[Enter `^Ec?' for help] coreboot-v1.9308_26_0.0.22-2597-gfa32d89ed3 Tue Sep 29 21:34:05 UTC 2020 bootblock starting... LPC: Trying to open IO window from 800 size 1ff LPC: Opened IO window LGIR0: base 800 size 100 LPC: Opened IO window LGIR1: base 900 size 100 VBOOT: Loading verstage. FMAP: Found "FLASH" version 1.1 at 204000. FMAP: base = 0 size = 1000000 #areas = 35 FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'fallback/verstage' CBFS: Found @ offset ba4c0 size fab4 coreboot-v1.9308_26_0.0.22-2597-gfa32d89ed3 Tue Sep 29 21:34:05 UTC 2020 verstage starting... LPSS I2C bus 2 at 0xfe022000 (400 KHz) TPM ready after 4 ms cr50 TPM 2.0 (i2c 2:0x50 id 0x28) setup_tpm():514: TPM: SetupTPM() succeeded src/lib/tpm2_tlcl.c:208 index 0x1007 return code 0 Phase 1 FMAP: Found "FLASH" version 1.1 at 204000. FMAP: base = 0 size = 1000000 #areas = 35 FMAP: area GBB found @ 380000 (262144 bytes) VB2:vb2_check_recovery() Recovery reason from previous boot: 0x0 / 0x0 Phase 2 Phase 3 FMAP: area GBB found @ 380000 (262144 bytes) VB2:vb2_report_dev_firmware() This is developer signed firmware FMAP: area VBLOCK_A found @ 430000 (65536 bytes) FMAP: area VBLOCK_A found @ 430000 (65536 bytes) VB2:vb2_verify_keyblock() Checking key block signature... FMAP: area VBLOCK_A found @ 430000 (65536 bytes) FMAP: area VBLOCK_A found @ 430000 (65536 bytes) VB2:vb2_verify_fw_preamble() Verifying preamble. Phase 4 FMAP: area FW_MAIN_A found @ 440000 (4652992 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) hard_reset() called! CSE is not yet ready, waiting CSE timed out. Resetting coreboot-v1.9308_26_0.0.22-2597-gfa32d89ed3 Tue Sep 29 21:34:05 UTC 2020 bootblock starting... LPC: Trying to open IO window from 800 size 1ff LPC: Opened IO window LGIR0: base 800 size 100 LPC: Opened IO window LGIR1: base 900 size 100 VBOOT: Loading verstage. FMAP: Found "FLASH" version 1.1 at 204000. FMAP: base = 0 size = 1000000 #areas = 35 FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'fallback/verstage' CBFS: Found @ offset ba4c0 size fab4 coreboot-v1.9308_26_0.0.22-2597-gfa32d89ed3 Tue Sep 29 21:34:05 UTC 2020 verstage starting... LPSS I2C bus 2 at 0xfe022000 (400 KHz) TPM ready after 4 ms cr50 TPM 2.0 (i2c 2:0x50 id 0x28) setup_tpm():514: TPM: SetupTPM() succeeded src/lib/tpm2_tlcl.c:208 index 0x1007 return code 0 Phase 1 FMAP: Found "FLASH" version 1.1 at 204000. FMAP: base = 0 size = 1000000 #areas = 35 FMAP: area GBB found @ 380000 (262144 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 FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'fallback/romstage' CBFS: Found @ offset 80 size 11c5c coreboot-v1.9308_26_0.0.22-2597-gfa32d89ed3 Tue Sep 29 21:34:05 UTC 2020 romstage starting... pm1_sts: 0000 pm1_en: 0000 pm1_cnt: 00001c00 gpe0_sts[0]: 00000000 gpe0_en[0]: 00008000 gpe0_sts[1]: 00000000 gpe0_en[1]: 00000000 gpe0_sts[2]: 00000000 gpe0_en[2]: 00000000 gpe0_sts[3]: 00000000 gpe0_en[3]: 00000000 prsts: 00000000 tco_sts: 00000000 gen_pmcon1: 04004000 gen_pmcon2: 00003a00 gen_pmcon3: 00000000 prev_sleep_state 0 Boot Count incremented to 66962 FMAP: Found "FLASH" version 1.1 at 204000. FMAP: base = 0 size = 1000000 #areas = 35 FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'fspm.bin' CBFS: Found @ offset 2efc0 size 59000 FMAP: area RECOVERY_MRC_CACHE found @ 400000 (65536 bytes) Locality already claimed cr50 TPM 2.0 (i2c 2:0x50 id 0x28) src/lib/tpm2_tlcl.c:208 index 0x100b return code 0 MRC: Hash comparison successful. Using data from RECOVERY_MRC_CACHE MRC cache found, size b2c0 bootmode:2 LPDDR4 SKU id = 0x1 LP4DDR speed is 2400MHz LPDDR4 Ch0 density = 2 LPDDR4 Ch1 density = 2 FMAP: area RW_VAR_MRC_CACHE found @ 420000 (4096 bytes) CBMEM: IMD: root @ 7afff000 254 entries. IMD: root @ 7affec00 62 entries. External stage cache: IMD: root @ 7b7ff000 254 entries. IMD: root @ 7b7fec00 62 entries. creating vboot_handoff structure Chrome EC: clear events_b mask to 0x21004000 src/lib/tpm2_tlcl.c:208 index 0x100b return code 0 tlcl_write: response is 0 src/lib/tpm2_tlcl.c:208 index 0x100b return code 0 MRC: TPM MRC hash updated successfully. CPU: frequency set to 2500 MHz 4 DIMMs found MTRR Range: Start=7a000000 End=7b000000 (Size 1000000) MTRR Range: Start=ff000000 End=0 (Size 1000000) MTRR Range: Start=7b000000 End=7b800000 (Size 800000) FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'fallback/postcar' CBFS: Found @ offset b3000 size 45b8 Decompressing stage fallback/postcar @ 0x7abc5fc0 (34440 bytes) Loading module at 7abc6000 with entry 7abc6000. filesize: 0x4350 memsize: 0x8648 Processing 131 relocs. Offset value of 0x78bc6000 coreboot-v1.9308_26_0.0.22-2597-gfa32d89ed3 Tue Sep 29 21:34:05 UTC 2020 postcar starting... FMAP: Found "FLASH" version 1.1 at 204000. FMAP: base = 0 size = 1000000 #areas = 35 FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'fallback/ramstage' CBFS: Found @ offset 15dc0 size 17c31 Decompressing stage fallback/ramstage @ 0x7ab77fc0 (314352 bytes) Loading module at 7ab78000 with entry 7ab78000. filesize: 0x34618 memsize: 0x4cbb0 Processing 2993 relocs. Offset value of 0x7aa78000 coreboot-v1.9308_26_0.0.22-2597-gfa32d89ed3 Tue Sep 29 21:34:05 UTC 2020 ramstage starting... FMAP: Found "FLASH" version 1.1 at 204000. FMAP: base = 0 size = 1000000 #areas = 35 FMAP: area RO_VPD found @ 200000 (16384 bytes) WARNING: RO_VPD is uninitialized or empty. FMAP: area RW_VPD found @ 428000 (8192 bytes) FMAP: area RW_VPD found @ 428000 (8192 bytes) Normal boot. BS: BS_PRE_DEVICE times (us): entry 2 run 32 exit 0 Board ID: 5 mainboard: EC init Chrome EC: Set WAKE mask to 0x00000000 FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'fsps.bin' CBFS: Found @ offset 88fc0 size 2a000 FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'vbt-babytiger.bin' CBFS: Found @ offset 155800 size 528 Found a VBT of 6656 bytes after decompression ITSS IRQ Polarities Before: IPC0: 0xffffeef8 IPC1: 0xffffffff IPC2: 0xffffffff IPC3: 0x00ffffff ITSS IRQ Polarities After: IPC0: 0xffffeef8 IPC1: 0x4a07ffff IPC2: 0x08000000 IPC3: 0x00a11000 RAPL PL1 12.0W RAPL PL2 15.0W BS: BS_DEV_INIT_CHIPS times (us): entry 0 run 269143 exit 0 Enumerating buses... Show all devs... Before device enumeration. Root Device: enabled 1 CPU_CLUSTER: 0: enabled 1 APIC: 00: enabled 1 DOMAIN: 0000: enabled 1 PCI: 00:00.0: enabled 1 PCI: 00:00.1: enabled 1 PCI: 00:00.2: enabled 1 PCI: 00:02.0: enabled 1 PCI: 00:03.0: enabled 1 PCI: 00:0d.0: enabled 1 PCI: 00:0d.1: enabled 1 PCI: 00:0d.2: enabled 1 PCI: 00:0d.3: enabled 1 PCI: 00:0e.0: enabled 1 GENERIC: 0.0: enabled 1 PCI: 00:11.0: enabled 0 PCI: 00:12.0: enabled 0 PCI: 00:13.0: enabled 0 PCI: 00:13.1: enabled 0 PCI: 00:13.2: enabled 0 PCI: 00:13.3: enabled 0 PCI: 00:14.0: enabled 1 PCI: 00:00.0: enabled 1 PCI: 00:14.1: enabled 0 PCI: 00:15.0: enabled 1 PCI: 00:15.1: enabled 0 PCI: 00:16.0: enabled 1 I2C: 00:1a: enabled 1 PCI: 00:16.1: enabled 1 PCI: 00:16.2: enabled 1 I2C: 00:50: enabled 1 PCI: 00:16.3: enabled 1 I2C: 00:10: enabled 1 I2C: 00:39: enabled 1 PCI: 00:17.0: enabled 1 I2C: 00:15: enabled 1 I2C: 00:2c: enabled 1 PCI: 00:17.1: enabled 1 I2C: 00:09: enabled 1 PCI: 00:17.2: enabled 0 PCI: 00:17.3: enabled 0 PCI: 00:18.0: enabled 1 PCI: 00:18.1: enabled 1 PCI: 00:18.2: enabled 1 PCI: 00:18.3: enabled 0 PCI: 00:19.0: enabled 1 PCI: 00:19.1: enabled 0 PCI: 00:19.2: enabled 0 PCI: 00:1a.0: enabled 1 PCI: 00:1b.0: enabled 1 PCI: 00:1c.0: enabled 1 PCI: 00:1e.0: enabled 0 PCI: 00:1f.0: enabled 1 PNP: 0c09.0: enabled 1 PCI: 00:1f.1: enabled 1 Compare with tree... Root Device: enabled 1 CPU_CLUSTER: 0: enabled 1 APIC: 00: enabled 1 DOMAIN: 0000: enabled 1 PCI: 00:00.0: enabled 1 PCI: 00:00.1: enabled 1 PCI: 00:00.2: enabled 1 PCI: 00:02.0: enabled 1 PCI: 00:03.0: enabled 1 PCI: 00:0d.0: enabled 1 PCI: 00:0d.1: enabled 1 PCI: 00:0d.2: enabled 1 PCI: 00:0d.3: enabled 1 PCI: 00:0e.0: enabled 1 GENERIC: 0.0: enabled 1 PCI: 00:11.0: enabled 0 PCI: 00:12.0: enabled 0 PCI: 00:13.0: enabled 0 PCI: 00:13.1: enabled 0 PCI: 00:13.2: enabled 0 PCI: 00:13.3: enabled 0 PCI: 00:14.0: enabled 1 PCI: 00:00.0: enabled 1 PCI: 00:14.1: enabled 0 PCI: 00:15.0: enabled 1 PCI: 00:15.1: enabled 0 PCI: 00:16.0: enabled 1 I2C: 00:1a: enabled 1 PCI: 00:16.1: enabled 1 PCI: 00:16.2: enabled 1 I2C: 00:50: enabled 1 PCI: 00:16.3: enabled 1 I2C: 00:10: enabled 1 I2C: 00:39: enabled 1 PCI: 00:17.0: enabled 1 I2C: 00:15: enabled 1 I2C: 00:2c: enabled 1 PCI: 00:17.1: enabled 1 I2C: 00:09: enabled 1 PCI: 00:17.2: enabled 0 PCI: 00:17.3: enabled 0 PCI: 00:18.0: enabled 1 PCI: 00:18.1: enabled 1 PCI: 00:18.2: enabled 1 PCI: 00:18.3: enabled 0 PCI: 00:19.0: enabled 1 PCI: 00:19.1: enabled 0 PCI: 00:19.2: enabled 0 PCI: 00:1a.0: enabled 1 PCI: 00:1b.0: enabled 1 PCI: 00:1c.0: enabled 1 PCI: 00:1e.0: enabled 0 PCI: 00:1f.0: enabled 1 PNP: 0c09.0: enabled 1 PCI: 00:1f.1: enabled 1 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 [8086/5af0] enabled PCI: 00:00.1 [8086/5a8c] enabled PCI: 00:00.2 [8086/5a8e] enabled PCI: 00:02.0 [8086/0000] ops PCI: 00:02.0 [8086/5a84] enabled PCI: 00:03.0 [8086/5a88] enabled PCI: 00:0d.0 [8086/0000] ops PCI: 00:0d.0 [8086/5a92] enabled PCI: 00:0d.1 [8086/0000] ops PCI: 00:0d.1 [8086/5a94] enabled PCI: 00:0d.2 [8086/5a96] enabled PCI: 00:0d.3 [8086/0000] ops PCI: 00:0d.3 [8086/5aec] enabled PCI: 00:0e.0 [8086/0000] bus ops PCI: 00:0e.0 [8086/5a98] enabled PCI: 00:0f.0 [8086/0000] ops PCI: 00:0f.0 [8086/5a9a] enabled PCI: 00:0f.1 [8086/5a9c] enabled PCI: 00:0f.2 [8086/5a9e] enabled Capability: type 0x10 @ 0x40 Capability: type 0x05 @ 0x80 Capability: type 0x0d @ 0x90 Capability: type 0x01 @ 0xa0 Capability: type 0x10 @ 0x40 PCI: 00:14.0 subordinate bus PCI Express PCI: 00:14.0 [8086/5ad6] enabled PCI: 00:15.0 [8086/0000] ops PCI: 00:15.0 [8086/5aa8] enabled PCI: 00:16.0 [8086/0000] bus ops PCI: 00:16.0 [8086/5aac] enabled PCI: 00:16.1 [8086/0000] bus ops PCI: 00:16.1 [8086/5aae] enabled PCI: 00:16.2 [8086/0000] bus ops PCI: 00:16.2 [8086/5ab0] enabled PCI: 00:16.3 [8086/0000] bus ops PCI: 00:16.3 [8086/5ab2] enabled PCI: 00:17.0 [8086/0000] bus ops PCI: 00:17.0 [8086/5ab4] enabled PCI: 00:17.1 [8086/0000] bus ops PCI: 00:17.1 [8086/5ab6] enabled PCI: 00:18.0 [8086/0000] ops PCI: 00:18.0 [8086/5abc] enabled PCI: 00:18.1 [8086/0000] ops PCI: 00:18.1 [8086/5abe] enabled PCI: 00:18.2 [8086/0000] ops PCI: 00:18.2 [8086/5ac0] enabled PCI: 00:19.0 [8086/5ac2] enabled PCI: Static device PCI: 00:1a.0 not found, disabling it. PCI: 00:1b.0 [8086/0000] ops PCI: 00:1b.0 [8086/5aca] enabled PCI: 00:1c.0 [8086/5acc] enabled PCI: 00:1f.0 [8086/0000] bus ops PCI: 00:1f.0 [8086/5ae8] enabled PCI: 00:1f.1 [8086/5ad4] enabled PCI: 00:0e.0 scanning... GENERIC: 0.0 enabled scan_bus: scanning of bus PCI: 00:0e.0 took 4843 usecs PCI: 00:14.0 scanning... do_pci_scan_bridge for PCI: 00:14.0 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 20 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: 00:14.0 took 52802 usecs PCI: 00:16.0 scanning... scan_generic_bus for PCI: 00:16.0 bus: PCI: 00:16.0[0]->I2C: 01:1a enabled scan_generic_bus for PCI: 00:16.0 done scan_bus: scanning of bus PCI: 00:16.0 took 14064 usecs PCI: 00:16.1 scanning... scan_generic_bus for PCI: 00:16.1 scan_generic_bus for PCI: 00:16.1 done scan_bus: scanning of bus PCI: 00:16.1 took 9985 usecs PCI: 00:16.2 scanning... scan_generic_bus for PCI: 00:16.2 bus: PCI: 00:16.2[0]->I2C: 02:50 enabled scan_generic_bus for PCI: 00:16.2 done scan_bus: scanning of bus PCI: 00:16.2 took 14067 usecs PCI: 00:16.3 scanning... scan_generic_bus for PCI: 00:16.3 bus: PCI: 00:16.3[0]->I2C: 03:10 enabled bus: PCI: 00:16.3[0]->I2C: 03:39 enabled scan_generic_bus for PCI: 00:16.3 done scan_bus: scanning of bus PCI: 00:16.3 took 18140 usecs PCI: 00:17.0 scanning... scan_generic_bus for PCI: 00:17.0 bus: PCI: 00:17.0[0]->I2C: 04:15 enabled bus: PCI: 00:17.0[0]->I2C: 04:2c enabled scan_generic_bus for PCI: 00:17.0 done scan_bus: scanning of bus PCI: 00:17.0 took 18141 usecs PCI: 00:17.1 scanning... scan_generic_bus for PCI: 00:17.1 bus: PCI: 00:17.1[0]->I2C: 05:09 enabled scan_generic_bus for PCI: 00:17.1 done scan_bus: scanning of bus PCI: 00:17.1 took 14072 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 11243 usecs scan_bus: scanning of bus DOMAIN: 0000 took 391420 usecs root_dev_scan_bus for Root Device done scan_bus: scanning of bus Root Device took 411637 usecs done FMAP: area RECOVERY_MRC_CACHE found @ 400000 (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 RW_VAR_MRC_CACHE found @ 420000 (4096 bytes) MRC: Checking cached data update for 'RW_VAR_MRC_CACHE'. MRC: cache data 'RW_VAR_MRC_CACHE' needs update. FMAP: area RW_ELOG found @ 421000 (12288 bytes) ELOG: NV offset 0x421000 size 0x3000 ELOG: area is 4096 bytes, full threshold 3842, shrink size 1024 ELOG: Event(17) added with size 13 at 2022-12-08 16:16:16 UTC POST: Unexpected post code in previous boot: 0x98 ELOG: Event(A3) added with size 11 at 2022-12-08 16:16:16 UTC ELOG: Event(A6) added with size 13 at 2022-12-08 16:16:16 UTC ELOG: Event(AA) added with size 11 at 2022-12-08 16:16:16 UTC FMAP: area UNIFIED_MRC_CACHE found @ 400000 (135168 bytes) SPI flash protection: WPSW=1 SRP0=1 spi_flash_protect: FPR 0 is enabled for range 0x00400000-0x00420fff MRC: Enabled Protected Range on 'UNIFIED_MRC_CACHE'. BS: BS_DEV_ENUMERATE times (us): entry 0 run 701188 exit 109695 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: 00:0e.0 read_resources bus 0 link: 0 PCI: 00:0e.0 read_resources bus 0 link: 0 done PCI: 00:14.0 read_resources bus 1 link: 0 PCI: 00:14.0 read_resources bus 1 link: 0 done PCI: 00:16.0 read_resources bus 1 link: 0 PCI: 00:16.0 read_resources bus 1 link: 0 done PCI: 00:16.2 read_resources bus 2 link: 0 PCI: 00:16.2 read_resources bus 2 link: 0 done PCI: 00:16.3 read_resources bus 3 link: 0 PCI: 00:16.3 read_resources bus 3 link: 0 done PCI: 00:17.0 read_resources bus 4 link: 0 PCI: 00:17.0 read_resources bus 4 link: 0 done PCI: 00:17.1 read_resources bus 5 link: 0 PCI: 00:17.1 read_resources bus 5 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 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 10000000 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 0 size a0000 align 0 gran 0 limit 0 flags e0004200 index 2 PCI: 00:00.0 resource base c0000 size 7af40000 align 0 gran 0 limit 0 flags e0004200 index 3 PCI: 00:00.0 resource base 7b000000 size 800000 align 0 gran 0 limit 0 flags f0004200 index 5 PCI: 00:00.0 resource base 7b800000 size 4800000 align 0 gran 0 limit 0 flags f0000200 index 6 PCI: 00:00.0 resource base 100000000 size 80000000 align 0 gran 0 limit 0 flags e0004200 index 7 PCI: 00:00.0 resource base a0000 size 20000 align 0 gran 0 limit 0 flags f0000200 index 8 PCI: 00:00.0 resource base c0000 size 40000 align 0 gran 0 limit 0 flags f0004200 index 9 PCI: 00:00.0 resource base 11800000 size 400000 align 0 gran 0 limit 0 flags f0004200 index a PCI: 00:00.0 resource base 11000000 size 800000 align 0 gran 0 limit 0 flags f0004200 index b PCI: 00:00.0 resource base 12000000 size 100000 align 0 gran 0 limit 0 flags f0004200 index c PCI: 00:00.0 resource base 12150000 size 1000 align 0 gran 0 limit 0 flags f0004200 index d PCI: 00:00.0 resource base 12140000 size 10000 align 0 gran 0 limit 0 flags f0004200 index e PCI: 00:00.0 resource base 10000000 size 1000000 align 0 gran 0 limit 0 flags f0004200 index f PCI: 00:00.0 resource base 11c00000 size 400000 align 0 gran 0 limit 0 flags f0004200 index 10 PCI: 00:00.0 resource base 12100000 size 40000 align 0 gran 0 limit 0 flags f0004200 index 11 PCI: 00:00.1 PCI: 00:00.1 resource base 0 size 8000 align 15 gran 15 limit ffffffffffffffff flags 201 index 10 PCI: 00:00.2 PCI: 00:00.2 resource base 0 size 100000 align 20 gran 20 limit ffffffffffffffff flags 201 index 10 PCI: 00:00.2 resource base 0 size 800000 align 23 gran 23 limit ffffffffffffffff flags 201 index 18 PCI: 00:00.2 resource base 0 size 200 align 12 gran 9 limit ffffffffffffffff flags 201 index 20 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: 00:03.0 PCI: 00:03.0 resource base 0 size 1000000 align 24 gran 24 limit 7fffffffff flags 201 index 10 PCI: 00:0d.0 PCI: 00:0d.0 resource base d0000000 size 1000000 align 0 gran 0 limit 0 flags f0000200 index 10 PCI: 00:0d.1 PCI: 00:0d.1 resource base fe042000 size 2000 align 0 gran 0 limit 0 flags c0000200 index 10 PCI: 00:0d.1 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 18 PCI: 00:0d.1 resource base 400 size 100 align 0 gran 0 limit 0 flags c0000100 index 20 PCI: 00:0d.2 PCI: 00:0d.2 resource base 0 size 1000 align 12 gran 12 limit ffffffff flags 200 index 10 PCI: 00:0d.3 PCI: 00:0d.3 resource base fe900000 size 2000 align 0 gran 0 limit 0 flags c0000200 index 10 PCI: 00:0d.3 resource base fe902000 size 1000 align 0 gran 0 limit 0 flags c0000200 index 18 PCI: 00:0e.0 child on link 0 GENERIC: 0.0 PCI: 00:0e.0 resource base 0 size 4000 align 14 gran 14 limit ffffffffffffffff flags 201 index 10 PCI: 00:0e.0 resource base 0 size 100000 align 20 gran 20 limit ffffffffffffffff flags 201 index 20 GENERIC: 0.0 PCI: 00:0f.0 PCI: 00:0f.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:0f.1 PCI: 00:0f.1 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:0f.2 PCI: 00:0f.2 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:11.0 PCI: 00:12.0 PCI: 00:13.0 PCI: 00:13.1 PCI: 00:13.2 PCI: 00:13.3 PCI: 00:14.0 child on link 0 PCI: 01:00.0 PCI: 00:14.0 resource base 0 size 0 align 12 gran 12 limit ffff flags 80102 index 1c PCI: 00:14.0 resource base 0 size 0 align 20 gran 20 limit ffffffffffffffff flags 81202 index 24 PCI: 00:14.0 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: 00:14.1 PCI: 00:15.0 PCI: 00:15.0 resource base 0 size 10000 align 16 gran 16 limit ffffffffffffffff flags 201 index 10 PCI: 00:15.1 PCI: 00:16.0 child on link 0 I2C: 01:1a PCI: 00:16.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:16.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 18 I2C: 01:1a PCI: 00:16.1 PCI: 00:16.1 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:16.1 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 18 PCI: 00:16.2 child on link 0 I2C: 02:50 PCI: 00:16.2 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:16.2 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 18 I2C: 02:50 PCI: 00:16.3 child on link 0 I2C: 03:10 PCI: 00:16.3 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:16.3 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 18 I2C: 03:10 I2C: 03:39 PCI: 00:17.0 child on link 0 I2C: 04:15 PCI: 00:17.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:17.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 18 I2C: 04:15 I2C: 04:2c PCI: 00:17.1 child on link 0 I2C: 05:09 PCI: 00:17.1 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:17.1 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 18 I2C: 05:09 PCI: 00:17.2 PCI: 00:17.3 PCI: 00:18.0 PCI: 00:18.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:18.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 18 PCI: 00:18.1 PCI: 00:18.1 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:18.1 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 18 PCI: 00:18.2 PCI: 00:18.2 resource base de000000 size 1000 align 0 gran 0 limit 0 flags e0000200 index 10 PCI: 00:18.2 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 18 PCI: 00:18.3 PCI: 00:19.0 PCI: 00:19.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 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 PCI: 00:19.2 PCI: 00:1a.0 PCI: 00:1b.0 PCI: 00:1b.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:1b.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 18 PCI: 00:1c.0 PCI: 00:1c.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:1c.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 18 PCI: 00:1e.0 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.1 resource base 0 size 100 align 12 gran 8 limit ffffffffffffffff flags 201 index 10 PCI: 00:1f.1 resource base 0 size 20 align 5 gran 5 limit ffff flags 100 index 20 DOMAIN: 0000 io: base: 0 size: 0 align: 0 gran: 0 limit: ffff PCI: 00:14.0 io: base: 0 size: 0 align: 12 gran: 12 limit: ffff PCI: 00:14.0 io: base: 0 size: 0 align: 12 gran: 12 limit: ffff done PCI: 00:02.0 20 * [0x0 - 0x3f] io PCI: 00:1f.1 20 * [0x40 - 0x5f] io DOMAIN: 0000 io: base: 60 size: 60 align: 6 gran: 0 limit: ffff done DOMAIN: 0000 mem: base: 0 size: 0 align: 0 gran: 0 limit: ffffffff PCI: 00:14.0 prefmem: base: 0 size: 0 align: 20 gran: 20 limit: ffffffffffffffff PCI: 00:14.0 prefmem: base: 0 size: 0 align: 20 gran: 20 limit: ffffffffffffffff done PCI: 00:14.0 mem: base: 0 size: 0 align: 20 gran: 20 limit: ffffffff PCI: 01:00.0 10 * [0x0 - 0x1fff] mem PCI: 00:14.0 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: 00:03.0 10 * [0x11000000 - 0x11ffffff] mem PCI: 00:00.2 18 * [0x12000000 - 0x127fffff] mem PCI: 00:00.2 10 * [0x12800000 - 0x128fffff] mem PCI: 00:0e.0 20 * [0x12900000 - 0x129fffff] mem PCI: 00:14.0 20 * [0x12a00000 - 0x12afffff] mem PCI: 00:15.0 10 * [0x12b00000 - 0x12b0ffff] mem PCI: 00:00.1 10 * [0x12b10000 - 0x12b17fff] mem PCI: 00:0e.0 10 * [0x12b18000 - 0x12b1bfff] mem PCI: 00:0d.1 18 * [0x12b1c000 - 0x12b1cfff] mem PCI: 00:0d.2 10 * [0x12b1d000 - 0x12b1dfff] mem PCI: 00:0f.0 10 * [0x12b1e000 - 0x12b1efff] mem PCI: 00:0f.1 10 * [0x12b1f000 - 0x12b1ffff] mem PCI: 00:0f.2 10 * [0x12b20000 - 0x12b20fff] mem PCI: 00:16.0 10 * [0x12b21000 - 0x12b21fff] mem PCI: 00:16.0 18 * [0x12b22000 - 0x12b22fff] mem PCI: 00:16.1 10 * [0x12b23000 - 0x12b23fff] mem PCI: 00:16.1 18 * [0x12b24000 - 0x12b24fff] mem PCI: 00:16.2 10 * [0x12b25000 - 0x12b25fff] mem PCI: 00:16.2 18 * [0x12b26000 - 0x12b26fff] mem PCI: 00:16.3 10 * [0x12b27000 - 0x12b27fff] mem PCI: 00:16.3 18 * [0x12b28000 - 0x12b28fff] mem PCI: 00:17.0 10 * [0x12b29000 - 0x12b29fff] mem PCI: 00:17.0 18 * [0x12b2a000 - 0x12b2afff] mem PCI: 00:17.1 10 * [0x12b2b000 - 0x12b2bfff] mem PCI: 00:17.1 18 * [0x12b2c000 - 0x12b2cfff] mem PCI: 00:18.0 10 * [0x12b2d000 - 0x12b2dfff] mem PCI: 00:18.0 18 * [0x12b2e000 - 0x12b2efff] mem PCI: 00:18.1 10 * [0x12b2f000 - 0x12b2ffff] mem PCI: 00:18.1 18 * [0x12b30000 - 0x12b30fff] mem PCI: 00:18.2 18 * [0x12b31000 - 0x12b31fff] mem PCI: 00:19.0 10 * [0x12b32000 - 0x12b32fff] mem PCI: 00:19.0 18 * [0x12b33000 - 0x12b33fff] mem PCI: 00:1b.0 10 * [0x12b34000 - 0x12b34fff] mem PCI: 00:1b.0 18 * [0x12b35000 - 0x12b35fff] mem PCI: 00:1c.0 10 * [0x12b36000 - 0x12b36fff] mem PCI: 00:1c.0 18 * [0x12b37000 - 0x12b37fff] mem PCI: 00:00.2 20 * [0x12b38000 - 0x12b381ff] mem PCI: 00:1f.1 10 * [0x12b39000 - 0x12b390ff] mem DOMAIN: 0000 mem: base: 12b39100 size: 12b39100 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 efffffff mem (fixed) constrain_resources: PCI: 00:00.0 02 base 00000000 limit 0009ffff mem (fixed) constrain_resources: PCI: 00:00.0 03 base 000c0000 limit 7affffff mem (fixed) constrain_resources: PCI: 00:00.0 05 base 7b000000 limit 7b7fffff mem (fixed) constrain_resources: PCI: 00:00.0 06 base 7b800000 limit 7fffffff mem (fixed) constrain_resources: PCI: 00:0d.0 10 base d0000000 limit d0ffffff mem (fixed) constrain_resources: PCI: 00:0d.1 20 base 00000400 limit 000004ff io (fixed) constrain_resources: PCI: 00:1f.0 00 base 00000000 limit 00000fff io (fixed) avoid_fixed_resources:@DOMAIN: 0000 10000000 base 00001000 limit 0000ffff avoid_fixed_resources:@DOMAIN: 0000 10000100 base b0000000 limit cfffffff Setting resources... DOMAIN: 0000 io: base:1000 size:60 align:6 gran:0 limit:ffff PCI: 00:02.0 20 * [0x1000 - 0x103f] io PCI: 00:1f.1 20 * [0x1040 - 0x105f] io DOMAIN: 0000 io: next_base: 1060 size: 60 align: 6 gran: 0 done PCI: 00:14.0 io: base:ffff size:0 align:12 gran:12 limit:ffff PCI: 00:14.0 io: next_base: ffff size: 0 align: 12 gran: 12 done DOMAIN: 0000 mem: base:b0000000 size:12b39100 align:28 gran:0 limit:cfffffff PCI: 00:02.0 18 * [0xb0000000 - 0xbfffffff] prefmem PCI: 00:02.0 10 * [0xc0000000 - 0xc0ffffff] mem PCI: 00:03.0 10 * [0xc1000000 - 0xc1ffffff] mem PCI: 00:00.2 18 * [0xc2000000 - 0xc27fffff] mem PCI: 00:00.2 10 * [0xc2800000 - 0xc28fffff] mem PCI: 00:0e.0 20 * [0xc2900000 - 0xc29fffff] mem PCI: 00:14.0 20 * [0xc2a00000 - 0xc2afffff] mem PCI: 00:15.0 10 * [0xc2b00000 - 0xc2b0ffff] mem PCI: 00:00.1 10 * [0xc2b10000 - 0xc2b17fff] mem PCI: 00:0e.0 10 * [0xc2b18000 - 0xc2b1bfff] mem PCI: 00:0d.1 18 * [0xc2b1c000 - 0xc2b1cfff] mem PCI: 00:0d.2 10 * [0xc2b1d000 - 0xc2b1dfff] mem PCI: 00:0f.0 10 * [0xc2b1e000 - 0xc2b1efff] mem PCI: 00:0f.1 10 * [0xc2b1f000 - 0xc2b1ffff] mem PCI: 00:0f.2 10 * [0xc2b20000 - 0xc2b20fff] mem PCI: 00:16.0 10 * [0xc2b21000 - 0xc2b21fff] mem PCI: 00:16.0 18 * [0xc2b22000 - 0xc2b22fff] mem PCI: 00:16.1 10 * [0xc2b23000 - 0xc2b23fff] mem PCI: 00:16.1 18 * [0xc2b24000 - 0xc2b24fff] mem PCI: 00:16.2 10 * [0xc2b25000 - 0xc2b25fff] mem PCI: 00:16.2 18 * [0xc2b26000 - 0xc2b26fff] mem PCI: 00:16.3 10 * [0xc2b27000 - 0xc2b27fff] mem PCI: 00:16.3 18 * [0xc2b28000 - 0xc2b28fff] mem PCI: 00:17.0 10 * [0xc2b29000 - 0xc2b29fff] mem PCI: 00:17.0 18 * [0xc2b2a000 - 0xc2b2afff] mem PCI: 00:17.1 10 * [0xc2b2b000 - 0xc2b2bfff] mem PCI: 00:17.1 18 * [0xc2b2c000 - 0xc2b2cfff] mem PCI: 00:18.0 10 * [0xc2b2d000 - 0xc2b2dfff] mem PCI: 00:18.0 18 * [0xc2b2e000 - 0xc2b2efff] mem PCI: 00:18.1 10 * [0xc2b2f000 - 0xc2b2ffff] mem PCI: 00:18.1 18 * [0xc2b30000 - 0xc2b30fff] mem PCI: 00:18.2 18 * [0xc2b31000 - 0xc2b31fff] mem PCI: 00:19.0 10 * [0xc2b32000 - 0xc2b32fff] mem PCI: 00:19.0 18 * [0xc2b33000 - 0xc2b33fff] mem PCI: 00:1b.0 10 * [0xc2b34000 - 0xc2b34fff] mem PCI: 00:1b.0 18 * [0xc2b35000 - 0xc2b35fff] mem PCI: 00:1c.0 10 * [0xc2b36000 - 0xc2b36fff] mem PCI: 00:1c.0 18 * [0xc2b37000 - 0xc2b37fff] mem PCI: 00:00.2 20 * [0xc2b38000 - 0xc2b381ff] mem PCI: 00:1f.1 10 * [0xc2b39000 - 0xc2b390ff] mem DOMAIN: 0000 mem: next_base: c2b39100 size: 12b39100 align: 28 gran: 0 done PCI: 00:14.0 prefmem: base:cfffffff size:0 align:20 gran:20 limit:cfffffff PCI: 00:14.0 prefmem: next_base: cfffffff size: 0 align: 20 gran: 20 done PCI: 00:14.0 mem: base:c2a00000 size:100000 align:20 gran:20 limit:c2afffff PCI: 01:00.0 10 * [0xc2a00000 - 0xc2a01fff] mem PCI: 00:14.0 mem: next_base: c2a02000 size: 100000 align: 20 gran: 20 done Root Device assign_resources, bus 0 link: 0 DOMAIN: 0000 assign_resources, bus 0 link: 0 PCI: 00:00.1 10 <- [0x00c2b10000 - 0x00c2b17fff] size 0x00008000 gran 0x0f mem64 PCI: 00:00.2 10 <- [0x00c2800000 - 0x00c28fffff] size 0x00100000 gran 0x14 mem64 PCI: 00:00.2 18 <- [0x00c2000000 - 0x00c27fffff] size 0x00800000 gran 0x17 mem64 PCI: 00:00.2 20 <- [0x00c2b38000 - 0x00c2b381ff] size 0x00000200 gran 0x09 mem64 PCI: 00:02.0 10 <- [0x00c0000000 - 0x00c0ffffff] size 0x01000000 gran 0x18 mem64 PCI: 00:02.0 18 <- [0x00b0000000 - 0x00bfffffff] size 0x10000000 gran 0x1c prefmem64 PCI: 00:02.0 20 <- [0x0000001000 - 0x000000103f] size 0x00000040 gran 0x06 io PCI: 00:03.0 10 <- [0x00c1000000 - 0x00c1ffffff] size 0x01000000 gran 0x18 mem64 PCI: 00:0d.1 18 <- [0x00c2b1c000 - 0x00c2b1cfff] size 0x00001000 gran 0x0c mem64 PCI: 00:0d.1 10 <- [0x00fe042000 - 0x00fe043fff] size 0x00002000 gran 0x00 mem PMC BAR PCI: 00:0d.1 20 <- [0x0000000400 - 0x00000004ff] size 0x00000100 gran 0x00 io ACPI BAR PCI: 00:0d.2 10 <- [0x00c2b1d000 - 0x00c2b1dfff] size 0x00001000 gran 0x0c mem PCI: 00:0d.3 10 <- [0x00fe900000 - 0x00fe901fff] size 0x00002000 gran 0x00 mem SRAM BAR 0 PCI: 00:0d.3 18 <- [0x00fe902000 - 0x00fe902fff] size 0x00001000 gran 0x00 mem SRAM BAR 2 PCI: 00:0e.0 10 <- [0x00c2b18000 - 0x00c2b1bfff] size 0x00004000 gran 0x0e mem64 PCI: 00:0e.0 20 <- [0x00c2900000 - 0x00c29fffff] size 0x00100000 gran 0x14 mem64 PCI: 00:0e.0 assign_resources, bus 0 link: 0 PCI: 00:0e.0 assign_resources, bus 0 link: 0 PCI: 00:0f.0 10 <- [0x00c2b1e000 - 0x00c2b1efff] size 0x00001000 gran 0x0c mem64 PCI: 00:0f.1 10 <- [0x00c2b1f000 - 0x00c2b1ffff] size 0x00001000 gran 0x0c mem64 PCI: 00:0f.2 10 <- [0x00c2b20000 - 0x00c2b20fff] size 0x00001000 gran 0x0c mem64 PCI: 00:14.0 1c <- [0x000000ffff - 0x000000fffe] size 0x00000000 gran 0x0c bus 01 io PCI: 00:14.0 24 <- [0x00cfffffff - 0x00cffffffe] size 0x00000000 gran 0x14 bus 01 prefmem PCI: 00:14.0 20 <- [0x00c2a00000 - 0x00c2afffff] size 0x00100000 gran 0x14 bus 01 mem PCI: 00:14.0 assign_resources, bus 1 link: 0 PCI: 01:00.0 10 <- [0x00c2a00000 - 0x00c2a01fff] size 0x00002000 gran 0x0d mem64 PCI: 00:14.0 assign_resources, bus 1 link: 0 PCI: 00:15.0 10 <- [0x00c2b00000 - 0x00c2b0ffff] size 0x00010000 gran 0x10 mem64 PCI: 00:16.0 10 <- [0x00c2b21000 - 0x00c2b21fff] size 0x00001000 gran 0x0c mem64 PCI: 00:16.0 18 <- [0x00c2b22000 - 0x00c2b22fff] size 0x00001000 gran 0x0c mem64 PCI: 00:16.0 assign_resources, bus 1 link: 0 PCI: 00:16.0 assign_resources, bus 1 link: 0 PCI: 00:16.1 10 <- [0x00c2b23000 - 0x00c2b23fff] size 0x00001000 gran 0x0c mem64 PCI: 00:16.1 18 <- [0x00c2b24000 - 0x00c2b24fff] size 0x00001000 gran 0x0c mem64 PCI: 00:16.2 10 <- [0x00c2b25000 - 0x00c2b25fff] size 0x00001000 gran 0x0c mem64 PCI: 00:16.2 18 <- [0x00c2b26000 - 0x00c2b26fff] size 0x00001000 gran 0x0c mem64 PCI: 00:16.2 assign_resources, bus 2 link: 0 PCI: 00:16.2 assign_resources, bus 2 link: 0 PCI: 00:16.3 10 <- [0x00c2b27000 - 0x00c2b27fff] size 0x00001000 gran 0x0c mem64 PCI: 00:16.3 18 <- [0x00c2b28000 - 0x00c2b28fff] size 0x00001000 gran 0x0c mem64 PCI: 00:16.3 assign_resources, bus 3 link: 0 PCI: 00:16.3 assign_resources, bus 3 link: 0 PCI: 00:17.0 10 <- [0x00c2b29000 - 0x00c2b29fff] size 0x00001000 gran 0x0c mem64 PCI: 00:17.0 18 <- [0x00c2b2a000 - 0x00c2b2afff] size 0x00001000 gran 0x0c mem64 PCI: 00:17.0 assign_resources, bus 4 link: 0 PCI: 00:17.0 assign_resources, bus 4 link: 0 PCI: 00:17.1 10 <- [0x00c2b2b000 - 0x00c2b2bfff] size 0x00001000 gran 0x0c mem64 PCI: 00:17.1 18 <- [0x00c2b2c000 - 0x00c2b2cfff] size 0x00001000 gran 0x0c mem64 PCI: 00:17.1 assign_resources, bus 5 link: 0 PCI: 00:17.1 assign_resources, bus 5 link: 0 PCI: 00:18.0 10 <- [0x00c2b2d000 - 0x00c2b2dfff] size 0x00001000 gran 0x0c mem64 PCI: 00:18.0 18 <- [0x00c2b2e000 - 0x00c2b2efff] size 0x00001000 gran 0x0c mem64 PCI: 00:18.1 10 <- [0x00c2b2f000 - 0x00c2b2ffff] size 0x00001000 gran 0x0c mem64 PCI: 00:18.1 18 <- [0x00c2b30000 - 0x00c2b30fff] size 0x00001000 gran 0x0c mem64 PCI: 00:18.2 18 <- [0x00c2b31000 - 0x00c2b31fff] size 0x00001000 gran 0x0c mem64 PCI: 00:19.0 10 <- [0x00c2b32000 - 0x00c2b32fff] size 0x00001000 gran 0x0c mem64 PCI: 00:19.0 18 <- [0x00c2b33000 - 0x00c2b33fff] size 0x00001000 gran 0x0c mem64 PCI: 00:1b.0 10 <- [0x00c2b34000 - 0x00c2b34fff] size 0x00001000 gran 0x0c mem64 PCI: 00:1b.0 18 <- [0x00c2b35000 - 0x00c2b35fff] size 0x00001000 gran 0x0c mem64 PCI: 00:1c.0 10 <- [0x00c2b36000 - 0x00c2b36fff] size 0x00001000 gran 0x0c mem64 PCI: 00:1c.0 18 <- [0x00c2b37000 - 0x00c2b37fff] size 0x00001000 gran 0x0c mem64 PCI: 00:1f.0 assign_resources, bus 0 link: 0 PNP: 0c09.0 missing set_resources PCI: 00:1f.0 assign_resources, bus 0 link: 0 LPC: Trying to open IO window from 800 size 1ff LPC: Opened IO window LGIR3: base 800 size 100 LPC: Cannot open IO window: 900 size ff No more IO windows PCI: 00:1f.1 10 <- [0x00c2b39000 - 0x00c2b390ff] size 0x00000100 gran 0x08 mem64 PCI: 00:1f.1 20 <- [0x0000001040 - 0x000000105f] size 0x00000020 gran 0x05 io 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 DOMAIN: 0000 child on link 0 PCI: 00:00.0 DOMAIN: 0000 resource base 1000 size 60 align 6 gran 0 limit ffff flags 40040100 index 10000000 DOMAIN: 0000 resource base b0000000 size 12b39100 align 28 gran 0 limit cfffffff flags 40040200 index 10000100 PCI: 00:00.0 PCI: 00:00.0 resource base e0000000 size 10000000 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 0 size a0000 align 0 gran 0 limit 0 flags e0004200 index 2 PCI: 00:00.0 resource base c0000 size 7af40000 align 0 gran 0 limit 0 flags e0004200 index 3 PCI: 00:00.0 resource base 7b000000 size 800000 align 0 gran 0 limit 0 flags f0004200 index 5 PCI: 00:00.0 resource base 7b800000 size 4800000 align 0 gran 0 limit 0 flags f0000200 index 6 PCI: 00:00.0 resource base 100000000 size 80000000 align 0 gran 0 limit 0 flags e0004200 index 7 PCI: 00:00.0 resource base a0000 size 20000 align 0 gran 0 limit 0 flags f0000200 index 8 PCI: 00:00.0 resource base c0000 size 40000 align 0 gran 0 limit 0 flags f0004200 index 9 PCI: 00:00.0 resource base 11800000 size 400000 align 0 gran 0 limit 0 flags f0004200 index a PCI: 00:00.0 resource base 11000000 size 800000 align 0 gran 0 limit 0 flags f0004200 index b PCI: 00:00.0 resource base 12000000 size 100000 align 0 gran 0 limit 0 flags f0004200 index c PCI: 00:00.0 resource base 12150000 size 1000 align 0 gran 0 limit 0 flags f0004200 index d PCI: 00:00.0 resource base 12140000 size 10000 align 0 gran 0 limit 0 flags f0004200 index e PCI: 00:00.0 resource base 10000000 size 1000000 align 0 gran 0 limit 0 flags f0004200 index f PCI: 00:00.0 resource base 11c00000 size 400000 align 0 gran 0 limit 0 flags f0004200 index 10 PCI: 00:00.0 resource base 12100000 size 40000 align 0 gran 0 limit 0 flags f0004200 index 11 PCI: 00:00.1 PCI: 00:00.1 resource base c2b10000 size 8000 align 15 gran 15 limit c2b17fff flags 60000201 index 10 PCI: 00:00.2 PCI: 00:00.2 resource base c2800000 size 100000 align 20 gran 20 limit c28fffff flags 60000201 index 10 PCI: 00:00.2 resource base c2000000 size 800000 align 23 gran 23 limit c27fffff flags 60000201 index 18 PCI: 00:00.2 resource base c2b38000 size 200 align 12 gran 9 limit c2b381ff flags 60000201 index 20 PCI: 00:02.0 PCI: 00:02.0 resource base c0000000 size 1000000 align 24 gran 24 limit c0ffffff flags 60000201 index 10 PCI: 00:02.0 resource base b0000000 size 10000000 align 28 gran 28 limit bfffffff flags 60001201 index 18 PCI: 00:02.0 resource base 1000 size 40 align 6 gran 6 limit 103f flags 60000100 index 20 PCI: 00:03.0 PCI: 00:03.0 resource base c1000000 size 1000000 align 24 gran 24 limit c1ffffff flags 60000201 index 10 PCI: 00:0d.0 PCI: 00:0d.0 resource base d0000000 size 1000000 align 0 gran 0 limit 0 flags f0000200 index 10 PCI: 00:0d.1 PCI: 00:0d.1 resource base fe042000 size 2000 align 0 gran 0 limit 0 flags e0000200 index 10 PCI: 00:0d.1 resource base c2b1c000 size 1000 align 12 gran 12 limit c2b1cfff flags 60000201 index 18 PCI: 00:0d.1 resource base 400 size 100 align 0 gran 0 limit 0 flags e0000100 index 20 PCI: 00:0d.2 PCI: 00:0d.2 resource base c2b1d000 size 1000 align 12 gran 12 limit c2b1dfff flags 60000200 index 10 PCI: 00:0d.3 PCI: 00:0d.3 resource base fe900000 size 2000 align 0 gran 0 limit 0 flags e0000200 index 10 PCI: 00:0d.3 resource base fe902000 size 1000 align 0 gran 0 limit 0 flags e0000200 index 18 PCI: 00:0e.0 child on link 0 GENERIC: 0.0 PCI: 00:0e.0 resource base c2b18000 size 4000 align 14 gran 14 limit c2b1bfff flags 60000201 index 10 PCI: 00:0e.0 resource base c2900000 size 100000 align 20 gran 20 limit c29fffff flags 60000201 index 20 GENERIC: 0.0 PCI: 00:0f.0 PCI: 00:0f.0 resource base c2b1e000 size 1000 align 12 gran 12 limit c2b1efff flags 60000201 index 10 PCI: 00:0f.1 PCI: 00:0f.1 resource base c2b1f000 size 1000 align 12 gran 12 limit c2b1ffff flags 60000201 index 10 PCI: 00:0f.2 PCI: 00:0f.2 resource base c2b20000 size 1000 align 12 gran 12 limit c2b20fff flags 60000201 index 10 PCI: 00:11.0 PCI: 00:12.0 PCI: 00:13.0 PCI: 00:13.1 PCI: 00:13.2 PCI: 00:13.3 PCI: 00:14.0 child on link 0 PCI: 01:00.0 PCI: 00:14.0 resource base ffff size 0 align 12 gran 12 limit ffff flags 60080102 index 1c PCI: 00:14.0 resource base cfffffff size 0 align 20 gran 20 limit cfffffff flags 60081202 index 24 PCI: 00:14.0 resource base c2a00000 size 100000 align 20 gran 20 limit c2afffff flags 60080202 index 20 PCI: 01:00.0 PCI: 01:00.0 resource base c2a00000 size 2000 align 13 gran 13 limit c2a01fff flags 60000201 index 10 PCI: 00:14.1 PCI: 00:15.0 PCI: 00:15.0 resource base c2b00000 size 10000 align 16 gran 16 limit c2b0ffff flags 60000201 index 10 PCI: 00:15.1 PCI: 00:16.0 child on link 0 I2C: 01:1a PCI: 00:16.0 resource base c2b21000 size 1000 align 12 gran 12 limit c2b21fff flags 60000201 index 10 PCI: 00:16.0 resource base c2b22000 size 1000 align 12 gran 12 limit c2b22fff flags 60000201 index 18 I2C: 01:1a PCI: 00:16.1 PCI: 00:16.1 resource base c2b23000 size 1000 align 12 gran 12 limit c2b23fff flags 60000201 index 10 PCI: 00:16.1 resource base c2b24000 size 1000 align 12 gran 12 limit c2b24fff flags 60000201 index 18 PCI: 00:16.2 child on link 0 I2C: 02:50 PCI: 00:16.2 resource base c2b25000 size 1000 align 12 gran 12 limit c2b25fff flags 60000201 index 10 PCI: 00:16.2 resource base c2b26000 size 1000 align 12 gran 12 limit c2b26fff flags 60000201 index 18 I2C: 02:50 PCI: 00:16.3 child on link 0 I2C: 03:10 PCI: 00:16.3 resource base c2b27000 size 1000 align 12 gran 12 limit c2b27fff flags 60000201 index 10 PCI: 00:16.3 resource base c2b28000 size 1000 align 12 gran 12 limit c2b28fff flags 60000201 index 18 I2C: 03:10 I2C: 03:39 PCI: 00:17.0 child on link 0 I2C: 04:15 PCI: 00:17.0 resource base c2b29000 size 1000 align 12 gran 12 limit c2b29fff flags 60000201 index 10 PCI: 00:17.0 resource base c2b2a000 size 1000 align 12 gran 12 limit c2b2afff flags 60000201 index 18 I2C: 04:15 I2C: 04:2c PCI: 00:17.1 child on link 0 I2C: 05:09 PCI: 00:17.1 resource base c2b2b000 size 1000 align 12 gran 12 limit c2b2bfff flags 60000201 index 10 PCI: 00:17.1 resource base c2b2c000 size 1000 align 12 gran 12 limit c2b2cfff flags 60000201 index 18 I2C: 05:09 PCI: 00:17.2 PCI: 00:17.3 PCI: 00:18.0 PCI: 00:18.0 resource base c2b2d000 size 1000 align 12 gran 12 limit c2b2dfff flags 60000201 index 10 PCI: 00:18.0 resource base c2b2e000 size 1000 align 12 gran 12 limit c2b2efff flags 60000201 index 18 PCI: 00:18.1 PCI: 00:18.1 resource base c2b2f000 size 1000 align 12 gran 12 limit c2b2ffff flags 60000201 index 10 PCI: 00:18.1 resource base c2b30000 size 1000 align 12 gran 12 limit c2b30fff flags 60000201 index 18 PCI: 00:18.2 PCI: 00:18.2 resource base de000000 size 1000 align 0 gran 0 limit 0 flags e0000200 index 10 PCI: 00:18.2 resource base c2b31000 size 1000 align 12 gran 12 limit c2b31fff flags 60000201 index 18 PCI: 00:18.3 PCI: 00:19.0 PCI: 00:19.0 resource base c2b32000 size 1000 align 12 gran 12 limit c2b32fff flags 60000201 index 10 PCI: 00:19.0 resource base c2b33000 size 1000 align 12 gran 12 limit c2b33fff flags 60000201 index 18 PCI: 00:19.1 PCI: 00:19.2 PCI: 00:1a.0 PCI: 00:1b.0 PCI: 00:1b.0 resource base c2b34000 size 1000 align 12 gran 12 limit c2b34fff flags 60000201 index 10 PCI: 00:1b.0 resource base c2b35000 size 1000 align 12 gran 12 limit c2b35fff flags 60000201 index 18 PCI: 00:1c.0 PCI: 00:1c.0 resource base c2b36000 size 1000 align 12 gran 12 limit c2b36fff flags 60000201 index 10 PCI: 00:1c.0 resource base c2b37000 size 1000 align 12 gran 12 limit c2b37fff flags 60000201 index 18 PCI: 00:1e.0 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.1 resource base c2b39000 size 100 align 12 gran 8 limit c2b390ff flags 60000201 index 10 PCI: 00:1f.1 resource base 1040 size 20 align 5 gran 5 limit 105f flags 60000100 index 20 Done allocating resources. BS: BS_DEV_RESOURCES times (us): entry 0 run 2951588 exit 0 Enabling resources... PCI: 00:00.0 cmd <- 07 PCI: 00:00.1 subsystem <- 8086/5a8c PCI: 00:00.1 cmd <- 02 PCI: 00:00.2 subsystem <- 8086/5a8e PCI: 00:00.2 cmd <- 06 PCI: 00:02.0 cmd <- 03 PCI: 00:03.0 subsystem <- 8086/5a88 PCI: 00:03.0 cmd <- 02 PCI: 00:0d.1 cmd <- 07 PCI: 00:0d.2 subsystem <- 8086/5a96 PCI: 00:0d.2 cmd <- 406 PCI: 00:0d.3 cmd <- 06 PCI: 00:0e.0 cmd <- 02 PCI: 00:0f.0 cmd <- 06 PCI: 00:0f.1 cmd <- 06 PCI: 00:0f.2 cmd <- 06 PCI: 00:14.0 bridge ctrl <- 0003 PCI: 00:14.0 cmd <- 06 PCI: 00:15.0 cmd <- 02 PCI: 00:16.0 cmd <- 02 PCI: 00:16.1 cmd <- 02 PCI: 00:16.2 cmd <- 06 PCI: 00:16.3 cmd <- 02 PCI: 00:17.0 cmd <- 02 PCI: 00:17.1 cmd <- 02 PCI: 00:18.0 cmd <- 02 PCI: 00:18.1 cmd <- 02 PCI: 00:18.2 cmd <- 06 PCI: 00:19.0 subsystem <- 8086/5ac2 PCI: 00:19.0 cmd <- 02 PCI: 00:1b.0 cmd <- 06 PCI: 00:1c.0 subsystem <- 8086/5acc PCI: 00:1c.0 cmd <- 06 PCI: 00:1f.0 cmd <- 07 PCI: 00:1f.1 subsystem <- 8086/5ad4 PCI: 00:1f.1 cmd <- 03 PCI: 01:00.0 subsystem <- 8086/095a PCI: 01:00.0 cmd <- 02 done. BS: BS_DEV_ENABLE times (us): entry 171 run 112446 exit 0 FMAP: area FPF_STATUS found @ 42f000 (4096 bytes) Initializing devices... Root Device init ... Root Device init finished in 2136 usecs CPU_CLUSTER: 0 init ... MTRR: Physical address space: 0x0000000000000000 - 0x00000000000a0000 size 0x000a0000 type 6 0x00000000000a0000 - 0x00000000000c0000 size 0x00020000 type 0 0x00000000000c0000 - 0x000000007b800000 size 0x7b740000 type 6 0x000000007b800000 - 0x00000000b0000000 size 0x34800000 type 0 0x00000000b0000000 - 0x00000000c0000000 size 0x10000000 type 1 0x00000000c0000000 - 0x0000000100000000 size 0x40000000 type 0 0x0000000100000000 - 0x0000000180000000 size 0x80000000 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: 6/8. MTRR: WB selected as default type. MTRR: 0 base 0x000000007b800000 mask 0x0000007fff800000 type 0 MTRR: 1 base 0x000000007c000000 mask 0x0000007ffc000000 type 0 MTRR: 2 base 0x0000000080000000 mask 0x0000007fe0000000 type 0 MTRR: 3 base 0x00000000a0000000 mask 0x0000007ff0000000 type 0 MTRR: 4 base 0x00000000b0000000 mask 0x0000007ff0000000 type 1 MTRR: 5 base 0x00000000c0000000 mask 0x0000007fc0000000 type 0 MTRR check Fixed MTRRs : Enabled Variable MTRRs: Enabled Detected 4 core, 4 thread CPU. Will perform SMM setup. FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'cpu_microcode_blob.bin' CBFS: Found @ offset 11d40 size 4000 microcode: sig=0x506c9 pf=0x1 revision=0x2c CPU: Intel(R) Pentium(R) CPU N4200 @ 1.10GHz. Loading module at 00030000 with entry 00030000. filesize: 0x130 memsize: 0x130 Processing 16 relocs. Offset value of 0x00030000 Attempting to start 3 APs Waiting for 10ms after sending INIT. Waiting for 1st SIPI to complete...AP: slot 1 apic_id 6. AP: slot 2 apic_id 2. AP: slot 3 apic_id 4. done. Waiting for 2nd SIPI to complete...done. Loading module at 00038000 with entry 00038000. filesize: 0x1a8 memsize: 0x1a8 Processing 12 relocs. Offset value of 0x00038000 SMM Module: stub loaded at 00038000. Will call 7ab9065d(00000000) Installing SMM handler to 0x7b000000 Loading module at 7b010000 with entry 7b010cfc. filesize: 0x3550 memsize: 0x7630 Processing 229 relocs. Offset value of 0x7b010000 Loading module at 7b008000 with entry 7b008000. filesize: 0x1a8 memsize: 0x1a8 Processing 12 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 7b010cfc(00000000) Clearing SMI status registers New SMBASE 0x7afff800 Relocation complete. New SMBASE 0x7afffc00 Relocation complete. New SMBASE 0x7afff400 Relocation complete. New SMBASE 0x7b000000 Relocation complete. Initializing CPU #0 CPU: vendor Intel device 506c9 CPU: family 06, model 5c, stepping 09 CPU #0 initialized Initializing CPU #2 Initializing CPU #3 CPU: vendor Intel device 506c9 CPU: family 06, model 5c, stepping 09 CPU: vendor Intel device 506c9 CPU: family 06, model 5c, stepping 09 CPU #2 initialized Initializing CPU #1 CPU #3 initialized CPU: vendor Intel device 506c9 CPU: family 06, model 5c, stepping 09 CPU #1 initialized Enabling SMIs. MTRR: TEMPORARY Physical address space: 0x0000000000000000 - 0x00000000000a0000 size 0x000a0000 type 6 0x00000000000a0000 - 0x00000000000c0000 size 0x00020000 type 0 0x00000000000c0000 - 0x000000007b800000 size 0x7b740000 type 6 0x000000007b800000 - 0x00000000ff000000 size 0x83800000 type 0 0x00000000ff000000 - 0x0000000100000000 size 0x01000000 type 5 0x0000000100000000 - 0x0000000180000000 size 0x80000000 type 6 MTRR: default type WB/UC MTRR counts: 10/8. MTRR: UC selected as default type. MTRR: 0 base 0x0000000000000000 mask 0x0000007fc0000000 type 6 MTRR: 1 base 0x0000000040000000 mask 0x0000007fe0000000 type 6 MTRR: 2 base 0x0000000060000000 mask 0x0000007ff0000000 type 6 MTRR: 3 base 0x0000000070000000 mask 0x0000007ff8000000 type 6 MTRR: 4 base 0x0000000078000000 mask 0x0000007ffc000000 type 6 MTRR: 5 base 0x000000007b800000 mask 0x0000007fff800000 type 0 MTRR: 6 base 0x00000000ff000000 mask 0x0000007fff000000 type 5 MTRR: 7 base 0x0000000100000000 mask 0x0000007f00000000 type 6 CPU_CLUSTER: 0 init finished in 468272 usecs PCI: 00:00.0 init ... PCI: 00:00.0 init finished in 2234 usecs PCI: 00:00.1 init ... PCI: 00:00.1 init finished in 2234 usecs PCI: 00:00.2 init ... PCI: 00:00.2 init finished in 2234 usecs PCI: 00:02.0 init ... PCI: 00:02.0 init finished in 2235 usecs PCI: 00:03.0 init ... PCI: 00:03.0 init finished in 2230 usecs PCI: 00:0d.1 init ... gpe0_sts[0]: 00000000 gpe0_en[0]: 00000000 gpe0_sts[1]: 0ead33f7 gpe0_en[1]: 00000000 gpe0_sts[2]: 3ffd0024 gpe0_en[2]: 00000000 gpe0_sts[3]: 800ec00e gpe0_en[3]: 00000000 Disabling ACPI via APMC:Done. SLP S3 assertion width: 50000 usecs PCI: 00:0d.1 init finished in 27484 usecs PCI: 00:0d.2 init ... PCI: 00:0d.2 init finished in 2233 usecs PCI: 00:0f.0 init ... PCI: 00:0f.0 init finished in 2236 usecs PCI: 00:0f.1 init ... PCI: 00:0f.1 init finished in 2231 usecs PCI: 00:0f.2 init ... PCI: 00:0f.2 init finished in 2231 usecs PCI: 00:15.0 init ... PCI: 00:15.0 init finished in 2234 usecs PCI: 00:16.0 init ... LPSS I2C bus 0 at 0xc2b21000 (400 KHz) PCI: 00:16.0 init finished in 6115 usecs PCI: 00:16.1 init ... LPSS I2C bus 1 at 0xc2b23000 (400 KHz) PCI: 00:16.1 init finished in 6114 usecs PCI: 00:16.2 init ... LPSS I2C bus 2 at 0xc2b25000 (400 KHz) PCI: 00:16.2 init finished in 6115 usecs PCI: 00:16.3 init ... LPSS I2C bus 3 at 0xc2b27000 (400 KHz) PCI: 00:16.3 init finished in 6114 usecs PCI: 00:17.0 init ... LPSS I2C bus 4 at 0xc2b29000 (400 KHz) PCI: 00:17.0 init finished in 6112 usecs PCI: 00:17.1 init ... LPSS I2C bus 5 at 0xc2b2b000 (400 KHz) PCI: 00:17.1 init finished in 6116 usecs PCI: 00:19.0 init ... PCI: 00:19.0 init finished in 2231 usecs PCI: 00:1c.0 init ... PCI: 00:1c.0 init finished in 2231 usecs PCI: 00:1f.0 init ... RTC Init PCI: 00:1f.0 init finished in 3552 usecs PCI: 00:1f.1 init ... PCI: 00:1f.1 init finished in 2231 usecs PCI: 01:00.0 init ... PCI: 01:00.0 init finished in 2235 usecs PNP: 0c09.0 init ... Keyboard init... PS/2 keyboard initialized on primary channel Google Chrome EC: Initializing keyboard. Google Chrome EC: Hello got back 11223344 status (0) Google Chrome EC: version: ro: coral_v1.1.7292-04956f5df rw: coral_v1.1.7292-04956f5df running image: 1 PNP: 0c09.0 init finished in 43165 usecs Devices initialized Show all devs... After init. Root Device: enabled 1 CPU_CLUSTER: 0: enabled 1 APIC: 00: enabled 1 DOMAIN: 0000: enabled 1 PCI: 00:00.0: enabled 1 PCI: 00:00.1: enabled 1 PCI: 00:00.2: enabled 1 PCI: 00:02.0: enabled 1 PCI: 00:03.0: enabled 1 PCI: 00:0d.0: enabled 1 PCI: 00:0d.1: enabled 1 PCI: 00:0d.2: enabled 1 PCI: 00:0d.3: enabled 1 PCI: 00:0e.0: enabled 1 GENERIC: 0.0: enabled 1 PCI: 00:11.0: enabled 0 PCI: 00:12.0: enabled 0 PCI: 00:13.0: enabled 0 PCI: 00:13.1: enabled 0 PCI: 00:13.2: enabled 0 PCI: 00:13.3: enabled 0 PCI: 00:14.0: enabled 1 PCI: 01:00.0: enabled 1 PCI: 00:14.1: enabled 0 PCI: 00:15.0: enabled 1 PCI: 00:15.1: enabled 0 PCI: 00:16.0: enabled 1 I2C: 01:1a: enabled 1 PCI: 00:16.1: enabled 1 PCI: 00:16.2: enabled 1 I2C: 02:50: enabled 1 PCI: 00:16.3: enabled 1 I2C: 03:10: enabled 1 I2C: 03:39: enabled 1 PCI: 00:17.0: enabled 1 I2C: 04:15: enabled 1 I2C: 04:2c: enabled 1 PCI: 00:17.1: enabled 1 I2C: 05:09: enabled 1 PCI: 00:17.2: enabled 0 PCI: 00:17.3: enabled 0 PCI: 00:18.0: enabled 1 PCI: 00:18.1: enabled 1 PCI: 00:18.2: enabled 1 PCI: 00:18.3: enabled 0 PCI: 00:19.0: enabled 1 PCI: 00:19.1: enabled 0 PCI: 00:19.2: enabled 0 PCI: 00:1a.0: enabled 0 PCI: 00:1b.0: enabled 1 PCI: 00:1c.0: enabled 1 PCI: 00:1e.0: enabled 0 PCI: 00:1f.0: enabled 1 PNP: 0c09.0: enabled 1 PCI: 00:1f.1: enabled 1 PCI: 00:0f.0: enabled 1 PCI: 00:0f.1: enabled 1 PCI: 00:0f.2: enabled 1 APIC: 06: enabled 1 APIC: 02: enabled 1 APIC: 04: enabled 1 BS: BS_DEV_INIT times (us): entry 4984 run 882506 exit 887 ELOG: Event(A1) added with size 10 at 2022-12-08 16:16:19 UTC elog_add_boot_reason: Logged recovery mode boot (Dev-switch on), reason: 0x1b ELOG: Event(A0) added with size 9 at 2022-12-08 16:16:19 UTC elog_add_boot_reason: Logged dev mode boot Finalize devices... Devices finalized FMAP: area RW_NVRAM found @ 42a000 (20480 bytes) BS: BS_POST_DEVICE times (us): entry 24879 run 3949 exit 5257 BS: BS_OS_RESUME_CHECK times (us): entry 0 run 60 exit 0 FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'fallback/dsdt.aml' CBFS: Found @ offset b7600 size 2e40 FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'fallback/slic' CBFS: 'fallback/slic' not found. ACPI: Writing ACPI tables at 7ab10000. ACPI: * FACS ACPI: * DSDT Ramoops buffer: 0x100000@0x7aa10000. ACPI: * FADT SCI is IRQ9 ACPI: added table 1/32, length now 40 ACPI: * SSDT Found 1 CPU(s) with 4 core(s) each. Turbo is available and visible PSS: 1101MHz power 6000 control 0x1900 status 0x1900 PSS: 1100MHz power 6000 control 0xb00 status 0xb00 PSS: 1000MHz power 5388 control 0xa00 status 0xa00 PSS: 800MHz power 4213 control 0x800 status 0x800 PSS: 1101MHz power 6000 control 0x1900 status 0x1900 PSS: 1100MHz power 6000 control 0xb00 status 0xb00 PSS: 1000MHz power 5388 control 0xa00 status 0xa00 PSS: 800MHz power 4213 control 0x800 status 0x800 PSS: 1101MHz power 6000 control 0x1900 status 0x1900 PSS: 1100MHz power 6000 control 0xb00 status 0xb00 PSS: 1000MHz power 5388 control 0xa00 status 0xa00 PSS: 800MHz power 4213 control 0x800 status 0x800 PSS: 1101MHz power 6000 control 0x1900 status 0x1900 PSS: 1100MHz power 6000 control 0xb00 status 0xb00 PSS: 1000MHz power 5388 control 0xa00 status 0xa00 PSS: 800MHz power 4213 control 0x800 status 0x800 \_SB.PCI0.HDAS.MAXM: Maxim Integrated 98357A Amplifier Error: Could not locate 'wifi_sar' in VPD Error: failed from getting SAR limits! \_SB.PCI0.RP01.WIFI: Intel WiFi PCI: 01:00.0 lpss_i2c: bad counts. hcnt = -8 lcnt = 14 \_SB.PCI0.I2C0.DLG7: Dialog Semiconductor DA7219 Audio Codec address 01ah irq 91 lpss_i2c: bad counts. hcnt = -5 lcnt = 17 \_SB.PCI0.I2C2.TPMI: I2C TPM at I2C: 02:50 lpss_i2c: bad counts. hcnt = -1 lcnt = 77 lpss_i2c: bad counts. hcnt = -23 lcnt = 32 \_SB.PCI0.I2C3.D010: ELAN Touchscreen at I2C: 03:10 \_SB.PCI0.I2C3.D039: Raydium Touchscreen at I2C: 03:39 lpss_i2c: bad counts. hcnt = -1 lcnt = 72 lpss_i2c: bad counts. hcnt = -23 lcnt = 27 \_SB.PCI0.I2C4.D015: ELAN Touchpad at I2C: 04:15 \_SB.PCI0.I2C4.H02C: Synaptics Touchpad at I2C: 04:2c lpss_i2c: bad counts. hcnt = -5 lcnt = 4 \_SB.PCI0.I2C5.H009: WCOM Digitizer at I2C: 05:09 ACPI: added table 2/32, length now 44 ACPI: * MCFG ACPI: added table 3/32, length now 48 ACPI: * TCPA TCPA log created at 7aa00000 ACPI: added table 4/32, length now 52 ACPI: * MADT SCI is IRQ9 ACPI: added table 5/32, length now 56 current = 7ab14920 FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'dmic-4ch-48khz-16b.bin' CBFS: Found @ offset 2e1c0 size be8 Added 4CH DMIC array. FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'dialog-2ch-48khz-24b.bin' CBFS: Found @ offset 2ef00 size 64 FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'dialog-2ch-48khz-24b.bin' CBFS: Found @ offset 2ef00 size 64 Added Dialog_7219 codec. FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'max98357-render-2ch-48khz-24b.bin' CBFS: Found @ offset 2ee00 size 74 Added Maxim_98357 codec. ACPI: * NHLT ACPI: added table 6/32, length now 60 ACPI: * IGD OpRegion ACPI: * HPET ACPI: added table 7/32, length now 64 ACPI: done. ACPI tables: 30656 bytes. smbios_write_tables: 7a9fd000 Create SMBIOS type 17 Root Device (Google Coral) CPU_CLUSTER: 0 (Intel Apollolake SOC) APIC: 00 (Intel Apollolake SOC) DOMAIN: 0000 (Intel Apollolake SOC) PCI: 00:00.0 (Intel Apollolake SOC) PCI: 00:00.1 (Intel Apollolake SOC) PCI: 00:00.2 (Intel Apollolake SOC) PCI: 00:02.0 (Intel Apollolake SOC) PCI: 00:03.0 (Intel Apollolake SOC) PCI: 00:0d.0 (Intel Apollolake SOC) PCI: 00:0d.1 (Intel Apollolake SOC) PCI: 00:0d.2 (Intel Apollolake SOC) PCI: 00:0d.3 (Intel Apollolake SOC) PCI: 00:0e.0 (Intel Apollolake SOC) GENERIC: 0.0 (Maxim Integrated 98357A Amplifier) PCI: 00:11.0 (Intel Apollolake SOC) PCI: 00:12.0 (Intel Apollolake SOC) PCI: 00:13.0 (Intel Apollolake SOC) PCI: 00:13.1 (Intel Apollolake SOC) PCI: 00:13.2 (Intel Apollolake SOC) PCI: 00:13.3 (Intel Apollolake SOC) PCI: 00:14.0 (Intel Apollolake SOC) PCI: 01:00.0 (Intel WiFi) PCI: 00:14.1 (Intel Apollolake SOC) PCI: 00:15.0 (Intel Apollolake SOC) PCI: 00:15.1 (Intel Apollolake SOC) PCI: 00:16.0 (Intel Apollolake SOC) I2C: 01:1a (Dialog Semiconductor DA7219 Audio Codec) PCI: 00:16.1 (Intel Apollolake SOC) PCI: 00:16.2 (Intel Apollolake SOC) I2C: 02:50 (I2C TPM) PCI: 00:16.3 (Intel Apollolake SOC) I2C: 03:10 (I2C Device) I2C: 03:39 (I2C Device) PCI: 00:17.0 (Intel Apollolake SOC) I2C: 04:15 (I2C Device) I2C: 04:2c (I2C HID Device) PCI: 00:17.1 (Intel Apollolake SOC) I2C: 05:09 (I2C HID Device) PCI: 00:17.2 (Intel Apollolake SOC) PCI: 00:17.3 (Intel Apollolake SOC) PCI: 00:18.0 (Intel Apollolake SOC) PCI: 00:18.1 (Intel Apollolake SOC) PCI: 00:18.2 (Intel Apollolake SOC) PCI: 00:18.3 (Intel Apollolake SOC) PCI: 00:19.0 (Intel Apollolake SOC) PCI: 00:19.1 (Intel Apollolake SOC) PCI: 00:19.2 (Intel Apollolake SOC) PCI: 00:1a.0 (Intel Apollolake SOC) PCI: 00:1b.0 (Intel Apollolake SOC) PCI: 00:1c.0 (Intel Apollolake SOC) PCI: 00:1e.0 (Intel Apollolake SOC) PCI: 00:1f.0 (Intel Apollolake SOC) PNP: 0c09.0 (Google Chrome EC) PCI: 00:1f.1 (Intel Apollolake SOC) PCI: 00:0f.0 (unknown) PCI: 00:0f.1 (unknown) PCI: 00:0f.2 (unknown) APIC: 06 (unknown) APIC: 02 (unknown) APIC: 04 (unknown) SMBIOS tables: 839 bytes. Writing table forward entry at 0x00000500 Wrote coreboot table at: 00000500, 0x10 bytes, checksum 452b Writing coreboot table at 0x7ab34000 0. 