[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_B found @ 8b0000 (65536 bytes) FMAP: area VBLOCK_B found @ 8b0000 (65536 bytes) VB2:vb2_verify_keyblock() Checking key block signature... FMAP: area VBLOCK_B found @ 8b0000 (65536 bytes) FMAP: area VBLOCK_B found @ 8b0000 (65536 bytes) VB2:vb2_verify_fw_preamble() Verifying preamble. Phase 4 FMAP: area FW_MAIN_B found @ 8c0000 (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 50300 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) WARNING: RW_VPD is uninitialized or empty. 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 269384 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 4847 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 52814 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 14059 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 9979 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 14058 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 18132 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 18139 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 14059 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 391403 usecs root_dev_scan_bus for Root Device done scan_bus: scanning of bus Root Device took 411377 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 2022-07-26 02:46:38 UTC POST: Unexpected post code in previous boot: 0x98 ELOG: Event(A3) added with size 11 at 2022-07-26 02:46:38 UTC ELOG: Event(A6) added with size 13 at 2022-07-26 02:46:38 UTC ELOG: Event(AA) added with size 11 at 2022-07-26 02:46:38 UTC FMAP: area UNIFIED_MRC_CACHE found @ 400000 (135168 bytes) SPI flash protection: WPSW=0 SRP0=1 MRC: NOT enabling PRR for 'UNIFIED_MRC_CACHE'. BS: BS_DEV_ENUMERATE times (us): entry 0 run 700980 exit 102527 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 2950893 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 160 run 112590 exit 0 FMAP: area FPF_STATUS found @ 42f000 (4096 bytes) Initializing devices... Root Device init ... Root Device init finished in 2134 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. done. AP: slot 2 apic_id 4. AP: slot 3 apic_id 2. 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 #3 Initializing CPU #2 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 #3 initialized CPU #2 initialized Initializing CPU #1 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 468425 usecs PCI: 00:00.0 init ... PCI: 00:00.0 init finished in 2235 usecs PCI: 00:00.1 init ... PCI: 00:00.1 init finished in 2232 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 2234 usecs PCI: 00:03.0 init ... PCI: 00:03.0 init finished in 2231 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 27372 usecs PCI: 00:0d.2 init ... PCI: 00:0d.2 init finished in 2224 usecs PCI: 00:0f.0 init ... PCI: 00:0f.0 init finished in 2233 usecs PCI: 00:0f.1 init ... PCI: 00:0f.1 init finished in 2230 usecs PCI: 00:0f.2 init ... PCI: 00:0f.2 init finished in 2242 usecs PCI: 00:15.0 init ... PCI: 00:15.0 init finished in 2235 usecs PCI: 00:16.0 init ... LPSS I2C bus 0 at 0xc2b21000 (400 KHz) PCI: 00:16.0 init finished in 6120 usecs PCI: 00:16.1 init ... LPSS I2C bus 1 at 0xc2b23000 (400 KHz) PCI: 00:16.1 init finished in 6116 usecs PCI: 00:16.2 init ... LPSS I2C bus 2 at 0xc2b25000 (400 KHz) PCI: 00:16.2 init finished in 6114 usecs PCI: 00:16.3 init ... LPSS I2C bus 3 at 0xc2b27000 (400 KHz) PCI: 00:16.3 init finished in 6115 usecs PCI: 00:17.0 init ... LPSS I2C bus 4 at 0xc2b29000 (400 KHz) PCI: 00:17.0 init finished in 6113 usecs PCI: 00:17.1 init ... LPSS I2C bus 5 at 0xc2b2b000 (400 KHz) PCI: 00:17.1 init finished in 6111 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 2230 usecs PCI: 00:1f.0 init ... RTC Init PCI: 00:1f.0 init finished in 3550 usecs PCI: 00:1f.1 init ... PCI: 00:1f.1 init finished in 2232 usecs PCI: 01:00.0 init ... PCI: 01:00.0 init finished in 2352 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 42157 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: 04: enabled 1 APIC: 02: enabled 1 BS: BS_DEV_INIT times (us): entry 4981 run 881497 exit 884 ELOG: Event(A1) added with size 10 at 2022-07-26 02:46:42 UTC elog_add_boot_reason: Logged recovery mode boot (Dev-switch on), reason: 0x1b ELOG: Event(A0) added with size 9 at 2022-07-26 02:46:42 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 24847 run 3943 exit 5265 BS: BS_OS_RESUME_CHECK times (us): entry 0 run 63 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: 04 (unknown) APIC: 02 (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 | high 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, 0x5cc bytes, checksum ef0d coreboot table: 1508 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 GNVS PTR 8. 7affe980 00000004 BS: BS_WRITE_TABLES times (us): entry 0 run 812272 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 174 run 107961 exit 30920 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 192.168.201.17 The DHCP server ip is 192.168.201.1 coral: tftpboot 192.168.201.1 6889277/tftp-deploy-ogof2y5p/kernel/bzImage 6889277/tftp-deploy-ogof2y5p/kernel/cmdline 6889277/tftp-deploy-ogof2y5p/ramdisk/ramdisk.cpio.gz tftpboot 192.168.201.1 6889277/tftp-deploy-ogof2y5p/kernel/bzImaoy-ogof2y5p/kernel/cmdline 6889277/tftp-deploy-ogof2y5p/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 192.168.201.17 The DHCP server ip is 192.168.201.1 TFTP server IP predefined by user: 192.168.201.1 Bootfile predefined by user: 6889277/tftp-deploy-ogof2y5p/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 ############################################################### done. The bootfile was 13094368 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: 6889277/tftp-deploy-ogof2y5p/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/6889277/extract-nfsrootfs-23xguygk,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: 20096558 Starting kernel ... [ 0.000000] Linux version 5.10.129-cip12 (KernelCI@build-j399657-x86-64-gcc-10-x86-64-defconfig-x86-chromeboov2zpz) (gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2) #1 SMP Tue Jul 26 02:09:28 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/6889277/extract-nfsrootfs-23xguygk,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 [ 0.000055] last_pfn = 0x180000 max_arch_pfn = 0x400000000 [ 0.000298] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT [ 0.001127] last_pfn = 0x7a9fd max_arch_pfn = 0x400000000 [ 0.004915] check: Scanning 1 areas for low memory corruption [ 0.004928] Using GB pages for direct mapping [ 0.005581] RAMDISK: [mem 0x377e1000-0x37ffffff] [ 0.005589] ACPI: Early table checksum verification disabled [ 0.005597] ACPI: RSDP 0x00000000000F0000 000024 (v02 CORE ) [ 0.005608] ACPI: XSDT 0x000000007AB100E0 00005C (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.005622] ACPI: FACP 0x000000007AB13130 0000F4 (v04 CORE COREBOOT 00000000 CORE 00000000) [ 0.005635] ACPI: DSDT 0x000000007AB10280 002EA8 (v05 COREv4 COREBOOT 20110725 INTL 20150717) [ 0.005645] ACPI: FACS 0x000000007AB10240 000040 [ 0.005654] ACPI: FACS 0x000000007AB10240 000040 [ 0.005663] ACPI: SSDT 0x000000007AB13230 0015FA (v02 CORE COREBOOT 0000002A CORE 0000002A) [ 0.005673] ACPI: MCFG 0x000000007AB14830 00003C (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.005682] ACPI: TCPA 0x000000007AB14870 000032 (v02 CORE COREBOOT 00000000 CORE 00000000) [ 0.005692] ACPI: APIC 0x000000007AB148B0 00006C (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.005701] ACPI: NHLT 0x000000007AB14920 000E60 (v05 coral coral 00000021 CORE 00000000) [ 0.005711] ACPI: HPET 0x000000007AB17780 000038 (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.005720] ACPI: Reserving FACP table memory at [mem 0x7ab13130-0x7ab13223] [ 0.005725] ACPI: Reserving DSDT table memory at [mem 0x7ab10280-0x7ab13127] [ 0.005728] ACPI: Reserving FACS table memory at [mem 0x7ab10240-0x7ab1027f] [ 0.005732] ACPI: Reserving FACS table memory at [mem 0x7ab10240-0x7ab1027f] [ 0.005736] ACPI: Reserving SSDT table memory at [mem 0x7ab13230-0x7ab14829] [ 0.005740] ACPI: Reserving MCFG table memory at [mem 0x7ab14830-0x7ab1486b] [ 0.005744] ACPI: Reserving TCPA table memory at [mem 0x7ab14870-0x7ab148a1] [ 0.005748] ACPI: Reserving APIC table memory at [mem 0x7ab148b0-0x7ab1491b] [ 0.005751] ACPI: Reserving NHLT table memory at [mem 0x7ab14920-0x7ab1577f] [ 0.005755] ACPI: Reserving HPET table memory at [mem 0x7ab17780-0x7ab177b7] [ 0.005876] No NUMA configuration found [ 0.005880] Faking a node at [mem 0x0000000000000000-0x000000017fffffff] [ 0.005889] NODE_DATA(0) allocated [mem 0x17fff9000-0x17fffcfff] [ 0.005933] Zone ranges: [ 0.005938] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 0.005944] DMA32 [mem 0x0000000001000000-0x00000000ffffffff] [ 0.005950] Normal [mem 0x0000000100000000-0x000000017fffffff] [ 0.005956] Movable zone start for each node [ 0.005959] Early memory node ranges [ 0.005963] node 0: [mem 0x0000000000001000-0x000000000009ffff] [ 0.005967] node 0: [mem 0x0000000000100000-0x000000000fffffff] [ 0.005971] node 0: [mem 0x0000000012151000-0x000000007a9fcfff] [ 0.005975] node 0: [mem 0x0000000100000000-0x000000017fffffff] [ 0.005980] Initmem setup node 0 [mem 0x0000000000001000-0x000000017fffffff] [ 0.006011] On node 0, zone DMA: 1 pages in unavailable ranges [ 0.006061] On node 0, zone DMA: 96 pages in unavailable ranges [ 0.012775] On node 0, zone DMA32: 8529 pages in unavailable ranges [ 0.020247] On node 0, zone Normal: 22019 pages in unavailable ranges [ 0.020286] Reserving Intel graphics memory at [mem 0x7c000000-0x7fffffff] [ 0.020587] ACPI: PM-Timer IO Port: 0x408 [ 0.020658] IOAPIC[0]: apic_id 2, version 32, address 0xfec00000, GSI 0-119 [ 0.020674] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl) [ 0.020680] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 low level) [ 0.020693] Using ACPI (MADT) for SMP configuration information [ 0.020698] ACPI: HPET id: 0x8086a701 base: 0xfed00000 [ 0.020709] TSC deadline timer available [ 0.020714] smpboot: Allowing 4 CPUs, 0 hotplug CPUs [ 0.020746] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] [ 0.020751] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000fffff] [ 0.020756] PM: hibernation: Registered nosave memory: [mem 0x10000000-0x12150fff] [ 0.020761] PM: hibernation: Registered nosave memory: [mem 0x7a9fd000-0x7affffff] [ 0.020764] PM: hibernation: Registered nosave memory: [mem 0x7b000000-0x7fffffff] [ 0.020768] PM: hibernation: Registered nosave memory: [mem 0x80000000-0xcfffffff] [ 0.020772] PM: hibernation: Registered nosave memory: [mem 0xd0000000-0xd0ffffff] [ 0.020775] PM: hibernation: Registered nosave memory: [mem 0xd1000000-0xdfffffff] [ 0.020779] PM: hibernation: Registered nosave memory: [mem 0xe0000000-0xefffffff] [ 0.020782] PM: hibernation: Registered nosave memory: [mem 0xf0000000-0xfed0ffff] [ 0.020786] PM: hibernation: Registered nosave memory: [mem 0xfed10000-0xfed17fff] [ 0.020789] PM: hibernation: Registered nosave memory: [mem 0xfed18000-0xffffffff] [ 0.020796] [mem 0x80000000-0xcfffffff] available for PCI devices [ 0.020805] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1910969940391419 ns [ 0.029056] setup_percpu: NR_CPUS:64 nr_cpumask_bits:64 nr_cpu_ids:4 nr_node_ids:1 [ 0.029683] percpu: Embedded 59 pages/cpu s200848 r8192 d32624 u524288 [ 0.029780] Built 1 zonelists, mobility grouping on. Total pages: 1002002 [ 0.029788] Policy zone: Normal [ 0.029808] 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/6889277/extract-nfsrootfs-23xguygk,tcp,hard ip=dhcp tftpserverip=192.168.201.1 [ 0.030758] Dentry cache hash table entries: 524288 (order: 10, 4194304 bytes, linear) [ 0.031202] Inode-cache hash table entries: 262144 (order: 9, 2097152 bytes, linear) [ 0.031268] mem auto-init: stack:off, heap alloc:off, heap free:off [ 0.064419] Memory: 3875232K/4071724K available (18450K kernel code, 3458K rwdata, 5992K rodata, 1688K init, 11616K bss, 196232K reserved, 0K cma-reserved) [ 0.064569] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1 [ 0.064626] Kernel/User page tables isolation: enabled [ 0.064695] ftrace: allocating 52723 entries in 206 pages [ 0.087639] ftrace: allocated 206 pages with 5 groups [ 0.087979] Running RCU self tests [ 0.087998] rcu: Hierarchical RCU implementation. [ 0.088002] rcu: RCU event tracing is enabled. [ 0.088005] rcu: RCU lockdep checking is enabled. [ 0.088009] rcu: RCU restricting CPUs from NR_CPUS=64 to nr_cpu_ids=4. [ 0.088013] Rude variant of Tasks RCU enabled. [ 0.088016] Tracing variant of Tasks RCU enabled. [ 0.088021] rcu: RCU calculated value of scheduler-enlistment delay is 100 jiffies. [ 0.088025] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=4 [ 0.095960] NR_IRQS: 4352, nr_irqs: 1024, preallocated irqs: 16 [ 0.096394] random: crng init done [ 0.096509] Console: colour dummy device 80x25 [ 0.165450] printk: console [ttyS2] enabled [ 0.165817] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 0.166466] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 0.166813] ... MAX_LOCK_DEPTH: 48 [ 0.167177] ... MAX_LOCKDEP_KEYS: 8192 [ 0.167545] ... CLASSHASH_SIZE: 4096 [ 0.167913] ... MAX_LOCKDEP_ENTRIES: 32768 [ 0.168288] ... MAX_LOCKDEP_CHAINS: 65536 [ 0.168670] ... CHAINHASH_SIZE: 32768 [ 0.169056] memory used by lock dependency info: 6365 kB [ 0.169509] memory used for stack traces: 4224 kB [ 0.169922] per task-struct memory footprint: 1920 bytes [ 0.170446] ACPI: Core revision 20200925 [ 0.171069] clocksource: hpet: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 99544814920 ns [ 0.171907] APIC: Switch to symmetric I/O mode setup [ 0.176908] ..TIMER: vector=0x30 apic1=0 pin1=2 apic2=-1 pin2=-1 [ 0.181898] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0xfc66f4fc7c, max_idle_ns: 440795224246 ns [ 0.182789] Calibrating delay loop (skipped), value calculated using timer frequency.. 2188.80 BogoMIPS (lpj=1094400) [ 0.183777] pid_max: default: 32768 minimum: 301 [ 0.184851] LSM: Security Framework initializing [ 0.185268] SELinux: Initializing. [ 0.185813] LSM support for eBPF active [ 0.186193] Mount-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) [ 0.186789] Mountpoint-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) [ 0.188743] mce: CPU0: Thermal monitoring enabled (TM1) [ 0.188883] Last level iTLB entries: 4KB 48, 2MB 0, 4MB 0 [ 0.189775] Last level dTLB entries: 4KB 0, 2MB 0, 4MB 0, 1GB 0 [ 0.190280] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization [ 0.190777] Spectre V2 : Mitigation: Retpolines [ 0.191162] Spectre V2 : Spectre v2 / SpectreRSB mitigation: Filling RSB on context switch [ 0.191777] Speculative Store Bypass: Vulnerable [ 0.192943] Freeing SMP alternatives memory: 44K [ 0.195098] smpboot: CPU0: Intel(R) Pentium(R) CPU N4200 @ 1.10GHz (family: 0x6, model: 0x5c, stepping: 0x9) [ 0.196668] Performance Events: PEBS fmt3+, Goldmont events, 32-deep LBR, full-width counters, Intel PMU driver. [ 0.196787] ... version: 4 [ 0.197135] ... bit width: 48 [ 0.197484] ... generic registers: 4 [ 0.197778] ... value mask: 0000ffffffffffff [ 0.198229] ... max period: 00007fffffffffff [ 0.198677] ... fixed-purpose events: 3 [ 0.198777] ... event mask: 000000070000000f [ 0.199722] rcu: Hierarchical SRCU implementation. [ 0.201609] smp: Bringing up secondary CPUs ... [ 0.202612] x86: Booting SMP configuration: [ 0.202794] .... node #0, CPUs: #1 #2 #3 [ 0.205920] smp: Brought up 1 node, 4 CPUs [ 0.206782] smpboot: Max logical packages: 1 [ 0.207154] smpboot: Total of 4 processors activated (8755.20 BogoMIPS) [ 0.209778] devtmpfs: initialized [ 0.210442] x86/mm: Memory block size: 128MB [ 0.214860] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1911260446275000 ns [ 0.215795] futex hash table entries: 1024 (order: 5, 131072 bytes, linear) [ 0.216876] pinctrl core: initialized pinctrl subsystem [ 0.217688] PM: RTC time: 02:46:57, date: 2022-07-26 [ 0.218334] NET: Registered protocol family 16 [ 0.219486] audit: initializing netlink subsys (disabled) [ 0.219867] audit: type=2000 audit(1658803616.042:1): state=initialized audit_enabled=0 res=1 [ 0.220555] thermal_sys: Registered thermal governor 'step_wise' [ 0.220567] thermal_sys: Registered thermal governor 'user_space' [ 0.221880] cpuidle: using governor menu [ 0.223012] ACPI: bus type PCI registered [ 0.223028] PCI: MMCONFIG for domain 0000 [bus 00-ff] at [mem 0xe0000000-0xefffffff] (base 0xe0000000) [ 0.223784] PCI: MMCONFIG at [mem 0xe0000000-0xefffffff] reserved in E820 [ 0.224411] PCI: Using configuration type 1 for base access [ 0.249035] Kprobes globally optimized [ 0.249935] HugeTLB registered 1.00 GiB page size, pre-allocated 0 pages [ 0.250781] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages [ 0.251802] cryptomgr_test (40) used greatest stack depth: 14880 bytes left [ 0.255016] ACPI: Added _OSI(Module Device) [ 0.255382] ACPI: Added _OSI(Processor Device) [ 0.255771] ACPI: Added _OSI(3.0 _SCP Extensions) [ 0.255795] ACPI: Added _OSI(Processor Aggregator Device) [ 0.256256] ACPI: Added _OSI(Linux-Dell-Video) [ 0.256645] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio) [ 0.257781] ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics) [ 0.267308] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 0.274290] ACPI: EC: EC started [ 0.274592] ACPI: EC: interrupt blocked [ 0.275451] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62 [ 0.275783] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC used to handle transactions [ 0.276407] ACPI: Interpreter enabled [ 0.276782] ACPI: (supports S0 S3 S5) [ 0.277109] ACPI: Using IOAPIC for interrupt routing [ 0.277589] PCI: Using host bridge windows from ACPI; if necessary, use \"pci=nocrs\" and report a bug [ 0.279653] ACPI: Enabled 1 GPEs in block 00 to 7F [ 0.283895] ACPI: Power Resource [PXP] (on) [ 0.306764] ACPI: Power Resource [PRIC] (on) [ 0.334296] ACPI: Power Resource [PRIC] (on) [ 0.407214] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 0.407750] acpi PNP0A08:00: _OSC: OS supports [ExtendedConfig ASPM ClockPM Segments MSI HPX-Type3] [ 0.409071] acpi PNP0A08:00: _OSC: OS now controls [PME PCIeCapability LTR] [ 0.410455] PCI host bridge to bus 0000:00 [ 0.410782] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 0.411357] pci_bus 0000:00: root bus resource [io 0x1000-0xffff window] [ 0.411780] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 0.412415] pci_bus 0000:00: root bus resource [mem 0x7b800000-0x7fffffff window] [ 0.412779] pci_bus 0000:00: root bus resource [mem 0x80000000-0xe0000000 window] [ 0.413407] pci_bus 0000:00: root bus resource [bus 00-ff] [ 0.414868] pci 0000:00:00.0: [8086:5af0] type 00 class 0x060000 [ 0.416290] pci 0000:00:00.1: [8086:5a8c] type 00 class 0x118000 [ 0.416818] pci 0000:00:00.1: reg 0x10: [mem 0xc2b10000-0xc2b17fff 64bit] [ 0.418081] pci 0000:00:00.2: [8086:5a8e] type 00 class 0x130000 [ 0.418611] pci 0000:00:00.2: reg 0x10: [mem 0xc2800000-0xc28fffff 64bit] [ 0.418793] pci 0000:00:00.2: reg 0x18: [mem 0xc2000000-0xc27fffff 64bit] [ 0.419383] pci 0000:00:00.2: reg 0x20: [mem 0xc2b38000-0xc2b381ff 64bit] [ 0.420265] pci 0000:00:02.0: [8086:5a84] type 00 class 0x030000 [ 0.420799] pci 0000:00:02.0: reg 0x10: [mem 0xc0000000-0xc0ffffff 64bit] [ 0.421386] pci 0000:00:02.0: reg 0x18: [mem 0xb0000000-0xbfffffff 64bit pref] [ 0.421787] pci 0000:00:02.0: reg 0x20: [io 0x1000-0x103f] [ 0.422771] pci 0000:00:03.0: [8086:5a88] type 00 class 0x048000 [ 0.423307] pci 0000:00:03.0: reg 0x10: [mem 0xc1000000-0xc1ffffff 64bit] [ 0.424363] pci 0000:00:0e.0: [8086:5a98] type 00 class 0x040100 [ 0.425815] pci 0000:00:0e.0: reg 0x10: [mem 0xc2b18000-0xc2b1bfff 64bit] [ 0.426443] pci 0000:00:0e.0: reg 0x20: [mem 0xc2900000-0xc29fffff 64bit] [ 0.426906] pci 0000:00:0e.0: PME# supported from D0 D3hot D3cold [ 0.428141] pci 0000:00:0f.0: [8086:5a9a] type 00 class 0x078000 [ 0.428696] pci 0000:00:0f.0: reg 0x10: [mem 0xc2b1e000-0xc2b1efff 64bit] [ 0.428949] pci 0000:00:0f.0: PME# supported from D3hot [ 0.429923] pci 0000:00:14.0: [8086:5ad6] type 01 class 0x060400 [ 0.430655] pci 0000:00:14.0: PME# supported from D0 D3hot D3cold [ 0.432478] pci 0000:00:15.0: [8086:5aa8] type 00 class 0x0c0330 [ 0.432815] pci 0000:00:15.0: reg 0x10: [mem 0xc2b00000-0xc2b0ffff 64bit] [ 0.433560] pci 0000:00:15.0: PME# supported from D3hot D3cold [ 0.434435] pci 0000:00:16.0: [8086:5aac] type 00 class 0x118000 [ 0.434817] pci 0000:00:16.0: reg 0x10: [mem 0xc2b21000-0xc2b21fff 64bit] [ 0.435416] pci 0000:00:16.0: reg 0x18: [mem 0xc2b22000-0xc2b22fff 64bit] [ 0.437452] pci 0000:00:16.1: [8086:5aae] type 00 class 0x118000 [ 0.437816] pci 0000:00:16.1: reg 0x10: [mem 0xc2b23000-0xc2b23fff 64bit] [ 0.438415] pci 0000:00:16.1: reg 0x18: [mem 0xc2b24000-0xc2b24fff 64bit] [ 0.439447] pci 0000:00:16.2: [8086:5ab0] type 00 class 0x118000 [ 0.439818] pci 0000:00:16.2: reg 0x10: [mem 0xc2b25000-0xc2b25fff 64bit] [ 0.440418] pci 0000:00:16.2: reg 0x18: [mem 0xc2b26000-0xc2b26fff 64bit] [ 0.441445] pci 0000:00:16.3: [8086:5ab2] type 00 class 0x118000 [ 0.441828] pci 0000:00:16.3: reg 0x10: [mem 0xc2b27000-0xc2b27fff 64bit] [ 0.442420] pci 0000:00:16.3: reg 0x18: [mem 0xc2b28000-0xc2b28fff 64bit] [ 0.444493] pci 0000:00:17.0: [8086:5ab4] type 00 class 0x118000 [ 0.444817] pci 0000:00:17.0: reg 0x10: [mem 0xc2b29000-0xc2b29fff 64bit] [ 0.445421] pci 0000:00:17.0: reg 0x18: [mem 0xc2b2a000-0xc2b2afff 64bit] [ 0.446460] pci 0000:00:17.1: [8086:5ab6] type 00 class 0x118000 [ 0.446816] pci 0000:00:17.1: reg 0x10: [mem 0xc2b2b000-0xc2b2bfff 64bit] [ 0.447418] pci 0000:00:17.1: reg 0x18: [mem 0xc2b2c000-0xc2b2cfff 64bit] [ 0.449479] pci 0000:00:18.0: [8086:5abc] type 00 class 0x118000 [ 0.449817] pci 0000:00:18.0: reg 0x10: [mem 0xc2b2d000-0xc2b2dfff 64bit] [ 0.450417] pci 0000:00:18.0: reg 0x18: [mem 0xc2b2e000-0xc2b2efff 64bit] [ 0.451448] pci 0000:00:18.1: [8086:5abe] type 00 class 0x118000 [ 0.451816] pci 0000:00:18.1: reg 0x10: [mem 0xc2b2f000-0xc2b2ffff 64bit] [ 0.452417] pci 0000:00:18.1: reg 0x18: [mem 0xc2b30000-0xc2b30fff 64bit] [ 0.453442] pci 0000:00:18.2: [8086:5ac0] type 00 class 0x118000 [ 0.454828] pci 0000:00:18.2: reg 0x10: [mem 0xde000000-0xde000fff 64bit] [ 0.455424] pci 0000:00:18.2: reg 0x18: [mem 0xc2b31000-0xc2b31fff 64bit] [ 0.456482] pci 0000:00:19.0: [8086:5ac2] type 00 class 0x118000 [ 0.456818] pci 0000:00:19.0: reg 0x10: [mem 0xc2b32000-0xc2b32fff 64bit] [ 0.457417] pci 0000:00:19.0: reg 0x18: [mem 0xc2b33000-0xc2b33fff 64bit] [ 0.458481] pci 0000:00:1b.0: [8086:5aca] type 00 class 0x080501 [ 0.458809] pci 0000:00:1b.0: reg 0x10: [mem 0xc2b34000-0xc2b34fff 64bit] [ 0.459402] pci 0000:00:1b.0: reg 0x18: [mem 0xc2b35000-0xc2b35fff 64bit] [ 0.461418] pci 0000:00:1c.0: [8086:5acc] type 00 class 0x080501 [ 0.461810] pci 0000:00:1c.0: reg 0x10: [mem 0xc2b36000-0xc2b36fff 64bit] [ 0.462404] pci 0000:00:1c.0: reg 0x18: [mem 0xc2b37000-0xc2b37fff 64bit] [ 0.463563] pci 0000:00:1f.0: [8086:5ae8] type 00 class 0x060100 [ 0.464650] pci 0000:00:1f.1: [8086:5ad4] type 00 class 0x0c0500 [ 0.465848] pci 0000:00:1f.1: reg 0x10: [mem 0xc2b39000-0xc2b390ff 64bit] [ 0.466510] pci 0000:00:1f.1: reg 0x20: [io 0x1040-0x105f] [ 0.467935] pci 0000:01:00.0: [8086:095a] type 00 class 0x028000 [ 0.468934] pci 0000:01:00.0: reg 0x10: [mem 0xc2a00000-0xc2a01fff 64bit] [ 0.470133] pci 0000:01:00.0: Upstream bridge's Max Payload Size set to 128 (was 256, max 256) [ 0.470929] pci 0000:01:00.0: Max Payload Size set to 128 (was 128, max 128) [ 0.472243] pci 0000:01:00.0: PME# supported from D0 D3hot D3cold [ 0.474552] pci 0000:00:14.0: PCI bridge to [bus 01] [ 0.474791] pci 0000:00:14.0: bridge window [mem 0xc2a00000-0xc2afffff] [ 0.482783] ACPI: EC: interrupt unblocked [ 0.483148] ACPI: EC: event unblocked [ 0.483490] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62 [ 0.483779] ACPI: EC: GPE=0x2b [ 0.484052] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC initialization complete [ 0.484651] ACPI: \_SB_.PCI0.LPCB.EC0_: EC: Used to handle transactions and events [ 0.486315] iommu: Default domain type: Translated [ 0.486983] pci 0000:00:02.0: vgaarb: setting as boot VGA device [ 0.487380] pci 0000:00:02.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none [ 0.488807] pci 0000:00:02.0: vgaarb: bridge control possible [ 0.489292] vgaarb: loaded [ 0.490098] SCSI subsystem initialized [ 0.490869] ACPI: bus type USB registered [ 0.491341] usbcore: registered new interface driver usbfs [ 0.491835] usbcore: registered new interface driver hub [ 0.492331] usbcore: registered new device driver usb [ 0.492911] pps_core: LinuxPPS API ver. 1 registered [ 0.493343] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 0.493790] PTP clock support registered [ 0.494833] Advanced Linux Sound Architecture Driver Initialized. [ 0.496274] NetLabel: Initializing [ 0.496570] NetLabel: domain hash size = 128 [ 0.496778] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO [ 0.497332] NetLabel: unlabeled traffic allowed by default [ 0.497894] PCI: Using ACPI for IRQ routing [ 0.529329] Expanded resource Reserved due to conflict with PCI Bus 0000:00 [ 0.529867] hpet0: at MMIO 0xfed00000, IRQs 2, 8, 0, 0, 0, 0, 0, 0 [ 0.530415] hpet0: 8 comparators, 64-bit 19.200000 MHz counter [ 0.532895] clocksource: Switched to clocksource tsc-early [ 0.956113] VFS: Disk quotas dquot_6.6.0 [ 0.956501] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 0.957492] pnp: PnP ACPI init [ 0.958592] system 00:00: [io 0x0900-0x09fe] has been reserved [ 0.959411] system 00:01: [io 0x0200] has been reserved [ 0.959887] system 00:01: [io 0x0204] has been reserved [ 0.960345] system 00:01: [io 0x0800-0x087f] has been reserved [ 0.960858] system 00:01: [io 0x0880-0x08ff] has been reserved [ 0.963689] pnp: PnP ACPI: found 3 devices [ 0.979245] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns [ 0.980135] NET: Registered protocol family 2 [ 0.980709] IP idents hash table entries: 65536 (order: 7, 524288 bytes, linear) [ 0.982852] tcp_listen_portaddr_hash hash table entries: 2048 (order: 5, 163840 bytes, linear) [ 0.983826] TCP established hash table entries: 32768 (order: 6, 262144 bytes, linear) [ 0.984743] TCP bind hash table entries: 32768 (order: 9, 2359296 bytes, linear) [ 0.987332] TCP: Hash tables configured (established 32768 bind 32768) [ 0.988417] MPTCP token hash table entries: 4096 (order: 6, 360448 bytes, linear) [ 0.989385] UDP hash table entries: 2048 (order: 6, 327680 bytes, linear) [ 0.990253] UDP-Lite hash table entries: 2048 (order: 6, 327680 bytes, linear) [ 0.991331] NET: Registered protocol family 1 [ 0.992530] RPC: Registered named UNIX socket transport module. [ 0.993090] RPC: Registered udp transport module. [ 0.993489] RPC: Registered tcp transport module. [ 0.993908] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 0.995030] NET: Registered protocol family 44 [ 0.995437] pci 0000:00:14.0: PCI bridge to [bus 01] [ 0.995906] pci 0000:00:14.0: bridge window [mem 0xc2a00000-0xc2afffff] [ 0.996500] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7 window] [ 0.997039] pci_bus 0000:00: resource 5 [io 0x1000-0xffff window] [ 0.997565] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window] [ 0.998228] pci_bus 0000:00: resource 7 [mem 0x7b800000-0x7fffffff window] [ 0.998827] pci_bus 0000:00: resource 8 [mem 0x80000000-0xe0000000 window] [ 0.999404] pci_bus 0000:01: resource 1 [mem 0xc2a00000-0xc2afffff] [ 1.000200] pci 0000:00:02.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff] [ 1.003671] PCI: CLS 64 bytes, default 64 [ 1.004463] Unpacking initramfs... [ 1.225841] Freeing initrd memory: 8316K [ 1.226193] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) [ 1.226745] software IO TLB: mapped [mem 0x00000000769fd000-0x000000007a9fd000] (64MB) [ 1.227721] RAPL PMU: API unit is 2^-32 Joules, 4 fixed counters, 655360 ms ovfl timer [ 1.228415] RAPL PMU: hw unit of domain pp0-core 2^-14 Joules [ 1.228997] RAPL PMU: hw unit of domain package 2^-14 Joules [ 1.229474] RAPL PMU: hw unit of domain dram 2^-14 Joules [ 1.229949] RAPL PMU: hw unit of domain pp1-gpu 2^-14 Joules [ 1.231715] kvm: already loaded the other module [ 1.232146] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0xfc66f4fc7c, max_idle_ns: 440795224246 ns [ 1.233058] clocksource: Switched to clocksource tsc [ 1.233579] platform rtc_cmos: registered platform RTC device (no PNP device found) [ 1.236615] check: Scanning for low memory corruption every 60 seconds [ 1.239841] Initialise system trusted keyrings [ 1.240520] workingset: timestamp_bits=56 max_order=20 bucket_order=0 [ 1.259367] NFS: Registering the id_resolver key type [ 1.259867] Key type id_resolver registered [ 1.260253] Key type id_legacy registered [ 1.272213] Key type asymmetric registered [ 1.272612] Asymmetric key parser 'x509' registered [ 1.273110] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 249) [ 1.273742] io scheduler mq-deadline registered [ 1.274142] io scheduler kyber registered [ 1.274743] test_firmware: interface ready [ 1.275965] pcieport 0000:00:14.0: PME: Signaling with IRQ 120 [ 1.277751] ACPI: AC Adapter [AC] (on-line) [ 1.278471] input: Lid Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:14/PNP0C09:00/PNP0C0D:00/input/input0 [ 1.280055] ACPI: Lid Switch [LID0] [ 1.280573] input: Power Button as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0C:00/input/input1 [ 1.281456] ACPI: Power Button [PWRB] [ 1.281982] input: Sleep Button as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0E:00/input/input2 [ 1.282891] ACPI: Sleep Button [SLP] [ 1.283396] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input3 [ 1.284239] ACPI: Power Button [PWRF] [ 1.284826] ACPI: \_PR_.CP00: Found 3 idle states [ 1.285991] ACPI: \_PR_.CP01: Found 3 idle states [ 1.286868] ACPI: \_PR_.CP02: Found 3 idle states [ 1.287716] ACPI: \_PR_.CP03: Found 3 idle states [ 1.289933] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 1.292659] Non-volatile memory driver v1.3 [ 1.293187] Linux agpgart interface v0.103 [ 1.293232] battery: ACPI: Battery Slot [BAT0] (battery present) [ 1.296879] i915 0000:00:02.0: vgaarb: deactivate vga console [ 1.350989] i915 0000:00:02.0: Invalid PCI ROM header signature: expecting 0xaa55, got 0x8c7c [ 1.351739] i915 0000:00:02.0: [drm] Failed to find VBIOS tables (VBT) [ 1.352499] i915 0000:00:02.0: vgaarb: changed VGA decodes: olddecodes=io+mem,decodes=io+mem:owns=io+mem [ 1.353868] i915 0000:00:02.0: Direct firmware load for i915/bxt_dmc_ver1_07.bin failed with error -2 [ 1.354716] i915 0000:00:02.0: [drm] Failed to load DMC firmware i915/bxt_dmc_ver1_07.bin. Disabling runtime power management. [ 1.355695] i915 0000:00:02.0: [drm] DMC firmware homepage: https://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git/tree/i915 [ 1.399181] [drm] Initialized i915 1.6.0 20200917 for 0000:00:02.0 on minor 0 [ 1.402722] [drm] Initialized vgem 1.0.0 20120112 for vgem on minor 1 [ 1.418527] loop: module loaded [ 1.419556] lkdtm: No crash points registered, enable through debugfs [ 1.477599] dw-apb-uart.6: ttyS0 at MMIO 0xc2b2d000 (irq = 4, base_baud = 115200) is a 16550A [ 1.481248] dw-apb-uart.7: ttyS1 at MMIO 0xc2b2f000 (irq = 5, base_baud = 115200) is a 16550A [ 1.484466] printk: console [ttyS2] disabled [ 1.485140] dw-apb-uart.8: ttyS2 at MMIO 0xde000000 (irq = 6, base_baud = 114825) is a 16550A [ 4.348271] printk: console [ttyS2] enabled [ 4.348306] fbcon: i915drmfb (fb0) is primary device [ 4.350676] pxa2xx-spi pxa2xx-spi.9: no DMA channels available, using PIO [ 4.358414] e100: Intel(R) PRO/100 Network Driver [ 4.358418] e100: Copyright(c) 1999-2006 Intel Corporation [ 4.358471] e1000: Intel(R) PRO/1000 Network Driver [ 4.358473] e1000: Copyright (c) 1999-2006 Intel Corporation. [ 4.358544] e1000e: Intel(R) PRO/1000 Network Driver [ 4.358545] e1000e: Copyright(c) 1999 - 2015 Intel Corporation. [ 4.358618] sky2: driver version 1.30 [ 4.358919] usbcore: registered new interface driver r8152 [ 4.359459] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver [ 4.359479] ehci-pci: EHCI PCI platform driver [ 4.359542] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver [ 4.359557] ohci-pci: OHCI PCI platform driver [ 4.359608] uhci_hcd: USB Universal Host Controller Interface driver [ 4.361168] xhci_hcd 0000:00:15.0: xHCI Host Controller [ 4.362411] xhci_hcd 0000:00:15.0: new USB bus registered, assigned bus number 1 [ 4.363666] xhci_hcd 0000:00:15.0: hcc params 0x200077c1 hci version 0x100 quirks 0x0000000081109810 [ 4.363716] xhci_hcd 0000:00:15.0: cache line size of 64 is not supported [ 4.365249] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.10 [ 4.365265] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 4.365269] usb usb1: Product: xHCI Host Controller [ 4.365271] usb usb1: Manufacturer: Linux 5.10.129-cip12 xhci-hcd [ 4.365274] usb usb1: SerialNumber: 0000:00:15.0 [ 4.366513] hub 1-0:1.0: USB hub found [ 4.366618] hub 1-0:1.0: 8 ports detected [ 4.368548] xhci_hcd 0000:00:15.0: xHCI Host Controller [ 4.369000] xhci_hcd 0000:00:15.0: new USB bus registered, assigned bus number 2 [ 4.369014] xhci_hcd 0000:00:15.0: Host supports USB 3.0 SuperSpeed [ 4.369302] usb usb2: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.10 [ 4.369309] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 4.369312] usb usb2: Product: xHCI Host Controller [ 4.369314] usb usb2: Manufacturer: Linux 5.10.129-cip12 xhci-hcd [ 4.369317] usb usb2: SerialNumber: 0000:00:15.0 [ 4.370242] hub 2-0:1.0: USB hub found [ 4.370317] hub 2-0:1.0: 7 ports detected [ 4.371972] usbcore: registered new interface driver usblp [ 4.372028] usbcore: registered new interface driver usb-storage [ 4.372406] udc-core: couldn't find an available UDC - added [g_ether] to list of pending drivers [ 4.372513] i8042: PNP: PS/2 Controller [PNP0303:PS2K] at 0x60,0x64 irq 1 [ 4.372515] i8042: PNP: PS/2 appears to have AUX port disabled, if this is incorrect please boot with i8042.nopnp [ 4.373093] i8042: Warning: Keylock active [ 4.373339] serio: i8042 KBD port at 0x60,0x64 irq 1 [ 4.375720] rtc_cmos rtc_cmos: RTC can wake from S4 [ 4.377965] input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input4 [ 4.378814] rtc_cmos rtc_cmos: registered as rtc0 [ 4.379081] rtc_cmos rtc_cmos: alarms up to one month, 114 bytes nvram, hpet irqs [ 4.380350] i801_smbus 0000:00:1f.1: can't derive routing for PCI INT A [ 4.380353] i801_smbus 0000:00:1f.1: PCI INT A: no GSI [ 4.380384] i801_smbus 0000:00:1f.1: SPD Write Disable is set [ 4.380439] genirq: Flags mismatch irq 0. 