cip27 #1 [ 36.496315] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 36.503122] RIP: 0010:data_area+0x0/0x40 [ 36.507517] Code: ff ff 00 3a 25 80 e6 8a ff ff 00 39 25 80 e6 8a ff ff 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 [ 36.528496] RSP: 0018:ffff9b2f420e7e48 EFLAGS: 00010246 [ 36.534320] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 36.542288] RDX: 0000000000000000 RSI: ffff8ae6fad9bf70 RDI: ffff8ae6fad9bf70 [ 36.550255] RBP: ffffffffa0eee740 R08: 0000000000000000 R09: 0000000000000000 [ 36.558223] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a [ 36.566190] R13: ffff9b2f420e7f10 R14: ffff9b2f420e7f10 R15: ffff8ae682659000 [ 36.574157] FS: 00007f73d9d77580(0000) GS:ffff8ae6fad80000(0000) knlGS:0000000000000000 [ 36.583192] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 36.589606] CR2: ffffffffa0eee740 CR3: 0000000103c76001 CR4: 00000000003706e0 [ 36.597574] Call Trace: [ 36.600302] ? execute_location+0x45/0x56 [ 36.604776] ? direct_entry.cold+0x2c/0x38 [ 36.609348] ? full_proxy_write+0x53/0x80 [ 36.613822] ? vfs_write+0xe7/0x3b0 [ 36.617704] ? ksys_write+0x68/0xf0 [ 36.621595] ? do_syscall_64+0x30/0x40 [ 36.625776] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 33.918770] softirqs last disabled at (0): [<000000000000000[ 36.631612] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger cros_ec_sysfs uvcvideo cros_ec_sensorhub videobuf2_vmalloc cros_ec_chardev videobuf2_memops cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table [ 36.683524] CR2: ffffffffa0eee740 [ 36.687223] ---[ end trace b9cc279d67662a9f ]--- [ 36.692376] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 36.696742] Code: 89 ff e8 ae 5b a2 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 90 8d 9f 02 [ 36.717719] RSP: 0018:ffff9b2f41357e60 EFLAGS: 00010286 [ 36.723550] RAX: ffffffff9e4f5960 RBX: 0000000000000001 RCX: 0000000000000000 [ 36.731518] RDX: 0000000000000000 RSI: ffff8ae6fad1bf70 RDI: ffffffff9f2d5a70 [ 36.739485] RBP: ffffffff9f733438 R08: 0000000000000001 R09: 0000000000000001 [ 36.747454] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 36.755421] R13: ffff9b2f41357f10 R14: ffff9b2f41357f10 R15: ffff8ae683363000 [ 36.763389] FS: 00007f73d9d77580(0000) GS:ffff8ae6fad80000(0000) knlGS:0000000000000000 [ 36.772424] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 36.778839] CR2: ffffffffa0eee740 CR3: 0000000103c76001 CR4: 00000000003706e0 [ 36.786807] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 36.796708] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1554, name: cat [ 36.805160] INFO: lockdep is turned off. [ 36.809535] irq event stamp: 0 [ 36.812940] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 36.819937] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 36.829078] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 36.838211] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 36.845208] CPU: 3 PID: 1554 Comm: cat Tainted: G D W 5.10.173-cip27 #1 [ 36.853854] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 36.860656] Call Trace: [ 36.863382] dump_stack+0x77/0x9b [ 36.867079] ___might_sleep.cold+0xa6/0xb6 [ 36.871651] exit_signals+0x1c/0x300 [ 36.875631] do_exit+0xc2/0xb00 [ 36.879133] ? ksys_write+0x68/0xf0 [ 36.883023] make_task_dead+0x2f/0x30 [ 36.887107] rewind_stack_and_make_dead+0x17/0x20 [ 36.892357] RIP: 0033:0x7f73d9c8d833 [ 36.896344] 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 [ 36.917314] RSP: 002b:00007ffcf0f77ac8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 36.925777] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f73d9c8d833 [ 36.933750] RDX: 000000000000000a RSI: 00007f73d9b80000 RDI: 0000000000000001 [ 36.941724] RBP: 00007f73d9b80000 R08: 00007f73d9b7f010 R09: 0000000000000000 [ 36.949698] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 36.957673] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 0>] 0x0 # [ 33.925767] CPU: 2 PID: 978 Comm: cat Tainted: G D W 5.10.173-cip27 #1 # [ 33.934318] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 33.941122] Call Trace: # [ 33.943849] dump_stack+0x77/0x9b # [ 33.947545] ___might_sleep.cold+0xa6/0xb6 # [ 33.952116] exit_signals+0x1c/0x300 # [ 33.956105] do_exit+0xc2/0xb00 # [ 33.959607] ? ksys_write+0x68/0xf0 # [ 33.963499] make_task_dead+0x2f/0x30 # [ 33.967585] rewind_stack_and_make_dead+0x17/0x20 # [ 33.972833] RIP: 0033:0x7fce2f249833 # [ 33.976821] 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 # [ 33.997802] RSP: 002b:00007ffeebb852d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 34.006255] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007fce2f249833 # [ 34.014235] RDX: 0000000000000019 RSI: 00007fce2f13c000 RDI: 00000000000[ 37.063254] lkdtm: Performing direct entry EXEC_STACK 00001 # [ 34.022234] RBP: 00007fce2f13c000 R08: 00007fce2f13b[ 37.070773] lkdtm: attempting ok execution at ffffffff9e4f5d30 010 R09: 0000000000000000 # [ 34.030201] R10: fffffffffffffbc[ 37.083499] lkdtm: attempting bad execution at ffff9b2f42177e18 5 R11: 0000000000000246 R12: 0000000000000001 # [ 34.038169] [ 37.096321] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 37.110884] BUG: unable to handle page fault for address: ffff9b2f42177e18 [ 37.118560] #PF: supervisor instruction fetch in kernel mode [ 37.124876] #PF: error_code(0x0011) - permissions violation [ 37.131097] PGD 100000067 P4D 100000067 PUD 100214067 PMD 10487a067 PTE 8000000102ad9063 R13: 0000000000000001 R14: 0000000000020000 R15: 000000000002000[ 37.140138] Oops: 0011 [#6] SMP PTI [ 37.150241] CPU: 1 PID: 1590 Comm: cat Tainted: G D W 5.10.173-cip27 #1 [ 37.158888] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 37.165691] RIP: 0010:0xffff9b2f42177e18 [ 37.170058] Code: 00 00 18 7e 17 42 2f 9b ff ff 71 6d b7 9e ff ff ff ff 20 00 00 00 00 00 00 00 be ee 6c 9f ff ff ff ff a0 6e b7 9e 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 [ 37.191039] RSP: 0018:ffff9b2f42177df8 EFLAGS: 00010246 [ 37.196871] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 37.204838] RDX: 0000000000000000 RSI: ffff8ae6fac9bf70 RDI: ffff8ae6fac9bf70 [ 37.212806] RBP: ffff9b2f42177e18 R08: 0000000000000000 R09: 0000000000000000 [ 37.220774] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b [ 37.228740] R13: ffff9b2f42177f10 R14: ffff9b2f42177f10 R15: ffff8ae6835d5000 [ 37.236707] FS: 00007f8ba6e81580(0000) GS:ffff8ae6fac80000(0000) knlGS:0000000000000000 [ 37.245742] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 37.252156] CR2: ffff9b2f42177e18 CR3: 00000001046d0005 CR4: 00000000003706e0 [ 37.260123] Call Trace: [ 37.262852] ? execute_location+0x45/0x56 0 # STACK_GUARD_PAGE_LEADING: saw 'call trace:': ok ok 12 self[ 37.267327] ? lkdtm_EXEC_STACK+0x26/0x44 [ 37.278012] ? direct_entry.cold+0x2c/0x38 [ 37.282586] ? full_proxy_write+0x53/0x80 tests: lkdtm: STACK_GUARD_PAGE_LEADING.sh # selftests: lkdtm: S[ 37.287061] ? vfs_write+0xe7/0x3b0 [ 37.297162] ? ksys_write+0x68/0xf0 [ 37.301054] ? do_syscall_64+0x30/0x40 [ 37.305236] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 TACK_GUARD_PAGE_TRAILING.sh # Segmentation fault # [ 34.1755[ 37.311071] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger cros_ec_sysfs uvcvideo cros_ec_sensorhub videobuf2_vmalloc cros_ec_chardev videobuf2_memops cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table [ 37.362926] CR2: ffff9b2f42177e18 [ 37.366623] ---[ end trace b9cc279d67662aa0 ]--- [ 37.371768] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 37.376143] Code: 89 ff e8 ae 5b a2 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 90 8d 9f 02 [ 37.397123] RSP: 0018:ffff9b2f41357e60 EFLAGS: 00010286 [ 37.402946] RAX: ffffffff9e4f5960 RBX: 0000000000000001 RCX: 0000000000000000 [ 37.410914] RDX: 0000000000000000 RSI: ffff8ae6fad1bf70 RDI: ffffffff9f2d5a70 [ 37.418880] RBP: ffffffff9f733438 R08: 0000000000000001 R09: 0000000000000001 [ 37.426848] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 37.434815] R13: ffff9b2f41357f10 R14: ffff9b2f41357f10 R15: ffff8ae683363000 [ 37.442784] FS: 00007f8ba6e81580(0000) GS:ffff8ae6fac80000(0000) knlGS:0000000000000000 [ 37.451819] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 37.458235] CR2: ffff9b2f42177e18 CR3: 00000001046d0005 CR4: 00000000003706e0 14] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING # [ 34.183802] lkdtm: attempting bad read from page above current stack # [ 34.190913] BUG: stack guard page was hit at 000000008263dcb0 (stack is 00000000567cc724..0000000045fd19ce) # [ 34.201803] kernel stack overflow (page fault): 0000 [#4] SMP PTI # [ 34.208608] CPU: 2 PID: 1011 Comm: cat Tainted: G D W 5.10.173-cip27 #1 # [ 34.217248] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 34.224054] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILING+0x27/0x3d # [ 34.230664] Code: 98 fd ff 0f 1f 44 00 00 53 48 c7 c7 70 f6 6c 9f 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 f9 97 fd ff 48 c7 c7 b0 f6 6c 9f <8a> 83 00 40 00 00 88 44 24 07 0f b6 74 24 07 5a 5b e9 dc 97 fd ff # [ 34.251646] RSP: 0018:ffff9b2f4187fe50 EFLAGS: 00010246 # [ 34.257469] RAX: 0000000000000038 RBX: ffff9b2f4187c000 RCX: 0000000000000000 # [ 34.265438] RDX: 0000000000000000 RSI: ffff8ae6fad1bf70 RDI: ffffffff9f6cf6b0 # [ 34.273406] RBP: ffffffff9f6ced7b R08: 0000000000000000 R09: 0000000000000000 # [ 34.281373] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001a # [ 34.289341] R13: ffff9b2f4187ff10 R14: ffff9b2f4187ff10 R15: ffff8ae683766000 # [ 34.297309] FS: 00007f9c685d9580(0000) GS:ffff8ae6fad00000(0000) knlGS:0000000000000000 # [ 34.306345] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 34.312760] CR2: ffff9b2f41880000 CR3: 0000000106e86006 CR4: 00000000003706e0 # [ 34.320728] Call Trace: # [ 34.323454] ? lkdtm_STACK_GUARD_PAGE_LEADING+0x3a/0x3a # [ 34.329288] direct_entry.cold+0x2c/0x38 # [ 34.333657] full_proxy_write+0x53/0x80 # [ 34.337939] vfs_write+0xe7/0x3b0 # [ 34.341635] ksys_write+0x68/0xf0 # [ 34.345333] do_syscall_64+0x30/0x40 # [ 34.349321] entry_SYSCALL_64_after_hwfr[ 37.642047] lkdtm: Performing direct entry EXEC_KMALLOC [ 37.652296] lkdtm: attempting ok execution at ffffffff9e4f5d30 ame+0x61/0xc6 # [ 34.354951] RIP: 0033:0x7f9c684ef833 # [ [ 37.658845] lkdtm: attempting bad execution at ffff8ae685f5ad00 [ 37.671683] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) 34.358939] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff[ 37.680049] BUG: unable to handle page fault for address: ffff8ae685f5ad00 [ 37.693939] #PF: supervisor instruction fetch in kernel mode [ 37.700257] #PF: error_code(0x0011) - permissions violation [ 37.706477] PGD 4aa01067 P4D 4aa01067 PUD 10084f063 PMD 105eb5063 PTE 8000000105f5a063 [ 37.715322] Oops: 0011 [#7] SMP PTI [ 37.719212] CPU: 3 PID: 1626 Comm: cat Tainted: G D W 5.10.173-cip27 #1 [ 37.727858] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 37.734664] RIP: 0010:0xffff8ae685f5ad00 [ 37.739039] Code: ad de 00 66 8c 82 e6 8a ff ff 80 ab f5 85 e6 8a ff ff 00 00 00 00 00 00 00 00 00 00 00 00 40 00 38 00 09 00 40 00 18 00 17 00 <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 [ 37.760019] RSP: 0018:ffff9b2f4220fe38 EFLAGS: 00010246 [ 37.765852] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 37.773818] RDX: 0000000000000000 RSI: ffff8ae6fad9bf70 RDI: ffff8ae6fad9bf70 [ 37.781786] RBP: ffff8ae685f5ad00 R08: 0000000000000000 R09: 0000000000000000 [ 37.789753] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d [ 37.797720] R13: ffff9b2f4220ff10 R14: ffff9b2f4220ff10 R15: ffff8ae684955000 [ 37.805687] FS: 00007fea2129e580(0000) GS:ffff8ae6fad80000(0000) knlGS:0000000000000000 [ 37.814721] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 37.821137] CR2: ffff8ae685f5ad00 CR3: 00000001028c2006 CR4: 00000000003706e0 [ 37.829105] Call Trace: [ 37.831833] ? execute_location+0x45/0x56 [ 37.836322] ? lkdtm_EXEC_KMALLOC+0x2c/0x40 [ 37.840989] ? direct_entry.cold+0x2c/0x38 [ 37.845562] ? full_proxy_write+0x53/0x80 [ 37.850034] ? vfs_write+0xe7/0x3b0 [ 37.853916] ? ksys_write+0x68/0xf0 [ 37.857808] ? do_syscall_64+0x30/0x40 [ 37.861990] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 [ 37.867825] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger cros_ec_sysfs uvcvideo cros_ec_sensorhub videobuf2_vmalloc cros_ec_chardev videobuf2_memops cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table [ 37.919721] CR2: ffff8ae685f5ad00 [ 37.923409] ---[ end trace b9cc279d67662aa1 ]--- [ 37.928562] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 37.932937] Code: 89 ff e8 ae 5b a2 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 90 8d 9f 02 [ 37.953918] RSP: 0018:ffff9b2f41357e60 EFLAGS: 00010286 [ 37.959741] RAX: ffffffff9e4f5960 RBX: 0000000000000001 RCX: 0000000000000000 [ 37.967708] RDX: 0000000000000000 RSI: ffff8ae6fad1bf70 RDI: ffffffff9f2d5a70 [ 37.975677] RBP: ffffffff9f733438 R08: 0000000000000001 R09: 0000000000000001 [ 37.983644] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 37.991612] R13: ffff9b2f41357f10 R14: ffff9b2f41357f10 R15: ffff8ae683363000 [ 37.999579] FS: 00007fea2129e580(0000) GS:ffff8ae6fad80000(0000) knlGS:0000000000000000 [ 38.008614] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.015028] CR2: ffff8ae685f5ad00 CR3: 00000001028c2006 CR4: 00000000003706e0 [ 38.022997] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 38.032908] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1626, name: cat [ 38.041359] INFO: lockdep is turned off. [ 38.045746] irq event stamp: 0 [ 38.049150] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 38.056149] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 38.065285] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 38.074420] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 38.081418] CPU: 3 PID: 1626 Comm: cat Tainted: G D W 5.10.173-cip27 #1 [ 38.090065] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 38.096867] Call Trace: [ 38.099611] dump_stack+0x77/0x9b [ 38.103309] ___might_sleep.cold+0xa6/0xb6 [ 38.107871] exit_signals+0x1c/0x300 [ 38.111850] do_exit+0xc2/0xb00 [ 38.115354] ? ksys_write+0x68/0xf0 [ 38.119247] make_task_dead+0x2f/0x30 [ 38.123331] rewind_stack_and_make_dead+0x17/0x20 [ 38.128593] RIP: 0033:0x7fea211b4833 [ 38.132582] 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 [ 38.153561] RSP: 002b:00007ffc4f4400c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 38.162007] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007fea211b4833 [ 38.169975] RDX: 000000000000000d RSI: 00007fea210a7000 RDI: 0000000000000001 [ 38.177943] RBP: 00007fea210a7000 R08: 00007fea210a6010 R09: 0000000000000000 [ 38.185910] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 38.193878] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 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 # [ 34.379920] RSP: 002b:00007fff38fc90b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 34.388374] RAX: ffffffffffffffda RBX: 000000000000001a RCX: 00007f9c684ef833 # [ 34.396341] RDX: 000000000000001a RSI: 00007f9c683e2000 RDI: 0000000000000001 # [ 34.404310] RBP: 00007f9c683e2000 R08: 00007f9c683e1010 R09: 0000000000000000 # [ 34.412276] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 34.420245] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 34.428216] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger cros_ec_sysfs uvcvideo cros_ec_sensorhub videobuf2_vmalloc cros_ec_chardev videobuf2_memops cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 34.480116] ---[ end trace b9cc279d67662a9d ]--- # [ 34.485277] RIP: 0010:lkdtm[ 38.308999] lkdtm: Performing direct entry EXEC_VMALLOC [ 38.319600] lkdtm: attempting ok execution at ffffffff9e4f5d30 [ 38.326126] lkdtm: attempting bad execution at ffff9b2f40379000 [ 38.332768] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) _BUG+0x5/0x10 # [ 34.489656] Code: 89 ff e8 ae 5b a2 ff 48 c7[ 38.341132] BUG: unable to handle page fault for address: ffff9b2f40379000 [ 38.355025] #PF: supervisor instruction fetch in kernel mode [ 38.361346] #PF: error_code(0x0011) - permissions violation c[0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 38.367568] PGD 100000067 P4D 100000067 PUD 100214067 PMD 100949067 PTE 8000000102870063 [ 38.382826] Oops: 0011 [#8] SMP PTI [ 38.386718] CPU: 2 PID: 1662 Comm: cat Tainted: G D W 5.10.173-cip27 #1 [ 38.395367] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 38.402171] RIP: 0010:0xffff9b2f40379000 [ 38.406540] Code: Unable to access opcode bytes at RIP 0xffff9b2f40378fd6. [ 38.414215] RSP: 0018:ffff9b2f4229fe38 EFLAGS: 00010246 [ 38.420047] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 38.428014] RDX: 0000000000000000 RSI: ffff8ae6fad1bf70 RDI: ffff8ae6fad1bf70 [ 38.435982] RBP: ffff9b2f40379000 R08: 0000000000000000 R09: 0000000000000000 [ 38.443950] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d [ 38.451917] R13: ffff9b2f4229ff10 R14: ffff9b2f4229ff10 R15: ffff8ae682870000 [ 38.459887] FS: 00007fa233171580(0000) GS:ffff8ae6fad00000(0000) knlGS:0000000000000000 [ 38.468922] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.475336] CR2: ffff9b2f40378fd6 CR3: 0000000104940004 CR4: 00000000003706e0 [ 38.483305] Call Trace: [ 38.486034] ? execute_location+0x45/0x56 [ 38.490509] ? lkdtm_EXEC_VMALLOC+0x20/0x30 [ 38.495177] ? direct_entry.cold+0x2c/0x38 [ 38.499739] ? full_proxy_write+0x53/0x80 [ 38.504214] ? vfs_write+0xe7/0x3b0 [ 38.508104] ? ksys_write+0x68/0xf0 [ 38.511987] ? do_syscall_64+0x30/0x40 [ 38.516169] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00[ 38.522006] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger cros_ec_sysfs uvcvideo cros_ec_sensorhub videobuf2_vmalloc cros_ec_chardev videobuf2_memops cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table [ 38.573900] CR2: ffff9b2f40379000 [ 38.577588] ---[ end trace b9cc279d67662aa2 ]--- [ 38.582733] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 38.587100] Code: 89 ff e8 ae 5b a2 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 90 8d 9f 02 [ 38.608079] RSP: 0018:ffff9b2f41357e60 EFLAGS: 00010286 [ 38.613910] RAX: ffffffff9e4f5960 RBX: 0000000000000001 RCX: 0000000000000000 [ 38.621880] RDX: 0000000000000000 RSI: ffff8ae6fad1bf70 RDI: ffffffff9f2d5a70 [ 38.629848] RBP: ffffffff9f733438 R08: 0000000000000001 R09: 0000000000000001 [ 38.637816] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 38.645785] R13: ffff9b2f41357f10 R14: ffff9b2f41357f10 R15: ffff8ae683363000 [ 38.653752] FS: 00007fa233171580(0000) GS:ffff8ae6fad00000(0000) knlGS:0000000000000000 [ 38.662788] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.669202] CR2: ffff9b2f40378fd6 CR3: 0000000104940004 CR4: 00000000003706e0 00 00 0f 1f 44 00 00 83 05 90 8d 9f 02 # [ 34.510626] RSP: 0018:ffff9b2f41357e60 EFLAGS: 00010286 # [ 34.516460] RAX: ffffffff9e4f5960 RBX: 0000000000000001 RCX: 0000000000000000 # [ 34.524427] RDX: 0000000000000000 RSI: ffff8ae6fad1bf70 RDI: ffffffff9f2d5a70 # [ 34.532397] RBP: ffffffff9f733438 R08: 0000000000000001 R09: 0000000000000001 # [ 34.540367] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 34.548334] R13: ffff9b2f41357f10 R14: ffff9b2f41357f10 R15: ffff8ae683363000 # [ 34.556302] FS: 00007f9c685d9580(0000) GS:ffff8ae6fad00000(0000) knlGS:0000000000000000 # [ 34.565339] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 34.571755] CR2: ffff9b2f41880000 CR3: 0000000106e86006 CR4: 00000000003706e0 # STACK_GUARD_PAGE_TRAILING: saw 'call trace:': ok ok 13 selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh # selftests: lkdtm: UNSET_SMEP.sh # [ 34.659384] lkdtm: Performing direct entry UNSET_SMEP # [ 34.666218] lkdtm: trying to clear SMEP normally[ 38.774677] lkdtm: Performing direct entry EXEC_RODATA # [ 34.677615] ------------[ cut here ]------------ # [ 3[ 38.782397] lkdtm: attempting ok execution at ffffffff9e4f5d30 4.688986] pinned CR4 bits changed: 0x100000!? # [ 34.700269] [ 38.795128] lkdtm: attempting bad execution at ffffffff9f2d5f00 WARNING: CPU: 0 PID: 1047 at arch/x86/kernel/cpu/common.c:392 na[ 38.807977] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 38.822544] BUG: unable to handle page fault for address: ffffffff9f2d5f00 [ 38.830221] #PF: supervisor instruction fetch in kernel mode [ 38.836541] #PF: error_code(0x0011) - permissions violation ti[ve_write_cr4+0x45/0x60 # [ 34.716677] Modules linked in: fu 38.842762] PGD 49229067 P4D 49229067 PUD 4922a063 PMD 8000000048c000e1 [ 38.856466] Oops: 0011 [#9] SMP PTI [ 38.860358] CPU: 1 PID: 1698 Comm: cat Tainted: G D W 5.10.173-cip27 #1 [ 38.869005] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 38.875811] RIP: 0010:lkdtm_rodata_do_nothing+0x0/0x10 se ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_c[ 38.881547] Code: ff ff 10 83 b7 9e ff ff ff ff 0a f1 6c 9f ff ff ff ff 56 6a b7 9e 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 [ 38.908738] RSP: 0018:ffff9b2f42347e48 EFLAGS: 00010246 [ 38.914570] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 [ 38.922538] RDX: 0000000000000000 RSI: ffff8ae6fac9bf70 RDI: ffff8ae6fac9bf70 [ 38.930506] RBP: ffffffff9f2d5f00 R08: 0000000000000000 R09: 0000000000000000 [ 38.938473] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c [ 38.946440] R13: ffff9b2f42347f10 R14: ffff9b2f42347f10 R15: ffff8ae683702000 [ 38.954408] FS: 00007fb6770e1580(0000) GS:ffff8ae6fac80000(0000) knlGS:0000000000000000 [ 38.963445] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.969858] CR2: ffffffff9f2d5f00 CR3: 000000010364a001 CR4: 00000000003706e0 [ 38.977826] Call Trace: [ 38.980555] ? execute_location+0x45/0x56 ore industrialio_triggered_buffer kfifo_buf industrialio cros_us[ 38.985050] ? direct_entry.cold+0x2c/0x38 [ 38.995832] ? full_proxy_write+0x53/0x80 bpd_logger cros_ec_lightbar cros_usbpd_charger cros_ec_sysfs uvc[ 39.000308] ? vfs_write+0xe7/0x3b0 [ 39.010407] ? ksys_write+0x68/0xf0 [ 39.014298] ? do_syscall_64+0x30/0x40 [ 39.018471] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 video cros_ec_sensorhub videobuf2_vmalloc cros_ec_chardev videob[ 39.024325] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger cros_ec_sysfs uvcvideo cros_ec_sensorhub videobuf2_vmalloc cros_ec_chardev videobuf2_memops cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table [ 39.076186] CR2: ffffffff9f2d5f00 [ 39.079873] ---[ end trace b9cc279d67662aa3 ]--- [ 39.085026] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 39.089394] Code: 89 ff e8 ae 5b a2 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 90 8d 9f 02 [ 39.110373] RSP: 0018:ffff9b2f41357e60 EFLAGS: 00010286 [ 39.116205] RAX: ffffffff9e4f5960 RBX: 0000000000000001 RCX: 0000000000000000 [ 39.124219] RDX: 0000000000000000 RSI: ffff8ae6fad1bf70 RDI: ffffffff9f2d5a70 [ 39.132202] RBP: ffffffff9f733438 R08: 0000000000000001 R09: 0000000000000001 [ 39.140182] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 39.148167] R13: ffff9b2f41357f10 R14: ffff9b2f41357f10 R15: ffff8ae683363000 [ 39.156153] FS: 00007fb6770e1580(0000) GS:ffff8ae6fac80000(0000) knlGS:0000000000000000 [ 39.165193] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.171607] CR2: ffffffff9f2d5f00 CR3: 000000010364a001 CR4: 00000000003706e0 [ 39.179574] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 39.189484] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1698, name: cat [ 39.197936] INFO: lockdep is turned off. [ 39.202312] irq event stamp: 0 [ 39.205716] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 39.212716] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 39.221848] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 39.230996] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 39.237994] CPU: 1 PID: 1698 Comm: cat Tainted: G D W 5.10.173-cip27 #1 [ 39.246640] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 39.253442] Call Trace: [ 39.256167] dump_stack+0x77/0x9b [ 39.259866] ___might_sleep.cold+0xa6/0xb6 [ 39.264427] exit_signals+0x1c/0x300 [ 39.268406] do_exit+0xc2/0xb00 [ 39.271913] ? ksys_write+0x68/0xf0 [ 39.275805] make_task_dead+0x2f/0x30 [ 39.279892] rewind_stack_and_make_dead+0x17/0x20 [ 39.285143] RIP: 0033:0x7fb676ff7833 [ 39.289130] 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 [ 39.310110] RSP: 002b:00007fff2aa92c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 39.318564] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007fb676ff7833 [ 39.326531] RDX: 000000000000000c RSI: 00007fb676eea000 RDI: 0000000000000001 [ 39.334500] RBP: 00007fb676eea000 R08: 00007fb676ee9010 R09: 0000000000000000 [ 39.342467] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 39.350434] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 uf2_memops cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 34.768547] CPU: 0 PID: 1047 Comm: cat Tainted: G D W 5.10.173-cip27 #1 # [ 34.783405] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 34.796435] RIP: 0010:native_write_cr4+0x45/0x60 # [ 34.807801] Code: 39 c2 75 2d 48 85 f6 75 05 c3 cc cc cc cc 80 3d 29 d9 e3 01 00 75 f2 48 c7 c7 18 c6 60 9f c6 05 19 d9 e3 01 01 e8 c8 6f e8 00 <0f> 0b c3 cc cc cc cc 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09 # [ 34.835007] RSP: 0018:ffff9b2f418efe48 EFLAGS: 00010286 # [ 34.847061] RAX: 0000000000000000 RBX: 00000000002706f0 RCX: 0000000000000000 # [ 34.861328] RDX: ffff8ae6fac2c660 RSI: ffff8ae6fac1bf70 RDI: ffff8ae6fac1bf70 # [ 34.875447] RBP: ffffffff9f6ced95 R08: 0000000000000000 R09: 0000000000000000 # [ 34.889723] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b # [ 34.903939] R13: ffff9b2f418eff10 R14: ffff9b2f418eff10 R15: ffff8ae6832d4000 # [ 34.918059] FS: 00007f6eb027f580(0000) GS:ffff8ae6fac00000(0000) knlGS:0000000000000000 # [ 34.933310] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 34.945951] CR2: 00007f6eb0088000 CR3: 0000000103c66004 CR4: 00000000003706f0 # [ 34.960157] Call Trace: # [ 34.969114] lkdtm_UNSET_SMEP.cold+0x1d/0x103 # [ 34.980246] direct_entry.cold+0x2c/0x38 # [ 34.990765] full_proxy_write+0x53/0x80 # [ 35.001285] [ 39.501826] lkdtm: Performing direct entry EXEC_USERSPACE vfs_write+0xe7/0x3b0 # [ 35.011207] ksys_write+0x68/0xf0 # [ 39.513672] lkdtm: attempting ok execution at ffffffff9e4f5d30 [ 35.021167] do_syscall_64+0x30/0x40 # [ 35.031349] entry[ 39.526407] lkdtm: attempting bad execution at 00007f882695c000 _SYSCALL_64_after_hwframe+0x61/0xc6 # [ 35.043187] RIP: 0033:[ 39.539218] unable to execute userspace code (SMEP?) (uid: 0) [ 39.551829] BUG: unable to handle page fault for address: 00007f882695c000 [ 39.559506] #PF: supervisor instruction fetch in kernel mode [ 39.565815] #PF: error_code(0x0011) - permissions violation [ 39.572035] PGD 8000000105dae067 P4D 8000000105dae067 PUD 1046f4067 PMD 103347067 PTE 10bc8f067 [ 39.581761] Oops: 0011 [#10] SMP PTI [ 39.585740] CPU: 0 PID: 1734 Comm: cat Tainted: G D W 5.10.173-cip27 #1 [ 39.594388] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 39.601194] RIP: 0010:0x7f882695c000 [ 39.605181] Code: Unable to access opcode bytes at RIP 0x7f882695bfd6. [ 39.612471] RSP: 0018:ffff9b2f423e7e50 EFLAGS: 00010246 [ 39.618304] RAX: 0000000000000033 RBX: 0000000000000024 RCX: 0000000000000000 [ 39.626273] RDX: 0000000000000000 RSI: ffff8ae6fac1bf70 RDI: ffff8ae6fac1bf70 [ 39.634242] RBP: 00007f882695c000 R08: 0000000000000000 R09: 0000000000000000 [ 39.642212] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000f [ 39.650181] R13: ffff9b2f423e7f10 R14: ffff9b2f423e7f10 R15: ffff8ae6813ef000 [ 39.658151] FS: 00007f882692d580(0000) GS:ffff8ae6fac00000(0000) knlGS:0000000000000000 [ 39.667186] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.673600] CR2: 00007f882695c000 CR3: 0000000103890001 CR4: 00000000003706f0 [ 39.681567] Call Trace: [ 