0000000000000000-0000000000000fff: CONFIGURATION TABLES 1. 0000000000001000-000000000009ffff: RAM 2. 00000000000a0000-00000000000fffff: RESERVED 3. 0000000000100000-000000000fffffff: RAM 4. 0000000010000000-0000000012150fff: RESERVED 5. 0000000012151000-000000007a9fcfff: RAM 6. 000000007a9fd000-000000007affffff: CONFIGURATION TABLES 7. 000000007b000000-000000007fffffff: RESERVED 8. 00000000d0000000-00000000d0ffffff: RESERVED 9. 00000000e0000000-00000000efffffff: RESERVED 10. 00000000fed10000-00000000fed17fff: RESERVED 11. 0000000100000000-000000017fffffff: RAM Graphics framebuffer located at 0xb0000000 Passing 6 GPIOs to payload: NAME | PORT | POLARITY | VALUE write protect | undefined | high | low recovery | undefined | high | high lid | undefined | high | low power | undefined | high | high oprom | undefined | high | high EC in RW | 0x00000029 | high | high FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) Wrote coreboot table at: 7ab34000, 0x5f4 bytes, checksum c365 coreboot table: 1548 bytes. IMD ROOT 0. 7afff000 00001000 IMD SMALL 1. 7affe000 00001000 FSP MEMORY 2. 7abfe000 00400000 CONSOLE 3. 7abde000 00020000 TIME STAMP 4. 7abdd000 00000400 VBOOT 5. 7abdc000 00000c0c MRC DATA 6. 7abd0000 0000b2d0 ROMSTG STCK 7. 7abcf000 00000400 AFTER CAR 8. 7abc5000 0000a000 RAMSTAGE 9. 7ab77000 0004e000 REFCODE 10. 7ab4d000 0002a000 ACPI GNVS 11. 7ab4c000 00001000 SMM BACKUP 12. 7ab3c000 00010000 COREBOOT 13. 7ab34000 00008000 ACPI 14. 7ab10000 00024000 RAMOOPS 15. 7aa10000 00100000 TCPA LOG 16. 7aa00000 00010000 EXT VBT17. 7a9fe000 0000180a SMBIOS 18. 7a9fd000 00000800 IMD small region: IMD ROOT 0. 7affec00 00000400 FSP RUNTIME 1. 7affebe0 00000004 VBOOT SEL 2. 7affebc0 00000008 EC HOSTEVENT 3. 7affeba0 00000004 POWER STATE 4. 7affeb60 00000040 ROMSTAGE 5. 7affeb40 00000004 VARMRC DATA 6. 7affeb00 00000028 MEM INFO 7. 7affe9a0 00000141 VPD 8. 7affe940 00000047 GNVS PTR 9. 7affe920 00000004 BS: BS_WRITE_TABLES times (us): entry 0 run 816074 exit 0 FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'fallback/payload' CBFS: Found @ offset f6d00 size 36dd4 Loading segment from ROM address 0xff37cd38 code (compression=0) New segment dstaddr 0x30104040 memsize 0x251570 srcaddr 0xff37cd70 filesize 0x36d9c Loading segment from ROM address 0xff37cd54 Entry Point 0x30104040 Loading Segment: addr: 0x0000000030104040 memsz: 0x0000000000251570 filesz: 0x0000000000036d9c lb: [0x000000007ab78000, 0x000000007abc4bb0) Post relocation: addr: 0x0000000030104040 memsz: 0x0000000000251570 filesz: 0x0000000000036d9c it's not compressed! [ 0x30104040, 3013addc, 0x303555b0) <- ff37cd70 Clearing Segment: addr: 0x000000003013addc memsz: 0x000000000021a7d4 dest 30104040, end 303555b0, bouncebuffer ffffffff Loaded segments CSE FWSTS1: 0x80000245 CSE FWSTS2: 0x3b850000 CSE FWSTS3: 0x00000000 CSE FWSTS4: 0x00080000 CSE FWSTS5: 0x00000000 CSE FWSTS6: 0x40000000 ME: Manufacturing Mode : NO ME: FPF status : fused BS: BS_PAYLOAD_LOAD times (us): entry 175 run 108014 exit 31901 Jumping to boot code at 30104040(7ab34000) CPU0: stack: 7abb4000 - 7abb5000, lowest used address 7abb481c, stack used: 2020 bytes Starting depthcharge on coral... 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! BIOS MMAP details: IFD Base Offset : 0x1000 IFD End Offset : 0xf7f000 MMAP Size : 0xf7e000 MMAP Start : 0xff082000 The GBB signature is at 0x30004040 and is: 24 47 42 42 [firmware-coral-10068.B-rcn] Dec 21 2020 15:04:32 coral:enet dhcp enet dhcp Waiting for link R8152: Initializing Version 9 (ocp_data = 6010) R8152: Done initializing Adding net device done. MAC: 00:e0:4c:68:0a:de Sending DHCP discover... done. Waiting for reply... done. Sending DHCP request... done. Waiting for reply... done. My ip is 192.168.201.16 The DHCP server ip is 192.168.201.1 coral: tftpboot 192.168.201.1 8290344/tftp-deploy-ym_0ecro/kernel/bzImage 8290344/tftp-deploy-ym_0ecro/kernel/cmdline 8290344/tftp-deploy-ym_0ecro/ramdisk/ramdisk.cpio.gz tftpboot 192.168.201.1 8290344/tftp-deploy-ym_0ecro/kernel/bzImagoy-ym_0ecro/kernel/cmdline 8290344/tftp-deploy-ym_0ecro/ramdisk/ramdisk.cpio.gz Waiting for link done. MAC: 00:e0:4c:68:0a:de Sending DHCP discover... done. Waiting for reply... done. Sending DHCP request... done. Waiting for reply... done. My ip is 192.168.201.16 The DHCP server ip is 192.168.201.1 TFTP server IP predefined by user: 192.168.201.1 Bootfile predefined by user: 8290344/tftp-deploy-ym_0ecro/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 #################################### done. The bootfile was 13922912 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 ################################ done. Sending tftp read request... done. Waiting for the transfer... 00000000 # done. Command line loaded dynamically from TFTP file: 8290344/tftp-deploy-ym_0ecro/kernel/cmdline The command line is: earlyprintk=uart8250,mmio32,0xde000000,115200n8 console=ttyS2,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/8290344/extract-nfsrootfs-ir3gilit,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: 18698296 Starting kernel ... [ 0.000000] Linux version 5.10.158-cip21 (KernelCI@build-j667644-x86-64-gcc-10-x86-64-defconfig-x86-chromebooc6ntk) (gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2) #1 SMP Thu Dec 8 15:02:52 UTC 2022 [ 0.000000] Command line: earlyprintk=uart8250,mmio32,0xde000000,115200n8 console=ttyS2,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/8290344/extract-nfsrootfs-ir3gilit,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 0x008: 'MPX bounds registers' [ 0.000000] x86/fpu: Supporting XSAVE feature 0x010: 'MPX CSR' [ 0.000000] x86/fpu: xstate_offset[3]: 576, xstate_sizes[3]: 64 [ 0.000000] x86/fpu: xstate_offset[4]: 640, xstate_sizes[4]: 64 [ 0.000000] x86/fpu: Enabled xstate features 0x1b, context size is 704 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 0x0000000000100000-0x000000000fffffff] usable [ 0.000000] BIOS-e820: [mem 0x0000000010000000-0x0000000012150fff] reserved [ 0.000000] BIOS-e820: [mem 0x0000000012151000-0x000000007a9fcfff] usable [ 0.000000] BIOS-e820: [mem 0x000000007a9fd000-0x000000007affffff] type 16 [ 0.000000] BIOS-e820: [mem 0x000000007b000000-0x000000007fffffff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000d0000000-0x00000000d0ffffff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000e0000000-0x00000000efffffff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000fed10000-0x00000000fed17fff] reserved [ 0.000000] BIOS-e820: [mem 0x0000000100000000-0x000000017fffffff] usable [ 0.000000] NX (Execute Disable) protection: active [ 0.000000] SMBIOS 2.7 present. [ 0.000000] DMI: Google Coral/Coral, BIOS 09/29/2020 [ 0.000000] tsc: Detected 1094.400 MHz processor [ 0.000058] last_pfn = 0x180000 max_arch_pfn = 0x400000000 [ 0.000304] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT [ 0.001170] last_pfn = 0x7a9fd max_arch_pfn = 0x400000000 [ 0.005267] check: Scanning 1 areas for low memory corruption [ 0.005281] Using GB pages for direct mapping [ 0.005639] RAMDISK: [mem 0x377c1000-0x37ffffff] [ 0.005647] ACPI: Early table checksum verification disabled [ 0.005656] ACPI: RSDP 0x00000000000F0000 000024 (v02 CORE ) [ 0.005667] ACPI: XSDT 0x000000007AB100E0 00005C (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.005682] ACPI: FACP 0x000000007AB13130 0000F4 (v04 CORE COREBOOT 00000000 CORE 00000000) [ 0.005695] ACPI: DSDT 0x000000007AB10280 002EA8 (v05 COREv4 COREBOOT 20110725 INTL 20150717) [ 0.005706] ACPI: FACS 0x000000007AB10240 000040 [ 0.005715] ACPI: FACS 0x000000007AB10240 000040 [ 0.005724] ACPI: SSDT 0x000000007AB13230 0015FA (v02 CORE COREBOOT 0000002A CORE 0000002A) [ 0.005734] ACPI: MCFG 0x000000007AB14830 00003C (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.005744] ACPI: TCPA 0x000000007AB14870 000032 (v02 CORE COREBOOT 00000000 CORE 00000000) [ 0.005754] ACPI: APIC 0x000000007AB148B0 00006C (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.005764] ACPI: NHLT 0x000000007AB14920 000E60 (v05 coral coral 00000021 CORE 00000000) [ 0.005774] ACPI: HPET 0x000000007AB17780 000038 (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.005784] ACPI: Reserving FACP table memory at [mem 0x7ab13130-0x7ab13223] [ 0.005788] ACPI: Reserving DSDT table memory at [mem 0x7ab10280-0x7ab13127] [ 0.005793] ACPI: Reserving FACS table memory at [mem 0x7ab10240-0x7ab1027f] [ 0.005797] ACPI: Reserving FACS table memory at [mem 0x7ab10240-0x7ab1027f] [ 0.005800] ACPI: Reserving SSDT table memory at [mem 0x7ab13230-0x7ab14829] [ 0.005804] ACPI: Reserving MCFG table memory at [mem 0x7ab14830-0x7ab1486b] [ 0.005808] ACPI: Reserving TCPA table memory at [mem 0x7ab14870-0x7ab148a1] [ 0.005812] ACPI: Reserving APIC table memory at [mem 0x7ab148b0-0x7ab1491b] [ 0.005816] ACPI: Reserving NHLT table memory at [mem 0x7ab14920-0x7ab1577f] [ 0.005821] ACPI: Reserving HPET table memory at [mem 0x7ab17780-0x7ab177b7] [ 0.005944] No NUMA configuration found [ 0.005949] Faking a node at [mem 0x0000000000000000-0x000000017fffffff] [ 0.005958] NODE_DATA(0) allocated [mem 0x17fffc000-0x17fffffff] [ 0.006004] Zone ranges: [ 0.006009] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 0.006015] DMA32 [mem 0x0000000001000000-0x00000000ffffffff] [ 0.006021] Normal [mem 0x0000000100000000-0x000000017fffffff] [ 0.006027] Movable zone start for each node [ 0.006031] Early memory node ranges [ 0.006035] node 0: [mem 0x0000000000001000-0x000000000009ffff] [ 0.006039] node 0: [mem 0x0000000000100000-0x000000000fffffff] [ 0.006043] node 0: [mem 0x0000000012151000-0x000000007a9fcfff] [ 0.006048] node 0: [mem 0x0000000100000000-0x000000017fffffff] [ 0.006053] Initmem setup node 0 [mem 0x0000000000001000-0x000000017fffffff] [ 0.006084] On node 0, zone DMA: 1 pages in unavailable ranges [ 0.006136] On node 0, zone DMA: 96 pages in unavailable ranges [ 0.012833] On node 0, zone DMA32: 8529 pages in unavailable ranges [ 0.020282] On node 0, zone Normal: 22019 pages in unavailable ranges [ 0.020314] Reserving Intel graphics memory at [mem 0x7c000000-0x7fffffff] [ 0.020627] ACPI: PM-Timer IO Port: 0x408 [ 0.020700] IOAPIC[0]: apic_id 2, version 32, address 0xfec00000, GSI 0-119 [ 0.020716] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl) [ 0.020722] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 low level) [ 0.020734] Using ACPI (MADT) for SMP configuration information [ 0.020740] ACPI: HPET id: 0x8086a701 base: 0xfed00000 [ 0.020752] TSC deadline timer available [ 0.020758] smpboot: Allowing 4 CPUs, 0 hotplug CPUs [ 0.020790] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] [ 0.020796] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000fffff] [ 0.020801] PM: hibernation: Registered nosave memory: [mem 0x10000000-0x12150fff] [ 0.020806] PM: hibernation: Registered nosave memory: [mem 0x7a9fd000-0x7affffff] [ 0.020810] PM: hibernation: Registered nosave memory: [mem 0x7b000000-0x7fffffff] [ 0.020813] PM: hibernation: Registered nosave memory: [mem 0x80000000-0xcfffffff] [ 0.020817] PM: hibernation: Registered nosave memory: [mem 0xd0000000-0xd0ffffff] [ 0.020821] PM: hibernation: Registered nosave memory: [mem 0xd1000000-0xdfffffff] [ 0.020825] PM: hibernation: Registered nosave memory: [mem 0xe0000000-0xefffffff] [ 0.020828] PM: hibernation: Registered nosave memory: [mem 0xf0000000-0xfed0ffff] [ 0.020832] PM: hibernation: Registered nosave memory: [mem 0xfed10000-0xfed17fff] [ 0.020836] PM: hibernation: Registered nosave memory: [mem 0xfed18000-0xffffffff] [ 0.020844] [mem 0x80000000-0xcfffffff] available for PCI devices [ 0.020853] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1910969940391419 ns [ 0.029268] setup_percpu: NR_CPUS:64 nr_cpumask_bits:64 nr_cpu_ids:4 nr_node_ids:1 [ 0.029895] percpu: Embedded 59 pages/cpu s200848 r8192 d32624 u524288 [ 0.030002] Built 1 zonelists, mobility grouping on. Total pages: 1002002 [ 0.030013] Policy zone: Normal [ 0.030031] Kernel command line: earlyprintk=uart8250,mmio32,0xde000000,115200n8 console=ttyS2,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/8290344/extract-nfsrootfs-ir3gilit,tcp,hard ip=dhcp tftpserverip=192.168.201.1 [ 0.030989] Dentry cache hash table entries: 524288 (order: 10, 4194304 bytes, linear) [ 0.031434] Inode-cache hash table entries: 262144 (order: 9, 2097152 bytes, linear) [ 0.031501] mem auto-init: stack:off, heap alloc:off, heap free:off [ 0.064696] Memory: 3871020K/4071724K available (18450K kernel code, 3458K rwdata, 6952K rodata, 2016K init, 13324K bss, 200444K reserved, 0K cma-reserved) [ 0.064856] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1 [ 0.064916] Kernel/User page tables isolation: enabled [ 0.064990] ftrace: allocating 52738 entries in 207 pages [ 0.095110] ftrace: allocated 207 pages with 6 groups [ 0.095466] Running RCU self tests [ 0.095485] rcu: Hierarchical RCU implementation. [ 0.095489] rcu: RCU event tracing is enabled. [ 0.095493] rcu: RCU lockdep checking is enabled. [ 0.095497] rcu: RCU restricting CPUs from NR_CPUS=64 to nr_cpu_ids=4. [ 0.095501] Rude variant of Tasks RCU enabled. [ 0.095505] Tracing variant of Tasks RCU enabled. [ 0.095509] rcu: RCU calculated value of scheduler-enlistment delay is 100 jiffies. [ 0.095513] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=4 [ 0.103971] NR_IRQS: 4352, nr_irqs: 1024, preallocated irqs: 16 [ 0.104418] random: crng init done [ 0.104535] Console: colour dummy device 80x25 [ 0.173448] printk: console [ttyS2] enabled [ 0.173813] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 0.174459] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 0.174806] ... MAX_LOCK_DEPTH: 48 [ 0.175170] ... MAX_LOCKDEP_KEYS: 8192 [ 0.175538] ... CLASSHASH_SIZE: 4096 [ 0.175906] ... MAX_LOCKDEP_ENTRIES: 32768 [ 0.176290] ... MAX_LOCKDEP_CHAINS: 65536 [ 0.176666] ... CHAINHASH_SIZE: 32768 [ 0.177051] memory used by lock dependency info: 6365 kB [ 0.177503] memory used for stack traces: 4224 kB [ 0.177918] per task-struct memory footprint: 1920 bytes [ 0.178447] ACPI: Core revision 20200925 [ 0.179076] clocksource: hpet: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 99544814920 ns [ 0.179917] APIC: Switch to symmetric I/O mode setup [ 0.184934] ..TIMER: vector=0x30 apic1=0 pin1=2 apic2=-1 pin2=-1 [ 0.189907] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0xfc66f4fc7c, max_idle_ns: 440795224246 ns [ 0.190801] Calibrating delay loop (skipped), value calculated using timer frequency.. 2188.80 BogoMIPS (lpj=1094400) [ 0.191787] pid_max: default: 32768 minimum: 301 [ 0.192864] LSM: Security Framework initializing [ 0.193282] SELinux: Initializing. [ 0.193832] LSM support for eBPF active [ 0.194203] Mount-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) [ 0.194801] Mountpoint-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) [ 0.196834] mce: CPU0: Thermal monitoring enabled (TM1) [ 0.197377] Last level iTLB entries: 4KB 48, 2MB 0, 4MB 0 [ 0.197786] Last level dTLB entries: 4KB 0, 2MB 0, 4MB 0, 1GB 0 [ 0.198300] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization [ 0.198788] Spectre V2 : Mitigation: Retpolines [ 0.199173] Spectre V2 : Spectre v2 / SpectreRSB mitigation: Filling RSB on context switch [ 0.199786] Spectre V2 : Spectre v2 / SpectreRSB : Filling RSB on VMEXIT [ 0.200354] Speculative Store Bypass: Vulnerable [ 0.218132] ------------[ cut here ]------------ [ 0.218554] missing return thunk: lkdtm_rodata_do_nothing+0x0/0x10-lkdtm_rodata_do_nothing+0x5/0x10: e9 00 00 00 00 [ 0.218566] WARNING: CPU: 0 PID: 0 at arch/x86/kernel/alternative.c:712 apply_returns+0x1f5/0x220 [ 0.219786] Modules linked in: [ 0.220058] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.10.158-cip21 #1 [ 0.220786] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 0.221292] RIP: 0010:apply_returns+0x1f5/0x220 [ 0.221788] 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 d8 e1 6e a1 c6 05 cc 46 e4 01 01 e8 55 86 e5 00 <0f> 0b e9 b9 fe ff ff 44 89 f9 c7 00 cc cc cc cc c7 44 08 fc cc cc [ 0.222786] RSP: 0000:ffffffffa1a03de0 EFLAGS: 00010282 [ 0.223787] RAX: 0000000000000000 RBX: ffffffffa24cf044 RCX: 0000000000000000 [ 0.224383] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff9ff7a891 [ 0.224786] RBP: ffffffffa13ce140 R08: 0000000000000001 R09: 0000000000000001 [ 0.225385] R10: ffffffffa1a8fcc0 R11: 3fffffffffffffff R12: ffffffffa24e61a8 [ 0.225787] R13: cccccccccccccccc R14: ffffffffa13ce145 R15: 0000000000000004 [ 0.226788] FS: 0000000000000000(0000) GS:ffffa079bbc00000(0000) knlGS:0000000000000000 [ 0.227468] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 0.227786] CR2: ffffa07964001000 CR3: 0000000122826000 CR4: 00000000003506f0 [ 0.228390] Call Trace: [ 0.228812] alternative_instructions+0x7d/0x143 [ 0.229220] check_bugs+0xece/0xf2a [ 0.229527] start_kernel+0x517/0x54d [ 0.229793] secondary_startup_64_no_verify+0xc2/0xcb [ 0.230241] irq event stamp: 89375 [ 0.230537] hardirqs last enabled at (89383): [] console_unlock+0x4d1/0x5f0 [ 0.230787] hardirqs last disabled at (89394): [] console_unlock+0x444/0x5f0 [ 0.231788] softirqs last enabled at (89404): [] irq_enter_rcu+0x71/0x80 [ 0.232788] softirqs last disabled at (89415): [] irq_enter_rcu+0x56/0x80 [ 0.233502] ---[ end trace c11ce2c5dc035d3d ]--- [ 0.242566] Freeing SMP alternatives memory: 44K [ 0.244201] smpboot: CPU0: Intel(R) Pentium(R) CPU N4200 @ 1.10GHz (family: 0x6, model: 0x5c, stepping: 0x9) [ 0.245555] Performance Events: PEBS fmt3+, Goldmont events, 32-deep LBR, full-width counters, Intel PMU driver. [ 0.245799] ... version: 4 [ 0.246149] ... bit width: 48 [ 0.246499] ... generic registers: 4 [ 0.246789] ... value mask: 0000ffffffffffff [ 0.247244] ... max period: 00007fffffffffff [ 0.247690] ... fixed-purpose events: 3 [ 0.247788] ... event mask: 000000070000000f [ 0.248760] rcu: Hierarchical SRCU implementation. [ 0.250602] smp: Bringing up secondary CPUs ... [ 0.251636] x86: Booting SMP configuration: [ 0.251804] .... node #0, CPUs: #1 #2 #3 [ 0.254949] smp: Brought up 1 node, 4 CPUs [ 0.255793] smpboot: Max logical packages: 1 [ 0.256168] smpboot: Total of 4 processors activated (8755.20 BogoMIPS) [ 0.258151] devtmpfs: initialized [ 0.259172] x86/mm: Memory block size: 128MB [ 0.263832] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1911260446275000 ns [ 0.263832] futex hash table entries: 1024 (order: 5, 131072 bytes, linear) [ 0.264891] pinctrl core: initialized pinctrl subsystem [ 0.265707] PM: RTC time: 16:16:32, date: 2022-12-08 [ 0.267354] NET: Registered protocol family 16 [ 0.268496] audit: initializing netlink subsys (disabled) [ 0.268880] audit: type=2000 audit(1670516192.083:1): state=initialized audit_enabled=0 res=1 [ 0.269568] thermal_sys: Registered thermal governor 'step_wise' [ 0.269580] thermal_sys: Registered thermal governor 'user_space' [ 0.269902] cpuidle: using governor menu [ 0.272044] ACPI: bus type PCI registered [ 0.272179] PCI: MMCONFIG for domain 0000 [bus 00-ff] at [mem 0xe0000000-0xefffffff] (base 0xe0000000) [ 0.272795] PCI: MMCONFIG at [mem 0xe0000000-0xefffffff] reserved in E820 [ 0.273423] PCI: Using configuration type 1 for base access [ 0.297922] Kprobes globally optimized [ 0.298947] HugeTLB registered 1.00 GiB page size, pre-allocated 0 pages [ 0.298947] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages [ 0.299831] cryptomgr_test (39) used greatest stack depth: 14880 bytes left [ 0.304147] ACPI: Added _OSI(Module Device) [ 0.304518] ACPI: Added _OSI(Processor Device) [ 0.304801] ACPI: Added _OSI(3.0 _SCP Extensions) [ 0.305201] ACPI: Added _OSI(Processor Aggregator Device) [ 0.305671] ACPI: Added _OSI(Linux-Dell-Video) [ 0.305790] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio) [ 0.306240] ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics) [ 0.315600] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 0.322261] ACPI: EC: EC started [ 0.322570] ACPI: EC: interrupt blocked [ 0.324443] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62 [ 0.324794] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC used to handle transactions [ 0.325420] ACPI: Interpreter enabled [ 0.325797] ACPI: (supports S0 S3 S5) [ 0.326116] ACPI: Using IOAPIC for interrupt routing [ 0.326597] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug [ 0.327653] ACPI: Enabled 1 GPEs in block 00 to 7F [ 0.331820] ACPI: Power Resource [PXP] (on) [ 0.355761] ACPI: Power Resource [PRIC] (on) [ 0.383308] ACPI: Power Resource [PRIC] (on) [ 0.454186] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 0.454722] acpi PNP0A08:00: _OSC: OS supports [ExtendedConfig ASPM ClockPM Segments MSI HPX-Type3] [ 0.455082] acpi PNP0A08:00: _OSC: OS now controls [PME PCIeCapability LTR] [ 0.456455] PCI host bridge to bus 0000:00 [ 0.456792] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 0.457371] pci_bus 0000:00: root bus resource [io 0x1000-0xffff window] [ 0.457790] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 0.458426] pci_bus 0000:00: root bus resource [mem 0x7b800000-0x7fffffff window] [ 0.459791] pci_bus 0000:00: root bus resource [mem 0x80000000-0xe0000000 window] [ 0.460428] pci_bus 0000:00: root bus resource [bus 00-ff] [ 0.460872] pci 0000:00:00.0: [8086:5af0] type 00 class 0x060000 [ 0.462309] pci 0000:00:00.1: [8086:5a8c] type 00 class 0x118000 [ 0.462828] pci 0000:00:00.1: reg 0x10: [mem 0xc2b10000-0xc2b17fff 64bit] [ 0.464085] pci 0000:00:00.2: [8086:5a8e] type 00 class 0x130000 [ 0.464616] pci 0000:00:00.2: reg 0x10: [mem 0xc2800000-0xc28fffff 64bit] [ 0.464805] pci 0000:00:00.2: reg 0x18: [mem 0xc2000000-0xc27fffff 64bit] [ 0.465395] pci 0000:00:00.2: reg 0x20: [mem 0xc2b38000-0xc2b381ff 64bit] [ 0.466271] pci 0000:00:02.0: [8086:5a84] type 00 class 0x030000 [ 0.466804] pci 0000:00:02.0: reg 0x10: [mem 0xc0000000-0xc0ffffff 64bit] [ 0.467394] pci 0000:00:02.0: reg 0x18: [mem 0xb0000000-0xbfffffff 64bit pref] [ 0.468803] pci 0000:00:02.0: reg 0x20: [io 0x1000-0x103f] [ 0.469795] pci 0000:00:03.0: [8086:5a88] type 00 class 0x048000 [ 0.470323] pci 0000:00:03.0: reg 0x10: [mem 0xc1000000-0xc1ffffff 64bit] [ 0.471369] pci 0000:00:0e.0: [8086:5a98] type 00 class 0x040100 [ 0.471824] pci 0000:00:0e.0: reg 0x10: [mem 0xc2b18000-0xc2b1bfff 64bit] [ 0.472453] pci 0000:00:0e.0: reg 0x20: [mem 0xc2900000-0xc29fffff 64bit] [ 0.472918] pci 0000:00:0e.0: PME# supported from D0 D3hot D3cold [ 0.474158] pci 0000:00:0f.0: [8086:5a9a] type 00 class 0x078000 [ 0.474714] pci 0000:00:0f.0: reg 0x10: [mem 0xc2b1e000-0xc2b1efff 64bit] [ 0.475957] pci 0000:00:0f.0: PME# supported from D3hot [ 0.476927] pci 0000:00:14.0: [8086:5ad6] type 01 class 0x060400 [ 0.477652] pci 0000:00:14.0: PME# supported from D0 D3hot D3cold [ 0.478468] pci 0000:00:15.0: [8086:5aa8] type 00 class 0x0c0330 [ 0.478824] pci 0000:00:15.0: reg 0x10: [mem 0xc2b00000-0xc2b0ffff 64bit] [ 0.479560] pci 0000:00:15.0: PME# supported from D3hot D3cold [ 0.480446] pci 0000:00:16.0: [8086:5aac] type 00 class 0x118000 [ 0.481827] pci 0000:00:16.0: reg 0x10: [mem 0xc2b21000-0xc2b21fff 64bit] [ 0.482430] pci 0000:00:16.0: reg 0x18: [mem 0xc2b22000-0xc2b22fff 64bit] [ 0.483459] pci 0000:00:16.1: [8086:5aae] type 00 class 0x118000 [ 0.483828] pci 0000:00:16.1: reg 0x10: [mem 0xc2b23000-0xc2b23fff 64bit] [ 0.484430] pci 0000:00:16.1: reg 0x18: [mem 0xc2b24000-0xc2b24fff 64bit] [ 0.485452] pci 0000:00:16.2: [8086:5ab0] type 00 class 0x118000 [ 0.485828] pci 0000:00:16.2: reg 0x10: [mem 0xc2b25000-0xc2b25fff 64bit] [ 0.486431] pci 0000:00:16.2: reg 0x18: [mem 0xc2b26000-0xc2b26fff 64bit] [ 0.488481] pci 0000:00:16.3: [8086:5ab2] type 00 class 0x118000 [ 0.488828] pci 0000:00:16.3: reg 0x10: [mem 0xc2b27000-0xc2b27fff 64bit] [ 0.489430] pci 0000:00:16.3: reg 0x18: [mem 0xc2b28000-0xc2b28fff 64bit] [ 0.490491] pci 0000:00:17.0: [8086:5ab4] type 00 class 0x118000 [ 0.490827] pci 0000:00:17.0: reg 0x10: [mem 0xc2b29000-0xc2b29fff 64bit] [ 0.491425] pci 0000:00:17.0: reg 0x18: [mem 0xc2b2a000-0xc2b2afff 64bit] [ 0.492464] pci 0000:00:17.1: [8086:5ab6] type 00 class 0x118000 [ 0.493828] pci 0000:00:17.1: reg 0x10: [mem 0xc2b2b000-0xc2b2bfff 64bit] [ 0.494426] pci 0000:00:17.1: reg 0x18: [mem 0xc2b2c000-0xc2b2cfff 64bit] [ 0.495492] pci 0000:00:18.0: [8086:5abc] type 00 class 0x118000 [ 0.495830] pci 0000:00:18.0: reg 0x10: [mem 0xc2b2d000-0xc2b2dfff 64bit] [ 0.496430] pci 0000:00:18.0: reg 0x18: [mem 0xc2b2e000-0xc2b2efff 64bit] [ 0.497456] pci 0000:00:18.1: [8086:5abe] type 00 class 0x118000 [ 0.497834] pci 0000:00:18.1: reg 0x10: [mem 0xc2b2f000-0xc2b2ffff 64bit] [ 0.498432] pci 0000:00:18.1: reg 0x18: [mem 0xc2b30000-0xc2b30fff 64bit] [ 0.500457] pci 0000:00:18.2: [8086:5ac0] type 00 class 0x118000 [ 0.500839] pci 0000:00:18.2: reg 0x10: [mem 0xde000000-0xde000fff 64bit] [ 0.501440] pci 0000:00:18.2: reg 0x18: [mem 0xc2b31000-0xc2b31fff 64bit] [ 0.502484] pci 0000:00:19.0: [8086:5ac2] type 00 class 0x118000 [ 0.502829] pci 0000:00:19.0: reg 0x10: [mem 0xc2b32000-0xc2b32fff 64bit] [ 0.503431] pci 0000:00:19.0: reg 0x18: [mem 0xc2b33000-0xc2b33fff 64bit] [ 0.504504] pci 0000:00:1b.0: [8086:5aca] type 00 class 0x080501 [ 0.505821] pci 0000:00:1b.0: reg 0x10: [mem 0xc2b34000-0xc2b34fff 64bit] [ 0.506421] pci 0000:00:1b.0: reg 0x18: [mem 0xc2b35000-0xc2b35fff 64bit] [ 0.507438] pci 0000:00:1c.0: [8086:5acc] type 00 class 0x080501 [ 0.507821] pci 0000:00:1c.0: reg 0x10: [mem 0xc2b36000-0xc2b36fff 64bit] [ 0.508422] pci 0000:00:1c.0: reg 0x18: [mem 0xc2b37000-0xc2b37fff 64bit] [ 0.509570] pci 0000:00:1f.0: [8086:5ae8] type 00 class 0x060100 [ 0.511661] pci 0000:00:1f.1: [8086:5ad4] type 00 class 0x0c0500 [ 0.511863] pci 0000:00:1f.1: reg 0x10: [mem 0xc2b39000-0xc2b390ff 64bit] [ 0.512530] pci 0000:00:1f.1: reg 0x20: [io 0x1040-0x105f] [ 0.514051] pci 0000:01:00.0: [8086:095a] type 00 class 0x028000 [ 0.515008] pci 0000:01:00.0: reg 0x10: [mem 0xc2a00000-0xc2a01fff 64bit] [ 0.516021] pci 0000:01:00.0: Upstream bridge's Max Payload Size set to 128 (was 256, max 256) [ 0.516935] pci 0000:01:00.0: Max Payload Size set to 128 (was 128, max 128) [ 0.518662] pci 0000:01:00.0: PME# supported from D0 D3hot D3cold [ 0.521577] pci 0000:00:14.0: PCI bridge to [bus 01] [ 0.521803] pci 0000:00:14.0: bridge window [mem 0xc2a00000-0xc2afffff] [ 0.529760] ACPI: EC: interrupt unblocked [ 0.529790] ACPI: EC: event unblocked [ 0.530134] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62 [ 0.530575] ACPI: EC: GPE=0x2b [ 0.530793] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC initialization complete [ 0.531388] ACPI: \_SB_.PCI0.LPCB.EC0_: EC: Used to handle transactions and events [ 0.533308] iommu: Default domain type: Translated [ 0.533983] pci 0000:00:02.0: vgaarb: setting as boot VGA device [ 0.534395] pci 0000:00:02.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none [ 0.534816] pci 0000:00:02.0: vgaarb: bridge control possible [ 0.535309] vgaarb: loaded [ 0.536093] SCSI subsystem initialized [ 0.536866] ACPI: bus type USB registered [ 0.537342] usbcore: registered new interface driver usbfs [ 0.537848] usbcore: registered new interface driver hub [ 0.538340] usbcore: registered new device driver usb [ 0.538913] pps_core: LinuxPPS API ver. 1 registered [ 0.539343] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 0.540802] PTP clock support registered [ 0.541842] Advanced Linux Sound Architecture Driver Initialized. [ 0.543276] NetLabel: Initializing [ 0.543580] NetLabel: domain hash size = 128 [ 0.543789] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO [ 0.544341] NetLabel: unlabeled traffic allowed by default [ 0.544904] PCI: Using ACPI for IRQ routing [ 0.576369] Expanded resource Reserved due to conflict with PCI Bus 0000:00 [ 0.576877] hpet0: at MMIO 0xfed00000, IRQs 2, 8, 0, 0, 0, 0, 0, 0 [ 0.577430] hpet0: 8 comparators, 64-bit 19.200000 MHz counter [ 0.579897] clocksource: Switched to clocksource tsc-early [ 1.004595] VFS: Disk quotas dquot_6.6.0 [ 1.005007] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 1.006006] pnp: PnP ACPI init [ 1.007102] system 00:00: [io 0x0900-0x09fe] has been reserved [ 1.007910] system 00:01: [io 0x0200] has been reserved [ 1.008367] system 00:01: [io 0x0204] has been reserved [ 1.008844] system 00:01: [io 0x0800-0x087f] has been reserved [ 1.009353] system 00:01: [io 0x0880-0x08ff] has been reserved [ 1.012112] pnp: PnP ACPI: found 3 devices [ 1.027391] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns [ 1.028283] NET: Registered protocol family 2 [ 1.028868] IP idents hash table entries: 65536 (order: 7, 524288 bytes, linear) [ 1.030994] tcp_listen_portaddr_hash hash table entries: 2048 (order: 5, 163840 bytes, linear) [ 1.031998] TCP established hash table entries: 32768 (order: 6, 262144 bytes, linear) [ 1.032937] TCP bind hash table entries: 32768 (order: 9, 2359296 bytes, linear) [ 1.035522] TCP: Hash tables configured (established 32768 bind 32768) [ 1.036594] MPTCP token hash table entries: 4096 (order: 6, 360448 bytes, linear) [ 1.037562] UDP hash table entries: 2048 (order: 6, 327680 bytes, linear) [ 1.038436] UDP-Lite hash table entries: 2048 (order: 6, 327680 bytes, linear) [ 1.039522] NET: Registered protocol family 1 [ 1.040741] RPC: Registered named UNIX socket transport module. [ 1.041308] RPC: Registered udp transport module. [ 1.041707] RPC: Registered tcp transport module. [ 1.042131] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 1.043251] NET: Registered protocol family 44 [ 1.043659] pci 0000:00:14.0: PCI bridge to [bus 01] [ 1.044120] pci 0000:00:14.0: bridge window [mem 0xc2a00000-0xc2afffff] [ 1.044712] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7 window] [ 1.045250] pci_bus 0000:00: resource 5 [io 0x1000-0xffff window] [ 1.045780] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window] [ 1.046434] pci_bus 0000:00: resource 7 [mem 0x7b800000-0x7fffffff window] [ 1.047032] pci_bus 0000:00: resource 8 [mem 0x80000000-0xe0000000 window] [ 1.047616] pci_bus 0000:01: resource 1 [mem 0xc2a00000-0xc2afffff] [ 1.048401] pci 0000:00:02.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff] [ 1.051767] PCI: CLS 64 bytes, default 64 [ 1.052619] Unpacking initramfs... [ 1.278979] Freeing initrd memory: 8444K [ 1.279330] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) [ 1.279893] software IO TLB: mapped [mem 0x00000000769fd000-0x000000007a9fd000] (64MB) [ 1.280862] RAPL PMU: API unit is 2^-32 Joules, 4 fixed counters, 655360 ms ovfl timer [ 1.281530] RAPL PMU: hw unit of domain pp0-core 2^-14 Joules [ 1.282110] RAPL PMU: hw unit of domain package 2^-14 Joules [ 1.282590] RAPL PMU: hw unit of domain dram 2^-14 Joules [ 1.283069] RAPL PMU: hw unit of domain pp1-gpu 2^-14 Joules [ 1.284830] kvm: already loaded the other module [ 1.285233] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0xfc66f4fc7c, max_idle_ns: 440795224246 ns [ 1.286142] clocksource: Switched to clocksource tsc [ 1.286659] platform rtc_cmos: registered platform RTC device (no PNP device found) [ 1.289746] check: Scanning for low memory corruption every 60 seconds [ 1.292928] Initialise system trusted keyrings [ 1.293615] workingset: timestamp_bits=56 max_order=20 bucket_order=0 [ 1.312362] NFS: Registering the id_resolver key type [ 1.312854] Key type id_resolver registered [ 1.313247] Key type id_legacy registered [ 1.325049] Key type asymmetric registered [ 1.325451] Asymmetric key parser 'x509' registered [ 1.325962] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 249) [ 1.326604] io scheduler mq-deadline registered [ 1.327005] io scheduler kyber registered [ 1.327610] test_firmware: interface ready [ 1.328826] pcieport 0000:00:14.0: PME: Signaling with IRQ 120 [ 1.330573] ACPI: AC Adapter [AC] (on-line) [ 1.331281] input: Lid Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:14/PNP0C09:00/PNP0C0D:00/input/input0 [ 1.332843] ACPI: Lid Switch [LID0] [ 1.333343] input: Power Button as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0C:00/input/input1 [ 1.334216] ACPI: Power Button [PWRB] [ 1.334734] input: Sleep Button as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0E:00/input/input2 [ 1.335638] ACPI: Sleep Button [SLP] [ 1.336173] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input3 [ 1.336990] ACPI: Power Button [PWRF] [ 1.337560] ACPI: \_PR_.CP00: Found 3 idle states [ 1.338713] ACPI: \_PR_.CP01: Found 3 idle states [ 1.339589] ACPI: \_PR_.CP02: Found 3 idle states [ 1.340460] ACPI: \_PR_.CP03: Found 3 idle states [ 1.343038] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 1.345746] Non-volatile memory driver v1.3 [ 1.345768] battery: ACPI: Battery Slot [BAT0] (battery present) [ 1.346261] Linux agpgart interface v0.103 [ 1.350196] i915 0000:00:02.0: vgaarb: deactivate vga console [ 1.404310] i915 0000:00:02.0: Invalid PCI ROM header signature: expecting 0xaa55, got 0xc98f [ 1.405092] i915 0000:00:02.0: [drm] Failed to find VBIOS tables (VBT) [ 1.405829] i915 0000:00:02.0: vgaarb: changed VGA decodes: olddecodes=io+mem,decodes=io+mem:owns=io+mem [ 1.407138] i915 0000:00:02.0: Direct firmware load for i915/bxt_dmc_ver1_07.bin failed with error -2 [ 1.408019] i915 0000:00:02.0: [drm] Failed to load DMC firmware i915/bxt_dmc_ver1_07.bin. Disabling runtime power management. [ 1.409004] i915 0000:00:02.0: [drm] DMC firmware homepage: https://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git/tree/i915 [ 1.457296] [drm] Initialized i915 1.6.0 20200917 for 0000:00:02.0 on minor 0 [ 1.461134] [drm] Initialized vgem 1.0.0 20120112 for vgem on minor 1 [ 1.477344] loop: module loaded [ 1.478354] lkdtm: No crash points registered, enable through debugfs [ 1.530624] dw-apb-uart.6: ttyS0 at MMIO 0xc2b2d000 (irq = 4, base_baud = 115200) is a 16550A [ 1.534325] dw-apb-uart.7: ttyS1 at MMIO 0xc2b2f000 (irq = 5, base_baud = 115200) is a 16550A [ 1.537580] printk: console [ttyS2] disabled [ 1.538279] dw-apb-uart.8: ttyS2 at MMIO 0xde000000 (irq = 6, base_baud = 114825) is a 16550A [ 4.620231] printk: console [ttyS2] enabled [ 4.620260] fbcon: i915drmfb (fb0) is primary device [ 4.622712] pxa2xx-spi pxa2xx-spi.9: no DMA channels available, using PIO [ 4.630813] e100: Intel(R) PRO/100 Network Driver [ 4.630817] e100: Copyright(c) 1999-2006 Intel Corporation [ 4.630870] e1000: Intel(R) PRO/1000 Network Driver [ 4.630872] e1000: Copyright (c) 1999-2006 Intel Corporation. [ 4.630952] e1000e: Intel(R) PRO/1000 Network Driver [ 4.630954] e1000e: Copyright(c) 1999 - 2015 Intel Corporation. [ 4.631027] sky2: driver version 1.30 [ 4.631305] usbcore: registered new interface driver r8152 [ 4.631862] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver [ 4.631883] ehci-pci: EHCI PCI platform driver [ 4.631949] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver [ 4.631964] ohci-pci: OHCI PCI platform driver [ 4.632016] uhci_hcd: USB Universal Host Controller Interface driver [ 4.633465] xhci_hcd 0000:00:15.0: xHCI Host Controller [ 4.634280] xhci_hcd 0000:00:15.0: new USB bus registered, assigned bus number 1 [ 4.635527] xhci_hcd 0000:00:15.0: hcc params 0x200077c1 hci version 0x100 quirks 0x0000000081109810 [ 4.635585] xhci_hcd 0000:00:15.0: cache line size of 64 is not supported [ 4.637539] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.10 [ 4.637555] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 4.637558] usb usb1: Product: xHCI Host Controller [ 4.637561] usb usb1: Manufacturer: Linux 5.10.158-cip21 xhci-hcd [ 4.637563] usb usb1: SerialNumber: 0000:00:15.0 [ 4.638916] hub 1-0:1.0: USB hub found [ 4.639026] hub 1-0:1.0: 8 ports detected [ 4.640910] xhci_hcd 0000:00:15.0: xHCI Host Controller [ 4.641377] xhci_hcd 0000:00:15.0: new USB bus registered, assigned bus number 2 [ 4.641391] xhci_hcd 0000:00:15.0: Host supports USB 3.0 SuperSpeed [ 4.641683] usb usb2: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.10 [ 4.641689] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 4.641692] usb usb2: Product: xHCI Host Controller [ 4.641695] usb usb2: Manufacturer: Linux 5.10.158-cip21 xhci-hcd [ 4.641697] usb usb2: SerialNumber: 0000:00:15.0 [ 4.642641] hub 2-0:1.0: USB hub found [ 4.642716] hub 2-0:1.0: 7 ports detected [ 4.644366] usbcore: registered new interface driver usblp [ 4.644420] usbcore: registered new interface driver usb-storage [ 4.644822] udc-core: couldn't find an available UDC - added [g_ether] to list of pending drivers [ 4.644931] i8042: PNP: PS/2 Controller [PNP0303:PS2K] at 0x60,0x64 irq 1 [ 4.644934] i8042: PNP: PS/2 appears to have AUX port disabled, if this is incorrect please boot with i8042.nopnp [ 4.645494] i8042: Warning: Keylock active [ 4.645742] serio: i8042 KBD port at 0x60,0x64 irq 1 [ 4.647882] rtc_cmos rtc_cmos: RTC can wake from S4 [ 4.649606] rtc_cmos rtc_cmos: registered as rtc0 [ 4.649817] rtc_cmos rtc_cmos: alarms up to one month, 114 bytes nvram, hpet irqs [ 4.650914] input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input4 [ 4.652686] i801_smbus 0000:00:1f.1: can't derive routing for PCI INT A [ 4.652691] i801_smbus 0000:00:1f.1: PCI INT A: no GSI [ 4.652726] i801_smbus 0000:00:1f.1: SPD Write Disable is set [ 4.652779] genirq: Flags mismatch irq 0. 