[Enter `^Ec?' for help] coreboot-v1.9308_26_0.0.22-2597-gfa32d89ed3 Tue Sep 29 21:34:05 UTC 2020 bootblock starting... LPC: Trying to open IO window from 800 size 1ff LPC: Opened IO window LGIR0: base 800 size 100 LPC: Opened IO window LGIR1: base 900 size 100 VBOOT: Loading verstage. FMAP: Found \"FLASH\" version 1.1 at 204000. FMAP: base = 0 size = 1000000 #areas = 35 FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'fallback/verstage' CBFS: Found @ offset ba4c0 size fab4 coreboot-v1.9308_26_0.0.22-2597-gfa32d89ed3 Tue Sep 29 21:34:05 UTC 2020 verstage starting... LPSS I2C bus 2 at 0xfe022000 (400 KHz) TPM ready after 4 ms cr50 TPM 2.0 (i2c 2:0x50 id 0x28) setup_tpm():514: TPM: SetupTPM() succeeded src/lib/tpm2_tlcl.c:208 index 0x1007 return code 0 Phase 1 FMAP: Found \"FLASH\" version 1.1 at 204000. FMAP: base = 0 size = 1000000 #areas = 35 FMAP: area GBB found @ 380000 (262144 bytes) VB2:vb2_check_recovery() Recovery reason from previous boot: 0x0 / 0x0 Phase 2 Phase 3 FMAP: area GBB found @ 380000 (262144 bytes) VB2:vb2_report_dev_firmware() This is developer signed firmware FMAP: area VBLOCK_B found @ 8b0000 (65536 bytes) FMAP: area VBLOCK_B found @ 8b0000 (65536 bytes) VB2:vb2_verify_keyblock() Checking key block signature... FMAP: area VBLOCK_B found @ 8b0000 (65536 bytes) FMAP: area VBLOCK_B found @ 8b0000 (65536 bytes) VB2:vb2_verify_fw_preamble() Verifying preamble. Phase 4 FMAP: area FW_MAIN_B found @ 8c0000 (4652992 bytes) VB2:vb2api_init_hash() HW crypto for hash_alg 2 not supported, using SW VB2:vb2_rsa_verify_digest() Digest check failed! VB2:vb2_fail() Need recovery, reason: 0x1b / 0x7 Saving nvdata Reboot requested (10020007) hard_reset() called! CSE is not yet ready, waiting CSE timed out. Resetting coreboot-v1.9308_26_0.0.22-2597-gfa32d89ed3 Tue Sep 29 21:34:05 UTC 2020 bootblock starting... LPC: Trying to open IO window from 800 size 1ff LPC: Opened IO window LGIR0: base 800 size 100 LPC: Opened IO window LGIR1: base 900 size 100 VBOOT: Loading verstage. FMAP: Found \"FLASH\" version 1.1 at 204000. FMAP: base = 0 size = 1000000 #areas = 35 FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'fallback/verstage' CBFS: Found @ offset ba4c0 size fab4 coreboot-v1.9308_26_0.0.22-2597-gfa32d89ed3 Tue Sep 29 21:34:05 UTC 2020 verstage starting... LPSS I2C bus 2 at 0xfe022000 (400 KHz) TPM ready after 4 ms cr50 TPM 2.0 (i2c 2:0x50 id 0x28) setup_tpm():514: TPM: SetupTPM() succeeded src/lib/tpm2_tlcl.c:208 index 0x1007 return code 0 Phase 1 FMAP: Found \"FLASH\" version 1.1 at 204000. FMAP: base = 0 size = 1000000 #areas = 35 FMAP: area GBB found @ 380000 (262144 bytes) VB2:vb2_check_recovery() Recovery reason from previous boot: 0x1b / 0x7 VB2:vb2_check_recovery() We have a recovery request: 0x1b / 0x0 Recovery requested (1009000e) Saving nvdata tlcl_extend: response is 0 tlcl_extend: response is 0 FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'fallback/romstage' CBFS: Found @ offset 80 size 11c5c coreboot-v1.9308_26_0.0.22-2597-gfa32d89ed3 Tue Sep 29 21:34:05 UTC 2020 romstage starting... pm1_sts: 0000 pm1_en: 0000 pm1_cnt: 00001c00 gpe0_sts[0]: 00000000 gpe0_en[0]: 00008000 gpe0_sts[1]: 00000000 gpe0_en[1]: 00000000 gpe0_sts[2]: 00000000 gpe0_en[2]: 00000000 gpe0_sts[3]: 00000000 gpe0_en[3]: 00000000 prsts: 00000000 tco_sts: 00000000 gen_pmcon1: 04004000 gen_pmcon2: 00003a00 gen_pmcon3: 00000000 prev_sleep_state 0 Boot Count incremented to 47588 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 268898 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 4835 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 52609 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 14033 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 9958 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 14024 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 18089 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 18092 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 14021 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 11227 usecs scan_bus: scanning of bus DOMAIN: 0000 took 390435 usecs root_dev_scan_bus for Root Device done scan_bus: scanning of bus Root Device took 410359 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 2022-08-03 17:05:54 UTC POST: Unexpected post code in previous boot: 0x98 ELOG: Event(A3) added with size 11 at 2022-08-03 17:05:54 UTC ELOG: Event(AA) added with size 11 at 2022-08-03 17:05:54 UTC FMAP: area UNIFIED_MRC_CACHE found @ 400000 (135168 bytes) SPI flash protection: WPSW=0 SRP0=0 MRC: NOT enabling PRR for 'UNIFIED_MRC_CACHE'. BS: BS_DEV_ENUMERATE times (us): entry 0 run 699253 exit 96188 found VGA at PCI: 00:02.0 Setting up VGA for PCI: 00:02.0 Setting PCI_BRIDGE_CTL_VGA for bridge DOMAIN: 0000 Setting PCI_BRIDGE_CTL_VGA for bridge Root Device Allocating resources... Reading resources... Root Device read_resources bus 0 link: 0 CPU_CLUSTER: 0 read_resources bus 0 link: 0 CPU_CLUSTER: 0 read_resources bus 0 link: 0 done DOMAIN: 0000 read_resources bus 0 link: 0 PCI: 00:0e.0 read_resources bus 0 link: 0 PCI: 00:0e.0 read_resources bus 0 link: 0 done PCI: 00:14.0 read_resources bus 1 link: 0 PCI: 00:14.0 read_resources bus 1 link: 0 done PCI: 00:16.0 read_resources bus 1 link: 0 PCI: 00:16.0 read_resources bus 1 link: 0 done PCI: 00:16.2 read_resources bus 2 link: 0 PCI: 00:16.2 read_resources bus 2 link: 0 done PCI: 00:16.3 read_resources bus 3 link: 0 PCI: 00:16.3 read_resources bus 3 link: 0 done PCI: 00:17.0 read_resources bus 4 link: 0 PCI: 00:17.0 read_resources bus 4 link: 0 done PCI: 00:17.1 read_resources bus 5 link: 0 PCI: 00:17.1 read_resources bus 5 link: 0 done PCI: 00:1f.0 read_resources bus 0 link: 0 PCI: 00:1f.0 read_resources bus 0 link: 0 done DOMAIN: 0000 read_resources bus 0 link: 0 done Root Device read_resources bus 0 link: 0 done Done reading resources. Show resources in subtree (Root Device)...After reading. Root Device child on link 0 CPU_CLUSTER: 0 CPU_CLUSTER: 0 child on link 0 APIC: 00 APIC: 00 DOMAIN: 0000 child on link 0 PCI: 00:00.0 DOMAIN: 0000 resource base 0 size 0 align 0 gran 0 limit ffff flags 40040100 index 10000000 DOMAIN: 0000 resource base 0 size 0 align 0 gran 0 limit ffffffff flags 40040200 index 10000100 PCI: 00:00.0 PCI: 00:00.0 resource base e0000000 size 10000000 align 0 gran 0 limit 0 flags f0000200 index 0 PCI: 00:00.0 resource base fed10000 size 8000 align 0 gran 0 limit 0 flags f0000200 index 1 PCI: 00:00.0 resource base 0 size a0000 align 0 gran 0 limit 0 flags e0004200 index 2 PCI: 00:00.0 resource base c0000 size 7af40000 align 0 gran 0 limit 0 flags e0004200 index 3 PCI: 00:00.0 resource base 7b000000 size 800000 align 0 gran 0 limit 0 flags f0004200 index 5 PCI: 00:00.0 resource base 7b800000 size 4800000 align 0 gran 0 limit 0 flags f0000200 index 6 PCI: 00:00.0 resource base 100000000 size 80000000 align 0 gran 0 limit 0 flags e0004200 index 7 PCI: 00:00.0 resource base a0000 size 20000 align 0 gran 0 limit 0 flags f0000200 index 8 PCI: 00:00.0 resource base c0000 size 40000 align 0 gran 0 limit 0 flags f0004200 index 9 PCI: 00:00.0 resource base 11800000 size 400000 align 0 gran 0 limit 0 flags f0004200 index a PCI: 00:00.0 resource base 11000000 size 800000 align 0 gran 0 limit 0 flags f0004200 index b PCI: 00:00.0 resource base 12000000 size 100000 align 0 gran 0 limit 0 flags f0004200 index c PCI: 00:00.0 resource base 12150000 size 1000 align 0 gran 0 limit 0 flags f0004200 index d PCI: 00:00.0 resource base 12140000 size 10000 align 0 gran 0 limit 0 flags f0004200 index e PCI: 00:00.0 resource base 10000000 size 1000000 align 0 gran 0 limit 0 flags f0004200 index f PCI: 00:00.0 resource base 11c00000 size 400000 align 0 gran 0 limit 0 flags f0004200 index 10 PCI: 00:00.0 resource base 12100000 size 40000 align 0 gran 0 limit 0 flags f0004200 index 11 PCI: 00:00.1 PCI: 00:00.1 resource base 0 size 8000 align 15 gran 15 limit ffffffffffffffff flags 201 index 10 PCI: 00:00.2 PCI: 00:00.2 resource base 0 size 100000 align 20 gran 20 limit ffffffffffffffff flags 201 index 10 PCI: 00:00.2 resource base 0 size 800000 align 23 gran 23 limit ffffffffffffffff flags 201 index 18 PCI: 00:00.2 resource base 0 size 200 align 12 gran 9 limit ffffffffffffffff flags 201 index 20 PCI: 00:02.0 PCI: 00:02.0 resource base 0 size 1000000 align 24 gran 24 limit ffffffffffffffff flags 201 index 10 PCI: 00:02.0 resource base 0 size 10000000 align 28 gran 28 limit ffffffffffffffff flags 1201 index 18 PCI: 00:02.0 resource base 0 size 40 align 6 gran 6 limit ffff flags 100 index 20 PCI: 00:03.0 PCI: 00:03.0 resource base 0 size 1000000 align 24 gran 24 limit 7fffffffff flags 201 index 10 PCI: 00:0d.0 PCI: 00:0d.0 resource base d0000000 size 1000000 align 0 gran 0 limit 0 flags f0000200 index 10 PCI: 00:0d.1 PCI: 00:0d.1 resource base fe042000 size 2000 align 0 gran 0 limit 0 flags c0000200 index 10 PCI: 00:0d.1 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 18 PCI: 00:0d.1 resource base 400 size 100 align 0 gran 0 limit 0 flags c0000100 index 20 PCI: 00:0d.2 PCI: 00:0d.2 resource base 0 size 1000 align 12 gran 12 limit ffffffff flags 200 index 10 PCI: 00:0d.3 PCI: 00:0d.3 resource base fe900000 size 2000 align 0 gran 0 limit 0 flags c0000200 index 10 PCI: 00:0d.3 resource base fe902000 size 1000 align 0 gran 0 limit 0 flags c0000200 index 18 PCI: 00:0e.0 child on link 0 GENERIC: 0.0 PCI: 00:0e.0 resource base 0 size 4000 align 14 gran 14 limit ffffffffffffffff flags 201 index 10 PCI: 00:0e.0 resource base 0 size 100000 align 20 gran 20 limit ffffffffffffffff flags 201 index 20 GENERIC: 0.0 PCI: 00:0f.0 PCI: 00:0f.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:0f.1 PCI: 00:0f.1 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:0f.2 PCI: 00:0f.2 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:11.0 PCI: 00:12.0 PCI: 00:13.0 PCI: 00:13.1 PCI: 00:13.2 PCI: 00:13.3 PCI: 00:14.0 child on link 0 PCI: 01:00.0 PCI: 00:14.0 resource base 0 size 0 align 12 gran 12 limit ffff flags 80102 index 1c PCI: 00:14.0 resource base 0 size 0 align 20 gran 20 limit ffffffffffffffff flags 81202 index 24 PCI: 00:14.0 resource base 0 size 0 align 20 gran 20 limit ffffffff flags 80202 index 20 PCI: 01:00.0 PCI: 01:00.0 resource base 0 size 2000 align 13 gran 13 limit ffffffffffffffff flags 201 index 10 PCI: 00:14.1 PCI: 00:15.0 PCI: 00:15.0 resource base 0 size 10000 align 16 gran 16 limit ffffffffffffffff flags 201 index 10 PCI: 00:15.1 PCI: 00:16.0 child on link 0 I2C: 01:1a PCI: 00:16.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:16.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 18 I2C: 01:1a PCI: 00:16.1 PCI: 00:16.1 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:16.1 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 18 PCI: 00:16.2 child on link 0 I2C: 02:50 PCI: 00:16.2 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:16.2 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 18 I2C: 02:50 PCI: 00:16.3 child on link 0 I2C: 03:10 PCI: 00:16.3 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:16.3 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 18 I2C: 03:10 I2C: 03:39 PCI: 00:17.0 child on link 0 I2C: 04:15 PCI: 00:17.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:17.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 18 I2C: 04:15 I2C: 04:2c PCI: 00:17.1 child on link 0 I2C: 05:09 PCI: 00:17.1 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:17.1 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 18 I2C: 05:09 PCI: 00:17.2 PCI: 00:17.3 PCI: 00:18.0 PCI: 00:18.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:18.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 18 PCI: 00:18.1 PCI: 00:18.1 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:18.1 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 18 PCI: 00:18.2 PCI: 00:18.2 resource base de000000 size 1000 align 0 gran 0 limit 0 flags e0000200 index 10 PCI: 00:18.2 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 18 PCI: 00:18.3 PCI: 00:19.0 PCI: 00:19.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:19.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 18 PCI: 00:19.1 PCI: 00:19.2 PCI: 00:1a.0 PCI: 00:1b.0 PCI: 00:1b.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:1b.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 18 PCI: 00:1c.0 PCI: 00:1c.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:1c.