[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]: 00000000 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 53666 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 31 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 270057 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 4848 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 52810 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 14098 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 9986 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 14156 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 18150 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 18146 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 14055 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 11264 usecs scan_bus: scanning of bus DOMAIN: 0000 took 391599 usecs root_dev_scan_bus for Root Device done scan_bus: scanning of bus Root Device took 411583 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 2022-08-31 11:46:26 UTC POST: Unexpected post code in previous boot: 0x98 ELOG: Event(A3) added with size 11 at 2022-08-31 11:46:26 UTC ELOG: Event(A6) added with size 13 at 2022-08-31 11:46:26 UTC ELOG: Event(AA) added with size 11 at 2022-08-31 11:46:26 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 701272 exit 102620 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 * [0x1290000 - 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 2950920 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 161 run 112510 exit 0 FMAP: area FPF_STATUS found @ 42f000 (4096 bytes) Initializing devices... Root Device init ... Root Device init finished in 2138 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...done. Waiting for 2nd SIPI to complete...done. AP: slot 1 apic_id 6. AP: slot 3 apic_id 2. AP: slot 2 apic_id 4. 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 0x7afff400 Relocation complete. New SMBASE 0x7afffc00 Relocation complete. New SMBASE 0x7b000000 Relocation complete. New SMBASE 0x7afff800 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 #1 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: vendor Intel device 506c9 CPU: family 06, model 5c, stepping 09 CPU #1 initialized CPU #2 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 467929 usecs PCI: 00:00.0 init ... PCI: 00:00.0 init finished in 2233 usecs PCI: 00:00.1 init ... PCI: 00:00.1 init finished in 2233 usecs PCI: 00:00.2 init ... PCI: 00:00.2 init finished in 2233 usecs PCI: 00:02.0 init ... PCI: 00:02.0 init finished in 2233 usecs PCI: 00:03.0 init ... PCI: 00:03.0 init finished in 2232 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 27333 usecs PCI: 00:0d.2 init ... PCI: 00:0d.2 init finished in 2229 usecs PCI: 00:0f.0 init ... PCI: 00:0f.0 init finished in 2234 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 2231 usecs PCI: 00:15.0 init ... PCI: 00:15.0 init finished in 2231 usecs PCI: 00:16.0 init ... LPSS I2C bus 0 at 0xc2b21000 (400 KHz) PCI: 00:16.0 init finished in 6114 usecs PCI: 00:16.1 init ... LPSS I2C bus 1 at 0xc2b23000 (400 KHz) PCI: 00:16.1 init finished in 6113 usecs PCI: 00:16.2 init ... LPSS I2C bus 2 at 0xc2b25000 (400 KHz) PCI: 00:16.2 init finished in 6112 usecs PCI: 00:16.3 init ... LPSS I2C bus 3 at 0xc2b27000 (400 KHz) PCI: 00:16.3 init finished in 6109 usecs PCI: 00:17.0 init ... LPSS I2C bus 4 at 0xc2b29000 (400 KHz) PCI: 00:17.0 init finished in 6112 usecs PCI: 00:17.1 init ... LPSS I2C bus 5 at 0xc2b2b000 (400 KHz) PCI: 00:17.1 init finished in 6105 usecs PCI: 00:19.0 init ... PCI: 00:19.0 init finished in 2229 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 3551 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 2350 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 42167 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 4987 run 880864 exit 892 ELOG: Event(A1) added with size 10 at 2022-08-31 11:46:30 UTC elog_add_boot_reason: Logged recovery mode boot (Dev-switch on), reason: 0x1b ELOG: Event(A0) added with size 9 at 2022-08-31 11:46:30 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 24860 run 3941 exit 5268 BS: BS_OS_RESUME_CHECK times (us): entry 0 run 60 exit 0 FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'fallback/dsdt.aml' CBFS: Found @ offset b7600 size 2e40 FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'fallback/slic' CBFS: 'fallback/slic' not found. ACPI: Writing ACPI tables at 7ab10000. ACPI: * FACS ACPI: * DSDT Ramoops buffer: 0x100000@0x7aa10000. ACPI: * FADT SCI is IRQ9 ACPI: added table 1/32, length now 40 ACPI: * SSDT Found 1 CPU(s) with 4 core(s) each. Turbo is available and visible PSS: 1101MHz power 6000 control 0x1900 status 0x1900 PSS: 1100MHz power 6000 control 0xb00 status 0xb00 PSS: 1000MHz power 5388 control 0xa00 status 0xa00 PSS: 800MHz power 4213 control 0x800 status 0x800 PSS: 1101MHz power 6000 control 0x1900 status 0x1900 PSS: 1100MHz power 6000 control 0xb00 status 0xb00 PSS: 1000MHz power 5388 control 0xa00 status 0xa00 PSS: 800MHz power 4213 control 0x800 status 0x800 PSS: 1101MHz power 6000 control 0x1900 status 0x1900 PSS: 1100MHz power 6000 control 0xb00 status 0xb00 PSS: 1000MHz power 5388 control 0xa00 status 0xa00 PSS: 800MHz power 4213 control 0x800 status 0x800 PSS: 1101MHz power 6000 control 0x1900 status 0x1900 PSS: 1100MHz power 6000 control 0xb00 status 0xb00 PSS: 1000MHz power 5388 control 0xa00 status 0xa00 PSS: 800MHz power 4213 control 0x800 status 0x800 \_SB.PCI0.HDAS.MAXM: Maxim Integrated 98357A Amplifier Error: Could not locate 'wifi_sar' in VPD Error: failed from getting SAR limits! \_SB.PCI0.RP01.WIFI: Intel WiFi PCI: 01:00.0 lpss_i2c: bad counts. hcnt = -8 lcnt = 14 \_SB.PCI0.I2C0.DLG7: Dialog Semiconductor DA7219 Audio Codec address 01ah irq 91 lpss_i2c: bad counts. hcnt = -5 lcnt = 17 \_SB.PCI0.I2C2.TPMI: I2C TPM at I2C: 02:50 lpss_i2c: bad counts. hcnt = -1 lcnt = 77 lpss_i2c: bad counts. hcnt = -23 lcnt = 32 \_SB.PCI0.I2C3.D010: ELAN Touchscreen at I2C: 03:10 \_SB.PCI0.I2C3.D039: Raydium Touchscreen at I2C: 03:39 lpss_i2c: bad counts. hcnt = -1 lcnt = 72 lpss_i2c: bad counts. hcnt = -23 lcnt = 27 \_SB.PCI0.I2C4.D015: ELAN Touchpad at I2C: 04:15 \_SB.PCI0.I2C4.H02C: Synaptics Touchpad at I2C: 04:2c lpss_i2c: bad counts. hcnt = -5 lcnt = 4 \_SB.PCI0.I2C5.H009: WCOM Digitizer at I2C: 05:09 ACPI: added table 2/32, length now 44 ACPI: * MCFG ACPI: added table 3/32, length now 48 ACPI: * TCPA TCPA log created at 7aa00000 ACPI: added table 4/32, length now 52 ACPI: * MADT SCI is IRQ9 ACPI: added table 5/32, length now 56 current = 7ab14920 FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'dmic-4ch-48khz-16b.bin' CBFS: Found @ offset 2e1c0 size be8 Added 4CH DMIC array. FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'dialog-2ch-48khz-24b.bin' CBFS: Found @ offset 2ef00 size 64 FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'dialog-2ch-48khz-24b.bin' CBFS: Found @ offset 2ef00 size 64 Added Dialog_7219 codec. FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'max98357-render-2ch-48khz-24b.bin' CBFS: Found @ offset 2ee00 size 74 Added Maxim_98357 codec. ACPI: * NHLT ACPI: added table 6/32, length now 60 ACPI: * IGD OpRegion ACPI: * HPET ACPI: added table 7/32, length now 64 ACPI: done. ACPI tables: 30656 bytes. smbios_write_tables: 7a9fd000 Create SMBIOS type 17 Root Device (Google Coral) CPU_CLUSTER: 0 (Intel Apollolake SOC) APIC: 00 (Intel Apollolake SOC) DOMAIN: 0000 (Intel Apollolake SOC) PCI: 00:00.0 (Intel Apollolake SOC) PCI: 00:00.1 (Intel Apollolake SOC) PCI: 00:00.2 (Intel Apollolake SOC) PCI: 00:02.0 (Intel Apollolake SOC) PCI: 00:03.0 (Intel Apollolake SOC) PCI: 00:0d.0 (Intel Apollolake SOC) PCI: 00:0d.1 (Intel Apollolake SOC) PCI: 00:0d.2 (Intel Apollolake SOC) PCI: 00:0d.3 (Intel Apollolake SOC) PCI: 00:0e.0 (Intel Apollolake SOC) GENERIC: 0.0 (Maxim Integrated 98357A Amplifier) PCI: 00:11.0 (Intel Apollolake SOC) PCI: 00:12.0 (Intel Apollolake SOC) PCI: 00:13.0 (Intel Apollolake SOC) PCI: 00:13.1 (Intel Apollolake SOC) PCI: 00:13.2 (Intel Apollolake SOC) PCI: 00:13.3 (Intel Apollolake SOC) PCI: 00:14.0 (Intel Apollolake SOC) PCI: 01:00.0 (Intel WiFi) PCI: 00:14.1 (Intel Apollolake SOC) PCI: 00:15.0 (Intel Apollolake SOC) PCI: 00:15.1 (Intel Apollolake SOC) PCI: 00:16.0 (Intel Apollolake SOC) I2C: 01:1a (Dialog Semiconductor DA7219 Audio Codec) PCI: 00:16.1 (Intel Apollolake SOC) PCI: 00:16.2 (Intel Apollolake SOC) I2C: 02:50 (I2C TPM) PCI: 00:16.3 (Intel Apollolake SOC) I2C: 03:10 (I2C Device) I2C: 03:39 (I2C Device) PCI: 00:17.0 (Intel Apollolake SOC) I2C: 04:15 (I2C Device) I2C: 04:2c (I2C HID Device) PCI: 00:17.1 (Intel Apollolake SOC) I2C: 05:09 (I2C HID Device) PCI: 00:17.2 (Intel Apollolake SOC) PCI: 00:17.3 (Intel Apollolake SOC) PCI: 00:18.0 (Intel Apollolake SOC) PCI: 00:18.1 (Intel Apollolake SOC) PCI: 00:18.2 (Intel Apollolake SOC) PCI: 00:18.3 (Intel Apollolake SOC) PCI: 00:19.0 (Intel Apollolake SOC) PCI: 00:19.1 (Intel Apollolake SOC) PCI: 00:19.2 (Intel Apollolake SOC) PCI: 00:1a.0 (Intel Apollolake SOC) PCI: 00:1b.0 (Intel Apollolake SOC) PCI: 00:1c.0 (Intel Apollolake SOC) PCI: 00:1e.0 (Intel Apollolake SOC) PCI: 00:1f.0 (Intel Apollolake SOC) PNP: 0c09.0 (Google Chrome EC) PCI: 00:1f.1 (Intel Apollolake SOC) PCI: 00:0f.0 (unknown) PCI: 00:0f.1 (unknown) PCI: 00:0f.2 (unknown) APIC: 06 (unknown) APIC: 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 34e5 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 812275 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 172 run 107961 exit 29910 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 7147601/tftp-deploy-s76canxm/kernel/bzImage 7147601/tftp-deploy-s76canxm/kernel/cmdline 7147601/tftp-deploy-s76canxm/ramdisk/ramdisk.cpio.gz tftpboot 192.168.201.1 7147601/tftp-deploy-s76canxm/kernel/bzImaoy-s76canxm/kernel/cmdline 7147601/tftp-deploy-s76canxm/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: 7147601/tftp-deploy-s76canxm/kernel/bzImage Sending tftp read request... done. Waiting for the transfer... 00000000 ################################################################ 00080000 ################################################################ 00100000 ################################################################ 00180000 ################################################################ 00200000 ################################################################ 00280000 ################################################################ 00300000 ################################################################ 00380000 ################################################################ 00400000 ################################################################ 00480000 ################################################################ 00500000 ################################################################ 00580000 ################################################################ 00600000 ################################################################ 00680000 ################################################################ 00700000 ################################################################ 00780000 ################################################################ 00800000 ################################################################ 00880000 ################################################################ 00900000 ################################################################ 00980000 ################################################################ 00a00000 ################################################################ 00a80000 ################################################################ 00b00000 ################################################################ 00b80000 ################################################################ 00c00000 ################################################################ 00c80000 ################################################################ 00d00000 ####### done. The bootfile was 13685664 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: 7147601/tftp-deploy-s76canxm/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/7147601/extract-nfsrootfs-quclheno,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: 19436253 Starting kernel ... [ 0.000000] Linux version 5.10.138-cip15 (KernelCI@build-j91141-x86-64-gcc-10-x86-64-defconfig-x86-chromebookql9bp) (gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2) #1 SMP Wed Aug 31 11:35:50 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/7147601/extract-nfsrootfs-quclheno,tcp,hard ip=dhcp tftpserverip=192.168.201.1 [ 0.000000] x86/fpu: Supporting XSAVE feature 0x001: 'x87 floating point registers' [ 0.000000] x86/fpu: Supporting XSAVE feature 0x002: 'SSE registers' [ 0.000000] x86/fpu: Supporting XSAVE feature 0x008: 'MPX bounds registers' [ 0.000000] x86/fpu: Supporting XSAVE feature 0x010: 'MPX CSR' [ 0.000000] x86/fpu: xstate_offset[3]: 576, xstate_sizes[3]: 64 [ 0.000000] x86/fpu: xstate_offset[4]: 640, xstate_sizes[4]: 64 [ 0.000000] x86/fpu: Enabled xstate features 0x1b, context size is 704 bytes, using 'compacted' format. [ 0.000000] BIOS-provided physical RAM map: [ 0.000000] BIOS-e820: [mem 0x0000000000000000-0x0000000000000fff] type 16 [ 0.000000] BIOS-e820: [mem 0x0000000000001000-0x000000000009ffff] usable [ 0.000000] BIOS-e820: [mem 0x00000000000a0000-0x00000000000fffff] reserved [ 0.000000] BIOS-e820: [mem 0x0000000000100000-0x000000000fffffff] usable [ 0.000000] BIOS-e820: [mem 0x0000000010000000-0x0000000012150fff] reserved [ 0.000000] BIOS-e820: [mem 0x0000000012151000-0x000000007a9fcfff] usable [ 0.000000] BIOS-e820: [mem 0x000000007a9fd000-0x000000007affffff] type 16 [ 0.000000] BIOS-e820: [mem 0x000000007b000000-0x000000007fffffff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000d0000000-0x00000000d0ffffff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000e0000000-0x00000000efffffff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000fed10000-0x00000000fed17fff] reserved [ 0.000000] BIOS-e820: [mem 0x0000000100000000-0x000000017fffffff] usable [ 0.000000] NX (Execute Disable) protection: active [ 0.000000] SMBIOS 2.7 present. [ 0.000000] DMI: Google Coral/Coral, BIOS 09/29/2020 [ 0.000000] tsc: Detected 1094.400 MHz processor [ 0.000058] last_pfn = 0x180000 max_arch_pfn = 0x400000000 [ 0.000306] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT [ 0.001175] last_pfn = 0x7a9fd max_arch_pfn = 0x400000000 [ 0.005351] check: Scanning 1 areas for low memory corruption [ 0.005364] Using GB pages for direct mapping [ 0.006037] RAMDISK: [mem 0x377fa000-0x37ffffff] [ 0.006045] ACPI: Early table checksum verification disabled [ 0.006053] ACPI: RSDP 0x00000000000F0000 000024 (v02 CORE ) [ 0.006064] ACPI: XSDT 0x000000007AB100E0 00005C (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.006078] ACPI: FACP 0x000000007AB13130 0000F4 (v04 CORE COREBOOT 00000000 CORE 00000000) [ 0.006091] ACPI: DSDT 0x000000007AB10280 002EA8 (v05 COREv4 COREBOOT 20110725 INTL 20150717) [ 0.006102] ACPI: FACS 0x000000007AB10240 000040 [ 0.006111] ACPI: FACS 0x000000007AB10240 000040 [ 0.006120] ACPI: SSDT 0x000000007AB13230 0015FA (v02 CORE COREBOOT 0000002A CORE 0000002A) [ 0.006131] ACPI: MCFG 0x000000007AB14830 00003C (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.006140] ACPI: TCPA 0x000000007AB14870 000032 (v02 CORE COREBOOT 00000000 CORE 00000000) [ 0.006150] ACPI: APIC 0x000000007AB148B0 00006C (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.006160] ACPI: NHLT 0x000000007AB14920 000E60 (v05 coral coral 00000021 CORE 00000000) [ 0.006170] ACPI: HPET 0x000000007AB17780 000038 (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.006180] ACPI: Reserving FACP table memory at [mem 0x7ab13130-0x7ab13223] [ 0.006184] ACPI: Reserving DSDT table memory at [mem 0x7ab10280-0x7ab13127] [ 0.006188] ACPI: Reserving FACS table memory at [mem 0x7ab10240-0x7ab1027f] [ 0.006193] ACPI: Reserving FACS table memory at [mem 0x7ab10240-0x7ab1027f] [ 0.006196] ACPI: Reserving SSDT table memory at [mem 0x7ab13230-0x7ab14829] [ 0.006200] ACPI: Reserving MCFG table memory at [mem 0x7ab14830-0x7ab1486b] [ 0.006205] ACPI: Reserving TCPA table memory at [mem 0x7ab14870-0x7ab148a1] [ 0.006209] ACPI: Reserving APIC table memory at [mem 0x7ab148b0-0x7ab1491b] [ 0.006213] ACPI: Reserving NHLT table memory at [mem 0x7ab14920-0x7ab1577f] [ 0.006217] ACPI: Reserving HPET table memory at [mem 0x7ab17780-0x7ab177b7] [ 0.006339] No NUMA configuration found [ 0.006344] Faking a node at [mem 0x0000000000000000-0x000000017fffffff] [ 0.006353] NODE_DATA(0) allocated [mem 0x17fff9000-0x17fffcfff] [ 0.006399] Zone ranges: [ 0.006404] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 0.006410] DMA32 [mem 0x0000000001000000-0x00000000ffffffff] [ 0.006416] Normal [mem 0x0000000100000000-0x000000017fffffff] [ 0.006422] Movable zone start for each node [ 0.006426] Early memory node ranges [ 0.006430] node 0: [mem 0x0000000000001000-0x000000000009ffff] [ 0.006434] node 0: [mem 0x0000000000100000-0x000000000fffffff] [ 0.006438] node 0: [mem 0x0000000012151000-0x000000007a9fcfff] [ 0.006443] node 0: [mem 0x0000000100000000-0x000000017fffffff] [ 0.006448] Initmem setup node 0 [mem 0x0000000000001000-0x000000017fffffff] [ 0.006480] On node 0, zone DMA: 1 pages in unavailable ranges [ 0.006531] On node 0, zone DMA: 96 pages in unavailable ranges [ 0.013277] On node 0, zone DMA32: 8529 pages in unavailable ranges [ 0.020810] On node 0, zone Normal: 22019 pages in unavailable ranges [ 0.020842] Reserving Intel graphics memory at [mem 0x7c000000-0x7fffffff] [ 0.021140] ACPI: PM-Timer IO Port: 0x408 [ 0.021215] IOAPIC[0]: apic_id 2, version 32, address 0xfec00000, GSI 0-119 [ 0.021232] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl) [ 0.021238] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 low level) [ 0.021251] Using ACPI (MADT) for SMP configuration information [ 0.021257] ACPI: HPET id: 0x8086a701 base: 0xfed00000 [ 0.021268] TSC deadline timer available [ 0.021273] smpboot: Allowing 4 CPUs, 0 hotplug CPUs [ 0.021307] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] [ 0.021312] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000fffff] [ 0.021317] PM: hibernation: Registered nosave memory: [mem 0x10000000-0x12150fff] [ 0.021322] PM: hibernation: Registered nosave memory: [mem 0x7a9fd000-0x7affffff] [ 0.021326] PM: hibernation: Registered nosave memory: [mem 0x7b000000-0x7fffffff] [ 0.021330] PM: hibernation: Registered nosave memory: [mem 0x80000000-0xcfffffff] [ 0.021334] PM: hibernation: Registered nosave memory: [mem 0xd0000000-0xd0ffffff] [ 0.021337] PM: hibernation: Registered nosave memory: [mem 0xd1000000-0xdfffffff] [ 0.021341] PM: hibernation: Registered nosave memory: [mem 0xe0000000-0xefffffff] [ 0.021345] PM: hibernation: Registered nosave memory: [mem 0xf0000000-0xfed0ffff] [ 0.021349] PM: hibernation: Registered nosave memory: [mem 0xfed10000-0xfed17fff] [ 0.021352] PM: hibernation: Registered nosave memory: [mem 0xfed18000-0xffffffff] [ 0.021360] [mem 0x80000000-0xcfffffff] available for PCI devices [ 0.021369] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1910969940391419 ns [ 0.029795] setup_percpu: NR_CPUS:64 nr_cpumask_bits:64 nr_cpu_ids:4 nr_node_ids:1 [ 0.030416] percpu: Embedded 59 pages/cpu s200848 r8192 d32624 u524288 [ 0.030511] Built 1 zonelists, mobility grouping on. Total pages: 1002002 [ 0.030519] Policy zone: Normal [ 0.030541] 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/7147601/extract-nfsrootfs-quclheno,tcp,hard ip=dhcp tftpserverip=192.168.201.1 [ 0.031502] Dentry cache hash table entries: 524288 (order: 10, 4194304 bytes, linear) [ 0.031945] Inode-cache hash table entries: 262144 (order: 9, 2097152 bytes, linear) [ 0.032011] mem auto-init: stack:off, heap alloc:off, heap free:off [ 0.065170] Memory: 3873284K/4071724K available (18450K kernel code, 3465K rwdata, 6032K rodata, 2036K init, 13240K bss, 198180K reserved, 0K cma-reserved) [ 0.065334] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1 [ 0.065395] Kernel/User page tables isolation: enabled [ 0.065467] ftrace: allocating 53372 entries in 209 pages [ 0.096034] ftrace: allocated 209 pages with 4 groups [ 0.096385] Running RCU self tests [ 0.096403] rcu: Hierarchical RCU implementation. [ 0.096407] rcu: RCU event tracing is enabled. [ 0.096411] rcu: RCU lockdep checking is enabled. [ 0.096415] rcu: RCU restricting CPUs from NR_CPUS=64 to nr_cpu_ids=4. [ 0.096419] Rude variant of Tasks RCU enabled. [ 0.096422] Tracing variant of Tasks RCU enabled. [ 0.096426] rcu: RCU calculated value of scheduler-enlistment delay is 100 jiffies. [ 0.096430] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=4 [ 0.104948] NR_IRQS: 4352, nr_irqs: 1024, preallocated irqs: 16 [ 0.105388] random: crng init done [ 0.105502] Console: colour dummy device 80x25 [ 0.174467] printk: console [ttyS2] enabled [ 0.174830] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 0.175482] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 0.175830] ... MAX_LOCK_DEPTH: 48 [ 0.176192] ... MAX_LOCKDEP_KEYS: 8192 [ 0.176561] ... CLASSHASH_SIZE: 4096 [ 0.176938] ... MAX_LOCKDEP_ENTRIES: 32768 [ 0.177313] ... MAX_LOCKDEP_CHAINS: 65536 [ 0.177694] ... CHAINHASH_SIZE: 32768 [ 0.178079] memory used by lock dependency info: 6365 kB [ 0.178531] memory used for stack traces: 4224 kB [ 0.178940] per task-struct memory footprint: 1920 bytes [ 0.179467] ACPI: Core revision 20200925 [ 0.180167] clocksource: hpet: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 99544814920 ns [ 0.181012] APIC: Switch to symmetric I/O mode setup [ 0.186021] ..TIMER: vector=0x30 apic1=0 pin1=2 apic2=-1 pin2=-1 [ 0.191001] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0xfc66f4fc7c, max_idle_ns: 440795224246 ns [ 0.191893] Calibrating delay loop (skipped), value calculated using timer frequency.. 2188.80 BogoMIPS (lpj=1094400) [ 0.192879] pid_max: default: 32768 minimum: 301 [ 0.193955] LSM: Security Framework initializing [ 0.194383] SELinux: Initializing. [ 0.194934] LSM support for eBPF active [ 0.195305] Mount-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) [ 0.195892] Mountpoint-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) [ 0.197927] mce: CPU0: Thermal monitoring enabled (TM1) [ 0.198474] Last level iTLB entries: 4KB 48, 2MB 0, 4MB 0 [ 0.198878] Last level dTLB entries: 4KB 0, 2MB 0, 4MB 0, 1GB 0 [ 0.199396] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization [ 0.199880] Spectre V2 : Mitigation: Retpolines [ 0.200265] Spectre V2 : Spectre v2 / SpectreRSB mitigation: Filling RSB on context switch [ 0.200878] Spectre V2 : Spectre v2 / SpectreRSB : Filling RSB on VMEXIT [ 0.201444] Speculative Store Bypass: Vulnerable [ 0.219194] ------------[ cut here ]------------ [ 0.219613] missing return thunk: lkdtm_rodata_do_nothing+0x0/0x10-lkdtm_rodata_do_nothing+0x5/0x10: e9 00 00 00 00 [ 0.219625] WARNING: CPU: 0 PID: 0 at arch/x86/kernel/alternative.c:712 apply_returns+0x1f5/0x220 [ 0.220878] Modules linked in: [ 0.221150] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.10.138-cip15 #1 [ 0.221879] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 0.222385] RIP: 0010:apply_returns+0x1f5/0x220 [ 0.222881] Code: c4 01 00 0f 85 e1 fe ff ff 49 89 e8 b9 05 00 00 00 4c 89 f2 48 89 ee 48 c7 c7 78 6d e0 95 c6 05 1c 5c c4 01 01 e8 c6 6a e8 00 <0f> 0b e9 b9 fe ff ff 44 89 f9 c7 00 cc cc cc cc c7 44 08 fc cc cc [ 0.223878] RSP: 0000:ffffffff96003de0 EFLAGS: 00010282 [ 0.224879] RAX: 0000000000000000 RBX: ffffffff96ae3ee0 RCX: 0000000000000000 [ 0.225481] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff9477a871 [ 0.225880] RBP: ffffffff95ada0e0 R08: 0000000000000001 R09: 0000000000000001 [ 0.226484] R10: ffffffff9608fb80 R11: 3fffffffffffffff R12: ffffffff96afba88 [ 0.226880] R13: cccccccccccccccc R14: ffffffff95ada0e5 R15: 0000000000000004 [ 0.227880] FS: 0000000000000000(0000) GS:ffff99247bc00000(0000) knlGS:0000000000000000 [ 0.228560] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 0.228878] CR2: ffff99247ffff000 CR3: 0000000021826000 CR4: 00000000003506f0 [ 0.229480] Call Trace: [ 0.229904] alternative_instructions+0x7d/0x143 [ 0.230311] check_bugs+0xec1/0xf1d [ 0.230619] start_kernel+0x517/0x54d [ 0.230886] secondary_startup_64_no_verify+0xc2/0xcb [ 0.231336] irq event stamp: 89305 [ 0.231632] hardirqs last enabled at (89313): [] console_unlock+0x4d1/0x5f0 [ 0.231880] hardirqs last disabled at (89324): [] console_unlock+0x444/0x5f0 [ 0.232881] softirqs last enabled at (89334): [] irq_enter_rcu+0x71/0x80 [ 0.233879] softirqs last disabled at (89345): [] irq_enter_rcu+0x56/0x80 [ 0.234587] ---[ end trace b14a4b6e2783026e ]--# - [ 0.243830] Freeing SMP alternatives memory: 44K [ 0.246054] smpboot: CPU0: Intel(R) Pentium(R) CPU N4200 @ 1.10GHz (family: 0x6, model: 0x5c, stepping: 0x9) [ 0.247788] Performance Events: PEBS fmt3+, Goldmont events, 32-deep LBR, full-width counters, Intel PMU driver. [ 0.247891] ... version: 4 [ 0.248234] ... bit width: 48 [ 0.248592] ... generic registers: 4 [ 0.248881] ... value mask: 0000ffffffffffff [ 0.249333] ... max period: 00007fffffffffff [ 0.249788] ... fixed-purpose events: 3 [ 0.249880] ... event mask: 000000070000000f [ 0.250831] rcu: Hierarchical SRCU implementation. [ 0.252705] smp: Bringing up secondary CPUs ... [ 0.253715] x86: Booting SMP configuration: [ 0.253897] .... node #0, CPUs: #1 #2 #3 [ 0.257022] smp: Brought up 1 node, 4 CPUs [ 0.257887] smpboot: Max logical packages: 1 [ 0.258258] smpboot: Total of 4 processors activated (8755.20 BogoMIPS) [ 0.260276] devtmpfs: initialized [ 0.260529] x86/mm: Memory block size: 128MB [ 0.266055] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1911260446275000 ns [ 0.266897] futex hash table entries: 1024 (order: 5, 131072 bytes, linear) [ 0.268000] pinctrl core: initialized pinctrl subsystem [ 0.268825] PM: RTC time: 11:46:44, date: 2022-08-31 [ 0.269459] NET: Registered protocol family 16 [ 0.270606] audit: initializing netlink subsys (disabled) [ 0.270961] audit: type=2000 audit(1661946404.084:1): state=initialized audit_enabled=0 res=1 [ 0.271687] thermal_sys: Registered thermal governor 'step_wise' [ 0.271693] thermal_sys: Registered thermal governor 'user_space' [ 0.272931] cpuidle: using governor menu [ 0.274114] ACPI: bus type PCI registered [ 0.274276] PCI: MMCONFIG for domain 0000 [bus 00-ff] at [mem 0xe0000000-0xefffffff] (base 0xe0000000) [ 0.274888] PCI: MMCONFIG at [mem 0xe0000000-0xefffffff] reserved in E820 [ 0.275523] PCI: Using configuration type 1 for base access [ 0.300022] Kprobes globally optimized [ 0.301055] HugeTLB registered 1.00 GiB page size, pre-allocated 0 pages [ 0.301055] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages [ 0.302049] cryptomgr_test (40) used greatest stack depth: 14880 bytes left [ 0.306275] ACPI: Added _OSI(Module Device) [ 0.306649] ACPI: Added _OSI(Processor Device) [ 0.306892] ACPI: Added _OSI(3.0 _SCP Extensions) [ 0.307303] ACPI: Added _OSI(Processor Aggregator Device) [ 0.307772] ACPI: Added _OSI(Linux-Dell-Video) [ 0.307894] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio) [ 0.308353] ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics) [ 0.317709] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 0.324371] ACPI: EC: EC started [ 0.324672] ACPI: EC: interrupt blocked [ 0.326539] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62 [ 0.326887] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC used to handle transactions [ 0.327512] ACPI: Interpreter enabled [ 0.327897] ACPI: (supports S0 S3 S5) [ 0.328228] ACPI: Using IOAPIC for interrupt routing [ 0.328705] PCI: Using host bridge windows from ACPI; if necessary, use \"pci=nocrs\" and report a bug [ 0.329749] ACPI: Enabled 1 GPEs in block 00 to 7F [ 0.334958] ACPI: Power Resource [PXP] (on) [ 0.357937] ACPI: Power Resource [PRIC] (on) [ 0.384410] ACPI: Power Resource [PRIC] (on) [ 0.456602] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 0.457895] acpi PNP0A08:00: _OSC: OS supports [ExtendedConfig ASPM ClockPM Segments MSI HPX-Type3] [ 0.458954] acpi PNP0A08:00: _OSC: OS now controls [PME PCIeCapability LTR] [ 0.460330] PCI host bridge to bus 0000:00 [ 0.460695] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 0.460884] pci_bus 0000:00: root bus resource [io 0x1000-0xffff window] [ 0.461466] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 0.461882] pci_bus 0000:00: root bus resource [mem 0x7b800000-0x7fffffff window] [ 0.462516] pci_bus 0000:00: root bus resource [mem 0x80000000-0xe0000000 window] [ 0.462884] pci_bus 0000:00: root bus resource [bus 00-ff] [ 0.463429] pci 0000:00:00.0: [8086:5af0] type 00 class 0x060000 [ 0.464796] pci 0000:00:00.1: [8086:5a8c] type 00 class 0x118000 [ 0.465927] pci 0000:00:00.1: reg 0x10: [mem 0xc2b10000-0xc2b17fff 64bit] [ 0.467189] pci 0000:00:00.2: [8086:5a8e] type 00 class 0x130000 [ 0.467718] pci 0000:00:00.2: reg 0x10: [mem 0xc2800000-0xc28fffff 64bit] [ 0.467897] pci 0000:00:00.2: reg 0x18: [mem 0xc2000000-0xc27fffff 64bit] [ 0.468491] pci 0000:00:00.2: reg 0x20: [mem 0xc2b38000-0xc2b381ff 64bit] [ 0.469364] pci 0000:00:02.0: [8086:5a84] type 00 class 0x030000 [ 0.469900] pci 0000:00:02.0: reg 0x10: [mem 0xc0000000-0xc0ffffff 64bit] [ 0.470488] pci 0000:00:02.0: reg 0x18: [mem 0xb0000000-0xbfffffff 64bit pref] [ 0.471891] pci 0000:00:02.0: reg 0x20: [io 0x1000-0x103f] [ 0.472886] pci 0000:00:03.0: [8086:5a88] type 00 class 0x048000 [ 0.473420] pci 0000:00:03.0: reg 0x10: [mem 0xc1000000-0xc1ffffff 64bit] [ 0.474464] pci 0000:00:0e.0: [8086:5a98] type 00 class 0x040100 [ 0.474919] pci 0000:00:0e.0: reg 0x10: [mem 0xc2b18000-0xc2b1bfff 64bit] [ 0.475549] pci 0000:00:0e.0: reg 0x20: [mem 0xc2900000-0xc29fffff 64bit] [ 0.476011] pci 0000:00:0e.0: PME# supported from D0 D3hot D3cold [ 0.477256] pci 0000:00:0f.0: [8086:5a9a] type 00 class 0x078000 [ 0.477812] pci 0000:00:0f.0: reg 0x10: [mem 0xc2b1e000-0xc2b1efff 64bit] [ 0.479049] pci 0000:00:0f.0: PME# supported from D3hot [ 0.480017] pci 0000:00:14.0: [8086:5ad6] type 01 class 0x060400 [ 0.480736] pci 0000:00:14.0: PME# supported from D0 D3hot D3cold [ 0.481566] pci 0000:00:15.0: [8086:5aa8] type 00 class 0x0c0330 [ 0.481919] pci 0000:00:15.0: reg 0x10: [mem 0xc2b00000-0xc2b0ffff 64bit] [ 0.482649] pci 0000:00:15.0: PME# supported from D3hot D3cold [ 0.483545] pci 0000:00:16.0: [8086:5aac] type 00 class 0x118000 [ 0.484920] pci 0000:00:16.0: reg 0x10: [mem 0xc2b21000-0xc2b21fff 64bit] [ 0.485522] pci 0000:00:16.0: reg 0x18: [mem 0xc2b22000-0xc2b22fff 64bit] [ 0.486550] pci 0000:00:16.1: [8086:5aae] type 00 class 0x118000 [ 0.486920] pci 0000:00:16.1: reg 0x10: [mem 0xc2b23000-0xc2b23fff 64bit] [ 0.487519] pci 0000:00:16.1: reg 0x18: [mem 0xc2b24000-0xc2b24fff 64bit] [ 0.488573] pci 0000:00:16.2: [8086:5ab0] type 00 class 0x118000 [ 0.488921] pci 0000:00:16.2: reg 0x10: [mem 0xc2b25000-0xc2b25fff 64bit] [ 0.489521] pci 0000:00:16.2: reg 0x18: [mem 0xc2b26000-0xc2b26fff 64bit] [ 0.491552] pci 0000:00:16.3: [8086:5ab2] type 00 class 0x118000 [ 0.491921] pci 0000:00:16.3: reg 0x10: [mem 0xc2b27000-0xc2b27fff 64bit] [ 0.492520] pci 0000:00:16.3: reg 0x18: [mem 0xc2b28000-0xc2b28fff 64bit] [ 0.493578] pci 0000:00:17.0: [8086:5ab4] type 00 class 0x118000 [ 0.493920] pci 0000:00:17.0: reg 0x10: [mem 0xc2b29000-0xc2b29fff 64bit] [ 0.494519] pci 0000:00:17.0: reg 0x18: [mem 0xc2b2a000-0xc2b2afff 64bit] [ 0.495554] pci 0000:00:17.1: [8086:5ab6] type 00 class 0x118000 [ 0.496921] pci 0000:00:17.1: reg 0x10: [mem 0xc2b2b000-0xc2b2bfff 64bit] [ 0.497522] pci 0000:00:17.1: reg 0x18: [mem 0xc2b2c000-0xc2b2cfff 64bit] [ 0.498580] pci 0000:00:18.0: [8086:5abc] type 00 class 0x118000 [ 0.498920] pci 0000:00:18.0: reg 0x10: [mem 0xc2b2d000-0xc2b2dfff 64bit] [ 0.499521] pci 0000:00:18.0: reg 0x18: [mem 0xc2b2e000-0xc2b2efff 64bit] [ 0.500553] pci 0000:00:18.1: [8086:5abe] type 00 class 0x118000 [ 0.500920] pci 0000:00:18.1: reg 0x10: [mem 0xc2b2f000-0xc2b2ffff 64bit] [ 0.501522] pci 0000:00:18.1: reg 0x18: [mem 0xc2b30000-0xc2b30fff 64bit] [ 0.503578] pci 0000:00:18.2: [8086:5ac0] type 00 class 0x118000 [ 0.503919] pci 0000:00:18.2: reg 0x10: [mem 0xde000000-0xde000fff 64bit] [ 0.504517] pci 0000:00:18.2: reg 0x18: [mem 0xc2b31000-0xc2b31fff 64bit] [ 0.505573] pci 0000:00:19.0: [8086:5ac2] type 00 class 0x118000 [ 0.505920] pci 0000:00:19.0: reg 0x10: [mem 0xc2b32000-0xc2b32fff 64bit] [ 0.506520] pci 0000:00:19.0: reg 0x18: [mem 0xc2b33000-0xc2b33fff 64bit] [ 0.507596] pci 0000:00:1b.0: [8086:5aca] type 00 class 0x080501 [ 0.508914] pci 0000:00:1b.0: reg 0x10: [mem 0xc2b34000-0xc2b34fff 64bit] [ 0.509510] pci 0000:00:1b.0: reg 0x18: [mem 0xc2b35000-0xc2b35fff 64bit] [ 0.510523] pci 0000:00:1c.0: [8086:5acc] type 00 class 0x080501 [ 0.510912] pci 0000:00:1c.0: reg 0x10: [mem 0xc2b36000-0xc2b36fff 64bit] [ 0.511506] pci 0000:00:1c.0: reg 0x18: [mem 0xc2b37000-0xc2b37fff 64bit] [ 0.512675] pci 0000:00:1f.0: [8086:5ae8] type 00 class 0x060100 [ 0.514749] pci 0000:00:1f.1: [8086:5ad4] type 00 class 0x0c0500 [ 0.514953] pci 0000:00:1f.1: reg 0x10: [mem 0xc2b39000-0xc2b390ff 64bit] [ 0.515613] pci 0000:00:1f.1: reg 0x20: [io 0x1040-0x105f] [ 0.517089] pci 0000:01:00.0: [8086:095a] type 00 class 0x028000 [ 0.518108] pci 0000:01:00.0: reg 0x10: [mem 0xc2a00000-0xc2a01fff 64bit] [ 0.519363] pci 0000:01:00.0: Upstream bridge's Max Payload Size set to 128 (was 256, max 256) [ 0.520032] pci 0000:01:00.0: Max Payload Size set to 128 (was 128, max 128) [ 0.521571] pci 0000:01:00.0: PME# supported from D0 D3hot D3cold [ 0.524702] pci 0000:00:14.0: PCI bridge to [bus 01] [ 0.524895] pci 0000:00:14.0: bridge window [mem 0xc2a00000-0xc2afffff] [ 0.532863] ACPI: EC: interrupt unblocked [ 0.532881] ACPI: EC: event unblocked [ 0.533224] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62 [ 0.533667] ACPI: EC: GPE=0x2b [ 0.533886] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC initialization complete [ 0.534486] ACPI: \_SB_.PCI0.LPCB.EC0_: EC: Used to handle transactions and events [ 0.536424] iommu: Default domain type: Translated [ 0.537080] pci 0000:00:02.0: vgaarb: setting as boot VGA device [ 0.537491] pci 0000:00:02.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none [ 0.537908] pci 0000:00:02.0: vgaarb: bridge control possible [ 0.538404] vgaarb: loaded [ 0.539199] SCSI subsystem initialized [ 0.539956] ACPI: bus type USB registered [ 0.540423] usbcore: registered new interface driver usbfs [ 0.540941] usbcore: registered new interface driver hub [ 0.541432] usbcore: registered new device driver usb [ 0.542003] pps_core: LinuxPPS API ver. 1 registered [ 0.542432] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 0.543894] PTP clock support registered [ 0.544890] Advanced Linux Sound Architecture Driver Initialized. [ 0.546387] NetLabel: Initializing [ 0.546695] NetLabel: domain hash size = 128 [ 0.546882] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO [ 0.547430] NetLabel: unlabeled traffic allowed by default [ 0.547996] PCI: Using ACPI for IRQ routing [ 0.579482] Expanded resource Reserved due to conflict with PCI Bus 0000:00 [ 0.579970] hpet0: at MMIO 0xfed00000, IRQs 2, 8, 0, 0, 0, 0, 0, 0 [ 0.580516] hpet0: 8 comparators, 64-bit 19.200000 MHz counter [ 0.583999] clocksource: Switched to clocksource tsc-early [ 1.005438] VFS: Disk quotas dquot_6.6.0 [ 1.005827] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 1.006808] pnp: PnP ACPI init [ 1.007916] system 00:00: [io 0x0900-0x09fe] has been reserved [ 1.008720] system 00:01: [io 0x0200] has been reserved [ 1.009196] system 00:01: [io 0x0204] has been reserved [ 1.009648] system 00:01: [io 0x0800-0x087f] has been reserved [ 1.010172] system 00:01: [io 0x0880-0x08ff] has been reserved [ 1.012949] pnp: PnP ACPI: found 3 devices [ 1.028430] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns [ 1.029316] NET: Registered protocol family 2 [ 1.029912] IP idents hash table entries: 65536 (order: 7, 524288 bytes, linear) [ 1.032033] tcp_listen_portaddr_hash hash table entries: 2048 (order: 5, 163840 bytes, linear) [ 1.033023] TCP established hash table entries: 32768 (order: 6, 262144 bytes, linear) [ 1.033955] TCP bind hash table entries: 32768 (order: 9, 2359296 bytes, linear) [ 1.036537] TCP: Hash tables configured (established 32768 bind 32768) [ 1.037615] MPTCP token hash table entries: 4096 (order: 6, 360448 bytes, linear) [ 1.038588] UDP hash table entries: 2048 (order: 6, 327680 bytes, linear) [ 1.039453] UDP-Lite hash table entries: 2048 (order: 6, 327680 bytes, linear) [ 1.040532] NET: Registered protocol family 1 [ 1.041752] RPC: Registered named UNIX socket transport module. [ 1.042304] RPC: Registered udp transport module. [ 1.042710] RPC: Registered tcp transport module. [ 1.043133] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 1.044255] NET: Registered protocol family 44 [ 1.044673] pci 0000:00:14.0: PCI bridge to [bus 01] [ 1.045140] pci 0000:00:14.0: bridge window [mem 0xc2a00000-0xc2afffff] [ 1.045732] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7 window] [ 1.046269] pci_bus 0000:00: resource 5 [io 0x1000-0xffff window] [ 1.046790] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window] [ 1.047452] pci_bus 0000:00: resource 7 [mem 0x7b800000-0x7fffffff window] [ 1.048051] pci_bus 0000:00: resource 8 [mem 0x80000000-0xe0000000 window] [ 1.048639] pci_bus 0000:01: resource 1 [mem 0xc2a00000-0xc2afffff] [ 1.049426] pci 0000:00:02.