00000080 (i801_smbus) vs. 00015a00 (timer) [ 4.380458] i801_smbus 0000:00:1f.1: Failed to allocate irq 0: -16 [ 4.380461] i801_smbus 0000:00:1f.1: SMBus using polling [ 4.381444] device-mapper: ioctl: 4.43.0-ioctl (2020-10-01) initialised: dm-devel@redhat.com [ 4.381489] intel_pstate: Intel P-state driver initializing [ 4.384010] sdhci: Secure Digital Host Controller Interface driver [ 4.384018] sdhci: Copyright(c) Pierre Ossman [ 4.384226] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) [ 4.389500] Console: switching to colour frame buffer device 240x67 [ 4.393889] sdhci-pci 0000:00:1c.0: SDHCI controller found [8086:5acc] (rev b) [ 4.400546] mmc0: SDHCI controller on PCI [0000:00:1c.0] using ADMA 64-bit [ 4.401612] hid: raw HID events driver (C) Jiri Kosina [ 4.404305] usbcore: registered new interface driver usbhid [ 4.404311] usbhid: USB HID core driver [ 4.406617] input: Tablet Mode Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:14/PNP0C09:00/GOOG0006:00/input/input5 [ 4.413987] cros_ec_lpcs GOOG0004:00: Chrome EC device registered [ 4.417481] snd_hda_intel 0000:00:0e.0: DSP detected with PCI class/subclass/prog-if info 0x040100 [ 4.419256] i915 0000:00:02.0: [drm] fb0: i915drmfb frame buffer device [ 4.430113] snd_hda_intel 0000:00:0e.0: bound 0000:00:02.0 (ops i915_audio_component_bind_ops) [ 4.431395] netem: version 1.3 [ 4.432147] ipip: IPv4 and MPLS over IPv4 tunneling driver [ 4.434012] gre: GRE over IPv4 demultiplexor driver [ 4.456254] snd_hda_intel 0000:00:0e.0: Cannot probe codecs, giving up [ 4.461768] ip_gre: GRE over IPv4 tunneling driver [ 4.466068] IPv4 over IPsec tunneling driver [ 4.556394] mmc0: new HS400 MMC card at address 0001 [ 4.561926] Initializing XFRM netlink socket [ 4.569172] mmcblk0: mmc0:0001 TA2964 58.3 GiB [ 4.575155] NET: Registered protocol family 10 [ 4.578158] mmcblk0boot0: mmc0:0001 TA2964 partition 1 4.00 MiB [ 4.586687] Segment Routing with IPv6 [ 4.592677] mmcblk0boot1: mmc0:0001 TA2964 partition 2 4.00 MiB [ 4.604546] ip6_gre: GRE over IPv6 tunneling driver [ 4.608413] mmcblk0rpmb: mmc0:0001 TA2964 partition 3 4.00 MiB, chardev (246:0) [ 4.618767] NET: Registered protocol family 17 [ 4.625333] usb 1-5: new high-speed USB device number 2 using xhci_hcd [ 4.631497] Key type dns_resolver registered [ 4.673493] GPT:partition_entry_array_crc32 values don't match: 0x517f99f8 != 0x839741b6 [ 5.007122] GPT:Primary header thinks Alt. header is not at the end of the disk. [ 5.015454] GPT:119999999 != 122290175 [ 5.019702] GPT:Alternate GPT header not at the end of the disk. [ 5.026477] GPT:119999999 != 122290175 [ 5.030724] GPT: Use GNU Parted to correct GPT errors. [ 5.036563] mmcblk0: p1 p2 p3 p4 p5 p6 p7 p8 p9 p10 p11 p12 [ 5.046197] microcode: sig=0x506c9, pf=0x1, revision=0x2c [ 5.052592] microcode: Microcode Update Driver: v2.2. [ 5.052620] IPI shorthand broadcast: enabled [ 5.063364] sched_clock: Marking stable (4981750424, 81437705)->(5069174062, -5985933) [ 5.073254] registered taskstats version 1 [ 5.077916] Loading compiled-in X.509 certificates [ 5.100302] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) [ 5.119376] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) [ 5.133260] usb 1-5: New USB device found, idVendor=0408, idProduct=3090, bcdDevice= 0.04 [ 5.142631] usb 1-5: New USB device strings: Mfr=3, Product=1, SerialNumber=2 [ 5.150677] usb 1-5: Product: USB2.0 HD UVC WebCam [ 5.156084] usb 1-5: Manufacturer: Quanta [ 5.160623] usb 1-5: SerialNumber: 0x0001 [ 5.169372] PM: Magic number: 14:405:764 [ 5.174318] event_source breakpoint: hash matches [ 5.180624] printk: console [netcon0] enabled [ 5.185590] netconsole: network logging started [ 5.193285] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) [ 5.213292] IP-Config: Failed to open gretap0 [ 5.218364] IP-Config: Failed to open erspan0 [ 5.223289] IP-Config: No network devices available [ 5.224261] usb 2-2: new SuperSpeed Gen 1 USB device number 2 using xhci_hcd [ 5.228852] cfg80211: Loading compiled-in X.509 certificates for regulatory database [ 5.251475] usb 2-2: New USB device found, idVendor=0bda, idProduct=8153, bcdDevice=31.00 [ 5.260706] usb 2-2: New USB device strings: Mfr=1, Product=2, SerialNumber=6 [ 5.268749] usb 2-2: Product: USB 10/100/1000 LAN [ 5.269830] modprobe (101) used greatest stack depth: 14208 bytes left [ 5.274060] usb 2-2: Manufacturer: Realtek [ 5.283921] modprobe (102) used greatest stack depth: 14120 bytes left [ 5.286040] usb 2-2: SerialNumber: 001000001 [ 5.287076] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7' [ 5.295105] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) [ 5.300144] platform regulatory.0: Direct firmware load for regulatory.db failed with error -2 [ 5.300350] ALSA device list: [ 5.300372] No soundcards found. [ 5.331337] cfg80211: failed to load regulatory.db [ 5.337475] dw-apb-uart dw-apb-uart.8: forbid DMA for kernel console [ 5.361938] Freeing unused kernel image (initmem) memory: 1688K [ 5.366854] usb 1-6: new full-speed USB device number 3 using xhci_hcd [ 5.376291] Write protecting the kernel read-only data: 26624k [ 5.388138] Freeing unused kernel image (text/rodata gap) memory: 2028K [ 5.396671] Freeing unused kernel image (rodata/data gap) memory: 152K [ 5.404197] Run /init as init process [ 5.434565] cat (111) used greatest stack depth: 13800 bytes left Loading, please wait... Starting version 247.3-7 [ 5.510476] usb 1-6: New USB device found, idVendor=8087, idProduct=0a2a, bcdDevice= 0.03 [ 5.519720] usb 1-6: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 5.535830] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) [ 5.627164] usb 2-2: reset SuperSpeed Gen 1 USB device number 2 using xhci_hcd [ 5.662143] r8152 2-2:1.0: Direct firmware load for rtl_nic/rtl8153b-2.fw failed with error -2 [ 5.672148] r8152 2-2:1.0: unable to load firmware patch rtl_nic/rtl8153b-2.fw (-2) [ 5.721998] r8152 2-2:1.0 eth0: v1.11.11 [ 5.728211] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) [ 5.766316] r8152 2-2:1.0 enx00e04c680ade: renamed from eth0 [ 5.834446] udevadm (125) used greatest stack depth: 13576 bytes left [ 6.731431] cros-usbpd-notify-acpi GOOG0003:00: Couldn't get Chrome EC device pointer. [ 6.740984] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) [ 6.868021] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) [ 7.128878] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) [ 7.147346] 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 [ 7.302663] IPv6: ADDRCONF(NETDEV_CHANGE): enx00e04c680ade: link becomes ready [ 7.312424] r8152 2-2:1.0 enx00e04c680ade: carrier on IP-Config: no response after 2 secs - giving up [ 10.285571] ipconfig (162) used greatest stack depth: 13072 bytes left 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: 192.168.201.17 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 : [ 10.431847] 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 [ 12.206693] systemd[1]: systemd 247.3-7 running in system mode. (+PAM +AUDIT +SELINUX +IMA +APPARMOR +SMACK +SYSVINIT +UTMP +LIBCRYPTSETUP +GCRYPT +GNUTLS +ACL +XZ +LZ4 +ZSTD +SECCOMP +BLKID +ELFUTILS +KMOD +IDN2 -IDN +PCRE2 default-hierarchy=unified) [ 12.246614] systemd[1]: Detected architecture x86-64. Welcome to [1mDebian GNU/Linux 11 (bullseye)[0m! [ 12.291144] systemd[1]: Set hostname to . [ 13.808320] systemd[1]: Queued start job for default target Graphical Interface. [ 13.826532] systemd[1]: Created slice system-getty.slice. [[0;32m OK [0m] Created slice [0;1;39msystem-getty.slice[0m. [ 13.845431] systemd[1]: Created slice system-modprobe.slice. [[0;32m OK [0m] Created slice [0;1;39msystem-modprobe.slice[0m. [ 13.864490] systemd[1]: Created slice system-serial\x2dgetty.slice. [[0;32m OK [0m] Created slice [0;1;39msystem-serial\x2dgetty.slice[0m. [ 13.883299] systemd[1]: Created slice User and Session Slice. [[0;32m OK [0m] Created slice [0;1;39mUser and Session Slice[0m. [ 13.901918] systemd[1]: Started Dispatch Password Requests to Console Directory Watch. [[0;32m OK [0m] Started [0;1;39mDispatch Password …ts to Console Directory Watch[0m. [ 13.922478] systemd[1]: Started Forward Password Requests to Wall Directory Watch. [[0;32m OK [0m] Started [0;1;39mForward Password R…uests to Wall Directory Watch[0m. [ 13.944977] systemd[1]: Set up automount Arbitrary Executable File Formats File System Automount Point. [[0;32m OK [0m] Set up automount [0;1;39mArbitrary…s File System Automount Point[0m. [ 13.968670] systemd[1]: Reached target Local Encrypted Volumes. [[0;32m OK [0m] Reached target [0;1;39mLocal Encrypted Volumes[0m. [ 13.985632] systemd[1]: Reached target Paths. [[0;32m OK [0m] Reached target [0;1;39mPaths[0m. [ 13.997522] systemd[1]: Reached target Remote File Systems. [[0;32m OK [0m] Reached target [0;1;39mRemote File Systems[0m. [ 14.014507] systemd[1]: Reached target Slices. [[0;32m OK [0m] Reached target [0;1;39mSlices[0m. [ 14.026549] systemd[1]: Reached target Swap. [[0;32m OK [0m] Reached target [0;1;39mSwap[0m. [ 14.039769] systemd[1]: Listening on initctl Compatibility Named Pipe. [[0;32m OK [0m] Listening on [0;1;39minitctl Compatibility Named Pipe[0m. [ 14.060946] systemd[1]: Listening on Journal Audit Socket. [[0;32m OK [0m] Listening on [0;1;39mJournal Audit Socket[0m. [ 14.080654] systemd[1]: Listening on Journal Socket (/dev/log). [[0;32m OK [0m] Listening on [0;1;39mJournal Socket (/dev/log)[0m. [ 14.099629] systemd[1]: Listening on Journal Socket. [[0;32m OK [0m] Listening on [0;1;39mJournal Socket[0m. [ 14.115690] systemd[1]: Listening on Network Service Netlink Socket. [[0;32m OK [0m] Listening on [0;1;39mNetwork Service Netlink Socket[0m. [ 14.139531] systemd[1]: Listening on udev Control Socket. [[0;32m OK [0m] Listening on [0;1;39mudev Control Socket[0m. [ 14.157164] systemd[1]: Listening on udev Kernel Socket. [[0;32m OK [0m] Listening on [0;1;39mudev Kernel Socket[0m. [ 14.181716] systemd[1]: Mounting Huge Pages File System... Mounting [0;1;39mHuge Pages File System[0m... [ 14.204865] systemd[1]: Mounting POSIX Message Queue File System... Mounting [0;1;39mPOSIX Message Queue File System[0m... [ 14.230751] systemd[1]: Mounting Kernel Debug File System... Mounting [0;1;39mKernel Debug File System[0m... [ 14.258374] systemd[1]: Mounting Kernel Trace File System... Mounting [0;1;39mKernel Trace File System[0m... [ 14.294027] systemd[1]: Starting Create list of static device nodes for the current kernel... Starting [0;1;39mCreate list of st…odes for the current kernel[0m... [ 14.323502] systemd[1]: Starting Load Kernel Module configfs... Starting [0;1;39mLoad Kernel Module configfs[0m... [ 14.347992] systemd[1]: Starting Load Kernel Module drm... Starting [0;1;39mLoad Kernel Module drm[0m... [ 14.370353] systemd[1]: Starting Load Kernel Module fuse... Starting [0;1;39mLoad Kernel Module fuse[0m... [ 14.380258] mount (192) used greatest stack depth: 12528 bytes left [ 14.402141] systemd[1]: Condition check resulted in Set Up Additional Binary Formats being skipped. [ 14.430520] systemd[1]: Starting Journal Service... Starting [0;1;39mJournal Service[0m... [ 14.464171] fuse: init (API version 7.32) [ 14.469642] systemd[1]: Starting Load Kernel Modules... Starting [0;1;39mLoad Kernel Modules[0m... [ 14.490232] systemd[1]: Starting Remount Root and Kernel File Systems... Starting [0;1;39mRemount Root and Kernel File Systems[0m... [ 14.523676] systemd[1]: Starting Coldplug All udev Devices... Starting [0;1;39mColdplug All udev Devices[0m... [ 14.558151] systemd[1]: Mounted Huge Pages File System. [[0;32m OK [0m] Mounted [0;1;39mHuge Pages File System[0m. [ 14.575546] systemd[1]: Mounted POSIX Message Queue File System. [[0;32m OK [0m] Mounted [0;1;39mPOSIX Message Queue File System[0m. [ 14.614435] systemd[1]: Mounted Kernel Debug File System. [[0;32m OK [0m] Mounted [0;1;39mKernel Debug File System[0m. [ 14.632676] systemd[1]: Mounted Kernel Trace File System. [[0;32m OK [0m] Mounted [0;1;39mKernel Trace File System[0m. [ 14.654646] systemd[1]: Finished Create list of static device nodes for the current kernel. [[0;32m OK [0m] Finished [0;1;39mCreate list of st… nodes for the current kernel[0m. [ 14.682160] systemd[1]: modprobe@configfs.service: Succeeded. [ 14.691966] systemd[1]: Finished Load Kernel Module configfs. [[0;32m OK [0m] Finished [0;1;39mLoad Kernel Module configfs[0m. [ 14.712566] systemd[1]: modprobe@drm.service: Succeeded. [ 14.722167] systemd[1]: Finished Load Kernel Module drm. [[0;32m OK [0m] Finished [0;1;39mLoad Kernel Module drm[0m. [ 14.742969] systemd[1]: modprobe@fuse.service: Succeeded. [ 14.752408] systemd[1]: Finished Load Kernel Module fuse. [[0;32m OK [0m] Finished [0;1;39mLoad Kernel Module fuse[0m. [ 14.773080] systemd[1]: Finished Load Kernel Modules. [[0;32m OK [0m] Finished [0;1;39mLoad Kernel Modules[0m. [ 14.791075] systemd[1]: Finished Remount Root and Kernel File Systems. [[0;32m OK [0m] Finished [0;1;39mRemount Root and Kernel File Systems[0m. [ 14.817390] systemd[1]: Mounting FUSE Control File System... Mounting [0;1;39mFUSE Control File System[0m... [ 14.841590] systemd[1]: Mounting Kernel Configuration File System... Mounting [0;1;39mKernel Configuration File System[0m... [ 14.870404] systemd[1]: Condition check resulted in Rebuild Hardware Database being skipped. [ 14.881174] systemd[1]: Condition check resulted in Platform Persistent Storage Archival being skipped. [ 14.899852] systemd[1]: Starting Load/Save Random Seed... Starting [0;1;39mLoad/Save Random Seed[0m... [ 14.924135] systemd[1]: Starting Apply Kernel Variables... Starting [0;1;39mApply Kernel Variables[0m... [ 14.948880] systemd[1]: Starting Create System Users... Starting [0;1;39mCreate System Users[0m... [ 14.971278] systemd[1]: Mounted FUSE Control File System. [[0;32m OK [0m] Mounted [0;1;39mFUSE Control File System[0m. [ 14.995610] systemd[1]: Mounted Kernel Configuration File System. [[0;32m OK [0m] Mounted [0;1;39mKernel Configuration File System[0m. [ 15.023873] systemd[1]: Finished Load/Save Random Seed. [[0;32m OK [0m] Finished [0;1;39mLoad/Save Random Seed[0m. [ 15.044004] systemd[1]: Condition check resulted in First Boot Complete being skipped. [ 15.063141] systemd[1]: Finished Apply Kernel Variables. [[0;32m OK [0m] Finished [0;1;39mApply Kernel Variables[0m. [ 15.219077] systemd[1]: Finished Create System Users. [[0;32m OK [0m] Finished [0;1;39mCreate System Users[0m. [ 15.242420] systemd[1]: Starting Create Static Device Nodes in /dev... Starting [0;1;39mCreate Static Device Nodes in /dev[0m... [ 15.366317] systemd[1]: Started Journal Service. [[0;32m OK [0m] Started [0;1;39mJournal Service[0m. Starting [0;1;39mFlush Journal to Persistent Storage[0m... [[0;32m OK [0m] Finished [0;1;39mCreate Static Device Nodes in /dev[0m. [[0;32m OK [0m] Reached target [0;1;39mLocal File Systems (Pre)[0m. [[0;32m OK [0m] Reached target [0;1;39mLocal File Systems[0m. Starting [0;1;39mRule-based Manage…for Device Events and Files[0m... [ 15.498742] systemd-journald[201]: Received client request to flush runtime journal. [[0;32m OK [0m] Finished [0;1;39mColdplug All udev Devices[0m. [[0;32m OK [0m] Finished [0;1;39mFlush Journal to Persistent Storage[0m. Starting [0;1;39mCreate Volatile Files and Directories[0m... [[0;32m OK [0m] Started [0;1;39mRule-based Manager for Device Events and Files[0m. Starting [0;1;39mNetwork Service[0m... [[0;32m OK [0m] Created slice [0;1;39msystem-systemd\x2dbacklight.slice[0m. Starting [0;1;39mLoad/Save Screen …f backlight:intel_backlight[0m... [[0;32m OK [0m] Found device [0;1;39mCeleron N3350…3900 Series HSUART Controller[0m. [[0;32m OK [0m] Listening on [0;1;39mLoad/Save RF …itch Status /dev/rfkill Watch[0m. [[0;32m OK [0m] Finished [0;1;39mLoad/Save Screen … of backlight:intel_backlight[0m. [[0;32m OK [0m] Finished [0;1;39mCreate Volatile Files and Directories[0m. [[0;32m OK [0m] Started [0;1;39mNetwork Service[0m. Starting [0;1;39mNetwork Name Resolution[0m... Starting [0;1;39mUpdate UTMP about System Boot/Shutdown[0m... [[0;32m OK [0m] Finished [0;1;39mUpdate UTMP about System Boot/Shutdown[0m. [[0;32m OK [0m] Reached target [0;1;39mSystem Initialization[0m. [[0;32m OK [0m] Started [0;1;39mDaily apt download activities[0m. [[0;32m OK [0m] Started [0;1;39mDaily apt upgrade and clean activities[0m. [[0;32m OK [0m] Started [0;1;39mPeriodic ext4 Onli…ata Check for All Filesystems[0m. [[0;32m OK [0m] Started [0;1;39mDiscard unused blocks once a week[0m. [[0;32m OK [0m] Started [0;1;39mDaily Cleanup of Temporary Directories[0m. [[0;32m OK [0m] Reached target [0;1;39mTimers[0m. [[0;32m OK [0m] Listening on [0;1;39mD-Bus System Message Bus Socket[0m. [[0;32m OK [0m] Reached target [0;1;39mSockets[0m. [[0;32m OK [0m] Reached target [0;1;39mBasic System[0m. [[0;32m OK [0m] Started [0;1;39mD-Bus System Message Bus[0m. Starting [0;1;39mRemove Stale Onli…t4 Metadata Check Snapshots[0m... Starting [0;1;39mUser Login Management[0m... [[0;32m OK [0m] Finished [0;1;39mRemove Stale Onli…ext4 Metadata Check Snapshots[0m. [[0;32m OK [0m] Started [0;1;39mUser Login Management[0m. [[0;32m OK [0m] Started [0;1;39mNetwork Name Resolution[0m. [[0;32m OK [0m] Reached target [0;1;39mNetwork[0m. [[0;32m OK [0m] Reached target [0;1;39mHost and Network Name Lookups[0m. Starting [0;1;39mPermit User Sessions[0m... [[0;32m OK [0m] Finished [0;1;39mPermit User Sessions[0m. [[0;32m OK [0m] Started [0;1;39mGetty on tty1[0m. [[0;32m OK [0m] Started [0;1;39mSerial Getty on ttyS2[0m. [[0;32m OK [0m] Reached target [0;1;39mLogin Prompts[0m. [[0;32m OK [0m] Reached target [0;1;39mMulti-User System[0m. [[0;32m OK [0m] Reached target [0;1;39mGraphical Interface[0m. Starting [0;1;39mUpdate UTMP about System Runlevel Changes[0m... [[0;32m OK [0m] Finished [0;1;39mUpdate UTMP about System Runlevel Changes[0m. Debian GNU/Linux 11 debian-bullseye-amd64 ttyS2 debian-bullseye-amd64 login: root (automatic login) Linux debian-bullseye-amd64 5.10.129-cip12 #1 SMP Tue Jul 26 02:09:28 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/6889277/extract-nfsrootfs-23xguygk' export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/6889277/extract-nfsrootfs-23xguygk' / # 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-6889277/environment . /lava-6889277/environment / # /lava-6889277/bin/lava-test-runner /lava-6889277/0 /lava-6889277/bin/lava-test-runner /lava-6889277/0 + export TESTRUN_ID=0_timesync-off + TESTRUN_ID=0_timesync-off + cd /lava-6889277/0/tests/0_timesync-off ++ cat uuid + UUID=6889277_1.5.2.3.1 + set +x + systemctl stop systemd-timesyncd Failed to stop systemd-timesyncd.service: Unit systemd-timesyncd.service not loaded. + true + set +x + export TESTRUN_ID=1_kselftest-lkdtm + TESTRUN_ID=1_kselftest-lkdtm + cd /lava-6889277/0/tests/1_kselftest-lkdtm ++ cat uuid + UUID=6889277_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/linux-5.10.y-cip/v5.10.129-cip12-12-g93db31b19404/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 -e '' -p /opt/kselftests/mainline/ INFO: Generating a skipfile based on /lava-6889277/0/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. --2022-07-26 02:47:44-- http://storage.kernelci.org/cip/linux-5.10.y-cip/v5.10.129-cip12-12-g93db31b19404/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: 3537820 (3.4M) [application/octet-stream] Saving to: 'kselftest.tar.xz' kselftest.tar.xz 0%[ ] 0 --.-KB/s kselftest.tar.xz 1%[ ] 50.15K 177KB/s kselftest.tar.xz 6%[> ] 216.08K 381KB/s kselftest.tar.xz 23%[===> ] 818.47K 910KB/s kselftest.tar.xz 58%[==========> ] 1.96M 1.72MB/s kselftest.tar.xz 89%[================> ] 3.03M 2.26MB/s kselftest.tar.xz 100%[===================>] 3.37M 2.32MB/s in 1.5s 2022-07-26 02:47:46 (2.32 MB/s) - 'kselftest.tar.xz' saved [3537820/3537820] 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 ======================================== [ 65.627142] 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 [ 66.265000] lkdtm: Performing direct entry BUG [ 66.270344] ------------[ cut here ]------------ [ 66.275630] kernel BUG at drivers/misc/lkdtm/bugs.c:76! [ 66.281584] invalid opcode: 0000 [#1] SMP PTI [ 66.286466] CPU: 0 PID: 729 Comm: cat Not tainted 5.10.129-cip12 #1 [ 66.293477] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 66.300108] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 66.304495] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 19 70 02 [ 66.325492] RSP: 0018:ffffb34b41397e60 EFLAGS: 00010286 [ 66.331339] RAX: ffffffffb72b1b30 RBX: 0000000000000001 RCX: 0000000000000000 [ 66.339316] RDX: 0000000000000000 RSI: ffff94a17bc1bf70 RDI: ffffffffb7ed9a70 [ 66.347297] RBP: ffffffffb831b088 R08: 0000000000000001 R09: 0000000000000001 [ 66.355274] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 66.363252] R13: ffffb34b41397f10 R14: ffffb34b41397f10 R15: ffff94a105f0a000 [ 66.371232] FS: 00007f99d7040580(0000) GS:ffff94a17bc00000(0000) knlGS:0000000000000000 [ 66.380282] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 66.386705] CR2: 00007f99d6e59000 CR3: 00000001027c6000 CR4: 00000000003506f0 [ 66.394684] Call Trace: [ 66.397426] direct_entry.cold+0x2c/0x38 [ 66.401823] full_proxy_write+0x56/0x80 [ 66.406118] vfs_write+0xea/0x390 [ 66.409827] ksys_write+0x68/0xe0 [ 66.413538] do_syscall_64+0x33/0x40 [ 66.417538] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 66.423190] RIP: 0033:0x7f99d6f68f33 [ 66.427191] Code: 8b 15 61 ef 0c 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 [ 66.448191] RSP: 002b:00007fff20a243d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 66.456659] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f99d6f68f33 [ 66.464639] RDX: 0000000000000004 RSI: 00007f99d6e59000 RDI: 0000000000000001 [ 66.472617] RBP: 00007f99d6e59000 R08: 00007f99d6e58010 R09: 0000000000000000 [ 66.480594] R10: 00007f99d70631c0 R11: 0000000000000246 R12: 0000000000000001 [ 66.488574] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 66.496560] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 66.512598] ---[ end trace 7726a933748a4135 ]--- [ 66.517775] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 66.522186] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 19 70 02 [ 66.543197] RSP: 0018:ffffb34b41397e60 EFLAGS: 00010286 [ 66.549061] RAX: ffffffffb72b1b30 RBX: 0000000000000001 RCX: 0000000000000000 [ 66.557062] RDX: 0000000000000000 RSI: ffff94a17bc1bf70 RDI: ffffffffb7ed9a70 [ 66.565061] RBP: ffffffffb831b088 R08: 0000000000000001 R09: 0000000000000001 [ 66.573058] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 66.581066] R13: ffffb34b41397f10 R14: ffffb34b41397f10 R15: ffff94a105f0a000 [ 66.589070] FS: 00007f99d7040580(0000) GS:ffff94a17bc00000(0000) knlGS:0000000000000000 [ 66.598137] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 66.604580] CR2: 00007f99d6e59000 CR3: 00000001027c6000 CR4: 00000000003506f0 # Segmentation fault # [ 66.265000] lkdtm: Performing direct entry BUG # [ 66.270344] ------------[ cut here ]------------ # [ 66.275630] kernel BUG at drivers/misc/lkdtm/bugs.c:76! # [ 66.281584] invalid opcode: 0000 [#1] SMP PTI # [ 66.286466] CPU: 0 PID: 729 Comm: cat Not tainted 5.10.129-cip12 #1 # [ 66.293477] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 66.300108] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 66.304495] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 19 70 02 # [ 66.325492] RSP: 0018:ffffb34b41397e60 EFLAGS: 00010286 # [ 66.331339] RAX: ffffffffb72b1b30 RBX: 0000000000000001 RCX: 0000000000000000 # [ 66.339316] RDX: 0000000000000000 RSI: ffff94a17bc1bf70 RDI: ffffffffb7ed9a70 # [ 66.347297] RBP: ffffffffb831b088 R08: 0000000000000001 R09: 0000000000000001 # [ 66.355274] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 66.363252] R13: ffffb34b41397f10 R14: ffffb34b41397f10 R15: ffff94a105f0a000 # [ 66.371232] FS: 00007f99d7040580(0000) GS:ffff94a17bc00000(0000) knlGS:0000000000000000 # [ 66.380282] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 66.386705] CR2: 00007f99d6e59000 CR3: 00000001027c6000 CR4: 00000000003506f0 # [ 66.394684] Call Trace: # [ 66.397426] direct_entry.cold+0x2c/0x38 # [ 66.401823] full_proxy_write+0x56/0x80 # [ 66.406118] vfs_write+0xea/0x390 # [ 66.409827] ksys_write+0x68/0xe0 # [ 66.413538] do_syscall_64+0x33/0x40 # [ 66.417538] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 66.423190] RIP: 0033:0x7f99d6f68f33 # [ 66.427191] Code: 8b 15 61 ef 0c 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 # [ 66.448191] RSP: 002b:00007fff20a243d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 66.456659] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f99d6f68f33 # [ 66.464639] RDX: 0000000000000004 RSI: 00007f99d6e59000 RDI: 0000000000000001 # [ 66.472617] RBP: 0[ 66.862098] lkdtm: Performing direct entry WARNING 0007f99d6e59000 R08: 00007f99d6e58010 R09: 0000000000000000 # [[ 66.868803] ------------[ cut here ]------------ 66.480594] R10: 00007f99d70631c0 R11: 0000000000000246 R12: 0[ 66.880432] WARNING: CPU: 3 PID: 765 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0xf/0x20 000000000000001 # [ 66.488574] R13: 0000000000000001 R14: 000[ 66.895716] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 0000000020000 R15: 0000000000020000 # [ 66.496560] Modules li[ 66.917896] CPU: 3 PID: 765 Comm: cat Tainted: G D 5.10.129-cip12 #1 nked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_[ 66.932870] Hardware name: Google Coral/Coral, BIOS 09/29/2020 sysfs cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usb[ 66.945758] RIP: 0010:lkdtm_WARNING+0xf/0x20 pd_notify # [ 66.512598] ---[ end trace 7726a933748a4135 ]---[ 66.956749] Code: ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 0f 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 19 70 02 01 75 01 c3 <0f> 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 0f 1f 44 00 00 # [ 66.517775] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 66.522186[ 66.983754] RSP: 0018:ffffb34b41427e60 EFLAGS: 00010202 ] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff[ 66.995797] RAX: ffffffffb72b1b40 RBX: 0000000000000002 RCX: 0000000000000000 c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 [ 67.010061] RDX: 0000000000000000 RSI: ffff94a17bd9bf70 RDI: ffffffffb7ed9a80 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0[ 67.024222] RBP: ffffffffb82bfc97 R08: 0000000000000000 R09: 0000000000000000 19 70 02 # [ 66.543197] RSP: 0018:ffffb34b41397e60 EFLAGS: 0[ 67.038409] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000008 0010286 # [ 66.549061] RAX: ffffffffb72b1b30 RBX: 00000000000[ 67.052632] R13: ffffb34b41427f10 R14: ffffb34b41427f10 R15: ffff94a1029c5000 00001 RCX: 0000000000000000 # [ 66.557062] RDX: 0000000000000[ 67.066826] FS: 00007f08e36be580(0000) GS:ffff94a17bd80000(0000) knlGS:0000000000000000 000 RSI: ffff94a17bc1bf70 RDI: ffffffffb7ed9a70 # [ 66.565061[ 67.082122] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 ] RBP: ffffffffb831b088 R08: 0000000000000001 R09: 0000000000000[ 67.094756] CR2: 00007f08e34d7000 CR3: 0000000105fd4000 CR4: 00000000003506e0 001 # [ 66.573058] R10: 00000000ffffe000 R11: 3ffffffffffffff[ 67.108983] Call Trace: f R12: 0000000000000004 # [ 66.581066] R13: ffffb34b41397f10 [ 67.117944] direct_entry.cold+0x2c/0x38 R14: ffffb34b41397f10 R15: ffff94a105f0a000 # [ 66.589070] FS[ 67.128555] full_proxy_write+0x56/0x80 : 00007f99d7040580(0000) GS:ffff94a17bc00000(0000) knlGS:000000[ 67.139090] vfs_write+0xea/0x390 0000000000 # [ 66.598137] CS: 0010 DS: 0000 ES: 0000 CR0: 00[ 67.149012] ksys_write+0x68/0xe0 00000080050033 # [ 66.604580] CR2: 00007f99d6e59000 CR3: 0000[ 67.158950] do_syscall_64+0x33/0x40 0001027c6000 CR4: 00000000003506f0 # BUG: saw 'kernel BUG at': [ 67.169193] entry_SYSCALL_64_after_hwframe+0x44/0xa9 ok ok 2 selftests: lkdtm: BUG.sh # selftests: lkdtm: WARNING.s[ 67.181048] RIP: 0033:0x7f08e35e6f33 h [ 67.191266] Code: 8b 15 61 ef 0c 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 [ 67.212567] RSP: 002b:00007fffb6f93788 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 67.221059] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007f08e35e6f33 [ 67.229059] RDX: 0000000000000008 RSI: 00007f08e34d7000 RDI: 0000000000000001 [ 67.237077] RBP: 00007f08e34d7000 R08: 00007f08e34d6010 R09: 0000000000000000 [ 67.245080] R10: 00007f08e36e11c0 R11: 0000000000000246 R12: 0000000000000001 [ 67.253079] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 67.261087] irq event stamp: 0 [ 67.264581] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 67.271804] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 67.281089] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 67.290391] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 67.297569] ---[ end trace 7726a933748a4136 ]--- # [ 66.862098] lkdtm: Performing direct entry WARNING # [ 66.868803] ------------[ cut here ]------------ # [ 66.880432] WARNING: CPU: 3 PID: 765 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0xf/0x20 # [ 66.895716] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 66.917896] CPU: 3 PID: 765 Comm: cat Tainted: G D 5.10.129-cip12 #1 # [ 66.932870] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 66.945758] RIP: 0010:lkdtm_WARNING+0xf/0x20 # [ 66.956749] Code: ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 0f 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 19 70 02 01 75 01 c3 <0f> 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 0f 1f 44 00 00 # [ 66.983754] RSP: 0018:ffffb34b41427e60 EFLAGS: 00010202 # [ 66.995797] RAX: ffffffffb72b1b40 RBX: 0000000000000002 RCX: 0000000000000000 # [ 67.010061] RDX: 0000000000000000 RSI: ffff94a17bd9bf70 RDI: ffffffffb7ed9a80 # [ 67.024222] RBP: ffffffffb82bfc97 R08: 0000000000000000 R09: 0000000000000000 # [ 67.038409] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000008 # [ 67.052632] R13: ffffb34b41427f10 R14: ffffb34b41427f10 R15: ffff94a1029c5000 # [ 67.066826] FS: 00007f08e36be580(0000) GS:ffff94a17bd80000(0000) knlGS:0000000000000000 # [ 67.082122] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 67.094756] CR2: 00007f08e34d7000 CR3: 0000000105fd4000 CR4: 00000000003506e0 # [ 67.108983] Call Trace: # [ 67.117944] direct_entry.cold+0x2c/0x38 # [ 67.128555] full_proxy_write+0x56/0x80 # [ 67.139090] vfs_write+0xea/0x390 # [ 67.149012] ksys_write+0x68/0xe0 # [ 67.158950] do_syscall_64+0x33/0x40 # [ 67.169193] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 67.181048] RIP: 0033:0x7f08e35e6f33 # [ 67.191266] Code: 8b 15 61 ef 0c 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 # [ 67.212567] RSP: 002b:00007fffb6f93788 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 67.22[ 67.569976] lkdtm: Performing direct entry WARNING_MESSAGE [ 67.581626] ------------[ cut here ]------------ [ 67.586833] Warning message trigger count: 2 1059] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007f08e[ 67.591696] WARNING: CPU: 2 PID: 800 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30 [ 67.608070] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 67.624078] CPU: 2 PID: 800 Comm: cat Tainted: G D W 5.10.129-cip12 #1 [ 67.632704] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 67.639389] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30 [ 67.645068] Code: 1f 84 00 00 00 00 00 0f 1f 00 0f 1f 44 00 00 8b 05 c1 19 70 02 48 c7 c7 f8 01 2c b8 8d 70 01 89 35 b1 19 70 02 e8 d6 98 61 00 <0f> 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 0f 1f 44 00 00 c7 [ 67.666091] RSP: 0018:ffffb34b4149fe60 EFLAGS: 00010286 [ 67.671959] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 [ 67.679964] RDX: ffff94a17bd2c660 RSI: ffff94a17bd1bf70 RDI: ffff94a17bd1bf70 [ 67.687964] RBP: ffffffffb82bfc9f R08: 0000000000000000 R09: 0000000000000000 [ 67.695967] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010 [ 67.703969] R13: ffffb34b4149ff10 R14: ffffb34b4149ff10 R15: ffff94a105216000 [ 67.711974] FS: 00007f257072c580(0000) GS:ffff94a17bd00000(0000) knlGS:0000000000000000 [ 67.721040] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 67.727478] CR2: 00007f2570545000 CR3: 0000000103550000 CR4: 00000000003506e0 [ 67.735476] Call Trace: [ 67.738240] direct_entry.cold+0x2c/0x38 [ 67.742661] full_proxy_write+0x56/0x80 [ 67.746978] vfs_write+0xea/0x390 [ 67.750710] ksys_write+0x68/0xe0 [ 67.754443] do_syscall_64+0x33/0x40 [ 67.758463] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 67.764136] RIP: 0033:0x7f2570654f33 [ 67.768158] Code: 8b 15 61 ef 0c 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 [ 67.789171] RSP: 002b:00007fff36b816a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 67.797661] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007f2570654f33 [ 67.805661] RDX: 0000000000000010 RSI: 00007f2570545000 RDI: 0000000000000001 [ 67.813662] RBP: 00007f2570545000 R08: 00007f2570544010 R09: 0000000000000000 [ 67.821662] R10: 00007f257074f1c0 R11: 0000000000000246 R12: 0000000000000001 [ 67.829656] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 67.837667] irq event stamp: 0 [ 67.841101] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 67.848134] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 67.857303] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 35e6f33 # [ 67.229059] RDX: 0000000000000008 RSI: 00007f08e34[ 67.866467] softirqs last disabled at (0): [<0000000000000000>] 0x0 d7000 RDI: 0000000000000001 # [ 67.237077] RBP: 00007f08e34d7[ 67.879692] ---[ end trace 7726a933748a4137 ]--- 000 R08: 00007f08e34d6010 R09: 0000000000000000 # [ 67.245080] R10: 00007f08e36e11c0 R11: 0000000000000246 R12: 0000000000000001 # [ 67.253079] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 67.261087] irq event stamp: 0 # [ 67.264581] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 67.271804] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 67.281089] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 67.290391] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 67.297569] ---[ end trace 7726a933748a4136 ]--- # WARNING: saw 'WARNING:': ok ok 3 selftests: lkdtm: WARNING.sh # selftests: lkdtm: WARNING_MESSAGE.sh # [ 67.569976] lkdtm: Performing direct entry WARNING_MESSAGE # [ 67.581626] ------------[ cut here ]------------ # [ 67.586833] Warning message trigger count: 2 # [ 67.591696] WARNING: CPU: 2 PID: 800 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 67.608070] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 67.624078] CPU: 2 PID: 800 Comm: cat Tainted: G D W 5.10.129-cip12 #1 # [ 67.632704] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 67.639389] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 67.645068] Code: 1f 84 00 00 00 00 00 0f 1f 00 0f 1f 44 00 00 8b 05 c1 19 70 02 48 c7 c7 f8 01 2c b8 8d 70 01 89 35 b1 19 70 02 e8 d6 98 61 00 <0f> 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 0f 1f 44 00 00 c7 # [ 67.666091] RSP: 0018:ffffb34b4149fe60 EFLAGS: 00010286 # [ 67.671959] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 # [ 67.679964] RDX: ffff94a17bd2c660 RSI: ffff94a17bd1bf70 RDI: ffff94a17bd1bf70 # [ 67.687964] RBP: ffffffffb82bfc9f R08: 0000000000000000 R09: 0000000000000000 # [ 67.695967] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010 # [ 67.703969] R13: ffffb34b4149ff10 R14: ffffb34b4149ff10 R15: ffff94a105216000 # [ 67.711974] FS: 00007f257072c580(0000) GS:ffff94a17bd00000(0000) knlGS:0000000000000000 # [ 67.721040] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 67.727478] CR2: 00007f2570545000 CR3: 0000000103550000 CR4: 00000000003506e0 # [ 67.735476] Call Trace: # [ 67.738240] direct_entry.cold+[ 68.125130] lkdtm: Performing direct entry EXCEPTION 0x2c/0x38 # [ 67.742661] full_proxy_write+0x56/0x80 # [ 6[ 68.132975] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 68.146978] #PF: supervisor write access in kernel mode [ 68.152818] #PF: error_code(0x0002) - not-present page [ 68.158563] PGD 0 P4D 0 [ 68.161402] Oops: 0002 [#2] SMP PTI [ 68.165305] CPU: 2 PID: 832 Comm: cat Tainted: G D W 5.10.129-cip12 #1 [ 68.173868] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 68.180494] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20 [ 68.185467] Code: 48 c7 c7 f8 01 2c b8 8d 70 01 89 35 b1 19 70 02 e8 d6 98 61 00 0f 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 0f 1f 44 00 00 04 25 00 00 00 00 00 00 00 00 c3 66 66 2e 0f 1f 84 00 00 00 00 [ 68.206465] RSP: 0018:ffffb34b414d7e60 EFLAGS: 00010286 [ 68.212302] RAX: ffffffffb72b1b90 RBX: 0000000000000004 RCX: 0000000000000000 [ 68.220280] RDX: 0000000000000000 RSI: ffff94a17bd1bf70 RDI: ffffffffb7ed9aa0 [ 68.228257] RBP: ffffffffb81f58a7 R08: 0000000000000000 R09: 0000000000000000 [ 68.236235] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a [ 68.244209] R13: ffffb34b414d7f10 R14: ffffb34b414d7f10 R15: ffff94a104bc8000 [ 68.252184] FS: 00007f5fbcc56580(0000) GS:ffff94a17bd00000(0000) knlGS:0000000000000000 [ 68.261227] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 68.267646] CR2: 0000000000000000 CR3: 0000000103426000 CR4: 00000000003506e0 [ 68.275622] Call Trace: [ 68.278365] direct_entry.cold+0x2c/0x38 [ 68.282759] full_proxy_write+0x56/0x80 [ 68.287051] vfs_write+0xea/0x390 [ 68.290761] ksys_write+0x68/0xe0 [ 68.294469] do_syscall_64+0x33/0x40 [ 68.298468] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 68.304118] RIP: 0033:0x7f5fbcb7ef33 [ 68.308115] Code: 8b 15 61 ef 0c 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 [ 68.329109] RSP: 002b:00007ffeb9bfaee8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 68.337576] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f5fbcb7ef33 [ 68.345553] RDX: 000000000000000a RSI: 00007f5fbca6f000 RDI: 0000000000000001 [ 68.353528] RBP: 00007f5fbca6f000 R08: 00007f5fbca6e010 R09: 0000000000000000 [ 68.361502] R10: 00007f5fbcc791c0 R11: 0000000000000246 R12: 0000000000000001 [ 68.369475] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 68.377463] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 68.393441] CR2: 0000000000000000 [ 68.397150] ---[ end trace 7726a933748a4138 ]--- [ 68.402316] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 68.406703] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 19 70 02 [ 68.427702] RSP: 0018:ffffb34b41397e60 EFLAGS: 00010286 [ 68.433544] RAX: ffffffffb72b1b30 RBX: 0000000000000001 RCX: 0000000000000000 [ 68.441521] RDX: 0000000000000000 RSI: ffff94a17bc1bf70 RDI: ffffffffb7ed9a70 [ 68.449498] RBP: ffffffffb831b088 R08: 0000000000000001 R09: 0000000000000001 [ 68.457476] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 68.465453] R13: ffffb34b41397f10 R14: ffffb34b41397f10 R15: ffff94a105f0a000 [ 68.473432] FS: 00007f5fbcc56580(0000) GS:ffff94a17bd00000(0000) knlGS:0000000000000000 [ 68.482479] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 68.488902] CR2: 0000000000000000 CR3: 0000000103426000 CR4: 00000000003506e0 [ 68.496884] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 7.746978] vfs_write+0xea/0x390 # [ 67.750710] ksys_write+0x[ 68.506800] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 832, name: cat [ 68.521377] INFO: lockdep is turned off. [ 68.525760] irq event stamp: 0 [ 68.529174] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 68.536189] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 68.545337] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 68.554482] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 68.561491] CPU: 2 PID: 832 Comm: cat Tainted: G D W 5.10.129-cip12 #1 [ 68.570052] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 68.576670] Call Trace: [ 68.579410] dump_stack+0x77/0x97 [ 68.583120] ___might_sleep.cold+0xa6/0xb6 [ 68.587703] exit_signals+0x1c/0x2d0 [ 68.591702] do_exit+0xd5/0xb00 [ 68.595218] ? ksys_write+0x68/0xe0 [ 68.599124] rewind_stack_do_exit+0x17/0x20 [ 68.603801] RIP: 0033:0x7f5fbcb7ef33 [ 68.607796] Code: 8b 15 61 ef 0c 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 [ 68.628794] RSP: 002b:00007ffeb9bfaee8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 68.637261] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f5fbcb7ef33 [ 68.645240] RDX: 000000000000000a RSI: 00007f5fbca6f000 RDI: 0000000000000001 [ 68.653218] RBP: 00007f5fbca6f000 R08: 00007f5fbca6e010 R09: 0000000000000000 [ 68.661198] R10: 00007f5fbcc791c0 R11: 0000000000000246 R12: 0000000000000001 [ 68.669174] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 68/0xe0 # [ 67.754443] do_syscall_64+0x33/0x40 # [ 67.758463] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 67.764136] RIP: 0033:0x7f2570654f33 # [ 67.768158] Code: 8b 15 61 ef 0c 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 # [ 67.789171] RSP: 002b:00007fff36b816a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 67.797661] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007f2570654f33 # [ 67.805661] RDX: 0000000000000010 RSI: 00007f2570545000 RDI: 0000000000000001 # [ 67.813662] RBP: 00007f2570545000 R08: 00007f2570544010 R09: 0000000000000000 # [ 67.821662] R10: 00007f257074f1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 67.829656] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 67.837667] irq event stamp: 0 # [ 67.841101] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 67.848134] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 67.857303] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 67.866467] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 67.879692] ---[ end trace 7726a933748a4137 ]--- # WARNING_MESSAGE: saw 'message trigger': ok ok 4 selftests: lkdtm: WARNING_MESSAGE.sh # selftests: lkdtm: EXCEPTION.sh # Killed # [ 68.125130] lkdtm: Performing direct entry EXCEPTION # [ 68.132975] BUG: kernel NULL pointer dereference, address: 0000000000000000 # [ 68.146978] #PF: supervisor write access in kernel mode # [ 68.152818] #PF: error_code(0x0002) - not-present page # [ 68.158563] PGD 0 P4D 0 # [ 68.161402] Oops: 0002 [#2] SMP PTI # [ 68.165305] CPU: 2 PID: 832 Comm: cat Tainted: G D W 5.10.129-cip12 #1 # [ 68.173868] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 68.180494] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20 # [ 68.185467] Code: 48 c7 c7 f8 01 2c b8 8d 70 01 89 35 b1 19 70 02 e8 d6 98 61 00 0f 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 0f 1f 44 00 00 04 25 00 00 00 00 00 00 00 00 c3 66 66 2e 0f 1f 84 00 00 00 00 # [ 68.206465] RSP: 0018:ffffb34b414d7e60 EFLAGS: 00010286 # [ 68.212302] RAX: ffffffffb72b1b90 RBX: 0000000000000004 RCX: 0000000000000000 # [ 68.220280] RDX: 0000000000000000 RSI: ffff94a17bd1bf70 RDI: ffffffffb7ed9aa0 # [ 68.228257] RBP: ffffffffb81f58a7 R08: 0000000000000000 R09: 0000000000000000 # [ 68.236235] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 68.244209] R13: ffffb34b414d7f10 R14: ffffb34b414d7f10 R15: ffff94a104bc8000 # [ 68.252184] FS: 00007f5fbcc56580(0000) GS:ffff94a17bd00000(0000) knlGS:0000000000000000 # [ 68.261227] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 68.267646] CR2: 0000000000000000 CR3: 0000000103426000 CR4: 00000000003506e0 # [ 68.275622] Call Trace: # [ 68.278365] direct_entry.cold+0x2c/0x38 # [ 68.282759] full_proxy_write+0x56/0x80 # [ 68.287051] vfs_write+0xea/0x390 # [ 68.290761] ksys_write+0x68/0xe0 # [ 68.294469] do_syscall_64+0x33/0x40 # [ 68.298468] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 68.304118] RIP: 0033:0x7f5fbcb7ef33 # [ 68.308115] Code: 8b 15 61 ef 0c 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 # [ 68.329109] RSP: 002b:00007ffeb9bfaee8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 68.337576] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f5fbcb7ef33 # [ 68.345553] RDX: 000000000000000a RSI: 00007f5fbca6f000 RDI: 0000000000000001 # [ 68.353528] RBP: 00007f5fbca6f000 R08: 00007f5fbca6e010 R09: 0000000000000000 # [ 68.361502] R10: 00007f5fbcc791c0 R11: 0000000000000246 R12: 0000000000000001 # [ 68.369475] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 68.377463] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 68.393441] CR2: 0000000000000000 # [ 68.397150] ---[ end trace 7726a933748a4138 ]--- # [ 68.402316] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 68.406703] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 19 70 02 # [ 68.427702] RSP: 0018:ffffb34b41397e60 EFLAGS: 00010286 # [ 68.433544] RAX: ffffffffb72b1b30 RBX: 0000000000000001 RCX: 0000000000000000 # [ 68.441521] RDX: 0000000000000000 RSI: ffff94a17bc1bf70 RDI: ffffffffb7ed9a70 # [ 68.449498] RBP: ffffffffb831b088 R08: 0000000000000001 R09: 0000000000000001 # [ 68.457476] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 68.465453] R13: ffffb34b41397f10 R14: ffffb34b41397f10 R15: ffff94a105f0a000 # [ 68.473432] FS: 00007f5fbcc56580(0000) GS:ffff94a17bd00000(0000) knlGS:0000000000000000 # [ 68.482479] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 68.488902] CR2: 0000000000000000 CR3: 0000000103426000 CR4: 00000000003506e0 # [ 68.496884] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 68.506800] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 832, name: cat # [ 68.521377] INFO: lockdep is turned off. # [ 68.525760] irq