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 18 PCI: 00:1e.0 PCI: 00:1f.0 child on link 0 PNP: 0c09.0 PCI: 00:1f.0 resource base 0 size 1000 align 0 gran 0 limit 0 flags c0000100 index 0 PNP: 0c09.0 PNP: 0c09.0 resource base 800 size 1ff align 0 gran 0 limit 0 flags c0000100 index 0 PCI: 00:1f.1 PCI: 00:1f.1 resource base 0 size 100 align 12 gran 8 limit ffffffffffffffff flags 201 index 10 PCI: 00:1f.1 resource base 0 size 20 align 5 gran 5 limit ffff flags 100 index 20 DOMAIN: 0000 io: base: 0 size: 0 align: 0 gran: 0 limit: ffff PCI: 00:14.0 io: base: 0 size: 0 align: 12 gran: 12 limit: ffff PCI: 00:14.0 io: base: 0 size: 0 align: 12 gran: 12 limit: ffff done PCI: 00:02.0 20 * [0x0 - 0x3f] io PCI: 00:1f.1 20 * [0x40 - 0x5f] io DOMAIN: 0000 io: base: 60 size: 60 align: 6 gran: 0 limit: ffff done DOMAIN: 0000 mem: base: 0 size: 0 align: 0 gran: 0 limit: ffffffff PCI: 00:14.0 prefmem: base: 0 size: 0 align: 20 gran: 20 limit: ffffffffffffffff PCI: 00:14.0 prefmem: base: 0 size: 0 align: 20 gran: 20 limit: ffffffffffffffff done PCI: 00:14.0 mem: base: 0 size: 0 align: 20 gran: 20 limit: ffffffff PCI: 01:00.0 10 * [0x0 - 0x1fff] mem PCI: 00:14.0 mem: base: 2000 size: 100000 align: 20 gran: 20 limit: ffffffff done PCI: 00:02.0 18 * [0x0 - 0xfffffff] prefmem PCI: 00:02.0 10 * [0x10000000 - 0x10ffffff] mem PCI: 00:03.0 10 * [0x11000000 - 0x11ffffff] mem PCI: 00:00.2 18 * [0x12000000 - 0x127fffff] mem PCI: 00:00.2 10 * [0x12800000 - 0x128fffff] mem PCI: 00:0e.0 20 * [0x12900000 - 0x129fffff] mem PCI: 00:14.0 20 * [0x12a00000 - 0x12afffff] mem PCI: 00:15.0 10 * [0x12b00000 - 0x12b0ffff] mem PCI: 00:00.1 10 * [0x12b10000 - 0x12b17fff] mem PCI: 00:0e.0 10 * [0x12b18000 - 0x12b1bfff] mem PCI: 00:0d.1 18 * [0x12b1c000 - 0x12b1cfff] mem PCI: 00:0d.2 10 * [0x12b1d000 - 0x12b1dfff] mem PCI: 00:0f.0 10 * [0x12b1e000 - 0x12b1efff] mem PCI: 00:0f.1 10 * [0x12b1f000 - 0x12b1ffff] mem PCI: 00:0f.2 10 * [0x12b20000 - 0x12b20fff] mem PCI: 00:16.0 10 * [0x12b21000 - 0x12b21fff] mem PCI: 00:16.0 18 * [0x12b22000 - 0x12b22fff] mem PCI: 00:16.1 10 * [0x12b23000 - 0x12b23fff] mem PCI: 00:16.1 18 * [0x12b24000 - 0x12b24fff] mem PCI: 00:16.2 10 * [0x12b25000 - 0x12b25fff] mem PCI: 00:16.2 18 * [0x12b26000 - 0x12b26fff] mem PCI: 00:16.3 10 * [0x12b27000 - 0x12b27fff] mem PCI: 00:16.3 18 * [0x12b28000 - 0x12b28fff] mem PCI: 00:17.0 10 * [0x12b29000 - 0x12b29fff] mem PCI: 00:17.0 18 * [0x12b2a000 - 0x12b2afff] mem PCI: 00:17.1 10 * [0x12b2b000 - 0x12b2bfff] mem PCI: 00:17.1 18 * [0x12b2c000 - 0x12b2cfff] mem PCI: 00:18.0 10 * [0x12b2d000 - 0x12b2dfff] mem PCI: 00:18.0 18 * [0x12b2e000 - 0x12b2efff] mem PCI: 00:18.1 10 * [0x12b2f000 - 0x12b2ffff] mem PCI: 00:18.1 18 * [0x12b30000 - 0x12b30fff] mem PCI: 00:18.2 18 * [0x12b31000 - 0x12b31fff] mem PCI: 00:19.0 10 * [0x12b32000 - 0x12b32fff] mem PCI: 00:19.0 18 * [0x12b33000 - 0x12b33fff] mem PCI: 00:1b.0 10 * [0x12b34000 - 0x12b34fff] mem PCI: 00:1b.0 18 * [0x12b35000 - 0x12b35fff] mem PCI: 00:1c.0 10 * [0x12b36000 - 0x12b36fff] mem PCI: 00:1c.0 18 * [0x12b37000 - 0x12b37fff] mem PCI: 00:00.2 20 * [0x12b38000 - 0x12b381ff] mem PCI: 00:1f.1 10 * [0x12b39000 - 0x12b390ff] mem DOMAIN: 0000 mem: base: 12b39100 size: 12b39100 align: 28 gran: 0 limit: ffffffff done avoid_fixed_resources: DOMAIN: 0000 avoid_fixed_resources:@DOMAIN: 0000 10000000 limit 0000ffff avoid_fixed_resources:@DOMAIN: 0000 10000100 limit ffffffff constrain_resources: PCI: 00:00.0 00 base e0000000 limit efffffff mem (fixed) constrain_resources: PCI: 00:00.0 02 base 00000000 limit 0009ffff mem (fixed) constrain_resources: PCI: 00:00.0 03 base 000c0000 limit 7affffff mem (fixed) constrain_resources: PCI: 00:00.0 05 base 7b000000 limit 7b7fffff mem (fixed) constrain_resources: PCI: 00:00.0 06 base 7b800000 limit 7fffffff mem (fixed) constrain_resources: PCI: 00:0d.0 10 base d0000000 limit d0ffffff mem (fixed) constrain_resources: PCI: 00:0d.1 20 base 00000400 limit 000004ff io (fixed) constrain_resources: PCI: 00:1f.0 00 base 00000000 limit 00000fff io (fixed) avoid_fixed_resources:@DOMAIN: 0000 10000000 base 00001000 limit 0000ffff avoid_fixed_resources:@DOMAIN: 0000 10000100 base b0000000 limit cfffffff Setting resources... DOMAIN: 0000 io: base:1000 size:60 align:6 gran:0 limit:ffff PCI: 00:02.0 20 * [0x1000 - 0x103f] io PCI: 00:1f.1 20 * [0x1040 - 0x105f] io DOMAIN: 0000 io: next_base: 1060 size: 60 align: 6 gran: 0 done PCI: 00:14.0 io: base:ffff size:0 align:12 gran:12 limit:ffff PCI: 00:14.0 io: next_base: ffff size: 0 align: 12 gran: 12 done DOMAIN: 0000 mem: base:b0000000 size:12b39100 align:28 gran:0 limit:cfffffff PCI: 00:02.0 18 * [0xb0000000 - 0xbfffffff] prefmem PCI: 00:02.0 10 * [0xc0000000 - 0xc0ffffff] mem PCI: 00:03.0 10 * [0xc1000000 - 0xc1ffffff] mem PCI: 00:00.2 18 * [0xc2000000 - 0xc27fffff] mem PCI: 00:00.2 10 * [0xc2800000 - 0xc28fffff] mem PCI: 00:0e.0 20 * [0xc2900000 - 0xc29fffff] mem PCI: 00:14.0 20 * [0xc2a00000 - 0xc2afffff] mem PCI: 00:15.0 10 * [0xc2b00000 - 0xc2b0ffff] mem PCI: 00:00.1 10 * [0xc2b10000 - 0xc2b17fff] mem PCI: 00:0e.0 10 * [0xc2b18000 - 0xc2b1bfff] mem PCI: 00:0d.1 18 * [0xc2b1c000 - 0xc2b1cfff] mem PCI: 00:0d.2 10 * [0xc2b1d000 - 0xc2b1dfff] mem PCI: 00:0f.0 10 * [0xc2b1e000 - 0xc2b1efff] mem PCI: 00:0f.1 10 * [0xc2b1f000 - 0xc2b1ffff] mem PCI: 00:0f.2 10 * [0xc2b20000 - 0xc2b20fff] mem PCI: 00:16.0 10 * [0xc2b21000 - 0xc2b21fff] mem PCI: 00:16.0 18 * [0xc2b22000 - 0xc2b22fff] mem PCI: 00:16.1 10 * [0xc2b23000 - 0xc2b23fff] mem PCI: 00:16.1 18 * [0xc2b24000 - 0xc2b24fff] mem PCI: 00:16.2 10 * [0xc2b25000 - 0xc2b25fff] mem PCI: 00:16.2 18 * [0xc2b26000 - 0xc2b26fff] mem PCI: 00:16.3 10 * [0xc2b27000 - 0xc2b27fff] mem PCI: 00:16.3 18 * [0xc2b28000 - 0xc2b28fff] mem PCI: 00:17.0 10 * [0xc2b29000 - 0xc2b29fff] mem PCI: 00:17.0 18 * [0xc2b2a000 - 0xc2b2afff] mem PCI: 00:17.1 10 * [0xc2b2b000 - 0xc2b2bfff] mem PCI: 00:17.1 18 * [0xc2b2c000 - 0xc2b2cfff] mem PCI: 00:18.0 10 * [0xc2b2d000 - 0xc2b2dfff] mem PCI: 00:18.0 18 * [0xc2b2e000 - 0xc2b2efff] mem PCI: 00:18.1 10 * [0xc2b2f000 - 0xc2b2ffff] mem PCI: 00:18.1 18 * [0xc2b30000 - 0xc2b30fff] mem PCI: 00:18.2 18 * [0xc2b31000 - 0xc2b31fff] mem PCI: 00:19.0 10 * [0xc2b32000 - 0xc2b32fff] mem PCI: 00:19.0 18 * [0xc2b33000 - 0xc2b33fff] mem PCI: 00:1b.0 10 * [0xc2b34000 - 0xc2b34fff] mem PCI: 00:1b.0 18 * [0xc2b35000 - 0xc2b35fff] mem PCI: 00:1c.0 10 * [0xc2b36000 - 0xc2b36fff] mem PCI: 00:1c.0 18 * [0xc2b37000 - 0xc2b37fff] mem PCI: 00:00.2 20 * [0xc2b38000 - 0xc2b381ff] mem PCI: 00:1f.1 10 * [0xc2b39000 - 0xc2b390ff] mem DOMAIN: 0000 mem: next_base: c2b39100 size: 12b39100 align: 28 gran: 0 done PCI: 00:14.0 prefmem: base:cfffffff size:0 align:20 gran:20 limit:cfffffff PCI: 00:14.0 prefmem: next_base: cfffffff size: 0 align: 20 gran: 20 done PCI: 00:14.0 mem: base:c2a00000 size:100000 align:20 gran:20 limit:c2afffff PCI: 01:00.0 10 * [0xc2a00000 - 0xc2a01fff] mem PCI: 00:14.0 mem: next_base: c2a02000 size: 100000 align: 20 gran: 20 done Root Device assign_resources, bus 0 link: 0 DOMAIN: 0000 assign_resources, bus 0 link: 0 PCI: 00:00.1 10 <- [0x00c2b10000 - 0x00c2b17fff] size 0x00008000 gran 0x0f mem64 PCI: 00:00.2 10 <- [0x00c2800000 - 0x00c28fffff] size 0x00100000 gran 0x14 mem64 PCI: 00:00.2 18 <- [0x00c2000000 - 0x00c27fffff] size 0x00800000 gran 0x17 mem64 PCI: 00:00.2 20 <- [0x00c2b38000 - 0x00c2b381ff] size 0x00000200 gran 0x09 mem64 PCI: 00:02.0 10 <- [0x00c0000000 - 0x00c0ffffff] size 0x01000000 gran 0x18 mem64 PCI: 00:02.0 18 <- [0x00b0000000 - 0x00bfffffff] size 0x10000000 gran 0x1c prefmem64 PCI: 00:02.0 20 <- [0x0000001000 - 0x000000103f] size 0x00000040 gran 0x06 io PCI: 00:03.0 10 <- [0x00c1000000 - 0x00c1ffffff] size 0x01000000 gran 0x18 mem64 PCI: 00:0d.1 18 <- [0x00c2b1c000 - 0x00c2b1cfff] size 0x00001000 gran 0x0c mem64 PCI: 00:0d.1 10 <- [0x00fe042000 - 0x00fe043fff] size 0x00002000 gran 0x00 mem PMC BAR PCI: 00:0d.1 20 <- [0x0000000400 - 0x00000004ff] size 0x00000100 gran 0x00 io ACPI BAR PCI: 00:0d.2 10 <- [0x00c2b1d000 - 0x00c2b1dfff] size 0x00001000 gran 0x0c mem PCI: 00:0d.3 10 <- [0x00fe900000 - 0x00fe901fff] size 0x00002000 gran 0x00 mem SRAM BAR 0 PCI: 00:0d.3 18 <- [0x00fe902000 - 0x00fe902fff] size 0x00001000 gran 0x00 mem SRAM BAR 2 PCI: 00:0e.0 10 <- [0x00c2b18000 - 0x00c2b1bfff] size 0x00004000 gran 0x0e mem64 PCI: 00:0e.0 20 <- [0x00c2900000 - 0x00c29fffff] size 0x00100000 gran 0x14 mem64 PCI: 00:0e.0 assign_resources, bus 0 link: 0 PCI: 00:0e.0 assign_resources, bus 0 link: 0 PCI: 00:0f.0 10 <- [0x00c2b1e000 - 0x00c2b1efff] size 0x00001000 gran 0x0c mem64 PCI: 00:0f.1 10 <- [0x00c2b1f000 - 0x00c2b1ffff] size 0x00001000 gran 0x0c mem64 PCI: 00:0f.2 10 <- [0x00c2b20000 - 0x00c2b20fff] size 0x00001000 gran 0x0c mem64 PCI: 00:14.0 1c <- [0x000000ffff - 0x000000fffe] size 0x00000000 gran 0x0c bus 01 io PCI: 00:14.0 24 <- [0x00cfffffff - 0x00cffffffe] size 0x00000000 gran 0x14 bus 01 prefmem PCI: 00:14.0 20 <- [0x00c2a00000 - 0x00c2afffff] size 0x00100000 gran 0x14 bus 01 mem PCI: 00:14.0 assign_resources, bus 1 link: 0 PCI: 01:00.0 10 <- [0x00c2a00000 - 0x00c2a01fff] size 0x00002000 gran 0x0d mem64 PCI: 00:14.0 assign_resources, bus 1 link: 0 PCI: 00:15.0 10 <- [0x00c2b00000 - 0x00c2b0ffff] size 0x00010000 gran 0x10 mem64 PCI: 00:16.0 10 <- [0x00c2b21000 - 0x00c2b21fff] size 0x00001000 gran 0x0c mem64 PCI: 00:16.0 18 <- [0x00c2b22000 - 0x00c2b22fff] size 0x00001000 gran 0x0c mem64 PCI: 00:16.0 assign_resources, bus 1 link: 0 PCI: 00:16.0 assign_resources, bus 1 link: 0 PCI: 00:16.1 10 <- [0x00c2b23000 - 0x00c2b23fff] size 0x00001000 gran 0x0c mem64 PCI: 00:16.1 18 <- [0x00c2b24000 - 0x00c2b24fff] size 0x00001000 gran 0x0c mem64 PCI: 00:16.2 10 <- [0x00c2b25000 - 0x00c2b25fff] size 0x00001000 gran 0x0c mem64 PCI: 00:16.2 18 <- [0x00c2b26000 - 0x00c2b26fff] size 0x00001000 gran 0x0c mem64 PCI: 00:16.2 assign_resources, bus 2 link: 0 PCI: 00:16.2 assign_resources, bus 2 link: 0 PCI: 00:16.3 10 <- [0x00c2b27000 - 0x00c2b27fff] size 0x00001000 gran 0x0c mem64 PCI: 00:16.3 18 <- [0x00c2b28000 - 0x00c2b28fff] size 0x00001000 gran 0x0c mem64 PCI: 00:16.3 assign_resources, bus 3 link: 0 PCI: 00:16.3 assign_resources, bus 3 link: 0 PCI: 00:17.0 10 <- [0x00c2b29000 - 0x00c2b29fff] size 0x00001000 gran 0x0c mem64 PCI: 00:17.0 18 <- [0x00c2b2a000 - 0x00c2b2afff] size 0x00001000 gran 0x0c mem64 PCI: 00:17.0 assign_resources, bus 4 link: 0 PCI: 00:17.0 assign_resources, bus 4 link: 0 PCI: 00:17.1 10 <- [0x00c2b2b000 - 0x00c2b2bfff] size 0x00001000 gran 0x0c mem64 PCI: 00:17.1 18 <- [0x00c2b2c000 - 0x00c2b2cfff] size 0x00001000 gran 0x0c mem64 PCI: 00:17.1 assign_resources, bus 5 link: 0 PCI: 00:17.1 assign_resources, bus 5 link: 0 PCI: 00:18.0 10 <- [0x00c2b2d000 - 0x00c2b2dfff] size 0x00001000 gran 0x0c mem64 PCI: 00:18.0 18 <- [0x00c2b2e000 - 0x00c2b2efff] size 0x00001000 gran 0x0c mem64 PCI: 00:18.1 10 <- [0x00c2b2f000 - 0x00c2b2ffff] size 0x00001000 gran 0x0c mem64 PCI: 00:18.1 18 <- [0x00c2b30000 - 0x00c2b30fff] size 0x00001000 gran 0x0c mem64 PCI: 00:18.2 18 <- [0x00c2b31000 - 0x00c2b31fff] size 0x00001000 gran 0x0c mem64 PCI: 00:19.0 10 <- [0x00c2b32000 - 0x00c2b32fff] size 0x00001000 gran 0x0c mem64 PCI: 00:19.0 18 <- [0x00c2b33000 - 0x00c2b33fff] size 0x00001000 gran 0x0c mem64 PCI: 00:1b.0 10 <- [0x00c2b34000 - 0x00c2b34fff] size 0x00001000 gran 0x0c mem64 PCI: 00:1b.0 18 <- [0x00c2b35000 - 0x00c2b35fff] size 0x00001000 gran 0x0c mem64 PCI: 00:1c.0 10 <- [0x00c2b36000 - 0x00c2b36fff] size 0x00001000 gran 0x0c mem64 PCI: 00:1c.0 18 <- [0x00c2b37000 - 0x00c2b37fff] size 0x00001000 gran 0x0c mem64 PCI: 00:1f.0 assign_resources, bus 0 link: 0 PNP: 0c09.0 missing set_resources PCI: 00:1f.0 assign_resources, bus 0 link: 0 LPC: Trying to open IO window from 800 size 1ff LPC: Opened IO window LGIR3: base 800 size 100 LPC: Cannot open IO window: 900 size ff No more IO windows PCI: 00:1f.1 10 <- [0x00c2b39000 - 0x00c2b390ff] size 0x00000100 gran 0x08 mem64 PCI: 00:1f.1 20 <- [0x0000001040 - 0x000000105f] size 0x00000020 gran 0x05 io DOMAIN: 0000 assign_resources, bus 0 link: 0 Root Device assign_resources, bus 0 link: 0 Done setting resources. Show resources in subtree (Root Device)...After assigning values. Root Device child on link 0 CPU_CLUSTER: 0 CPU_CLUSTER: 0 child on link 0 APIC: 00 APIC: 00 DOMAIN: 0000 child on link 0 PCI: 00:00.0 DOMAIN: 0000 resource base 1000 size 60 align 6 gran 0 limit ffff flags 40040100 index 10000000 DOMAIN: 0000 resource base b0000000 size 12b39100 align 28 gran 0 limit cfffffff flags 40040200 index 10000100 PCI: 00:00.0 PCI: 00:00.0 resource base e0000000 size 10000000 align 0 gran 0 limit 0 flags f0000200 index 0 PCI: 00:00.0 resource base fed10000 size 8000 align 0 gran 0 limit 0 flags f0000200 index 1 PCI: 00:00.0 resource base 0 size a0000 align 0 gran 0 limit 0 flags e0004200 index 2 PCI: 00:00.0 resource base c0000 size 7af40000 align 0 gran 0 limit 0 flags e0004200 index 3 PCI: 00:00.0 resource base 7b000000 size 800000 align 0 gran 0 limit 0 flags f0004200 index 5 PCI: 00:00.0 resource base 7b800000 size 4800000 align 0 gran 0 limit 0 flags f0000200 index 6 PCI: 00:00.0 resource base 100000000 size 80000000 align 0 gran 0 limit 0 flags e0004200 index 7 PCI: 00:00.0 resource base a0000 size 20000 align 0 gran 0 limit 0 flags f0000200 index 8 PCI: 00:00.0 resource base c0000 size 40000 align 0 gran 0 limit 0 flags f0004200 index 9 PCI: 00:00.0 resource base 11800000 size 400000 align 0 gran 0 limit 0 flags f0004200 index a PCI: 00:00.0 resource base 11000000 size 800000 align 0 gran 0 limit 0 flags f0004200 index b PCI: 00:00.0 resource base 12000000 size 100000 align 0 gran 0 limit 0 flags f0004200 index c PCI: 00:00.0 resource base 12150000 size 1000 align 0 gran 0 limit 0 flags f0004200 index d PCI: 00:00.0 resource base 12140000 size 10000 align 0 gran 0 limit 0 flags f0004200 index e PCI: 00:00.0 resource base 10000000 size 1000000 align 0 gran 0 limit 0 flags f0004200 index f PCI: 00:00.0 resource base 11c00000 size 400000 align 0 gran 0 limit 0 flags f0004200 index 10 PCI: 00:00.0 resource base 12100000 size 40000 align 0 gran 0 limit 0 flags f0004200 index 11 PCI: 00:00.1 PCI: 00:00.1 resource base c2b10000 size 8000 align 15 gran 15 limit c2b17fff flags 60000201 index 10 PCI: 00:00.2 PCI: 00:00.2 resource base c2800000 size 100000 align 20 gran 20 limit c28fffff flags 60000201 index 10 PCI: 00:00.2 resource base c2000000 size 800000 align 23 gran 23 limit c27fffff flags 60000201 index 18 PCI: 00:00.2 