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff] [ 1.052864] PCI: CLS 64 bytes, default 64 [ 1.053628] Unpacking initramfs... [ 1.272378] Freeing initrd memory: 8216K [ 1.272812] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) [ 1.273387] software IO TLB: mapped [mem 0x00000000769fd000-0x000000007a9fd000] (64MB) [ 1.274367] RAPL PMU: API unit is 2^-32 Joules, 4 fixed counters, 655360 ms ovfl timer [ 1.275135] RAPL PMU: hw unit of domain pp0-core 2^-14 Joules [ 1.275619] RAPL PMU: hw unit of domain package 2^-14 Joules [ 1.276117] RAPL PMU: hw unit of domain dram 2^-14 Joules [ 1.276581] RAPL PMU: hw unit of domain pp1-gpu 2^-14 Joules [ 1.278387] kvm: already loaded the other module [ 1.278790] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0xfc66f4fc7c, max_idle_ns: 440795224246 ns [ 1.279695] clocksource: Switched to clocksource tsc [ 1.280225] platform rtc_cmos: registered platform RTC device (no PNP device found) [ 1.283326] check: Scanning for low memory corruption every 60 seconds [ 1.286508] Initialise system trusted keyrings [ 1.287252] workingset: timestamp_bits=56 max_order=20 bucket_order=0 [ 1.306006] NFS: Registering the id_resolver key type [ 1.306485] Key type id_resolver registered [ 1.306869] Key type id_legacy registered [ 1.318665] Key type asymmetric registered [ 1.319080] Asymmetric key parser 'x509' registered [ 1.319567] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 249) [ 1.320224] io scheduler mq-deadline registered [ 1.320619] io scheduler kyber registered [ 1.321240] test_firmware: interface ready [ 1.322451] pcieport 0000:00:14.0: PME: Signaling with IRQ 120 [ 1.324232] ACPI: AC Adapter [AC] (on-line) [ 1.324957] input: Lid Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:14/PNP0C09:00/PNP0C0D:00/input/input0 [ 1.326516] ACPI: Lid Switch [LID0] [ 1.327046] input: Power Button as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0C:00/input/input1 [ 1.327930] ACPI: Power Button [PWRB] [ 1.328448] input: Sleep Button as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0E:00/input/input2 [ 1.329366] ACPI: Sleep Button [SLP] [ 1.329906] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input3 [ 1.330717] ACPI: Power Button [PWRF] [ 1.331312] ACPI: \_PR_.CP00: Found 3 idle states [ 1.332476] ACPI: \_PR_.CP01: Found 3 idle states [ 1.333364] ACPI: \_PR_.CP02: Found 3 idle states [ 1.334222] ACPI: \_PR_.CP03: Found 3 idle states [ 1.337092] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 1.339648] battery: ACPI: Battery Slot [BAT0] (battery present) [ 1.340211] Non-volatile memory driver v1.3 [ 1.340395] Linux agpgart interface v0.103 [ 1.344246] i915 0000:00:02.0: vgaarb: deactivate vga console [ 1.398346] i915 0000:00:02.0: Invalid PCI ROM header signature: expecting 0xaa55, got 0x0af7 [ 1.399124] i915 0000:00:02.0: [drm] Failed to find VBIOS tables (VBT) [ 1.399842] i915 0000:00:02.0: vgaarb: changed VGA decodes: olddecodes=io+mem,decodes=io+mem:owns=io+mem [ 1.401173] i915 0000:00:02.0: Direct firmware load for i915/bxt_dmc_ver1_07.bin failed with error -2 [ 1.402072] i915 0000:00:02.0: [drm] Failed to load DMC firmware i915/bxt_dmc_ver1_07.bin. Disabling runtime power management. [ 1.403059] i915 0000:00:02.0: [drm] DMC firmware homepage: https://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git/tree/i915 [ 1.453627] [drm] Initialized i915 1.6.0 20200917 for 0000:00:02.0 on minor 0 [ 1.457278] [drm] Initialized vgem 1.0.0 20120112 for vgem on minor 1 [ 1.473115] loop: module loaded [ 1.474105] lkdtm: No crash points registered, enable through debugfs [ 1.526169] dw-apb-uart.6: ttyS0 at MMIO 0xc2b2d000 (irq = 4, base_baud = 115200) is a 16550A [ 1.529846] dw-apb-uart.7: ttyS1 at MMIO 0xc2b2f000 (irq = 5, base_baud = 115200) is a 16550A [ 1.533170] printk: console [ttyS2] disabled [ 1.533806] dw-apb-uart.8: ttyS2 at MMIO 0xde000000 (irq = 6, base_baud = 114825) is a 16550A [ 1.581929] i915 0000:00:02.0: [drm] *ERROR* AUX B/port B: did not complete or timeout within 10ms (status 0xad4003ff) [ 1.590128] printk: console [ttyS2] enabled [ 1.597159] i915 0000:00:02.0: [drm] *ERROR* AUX B/port B: not done (status 0xad4003ff) [ 1.607198] pxa2xx-spi pxa2xx-spi.9: no DMA channels available, using PIO [ 4.649468] fbcon: i915drmfb (fb0) is primary device [ 4.657947] e100: Intel(R) PRO/100 Network Driver [ 4.657951] e100: Copyright(c) 1999-2006 Intel Corporation [ 4.658011] e1000: Intel(R) PRO/1000 Network Driver [ 4.658013] e1000: Copyright (c) 1999-2006 Intel Corporation. [ 4.658086] e1000e: Intel(R) PRO/1000 Network Driver [ 4.658088] e1000e: Copyright(c) 1999 - 2015 Intel Corporation. [ 4.658167] sky2: driver version 1.30 [ 4.658456] usbcore: registered new interface driver r8152 [ 4.659175] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver [ 4.659217] ehci-pci: EHCI PCI platform driver [ 4.659320] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver [ 4.659335] ohci-pci: OHCI PCI platform driver [ 4.659389] uhci_hcd: USB Universal Host Controller Interface driver [ 4.660941] xhci_hcd 0000:00:15.0: xHCI Host Controller [ 4.661869] xhci_hcd 0000:00:15.0: new USB bus registered, assigned bus number 1 [ 4.663170] xhci_hcd 0000:00:15.0: hcc params 0x200077c1 hci version 0x100 quirks 0x0000000081109810 [ 4.663218] xhci_hcd 0000:00:15.0: cache line size of 64 is not supported [ 4.664990] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.10 [ 4.665006] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 4.665010] usb usb1: Product: xHCI Host Controller [ 4.665013] usb usb1: Manufacturer: Linux 5.10.138-cip15 xhci-hcd [ 4.665015] usb usb1: SerialNumber: 0000:00:15.0 [ 4.666533] hub 1-0:1.0: USB hub found [ 4.666640] hub 1-0:1.0: 8 ports detected [ 4.668567] xhci_hcd 0000:00:15.0: xHCI Host Controller [ 4.669216] xhci_hcd 0000:00:15.0: new USB bus registered, assigned bus number 2 [ 4.669239] xhci_hcd 0000:00:15.0: Host supports USB 3.0 SuperSpeed [ 4.669614] usb usb2: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.10 [ 4.669621] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 4.669624] usb usb2: Product: xHCI Host Controller [ 4.669627] usb usb2: Manufacturer: Linux 5.10.138-cip15 xhci-hcd [ 4.669629] usb usb2: SerialNumber: 0000:00:15.0 [ 4.670685] hub 2-0:1.0: USB hub found [ 4.670760] hub 2-0:1.0: 7 ports detected [ 4.672429] usbcore: registered new interface driver usblp [ 4.672484] usbcore: registered new interface driver usb-storage [ 4.672871] udc-core: couldn't find an available UDC - added [g_ether] to list of pending drivers [ 4.673006] i8042: PNP: PS/2 Controller [PNP0303:PS2K] at 0x60,0x64 irq 1 [ 4.673008] i8042: PNP: PS/2 appears to have AUX port disabled, if this is incorrect please boot with i8042.nopnp [ 4.673683] i8042: Warning: Keylock active [ 4.673945] serio: i8042 KBD port at 0x60,0x64 irq 1 [ 4.676376] rtc_cmos rtc_cmos: RTC can wake from S4 [ 4.678357] rtc_cmos rtc_cmos: registered as rtc0 [ 4.678503] rtc_cmos rtc_cmos: alarms up to one month, 114 bytes nvram, hpet irqs [ 4.679628] input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input4 [ 4.679793] i801_smbus 0000:00:1f.1: can't derive routing for PCI INT A [ 4.679797] i801_smbus 0000:00:1f.1: PCI INT A: no GSI [ 4.679832] i801_smbus 0000:00:1f.1: SPD Write Disable is set [ 4.679884] genirq: Flags mismatch irq 0. 00000080 (i801_smbus) vs. 00015a00 (timer) [ 4.679928] i801_smbus 0000:00:1f.1: Failed to allocate irq 0: -16 [ 4.679931] i801_smbus 0000:00:1f.1: SMBus using polling [ 4.680817] device-mapper: ioctl: 4.43.0-ioctl (2020-10-01) initialised: dm-devel@redhat.com [ 4.680918] intel_pstate: Intel P-state driver initializing [ 4.683613] sdhci: Secure Digital Host Controller Interface driver [ 4.683620] sdhci: Copyright(c) Pierre Ossman [ 4.683838] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) [ 4.692052] sdhci-pci 0000:00:1c.0: SDHCI controller found [8086:5acc] (rev b) [ 4.698788] mmc0: SDHCI controller on PCI [0000:00:1c.0] using ADMA 64-bit [ 4.699810] hid: raw HID events driver (C) Jiri Kosina [ 4.702475] usbcore: registered new interface driver usbhid [ 4.702482] usbhid: USB HID core driver [ 4.704386] Console: switching to colour frame buffer device 240x67 [ 4.704649] input: Tablet Mode Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:14/PNP0C09:00/GOOG0006:00/input/input5 [ 4.712821] cros_ec_lpcs GOOG0004:00: Chrome EC device registered [ 4.716358] snd_hda_intel 0000:00:0e.0: DSP detected with PCI class/subclass/prog-if info 0x040100 [ 4.721602] snd_hda_intel 0000:00:0e.0: bound 0000:00:02.0 (ops i915_audio_component_bind_ops) [ 4.723284] ipip: IPv4 and MPLS over IPv4 tunneling driver [ 4.725099] gre: GRE over IPv4 demultiplexor driver [ 4.725106] ip_gre: GRE over IPv4 tunneling driver [ 4.730554] IPv4 over IPsec tunneling driver [ 4.732164] Initializing XFRM netlink socket [ 4.736367] NET: Registered protocol family 10 [ 4.740764] snd_hda_intel 0000:00:0e.0: Cannot probe codecs, giving up [ 4.742741] Segment Routing with IPv6 [ 4.743282] i915 0000:00:02.0: [drm] fb0: i915drmfb frame buffer device [ 4.746366] ip6_gre: GRE over IPv6 tunneling driver [ 4.748023] NET: Registered protocol family 17 [ 4.748856] 8021q: 802.1Q VLAN Support v1.8 [ 5.266093] Key type dns_resolver registered [ 5.274620] microcode: sig=0x506c9, pf=0x1, revision=0x2c [ 5.281086] microcode: Microcode Update Driver: v2.2. [ 5.281112] IPI shorthand broadcast: enabled [ 5.291877] sched_clock: Marking stable (5210150657, 81549897)->(5297094870, -5394316) [ 5.301978] registered taskstats version 1 [ 5.306627] Loading compiled-in X.509 certificates [ 5.329749] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) [ 5.349218] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) [ 5.366195] PM: Magic number: 2:744:783 [ 5.371110] intel-lpss 0000:00:16.1: hash matches [ 5.373035] mmc0: new HS400 MMC card at address 0001 [ 5.382925] printk: console [netcon0] enabled [ 5.386053] mmcblk0: mmc0:0001 TA2964 58.3 GiB [ 5.387867] netconsole: network logging started [ 5.391990] usb 1-5: new high-speed USB device number 2 using xhci_hcd [ 5.393622] mmcblk0boot0: mmc0:0001 TA2964 partition 1 4.00 MiB [ 5.413064] mmcblk0boot1: mmc0:0001 TA2964 partition 2 4.00 MiB [ 5.420563] mmcblk0rpmb: mmc0:0001 TA2964 partition 3 4.00 MiB, chardev (246:0) [ 5.453195] GPT:partition_entry_array_crc32 values don't match: 0x517f99f8 != 0x839741b6 [ 5.462482] GPT:Primary header thinks Alt. header is not at the end of the disk. [ 5.470861] GPT:119999999 != 122290175 [ 5.475117] GPT:Alternate GPT header not at the end of the disk. [ 5.481926] GPT:119999999 != 122290175 [ 5.486180] GPT: Use GNU Parted to correct GPT errors. [ 5.492033] mmcblk0: p1 p2 p3 p4 p5 p6 p7 p8 p9 p10 p11 p12 [ 5.524403] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) [ 5.525360] IP-Config: Failed to open gretap0 [ 5.537722] IP-Config: Failed to open erspan0 [ 5.542722] IP-Config: No network devices available [ 5.548388] cfg80211: Loading compiled-in X.509 certificates for regulatory database [ 5.574084] modprobe (99) used greatest stack depth: 14120 bytes left [ 5.583370] usb 1-5: New USB device found, idVendor=0408, idProduct=3090, bcdDevice= 0.04 [ 5.592824] usb 1-5: New USB device strings: Mfr=3, Product=1, SerialNumber=2 [ 5.596421] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7' [ 5.600877] usb 1-5: Product: USB2.0 HD UVC WebCam [ 5.609303] ALSA device list: [ 5.609351] platform regulatory.0: Direct firmware load for regulatory.db failed with error -2 [ 5.609406] cfg80211: failed to load regulatory.db [ 5.613582] usb 1-5: Manufacturer: Quanta [ 5.613592] usb 1-5: SerialNumber: 0x0001 [ 5.641310] No soundcards found. [ 5.647449] dw-apb-uart dw-apb-uart.8: forbid DMA for kernel console �d� 5.647624] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) [ 5.676067] usb 2-2: new SuperSpeed Gen 1 USB device number 2 using xhci_hcd [ 5.687393] Freeing unused kernel image (initmem) memory: 2036K [ 5.698996] usb 2-2: New USB device found, idVendor=0bda, idProduct=8153, bcdDevice=31.00 [ 5.700342] Write protecting the kernel read-only data: 26624k [ 5.708224] usb 2-2: New USB device strings: Mfr=1, Product=2, SerialNumber=6 [ 5.722808] usb 2-2: Product: USB 10/100/1000 LAN [ 5.728122] usb 2-2: Manufacturer: Realtek [ 5.732749] usb 2-2: SerialNumber: 001000001 [ 5.738694] Freeing unused kernel image (text/rodata gap) memory: 2028K [ 5.747262] Freeing unused kernel image (rodata/data gap) memory: 112K [ 5.754930] Run /init as init process [ 5.765859] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) Loading, please wait... [ 5.812089] usb 1-6: new full-speed USB device number 3 using xhci_hcd Starting version 247.3-7 [ 5.857409] systemd-udevd (122) used greatest stack depth: 13800 bytes left [ 5.949086] usb 1-6: New USB device found, idVendor=8087, idProduct=0a2a, bcdDevice= 0.03 [ 5.958348] usb 1-6: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 5.973841] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) [ 6.065605] usb 2-2: reset SuperSpeed Gen 1 USB device number 2 using xhci_hcd [ 6.096612] r8152 2-2:1.0: Direct firmware load for rtl_nic/rtl8153b-2.fw failed with error -2 [ 6.106593] r8152 2-2:1.0: unable to load firmware patch rtl_nic/rtl8153b-2.fw (-2) [ 6.153699] r8152 2-2:1.0 eth0: v1.11.11 [ 6.159595] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) [ 6.182778] udevadm (124) used greatest stack depth: 13576 bytes left [ 6.229099] r8152 2-2:1.0 enx00e04c680ade: renamed from eth0 [ 7.083128] cros-usbpd-notify-acpi GOOG0003:00: Couldn't get Chrome EC device pointer. [ 7.100549] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) [ 7.219240] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) [ 7.457719] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) [ 7.477974] 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 [ 7.841768] IPv6: ADDRCONF(NETDEV_CHANGE): enx00e04c680ade: link becomes ready [ 7.851625] r8152 2-2:1.0 enx00e04c680ade: carrier on IP-Config: no response after 2 secs - giving up IP-Config: enx00e04c680ade hardware address 00:e0:4c:68:0a:de mtu 1500 DHCP IP-Config: gretap0 hardware address 00:00:00:00:00:00 mtu 1462 DHCP SIOCSIFFLAGS: Cannot assign requested address IP-Config: erspan0 hardware address 00:00:00:00:00:00 mtu 1450 DHCP SIOCSIFFLAGS: Cannot assign requested address IP-Config: enx00e04c680ade complete (dhcp from 192.168.201.1): address: 192.168.201.17 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 : [ 10.244356] nfsmount (162) used greatest stack depth: 12680 bytes left done. Begin: Running /scripts/nfs-bottom ... done. Begin: Running /scripts/init-bottom ... done. SELinux: Could not open policy file <= /etc/selinux/targeted/policy/policy.33: No such file or directory [ 11.934792] 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) [ 11.974779] systemd[1]: Detected architecture x86-64. Welcome to [1mDebian GNU/Linux 11 (bullseye)[0m! [ 12.016123] systemd[1]: Set hostname to . [ 13.264354] systemd[1]: Queued start job for default target Graphical Interface. [ 13.282635] systemd[1]: Created slice system-getty.slice. [[0;32m OK [0m] Created slice [0;1;39msystem-getty.slice[0m. [ 13.299416] systemd[1]: Created slice system-modprobe.slice. [[0;32m OK [0m] Created slice [0;1;39msystem-modprobe.slice[0m. [ 13.317611] systemd[1]: Created slice system-serial\x2dgetty.slice. [[0;32m OK [0m] Created slice [0;1;39msystem-serial\x2dgetty.slice[0m. [ 13.336419] systemd[1]: Created slice User and Session Slice. [[0;32m OK [0m] Created slice [0;1;39mUser and Session Slice[0m. [ 13.354032] 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. [ 13.376589] 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. [ 13.399132] 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. [ 13.422767] systemd[1]: Reached target Local Encrypted Volumes. [[0;32m OK [0m] Reached target [0;1;39mLocal Encrypted Volumes[0m. [ 13.439720] systemd[1]: Reached target Paths. [[0;32m OK [0m] Reached target [0;1;39mPaths[0m. [ 13.451406] systemd[1]: Reached target Remote File Systems. [[0;32m OK [0m] Reached target [0;1;39mRemote File Systems[0m. [ 13.467627] systemd[1]: Reached target Slices. [[0;32m OK [0m] Reached target [0;1;39mSlices[0m. [ 13.479458] systemd[1]: Reached target Swap. [[0;32m OK [0m] Reached target [0;1;39mSwap[0m. [ 13.491949] systemd[1]: Listening on initctl Compatibility Named Pipe. [[0;32m OK [0m] Listening on [0;1;39minitctl Compatibility Named Pipe[0m. [ 13.513734] systemd[1]: Listening on Journal Audit Socket. [[0;32m OK [0m] Listening on [0;1;39mJournal Audit Socket[0m. [ 13.532406] systemd[1]: Listening on Journal Socket (/dev/log). [[0;32m OK [0m] Listening on [0;1;39mJournal Socket (/dev/log)[0m. [ 13.551761] systemd[1]: Listening on Journal Socket. [[0;32m OK [0m] Listening on [0;1;39mJournal Socket[0m. [ 13.570405] systemd[1]: Listening on Network Service Netlink Socket. [[0;32m OK [0m] Listening on [0;1;39mNetwork Service Netlink Socket[0m. [ 13.592107] systemd[1]: Listening on udev Control Socket. [[0;32m OK [0m] Listening on [0;1;39mudev Control Socket[0m. [ 13.610247] systemd[1]: Listening on udev Kernel Socket. [[0;32m OK [0m] Listening on [0;1;39mudev Kernel Socket[0m. [ 13.635279] systemd[1]: Mounting Huge Pages File System... Mounting [0;1;39mHuge Pages File System[0m... [ 13.659421] systemd[1]: Mounting POSIX Message Queue File System... Mounting [0;1;39mPOSIX Message Queue File System[0m... [ 13.687368] systemd[1]: Mounting Kernel Debug File System... Mounting [0;1;39mKernel Debug File System[0m... [ 13.710010] systemd[1]: Mounting Kernel Trace File System... Mounting [0;1;39mKernel Trace File System[0m... [ 13.737123] 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... [ 13.772517] systemd[1]: Starting Load Kernel Module configfs... Starting [0;1;39mLoad Kernel Module configfs[0m... [ 13.798934] systemd[1]: Starting Load Kernel Module drm... Starting [0;1;39mLoad Kernel Module drm[0m... [ 13.824403] systemd[1]: Starting Load Kernel Module fuse... Starting [0;1;39mLoad Kernel Module fuse[0m... [ 13.836007] mount (189) used greatest stack depth: 12528 bytes left [ 13.859255] systemd[1]: Condition check resulted in Set Up Additional Binary Formats being skipped. [ 13.888066] systemd[1]: Starting Journal Service... Starting [0;1;39mJournal Service[0m... [ 13.923036] fuse: init (API version 7.32) [ 13.928129] systemd[1]: Starting Load Kernel Modules... Starting [0;1;39mLoad Kernel Modules[0m... [ 13.950512] systemd[1]: Starting Remount Root and Kernel File Systems... Starting [0;1;39mRemount Root and Kernel File Systems[0m... [ 13.975558] systemd[1]: Starting Coldplug All udev Devices... Starting [0;1;39mColdplug All udev Devices[0m... [ 14.007957] systemd[1]: Mounted Huge Pages File System. [[0;32m OK [0m] Mounted [0;1;39mHuge Pages File System[0m. [ 14.029590] systemd[1]: Mounted POSIX Message Queue File System. [[0;32m OK [0m] Mounted [0;1;39mPOSIX Message Queue File System[0m. [ 14.047597] systemd[1]: Mounted Kernel Debug File System. [[0;32m OK [0m] Mounted [0;1;39mKernel Debug File System[0m. [ 14.065307] systemd[1]: Mounted Kernel Trace File System. [[0;32m OK [0m] Mounted [0;1;39mKernel Trace File System[0m. [ 14.088359] 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. [ 14.116388] systemd[1]: modprobe@configfs.service: Succeeded. [ 14.125878] systemd[1]: Finished Load Kernel Module configfs. [[0;32m OK [0m] Finished [0;1;39mLoad Kernel Module configfs[0m. [ 14.146542] systemd[1]: modprobe@drm.service: Succeeded. [ 14.155477] systemd[1]: Finished Load Kernel Module drm. [[0;32m OK [0m] Finished [0;1;39mLoad Kernel Module drm[0m. [ 14.175780] systemd[1]: modprobe@fuse.service: Succeeded. [ 14.185316] systemd[1]: Finished Load Kernel Module fuse. [[0;32m OK [0m] Finished [0;1;39mLoad Kernel Module fuse[0m. [ 14.205754] systemd[1]: Finished Load Kernel Modules. [[0;32m OK [0m] Finished [0;1;39mLoad Kernel Modules[0m. [ 14.227257] systemd[1]: Finished Remount Root and Kernel File Systems. [[0;32m OK [0m] Finished [0;1;39mRemount Root and Kernel File Systems[0m. [ 14.254115] systemd[1]: Mounting FUSE Control File System... Mounting [0;1;39mFUSE Control File System[0m... [ 14.275175] systemd[1]: Mounting Kernel Configuration File System... Mounting [0;1;39mKernel Configuration File System[0m... [ 14.300239] systemd[1]: Condition check resulted in Rebuild Hardware Database being skipped. [ 14.310608] systemd[1]: Condition check resulted in Platform Persistent Storage Archival being skipped. [ 14.328499] systemd[1]: Starting Load/Save Random Seed... Starting [0;1;39mLoad/Save Random Seed[0m... [ 14.348815] systemd[1]: Starting Apply Kernel Variables... Starting [0;1;39mApply Kernel Variables[0m... [ 14.377840] systemd[1]: Starting Create System Users... Starting [0;1;39mCreate System Users[0m... [ 14.411392] systemd[1]: Mounted FUSE Control File System. [[0;32m OK [0m] Mounted [0;1;39mFUSE Control File System[0m. [ 14.428480] systemd[1]: Mounted Kernel Configuration File System. [[0;32m OK [0m] Mounted [0;1;39mKernel Configuration File System[0m. [ 14.460434] systemd[1]: Finished Load/Save Random Seed. [[0;32m OK [0m] Finished [0;1;39mLoad/Save Random Seed[0m. [ 14.478028] systemd[1]: Condition check resulted in First Boot Complete being skipped. [ 14.491668] systemd[1]: Finished Apply Kernel Variables. [[0;32m OK [0m] Finished [0;1;39mApply Kernel Variables[0m. [ 14.620964] systemd[1]: Finished Create System Users. [[0;32m OK [0m] Finished [0;1;39mCreate System Users[0m. [ 14.644173] systemd[1]: Starting Create Static Device Nodes in /dev... Starting [0;1;39mCreate Static Device Nodes in /dev[0m... [ 14.798876] systemd[1]: Finished Create Static Device Nodes in /dev. [[0;32m OK [0m] Finished [0;1;39mCreate Static Device Nodes in /dev[0m. [ 14.817390] systemd[1]: Reached target Local File Systems (Pre). [[0;32m OK [0m] Reached target [0;1;39mLocal File Systems (Pre)[0m. [ 14.834315] systemd[1]: Reached target Local File Systems. [[0;32m OK [0m] Reached target [0;1;39mLocal File Systems[0m. [ 14.850646] systemd[1]: Condition check resulted in Store a System Token in an EFI Variable being skipped. [ 14.862451] systemd[1]: Condition check resulted in Commit a transient machine-id on disk being skipped. [ 14.889709] systemd[1]: Starting Rule-based Manager for Device Events and Files... Starting [0;1;39mRule-based Manage…for Device Events and Files[0m... [ 14.910501] systemd[1]: Started Journal Service. [[0;32m OK [0m] Started [0;1;39mJournal Service[0m. Starting [0;1;39mFlush Journal to Persistent Storage[0m... [ 15.033792] systemd-journald[199]: Received client request to flush runtime journal. [[0;32m OK [0m] Finished [0;1;39mColdplug All udev Devices[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] Finished [0;1;39mFlush Journal to Persistent Storage[0m. Starting [0;1;39mCreate Volatile Files and Directories[0m... [[0;32m OK [0m] Found device [0;1;39mCeleron N3350…3900 Series HSUART Controller[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] Finished [0;1;39mLoad/Save Screen … of backlight:intel_backlight[0m. [[0;32m OK [0m] Listening on [0;1;39mLoad/Save RF …itch Status /dev/rfkill Watch[0m. [[0;32m OK [0m] Started [0;1;39mNetwork Service[0m. [[0;32m OK [0m] Finished [0;1;39mCreate Volatile Files and Directories[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 5.10.138-cip15 #1 SMP Wed Aug 31 11:35:50 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/7147601/extract-nfsrootfs-quclheno' export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/7147601/extract-nfsrootfs-quclheno' / # 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-7147601/environment . /lava-7147601/environment / # /lava-7147601/bin/lava-test-runner /lava-7147601/0 /lava-7147601/bin/lava-test-runner /lava-7147601/0 + export TESTRUN_ID=0_timesync-off + TESTRUN_ID=0_timesync-off + cd /lava-7147601/0/tests/0_timesync-off ++ cat uuid + UUID=7147601_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-7147601/0/tests/1_kselftest-lkdtm ++ cat uuid + UUID=7147601_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/v5.10.138-cip15/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-7147601/0/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. --2022-08-31 11:47:31-- http://storage.kernelci.org/cip/linux-5.10.y-cip/v5.10.138-cip15/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: 3527676 (3.4M) [application/octet-stream] Saving to: 'kselftest.tar.xz' kselftest.tar.xz 0%[ ] 0 --.-KB/s kselftest.tar.xz 1%[ ] 50.15K 171KB/s kselftest.tar.xz 6%[> ] 219.84K 378KB/s kselftest.tar.xz 26%[====> ] 898.59K 1.01MB/s kselftest.tar.xz 40%[=======> ] 1.36M 1.26MB/s kselftest.tar.xz 91%[=================> ] 3.08M 2.12MB/s kselftest.tar.xz 100%[===================>] 3.36M 2.10MB/s in 1.6s 2022-08-31 11:47:33 (2.10 MB/s) - 'kselftest.tar.xz' saved [3527676/3527676] 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 ======================================== [ 63.914135] kselftest: Running tests in lkdtm TAP version 13 1..70 # selftests: lkdtm: PANIC.sh # Skipping PANIC: crashes entire system ok 1 selftests: lkdtm: PANIC.sh # SKIP # selftests: lkdtm: BUG.sh [ 64.562479] lkdtm: Performing direct entry BUG [ 64.567842] ------------[ cut here ]------------ [ 64.573653] kernel BUG at drivers/misc/lkdtm/bugs.c:76! [ 64.579599] invalid opcode: 0000 [#1] SMP PTI [ 64.584478] CPU: 1 PID: 724 Comm: cat Tainted: G W 5.10.138-cip15 #1 [ 64.593036] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 64.599666] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 64.604052] Code: 89 ff e8 6e bb a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 50 f2 73 02 [ 64.625041] RSP: 0018:ffffb6eb81347e60 EFLAGS: 00010286 [ 64.630885] RAX: ffffffff94ede2c0 RBX: 0000000000000001 RCX: 0000000000000000 [ 64.638860] RDX: 0000000000000000 RSI: ffff99247bc9bf70 RDI: ffffffff95ad9c50 [ 64.646836] RBP: ffffffff95f23dd8 R08: 0000000000000001 R09: 0000000000000001 [ 64.654810] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 64.662786] R13: ffffb6eb81347f10 R14: ffffb6eb81347f10 R15: ffff992403ec2000 [ 64.670762] FS: 00007f3a6a0a6580(0000) GS:ffff99247bc80000(0000) knlGS:0000000000000000 [ 64.679807] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 64.686229] CR2: 00007f3a69ebf000 CR3: 0000000105bec000 CR4: 00000000003506e0 [ 64.694203] Call Trace: [ 64.696942] direct_entry.cold+0x2c/0x38 [ 64.701337] full_proxy_write+0x56/0x80 [ 64.705631] vfs_write+0xea/0x3a0 [ 64.709337] ksys_write+0x68/0xf0 [ 64.713039] do_syscall_64+0x33/0x40 [ 64.717038] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 64.722687] RIP: 0033:0x7f3a69fcef33 [ 64.726683] 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 [ 64.747664] RSP: 002b:00007ffd97b52a18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 64.756128] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f3a69fcef33 [ 64.764104] RDX: 0000000000000004 RSI: 00007f3a69ebf000 RDI: 0000000000000001 [ 64.772084] RBP: 00007f3a69ebf000 R08: 00007f3a69ebe010 R09: 0000000000000000 [ 64.780062] R10: 00007f3a6a0c91c0 R11: 0000000000000246 R12: 0000000000000001 [ 64.788038] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 64.796023] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 64.812042] ---[ end trace b14a4b6e27830270 ]--- [ 64.817230] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 64.821639] Code: 89 ff e8 6e bb a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 50 f2 73 02 [ 64.842652] RSP: 0018:ffffb6eb81347e60 EFLAGS: 00010286 [ 64.848518] RAX: ffffffff94ede2c0 RBX: 0000000000000001 RCX: 0000000000000000 [ 64.856515] RDX: 0000000000000000 RSI: ffff99247bc9bf70 RDI: ffffffff95ad9c50 [ 64.864509] RBP: ffffffff95f23dd8 R08: 0000000000000001 R09: 0000000000000001 [ 64.872498] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 64.880504] R13: ffffb6eb81347f10 R14: ffffb6eb81347f10 R15: ffff992403ec2000 [ 64.888501] FS: 00007f3a6a0a6580(0000) GS:ffff99247bc80000(0000) knlGS:0000000000000000 [ 64.897564] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 64.904004] CR2: 00007f3a69ebf000 CR3: 0000000105bec000 CR4: 00000000003506e0 # Segmentation fault # [ 64.562479] lkdtm: Performing direct entry BUG # [ 64.567842] ------------[ cut here ]------------ # [ 64.573653] kernel BUG at drivers/misc/lkdtm/bugs.c:76! # [ 64.579599] invalid opcode: 0000 [#1] SMP PTI # [ 64.584478] CPU: 1 PID: 724 Comm: cat Tainted: G W 5.10.138-cip15 #1 # [ 64.593036] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 64.599666] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 64.604052] Code: 89 ff e8 6e bb a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 50 f2 73 02 # [ 64.625041] RSP: 0018:ffffb6eb81347e60 EFLAGS: 00010286 # [ 64.630885] RAX: ffffffff94ede2c0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 64.638860] RDX: 0000000000000000 RSI: ffff99247bc9bf70 RDI: ffffffff95ad9c50 # [ 64.646836] RBP: ffffffff95f23dd8 R08: 0000000000000001 R09: 0000000000000001 # [ 64.654810] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 64.662786] R13: ffffb6eb81347f10 R14: ffffb6eb81347f10 R15: ffff992403ec2000 # [ 64.670762] FS: 00007f3a6a0a6580(0000) GS:ffff99247bc80000(0000) knlGS:0000000000000000 # [ 64.679807] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 64.686229] CR2: 00007f3a69ebf000 CR3: 0000000105bec000 CR4: 00000000003506e0 # [ 64.694203] Call Trace: # [ 64.696942] direct_entry.cold+0x2c/0x38 # [ 64.701337] full_proxy_write+0x56/0x80 # [ 64.705631] vfs_write+0xea/0x3a0 # [ 64.709337] ksys_write+0x68/0xf0 # [ 64.713039] do_syscall_64+0x33/0x40 # [ 64.717038] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 64.722687] RIP: 0033:0x7f3a69fcef33 # [ 64.726683] 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 # [ 64.747664] RSP: 002b:00007ffd97b52a18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 64.756128] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f3a69fcef33 # [ 64.764104] RDX: 0000000000000004 RSI: 00007f3a69ebf000 RDI: 0000000000000001 # [ 64.772084] RBP: 00007f3a69ebf000 R08: 00007f3a69ebe010 R09: 0000000000000000 # [ 64.780062] R10: 00007f3a6a0c91c0 R11:[ 65.171080] lkdtm: Performing direct entry WARNING 0000000000000246 R12: 0000000000000001 # [ 64.788038] R13: 0[ 65.181240] ------------[ cut here ]------------ [ 65.192639] WARNING: CPU: 2 PID: 760 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x13/0x20 000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [[ 65.202100] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 65.224271] CPU: 2 PID: 760 Comm: cat Tainted: G D W 5.10.138-cip15 #1 [ 65.232865] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 65.239514] RIP: 0010:lkdtm_WARNING+0x13/0x20 [ 65.244410] Code: c0 f4 ff ff ff eb c9 0f 1f 44 00 00 0f 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 50 f2 73 02 01 75 05 c3 cc cc cc cc <0f> 0b c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 31 f2 [ 65.265429] RSP: 0018:ffffb6eb813b7e60 EFLAGS: 00010202 [ 65.271297] RAX: ffffffff94ede2d0 RBX: 0000000000000002 RCX: 0000000000000000 [ 65.279304] RDX: 0000000000000000 RSI: ffff99247bd1bf70 RDI: ffffffff95ad9c60 [ 65.287298] RBP: ffffffff95ec88a7 R08: 0000000000000000 R09: 0000000000000000 [ 65.295305] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000008 [ 65.303306] R13: ffffb6eb813b7f10 R14: ffffb6eb813b7f10 R15: ffff992405aad000 [ 65.311306] FS: 00007f8aa5066580(0000) GS:ffff99247bd00000(0000) knlGS:0000000000000000 [ 65.320370] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 65.326814] CR2: 00007f8aa4e7f000 CR3: 0000000105a96000 CR4: 00000000003506e0 [ 65.334808] Call Trace: [ 65.337573] direct_entry.cold+0x2c/0x38 64.796023] Modules linked in: fuse ip_tables cros_ec_sysfs cr[ 65.341994] full_proxy_write+0x56/0x80 [ 65.352517] vfs_write+0xea/0x3a0 [ 65.356248] ksys_write+0x68/0xf0 os_ec_lightbar cros_ec_debugfs cros_ec_chardev x86_pkg_temp_ther[ 65.359990] do_syscall_64+0x33/0x40 [ 65.370220] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 65.375899] RIP: 0033:0x7f8aa4f8ef33 [ 65.379929] 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 [ 65.400952] RSP: 002b:00007fff19faa558 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 65.409446] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007f8aa4f8ef33 [ 65.417452] RDX: 0000000000000008 RSI: 00007f8aa4e7f000 RDI: 0000000000000001 [ 65.425463] RBP: 00007f8aa4e7f000 R08: 00007f8aa4e7e010 R09: 0000000000000000 [ 65.433467] R10: 00007f8aa50891c0 R11: 0000000000000246 R12: 0000000000000001 [ 65.441464] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 65.449474] irq event stamp: 0 [ 65.452909] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 65.459945] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 mal cros_ec_dev cros_usbpd_notify # [ 64.812042] ---[ end tra[ 65.469108] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 65.484474] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 65.491512] ---[ end trace b14a4b6e27830271 ]--- ce b14a4b6e27830270 ]--- # [ 64.817230] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 64.821639] Code: 89 ff e8 6e bb a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 50 f2 73 02 # [ 64.842652] RSP: 0018:ffffb6eb81347e60 EFLAGS: 00010286 # [ 64.848518] RAX: ffffffff94ede2c0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 64.856515] RDX: 0000000000000000 RSI: ffff99247bc9bf70 RDI: ffffffff95ad9c50 # [ 64.864509] RBP: ffffffff95f23dd8 R08: 0000000000000001 R09: 0000000000000001 # [ 64.872498] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 64.880504] R13: ffffb6eb81347f10 R14: ffffb6eb81347f10 R15: ffff992403ec2000 # [ 64.888501] FS: 00007f3a6a0a6580(0000) GS:ffff99247bc80000(0000) knlGS:0000000000000000 # [ 64.897564] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 64.904004] CR2: 00007f3a69ebf000 CR3: 0000000105bec000 CR4: 00000000003506e0 # BUG: saw 'kernel BUG at': ok ok 2 selftests: lkdtm: BUG.sh # selftests: lkdtm: WARNING.sh # [ 65.171080] lkdtm: Performing direct entry WARNING # [ 65.181240] ------------[ cut here ]------------ # [ 65.192639] WARNING: CPU: 2 PID: 760 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x13/0x20 # [ 65.202100] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 65.224271] CPU: 2 PID: 760 Comm: cat Tainted: G D W 5.10.138-cip15 #1 # [ 65.232865] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 65.239514] RIP: 0010:lkdtm_WARNING+0x13/0x20 # [ 65.244410] Code: c0 f4 ff ff ff eb c9 0f 1f 44 00 00 0f 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 50 f2 73 02 01 75 05 c3 cc cc cc cc <0f> 0b c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 31 f2 # [ 65.265429] RSP: 0018:ffffb6eb813b7e60 EFLAGS: 00010202 # [ 65.271297] RAX: ffffffff94ede2d0 RBX: 0000000000000002 RCX: 0000000000000000 # [ 65.279304] RDX: 0000000000000000 RSI: ffff99247bd1bf70 RDI: ffffffff95ad9c60 # [ 65.287298] RBP: ffffffff95ec88a7 R08: 0000000000000000 R09: 0000000000000000 # [ 65.295305] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000008 # [ 65.303306] R13: ffffb6eb813b7f10 R14: ffffb6eb813b7f10 R15: ffff992405aad000 # [ 65.311306] FS: 00007f8aa5066580(0000) GS:ffff99247bd00000(0000) knlGS:0000000000000000 # [ 65.320370] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 65.326814] CR2: 00007f8aa4e7f000 CR3: 0000000105a96[ 65.748218] lkdtm: Performing direct entry WARNING_MESSAGE [ 65.757834] ------------[ cut here ]------------ [ 65.763023] Warning message trigger count: 2 000 CR4: 00000000003506e0 # [ 65.334808] Call Trace: # [ 6[ 65.767877] WARNING: CPU: 1 PID: 795 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30 [ 65.784247] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 65.800254] CPU: 1 PID: 795 Comm: cat Tainted: G D W 5.10.138-cip15 #1 [ 65.808844] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 65.815493] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30 [ 65.821171] Code: cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 31 f2 73 02 48 c7 c7 08 8e ec 95 8d 70 01 89 35 21 f2 73 02 e8 fb 14 66 00 <0f> 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 c7 [ 65.842191] RSP: 0018:ffffb6eb81417e60 EFLAGS: 00010286 [ 65.848059] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 [ 65.856061] RDX: ffff99247bcac660 RSI: ffff99247bc9bf70 RDI: ffff99247bc9bf70 [ 65.864063] RBP: ffffffff95ec88af R08: 0000000000000000 R09: 0000000000000000 [ 65.872073] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010 [ 65.880066] R13: ffffb6eb81417f10 R14: ffffb6eb81417f10 R15: ffff99240278d000 [ 65.888071] FS: 00007f66ffc4e580(0000) GS:ffff99247bc80000(0000) knlGS:0000000000000000 [ 65.897139] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 65.903583] CR2: 00007f66ffa67000 CR3: 00000001058c2000 CR4: 00000000003506e0 [ 65.911576] Call Trace: [ 65.914341] direct_entry.cold+0x2c/0x38 [ 65.918761] full_proxy_write+0x56/0x80 [ 65.923078] vfs_write+0xea/0x3a0 [ 65.926808] ksys_write+0x68/0xf0 [ 65.930544] do_syscall_64+0x33/0x40 [ 65.934568] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 65.940247] RIP: 0033:0x7f66ffb76f33 [ 65.944270] 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 [ 65.965296] RSP: 002b:00007ffcb99a7288 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 65.973787] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007f66ffb76f33 [ 65.981795] RDX: 0000000000000010 RSI: 00007f66ffa67000 RDI: 0000000000000001 [ 65.989797] RBP: 00007f66ffa67000 R08: 00007f66ffa66010 R09: 0000000000000000 [ 65.997799] R10: 00007f66ffc711c0 R11: 0000000000000246 R12: 0000000000000001 [ 66.005808] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 66.013823] irq event stamp: 0 [ 66.017262] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 66.024296] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 5.337573] direct_entry.cold+0x2c/0x38 # [ 65.341994] full_p[ 66.033463] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 roxy_write+0x56/0x80 # [ 65.352517] vfs_write+0xea/0x3a0 # [ 66.048834] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 66.062072] ---[ end trace b14a4b6e27830272 ]--- [ 65.356248] ksys_write+0x68/0xf0 # [ 65.359990] do_syscall_64+0x33/0x40 # [ 65.370220] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 65.375899] RIP: 0033:0x7f8aa4f8ef33 # [ 65.379929] 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 # [ 65.400952] RSP: 002b:00007fff19faa558 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 65.409446] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007f8aa4f8ef33 # [ 65.417452] RDX: 0000000000000008 RSI: 00007f8aa4e7f000 RDI: 0000000000000001 # [ 65.425463] RBP: 00007f8aa4e7f000 R08: 00007f8aa4e7e010 R09: 0000000000000000 # [ 65.433467] R10: 00007f8aa50891c0 R11: 0000000000000246 R12: 0000000000000001 # [ 65.441464] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 65.449474] irq event stamp: 0 # [ 65.452909] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 65.459945] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 65.469108] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 65.484474] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 65.491512] ---[ end trace b14a4b6e27830271 ]--- # WARNING: saw 'WARNING:': ok ok 3 selftests: lkdtm: WARNING.sh # selftests: lkdtm: WARNING_MESSAGE.sh # [ 65.748218] lkdtm: Performing direct entry WARNING_MESSAGE # [ 65.757834] ------------[ cut here ]------------ # [ 65.763023] Warning message trigger count: 2 # [ 65.767877] WARNING: CPU: 1 PID: 795 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 65.784247] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 65.800254] CPU: 1 PID: 795 Comm: cat Tainted: G D W 5.10.138-cip15 #1 # [ 65.808844] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 65.815493] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 65.821171] Code: cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 31 f2 73 02 48 c7 c7 08 8e ec 95 8d 70 01 89 35 21 f2 73 02 e8 fb 14 66 00 <0f> 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 c7 # [ 65.842191] RSP: 0018:ffffb6eb81417e60 EFLAGS: 00010286 # [ 65.848059] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 # [ 65.856061] RD[ 66.307063] lkdtm: Performing direct entry EXCEPTION [ 66.315436] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 66.323223] #PF: supervisor write access in kernel mode [ 66.329062] #PF: error_code(0x0002) - not-present page [ 66.334805] PGD 0 P4D 0 [ 66.337644] Oops: 0002 [#2] SMP PTI [ 66.341547] CPU: 1 PID: 827 Comm: cat Tainted: G D W 5.10.138-cip15 #1 [ 66.350099] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 66.356722] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20 [ 66.361691] Code: 48 c7 c7 08 8e ec 95 8d 70 01 89 35 21 f2 73 02 e8 fb 14 66 00 0f 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 04 25 00 00 00 00 00 00 00 00 c3 cc cc cc cc 66 66 2e 0f 1f 84 [ 66.382683] RSP: 0018:ffffb6eb81497e60 EFLAGS: 00010282 [ 66.388528] RAX: ffffffff94ede320 RBX: 0000000000000004 RCX: 0000000000000000 [ 66.396508] RDX: 0000000000000000 RSI: ffff99247bc9bf70 RDI: ffffffff95ad9c80 [ 66.404486] RBP: ffffffff95dfdee7 R08: 0000000000000000 R09: 0000000000000000 [ 66.412463] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a [ 66.420439] R13: ffffb6eb81497f10 R14: ffffb6eb81497f10 R15: ffff9924058a9000 [ 66.428417] FS: 00007f6b9a4d1580(0000) GS:ffff99247bc80000(0000) knlGS:0000000000000000 [ 66.437464] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 66.443885] CR2: 0000000000000000 CR3: 0000000103bb0000 CR4: 00000000003506e0 [ 66.451857] Call Trace: [ 66.454599] direct_entry.cold+0x2c/0x38 [ 66.458994] full_proxy_write+0x56/0x80 [ 66.463290] vfs_write+0xea/0x3a0 [ 66.466998] ksys_write+0x68/0xf0 [ 66.470714] do_syscall_64+0x33/0x40 [ 66.474714] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 66.480365] RIP: 0033:0x7f6b9a3f9f33 [ 66.484360] 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 [ 66.505350] RSP: 002b:00007ffd7ff3e5f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 66.513814] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f6b9a3f9f33 [ 66.521786] RDX: 000000000000000a RSI: 00007f6b9a2ea000 RDI: 0000000000000001 [ 66.529765] RBP: 00007f6b9a2ea000 R08: 00007f6b9a2e9010 R09: 0000000000000000 [ 66.537742] R10: 00007f6b9a4f41c0 R11: 0000000000000246 R12: 0000000000000001 [ 66.545720] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 66.553711] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 