00000080 (i801_smbus) vs. 00015a00 (timer) [ 4.652815] i801_smbus 0000:00:1f.1: Failed to allocate irq 0: -16 [ 4.652818] i801_smbus 0000:00:1f.1: SMBus using polling [ 4.653657] device-mapper: ioctl: 4.43.0-ioctl (2020-10-01) initialised: dm-devel@redhat.com [ 4.653694] intel_pstate: Intel P-state driver initializing [ 4.656440] sdhci: Secure Digital Host Controller Interface driver [ 4.656447] sdhci: Copyright(c) Pierre Ossman [ 4.656660] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) [ 4.666729] sdhci-pci 0000:00:1c.0: SDHCI controller found [8086:5acc] (rev b) [ 4.670401] Console: switching to colour frame buffer device 240x67 [ 4.673479] mmc0: SDHCI controller on PCI [0000:00:1c.0] using ADMA 64-bit [ 4.674493] hid: raw HID events driver (C) Jiri Kosina [ 4.677215] usbcore: registered new interface driver usbhid [ 4.677221] usbhid: USB HID core driver [ 4.679739] input: Tablet Mode Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:14/PNP0C09:00/GOOG0006:00/input/input5 [ 4.687408] cros_ec_lpcs GOOG0004:00: Chrome EC device registered [ 4.690764] snd_hda_intel 0000:00:0e.0: DSP detected with PCI class/subclass/prog-if info 0x040100 [ 4.696632] snd_hda_intel 0000:00:0e.0: bound 0000:00:02.0 (ops i915_audio_component_bind_ops) [ 4.698449] ipip: IPv4 and MPLS over IPv4 tunneling driver [ 4.700139] gre: GRE over IPv4 demultiplexor driver [ 4.700146] ip_gre: GRE over IPv4 tunneling driver [ 4.704225] IPv4 over IPsec tunneling driver [ 4.705633] Initializing XFRM netlink socket [ 4.708555] NET: Registered protocol family 10 [ 4.712534] i915 0000:00:02.0: [drm] fb0: i915drmfb frame buffer device [ 4.723209] Segment Routing with IPv6 [ 4.826418] mmc0: new HS400 MMC card at address 0001 [ 4.832585] ip6_gre: GRE over IPv6 tunneling driver [ 4.837612] snd_hda_intel 0000:00:0e.0: Cannot probe codecs, giving up [ 4.847041] NET: Registered protocol family 17 [ 4.857214] mmcblk0: mmc0:0001 TA2964 58.3 GiB [ 4.859937] Key type dns_resolver registered [ 4.870506] mmcblk0boot0: mmc0:0001 TA2964 partition 1 4.00 MiB [ 4.951904] usb 1-5: new high-speed USB device number 2 using xhci_hcd [ 5.276254] microcode: sig=0x506c9, pf=0x1, revision=0x2c [ 5.282507] microcode: Microcode Update Driver: v2.2. [ 5.282532] IPI shorthand broadcast: enabled [ 5.293157] mmcblk0boot1: mmc0:0001 TA2964 partition 2 4.00 MiB [ 5.293210] sched_clock: Marking stable (5211605118, 81425274)->(5299197876, -6167484) [ 5.300544] mmcblk0rpmb: mmc0:0001 TA2964 partition 3 4.00 MiB, chardev (246:0) [ 5.317905] registered taskstats version 1 [ 5.322579] Loading compiled-in X.509 certificates [ 5.339203] mmcblk0: p1 p2 p3 p4 p5 p6 p7 p8 p9 p10 p11 p12 [ 5.343974] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) [ 5.365763] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) [ 5.383580] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) [ 5.400683] PM: Magic number: 2:56:287 [ 5.405907] tty tty20: hash matches [ 5.411948] printk: console [netcon0] enabled [ 5.416902] netconsole: network logging started [ 5.427130] IP-Config: Failed to open gretap0 [ 5.432211] IP-Config: Failed to open erspan0 [ 5.437187] IP-Config: No network devices available [ 5.442893] cfg80211: Loading compiled-in X.509 certificates for regulatory database [ 5.454072] usb 1-5: New USB device found, idVendor=0408, idProduct=3090, bcdDevice= 0.04 [ 5.463512] usb 1-5: New USB device strings: Mfr=3, Product=1, SerialNumber=2 [ 5.467398] modprobe (100) used greatest stack depth: 14120 bytes left [ 5.471566] usb 1-5: Product: USB2.0 HD UVC WebCam [ 5.484408] usb 1-5: Manufacturer: Quanta [ 5.484954] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7' [ 5.488949] usb 1-5: SerialNumber: 0x0001 [ 5.497460] platform regulatory.0: Direct firmware load for regulatory.db failed with error -2 [ 5.501217] ALSA device list: [ 5.508744] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) [ 5.510829] cfg80211: failed to load regulatory.db [ 5.514005] No soundcards found. [ 5.533087] dw-apb-uart dw-apb-uart.8: forbid DMA for kernel console [ 5.555001] usb 2-2: new SuperSpeed Gen 1 USB device number 2 using xhci_hcd [ 5.556701] Freeing unused kernel image (initmem) memory: 2016K [ 5.577927] usb 2-2: New USB device found, idVendor=0bda, idProduct=8153, bcdDevice=31.00 [ 5.578918] Write protecting the kernel read-only data: 28672k [ 5.587166] usb 2-2: New USB device strings: Mfr=1, Product=2, SerialNumber=6 [ 5.601783] usb 2-2: Product: USB 10/100/1000 LAN [ 5.607146] usb 2-2: Manufacturer: Realtek [ 5.611830] usb 2-2: SerialNumber: 001000001 [ 5.617984] Freeing unused kernel image (text/rodata gap) memory: 2028K [ 5.625706] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) [ 5.635515] Freeing unused kernel image (rodata/data gap) memory: 1240K [ 5.643494] Run /init as init process [ 5.674766] cat (110) used greatest stack depth: 13800 bytes left Loading, please wait... [ 5.690886] usb 1-6: new full-speed USB device number 3 using xhci_hcd Starting version 247.3-7+deb11u1 [ 5.747484] systemd-udevd (122) used greatest stack depth: 13576 bytes left [ 5.828109] usb 1-6: New USB device found, idVendor=8087, idProduct=0a2a, bcdDevice= 0.03 [ 5.837382] usb 1-6: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 5.853349] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) [ 5.944181] usb 2-2: reset SuperSpeed Gen 1 USB device number 2 using xhci_hcd [ 5.994706] r8152 2-2:1.0: load rtl8153b-2 v1 10/23/19 successfully [ 6.038361] r8152 2-2:1.0 eth0: v1.11.11 [ 6.044580] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) [ 6.122965] r8152 2-2:1.0 enx00e04c680ade: renamed from eth0 [ 7.009274] cros-usbpd-notify-acpi GOOG0003:00: Couldn't get Chrome EC device pointer. [ 7.019500] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) [ 7.169052] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) [ 7.388246] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) [ 7.408603] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) 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 ... done. IP-Config: enx00e04c680ade hardware address 00:e0:4c:68:0a:de mtu 1500 DHCP IP-Config: gretap0 hardware address 00:00:00:00:00:00 mtu 1462 DHCP SIOCSIFFLAGS: Cannot assign requested address IP-Config: erspan0 hardware address 00:00:00:00:00:00 mtu 1450 DHCP SIOCSIFFLAGS: Cannot assign requested address [ 7.639170] IPv6: ADDRCONF(NETDEV_CHANGE): enx00e04c680ade: link becomes ready [ 7.649017] r8152 2-2:1.0 enx00e04c680ade: carrier on IP-Config: no response after 2 secs - giving up IP-Config: enx00e04c680ade hardware address 00:e0:4c:68:0a:de mtu 1500 DHCP IP-Config: gretap0 hardware address 00:00:00:00:00:00 mtu 1462 DHCP SIOCSIFFLAGS: Cannot assign requested address IP-Config: erspan0 hardware address 00:00:00:00:00:00 mtu 1450 DHCP SIOCSIFFLAGS: Cannot assign requested address IP-Config: enx00e04c680ade complete (dhcp from 192.168.201.1): address: 192.168.201.16 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-C523NA-A20057-coral-cbg-2 domain : lava-rack rootserver: 192.168.201.1 rootpath: filename : [ 9.355306] nfsmount (165) used greatest stack depth: 12680 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 [ 11.106474] 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) [ 11.147649] systemd[1]: Detected architecture x86-64. Welcome to Debian GNU/Linux 11 (bullseye)! [ 11.187549] systemd[1]: Set hostname to . [ 12.594623] systemd[1]: Queued start job for default target Graphical Interface. [ 12.612960] systemd[1]: Created slice system-getty.slice. [ OK ] Created slice system-getty.slice. [ 12.632529] systemd[1]: Created slice system-modprobe.slice. [ OK ] Created slice system-modprobe.slice. [ 12.651515] systemd[1]: Created slice system-serial\x2dgetty.slice. [ OK ] Created slice system-serial\x2dgetty.slice. [ 12.670372] systemd[1]: Created slice User and Session Slice. [ OK ] Created slice User and Session Slice. [ 12.688960] systemd[1]: Started Dispatch Password Requests to Console Directory Watch. [ OK ] Started Dispatch Password …ts to Console Directory Watch. [ 12.709508] systemd[1]: Started Forward Password Requests to Wall Directory Watch. [ OK ] Started Forward Password R…uests to Wall Directory Watch. [ 12.732097] systemd[1]: Set up automount Arbitrary Executable File Formats File System Automount Point. [ OK ] Set up automount Arbitrary…s File System Automount Point. [ 12.755662] systemd[1]: Reached target Local Encrypted Volumes. [ OK ] Reached target Local Encrypted Volumes. [ 12.772623] systemd[1]: Reached target Paths. [ OK ] Reached target Paths. [ 12.784526] systemd[1]: Reached target Remote File Systems. [ OK ] Reached target Remote File Systems. [ 12.801514] systemd[1]: Reached target Slices. [ OK ] Reached target Slices. [ 12.813539] systemd[1]: Reached target Swap. [ OK ] Reached target Swap. [ 12.826896] systemd[1]: Listening on initctl Compatibility Named Pipe. [ OK ] Listening on initctl Compatibility Named Pipe. [ 12.847540] systemd[1]: Listening on Journal Audit Socket. [ OK ] Listening on Journal Audit Socket. [ 12.867920] systemd[1]: Listening on Journal Socket (/dev/log). [ OK ] Listening on Journal Socket (/dev/log). [ 12.886667] systemd[1]: Listening on Journal Socket. [ OK ] Listening on Journal Socket. [ 12.902590] systemd[1]: Listening on Network Service Netlink Socket. [ OK ] Listening on Network Service Netlink Socket. [ 12.926631] systemd[1]: Listening on udev Control Socket. [ OK ] Listening on udev Control Socket. [ 12.945220] systemd[1]: Listening on udev Kernel Socket. [ OK ] Listening on udev Kernel Socket. [ 12.969912] systemd[1]: Mounting Huge Pages File System... Mounting Huge Pages File System... [ 12.993146] systemd[1]: Mounting POSIX Message Queue File System... Mounting POSIX Message Queue File System... [ 13.017937] systemd[1]: Mounting Kernel Debug File System... Mounting Kernel Debug File System... [ 13.039148] systemd[1]: Mounting Kernel Trace File System... Mounting Kernel Trace File System... [ 13.067493] systemd[1]: Starting Create list of static device nodes for the current kernel... Starting Create list of st…odes for the current kernel... [ 13.095383] systemd[1]: Starting Load Kernel Module configfs... Starting Load Kernel Module configfs... [ 13.119103] systemd[1]: Starting Load Kernel Module drm... Starting Load Kernel Module drm... [ 13.150312] mount (193) used greatest stack depth: 12528 bytes left [ 13.150710] systemd[1]: Starting Load Kernel Module fuse... Starting Load Kernel Module fuse... [ 13.179591] systemd[1]: Condition check resulted in Set Up Additional Binary Formats being skipped. [ 13.208444] systemd[1]: Starting Journal Service... Starting Journal Service... [ 13.234893] fuse: init (API version 7.32) [ 13.241956] systemd[1]: Starting Load Kernel Modules... Starting Load Kernel Modules... [ 13.263921] systemd[1]: Starting Remount Root and Kernel File Systems... Starting Remount Root and Kernel File Systems... [ 13.292403] systemd[1]: Starting Coldplug All udev Devices... Starting Coldplug All udev Devices... [ 13.336522] systemd[1]: Mounted Huge Pages File System. [ OK ] Mounted Huge Pages File System. [ 13.351576] systemd[1]: Mounted POSIX Message Queue File System. [ OK ] Mounted POSIX Message Queue File System. [ 13.371317] systemd[1]: Mounted Kernel Debug File System. [ OK ] Mounted Kernel Debug File System. [ 13.388632] systemd[1]: Mounted Kernel Trace File System. [ OK ] Mounted Kernel Trace File System. [ 13.410399] systemd[1]: Finished Create list of static device nodes for the current kernel. [ OK ] Finished Create list of st… nodes for the current kernel. [ 13.438691] systemd[1]: modprobe@configfs.service: Succeeded. [ 13.448311] systemd[1]: Finished Load Kernel Module configfs. [ OK ] Finished Load Kernel Module configfs. [ 13.468462] systemd[1]: modprobe@drm.service: Succeeded. [ 13.477672] systemd[1]: Finished Load Kernel Module drm. [ OK ] Finished Load Kernel Module drm. [ 13.497392] systemd[1]: modprobe@fuse.service: Succeeded. [ 13.506519] systemd[1]: Finished Load Kernel Module fuse. [ OK ] Finished Load Kernel Module fuse. [ 13.526382] systemd[1]: Finished Load Kernel Modules. [ OK ] Finished Load Kernel Modules. [ 13.545386] systemd[1]: Finished Remount Root and Kernel File Systems. [ OK ] Finished Remount Root and Kernel File Systems. [ 13.572363] systemd[1]: Mounting FUSE Control File System... Mounting FUSE Control File System... [ 13.597371] systemd[1]: Mounting Kernel Configuration File System... Mounting Kernel Configuration File System... [ 13.629274] systemd[1]: Condition check resulted in Rebuild Hardware Database being skipped. [ 13.640304] systemd[1]: Condition check resulted in Platform Persistent Storage Archival being skipped. [ 13.660614] systemd[1]: Starting Load/Save Random Seed... Starting Load/Save Random Seed... [ 13.684590] systemd[1]: Starting Apply Kernel Variables... Starting Apply Kernel Variables... [ 13.715196] systemd[1]: Starting Create System Users... Starting Create System Users... [ 13.739779] systemd[1]: Mounted FUSE Control File System. [ OK ] Mounted FUSE Control File System. [ 13.765872] systemd[1]: Mounted Kernel Configuration File System. [ OK ] Mounted Kernel Configuration File System. [ 13.801376] systemd[1]: Finished Load/Save Random Seed. [ OK ] Finished Load/Save Random Seed. [ 13.819985] systemd[1]: Condition check resulted in First Boot Complete being skipped. [ 13.844940] systemd[1]: Finished Apply Kernel Variables. [ OK ] Finished Apply Kernel Variables. [ 13.977844] systemd[1]: Finished Create System Users. [ OK ] Finished Create System Users. [ 14.001230] systemd[1]: Starting Create Static Device Nodes in /dev... Starting Create Static Device Nodes in /dev... [ 14.064712] systemd[1]: Started Journal Service. [ OK ] Started Journal Service. Starting Flush Journal to Persistent Storage... [ OK ] Finished Create Static Device Nodes[ 14.192614] systemd-journald[201]: Received client request to flush runtime journal. in /dev. [ OK ] Reached target Local File Systems (Pre). [ OK ] Reached target Local File Systems. Starting Rule-based Manage…for Device Events and Files... [ OK ] Finished Coldplug All udev Devices. [ OK ] Finished Flush Journal to Persistent Storage. Starting Create Volatile Files and Directories... [ OK ] Started Rule-based Manager for Device Events and Files. Starting Network Service... [ OK ] Created slice system-systemd\x2dbacklight.slice. Starting Load/Save Screen …f backlight:intel_backlight... [ OK ] Found device Celeron N3350…3900 Series HSUART Controller. [ OK ] Listening on Load/Save RF …itch Status /dev/rfkill Watch. [ OK ] Finished Load/Save Screen … of backlight:intel_backlight. [ OK ] Finished Create Volatile Files and Directories. [ OK ] Started Network Service. Starting Network Name Resolution... Starting Network Time Synchronization... Starting Update UTMP about System Boot/Shutdown... [ OK ] Finished Update UTMP about System Boot/Shutdown. [ 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 ] 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 ttyS2. [ OK ] Reached target Login Prompts. [ OK ] Finished Remove Stale Onli…ext4 Metadata Check Snapshots. [ OK ] Started User Login Management. [ 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 ttyS2 debian-bullseye-amd64 login: root (automatic login) Linux debian-bullseye-amd64 5.10.158-cip21 #1 SMP Thu Dec 8 15:02:52 UTC 2022 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/8290344/extract-nfsrootfs-ir3gilit' export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/8290344/extract-nfsrootfs-ir3gilit' / # 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-8290344/environment . /lava-8290344/environment / # /lava-8290344/bin/lava-test-runner /lava-8290344/0 /lava-8290344/bin/lava-test-runner /lava-8290344/0 + export TESTRUN_ID=0_timesync-off + TESTRUN_ID=0_timesync-off + cd /lava-8290344/0/tests/0_timesync-off ++ cat uuid + UUID=8290344_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-8290344/0/tests/1_kselftest-lkdtm ++ cat uuid + UUID=8290344_1.5.2.3.5 + set +x + cd ./automated/linux/kselftest/ + ./kselftest.sh -c lkdtm -T '' -t kselftest_armhf.tar.gz -s false -u http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.155-cip21-405-g26d566555c3de/x86_64/x86_64_defconfig+x86-chromebook+kselftest/gcc-10/kselftest.tar.xz -L '' -S skipfile-lkft.yaml -b asus-C523NA-A20057-coral -g cip-gitlab -e '' -p /opt/kselftests/mainline/ -n 1 -i 1 INFO: Generating a skipfile based on /lava-8290344/0/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 ftrace:ftracetest net:rtnetlink.sh net:tls netfilter:bridge_brouter.sh netfilter:nft_flowtable.sh netfilter:nft_trans_stress.sh pidfd:pidfd_wait INFO: EOF INFO: Installing sed perl wget xz-utils iproute2 Hit:1 http://deb.debian.org/debian bullseye InRelease Reading package lists... Reading package lists... Building dependency tree... Reading state information... iproute2 is already the newest version (5.10.0-4). perl is already the newest version (5.32.1-4+deb11u2). sed is already the newest version (4.7-1). wget is already the newest version (1.21-1+deb11u1). xz-utils is already the newest version (5.2.5-2.1~deb11u1). 0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded. --2022-12-08 16:17:20-- http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.155-cip21-405-g26d566555c3de/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: 3544448 (3.4M) [application/octet-stream] Saving to: 'kselftest.tar.xz' kselftest.tar.xz 0%[ ] 0 --.-KB/s kselftest.tar.xz 1%[ ] 42.15K 184KB/s kselftest.tar.xz 3%[ ] 108.61K 253KB/s kselftest.tar.xz 12%[=> ] 419.71K 636KB/s kselftest.tar.xz 25%[====> ] 898.59K 1.01MB/s kselftest.tar.xz 38%[======> ] 1.32M 1.23MB/s kselftest.tar.xz 68%[============> ] 2.32M 1.82MB/s kselftest.tar.xz 72%[=============> ] 2.44M 1.63MB/s kselftest.tar.xz 100%[===================>] 3.38M 2.22MB/s in 1.5s 2022-12-08 16:17:22 (2.22 MB/s) - 'kselftest.tar.xz' saved [3544448/3544448] skiplist: ======================================== breakpoints:breakpoint_test breakpoints:step_after_suspend_test ftrace:ftracetest 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 Tests to run =============== [ 64.173552] kselftest: Running tests in lkdtm TAP version 13 1..70 # selftests: lkdtm: PANIC.sh # Skipping PANIC: crashes entire system ok 1 selftests: lkdtm: PANIC.sh # SKIP # selftests: lkdtm: BUG.sh [ 64.777539] lkdtm: Performing direct entry BUG [ 64.782897] ------------[ cut here ]------------ [ 64.788136] kernel BUG at drivers/misc/lkdtm/bugs.c:76! [ 64.794112] invalid opcode: 0000 [#1] SMP PTI [ 64.798993] CPU: 0 PID: 738 Comm: cat Tainted: G W 5.10.158-cip21 #1 [ 64.807548] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 64.814172] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 64.818560] Code: 89 ff e8 5e a6 a3 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 00 86 92 02 [ 64.839544] RSP: 0018:ffffb13cc13f7e60 EFLAGS: 00010282 [ 64.845387] RAX: ffffffffa06e0010 RBX: 0000000000000001 RCX: 0000000000000000 [ 64.853358] RDX: 0000000000000000 RSI: ffffa079bbc1bf70 RDI: ffffffffa13cdcb0 [ 64.861330] RBP: ffffffffa180b620 R08: 0000000000000001 R09: 0000000000000001 [ 64.869299] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 64.877274] R13: ffffb13cc13f7f10 R14: ffffb13cc13f7f10 R15: ffffa079437f0000 [ 64.885247] FS: 00007feb9e5fb580(0000) GS:ffffa079bbc00000(0000) knlGS:0000000000000000 [ 64.894290] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 64.900707] CR2: 00007feb9e404000 CR3: 00000001027fa000 CR4: 00000000003506f0 [ 64.908677] Call Trace: [ 64.911419] direct_entry.cold+0x2c/0x38 [ 64.915809] full_proxy_write+0x56/0x80 [ 64.920099] vfs_write+0xea/0x3a0 [ 64.923802] ksys_write+0x68/0xf0 [ 64.927507] do_syscall_64+0x33/0x40 [ 64.931507] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 64.937156] RIP: 0033:0x7feb9e5118f3 [ 64.941154] Code: 8b 15 a1 25 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 [ 64.962133] RSP: 002b:00007ffe276cf488 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 64.970593] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007feb9e5118f3 [ 64.978564] RDX: 0000000000000004 RSI: 00007feb9e404000 RDI: 0000000000000001 [ 64.986536] RBP: 00007feb9e404000 R08: 00007feb9e403010 R09: 0000000000000000 [ 64.994507] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 65.002477] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 65.010458] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_dev x86_pkg_temp_thermal cros_usbpd_notify [ 65.026481] ---[ end trace c11ce2c5dc035d3f ]--- [ 65.031673] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 65.036084] Code: 89 ff e8 5e a6 a3 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 00 86 92 02 [ 65.057087] RSP: 0018:ffffb13cc13f7e60 EFLAGS: 00010282 [ 65.062953] RAX: ffffffffa06e0010 RBX: 0000000000000001 RCX: 0000000000000000 [ 65.070946] RDX: 0000000000000000 RSI: ffffa079bbc1bf70 RDI: ffffffffa13cdcb0 [ 65.078931] RBP: ffffffffa180b620 R08: 0000000000000001 R09: 0000000000000001 [ 65.086913] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 65.094913] R13: ffffb13cc13f7f10 R14: ffffb13cc13f7f10 R15: ffffa079437f0000 [ 65.102908] FS: 00007feb9e5fb580(0000) GS:ffffa079bbc00000(0000) knlGS:0000000000000000 [ 65.111967] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 65.118404] CR2: 00007feb9e404000 CR3: 00000001027fa000 CR4: 00000000003506f0 # Segmentation fault # [ 64.777539] lkdtm: Performing direct entry BUG # [ 64.782897] ------------[ cut here ]------------ # [ 64.788136] kernel BUG at drivers/misc/lkdtm/bugs.c:76! # [ 64.794112] invalid opcode: 0000 [#1] SMP PTI # [ 64.798993] CPU: 0 PID: 738 Comm: cat Tainted: G W 5.10.158-cip21 #1 # [ 64.807548] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 64.814172] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 64.818560] Code: 89 ff e8 5e a6 a3 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 00 86 92 02 # [ 64.839544] RSP: 0018:ffffb13cc13f7e60 EFLAGS: 00010282 # [ 64.845387] RAX: ffffffffa06e0010 RBX: 0000000000000001 RCX: 0000000000000000 # [ 64.853358] RDX: 0000000000000000 RSI: ffffa079bbc1bf70 RDI: ffffffffa13cdcb0 # [ 64.861330] RBP: ffffffffa180b620 R08: 0000000000000001 R09: 0000000000000001 # [ 64.869299] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 64.877274] R13: ffffb13cc13f7f10 R14: ffffb13cc13f7f10 R15: ffffa079437f0000 # [ 64.885247] FS: 00007feb9e5fb580(0000) GS:ffffa079bbc00000(0000) knlGS:0000000000000000 # [ 64.894290] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 64.900707] CR2: 00007feb9e404000 CR3: 00000001027fa000 CR4: 00000000003506f0 # [ 64.908677] Call Trace: # [ 64.911419] direct_entry.cold+0x2c/0x38 # [ 64.915809] full_proxy_write+0x56/0x80 # [ 64.920099] vfs_write+0xea/0x3a0 # [ 64.923802] ksys_write+0x68/0xf0 # [ 64.927507] do_syscall_64+0x33/0x40 # [ 64.931507] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 64.937156] RIP: 0033:0x7feb9e5118f3 # [ 64.941154] Code: 8b 15 a1 25 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 # [ 64.962133] RSP: 002b:00007ffe276cf488 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 64.970593] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007feb9e5118f3 # [ 64.978564] RDX: 0000000000000004 RSI:[ 65.372606] lkdtm: Performing direct entry WARNING 00007feb9e404000 RDI: 0000000000000001 # [ 64.986536] RBP: 0[ 65.378986] ------------[ cut here ]------------ 0007feb9e404000 R08: 00007feb9e403010 R09: 0000000000000000 # [[ 65.390377] WARNING: CPU: 1 PID: 774 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x13/0x20 64.994507] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0[ 65.405991] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_dev x86_pkg_temp_thermal cros_usbpd_notify [ 65.428171] CPU: 1 PID: 774 Comm: cat Tainted: G D W 5.10.158-cip21 #1 000000000000001 # [ 65.002477] R13: 0000000000000001 R14: 000[ 65.436820] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 65.449620] RIP: 0010:lkdtm_WARNING+0x13/0x20 0000000020000 R15: 0000000000020000 # [ 65.010458] Modules li[ 65.454522] 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 00 86 92 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 e1 85 [ 65.481703] RSP: 0018:ffffb13cc1467e60 EFLAGS: 00010202 [ 65.487567] RAX: ffffffffa06e0020 RBX: 0000000000000002 RCX: 0000000000000000 [ 65.495565] RDX: 0000000000000000 RSI: ffffa079bbc9bf70 RDI: ffffffffa13cdcc0 [ 65.503557] RBP: ffffffffa17b004f R08: 0000000000000000 R09: 0000000000000000 [ 65.511555] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000008 [ 65.519553] R13: ffffb13cc1467f10 R14: ffffb13cc1467f10 R15: ffffa07943b30000 [ 65.527549] FS: 00007f481b744580(0000) GS:ffffa079bbc80000(0000) knlGS:0000000000000000 [ 65.536615] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 65.543056] CR2: 00007f481b54d000 CR3: 0000000103170000 CR4: 00000000003506e0 [ 65.551050] Call Trace: [ 65.553824] direct_entry.cold+0x2c/0x38 nked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros_ec_d[ 65.558243] full_proxy_write+0x56/0x80 [ 65.568729] vfs_write+0xea/0x3a0 ebugfs cros_ec_chardev cros_ec_dev x86_pkg_temp_thermal cros_usb[ 65.572462] ksys_write+0x68/0xf0 [ 65.582361] do_syscall_64+0x33/0x40 pd_notify # [ 65.026481] ---[ end trace c11ce2c5dc035d3f ]---[ 65.586386] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 65.598233] RIP: 0033:0x7f481b65a8f3 [ 65.602255] Code: 8b 15 a1 25 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 [ 65.623261] RSP: 002b:00007fffb3546c08 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 65.631749] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007f481b65a8f3 [ 65.639744] RDX: 0000000000000008 RSI: 00007f481b54d000 RDI: 0000000000000001 [ 65.647739] RBP: 00007f481b54d000 R08: 00007f481b54c010 R09: 0000000000000000 # [ 65.031673] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 65.036084[ 65.655733] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 ] Code: 89 ff e8 5e a6 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0[ 65.669922] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 [ 65.684150] irq event stamp: 0 [ 65.693803] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 65.700834] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 65.710004] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 65.719165] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 65.726191] ---[ end trace c11ce2c5dc035d40 ]--- 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 00 86 92 02 # [ 65.057087] RSP: 0018:ffffb13cc13f7e60 EFLAGS: 00010282 # [ 65.062953] RAX: ffffffffa06e0010 RBX: 0000000000000001 RCX: 0000000000000000 # [ 65.070946] RDX: 0000000000000000 RSI: ffffa079bbc1bf70 RDI: ffffffffa13cdcb0 # [ 65.078931] RBP: ffffffffa180b620 R08: 0000000000000001 R09: 0000000000000001 # [ 65.086913] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 65.094913] R13: ffffb13cc13f7f10 R14: ffffb13cc13f7f10 R15: ffffa079437f0000 # [ 65.102908] FS: 00007feb9e5fb580(0000) GS:ffffa079bbc00000(0000) knlGS:0000000000000000 # [ 65.111967] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 65.118404] CR2: 00007feb9e404000 CR3: 00000001027fa000 CR4: 00000000003506f0 # BUG: saw 'kernel BUG at': ok ok 2 selftests: lkdtm: BUG.sh # selftests: lkdtm: WARNING.sh # [ 65.372606] lkdtm: Performing direct entry WARNING # [ 65.378986] ------------[ cut here ]------------ # [ 65.390377] WARNING: CPU: 1 PID: 774 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x13/0x20 # [ 65.405991] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_dev x86_pkg_temp_thermal cros_usbpd_notify # [ 65.428171] CPU: 1 PID: 774 Comm: cat Tainted: G D W 5.10.158-cip21 #1 # [ 65.436820] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 65.449620] RIP: 0010:lkdtm_WARNING+0x13/0x20 # [ 65.454522] 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 00 86 92 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 e1 85 # [ 65.481703] RSP: 0018:ffffb13cc1467e60 EFLAGS: 00010202 # [ 65.487567] RAX: ffffffffa06e0020 RBX: 0000000000000002 RCX: 0000000000000000 # [ 65.495565] RDX: 0000000000000000 RSI: ffffa079bbc9bf70 RDI: ffffffffa13cdcc0 # [ 65.503557] RBP: ffffffffa17b004f R08: 0000000000000000 R09: 0000000000000000 # [ 65.511555] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000008 # [ 65.519553] R13: ffffb13cc1467f10 R14: ffffb13cc1467f10 R15: ffffa07943b30000 # [ 65.527549] FS: 00007f481b744580(0000) GS:ffffa079bbc80000(0000) knlGS:0000000000000000 # [ 65.536615] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 65.543056] CR2: 00007f481b54d000 CR3: 0000000103170000 CR4: 00000000003506e0 # [ 65.551050] Call Trace: # [ 65.553824] direct_entry.[ 65.970681] lkdtm: Performing direct entry WARNING_MESSAGE cold+0x2c/0x38 # [ 65.558243] full_proxy_write+0x56/0x80 # [ 65.979890] ------------[ cut here ]------------ [ 65.568729] vfs_write+0xea/0x3a0 # [ 65.572462] ksys_wri[ 65.991277] Warning message trigger count: 2 te+0x68/0xf0 # [ 65.582361] do_syscall_64+0x33/0x40 # [ 6[ 66.002350] WARNING: CPU: 1 PID: 809 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30 5.586386] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 65.59[ 66.018707] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_dev x86_pkg_temp_thermal cros_usbpd_notify 8233] RIP: 0033:0x7f481b65a8f3 # [ 65.602255] Code: 8b 15 a1 [ 66.040890] CPU: 1 PID: 809 Comm: cat Tainted: G D W 5.10.158-cip21 #1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8[ 66.055686] Hardware name: Google Coral/Coral, BIOS 09/29/2020 b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 [ 66.068541] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30 [ 66.080413] Code: cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 e1 85 92 02 48 c7 c7 b0 05 7b a1 8d 70 01 89 35 d1 85 92 02 e8 9a 17 63 00 <0f> 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 c7 [ 66.101424] RSP: 0018:ffffb13cc14b7e60 EFLAGS: 00010286 [ 66.107290] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 [ 66.115290] RDX: ffffa079bbcac660 RSI: ffffa079bbc9bf70 RDI: ffffa079bbc9bf70 [ 66.123285] RBP: ffffffffa17b0057 R08: 0000000000000000 R09: 0000000000000000 [ 66.131275] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010 [ 66.139270] R13: ffffb13cc14b7f10 R14: ffffb13cc14b7f10 R15: ffffa079433c4000 [ 66.147270] FS: 00007f521a4b2580(0000) GS:ffffa079bbc80000(0000) knlGS:0000000000000000 [ 66.156338] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 66.162780] CR2: 00007f521a2bb000 CR3: 00000001041a8000 CR4: 00000000003506e0 [ 66.170773] Call Trace: [ 66.173539] direct_entry.cold+0x2c/0x38 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ [ 66.177955] full_proxy_write+0x56/0x80 [ 66.188442] vfs_write+0xea/0x3a0 [ 66.192170] ksys_write+0x68/0xf0 [ 66.195898] do_syscall_64+0x33/0x40 65.623261] RSP: 002b:00007fffb3546c08 EFLAGS: 00000246 ORIG_RAX:[ 66.199919] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 66.211776] RIP: 0033:0x7f521a3c88f3 [ 66.215801] Code: 8b 15 a1 25 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 [ 66.236813] RSP: 002b:00007ffd8ac9e448 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 66.245301] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007f521a3c88f3 [ 66.253298] RDX: 0000000000000010 RSI: 00007f521a2bb000 RDI: 0000000000000001 [ 66.261293] RBP: 00007f521a2bb000 R08: 00007f521a2ba010 R09: 0000000000000000 0000000000000001 # [ 65.631749] RAX: ffffffffffffffda RBX: 0[ 66.269289] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 66.283488] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 000000000000008 RCX: 00007f481b65a8f3 # [ 65.639744] RDX: 000[ 66.291503] irq event stamp: 0 [ 66.301152] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 66.308186] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 66.317350] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 66.326513] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 66.333539] ---[ end trace c11ce2c5dc035d41 ]--- 0000000000008 RSI: 00007f481b54d000 RDI: 0000000000000001 # [ 65.647739] RBP: 00007f481b54d000 R08: 00007f481b54c010 R09: 0000000000000000 # [ 65.655733] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 65.669922] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 65.684150] irq event stamp: 0 # [ 65.693803] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 65.700834] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 65.710004] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 65.719165] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 65.726191] ---[ end trace c11ce2c5dc035d40 ]--- # WARNING: saw 'WARNING:': ok ok 3 selftests: lkdtm: WARNING.sh # selftests: lkdtm: WARNING_MESSAGE.sh # [ 65.970681] lkdtm: Performing direct entry WARNING_MESSAGE # [ 65.979890] ------------[ cut here ]------------ # [ 65.991277] Warning message trigger count: 2 # [ 66.002350] WARNING: CPU: 1 PID: 809 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 66.018707] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_dev x86_pkg_temp_thermal cros_usbpd_notify # [ 66.040890] CPU: 1 PID: 809 Comm: cat Tainted: G D W 5.10.158-cip21 #1 # [ 66.055686] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 66.068541] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 66.080413] Code: cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 e1 85 92 02 48 c7 c7 b0 05 7b a1 8d 70 01 89 35 d1 85 92 02 e8 9a 17 63 00 <0f> 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 c7 # [ 66.101424] RSP: 0018:ffffb13cc14b7e60 EFLAGS: 00010286 # [ 66.107290] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 # [ 66.115290] RDX: ffffa079bbcac660 RSI: ffffa079bbc9bf70 RDI: ffffa079bbc9bf70 # [ 66.123285] RBP: ffffffffa17b0057 R08: 0000000000000000 R09: 0000000000000000 # [ 66.131275] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010 # [ 66.139270] R13: ffffb13cc14b7f10 R14: ffffb13cc14b7f10 R15: ffffa079433c4000 # [ 66.147270] FS: 00007f521a4b2580(0000) GS:ffffa079bbc80000(0000) knlGS:0000000000000000 # [ 66.156338] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 66.162780] CR2: 00007f521a2bb000 CR3: 00000001041a[ 66.574659] lkdtm: Performing direct entry EXCEPTION 8000 CR4: 00000000003506e0 # [ 66.170773] Call Trace: # [ [ 66.580505] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 66.594422] #PF: supervisor write access in kernel mode [ 66.600258] #PF: error_code(0x0002) - not-present page [ 66.605998] PGD 0 P4D 0 [ 66.608835] Oops: 0002 [#2] SMP PTI [ 66.612737] CPU: 3 PID: 841 Comm: cat Tainted: G D W 5.10.158-cip21 #1 [ 66.621294] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 66.627920] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20 [ 66.632887] Code: 48 c7 c7 b0 05 7b a1 8d 70 01 89 35 d1 85 92 02 e8 9a 17 63 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 [ 66.653869] RSP: 0018:ffffb13cc155fe60 EFLAGS: 00010282 [ 66.659708] RAX: ffffffffa06e0070 RBX: 0000000000000004 RCX: 0000000000000000 [ 66.667681] RDX: 0000000000000000 RSI: ffffa079bbd9bf70 RDI: ffffffffa13cdce0 [ 66.675654] RBP: ffffffffa16e5367 R08: 0000000000000000 R09: 0000000000000000 [ 66.683628] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a [ 66.691601] R13: ffffb13cc155ff10 R14: ffffb13cc155ff10 R15: ffffa07943a71000 [ 66.699578] FS: 00007f619cbae580(0000) GS:ffffa079bbd80000(0000) knlGS:0000000000000000 [ 66.708619] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 66.715044] CR2: 0000000000000000 CR3: 0000000103344000 CR4: 00000000003506e0 [ 66.723018] Call Trace: [ 66.725761] direct_entry.cold+0x2c/0x38 [ 66.730152] full_proxy_write+0x56/0x80 [ 66.734443] vfs_write+0xea/0x3a0 [ 66.738148] ksys_write+0x68/0xf0 [ 66.741855] do_syscall_64+0x33/0x40 [ 66.745853] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 66.751502] RIP: 0033:0x7f619cac48f3 [ 66.755489] Code: 8b 15 a1 25 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 [ 66.776470] RSP: 002b:00007ffd346465b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 66.784935] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f619cac48f3 [ 66.792913] RDX: 000000000000000a RSI: 00007f619c9b7000 RDI: 0000000000000001 [ 66.800889] RBP: 00007f619c9b7000 R08: 00007f619c9b6010 R09: 0000000000000000 [ 66.808864] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 66.816837] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 66.824822] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_dev x86_pkg_temp_thermal cros_usbpd_notify [ 66.840793] CR2: 0000000000000000 [ 66.844499] ---[ end trace c11ce2c5dc035d42 ]--- [ 66.849660] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 66.854043] Code: 89 ff e8 5e a6 a3 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 00 86 92 02 [ 66.875037] RSP: 0018:ffffb13cc13f7e60 EFLAGS: 00010282 [ 66.880873] RAX: ffffffffa06e0010 RBX: 0000000000000001 RCX: 0000000000000000 [ 66.888845] RDX: 0000000000000000 RSI: ffffa079bbc1bf70 RDI: ffffffffa13cdcb0 [ 66.896821] RBP: ffffffffa180b620 R08: 0000000000000001 R09: 0000000000000001 [ 66.904795] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 66.912765] R13: ffffb13cc13f7f10 R14: ffffb13cc13f7f10 R15: ffffa079437f0000 [ 66.920739] FS: 00007f619cbae580(0000) GS:ffffa079bbd80000(0000) knlGS:0000000000000000 [ 66.929779] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 66.936198] CR2: 0000000000000000 CR3: 0000000103344000 CR4: 00000000003506e0 [ 66.944172] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 66.954085] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 841, name: cat [ 66.962446] INFO: lockdep is turned off. [ 66.966825] irq event stamp: 0 [ 66.970237] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 66.977243] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 66.986384] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 66.995523] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 67.002525] CPU: 3 PID: 841 Comm: cat Tainted: G D W 5.10.158-cip21 #1 [ 67.011078] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 67.017690] Call Trace: [ 67.020428] dump_stack+0x77/0x9b [ 67.024133] ___might_sleep.cold+0xa6/0xb6 [ 67.028713] exit_signals+0x1c/0x2e0 [ 67.032708] do_exit+0xd5/0xb00 [ 67.036217] ? ksys_write+0x68/0xf0 [ 67.040120] rewind_stack_do_exit+0x17/0x20 [ 67.044791] RIP: 0033:0x7f619cac48f3 [ 67.048783] Code: 8b 15 a1 25 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 [ 67.069764] RSP: 002b:00007ffd346465b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 67.078213] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f619cac48f3 [ 67.086185] RDX: 000000000000000a RSI: 00007f619c9b7000 RDI: 0000000000000001 [ 67.094158] RBP: 00007f619c9b7000 R08: 00007f619c9b6010 R09: 0000000000000000 [ 67.102129] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 67.110098] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 66.173539] direct_entry.cold+0x2c/0x38 # [ 66.177955] full_proxy_write+0x56/0x80 # [ 66.188442] vfs_write+0xea/0x3a0 # [ 66.192170] ksys_write+0x68/0xf0 # [ 66.195898] do_syscall_64+0x33/0x40 # [ 66.199919] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 66.211776] RIP: 0033:0x7f521a3c88f3 # [ 66.215801] Code: 8b 15 a1 25 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 # [ 66.236813] RSP: 002b:00007ffd8ac9e448 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 66.245301] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007f521a3c88f3 # [ 66.253298] RDX: 0000000000000010 RSI: 00007f521a2bb000 RDI: 0000000000000001 # [ 66.261293] RBP: 00007f521a2bb000 R08: 00007f521a2ba010 R09: 0000000000000000 # [ 66.269289] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 66.283488] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 66.291503] irq event stamp: 0 # [ 66.301152] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 66.308186] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 66.317350] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 66.326513] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 66.333539] ---[ end trace c11ce2c5dc035d41 ]--- # WARNING_MESSAGE: saw 'message trigger': ok ok 4 selftests: lkdtm: WARNING_MESSAGE.sh # selftests: lkdtm: EXCEPTION.sh # Killed # [ 66.574659] lkdtm: Performing direct entry EXCEPTION # [ 66.580505] BUG: kernel NULL pointer dereference, address: 0000000000000000 # [ 66.594422] #PF: supervisor write access in kernel mode # [ 66.600258] #PF: error_code(0x0002) - not-present page # [ 66.605998] PGD 0 P4D 0 # [ 66.608835] Oops: 0002 [#2] SMP PTI # [ 66.612737] CPU: 3 PID: 841 Comm: cat Tainted: G D W 5.10.158-cip21 #1 # [ 66.621294] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 66.627920] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20 # [ 66.632887] Code: 48 c7 c7 b0 05 7b a1 8d 70 01 89 35 d1 85 92 02 e8 9a 17 63 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 # [ 66.653869] RSP: 0018:ffffb13cc155fe60 EFLAGS: 00010282 # [ 66.659708] RAX: ffffffffa06e0070 RBX: 0000000000000004 RCX: 0000000000000000 # [ 66.667681] RDX: 0000000000000000 RSI: ffffa079bbd9bf70 RDI: ffffffffa13cdce0 # [ 66.675654] RBP: ffffffffa16e5367 R08: 0000000000000000 R09: 0000000000000000 # [ 66.683628] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 66.691601] R13: ffffb13cc155ff10 R14: ffffb13cc155ff10 R15: ffffa07943a71000 # [ 66.699578] FS: 00007f619cbae580(0000) GS:ffffa079bbd80000(0000) knlGS:0000000000000000 # [ 66.708619] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 66.715044] CR2: 0000000000000000 CR3: 0000000103344000 CR4: 00000000003506e0 # [ 66.723018] Call Trace: # [ 66.725761] direct_entry.cold+0x2c/0x38 # [ 66.730152] full_proxy_write+0x56/0x80 # [ 66.734443] vfs_write+0xea/0x3a0 # [ 66.738148] ksys_write+0x68/0xf0 # [ 66.741855] do_syscall_64+0x33/0x40 # [ 66.745853] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 66.751502] RIP: 0033:0x7f619cac48f3 # [ 66.755489] Code: 8b 15 a1 25 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 # [ 66.776470] RSP: 002b:00007ffd346465b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 66.784935] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f619cac48f3 # [ 66.792913] RDX: 000000000000000a RSI: 00007f619c9b7000 RDI: 0000000000000001 # [ 66.800889] RBP: 00007f619c9b7000 R08: 00007f619c9b6010 R09: 0000000000000000 # [ 66.808864] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 66.816837] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 66.824822] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_dev x86_pkg_temp_thermal cros_usbpd_notify # [ 66.840793] CR2: 0000000000000000 # [ 66.844499] ---[ end trace c11ce2c5dc035d42 ]--- # [ 66.849660] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 66.854043] Code: 89 ff e8 5e a6 a3 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 00 86 92 02 # [ 66.875037] RSP: 0018:ffffb13cc13f7e60 EFLAGS: 00010282 # [ 66.880873] RAX: ffffffffa06e0010 RBX: 0000000000000001 RCX: 0000000000000000 # [ 66.888845] RDX: 0000000000000000 RSI: ffffa079bbc1bf70 RDI: ffffffffa13cdcb0 # [ 66.896821] RBP: ffffffffa180b620 R08: 0000000000000001 R09: 0000000000000001 # [ 66.904795] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 66.912765] R13: ffffb13cc13f7f10 R14: ffffb13cc13f7f10 R15: ffffa079437f0000 # [ 66.920739] FS: 00007f619cbae580(0000) GS:ffffa079bbd80000(0000) knlGS:0000000000000000 # [ 66.929779] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 66.936198] CR2: 0000000000000000 CR3: 0000000103344000 CR4: 00000000003506e0 # [ 66.944172] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 66.954085] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 841, name: cat # [ 66.962446] INFO: lockdep is turned off. # [ 66.966825] irq event stamp: 0 # [ 66.970237] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 66.977243] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 66.986384] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 66.995523] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 67.002525] CPU: 3 PID: 841 Comm: cat Tainted: G D W 5.10.158-cip21 #1 # [ 67.011078] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 67.017690] Call Trace: # [ 67.020428] dump_stack+0x77/0x9b # [ 67.024133] ___might_sleep.cold+0xa6/0xb6 # [ 67.028713] exit_signals+0x1c/0x2e0 # [ 67.032708] do_exit+0xd5/0xb00 # [ 67.036217] ? ksys_write+0x68/0xf0 # [ 67.040120] rewind_stack_do_exit+0x17/0x20 # [ 67.044791] RIP: 0033:0x7f619cac48f3 # [ 67.048783] Code: 8b 15 a1 25 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 # [ 67.069764] RSP: 002b:00007ffd346465b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 67.078213] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f619cac48f3 # [ 67.086185] RDX: 000000000000000a RSI: 00007f619c9b7000 RDI: 0000000000000001 # [ 67.094158] RBP: 00007f619c9b7000 R08: 00007f619c9b6010 R09: 0000000000000000 # [ 67.102129] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 67.110098] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # EXCEPTION: saw 'call trace:': ok ok 5 selftests: lkdtm: EXCEPTION.sh # selftests: lkdtm: LOOP.sh # Skipping LOOP: Hangs the system ok 6 selftests: lkdtm: LOOP.sh # SKIP # selftests: lkdtm: EXHAUST_STACK.sh # Skipping EXHAUST_STACK: Corrupts memory on failure ok 7 selftests: lkdtm: EXHAUST_STACK.sh # SKIP # selftests: lkdtm: CORRUPT_STACK.sh # Skipping CORRUPT_STACK: Crashes entire system on success ok 8 selftests: lkdtm: CORRUPT_STACK.sh # SKIP # selftests: lkdtm: CORRUPT_STACK_STRONG.sh # Skipping CORRUPT_STACK_STRONG: Crashes entire system on success ok 9 selftests: lkdtm: CORRUPT_STACK_STRONG.sh # SKIP # selftests: lkdtm: CORRUPT_LIST_ADD.sh [ 67.960031] lkdtm: Performing direct entry CORRUPT_LIST_ADD [ 67.966292] lkdtm: attempting good list addition [ 67.971485] lkdtm: attempting corrupted list addition [ 67.977167] lkdtm: list_add() corruption not detected! # [ 67.960031] lkdtm: Performing direct entry CORRUPT_LIST_ADD # [ 67.966292] lkdtm: attempting good list addition # [ 67.971485] lkdtm: attempting corrupted list addition # [ 67.977167] 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 [ 68.207464] lkdtm: Performing direct entry CORRUPT_LIST_DEL [ 68.213732] lkdtm: attempting good list removal [ 68.218821] lkdtm: attempting corrupted list removal [ 68.224391] lkdtm: list_del() corruption not detected! # [ 68.207464] lkdtm: Performing direct entry CORRUPT_LIST_DEL # [ 68.213732] lkdtm: attempting good list removal # [ 68.218821] lkdtm: attempting corrupted list removal # [ 68.224391] lkdtm: list_del() corruption not detected! # CORRUPT_LIST_DEL: missing 'list_del corruption': [FAIL] not ok 11 selftests: lkdtm: CORRUPT_LIST_DEL.sh # exit=1 # selftests: lkdtm: STACK_GUARD_PAGE_LEADING.sh [ 68.459365] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING [ 68.466402] lkdtm: attempting bad read from page below current stack [ 68.473557] BUG: stack guard page was hit at 0000000041e60654 (stack is 000000004ba74b27..0000000009d5c179) [ 68.484447] kernel stack overflow (page fault): 0000 [#3] SMP PTI [ 68.491258] CPU: 0 PID: 1066 Comm: cat Tainted: G D W 5.10.158-cip21 #1 [ 68.499909] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 68.506533] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a [ 68.513054] Code: cc cc cc 0f 1f 44 00 00 53 48 c7 c7 50 09 7b a1 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 32 a0 fd ff 48 c7 c7 90 09 7b a1 <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 18 a0 fd ff 0f 1f 44 [ 68.534032] RSP: 0018:ffffb13cc18bfe50 EFLAGS: 00010246 [ 68.539873] RAX: 0000000000000038 RBX: ffffb13cc18bc000 RCX: 0000000000000000 [ 68.547844] RDX: 0000000000000000 RSI: ffffa079bbc1bf70 RDI: ffffffffa17b0990 [ 68.555817] RBP: ffffffffa17b00ba R08: 0000000000000000 R09: 0000000000000000 [ 68.563789] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019 [ 68.571762] R13: ffffb13cc18bff10 R14: ffffb13cc18bff10 R15: ffffa07943ff3000 [ 68.579741] FS: 00007f27df4e7580(0000) GS:ffffa079bbc00000(0000) knlGS:0000000000000000 [ 68.588786] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 68.595206] CR2: ffffb13cc18bbfff CR3: 00000001026c8000 CR4: 00000000003506f0 [ 68.603177] Call Trace: [ 68.605916] ? lkdtm_CORRUPT_LIST_DEL+0xe0/0xe0 [ 68.610981] direct_entry.cold+0x2c/0x38 [ 68.615369] full_proxy_write+0x56/0x80 [ 68.619660] vfs_write+0xea/0x3a0 [ 68.623368] ksys_write+0x68/0xf0 [ 68.627075] do_syscall_64+0x33/0x40 [ 68.631071] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 68.636718] RIP: 0033:0x7f27df3fd8f3 [ 68.640712] Code: 8b 15 a1 25 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 [ 68.661681] RSP: 002b:00007ffc3ad738d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 68.670140] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007f27df3fd8f3 [ 68.678110] RDX: 0000000000000019 RSI: 00007f27df2f0000 RDI: 0000000000000001 [ 68.686082] RBP: 00007f27df2f0000 R08: 00007f27df2ef010 R09: 0000000000000000 [ 68.694053] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 68.702023] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 68.710005] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_dev x86_pkg_temp_thermal cros_usbpd_notify [ 68.725975] ---[ end trace c11ce2c5dc035d43 ]--- [ 68.731137] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 68.735521] Code: 89 ff e8 5e a6 a3 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 00 86 92 02 [ 68.756504] RSP: 0018:ffffb13cc13f7e60 EFLAGS: 00010282 [ 68.762345] RAX: ffffffffa06e0010 RBX: 0000000000000001 RCX: 0000000000000000 [ 68.770317] RDX: 0000000000000000 RSI: ffffa079bbc1bf70 RDI: ffffffffa13cdcb0 [ 68.778289] RBP: ffffffffa180b620 R08: 0000000000000001 R09: 0000000000000001 [ 68.786262] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 68.794234] R13: ffffb13cc13f7f10 R14: ffffb13cc13f7f10 R15: ffffa079437f0000 [ 68.802207] FS: 00007f27df4e7580(0000) GS:ffffa079bbc00000(0000) knlGS:0000000000000000 [ 68.811246] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 68.817664] CR2: ffffb13cc18bbfff CR3: 00000001026c8000 CR4: 00000000003506f0 [ 68.825639] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 68.835554] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1066, name: cat [ 68.844010] INFO: lockdep is turned off. [ 68.848389] irq event stamp: 0 [ 68.851802] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 68.858808] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 68.867943] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 68.877078] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 68.884082] CPU: 0 PID: 1066 Comm: cat Tainted: G D W 5.10.158-cip21 #1 [ 68.892732] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 68.899346] Call Trace: [ 68.902086] dump_stack+0x77/0x9b [ 68.905792] ___might_sleep.cold+0xa6/0xb6 [ 68.910372] exit_signals+0x1c/0x2e0 [ 68.914371] do_exit+0xd5/0xb00 [ 68.917884] ? ksys_write+0x68/0xf0 [ 68.921787] rewind_stack_do_exit+0x17/0x20 [ 68.926461] RIP: 0033:0x7f27df3fd8f3 [ 68.930458] Code: 8b 15 a1 25 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 [ 68.951445] RSP: 002b:00007ffc3ad738d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 68.959909] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007f27df3fd8f3 [ 68.967884] RDX: 0000000000000019 RSI: 00007f27df2f0000 RDI: 0000000000000001 [ 68.975854] RBP: 00007f27df2f0000 R08: 00007f27df2ef010 R09: 0000000000000000 [ 68.983823] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 68.991794] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # Segmentation fault # [ 68.459365] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING # [ 68.466402] lkdtm: attempting bad read from page below current stack # [ 68.473557] BUG: stack guard page was hit at 0000000041e60654 (stack is 000000004ba74b27..0000000009d5c179) # [ 68.484447] kernel stack overflow (page fault): 0000 [#3] SMP PTI # [ 68.491258] CPU: 0 PID: 1066 Comm: cat Tainted: G D W 5.10.158-cip21 #1 # [ 68.499909] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 68.506533] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a # [ 68.513054] Code: cc cc cc 0f 1f 44 00 00 53 48 c7 c7 50 09 7b a1 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 32 a0 fd ff 48 c7 c7 90 09 7b a1 <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 18 a0 fd ff 0f 1f 44 # [ 68.534032] RSP: 0018:ffffb13cc18bfe50 EFLAGS: 00010246 # [ 68.539873] RAX: 0000000000000038 RBX: ffffb13cc18bc000 RCX: 0000000000000000 # [ 68.547844] RDX: 0000000000000000 RSI: ffffa079bbc1bf70 RDI: ffffffffa17b0990 # [ 68.555817] RBP: ffffffffa17b00ba R08: 0000000000000000 R09: 0000000000000000 # [ 68.563789] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019 # [ 68.571762] R13: ffffb13cc18bff10 R14: ffffb13cc18bff10 R15: ffffa07943ff3000 # [ 68.579741] FS: 00007f27df4e7580(0000) GS:ffffa079bbc00000(0000) knlGS:0000000000000000 # [ 68.588786] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 68.595206] CR2: ffffb13cc18bbfff CR3: 00000001026c8000 CR4: 00000000003506f0 # [ 68.603177] Call Trace: # [ 68.605916] ? lkdtm_CORRUPT_LIST_DEL+0xe0/0xe0 # [ 68.610981] direct_entry.cold+0x2c/0x38 # [ 68.615369] full_proxy_write+0x56/0x80 # [ 68.619660] vfs_write+0xea/0x3a0 # [ 68.623368] ksys_write+0x68/0xf0 # [ 68.627075] do_syscall_64+0x33/0x40 # [ 68.631071] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 68.636718] RIP: 0033:0x7f27df3fd8f3 # [ 68.640712] Code: 8b 15 a1 25 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 # [ 68.661681] RSP: 002b:00007ffc3ad738d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 68.670140] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007f27df3fd8f3 # [ 68.678110] RDX: 0000000000000019 RSI: 00007f27df2f0000 RDI: 0000000000000001 # [ 68.686082] RBP: 00007f27df2f0000 R08: 00007f27df2ef010 R09: 00[ 69.278927] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING 00000000000000 # [ 68.694053] R10: fffffffffffffbc5 R11: 0000[ 69.286349] lkdtm: attempting bad read from page above current stack 000000000246 R12: 0000000000000001 # [ 68.702023] R13: 000000[ 69.299681] BUG: stack guard page was hit at 00000000c00c5109 (stack is 00000000e81851eb..000000004b97dc73) [ 69.316756] kernel stack overflow (page fault): 0000 [#4] SMP PTI [ 69.323575] CPU: 3 PID: 1099 Comm: cat Tainted: G D W 5.10.158-cip21 #1 [ 69.332236] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 69.338865] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILING+0x27/0x3d [ 69.345489] Code: a0 fd ff 0f 1f 44 00 00 53 48 c7 c7 c8 09 7b a1 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 f8 9f fd ff 48 c7 c7 08 0a 7b a1 <8a> 83 00 40 00 00 88 44 24 07 0f b6 74 24 07 5a 5b e9 db 9f fd ff [ 69.366490] RSP: 0018:ffffb13cc192fe50 EFLAGS: 00010246 [ 69.372336] RAX: 0000000000000038 RBX: ffffb13cc192c000 RCX: 0000000000000000 [ 69.380313] RDX: 0000000000000000 RSI: ffffa079bbd9bf70 RDI: ffffffffa17b0a08 [ 69.388292] RBP: ffffffffa17b00d3 R08: 0000000000000000 R09: 0000000000000000 [ 69.396269] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001a [ 69.404248] R13: ffffb13cc192ff10 R14: ffffb13cc192ff10 R15: ffffa07944dea000 [ 69.412230] FS: 00007f335c844580(0000) GS:ffffa079bbd80000(0000) knlGS:0000000000000000 [ 69.421280] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 69.427704] CR2: ffffb13cc1930000 CR3: 0000000104dd6000 CR4: 00000000003506e0 [ 69.435681] Call Trace: [ 69.438421] ? lkdtm_STACK_GUARD_PAGE_LEADING+0x3a/0x3a [ 69.444269] direct_entry.cold+0x2c/0x38 [ 69.448661] full_proxy_write+0x56/0x80 [ 69.452955] vfs_write+0xea/0x3a0 [ 69.456663] ksys_write+0x68/0xf0 [ 69.460372] do_syscall_64+0x33/0x40 [ 69.464370] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 69.470017] RIP: 0033:0x7f335c75a8f3 [ 69.474014] Code: 8b 15 a1 25 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 [ 69.495003] RSP: 002b:00007ffeea20f158 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 69.503470] RAX: ffffffffffffffda RBX: 000000000000001a RCX: 00007f335c75a8f3 [ 69.511447] RDX: 000000000000001a RSI: 00007f335c64d000 RDI: 0000000000000001 [ 69.519421] RBP: 00007f335c64d000 R08: 00007f335c64c010 R09: 0000000000000000 [ 69.527393] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 69.535364] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 69.543349] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_dev x86_pkg_temp_thermal cros_usbpd_notify [ 69.559326] ---[ end trace c11ce2c5dc035d44 ]--- [ 69.564495] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 69.568879] Code: 89 ff e8 5e a6 a3 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 00 86 92 02 [ 69.589878] RSP: 0018:ffffb13cc13f7e60 EFLAGS: 00010282 [ 69.595721] RAX: ffffffffa06e0010 RBX: 0000000000000001 RCX: 0000000000000000 [ 69.603699] RDX: 0000000000000000 RSI: ffffa079bbc1bf70 RDI: ffffffffa13cdcb0 [ 69.611680] RBP: ffffffffa180b620 R08: 0000000000000001 R09: 0000000000000001 [ 69.619658] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 69.627637] R13: ffffb13cc13f7f10 R14: ffffb13cc13f7f10 R15: ffffa079437f0000 [ 69.635614] FS: 00007f335c844580(0000) GS:ffffa079bbd80000(0000) knlGS:0000000000000000 [ 69.644661] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 69.651082] CR2: ffffb13cc1930000 CR3: 0000000104dd6000 CR4: 00000000003506e0 [ 69.659062] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 69.668984] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1099, name: cat [ 69.677446] INFO: lockdep is turned off. [ 69.681828] irq event stamp: 0 [ 69.685242] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 69.692255] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 69.701402] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 69.710548] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 69.717555] CPU: 3 PID: 1099 Comm: cat Tainted: G D W 5.10.158-cip21 #1 [ 69.726211] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 69.732830] Call Trace: [ 69.735569] dump_stack+0x77/0x9b [ 69.739279] ___might_sleep.cold+0xa6/0xb6 [ 69.743864] exit_signals+0x1c/0x2e0 [ 69.747861] do_exit+0xd5/0xb00 [ 69.751375] ? ksys_write+0x68/0xf0 [ 69.755281] rewind_stack_do_exit+0x17/0x20 [ 69.759957] RIP: 0033:0x7f335c75a8f3 [ 69.763954] Code: 8b 15 a1 25 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 [ 69.784953] RSP: 002b:00007ffeea20f158 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 69.793422] RAX: ffffffffffffffda RBX: 000000000000001a RCX: 00007f335c75a8f3 [ 69.801402] RDX: 000000000000001a RSI: 00007f335c64d000 RDI: 0000000000000001 [ 69.809379] RBP: 00007f335c64d000 R08: 00007f335c64c010 R09: 0000000000000000 [ 69.817358] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 69.825333] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 0000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 68.710005] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_dev x86_pkg_temp_thermal cros_usbpd_notify # [ 68.725975] ---[ end trace c11ce2c5dc035d43 ]--- # [ 68.731137] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 68.735521] Code: 89 ff e8 5e a6 a3 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 00 86 92 02 # [ 68.756504] RSP: 0018:ffffb13cc13f7e60 EFLAGS: 00010282 # [ 68.762345] RAX: ffffffffa06e0010 RBX: 0000000000000001 RCX: 0000000000000000 # [ 68.770317] RDX: 0000000000000000 RSI: ffffa079bbc1bf70 RDI: ffffffffa13cdcb0 # [ 68.778289] RBP: ffffffffa180b620 R08: 0000000000000001 R09: 0000000000000001 # [ 68.786262] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 68.794234] R13: ffffb13cc13f7f10 R14: ffffb13cc13f7f10 R15: ffffa079437f0000 # [ 68.802207] FS: 00007f27df4e7580(0000) GS:ffffa079bbc00000(0000) knlGS:0000000000000000 # [ 68.811246] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 68.817664] CR2: ffffb13cc18bbfff CR3: 00000001026c8000 CR4: 00000000003506f0 # [ 68.825639] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 68.835554] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1066, name: cat # [ 68.844010] INFO: lockdep is turned off. # [ 68.848389] irq event stamp: 0 # [ 68.851802] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 68.858808] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 68.867943] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 68.877078] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 68.884082] CPU: 0 PID: 1066 Comm: cat Tainted: G D W 5.10.158-cip21 #1 # [ 68.892732] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 68.899346] Call Trace: # [ 68.902086] dump_stack+0x77/0x9b # [ 68.905792] ___might_sleep.cold+0xa6/0xb6 # [ 68.910372] exit_signals+0x1c/0x2e0 # [ 68.914371] do_exit+0xd5/0xb00 # [ 68.917884] ? ksys_write+0x68/0xf0 # [ 68.921787] rewind_stack_do_exit+0x17/0x20 # [ 68.926461] RIP: 0033:0x7f27df3fd8f3 # [ 68.930458] Code: 8b 15 a1 25 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 # [ 68.951445] RSP: 002b:00007ffc3ad738d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 68.959909] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007f27df3fd8f3 # [ 68.967884] RDX: 0000000000000019 RSI: 00007f27df2f0000 RDI: 0000000000000001 # [ 68.975854] RBP: 00007f27df2f0000 R08: 00007f27df2ef010 R09: 0000000000000000 # [ 68.983823] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 68.991794] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # STACK_GUARD_PAGE_LEADING: saw 'call trace:': ok ok 12 selftests: lkdtm: STACK_GUARD_PAGE_LEADING.sh # selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh # Segmentation fault # [ 69.278927] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING # [ 69.286349] lkdtm: attempting bad read from page above current stack # [ 69.299681] BUG: stack guard page was hit at 00000000c00c5109 (stack is 00000000e81851eb..000000004b97dc73) # [ 69.316756] kernel stack overflow (page fault): 0000 [#4] SMP PTI # [ 69.323575] CPU: 3 PID: 1099 Comm: cat Tainted: G D W 5.10.158-cip21 #1 # [ 69.332236] Hardware name: Google Coral/Coral, BIOS 09/2[ 70.194573] lkdtm: Performing direct entry UNSET_SMEP 9/2020 # [ 69.338865] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILI[ 70.205913] lkdtm: trying to clear SMEP normally NG+0x27/0x3d # [ 69.345489] Code: a0 fd ff 0f 1f 44 00 00 53 [ 70.217336] ------------[ cut here ]------------ 48 c7 c7 c8 09 7b a1 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e[ 70.228725] pinned CR4 bits changed: 0x100000!? 8 f8 9f fd ff 48 c7 c7 08 0a 7b a1 <8a> 83 00 40 00 00 88 44 24 [ 70.240021] WARNING: CPU: 3 PID: 1135 at arch/x86/kernel/cpu/common.c:392 native_write_cr4+0x45/0x60 07 0f b6 74 24 07 5a 5b e9 db 9f fd ff # [ 69.366490] RSP: 00[ 70.256446] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_dev x86_pkg_temp_thermal cros_usbpd_notify 18:ffffb13cc192fe50 EFLAGS: 00010246 # [ 69.372336] RAX: 0000[ 70.278710] CPU: 3 PID: 1135 Comm: cat Tainted: G D W 5.10.158-cip21 #1 000000000038 RBX: ffffb13cc192c000 RCX: 0000000000000000 # [ [ 70.293548] Hardware name: Google Coral/Coral, BIOS 09/29/2020 69.380313] RDX: 0000000000000000 RSI: ffffa079bbd9bf70 RDI: ffff[ 70.306404] RIP: 0010:native_write_cr4+0x45/0x60 ffffa17b0a08 # [ 69.388292] RBP: ffffffffa17b00d3 R08: 000000[ 70.317782] Code: 39 c2 75 2d 48 85 f6 75 05 c3 cc cc cc cc 80 3d 04 8d e3 01 00 75 f2 48 c7 c7 88 f3 6e a1 c6 05 f4 8c e3 01 01 e8 65 cc e4 00 <0f> 0b c3 cc cc cc cc 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09 0000000000 R09: 0000000000000000 # [ 69.396269] R10: 00000000[ 70.345040] RSP: 0018:ffffb13cc199fe48 EFLAGS: 00010286 ffffe000 R11: 3fffffffffffffff R12: 000000000000001a # [ 69.4[ 70.357088] RAX: 0000000000000000 RBX: 00000000002506e0 RCX: 0000000000000000 04248] R13: ffffb13cc192ff10 R14: ffffb13cc192ff10 R15: ffffa079[ 70.371319] RDX: ffffa079bbdac660 RSI: ffffa079bbd9bf70 RDI: ffffa079bbd9bf70 44dea000 # [ 69.412230] FS: 00007f335c844580(0000) GS:ffffa0[ 70.385516] RBP: ffffffffa17b00ed R08: 0000000000000000 R09: 0000000000000000 79bbd80000(0000) knlGS:0000000000000000 # [ 69.421280] CS: 0[ 70.399728] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b 010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 69.427704] CR[ 70.413970] R13: ffffb13cc199ff10 R14: ffffb13cc199ff10 R15: ffffa07943824000 2: ffffb13cc1930000 CR3: 0000000104dd6000 CR4: 00000000003506e0 [ 70.428156] FS: 00007f7133fb5580(0000) GS:ffffa079bbd80000(0000) knlGS:0000000000000000 # [ 69.435681] Call Trace: # [ 69.438421] ? lkdtm_STACK_G[ 70.443451] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 UARD_PAGE_LEADING+0x3a/0x3a # [ 69.444269] direct_entry.cold[ 70.456095] CR2: 00007f7133dbe000 CR3: 00000001031da000 CR4: 00000000003506e0 +0x2c/0x38 # [ 69.448661] full_proxy_write+0x56/0x80 # [ [ 70.470318] Call Trace: 69.452955] vfs_write+0xea/0x3a0 # [ 69.456663] ksys_write+0[ 70.479332] lkdtm_UNSET_SMEP.cold+0x1d/0x103 x68/0xf0 # [ 69.460372] do_syscall_64+0x33/0x40 # [ 69.46[ 70.490678] direct_entry.cold+0x2c/0x38 4370] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 69.470017[ 70.501034] full_proxy_write+0x56/0x80 ] RIP: 0033:0x7f335c75a8f3 # [ 69.474014] Code: 8b 15 a1 25 0[ 70.511750] vfs_write+0xea/0x3a0 e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04[ 70.521656] ksys_write+0x68/0xf0 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 f[ 70.531565] do_syscall_64+0x33/0x40 f ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 69.4[ 70.541629] entry_SYSCALL_64_after_hwframe+0x61/0xc6 95003] RSP: 002b:00007ffeea20f158 EFLAGS: 00000246 ORIG_RAX: 000[ 70.553620] RIP: 0033:0x7f7133ecb8f3 0000000000001 # [ 69.503470] RAX: ffffffffffffffda RBX: 00000[ 70.563717] Code: 8b 15 a1 25 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 0000000001a RCX: 00007f335c75a8f3 # [ 69.511447] RDX: 0000000[ 70.591086] RSP: 002b:00007fff65297bd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 00000001a RSI: 00007f335c64d000 RDI: 0000000000000001 # [ 69.[ 70.605667] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f7133ecb8f3 519421] RBP: 00007f335c64d000 R08: 00007f335c64c010 R09: 0000000[ 70.619940] RDX: 000000000000000b RSI: 00007f7133dbe000 RDI: 0000000000000001 000000000 # [ 69.527393] R10: fffffffffffffbc5 R11: 000000000[ 70.634090] RBP: 00007f7133dbe000 R08: 00007f7133dbd010 R09: 0000000000000000 0000246 R12: 0000000000000001 # [ 69.535364] R13: 00000000000[ 70.648332] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 00001 R14: 0000000000020000 R15: 0000000000020000 # [ 69.5433[ 70.662487] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 49] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_s[ 70.676729] irq event stamp: 0 ysfs cros_ec_debugfs cros_ec_chardev cros_ec_dev x86_pkg_temp_th[ 70.686341] hardirqs last enabled at (0): [<0000000000000000>] 0x0 ermal cros_usbpd_notify # [ 69.559326] ---[ end trace c11ce2c[ 70.699607] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 5dc035d44 ]--- # [ 69.564495] RIP: 0010:lkdtm_BUG+0x5/0x10 #[ 70.714949] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 69.568879] Code: 89 ff e8 5e a6 a3 ff 48 c7 c0 ea ff ff ff [ 70.730362] softirqs last disabled at (0): [<0000000000000000>] 0x0 eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff e[ 70.743562] ---[ end trace c11ce2c5dc035d45 ]--- b c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 [ 70.755024] lkdtm: ok: SMEP did not get cleared 00 00 83 05 00 86 92 02 # [ 69.589878] RSP: 0018:ffffb13cc13f[ 70.766238] lkdtm: trying to clear SMEP with call gadget 7e60 EFLAGS: 00010282 # [ 69.595721] RAX: ffffffffa06e0010 RB[ 70.778437] lkdtm: ok: SMEP removal was reverted X: 0000000000000001 RCX: 0000000000000000 # [ 69.603699] RDX: 0000000000000000 RSI: ffffa079bbc1bf70 RDI: ffffffffa13cdcb0 # [ 69.611680] RBP: ffffffffa180b620 R08: 0000000000000001 R09: 0000000000000001 # [ 69.619658] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 69.627637] R13: ffffb13cc13f7f10 R14: ffffb13cc13f7f10 R15: ffffa079437f0000 # [ 69.635614] FS: 00007f335c844580(0000) GS:ffffa079bbd80000(0000) knlGS:0000000000000000 # [ 69.644661] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 69.651082] CR2: ffffb13cc1930000 CR3: 0000000104dd6000 CR4: 00000000003506e0 # [ 69.659062] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 69.668984] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1099, name: cat # [ 69.677446] INFO: lockdep is turned off. # [ 69.681828] irq event stamp: 0 # [ 69.685242] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 69.692255] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 69.701402] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 69.710548] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 69.717555] CPU: 3 PID: 1099 Comm: cat Tainted: G D W 5.10.158-cip21 #1 # [ 69.726211] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 69.732830] Call Trace: # [ 69.735569] dump_stack+0x77/0x9b # [ 69.739279] ___might_sleep.cold+0xa6/0xb6 # [ 69.743864] exit_signals+0x1c/0x2e0 # [ 69.747861] do_exit+0xd5/0xb00 # [ 69.751375] ? ksys_write+0x68/0xf0 # [ 69.755281] rewind_stack_do_exit+0x17/0x20 # [ 69.759957] RIP: 0033:0x7f335c75a8f3 # [ 69.763954] Code: 8b 15 a1 25 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 # [ 69.784953] RSP: 002b:00007ffeea20f158 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 69.793422] RAX: ffffffffffffffda RBX: 000000000000001a RCX: 00007f335c75a8f3 # [ 69.801402] RDX: 000000000000001a RSI: 00007f335c64d000 RDI: 0000000000000001 # [ 69.809379] RBP: 00007f335c64d000 R08: 00007f335c64c010 R09: 0000000000000000 # [ 69.817358] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 69.825333] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # STACK_GUARD_PAGE_TRAILING: saw 'call trace:': ok ok 13 selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh # selftests: lkdtm: UNSET_SMEP.sh # [ 70.194573] [ 71.041664] lkdtm: Performing direct entry DOUBLE_FAULT lkdtm: Performing direct entry UNSET_SMEP # [ 70.205913] lkdt[ 71.050523] lkdtm: XFAIL: this test is ia32-only m: trying to clear SMEP normally # [ 70.217336] ------------[ cut here ]------------ # [ 70.228725] pinned CR4 bits changed: 0x100000!? # [ 70.240021] WARNING: CPU: 3 PID: 1135 at arch/x86/kernel/cpu/common.c:392 native_write_cr4+0x45/0x60 # [ 70.256446] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_dev x86_pkg_temp_thermal cros_usbpd_notify # [ 70.278710] CPU: 3 PID: 1135 Comm: cat Tainted: G D W 5.10.158-cip21 #1 # [ 70.293548] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 70.306404] RIP: 0010:native_write_cr4+0x45/0x60 # [ 70.317782] Code: 39 c2 75 2d 48 85 f6 75 05 c3 cc cc cc cc 80 3d 04 8d e3 01 00 75 f2 48 c7 c7 88 f3 6e a1 c6 05 f4 8c e3 01 01 e8 65 cc e4 00 <0f> 0b c3 cc cc cc cc 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09 # [ 70.345040] RSP: 0018:ffffb13cc199fe48 EFLAGS: 00010286 # [ 70.357088] RAX: 0000000000000000 RBX: 00000000002506e0 RCX: 0000000000000000 # [ 70.371319] RDX: ffffa079bbdac660 RSI: ffffa079bbd9bf70 RDI: ffffa079bbd9bf70 # [ 70.385516] RBP: ffffffffa17b00ed R08: 0000000000000000 R09: 0000000000000000 # [ 70.399728] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b # [ 70.413970] R13: ffffb13cc199ff10 R14: ffffb13cc199ff10 R15: ffffa07943824000 # [ 70.428156] FS: 00007f7133fb5580(0000) GS:ffffa079bbd80000(0000) knlGS:0000000000000000 # [ 70.443451] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 70.456095] CR2: 00007f7133dbe000 CR3: 00000001031da000 CR4: 00000000003506e0 # [ 70.470318] Call Trace: # [ 70.479332] lkdtm_UNSET_SMEP.cold+0x1d/0x103 # [ 70.490678] direct_entry.cold+0x2c/0x38 # [ 70.501034] full_proxy_write+0x56/0x80 # [ 70.511750] vfs_write+0xea/0x3a0 # [ 70.521656] ksys_write+0x68/0xf0 # [ 70.531565] do_syscall_64+0x33/0x40 # [ 70.541629] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 70.553620] RIP: 0033:0x7f7133ecb8f3 # [ 70.563717] Code: 8b 15 a1 25 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 # [ 70.591086] RSP: 002b:00007fff65297bd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 70.605667] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f7133ecb8f3 # [ 70.619940] RDX: 000000000000000b RSI: 00007f7133dbe000 RDI: 0000000000000001 # [ 70.634090] RBP: 00007f7133dbe000 R08: 00007f7133dbd010 R09: 0000000000000000 # [ 70.648332] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 #[ 71.313055] lkdtm: Performing direct entry CORRUPT_PAC [ 71.322574] lkdtm: XFAIL: this test is arm64-only [ 70.662487] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 70.676729] irq event stamp: 0 # [ 70.686341] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 70.699607] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 70.714949] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 70.730362] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 70.743562] ---[ end trace c11ce2c5dc035d45 ]--- # [ 70.755024] lkdtm: ok: SMEP did not get cleared # [ 70.766238] lkdtm: trying to clear SMEP with call gadget # [ 70.778437] lkdtm: ok: SMEP removal was reverted # UNSET_SMEP: saw 'pinned CR4 bits changed:': ok ok 14 selftests: lkdtm: UNSET_SMEP.sh # selftests: lkdtm: DOUBLE_FAULT.sh # [ 71.041664] lkdtm: Performing direct entry DOUBLE_FAULT # [ 71.050523] lkdtm: XFAIL: this test is ia32-only # DOUBLE_FAULT: saw 'XFAIL': [SKIP] ok 15 selftests: lkdtm: DOUBLE_FAULT.sh # SKIP # selftests: lkdtm: CORRUPT_PAC.sh # [ 71.313055] lkdtm: Performing direct entry CORRUPT_PAC # [ 71.322574] 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 [ 71.567010] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE [ 71.574273] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS # [ 71.567010] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE # [ 71.574273] 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 [ 72.065720] lkdtm: Performing direct entry READ_AFTER_FREE [ 72.071920] lkdtm: Value in memory before free: 12345678 [ 72.077888] lkdtm: Attempting bad read from freed memory [ 72.083849] lkdtm: Memory was not poisoned # [ 72.065720] lkdtm: Performing direct entry READ_AFTER_FREE # [ 72.071920] lkdtm: Value in memory before free: 12345678 # [ 72.077888] lkdtm: Attempting bad read from freed memory # [ 72.083849] lkdtm: Memory was not poisoned # READ_AFTER_FREE: missing 'call trace:': [FAIL] not ok 20 selftests: lkdtm: READ_AFTER_FREE.sh # exit=1 # selftests: lkdtm: WRITE_BUDDY_AFTER_FREE.sh # Skipping WRITE_BUDDY_AFTER_FREE: Corrupts memory on failure ok 21 selftests: lkdtm: WRITE_BUDDY_AFTER_FREE.sh # SKIP # selftests: lkdtm: READ_BUDDY_AFTER_FREE.sh [ 72.452971] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE [ 72.459747] lkdtm: Value in memory before free: 12345678 [ 72.465726] lkdtm: Attempting to read from freed memory [ 72.471604] lkdtm: Buddy page was not poisoned # [ 72.452971] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE # [ 72.459747] lkdtm: Value in memory before free: 12345678 # [ 72.465726] lkdtm: Attempting to read from freed memory # [ 72.471604] 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 [ 72.707655] lkdtm: Performing direct entry SLAB_FREE_DOUBLE [ 72.713936] lkdtm: Attempting double slab free ... # [ 72.707655] lkdtm: Performing direct entry SLAB_FREE_DOUBLE # [ 72.713936] 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 [ 72.965281] lkdtm: Performing direct entry SLAB_FREE_CROSS [ 72.971460] lkdtm: Attempting cross-cache slab free ... # [ 72.965281] lkdtm: Performing direct entry SLAB_FREE_CROSS # [ 72.971460] 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 [ 73.222054] lkdtm: Performing direct entry SLAB_FREE_PAGE [ 73.228122] lkdtm: Attempting non-Slab slab free ... # [ 73.222054] lkdtm: Performing direct entry SLAB_FREE_PAGE # [ 73.228122] lkdtm: Attempting non-Slab slab free ... # SLAB_FREE_PAGE: missing 'call trace:': [FAIL] not ok 25 selftests: lkdtm: SLAB_FREE_PAGE.sh # exit=1 # selftests: lkdtm: SOFTLOCKUP.sh # Skipping SOFTLOCKUP: Hangs the system ok 26 selftests: lkdtm: SOFTLOCKUP.sh # SKIP # selftests: lkdtm: HARDLOCKUP.sh # Skipping HARDLOCKUP: Hangs the system ok 27 selftests: lkdtm: HARDLOCKUP.sh # SKIP # selftests: lkdtm: SPINLOCKUP.sh # Skipping SPINLOCKUP: Hangs the system ok 28 selftests: lkdtm: SPINLOCKUP.sh # SKIP # selftests: lkdtm: HUNG_TASK.sh # Skipping HUNG_TASK: Hangs the system ok 29 selftests: lkdtm: HUNG_TASK.sh # SKIP # selftests: lkdtm: EXEC_DATA.sh [ 73.984031] lkdtm: Performing direct entry EXEC_DATA [ 73.989624] lkdtm: attempting ok execution at ffffffffa06e03e0 [ 73.996192] lkdtm: attempting bad execution at ffffffffa3008660 [ 74.002861] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 74.011233] BUG: unable to handle page fault for address: ffffffffa3008660 [ 74.018923] #PF: supervisor instruction fetch in kernel mode [ 74.025250] #PF: error_code(0x0011) - permissions violation [ 74.031480] PGD 122829067 P4D 122829067 PUD 12282a063 PMD 8000000123e000e3 [ 74.039280] Oops: 0011 [#5] SMP PTI [ 74.043183] CPU: 0 PID: 1642 Comm: cat Tainted: G D W 5.10.158-cip21 #1 [ 74.051835] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 74.058466] RIP: 0010:data_area+0x0/0x40 [ 74.062854] Code: ff ff 00 0a 2f 44 79 a0 ff ff 00 09 2f 44 79 a0 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 [ 74.083852] RSP: 0018:ffffb13cc2107e48 EFLAGS: 00010246 [ 74.089698] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 74.097677] RDX: 0000000000000000 RSI: ffffa079bbc1bf70 RDI: ffffa079bbc1bf70 [ 74.105656] RBP: ffffffffa3008660 R08: 0000000000000000 R09: 0000000000000000 [ 74.113634] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a [ 74.121612] R13: ffffb13cc2107f10 R14: ffffb13cc2107f10 R15: ffffa079426ed000 [ 74.129593] FS: 00007fb5dd467580(0000) GS:ffffa079bbc00000(0000) knlGS:0000000000000000 [ 74.138642] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 74.145065] CR2: ffffffffa3008660 CR3: 0000000103a8e000 CR4: 00000000003506f0 [ 74.153043] Call Trace: [ 74.155787] ? execute_location+0x48/0x56 [ 74.160267] ? direct_entry.cold+0x2c/0x38 [ 74.164852] ? full_proxy_write+0x56/0x80 [ 74.169341] ? vfs_write+0xea/0x3a0 [ 74.173243] ? ksys_write+0x68/0xf0 [ 74.177146] ? do_syscall_64+0x33/0x40 [ 74.181342] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 74.187196] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_dev x86_pkg_temp_thermal cros_usbpd_notify [ 74.203176] CR2: ffffffffa3008660 [ 74.206885] ---[ end trace c11ce2c5dc035d46 ]--- [ 74.212050] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 74.216436] Code: 89 ff e8 5e a6 a3 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 00 86 92 02 [ 74.237435] RSP: 0018:ffffb13cc13f7e60 EFLAGS: 00010282 [ 74.243279] RAX: ffffffffa06e0010 RBX: 0000000000000001 RCX: 0000000000000000 [ 74.251261] RDX: 0000000000000000 RSI: ffffa079bbc1bf70 RDI: ffffffffa13cdcb0 [ 74.259239] RBP: ffffffffa180b620 R08: 0000000000000001 R09: 0000000000000001 [ 74.267216] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 74.275197] R13: ffffb13cc13f7f10 R14: ffffb13cc13f7f10 R15: ffffa079437f0000 [ 74.283176] FS: 00007fb5dd467580(0000) GS:ffffa079bbc00000(0000) knlGS:0000000000000000 [ 74.292223] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 74.298650] CR2: ffffffffa3008660 CR3: 0000000103a8e000 CR4: 00000000003506f0 [ 74.306631] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 74.316553] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1642, name: cat [ 74.325016] INFO: lockdep is turned off. [ 74.329399] irq event stamp: 0 [ 74.332815] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 74.339826] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 74.348968] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 74.358110] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 74.365120] CPU: 0 PID: 1642 Comm: cat Tainted: G D W 5.10.158-cip21 #1 [ 74.373779] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 74.380395] Call Trace: [ 74.383136] dump_stack+0x77/0x9b [ 74.386849] ___might_sleep.cold+0xa6/0xb6 [ 74.391433] exit_signals+0x1c/0x2e0 [ 74.395433] do_exit+0xd5/0xb00 [ 74.398947] ? ksys_write+0x68/0xf0 [ 74.402853] rewind_stack_do_exit+0x17/0x20 [ 74.407530] RIP: 0033:0x7fb5dd37d8f3 [ 74.411518] Code: 8b 15 a1 25 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 [ 74.432506] RSP: 002b:00007ffcf09a6598 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 74.440975] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fb5dd37d8f3 [ 74.448954] RDX: 000000000000000a RSI: 00007fb5dd270000 RDI: 0000000000000001 [ 74.456932] RBP: 00007fb5dd270000 R08: 00007fb5dd26f010 R09: 0000000000000000 [ 74.464912] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 74.472893] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # Killed # [ 73.984031] lkdtm: Performing direct entry EXEC_DATA # [ 73.989624] lkdtm: attempting ok execution at ffffffffa06e03e0 # [ 73.996192] lkdtm: attempting bad execution at ffffffffa3008660 # [ 74.002861] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 74.011233] BUG: unable to handle page fault for address: ffffffffa3008660 # [ 74.018923] #PF: supervisor instruction fetch in kernel mode # [ 74.025250] #PF: error_code(0x0011) - permissions violation # [ 74.031480] PGD 122829067 P4D 122829067 PUD 12282a063 PMD 8000000123e000e3 # [ 74.039280] Oops: 0011 [#5] SMP PTI # [ 74.043183] CPU: 0 PID: 1642 Comm: cat Tainted: G D W 5.10.158-cip21 #1 # [ 74.051835] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 74.058466] RIP: 0010:data_area+0x0/0x40 # [ 74.062854] Code: ff ff 00 0a 2f 44 79 a0 ff ff 00 09 2f 44 79 a0 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 # [ 74.083852] RSP: 0018:ffffb13cc2107e48 EFLAGS: 00010246 # [ 74.089698] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 74.097677] RDX: 0000000000000000 RSI: ffffa079bbc1bf70 RDI: ffffa079bbc1bf70 # [ 74.105656] RBP: ffffffffa3008660 R08: 0000000000000000 R09: 0000000000000000 # [ 74.113634] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 74.121612] R13: ffffb13cc2107f10 R14: ffffb13cc2107f10 R15: ffffa079426ed000 # [ 74.129593] FS: 00007fb5dd467580(0000) GS:ffffa079bbc00000(0000) knlGS:0000000000000000 # [ 74.138642] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 74.145065] CR2: ffffffffa3008660 CR3: 0000000103a8e000 CR4: 00000000003506f0 # [ 74.153043] Call Trace: # [ 74.155787] ? execute_location+0x48/0x56 # [ 74.160267] ? direct_entry.cold+0x2c/0x38 # [ 74.164852] ? full_proxy_write+0x56/0x80 # [ 74.169341] ? vfs_write+0xea/0x3a0 # [ 74.173243] ? ksys_write+0x68/0xf0 # [ 74.177146] ? do_syscall_64+0x33/0x40 # [ 74.181342] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 74.187196] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_dev x86_pkg_temp_thermal cros_usbpd_notify # [ 74.203176] CR2: ffffffffa3008660 # [ 74.206885] ---[ end trace c11ce2c5dc035d46 ]--- # [ 74.212050] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 74.216436] Code: 89 ff e8 5e a6 a3 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 [ 74.783970] lkdtm: Performing direct entry EXEC_STACK [ 74.792170] lkdtm: attempting ok execution at ffffffffa06e03e0 [ 74.798732] lkdtm: attempting bad execution at ffffb13cc2187e18 c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00[ 74.805389] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 74.819932] BUG: unable to handle page fault for address: ffffb13cc2187e18 00 83 05 00 86 92 02 # [ 74.237435] RSP: 0018:ffffb13cc13f7e[ 74.827617] #PF: supervisor instruction fetch in kernel mode [ 74.840144] #PF: error_code(0x0011) - permissions violation 60 EFLAGS: 00010282 # [ 74.243279] RAX: ffffffffa06e0010 RBX:[ 74.846371] PGD 100000067 P4D 100000067 PUD 10020b067 PMD 103fe3067 PTE 8000000104ced063 [ 74.861643] Oops: 0011 [#6] SMP PTI [ 74.865546] CPU: 2 PID: 1678 Comm: cat Tainted: G D W 5.10.158-cip21 #1 0000000000000001 RCX: 0000000000000000 # [ 74.251261] RDX: 0[ 74.874203] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 74.887037] RIP: 0010:0xffffb13cc2187e18 [ 74.891425] Code: 00 00 18 7e 18 c2 3c b1 ff ff f4 d5 d3 a0 ff ff ff ff 20 00 00 00 00 00 00 00 16 02 7b a1 ff ff ff ff 20 d7 d3 a0 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 [ 74.912420] RSP: 0018:ffffb13cc2187df8 EFLAGS: 00010246 [ 74.918264] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 74.926241] RDX: 0000000000000000 RSI: ffffa079bbd1bf70 RDI: ffffa079bbd1bf70 [ 74.934218] RBP: ffffb13cc2187e18 R08: 0000000000000000 R09: 0000000000000000 [ 74.942194] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b [ 74.950171] R13: ffffb13cc2187f10 R14: ffffb13cc2187f10 R15: ffffa079441c1000 [ 74.958146] FS: 00007fe253caf580(0000) GS:ffffa079bbd00000(0000) knlGS:0000000000000000 [ 74.967191] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 74.973614] CR2: ffffb13cc2187e18 CR3: 00000001031fc000 CR4: 00000000003506e0 [ 74.981589] Call Trace: [ 74.984334] ? execute_location+0x48/0x56 [ 74.988822] ? lkdtm_EXEC_STACK+0x26/0x44 [ 74.993308] ? direct_entry.cold+0x2c/0x38 [ 74.997890] ? full_proxy_write+0x56/0x80 000000000000000 RSI: ffffa079bbc1bf70 RDI: ffffffffa13cdcb0 # [[ 75.002381] ? vfs_write+0xea/0x3a0 [ 75.012490] ? ksys_write+0x68/0xf0 [ 75.016391] ? do_syscall_64+0x33/0x40 [ 75.020582] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 75.026434] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_dev x86_pkg_temp_thermal cros_usbpd_notify [ 75.042414] CR2: ffffb13cc2187e18 [ 75.046122] ---[ end trace c11ce2c5dc035d47 ]--- [ 75.051287] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 75.055673] Code: 89 ff e8 5e a6 a3 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 00 86 92 02 [ 75.076667] RSP: 0018:ffffb13cc13f7e60 EFLAGS: 00010282 [ 75.082509] RAX: ffffffffa06e0010 RBX: 0000000000000001 RCX: 0000000000000000 [ 75.090484] RDX: 0000000000000000 RSI: ffffa079bbc1bf70 RDI: ffffffffa13cdcb0 [ 75.098458] RBP: ffffffffa180b620 R08: 0000000000000001 R09: 0000000000000001 [ 75.106437] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 75.114414] R13: ffffb13cc13f7f10 R14: ffffb13cc13f7f10 R15: ffffa079437f0000 [ 75.122392] FS: 00007fe253caf580(0000) GS:ffffa079bbd00000(0000) knlGS:0000000000000000 [ 75.131441] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 75.137864] CR2: ffffb13cc2187e18 CR3: 00000001031fc000 CR4: 00000000003506e0 [ 75.145843] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 75.155766] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1678, name: cat [ 75.164231] INFO: lockdep is turned off. [ 75.168614] irq event stamp: 0 [ 75.172026] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 75.179035] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 75.188180] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 75.197323] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 75.204328] CPU: 2 PID: 1678 Comm: cat Tainted: G D W 5.10.158-cip21 #1 [ 75.212980] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 75.219597] Call Trace: [ 75.222337] dump_stack+0x77/0x9b [ 75.226047] ___might_sleep.cold+0xa6/0xb6 [ 75.230632] exit_signals+0x1c/0x2e0 [ 75.234632] do_exit+0xd5/0xb00 [ 75.238144] ? ksys_write+0x68/0xf0 [ 75.242051] rewind_stack_do_exit+0x17/0x20 [ 75.246728] RIP: 0033:0x7fe253bc58f3 [ 75.250726] Code: 8b 15 a1 25 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 [ 75.271712] RSP: 002b:00007fff4f49b908 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 75.280177] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007fe253bc58f3 [ 75.288153] RDX: 000000000000000b RSI: 00007fe253ab8000 RDI: 0000000000000001 [ 75.296127] RBP: 00007fe253ab8000 R08: 00007fe253ab7010 R09: 0000000000000000 [ 75.304103] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 75.312080] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 74.259239] RBP: ffffffffa180b620 R08: 0000000000000001 R09: 0000000000000001 # [ 74.267216] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 74.275197] R13: ffffb13cc13f7f10 R14: ffffb13cc13f7f10 R15: ffffa079437f0000 # [ 74.283176] FS: 00007fb5dd467580(0000) GS:ffffa079bbc00000(0000) knlGS:0000000000000000 # [ 74.292223] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 74.298650] CR2: ffffffffa3008660 CR3: 0000000103a8e000 CR4: 00000000003506f0 # [ 74.306631] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 74.316553] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1642, name: cat # [ 74.325016] INFO: lockdep is turned off. # [ 74.329399] irq event stamp: 0 # [ 74.332815] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 74.339826] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 74.348968] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 74.358110] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 74.365120] CPU: 0 PID: 1642 Comm: cat Tainted: G D W 5.10.158-cip21 #1 # [ 74.373779] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 74.380395] Call Trace: # [ 74.383136] dump_stack+0x77/0x9b # [ 74.386849] ___might_sleep.cold+0xa6/0xb6 # [ 74.391433] exit_signals+0x1c/0x2e0 # [ 74.395433] do_exit+0xd5/0xb00 # [ 74.398947] ? ksys_write+0x68/0xf0 # [ 74.402853] rewind_stack_do_exit+0x17/0x20 # [ 74.407530] RIP: 0033:0x7fb5dd37d8f3 # [ 74.411518] Code: 8b 15 a1 25 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 # [ 74.432506] RSP: 002b:00007ffcf09a6598 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 74.440975] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fb5dd37d8f3 # [ 74.448954] RDX: 000000000000000a RSI: 00007fb5dd270000 RDI: 0000000000000001 # [ 74.456932] RBP: 00007fb5dd270000 R08: 00007fb5dd26f010 R09: 0000000000000000 # [ 74.464912] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 74.472893] 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 # [ 74.783970] lkdtm: Performing direct entry EXEC_STACK # [ 74.792170] lkdtm: attempting ok execution at ffffffffa06e03e0 # [ 74.798732] lkdtm: attempting bad execution at ffffb13cc2187e18 # [ 74.805389] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 74.819932] BUG: unable to handle page fault for address: ffffb13cc2187e18 # [ 74.827617] #PF: supervisor instruction fetch in kernel mode # [ 74.840144] #PF: error_code(0x0011) - permissions violation # [ 74.846371] PGD 100000067 P4D 100000067 PUD 10020b067 PMD 103fe3067 PTE 8000000104ced063 # [ 74.861643] Oops[ 75.614338] lkdtm: Performing direct entry EXEC_KMALLOC [ 75.624357] lkdtm: attempting ok execution at ffffffffa06e03e0 [ 75.630911] lkdtm: attempting bad execution at ffffa07945a86700 : 0011 [#6] SMP PTI # [ 74.865546] CPU: 2 PID: 1678 Comm: cat[ 75.637560] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 75.652111] BUG: unable to handle page fault for address: ffffa07945a86700 [ 75.659796] #PF: supervisor instruction fetch in kernel mode [ 75.666121] #PF: error_code(0x0011) - permissions violation [ 75.672349] PGD 124001067 P4D 124001067 PUD 100214063 PMD 1058dc063 PTE 8000000105a86063 [ 75.681410] Oops: 0011 [#7] SMP PTI [ 75.685312] CPU: 2 PID: 1714 Comm: cat Tainted: G D W 5.10.158-cip21 #1 Tainted: G D W 5.10.158-cip21 #1 # [ 74.874203][ 75.693964] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 75.706793] RIP: 0010:0xffffa07945a86700 [ 75.711180] Code: 00 00 02 00 00 00 00 00 00 00 80 66 a8 45 79 a0 ff ff 04 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 2b 24 f0 9f 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 [ 75.732179] RSP: 0018:ffffb13cc220fe38 EFLAGS: 00010246 [ 75.738023] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 75.745998] RDX: 0000000000000000 RSI: ffffa079bbd1bf70 RDI: ffffa079bbd1bf70 [ 75.753968] RBP: ffffa07945a86700 R08: 0000000000000000 R09: 0000000000000000 [ 75.761940] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d [ 75.769915] R13: ffffb13cc220ff10 R14: ffffb13cc220ff10 R15: ffffa079441fd000 [ 75.777888] FS: 00007f75c33ad580(0000) GS:ffffa079bbd00000(0000) knlGS:0000000000000000 [ 75.786922] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 75.793343] CR2: ffffa07945a86700 CR3: 0000000104860000 CR4: 00000000003506e0 [ 75.801317] Call Trace: [ 75.804063] ? execute_location+0x48/0x56 [ 75.808551] ? lkdtm_EXEC_KMALLOC+0x2c/0x40 [ 75.813226] ? direct_entry.cold+0x2c/0x38 [ 75.817808] ? full_proxy_write+0x56/0x80 [ 75.822292] ? vfs_write+0xea/0x3a0 [ 75.826191] ? ksys_write+0x68/0xf0 [ 75.830093] ? do_syscall_64+0x33/0x40 [ 75.834285] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 75.840134] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_dev x86_pkg_temp_thermal cros_usbpd_notify [ 75.856109] CR2: ffffa07945a86700 [ 75.859815] ---[ end trace c11ce2c5dc035d48 ]--- [ 75.864975] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 75.869350] Code: 89 ff e8 5e a6 a3 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 00 86 92 02 [ 75.890328] RSP: 0018:ffffb13cc13f7e60 EFLAGS: 00010282 [ 75.896165] RAX: ffffffffa06e0010 RBX: 0000000000000001 RCX: 0000000000000000 [ 75.904135] RDX: 0000000000000000 RSI: ffffa079bbc1bf70 RDI: ffffffffa13cdcb0 [ 75.912109] RBP: ffffffffa180b620 R08: 0000000000000001 R09: 0000000000000001 [ 75.920081] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 75.928053] R13: ffffb13cc13f7f10 R14: ffffb13cc13f7f10 R15: ffffa079437f0000 [ 75.936026] FS: 00007f75c33ad580(0000) GS:ffffa079bbd00000(0000) knlGS:0000000000000000 [ 75.945070] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 75.951491] CR2: ffffa07945a86700 CR3: 0000000104860000 CR4: 00000000003506e0 Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 74.887037] RIP: 0010:0xffffb13cc2187e18 # [ 74.891425] Code: 00 00 18 7e 18 c2 3c b1 ff ff f4 d5 d3 a0 ff ff ff ff 20 00 00 00 00 00 00 00 16 02 7b a1 ff ff ff ff 20 d7 d3 a0 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 # [ 74.912420] RSP: 0018:ffffb13cc2187df8 EFLAGS: 00010246 # [ 74.918264] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 74.926241] RDX: 0000000000000000 RSI: ffffa079bbd1bf70 RDI: ffffa079bbd1bf70 # [ 74.934218] RBP: ffffb13cc2187e18 R08: 0000000000000000 R09: 0000000000000000 # [ 74.942194] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b # [ 74.950171] R13: ffffb13cc2187f10 R14: ffffb13cc2187f10 R15: ffffa079441c1000 # [ 74.958146] FS: 00007fe253caf580(0000) GS:ffffa079bbd00000(0000) knlGS:0000000000000000 # [ 74.967191] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 74.973614] CR2: ffffb13cc2187e18 CR3: 00000001031fc000 CR4: 00000000003506e0 # [ 74.981589] Call Trace: # [ 74.984334] ? execute_location+0x48/0x56 # [ 74.988822] ? lkdtm_EXEC_STACK+0x26/0x44 # [ 74.993308] ? direct_entry.cold+0x2c/0x38 # [ 74.997890] ? full_proxy_write+0x56/0x80 # [ 75.002381] ? vfs_write+0xea/0x3a0 # [ 75.012490] ? ksys_write+0x68/0xf0 # [ 75.016391] ? do_syscall_64+0x33/0x40 # [ 75.020582] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 75.026434] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_dev x86_pkg_temp_thermal cros_usbpd_notify # [ 75.042414] CR2: ffffb13cc2187e18 # [ 75.046122] ---[ end trace c11ce2c5dc035d47 ]--- # [ 75.051287] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 75.055673] Code: 89 ff e8 5e a6 a3 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 00 86 92 02 # [ 75.076667] RSP: 0018:ffffb13cc13f7e60 EFLAGS: 00010282 # [ 75.082509] RAX: ffffffffa06e0010 RBX: 0000000000000001 RCX: 0000000000000000 # [ 75.090484] RDX: 0000000000000000 RSI: ffffa079bbc1bf70 RDI: ffffffffa13cdcb0 # [ 75.098458] RBP: ffffffffa180b620 R08: 0000000000000001 R09: 0000000000000001 # [ 75.106437] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 75.114414] R13: ffffb13cc13f7f10 R14: ffffb13cc13f7f10 R15: ffffa079437f0000 # [ 75.122392] FS: 00007fe253caf580(0000) GS:ffffa079bbd00000(0000) knlGS:0000000000000000 # [ 75.131441] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 75.137864] CR2: ffffb13cc2187e18 CR3: 00000001031fc000 CR4: 00000000003506e0 # [ 75.145843] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h[ 76.230758] lkdtm: Performing direct entry EXEC_VMALLOC :49 # [ 75.155766] in_atomic(): 0, irqs_disabled(): 1, non_bl[ 76.238879] lkdtm: attempting ok execution at ffffffffa06e03e0 [ 76.251629] lkdtm: attempting bad execution at ffffb13cc066d000 [ 76.258284] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 76.266653] BUG: unable to handle page fault for address: ffffb13cc066d000 [ 76.274341] #PF: supervisor instruction fetch in kernel mode [ 76.280663] #PF: error_code(0x0011) - permissions violation ock: 0, pid: 1678, name: cat # [ 75.164231] INFO: lockdep is [ 76.286891] PGD 100000067 P4D 100000067 PUD 10020b067 PMD 104c27067 PTE 8000000105ab0063 [ 76.302151] Oops: 0011 [#8] SMP PTI [ 76.306051] CPU: 0 PID: 1750 Comm: cat Tainted: G D W 5.10.158-cip21 #1 [ 76.314702] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 76.321319] RIP: 