resource base c2b38000 size 200 align 12 gran 9 limit c2b381ff flags 60000201 index 20 PCI: 00:02.0 PCI: 00:02.0 resource base c0000000 size 1000000 align 24 gran 24 limit c0ffffff flags 60000201 index 10 PCI: 00:02.0 resource base b0000000 size 10000000 align 28 gran 28 limit bfffffff flags 60001201 index 18 PCI: 00:02.0 resource base 1000 size 40 align 6 gran 6 limit 103f flags 60000100 index 20 PCI: 00:03.0 PCI: 00:03.0 resource base c1000000 size 1000000 align 24 gran 24 limit c1ffffff flags 60000201 index 10 PCI: 00:0d.0 PCI: 00:0d.0 resource base d0000000 size 1000000 align 0 gran 0 limit 0 flags f0000200 index 10 PCI: 00:0d.1 PCI: 00:0d.1 resource base fe042000 size 2000 align 0 gran 0 limit 0 flags e0000200 index 10 PCI: 00:0d.1 resource base c2b1c000 size 1000 align 12 gran 12 limit c2b1cfff flags 60000201 index 18 PCI: 00:0d.1 resource base 400 size 100 align 0 gran 0 limit 0 flags e0000100 index 20 PCI: 00:0d.2 PCI: 00:0d.2 resource base c2b1d000 size 1000 align 12 gran 12 limit c2b1dfff flags 60000200 index 10 PCI: 00:0d.3 PCI: 00:0d.3 resource base fe900000 size 2000 align 0 gran 0 limit 0 flags e0000200 index 10 PCI: 00:0d.3 resource base fe902000 size 1000 align 0 gran 0 limit 0 flags e0000200 index 18 PCI: 00:0e.0 child on link 0 GENERIC: 0.0 PCI: 00:0e.0 resource base c2b18000 size 4000 align 14 gran 14 limit c2b1bfff flags 60000201 index 10 PCI: 00:0e.0 resource base c2900000 size 100000 align 20 gran 20 limit c29fffff flags 60000201 index 20 GENERIC: 0.0 PCI: 00:0f.0 PCI: 00:0f.0 resource base c2b1e000 size 1000 align 12 gran 12 limit c2b1efff flags 60000201 index 10 PCI: 00:0f.1 PCI: 00:0f.1 resource base c2b1f000 size 1000 align 12 gran 12 limit c2b1ffff flags 60000201 index 10 PCI: 00:0f.2 PCI: 00:0f.2 resource base c2b20000 size 1000 align 12 gran 12 limit c2b20fff flags 60000201 index 10 PCI: 00:11.0 PCI: 00:12.0 PCI: 00:13.0 PCI: 00:13.1 PCI: 00:13.2 PCI: 00:13.3 PCI: 00:14.0 child on link 0 PCI: 01:00.0 PCI: 00:14.0 resource base ffff size 0 align 12 gran 12 limit ffff flags 60080102 index 1c PCI: 00:14.0 resource base cfffffff size 0 align 20 gran 20 limit cfffffff flags 60081202 index 24 PCI: 00:14.0 resource base c2a00000 size 100000 align 20 gran 20 limit c2afffff flags 60080202 index 20 PCI: 01:00.0 PCI: 01:00.0 resource base c2a00000 size 2000 align 13 gran 13 limit c2a01fff flags 60000201 index 10 PCI: 00:14.1 PCI: 00:15.0 PCI: 00:15.0 resource base c2b00000 size 10000 align 16 gran 16 limit c2b0ffff flags 60000201 index 10 PCI: 00:15.1 PCI: 00:16.0 child on link 0 I2C: 01:1a PCI: 00:16.0 resource base c2b21000 size 1000 align 12 gran 12 limit c2b21fff flags 60000201 index 10 PCI: 00:16.0 resource base c2b22000 size 1000 align 12 gran 12 limit c2b22fff flags 60000201 index 18 I2C: 01:1a PCI: 00:16.1 PCI: 00:16.1 resource base c2b23000 size 1000 align 12 gran 12 limit c2b23fff flags 60000201 index 10 PCI: 00:16.1 resource base c2b24000 size 1000 align 12 gran 12 limit c2b24fff flags 60000201 index 18 PCI: 00:16.2 child on link 0 I2C: 02:50 PCI: 00:16.2 resource base c2b25000 size 1000 align 12 gran 12 limit c2b25fff flags 60000201 index 10 PCI: 00:16.2 resource base c2b26000 size 1000 align 12 gran 12 limit c2b26fff flags 60000201 index 18 I2C: 02:50 PCI: 00:16.3 child on link 0 I2C: 03:10 PCI: 00:16.3 resource base c2b27000 size 1000 align 12 gran 12 limit c2b27fff flags 60000201 index 10 PCI: 00:16.3 resource base c2b28000 size 1000 align 12 gran 12 limit c2b28fff flags 60000201 index 18 I2C: 03:10 I2C: 03:39 PCI: 00:17.0 child on link 0 I2C: 04:15 PCI: 00:17.0 resource base c2b29000 size 1000 align 12 gran 12 limit c2b29fff flags 60000201 index 10 PCI: 00:17.0 resource base c2b2a000 size 1000 align 12 gran 12 limit c2b2afff flags 60000201 index 18 I2C: 04:15 I2C: 04:2c PCI: 00:17.1 child on link 0 I2C: 05:09 PCI: 00:17.1 resource base c2b2b000 size 1000 align 12 gran 12 limit c2b2bfff flags 60000201 index 10 PCI: 00:17.1 resource base c2b2c000 size 1000 align 12 gran 12 limit c2b2cfff flags 60000201 index 18 I2C: 05:09 PCI: 00:17.2 PCI: 00:17.3 PCI: 00:18.0 PCI: 00:18.0 resource base c2b2d000 size 1000 align 12 gran 12 limit c2b2dfff flags 60000201 index 10 PCI: 00:18.0 resource base c2b2e000 size 1000 align 12 gran 12 limit c2b2efff flags 60000201 index 18 PCI: 00:18.1 PCI: 00:18.1 resource base c2b2f000 size 1000 align 12 gran 12 limit c2b2ffff flags 60000201 index 10 PCI: 00:18.1 resource base c2b30000 size 1000 align 12 gran 12 limit c2b30fff flags 60000201 index 18 PCI: 00:18.2 PCI: 00:18.2 resource base de000000 size 1000 align 0 gran 0 limit 0 flags e0000200 index 10 PCI: 00:18.2 resource base c2b31000 size 1000 align 12 gran 12 limit c2b31fff flags 60000201 index 18 PCI: 00:18.3 PCI: 00:19.0 PCI: 00:19.0 resource base c2b32000 size 1000 align 12 gran 12 limit c2b32fff flags 60000201 index 10 PCI: 00:19.0 resource base c2b33000 size 1000 align 12 gran 12 limit c2b33fff flags 60000201 index 18 PCI: 00:19.1 PCI: 00:19.2 PCI: 00:1a.0 PCI: 00:1b.0 PCI: 00:1b.0 resource base c2b34000 size 1000 align 12 gran 12 limit c2b34fff flags 60000201 index 10 PCI: 00:1b.0 resource base c2b35000 size 1000 align 12 gran 12 limit c2b35fff flags 60000201 index 18 PCI: 00:1c.0 PCI: 00:1c.0 resource base c2b36000 size 1000 align 12 gran 12 limit c2b36fff flags 60000201 index 10 PCI: 00:1c.0 resource base c2b37000 size 1000 align 12 gran 12 limit c2b37fff flags 60000201 index 18 PCI: 00:1e.0 PCI: 00:1f.0 child on link 0 PNP: 0c09.0 PCI: 00:1f.0 resource base 0 size 1000 align 0 gran 0 limit 0 flags c0000100 index 0 PNP: 0c09.0 PNP: 0c09.0 resource base 800 size 1ff align 0 gran 0 limit 0 flags c0000100 index 0 PCI: 00:1f.1 PCI: 00:1f.1 resource base c2b39000 size 100 align 12 gran 8 limit c2b390ff flags 60000201 index 10 PCI: 00:1f.1 resource base 1040 size 20 align 5 gran 5 limit 105f flags 60000100 index 20 Done allocating resources. BS: BS_DEV_RESOURCES times (us): entry 0 run 2943964 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 169 run 112203 exit 0 FMAP: area FPF_STATUS found @ 42f000 (4096 bytes) Initializing devices... Root Device init ... Root Device init finished in 2133 usecs CPU_CLUSTER: 0 init ... MTRR: Physical address space: 0x0000000000000000 - 0x00000000000a0000 size 0x000a0000 type 6 0x00000000000a0000 - 0x00000000000c0000 size 0x00020000 type 0 0x00000000000c0000 - 0x000000007b800000 size 0x7b740000 type 6 0x000000007b800000 - 0x00000000b0000000 size 0x34800000 type 0 0x00000000b0000000 - 0x00000000c0000000 size 0x10000000 type 1 0x00000000c0000000 - 0x0000000100000000 size 0x40000000 type 0 0x0000000100000000 - 0x0000000180000000 size 0x80000000 type 6 MTRR: Fixed MSR 0x250 0x0606060606060606 MTRR: Fixed MSR 0x258 0x0606060606060606 MTRR: Fixed MSR 0x259 0x0000000000000000 MTRR: Fixed MSR 0x268 0x0606060606060606 MTRR: Fixed MSR 0x269 0x0606060606060606 MTRR: Fixed MSR 0x26a 0x0606060606060606 MTRR: Fixed MSR 0x26b 0x0606060606060606 MTRR: Fixed MSR 0x26c 0x0606060606060606 MTRR: Fixed MSR 0x26d 0x0606060606060606 MTRR: Fixed MSR 0x26e 0x0606060606060606 MTRR: Fixed MSR 0x26f 0x0606060606060606 call enable_fixed_mtrr() CPU physical address size: 39 bits MTRR: default type WB/UC MTRR counts: 6/8. MTRR: WB selected as default type. MTRR: 0 base 0x000000007b800000 mask 0x0000007fff800000 type 0 MTRR: 1 base 0x000000007c000000 mask 0x0000007ffc000000 type 0 MTRR: 2 base 0x0000000080000000 mask 0x0000007fe0000000 type 0 MTRR: 3 base 0x00000000a0000000 mask 0x0000007ff0000000 type 0 MTRR: 4 base 0x00000000b0000000 mask 0x0000007ff0000000 type 1 MTRR: 5 base 0x00000000c0000000 mask 0x0000007fc0000000 type 0 MTRR check Fixed MTRRs : Enabled Variable MTRRs: Enabled Detected 4 core, 4 thread CPU. Will perform SMM setup. FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'cpu_microcode_blob.bin' CBFS: Found @ offset 11d40 size 4000 microcode: sig=0x506c9 pf=0x1 revision=0x2c CPU: Intel(R) Pentium(R) CPU N4200 @ 1.10GHz. Loading module at 00030000 with entry 00030000. filesize: 0x130 memsize: 0x130 Processing 16 relocs. Offset value of 0x00030000 Attempting to start 3 APs Waiting for 10ms after sending INIT. Waiting for 1st SIPI to complete...AP: slot 2 apic_id 4. done. AP: slot 1 apic_id 6. AP: slot 3 apic_id 2. Waiting for 2nd SIPI to complete...done. Loading module at 00038000 with entry 00038000. filesize: 0x1a8 memsize: 0x1a8 Processing 12 relocs. Offset value of 0x00038000 SMM Module: stub loaded at 00038000. Will call 7ab9065d(00000000) Installing SMM handler to 0x7b000000 Loading module at 7b010000 with entry 7b010cfc. filesize: 0x3550 memsize: 0x7630 Processing 229 relocs. Offset value of 0x7b010000 Loading module at 7b008000 with entry 7b008000. filesize: 0x1a8 memsize: 0x1a8 Processing 12 relocs. Offset value of 0x7b008000 SMM Module: placing jmp sequence at 7b007c00 rel16 0x03fd SMM Module: placing jmp sequence at 7b007800 rel16 0x07fd SMM Module: placing jmp sequence at 7b007400 rel16 0x0bfd SMM Module: stub loaded at 7b008000. Will call 7b010cfc(00000000) Clearing SMI status registers New SMBASE 0x7afff400 Relocation complete. New SMBASE 0x7afff800 Relocation complete. New SMBASE 0x7b000000 Relocation complete. New SMBASE 0x7afffc00 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 CPU: vendor Intel device 506c9 CPU: family 06, model 5c, stepping 09 Initializing CPU #2 CPU #3 initialized 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 #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 466988 usecs PCI: 00:00.0 init ... PCI: 00:00.0 init finished in 2229 usecs PCI: 00:00.1 init ... PCI: 00:00.1 init finished in 2229 usecs PCI: 00:00.2 init ... PCI: 00:00.2 init finished in 2229 usecs PCI: 00:02.0 init ... PCI: 00:02.0 init finished in 2229 usecs PCI: 00:03.0 init ... PCI: 00:03.0 init finished in 2227 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 27309 usecs PCI: 00:0d.2 init ... PCI: 00:0d.2 init finished in 2228 usecs PCI: 00:0f.0 init ... PCI: 00:0f.0 init finished in 2227 usecs PCI: 00:0f.1 init ... PCI: 00:0f.1 init finished in 2226 usecs PCI: 00:0f.2 init ... PCI: 00:0f.2 init finished in 2225 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 6113 usecs PCI: 00:16.1 init ... LPSS I2C bus 1 at 0xc2b23000 (400 KHz) PCI: 00:16.1 init finished in 6106 usecs PCI: 00:16.2 init ... LPSS I2C bus 2 at 0xc2b25000 (400 KHz) PCI: 00:16.2 init finished in 6098 usecs PCI: 00:16.3 init ... LPSS I2C bus 3 at 0xc2b27000 (400 KHz) PCI: 00:16.3 init finished in 6103 usecs PCI: 00:17.0 init ... LPSS I2C bus 4 at 0xc2b29000 (400 KHz) PCI: 00:17.0 init finished in 6097 usecs PCI: 00:17.1 init ... LPSS I2C bus 5 at 0xc2b2b000 (400 KHz) PCI: 00:17.1 init finished in 6104 usecs PCI: 00:19.0 init ... PCI: 00:19.0 init finished in 2224 usecs PCI: 00:1c.0 init ... PCI: 00:1c.0 init finished in 2226 usecs PCI: 00:1f.0 init ... RTC Init PCI: 00:1f.0 init finished in 3544 usecs PCI: 00:1f.1 init ... PCI: 00:1f.1 init finished in 2227 usecs PCI: 01:00.0 init ... PCI: 01:00.0 init finished in 2228 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 43085 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 4969 run 880127 exit 887 ELOG: Event(A1) added with size 10 at 2022-08-03 17:05:58 UTC elog_add_boot_reason: Logged recovery mode boot (Dev-switch on), reason: 0x1b ELOG: Event(A0) added with size 9 at 2022-08-03 17:05:58 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 24849 run 3930 exit 5249 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 44fb 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 811135 exit 0 FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'fallback/payload' CBFS: Found @ offset f6d00 size 36dd4 Loading segment from ROM address 0xff37cd38 code (compression=0) New segment dstaddr 0x30104040 memsize 0x251570 srcaddr 0xff37cd70 filesize 0x36d9c Loading segment from ROM address 0xff37cd54 Entry Point 0x30104040 Loading Segment: addr: 0x0000000030104040 memsz: 0x0000000000251570 filesz: 0x0000000000036d9c lb: [0x000000007ab78000, 0x000000007abc4bb0) Post relocation: addr: 0x0000000030104040 memsz: 0x0000000000251570 filesz: 0x0000000000036d9c it's not compressed! [ 0x30104040, 3013addc, 0x303555b0) <- ff37cd70 Clearing Segment: addr: 0x000000003013addc memsz: 0x000000000021a7d4 dest 30104040, end 303555b0, bouncebuffer ffffffff Loaded segments CSE FWSTS1: 0x80000245 CSE FWSTS2: 0x3b850000 CSE FWSTS3: 0x00000000 CSE FWSTS4: 0x00080000 CSE FWSTS5: 0x00000000 CSE FWSTS6: 0x40000000 ME: Manufacturing Mode : NO ME: FPF status : fused BS: BS_PAYLOAD_LOAD times (us): entry 174 run 107831 exit 31927 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:78:86:ca Sending DHCP discover... done. Waiting for reply... done. Sending DHCP request... done. Waiting for reply... done. My ip is 192.168.201.12 The DHCP server ip is 192.168.201.1 coral: tftpboot 192.168.201.1 6963057/tftp-deploy-ggkpprwn/kernel/bzImage 6963057/tftp-deploy-ggkpprwn/kernel/cmdline 6963057/tftp-deploy-ggkpprwn/ramdisk/ramdisk.cpio.gz tftpboot 192.168.201.1 6963057/tftp-deploy-ggkpprwn/kernel/bzImagoy-ggkpprwn/kernel/cmdline 6963057/tftp-deploy-ggkpprwn/ramdisk/ramdisk.cpio.gz Waiting for link done. MAC: 00:e0:4c:78:86:ca Sending DHCP discover... done. Waiting for reply... done. Sending DHCP request... done. Waiting for reply... done. My ip is 192.168.201.12 The DHCP server ip is 192.168.201.1 TFTP server IP predefined by user: 192.168.201.1 Bootfile predefined by user: 6963057/tftp-deploy-ggkpprwn/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 ############### done. The bootfile was 13226336 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 ######################################################## done. Sending tftp read request... done. Waiting for the transfer... 