66.569687] CR2: 0000000000000000 [ 66.573393] ---[ end trace b14a4b6e27830273 ]--- [ 66.578558] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 66.582946] Code: 89 ff e8 6e bb a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 50 f2 73 02 [ 66.603930] RSP: 0018:ffffb6eb81347e60 EFLAGS: 00010286 [ 66.609769] RAX: ffffffff94ede2c0 RBX: 0000000000000001 RCX: 0000000000000000 [ 66.617744] RDX: 0000000000000000 RSI: ffff99247bc9bf70 RDI: ffffffff95ad9c50 [ 66.625720] RBP: ffffffff95f23dd8 R08: 0000000000000001 R09: 0000000000000001 [ 66.633696] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 66.641669] R13: ffffb6eb81347f10 R14: ffffb6eb81347f10 R15: ffff992403ec2000 [ 66.649646] FS: 00007f6b9a4d1580(0000) GS:ffff99247bc80000(0000) knlGS:0000000000000000 [ 66.658692] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 66.665112] CR2: 0000000000000000 CR3: 0000000103bb0000 CR4: 00000000003506e0 [ 66.673089] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 66.683007] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 827, name: cat [ 66.691367] INFO: lockdep is turned off. [ 66.695750] irq event stamp: 0 [ 66.699162] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 66.706168] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 66.715311] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 66.724451] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 66.731458] CPU: 1 PID: 827 Comm: cat Tainted: G D W 5.10.138-cip15 #1 [ 66.740014] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 66.746628] Call Trace: [ 66.749368] dump_stack+0x77/0x9b [ 66.753077] ___might_sleep.cold+0xa6/0xb6 [ 66.757658] exit_signals+0x1c/0x2e0 [ 66.761647] do_exit+0xd5/0xb00 [ 66.765161] ? ksys_write+0x68/0xf0 [ 66.769065] rewind_stack_do_exit+0x17/0x20 [ 66.773739] RIP: 0033:0x7f6b9a3f9f33 [ 66.777735] 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 [ 66.798726] RSP: 002b:00007ffd7ff3e5f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 66.807194] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f6b9a3f9f33 [ 66.815173] RDX: 000000000000000a RSI: 00007f6b9a2ea000 RDI: 0000000000000001 [ 66.823149] RBP: 00007f6b9a2ea000 R08: 00007f6b9a2e9010 R09: 0000000000000000 [ 66.831126] R10: 00007f6b9a4f41c0 R11: 0000000000000246 R12: 0000000000000001 [ 66.839101] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 X: ffff99247bcac660 RSI: ffff99247bc9bf70 RDI: ffff99247bc9bf70 # [ 65.864063] RBP: ffffffff95ec88af R08: 0000000000000000 R09: 0000000000000000 # [ 65.872073] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010 # [ 65.880066] R13: ffffb6eb81417f10 R14: ffffb6eb81417f10 R15: ffff99240278d000 # [ 65.888071] FS: 00007f66ffc4e580(0000) GS:ffff99247bc80000(0000) knlGS:0000000000000000 # [ 65.897139] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 65.903583] CR2: 00007f66ffa67000 CR3: 00000001058c2000 CR4: 00000000003506e0 # [ 65.911576] Call Trace: # [ 65.914341] direct_entry.cold+0x2c/0x38 # [ 65.918761] full_proxy_write+0x56/0x80 # [ 65.923078] vfs_write+0xea/0x3a0 # [ 65.926808] ksys_write+0x68/0xf0 # [ 65.930544] do_syscall_64+0x33/0x40 # [ 65.934568] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 65.940247] RIP: 0033:0x7f66ffb76f33 # [ 65.944270] 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 # [ 65.965296] RSP: 002b:00007ffcb99a7288 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 65.973787] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007f66ffb76f33 # [ 65.981795] RDX: 0000000000000010 RSI: 00007f66ffa67000 RDI: 0000000000000001 # [ 65.989797] RBP: 00007f66ffa67000 R08: 00007f66ffa66010 R09: 0000000000000000 # [ 65.997799] R10: 00007f66ffc711c0 R11: 0000000000000246 R12: 0000000000000001 # [ 66.005808] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 66.013823] irq event stamp: 0 # [ 66.017262] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 66.024296] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 66.033463] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 66.048834] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 66.062072] ---[ end trace b14a4b6e27830272 ]--- # WARNING_MESSAGE: saw 'message trigger': ok ok 4 selftests: lkdtm: WARNING_MESSAGE.sh # selftests: lkdtm: EXCEPTION.sh # Killed # [ 66.307063] lkdtm: Performing direct entry EXCEPTION # [ 66.315436] BUG: kernel NULL pointer dereference, address: 0000000000000000 # [ 66.323223] #PF: supervisor write access in kernel mode # [ 66.329062] #PF: error_code(0x0002) - not-present page # [ 66.334805] PGD 0 P4D 0 # [ 66.337644] Oops: 0002 [#2] SMP PTI # [ 66.341547] CPU: 1 PID: 827 Comm: cat Tainted: G D W 5.10.138-cip15 #1 # [ 66.350099] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 66.356722] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20 # [ 66.361691] Code: 48 c7 c7 08 8e ec 95 8d 70 01 89 35 21 f2 73 02 e8 fb 14 66 00 0f 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 04 25 00 00 00 00 00 00 00 00 c3 cc cc cc cc 66 66 2e 0f 1f 84 # [ 66.382683] RSP: 0018:ffffb6eb81497e60 EFLAGS: 00010282 # [ 66.388528] RAX: ffffffff94ede320 RBX: 0000000000000004 RCX: 0000000000000000 # [ 66.396508] RDX: 0000000000000000 RSI: ffff99247bc9bf70 RDI: ffffffff95ad9c80 # [ 66.404486] RBP: ffffffff95dfdee7 R08: 0000000000000000 R09: 0000000000000000 # [ 66.412463] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 66.420439] R13: ffffb6eb81497f10 R14: ffffb6eb81497f10 R15: ffff9924058a9000 # [ 66.428417] FS: 00007f6b9a4d1580(0000) GS:ffff99247bc80000(0000) knlGS:0000000000000000 # [ 66.437464] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 66.443885] CR2: 0000000000000000 CR3: 0000000103bb0000 CR4: 00000000003506e0 # [ 66.451857] Call Trace: # [ 66.454599] direct_entry.cold+0x2c/0x38 # [ 66.458994] full_proxy_write+0x56/0x80 # [ 66.463290] vfs_write+0xea/0x3a0 # [ 66.466998] ksys_write+0x68/0xf0 # [ 66.470714] do_syscall_64+0x33/0x40 # [ 66.474714] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 66.480365] RIP: 0033:0x7f6b9a3f9f33 # [ 66.484360] 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 # [ 66.505350] RSP: 002b:00007ffd7ff3e5f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 66.513814] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f6b9a3f9f33 # [ 66.521786] RDX: 000000000000000a RSI: 00007f6b9a2ea000 RDI: 0000000000000001 # [ 66.529765] RBP: 00007f6b9a2ea000 R08: 00007f6b9a2e9010 R09: 0000000000000000 # [ 66.537742] R10: 00007f6b9a4f41c0 R11: 0000000000000246 R12: 0000000000000001 # [ 66.545720] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 66.553711] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 66.569687] CR2: 0000000000000000 # [ 66.573393] ---[ end trace b14a4b6e27830273 ]--- # [ 66.578558] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 66.582946] Code: 89 ff e8 6e bb a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 50 f2 73 02 # [ 66.603930] RSP: 0018:ffffb6eb81347e60 EFLAGS: 00010286 # [ 66.609769] RAX: ffffffff94ede2c0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 66.617744] RDX: 0000000000000000 RSI: ffff99247bc9bf70 RDI: ffffffff95ad9c50 # [ 66.625720] RBP: ffffffff95f23dd8 R08: 0000000000000001 R09: 0000000000000001 # [ 66.633696] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 66.641669] R13: ffffb6eb81347f10 R14: ffffb6eb81347f10 R15: ffff992403ec2000 # [ 66.649646] FS: 00007f6b9a4d1580(0000) GS:ffff99247bc80000(0000) knlGS:0000000000000000 # [ 66.658692] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 66.665112] CR2: 0000000000000000 CR3: 0000000103bb0000 CR4: 00000000003506e0 # [ 66.673089] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 66.683007] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 827, name: cat # [ 66.691367] INFO: lockdep is turned off. # [ 66.695750] irq event stamp: 0 # [ 66.699162] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 66.706168] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 66.715311] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 66.724451] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 66.731458] CPU: 1 PID: 827 Comm: cat Tainted: G D W 5.10.138-cip15 #1 # [ 66.740014] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 66.746628] Call Trace: # [ 66.749368] dump_stack+0x77/0x9b # [ 66.753077] ___might_sleep.cold+0xa6/0xb6 # [ 66.757658] exit_signals+0x1c/0x2e0 # [ 66.761647] do_exit+0xd5/0xb00 # [ 66.765161] ? ksys_write+0x68/0xf0 # [ 66.769065] rewind_stack_do_exit+0x17/0x20 # [ 66.773739] RIP: 0033:0x7f6b9a3f9f33 # [ 66.777735] 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 # [ 66.798726] RSP: 002b:00007ffd7ff3e5f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 66.807194] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f6b9a3f9f33 # [ 66.815173] RDX: 000000000000000a RSI: 00007f6b9a2ea000 RDI: 0000000000000001 # [ 66.823149] RBP: 00007f6b9a2ea000 R08: 00007f6b9a2e9010 R09: 0000000000000000 # [ 66.831126] R10: 00007f6b9a4f41c0 R11: 0000000000000246 R12: 0000000000000001 # [ 66.839101] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # EXCEPTION: saw 'call trace:': ok ok 5 selftests: lkdtm: EXCEPTION.sh # selftests: lkdtm: LOOP.sh # Skipping LOOP: Hangs the system ok 6 selftests: lkdtm: LOOP.sh # SKIP # selftests: lkdtm: EXHAUST_STACK.sh # Skipping EXHAUST_STACK: Corrupts memory on failure ok 7 selftests: lkdtm: EXHAUST_STACK.sh # SKIP # selftests: lkdtm: CORRUPT_STACK.sh # Skipping CORRUPT_STACK: Crashes entire system on success ok 8 selftests: lkdtm: CORRUPT_STACK.sh # SKIP # selftests: lkdtm: CORRUPT_STACK_STRONG.sh # Skipping CORRUPT_STACK_STRONG: Crashes entire system on success ok 9 selftests: lkdtm: CORRUPT_STACK_STRONG.sh # SKIP # selftests: lkdtm: CORRUPT_LIST_ADD.sh [ 67.692098] lkdtm: Performing direct entry CORRUPT_LIST_ADD [ 67.698373] lkdtm: attempting good list addition [ 67.703565] lkdtm: attempting corrupted list addition [ 67.709259] lkdtm: list_add() corruption not detected! # [ 67.692098] lkdtm: Performing direct entry CORRUPT_LIST_ADD # [ 67.698373] lkdtm: attempting good list addition # [ 67.703565] lkdtm: attempting corrupted list addition # [ 67.709259] 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 [ 67.964203] lkdtm: Performing direct entry CORRUPT_LIST_DEL [ 67.970487] lkdtm: attempting good list removal [ 67.975582] lkdtm: attempting corrupted list removal [ 67.981164] lkdtm: list_del() corruption not detected! # [ 67.964203] lkdtm: Performing direct entry CORRUPT_LIST_DEL # [ 67.970487] lkdtm: attempting good list removal # [ 67.975582] lkdtm: attempting corrupted list removal # [ 67.981164] lkdtm: list_del() corruption not detected! # CORRUPT_LIST_DEL: missing 'list_del corruption': [FAIL] not ok 11 selftests: lkdtm: CORRUPT_LIST_DEL.sh # exit=1 # selftests: lkdtm: STACK_GUARD_PAGE_LEADING.sh [ 68.227363] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING [ 68.234411] lkdtm: attempting bad read from page below current stack [ 68.241553] BUG: stack guard page was hit at 000000005fbd8ef4 (stack is 00000000277a75e1..00000000cc771bb8) [ 68.252453] kernel stack overflow (page fault): 0000 [#3] SMP PTI [ 68.259271] CPU: 3 PID: 1052 Comm: cat Tainted: G D W 5.10.138-cip15 #1 [ 68.267926] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 68.274550] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a [ 68.281075] Code: cc cc cc 0f 1f 44 00 00 53 48 c7 c7 a8 91 ec 95 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 ce a0 fd ff 48 c7 c7 e8 91 ec 95 <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 b4 a0 fd ff 0f 1f 44 [ 68.302067] RSP: 0018:ffffb6eb817b7e50 EFLAGS: 00010246 [ 68.307909] RAX: 0000000000000038 RBX: ffffb6eb817b4000 RCX: 0000000000000000 [ 68.315884] RDX: 0000000000000000 RSI: ffff99247bd9bf70 RDI: ffffffff95ec91e8 [ 68.323859] RBP: ffffffff95ec8912 R08: 0000000000000000 R09: 0000000000000000 [ 68.331837] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019 [ 68.339814] R13: ffffb6eb817b7f10 R14: ffffb6eb817b7f10 R15: ffff992403be1000 [ 68.347791] FS: 00007fe2cdd15580(0000) GS:ffff99247bd80000(0000) knlGS:0000000000000000 [ 68.356828] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 68.363250] CR2: ffffb6eb817b3fff CR3: 0000000105b98000 CR4: 00000000003506e0 [ 68.371223] Call Trace: [ 68.373963] ? lkdtm_CORRUPT_LIST_DEL+0xe0/0xe0 [ 68.379030] direct_entry.cold+0x2c/0x38 [ 68.383422] full_proxy_write+0x56/0x80 [ 68.387717] vfs_write+0xea/0x3a0 [ 68.391427] ksys_write+0x68/0xf0 [ 68.395136] do_syscall_64+0x33/0x40 [ 68.399135] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 68.404786] RIP: 0033:0x7fe2cdc3df33 [ 68.408785] 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 [ 68.429773] RSP: 002b:00007ffcb569a238 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 68.438237] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007fe2cdc3df33 [ 68.446211] RDX: 0000000000000019 RSI: 00007fe2cdb2e000 RDI: 0000000000000001 [ 68.454188] RBP: 00007fe2cdb2e000 R08: 00007fe2cdb2d010 R09: 0000000000000000 [ 68.462164] R10: 00007fe2cdd381c0 R11: 0000000000000246 R12: 0000000000000001 [ 68.470140] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 68.478129] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 68.494108] ---[ end trace b14a4b6e27830274 ]--- [ 68.499272] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 68.503648] Code: 89 ff e8 6e bb a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 50 f2 73 02 [ 68.524638] RSP: 0018:ffffb6eb81347e60 EFLAGS: 00010286 [ 68.530479] RAX: ffffffff94ede2c0 RBX: 0000000000000001 RCX: 0000000000000000 [ 68.538453] RDX: 0000000000000000 RSI: ffff99247bc9bf70 RDI: ffffffff95ad9c50 [ 68.546427] RBP: ffffffff95f23dd8 R08: 0000000000000001 R09: 0000000000000001 [ 68.554401] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 68.562375] R13: ffffb6eb81347f10 R14: ffffb6eb81347f10 R15: ffff992403ec2000 [ 68.570350] FS: 00007fe2cdd15580(0000) GS:ffff99247bd80000(0000) knlGS:0000000000000000 [ 68.579394] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 68.585814] CR2: ffffb6eb817b3fff CR3: 0000000105b98000 CR4: 00000000003506e0 [ 68.593793] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 68.603710] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1052, name: cat [ 68.612169] INFO: lockdep is turned off. [ 68.616550] irq event stamp: 0 [ 68.619961] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 68.626970] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 68.636112] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 68.645252] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 68.652257] CPU: 3 PID: 1052 Comm: cat Tainted: G D W 5.10.138-cip15 #1 [ 68.660910] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 68.667525] Call Trace: [ 68.670262] dump_stack+0x77/0x9b [ 68.673969] ___might_sleep.cold+0xa6/0xb6 [ 68.678551] exit_signals+0x1c/0x2e0 [ 68.682550] do_exit+0xd5/0xb00 [ 68.686061] ? ksys_write+0x68/0xf0 [ 68.689966] rewind_stack_do_exit+0x17/0x20 [ 68.694640] RIP: 0033:0x7fe2cdc3df33 [ 68.698635] 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 [ 68.719624] RSP: 002b:00007ffcb569a238 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 68.728081] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007fe2cdc3df33 [ 68.736059] RDX: 0000000000000019 RSI: 00007fe2cdb2e000 RDI: 0000000000000001 [ 68.744033] RBP: 00007fe2cdb2e000 R08: 00007fe2cdb2d010 R09: 0000000000000000 [ 68.752009] R10: 00007fe2cdd381c0 R11: 0000000000000246 R12: 0000000000000001 [ 68.759983] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # Segmentation fault # [ 68.227363] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING # [ 68.234411] lkdtm: attempting bad read from page below current stack # [ 68.241553] BUG: stack guard page was hit at 000000005fbd8ef4 (stack is 00000000277a75e1..00000000cc771bb8) # [ 68.252453] kernel stack overflow (page fault): 0000 [#3] SMP PTI # [ 68.259271] CPU: 3 PID: 1052 Comm: cat Tainted: G D W 5.10.138-cip15 #1 # [ 68.267926] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 68.274550] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a # [ 68.281075] Code: cc cc cc 0f 1f 44 00 00 53 48 c7 c7 a8 91 ec 95 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 ce a0 fd ff 48 c7 c7 e8 91 ec 95 <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 b4 a0 fd ff 0f 1f 44 # [ 68.302067] RSP: 0018:ffffb6eb817b7e50 EFLAGS: 00010246 # [ 68.307909] RAX: 0000000000000038 RBX: ffffb6eb817b4000 RCX: 0000000000000000 # [ 68.315884] RDX: 0000000000000000 RSI: ffff99247bd9bf70 RDI: ffffffff95ec91e8 # [ 68.323859] RBP: ffffffff95ec8912 R08: 0000000000000000 R09: 0000000000000000 # [ 68.331837] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019 # [ 68.339814] R13: ffffb6eb817b7f10 R14: ffffb6eb817b7f10 R15: ffff992403be1000 # [ 68.347791] FS: 00007fe2cdd15580(0000) GS:ffff99247bd80000(0000) knlGS:0000000000000000 # [ 68.356828] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 68.363250] CR2: ffffb6eb817b3fff CR3: 0000000105b98000 CR4: 00000000003506e0 # [ 68.371223] Call Trace: # [ 68.373963] ? lkdtm_CORRUPT_LIST_DEL+0xe0/0xe0 # [ 68.379030] direct_entry.cold+0x2c/0x38 # [ 68.383422] full_proxy_write+0x56/0x80 # [ 68.387717] vfs_write+0xea/0x3a0 # [ 68.391427] ksys_write+0x68/0xf0 # [ 68.395136] do_syscall_64+0x33/0x40 # [ 68.399135] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 68.404786] RIP: 0033:0x7fe2cdc3df33 # [ 68.408785] 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 # [ 68.429773] RSP: 002b:00007ffcb569a238 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 68.438237] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007fe2cdc3df33 # [ 68.446211] RDX: 0000000000000019 RSI: 00007fe2cdb2e000 RDI: 0000000000000001 # [ 68.454188] RBP: 00007fe2cdb2e000 R08: 00007fe2cdb2d010 R09: 0000000000000000 # [ 68.462164] R10: 00007fe2cdd381c0 R11: 0000000000000246 R12: 0000000000000001 # [ 68.470140] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 68.478129] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 68.494108] ---[ end trace b14a4[ 69.089242] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING b6e27830274 ]--- # [ 68.499272] RIP: 0010:lkdtm_BUG+0x5/0x10[ 69.102042] lkdtm: attempting bad read from page above current stack # [ 68.503648] Code: 89 ff e8 6e bb a3 ff 48 c7 c0 ea ff ff f[ 69.115395] BUG: stack guard page was hit at 00000000d96fe4ec (stack is 000000006aa294bc..000000002f38749f) [ 69.132456] kernel stack overflow (page fault): 0000 [#4] SMP PTI [ 69.139273] CPU: 3 PID: 1085 Comm: cat Tainted: G D W 5.10.138-cip15 #1 [ 69.147927] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 69.154550] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILING+0x27/0x3d [ 69.161170] Code: a0 fd ff 0f 1f 44 00 00 53 48 c7 c7 20 92 ec 95 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 94 a0 fd ff 48 c7 c7 60 92 ec 95 <8a> 83 00 40 00 00 88 44 24 07 0f b6 74 24 07 5a 5b e9 77 a0 fd ff [ 69.182156] RSP: 0018:ffffb6eb81857e50 EFLAGS: 00010246 [ 69.187992] RAX: 0000000000000038 RBX: ffffb6eb81854000 RCX: 0000000000000000 [ 69.195967] RDX: 0000000000000000 RSI: ffff99247bd9bf70 RDI: ffffffff95ec9260 [ 69.203942] RBP: ffffffff95ec892b R08: 0000000000000000 R09: 0000000000000000 [ 69.211917] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001a [ 69.219892] R13: ffffb6eb81857f10 R14: ffffb6eb81857f10 R15: ffff992404083000 [ 69.227868] FS: 00007f72c58e1580(0000) GS:ffff99247bd80000(0000) knlGS:0000000000000000 [ 69.236909] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 69.243330] CR2: ffffb6eb81858000 CR3: 0000000104fe4000 CR4: 00000000003506e0 [ 69.251304] Call Trace: [ 69.254042] ? lkdtm_STACK_GUARD_PAGE_LEADING+0x3a/0x3a [ 69.259884] direct_entry.cold+0x2c/0x38 [ 69.264269] full_proxy_write+0x56/0x80 [ 69.268560] vfs_write+0xea/0x3a0 [ 69.272268] ksys_write+0x68/0xf0 [ 69.275979] do_syscall_64+0x33/0x40 [ 69.279975] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 69.285624] RIP: 0033:0x7f72c5809f33 [ 69.289620] 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 [ 69.310608] RSP: 002b:00007fff55bd10a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 69.319074] RAX: ffffffffffffffda RBX: 000000000000001a RCX: 00007f72c5809f33 [ 69.327054] RDX: 000000000000001a RSI: 00007f72c56fa000 RDI: 0000000000000001 [ 69.335030] RBP: 00007f72c56fa000 R08: 00007f72c56f9010 R09: 0000000000000000 [ 69.343010] R10: 00007f72c59041c0 R11: 0000000000000246 R12: 0000000000000001 [ 69.350986] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 69.358974] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 69.374952] ---[ end trace b14a4b6e27830275 ]--- [ 69.380118] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 69.384505] Code: 89 ff e8 6e bb a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 50 f2 73 02 [ 69.405499] RSP: 0018:ffffb6eb81347e60 EFLAGS: 00010286 [ 69.411344] RAX: ffffffff94ede2c0 RBX: 0000000000000001 RCX: 0000000000000000 [ 69.419320] RDX: 0000000000000000 RSI: ffff99247bc9bf70 RDI: ffffffff95ad9c50 [ 69.427299] RBP: ffffffff95f23dd8 R08: 0000000000000001 R09: 0000000000000001 [ 69.435276] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 69.443253] R13: ffffb6eb81347f10 R14: ffffb6eb81347f10 R15: ffff992403ec2000 [ 69.451231] FS: 00007f72c58e1580(0000) GS:ffff99247bd80000(0000) knlGS:0000000000000000 [ 69.460275] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 69.466697] CR2: ffffb6eb81858000 CR3: 0000000104fe4000 CR4: 00000000003506e0 f eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 50 f2 73 02 # [ 68.524638] RSP: 0018:ffffb6eb81347e60 EFLAGS: 00010286 # [ 68.530479] RAX: ffffffff94ede2c0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 68.538453] RDX: 0000000000000000 RSI: ffff99247bc9bf70 RDI: ffffffff95ad9c50 # [ 68.546427] RBP: ffffffff95f23dd8 R08: 0000000000000001 R09: 0000000000000001 # [ 68.554401] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 68.562375] R13: ffffb6eb81347f10 R14: ffffb6eb81347f10 R15: ffff992403ec2000 # [ 68.570350] FS: 00007fe2cdd15580(0000) GS:ffff99247bd80000(0000) knlGS:0000000000000000 # [ 68.579394] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 68.585814] CR2: ffffb6eb817b3fff CR3: 0000000105b98000 CR4: 00000000003506e0 # [ 68.593793] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 68.603710] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1052, name: cat # [ 68.612169] INFO: lockdep is turned off. # [ 68.616550] irq event stamp: 0 # [ 68.619961] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 68.626970] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 68.636112] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 68.645252] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 68.652257] CPU: 3 PID: 1052 Comm: cat Tainted: G D W 5.10.138-cip15 #1 # [ 68.660910] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 68.667525] Call Trace: # [ 68.670262] dump_stack+0x77/0x9b # [ 68.673969] ___might_sleep.cold+0xa6/0xb6 # [ 68.678551] exit_signals+0x1c/0x2e0 # [ 68.682550] do_exit+0xd5/0xb00 # [ 68.686061] ? ksys_write+0x68/0xf0 # [ 68.689966] rewind_stack_do_exit+0x17/0x20 # [ 68.694640] RIP: 0033:0x7fe2cdc3df33 # [ 68.698635] 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 # [ 68.719624] RSP: 002b:00007ffcb569a238 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 68.728081] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007fe2cdc3df33 # [ 68.736059] RDX: 0000000000000019 RSI: 00007fe2cdb2e000 RDI: 0000000000000001 # [ 68.744033] RBP: 00007fe2cdb2e000 R08: 00007fe2cdb2d010 R09: 0000000000000000 # [ 68.752009] R10: 00007fe2cdd381c0 R11: 0000000000000246 R12: 0000000000000001 # [ 68.759983] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # STACK_GUARD_PAGE_LEADING: saw 'call trace:': ok ok 12 selftests: lkdtm: STACK_GUARD_PAGE_LEADING.sh # selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh # Segmentation fault # [ 69.089242] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING # [ 69.102042] lkdtm: attemptin[ 69.762663] lkdtm: Performing direct entry UNSET_SMEP [ 69.772512] lkdtm: trying to clear SMEP normally g bad read from page above current stack # [ 69.115395] BUG: [ 69.777719] ------------[ cut here ]------------ [ 69.789113] pinned CR4 bits changed: 0x100000!? stack guard page was hit at 00000000d96fe4ec (stack is 000000006[ 69.794216] WARNING: CPU: 0 PID: 1121 at arch/x86/kernel/cpu/common.c:392 native_write_cr4+0x45/0x60 aa294bc..000000002f38749f) # [ 69.132456] kernel stack overfl[ 69.810655] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify ow (page fault): 0000 [#4] SMP PTI # [ 69.139273] CPU: 3 PID:[ 69.832862] CPU: 0 PID: 1121 Comm: cat Tainted: G D W 5.10.138-cip15 #1 [ 69.847750] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 69.854393] RIP: 0010:native_write_cr4+0x45/0x60 [ 69.859581] Code: 39 c2 75 2d 48 85 f6 75 05 c3 cc cc cc cc 80 3d 64 a2 c3 01 00 75 f2 48 c7 c7 28 7f e0 95 c6 05 54 a2 c3 01 01 e8 e6 b0 e7 00 <0f> 0b c3 cc cc cc cc 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09 [ 69.880593] RSP: 0018:ffffb6eb818e7e48 EFLAGS: 00010286 [ 69.886458] RAX: 0000000000000000 RBX: 00000000002506f0 RCX: 0000000000000000 [ 69.894463] RDX: ffff99247bc2c660 RSI: ffff99247bc1bf70 RDI: ffff99247bc1bf70 [ 69.902470] RBP: ffffffff95ec8945 R08: 0000000000000000 R09: 0000000000000000 [ 69.910473] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b [ 69.918480] R13: ffffb6eb818e7f10 R14: ffffb6eb818e7f10 R15: ffff992404c91000 [ 69.926483] FS: 00007f5b89479580(0000) GS:ffff99247bc00000(0000) knlGS:0000000000000000 [ 69.935551] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 69.941995] CR2: 00007f5b89292000 CR3: 0000000103fda000 CR4: 00000000003506f0 [ 69.949993] Call Trace: 1085 Comm: cat Tainted: G D W 5.10.138-cip15 #1 #[ 69.952758] lkdtm_UNSET_SMEP.cold+0x1d/0x103 [ 69.963872] direct_entry.cold+0x2c/0x38 [ 69.147927] Hardware name: Google Coral/Coral, BIOS 09/29/2[ 69.968295] full_proxy_write+0x56/0x80 020 # [ 69.154550] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILING+[ 69.978785] vfs_write+0xea/0x3a0 [ 69.988728] ksys_write+0x68/0xf0 0x27/0x3d # [ 69.161170] Code: a0 fd ff 0f 1f 44 00 00 53 48 [ 69.992465] do_syscall_64+0x33/0x40 [ 70.002662] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 70.008326] RIP: 0033:0x7f5b893a1f33 [ 70.012348] 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 c7 c7 20 92 ec 95 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 9[ 70.033367] RSP: 002b:00007ffd12acfb18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 4 a0 fd ff 48 c7 c7 60 92 ec 95 <8a> 83 00 40 00 00 88 44 24 07 [ 70.048080] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f5b893a1f33 0f b6 74 24 07 5a 5b e9 77 a0 fd ff # [ 69.182156] RSP: 0018:[ 70.062269] RDX: 000000000000000b RSI: 00007f5b89292000 RDI: 0000000000000001 [ 70.076468] RBP: 00007f5b89292000 R08: 00007f5b89291010 R09: 0000000000000000 [ 70.084469] R10: 00007f5b8949c1c0 R11: 0000000000000246 R12: 0000000000000001 [ 70.092468] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ffffb6eb81857e50 EFLAGS: 00010246 # [ 69.187992] RAX: 0000000[ 70.100487] irq event stamp: 0 000000038 RBX: ffffb6eb81854000 RCX: 0000000000000000 # [ 69.[ 70.110174] hardirqs last enabled at (0): [<0000000000000000>] 0x0 195967] RDX: 0000000000000000 RSI: ffff99247bd9bf70 RDI: fffffff[ 70.123418] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 70.138785] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 70.147952] softirqs last disabled at (0): [<0000000000000000>] 0x0 f95ec9260 # [ 69.203942] RBP: ffffffff95ec892b R08: 000000000[ 70.154979] ---[ end trace b14a4b6e27830276 ]--- [ 70.166372] lkdtm: ok: SMEP did not get cleared [ 70.171457] lkdtm: trying to clear SMEP with call gadget [ 70.177417] lkdtm: ok: SMEP removal was reverted 0000000 R09: 0000000000000000 # [ 69.211917] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001a # [ 69.219892] R13: ffffb6eb81857f10 R14: ffffb6eb81857f10 R15: ffff992404083000 # [ 69.227868] FS: 00007f72c58e1580(0000) GS:ffff99247bd80000(0000) knlGS:0000000000000000 # [ 69.236909] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 69.243330] CR2: ffffb6eb81858000 CR3: 0000000104fe4000 CR4: 00000000003506e0 # [ 69.251304] Call Trace: # [ 69.254042] ? lkdtm_STACK_GUARD_PAGE_LEADING+0x3a/0x3a # [ 69.259884] direct_entry.cold+0x2c/0x38 # [ 69.264269] full_proxy_write+0x56/0x80 # [ 69.268560] vfs_write+0xea/0x3a0 # [ 69.272268] ksys_write+0x68/0xf0 # [ 69.275979] do_syscall_64+0x33/0x40 # [ 69.279975] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 69.285624] RIP: 0033:0x7f72c5809f33 # [ 69.289620] 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 # [ 69.310608] RSP: 002b:00007fff55bd10a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 69.319074] RAX: ffffffffffffffda RBX: 000000000000001a RCX: 00007f72c5809f33 # [ 69.327054] RDX: 000000000000001a RSI: 00007f72c56fa000 RDI: 0000000000000001 # [ 69.335030] RBP: 00007f72c56fa000 R08: 00007f72c56f9010 R09: 0000000000000000 # [ 69.343010] R10: 00007f72c59041c0 R11: 0000000000000246 R12: 0000000000000001 # [ 69.350986] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 69.358974] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 69.374952] ---[ end trace b14a4b6e27830275 ]--- # [ 69.380118] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 69.384505] Code: 89 ff e8 6e bb a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 50 f2 73 02 # [ 69.405499] RSP: 0018:ffffb6eb81347e60 EFLAGS: 00010286 # [ 69.411344] RAX: ffffffff94ede2c0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 69.419320] RDX: 0000000000000000 RSI: ffff99247bc9bf70 RDI: ffffffff95ad9c50 # [ 69.427299] RBP: ffffffff95f23dd8 R08: 0000000000000001 R09: 0000000000000001 # [ 69.435276] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 69.443253] R13: ffffb6eb81347f10 R14: ffffb6eb81347f10 R15: ffff992403ec2000 # [ 69.451231] FS: 00007f72c58e1580(0000) GS:ffff99247bd80000(0000) knlGS:0000000000000000 # [ 69.460275] CS: 0010 DS: 0000 ES: 0[ 70.441504] lkdtm: Performing direct entry DOUBLE_FAULT [ 70.449530] lkdtm: XFAIL: this test is ia32-only 000 CR0: 0000000080050033 # [ 69.466697] CR2: ffffb6eb81858000 CR3: 0000000104fe4000 CR4: 00000000003506e0 # STACK_GUARD_PAGE_TRAILING: saw 'call trace:': ok ok 13 selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh # selftests: lkdtm: UNSET_SMEP.sh # [ 69.762663] lkdtm: Performing direct entry UNSET_SMEP # [ 69.772512] lkdtm: trying to clear SMEP normally # [ 69.777719] ------------[ cut here ]------------ # [ 69.789113] pinned CR4 bits changed: 0x100000!? # [ 69.794216] WARNING: CPU: 0 PID: 1121 at arch/x86/kernel/cpu/common.c:392 native_write_cr4+0x45/0x60 # [ 69.810655] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 69.832862] CPU: 0 PID: 1121 Comm: cat Tainted: G D W 5.10.138-cip15 #1 # [ 69.847750] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 69.854393] RIP: 0010:native_write_cr4+0x45/0x60 # [ 69.859581] Code: 39 c2 75 2d 48 85 f6 75 05 c3 cc cc cc cc 80 3d 64 a2 c3 01 00 75 f2 48 c7 c7 28 7f e0 95 c6 05 54 a2 c3 01 01 e8 e6 b0 e7 00 <0f> 0b c3 cc cc cc cc 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09 # [ 69.880593] RSP: 0018:ffffb6eb818e7e48 EFLAGS: 00010286 # [ 69.886458] RAX: 0000000000000000 RBX: 00000000002506f0 RCX: 0000000000000000 # [ 69.894463] RDX: ffff99247bc2c660 RSI: ffff99247bc1bf70 RDI: ffff99247bc1bf70 # [ 69.902470] RBP: ffffffff95ec8945 R08: 0000000000000000 R09: 0000000000000000 # [ 69.910473] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b # [ 69.918480] R13: ffffb6eb818e7f10 R14: ffffb6eb818e7f10 R15: ffff992404c91000 # [ 69.926483] FS: 00007f5b89479580(0000) GS:ffff99247bc00000(0000) knlGS:0000000000000000 # [ 69.935551] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 69.941995] CR2: 00007f5b89292000 CR3: 0000000103fda000 CR4: 00000000003506f0 # [ 69.949993] Call Trace: # [ 69.952758] lkdtm_UNSET_SMEP.cold+0x1d/0x103 # [ 69.963872] direct_entry.cold+0x2c/0x38 # [ 69.968295] full_proxy_write+0x56/0x80 # [ 69.978785] vfs_write+0xea/0x3a0 # [ 69.988728] ksys_write+0x68/0xf0 # [ 69.992465] do_syscall_64+0x33/0x40 # [ 70.002662] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 70.008326] RIP: 0033:0x7f5b893a1f33 # [ 70.012348] 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 # [ 70.033367] RSP: 002b:00007ffd12acfb18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 70.048080] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00[ 70.711527] lkdtm: Performing direct entry CORRUPT_PAC [ 70.721577] lkdtm: XFAIL: this test is arm64-only 007f5b893a1f33 # [ 70.062269] RDX: 000000000000000b RSI: 00007f5b89292000 RDI: 0000000000000001 # [ 70.076468] RBP: 00007f5b89292000 R08: 00007f5b89291010 R09: 0000000000000000 # [ 70.084469] R10: 00007f5b8949c1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 70.092468] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 70.100487] irq event stamp: 0 # [ 70.110174] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 70.123418] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 70.138785] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 70.147952] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 70.154979] ---[ end trace b14a4b6e27830276 ]--- # [ 70.166372] lkdtm: ok: SMEP did not get cleared # [ 70.171457] lkdtm: trying to clear SMEP with call gadget # [ 70.177417] 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 # [ 70.441504] lkdtm: Performing direct entry DOUBLE_FAULT # [ 70.449530] 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 # [ 70.711527] lkdtm: Performing direct entry CORRUPT_PAC # [ 70.721577] 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 [ 70.965978] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE [ 70.973230] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS # [ 70.965978] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE # [ 70.973230] 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 [ 71.488003] lkdtm: Performing direct entry READ_AFTER_FREE [ 71.494177] lkdtm: Value in memory before free: 12345678 [ 71.500161] lkdtm: Attempting bad read from freed memory [ 71.506136] lkdtm: Memory was not poisoned # [ 71.488003] lkdtm: Performing direct entry READ_AFTER_FREE # [ 71.494177] lkdtm: Value in memory before free: 12345678 # [ 71.500161] lkdtm: Attempting bad read from freed memory # [ 71.506136] 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 [ 71.893139] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE [ 71.899946] lkdtm: Value in memory before free: 12345678 [ 71.905932] lkdtm: Attempting to read from freed memory [ 71.911803] lkdtm: Buddy page was not poisoned # [ 71.893139] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE # [ 71.899946] lkdtm: Value in memory before free: 12345678 # [ 71.905932] lkdtm: Attempting to read from freed memory # [ 71.911803] lkdtm: Buddy page was not poisoned # READ_BUDDY_AFTER_FREE: missing 'call trace:': [FAIL] not ok 22 selftests: lkdtm: READ_BUDDY_AFTER_FREE.sh # exit=1 # selftests: lkdtm: SLAB_FREE_DOUBLE.sh [ 72.161169] lkdtm: Performing direct entry SLAB_FREE_DOUBLE [ 72.167445] lkdtm: Attempting double slab free ... # [ 72.161169] lkdtm: Performing direct entry SLAB_FREE_DOUBLE # [ 72.167445] lkdtm: Attempting double slab free ... # SLAB_FREE_DOUBLE: missing 'call trace:': [FAIL] not ok 23 selftests: lkdtm: SLAB_FREE_DOUBLE.sh # exit=1 # selftests: lkdtm: SLAB_FREE_CROSS.sh [ 72.435237] lkdtm: Performing direct entry SLAB_FREE_CROSS [ 72.441433] lkdtm: Attempting cross-cache slab free ... # [ 72.435237] lkdtm: Performing direct entry SLAB_FREE_CROSS # [ 72.441433] 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 [ 72.689806] lkdtm: Performing direct entry SLAB_FREE_PAGE [ 72.695892] lkdtm: Attempting non-Slab slab free ... # [ 72.689806] lkdtm: Performing direct entry SLAB_FREE_PAGE # [ 72.695892] lkdtm: Attempting non-Slab slab free ... # SLAB_FREE_PAGE: missing 'call trace:': [FAIL] not ok 25 selftests: lkdtm: SLAB_FREE_PAGE.sh # exit=1 # selftests: lkdtm: SOFTLOCKUP.sh # Skipping SOFTLOCKUP: Hangs the system ok 26 selftests: lkdtm: SOFTLOCKUP.sh # SKIP # selftests: lkdtm: HARDLOCKUP.sh # Skipping HARDLOCKUP: Hangs the system ok 27 selftests: lkdtm: HARDLOCKUP.sh # SKIP # selftests: lkdtm: SPINLOCKUP.sh # Skipping SPINLOCKUP: Hangs the system ok 28 selftests: lkdtm: SPINLOCKUP.sh # SKIP # selftests: lkdtm: HUNG_TASK.sh # Skipping HUNG_TASK: Hangs the system ok 29 selftests: lkdtm: HUNG_TASK.sh # SKIP # selftests: lkdtm: EXEC_DATA.sh [ 73.457224] lkdtm: Performing direct entry EXEC_DATA [ 73.462820] lkdtm: attempting ok execution at ffffffff94ede690 [ 73.469378] lkdtm: attempting bad execution at ffffffff9761d560 [ 73.476053] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 73.484421] BUG: unable to handle page fault for address: ffffffff9761d560 [ 73.492107] #PF: supervisor instruction fetch in kernel mode [ 73.498431] #PF: error_code(0x0011) - permissions violation [ 73.504659] PGD 21829067 P4D 21829067 PUD 2182a063 PMD 8000000022e000e3 [ 73.512166] Oops: 0011 [#5] SMP PTI [ 73.516069] CPU: 1 PID: 1628 Comm: cat Tainted: G D W 5.10.138-cip15 #1 [ 73.524725] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 73.531349] RIP: 0010:data_area+0x0/0x40 [ 73.535735] Code: ff ff 00 e0 47 04 24 99 ff ff 00 ef 20 04 24 99 ff ff 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 [ 73.556717] RSP: 0018:ffffb6eb8202fe48 EFLAGS: 00010246 [ 73.562558] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 73.570533] RDX: 0000000000000000 RSI: ffff99247bc9bf70 RDI: ffff99247bc9bf70 [ 73.578507] RBP: ffffffff9761d560 R08: 0000000000000000 R09: 0000000000000000 [ 73.586483] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a [ 73.594459] R13: ffffb6eb8202ff10 R14: ffffb6eb8202ff10 R15: ffff992404031000 [ 73.602437] FS: 00007f10461b2580(0000) GS:ffff99247bc80000(0000) knlGS:0000000000000000 [ 73.611482] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 73.617901] CR2: ffffffff9761d560 CR3: 0000000103b32000 CR4: 00000000003506e0 [ 73.625876] Call Trace: [ 73.628617] ? execute_location+0x48/0x56 [ 73.633103] ? direct_entry.cold+0x2c/0x38 [ 73.637689] ? full_proxy_write+0x56/0x80 [ 73.642175] ? vfs_write+0xea/0x3a0 [ 73.646075] ? ksys_write+0x68/0xf0 [ 73.649980] ? do_syscall_64+0x33/0x40 [ 73.654172] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 73.660021] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 73.675996] CR2: ffffffff9761d560 [ 73.679704] ---[ end trace b14a4b6e27830277 ]--- [ 73.684866] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 73.689243] Code: 89 ff e8 6e bb a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 50 f2 73 02 [ 73.710224] RSP: 0018:ffffb6eb81347e60 EFLAGS: 00010286 [ 73.716065] RAX: ffffffff94ede2c0 RBX: 0000000000000001 RCX: 0000000000000000 [ 73.724041] RDX: 0000000000000000 RSI: ffff99247bc9bf70 RDI: ffffffff95ad9c50 [ 73.732015] RBP: ffffffff95f23dd8 R08: 0000000000000001 R09: 0000000000000001 [ 73.739992] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 73.747968] R13: ffffb6eb81347f10 R14: ffffb6eb81347f10 R15: ffff992403ec2000 [ 73.755944] FS: 00007f10461b2580(0000) GS:ffff99247bc80000(0000) knlGS:0000000000000000 [ 73.764989] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 73.771411] CR2: ffffffff9761d560 CR3: 0000000103b32000 CR4: 00000000003506e0 [ 73.779391] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 73.789309] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1628, name: cat [ 73.797766] INFO: lockdep is turned off. [ 73.802147] irq event stamp: 0 [ 73.805561] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 73.812560] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 73.821693] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 73.830835] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 73.837843] CPU: 1 PID: 1628 Comm: cat Tainted: G D W 5.10.138-cip15 #1 [ 73.846497] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 73.853113] Call Trace: [ 73.855853] dump_stack+0x77/0x9b [ 73.859564] ___might_sleep.cold+0xa6/0xb6 [ 73.864149] exit_signals+0x1c/0x2e0 [ 73.868147] do_exit+0xd5/0xb00 [ 73.871661] ? ksys_write+0x68/0xf0 [ 73.875564] rewind_stack_do_exit+0x17/0x20 [ 73.880241] RIP: 0033:0x7f10460daf33 [ 73.884231] 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 [ 73.905218] RSP: 002b:00007ffcbe7fd1a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 73.913674] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f10460daf33 [ 73.921650] RDX: 000000000000000a RSI: 00007f1045fcb000 RDI: 0000000000000001 [ 73.929625] RBP: 00007f1045fcb000 R08: 00007f1045fca010 R09: 0000000000000000 [ 73.937602] R10: 00007f10461d51c0 R11: 0000000000000246 R12: 0000000000000001 [ 73.945576] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # Killed # [ 73.457224] lkdtm: Performing direct entry EXEC_DATA # [ 73.462820] lkdtm: attempting ok execution at ffffffff94ede690 # [ 73.469378] lkdtm: attempting bad execution at ffffffff9761d560 # [ 73.476053] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 73.484421] BUG: unable to handle page fault for address: ffffffff9761d560 # [ 73.492107] #PF: supervisor instruction fetch in kernel mode # [ 73.498431] #PF: error_code(0x0011) - permissions violation # [ 73.504659] PGD 21829067 P4D 21829067 PUD 2182a063 PMD 8000000022e000e3 # [ 73.512166] Oops: 0011 [#5] SMP PTI # [ 73.516069] CPU: 1 PID: 1628 Comm: cat Tainted: G D W 5.10.138-cip15 #1 # [ 73.524725] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 73.531349] RIP: 0010:data_area+0x0/0x40 # [ 73.535735] Code: ff ff 00 e0 47 04 24 99 ff ff 00 ef 20 04 24 99 ff ff 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 # [ 73.556717] RSP: 0018:ffffb6eb8202fe48 EFLAGS: 00010246 # [ 73.562558] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 73.570533] RDX: 0000000000000000 RSI: ffff99247bc9bf70 RDI: ffff99247bc9bf70 # [ 73.578507] RBP: ffffffff9761d560 R08: 0000000000000000 R09: 0000000000000000 # [ 73.586483] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 73.594459] R13: ffffb6eb8202ff10 R14: ffffb6eb8202ff10 R15: ffff992404031000 # [ 73.602437] FS: 00007f10461b2580(0000) GS:ffff99247bc80000(0000) knlGS:0000000000000000 # [ 73.611482] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 73.617901] CR2: ffffffff9761d560 CR3: 0000000103b32000 CR4: 00000000003506e0 # [ 73.625876] Call Trace: # [ 73.628617] ? execute_location+0x48/0x56 # [ 73.633103] ? direct_entry.cold+0x2c/0x38 # [ 73.637689] ? full_proxy_write+0x56/0x80 # [ 73.642175] ? vfs_write+0xea/0x3a0 # [ 73.646075] ? ksys_write+0x68/0xf0 # [ 73.649980] ? do_syscall_64+0x33/0x40 # [ 73.654172] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 73.660021] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 73.675996] CR2: ffffffff9761d560 # [ 73.679704] ---[ end trace b14a4b6e27830277 ]--- # [ 73.684866] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 73.689243] Code: 89 ff e8 6e bb a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 0[ 74.253649] lkdtm: Performing direct entry EXEC_STACK [ 74.264060] lkdtm: attempting ok execution at ffffffff94ede690 [ 74.270652] lkdtm: attempting bad execution at ffffb6eb820b7e18 0 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 50 f2 [ 74.277325] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 74.291847] BUG: unable to handle page fault for address: ffffb6eb820b7e18 [ 74.299534] #PF: supervisor instruction fetch in kernel mode [ 74.305857] #PF: error_code(0x0011) - permissions violation [ 74.312083] PGD 100000067 P4D 100000067 PUD 100211067 PMD 103db3067 PTE 8000000104f00063 [ 74.321144] Oops: 0011 [#6] SMP PTI [ 74.325046] CPU: 2 PID: 1664 Comm: cat Tainted: G D W 5.10.138-cip15 #1 [ 74.333703] Hardware name: Google Coral/Coral, BIOS 09/29/2020 73 02 # [ 73.710224] RSP: 0018:ffffb6eb81347e60 EFLAGS: 00010[ 74.340327] RIP: 0010:0xffffb6eb820b7e18 [ 74.350929] Code: 00 00 18 7e 0b 82 eb b6 ff ff 5d b5 56 95 ff ff ff ff 20 00 00 00 00 00 00 00 6e 8a ec 95 ff ff ff ff 89 b6 56 95 ff ff ff ff <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 286 # [ 73.716065] RAX: ffffffff94ede2c0 RBX: 000000000000000[ 74.371917] RSP: 0018:ffffb6eb820b7df8 EFLAGS: 00010246 [ 74.383957] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 74.391933] RDX: 0000000000000000 RSI: ffff99247bd1bf70 RDI: ffff99247bd1bf70 [ 74.399909] RBP: ffffb6eb820b7e18 R08: 0000000000000000 R09: 0000000000000000 [ 74.407883] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b [ 74.415856] R13: ffffb6eb820b7f10 R14: ffffb6eb820b7f10 R15: ffff992404d66000 [ 74.423833] FS: 00007fbd13baf580(0000) GS:ffff99247bd00000(0000) knlGS:0000000000000000 [ 74.432875] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 74.439294] CR2: ffffb6eb820b7e18 CR3: 00000001058be000 CR4: 00000000003506e0 [ 74.447268] Call Trace: [ 74.450015] ? execute_location+0x48/0x56 [ 74.454502] ? lkdtm_EXEC_STACK+0x26/0x44 [ 74.458988] ? direct_entry.cold+0x2c/0x38 [ 74.463574] ? full_proxy_write+0x56/0x80 [ 74.468057] ? vfs_write+0xea/0x3a0 [ 74.471956] ? ksys_write+0x68/0xf0 [ 74.475860] ? do_syscall_64+0x33/0x40 [ 74.480049] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 74.485899] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 74.501871] CR2: ffffb6eb820b7e18 [ 74.505577] ---[ end trace b14a4b6e27830278 ]--- [ 74.510740] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 74.515122] Code: 89 ff e8 6e bb a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 50 f2 73 02 [ 74.536109] RSP: 0018:ffffb6eb81347e60 EFLAGS: 00010286 [ 74.541950] RAX: ffffffff94ede2c0 RBX: 0000000000000001 RCX: 0000000000000000 [ 74.549925] RDX: 0000000000000000 RSI: ffff99247bc9bf70 RDI: ffffffff95ad9c50 [ 74.557903] RBP: ffffffff95f23dd8 R08: 0000000000000001 R09: 0000000000000001 [ 74.565877] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 74.573850] R13: ffffb6eb81347f10 R14: ffffb6eb81347f10 R15: ffff992403ec2000 [ 74.581827] FS: 00007fbd13baf580(0000) GS:ffff99247bd00000(0000) knlGS:0000000000000000 [ 74.590870] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 74.597293] CR2: ffffb6eb820b7e18 CR3: 00000001058be000 CR4: 00000000003506e0 1 RCX: 0000000000000000 # [ 73.724041] RDX: 0000000000000000 RSI: ffff99247bc9bf70 RDI: ffffffff95ad9c50 # [ 73.732015] RBP: ffffffff95f23dd8 R08: 0000000000000001 R09: 0000000000000001 # [ 73.739992] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 73.747968] R13: ffffb6eb81347f10 R14: ffffb6eb81347f10 R15: ffff992403ec2000 # [ 73.755944] FS: 00007f10461b2580(0000) GS:ffff99247bc80000(0000) knlGS:0000000000000000 # [ 73.764989] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 73.771411] CR2: ffffffff9761d560 CR3: 0000000103b32000 CR4: 00000000003506e0 # [ 73.779391] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 73.789309] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1628, name: cat # [ 73.797766] INFO: lockdep is turned off. # [ 73.802147] irq event stamp: 0 # [ 73.805561] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 73.812560] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 73.821693] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 73.830835] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 73.837843] CPU: 1 PID: 1628 Comm: cat Tainted: G D W 5.10.138-cip15 #1 # [ 73.846497] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 73.853113] Call Trace: # [ 73.855853] dump_stack+0x77/0x9b # [ 73.859564] ___might_sleep.cold+0xa6/0xb6 # [ 73.864149] exit_signals+0x1c/0x2e0 # [ 73.868147] do_exit+0xd5/0xb00 # [ 73.871661] ? ksys_write+0x68/0xf0 # [ 73.875564] rewind_stack_do_exit+0x17/0x20 # [ 73.880241] RIP: 0033:0x7f10460daf33 # [ 73.884231] 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 # [ 73.905218] RSP: 002b:00007ffcbe7fd1a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 73.913674] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f10460daf33 # [ 73.921650] RDX: 000000000000000a RSI: 00007f1045fcb000 RDI: 0000000000000001 # [ 73.929625] RBP: 00007f1045fcb000 R08: 00007f1045fca010 R09: 0000000000000000 # [ 73.937602] R10: 00007f10461d51c0 R11: 0000000000000246 R12: 0000000000000001 # [ 73.945576] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # EXEC_DATA: saw 'call trace:': ok ok 30 selftests: lkdtm: EXEC_DATA.sh # selftests: lkdtm: EXEC_STACK.sh # Killed # [ 74.253649] lkdtm: Performing direct entry EXEC_STACK # [ 74.264060] lkdtm: attempting ok execution at ffffffff94[ 74.865464] lkdtm: Performing direct entry EXEC_KMALLOC ede690 # [ 74.270652] lkdtm: attempting bad execution at ffff[ 74.872288] lkdtm: attempting ok execution at ffffffff94ede690 b6eb820b7e18 # [ 74.277325] kernel tried to execute NX-protec[ 74.885073] lkdtm: attempting bad execution at ffff99240479fb80 ted page - exploit attempt? (uid: 0) # [ 74.291847] BUG: unab[ 74.897981] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 74.912448] BUG: unable to handle page fault for address: ffff99240479fb80 [ 74.920133] #PF: supervisor instruction fetch in kernel mode [ 74.926455] #PF: error_code(0x0011) - permissions violation [ 74.932681] PGD 23001067 P4D 23001067 PUD 100807063 PMD 104bd7063 PTE 800000010479f063 [ 74.941547] Oops: 0011 [#7] SMP PTI [ 74.945447] CPU: 3 PID: 1700 Comm: cat Tainted: G D W 5.10.138-cip15 #1 [ 74.954101] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 74.960722] RIP: 0010:0xffff99240479fb80 [ 74.965108] Code: ff ff 90 f2 79 04 24 99 ff ff 40 15 e4 04 24 99 ff ff 00 ec 76 04 24 99 ff ff 00 76 0c c4 ef f3 ff ff 00 80 1d 03 24 99 ff ff <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 [ 74.986095] RSP: 0018:ffffb6eb82137e38 EFLAGS: 00010246 [ 74.991937] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 74.999911] RDX: 0000000000000000 RSI: ffff99247bd9bf70 RDI: ffff99247bd9bf70 [ 75.007887] RBP: ffff99240479fb80 R08: 0000000000000000 R09: 0000000000000000 [ 75.015860] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d [ 75.023832] R13: ffffb6eb82137f10 R14: ffffb6eb82137f10 R15: ffff992404994000 [ 75.031809] FS: 00007f67d8c5f580(0000) GS:ffff99247bd80000(0000) knlGS:0000000000000000 [ 75.040852] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 75.047273] CR2: ffff99240479fb80 CR3: 0000000103192000 CR4: 00000000003506e0 [ 75.055247] Call Trace: [ 75.057991] ? execute_location+0x48/0x56 [ 75.062477] ? lkdtm_EXEC_KMALLOC+0x2c/0x40 [ 75.067153] ? direct_entry.cold+0x2c/0x38 [ 75.071736] ? full_proxy_write+0x56/0x80 [ 75.076222] ? vfs_write+0xea/0x3a0 [ 75.080122] ? ksys_write+0x68/0xf0 [ 75.084016] ? do_syscall_64+0x33/0x40 [ 75.088208] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 75.094058] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 75.110027] CR2: ffff99240479fb80 [ 75.113733] ---[ end trace b14a4b6e27830279 ]--- [ 75.118886] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 75.123260] Code: 89 ff e8 6e bb a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 50 f2 73 02 [ 75.144248] RSP: 0018:ffffb6eb81347e60 EFLAGS: 00010286 [ 75.150087] RAX: ffffffff94ede2c0 RBX: 0000000000000001 RCX: 0000000000000000 [ 75.158060] RDX: 0000000000000000 RSI: ffff99247bc9bf70 RDI: ffffffff95ad9c50 [ 75.166035] RBP: ffffffff95f23dd8 R08: 0000000000000001 R09: 0000000000000001 [ 75.174009] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 75.181985] R13: ffffb6eb81347f10 R14: ffffb6eb81347f10 R15: ffff992403ec2000 [ 75.189961] FS: 00007f67d8c5f580(0000) GS:ffff99247bd80000(0000) knlGS:0000000000000000 [ 75.199005] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 75.205426] CR2: ffff99240479fb80 CR3: 0000000103192000 CR4: 00000000003506e0 [ 75.213402] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 75.223321] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1700, name: cat [ 75.231781] INFO: lockdep is turned off. [ 75.236161] irq event stamp: 0 [ 75.239571] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 75.246577] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 75.255716] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 75.264856] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 75.271863] CPU: 3 PID: 1700 Comm: cat Tainted: G D W 5.10.138-cip15 #1 [ 75.280517] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 75.287130] Call Trace: [ 75.289866] dump_stack+0x77/0x9b [ 75.293574] ___might_sleep.cold+0xa6/0xb6 [ 75.298158] exit_signals+0x1c/0x2e0 [ 75.302154] do_exit+0xd5/0xb00 [ 75.305665] ? ksys_write+0x68/0xf0 [ 75.309568] rewind_stack_do_exit+0x17/0x20 [ 75.314242] RIP: 0033:0x7f67d8b87f33 [ 75.318238] 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 [ 75.339225] RSP: 002b:00007ffc6112e3b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 75.347687] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007f67d8b87f33 [ 75.355660] RDX: 000000000000000d RSI: 00007f67d8a78000 RDI: 0000000000000001 [ 75.363634] RBP: 00007f67d8a78000 R08: 00007f67d8a77010 R09: 0000000000000000 [ 75.371609] R10: 00007f67d8c821c0 R11: 0000000000000246 R12: 0000000000000001 [ 75.379584] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 le to handle page fault for address: ffffb6eb820b7e18 # [ 74.299534] #PF: supervisor instruction fetch in kernel mode # [ 74.305857] #PF: error_code(0x0011) - permissions violation # [ 74.312083] PGD 100000067 P4D 100000067 PUD 100211067 PMD 103db3067 PTE 8000000104f00063 # [ 74.321144] Oops: 0011 [#6] SMP PTI # [ 74.325046] CPU: 2 PID: 1664 Comm: cat Tainted: G D W 5.10.138-cip15 #1 # [ 74.333703] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 74.340327] RIP: 0010:0xffffb6eb820b7e18 # [ 74.350929] Code: 00 00 18 7e 0b 82 eb b6 ff ff 5d b5 56 95 ff ff ff ff 20 00 00 00 00 00 00 00 6e 8a ec 95 ff ff ff ff 89 b6 56 95 ff ff ff ff <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 # [ 74.371917] RSP: 0018:ffffb6eb820b7df8 EFLAGS: 00010246 # [ 74.383957] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 74.391933] RDX: 0000000000000000 RSI: ffff99247bd1bf70 RDI: ffff99247bd1bf70 # [ 74.399909] RBP: ffffb6eb820b7e18 R08: 0000000000000000 R09: 0000000000000000 # [ 74.407883] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b # [ 74.415856] R13: ffffb6eb820b7f10 R14: ffffb6eb820b7f10 R15: ffff992404d66000 # [ 74.423833] FS: 00007fbd13baf580(0000) GS:ffff99247bd00000(0000) knlGS:0000000000000000 # [ 74.432875] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 74.439294] CR2: ffffb6eb820b7e18 CR3: 00000001058be000 CR4: 00000000003506e0 # [ 74.447268] Call Trace: # [ 74.450015] ? execute_location+0x48/0x56 # [ 74.454502] ? lkdtm_EXEC_STACK+0x26/0x44 # [ 74.458988] ? direct_entry.cold+0x2c/0x38 # [ 74.463574] ? full_proxy_write+0x56/0x80 # [ 74.468057] ? vfs_write+0xea/0x3a0 # [ 74.471956] ? ksys_write+0x68/0xf0 # [ 74.475860] ? do_syscall_64+0x33/0x40 # [ 74.480049] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 74.485899] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 74.501871] CR2: ffffb6eb820b7e18 # [ 74.505577] ---[ end trace b14a4b6e27830278 ]--- # [ 74.510740] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 74.515122] Code: 89 ff e8 6e bb a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 50 f2 73 02 # [ 74.536109] RSP: 0018:ffffb6eb81347e60 EFLAGS: 00010286 # [ 74.541950] RAX: ffffffff94ede2c0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 74.549925] RDX: 0000000000000000 RSI: ffff99247bc9bf70 RDI: ffffffff95ad9c50 # [ 74.557903] RBP: ffffffff95f23dd8 R08: 0000000000000001 R09: 0000000000000001 # [ 74.565877] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 74.573850] R13: ffffb6eb81347f10 R14: ffffb6eb81347f10 R15: ffff992403ec2000 # [ 74.581827] FS: 00007fbd13baf580(0000) GS:ffff99247bd00000(0000) knlGS:0000000000000000 # [ 74.590870] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 74.597293] CR2: ffffb6eb820b7e18 CR3: 00000001058be000 CR4: 00000000003506e0 # EXEC_STACK: saw 'call trace:': ok ok 31 selftests: lkdtm: EXEC_STACK.sh # selftests: lkdtm: EXEC_KMALLOC.sh # Killed # [ 74.865464] lkdtm: Performing direct entry EXEC_KMA[ 75.707615] lkdtm: Performing direct entry EXEC_VMALLOC LLOC # [ 74.872288] lkdtm: attempting ok execution at fffffff[ 75.716713] lkdtm: attempting ok execution at ffffffff94ede690 f94ede690 # [ 74.885073] lkdtm: attempting bad execution at f[ 75.729464] lkdtm: attempting bad execution at ffffb6eb8067b000 fff99240479fb80 # [ 74.897981] kernel tried to execute NX-pro[ 75.742335] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 75.756872] BUG: unable to handle page fault for address: ffffb6eb8067b000 tected page - exploit attempt? (uid: 0) # [ 74.912448] BUG: u[ 75.764560] #PF: supervisor instruction fetch in kernel mode [ 75.777082] #PF: error_code(0x0011) - permissions violation [ 75.783310] PGD 100000067 P4D 100000067 PUD 100211067 PMD 105957067 PTE 800000010594c063 [na ble to handle page fault for address: ffff99240479fb80 # [ 75.792373] Oops: 0011 [#8] SMP PTI 74.920133] #PF: supervisor instruction fetch in kernel mode # [[ 75.802396] CPU: 0 PID: 1736 Comm: cat Tainted: G D W 5.10.138-cip15 #1 [ 75.817268] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 75.823888] RIP: 0010:0xffffb6eb8067b000 [ 75.828279] Code: Unable to access opcode bytes at RIP 0xffffb6eb8067afd6. [ 75.835965] RSP: 0018:ffffb6eb8218fe38 EFLAGS: 00010246 [ 75.841809] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 75.849782] RDX: 0000000000000000 RSI: ffff99247bc1bf70 RDI: ffff99247bc1bf70 [ 75.857757] RBP: ffffb6eb8067b000 R08: 0000000000000000 R09: 0000000000000000 [ 75.865730] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d [ 75.873703] R13: ffffb6eb8218ff10 R14: ffffb6eb8218ff10 R15: ffff99240594c000 [ 75.881680] FS: 00007f216219f580(0000) GS:ffff99247bc00000(0000) knlGS:0000000000000000 [ 75.890724] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 75.897145] CR2: ffffb6eb8067afd6 CR3: 0000000104b26000 CR4: 00000000003506f0 [ 75.905120] Call Trace: [ 75.907868] ? execute_location+0x48/0x56 [ 75.912354] ? lkdtm_EXEC_VMALLOC+0x20/0x30 [ 75.917029] ? direct_entry.cold+0x2c/0x38 [ 75.921614] ? full_proxy_write+0x56/0x80 [ 75.926099] ? vfs_write+0xea/0x3a0 [ 75.929998] ? ksys_write+0x68/0xf0 [ 75.933902] ? do_syscall_64+0x33/0x40 [ 75.938093] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 74.926455] #PF: error_code(0x0011) - permissions violation #[ 75.943931] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 75.966109] CR2: ffffb6eb8067b000 [ 75.969817] ---[ end trace b14a4b6e2783027a ]--- [ 75.974980] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 75.979367] Code: 89 ff e8 6e bb a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 50 f2 73 02 [ 76.000355] RSP: 0018:ffffb6eb81347e60 EFLAGS: 00010286 [ 76.006194] RAX: ffffffff94ede2c0 RBX: 0000000000000001 RCX: 0000000000000000 [ 76.014169] RDX: 0000000000000000 RSI: ffff99247bc9bf70 RDI: ffffffff95ad9c50 [ 76.022142] RBP: ffffffff95f23dd8 R08: 0000000000000001 R09: 0000000000000001 [ 76.030117] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 76.038090] R13: ffffb6eb81347f10 R14: ffffb6eb81347f10 R15: ffff992403ec2000 [ 76.046064] FS: 00007f216219f580(0000) GS:ffff99247bc00000(0000) knlGS:0000000000000000 [ 76.055106] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 76.061525] CR2: ffffb6eb8067afd6 CR3: 0000000104b26000 CR4: 00000000003506f0 [ 74.932681] PGD 23001067 P4D 23001067 PUD 100807063 PMD 104bd7063 PTE 800000010479f063 # [ 74.941547] Oops: 0011 [#7] SMP PTI # [ 74.945447] CPU: 3 PID: 1700 Comm: cat Tainted: G D W 5.10.138-cip15 #1 # [ 74.954101] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 74.960722] RIP: 0010:0xffff99240479fb80 # [ 74.965108] Code: ff ff 90 f2 79 04 24 99 ff ff 40 15 e4 04 24 99 ff ff 00 ec 76 04 24 99 ff ff 00 76 0c c4 ef f3 ff ff 00 80 1d 03 24 99 ff ff <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 # [ 74.986095] RSP: 0018:ffffb6eb82137e38 EFLAGS: 00010246 # [ 74.991937] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 74.999911] RDX: 0000000000000000 RSI: ffff99247bd9bf70 RDI: ffff99247bd9bf70 # [ 75.007887] RBP: ffff99240479fb80 R08: 0000000000000000 R09: 0000000000000000 # [ 75.015860] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d # [ 75.023832] R13: ffffb6eb82137f10 R14: ffffb6eb82137f10 R15: ffff992404994000 # [ 75.031809] FS: 00007f67d8c5f580(0000) GS:ffff99247bd80000(0000) knlGS:0000000000000000 # [ 75.040852] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 75.047273] CR2: ffff99240479fb80 CR3: 0000000103192000 CR4: 00000000003506e0 # [ 75.055247] Call Trace: # [ 75.057991] ? execute_location+0x48/0x56 # [ 75.062477] ? lkdtm_EXEC_KMALLOC+0x2c/0x40 # [ 75.067153] ? direct_entry.cold+0x2c/0x38 # [ 75.071736] ? full_proxy_write+0x56/0x80 # [ 75.076222] ? vfs_write+0xea/0x3a0 # [ 75.080122] ? ksys_write+0x68/0xf0 # [ 75.084016] ? do_syscall_64+0x33/0x40 # [ 75.088208] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 75.094058] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 75.110027] CR2: ffff99240479fb80 # [ 75.113733] ---[ end trace b14a4b6e27830279 ]--- # [ 75.118886] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 75.123260] Code: 89 ff e8 6e bb a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 50 f2 73 02 # [ 75.144248] RSP: 0018:ffffb6eb81347e60 EFLAGS: 00010286 # [ 75.150087] RAX: ffffffff94ede2c0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 75.158060] RDX: 0000000000000000 RSI: ffff99247bc9bf70 RDI: ffffffff95ad9c50 # [ 75.166035] RBP: ffffffff95f23dd8 R08: 0000000000000001 R09: 0000000000000001 # [ 75.174009] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 75.181985] R13: ffffb6eb81347f10 R14: ffffb6eb81347f10 R15: ffff992403ec2000 # [ 75.189961] FS: 00007f67d8c5f580(0000) GS:ffff99247bd80000(0000) knlGS:0000000000000000 # [ 75.199005] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 75.205426] CR2: ffff99240479fb80 CR3: 0000000103192000 CR4: 00[ 76.351850] lkdtm: Performing direct entry EXEC_RODATA 000000003506e0 # [ 75.213402] BUG: sleeping function called f[ 76.361228] lkdtm: attempting ok execution at ffffffff94ede690 rom invalid context at include/linux/percpu-rwsem.h:49 # [ 75[ 76.374002] lkdtm: attempting bad execution at ffffffff95ada0e0 .223321] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: [ 76.386844] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 76.401369] BUG: unable to handle page fault for address: ffffffff95ada0e0 [ 76.409052] #PF: supervisor instruction fetch in kernel mode [ 76.415375] #PF: error_code(0x0011) - permissions violation [ 76.421600] PGD 21829067 P4D 21829067 PUD 2182a063 PMD 80000000212001e1 [ 76.429104] Oops: 0011 [#9] SMP PTI [ 76.433004] CPU: 3 PID: 1772 Comm: cat Tainted: G D W 5.10.138-cip15 #1 [ 76.441658] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 76.448283] RIP: 0010:lkdtm_rodata_do_nothing+0x0/0x10 [ 76.454026] Code: ff ff f9 ca 56 95 ff ff ff ff ba 8c ec 95 ff ff ff ff 3f b2 56 95 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 [ 76.475016] RSP: 0018:ffffb6eb8225fe48 EFLAGS: 00010246 [ 76.480855] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 [ 76.488830] RDX: 0000000000000000 RSI: ffff99247bd9bf70 RDI: ffff99247bd9bf70 [ 76.496804] RBP: ffffffff95ada0e0 R08: 0000000000000000 R09: 0000000000000000 [ 76.504777] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c [ 76.512753] R13: ffffb6eb8225ff10 R14: ffffb6eb8225ff10 R15: ffff992402988000 [ 76.520729] FS: 00007f9eb6548580(0000) GS:ffff99247bd80000(0000) knlGS:0000000000000000 [ 76.529771] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 76.536193] CR2: ffffffff95ada0e0 CR3: 0000000103b74000 CR4: 00000000003506e0 [ 76.544166] Call Trace: [ 76.546908] ? execute_location+0x48/0x56 [ 76.551391] ? direct_entry.cold+0x2c/0x38 [ 76.555977] ? full_proxy_write+0x56/0x80 [ 76.560462] ? vfs_write+0xea/0x3a0 [ 76.564362] ? ksys_write+0x68/0xf0 [ 76.568266] ? do_syscall_64+0x33/0x40 [ 76.572457] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 76.578297] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 76.594268] CR2: ffffffff95ada0e0 [ 76.597974] ---[ end trace b14a4b6e2783027b ]--- [ 76.603128] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 76.607511] Code: 89 ff e8 6e bb a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 50 f2 73 02 [ 76.628500] RSP: 0018:ffffb6eb81347e60 EFLAGS: 00010286 [ 76.634341] RAX: ffffffff94ede2c0 RBX: 0000000000000001 RCX: 0000000000000000 [ 76.642316] RDX: 0000000000000000 RSI: ffff99247bc9bf70 RDI: ffffffff95ad9c50 [ 76.650291] RBP: ffffffff95f23dd8 R08: 0000000000000001 R09: 0000000000000001 [ 76.658264] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 76.666238] R13: ffffb6eb81347f10 R14: ffffb6eb81347f10 R15: ffff992403ec2000 [ 76.674215] FS: 00007f9eb6548580(0000) GS:ffff99247bd80000(0000) knlGS:0000000000000000 [ 76.683257] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 76.689678] CR2: ffffffff95ada0e0 CR3: 0000000103b74000 CR4: 00000000003506e0 [ 76.697657] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 76.707574] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1772, name: cat [ 76.716032] INFO: lockdep is turned off. [ 76.720410] irq event stamp: 0 [ 76.723825] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 76.730822] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 76.739962] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 76.749102] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 76.756107] CPU: 3 PID: 1772 Comm: cat Tainted: G D W 5.10.138-cip15 #1 [ 76.764759] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 76.771374] Call Trace: [ 76.774112] dump_stack+0x77/0x9b [ 76.777819] ___might_sleep.cold+0xa6/0xb6 [ 76.782402] exit_signals+0x1c/0x2e0 [ 76.786399] do_exit+0xd5/0xb00 [ 76.789900] ? ksys_write+0x68/0xf0 [ 76.793805] rewind_stack_do_exit+0x17/0x20 [ 76.798479] RIP: 0033:0x7f9eb6470f33 [ 76.802473] 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 [ 76.823462] RSP: 002b:00007ffe35c3de48 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 76.831918] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f9eb6470f33 [ 76.839892] RDX: 000000000000000c RSI: 00007f9eb6361000 RDI: 0000000000000001 [ 76.847866] RBP: 00007f9eb6361000 R08: 00007f9eb6360010 R09: 0000000000000000 [ 76.855841] R10: 00007f9eb656b1c0 R11: 0000000000000246 R12: 0000000000000001 [ 76.863815] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 1700, name: cat # [ 75.231781] INFO: lockdep is turned off. # [ 75.236161] irq event stamp: 0 # [ 75.239571] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 75.246577] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 75.255716] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 75.264856] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 75.271863] CPU: 3 PID: 1700 Comm: cat Tainted: G D W 5.10.138-cip15 #1 # [ 75.280517] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 75.287130] Call Trace: # [ 75.289866] dump_stack+0x77/0x9b # [ 75.293574] ___might_sleep.cold+0xa6/0xb6 # [ 75.298158] exit_signals+0x1c/0x2e0 # [ 75.302154] do_exit+0xd5/0xb00 # [ 75.305665] ? ksys_write+0x68/0xf0 # [ 75.309568] rewind_stack_do_exit+0x17/0x20 # [ 75.314242] RIP: 0033:0x7f67d8b87f33 # [ 75.318238] 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 # [ 75.339225] RSP: 002b:00007ffc6112e3b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 75.347687] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007f67d8b87f33 # [ 75.355660] RDX: 000000000000000d RSI: 00007f67d8a78000 RDI: 0000000000000001 # [ 75.363634] RBP: 00007f67d8a78000 R08: 00007f67d8a77010 R09: 0000000000000000 # [ 75.371609] R10: 00007f67d8c821c0 R11: 0000000000000246 R12: 0000000000000001 # [ 75.379584] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # EXEC_KMALLOC: saw 'call trace:': ok ok 32 selftests: lkdtm: EXEC_KMALLOC.sh # selftests: lkdtm: EXEC_VMALLOC.sh # Killed # [ 75.707615] lkdtm: Performing direct entry EXEC_VMALLOC # [ 75.716713] lkdtm: attempting ok execution at ffffffff94ede690 # [ 75.729464] lkdtm: attempting bad execution at ffffb6eb8067b000 # [ 75.742335] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 75.756872] BUG: unable to handle page fault for address: ffffb6eb8067b000 # [ 75.764560] #PF: supervisor instruction fetch in kernel mode # [ 75.777082] #PF: error_code(0x0011) - permissions violation # [ 75.783310] PGD 100000067 P4D 100000067 PUD 100211067 PMD 105957067 PTE 800000010594c063 # [ 75.792373] Oops: 0011 [#8] SMP PTI # [ 75.802396] CPU: 0 PID: 1736 Comm: cat Tainted: G D W 5.10.138-cip15 #1 # [ 75.817268] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 75.823888] RIP: 0010:0xffffb6eb8067b000 # [ 75.828279] Code: Unable to access opcode bytes at RIP 0xffffb6eb8067afd6. # [ 75.835965] RSP: 0018:ffffb6eb8218fe38 EFLAGS: 00010246 # [ 75.841809] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 75.849782] RDX: 0000000000000000 RSI: ffff99247bc1bf70 RDI: ffff99247bc1bf70 # [ 75.857757] RBP: ffffb6eb8067b000 R08: 0000000000000000 R09: 0000000000000000 # [ 75.865730] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d # [ 75.873703] R13: ffffb6eb8218ff10 R14: ffffb6eb8218ff10 R15: ffff99240594c000 # [ 75.881680] FS: 00007f216219f580(0000) GS:ffff99247bc000[ 77.184133] lkdtm: Performing direct entry EXEC_USERSPACE 00(0000) knlGS:0000000000000000 # [ 75.890724] CS: 0010 DS: [ 77.194919] lkdtm: attempting ok execution at ffffffff94ede690 0000 ES: 0000 CR0: 0000000080050033 # [ 75.897145] CR2: ffffb[ 77.207741] lkdtm: attempting bad execution at 00007fb6f75fd000 6eb8067afd6 CR3: 0000000104b26000 CR4: 00000000003506f0 # [ 7[ 77.220585] unable to execute userspace code (SMEP?) (uid: 0) [ 77.233171] BUG: unable to handle page fault for address: 00007fb6f75fd000 5.905120] Call Trace: # [ 75.907868] ? execute_location+0x48[ 77.240857] #PF: supervisor instruction fetch in kernel mode [ 77.253386] #PF: error_code(0x0011) - permissions violation /0x56 # [ 75.912354] ? lkdtm_EXEC_VMALLOC+0x20/0x30 # [ 7[ 77.259613] PGD 800000010388f067 P4D 800000010388f067 PUD 103b30067 PMD 103fa5067 PTE 114b7e067 [ 77.275561] Oops: 0011 [#10] SMP PTI 5.917029] ? direct_entry.cold+0x2c/0x38 # [ 75.921614] ? fu[ 77.279562] CPU: 0 PID: 1808 Comm: cat Tainted: G D W 5.10.138-cip15 #1 [ 77.294421] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 77.301043] RIP: 0010:0x7fb6f75fd000 [ 77.305036] Code: Unable to access opcode bytes at RIP 0x7fb6f75fcfd6. [ 77.312332] RSP: 0018:ffffb6eb822dfe50 EFLAGS: 00010246 [ 77.318178] RAX: 0000000000000033 RBX: 0000000000000024 RCX: 0000000000000000 [ 77.326152] RDX: 0000000000000000 RSI: ffff99247bc1bf70 RDI: ffff99247bc1bf70 [ 77.334126] RBP: 00007fb6f75fd000 R08: 0000000000000000 R09: 0000000000000000 [ 77.342099] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000f [ 77.350074] R13: ffffb6eb822dff10 R14: ffffb6eb822dff10 R15: ffff992404c33000 [ 77.358053] FS: 00007fb6f75ce580(0000) GS:ffff99247bc00000(0000) knlGS:0000000000000000 [ 77.367094] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 77.373513] CR2: 00007fb6f75fd000 CR3: 0000000103d86000 CR4: 00000000003506f0 [ 77.381490] Call Trace: [ 77.384238] ? lkdtm_EXEC_USERSPACE.cold+0x69/0xae [ 77.389595] ? direct_entry.cold+0x2c/0x38 [ 77.394181] ? full_proxy_write+0x56/0x80 [ 77.398669] ? vfs_write+0xea/0x3a0 [ 77.402570] ? ksys_write+0x68/0xf0 [ 77.406472] ? do_syscall_64+0x33/0x40 [ 77.410662] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 ll_proxy_write+0x56/0x80 # [ 75.926099] ? vfs_write+0xea/0x3[ 77.416509] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 77.438696] CR2: 00007fb6f75fd000 [ 77.442402] ---[ end trace b14a4b6e2783027c ]--- [ 77.447566] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 77.451949] Code: 89 ff e8 6e bb a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 50 f2 73 02 a0 # [ 75.929998] ? ksys_write+0x68/0xf0 # [ 75.933902] [ 77.472939] RSP: 0018:ffffb6eb81347e60 EFLAGS: 00010286 [ 77.484988] RAX: ffffffff94ede2c0 RBX: 0000000000000001 RCX: 0000000000000000 [ 77.492963] RDX: 0000000000000000 RSI: ffff99247bc9bf70 RDI: ffffffff95ad9c50 [ 77.500940] RBP: ffffffff95f23dd8 R08: 0000000000000001 R09: 0000000000000001 [ 77.508915] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 77.516889] R13: ffffb6eb81347f10 R14: ffffb6eb81347f10 R15: ffff992403ec2000 [ 77.524867] FS: 00007fb6f75ce580(0000) GS:ffff99247bc00000(0000) knlGS:0000000000000000 [ 77.533911] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 77.540334] CR2: 00007fb6f75fd000 CR3: 0000000103d86000 CR4: 00000000003506f0 ? do_syscall_64+0x33/0x40 # [ 75.938093] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 75.943931] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 75.966109] CR2: ffffb6eb8067b000 # [ 75.969817] ---[ end trace b14a4b6e2783027a ]--- # [ 75.974980] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 75.979367] Code: 89 ff e8 6e bb a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 50 f2 73 02 # [ 76.000355] RSP: 0018:ffffb6eb81347e60 EFLAGS: 00010286 # [ 76.006194] RAX: ffffffff94ede2c0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 76.014169] RDX: 0000000000000000 RSI: ffff99247bc9bf70 RDI: ffffffff95ad9c50 # [ 76.022142] RBP: ffffffff95f23dd8 R08: 0000000000000001 R09: 0000000000000001 # [ 76.030117] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 76.038090] R13: ffffb6eb81347f10 R14: ffffb6eb81347f10 R15: ffff992403ec2000 # [ 76.046064] FS: 00007f216219f580(0000) GS:ffff99247bc00000(0000) knlGS:0000000000000000 # [ 76.055106] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 76.061525] CR2: ffffb6eb8067afd6 CR3: 0000000104b26000 CR4: 00000000003506f0 # EXEC_VMALLOC: saw 'call trace:': ok ok 33 selftests: lkdtm: EXEC_VMALLOC.sh # selftests: lkdtm: EXEC_RODATA.sh # Killed # [ 76.351850] lkdtm: Performing direct entry EXEC_RODATA # [ 76.361228] lkdtm: attempting ok execution at ffffffff94ede690 # [ 76.374002] lkdtm: attempting bad execution at ffffffff95ada0e0 # [ 76.386844] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 76.401369] BUG: unable to handle page fault for address: ffffffff95ada0e0 # [ 76.409052] #PF: supervisor instruction fetch in kernel mode # [ 76.415375] #PF: error_code(0x0011) - permissions violation # [ 76.421600] PGD 21829067 P4D 21829067 PUD 2182a063 PMD 80000000212001e1 # [ 76.429104] Oops: 0011 [#9] SMP PTI # [ 76.433004] CPU: 3 PID: 1772 Comm: cat Tainted: G D W 5.10.138-cip15 #1 # [ 76.441658] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 76.448283] RIP: 0010:lkdtm_rodata_do_nothing+0x0/0x10 # [ 76.454026] Code: ff ff f9 ca 56 95 ff ff ff ff ba 8c ec 95 ff ff ff ff 3f b2 56 95 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 # [ 76.475016] RSP: 0018:ffffb6eb8225fe48 EFLAGS: 00010246 # [ 76.480855] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 # [ 76.488830] RDX: 0000000000000000 RSI: ffff99247bd9bf70 RDI: ffff99247bd9bf70 # [ 76.496804] RBP: ffffffff95ada0e0 R08: 000000000[ 77.819431] lkdtm: Performing direct entry EXEC_NULL [ 77.827461] lkdtm: attempting ok execution at ffffffff94ede690 [ 77.834024] lkdtm: attempting bad execution at 0000000000000000 0000000 R09: 0000000000000000 # [ 76.504777] R10: 00000000fff[ 77.840682] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 77.854646] #PF: supervisor instruction fetch in kernel mode [ 77.860971] #PF: error_code(0x0010) - not-present page fe000 R11: 3fffffffffffffff R12: 000000000000000c # [ 76.5127[ 77.866711] PGD 0 P4D 0 [ 77.875760] Oops: 0010 [#11] SMP PTI [53 ] R13: ffffb6eb8225ff10 R14: ffffb6eb8225ff10 R15: ffff992402 77.879750] CPU: 2 PID: 1844 Comm: cat Tainted: G D W 5.10.138-cip15 #1 [ 77.894523] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 77.901144] RIP: 0010:0x0 [ 77.904075] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6. [ 77.911759] RSP: 0018:ffffb6eb82357e48 EFLAGS: 00010246 [ 77.917593] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 [ 77.925568] RDX: 0000000000000000 RSI: ffff99247bd1bf70 RDI: ffff99247bd1bf70 [ 77.933542] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 77.941515] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a [ 77.949488] R13: ffffb6eb82357f10 R14: ffffb6eb82357f10 R15: ffff992404b53000 [ 77.957466] FS: 00007f3dfe717580(0000) GS:ffff99247bd00000(0000) knlGS:0000000000000000 [ 77.966510] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 77.972931] CR2: ffffffffffffffd6 CR3: 0000000104c7c000 CR4: 00000000003506e0 [ 77.980904] Call Trace: [ 77.983647] execute_location+0x48/0x56 [ 77.987938] direct_entry.cold+0x2c/0x38 [ 77.992329] full_proxy_write+0x56/0x80 [ 77.996619] vfs_write+0xea/0x3a0 [ 78.000325] ksys_write+0x68/0xf0 [ 78.004032] do_syscall_64+0x33/0x40 [ 78.008030] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 78.013677] RIP: 0033:0x7f3dfe63ff33 [ 78.017675] 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 [ 78.038660] RSP: 002b:00007ffd942b0f28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 78.047113] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f3dfe63ff33 [ 78.055087] RDX: 000000000000000a RSI: 00007f3dfe530000 RDI: 0000000000000001 [ 78.063062] RBP: 00007f3dfe530000 R08: 00007f3dfe52f010 R09: 0000000000000000 [ 78.071038] R10: 00007f3dfe73a1c0 R11: 0000000000000246 R12: 0000000000000001 [ 78.079010] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 88000 # [ 76.520729] FS: 00007f9eb6548580(0000) GS:ffff99247[ 78.086996] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 78.109144] CR2: 0000000000000000 [ 78.112849] ---[ end trace b14a4b6e2783027d ]--- [ 78.118013] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 78.122394] Code: 89 ff e8 6e bb a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 50 f2 73 02 [ 78.143376] RSP: 0018:ffffb6eb81347e60 EFLAGS: 00010286 [ 78.149217] RAX: ffffffff94ede2c0 RBX: 0000000000000001 RCX: 0000000000000000 [ 78.157192] RDX: 0000000000000000 RSI: ffff99247bc9bf70 RDI: ffffffff95ad9c50 [ 78.165169] RBP: ffffffff95f23dd8 R08: 0000000000000001 R09: 0000000000000001 [ 78.173142] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 78.181115] R13: ffffb6eb81347f10 R14: ffffb6eb81347f10 R15: ffff992403ec2000 [ 78.189090] FS: 00007f3dfe717580(0000) GS:ffff99247bd00000(0000) knlGS:0000000000000000 [ 78.198133] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 78.204554] CR2: ffffffffffffffd6 CR3: 0000000104c7c000 CR4: 00000000003506e0 [ 78.212532] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 78.222452] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1844, name: cat [ 78.230914] INFO: lockdep is turned off. [ 78.235293] irq event stamp: 0 [ 78.238704] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 78.245710] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 78.254850] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 78.263989] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 78.270995] CPU: 2 PID: 1844 Comm: cat Tainted: G D W 5.10.138-cip15 #1 [ 78.279648] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 78.286261] Call Trace: [ 78.288998] dump_stack+0x77/0x9b [ 78.292704] ___might_sleep.cold+0xa6/0xb6 [ 78.297285] exit_signals+0x1c/0x2e0 [ 78.301283] do_exit+0xd5/0xb00 [ 78.304795] ? ksys_write+0x68/0xf0 [ 78.308688] rewind_stack_do_exit+0x17/0x20 [ 78.313364] RIP: 0033:0x7f3dfe63ff33 [ 78.317360] 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 [ 78.338347] RSP: 002b:00007ffd942b0f28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 78.346809] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f3dfe63ff33 [ 78.354782] RDX: 000000000000000a RSI: 00007f3dfe530000 RDI: 0000000000000001 [ 78.362757] RBP: 00007f3dfe530000 R08: 00007f3dfe52f010 R09: 0000000000000000 [ 78.370732] R10: 00007f3dfe73a1c0 R11: 0000000000000246 R12: 0000000000000001 [ 78.378706] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 bd80000(0000) knlGS:0000000000000000 # [ 76.529771] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 76.536193] CR2: ffffffff95ada0e0 CR3: 0000000103b74000 CR4: 00000000003506e0 # [ 76.544166] Call Trace: # [ 76.546908] ? execute_location+0x48/0x56 # [ 76.551391] ? direct_entry.cold+0x2c/0x38 # [ 76.555977] ? full_proxy_write+0x56/0x80 # [ 76.560462] ? vfs_write+0xea/0x3a0 # [ 76.564362] ? ksys_write+0x68/0xf0 # [ 76.568266] ? do_syscall_64+0x33/0x40 # [ 76.572457] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 76.578297] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 76.594268] CR2: ffffffff95ada0e0 # [ 76.597974] ---[ end trace b14a4b6e2783027b ]--- # [ 76.603128] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 76.607511] Code: 89 ff e8 6e bb a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 50 f2 73 02 # [ 76.628500] RSP: 0018:ffffb6eb81347e60 EFLAGS: 00010286 # [ 76.634341] RAX: ffffffff94ede2c0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 76.642316] RDX: 0000000000000000 RSI: ffff99247bc9bf70 RDI: ffffffff95ad9c50 # [ 76.650291] RBP: ffffffff95f23dd8 R08: 0000000000000001 R09: 0000000000000001 # [ 76.658264] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 76.666238] R13: ffffb6eb81347f10 R14: ffffb6eb81347f10 R15: ffff992403ec2000 # [ 76.674215] FS: 00007f9eb6548580(0000) GS:ffff99247bd80000(0000) knlGS:0000000000000000 # [ 76.683257] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 76.689678] CR2: ffffffff95ada0e0 CR3: 0000000103b74000 CR4: 00000000003506e0 # [ 76.697657] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 76.707574] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1772, name: cat # [ 76.716032] INFO: lockdep is turned off. # [ 76.720410] irq event stamp: 0 # [ 76.723825] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 76.730822] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 76.739962] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 76.749102] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 76.756107] CPU: 3 PID: 1772 Comm: cat Tainted: G D W 5.10.138-cip15 #1 # [ 76.764759] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 76.771374] Call Trace: # [ 76.774112] dump_stack+0x77/0x9b # [ 76.777819] ___might_sleep.cold+0xa6/0xb6 # [ 76.782402] exit_signals+0x1c/0x2e0 # [ 76.786399] do_exit+0xd5/0xb00 # [ 76.789900] ? ksys_write+0x68/0xf0 # [ 76.793805] rewind_stack_do_exit+0x17/0x20 # [ 76.798479] RIP: 0033:0x7f9eb6470f33 # [ 76.802473] 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 # [ 76.823462] RSP: 002b:00007ffe35c3de48 EFLAGS: 000002[ 78.695506] lkdtm: Performing direct entry ACCESS_USERSPACE 46 ORIG_RAX: 0000000000000001 # [ 76.831918] RAX: fffffffffff[ 78.703810] lkdtm: attempting bad read at 00007fda780fd000 fffda RBX: 000000000000000c RCX: 00007f9eb6470f33 # [ 76.8398[ 78.716165] BUG: unable to handle page fault for address: 00007fda780fd000 [ 78.730021] #PF: supervisor read access in kernel mode [ 78.735764] #PF: error_code(0x0001) - permissions violation [ 78.741990] PGD 8000000102ccc067 P4D 8000000102ccc067 PUD 10384a067 PMD 104be1067 PTE 114373067 [ 78.751733] Oops: 0001 [#12] SMP PTI [ 78.755730] CPU: 3 PID: 1879 Comm: cat Tainted: G D W 5.10.138-cip15 #1 [ 78.764376] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 78.771000] RIP: 0010:lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3 [ 78.777231] Code: 00 00 00 75 64 48 83 c4 10 5d c3 cc cc cc cc 48 89 ee 48 c7 c7 d8 99 ec 95 e8 08 9a fd ff 48 c7 c7 00 9a ec 95 b8 de c0 de c0 <48> 03 45 00 48 89 04 24 e8 ef 99 fd ff 48 89 ee 48 c7 c7 28 9a ec [ 78.798218] RSP: 0018:ffffb6eb823dfe48 EFLAGS: 00010246 [ 78.804059] RAX: 00000000c0dec0de RBX: 0000000000000026 RCX: 0000000000000000 [ 78.812032] RDX: 0000000000000000 RSI: ffff99247bd9bf70 RDI: ffffffff95ec9a00 [ 78.820007] RBP: 00007fda780fd000 R08: 0000000000000000 R09: 0000000000000000 [ 78.827982] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000011 [ 78.835957] R13: ffffb6eb823dff10 R14: ffffb6eb823dff10 R15: ffff9924026b8000 [ 78.843933] FS: 00007fda780ce580(0000) GS:ffff99247bd80000(0000) knlGS:0000000000000000 [ 78.852980] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 78.859401] CR2: 00007fda780fd000 CR3: 0000000104f5c000 CR4: 00000000003506e0 [ 78.867376] Call Trace: [ 78.870120] direct_entry.cold+0x2c/0x38 [ 78.874511] full_proxy_write+0x56/0x80 [ 78.878802] vfs_write+0xea/0x3a0 [ 78.882509] ksys_write+0x68/0xf0 [ 78.886221] do_syscall_64+0x33/0x40 [ 78.890220] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 78.895870] RIP: 0033:0x7fda77ff6f33 [ 78.899867] 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 [ 78.920855] RSP: 002b:00007ffe6bafa848 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 78.929310] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007fda77ff6f33 [ 78.937282] RDX: 0000000000000011 RSI: 00007fda77ee7000 RDI: 0000000000000001 [ 78.945255] RBP: 00007fda77ee7000 R08: 00007fda77ee6010 R09: 0000000000000000 [ 78.953230] R10: 00007fda780f11c0 R11: 0000000000000246 R12: 0000000000000001 [ 78.961205] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 78.969188] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 78.985159] CR2: 00007fda780fd000 [ 78.988866] ---[ end trace b14a4b6e2783027e ]--- [ 78.994031] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 78.998415] Code: 89 ff e8 6e bb a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 50 f2 73 02 [ 79.019401] RSP: 0018:ffffb6eb81347e60 EFLAGS: 00010286 [ 79.025243] RAX: ffffffff94ede2c0 RBX: 0000000000000001 RCX: 0000000000000000 [ 79.033216] RDX: 0000000000000000 RSI: ffff99247bc9bf70 RDI: ffffffff95ad9c50 [ 79.041190] RBP: ffffffff95f23dd8 R08: 0000000000000001 R09: 0000000000000001 [ 79.049166] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 79.057140] R13: ffffb6eb81347f10 R14: ffffb6eb81347f10 R15: ffff992403ec2000 [ 79.065117] FS: 00007fda780ce580(0000) GS:ffff99247bd80000(0000) knlGS:0000000000000000 [ 79.074159] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 79.080578] CR2: 00007fda780fd000 CR3: 0000000104f5c000 CR4: 00000000003506e0 92] RDX: 000000000000000c RSI: 00007f9eb6361000 RDI: 0000000000000001 # [ 76.847866] RBP: 00007f9eb6361000 R08: 00007f9eb6360010 R09: 0000000000000000 # [ 76.855841] R10: 00007f9eb656b1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 76.863815] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # EXEC_RODATA: saw 'call trace:': ok ok 34 selftests: lkdtm: EXEC_RODATA.sh # selftests: lkdtm: EXEC_USERSPACE.sh # Killed # [ 77.184133] lkdtm: Performing direct entry EXEC_USERSPACE # [ 77.194919] lkdtm: attempting ok execution at ffffffff94ede690 # [ 77.207741] lkdtm: attempting bad execution at 00007fb6f75fd000 # [ 77.220585] unable to execute userspace code (SMEP?) (uid: 0) # [ 77.233171] BUG: unable to handle page fault for address: 00007fb6f75fd000 # [ 77.240857] #PF: supervisor instruction fetch in kernel mode # [ 77.253386] #PF: error_code(0x0011) - permissions violation # [ 77.259613] PGD 800000010388f067 P4D 800000010388f067 PUD 103b30067 PMD 103fa5067 PTE 114b7e067 # [ 77.275561] Oops: 0011 [#10] SMP PTI # [ 77.279562] CPU: 0 PID: 1808 Comm: cat Tainted: G D W 5.10.138-cip15 #1 # [ 77.294421] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 77.301043] RIP: 0010:0x7fb6f75fd000 # [ 77.305036] Code: Unable to access opcode bytes at RIP 0x7fb6f75fcfd6. # [ 77.312332] RSP: 0018:ffffb6eb822dfe50 EFLAGS: 00010246 # [ 77.318178] RAX: 0000000000000033 RBX: 0000000000000024 RCX: 0000000000000000 # [ 77.326152] RDX: 0000000000000000 RSI: ffff99247bc1bf70 RDI: ffff99247bc1bf70 # [ 77.334126] RBP: 00007fb6f75fd000 R08: 0000000000000000 R09: 0000000000000000 # [ 77.342099] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000f # [ 77.350074] R13: ffffb6eb822dff10 R14: ffffb6eb822dff10 R15: ffff992404c33000 # [ 77.358053] FS: 00007fb6f75ce580(0000) GS:ffff99247bc00000(0000) knlGS:0000000000000000 # [ 77.367094] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 77.373513] CR2: 00007fb6f75fd000 CR3: 0000000103d86000 CR4: 00000000003506f0 # [ 77.381490] Call Trace: # [ 77.384238] ? lkdtm_EXEC_USERSPACE.cold+0x69/0xae # [ 77.389595] ? direct_entry.cold+0x2c/0x38 # [ 77.394181] ? full_proxy_write+0x56/0x80 # [ 77.398669] ? vfs_write+0xea/0x3a0 # [ 77.402570] ? ksys_write+0x68/0xf0 # [ 77.406472] ? do_syscall_64+0x33/0x40 # [ 77.410662] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 77.416509] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 77.438696] CR2: 00007fb6f75fd000 # [ 77.442402] ---[ end trace b14a4b6e2783027c ]--- # [ 77.447566] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 77.451949] Code: 89 ff e8 6e bb a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 50 f2 73 02 # [ 77.472939] RSP: 0018:ffffb6eb81347e60 EFLAGS: 00010286 # [ 77.484988] RAX: ffffffff94ede2c0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 77.492963] RDX: 0000000000000000 RSI: ffff99247bc9bf70 RDI: ffffffff95ad9c50 # [ 77.500940] RBP: ffffffff95f23dd8 R08: 0000000000000001 R09: 0000000000000001 # [ 77.508915] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 77.516889] R13: ffffb6eb81347f10 R14: ffffb6eb81347f10 R15: f[ 79.419860] lkdtm: Performing direct entry ACCESS_NULL [ 79.429967] lkdtm: attempting bad read at 0000000000000000 [ 79.436143] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 79.443930] #PF: supervisor read access in kernel mode fff992403ec2000 # [ 77.524867] FS: 00007fb6f75ce580(0000) GS[ 79.449673] #PF: error_code(0x0000) - not-present page :ffff99247bc00000(0000) knlGS:0000000000000000 # [ 77.533911][ 79.461617] PGD 0 P4D 0 [ 79.470669] Oops: 0000 [#13] SMP PTI CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 77.540[ 79.474668] CPU: 2 PID: 1914 Comm: cat Tainted: G D W 5.10.138-cip15 #1 [ 79.489527] Hardware name: Google Coral/Coral, BIOS 09/29/2020 334] CR2: 00007fb6f75fd000 CR3: 0000000103d86000 CR4: 0000000000[ 79.496150] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53 [ 79.507623] Code: ac 99 fd ff be 00 10 00 00 48 89 ef e8 5c b9 39 ff e9 69 ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 d8 99 ec 95 e8 86 99 fd ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 00 9a ec 95 48 01 3506f0 # EXEC_USERSPACE: saw 'call trace:': ok ok 35 selftests[ 79.528605] RSP: 0018:ffffb6eb82447e58 EFLAGS: 00010246 [ 79.540651] RAX: 000000000000002e RBX: 0000000000000027 RCX: 0000000000000000 [ 79.548627] RDX: 0000000000000000 RSI: ffff99247bd1bf70 RDI: ffff99247bd1bf70 [ 79.556602] RBP: ffffffff95ec8ac9 R08: 0000000000000000 R09: 0000000000000000 [ 79.564575] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c [ 79.572549] R13: ffffb6eb82447f10 R14: ffffb6eb82447f10 R15: ffff9924059f3000 [ 79.580524] FS: 00007f9abf35c580(0000) GS:ffff99247bd00000(0000) knlGS:0000000000000000 [ 79.589564] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 79.595985] CR2: 0000000000000000 CR3: 0000000104f5c000 CR4: 00000000003506e0 [ 79.603958] Call Trace: [ 79.606704] direct_entry.cold+0x2c/0x38 [ 79.611100] full_proxy_write+0x56/0x80 [ 79.615383] vfs_write+0xea/0x3a0 [ 79.619087] ksys_write+0x68/0xf0 [ 79.622797] do_syscall_64+0x33/0x40 [ 79.626794] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 79.632441] RIP: 0033:0x7f9abf284f33 [ 79.636438] 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 [ 79.657419] RSP: 002b:00007ffd879f94b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 79.665880] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f9abf284f33 [ 79.673854] RDX: 000000000000000c RSI: 00007f9abf175000 RDI: 0000000000000001 [ 79.681827] RBP: 00007f9abf175000 R08: 00007f9abf174010 R09: 0000000000000000 [ 79.689797] R10: 00007f9abf37f1c0 R11: 0000000000000246 R12: 0000000000000001 [ 79.697772] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 79.705758] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 79.721728] CR2: 0000000000000000 [ 79.725437] ---[ end trace b14a4b6e2783027f ]--- [ 79.730599] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 79.734984] Code: 89 ff e8 6e bb a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 50 f2 73 02 [ 79.755960] RSP: 0018:ffffb6eb81347e60 EFLAGS: 00010286 [ 79.761799] RAX: ffffffff94ede2c0 RBX: 0000000000000001 RCX: 0000000000000000 [ 79.769771] RDX: 0000000000000000 RSI: ffff99247bc9bf70 RDI: ffffffff95ad9c50 [ 79.777744] RBP: ffffffff95f23dd8 R08: 0000000000000001 R09: 0000000000000001 [ 79.785720] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 79.793695] R13: ffffb6eb81347f10 R14: ffffb6eb81347f10 R15: ffff992403ec2000 [ 79.801671] FS: 00007f9abf35c580(0000) GS:ffff99247bd00000(0000) knlGS:0000000000000000 [ 79.810713] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 79.817133] CR2: 0000000000000000 CR3: 0000000104f5c000 CR4: 00000000003506e0 [ 79.825108] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 79.835025] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1914, name: cat [ 79.843484] INFO: lockdep is turned off. [ 79.847864] irq event stamp: 0 [ 79.851275] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 79.858281] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 79.867423] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 79.876564] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 79.883571] CPU: 2 PID: 1914 Comm: cat Tainted: G D W 5.10.138-cip15 #1 [ 79.892226] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 79.898838] Call Trace: [ 79.901572] dump_stack+0x77/0x9b [ 79.905281] ___might_sleep.cold+0xa6/0xb6 [ 79.909861] exit_signals+0x1c/0x2e0 [ 79.913856] do_exit+0xd5/0xb00 [ 79.917368] ? ksys_write+0x68/0xf0 [ 79.921263] rewind_stack_do_exit+0x17/0x20 [ 79.925936] RIP: 0033:0x7f9abf284f33 [ 79.929929] 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 [ 79.950919] RSP: 002b:00007ffd879f94b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 79.959380] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f9abf284f33 [ 79.967355] RDX: 000000000000000c RSI: 00007f9abf175000 RDI: 0000000000000001 [ 79.975330] RBP: 00007f9abf175000 R08: 00007f9abf174010 R09: 0000000000000000 [ 79.983306] R10: 00007f9abf37f1c0 R11: 0000000000000246 R12: 0000000000000001 [ 79.991279] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 : lkdtm: EXEC_USERSPACE.sh # selftests: lkdtm: EXEC_NULL.sh # Killed # [ 77.819431] lkdtm: Performing direct entry EXEC_NULL # [ 77.827461] lkdtm: attempting ok execution at ffffffff94ede690 # [ 77.834024] lkdtm: attempting bad execution at 0000000000000000 # [ 77.840682] BUG: kernel NULL pointer dereference, address: 0000000000000000 # [ 77.854646] #PF: supervisor instruction fetch in kernel mode # [ 77.860971] #PF: error_code(0x0010) - not-present page # [ 77.866711] PGD 0 P4D 0 # [ 77.875760] Oops: 0010 [#11] SMP PTI # [ 77.879750] CPU: 2 PID: 1844 Comm: cat Tainted: G D W 5.10.138-cip15 #1 # [ 77.894523] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 77.901144] RIP: 0010:0x0 # [ 77.904075] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6. # [ 77.911759] RSP: 0018:ffffb6eb82357e48 EFLAGS: 00010246 # [ 77.917593] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 # [ 77.925568] RDX: 0000000000000000 RSI: ffff99247bd1bf70 RDI: ffff99247bd1bf70 # [ 77.933542] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 # [ 77.941515] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 77.949488] R13: ffffb6eb82357f10 R14: ffffb6eb82357f10 R15: ffff992404b53000 # [ 77.957466] FS: 00007f3dfe717580(0000) GS:ffff99247bd00000(0000) knlGS:0000000000000000 # [ 77.966510] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 77.972931] CR2: ffffffffffffffd6 CR3: 0000000104c7c000 CR4: 00000000003506e0 # [ 77.980904] Call Trace: # [ 77.983647] execute_location+0x48/0x56 # [ 77.987938] direct_entry.cold+0x2c/0x38 # [ 77.992329] full_proxy_write+0x56/0x80 # [ 77.996619] vfs_write+0xea/0x3a0 # [ 78.000325] ksys_write+0x68/0xf0 # [ 78.004032] do_syscall_64+0x33/0x40 # [ 78.008030] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 78.013677] RIP: 0033:0x7f3dfe63ff33 # [ 78.017675] 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 # [ 78.038660] RSP: 002b:00007ffd942b0f28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 78.047113] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f3dfe63ff33 # [ 78.055087] RDX: 000000000000000a RSI: 00007f3dfe530000 RDI: 0000000000000001 # [ 78.063062] RBP: 00007f3dfe530000 R08: 00007f3dfe52f010 R09: 0000000000000000 # [ 78.071038] R10: 00007f3dfe73a1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 78.079010] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 78.086996] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 78.109144] CR2: 0000000000000000 # [ 78.112849] ---[ end trace b14a4b6e2783027d ]--- # [ 78.118013] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 78.122394] Code: 89 ff e8 6e bb a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 50 f2 73 02 # [ 78.143376] RSP: 0018:ffffb6eb81347e60 EFLAGS: 00010286 # [ 78.149217] RAX: ffffffff94ede2c0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 78.157192] RDX: 0000000000000000 RSI: ffff99247bc9bf70 RDI: ffffffff95ad9c50 # [ 78.165169] RBP: ffffffff95f23dd8 R08: 0000000000000001 R09: 0000000000000001 #[ 80.339763] lkdtm: Performing direct entry WRITE_RO [ 78.173142] R10: 00000000ffffe000 R11: 3fffffffffffffff R12:[ 80.346683] lkdtm: attempting bad rodata write at ffffffff95ada0d0 0000000000000004 # [ 78.181115] R13: ffffb6eb81347f10 R14: f[ 80.359826] BUG: unable to handle page fault for address: ffffffff95ada0d0 [ 80.373693] #PF: supervisor write access in kernel mode [ 80.379535] #PF: error_code(0x0003) - permissions violation [ 80.385763] PGD 21829067 P4D 21829067 PUD 2182a063 PMD 80000000212001e1 [ 80.393271] Oops: 0003 [#14] SMP PTI [ 80.397261] CPU: 3 PID: 1949 Comm: cat Tainted: G D W 5.10.138-cip15 #1 [ 80.405914] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 80.412540] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a [ 80.417508] Code: 00 48 c7 c7 b8 98 ec 95 48 c7 c6 d0 a0 ad 95 e8 30 9c fd ff 48 8b 05 46 eb 56 00 ba 34 12 cd ab 48 c7 c7 e8 98 ec 95 48 31 d0 <48> 89 05 30 eb 56 00 e9 0e 9c fd ff 0f 1f 44 00 00 48 8b 05 77 ad [ 80.438487] RSP: 0018:ffffb6eb824cfe60 EFLAGS: 00010202 [ 80.444329] RAX: 000000000198b861 RBX: 0000000000000028 RCX: 0000000000000000 [ 80.452304] RDX: 00000000abcd1234 RSI: ffff99247bd9bf70 RDI: ffffffff95ec98e8 [ 80.460276] RBP: ffffffff95ec8ad5 R08: 0000000000000000 R09: 0000000000000000 [ 80.468250] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000009 [ 80.476223] R13: ffffb6eb824cff10 R14: ffffb6eb824cff10 R15: ffff992403da8000 [ 80.484198] FS: 00007f5c66e79580(0000) GS:ffff99247bd80000(0000) knlGS:0000000000000000 [ 80.493239] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 80.499658] CR2: ffffffff95ada0d0 CR3: 0000000103194000 CR4: 00000000003506e0 [ 80.507631] Call Trace: [ 80.510369] direct_entry.cold+0x2c/0x38 [ 80.514765] full_proxy_write+0x56/0x80 [ 80.519058] vfs_write+0xea/0x3a0 [ 80.522765] ksys_write+0x68/0xf0 [ 80.526473] do_syscall_64+0x33/0x40 [ 80.530473] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 80.536120] RIP: 0033:0x7f5c66da1f33 [ 80.540115] 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 [ 80.561099] RSP: 002b:00007ffc505ee298 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 80.569562] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f5c66da1f33 [ 80.577534] RDX: 0000000000000009 RSI: 00007f5c66c92000 RDI: 0000000000000001 [ 80.585507] RBP: 00007f5c66c92000 R08: 00007f5c66c91010 R09: 0000000000000000 [ 80.593481] R10: 00007f5c66e9c1c0 R11: 0000000000000246 R12: 0000000000000001 [ 80.601457] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 80.609442] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 80.625415] CR2: ffffffff95ada0d0 [ 80.629115] ---[ end trace b14a4b6e27830280 ]--- [ 80.634280] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 80.638665] Code: 89 ff e8 6e bb a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 50 f2 73 02 [ 80.659631] RSP: 0018:ffffb6eb81347e60 EFLAGS: 00010286 [ 80.665470] RAX: ffffffff94ede2c0 RBX: 0000000000000001 RCX: 0000000000000000 [ 80.673443] RDX: 0000000000000000 RSI: ffff99247bc9bf70 RDI: ffffffff95ad9c50 [ 80.681417] RBP: ffffffff95f23dd8 R08: 0000000000000001 R09: 0000000000000001 [ 80.689391] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 80.697366] R13: ffffb6eb81347f10 R14: ffffb6eb81347f10 R15: ffff992403ec2000 [ 80.705341] FS: 00007f5c66e79580(0000) GS:ffff99247bd80000(0000) knlGS:0000000000000000 [ 80.714386] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 80.720806] CR2: ffffffff95ada0d0 CR3: 0000000103194000 CR4: 00000000003506e0 fffb6eb81347f10 R15: ffff992403ec2000 # [ 78.189090] FS: 00007f3dfe717580(0000) GS:ffff99247bd00000(0000) knlGS:0000000000000000 # [ 78.198133] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 78.204554] CR2: ffffffffffffffd6 CR3: 0000000104c7c000 CR4: 00000000003506e0 # [ 78.212532] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 78.222452] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1844, name: cat # [ 78.230914] INFO: lockdep is turned off. # [ 78.235293] irq event stamp: 0 # [ 78.238704] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 78.245710] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 78.254850] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 78.263989] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 78.270995] CPU: 2 PID: 1844 Comm: cat Tainted: G D W 5.10.138-cip15 #1 # [ 78.279648] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 78.286261] Call Trace: # [ 78.288998] dump_stack+0x77/0x9b # [ 78.292704] ___might_sleep.cold+0xa6/0xb6 # [ 78.297285] exit_signals+0x1c/0x2e0 # [ 78.301283] do_exit+0xd5/0xb00 # [ 78.304795] ? ksys_write+0x68/0xf0 # [ 78.308688] rewind_stack_do_exit+0x17/0x20 # [ 78.313364] RIP: 0033:0x7f3dfe63ff33 # [ 78.317360] 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 # [ 78.338347] RSP: 002b:00007ffd942b0f28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 78.346809] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f3dfe63ff33 # [ 78.354782] RDX: 000000000000000a RSI: 00007f3dfe530000 RDI: 0000000000000001 # [ 78.362757] RBP: 00007f3dfe530000 R08: 00007f3dfe52f010 R09: 0000000000000000 # [ 78.370732] R10: 00007f3dfe73a1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 78.378706] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # EXEC_NULL: saw 'call trace:': ok ok 36 selftests: lkdtm: EXEC_NULL.sh # selftests: lkdtm: ACCESS_USERSPACE.sh # Killed # [ 78.695506] lkdtm: Performing direct entry ACCESS_USERSPACE # [ 78.703810] lkdtm: attempting bad read at 00007fda780fd000 # [ 78.716165] BUG: unable to handle page fault for address: 00007fda780fd000 # [ 78.730021] #PF: supervisor read access in kernel mode # [ 78.735764] #PF: error_code(0x0001) - permissions violation # [ 78.741990] PGD 8000000102ccc067 P4D 8000000102ccc067 PUD 10384a067 PMD 104be1067 PTE 114373067 # [ 78.751733] Oops: 0001 [#12] SMP PTI # [ 78.755730] CPU: 3 PID: 1879 Comm: cat Tainted: G D W 5.10.138-cip15 #1 # [ 78.764376] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 78.771000] RIP: 0010:lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3 # [ 78.777231] Code: 00 00 00 75 64 48 83 c4 10 5d c3 cc cc cc cc 48 89 ee 48 c7 c7 d8 99 ec 95 e8 08 9a fd ff 48 c7 c7 00 9a ec 95 b8 de c0 de c0 <48> 03 45 00 48 89 04 24[ 81.028086] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT e8 ef 99 fd ff 48 89 ee 48 c7 c7 28 9a ec # [ 78.798218] RSP[ 81.040002] lkdtm: attempting bad ro_after_init write at ffffffff95f46328 : 0018:ffffb6eb823dfe48 EFLAGS: 00010246 # [ 78.804059] RAX: [ 81.053792] BUG: unable to handle page fault for address: ffffffff95f46328 [ 81.067644] #PF: supervisor write access in kernel mode [ 81.073484] #PF: error_code(0x0003) - permissions violation [ 81.079710] PGD 21829067 P4D 21829067 PUD 2182a063 PMD 1049a0163 PTE 8000000021746061 [ 81.088479] Oops: 0003 [#15] SMP PTI [ 81.092477] CPU: 3 PID: 1984 Comm: cat Tainted: G D W 5.10.138-cip15 #1 [ 81.101130] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 81.107755] RIP: 0010:lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a [ 81.113791] Code: 99 ec 95 e9 e2 9b fd ff 48 c7 c7 40 99 ec 95 e8 d6 9b fd ff 48 8b 05 44 ad 9d 00 ba 34 12 cd ab 48 c7 c7 e8 98 ec 95 48 31 d0 <48> 89 05 2e ad 9d 00 e9 b4 9b fd ff 0f 1f 44 00 00 41 54 48 c7 c7 [ 81.134770] RSP: 0018:ffffb6eb82537e60 EFLAGS: 00010202 [ 81.140609] RAX: 00000000fe67479e RBX: 0000000000000029 RCX: 0000000000000000 [ 81.148581] RDX: 00000000abcd1234 RSI: ffff99247bd9bf70 RDI: ffffffff95ec98e8 [ 81.156553] RBP: ffffffff95ec8ade R08: 0000000000000000 R09: 0000000000000000 [ 81.164526] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000014 [ 81.172498] R13: ffffb6eb82537f10 R14: ffffb6eb82537f10 R15: ffff9924058a2000 [ 81.180470] FS: 00007f37e19a9580(0000) GS:ffff99247bd80000(0000) knlGS:0000000000000000 [ 81.189511] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 81.195930] CR2: ffffffff95f46328 CR3: 0000000103b98000 CR4: 00000000003506e0 [ 81.203904] Call Trace: [ 81.206644] direct_entry.cold+0x2c/0x38 [ 81.211040] full_proxy_write+0x56/0x80 [ 81.215332] vfs_write+0xea/0x3a0 [ 81.219037] ksys_write+0x68/0xf0 [ 81.222747] do_syscall_64+0x33/0x40 [ 81.226743] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 81.232387] RIP: 0033:0x7f37e18d1f33 [ 81.236383] 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 [ 81.257357] RSP: 002b:00007ffe2a120058 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 81.265816] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f37e18d1f33 [ 81.273782] RDX: 0000000000000014 RSI: 00007f37e17c2000 RDI: 0000000000000001 [ 81.281750] RBP: 00007f37e17c2000 R08: 00007f37e17c1010 R09: 0000000000000000 [ 81.289722] R10: 00007f37e19cc1c0 R11: 0000000000000246 R12: 0000000000000001 [ 81.297690] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 81.305671] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 81.321639] CR2: ffffffff95f46328 [ 81.325345] ---[ end trace b14a4b6e27830281 ]--- [ 81.330509] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 81.334894] Code: 89 ff e8 6e bb a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 50 f2 73 02 [ 81.355879] RSP: 0018:ffffb6eb81347e60 EFLAGS: 00010286 [ 81.361720] RAX: ffffffff94ede2c0 RBX: 0000000000000001 RCX: 0000000000000000 [ 81.369693] RDX: 0000000000000000 RSI: ffff99247bc9bf70 RDI: ffffffff95ad9c50 [ 81.377665] RBP: ffffffff95f23dd8 R08: 0000000000000001 R09: 0000000000000001 [ 81.385640] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 81.393614] R13: ffffb6eb81347f10 R14: ffffb6eb81347f10 R15: ffff992403ec2000 [ 81.401588] FS: 00007f37e19a9580(0000) GS:ffff99247bd80000(0000) knlGS:0000000000000000 [ 81.410630] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 81.417050] CR2: ffffffff95f46328 CR3: 0000000103b98000 CR4: 00000000003506e0 [ 81.425025] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 81.434942] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1984, name: cat [ 81.443401] INFO: lockdep is turned off. [ 81.447780] irq event stamp: 0 [ 81.451190] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 81.458194] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 81.467334] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 81.476474] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 81.483480] CPU: 3 PID: 1984 Comm: cat Tainted: G D W 5.10.138-cip15 #1 [ 81.492132] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 81.498746] Call Trace: [ 81.501484] dump_stack+0x77/0x9b [ 81.505193] ___might_sleep.cold+0xa6/0xb6 [ 81.509774] exit_signals+0x1c/0x2e0 [ 81.513769] do_exit+0xd5/0xb00 [ 81.517281] ? ksys_write+0x68/0xf0 [ 81.521183] rewind_stack_do_exit+0x17/0x20 [ 81.525858] RIP: 0033:0x7f37e18d1f33 [ 81.529853] 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 [ 81.550838] RSP: 002b:00007ffe2a120058 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 81.559301] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f37e18d1f33 [ 81.567275] RDX: 0000000000000014 RSI: 00007f37e17c2000 RDI: 0000000000000001 [ 81.575250] RBP: 00007f37e17c2000 R08: 00007f37e17c1010 R09: 0000000000000000 [ 81.583225] R10: 00007f37e19cc1c0 R11: 0000000000000246 R12: 0000000000000001 [ 81.591199] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 00000000c0dec0de RBX: 0000000000000026 RCX: 0000000000000000 # [ 78.812032] RDX: 0000000000000000 RSI: ffff99247bd9bf70 RDI: ffffffff95ec9a00 # [ 78.820007] RBP: 00007fda780fd000 R08: 0000000000000000 R09: 0000000000000000 # [ 78.827982] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000011 # [ 78.835957] R13: ffffb6eb823dff10 R14: ffffb6eb823dff10 R15: ffff9924026b8000 # [ 78.843933] FS: 00007fda780ce580(0000) GS:ffff99247bd80000(0000) knlGS:0000000000000000 # [ 78.852980] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 78.859401] CR2: 00007fda780fd000 CR3: 0000000104f5c000 CR4: 00000000003506e0 # [ 78.867376] Call Trace: # [ 78.870120] direct_entry.cold+0x2c/0x38 # [ 78.874511] full_proxy_write+0x56/0x80 # [ 78.878802] vfs_write+0xea/0x3a0 # [ 78.882509] ksys_write+0x68/0xf0 # [ 78.886221] do_syscall_64+0x33/0x40 # [ 78.890220] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 78.895870] RIP: 0033:0x7fda77ff6f33 # [ 78.899867] 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 # [ 78.920855] RSP: 002b:00007ffe6bafa848 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 78.929310] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007fda77ff6f33 # [ 78.937282] RDX: 0000000000000011 RSI: 00007fda77ee7000 RDI: 0000000000000001 # [ 78.945255] RBP: 00007fda77ee7000 R08: 00007fda77ee6010 R09: 0000000000000000 # [ 78.953230] R10: 00007fda780f11c0 R11: 0000000000000246 R12: 0000000000000001 # [ 78.961205] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 78.969188] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 78.985159] CR2: 00007fda780fd000 # [ 78.988866] ---[ end trace b14a4b6e2783027e ]--- # [ 78.994031] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 78.998415] Code: 89 ff e8 6e bb a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 50 f2 73 02 # [ 79.019401] RSP: 0018:ffffb6eb81347e60 EFLAGS: 00010286 # [ 79.025243] RAX: ffffffff94ede2c0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 79.033216] RDX: 0000000000000000 RSI: ffff99247bc9bf70 RDI: ffffffff95ad9c50 # [ 79.041190] RBP: ffffffff95f23dd8 R08: 0000000000000001 R09: 0000000000000001 # [ 79.049166] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 79.057140] R13: ffffb6eb81347f10 R14: ffffb6eb81347f10 R15: ffff992403ec2000 # [ 79.065117] FS: 00007fda780ce580(0000) GS:ffff99247bd80000(0000) knlGS:0000000000000000 # [ 79.074159] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 79.080578] CR2: 00007fda780fd000 CR3: 0000000104f5c000 CR4: 00000000003506e0 # ACCESS_USERSPACE: saw 'call trace:': ok ok 37 selftests: lkdtm: ACCESS_USERSPACE.sh # selftests: lkdtm: ACCESS_NULL.sh # Killed # [ 79.419860] lkdtm: Performing direct entry ACCESS_NULL # [ 79.429967] lkdtm: attempting bad read at 0000000000000000 # [ 79.436143] BUG: kernel NULL pointer dereference, address: 0000000000000000 # [ 79.443930] #PF: supervisor read access in kernel mode # [ 79.449673] #PF: error_code(0x0000) - not-present page # [ 79.461617][ 81.929809] lkdtm: Performing direct entry WRITE_KERN [ 81.940501] lkdtm: attempting bad 6868596 byte write at ffffffff9556b504 PGD 0 P4D 0 # [ 79.470669] Oops: 0000 [#13] SMP PTI # [ [ 81.948048] BUG: unable to handle page fault for address: ffffffff9556b504 [ 81.961923] #PF: supervisor write access in kernel mode 79.474668] CPU: 2 PID: 1914 Comm: cat Tainted: G D W [ 81.967762] #PF: error_code(0x0003) - permissions violation 5.10.138-cip15 #1 # [ 79.489527] Hardware name: Google Cora[ 81.980200] PGD 21829067 P4D 21829067 PUD 2182a063 PMD 20c001e1 [ 81.993140] Oops: 0003 [#16] SMP PTI l[/Coral, BIOS 09/29/2020 # [ 79.496150] RIP: 0010:lkdtm_ACCE 81.997137] CPU: 1 PID: 2019 Comm: cat Tainted: G D W 5.10.138-cip15 #1 [ 82.012006] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 82.018631] RIP: 0010:lkdtm_WRITE_KERN+0x38/0x4e [ 82.023796] Code: 53 48 c7 c3 04 b5 56 95 49 89 dc 48 89 da 49 81 ec 90 e6 ed 94 4c 89 e6 e8 89 9b fd ff 48 89 df 4c 89 e1 48 c7 c6 90 e6 ed 94 a4 48 c7 c7 e8 98 ec 95 e8 6e 9b fd ff 5b 41 5c e9 b7 fe ff ff [ 82.044784] RSP: 0018:ffffb6eb825a7e50 EFLAGS: 00010246 [ 82.050626] RAX: 000000000000003c RBX: ffffffff9556b504 RCX: 000000000068ce74 [ 82.058600] RDX: 0000000000000000 RSI: ffffffff94ede690 RDI: ffffffff9556b504 [ 82.066574] RBP: ffffffff95ec8af2 R08: 0000000000000000 R09: 0000000000000000 [ 82.074550] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000068ce74 [ 82.082527] R13: ffffb6eb825a7f10 R14: ffffb6eb825a7f10 R15: ffff992404bd2000 [ 82.090503] FS: 00007f1cc14a9580(0000) GS:ffff99247bc80000(0000) knlGS:0000000000000000 [ 82.099543] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 82.105966] CR2: ffffffff9556b504 CR3: 00000001038c8000 CR4: 00000000003506e0 [ 82.113939] Call Trace: [ 82.116683] direct_entry.cold+0x2c/0x38 [ 82.121078] full_proxy_write+0x56/0x80 [ 82.125361] vfs_write+0xea/0x3a0 [ 82.129067] ksys_write+0x68/0xf0 [ 82.132778] do_syscall_64+0x33/0x40 [ 82.136776] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 82.142424] RIP: 0033:0x7f1cc13d1f33 [ 82.146419] 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 [ 82.167407] RSP: 002b:00007ffd524f0968 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 82.175862] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f1cc13d1f33 [ 82.183837] RDX: 000000000000000b RSI: 00007f1cc12c2000 RDI: 0000000000000001 [ 82.191809] RBP: 00007f1cc12c2000 R08: 00007f1cc12c1010 R09: 0000000000000000 [ 82.199783] R10: 00007f1cc14cc1c0 R11: 0000000000000246 R12: 0000000000000001 [ 82.207757] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 82.215742] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 82.231714] CR2: ffffffff9556b504 [ 82.235412] ---[ end trace b14a4b6e27830282 ]--- [ 82.240577] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 82.244961] Code: 89 ff e8 6e bb a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 50 f2 73 02 [ 82.265949] RSP: 0018:ffffb6eb81347e60 EFLAGS: 00010286 [ 82.271790] RAX: ffffffff94ede2c0 RBX: 0000000000000001 RCX: 0000000000000000 [ 82.279765] RDX: 0000000000000000 RSI: ffff99247bc9bf70 RDI: ffffffff95ad9c50 [ 82.287738] RBP: ffffffff95f23dd8 R08: 0000000000000001 R09: 0000000000000001 [ 82.295712] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 82.303686] R13: ffffb6eb81347f10 R14: ffffb6eb81347f10 R15: ffff992403ec2000 [ 82.311663] FS: 00007f1cc14a9580(0000) GS:ffff99247bc80000(0000) knlGS:0000000000000000 [ 82.320705] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 82.327125] CR2: ffffffff9556b504 CR3: 00000001038c8000 CR4: 00000000003506e0 SS_NULL+0x14/0x53 # [ 79.507623] Code: ac 99 fd ff be 00 10 00 00 48 89 ef e8 5c b9 39 ff e9 69 ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 d8 99 ec 95 e8 86 99 fd ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 00 9a ec 95 48 01 # [ 79.528605] RSP: 0018:ffffb6eb82447e58 EFLAGS: 00010246 # [ 79.540651] RAX: 000000000000002e RBX: 0000000000000027 RCX: 0000000000000000 # [ 79.548627] RDX: 0000000000000000 RSI: ffff99247bd1bf70 RDI: ffff99247bd1bf70 # [ 79.556602] RBP: ffffffff95ec8ac9 R08: 0000000000000000 R09: 0000000000000000 # [ 79.564575] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c # [ 79.572549] R13: ffffb6eb82447f10 R14: ffffb6eb82447f10 R15: ffff9924059f3000 # [ 79.580524] FS: 00007f9abf35c580(0000) GS:ffff99247bd00000(0000) knlGS:0000000000000000 # [ 79.589564] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 79.595985] CR2: 0000000000000000 CR3: 0000000104f5c000 CR4: 00000000003506e0 # [ 79.603958] Call Trace: # [ 79.606704] direct_entry.cold+0x2c/0x38 # [ 79.611100] full_proxy_write+0x56/0x80 # [ 79.615383] vfs_write+0xea/0x3a0 # [ 79.619087] ksys_write+0x68/0xf0 # [ 79.622797] do_syscall_64+0x33/0x40 # [ 79.626794] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 79.632441] RIP: 0033:0x7f9abf284f33 # [ 79.636438] 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 # [ 79.657419] RSP: 002b:00007ffd879f94b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 79.665880] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f9abf284f33 # [ 79.673854] RDX: 000000000000000c RSI: 00007f9abf175000 RDI: 0000000000000001 # [ 79.681827] RBP: 00007f9abf175000 R08: 00007f9abf174010 R09: 0000000000000000 # [ 79.689797] R10: 00007f9abf37f1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 79.697772] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 79.705758] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 79.721728] CR2: 0000000000000000 # [ 79.725437] ---[ end trace b14a4b6e2783027f ]--- # [ 79.730599] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 79.734984] Code: 89 ff e8 6e bb a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 50 f2 73 02 # [ 79.755960] RSP: 0018:ffffb6eb81347e60 EFLAGS: 00010286 # [ 79.761799] RAX: ffffffff94ede2c0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 79.769771] RDX: 0000000000000000 RSI: ffff99247bc9bf70 RDI: ffffffff95ad9c50 # [ 79.777744] RBP: ffffffff95f23dd8 R08: 0000000000000001 R09: 0000000000000001 # [ 79.785720] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 79.793695] R13: ffffb6eb81347f10 R14: ffffb6eb81347f10 R15: ffff992403ec2000 # [ 79.801671] FS: 00007f9abf35c580(0000) GS:ffff99247bd00000(0000) knlGS:000000000[ 82.638156] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW [ 82.646557] lkdtm: attempting good refcount_inc() without overflow [ 82.653532] lkdtm: attempting bad refcount_inc() overflow 0000000 # [ 79.810713] CS: 0010 DS: 0000 ES: 0000 CR0: 00000[ 82.659595] ------------[ cut here ]------------ 00080050033 # [ 79.817133] CR2: 0000000000000000 CR3: 0000000[ 82.670976] refcount_t: saturated; leaking memory. 