event stamp: 0 # [ 68.529174] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 68.536189] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 68.545337] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 68.554482] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 68.561491] CPU: 2 PID: 832 Comm: cat Tainted: G D W 5.10.129-cip12 #1 # [ 68.570052] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 68.576670] Call Trace: # [ 68.579410] dump_stack+0x77/0x97 # [ 68.583120] ___might_sleep.cold+0xa6/0xb6 # [ 68.587703] exit_signals+0x1c/0x2d0 # [ 68.591702] do_exit+0xd5/0xb00 # [ 68.595218] ? ksys_write+0x68/0xe0 # [ 68.599124] rewind_stack_do_exit+0x17/0x20 # [ 68.603801] RIP: 0033:0x7f5fbcb7ef33 # [ 68.607796] Code: 8b 15 61 ef 0c 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 # [ 68.628794] RSP: 002b:00007ffeb9bfaee8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 68.637261] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f5fbcb7ef33 # [ 68.645240] RDX: 000000000000000a RSI: 00007f5fbca6f000 RDI: 0000000000000001 # [ 68.653218] RBP: 00007f5fbca6f000 R08: 00007f5fbca6e010 R09: 0000000000000000 # [ 68.661198] R10: 00007f5fbcc791c0 R11: 0000000000000246 R12: 0000000000000001 # [ 68.669174] 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 [ 69.489605] lkdtm: Performing direct entry CORRUPT_LIST_ADD [ 69.495891] lkdtm: attempting good list addition [ 69.501082] lkdtm: attempting corrupted list addition [ 69.506758] lkdtm: list_add() corruption not detected! # [ 69.489605] lkdtm: Performing direct entry CORRUPT_LIST_ADD # [ 69.495891] lkdtm: attempting good list addition # [ 69.501082] lkdtm: attempting corrupted list addition # [ 69.506758] 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 [ 69.766156] lkdtm: Performing direct entry CORRUPT_LIST_DEL [ 69.772446] lkdtm: attempting good list removal [ 69.777547] lkdtm: attempting corrupted list removal [ 69.783503] lkdtm: list_del() corruption not detected! # [ 69.766156] lkdtm: Performing direct entry CORRUPT_LIST_DEL # [ 69.772446] lkdtm: attempting good list removal # [ 69.777547] lkdtm: attempting corrupted list removal # [ 69.783503] 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 [ 70.028989] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING [ 70.036043] lkdtm: attempting bad read from page below current stack [ 70.043207] BUG: stack guard page was hit at 00000000777bdb53 (stack is 00000000c9f1db59..000000003993a309) [ 70.054110] kernel stack overflow (page fault): 0000 [#3] SMP PTI [ 70.060930] CPU: 1 PID: 1057 Comm: cat Tainted: G D W 5.10.129-cip12 #1 [ 70.069590] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 70.076218] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a [ 70.082746] Code: 41 5c c3 0f 1f 44 00 00 53 48 c7 c7 98 05 2c b8 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 31 a4 fd ff 48 c7 c7 d8 05 2c b8 <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 17 a4 fd ff 0f 1f 44 [ 70.103743] RSP: 0018:ffffb34b417cfe50 EFLAGS: 00010246 [ 70.109589] RAX: 0000000000000038 RBX: ffffb34b417cc000 RCX: 0000000000000000 [ 70.117567] RDX: 0000000000000000 RSI: ffff94a17bc9bf70 RDI: ffffffffb82c05d8 [ 70.125546] RBP: ffffffffb82bfd02 R08: 0000000000000000 R09: 0000000000000000 [ 70.133527] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019 [ 70.141506] R13: ffffb34b417cff10 R14: ffffb34b417cff10 R15: ffff94a10501b000 [ 70.149488] FS: 00007f1118110580(0000) GS:ffff94a17bc80000(0000) knlGS:0000000000000000 [ 70.158535] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 70.164960] CR2: ffffb34b417cbfff CR3: 00000001050fe000 CR4: 00000000003506e0 [ 70.172939] Call Trace: [ 70.175681] ? lkdtm_CORRUPT_LIST_DEL+0xdc/0xdc [ 70.180752] direct_entry.cold+0x2c/0x38 [ 70.185147] full_proxy_write+0x56/0x80 [ 70.189444] vfs_write+0xea/0x390 [ 70.193152] ksys_write+0x68/0xe0 [ 70.196863] do_syscall_64+0x33/0x40 [ 70.200866] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 70.206518] RIP: 0033:0x7f1118038f33 [ 70.210516] Code: 8b 15 61 ef 0c 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 [ 70.231509] RSP: 002b:00007fffecad9c18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 70.239964] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007f1118038f33 [ 70.247939] RDX: 0000000000000019 RSI: 00007f1117f29000 RDI: 0000000000000001 [ 70.255916] RBP: 00007f1117f29000 R08: 00007f1117f28010 R09: 0000000000000000 [ 70.263896] R10: 00007f11181331c0 R11: 0000000000000246 R12: 0000000000000001 [ 70.271874] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 70.279862] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 70.295848] ---[ end trace 7726a933748a4139 ]--- [ 70.301017] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 70.305403] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 19 70 02 [ 70.326403] RSP: 0018:ffffb34b41397e60 EFLAGS: 00010286 [ 70.332238] RAX: ffffffffb72b1b30 RBX: 0000000000000001 RCX: 0000000000000000 [ 70.340216] RDX: 0000000000000000 RSI: ffff94a17bc1bf70 RDI: ffffffffb7ed9a70 [ 70.348195] RBP: ffffffffb831b088 R08: 0000000000000001 R09: 0000000000000001 [ 70.356173] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 70.364155] R13: ffffb34b41397f10 R14: ffffb34b41397f10 R15: ffff94a105f0a000 [ 70.372136] FS: 00007f1118110580(0000) GS:ffff94a17bc80000(0000) knlGS:0000000000000000 [ 70.381183] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 70.387606] CR2: ffffb34b417cbfff CR3: 00000001050fe000 CR4: 00000000003506e0 [ 70.395587] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 70.405511] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1057, name: cat [ 70.413977] INFO: lockdep is turned off. [ 70.418359] irq event stamp: 0 [ 70.421773] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 70.428788] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 70.437937] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 70.447084] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 70.454093] CPU: 1 PID: 1057 Comm: cat Tainted: G D W 5.10.129-cip12 #1 [ 70.462748] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 70.469362] Call Trace: [ 70.472102] dump_stack+0x77/0x97 [ 70.475812] ___might_sleep.cold+0xa6/0xb6 [ 70.480392] exit_signals+0x1c/0x2d0 [ 70.484389] do_exit+0xd5/0xb00 [ 70.487899] ? ksys_write+0x68/0xe0 [ 70.491805] rewind_stack_do_exit+0x17/0x20 [ 70.496483] RIP: 0033:0x7f1118038f33 [ 70.500481] Code: 8b 15 61 ef 0c 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 [ 70.521473] RSP: 002b:00007fffecad9c18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 70.529942] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007f1118038f33 [ 70.537918] RDX: 0000000000000019 RSI: 00007f1117f29000 RDI: 0000000000000001 [ 70.545895] RBP: 00007f1117f29000 R08: 00007f1117f28010 R09: 0000000000000000 [ 70.553873] R10: 00007f11181331c0 R11: 0000000000000246 R12: 0000000000000001 [ 70.561849] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # Segmentation fault # [ 70.028989] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING # [ 70.036043] lkdtm: attempting bad read from page below current stack # [ 70.043207] BUG: stack guard page was hit at 00000000777bdb53 (stack is 00000000c9f1db59..000000003993a309) # [ 70.054110] kernel stack overflow (page fault): 0000 [#3] SMP PTI # [ 70.060930] CPU: 1 PID: 1057 Comm: cat Tainted: G D W 5.10.129-cip12 #1 # [ 70.069590] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 70.076218] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a # [ 70.082746] Code: 41 5c c3 0f 1f 44 00 00 53 48 c7 c7 98 05 2c b8 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 31 a4 fd ff 48 c7 c7 d8 05 2c b8 <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 17 a4 fd ff 0f 1f 44 # [ 70.103743] RSP: 0018:ffffb34b417cfe50 EFLAGS: 00010246 # [ 70.109589] RAX: 0000000000000038 RBX: ffffb34b417cc000 RCX: 0000000000000000 # [ 70.117567] RDX: 0000000000000000 RSI: ffff94a17bc9bf70 RDI: ffffffffb82c05d8 # [ 70.125546] RBP: ffffffffb82bfd02 R08: 0000000000000000 R09: 0000000000000000 # [ 70.133527] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019 # [ 70.141506] R13: ffffb34b417cff10 R14: ffffb34b417cff10 R15: ffff94a10501b000 # [ 70.149488] FS: 00007f1118110580(0000) GS:ffff94a17bc80000(0000) knlGS:0000000000000000 # [ 70.158535] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 70.164960] CR2: ffffb34b417cbfff CR3: 00000001050fe000 CR4: 00000000003506e0 # [ 70.172939] Call Trace: # [ 70.175681] ? lkdtm_CORRUPT_LIST_DEL+0xdc/0xdc # [ 70.180752] direct_entry.cold+0x2c/0x38 # [ 70.185147] full_proxy_write+0x56/0x80 # [ 70.189444] vfs_write+0xea/0x390 # [ 70.193152] ksys_write+0x68/0xe0 # [ 70.196863] do_syscall_64+0x33/0x40 # [ 70.200866] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 70.206518] RIP: 0033:0x7f1118038f33 # [ 70.210516] Code: 8b 15 61 ef 0c 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 # [ 70.231509] RSP: 002b:00007fffecad9c18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 70.239964] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007f1118038f33 # [ 70.247[ 70.827262] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING [ 70.840126] lkdtm: attempting bad read from page above current stack [ 70.847284] BUG: stack guard page was hit at 000000002f55f52b (stack is 000000002d325c2e..000000000e812d88) [ 70.858187] kernel stack overflow (page fault): 0000 [#4] SMP PTI [ 70.865006] CPU: 2 PID: 1090 Comm: cat Tainted: G D W 5.10.129-cip12 #1 939] RDX: 0000000000000019 RSI: 00007f1117f29000 RDI: 0000000000[ 70.873666] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 70.886508] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILING+0x27/0x3d [ 70.893130] Code: a4 fd ff 0f 1f 44 00 00 53 48 c7 c7 10 06 2c b8 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 f7 a3 fd ff 48 c7 c7 50 06 2c b8 <8a> 83 00 40 00 00 88 44 24 07 0f b6 74 24 07 5a 5b e9 da a3 fd ff [ 70.914126] RSP: 0018:ffffb34b41837e50 EFLAGS: 00010246 [ 70.919973] RAX: 0000000000000038 RBX: ffffb34b41834000 RCX: 0000000000000000 [ 70.927952] RDX: 0000000000000000 RSI: ffff94a17bd1bf70 RDI: ffffffffb82c0650 [ 70.935931] RBP: ffffffffb82bfd1b R08: 0000000000000000 R09: 0000000000000000 [ 70.943908] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001a [ 70.951887] R13: ffffb34b41837f10 R14: ffffb34b41837f10 R15: ffff94a102acc000 [ 70.959868] FS: 00007f2e0b95e580(0000) GS:ffff94a17bd00000(0000) knlGS:0000000000000000 [ 70.968916] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 70.975342] CR2: ffffb34b41838000 CR3: 000000010511a000 CR4: 00000000003506e0 [ 70.983322] Call Trace: [ 70.986066] ? lkdtm_STACK_GUARD_PAGE_LEADING+0x3a/0x3a [ 70.991915] direct_entry.cold+0x2c/0x38 [ 70.996309] full_proxy_write+0x56/0x80 [ 71.000605] vfs_write+0xea/0x390 [ 71.004313] ksys_write+0x68/0xe0 [ 71.008024] do_syscall_64+0x33/0x40 [ 71.012025] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 71.017676] RIP: 0033:0x7f2e0b886f33 [ 71.021676] Code: 8b 15 61 ef 0c 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 [ 71.042674] RSP: 002b:00007ffde3e87af8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 71.051142] RAX: ffffffffffffffda RBX: 000000000000001a RCX: 00007f2e0b886f33 [ 71.059119] RDX: 000000000000001a RSI: 00007f2e0b777000 RDI: 0000000000000001 [ 71.067099] RBP: 00007f2e0b777000 R08: 00007f2e0b776010 R09: 0000000000000000 [ 71.075076] R10: 00007f2e0b9811c0 R11: 0000000000000246 R12: 0000000000000001 [ 71.083050] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 71.091041] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 71.107022] ---[ end trace 7726a933748a413a ]--- [ 71.112188] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 71.116572] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 19 70 02 [ 71.137563] RSP: 0018:ffffb34b41397e60 EFLAGS: 00010286 [ 71.143404] RAX: ffffffffb72b1b30 RBX: 0000000000000001 RCX: 0000000000000000 [ 71.151381] RDX: 0000000000000000 RSI: ffff94a17bc1bf70 RDI: ffffffffb7ed9a70 [ 71.159357] RBP: ffffffffb831b088 R08: 0000000000000001 R09: 0000000000000001 [ 71.167329] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 71.175302] R13: ffffb34b41397f10 R14: ffffb34b41397f10 R15: ffff94a105f0a000 [ 71.183279] FS: 00007f2e0b95e580(0000) GS:ffff94a17bd00000(0000) knlGS:0000000000000000 [ 71.192319] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 71.198738] CR2: ffffb34b41838000 CR3: 000000010511a000 CR4: 00000000003506e0 [ 71.206720] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 71.216642] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1090, name: cat [ 71.225105] INFO: lockdep is turned off. [ 71.229487] irq event stamp: 0 [ 71.232899] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 71.239917] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 71.249064] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 71.258207] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 71.265212] CPU: 2 PID: 1090 Comm: cat Tainted: G D W 5.10.129-cip12 #1 [ 71.273869] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 71.280486] Call Trace: [ 71.283229] dump_stack+0x77/0x97 [ 71.286940] ___might_sleep.cold+0xa6/0xb6 [ 71.291524] exit_signals+0x1c/0x2d0 [ 71.295522] do_exit+0xd5/0xb00 [ 71.299028] ? ksys_write+0x68/0xe0 [ 71.302931] rewind_stack_do_exit+0x17/0x20 [ 71.307607] RIP: 0033:0x7f2e0b886f33 [ 71.311603] Code: 8b 15 61 ef 0c 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 [ 71.332598] RSP: 002b:00007ffde3e87af8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 71.341063] RAX: ffffffffffffffda RBX: 000000000000001a RCX: 00007f2e0b886f33 [ 71.349038] RDX: 000000000000001a RSI: 00007f2e0b777000 RDI: 0000000000000001 [ 71.357013] RBP: 00007f2e0b777000 R08: 00007f2e0b776010 R09: 0000000000000000 [ 71.364992] R10: 00007f2e0b9811c0 R11: 0000000000000246 R12: 0000000000000001 [ 71.372971] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 000001 # [ 70.255916] RBP: 00007f1117f29000 R08: 00007f1117f28010 R09: 0000000000000000 # [ 70.263896] R10: 00007f11181331c0 R11: 0000000000000246 R12: 0000000000000001 # [ 70.271874] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 70.279862] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 70.295848] ---[ end trace 7726a933748a4139 ]--- # [ 70.301017] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 70.305403] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 19 70 02 # [ 70.326403] RSP: 0018:ffffb34b41397e60 EFLAGS: 00010286 # [ 70.332238] RAX: ffffffffb72b1b30 RBX: 0000000000000001 RCX: 0000000000000000 # [ 70.340216] RDX: 0000000000000000 RSI: ffff94a17bc1bf70 RDI: ffffffffb7ed9a70 # [ 70.348195] RBP: ffffffffb831b088 R08: 0000000000000001 R09: 0000000000000001 # [ 70.356173] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 70.364155] R13: ffffb34b41397f10 R14: ffffb34b41397f10 R15: ffff94a105f0a000 # [ 70.372136] FS: 00007f1118110580(0000) GS:ffff94a17bc80000(0000) knlGS:0000000000000000 # [ 70.381183] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 70.387606] CR2: ffffb34b417cbfff CR3: 00000001050fe000 CR4: 00000000003506e0 # [ 70.395587] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 70.405511] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1057, name: cat # [ 70.413977] INFO: lockdep is turned off. # [ 70.418359] irq event stamp: 0 # [ 70.421773] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 70.428788] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 70.437937] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 70.447084] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 70.454093] CPU: 1 PID: 1057 Comm: cat Tainted: G D W 5.10.129-cip12 #1 # [ 70.462748] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 70.469362] Call Trace: # [ 70.472102] dump_stack+0x77/0x97 # [ 70.475812] ___might_sleep.cold+0xa6/0xb6 # [ 70.480392] exit_signals+0x1c/0x2d0 # [ 70.484389] do_exit+0xd5/0xb00 # [ 70.487899] ? ksys_write+0x68/0xe0 # [ 70.491805] rewind_stack_do_exit+0x17/0x20 # [ 70.496483] RIP: 0033:0x7f1118038f33 # [ 70.500481] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04[ 71.638841] lkdtm: Performing direct entry UNSET_SMEP [ 71.647789] lkdtm: trying to clear SMEP normally [ 71.652993] ------------[ cut here ]------------ 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 f[ 71.658208] pinned CR4 bits changed: 0x100000!? f ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 70.5[ 71.669490] WARNING: CPU: 1 PID: 1126 at arch/x86/kernel/cpu/common.c:392 native_write_cr4+0x41/0x60 21473] RSP: 002b:00007fffecad9c18 EFLAGS: 00000246 ORIG_RAX: 000[ 71.685911] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 71.708113] CPU: 1 PID: 1126 Comm: cat Tainted: G D W 5.10.129-cip12 #1 [ 71.716798] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 71.723439] RIP: 0010:native_write_cr4+0x41/0x60 [ 71.728625] Code: 08 31 00 48 39 c2 75 25 48 85 f6 75 01 c3 80 3d 0a d8 c3 01 00 75 f6 48 c7 c7 08 f8 1f b8 c6 05 fa d7 c3 01 01 e8 85 b7 e0 00 <0f> 0b c3 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09 c7 eb ac 66 [ 71.749632] RSP: 0018:ffffb34b418afe48 EFLAGS: 00010286 [ 71.755502] RAX: 0000000000000000 RBX: 00000000002506e0 RCX: 0000000000000000 [ 71.763504] RDX: ffff94a17bcac660 RSI: ffff94a17bc9bf70 RDI: ffff94a17bc9bf70 [ 71.771512] RBP: ffffffffb82bfd35 R08: 0000000000000000 R09: 0000000000000000 [ 71.779514] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b [ 71.787518] R13: ffffb34b418aff10 R14: ffffb34b418aff10 R15: ffff94a10411b000 [ 71.795521] FS: 00007fb0e8004580(0000) GS:ffff94a17bc80000(0000) knlGS:0000000000000000 [ 71.804593] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 71.811039] CR2: 00007fb0e7e1d000 CR3: 0000000105c62000 CR4: 00000000003506e0 [ 71.819039] Call Trace: [ 71.821809] lkdtm_UNSET_SMEP.cold+0x1d/0x103 [ 71.826712] direct_entry.cold+0x2c/0x38 [ 71.831129] full_proxy_write+0x56/0x80 [ 71.835454] vfs_write+0xea/0x390 [ 71.839178] ksys_write+0x68/0xe0 [ 71.842919] do_syscall_64+0x33/0x40 [ 71.846945] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 71.852621] RIP: 0033:0x7fb0e7f2cf33 [ 71.856645] Code: 8b 15 61 ef 0c 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 [ 71.877669] RSP: 002b:00007ffe72a9ed38 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 71.886160] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007fb0e7f2cf33 [ 71.894172] RDX: 000000000000000b RSI: 00007fb0e7e1d000 RDI: 0000000000000001 [ 71.902179] RBP: 00007fb0e7e1d000 R08: 00007fb0e7e1c010 R09: 0000000000000000 [ 71.910178] R10: 00007fb0e80271c0 R11: 0000000000000246 R12: 0000000000000001 [ 71.918178] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 71.926187] irq event stamp: 0 [ 71.929624] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 71.936658] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 71.945830] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 71.954999] softirqs last disabled at (0): [<0000000000000000>] 0x0 0000000000001 # [ 70.529942] RAX: ffffffffffffffda RBX: 00000[ 71.962026] ---[ end trace 7726a933748a413b ]--- 00000000019 RCX: 00007f1118038f33 # [ 70.537918] RDX: 0000000[ 71.973420] lkdtm: ok: SMEP did not get cleared 000000019 RSI: 00007f1117f29000 RDI: 0000000000000001 # [ 70.[ 71.984705] lkdtm: trying to clear SMEP with call gadget [ 71.996870] lkdtm: ok: SMEP removal was reverted 545895] RBP: 00007f1117f29000 R08: 00007f1117f28010 R09: 0000000000000000 # [ 70.553873] R10: 00007f11181331c0 R11: 0000000000000246 R12: 0000000000000001 # [ 70.561849] 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 # [ 70.827262] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING # [ 70.840126] lkdtm: attempting bad read from page above current stack # [ 70.847284] BUG: stack guard page was hit at 000000002f55f52b (stack is 000000002d325c2e..000000000e812d88) # [ 70.858187] kernel stack overflow (page fault): 0000 [#4] SMP PTI # [ 70.865006] CPU: 2 PID: 1090 Comm: cat Tainted: G D W 5.10.129-cip12 #1 # [ 70.873666] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 70.886508] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILING+0x27/0x3d # [ 70.893130] Code: a4 fd ff 0f 1f 44 00 00 53 48 c7 c7 10 06 2c b8 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 f7 a3 fd ff 48 c7 c7 50 06 2c b8 <8a> 83 00 40 00 00 88 44 24 07 0f b6 74 24 07 5a 5b e9 da a3 fd ff # [ 70.914126] RSP: 0018:ffffb34b41837e50 EFLAGS: 00010246 # [ 70.919973] RAX: 0000000000000038 RBX: ffffb34b41834000 RCX: 0000000000000000 # [ 70.927952] RDX: 0000000000000000 RSI: ffff94a17bd1bf70 RDI: ffffffffb82c0650 # [ 70.935931] RBP: ffffffffb82bfd1b R08: 0000000000000000 R09: 0000000000000000 # [ 70.943908] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001a # [ 70.951887] R13: ffffb34b41837f10 R14: ffffb34b41837f10 R15: ffff94a102acc000 # [ 70.959868] FS: 00007f2e0b95e580(0000) GS:ffff94a17bd00000(0000) knlGS:0000000000000000 # [ 70.968916] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 70.975342] CR2: ffffb34b41838000 CR3: 000000010511a000 CR4: 00000000003506e0 # [ 70.983322] Call Trace: # [ 70.986066] ? lkdtm_STACK_GUARD_PAGE_LEADING+0x3a/0x3a # [ 70.991915] direct_entry.cold+0x2c/0x38 # [ 70.996309] full_proxy_write+0x56/0x80 # [ 71.000605] vfs_write+0xea/0x390 # [ 71.004313] ksys_write+0x68/0xe0 # [ 71.008024] do_syscall_64+0x33/0x40 # [ 71.012025] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 71.017676] RIP: 0033:0x7f2e0b886f33 # [ 71.021676] Code: 8[ 72.226831] lkdtm: Performing direct entry DOUBLE_FAULT [ 72.238065] lkdtm: XFAIL: this test is ia32-only b 15 61 ef 0c 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 # [ 71.042674] RSP: 002b:00007ffde3e87af8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 71.051142] RAX: ffffffffffffffda RBX: 000000000000001a RCX: 00007f2e0b886f33 # [ 71.059119] RDX: 000000000000001a RSI: 00007f2e0b777000 RDI: 0000000000000001 # [ 71.067099] RBP: 00007f2e0b777000 R08: 00007f2e0b776010 R09: 0000000000000000 # [ 71.075076] R10: 00007f2e0b9811c0 R11: 0000000000000246 R12: 0000000000000001 # [ 71.083050] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 71.091041] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 71.107022] ---[ end trace 7726a933748a413a ]--- # [ 71.112188] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 71.116572] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 19 70 02 # [ 71.137563] RSP: 0018:ffffb34b41397e60 EFLAGS: 00010286 # [ 71.143404] RAX: ffffffffb72b1b30 RBX: 0000000000000001 RCX: 0000000000000000 # [ 71.151381] RDX: 0000000000000000 RSI: ffff94a17bc1bf70 RDI: ffffffffb7ed9a70 # [ 71.159357] RBP: ffffffffb831b088 R08: 0000000000000001 R09: 0000000000000001 # [ 71.167329] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 71.175302] R13: ffffb34b41397f10 R14: ffffb34b41397f10 R15: ffff94a105f0a000 # [ 71.183279] FS: 00007f2e0b95e580(0000) GS:ffff94a17bd00000(0000) knlGS:0000000000000000 # [ 71.192319] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 71.198738] CR2: ffffb34b41838000 CR3: 000000010511a000 CR4: 00000000003506e0 # [ 71.206720] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 71.216642] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1090, name: cat # [ 71.225105] INFO: lockdep is turned off. # [ 71.229487] irq event stamp: 0 # [ 71.232899] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 71.239917] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [[ 72.469725] lkdtm: Performing direct entry CORRUPT_PAC [ 72.479174] lkdtm: XFAIL: this test is arm64-only 71.249064] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 71.258207] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 71.265212] CPU: 2 PID: 1090 Comm: cat Tainted: G D W 5.10.129-cip12 #1 # [ 71.273869] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 71.280486] Call Trace: # [ 71.283229] dump_stack+0x77/0x97 # [ 71.286940] ___might_sleep.cold+0xa6/0xb6 # [ 71.291524] exit_signals+0x1c/0x2d0 # [ 71.295522] do_exit+0xd5/0xb00 # [ 71.299028] ? ksys_write+0x68/0xe0 # [ 71.302931] rewind_stack_do_exit+0x17/0x20 # [ 71.307607] RIP: 0033:0x7f2e0b886f33 # [ 71.311603] Code: 8b 15 61 ef 0c 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 # [ 71.332598] RSP: 002b:00007ffde3e87af8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 71.341063] RAX: ffffffffffffffda RBX: 000000000000001a RCX: 00007f2e0b886f33 # [ 71.349038] RDX: 000000000000001a RSI: 00007f2e0b777000 RDI: 0000000000000001 # [ 71.357013] RBP: 00007f2e0b777000 R08: 00007f2e0b776010 R09: 0000000000000000 # [ 71.364992] R10: 00007f2e0b9811c0 R11: 0000000000000246 R12: 0000000000000001 # [ 71.372971] 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 # [ 71.638841] lkdtm: Performing direct entry UNSET_SMEP # [ 71.647789] lkdtm: trying to clear SMEP normally # [ 71.652993] ------------[ cut here ]------------ # [ 71.658208] pinned CR4 bits changed: 0x100000!? # [ 71.669490] WARNING: CPU: 1 PID: 1126 at arch/x86/kernel/cpu/common.c:392 native_write_cr4+0x41/0x60 # [ 71.685911] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 71.708113] CPU: 1 PID: 1126 Comm: cat Tainted: G D W 5.10.129-cip12 #1 # [ 71.716798] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 71.723439] RIP: 0010:native_write_cr4+0x41/0x60 # [ 71.728625] Code: 08 31 00 48 39 c2 75 25 48 85 f6 75 0[ 72.702866] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE [ 72.715635] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS 1 c3 80 3d 0a d8 c3 01 00 75 f6 48 c7 c7 08 f8 1f b8 c6 05 fa d7 c3 01 01 e8 85 b7 e0 00 <0f> 0b c3 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09 c7 eb ac 66 # [ 71.749632] RSP: 0018:ffffb34b418afe48 EFLAGS: 00010286 # [ 71.755502] RAX: 0000000000000000 RBX: 00000000002506e0 RCX: 0000000000000000 # [ 71.763504] RDX: ffff94a17bcac660 RSI: ffff94a17bc9bf70 RDI: ffff94a17bc9bf70 # [ 71.771512] RBP: ffffffffb82bfd35 R08: 0000000000000000 R09: 0000000000000000 # [ 71.779514] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b # [ 71.787518] R13: ffffb34b418aff10 R14: ffffb34b418aff10 R15: ffff94a10411b000 # [ 71.795521] FS: 00007fb0e8004580(0000) GS:ffff94a17bc80000(0000) knlGS:0000000000000000 # [ 71.804593] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 71.811039] CR2: 00007fb0e7e1d000 CR3: 0000000105c62000 CR4: 00000000003506e0 # [ 71.819039] Call Trace: # [ 71.821809] lkdtm_UNSET_SMEP.cold+0x1d/0x103 # [ 71.826712] direct_entry.cold+0x2c/0x38 # [ 71.831129] full_proxy_write+0x56/0x80 # [ 71.835454] vfs_write+0xea/0x390 # [ 71.839178] ksys_write+0x68/0xe0 # [ 71.842919] do_syscall_64+0x33/0x40 # [ 71.846945] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 71.852621] RIP: 0033:0x7fb0e7f2cf33 # [ 71.856645] Code: 8b 15 61 ef 0c 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 # [ 71.877669] RSP: 002b:00007ffe72a9ed38 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 71.886160] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007fb0e7f2cf33 # [ 71.894172] RDX: 000000000000000b RSI: 00007fb0e7e1d000 RDI: 0000000000000001 # [ 71.902179] RBP: 00007fb0e7e1d000 R08: 00007fb0e7e1c010 R09: 0000000000000000 # [ 71.910178] R10: 00007fb0e80271c0 R11: 0000000000000246 R12: 0000000000000001 # [ 71.918178] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 71.926187] irq event stamp: 0 # [ 71.929624] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 71.936658] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 71.945830] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 71.954999] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 71.962026] ---[ end trace 7726a933748a413b ]--- # [ 71.973420] lkdtm: ok: SMEP did not get cleared # [ 71.984705] lkdtm: trying to clear SMEP with call gadget # [ 71.996870] 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 # [ 72.226831] lkdtm: Performing direct entry DOUBLE_FAULT # [ 72.238065] 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 # [ 72.469725] lkdtm: Performing direct entry CORRUPT_PAC # [ 72.479174] 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 # [ 72.702866] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE # [ 72.715635] 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 [ 73.182416] lkdtm: Performing direct entry READ_AFTER_FREE [ 73.188593] lkdtm: Value in memory before free: 12345678 [ 73.194569] lkdtm: Attempting bad read from freed memory [ 73.200538] lkdtm: Memory was not poisoned # [ 73.182416] lkdtm: Performing direct entry READ_AFTER_FREE # [ 73.188593] lkdtm: Value in memory before free: 12345678 # [ 73.194569] lkdtm: Attempting bad read from freed memory # [ 73.200538] 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 [ 73.533566] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE [ 73.540339] lkdtm: Value in memory before free: 12345678 [ 73.546318] lkdtm: Attempting to read from freed memory [ 73.552205] lkdtm: Buddy page was not poisoned # [ 73.533566] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE # [ 73.540339] lkdtm: Value in memory before free: 12345678 # [ 73.546318] lkdtm: Attempting to read from freed memory # [ 73.552205] 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 [ 73.767517] lkdtm: Performing direct entry SLAB_FREE_DOUBLE [ 73.773831] lkdtm: Attempting double slab free ... # [ 73.767517] lkdtm: Performing direct entry SLAB_FREE_DOUBLE # [ 73.773831] 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 [ 73.998934] lkdtm: Performing direct entry SLAB_FREE_CROSS [ 74.005156] lkdtm: Attempting cross-cache slab free ... # [ 73.998934] lkdtm: Performing direct entry SLAB_FREE_CROSS # [ 74.005156] 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 [ 74.213680] lkdtm: Performing direct entry SLAB_FREE_PAGE [ 74.219793] lkdtm: Attempting non-Slab slab free ... # [ 74.213680] lkdtm: Performing direct entry SLAB_FREE_PAGE # [ 74.219793] 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 [ 74.914021] lkdtm: Performing direct entry EXEC_DATA [ 74.919617] lkdtm: attempting ok execution at ffffffffb72b1f00 [ 74.926172] lkdtm: attempting bad execution at ffffffffb99b3560 [ 74.932841] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 74.941211] BUG: unable to handle page fault for address: ffffffffb99b3560 [ 74.948896] #PF: supervisor instruction fetch in kernel mode [ 74.955222] #PF: error_code(0x0011) - permissions violation [ 74.961453] PGD 49229067 P4D 49229067 PUD 4922a063 PMD 800000004a6000e3 [ 74.968962] Oops: 0011 [#5] SMP PTI [ 74.972864] CPU: 3 PID: 1633 Comm: cat Tainted: G D W 5.10.129-cip12 #1 [ 74.981524] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 74.988155] RIP: 0010:data_area+0x0/0x40 [ 74.992543] Code: ff ff 00 f9 84 00 a1 94 ff ff 00 f8 84 00 a1 94 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 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 55 [ 75.013539] RSP: 0018:ffffb34b42017e48 EFLAGS: 00010246 [ 75.019382] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 75.027360] RDX: 0000000000000000 RSI: ffff94a17bd9bf70 RDI: ffff94a17bd9bf70 [ 75.035338] RBP: ffffffffb99b3560 R08: 0000000000000000 R09: 0000000000000000 [ 75.043316] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a [ 75.051295] R13: ffffb34b42017f10 R14: ffffb34b42017f10 R15: ffff94a1031da000 [ 75.059276] FS: 00007f7495ff4580(0000) GS:ffff94a17bd80000(0000) knlGS:0000000000000000 [ 75.068314] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 75.074734] CR2: ffffffffb99b3560 CR3: 00000001034a2000 CR4: 00000000003506e0 [ 75.082710] Call Trace: [ 75.085456] ? execute_location+0x48/0x56 [ 75.089945] ? direct_entry.cold+0x2c/0x38 [ 75.094532] ? full_proxy_write+0x56/0x80 [ 75.099019] ? vfs_write+0xea/0x390 [ 75.102921] ? ksys_write+0x68/0xe0 [ 75.106824] ? do_syscall_64+0x33/0x40 [ 75.111019] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 75.116869] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 75.132848] CR2: ffffffffb99b3560 [ 75.136547] ---[ end trace 7726a933748a413c ]--- [ 75.141716] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 75.146102] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 19 70 02 [ 75.167099] RSP: 0018:ffffb34b41397e60 EFLAGS: 00010286 [ 75.172944] RAX: ffffffffb72b1b30 RBX: 0000000000000001 RCX: 0000000000000000 [ 75.180923] RDX: 0000000000000000 RSI: ffff94a17bc1bf70 RDI: ffffffffb7ed9a70 [ 75.188901] RBP: ffffffffb831b088 R08: 0000000000000001 R09: 0000000000000001 [ 75.196881] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 75.204858] R13: ffffb34b41397f10 R14: ffffb34b41397f10 R15: ffff94a105f0a000 [ 75.212838] FS: 00007f7495ff4580(0000) GS:ffff94a17bd80000(0000) knlGS:0000000000000000 [ 75.221887] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 75.228309] CR2: ffffffffb99b3560 CR3: 00000001034a2000 CR4: 00000000003506e0 [ 75.236291] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 75.246213] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1633, name: cat [ 75.254673] INFO: lockdep is turned off. [ 75.259054] irq event stamp: 0 [ 75.262468] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 75.269469] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 75.278614] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 75.287756] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 75.294763] CPU: 3 PID: 1633 Comm: cat Tainted: G D W 5.10.129-cip12 #1 [ 75.303417] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 75.310033] Call Trace: [ 75.312774] dump_stack+0x77/0x97 [ 75.316485] ___might_sleep.cold+0xa6/0xb6 [ 75.321068] exit_signals+0x1c/0x2d0 [ 75.325066] do_exit+0xd5/0xb00 [ 75.328571] ? ksys_write+0x68/0xe0 [ 75.332476] rewind_stack_do_exit+0x17/0x20 [ 75.337155] RIP: 0033:0x7f7495f1cf33 [ 75.341143] Code: 8b 15 61 ef 0c 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 [ 75.362137] RSP: 002b:00007ffdc88c8978 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 75.370600] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f7495f1cf33 [ 75.378574] RDX: 000000000000000a RSI: 00007f7495e0d000 RDI: 0000000000000001 [ 75.386551] RBP: 00007f7495e0d000 R08: 00007f7495e0c010 R09: 0000000000000000 [ 75.394530] R10: 00007f74960171c0 R11: 0000000000000246 R12: 0000000000000001 [ 75.402508] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # Killed # [ 74.914021] lkdtm: Performing direct entry EXEC_DATA # [ 74.919617] lkdtm: attempting ok execution at ffffffffb72b1f00 # [ 74.926172] lkdtm: attempting bad execution at ffffffffb99b3560 # [ 74.932841] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 74.941211] BUG: unable to handle page fault for address: ffffffffb99b3560 # [ 74.948896] #PF: supervisor instruction fetch in kernel mode # [ 74.955222] #PF: error_code(0x0011) - permissions violation # [ 74.961453] PGD 49229067 P4D 49229067 PUD 4922a063 PMD 800000004a6000e3 # [ 74.968962] Oops: 0011 [#5] SMP PTI # [ 74.972864] CPU: 3 PID: 1633 Comm: cat Tainted: G D W 5.10.129-cip12 #1 # [ 74.981524] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 74.988155] RIP: 0010:data_area+0x0/0x40 # [ 74.992543] Code: ff ff 00 f9 84 00 a1 94 ff ff 00 f8 84 00 a1 94 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 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 55 # [ 75.013539] RSP: 0018:ffffb34b42017e48 EFLAGS: 00010246 # [ 75.019382] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 75.027360] RDX: 0000000000000000 RSI: ffff94a17bd9bf70 RDI: ffff94a17bd9bf70 # [ 75.035338] RBP: ffffffffb99b3560 R08: 0000000000000000 R09: 0000000000000000 # [ 75.043316] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 75.051295] R13: ffffb34b42017f10 R14: ffffb34b42017f10 R15: ffff94a1031da000 # [ 75.059276] FS: 00007f7495ff4580(0000) GS:ffff94a17bd80000(0000) knlGS:0000000000000000 # [ 75.068314] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 75.074734] CR2: ffffffffb99b3560 CR3: 00000001034a2000 CR4: 00000000003506e0 # [ 75.082710] Call Trace: # [ 75.085456] ? execute_location+0x48/0x56 # [ 75.089945] ? direct_entry.cold+0x2c/0x38 # [ 75.094532] ? full_proxy_write+0x56/0x80 # [ 75.099019] ? vfs_write+0xea/0x390 # [ 75.102921] ? ksys_write+0x68/0xe0 # [ 75.106824] ? do_syscall_64+0x33/0x40 # [ 75.111019] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 75.116869] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs cros_ec_lightbar x86_pkg_tem[ 75.676001] lkdtm: Performing direct entry EXEC_STACK [ 75.685483] lkdtm: attempting ok execution at ffffffffb72b1f00 p_thermal cros_ec_dev cros_usbpd_notify # [ 75.132848] CR2: f[ 75.692047] lkdtm: attempting bad execution at ffffb34b4209fe18 fffffffb99b3560 # [ 75.136547] ---[ end trace 7726a933748a413[ 75.704932] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 75.719475] BUG: unable to handle page fault for address: ffffb34b4209fe18 c ]--- # [ 75.141716] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 75.