00000000 # done. Command line loaded dynamically from TFTP file: 6963057/tftp-deploy-ggkpprwn/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/6963057/extract-nfsrootfs-e69nxw4x,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: 21498934 Starting kernel ... [ 0.000000] Linux version 5.10.131-cip13 (KernelCI@build-j448524-x86-64-gcc-10-x86-64-defconfig-x86-chromeboopdgb7) (gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2) #1 SMP Wed Aug 3 16:43:37 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/6963057/extract-nfsrootfs-e69nxw4x,tcp,hard ip=dhcp tftpserverip=192.168.201.1 [ 0.000000] x86/fpu: Supporting XSAVE feature 0x001: 'x87 floating point registers' [ 0.000000] x86/fpu: Supporting XSAVE feature 0x002: 'SSE registers' [ 0.000000] x86/fpu: Supporting XSAVE feature 0x008: 'MPX bounds registers' [ 0.000000] x86/fpu: Supporting XSAVE feature 0x010: 'MPX CSR' [ 0.000000] x86/fpu: xstate_offset[3]: 576, xstate_sizes[3]: 64 [ 0.000000] x86/fpu: xstate_offset[4]: 640, xstate_sizes[4]: 64 [ 0.000000] x86/fpu: Enabled xstate features 0x1b, context size is 704 bytes, using 'compacted' format. [ 0.000000] BIOS-provided physical RAM map: [ 0.000000] BIOS-e820: [mem 0x0000000000000000-0x0000000000000fff] type 16 [ 0.000000] BIOS-e820: [mem 0x0000000000001000-0x000000000009ffff] usable [ 0.000000] BIOS-e820: [mem 0x00000000000a0000-0x00000000000fffff] reserved [ 0.000000] BIOS-e820: [mem 0x0000000000100000-0x000000000fffffff] usable [ 0.000000] BIOS-e820: [mem 0x0000000010000000-0x0000000012150fff] reserved [ 0.000000] BIOS-e820: [mem 0x0000000012151000-0x000000007a9fcfff] usable [ 0.000000] BIOS-e820: [mem 0x000000007a9fd000-0x000000007affffff] type 16 [ 0.000000] BIOS-e820: [mem 0x000000007b000000-0x000000007fffffff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000d0000000-0x00000000d0ffffff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000e0000000-0x00000000efffffff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000fed10000-0x00000000fed17fff] reserved [ 0.000000] BIOS-e820: [mem 0x0000000100000000-0x000000017fffffff] usable [ 0.000000] NX (Execute Disable) protection: active [ 0.000000] SMBIOS 2.7 present. [ 0.000000] DMI: Google Coral/Coral, BIOS 09/29/2020 [ 0.000000] tsc: Detected 1094.400 MHz processor [ 0.000055] last_pfn = 0x180000 max_arch_pfn = 0x400000000 [ 0.000294] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT [ 0.001136] last_pfn = 0x7a9fd max_arch_pfn = 0x400000000 [ 0.005064] check: Scanning 1 areas for low memory corruption [ 0.005076] Using GB pages for direct mapping [ 0.005547] RAMDISK: [mem 0x37811000-0x37ffffff] [ 0.005554] ACPI: Early table checksum verification disabled [ 0.005563] ACPI: RSDP 0x00000000000F0000 000024 (v02 CORE ) [ 0.005573] ACPI: XSDT 0x000000007AB100E0 00005C (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.005587] ACPI: FACP 0x000000007AB13130 0000F4 (v04 CORE COREBOOT 00000000 CORE 00000000) [ 0.005600] ACPI: DSDT 0x000000007AB10280 002EA8 (v05 COREv4 COREBOOT 20110725 INTL 20150717) [ 0.005610] ACPI: FACS 0x000000007AB10240 000040 [ 0.005619] ACPI: FACS 0x000000007AB10240 000040 [ 0.005628] ACPI: SSDT 0x000000007AB13230 0015FA (v02 CORE COREBOOT 0000002A CORE 0000002A) [ 0.005637] ACPI: MCFG 0x000000007AB14830 00003C (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.005647] ACPI: TCPA 0x000000007AB14870 000032 (v02 CORE COREBOOT 00000000 CORE 00000000) [ 0.005656] ACPI: APIC 0x000000007AB148B0 00006C (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.005665] ACPI: NHLT 0x000000007AB14920 000E60 (v05 coral coral 00000021 CORE 00000000) [ 0.005675] ACPI: HPET 0x000000007AB17780 000038 (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.005685] ACPI: Reserving FACP table memory at [mem 0x7ab13130-0x7ab13223] [ 0.005689] ACPI: Reserving DSDT table memory at [mem 0x7ab10280-0x7ab13127] [ 0.005693] ACPI: Reserving FACS table memory at [mem 0x7ab10240-0x7ab1027f] [ 0.005697] ACPI: Reserving FACS table memory at [mem 0x7ab10240-0x7ab1027f] [ 0.005700] ACPI: Reserving SSDT table memory at [mem 0x7ab13230-0x7ab14829] [ 0.005704] ACPI: Reserving MCFG table memory at [mem 0x7ab14830-0x7ab1486b] [ 0.005708] ACPI: Reserving TCPA table memory at [mem 0x7ab14870-0x7ab148a1] [ 0.005712] ACPI: Reserving APIC table memory at [mem 0x7ab148b0-0x7ab1491b] [ 0.005716] ACPI: Reserving NHLT table memory at [mem 0x7ab14920-0x7ab1577f] [ 0.005720] ACPI: Reserving HPET table memory at [mem 0x7ab17780-0x7ab177b7] [ 0.005840] No NUMA configuration found [ 0.005845] Faking a node at [mem 0x0000000000000000-0x000000017fffffff] [ 0.005853] NODE_DATA(0) allocated [mem 0x17fff9000-0x17fffcfff] [ 0.005898] Zone ranges: [ 0.005903] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 0.005909] DMA32 [mem 0x0000000001000000-0x00000000ffffffff] [ 0.005915] Normal [mem 0x0000000100000000-0x000000017fffffff] [ 0.005921] Movable zone start for each node [ 0.005924] Early memory node ranges [ 0.005928] node 0: [mem 0x0000000000001000-0x000000000009ffff] [ 0.005932] node 0: [mem 0x0000000000100000-0x000000000fffffff] [ 0.005936] node 0: [mem 0x0000000012151000-0x000000007a9fcfff] [ 0.005940] node 0: [mem 0x0000000100000000-0x000000017fffffff] [ 0.005945] Initmem setup node 0 [mem 0x0000000000001000-0x000000017fffffff] [ 0.005976] On node 0, zone DMA: 1 pages in unavailable ranges [ 0.006028] On node 0, zone DMA: 96 pages in unavailable ranges [ 0.012731] On node 0, zone DMA32: 8529 pages in unavailable ranges [ 0.020197] On node 0, zone Normal: 22019 pages in unavailable ranges [ 0.020229] Reserving Intel graphics memory at [mem 0x7c000000-0x7fffffff] [ 0.020523] ACPI: PM-Timer IO Port: 0x408 [ 0.020595] IOAPIC[0]: apic_id 2, version 32, address 0xfec00000, GSI 0-119 [ 0.020610] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl) [ 0.020616] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 low level) [ 0.020628] Using ACPI (MADT) for SMP configuration information [ 0.020633] ACPI: HPET id: 0x8086a701 base: 0xfed00000 [ 0.020645] TSC deadline timer available [ 0.020650] smpboot: Allowing 4 CPUs, 0 hotplug CPUs [ 0.020681] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] [ 0.020687] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000fffff] [ 0.020692] PM: hibernation: Registered nosave memory: [mem 0x10000000-0x12150fff] [ 0.020697] PM: hibernation: Registered nosave memory: [mem 0x7a9fd000-0x7affffff] [ 0.020700] PM: hibernation: Registered nosave memory: [mem 0x7b000000-0x7fffffff] [ 0.020704] PM: hibernation: Registered nosave memory: [mem 0x80000000-0xcfffffff] [ 0.020708] PM: hibernation: Registered nosave memory: [mem 0xd0000000-0xd0ffffff] [ 0.020711] PM: hibernation: Registered nosave memory: [mem 0xd1000000-0xdfffffff] [ 0.020715] PM: hibernation: Registered nosave memory: [mem 0xe0000000-0xefffffff] [ 0.020718] PM: hibernation: Registered nosave memory: [mem 0xf0000000-0xfed0ffff] [ 0.020722] PM: hibernation: Registered nosave memory: [mem 0xfed10000-0xfed17fff] [ 0.020726] PM: hibernation: Registered nosave memory: [mem 0xfed18000-0xffffffff] [ 0.020733] [mem 0x80000000-0xcfffffff] available for PCI devices [ 0.020742] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1910969940391419 ns [ 0.029013] setup_percpu: NR_CPUS:64 nr_cpumask_bits:64 nr_cpu_ids:4 nr_node_ids:1 [ 0.029642] percpu: Embedded 59 pages/cpu s200848 r8192 d32624 u524288 [ 0.029736] Built 1 zonelists, mobility grouping on. Total pages: 1002002 [ 0.029745] Policy zone: Normal [ 0.029766] 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/6963057/extract-nfsrootfs-e69nxw4x,tcp,hard ip=dhcp tftpserverip=192.168.201.1 [ 0.030719] Dentry cache hash table entries: 524288 (order: 10, 4194304 bytes, linear) [ 0.031165] Inode-cache hash table entries: 262144 (order: 9, 2097152 bytes, linear) [ 0.031233] mem auto-init: stack:off, heap alloc:off, heap free:off [ 0.064464] Memory: 3875424K/4071724K available (18450K kernel code, 3464K rwdata, 6028K rodata, 1692K init, 11548K bss, 196040K reserved, 0K cma-reserved) [ 0.064613] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1 [ 0.064670] Kernel/User page tables isolation: enabled [ 0.064740] ftrace: allocating 53343 entries in 209 pages [ 0.087997] ftrace: allocated 209 pages with 4 groups [ 0.088337] Running RCU self tests [ 0.088355] rcu: Hierarchical RCU implementation. [ 0.088359] rcu: RCU event tracing is enabled. [ 0.088362] rcu: RCU lockdep checking is enabled. [ 0.088366] rcu: RCU restricting CPUs from NR_CPUS=64 to nr_cpu_ids=4. [ 0.088370] Rude variant of Tasks RCU enabled. [ 0.088373] Tracing variant of Tasks RCU enabled. [ 0.088378] rcu: RCU calculated value of scheduler-enlistment delay is 100 jiffies. [ 0.088382] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=4 [ 0.096340] NR_IRQS: 4352, nr_irqs: 1024, preallocated irqs: 16 [ 0.096770] random: crng init done [ 0.096882] Console: colour dummy device 80x25 [ 0.165696] printk: console [ttyS2] enabled [ 0.166061] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 0.166706] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 0.167064] ... MAX_LOCK_DEPTH: 48 [ 0.167418] ... MAX_LOCKDEP_KEYS: 8192 [ 0.167792] ... CLASSHASH_SIZE: 4096 [ 0.168160] ... MAX_LOCKDEP_ENTRIES: 32768 [ 0.168544] ... MAX_LOCKDEP_CHAINS: 65536 [ 0.168919] ... CHAINHASH_SIZE: 32768 [ 0.169299] memory used by lock dependency info: 6365 kB [ 0.169763] memory used for stack traces: 4224 kB [ 0.170167] per task-struct memory footprint: 1920 bytes [ 0.170692] ACPI: Core revision 20200925 [ 0.171320] clocksource: hpet: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 99544814920 ns [ 0.172161] APIC: Switch to symmetric I/O mode setup [ 0.176980] ..TIMER: vector=0x30 apic1=0 pin1=2 apic2=-1 pin2=-1 [ 0.182148] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0xfc66f4fc7c, max_idle_ns: 440795224246 ns [ 0.183041] Calibrating delay loop (skipped), value calculated using timer frequency.. 2188.80 BogoMIPS (lpj=1094400) [ 0.184028] pid_max: default: 32768 minimum: 301 [ 0.185101] LSM: Security Framework initializing [ 0.185518] SELinux: Initializing. [ 0.186068] LSM support for eBPF active [ 0.186439] Mount-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) [ 0.187042] Mountpoint-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) [ 0.188984] mce: CPU0: Thermal monitoring enabled (TM1) [ 0.189134] Last level iTLB entries: 4KB 48, 2MB 0, 4MB 0 [ 0.189597] Last level dTLB entries: 4KB 0, 2MB 0, 4MB 0, 1GB 0 [ 0.190036] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization [ 0.191028] Spectre V2 : Mitigation: Retpolines [ 0.191419] Spectre V2 : Spectre v2 / SpectreRSB mitigation: Filling RSB on context switch [ 0.192027] Speculative Store Bypass: Vulnerable [ 0.193178] Freeing SMP alternatives memory: 44K [ 0.195315] smpboot: CPU0: Intel(R) Pentium(R) CPU N4200 @ 1.10GHz (family: 0x6, model: 0x5c, stepping: 0x9) [ 0.196932] Performance Events: PEBS fmt3+, Goldmont events, 32-deep LBR, full-width counters, Intel PMU driver. [ 0.197040] ... version: 4 [ 0.197383] ... bit width: 48 [ 0.197739] ... generic registers: 4 [ 0.198030] ... value mask: 0000ffffffffffff [ 0.198483] ... max period: 00007fffffffffff [ 0.198941] ... fixed-purpose events: 3 [ 0.199029] ... event mask: 000000070000000f [ 0.199972] rcu: Hierarchical SRCU implementation. [ 0.201860] smp: Bringing up secondary CPUs ... [ 0.202865] x86: Booting SMP configuration: [ 0.203044] .... node #0, CPUs: #1 #2 #3 [ 0.206170] smp: Brought up 1 node, 4 CPUs [ 0.207034] smpboot: Max logical packages: 1 [ 0.207398] smpboot: Total of 4 processors activated (8755.20 BogoMIPS) [ 0.210048] devtmpfs: initialized [ 0.210676] x86/mm: Memory block size: 128MB [ 0.215089] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1911260446275000 ns [ 0.216046] futex hash table entries: 1024 (order: 5, 131072 bytes, linear) [ 0.217116] pinctrl core: initialized pinctrl subsystem [ 0.217932] PM: RTC time: 17:06:14, date: 2022-08-03 [ 0.218610] NET: Registered protocol family 16 [ 0.219762] audit: initializing netlink subsys (disabled) [ 0.220108] audit: type=2000 audit(1659546374.042:1): state=initialized audit_enabled=0 res=1 [ 0.220868] thermal_sys: Registered thermal governor 'step_wise' [ 0.221035] thermal_sys: Registered thermal governor 'user_space' [ 0.221651] cpuidle: using governor menu [ 0.222216] ACPI: bus type PCI registered [ 0.223292] PCI: MMCONFIG for domain 0000 [bus 00-ff] at [mem 0xe0000000-0xefffffff] (base 0xe0000000) [ 0.224036] PCI: MMCONFIG at [mem 0xe0000000-0xefffffff] reserved in E820 [ 0.224665] PCI: Using configuration type 1 for base access [ 0.248504] Kprobes globally optimized [ 0.249189] HugeTLB registered 1.00 GiB page size, pre-allocated 0 pages [ 0.249635] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages [ 0.251198] cryptomgr_test (39) used greatest stack depth: 14880 bytes left [ 0.254334] ACPI: Added _OSI(Module Device) [ 0.254706] ACPI: Added _OSI(Processor Device) [ 0.255032] ACPI: Added _OSI(3.0 _SCP Extensions) [ 0.255434] ACPI: Added _OSI(Processor Aggregator Device) [ 0.255901] ACPI: Added _OSI(Linux-Dell-Video) [ 