104f5c000 CR4: 00000000003506e0 # [ 79.825108] BUG: sleeping [ 82.682603] WARNING: CPU: 2 PID: 2054 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 [ 82.698216] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 82.714221] CPU: 2 PID: 2054 Comm: cat Tainted: G D W 5.10.138-cip15 #1 [ 82.722900] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 82.729540] RIP: 0010:refcount_warn_saturate+0x51/0x110 [ 82.735406] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 30 4e 74 01 00 75 ee 48 c7 c7 40 46 e6 95 c6 05 20 4e 74 01 01 e8 ca 5b 98 00 <0f> 0b c3 cc cc cc cc 80 3d 0c 4e 74 01 00 75 cb 48 c7 c7 68 46 e6 [ 82.756416] RSP: 0018:ffffb6eb8260fe48 EFLAGS: 00010286 [ 82.762286] RAX: 0000000000000000 RBX: 000000000000002b RCX: 0000000000000000 [ 82.770283] RDX: ffff99247bd2c660 RSI: ffff99247bd1bf70 RDI: ffff99247bd1bf70 [ 82.778281] RBP: ffffffff95ec8afd R08: 0000000000000000 R09: 0000000000000000 [ 82.786280] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 [ 82.794274] R13: ffffb6eb8260ff10 R14: ffffb6eb8260ff10 R15: ffff9924058e6000 [ 82.802271] FS: 00007f7425e49580(0000) GS:ffff99247bd00000(0000) knlGS:0000000000000000 [ 82.811344] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 82.817788] CR2: 00007f7425c62000 CR3: 000000010275e000 CR4: 00000000003506e0 [ 82.825792] Call Trace: [ 82.828550] lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x98 [ 82.833935] direct_entry.cold+0x2c/0x38 [ 82.838349] full_proxy_write+0x56/0x80 [ 82.842667] vfs_write+0xea/0x3a0 [ 82.846395] ksys_write+0x68/0xf0 [ 82.850130] do_syscall_64+0x33/0x40 [ 82.854152] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 82.859824] RIP: 0033:0x7f7425d71f33 [ 82.863844] 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 [ 82.884852] RSP: 002b:00007ffd7b3f4e28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 82.893348] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f7425d71f33 [ 82.901344] RDX: 0000000000000016 RSI: 00007f7425c62000 RDI: 0000000000000001 [ 82.909336] RBP: 00007f7425c62000 R08: 00007f7425c61010 R09: 0000000000000000 [ 82.917332] R10: 00007f7425e6c1c0 R11: 0000000000000246 R12: 0000000000000001 [ 82.925340] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 82.933355] irq event stamp: 0 [ 82.936790] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 82.943820] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 function called from invalid context at include/linux/percpu-rws[ 82.952991] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 82.968352] softirqs last disabled at (0): [<0000000000000000>] 0x0 em.h:49 # [ 79.835025] in_atomic(): 0, irqs_disabled(): 1, no[ 82.975376] ---[ end trace b14a4b6e27830283 ]--- [ 82.986758] lkdtm: Overflow detected: saturated n_block: 0, pid: 1914, name: cat # [ 79.843484] INFO: lockdep is turned off. # [ 79.847864] irq event stamp: 0 # [ 79.851275] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 79.858281] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 79.867423] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 79.876564] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 79.883571] CPU: 2 PID: 1914 Comm: cat Tainted: G D W 5.10.138-cip15 #1 # [ 79.892226] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 79.898838] Call Trace: # [ 79.901572] dump_stack+0x77/0x9b # [ 79.905281] ___might_sleep.cold+0xa6/0xb6 # [ 79.909861] exit_signals+0x1c/0x2e0 # [ 79.913856] do_exit+0xd5/0xb00 # [ 79.917368] ? ksys_write+0x68/0xf0 # [ 79.921263] rewind_stack_do_exit+0x17/0x20 # [ 79.925936] RIP: 0033:0x7f9abf284f33 # [ 79.929929] 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 # [ 79.950919] RSP: 002b:00007ffd879f94b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 79.959380] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f9abf284f33 # [ 79.967355] RDX: 000000000000000c RSI: 00007f9abf175000 RDI: 0000000000000001 # [ 79.975330] RBP: 00007f9abf175000 R08: 00007f9abf174010 R09: 0000000000000000 # [ 79.983306] R10: 00007f9abf37f1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 79.991279] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # ACCESS_NULL: saw 'call trace:': ok ok 38 selftests: lkdtm: ACCESS_NULL.sh # selftests: lkdtm: WRITE_RO.sh # Killed # [ 80.339763] lkdtm: Performing direct entry WRITE_RO # [ 80.346683] lkdtm: attempting bad rodata write at ffffffff95ada0d0 # [ 80.359826] BUG: unable to handle page fault for address: ffffffff95ada0d0 # [ 80.373693] #PF: supervisor write access in kernel mode # [ 80.379535] #PF: error_code(0x0003) - permissions violation # [ 80.385763] PGD 21829067 P4D 21829067 PUD 2182a063 PMD 80000000212001e1 # [ 80.393271] Oops: 0003 [#14] SMP PTI # [ 80.397261] CPU: 3 PID: 1949 Comm: cat Tainted: G D W 5.10.138-cip15 #1 # [ 80.405914] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 80.412540] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a # [ 80.417508] Code: 00 48 c7 c7 b8 98 ec 95 48 c7 c6 d0 a0 ad 95 e8 30 9c fd ff 48 8b 05 46 eb 56 00 ba 34 12 cd ab 48 c7 c7 e8 98 ec 95 48 31 d0 <48> 89 05 30 eb 56 00 e9 0e 9c fd ff 0f 1f 44 00 00 48 8b 05 77 ad # [ 80.438487] RSP: 0018:ffffb6eb824cfe60 EFLAGS: 00010202 # [ 80.444329] RAX: 000000000198b861 RBX: 0000000000000028 RCX: 0000000000000000 # [ 80.452304] RDX: 00000000abcd1234[ 83.267383] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW RSI: ffff99247bd9bf70 RDI: ffffffff95ec98e8 # [ 80.460276] R[ 83.278377] lkdtm: attempting good refcount_add() without overflow BP: ffffffff95ec8ad5 R08: 0000000000000000 R09: 0000000000000000[ 83.291556] lkdtm: attempting bad refcount_add() overflow # [ 80.468250] R10: 00000000ffffe000 R11: 3fffffffffffffff R[ 83.303796] ------------[ cut here ]------------ 12: 0000000000000009 # [ 80.476223] R13: ffffb6eb824cff10 R14[ 83.315394] refcount_t: saturated; leaking memory. : ffffb6eb824cff10 R15: ffff992403da8000 # [ 80.484198] FS: [ 83.326830] WARNING: CPU: 3 PID: 2086 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 00007f5c66e79580(0000) GS:ffff99247bd80000(0000) knlGS:000000000[ 83.342617] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 0000000 # [ 80.493239] CS: 0010 DS: 0000 ES: 0000 CR0: 00000[ 83.364625] CPU: 3 PID: 2086 Comm: cat Tainted: G D W 5.10.138-cip15 #1 00080050033 # [ 80.499658] CR2: ffffffff95ada0d0 CR3: 0000000[ 83.379617] Hardware name: Google Coral/Coral, BIOS 09/29/2020 103194000 CR4: 00000000003506e0 # [ 80.507631] Call Trace: #[ 83.392330] RIP: 0010:refcount_warn_saturate+0x51/0x110 [ 80.510369] direct_entry.cold+0x2c/0x38 # [ 80.514765] [ 83.404454] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 30 4e 74 01 00 75 ee 48 c7 c7 40 46 e6 95 c6 05 20 4e 74 01 01 e8 ca 5b 98 00 <0f> 0b c3 cc cc cc cc 80 3d 0c 4e 74 01 00 75 cb 48 c7 c7 68 46 e6 full_proxy_write+0x56/0x80 # [ 80.519058] vfs_write+0xea/0x3[ 83.431588] RSP: 0018:ffffb6eb826a7e48 EFLAGS: 00010286 a0 # [ 80.522765] ksys_write+0x68/0xf0 # [ 80.526473] do[ 83.443615] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000 _syscall_64+0x33/0x40 # [ 80.530473] entry_SYSCALL_64_after_[ 83.457927] RDX: ffff99247bdac660 RSI: ffff99247bd9bf70 RDI: ffff99247bd9bf70 hwframe+0x61/0xc6 # [ 80.536120] RIP: 0033:0x7f5c66da1f33 # [ 83.472045] RBP: ffffffff95ec8b13 R08: 0000000000000000 R09: 0000000000000000 [ 80.540115] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 f[ 83.486271] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 f ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8[ 83.500434] R13: ffffb6eb826a7f10 R14: ffffb6eb826a7f10 R15: ffff9924038cc000 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 8[ 83.514637] FS: 00007f1ce4483580(0000) GS:ffff99247bd80000(0000) knlGS:0000000000000000 3 ec 28 48 89 54 24 18 # [ 80.561099] RSP: 002b:00007ffc505ee[ 83.529948] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 298 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 80.569562[ 83.542558] CR2: 00007f1ce429c000 CR3: 0000000104c72000 CR4: 00000000003506e0 ] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f5c66da1[ 83.556817] Call Trace: f33 # [ 80.577534] RDX: 0000000000000009 RSI: 00007f5c66c9200[ 83.565778] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa7 0 RDI: 0000000000000001 # [ 80.585507] RBP: 00007f5c66c92000 [ 83.577323] direct_entry.cold+0x2c/0x38 R08: 00007f5c66c91010 R09: 0000000000000000 # [ 80.593481] R1[ 83.587958] full_proxy_write+0x56/0x80 0: 00007f5c66e9c1c0 R11: 0000000000000246 R12: 0000000000000001[ 83.598450] vfs_write+0xea/0x3a0 # [ 80.601457] R13: 0000000000000001 R14: 0000000000020000 R1[ 83.608379] ksys_write+0x68/0xf0 5: 0000000000020000 # [ 80.609442] Modules linked in: fuse ip[ 83.618341] do_syscall_64+0x33/0x40 _tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_c[ 83.628536] entry_SYSCALL_64_after_hwframe+0x61/0xc6 hardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ [ 83.640409] RIP: 0033:0x7f1ce43abf33 80.625415] CR2: ffffffff95ada0d0 # [ 80.629115] ---[ end tra[ 83.650649] 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 ce b14a4b6e27830280 ]--- # [ 80.634280] RIP: 0010:lkdtm_BUG+0[ 83.677868] RSP: 002b:00007ffc7de0c478 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 x5/0x10 # [ 80.638665] Code: 89 ff e8 6e bb a3 ff 48 c7 c0 ea[ 83.692536] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f1ce43abf33 ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 [ 83.706739] RDX: 0000000000000016 RSI: 00007f1ce429c000 RDI: 0000000000000001 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00[ 83.720971] RBP: 00007f1ce429c000 R08: 00007f1ce429b010 R09: 0000000000000000 0f 1f 44 00 00 83 05 50 f2 73 02 # [ 80.659631] RSP: 0018:ff[ 83.735155] R10: 00007f1ce44a61c0 R11: 0000000000000246 R12: 0000000000000001 ffb6eb81347e60 EFLAGS: 00010286 # [ 80.665470] RAX: ffffffff9[ 83.749385] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 4ede2c0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 80.67[ 83.763651] irq event stamp: 0 3443] RDX: 0000000000000000 RSI: ffff99247bc9bf70 RDI: ffffffff9[ 83.773428] hardirqs last enabled at (0): [<0000000000000000>] 0x0 5ad9c50 # [ 80.681417] RBP: ffffffff95f23dd8 R08: 00000000000[ 83.786530] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 00001 R09: 0000000000000001 # [ 80.689391] R10: 00000000ffffe[ 83.801920] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 80.697366[ 83.817253] softirqs last disabled at (0): [<0000000000000000>] 0x0 ] R13: ffffb6eb81347f10 R14: ffffb6eb81347f10 R15: ffff992403ec2[ 83.830519] ---[ end trace b14a4b6e27830284 ]--- 000 # [ 80.705341] FS: 00007f5c66e79580(0000) GS:ffff99247bd[ 83.841861] lkdtm: Overflow detected: saturated 80000(0000) knlGS:0000000000000000 # [ 80.714386] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 80.720806] CR2: ffffffff95ada0d0 CR3: 0000000103194000 CR4: 00000000003506e0 # WRITE_RO: saw 'call trace:': ok ok 39 selftests: lkdtm: WRITE_RO.sh # selftests: lkdtm: WRITE_RO_AFTER_INIT.sh # Killed # [ 81.028086] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT # [ 81.040002] lkdtm: attempting bad ro_after_init write at ffffffff95f46328 # [ 81.053792] BUG: unable to handle page fault for address: ffffffff95f46328 # [ 81.067644] #PF: supervisor write access in kernel mode # [ 81.073484] #PF: error_code(0x0003) - permissions violation # [ 81.079710] PGD 21829067 P4D 21829067 PUD 2182a063 PMD 1049a0163 PTE 8000000021746061 # [ 81.088479] Oops: 0003 [#15] SMP PTI # [ 81.092477] CPU: 3 PID: 1984 Comm: cat Tainted: G D W 5.10.138-cip15 #1 # [ 81.101130] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 81.107755] RIP: 0010:lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a # [ 81.113791] Code: 99 ec 95 e9 e2 9b fd ff 48 c7 c7 40 99 ec 95 e8 d6 9b fd ff 48 8b 05 44 ad 9d 00 ba 34 12 cd ab 48 c7 c7 e8 98 ec 95 48 31 d0 <48> 89 05 2e ad 9d 00 e9 b4 9b fd ff 0f 1f 44 00 00 41 54 48 c7 c7 # [ 81.134770] RSP: 0018:ffffb6eb82537e60 EFLAGS: 00010202 # [ 81.140609] RAX: 00000000fe67479e RBX: 0000000000000029 RCX: 0000000000000000 # [ 81.148581] RDX: 00000000abcd1234 RSI: ffff99247bd9bf70 RDI: ffffffff95ec98e8 # [ 81.156553] RBP: ffffffff95ec8ade R08: 0000000000000000 R09: 0000000000000000 # [ 81.164526] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000014 # [ 81.172498] R13: ffffb6eb82537f10 R14: ffffb6eb82537f10 R15: ffff9924058a2000 # [ 81.180470] FS: 00007f37e19a9580(0000) GS:ffff99247bd80000(0000) knlGS:0000000000000000 # [ 81.189511] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 81.195930] CR2: ffffffff95f46328 CR3: 0000000103b98000 CR4: 00000000003506e0 # [ 81.203904] Call Trace: # [ 81.206644] direct_entry.cold+0x2c/0x38 # [ 81.211040] full_proxy_write+0x56/0x80 # [ 81.215332] vfs_write+0xea/0x3a0 # [ 81.219037] ksys_write+0x68/0xf0 # [ 81.222747] do_syscall_64+0x33/0x40 # [ 81.226743] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 81.232387] RIP: 0033:0x7f37e18d1f33 # [ 81.236383] 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 # [ 81.257357] RSP: 002b:00007ffe2a120058 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 81.265816] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f37e18d1f33 # [ 81.273782] RDX: 0000000000000014 RSI: 00007f37e17c2000 RDI: 0000000000000001 # [ 81.281750] RBP: 00007f37e17c2000 R08: 00007f37e17c1010 R09: 0000000000000000 # [ 81.289722] R10: 00007f37e19cc1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 81.297690] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 81.305671] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 81.321639] CR2: ffffffff95f46328 # [ 81.325345] ---[ end trace b14a4b6e27830281 ]--- # [ 81.330[ 84.174331] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW [ 84.183973] lkdtm: attempting bad refcount_inc_not_zero() overflow [ 84.190930] ------------[ cut here ]------------ [ 84.196113] refcount_t: saturated; leaking memory. 509] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 81.334894] Code: 89 ff [ 84.201533] WARNING: CPU: 1 PID: 2118 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 [ 84.217146] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 84.233152] CPU: 1 PID: 2118 Comm: cat Tainted: G D W 5.10.138-cip15 #1 [ 84.241828] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 84.248509] RIP: 0010:refcount_warn_saturate+0x97/0x110 [ 84.254392] Code: 01 01 e8 a7 5b 98 00 0f 0b c3 cc cc cc cc 80 3d eb 4d 74 01 00 75 a8 48 c7 c7 40 46 e6 95 c6 05 db 4d 74 01 01 e8 84 5b 98 00 <0f> 0b c3 cc cc cc cc 80 3d c5 4d 74 01 00 75 85 48 c7 c7 98 46 e6 [ 84.275402] RSP: 0018:ffffb6eb82727e38 EFLAGS: 00010282 [ 84.281264] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 [ 84.289249] RDX: ffff99247bcac660 RSI: ffff99247bc9bf70 RDI: ffff99247bc9bf70 [ 84.297243] RBP: ffffffff95ec8750 R08: 0000000000000000 R09: 0000000000000000 [ 84.305236] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f [ 84.313230] R13: ffffb6eb82727f10 R14: ffffb6eb82727f10 R15: ffff992402ca4000 [ 84.321226] FS: 00007f49615c3580(0000) GS:ffff99247bc80000(0000) knlGS:0000000000000000 [ 84.330288] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 84.336729] CR2: 00007f49613dc000 CR3: 0000000104da8000 CR4: 00000000003506e0 [ 84.344723] Call Trace: [ 84.347484] __refcount_add_not_zero.constprop.0+0x2a/0x35 [ 84.353648] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x76 [ 84.359902] direct_entry.cold+0x2c/0x38 [ 84.364314] full_proxy_write+0x56/0x80 [ 84.368626] vfs_write+0xea/0x3a0 [ 84.372352] ksys_write+0x68/0xf0 [ 84.376082] do_syscall_64+0x33/0x40 [ 84.380101] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 84.385771] RIP: 0033:0x7f49614ebf33 [ 84.389790] 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 [ 84.410796] RSP: 002b:00007ffc1a17e3e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 84.419281] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f49614ebf33 [ 84.427275] RDX: 000000000000001f RSI: 00007f49613dc000 RDI: 0000000000000001 [ 84.435269] RBP: 00007f49613dc000 R08: 00007f49613db010 R09: 0000000000000000 [ 84.443267] R10: 00007f49615e61c0 R11: 0000000000000246 R12: 0000000000000001 [ 84.451260] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 84.459264] irq event stamp: 0 e8 6e bb a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c[ 84.462706] hardirqs last enabled at (0): [<0000000000000000>] 0x0 3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b [ 84.475923] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 50 f2 73 02 # [[ 84.491281] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 84.506647] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 84.513672] ---[ end trace b14a4b6e27830285 ]--- [ 84.518851] lkdtm: Overflow detected: saturated 81.355879] RSP: 0018:ffffb6eb81347e60 EFLAGS: 00010286 # [ 81.361720] RAX: ffffffff94ede2c0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 81.369693] RDX: 0000000000000000 RSI: ffff99247bc9bf70 RDI: ffffffff95ad9c50 # [ 81.377665] RBP: ffffffff95f23dd8 R08: 0000000000000001 R09: 0000000000000001 # [ 81.385640] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 81.393614] R13: ffffb6eb81347f10 R14: ffffb6eb81347f10 R15: ffff992403ec2000 # [ 81.401588] FS: 00007f37e19a9580(0000) GS:ffff99247bd80000(0000) knlGS:0000000000000000 # [ 81.410630] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 81.417050] CR2: ffffffff95f46328 CR3: 0000000103b98000 CR4: 00000000003506e0 # [ 81.425025] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 81.434942] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1984, name: cat # [ 81.443401] INFO: lockdep is turned off. # [ 81.447780] irq event stamp: 0 # [ 81.451190] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 81.458194] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 81.467334] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 81.476474] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 81.483480] CPU: 3 PID: 1984 Comm: cat Tainted: G D W 5.10.138-cip15 #1 # [ 81.492132] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 81.498746] Call Trace: # [ 81.501484] dump_stack+0x77/0x9b # [ 81.505193] ___might_sleep.cold+0xa6/0xb6 # [ 81.509774] exit_signals+0x1c/0x2e0 # [ 81.513769] do_exit+0xd5/0xb00 # [ 81.517281] ? ksys_write+0x68/0xf0 # [ 81.521183] rewind_stack_do_exit+0x17/0x20 # [ 81.525858] RIP: 0033:0x7f37e18d1f33 # [ 81.529853] 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 # [ 81.550838] RSP: 002b:00007ffe2a120058 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 81.559301] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f37e18d1f33 # [ 81.567275] RDX: 0000000000000014 RSI: 00007f37e17c2000 RDI: 0000000000000001 # [ 81.575250] RBP: 00007f37e17c2000 R08: 00007f37e17c1010 R09: 0000000000000000 # [ 81.583225] R10: 00007f37e19cc1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 81.591199] 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 # [ 81.929809] lkdtm: Performing direct entry WRITE_KERN # [ 81.940501] lkdtm: attempting bad 6868596 byte write at ffffffff9556b504 # [ 81.948048] BUG: unable to handle page fault for address: ffffffff9556b504 # [ 81.961923] #PF: supervisor write access in kernel mode # [ 81.967762] #PF:[ 84.814400] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW [ 84.823758] lkdtm: attempting bad refcount_add_not_zero() overflow [ 84.830705] ------------[ cut here ]------------ [ 84.835891] refcount_t: saturated; leaking memory. [ 84.841311] WARNING: CPU: 1 PID: 2150 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 [ 84.850761] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 84.866760] CPU: 1 PID: 2150 Comm: cat Tainted: G D W 5.10.138-cip15 #1 [ 84.875435] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 84.882083] RIP: 0010:refcount_warn_saturate+0x97/0x110 [ 84.887947] Code: 01 01 e8 a7 5b 98 00 0f 0b c3 cc cc cc cc 80 3d eb 4d 74 01 00 75 a8 48 c7 c7 40 46 e6 95 c6 05 db 4d 74 01 01 e8 84 5b 98 00 <0f> 0b c3 cc cc cc cc 80 3d c5 4d 74 01 00 75 85 48 c7 c7 98 46 e6 [ 84.908956] RSP: 0018:ffffb6eb826cfe38 EFLAGS: 00010282 [ 84.914817] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 [ 84.922810] RDX: ffff99247bcac660 RSI: ffff99247bc9bf70 RDI: ffff99247bc9bf70 [ 84.930805] RBP: ffffffff95ec8770 R08: 0000000000000000 R09: 0000000000000000 [ 84.938804] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f [ 84.946806] R13: ffffb6eb826cff10 R14: ffffb6eb826cff10 R15: ffff992402c48000 [ 84.954804] FS: 00007f72c7930580(0000) GS:ffff99247bc80000(0000) knlGS:0000000000000000 [ 84.963869] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 84.970309] CR2: 00007f72c7749000 CR3: 0000000105b9e000 CR4: 00000000003506e0 [ 84.978303] Call Trace: [ 84.981063] __refcount_add_not_zero.constprop.0+0x2a/0x35 [ 84.987221] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x76 [ 84.993473] direct_entry.cold+0x2c/0x38 [ 84.997896] full_proxy_write+0x56/0x80 [ 85.002205] vfs_write+0xea/0x3a0 [ 85.005931] ksys_write+0x68/0xf0 [ 85.009670] do_syscall_64+0x33/0x40 [ 85.013689] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 85.019365] RIP: 0033:0x7f72c7858f33 [ 85.023384] 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 [ 85.044406] RSP: 002b:00007ffeef8e7918 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 85.052901] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f72c7858f33 [ 85.060897] RDX: 000000000000001f RSI: 00007f72c7749000 RDI: 0000000000000001 [ 85.068902] RBP: 00007f72c7749000 R08: 00007f72c7748010 R09: 0000000000000000 [ 85.076898] R10: 00007f72c79531c0 R11: 0000000000000246 R12: 0000000000000001 [ 85.084899] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 error_code(0x0003) - permissions violation # [ 81.980200] PG[ 85.092905] irq event stamp: 0 D 21829067 P4D 21829067 PUD 2182a063 PMD 20c001e1 # [ 81.993[ 85.102529] hardirqs last enabled at (0): [<0000000000000000>] 0x0 140] Oops: 0003 [#16] SMP PTI # [ 81.997137] CPU: 1 PID: 2019[ 85.115754] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 85.131119] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 85.140287] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 85.147311] ---[ end trace b14a4b6e27830286 ]--- [ 85.152489] lkdtm: Overflow detected: saturated Comm: cat Tainted: G D W 5.10.138-cip15 #1 # [ 82.012006] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 82.018631] RIP: 0010:lkdtm_WRITE_KERN+0x38/0x4e # [ 82.023796] Code: 53 48 c7 c3 04 b5 56 95 49 89 dc 48 89 da 49 81 ec 90 e6 ed 94 4c 89 e6 e8 89 9b fd ff 48 89 df 4c 89 e1 48 c7 c6 90 e6 ed 94 a4 48 c7 c7 e8 98 ec 95 e8 6e 9b fd ff 5b 41 5c e9 b7 fe ff ff # [ 82.044784] RSP: 0018:ffffb6eb825a7e50 EFLAGS: 00010246 # [ 82.050626] RAX: 000000000000003c RBX: ffffffff9556b504 RCX: 000000000068ce74 # [ 82.058600] RDX: 0000000000000000 RSI: ffffffff94ede690 RDI: ffffffff9556b504 # [ 82.066574] RBP: ffffffff95ec8af2 R08: 0000000000000000 R09: 0000000000000000 # [ 82.074550] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000068ce74 # [ 82.082527] R13: ffffb6eb825a7f10 R14: ffffb6eb825a7f10 R15: ffff992404bd2000 # [ 82.090503] FS: 00007f1cc14a9580(0000) GS:ffff99247bc80000(0000) knlGS:0000000000000000 # [ 82.099543] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 82.105966] CR2: ffffffff9556b504 CR3: 00000001038c8000 CR4: 00000000003506e0 # [ 82.113939] Call Trace: # [ 82.116683] direct_entry.cold+0x2c/0x38 # [ 82.121078] full_proxy_write+0x56/0x80 # [ 82.125361] vfs_write+0xea/0x3a0 # [ 82.129067] ksys_write+0x68/0xf0 # [ 82.132778] do_syscall_64+0x33/0x40 # [ 82.136776] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 82.142424] RIP: 0033:0x7f1cc13d1f33 # [ 82.146419] 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 # [ 82.167407] RSP: 002b:00007ffd524f0968 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 82.175862] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f1cc13d1f33 # [ 82.183837] RDX: 000000000000000b RSI: 00007f1cc12c2000 RDI: 0000000000000001 # [ 82.191809] RBP: 00007f1cc12c2000 R08: 00007f1cc12c1010 R09: 0000000000000000 # [ 82.199783] R10: 00007f1cc14cc1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 82.207757] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 82.215742] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 82.231714] CR2: ffffffff9556b504 # [ 82.235412] ---[ end trace b14a4b6e27830282 ]--- # [ 82.240577] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 82.244961] Code: 89 ff e8 6e bb a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 50 f2 73 02 # [ 82.265949] RSP: 0018:ffffb6eb81347e60 EFLAGS: 00010286 # [ 82.271790] RAX: ffffffff94ede2c0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 82.279765] RDX: 0000000000000000 RSI: ffff99247bc9bf70 RDI: ffffffff95ad9c50 # [ 82.287738] RBP: ffffffff95f23dd8 R08: 0000000000000001 R09: 0000000000000001 # [ 82.295712] R10: 0000[ 85.452869] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO [ 85.462379] lkdtm: attempting good refcount_dec() [ 85.467656] lkdtm: attempting bad refcount_dec() to zero 0000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ [ 85.473619] ------------[ cut here ]------------ 82.303686] R13: ffffb6eb81347f10 R14: ffffb6eb81347f10 R15: ffff[ 85.485003] refcount_t: decrement hit 0; leaking memory. [ 85.497208] WARNING: CPU: 1 PID: 2182 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 [ 85.506663] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 85.522675] CPU: 1 PID: 2182 Comm: cat Tainted: G D W 5.10.138-cip15 #1 [ 85.531352] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 85.537994] RIP: 0010:refcount_warn_saturate+0xfb/0x110 992403ec2000 # [ 82.311663] FS: 00007f1cc14a9580(0000) GS:ff[ 85.543856] Code: f0 46 e6 95 c6 05 8c 4d 74 01 01 e8 3a 5b 98 00 0f 0b c3 cc cc cc cc 48 c7 c7 c0 46 e6 95 c6 05 73 4d 74 01 01 e8 20 5b 98 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b [ 85.571059] RSP: 0018:ffffb6eb82817e48 EFLAGS: 00010286 [ 85.576924] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000 [ 85.584931] RDX: ffff99247bcac660 RSI: ffff99247bc9bf70 RDI: ffff99247bc9bf70 [ 85.592932] RBP: ffffffff95ec8b29 R08: 0000000000000000 R09: 0000000000000000 [ 85.600931] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 [ 85.608931] R13: ffffb6eb82817f10 R14: ffffb6eb82817f10 R15: ffff992405b9a000 [ 85.616933] FS: 00007f651f2bb580(0000) GS:ffff99247bc80000(0000) knlGS:0000000000000000 [ 85.626003] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 85.632451] CR2: 00007f651f0d4000 CR3: 0000000104cb0000 CR4: 00000000003506e0 [ 85.640449] Call Trace: [ 85.643217] lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xbd [ 85.648221] direct_entry.cold+0x2c/0x38 [ 85.652637] full_proxy_write+0x56/0x80 [ 85.656953] vfs_write+0xea/0x3a0 [ 85.660688] ksys_write+0x68/0xf0 [ 85.664423] do_syscall_64+0x33/0x40 [ 85.668448] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 85.674124] RIP: 0033:0x7f651f1e3f33 [ 85.678144] 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 [ 85.699159] RSP: 002b:00007ffd3ba99e58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 85.707652] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f651f1e3f33 [ 85.715661] RDX: 0000000000000012 RSI: 00007f651f0d4000 RDI: 0000000000000001 [ 85.723659] RBP: 00007f651f0d4000 R08: 00007f651f0d3010 R09: 0000000000000000 [ 85.731660] R10: 00007f651f2de1c0 R11: 0000000000000246 R12: 0000000000000001 [ 85.739660] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ff99247bc80000(0000) knlGS:0000000000000000 # [ 82.320705] CS[ 85.747665] irq event stamp: 0 [ 85.757288] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 85.764311] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 85.773471] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 85.782645] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 85.789673] ---[ end trace b14a4b6e27830287 ]--- [ 85.794854] lkdtm: Zero detected: saturated : 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 82.327125] CR2: ffffffff9556b504 CR3: 00000001038c8000 CR4: 00000000003506e0 # WRITE_KERN: saw 'call trace:': ok ok 41 selftests: lkdtm: WRITE_KERN.sh # selftests: lkdtm: REFCOUNT_INC_OVERFLOW.sh # [ 82.638156] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW # [ 82.646557] lkdtm: attempting good refcount_inc() without overflow # [ 82.653532] lkdtm: attempting bad refcount_inc() overflow # [ 82.659595] ------------[ cut here ]------------ # [ 82.670976] refcount_t: saturated; leaking memory. # [ 82.682603] WARNING: CPU: 2 PID: 2054 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 82.698216] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 82.714221] CPU: 2 PID: 2054 Comm: cat Tainted: G D W 5.10.138-cip15 #1 # [ 82.722900] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 82.729540] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 82.735406] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 30 4e 74 01 00 75 ee 48 c7 c7 40 46 e6 95 c6 05 20 4e 74 01 01 e8 ca 5b 98 00 <0f> 0b c3 cc cc cc cc 80 3d 0c 4e 74 01 00 75 cb 48 c7 c7 68 46 e6 # [ 82.756416] RSP: 0018:ffffb6eb8260fe48 EFLAGS: 00010286 # [ 82.762286] RAX: 0000000000000000 RBX: 000000000000002b RCX: 0000000000000000 # [ 82.770283] RDX: ffff99247bd2c660 RSI: ffff99247bd1bf70 RDI: ffff99247bd1bf70 # [ 82.778281] RBP: ffffffff95ec8afd R08: 0000000000000000 R09: 0000000000000000 # [ 82.786280] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 82.794274] R13: ffffb6eb8260ff10 R14: ffffb6eb8260ff10 R15: ffff9924058e6000 # [ 82.802271] FS: 00007f7425e49580(0000) GS:ffff99247bd00000(0000) knlGS:0000000000000000 # [ 82.811344] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 82.817788] CR2: 00007f7425c62000 CR3: 000000010275e000 CR4: 00000000003506e0 # [ 82.825792] Call Trace: # [ 82.828550] lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x98 # [ 82.833935] direct_entry.cold+0x2c/0x38 # [ 82.838349] full_proxy_write+0x56/0x80 # [ 82.842667] vfs_write+0xea/0x3a0 # [ 82.846395] ksys_write+0x68/0xf0 # [ 82.850130] do_syscall_64+0x33/0x40 # [ 82.854152] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 82.859824] RIP: 0033:0x7f7425d71f33 # [ 82.863844] 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 # [ 82.884852] RSP: 002b:00007ffd7b3f4e28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 82.893348] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f7425d71f33 # [ 82.901344] RDX: 0000000000000016 RSI: 00007f7425c62000 RDI: 0000000000000001 # [ 82.909336] RBP: 00007f7425c62000 R08: 00007f7425c61010 R09: 0000000000000000 # [ 82.917332] R10: 00007f7425e6c1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 82.925340] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 82.933355] irq event stamp: 0 # [ 82.936790] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 82.9[ 86.112944] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE [ 86.123349] lkdtm: attempting bad refcount_dec() below zero [ 86.129614] ------------[ cut here ]------------ [ 86.134792] refcount_t: decrement hit 0; leaking memory. [ 86.140804] WARNING: CPU: 2 PID: 2217 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 [ 86.150260] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 86.166259] CPU: 2 PID: 2217 Comm: cat Tainted: G D W 5.10.138-cip15 #1 [ 86.174949] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 86.181592] RIP: 0010:refcount_warn_saturate+0xfb/0x110 [ 86.187457] Code: f0 46 e6 95 c6 05 8c 4d 74 01 01 e8 3a 5b 98 00 0f 0b c3 cc cc cc cc 48 c7 c7 c0 46 e6 95 c6 05 73 4d 74 01 01 e8 20 5b 98 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b [ 86.208467] RSP: 0018:ffffb6eb828afe48 EFLAGS: 00010286 [ 86.214326] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000 [ 86.222319] RDX: ffff99247bd2c660 RSI: ffff99247bd1bf70 RDI: ffff99247bd1bf70 [ 86.230313] RBP: ffffffff95ec8b3b R08: 0000000000000000 R09: 0000000000000000 [ 86.238313] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 [ 86.246308] R13: ffffb6eb828aff10 R14: ffffb6eb828aff10 R15: ffff992404e14000 [ 86.254305] FS: 00007f44185ae580(0000) GS:ffff99247bd00000(0000) knlGS:0000000000000000 [ 86.263369] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 86.269801] CR2: 00007f44183c7000 CR3: 0000000104132000 CR4: 00000000003506e0 [ 86.277801] Call Trace: [ 86.280563] lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x61 [ 86.285944] direct_entry.cold+0x2c/0x38 [ 86.290355] full_proxy_write+0x56/0x80 [ 86.294661] vfs_write+0xea/0x3a0 [ 86.298390] ksys_write+0x68/0xf0 [ 86.302127] do_syscall_64+0x33/0x40 [ 86.306146] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 86.311815] RIP: 0033:0x7f44184d6f33 [ 86.315832] 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 [ 86.336848] RSP: 002b:00007fffec8b4598 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 86.345333] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f44184d6f33 [ 86.353333] RDX: 0000000000000016 RSI: 00007f44183c7000 RDI: 0000000000000001 [ 86.361327] RBP: 00007f44183c7000 R08: 00007f44183c6010 R09: 0000000000000000 [ 86.369325] R10: 00007f44185d11c0 R11: 0000000000000246 R12: 0000000000000001 [ 86.377319] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 86.385328] irq event stamp: 0 43820] hardirqs last disabled at (0): [] copy_[ 86.388770] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 86.401991] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 process+0x640/0x1c80 # [ 82.952991] softirqs last enabled at[ 86.411146] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 86.426528] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 86.433557] ---[ end trace b14a4b6e27830288 ]--- [ 86.438734] lkdtm: Negative detected: saturated (0): [] copy_process+0x640/0x1c80 # [ 82.968352] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 82.975376] ---[ end trace b14a4b6e27830283 ]--- # [ 82.986758] lkdtm: Overflow detected: saturated # REFCOUNT_INC_OVERFLOW: saw 'call trace:': ok ok 42 selftests: lkdtm: REFCOUNT_INC_OVERFLOW.sh # selftests: lkdtm: REFCOUNT_ADD_OVERFLOW.sh # [ 83.267383] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW # [ 83.278377] lkdtm: attempting good refcount_add() without overflow # [ 83.291556] lkdtm: attempting bad refcount_add() overflow # [ 83.303796] ------------[ cut here ]------------ # [ 83.315394] refcount_t: saturated; leaking memory. # [ 83.326830] WARNING: CPU: 3 PID: 2086 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 83.342617] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 83.364625] CPU: 3 PID: 2086 Comm: cat Tainted: G D W 5.10.138-cip15 #1 # [ 83.379617] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 83.392330] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 83.404454] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 30 4e 74 01 00 75 ee 48 c7 c7 40 46 e6 95 c6 05 20 4e 74 01 01 e8 ca 5b 98 00 <0f> 0b c3 cc cc cc cc 80 3d 0c 4e 74 01 00 75 cb 48 c7 c7 68 46 e6 # [ 83.431588] RSP: 0018:ffffb6eb826a7e48 EFLAGS: 00010286 # [ 83.443615] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000 # [ 83.457927] RDX: ffff99247bdac660 RSI: ffff99247bd9bf70 RDI: ffff99247bd9bf70 # [ 83.472045] RBP: ffffffff95ec8b13 R08: 0000000000000000 R09: 0000000000000000 # [ 83.486271] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 83.500434] R13: ffffb6eb826a7f10 R14: ffffb6eb826a7f10 R15: ffff9924038cc000 # [ 83.514637] FS: 00007f1ce4483580(0000) GS:ffff99247bd80000(0000) knlGS:0000000000000000 # [ 83.529948] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 83.542558] CR2: 00007f1ce429c000 CR3: 0000000104c72000 CR4: 00000000003506e0 # [ 83.556817] Call Trace: # [ 83.565778] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa7 # [ 83.577323] direct_entry.cold+0x2c/0x38 # [ 83.587958] full_proxy_write+0x56/0x80 # [ 83.598450] vfs_write+0xea/0x3a0 # [ 83.608379] ksys_write+0x68/0xf0 # [ 83.618341] do_syscall_64+0x33/0x40 # [ 83.628536] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 83.640409] RIP: 0033:0x7f1ce43abf33 # [ 83.650649] 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 # [ 83.677868] RSP: 002b:00007ffc7de0c478 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 83.692536] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f1ce43abf33 # [ 83.706739] RDX: 0000000000000016 RSI: 00007f1ce429c000 RDI: 0000000000000001 # [ 83.720971] RBP: 00007f1ce429c000 R08: 00007f1ce429b010 R09: 0000000000000000 # [ 83.735155] R10: 00007f1ce44a61c0 R11: 0000000000000246 R12: 0000000000000001 # [ 83.749385[ 86.749939] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE [ 86.762312] lkdtm: attempting bad refcount_dec_and_test() below zero [ 86.769458] ------------[ cut here ]------------ ] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020[ 86.774638] refcount_t: underflow; use-after-free. 000 # [ 83.763651] irq event stamp: 0 # [ 83.773428] hardi[ 86.786272] WARNING: CPU: 2 PID: 2252 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 [ 86.801916] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 86.817980] CPU: 2 PID: 2252 Comm: cat Tainted: G D W 5.10.138-cip15 #1 [ 86.826691] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 86.833336] RIP: 0010:refcount_warn_saturate+0xba/0x110 [ 86.839203] Code: 01 01 e8 84 5b 98 00 0f 0b c3 cc cc cc cc 80 3d c5 4d 74 01 00 75 85 48 c7 c7 98 46 e6 95 c6 05 b5 4d 74 01 01 e8 61 5b 98 00 <0f> 0b c3 cc cc cc cc 80 3d a0 4d 74 01 00 0f 85 5e ff ff ff 48 c7 [ 86.860218] RSP: 0018:ffffb6eb82937e40 EFLAGS: 00010286 [ 86.866081] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000 [ 86.874082] RDX: ffff99247bd2c660 RSI: ffff99247bd1bf70 RDI: ffff99247bd1bf70 [ 86.882081] RBP: ffffffff95ec8790 R08: 0000000000000000 R09: 0000000000000000 [ 86.890075] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f [ 86.898072] R13: ffffb6eb82937f10 R14: ffffb6eb82937f10 R15: ffff9924058ab000 [ 86.906072] FS: 00007f74265c6580(0000) GS:ffff99247bd00000(0000) knlGS:0000000000000000 [ 86.915137] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 86.921581] CR2: 00007f74263df000 CR3: 0000000103df6000 CR4: 00000000003506e0 [ 86.929578] Call Trace: [ 86.932344] __refcount_sub_and_test.constprop.0+0x3c/0x50 [ 86.938503] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x78 [ 86.944763] direct_entry.cold+0x2c/0x38 [ 86.949177] full_proxy_write+0x56/0x80 [ 86.953493] vfs_write+0xea/0x3a0 [ 86.957225] ksys_write+0x68/0xf0 [ 86.960960] do_syscall_64+0x33/0x40 [ 86.964982] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 86.970644] RIP: 0033:0x7f74264eef33 [ 86.974663] 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 [ 86.995670] RSP: 002b:00007fff7f47d6c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 87.004156] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f74264eef33 [ 87.012153] RDX: 000000000000001f RSI: 00007f74263df000 RDI: 0000000000000001 [ 87.020152] RBP: 00007f74263df000 R08: 00007f74263de010 R09: 0000000000000000 [ 87.028148] R10: 00007f74265e91c0 R11: 0000000000000246 R12: 0000000000000001 [ 87.036145] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 rqs last enabled at (0): [<0000000000000000>] 0x0 # [ 83.786[ 87.044149] irq event stamp: 0 530] hardirqs last disabled at (0): [] copy_pr[ 87.053769] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 87.067001] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 87.076166] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 87.085331] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 87.092360] ---[ end trace b14a4b6e27830289 ]--- [ 87.097541] lkdtm: Negative detected: saturated ocess+0x640/0x1c80 # [ 83.801920] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 83.817253] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 83.830519] ---[ end trace b14a4b6e27830284 ]--- # [ 83.841861] lkdtm: Overflow detected: saturated # REFCOUNT_ADD_OVERFLOW: saw 'call trace:': ok ok 43 selftests: lkdtm: REFCOUNT_ADD_OVERFLOW.sh # selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh # [ 84.174331] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW # [ 84.183973] lkdtm: attempting bad refcount_inc_not_zero() overflow # [ 84.190930] ------------[ cut here ]------------ # [ 84.196113] refcount_t: saturated; leaking memory. # [ 84.201533] WARNING: CPU: 1 PID: 2118 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 84.217146] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 84.233152] CPU: 1 PID: 2118 Comm: cat Tainted: G D W 5.10.138-cip15 #1 # [ 84.241828] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 84.248509] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 84.254392] Code: 01 01 e8 a7 5b 98 00 0f 0b c3 cc cc cc cc 80 3d eb 4d 74 01 00 75 a8 48 c7 c7 40 46 e6 95 c6 05 db 4d 74 01 01 e8 84 5b 98 00 <0f> 0b c3 cc cc cc cc 80 3d c5 4d 74 01 00 75 85 48 c7 c7 98 46 e6 # [ 84.275402] RSP: 0018:ffffb6eb82727e38 EFLAGS: 00010282 # [ 84.281264] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 # [ 84.289249] RDX: ffff99247bcac660 RSI: ffff99247bc9bf70 RDI: ffff99247bc9bf70 # [ 84.297243] RBP: ffffffff95ec8750 R08: 0000000000000000 R09: 0000000000000000 # [ 84.305236] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 84.313230] R13: ffffb6eb82727f10 R14: ffffb6eb82727f10 R15: ffff992402ca4000 # [ 84.321226] FS: 00007f49615c3580(0000) GS:ffff99247bc80000(0000) knlGS:0000000000000000 # [ 84.330288] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 84.336729] CR2: 00007f49613dc000 CR3: 0000000104da8000 CR4: 00000000003506e0 # [ 84.344723] Call Trace: # [ 84.347484] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 84.353648] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x76 # [ 84.359902] direct_entry.cold+0x2c/0x38 # [ 84.364314] full_proxy_write+0x56/0x80 # [ 84.368626] vfs_write+0xea/0x3a0 # [ 84.372352] ksys_write+0x68/0xf0 # [ 84.376082] do_syscall_64+0x33/0x40 # [ 84.380101] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 84.385771] RIP: 0033:0x7f49614ebf33 # [ 84.389790] 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 # [ 84.410796] RSP: 002b:00007ffc1a17e3e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 84.419281] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f49614ebf33 # [ 84.427275] RDX: 000000000000001f RSI: 00007f49613dc000 RDI: 0000000000000001 # [ 84.435269] RBP: 00007f49613dc000 R08: 00007f49613db010 R09: 0000000000000000 # [ 84.443267] R10: 00007f49615e61c0 R11: 0000000000000246 R12: 0000000[ 87.414628] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE [ 87.427348] lkdtm: attempting bad refcount_sub_and_test() below zero [ 87.434486] ------------[ cut here ]------------ 000000001 # [ 84.451260] R13: 0000000000000001 R14: 000000000[ 87.439662] refcount_t: underflow; use-after-free. 0020000 R15: 0000000000020000 # [ 84.459264] irq event stamp:[ 87.451294] WARNING: CPU: 1 PID: 2287 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 [ 87.466952] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 87.482950] CPU: 1 PID: 2287 Comm: cat Tainted: G D W 5.10.138-cip15 #1 [ 87.491680] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 87.498358] RIP: 0010:refcount_warn_saturate+0xba/0x110 [ 87.504225] Code: 01 01 e8 84 5b 98 00 0f 0b c3 cc cc cc cc 80 3d c5 4d 74 01 00 75 85 48 c7 c7 98 46 e6 95 c6 05 b5 4d 74 01 01 e8 61 5b 98 00 <0f> 0b c3 cc cc cc cc 80 3d a0 4d 74 01 00 0f 85 5e ff ff ff 48 c7 [ 87.525235] RSP: 0018:ffffb6eb829cfe40 EFLAGS: 00010286 [ 87.531095] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000 [ 87.539088] RDX: ffff99247bcac660 RSI: ffff99247bc9bf70 RDI: ffff99247bc9bf70 [ 87.547081] RBP: ffffffff95ec87b0 R08: 0000000000000000 R09: 0000000000000000 [ 87.555075] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f [ 87.563071] R13: ffffb6eb829cff10 R14: ffffb6eb829cff10 R15: ffff992404094000 [ 87.571065] FS: 00007f30c25a1580(0000) GS:ffff99247bc80000(0000) knlGS:0000000000000000 [ 87.580128] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 87.586568] CR2: 00007f30c23ba000 CR3: 0000000104e1a000 CR4: 00000000003506e0 [ 87.594560] Call Trace: [ 87.597321] __refcount_sub_and_test.constprop.0+0x3c/0x50 [ 87.603476] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x7b [ 87.609731] direct_entry.cold+0x2c/0x38 [ 87.614143] full_proxy_write+0x56/0x80 [ 87.618455] vfs_write+0xea/0x3a0 [ 87.622182] ksys_write+0x68/0xf0 [ 87.625915] do_syscall_64+0x33/0x40 [ 87.629934] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 87.635603] RIP: 0033:0x7f30c24c9f33 [ 87.639619] 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 [ 87.660629] RSP: 002b:00007fff4e4df058 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 87.669116] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f30c24c9f33 [ 87.677099] RDX: 000000000000001f RSI: 00007f30c23ba000 RDI: 0000000000000001 [ 87.685094] RBP: 00007f30c23ba000 R08: 00007f30c23b9010 R09: 0000000000000000 [ 87.693085] R10: 00007f30c25c41c0 R11: 0000000000000246 R12: 0000000000000001 [ 87.701077] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 0 # [ 84.462706] hardirqs last enabled at (0): [<0000000000[ 87.709079] irq event stamp: 0 000000>] 0x0 # [ 84.475923] hardirqs last disabled at (0): [<[ 87.718702] hardirqs last enabled at (0): [<0000000000000000>] 0x0 ffffffff94700ce0>] copy_process+0x640/0x1c80 # [ 84.491281] s[ 87.731932] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 87.747297] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 87.756459] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 87.763481] ---[ end trace b14a4b6e2783028a ]--- [ 87.768657] lkdtm: Negative detected: saturated oftirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 84.506647] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 84.513672] ---[ end trace b14a4b6e27830285 ]--- # [ 84.518851] 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 # [ 84.814400] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW # [ 84.823758] lkdtm: attempting bad refcount_add_not_zero() overflow # [ 84.830705] ------------[ cut here ]------------ # [ 84.835891] refcount_t: saturated; leaking memory. # [ 84.841311] WARNING: CPU: 1 PID: 2150 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 84.850761] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 84.866760] CPU: 1 PID: 2150 Comm: cat Tainted: G D W 5.10.138-cip15 #1 # [ 84.875435] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 84.882083] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 84.887947] Code: 01 01 e8 a7 5b 98 00 0f 0b c3 cc cc cc cc 80 3d eb 4d 74 01 00 75 a8 48 c7 c7 40 46 e6 95 c6 05 db 4d 74 01 01 e8 84 5b 98 00 <0f> 0b c3 cc cc cc cc 80 3d c5 4d 74 01 00 75 85 48 c7 c7 98 46 e6 # [ 84.908956] RSP: 0018:ffffb6eb826cfe38 EFLAGS: 00010282 # [ 84.914817] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 # [ 84.922810] RDX: ffff99247bcac660 RSI: ffff99247bc9bf70 RDI: ffff99247bc9bf70 # [ 84.930805] RBP: ffffffff95ec8770 R08: 0000000000000000 R09: 0000000000000000 # [ 84.938804] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 84.946806] R13: ffffb6eb826cff10 R14: ffffb6eb826cff10 R15: ffff992402c48000 # [ 84.954804] FS: 00007f72c7930580(0000) GS:ffff99247bc80000(0000) knlGS:0000000000000000 # [ 84.963869] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 84.970309] CR2: 00007f72c7749000 CR3: 0000000105b9e000 CR4: 00000000003506e0 # [ 84.978303] Call Trace: # [ 84.981063] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 84.987221] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x76 # [ 84.993473] direct_entry.cold+0x2c/0x38 # [ 84.997896] full_proxy_write+0x56/0x80 # [ 85.002205] vfs_write+0xea/0x3a0 # [ 85.005931] ksys_write+0x68/0xf0 # [ 85.009670] do_syscall_64+0x33/0x40 # [ 85.013689] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 85.019365] RIP: 0033:0x7f72c7858f33 # [ 85.023384] 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 # [ 85.044406] RSP: 002b:00007ffeef8e7918 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 85.052901] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f72c7858f33 # [ 85.060897] RDX: 000000000000001f RSI: 00007f72c7749000 RDI: 0000000000000001 # [ 85.068902] RBP: 00007f72c7749000 R08: 00007f72c7748010 R09: 0000000000000000 # [ 85.076898] R10: 00007f7[ 88.078568] lkdtm: Performing direct entry REFCOUNT_INC_ZERO 2c79531c0 R11: 0000000000000246 R12: 0000000000000001 # [ 85.