[ 75.727165] #PF: supervisor instruction fetch in kernel mode [ 75.739701] #PF: error_code(0x0011) - permissions violation 146102] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff[ 75.745933] PGD 100000067 P4D 100000067 PUD 100210067 PMD 103606067 PTE 80000001052e2063 [ 75.761193] Oops: 0011 [#6] SMP PTI ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f [ 75.765097] CPU: 0 PID: 1669 Comm: cat Tainted: G D W 5.10.129-cip12 #1 [ 75.779965] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 75.786592] RIP: 0010:0xffffb34b4209fe18 [ 75.790980] Code: 00 00 18 fe 09 42 4b b3 ff ff ad 6d 8f b7 ff ff ff ff 20 00 00 00 00 00 00 00 5e fe 2b b8 ff ff ff ff d9 6e 8f b7 ff ff ff ff <0f> 1f 44 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 55 [ 75.811980] RSP: 0018:ffffb34b4209fdf8 EFLAGS: 00010246 [ 75.817825] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 75.825805] RDX: 0000000000000000 RSI: ffff94a17bc1bf70 RDI: ffff94a17bc1bf70 [ 75.833784] RBP: ffffb34b4209fe18 R08: 0000000000000000 R09: 0000000000000000 [ 75.841764] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b [ 75.849743] R13: ffffb34b4209ff10 R14: ffffb34b4209ff10 R15: ffff94a104a29000 [ 75.857722] FS: 00007f1e8340e580(0000) GS:ffff94a17bc00000(0000) knlGS:0000000000000000 [ 75.866770] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 75.873192] CR2: ffffb34b4209fe18 CR3: 000000010344c000 CR4: 00000000003506f0 [ 75.881169] Call Trace: [ 75.883915] ? execute_location+0x48/0x56 [ 75.888406] ? lkdtm_EXEC_STACK+0x26/0x40 [ 75.892894] ? direct_entry.cold+0x2c/0x38 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83[ 75.897481] ? full_proxy_write+0x56/0x80 [ 75.908162] ? vfs_write+0xea/0x390 [ 75.912062] ? ksys_write+0x68/0xe0 [ 75.915965] ? do_syscall_64+0x33/0x40 [ 75.920156] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 05 e0 19 70 02 # [ 75.167099] RSP: 0018:ffffb34b41397e60 EFL[ 75.925999] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 75.948192] CR2: ffffb34b4209fe18 [ 75.951901] ---[ end trace 7726a933748a413d ]--- [ 75.957069] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 75.961454] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 19 70 02 [ 75.982449] RSP: 0018:ffffb34b41397e60 EFLAGS: 00010286 [ 75.988293] RAX: ffffffffb72b1b30 RBX: 0000000000000001 RCX: 0000000000000000 [ 75.996272] RDX: 0000000000000000 RSI: ffff94a17bc1bf70 RDI: ffffffffb7ed9a70 [ 76.004250] RBP: ffffffffb831b088 R08: 0000000000000001 R09: 0000000000000001 [ 76.012228] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 76.020207] R13: ffffb34b41397f10 R14: ffffb34b41397f10 R15: ffff94a105f0a000 [ 76.028183] FS: 00007f1e8340e580(0000) GS:ffff94a17bc00000(0000) knlGS:0000000000000000 [ 76.037229] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 76.043653] CR2: ffffb34b4209fe18 CR3: 000000010344c000 CR4: 00000000003506f0 [ 76.051634] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 76.061549] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1669, name: cat AGS: 00010286 # [ 75.172944] RAX: ffffffffb72b1b30 RBX: 00000[ 76.070013] INFO: lockdep is turned off. [ 76.080611] irq event stamp: 0 [ 76.084024] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 76.091035] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 76.100181] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 76.109326] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 76.116337] CPU: 0 PID: 1669 Comm: cat Tainted: G D W 5.10.129-cip12 #1 [ 76.124995] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 76.131611] Call Trace: [ 76.134357] dump_stack+0x77/0x97 [ 76.138069] ___might_sleep.cold+0xa6/0xb6 [ 76.142651] exit_signals+0x1c/0x2d0 [ 76.146649] do_exit+0xd5/0xb00 [ 76.150154] ? ksys_write+0x68/0xe0 [ 76.154056] rewind_stack_do_exit+0x17/0x20 [ 76.158730] RIP: 0033:0x7f1e83336f33 [ 76.162727] Code: 8b 15 61 ef 0c 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 [ 76.183718] RSP: 002b:00007ffe44dc7d28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 76.192186] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f1e83336f33 [ 76.200165] RDX: 000000000000000b RSI: 00007f1e83227000 RDI: 0000000000000001 [ 76.208142] RBP: 00007f1e83227000 R08: 00007f1e83226010 R09: 0000000000000000 [ 76.216119] R10: 00007f1e834311c0 R11: 0000000000000246 R12: 0000000000000001 [ 76.224098] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 00000000001 RCX: 0000000000000000 # [ 75.180923] RDX: 0000000000000000 RSI: ffff94a17bc1bf70 RDI: ffffffffb7ed9a70 # [ 75.188901] RBP: ffffffffb831b088 R08: 0000000000000001 R09: 0000000000000001 # [ 75.196881] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 75.204858] R13: ffffb34b41397f10 R14: ffffb34b41397f10 R15: ffff94a105f0a000 # [ 75.212838] FS: 00007f7495ff4580(0000) GS:ffff94a17bd80000(0000) knlGS:0000000000000000 # [ 75.221887] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 75.228309] CR2: ffffffffb99b3560 CR3: 00000001034a2000 CR4: 00000000003506e0 # [ 75.236291] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 75.246213] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1633, name: cat # [ 75.254673] INFO: lockdep is turned off. # [ 75.259054] irq event stamp: 0 # [ 75.262468] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 75.269469] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 75.278614] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 75.287756] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 75.294763] CPU: 3 PID: 1633 Comm: cat Tainted: G D W 5.10.129-cip12 #1 # [ 75.303417] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 75.310033] Call Trace: # [ 75.312774] dump_stack+0x77/0x97 # [ 75.316485] ___might_sleep.cold+0xa6/0xb6 # [ 75.321068] exit_signals+0x1c/0x2d0 # [ 75.325066] do_exit+0xd5/0xb00 # [ 75.328571] ? ksys_write+0x68/0xe0 # [ 75.332476] rewind_stack_do_exit+0x17/0x20 # [ 75.337155] RIP: 0033:0x7f7495f1cf33 # [ 75.341143] Code: 8b 15 61 ef 0c 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 # [ 75.362137] RSP: 002b:00007ffdc88c8978 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 75.370600] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f7495f1cf33 # [ 75.378574] RDX: 000000000000000a RSI: 00007f7495e0d000 RDI: 0000000000000001 # [ 75.386551] RBP: 00007f7495e0d000 R08: 00007f7495e0c010 R09: 0000000000000000 # [ 75.394530] R10: 00007f74960171c0 R11: 0000000000000246 R12: 0000000000000001 # [ 75.402508] 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 # [ 75.676001] lkdtm: Performing direct entry EXEC_STACK # [ 75.685483] lkdtm: attempting ok execution at ffffffffb72b1f00 # [ 75.692047] lkdtm: attempting bad executi[ 76.495552] lkdtm: Performing direct entry EXEC_KMALLOC [ 76.505352] lkdtm: attempting ok execution at ffffffffb72b1f00 [ 76.511915] lkdtm: attempting bad execution at ffff94a103fcfc00 on at ffffb34b4209fe18 # [ 75.704932] kernel tried to execute[ 76.518576] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 76.533132] BUG: unable to handle page fault for address: ffff94a103fcfc00 NX-protected page - exploit attempt? (uid: 0) # [ 75.719475][ 76.540822] #PF: supervisor instruction fetch in kernel mode [ 76.553357] #PF: error_code(0x0011) - permissions violation [ 76.559587] PGD 4a801067 P4D 4a801067 PUD 10089d063 PMD 10505c063 PTE 8000000103fcf163 [ 76.568459] Oops: 0011 [#7] SMP PTI BUG: unable to handle page fault for address: ffffb34b4209fe18[ 76.572362] CPU: 1 PID: 1705 Comm: cat Tainted: G D W 5.10.129-cip12 #1 [ 76.587236] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 76.593859] RIP: 0010:0xffff94a103fcfc00 [ 76.598248] Code: 00 00 02 00 00 00 00 00 00 00 e0 a7 1c 05 a1 94 ff ff 04 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 bb b6 af b6 ff ff ff ff <0f> 1f 44 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 55 [ 76.619242] RSP: 0018:ffffb34b42147e38 EFLAGS: 00010246 [ 76.625085] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 76.633064] RDX: 0000000000000000 RSI: ffff94a17bc9bf70 RDI: ffff94a17bc9bf70 [ 76.641043] RBP: ffff94a103fcfc00 R08: 0000000000000000 R09: 0000000000000000 [ 76.649018] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d [ 76.656993] R13: ffffb34b42147f10 R14: ffffb34b42147f10 R15: ffff94a103fa2000 [ 76.664972] FS: 00007faa4de7c580(0000) GS:ffff94a17bc80000(0000) knlGS:0000000000000000 [ 76.674021] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 76.680447] CR2: ffff94a103fcfc00 CR3: 0000000102644000 CR4: 00000000003506e0 [ 76.688425] Call Trace: [ 76.691172] ? execute_location+0x48/0x56 [ 76.695662] ? lkdtm_EXEC_KMALLOC+0x2c/0x40 [ 76.700342] ? direct_entry.cold+0x2c/0x38 [ 76.704918] ? full_proxy_write+0x56/0x80 [ 76.709404] ? vfs_write+0xea/0x390 [ 76.713303] ? ksys_write+0x68/0xe0 [ 76.717205] ? do_syscall_64+0x33/0x40 [ 76.721396] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 76.727246] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 76.743220] CR2: ffff94a103fcfc00 [ 76.746928] ---[ end trace 7726a933748a413e ]--- [ 76.752091] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 76.756477] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 19 70 02 [ 76.777474] RSP: 0018:ffffb34b41397e60 EFLAGS: 00010286 [ 76.783318] RAX: ffffffffb72b1b30 RBX: 0000000000000001 RCX: 0000000000000000 [ 76.791296] RDX: 0000000000000000 RSI: ffff94a17bc1bf70 RDI: ffffffffb7ed9a70 [ 76.799273] RBP: ffffffffb831b088 R08: 0000000000000001 R09: 0000000000000001 [ 76.807253] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 76.815230] R13: ffffb34b41397f10 R14: ffffb34b41397f10 R15: ffff94a105f0a000 [ 76.823207] FS: 00007faa4de7c580(0000) GS:ffff94a17bc80000(0000) knlGS:0000000000000000 [ 76.832253] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 76.838677] CR2: ffff94a103fcfc00 CR3: 0000000102644000 CR4: 00000000003506e0 # [ 75.727165] #PF: supervisor instruction fetch in kernel mode # [ 75.739701] #PF: error_code(0x0011) - permissions violation # [ 75.745933] PGD 100000067 P4D 100000067 PUD 100210067 PMD 103606067 PTE 80000001052e2063 # [ 75.761193] Oops: 0011 [#6] SMP PTI # [ 75.765097] CPU: 0 PID: 1669 Comm: cat Tainted: G D W 5.10.129-cip12 #1 # [ 75.779965] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 75.786592] RIP: 0010:0xffffb34b4209fe18 # [ 75.790980] Code: 00 00 18 fe 09 42 4b b3 ff ff ad 6d 8f b7 ff ff ff ff 20 00 00 00 00 00 00 00 5e fe 2b b8 ff ff ff ff d9 6e 8f b7 ff ff ff ff <0f> 1f 44 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 55 # [ 75.811980] RSP: 0018:ffffb34b4209fdf8 EFLAGS: 00010246 # [ 75.817825] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 75.825805] RDX: 0000000000000000 RSI: ffff94a17bc1bf70 RDI: ffff94a17bc1bf70 # [ 75.833784] RBP: ffffb34b4209fe18 R08: 0000000000000000 R09: 0000000000000000 # [ 75.841764] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b # [ 75.849743] R13: ffffb34b4209ff10 R14: ffffb34b4209ff10 R15: ffff94a104a29000 # [ 75.857722] FS: 00007f1e8340e580(0000) GS:ffff94a17bc00000(0000) knlGS:0000000000000000 # [ 75.866770] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 75.873192] CR2: ffffb34b4209fe18 CR3: 000000010344c000 CR4: 00000000003506f0 # [ 75.881169] Call Trace: # [ 75.883915] ? execute_location+0x48/0x56 # [ 75.888406] ? lkdtm_EXEC_STACK+0x26/0x40 # [ 75.892894] ? direct_entry.cold+0x2c/0x38 # [ 75.897481] ? full_proxy_write+0x56/0x80 # [ 75.908162] ? vfs_write+0xea/0x390 # [ 75.912062] ? ksys_write+0x68/0xe0 # [ 75.915965] ? do_syscall_64+0x33/0x40 # [ 75.920156] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 75.925999] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 75.948192] CR2: ffffb34b4209fe18 # [ 75.951901] ---[ end trace 7726a933748a413d ]--- # [ 75.957069] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 75.961454] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 19 70 02 # [ 75.982449] RSP: 0018:ffffb34b41397e60 EFLAGS: 00010286 # [ 75.988293] RAX: ffffffffb72b1b30 RBX: 0000000000000001 RCX: 00[ 77.087736] lkdtm: Performing direct entry EXEC_VMALLOC 00000000000000 # [ 75.996272] RDX: 0000000000000000 RSI: ffff[ 77.095176] lkdtm: attempting ok execution at ffffffffb72b1f00 94a17bc1bf70 RDI: ffffffffb7ed9a70 # [ 76.004250] RBP: ffffff[ 77.107938] lkdtm: attempting bad execution at ffffb34b406d7000 ffb831b088 R08: 0000000000000001 R09: 0000000000000001 # [ 76[ 77.120802] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 77.135310] BUG: unable to handle page fault for address: ffffb34b406d7000 [ 77.142999] #PF: supervisor instruction fetch in kernel mode [ 77.149325] #PF: error_code(0x0011) - permissions violation [ 77.155556] PGD 100000067 P4D 100000067 PUD 100210067 PMD 105f66067 PTE 8000000103f60063 [ 77.164621] Oops: 0011 [#8] SMP PTI [ 77.168522] CPU: 3 PID: 1741 Comm: cat Tainted: G D W 5.10.129-cip12 #1 [ 77.177183] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 77.183806] RIP: 0010:0xffffb34b406d7000 [ 77.188195] Code: Unable to access opcode bytes at RIP 0xffffb34b406d6fd6. [ 77.195882] RSP: 0018:ffffb34b421bfe38 EFLAGS: 00010246 [ 77.201725] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 77.209702] RDX: 0000000000000000 RSI: ffff94a17bd9bf70 RDI: ffff94a17bd9bf70 [ 77.217681] RBP: ffffb34b406d7000 R08: 0000000000000000 R09: 0000000000000000 [ 77.225661] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d [ 77.233638] R13: ffffb34b421bff10 R14: ffffb34b421bff10 R15: ffff94a103f60000 [ 77.241614] FS: 00007f09915fa580(0000) GS:ffff94a17bd80000(0000) knlGS:0000000000000000 [ 77.250659] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 77.257081] CR2: ffffb34b406d6fd6 CR3: 0000000103672000 CR4: 00000000003506e0 [ 77.265057] Call Trace: [ 77.267804] ? execute_location+0x48/0x56 [ 77.272291] ? lkdtm_EXEC_VMALLOC+0x20/0x30 [ 77.276969] ? direct_entry.cold+0x2c/0x38 [ 77.281556] ? full_proxy_write+0x56/0x80 [ 77.286043] ? vfs_write+0xea/0x390 [ 77.289944] ? ksys_write+0x68/0xe0 [ 77.293845] ? do_syscall_64+0x33/0x40 [ 77.298029] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 77.303879] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 77.319856] CR2: ffffb34b406d7000 [ 77.323565] ---[ end trace 7726a933748a413f ]--- [ 77.328731] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 77.333116] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 19 70 02 [ 77.354114] RSP: 0018:ffffb34b41397e60 EFLAGS: 00010286 [ 77.359958] RAX: ffffffffb72b1b30 RBX: 0000000000000001 RCX: 0000000000000000 [ 77.367936] RDX: 0000000000000000 RSI: ffff94a17bc1bf70 RDI: ffffffffb7ed9a70 [ 77.375913] RBP: ffffffffb831b088 R08: 0000000000000001 R09: 0000000000000001 [ 77.383889] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 77.391869] R13: ffffb34b41397f10 R14: ffffb34b41397f10 R15: ffff94a105f0a000 [ 77.399847] FS: 00007f09915fa580(0000) GS:ffff94a17bd80000(0000) knlGS:0000000000000000 [ 77.408895] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 77.415321] CR2: ffffb34b406d6fd6 CR3: 0000000103672000 CR4: 00000000003506e0 [ 77.423302] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 77.433225] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1741, name: cat [ 77.441689] INFO: lockdep is turned off. [ 77.446071] irq event stamp: 0 [ 77.449484] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 77.456496] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 77.465643] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 77.474789] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 77.481799] CPU: 3 PID: 1741 Comm: cat Tainted: G D W 5.10.129-cip12 #1 [ 77.490456] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 77.497073] Call Trace: [ 77.499815] dump_stack+0x77/0x97 [ 77.503525] ___might_sleep.cold+0xa6/0xb6 [ 77.508108] exit_signals+0x1c/0x2d0 [ 77.512106] do_exit+0xd5/0xb00 [ 77.515619] ? ksys_write+0x68/0xe0 [ 77.519524] rewind_stack_do_exit+0x17/0x20 [ 77.524204] RIP: 0033:0x7f0991522f33 [ 77.528202] Code: 8b 15 61 ef 0c 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 [ 77.549192] RSP: 002b:00007fff915e2528 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 77.557658] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007f0991522f33 [ 77.565638] RDX: 000000000000000d RSI: 00007f0991413000 RDI: 0000000000000001 [ 77.573616] RBP: 00007f0991413000 R08: 00007f0991412010 R09: 0000000000000000 [ 77.581595] R10: 00007f099161d1c0 R11: 0000000000000246 R12: 0000000000000001 [ 77.589571] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 .012228] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 76.020207] R13: ffffb34b41397f10 R14: ffffb34b41397f10 R15: ffff94a105f0a000 # [ 76.028183] FS: 00007f1e8340e580(0000) GS:ffff94a17bc00000(0000) knlGS:0000000000000000 # [ 76.037229] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 76.043653] CR2: ffffb34b4209fe18 CR3: 000000010344c000 CR4: 00000000003506f0 # [ 76.051634] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 76.061549] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1669, name: cat # [ 76.070013] INFO: lockdep is turned off. # [ 76.080611] irq event stamp: 0 # [ 76.084024] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 76.091035] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 76.100181] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 76.109326] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 76.116337] CPU: 0 PID: 1669 Comm: cat Tainted: G D W 5.10.129-cip12 #1 # [ 76.124995] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 76.131611] Call Trace: # [ 76.134357] dump_stack+0x77/0x97 # [ 76.138069] ___might_sleep.cold+0xa6/0xb6 # [ 76.142651] exit_signals+0x1c/0x2d0 # [ 76.146649] do_exit+0xd5/0xb00 # [ 76.150154] ? ksys_write+0x68/0xe0 # [ 76.154056] rewind_stack_do_exit+0x17/0x20 # [ 76.158730] RIP: 0033:0x7f1e83336f33 # [ 76.162727] Code: 8b 15 61 ef 0c 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 # [ 76.183718] RSP: 002b:00007ffe44dc7d28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 76.192186] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f1e83336f33 # [ 76.200165] RDX: 000000000000000b RSI: 00007f1e83227000 RDI: 0000000000000001 # [ 76.208142] RBP: 00007f1e83227000 R08: 00007f1e83226010 R09: 0000000000000000 # [ 76.216119] R10: 00007f1e834311c0 R11: 0000000000000246 R12: 0000000000000001 # [ 76.224098] 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 # [ 76.495552] lkdtm: Performing direct entry EXEC_KMALLOC # [ 76.505352] lkdtm: attempting ok execution at ffffffffb72b1f00 # [ 76.511915] lkdtm: attempting bad execution at ffff94a103fcfc00 # [ 76.518576] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 76.533132] BUG: unable to handle page fault for address: ffff94a103fcfc00 # [ 76.540822] #PF: supervisor instruction fetch in kernel mode # [ 76.553357] #PF: error_code(0x0011) - permissions violation # [ 76.559587] PGD 4a801067 P4D 4a801067 PUD 10089d063 PMD 10505c063 PTE 8000000103fcf163 # [ 76.568459] Oops: 0011 [#7] SMP PTI # [ 76.572362] CPU: 1 PID: 1705 Comm: cat Tainted: G D W [ 77.893377] lkdtm: Performing direct entry EXEC_RODATA [ 77.901865] lkdtm: attempting ok execution at ffffffffb72b1f00 [ 77.908448] lkdtm: attempting bad execution at ffffffffb7ed9f00 5.10.129-cip12 #1 # [ 76.587236] Hardware name: Googl[ 77.915115] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 77.929696] BUG: unable to handle page fault for address: ffffffffb7ed9f00 [ 77.937384] #PF: supervisor instruction fetch in kernel mode [ 77.943711] #PF: error_code(0x0011) - permissions violation [ 77.949942] PGD 49229067 P4D 49229067 PUD 4922a063 PMD 8000000048c001e1 e Coral/Coral, BIOS 09/29/2020 # [ 76.593859] RIP: 0010:0xff[ 77.957446] Oops: 0011 [#9] SMP PTI [ 77.967559] CPU: 1 PID: 1777 Comm: cat Tainted: G D W 5.10.129-cip12 #1 ff94a103fcfc00 # [ 76.598248] Code: 00 00 02 00 00 00 00 00 0[ 77.976218] Hardware name: Google Coral/Coral, BIOS 09/29/2020 0 00 e0 a7 1c 05 a1 94 ff ff 04 00 00 00 00 00 00 00 00 00 00 00[ 77.989051] RIP: 0010:lkdtm_rodata_do_nothing+0x0/0x10 [ 78.001013] Code: ff ff d9 82 8f b7 ff ff ff ff aa 00 2c b8 ff ff ff ff 8f 6a 8f b7 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 [ 78.022011] RSP: 0018:ffffb34b42247e48 EFLAGS: 00010246 [ 78.027856] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 [ 78.035838] RDX: 0000000000000000 RSI: ffff94a17bc9bf70 RDI: ffff94a17bc9bf70 [ 78.043817] RBP: ffffffffb7ed9f00 R08: 0000000000000000 R09: 0000000000000000 [ 78.051796] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c [ 78.059775] R13: ffffb34b42247f10 R14: ffffb34b42247f10 R15: ffff94a103611000 [ 78.067754] FS: 00007f0c882f9580(0000) GS:ffff94a17bc80000(0000) knlGS:0000000000000000 [ 78.076800] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 78.083223] CR2: ffffffffb7ed9f00 CR3: 000000010354a000 CR4: 00000000003506e0 [ 78.091200] Call Trace: [ 78.093942] ? execute_location+0x48/0x56 [ 78.098428] ? direct_entry.cold+0x2c/0x38 [ 78.103014] ? full_proxy_write+0x56/0x80 [ 78.107502] ? vfs_write+0xea/0x390 [ 78.111402] ? ksys_write+0x68/0xe0 [ 78.115304] ? do_syscall_64+0x33/0x40 [ 78.119489] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 78.125338] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 78.141317] CR2: ffffffffb7ed9f00 [ 78.145027] ---[ end trace 7726a933748a4140 ]--- [ 78.150195] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 78.154579] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 19 70 02 [ 78.175575] RSP: 0018:ffffb34b41397e60 EFLAGS: 00010286 [ 78.181416] RAX: ffffffffb72b1b30 RBX: 0000000000000001 RCX: 0000000000000000 [ 78.189394] RDX: 0000000000000000 RSI: ffff94a17bc1bf70 RDI: ffffffffb7ed9a70 [ 78.197374] RBP: ffffffffb831b088 R08: 0000000000000001 R09: 0000000000000001 [ 78.205353] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 78.213331] R13: ffffb34b41397f10 R14: ffffb34b41397f10 R15: ffff94a105f0a000 [ 78.221310] FS: 00007f0c882f9580(0000) GS:ffff94a17bc80000(0000) knlGS:0000000000000000 [ 78.230355] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 78.236778] CR2: ffffffffb7ed9f00 CR3: 000000010354a000 CR4: 00000000003506e0 00 00 00 00 bb b6 af b6 ff ff ff ff <0f> 1f 44 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 55 # [ 76.619242] RSP: 0018:ffffb34b42147e38 EFLAGS: 00010246 # [ 76.625085] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 76.633064] RDX: 0000000000000000 RSI: ffff94a17bc9bf70 RDI: ffff94a17bc9bf70 # [ 76.641043] RBP: ffff94a103fcfc00 R08: 0000000000000000 R09: 0000000000000000 # [ 76.649018] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d # [ 76.656993] R13: ffffb34b42147f10 R14: ffffb34b42147f10 R15: ffff94a103fa2000 # [ 76.664972] FS: 00007faa4de7c580(0000) GS:ffff94a17bc80000(0000) knlGS:0000000000000000 # [ 76.674021] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 76.680447] CR2: ffff94a103fcfc00 CR3: 0000000102644000 CR4: 00000000003506e0 # [ 76.688425] Call Trace: # [ 76.691172] ? execute_location+0x48/0x56 # [ 76.695662] ? lkdtm_EXEC_KMALLOC+0x2c/0x40 # [ 76.700342] ? direct_entry.cold+0x2c/0x38 # [ 76.704918] ? full_proxy_write+0x56/0x80 # [ 76.709404] ? vfs_write+0xea/0x390 # [ 76.713303] ? ksys_write+0x68/0xe0 # [ 76.717205] ? do_syscall_64+0x33/0x40 # [ 76.721396] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 76.727246] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 76.743220] CR2: ffff94a103fcfc00 # [ 76.746928] ---[ end trace 7726a933748a413e ]--- # [ 76.752091] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 76.756477] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 19 70 02 # [ 76.777474] RSP: 0018:ffffb34b41397e60 EFLAGS: 00010286 # [ 76.783318] RAX: ffffffffb72b1b30 RBX: 0000000000000001 RCX: 0000000000000000 # [ 76.791296] RDX: 0000000000000000 RSI: ffff94a17bc1bf70 RDI: ffffffffb7ed9a70 # [ 76.799273] RBP: ffffffffb831b088 R08: 0000000000000001 R09: 0000000000000001 # [ 76.807253] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 76.815230] R13: ffffb34b41397f10 R14: ffffb34b41397f10 R15: ffff94a105f0a000 # [ 76.823207] FS: 00007faa4de7c580(0000) GS:ffff94a17bc80000(0000) knlGS:0000000000000000 # [ 76.832253] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 76.838677] CR2: ffff94a103fcfc00 CR3: 0000000102644000 CR4: 00000000003506e0 # EXEC_KMALLOC: saw 'call trace:': ok ok 32 selftests: lkdtm: EXEC_KMALLOC.sh # selftests: lkdtm: EXEC_VMALLOC.sh # Killed # [ 77.087736] lkdtm: Performing direct entry EXEC_VMALLOC # [ 77.095176] lkdtm: attempting ok execution at ffffff[ 78.508700] lkdtm: Performing direct entry EXEC_USERSPACE ffb72b1f00 # [ 77.107938] lkdtm: attempting bad execution at [ 78.518259] lkdtm: attempting ok execution at ffffffffb72b1f00 ffffb34b406d7000 # [ 77.120802] kernel tried to execute NX-pr[ 78.531069] lkdtm: attempting bad execution at 00007f7896eb6000 otected page - exploit attempt? (uid: 0) # [ 77.135310] BUG: [ 78.543900] unable to execute userspace code (SMEP?) (uid: 0) [ 78.556519] BUG: unable to handle page fault for address: 00007f7896eb6000 [ 78.564207] #PF: supervisor instruction fetch in kernel mode [ 78.570532] #PF: error_code(0x0011) - permissions violation [ 78.576764] PGD 8000000105133067 P4D 8000000105133067 PUD 102abb067 PMD 103ff1067 PTE 113575067 [ 78.586507] Oops: 0011 [#10] SMP PTI [ 78.590496] CPU: 0 PID: 1813 Comm: cat Tainted: G D W 5.10.129-cip12 #1 [ 78.599152] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 78.605776] RIP: 0010:0x7f7896eb6000 [ 78.609772] Code: Unable to access opcode bytes at RIP 0x7f7896eb5fd6. [ 78.617070] RSP: 0018:ffffb34b422cfe50 EFLAGS: 00010246 [ 78.622905] RAX: 0000000000000033 RBX: 0000000000000024 RCX: 0000000000000000 [ 78.630882] RDX: 0000000000000000 RSI: ffff94a17bc1bf70 RDI: ffff94a17bc1bf70 [ 78.638859] RBP: 00007f7896eb6000 R08: 0000000000000000 R09: 0000000000000000 [ 78.646836] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000f [ 78.654812] R13: ffffb34b422cff10 R14: ffffb34b422cff10 R15: ffff94a103425000 [ 78.662789] FS: 00007f7896e87580(0000) GS:ffff94a17bc00000(0000) knlGS:0000000000000000 [ 78.671834] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 78.678256] CR2: 00007f7896eb6000 CR3: 00000001028ea000 CR4: 00000000003506f0 [ 78.686230] Call Trace: [ 78.688977] ? lkdtm_EXEC_USERSPACE.cold+0x69/0xae [ 78.694339] ? direct_entry.cold+0x2c/0x38 [ 78.698926] ? full_proxy_write+0x56/0x80 [ 78.703413] ? vfs_write+0xea/0x390 [ 78.707313] ? ksys_write+0x68/0xe0 [ 78.711216] ? do_syscall_64+0x33/0x40 [ 78.715408] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 unable to handle page fault for address: ffffb34b406d7000 # [ [ 78.721258] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 78.743446] CR2: 00007f7896eb6000 [ 78.747152] ---[ end trace 7726a933748a4141 ]--- [ 78.752314] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 78.756689] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 19 70 02 [ 78.777683] RSP: 0018:ffffb34b41397e60 EFLAGS: 00010286 [ 78.783517] RAX: ffffffffb72b1b30 RBX: 0000000000000001 RCX: 0000000000000000 [ 78.791496] RDX: 0000000000000000 RSI: ffff94a17bc1bf70 RDI: ffffffffb7ed9a70 [ 78.799474] RBP: ffffffffb831b088 R08: 0000000000000001 R09: 0000000000000001 [ 78.807449] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 78.815424] R13: ffffb34b41397f10 R14: ffffb34b41397f10 R15: ffff94a105f0a000 [ 78.823400] FS: 00007f7896e87580(0000) GS:ffff94a17bc00000(0000) knlGS:0000000000000000 [ 78.832447] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 78.838872] CR2: 00007f7896eb6000 CR3: 00000001028ea000 CR4: 00000000003506f0 [ 78.846853] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 77.142999] #PF: supervisor instruction fetch in kernel mode # [ 78.856776] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1813, name: cat [ 78.871448] INFO: lockdep is turned off. [ 78.875831] irq event stamp: 0 [ 78.879244] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 78.886260] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 78.895407] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 78.904551] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 78.911560] CPU: 0 PID: 1813 Comm: cat Tainted: G D W 5.10.129-cip12 #1 [ 78.920216] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 78.926832] Call Trace: [ 78.929576] dump_stack+0x77/0x97 [ 78.933288] ___might_sleep.cold+0xa6/0xb6 [ 78.937872] exit_signals+0x1c/0x2d0 [ 78.941870] do_exit+0xd5/0xb00 [ 78.945384] ? ksys_write+0x68/0xe0 [ 78.949287] rewind_stack_do_exit+0x17/0x20 [ 78.953963] RIP: 0033:0x7f7896daff33 [ 78.957959] Code: 8b 15 61 ef 0c 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 [ 78.978947] RSP: 002b:00007ffc443d3388 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 78.987414] RAX: ffffffffffffffda RBX: 000000000000000f RCX: 00007f7896daff33 [ 78.995389] RDX: 000000000000000f RSI: 00007f7896ca0000 RDI: 0000000000000001 [ 79.003365] RBP: 00007f7896ca0000 R08: 00007f7896c9f010 R09: 0000000000000000 [ 79.011341] R10: 00007f7896eaa1c0 R11: 0000000000000246 R12: 0000000000000001 [ 79.019314] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 77.149325] #PF: error_code(0x0011) - permissions violation # [ 77.155556] PGD 100000067 P4D 100000067 PUD 100210067 PMD 105f66067 PTE 8000000103f60063 # [ 77.164621] Oops: 0011 [#8] SMP PTI # [ 77.168522] CPU: 3 PID: 1741 Comm: cat Tainted: G D W 5.10.129-cip12 #1 # [ 77.177183] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 77.183806] RIP: 0010:0xffffb34b406d7000 # [ 77.188195] Code: Unable to access opcode bytes at RIP 0xffffb34b406d6fd6. # [ 77.195882] RSP: 0018:ffffb34b421bfe38 EFLAGS: 00010246 # [ 77.201725] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 77.209702] RDX: 0000000000000000 RSI: ffff94a17bd9bf70 RDI: ffff94a17bd9bf70 # [ 77.217681] RBP: ffffb34b406d7000 R08: 0000000000000000 R09: 0000000000000000 # [ 77.225661] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d # [ 77.233638] R13: ffffb34b421bff10 R14: ffffb34b421bff10 R15: ffff94a103f60000 # [ 77.241614] FS: 00007f09915fa580(0000) GS:ffff94a17bd80000(0000) knlGS:0000000000000000 # [ 77.250659] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 77.257081] CR2: ffffb34b406d6fd6 CR3: 0000000103672000 CR4: 00000000003506e0 # [ 77.265057] Call Trace: # [ 77.267804] ? execute_location+0x48/0x56 # [ 77.272291] ? lkdtm_EXEC_VMALLOC+0x20/0x30 # [ 77.276969] ? direct_entry.cold+0x2c/0x38 # [ 77.281556] ? full_proxy_write+0x56/0x80 # [ 77.286043] ? vfs_write+0xea/0x390 # [ 77.289944] ? ksys_write+0x68/0xe0 # [ 77.293845] ? do_syscall_64+0x33/0x40 # [ 77.298029] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 77.303879] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 77.319856] CR2: ffffb34b406d7000 # [ 77.323565] ---[ end trace 7726a933748a413f ]--- # [ 77.328731] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 77.333116] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 19 70 02 # [ 77.354114] RSP: 0018:ffffb34b41397e60 EFLAGS: 00010286 # [ 77.359958] RAX: ffffffffb72b1b30 RBX: 0000000000000001 RCX: 0000000000000000 # [ 77.367936] RDX: 0000000000000000 RSI: ffff94a17bc1bf70 RDI: ffffffffb7ed9a70 # [ 77.375913] RBP: ffffffffb831b088 R08: 0000000000000001 R09: 0000000000000001 # [ 77.383889] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 77.391869] R13: ffffb34b41397f10 R14: ffffb34b41397f10 R15: ffff94a105f0a000 # [ 77.399847] FS: 00007f09915fa580(0000) GS:ffff94a17bd80000(0000) knlGS:0000000000000000 # [ 77.408895] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 77.4[ 79.300603] lkdtm: Performing direct entry EXEC_NULL 15321] CR2: ffffb34b406d6fd6 CR3: 0000000103672000 CR4: 00000000[ 79.306403] lkdtm: attempting ok execution at ffffffffb72b1f00 003506e0 # [ 77.423302] BUG: sleeping function called from in[ 79.319615] lkdtm: attempting bad execution at 0000000000000000 valid context at include/linux/percpu-rwsem.h:49 # [ 77.43322[ 79.332055] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 79.345981] #PF: supervisor instruction fetch in kernel mode [ 79.352306] #PF: error_code(0x0010) - not-present page [ 79.358050] PGD 0 P4D 0 [ 79.360889] Oops: 0010 [#11] SMP PTI [ 79.364886] CPU: 3 PID: 1849 Comm: cat Tainted: G D W 5.10.129-cip12 #1 [ 79.373533] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 79.380157] RIP: 0010:0x0 [ 79.383086] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6. [ 79.390773] RSP: 0018:ffffb34b42327e48 EFLAGS: 00010246 [ 79.396615] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 [ 79.404589] RDX: 0000000000000000 RSI: ffff94a17bd9bf70 RDI: ffff94a17bd9bf70 [ 79.412564] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 79.420543] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a [ 79.428520] R13: ffffb34b42327f10 R14: ffffb34b42327f10 R15: ffff94a103134000 [ 79.436499] FS: 00007f8fdbfe5580(0000) GS:ffff94a17bd80000(0000) knlGS:0000000000000000 [ 79.445543] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 79.451966] CR2: ffffffffffffffd6 CR3: 0000000104120000 CR4: 00000000003506e0 [ 79.459940] Call Trace: [ 79.462683] execute_location+0x48/0x56 [ 79.466966] direct_entry.cold+0x2c/0x38 [ 79.471355] full_proxy_write+0x56/0x80 [ 79.475649] vfs_write+0xea/0x390 [ 79.479357] ksys_write+0x68/0xe0 [ 79.483066] do_syscall_64+0x33/0x40 [ 79.487068] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 79.492713] RIP: 0033:0x7f8fdbf0df33 [ 79.496712] Code: 8b 15 61 ef 0c 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 [ 79.517702] RSP: 002b:00007ffc4e757948 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 79.526157] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f8fdbf0df33 [ 79.534133] RDX: 000000000000000a RSI: 00007f8fdbdfe000 RDI: 0000000000000001 [ 79.542105] RBP: 00007f8fdbdfe000 R08: 00007f8fdbdfd010 R09: 0000000000000000 [ 79.550081] R10: 00007f8fdc0081c0 R11: 0000000000000246 R12: 0000000000000001 [ 79.558053] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 79.566037] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 79.582010] CR2: 0000000000000000 [ 79.585718] ---[ end trace 7726a933748a4142 ]--- [ 79.590880] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 79.595267] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 19 70 02 [ 79.616261] RSP: 0018:ffffb34b41397e60 EFLAGS: 00010286 [ 79.622101] RAX: ffffffffb72b1b30 RBX: 0000000000000001 RCX: 0000000000000000 [ 79.630081] RDX: 0000000000000000 RSI: ffff94a17bc1bf70 RDI: ffffffffb7ed9a70 [ 79.638060] RBP: ffffffffb831b088 R08: 0000000000000001 R09: 0000000000000001 [ 79.646041] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 79.654019] R13: ffffb34b41397f10 R14: ffffb34b41397f10 R15: ffff94a105f0a000 [ 79.661998] FS: 00007f8fdbfe5580(0000) GS:ffff94a17bd80000(0000) knlGS:0000000000000000 [ 79.671049] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 79.677473] CR2: ffffffffffffffd6 CR3: 0000000104120000 CR4: 00000000003506e0 5] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1741, name: cat # [ 77.441689] INFO: lockdep is turned off. # [ 77.446071] irq event stamp: 0 # [ 77.449484] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 77.456496] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 77.465643] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 77.474789] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 77.481799] CPU: 3 PID: 1741 Comm: cat Tainted: G D W 5.10.129-cip12 #1 # [ 77.490456] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 77.497073] Call Trace: # [ 77.499815] dump_stack+0x77/0x97 # [ 77.503525] ___might_sleep.cold+0xa6/0xb6 # [ 77.508108] exit_signals+0x1c/0x2d0 # [ 77.512106] do_exit+0xd5/0xb00 # [ 77.515619] ? ksys_write+0x68/0xe0 # [ 77.519524] rewind_stack_do_exit+0x17/0x20 # [ 77.524204] RIP: 0033:0x7f0991522f33 # [ 77.528202] Code: 8b 15 61 ef 0c 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 # [ 77.549192] RSP: 002b:00007fff915e2528 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 77.557658] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007f0991522f33 # [ 77.565638] RDX: 000000000000000d RSI: 00007f0991413000 RDI: 0000000000000001 # [ 77.573616] RBP: 00007f0991413000 R08: 00007f0991412010 R09: 0000000000000000 # [ 77.581595] R10: 00007f099161d1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 77.589571] 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 # [ 77.893377] lkdtm: Performing direct entry EXEC_RODATA # [ 77.901865] lkdtm: attempting ok execution at ffffffffb72b1f00 # [ 77.908448] lkdtm: attempting bad execution at ffffffffb7ed9f00 # [ 77.915115] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 77.929696] BUG: unable to handle page fault for address: ffffffffb7ed9f00 # [ 77.937384] #PF: supervisor instruction fetch in kernel mode # [ 77.943711] #PF: error_code(0x0011) - permissions violation # [ 77.949942] PGD 49229067 P4D 49229067 PUD 4922a063 PMD 8000000048c001e1 # [ 77.957446] Oops: 0011 [#9] SMP PTI # [ 77.967559] CPU: 1 PID: 1777 Comm: cat Tainted: G D W 5.10.129-cip12 #1 # [ 77.976218] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 77.989051] RIP: 0010:lkdtm_rodata_do_nothing+0x0/0x10 # [ 78.001013] Code: ff ff d9 82 8f b7 ff ff ff ff aa 00 2c b8 ff ff ff ff 8f 6a 8f b7 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 # [ 78.022011] RSP: 0018:ffffb34b42247e48 EFLAGS: 00010246 # [ 78.027856] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 # [ 78.035838] RDX: 0000000000000000 RSI: ffff94a17bc9bf70 RDI: ffff94a17bc9bf70 # [ 78.043817] RBP: ffffffffb7ed9f00 R08: 0000000000000000 R09: 0000000000000000 # [ 78.051796] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c # [ 78.059775] R1[ 80.003473] lkdtm: Performing direct entry ACCESS_USERSPACE 3: ffffb34b42247f10 R14: ffffb34b42247f10 R15: ffff94a103611000[ 80.015064] lkdtm: attempting bad read at 00007f01423c2000 # [ 78.067754] FS: 00007f0c882f9580(0000) GS:ffff94a17bc8000[ 80.027453] BUG: unable to handle page fault for address: 00007f01423c2000 [ 80.041335] #PF: supervisor read access in kernel mode 0(0000) knlGS:0000000000000000 # [ 78.076800] CS: 0010 DS: 0[ 80.047077] #PF: error_code(0x0001) - permissions violation 000 ES: 0000 CR0: 0000000080050033 # [ 78.083223] CR2: ffffff[ 80.059515] PGD 8000000105ebf067 P4D 8000000105ebf067 PUD 105ec8067 PMD 1009bb067 PTE 1170d2067 [ 80.075459] Oops: 0001 [#12] SMP PTI [ 80.079457] CPU: 0 PID: 1884 Comm: cat Tainted: G D W 5.10.129-cip12 #1 [ 80.088111] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 80.094740] RIP: 0010:lkdtm_ACCESS_USERSPACE.cold+0x3d/0x9f [ 80.100965] Code: 2b 04 25 28 00 00 00 75 60 48 83 c4 10 5d c3 48 89 ee 48 c7 c7 c8 0d 2c b8 e8 73 9d fd ff 48 c7 c7 f0 0d 2c b8 b8 de c0 de c0 <48> 03 45 00 48 89 04 24 e8 5a 9d fd ff 48 89 ee 48 c7 c7 18 0e 2c [ 80.121958] RSP: 0018:ffffb34b423c7e48 EFLAGS: 00010246 [ 80.127800] RAX: 00000000c0dec0de RBX: 0000000000000026 RCX: 0000000000000000 [ 80.135776] RDX: 0000000000000000 RSI: ffff94a17bc1bf70 RDI: ffffffffb82c0df0 [ 80.143752] RBP: 00007f01423c2000 R08: 0000000000000000 R09: 0000000000000000 [ 80.151730] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000011 [ 80.159707] R13: ffffb34b423c7f10 R14: ffffb34b423c7f10 R15: ffff94a1051ab000 [ 80.167683] FS: 00007f0142393580(0000) GS:ffff94a17bc00000(0000) knlGS:0000000000000000 [ 80.176727] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 80.183150] CR2: 00007f01423c2000 CR3: 0000000104120000 CR4: 00000000003506f0 [ 80.191129] Call Trace: ffb[7ed9f00 CR3: 000000010354a000 CR4: 00000000003506e0 # [ 78 80.193876] direct_entry.cold+0x2c/0x38 [ 80.204488] full_proxy_write+0x56/0x80 [ 80.208782] vfs_write+0xea/0x390 [ 80.212489] ksys_write+0x68/0xe0 [ 80.216190] do_syscall_64+0x33/0x40 [ 80.220190] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 80.225841] RIP: 0033:0x7f01422bbf33 [ 80.229841] Code: 8b 15 61 ef 0c 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 [ 80.250835] RSP: 002b:00007ffe226d76e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 80.259304] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007f01422bbf33 [ 80.267282] RDX: 0000000000000011 RSI: 00007f01421ac000 RDI: 0000000000000001 [ 80.275258] RBP: 00007f01421ac000 R08: 00007f01421ab010 R09: 0000000000000000 [ 80.283237] R10: 00007f01423b61c0 R11: 0000000000000246 R12: 0000000000000001 [ 80.291211] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 .091200] Call Trace: # [ 78.093942] ? execute_location+0x48/[ 80.299199] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 80.321384] CR2: 00007f01423c2000 [ 80.325092] ---[ end trace 7726a933748a4143 ]--- [ 80.330257] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 80.334641] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 19 70 02 [ 80.355635] RSP: 0018:ffffb34b41397e60 EFLAGS: 00010286 [ 80.361476] RAX: ffffffffb72b1b30 RBX: 0000000000000001 RCX: 0000000000000000 [ 80.369452] RDX: 0000000000000000 RSI: ffff94a17bc1bf70 RDI: ffffffffb7ed9a70 [ 80.377426] RBP: ffffffffb831b088 R08: 0000000000000001 R09: 0000000000000001 [ 80.385401] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 80.393375] R13: ffffb34b41397f10 R14: ffffb34b41397f10 R15: ffff94a105f0a000 [ 80.401354] FS: 00007f0142393580(0000) GS:ffff94a17bc00000(0000) knlGS:0000000000000000 [ 80.410395] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 80.416815] CR2: 00007f01423c2000 CR3: 0000000104120000 CR4: 00000000003506f0 [ 80.424792] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 80.434709] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1884, name: cat [ 80.443170] INFO: lockdep is turned off. [ 80.447548] irq event stamp: 0 [ 80.450961] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 80.457973] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 80.467120] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 80.476263] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 80.483272] CPU: 0 PID: 1884 Comm: cat Tainted: G D W 5.10.129-cip12 #1 [ 80.491927] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 80.498543] Call Trace: [ 80.501284] dump_stack+0x77/0x97 [ 80.504993] ___might_sleep.cold+0xa6/0xb6 [ 80.509575] exit_signals+0x1c/0x2d0 [ 80.513572] do_exit+0xd5/0xb00 [ 80.517085] ? ksys_write+0x68/0xe0 [ 80.520988] rewind_stack_do_exit+0x17/0x20 [ 80.525663] RIP: 0033:0x7f01422bbf33 [ 80.529657] Code: 8b 15 61 ef 0c 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 [ 80.550646] RSP: 002b:00007ffe226d76e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 80.559109] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007f01422bbf33 [ 80.567082] RDX: 0000000000000011 RSI: 00007f01421ac000 RDI: 0000000000000001 [ 80.575056] RBP: 00007f01421ac000 R08: 00007f01421ab010 R09: 0000000000000000 [ 80.583031] R10: 00007f01423b61c0 R11: 0000000000000246 R12: 0000000000000001 [ 80.591006] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 0x56 # [ 78.098428] ? direct_entry.cold+0x2c/0x38 # [ 78.103014] ? full_proxy_write+0x56/0x80 # [ 78.107502] ? vfs_write+0xea/0x390 # [ 78.111402] ? ksys_write+0x68/0xe0 # [ 78.115304] ? do_syscall_64+0x33/0x40 # [ 78.119489] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 78.125338] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 