0.257033] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio) [ 0.257483] ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics) [ 0.266880] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 0.273646] ACPI: EC: EC started [ 0.273957] ACPI: EC: interrupt blocked [ 0.274695] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62 [ 0.275035] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC used to handle transactions [ 0.275662] ACPI: Interpreter enabled [ 0.276047] ACPI: (supports S0 S3 S5) [ 0.276366] ACPI: Using IOAPIC for interrupt routing [ 0.276845] PCI: Using host bridge windows from ACPI; if necessary, use \"pci=nocrs\" and report a bug [ 0.278901] ACPI: Enabled 1 GPEs in block 00 to 7F [ 0.283114] ACPI: Power Resource [PXP] (on) [ 0.306040] ACPI: Power Resource [PRIC] (on) [ 0.332551] ACPI: Power Resource [PRIC] (on) [ 0.404516] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 0.405041] acpi PNP0A08:00: _OSC: OS supports [ExtendedConfig ASPM ClockPM Segments MSI HPX-Type3] [ 0.406104] acpi PNP0A08:00: _OSC: OS now controls [PME PCIeCapability LTR] [ 0.407483] PCI host bridge to bus 0000:00 [ 0.407845] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 0.408032] pci_bus 0000:00: root bus resource [io 0x1000-0xffff window] [ 0.408611] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 0.410032] pci_bus 0000:00: root bus resource [mem 0x7b800000-0x7fffffff window] [ 0.410667] pci_bus 0000:00: root bus resource [mem 0x80000000-0xe0000000 window] [ 0.411032] pci_bus 0000:00: root bus resource [bus 00-ff] [ 0.411580] pci 0000:00:00.0: [8086:5af0] type 00 class 0x060000 [ 0.412945] pci 0000:00:00.1: [8086:5a8c] type 00 class 0x118000 [ 0.413077] pci 0000:00:00.1: reg 0x10: [mem 0xc2b10000-0xc2b17fff 64bit] [ 0.414350] pci 0000:00:00.2: [8086:5a8e] type 00 class 0x130000 [ 0.414882] pci 0000:00:00.2: reg 0x10: [mem 0xc2800000-0xc28fffff 64bit] [ 0.416048] pci 0000:00:00.2: reg 0x18: [mem 0xc2000000-0xc27fffff 64bit] [ 0.416642] pci 0000:00:00.2: reg 0x20: [mem 0xc2b38000-0xc2b381ff 64bit] [ 0.417525] pci 0000:00:02.0: [8086:5a84] type 00 class 0x030000 [ 0.418051] pci 0000:00:02.0: reg 0x10: [mem 0xc0000000-0xc0ffffff 64bit] [ 0.418640] pci 0000:00:02.0: reg 0x18: [mem 0xb0000000-0xbfffffff 64bit pref] [ 0.419039] pci 0000:00:02.0: reg 0x20: [io 0x1000-0x103f] [ 0.420039] pci 0000:00:03.0: [8086:5a88] type 00 class 0x048000 [ 0.420561] pci 0000:00:03.0: reg 0x10: [mem 0xc1000000-0xc1ffffff 64bit] [ 0.421617] pci 0000:00:0e.0: [8086:5a98] type 00 class 0x040100 [ 0.422067] pci 0000:00:0e.0: reg 0x10: [mem 0xc2b18000-0xc2b1bfff 64bit] [ 0.422695] pci 0000:00:0e.0: reg 0x20: [mem 0xc2900000-0xc29fffff 64bit] [ 0.424158] pci 0000:00:0e.0: PME# supported from D0 D3hot D3cold [ 0.425392] pci 0000:00:0f.0: [8086:5a9a] type 00 class 0x078000 [ 0.425945] pci 0000:00:0f.0: reg 0x10: [mem 0xc2b1e000-0xc2b1efff 64bit] [ 0.426199] pci 0000:00:0f.0: PME# supported from D3hot [ 0.427164] pci 0000:00:14.0: [8086:5ad6] type 01 class 0x060400 [ 0.427898] pci 0000:00:14.0: PME# supported from D0 D3hot D3cold [ 0.429717] pci 0000:00:15.0: [8086:5aa8] type 00 class 0x0c0330 [ 0.430065] pci 0000:00:15.0: reg 0x10: [mem 0xc2b00000-0xc2b0ffff 64bit] [ 0.430797] pci 0000:00:15.0: PME# supported from D3hot D3cold [ 0.431699] pci 0000:00:16.0: [8086:5aac] type 00 class 0x118000 [ 0.432069] pci 0000:00:16.0: reg 0x10: [mem 0xc2b21000-0xc2b21fff 64bit] [ 0.432667] pci 0000:00:16.0: reg 0x18: [mem 0xc2b22000-0xc2b22fff 64bit] [ 0.433705] pci 0000:00:16.1: [8086:5aae] type 00 class 0x118000 [ 0.435070] pci 0000:00:16.1: reg 0x10: [mem 0xc2b23000-0xc2b23fff 64bit] [ 0.435671] pci 0000:00:16.1: reg 0x18: [mem 0xc2b24000-0xc2b24fff 64bit] [ 0.436713] pci 0000:00:16.2: [8086:5ab0] type 00 class 0x118000 [ 0.437068] pci 0000:00:16.2: reg 0x10: [mem 0xc2b25000-0xc2b25fff 64bit] [ 0.437669] pci 0000:00:16.2: reg 0x18: [mem 0xc2b26000-0xc2b26fff 64bit] [ 0.438703] pci 0000:00:16.3: [8086:5ab2] type 00 class 0x118000 [ 0.439069] pci 0000:00:16.3: reg 0x10: [mem 0xc2b27000-0xc2b27fff 64bit] [ 0.439673] pci 0000:00:16.3: reg 0x18: [mem 0xc2b28000-0xc2b28fff 64bit] [ 0.441740] pci 0000:00:17.0: [8086:5ab4] type 00 class 0x118000 [ 0.442069] pci 0000:00:17.0: reg 0x10: [mem 0xc2b29000-0xc2b29fff 64bit] [ 0.442668] pci 0000:00:17.0: reg 0x18: [mem 0xc2b2a000-0xc2b2afff 64bit] [ 0.443705] pci 0000:00:17.1: [8086:5ab6] type 00 class 0x118000 [ 0.444070] pci 0000:00:17.1: reg 0x10: [mem 0xc2b2b000-0xc2b2bfff 64bit] [ 0.444669] pci 0000:00:17.1: reg 0x18: [mem 0xc2b2c000-0xc2b2cfff 64bit] [ 0.445736] pci 0000:00:18.0: [8086:5abc] type 00 class 0x118000 [ 0.447070] pci 0000:00:18.0: reg 0x10: [mem 0xc2b2d000-0xc2b2dfff 64bit] [ 0.447669] pci 0000:00:18.0: reg 0x18: [mem 0xc2b2e000-0xc2b2efff 64bit] [ 0.448711] pci 0000:00:18.1: [8086:5abe] type 00 class 0x118000 [ 0.449068] pci 0000:00:18.1: reg 0x10: [mem 0xc2b2f000-0xc2b2ffff 64bit] [ 0.449667] pci 0000:00:18.1: reg 0x18: [mem 0xc2b30000-0xc2b30fff 64bit] [ 0.450706] pci 0000:00:18.2: [8086:5ac0] type 00 class 0x118000 [ 0.451079] pci 0000:00:18.2: reg 0x10: [mem 0xde000000-0xde000fff 64bit] [ 0.451683] pci 0000:00:18.2: reg 0x18: [mem 0xc2b31000-0xc2b31fff 64bit] [ 0.453736] pci 0000:00:19.0: [8086:5ac2] type 00 class 0x118000 [ 0.454067] pci 0000:00:19.0: reg 0x10: [mem 0xc2b32000-0xc2b32fff 64bit] [ 0.454670] pci 0000:00:19.0: reg 0x18: [mem 0xc2b33000-0xc2b33fff 64bit] [ 0.455744] pci 0000:00:1b.0: [8086:5aca] type 00 class 0x080501 [ 0.456063] pci 0000:00:1b.0: reg 0x10: [mem 0xc2b34000-0xc2b34fff 64bit] [ 0.456657] pci 0000:00:1b.0: reg 0x18: [mem 0xc2b35000-0xc2b35fff 64bit] [ 0.457679] pci 0000:00:1c.0: [8086:5acc] type 00 class 0x080501 [ 0.459063] pci 0000:00:1c.0: reg 0x10: [mem 0xc2b36000-0xc2b36fff 64bit] [ 0.459660] pci 0000:00:1c.0: reg 0x18: [mem 0xc2b37000-0xc2b37fff 64bit] [ 0.460827] pci 0000:00:1f.0: [8086:5ae8] type 00 class 0x060100 [ 0.461905] pci 0000:00:1f.1: [8086:5ad4] type 00 class 0x0c0500 [ 0.462104] pci 0000:00:1f.1: reg 0x10: [mem 0xc2b39000-0xc2b390ff 64bit] [ 0.462766] pci 0000:00:1f.1: reg 0x20: [io 0x1040-0x105f] [ 0.465179] pci 0000:01:00.0: [8086:095a] type 00 class 0x028000 [ 0.465874] pci 0000:01:00.0: reg 0x10: [mem 0xc2a00000-0xc2a01fff 64bit] [ 0.466611] pci 0000:01:00.0: Upstream bridge's Max Payload Size set to 128 (was 256, max 256) [ 0.467176] pci 0000:01:00.0: Max Payload Size set to 128 (was 128, max 128) [ 0.468485] pci 0000:01:00.0: PME# supported from D0 D3hot D3cold [ 0.470852] pci 0000:00:14.0: PCI bridge to [bus 01] [ 0.472045] pci 0000:00:14.0: bridge window [mem 0xc2a00000-0xc2afffff] [ 0.480115] ACPI: EC: interrupt unblocked [ 0.480473] ACPI: EC: event unblocked [ 0.480821] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62 [ 0.481030] ACPI: EC: GPE=0x2b [ 0.481307] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC initialization complete [ 0.481909] ACPI: \_SB_.PCI0.LPCB.EC0_: EC: Used to handle transactions and events [ 0.483119] iommu: Default domain type: Translated [ 0.484238] pci 0000:00:02.0: vgaarb: setting as boot VGA device [ 0.484650] pci 0000:00:02.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none [ 0.485057] pci 0000:00:02.0: vgaarb: bridge control possible [ 0.485550] vgaarb: loaded [ 0.486358] SCSI subsystem initialized [ 0.487103] ACPI: bus type USB registered [ 0.487596] usbcore: registered new interface driver usbfs [ 0.488087] usbcore: registered new interface driver hub [ 0.488584] usbcore: registered new device driver usb [ 0.489147] pps_core: LinuxPPS API ver. 1 registered [ 0.489569] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 0.491043] PTP clock support registered [ 0.491452] Advanced Linux Sound Architecture Driver Initialized. [ 0.492978] NetLabel: Initializing [ 0.493031] NetLabel: domain hash size = 128 [ 0.493406] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO [ 0.493946] NetLabel: unlabeled traffic allowed by default [ 0.495153] PCI: Using ACPI for IRQ routing [ 0.526295] Expanded resource Reserved due to conflict with PCI Bus 0000:00 [ 0.527023] hpet0: at MMIO 0xfed00000, IRQs 2, 8, 0, 0, 0, 0, 0, 0 [ 0.527569] hpet0: 8 comparators, 64-bit 19.200000 MHz counter [ 0.530144] clocksource: Switched to clocksource tsc-early [ 0.950273] VFS: Disk quotas dquot_6.6.0 [ 0.950670] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 0.951651] pnp: PnP ACPI init [ 0.952760] system 00:00: [io 0x0900-0x09fe] has been reserved [ 0.953566] system 00:01: [io 0x0200] has been reserved [ 0.954059] system 00:01: [io 0x0204] has been reserved [ 0.954519] system 00:01: [io 0x0800-0x087f] has been reserved [ 0.955048] system 00:01: [io 0x0880-0x08ff] has been reserved [ 0.957945] pnp: PnP ACPI: found 3 devices [ 0.973561] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns [ 0.974436] NET: Registered protocol family 2 [ 0.975014] IP idents hash table entries: 65536 (order: 7, 524288 bytes, linear) [ 0.977151] tcp_listen_portaddr_hash hash table entries: 2048 (order: 5, 163840 bytes, linear) [ 0.978133] TCP established hash table entries: 32768 (order: 6, 262144 bytes, linear) [ 0.979061] TCP bind hash table entries: 32768 (order: 9, 2359296 bytes, linear) [ 0.981629] TCP: Hash tables configured (established 32768 bind 32768) [ 0.982722] MPTCP token hash table entries: 4096 (order: 6, 360448 bytes, linear) [ 0.983685] UDP hash table entries: 2048 (order: 6, 327680 bytes, linear) [ 0.984548] UDP-Lite hash table entries: 2048 (order: 6, 327680 bytes, linear) [ 0.985628] NET: Registered protocol family 1 [ 0.986841] RPC: Registered named UNIX socket transport module. [ 0.987407] RPC: Registered udp transport module. [ 0.987818] RPC: Registered tcp transport module. [ 0.988230] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 0.989352] NET: Registered protocol family 44 [ 0.989767] pci 0000:00:14.0: PCI bridge to [bus 01] [ 0.990232] pci 0000:00:14.0: bridge window [mem 0xc2a00000-0xc2afffff] [ 0.990817] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7 window] [ 0.991351] pci_bus 0000:00: resource 5 [io 0x1000-0xffff window] [ 0.991878] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window] [ 0.992537] pci_bus 0000:00: resource 7 [mem 0x7b800000-0x7fffffff window] [ 0.993137] pci_bus 0000:00: resource 8 [mem 0x80000000-0xe0000000 window] [ 0.993719] pci_bus 0000:01: resource 1 [mem 0xc2a00000-0xc2afffff] [ 0.994515] pci 0000:00:02.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff] [ 0.997865] PCI: CLS 64 bytes, default 64 [ 0.998648] Unpacking initramfs... [ 1.213865] Freeing initrd memory: 8124K [ 1.214261] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) [ 1.214812] software IO TLB: mapped [mem 0x00000000769fd000-0x000000007a9fd000] (64MB) [ 1.215810] RAPL PMU: API unit is 2^-32 Joules, 4 fixed counters, 655360 ms ovfl timer [ 1.216511] RAPL PMU: hw unit of domain pp0-core 2^-14 Joules [ 1.216996] RAPL PMU: hw unit of domain package 2^-14 Joules [ 1.217573] RAPL PMU: hw unit of domain dram 2^-14 Joules [ 1.218043] RAPL PMU: hw unit of domain pp1-gpu 2^-14 Joules [ 1.219758] kvm: already loaded the other module [ 1.220193] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0xfc66f4fc7c, max_idle_ns: 440795224246 ns [ 1.221102] clocksource: Switched to clocksource tsc [ 1.221618] platform rtc_cmos: registered platform RTC device (no PNP device found) [ 1.224798] check: Scanning for low memory corruption every 60 seconds [ 1.228021] Initialise system trusted keyrings [ 1.228718] workingset: timestamp_bits=56 max_order=20 bucket_order=0 [ 1.247720] NFS: Registering the id_resolver key type [ 1.248224] Key type id_resolver registered [ 1.248616] Key type id_legacy registered [ 1.260168] Key type asymmetric registered [ 1.260553] Asymmetric key parser 'x509' registered [ 1.261058] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 249) [ 1.261695] io scheduler mq-deadline registered [ 1.262113] io scheduler kyber registered [ 1.262706] test_firmware: interface ready [ 1.263927] pcieport 0000:00:14.0: PME: Signaling with IRQ 120 [ 1.265698] ACPI: AC Adapter [AC] (on-line) [ 1.266421] input: Lid Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:14/PNP0C09:00/PNP0C0D:00/input/input0 [ 1.268000] ACPI: Lid Switch [LID0] [ 1.268538] input: Power Button as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0C:00/input/input1 [ 1.269411] ACPI: Power Button [PWRB] [ 1.269928] input: Sleep Button as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0E:00/input/input2 [ 1.270840] ACPI: Sleep Button [SLP] [ 1.271397] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input3 [ 1.272220] ACPI: Power Button [PWRF] [ 1.272778] ACPI: \_PR_.CP00: Found 3 idle states [ 1.273886] ACPI: \_PR_.CP01: Found 3 idle states [ 1.274773] ACPI: \_PR_.CP02: Found 3 idle states [ 1.275653] ACPI: \_PR_.CP03: Found 3 idle states [ 1.277598] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 1.280744] Non-volatile memory driver v1.3 [ 1.280869] battery: ACPI: Battery Slot [BAT0] (battery present) [ 1.281301] Linux agpgart interface v0.103 [ 1.285192] i915 0000:00:02.0: vgaarb: deactivate vga console [ 1.339308] i915 0000:00:02.0: Invalid PCI ROM header signature: expecting 0xaa55, got 0xe5bb [ 1.340072] i915 0000:00:02.0: [drm] Failed to find VBIOS tables (VBT) [ 1.340755] i915 0000:00:02.0: vgaarb: changed VGA decodes: olddecodes=io+mem,decodes=io+mem:owns=io+mem [ 1.342094] i915 0000:00:02.0: Direct firmware load for i915/bxt_dmc_ver1_07.bin failed with