39.684296] ? lkdtm_EXEC_USERSPACE.cold+0x66/0xae [ 39.689649] ? direct_entry.cold+0x2c/0x38 [ 39.694223] ? full_proxy_write+0x53/0x80 [ 39.698703] ? vfs_write+0xe7/0x3b0 [ 39.702599] ? ksys_write+0x68/0xf0 [ 39.706491] ? do_syscall_64+0x30/0x40 [ 39.710681] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 39.716517] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger cros_ec_sysfs uvcvideo cros_ec_sensorhub videobuf2_vmalloc cros_ec_chardev videobuf2_memops cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table [ 39.762193] CR2: 00007f882695c000 [ 39.765890] ---[ end trace b9cc279d67662aa4 ]--- [ 39.771037] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 39.775413] Code: 89 ff e8 ae 5b a2 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 90 8d 9f 02 [ 39.796395] RSP: 0018:ffff9b2f41357e60 EFLAGS: 00010286 [ 39.802227] RAX: ffffffff9e4f5960 RBX: 0000000000000001 RCX: 0000000000000000 [ 39.810195] RDX: 0000000000000000 RSI: ffff8ae6fad1bf70 RDI: ffffffff9f2d5a70 [ 39.818162] RBP: ffffffff9f733438 R08: 0000000000000001 R09: 0000000000000001 [ 39.826130] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 39.834098] R13: ffff9b2f41357f10 R14: ffff9b2f41357f10 R15: ffff8ae683363000 [ 39.842067] FS: 00007f882692d580(0000) GS:ffff8ae6fac00000(0000) knlGS:0000000000000000 [ 39.851095] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.857510] CR2: 00007f882695c000 CR3: 0000000103890001 CR4: 00000000003706f0 0x7f6eb0195833 # [ 35.053415] 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 # [ 35.080615] RSP: 002b:00007ffdcc43ebe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 35.095301] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f6eb0195833 # [ 35.109482] RDX: 000000000000000b RSI: 00007f6eb0088000 RDI: 0000000000000001 # [ 35.123672] RBP: 00007f6eb0088000 R08: 00007f6eb0087010 R09: 0000000000000000 # [ 35.137865] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 35.152070] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 35.166245] irq event stamp: 0 # [ 35.175875] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 35.189089] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 35.204451] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 35.219793] softirqs last disabled at[ 39.969252] lkdtm: Performing direct entry EXEC_NULL (0): [<0000000000000000>] 0x0 # [ 35.233022] ---[ end trace [ 39.976716] lkdtm: attempting ok execution at ffffffff9e4f5d30 b9cc279d67662a9e ]--- # [ 35.244386] lkdtm: ok: SMEP did not [ 39.989442] lkdtm: attempting bad execution at 0000000000000000 get cleared # [ 35.255679] lkdtm: trying to clear SMEP with c[ 40.002265] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 40.016251] #PF: supervisor instruction fetch in kernel mode [ 40.022570] #PF: error_code(0x0010) - not-present page [ 40.028297] PGD 0 P4D 0 all gadget # [ 35.267819] lkdtm: ok: SMEP removal was reverte[ 40.031123] Oops: 0010 [#11] SMP PTI [ 40.041332] CPU: 1 PID: 1770 Comm: cat Tainted: G D W 5.10.173-cip27 #1 [ 40.049982] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 40.056787] RIP: 0010:0x0 [ 40.059698] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6. [ 40.067367] RSP: 0018:ffff9b2f42457e48 EFLAGS: 00010246 [ 40.073198] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 [ 40.081166] RDX: 0000000000000000 RSI: ffff8ae6fac9bf70 RDI: ffff8ae6fac9bf70 [ 40.089134] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 40.097101] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a [ 40.105069] R13: ffff9b2f42457f10 R14: ffff9b2f42457f10 R15: ffff8ae682ad0000 [ 40.113037] FS: 00007fd415079580(0000) GS:ffff8ae6fac80000(0000) knlGS:0000000000000000 [ 40.122074] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 40.128479] CR2: ffffffffffffffd6 CR3: 000000010388a006 CR4: 00000000003706e0 [ 40.136447] Call Trace: [ 40.139175] execute_location+0x45/0x56 d # UNSET_SMEP: saw 'pinned CR4 bits changed:': ok ok 14 selft[ 40.143477] direct_entry.cold+0x2c/0x38 [ 40.154066] full_proxy_write+0x53/0x80 ests: lkdtm: UNSET_SMEP.sh # selftests: lkdtm: DOUBLE_FAULT.sh [ 40.158349] vfs_write+0xe7/0x3b0 [ 40.168254] ksys_write+0x68/0xf0 [ 40.171944] do_syscall_64+0x30/0x40 [ 40.175933] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 40.181572] RIP: 0033:0x7fd414f8f833 [ 40.185559] 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 [ 40.206537] RSP: 002b:00007ffd915f0918 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 40.215007] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fd414f8f833 # [ 35.360211] lkdtm: Performing direct entry DOUBLE_FAULT #[ 40.222998] RDX: 000000000000000a RSI: 00007fd414e82000 RDI: 0000000000000001 [ 40.237179] RBP: 00007fd414e82000 R08: 00007fd414e81010 R09: 0000000000000000 [ 40.245147] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 40.253115] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 35.372020] lkdtm: XFAIL: this test is ia32-only # DOUBLE_F[ 40.261086] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger cros_ec_sysfs uvcvideo cros_ec_sensorhub videobuf2_vmalloc cros_ec_chardev videobuf2_memops cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table [ 40.312945] CR2: 0000000000000000 [ 40.316642] ---[ end trace b9cc279d67662aa5 ]--- [ 40.321816] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 40.326192] Code: 89 ff e8 ae 5b a2 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 90 8d 9f 02 [ 40.347171] RSP: 0018:ffff9b2f41357e60 EFLAGS: 00010286 [ 40.353002] RAX: ffffffff9e4f5960 RBX: 0000000000000001 RCX: 0000000000000000 [ 40.360969] RDX: 0000000000000000 RSI: ffff8ae6fad1bf70 RDI: ffffffff9f2d5a70 [ 40.368937] RBP: ffffffff9f733438 R08: 0000000000000001 R09: 0000000000000001 [ 40.376905] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 40.384872] R13: ffff9b2f41357f10 R14: ffff9b2f41357f10 R15: ffff8ae683363000 [ 40.392840] FS: 00007fd415079580(0000) GS:ffff8ae6fac80000(0000) knlGS:0000000000000000 [ 40.401874] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 40.408287] CR2: ffffffffffffffd6 CR3: 000000010388a006 CR4: 00000000003706e0 [ 40.416256] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 40.426167] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1770, name: cat [ 40.434611] INFO: lockdep is turned off. [ 40.438988] irq event stamp: 0 [ 40.442392] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 40.449391] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 40.458524] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 40.467657] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 40.474657] CPU: 1 PID: 1770 Comm: cat Tainted: G D W 5.10.173-cip27 #1 [ 40.483304] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 40.490107] Call Trace: [ 40.492834] dump_stack+0x77/0x9b [ 40.496547] ___might_sleep.cold+0xa6/0xb6 [ 40.501121] exit_signals+0x1c/0x300 [ 40.505110] do_exit+0xc2/0xb00 [ 40.508612] ? ksys_write+0x68/0xf0 [ 40.512520] make_task_dead+0x2f/0x30 [ 40.516604] rewind_stack_and_make_dead+0x17/0x20 [ 40.521856] RIP: 0033:0x7fd414f8f833 [ 40.525844] 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 [ 40.546822] RSP: 002b:00007ffd915f0918 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 40.555276] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fd414f8f833 [ 40.563244] RDX: 000000000000000a RSI: 00007fd414e82000 RDI: 0000000000000001 [ 40.571212] RBP: 00007fd414e82000 R08: 00007fd414e81010 R09: 0000000000000000 [ 40.579180] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 40.587148] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 AULT: saw 'XFAIL': [SKIP] ok 15 selftests: lkdtm: DOUBLE_FAULT.sh # SKIP # selftests: lkdtm: CORRUPT_PAC.sh # [ 35.451827] lkdtm: Performing direct entry CORRUPT_PAC # [ 35.463783] 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 # [ 35.547687] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE # [ 35.556992] 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 # [ 35.742295] lkdtm: Performing direct entry READ_AFTER_FREE # [ 35.751145] lkdtm: Value in memory before free: 12345678 # [ 35.763295] lkdtm: Attempting bad re[ 40.703184] lkdtm: Performing direct entry ACCESS_USERSPACE [ 40.713288] lkdtm: attempting bad read at 00007f72dc4a8000 ad from freed memory # [ 35.775436] lkdtm: Memory was not poi[ 40.719431] BUG: unable to handle page fault for address: 00007f72dc4a8000 [ 40.733310] #PF: supervisor read access in kernel mode [ 40.739046] #PF: error_code(0x0001) - permissions violation so[ned # READ_AFTER_FREE: missing 'call trace:': [FAIL] not ok 40.745266] PGD 8000000106e57067 P4D 8000000106e57067 PUD 10335e067 PMD 105f59067 PTE 10f076067 [ 40.761204] Oops: 0001 [#12] SMP PTI [ 40.765193] CPU: 2 PID: 1805 Comm: cat Tainted: G D W 5.10.173-cip27 #1 [ 40.773843] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 40.780648] RIP: 0010:lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3 [ 40.786870] Code: 00 00 00 75 64 48 83 c4 10 5d c3 cc cc cc cc 48 89 ee 48 c7 c7 28 fe 6c 9f e8 6d 91 fd ff 48 c7 c7 50 fe 6c 9f b8 de c0 de c0 <48> 03 45 00 48 89 04 24 e8 54 91 fd ff 48 89 ee 48 c7 c7 78 fe 6c [ 40.807839] RSP: 0018:ffff9b2f4251fe48 EFLAGS: 00010246 [ 40.813670] RAX: 00000000c0dec0de RBX: 0000000000000026 RCX: 0000000000000000 [ 40.821638] RDX: 0000000000000000 RSI: ffff8ae6fad1bf70 RDI: ffffffff9f6cfe50 [ 40.829605] RBP: 00007f72dc4a8000 R08: 0000000000000000 R09: 0000000000000000 [ 40.837573] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000011 [ 40.845540] R13: ffff9b2f4251ff10 R14: ffff9b2f4251ff10 R15: ffff8ae6845a0000 [ 40.853508] FS: 00007f72dc479580(0000) GS:ffff8ae6fad00000(0000) knlGS:0000000000000000 [ 40.862542] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 40.868956] CR2: 00007f72dc4a8000 CR3: 0000000103714005 CR4: 00000000003706e0 [ 40.876924] Call Trace: [ 40.879652] direct_entry.cold+0x2c/0x38 [ 40.884032] full_proxy_write+0x53/0x80 [ 40.888314] vfs_write+0xe7/0x3b0 [ 40.892012] ksys_write+0x68/0xf0 [ 40.895710] do_syscall_64+0x30/0x40 [ 40.899698] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 40.905337] RIP: 0033:0x7f72dc38f833 [ 40.909325] 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 [ 40.930303] RSP: 002b:00007ffe617e2858 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 40.938749] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007f72dc38f833 [ 40.946727] RDX: 0000000000000011 RSI: 00007f72dc282000 RDI: 0000000000000001 [ 40.954686] RBP: 00007f72dc282000 R08: 00007f72dc281010 R09: 0000000000000000 [ 40.962654] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 40.970639] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 20 selftests: lkdtm: READ_AFTER_FREE.sh # exit=1 # selftests: l[ 40.978619] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger cros_ec_sysfs uvcvideo cros_ec_sensorhub videobuf2_vmalloc cros_ec_chardev videobuf2_memops cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table [ 41.030490] CR2: 00007f72dc4a8000 [ 41.034187] ---[ end trace b9cc279d67662aa6 ]--- [ 41.039334] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 41.043709] Code: 89 ff e8 ae 5b a2 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 90 8d 9f 02 [ 41.064690] RSP: 0018:ffff9b2f41357e60 EFLAGS: 00010286 [ 41.070528] RAX: ffffffff9e4f5960 RBX: 0000000000000001 RCX: 0000000000000000 [ 41.078510] RDX: 0000000000000000 RSI: ffff8ae6fad1bf70 RDI: ffffffff9f2d5a70 [ 41.086473] RBP: ffffffff9f733438 R08: 0000000000000001 R09: 0000000000000001 [ 41.094441] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 41.102433] R13: ffff9b2f41357f10 R14: ffff9b2f41357f10 R15: ffff8ae683363000 [ 41.110402] FS: 00007f72dc479580(0000) GS:ffff8ae6fad00000(0000) knlGS:0000000000000000 [ 41.119442] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.125864] CR2: 00007f72dc4a8000 CR3: 0000000103714005 CR4: 00000000003706e0 kdtm: WRITE_BUDDY_AFTER_FREE.sh # Skipping WRITE_BUDDY_AFTER_FREE: Corrupts memory on failure ok 21 selftests: lkdtm: WRITE_BUDDY_AFTER_FREE.sh # SKIP # selftests: lkdtm: READ_BUDDY_AFTER_FREE.sh # [ 35.887814] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE # [ 35.898604] lkdtm: Value in memory before free: 12345678 # [ 35.910744] lkdtm: Attempting to read from freed memory # [ 35.922798] 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 # [ 36.006327] lkdtm: Performing direct entry SLAB_FREE_DOUBLE # [ 36.014807] 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 # [ 36.112180] lkdtm: Performing direct entry SLAB_FREE_CROSS # [ 36.119509] 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 # [ 36.208745] lkdtm: Performing direct entry SLAB_FREE_PAGE # [ 36.218366] lkdtm: Attempting non-Slab slab free ... # SLAB_FREE_PAGE: missing 'call trace:': [FAIL] not ok 25 selftests: lkdtm: SLAB_FREE_PAGE.sh # exit=1 # selftests: lkdtm: SOFTLOCKUP.sh # Skipping SOFTLOCKUP: Hangs the system ok 26 selftests: lkdtm: SOFTLOCKUP.sh # SKIP # selftests: lkdtm: HARDLOCKUP.s[ 41.282861] lkdtm: Performing direct entry ACCESS_NULL [ 41.288797] lkdtm: attempting bad read at 0000000000000000 [ 41.294954] BUG: kernel NULL pointer dereference, address: 0000000000000000 h # Skipping HARDLOCKUP: Hangs the system ok 27 selftests: lkd[ 41.302736] #PF: supervisor read access in kernel mode [ 41.314684] #PF: error_code(0x0000) - not-present page [ 41.320418] PGD 0 P4D 0 [ 41.323240] Oops: 0000 [#13] SMP PTI [ 41.327227] CPU: 3 PID: 1840 Comm: cat Tainted: G D W 5.10.173-cip27 #1 [ 41.335874] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 41.342680] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53 [ 41.347930] Code: 11 91 fd ff be 00 10 00 00 48 89 ef e8 15 15 39 ff e9 69 ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 28 fe 6c 9f e8 eb 90 fd ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 50 fe 6c 9f 48 01 [ 41.368909] RSP: 0018:ffff9b2f425d7e58 EFLAGS: 00010246 [ 41.374740] RAX: 000000000000002e RBX: 0000000000000027 RCX: 0000000000000000 [ 41.382709] RDX: 0000000000000000 RSI: ffff8ae6fad9bf70 RDI: ffff8ae6fad9bf70 [ 41.390676] RBP: ffffffff9f6cef19 R08: 0000000000000000 R09: 0000000000000000 [ 41.398644] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c [ 41.406611] R13: ffff9b2f425d7f10 R14: ffff9b2f425d7f10 R15: ffff8ae6845e1000 [ 41.414578] FS: 00007fbca46d5580(0000) GS:ffff8ae6fad80000(0000) knlGS:0000000000000000 [ 41.423614] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.430029] CR2: 0000000000000000 CR3: 0000000103bae004 CR4: 00000000003706e0 [ 41.437997] Call Trace: [ 41.440725] direct_entry.cold+0x2c/0x38 [ 41.445103] full_proxy_write+0x53/0x80 [ 41.449383] vfs_write+0xe7/0x3b0 [ 41.453079] ksys_write+0x68/0xf0 [ 41.456775] do_syscall_64+0x30/0x40 [ 41.460763] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 41.466393] RIP: 0033:0x7fbca45eb833 [ 41.470380] 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 [ 41.491360] RSP: 002b:00007ffe8d92b438 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 41.499814] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007fbca45eb833 [ 41.507781] RDX: 000000000000000c RSI: 00007fbca44de000 RDI: 0000000000000001 [ 41.515768] RBP: 00007fbca44de000 R08: 00007fbca44dd010 R09: 0000000000000000 [ 41.523727] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 41.531741] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 tm: HARDLOCKUP.sh # SKIP # selftests: lkdtm: SPINLOCKUP.sh # S[ 41.539737] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger cros_ec_sysfs uvcvideo cros_ec_sensorhub videobuf2_vmalloc cros_ec_chardev videobuf2_memops cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table [ 41.591607] CR2: 0000000000000000 kipping SPINLOCKUP: Hangs the system ok 28 selftests: lkdtm: SP[ 41.595306] ---[ end trace b9cc279d67662aa7 ]--- [ 41.606673] RIP: 0010:lkdtm_BUG+0x5/0x10 INLOCKUP.sh # SKIP # selftests: lkdtm: HUNG_TASK.sh # Skipping[ 41.611051] Code: 89 ff e8 ae 5b a2 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 90 8d 9f 02 [ 41.638244] RSP: 0018:ffff9b2f41357e60 EFLAGS: 00010286 [ 41.644078] RAX: ffffffff9e4f5960 RBX: 0000000000000001 RCX: 0000000000000000 [ 41.652046] RDX: 0000000000000000 RSI: ffff8ae6fad1bf70 RDI: ffffffff9f2d5a70 HUNG_TASK: Hangs the system ok 29 selftests: lkdtm: HUNG_TASK.[ 41.660006] RBP: ffffffff9f733438 R08: 0000000000000001 R09: 0000000000000001 [ 41.674187] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 41.682149] R13: ffff9b2f41357f10 R14: ffff9b2f41357f10 R15: ffff8ae683363000 [ 41.690118] FS: 00007fbca46d5580(0000) GS:ffff8ae6fad80000(0000) knlGS:0000000000000000 sh # SKIP # selftests: lkdtm: EXEC_DATA.sh # Killed # [ 36.[ 41.699155] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.711783] CR2: 0000000000000000 CR3: 0000000103bae004 CR4: 00000000003706e0 413960] lkdtm: Performing direct entry EXEC_DATA # [ 36.422137] lkdtm: attempting ok execution at ffffffff9e4f5d30 # [ 36.428671] lkdtm: attempting bad execution at ffffffffa0eee740 # [ 36.435304] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 36.449869] BUG: unable to handle page fault for address: ffffffffa0eee740 # [ 36.457547] #PF: supervisor instruction fetch in kernel mode # [ 36.463857] #PF: error_code(0x0011) - permissions violation # [ 36.470078] PGD 49229067 P4D 49229067 PUD 4922a063 PMD 800000004a8000e3 # [ 36.477565] Oops: 0011 [#5] SMP PTI # [ 36.487667] CPU: 3 PID: 1554 Comm: cat Tainted: G D W 5.10.173-cip27 #1 # [ 36.496315] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 36.503122] RIP: 0010:data_area+0x0/0x40 # [ 36.507517] Code: ff ff 00 3a 25 80 e6 8a ff ff 00 39 25 80 e6 8a ff ff 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 # [ 36.528496] RSP: 0018:ffff9b2f420e7e48 EFLAGS: 00010246 # [ 36.534320] RAX: 0000000000000033 RBX: 000000[ 41.830014] lkdtm: Performing direct entry WRITE_RO 0000000001 RCX: 0000000000000000 # [ 36.542288] RDX: 00000000[ 41.837068] lkdtm: attempting bad rodata write at ffffffff9f2d5ef0 00000000 RSI: ffff8ae6fad9bf70 RDI: ffff8ae6fad9bf70 # [ 36.5[ 41.850190] BUG: unable to handle page fault for address: ffffffff9f2d5ef0 [ 41.864076] #PF: supervisor write access in kernel mode [ 41.869908] #PF: error_code(0x0003) - permissions violation 50255] RBP: ffffffffa0eee740 R08: 0000000000000000 R09: 00000000[ 41.876129] PGD 49229067 P4D 49229067 PUD 4922a063 PMD 8000000048c000e1 [ 41.889833] Oops: 0003 [#14] SMP PTI [ 41.893813] CPU: 1 PID: 1875 Comm: cat Tainted: G D W 5.10.173-cip27 #1 [ 41.902462] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 41.909259] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a 00000000 # [ 36.558223] R10: 00000000ffffe000 R11: 3fffffffff[ 41.914219] Code: 00 48 c7 c7 08 fd 6c 9f 48 c7 c6 f0 5e 2d 9f e8 95 93 fd ff 48 8b 05 4f f1 75 00 ba 34 12 cd ab 48 c7 c7 38 fd 6c 9f 48 31 d0 <48> 89 05 39 f1 75 00 e9 73 93 fd ff 0f 1f 44 00 00 48 8b 05 68 d5 [ 41.941409] RSP: 0018:ffff9b2f42687e60 EFLAGS: 00010202 [ 41.947242] RAX: 000000000198b861 RBX: 0000000000000028 RCX: 0000000000000000 [ 41.955209] RDX: 00000000abcd1234 RSI: ffff8ae6fac9bf70 RDI: ffffffff9f6cfd38 [ 41.963176] RBP: ffffffff9f6cef25 R08: 0000000000000000 R09: 0000000000000000 [ 41.971144] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000009 [ 41.979110] R13: ffff9b2f42687f10 R14: ffff9b2f42687f10 R15: ffff8ae684870000 [ 41.987081] FS: 00007f3ef04da580(0000) GS:ffff8ae6fac80000(0000) knlGS:0000000000000000 [ 41.996116] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.002529] CR2: ffffffff9f2d5ef0 CR3: 0000000104972006 CR4: 00000000003706e0 [ 42.010496] Call Trace: [ 42.013222] direct_entry.cold+0x2c/0x38 [ 42.017602] full_proxy_write+0x53/0x80 ffffff R12: 000000000000000a # [ 36.566190] R13: ffff9b2f420e[ 42.021884] vfs_write+0xe7/0x3b0 [ 42.031791] ksys_write+0x68/0xf0 [ 42.035488] do_syscall_64+0x30/0x40 [ 42.039478] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 42.045115] RIP: 0033:0x7f3ef03f0833 [ 42.049103] 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 [ 42.070082] RSP: 002b:00007ffd1e283c88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 42.078536] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f3ef03f0833 [ 42.086505] RDX: 0000000000000009 RSI: 00007f3ef02e3000 RDI: 0000000000000001 [ 42.094474] RBP: 00007f3ef02e3000 R08: 00007f3ef02e2010 R09: 0000000000000000 [ 42.102442] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 42.110408] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 7f10 R14: ffff9b2f420e7f10 R15: ffff8ae682659000 # [ 36.57415[ 42.118380] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger cros_ec_sysfs uvcvideo cros_ec_sensorhub videobuf2_vmalloc cros_ec_chardev videobuf2_memops cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table [ 42.170241] CR2: ffffffff9f2d5ef0 [ 42.173939] ---[ end trace b9cc279d67662aa8 ]--- [ 42.179094] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 42.183471] Code: 89 ff e8 ae 5b a2 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 90 8d 9f 02 [ 42.204443] RSP: 0018:ffff9b2f41357e60 EFLAGS: 00010286 [ 42.210267] RAX: ffffffff9e4f5960 RBX: 0000000000000001 RCX: 0000000000000000 [ 42.218234] RDX: 0000000000000000 RSI: ffff8ae6fad1bf70 RDI: ffffffff9f2d5a70 [ 42.226201] RBP: ffffffff9f733438 R08: 0000000000000001 R09: 0000000000000001 [ 42.234168] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 42.242134] R13: ffff9b2f41357f10 R14: ffff9b2f41357f10 R15: ffff8ae683363000 [ 42.250103] FS: 00007f3ef04da580(0000) GS:ffff8ae6fac80000(0000) knlGS:0000000000000000 [ 42.259138] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.265554] CR2: ffffffff9f2d5ef0 CR3: 0000000104972006 CR4: 00000000003706e0 [ 42.273522] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 42.283431] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1875, name: cat [ 42.291885] INFO: lockdep is turned off. [ 42.296259] irq event stamp: 0 [ 42.299664] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 42.306661] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 42.315794] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 42.324927] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 42.331923] CPU: 1 PID: 1875 Comm: cat Tainted: G D W 5.10.173-cip27 #1 [ 42.340579] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 42.347382] Call Trace: [ 42.350107] dump_stack+0x77/0x9b [ 42.353806] ___might_sleep.cold+0xa6/0xb6 [ 42.358377] exit_signals+0x1c/0x300 [ 42.362365] do_exit+0xc2/0xb00 [ 42.365868] ? ksys_write+0x68/0xf0 [ 42.369752] make_task_dead+0x2f/0x30 [ 42.373837] rewind_stack_and_make_dead+0x17/0x20 [ 42.379079] RIP: 0033:0x7f3ef03f0833 [ 42.383065] 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 [ 42.404045] RSP: 002b:00007ffd1e283c88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 42.412500] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f3ef03f0833 [ 42.420467] RDX: 0000000000000009 RSI: 00007f3ef02e3000 RDI: 0000000000000001 [ 42.428435] RBP: 00007f3ef02e3000 R08: 00007f3ef02e2010 R09: 0000000000000000 [ 42.436437] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 7] FS: 00007f73d9d77580(0000) GS:ffff8ae6fad80000(0000) knlGS:0[ 42.444414] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 000000000000000 # [ 36.583192] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 36.589606] CR2: ffffffffa0eee740 CR3: 0000000103c76001 CR4: 00000000003706e0 # [ 36.597574] Call Trace: # [ 36.600302] ? execute_location+0x45/0x56 # [ 36.604776] ? direct_entry.cold+0x2c/0x38 # [ 36.609348] ? full_proxy_write+0x53/0x80 # [ 36.613822] ? vfs_write+0xe7/0x3b0 # [ 36.617704] ? ksys_write+0x68/0xf0 # [ 36.621595] ? do_syscall_64+0x30/0x40 # [ 36.625776] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 36.631612] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger cros_ec_sysfs uvcvideo cros_ec_sensorhub videobuf2_vmalloc cros_ec_chardev videobuf2_memops cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 36.683524] CR2: ffffffffa0eee740 # [ 36.687223] ---[ end trace b9cc279d67662a9f ]--- # [ 36.692376] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 36.696742] Code: 89 ff e8 ae 5b a2 ff 48 c7 c0 ea ff ff ff eb[ 42.572911] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb [ 42.583263] lkdtm: attempting bad ro_after_init write at ffffffff9f754330 c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00[ 42.597096] BUG: unable to handle page fault for address: ffffffff9f754330 [ 42.610943] #PF: supervisor write access in kernel mode [ 42.616766] #PF: error_code(0x0003) - permissions violation [ 42.622985] PGD 49229067 P4D 49229067 PUD 4922a063 PMD 105435063 PTE 8000000049154061 [ 42.631738] Oops: 0003 [#15] SMP PTI [ 42.635725] CPU: 0 PID: 1910 Comm: cat Tainted: G D W 5.10.173-cip27 #1 [ 42.644372] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 42.651177] RIP: 0010:lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a [ 42.657205] Code: fd 6c 9f e9 47 93 fd ff 48 c7 c7 90 fd 6c 9f e8 3b 93 fd ff 48 8b 05 35 d5 bd 00 ba 34 12 cd ab 48 c7 c7 38 fd 6c 9f 48 31 d0 <48> 89 05 1f d5 bd 00 e9 19 93 fd ff 0f 1f 44 00 00 41 54 48 c7 c7 [ 42.678177] RSP: 0018:ffff9b2f426e7e60 EFLAGS: 00010202 [ 42.684008] RAX: 00000000fe67479e RBX: 0000000000000029 RCX: 0000000000000000 [ 42.691976] RDX: 00000000abcd1234 RSI: ffff8ae6fac1bf70 RDI: ffffffff9f6cfd38 [ 42.699945] RBP: ffffffff9f6cef2e R08: 0000000000000000 R09: 0000000000000000 [ 42.707913] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000014 [ 42.715881] R13: ffff9b2f426e7f10 R14: ffff9b2f426e7f10 R15: ffff8ae684949000 [ 42.723848] FS: 00007f6356225580(0000) GS:ffff8ae6fac00000(0000) knlGS:0000000000000000 [ 42.732884] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.739297] CR2: ffffffff9f754330 CR3: 0000000102ae6004 CR4: 00000000003706f0 [ 42.747265] Call Trace: [ 42.750004] direct_entry.cold+0x2c/0x38 [ 42.754390] full_proxy_write+0x53/0x80 [ 42.758675] vfs_write+0xe7/0x3b0 [ 42.762363] ksys_write+0x68/0xf0 [ 42.766059] do_syscall_64+0x30/0x40 [ 42.770038] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 42.775676] RIP: 0033:0x7f635613b833 [ 42.779661] 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 [ 42.800641] RSP: 002b:00007ffd75838f38 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 42.809094] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f635613b833 [ 42.817062] RDX: 0000000000000014 RSI: 00007f635602e000 RDI: 0000000000000001 [ 42.825029] RBP: 00007f635602e000 R08: 00007f635602d010 R09: 0000000000000000 [ 42.832998] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 42.840965] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 42.848939] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger cros_ec_sysfs uvcvideo cros_ec_sensorhub videobuf2_vmalloc cros_ec_chardev videobuf2_memops cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table [ 42.894612] CR2: ffffffff9f754330 [ 42.898308] ---[ end trace b9cc279d67662aa9 ]--- [ 42.903461] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 42.907838] Code: 89 ff e8 ae 5b a2 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 90 8d 9f 02 [ 42.928807] RSP: 0018:ffff9b2f41357e60 EFLAGS: 00010286 [ 42.934640] RAX: ffffffff9e4f5960 RBX: 0000000000000001 RCX: 0000000000000000 [ 42.942607] RDX: 0000000000000000 RSI: ffff8ae6fad1bf70 RDI: ffffffff9f2d5a70 [ 42.950574] RBP: ffffffff9f733438 R08: 0000000000000001 R09: 0000000000000001 [ 42.958541] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 42.966511] R13: ffff9b2f41357f10 R14: ffff9b2f41357f10 R15: ffff8ae683363000 [ 42.974477] FS: 00007f6356225580(0000) GS:ffff8ae6fac00000(0000) knlGS:0000000000000000 [ 42.983515] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.989929] CR2: ffffffff9f754330 CR3: 0000000102ae6004 CR4: 00000000003706f0 00 83 05 90 8d 9f 02 # [ 36.717719] RSP: 0018:ffff9b2f41357e60 EFLAGS: 00010286 # [ 36.723550] RAX: ffffffff9e4f5960 RBX: 0000000000000001 RCX: 0000000000000000 # [ 36.731518] RDX: 0000000000000000 RSI: ffff8ae6fad1bf70 RDI: ffffffff9f2d5a70 # [ 36.739485] RBP: ffffffff9f733438 R08: 0000000000000001 R09: 0000000000000001 # [ 36.747454] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 36.755421] R13: ffff9b2f41357f10 R14: ffff9b2f41357f10 R15: ffff8ae683363000 # [ 36.763389] FS: 00007f73d9d77580(0000) GS:ffff8ae6fad80000(0000) knlGS:0000000000000000 # [ 36.772424] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 36.778839] CR2: ffffffffa0eee740 CR3: 0000000103c76001 CR4: 00000000003706e0 # [ 36.786807] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 36.796708] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1554, name: cat # [ 36.805160] INFO: lockdep is turned off. # [ 36.809535] irq event stamp: 0 # [ 36.812940] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 36.819937] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 36.829078] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 36.838211] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 36.845208] CPU: 3 PID: 1554 Comm: cat Tainted: G D W 5.10.173-cip27 #1 # [ 36.853854] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 36.860656] Call Trace: # [ 36.863382] dump_stack+0x77/0x9b # [ 36.867079] ___might_sleep.cold+0xa6/0xb6 # [ 36.871651] exit_signals+0x1c/0x300 # [ 36.875631] do_exit+0xc2/0xb00 # [ 36.879133] ? ksys_write+0x68/0xf0 # [ 36.883023] make_task_dead+0x2f/0x30 # [ 36.887107] rewind_stack_and_mak[ 43.174333] lkdtm: Performing direct entry WRITE_KERN e_dead+0x17/0x20 # [ 36.892357] RIP: 0033:0x7f73d9c8d833 # [[ 43.183863] lkdtm: attempting bad 6819819 byte write at ffffffff9eb76d1b 36.896344] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff[ 43.197579] BUG: unable to handle page fault for address: ffffffff9eb76d1b [ 43.211435] #PF: supervisor write access in kernel mode [ 43.217268] #PF: error_code(0x0003) - permissions violation [ 43.223489] PGD 49229067 P4D 49229067 PUD 4922a063 PMD 484000e1 [ 43.230205] Oops: 0003 [#16] SMP PTI [ 43.234185] CPU: 0 PID: 1945 Comm: cat Tainted: G D W 5.10.173-cip27 #1 [ 43.242825] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 43.249631] RIP: 0010:lkdtm_WRITE_KERN+0x38/0x4e [ 43.254790] Code: 53 48 c7 c3 1b 6d b7 9e 49 89 dc 48 89 da 49 81 ec 30 5d 4f 9e 4c 89 e6 e8 ee 92 fd ff 48 89 df 4c 89 e1 48 c7 c6 30 5d 4f 9e a4 48 c7 c7 38 fd 6c 9f e8 d3 92 fd ff 5b 41 5c e9 b7 fe ff ff [ 43.275771] RSP: 0018:ffff9b2f4277fe50 EFLAGS: 00010246 [ 43.281594] RAX: 000000000000003c RBX: ffffffff9eb76d1b RCX: 0000000000680feb [ 43.289562] RDX: 0000000000000000 RSI: ffffffff9e4f5d30 RDI: ffffffff9eb76d1b [ 43.297530] RBP: ffffffff9f6cef42 R08: 0000000000000000 R09: 0000000000000000 [ 43.305498] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000680feb [ 43.313468] R13: ffff9b2f4277ff10 R14: ffff9b2f4277ff10 R15: ffff8ae6846f4000 [ 43.321436] FS: 00007f0cde167580(0000) GS:ffff8ae6fac00000(0000) knlGS:0000000000000000 [ 43.330471] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.336886] CR2: ffffffff9eb76d1b CR3: 00000001046d6002 CR4: 00000000003706f0 [ 43.344854] Call Trace: [ 43.347583] direct_entry.cold+0x2c/0x38 [ 43.351959] full_proxy_write+0x53/0x80 [ 43.356245] vfs_write+0xe7/0x3b0 [ 43.359947] ksys_write+0x68/0xf0 [ 43.363637] do_syscall_64+0x30/0x40 [ 43.367633] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 43.373273] RIP: 0033:0x7f0cde07d833 [ 43.377260] 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 [ 43.398240] RSP: 002b:00007fff581f5098 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 43.406694] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f0cde07d833 [ 43.414663] RDX: 000000000000000b RSI: 00007f0cddf70000 RDI: 0000000000000001 [ 43.422631] RBP: 00007f0cddf70000 R08: 00007f0cddf6f010 R09: 0000000000000000 [ 43.430599] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 43.438566] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 43.446538] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger cros_ec_sysfs uvcvideo cros_ec_sensorhub videobuf2_vmalloc cros_ec_chardev videobuf2_memops cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table [ 43.492210] CR2: ffffffff9eb76d1b [ 43.495906] ---[ end trace b9cc279d67662aaa ]--- [ 43.501059] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 43.505436] Code: 89 ff e8 ae 5b a2 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 90 8d 9f 02 [ 43.526408] RSP: 0018:ffff9b2f41357e60 EFLAGS: 00010286 [ 43.532233] RAX: ffffffff9e4f5960 RBX: 0000000000000001 RCX: 0000000000000000 [ 43.540202] RDX: 0000000000000000 RSI: ffff8ae6fad1bf70 RDI: ffffffff9f2d5a70 [ 43.548169] RBP: ffffffff9f733438 R08: 0000000000000001 R09: 0000000000000001 [ 43.556137] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 43.564105] R13: ffff9b2f41357f10 R14: ffff9b2f41357f10 R15: ffff8ae683363000 [ 43.572073] FS: 00007f0cde167580(0000) GS:ffff8ae6fac00000(0000) knlGS:0000000000000000 [ 43.581109] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.587524] CR2: ffffffff9eb76d1b CR3: 00000001046d6002 CR4: 00000000003706f0 [ 43.595492] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 43.605403] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1945, name: cat [ 43.613857] INFO: lockdep is turned off. [ 43.618231] irq event stamp: 0 [ 43.621635] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 43.628634] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 43.637760] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 43.646886] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 43.653884] CPU: 0 PID: 1945 Comm: cat Tainted: G D W 5.10.173-cip27 #1 [ 43.662522] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 43.669323] Call Trace: [ 43.672049] dump_stack+0x77/0x9b [ 43.675747] ___might_sleep.cold+0xa6/0xb6 [ 43.680317] exit_signals+0x1c/0x300 [ 43.684297] do_exit+0xc2/0xb00 [ 43.687800] ? ksys_write+0x68/0xf0 [ 43.691681] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 [ 43.697116] make_task_dead+0x2f/0x30 [ 43.701201] rewind_stack_and_make_dead+0x17/0x20 [ 43.706442] RIP: 0033:0x7f0cde07d833 [ 43.710420] 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 [ 43.731399] RSP: 002b:00007fff581f5098 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 43.739853] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f0cde07d833 [ 43.747820] RDX: 000000000000000b RSI: 00007f0cddf70000 RDI: 0000000000000001 [ 43.755787] RBP: 00007f0cddf70000 R08: 00007f0cddf6f010 R09: 0000000000000000 [ 43.763755] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 43.771723] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 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 # [ 36.917314] RSP: 002b:00007ffcf0f77ac8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 36.925777] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f73d9c8d833 # [ 36.933750] RDX: 000000000000000a RSI: 00007f73d9b80000 RDI: 0000000000000001 # [ 36.941724] RBP: 00007f73d9b80000 R08: 00007f73d9b7f010 R09: 0000000000000000 # [ 36.949698] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 36.957673] 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 # [ 37.063254] lkdtm: Performing direct entry EXEC_STACK # [ 37.070773] lkdtm: attempting ok execution at ffffffff9e4f5d30 # [ 37.083499] lkdtm: attempting bad execution at ffff9b2f42177e18 # [ 37.096321] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 37.110884] BUG: unable to handle page fault for address: ffff9b2f42177e18 # [ 37.118560] #PF: supervisor instruction fetch in kernel mode # [ 37.124876] #PF: error_code(0x0011) - permissions violation # [ 37.131097] PGD 100000067 P4D 100000067 PUD 100214067 PMD 10487a067 PTE 8000000102ad9063 # [ 37.140138] Oops: 0011 [#6] SMP PTI # [ 37.150241] CPU: 1 PID: 1590 Comm: cat Tainted: G D W 5.10.173-cip27 #1 # [ 37.158888] Hardware na[ 43.924068] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW me: Google Rammus/Rammus, BIOS 09/04/2020 # [ 37.165691] RIP[ 43.935593] lkdtm: attempting good refcount_inc() without overflow : 0010:0xffff9b2f42177e18 # [ 37.170058] Code: 00 00 18 7e 17[ 43.948711] lkdtm: attempting bad refcount_inc() overflow [ 43.960950] ------------[ cut here ]------------ 42 2f 9b ff ff 71 6d b7 9e ff ff ff ff 20 00 00 00 00 00 00 00 [ 43.966107] refcount_t: saturated; leaking memory. be ee 6c 9f ff ff ff ff a0 6e b7 9e ff ff ff ff <0f> 1f 44 00 00[ 43.977698] WARNING: CPU: 1 PID: 1980 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 # [ 37.19[ 43.993309] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger cros_ec_sysfs uvcvideo cros_ec_sensorhub videobuf2_vmalloc cros_ec_chardev videobuf2_memops cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table 1039] RSP: 0018:ffff9b2f42177df8 EFLAGS: 00010246 # [ 37.1968[ 44.045171] CPU: 1 PID: 1980 Comm: cat Tainted: G D W 5.10.173-cip27 #1 [ 44.060038] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 71] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 00000000000[ 44.066845] RIP: 0010:refcount_warn_saturate+0x51/0x110 00000 # [ 37.204838] RDX: 0000000000000000 RSI: ffff8ae6fac9b[ 44.078893] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 47 0b 94 01 00 75 ee 48 c7 c7 e8 8f 66 9f c6 05 37 0b 94 01 01 e8 fc a0 98 00 <0f> 0b c3 cc cc cc cc 80 3d 23 0b 94 01 00 75 cb 48 c7 c7 10 90 66 f70 RDI: ffff8ae6fac9bf70 # [ 37.212806] RBP: ffff9b2f42177e1[ 44.106091] RSP: 0018:ffff9b2f427ffe48 EFLAGS: 00010286 8 R08: 0000000000000000 R09: 0000000000000000 # [ 37.220774] [ 44.118139] RAX: 0000000000000000 RBX: 000000000000002b RCX: 0000000000000000 R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000[ 44.132331] RDX: ffff8ae6facac660 RSI: ffff8ae6fac9bf70 RDI: ffff8ae6fac9bf70 [ 44.146515] RBP: ffffffff9f6cef4d R08: 0000000000000000 R09: 0000000000000000 b # [ 37.228740] R13: ffff9b2f42177f10 R14: ffff9b2f42177f10 [ 44.154487] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 R15: ffff8ae6835d5000 # [ 37.236707] FS: 00007f8ba6e81580(00[ 44.168693] R13: ffff9b2f427fff10 R14: ffff9b2f427fff10 R15: ffff8ae685676000 00) GS:ffff8ae6fac80000(0000) knlGS:0000000000000000 # [ 37.2[ 44.182861] FS: 00007fcafeddc580(0000) GS:ffff8ae6fac80000(0000) knlGS:0000000000000000 [ 44.198110] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 45742] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ [ 44.204530] CR2: 00007fcafebe5000 CR3: 000000010496a001 CR4: 00000000003706e0 [ 44.218712] Call Trace: 37.252156] CR2: ffff9b2f42177e18 CR3: 00000001046d0005 CR4: 0000[ 44.221446] lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x98 0000003706e0 # [ 37.260123] Call Trace: # [ 37.262852] ? [ 44.233001] direct_entry.cold+0x2c/0x38 execute_location+0x45/0x56 # [ 37.267327] ? lkdtm_EXEC_STACK[ 44.243597] full_proxy_write+0x53/0x80 +0x26/0x44 # [ 37.278012] ? direct_entry.cold+0x2c/0x38 # [[ 44.254094] vfs_write+0xe7/0x3b0 37.282586] ? full_proxy_write+0x53/0x80 # [ 37.287061] ?[ 44.264008] ksys_write+0x68/0xf0 vfs_write+0xe7/0x3b0 # [ 37.297162] ? ksys_write+0x68/0xf0 [ 44.273927] do_syscall_64+0x30/0x40 # [ 37.301054] ? do_syscall_64+0x30/0x40 # [ 37.305236] [ 44.284133] entry_SYSCALL_64_after_hwframe+0x61/0xc6 ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 37.311071] Mod[ 44.295989] RIP: 0033:0x7fcafecf2833 ules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors[ 44.306195] 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 cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf in[ 44.333395] RSP: 002b:00007fffabdea878 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 44.348068] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fcafecf2833 dustrialio cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger[ 44.356044] RDX: 0000000000000016 RSI: 00007fcafebe5000 RDI: 0000000000000001 [ 44.370226] RBP: 00007fcafebe5000 R08: 00007fcafebe4010 R09: 0000000000000000 cros_ec_sysfs uvcvideo cros_ec_sensorhub videobuf2_vmalloc cros[ 44.378202] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 _ec_chardev videobuf2_memops cros_ec_debugfs videobuf2_v4l2 gsmi[ 44.392386] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 x86_pkg_temp_thermal cros_ec_dev videobuf2_common i2c_hid cros_[ 44.406581] irq event stamp: 0 usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_tab[ 44.416199] hardirqs last enabled at (0): [<0000000000000000>] 0x0 le # [ 37.362926] CR2: ffff9b2f42177e18 # [ 37.366623] ---[ 44.429418] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ end trace b9cc279d67662aa0 ]--- # [ 37.371768] RIP: 0010:lk[ 44.444772] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 dtm_BUG+0x5/0x10 # [ 37.376143] Code: 89 ff e8 ae 5b a2 ff 48[ 44.460127] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 44.473345] ---[ end trace b9cc279d67662aab ]--- c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 [ 44.478504] lkdtm: Overflow detected: saturated 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 90 8d 9f 02 # [ 37.397123] RSP: 0018:ffff9b2f41357e60 EFLAGS: 00010286 # [ 37.402946] RAX: ffffffff9e4f5960 RBX: 0000000000000001 RCX: 0000000000000000 # [ 37.410914] RDX: 0000000000000000 RSI: ffff8ae6fad1bf70 RDI: ffffffff9f2d5a70 # [ 37.418880] RBP: ffffffff9f733438 R08: 0000000000000001 R09: 0000000000000001 # [ 37.426848] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 37.434815] R13: ffff9b2f41357f10 R14: ffff9b2f41357f10 R15: ffff8ae683363000 # [ 37.442784] FS: 00007f8ba6e81580(0000) GS:ffff8ae6fac80000(0000) knlGS:0000000000000000 # [ 37.451819] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 37.458235] CR2: ffff9b2f42177e18 CR3: 00000001046d0005 CR4: 00000000003706e0 # EXEC_STACK: saw 'call trace:': ok ok 31 selftests: lkdtm: EXEC_STACK.sh # selftests: lkdtm: EXEC_KMALLOC.sh # Killed # [ 37.642047] lkdtm: Performing direct entry EXEC_KMALLOC # [ 37.652296] lkdtm: attempting ok execution at ffffffff9e4f5d3[ 44.591895] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW [ 44.602262] lkdtm: attempting good refcount_add() without overflow [ 44.609168] lkdtm: attempting bad refcount_add() overflow [ 44.615201] ------------[ cut here ]------------ [ 44.620358] refcount_t: saturated; leaking memory. [ 44.625717] WARNING: CPU: 3 PID: 2012 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 0 # [ 37.658845] lkdtm: attempting bad execution at ffff8ae68[ 44.635152] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger cros_ec_sysfs uvcvideo cros_ec_sensorhub videobuf2_vmalloc cros_ec_chardev videobuf2_memops cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table [ 44.687050] CPU: 3 PID: 2012 Comm: cat Tainted: G D W 5.10.173-cip27 #1 [ 44.695727] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 5f5ad00 # [ 37.671683] kernel tried to execute NX-protected p[ 44.702537] RIP: 0010:refcount_warn_saturate+0x51/0x110 [ 44.714585] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 47 0b 94 01 00 75 ee 48 c7 c7 e8 8f 66 9f c6 05 37 0b 94 01 01 e8 fc a0 98 00 <0f> 0b c3 cc cc cc cc 80 3d 23 0b 94 01 00 75 cb 48 c7 c7 10 90 66 [ 44.735570] RSP: 0018:ffff9b2f4289fe48 EFLAGS: 00010286 [ 44.741430] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000 [ 44.749422] RDX: ffff8ae6fadac660 RSI: ffff8ae6fad9bf70 RDI: ffff8ae6fad9bf70 age - exploit attempt? (uid: 0) # [ 37.680049] BUG: unable to[ 44.757409] RBP: ffffffff9f6cef63 R08: 0000000000000000 R09: 0000000000000000 [ 44.771583] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 [ 44.779574] R13: ffff9b2f4289ff10 R14: ffff9b2f4289ff10 R15: ffff8ae683202000 [ 44.787564] FS: 00007f53a1380580(0000) GS:ffff8ae6fad80000(0000) knlGS:0000000000000000 [ 44.796604] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 44.803021] CR2: 00007f53a1189000 CR3: 00000001046fe003 CR4: 00000000003706e0 [ 44.810991] Call Trace: [ 44.813721] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa7 [ 44.819095] direct_entry.cold+0x2c/0x38 [ 44.823515] full_proxy_write+0x53/0x80 handle page fault for address: ffff8ae685f5ad00 # [ 37.69393[ 44.827809] vfs_write+0xe7/0x3b0 [ 44.837716] ksys_write+0x68/0xf0 [ 44.841416] do_syscall_64+0x30/0x40 [ 44.845433] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 44.851075] RIP: 0033:0x7f53a1296833 [ 44.855064] 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 [ 44.876046] RSP: 002b:00007ffd0fcc0298 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 44.884506] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f53a1296833 [ 44.892490] RDX: 0000000000000016 RSI: 00007f53a1189000 RDI: 0000000000000001 [ 44.900499] RBP: 00007f53a1189000 R08: 00007f53a1188010 R09: 0000000000000000 [ 44.908486] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 44.916460] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 44.924469] irq event stamp: 0 [ 44.927907] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 44.934909] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 44.944045] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 44.953181] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 44.960180] ---[ end trace b9cc279d67662aac ]--- 9] #PF: supervisor instruction fetch in kernel mode # [ 37.70[ 44.965336] lkdtm: Overflow detected: saturated 0257] #PF: error_code(0x0011) - permissions violation # [ 37.706477] PGD 4aa01067 P4D 4aa01067 PUD 10084f063 PMD 105eb5063 PTE 8000000105f5a063 # [ 37.715322] Oops: 0011 [#7] SMP PTI # [ 37.719212] CPU: 3 PID: 1626 Comm: cat Tainted: G D W 5.10.173-cip27 #1 # [ 37.727858] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 37.734664] RIP: 0010:0xffff8ae685f5ad00 # [ 37.739039] Code: ad de 00 66 8c 82 e6 8a ff ff 80 ab f5 85 e6 8a ff ff 00 00 00 00 00 00 00 00 00 00 00 00 40 00 38 00 09 00 40 00 18 00 17 00 <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 # [ 37.760019] RSP: 0018:ffff9b2f4220fe38 EFLAGS: 00010246 # [ 37.765852] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 37.773818] RDX: 0000000000000000 RSI: ffff8ae6fad9bf70 RDI: ffff8ae6fad9bf70 # [ 37.781786] RBP: ffff8ae685f5ad00 R08: 0000000000000000 R09: 0000000000000000 # [ 37.789753] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d # [ 37.797720] R13: ffff9b2f4220ff10 R14: ffff9b2f4220ff10 R15: ffff8ae684955000 # [ 37.805687] FS: 00007fea2129e580(0000) GS:ffff[ 45.086032] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW 8ae6fad80000(0000) knlGS:0000000000000000 # [ 37.814721] CS: [ 45.096227] lkdtm: attempting bad refcount_inc_not_zero() overflow 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 37.821137] [ 45.109343] ------------[ cut here ]------------ CR2: ffff8ae685f5ad00 CR3: 00000001028c2006 CR4: 00000000003706e[ 45.120718] refcount_t: saturated; leaking memory. 0 # [ 37.829105] Call Trace: # [ 37.831833] ? execute_loc[ 45.132304] WARNING: CPU: 0 PID: 2044 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 ation+0x45/0x56 # [ 37.836322] ? lkdtm_EXEC_KMALLOC+0x2c/0x4[ 45.147928] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger cros_ec_sysfs uvcvideo cros_ec_sensorhub videobuf2_vmalloc cros_ec_chardev videobuf2_memops cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table 0 # [ 37.840989] ? direct_entry.cold+0x2c/0x38 # [ 37.845[ 45.199788] CPU: 0 PID: 2044 Comm: cat Tainted: G D W 5.10.173-cip27 #1 562] ? full_proxy_write+0x53/0x80 # [ 37.850034] ? vfs_writ[ 45.214621] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 e+0xe7/0x3b0 # [ 37.853916] ? ksys_write+0x68/0xf0 # [ 37[ 45.227675] RIP: 0010:refcount_warn_saturate+0x97/0x110 .857808] ? do_syscall_64+0x30/0x40 # [ 37.861990] ? entry_S[ 45.239721] Code: 01 01 e8 d9 a0 98 00 0f 0b c3 cc cc cc cc 80 3d 02 0b 94 01 00 75 a8 48 c7 c7 e8 8f 66 9f c6 05 f2 0a 94 01 01 e8 b6 a0 98 00 <0f> 0b c3 cc cc cc cc 80 3d dc 0a 94 01 00 75 85 48 c7 c7 40 90 66 YSCALL_64_after_hwframe+0x61/0xc6 # [ 37.867825] Modules link[ 45.266925] RSP: 0018:ffff9b2f4291fe38 EFLAGS: 00010282 ed in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_[ 45.278957] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 sensors_core industrialio_triggered_buffer kfifo_buf industriali[ 45.293209] RDX: ffff8ae6fac2c660 RSI: ffff8ae6fac1bf70 RDI: ffff8ae6fac1bf70 o cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger cros_ec_[ 45.307351] RBP: ffffffff9f6ceba0 R08: 0000000000000000 R09: 0000000000000000 sysfs uvcvideo cros_ec_sensorhub videobuf2_vmalloc cros_ec_chard[ 45.321580] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f ev videobuf2_memops cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_[ 45.335770] R13: ffff9b2f4291ff10 R14: ffff9b2f4291ff10 R15: ffff8ae68368e000 temp_thermal cros_ec_dev videobuf2_common i2c_hid cros_usbpd_not[ 45.349949] FS: 00007f92feee7580(0000) GS:ffff8ae6fac00000(0000) knlGS:0000000000000000 ify cros_kbd_led_backlight chromeos_pstore coreboot_table # [ [ 45.365190] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 37.919721] CR2: ffff8ae685f5ad00 # [ 37.923409] ---[ end tra[ 45.377829] CR2: 00007f92fecf0000 CR3: 0000000104406006 CR4: 00000000003706f0 ce b9cc279d67662aa1 ]--- # [ 37.928562] RIP: 0010:lkdtm_BUG+0[ 45.392031] Call Trace: x5/0x10 # [ 37.932937] Code: 89 ff e8 ae 5b a2 ff 48 c7 c0 ea[ 45.400976] __refcount_add_not_zero.constprop.0+0x2a/0x35 ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 [ 45.413317] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x76 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00[ 45.425760] direct_entry.cold+0x2c/0x38 0f 1f 44 00 00 83 05 90 8d 9f 02 # [ 37.953918] RSP: 0018:ff[ 45.436359] full_proxy_write+0x53/0x80 ff9b2f41357e60 EFLAGS: 00010286 # [ 37.959741] RAX: ffffffff9[ 45.446860] vfs_write+0xe7/0x3b0 e4f5960 RBX: 0000000000000001 RCX: 0000000000000000 # [ 37.96[ 45.456772] ksys_write+0x68/0xf0 7708] RDX: 0000000000000000 RSI: ffff8ae6fad1bf70 RDI: ffffffff9[ 45.466700] do_syscall_64+0x30/0x40 f2d5a70 # [ 37.975677] RBP: ffffffff9f733438 R08: 00000000000[ 45.476899] entry_SYSCALL_64_after_hwframe+0x61/0xc6 00001 R09: 0000000000000001 # [ 37.983644] R10: 00000000ffffe[ 45.488745] RIP: 0033:0x7f92fedfd833 000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 37.991612[ 45.498947] 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 ] R13: ffff9b2f41357f10 R14: ffff9b2f41357f10 R15: ffff8ae683363[ 45.526152] RSP: 002b:00007ffde6727d78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 000 # [ 37.999579] FS: 00007fea2129e580(0000) GS:ffff8ae6fad[ 45.540845] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f92fedfd833 80000(0000) knlGS:0000000000000000 # [ 38.008614] CS: 0010 D[ 45.555069] RDX: 000000000000001f RSI: 00007f92fecf0000 RDI: 0000000000000001 S: 0000 ES: 0000 CR0: 0000000080050033 # [ 38.015028] CR2: ff[ 45.569316] RBP: 00007f92fecf0000 R08: 00007f92fecef010 R09: 0000000000000000 ff8ae685f5ad00 CR3: 00000001028c2006 CR4: 00000000003706e0 # [ [ 45.583491] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 38.022997] BUG: sleeping function called from invalid context [ 45.597685] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 at include/linux/percpu-rwsem.h:49 # [ 38.032908] in_atomic()[ 45.611896] irq event stamp: 0 : 0, irqs_disabled(): 1, non_block: 0, pid: 1626, name: cat # [[ 45.621480] hardirqs last enabled at (0): [<0000000000000000>] 0x0 38.041359] INFO: lockdep is turned off. # [ 38.045746] irq[ 45.634763] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 event stamp: 0 # [ 38.049150] hardirqs last enabled at (0):[ 45.650099] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [<0000000000000000>] 0x0 # [ 38.056149] hardirqs last disabl[ 45.665489] softirqs last disabled at (0): [<0000000000000000>] 0x0 ed at (0): [] copy_process+0x664/0x1cb0 # [ [ 45.678724] ---[ end trace b9cc279d67662aad ]--- 38.065285] softirqs last enabled at (0): [] [ 45.690122] lkdtm: Overflow detected: saturated copy_process+0x664/0x1cb0 # [ 38.074420] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 38.081418] CPU: 3 PID: 1626 Comm: cat Tainted: G D W 5.10.173-cip27 #1 # [ 38.090065] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 38.096867] Call Trace: # [ 38.099611] dump_stack+0x77/0x9b # [ 38.103309] ___might_sleep.cold+0xa6/0xb6 # [ 38.107871] exit_signals+0x1c/0x300 # [ 38.111850] do_exit+0xc2/0xb00 # [ 38.115354] ? ksys_write+0x68/0xf0 # [ 38.119247] make_task_dead+0x2f/0x30 # [ 38.123331] rewind_stack_and_make_dead+0x17/0x20 # [ 38.128593] RIP: 0033:0x7fea211b4833 # [ 38.132582] 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 # [ 38.153561] RSP: 002b:00007ffc4f4400c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 38.162007] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007fea211b4833 # [ 38.169975] RDX: 000000000000000d RSI: 00007fea210a7000 RDI: 0000000000000001 # [ 38.177943] RBP: 00007fea210a7000 R08: 00007fea210a6010 R09: 0000000000000000 # [ 38.185910] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 38.193878] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # EXEC_KMALLOC: saw 'call trace:[ 45.834260] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW ': ok ok 32 selftests: lkdtm: EXEC_KMALLOC.sh # selftests: lkd[ 45.845779] lkdtm: attempting bad refcount_add_not_zero() overflow tm: EXEC_VMALLOC.sh # Killed # [ 38.308999] lkdtm: Performin[ 45.858902] ------------[ cut here ]------------ g direct entry EXEC_VMALLOC # [ 38.319600] lkdtm: attempting [ 45.870260] refcount_t: saturated; leaking memory. ok execution at ffffffff9e4f5d30 # [ 38.326126] lkdtm: attemp[ 45.881858] WARNING: CPU: 0 PID: 2076 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 ting bad execution at ffff9b2f40379000 # [ 38.332768] kernel [ 45.897505] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger cros_ec_sysfs uvcvideo cros_ec_sensorhub videobuf2_vmalloc cros_ec_chardev videobuf2_memops cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table tried to execute NX-protected page - exploit attempt? (uid: 0) [ 45.949359] CPU: 0 PID: 2076 Comm: cat Tainted: G D W 5.10.173-cip27 #1 # [ 38.341132] BUG: unable to handle page fault for address: f[ 45.964223] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 fff9b2f40379000 # [ 38.355025] #PF: supervisor instruction fe[ 45.977242] RIP: 0010:refcount_warn_saturate+0x97/0x110 tch in kernel mode # [ 38.361346] #PF: error_code(0x0011) - p[ 45.989289] Code: 01 01 e8 d9 a0 98 00 0f 0b c3 cc cc cc cc 80 3d 02 0b 94 01 00 75 a8 48 c7 c7 e8 8f 66 9f c6 05 f2 0a 94 01 01 e8 b6 a0 98 00 <0f> 0b c3 cc cc cc cc 80 3d dc 0a 94 01 00 75 85 48 c7 c7 40 90 66 ermissions violation # [ 38.367568] PGD 100000067 P4D 1000000[ 46.016491] RSP: 0018:ffff9b2f42997e38 EFLAGS: 00010282 67 PUD 100214067 PMD 100949067 PTE 8000000102870063 # [ 38.38[ 46.028564] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 2826] Oops: 0011 [#8] SMP PTI # [ 38.386718] CPU: 2 PID: 1662[ 46.042757] RDX: ffff8ae6fac2c660 RSI: ffff8ae6fac1bf70 RDI: ffff8ae6fac1bf70 Comm: cat Tainted: G D W 5.10.173-cip27 #1 # [ [ 46.056964] RBP: ffffffff9f6cebc0 R08: 0000000000000000 R09: 0000000000000000 38.395367] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020[ 46.071155] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 38.402171] RIP: 0010:0xffff9b2f40379000 # [ 38.406540[ 46.085357] R13: ffff9b2f42997f10 R14: ffff9b2f42997f10 R15: ffff8ae685591000 ] Code: Unable to access opcode bytes at RIP 0xffff9b2f40378fd6.