78.141317] CR2: ffffffffb7ed9f00 # [ 78.145027] ---[ end trace 7726a933748a4140 ]--- # [ 78.150195] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 78.154579] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 19 70 02 # [ 78.175575] RSP: 0018:ffffb34b41397e60 EFLAGS: 00010286 # [ 78.181416] RAX: ffffffffb72b1b30 RBX: 0000000000000001 RCX: 0000000000000000 # [ 78.189394] RDX: 0000000000000000 RSI: ffff94a17bc1bf70 RDI: ffffffffb7ed9a70 # [ 78.197374] RBP: ffffffffb831b088 R08: 0000000000000001 R09: 0000000000000001 # [ 78.205353] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 78.213331] R13: ffffb34b41397f10 R14: ffffb34b41397f10 R15: ffff94a105f0a000 # [ 78.221310] FS: 00007f0c882f9580(0000) GS:ffff94a17bc80000(0000) knlGS:0000000000000000 # [ 78.230355] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 78.236778] CR2: ffffffffb7ed9f00 CR3: 000000010354a000 CR4: 00000000003506e0 # EXEC_RODATA: saw 'call trace:': ok ok 34 selftests: lkdtm: EXEC_RODATA.sh # selftests: lkdtm: EXEC_USERSPACE.sh # Killed # [ 78.508700] lkdtm: Performing direct entry EXEC_USERSPACE # [ 78.518259] lkdtm: attempting ok execution at ffffffffb72b1f00 # [ 78.531069] lkdtm: attempting bad execution at 00007f7896eb6000 # [ 78.543900] unable to execute userspace code (SMEP?) (uid: 0) # [ 78.556519] BUG: unable to handle page fault for address: 00007f7896eb6000 # [ 78.564207] #PF: supervisor instruction fetch in kernel mode # [ 78.570532] #PF: error_code(0x0011) - permissions violation # [ 78.576764] PGD 8000000105133067 P4D 8000000105133067 PUD 102abb067 PMD 103ff1067 PTE 113575067 # [ 78.586507] Oops: 0011 [#10] SMP PTI # [ 78.590496] CPU: 0 PID: 1813 Comm: cat Tainted: G D W 5.10.129-cip12 #1 # [ 78.599152] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 78.605776] RIP: 0010:0x7f7896eb6000 # [ 78.609772] Code: Unable to access opcode bytes at RIP 0x7f7896eb5fd6. # [ 78.617070] RSP: 0018:ffffb34b422cfe50 EFLAGS: 00010246 # [ 78.622905] RAX: 0000000000000033 RBX: 0000000000000024 RCX: 0000000000000000 # [ 78.630882] RDX: 0000000000000000 RSI: ffff94a17bc1bf70 RDI: ffff94a17bc1bf70 # [ 78.638859] RBP: 00007f7896eb6000 R08: 0000000000000000 R09: 0000000000000000 # [ 78.646836] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000f # [ 78.654812] R13: f[ 80.886294] lkdtm: Performing direct entry ACCESS_NULL [ 80.896999] lkdtm: attempting bad read at 0000000000000000 fffb34b422cff10 R14: ffffb34b422cff10 R15: ffff94a103425000 # [[ 80.903192] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 78.662789] FS: 00007f7896e87580(0000) GS:ffff94a17bc00000(0 80.917178] #PF: supervisor read access in kernel mode [ 80.929042] #PF: error_code(0x0000) - not-present page 00) knlGS:0000000000000000 # [ 78.671834] CS: 0010 DS: 0000 [ 80.934787] PGD 0 P4D 0 ES: 0000 CR0: 0000000080050033 # [ 78.678256] CR2: 00007f7896[ 80.943844] Oops: 0000 [#13] SMP PTI [ 80.954060] CPU: 0 PID: 1919 Comm: cat Tainted: G D W 5.10.129-cip12 #1 [ 80.962722] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 80.969351] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53 [ 80.974612] Code: 17 9d fd ff be 00 10 00 00 48 89 ef e8 74 db 3f ff e9 6d ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 c8 0d 2c b8 e8 f1 9c fd ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 f0 0d 2c b8 48 01 [ 80.995609] RSP: 0018:ffffb34b42447e58 EFLAGS: 00010246 [ 81.001449] RAX: 000000000000002e RBX: 0000000000000027 RCX: 0000000000000000 [ 81.009426] RDX: 0000000000000000 RSI: ffff94a17bc1bf70 RDI: ffff94a17bc1bf70 [ 81.017402] RBP: ffffffffb82bfeb9 R08: 0000000000000000 R09: 0000000000000000 [ 81.025379] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c [ 81.033355] R13: ffffb34b42447f10 R14: ffffb34b42447f10 R15: ffff94a10503f000 [ 81.041334] FS: 00007f64132f3580(0000) GS:ffff94a17bc00000(0000) knlGS:0000000000000000 [ 81.050378] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 81.056801] CR2: 0000000000000000 CR3: 0000000105ea0000 CR4: 00000000003506f0 [ 81.064778] Call Trace: [ 81.067524] direct_entry.cold+0x2c/0x38 [ 81.071919] full_proxy_write+0x56/0x80 [ 81.076211] vfs_write+0xea/0x390 [ 81.079919] ksys_write+0x68/0xe0 [ 81.083629] do_syscall_64+0x33/0x40 [ 81.087631] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 81.093280] RIP: 0033:0x7f641321bf33 [ 81.097279] Code: 8b 15 61 ef 0c 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 [ 81.118275] RSP: 002b:00007ffea490fdd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 81.126742] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f641321bf33 [ 81.134718] RDX: 000000000000000c RSI: 00007f641310c000 RDI: 0000000000000001 [ 81.142694] RBP: 00007f641310c000 R08: 00007f641310b010 R09: 0000000000000000 [ 81.150669] R10: 00007f64133161c0 R11: 0000000000000246 R12: 0000000000000001 [ 81.158643] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 eb6000 CR3: 00000001028ea000 CR4: 00000000003506f0 # [ 78.686[ 81.166630] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 81.188819] CR2: 0000000000000000 [ 81.192525] ---[ end trace 7726a933748a4144 ]--- [ 81.197690] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 81.202073] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 19 70 02 [ 81.223069] RSP: 0018:ffffb34b41397e60 EFLAGS: 00010286 [ 81.228913] RAX: ffffffffb72b1b30 RBX: 0000000000000001 RCX: 0000000000000000 [ 81.236891] RDX: 0000000000000000 RSI: ffff94a17bc1bf70 RDI: ffffffffb7ed9a70 [ 81.244872] RBP: ffffffffb831b088 R08: 0000000000000001 R09: 0000000000000001 [ 81.252851] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 81.260826] R13: ffffb34b41397f10 R14: ffffb34b41397f10 R15: ffff94a105f0a000 [ 81.268802] FS: 00007f64132f3580(0000) GS:ffff94a17bc00000(0000) knlGS:0000000000000000 [ 81.277844] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 81.284265] CR2: 0000000000000000 CR3: 0000000105ea0000 CR4: 00000000003506f0 [ 81.292244] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 81.302160] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1919, name: cat [ 81.310623] INFO: lockdep is turned off. [ 81.315004] irq event stamp: 0 [ 81.318414] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 81.325425] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 81.334572] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 81.343713] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 81.350719] CPU: 0 PID: 1919 Comm: cat Tainted: G D W 5.10.129-cip12 #1 [ 81.359375] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 81.365992] Call Trace: [ 81.368731] dump_stack+0x77/0x97 [ 81.372442] ___might_sleep.cold+0xa6/0xb6 [ 81.377023] exit_signals+0x1c/0x2d0 [ 81.381022] do_exit+0xd5/0xb00 [ 81.384525] ? ksys_write+0x68/0xe0 [ 81.388429] rewind_stack_do_exit+0x17/0x20 [ 81.393105] RIP: 0033:0x7f641321bf33 [ 81.397103] Code: 8b 15 61 ef 0c 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 [ 81.418096] RSP: 002b:00007ffea490fdd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 81.426559] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f641321bf33 [ 81.434534] RDX: 000000000000000c RSI: 00007f641310c000 RDI: 0000000000000001 [ 81.442509] RBP: 00007f641310c000 R08: 00007f641310b010 R09: 0000000000000000 [ 81.450483] R10: 00007f64133161c0 R11: 0000000000000246 R12: 0000000000000001 [ 81.458458] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 230] Call Trace: # [ 78.688977] ? lkdtm_EXEC_USERSPACE.cold+0x69/0xae # [ 78.694339] ? direct_entry.cold+0x2c/0x38 # [ 78.698926] ? full_proxy_write+0x56/0x80 # [ 78.703413] ? vfs_write+0xea/0x390 # [ 78.707313] ? ksys_write+0x68/0xe0 # [ 78.711216] ? do_syscall_64+0x33/0x40 # [ 78.715408] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 78.721258] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 78.743446] CR2: 00007f7896eb6000 # [ 78.747152] ---[ end trace 7726a933748a4141 ]--- # [ 78.752314] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 78.756689] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 19 70 02 # [ 78.777683] RSP: 0018:ffffb34b41397e60 EFLAGS: 00010286 # [ 78.783517] RAX: ffffffffb72b1b30 RBX: 0000000000000001 RCX: 0000000000000000 # [ 78.791496] RDX: 0000000000000000 RSI: ffff94a17bc1bf70 RDI: ffffffffb7ed9a70 # [ 78.799474] RBP: ffffffffb831b088 R08: 0000000000000001 R09: 0000000000000001 # [ 78.807449] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 78.815424] R13: ffffb34b41397f10 R14: ffffb34b41397f10 R15: ffff94a105f0a000 # [ 78.823400] FS: 00007f7896e87580(0000) GS:ffff94a17bc00000(0000) knlGS:0000000000000000 # [ 78.832447] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 78.838872] CR2: 00007f7896eb6000 CR3: 00000001028ea000 CR4: 00000000003506f0 # [ 78.846853] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 78.856776] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1813, name: cat # [ 78.871448] INFO: lockdep is turned off. # [ 78.875831] irq event stamp: 0 # [ 78.879244] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 78.886260] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 78.895407] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 78.904551] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 78.911560] CPU: 0 PID: 1813 Comm: cat Tainted: G D W 5.10.129-cip12 #1 # [ 78.920216] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 78.926832] Call Trace: # [ 78.929576] dump_stack+0x77/0x97 # [ 78.933288] ___might_sleep.cold+0xa6/0xb6 # [ 78.937872] exit_signals+0x1c/0x2d0 # [ 78.941870] do_exit+0xd5/0xb00 # [ 78.945384] ? ksys_write+0x68/0xe0 # [ 78.949287] rewind_stack_do_exit+0x17/0x20 # [ 78.953963] RIP: 0033:0x7f7896daff33 # [ 78.957959] Code: 8b 15 61 ef 0c 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 # [ 78.978947] RSP: 002b:00007ffc443d3388 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 78.987414] RAX: ffffffffffffffda RBX: 000000000000000f RCX: 00007f7896daff33 # [ 78.995389] RDX: 000000000000000f RSI: 00007f7896ca0000 RDI: 000000000000[ 81.775285] lkdtm: Performing direct entry WRITE_RO [ 81.782806] lkdtm: attempting bad rodata write at ffffffffb7ed9ef0 [ 81.789763] BUG: unable to handle page fault for address: ffffffffb7ed9ef0 [ 81.797456] #PF: supervisor write access in kernel mode [ 81.803296] #PF: error_code(0x0003) - permissions violation 0001 # [ 79.003365] RBP: 00007f7896ca0000 R08: 00007f7896c9f0[ 81.809526] PGD 49229067 P4D 49229067 PUD 4922a063 PMD 8000000048c001e1 [ 81.823247] Oops: 0003 [#14] SMP PTI 10 R09: 0000000000000000 # [ 79.011341] R10: 00007f7896eaa1c0[ 81.827245] CPU: 2 PID: 1954 Comm: cat Tainted: G D W 5.10.129-cip12 #1 [ 81.842111] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 81.848736] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a [ 81.853707] Code: 00 48 c7 c7 a8 0c 2c b8 48 c7 c6 f0 9e ed b7 e8 93 9f fd ff 48 8b 05 16 31 5e 00 ba 34 12 cd ab 48 c7 c7 d8 0c 2c b8 48 31 d0 <48> 89 05 00 31 5e 00 e9 71 9f fd ff 0f 1f 44 00 00 48 8b 05 27 55 [ 81.874696] RSP: 0018:ffffb34b424c7e60 EFLAGS: 00010202 [ 81.880537] RAX: 000000000198b861 RBX: 0000000000000028 RCX: 0000000000000000 [ 81.888515] RDX: 00000000abcd1234 RSI: ffff94a17bd1bf70 RDI: ffffffffb82c0cd8 [ 81.896493] RBP: ffffffffb82bfec5 R08: 0000000000000000 R09: 0000000000000000 [ 81.904470] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000009 [ 81.912446] R13: ffffb34b424c7f10 R14: ffffb34b424c7f10 R15: ffff94a105f1e000 [ 81.920422] FS: 00007fa55ace5580(0000) GS:ffff94a17bd00000(0000) knlGS:0000000000000000 [ 81.929467] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 81.935891] CR2: ffffffffb7ed9ef0 CR3: 0000000105ea0000 CR4: 00000000003506e0 [ 81.943869] Call Trace: [ 81.946611] direct_entry.cold+0x2c/0x38 [ 81.951009] full_proxy_write+0x56/0x80 [ 81.955302] vfs_write+0xea/0x390 [ 81.959009] ksys_write+0x68/0xe0 [ 81.962718] do_syscall_64+0x33/0x40 [ 81.966719] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 81.972371] RIP: 0033:0x7fa55ac0df33 [ 81.976370] Code: 8b 15 61 ef 0c 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 [ 81.997358] RSP: 002b:00007ffd2c125388 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 82.005824] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007fa55ac0df33 [ 82.013803] RDX: 0000000000000009 RSI: 00007fa55aafe000 RDI: 0000000000000001 [ 82.021779] RBP: 00007fa55aafe000 R08: 00007fa55aafd010 R09: 0000000000000000 [ 82.029757] R10: 00007fa55ad081c0 R11: 0000000000000246 R12: 0000000000000001 [ 82.037736] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 82.045724] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 82.061707] CR2: ffffffffb7ed9ef0 [ 82.065417] ---[ end trace 7726a933748a4145 ]--- [ 82.070582] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 82.074969] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 19 70 02 [ 82.095967] RSP: 0018:ffffb34b41397e60 EFLAGS: 00010286 [ 82.101811] RAX: ffffffffb72b1b30 RBX: 0000000000000001 RCX: 0000000000000000 [ 82.109789] RDX: 0000000000000000 RSI: ffff94a17bc1bf70 RDI: ffffffffb7ed9a70 [ 82.117765] RBP: ffffffffb831b088 R08: 0000000000000001 R09: 0000000000000001 [ 82.125745] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 82.133721] R13: ffffb34b41397f10 R14: ffffb34b41397f10 R15: ffff94a105f0a000 [ 82.141699] FS: 00007fa55ace5580(0000) GS:ffff94a17bd00000(0000) knlGS:0000000000000000 [ 82.150747] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 82.157171] CR2: ffffffffb7ed9ef0 CR3: 0000000105ea0000 CR4: 00000000003506e0 R11: 0000000000000246 R12: 0000000000000001 # [ 79.019314] 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 # [ 79.300603] lkdtm: Performing direct entry EXEC_NULL # [ 79.306403] lkdtm: attempting ok execution at ffffffffb72b1f00 # [ 79.319615] lkdtm: attempting bad execution at 0000000000000000 # [ 79.332055] BUG: kernel NULL pointer dereference, address: 0000000000000000 # [ 79.345981] #PF: supervisor instruction fetch in kernel mode # [ 79.352306] #PF: error_code(0x0010) - not-present page # [ 79.358050] PGD 0 P4D 0 # [ 79.360889] Oops: 0010 [#11] SMP PTI # [ 79.364886] CPU: 3 PID: 1849 Comm: cat Tainted: G D W 5.10.129-cip12 #1 # [ 79.373533] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 79.380157] RIP: 0010:0x0 # [ 79.383086] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6. # [ 79.390773] RSP: 0018:ffffb34b42327e48 EFLAGS: 00010246 # [ 79.396615] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 # [ 79.404589] RDX: 0000000000000000 RSI: ffff94a17bd9bf70 RDI: ffff94a17bd9bf70 # [ 79.412564] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 # [ 79.420543] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 79.428520] R13: ffffb34b42327f10 R14: ffffb34b42327f10 R15: ffff94a103134000 # [ 79.436499] FS: 00007f8fdbfe5580(0000) GS:ffff94a17bd80000(0000) knlGS:0000000000000000 # [ 79.445543] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 79.451966] CR2: ffffffffffffffd6 CR3: 0000000104120000 CR4: 00000000003506e0 # [ 79.459940] Call Trace: # [ 79.462683] execute_location+0x48/0x56 # [ 79.466966] direct_entry.cold+0x2c/0x38 # [ 79.471355] full_proxy_write+0x56/0x80 # [ 79.475649] vfs_write+0xea/0x390 # [ 79.479357] ksys_write+0x68/0xe0 # [ 79.483066] do_syscall_64+0x33/0x40 # [ 79.487068] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 79.492713] RIP: 0033:0x7f8fdbf0df33 # [ 79.496712] Code: 8b 15 61 ef 0c 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 # [ 79.517702] RSP: 002b:00007ffc4e757948 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 79.526157] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f8fdbf0df33 # [ 79.534133] RDX: 000000000000000a RSI: 00007f8fdbdfe000 RDI: 0000000000000001 # [ 79.542105] RBP: 00007f8fdbdfe000 R08: 00007f8fdbdfd010 R09: 0000000000000000 # [ 79.550081] R10: 00007f8fdc0081c0 R11: 0000000000000246 R12: 0000000000000001 # [ 79.558053] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 79.566037] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs cros_ec_lightbar x86_pkg_temp_thermal cros_ec_[ 82.451369] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT [ 82.463962] lkdtm: attempting bad ro_after_init write at ffffffffb833c328 [ 82.471624] BUG: unable to handle page fault for address: ffffffffb833c328 [ 82.479314] #PF: supervisor write access in kernel mode dev cros_usbpd_notify # [ 79.582010] CR2: 0000000000000000 #[ 82.485156] #PF: error_code(0x0003) - permissions violation [ 79.585718] ---[ end trace 7726a933748a4142 ]--- # [ 79.5[ 82.497598] PGD 49229067 P4D 49229067 PUD 4922a063 PMD 100844163 PTE 800000004913c061 [ 82.512579] Oops: 0003 [#15] SMP PTI 90880] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 79.595267] Code: 5b a[ 82.516581] CPU: 1 PID: 1989 Comm: cat Tainted: G D W 5.10.129-cip12 #1 [ 82.531443] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 82.538073] RIP: 0010:lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a [ 82.544113] Code: 0d 2c b8 e9 45 9f fd ff 48 c7 c7 30 0d 2c b8 e8 39 9f fd ff 48 8b 05 f4 54 a4 00 ba 34 12 cd ab 48 c7 c7 d8 0c 2c b8 48 31 d0 <48> 89 05 de 54 a4 00 e9 17 9f fd ff 0f 1f 44 00 00 41 54 48 c7 c7 [ 82.565111] RSP: 0018:ffffb34b42567e60 EFLAGS: 00010202 [ 82.570956] RAX: 00000000fe67479e RBX: 0000000000000029 RCX: 0000000000000000 [ 82.578935] RDX: 00000000abcd1234 RSI: ffff94a17bc9bf70 RDI: ffffffffb82c0cd8 [ 82.586911] RBP: ffffffffb82bfece R08: 0000000000000000 R09: 0000000000000000 [ 82.594884] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000014 [ 82.602858] R13: ffffb34b42567f10 R14: ffffb34b42567f10 R15: ffff94a1009a2000 [ 82.610839] FS: 00007f028c9f1580(0000) GS:ffff94a17bc80000(0000) knlGS:0000000000000000 [ 82.619886] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 82.626311] CR2: ffffffffb833c328 CR3: 0000000105198000 CR4: 00000000003506e0 [ 82.634287] Call Trace: [ 82.637027] direct_entry.cold+0x2c/0x38 [ 82.641425] full_proxy_write+0x56/0x80 [ 82.645718] vfs_write+0xea/0x390 [ 82.649425] ksys_write+0x68/0xe0 [ 82.653133] do_syscall_64+0x33/0x40 [ 82.657132] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 82.662785] RIP: 0033:0x7f028c919f33 [ 82.666782] Code: 8b 15 61 ef 0c 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 [ 82.687782] RSP: 002b:00007ffce9c40e68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 82.696252] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f028c919f33 [ 82.704227] RDX: 0000000000000014 RSI: 00007f028c80a000 RDI: 0000000000000001 [ 82.712204] RBP: 00007f028c80a000 R08: 00007f028c809010 R09: 0000000000000000 [ 82.720181] R10: 00007f028ca141c0 R11: 0000000000000246 R12: 0000000000000001 [ 82.728160] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 82.736148] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 82.752128] CR2: ffffffffb833c328 [ 82.755836] ---[ end trace 7726a933748a4146 ]--- [ 82.760994] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 82.765380] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 19 70 02 [ 82.786376] RSP: 0018:ffffb34b41397e60 EFLAGS: 00010286 [ 82.792221] RAX: ffffffffb72b1b30 RBX: 0000000000000001 RCX: 0000000000000000 [ 82.800200] RDX: 0000000000000000 RSI: ffff94a17bc1bf70 RDI: ffffffffb7ed9a70 [ 82.808177] RBP: ffffffffb831b088 R08: 0000000000000001 R09: 0000000000000001 [ 82.816154] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 82.824131] R13: ffffb34b41397f10 R14: ffffb34b41397f10 R15: ffff94a105f0a000 [ 82.832112] FS: 00007f028c9f1580(0000) GS:ffff94a17bc80000(0000) knlGS:0000000000000000 [ 82.841161] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 82.847586] CR2: ffffffffb833c328 CR3: 0000000105198000 CR4: 00000000003506e0 [ 82.855569] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 82.865494] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1989, name: cat [ 82.873956] INFO: lockdep is turned off. [ 82.878339] irq event stamp: 0 [ 82.881750] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 82.888763] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 82.897911] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 82.907054] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 82.914064] CPU: 1 PID: 1989 Comm: cat Tainted: G D W 5.10.129-cip12 #1 [ 82.922720] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 82.929337] Call Trace: [ 82.932078] dump_stack+0x77/0x97 [ 82.935790] ___might_sleep.cold+0xa6/0xb6 [ 82.940375] exit_signals+0x1c/0x2d0 [ 82.944375] do_exit+0xd5/0xb00 [ 82.947887] ? ksys_write+0x68/0xe0 5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0[ 82.951784] rewind_stack_do_exit+0x17/0x20 [ 82.962669] RIP: 0033:0x7f028c919f33 [ 82.966669] Code: 8b 15 61 ef 0c 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 [ 82.987664] RSP: 002b:00007ffce9c40e68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 82.996131] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f028c919f33 [ 83.004111] RDX: 0000000000000014 RSI: 00007f028c80a000 RDI: 0000000000000001 [ 83.012090] RBP: 00007f028c80a000 R08: 00007f028c809010 R09: 0000000000000000 [ 83.020064] R10: 00007f028ca141c0 R11: 0000000000000246 R12: 0000000000000001 [ 83.028040] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 19 70 02 # [ 79.616261] RSP: 0018:ffffb34b41397e60 EFLAGS: 00010286 # [ 79.622101] RAX: ffffffffb72b1b30 RBX: 0000000000000001 RCX: 0000000000000000 # [ 79.630081] RDX: 0000000000000000 RSI: ffff94a17bc1bf70 RDI: ffffffffb7ed9a70 # [ 79.638060] RBP: ffffffffb831b088 R08: 0000000000000001 R09: 0000000000000001 # [ 79.646041] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 79.654019] R13: ffffb34b41397f10 R14: ffffb34b41397f10 R15: ffff94a105f0a000 # [ 79.661998] FS: 00007f8fdbfe5580(0000) GS:ffff94a17bd80000(0000) knlGS:0000000000000000 # [ 79.671049] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 79.677473] CR2: ffffffffffffffd6 CR3: 0000000104120000 CR4: 00000000003506e0 # EXEC_NULL: saw 'call trace:': ok ok 36 selftests: lkdtm: EXEC_NULL.sh # selftests: lkdtm: ACCESS_USERSPACE.sh # Killed # [ 80.003473] lkdtm: Performing direct entry ACCESS_USERSPACE # [ 80.015064] lkdtm: attempting bad read at 00007f01423c2000 # [ 80.027453] BUG: unable to handle page fault for address: 00007f01423c2000 # [ 80.041335] #PF: supervisor read access in kernel mode # [ 80.047077] #PF: error_code(0x0001) - permissions violation # [ 80.059515] PGD 8000000105ebf067 P4D 8000000105ebf067 PUD 105ec8067 PMD 1009bb067 PTE 1170d2067 # [ 80.075459] Oops: 0001 [#12] SMP PTI # [ 80.079457] CPU: 0 PID: 1884 Comm: cat Tainted: G D W 5.10.129-cip12 #1 # [ 80.088111] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 80.094740] RIP: 0010:lkdtm_ACCESS_USERSPACE.cold+0x3d/0x9f # [ 80.100965] Code: 2b 04 25 28 00 00 00 75 60 48 83 c4 10 5d c3 48 89 ee 48 c7 c7 c8 0d 2c b8 e8 73 9d fd ff 48 c7 c7 f0 0d 2c b8 b8 de c0 de c0 <48> 03 45 00 48 89 04 24 e8 5a 9d fd ff 48 89 ee 48 c7 c7 18 0e 2c # [ 80.121958] RSP: 0018:ffffb34b423c7e48 EFLAGS: 00010246 # [ 80.127800] RAX: 00000000c0dec0de RBX: 0000000000000026 RCX: 0000000000000000 # [ 80.135776] RDX: 0000000000000000 RSI: ffff94a17bc1bf70 RDI: ffffffffb82c0df0 # [ 80.143752] RBP: 00007f01423c2000 R08: 0000000000000000 R09: 0000000000000000 # [ 80.151730] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000011 # [ 80.159707] R13: ffffb34b423c7f10 R14: ffffb34b423c7f10 R15: ffff94a1051ab000 # [ 80.167683] FS: 00007f0142393580(0000) GS:ffff94a17bc00000(0000) knlGS:0000000000000000 # [ 80.176727] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 80.183150] CR2: 00007f01423c2000 CR3: 0000000104120000 CR4: 00000000003506f0 # [ 80.191129] Call Trace: # [ 80.193876] direct_entry.cold+0x2c/0x38 # [ 80.204488] full_proxy_write+0x56/0x80 # [ 80.208782] vfs_write+0xea/0x390 # [ 80.212489] ksys_write+0x68/0xe0 # [ 80.216190] do_syscall_64+0x33/0x40 # [ 80.220190] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 80.225841] RIP: 0033:0x7f01422bbf33 # [ 80.229841] Code: 8b 15 61 ef 0c 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 # [ 80.250835] RSP: 002b:00007ffe226d76e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 80.259304] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007f01422bbf33 # [ 80.267282] RDX: 0000000000000011 RSI: 00007f01421ac000 RDI: 0000000000000001 # [ 80.275258] RBP: 00007f01421ac000 R08: 00007f01421ab[ 83.374643] lkdtm: Performing direct entry WRITE_KERN 010 R09: 0000000000000000 # [ 80.283237] R10: 00007f01423b61c[ 83.383970] lkdtm: attempting bad 6573652 byte write at ffffffffb78f6d54 0 R11: 0000000000000246 R12: 0000000000000001 # [ 80.291211] [ 83.397711] BUG: unable to handle page fault for address: ffffffffb78f6d54 [ 83.411544] #PF: supervisor write access in kernel mode [ 83.417382] #PF: error_code(0x0003) - permissions violation [ 83.423609] PGD 49229067 P4D 49229067 PUD 4922a063 PMD 486001e1 [ 83.430339] Oops: 0003 [#16] SMP PTI [ 83.434338] CPU: 3 PID: 2024 Comm: cat Tainted: G D W 5.10.129-cip12 #1 [ 83.442988] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 83.449616] RIP: 0010:lkdtm_WRITE_KERN+0x38/0x4e [ 83.454780] Code: 53 48 c7 c3 54 6d 8f b7 49 89 dc 48 89 da 49 81 ec 00 1f 2b b7 4c 89 e6 e8 ec 9e fd ff 48 89 df 4c 89 e1 48 c7 c6 00 1f 2b b7 a4 48 c7 c7 d8 0c 2c b8 e8 d1 9e fd ff 5b 41 5c e9 b7 fe ff ff [ 83.475762] RSP: 0018:ffffb34b42607e50 EFLAGS: 00010246 [ 83.481603] RAX: 000000000000003c RBX: ffffffffb78f6d54 RCX: 0000000000644e54 [ 83.489575] RDX: 0000000000000000 RSI: ffffffffb72b1f00 RDI: ffffffffb78f6d54 [ 83.497549] RBP: ffffffffb82bfee2 R08: 0000000000000000 R09: 0000000000000000 [ 83.505525] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000644e54 [ 83.513500] R13: ffffb34b42607f10 R14: ffffb34b42607f10 R15: ffff94a103633000 [ 83.521476] FS: 00007f704d218580(0000) GS:ffff94a17bd80000(0000) knlGS:0000000000000000 [ 83.530518] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 83.536938] CR2: ffffffffb78f6d54 CR3: 00000001027e6000 CR4: 00000000003506e0 [ 83.544911] Call Trace: [ 83.547652] direct_entry.cold+0x2c/0x38 [ 83.552045] full_proxy_write+0x56/0x80 [ 83.556336] vfs_write+0xea/0x390 [ 83.560042] ksys_write+0x68/0xe0 [ 83.563749] do_syscall_64+0x33/0x40 [ 83.567747] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 83.573397] RIP: 0033:0x7f704d140f33 [ 83.577394] Code: 8b 15 61 ef 0c 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 [ 83.598387] RSP: 002b:00007ffe743c9628 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 83.606856] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f704d140f33 [ 83.614831] RDX: 000000000000000b RSI: 00007f704d031000 RDI: 0000000000000001 [ 83.622805] RBP: 00007f704d031000 R08: 00007f704d030010 R09: 0000000000000000 [ 83.630779] R10: 00007f704d23b1c0 R11: 0000000000000246 R12: 0000000000000001 [ 83.638753] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 83.646739] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 83.662711] CR2: ffffffffb78f6d54 [ 83.666417] ---[ end trace 7726a933748a4147 ]--- [ 83.671581] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 83.675966] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 19 70 02 [ 83.696955] RSP: 0018:ffffb34b41397e60 EFLAGS: 00010286 [ 83.702795] RAX: ffffffffb72b1b30 RBX: 0000000000000001 RCX: 0000000000000000 [ 83.710769] RDX: 0000000000000000 RSI: ffff94a17bc1bf70 RDI: ffffffffb7ed9a70 [ 83.718743] RBP: ffffffffb831b088 R08: 0000000000000001 R09: 0000000000000001 [ 83.726715] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 83.734689] R13: ffffb34b41397f10 R14: ffffb34b41397f10 R15: ffff94a105f0a000 [ 83.742663] FS: 00007f704d218580(0000) GS:ffff94a17bd80000(0000) knlGS:0000000000000000 [ 83.751705] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 83.758126] CR2: ffffffffb78f6d54 CR3: 00000001027e6000 CR4: 00000000003506e0 [ 83.766104] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 83.776021] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 2024, name: cat [ 83.784483] INFO: lockdep is turned off. [ 83.788864] irq event stamp: 0 [ 83.792276] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 83.799287] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 83.808428] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 83.817568] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 83.824575] CPU: 3 PID: 2024 Comm: cat Tainted: G D W 5.10.129-cip12 #1 [ 83.833228] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 83.839845] Call Trace: [ 83.842585] dump_stack+0x77/0x97 [ 83.846292] ___might_sleep.cold+0xa6/0xb6 [ 83.850873] exit_signals+0x1c/0x2d0 [ 83.854869] do_exit+0xd5/0xb00 [ 83.858379] ? ksys_write+0x68/0xe0 [ 83.862280] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 [ 83.867733] rewind_stack_do_exit+0x17/0x20 [ 83.872407] RIP: 0033:0x7f704d140f33 [ 83.876400] Code: 8b 15 61 ef 0c 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 [ 83.897389] RSP: 002b:00007ffe743c9628 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 83.905854] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f704d140f33 [ 83.913830] RDX: 000000000000000b RSI: 00007f704d031000 RDI: 0000000000000001 [ 83.921804] RBP: 00007f704d031000 R08: 00007f704d030010 R09: 0000000000000000 [ 83.929779] R10: 00007f704d23b1c0 R11: 0000000000000246 R12: 0000000000000001 [ 83.937754] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 80.299199] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 80.321384] CR2: 00007f01423c2000 # [ 80.325092] ---[ end trace 7726a933748a4143 ]--- # [ 80.330257] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 80.334641] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 19 70 02 # [ 80.355635] RSP: 0018:ffffb34b41397e60 EFLAGS: 00010286 # [ 80.361476] RAX: ffffffffb72b1b30 RBX: 0000000000000001 RCX: 0000000000000000 # [ 80.369452] RDX: 0000000000000000 RSI: ffff94a17bc1bf70 RDI: ffffffffb7ed9a70 # [ 80.377426] RBP: ffffffffb831b088 R08: 0000000000000001 R09: 0000000000000001 # [ 80.385401] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 80.393375] R13: ffffb34b41397f10 R14: ffffb34b41397f10 R15: ffff94a105f0a000 # [ 80.401354] FS: 00007f0142393580(0000) GS:ffff94a17bc00000(0000) knlGS:0000000000000000 # [ 80.410395] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 80.416815] CR2: 00007f01423c2000 CR3: 0000000104120000 CR4: 00000000003506f0 # [ 80.424792] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 80.434709] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1884, name: cat # [ 80.443170] INFO: lockdep is turned off. # [ 80.447548] irq event stamp: 0 # [ 80.450961] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 80.457973] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 80.467120] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 80.476263] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 80.483272] CPU: 0 PID: 1884 Comm: cat Tainted: G D W 5.10.129-cip12 #1 # [ 80.491927] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 80.498543] Call Trace: # [ 80.501284] dump_stack+0x77/0x97 # [ 80.504993] ___might_sleep.cold+0xa6/0xb6 # [ 80.509575] exit_signals+0x1c/0x2d0 # [ 80.513572] do_exit+0xd5/0xb00 # [ 80.517085] ? ksys_write+0x68/0xe0 # [ 80.520988] rewind_stack_do_exit+0x17/0x20 # [ 80.525663] RIP: 0033:0x7f01422bbf33 # [ 80.529657] Code: 8b 15 61 ef 0c 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 # [ 80.550646] RSP: 002b:00007ffe226d76e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 80.559109] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007f01422bbf33 # [ 80.567082] RDX: 0000000000000011 RSI: 00007f01421ac000 RDI: 0000000000000001 # [ 80.575056] RBP: 00007f01421ac000 R08: 00007f01421ab010 R09: 0000000000000000 # [ 80.583031] R10: 00007f01423b61c0 R11: 0000000000000246 R12: 0000000000000001 # [ 80.591006] 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 # [ 80.886294] lkdtm: Performing direct entry ACCESS_NULL # [ 80.896999] lkdtm: attempting [ 84.273823] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW [ 84.282138] lkdtm: attempting good refcount_inc() without overflow bad read at 0000000000000000 # [ 80.903192] BUG: kernel NULL [ 84.289097] lkdtm: attempting bad refcount_inc() overflow pointer dereference, address: 0000000000000000 # [ 80.917178][ 84.301362] ------------[ cut here ]------------ #PF: supervisor read access in kernel mode # [ 80.929042] #P[ 84.312734] refcount_t: saturated; leaking memory. F: error_code(0x0000) - not-present page # [ 80.934787] PGD 0[ 84.324379] WARNING: CPU: 1 PID: 2059 at lib/refcount.c:22 refcount_warn_saturate+0x49/0xf0 P4D 0 # [ 80.943844] Oops: 0000 [#13] SMP PTI # [ 80.954[ 84.339890] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 84.362100] CPU: 1 PID: 2059 Comm: cat Tainted: G D W 5.10.129-cip12 #1 [ 84.370787] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 84.377434] RIP: 0010:refcount_warn_saturate+0x49/0xf0 [ 84.383202] Code: 76 01 00 0f 84 a4 00 00 00 c3 85 f6 74 3e 80 3d 48 1d 76 01 00 75 f2 48 c7 c7 60 b9 25 b8 c6 05 38 1d 76 01 01 e8 dd fb 92 00 <0f> 0b c3 80 3d 28 1d 76 01 00 75 d3 48 c7 c7 88 b9 25 b8 c6 05 18 060] CPU: 0 PID: 1919 Comm: cat Tainted: G D W 5.10[ 84.404273] RSP: 0018:ffffb34b4267fe48 EFLAGS: 00010286 [ 84.416381] RAX: 0000000000000000 RBX: 000000000000002b RCX: 0000000000000000 [ 84.424385] RDX: ffff94a17bcac660 RSI: ffff94a17bc9bf70 RDI: ffff94a17bc9bf70 [ 84.432382] RBP: ffffffffb82bfeed R08: 0000000000000000 R09: 0000000000000000 [ 84.440381] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 [ 84.448368] R13: ffffb34b4267ff10 R14: ffffb34b4267ff10 R15: ffff94a1034d7000 [ 84.456367] FS: 00007fe137c63580(0000) GS:ffff94a17bc80000(0000) knlGS:0000000000000000 [ 84.465436] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 .129-cip12 #1 # [ 80.962722] Hardware name: Google Coral/Cora[ 84.471878] CR2: 00007fe137a7c000 CR3: 0000000105ec8000 CR4: 00000000003506e0 [ 84.486089] Call Trace: [ 84.488853] lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x94 [ 84.494239] direct_entry.cold+0x2c/0x38 [ 84.498653] full_proxy_write+0x56/0x80 [ 84.502971] vfs_write+0xea/0x390 [ 84.506704] ksys_write+0x68/0xe0 [ 84.510435] do_syscall_64+0x33/0x40 [ 84.514457] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 84.520131] RIP: 0033:0x7fe137b8bf33 [ 84.524151] Code: 8b 15 61 ef 0c 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 [ 84.545168] RSP: 002b:00007ffc4eeb7cb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 84.553661] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fe137b8bf33 [ 84.561661] RDX: 0000000000000016 RSI: 00007fe137a7c000 RDI: 0000000000000001 [ 84.569653] RBP: 00007fe137a7c000 R08: 00007fe137a7b010 R09: 0000000000000000 [ 84.577656] R10: 00007fe137c861c0 R11: 0000000000000246 R12: 0000000000000001 [ 84.585653] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 84.593664] irq event stamp: 0 l, BIOS 09/29/2020 # [ 80.969351] RIP: 0010:lkdtm_ACCESS_NUL[ 84.597105] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 84.610334] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 84.619496] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 84.628664] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 84.635692] ---[ end trace 7726a933748a4148 ]--- [ 84.640872] lkdtm: Overflow detected: saturated L+0x14/0x53 # [ 80.974612] Code: 17 9d fd ff be 00 10 00 00 48 89 ef e8 74 db 3f ff e9 6d ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 c8 0d 2c b8 e8 f1 9c fd ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 f0 0d 2c b8 48 01 # [ 80.995609] RSP: 0018:ffffb34b42447e58 EFLAGS: 00010246 # [ 81.001449] RAX: 000000000000002e RBX: 0000000000000027 RCX: 0000000000000000 # [ 81.009426] RDX: 0000000000000000 RSI: ffff94a17bc1bf70 RDI: ffff94a17bc1bf70 # [ 81.017402] RBP: ffffffffb82bfeb9 R08: 0000000000000000 R09: 0000000000000000 # [ 81.025379] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c # [ 81.033355] R13: ffffb34b42447f10 R14: ffffb34b42447f10 R15: ffff94a10503f000 # [ 81.041334] FS: 00007f64132f3580(0000) GS:ffff94a17bc00000(0000) knlGS:0000000000000000 # [ 81.050378] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 81.056801] CR2: 0000000000000000 CR3: 0000000105ea0000 CR4: 00000000003506f0 # [ 81.064778] Call Trace: # [ 81.067524] direct_entry.cold+0x2c/0x38 # [ 81.071919] full_proxy_write+0x56/0x80 # [ 81.076211] vfs_write+0xea/0x390 # [ 81.079919] ksys_write+0x68/0xe0 # [ 81.083629] do_syscall_64+0x33/0x40 # [ 81.087631] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 81.093280] RIP: 0033:0x7f641321bf33 # [ 81.097279] Code: 8b 15 61 ef 0c 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 # [ 81.118275] RSP: 002b:00007ffea490fdd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 81.126742] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f641321bf33 # [ 81.134718] RDX: 000000000000000c RSI: 00007f641310c000 RDI: 0000000000000001 # [ 81.142694] RBP: 00007f641310c000 R08: 00007f641310b010 R09: 0000000000000000 # [ 81.150669] R10: 00007f64133161c0 R11: 0000000000000246 R12: 0000000000000001 # [ 81.158643] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 81.166630] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 81.188819] CR2: 0000000000000000 # [ 81.192525] ---[ end trace 7726a933748a4144 ]--- # [ 81.197690] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 81.202073] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 19 70 02 # [ 81.223069] RSP: 0018:ffffb34b41397e60 EFLAGS: 00010286 # [ 81.228913] RAX: ffffffffb72b1b30 RBX: 0000000000000001 RCX: 0000000000000000 # [ 81.236891] RDX: 0000000000000000 RSI: ffff94a17bc1bf70 RDI: ffffffffb7ed9a70 # [ 81.244872] RBP: ffffffffb831b088 R08: 0000000000000001 R09: 0000000000000001 # [ [ 84.922407] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW 81.252851] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 00[ 84.932508] lkdtm: attempting good refcount_add() without overflow 00000000000004 # [ 81.260826] R13: ffffb34b41397f10 R14: ffff[ 84.945644] lkdtm: attempting bad refcount_add() overflow b34b41397f10 R15: ffff94a105f0a000 # [ 81.268802] FS: 00007f[ 84.957940] ------------[ cut here ]------------ 64132f3580(0000) GS:ffff94a17bc00000(0000) knlGS:000000000000000[ 84.969530] refcount_t: saturated; leaking memory. 0 # [ 81.277844] CS: 0010 DS: 0000 ES: 0000 CR0: 00000000800[ 84.980972] WARNING: CPU: 3 PID: 2091 at lib/refcount.c:22 refcount_warn_saturate+0x49/0xf0 50033 # [ 81.284265] CR2: 0000000000000000 CR3: 0000000105ea0[ 84.996679] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 000 CR4: 00000000003506f0 # [ 81.292244] BUG: sleeping functi[ 85.018912] CPU: 3 PID: 2091 Comm: cat Tainted: G D W 5.10.129-cip12 #1 on called from invalid context at include/linux/percpu-rwsem.h:4[ 85.033678] Hardware name: Google Coral/Coral, BIOS 09/29/2020 9 # [ 81.302160] in_atomic(): 0, irqs_disabled(): 1, non_bloc[ 85.046552] RIP: 0010:refcount_warn_saturate+0x49/0xf0 k: 0, pid: 1919, name: cat # [ 81.310623] INFO: lockdep is tu[ 85.058397] Code: 76 01 00 0f 84 a4 00 00 00 c3 85 f6 74 3e 80 3d 48 1d 76 01 00 75 f2 48 c7 c7 60 b9 25 b8 c6 05 38 1d 76 01 01 e8 dd fb 92 00 <0f> 0b c3 80 3d 28 1d 76 01 00 75 d3 48 c7 c7 88 b9 25 b8 c6 05 18 rned off. # [ 81.315004] irq event stamp: 0 # [ 81.318414][ 85.085823] RSP: 0018:ffffb34b42707e48 EFLAGS: 00010286 hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ [ 85.097831] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000 81.325425] hardirqs last disabled at (0): [] c[ 85.111992] RDX: ffff94a17bdac660 RSI: ffff94a17bd9bf70 RDI: ffff94a17bd9bf70 opy_process+0x63c/0x1c80 # [ 81.334572] softirqs last enable[ 85.126106] RBP: ffffffffb82bff03 R08: 0000000000000000 R09: 0000000000000000 d at (0): [] copy_process+0x63c/0x1c80 # [ [ 85.140288] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 81.343713] softirqs last disabled at (0): [<0000000000000000>] 0[ 85.154559] R13: ffffb34b42707f10 R14: ffffb34b42707f10 R15: ffff94a1036b4000 x0 # [ 81.350719] CPU: 0 PID: 1919 Comm: cat Tainted: G [ 85.168727] FS: 00007fed1367f580(0000) GS:ffff94a17bd80000(0000) knlGS:0000000000000000 D W 5.10.129-cip12 #1 # [ 81.359375] Hardware name: G[ 85.183991] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 oogle Coral/Coral, BIOS 09/29/2020 # [ 81.365992] Call Trace[ 85.196707] CR2: 00007fed13498000 CR3: 000000010414a000 CR4: 00000000003506e0 : # [ 81.368731] dump_stack+0x77/0x97 # [ 81.372442] ___[ 85.210859] Call Trace: might_sleep.cold+0xa6/0xb6 # [ 81.377023] exit_signals+0x1c/[ 85.219850] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa3 0x2d0 # [ 81.381022] do_exit+0xd5/0xb00 # [ 81.384525] ?