error -2 [ 1.342954] i915 0000:00:02.0: [drm] Failed to load DMC firmware i915/bxt_dmc_ver1_07.bin. Disabling runtime power management. [ 1.343931] i915 0000:00:02.0: [drm] DMC firmware homepage: https://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git/tree/i915 [ 1.390355] [drm] Initialized i915 1.6.0 20200917 for 0000:00:02.0 on minor 0 [ 1.393765] [drm] Initialized vgem 1.0.0 20120112 for vgem on minor 1 [ 1.410067] loop: module loaded [ 1.411073] lkdtm: No crash points registered, enable through debugfs [ 1.463165] dw-apb-uart.6: ttyS0 at MMIO 0xc2b2d000 (irq = 4, base_baud = 115200) is a 16550A [ 1.466815] dw-apb-uart.7: ttyS1 at MMIO 0xc2b2f000 (irq = 5, base_baud = 115200) is a 16550A [ 1.469979] printk: console [ttyS2] disabled [ 1.470684] dw-apb-uart.8: ttyS2 at MMIO 0xde000000 (irq = 6, base_baud = 114825) is a 16550A [ 4.330205] printk: console [ttyS2] enabled [ 4.330234] fbcon: i915drmfb (fb0) is primary device [ 4.332627] pxa2xx-spi pxa2xx-spi.9: no DMA channels available, using PIO [ 4.341162] e100: Intel(R) PRO/100 Network Driver [ 4.341166] e100: Copyright(c) 1999-2006 Intel Corporation [ 4.341221] e1000: Intel(R) PRO/1000 Network Driver [ 4.341223] e1000: Copyright (c) 1999-2006 Intel Corporation. [ 4.341291] e1000e: Intel(R) PRO/1000 Network Driver [ 4.341293] e1000e: Copyright(c) 1999 - 2015 Intel Corporation. [ 4.341364] sky2: driver version 1.30 [ 4.341639] usbcore: registered new interface driver r8152 [ 4.342132] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver [ 4.342157] ehci-pci: EHCI PCI platform driver [ 4.342223] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver [ 4.342238] ohci-pci: OHCI PCI platform driver [ 4.342291] uhci_hcd: USB Universal Host Controller Interface driver [ 4.343798] xhci_hcd 0000:00:15.0: xHCI Host Controller [ 4.344577] xhci_hcd 0000:00:15.0: new USB bus registered, assigned bus number 1 [ 4.345810] xhci_hcd 0000:00:15.0: hcc params 0x200077c1 hci version 0x100 quirks 0x0000000081109810 [ 4.345857] xhci_hcd 0000:00:15.0: cache line size of 64 is not supported [ 4.347377] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.10 [ 4.347394] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 4.347397] usb usb1: Product: xHCI Host Controller [ 4.347400] usb usb1: Manufacturer: Linux 5.10.131-cip13 xhci-hcd [ 4.347402] usb usb1: SerialNumber: 0000:00:15.0 [ 4.348657] hub 1-0:1.0: USB hub found [ 4.348763] hub 1-0:1.0: 8 ports detected [ 4.350680] xhci_hcd 0000:00:15.0: xHCI Host Controller [ 4.351172] xhci_hcd 0000:00:15.0: new USB bus registered, assigned bus number 2 [ 4.351186] xhci_hcd 0000:00:15.0: Host supports USB 3.0 SuperSpeed [ 4.351496] usb usb2: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.10 [ 4.351504] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 4.351507] usb usb2: Product: xHCI Host Controller [ 4.351510] usb usb2: Manufacturer: Linux 5.10.131-cip13 xhci-hcd [ 4.351513] usb usb2: SerialNumber: 0000:00:15.0 [ 4.352418] hub 2-0:1.0: USB hub found [ 4.352493] hub 2-0:1.0: 7 ports detected [ 4.354125] usbcore: registered new interface driver usblp [ 4.354183] usbcore: registered new interface driver usb-storage [ 4.354558] udc-core: couldn't find an available UDC - added [g_ether] to list of pending drivers [ 4.354664] i8042: PNP: PS/2 Controller [PNP0303:PS2K] at 0x60,0x64 irq 1 [ 4.354667] i8042: PNP: PS/2 appears to have AUX port disabled, if this is incorrect please boot with i8042.nopnp [ 4.355257] i8042: Warning: Keylock active [ 4.355504] serio: i8042 KBD port at 0x60,0x64 irq 1 [ 4.357570] rtc_cmos rtc_cmos: RTC can wake from S4 [ 4.358354] Console: switching to colour frame buffer device 240x67 [ 4.359512] rtc_cmos rtc_cmos: registered as rtc0 [ 4.359915] input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input4 [ 4.360368] rtc_cmos rtc_cmos: alarms up to one month, 114 bytes nvram, hpet irqs [ 4.361705] i801_smbus 0000:00:1f.1: can't derive routing for PCI INT A [ 4.361708] i801_smbus 0000:00:1f.1: PCI INT A: no GSI [ 4.361741] i801_smbus 0000:00:1f.1: SPD Write Disable is set [ 4.361803] genirq: Flags mismatch irq 0. 00000080 (i801_smbus) vs. 00015a00 (timer) [ 4.361824] i801_smbus 0000:00:1f.1: Failed to allocate irq 0: -16 [ 4.361827] i801_smbus 0000:00:1f.1: SMBus using polling [ 4.362899] device-mapper: ioctl: 4.43.0-ioctl (2020-10-01) initialised: dm-devel@redhat.com [ 4.362954] intel_pstate: Intel P-state driver initializing [ 4.366133] sdhci: Secure Digital Host Controller Interface driver [ 4.366140] sdhci: Copyright(c) Pierre Ossman [ 4.366354] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) [ 4.374615] sdhci-pci 0000:00:1c.0: SDHCI controller found [8086:5acc] (rev b) [ 4.381068] mmc0: SDHCI controller on PCI [0000:00:1c.0] using ADMA 64-bit [ 4.382107] hid: raw HID events driver (C) Jiri Kosina [ 4.384981] usbcore: registered new interface driver usbhid [ 4.384988] usbhid: USB HID core driver [ 4.387332] input: Tablet Mode Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:14/PNP0C09:00/GOOG0006:00/input/input5 [ 4.394844] cros_ec_lpcs GOOG0004:00: Chrome EC device registered [ 4.398661] i915 0000:00:02.0: [drm] fb0: i915drmfb frame buffer device [ 4.409666] snd_hda_intel 0000:00:0e.0: DSP detected with PCI class/subclass/prog-if info 0x040100 [ 4.597395] usb 1-5: new high-speed USB device number 2 using xhci_hcd [ 4.604761] snd_hda_intel 0000:00:0e.0: bound 0000:00:02.0 (ops i915_audio_component_bind_ops) [ 4.612285] ipip: IPv4 and MPLS over IPv4 tunneling driver [ 4.634272] snd_hda_intel 0000:00:0e.0: Cannot probe codecs, giving up [ 4.639434] gre: GRE over IPv4 demultiplexor driver [ 4.699816] mmc0: new HS400 MMC card at address 0001 [ 4.704575] ip_gre: GRE over IPv4 tunneling driver [ 4.709087] IPv4 over IPsec tunneling driver [ 4.716208] mmcblk0: mmc0:0001 TA2964 58.3 GiB [ 4.722499] Initializing XFRM netlink socket [ 4.726911] mmcblk0boot0: mmc0:0001 TA2964 partition 1 4.00 MiB [ 4.735872] NET: Registered protocol family 10 [ 4.742138] mmcblk0boot1: mmc0:0001 TA2964 partition 2 4.00 MiB [ 4.753004] Segment Routing with IPv6 [ 4.755588] mmcblk0rpmb: mmc0:0001 TA2964 partition 3 4.00 MiB, chardev (246:0) [ 4.767718] ip6_gre: GRE over IPv6 tunneling driver [ 4.802997] GPT:partition_entry_array_crc32 values don't match: 0x517f99f8 != 0x839741b6 [ 4.808743] usb 1-5: New USB device found, idVendor=0408, idProduct=3090, bcdDevice= 0.04 [ 4.808906] NET: Registered protocol family 17 [ 4.809757] 8021q: 802.1Q VLAN Support v1.8 [ 4.809934] Key type dns_resolver registered [ 4.812355] GPT:Primary header thinks Alt. header is not at the end of the disk. [ 4.812366] GPT:119999999 != 122290175 [ 4.812372] GPT:Alternate GPT header not at the end of the disk. [ 4.812380] GPT:119999999 != 122290175 [ 4.812387] GPT: Use GNU Parted to correct GPT errors. [ 4.812441] mmcblk0: p1 p2 p3 p4 p5 p6 p7 p8 p9 p10 p11 p12 [ 4.818723] usb 1-5: New USB device strings: Mfr=3, Product=1, SerialNumber=2 [ 4.818735] usb 1-5: Product: USB2.0 HD UVC WebCam [ 5.039779] usb 1-5: Manufacturer: Quanta [ 5.044300] usb 1-5: SerialNumber: 0x0001 [ 5.052835] microcode: sig=0x506c9, pf=0x1, revision=0x2c [ 5.059253] microcode: Microcode Update Driver: v2.2. [ 5.059281] IPI shorthand broadcast: enabled [ 5.070086] sched_clock: Marking stable (4988728309, 81313374)->(5076252549, -6210866) [ 5.080359] registered taskstats version 1 [ 5.085011] Loading compiled-in X.509 certificates [ 5.103249] usb 2-5: new SuperSpeed Gen 1 USB device number 2 using xhci_hcd [ 5.108157] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) [ 5.125917] usb 2-5: New USB device found, idVendor=0bda, idProduct=8153, bcdDevice=31.00 [ 5.130374] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) [ 5.135099] usb 2-5: New USB device strings: Mfr=1, Product=2, SerialNumber=6 [ 5.135110] usb 2-5: Product: USB 10/100/1000 LAN [ 5.135121] usb 2-5: Manufacturer: Realtek [ 5.153314] PM: Magic number: 2:106:137 [ 5.156483] usb 2-5: SerialNumber: 001000001 [ 5.165726] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) [ 5.179020] printk: console [netcon0] enabled [ 5.183977] netconsole: network logging started [ 5.239150] usb 1-6: new full-speed USB device number 3 using xhci_hcd [ 5.376240] usb 1-6: New USB device found, idVendor=8087, idProduct=0a2a, bcdDevice= 0.03 [ 5.385484] usb 1-6: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 5.401341] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) [ 5.492170] usb 2-5: reset SuperSpeed Gen 1 USB device number 2 using xhci_hcd [ 5.521451] r8152 2-5:1.0: Direct firmware load for rtl_nic/rtl8153b-2.fw failed with error -2 [ 5.531401] r8152 2-5:1.0: unable to load firmware patch rtl_nic/rtl8153b-2.fw (-2) [ 5.575644] r8152 2-5:1.0 eth0: v1.11.11 [ 5.581593] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) [ 5.583093] IP-Config: Failed to open gretap0 [ 5.594829] IP-Config: Failed to open erspan0 [ 5.618101] Sending DHCP requests . [ 7.268973] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready [ 7.280653] r8152 2-5:1.0 eth0: carrier on [ 8.160350] ., OK [ 8.170725] IP-Config: Got DHCP answer from 192.168.201.1, my address is 192.168.201.12 [ 8.179712] IP-Config: Complete: [ 8.183368] device=eth0, hwaddr=00:e0:4c:78:86:ca, ipaddr=192.168.201.12, mask=255.255.255.0, gw=192.168.201.1 [ 8.195072] host=asus-C523NA-A20057-coral-cbg-1, domain=lava-rack, nis-domain=(none) [ 8.204235] bootserver=192.168.201.1, rootserver=192.168.201.1, rootpath= [ 8.204246] nameserver0=192.168.201.1 [ 8.217806] cfg80211: Loading compiled-in X.509 certificates for regulatory database [ 8.242156] modprobe (101) used greatest stack depth: 14120 bytes left [ 8.259493] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7' [ 8.267320] ALSA device list: [ 8.271240] No soundcards found. [ 8.271730] platform regulatory.0: Direct firmware load for regulatory.db failed with error -2 [ 8.285215] cfg80211: failed to load regulatory.db [ 8.292456] dw-apb-uart dw-apb-uart.8: forbid DMA for kernel console [ 8.317197] Freeing unused kernel image (initmem) memory: 1692K [ 8.332726] Write protecting the kernel read-only data: 26624k [ 8.345123] Freeing unused kernel image (text/rodata gap) memory: 2028K [ 8.353699] Freeing unused kernel image (rodata/data gap) memory: 116K [ 8.361348] Run /init as init process Loading, please wait... Starting version 247.3-7 [ 8.465361] systemd-udevd (123) used greatest stack depth: 13800 bytes left [ 8.775160] udevadm (125) used greatest stack depth: 13576 bytes left [ 9.666758] cros-usbpd-notify-acpi GOOG0003:00: Couldn't get Chrome EC device pointer. [ 9.676639] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) [ 9.789872] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) [ 10.022766] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) [ 10.041597] 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: gretap0 hardware address 00:00:00:00:00:00 mtu 1462 DHCP SIOCSIFFLAGS: Cannot assign requested address IP-Config: eth0 hardware address 00:e0:4c:78:86:ca mtu 1500 DHCP IP-Config: erspan0 hardware address 00:00:00:00:00:00 mtu 1450 DHCP SIOCSIFFLAGS: Cannot assign requested address IP-Config: eth0 complete (dhcp from 192.168.201.1): address: 192.168.201.12 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-1 domain : lava-rack rootserver: 192.168.201.1 rootpath: filename : [ 10.284612] nfsmount (159) used greatest stack depth: 12680 bytes left done. Begin: Running /scripts/nfs-bottom ... done. Begin: Running /scripts/init-bottom ... done. SELinux: Could not open policy file <= /etc/selinux/targeted/policy/policy.33: No such file or directory [ 12.030640] systemd[1]: systemd 247.3-7 running in system mode. (+PAM +AUDIT +SELINUX +IMA +APPARMOR +SMACK +SYSVINIT +UTMP +LIBCRYPTSETUP +GCRYPT +GNUTLS +ACL +XZ +LZ4 +ZSTD +SECCOMP +BLKID +ELFUTILS +KMOD +IDN2 -IDN +PCRE2 default-hierarchy=unified) [ 12.069975] systemd[1]: Detected architecture x86-64. Welcome to [1mDebian GNU/Linux 11 (bullseye)[0m! [ 12.114908] systemd[1]: Set hostname to . [ 13.610282] systemd[1]: Queued start job for default target Graphical Interface. [ 13.628516] systemd[1]: Created slice system-getty.slice. [[0;32m OK [0m] Created slice [0;1;39msystem-getty.slice[0m. [ 13.645402] systemd[1]: Created slice system-modprobe.slice. [[0;32m OK [0m] Created slice [0;1;39msystem-modprobe.slice[0m. [ 13.663951] systemd[1]: Created slice system-serial\x2dgetty.slice. [[0;32m OK [0m] Created slice [0;1;39msystem-serial\x2dgetty.slice[0m. [ 13.682533] systemd[1]: Created slice User and Session Slice. [[0;32m OK [0m] Created slice [0;1;39mUser and Session Slice[0m. [ 13.701158] 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. [ 13.723708] 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. [ 13.746233] 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. [ 13.766921] systemd[1]: Reached target Local Encrypted Volumes. [[0;32m OK [0m] Reached target [0;1;39mLocal Encrypted Volumes[0m. [ 13.783876] systemd[1]: Reached target Paths. [[0;32m OK [0m] Reached target [0;1;39mPaths[0m. [ 13.797760] systemd[1]: Reached target Remote File Systems. [[0;32m OK [0m] Reached target [0;1;39mRemote File Systems[0m. [ 13.813764] systemd[1]: Reached target Slices. [[0;32m OK [0m] Reached target [0;1;39mSlices[0m. [ 13.827776] systemd[1]: Reached target Swap. [[0;32m OK [0m] Reached target [0;1;39mSwap[0m. [ 13.841107] systemd[1]: Listening on initctl Compatibility Named