0010:0xffffb13cc066d000 [ 76.325703] Code: Unable to access opcode bytes at RIP 0xffffb13cc066cfd6. [ 76.333384] RSP: 0018:ffffb13cc227fe38 EFLAGS: 00010246 [ 76.339222] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 76.347196] RDX: 0000000000000000 RSI: ffffa079bbc1bf70 RDI: ffffa079bbc1bf70 [ 76.355170] RBP: ffffb13cc066d000 R08: 0000000000000000 R09: 0000000000000000 [ 76.363145] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d [ 76.371121] R13: ffffb13cc227ff10 R14: ffffb13cc227ff10 R15: ffffa07945ab0000 [ 76.379094] FS: 00007fb6932ab580(0000) GS:ffffa079bbc00000(0000) knlGS:0000000000000000 [ 76.388138] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 76.394556] CR2: ffffb13cc066cfd6 CR3: 0000000104e16000 CR4: 00000000003506f0 [ 76.402529] Call Trace: [ 76.405274] ? execute_location+0x48/0x56 [ 76.409760] ? lkdtm_EXEC_VMALLOC+0x20/0x30 [ 76.414434] ? direct_entry.cold+0x2c/0x38 [ 76.419011] ? full_proxy_write+0x56/0x80 [ 76.423495] ? vfs_write+0xea/0x3a0 [ 76.427394] ? ksys_write+0x68/0xf0 [ 76.431294] ? do_syscall_64+0x33/0x40 [ 76.435476] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 76.441326] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_dev x86_pkg_temp_thermal cros_usbpd_notify [ 76.457297] CR2: ffffb13cc066d000 [ 76.461003] ---[ end trace c11ce2c5dc035d49 ]--- [ 76.466166] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 76.470550] Code: 89 ff e8 5e a6 a3 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 00 86 92 02 [ 76.491541] RSP: 0018:ffffb13cc13f7e60 EFLAGS: 00010282 [ 76.497384] RAX: ffffffffa06e0010 RBX: 0000000000000001 RCX: 0000000000000000 [ 76.505362] RDX: 0000000000000000 RSI: ffffa079bbc1bf70 RDI: ffffffffa13cdcb0 [ 76.513337] RBP: ffffffffa180b620 R08: 0000000000000001 R09: 0000000000000001 [ 76.521314] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 76.529293] R13: ffffb13cc13f7f10 R14: ffffb13cc13f7f10 R15: ffffa079437f0000 [ 76.537272] FS: 00007fb6932ab580(0000) GS:ffffa079bbc00000(0000) knlGS:0000000000000000 [ 76.546316] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 76.552739] CR2: ffffb13cc066cfd6 CR3: 0000000104e16000 CR4: 00000000003506f0 [ 76.560721] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 76.570640] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1750, name: cat [ 76.579099] INFO: lockdep is turned off. [ 76.583478] irq event stamp: 0 [ 76.586890] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 76.593895] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 76.603034] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 76.612172] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 76.619178] CPU: 0 PID: 1750 Comm: cat Tainted: G D W 5.10.158-cip21 #1 [ 76.627832] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 76.634446] Call Trace: [ 76.637185] dump_stack+0x77/0x9b [ 76.640893] ___might_sleep.cold+0xa6/0xb6 [ 76.645474] exit_signals+0x1c/0x2e0 [ 76.649472] do_exit+0xd5/0xb00 [ 76.652975] ? ksys_write+0x68/0xf0 [ 76.656878] rewind_stack_do_exit+0x17/0x20 [ 76.661554] RIP: 0033:0x7fb6931c18f3 [ 76.665551] Code: 8b 15 a1 25 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 [ 76.686528] RSP: 002b:00007fff45cb3948 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 76.694990] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007fb6931c18f3 [ 76.702964] RDX: 000000000000000d RSI: 00007fb6930b4000 RDI: 0000000000000001 [ 76.710936] RBP: 00007fb6930b4000 R08: 00007fb6930b3010 R09: 0000000000000000 [ 76.718908] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 76.726877] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 turned off. # [ 75.168614] irq event stamp: 0 # [ 75.172026] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 75.179035] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 75.188180] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 75.197323] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 75.204328] CPU: 2 PID: 1678 Comm: cat Tainted: G D W 5.10.158-cip21 #1 # [ 75.212980] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 75.219597] Call Trace: # [ 75.222337] dump_stack+0x77/0x9b # [ 75.226047] ___might_sleep.cold+0xa6/0xb6 # [ 75.230632] exit_signals+0x1c/0x2e0 # [ 75.234632] do_exit+0xd5/0xb00 # [ 75.238144] ? ksys_write+0x68/0xf0 # [ 75.242051] rewind_stack_do_exit+0x17/0x20 # [ 75.246728] RIP: 0033:0x7fe253bc58f3 # [ 75.250726] Code: 8b 15 a1 25 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 # [ 75.271712] RSP: 002b:00007fff4f49b908 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 75.280177] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007fe253bc58f3 # [ 75.288153] RDX: 000000000000000b RSI: 00007fe253ab8000 RDI: 0000000000000001 # [ 75.296127] RBP: 00007fe253ab8000 R08: 00007fe253ab7010 R09: 0000000000000000 # [ 75.304103] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 75.312080] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # EXEC_STACK: saw 'call trace:': ok ok 31 selftests: lkdtm: EXEC_STACK.sh # selftests: lkdtm: EXEC_KMALLOC.sh # Killed # [ 75.614338] lkdtm: Performing direct entry EXEC_KMALLOC # [ 75.624357] lkdtm: attempting ok execution at ffffffffa06e03e0 # [ 75.630911] lkdtm: attempting bad execution at ffffa07945a86700 # [ 75.637560] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 75.652111] BUG: unable to handle page fault for address: ffffa07945a86700 # [ 75.659796] #PF: supervisor instruction fetch in kernel mode # [ 75.666121] #PF: error_code(0x0011) - permissions violation # [ 75.672349] PGD 124001067 P4D 124001067 PUD 100214063 PMD 1058dc063 PTE 8000000105a86063 # [ 75.681410] Oops: 0011 [#7] SMP PTI # [ 75.685312] CPU: 2 PID: 1714 Comm: cat Tainted: G D W 5.10.158-cip21 #1 # [ 75.693964] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 75.706793] RIP: 0010:0xffffa07945a86700 # [ 75.711180] Code: 00 00 02 00 00 00 00 00 00 00 80 66 a8 45 79 a0 ff ff 04 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 2b 24 f0 9f 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 # [ 75.732179] RSP: 0018:ffffb13cc220fe38 EFLAGS: 00010246 # [ 75.738023] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 75.745998] RDX: 0000000000000000 RSI: ffffa079bbd1bf70 RDI: ffffa079bbd1bf70 # [ 75.753968] RBP: ffffa07945a86700 R[ 77.032846] lkdtm: Performing direct entry EXEC_RODATA [ 77.038962] lkdtm: attempting ok execution at ffffffffa06e03e0 [ 77.045516] lkdtm: attempting bad execution at ffffffffa13ce140 08: 0000000000000000 R09: 0000000000000000 # [ 75.761940] R10[ 77.052183] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 77.066717] BUG: unable to handle page fault for address: ffffffffa13ce140 : 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d [ 77.074403] #PF: supervisor instruction fetch in kernel mode [ 77.086940] #PF: error_code(0x0011) - permissions violation # [ 75.769915] R13: ffffb13cc220ff10 R14: ffffb13cc220ff10 R15[ 77.093170] PGD 122829067 P4D 122829067 PUD 12282a063 PMD 80000001220001e1 [ 77.107178] Oops: 0011 [#9] SMP PTI [ 77.111071] CPU: 1 PID: 1786 Comm: cat Tainted: G D W 5.10.158-cip21 #1 [ 77.119728] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 77.126354] RIP: 0010:lkdtm_rodata_do_nothing+0x0/0x10 [ 77.132102] Code: ff ff 90 eb d3 a0 ff ff ff ff 62 04 7b a1 ff ff ff ff d6 d2 d3 a0 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 [ 77.153087] RSP: 0018:ffffb13cc22c7e48 EFLAGS: 00010246 [ 77.158928] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 [ 77.166899] RDX: 0000000000000000 RSI: ffffa079bbc9bf70 RDI: ffffa079bbc9bf70 [ 77.174872] RBP: ffffffffa13ce140 R08: 0000000000000000 R09: 0000000000000000 [ 77.182849] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c [ 77.190823] R13: ffffb13cc22c7f10 R14: ffffb13cc22c7f10 R15: ffffa07945bf8000 [ 77.198803] FS: 00007fed01d0b580(0000) GS:ffffa079bbc80000(0000) knlGS:0000000000000000 [ 77.207845] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 77.214265] CR2: ffffffffa13ce140 CR3: 0000000105932000 CR4: 00000000003506e0 [ 77.222239] Call Trace: [ 77.224983] ? execute_location+0x48/0x56 [ 77.229465] ? direct_entry.cold+0x2c/0x38 [ 77.234039] ? full_proxy_write+0x56/0x80 [ 77.238525] ? vfs_write+0xea/0x3a0 [ 77.242423] ? ksys_write+0x68/0xf0 [ 77.246325] ? do_syscall_64+0x33/0x40 [ 77.250517] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 : ffffa079441fd000 # [ 75.777888] FS: 00007f75c33ad580(0000)[ 77.256357] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_dev x86_pkg_temp_thermal cros_usbpd_notify [ 77.278525] CR2: ffffffffa13ce140 [ 77.282229] ---[ end trace c11ce2c5dc035d4a ]--- [ 77.287389] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 77.291772] Code: 89 ff e8 5e a6 a3 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 00 86 92 02 [ 77.312760] RSP: 0018:ffffb13cc13f7e60 EFLAGS: 00010282 [ 77.318599] RAX: ffffffffa06e0010 RBX: 0000000000000001 RCX: 0000000000000000 [ 77.326574] RDX: 0000000000000000 RSI: ffffa079bbc1bf70 RDI: ffffffffa13cdcb0 [ 77.334546] RBP: ffffffffa180b620 R08: 0000000000000001 R09: 0000000000000001 [ 77.342517] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 77.350489] R13: ffffb13cc13f7f10 R14: ffffb13cc13f7f10 R15: ffffa079437f0000 [ 77.358460] FS: 00007fed01d0b580(0000) GS:ffffa079bbc80000(0000) knlGS:0000000000000000 [ 77.367500] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 77.373920] CR2: ffffffffa13ce140 CR3: 0000000105932000 CR4: 00000000003506e0 GS:ffffa079bbd00000(0000) knlGS:0000000000000000 # [ 75.786922] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 75.793343] CR2: ffffa07945a86700 CR3: 0000000104860000 CR4: 00000000003506e0 # [ 75.801317] Call Trace: # [ 75.804063] ? execute_location+0x48/0x56 # [ 75.808551] ? lkdtm_EXEC_KMALLOC+0x2c/0x40 # [ 75.813226] ? direct_entry.cold+0x2c/0x38 # [ 75.817808] ? full_proxy_write+0x56/0x80 # [ 75.822292] ? vfs_write+0xea/0x3a0 # [ 75.826191] ? ksys_write+0x68/0xf0 # [ 75.830093] ? do_syscall_64+0x33/0x40 # [ 75.834285] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 75.840134] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_dev x86_pkg_temp_thermal cros_usbpd_notify # [ 75.856109] CR2: ffffa07945a86700 # [ 75.859815] ---[ end trace c11ce2c5dc035d48 ]--- # [ 75.864975] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 75.869350] Code: 89 ff e8 5e a6 a3 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 00 86 92 02 # [ 75.890328] RSP: 0018:ffffb13cc13f7e60 EFLAGS: 00010282 # [ 75.896165] RAX: ffffffffa06e0010 RBX: 0000000000000001 RCX: 0000000000000000 # [ 75.904135] RDX: 0000000000000000 RSI: ffffa079bbc1bf70 RDI: ffffffffa13cdcb0 # [ 75.912109] RBP: ffffffffa180b620 R08: 0000000000000001 R09: 0000000000000001 # [ 75.920081] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 75.928053] R13: ffffb13cc13f7f10 R14: ffffb13cc13f7f10 R15: ffffa079437f0000 # [ 75.936026] FS: 00007f75c33ad580(0000) GS:ffffa079bbd00000(0000) knlGS:0000000000000000 # [ 75.945070] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 75.951491] CR2: ffffa07945a86700 CR3: 0000000104860000 CR4: 00000000003506e0 # EXEC_KMALLOC: saw 'call trace:': ok ok 32 selftests: lkdtm: EXEC_KMALLOC.sh # selftests: lkdtm: EXEC_VMALLOC.sh # Killed # [ 76.230758] lkdtm: Performing direct entry EXEC_VMALLOC # [ 76.238879] lkdtm: attempting ok execution at ffffffffa06e03e0 # [ 76.251629] lkdtm: attempting bad execution at ffffb13cc066d000 # [ 76.258284] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 76.266653] BUG: unable to handle page fault for address: ffffb13cc066d000 # [ 76.274341] #PF: supervisor instruction fetch in kernel mode # [ 76.280663] #PF: error_code(0x0011) - permissions violation # [ 76.286891] PGD 100000067 P4D 100000067 PUD 10020b067 PMD 104c27067 PTE 8000000105ab0063 # [ 76.302151] Oops: 0011 [#8] SMP PTI # [ 76.306051] CPU: 0 PID: 1750 Comm: cat Tainted: G D W 5.10.158-cip21 #1 # [ 76.314702] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 76.321319] RIP: 0010:0xffffb13cc066d000 # [ 76.325703] Code: Unable t[ 77.659837] lkdtm: Performing direct entry EXEC_USERSPACE [ 77.667706] lkdtm: attempting ok execution at ffffffffa06e03e0 o access opcode bytes at RIP 0xffffb13cc066cfd6. # [ 76.33338[ 77.674320] lkdtm: attempting bad execution at 00007f758dbbc000 4] RSP: 0018:ffffb13cc227fe38 EFLAGS: 00010246 # [ 76.339222][ 77.687206] unable to execute userspace code (SMEP?) (uid: 0) [ 77.699788] BUG: unable to handle page fault for address: 00007f758dbbc000 [ 77.707474] #PF: supervisor instruction fetch in kernel mode [ 77.713798] #PF: error_code(0x0011) - permissions violation RAX: 0000000000000033 RBX: 0000000000000001 RCX: 00000000000000[ 77.720026] PGD 8000000104c72067 P4D 8000000104c72067 PUD 1031d9067 PMD 105cc4067 PTE 11684e067 [ 77.735980] Oops: 0011 [#10] SMP PTI [ 77.739977] CPU: 2 PID: 1822 Comm: cat Tainted: G D W 5.10.158-cip21 #1 [ 77.748633] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 77.755255] RIP: 0010:0x7f758dbbc000 [ 77.759250] Code: Unable to access opcode bytes at RIP 0x7f758dbbbfd6. [ 77.766545] RSP: 0018:ffffb13cc2387e50 EFLAGS: 00010246 [ 77.772389] RAX: 0000000000000033 RBX: 0000000000000024 RCX: 0000000000000000 [ 77.780365] RDX: 0000000000000000 RSI: ffffa079bbd1bf70 RDI: ffffa079bbd1bf70 [ 77.788342] RBP: 00007f758dbbc000 R08: 0000000000000000 R09: 0000000000000000 [ 77.796320] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000f [ 77.804297] R13: ffffb13cc2387f10 R14: ffffb13cc2387f10 R15: ffffa079426ed000 [ 77.812274] FS: 00007f758db8d580(0000) GS:ffffa079bbd00000(0000) knlGS:0000000000000000 [ 77.821319] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 77.827743] CR2: 00007f758dbbc000 CR3: 0000000103b30000 CR4: 00000000003506e0 [ 77.835723] Call Trace: [ 77.838471] ? lkdtm_EXEC_USERSPACE.cold+0x69/0xae [ 77.843834] ? direct_entry.cold+0x2c/0x38 [ 77.848424] ? full_proxy_write+0x56/0x80 [ 77.852911] ? vfs_write+0xea/0x3a0 [ 77.856817] ? ksys_write+0x68/0xf0 [ 77.860721] ? do_syscall_64+0x33/0x40 [ 77.864913] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 77.870765] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_dev x86_pkg_temp_thermal cros_usbpd_notify [ 77.886741] CR2: 00007f758dbbc000 [ 77.890447] ---[ end trace c11ce2c5dc035d4b ]--- [ 77.895612] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 77.899991] Code: 89 ff e8 5e a6 a3 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 00 86 92 02 [ 77.920989] RSP: 0018:ffffb13cc13f7e60 EFLAGS: 00010282 [ 77.926831] RAX: ffffffffa06e0010 RBX: 0000000000000001 RCX: 0000000000000000 [ 77.934809] RDX: 0000000000000000 RSI: ffffa079bbc1bf70 RDI: ffffffffa13cdcb0 [ 77.942787] RBP: ffffffffa180b620 R08: 0000000000000001 R09: 0000000000000001 [ 77.950766] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 77.958744] R13: ffffb13cc13f7f10 R14: ffffb13cc13f7f10 R15: ffffa079437f0000 [ 77.966723] FS: 00007f758db8d580(0000) GS:ffffa079bbd00000(0000) knlGS:0000000000000000 [ 77.975763] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 77.982184] CR2: 00007f758dbbc000 CR3: 0000000103b30000 CR4: 00000000003506e0 [ 77.990158] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 78.000078] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1822, name: cat [ 78.008539] INFO: lockdep is turned off. [ 78.012920] irq event stamp: 0 [ 78.016336] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 78.023345] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 78.032482] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 78.041627] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 78.048636] CPU: 2 PID: 1822 Comm: cat Tainted: G D W 5.10.158-cip21 #1 [ 78.057296] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 78.063911] Call Trace: [ 78.066654] dump_stack+0x77/0x9b [ 78.070364] ___might_sleep.cold+0xa6/0xb6 [ 78.074947] exit_signals+0x1c/0x2e0 [ 78.078947] do_exit+0xd5/0xb00 [ 78.082459] ? ksys_write+0x68/0xf0 [ 78.086364] rewind_stack_do_exit+0x17/0x20 [ 78.091041] RIP: 0033:0x7f758daa38f3 [ 78.095038] Code: 8b 15 a1 25 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 [ 78.116034] RSP: 002b:00007ffe98bb0b68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 78.124500] RAX: ffffffffffffffda RBX: 000000000000000f RCX: 00007f758daa38f3 [ 78.132477] RDX: 000000000000000f RSI: 00007f758d996000 RDI: 0000000000000001 [ 78.140453] RBP: 00007f758d996000 R08: 00007f758d995010 R09: 0000000000000000 [ 78.148429] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 78.156404] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 00 # [ 76.347196] RDX: 0000000000000000 RSI: ffffa079bbc1bf70 RDI: ffffa079bbc1bf70 # [ 76.355170] RBP: ffffb13cc066d000 R08: 0000000000000000 R09: 0000000000000000 # [ 76.363145] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d # [ 76.371121] R13: ffffb13cc227ff10 R14: ffffb13cc227ff10 R15: ffffa07945ab0000 # [ 76.379094] FS: 00007fb6932ab580(0000) GS:ffffa079bbc00000(0000) knlGS:0000000000000000 # [ 76.388138] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 76.394556] CR2: ffffb13cc066cfd6 CR3: 0000000104e16000 CR4: 00000000003506f0 # [ 76.402529] Call Trace: # [ 76.405274] ? execute_location+0x48/0x56 # [ 76.409760] ? lkdtm_EXEC_VMALLOC+0x20/0x30 # [ 76.414434] ? direct_entry.cold+0x2c/0x38 # [ 76.419011] ? full_proxy_write+0x56/0x80 # [ 76.423495] ? vfs_write+0xea/0x3a0 # [ 76.427394] ? ksys_write+0x68/0xf0 # [ 76.431294] ? do_syscall_64+0x33/0x40 # [ 76.435476] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 76.441326] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_dev x86_pkg_temp_thermal cros_usbpd_notify # [ 76.457297] CR2: ffffb13cc066d000 # [ 76.461003] ---[ end trace c11ce2c5dc035d49 ]--- # [ 76.466166] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 76.470550] Code: 89 ff e8 5e a6 a3 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 00 86 92 02 # [ 76.491541] RSP: 0018:ffffb13cc13f7e60 EFLAGS: 00010282 # [ 76.497384] RAX: ffffffffa06e0010 RBX: 0000000000000001 RCX: 0000000000000000 # [ 76.505362] RDX: 0000000000000000 RSI: ffffa079bbc1bf70 RDI: ffffffffa13cdcb0 # [ 76.513337] RBP: ffffffffa180b620 R08: 0000000000000001 R09: 0000000000000001 # [ 76.521314] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 76.529293] R13: ffffb13cc13f7f10 R14: ffffb13cc13f7f10 R15: ffffa079437f0000 # [ 76.537272] FS: 00007fb6932ab580(0000) GS:ffffa079bbc00000(0000) knlGS:0000000000000000 # [ 76.546316] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 76.552739] CR2: ffffb13cc066cfd6 CR3: 0000000104e16000 CR4: 00000000003506f0 # [ 76.560721] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 76.570640] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1750, name: cat # [ 76.579099] INFO: lockdep is turned off. # [ 76.583478] irq event stamp: 0 # [ 76.586890] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 76.593895] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 76.603034] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 76.612172] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 76.619178] CPU: 0 PID: 1750 Comm: cat Tainted: G D W 5.10.158-cip21 #1 # [ 76.627832] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 76.634446] Call Trace: # [ 76.637185] dump_stack+0x77/0x9b # [ 76.640893] ___might_sle[ 78.468514] lkdtm: Performing direct entry EXEC_NULL [ 78.474679] lkdtm: attempting ok execution at ffffffffa06e03e0 [ 78.481225] lkdtm: attempting bad execution at 0000000000000000 ep.cold+0xa6/0xb6 # [ 76.645474] exit_signals+0x1c/0x2e0 # [ 78.487907] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 78.501853] #PF: supervisor instruction fetch in kernel mode [ 78.508179] #PF: error_code(0x0010) - not-present page [ 76.649472] do_exit+0xd5/0xb00 # [ 76.652975] ? ksys_wri[ 78.513924] PGD 0 P4D 0 [ 78.522962] Oops: 0010 [#11] SMP PTI [ 78.526964] CPU: 0 PID: 1858 Comm: cat Tainted: G D W 5.10.158-cip21 #1 [ 78.535621] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 78.542241] RIP: 0010:0x0 te+0x68/0xf0 # [ 76.656878] rewind_stack_do_exit+0x17/0x20 [ 78.545173] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6. [ 78.559064] RSP: 0018:ffffb13cc240fe48 EFLAGS: 00010246 [ 78.564904] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 [ 78.572876] RDX: 0000000000000000 RSI: ffffa079bbc1bf70 RDI: ffffa079bbc1bf70 [ 78.580850] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 78.588827] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a [ 78.596800] R13: ffffb13cc240ff10 R14: ffffb13cc240ff10 R15: ffffa07945ab7000 [ 78.604773] FS: 00007ff3815e6580(0000) GS:ffffa079bbc00000(0000) knlGS:0000000000000000 [ 78.613816] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 78.620239] CR2: ffffffffffffffd6 CR3: 000000010413c000 CR4: 00000000003506f0 [ 78.628210] Call Trace: [ 78.630953] execute_location+0x48/0x56 [ 78.635243] direct_entry.cold+0x2c/0x38 [ 78.639630] full_proxy_write+0x56/0x80 [ 78.643920] vfs_write+0xea/0x3a0 [ 78.647627] ksys_write+0x68/0xf0 [ 78.651336] do_syscall_64+0x33/0x40 [ 78.655338] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 78.660986] RIP: 0033:0x7ff3814fc8f3 [ 78.664987] Code: 8b 15 a1 25 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 [ 78.685977] RSP: 002b:00007fffc19fc7f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 78.694440] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007ff3814fc8f3 [ 78.702418] RDX: 000000000000000a RSI: 00007ff3813ef000 RDI: 0000000000000001 [ 78.710392] RBP: 00007ff3813ef000 R08: 00007ff3813ee010 R09: 0000000000000000 [ 78.718366] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 78.726338] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 78.734320] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_dev x86_pkg_temp_thermal cros_usbpd_notify [ 78.750289] CR2: 0000000000000000 [ 78.753996] ---[ end trace c11ce2c5dc035d4c ]--- # [ 76.661554] RIP: 0033:0x7fb6931c18f3 # [ 76.665551] Code[ 78.759152] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 78.769754] Code: 89 ff e8 5e a6 a3 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 00 86 92 02 [ 78.790739] RSP: 0018:ffffb13cc13f7e60 EFLAGS: 00010282 [ 78.796571] RAX: ffffffffa06e0010 RBX: 0000000000000001 RCX: 0000000000000000 [ 78.804547] RDX: 0000000000000000 RSI: ffffa079bbc1bf70 RDI: ffffffffa13cdcb0 [ 78.812522] RBP: ffffffffa180b620 R08: 0000000000000001 R09: 0000000000000001 [ 78.820496] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 78.828469] R13: ffffb13cc13f7f10 R14: ffffb13cc13f7f10 R15: ffffa079437f0000 [ 78.836444] FS: 00007ff3815e6580(0000) GS:ffffa079bbc00000(0000) knlGS:0000000000000000 [ 78.845484] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 78.851902] CR2: ffffffffffffffd6 CR3: 000000010413c000 CR4: 00000000003506f0 : 8b 15 a1 25 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 # [ 76.686528] RSP: 002b:00007fff45cb3948 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 76.694990] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007fb6931c18f3 # [ 76.702964] RDX: 000000000000000d RSI: 00007fb6930b4000 RDI: 0000000000000001 # [ 76.710936] RBP: 00007fb6930b4000 R08: 00007fb6930b3010 R09: 0000000000000000 # [ 76.718908] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 76.726877] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # EXEC_VMALLOC: saw 'call trace:': ok ok 33 selftests: lkdtm: EXEC_VMALLOC.sh # selftests: lkdtm: EXEC_RODATA.sh # Killed # [ 77.032846] lkdtm: Performing direct entry EXEC_RODATA # [ 77.038962] lkdtm: attempting ok execution at ffffffffa06e03e0 # [ 77.045516] lkdtm: attempting bad execution at ffffffffa13ce140 # [ 77.052183] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 77.066717] BUG: unable to handle page fault for address: ffffffffa13ce140 # [ 77.074403] #PF: supervisor instruction fetch in kernel mode # [ 77.086940] #PF: error_code(0x0011) - permissions violation # [ 77.093170] PGD 122829067 P4D 122829067 PUD 12282a063 PMD 80000001220001e1 # [ 77.107178] Oops: 0011 [#9] SMP PTI # [ 77.111071] CPU: 1 PID: 1786 Comm: cat Tainted: G D W 5.10.158-cip21 #1 # [ 77.119728] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 77.126354] RIP: 0010:lkdtm_rodata_do_nothing+0x0/0x10 # [ 77.132102] Code: ff ff 90 eb d3 a0 ff ff ff ff 62 04 7b a1 ff ff ff ff d6 d2 d3 a0 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 # [ 77.153087] RSP: 0018:ffffb13cc22c7e48 EFLAGS: 00010246 # [ 77.158928] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 # [ 77.166899] RDX: 0000000000000000 RSI: ffffa079bbc9bf70 RDI: ffffa079bbc9bf70 # [ 77.174872] RBP: ffffffffa13ce140 R08: 0000000000000000 R09: 0000000000000000 # [ 77.182849] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c # [ 77.190823] R13: ffffb13cc22c7f10 R14: ffffb13cc22c7f10 R15: ffffa07945bf8000 # [ 77.198803] FS: 00007fed01d0b580(0000) GS:ffffa079bbc80000(0000) knlGS:0000000000000000 # [ 77.207845] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 77.214265] CR2: ffffffffa13ce140 CR3: 0000000105932000 CR4: 00000000003506e0 # [ 77.222239] Call Trace: # [ 77.224983] ? execute_location+0x48/0x56 # [ 77.229465] ? direct_entry.cold+0x2c/0x38 # [ 77.234039] ? full_proxy_write+0x56/0x80 # [ 77.238525] ? vfs_write+0xea/0x3a0 # [ 77.242423] ? ksys_write+0x68/0xf0 # [ 77.246325] ? do_syscall_64+0x33/0x40 # [ 77.250517] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 77.256357[ 79.148060] lkdtm: Performing direct entry ACCESS_USERSPACE [ 79.158258] lkdtm: attempting bad read at 00007f8dacd8c000 [ 79.164439] BUG: unable to handle page fault for address: 00007f8dacd8c000 [ 79.172129] #PF: supervisor read access in kernel mode [ 79.177869] #PF: error_code(0x0001) - permissions violation [ 79.184095] PGD 800000010266f067 P4D 800000010266f067 PUD 1009a5067 PMD 1059cb067 PTE 10ae89067 [ 79.193837] Oops: 0001 [#12] SMP PTI [ 79.197834] CPU: 0 PID: 1893 Comm: cat Tainted: G D W 5.10.158-cip21 #1 [ 79.206495] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 79.213124] RIP: 0010:lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3 [ 79.219355] Code: 00 00 00 75 64 48 83 c4 10 5d c3 cc cc cc cc 48 89 ee 48 c7 c7 80 11 7b a1 e8 6c 99 fd ff 48 c7 c7 a8 11 7b a1 b8 de c0 de c0 <48> 03 45 00 48 89 04 24 e8 53 99 fd ff 48 89 ee 48 c7 c7 d0 11 7b [ 79.240338] RSP: 0018:ffffb13cc2487e48 EFLAGS: 00010246 [ 79.246181] RAX: 00000000c0dec0de RBX: 0000000000000026 RCX: 0000000000000000 [ 79.254158] RDX: 0000000000000000 RSI: ffffa079bbc1bf70 RDI: ffffffffa17b11a8 [ 79.262135] RBP: 00007f8dacd8c000 R08: 0000000000000000 R09: 0000000000000000 [ 79.270108] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000011 [ 79.278082] R13: ffffb13cc2487f10 R14: ffffb13cc2487f10 R15: ffffa079431fc000 [ 79.286062] FS: 00007f8dacd5d580(0000) GS:ffffa079bbc00000(0000) knlGS:0000000000000000 [ 79.295106] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 79.301530] CR2: 00007f8dacd8c000 CR3: 0000000105932000 CR4: 00000000003506f0 [ 79.309506] Call Trace: [ 79.312249] direct_entry.cold+0x2c/0x38 [ 79.316631] full_proxy_write+0x56/0x80 [ 79.320923] vfs_write+0xea/0x3a0 [ 79.324631] ksys_write+0x68/0xf0 [ 79.328339] do_syscall_64+0x33/0x40 [ 79.332337] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 79.337983] RIP: 0033:0x7f8dacc738f3 [ 79.341980] Code: 8b 15 a1 25 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 [ 79.362974] RSP: 002b:00007ffff96bd758 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 79.371424] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007f8dacc738f3 [ 79.379394] RDX: 0000000000000011 RSI: 00007f8dacb66000 RDI: 0000000000000001 [ 79.387366] RBP: 00007f8dacb66000 R08: 00007f8dacb65010 R09: 0000000000000000 [ 79.395337] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 79.403310] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 79.411293] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_dev x86_pkg_temp_thermal cros_usbpd_notify [ 79.427258] CR2: 00007f8dacd8c000 [ 79.430964] ---[ end trace c11ce2c5dc035d4d ]--- [ 79.436120] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 79.440501] Code: 89 ff e8 5e a6 a3 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 00 86 92 02 [ 79.461483] RSP: 0018:ffffb13cc13f7e60 EFLAGS: 00010282 [ 79.467325] RAX: ffffffffa06e0010 RBX: 0000000000000001 RCX: 0000000000000000 [ 79.475300] RDX: 0000000000000000 RSI: ffffa079bbc1bf70 RDI: ffffffffa13cdcb0 [ 79.483278] RBP: ffffffffa180b620 R08: 0000000000000001 R09: 0000000000000001 [ 79.491250] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 79.499227] R13: ffffb13cc13f7f10 R14: ffffb13cc13f7f10 R15: ffffa079437f0000 [ 79.507202] FS: 00007f8dacd5d580(0000) GS:ffffa079bbc00000(0000) knlGS:0000000000000000 [ 79.516245] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 79.522668] CR2: 00007f8dacd8c000 CR3: 0000000105932000 CR4: 00000000003506f0 [ 79.530644] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 79.540560] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1893, name: cat [ 79.549021] INFO: lockdep is turned off. [ 79.553400] irq event stamp: 0 [ 79.556812] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 79.563820] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 79.572959] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 79.582099] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 79.589104] CPU: 0 PID: 1893 Comm: cat Tainted: G D W 5.10.158-cip21 #1 [ 79.597757] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 79.604375] Call Trace: [ 79.607112] dump_stack+0x77/0x9b [ 79.610822] ___might_sleep.cold+0xa6/0xb6 [ 79.615403] exit_signals+0x1c/0x2e0 [ 79.619399] do_exit+0xd5/0xb00 [ 79.622913] ? ksys_write+0x68/0xf0 [ 79.626816] rewind_stack_do_exit+0x17/0x20 [ 79.631489] RIP: 0033:0x7f8dacc738f3 [ 79.635485] Code: 8b 15 a1 25 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 [ 79.656473] RSP: 002b:00007ffff96bd758 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 79.664936] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007f8dacc738f3 [ 79.672907] RDX: 0000000000000011 RSI: 00007f8dacb66000 RDI: 0000000000000001 [ 79.680880] RBP: 00007f8dacb66000 R08: 00007f8dacb65010 R09: 0000000000000000 [ 79.688851] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 79.696824] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_dev x86_pkg_temp_thermal cros_usbpd_notify # [ 77.278525] CR2: ffffffffa13ce140 # [ 77.282229] ---[ end trace c11ce2c5dc035d4a ]--- # [ 77.287389] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 77.291772] Code: 89 ff e8 5e a6 a3 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 00 86 92 02 # [ 77.312760] RSP: 0018:ffffb13cc13f7e60 EFLAGS: 00010282 # [ 77.318599] RAX: ffffffffa06e0010 RBX: 0000000000000001 RCX: 0000000000000000 # [ 77.326574] RDX: 0000000000000000 RSI: ffffa079bbc1bf70 RDI: ffffffffa13cdcb0 # [ 77.334546] RBP: ffffffffa180b620 R08: 0000000000000001 R09: 0000000000000001 # [ 77.342517] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 77.350489] R13: ffffb13cc13f7f10 R14: ffffb13cc13f7f10 R15: ffffa079437f0000 # [ 77.358460] FS: 00007fed01d0b580(0000) GS:ffffa079bbc80000(0000) knlGS:0000000000000000 # [ 77.367500] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 77.373920] CR2: ffffffffa13ce140 CR3: 0000000105932000 CR4: 00000000003506e0 # EXEC_RODATA: saw 'call trace:': ok ok 34 selftests: lkdtm: EXEC_RODATA.sh # selftests: lkdtm: EXEC_USERSPACE.sh # Killed # [ 77.659837] lkdtm: Performing direct entry EXEC_USERSPACE # [ 77.667706] lkdtm: attempting ok execution at ffffffffa06e03e0 # [ 77.674320] lkdtm: attempting bad execution at 00007f758dbbc000 # [ 77.687206] unable to execute userspace code (SMEP?) (uid: 0) # [ 77.699788] BUG: unable to handle page fault for address: 00007f758dbbc000 # [ 77.707474] #PF: supervisor instruction fetch in kernel mode # [ 77.713798] #PF: error_code(0x0011) - permissions violation # [ 77.720026] PGD 8000000104c72067 P4D 8000000104c72067 PUD 1031d9067 PMD 105cc4067 PTE 11684e067 # [ 77.735980] Oops: 0011 [#10] SMP PTI # [ 77.739977] CPU: 2 PID: 1822 Comm: cat Tainted: G D W 5.10.158-cip21 #1 # [ 77.748633] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 77.755255] RIP: 0010:0x7f758dbbc000 # [ 77.759250] Code: Unable to access opcode bytes at RIP 0x7f758dbbbfd6. # [ 77.766545] RSP: 0018:ffffb13cc2387e50 EFLAGS: 00010246 # [ 77.772389] RAX: 0000000000000033 RBX: 0000000000000024 RCX: 0000000000000000 # [ 77.780365] RDX: 0000000000000000 RSI: ffffa079bbd1bf70 RDI: ffffa079bbd1bf70 # [ 77.788342] RBP: 00007f758dbbc000 R08: 0000000000000000 R09: 0000000000000000 # [ 77.796320] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000f # [ 77.804297] R13: ffffb13cc2387f10 R14: ffffb13cc2387f10 R15: ffffa079426ed000 # [ 77.812274] FS: 00007f758db8d580(0000) GS:ffffa079bbd00000(0000) knlGS:0000000000000000 # [ 77.821319] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 77.827743] CR2: 00007f758dbbc000 CR3: 0000000103b30000 CR4: 00000000003506e0 # [ 77.835723] Call Trace: # [ 77.838471] ? lkdtm_EXEC_USERSPACE.cold+0x69/0xae # [ 77.843834] ? direct_entry.cold+0x2c/0x38 # [ 77.848424] ? full_proxy_write+0x56/0x80 # [ 77.852911] ? vfs_write+0xea/0x3a0 # [ 77.856817] ? ksys_write+0x68/0xf0 # [ 77.860721] ? do_syscall_64+0x33/0x40 # [ 77.864913] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 77.870765] Modules linked in: fuse ip_tables cros_ec_lightbar cros_e[ 80.038167] lkdtm: Performing direct entry ACCESS_NULL c_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_dev x86_pkg_temp[ 80.046482] lkdtm: attempting bad read at 0000000000000000 _thermal cros_usbpd_notify # [ 77.886741] CR2: 00007f758dbbc0[ 80.058867] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 80.072842] #PF: supervisor read access in kernel mode [ 80.078583] #PF: error_code(0x0000) - not-present page [ 80.084324] PGD 0 P4D 0 00 # [ 77.890447] ---[ end trace c11ce2c5dc035d4b ]--- # [ [ 80.087162] Oops: 0000 [#13] SMP PTI [ 80.097357] CPU: 1 PID: 1928 Comm: cat Tainted: G D W 5.10.158-cip21 #1 [ 80.106012] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 80.112636] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53 [ 80.117898] Code: 10 99 fd ff be 00 10 00 00 48 89 ef e8 95 a0 3c ff e9 69 ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 80 11 7b a1 e8 ea 98 fd ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 a8 11 7b a1 48 01 [ 80.138882] RSP: 0018:ffffb13cc24f7e58 EFLAGS: 00010246 [ 80.144723] RAX: 000000000000002e RBX: 0000000000000027 RCX: 0000000000000000 [ 80.152698] RDX: 0000000000000000 RSI: ffffa079bbc9bf70 RDI: ffffa079bbc9bf70 [ 80.160672] RBP: ffffffffa17b0271 R08: 0000000000000000 R09: 0000000000000000 [ 80.168648] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c [ 80.176621] R13: ffffb13cc24f7f10 R14: ffffb13cc24f7f10 R15: ffffa07943b21000 [ 80.184599] FS: 00007f64ef849580(0000) GS:ffffa079bbc80000(0000) knlGS:0000000000000000 [ 80.193643] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 80.200063] CR2: 0000000000000000 CR3: 000000010583e000 CR4: 00000000003506e0 [ 80.208040] Call Trace: [ 80.210788] direct_entry.cold+0x2c/0x38 [ 80.215184] full_proxy_write+0x56/0x80 [ 80.219479] vfs_write+0xea/0x3a0 [ 80.223189] ksys_write+0x68/0xf0 [ 80.226898] do_syscall_64+0x33/0x40 [ 80.230898] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 80.236551] RIP: 0033:0x7f64ef75f8f3 [ 80.240550] Code: 8b 15 a1 25 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 [ 80.261543] RSP: 002b:00007ffe968be9f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 80.270000] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f64ef75f8f3 [ 80.277977] RDX: 000000000000000c RSI: 00007f64ef652000 RDI: 0000000000000001 [ 80.285951] RBP: 00007f64ef652000 R08: 00007f64ef651010 R09: 0000000000000000 [ 80.293921] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 80.301892] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 77.895612] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 77.899991] Code:[ 80.309875] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_dev x86_pkg_temp_thermal cros_usbpd_notify [ 80.332039] CR2: 0000000000000000 [ 80.335746] ---[ end trace c11ce2c5dc035d4e ]--- [ 80.340907] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 80.345290] Code: 89 ff e8 5e a6 a3 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 00 86 92 02 [ 80.366268] RSP: 0018:ffffb13cc13f7e60 EFLAGS: 00010282 [ 80.372107] RAX: ffffffffa06e0010 RBX: 0000000000000001 RCX: 0000000000000000 [ 80.380079] RDX: 0000000000000000 RSI: ffffa079bbc1bf70 RDI: ffffffffa13cdcb0 [ 80.388052] RBP: ffffffffa180b620 R08: 0000000000000001 R09: 0000000000000001 [ 80.396025] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 80.403994] R13: ffffb13cc13f7f10 R14: ffffb13cc13f7f10 R15: ffffa079437f0000 [ 80.411969] FS: 00007f64ef849580(0000) GS:ffffa079bbc80000(0000) knlGS:0000000000000000 [ 80.421009] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 80.427429] CR2: 0000000000000000 CR3: 000000010583e000 CR4: 00000000003506e0 89 ff e8 5e a6 a3 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 00 86 92 02 # [ 77.920989] RSP: 0018:ffffb13cc13f7e60 EFLAGS: 00010282 # [ 77.926831] RAX: ffffffffa06e0010 RBX: 0000000000000001 RCX: 0000000000000000 # [ 77.934809] RDX: 0000000000000000 RSI: ffffa079bbc1bf70 RDI: ffffffffa13cdcb0 # [ 77.942787] RBP: ffffffffa180b620 R08: 0000000000000001 R09: 0000000000000001 # [ 77.950766] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 77.958744] R13: ffffb13cc13f7f10 R14: ffffb13cc13f7f10 R15: ffffa079437f0000 # [ 77.966723] FS: 00007f758db8d580(0000) GS:ffffa079bbd00000(0000) knlGS:0000000000000000 # [ 77.975763] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 77.982184] CR2: 00007f758dbbc000 CR3: 0000000103b30000 CR4: 00000000003506e0 # [ 77.990158] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 78.000078] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1822, name: cat # [ 78.008539] INFO: lockdep is turned off. # [ 78.012920] irq event stamp: 0 # [ 78.016336] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 78.023345] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 78.032482] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 78.041627] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 78.048636] CPU: 2 PID: 1822 Comm: cat Tainted: G D W 5.10.158-cip21 #1 # [ 78.057296] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 78.063911] Call Trace: # [ 78.066654] dump_stack+0x77/0x9b # [ 78.070364] ___might_sleep.cold+0xa6/0xb6 # [ 78.074947] exit_signals+0x1c/0x2e0 # [ 78.078947] do_exit+0xd5/0xb00 # [ 78.082459] ? ksys_write+0x68/0xf0 # [ 78.086364] rewind_stack_do_exit+0x17/0x20 # [ 78.091041] RIP: 0033:0x7f758daa38f3 # [ 78.095038] Code: 8b 15 a1 25 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 # [ 78.116034] RSP: 002b:00007ffe98bb0b68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 78.124500] RAX: ffffffffffffffda RBX: 000000000000000f RCX: 00007f758daa38f3 # [ 78.132477] RDX: 000000000000000f RSI: 00007f758d996000 RDI: 0000000000000001 # [ 78.140453] RBP: 00007f758d996000 R08: 00007f758d995010 R09: 0000000000000000 # [ 78.148429] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 78.156404] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # EXEC_USERSPACE: saw 'call trace:': ok ok 35 selftests: lkdtm: EXEC_USERSPACE.sh # selftests: lkdtm: EXEC_NULL.sh # Killed # [ 78.468514] lkdtm: Performing direct entry EXEC_NULL # [ 78.474679] lkdtm: attempting ok execution at fffff[ 80.722318] lkdtm: Performing direct entry WRITE_RO fffa06e03e0 # [ 78.481225] lkdtm: attempting bad execution at[ 80.733106] lkdtm: attempting bad rodata write at ffffffffa13ce130 0000000000000000 # [ 78.487907] BUG: kernel NULL pointer der[ 80.746259] BUG: unable to handle page fault for address: ffffffffa13ce130 [ 80.760148] #PF: supervisor write access in kernel mode [ 80.765988] #PF: error_code(0x0003) - permissions violation eference, address: 0000000000000000 # [ 78.501853] #PF: super[ 80.772219] PGD 122829067 P4D 122829067 PUD 12282a063 PMD 80000001220001e1 [ 80.786204] Oops: 0003 [#14] SMP PTI [ 80.790204] CPU: 1 PID: 1963 Comm: cat Tainted: G D W 5.10.158-cip21 #1 [ 80.798860] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 80.805489] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a [ 80.810460] Code: 00 48 c7 c7 60 10 7b a1 48 c7 c6 30 e1 3c a1 e8 94 9b fd ff 48 8b 05 0f 0b 69 00 ba 34 12 cd ab 48 c7 c7 90 10 7b a1 48 31 d0 <48> 89 05 f9 0a 69 00 e9 72 9b fd ff 0f 1f 44 00 00 48 8b 05 e8 ec [ 80.831452] RSP: 0018:ffffb13cc256fe60 EFLAGS: 00010202 [ 80.837285] RAX: 000000000198b861 RBX: 0000000000000028 RCX: 0000000000000000 [ 80.845258] RDX: 00000000abcd1234 RSI: ffffa079bbc9bf70 RDI: ffffffffa17b1090 [ 80.853231] RBP: ffffffffa17b027d R08: 0000000000000000 R09: 0000000000000000 [ 80.861202] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000009 [ 80.869174] R13: ffffb13cc256ff10 R14: ffffb13cc256ff10 R15: ffffa079409c1000 [ 80.877149] FS: 00007fbc93d96580(0000) GS:ffffa079bbc80000(0000) knlGS:0000000000000000 [ 80.886188] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 80.892607] CR2: ffffffffa13ce130 CR3: 00000001031fc000 CR4: 00000000003506e0 [ 80.900579] Call Trace: [ 80.903319] direct_entry.cold+0x2c/0x38 [ 80.907709] full_proxy_write+0x56/0x80 [ 80.912003] vfs_write+0xea/0x3a0 [ 80.915708] ksys_write+0x68/0xf0 [ 80.919414] do_syscall_64+0x33/0x40 [ 80.923411] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 80.929049] RIP: 0033:0x7fbc93cac8f3 [ 80.933035] Code: 8b 15 a1 25 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 [ 80.954018] RSP: 002b:00007ffda4b10a58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 80.962479] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007fbc93cac8f3 [ 80.970453] RDX: 0000000000000009 RSI: 00007fbc93b9f000 RDI: 0000000000000001 [ 80.978423] RBP: 00007fbc93b9f000 R08: 00007fbc93b9e010 R09: 0000000000000000 [ 80.986397] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 80.994367] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 visor instruction fetch in kernel mode # [ 78.508179] #PF: er[ 81.002351] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_dev x86_pkg_temp_thermal cros_usbpd_notify [ 81.024524] CR2: ffffffffa13ce130 [ 81.028230] ---[ end trace c11ce2c5dc035d4f ]--- [ 81.033393] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 81.037774] Code: 89 ff e8 5e a6 a3 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 00 86 92 02 [ 81.058762] RSP: 0018:ffffb13cc13f7e60 EFLAGS: 00010282 [ 81.064604] RAX: ffffffffa06e0010 RBX: 0000000000000001 RCX: 0000000000000000 [ 81.072582] RDX: 0000000000000000 RSI: ffffa079bbc1bf70 RDI: ffffffffa13cdcb0 [ 81.080554] RBP: ffffffffa180b620 R08: 0000000000000001 R09: 0000000000000001 [ 81.088528] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 81.096503] R13: ffffb13cc13f7f10 R14: ffffb13cc13f7f10 R15: ffffa079437f0000 [ 81.104481] FS: 00007fbc93d96580(0000) GS:ffffa079bbc80000(0000) knlGS:0000000000000000 [ 81.113524] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 81.119944] CR2: ffffffffa13ce130 CR3: 00000001031fc000 CR4: 00000000003506e0 [ 81.127923] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 81.137842] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1963, name: cat [ 81.146305] INFO: lockdep is turned off. [ 81.150688] irq event stamp: 0 [ 81.154098] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 81.161107] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 81.170253] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 81.179396] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 81.186403] CPU: 1 PID: 1963 Comm: cat Tainted: G D W 5.10.158-cip21 #1 [ 81.195058] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 81.201674] Call Trace: [ 81.204412] dump_stack+0x77/0x9b [ 81.208119] ___might_sleep.cold+0xa6/0xb6 [ 81.212701] exit_signals+0x1c/0x2e0 [ 81.216698] do_exit+0xd5/0xb00 [ 81.220210] ? ksys_write+0x68/0xf0 [ 81.224107] rewind_stack_do_exit+0x17/0x20 [ 81.228784] RIP: 0033:0x7fbc93cac8f3 [ 81.232780] Code: 8b 15 a1 25 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 [ 81.253767] RSP: 002b:00007ffda4b10a58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 81.262227] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007fbc93cac8f3 [ 81.270198] RDX: 0000000000000009 RSI: 00007fbc93b9f000 RDI: 0000000000000001 [ 81.278168] RBP: 00007fbc93b9f000 R08: 00007fbc93b9e010 R09: 0000000000000000 [ 81.286139] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 81.294108] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ror_code(0x0010) - not-present page # [ 78.513924] PGD 0 P4D 0 # [ 78.522962] Oops: 0010 [#11] SMP PTI # [ 78.526964] CPU: 0 PID: 1858 Comm: cat Tainted: G D W 5.10.158-cip21 #1 # [ 78.535621] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 78.542241] RIP: 0010:0x0 # [ 78.545173] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6. # [ 78.559064] RSP: 0018:ffffb13cc240fe48 EFLAGS: 00010246 # [ 78.564904] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 # [ 78.572876] RDX: 0000000000000000 RSI: ffffa079bbc1bf70 RDI: ffffa079bbc1bf70 # [ 78.580850] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 # [ 78.588827] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 78.596800] R13: ffffb13cc240ff10 R14: ffffb13cc240ff10 R15: ffffa07945ab7000 # [ 78.604773] FS: 00007ff3815e6580(0000) GS:ffffa079bbc00000(0000) knlGS:0000000000000000 # [ 78.613816] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 78.620239] CR2: ffffffffffffffd6 CR3: 000000010413c000 CR4: 00000000003506f0 # [ 78.628210] Call Trace: # [ 78.630953] execute_location+0x48/0x56 # [ 78.635243] direct_entry.cold+0x2c/0x38 # [ 78.639630] full_proxy_write+0x56/0x80 # [ 78.643920] vfs_write+0xea/0x3a0 # [ 78.647627] ksys_write+0x68/0xf0 # [ 78.651336] do_syscall_64+0x33/0x40 # [ 78.655338] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 78.660986] RIP: 0033:0x7ff3814fc8f3 # [ 78.664987] Code: 8b 15 a1 25 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 # [ 78.685977] RSP: 002b:00007fffc19fc7f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 78.694440] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007ff3814fc8f3 # [ 78.702418] RDX: 000000000000000a RSI: 00007ff3813ef000 RDI: 0000000000000001 # [ 78.710392] RBP: 00007ff3813ef000 R08: 00007ff3813ee010 R09: 0000000000000000 # [ 78.718366] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 78.726338] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 78.734320] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_dev x86_pkg_temp_thermal cros_usbpd_notify # [ 78.750289] CR2: 0000000000000000 # [ 78.753996] ---[ end trace c11ce2c5dc035d4c ]--- # [ 78.759152] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 78.769754] Code: 89 ff e8 5e a6 a3 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 00 86 92 02 # [ 78.790739] RSP: 0018:ffffb13cc13f7e60 