[ 85.231420] direct_entry.cold+0x2c/0x38 ksys_write+0x68/0xe0 # [ 81.388429] rewind_stack_do_exit+0x[ 85.242042] full_proxy_write+0x56/0x80 17/0x20 # [ 81.393105] RIP: 0033:0x7f641321bf33 # [ 81.397[ 85.252595] vfs_write+0xea/0x390 103] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff[ 85.262528] ksys_write+0x68/0xe0 eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 [ 85.272447] do_syscall_64+0x33/0x40 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48[ 85.282687] entry_SYSCALL_64_after_hwframe+0x44/0xa9 89 54 24 18 # [ 81.418096] RSP: 002b:00007ffea490fdd8 EFLAGS[ 85.294552] RIP: 0033:0x7fed135a7f33 : 00000246 ORIG_RAX: 0000000000000001 # [ 81.426559] RAX: fff[ 85.304778] Code: 8b 15 61 ef 0c 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 fffffffffffda RBX: 000000000000000c RCX: 00007f641321bf33 # [ [ 85.332023] RSP: 002b:00007fff001a0538 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 81.434534] RDX: 000000000000000c RSI: 00007f641310c000 RDI: 000[ 85.346700] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fed135a7f33 0000000000001 # [ 81.442509] RBP: 00007f641310c000 R08: 00007[ 85.360915] RDX: 0000000000000016 RSI: 00007fed13498000 RDI: 0000000000000001 f641310b010 R09: 0000000000000000 # [ 81.450483] R10: 00007f6[ 85.375141] RBP: 00007fed13498000 R08: 00007fed13497010 R09: 0000000000000000 4133161c0 R11: 0000000000000246 R12: 0000000000000001 # [ 81.[ 85.389339] R10: 00007fed136a21c0 R11: 0000000000000246 R12: 0000000000000001 458458] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000[ 85.403575] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 000020000 # ACCESS_NULL: saw 'call trace:': ok ok 38 selftests[ 85.417789] irq event stamp: 0 : lkdtm: ACCESS_NULL.sh # selftests: lkdtm: WRITE_RO.sh # Kill[ 85.427425] hardirqs last enabled at (0): [<0000000000000000>] 0x0 ed # [ 81.775285] lkdtm: Performing direct entry WRITE_RO # [ 85.440654] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 81.782806] lkdtm: attempting bad rodata write at ffffffffb7e[ 85.456029] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 d9ef0 # [ 81.789763] BUG: unable to handle page fault for add[ 85.471446] softirqs last disabled at (0): [<0000000000000000>] 0x0 ress: ffffffffb7ed9ef0 # [ 81.797456] #PF: supervisor write a[ 85.484853] ---[ end trace 7726a933748a4149 ]--- ccess in kernel mode # [ 81.803296] #PF: error_code(0x0003) -[ 85.496070] lkdtm: Overflow detected: saturated permissions violation # [ 81.809526] PGD 49229067 P4D 49229067 PUD 4922a063 PMD 8000000048c001e1 # [ 81.823247] Oops: 0003 [#14] SMP PTI # [ 81.827245] CPU: 2 PID: 1954 Comm: cat Tainted: G D W 5.10.129-cip12 #1 # [ 81.842111] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 81.848736] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a # [ 81.853707] Code: 00 48 c7 c7 a8 0c 2c b8 48 c7 c6 f0 9e ed b7 e8 93 9f fd ff 48 8b 05 16 31 5e 00 ba 34 12 cd ab 48 c7 c7 d8 0c 2c b8 48 31 d0 <48> 89 05 00 31 5e 00 e9 71 9f fd ff 0f 1f 44 00 00 48 8b 05 27 55 # [ 81.874696] RSP: 0018:ffffb34b424c7e60 EFLAGS: 00010202 # [ 81.880537] RAX: 000000000198b861 RBX: 0000000000000028 RCX: 0000000000000000 # [ 81.888515] RDX: 00000000abcd1234 RSI: ffff94a17bd1bf70 RDI: ffffffffb82c0cd8 # [ 81.896493] RBP: ffffffffb82bfec5 R08: 0000000000000000 R09: 0000000000000000 # [ 81.904470] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000009 # [ 81.912446] R13: ffffb34b424c7f10 R14: ffffb34b424c7f10 R15: ffff94a105f1e000 # [ 81.920422] FS: 00007fa55ace5580(0000) GS:ffff94a17bd00000(0000) knlGS:0000000000000000 # [ 81.929467] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 81.935891] CR2: ffffffffb7ed9ef0 CR3: 0000000105ea0000 CR4: 00000000003506e0 # [ 81.943869] Call Trace: # [ 81.946611] direct_entry.cold+0x2c/0x38 # [ 81.951009] full_proxy_write+0x56/0x80 # [ 81.955302] vfs_write+0xea/0x390 # [ 81.959009] ksys_write+0x68/0xe0 # [ 81.962718] do_syscall_64+0x33/0x40 # [ 81.966719] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 81.972371] RIP: 0033:0x7fa55ac0df33 # [ 81.976370] Code: 8b 15 61 ef 0c 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 # [ 81.997358] RSP: 002b:00007ffd2c125388 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 82.005824] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007fa55ac0df33 # [ 82.013803] RDX: 0000000000000009 RSI: 00007fa55aafe000 RDI: 0000000000000001 # [ 82.021779] RBP: 00007fa55aafe000 R08: 00007fa55aafd010 R09: 0000000000000000 # [ 82.029757] R10: 00007fa55ad081c0 R11: 0000000000000246 R12: 0000000000000001 # [ 82.037736] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 82.045724] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 82.061707] CR2: ffffffffb7ed9ef0 # [ 82.065417] ---[ end trace 7726a933748a4145 ]--- # [ 82.070582] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 82.074969] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 19 70 02 # [ 82.095967] RSP: 0018:ffffb34b41397e60 EFLAGS: 00010286 # [ 82.101811] RAX: ffffffffb72b1b30 RBX: 0000000000000001 RCX: 0000000000000000 # [ 82.109789] RDX: 0000000000000000 RSI: ffff94a17bc1bf70 RDI: ffffffffb7ed9a70 # [ 82.117765] RBP: ffffffffb831b088 R08: 0000000000000001 R09: 0000000000000001 # [ 82.125745] R10: 00000000ffffe000 R1[ 85.824306] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW 1: 3fffffffffffffff R12: 0000000000000004 # [ 82.133721] R13:[ 85.832083] lkdtm: attempting bad refcount_inc_not_zero() overflow ffffb34b41397f10 R14: ffffb34b41397f10 R15: ffff94a105f0a000 #[ 85.845203] ------------[ cut here ]------------ [ 82.141699] FS: 00007fa55ace5580(0000) GS:ffff94a17bd00000([ 85.856577] refcount_t: saturated; leaking memory. 0000) knlGS:0000000000000000 # [ 82.150747] CS: 0010 DS: 000[ 85.868241] WARNING: CPU: 3 PID: 2123 at lib/refcount.c:19 refcount_warn_saturate+0x87/0xf0 0 ES: 0000 CR0: 0000000080050033 # [ 82.157171] CR2: ffffffff[ 85.883757] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify b7ed9ef0 CR3: 0000000105ea0000 CR4: 00000000003506e0 # WRITE_RO[ 85.905955] CPU: 3 PID: 2123 Comm: cat Tainted: G D W 5.10.129-cip12 #1 : saw 'call trace:': ok ok 39 selftests: lkdtm: WRITE_RO.sh # [ 85.920813] Hardware name: Google Coral/Coral, BIOS 09/29/2020 selftests: lkdtm: WRITE_RO_AFTER_INIT.sh # Killed # [ 82.451[ 85.933668] RIP: 0010:refcount_warn_saturate+0x87/0xf0 369] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT # [ 8[ 85.945654] Code: 05 18 1d 76 01 01 e8 be fb 92 00 0f 0b c3 80 3d 0b 1d 76 01 00 75 b4 48 c7 c7 60 b9 25 b8 c6 05 fb 1c 76 01 01 e8 9f fb 92 00 <0f> 0b c3 80 3d e9 1c 76 01 00 75 95 48 c7 c7 b8 b9 25 b8 c6 05 d9 2.463962] lkdtm: attempting bad ro_after_init write at ffffffffb[ 85.972886] RSP: 0018:ffffb34b42797e38 EFLAGS: 00010282 833c328 # [ 82.471624] BUG: unable to handle page fault for a[ 85.984938] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 ddress: ffffffffb833c328 # [ 82.479314] #PF: supervisor write[ 85.999144] RDX: ffff94a17bdac660 RSI: ffff94a17bd9bf70 RDI: ffff94a17bd9bf70 access in kernel mode # [ 82.485156] #PF: error_code(0x0003)[ 86.013357] RBP: ffffffffb82bfb40 R08: 0000000000000000 R09: 0000000000000000 - permissions violation # [ 82.497598] PGD 49229067 P4D 4922[ 86.027550] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f 9067 PUD 4922a063 PMD 100844163 PTE 800000004913c061 # [ 82.5[ 86.041795] R13: ffffb34b42797f10 R14: ffffb34b42797f10 R15: ffff94a10296e000 12579] Oops: 0003 [#15] SMP PTI # [ 82.516581] CPU: 1 PID: 19[ 86.055971] FS: 00007f30260c8580(0000) GS:ffff94a17bd80000(0000) knlGS:0000000000000000 89 Comm: cat Tainted: G D W 5.10.129-cip12 #1 # [ [ 86.071255] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 82.531443] Hardware name: Google Coral/Coral, BIOS 09/29/2020[ 86.083893] CR2: 00007f3025ee1000 CR3: 000000010511a000 CR4: 00000000003506e0 # [ 82.538073] RIP: 0010:lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a[ 86.098117] Call Trace: # [ 82.544113] Code: 0d 2c b8 e9 45 9f fd ff 48 c7 c7 30 0d [ 86.107140] __refcount_add_not_zero.constprop.0+0x2a/0x31 2c b8 e8 39 9f fd ff 48 8b 05 f4 54 a4 00 ba 34 12 cd ab 48 c7 c[ 86.119764] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x72 7 d8 0c 2c b8 48 31 d0 <48> 89 05 de 54 a4 00 e9 17 9f fd ff 0f [ 86.132020] direct_entry.cold+0x2c/0x38 1f 44 00 00 41 54 48 c7 c7 # [ 82.565111] RSP: 0018:ffffb34b4[ 86.142728] full_proxy_write+0x56/0x80 2567e60 EFLAGS: 00010202 # [ 82.570956] RAX: 00000000fe67479e[ 86.153051] vfs_write+0xea/0x390 RBX: 0000000000000029 RCX: 0000000000000000 # [ 82.578935] R[ 86.163020] ksys_write+0x68/0xe0 DX: 00000000abcd1234 RSI: ffff94a17bc9bf70 RDI: ffffffffb82c0cd8[ 86.173051] do_syscall_64+0x33/0x40 # [ 82.586911] RBP: ffffffffb82bfece R08: 0000000000000000 R[ 86.183127] entry_SYSCALL_64_after_hwframe+0x44/0xa9 09: 0000000000000000 # [ 82.594884] R10: 00000000ffffe000 R11[ 86.195184] RIP: 0033:0x7f3025ff0f33 : 3fffffffffffffff R12: 0000000000000014 # [ 82.602858] R13: [ 86.205332] Code: 8b 15 61 ef 0c 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 ffffb34b42567f10 R14: ffffb34b42567f10 R15: ffff94a1009a2000 # [ 86.232496] RSP: 002b:00007ffde4e0a848 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 82.610839] FS: 00007f028c9f1580(0000) GS:ffff94a17bc80000(0[ 86.247301] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f3025ff0f33 000) knlGS:0000000000000000 # [ 82.619886] CS: 0010 DS: 0000[ 86.261459] RDX: 000000000000001f RSI: 00007f3025ee1000 RDI: 0000000000000001 ES: 0000 CR0: 0000000080050033 # [ 82.626311] CR2: ffffffffb[ 86.275726] RBP: 00007f3025ee1000 R08: 00007f3025ee0010 R09: 0000000000000000 833c328 CR3: 0000000105198000 CR4: 00000000003506e0 # [ 82.63[ 86.289861] R10: 00007f30260eb1c0 R11: 0000000000000246 R12: 0000000000000001 4287] Call Trace: # [ 82.637027] direct_entry.cold+0x2c/0x38[ 86.304018] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 82.641425] full_proxy_write+0x56/0x80 # [ 82.645718][ 86.318383] irq event stamp: 0 vfs_write+0xea/0x390 # [ 82.649425] ksys_write+0x68/0xe0 [ 86.327779] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 82.653133] do_syscall_64+0x33/0x40 # [ 82.657132] ent[ 86.341027] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 ry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 82.662785] RIP: 003[ 86.356404] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 3:0x7f028c919f33 # [ 82.666782] Code: 8b 15 61 ef 0c 00 f7 d8[ 86.371724] softirqs last disabled at (0): [<0000000000000000>] 0x0 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 [ 86.384946] ---[ end trace 7726a933748a414a ]--- 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55[ 86.396323] lkdtm: Overflow detected: saturated c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 82.687782] RSP: 002b:00007ffce9c40e68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 82.696252] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f028c919f33 # [ 82.704227] RDX: 0000000000000014 RSI: 00007f028c80a000 RDI: 0000000000000001 # [ 82.712204] RBP: 00007f028c80a000 R08: 00007f028c809010 R09: 0000000000000000 # [ 82.720181] R10: 00007f028ca141c0 R11: 0000000000000246 R12: 0000000000000001 # [ 82.728160] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 82.736148] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 82.752128] CR2: ffffffffb833c328 # [ 82.755836] ---[ end trace 7726a933748a4146 ]--- # [ 82.760994] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 82.765380] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 19 70 02 # [ 82.786376] RSP: 0018:ffffb34b41397e60 EFLAGS: 00010286 # [ 82.792221] RAX: ffffffffb72b1b30 RBX: 0000000000000001 RCX: 0000000000000000 # [ 82.800200] RDX: 0000000000000000 RSI: ffff94a17bc1bf70 RDI: ffffffffb7ed9a70 # [ 82.808177] RBP: ffffffffb831b088 R08: 0000000000000001 R09: 0000000000000001 # [ 82.816154] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 82.824131] R13: ffffb34b41397f10 R14: ffffb34b41397f10 R15: ffff94a105f0a000 # [ 82.832112] FS: 00007f028c9f1580(0000) GS:ffff94a17bc80000(0000) knlGS:0000000000000000 # [ 82.841161] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 82.847586] CR2: ffffffffb833c328 CR3: 0000000105198000 CR4: 00000000003506e0 # [ 82.855569] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 82.865494] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1989, name: cat # [ 82.873956] INFO: lockdep is turned off. # [ 82.878339] irq event stamp: 0 # [ 82.881750] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 82.888763] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 82.897911] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 82.907054] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 82.914064] CPU: 1 PID: 1989 Comm: cat Tainted: G D W 5.10.129-cip12 #1 # [ 82.922720] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 82.929337] Call Trace: # [ 82.932078] dump_stack+0x77/0x97 # [ 82.935790] ___might_sleep.cold+0xa6/0xb6 # [ 82.940375] exit_signals+0x1c/0x2d0 # [ 82.944375] do_exit+0xd5/0xb00 # [ 82.947887] ? ksys_write+0x68/0xe0 # [ 82.951784] rewind_stack_do_exit+0x17/0x20 # [ 82.962669] RIP: 0033:0x7f028c919f33 # [ 82.966669] Code: 8b 15 61 ef 0c 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 1[ 86.707000] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW [ 86.720043] lkdtm: attempting bad refcount_add_not_zero() overflow 8 # [ 82.987664] RSP: 002b:00007ffce9c40e68 EFLAGS: 00000246 [ 86.727002] ------------[ cut here ]------------ ORIG_RAX: 0000000000000001 # [ 82.996131] RAX: ffffffffffffff[ 86.738414] refcount_t: saturated; leaking memory. da RBX: 0000000000000014 RCX: 00007f028c919f33 # [ 83.004111][ 86.750061] WARNING: CPU: 1 PID: 2155 at lib/refcount.c:19 refcount_warn_saturate+0x87/0xf0 [ 86.765636] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 86.781657] CPU: 1 PID: 2155 Comm: cat Tainted: G D W 5.10.129-cip12 #1 [ 86.790336] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 86.796979] RIP: 0010:refcount_warn_saturate+0x87/0xf0 [ 86.802747] Code: 05 18 1d 76 01 01 e8 be fb 92 00 0f 0b c3 80 3d 0b 1d 76 01 00 75 b4 48 c7 c7 60 b9 25 b8 c6 05 fb 1c 76 01 01 e8 9f fb 92 00 <0f> 0b c3 80 3d e9 1c 76 01 00 75 95 48 c7 c7 b8 b9 25 b8 c6 05 d9 [ 86.823768] RSP: 0018:ffffb34b4281fe38 EFLAGS: 00010282 [ 86.829636] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 [ 86.837644] RDX: ffff94a17bcac660 RSI: ffff94a17bc9bf70 RDI: ffff94a17bc9bf70 [ 86.845652] RBP: ffffffffb82bfb60 R08: 0000000000000000 R09: 0000000000000000 [ 86.853659] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f [ 86.861662] R13: ffffb34b4281ff10 R14: ffffb34b4281ff10 R15: ffff94a1028ec000 [ 86.869667] FS: 00007fcdacc32580(0000) GS:ffff94a17bc80000(0000) knlGS:0000000000000000 [ 86.878734] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 86.885181] CR2: 00007fcdaca4b000 CR3: 0000000105058000 CR4: 00000000003506e0 [ 86.893180] Call Trace: [ 86.895947] __refcount_add_not_zero.constprop.0+0x2a/0x31 [ 86.902110] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x72 [ 86.908374] direct_entry.cold+0x2c/0x38 [ 86.912800] full_proxy_write+0x56/0x80 [ 86.917119] vfs_write+0xea/0x390 [ 86.920853] ksys_write+0x68/0xe0 [ 86.924587] do_syscall_64+0x33/0x40 [ 86.928611] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 86.934290] RIP: 0033:0x7fcdacb5af33 [ 86.938311] Code: 8b 15 61 ef 0c 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 [ 86.959334] RSP: 002b:00007ffc6a1fed08 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 86.967827] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fcdacb5af33 [ 86.975827] RDX: 000000000000001f RSI: 00007fcdaca4b000 RDI: 0000000000000001 [ 86.983833] RBP: 00007fcdaca4b000 R08: 00007fcdaca4a010 R09: 0000000000000000 [ 86.991836] R10: 00007fcdacc551c0 R11: 0000000000000246 R12: 0000000000000001 [ 86.999838] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 87.007850] irq event stamp: 0 [ 87.011290] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 87.018326] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 RDX: 0000000000000014 RSI: 00007f028c80a000 RDI: 00000000000000[ 87.027512] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 01 # [ 83.012090] RBP: 00007f028c80a000 R08: 00007f028c809010[ 87.042881] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 87.056107] ---[ end trace 7726a933748a414b ]--- [ 87.061292] lkdtm: Overflow detected: saturated R09: 0000000000000000 # [ 83.020064] R10: 00007f028ca141c0 R11: 0000000000000246 R12: 0000000000000001 # [ 83.028040] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # WRITE_RO_AFTER_INIT: saw 'call trace:': ok ok 40 selftests: lkdtm: WRITE_RO_AFTER_INIT.sh # selftests: lkdtm: WRITE_KERN.sh # Killed # [ 83.374643] lkdtm: Performing direct entry WRITE_KERN # [ 83.383970] lkdtm: attempting bad 6573652 byte write at ffffffffb78f6d54 # [ 83.397711] BUG: unable to handle page fault for address: ffffffffb78f6d54 # [ 83.411544] #PF: supervisor write access in kernel mode # [ 83.417382] #PF: error_code(0x0003) - permissions violation # [ 83.423609] PGD 49229067 P4D 49229067 PUD 4922a063 PMD 486001e1 # [ 83.430339] Oops: 0003 [#16] SMP PTI # [ 83.434338] CPU: 3 PID: 2024 Comm: cat Tainted: G D W 5.10.129-cip12 #1 # [ 83.442988] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 83.449616] RIP: 0010:lkdtm_WRITE_KERN+0x38/0x4e # [ 83.454780] Code: 53 48 c7 c3 54 6d 8f b7 49 89 dc 48 89 da 49 81 ec 00 1f 2b b7 4c 89 e6 e8 ec 9e fd ff 48 89 df 4c 89 e1 48 c7 c6 00 1f 2b b7 a4 48 c7 c7 d8 0c 2c b8 e8 d1 9e fd ff 5b 41 5c e9 b7 fe ff ff # [ 83.475762] RSP: 0018:ffffb34b42607e50 EFLAGS: 00010246 # [ 83.481603] RAX: 000000000000003c RBX: ffffffffb78f6d54 RCX: 0000000000644e54 # [ 83.489575] RDX: 0000000000000000 RSI: ffffffffb72b1f00 RDI: ffffffffb78f6d54 # [ 83.497549] RBP: ffffffffb82bfee2 R08: 0000000000000000 R09: 0000000000000000 # [ 83.505525] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000644e54 # [ 83.513500] R13: ffffb34b42607f10 R14: ffffb34b42607f10 R15: ffff94a103633000 # [ 83.521476] FS: 00007f704d218580(0000) GS:ffff94a17bd80000(0000) knlGS:0000000000000000 # [ 83.530518] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 83.536938] CR2: ffffffffb78f6d54 CR3: 00000001027e6000 CR4: 00000000003506e0 # [ 83.544911] Call Trace: # [ 83.547652] direct_entry.cold+0x2c/0x38 # [ 83.552045] full_proxy_write+0x56/0x80 # [ 83.556336] vfs_write+0xea/0x390 # [ 83.560042] ksys_write+0x68/0xe0 # [ 83.563749] do_syscall_64+0x33/0x40 # [ 83.567747] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 83.573397] RIP: 0033:0x7f704d140f33 # [ 83.577394] Code: 8b 15 61 ef 0c 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 # [ 83.598387] RSP: 002b:00007ffe743c9628 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 83.606856] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f704d140f33 # [ 83.614831] RDX: 000000000000000b RSI: 00007f704d031000 RDI: 0000000000000001 # [ 83.622805] RBP: 00007f704d031000 R08: 00007f704d030010 R09: 0000000000000000 # [ 83.630779] R10: 00007f704d23b1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 83.638753] R13: 0000000000000001 R14: 0000000000020000[ 87.357010] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO R15: 0000000000020000 # [ 83.646739] Modules linked in: fuse[ 87.365100] lkdtm: attempting good refcount_dec() ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs cros_ec[ 87.376556] lkdtm: attempting bad refcount_dec() to zero _lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 87.388714] ------------[ cut here ]------------ [ 83.662711] CR2: ffffffffb78f6d54 # [ 83.666417] ---[ end [ 87.400172] refcount_t: decrement hit 0; leaking memory. trace 7726a933748a4147 ]--- # [ 83.671581] RIP: 0010:lkdtm_BU[ 87.412381] WARNING: CPU: 3 PID: 2187 at lib/refcount.c:31 refcount_warn_saturate+0xdf/0xf0 G+0x5/0x10 # [ 83.675966] Code: 5b a5 ff 48 c7 c0 ea ff ff ff[ 87.427856] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc [ 87.450058] CPU: 3 PID: 2187 Comm: cat Tainted: G D W 5.10.129-cip12 #1 cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00[ 87.464919] Hardware name: Google Coral/Coral, BIOS 09/29/2020 00 0f 1f 44 00 00 83 05 e0 19 70 02 # [ 83.696955] RSP: 0018[ 87.477799] RIP: 0010:refcount_warn_saturate+0xdf/0xf0 :ffffb34b41397e60 EFLAGS: 00010286 # [ 83.702795] RAX: ffffff[ 87.489742] Code: ff 48 c7 c7 10 ba 25 b8 c6 05 b4 1c 76 01 01 e8 5d fb 92 00 0f 0b c3 48 c7 c7 e0 b9 25 b8 c6 05 9f 1c 76 01 01 e8 47 fb 92 00 <0f> 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b 07 3d 00 00 ffb72b1b30 RBX: 0000000000000001 RCX: 0000000000000000 # [ 83[ 87.516990] RSP: 0018:ffffb34b428afe48 EFLAGS: 00010286 .710769] RDX: 0000000000000000 RSI: ffff94a17bc1bf70 RDI: ffffff[ 87.529035] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000 ffb7ed9a70 # [ 83.718743] RBP: ffffffffb831b088 R08: 00000000[ 87.543258] RDX: ffff94a17bdac660 RSI: ffff94a17bd9bf70 RDI: ffff94a17bd9bf70 00000001 R09: 0000000000000001 # [ 83.726715] R10: 00000000ff[ 87.557453] RBP: ffffffffb82bff19 R08: 0000000000000000 R09: 0000000000000000 ffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 83.734[ 87.571683] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 689] R13: ffffb34b41397f10 R14: ffffb34b41397f10 R15: ffff94a105[ 87.585875] R13: ffffb34b428aff10 R14: ffffb34b428aff10 R15: ffff94a105315000 f0a000 # [ 83.742663] FS: 00007f704d218580(0000) GS:ffff94a1[ 87.600087] FS: 00007f5264e6b580(0000) GS:ffff94a17bd80000(0000) knlGS:0000000000000000 7bd80000(0000) knlGS:0000000000000000 # [ 83.751705] CS: 001[ 87.615410] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 0 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 83.758126] CR2:[ 87.628020] CR2: 00007f5264c84000 CR3: 00000001051a6000 CR4: 00000000003506e0 ffffffffb78f6d54 CR3: 00000001027e6000 CR4: 00000000003506e0 #[ 87.642304] Call Trace: [ 83.766104] BUG: sleeping function called from invalid conte[ 87.651548] lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xb9 xt at include/linux/percpu-rwsem.h:49 # [ 83.776021] in_atomi[ 87.662477] direct_entry.cold+0x2c/0x38 c(): 0, irqs_disabled(): 1, non_block: 0, pid: 2024, name: cat [ 87.673257] full_proxy_write+0x56/0x80 # [ 83.784483] INFO: lockdep is turned off. # [ 83.788864] [ 87.683723] vfs_write+0xea/0x390 irq event stamp: 0 # [ 83.792276] hardirqs last enabled at ([ 87.693588] ksys_write+0x68/0xe0 0): [<0000000000000000>] 0x0 # [ 83.799287] hardirqs last dis[ 87.703485] do_syscall_64+0x33/0x40 abled at (0): [] copy_process+0x63c/0x1c80 # [ 87.713746] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 83.808428] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 83.817568] softirqs last dis[ 87.735810] Code: 8b 15 61 ef 0c 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 abled at (0): [<0000000000000000>] 0x0 # [ 83.824575] CPU: 3 [ 87.762999] RSP: 002b:00007ffcb7db6078 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 PID: 2024 Comm: cat Tainted: G D W 5.10.129-cip12 #[ 87.777738] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f5264d93f33 1 # [ 83.833228] Hardware name: Google Coral/Coral, BIOS 09/[ 87.791851] RDX: 0000000000000012 RSI: 00007f5264c84000 RDI: 0000000000000001 29/2020 # [ 83.839845] Call Trace: # [ 83.842585] dump_st[ 87.806213] RBP: 00007f5264c84000 R08: 00007f5264c83010 R09: 0000000000000000 ack+0x77/0x97 # [ 83.846292] ___might_sleep.cold+0xa6/0xb6 [ 87.820370] R10: 00007f5264e8e1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 83.850873] exit_signals+0x1c/0x2d0 # [ 83.854869] do_[ 87.834601] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 exit+0xd5/0xb00 # [ 83.858379] ? ksys_write+0x68/0xe0 # [ [ 87.848859] irq event stamp: 0 83.862280] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 # [ 83.86[ 87.858324] hardirqs last enabled at (0): [<0000000000000000>] 0x0 7733] rewind_stack_do_exit+0x17/0x20 # [ 83.872407] RIP: 003[ 87.871745] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 3:0x7f704d140f33 # [ 83.876400] Code: 8b 15 61 ef 0c 00 f7 d8[ 87.887001] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 [ 87.902471] softirqs last disabled at (0): [<0000000000000000>] 0x0 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55[ 87.915688] ---[ end trace 7726a933748a414c ]--- c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 83.897389] RSP[ 87.927166] lkdtm: Zero detected: saturated : 002b:00007ffe743c9628 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 83.905854] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f704d140f33 # [ 83.913830] RDX: 000000000000000b RSI: 00007f704d031000 RDI: 0000000000000001 # [ 83.921804] RBP: 00007f704d031000 R08: 00007f704d030010 R09: 0000000000000000 # [ 83.929779] R10: 00007f704d23b1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 83.937754] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # WRITE_KERN: saw 'call trace:': ok ok 41 selftests: lkdtm: WRITE_KERN.sh # selftests: lkdtm: REFCOUNT_INC_OVERFLOW.sh # [ 84.273823] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW # [ 84.282138] lkdtm: attempting good refcount_inc() without overflow # [ 84.289097] lkdtm: attempting bad refcount_inc() overflow # [ 84.301362] ------------[ cut here ]------------ # [ 84.312734] refcount_t: saturated; leaking memory. # [ 84.324379] WARNING: CPU: 1 PID: 2059 at lib/refcount.c:22 refcount_warn_saturate+0x49/0xf0 # [ 84.339890] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 84.362100] CPU: 1 PID: 2059 Comm: cat Tainted: G D W 5.10.129-cip12 #1 # [ 84.370787] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 84.377434] RIP: 0010:refcount_warn_saturate+0x49/0xf0 # [ 84.383202] Code: 76 01 00 0f 84 a4 00 00 00 c3 85 f6 74 3e 80 3d 48 1d 76 01 00 75 f2 48 c7 c7 60 b9 25 b8 c6 05 38 1d 76 01 01 e8 dd fb 92 00 <0f> 0b c3 80 3d 28 1d 76 01 00 75 d3 48 c7 c7 88 b9 25 b8 c6 05 18 # [ 84.404273] RSP: 0018:ffffb34b4267fe48 EFLAGS: 00010286 # [ 84.416381] RAX: 0000000000000000 RBX: 000000000000002b RCX: 0000000000000000 # [ 84.424385] RDX: ffff94a17bcac660 RSI: ffff94a17bc9bf70 RDI: ffff94a17bc9bf70 # [ 84.432382] RBP: ffffffffb82bfeed R08: 0000000000000000 R09: 0000000000000000 # [ 84.440381] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 84.448368] R13: ffffb34b4267ff10 R14: ffffb34b4267ff10 R15: ffff94a1034d7000 # [ 84.456367] FS: 00007fe137c63580(0000) GS:ffff94a17bc80000(0000) knlGS:0000000000000000 # [ 84.465436] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 84.471878] CR2: 00007fe137a7c000 CR3: 0000000105ec8000 CR4: 00000000003506e0 # [ 84.486089] Call Trace: # [ 84.488853] lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x94 # [ 84.494239] direct_entry.cold+0x2c/0x38 # [ 84.498653] full_proxy_write+0x56/0x80 # [ 84.502971] vfs_write+0xea/0x390 # [ 84.506704] ksys_write+0x68/0xe0 # [ 84.510435] do_syscall_64+0x33/0x40 # [ 84.514457] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 84.520131] RIP: 0033:0x7fe137b8bf33 # [ 84.524151] Code: 8b 15 61 ef 0c 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 # [ 84.545168] RSP: 002b:00007ffc4eeb7cb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 84.553661] RAX: ffffffffffffffda RBX: 000000000000001[ 88.241966] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE [ 88.249183] lkdtm: attempting bad refcount_dec() below zero [ 88.255437] ------------[ cut here ]------------ 6 RCX: 00007fe137b8bf33 # [ 84.561661] RDX: 0000000000000016 [ 88.260620] refcount_t: decrement hit 0; leaking memory. RSI: 00007fe137a7c000 RDI: 0000000000000001 # [ 84.569653] RB[ 88.272851] WARNING: CPU: 1 PID: 2222 at lib/refcount.c:31 refcount_warn_saturate+0xdf/0xf0 [ 88.288345] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 88.304363] CPU: 1 PID: 2222 Comm: cat Tainted: G D W 5.10.129-cip12 #1 [ 88.313042] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 88.319686] RIP: 0010:refcount_warn_saturate+0xdf/0xf0 [ 88.325456] Code: ff 48 c7 c7 10 ba 25 b8 c6 05 b4 1c 76 01 01 e8 5d fb 92 00 0f 0b c3 48 c7 c7 e0 b9 25 b8 c6 05 9f 1c 76 01 01 e8 47 fb 92 00 <0f> 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b 07 3d 00 00 [ 88.346475] RSP: 0018:ffffb34b42937e48 EFLAGS: 00010286 [ 88.352341] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000 [ 88.360339] RDX: ffff94a17bcac660 RSI: ffff94a17bc9bf70 RDI: ffff94a17bc9bf70 [ 88.368343] RBP: ffffffffb82bff2b R08: 0000000000000000 R09: 0000000000000000 [ 88.376342] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 [ 88.384340] R13: ffffb34b42937f10 R14: ffffb34b42937f10 R15: ffff94a105018000 [ 88.392341] FS: 00007f6987201580(0000) GS:ffff94a17bc80000(0000) knlGS:0000000000000000 [ 88.401410] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 88.407851] CR2: 00007f698701a000 CR3: 0000000105210000 CR4: 00000000003506e0 [ 88.415853] Call Trace: [ 88.418617] lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x5d [ 88.424002] direct_entry.cold+0x2c/0x38 [ 88.428409] full_proxy_write+0x56/0x80 [ 88.432732] vfs_write+0xea/0x390 [ 88.436463] ksys_write+0x68/0xe0 [ 88.440195] do_syscall_64+0x33/0x40 [ 88.444217] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 88.449885] RIP: 0033:0x7f6987129f33 [ 88.453903] Code: 8b 15 61 ef 0c 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 P: 00007fe137a7c000 R08: 00007fe137a7b010 R09: 0000000000000000[ 88.474915] RSP: 002b:00007ffe5a3d7f18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 88.489586] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f6987129f33 [ 88.497590] RDX: 0000000000000016 RSI: 00007f698701a000 RDI: 0000000000000001 [ 88.505585] RBP: 00007f698701a000 R08: 00007f6987019010 R09: 0000000000000000 [ 88.513582] R10: 00007f69872241c0 R11: 0000000000000246 R12: 0000000000000001 [ 88.521580] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 88.529588] irq event stamp: 0 [ 88.533021] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 84.577656] R10: 00007fe137c861c0 R11: 0000000000000246 R1[ 88.540052] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 88.555430] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 2: 0000000000000001 # [ 84.585653] R13: 0000000000000001 R14:[ 88.564594] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 88.577824] ---[ end trace 7726a933748a414d ]--- [ 88.583007] lkdtm: Negative detected: saturated 0000000000020000 R15: 0000000000020000 # [ 84.593664] irq event stamp: 0 # [ 84.597105] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 84.610334] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 84.619496] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 84.628664] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 84.635692] ---[ end trace 7726a933748a4148 ]--- # [ 84.640872] 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 # [ 84.922407] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW # [ 84.932508] lkdtm: attempting good refcount_add() without overflow # [ 84.945644] lkdtm: attempting bad refcount_add() overflow # [ 84.957940] ------------[ cut here ]------------ # [ 84.969530] refcount_t: saturated; leaking memory. # [ 84.980972] WARNING: CPU: 3 PID: 2091 at lib/refcount.c:22 refcount_warn_saturate+0x49/0xf0 # [ 84.996679] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 85.018912] CPU: 3 PID: 2091 Comm: cat Tainted: G D W 5.10.129-cip12 #1 # [ 85.033678] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 85.046552] RIP: 0010:refcount_warn_saturate+0x49/0xf0 # [ 85.058397] Code: 76 01 00 0f 84 a4 00 00 00 c3 85 f6 74 3e 80 3d 48 1d 76 01 00 75 f2 48 c7 c7 60 b9 25 b8 c6 05 38 1d 76 01 01 e8 dd fb 92 00 <0f> 0b c3 80 3d 28 1d 76 01 00 75 d3 48 c7 c7 88 b9 25 b8 c6 05 18 # [ 85.085823] RSP: 0018:ffffb34b42707e48 EFLAGS: 00010286 # [ 85.097831] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000 # [ 85.111992] RDX: ffff94a17bdac660 RSI: ffff94a17bd9bf70 RDI: ffff94a17bd9bf70 # [ 85.126106] RBP: ffffffffb82bff03 R08: 0000000000000000 R09: 0000000000000000 # [ 85.140288] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 85.154559] R13: ffffb34b42707f10 R14: ffffb34b42707f10 R15: ffff94a1036b4000 # [ 85.168727] FS: 00007fed1367f580(0000) GS:ffff94a17bd80000(0000) knlGS:0000000000000000 # [ 85.183991] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 85.196707] CR2: 00007fed13498000 CR3: 000000010414a000 CR4: 00000000003506e0 # [ 85.210859] Call Trace: # [ 85.219850] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa3 # [ 85.231420] direct_entry.cold+0x2c/0x38 # [ 85.242042] full_proxy_write+0x56/0x80 # [ 85.252595] vfs_write+0xea/0x390 # [ 85.262528] ksys_write+0x68/0xe0 # [ 85.272447] do_syscall_64+0x33/0x40 # [ 85.282687] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 85.294552] RIP: 0033:0x7fed135a7f33 # [ 85.304778] Code: 8b 15 61 ef 0c 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 # [ 85.332023] RSP: 002b:00007fff001a0538 EFLAGS: 00000246 ORIG_RAX: 0000000000000001[ 88.892676] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE [ 88.900469] lkdtm: attempting bad refcount_dec_and_test() below zero [ 88.907635] ------------[ cut here ]------------ # [ 85.346700] RAX: ffffffffffffffda RBX: 0000000000000016 RC[ 88.912821] refcount_t: underflow; use-after-free. X: 00007fed135a7f33 # [ 85.360915] RDX: 0000000000000016 RSI:[ 88.924468] WARNING: CPU: 1 PID: 2257 at lib/refcount.c:28 refcount_warn_saturate+0xa6/0xf0 [ 88.940040] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 00007fed13498000 RDI: 0000000000000001 # [ 85.375141] RBP: 0[ 88.956099] CPU: 1 PID: 2257 Comm: cat Tainted: G D W 5.10.129-cip12 #1 0007fed13498000 R08: 00007fed13497010 R09: 0000000000000000 # [[ 88.971026] Hardware name: Google Coral/Coral, BIOS 09/29/2020 85.389339] R10: 00007fed136a21c0 R11: 0000000000000246 R12: 0[ 88.983867] RIP: 0010:refcount_warn_saturate+0xa6/0xf0 000000000000001 # [ 85.403575] R13: 0000000000000001 R14: 000[ 88.995835] Code: 05 fb 1c 76 01 01 e8 9f fb 92 00 0f 0b c3 80 3d e9 1c 76 01 00 75 95 48 c7 c7 b8 b9 25 b8 c6 05 d9 1c 76 01 01 e8 80 fb 92 00 <0f> 0b c3 80 3d c8 1c 76 01 00 0f 85 72 ff ff ff 48 c7 c7 10 ba 25 0000000020000 R15: 0000000000020000 # [ 85.417789] irq event [ 89.023052] RSP: 0018:ffffb34b429c7e40 EFLAGS: 00010286 stamp: 0 # [ 85.427425] hardirqs last enabled at (0): [<0000[ 89.035116] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000 000000000000>] 0x0 # [ 85.440654] hardirqs last disabled at ([ 89.049317] RDX: ffff94a17bcac660 RSI: ffff94a17bc9bf70 RDI: ffff94a17bc9bf70 0): [] copy_process+0x63c/0x1c80 # [ 85.456[ 89.063512] RBP: ffffffffb82bfb80 R08: 0000000000000000 R09: 0000000000000000 029] softirqs last enabled at (0): [] copy_pr[ 89.077716] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f ocess+0x63c/0x1c80 # [ 85.471446] softirqs last disabled at ([ 89.091915] R13: ffffb34b429c7f10 R14: ffffb34b429c7f10 R15: ffff94a105ebe000 0): [<0000000000000000>] 0x0[ 89.106121] FS: 00007f2aab7d4580(0000) GS:ffff94a17bc80000(0000) knlGS:0000000000000000 [ 89.117895] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 85.484853] ---[ end trace 7726a933748a4149 ]--- # [ 85.