Pipe. [[0;32m OK [0m] Listening on [0;1;39minitctl Compatibility Named Pipe[0m. [ 13.861788] systemd[1]: Listening on Journal Audit Socket. [[0;32m OK [0m] Listening on [0;1;39mJournal Audit Socket[0m. [ 13.880740] systemd[1]: Listening on Journal Socket (/dev/log). [[0;32m OK [0m] Listening on [0;1;39mJournal Socket (/dev/log)[0m. [ 13.899901] systemd[1]: Listening on Journal Socket. [[0;32m OK [0m] Listening on [0;1;39mJournal Socket[0m. [ 13.915560] systemd[1]: Listening on Network Service Netlink Socket. [[0;32m OK [0m] Listening on [0;1;39mNetwork Service Netlink Socket[0m. [ 13.937466] systemd[1]: Listening on udev Control Socket. [[0;32m OK [0m] Listening on [0;1;39mudev Control Socket[0m. [ 13.955418] systemd[1]: Listening on udev Kernel Socket. [[0;32m OK [0m] Listening on [0;1;39mudev Kernel Socket[0m. [ 13.980333] systemd[1]: Mounting Huge Pages File System... Mounting [0;1;39mHuge Pages File System[0m... [ 14.005289] systemd[1]: Mounting POSIX Message Queue File System... Mounting [0;1;39mPOSIX Message Queue File System[0m... [ 14.028623] systemd[1]: Mounting Kernel Debug File System... Mounting [0;1;39mKernel Debug File System[0m... [ 14.057144] systemd[1]: Mounting Kernel Trace File System... Mounting [0;1;39mKernel Trace File System[0m... [ 14.083296] systemd[1]: Starting Create list of static device nodes for the current kernel... Starting [0;1;39mCreate list of st…odes for the current kernel[0m... [ 14.114303] systemd[1]: Starting Load Kernel Module configfs... Starting [0;1;39mLoad Kernel Module configfs[0m... [ 14.142281] systemd[1]: Starting Load Kernel Module drm... Starting [0;1;39mLoad Kernel Module drm[0m... [ 14.168414] systemd[1]: Starting Load Kernel Module fuse... [ 14.174598] mount (186) used greatest stack depth: 12528 bytes left Starting [0;1;39mLoad Kernel Module fuse[0m... [ 14.202321] systemd[1]: Condition check resulted in Set Up Additional Binary Formats being skipped. [ 14.233626] systemd[1]: Starting Journal Service... Starting [0;1;39mJournal Service[0m... [ 14.277233] fuse: init (API version 7.32) [ 14.282879] systemd[1]: Starting Load Kernel Modules... Starting [0;1;39mLoad Kernel Modules[0m... [ 14.306363] systemd[1]: Starting Remount Root and Kernel File Systems... Starting [0;1;39mRemount Root and Kernel File Systems[0m... [ 14.335576] systemd[1]: Starting Coldplug All udev Devices... Starting [0;1;39mColdplug All udev Devices[0m... [ 14.385995] systemd[1]: Mounted Huge Pages File System. [[0;32m OK [0m] Mounted [0;1;39mHuge Pages File System[0m. [ 14.403825] systemd[1]: Mounted POSIX Message Queue File System. [[0;32m OK [0m] Mounted [0;1;39mPOSIX Message Queue File System[0m. [ 14.422530] systemd[1]: Mounted Kernel Debug File System. [[0;32m OK [0m] Mounted [0;1;39mKernel Debug File System[0m. [ 14.448857] systemd[1]: Mounted Kernel Trace File System. [[0;32m OK [0m] Mounted [0;1;39mKernel Trace File System[0m. [ 14.481245] 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. [ 14.507209] systemd[1]: modprobe@configfs.service: Succeeded. [ 14.516622] systemd[1]: Finished Load Kernel Module configfs. [[0;32m OK [0m] Finished [0;1;39mLoad Kernel Module configfs[0m. [ 14.537602] systemd[1]: modprobe@drm.service: Succeeded. [ 14.546980] systemd[1]: Finished Load Kernel Module drm. [[0;32m OK [0m] Finished [0;1;39mLoad Kernel Module drm[0m. [ 14.566638] systemd[1]: modprobe@fuse.service: Succeeded. [ 14.576398] systemd[1]: Finished Load Kernel Module fuse. [[0;32m OK [0m] Finished [0;1;39mLoad Kernel Module fuse[0m. [ 14.597196] systemd[1]: Finished Load Kernel Modules. [[0;32m OK [0m] Finished [0;1;39mLoad Kernel Modules[0m. [ 14.616929] systemd[1]: Finished Remount Root and Kernel File Systems. [[0;32m OK [0m] Finished [0;1;39mRemount Root and Kernel File Systems[0m. [ 14.644293] systemd[1]: Mounting FUSE Control File System... Mounting [0;1;39mFUSE Control File System[0m... [ 14.668211] systemd[1]: Mounting Kernel Configuration File System... Mounting [0;1;39mKernel Configuration File System[0m... [ 14.694599] systemd[1]: Condition check resulted in Rebuild Hardware Database being skipped. [ 14.705908] systemd[1]: Condition check resulted in Platform Persistent Storage Archival being skipped. [ 14.726493] systemd[1]: Starting Load/Save Random Seed... Starting [0;1;39mLoad/Save Random Seed[0m... [ 14.750744] systemd[1]: Starting Apply Kernel Variables... Starting [0;1;39mApply Kernel Variables[0m... [ 14.782198] systemd[1]: Starting Create System Users... Starting [0;1;39mCreate System Users[0m... [ 14.806718] systemd[1]: Mounted FUSE Control File System. [[0;32m OK [0m] Mounted [0;1;39mFUSE Control File System[0m. [ 14.831424] systemd[1]: Mounted Kernel Configuration File System. [[0;32m OK [0m] Mounted [0;1;39mKernel Configuration File System[0m. [ 14.865684] systemd[1]: Finished Load/Save Random Seed. [[0;32m OK [0m] Finished [0;1;39mLoad/Save Random Seed[0m. [ 14.882907] systemd[1]: Condition check resulted in First Boot Complete being skipped. [ 14.912352] systemd[1]: Finished Apply Kernel Variables. [[0;32m OK [0m] Finished [0;1;39mApply Kernel Variables[0m. [ 15.069682] systemd[1]: Finished Create System Users. [[0;32m OK [0m] Finished [0;1;39mCreate System Users[0m. [ 15.087149] systemd[1]: Started Journal Service. [[0;32m OK [0m] Started [0;1;39mJournal Service[0m. Starting [0;1;39mFlush Journal to Persistent Storage[0m... Starting [0;1;39mCreate Static Device Nodes in /dev[0m... [ 15.218621] systemd-journald[197]: Received client request to flush runtime journal. [[0;32m OK [0m] Finished [0;1;39mCreate Static Device Nodes in /dev[0m. [[0;32m OK [0m] Reached target [0;1;39mLocal File Systems (Pre)[0m. [[0;32m OK [0m] Reached target [0;1;39mLocal File Systems[0m. Starting [0;1;39mRule-based Manage…for Device Events and Files[0m... [[0;32m OK [0m] Finished [0;1;39mColdplug All udev Devices[0m. [[0;32m OK [0m] Finished [0;1;39mFlush Journal to Persistent Storage[0m. Starting [0;1;39mCreate Volatile Files and Directories[0m... [[0;32m OK [0m] Started [0;1;39mRule-based Manager for Device Events and Files[0m. Starting [0;1;39mNetwork Service[0m... [[0;32m OK [0m] 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] Started [0;1;39mNetwork Service[0m. [[0;32m OK [0m] Finished [0;1;39mCreate Volatile Files and Directories[0m. [[0;32m OK [0m] Listening on [0;1;39mLoad/Save RF …itch Status /dev/rfkill Watch[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 5.10.131-cip13 #1 SMP Wed Aug 3 16:43:37 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/6963057/extract-nfsrootfs-e69nxw4x' export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/6963057/extract-nfsrootfs-e69nxw4x' / # 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-6963057/environment . /lava-6963057/environment / # /lava-6963057/bin/lava-test-runner /lava-6963057/0 /lava-6963057/bin/lava-test-runner /lava-6963057/0 + export TESTRUN_ID=0_timesync-off + TESTRUN_ID=0_timesync-off + cd /lava-6963057/0/tests/0_timesync-off ++ cat uuid + UUID=6963057_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-6963057/0/tests/1_kselftest-lkdtm ++ cat uuid + UUID=6963057_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/v5.10.131-cip13-24-ga6f4ea41fe167/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-6963057/0/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. --2022-08-03 17:07:01-- http://storage.kernelci.org/cip/linux-5.10.y-cip/v5.10.131-cip13-24-ga6f4ea41fe167/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: 3527864 (3.4M) [application/octet-stream] Saving to: 'kselftest.tar.xz' kselftest.tar.xz 0%[ ] 0 --.-KB/s kselftest.tar.xz 1%[ ] 50.15K 177KB/s kselftest.tar.xz 6%[> ] 219.84K 382KB/s kselftest.tar.xz 25%[====> ] 883.03K 873KB/s kselftest.tar.xz 73%[=============> ] 2.47M 1.90MB/s kselftest.tar.xz 100%[===================>] 3.36M 2.29MB/s in 1.5s 2022-08-03 17:07:03 (2.29 MB/s) - 'kselftest.tar.xz' saved [3527864/3527864] 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 ======================================== [ 64.694334] 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 [ 65.325873] lkdtm: Performing direct entry BUG [ 65.331189] ------------[ cut here ]------------ [ 65.336484] kernel BUG at drivers/misc/lkdtm/bugs.c:76! [ 65.342422] invalid opcode: 0000 [#1] SMP PTI [ 65.347293] CPU: 0 PID: 722 Comm: cat Not tainted 5.10.131-cip13 #1 [ 65.354281] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 65.360895] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 65.365271] Code: 59 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 2b 71 02 [ 65.386252] RSP: 0018:ffffba7e812f7e60 EFLAGS: 00010286 [ 65.392091] RAX: ffffffff91cb1930 RBX: 0000000000000001 RCX: 0000000000000000 [ 65.400065] RDX: 0000000000000000 RSI: ffffa0d6fbc1bf70 RDI: ffffffff928d9a70 [ 65.408038] RBP: ffffffff92d23350 R08: 0000000000000001 R09: 0000000000000001 [ 65.416011] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 65.423986] R13: ffffba7e812f7f10 R14: ffffba7e812f7f10 R15: ffffa0d6839a0000 [ 65.431958] FS: 00007fa5b839f580(0000) GS:ffffa0d6fbc00000(0000) knlGS:0000000000000000 [ 65.441003] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 65.447424] CR2: 00007fa5b81b8000 CR3: 0000000105962000 CR4: 00000000003506f0 [ 65.455398] Call Trace: [ 65.458138] direct_entry.cold+0x2c/0x38 [ 65.462530] full_proxy_write+0x56/0x80 [ 65.466822] vfs_write+0xea/0x390 [ 65.470527] ksys_write+0x68/0xe0 [ 65.474235] do_syscall_64+0x33/0x40 [ 65.478232] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 65.483881] RIP: 0033:0x7fa5b82c7f33 [ 65.487878] 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 [ 65.508857] RSP: 002b:00007fff51f9ee98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 65.517323] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fa5b82c7f33 [ 65.525297] RDX: 0000000000000004 RSI: 00007fa5b81b8000 RDI: 0000000000000001 [ 65.533269] RBP: 00007fa5b81b8000 R08: 00007fa5b81b7010 R09: 0000000000000000 [ 65.541239] R10: 00007fa5b83c21c0 R11: 0000000000000246 R12: 0000000000000001 [ 65.549212] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 65.557187] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 65.573216] ---[ end trace 3fb4adc707f7a835 ]--- [ 65.578406] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 65.582819] Code: 59 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 2b 71 02 [ 65.603828] RSP: 0018:ffffba7e812f7e60 EFLAGS: 00010286 [ 65.609701] RAX: ffffffff91cb1930 RBX: 0000000000000001 RCX: 0000000000000000 [ 65.617697] RDX: 0000000000000000 RSI: ffffa0d6fbc1bf70 RDI: ffffffff928d9a70 [ 65.625682] RBP: ffffffff92d23350 R08: 0000000000000001 R09: 0000000000000001 [ 65.633674] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 65.641674] R13: ffffba7e812f7f10 R14: ffffba7e812f7f10 R15: ffffa0d6839a0000 [ 65.649673] FS: 00007fa5b839f580(0000) GS:ffffa0d6fbc00000(0000) knlGS:0000000000000000 [ 65.658741] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 65.665182] CR2: 00007fa5b81b8000 CR3: 0000000105962000 CR4: 00000000003506f0 # Segmentation fault # [ 65.325873] lkdtm: Performing direct entry BUG # [ 65.331189] ------------[ cut here ]------------ # [ 65.336484] kernel BUG at drivers/misc/lkdtm/bugs.c:76! # [ 65.342422] invalid opcode: 0000 [#1] SMP PTI # [ 65.347293] CPU: 0 PID: 722 Comm: cat Not tainted 5.10.131-cip13 #1 # [ 65.354281] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 65.360895] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 65.365271] Code: 59 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 2b 71 02 # [ 65.386252] RSP: 0018:ffffba7e812f7e60 EFLAGS: 00010286 # [ 65.392091] RAX: ffffffff91cb1930 RBX: 0000000000000001 RCX: 0000000000000000 # [ 65.400065] RDX: 0000000000000000 RSI: ffffa0d6fbc1bf70 RDI: ffffffff928d9a70 # [ 65.408038] RBP: ffffffff92d23350 R08: 0000000000000001 R09: 0000000000000001 # [ 65.416011] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 65.423986] R13: ffffba7e812f7f10 R14: ffffba7e812f7f10 R15: ffffa0d6839a0000 # [ 65.431958] FS: 00007fa5b839f580(0000) GS:ffffa0d6fbc00000(0000) knlGS:0000000000000000 # [ 65.441003] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 65.447424] CR2: 00007fa5b81b8000 CR3: 0000000105962000 CR4: 00000000003506f0 # [ 65.455398] Call Trace: # [ 65.458138] direct_entry.cold+0x2c/0x38 # [ 65.462530] full_proxy_write+0x56/0x80 # [ 65.466822] vfs_write+0xea/0x390 # [ 65.470527] ksys_write+0x68/0xe0 # [ 65.474235] do_syscall_64+0x33/0x40 # [ 65.478232] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 65.483881] RIP: 0033:0x7fa5b82c7f33 # [ 65.487878] 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 # [ 65.508857] RSP: 002b:00007fff51f9ee98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 65.517323] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fa5b82c7f33 # [ 65.525297] RDX: 0000000000000004 RSI: 00007fa5b81b8000 RDI: 0000000000000001 # [ 65.533269] RBP: 00007fa5b81b8000 R08: 00007fa5b81b7010 R09: 0000000000000000[ 65.925593] lkdtm: Performing direct entry WARNING # [ 65.541239] R10: 00007fa5b83c21c0 R11: 0000000000000246 R[ 65.933896] ------------[ cut here ]------------ [ 65.945315] WARNING: CPU: 1 PID: 758 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0xf/0x20 12: 0000000000000001 # [ 65.549212] R13: 0000000000000001 R14[ 65.954679] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 65.976861] CPU: 1 PID: 758 Comm: cat Tainted: G D 5.10.131-cip13 #1 [ 