EFLAGS: 00010282 # [ 78.796571] RAX: ffffffffa06e0010 RBX: 0000000000000001 RCX: 0000000000000000 # [ 78.804547] RDX: 0000000000000000 RSI: ffffa079bbc1bf70 RDI: ffffffffa13cdcb0 # [ 78.812522] RBP: ffffffffa180b620 R08: 0000000000000001 R09: 0000000000000001 # [ 78.820496] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 78.828469] R13: ffffb13cc13f7f10 R14: ffffb13cc13f7f10 R15: ffffa079437f0000 # [ 78.836444] FS: 00007ff3815e6580(0000) GS:ffffa079bbc00000(0000) knlGS:0000000000000000 # [ 78.845484] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 78.851902] CR2: ffffffffffffffd6 CR3: 000000010413c000 CR4: 00000000003506f0 # EXEC_NULL: saw 'call trace:': ok ok 36 selftests: lkdtm: EXEC_NULL.sh # selftests: lkdtm: ACCESS_USERSPACE.sh # Killed # [ 79.148060] lkdtm: Performing direct entry ACCESS_USERSPACE # [ 79.158258] lkdtm: attempting bad read at 00007f8dacd8c000 # [ 79.164439] BUG: unable to handle page fault for address: 00007f8dacd8c000 # [ 79.172129] #PF: supervisor read access in kernel mode # [ 79.177869] #PF: error_code(0x0001) - permissions violation # [ 79.1840[ 81.681262] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT 95] PGD 800000010266f067 P4D 800000010266f067 PUD 1009a5067 PMD [ 81.694027] lkdtm: attempting bad ro_after_init write at ffffffffa182c330 1059cb067 PTE 10ae89067 # [ 79.193837] Oops: 0001 [#12] SMP P[ 81.707883] BUG: unable to handle page fault for address: ffffffffa182c330 [ 81.721715] #PF: supervisor write access in kernel mode [ 81.727555] #PF: error_code(0x0003) - permissions violation [ 81.733784] PGD 122829067 P4D 122829067 PUD 12282a063 PMD 10005d163 PTE 800000012262c061 [ 81.742847] Oops: 0003 [#15] SMP PTI [ 81.746844] CPU: 3 PID: 1998 Comm: cat Tainted: G D W 5.10.158-cip21 #1 [ 81.755501] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 81.762131] RIP: 0010:lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a [ 81.768168] Code: 10 7b a1 e9 46 9b fd ff 48 c7 c7 e8 10 7b a1 e8 3a 9b fd ff 48 8b 05 b5 ec ae 00 ba 34 12 cd ab 48 c7 c7 90 10 7b a1 48 31 d0 <48> 89 05 9f ec ae 00 e9 18 9b fd ff 0f 1f 44 00 00 41 54 48 c7 c7 [ 81.789155] RSP: 0018:ffffb13cc25efe60 EFLAGS: 00010202 [ 81.794999] RAX: 00000000fe67479e RBX: 0000000000000029 RCX: 0000000000000000 [ 81.802974] RDX: 00000000abcd1234 RSI: ffffa079bbd9bf70 RDI: ffffffffa17b1090 [ 81.810950] RBP: ffffffffa17b0286 R08: 0000000000000000 R09: 0000000000000000 [ 81.818923] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000014 [ 81.826900] R13: ffffb13cc25eff10 R14: ffffb13cc25eff10 R15: ffffa07943169000 [ 81.834880] FS: 00007f49fb3cd580(0000) GS:ffffa079bbd80000(0000) knlGS:0000000000000000 [ 81.843924] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 81.850345] CR2: ffffffffa182c330 CR3: 00000001009a4000 CR4: 00000000003506e0 [ 81.858320] Call Trace: [ 81.861061] direct_entry.cold+0x2c/0x38 [ 81.865452] full_proxy_write+0x56/0x80 [ 81.869744] vfs_write+0xea/0x3a0 [ 81.873452] ksys_write+0x68/0xf0 [ 81.877159] do_syscall_64+0x33/0x40 [ 81.881159] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 81.886798] RIP: 0033:0x7f49fb2e38f3 [ 81.890797] Code: 8b 15 a1 25 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 [ 81.911794] RSP: 002b:00007ffe03ebef78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 81.920250] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f49fb2e38f3 [ 81.928223] RDX: 0000000000000014 RSI: 00007f49fb1d6000 RDI: 0000000000000001 [ 81.936199] RBP: 00007f49fb1d6000 R08: 00007f49fb1d5010 R09: 0000000000000000 [ 81.944174] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 81.952145] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 81.960129] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_dev x86_pkg_temp_thermal cros_usbpd_notify [ 81.976094] CR2: ffffffffa182c330 [ 81.979801] ---[ end trace c11ce2c5dc035d50 ]--- [ 81.984965] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 81.989345] Code: 89 ff e8 5e a6 a3 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 00 86 92 02 [ 82.010336] RSP: 0018:ffffb13cc13f7e60 EFLAGS: 00010282 [ 82.016173] RAX: ffffffffa06e0010 RBX: 0000000000000001 RCX: 0000000000000000 [ 82.024149] RDX: 0000000000000000 RSI: ffffa079bbc1bf70 RDI: ffffffffa13cdcb0 [ 82.032119] RBP: ffffffffa180b620 R08: 0000000000000001 R09: 0000000000000001 [ 82.040090] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 82.048066] R13: ffffb13cc13f7f10 R14: ffffb13cc13f7f10 R15: ffffa079437f0000 [ 82.056044] FS: 00007f49fb3cd580(0000) GS:ffffa079bbd80000(0000) knlGS:0000000000000000 [ 82.065089] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 82.071509] CR2: ffffffffa182c330 CR3: 00000001009a4000 CR4: 00000000003506e0 TI # [ 79.197834] CPU: 0 PID: 1893 Comm: cat Tainted: G D W 5.10.158-cip21 #1 # [ 79.206495] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 79.213124] RIP: 0010:lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3 # [ 79.219355] Code: 00 00 00 75 64 48 83 c4 10 5d c3 cc cc cc cc 48 89 ee 48 c7 c7 80 11 7b a1 e8 6c 99 fd ff 48 c7 c7 a8 11 7b a1 b8 de c0 de c0 <48> 03 45 00 48 89 04 24 e8 53 99 fd ff 48 89 ee 48 c7 c7 d0 11 7b # [ 79.240338] RSP: 0018:ffffb13cc2487e48 EFLAGS: 00010246 # [ 79.246181] RAX: 00000000c0dec0de RBX: 0000000000000026 RCX: 0000000000000000 # [ 79.254158] RDX: 0000000000000000 RSI: ffffa079bbc1bf70 RDI: ffffffffa17b11a8 # [ 79.262135] RBP: 00007f8dacd8c000 R08: 0000000000000000 R09: 0000000000000000 # [ 79.270108] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000011 # [ 79.278082] R13: ffffb13cc2487f10 R14: ffffb13cc2487f10 R15: ffffa079431fc000 # [ 79.286062] FS: 00007f8dacd5d580(0000) GS:ffffa079bbc00000(0000) knlGS:0000000000000000 # [ 79.295106] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 79.301530] CR2: 00007f8dacd8c000 CR3: 0000000105932000 CR4: 00000000003506f0 # [ 79.309506] Call Trace: # [ 79.312249] direct_entry.cold+0x2c/0x38 # [ 79.316631] full_proxy_write+0x56/0x80 # [ 79.320923] vfs_write+0xea/0x3a0 # [ 79.324631] ksys_write+0x68/0xf0 # [ 79.328339] do_syscall_64+0x33/0x40 # [ 79.332337] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 79.337983] RIP: 0033:0x7f8dacc738f3 # [ 79.341980] Code: 8b 15 a1 25 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 # [ 79.362974] RSP: 002b:00007ffff96bd758 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 79.371424] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007f8dacc738f3 # [ 79.379394] RDX: 0000000000000011 RSI: 00007f8dacb66000 RDI: 0000000000000001 # [ 79.387366] RBP: 00007f8dacb66000 R08: 00007f8dacb65010 R09: 0000000000000000 # [ 79.395337] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 79.403310] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 79.411293] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_dev x86_pkg_temp_thermal cros_usbpd_notify # [ 79.427258] CR2: 00007f8dacd8c000 # [ 79.430964] ---[ end trace c11ce2c5dc035d4d ]--- # [ 79.436120] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 79.440501] Code: 89 ff e8 5e a6 a3 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 00 86 92 02 # [ 79.461483] RSP: 0018:ffffb13cc13f7e60 EFLAGS: 00010282 # [ 79.467325] RAX: ffffffffa06e0010 RBX: 0000000000000001 RCX: 0000000000000000 # [ 79.475300] RDX: 0000000000000000 RSI: ffffa079bbc1bf70 RDI: ffffffffa13cdcb0 # [ 79.483278] RBP: ffffffffa180b620 R08: 0000000000000001 R09: 0000000000000001 # [ 79.491250] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 79.499227] R13: ffffb13cc13f7f10 R14: ffffb13cc13f7f10 R15: ffffa079437f0000 # [ 79.507202] FS: 00007f8dacd5d580(0000) GS:ffffa079bbc00000(0000) knlGS:0000000000000000 # [ 79.516245] CS: 0010 DS: 0000[ 82.403490] lkdtm: Performing direct entry WRITE_KERN ES: 0000 CR0: 0000000080050033 # [ 79.522668] CR2: 00007f8da[ 82.414650] lkdtm: attempting bad 6672827 byte write at ffffffffa0d3d59b cd8c000 CR3: 0000000105932000 CR4: 00000000003506f0 # [ 79.53[ 82.428424] BUG: unable to handle page fault for address: ffffffffa0d3d59b [ 82.442248] #PF: supervisor write access in kernel mode [ 82.448087] #PF: error_code(0x0003) - permissions violation [ 82.454313] PGD 122829067 P4D 122829067 PUD 12282a063 PMD 121a001e1 [ 82.461431] Oops: 0003 [#16] SMP PTI [ 82.465428] CPU: 3 PID: 2033 Comm: cat Tainted: G D W 5.10.158-cip21 #1 [ 82.474073] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 82.480696] RIP: 0010:lkdtm_WRITE_KERN+0x38/0x4e [ 82.485858] Code: 53 48 c7 c3 9b d5 d3 a0 49 89 dc 48 89 da 49 81 ec e0 03 6e a0 4c 89 e6 e8 ed 9a fd ff 48 89 df 4c 89 e1 48 c7 c6 e0 03 6e a0 a4 48 c7 c7 90 10 7b a1 e8 d2 9a fd ff 5b 41 5c e9 b7 fe ff ff [ 82.506845] RSP: 0018:ffffb13cc2677e50 EFLAGS: 00010246 [ 82.512681] RAX: 000000000000003c RBX: ffffffffa0d3d59b RCX: 000000000065d1bb [ 82.520649] RDX: 0000000000000000 RSI: ffffffffa06e03e0 RDI: ffffffffa0d3d59b [ 82.528619] RBP: ffffffffa17b029a R08: 0000000000000000 R09: 0000000000000000 [ 82.536591] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000065d1bb [ 82.544566] R13: ffffb13cc2677f10 R14: ffffb13cc2677f10 R15: ffffa07944dd0000 [ 82.552544] FS: 00007f09b641c580(0000) GS:ffffa079bbd80000(0000) knlGS:0000000000000000 [ 82.561588] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 82.568007] CR2: ffffffffa0d3d59b CR3: 00000001031fc000 CR4: 00000000003506e0 [ 82.575981] Call Trace: [ 82.578723] direct_entry.cold+0x2c/0x38 [ 82.583114] full_proxy_write+0x56/0x80 [ 82.587406] vfs_write+0xea/0x3a0 [ 82.591112] ksys_write+0x68/0xf0 [ 82.594813] do_syscall_64+0x33/0x40 [ 82.598812] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 82.604460] RIP: 0033:0x7f09b63328f3 [ 82.608459] Code: 8b 15 a1 25 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 [ 82.629458] RSP: 002b:00007ffc66be2f88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 82.637923] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f09b63328f3 [ 82.645900] RDX: 000000000000000b RSI: 00007f09b6225000 RDI: 0000000000000001 [ 82.653877] RBP: 00007f09b6225000 R08: 00007f09b6224010 R09: 0000000000000000 [ 82.661855] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 82.669830] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 82.677821] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_dev x86_pkg_temp_thermal cros_usbpd_notify [ 82.693794] CR2: ffffffffa0d3d59b [ 82.697498] ---[ end trace c11ce2c5dc035d51 ]--- [ 82.702660] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 82.707042] Code: 89 ff e8 5e a6 a3 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 00 86 92 02 [ 82.728031] RSP: 0018:ffffb13cc13f7e60 EFLAGS: 00010282 [ 82.733871] RAX: ffffffffa06e0010 RBX: 0000000000000001 RCX: 0000000000000000 [ 82.741847] RDX: 0000000000000000 RSI: ffffa079bbc1bf70 RDI: ffffffffa13cdcb0 [ 82.749816] RBP: ffffffffa180b620 R08: 0000000000000001 R09: 0000000000000001 [ 82.757787] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 82.765760] R13: ffffb13cc13f7f10 R14: ffffb13cc13f7f10 R15: ffffa079437f0000 [ 82.773736] FS: 00007f09b641c580(0000) GS:ffffa079bbd80000(0000) knlGS:0000000000000000 [ 82.782782] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 82.789207] CR2: ffffffffa0d3d59b CR3: 00000001031fc000 CR4: 00000000003506e0 [ 82.797189] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 82.807103] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 2033, name: cat [ 82.815560] INFO: lockdep is turned off. [ 82.819939] irq event stamp: 0 [ 82.823347] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 82.830351] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 82.839488] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 82.848624] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 82.855629] CPU: 3 PID: 2033 Comm: cat Tainted: G D W 5.10.158-cip21 #1 [ 82.864279] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 82.870891] Call Trace: [ 82.873628] dump_stack+0x77/0x9b [ 82.877336] ___might_sleep.cold+0xa6/0xb6 [ 82.881916] exit_signals+0x1c/0x2e0 [ 82.885913] do_exit+0xd5/0xb00 [ 82.889425] ? ksys_write+0x68/0xf0 [ 82.893327] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 [ 82.898782] rewind_stack_do_exit+0x17/0x20 [ 82.903454] RIP: 0033:0x7f09b63328f3 [ 82.907450] Code: 8b 15 a1 25 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 [ 82.928443] RSP: 002b:00007ffc66be2f88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 82.936909] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f09b63328f3 [ 82.944883] RDX: 000000000000000b RSI: 00007f09b6225000 RDI: 0000000000000001 [ 82.952857] RBP: 00007f09b6225000 R08: 00007f09b6224010 R09: 0000000000000000 [ 82.960830] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 82.968806] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 0644] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 79.540560] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1893, name: cat # [ 79.549021] INFO: lockdep is turned off. # [ 79.553400] irq event stamp: 0 # [ 79.556812] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 79.563820] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 79.572959] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 79.582099] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 79.589104] CPU: 0 PID: 1893 Comm: cat Tainted: G D W 5.10.158-cip21 #1 # [ 79.597757] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 79.604375] Call Trace: # [ 79.607112] dump_stack+0x77/0x9b # [ 79.610822] ___might_sleep.cold+0xa6/0xb6 # [ 79.615403] exit_signals+0x1c/0x2e0 # [ 79.619399] do_exit+0xd5/0xb00 # [ 79.622913] ? ksys_write+0x68/0xf0 # [ 79.626816] rewind_stack_do_exit+0x17/0x20 # [ 79.631489] RIP: 0033:0x7f8dacc738f3 # [ 79.635485] Code: 8b 15 a1 25 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 # [ 79.656473] RSP: 002b:00007ffff96bd758 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 79.664936] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007f8dacc738f3 # [ 79.672907] RDX: 0000000000000011 RSI: 00007f8dacb66000 RDI: 0000000000000001 # [ 79.680880] RBP: 00007f8dacb66000 R08: 00007f8dacb65010 R09: 0000000000000000 # [ 79.688851] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 79.696824] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # ACCESS_USERSPACE: saw 'call trace:': ok ok 37 selftests: lkdtm: ACCESS_USERSPACE.sh # selftests: lkdtm: ACCESS_NULL.sh # Killed # [ 80.038167] lkdtm: Performing direct entry ACCESS_NULL # [ 80.046482] lkdtm: attempting bad read at 0000000000000000 # [ 80.058867] BUG: kernel NULL pointer dereference, address: 0000000000000000 # [ 80.072842] #PF: supervisor read access in kernel mode # [ 80.078583] #PF: error_code(0x0000) - not-present page # [ 80.084324] PGD 0 P4D 0 # [ 80.087162] Oops: 0000 [#13] SMP PTI # [ 80.097357] CPU: 1 PID: 1928 Comm: cat Tainted: G D W 5.10.158-cip21 #1 # [ 80.106012] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 80.112636] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53 # [ 80.117898] Code: 10 99 fd ff be 00 10 00 00 48 89 ef e8 95 a0 3c ff e9 69 ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 80 11 7b a1 e8 ea 98 fd ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 a8 11 7b a1 48 01 # [ 80.138882] RSP: 0018:ffffb13cc24f7e58 EFLAGS: 00010246 # [ 80.144723] RAX: 000000000000002e RBX: 0000000000000027 RCX: 0000000000000000 # [ 80.152698] RDX: 0000000000000000 RSI: ffffa079bbc9bf70 RDI: ffffa079bbc9bf70 # [ 80.160672] RBP: ffffffffa17b0271 R08: 0000000000000000 R09: 0000000000000000 # [ 80.168648] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c # [ 80.176621] R13: ffffb13cc24f7f10 R14: ffffb13cc24f7f10 R15: ffffa07943b21000 # [ 80.184599] FS: 00007f64ef849580(0000) GS:ffffa079bbc80000(0000) knlGS:0000000000000000 # [ 80.193643] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 80.200063] CR2: 0000000000000000 CR3: 000000010583e000 CR4: 00000000003506e0 # [ 80.208040] Call Trace: # [ 80.210788] direct_entry.cold+0x2c/0x38 # [ 80.215184] full_proxy_write+0x56/[ 83.328002] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW [ 83.337764] lkdtm: attempting good refcount_inc() without overflow [ 83.344740] lkdtm: attempting bad refcount_inc() overflow 0x80 # [ 80.219479] vfs_write+0xea/0x3a0 # [ 80.223189] [ 83.350828] ------------[ cut here ]------------ [ 83.362178] refcount_t: saturated; leaking memory. ksys_write+0x68/0xf0 # [ 80.226898] do_syscall_64+0x33/0x40 [ 83.367599] WARNING: CPU: 2 PID: 2068 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 80.230898] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [[ 83.383239] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_dev x86_pkg_temp_thermal cros_usbpd_notify [ 83.405431] CPU: 2 PID: 2068 Comm: cat Tainted: G D W 5.10.158-cip21 #1 [ 83.414115] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 83.420761] RIP: 0010:refcount_warn_saturate+0x51/0x110 [ 83.426622] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d c1 27 94 01 00 75 ee 48 c7 c7 a0 bb 74 a1 c6 05 b1 27 94 01 01 e8 39 66 95 00 <0f> 0b c3 cc cc cc cc 80 3d 9d 27 94 01 00 75 cb 48 c7 c7 c8 bb 74 [ 83.447621] RSP: 0018:ffffb13cc26dfe48 EFLAGS: 00010286 [ 83.453488] RAX: 0000000000000000 RBX: 000000000000002b RCX: 0000000000000000 [ 83.461483] RDX: ffffa079bbd2c660 RSI: ffffa079bbd1bf70 RDI: ffffa079bbd1bf70 [ 83.469483] RBP: ffffffffa17b02a5 R08: 0000000000000000 R09: 0000000000000000 [ 83.477470] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 [ 83.485464] R13: ffffb13cc26dff10 R14: ffffb13cc26dff10 R15: ffffa07944192000 [ 83.493460] FS: 00007fb7327aa580(0000) GS:ffffa079bbd00000(0000) knlGS:0000000000000000 [ 83.502522] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 83.508963] CR2: 00007fb7325b3000 CR3: 00000001028da000 CR4: 00000000003506e0 [ 83.516957] Call Trace: [ 83.519723] lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x98 [ 83.525106] direct_entry.cold+0x2c/0x38 [ 83.529517] full_proxy_write+0x56/0x80 [ 83.533840] vfs_write+0xea/0x3a0 [ 83.537570] ksys_write+0x68/0xf0 [ 83.541300] do_syscall_64+0x33/0x40 [ 83.545312] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 83.550982] RIP: 0033:0x7fb7326c08f3 [ 83.555002] Code: 8b 15 a1 25 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 [ 83.576003] RSP: 002b:00007ffd450eace8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 83.584489] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fb7326c08f3 [ 83.592483] RDX: 0000000000000016 RSI: 00007fb7325b3000 RDI: 0000000000000001 [ 83.600494] RBP: 00007fb7325b3000 R08: 00007fb7325b2010 R09: 0000000000000000 [ 83.608490] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 83.616486] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 83.624495] irq event stamp: 0 [ 83.627927] hardirqs last enabled at (0): [<0000000000000000>] 0x0 80.236551] RIP: 0033:0x7f64ef75f8f3 # [ 80.240550] Code: 8[ 83.634957] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 83.650302] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f[ 83.659478] softirqs last disabled at (0): [<0000000000000000>] 0x0 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48[ 83.672694] ---[ end trace c11ce2c5dc035d52 ]--- > 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18[ 83.684073] lkdtm: Overflow detected: saturated # [ 80.261543] RSP: 002b:00007ffe968be9f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 80.270000] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f64ef75f8f3 # [ 80.277977] RDX: 000000000000000c RSI: 00007f64ef652000 RDI: 0000000000000001 # [ 80.285951] RBP: 00007f64ef652000 R08: 00007f64ef651010 R09: 0000000000000000 # [ 80.293921] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 80.301892] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 80.309875] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_dev x86_pkg_temp_thermal cros_usbpd_notify # [ 80.332039] CR2: 0000000000000000 # [ 80.335746] ---[ end trace c11ce2c5dc035d4e ]--- # [ 80.340907] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 80.345290] Code: 89 ff e8 5e a6 a3 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 00 86 92 02 # [ 80.366268] RSP: 0018:ffffb13cc13f7e60 EFLAGS: 00010282 # [ 80.372107] RAX: ffffffffa06e0010 RBX: 0000000000000001 RCX: 0000000000000000 # [ 80.380079] RDX: 0000000000000000 RSI: ffffa079bbc1bf70 RDI: ffffffffa13cdcb0 # [ 80.388052] RBP: ffffffffa180b620 R08: 0000000000000001 R09: 0000000000000001 # [ 80.396025] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 80.403994] R13: ffffb13cc13f7f10 R14: ffffb13cc13f7f10 R15: ffffa079437f0000 # [ 80.411969] FS: 00007f64ef849580(0000) GS:ffffa079bbc80000(0000) knlGS:0000000000000000 # [ 80.421009] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 80.427429] CR2: 0000000000000000 CR3: 000000010583e000 CR4: 00000000003506e0 # ACCESS_NULL: saw 'call trace:': ok ok 38 selftests: lkdtm: ACCESS_NULL.sh # selftests: lkdtm: WRITE_RO.sh # Killed # [ 80.722318] lkdtm: Performing direct entry WRITE_RO # [ 80.733106] lkdtm: attempting bad rodata write at ffffffffa13ce130 # [ 80.746259] BUG: unable to handle page fault for address: ffffffffa13ce130 # [ 80.760148] #PF: supervisor write access in kernel mode # [ 80.765988] #PF: error_code(0x0003) - permissions violation # [ 80.772219] PGD 122829067 P4D 122829067 PUD 12282a063 PMD 80000001220001e1 # [ 80.786204] Oops: 0003 [#14] SMP PTI # [ 80.790204] CPU: 1 PID: 1963 Comm: cat Tainted: G D W 5.10.158-cip21 #1 # [ 80.798860] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 80.805489] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a # [ 80.810460] Code: 00 48 c7 c7 60 10 7b a1 48 c7 c6 30 e1 3c a1 e8 94 9b fd ff 48 8b 05 0f 0b 69 00 ba 34 12 cd ab 48 c7 c7 90 10 7b a1 48 31 d0 <48> 89 05 f9 0a 69 00 e9 72 9b fd ff 0f 1f 44 00 00 48 8b 05 e8 ec # [ 80.831452] RSP: 0018:ffffb13cc256fe60 EFLAGS: 00010202 # [ 80.837285] RAX: 000000000198b861 RBX: 0000000000000028 RCX: 0000000000000000 # [ 80.845258] RDX: 00000000abcd1234 RSI: ffffa079bbc9bf70 RDI: ffffffffa17b[ 83.987184] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW 1090 # [ 80.853231] RBP: ffffffffa17b027d R08: 00000000000000[ 83.994181] lkdtm: attempting good refcount_add() without overflow 00 R09: 0000000000000000 # [ 80.861202] R10: 00000000ffffe000[ 84.007363] lkdtm: attempting bad refcount_add() overflow R11: 3fffffffffffffff R12: 0000000000000009 # [ 80.869174] R[ 84.019684] ------------[ cut here ]------------ 13: ffffb13cc256ff10 R14: ffffb13cc256ff10 R15: ffffa079409c1000[ 84.031254] refcount_t: saturated; leaking memory. # [ 80.877149] FS: 00007fbc93d96580(0000) GS:ffffa079bbc800[ 84.042702] WARNING: CPU: 3 PID: 2100 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 00(0000) knlGS:0000000000000000 # [ 80.886188] CS: 0010 DS: [ 84.058489] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_dev x86_pkg_temp_thermal cros_usbpd_notify 0000 ES: 0000 CR0: 0000000080050033 # [ 80.892607] CR2: fffff[ 84.080461] CPU: 3 PID: 2100 Comm: cat Tainted: G D W 5.10.158-cip21 #1 fffa13ce130 CR3: 00000001031fc000 CR4: 00000000003506e0 # [ 8[ 84.095466] Hardware name: Google Coral/Coral, BIOS 09/29/2020 0.900579] Call Trace: # [ 80.903319] direct_entry.cold+0x2c/[ 84.108186] RIP: 0010:refcount_warn_saturate+0x51/0x110 0x38 # [ 80.907709] full_proxy_write+0x56/0x80 # [ 80.912[ 84.120342] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d c1 27 94 01 00 75 ee 48 c7 c7 a0 bb 74 a1 c6 05 b1 27 94 01 01 e8 39 66 95 00 <0f> 0b c3 cc cc cc cc 80 3d 9d 27 94 01 00 75 cb 48 c7 c7 c8 bb 74 003] vfs_write+0xea/0x3a0 # [ 80.915708] ksys_write+0x68/0x[ 84.147483] RSP: 0018:ffffb13cc2757e48 EFLAGS: 00010286 f0 # [ 80.919414] do_syscall_64+0x33/0x40 # [ 80.923411] [ 84.159557] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000 entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 80.929049] RIP:[ 84.173749] RDX: ffffa079bbdac660 RSI: ffffa079bbd9bf70 RDI: ffffa079bbd9bf70 0033:0x7fbc93cac8f3 # [ 80.933035] Code: 8b 15 a1 25 0e 00 f[ 84.187985] RBP: ffffffffa17b02bb R08: 0000000000000000 R09: 0000000000000000 7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18[ 84.202140] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 7[ 84.216366] R13: ffffb13cc2757f10 R14: ffffb13cc2757f10 R15: ffffa07944847000 7 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 80.954018][ 84.230530] FS: 00007fa3b08ba580(0000) GS:ffffa079bbd80000(0000) knlGS:0000000000000000 RSP: 002b:00007ffda4b10a58 EFLAGS: 00000246 ORIG_RAX: 000000000[ 84.245849] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 0000001 # [ 80.962479] RAX: ffffffffffffffda RBX: 00000000000[ 84.258446] CR2: 00007fa3b06c3000 CR3: 0000000105cd4000 CR4: 00000000003506e0 00009 RCX: 00007fbc93cac8f3 # [ 80.970453] RDX: 0000000000000[ 84.272644] Call Trace: 009 RSI: 00007fbc93b9f000 RDI: 0000000000000001 # [ 80.978423[ 84.281591] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa7 ] RBP: 00007fbc93b9f000 R08: 00007fbc93b9e010 R09: 0000000000000[ 84.293123] direct_entry.cold+0x2c/0x38 000 # [ 80.986397] R10: fffffffffffffbc5 R11: 000000000000024[ 84.303728] full_proxy_write+0x56/0x80 6 R12: 0000000000000001 # [ 80.994367] R13: 0000000000000001 [ 84.314306] vfs_write+0xea/0x3a0 R14: 0000000000020000 R15: 0000000000020000 # [ 81.002351] Mo[ 84.324174] ksys_write+0x68/0xf0 dules linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs c[ 84.334072] do_syscall_64+0x33/0x40 ros_ec_debugfs cros_ec_chardev cros_ec_dev x86_pkg_temp_thermal [ 84.344347] entry_SYSCALL_64_after_hwframe+0x61/0xc6 cros_usbpd_notify # [ 81.024524] CR2: ffffffffa13ce130 # [ [ 84.356172] RIP: 0033:0x7fa3b07d08f3 81.028230] ---[ end trace c11ce2c5dc035d4f ]--- # [ 81.03339[ 84.366389] Code: 8b 15 a1 25 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 3] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 81.037774] Code: 89 ff e8[ 84.393671] RSP: 002b:00007ffc2a5a1948 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 5e a6 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 [ 84.408329] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fa3b07d08f3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66[ 84.422517] RDX: 0000000000000016 RSI: 00007fa3b06c3000 RDI: 0000000000000001 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 00 86 92 02 # [ [ 84.436696] RBP: 00007fa3b06c3000 R08: 00007fa3b06c2010 R09: 0000000000000000 81.058762] RSP: 0018:ffffb13cc13f7e60 EFLAGS: 00010282 # [ 8[ 84.450893] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 1.064604] RAX: ffffffffa06e0010 RBX: 0000000000000001 RCX: 00000[ 84.465096] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 00000000000 # [ 81.072582] RDX: 0000000000000000 RSI: ffffa07[ 84.479335] irq event stamp: 0 9bbc1bf70 RDI: ffffffffa13cdcb0 # [ 81.080554] RBP: ffffffffa[ 84.488947] hardirqs last enabled at (0): [<0000000000000000>] 0x0 180b620 R08: 0000000000000001 R09: 0000000000000001 # [ 81.08[ 84.502201] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 8528] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000[ 84.517545] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 0000004 # [ 81.096503] R13: ffffb13cc13f7f10 R14: ffffb13cc13[ 84.532930] softirqs last disabled at (0): [<0000000000000000>] 0x0 f7f10 R15: ffffa079437f0000 # [ 81.104481] FS: 00007fbc93d96[ 84.546146] ---[ end trace c11ce2c5dc035d53 ]--- 580(0000) GS:ffffa079bbc80000(0000) knlGS:0000000000000000 # [ [ 84.557536] lkdtm: Overflow detected: saturated 81.113524] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 81.119944] CR2: ffffffffa13ce130 CR3: 00000001031fc000 CR4: 00000000003506e0 # [ 81.127923] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 81.137842] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1963, name: cat # [ 81.146305] INFO: lockdep is turned off. # [ 81.150688] irq event stamp: 0 # [ 81.154098] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 81.161107] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 81.170253] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 81.179396] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 81.186403] CPU: 1 PID: 1963 Comm: cat Tainted: G D W 5.10.158-cip21 #1 # [ 81.195058] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 81.201674] Call Trace: # [ 81.204412] dump_stack+0x77/0x9b # [ 81.208119] ___might_sleep.cold+0xa6/0xb6 # [ 81.212701] exit_signals+0x1c/0x2e0 # [ 81.216698] do_exit+0xd5/0xb00 # [ 81.220210] ? ksys_write+0x68/0xf0 # [ 81.224107] rewind_stack_do_exit+0x17/0x20 # [ 81.228784] RIP: 0033:0x7fbc93cac8f3 # [ 81.232780] Code: 8b 15 a1 25 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 # [ 81.253767] RSP: 002b:00007ffda4b10a58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 81.262227] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007fbc93cac8f3 # [ 81.270198] RDX: 0000000000000009 RSI: 00007fbc93b9f000 RDI: 0000000000000001 # [ 81.278168] RBP: 00007fbc93b9f000 R08: 00007fbc93b9e010 R09: 0000000000000000 # [ 81.286139] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 81.294108] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # WRITE_RO: saw 'call trace:': ok ok 39 selftests: lkdtm: WRITE_RO.sh # selftests: lkdtm: WRITE_RO_AFTER_INIT.sh # Killed # [ 81.681262] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT # [ 81.694027] lkdtm: attempting bad ro_after_init write at ffffffffa182c330 # [ 81.707883] BUG: unable to handle page fault for address: ffffffffa182c330 # [ 81.721715] #PF: supervisor write access in kernel mode # [ 81.727555] #PF: error_code(0x0003) - permissions violation # [ 81.733784] PGD 122829067 P4D 122829067 PUD 12282a063 PMD 10005d163 PTE 800000012262c061 # [ 81.742847] Oops: 0003 [#15] SMP PTI # [ 81.746844] CPU: 3 PID: 1998 Comm: cat Tainted: G D W 5.10.158-cip21 #1 # [ 81.755501] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 81.762131] RIP: 0010:lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a # [ 81.768168] Code: 10 7b a1 e9 46 9b fd ff 48 c7 c7 e8 10 7b a1 e8 3a 9b fd ff 48 8b 05 b5 ec ae 00 ba 34 12 cd ab 48 c7 c7 90 10 7b a1 48 31 d0 <48> 89 05 9f ec ae 00 e9 18 9b fd ff 0f 1f 44 00 00 41 54 48 c7 c7 # [ 81.789155] RSP: 0018:ffffb13cc25efe60 EFLAGS: 00010202 # [ 81.794999] RAX: 00000000fe67479e RBX: 0000000000000029 RCX: 0000000000000000 # [ 81.802974] RDX: 00000000abcd1234 RSI: ffffa079bbd9bf70 RDI: ffffffffa17b1090 # [ 81.810950] RBP: ffffffffa17b0286 R08: 0000000000000000 R09: 0000000000000000 # [ 81.818923] R10: 000[ 84.892172] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW 00000ffffe000 R11: 3fffffffffffffff R12: 0000000000000014 # [ [ 84.905779] lkdtm: attempting bad refcount_inc_not_zero() overflow [ 84.918936] ------------[ cut here ]------------ 81.826900] R13: ffffb13cc25eff10 R14: ffffb13cc25eff10 R15: fff[ 84.924110] refcount_t: saturated; leaking memory. fa07943169000 # [ 81.834880] FS: 00007f49fb3cd580(0000) GS:f[ 84.935716] WARNING: CPU: 1 PID: 2132 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 fffa079bbd80000(0000) knlGS:0000000000000000 # [ 81.843924] C[ 84.951345] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_dev x86_pkg_temp_thermal cros_usbpd_notify [ 84.973530] CPU: 1 PID: 2132 Comm: cat Tainted: G D W 5.10.158-cip21 #1 S: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 81.85034[ 84.982198] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 84.995028] RIP: 0010:refcount_warn_saturate+0x97/0x110 5] CR2: ffffffffa182c330 CR3: 00000001009a4000 CR4: 000000000035[ 85.000891] Code: 01 01 e8 16 66 95 00 0f 0b c3 cc cc cc cc 80 3d 7c 27 94 01 00 75 a8 48 c7 c7 a0 bb 74 a1 c6 05 6c 27 94 01 01 e8 f3 65 95 00 <0f> 0b c3 cc cc cc cc 80 3d 56 27 94 01 00 75 85 48 c7 c7 f8 bb 74 [ 85.028091] RSP: 0018:ffffb13cc279fe38 EFLAGS: 00010282 06e0 # [ 81.858320] Call Trace: # [ 81.861061] direct_ent[ 85.033950] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 [ 85.048145] RDX: ffffa079bbcac660 RSI: ffffa079bbc9bf70 RDI: ffffa079bbc9bf70 [ 85.056140] RBP: ffffffffa17afef8 R08: 0000000000000000 R09: 0000000000000000 [ 85.064134] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f [ 85.072138] R13: ffffb13cc279ff10 R14: ffffb13cc279ff10 R15: ffffa07945b5c000 [ 85.080134] FS: 00007fe2a9ced580(0000) GS:ffffa079bbc80000(0000) knlGS:0000000000000000 [ 85.089196] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 85.095640] CR2: 00007fe2a9af6000 CR3: 0000000104f0c000 CR4: 00000000003506e0 [ 85.103626] Call Trace: ry.cold+0x2c/0x38 # [ 81.865452] full_proxy_write+0x56/0x80 [ 85.106388] __refcount_add_not_zero.constprop.0+0x2a/0x35 [ 85.118774] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x76 # [ 81.869744] vfs_write+0xea/0x3a0 # [ 81.873452] ksys_[ 85.125024] direct_entry.cold+0x2c/0x38 write+0x68/0xf0 # [ 81.877159] do_syscall_64+0x33/0x40 # [ [ 85.135636] full_proxy_write+0x56/0x80 81.881159] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 81[ 85.146142] vfs_write+0xea/0x3a0 .886798] RIP: 0033:0x7f49fb2e38f3 # [ 81.890797] Code: 8b 15 [ 85.156074] ksys_write+0x68/0xf0 [ 85.166028] do_syscall_64+0x33/0x40 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 6[ 85.170052] entry_SYSCALL_64_after_hwframe+0x61/0xc6 4 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d [ 85.181908] RIP: 0033:0x7fe2a9c038f3 [ 85.192112] Code: 8b 15 a1 25 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 [ 85.213126] RSP: 002b:00007fff7a825cf8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 85.221615] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fe2a9c038f3 [ 85.229613] RDX: 000000000000001f RSI: 00007fe2a9af6000 RDI: 0000000000000001 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [[ 85.237646] RBP: 00007fe2a9af6000 R08: 00007fe2a9af5010 R09: 0000000000000000 81.911794] RSP: 002b:00007ffe03ebef78 EFLAGS: 00000246 ORIG_R[ 85.251867] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 85.266072] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 85.274082] irq event stamp: 0 AX: 0000000000000001 # [ 81.920250] RAX: ffffffffffffffda RBX[ 85.277518] hardirqs last enabled at (0): [<0000000000000000>] 0x0 : 0000000000000014 RCX: 00007f49fb2e38f3 # [ 81.928223] RDX: [ 85.290739] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 0000000000000014 RSI: 00007f49fb1d6000 RDI: 0000000000000001 # [ 85.306106] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 81.936199] RBP: 00007f49fb1d6000 R08: 00007f49fb1d5010 R09: [ 85.321475] softirqs last disabled at (0): [<0000000000000000>] 0x0 0000000000000000 # [ 81.944174] R10: fffffffffffffbc5 R11: 00[ 85.334702] ---[ end trace c11ce2c5dc035d54 ]--- 00000000000246 R12: 0000000000000001 [ 85.346080] lkdtm: Overflow detected: saturated # [ 81.952145] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 81.960129] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_dev x86_pkg_temp_thermal cros_usbpd_notify # [ 81.976094] CR2: ffffffffa182c330 # [ 81.979801] ---[ end trace c11ce2c5dc035d50 ]--- # [ 81.984965] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 81.989345] Code: 89 ff e8 5e a6 a3 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 00 86 92 02 # [ 82.010336] RSP: 0018:ffffb13cc13f7e60 EFLAGS: 00010282 # [ 82.016173] RAX: ffffffffa06e0010 RBX: 0000000000000001 RCX: 0000000000000000 # [ 82.024149] RDX: 0000000000000000 RSI: ffffa079bbc1bf70 RDI: ffffffffa13cdcb0 # [ 82.032119] RBP: ffffffffa180b620 R08: 0000000000000001 R09: 0000000000000001 # [ 82.040090] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 82.048066] R13: ffffb13cc13f7f10 R14: ffffb13cc13f7f10 R15: ffffa079437f0000 # [ 82.056044] FS: 00007f49fb3cd580(0000) GS:ffffa079bbd80000(0000) knlGS:0000000000000000 # [ 82.065089] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 82.071509] CR2: ffffffffa182c330 CR3: 00000001009a4000 CR4: 00000000003506e0 # WRITE_RO_AFTER_INIT: saw 'call trace:': ok ok 40 selftests: lkdtm: WRITE_RO_AFTER_INIT.sh # selftests: lkdtm: WRITE_KERN.sh # Killed # [ 82.403490] lkdtm: Performing direct entry WRITE_KERN # [ 82.414650] lkdtm: attempting bad 6672827 byte write at ffffffffa0d3d59b # [ 82.428424] BUG: unable to handle page fault for address: ffffffffa0d3d59b # [ 82.442248] #PF: supervisor write access in kernel mode # [ 82.448087] #PF: error_code(0x0003) - permissions violation # [ 82.454313] PGD 122829067 P4D 122829067 PUD 12282a063 PMD 121a001e1 # [ 82.461431] Oops: 0003 [#16] SMP PTI # [ 82.465428] CPU: 3 PID: 2033 Comm: cat Tainted: G D W 5.10.158-cip21 #1 # [ 82.474073] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 82.480696] RIP: 0010:lkdtm_WRITE_KERN+0x38/0x4e # [ 82.485858] Code: 53 48 c7 c3 9b d5 d3 a0 49 89 dc 48 89 da 49 81 ec e0 03 6e a0 4c 89 e6 e8 ed 9a fd ff 48 89 df 4c 89 e1 48 c7 c6 e0 03 6e a0 a4 48 c7 c7 90 10 7b a1 e8 d2 9a fd ff 5b 41 5c e9 b7 fe ff ff # [ 82.506845] RSP: 0018:ffffb13cc2677e50 EFLAGS: 00010246 # [ 82.512681] RAX: 000000000000003c RBX: ffffffffa0d3d59b RCX: 000000000065d1bb # [ 82.520649] RDX: 0000000000000000 RSI: ffffffffa06e03e0 RDI: ffffffffa0d3d59b # [ 82.528619] RBP: ffffffffa17b029a R08: 0000000000000000 R09: 0000000000000000 # [ 82.536591] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000065d1bb # [ 82.544566] R13: ffffb13cc2677f10 R14: ffffb13cc2677f10 R15: ffffa07944dd0000 # [ 82.552544] FS: 00007f09b641c580(0000) GS:ffffa079bbd80000(0000) knlGS:0000000000000000 # [ 82.561588] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 82.568007] CR2: ffffffffa0d3d59b CR3: 00000001031fc000 CR4: 00000000003506e0 # [ 82.575981] Call Trace: # [ 82.578723] direct_entry.cold+0x2c/0x38 # [ 82.583114] full_proxy_write+0x56/0x80 # [ 82.587406] vfs_write+0xea/0[ 85.666006] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW [ 85.679568] lkdtm: attempting bad refcount_add_not_zero() overflow [ 85.686520] ------------[ cut here ]------------ [ 85.691705] refcount_t: saturated; leaking memory. [ 85.697128] WARNING: CPU: 0 PID: 2164 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 [ 85.706585] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_dev x86_pkg_temp_thermal cros_usbpd_notify [ 85.722593] CPU: 0 PID: 2164 Comm: cat Tainted: G D W 5.10.158-cip21 #1 [ 85.731281] Hardware name: Google Coral/Coral, BIOS 09/29/2020 x3a0 # [ 82.591112] ksys_write+0x68/0xf0 # [ 82.594813] [ 85.737929] RIP: 0010:refcount_warn_saturate+0x97/0x110 [ 85.749996] Code: 01 01 e8 16 66 95 00 0f 0b c3 cc cc cc cc 80 3d 7c 27 94 01 00 75 a8 48 c7 c7 a0 bb 74 a1 c6 05 6c 27 94 01 01 e8 f3 65 95 00 <0f> 0b c3 cc cc cc cc 80 3d 56 27 94 01 00 75 85 48 c7 c7 f8 bb 74 [ 85.771016] RSP: 0018:ffffb13cc284fe38 EFLAGS: 00010282 [ 85.776880] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 [ 85.784882] RDX: ffffa079bbc2c660 RSI: ffffa079bbc1bf70 RDI: ffffa079bbc1bf70 [ 85.792897] RBP: ffffffffa17aff18 R08: 0000000000000000 R09: 0000000000000000 do_syscall_64+0x33/0x40 # [ 82.598812] entry_SYSCALL_64_afte[ 85.800907] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f [ 85.815091] R13: ffffb13cc284ff10 R14: ffffb13cc284ff10 R15: ffffa07945811000 [ 85.823092] FS: 00007f43332e9580(0000) GS:ffffa079bbc00000(0000) knlGS:0000000000000000 [ 85.832164] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 85.838596] CR2: 00007f43330f2000 CR3: 000000010266e000 CR4: 00000000003506f0 [ 85.846594] Call Trace: [ 85.849358] __refcount_add_not_zero.constprop.0+0x2a/0x35 [ 85.855521] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x76 [ 85.861775] direct_entry.cold+0x2c/0x38 [ 85.866192] full_proxy_write+0x56/0x80 [ 85.870508] vfs_write+0xea/0x3a0 [ 85.874248] ksys_write+0x68/0xf0 [ 85.877980] do_syscall_64+0x33/0x40 [ 85.882001] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 85.887674] RIP: 0033:0x7f43331ff8f3 [ 85.891693] Code: 8b 15 a1 25 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 [ 85.912711] RSP: 002b:00007ffc9b1c3dd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 85.921216] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f43331ff8f3 [ 85.929219] RDX: 000000000000001f RSI: 00007f43330f2000 RDI: 0000000000000001 [ 85.937217] RBP: 00007f43330f2000 R08: 00007f43330f1010 R09: 0000000000000000 [ 85.945212] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 r_hwframe+0x61/0xc6 # [ 82.604460] RIP: 0033:0x7f09b63328f3 [ 85.953204] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 82.608459] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0[ 85.967417] irq event stamp: 0 [ 85.977055] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 85.984080] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 85.993255] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 86.002420] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 86.009478] ---[ end trace c11ce2c5dc035d55 ]--- [ 86.014685] lkdtm: Overflow detected: saturated 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 # [ 82.629458] RSP: 002b:00007ffc66be2f88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 82.637923] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f09b63328f3 # [ 82.645900] RDX: 000000000000000b RSI: 00007f09b6225000 RDI: 0000000000000001 # [ 82.653877] RBP: 00007f09b6225000 R08: 00007f09b6224010 R09: 0000000000000000 # [ 82.661855] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 82.669830] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 82.677821] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_dev x86_pkg_temp_thermal cros_usbpd_notify # [ 82.693794] CR2: ffffffffa0d3d59b # [ 82.697498] ---[ end trace c11ce2c5dc035d51 ]--- # [ 82.702660] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 82.707042] Code: 89 ff e8 5e a6 a3 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 00 86 92 02 # [ 82.728031] RSP: 0018:ffffb13cc13f7e60 EFLAGS: 00010282 # [ 82.733871] RAX: ffffffffa06e0010 RBX: 0000000000000001 RCX: 0000000000000000 # [ 82.741847] RDX: 0000000000000000 RSI: ffffa079bbc1bf70 RDI: ffffffffa13cdcb0 # [ 82.749816] RBP: ffffffffa180b620 R08: 0000000000000001 R09: 0000000000000001 # [ 82.757787] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 82.765760] R13: ffffb13cc13f7f10 R14: ffffb13cc13f7f10 R15: ffffa079437f0000 # [ 82.773736] FS: 00007f09b641c580(0000) GS:ffffa079bbd80000(0000) knlGS:0000000000000000 # [ 82.782782] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 82.789207] CR2: ffffffffa0d3d59b CR3: 00000001031fc000 CR4: 00000000003506e0 # [ 82.797189] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 82.807103] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 2033, name: cat # [ 82.815560] INFO: lockdep is turned off. # [ 82.819939] irq event stamp: 0 # [ 82.823347] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 82.830351] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 82.839488] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 82.848624] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 82.855629] CPU: 3 PID: 2033 Comm: cat Tainted: G D W 5.10.158-cip21 #1 # [ 82.864279] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 82.870891] Call Trace: # [ 82.873628] dump_stack+0x77/0x9b # [ 82.877336] ___might_sleep.cold+0xa6/0xb6 # [ 82.881916] exit_signals+0x1c/0x2e0 # [ 82.885913] do_exit+0xd5/0xb00 # [ 82.889425] ? ksys_write+0x68/0xf0 # [ 82.893327] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 # [ 82.898782] rewind_stack_do_exit+0x17/0x20 # [ 82.903454] RIP: 0033:0x7f09b63328f3 # [ 82.907450] Code: 8b 15 a1 25 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 [ 86.331855] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 82.928443] RSP:[ 86.343216] lkdtm: attempting good refcount_dec() 002b:00007ffc66be2f88 EFLAGS: 00000246 ORIG_RAX: 00000000000000[ 86.354741] lkdtm: attempting bad refcount_dec() to zero 01 # [ 82.936909] RAX: ffffffffffffffda RBX: 000000000000000b[ 86.366919] ------------[ cut here ]------------ RCX: 00007f09b63328f3 # [ 82.944883] RDX: 000000000000000b R[ 86.378280] refcount_t: decrement hit 0; leaking memory. SI: 00007f09b6225000 RDI: 0000000000000001 # [ 82.952857] RBP[ 86.390774] WARNING: CPU: 3 PID: 2196 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 : 00007f09b6225000 R08: 00007f09b6224010 R09: 0000000000000000 [ 86.406202] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_dev x86_pkg_temp_thermal cros_usbpd_notify # [ 82.960830] R10: fffffffffffffbc5 R11: 0000000000000246 R12[ 86.428498] CPU: 3 PID: 2196 Comm: cat Tainted: G D W 5.10.158-cip21 #1 : 0000000000000001 # [ 82.968806] R13: 0000000000000001 R14: [ 86.443320] Hardware name: Google Coral/Coral, BIOS 09/29/2020 0000000000020000 R15: 0000000000020000 # WRITE_KERN: saw 'call [ 86.456142] RIP: 0010:refcount_warn_saturate+0xfb/0x110 trace:': ok ok 41 selftests: lkdtm: WRITE_KERN.sh # selftests:[ 86.468205] Code: 50 bc 74 a1 c6 05 1d 27 94 01 01 e8 a9 65 95 00 0f 0b c3 cc cc cc cc 48 c7 c7 20 bc 74 a1 c6 05 04 27 94 01 01 e8 8f 65 95 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b lkdtm: REFCOUNT_INC_OVERFLOW.sh # [ 83.328002] lkdtm: Perfor[ 86.495362] RSP: 0018:ffffb13cc28c7e48 EFLAGS: 00010286 ming direct entry REFCOUNT_INC_OVERFLOW # [ 83.337764] lkdtm:[ 86.507432] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000 attempting good refcount_inc() without overflow # [ 83.34474[ 86.521644] RDX: ffffa079bbdac660 RSI: ffffa079bbd9bf70 RDI: ffffa079bbd9bf70 0] lkdtm: attempting bad refcount_inc() overflow # [ 83.35082[ 86.535889] RBP: ffffffffa17b02d1 R08: 0000000000000000 R09: 0000000000000000 8] ------------[ cut here ]------------ # [ 83.362178] refcou[ 86.550036] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 nt_t: saturated; leaking memory. # [ 83.367599] WARNING: CPU:[ 86.564247] R13: ffffb13cc28c7f10 R14: ffffb13cc28c7f10 R15: ffffa0794583f000 2 PID: 2068 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x[ 86.578427] FS: 00007f638fc58580(0000) GS:ffffa079bbd80000(0000) knlGS:0000000000000000 110 # [ 83.383239] Modules linked in: fuse ip_tables cros_ec_[ 86.593720] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_d[ 86.606327] CR2: 00007f638fa61000 CR3: 0000000104b7e000 CR4: 00000000003506e0 ev x86_pkg_temp_thermal cros_usbpd_notify # [ 83.405431] CPU:[ 86.620560] Call Trace: 2 PID: 2068 Comm: cat Tainted: G D W 5.10.158-cip2[ 86.629502] lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xbd 1 #1 # [ 83.414115] Hardware name: Google Coral/Coral, BIOS [ 86.640730] direct_entry.cold+0x2c/0x38 09/29/2020 # [ 83.420761] RIP: 0010:refcount_warn_saturate+0x[ 86.651252] full_proxy_write+0x56/0x80 51/0x110 # [ 83.426622] Code: 84 bc 00 00 00 c3 cc cc cc cc 8[ 86.661877] vfs_write+0xea/0x3a0 5 f6 74 46 80 3d c1 27 94 01 00 75 ee 48 c7 c7 a0 bb 74 a1 c6 05[ 86.671720] ksys_write+0x68/0xf0 b1 27 94 01 01 e8 39 66 95 00 <0f> 0b c3 cc cc cc cc 80 3d 9d 2[ 86.681707] do_syscall_64+0x33/0x40 7 94 01 00 75 cb 48 c7 c7 c8 bb 74 # [ 83.447621] RSP: 0018:f[ 86.691872] entry_SYSCALL_64_after_hwframe+0x61/0xc6 fffb13cc26dfe48 EFLAGS: 00010286 # [ 83.453488] RAX: 00000000[ 86.703757] RIP: 0033:0x7f638fb6e8f3 00000000 RBX: 000000000000002b RCX: 0000000000000000 # [ 83.4[ 86.713936] Code: 