[ 88.090979] lkdtm: attempting safe refcount_inc_not_zero() from zero 084899] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000[ 88.104330] lkdtm: Good: zero detected 000020000 # [ 85.092905] irq event stamp: 0 # [ 85.102529][ 88.114775] lkdtm: Correctly stayed at zero hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ [ 88.125690] lkdtm: attempting bad refcount_inc() from zero 85.115754] hardirqs last disabled at (0): [] c[ 88.138047] ------------[ cut here ]------------ opy_process+0x640/0x1c80 # [ 85.131119] softirqs last enable[ 88.149413] refcount_t: addition on 0; use-after-free. d at (0): [] copy_process+0x640/0x1c80 # [ [ 88.161423] WARNING: CPU: 3 PID: 2319 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 85.140287] softirqs last disabled at (0): [<0000000000000000>] 0[ 88.177029] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify x0 # [ 85.147311] ---[ end trace b14a4b6e27830286 ]--- # [ [ 88.199221] CPU: 3 PID: 2319 Comm: cat Tainted: G D W 5.10.138-cip15 #1 85.152489] lkdtm: Overflow detected: saturated # REFCOUNT_ADD_[ 88.214078] Hardware name: Google Coral/Coral, BIOS 09/29/2020 NOT_ZERO_OVERFLOW: saw 'call trace:': ok ok 45 selftests: lkdtm[ 88.226950] RIP: 0010:refcount_warn_saturate+0x74/0x110 : REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh # selftests: lkdtm: REFCOUN[ 88.238999] Code: 01 01 e8 ca 5b 98 00 0f 0b c3 cc cc cc cc 80 3d 0c 4e 74 01 00 75 cb 48 c7 c7 68 46 e6 95 c6 05 fc 4d 74 01 01 e8 a7 5b 98 00 <0f> 0b c3 cc cc cc cc 80 3d eb 4d 74 01 00 75 a8 48 c7 c7 40 46 e6 T_DEC_ZERO.sh # [ 85.452869] lkdtm: Performing direct entry R[ 88.266229] RSP: 0018:ffffb6eb82a6fe48 EFLAGS: 00010286 EFCOUNT_DEC_ZERO # [ 85.462379] lkdtm: attempting good refcou[ 88.278281] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000 nt_dec() # [ 85.467656] lkdtm: attempting bad refcount_dec() [ 88.292513] RDX: ffff99247bdac660 RSI: ffff99247bd9bf70 RDI: ffff99247bd9bf70 to zero # [ 85.473619] ------------[ cut here ]------------ [ 88.306694] RBP: ffffffff95ec8b51 R08: 0000000000000000 R09: 0000000000000000 # [ 85.485003] refcount_t: decrement hit 0; leaking memory. #[ 88.320931] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 [ 85.497208] WARNING: CPU: 1 PID: 2182 at lib/refcount.c:31 r[ 88.335106] R13: ffffb6eb82a6ff10 R14: ffffb6eb82a6ff10 R15: ffff9924029db000 efcount_warn_saturate+0xfb/0x110 # [ 85.506663] Modules linke[ 88.349332] FS: 00007f87820ff580(0000) GS:ffff99247bd80000(0000) knlGS:0000000000000000 d in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debu[ 88.364585] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 gfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_[ 88.377300] CR2: 00007f8781f18000 CR3: 0000000105bdc000 CR4: 00000000003506e0 notify # [ 85.522675] CPU: 1 PID: 2182 Comm: cat Tainted: G [ 88.391828] Call Trace: D W 5.10.138-cip15 #1 # [ 85.531352] Hardware nam[ 88.400462] lkdtm_REFCOUNT_INC_ZERO+0x99/0xc1 e: Google Coral/Coral, BIOS 09/29/2020 # [ 85.537994] RIP: 0[ 88.411869] direct_entry.cold+0x2c/0x38 010:refcount_warn_saturate+0xfb/0x110 # [ 85.543856] Code: f0[ 88.422423] full_proxy_write+0x56/0x80 46 e6 95 c6 05 8c 4d 74 01 01 e8 3a 5b 98 00 0f 0b c3 cc cc cc [ 88.432870] vfs_write+0xea/0x3a0 cc 48 c7 c7 c0 46 e6 95 c6 05 73 4d 74 01 01 e8 20 5b 98 00 <0f>[ 88.442800] ksys_write+0x68/0xf0 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b[ 88.452630] do_syscall_64+0x33/0x40 # [ 85.571059] RSP: 0018:ffffb6eb82817e48 EFLAGS: 00010286 #[ 88.463042] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 85.576924] RAX: 0000000000000000 RBX: 000000000000002f RCX:[ 88.474798] RIP: 0033:0x7f8782027f33 0000000000000000 # [ 85.584931] RDX: ffff99247bcac660 RSI: f[ 88.485055] 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 fff99247bc9bf70 RDI: ffff99247bc9bf70 # [ 85.592932] RBP: fff[ 88.512177] RSP: 002b:00007fffcdcd1c38 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 fffff95ec8b29 R08: 0000000000000000 R09: 0000000000000000 # [ [ 88.526881] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f8782027f33 85.600931] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000[ 88.541025] RDX: 0000000000000012 RSI: 00007f8781f18000 RDI: 0000000000000001 0000000000012 # [ 85.608931] R13: ffffb6eb82817f10 R14: ffffb[ 88.555335] RBP: 00007f8781f18000 R08: 00007f8781f17010 R09: 0000000000000000 6eb82817f10 R15: ffff992405b9a000 # [ 85.616933] FS: 00007f6[ 88.569517] R10: 00007f87821221c0 R11: 0000000000000246 R12: 0000000000000001 51f2bb580(0000) GS:ffff99247bc80000(0000) knlGS:0000000000000000[ 88.583733] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 85.626003] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005[ 88.597935] irq event stamp: 0 0033 # [ 85.632451] CR2: 00007f651f0d4000 CR3: 0000000104cb00[ 88.607494] hardirqs last enabled at (0): [<0000000000000000>] 0x0 00 CR4: 00000000003506e0 # [ 85.640449] Call Trace: # [ 85[ 88.620769] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 .643217] lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xbd # [ 85.648221] d[ 88.636093] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 irect_entry.cold+0x2c/0x38 # [ 85.652637] full_proxy_write+0[ 88.651499] softirqs last disabled at (0): [<0000000000000000>] 0x0 x56/0x80 # [ 85.656953] vfs_write+0xea/0x3a0 # [ 85.66068[ 88.664700] ---[ end trace b14a4b6e2783028b ]--- 8] ksys_write+0x68/0xf0 # [ 85.664423] do_syscall_64+0x33/0[ 88.676088] lkdtm: Zero detected: saturated x40 # [ 85.668448] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 85.674124] RIP: 0033:0x7f651f1e3f33 # [ 85.678144] 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 # [ 85.699159] RSP: 002b:00007ffd3ba99e58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 85.707652] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f651f1e3f33 # [ 85.715661] RDX: 0000000000000012 RSI: 00007f651f0d4000 RDI: 0000000000000001 # [ 85.723659] RBP: 00007f651f0d4000 R08: 00007f651f0d3010 R09: 0000000000000000 # [ 85.731660] R10: 00007f651f2de1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 85.739660] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 85.747665] irq event stamp: 0 # [ 85.757288] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 85.764311] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 85.773471] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 85.782645] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 85.789673] ---[ end trace b14a4b6e27830287 ]--- # [ 85.794854] 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 # [ 86.112944] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE # [ 86.123349] lkdtm: attempting bad refcount_dec() below zero # [ 86.129614] ------------[ cut here ]------------ # [ 86.134792] refcount_t: decrement hit 0; leaking memory. # [ 86.140804] WARNING: CPU: 2 PID: 2217 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 86.150260] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 86.166259] CPU: 2 PID: 2217 Comm: cat Tainted: G D W 5.10.138-cip15 #1 # [ 86.174949] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 86.181592] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 86.187457] Code: f0 46 e6 95 c6 05 8c 4d 74 01 01 e8 3a 5b 98 00 0f 0b c3 cc cc cc cc 48 c7 c7 c0 46 e6 95 c6 05 73 4d 74 01 01 e8 20 5b 98 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 86.208467] RSP: 0018:ffffb6eb828afe48 EFLAGS: 00010286 # [ 86.214326] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000 # [ 86.222319] RDX: ffff99247bd2c660 RSI: ffff99247bd1bf70 RDI: ffff99247bd1bf70 # [ 86.230313] RBP: ffffffff95ec8b3b R08: 0000000000000000 R09: 0000000000000000 # [ 86.238313] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 86.246308] R13: ffffb6eb828aff10 R14: ffffb6eb828aff10 R15: ffff992404e14000 # [ 86.254305] FS: 00007f44185ae580(0000) GS:ffff99247bd00000(0000) knlGS:0000000000000000 # [ 86.263369] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 86.269801] CR2: 00007f44183c7000 CR3: 0000000104132000 CR4: 00000000003506e0 # [ 86.277801] Call Trace: # [ 86.280563] lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x61 # [ 86.285944] direct_entry.col[ 88.999531] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO [ 89.010326] lkdtm: attempting safe refcount_add_not_zero() from zero d+0x2c/0x38 # [ 86.290355] full_proxy_write+0x56/0x80 # [ [ 89.017468] lkdtm: Good: zero detected 86.294661] vfs_write+0xea/0x3a0 # [ 86.298390] ksys_write+[ 89.027898] lkdtm: Correctly stayed at zero 0x68/0xf0 # [ 86.302127] do_syscall_64+0x33/0x40 # [ 86.3[ 89.038783] lkdtm: attempting bad refcount_add() from zero [ 89.051144] ------------[ cut here ]------------ [ 89.056325] refcount_t: addition on 0; use-after-free. 06146] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 86.31181[ 89.062143] WARNING: CPU: 0 PID: 2351 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 5] RIP: 0033:0x7f44184d6f33 # [ 86.315832] Code: 8b 15 61 ef [ 89.077773] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 0[ 89.100030] CPU: 0 PID: 2351 Comm: cat Tainted: G D W 5.10.138-cip15 #1 [ 89.114908] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 89.121551] RIP: 0010:refcount_warn_saturate+0x74/0x110 [ 89.127415] Code: 01 01 e8 ca 5b 98 00 0f 0b c3 cc cc cc cc 80 3d 0c 4e 74 01 00 75 cb 48 c7 c7 68 46 e6 95 c6 05 fc 4d 74 01 01 e8 a7 5b 98 00 <0f> 0b c3 cc cc cc cc 80 3d eb 4d 74 01 00 75 a8 48 c7 c7 40 46 e6 [ 89.148426] RSP: 0018:ffffb6eb82affe48 EFLAGS: 00010286 [ 89.154285] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000 [ 89.162280] RDX: ffff99247bc2c660 RSI: ffff99247bc1bf70 RDI: ffff99247bc1bf70 [ 89.170273] RBP: ffffffff95ec8b63 R08: 0000000000000000 R09: 0000000000000000 [ 89.178264] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 [ 89.186256] R13: ffffb6eb82afff10 R14: ffffb6eb82afff10 R15: ffff9924029a9000 [ 89.194254] FS: 00007f2f06cce580(0000) GS:ffff99247bc00000(0000) knlGS:0000000000000000 [ 89.203316] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 89.209757] CR2: 00007f2f06ae7000 CR3: 0000000104790000 CR4: 00000000003506f0 [ 89.217750] Call Trace: [ 89.220514] lkdtm_REFCOUNT_ADD_ZERO+0x99/0xc1 [ 89.225510] direct_entry.cold+0x2c/0x38 [ 89.229923] full_proxy_write+0x56/0x80 [ 89.234237] vfs_write+0xea/0x3a0 4 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 [ 89.237966] ksys_write+0x68/0xf0 [ 89.247906] do_syscall_64+0x33/0x40 [ 89.251928] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 89.257601] RIP: 0033:0x7f2f06bf6f33 [ 89.261619] 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 [ 89.282627] RSP: 002b:00007ffeef781868 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 89.291113] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f2f06bf6f33 [ 89.299109] RDX: 0000000000000012 RSI: 00007f2f06ae7000 RDI: 0000000000000001 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 86.[ 89.307105] RBP: 00007f2f06ae7000 R08: 00007f2f06ae6010 R09: 0000000000000000 336848] RSP: 002b:00007fffec8b4598 EFLAGS: 00000246 ORIG_RAX: 00[ 89.321298] R10: 00007f2f06cf11c0 R11: 0000000000000246 R12: 0000000000000001 [ 89.335512] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 89.343521] irq event stamp: 0 [ 89.346957] hardirqs last enabled at (0): [<0000000000000000>] 0x0 00000000000001 # [ 86.345333] RAX: ffffffffffffffda RBX: 0000[ 89.353981] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 89.369333] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 89.378495] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 89.385520] ---[ end trace b14a4b6e2783028c ]--- [ 89.390697] lkdtm: Zero detected: saturated 000000000016 RCX: 00007f44184d6f33 # [ 86.353333] RDX: 0000000000000016 RSI: 00007f44183c7000 RDI: 0000000000000001 # [ 86.361327] RBP: 00007f44183c7000 R08: 00007f44183c6010 R09: 0000000000000000 # [ 86.369325] R10: 00007f44185d11c0 R11: 0000000000000246 R12: 0000000000000001 # [ 86.377319] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 86.385328] irq event stamp: 0 # [ 86.388770] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 86.401991] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 86.411146] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 86.426528] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 86.433557] ---[ end trace b14a4b6e27830288 ]--- # [ 86.438734] 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 # [ 86.749939] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE # [ 86.762312] lkdtm: attempting bad refcount_dec_and_test() below zero # [ 86.769458] ------------[ cut here ]------------ # [ 86.774638] refcount_t: underflow; use-after-free. # [ 86.786272] WARNING: CPU: 2 PID: 2252 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 86.801916] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 86.817980] CPU: 2 PID: 2252 Comm: cat Tainted: G D W 5.10.138-cip15 #1 # [ 86.826691] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 86.833336] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 86.839203] Code: 01 01 e8 84 5b 98 00 0f 0b c3 cc cc cc cc 80 3d c5 4d 74 01 00 75 85 48 c7 c7 98 46 e6 95 c6 05 b5 4d 74 01 01 e8 61 5b 98 00 <0f> 0b c3 cc cc cc cc 80 3d a0 4d 74 01 00 0f 85 5e ff ff ff 48 c7 # [ 86.860218] RSP: 0018:ffffb6eb82937e40 EFLAGS: 00010286 # [ 86.866081] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000 # [ 86.874082] RDX: ffff99247bd2c660 RSI: ffff99247bd1bf70 RDI: ffff99247bd1bf70 # [ 86.882081] RBP: ffffffff95ec8790 R08: 0000000000000000 R09: 0000000000000000 # [ 86.890075] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 86.898072] R13: ffffb6eb82937f10 R14: ffffb6eb82937f10 R15: ffff9924058ab000 # [ 86.906072] FS: 00007f74265c6580(0000) GS:ffff99247bd00000(0000) knlGS:0000000000000000 # [ 86.915137] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 86.921581] CR2: 00007f74263df000 CR3: 0000000103df6000 CR4: 00000000003506e0 # [ 86.929578] Call Trace: # [ 86.932344] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 86.938503] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x78 # [ 86.944763] direct_entry.cold+0x2c/0x38 # [ 86.949177] full_proxy_write+0x56/0x80 # [ 86.953493] vfs_write+0xea/0x3a0 # [ 86.957225] ksys_write+0x68/0xf0 # [ 86.960960] do_syscall_64+0x33/0x40 # [ 86.964982] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 86.970644] RIP: 0033:0x7f74[ 89.705877] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED 264eef33 # [ 86.974663] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 0[ 89.713118] lkdtm: attempting bad refcount_inc() from saturated 2 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85[ 89.725959] ------------[ cut here ]------------ c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1[ 89.737389] refcount_t: saturated; leaking memory. f 40 00 48 83 ec 28 48 89 54 24 18 # [ 86.995670] RSP: 002b:0[ 89.749320] WARNING: CPU: 3 PID: 2386 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 0007fff7f47d6c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [[ 89.764687] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 87.004156] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 0[ 89.787014] CPU: 3 PID: 2386 Comm: cat Tainted: G D W 5.10.138-cip15 #1 0007f74264eef33 # [ 87.012153] RDX: 000000000000001f RSI: 000[ 89.801926] Hardware name: Google Coral/Coral, BIOS 09/29/2020 07f74263df000 RDI: 0000000000000001 # [ 87.020152] RBP: 00007[ 89.814705] RIP: 0010:refcount_warn_saturate+0x51/0x110 f74263df000 R08: 00007f74263de010 R09: 0000000000000000 # [ 8[ 89.826623] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 30 4e 74 01 00 75 ee 48 c7 c7 40 46 e6 95 c6 05 20 4e 74 01 01 e8 ca 5b 98 00 <0f> 0b c3 cc cc cc cc 80 3d 0c 4e 74 01 00 75 cb 48 c7 c7 68 46 e6 7.028148] R10: 00007f74265e91c0 R11: 0000000000000246 R12: 00000[ 89.853974] RSP: 0018:ffffb6eb82b4fe48 EFLAGS: 00010286 00000000001 # [ 87.036145] R13: 0000000000000001 R14: 0000000[ 89.865946] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000 000020000 R15: 0000000000020000 # [ 87.044149] irq event stam[ 89.880168] RDX: ffff99247bdac660 RSI: ffff99247bd9bf70 RDI: ffff99247bd9bf70 p: 0 # [ 87.053769] hardirqs last enabled at (0): [<00000000[ 89.894353] RBP: ffffffff95ec8b75 R08: 0000000000000000 R09: 0000000000000000 00000000>] 0x0 # [ 87.067001] hardirqs last disabled at (0): [ 89.908598] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 [] copy_process+0x640/0x1c80 # [ 87.076166][ 89.922780] R13: ffffb6eb82b4ff10 R14: ffffb6eb82b4ff10 R15: ffff992403be7000 softirqs last enabled at (0): [] copy_proces[ 89.937008] FS: 00007fd3bd9f4580(0000) GS:ffff99247bd80000(0000) knlGS:0000000000000000 s+0x640/0x1c80 # [ 87.085331] softirqs last disabled at (0): [ 89.952256] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [<0000000000000000>] 0x0 # [ 87.092360] ---[ end trace b14a4b[ 89.964960] CR2: 00007fd3bd80d000 CR3: 0000000103ea2000 CR4: 00000000003506e0 6e27830289 ]--- # [ 87.097541] lkdtm: Negative detected: satu[ 89.979126] Call Trace: rated # REFCOUNT_DEC_AND_TEST_NEGATIVE: saw 'Negative detected:[ 89.988128] lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x64 saturated': ok ok 48 selftests: lkdtm: REFCOUNT_DEC_AND_TEST_N[ 89.999748] direct_entry.cold+0x2c/0x38 EGATIVE.sh # selftests: lkdtm: REFCOUNT_SUB_AND_TEST_NEGATIVE.s[ 90.010393] full_proxy_write+0x56/0x80 h # [ 87.414628] lkdtm: Performing direct entry REFCOUNT_SUB_[ 90.020974] vfs_write+0xea/0x3a0 AND_TEST_NEGATIVE # [ 87.427348] lkdtm: attempting bad refcou[ 90.030801] ksys_write+0x68/0xf0 nt_sub_and_test() below zero # [ 87.434486] ------------[ cut[ 90.040717] do_syscall_64+0x33/0x40 here ]------------ # [ 87.439662] refcount_t: underflow; use[ 90.051023] entry_SYSCALL_64_after_hwframe+0x61/0xc6 -after-free. # [ 87.451294] WARNING: CPU: 1 PID: 2287 at lib/[ 90.062868] RIP: 0033:0x7fd3bd91cf33 refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 87.466952[ 90.073207] 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 ] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightb[ 90.100344] RSP: 002b:00007ffef242b6f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 ar cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_[ 90.115069] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007fd3bd91cf33 dev cros_usbpd_notify # [ 87.482950] CPU: 1 PID: 2287 Comm: c[ 90.129230] RDX: 0000000000000017 RSI: 00007fd3bd80d000 RDI: 0000000000000001 at Tainted: G D W 5.10.138-cip15 #1 # [ 87.49168[ 90.143498] RBP: 00007fd3bd80d000 R08: 00007fd3bd80c010 R09: 0000000000000000 0] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 87[ 90.157645] R10: 00007fd3bda171c0 R11: 0000000000000246 R12: 0000000000000001 .498358] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 87.5[ 90.171903] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 04225] Code: 01 01 e8 84 5b 98 00 0f 0b c3 cc cc cc cc 80 3d c5 [ 90.186079] irq event stamp: 0 4d 74 01 00 75 85 48 c7 c7 98 46 e6 95 c6 05 b5 4d 74 01 01 e8 6[ 90.195723] hardirqs last enabled at (0): [<0000000000000000>] 0x0 1 5b 98 00 <0f> 0b c3 cc cc cc cc 80 3d a0 4d 74 01 00 0f 85 5e [ 90.208968] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 ff ff ff 48 c7 # [ 87.525235] RSP: 0018:ffffb6eb829cfe40 EFLA[ 90.224343] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 GS: 00010286 # [ 87.531095] RAX: 0000000000000000 RBX: 000000[ 90.239694] softirqs last disabled at (0): [<0000000000000000>] 0x0 0000000032 RCX: 0000000000000000 # [ 87.539088] RDX: ffff9924[ 90.252979] ---[ end trace b14a4b6e2783028d ]--- 7bcac660 RSI: ffff99247bc9bf70 RDI: ffff99247bc9bf70 # [ 87.5[ 90.264327] lkdtm: Saturation detected: still saturated 47081] RBP: ffffffff95ec87b0 R08: 0000000000000000 R09: 0000000000000000 # [ 87.555075] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 87.563071] R13: ffffb6eb829cff10 R14: ffffb6eb829cff10 R15: ffff992404094000 # [ 87.571065] FS: 00007f30c25a1580(0000) GS:ffff99247bc80000(0000) knlGS:0000000000000000 # [ 87.580128] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 87.586568] CR2: 00007f30c23ba000 CR3: 0000000104e1a000 CR4: 00000000003506e0 # [ 87.594560] Call Trace: # [ 87.597321] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 87.603476] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x7b # [ 87.609731] direct_entry.cold+0x2c/0x38 # [ 87.614143] full_proxy_write+0x56/0x80 # [ 87.618455] vfs_write+0xea/0x3a0 # [ 87.622182] ksys_write+0x68/0xf0 # [ 87.625915] do_syscall_64+0x33/0x40 # [ 87.629934] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 87.635603] RIP: 0033:0x7f30c24c9f33 # [ 87.639619] 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 # [ 87.660629] RSP: 002b:00007fff4e4df058 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 87.669116] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f30c24c9f33 # [ 87.677099] RDX: 000000000000001f RSI: 00007f30c23ba000 RDI: 0000000000000001 # [ 87.685094] RBP: 00007f30c23ba000 R08: 00007f30c23b9010 R09: 0000000000000000 # [ 87.693085] R10: 00007f30c25c41c0 R11: 0000000000000246 R12: 0000000000000001 # [ 87.701077] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 87.709079] irq event stamp: 0 # [ 87.718702] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 87.731932] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 87.747297] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 87.756459] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 87.763481] ---[ end trace b14a4b6e2783028a ]--- # [ 87.768657] 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 # [ 88.078568] lkdtm: Performing direct entry REFCOUNT_INC_ZERO # [ 88.090979] lkdtm: attempting safe refcount_inc_not_zero() from zero # [ 88.104330] lkdtm: Good: zero detected # [ 88.114775] lkdtm: Correctly stayed at zero # [ 88.125690] lkdtm: attempting bad refcount_inc() from zero # [ 88.138047] ------------[ cut here ]------------ # [ 88.149413] refcount_t: addition on 0; use-after-free. # [ 88.161423] WARNING: CPU: 3 PID: 2319 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 # [ 88.177029] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 88.199221] CPU: 3 PID: 2319 Comm: cat Tainted: G D W 5.10.138-cip15 #1 # [ 88.214078] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 88.226950] RIP: 0010:refcount_warn_saturate+0x74/0x110 # [ 88.238999] Code: 01 01 e8 ca 5b 98 00 0f 0b c3 cc cc cc cc 80 3d 0c 4e 74 01 00 75 cb 48 c7 c7 68 46 e6 95 c6 05 fc 4d 74 01 01 e8 a7 5b 98 00 <0f> 0b c3 cc cc cc cc 80 3d eb 4d 74 01 00 [ 90.611530] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED 75 a8 48 c7 c7 40 46 e6 # [ 88.266229] RSP: 0018:ffffb6eb82a6[ 90.618920] lkdtm: attempting bad refcount_dec() from saturated fe48 EFLAGS: 00010286 # [ 88.278281] RAX: 0000000000000000 RB[ 90.631800] ------------[ cut here ]------------ X: 0000000000000033 RCX: 0000000000000000 # [ 88.292513] RDX:[ 90.643211] refcount_t: decrement hit 0; leaking memory. ffff99247bdac660 RSI: ffff99247bd9bf70 RDI: ffff99247bd9bf70 #[ 90.655402] WARNING: CPU: 3 PID: 2421 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 [ 88.306694] RBP: ffffffff95ec8b51 R08: 0000000000000000 R09:[ 90.671266] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 0000000000000000 # [ 88.320931] R10: 00000000ffffe000 R11: 3[ 90.693300] CPU: 3 PID: 2421 Comm: cat Tainted: G D W 5.10.138-cip15 #1 fffffffffffffff R12: 0000000000000012 # [ 88.335106] R13: fff[ 90.708260] Hardware name: Google Coral/Coral, BIOS 09/29/2020 fb6eb82a6ff10 R14: ffffb6eb82a6ff10 R15: ffff9924029db000 # [ [ 90.721073] RIP: 0010:refcount_warn_saturate+0xfb/0x110 88.349332] FS: 00007f87820ff580(0000) GS:ffff99247bd80000(0000[ 90.733107] Code: f0 46 e6 95 c6 05 8c 4d 74 01 01 e8 3a 5b 98 00 0f 0b c3 cc cc cc cc 48 c7 c7 c0 46 e6 95 c6 05 73 4d 74 01 01 e8 20 5b 98 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b ) knlGS:0000000000000000 # [ 88.364585] CS: 0010 DS: 0000 ES[ 90.760294] RSP: 0018:ffffb6eb82c07e48 EFLAGS: 00010286 : 0000 CR0: 0000000080050033 # [ 88.377300] CR2: 00007f8781f1[ 90.772355] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000 8000 CR3: 0000000105bdc000 CR4: 00000000003506e0 # [ 88.39182[ 90.786547] RDX: ffff99247bdac660 RSI: ffff99247bd9bf70 RDI: ffff99247bd9bf70 8] Call Trace: # [ 88.400462] lkdtm_REFCOUNT_INC_ZERO+0x99/0[ 90.800785] RBP: ffffffff95ec8b8c R08: 0000000000000000 R09: 0000000000000000 xc1 # [ 88.411869] direct_entry.cold+0x2c/0x38 # [ 88.422[ 90.814975] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 423] full_proxy_write+0x56/0x80 # [ 88.432870] vfs_write+0x[ 90.829204] R13: ffffb6eb82c07f10 R14: ffffb6eb82c07f10 R15: ffff992403896000 ea/0x3a0 # [ 88.442800] ksys_write+0x68/0xf0 # [ 88.45263[ 90.843396] FS: 00007fc4dc226580(0000) GS:ffff99247bd80000(0000) knlGS:0000000000000000 0] do_syscall_64+0x33/0x40 # [ 88.463042] entry_SYSCALL_64_[ 90.858691] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 after_hwframe+0x61/0xc6 # [ 88.474798] RIP: 0033:0x7f8782027f[ 90.871319] CR2: 00007fc4dc03f000 CR3: 0000000103b30000 CR4: 00000000003506e0 33 # [ 88.485055] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c[ 90.885545] Call Trace: 7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75[ 90.894517] lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5f 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 0[ 90.906221] direct_entry.cold+0x2c/0x38 0 48 83 ec 28 48 89 54 24 18 # [ 88.512177] RSP: 002b:00007ff[ 90.916799] full_proxy_write+0x56/0x80 fcdcd1c38 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 88.[ 90.927340] vfs_write+0xea/0x3a0 526881] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f8[ 90.937208] ksys_write+0x68/0xf0 782027f33 # [ 88.541025] RDX: 0000000000000012 RSI: 00007f878[ 90.947174] do_syscall_64+0x33/0x40 1f18000 RDI: 0000000000000001 # [ 88.555335] RBP: 00007f8781f[ 90.957467] entry_SYSCALL_64_after_hwframe+0x61/0xc6 18000 R08: 00007f8781f17010 R09: 0000000000000000 # [ 88.5695[ 90.969282] RIP: 0033:0x7fc4dc14ef33 17] R10: 00007f87821221c0 R11: 0000000000000246 R12: 00000000000[ 90.979506] 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 00001 # [ 88.583733] R13: 0000000000000001 R14: 0000000000020[ 91.006711] RSP: 002b:00007ffee200c428 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 000 R15: 0000000000020000 # [ 88.597935] irq event stamp: 0 [ 91.021470] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007fc4dc14ef33 # [ 88.607494] hardirqs last enabled at (0): [<00000000000000[ 91.035609] RDX: 0000000000000017 RSI: 00007fc4dc03f000 RDI: 0000000000000001 00>] 0x0 # [ 88.620769] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 88.636093] softi[ 91.064019] R10: 00007fc4dc2491c0 R11: 0000000000000246 R12: 0000000000000001 rqs last enabled at (0): [] copy_process+0x64[ 91.078240] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 0/0x1c80 # [ 88.651499] softirqs last disabled at (0): [<0000[ 91.092429] irq event stamp: 0 000000000000>] 0x0 # [ 88.664700] ---[ end trace b14a4b6e2783[ 91.102093] hardirqs last enabled at (0): [<0000000000000000>] 0x0 028b ]--- # [ 88.676088] lkdtm: Zero detected: saturated # R[ 91.115295] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 EFCOUNT_INC_ZERO: saw 'call trace:': ok ok 50 selftests: lkdtm:[ 91.130681] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 REFCOUNT_INC_ZERO.sh # selftests: lkdtm: REFCOUNT_ADD_ZERO.sh[ 91.146044] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 88.999531] lkdtm: Performing direct entry REFCOUNT_ADD_ZE[ 91.159287] ---[ end trace b14a4b6e2783028e ]--- RO # [ 89.010326] lkdtm: attempting safe refcount_add_not_zer[ 91.170637] lkdtm: Saturation detected: still saturated o() from zero # [ 89.017468] lkdtm: Good: zero detected # [ 89.027898] lkdtm: Correctly stayed at zero # [ 89.038783] lkdtm: attempting bad refcount_add() from zero # [ 89.051144] ------------[ cut here ]------------ # [ 89.056325] refcount_t: addition on 0; use-after-free. # [ 89.062143] WARNING: CPU: 0 PID: 2351 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 # [ 89.077773] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 89.100030] CPU: 0 PID: 2351 Comm: cat Tainted: G D W 5.10.138-cip15 #1 # [ 89.114908] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 89.121551] RIP: 0010:refcount_warn_saturate+0x74/0x110 # [ 89.127415] Code: 01 01 e8 ca 5b 98 00 0f 0b c3 cc cc cc cc 80 3d 0c 4e 74 01 00 75 cb 48 c7 c7 68 46 e6 95 c6 05 fc 4d 74 01 01 e8 a7 5b 98 00 <0f> 0b c3 cc cc cc cc 80 3d eb 4d 74 01 00 75 a8 48 c7 c7 40 46 e6 # [ 89.148426] RSP: 0018:ffffb6eb82affe48 EFLAGS: 00010286 # [ 89.154285] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000 # [ 89.162280] RDX: ffff99247bc2c660 RSI: ffff99247bc1bf70 RDI: ffff99247bc1bf70 # [ 89.170273] RBP: ffffffff95ec8b63 R08: 0000000000000000 R09: 0000000000000000 # [ 89.178264] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 89.186256] R13: ffffb6eb82afff10 R14: ffffb6eb82afff10 R15: ffff9924029a9000 # [ 89.194254] FS: 00007f2f06cce580(0000) GS:ffff99247bc00000(0000) knlGS:0000000000000000 # [ 89.203316] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 89.209757] CR2: 00007f2f06ae7000 CR3: 0000000104790000 CR4: 00000000003506f0 # [ 89.217750] Call Trace: # [ 89.220514] lkdtm_REFCOUNT_ADD_ZERO+0x99/0xc1 # [ 89.225510] direct_entry.cold+0x2c/0x38 # [ 89.229923] full_proxy_write+0x56/0x80 # [ 89.234237] vfs_write+0xea/0x3a0 # [ 89.237966] ksys_write+0x68/0xf0 # [ 89.247906] do_syscall_64+0x33/0x40 # [ 89.251928] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 89.257601] RIP: 0033:0x7f2f06bf6f33 # [ 89.261619] 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 # [ 89.282627] RSP: 002b:00007ffeef781868 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 89.291113] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f2f06bf6f33 # [ 89.299109] RDX: 0000000000000012 RSI: 00007f2f06ae7000 RDI: 0000000000000001 # [ 89.307105] RBP: 00007f2f06ae7000 R08: 00007f2f06ae6010 R09: 0000000000000000 # [ 89.321298] R10: 00007f2f06cf11c0 R11: 0000000000000246 R12: 0000000000000001 # [ 89.335512] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 89.343521] irq event stamp: 0 # [ 89.346957] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 89.353981] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 89.369333] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 89.378495] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 89.385520] ---[ end trace [ 91.495385] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED b14a4b6e2783028c ]--- # [ 89.390697] lkdtm: Zero detected: sa[ 91.506506] lkdtm: attempting bad refcount_dec() from saturated turated # REFCOUNT_ADD_ZERO: saw 'call trace:': ok ok 51 selft[ 91.519346] ------------[ cut here ]------------ ests: lkdtm: REFCOUNT_ADD_ZERO.sh # selftests: lkdtm: REFCOUNT_[ 91.530778] refcount_t: saturated; leaking memory. INC_SATURATED.sh # [ 89.705877] lkdtm: Performing direct entr[ 91.542667] WARNING: CPU: 3 PID: 2456 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 y REFCOUNT_INC_SATURATED # [ 89.713118] lkdtm: attempting bad[ 91.558032] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify refcount_inc() from saturated # [ 89.725959] ------------[ c[ 91.580380] CPU: 3 PID: 2456 Comm: cat Tainted: G D W 5.10.138-cip15 #1 ut here ]------------ # [ 89.737389] refcount_t: saturated; l[ 91.595249] Hardware name: Google Coral/Coral, BIOS 09/29/2020 eaking memory. # [ 89.749320] WARNING: CPU: 3 PID: 2386 at li[ 91.608062] RIP: 0010:refcount_warn_saturate+0x51/0x110 b/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 89.7646[ 91.620009] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 30 4e 74 01 00 75 ee 48 c7 c7 40 46 e6 95 c6 05 20 4e 74 01 01 e8 ca 5b 98 00 <0f> 0b c3 cc cc cc cc 80 3d 0c 4e 74 01 00 75 cb 48 c7 c7 68 46 e6 87] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_ligh[ 91.647348] RSP: 0018:ffffb6eb82c77e48 EFLAGS: 00010286 tbar cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_e[ 91.659318] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000 c_dev cros_usbpd_notify # [ 89.787014] CPU: 3 PID: 2386 Comm:[ 91.673547] RDX: ffff99247bdac660 RSI: ffff99247bd9bf70 RDI: ffff99247bd9bf70 cat Tainted: G D W 5.10.138-cip15 #1 # [ 89.801[ 91.687725] RBP: ffffffff95ec8ba3 R08: 0000000000000000 R09: 0000000000000000 926] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ [ 91.701961] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 89.814705] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 89[ 91.716137] R13: ffffb6eb82c77f10 R14: ffffb6eb82c77f10 R15: ffff9924047aa000 .826623] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 3[ 91.730369] FS: 00007f612bbfb580(0000) GS:ffff99247bd80000(0000) knlGS:0000000000000000 0 4e 74 01 00 75 ee 48 c7 c7 40 46 e6 95 c6 05 20 4e 74 01 01 e8[ 91.745608] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 ca 5b 98 00 <0f> 0b c3 cc cc cc cc 80 3d 0c 4e 74 01 00 75 cb 4[ 91.758288] CR2: 00007f612ba14000 CR3: 0000000103b30000 CR4: 00000000003506e0 8 c7 c7 68 46 e6 # [ 89.853974] RSP: 0018:ffffb6eb82b4fe48 EF[ 91.772466] Call Trace: LAGS: 00010286 # [ 89.865946] RAX: 0000000000000000 RBX: 0000[ 91.781472] lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x64 000000000035 RCX: 0000000000000000 # [ 89.880168] RDX: ffff99[ 91.793087] direct_entry.cold+0x2c/0x38 247bdac660 RSI: ffff99247bd9bf70 RDI: ffff99247bd9bf70 # [ 89[ 91.803729] full_proxy_write+0x56/0x80 .894353] RBP: ffffffff95ec8b75 R08: 0000000000000000 R09: 000000[ 91.814326] vfs_write+0xea/0x3a0 0000000000 # [ 89.908598] R10: 00000000ffffe000 R11: 3fffffff[ 91.824156] ksys_write+0x68/0xf0 ffffffff R12: 0000000000000017 # [ 89.922780] R13: ffffb6eb82[ 91.834159] do_syscall_64+0x33/0x40 b4ff10 R14: ffffb6eb82b4ff10 R15: ffff992403be7000 # [ 89.937[ 91.844309] entry_SYSCALL_64_after_hwframe+0x61/0xc6 008] FS: 00007fd3bd9f4580(0000) GS:ffff99247bd80000(0000) knlGS[ 91.856292] RIP: 0033:0x7f612bb23f33 :0000000000000000 # [ 89.952256] CS: 0010 DS: 0000 ES: 0000 [ 91.866431] 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 CR0: 0000000080050033 # [ 89.964960] CR2: 00007fd3bd80d000 CR[ 91.893693] RSP: 