[ 46.099562] FS: 00007f866812a580(0000) GS:ffff8ae6fac00000(0000) knlGS:0000000000000000 # [ 38.414215] RSP: 0018:ffff9b2f4229fe38 EFLAGS: 00010246 [ 46.114831] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 38.420047] RAX: 0000000000000033 RBX: 0000000000000001 RCX[ 46.127457] CR2: 00007f8667f33000 CR3: 000000010388e004 CR4: 00000000003706f0 : 0000000000000000 # [ 38.428014] RDX: 0000000000000000 RSI: [ 46.141641] Call Trace: ffff8ae6fad1bf70 RDI: ffff8ae6fad1bf70 # [ 38.435982] RBP: ff[ 46.150619] __refcount_add_not_zero.constprop.0+0x2a/0x35 ff9b2f40379000 R08: 0000000000000000 R09: 0000000000000000 # [ [ 46.162928] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x76 38.443950] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 00[ 46.175464] direct_entry.cold+0x2c/0x38 0000000000000d # [ 38.451917] R13: ffff9b2f4229ff10 R14: ffff[ 46.186016] full_proxy_write+0x53/0x80 9b2f4229ff10 R15: ffff8ae682870000 # [ 38.459887] FS: 00007f[ 46.196556] vfs_write+0xe7/0x3b0 a233171580(0000) GS:ffff8ae6fad00000(0000) knlGS:000000000000000[ 46.206476] ksys_write+0x68/0xf0 0 # [ 38.468922] CS: 0010 DS: 0000 ES: 0000 CR0: 00000000800[ 46.216381] do_syscall_64+0x30/0x40 50033 # [ 38.475336] CR2: ffff9b2f40378fd6 CR3: 0000000104940[ 46.226604] entry_SYSCALL_64_after_hwframe+0x61/0xc6 004 CR4: 00000000003706e0 # [ 38.483305] Call Trace: # [ 3[ 46.238445] RIP: 0033:0x7f8668040833 8.486034] ? execute_location+0x45/0x56 # [ 38.490509] ? lkd[ 46.248702] 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 tm_EXEC_VMALLOC+0x20/0x30 # [ 38.495177] ? direct_entry.cold[ 46.275856] RSP: 002b:00007fff76ecf358 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 +0x2c/0x38 # [ 38.499739] ? full_proxy_write+0x53/0x80 # [ [ 46.290565] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f8668040833 38.504214] ? vfs_write+0xe7/0x3b0 # [ 38.508104] ? ksys_w[ 46.304711] RDX: 000000000000001f RSI: 00007f8667f33000 RDI: 0000000000000001 rite+0x68/0xf0 # [ 38.511987] ? do_syscall_64+0x30/0x40 # [[ 46.318950] RBP: 00007f8667f33000 R08: 00007f8667f32010 R09: 0000000000000000 38.516169] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ [ 46.333117] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 38.522006] Modules linked in: fuse ip_tables cros_ec_lid_angle [ 46.347324] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buff[ 46.361524] irq event stamp: 0 er kfifo_buf industrialio cros_usbpd_logger cros_ec_lightbar cro[ 46.371199] hardirqs last enabled at (0): [<0000000000000000>] 0x0 s_usbpd_charger cros_ec_sysfs uvcvideo cros_ec_sensorhub videobu[ 46.384386] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 f2_vmalloc cros_ec_chardev videobuf2_memops cros_ec_debugfs vide[ 46.399775] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 obuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_commo[ 46.415104] softirqs last disabled at (0): [<0000000000000000>] 0x0 n i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_psto[ 46.428346] ---[ end trace b9cc279d67662aae ]--- re coreboot_table # [ 38.573900] CR2: ffff9b2f40379000 # [ [ 46.439709] lkdtm: Overflow detected: saturated 38.577588] ---[ end trace b9cc279d67662aa2 ]--- # [ 38.582733] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 38.587100] Code: 89 ff e8 ae 5b a2 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 90 8d 9f 02 # [ 38.608079] RSP: 0018:ffff9b2f41357e60 EFLAGS: 00010286 # [ 38.613910] RAX: ffffffff9e4f5960 RBX: 0000000000000001 RCX: 0000000000000000 # [ 38.621880] RDX: 0000000000000000 RSI: ffff8ae6fad1bf70 RDI: ffffffff9f2d5a70 # [ 38.629848] RBP: ffffffff9f733438 R08: 0000000000000001 R09: 0000000000000001 # [ 38.637816] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 38.645785] R13: ffff9b2f41357f10 R14: ffff9b2f41357f10 R15: ffff8ae683363000 # [ 38.653752] FS: 00007fa233171580(0000) GS:ffff8ae6fad00000(0000) knlGS:0000000000000000 # [ 38.662788] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 38.669202] CR2: ffff9b2f40378fd6 CR3: 0000000104940004 CR4: 00000000003706e0 # EXEC_VMALLOC: saw 'call trace:': ok ok 33 selftests: lkdtm: EXEC_VMALLOC.sh # selftests: lkdtm: EXEC_ROD[ 46.560665] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO ATA.sh # Killed # [ 38.774677] lkdtm: Performing direct entr[ 46.569182] lkdtm: attempting good refcount_dec() y EXEC_RODATA # [ 38.782397] lkdtm: attempting ok execution a[ 46.580643] lkdtm: attempting bad refcount_dec() to zero t ffffffff9e4f5d30 # [ 38.795128] lkdtm: attempting bad execu[ 46.592813] ------------[ cut here ]------------ tion at ffffffff9f2d5f00 # [ 38.807977] kernel tried to execu[ 46.604194] refcount_t: decrement hit 0; leaking memory. te NX-protected page - exploit attempt? (uid: 0) # [ 38.82254[ 46.616383] WARNING: CPU: 0 PID: 2108 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 4] BUG: unable to handle page fault for address: ffffffff9f2d5f0[ 46.632000] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger cros_ec_sysfs uvcvideo cros_ec_sensorhub videobuf2_vmalloc cros_ec_chardev videobuf2_memops cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table 0 # [ 38.830221] #PF: supervisor instruction fetch in kernel [ 46.683872] CPU: 0 PID: 2108 Comm: cat Tainted: G D W 5.10.173-cip27 #1 mode # [ 38.836541] #PF: error_code(0x0011) - permissions vio[ 46.698749] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 lation # [ 38.842762] PGD 49229067 P4D 49229067 PUD 4922a063 [ 46.711779] RIP: 0010:refcount_warn_saturate+0xfb/0x110 PMD 8000000048c000e1 # [ 38.856466] Oops: 0011 [#9] SMP PTI [ 46.723822] Code: 98 90 66 9f c6 05 a3 0a 94 01 01 e8 6c a0 98 00 0f 0b c3 cc cc cc cc 48 c7 c7 68 90 66 9f c6 05 8a 0a 94 01 01 e8 52 a0 98 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 38.860358] CPU: 1 PID: 1698 Comm: cat Tainted: G D W[ 46.751061] RSP: 0018:ffff9b2f42a2fe48 EFLAGS: 00010286 5.10.173-cip27 #1 # [ 38.869005] Hardware name: Goog[ 46.763203] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000 le Rammus/Rammus, BIOS 09/04/2020 # [ 38.875811] RIP: 0010:l[ 46.777355] RDX: ffff8ae6fac2c660 RSI: ffff8ae6fac1bf70 RDI: ffff8ae6fac1bf70 kdtm_rodata_do_nothing+0x0/0x10 # [ 38.881547] Code: ff ff 10[ 46.791567] RBP: ffffffff9f6cef79 R08: 0000000000000000 R09: 0000000000000000 83 b7 9e ff ff ff ff 0a f1 6c 9f ff ff ff ff 56 6a b7 9e ff ff [ 46.805734] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 ff ff 55 aa 55 aa 00 00 00 00 00 00 00 00 00 00 00 00 00 00[ 46.820009] R13: ffff9b2f42a2ff10 R14: ffff9b2f42a2ff10 R15: ffff8ae685729000 00 00 00 00 00 00 00 00 00 00 00 00 00 54 68 69 73 20 69 # [ [ 46.834131] FS: 00007f595a351580(0000) GS:ffff8ae6fac00000(0000) knlGS:0000000000000000 38.908738] RSP: 0018:ffff9b2f42347e48 EFLAGS: 00010246 # [ 3[ 46.849431] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 8.914570] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 00000[ 46.862025] CR2: 00007f595a15a000 CR3: 0000000103646006 CR4: 00000000003706f0 00000000000 # [ 38.922538] RDX: 0000000000000000 RSI: ffff8ae[ 46.876237] Call Trace: 6fac9bf70 RDI: ffff8ae6fac9bf70 # [ 38.930506] RBP: ffffffff9[ 46.885170] lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xbd f2d5f00 R08: 0000000000000000 R09: 0000000000000000 # [ 38.93[ 46.896361] direct_entry.cold+0x2c/0x38 8473] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000[ 46.906942] full_proxy_write+0x53/0x80 000000c # [ 38.946440] R13: ffff9b2f42347f10 R14: ffff9b2f423[ 46.917466] vfs_write+0xe7/0x3b0 47f10 R15: ffff8ae683702000 # [ 38.954408] FS: 00007fb6770e1[ 46.927362] ksys_write+0x68/0xf0 580(0000) GS:ffff8ae6fac80000(0000) knlGS:0000000000000000 # [ [ 46.937290] do_syscall_64+0x30/0x40 38.963445] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.947484] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 38.969858] CR2: ffffffff9f2d5f00 CR3: 000000010364a001 CR4[ 46.959362] RIP: 0033:0x7f595a267833 : 00000000003706e0 # [ 38.977826] Call Trace: # [ 38.98055[ 46.969549] 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 5] ? execute_location+0x45/0x56 # [ 38.985050] ? direct_ent[ 46.996773] RSP: 002b:00007ffe8410e128 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 ry.cold+0x2c/0x38 # [ 38.995832] ? full_proxy_write+0x53/0x8[ 47.011423] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f595a267833 0 # [ 39.000308] ? vfs_write+0xe7/0x3b0 # [ 39.010407] ?[ 47.025637] RDX: 0000000000000012 RSI: 00007f595a15a000 RDI: 0000000000000001 ksys_write+0x68/0xf0 # [ 39.014298] ? do_syscall_64+0x30/0x[ 47.039802] RBP: 00007f595a15a000 R08: 00007f595a159010 R09: 0000000000000000 40 # [ 39.018471] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6[ 47.054009] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 39.024325] Modules linked in: fuse ip_tables cros_ec_lid[ 47.068180] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 _angle cros_ec_sensors cros_ec_sensors_core industrialio_trigger[ 47.082400] irq event stamp: 0 ed_buffer kfifo_buf industrialio cros_usbpd_logger cros_ec_light[ 47.091999] hardirqs last enabled at (0): [<0000000000000000>] 0x0 bar cros_usbpd_charger cros_ec_sysfs uvcvideo cros_ec_sensorhub [ 47.105228] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 videobuf2_vmalloc cros_ec_chardev videobuf2_memops cros_ec_debug[ 47.120565] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 fs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf[ 47.135937] softirqs last disabled at (0): [<0000000000000000>] 0x0 2_common i2c_hid cros_usbpd_notify cros_kbd_led_backlight chrome[ 47.149135] ---[ end trace b9cc279d67662aaf ]--- os_pstore coreboot_table # [ 39.076186] CR2: ffffffff9f2d5f00[ 47.160535] lkdtm: Zero detected: saturated # [ 39.079873] ---[ end trace b9cc279d67662aa3 ]--- # [ 39.085026] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 39.089394] Code: 89 ff e8 ae 5b a2 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 90 8d 9f 02 # [ 39.110373] RSP: 0018:ffff9b2f41357e60 EFLAGS: 00010286 # [ 39.116205] RAX: ffffffff9e4f5960 RBX: 0000000000000001 RCX: 0000000000000000 # [ 39.124219] RDX: 0000000000000000 RSI: ffff8ae6fad1bf70 RDI: ffffffff9f2d5a70 # [ 39.132202] RBP: ffffffff9f733438 R08: 0000000000000001 R09: 0000000000000001 # [ 39.140182] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 39.148167] R13: ffff9b2f41357f10 R14: ffff9b2f41357f10 R15: ffff8ae683363000 # [ 39.156153] FS: 00007fb6770e1580(0000) GS:ffff8ae6fac80000(0000) knlGS:0000000000000000 # [ 39.165193] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 39.171607] CR2: ffffffff9f2d5f00 CR3: 000000010364a001 CR4: 00000000003706e0 # [ 39.179574] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 39.189484] in_atomic(): 0, irqs_disabled(): 1, non_bloc[ 47.288214] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE k: 0, pid: 1698, name: cat # [ 39.197936] INFO: lockdep is tu[ 47.296227] lkdtm: attempting bad refcount_dec() below zero rned off. # [ 39.202312] irq event stamp: 0 # [ 39.205716][ 47.308665] ------------[ cut here ]------------ hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ [ 47.320039] refcount_t: decrement hit 0; leaking memory. 39.212716] hardirqs last disabled at (0): [] c[ 47.332228] WARNING: CPU: 0 PID: 2143 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 opy_process+0x664/0x1cb0 # [ 39.221848] softirqs last enable[ 47.347852] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger cros_ec_sysfs uvcvideo cros_ec_sensorhub videobuf2_vmalloc cros_ec_chardev videobuf2_memops cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table d at (0): [] copy_process+0x664/0x1cb0 # [ [ 47.399719] CPU: 0 PID: 2143 Comm: cat Tainted: G D W 5.10.173-cip27 #1 39.230996] softirqs last disabled at (0): [<0000000000000000>] 0[ 47.414607] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 x0 # [ 39.237994] CPU: 1 PID: 1698 Comm: cat Tainted: G [ 47.427617] RIP: 0010:refcount_warn_saturate+0xfb/0x110 D W 5.10.173-cip27 #1 # [ 39.246640] Hardware name: G[ 47.439718] Code: 98 90 66 9f c6 05 a3 0a 94 01 01 e8 6c a0 98 00 0f 0b c3 cc cc cc cc 48 c7 c7 68 90 66 9f c6 05 8a 0a 94 01 01 e8 52 a0 98 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b oogle Rammus/Rammus, BIOS 09/04/2020 # [ 39.253442] Call Tra[ 47.466910] RSP: 0018:ffff9b2f42aa7e48 EFLAGS: 00010286 ce: # [ 39.256167] dump_stack+0x77/0x9b # [ 39.259866] _[ 47.478954] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000 __might_sleep.cold+0xa6/0xb6 # [ 39.264427] exit_signals+0x1[ 47.493185] RDX: ffff8ae6fac2c660 RSI: ffff8ae6fac1bf70 RDI: ffff8ae6fac1bf70 c/0x300 # [ 39.268406] do_exit+0xc2/0xb00 # [ 39.271913] [ 47.507342] RBP: ffffffff9f6cef8b R08: 0000000000000000 R09: 0000000000000000 ? ksys_write+0x68/0xf0 # [ 39.275805] make_task_dead+0x2f/0[ 47.521564] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 x30 # [ 39.279892] rewind_stack_and_make_dead+0x17/0x20 # [[ 47.535733] R13: ffff9b2f42aa7f10 R14: ffff9b2f42aa7f10 R15: ffff8ae683641000 39.285143] RIP: 0033:0x7fb676ff7833 # [ 39.289130] Code: 8[ 47.549967] FS: 00007f9a7d8b1580(0000) GS:ffff8ae6fac00000(0000) knlGS:0000000000000000 b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f[ 47.565215] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48[ 47.577876] CR2: 00007f9a7d6ba000 CR3: 00000001046fa003 CR4: 00000000003706f0 > 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18[ 47.592039] Call Trace: # [ 39.310110] RSP: 002b:00007fff2aa92c78 EFLAGS: 00000246 O[ 47.601019] lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x61 RIG_RAX: 0000000000000001 # [ 39.318564] RAX: ffffffffffffffd[ 47.612608] direct_entry.cold+0x2c/0x38 a RBX: 000000000000000c RCX: 00007fb676ff7833 # [ 39.326531] [ 47.623182] full_proxy_write+0x53/0x80 RDX: 000000000000000c RSI: 00007fb676eea000 RDI: 000000000000000[ 47.633670] vfs_write+0xe7/0x3b0 1 # [ 39.334500] RBP: 00007fb676eea000 R08: 00007fb676ee9010 [ 47.643602] ksys_write+0x68/0xf0 R09: 0000000000000000 # [ 39.342467] R10: fffffffffffffbc5 R1[ 47.653506] do_syscall_64+0x30/0x40 1: 0000000000000246 R12: 0000000000000001 # [ 39.350434] R13:[ 47.663737] entry_SYSCALL_64_after_hwframe+0x61/0xc6 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 #[ 47.675577] RIP: 0033:0x7f9a7d7c7833 EXEC_RODATA: saw 'call trace:': ok ok 34 selftests: lkdtm: EXE[ 47.685832] 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 C_RODATA.sh # selftests: lkdtm: EXEC_USERSPACE.sh # Killed # [ 47.712993] RSP: 002b:00007ffdd6fb3888 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 39.501826] lkdtm: Performing direct entry EXEC_USERSPACE # [ 47.727686] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f9a7d7c7833 [ 39.513672] lkdtm: attempting ok execution at ffffffff9e4f5d3[ 47.741870] RDX: 0000000000000016 RSI: 00007f9a7d6ba000 RDI: 0000000000000001 0 # [ 39.526407] lkdtm: attempting bad execution at 00007f882[ 47.756057] RBP: 00007f9a7d6ba000 R08: 00007f9a7d6b9010 R09: 0000000000000000 695c000 # [ 39.539218] unable to execute userspace code (SMEP[ 47.770255] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 ?) (uid: 0) # [ 39.551829] BUG: unable to handle page fault f[ 47.784406] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 or address: 00007f882695c000 # [ 39.559506] #PF: supervisor i[ 47.798646] irq event stamp: 0 nstruction fetch in kernel mode # [ 39.565815] #PF: error_cod[ 47.808222] hardirqs last enabled at (0): [<0000000000000000>] 0x0 e(0x0011) - permissions violation # [ 39.572035] PGD 80000001[ 47.821467] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 05dae067 P4D 8000000105dae067 PUD 1046f4067 PMD 103347067 PTE 10[ 47.836788] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 bc8f067 # [ 39.581761] Oops: 0011 [#10] SMP PTI # [ 39.585[ 47.852151] softirqs last disabled at (0): [<0000000000000000>] 0x0 740] CPU: 0 PID: 1734 Comm: cat Tainted: G D W 5.10[ 47.865356] ---[ end trace b9cc279d67662ab0 ]--- .173-cip27 #1 # [ 39.594388] Hardware name: Google Rammus/Ram[ 47.876732] lkdtm: Negative detected: saturated mus, BIOS 09/04/2020 # [ 39.601194] RIP: 0010:0x7f882695c000 # [ 39.605181] Code: Unable to access opcode bytes at RIP 0x7f882695bfd6. # [ 39.612471] RSP: 0018:ffff9b2f423e7e50 EFLAGS: 00010246 # [ 39.618304] RAX: 0000000000000033 RBX: 0000000000000024 RCX: 0000000000000000 # [ 39.626273] RDX: 0000000000000000 RSI: ffff8ae6fac1bf70 RDI: ffff8ae6fac1bf70 # [ 39.634242] RBP: 00007f882695c000 R08: 0000000000000000 R09: 0000000000000000 # [ 39.642212] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000f # [ 39.650181] R13: ffff9b2f423e7f10 R14: ffff9b2f423e7f10 R15: ffff8ae6813ef000 # [ 39.658151] FS: 00007f882692d580(0000) GS:ffff8ae6fac00000(0000) knlGS:0000000000000000 # [ 39.667186] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 39.673600] CR2: 00007f882695c000 CR3: 0000000103890001 CR4: 00000000003706f0 # [ 39.681567] Call Trace: # [ 39.684296] ? lkdtm_EXEC_USERSPACE.cold+0x66/0xae # [ 39.689649] ? direct_entry.cold+0x2c/0x38 # [ 39.694223] ? full_proxy_write+0x53/0x80 # [ 39.698703] ? vfs_write+0xe7/0x3b0 # [ 39.702599] ? ksys_write+0x68/0xf0 # [ 39.706491] ? do_syscall_64+0x30/0x40 # [ 39.710681] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 39.716517] Modules linked i[ 48.006594] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE n: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sens[ 48.019893] lkdtm: attempting bad refcount_dec_and_test() below zero ors_core industrialio_triggered_buffer kfifo_buf industrialio cr[ 48.033203] ------------[ cut here ]------------ os_usbpd_logger cros_ec_lightbar cros_usbpd_charger cros_ec_sysf[ 48.044602] refcount_t: underflow; use-after-free. s uvcvideo cros_ec_sensorhub videobuf2_vmalloc cros_ec_chardev v[ 48.056181] WARNING: CPU: 0 PID: 2178 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 ideobuf2_memops cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp[ 48.071804] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger cros_ec_sysfs uvcvideo cros_ec_sensorhub videobuf2_vmalloc cros_ec_chardev videobuf2_memops cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table _thermal cros_ec_dev videobuf2_common i2c_hid cros_usbpd_notify [ 48.123675] CPU: 0 PID: 2178 Comm: cat Tainted: G D W 5.10.173-cip27 #1 cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 39.[ 48.138562] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 762193] CR2: 00007f882695c000 # [ 39.765890] ---[ end trace b[ 48.151584] RIP: 0010:refcount_warn_saturate+0xba/0x110 9cc279d67662aa4 ]--- # [ 39.771037] RIP: 0010:lkdtm_BUG+0x5/0[ 48.163630] Code: 01 01 e8 b6 a0 98 00 0f 0b c3 cc cc cc cc 80 3d dc 0a 94 01 00 75 85 48 c7 c7 40 90 66 9f c6 05 cc 0a 94 01 01 e8 93 a0 98 00 <0f> 0b c3 cc cc cc cc 80 3d b7 0a 94 01 00 0f 85 5e ff ff ff 48 c7 x10 # [ 39.775413] Code: 89 ff e8 ae 5b a2 ff 48 c7 c0 ea ff [ 48.190857] RSP: 0018:ffff9b2f42b3fe40 EFLAGS: 00010286 ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff f[ 48.202891] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000 f ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f [ 48.217097] RDX: ffff8ae6fac2c660 RSI: ffff8ae6fac1bf70 RDI: ffff8ae6fac1bf70 1f 44 00 00 83 05 90 8d 9f 02 # [ 39.796395] RSP: 0018:ffff9b[ 48.231270] RBP: ffffffff9f6cebe0 R08: 0000000000000000 R09: 0000000000000000 2f41357e60 EFLAGS: 00010286 # [ 39.802227] RAX: ffffffff9e4f5[ 48.245495] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f 960 RBX: 0000000000000001 RCX: 0000000000000000 # [ 39.810195[ 48.259640] R13: ffff9b2f42b3ff10 R14: ffff9b2f42b3ff10 R15: ffff8ae6857a6000 ] RDX: 0000000000000000 RSI: ffff8ae6fad1bf70 RDI: ffffffff9f2d5[ 48.273859] FS: 00007f5ef9cf8580(0000) GS:ffff8ae6fac00000(0000) knlGS:0000000000000000 a70 # [ 39.818162] RBP: ffffffff9f733438 R08: 000000000000000[ 48.289095] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 1 R09: 0000000000000001 # [ 39.826130] R10: 00000000ffffe000 [ 48.301737] CR2: 00007f5ef9b01000 CR3: 000000010334a006 CR4: 00000000003706f0 R11: 3fffffffffffffff R12: 0000000000000004 # [ 39.834098] R1[ 48.315917] Call Trace: 3: ffff9b2f41357f10 R14: ffff9b2f41357f10 R15: ffff8ae683363000 [ 48.324878] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 39.842067] FS: 00007f882692d580(0000) GS:ffff8ae6fac0000[ 48.337202] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x78 0(0000) knlGS:0000000000000000 # [ 39.851095] CS: 0010 DS: 0[ 48.349663] direct_entry.cold+0x2c/0x38 000 ES: 0000 CR0: 0000000080050033 # [ 39.857510] CR2: 00007f[ 48.360237] full_proxy_write+0x53/0x80 882695c000 CR3: 0000000103890001 CR4: 00000000003706f0 # EXEC_U[ 48.370753] vfs_write+0xe7/0x3b0 SERSPACE: saw 'call trace:': ok ok 35 selftests: lkdtm: EXEC_US[ 48.380651] ksys_write+0x68/0xf0 ERSPACE.sh # selftests: lkdtm: EXEC_NULL.sh # Killed # [ 39[ 48.390585] do_syscall_64+0x30/0x40 .969252] lkdtm: Performing direct entry EXEC_NULL # [ 39.9767[ 48.400773] entry_SYSCALL_64_after_hwframe+0x61/0xc6 16] lkdtm: attempting ok execution at ffffffff9e4f5d30 # [ 39[ 48.412651] RIP: 0033:0x7f5ef9c0e833 .989442] lkdtm: attempting bad execution at 0000000000000000 # [ 48.422846] 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 [ 40.002265] BUG: kernel NULL pointer dereference, address: 00[ 48.450080] RSP: 002b:00007fffd48b4948 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 00000000000000 # [ 40.016251] #PF: supervisor instruction fet[ 48.464729] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f5ef9c0e833 ch in kernel mode # [ 40.022570] #PF: error_code(0x0010) - no[ 48.478921] RDX: 000000000000001f RSI: 00007f5ef9b01000 RDI: 0000000000000001 t-present page # [ 40.028297] PGD 0 P4D 0 # [ 40.031123] [ 48.493101] RBP: 00007f5ef9b01000 R08: 00007f5ef9b00010 R09: 0000000000000000 Oops: 0010 [#11] SMP PTI # [ 40.041332] CPU: 1 PID: 1770 Comm[ 48.507284] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 : cat Tainted: G D W 5.10.173-cip27 #1 # [ 40.04[ 48.521468] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 9982] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [[ 48.535668] irq event stamp: 0 40.056787] RIP: 0010:0x0 # [ 40.059698] Code: Unable to ac[ 48.545278] hardirqs last enabled at (0): [<0000000000000000>] 0x0 cess opcode bytes at RIP 0xffffffffffffffd6. # [ 40.067367] R[ 48.558508] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 SP: 0018:ffff9b2f42457e48 EFLAGS: 00010246 # [ 40.073198] RAX[ 48.573846] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 : 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 [ 48.589227] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 40.081166] RDX: 0000000000000000 RSI: ffff8ae6fac9bf70 RDI[ 48.602423] ---[ end trace b9cc279d67662ab1 ]--- : ffff8ae6fac9bf70 # [ 40.089134] RBP: 0000000000000000 R08: [ 48.613794] lkdtm: Negative detected: saturated 0000000000000000 R09: 0000000000000000 # [ 40.097101] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 40.105069] R13: ffff9b2f42457f10 R14: ffff9b2f42457f10 R15: ffff8ae682ad0000 # [ 40.113037] FS: 00007fd415079580(0000) GS:ffff8ae6fac80000(0000) knlGS:0000000000000000 # [ 40.122074] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 40.128479] CR2: ffffffffffffffd6 CR3: 000000010388a006 CR4: 00000000003706e0 # [ 40.136447] Call Trace: # [ 40.139175] execute_location+0x45/0x56 # [ 40.143477] direct_entry.cold+0x2c/0x38 # [ 40.154066] full_proxy_write+0x53/0x80 # [ 40.158349] vfs_write+0xe7/0x3b0 # [ 40.168254] ksys_write+0x68/0xf0 # [ 40.171944] do_syscall_64+0x30/0x40 # [ 40.175933] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 40.181572] RIP: 0033:0x7fd414f8f833 # [ 40.185559] 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 # [ 40.206537] RSP: 002b:00007ffd915f0918 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 40.215007] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fd414f8f833 # [ 40.222998] RDX: 000000000000000a RSI: 00007fd414e82000 RDI: 0000000000000001 # [ 40.237179] RBP: 00007fd414e82000 R08: 00007fd414e81010 R09: 0000000000000000 [ 48.759278] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE [ 48.769367] lkdtm: attempting bad refcount_sub_and_test() below zero [ 48.776481] ------------[ cut here ]------------ [ 48.781641] refcount_t: underflow; use-after-free. [ 48.787050] WARNING: CPU: 3 PID: 2213 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 40.245147] R10: fffffffffffffbc5 R11: 0000000000000246 R1[ 48.796485] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger cros_ec_sysfs uvcvideo cros_ec_sensorhub videobuf2_vmalloc cros_ec_chardev videobuf2_memops cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table 2: 0000000000000001 # [ 40.253115] R13: 0000000000000001 R14:[ 48.848363] CPU: 3 PID: 2213 Comm: cat Tainted: G D W 5.10.173-cip27 #1 [ 48.863222] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 0000000000020000 R15: 0000000000020000 # [ 40.261086] Module[ 48.870032] RIP: 0010:refcount_warn_saturate+0xba/0x110 [ 48.882081] Code: 01 01 e8 b6 a0 98 00 0f 0b c3 cc cc cc cc 80 3d dc 0a 94 01 00 75 85 48 c7 c7 40 90 66 9f c6 05 cc 0a 94 01 01 e8 93 a0 98 00 <0f> 0b c3 cc cc cc cc 80 3d b7 0a 94 01 00 0f 85 5e ff ff ff 48 c7 [ 48.903069] RSP: 0018:ffff9b2f42bcfe40 EFLAGS: 00010286 [ 48.908936] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000 s linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cr[ 48.916911] RDX: ffff8ae6fadac660 RSI: ffff8ae6fad9bf70 RDI: ffff8ae6fad9bf70 [ 48.931096] RBP: ffffffff9f6cec00 R08: 0000000000000000 R09: 0000000000000000 os_ec_sensors_core industrialio_triggered_buffer kfifo_buf indus[ 48.939069] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f [ 48.953254] R13: ffff9b2f42bcff10 R14: ffff9b2f42bcff10 R15: ffff8ae683be7000 trialio cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger cr[ 48.961256] FS: 00007f464b20a580(0000) GS:ffff8ae6fad80000(0000) knlGS:0000000000000000 [ 48.976501] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.982922] CR2: 00007f464b013000 CR3: 0000000105702006 CR4: 00000000003706e0 [ 48.990949] Call Trace: os_ec_sysfs uvcvideo cros_ec_sensorhub videobuf2_vmalloc cros_ec[ 48.993699] __refcount_sub_and_test.constprop.0+0x3c/0x50 [ 49.006023] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x7b [ 49.012269] direct_entry.cold+0x2c/0x38 _chardev videobuf2_memops cros_ec_debugfs videobuf2_v4l2 gsmi x8[ 49.016658] full_proxy_write+0x53/0x80 [ 49.027149] vfs_write+0xe7/0x3b0 [ 49.030880] ksys_write+0x68/0xf0 [ 49.034583] do_syscall_64+0x30/0x40 [ 49.038607] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 49.044253] RIP: 0033:0x7f464b120833 6_pkg_temp_thermal cros_ec_dev videobuf2_common i2c_hid cros_usb[ 49.048253] 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 [ 49.075445] RSP: 002b:00007ffedec1b078 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 49.083903] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f464b120833 [ 49.091877] RDX: 000000000000001f RSI: 00007f464b013000 RDI: 0000000000000001 [ 49.099848] RBP: 00007f464b013000 R08: 00007f464b012010 R09: 0000000000000000 [ 49.107821] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 49.115793] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 49.123769] irq event stamp: 0 [ 49.127207] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 49.134211] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 49.143355] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 49.152492] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 49.159491] ---[ end trace b9cc279d67662ab2 ]--- [ 49.164648] lkdtm: Negative detected: saturated pd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 40.312945] CR2: 0000000000000000 # [ 40.316642] ---[ end trace b9cc279d67662aa5 ]--- # [ 40.321816] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 40.326192] Code: 89 ff e8 ae 5b a2 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 90 8d 9f 02 # [ 40.347171] RSP: 0018:ffff9b2f41357e60 EFLAGS: 00010286 # [ 40.353002] RAX: ffffffff9e4f5960 RBX: 0000000000000001 RCX: 0000000000000000 # [ 40.360969] RDX: 0000000000000000 RSI: ffff8ae6fad1bf70 RDI: ffffffff9f2d5a70 # [ 40.368937] RBP: ffffffff9f733438 R08: 0000000000000001 R09: 0000000000000001 # [ 40.376905] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 40.384872] R13: ffff9b2f41357f10 R14: ffff9b2f41357f10 R15: ffff8ae683363000 # [ 40.392840] FS: 