8b 15 a1 25 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 61483] RDX: ffffa079bbd2c660 RSI: ffffa079bbd1bf70 RDI: ffffa079[ 86.741211] RSP: 002b:00007fff3565a058 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 bbd1bf70 # [ 83.469483] RBP: ffffffffa17b02a5 R08: 0000000000[ 86.755810] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f638fb6e8f3 000000 R09: 0000000000000000 # [ 83.477470] R10: 00000000ffff[ 86.769968] RDX: 0000000000000012 RSI: 00007f638fa61000 RDI: 0000000000000001 e000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 83.48546[ 86.784158] RBP: 00007f638fa61000 R08: 00007f638fa60010 R09: 0000000000000000 4] R13: ffffb13cc26dff10 R14: ffffb13cc26dff10 R15: ffffa0794419[ 86.798432] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 2000 # [ 83.493460] FS: 00007fb7327aa580(0000) GS:ffffa079bb[ 86.812606] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 d00000(0000) knlGS:0000000000000000 # [ 83.502522] CS: 0010 [ 86.826829] irq event stamp: 0 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 83.508963] CR2: 0[ 86.836396] hardirqs last enabled at (0): [<0000000000000000>] 0x0 0007fb7325b3000 CR3: 00000001028da000 CR4: 00000000003506e0 # [[ 86.849654] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 83.516957] Call Trace: # [ 83.519723] lkdtm_REFCOUNT_INC_[ 86.864993] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 OVERFLOW+0x70/0x98 # [ 83.525106] direct_entry.cold+0x2c/0x3[ 86.880348] softirqs last disabled at (0): [<0000000000000000>] 0x0 8 # [ 83.529517] full_proxy_write+0x56/0x80 # [ 83.533840[ 86.893616] ---[ end trace c11ce2c5dc035d56 ]--- ] vfs_write+0xea/0x3a0 # [ 83.537570] ksys_write+0x68/0xf0 [ 86.904984] lkdtm: Zero detected: saturated # [ 83.541300] do_syscall_64+0x33/0x40 # [ 83.545312] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 83.550982] RIP: 0033:0x7fb7326c08f3 # [ 83.555002] Code: 8b 15 a1 25 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 # [ 83.576003] RSP: 002b:00007ffd450eace8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 83.584489] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fb7326c08f3 # [ 83.592483] RDX: 0000000000000016 RSI: 00007fb7325b3000 RDI: 0000000000000001 # [ 83.600494] RBP: 00007fb7325b3000 R08: 00007fb7325b2010 R09: 0000000000000000 # [ 83.608490] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 83.616486] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 83.624495] irq event stamp: 0 # [ 83.627927] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 83.634957] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 83.650302] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 83.659478] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 83.672694] ---[ end trace c11ce2c5dc035d52 ]--- # [ 83.684073] 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 # [ 83.987184] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW # [ 83.994181] lkdtm: attempting good refcount_add() without overflow # [ 84.007363] lkdtm: attempting bad refcount_add() overflow # [ 84.019684] ------------[ cut here ]------------ # [ 84.031254] refcount_t: saturated; leaking memory. # [ 84.042702] WARNING: CPU: 3 PID: 2100 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 84.058489] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_dev x86_pkg_temp_thermal cros_usbpd_notify # [ 84.080461] CPU: 3 PID: 2100 Comm: cat Tainted: G D W 5.10.158-cip21 #1 # [ 84.095466] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 84.108186] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 84.120342] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d c1 27 94 01 00 75 ee 48 c7 c7 a0 bb 74 a1 c6 05 b1 27 94 01 01 e8 39 66 95 00 <0f> 0b c3 cc cc cc cc 80 3d 9d 27 94 01 00 75 cb 48 c7 c7 c8 bb 74 # [ 84.147483] RSP: 0018:ffffb13cc2757e48 EFLAGS: 00010286 # [ 84.159557] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000 # [ 84.173749] RDX: ffffa079bbdac660 RSI: ffffa079bbd9bf70 RDI: ffffa079bbd9bf70 # [ 84.187985] RBP: ffffffffa17b02bb R08: 0000000000000000 R09: 0000000000000000 # [ 84.202140] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 84.216366] R13: ffffb13cc2757f10 R14: ffffb13cc2757f10 R15: ffffa07944847000 # [ 84.230530] FS: 00007fa3b08ba580(0000) GS:ffffa079bbd80000(0000) knlGS:0000000000000000 # [ 84.245849] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 84.258446] CR2: 00007fa3b06c3000 CR3: 0000000105cd4000 CR4: 00000000003506e0 # [ 84.272644] Call Trace: # [ 84.281591] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa7 # [ 84.293123] direct_entry.cold+0x2c/0x38 # [ 84.303728] full_proxy_write+0x56/0x80 # [ 84.314306] vfs_write+0xea/0x3a0 # [ 84.324174] ksys_write+0x68/0xf0 # [ 84.334072] do_syscall_64+0x33/0x40 # [ 84.344347] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 84.356172] RIP: 0033[ 87.268086] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE [ 87.276713] lkdtm: attempting bad refcount_dec() below zero :0x7fa3b07d08f3 # [ 84.366389] Code: 8b 15 a1 25 0e 00 f7 d8 [ 87.282998] ------------[ cut here ]------------ [ 87.294391] refcount_t: decrement hit 0; leaking memory. [ 87.300401] WARNING: CPU: 2 PID: 2231 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 0[ 87.309855] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_dev x86_pkg_temp_thermal cros_usbpd_notify [ 87.332071] CPU: 2 PID: 2231 Comm: cat Tainted: G D W 5.10.158-cip21 #1 [ 87.340750] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 87.347391] RIP: 0010:refcount_warn_saturate+0xfb/0x110 [ 87.353257] Code: 50 bc 74 a1 c6 05 1d 27 94 01 01 e8 a9 65 95 00 0f 0b c3 cc cc cc cc 48 c7 c7 20 bc 74 a1 c6 05 04 27 94 01 01 e8 8f 65 95 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b [ 87.374274] RSP: 0018:ffffb13cc293fe48 EFLAGS: 00010286 [ 87.380139] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000 [ 87.388143] RDX: ffffa079bbd2c660 RSI: ffffa079bbd1bf70 RDI: ffffa079bbd1bf70 [ 87.396149] RBP: ffffffffa17b02e3 R08: 0000000000000000 R09: 0000000000000000 [ 87.404150] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 [ 87.412150] R13: ffffb13cc293ff10 R14: ffffb13cc293ff10 R15: ffffa07945b3b000 [ 87.420150] FS: 00007f686518d580(0000) GS:ffffa079bbd00000(0000) knlGS:0000000000000000 [ 87.429215] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 87.435657] CR2: 00007f6864f96000 CR3: 0000000105a28000 CR4: 00000000003506e0 [ 87.443654] Call Trace: [ 87.446421] lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x61 [ 87.451816] direct_entry.cold+0x2c/0x38 [ 87.456233] full_proxy_write+0x56/0x80 [ 87.460556] vfs_write+0xea/0x3a0 [ 87.464284] ksys_write+0x68/0xf0 [ 87.468017] do_syscall_64+0x33/0x40 [ 87.472044] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 87.477715] RIP: 0033:0x7f68650a38f3 [ 87.481741] Code: 8b 15 a1 25 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 [ 87.502752] RSP: 002b:00007ffc2266fb18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 87.511238] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f68650a38f3 [ 87.519238] RDX: 0000000000000016 RSI: 00007f6864f96000 RDI: 0000000000000001 [ 87.527241] RBP: 00007f6864f96000 R08: 00007f6864f95010 R09: 0000000000000000 [ 87.535228] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 0 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 [ 87.543235] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 87.557444] irq event stamp: 0 [ 87.560884] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 87.567915] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 87.577083] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 87.586244] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 87.593277] ---[ end trace c11ce2c5dc035d57 ]--- [ 87.598460] lkdtm: Negative detected: saturated c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 84.393671] RSP: 002b:00007ffc2a5a1948 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 84.408329] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fa3b07d08f3 # [ 84.422517] RDX: 0000000000000016 RSI: 00007fa3b06c3000 RDI: 0000000000000001 # [ 84.436696] RBP: 00007fa3b06c3000 R08: 00007fa3b06c2010 R09: 0000000000000000 # [ 84.450893] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 84.465096] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 84.479335] irq event stamp: 0 # [ 84.488947] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 84.502201] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 84.517545] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 84.532930] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 84.546146] ---[ end trace c11ce2c5dc035d53 ]--- # [ 84.557536] 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 # [ 84.892172] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW # [ 84.905779] lkdtm: attempting bad refcount_inc_not_zero() overflow # [ 84.918936] ------------[ cut here ]------------ # [ 84.924110] refcount_t: saturated; leaking memory. # [ 84.935716] WARNING: CPU: 1 PID: 2132 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 84.951345] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_dev x86_pkg_temp_thermal cros_usbpd_notify # [ 84.973530] CPU: 1 PID: 2132 Comm: cat Tainted: G D W 5.10.158-cip21 #1 # [ 84.982198] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 84.995028] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 85.000891] Code: 01 01 e8 16 66 95 00 0f 0b c3 cc cc cc cc 80 3d 7c 27 94 01 00 75 a8 48 c7 c7 a0 bb 74 a1 c6 05 6c 27 94 01 01 e8 f3 65 95 00 <0f> 0b c3 cc cc cc cc 80 3d 56 27 94 01 00 75 85 48 c7 c7 f8 bb 74 # [ 85.028091] RSP: 0018:ffffb13cc279fe38 EFLAGS: 00010282 # [ 85.033950] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 # [ 85.048145] RDX: ffffa079bbcac660 RSI: ffffa079bbc9bf70 RDI: ffffa079bbc9bf70 # [ 85.056140] RBP: ffffffffa17afef8 R08: 0000000000000000 R09: 0000000000000000 # [ 85.064134] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 85.072138] R13: ffffb13cc279ff10 R14: ffffb13cc279ff10 R15: ffffa07945b5c000 # [ 85.080134] FS: 00007fe2a9ced580(0000) GS:ffffa079bbc80000(0000) knlGS:0000000000000000 # [ 85.089196] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 85.095640] CR2: 00007fe2a9af6000 CR3: 0000000104f0c000 CR4: 00000000003506e0 # [ 85.103626] Call Trace: # [ 85.106388] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 85.118774] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x76 # [ 85.125024] direct_entry.cold+0x2c/0x38 # [ 85.135636] full_proxy_write+0x56/0x80 # [ 85.146142] vfs_write+0xea/0x3a0 # [ 85.156074] ksys_write+0x68/0xf0 # [ 85.166028] do_syscall_64+0x33/0x[ 87.919326] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE [ 87.928092] lkdtm: attempting bad refcount_dec_and_test() below zero 40 # [ 85.170052] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 87.935237] ------------[ cut here ]------------ # [ 85.181908] RIP: 0033:0x7fe2a9c038f3 # [ 85.192112] Code[ 87.946598] refcount_t: underflow; use-after-free. : 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f[ 87.958232] WARNING: CPU: 1 PID: 2266 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 [ 87.973858] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_dev x86_pkg_temp_thermal cros_usbpd_notify <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24[ 87.996045] CPU: 1 PID: 2266 Comm: cat Tainted: G D W 5.10.158-cip21 #1 [ 88.010927] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 88.017571] RIP: 0010:refcount_warn_saturate+0xba/0x110 [ 88.023434] Code: 01 01 e8 f3 65 95 00 0f 0b c3 cc cc cc cc 80 3d 56 27 94 01 00 75 85 48 c7 c7 f8 bb 74 a1 c6 05 46 27 94 01 01 e8 d0 65 95 00 <0f> 0b c3 cc cc cc cc 80 3d 31 27 94 01 00 0f 85 5e ff ff ff 48 c7 [ 88.044443] RSP: 0018:ffffb13cc29a7e40 EFLAGS: 00010286 18 # [ 85.213126] RSP: 002b:00007fff7a825cf8 EFLAGS: 0000024[ 88.050304] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000 6 ORIG_RAX: 0000000000000001 # [ 85.221615] RAX: ffffffffffff[ 88.064498] RDX: ffffa079bbcac660 RSI: ffffa079bbc9bf70 RDI: ffffa079bbc9bf70 [ 88.078705] RBP: ffffffffa17aff38 R08: 0000000000000000 R09: 0000000000000000 [ 88.086698] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f [ 88.094692] R13: ffffb13cc29a7f10 R14: ffffb13cc29a7f10 R15: ffffa079441ac000 [ 88.102678] FS: 00007f24b9482580(0000) GS:ffffa079bbc80000(0000) knlGS:0000000000000000 [ 88.111741] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 88.118183] CR2: 00007f24b928b000 CR3: 0000000104050000 CR4: 00000000003506e0 [ 88.126181] Call Trace: ffda RBX: 000000000000001f RCX: 00007fe2a9c038f3 # [ 85.22961[ 88.128959] __refcount_sub_and_test.constprop.0+0x3c/0x50 [ 88.141322] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x78 [ 88.147583] direct_entry.cold+0x2c/0x38 3] RDX: 000000000000001f RSI: 00007fe2a9af6000 RDI: 000000000000[ 88.151994] full_proxy_write+0x56/0x80 [ 88.162491] vfs_write+0xea/0x3a0 [ 88.166222] ksys_write+0x68/0xf0 [ 88.169954] do_syscall_64+0x33/0x40 0001 # [ 85.237646] RBP: 00007fe2a9af6000 R08: 00007fe2a9af50[ 88.173983] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 88.185861] RIP: 0033:0x7f24b93988f3 10 R09: 0000000000000000 # [ 85.251867] R10: fffffffffffffbc5[ 88.189878] Code: 8b 15 a1 25 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 R11: 0000000000000246 R12: 0000000000000001 # [ 85.266072] R[ 88.217130] RSP: 002b:00007ffc17403ac8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 88.231802] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f24b93988f3 [ 88.239800] RDX: 000000000000001f RSI: 00007f24b928b000 RDI: 0000000000000001 [ 88.247804] RBP: 00007f24b928b000 R08: 00007f24b928a010 R09: 0000000000000000 [ 88.255806] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 88.263805] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000[ 88.271828] irq event stamp: 0 # [ 85.274082] irq event stamp: 0 # [ 85.277518] hardirqs[ 88.281483] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 88.294729] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 last enabled at (0): [<0000000000000000>] 0x0 # [ 85.290739[ 88.303896] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 88.319231] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 88.326254] ---[ end trace c11ce2c5dc035d58 ]--- [ 88.331432] lkdtm: Negative detected: saturated ] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 85.306106] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 85.321475] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 85.334702] ---[ end trace c11ce2c5dc035d54 ]--- # [ 85.346080] lkdtm: Overflow detected: saturated # REFCOUNT_INC_NOT_ZERO_OVERFLOW: saw 'call trace:': ok ok 44 selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh # selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh # [ 85.666006] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW # [ 85.679568] lkdtm: attempting bad refcount_add_not_zero() overflow # [ 85.686520] ------------[ cut here ]------------ # [ 85.691705] refcount_t: saturated; leaking memory. # [ 85.697128] WARNING: CPU: 0 PID: 2164 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 85.706585] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_dev x86_pkg_temp_thermal cros_usbpd_notify # [ 85.722593] CPU: 0 PID: 2164 Comm: cat Tainted: G D W 5.10.158-cip21 #1 # [ 85.731281] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 85.737929] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 85.749996] Code: 01 01 e8 16 66 95 00 0f 0b c3 cc cc cc cc 80 3d 7c 27 94 01 00 75 a8 48 c7 c7 a0 bb 74 a1 c6 05 6c 27 94 01 01 e8 f3 65 95 00 <0f> 0b c3 cc cc cc cc 80 3d 56 27 94 01 00 75 85 48 c7 c7 f8 bb 74 # [ 85.771016] RSP: 0018:ffffb13cc284fe38 EFLAGS: 00010282 # [ 85.776880] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 # [ 85.784882] RDX: ffffa079bbc2c660 RSI: ffffa079bbc1bf70 RDI: ffffa079bbc1bf70 # [ 85.792897] RBP: ffffffffa17aff18 R08: 0000000000000000 R09: 0000000000000000 # [ 85.800907] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 85.815091] R13: ffffb13cc284ff10 R14: ffffb13cc284ff10 R15: ffffa07945811000 # [ 85.823092] FS: 00007f43332e9580(0000) GS:ffffa079bbc00000(0000) knlGS:0000000000000000 # [ 85.832164] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 85.838596] CR2: 00007f43330f2000 CR3: 000000010266e000 CR4: 00000000003506f0 # [ 85.846594] Call Trace: # [ 85.849358] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 85.855521] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x76 # [ 85.861775] direct_entry.cold+0x2c/0x38 # [ 85.866192] full_proxy_write+0x56/0x80 # [ 85.870508] vfs_write+0xea/0x3a0 # [ 85.874248] ksys_write+0x68/0xf0 # [ 85.877980] do_syscall_64+0x33/0x40 # [ 85.882001] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 85.887674] RIP: 0033:0x7f43331ff8f3 # [ 85.891693] Code: 8b 15 a1 25 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 # [ 85.912711] RSP: 002b:00007ffc9b1c3dd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 85.921216] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f43331ff8f3 # [ 85.929219] RDX: 000000000000001f RSI: 00007f43330f2000 RDI: 0000000000000001 # [ 85.937217] RBP: 00007f43330f2000 R08: 00007f43330f1010 R09: 0000000000000000 # [ 85.945212] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 85.953204] R13: 0000000000000001[ 88.664945] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE R14: 0000000000020000 R15: 0000000000020000 # [ 85.967417] i[ 88.673498] lkdtm: attempting bad refcount_sub_and_test() below zero [ 88.686826] ------------[ cut here ]------------ [ 88.692011] refcount_t: underflow; use-after-free. [ 88.697434] WARNING: CPU: 0 PID: 2301 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 rq event stamp: 0 # [ 85.977055] hardirqs last enabled at (0[ 88.706894] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_dev x86_pkg_temp_thermal cros_usbpd_notify [ 88.729099] CPU: 0 PID: 2301 Comm: cat Tainted: G D W 5.10.158-cip21 #1 [ 88.737764] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 88.744404] RIP: 0010:refcount_warn_saturate+0xba/0x110 [ 88.750266] Code: 01 01 e8 f3 65 95 00 0f 0b c3 cc cc cc cc 80 3d 56 27 94 01 00 75 85 48 c7 c7 f8 bb 74 a1 c6 05 46 27 94 01 01 e8 d0 65 95 00 <0f> 0b c3 cc cc cc cc 80 3d 31 27 94 01 00 0f 85 5e ff ff ff 48 c7 [ 88.771270] RSP: 0018:ffffb13cc2a37e40 EFLAGS: 00010286 [ 88.777135] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000 [ 88.785130] RDX: ffffa079bbc2c660 RSI: ffffa079bbc1bf70 RDI: ffffa079bbc1bf70 [ 88.793138] RBP: ffffffffa17aff58 R08: 0000000000000000 R09: 0000000000000000 [ 88.801138] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f [ 88.809134] R13: ffffb13cc2a37f10 R14: ffffb13cc2a37f10 R15: ffffa0794311d000 [ 88.817129] FS: 00007fbb4347f580(0000) GS:ffffa079bbc00000(0000) knlGS:0000000000000000 [ 88.826193] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 88.832634] CR2: 00007fbb43288000 CR3: 000000010295a000 CR4: 00000000003506f0 [ 88.840630] Call Trace: [ 88.843398] __refcount_sub_and_test.constprop.0+0x3c/0x50 [ 88.849559] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x7b [ 88.855828] direct_entry.cold+0x2c/0x38 [ 88.860246] full_proxy_write+0x56/0x80 [ 88.864562] vfs_write+0xea/0x3a0 [ 88.868297] ksys_write+0x68/0xf0 [ 88.872029] do_syscall_64+0x33/0x40 [ 88.876061] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 88.881737] RIP: 0033:0x7fbb433958f3 [ 88.885757] Code: 8b 15 a1 25 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 [ 88.906774] RSP: 002b:00007ffca183cfb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 88.915259] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fbb433958f3 [ 88.923265] RDX: 000000000000001f RSI: 00007fbb43288000 RDI: 0000000000000001 [ 88.931264] RBP: 00007fbb43288000 R08: 00007fbb43287010 R09: 0000000000000000 [ 88.939261] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 ): [<0000000000000000>] 0x0 # [ 85.984080] hardirqs last disa[ 88.947268] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 bled at (0): [] copy_process+0x640/0x1c80 # [[ 88.961459] irq event stamp: 0 85.993255] softirqs last enabled at (0): [[ 88.971086] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 88.984318] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 ] copy_process+0x640/0x1c80 # [ 86.002420] softirqs last disa[ 88.993488] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 89.008867] softirqs last disabled at (0): [<0000000000000000>] 0x0 bled at (0): [<0000000000000000>] 0x0 # [ 86.009478] ---[ end[ 89.015928] ---[ end trace c11ce2c5dc035d59 ]--- [ 89.027324] lkdtm: Negative detected: saturated trace c11ce2c5dc035d55 ]--- # [ 86.014685] 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 # [ 86.331855] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO # [ 86.343216] lkdtm: attempting good refcount_dec() # [ 86.354741] lkdtm: attempting bad refcount_dec() to zero # [ 86.366919] ------------[ cut here ]------------ # [ 86.378280] refcount_t: decrement hit 0; leaking memory. # [ 86.390774] WARNING: CPU: 3 PID: 2196 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 86.406202] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_dev x86_pkg_temp_thermal cros_usbpd_notify # [ 86.428498] CPU: 3 PID: 2196 Comm: cat Tainted: G D W 5.10.158-cip21 #1 # [ 86.443320] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 86.456142] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 86.468205] Code: 50 bc 74 a1 c6 05 1d 27 94 01 01 e8 a9 65 95 00 0f 0b c3 cc cc cc cc 48 c7 c7 20 bc 74 a1 c6 05 04 27 94 01 01 e8 8f 65 95 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 86.495362] RSP: 0018:ffffb13cc28c7e48 EFLAGS: 00010286 # [ 86.507432] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000 # [ 86.521644] RDX: ffffa079bbdac660 RSI: ffffa079bbd9bf70 RDI: ffffa079bbd9bf70 # [ 86.535889] RBP: ffffffffa17b02d1 R08: 0000000000000000 R09: 0000000000000000 # [ 86.550036] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 86.564247] R13: ffffb13cc28c7f10 R14: ffffb13cc28c7f10 R15: ffffa0794583f000 # [ 86.578427] FS: 00007f638fc58580(0000) GS:ffffa079bbd80000(0000) knlGS:0000000000000000 # [ 86.593720] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 86.606327] CR2: 00007f638fa61000 CR3: 0000000104b7e000 CR4: 00000000003506e0 # [ 86.620560] Call Trace: # [ 86.629502] lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xbd # [ 86.640730] direct_entry.cold+0x2c/0x38 # [ 86.651252] full_proxy_write+0x56/0x80 # [ 86.661877] vfs_write+0xea/0x3a0 # [ 86.671720] ksys_write+0x68/0xf0 # [ 86.681707] do_syscall_64+0x33/0x40 # [ 86.691872] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 86.703757] RIP: 0033:0x7f638fb6e8f3 # [ 86.713936] Code: 8b 15 a1 25 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 # [ 86.741211] RSP: 002b:00007fff3565a058 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 86.755810] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f638fb6e8f3 # [ 86.769968] RDX: 0000000000000012 RSI: 00007f638fa61000 RDI: 0000000000000001 # [ 86.784158] RBP: 00007f638fa61000 R08: 00007f638fa60010 R09: 0000000000000000 # [ 86.798432] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 86.812606] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 86.826829] irq event stamp: 0 # [ 86.836396] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 86.849654] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 86.86[ 89.354409] lkdtm: Performing direct entry REFCOUNT_INC_ZERO 4993] softirqs last enabled at (0): [] copy_p[ 89.361998] lkdtm: attempting safe refcount_inc_not_zero() from zero [ 89.375364] lkdtm: Good: zero detected rocess+0x640/0x1c80 # [ 86.880348] softirqs last disabled at [ 89.379579] lkdtm: Correctly stayed at zero (0): [<0000000000000000>] 0x0 # [ 86.893616] ---[ end trace c[ 89.390471] lkdtm: attempting bad refcount_inc() from zero [ 89.402835] ------------[ cut here ]------------ [ 89.408014] refcount_t: addition on 0; use-after-free. [ 89.413834] WARNING: CPU: 0 PID: 2333 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 [ 89.423292] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_dev x86_pkg_temp_thermal cros_usbpd_notify [ 89.439338] CPU: 0 PID: 2333 Comm: cat Tainted: G D W 5.10.158-cip21 #1 [ 89.448039] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 89.454681] RIP: 0010:refcount_warn_saturate+0x74/0x110 [ 89.460546] Code: 01 01 e8 39 66 95 00 0f 0b c3 cc cc cc cc 80 3d 9d 27 94 01 00 75 cb 48 c7 c7 c8 bb 74 a1 c6 05 8d 27 94 01 01 e8 16 66 95 00 <0f> 0b c3 cc cc cc cc 80 3d 7c 27 94 01 00 75 a8 48 c7 c7 a0 bb 74 [ 89.481556] RSP: 0018:ffffb13cc2aafe48 EFLAGS: 00010286 [ 89.487418] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000 [ 89.495413] RDX: ffffa079bbc2c660 RSI: ffffa079bbc1bf70 RDI: ffffa079bbc1bf70 [ 89.503405] RBP: ffffffffa17b02f9 R08: 0000000000000000 R09: 0000000000000000 [ 89.511405] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 [ 89.519400] R13: ffffb13cc2aaff10 R14: ffffb13cc2aaff10 R15: ffffa07944d87000 [ 89.527396] FS: 00007efdda9f3580(0000) GS:ffffa079bbc00000(0000) knlGS:0000000000000000 [ 89.536458] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 89.542897] CR2: 00007efdda7fc000 CR3: 0000000100ff2000 CR4: 00000000003506f0 [ 89.550889] Call Trace: [ 89.553651] lkdtm_REFCOUNT_INC_ZERO+0x99/0xc1 [ 89.558646] direct_entry.cold+0x2c/0x38 [ 89.563056] full_proxy_write+0x56/0x80 [ 89.567371] vfs_write+0xea/0x3a0 [ 89.571101] ksys_write+0x68/0xf0 [ 89.574832] do_syscall_64+0x33/0x40 [ 89.578856] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 89.584525] RIP: 0033:0x7efdda9098f3 [ 89.588544] Code: 8b 15 a1 25 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 [ 89.609559] RSP: 002b:00007fff5ed3b528 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 89.618044] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007efdda9098f3 [ 89.626041] RDX: 0000000000000012 RSI: 00007efdda7fc000 RDI: 0000000000000001 [ 89.634039] RBP: 00007efdda7fc000 R08: 00007efdda7fb010 R09: 0000000000000000 [ 89.642035] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 11ce2c5dc035d56 ]--- # [ 86.904984] lkdtm: Zero detected: sat[ 89.650029] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 urated # REFCOUNT_DEC_ZERO: saw 'call trace:': ok ok 46 selfte[ 89.664239] irq event stamp: 0 sts: lkdtm: REFCOUNT_DEC_ZERO.sh # selftests: lkdtm: REFCOUNT_D[ 89.673874] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 89.687113] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 89.696275] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 89.705432] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 89.712457] ---[ end trace c11ce2c5dc035d5a ]--- [ 89.717636] lkdtm: Zero detected: saturated EC_NEGATIVE.sh # [ 87.268086] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE # [ 87.276713] lkdtm: attempting bad refcount_dec() below zero # [ 87.282998] ------------[ cut here ]------------ # [ 87.294391] refcount_t: decrement hit 0; leaking memory. # [ 87.300401] WARNING: CPU: 2 PID: 2231 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 87.309855] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_dev x86_pkg_temp_thermal cros_usbpd_notify # [ 87.332071] CPU: 2 PID: 2231 Comm: cat Tainted: G D W 5.10.158-cip21 #1 # [ 87.340750] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 87.347391] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 87.353257] Code: 50 bc 74 a1 c6 05 1d 27 94 01 01 e8 a9 65 95 00 0f 0b c3 cc cc cc cc 48 c7 c7 20 bc 74 a1 c6 05 04 27 94 01 01 e8 8f 65 95 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 87.374274] RSP: 0018:ffffb13cc293fe48 EFLAGS: 00010286 # [ 87.380139] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000 # [ 87.388143] RDX: ffffa079bbd2c660 RSI: ffffa079bbd1bf70 RDI: ffffa079bbd1bf70 # [ 87.396149] RBP: ffffffffa17b02e3 R08: 0000000000000000 R09: 0000000000000000 # [ 87.404150] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 87.412150] R13: ffffb13cc293ff10 R14: ffffb13cc293ff10 R15: ffffa07945b3b000 # [ 87.420150] FS: 00007f686518d580(0000) GS:ffffa079bbd00000(0000) knlGS:0000000000000000 # [ 87.429215] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 87.435657] CR2: 00007f6864f96000 CR3: 0000000105a28000 CR4: 00000000003506e0 # [ 87.443654] Call Trace: # [ 87.446421] lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x61 # [ 87.451816] direct_entry.cold+0x2c/0x38 # [ 87.456233] full_proxy_write+0x56/0x80 # [ 87.460556] vfs_write+0xea/0x3a0 # [ 87.464284] ksys_write+0x68/0xf0 # [ 87.468017] do_syscall_64+0x33/0x40 # [ 87.472044] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 87.477715] RIP: 0033:0x7f68650a38f3 # [ 87.481741] Code: 8b 15 a1 25 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 # [ 87.502752] RSP: 002b:00007ffc2266fb18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 87.511238] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f68650a38f3 # [ 87.519238] RDX: 0000000000000016 RSI: 00007f6864f96000 RDI: 0000000000000001 # [ 87.527241] RBP: 00007f6864f96000 R08: 00007f6864f95010 R09: 0000000000000000 # [ 87.535228] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 87.543235] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 87.557444] irq event stamp: 0 # [ 87.560884] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 87.567915] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 87.577083] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 87.586244] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 87.593277] ---[ end trace c11ce2c5dc035d57 ]--- # [ 87.598460] lkdtm: Negative detected: saturated # REFCOUNT_DEC_NEGATIVE: saw 'Negative detected: saturated': ok ok[ 90.049020] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO [ 90.058228] lkdtm: attempting safe refcount_add_not_zero() from zero [ 90.065359] lkdtm: Good: zero detected 47 selftests: lkdtm: REFCOUNT_DEC_NEGATIVE.sh # selftests: lkd[ 90.069577] lkdtm: Correctly stayed at zero tm: REFCOUNT_DEC_AND_TEST_NEGATIVE.sh # [ 87.919326] lkdtm: P[ 90.080466] lkdtm: attempting bad refcount_add() from zero [ 90.092821] ------------[ cut here ]------------ [ 90.097997] refcount_t: addition on 0; use-after-free. [ 90.103815] WARNING: CPU: 0 PID: 2365 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 [ 90.113268] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_dev x86_pkg_temp_thermal cros_usbpd_notify [ 90.129322] CPU: 0 PID: 2365 Comm: cat Tainted: G D W 5.10.158-cip21 #1 [ 90.138032] Hardware name: Google Coral/Coral, BIOS 09/29/2020 erforming direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE # [ 87.[ 90.144669] RIP: 0010:refcount_warn_saturate+0x74/0x110 [ 90.156719] Code: 01 01 e8 39 66 95 00 0f 0b c3 cc cc cc cc 80 3d 9d 27 94 01 00 75 cb 48 c7 c7 c8 bb 74 a1 c6 05 8d 27 94 01 01 e8 16 66 95 00 <0f> 0b c3 cc cc cc cc 80 3d 7c 27 94 01 00 75 a8 48 c7 c7 a0 bb 74 [ 90.177728] RSP: 0018:ffffb13cc2ac7e48 EFLAGS: 00010286 [ 90.183593] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000 [ 90.191593] RDX: ffffa079bbc2c660 RSI: ffffa079bbc1bf70 RDI: ffffa079bbc1bf70 [ 90.199593] RBP: ffffffffa17b030b R08: 0000000000000000 R09: 0000000000000000 [ 90.207589] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 [ 90.215587] R13: ffffb13cc2ac7f10 R14: ffffb13cc2ac7f10 R15: ffffa079459cc000 [ 90.223585] FS: 00007fd802299580(0000) GS:ffffa079bbc00000(0000) knlGS:0000000000000000 [ 90.232643] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 90.239083] CR2: 00007fd8020a2000 CR3: 0000000103a88000 CR4: 00000000003506f0 [ 90.247078] Call Trace: [ 90.249842] lkdtm_REFCOUNT_ADD_ZERO+0x99/0xc1 [ 90.254835] direct_entry.cold+0x2c/0x38 [ 90.259246] full_proxy_write+0x56/0x80 [ 90.263559] vfs_write+0xea/0x3a0 [ 90.267287] ksys_write+0x68/0xf0 [ 90.271015] do_syscall_64+0x33/0x40 [ 90.275035] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 90.280705] RIP: 0033:0x7fd8021af8f3 [ 90.284721] Code: 8b 15 a1 25 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 [ 90.305734] RSP: 002b:00007ffd0b6d94b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 90.314224] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fd8021af8f3 [ 90.322221] RDX: 0000000000000012 RSI: 00007fd8020a2000 RDI: 0000000000000001 [ 90.330220] RBP: 00007fd8020a2000 R08: 00007fd8020a1010 R09: 0000000000000000 [ 90.338218] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 90.346212] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 90.354214] irq event stamp: 0 928092] lkdtm: attempting bad refcount_dec_and_test() below zero[ 90.357642] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 90.370880] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 90.380044] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 90.389203] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 90.396224] ---[ end trace c11ce2c5dc035d5b ]--- [ 90.401398] lkdtm: Zero detected: saturated # [ 87.935237] ------------[ cut here ]------------ # [ 87.946598] refcount_t: underflow; use-after-free. # [ 87.958232] WARNING: CPU: 1 PID: 2266 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 87.973858] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_dev x86_pkg_temp_thermal cros_usbpd_notify # [ 87.996045] CPU: 1 PID: 2266 Comm: cat Tainted: G D W 5.10.158-cip21 #1 # [ 88.010927] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 88.017571] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 88.023434] Code: 01 01 e8 f3 65 95 00 0f 0b c3 cc cc cc cc 80 3d 56 27 94 01 00 75 85 48 c7 c7 f8 bb 74 a1 c6 05 46 27 94 01 01 e8 d0 65 95 00 <0f> 0b c3 cc cc cc cc 80 3d 31 27 94 01 00 0f 85 5e ff ff ff 48 c7 # [ 88.044443] RSP: 0018:ffffb13cc29a7e40 EFLAGS: 00010286 # [ 88.050304] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000 # [ 88.064498] RDX: ffffa079bbcac660 RSI: ffffa079bbc9bf70 RDI: ffffa079bbc9bf70 # [ 88.078705] RBP: ffffffffa17aff38 R08: 0000000000000000 R09: 0000000000000000 # [ 88.086698] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 88.094692] R13: ffffb13cc29a7f10 R14: ffffb13cc29a7f10 R15: ffffa079441ac000 # [ 88.102678] FS: 00007f24b9482580(0000) GS:ffffa079bbc80000(0000) knlGS:0000000000000000 # [ 88.111741] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 88.118183] CR2: 00007f24b928b000 CR3: 0000000104050000 CR4: 00000000003506e0 # [ 88.126181] Call Trace: # [ 88.128959] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 88.141322] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x78 # [ 88.147583] direct_entry.cold+0x2c/0x38 # [ 88.151994] full_proxy_write+0x56/0x80 # [ 88.162491] vfs_write+0xea/0x3a0 # [ 88.166222] ksys_write+0x68/0xf0 # [ 88.169954] do_syscall_64+0x33/0x40 # [ 88.173983] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 88.185861] RIP: 0033:0x7f24b93988f3 # [ 88.189878] Code: 8b 15 a1 25 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 # [ 88.217130] RSP: 002b:00007ffc17403ac8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 88.231802] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f24b93988f3 # [ 88.239800] RDX: 000000000000001f RSI: 00007f24b928b000 RDI: 0000000000000001 # [ 88.247804] RBP: 00007f24b928b000 R08: 00007f24b928a010 R09: 0000000000000000 # [ 88.255806] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 88.263805] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 88.271828] irq event stamp: 0 # [ 88.281483] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 88.294729] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 88.303896] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 88.319231] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 88.326254] ---[ end trace c11ce2c5dc035d58 ]--- # [ 88.331432] 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 # [ 88.664945] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE # [ 88.6[ 90.745936] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED 73498] lkdtm: attempting bad refcount_sub_and_test() below zero [ 90.754951] lkdtm: attempting bad refcount_inc() from saturated [ 90.767835] ------------[ cut here ]------------ [ 90.773011] refcount_t: saturated; leaking memory. [ 90.778440] WARNING: CPU: 2 PID: 2400 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 88.686826] ------------[ cut here ]------------ # [ 88[ 90.787893] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_dev x86_pkg_temp_thermal cros_usbpd_notify [ 90.810087] CPU: 2 PID: 2400 Comm: cat Tainted: G D W 5.10.158-cip21 #1 [ 90.818767] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 90.825408] RIP: 0010:refcount_warn_saturate+0x51/0x110 [ 90.831272] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d c1 27 94 01 00 75 ee 48 c7 c7 a0 bb 74 a1 c6 05 b1 27 94 01 01 e8 39 66 95 00 <0f> 0b c3 cc cc cc cc 80 3d 9d 27 94 01 00 75 cb 48 c7 c7 c8 bb 74 [ 90.852288] RSP: 0018:ffffb13cc2b97e48 EFLAGS: 00010286 [ 90.858159] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000 [ 90.866154] RDX: ffffa079bbd2c660 RSI: ffffa079bbd1bf70 RDI: ffffa079bbd1bf70 [ 90.874157] RBP: ffffffffa17b031d R08: 0000000000000000 R09: 0000000000000000 [ 90.882153] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 [ 90.890148] R13: ffffb13cc2b97f10 R14: ffffb13cc2b97f10 R15: ffffa07943b2a000 [ 90.898145] FS: 00007f611a379580(0000) GS:ffffa079bbd00000(0000) knlGS:0000000000000000 [ 90.907212] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 90.913654] CR2: 00007f611a182000 CR3: 0000000104b7e000 CR4: 00000000003506e0 [ 90.921644] Call Trace: [ 90.924406] lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x64 [ 90.929883] direct_entry.cold+0x2c/0x38 [ 90.934282] full_proxy_write+0x56/0x80 [ 90.938602] vfs_write+0xea/0x3a0 [ 90.942332] ksys_write+0x68/0xf0 [ 90.946059] do_syscall_64+0x33/0x40 [ 90.950079] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 90.955746] RIP: 0033:0x7f611a28f8f3 [ 90.959760] Code: 8b 15 a1 25 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 [ 90.980766] RSP: 002b:00007ffe943d1c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 90.989248] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f611a28f8f3 [ 90.997238] RDX: 0000000000000017 RSI: 00007f611a182000 RDI: 0000000000000001 [ 91.005240] RBP: 00007f611a182000 R08: 00007f611a181010 R09: 0000000000000000 [ 91.013235] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 91.021228] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 .692011] refcount_t: underflow; use-after-free. # [ 88.697434[ 91.029241] irq event stamp: 0 ] WARNING: CPU: 0 PID: 2301 at lib/refcount.c:28 refcount_warn_s[ 91.038859] hardirqs last enabled at (0): [<0000000000000000>] 0x0 aturate+0xba/0x110 # [ 88.706894] Modules linked in: fuse ip_[ 91.052072] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 91.067431] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 91.076595] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 91.083619] ---[ end trace c11ce2c5dc035d5c ]--- [ 91.088801] lkdtm: Saturation detected: still saturated tables cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_dev x86_pkg_temp_thermal cros_usbpd_notify # [ 88.729099] CPU: 0 PID: 2301 Comm: cat Tainted: G D W 5.10.158-cip21 #1 # [ 88.737764] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 88.744404] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 88.750266] Code: 01 01 e8 f3 65 95 00 0f 0b c3 cc cc cc cc 80 3d 56 27 94 01 00 75 85 48 c7 c7 f8 bb 74 a1 c6 05 46 27 94 01 01 e8 d0 65 95 00 <0f> 0b c3 cc cc cc cc 80 3d 31 27 94 01 00 0f 85 5e ff ff ff 48 c7 # [ 88.771270] RSP: 0018:ffffb13cc2a37e40 EFLAGS: 00010286 # [ 88.777135] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000 # [ 88.785130] RDX: ffffa079bbc2c660 RSI: ffffa079bbc1bf70 RDI: ffffa079bbc1bf70 # [ 88.793138] RBP: ffffffffa17aff58 R08: 0000000000000000 R09: 0000000000000000 # [ 88.801138] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 88.809134] R13: ffffb13cc2a37f10 R14: ffffb13cc2a37f10 R15: ffffa0794311d000 # [ 88.817129] FS: 00007fbb4347f580(0000) GS:ffffa079bbc00000(0000) knlGS:0000000000000000 # [ 88.826193] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 88.832634] CR2: 00007fbb43288000 CR3: 000000010295a000 CR4: 00000000003506f0 # [ 88.840630] Call Trace: # [ 88.843398] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 88.849559] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x7b # [ 88.855828] direct_entry.cold+0x2c/0x38 # [ 88.860246] full_proxy_write+0x56/0x80 # [ 88.864562] vfs_write+0xea/0x3a0 # [ 88.868297] ksys_write+0x68/0xf0 # [ 88.872029] do_syscall_64+0x33/0x40 # [ 88.876061] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 88.881737] RIP: 0033:0x7fbb433958f3 # [ 88.885757] Code: 8b 15 a1 25 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 # [ 88.906774] RSP: 002b:00007ffca183cfb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 88.915259] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fbb433958f3 # [ 88.923265] RDX: 000000000000001f RSI: 00007fbb43288000 RDI: 0000000000000001 # [ 88.931264] RBP: 00007fbb43288000 R08: 00007fbb43287010 R09: 0000000000000000 # [ 88.939261] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 88.947268] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 88.961459] irq event stamp: 0 # [ 88.971086] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 88.984318] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 88.993488] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 89.008867] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 89.015928] ---[ end trace c11ce2c5dc035d59 ]--- # [ 89.027324] 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 # [ 89.354409] lkdtm: Performing direct entry REFCOUNT_INC_ZERO # [ 89.361998] lkdtm: attempting safe refcount_inc_not_zero() from zero # [ 89.375364] lkdtm: Good: zero detected # [ 89.379579] lkdtm: Correctly stayed at z[ 91.419711] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED [ 91.430845] lkdtm: attempting bad refcount_dec() from saturated [ 91.437487] ------------[ cut here ]------------ [ 91.442676] refcount_t: decrement hit 0; leaking memory. [ 91.448680] WARNING: CPU: 2 PID: 2435 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 [ 91.458126] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_dev x86_pkg_temp_thermal cros_usbpd_notify [ 91.474129] CPU: 2 PID: 2435 Comm: cat Tainted: G D W 5.10.158-cip21 #1 [ 91.482808] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 91.489449] RIP: 0010:refcount_warn_saturate+0xfb/0x110 [ 91.495312] Code: 50 bc 74 a1 c6 05 1d 27 94 01 01 e8 a9 65 95 00 0f 0b c3 cc cc cc cc 48 c7 c7 20 bc 74 a1 c6 05 04 27 94 01 01 e8 8f 65 95 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b [ 91.516315] RSP: 0018:ffffb13cc2c27e48 EFLAGS: 00010286 [ 91.522180] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000 [ 91.530176] RDX: ffffa079bbd2c660 RSI: ffffa079bbd1bf70 RDI: ffffa079bbd1bf70 [ 91.538173] RBP: ffffffffa17b0334 R08: 0000000000000000 R09: 0000000000000000 [ 91.546166] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 [ 91.554147] R13: ffffb13cc2c27f10 R14: ffffb13cc2c27f10 R15: ffffa07944177000 [ 91.562141] FS: 00007fa6f8c0f580(0000) GS:ffffa079bbd00000(0000) knlGS:0000000000000000 [ 91.571202] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 91.577640] CR2: 00007fa6f8a18000 CR3: 0000000103a84000 CR4: 00000000003506e0 [ 91.585634] Call Trace: [ 91.588399] lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5f [ 91.593877] direct_entry.cold+0x2c/0x38 [ 91.598289] full_proxy_write+0x56/0x80 [ 91.602607] vfs_write+0xea/0x3a0 [ 91.606336] ksys_write+0x68/0xf0 [ 91.610066] do_syscall_64+0x33/0x40 [ 91.614078] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 91.619738] RIP: 0033:0x7fa6f8b258f3 [ 91.623753] Code: 8b 15 a1 25 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 [ 91.644760] RSP: 002b:00007ffeebcfd5f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 91.653242] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007fa6f8b258f3 [ 91.661234] RDX: 0000000000000017 RSI: 00007fa6f8a18000 RDI: 0000000000000001 [ 91.669233] RBP: 00007fa6f8a18000 R08: 00007fa6f8a17010 R09: 0000000000000000 [ 91.677241] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 91.685233] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 91.693236] irq event stamp: 0 ero # [ 89.390471] lkdtm: attempting bad refcount_inc() from [ 91.696661] hardirqs last enabled at (0): [<0000000000000000>] 0x0 zero # [ 89.402835] ------------[ cut here ]------------ # [[ 91.709897] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 89.408014] refcount_t: addition on 0; use-after-free. # [ [ 91.725255] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 91.740623] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 91.747646] ---[ end trace c11ce2c5dc035d5d ]--- [ 91.752823] lkdtm: Saturation detected: still saturated 89.413834] WARNING: CPU: 0 PID: 2333 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 # [ 89.423292] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_dev x86_pkg_temp_thermal cros_usbpd_notify # [ 89.439338] CPU: 0 PID: 2333 Comm: cat Tainted: G D W 5.10.158-cip21 #1 # [ 89.448039] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 89.454681] RIP: 0010:refcount_warn_saturate+0x74/0x110 # [ 89.460546] Code: 01 01 e8 39 66 95 00 0f 0b c3 cc cc cc cc 80 3d 9d 27 94 01 00 75 cb 48 c7 c7 c8 bb 74 a1 c6 05 8d 27 94 01 01 e8 16 66 95 00 <0f> 0b c3 cc cc cc cc 80 3d 7c 27 94 01 00 75 a8 48 c7 c7 a0 bb 74 # [ 89.481556] RSP: 0018:ffffb13cc2aafe48 EFLAGS: 00010286 # [ 89.487418] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000 # [ 89.495413] RDX: ffffa079bbc2c660 RSI: ffffa079bbc1bf70 RDI: ffffa079bbc1bf70 # [ 89.503405] RBP: ffffffffa17b02f9 R08: 0000000000000000 R09: 0000000000000000 # [ 89.511405] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 89.519400] R13: ffffb13cc2aaff10 R14: ffffb13cc2aaff10 R15: ffffa07944d87000 # [ 89.527396] FS: 00007efdda9f3580(0000) GS:ffffa079bbc00000(0000) knlGS:0000000000000000 # [ 89.536458] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 89.542897] CR2: 00007efdda7fc000 CR3: 0000000100ff2000 CR4: 00000000003506f0 # [ 89.550889] Call Trace: # [ 89.553651] lkdtm_REFCOUNT_INC_ZERO+0x99/0xc1 # [ 89.558646] direct_entry.cold+0x2c/0x38 # [ 89.563056] full_proxy_write+0x56/0x80 # [ 89.567371] vfs_write+0xea/0x3a0 # [ 89.571101] ksys_write+0x68/0xf0 # [ 89.574832] do_syscall_64+0x33/0x40 # [ 89.578856] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 89.584525] RIP: 0033:0x7efdda9098f3 # [ 89.588544] Code: 8b 15 a1 25 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 # [ 89.609559] RSP: 002b:00007fff5ed3b528 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 89.618044] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007efdda9098f3 # [ 89.626041] RDX: 0000000000000012 RSI: 00007efdda7fc000 RDI: 0000000000000001 # [ 89.634039] RBP: 00007efdda7fc000 R08: 00007efdda7fb010 R09: 0000000000000000 # [ 89.642035] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 