002b:00007ffd9310fef8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 3: 0000000103ea2000 CR4: 00000000003506e0 # [ 89.979126] Call[ 91.908354] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f612bb23f33 Trace: # [ 89.988128] lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x6[ 91.922596] RDX: 0000000000000017 RSI: 00007f612ba14000 RDI: 0000000000000001 4 # [ 89.999748] direct_entry.cold+0x2c/0x38 # [ 90.01039[ 91.936752] RBP: 00007f612ba14000 R08: 00007f612ba13010 R09: 0000000000000000 3] full_proxy_write+0x56/0x80 # [ 90.020974] vfs_write+0xea[ 91.950981] R10: 00007f612bc1e1c0 R11: 0000000000000246 R12: 0000000000000001 /0x3a0 # [ 90.030801] ksys_write+0x68/0xf0 # [ 90.040717][ 91.965150] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 do_syscall_64+0x33/0x40 # [ 90.051023] entry_SYSCALL_64_af[ 91.979430] irq event stamp: 0 ter_hwframe+0x61/0xc6 # [ 90.062868] RIP: 0033:0x7fd3bd91cf33[ 91.988981] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 90.073207] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 [ 92.002367] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 1[ 92.017653] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 4 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 [ 92.033043] softirqs last disabled at (0): [<0000000000000000>] 0x0 48 83 ec 28 48 89 54 24 18 # [ 90.100344] RSP: 002b:00007ffef[ 92.046287] ---[ end trace b14a4b6e2783028f ]--- 242b6f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 90.11[ 92.057656] lkdtm: Saturation detected: still saturated 5069] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007fd3bd91cf33 # [ 90.129230] RDX: 0000000000000017 RSI: 00007fd3bd80d000 RDI: 0000000000000001 # [ 90.143498] RBP: 00007fd3bd80d000 R08: 00007fd3bd80c010 R09: 0000000000000000 # [ 90.157645] R10: 00007fd3bda171c0 R11: 0000000000000246 R12: 0000000000000001 # [ 90.171903] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 90.186079] irq event stamp: 0 # [ 90.195723] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 90.208968] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 90.224343] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 90.239694] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 90.252979] ---[ end trace b14a4b6e2783028d ]--- # [ 90.264327] 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 # [ 90.611530] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED # [ 90.618920] lkdtm: attempting bad refcount_dec() from saturated # [ 90.631800] ------------[ cut here ]------------ # [ 90.643211] refcount_t: decrement hit 0; leaking memory. # [ 90.655402] WARNING: CPU: 3 PID: 2421 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 90.671266] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 90.693300] CPU: 3 PID: 2421 Comm: cat Tainted: G D W 5.10.138-cip15 #1 # [ 90.708260] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 90.721073] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 90.733107] Code: f0 46 e6 95 c6 05 8c 4d 74 01 01 e8 3a 5b 98 00 0f 0b c3 cc cc cc cc 48 c7 c7 c0 46 e6 95 c6 05 73 4d 74 01 01 e8 20 5b 98 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 90.760294] RSP: 0018:ffffb6eb82c07e48 EFLAGS: 00010286 # [ 90.772355] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000 # [ 90.786547] RDX: ffff99247bdac660 RSI: ffff99247bd9bf70 RDI: ffff99247bd9bf70 # [ 90.800785] RBP: ffffffff95ec8b8c R08: 0000000000000000 R09: 0000000000000000 # [ 90.814975] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 90.829204] R13: ffffb6eb82c07f10 R14: ffffb6eb82c07f10 R15: ffff992403896000 # [ 90.843396] FS: 00007fc4dc226580(0000) GS:ffff99247bd80000(0000) knlGS:0000000000000000 # [ 90.858691] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 90.871319] CR2: 00007fc4dc03f000 CR3: 0000000103b30000 CR4: 00000000003506e0 # [ 90.885545] Call Trace: # [ 90.894517] lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5f # [ 90.906221] direct_entry.cold+0x2c/0x38 # [ 90.916799] full_proxy_write+0x56/0x80 # [ 90.927340] vfs_write+0xea/0x3a0 # [ 90.937208] ksys_write+0x68/0xf0 # [ 90.947174] do_syscall_64+0x33/0x40 # [ 90.957467] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 90.969282] RIP: 0033:0x7fc4dc14ef33 # [ 90.979506] 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 <4[ 92.388883] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED [ 92.400487] lkdtm: attempting bad refcount_inc_not_zero() from saturated 8> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 1[ 92.408026] ------------[ cut here ]------------ 8 # [ 91.006711] RSP: 002b:00007ffee200c428 EFLAGS: 00000246 [ 92.419394] refcount_t: saturated; leaking memory. ORIG_RAX: 0000000000000001 # [ 91.021470] RAX: ffffffffffffff[ 92.431007] WARNING: CPU: 1 PID: 2488 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 da RBX: 0000000000000017 RCX: 00007fc4dc14ef33 # [ 91.035609][ 92.446649] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 92.468866] CPU: 1 PID: 2488 Comm: cat Tainted: G D W 5.10.138-cip15 #1 [ 92.477544] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 92.484185] RIP: 0010:refcount_warn_saturate+0x97/0x110 RDX: 0000000000000017 RSI: 00007fc4dc03f000 RDI: 00000000000000[ 92.490103] Code: 01 01 e8 a7 5b 98 00 0f 0b c3 cc cc cc cc 80 3d eb 4d 74 01 00 75 a8 48 c7 c7 40 46 e6 95 c6 05 db 4d 74 01 01 e8 84 5b 98 00 <0f> 0b c3 cc cc cc cc 80 3d c5 4d 74 01 00 75 85 48 c7 c7 98 46 e6 [ 92.517359] RSP: 0018:ffffb6eb82ce7e38 EFLAGS: 00010282 [ 92.523230] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 [ 92.531234] RDX: ffff99247bcac660 RSI: ffff99247bc9bf70 RDI: ffff99247bc9bf70 [ 92.539233] RBP: ffffffff95ec87d0 R08: 0000000000000000 R09: 0000000000000000 [ 92.547233] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 [ 92.555233] R13: ffffb6eb82ce7f10 R14: ffffb6eb82ce7f10 R15: ffff992404c61000 [ 92.563234] FS: 00007f61726e4580(0000) GS:ffff99247bc80000(0000) knlGS:0000000000000000 [ 92.572300] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 92.578743] CR2: 00007f61724fd000 CR3: 0000000103fdc000 CR4: 00000000003506e0 [ 92.586743] Call Trace: [ 92.589511] __refcount_add_not_zero.constprop.0+0x2a/0x35 [ 92.595675] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x76 [ 92.602027] direct_entry.cold+0x2c/0x38 [ 92.606441] full_proxy_write+0x56/0x80 [ 92.610757] vfs_write+0xea/0x3a0 [ 92.614489] ksys_write+0x68/0xf0 [ 92.618225] do_syscall_64+0x33/0x40 [ 92.622248] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 92.627921] RIP: 0033:0x7f617260cf33 [ 92.631940] 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 [ 92.652958] RSP: 002b:00007ffc2a6d05c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 92.661444] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f617260cf33 [ 92.669441] RDX: 0000000000000020 RSI: 00007f61724fd000 RDI: 0000000000000001 [ 92.677436] RBP: 00007f61724fd000 R08: 00007f61724fc010 R09: 0000000000000000 [ 92.685435] R10: 00007f61727071c0 R11: 0000000000000246 R12: 0000000000000001 [ 92.693433] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 92.701441] irq event stamp: 0 01 # [ 91.049847] RBP: 00007fc4dc03f000 R08: 00007fc4dc03e010[ 92.704872] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 92.718101] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 R09: 0000000000000000 # [ 91.064019] R10: 00007fc4dc2491c0 R[ 92.727266] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 92.742643] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 92.749671] ---[ end trace b14a4b6e27830290 ]--- [ 92.754856] lkdtm: Saturation detected: still saturated 11: 0000000000000246 R12: 0000000000000001 # [ 91.078240] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 91.092429] irq event stamp: 0 # [ 91.102093] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 91.115295] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 91.130681] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 91.146044] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 91.159287] ---[ end trace b14a4b6e2783028e ]--- # [ 91.170637] lkdtm: Saturation detected: still saturated # REFCOUNT_DEC_SATURATED: saw 'Saturation detected: still saturated': ok ok 53 selftests: lkdtm: REFCOUNT_DEC_SATURATED.sh # selftests: lkdtm: REFCOUNT_ADD_SATURATED.sh # [ 91.495385] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED # [ 91.506506] lkdtm: attempting bad refcount_dec() from saturated # [ 91.519346] ------------[ cut here ]------------ # [ 91.530778] refcount_t: saturated; leaking memory. # [ 91.542667] WARNING: CPU: 3 PID: 2456 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 91.558032] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 91.580380] CPU: 3 PID: 2456 Comm: cat Tainted: G D W 5.10.138-cip15 #1 # [ 91.595249] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 91.608062] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 91.620009] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 30 4e 74 01 00 75 ee 48 c7 c7 40 46 e6 95 c6 05 20 4e 74 01 01 e8 ca 5b 98 00 <0f> 0b c3 cc cc cc cc 80 3d 0c 4e 74 01 00 75 cb 48 c7 c7 68 46 e6 # [ 91.647348] RSP: 0018:ffffb6eb82c77e48 EFLAGS: 00010286 # [ 91.659318] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000 # [ 91.673547] RDX: ffff99247bdac660 RSI: ffff99247bd9bf70 RDI: ffff99247bd9bf70 # [ 91.687725] RBP: ffffffff95ec8ba3 R08: 0000000000000000 R09: 0000000000000000 # [ 91.701961] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 91.716137] R13: ffffb6eb82c77f10 R14: ffffb6eb82c77f10 R15: ffff9924047aa000 # [ 91.730369] FS: 00007f612bbfb580(0000) GS:ffff99247bd80000(0000) knlGS:0000000000000000 # [ 91.745608] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 91.758288] CR2: 00007f612ba14000 CR3: 0000000103b30000 CR4: 00000000003506e0 # [ 91.772466] Call Trace: # [ 91.781472] lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x64 # [ 91.793087] direct_entry.cold+0x2c/0x38 # [ 91.803729] full_proxy_write+0x56/0x80 # [ 91.814326] vfs_write+0xea/0x3a0 # [ 91.824156] ksys_write+0x68/0xf0 # [ 91.834159] do_syscall_64+0x33/0x40 # [ 91.844309] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 91.856292] RIP: 0033:0x7f612bb23f33 # [ 91.866431] 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 # [ 91.893693] RSP: 002b:00007ffd9310fef8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 91.908354] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f612bb23f33 # [ 91.922596] RDX: 0000000000000017 RSI: 00007f612ba14000 RDI: 0000000000000001 # [ 91.936752] RBP: 00007[ 93.084770] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED [ 93.097958] lkdtm: attempting bad refcount_add_not_zero() from saturated [ 93.105495] ------------[ cut here ]------------ [ 93.110677] refcount_t: saturated; leaking memory. [ 93.116092] WARNING: CPU: 2 PID: 2520 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 [ 93.125551] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 93.141554] CPU: 2 PID: 2520 Comm: cat Tainted: G D W 5.10.138-cip15 #1 [ 93.150236] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 93.156898] RIP: 0010:refcount_warn_saturate+0x97/0x110 [ 93.162764] Code: 01 01 e8 a7 5b 98 00 0f 0b c3 cc cc cc cc 80 3d eb 4d 74 01 00 75 a8 48 c7 c7 40 46 e6 95 c6 05 db 4d 74 01 01 e8 84 5b 98 00 <0f> 0b c3 cc cc cc cc 80 3d c5 4d 74 01 00 75 85 48 c7 c7 98 46 e6 [ 93.183775] RSP: 0018:ffffb6eb82d67e38 EFLAGS: 00010282 [ 93.189640] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 [ 93.197637] RDX: ffff99247bd2c660 RSI: ffff99247bd1bf70 RDI: ffff99247bd1bf70 [ 93.205629] RBP: ffffffff95ec87f0 R08: 0000000000000000 R09: 0000000000000000 [ 93.213630] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 [ 93.221625] R13: ffffb6eb82d67f10 R14: ffffb6eb82d67f10 R15: ffff9924029da000 [ 93.229624] FS: 00007efcd8f64580(0000) GS:ffff99247bd00000(0000) knlGS:0000000000000000 [ 93.238688] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 93.245131] CR2: 00007efcd8d7d000 CR3: 00000001058a2000 CR4: 00000000003506e0 [ 93.253133] Call Trace: [ 93.255902] __refcount_add_not_zero.constprop.0+0x2a/0x35 [ 93.262061] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x76 [ 93.268403] direct_entry.cold+0x2c/0x38 [ 93.272817] full_proxy_write+0x56/0x80 [ 93.277131] vfs_write+0xea/0x3a0 [ 93.280860] ksys_write+0x68/0xf0 [ 93.284590] do_syscall_64+0x33/0x40 [ 93.288610] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 93.294280] RIP: 0033:0x7efcd8e8cf33 [ 93.298298] 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 [ 93.319307] RSP: 002b:00007fff37b89028 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 93.327803] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007efcd8e8cf33 [ 93.335802] RDX: 0000000000000020 RSI: 00007efcd8d7d000 RDI: 0000000000000001 [ 93.343802] RBP: 00007efcd8d7d000 R08: 00007efcd8d7c010 R09: 0000000000000000 [ 93.351800] R10: 00007efcd8f871c0 R11: 0000000000000246 R12: 0000000000000001 [ 93.359800] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 f612ba14000 R08: 00007f612ba13010 R09: 0000000000000000 # [ 9[ 93.367810] irq event stamp: 0 1.950981] R10: 00007f612bc1e1c0 R11: 0000000000000246 R12: 00000[ 93.377429] hardirqs last enabled at (0): [<0000000000000000>] 0x0 00000000001 # [ 91.965150] R13: 0000000000000001 R14: 0000000[ 93.390666] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 93.406027] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 93.415191] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 93.422213] ---[ end trace b14a4b6e27830291 ]--- [ 93.427391] lkdtm: Saturation detected: still saturated 000020000 R15: 0000000000020000 # [ 91.979430] irq event stamp: 0 # [ 91.988981] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 92.002367] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 92.017653] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 92.033043] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 92.046287] ---[ end trace b14a4b6e2783028f ]--- # [ 92.057656] lkdtm: Saturation detected: still saturated # REFCOUNT_ADD_SATURATED: saw 'Saturation detected: still saturated': ok ok 54 selftests: lkdtm: REFCOUNT_ADD_SATURATED.sh # selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_SATURATED.sh # [ 92.388883] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED # [ 92.400487] lkdtm: attempting bad refcount_inc_not_zero() from saturated # [ 92.408026] ------------[ cut here ]------------ # [ 92.419394] refcount_t: saturated; leaking memory. # [ 92.431007] WARNING: CPU: 1 PID: 2488 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 92.446649] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 92.468866] CPU: 1 PID: 2488 Comm: cat Tainted: G D W 5.10.138-cip15 #1 # [ 92.477544] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 92.484185] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 92.490103] Code: 01 01 e8 a7 5b 98 00 0f 0b c3 cc cc cc cc 80 3d eb 4d 74 01 00 75 a8 48 c7 c7 40 46 e6 95 c6 05 db 4d 74 01 01 e8 84 5b 98 00 <0f> 0b c3 cc cc cc cc 80 3d c5 4d 74 01 00 75 85 48 c7 c7 98 46 e6 # [ 92.517359] RSP: 0018:ffffb6eb82ce7e38 EFLAGS: 00010282 # [ 92.523230] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 # [ 92.531234] RDX: ffff99247bcac660 RSI: ffff99247bc9bf70 RDI: ffff99247bc9bf70 # [ 92.539233] RBP: ffffffff95ec87d0 R08: 0000000000000000 R09: 0000000000000000 # [ 92.547233] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 92.555233] R13: ffffb6eb82ce7f10 R14: ffffb6eb82ce7f10 R15: ffff992404c61000 # [ 92.563234] FS: 00007f61726e4580(0000) GS:ffff99247bc80000(0000) knlGS:0000000000000000 # [ 92.572300] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 92.578743] CR2: 00007f61724fd000 CR3: 0000000103fdc000 CR4: 00000000003506e0 # [ 92.586743] Call Trace: # [ 92.589511] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 92.595675] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x76 # [ 92.602027] direct_entry.cold+0x2c/0x38 # [ 92.606441] full_proxy_write+0x56/0x80 # [ 92.610757] vfs_write+0xea/0x3a0 # [ 92.614489] ksys_write+0x68/0xf0 # [ 92.618225] do_syscall_64+0x33/0x40 # [ 92.622248] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 92.627921] RIP: 0033:0x7f617260cf33 # [ 92.631940] 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 # [ 92.652958] RSP: 002b:00007ffc2a6d05c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 92.661444] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f617260cf33 # [ 92.669441] RDX: 0000000000000020 RSI: 00007f61724fd000 RDI: 0000000000000001 # [ 92.677436] RBP:[ 93.761792] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED [ 93.770495] lkdtm: attempting bad refcount_dec_and_test() from saturated 00007f61724fd000 R08: 00007f61724fc010 R09: 0000000000000000 #[ 93.778020] ------------[ cut here ]------------ [ 92.685435] R10: 00007f61727071c0 R11: 0000000000000246 R12:[ 93.789396] refcount_t: underflow; use-after-free. 0000000000000001 # [ 92.693433] R13: 0000000000000001 R14: 0[ 93.801021] WARNING: CPU: 2 PID: 2555 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 [ 93.816665] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 93.832666] CPU: 2 PID: 2555 Comm: cat Tainted: G D W 5.10.138-cip15 #1 [ 93.841341] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 93.847984] RIP: 0010:refcount_warn_saturate+0xba/0x110 [ 93.853850] Code: 01 01 e8 84 5b 98 00 0f 0b c3 cc cc cc cc 80 3d c5 4d 74 01 00 75 85 48 c7 c7 98 46 e6 95 c6 05 b5 4d 74 01 01 e8 61 5b 98 00 <0f> 0b c3 cc cc cc cc 80 3d a0 4d 74 01 00 0f 85 5e ff ff ff 48 c7 [ 93.874862] RSP: 0018:ffffb6eb82defe40 EFLAGS: 00010286 [ 93.880727] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000 [ 93.888734] RDX: ffff99247bd2c660 RSI: ffff99247bd1bf70 RDI: ffff99247bd1bf70 [ 93.896737] RBP: ffffffff95ec8810 R08: 0000000000000000 R09: 0000000000000000 [ 93.904739] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 [ 93.912738] R13: ffffb6eb82deff10 R14: ffffb6eb82deff10 R15: ffff992404c73000 [ 93.920745] FS: 00007f840b157580(0000) GS:ffff99247bd00000(0000) knlGS:0000000000000000 [ 93.929811] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 93.936256] CR2: 00007f840af70000 CR3: 0000000104e04000 CR4: 00000000003506e0 [ 93.944255] Call Trace: [ 93.947021] __refcount_sub_and_test.constprop.0+0x3c/0x50 [ 93.953182] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x76 [ 93.959540] direct_entry.cold+0x2c/0x38 [ 93.963957] full_proxy_write+0x56/0x80 [ 93.968277] vfs_write+0xea/0x3a0 000000000020000 R15: 0000000000020000 # [ 92.701441] irq even[ 93.972009] ksys_write+0x68/0xf0 [ 93.981940] do_syscall_64+0x33/0x40 [ 93.985961] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 93.991635] RIP: 0033:0x7f840b07ff33 [ 93.995653] 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 [ 94.016676] RSP: 002b:00007ffc958e8e08 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 94.025153] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f840b07ff33 [ 94.033151] RDX: 0000000000000020 RSI: 00007f840af70000 RDI: 0000000000000001 [ 94.041138] RBP: 00007f840af70000 R08: 00007f840af6f010 R09: 0000000000000000 t stamp: 0 # [ 92.704872] hardirqs last enabled at (0): [<00[ 94.049133] R10: 00007f840b17a1c0 R11: 0000000000000246 R12: 0000000000000001 [ 94.063329] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 94.071333] irq event stamp: 0 00000000000000>] 0x0 # [ 92.718101] hardirqs last disabled at[ 94.074762] hardirqs last enabled at (0): [<0000000000000000>] 0x0 (0): [] copy_process+0x640/0x1c80 # [ 92.7[ 94.088001] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 94.103366] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 94.112530] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 94.119616] ---[ end trace b14a4b6e27830292 ]--- [ 94.124840] lkdtm: Saturation detected: still saturated 27266] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 92.742643] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 92.749671] ---[ end trace b14a4b6e27830290 ]--- # [ 92.754856] 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 # [ 93.084770] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED # [ 93.097958] lkdtm: attempting bad refcount_add_not_zero() from saturated # [ 93.105495] ------------[ cut here ]------------ # [ 93.110677] refcount_t: saturated; leaking memory. # [ 93.116092] WARNING: CPU: 2 PID: 2520 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 93.125551] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 93.141554] CPU: 2 PID: 2520 Comm: cat Tainted: G D W 5.10.138-cip15 #1 # [ 93.150236] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 93.156898] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 93.162764] Code: 01 01 e8 a7 5b 98 00 0f 0b c3 cc cc cc cc 80 3d eb 4d 74 01 00 75 a8 48 c7 c7 40 46 e6 95 c6 05 db 4d 74 01 01 e8 84 5b 98 00 <0f> 0b c3 cc cc cc cc 80 3d c5 4d 74 01 00 75 85 48 c7 c7 98 46 e6 # [ 93.183775] RSP: 0018:ffffb6eb82d67e38 EFLAGS: 00010282 # [ 93.189640] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 # [ 93.197637] RDX: ffff99247bd2c660 RSI: ffff99247bd1bf70 RDI: ffff99247bd1bf70 # [ 93.205629] RBP: ffffffff95ec87f0 R08: 0000000000000000 R09: 0000000000000000 # [ 93.213630] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 93.221625] R13: ffffb6eb82d67f10 R14: ffffb6eb82d67f10 R15: ffff9924029da000 # [ 93.229624] FS: 00007efcd8f64580(0000) GS:ffff99247bd00000(0000) knlGS:0000000000000000 # [ 93.238688] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 93.245131] CR2: 00007efcd8d7d000 CR3: 00000001058a2000 CR4: 00000000003506e0 # [ 93.253133] Call Trace: # [ 93.255902] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 93.262061] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x76 # [ 93.268403] direct_entry.cold+0x2c/0x38 # [ 93.272817] full_proxy_write+0x56/0x80 # [ 93.277131] vfs_write+0xea/0x3a0 # [ 93.280860] ksys_write+0x68/0xf0 # [ 93.284590] do_syscall_64+0x33/0x40 # [ 93.288610] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 93.294280] RIP: 0033:0x7efcd8e8cf33 # [ 93.298298] 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 # [ 93.319307] RSP: 002b:00007fff37b89028 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 93.327803] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007efcd8e8cf33 # [ 93.335802] RDX: 0000000000000020 RSI: 00007efcd8d7d000 RDI: 0000000000000001 # [ 93.343802] RBP: 00007efcd8d7d000 R08: 00007efcd8d7c010 R09: 0000000000000000 # [ 93.351800] R10: 00007efcd8f871c0 R11: 0000000000000246 R12: 0000000000000001 # [ 93.359800] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 93.367810] irq event stamp: 0 # [ 93.377429] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 93.390666] hardirqs last disabled at [ 94.470019] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED [ 94.480284] lkdtm: attempting bad refcount_sub_and_test() from saturated [ 94.487822] ------------[ cut here ]------------ (0): [] copy_process+0x640/0x1c80 # [ 93.40[ 94.493005] refcount_t: underflow; use-after-free. 6027] softirqs last enabled at (0): [] copy_p[ 94.504626] WARNING: CPU: 1 PID: 2590 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 [ 94.520237] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 94.536245] CPU: 1 PID: 2590 Comm: cat Tainted: G D W 5.10.138-cip15 #1 [ 94.544922] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 94.551564] RIP: 0010:refcount_warn_saturate+0xba/0x110 [ 94.557430] Code: 01 01 e8 84 5b 98 00 0f 0b c3 cc cc cc cc 80 3d c5 4d 74 01 00 75 85 48 c7 c7 98 46 e6 95 c6 05 b5 4d 74 01 01 e8 61 5b 98 00 <0f> 0b c3 cc cc cc cc 80 3d a0 4d 74 01 00 0f 85 5e ff ff ff 48 c7 [ 94.578441] RSP: 0018:ffffb6eb82e67e40 EFLAGS: 00010286 [ 94.584305] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000 [ 94.592305] RDX: ffff99247bcac660 RSI: ffff99247bc9bf70 RDI: ffff99247bc9bf70 [ 94.600309] RBP: ffffffff95ec8830 R08: 0000000000000000 R09: 0000000000000000 [ 94.608309] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 [ 94.616307] R13: ffffb6eb82e67f10 R14: ffffb6eb82e67f10 R15: ffff992404d9f000 [ 94.624308] FS: 00007f14ca077580(0000) GS:ffff99247bc80000(0000) knlGS:0000000000000000 [ 94.633375] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 94.639817] CR2: 00007f14c9e90000 CR3: 0000000104f00000 CR4: 00000000003506e0 [ 94.647807] Call Trace: [ 94.650572] __refcount_sub_and_test.constprop.0+0x3c/0x50 [ 94.656732] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x76 [ 94.663085] direct_entry.cold+0x2c/0x38 [ 94.667492] full_proxy_write+0x56/0x80 [ 94.671810] vfs_write+0xea/0x3a0 [ 94.675542] ksys_write+0x68/0xf0 [ 94.679280] do_syscall_64+0x33/0x40 [ 94.683305] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 94.688976] RIP: 0033:0x7f14c9f9ff33 [ 94.692993] 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 rocess+0x640/0x1c80 # [ 93.415191] softirqs last disabled at [ 94.713999] RSP: 002b:00007ffd4a2ed9e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 94.728680] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f14c9f9ff33 [ 94.736681] RDX: 0000000000000020 RSI: 00007f14c9e90000 RDI: 0000000000000001 [ 94.744679] RBP: 00007f14c9e90000 R08: 00007f14c9e8f010 R09: 0000000000000000 [ 94.752676] R10: 00007f14ca09a1c0 R11: 0000000000000246 R12: 0000000000000001 [ 94.760673] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 (0): [<0000000000000000>] 0x0 # [ 93.422213] ---[ end trace b[ 94.768678] irq event stamp: 0 14a4b6e27830291 ]--- # [ 93.427391] lkdtm: Saturation detecte[ 94.778301] hardirqs last enabled at (0): [<0000000000000000>] 0x0 d: still saturated # REFCOUNT_ADD_NOT_ZERO_SATURATED: saw 'call[ 94.791533] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 94.806902] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 94.816065] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 94.823091] ---[ end trace b14a4b6e27830293 ]--- [ 94.828272] lkdtm: Saturation detected: still saturated trace:': ok ok 56 selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_SATURATED.sh # selftests: lkdtm: REFCOUNT_DEC_AND_TEST_SATURATED.sh # [ 93.761792] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED # [ 93.770495] lkdtm: attempting bad refcount_dec_and_test() from saturated # [ 93.778020] ------------[ cut here ]------------ # [ 93.789396] refcount_t: underflow; use-after-free. # [ 93.801021] WARNING: CPU: 2 PID: 2555 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 93.816665] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 93.832666] CPU: 2 PID: 2555 Comm: cat Tainted: G D W 5.10.138-cip15 #1 # [ 93.841341] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 93.847984] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 93.853850] Code: 01 01 e8 84 5b 98 00 0f 0b c3 cc cc cc cc 80 3d c5 4d 74 01 00 75 85 48 c7 c7 98 46 e6 95 c6 05 b5 4d 74 01 01 e8 61 5b 98 00 <0f> 0b c3 cc cc cc cc 80 3d a0 4d 74 01 00 0f 85 5e ff ff ff 48 c7 # [ 93.874862] RSP: 0018:ffffb6eb82defe40 EFLAGS: 00010286 # [ 93.880727] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000 # [ 93.888734] RDX: ffff99247bd2c660 RSI: ffff99247bd1bf70 RDI: ffff99247bd1bf70 # [ 93.896737] RBP: ffffffff95ec8810 R08: 0000000000000000 R09: 0000000000000000 # [ 93.904739] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 93.912738] R13: ffffb6eb82deff10 R14: ffffb6eb82deff10 R15: ffff992404c73000 # [ 93.920745] FS: 00007f840b157580(0000) GS:ffff99247bd00000(0000) knlGS:0000000000000000 # [ 93.929811] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 93.936256] CR2: 00007f840af70000 CR3: 0000000104e04000 CR4: 00000000003506e0 # [ 93.944255] Call Trace: # [ 93.947021] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 93.953182] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x76 # [ 93.959540] direct_entry.cold+0x2c/0x38 # [ 93.963957] full_proxy_write+0x56/0x80 # [ 93.968277] vfs_write+0xea/0x3a0 # [ 93.972009] ksys_write+0x68/0xf0 # [ 93.981940] do_syscall_64+0x33/0x40 # [ 93.985961] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 93.991635] RIP: 0033:0x7f840b07ff33 # [ 93.995653] 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 # [ 94.016676] RSP: 002b:00007ffc958e8e08 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 94.025153] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f840b07ff33 # [ 94.033151] RDX: 0000000000000020 RSI: 00007f840af70000 RDI: 0000000000000001 # [ 94.041138] RBP: 00007f840af70000 R08: 00007f840af6f010 R09: 0000000000000000 # [ 94.049133] R10: 00007f840b17a1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 94.063329] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 94.071333] irq event stamp: 0 # [ 94.074762] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 94.088001] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 94.103366] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 94.112530] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 94.119616] ---[ end trace b14a4b6e27830292 ]--- # [ 94.124840] lkdtm: Saturation detected: still saturated # REFCOUNT_DEC_AND_TEST_SATURATED: saw 'Saturation detected: still saturated': ok ok 57 selftests: lkdtm: REFCOUNT_DEC_AND_TEST_SATURATED.sh # selftests: lkdtm: REFCOUNT_SUB_AND_TEST_SATURATED.sh # [ 94.470019] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED # [ 94.480284] lkdtm: attempting bad refcount_sub_and_test() from saturated # [ 94.487822] ------------[ cut here ]------------ # [ 94.493005] refcount_t: underflow; use-after-free. # [ 94.504626] WARNING: CPU: 1 PID: 2590 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 94.520237] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 94.536245] CPU: 1 PID: 2590 Comm: cat Tainted: G D W 5.10.138-cip15 #1 # [ 94.544922] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 94.551564] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 94.557430] Code: 01 01 e8 84 5b 98 00 0f 0b c3 cc cc cc cc 80 3d c5 4d 74 01 00 75 85 48 c7 c7 98 46 e6 95 c6 05 b5 4d 74 01 01 e8 61 5b 98 00 <0f> 0b c3 cc cc cc cc 80 3d a0 4d 74 01 00 0f 85 5e ff ff ff 48 c7 # [ 94.578441] RSP: 0018:ffffb6eb82e67e40 EFLAGS: 00010286 # [ 94.584305] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000 # [ 94.592305] RDX: ffff99247bcac660 RSI: ffff99247bc9bf70 RDI: ffff99247bc9bf70 # [ 94.600309] RBP: ffffffff95ec8830 R08: 0000000000000000 R09: 0000000000000000 # [ 94.608309] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 94.616307] R13: ffffb6eb82e67f10 R14: ffffb6eb82e67f10 R15: ffff992404d9f000 # [ 94.624308] FS: 00007f14ca077580(0000) GS:ffff99247bc80000(0000) knlGS:0000000000000000 # [ 94.633375] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 94.639817] CR2: 00007f14c9e90000 CR3: 0000000104f00000 CR4: 00000000003506e0 # [ 94.647807] Call Trace: # [ 94.650572] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 94.656732] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x76 # [ 94.663085] direct_entry.cold+0x2c/0x38 # [ 94.667492] full_proxy_write+0x56/0x80 # [ 94.671810] vfs_write+0xea/0x3a0 # [ 94.675542] ksys_write+0x68/0xf0 # [ 94.679280] do_syscall_64+0x33/0x40 # [ 94.683305] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 94.688976] RIP: 0033:0x7f14c9f9ff33 # [ 94.692993] Code: 8b [ 95.406148] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 0[ 95.418959] lkdtm: attempting good copy_to_user of correct size 0 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> [ 95.431872] lkdtm: attempting bad copy_to_user of too large size 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 94.713999] RSP: 002b:00007ffd4a2ed9e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 94.728680] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f14c9f9ff33 # [ 94.736681] RDX: 0000000000000020 RSI: 00007f14c9e90000 RDI: 0000000000000001 # [ 94.744679] RBP: 00007f14c9e90000 R08: 00007f14c9e8f010 R09: 0000000000000000 # [ 94.752676] R10: 00007f14ca09a1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 94.760673] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 94.768678] irq event stamp: 0 # [ 94.778301] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 94.791533] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 94.806902] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 94.816065] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 94.823091] ---[ end trace b14a4b6e27830293 ]--- # [ 94.828272] 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 # [ 95.406148] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO # [ 95.418959] lkdtm: attempting good copy_to_user of correct size # [ 95.431872] 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 [ 95.752353] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM [ 95.759324] lkdtm: attempting good copy_from_user of correct size [ 95.766179] lkdtm: attempting bad copy_from_user of too large size # [ 95.752353] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM # [ 95.759324] lkdtm: attempting good copy_from_user of correct size # [ 95.766179] lkdtm: attempting bad copy_from_user of too large size # USERCOPY_HEAP_SIZE_FROM: missing 'call trace:': [FAIL] not ok 62 selftests: lkdtm: USERCOPY_HEAP_SIZE_FROM.sh # exit=1 # selftests: lkdtm: USERCOPY_HEAP_WHITELIST_TO.sh [ 96.096476] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO [ 96.103745] lkdtm: attempting good copy_to_user inside whitelist [ 96.110506] lkdtm: attempting bad copy_to_user outside whitelist # [ 96.096476] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO # [ 96.103745] lkdtm: attempting good copy_to_user inside whitelist # [ 96.110506] 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 [ 96.420672] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM [ 96.428121] lkdtm: attempting good copy_from_user inside whitelist [ 96.435104] lkdtm: attempting bad copy_from_user outside whitelist # [ 96.420672] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM # [ 96.428121] lkdtm: attempting good copy_from_user inside whitelist # [ 96.435104] 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 [ 96.756668] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO [ 96.763627] lkdtm: good_stack: ffffb6eb8321fe20-ffffb6eb8321fe40 [ 96.770379] lkdtm: bad_stack : ffffb6eb8321fda8-ffffb6eb8321fdc8 [ 96.777171] lkdtm: attempting good copy_to_user of local stack [ 96.783744] lkdtm: attempting bad copy_to_user of distant stack # [ 96.756668] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO # [ 96.763627] lkdtm: good_stack: ffffb6eb8321fe20-ffffb6eb8321fe40 # [ 96.770379] lkdtm: bad_stack : ffffb6eb8321fda8-ffffb6eb8321fdc8 # [ 96.777171] lkdtm: attempting good copy_to_user of local stack # [ 96.783744] lkdtm: attempting bad copy_to_user of distant stack # USERCOPY_STACK_FRAME_TO: missing 'call trace:': [FAIL] not ok 65 selftests: lkdtm: USERCOPY_STACK_FRAME_TO.sh # exit=1 # selftests: lkdtm: USERCOPY_STACK_FRAME_FROM.sh [ 97.109714] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM [ 97.116858] lkdtm: good_stack: ffffb6eb832bfe20-ffffb6eb832bfe40 [ 97.123607] lkdtm: bad_stack : ffffb6eb832bfda8-ffffb6eb832bfdc8 [ 97.130389] lkdtm: attempting good copy_from_user of local stack [ 97.137143] lkdtm: attempting bad copy_from_user of distant stack # [ 97.109714] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM # [ 97.116858] lkdtm: good_stack: ffffb6eb832bfe20-ffffb6eb832bfe40 # [ 97.123607] lkdtm: bad_stack : ffffb6eb832bfda8-ffffb6eb832bfdc8 # [ 97.130389] lkdtm: attempting good copy_from_user of local stack # [ 97.137143] 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 [ 97.461141] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND [ 97.467910] lkdtm: good_stack: ffffb6eb83327e20-ffffb6eb83327e40 [ 97.474651] lkdtm: bad_stack : ffffb6eb83327ff8-ffffb6eb83328018 [ 97.481494] lkdtm: attempting good copy_to_user of local stack [ 97.488073] lkdtm: attempting bad copy_to_user of distant stack [ 97.494729] lkdtm: copy_to_user failed, but lacked Oops # [ 97.461141] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND # [ 97.467910] lkdtm: good_stack: ffffb6eb83327e20-ffffb6eb83327e40 # [ 97.474651] lkdtm: bad_stack : ffffb6eb83327ff8-ffffb6eb83328018 # [ 97.481494] lkdtm: attempting good copy_to_user of local stack # [ 97.488073] lkdtm: attempting bad copy_to_user of distant stack # [ 97.494729] 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 [ 97.810396] lkdtm: Performing direct entry USERCOPY_KERNEL [ 97.816579] lkdtm: attempting good copy_to_user from kernel rodata: ffffffff95ada0f0 [ 97.825325] lkdtm: attempting bad copy_to_user from kernel text: ffffffff948e2df0 [ 97.833730] lkdtm: FAIL: survived bad copy_to_user() # [ 97.810396] lkdtm: Performing direct entry USERCOPY_KERNEL # [ 97.816579] lkdtm: attempting good copy_to_user from kernel rodata: ffffffff95ada0f0 # [ 97.825325] lkdtm: attempting bad copy_to_user from kernel text: ffffffff948e2df0 # [ 97.833730] 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 [ 98.150721] lkdtm: Performing direct entry STACKLEAK_ERASING [ 98.157094] lkdtm: checking unused part of the thread stack (15928 bytes)... [ 98.165022] lkdtm: FAIL: the erased part is not found (checked 15928 bytes) [ 98.172842] lkdtm: FAIL: the thread stack is NOT properly erased [ 98.179597] CPU: 0 PID: 2955 Comm: cat Tainted: G D W 5.10.138-cip15 #1 [ 98.188256] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 98.194870] Call Trace: [ 98.197621] dump_stack+0x77/0x9b [ 98.201330] lkdtm_STACKLEAK_ERASING+0x116/0x144 [ 98.206493] direct_entry.cold+0x2c/0x38 [ 98.210883] full_proxy_write+0x56/0x80 [ 98.215177] vfs_write+0xea/0x3a0 [ 98.218885] ksys_write+0x68/0xf0 [ 98.222597] do_syscall_64+0x33/0x40 [ 98.226596] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 98.232246] RIP: 0033:0x7ff558281f33 [ 98.236247] 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 [ 98.257236] RSP: 002b:00007ffec3783ff8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 98.265704] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007ff558281f33 [ 98.273678] RDX: 0000000000000012 RSI: 00007ff558172000 RDI: 0000000000000001 [ 98.281655] RBP: 00007ff558172000 R08: 00007ff558171010 R09: 0000000000000000 [ 98.289630] R10: 00007ff55837c1c0 R11: 0000000000000246 R12: 0000000000000001 [ 98.297608] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 98.150721] lkdtm: Performing direct entry STACKLEAK_ERASING # [ 98.157094] lkdtm: checking unused part of the thread stack (15928 bytes)... # [ 98.165022] lkdtm: FAIL: the erased part is not found (checked 15928 bytes) # [ 98.172842] lkdtm: FAIL: the thread stack is NOT properly erased # [ 98.179597] CPU: 0 PID: 2955 Comm: cat Tainted: G D W 5.10.138-cip15 #1 # [ 98.188256] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 98.194870] Call Trace: # [ 98.197621] dump_stack+0x77/0x9b # [ 98.201330] lkdtm_STACKLEAK_ERASING+0x116/0x144 # [ 98.206493] direct_entry.cold+0x2c/0x38 # [ 98.210883] full_proxy_write+0x56/0x80 # [ 98.215177] vfs_write+0xea/0x3a0 # [ 98.218885] ksys_write+0x68/0xf0 # [ 98.222597] do_syscall_64+0x33/0x40 # [ 98.226596] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 98.232246] RIP: 0033:0x7ff558281f33 # [ 98.236247] 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 # [ 98.257236] RSP: 002b:00007ffec3783ff8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 98.265704] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007ff558281f33 # [ 98.273678] RDX: 0000000000000012 RSI: 00007ff558172000 RDI: 0000000000000001 # [ 98.281655] RBP: 00007ff558172000 R08: 00007ff558171010 R09: 0000000000000000 # [ 98.289630] R10: 00007ff55837c1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 98.297608] 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 [ 98.624447] lkdtm: Performing direct entry CFI_FORWARD_PROTO [ 98.630818] lkdtm: Calling matched prototype ... [ 98.636008] lkdtm: Calling mismatched prototype ... [ 98.641495] lkdtm: Fail: survived mismatched prototype function call! # [ 98.624447] lkdtm: Performing direct entry CFI_FORWARD_PROTO # [ 98.630818] lkdtm: Calling matched prototype ... # [ 98.636008] lkdtm: Calling mismatched prototype ... # [ 98.641495] 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 / #