00007fd415079580(0000) GS:ffff8ae6fac80000(0000) knlGS:0000000000000000 # [ 40.401874] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 40.408287] CR2: ffffffffffffffd6 CR3: 000000010388a006 CR4: 00000000003706e0[ 49.277314] lkdtm: Performing direct entry REFCOUNT_INC_ZERO # [ 40.416256] BUG: sleeping function called from invalid co[ 49.287968] lkdtm: attempting safe refcount_inc_not_zero() from zero ntext at include/linux/percpu-rwsem.h:49 # [ 40.426167] in_at[ 49.301288] lkdtm: Good: zero detected omic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1770, name: ca[ 49.311675] lkdtm: Correctly stayed at zero t # [ 40.434611] INFO: lockdep is turned off. # [ 40.43898[ 49.322616] lkdtm: attempting bad refcount_inc() from zero 8] irq event stamp: 0 # [ 40.442392] hardirqs last enabled a[ 49.334934] ------------[ cut here ]------------ t (0): [<0000000000000000>] 0x0 # [ 40.449391] hardirqs last [ 49.346324] refcount_t: addition on 0; use-after-free. disabled at (0): [] copy_process+0x664/0x1cb0 [ 49.358272] WARNING: CPU: 0 PID: 2245 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 # [ 40.458524] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 40.467657] softirqs last [ 49.425749] CPU: 0 PID: 2245 Comm: cat Tainted: G D W 5.10.173-cip27 #1 disabled at (0): [<0000000000000000>] 0x0 # [ 40.474657] CPU:[ 49.440684] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 1 PID: 1770 Comm: cat Tainted: G D W 5.10.173-cip2[ 49.453676] RIP: 0010:refcount_warn_saturate+0x74/0x110 7 #1 # [ 40.483304] Hardware name: Google Rammus/Rammus, BIOS[ 49.465716] Code: 01 01 e8 fc a0 98 00 0f 0b c3 cc cc cc cc 80 3d 23 0b 94 01 00 75 cb 48 c7 c7 10 90 66 9f c6 05 13 0b 94 01 01 e8 d9 a0 98 00 <0f> 0b c3 cc cc cc cc 80 3d 02 0b 94 01 00 75 a8 48 c7 c7 e8 8f 66 09/04/2020 # [ 40.490107] Call Trace: # [ 40.492834] du[ 49.492932] RSP: 0018:ffff9b2f42c3fe48 EFLAGS: 00010286 mp_stack+0x77/0x9b # [ 40.496547] ___might_sleep.cold+0xa6/0[ 49.504996] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000 xb6 # [ 40.501121] exit_signals+0x1c/0x300 # [ 40.505110][ 49.519159] RDX: ffff8ae6fac2c660 RSI: ffff8ae6fac1bf70 RDI: ffff8ae6fac1bf70 do_exit+0xc2/0xb00 # [ 40.508612] ? ksys_write+0x68/0xf0 [ 49.533373] RBP: ffffffff9f6cefa1 R08: 0000000000000000 R09: 0000000000000000 # [ 40.512520] make_task_dead+0x2f/0x30 # [ 40.516604] re[ 49.547536] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 wind_stack_and_make_dead+0x17/0x20 # [ 40.521856] RIP: 0033:0[ 49.561754] R13: ffff9b2f42c3ff10 R14: ffff9b2f42c3ff10 R15: ffff8ae683c6f000 x7fd414f8f833 # [ 40.525844] Code: 8b 15 61 26 0e 00 f7 d8 64[ 49.575919] FS: 00007f5064896580(0000) GS:ffff8ae6fac00000(0000) knlGS:0000000000000000 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 [ 49.591238] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3[ 49.603844] CR2: 00007f506469f000 CR3: 0000000104946001 CR4: 00000000003706f0 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 40.546822] RSP: 0[ 49.618038] Call Trace: 02b:00007ffd915f0918 EFLAGS: 00000246 ORIG_RAX: 0000000000000001[ 49.626998] lkdtm_REFCOUNT_INC_ZERO+0x99/0xc1 # [ 40.555276] RAX: ffffffffffffffda RBX: 000000000000000a R[ 49.638169] direct_entry.cold+0x2c/0x38 CX: 00007fd414f8f833 # [ 40.563244] RDX: 000000000000000a RSI[ 49.648768] full_proxy_write+0x53/0x80 : 00007fd414e82000 RDI: 0000000000000001 # [ 40.571212] RBP: [ 49.659255] vfs_write+0xe7/0x3b0 00007fd414e82000 R08: 00007fd414e81010 R09: 0000000000000000 # [ 49.669224] ksys_write+0x68/0xf0 [ 40.579180] R10: fffffffffffffbc5 R11: 0000000000000246 R12: [ 49.679137] do_syscall_64+0x30/0x40 0000000000000001 # [ 40.587148] R13: 0000000000000001 R14: 00[ 49.689375] entry_SYSCALL_64_after_hwframe+0x61/0xc6 00000000020000 R15: 0000000000020000 # EXEC_NULL: saw 'call tra[ 49.701200] RIP: 0033:0x7f50647ac833 ce:': ok ok 36 selftests: lkdtm: EXEC_NULL.sh # selftests: lkd[ 49.711464] 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 tm: ACCESS_USERSPACE.sh # Killed # [ 40.703184] lkdtm: Perfo[ 49.738627] RSP: 002b:00007fffbe86d058 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 rming direct entry ACCESS_USERSPACE # [ 40.713288] lkdtm: att[ 49.753364] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f50647ac833 empting bad read at 00007f72dc4a8000 # [ 40.719431] BUG: unab[ 49.767516] RDX: 0000000000000012 RSI: 00007f506469f000 RDI: 0000000000000001 le to handle page fault for address: 00007f72dc4a8000 # [ 40.[ 49.781753] RBP: 00007f506469f000 R08: 00007f506469e010 R09: 0000000000000000 733310] #PF: supervisor read access in kernel mode # [ 40.739[ 49.795926] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 046] #PF: error_code(0x0001) - permissions violation # [ 40.7[ 49.810172] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 45266] PGD 8000000106e57067 P4D 8000000106e57067 PUD 10335e067 P[ 49.824332] irq event stamp: 0 MD 105f59067 PTE 10f076067 # [ 40.761204] Oops: 0001 [#12] SM[ 49.834035] hardirqs last enabled at (0): [<0000000000000000>] 0x0 P PTI # [ 40.765193] CPU: 2 PID: 1805 Comm: cat Tainted: G [ 49.847197] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 D W 5.10.173-cip27 #1 # [ 40.773843] Hardware name[ 49.862583] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 : Google Rammus/Rammus, BIOS 09/04/2020 # [ 40.780648] RIP: [ 49.877922] softirqs last disabled at (0): [<0000000000000000>] 0x0 0010:lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3 # [ 40.786870] Cod[ 49.891162] ---[ end trace b9cc279d67662ab3 ]--- e: 00 00 00 75 64 48 83 c4 10 5d c3 cc cc cc cc 48 89 ee 48 c7 c[ 49.902528] lkdtm: Zero detected: saturated 7 28 fe 6c 9f e8 6d 91 fd ff 48 c7 c7 50 fe 6c 9f b8 de c0 de c0 <48> 03 45 00 48 89 04 24 e8 54 91 fd ff 48 89 ee 48 c7 c7 78 fe 6c # [ 40.807839] RSP: 0018:ffff9b2f4251fe48 EFLAGS: 00010246 # [ 40.813670] RAX: 00000000c0dec0de RBX: 0000000000000026 RCX: 0000000000000000 # [ 40.821638] RDX: 0000000000000000 RSI: ffff8ae6fad1bf70 RDI: ffffffff9f6cfe50 # [ 40.829605] RBP: 00007f72dc4a8000 R08: 0000000000000000 R09: 0000000000000000 # [ 40.837573] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000011 # [ 40.845540] R13: ffff9b2f4251ff10 R14: ffff9b2f4251ff10 R15: ffff8ae6845a0000 # [ 40.853508] FS: 00007f72dc479580(0000) GS:ffff8ae6fad00000(0000) knlGS:0000000000000000 # [ 40.862542] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 40.868956] CR2: 00007f72dc4a8000 CR3: 0000000103714005 CR4: 00000000003706e0 # [ 40.876924] Call Trace: # [ 40.879652] direct_entry.cold+0x2c/0x38 # [ 40.884032] full_proxy_write+0x53/0x80 # [ 40.888314] vfs_write+0xe7/0x3b0 # [ 40.892012] ksys_write+0x68/0xf0 # [ 40.895710] do_syscall_64+0x30/0x40 # [ 40.899698] entry_SYSCALL_64_after_hw[ 50.024282] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO frame+0x61/0xc6 # [ 40.905337] RIP: 0033:0x7f72dc38f833 # [ [ 50.031707] lkdtm: attempting safe refcount_add_not_zero() from zero 40.909325] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff [ 50.045047] lkdtm: Good: zero detected ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 0[ 50.055438] lkdtm: Correctly stayed at zero 1 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 [ 50.066287] lkdtm: attempting bad refcount_add() from zero ec 28 48 89 54 24 18 # [ 40.930303] RSP: 002b:00007ffe617e285[ 50.078629] ------------[ cut here ]------------ 8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 40.938749] [ 50.090043] refcount_t: addition on 0; use-after-free. RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007f72dc38f83[ 50.102009] WARNING: CPU: 0 PID: 2277 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 3 # [ 40.946727] RDX: 0000000000000011 RSI: 00007f72dc282000 [ 50.117597] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger cros_ec_sysfs uvcvideo cros_ec_sensorhub videobuf2_vmalloc cros_ec_chardev videobuf2_memops cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table RDI: 0000000000000001 # [ 40.954686] RBP: 00007f72dc282000 R0[ 50.169503] CPU: 0 PID: 2277 Comm: cat Tainted: G D W 5.10.173-cip27 #1 8: 00007f72dc281010 R09: 0000000000000000 # [ 40.962654] R10:[ 50.184380] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 #[ 50.197445] RIP: 0010:refcount_warn_saturate+0x74/0x110 [ 40.970639] R13: 0000000000000001 R14: 0000000000020000 R15:[ 50.209470] Code: 01 01 e8 fc a0 98 00 0f 0b c3 cc cc cc cc 80 3d 23 0b 94 01 00 75 cb 48 c7 c7 10 90 66 9f c6 05 13 0b 94 01 01 e8 d9 a0 98 00 <0f> 0b c3 cc cc cc cc 80 3d 02 0b 94 01 00 75 a8 48 c7 c7 e8 8f 66 0000000000020000 # [ 40.978619] Modules linked in: fuse ip_t[ 50.236699] RSP: 0018:ffff9b2f42b1fe48 EFLAGS: 00010286 ables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core ind[ 50.248772] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000 ustrialio_triggered_buffer kfifo_buf industrialio cros_usbpd_log[ 50.262983] RDX: ffff8ae6fac2c660 RSI: ffff8ae6fac1bf70 RDI: ffff8ae6fac1bf70 ger cros_ec_lightbar cros_usbpd_charger cros_ec_sysfs uvcvideo c[ 50.277176] RBP: ffffffff9f6cefb3 R08: 0000000000000000 R09: 0000000000000000 ros_ec_sensorhub videobuf2_vmalloc cros_ec_chardev videobuf2_mem[ 50.291397] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 ops cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cro[ 50.305581] R13: ffff9b2f42b1ff10 R14: ffff9b2f42b1ff10 R15: ffff8ae685675000 s_ec_dev videobuf2_common i2c_hid cros_usbpd_notify cros_kbd_led[ 50.319796] FS: 00007f26b246f580(0000) GS:ffff8ae6fac00000(0000) knlGS:0000000000000000 _backlight chromeos_pstore coreboot_table # [ 41.030490] CR2:[ 50.335049] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 00007f72dc4a8000 # [ 41.034187] ---[ end trace b9cc279d67662[ 50.347719] CR2: 00007f26b2278000 CR3: 00000001036bc006 CR4: 00000000003706f0 aa6 ]--- # [ 41.039334] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 4[ 50.361900] Call Trace: 1.043709] Code: 89 ff e8 ae 5b a2 ff 48 c7 c0 ea ff ff ff eb de [ 50.370878] lkdtm_REFCOUNT_ADD_ZERO+0x99/0xc1 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0[ 50.382050] direct_entry.cold+0x2c/0x38 f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 [ 50.392691] full_proxy_write+0x53/0x80 83 05 90 8d 9f 02 # [ 41.064690] RSP: 0018:ffff9b2f41357e60 E[ 50.403166] vfs_write+0xe7/0x3b0 FLAGS: 00010286 # [ 41.070528] RAX: ffffffff9e4f5960 RBX: 000[ 50.413110] ksys_write+0x68/0xf0 0000000000001 RCX: 0000000000000000 # [ 41.078510] RDX: 00000[ 50.423021] do_syscall_64+0x30/0x40 00000000000 RSI: ffff8ae6fad1bf70 RDI: ffffffff9f2d5a70 # [ 4[ 50.433259] entry_SYSCALL_64_after_hwframe+0x61/0xc6 1.086473] RBP: ffffffff9f733438 R08: 0000000000000001 R09: 00000[ 50.445110] RIP: 0033:0x7f26b2385833 00000000001 # [ 41.094441] R10: 00000000ffffe000 R11: 3ffffff[ 50.455325] 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 fffffffff R12: 0000000000000004 # [ 41.102433] R13: ffff9b2f4[ 50.482519] RSP: 002b:00007ffcfcabf938 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 1357f10 R14: ffff9b2f41357f10 R15: ffff8ae683363000 # [ 41.11[ 50.497224] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f26b2385833 0402] FS: 00007f72dc479580(0000) GS:ffff8ae6fad00000(0000) knlG[ 50.511404] RDX: 0000000000000012 RSI: 00007f26b2278000 RDI: 0000000000000001 S:0000000000000000 # [ 41.119442] CS: 0010 DS: 0000 ES: 0000[ 50.525596] RBP: 00007f26b2278000 R08: 00007f26b2277010 R09: 0000000000000000 CR0: 0000000080050033 # [ 41.125864] CR2: 00007f72dc4a8000 C[ 50.539774] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 R3: 0000000103714005 CR4: 00000000003706e0 # ACCESS_USERSPACE: [ 50.553997] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 saw 'call trace:': ok ok 37 selftests: lkdtm: ACCESS_USERSPACE.[ 50.568206] irq event stamp: 0 sh # selftests: lkdtm: ACCESS_NULL.sh # Killed # [ 41.28286[ 50.577856] hardirqs last enabled at (0): [<0000000000000000>] 0x0 1] lkdtm: Performing direct entry ACCESS_NULL # [ 41.288797] [ 50.591070] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 lkdtm: attempting bad read at 0000000000000000 # [ 41.294954][ 50.606455] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 BUG: kernel NULL pointer dereference, address: 0000000000000000[ 50.621824] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 41.302736] #PF: supervisor read access in kernel mode #[ 50.635069] ---[ end trace b9cc279d67662ab4 ]--- [ 41.314684] #PF: error_code(0x0000) - not-present page # [ [ 50.646440] lkdtm: Zero detected: saturated 41.320418] PGD 0 P4D 0 # [ 41.323240] Oops: 0000 [#13] SMP PTI # [ 41.327227] CPU: 3 PID: 1840 Comm: cat Tainted: G D W 5.10.173-cip27 #1 # [ 41.335874] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 41.342680] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53 # [ 41.347930] Code: 11 91 fd ff be 00 10 00 00 48 89 ef e8 15 15 39 ff e9 69 ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 28 fe 6c 9f e8 eb 90 fd ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 50 fe 6c 9f 48 01 # [ 41.368909] RSP: 0018:ffff9b2f425d7e58 EFLAGS: 00010246 # [ 41.374740] RAX: 000000000000002e RBX: 0000000000000027 RCX: 0000000000000000 # [ 41.382709] RDX: 0000000000000000 RSI: ffff8ae6fad9bf70 RDI: ffff8ae6fad9bf70 # [ 41.390676] RBP: ffffffff9f6cef19 R08: 0000000000000000 R09: 0000000000000000 # [ 41.398644] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c # [ 41.406611] R13: ffff9b2f425d7f10 R14: ffff9b2f425d7f10 R15: ffff8ae6845e1000 # [ 41.414578] FS: 00007fbca46d5580(0000) GS:ffff8ae6fad80000(0000) knlGS:0000000000000000 # [ 41.423614] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 41.430029] CR2: 0000000000000000 CR3: 0000000103bae004 CR4: 00000000003706e0 # [ 41.437997] Call Trace: # [ 41.440725] direct_entry.cold+0x2c/0x38 # [ 41.445103] full_proxy_write+0x53/0x80 # [ 41.449383] vfs_write+0xe7/0x3b0 # [ 41.453079] ksys_write+0x68/0xf0 # [ 41.456775] do_syscall_64+0x30/0x40 # [ 41.460763] entry_SYSCALL_64_after_hwframe+0x61/[ 50.801822] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED [ 50.813280] lkdtm: attempting bad refcount_inc() from saturated [ 50.819901] ------------[ cut here ]------------ [ 50.825065] refcount_t: saturated; leaking memory. [ 50.830428] WARNING: CPU: 2 PID: 2312 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 0xc6 # [ 41.466393] RIP: 0033:0x7fbca45eb833 # [ 41.470380[ 50.839864] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger cros_ec_sysfs uvcvideo cros_ec_sensorhub videobuf2_vmalloc cros_ec_chardev videobuf2_memops cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table [ 50.891765] CPU: 2 PID: 2312 Comm: cat Tainted: G D W 5.10.173-cip27 #1 [ 50.900447] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 50.907256] RIP: 0010:refcount_warn_saturate+0x51/0x110 [ 50.913123] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 47 0b 94 01 00 75 ee 48 c7 c7 e8 8f 66 9f c6 05 37 0b 94 01 01 e8 fc a0 98 00 <0f> 0b c3 cc cc cc cc 80 3d 23 0b 94 01 00 75 cb 48 c7 c7 10 90 66 ] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb[ 50.934107] RSP: 0018:ffff9b2f42d27e48 EFLAGS: 00010286 [ 50.946157] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000 b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 [ 50.954132] RDX: ffff8ae6fad2c660 RSI: ffff8ae6fad1bf70 RDI: ffff8ae6fad1bf70 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89[ 50.968320] RBP: ffffffff9f6cefc5 R08: 0000000000000000 R09: 0000000000000000 [ 50.982503] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 54 24 18 # [ 41.491360] RSP: 002b:00007ffe8d92b438 EFLAGS: 0[ 50.990475] R13: ffff9b2f42d27f10 R14: ffff9b2f42d27f10 R15: ffff8ae683735000 [ 51.004659] FS: 00007ff40c7fd580(0000) GS:ffff8ae6fad00000(0000) knlGS:0000000000000000 [ 51.013698] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.020114] CR2: 00007ff40c606000 CR3: 0000000105f70005 CR4: 00000000003706e0 [ 51.028084] Call Trace: [ 51.030814] lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x64 [ 51.036293] direct_entry.cold+0x2c/0x38 [ 51.040696] full_proxy_write+0x53/0x80 [ 51.045003] vfs_write+0xe7/0x3b0 [ 51.048726] ksys_write+0x68/0xf0 [ 51.052426] do_syscall_64+0x30/0x40 [ 51.056416] entry_SYSCALL_64_after_hwframe+0x61/0xc6 0000246 ORIG_RAX: 0000000000000001 # [ 41.499814] RAX: ffffff[ 51.062060] RIP: 0033:0x7ff40c713833 [ 51.072267] 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 [ 51.093257] RSP: 002b:00007fff6d150278 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 51.101714] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007ff40c713833 [ 51.109685] RDX: 0000000000000017 RSI: 00007ff40c606000 RDI: 0000000000000001 [ 51.117654] RBP: 00007ff40c606000 R08: 00007ff40c605010 R09: 0000000000000000 [ 51.125617] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 51.133589] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 51.141563] irq event stamp: 0 [ 51.145001] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 51.152002] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 51.161137] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 51.170273] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 51.177273] ---[ end trace b9cc279d67662ab5 ]--- [ 51.182447] lkdtm: Saturation detected: still saturated ffffffffda RBX: 000000000000000c RCX: 00007fbca45eb833 # [ 41.507781] RDX: 000000000000000c RSI: 00007fbca44de000 RDI: 0000000000000001 # [ 41.515768] RBP: 00007fbca44de000 R08: 00007fbca44dd010 R09: 0000000000000000 # [ 41.523727] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 41.531741] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 41.539737] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger cros_ec_sysfs uvcvideo cros_ec_sensorhub videobuf2_vmalloc cros_ec_chardev videobuf2_memops cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 41.591607] CR2: 0000000000000000 # [ 41.595306] ---[ end trace b9cc279d67662aa7 ]--- # [ 41.606673] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 41.611051] Code: 89 ff e8 ae 5b a2 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 90 8d 9f 02 # [ 41.638244] RSP: 0018:ffff9b2f41357e60 EFLAGS: 00010286 # [ 41.644078] RAX: ffffffff9e4f5960 RBX: 0000000000000001 RCX: 0000000000000000 # [ 41.652046] RDX: 0000000000000000 RSI: ffff8ae6fad1bf70 RDI: ffffffff9f2d5a70 # [ 41.660006] R[ 51.327684] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED BP: ffffffff9f733438 R08: 0000000000000001 R09: 0000000000000001[ 51.338226] lkdtm: attempting bad refcount_dec() from saturated # [ 41.674187] R10: 00000000ffffe000 R11: 3fffffffffffffff R[ 51.351055] ------------[ cut here ]------------ [ 51.362423] refcount_t: decrement hit 0; leaking memory. 12: 0000000000000004 # [ 41.682149] R13: ffff9b2f41357f10 R14[ 51.368385] WARNING: CPU: 1 PID: 2347 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 : ffff9b2f41357f10 R15: ffff8ae683363000 # [ 41.690118] FS: [ 51.383993] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger cros_ec_sysfs uvcvideo cros_ec_sensorhub videobuf2_vmalloc cros_ec_chardev videobuf2_memops cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table 00007fbca46d5580(0000) GS:ffff8ae6fad80000(0000) knlGS:000000000[ 51.435856] CPU: 1 PID: 2347 Comm: cat Tainted: G D W 5.10.173-cip27 #1 0000000 # [ 41.699155] CS: 0010 DS: 0000 ES: 0000 CR0: 00000[ 51.450722] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 00080050033 # [ 41.711783] CR2: 0000000000000000 CR3: 0000000[ 51.463744] RIP: 0010:refcount_warn_saturate+0xfb/0x110 103bae004 CR4: 00000000003706e0 # ACCESS_NULL: saw 'call trace:[ 51.475797] Code: 98 90 66 9f c6 05 a3 0a 94 01 01 e8 6c a0 98 00 0f 0b c3 cc cc cc cc 48 c7 c7 68 90 66 9f c6 05 8a 0a 94 01 01 e8 52 a0 98 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b ': ok ok 38 selftests: lkdtm: ACCESS_NULL.sh # selftests: lkdt[ 51.502999] RSP: 0018:ffff9b2f42d97e48 EFLAGS: 00010286 m: WRITE_RO.sh # Killed # [ 41.830014] lkdtm: Performing dir[ 51.515044] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000 ect entry WRITE_RO # [ 41.837068] lkdtm: attempting bad rodat[ 51.529238] RDX: ffff8ae6facac660 RSI: ffff8ae6fac9bf70 RDI: ffff8ae6fac9bf70 a write at ffffffff9f2d5ef0 # [ 41.850190] BUG: unable to han[ 51.543421] RBP: ffffffff9f6cefdc R08: 0000000000000000 R09: 0000000000000000 dle page fault for address: ffffffff9f2d5ef0 # [ 41.864076] #[ 51.557602] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 PF: supervisor write access in kernel mode # [ 41.869908] #PF[ 51.571790] R13: ffff9b2f42d97f10 R14: ffff9b2f42d97f10 R15: ffff8ae683671000 : error_code(0x0003) - permissions violation # [ 41.876129] P[ 51.585982] FS: 00007f8237721580(0000) GS:ffff8ae6fac80000(0000) knlGS:0000000000000000 GD 49229067 P4D 49229067 PUD 4922a063 PMD 8000000048c000e1 # [[ 51.601235] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 41.889833] Oops: 0003 [#14] SMP PTI # [ 41.893813] CPU: 1 [ 51.613871] CR2: 00007f823752a000 CR3: 0000000105fce001 CR4: 00000000003706e0 PID: 1875 Comm: cat Tainted: G D W 5.10.173-cip27 #[ 51.628059] Call Trace: 1 # [ 41.902462] Hardware name: Google Rammus/Rammus, BIOS 0[ 51.637005] lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5f 9/04/2020 # [ 41.909259] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a [ 51.648667] direct_entry.cold+0x2c/0x38 # [ 41.914219] Code: 00 48 c7 c7 08 fd 6c 9f 48 c7 c6 f0 5e 2d[ 51.659262] full_proxy_write+0x53/0x80 9f e8 95 93 fd ff 48 8b 05 4f f1 75 00 ba 34 12 cd ab 48 c7 c7 [ 51.669760] vfs_write+0xe7/0x3b0 38 fd 6c 9f 48 31 d0 <48> 89 05 39 f1 75 00 e9 73 93 fd ff 0f 1f[ 51.679676] ksys_write+0x68/0xf0 44 00 00 48 8b 05 68 d5 # [ 41.941409] RSP: 0018:ffff9b2f426[ 51.689592] do_syscall_64+0x30/0x40 87e60 EFLAGS: 00010202 # [ 41.947242] RAX: 000000000198b861 R[ 51.699800] entry_SYSCALL_64_after_hwframe+0x61/0xc6 BX: 0000000000000028 RCX: 0000000000000000 # [ 41.955209] RDX[ 51.711656] RIP: 0033:0x7f8237637833 : 00000000abcd1234 RSI: ffff8ae6fac9bf70 RDI: ffffffff9f6cfd38 [ 51.721863] 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 # [ 41.963176] RBP: ffffffff9f6cef25 R08: 0000000000000000 R09[ 51.749065] RSP: 002b:00007ffe35e236a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 51.763740] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f8237637833 : 0000000000000000 # [ 41.971144] R10: 00000000ffffe000 R11: [ 51.771715] RDX: 0000000000000017 RSI: 00007f823752a000 RDI: 0000000000000001 [ 51.785898] RBP: 00007f823752a000 R08: 00007f8237529010 R09: 0000000000000000 3fffffffffffffff R12: 0000000000000009 # [ 41.979110] R13: ff[ 51.793874] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 51.808054] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ff9b2f42687f10 R14: ffff9b2f42687f10 R15: ffff8ae684870000 # [ [ 51.816036] irq event stamp: 0 41.987081] FS: 00007f3ef04da580(0000) GS:ffff8ae6fac80000(000[ 51.825649] hardirqs last enabled at (0): [<0000000000000000>] 0x0 0) knlGS:0000000000000000 # [ 41.996116] CS: 0010 DS: 0000 E[ 51.838869] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 S: 0000 CR0: 0000000080050033 # [ 42.002529] CR2: ffffffff9f2[ 51.854224] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 51.869579] softirqs last disabled at (0): [<0000000000000000>] 0x0 d5ef0 CR3: 0000000104972006 CR4: 00000000003706e0 # [ 42.0104[ 51.876581] ---[ end trace b9cc279d67662ab6 ]--- 96] Call Trace: # [ 42.013222] direct_entry.cold+0x2c/0x38 [ 51.887950] lkdtm: Saturation detected: still saturated # [ 42.017602] full_proxy_write+0x53/0x80 # [ 42.021884] vfs_write+0xe7/0x3b0 # [ 42.031791] ksys_write+0x68/0xf0 # [ 42.035488] do_syscall_64+0x30/0x40 # [ 42.039478] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 42.045115] RIP: 0033:0x7f3ef03f0833 # [ 42.049103] 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 # [ 42.070082] RSP: 002b:00007ffd1e283c88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 42.078536] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f3ef03f0833 # [ 42.086505] RDX: 0000000000000009 RSI: 00007f3ef02e3000 RDI: 0000000000000001 # [ 42.094474] RBP: 00007f3ef02e3000 R08: 00007f3ef02e2010 R09: 0000000000000000 # [ 42.102442] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 42.110408] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 42.118380] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger cros_ec_sysfs uvcvideo cros_ec_sensorhub videobuf2_vmalloc cros_ec_c[ 52.020760] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED [ 52.031127] lkdtm: attempting bad refcount_dec() from saturated [ 52.037752] ------------[ cut here ]------------ [ 52.042921] refcount_t: saturated; leaking memory. [ 52.048288] WARNING: CPU: 3 PID: 2382 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 [ 52.057725] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger cros_ec_sysfs uvcvideo cros_ec_sensorhub videobuf2_vmalloc cros_ec_chardev videobuf2_memops cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table [ 52.103408] CPU: 3 PID: 2382 Comm: cat Tainted: G D W 5.10.173-cip27 #1 [ 52.112089] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 52.118899] RIP: 0010:refcount_warn_saturate+0x51/0x110 [ 52.124778] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 47 0b 94 01 00 75 ee 48 c7 c7 e8 8f 66 9f c6 05 37 0b 94 01 01 e8 fc a0 98 00 <0f> 0b c3 cc cc cc cc 80 3d 23 0b 94 01 00 75 cb 48 c7 c7 10 90 66 hardev videobuf2_memops cros_ec_debugfs videobuf2_v4l2 gsmi x86_[ 52.145773] RSP: 0018:ffff9b2f42e47e48 EFLAGS: 00010286 [ 52.157825] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000 [ 52.165801] RDX: ffff8ae6fadac660 RSI: ffff8ae6fad9bf70 RDI: ffff8ae6fad9bf70 pkg_temp_thermal cros_ec_dev videobuf2_common i2c_hid cros_usbpd[ 52.173805] RBP: ffffffff9f6ceff3 R08: 0000000000000000 R09: 0000000000000000 [ 52.187993] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 [ 52.195965] R13: ffff9b2f42e47f10 R14: ffff9b2f42e47f10 R15: ffff8ae685d6a000 [ 52.203935] FS: 00007febeba2f580(0000) GS:ffff8ae6fad80000(0000) knlGS:0000000000000000 [ 52.212974] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.219414] CR2: 00007febeb838000 CR3: 00000001037b2006 CR4: 00000000003706e0 _notify cros_kbd_led_backlight chromeos_pstore coreboot_table #[ 52.227397] Call Trace: [ 52.236336] lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x64 [ 52.241816] direct_entry.cold+0x2c/0x38 [ 52.246196] full_proxy_write+0x53/0x80 [ 52.250505] vfs_write+0xe7/0x3b0 [ 52.254229] ksys_write+0x68/0xf0 [ 52.257929] do_syscall_64+0x30/0x40 [ 52.261920] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 52.267563] RIP: 0033:0x7febeb945833 [ 52.271554] 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 [ 52.292536] RSP: 002b:00007ffe711a33e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 52.300994] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007febeb945833 [ 52.308964] RDX: 0000000000000017 RSI: 00007febeb838000 RDI: 0000000000000001 [ 52.316936] RBP: 00007febeb838000 R08: 00007febeb837010 R09: 0000000000000000 [ 52.324908] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 52.332878] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 52.340854] irq event stamp: 0 [ 42.170241] CR2: ffffffff9f2d5ef0 # [ 42.173939] ---[ end[ 52.344287] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 52.357496] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 52.366633] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 52.375770] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 52.382771] ---[ end trace b9cc279d67662ab7 ]--- [ 52.387926] lkdtm: Saturation detected: still saturated trace b9cc279d67662aa8 ]--- # [ 42.179094] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 42.183471] Code: 89 ff e8 ae 5b a2 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 90 8d 9f 02 # [ 42.204443] RSP: 0018:ffff9b2f41357e60 EFLAGS: 00010286 # [ 42.210267] RAX: ffffffff9e4f5960 RBX: 0000000000000001 