89.650029] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 89.664239] irq event stamp: 0 # [ 89.673874] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 89.687113] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 89.696275] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 89.705432] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 89.712457] ---[ end trace c11ce2c5dc035d5a ]--- # [ 89.717636] 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 # [ 90.049020] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO # [ 90.058228] lkdtm: attempting safe refcount_add_not_zero() from zero # [ 90.065359] lkdtm: Good: zero detected # [ 90.069577] lkdtm: Correctly stayed at zero # [ 90.080466] lkdtm: attempting bad refcount_add() from zero # [ 90.092821] ------------[ cut here ]------------ # [ 90.097997] refcount_t: addition on 0; use-after-f[ 92.101040] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED [ 92.113817] lkdtm: attempting bad refcount_dec() from saturated [ 92.120469] ------------[ cut here ]------------ ree. # [ 90.103815] WARNING: CPU: 0 PID: 2365 at lib/refcount[ 92.125648] refcount_t: saturated; leaking memory. [ 92.137278] WARNING: CPU: 0 PID: 2470 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 [ 92.146728] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_dev x86_pkg_temp_thermal cros_usbpd_notify [ 92.162725] CPU: 0 PID: 2470 Comm: cat Tainted: G D W 5.10.158-cip21 #1 [ 92.171401] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 92.178076] RIP: 0010:refcount_warn_saturate+0x51/0x110 [ 92.183963] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d c1 27 94 01 00 75 ee 48 c7 c7 a0 bb 74 a1 c6 05 b1 27 94 01 01 e8 39 66 95 00 <0f> 0b c3 cc cc cc cc 80 3d 9d 27 94 01 00 75 cb 48 c7 c7 c8 bb 74 [ 92.204970] RSP: 0018:ffffb13cc2ca7e48 EFLAGS: 00010286 [ 92.210833] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000 [ 92.218832] RDX: ffffa079bbc2c660 RSI: ffffa079bbc1bf70 RDI: ffffa079bbc1bf70 [ 92.226827] RBP: ffffffffa17b034b R08: 0000000000000000 R09: 0000000000000000 [ 92.234826] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 [ 92.242822] R13: ffffb13cc2ca7f10 R14: ffffb13cc2ca7f10 R15: ffffa07945cca000 [ 92.250815] FS: 00007f7349346580(0000) GS:ffffa079bbc00000(0000) knlGS:0000000000000000 [ 92.259869] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 92.266311] CR2: 00007f734914f000 CR3: 0000000102afc000 CR4: 00000000003506f0 [ 92.274305] Call Trace: [ 92.277072] lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x64 [ 92.282555] direct_entry.cold+0x2c/0x38 [ 92.286970] full_proxy_write+0x56/0x80 [ 92.291285] vfs_write+0xea/0x3a0 [ 92.295014] ksys_write+0x68/0xf0 [ 92.298747] do_syscall_64+0x33/0x40 [ 92.302770] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 92.308443] RIP: 0033:0x7f734925c8f3 [ 92.312460] Code: 8b 15 a1 25 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 [ 92.333472] RSP: 002b:00007fffab7cddb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 92.341960] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f734925c8f3 [ 92.349958] RDX: 0000000000000017 RSI: 00007f734914f000 RDI: 0000000000000001 [ 92.357956] RBP: 00007f734914f000 R08: 00007f734914e010 R09: 0000000000000000 [ 92.365954] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 92.373949] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 92.381960] irq event stamp: 0 [ 92.385393] hardirqs last enabled at (0): [<0000000000000000>] 0x0 .c:25 refcount_warn_saturate+0x74/0x110 # [ 90.113268] Module[ 92.392407] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 s linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros_[ 92.407768] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 92.423137] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 92.430150] ---[ end trace c11ce2c5dc035d5e ]--- [ 92.435331] lkdtm: Saturation detected: still saturated ec_debugfs cros_ec_chardev cros_ec_dev x86_pkg_temp_thermal cros_usbpd_notify # [ 90.129322] CPU: 0 PID: 2365 Comm: cat Tainted: G D W 5.10.158-cip21 #1 # [ 90.138032] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 90.144669] RIP: 0010:refcount_warn_saturate+0x74/0x110 # [ 90.156719] Code: 01 01 e8 39 66 95 00 0f 0b c3 cc cc cc cc 80 3d 9d 27 94 01 00 75 cb 48 c7 c7 c8 bb 74 a1 c6 05 8d 27 94 01 01 e8 16 66 95 00 <0f> 0b c3 cc cc cc cc 80 3d 7c 27 94 01 00 75 a8 48 c7 c7 a0 bb 74 # [ 90.177728] RSP: 0018:ffffb13cc2ac7e48 EFLAGS: 00010286 # [ 90.183593] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000 # [ 90.191593] RDX: ffffa079bbc2c660 RSI: ffffa079bbc1bf70 RDI: ffffa079bbc1bf70 # [ 90.199593] RBP: ffffffffa17b030b R08: 0000000000000000 R09: 0000000000000000 # [ 90.207589] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 90.215587] R13: ffffb13cc2ac7f10 R14: ffffb13cc2ac7f10 R15: ffffa079459cc000 # [ 90.223585] FS: 00007fd802299580(0000) GS:ffffa079bbc00000(0000) knlGS:0000000000000000 # [ 90.232643] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 90.239083] CR2: 00007fd8020a2000 CR3: 0000000103a88000 CR4: 00000000003506f0 # [ 90.247078] Call Trace: # [ 90.249842] lkdtm_REFCOUNT_ADD_ZERO+0x99/0xc1 # [ 90.254835] direct_entry.cold+0x2c/0x38 # [ 90.259246] full_proxy_write+0x56/0x80 # [ 90.263559] vfs_write+0xea/0x3a0 # [ 90.267287] ksys_write+0x68/0xf0 # [ 90.271015] do_syscall_64+0x33/0x40 # [ 90.275035] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 90.280705] RIP: 0033:0x7fd8021af8f3 # [ 90.284721] Code: 8b 15 a1 25 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 # [ 90.305734] RSP: 002b:00007ffd0b6d94b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 90.314224] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fd8021af8f3 # [ 90.322221] RDX: 0000000000000012 RSI: 00007fd8020a2000 RDI: 0000000000000001 # [ 90.330220] RBP: 00007fd8020a2000 R08: 00007fd8020a1010 R09: 0000000000000000 # [ 90.338218] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 90.346212] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 90.354214] irq event stamp: 0 # [ 90.357642] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 90.370880] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 90.380044] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 90.389203] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 90.396224] ---[ end trace c11ce2c5dc035d5b ]--- # [ 90.401398] 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 # [ 90.745936] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED # [ 90.754951] lkdtm: attempting bad refcount_inc() from saturated # [ 90.767835] ------------[ cut here ]------------ # [ 90.773011] refcount_t: saturated; leaking memory. # [ 90.778440] WARNING: CPU: 2 PID: 2400 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 90.787893] Modules linked in: fuse i[ 92.769974] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED [ 92.778302] lkdtm: attempting bad refcount_inc_not_zero() from saturated [ 92.785842] ------------[ cut here ]------------ p_tables cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_[ 92.791030] refcount_t: saturated; leaking memory. chardev cros_ec_dev x86_pkg_temp_thermal cros_usbpd_notify # [ [ 92.802668] WARNING: CPU: 1 PID: 2502 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 90.810087] CPU: 2 PID: 2400 Comm: cat Tainted: G D W [ 92.818299] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_dev x86_pkg_temp_thermal cros_usbpd_notify 5.10.158-cip21 #1 # [ 90.818767] Hardware name: Google Co[ 92.840544] CPU: 1 PID: 2502 Comm: cat Tainted: G D W 5.10.158-cip21 #1 ral/Coral, BIOS 09/29/2020 # [ 90.825408] RIP: 0010:refcount[ 92.855416] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 92.868251] RIP: 0010:refcount_warn_saturate+0x97/0x110 [ 92.874115] Code: 01 01 e8 16 66 95 00 0f 0b c3 cc cc cc cc 80 3d 7c 27 94 01 00 75 a8 48 c7 c7 a0 bb 74 a1 c6 05 6c 27 94 01 01 e8 f3 65 95 00 <0f> 0b c3 cc cc cc cc 80 3d 56 27 94 01 00 75 85 48 c7 c7 f8 bb 74 [ 92.895118] RSP: 0018:ffffb13cc2d27e38 EFLAGS: 00010282 [ 92.900982] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 [ 92.908978] RDX: ffffa079bbcac660 RSI: ffffa079bbc9bf70 RDI: ffffa079bbc9bf70 [ 92.916975] RBP: ffffffffa17aff78 R08: 0000000000000000 R09: 0000000000000000 [ 92.924969] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 [ 92.932966] R13: ffffb13cc2d27f10 R14: ffffb13cc2d27f10 R15: ffffa079441e1000 [ 92.940964] FS: 00007f3b106de580(0000) GS:ffffa079bbc80000(0000) knlGS:0000000000000000 [ 92.950027] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 92.956468] CR2: 00007f3b104e7000 CR3: 0000000104050000 CR4: 00000000003506e0 [ 92.964462] Call Trace: _warn_saturate+0x51/0x110 # [ 90.831272] Code: 84 bc 00 00 00[ 92.967231] __refcount_add_not_zero.constprop.0+0x2a/0x35 [ 92.979606] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x76 c3 cc cc cc cc 85 f6 74 46 80 3d c1 27 94 01 00 75 ee 48 c7 c7 [ 92.985952] direct_entry.cold+0x2c/0x38 [ 92.996545] full_proxy_write+0x56/0x80 a0 bb 74 a1 c6 05 b1 27 94 01 01 e8 39 66 95 00 <0f> 0b c3 cc cc[ 93.000861] vfs_write+0xea/0x3a0 [ 93.010807] ksys_write+0x68/0xf0 [ 93.014539] do_syscall_64+0x33/0x40 [ 93.018560] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 93.024232] RIP: 0033:0x7f3b105f48f3 [ 93.028251] Code: 8b 15 a1 25 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 [ 93.049251] RSP: 002b:00007ffe7fe39368 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 93.057733] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f3b105f48f3 cc cc 80 3d 9d 27 94 01 00 75 cb 48 c7 c7 c8 bb 74 # [ 90.85[ 93.065733] RDX: 0000000000000020 RSI: 00007f3b104e7000 RDI: 0000000000000001 2288] RSP: 0018:ffffb13cc2b97e48 EFLAGS: 00010286 # [ 90.8581[ 93.079916] RBP: 00007f3b104e7000 R08: 00007f3b104e6010 R09: 0000000000000000 [ 93.094110] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 93.102099] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 59] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 00000000000[ 93.110109] irq event stamp: 0 [ 93.119761] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 93.126790] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 93.135956] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 93.145114] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 93.152136] ---[ end trace c11ce2c5dc035d5f ]--- [ 93.157317] lkdtm: Saturation detected: still saturated 00000 # [ 90.866154] RDX: ffffa079bbd2c660 RSI: ffffa079bbd1bf70 RDI: ffffa079bbd1bf70 # [ 90.874157] RBP: ffffffffa17b031d R08: 0000000000000000 R09: 0000000000000000 # [ 90.882153] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 90.890148] R13: ffffb13cc2b97f10 R14: ffffb13cc2b97f10 R15: ffffa07943b2a000 # [ 90.898145] FS: 00007f611a379580(0000) GS:ffffa079bbd00000(0000) knlGS:0000000000000000 # [ 90.907212] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 90.913654] CR2: 00007f611a182000 CR3: 0000000104b7e000 CR4: 00000000003506e0 # [ 90.921644] Call Trace: # [ 90.924406] lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x64 # [ 90.929883] direct_entry.cold+0x2c/0x38 # [ 90.934282] full_proxy_write+0x56/0x80 # [ 90.938602] vfs_write+0xea/0x3a0 # [ 90.942332] ksys_write+0x68/0xf0 # [ 90.946059] do_syscall_64+0x33/0x40 # [ 90.950079] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 90.955746] RIP: 0033:0x7f611a28f8f3 # [ 90.959760] Code: 8b 15 a1 25 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 # [ 90.980766] RSP: 002b:00007ffe943d1c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 90.989248] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f611a28f8f3 # [ 90.997238] RDX: 0000000000000017 RSI: 00007f611a182000 RDI: 0000000000000001 # [ 91.005240] RBP: 00007f611a182000 R08: 00007f611a181010 R09: 0000000000000000 # [ 91.013235] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 91.021228] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 91.029241] irq event stamp: 0 # [ 91.038859] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 91.052072] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 91.067431] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 91.076595] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 91.083619] ---[ end trace c11ce2c5dc035d5c ]--- # [ 91.088801] 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 # [ 91.419711] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED # [ 91.430845] lkdtm: attempting bad refcount_dec() from saturated # [ 91.437487] ------------[ cut here ]------------ # [ 91.442676] refcount_t: decrement hit 0; leaking memory. # [ 91.448680] WARNING: CPU: 2 PID: 2435 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 91.458126] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_dev x86_pkg_temp_thermal cros_usbpd_notify # [ 91.474129] CPU: 2 PID: 2435 Comm: cat Tainted: G D W 5.10.158-cip21 #1 # [ 91.482808] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 91.489449] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 91.495312] Code: 50 bc 74 a1 c6 05 1d 27 94 01 01 e8 a9 65 95 00 0f 0b c3 cc cc cc cc 48 c7 c7 20 bc 74 a1 c6 05 04 27 94 01 01 e8 8f 65 95 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 91.516315] RSP: 0018:ffffb13cc2c27e48 EFLAGS: 00010286 # [ 91.522180] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000 # [ 91.530176] RDX: ffffa079bbd2c660 RSI: ffffa079bbd1bf70 RDI: ffffa079bbd1bf70 # [ 91.538173] RBP: ffffffffa17b0334 R08: 0000000000000000 R[ 93.513228] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED [ 93.525138] lkdtm: attempting bad refcount_add_not_zero() from saturated [ 93.532675] ------------[ cut here ]------------ 09: 0000000000000000 # [ 91.546166] R10: 00000000ffffe000 R11[ 93.537871] refcount_t: saturated; leaking memory. [ 93.549489] WARNING: CPU: 2 PID: 2534 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 : 3fffffffffffffff R12: 0000000000000017 # [ 91.554147] R13: [ 93.558956] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_dev x86_pkg_temp_thermal cros_usbpd_notify [ 93.581117] CPU: 2 PID: 2534 Comm: cat Tainted: G D W 5.10.158-cip21 #1 [ 93.589803] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 93.596444] RIP: 0010:refcount_warn_saturate+0x97/0x110 [ 93.602308] Code: 01 01 e8 16 66 95 00 0f 0b c3 cc cc cc cc 80 3d 7c 27 94 01 00 75 a8 48 c7 c7 a0 bb 74 a1 c6 05 6c 27 94 01 01 e8 f3 65 95 00 <0f> 0b c3 cc cc cc cc 80 3d 56 27 94 01 00 75 85 48 c7 c7 f8 bb 74 [ 93.623315] RSP: 0018:ffffb13cc2db7e38 EFLAGS: 00010282 [ 93.629178] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 [ 93.637182] RDX: ffffa079bbd2c660 RSI: ffffa079bbd1bf70 RDI: ffffa079bbd1bf70 [ 93.645176] RBP: ffffffffa17aff98 R08: 0000000000000000 R09: 0000000000000000 [ 93.653173] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 [ 93.661166] R13: ffffb13cc2db7f10 R14: ffffb13cc2db7f10 R15: ffffa07944e5c000 [ 93.669167] FS: 00007f7317916580(0000) GS:ffffa079bbd00000(0000) knlGS:0000000000000000 [ 93.678234] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 93.684677] CR2: 00007f731771f000 CR3: 0000000104d68000 CR4: 00000000003506e0 [ 93.692677] Call Trace: [ 93.695447] __refcount_add_not_zero.constprop.0+0x2a/0x35 [ 93.701613] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x76 [ 93.707973] direct_entry.cold+0x2c/0x38 [ 93.712392] full_proxy_write+0x56/0x80 [ 93.716709] vfs_write+0xea/0x3a0 [ 93.720440] ksys_write+0x68/0xf0 [ 93.724173] do_syscall_64+0x33/0x40 [ 93.728198] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 93.733873] RIP: 0033:0x7f731782c8f3 [ 93.737894] Code: 8b 15 a1 25 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 ffffb13cc2c27f10 R14: ffffb13cc2c27f10 R15: ffffa07944177000 # [ 93.758900] RSP: 002b:00007ffcd2e44708 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 93.773573] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f731782c8f3 [ 93.781568] RDX: 0000000000000020 RSI: 00007f731771f000 RDI: 0000000000000001 [ 93.789568] RBP: 00007f731771f000 R08: 00007f731771e010 R09: 0000000000000000 [ 91.562141] FS: 00007fa6f8c0f580(0000) GS:ffffa079bbd00000(0[ 93.797562] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 000) knlGS:0000000000000000 # [ 91.571202] CS: 0010 DS: 0000[ 93.811765] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 93.825979] irq event stamp: 0 [ 93.829419] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 93.836456] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 93.845619] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 93.854781] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 93.861810] ---[ end trace c11ce2c5dc035d60 ]--- [ 93.866987] lkdtm: Saturation detected: still saturated ES: 0000 CR0: 0000000080050033 # [ 91.577640] CR2: 00007fa6f8a18000 CR3: 0000000103a84000 CR4: 00000000003506e0 # [ 91.585634] Call Trace: # [ 91.588399] lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5f # [ 91.593877] direct_entry.cold+0x2c/0x38 # [ 91.598289] full_proxy_write+0x56/0x80 # [ 91.602607] vfs_write+0xea/0x3a0 # [ 91.606336] ksys_write+0x68/0xf0 # [ 91.610066] do_syscall_64+0x33/0x40 # [ 91.614078] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 91.619738] RIP: 0033:0x7fa6f8b258f3 # [ 91.623753] Code: 8b 15 a1 25 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 # [ 91.644760] RSP: 002b:00007ffeebcfd5f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 91.653242] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007fa6f8b258f3 # [ 91.661234] RDX: 0000000000000017 RSI: 00007fa6f8a18000 RDI: 0000000000000001 # [ 91.669233] RBP: 00007fa6f8a18000 R08: 00007fa6f8a17010 R09: 0000000000000000 # [ 91.677241] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 91.685233] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 91.693236] irq event stamp: 0 # [ 91.696661] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 91.709897] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 91.725255] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 91.740623] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 91.747646] ---[ end trace c11ce2c5dc035d5d ]--- # [ 91.752823] 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 # [ 92.101040] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED # [ 92.113817] lkdtm: attempting bad refcount_dec() from saturated # [ 92.120469] ------------[ cut here ]------------ # [ 92.125648] refcount_t: saturated; leaking memory. # [ 92.137278] WARNING: CPU: 0 PID: 2470 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 92.146728] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_dev x86_pkg_temp_thermal cros_usbpd_notify # [ 92.162725] CPU: 0 PID: 2470 Comm: cat Tainted: G D W 5.10.158-cip21 #1 # [ 92.171401] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 92.178076] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 92.183963] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d c1 27 94 01 00 75 ee 48 c7 c7 a0 bb 74 a1 c6 05 b1 27 94 01 01 e8 39 66 95 00 <0f> 0b c3 cc cc cc cc 80 3d 9d 27 94 01 00 75 cb 48 c7 c7 c8 bb 74 # [ 92.204970] RSP: 0018:ffffb13cc2ca7e48 EFLAGS: 00010286 # [ 92.210833] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000 # [ 92.218832] RDX: ffffa079bbc2c660 RSI: ffffa079bbc1bf70 RDI: ffffa079bbc1bf70 # [ 92.226827] RBP: ffffffffa17b034b R08: 0000000000000000 R09: 0000000000000000 # [ 92.234826] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 92.242822] R13: ffffb13cc2ca7f10 R14: ffffb13cc2ca7f10 R15: ffffa07945cca000 # [ 92.250815] FS: 00007f7349346580(0000) GS:ffffa079bbc00000(0000) knlGS:0000000000000000 # [ 92.259869] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 92.266311] CR2: 00007f734914f000 CR3: 0000000102afc000 C[ 94.218384] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED [ 94.228733] lkdtm: attempting bad refcount_dec_and_test() from saturated [ 94.236264] ------------[ cut here ]------------ [ 94.241448] refcount_t: underflow; use-after-free. [ 94.246870] WARNING: CPU: 0 PID: 2569 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 [ 94.256323] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_dev x86_pkg_temp_thermal cros_usbpd_notify [ 94.272312] CPU: 0 PID: 2569 Comm: cat Tainted: G D W 5.10.158-cip21 #1 [ 94.280996] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 94.287636] RIP: 0010:refcount_warn_saturate+0xba/0x110 [ 94.293499] Code: 01 01 e8 f3 65 95 00 0f 0b c3 cc cc cc cc 80 3d 56 27 94 01 00 75 85 48 c7 c7 f8 bb 74 a1 c6 05 46 27 94 01 01 e8 d0 65 95 00 <0f> 0b c3 cc cc cc cc 80 3d 31 27 94 01 00 0f 85 5e ff ff ff 48 c7 [ 94.314502] RSP: 0018:ffffb13cc2e37e40 EFLAGS: 00010286 [ 94.320365] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000 [ 94.328360] RDX: ffffa079bbc2c660 RSI: ffffa079bbc1bf70 RDI: ffffa079bbc1bf70 [ 94.336352] RBP: ffffffffa17affb8 R08: 0000000000000000 R09: 0000000000000000 [ 94.344355] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 [ 94.352342] R13: ffffb13cc2e37f10 R14: ffffb13cc2e37f10 R15: ffffa079441df000 [ 94.360343] FS: 00007f157f778580(0000) GS:ffffa079bbc00000(0000) knlGS:0000000000000000 [ 94.369411] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 94.375856] CR2: 00007f157f581000 CR3: 000000010419a000 CR4: 00000000003506f0 [ 94.383854] Call Trace: [ 94.386618] __refcount_sub_and_test.constprop.0+0x3c/0x50 [ 94.392778] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x76 [ 94.399131] direct_entry.cold+0x2c/0x38 [ 94.403535] full_proxy_write+0x56/0x80 [ 94.407854] vfs_write+0xea/0x3a0 [ 94.411584] ksys_write+0x68/0xf0 [ 94.415315] do_syscall_64+0x33/0x40 [ 94.419338] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 94.425018] RIP: 0033:0x7f157f68e8f3 [ 94.429040] Code: 8b 15 a1 25 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 [ 94.450048] RSP: 002b:00007ffd81460288 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 94.458537] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f157f68e8f3 [ 94.466534] RDX: 0000000000000020 RSI: 00007f157f581000 RDI: 0000000000000001 [ 94.474540] RBP: 00007f157f581000 R08: 00007f157f580010 R09: 0000000000000000 [ 94.482540] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 94.490538] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 R4: 00000000003506f0 # [ 92.274305] Call Trace: # [ 92.277[ 94.498545] irq event stamp: 0 072] lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x64 # [ 92.282555] [ 94.508174] hardirqs last enabled at (0): [<0000000000000000>] 0x0 direct_entry.cold+0x2c/0x38 # [ 92.286970] full_proxy_write+[ 94.521404] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 94.536788] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 94.545964] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 94.552991] ---[ end trace c11ce2c5dc035d61 ]--- [ 94.558163] lkdtm: Saturation detected: still saturated 0x56/0x80 # [ 92.291285] vfs_write+0xea/0x3a0 # [ 92.295014] ksys_write+0x68/0xf0 # [ 92.298747] do_syscall_64+0x33/0x40 # [ 92.302770] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 92.308443] RIP: 0033:0x7f734925c8f3 # [ 92.312460] Code: 8b 15 a1 25 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 # [ 92.333472] RSP: 002b:00007fffab7cddb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 92.341960] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f734925c8f3 # [ 92.349958] RDX: 0000000000000017 RSI: 00007f734914f000 RDI: 0000000000000001 # [ 92.357956] RBP: 00007f734914f000 R08: 00007f734914e010 R09: 0000000000000000 # [ 92.365954] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 92.373949] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 92.381960] irq event stamp: 0 # [ 92.385393] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 92.392407] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 92.407768] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 92.423137] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 92.430150] ---[ end trace c11ce2c5dc035d5e ]--- # [ 92.435331] 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 # [ 92.769974] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED # [ 92.778302] lkdtm: attempting bad refcount_inc_not_zero() from saturated # [ 92.785842] ------------[ cut here ]------------ # [ 92.791030] refcount_t: saturated; leaking memory. # [ 92.802668] WARNING: CPU: 1 PID: 2502 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 92.818299] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_dev x86_pkg_temp_thermal cros_usbpd_notify # [ 92.840544] CPU: 1 PID: 2502 Comm: cat Tainted: G D W 5.10.158-cip21 #1 # [ 92.855416] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 92.868251] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 92.874115] Code: 01 01 e8 16 66 95 00 0f 0b c3 cc cc cc cc 80 3d 7c 27 94 01 00 75 a8 48 c7 c7 a0 bb 74 a1 c6 05 6c 27 94 01 01 e8 f3 65 95 00 <0f> 0b c3 cc cc cc cc 80 3d 56 27 94 01 00 75 85 48 c7 c7 f8 bb 74 # [ 92.895118] RSP: 0018:ffffb13cc2d27e38 EFLAGS: 00010282 # [ 92.900982] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 # [ 92.908978] RDX: ffffa079bbcac660 RSI: ffffa079bbc9bf70 RDI: ffffa079bbc9bf70 # [ 92.916975] RBP: ffffffffa17aff78 R08: 0000000000000000 R09: 0000000000000000 # [ 92.924969] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 92.932966] R13: ffffb13cc2d27f10 R14: ffffb13cc2d27f10 R15: ffffa079441e1000 # [ 92.940964] FS: 00007f3b106de580(0000) GS:ffffa079bbc80000(0000) knlGS:0000000000000000 # [ 92.950027] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 92.956468] CR2: 00007f3b104e7000 CR3: 0000000104050000 CR4: 00000000003506e0 # [ 92.964462] Call Trace: # [ 92.967231] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 92.979606] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x76 # [ 92.985952] direct_entry.cold+0x2c/0x38 # [ 92.996545] full_proxy_write+0x56/0x80 # [ 93.000861] vfs_write+0xea/0x3a0 # [ 9[ 94.916039] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED 3.010807] ksys_write+0x68/0xf0 # [ 93.014539] do_syscall_64[ 94.926050] lkdtm: attempting bad refcount_sub_and_test() from saturated +0x33/0x40 # [ 93.018560] entry_SYSCALL_64_after_hwframe+0x6[ 94.939771] ------------[ cut here ]------------ 1/0xc6 # [ 93.024232] RIP: 0033:0x7f3b105f48f3 # [ 93.0282[ 94.951175] refcount_t: underflow; use-after-free. 51] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff [ 94.962889] WARNING: CPU: 3 PID: 2604 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 0[ 94.978383] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_dev x86_pkg_temp_thermal cros_usbpd_notify 0 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 [ 95.000576] CPU: 3 PID: 2604 Comm: cat Tainted: G D W 5.10.158-cip21 #1 89 54 24 18 # [ 93.049251] RSP: 002b:00007ffe7fe39368 EFLAGS:[ 95.015434] Hardware name: Google Coral/Coral, BIOS 09/29/2020 00000246 ORIG_RAX: 0000000000000001 # [ 93.057733] RAX: ffff[ 95.028303] RIP: 0010:refcount_warn_saturate+0xba/0x110 ffffffffffda RBX: 0000000000000020 RCX: 00007f3b105f48f3 # [ [ 95.040361] Code: 01 01 e8 f3 65 95 00 0f 0b c3 cc cc cc cc 80 3d 56 27 94 01 00 75 85 48 c7 c7 f8 bb 74 a1 c6 05 46 27 94 01 01 e8 d0 65 95 00 <0f> 0b c3 cc cc cc cc 80 3d 31 27 94 01 00 0f 85 5e ff ff ff 48 c7 93.065733] RDX: 0000000000000020 RSI: 00007f3b104e7000 RDI: 0000[ 95.067610] RSP: 0018:ffffb13cc2eb7e40 EFLAGS: 00010286 000000000001 # [ 93.079916] RBP: 00007f3b104e7000 R08: 00007f[ 95.079653] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000 3b104e6010 R09: 0000000000000000 # [ 93.094110] R10: ffffffff[ 95.093878] RDX: ffffa079bbdac660 RSI: ffffa079bbd9bf70 RDI: ffffa079bbd9bf70 fffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 93.1[ 95.108061] RBP: ffffffffa17affd8 R08: 0000000000000000 R09: 0000000000000000 02099] R13: 0000000000000001 R14: 0000000000020000 R15: 00000000[ 95.122282] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 00020000 # [ 93.110109] irq event stamp: 0 # [ 93.119761] [ 95.136462] R13: ffffb13cc2eb7f10 R14: ffffb13cc2eb7f10 R15: ffffa07945cd1000 hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 9[ 95.150662] FS: 00007fdfd52cf580(0000) GS:ffffa079bbd80000(0000) knlGS:0000000000000000 3.126790] hardirqs last disabled at (0): [] co[ 95.165949] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 py_process+0x640/0x1c80 # [ 93.135956] softirqs last enabled[ 95.178571] CR2: 00007fdfd50d8000 CR3: 000000010594a000 CR4: 00000000003506e0 at (0): [] copy_process+0x640/0x1c80 # [ 9[ 95.192836] Call Trace: 3.145114] softirqs last disabled at (0): [<0000000000000000>] 0x[ 95.202056] __refcount_sub_and_test.constprop.0+0x3c/0x50 0 # [ 93.152136] ---[ end trace c11ce2c5dc035d5f ]--- # [ [ 95.214166] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x76 93.157317] lkdtm: Saturation detected: still saturated # REFCOU[ 95.226885] direct_entry.cold+0x2c/0x38 NT_INC_NOT_ZERO_SATURATED: saw 'call trace:': ok ok 55 selftest[ 95.237327] full_proxy_write+0x56/0x80 s: lkdtm: REFCOUNT_INC_NOT_ZERO_SATURATED.sh # selftests: lkdtm[ 95.247906] vfs_write+0xea/0x3a0 : REFCOUNT_ADD_NOT_ZERO_SATURATED.sh # [ 93.513228] lkdtm: Pe[ 95.257725] ksys_write+0x68/0xf0 rforming direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED # [ 93.[ 95.267740] do_syscall_64+0x33/0x40 525138] lkdtm: attempting bad refcount_add_not_zero() from satur[ 95.277905] entry_SYSCALL_64_after_hwframe+0x61/0xc6 ated # [ 93.532675] ------------[ cut here ]------------ # [[ 95.289857] RIP: 0033:0x7fdfd51e58f3 93.537871] refcount_t: saturated; leaking memory. # [ 93.5[ 95.299962] Code: 8b 15 a1 25 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 49489] WARNING: CPU: 2 PID: 2534 at lib/refcount.c:19 refcount_w[ 95.327268] RSP: 002b:00007ffd5dd8ee78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 arn_saturate+0x97/0x110 # [ 93.558956] Modules linked in: fus[ 95.341957] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fdfd51e58f3 e ip_tables cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_[ 95.356133] RDX: 0000000000000020 RSI: 00007fdfd50d8000 RDI: 0000000000000001 ec_chardev cros_ec_dev x86_pkg_temp_thermal cros_usbpd_notify #[ 95.370362] RBP: 00007fdfd50d8000 R08: 00007fdfd50d7010 R09: 0000000000000000 [ 93.581117] CPU: 2 PID: 2534 Comm: cat Tainted: G D W [ 95.384521] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 5.10.158-cip21 #1 # [ 93.589803] Hardware name: Google[ 95.398745] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 Coral/Coral, BIOS 09/29/2020 # [ 93.596444] RIP: 0010:refco[ 95.412970] irq event stamp: 0 unt_warn_saturate+0x97/0x110 # [ 93.602308] Code: 01 01 e8 16[ 95.422603] hardirqs last enabled at (0): [<0000000000000000>] 0x0 66 95 00 0f 0b c3 cc cc cc cc 80 3d 7c 27 94 01 00 75 a8 48 c7 [ 95.435864] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 c7 a0 bb 74 a1 c6 05 6c 27 94 01 01 e8 f3 65 95 00 <0f> 0b c3 cc[ 95.451189] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 cc cc cc 80 3d 56 27 94 01 00 75 85 48 c7 c7 f8 bb 74 # [ 93[ 95.466559] softirqs last disabled at (0): [<0000000000000000>] 0x0 .623315] RSP: 0018:ffffb13cc2db7e38 EFLAGS: 00010282 # [ 93.6[ 95.479774] ---[ end trace c11ce2c5dc035d62 ]--- 29178] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 00000000[ 95.491159] lkdtm: Saturation detected: still saturated 00000000 # [ 93.637182] RDX: ffffa079bbd2c660 RSI: ffffa079bbd1bf70 RDI: ffffa079bbd1bf70 # [ 93.645176] RBP: ffffffffa17aff98 R08: 0000000000000000 R09: 0000000000000000 # [ 93.653173] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 93.661166] R13: ffffb13cc2db7f10 R14: ffffb13cc2db7f10 R15: ffffa07944e5c000 # [ 93.669167] FS: 00007f7317916580(0000) GS:ffffa079bbd00000(0000) knlGS:0000000000000000 # [ 93.678234] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 93.684677] CR2: 00007f731771f000 CR3: 0000000104d68000 CR4: 00000000003506e0 # [ 93.692677] Call Trace: # [ 93.695447] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 93.701613] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x76 # [ 93.707973] direct_entry.cold+0x2c/0x38 # [ 93.712392] full_proxy_write+0x56/0x80 # [ 93.716709] vfs_write+0xea/0x3a0 # [ 93.720440] ksys_write+0x68/0xf0 # [ 93.724173] do_syscall_64+0x33/0x40 # [ 93.728198] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 93.733873] RIP: 0033:0x7f731782c8f3 # [ 93.737894] Code: 8b 15 a1 25 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 # [ 93.758900] RSP: 002b:00007ffcd2e44708 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 93.773573] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f731782c8f3 # [ 93.781568] RDX: 0000000000000020 RSI: 00007f731771f000 RDI: 0000000000000001 # [ 93.789568] RBP: 00007f731771f000 R08: 00007f731771e010 R09: 0000000000000000 # [ 93.797562] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 93.811765] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 93.825979] irq event stamp: 0 # [ 93.829419] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 93.836456] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 93.845619] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 93.854781] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 93.861810] ---[ end trace c11ce2c5dc035d60 ]--- # [ 93.866987] 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 # [ 94.218384] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED # [ 94.228733] lkdtm: attempting bad refcount_dec_and_test() from saturated # [ 94.236264] ------------[ cut here ]------------ # [ 94.241448] refcount_t: underflow; use-after-free. # [ 94.246870] WARNING: CPU: 0 PID: 2569 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 94.256323] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_dev x86_pkg_temp_thermal cros_usbpd_notify # [ 94.272312] CPU: 0 PID: 2569 Comm: cat Tainted: G D W 5.10.158-cip21 #1 # [ 94.280996] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 94.287636] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 94.293499] Code: 01 01 e8 f3 65 95 00 0f 0b c3 cc cc cc cc 80 3d 56 27 94 01 00 75 85 48 c7 c7 f8 bb 74 a1 c6 05 46 27 94 01 01 e8 d0 65 95 00 <0f> 0b c3 cc cc cc cc 80 3d 31 27 94 01 00 0f 85 5e ff ff ff 48 c7 # [ 94.314502] RSP: 0018:ffffb13cc2e37e40 EFLAGS: 00010286 # [ 94.320365] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000 # [ 94.328360] RDX: ffffa079bbc2c660 RSI: ffffa079bbc1bf70 RDI: ffffa079bbc1bf70 # [ 94.336352] RBP: ffffffffa17affb8 R08: 0000000000000000 R09: 0000000000000000 # [ 94.344355] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 94.352342] R13: ffffb13cc2e37f10 R14: ffffb13cc2e37f10 R15: ffffa079441df000 # [ 94.360343] FS: 00007f157f778580(0000) GS:ffffa079bbc00000(0000) knlGS:0000000000000000 # [ 94.369411] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 94.375856] CR2: 00007f157f581000 CR3: 000000010419a000 CR4: 00000000003506f0 # [ 94.383854] Call Trace: # [ 94.386618] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 94.392778] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x76 # [ 94.399131] direct_entry.cold+0x2c/0x38 # [ 94.403535] full_proxy_write+0x56/0x80 # [ 94.407854] vfs_write+0xea/0x3a0 # [ 94.411584] ksys_write+0x68/0xf0 # [ 94.415315] do_syscall_64+0x33/0x40 # [ 94.419338] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 94.425018] RIP: 0033:0x7f157f68e8f3 # [ 94.429040] Code: 8b 15 a1 25 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 # [ 94.450048] RSP: 002b:00007ffd81460288 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 94.458537] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f157f68e8f3 # [ 94.466534] RDX: 0000000000000020 RSI: 00007f157f581000 RDI: 0000000000000001 # [ 94.474540] RBP: 00007f157f581000 R08: 00007f157f580010 R09: 0000000000000000 # [ 94.482540] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 94.490538] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 94.498545] irq event stamp: 0 # [ 94.508174] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 94.521404] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 94.536788] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 94.545964] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 94.552991] ---[ end trace c11ce2c5dc035d61 ]--- # [ 94.558163] 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 # [ 94.916039] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED # [ 94.926050] lkdtm: attempting bad refcount_sub_and_test() from saturated # [ 94.939771] ------------[ cut here ]------------ # [ 94.951175] refcount_t: underflow; use-after-free. # [ 94.962889] WARNING: CPU: 3 PID: 2604 at lib/r[ 96.120140] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO efcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 94.978383][ 96.131494] lkdtm: attempting good copy_to_user of correct size Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysf[ 96.144376] lkdtm: attempting bad copy_to_user of too large size s cros_ec_debugfs cros_ec_chardev cros_ec_dev x86_pkg_temp_thermal cros_usbpd_notify # [ 95.000576] CPU: 3 PID: 2604 Comm: cat Tainted: G D W 5.10.158-cip21 #1 # [ 95.015434] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 95.028303] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 95.040361] Code: 01 01 e8 f3 65 95 00 0f 0b c3 cc cc cc cc 80 3d 56 27 94 01 00 75 85 48 c7 c7 f8 bb 74 a1 c6 05 46 27 94 01 01 e8 d0 65 95 00 <0f> 0b c3 cc cc cc cc 80 3d 31 27 94 01 00 0f 85 5e ff ff ff 48 c7 # [ 95.067610] RSP: 0018:ffffb13cc2eb7e40 EFLAGS: 00010286 # [ 95.079653] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000 # [ 95.093878] RDX: ffffa079bbdac660 RSI: ffffa079bbd9bf70 RDI: ffffa079bbd9bf70 # [ 95.108061] RBP: ffffffffa17affd8 R08: 0000000000000000 R09: 0000000000000000 # [ 95.122282] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 95.136462] R13: ffffb13cc2eb7f10 R14: ffffb13cc2eb7f10 R15: ffffa07945cd1000 # [ 95.150662] FS: 00007fdfd52cf580(0000) GS:ffffa079bbd80000(0000) knlGS:0000000000000000 # [ 95.165949] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 95.178571] CR2: 00007fdfd50d8000 CR3: 000000010594a000 CR4: 00000000003506e0 # [ 95.192836] Call Trace: # [ 95.202056] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 95.214166] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x76 # [ 95.226885] direct_entry.cold+0x2c/0x38 # [ 95.237327] full_proxy_write+0x56/0x80 # [ 95.247906] vfs_write+0xea/0x3a0 # [ 95.257725] ksys_write+0x68/0xf0 # [ 95.267740] do_syscall_64+0x33/0x40 # [ 95.277905] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 95.289857] RIP: 0033:0x7fdfd51e58f3 # [ 95.299962] Code: 8b 15 a1 25 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 # [ 95.327268] RSP: 002b:00007ffd5dd8ee78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 95.341957] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fdfd51e58f3 # [ 95.356133] RDX: 0000000000000020 RSI: 00007fdfd50d8000 RDI: 0000000000000001 # [ 95.370362] RBP: 00007fdfd50d8000 R08: 00007fdfd50d7010 R09: 0000000000000000 # [ 95.384521] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 95.398745] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 95.412970] irq event stamp: 0 # [ 95.422603] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 95.435864] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 95.451189] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 95.466559] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 95.479774] ---[ end trace c11ce2c5dc035d62 ]--- # [ 95.491159] 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: l[ 96.475692] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM kdtm: ATOMIC_TIMING.sh # SKIP # selftests: lkdtm: USERCOPY_HEAP[ 96.487458] lkdtm: attempting good copy_from_user of correct size _SIZE_TO.sh # [ 96.120140] lkdtm: Performing direct entry USE[ 96.500476] lkdtm: attempting bad copy_from_user of too large size RCOPY_HEAP_SIZE_TO # [ 96.131494] lkdtm: attempting good copy_to_user of correct size # [ 96.144376] 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 # [ 96.475692] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM # [ 96.487458] lkdtm: attempting good copy_from_user of correct size # [ 96.500476] 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 [ 96.846217] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO [ 96.853472] lkdtm: attempting good copy_to_user inside whitelist [ 96.860256] lkdtm: attempting bad copy_to_user outside whitelist # [ 96.846217] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO # [ 96.853472] lkdtm: attempting good copy_to_user inside whitelist # [ 96.860256] 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 [ 97.201050] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM [ 97.208502] lkdtm: attempting good copy_from_user inside whitelist [ 97.215478] lkdtm: attempting bad copy_from_user outside whitelist # [ 97.201050] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM # [ 97.208502] lkdtm: attempting good copy_from_user inside whitelist # [ 97.215478] 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 [ 97.555900] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO [ 97.562861] lkdtm: good_stack: ffffb13cc31f7e20-ffffb13cc31f7e40 [ 97.569621] lkdtm: bad_stack : ffffb13cc31f7da8-ffffb13cc31f7dc8 [ 97.576391] lkdtm: attempting good copy_to_user of local stack [ 97.582963] lkdtm: attempting bad copy_to_user of distant stack # [ 97.555900] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO # [ 97.562861] lkdtm: good_stack: ffffb13cc31f7e20-ffffb13cc31f7e40 # [ 97.569621] lkdtm: bad_stack : ffffb13cc31f7da8-ffffb13cc31f7dc8 # [ 97.576391] lkdtm: attempting good copy_to_user of local stack # [ 97.582963] 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 [ 97.922527] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM [ 97.929684] lkdtm: good_stack: ffffb13cc325fe20-ffffb13cc325fe40 [ 97.936434] lkdtm: bad_stack : ffffb13cc325fda8-ffffb13cc325fdc8 [ 97.943249] lkdtm: attempting good copy_from_user of local stack [ 97.950049] lkdtm: attempting bad copy_from_user of distant stack # [ 97.922527] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM # [ 97.929684] lkdtm: good_stack: ffffb13cc325fe20-ffffb13cc325fe40 # [ 97.936434] lkdtm: bad_stack : ffffb13cc325fda8-ffffb13cc325fdc8 # [ 97.943249] lkdtm: attempting good copy_from_user of local stack # [ 97.950049] 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 [ 98.288121] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND [ 98.294886] lkdtm: good_stack: ffffb13cc330fe20-ffffb13cc330fe40 [ 98.301637] lkdtm: bad_stack : ffffb13cc330fff8-ffffb13cc3310018 [ 98.308775] lkdtm: attempting good copy_to_user of local stack [ 98.315776] lkdtm: attempting bad copy_to_user of distant stack [ 98.322781] lkdtm: copy_to_user failed, but lacked Oops # [ 98.288121] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND # [ 98.294886] lkdtm: good_stack: ffffb13cc330fe20-ffffb13cc330fe40 # [ 98.301637] lkdtm: bad_stack : ffffb13cc330fff8-ffffb13cc3310018 # [ 98.308775] lkdtm: attempting good copy_to_user of local stack # [ 98.315776] lkdtm: attempting bad copy_to_user of distant stack # [ 98.322781] 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 [ 98.659875] lkdtm: Performing direct entry USERCOPY_KERNEL [ 98.666043] lkdtm: attempting good copy_to_user from kernel rodata: ffffffffa13ce150 [ 98.674769] lkdtm: attempting bad copy_to_user from kernel text: ffffffffa00e3580 [ 98.683170] lkdtm: FAIL: survived bad copy_to_user() # [ 98.659875] lkdtm: Performing direct entry USERCOPY_KERNEL # [ 98.666043] lkdtm: attempting good copy_to_user from kernel rodata: ffffffffa13ce150 # [ 98.674769] lkdtm: attempting bad copy_to_user from kernel text: ffffffffa00e3580 # [ 98.683170] 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 [ 99.014593] lkdtm: Performing direct entry STACKLEAK_ERASING [ 99.020965] lkdtm: checking unused part of the thread stack (15928 bytes)... [ 99.028903] lkdtm: FAIL: the erased part is not found (checked 15928 bytes) [ 99.036769] lkdtm: FAIL: the thread stack is NOT properly erased [ 99.043552] CPU: 3 PID: 2969 Comm: cat Tainted: G D W 5.10.158-cip21 #1 [ 99.052212] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 99.058831] Call Trace: [ 99.061587] dump_stack+0x77/0x9b [ 99.065299] lkdtm_STACKLEAK_ERASING+0x116/0x144 [ 99.070467] direct_entry.cold+0x2c/0x38 [ 99.074859] full_proxy_write+0x56/0x80 [ 99.079155] vfs_write+0xea/0x3a0 [ 99.082863] ksys_write+0x68/0xf0 [ 99.086574] do_syscall_64+0x33/0x40 [ 99.090574] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 99.096219] RIP: 0033:0x7f312790e8f3 [ 99.100219] Code: 8b 15 a1 25 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 [ 99.121220] RSP: 002b:00007ffd44a86e78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 99.129692] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f312790e8f3 [ 99.137670] RDX: 0000000000000012 RSI: 00007f3127801000 RDI: 0000000000000001 [ 99.145646] RBP: 00007f3127801000 R08: 00007f3127800010 R09: 0000000000000000 [ 99.153624] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 99.161602] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 99.014593] lkdtm: Performing direct entry STACKLEAK_ERASING # [ 99.020965] lkdtm: checking unused part of the thread stack (15928 bytes)... # [ 99.028903] lkdtm: FAIL: the erased part is not found (checked 15928 bytes) # [ 99.036769] lkdtm: FAIL: the thread stack is NOT properly erased # [ 99.043552] CPU: 3 PID: 2969 Comm: cat Tainted: G D W 5.10.158-cip21 #1 # [ 99.052212] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 99.058831] Call Trace: # [ 99.061587] dump_stack+0x77/0x9b # [ 99.065299] lkdtm_STACKLEAK_ERASING+0x116/0x144 # [ 99.070467] direct_entry.cold+0x2c/0x38 # [ 99.074859] full_proxy_write+0x56/0x80 # [ 99.079155] vfs_write+0xea/0x3a0 # [ 99.082863] ksys_write+0x68/0xf0 # [ 99.086574] do_syscall_64+0x33/0x40 # [ 99.090574] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 99.096219] RIP: 0033:0x7f312790e8f3 # [ 99.100219] Code: 8b 15 a1 25 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 # [ 99.121220] RSP: 002b:00007ffd44a86e78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 99.129692] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f312790e8f3 # [ 99.137670] RDX: 0000000000000012 RSI: 00007f3127801000 RDI: 0000000000000001 # [ 99.145646] RBP: 00007f3127801000 R08: 00007f3127800010 R09: 0000000000000000 # [ 99.153624] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 99.161602] 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 [ 99.508332] lkdtm: Performing direct entry CFI_FORWARD_PROTO [ 99.514701] lkdtm: Calling matched prototype ... [ 99.519908] lkdtm: Calling mismatched prototype ... [ 99.525405] lkdtm: Fail: survived mismatched prototype function call! # [ 99.508332] lkdtm: Performing direct entry CFI_FORWARD_PROTO # [ 99.514701] lkdtm: Calling matched prototype ... # [ 99.519908] lkdtm: Calling mismatched prototype ... # [ 99.525405] 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 + ../../utils/send-to-lava.sh ./output/result.txt + set +x / #