[ 89.124520] CR2: 00007f2aab5ed000 CR3: 00000001053f2000 CR4: 00000000003506e0 496070] lkdtm: Overflow detected: saturated # REFCOUNT_ADD_OVER[ 89.138721] Call Trace: FLOW: saw 'call trace:': ok ok 43 selftests: lkdtm: REFCOUNT_AD[ 89.147685] __refcount_sub_and_test.constprop.0+0x34/0x40 D_OVERFLOW.sh # selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_OVERFLO[ 89.160038] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x74 W.sh # [ 85.824306] lkdtm: Performing direct entry REFCOUNT_I[ 89.172489] direct_entry.cold+0x2c/0x38 NC_NOT_ZERO_OVERFLOW # [ 85.832083] lkdtm: attempting bad ref[ 89.183092] full_proxy_write+0x56/0x80 count_inc_not_zero() overflow # [ 85.845203] ------------[ cu[ 89.193608] vfs_write+0xea/0x390 t here ]------------ # [ 85.856577] refcount_t: saturated; le[ 89.203535] ksys_write+0x68/0xe0 aking memory. # [ 85.868241] WARNING: CPU: 3 PID: 2123 at lib[ 89.213482] do_syscall_64+0x33/0x40 [ 89.223722] entry_SYSCALL_64_after_hwframe+0x44/0xa9 /refcount.c:19 refcount_warn_saturate+0x87/0xf0 # [ 85.883757[ 89.229403] RIP: 0033:0x7f2aab6fcf33 [ 89.239608] Code: 8b 15 61 ef 0c 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 [ 89.260631] RSP: 002b:00007ffde8eaca58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 89.269125] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f2aab6fcf33 [ 89.277139] RDX: 000000000000001f RSI: 00007f2aab5ed000 RDI: 0000000000000001 [ 89.285149] RBP: 00007f2aab5ed000 R08: 00007f2aab5ec010 R09: 0000000000000000 [ 89.293152] R10: 00007f2aab7f71c0 R11: 0000000000000246 R12: 0000000000000001 [ 89.301155] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_char[ 89.309172] irq event stamp: 0 [ 89.318830] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 89.325868] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 89.335042] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 89.344211] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 89.351243] ---[ end trace 7726a933748a414e ]--- [ 89.356429] lkdtm: Negative detected: saturated dev cros_ec_sysfs cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 85.905955] CPU: 3 PID: 2123 Comm: cat Tainted: G D W 5.10.129-cip12 #1 # [ 85.920813] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 85.933668] RIP: 0010:refcount_warn_saturate+0x87/0xf0 # [ 85.945654] Code: 05 18 1d 76 01 01 e8 be fb 92 00 0f 0b c3 80 3d 0b 1d 76 01 00 75 b4 48 c7 c7 60 b9 25 b8 c6 05 fb 1c 76 01 01 e8 9f fb 92 00 <0f> 0b c3 80 3d e9 1c 76 01 00 75 95 48 c7 c7 b8 b9 25 b8 c6 05 d9 # [ 85.972886] RSP: 0018:ffffb34b42797e38 EFLAGS: 00010282 # [ 85.984938] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 # [ 85.999144] RDX: ffff94a17bdac660 RSI: ffff94a17bd9bf70 RDI: ffff94a17bd9bf70 # [ 86.013357] RBP: ffffffffb82bfb40 R08: 0000000000000000 R09: 0000000000000000 # [ 86.027550] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 86.041795] R13: ffffb34b42797f10 R14: ffffb34b42797f10 R15: ffff94a10296e000 # [ 86.055971] FS: 00007f30260c8580(0000) GS:ffff94a17bd80000(0000) knlGS:0000000000000000 # [ 86.071255] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 86.083893] CR2: 00007f3025ee1000 CR3: 000000010511a000 CR4: 00000000003506e0 # [ 86.098117] Call Trace: # [ 86.107140] __refcount_add_not_zero.constprop.0+0x2a/0x31 # [ 86.119764] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x72 # [ 86.132020] direct_entry.cold+0x2c/0x38 # [ 86.142728] full_proxy_write+0x56/0x80 # [ 86.153051] vfs_write+0xea/0x390 # [ 86.163020] ksys_write+0x68/0xe0 # [ 86.173051] do_syscall_64+0x33/0x40 # [ 86.183127] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 86.195184] RIP: 0033:0x7f3025ff0f33 # [ 86.205332] Code: 8b 15 61 ef 0c 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 # [ 86.232496] RSP: 002b:00007ffde4e0a848 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 86.247301] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f3025ff0f33 # [ 86.261459] RDX: 000000000000001f RSI: 00007f3025ee1000 RDI: 0000000000000001 # [ 86.275726] RBP: 00007f3025ee1000 R08: 00007f3025ee0010 R09: 0000000000000000 # [ 86.289861] R10: 00007f30260eb1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 86.304018] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 86.318383] irq event stamp: 0 # [ 86.327779] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 86.341027] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 86.356404] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 86.371724] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 86.384946] ---[ end trace 7726a933748a414a ]--- # [ 86.396323] 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 # [ 86.707000] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW # [ 86.720043] lkdtm: attempting bad refcount_add_not_zero() overflow # [ 86.727002] ------------[ cut here ]------------ # [ 86.738414] refcount_t: saturated; leaking memory. # [ 86.750061] WARNING: CPU: 1 PID: 2155 at lib/refcount.c:19 refcoun[ 89.691599] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE t_warn_saturate+0x87/0xf0 # [ 86.765636] Modules linked in: f[ 89.704973] lkdtm: attempting bad refcount_sub_and_test() below zero [ 89.718311] ------------[ cut here ]------------ [ 89.723499] refcount_t: underflow; use-after-free. use ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs cros[ 89.728927] WARNING: CPU: 2 PID: 2292 at lib/refcount.c:28 refcount_warn_saturate+0xa6/0xf0 [ 89.744467] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 89.760481] CPU: 2 PID: 2292 Comm: cat Tainted: G D W 5.10.129-cip12 #1 [ 89.769162] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 89.775810] RIP: 0010:refcount_warn_saturate+0xa6/0xf0 [ 89.781587] Code: 05 fb 1c 76 01 01 e8 9f fb 92 00 0f 0b c3 80 3d e9 1c 76 01 00 75 95 48 c7 c7 b8 b9 25 b8 c6 05 d9 1c 76 01 01 e8 80 fb 92 00 <0f> 0b c3 80 3d c8 1c 76 01 00 0f 85 72 ff ff ff 48 c7 c7 10 ba 25 [ 89.802608] RSP: 0018:ffffb34b42a47e40 EFLAGS: 00010286 [ 89.808475] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000 [ 89.816480] RDX: ffff94a17bd2c660 RSI: ffff94a17bd1bf70 RDI: ffff94a17bd1bf70 [ 89.824487] RBP: ffffffffb82bfba0 R08: 0000000000000000 R09: 0000000000000000 [ 89.832483] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f [ 89.840481] R13: ffffb34b42a47f10 R14: ffffb34b42a47f10 R15: ffff94a1050b9000 [ 89.848476] FS: 00007fb4ac85d580(0000) GS:ffff94a17bd00000(0000) knlGS:0000000000000000 [ 89.857544] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 89.863981] CR2: 00007fb4ac676000 CR3: 0000000105f78000 CR4: 00000000003506e0 [ 89.871973] Call Trace: [ 89.874742] __refcount_sub_and_test.constprop.0+0x34/0x40 _ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify[ 89.880905] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x77 [ 89.893377] direct_entry.cold+0x2c/0x38 [ 89.897803] full_proxy_write+0x56/0x80 [ 89.902129] vfs_write+0xea/0x390 [ 89.905864] ksys_write+0x68/0xe0 [ 89.909599] do_syscall_64+0x33/0x40 [ 89.913624] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 89.919299] RIP: 0033:0x7fb4ac785f33 [ 89.923319] Code: 8b 15 61 ef 0c 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 [ 89.944352] RSP: 002b:00007ffe9b15a978 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 89.952843] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fb4ac785f33 [ 89.960842] RDX: 000000000000001f RSI: 00007fb4ac676000 RDI: 0000000000000001 [ 89.968842] RBP: 00007fb4ac676000 R08: 00007fb4ac675010 R09: 0000000000000000 # [ 86.781657] CPU: 1 PID: 2155 Comm: cat Tainted: G D W[ 89.976828] R10: 00007fb4ac8801c0 R11: 0000000000000246 R12: 0000000000000001 [ 89.991029] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 5.10.129-cip12 #1 # [ 86.790336] Hardware name: Goog[ 89.999039] irq event stamp: 0 [ 90.008675] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 90.015716] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 le Coral/Coral, BIOS 09/29/2020 # [ 86.796979] RIP: 0010:ref[ 90.024894] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 90.040241] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 90.047269] ---[ end trace 7726a933748a414f ]--- [ 90.052446] lkdtm: Negative detected: saturated count_warn_saturate+0x87/0xf0 # [ 86.802747] Code: 05 18 1d 76 01 01 e8 be fb 92 00 0f 0b c3 80 3d 0b 1d 76 01 00 75 b4 48 c7 c7 60 b9 25 b8 c6 05 fb 1c 76 01 01 e8 9f fb 92 00 <0f> 0b c3 80 3d e9 1c 76 01 00 75 95 48 c7 c7 b8 b9 25 b8 c6 05 d9 # [ 86.823768] RSP: 0018:ffffb34b4281fe38 EFLAGS: 00010282 # [ 86.829636] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 # [ 86.837644] RDX: ffff94a17bcac660 RSI: ffff94a17bc9bf70 RDI: ffff94a17bc9bf70 # [ 86.845652] RBP: ffffffffb82bfb60 R08: 0000000000000000 R09: 0000000000000000 # [ 86.853659] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 86.861662] R13: ffffb34b4281ff10 R14: ffffb34b4281ff10 R15: ffff94a1028ec000 # [ 86.869667] FS: 00007fcdacc32580(0000) GS:ffff94a17bc80000(0000) knlGS:0000000000000000 # [ 86.878734] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 86.885181] CR2: 00007fcdaca4b000 CR3: 0000000105058000 CR4: 00000000003506e0 # [ 86.893180] Call Trace: # [ 86.895947] __refcount_add_not_zero.constprop.0+0x2a/0x31 # [ 86.902110] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x72 # [ 86.908374] direct_entry.cold+0x2c/0x38 # [ 86.912800] full_proxy_write+0x56/0x80 # [ 86.917119] vfs_write+0xea/0x390 # [ 86.920853] ksys_write+0x68/0xe0 # [ 86.924587] do_syscall_64+0x33/0x40 # [ 86.928611] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 86.934290] RIP: 0033:0x7fcdacb5af33 # [ 86.938311] Code: 8b 15 61 ef 0c 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 # [ 86.959334] RSP: 002b:00007ffc6a1fed08 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 86.967827] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fcdacb5af33 # [ 86.975827] RDX: 000000000000001f RSI: 00007fcdaca4b000 RDI: 0000000000000001 # [ 86.983833] RBP: 00007fcdaca4b000 R08: 00007fcdaca4a010 R09: 0000000000000000 # [ 86.991836] R10: 00007fcdacc551c0 R11: 0000000000000246 R12: 0000000000000001 # [ 86.999838] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 87.007850] irq event stamp: 0 # [ 87.011290] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 87.018326] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 87.027512] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 87.042881] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 87.056107] ---[ end trace 7726a933748a414b ]--- # [ 87.061292] 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 # [ 87.357010] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO # [ 87.365100] lkdtm: attempting good refcount_dec() # [ 87.376556] lkdtm: attempting bad refcount_dec() to zero # [ 87.388714] ------------[ cut here ]------------ # [ 90.354833] lkdtm: Performing direct entry REFCOUNT_INC_ZERO [ 90.362370] lkdtm: attempting safe refcount_inc_not_zero() from zero [ 90.369503] lkdtm: Good: zero detected [ 90.373715] lkdtm: Correctly stayed at zero [ 90.378408] lkdtm: attempting bad refcount_inc() from zero [ 90.384561] ------------[ cut here ]------------ [ 90.389740] refcount_t: addition on 0; use-after-free. [ 90.395554] WARNING: CPU: 2 PID: 2324 at lib/refcount.c:25 refcount_warn_saturate+0x68/0xf0 [ 87.400172] refcount_t: decrement hit 0; leaking memory. # [[ 90.404912] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 90.427106] CPU: 2 PID: 2324 Comm: cat Tainted: G D W 5.10.129-cip12 #1 [ 90.435793] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 90.442443] RIP: 0010:refcount_warn_saturate+0x68/0xf0 [ 90.448212] Code: 05 38 1d 76 01 01 e8 dd fb 92 00 0f 0b c3 80 3d 28 1d 76 01 00 75 d3 48 c7 c7 88 b9 25 b8 c6 05 18 1d 76 01 01 e8 be fb 92 00 <0f> 0b c3 80 3d 0b 1d 76 01 00 75 b4 48 c7 c7 60 b9 25 b8 c6 05 fb [ 90.469232] RSP: 0018:ffffb34b42acfe48 EFLAGS: 00010286 [ 90.475096] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000 [ 90.483101] RDX: ffff94a17bd2c660 RSI: ffff94a17bd1bf70 RDI: ffff94a17bd1bf70 [ 90.491104] RBP: ffffffffb82bff41 R08: 0000000000000000 R09: 0000000000000000 [ 90.499104] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 [ 90.507103] R13: ffffb34b42acff10 R14: ffffb34b42acff10 R15: ffff94a105e15000 [ 90.515096] FS: 00007fbbe6ada580(0000) GS:ffff94a17bd00000(0000) knlGS:0000000000000000 [ 90.524164] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 90.530609] CR2: 00007fbbe68f3000 CR3: 0000000102644000 CR4: 00000000003506e0 [ 90.538607] Call Trace: [ 90.541373] lkdtm_REFCOUNT_INC_ZERO+0x99/0xbd [ 90.546375] direct_entry.cold+0x2c/0x38 [ 90.550796] full_proxy_write+0x56/0x80 [ 90.555119] vfs_write+0xea/0x390 [ 90.558851] ksys_write+0x68/0xe0 [ 90.562589] do_syscall_64+0x33/0x40 [ 90.566612] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 90.572286] RIP: 0033:0x7fbbe6a02f33 [ 90.576304] Code: 8b 15 61 ef 0c 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 [ 90.597326] RSP: 002b:00007ffc60c92fc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 90.605815] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fbbe6a02f33 [ 90.613815] RDX: 0000000000000012 RSI: 00007fbbe68f3000 RDI: 0000000000000001 [ 90.621817] RBP: 00007fbbe68f3000 R08: 00007fbbe68f2010 R09: 0000000000000000 87.412381] WARNING: CPU: 3 PID: 2187 at lib/refcount.c:31 ref[ 90.629810] R10: 00007fbbe6afd1c0 R11: 0000000000000246 R12: 0000000000000001 [ 90.644013] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 count_warn_saturate+0xdf/0xf0 # [ 87.427856] Modules linked i[ 90.652019] irq event stamp: 0 [ 90.661646] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 90.668678] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 90.677838] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 90.687008] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 90.694033] ---[ end trace 7726a933748a4150 ]--- [ 90.699266] lkdtm: Zero detected: saturated n: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 87.450058] CPU: 3 PID: 2187 Comm: cat Tainted: G D W 5.10.129-cip12 #1 # [ 87.464919] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 87.477799] RIP: 0010:refcount_warn_saturate+0xdf/0xf0 # [ 87.489742] Code: ff 48 c7 c7 10 ba 25 b8 c6 05 b4 1c 76 01 01 e8 5d fb 92 00 0f 0b c3 48 c7 c7 e0 b9 25 b8 c6 05 9f 1c 76 01 01 e8 47 fb 92 00 <0f> 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b 07 3d 00 00 # [ 87.516990] RSP: 0018:ffffb34b428afe48 EFLAGS: 00010286 # [ 87.529035] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000 # [ 87.543258] RDX: ffff94a17bdac660 RSI: ffff94a17bd9bf70 RDI: ffff94a17bd9bf70 # [ 87.557453] RBP: ffffffffb82bff19 R08: 0000000000000000 R09: 0000000000000000 # [ 87.571683] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 87.585875] R13: ffffb34b428aff10 R14: ffffb34b428aff10 R15: ffff94a105315000 # [ 87.600087] FS: 00007f5264e6b580(0000) GS:ffff94a17bd80000(0000) knlGS:0000000000000000 # [ 87.615410] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 87.628020] CR2: 00007f5264c84000 CR3: 00000001051a6000 CR4: 00000000003506e0 # [ 87.642304] Call Trace: # [ 87.651548] lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xb9 # [ 87.662477] direct_entry.cold+0x2c/0x38 # [ 87.673257] full_proxy_write+0x56/0x80 # [ 87.683723] vfs_write+0xea/0x390 # [ 87.693588] ksys_write+0x68/0xe0 # [ 87.703485] do_syscall_64+0x33/0x40 # [ 87.713746] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 87.725590] RIP: 0033:0x7f5264d93f33 # [ 87.735810] Code: 8b 15 61 ef 0c 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 # [ 87.762999] RSP: 002b:00007ffcb7db6078 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 87.777738] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f5264d93f33 # [ 87.791851] RDX: 0000000000000012 RSI: 00007f5264c84000 RDI: 0000000000000001 # [ 87.806213] RBP: 00007f5264c84000 R08: 00007f5264c83010 R09: 0000000000000000 # [ 87.820370] R10: 00007f5264e8e1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 87.834601] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 87.848859] irq event stamp: 0 # [ 87.858324] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 87.871745] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 87.887001] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 87.902471] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 87.915688] ---[ end trace 7726a933748a414c ]--- # [ 87.927166] lkdtm: Zero detected: saturated # REFCOUNT_DEC_ZERO: saw 'call trace:': ok ok 46 selftests: lkdtm: REFCOUNT_DEC_ZERO.sh # selftests: lkdtm: REFCOUNT_DEC_NEGATIVE.sh # [ 88.241966] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE # [ 88.249183] lkdtm: attempting bad refcount_dec() below zero # [ 88.25543[ 91.010006] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO [ 91.021255] lkdtm: attempting safe refcount_add_not_zero() from zero [ 91.028406] lkdtm: Good: zero detected 7] ------------[ cut here ]------------ # [ 88.260620] refcou[ 91.032618] lkdtm: Correctly stayed at zero nt_t: decrement hit 0; leaking memory. # [ 88.272851] WARNING[ 91.043520] lkdtm: attempting bad refcount_add() from zero [ 91.055876] ------------[ cut here ]------------ [ 91.061061] refcount_t: addition on 0; use-after-free. [ 91.066878] WARNING: CPU: 2 PID: 2356 at lib/refcount.c:25 refcount_warn_saturate+0x68/0xf0 [ 91.076249] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 91.092302] CPU: 2 PID: 2356 Comm: cat Tainted: G D W 5.10.129-cip12 #1 [ 91.101013] Hardware name: Google Coral/Coral, BIOS 09/29/2020 : CPU: 1 PID: 2222 at lib/refcount.c:31 refcount_warn_saturate+0[ 91.107657] RIP: 0010:refcount_warn_saturate+0x68/0xf0 [ 91.119617] Code: 05 38 1d 76 01 01 e8 dd fb 92 00 0f 0b c3 80 3d 28 1d 76 01 00 75 d3 48 c7 c7 88 b9 25 b8 c6 05 18 1d 76 01 01 e8 be fb 92 00 <0f> 0b c3 80 3d 0b 1d 76 01 00 75 b4 48 c7 c7 60 b9 25 b8 c6 05 fb [ 91.140637] RSP: 0018:ffffb34b42b37e48 EFLAGS: 00010286 [ 91.146502] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000 [ 91.154501] RDX: ffff94a17bd2c660 RSI: ffff94a17bd1bf70 RDI: ffff94a17bd1bf70 [ 91.162502] RBP: ffffffffb82bff53 R08: 0000000000000000 R09: 0000000000000000 [ 91.170503] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 [ 91.178501] R13: ffffb34b42b37f10 R14: ffffb34b42b37f10 R15: ffff94a105246000 [ 91.186502] FS: 00007f0d17aa7580(0000) GS:ffff94a17bd00000(0000) knlGS:0000000000000000 [ 91.195569] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 91.202012] CR2: 00007f0d178c0000 CR3: 00000001049e2000 CR4: 00000000003506e0 [ 91.210013] Call Trace: [ 91.212768] lkdtm_REFCOUNT_ADD_ZERO+0x99/0xbd [ 91.217764] direct_entry.cold+0x2c/0x38 [ 91.222169] full_proxy_write+0x56/0x80 [ 91.226478] vfs_write+0xea/0x390 [ 91.230208] ksys_write+0x68/0xe0 [ 91.233940] do_syscall_64+0x33/0x40 [ 91.237962] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 91.243631] RIP: 0033:0x7f0d179cff33 [ 91.247651] Code: 8b 15 61 ef 0c 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 [ 91.268665] RSP: 002b:00007ffd01de00f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 91.277153] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f0d179cff33 [ 91.285150] RDX: 0000000000000012 RSI: 00007f0d178c0000 RDI: 0000000000000001 [ 91.293146] RBP: 00007f0d178c0000 R08: 00007f0d178bf010 R09: 0000000000000000 [ 91.301145] R10: 00007f0d17aca1c0 R11: 0000000000000246 R12: 0000000000000001 xdf/0xf0 # [ 88.288345] Modules linked in: fuse ip_tables cro[ 91.309146] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 s_ec_debugfs cros_ec_chardev cros_ec_sysfs cros_ec_lightbar x86_[ 91.323354] irq event stamp: 0 pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 88.304363][ 91.332978] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 91.346224] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 91.355392] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 91.364557] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 91.371576] ---[ end trace 7726a933748a4151 ]--- [ 91.376747] lkdtm: Zero detected: saturated CPU: 1 PID: 2222 Comm: cat Tainted: G D W 5.10.129-cip12 #1 # [ 88.313042] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 88.319686] RIP: 0010:refcount_warn_saturate+0xdf/0xf0 # [ 88.325456] Code: ff 48 c7 c7 10 ba 25 b8 c6 05 b4 1c 76 01 01 e8 5d fb 92 00 0f 0b c3 48 c7 c7 e0 b9 25 b8 c6 05 9f 1c 76 01 01 e8 47 fb 92 00 <0f> 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b 07 3d 00 00 # [ 88.346475] RSP: 0018:ffffb34b42937e48 EFLAGS: 00010286 # [ 88.352341] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000 # [ 88.360339] RDX: ffff94a17bcac660 RSI: ffff94a17bc9bf70 RDI: ffff94a17bc9bf70 # [ 88.368343] RBP: ffffffffb82bff2b R08: 0000000000000000 R09: 0000000000000000 # [ 88.376342] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 88.384340] R13: ffffb34b42937f10 R14: ffffb34b42937f10 R15: ffff94a105018000 # [ 88.392341] FS: 00007f6987201580(0000) GS:ffff94a17bc80000(0000) knlGS:0000000000000000 # [ 88.401410] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 88.407851] CR2: 00007f698701a000 CR3: 0000000105210000 CR4: 00000000003506e0 # [ 88.415853] Call Trace: # [ 88.418617] lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x5d # [ 88.424002] direct_entry.cold+0x2c/0x38 # [ 88.428409] full_proxy_write+0x56/0x80 # [ 88.432732] vfs_write+0xea/0x390 # [ 88.436463] ksys_write+0x68/0xe0 # [ 88.440195] do_syscall_64+0x33/0x40 # [ 88.444217] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 88.449885] RIP: 0033:0x7f6987129f33 # [ 88.453903] Code: 8b 15 61 ef 0c 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 # [ 88.474915] RSP: 002b:00007ffe5a3d7f18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 88.489586] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f6987129f33 # [ 88.497590] RDX: 0000000000000016 RSI: 00007f698701a000 RDI: 0000000000000001 # [ 88.505585] RBP: 00007f698701a000 R08: 00007f6987019010 R09: 0000000000000000 # [ 88.513582] R10: 00007f69872241c0 R11: 0000000000000246 R12: 0000000000000001 # [ 88.521580] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 88.529588] irq event stamp: 0 # [ 88.533021] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 88.540052] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 88.555430] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 88.564594] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 88.577824] ---[ end trace 7726a933748a414d ]--- # [ 88.583007] lkdtm: Negative detected: saturated # REFCOUNT_DEC_NEGATIVE: saw 'Negative detected: saturated': ok ok 47 selftests: lkdtm: REFCOUNT_DEC_NEGATIVE.sh # selftests: lkdtm: REFCOUNT_DEC_AND_TEST_NEGATIVE.sh # [ 88.892676] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE # [ 88.900469] lkdtm: attempting bad refcount_dec_and_test() below zero # [ 88.907635] ------------[ cut here ]------------ # [ 88.912821] refcount_t: underflow; use-after-free. # [ 88.924468] WARNING: CPU: 1 PID: 2257 at lib/refco[ 91.694772] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED [ 91.705445] lkdtm: attempting bad refcount_inc() from saturated [ 91.712091] ------------[ cut here ]------------ [ 91.717286] refcount_t: saturated; leaking memory. unt.c:28 refcount_warn_saturate+0xa6/0xf0 # [ 88.940040] Modu[ 91.722708] WARNING: CPU: 2 PID: 2391 at lib/refcount.c:22 refcount_warn_saturate+0x49/0xf0 [ 91.738236] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 91.754249] CPU: 2 PID: 2391 Comm: cat Tainted: G D W 5.10.129-cip12 #1 [ 91.762923] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 91.769571] RIP: 0010:refcount_warn_saturate+0x49/0xf0 [ 91.775341] Code: 76 01 00 0f 84 a4 00 00 00 c3 85 f6 74 3e 80 3d 48 1d 76 01 00 75 f2 48 c7 c7 60 b9 25 b8 c6 05 38 1d 76 01 01 e8 dd fb 92 00 <0f> 0b c3 80 3d 28 1d 76 01 00 75 d3 48 c7 c7 88 b9 25 b8 c6 05 18 [ 91.796369] RSP: 0018:ffffb34b42bc7e48 EFLAGS: 00010286 [ 91.802232] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000 [ 91.810235] RDX: ffff94a17bd2c660 RSI: ffff94a17bd1bf70 RDI: ffff94a17bd1bf70 [ 91.818240] RBP: ffffffffb82bff65 R08: 0000000000000000 R09: 0000000000000000 [ 91.826241] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 [ 91.834238] R13: ffffb34b42bc7f10 R14: ffffb34b42bc7f10 R15: ffff94a105c27000 [ 91.842235] FS: 00007f9898cd7580(0000) GS:ffff94a17bd00000(0000) knlGS:0000000000000000 [ 91.851300] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 91.857741] CR2: 00007f9898af0000 CR3: 0000000102782000 CR4: 00000000003506e0 [ 91.865736] Call Trace: [ 91.868499] lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x60 les linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cr[ 91.873980] direct_entry.cold+0x2c/0x38 [ 91.884616] full_proxy_write+0x56/0x80 os_ec_sysfs cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cr[ 91.888931] vfs_write+0xea/0x390 [ 91.898868] ksys_write+0x68/0xe0 [ 91.902600] do_syscall_64+0x33/0x40 [ 91.906621] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 91.912293] RIP: 0033:0x7f9898bfff33 [ 91.916311] Code: 8b 15 61 ef 0c 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 [ 91.937331] RSP: 002b:00007ffc3c8f0ff8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 91.945823] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f9898bfff33 [ 91.953828] RDX: 0000000000000017 RSI: 00007f9898af0000 RDI: 0000000000000001 [ 91.961826] RBP: 00007f9898af0000 R08: 00007f9898aef010 R09: 0000000000000000 [ 91.969822] R10: 00007f9898cfa1c0 R11: 0000000000000246 R12: 0000000000000001 [ 91.977819] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 os_usbpd_notify # [ 88.956099] CPU: 1 PID: 2257 Comm: cat Tai[ 91.985823] irq event stamp: 0 nted: G D W 5.10.129-cip12 #1 # [ 88.971026] Har[ 91.995463] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 92.008704] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 92.017876] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 92.027043] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 92.034067] ---[ end trace 7726a933748a4152 ]--- [ 92.039246] lkdtm: Saturation detected: still saturated dware name: Google Coral/Coral, BIOS 09/29/2020 # [ 88.983867] RIP: 0010:refcount_warn_saturate+0xa6/0xf0 # [ 88.995835] Code: 05 fb 1c 76 01 01 e8 9f fb 92 00 0f 0b c3 80 3d e9 1c 76 01 00 75 95 48 c7 c7 b8 b9 25 b8 c6 05 d9 1c 76 01 01 e8 80 fb 92 00 <0f> 0b c3 80 3d c8 1c 76 01 00 0f 85 72 ff ff ff 48 c7 c7 10 ba 25 # [ 89.023052] RSP: 0018:ffffb34b429c7e40 EFLAGS: 00010286 # [ 89.035116] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000 # [ 89.049317] RDX: ffff94a17bcac660 RSI: ffff94a17bc9bf70 RDI: ffff94a17bc9bf70 # [ 89.063512] RBP: ffffffffb82bfb80 R08: 0000000000000000 R09: 0000000000000000 # [ 89.077716] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 89.091915] R13: ffffb34b429c7f10 R14: ffffb34b429c7f10 R15: ffff94a105ebe000 # [ 89.106121] FS: 00007f2aab7d4580(0000) GS:ffff94a17bc80000(0000) knlGS:0000000000000000 # [ 89.117895] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 89.124520] CR2: 00007f2aab5ed000 CR3: 00000001053f2000 CR4: 00000000003506e0 # [ 89.138721] Call Trace: # [ 89.147685] __refcount_sub_and_test.constprop.0+0x34/0x40 # [ 89.160038] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x74 # [ 89.172489] direct_entry.cold+0x2c/0x38 # [ 89.183092] full_proxy_write+0x56/0x80 # [ 89.193608] vfs_write+0xea/0x390 # [ 89.203535] ksys_write+0x68/0xe0 # [ 89.213482] do_syscall_64+0x33/0x40 # [ 89.223722] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 89.229403] RIP: 0033:0x7f2aab6fcf33 # [ 89.239608] Code: 8b 15 61 ef 0c 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 # [ 89.260631] RSP: 002b:00007ffde8eaca58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 89.269125] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f2aab6fcf33 # [ 89.277139] RDX: 000000000000001f RSI: 00007f2aab5ed000 RDI: 0000000000000001 # [ 89.285149] RBP: 00007f2aab5ed000 R08: 00007f2aab5ec010 R09: 0000000000000000 # [ 89.293152] R10: 00007f2aab7f71c0 R11: 0000000000000246 R12: 0000000000000001 # [ 89.301155] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 89.309172] irq event stamp: 0 # [ 89.318830] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 89.325868] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 89.335042] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 89.344211] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 89.351243] ---[ end trace 7726a933748a414e ]--- # [ 89.356429] 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 # [ 89.691599] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE # [ 89.704973] lkdtm: attempting bad refcount_sub_and_test() below zero # [ 89.718311] ------------[ cut here ]------------ # [ 89.723499] refcount_t: underflow; use-after-free. # [ 89.728927] WARNING: CPU: 2 PID: 2292 at lib/refcount[ 92.356990] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED .c:28 refcount_warn_saturate+0xa6/0xf0 # [ 89.744467] Modules[ 92.369123] lkdtm: attempting bad refcount_dec() from saturated [ 92.381994] ------------[ cut here ]------------ [ 92.387180] refcount_t: decrement hit 0; leaking memory. [ 92.393190] WARNING: CPU: 2 PID: 2426 at lib/refcount.c:31 refcount_warn_saturate+0xdf/0xf0 [ 92.402551] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 92.418559] CPU: 2 PID: 2426 Comm: cat Tainted: G D W 5.10.129-cip12 #1 [ 92.427255] Hardware name: Google Coral/Coral, BIOS 09/29/2020 linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_[ 92.433902] RIP: 0010:refcount_warn_saturate+0xdf/0xf0 [ 92.445870] Code: ff 48 c7 c7 10 ba 25 b8 c6 05 b4 1c 76 01 01 e8 5d fb 92 00 0f 0b c3 48 c7 c7 e0 b9 25 b8 c6 05 9f 1c 76 01 01 e8 47 fb 92 00 <0f> 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b 07 3d 00 00 ec_sysfs cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_[ 92.466890] RSP: 0018:ffffb34b42c47e48 EFLAGS: 00010286 [ 92.478973] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000 [ 92.486974] RDX: ffff94a17bd2c660 RSI: ffff94a17bd1bf70 RDI: ffff94a17bd1bf70 [ 92.494980] RBP: ffffffffb82bff7c R08: 0000000000000000 R09: 0000000000000000 [ 92.502983] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 [ 92.510984] R13: ffffb34b42c47f10 R14: ffffb34b42c47f10 R15: ffff94a105dba000 [ 92.518986] FS: 00007faf570fb580(0000) GS:ffff94a17bd00000(0000) knlGS:0000000000000000 [ 92.528057] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 92.534509] CR2: 00007faf56f14000 CR3: 0000000103d4a000 CR4: 00000000003506e0 [ 92.542508] Call Trace: [ 92.545275] lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5b [ 92.550760] direct_entry.cold+0x2c/0x38 [ 92.555178] full_proxy_write+0x56/0x80 [ 92.559505] vfs_write+0xea/0x390 [ 92.563229] ksys_write+0x68/0xe0 [ 92.566954] do_syscall_64+0x33/0x40 [ 92.570977] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 92.576651] RIP: 0033:0x7faf57023f33 [ 92.580671] Code: 8b 15 61 ef 0c 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 [ 92.601690] RSP: 002b:00007ffc43522758 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 92.610183] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007faf57023f33 [ 92.618184] RDX: 0000000000000017 RSI: 00007faf56f14000 RDI: 0000000000000001 [ 92.626185] RBP: 00007faf56f14000 R08: 00007faf56f13010 R09: 0000000000000000 [ 92.634184] R10: 00007faf5711e1c0 R11: 0000000000000246 R12: 0000000000000001 usbpd_notify # [ 89.760481] CPU: 2 PID: 2292 Comm: cat Tainte[ 92.642193] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 d: G D W 5.10.129-cip12 #1 # [ 89.769162] Hardwa[ 92.656383] irq event stamp: 0 re name: Google Coral/Coral, BIOS 09/29/2020 # [ 89.775810] [ 92.666005] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 92.679239] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 92.688409] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 92.697567] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 92.704597] ---[ end trace 7726a933748a4153 ]--- [ 92.709786] lkdtm: Saturation detected: still saturated RIP: 0010:refcount_warn_saturate+0xa6/0xf0 # [ 89.781587] Code: 05 fb 1c 76 01 01 e8 9f fb 92 00 0f 0b c3 80 3d e9 1c 76 01 00 75 95 48 c7 c7 b8 b9 25 b8 c6 05 d9 1c 76 01 01 e8 80 fb 92 00 <0f> 0b c3 80 3d c8 1c 76 01 00 0f 85 72 ff ff ff 48 c7 c7 10 ba 25 # [ 89.802608] RSP: 0018:ffffb34b42a47e40 EFLAGS: 00010286 # [ 89.808475] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000 # [ 89.816480] RDX: ffff94a17bd2c660 RSI: ffff94a17bd1bf70 RDI: ffff94a17bd1bf70 # [ 89.824487] RBP: ffffffffb82bfba0 R08: 0000000000000000 R09: 0000000000000000 # [ 89.832483] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 89.840481] R13: ffffb34b42a47f10 R14: ffffb34b42a47f10 R15: ffff94a1050b9000 # [ 89.848476] FS: 00007fb4ac85d580(0000) GS:ffff94a17bd00000(0000) knlGS:0000000000000000 # [ 89.857544] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 89.863981] CR2: 00007fb4ac676000 CR3: 0000000105f78000 CR4: 00000000003506e0 # [ 89.871973] Call Trace: # [ 89.874742] __refcount_sub_and_test.constprop.0+0x34/0x40 # [ 89.880905] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x77 # [ 89.893377] direct_entry.cold+0x2c/0x38 # [ 89.897803] full_proxy_write+0x56/0x80 # [ 89.902129] vfs_write+0xea/0x390 # [ 89.905864] ksys_write+0x68/0xe0 # [ 89.909599] do_syscall_64+0x33/0x40 # [ 89.913624] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 89.919299] RIP: 0033:0x7fb4ac785f33 # [ 89.923319] Code: 8b 15 61 ef 0c 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 # [ 89.944352] RSP: 002b:00007ffe9b15a978 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 89.952843] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fb4ac785f33 # [ 89.960842] RDX: 000000000000001f RSI: 00007fb4ac676000 RDI: 0000000000000001 # [ 89.968842] RBP: 00007fb4ac676000 R08: 00007fb4ac675010 R09: 0000000000000000 # [ 89.976828] R10: 00007fb4ac8801c0 R11: 0000000000000246 R12: 0000000000000001 # [ 89.991029] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 89.999039] irq event stamp: 0 # [ 90.008675] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 90.015716] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 90.024894] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 90.040241] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 90.047269] ---[ end trace 7726a933748a414f ]--- # [ 90.052446] 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 # [ 90.354833] lkdtm: Performing direct entry REFCOUNT_INC_ZERO # [ 90.362370] lkdtm: attempting safe refcount_inc_not_zero() from zero # [ 90.369503] lkdtm: Good: zero detected # [ 90.373715] lkdtm: Correctly stayed at zero # [ 90.378408] lkdtm: attempting bad refcount_inc() from zero # [ 90.384561] ------------[ cut here ]------------ # [ 90.389740] refcount_t: addition on 0; use-after-free. # [ 90.395554] WARNING: CPU: 2 PID: 2324 at lib/r[ 93.036252] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED efcount.c:25 refcount_warn_saturate+0x68/0xf0 # [ 90.404912] [ 93.045885] lkdtm: attempting bad refcount_dec() from saturated [ 93.058759] ------------[ cut here ]------------ Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_charde[ 93.063932] refcount_t: saturated; leaking memory. [ 93.075569] WARNING: CPU: 1 PID: 2461 at lib/refcount.c:22 refcount_warn_saturate+0x49/0xf0 v cros_ec_sysfs cros_ec_lightbar x86_pkg_temp_thermal cros_ec_de[ 93.084926] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 93.107147] CPU: 1 PID: 2461 Comm: cat Tainted: G D W 5.10.129-cip12 #1 [ 93.115863] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 93.122526] RIP: 0010:refcount_warn_saturate+0x49/0xf0 [ 93.128296] Code: 76 01 00 0f 84 a4 00 00 00 c3 85 f6 74 3e 80 3d 48 1d 76 01 00 75 f2 48 c7 c7 60 b9 25 b8 c6 05 38 1d 76 01 01 e8 dd fb 92 00 <0f> 0b c3 80 3d 28 1d 76 01 00 75 d3 48 c7 c7 88 b9 25 b8 c6 05 18 [ 93.149307] RSP: 0018:ffffb34b42cb7e48 EFLAGS: 00010286 [ 93.155168] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000 [ 93.163163] RDX: ffff94a17bcac660 RSI: ffff94a17bc9bf70 RDI: ffff94a17bc9bf70 [ 93.171156] RBP: ffffffffb82bff93 R08: 0000000000000000 R09: 0000000000000000 [ 93.179151] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 [ 93.187142] R13: ffffb34b42cb7f10 R14: ffffb34b42cb7f10 R15: ffff94a1053ab000 [ 93.195135] FS: 00007fe2d023c580(0000) GS:ffff94a17bc80000(0000) knlGS:0000000000000000 [ 93.204197] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 93.210633] CR2: 00007fe2d0055000 CR3: 0000000103630000 CR4: 00000000003506e0 [ 93.218631] Call Trace: [ 93.221392] lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x60 [ 93.226872] direct_entry.cold+0x2c/0x38 [ 93.231285] full_proxy_write+0x56/0x80 [ 93.235599] vfs_write+0xea/0x390 [ 93.239330] ksys_write+0x68/0xe0 [ 93.243061] do_syscall_64+0x33/0x40 [ 93.247081] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 93.252752] RIP: 0033:0x7fe2d0164f33 [ 93.256770] Code: 8b 15 61 ef 0c 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 [ 93.277791] RSP: 002b:00007ffdb33b0238 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 93.286278] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007fe2d0164f33 [ 93.294270] RDX: 0000000000000017 RSI: 00007fe2d0055000 RDI: 0000000000000001 [ 93.302261] RBP: 00007fe2d0055000 R08: 00007fe2d0054010 R09: 0000000000000000 [ 93.310256] R10: 00007fe2d025f1c0 R11: 0000000000000246 R12: 0000000000000001 [ 93.318250] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 93.326257] irq event stamp: 0 v cros_usbpd_notify # [ 90.427106] CPU: 2 PID: 2324 Comm: cat[ 93.329699] hardirqs last enabled at (0): [<0000000000000000>] 0x0 Tainted: G D W 5.10.129-cip12 #1 # [ 90.435793][ 93.342915] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 90.4[ 93.358279] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 93.373647] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 93.380673] ---[ end trace 7726a933748a4154 ]--- [ 93.385846] lkdtm: Saturation detected: still saturated 42443] RIP: 0010:refcount_warn_saturate+0x68/0xf0 # [ 90.448212] Code: 05 38 1d 76 01 01 e8 dd fb 92 00 0f 0b c3 80 3d 28 1d 76 01 00 75 d3 48 c7 c7 88 b9 25 b8 c6 05 18 1d 76 01 01 e8 be fb 92 00 <0f> 0b c3 80 3d 0b 1d 76 01 00 75 b4 48 c7 c7 60 b9 25 b8 c6 05 fb # [ 90.469232] RSP: 0018:ffffb34b42acfe48 EFLAGS: 00010286 # [ 90.475096] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000 # [ 90.483101] RDX: ffff94a17bd2c660 RSI: ffff94a17bd1bf70 RDI: ffff94a17bd1bf70 # [ 90.491104] RBP: ffffffffb82bff41 R08: 0000000000000000 R09: 0000000000000000 # [ 90.499104] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 90.507103] R13: ffffb34b42acff10 R14: ffffb34b42acff10 R15: ffff94a105e15000 # [ 90.515096] FS: 00007fbbe6ada580(0000) GS:ffff94a17bd00000(0000) knlGS:0000000000000000 # [ 90.524164] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 90.530609] CR2: 00007fbbe68f3000 CR3: 0000000102644000 CR4: 00000000003506e0 # [ 90.538607] Call Trace: # [ 90.541373] lkdtm_REFCOUNT_INC_ZERO+0x99/0xbd # [ 90.546375] direct_entry.cold+0x2c/0x38 # [ 90.550796] full_proxy_write+0x56/0x80 # [ 90.555119] vfs_write+0xea/0x390 # [ 90.558851] ksys_write+0x68/0xe0 # [ 90.562589] do_syscall_64+0x33/0x40 # [ 90.566612] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 90.572286] RIP: 0033:0x7fbbe6a02f33 # [ 90.576304] Code: 8b 15 61 ef 0c 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 # [ 90.597326] RSP: 002b:00007ffc60c92fc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 90.605815] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fbbe6a02f33 # [ 90.613815] RDX: 0000000000000012 RSI: 00007fbbe68f3000 RDI: 0000000000000001 # [ 90.621817] RBP: 00007fbbe68f3000 R08: 00007fbbe68f2010 R09: 0000000000000000 # [ 90.629810] R10: 00007fbbe6afd1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 90.644013] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 90.652019] irq event stamp: 0 # [ 90.661646] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 90.668678] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 90.677838] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 90.687008] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 90.694033] ---[ end trace 7726a933748a4150 ]--- # [ 90.699266] 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 # [ 91.010006] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO # [ 91.021255] lkdtm: attempting safe refcount_add_not_zero() from zero # [ 91.028406] lkdtm: Good: zero detected # [ 91.032618] lkdtm: Correctly stayed at zero # [ 91.043520] lkdtm: attempting bad refcount_add() from zero # [ 91.055876] ------------[ cut here ]------------ # [ 91.061061] refcount_t: addition on 0; use-after-free. # [ 91.066878] WARNING: CPU: 2 PID: 2356 at lib/refcount.c:25 refcount_warn_saturate+0x68/0xf0 # [ 9[ 93.708060] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED [ 93.716555] lkdtm: attempting bad refcount_inc_not_zero() from saturated [ 93.724091] ------------[ cut here ]------------ [ 93.729283] refcount_t: saturated; leaking memory. 1.076249] Modules linked in: fuse ip_tables cros_ec_debugfs cros[ 93.734707] WARNING: CPU: 2 PID: 2493 at lib/refcount.c:19 refcount_warn_saturate+0x87/0xf0 [ 93.750225] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 93.766231] CPU: 2 PID: 2493 Comm: cat Tainted: G D W 5.10.129-cip12 #1 [ 93.774915] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 93.781564] RIP: 0010:refcount_warn_saturate+0x87/0xf0 [ 93.787342] Code: 05 18 1d 76 01 01 e8 be fb 92 00 0f 0b c3 80 3d 0b 1d 76 01 00 75 b4 48 c7 c7 60 b9 25 b8 c6 05 fb 1c 76 01 01 e8 9f fb 92 00 <0f> 0b c3 80 3d e9 1c 76 01 00 75 95 48 c7 c7 b8 b9 25 b8 c6 05 d9 [ 93.808359] RSP: 0018:ffffb34b42d57e38 EFLAGS: 00010282 [ 93.814226] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 [ 93.822225] RDX: ffff94a17bd2c660 RSI: ffff94a17bd1bf70 RDI: ffff94a17bd1bf70 [ 93.830225] RBP: ffffffffb82bfbc0 R08: 0000000000000000 R09: 0000000000000000 [ 93.838233] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 [ 93.846235] R13: ffffb34b42d57f10 R14: ffffb34b42d57f10 R15: ffff94a106410000 [ 93.854236] FS: 00007fcdb317b580(0000) GS:ffff94a17bd00000(0000) knlGS:0000000000000000 [ 93.863306] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 93.869751] CR2: 00007fcdb2f94000 CR3: 0000000106418000 CR4: 00000000003506e0 [ 93.877743] Call Trace: [ 93.880511] __refcount_add_not_zero.constprop.0+0x2a/0x31 [ 93.886679] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x72 [ 93.893038] direct_entry.cold+0x2c/0x38 [ 93.897453] full_proxy_write+0x56/0x80 [ 93.901800] vfs_write+0xea/0x390 [ 93.905533] ksys_write+0x68/0xe0 [ 93.909273] do_syscall_64+0x33/0x40 [ 93.913290] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 93.918963] RIP: 0033:0x7fcdb30a3f33 [ 93.922983] Code: 8b 15 61 ef 0c 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 [ 93.943997] RSP: 002b:00007ffd9b704b58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 93.952490] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fcdb30a3f33 [ 93.960478] RDX: 0000000000000020 RSI: 00007fcdb2f94000 RDI: 0000000000000001 [ 93.968482] RBP: 00007fcdb2f94000 R08: 00007fcdb2f93010 R09: 0000000000000000 [ 93.976482] R10: 00007fcdb319e1c0 R11: 0000000000000246 R12: 0000000000000001 [ 93.984483] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 93.992492] irq event stamp: 0 _ec_chardev cros_ec_sysfs cros_ec_lightbar x86_pkg_temp_thermal [ 93.995933] hardirqs last enabled at (0): [<0000000000000000>] 0x0 cros_ec_dev cros_usbpd_notify # [ 91.092302] CPU: 2 PID: 2356[ 94.009169] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 Comm: cat Tainted: G D W 5.10.129-cip12 #1 # [ [ 94.024536] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 94.039909] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 94.046931] ---[ end trace 7726a933748a4155 ]--- [ 94.052112] lkdtm: Saturation detected: still saturated 91.101013] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 91.107657] RIP: 0010:refcount_warn_saturate+0x68/0xf0 # [ 91.119617] Code: 05 38 1d 76 01 01 e8 dd fb 92 00 0f 0b c3 80 3d 28 1d 76 01 00 75 d3 48 c7 c7 88 b9 25 b8 c6 05 18 1d 76 01 01 e8 be fb 92 00 <0f> 0b c3 80 3d 0b 1d 76 01 00 75 b4 48 c7 c7 60 b9 25 b8 c6 05 fb # [ 91.140637] RSP: 0018:ffffb34b42b37e48 EFLAGS: 00010286 # [ 91.146502] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000 # [ 91.154501] RDX: ffff94a17bd2c660 RSI: ffff94a17bd1bf70 RDI: ffff94a17bd1bf70 # [ 91.162502] RBP: ffffffffb82bff53 R08: 0000000000000000 R09: 0000000000000000 # [ 91.170503] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 91.178501] R13: ffffb34b42b37f10 R14: ffffb34b42b37f10 R15: ffff94a105246000 # [ 91.186502] FS: 00007f0d17aa7580(0000) GS:ffff94a17bd00000(0000) knlGS:0000000000000000 # [ 91.195569] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 91.202012] CR2: 00007f0d178c0000 CR3: 00000001049e2000 CR4: 00000000003506e0 # [ 91.210013] Call Trace: # [ 91.212768] lkdtm_REFCOUNT_ADD_ZERO+0x99/0xbd # [ 91.217764] direct_entry.cold+0x2c/0x38 # [ 91.222169] full_proxy_write+0x56/0x80 # [ 91.226478] vfs_write+0xea/0x390 # [ 91.230208] ksys_write+0x68/0xe0 # [ 91.233940] do_syscall_64+0x33/0x40 # [ 91.237962] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 91.243631] RIP: 0033:0x7f0d179cff33 # [ 91.247651] Code: 8b 15 61 ef 0c 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 # [ 91.268665] RSP: 002b:00007ffd01de00f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 91.277153] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f0d179cff33 # [ 91.285150] RDX: 0000000000000012 RSI: 00007f0d178c0000 RDI: 0000000000000001 # [ 91.293146] RBP: 00007f0d178c0000 R08: 00007f0d178bf010 R09: 0000000000000000 # [ 91.301145] R10: 00007f0d17aca1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 91.309146] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 91.323354] irq event stamp: 0 # [ 91.332978] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 91.346224] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 91.355392] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 91.364557] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 91.371576] ---[ end trace 7726a933748a4151 ]--- # [ 91.376747] 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 # [ 91.694772] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED # [ 91.705445] lkdtm: attempting bad refcount_inc() from saturated # [ 91.712091] ------------[ cut here ]------------ # [ 91.717286] refcount_t: saturated; leaking memory. # [ 91.722708] WARNING: CPU: 2 PID: 2391 at lib/refcount.c:22 refcount_warn_saturate+0x49/0xf0 # [ 91.738236] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbp[ 94.376442] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED d_notify # [ 91.754249] CPU: 2 PID: 2391 Comm: cat Tainted: G[ 94.389051] lkdtm: attempting bad refcount_add_not_zero() from saturated D W 5.10.129-cip12 #1 # [ 91.762923] Hardware n[ 94.402762] ------------[ cut here ]------------ ame: Google Coral/Coral, BIOS 09/29/2020 # [ 91.769571] RIP:[ 94.414161] refcount_t: saturated; leaking memory. 