RCX: 0000000000000000 # [ 42.218234] RDX: 0000000000000000 RSI: ffff8ae6fad1bf70 RDI: ffffffff9f2d5a70 # [ 42.226201] RBP: ffffffff9f733438 R08: 0000000000000001 R09: 0000000000000001 # [ 42.234168] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 42.242134] R13: ffff9b2f41357f10 R14: ffff9b2f41357f10 R15: ffff8ae683363000 # [ 42.250103] FS: 00007f3ef04da580(0000) GS:ffff8ae6fac80000(0000) knlGS:0000000000000000 # [ 42.259138] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 42.265554] CR2: ffffffff9f2d5ef0 CR3: 0000000104972006 CR4: 00000000003706e0 # [ 42.273522] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 42.283431] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1875, name: cat [ 52.508494] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED # [ 42.291885] INFO: lockdep is turned off. # [ 42.296259][ 52.519580] lkdtm: attempting bad refcount_inc_not_zero() from saturated irq event stamp: 0 # [ 42.299664] hardirqs last enabled at [ 52.533285] ------------[ cut here ]------------ (0): [<0000000000000000>] 0x0 # [ 42.306661] hardirqs last di[ 52.544655] refcount_t: saturated; leaking memory. sabled at (0): [] copy_process+0x664/0x1cb0 #[ 52.556233] WARNING: CPU: 1 PID: 2414 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 [ 42.315794] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 42.324927] softirqs last di[ 52.623765] CPU: 1 PID: 2414 Comm: cat Tainted: G D W 5.10.173-cip27 #1 sabled at (0): [<0000000000000000>] 0x0 # [ 42.331923] CPU: 1[ 52.638611] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 PID: 1875 Comm: cat Tainted: G D W 5.10.173-cip27 [ 52.651650] RIP: 0010:refcount_warn_saturate+0x97/0x110 [ 52.663702] Code: 01 01 e8 d9 a0 98 00 0f 0b c3 cc cc cc cc 80 3d 02 0b 94 01 00 75 a8 48 c7 c7 e8 8f 66 9f c6 05 f2 0a 94 01 01 e8 b6 a0 98 00 <0f> 0b c3 cc cc cc cc 80 3d dc 0a 94 01 00 75 85 48 c7 c7 40 90 66 #1 # [ 42.340579] Hardware name: Google Rammus/Rammus, BIOS [ 52.684714] RSP: 0018:ffff9b2f42ed7e38 EFLAGS: 00010282 [ 52.696760] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 09/04/2020 # [ 42.347382] Call Trace: # [ 42.350107] dump[ 52.704735] RDX: ffff8ae6facac660 RSI: ffff8ae6fac9bf70 RDI: ffff8ae6fac9bf70 [ 52.718916] RBP: ffffffff9f6cec20 R08: 0000000000000000 R09: 0000000000000000 _stack+0x77/0x9b # [ 42.353806] ___might_sleep.cold+0xa6/0xb[ 52.726890] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 [ 52.741073] R13: ffff9b2f42ed7f10 R14: ffff9b2f42ed7f10 R15: ffff8ae683792000 6 # [ 42.358377] exit_signals+0x1c/0x300 # [ 42.362365] [ 52.749047] FS: 00007f13e3e97580(0000) GS:ffff8ae6fac80000(0000) knlGS:0000000000000000 [ 52.764298] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 do_exit+0xc2/0xb00 # [ 42.365868] ? ksys_write+0x68/0xf0 # [ 52.770718] CR2: 00007f13e3ca0000 CR3: 0000000103672005 CR4: 00000000003706e0 [ 52.784900] Call Trace: [ 42.369752] make_task_dead+0x2f/0x30 # [ 42.373837] rewi[ 52.787633] __refcount_add_not_zero.constprop.0+0x2a/0x35 nd_stack_and_make_dead+0x17/0x20 # [ 42.379079] RIP: 0033:0x7[ 52.799970] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x76 [ 52.812526] direct_entry.cold+0x2c/0x38 f3ef03f0833 # [ 42.383065] Code: 8b 15 61 26 0e 00 f7 d8 64 8[ 52.816907] full_proxy_write+0x53/0x80 9 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00[ 52.827408] vfs_write+0xe7/0x3b0 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0[ 52.837324] ksys_write+0x68/0xf0 f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 42.404045] RSP: 002[ 52.847244] do_syscall_64+0x30/0x40 b:00007ffd1e283c88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 52.857453] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 42.412500] RAX: ffffffffffffffda RBX: 0000000000000009 RCX[ 52.869309] RIP: 0033:0x7f13e3dad833 : 00007f3ef03f0833 # [ 42.420467] RDX: 0000000000000009 RSI: [ 52.879518] 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 00007f3ef02e3000 RDI: 0000000000000001 # [ 42.428435] RBP: 00[ 52.906720] RSP: 002b:00007fff7737c8f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 007f3ef02e3000 R08: 00007f3ef02e2010 R09: 0000000000000000 # [ [ 52.921395] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f13e3dad833 42.436437] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 00[ 52.935583] RDX: 0000000000000020 RSI: 00007f13e3ca0000 RDI: 0000000000000001 00000000000001 # [ 42.444414] R13: 0000000000000001 R14: 0000[ 52.949773] RBP: 00007f13e3ca0000 R08: 00007f13e3c9f010 R09: 0000000000000000 000000020000 R15: 0000000000020000 # WRITE_RO: saw 'call trace:[ 52.963964] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 ': ok ok 39 selftests: lkdtm: WRITE_RO.sh # selftests: lkdtm: [ 52.978152] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 WRITE_RO_AFTER_INIT.sh # Killed # [ 42.572911] lkdtm: Perfor[ 52.992347] irq event stamp: 0 ming direct entry WRITE_RO_AFTER_INIT # [ 42.583263] lkdtm: a[ 53.001967] hardirqs last enabled at (0): [<0000000000000000>] 0x0 ttempting bad ro_after_init write at ffffffff9f754330 # [ 42.[ 53.015187] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 597096] BUG: unable to handle page fault for address: ffffffff9f[ 53.030539] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 754330 # [ 42.610943] #PF: supervisor write access in kernel [ 53.045895] softirqs last disabled at (0): [<0000000000000000>] 0x0 mode # [ 42.616766] #PF: error_code(0x0003) - permissions vio[ 53.059114] ---[ end trace b9cc279d67662ab8 ]--- lation # [ 42.622985] PGD 49229067 P4D 49229067 PUD 4922a063 [ 53.070486] lkdtm: Saturation detected: still saturated PMD 105435063 PTE 8000000049154061 # [ 42.631738] Oops: 0003 [#15] SMP PTI # [ 42.635725] CPU: 0 PID: 1910 Comm: cat Tainted: G D W 5.10.173-cip27 #1 # [ 42.644372] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 42.651177] RIP: 0010:lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a # [ 42.657205] Code: fd 6c 9f e9 47 93 fd ff 48 c7 c7 90 fd 6c 9f e8 3b 93 fd ff 48 8b 05 35 d5 bd 00 ba 34 12 cd ab 48 c7 c7 38 fd 6c 9f 48 31 d0 <48> 89 05 1f d5 bd 00 e9 19 93 fd ff 0f 1f 44 00 00 41 54 48 c7 c7 # [ 42.678177] RSP: 0018:ffff9b2f426e7e60 EFLAGS: 00010202 # [ 42.684008] RAX: 00000000fe67479e RBX: 0000000000000029 RCX: 0000000000000000 # [ 42.691976] RDX: 00000000abcd1234 RSI: ffff8ae6fac1bf70 RDI: ffffffff9f6cfd38 # [ 42.699945] RBP: ffffffff9f6cef2e R08: 0000000000000000 R09: 0000000000000000 # [ 42.707913] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000014 # [ 42.715881] R13: ffff9b2f426e7f10 R14: ffff9b2f426e7f10 R15: ffff8ae684949000 # [ 42.723848] FS: 00007f6356225580(0000) GS:ffff8ae6fac00000(0000) knlGS:0000000000000000 # [ 42.732884] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 42.739297] CR2: ffffffff9f754330 CR3: 000[ 53.200471] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED [ 53.208480] lkdtm: attempting bad refcount_add_not_zero() from saturated 0000102ae6004 CR4: 00000000003706f0 # [ 42.747265] Call Trace[ 53.215994] ------------[ cut here ]------------ : # [ 42.750004] direct_entry.cold+0x2c/0x38 # [ 42.75439[ 53.227363] refcount_t: saturated; leaking memory. 0] full_proxy_write+0x53/0x80 # [ 42.758675] vfs_write+0xe7[ 53.238939] WARNING: CPU: 2 PID: 2446 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 /0x3b0 # [ 42.762363] ksys_write+0x68/0xf0 # [ 42.766059][ 53.254568] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger cros_ec_sysfs uvcvideo cros_ec_sensorhub videobuf2_vmalloc cros_ec_chardev videobuf2_memops cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table [ 53.306489] CPU: 2 PID: 2446 Comm: cat Tainted: G D W 5.10.173-cip27 #1 do_syscall_64+0x30/0x40 # [ 42.770038] entry_SYSCALL_64_af[ 53.315153] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 53.328168] RIP: 0010:refcount_warn_saturate+0x97/0x110 ter_hwframe+0x61/0xc6 # [ 42.775676] RIP: 0033:0x7f635613b833[ 53.334018] Code: 01 01 e8 d9 a0 98 00 0f 0b c3 cc cc cc cc 80 3d 02 0b 94 01 00 75 a8 48 c7 c7 e8 8f 66 9f c6 05 f2 0a 94 01 01 e8 b6 a0 98 00 <0f> 0b c3 cc cc cc cc 80 3d dc 0a 94 01 00 75 85 48 c7 c7 40 90 66 [ 53.361214] RSP: 0018:ffff9b2f42f67e38 EFLAGS: 00010282 [ 53.367049] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 [ 53.375020] RDX: ffff8ae6fad2c660 RSI: ffff8ae6fad1bf70 RDI: ffff8ae6fad1bf70 [ 53.382992] RBP: ffffffff9f6cec40 R08: 0000000000000000 R09: 0000000000000000 [ 53.390961] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 [ 53.398924] R13: ffff9b2f42f67f10 R14: ffff9b2f42f67f10 R15: ffff8ae685703000 [ 53.406894] FS: 00007fa857453580(0000) GS:ffff8ae6fad00000(0000) knlGS:0000000000000000 [ 53.415933] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.422349] CR2: 00007fa85725c000 CR3: 00000001027fa006 CR4: 00000000003706e0 [ 53.430347] Call Trace: [ 53.433076] __refcount_add_not_zero.constprop.0+0x2a/0x35 [ 53.439228] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x76 [ 53.445548] direct_entry.cold+0x2c/0x38 [ 53.449930] full_proxy_write+0x53/0x80 [ 53.454238] vfs_write+0xe7/0x3b0 [ 53.457961] ksys_write+0x68/0xf0 [ 53.461662] do_syscall_64+0x30/0x40 [ 53.465677] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 53.471320] RIP: 0033:0x7fa857369833 # [ 42.779661] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 [ 53.475312] 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 [ 53.502504] RSP: 002b:00007ffe6a03cc38 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 53.510962] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fa857369833 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 1[ 53.518933] RDX: 0000000000000020 RSI: 00007fa85725c000 RDI: 0000000000000001 4 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 [ 53.533116] RBP: 00007fa85725c000 R08: 00007fa85725b010 R09: 0000000000000000 [ 53.547301] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 48 83 ec 28 48 89 54 24 18 # [ 42.800641] RSP: 002b:00007ffd7[ 53.555273] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 53.569459] irq event stamp: 0 5838f38 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 42.80[ 53.572892] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 53.586102] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 53.595241] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 53.604376] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 53.611376] ---[ end trace b9cc279d67662ab9 ]--- [ 53.616532] lkdtm: Saturation detected: still saturated 9094] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f635613b833 # [ 42.817062] RDX: 0000000000000014 RSI: 00007f635602e000 RDI: 0000000000000001 # [ 42.825029] RBP: 00007f635602e000 R08: 00007f635602d010 R09: 0000000000000000 # [ 42.832998] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 42.840965] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 42.848939] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger cros_ec_sysfs uvcvideo cros_ec_sensorhub videobuf2_vmalloc cros_ec_chardev videobuf2_memops cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 42.894612] CR2: ffffffff9f754330 # [ 42.898308] ---[ end trace b9cc279d67662aa9 ]--- # [ 42.903461] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 42.907838] Code: 89 ff e8 ae 5b a2 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 90 8d 9f 02 # [ 42.928807] RSP: 0018:ffff9b2f4135[ 53.740786] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED 7e60 EFLAGS: 00010286 # [ 42.934640] RAX: ffffffff9e4f5960 RB[ 53.754405] lkdtm: attempting bad refcount_dec_and_test() from saturated X: 0000000000000001 RCX: 0000000000000000 # [ 42.942607] RDX:[ 53.768105] ------------[ cut here ]------------ [ 53.779471] refcount_t: underflow; use-after-free. 0000000000000000 RSI: ffff8ae6fad1bf70 RDI: ffffffff9f2d5a70 #[ 53.784851] WARNING: CPU: 1 PID: 2481 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 [ 42.950574] RBP: ffffffff9f733438 R08: 0000000000000001 R09:[ 53.800472] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger cros_ec_sysfs uvcvideo cros_ec_sensorhub videobuf2_vmalloc cros_ec_chardev videobuf2_memops cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table 0000000000000001 # [ 42.958541] R10: 00000000ffffe000 R11: 3[ 53.852367] CPU: 1 PID: 2481 Comm: cat Tainted: G D W 5.10.173-cip27 #1 fffffffffffffff R12: 0000000000000004 # [ 42.966511] R13: fff[ 53.867208] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 f9b2f41357f10 R14: ffff9b2f41357f10 R15: ffff8ae683363000 # [ [ 53.880231] RIP: 0010:refcount_warn_saturate+0xba/0x110 42.974477] FS: 00007f6356225580(0000) GS:ffff8ae6fac00000(0000[ 53.892280] Code: 01 01 e8 b6 a0 98 00 0f 0b c3 cc cc cc cc 80 3d dc 0a 94 01 00 75 85 48 c7 c7 40 90 66 9f c6 05 cc 0a 94 01 01 e8 93 a0 98 00 <0f> 0b c3 cc cc cc cc 80 3d b7 0a 94 01 00 0f 85 5e ff ff ff 48 c7 ) knlGS:0000000000000000 # [ 42.983515] CS: 0010 DS: 0000 ES[ 53.919478] RSP: 0018:ffff9b2f42ff7e40 EFLAGS: 00010286 [ 53.931530] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000 : 0000 CR0: 0000000080050033 # [ 42.989929] CR2: ffffffff9f75[ 53.939503] RDX: ffff8ae6facac660 RSI: ffff8ae6fac9bf70 RDI: ffff8ae6fac9bf70 4330 CR3: 0000000102ae6004 CR4: 00000000003706f0 # WRITE_RO_AFT[ 53.953684] RBP: ffffffff9f6cec60 R08: 0000000000000000 R09: 0000000000000000 ER_INIT: saw 'call trace:': ok ok 40 selftests: lkdtm: WRITE_RO[ 53.967873] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 _AFTER_INIT.sh # selftests: lkdtm: WRITE_KERN.sh # Killed # [[ 53.982062] R13: ffff9b2f42ff7f10 R14: ffff9b2f42ff7f10 R15: ffff8ae682a91000 43.174333] lkdtm: Performing direct entry WRITE_KERN # [ 4[ 53.996253] FS: 00007fccc84f7580(0000) GS:ffff8ae6fac80000(0000) knlGS:0000000000000000 3.183863] lkdtm: attempting bad 6819819 byte write at ffffffff9e[ 54.011512] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 b76d1b # [ 43.197579] BUG: unable to handle page fault for ad[ 54.024148] CR2: 00007fccc8300000 CR3: 0000000105f8e002 CR4: 00000000003706e0 dress: ffffffff9eb76d1b # [ 43.211435] #PF: supervisor write [ 54.038338] Call Trace: access in kernel mode # [ 43.217268] #PF: error_code(0x0003) [ 54.047288] __refcount_sub_and_test.constprop.0+0x3c/0x50 - permissions violation # [ 43.223489] PGD 49229067 P4D 49229[ 54.059632] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x76 067 PUD 4922a063 PMD 484000e1 # [ 43.230205] Oops: 0003 [#16[ 54.072173] direct_entry.cold+0x2c/0x38 ] SMP PTI # [ 43.234185] CPU: 0 PID: 1945 Comm: cat Tainted: [ 54.082770] full_proxy_write+0x53/0x80 G D W 5.10.173-cip27 #1 # [ 43.242825] Hardware [ 54.093267] vfs_write+0xe7/0x3b0 name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 43.249631] R[ 54.103182] ksys_write+0x68/0xf0 IP: 0010:lkdtm_WRITE_KERN+0x38/0x4e # [ 43.254790] Code: 53 4[ 54.113097] do_syscall_64+0x30/0x40 8 c7 c3 1b 6d b7 9e 49 89 dc 48 89 da 49 81 ec 30 5d 4f 9e 4c 89[ 54.123306] entry_SYSCALL_64_after_hwframe+0x61/0xc6 e6 e8 ee 92 fd ff 48 89 df 4c 89 e1 48 c7 c6 30 5d 4f 9e a[ 54.135162] RIP: 0033:0x7fccc840d833 4 48 c7 c7 38 fd 6c 9f e8 d3 92 fd ff 5b 41 5c e9 b7 fe ff ff #[ 54.145369] 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 [ 43.275771] RSP: 0018:ffff9b2f4277fe50 EFLAGS: 00010246 # [[ 54.172570] RSP: 002b:00007ffc34bc8538 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 54.187244] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fccc840d833 43.281594] RAX: 000000000000003c RBX: ffffffff9eb76d1b RCX: 0[ 54.195220] RDX: 0000000000000020 RSI: 00007fccc8300000 RDI: 0000000000000001 000000000680feb # [ 43.289562] RDX: 0000000000000000 RSI: fff[ 54.209401] RBP: 00007fccc8300000 R08: 00007fccc82ff010 R09: 0000000000000000 [ 54.223589] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 fffff9e4f5d30 RDI: ffffffff9eb76d1b # [ 43.297530] RBP: fffff[ 54.231564] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 fff9f6cef42 R08: 0000000000000000 R09: 0000000000000000 # [ 4[ 54.245751] irq event stamp: 0 3.305498] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 00000[ 54.255371] hardirqs last enabled at (0): [<0000000000000000>] 0x0 00000680feb # [ 43.313468] R13: ffff9b2f4277ff10 R14: ffff9b2[ 54.268591] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 54.283944] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 f4277ff10 R15: ffff8ae6846f4000 # [ 43.321436] FS: 00007f0cd[ 54.293084] softirqs last disabled at (0): [<0000000000000000>] 0x0 e167580(0000) GS:ffff8ae6fac00000(0000) knlGS:0000000000000000 [ 54.306295] ---[ end trace b9cc279d67662aba ]--- [ 54.317667] lkdtm: Saturation detected: still saturated # [ 43.330471] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 43.336886] CR2: ffffffff9eb76d1b CR3: 00000001046d6002 CR4: 00000000003706f0 # [ 43.344854] Call Trace: # [ 43.347583] direct_entry.cold+0x2c/0x38 # [ 43.351959] full_proxy_write+0x53/0x80 # [ 43.356245] vfs_write+0xe7/0x3b0 # [ 43.359947] ksys_write+0x68/0xf0 # [ 43.363637] do_syscall_64+0x30/0x40 # [ 43.367633] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 43.373273] RIP: 0033:0x7f0cde07d833 # [ 43.377260] 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 # [ 43.398240] RSP: 002b:00007fff581f5098 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 43.406694] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f0cde07d833 # [ 43.414663] RDX: 000000000000000b RSI: 00007f0cddf70000 RDI: 0000000000000001 # [ 43.422631] RBP: 00007f0cddf70000 R08: 00007f0cddf6f010 R09: 0000000000000000 # [ 43.430599] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 43.438566] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 43.446538] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger cros_ec_sysfs uvcvideo cros_ec_[ 54.462409] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED sensorhub videobuf2_vmalloc cros_ec_chardev videobuf2_memops cro[ 54.474185] lkdtm: attempting bad refcount_sub_and_test() from saturated s_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_de[ 54.487892] ------------[ cut here ]------------ v videobuf2_common i2c_hid cros_usbpd_notify cros_kbd_led_backli[ 54.499268] refcount_t: underflow; use-after-free. ght chromeos_pstore coreboot_table # [ 43.492210] CR2: ffffff[ 54.510834] WARNING: CPU: 0 PID: 2516 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 ff9eb76d1b # [ 43.495906] ---[ end trace b9cc279d67662aaa ]--[ 54.526521] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger cros_ec_sysfs uvcvideo cros_ec_sensorhub videobuf2_vmalloc cros_ec_chardev videobuf2_memops cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table - # [ 43.501059] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 43.50543[ 54.578345] CPU: 0 PID: 2516 Comm: cat Tainted: G D W 5.10.173-cip27 #1 6] Code: 89 ff e8 ae 5b a2 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c[ 54.593280] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44[ 54.606249] RIP: 0010:refcount_warn_saturate+0xba/0x110 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 9[ 54.618343] Code: 01 01 e8 b6 a0 98 00 0f 0b c3 cc cc cc cc 80 3d dc 0a 94 01 00 75 85 48 c7 c7 40 90 66 9f c6 05 cc 0a 94 01 01 e8 93 a0 98 00 <0f> 0b c3 cc cc cc cc 80 3d b7 0a 94 01 00 0f 85 5e ff ff ff 48 c7 0 8d 9f 02 # [ 43.526408] RSP: 0018:ffff9b2f41357e60 EFLAGS: [ 54.645504] RSP: 0018:ffff9b2f4306fe40 EFLAGS: 00010286 00010286 # [ 43.532233] RAX: ffffffff9e4f5960 RBX: 0000000000[ 54.657592] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000 000001 RCX: 0000000000000000 # [ 43.540202] RDX: 000000000000[ 54.671755] RDX: ffff8ae6fac2c660 RSI: ffff8ae6fac1bf70 RDI: ffff8ae6fac1bf70 0000 RSI: ffff8ae6fad1bf70 RDI: ffffffff9f2d5a70 # [ 43.54816[ 54.685968] RBP: ffffffff9f6cec80 R08: 0000000000000000 R09: 0000000000000000 9] RBP: ffffffff9f733438 R08: 0000000000000001 R09: 000000000000[ 54.700139] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 0001 # [ 43.556137] R10: 00000000ffffe000 R11: 3fffffffffffff[ 54.714354] R13: ffff9b2f4306ff10 R14: ffff9b2f4306ff10 R15: ffff8ae68359f000 ff R12: 0000000000000004 # [ 43.564105] R13: ffff9b2f41357f10[ 54.728529] FS: 00007f7c9fea2580(0000) GS:ffff8ae6fac00000(0000) knlGS:0000000000000000 R14: ffff9b2f41357f10 R15: ffff8ae683363000 # [ 43.572073] F[ 54.743811] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 S: 00007f0cde167580(0000) GS:ffff8ae6fac00000(0000) knlGS:00000[ 54.756424] CR2: 00007f7c9fcab000 CR3: 0000000105702002 CR4: 00000000003706f0 00000000000 # [ 43.581109] CS: 0010 DS: 0000 ES: 0000 CR0: 0[ 54.770642] Call Trace: 000000080050033 # [ 43.587524] CR2: ffffffff9eb76d1b CR3: 000[ 54.779567] __refcount_sub_and_test.constprop.0+0x3c/0x50 00001046d6002 CR4: 00000000003706f0 # [ 43.595492] BUG: sleep[ 54.791947] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x76 ing function called from invalid context at include/linux/percpu[ 54.804449] direct_entry.cold+0x2c/0x38 -rwsem.h:49 # [ 43.605403] in_atomic(): 0, irqs_disabled(): 1[ 54.815056] full_proxy_write+0x53/0x80 , non_block: 0, pid: 1945, name: cat # [ 43.613857] INFO: loc[ 54.825547] vfs_write+0xe7/0x3b0 kdep is turned off. # [ 43.618231] irq event stamp: 0 # [ [ 54.835464] ksys_write+0x68/0xf0 43.621635] hardirqs last enabled at (0): [<0000000000000000>] 0[ 54.845381] do_syscall_64+0x30/0x40 x0 # [ 43.628634] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 43.637760] softirqs la[ 54.867451] RIP: 0033:0x7f7c9fdb8833 st enabled at (0): [] copy_process+0x664/0x1c[ 54.877679] 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 b0 # [ 43.646886] softirqs last disabled at (0): [<0000000000[ 54.904858] RSP: 002b:00007ffc75ac4918 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 000000>] 0x0 # [ 43.653884] CPU: 0 PID: 1945 Comm: cat Tainte[ 54.919579] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f7c9fdb8833 d: G D W 5.10.173-cip27 #1 # [ 43.662522] Hardwa[ 54.933724] RDX: 0000000000000020 RSI: 00007f7c9fcab000 RDI: 0000000000000001 re name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 43.669323[ 54.947935] RBP: 00007f7c9fcab000 R08: 00007f7c9fcaa010 R09: 0000000000000000 ] Call Trace: # [ 43.672049] dump_stack+0x77/0x9b # [ 43.[ 54.962109] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 675747] ___might_sleep.cold+0xa6/0xb6 # [ 43.680317] exit_s[ 54.976324] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ignals+0x1c/0x300 # [ 43.684297] do_exit+0xc2/0xb00 # [ 4[ 54.990495] irq event stamp: 0 3.687800] ? ksys_write+0x68/0xf0 # [ 43.691681] ? lkdtm_SLA[ 55.000154] hardirqs last enabled at (0): [<0000000000000000>] 0x0 B_FREE_CROSS.cold+0x32/0x32 # [ 43.697116] make_task_dead+0x[ 55.013357] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 2f/0x30 # [ 43.701201] rewind_stack_and_make_dead+0x17/0x20 [ 55.028695] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 43.706442] RIP: 0033:0x7f0cde07d833 # [ 43.710420] Cod[ 55.044042] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 55.057244] ---[ end trace b9cc279d67662abb ]--- e: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0[ 55.062432] lkdtm: Saturation detected: still saturated f 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 # [ 43.731399] RSP: 002b:00007fff581f5098 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 43.739853] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f0cde07d833 # [ 43.747820] RDX: 000000000000000b RSI: 00007f0cddf70000 RDI: 0000000000000001 # [ 43.755787] RBP: 00007f0cddf70000 R08: 00007f0cddf6f010 R09: 0000000000000000 # [ 43.763755] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 43.771723] 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 # [ 43.924068] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW # [ 43.935593] lkdtm: attempting good refcount_inc() without overflow # [ 43.948711] lkdtm: attempting bad refcount_inc() overflow # [ 43.960950] ------------[ cut here ]------------ # [ 43.966107] refcount_t: saturated; leaking memory. # [ 43.977698] WARNING: CPU: 1 PID: 1980 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 43.993309] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger cros_ec_sysfs uvcvideo cros_ec_sensorhub videobuf2_vmalloc cros_ec_chardev videobuf2_memops cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 44.045171] CPU: 1 PID: 1980 Comm: cat Tainted: G D W 5.10.173-cip27 #1 # [ 44.060038] Hardware name: Google Rammus[ 55.248056] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO /Rammus, BIOS 09/04/2020 # [ 44.066845] RIP: 0010:refcount_w[ 55.255329] lkdtm: attempting good copy_to_user of correct size arn_saturate+0x51/0x110 # [ 44.078893] Code: 84 bc 00 00 00 c[ 55.268191] lkdtm: attempting bad copy_to_user of too large size 3 cc cc cc cc 85 f6 74 46 80 3d 47 0b 94 01 00 75 ee 48 c7 c7 e8 8f 66 9f c6 05 37 0b 94 01 01 e8 fc a0 98 00 <0f> 0b c3 cc cc cc cc 80 3d 23 0b 94 01 00 75 cb 48 c7 c7 10 90 66 # [ 44.106091] RSP: 0018:ffff9b2f427ffe48 EFLAGS: 00010286 # [ 44.118139] RAX: 0000000000000000 RBX: 000000000000002b RCX: 0000000000000000 # [ 44.132331] RDX: ffff8ae6facac660 RSI: ffff8ae6fac9bf70 RDI: ffff8ae6fac9bf70 # [ 44.146515] RBP: ffffffff9f6cef4d R08: 0000000000000000 R09: 0000000000000000 # [ 44.154487] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 44.168693] R13: ffff9b2f427fff10 R14: ffff9b2f427fff10 R15: ffff8ae685676000 # [ 44.182861] FS: 00007fcafeddc580(0000) GS:ffff8ae6fac80000(0000) knlGS:0000000000000000 # [ 44.198110] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 44.204530] CR2: 00007fcafebe5000 CR3: 000000010496a001 CR4: 00000000003706e0 # [ 44.218712] Call Trace: # [ 44.221446] lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x98 # [ 44.233001] direct_entry.cold+0x2c/0x38 # [ 44.243597] full_proxy_write+0x53/0x80 # [ 44.254094] vfs_write+0xe7/0x3b0 # [ 44.264008] ksys_write+0x68/0xf0 # [ 44.273927] do_syscall_64+0x30/0x40 # [ 44.284133] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 44.[ 55.400951] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM 295989] RIP: 0033:0x7fcafecf2833 # [ 44.306195] Code: 8b 15 6[ 55.412399] lkdtm: attempting good copy_from_user of correct size 1 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64[ 55.425444] lkdtm: attempting bad copy_from_user of too large size 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 # [ 44.333395] RSP: 002b:00007fffabdea878 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 44.348068] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fcafecf2833 # [ 44.356044] RDX: 0000000000000016 RSI: 00007fcafebe5000 RDI: 0000000000000001 # [ 44.370226] RBP: 00007fcafebe5000 R08: 00007fcafebe4010 R09: 0000000000000000 # [ 44.378202] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 44.392386] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 44.406581] irq event stamp: 0 # [ 44.416199] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 44.429418] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 44.444772] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 44.460127] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 44.473345] ---[ end trace b9cc279d67662aab ]--- # [ 44.478504] 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 # [ 44.591895] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW # [ 44.602262] lkdtm: attempting good refcount_add() without overflow # [ 44.609168] lkdtm: attempting bad refcount_add() overflow # [ 44.615201] ------------[ cut here ]------------ # [ 44.620358] refcount_t: saturated; leaking memory. # [ 44.625717] WARNING: CPU: 3 PID: 2012 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 44.635152] Modules linked in: fuse ip_ta[ 55.601282] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO [ 55.613546] lkdtm: attempting good copy_to_user inside whitelist bles cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core indu[ 55.620274] lkdtm: attempting bad copy_to_user outside whitelist strialio_triggered_buffer kfifo_buf industrialio cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger cros_ec_sysfs uvcvideo cros_ec_sensorhub videobuf2_vmalloc cros_ec_chardev videobuf2_memops cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 44.687050] CPU: 3 PID: 2012 Comm: cat Tainted: G D W 5.10.173-cip27 #1 # [ 44.695727] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 44.702537] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 44.714585] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 47 0b 94 01 00 75 ee 48 c7 c7 e8 8f 66 9f c6 05 37 0b 94 01 01 e8 fc a0 98 00 <0f> 0b c3 cc cc cc cc 80 3d 23 0b 94 01 00 75 cb 48 c7 c7 10 90 66 # [ 44.735570] RSP: 0018:ffff9b2f4289fe48 EFLAGS: 00010286 # [ 44.741430] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000 # [ 44.749422] RDX: ffff8ae6fadac660 RSI: ffff8ae6fad9bf70 RDI: ffff8ae6fad9bf70 # [ 44.757409] RBP: ffffffff9f6cef63 R08: 0000000000000000 R09: 0000000000000000 # [ 44.771583] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 44.7795[ 55.747230] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM 74] R13: ffff9b2f4289ff10 R14: ffff9b2f4289ff10 R15: ffff8ae6832[ 55.758765] lkdtm: attempting good copy_from_user inside whitelist 02000 # [ 44.787564] FS: 00007f53a1380580(0000) GS:ffff8ae6f[ 55.771912] lkdtm: attempting bad copy_from_user outside whitelist ad80000(0000) knlGS:0000000000000000 # [ 44.796604] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 44.803021] CR2: 00007f53a1189000 CR3: 00000001046fe003 CR4: 00000000003706e0 # [ 44.810991] Call Trace: # [ 44.813721] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa7 # [ 44.819095] direct_entry.cold+0x2c/0x38 # [ 44.823515] full_proxy_write+0x53/0x80 # [ 44.827809] vfs_write+0xe7/0x3b0 # [ 44.837716] ksys_write+0x68/0xf0 # [ 44.841416] do_syscall_64+0x30/0x40 # [ 44.845433] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 44.851075] RIP: 0033:0x7f53a1296833 # [ 44.855064] 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 # [ 44.876046] RSP: 002b:00007ffd0fcc0298 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 44.884506] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f53a1296833 # [ 44.892490] RDX: 0000000000000016 RSI: 00007f53a1189000 RDI: 0000000000000001 # [ 44.900499] RBP: 00007f53a1189000 R08: 00007f53a1188010 R09: 0000000000000000 # [ 44.908486] R10: fffffffffffffbc5 R11: 0000000000000246 [ 55.902409] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO R12: 0000000000000001 # [ 44.916460] R13: 0000000000000001 R1[ 55.910151] lkdtm: good_stack: ffff9b2f433ffe20-ffff9b2f433ffe40 4: 0000000000020000 R15: 0000000000020000 # [ 44.924469] irq [ 55.923078] lkdtm: bad_stack : ffff9b2f433ffda8-ffff9b2f433ffdc8 event stamp: 0 # [ 44.927907] hardirqs last enabled at (0): [ 55.936084] lkdtm: attempting good copy_to_user of local stack [<0000000000000000>] 0x0 # [ 44.934909] hardirqs last disable[ 55.948848] lkdtm: attempting bad copy_to_user of distant stack d at (0): [] copy_process+0x664/0x1cb0 # [ 44.944045] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 44.953181] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 44.960180] ---[ end trace b9cc279d67662aac ]--- # [ 44.965336] 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 # [ 45.086032] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW # [ 45.096227] lkdtm: attempting bad refcount_inc_not_zero() overflow # [ 45.109343] ------------[ cut here ]------------ # [ 45.120718] refcount_t: saturated; leaking memory. # [ 45.132304] WARNING: CPU: 0 PID: 2044 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 45.147928] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger cros_ec_sysfs uvcvideo cros_ec_sensorhub videobuf2_vmalloc cros_ec_chardev videobuf2_memops cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common i2c_hid cros_usbpd_notify cros_kbd_[ 56.081914] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM led_backlight chromeos_pstore coreboot_table # [ 45.199788] C[ 56.093182] lkdtm: good_stack: ffff9b2f434bfe20-ffff9b2f434bfe40 PU: 0 PID: 2044 Comm: cat Tainted: G D W 5.10.173-c[ 56.106123] lkdtm: bad_stack : ffff9b2f434bfda8-ffff9b2f434bfdc8 ip27 #1 # [ 45.214621] Hardware name: Google Rammus/Rammus, B[ 56.119056] lkdtm: attempting good copy_from_user of local stack IOS 09/04/2020 # [ 45.227675] RIP: 0010:refcount_warn_satura[ 56.131991] lkdtm: attempting bad copy_from_user of distant stack te+0x97/0x110 # [ 45.239721] Code: 01 01 e8 d9 a0 98 00 0f 0b c3 cc cc cc cc 80 3d 02 0b 94 01 00 75 a8 48 c7 c7 e8 8f 66 9f c6 05 f2 0a 94 01 01 e8 b6 a0 98 00 <0f> 0b c3 cc cc cc cc 80 3d dc 0a 94 01 00 75 85 48 c7 c7 40 90 66 # [ 45.266925] RSP: 0018:ffff9b2f4291fe38 EFLAGS: 00010282 # [ 45.278957] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 # [ 45.293209] RDX: ffff8ae6fac2c660 RSI: ffff8ae6fac1bf70 RDI: ffff8ae6fac1bf70 # [ 45.307351] RBP: ffffffff9f6ceba0 R08: 0000000000000000 R09: 0000000000000000 # [ 45.321580] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 45.335770] R13: ffff9b2f4291ff10 R14: ffff9b2f4291ff10 R15: ffff8ae68368e000 # [ 45.349949] FS: 00007f92feee7580(0000) GS:ffff8ae6fac00000(0000) knlGS:0000000000000000 # [ 45.365190] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 45.377829] CR2: 00007f92fecf0000 CR3: 0000000104406006 CR4: 00000000003706f0 # [ 45.392031] Call Trace: # [ 45.400976] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 45.413317] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x76 # [ 45.425760] direct_entry.cold+0x2c/0x38 # [ 45.436359] full_proxy_write+0x53/0x80 [ 56.260341] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND # [ 45.446860] vfs_write+0xe7/0x3b0 # [ 45.456772] ksys_w[ 56.269805] lkdtm: good_stack: ffff9b2f43537e20-ffff9b2f43537e40 rite+0x68/0xf0 # [ 45.466700] do_syscall_64+0x30/0x40 # [ [ 56.282739] lkdtm: bad_stack : ffff9b2f43537ff8-ffff9b2f43538018 45.476899] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 45.[ 56.295740] lkdtm: attempting good copy_to_user of local stack 488745] RIP: 0033:0x7f92fedfd833 # [ 45.498947] Code: 8b 15 6[ 56.308506] lkdtm: attempting bad copy_to_user of distant stack 1 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64[ 56.321347] lkdtm: copy_to_user failed, but lacked Oops 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 # [ 45.526152] RSP: 002b:00007ffde6727d78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 45.540845] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f92fedfd833 # [ 45.555069] RDX: 000000000000001f RSI: 00007f92fecf0000 RDI: 0000000000000001 # [ 45.569316] RBP: 00007f92fecf0000 R08: 00007f92fecef010 R09: 0000000000000000 # [ 45.583491] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 45.597685] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 45.611896] irq event stamp: 0 # [ 45.621480] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 45.634763] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 45.650099] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 45.665489] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 45.678724] ---[ end trace b9cc279d67662aad ]--- # [ 45.690122] 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_OVE[ 56.453315] lkdtm: Performing direct entry USERCOPY_KERNEL [ 56.463701] lkdtm: attempting good copy_to_user from kernel rodata: ffffffff9f2d5f10 [ 56.472410] lkdtm: attempting bad copy_to_user from kernel text: ffffffff9dee4290 RFLOW.sh # [ 45.834260] lkdtm: Performing direct entry REFCOU[ 56.480779] lkdtm: FAIL: survived bad copy_to_user() NT_ADD_NOT_ZERO_OVERFLOW # [ 45.845779] lkdtm: attempting bad refcount_add_not_zero() overflow # [ 45.858902] ------------[ cut here ]------------ # [ 45.870260] refcount_t: saturated; leaking memory. # [ 45.881858] WARNING: CPU: 0 PID: 2076 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 45.897505] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger cros_ec_sysfs uvcvideo cros_ec_sensorhub videobuf2_vmalloc cros_ec_chardev videobuf2_memops cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 45.949359] CPU: 0 PID: 2076 Comm: cat Tainted: G D W 5.10.173-cip27 #1 # [ 45.964223] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 45.977242] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 45.989289] Code: 01 01 e8 d9 a0 98 00 0f 0b c3 cc cc cc cc 80 3d 02 0b 94 01 00 75 a8 48 c7 c7 e8 8f 66 9f c6 05 f2 0a 94 01 01 e8 b6 a0 98 00 <0f> 0b c3 cc cc cc cc 80 3d dc 0a 94 01 00 75 85 48 c7 c7 40 90 66 # [ 46.016491] RSP: 0018:ffff9b2f42997e38 EFLAGS: 000[ 56.614221] lkdtm: Performing direct entry STACKLEAK_ERASING [ 56.623295] lkdtm: checking unused part of the thread stack (15928 bytes)... [ 56.631185] lkdtm: FAIL: the erased part is not found (checked 15928 bytes) 10282 # [ 46.028564] RAX: 0000000000000000 RBX: 000000007ffff[ 56.638974] lkdtm: FAIL: the thread stack is NOT properly erased [ 56.651898] CPU: 2 PID: 2881 Comm: cat Tainted: G D W 5.10.173-cip27 #1 [ 56.660545] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 56.667347] Call Trace: [ 56.670077] dump_stack+0x77/0x9b [ 56.673774] lkdtm_STACKLEAK_ERASING+0x116/0x144 [ 56.678928] direct_entry.cold+0x2c/0x38 [ 56.683298] full_proxy_write+0x53/0x80 [ 56.687579] vfs_write+0xe7/0x3b0 [ 56.691276] ksys_write+0x68/0xf0 [ 56.694974] do_syscall_64+0x30/0x40 [ 56.698963] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 56.704602] RIP: 0033:0x7fc68d927833 [ 56.708582] 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 [ 56.729562] RSP: 002b:00007ffd4f18d078 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 56.738015] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fc68d927833 [ 56.745983] RDX: 0000000000000012 RSI: 00007fc68d81a000 RDI: 0000000000000001 [ 56.753951] RBP: 00007fc68d81a000 R08: 00007fc68d819010 R09: 0000000000000000 [ 56.761920] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 56.769888] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 fff RCX: 0000000000000000 # [ 46.042757] RDX: ffff8ae6fac2c660 RSI: ffff8ae6fac1bf70 RDI: ffff8ae6fac1bf70 # [ 46.056964] RBP: ffffffff9f6cebc0 R08: 0000000000000000 R09: 0000000000000000 # [ 46.071155] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 46.085357] R13: ffff9b2f42997f10 R14: ffff9b2f42997f10 R15: ffff8ae685591000 # [ 46.099562] FS: 00007f866812a580(0000) GS:ffff8ae6fac00000(0000) knlGS:0000000000000000 # [ 46.114831] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 46.127457] CR2: 00007f8667f33000 CR3: 000000010388e004 CR4: 00000000003706f0 # [ 46.141641] Call Trace: # [ 46.150619] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 46.162928] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x76 # [ 46.175464] direct_entry.cold+0x2c/0x38 # [ 46.186016] full_proxy_write+0x53/0x80 # [ 46.196556] vfs_write+0xe7/0x3b0 # [ 46.206476] ksys_write+0x68/0xf0 # [ 46.216381] do_syscall_64+0x30/0x40 # [ 46.226604] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 46.238445] RIP: 0033:0x7f8668040833 # [ 46.248702] 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 [ 56.898750] lkdtm: Performing direct entry CFI_FORWARD_PROTO 48 83 ec 28 48 89 54 24 18 # [ 46.275856] RSP: 002b:00007fff7[ 56.908549] lkdtm: Calling matched prototype ... 6ecf358 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 46.29[ 56.919928] lkdtm: Calling mismatched prototype ... 0565] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f866[ 56.931580] lkdtm: Fail: survived mismatched prototype function call! 8040833 # [ 46.304711] RDX: 000000000000001f RSI: 00007f8667f33000 RDI: 0000000000000001 # [ 46.318950] RBP: 00007f8667f33000 R08: 00007f8667f32010 R09: 0000000000000000 # [ 46.333117] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 46.347324] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 46.361524] irq event stamp: 0 # [ 46.371199] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 46.384386] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 46.399775] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 46.415104] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 46.428346] ---[ end trace b9cc279d67662aae ]--- # [ 46.439709] 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 # [ 46.560665] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO # [ 46.569182] lkdtm: attempting good refcount_dec() # [ 46.580643] lkdtm: attempting bad refcount_dec() to zero # [ 46.592813] ------------[ cut here ]------------ # [ 46.604194] refcount_t: decrement hit 0; leaking memory. # [ 46.616383] WARNING: CPU: 0 PID: 2108 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 46.632000] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger cros_ec_sysfs uvcvideo cros_ec_sensorhub videobuf2_vmalloc cros_ec_chardev videobuf2_memops cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 46.683872] CPU: 0 PID: 2108 Comm: cat Tainted: G D W 5.10.173-cip27 #1 # [ 46.698749] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 46.711779] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 46.723822] Code: 98 90 66 9f c6 05 a3 0a 94 01 01 e8 6c a0 98 00 0f 0b c3 cc cc cc cc 48 c7 c7 68 90 66 9f c6 05 8a 0a 94 01 01 e8 52 a0 98 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 46.751061] RSP: 0018:ffff9b2f42a2fe48 EFLAGS: 00010286 # [ 46.763203] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000 # [ 46.777355] RDX: ffff8ae6fac2c660 RSI: ffff8ae6fac1bf70 RDI: ffff8ae6fac1bf70 # [ 46.791567] RBP: ffffffff9f6cef79 R08: 0000000000000000 R09: 0000000000000000 # [ 46.805734] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 46.820009] R13: ffff9b2f42a2ff10 R14: ffff9b2f42a2ff10 R15: ffff8ae685729000 # [ 46.834131] FS: 00007f595a351580(0000) GS:ffff8ae6fac00000(0000) knlGS:0000000000000000 # [ 46.849431] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 46.862025] CR2: 00007f595a15a000 CR3: 0000000103646006 CR4: 00000000003706f0 # [ 46.876237] Call Trace: # [ 46.885170] lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xbd # [ 46.896361] direct_entry.cold+0x2c/0x38 # [ 46.906942] full_proxy_write+0x53/0x80 # [ 46.917466] vfs_write+0xe7/0x3b0 # [ 46.927362] ksys_write+0x68/0xf0 # [ 46.937290] do_syscall_64+0x30/0x40 # [ 46.947484] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 46.959362] RIP: 0033:0x7f595a267833 # [ 46.969549] 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 # [ 46.996773] RSP: 002b:00007ffe8410e128 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 47.011423] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f595a267833 # [ 47.025637] RDX: 0000000000000012 RSI: 00007f595a15a000 RDI: 0000000000000001 # [ 47.039802] RBP: 00007f595a15a000 R08: 00007f595a159010 R09: 0000000000000000 # [ 47.054009] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 47.068180] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 47.082400] irq event stamp: 0 # [ 47.091999] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 47.105228] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 47.120565] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 47.135937] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 47.149135] ---[ end trace b9cc279d67662aaf ]--- # [ 47.160535] 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 # [ 47.288214] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE # [ 47.296227] lkdtm: attempting bad refcount_dec() below zero # [ 47.308665] ------------[ cut here ]------------ # [ 47.320039] refcount_t: decrement hit 0; leaking memory. # [ 47.332228] WARNING: CPU: 0 PID: 2143 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 47.347852] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger cros_ec_sysfs uvcvideo cros_ec_sensorhub videobuf2_vmalloc cros_ec_chardev videobuf2_memops cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 47.399719] CPU: 0 PID: 2143 Comm: cat Tainted: G D W 5.10.173-cip27 #1 # [ 47.414607] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 47.427617] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 47.439718] Code: 98 90 66 9f c6 05 a3 0a 94 01 01 e8 6c a0 98 00 0f 0b c3 cc cc cc cc 48 c7 c7 68 90 66 9f c6 05 8a 0a 94 01 01 e8 52 a0 98 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 47.466910] RSP: 0018:ffff9b2f42aa7e48 EFLAGS: 00010286 # [ 47.478954] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000 # [ 47.493185] RDX: ffff8ae6fac2c660 RSI: ffff8ae6fac1bf70 RDI: ffff8ae6fac1bf70 # [ 47.507342] RBP: ffffffff9f6cef8b R08: 0000000000000000 R09: 0000000000000000 # [ 47.521564] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 47.535733] R13: ffff9b2f42aa7f10 R14: ffff9b2f42aa7f10 R15: ffff8ae683641000 # [ 47.549967] FS: 00007f9a7d8b1580(0000) GS:ffff8ae6fac00000(0000) knlGS:0000000000000000 # [ 47.565215] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 47.577876] CR2: 00007f9a7d6ba000 CR3: 00000001046fa003 CR4: 00000000003706f0 # [ 47.592039] Call Trace: # [ 47.601019] lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x61 # [ 47.612608] direct_entry.cold+0x2c/0x38 # [ 47.623182] full_proxy_write+0x53/0x80 # [ 47.633670] vfs_write+0xe7/0x3b0 # [ 47.643602] ksys_write+0x68/0xf0 # [ 47.653506] do_syscall_64+0x30/0x40 # [ 47.663737] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 47.675577] RIP: 0033:0x7f9a7d7c7833 # [ 47.685832] 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 # [ 47.712993] RSP: 002b:00007ffdd6fb3888 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 47.727686] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f9a7d7c7833 # [ 47.741870] RDX: 0000000000000016 RSI: 00007f9a7d6ba000 RDI: 0000000000000001 # [ 47.756057] RBP: 00007f9a7d6ba000 R08: 00007f9a7d6b9010 R09: 0000000000000000 # [ 47.770255] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 47.784406] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 47.798646] irq event stamp: 0 # [ 47.808222] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 47.821467] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 47.836788] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 47.852151] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 47.865356] ---[ end trace b9cc279d67662ab0 ]--- # [ 47.876732] 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 # [ 48.006594] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE # [ 48.019893] lkdtm: attempting bad refcount_dec_and_test() below zero # [ 48.033203] ------------[ cut here ]------------ # [ 48.044602] refcount_t: underflow; use-after-free. # [ 48.056181] WARNING: CPU: 0 PID: 2178 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 48.071804] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger cros_ec_sysfs uvcvideo cros_ec_sensorhub videobuf2_vmalloc cros_ec_chardev videobuf2_memops cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 48.123675] CPU: 0 PID: 2178 Comm: cat Tainted: G D W 5.10.173-cip27 #1 # [ 48.138562] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 48.151584] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 48.163630] Code: 01 01 e8 b6 a0 98 00 0f 0b c3 cc cc cc cc 80 3d dc 0a 94 01 00 75 85 48 c7 c7 40 90 66 9f c6 05 cc 0a 94 01 01 e8 93 a0 98 00 <0f> 0b c3 cc cc cc cc 80 3d b7 0a 94 01 00 0f 85 5e ff ff ff 48 c7 # [ 48.190857] RSP: 0018:ffff9b2f42b3fe40 EFLAGS: 00010286 # [ 48.202891] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000 # [ 48.217097] RDX: ffff8ae6fac2c660 RSI: ffff8ae6fac1bf70 RDI: ffff8ae6fac1bf70 # [ 48.231270] RBP: ffffffff9f6cebe0 R08: 0000000000000000 R09: 0000000000000000 # [ 48.245495] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 48.259640] R13: ffff9b2f42b3ff10 R14: ffff9b2f42b3ff10 R15: ffff8ae6857a6000 # [ 48.273859] FS: 00007f5ef9cf8580(0000) GS:ffff8ae6fac00000(0000) knlGS:0000000000000000 # [ 48.289095] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 48.301737] CR2: 00007f5ef9b01000 CR3: 000000010334a006 CR4: 00000000003706f0 # [ 48.315917] Call Trace: # [ 48.324878] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 48.337202] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x78 # [ 48.349663] direct_entry.cold+0x2c/0x38 # [ 48.360237] full_proxy_write+0x53/0x80 # [ 48.370753] vfs_write+0xe7/0x3b0 # [ 48.380651] ksys_write+0x68/0xf0 # [ 48.390585] do_syscall_64+0x30/0x40 # [ 48.400773] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 48.412651] RIP: 0033:0x7f5ef9c0e833 # [ 48.422846] 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 # [ 48.450080] RSP: 002b:00007fffd48b4948 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 48.464729] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f5ef9c0e833 # [ 48.478921] RDX: 000000000000001f RSI: 00007f5ef9b01000 RDI: 0000000000000001 # [ 48.493101] RBP: 00007f5ef9b01000 R08: 00007f5ef9b00010 R09: 0000000000000000 # [ 48.507284] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 48.521468] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 48.535668] irq event stamp: 0 # [ 48.545278] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 48.558508] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 48.573846] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 48.589227] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 48.602423] ---[ end trace b9cc279d67662ab1 ]--- # [ 48.613794] 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 # [ 48.759278] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE # [ 48.769367] lkdtm: attempting bad refcount_sub_and_test() below zero # [ 48.776481] ------------[ cut here ]------------ # [ 48.781641] refcount_t: underflow; use-after-free. # [ 48.787050] WARNING: CPU: 3 PID: 2213 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 48.796485] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger cros_ec_sysfs uvcvideo cros_ec_sensorhub videobuf2_vmalloc cros_ec_chardev videobuf2_memops cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 48.848363] CPU: 3 PID: 2213 Comm: cat Tainted: G D W 5.10.173-cip27 #1 # [ 48.863222] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 48.870032] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 48.882081] Code: 01 01 e8 b6 a0 98 00 0f 0b c3 cc cc cc cc 80 3d dc 0a 94 01 00 75 85 48 c7 c7 40 90 66 9f c6 05 cc 0a 94 01 01 e8 93 a0 98 00 <0f> 0b c3 cc cc cc cc 80 3d b7 0a 94 01 00 0f 85 5e ff ff ff 48 c7 # [ 48.903069] RSP: 0018:ffff9b2f42bcfe40 EFLAGS: 00010286 # [ 48.908936] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000 # [ 48.916911] RDX: ffff8ae6fadac660 RSI: ffff8ae6fad9bf70 RDI: ffff8ae6fad9bf70 # [ 48.931096] RBP: ffffffff9f6cec00 R08: 0000000000000000 R09: 0000000000000000 # [ 48.939069] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 48.953254] R13: ffff9b2f42bcff10 R14: ffff9b2f42bcff10 R15: ffff8ae683be7000 # [ 48.961256] FS: 00007f464b20a580(0000) GS:ffff8ae6fad80000(0000) knlGS:0000000000000000 # [ 48.976501] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 48.982922] CR2: 00007f464b013000 CR3: 0000000105702006 CR4: 00000000003706e0 # [ 48.990949] Call Trace: # [ 48.993699] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 49.006023] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x7b # [ 49.012269] direct_entry.cold+0x2c/0x38 # [ 49.016658] full_proxy_write+0x53/0x80 # [ 49.027149] vfs_write+0xe7/0x3b0 # [ 49.030880] ksys_write+0x68/0xf0 # [ 49.034583] do_syscall_64+0x30/0x40 # [ 49.038607] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 49.044253] RIP: 0033:0x7f464b120833 # [ 49.048253] 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 # [ 49.075445] RSP: 002b:00007ffedec1b078 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 49.083903] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f464b120833 # [ 49.091877] RDX: 000000000000001f RSI: 00007f464b013000 RDI: 0000000000000001 # [ 49.099848] RBP: 00007f464b013000 R08: 00007f464b012010 R09: 0000000000000000 # [ 49.107821] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 49.115793] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 49.123769] irq event stamp: 0 # [ 49.127207] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 49.134211] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 49.143355] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 49.152492] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 49.159491] ---[ end trace b9cc279d67662ab2 ]--- # [ 49.164648] 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 # [ 49.277314] lkdtm: Performing direct entry REFCOUNT_INC_ZERO # [ 49.287968] lkdtm: attempting safe refcount_inc_not_zero() from zero # [ 49.301288] lkdtm: Good: zero detected # [ 49.311675] lkdtm: Correctly stayed at zero # [ 49.322616] lkdtm: attempting bad refcount_inc() from zero # [ 49.334934] ------------[ cut here ]------------ # [ 49.346324] refcount_t: addition on 0; use-after-free. # [ 49.358272] WARNING: CPU: 0 PID: 2245 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 # [ 49.373924] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger cros_ec_sysfs uvcvideo cros_ec_sensorhub videobuf2_vmalloc cros_ec_chardev videobuf2_memops cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 49.425749] CPU: 0 PID: 2245 Comm: cat Tainted: G D W 5.10.173-cip27 #1 # [ 49.440684] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 49.453676] RIP: 0010:refcount_warn_saturate+0x74/0x110 # [ 49.465716] Code: 01 01 e8 fc a0 98 00 0f 0b c3 cc cc cc cc 80 3d 23 0b 94 01 00 75 cb 48 c7 c7 10 90 66 9f c6 05 13 0b 94 01 01 e8 d9 a0 98 00 <0f> 0b c3 cc cc cc cc 80 3d 02 0b 94 01 00 75 a8 48 c7 c7 e8 8f 66 # [ 49.492932] RSP: 0018:ffff9b2f42c3fe48 EFLAGS: 00010286 # [ 49.504996] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000 # [ 49.519159] RDX: ffff8ae6fac2c660 RSI: ffff8ae6fac1bf70 RDI: ffff8ae6fac1bf70 # [ 49.533373] RBP: ffffffff9f6cefa1 R08: 0000000000000000 R09: 0000000000000000 # [ 49.547536] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 49.561754] R13: ffff9b2f42c3ff10 R14: ffff9b2f42c3ff10 R15: ffff8ae683c6f000 # [ 49.575919] FS: 00007f5064896580(0000) GS:ffff8ae6fac00000(0000) knlGS:0000000000000000 # [ 49.591238] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 49.603844] CR2: 00007f506469f000 CR3: 0000000104946001 CR4: 00000000003706f0 # [ 49.618038] Call Trace: # [ 49.626998] lkdtm_REFCOUNT_INC_ZERO+0x99/0xc1 # [ 49.638169] direct_entry.cold+0x2c/0x38 # [ 49.648768] full_proxy_write+0x53/0x80 # [ 49.659255] vfs_write+0xe7/0x3b0 # [ 49.669224] ksys_write+0x68/0xf0 # [ 49.679137] do_syscall_64+0x30/0x40 # [ 49.689375] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 49.701200] RIP: 0033:0x7f50647ac833 # [ 49.711464] 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 # [ 49.738627] RSP: 002b:00007fffbe86d058 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 49.753364] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f50647ac833 # [ 49.767516] RDX: 0000000000000012 RSI: 00007f506469f000 RDI: 0000000000000001 # [ 49.781753] RBP: 00007f506469f000 R08: 00007f506469e010 R09: 0000000000000000 # [ 49.795926] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 49.810172] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 49.824332] irq event stamp: 0 # [ 49.834035] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 49.847197] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 49.862583] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 49.877922] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 49.891162] ---[ end trace b9cc279d67662ab3 ]--- # [ 49.902528] 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 # [ 50.024282] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO # [ 50.031707] lkdtm: attempting safe refcount_add_not_zero() from zero # [ 50.045047] lkdtm: Good: zero detected # [ 50.055438] lkdtm: Correctly stayed at zero # [ 50.066287] lkdtm: attempting bad refcount_add() from zero # [ 50.078629] ------------[ cut here ]------------ # [ 50.090043] refcount_t: addition on 0; use-after-free. # [ 