0010:refcount_warn_saturate+0x49/0xf0 # [ 91.775341] Code: 7[ 94.425866] WARNING: CPU: 3 PID: 2525 at lib/refcount.c:19 refcount_warn_saturate+0x87/0xf0 6 01 00 0f 84 a4 00 00 00 c3 85 f6 74 3e 80 3d 48 1d 76 01 00 75[ 94.441368] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify f2 48 c7 c7 60 b9 25 b8 c6 05 38 1d 76 01 01 e8 dd fb 92 00 <0f[ 94.463519] CPU: 3 PID: 2525 Comm: cat Tainted: G D W 5.10.129-cip12 #1 > 0b c3 80 3d 28 1d 76 01 00 75 d3 48 c7 c7 88 b9 25 b8 c6 05 18[ 94.478412] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 91.796369] RSP: 0018:ffffb34b42bc7e48 EFLAGS: 00010286 [ 94.491259] RIP: 0010:refcount_warn_saturate+0x87/0xf0 # [ 91.802232] RAX: 0000000000000000 RBX: 0000000000000035 RCX[ 94.503257] Code: 05 18 1d 76 01 01 e8 be fb 92 00 0f 0b c3 80 3d 0b 1d 76 01 00 75 b4 48 c7 c7 60 b9 25 b8 c6 05 fb 1c 76 01 01 e8 9f fb 92 00 <0f> 0b c3 80 3d e9 1c 76 01 00 75 95 48 c7 c7 b8 b9 25 b8 c6 05 d9 : 0000000000000000 # [ 91.810235] RDX: ffff94a17bd2c660 RSI: [ 94.530484] RSP: 0018:ffffb34b42dd7e38 EFLAGS: 00010282 ffff94a17bd1bf70 RDI: ffff94a17bd1bf70 # [ 91.818240] RBP: ff[ 94.542542] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 ffffffb82bff65 R08: 0000000000000000 R09: 0000000000000000 # [ [ 94.556752] RDX: ffff94a17bdac660 RSI: ffff94a17bd9bf70 RDI: ffff94a17bd9bf70 91.826241] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 00[ 94.570983] RBP: ffffffffb82bfbe0 R08: 0000000000000000 R09: 0000000000000000 00000000000017 # [ 91.834238] R13: ffffb34b42bc7f10 R14: ffff[ 94.585179] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 b34b42bc7f10 R15: ffff94a105c27000 # [ 91.842235] FS: 00007f[ 94.599421] R13: ffffb34b42dd7f10 R14: ffffb34b42dd7f10 R15: ffff94a102796000 9898cd7580(0000) GS:ffff94a17bd00000(0000) knlGS:000000000000000[ 94.613614] FS: 00007fc491ef5580(0000) GS:ffff94a17bd80000(0000) knlGS:0000000000000000 0 # [ 91.851300] CS: 0010 DS: 0000 ES: 0000 CR0: 00000000800[ 94.628920] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 50033 # [ 91.857741] CR2: 00007f9898af0000 CR3: 0000000102782[ 94.641553] CR2: 00007fc491d0e000 CR3: 0000000103560000 CR4: 00000000003506e0 000 CR4: 00000000003506e0 # [ 91.865736] Call Trace: # [ 9[ 94.655759] Call Trace: 1.868499] lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x60 # [ 91.8739[ 94.665113] __refcount_add_not_zero.constprop.0+0x2a/0x31 80] direct_entry.cold+0x2c/0x38 # [ 91.884616] full_proxy_w[ 94.677188] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x72 rite+0x56/0x80 # [ 91.888931] vfs_write+0xea/0x390 # [ 91[ 94.689923] direct_entry.cold+0x2c/0x38 .898868] ksys_write+0x68/0xe0 # [ 91.902600] do_syscall_64+[ 94.700553] full_proxy_write+0x56/0x80 0x33/0x40 # [ 91.906621] entry_SYSCALL_64_after_hwframe+0x44[ 94.711099] vfs_write+0xea/0x390 /0xa9 # [ 91.912293] RIP: 0033:0x7f9898bfff33 # [ 91.91631[ 94.720975] ksys_write+0x68/0xe0 1] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff e[ 94.730980] do_syscall_64+0x33/0x40 b b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00[ 94.741094] entry_SYSCALL_64_after_hwframe+0x44/0xa9 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 8[ 94.752989] RIP: 0033:0x7fc491e1df33 9 54 24 18 # [ 91.937331] RSP: 002b:00007ffc3c8f0ff8 EFLAGS: [ 94.763211] Code: 8b 15 61 ef 0c 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 00000246 ORIG_RAX: 0000000000000001 # [ 91.945823] RAX: fffff[ 94.790426] RSP: 002b:00007fff12ba9888 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 fffffffffda RBX: 0000000000000017 RCX: 00007f9898bfff33 # [ 9[ 94.805157] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fc491e1df33 1.953828] RDX: 0000000000000017 RSI: 00007f9898af0000 RDI: 00000[ 94.819329] RDX: 0000000000000020 RSI: 00007fc491d0e000 RDI: 0000000000000001 00000000001 # [ 91.961826] RBP: 00007f9898af0000 R08: 00007f9[ 94.833545] RBP: 00007fc491d0e000 R08: 00007fc491d0d010 R09: 0000000000000000 898aef010 R09: 0000000000000000 # [ 91.969822] R10: 00007f989[ 94.847986] R10: 00007fc491f181c0 R11: 0000000000000246 R12: 0000000000000001 8cfa1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 91.97[ 94.861833] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 7819] R13: 0000000000000001 R14: 0000000000020000 R15: 000000000[ 94.876163] irq event stamp: 0 0020000 # [ 91.985823] irq event stamp: 0 # [ 91.995463] h[ 94.885634] hardirqs last enabled at (0): [<0000000000000000>] 0x0 ardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 92[ 94.898919] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 .008704] hardirqs last disabled at (0): [] cop[ 94.914221] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 y_process+0x63c/0x1c80 # [ 92.017876] softirqs last enabled [ 94.929567] softirqs last disabled at (0): [<0000000000000000>] 0x0 at (0): [] copy_process+0x63c/0x1c80 # [ 92[ 94.942801] ---[ end trace 7726a933748a4156 ]--- .027043] softirqs last disabled at (0): [<0000000000000000>] 0x0[ 94.954287] lkdtm: Saturation detected: still saturated # [ 92.034067] ---[ end trace 7726a933748a4152 ]--- # [ 92.039246] 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 # [ 92.356990] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED # [ 92.369123] lkdtm: attempting bad refcount_dec() from saturated # [ 92.381994] ------------[ cut here ]------------ # [ 92.387180] refcount_t: decrement hit 0; leaking memory. # [ 92.393190] WARNING: CPU: 2 PID: 2426 at lib/refcount.c:31 refcount_warn_saturate+0xdf/0xf0 # [ 92.402551] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 92.418559] CPU: 2 PID: 2426 Comm: cat Tainted: G D W 5.10.129-cip12 #1 # [ 92.427255] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 92.433902] RIP: 0010:refcount_warn_saturate+0xdf/0xf0 # [ 92.445870] Code: ff 48 c7 c7 10 ba 25 b8 c6 05 b4 1c 76 01 01 e8 5d fb 92 00 0f 0b c3 48 c7 c7 e0 b9 25 b8 c6 05 9f 1c 76 01 01 e8 47 fb 92 00 <0f> 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b 07 3d 00 00 # [ 92.466890] RSP: 0018:ffffb34b42c47e48 EFLAGS: 00010286 # [ 92.478973] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000 # [ 92.486974] RDX: ffff94a17bd2c660 RSI: ffff94a17bd1bf70 RDI: ffff94a17bd1bf70 # [ 92.494980] RBP: ffffffffb82bff7c R08: 0000000000000000 R09: 0000000000000000 # [ 92.502983] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 92.510984] R13: ffffb34b42c47f10 R14: ffffb34b42c47f10 R15: ffff94a105dba000 # [ 92.518986] FS: 00007faf570fb580(0000) GS:ffff94a17bd00000(0000) knlGS:0000000000000000 # [ 92.528057] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 92.534509] CR2: 00007faf56f14000 CR3: 0000000103d4a000 CR4: 00000000003506e0 # [ 92.542508] Call Trace: # [ 92.545275] lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5b # [ 92.550760] direct_entry.cold+0x2c/0x38 # [ 92.555178] full_proxy_write+0x56/0x80 # [ 92.559505] vfs_write+0xea/0x390 # [ 92.563229] ksys_write+0x68/0xe0 # [ 92.566954] do_syscall_64+0x33/0x40 # [ 92.570977] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 92.576651] RIP: 0033:0x7faf57023f33 # [ 92.580671] Code: 8b 15 61 ef 0c 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 # [ 92.601690] RSP: 002b:00007ffc43522758 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 92.610183] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007faf57023f33 # [ 92.618184] RDX: 0000000000000017 RSI: 00007faf56f14000 RDI: 0000000000000001 # [ 92.626185] RBP: 00007faf56f14000 R08: 00007faf56f13010 R09: 0000000000000000 # [ 92.634184] R10: 00007faf5711e1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 92.642193] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 92.656383] irq event stamp: 0 # [ 92.666005] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 92.679239] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 92.688409] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 92.697567] softirqs last disa[ 95.298411] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED [ 95.309636] lkdtm: attempting bad refcount_dec_and_test() from saturated bled at (0): [<0000000000000000>] 0x0 # [ 92.704597] ---[ end[ 95.317185] ------------[ cut here ]------------ trace 7726a933748a4153 ]--- # [ 92.709786] lkdtm: Saturation[ 95.328540] refcount_t: underflow; use-after-free. [ 95.340176] WARNING: CPU: 2 PID: 2560 at lib/refcount.c:28 refcount_warn_saturate+0xa6/0xf0 [ 95.349540] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 95.365559] CPU: 2 PID: 2560 Comm: cat Tainted: G D W 5.10.129-cip12 #1 [ 95.374242] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 95.380890] RIP: 0010:refcount_warn_saturate+0xa6/0xf0 detected: still saturated # REFCOUNT_DEC_SATURATED: saw 'Satur[ 95.386665] Code: 05 fb 1c 76 01 01 e8 9f fb 92 00 0f 0b c3 80 3d e9 1c 76 01 00 75 95 48 c7 c7 b8 b9 25 b8 c6 05 d9 1c 76 01 01 e8 80 fb 92 00 <0f> 0b c3 80 3d c8 1c 76 01 00 0f 85 72 ff ff ff 48 c7 c7 10 ba 25 [ 95.413865] RSP: 0018:ffffb34b42e37e40 EFLAGS: 00010286 [ 95.419733] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000 [ 95.427743] RDX: ffff94a17bd2c660 RSI: ffff94a17bd1bf70 RDI: ffff94a17bd1bf70 ation detected: still saturated': ok ok 53 selftests: lkdtm: RE[ 95.435765] RBP: ffffffffb82bfc00 R08: 0000000000000000 R09: 0000000000000000 [ 95.449991] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 [ 95.457994] R13: ffffb34b42e37f10 R14: ffffb34b42e37f10 R15: ffff94a1050f4000 [ 95.465998] FS: 00007f3de1d4f580(0000) GS:ffff94a17bd00000(0000) knlGS:0000000000000000 [ 95.475068] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 95.481517] CR2: 00007f3de1b68000 CR3: 0000000100e70000 CR4: 00000000003506e0 [ 95.489517] Call Trace: [ 95.492290] __refcount_sub_and_test.constprop.0+0x34/0x40 [ 95.498463] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x72 [ 95.504825] direct_entry.cold+0x2c/0x38 [ 95.509244] full_proxy_write+0x56/0x80 [ 95.513564] vfs_write+0xea/0x390 [ 95.517298] ksys_write+0x68/0xe0 [ 95.521031] do_syscall_64+0x33/0x40 [ 95.525055] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 95.530731] RIP: 0033:0x7f3de1c77f33 [ 95.534752] Code: 8b 15 61 ef 0c 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 [ 95.555788] RSP: 002b:00007ffca516ef08 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 95.564288] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f3de1c77f33 [ 95.572290] RDX: 0000000000000020 RSI: 00007f3de1b68000 RDI: 0000000000000001 [ 95.580291] RBP: 00007f3de1b68000 R08: 00007f3de1b67010 R09: 0000000000000000 [ 95.588292] R10: 00007f3de1d721c0 R11: 0000000000000246 R12: 0000000000000001 FCOUNT_DEC_SATURATED.sh # selftests: lkdtm: REFCOUNT_ADD_SATURA[ 95.596305] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 TED.sh # [ 93.036252] lkdtm: Performing direct entry REFCOUNT[ 95.610508] irq event stamp: 0 _ADD_SATURATED # [ 93.045885] lkdtm: attempting bad refcount_[ 95.620135] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 95.633380] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 95.642555] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 95.651724] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 95.658754] ---[ end trace 7726a933748a4157 ]--- [ 95.663990] lkdtm: Saturation detected: still saturated dec() from saturated # [ 93.058759] ------------[ cut here ]------------ # [ 93.063932] refcount_t: saturated; leaking memory. # [ 93.075569] WARNING: CPU: 1 PID: 2461 at lib/refcount.c:22 refcount_warn_saturate+0x49/0xf0 # [ 93.084926] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 93.107147] CPU: 1 PID: 2461 Comm: cat Tainted: G D W 5.10.129-cip12 #1 # [ 93.115863] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 93.122526] RIP: 0010:refcount_warn_saturate+0x49/0xf0 # [ 93.128296] Code: 76 01 00 0f 84 a4 00 00 00 c3 85 f6 74 3e 80 3d 48 1d 76 01 00 75 f2 48 c7 c7 60 b9 25 b8 c6 05 38 1d 76 01 01 e8 dd fb 92 00 <0f> 0b c3 80 3d 28 1d 76 01 00 75 d3 48 c7 c7 88 b9 25 b8 c6 05 18 # [ 93.149307] RSP: 0018:ffffb34b42cb7e48 EFLAGS: 00010286 # [ 93.155168] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000 # [ 93.163163] RDX: ffff94a17bcac660 RSI: ffff94a17bc9bf70 RDI: ffff94a17bc9bf70 # [ 93.171156] RBP: ffffffffb82bff93 R08: 0000000000000000 R09: 0000000000000000 # [ 93.179151] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 93.187142] R13: ffffb34b42cb7f10 R14: ffffb34b42cb7f10 R15: ffff94a1053ab000 # [ 93.195135] FS: 00007fe2d023c580(0000) GS:ffff94a17bc80000(0000) knlGS:0000000000000000 # [ 93.204197] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 93.210633] CR2: 00007fe2d0055000 CR3: 0000000103630000 CR4: 00000000003506e0 # [ 93.218631] Call Trace: # [ 93.221392] lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x60 # [ 93.226872] direct_entry.cold+0x2c/0x38 # [ 93.231285] full_proxy_write+0x56/0x80 # [ 93.235599] vfs_write+0xea/0x390 # [ 93.239330] ksys_write+0x68/0xe0 # [ 93.243061] do_syscall_64+0x33/0x40 # [ 93.247081] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 93.252752] RIP: 0033:0x7fe2d0164f33 # [ 93.256770] Code: 8b 15 61 ef 0c 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 # [ 93.277791] RSP: 002b:00007ffdb33b0238 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 93.286278] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007fe2d0164f33 # [ 93.294270] RDX: 0000000000000017 RSI: 00007fe2d0055000 RDI: 0000000000000001 # [ 93.302261] RBP: 00007fe2d0055000 R08: 00007fe2d0054010 R09: 0000000000000000 # [ 93.310256] R10: 00007fe2d025f1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 93.318250] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 93.326257] irq event stamp: 0 # [ 93.329699] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 93.342915] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 93.358279] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 93.373647] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 93.380673] ---[ end trace 7726a933748a4154 ]--- # [ 93.385846] 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 # [ 93.708060] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED # [ 93.716555] lkdtm: attempting bad refcount_inc_not_zero() [ 96.005556] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED from saturated # [ 93.724091] ------------[ cut here ]-------[ 96.019550] lkdtm: attempting bad refcount_sub_and_test() from saturated ----- # [ 93.729283] refcount_t: saturated; leaking memory. [ 96.033336] ------------[ cut here ]------------ # [ 93.734707] WARNING: CPU: 2 PID: 2493 at lib/refcount.c:19 [ 96.044736] refcount_t: underflow; use-after-free. refcount_warn_saturate+0x87/0xf0 # [ 93.750225] Modules linke[ 96.056355] WARNING: CPU: 3 PID: 2595 at lib/refcount.c:28 refcount_warn_saturate+0xa6/0xf0 d in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sys[ 96.072149] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify fs cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_[ 96.094068] CPU: 3 PID: 2595 Comm: cat Tainted: G D W 5.10.129-cip12 #1 notify # [ 93.766231] CPU: 2 PID: 2493 Comm: cat Tainted: G [ 96.109152] Hardware name: Google Coral/Coral, BIOS 09/29/2020 D W 5.10.129-cip12 #1 # [ 93.774915] Hardware nam[ 96.122074] RIP: 0010:refcount_warn_saturate+0xa6/0xf0 e: Google Coral/Coral, BIOS 09/29/2020 # [ 93.781564] RIP: 0[ 96.133804] Code: 05 fb 1c 76 01 01 e8 9f fb 92 00 0f 0b c3 80 3d e9 1c 76 01 00 75 95 48 c7 c7 b8 b9 25 b8 c6 05 d9 1c 76 01 01 e8 80 fb 92 00 <0f> 0b c3 80 3d c8 1c 76 01 00 0f 85 72 ff ff ff 48 c7 c7 10 ba 25 010:refcount_warn_saturate+0x87/0xf0 # [ 93.787342] Code: 05 [ 96.161150] RSP: 0018:ffffb34b42eb7e40 EFLAGS: 00010286 18 1d 76 01 01 e8 be fb 92 00 0f 0b c3 80 3d 0b 1d 76 01 00 75 b[ 96.173098] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000 4 48 c7 c7 60 b9 25 b8 c6 05 fb 1c 76 01 01 e8 9f fb 92 00 <0f> [ 96.187485] RDX: ffff94a17bdac660 RSI: ffff94a17bd9bf70 RDI: ffff94a17bd9bf70 0b c3 80 3d e9 1c 76 01 00 75 95 48 c7 c7 b8 b9 25 b8 c6 05 d9 [ 96.201667] RBP: ffffffffb82bfc20 R08: 0000000000000000 R09: 0000000000000000 # [ 93.808359] RSP: 0018:ffffb34b42d57e38 EFLAGS: 00010282 # [ 96.215860] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 [ 93.814226] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: [ 96.230083] R13: ffffb34b42eb7f10 R14: ffffb34b42eb7f10 R15: ffff94a1029d2000 0000000000000000 # [ 93.822225] RDX: ffff94a17bd2c660 RSI: ff[ 96.244274] FS: 00007f77ba83b580(0000) GS:ffff94a17bd80000(0000) knlGS:0000000000000000 ff94a17bd1bf70 RDI: ffff94a17bd1bf70 # [ 93.830225] RBP: ffff[ 96.259531] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 ffffb82bfbc0 R08: 0000000000000000 R09: 0000000000000000 # [ [ 96.272081] CR2: 00007f77ba654000 CR3: 0000000100e70000 CR4: 00000000003506e0 93.838233] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000[ 96.286259] Call Trace: 000000000020 # [ 93.846235] R13: ffffb34b42d57f10 R14: ffffb3[ 96.295303] __refcount_sub_and_test.constprop.0+0x34/0x40 4b42d57f10 R15: ffff94a106410000 # [ 93.854236] FS: 00007fcd[ 96.307618] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x72 b317b580(0000) GS:ffff94a17bd00000(0000) knlGS:0000000000000000[ 96.320155] direct_entry.cold+0x2c/0x38 # [ 93.863306] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050[ 96.330834] full_proxy_write+0x56/0x80 033 # [ 93.869751] CR2: 00007fcdb2f94000 CR3: 000000010641800[ 96.341310] vfs_write+0xea/0x390 0 CR4: 00000000003506e0 # [ 93.877743] Call Trace: # [ 93.[ 96.351245] ksys_write+0x68/0xe0 880511] __refcount_add_not_zero.constprop.0+0x2a/0x31 # [ 93[ 96.361220] do_syscall_64+0x33/0x40 .886679] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x72 # [ [ 96.371413] entry_SYSCALL_64_after_hwframe+0x44/0xa9 93.893038] direct_entry.cold+0x2c/0x38 # [ 93.897453] full[ 96.383298] RIP: 0033:0x7f77ba763f33 _proxy_write+0x56/0x80 # [ 93.901800] vfs_write+0xea/0x390 [ 96.393582] Code: 8b 15 61 ef 0c 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 # [ 93.905533] ksys_write+0x68/0xe0 # [ 93.909273] do_sys[ 96.420827] RSP: 002b:00007fff638e2268 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 call_64+0x33/0x40 # [ 93.913290] entry_SYSCALL_64_after_hwfr[ 96.435463] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f77ba763f33 ame+0x44/0xa9 # [ 93.918963] RIP: 0033:0x7fcdb30a3f33 # [ [ 96.449699] RDX: 0000000000000020 RSI: 00007f77ba654000 RDI: 0000000000000001 93.922983] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff[ 96.463896] RBP: 00007f77ba654000 R08: 00007f77ba653010 R09: 0000000000000000 ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 [ 96.478106] R10: 00007f77ba85e1c0 R11: 0000000000000246 R12: 0000000000000001 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec[ 96.492334] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 28 48 89 54 24 18 # [ 93.943997] RSP: 002b:00007ffd9b704b58 [ 96.506546] irq event stamp: 0 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 93.952490] RA[ 96.516205] hardirqs last enabled at (0): [<0000000000000000>] 0x0 X: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fcdb30a3f33[ 96.529436] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 93.960478] RDX: 0000000000000020 RSI: 00007fcdb2f94000 RD[ 96.544810] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 I: 0000000000000001 # [ 93.968482] RBP: 00007fcdb2f94000 R08:[ 96.560209] softirqs last disabled at (0): [<0000000000000000>] 0x0 00007fcdb2f93010 R09: 0000000000000000 # [ 93.976482] R10: 0[ 96.573430] ---[ end trace 7726a933748a4158 ]--- 0007fcdb319e1c0 R11: 0000000000000246 R12: 0000000000000001 # [[ 96.584852] lkdtm: Saturation detected: still saturated 93.984483] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 93.992492] irq event stamp: 0 # [ 93.995933] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 94.009169] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 94.024536] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 94.039909] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 94.046931] ---[ end trace 7726a933748a4155 ]--- # [ 94.052112] lkdtm: Saturation detected: still saturated # REFCOUNT_INC_NOT_ZERO_SATURATED: saw 'call trace:': ok ok 55 selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_SATURATED.sh # selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_SATURATED.sh # [ 94.376442] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED # [ 94.389051] lkdtm: attempting bad refcount_add_not_zero() from saturated # [ 94.402762] ------------[ cut here ]------------ # [ 94.414161] refcount_t: saturated; leaking memory. # [ 94.425866] WARNING: CPU: 3 PID: 2525 at lib/refcount.c:19 refcount_warn_saturate+0x87/0xf0 # [ 94.441368] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 94.463519] CPU: 3 PID: 2525 Comm: cat Tainted: G D W 5.10.129-cip12 #1 # [ 94.478412] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 94.491259] RIP: 0010:refcount_warn_saturate+0x87/0xf0 # [ 94.503257] Code: 05 18 1d 76 01 01 e8 be fb 92 00 0f 0b c3 80 3d 0b 1d 76 01 00 75 b4 48 c7 c7 60 b9 25 b8 c6 05 fb 1c 76 01 01 e8 9f fb 92 00 <0f> 0b c3 80 3d e9 1c 76 01 00 75 95 48 c7 c7 b8 b9 25 b8 c6 05 d9 # [ 94.530484] RSP: 0018:ffffb34b42dd7e38 EFLAGS: 00010282 # [ 94.542542] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 # [ 94.556752] RDX: ffff94a17bdac660 RSI: ffff94a17bd9bf70 RDI: ffff94a17bd9bf70 # [ 94.570983] RBP: ffffffffb82bfbe0 R08: 0000000000000000 R09: 0000000000000000 # [ 94.585179] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 94.599421] R13: ffffb34b42dd7f10 R14: ffffb34b42dd7f10 R15: ffff94a102796000 # [ 94.613614] FS: 00007fc491ef5580(0000) GS:ffff94a17bd80000(0000) knlGS:0000000000000000 # [ 94.628920] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 94.641553] CR2: 00007fc491d0e000 CR3: 0000000103560000 CR4: 00000000003506e0 # [ 94.655759] Call Trace: # [ 94.665113] __refcount_add_not_zero.constprop.0+0x2a/0x31 # [ 94.677188] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x72 # [ 94.689923] direct_entry.cold+0x2c/0x38 # [ 94.700553] full_proxy_write+0x56/0x80 # [ 94.711099] vfs_write+0xea/0x390 # [ 94.720975] ksys_write+0x68/0xe0 # [ 94.730980] do_syscall_64+0x33/0x40 # [ 94.741094] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 94.752989] RIP: 0033:0x7fc491e1df33 # [ 94.763211] Code: 8b 15 61 ef 0c 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 # [ 94.790426] RSP: 002b:00007fff12ba9888 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 94.805157] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fc491e1df33 # [ 94.819329] RDX: 0000000000000020 RSI: 00007fc491d0e000 RDI: 0000000000000001 # [ 94.833545] RBP: 00007fc491d0e000 R08: 00007fc491d0d010 R09: 0000000000000000 # [ 94.847986] R10: 00007fc491f181c0 R11: 0000000000000246 R12: 0000000000000001 # [ 94.861833] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 94.876163] irq event stamp: 0 # [ 94.885634] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 94.898919] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 94.914221] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 94.929567] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 94.942801] ---[ end trace 7726a933748a4156 ]--- # [ 94.954287] 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 # [ 95.298411] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED # [ 95.309636] lkdtm: attempting bad refcount_dec_and_test() from saturated # [ 95.317185] ------------[ cut here ]------------ # [ 95.328540] refcount_t: underflow; use-after-free. # [ 95.340176] WARNING: CPU: 2 PID: 2560 at lib/refcount.c:28 refcount_warn_saturate+0xa6/0xf0 # [ 95.349540] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 95.365559] CPU: 2 PID: 2560 Comm: cat Tainted: G D W 5.10.129-cip12 #1 # [ 95.374242] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 95.380890] RIP: 0010:refcount_warn_saturate+0xa6/0xf0 # [ 95.386665] Code: 05 fb 1c 76 01 01 e8 9f fb 92 00 0f 0b c3 80 3d e9 1c 76 01 00 75 95 48 c7 c7 b8 b9 25 b8 c6 05 d9 1c 76 01 01 e8 80 fb 92 00 <0f> 0b c3 80 3d c8 1c 76 01 00 0f 85 72 ff ff ff 48 c7 c7 10 ba 25 # [ 95.413865] RSP: 0018:ffffb34b42e37e40 EFLAGS: 00010286 # [ 95.419733] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000 # [ 95.427743] RDX: ffff94a17bd2c660 RSI: ffff94a17bd1bf70 RDI: ffff94a17bd1bf70 # [ 95.435765] RBP: ffffffffb82bfc00 R08: 0000000000000000 R09: 0000000000000000 # [ 95.449991] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 95.457994] R13: ffffb34b42e37f10 R14: ffffb34b42e37f10 R15: ffff94a1050f4000 # [ 95.465998] FS: 00007f3de1d4f580(0000) GS:ffff94a17bd00000(0000) knlGS:0000000000000000 # [ 95.475068] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 95.481517] CR2: 00007f3de1b68000 CR3: 0000000100e70000 CR4: 00000000003506e0 # [ 95.489517] Call Trace: # [ 95.492290] __refcount_sub_and_test.constprop.0+0x34/0x40 # [ 95.498463] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x72 # [ 95.504825] direct_entry.cold+0x2c/0x38 # [ 95.509244] full_proxy_write+0x56/0x80 # [ 95.513564] vfs_write+0xea/0x390 # [ [ 97.210514] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO 95.517298] ksys_write+0x68/0xe0 # [ 95.521031] do_syscall_6[ 97.219166] lkdtm: attempting good copy_to_user of correct size 4+0x33/0x40 # [ 95.525055] entry_SYSCALL_64_after_hwframe+0x[ 97.232079] lkdtm: attempting bad copy_to_user of too large size 44/0xa9 # [ 95.530731] RIP: 0033:0x7f3de1c77f33 # [ 95.534752] Code: 8b 15 61 ef 0c 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 # [ 95.555788] RSP: 002b:00007ffca516ef08 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 95.564288] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f3de1c77f33 # [ 95.572290] RDX: 0000000000000020 RSI: 00007f3de1b68000 RDI: 0000000000000001 # [ 95.580291] RBP: 00007f3de1b68000 R08: 00007f3de1b67010 R09: 0000000000000000 # [ 95.588292] R10: 00007f3de1d721c0 R11: 0000000000000246 R12: 0000000000000001 # [ 95.596305] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 95.610508] irq event stamp: 0 # [ 95.620135] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 95.633380] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 95.642555] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 95.651724] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 95.658754] ---[ end trace 7726a933748a4157 ]--- # [ 95.663990] 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 # [ 96.005556] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED # [ 96.019550] lkdtm: attempting bad refcount_sub_and_test() from saturated # [ 96.033336] ------------[ cut here ]------------ # [ 96.044736] refcount_t: underflow; use-after-free. # [ 96.056355] WARNING: CPU: 3 PID: 2595 at lib/refcount.c:28 refcount_warn_saturate+0xa6/0xf0 # [ 96.072149] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 96.094068] CPU: 3 PID: 2595 Comm: cat Tainted: G D W 5.10.129-cip12 #1 # [ 96.109152] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 96.122074] RIP: 0010:refcount_warn_saturate+0xa6/0xf0 # [ 96.133804] Code: 05 fb 1c 76 01 01 e8 9f fb 92 00 0f 0b c3 80 3d e9 1c 76 01 00 75 95 48 c7 c7 b8 b9 25 b8 c6 05 d9 1c 76 01 01 e8 80 fb 92 00 <0f> 0b c3 80 3d c8 1c 76 01 00 0f 85 72 ff ff ff 48 c7 c7 10 ba 25 # [ 96.161150] RSP: 0018:ffffb34b42eb7e40 EFLAGS: 00010286 # [ 96.173098] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000 # [ 96.187485] RDX: ffff94a17bdac660 RSI: ffff94a17bd9bf70 RDI: ffff94a17bd9bf70 # [ 96.201667] RBP: ffffffffb82bfc20 R08: 0000000000000000 R09: 0000000000000000 # [ 96.215860] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 96.230083] R13: ffffb34b42eb7f10 R14: ffffb34b42eb7f10 R15: ffff94a1029d2000 # [ 96.244274] FS: 00007f77ba83b580(0000) GS:ffff94a17bd80000(0000) knlGS:0000000000000000 # [ 96.259531] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 96.272081] CR2: 00007f77ba654000 CR3: 0000000100e70000 CR4: 00000000003506e0 # [ 96.286259] Call Trace: # [ 96.295303] __refcount_sub_and_test.constprop.0+0x3[ 97.557528] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM 4/0x40 # [ 96.307618] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+[ 97.569251] lkdtm: attempting good copy_from_user of correct size 0x3e/0x72 # [ 96.320155] direct_entry.cold+0x2c/0x38 # [ [ 97.582251] lkdtm: attempting bad copy_from_user of too large size 96.330834] full_proxy_write+0x56/0x80 # [ 96.341310] vfs_write+0xea/0x390 # [ 96.351245] ksys_write+0x68/0xe0 # [ 96.361220] do_syscall_64+0x33/0x40 # [ 96.371413] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 96.383298] RIP: 0033:0x7f77ba763f33 # [ 96.393582] Code: 8b 15 61 ef 0c 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 # [ 96.420827] RSP: 002b:00007fff638e2268 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 96.435463] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f77ba763f33 # [ 96.449699] RDX: 0000000000000020 RSI: 00007f77ba654000 RDI: 0000000000000001 # [ 96.463896] RBP: 00007f77ba654000 R08: 00007f77ba653010 R09: 0000000000000000 # [ 96.478106] R10: 00007f77ba85e1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 96.492334] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 96.506546] irq event stamp: 0 # [ 96.516205] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 96.529436] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 96.544810] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 96.560209] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 96.573430] ---[ end trace 7726a933748a4158 ]--- # [ 96.584852] lkdtm: Saturation detected: still saturated # REFCOUNT_SUB_AND_TEST_SATURATED: saw 'Saturation detected: still saturated': ok ok 58 selftests: lkdtm: REFCOUNT_SUB_AND_TEST_SATURATED.sh # selftests: lkdtm: REFCOUNT_TIMING.sh # Skipping REFCOUNT_TIMING: timing only ok 59 selftests: lkdtm: REFCOUNT_TIMING.sh # SKIP # selftests: lkdtm: ATOMIC_TIMING.sh # Skipping ATOMIC_TIMING: timing only ok 60 selftests: lkdtm: ATOMIC_TIMING.sh # SKIP # selftests: lkdtm: USERCOPY_HEAP_SIZE_TO.sh # [ 97.210514] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO # [ 97.219166] lkdtm: attempting good copy_to_user of correct size # [ 97.232079] 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 # [ 97.557528] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM # [ 97.569251] lkdtm: attempting good copy_from_user of correct size # [ 97.582251] 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 [ 97.917813] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO [ 97.925071] lkdtm: attempting good copy_to_user inside whitelist [ 97.931872] lkdtm: attempting bad copy_to_user outside whitelist # [ 97.917813] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO # [ 97.925071] lkdtm: attempting good copy_to_user inside whitelist # [ 97.931872] 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 [ 98.278373] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM [ 98.285837] lkdtm: attempting good copy_from_user inside whitelist [ 98.292790] lkdtm: attempting bad copy_from_user outside whitelist # [ 98.278373] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM # [ 98.285837] lkdtm: attempting good copy_from_user inside whitelist # [ 98.292790] 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 [ 98.635355] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO [ 98.642316] lkdtm: good_stack: ffffb34b4325fe20-ffffb34b4325fe40 [ 98.649072] lkdtm: bad_stack : ffffb34b4325fda8-ffffb34b4325fdc8 [ 98.655863] lkdtm: attempting good copy_to_user of local stack [ 98.662472] lkdtm: attempting bad copy_to_user of distant stack # [ 98.635355] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO # [ 98.642316] lkdtm: good_stack: ffffb34b4325fe20-ffffb34b4325fe40 # [ 98.649072] lkdtm: bad_stack : ffffb34b4325fda8-ffffb34b4325fdc8 # [ 98.655863] lkdtm: attempting good copy_to_user of local stack # [ 98.662472] 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 [ 98.991147] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM [ 98.998314] lkdtm: good_stack: ffffb34b432f7e20-ffffb34b432f7e40 [ 99.005075] lkdtm: bad_stack : ffffb34b432f7da8-ffffb34b432f7dc8 [ 99.011879] lkdtm: attempting good copy_from_user of local stack [ 99.018656] lkdtm: attempting bad copy_from_user of distant stack # [ 98.991147] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM # [ 98.998314] lkdtm: good_stack: ffffb34b432f7e20-ffffb34b432f7e40 # [ 99.005075] lkdtm: bad_stack : ffffb34b432f7da8-ffffb34b432f7dc8 # [ 99.011879] lkdtm: attempting good copy_from_user of local stack # [ 99.018656] 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 [ 99.361054] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND [ 99.367814] lkdtm: good_stack: ffffb34b4338fe20-ffffb34b4338fe40 [ 99.374566] lkdtm: bad_stack : ffffb34b4338fff8-ffffb34b43390018 [ 99.381344] lkdtm: attempting good copy_to_user of local stack [ 99.387914] lkdtm: attempting bad copy_to_user of distant stack [ 99.394575] lkdtm: copy_to_user failed, but lacked Oops # [ 99.361054] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND # [ 99.367814] lkdtm: good_stack: ffffb34b4338fe20-ffffb34b4338fe40 # [ 99.374566] lkdtm: bad_stack : ffffb34b4338fff8-ffffb34b43390018 # [ 99.381344] lkdtm: attempting good copy_to_user of local stack # [ 99.387914] lkdtm: attempting bad copy_to_user of distant stack # [ 99.394575] 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 [ 99.726084] lkdtm: Performing direct entry USERCOPY_KERNEL [ 99.732276] lkdtm: attempting good copy_to_user from kernel rodata: ffffffffb7ed9f10 [ 99.741014] lkdtm: attempting bad copy_to_user from kernel text: ffffffffb6cd1460 [ 99.749420] lkdtm: FAIL: survived bad copy_to_user() # [ 99.726084] lkdtm: Performing direct entry USERCOPY_KERNEL # [ 99.732276] lkdtm: attempting good copy_to_user from kernel rodata: ffffffffb7ed9f10 # [ 99.741014] lkdtm: attempting bad copy_to_user from kernel text: ffffffffb6cd1460 # [ 99.749420] 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 [ 100.078713] lkdtm: Performing direct entry STACKLEAK_ERASING [ 100.085095] lkdtm: checking unused part of the thread stack (15928 bytes)... [ 100.093023] lkdtm: FAIL: the erased part is not found (checked 15928 bytes) [ 100.100840] lkdtm: FAIL: the thread stack is NOT properly erased [ 100.107591] CPU: 1 PID: 2960 Comm: cat Tainted: G D W 5.10.129-cip12 #1 [ 100.116254] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 100.122873] Call Trace: [ 100.125627] dump_stack+0x77/0x97 [ 100.129340] lkdtm_STACKLEAK_ERASING+0x116/0x140 [ 100.134506] direct_entry.cold+0x2c/0x38 [ 100.138899] full_proxy_write+0x56/0x80 [ 100.143191] vfs_write+0xea/0x390 [ 100.146899] ksys_write+0x68/0xe0 [ 100.150603] do_syscall_64+0x33/0x40 [ 100.154605] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 100.160258] RIP: 0033:0x7f64e8de2f33 [ 100.164261] Code: 8b 15 61 ef 0c 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 [ 100.185261] RSP: 002b:00007ffda1c19f68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 100.193733] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f64e8de2f33 [ 100.201713] RDX: 0000000000000012 RSI: 00007f64e8cd3000 RDI: 0000000000000001 [ 100.209694] RBP: 00007f64e8cd3000 R08: 00007f64e8cd2010 R09: 0000000000000000 [ 100.217672] R10: 00007f64e8edd1c0 R11: 0000000000000246 R12: 0000000000000001 [ 100.225650] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 100.078713] lkdtm: Performing direct entry STACKLEAK_ERASING # [ 100.085095] lkdtm: checking unused part of the thread stack (15928 bytes)... # [ 100.093023] lkdtm: FAIL: the erased part is not found (checked 15928 bytes) # [ 100.100840] lkdtm: FAIL: the thread stack is NOT properly erased # [ 100.107591] CPU: 1 PID: 2960 Comm: cat Tainted: G D W 5.10.129-cip12 #1 # [ 100.116254] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 100.122873] Call Trace: # [ 100.125627] dump_stack+0x77/0x97 # [ 100.129340] lkdtm_STACKLEAK_ERASING+0x116/0x140 # [ 100.134506] direct_entry.cold+0x2c/0x38 # [ 100.138899] full_proxy_write+0x56/0x80 # [ 100.143191] vfs_write+0xea/0x390 # [ 100.146899] ksys_write+0x68/0xe0 # [ 100.150603] do_syscall_64+0x33/0x40 # [ 100.154605] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 100.160258] RIP: 0033:0x7f64e8de2f33 # [ 100.164261] Code: 8b 15 61 ef 0c 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 # [ 100.185261] RSP: 002b:00007ffda1c19f68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 100.193733] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f64e8de2f33 # [ 100.201713] RDX: 0000000000000012 RSI: 00007f64e8cd3000 RDI: 0000000000000001 # [ 100.209694] RBP: 00007f64e8cd3000 R08: 00007f64e8cd2010 R09: 0000000000000000 # [ 100.217672] R10: 00007f64e8edd1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 100.225650] 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 [ 100.555744] lkdtm: Performing direct entry CFI_FORWARD_PROTO [ 100.562135] lkdtm: Calling matched prototype ... [ 100.567321] lkdtm: Calling mismatched prototype ... [ 100.572802] lkdtm: Fail: survived mismatched prototype function call! # [ 100.555744] lkdtm: Performing direct entry CFI_FORWARD_PROTO # [ 100.562135] lkdtm: Calling matched prototype ... # [ 100.567321] lkdtm: Calling mismatched prototype ... # [ 100.572802] 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 / #