50.102009] WARNING: CPU: 0 PID: 2277 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 # [ 50.117597] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger cros_ec_sysfs uvcvideo cros_ec_sensorhub videobuf2_vmalloc cros_ec_chardev videobuf2_memops cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 50.169503] CPU: 0 PID: 2277 Comm: cat Tainted: G D W 5.10.173-cip27 #1 # [ 50.184380] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 50.197445] RIP: 0010:refcount_warn_saturate+0x74/0x110 # [ 50.209470] Code: 01 01 e8 fc a0 98 00 0f 0b c3 cc cc cc cc 80 3d 23 0b 94 01 00 75 cb 48 c7 c7 10 90 66 9f c6 05 13 0b 94 01 01 e8 d9 a0 98 00 <0f> 0b c3 cc cc cc cc 80 3d 02 0b 94 01 00 75 a8 48 c7 c7 e8 8f 66 # [ 50.236699] RSP: 0018:ffff9b2f42b1fe48 EFLAGS: 00010286 # [ 50.248772] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000 # [ 50.262983] RDX: ffff8ae6fac2c660 RSI: ffff8ae6fac1bf70 RDI: ffff8ae6fac1bf70 # [ 50.277176] RBP: ffffffff9f6cefb3 R08: 0000000000000000 R09: 0000000000000000 # [ 50.291397] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 50.305581] R13: ffff9b2f42b1ff10 R14: ffff9b2f42b1ff10 R15: ffff8ae685675000 # [ 50.319796] FS: 00007f26b246f580(0000) GS:ffff8ae6fac00000(0000) knlGS:0000000000000000 # [ 50.335049] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 50.347719] CR2: 00007f26b2278000 CR3: 00000001036bc006 CR4: 00000000003706f0 # [ 50.361900] Call Trace: # [ 50.370878] lkdtm_REFCOUNT_ADD_ZERO+0x99/0xc1 # [ 50.382050] direct_entry.cold+0x2c/0x38 # [ 50.392691] full_proxy_write+0x53/0x80 # [ 50.403166] vfs_write+0xe7/0x3b0 # [ 50.413110] ksys_write+0x68/0xf0 # [ 50.423021] do_syscall_64+0x30/0x40 # [ 50.433259] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 50.445110] RIP: 0033:0x7f26b2385833 # [ 50.455325] 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 # [ 50.482519] RSP: 002b:00007ffcfcabf938 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 50.497224] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f26b2385833 # [ 50.511404] RDX: 0000000000000012 RSI: 00007f26b2278000 RDI: 0000000000000001 # [ 50.525596] RBP: 00007f26b2278000 R08: 00007f26b2277010 R09: 0000000000000000 # [ 50.539774] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 50.553997] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 50.568206] irq event stamp: 0 # [ 50.577856] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 50.591070] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 50.606455] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 50.621824] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 50.635069] ---[ end trace b9cc279d67662ab4 ]--- # [ 50.646440] 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 # [ 50.801822] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED # [ 50.813280] lkdtm: attempting bad refcount_inc() from saturated # [ 50.819901] ------------[ cut here ]------------ # [ 50.825065] refcount_t: saturated; leaking memory. # [ 50.830428] WARNING: CPU: 2 PID: 2312 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 50.839864] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger cros_ec_sysfs uvcvideo cros_ec_sensorhub videobuf2_vmalloc cros_ec_chardev videobuf2_memops cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 50.891765] CPU: 2 PID: 2312 Comm: cat Tainted: G D W 5.10.173-cip27 #1 # [ 50.900447] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 50.907256] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 50.913123] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 47 0b 94 01 00 75 ee 48 c7 c7 e8 8f 66 9f c6 05 37 0b 94 01 01 e8 fc a0 98 00 <0f> 0b c3 cc cc cc cc 80 3d 23 0b 94 01 00 75 cb 48 c7 c7 10 90 66 # [ 50.934107] RSP: 0018:ffff9b2f42d27e48 EFLAGS: 00010286 # [ 50.946157] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000 # [ 50.954132] RDX: ffff8ae6fad2c660 RSI: ffff8ae6fad1bf70 RDI: ffff8ae6fad1bf70 # [ 50.968320] RBP: ffffffff9f6cefc5 R08: 0000000000000000 R09: 0000000000000000 # [ 50.982503] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 50.990475] R13: ffff9b2f42d27f10 R14: ffff9b2f42d27f10 R15: ffff8ae683735000 # [ 51.004659] FS: 00007ff40c7fd580(0000) GS:ffff8ae6fad00000(0000) knlGS:0000000000000000 # [ 51.013698] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 51.020114] CR2: 00007ff40c606000 CR3: 0000000105f70005 CR4: 00000000003706e0 # [ 51.028084] Call Trace: # [ 51.030814] lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x64 # [ 51.036293] direct_entry.cold+0x2c/0x38 # [ 51.040696] full_proxy_write+0x53/0x80 # [ 51.045003] vfs_write+0xe7/0x3b0 # [ 51.048726] ksys_write+0x68/0xf0 # [ 51.052426] do_syscall_64+0x30/0x40 # [ 51.056416] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 51.062060] RIP: 0033:0x7ff40c713833 # [ 51.072267] 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 # [ 51.093257] RSP: 002b:00007fff6d150278 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 51.101714] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007ff40c713833 # [ 51.109685] RDX: 0000000000000017 RSI: 00007ff40c606000 RDI: 0000000000000001 # [ 51.117654] RBP: 00007ff40c606000 R08: 00007ff40c605010 R09: 0000000000000000 # [ 51.125617] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 51.133589] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 51.141563] irq event stamp: 0 # [ 51.145001] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 51.152002] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 51.161137] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 51.170273] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 51.177273] ---[ end trace b9cc279d67662ab5 ]--- # [ 51.182447] 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 # [ 51.327684] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED # [ 51.338226] lkdtm: attempting bad refcount_dec() from saturated # [ 51.351055] ------------[ cut here ]------------ # [ 51.362423] refcount_t: decrement hit 0; leaking memory. # [ 51.368385] WARNING: CPU: 1 PID: 2347 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 51.383993] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger cros_ec_sysfs uvcvideo cros_ec_sensorhub videobuf2_vmalloc cros_ec_chardev videobuf2_memops cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 51.435856] CPU: 1 PID: 2347 Comm: cat Tainted: G D W 5.10.173-cip27 #1 # [ 51.450722] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 51.463744] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 51.475797] Code: 98 90 66 9f c6 05 a3 0a 94 01 01 e8 6c a0 98 00 0f 0b c3 cc cc cc cc 48 c7 c7 68 90 66 9f c6 05 8a 0a 94 01 01 e8 52 a0 98 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 51.502999] RSP: 0018:ffff9b2f42d97e48 EFLAGS: 00010286 # [ 51.515044] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000 # [ 51.529238] RDX: ffff8ae6facac660 RSI: ffff8ae6fac9bf70 RDI: ffff8ae6fac9bf70 # [ 51.543421] RBP: ffffffff9f6cefdc R08: 0000000000000000 R09: 0000000000000000 # [ 51.557602] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 51.571790] R13: ffff9b2f42d97f10 R14: ffff9b2f42d97f10 R15: ffff8ae683671000 # [ 51.585982] FS: 00007f8237721580(0000) GS:ffff8ae6fac80000(0000) knlGS:0000000000000000 # [ 51.601235] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 51.613871] CR2: 00007f823752a000 CR3: 0000000105fce001 CR4: 00000000003706e0 # [ 51.628059] Call Trace: # [ 51.637005] lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5f # [ 51.648667] direct_entry.cold+0x2c/0x38 # [ 51.659262] full_proxy_write+0x53/0x80 # [ 51.669760] vfs_write+0xe7/0x3b0 # [ 51.679676] ksys_write+0x68/0xf0 # [ 51.689592] do_syscall_64+0x30/0x40 # [ 51.699800] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 51.711656] RIP: 0033:0x7f8237637833 # [ 51.721863] 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 # [ 51.749065] RSP: 002b:00007ffe35e236a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 51.763740] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f8237637833 # [ 51.771715] RDX: 0000000000000017 RSI: 00007f823752a000 RDI: 0000000000000001 # [ 51.785898] RBP: 00007f823752a000 R08: 00007f8237529010 R09: 0000000000000000 # [ 51.793874] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 51.808054] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 51.816036] irq event stamp: 0 # [ 51.825649] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 51.838869] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 51.854224] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 51.869579] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 51.876581] ---[ end trace b9cc279d67662ab6 ]--- # [ 51.887950] 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 # [ 52.020760] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED # [ 52.031127] lkdtm: attempting bad refcount_dec() from saturated # [ 52.037752] ------------[ cut here ]------------ # [ 52.042921] refcount_t: saturated; leaking memory. # [ 52.048288] WARNING: CPU: 3 PID: 2382 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 52.057725] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger cros_ec_sysfs uvcvideo cros_ec_sensorhub videobuf2_vmalloc cros_ec_chardev videobuf2_memops cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 52.103408] CPU: 3 PID: 2382 Comm: cat Tainted: G D W 5.10.173-cip27 #1 # [ 52.112089] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 52.118899] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 52.124778] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 47 0b 94 01 00 75 ee 48 c7 c7 e8 8f 66 9f c6 05 37 0b 94 01 01 e8 fc a0 98 00 <0f> 0b c3 cc cc cc cc 80 3d 23 0b 94 01 00 75 cb 48 c7 c7 10 90 66 # [ 52.145773] RSP: 0018:ffff9b2f42e47e48 EFLAGS: 00010286 # [ 52.157825] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000 # [ 52.165801] RDX: ffff8ae6fadac660 RSI: ffff8ae6fad9bf70 RDI: ffff8ae6fad9bf70 # [ 52.173805] RBP: ffffffff9f6ceff3 R08: 0000000000000000 R09: 0000000000000000 # [ 52.187993] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 52.195965] R13: ffff9b2f42e47f10 R14: ffff9b2f42e47f10 R15: ffff8ae685d6a000 # [ 52.203935] FS: 00007febeba2f580(0000) GS:ffff8ae6fad80000(0000) knlGS:0000000000000000 # [ 52.212974] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 52.219414] CR2: 00007febeb838000 CR3: 00000001037b2006 CR4: 00000000003706e0 # [ 52.227397] Call Trace: # [ 52.236336] lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x64 # [ 52.241816] direct_entry.cold+0x2c/0x38 # [ 52.246196] full_proxy_write+0x53/0x80 # [ 52.250505] vfs_write+0xe7/0x3b0 # [ 52.254229] ksys_write+0x68/0xf0 # [ 52.257929] do_syscall_64+0x30/0x40 # [ 52.261920] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 52.267563] RIP: 0033:0x7febeb945833 # [ 52.271554] 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 # [ 52.292536] RSP: 002b:00007ffe711a33e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 52.300994] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007febeb945833 # [ 52.308964] RDX: 0000000000000017 RSI: 00007febeb838000 RDI: 0000000000000001 # [ 52.316936] RBP: 00007febeb838000 R08: 00007febeb837010 R09: 0000000000000000 # [ 52.324908] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 52.332878] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 52.340854] irq event stamp: 0 # [ 52.344287] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 52.357496] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 52.366633] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 52.375770] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 52.382771] ---[ end trace b9cc279d67662ab7 ]--- # [ 52.387926] 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 # [ 52.508494] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED # [ 52.519580] lkdtm: attempting bad refcount_inc_not_zero() from saturated # [ 52.533285] ------------[ cut here ]------------ # [ 52.544655] refcount_t: saturated; leaking memory. # [ 52.556233] WARNING: CPU: 1 PID: 2414 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 52.571867] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger cros_ec_sysfs uvcvideo cros_ec_sensorhub videobuf2_vmalloc cros_ec_chardev videobuf2_memops cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 52.623765] CPU: 1 PID: 2414 Comm: cat Tainted: G D W 5.10.173-cip27 #1 # [ 52.638611] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 52.651650] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 52.663702] Code: 01 01 e8 d9 a0 98 00 0f 0b c3 cc cc cc cc 80 3d 02 0b 94 01 00 75 a8 48 c7 c7 e8 8f 66 9f c6 05 f2 0a 94 01 01 e8 b6 a0 98 00 <0f> 0b c3 cc cc cc cc 80 3d dc 0a 94 01 00 75 85 48 c7 c7 40 90 66 # [ 52.684714] RSP: 0018:ffff9b2f42ed7e38 EFLAGS: 00010282 # [ 52.696760] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 # [ 52.704735] RDX: ffff8ae6facac660 RSI: ffff8ae6fac9bf70 RDI: ffff8ae6fac9bf70 # [ 52.718916] RBP: ffffffff9f6cec20 R08: 0000000000000000 R09: 0000000000000000 # [ 52.726890] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 52.741073] R13: ffff9b2f42ed7f10 R14: ffff9b2f42ed7f10 R15: ffff8ae683792000 # [ 52.749047] FS: 00007f13e3e97580(0000) GS:ffff8ae6fac80000(0000) knlGS:0000000000000000 # [ 52.764298] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 52.770718] CR2: 00007f13e3ca0000 CR3: 0000000103672005 CR4: 00000000003706e0 # [ 52.784900] Call Trace: # [ 52.787633] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 52.799970] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x76 # [ 52.812526] direct_entry.cold+0x2c/0x38 # [ 52.816907] full_proxy_write+0x53/0x80 # [ 52.827408] vfs_write+0xe7/0x3b0 # [ 52.837324] ksys_write+0x68/0xf0 # [ 52.847244] do_syscall_64+0x30/0x40 # [ 52.857453] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 52.869309] RIP: 0033:0x7f13e3dad833 # [ 52.879518] 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 # [ 52.906720] RSP: 002b:00007fff7737c8f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 52.921395] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f13e3dad833 # [ 52.935583] RDX: 0000000000000020 RSI: 00007f13e3ca0000 RDI: 0000000000000001 # [ 52.949773] RBP: 00007f13e3ca0000 R08: 00007f13e3c9f010 R09: 0000000000000000 # [ 52.963964] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 52.978152] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 52.992347] irq event stamp: 0 # [ 53.001967] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 53.015187] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 53.030539] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 53.045895] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 53.059114] ---[ end trace b9cc279d67662ab8 ]--- # [ 53.070486] 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 # [ 53.200471] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED # [ 53.208480] lkdtm: attempting bad refcount_add_not_zero() from saturated # [ 53.215994] ------------[ cut here ]------------ # [ 53.227363] refcount_t: saturated; leaking memory. # [ 53.238939] WARNING: CPU: 2 PID: 2446 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 53.254568] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger cros_ec_sysfs uvcvideo cros_ec_sensorhub videobuf2_vmalloc cros_ec_chardev videobuf2_memops cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 53.306489] CPU: 2 PID: 2446 Comm: cat Tainted: G D W 5.10.173-cip27 #1 # [ 53.315153] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 53.328168] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 53.334018] Code: 01 01 e8 d9 a0 98 00 0f 0b c3 cc cc cc cc 80 3d 02 0b 94 01 00 75 a8 48 c7 c7 e8 8f 66 9f c6 05 f2 0a 94 01 01 e8 b6 a0 98 00 <0f> 0b c3 cc cc cc cc 80 3d dc 0a 94 01 00 75 85 48 c7 c7 40 90 66 # [ 53.361214] RSP: 0018:ffff9b2f42f67e38 EFLAGS: 00010282 # [ 53.367049] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 # [ 53.375020] RDX: ffff8ae6fad2c660 RSI: ffff8ae6fad1bf70 RDI: ffff8ae6fad1bf70 # [ 53.382992] RBP: ffffffff9f6cec40 R08: 0000000000000000 R09: 0000000000000000 # [ 53.390961] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 53.398924] R13: ffff9b2f42f67f10 R14: ffff9b2f42f67f10 R15: ffff8ae685703000 # [ 53.406894] FS: 00007fa857453580(0000) GS:ffff8ae6fad00000(0000) knlGS:0000000000000000 # [ 53.415933] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 53.422349] CR2: 00007fa85725c000 CR3: 00000001027fa006 CR4: 00000000003706e0 # [ 53.430347] Call Trace: # [ 53.433076] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 53.439228] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x76 # [ 53.445548] direct_entry.cold+0x2c/0x38 # [ 53.449930] full_proxy_write+0x53/0x80 # [ 53.454238] vfs_write+0xe7/0x3b0 # [ 53.457961] ksys_write+0x68/0xf0 # [ 53.461662] do_syscall_64+0x30/0x40 # [ 53.465677] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 53.471320] RIP: 0033:0x7fa857369833 # [ 53.475312] 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 # [ 53.502504] RSP: 002b:00007ffe6a03cc38 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 53.510962] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fa857369833 # [ 53.518933] RDX: 0000000000000020 RSI: 00007fa85725c000 RDI: 0000000000000001 # [ 53.533116] RBP: 00007fa85725c000 R08: 00007fa85725b010 R09: 0000000000000000 # [ 53.547301] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 53.555273] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 53.569459] irq event stamp: 0 # [ 53.572892] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 53.586102] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 53.595241] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 53.604376] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 53.611376] ---[ end trace b9cc279d67662ab9 ]--- # [ 53.616532] 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 # [ 53.740786] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED # [ 53.754405] lkdtm: attempting bad refcount_dec_and_test() from saturated # [ 53.768105] ------------[ cut here ]------------ # [ 53.779471] refcount_t: underflow; use-after-free. # [ 53.784851] WARNING: CPU: 1 PID: 2481 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 53.800472] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger cros_ec_sysfs uvcvideo cros_ec_sensorhub videobuf2_vmalloc cros_ec_chardev videobuf2_memops cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 53.852367] CPU: 1 PID: 2481 Comm: cat Tainted: G D W 5.10.173-cip27 #1 # [ 53.867208] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 53.880231] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 53.892280] Code: 01 01 e8 b6 a0 98 00 0f 0b c3 cc cc cc cc 80 3d dc 0a 94 01 00 75 85 48 c7 c7 40 90 66 9f c6 05 cc 0a 94 01 01 e8 93 a0 98 00 <0f> 0b c3 cc cc cc cc 80 3d b7 0a 94 01 00 0f 85 5e ff ff ff 48 c7 # [ 53.919478] RSP: 0018:ffff9b2f42ff7e40 EFLAGS: 00010286 # [ 53.931530] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000 # [ 53.939503] RDX: ffff8ae6facac660 RSI: ffff8ae6fac9bf70 RDI: ffff8ae6fac9bf70 # [ 53.953684] RBP: ffffffff9f6cec60 R08: 0000000000000000 R09: 0000000000000000 # [ 53.967873] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 53.982062] R13: ffff9b2f42ff7f10 R14: ffff9b2f42ff7f10 R15: ffff8ae682a91000 # [ 53.996253] FS: 00007fccc84f7580(0000) GS:ffff8ae6fac80000(0000) knlGS:0000000000000000 # [ 54.011512] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 54.024148] CR2: 00007fccc8300000 CR3: 0000000105f8e002 CR4: 00000000003706e0 # [ 54.038338] Call Trace: # [ 54.047288] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 54.059632] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x76 # [ 54.072173] direct_entry.cold+0x2c/0x38 # [ 54.082770] full_proxy_write+0x53/0x80 # [ 54.093267] vfs_write+0xe7/0x3b0 # [ 54.103182] ksys_write+0x68/0xf0 # [ 54.113097] do_syscall_64+0x30/0x40 # [ 54.123306] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 54.135162] RIP: 0033:0x7fccc840d833 # [ 54.145369] 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 # [ 54.172570] RSP: 002b:00007ffc34bc8538 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 54.187244] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fccc840d833 # [ 54.195220] RDX: 0000000000000020 RSI: 00007fccc8300000 RDI: 0000000000000001 # [ 54.209401] RBP: 00007fccc8300000 R08: 00007fccc82ff010 R09: 0000000000000000 # [ 54.223589] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 54.231564] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 54.245751] irq event stamp: 0 # [ 54.255371] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 54.268591] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 54.283944] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 54.293084] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 54.306295] ---[ end trace b9cc279d67662aba ]--- # [ 54.317667] 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 # [ 54.462409] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED # [ 54.474185] lkdtm: attempting bad refcount_sub_and_test() from saturated # [ 54.487892] ------------[ cut here ]------------ # [ 54.499268] refcount_t: underflow; use-after-free. # [ 54.510834] WARNING: CPU: 0 PID: 2516 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 54.526521] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger cros_ec_sysfs uvcvideo cros_ec_sensorhub videobuf2_vmalloc cros_ec_chardev videobuf2_memops cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 54.578345] CPU: 0 PID: 2516 Comm: cat Tainted: G D W 5.10.173-cip27 #1 # [ 54.593280] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 54.606249] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 54.618343] Code: 01 01 e8 b6 a0 98 00 0f 0b c3 cc cc cc cc 80 3d dc 0a 94 01 00 75 85 48 c7 c7 40 90 66 9f c6 05 cc 0a 94 01 01 e8 93 a0 98 00 <0f> 0b c3 cc cc cc cc 80 3d b7 0a 94 01 00 0f 85 5e ff ff ff 48 c7 # [ 54.645504] RSP: 0018:ffff9b2f4306fe40 EFLAGS: 00010286 # [ 54.657592] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000 # [ 54.671755] RDX: ffff8ae6fac2c660 RSI: ffff8ae6fac1bf70 RDI: ffff8ae6fac1bf70 # [ 54.685968] RBP: ffffffff9f6cec80 R08: 0000000000000000 R09: 0000000000000000 # [ 54.700139] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 54.714354] R13: ffff9b2f4306ff10 R14: ffff9b2f4306ff10 R15: ffff8ae68359f000 # [ 54.728529] FS: 00007f7c9fea2580(0000) GS:ffff8ae6fac00000(0000) knlGS:0000000000000000 # [ 54.743811] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 54.756424] CR2: 00007f7c9fcab000 CR3: 0000000105702002 CR4: 00000000003706f0 # [ 54.770642] Call Trace: # [ 54.779567] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 54.791947] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x76 # [ 54.804449] direct_entry.cold+0x2c/0x38 # [ 54.815056] full_proxy_write+0x53/0x80 # [ 54.825547] vfs_write+0xe7/0x3b0 # [ 54.835464] ksys_write+0x68/0xf0 # [ 54.845381] do_syscall_64+0x30/0x40 # [ 54.855604] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 54.867451] RIP: 0033:0x7f7c9fdb8833 # [ 54.877679] 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 # [ 54.904858] RSP: 002b:00007ffc75ac4918 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 54.919579] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f7c9fdb8833 # [ 54.933724] RDX: 0000000000000020 RSI: 00007f7c9fcab000 RDI: 0000000000000001 # [ 54.947935] RBP: 00007f7c9fcab000 R08: 00007f7c9fcaa010 R09: 0000000000000000 # [ 54.962109] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 54.976324] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 54.990495] irq event stamp: 0 # [ 55.000154] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 55.013357] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 55.028695] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 55.044042] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 55.057244] ---[ end trace b9cc279d67662abb ]--- # [ 55.062432] 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 # [ 55.248056] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO # [ 55.255329] lkdtm: attempting good copy_to_user of correct size # [ 55.268191] 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 # [ 55.400951] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM # [ 55.412399] lkdtm: attempting good copy_from_user of correct size # [ 55.425444] 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 # [ 55.601282] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO # [ 55.613546] lkdtm: attempting good copy_to_user inside whitelist # [ 55.620274] 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 # [ 55.747230] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM # [ 55.758765] lkdtm: attempting good copy_from_user inside whitelist # [ 55.771912] 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 # [ 55.902409] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO # [ 55.910151] lkdtm: good_stack: ffff9b2f433ffe20-ffff9b2f433ffe40 # [ 55.923078] lkdtm: bad_stack : ffff9b2f433ffda8-ffff9b2f433ffdc8 # [ 55.936084] lkdtm: attempting good copy_to_user of local stack # [ 55.948848] 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 # [ 56.081914] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM # [ 56.093182] lkdtm: good_stack: ffff9b2f434bfe20-ffff9b2f434bfe40 # [ 56.106123] lkdtm: bad_stack : ffff9b2f434bfda8-ffff9b2f434bfdc8 # [ 56.119056] lkdtm: attempting good copy_from_user of local stack # [ 56.131991] 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 # [ 56.260341] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND # [ 56.269805] lkdtm: good_stack: ffff9b2f43537e20-ffff9b2f43537e40 # [ 56.282739] lkdtm: bad_stack : ffff9b2f43537ff8-ffff9b2f43538018 # [ 56.295740] lkdtm: attempting good copy_to_user of local stack # [ 56.308506] lkdtm: attempting bad copy_to_user of distant stack # [ 56.321347] 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 # [ 56.453315] lkdtm: Performing direct entry USERCOPY_KERNEL # [ 56.463701] lkdtm: attempting good copy_to_user from kernel rodata: ffffffff9f2d5f10 # [ 56.472410] lkdtm: attempting bad copy_to_user from kernel text: ffffffff9dee4290 # [ 56.480779] 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 # [ 56.614221] lkdtm: Performing direct entry STACKLEAK_ERASING # [ 56.623295] lkdtm: checking unused part of the thread stack (15928 bytes)... # [ 56.631185] lkdtm: FAIL: the erased part is not found (checked 15928 bytes) # [ 56.638974] lkdtm: FAIL: the thread stack is NOT properly erased # [ 56.651898] CPU: 2 PID: 2881 Comm: cat Tainted: G D W 5.10.173-cip27 #1 # [ 56.660545] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 56.667347] Call Trace: # [ 56.670077] dump_stack+0x77/0x9b # [ 56.673774] lkdtm_STACKLEAK_ERASING+0x116/0x144 # [ 56.678928] direct_entry.cold+0x2c/0x38 # [ 56.683298] full_proxy_write+0x53/0x80 # [ 56.687579] vfs_write+0xe7/0x3b0 # [ 56.691276] ksys_write+0x68/0xf0 # [ 56.694974] do_syscall_64+0x30/0x40 # [ 56.698963] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 56.704602] RIP: 0033:0x7fc68d927833 # [ 56.708582] 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 # [ 56.729562] RSP: 002b:00007ffd4f18d078 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 56.738015] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fc68d927833 # [ 56.745983] RDX: 0000000000000012 RSI: 00007fc68d81a000 RDI: 0000000000000001 # [ 56.753951] RBP: 00007fc68d81a000 R08: 00007fc68d819010 R09: 0000000000000000 # [ 56.761920] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 56.769888] 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 # [ 56.898750] lkdtm: Performing direct entry CFI_FORWARD_PROTO # [ 56.908549] lkdtm: Calling matched prototype ... # [ 56.919928] lkdtm: Calling mismatched prototype ... # [ 56.931580] 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 / #