65.985430] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 65.992082] RIP: 0010:lkdtm_WARNING+0xf/0x20 [ 65.996876] Code: ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 0f 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 2b 71 02 01 75 01 c3 <0f> 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 0f 1f 44 00 00 [ 66.017913] RSP: 0018:ffffba7e8132fe60 EFLAGS: 00010202 [ 66.023803] RAX: ffffffff91cb1940 RBX: 0000000000000002 RCX: 0000000000000000 [ 66.031798] RDX: 0000000000000000 RSI: ffffa0d6fbc9bf70 RDI: ffffffff928d9a80 [ 66.039792] RBP: ffffffff92cc7e4f R08: 0000000000000000 R09: 0000000000000000 [ 66.047784] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000008 [ 66.055777] R13: ffffba7e8132ff10 R14: ffffba7e8132ff10 R15: ffffa0d685a20000 [ 66.063775] FS: 00007f0e57148580(0000) GS:ffffa0d6fbc80000(0000) knlGS:0000000000000000 [ 66.072838] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 : 0000000000020000 R15: 0000000000020000 # [ 65.557187] Modul[ 66.079280] CR2: 00007f0e56f61000 CR3: 0000000103c68000 CR4: 00000000003506e0 [ 66.093470] Call Trace: [ 66.096229] direct_entry.cold+0x2c/0x38 [ 66.100638] full_proxy_write+0x56/0x80 [ 66.104945] vfs_write+0xea/0x390 [ 66.108665] ksys_write+0x68/0xe0 [ 66.112398] do_syscall_64+0x33/0x40 [ 66.116416] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 66.122088] RIP: 0033:0x7f0e57070f33 [ 66.126101] 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 [ 66.147104] RSP: 002b:00007ffc796646e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 66.155587] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007f0e57070f33 [ 66.163580] RDX: 0000000000000008 RSI: 00007f0e56f61000 RDI: 0000000000000001 [ 66.171572] RBP: 00007f0e56f61000 R08: 00007f0e56f60010 R09: 0000000000000000 [ 66.179554] R10: 00007f0e5716b1c0 R11: 0000000000000246 R12: 0000000000000001 [ 66.187549] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 66.195557] irq event stamp: 0 [ 66.198994] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 66.206026] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 66.215185] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 66.224340] softirqs last disabled at (0): [<0000000000000000>] 0x0 es linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros[ 66.231363] ---[ end trace 3fb4adc707f7a836 ]--- _ec_chardev cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 65.573216] ---[ end trace 3fb4adc707f7a835 ]--- # [ 65.578406] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 65.582819] Code: 59 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 2b 71 02 # [ 65.603828] RSP: 0018:ffffba7e812f7e60 EFLAGS: 00010286 # [ 65.609701] RAX: ffffffff91cb1930 RBX: 0000000000000001 RCX: 0000000000000000 # [ 65.617697] RDX: 0000000000000000 RSI: ffffa0d6fbc1bf70 RDI: ffffffff928d9a70 # [ 65.625682] RBP: ffffffff92d23350 R08: 0000000000000001 R09: 0000000000000001 # [ 65.633674] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 65.641674] R13: ffffba7e812f7f10 R14: ffffba7e812f7f10 R15: ffffa0d6839a0000 # [ 65.649673] FS: 00007fa5b839f580(0000) GS:ffffa0d6fbc00000(0000) knlGS:0000000000000000 # [ 65.658741] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 65.665182] CR2: 00007fa5b81b8000 CR3: 0000000105962000 CR4: 00000000003506f0 # BUG: saw 'kernel BUG at': ok ok 2 selftests: lkdtm: BUG.sh # selftests: lkdtm: WARNING.sh # [ 65.925593] lkdtm: Performing direct entry WARNING # [ 65.933896] ------------[ cut here ]------------ # [ 65.945315] WARNING: CPU: 1 PID: 758 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0xf/0x20 # [ 65.954679] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 65.976861] CPU: 1 PID: 758 Comm: cat Tainted: G D 5.10.131-cip13 #1 # [ 65.985430] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 65.992082] RIP: 0010:lkdtm_WARNING+0xf/0x20 # [ 65.996876] Code: ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 0f 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 2b 71 02 01 75 01 c3 <0f> 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 0f 1f 44 00 00 # [ 66.017913] RSP: 0018:ffffba7e8132fe60 EFLAGS: 00010202 # [ 66.023803] RAX: ffffffff91cb1940 RBX: 0000000000000002 RCX: 0000000000000000 # [ 66.031798] RDX: 0000000000000000 RSI: ffffa0d6fbc9bf70 RDI: ffffffff928d9a80 # [ 66.039792] RBP: ffffffff92cc7e4f R08: 0000000000000000 R09: 0000000000000000 # [ 66.047784] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000008 # [ 66.055777] R13: ffffba7e8132ff10 R14: ffffba7e8132ff10 R15: fff[ 66.480154] lkdtm: Performing direct entry WARNING_MESSAGE fa0d685a20000 # [ 66.063775] FS: 00007f0e57148580(0000) GS:f[ 66.491215] ------------[ cut here ]------------ fffa0d6fbc80000(0000) knlGS:0000000000000000 # [ 66.072838] C[ 66.502587] Warning message trigger count: 2 S: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 66.07928[ 66.513654] WARNING: CPU: 3 PID: 793 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30 0] CR2: 00007f0e56f61000 CR3: 0000000103c68000 CR4: 000000000035[ 66.530004] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 06e0 # [ 66.093470] Call Trace: # [ 66.096229] direct_ent[ 66.552209] CPU: 3 PID: 793 Comm: cat Tainted: G D W 5.10.131-cip13 #1 ry.cold+0x2c/0x38 # [ 66.100638] full_proxy_write+0x56/0x80[ 66.567199] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 66.104945] vfs_write+0xea/0x390 # [ 66.108665] ksys_[ 66.580230] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30 write+0x68/0xe0 # [ 66.112398] do_syscall_64+0x33/0x40 # [ [ 66.591671] Code: 1f 84 00 00 00 00 00 0f 1f 00 0f 1f 44 00 00 8b 05 c1 2b 71 02 48 c7 c7 b0 83 cc 92 8d 70 01 89 35 b1 2b 71 02 e8 d6 8a 64 00 <0f> 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 0f 1f 44 00 00 c7 66.116416] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 66[ 66.618851] RSP: 0018:ffffba7e813c7e60 EFLAGS: 00010286 .122088] RIP: 0033:0x7f0e57070f33 # [ 66.126101] Code: 8b 15 [ 66.630994] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 6[ 66.645117] RDX: ffffa0d6fbdac660 RSI: ffffa0d6fbd9bf70 RDI: ffffa0d6fbd9bf70 4 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d [ 66.659313] RBP: ffffffff92cc7e57 R08: 0000000000000000 R09: 0000000000000000 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [[ 66.673500] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010 66.147104] RSP: 002b:00007ffc796646e8 EFLAGS: 00000246 ORIG_R[ 66.687686] R13: ffffba7e813c7f10 R14: ffffba7e813c7f10 R15: ffffa0d684e30000 AX: 0000000000000001 # [ 66.155587] RAX: ffffffffffffffda RBX[ 66.701864] FS: 00007f7fc5fa1580(0000) GS:ffffa0d6fbd80000(0000) knlGS:0000000000000000 : 0000000000000008 RCX: 00007f0e57070f33 # [ 66.163580] RDX: [ 66.717132] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 0000000000000008 RSI: 00007f0e56f61000 RDI: 0000000000000001 # [ 66.729799] CR2: 00007f7fc5dba000 CR3: 0000000104dba000 CR4: 00000000003506e0 [ 66.171572] RBP: 00007f0e56f61000 R08: 00007f0e56f60010 R09: [ 66.743978] Call Trace: 0000000000000000 # [ 66.179554] R10: 00007f0e5716b1c0 R11: 00[ 66.752964] direct_entry.cold+0x2c/0x38 00000000000246 R12: 0000000000000001 # [ 66.187549] R13: 0000[ 66.763552] full_proxy_write+0x56/0x80 000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ [ 66.774052] vfs_write+0xea/0x390 66.195557] irq event stamp: 0 # [ 66.198994] hardirqs last e[ 66.784004] ksys_write+0x68/0xe0 nabled at (0): [<0000000000000000>] 0x0 # [ 66.206026] hardir[ 66.793906] do_syscall_64+0x33/0x40 qs last disabled at (0): [] copy_process+0x63c[ 66.804124] entry_SYSCALL_64_after_hwframe+0x44/0xa9 /0x1c80 # [ 66.215185] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 66.224340] softir[ 66.826201] 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 qs last disabled at (0): [<0000000000000000>] 0x0 # [ 66.2313[ 66.853403] RSP: 002b:00007ffe5c7344b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 63] ---[ end trace 3fb4adc707f7a836 ]--- # WARNING: saw 'WARNIN[ 66.868057] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007f7fc5ec9f33 G:': ok ok 3 selftests: lkdtm: WARNING.sh # selftests: lkdtm: [ 66.882268] RDX: 0000000000000010 RSI: 00007f7fc5dba000 RDI: 0000000000000001 WARNING_MESSAGE.sh [ 66.896476] RBP: 00007f7fc5dba000 R08: 00007f7fc5db9010 R09: 0000000000000000 [ 66.906574] R10: 00007f7fc5fc41c0 R11: 0000000000000246 R12: 0000000000000001 [ 66.914614] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 66.922867] irq event stamp: 0 [ 66.926339] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 66.933509] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 66.942726] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 66.951969] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 66.959079] ---[ end trace 3fb4adc707f7a837 ]--- # [ 66.480154] lkdtm: Performing direct entry WARNING_MESSAGE # [ 66.491215] ------------[ cut here ]------------ # [ 66.502587] Warning message trigger count: 2 # [ 66.513654] WARNING: CPU: 3 PID: 793 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 66.530004] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 66.552209] CPU: 3 PID: 793 Comm: cat Tainted: G D W 5.10.131-cip13 #1 # [ 66.567199] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 66.580230] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 66.591671] Code: 1f 84 00 00 00 00 00 0f 1f 00 0f 1f 44 00 00 8b 05 c1 2b 71 02 48 c7 c7 b0 83 cc 92 8d 70 01 89 35 b1 2b 71 02 e8 d6 8a 64 00 <0f> 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 0f 1f 44 00 00 c7 # [ 66.618851] RSP: 0018:ffffba7e813c7e60 EFLAGS: 00010286 # [ 66.630994] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 # [ 66.645117] RDX: ffffa0d6fbdac660 RSI: ffffa0d6fbd9bf70 RDI: ffffa0d6fbd9bf70 # [ 66.659313] RBP: ffffffff92cc7e57 R08: 0000000000000000 R09: 0000000000000000 # [ 66.673500] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010 # [ 66.687686] R13: ffffba7e813c7f10 R14: ffffba7e813c7f10 R15: ffffa0d684e30000 # [ 66.701864] FS: 00007f7fc5fa1580(0000) GS:ffffa0d6fbd80000(0000) knlGS:0000000000000000 # [ 66.717132] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 66.729799] CR2: 00007f7fc5dba000 CR3: 0000000104dba000 CR4: 00000000003506e0 # [ 66.743978] Call Trace: # [ 66.752964] direct_entry.cold+0x2c/0x38 # [ 66.763552] full_proxy_write+0x56/0x80 # [ 66.774052] vfs_write+0xea/0x390 # [ 66.784004] ksys_write+0x68/0xe0 # [ 66.793906] do_syscall_64+0x33/0x40 # [ 66.804124] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 66.816000] RIP: 0033:0x7f7fc5ec9f33 # [ 66.826201] 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 f[ 67.218314] lkdtm: Performing direct entry EXCEPTION [ 67.227111] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 67.234876] #PF: supervisor write access in kernel mode [ 67.240697] #PF: error_code(0x0002) - not-present page [ 67.246424] PGD 0 P4D 0 [ 67.249254] Oops: 0002 [#2] SMP PTI [ 67.253134] CPU: 2 PID: 825 Comm: cat Tainted: G D W 5.10.131-cip13 #1 f 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 66.8534[ 67.261658] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 67.274468] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20 [ 67.279423] Code: 48 c7 c7 b0 83 cc 92 8d 70 01 89 35 b1 2b 71 02 e8 d6 8a 64 00 0f 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 0f 1f 44 00 00 04 25 00 00 00 00 00 00 00 00 c3 66 66 2e 0f 1f 84 00 00 00 00 [ 67.300353] RSP: 0018:ffffba7e8143fe60 EFLAGS: 00010286 [ 67.306183] RAX: ffffffff91cb1990 RBX: 0000000000000004 RCX: 0000000000000000 [ 67.314141] RDX: 0000000000000000 RSI: ffffa0d6fbd1bf70 RDI: ffffffff928d9aa0 [ 67.322103] RBP: ffffffff92bfda17 R08: 0000000000000000 R09: 0000000000000000 [ 67.330062] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a [ 67.338031] R13: ffffba7e8143ff10 R14: ffffba7e8143ff10 R15: ffffa0d682cf3000 [ 67.345994] FS: 00007f5770356580(0000) GS:ffffa0d6fbd00000(0000) knlGS:0000000000000000 [ 67.355031] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 67.361449] CR2: 0000000000000000 CR3: 0000000103f50000 CR4: 00000000003506e0 [ 67.369408] Call Trace: [ 67.372145] direct_entry.cold+0x2c/0x38 [ 67.376526] full_proxy_write+0x56/0x80 [ 67.380810] vfs_write+0xea/0x390 [ 67.384513] ksys_write+0x68/0xe0 [ 67.388219] do_syscall_64+0x33/0x40 [ 67.392211] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 67.397847] RIP: 0033:0x7f577027ef33 [ 67.401824] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 67.422769] RSP: 002b:00007ffd1a8ee428 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 67.431219] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f577027ef33 [ 67.439178] RDX: 000000000000000a RSI: 00007f577016f000 RDI: 0000000000000001 [ 67.447137] RBP: 00007f577016f000 R08: 00007f577016e010 R09: 0000000000000000 [ 67.455092] R10: 00007f57703791c0 R11: 0000000000000246 R12: 0000000000000001 [ 67.463048] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 67.471026] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 67.486974] CR2: 0000000000000000 [ 67.490672] ---[ end trace 3fb4adc707f7a838 ]--- [ 67.495831] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 67.500212] Code: 59 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 2b 71 02 [ 67.521159] RSP: 0018:ffffba7e812f7e60 EFLAGS: 00010286 [ 67.526993] RAX: ffffffff91cb1930 RBX: 0000000000000001 RCX: 0000000000000000 [ 67.534955] RDX: 0000000000000000 RSI: ffffa0d6fbc1bf70 RDI: ffffffff928d9a70 [ 67.542917] RBP: ffffffff92d23350 R08: 0000000000000001 R09: 0000000000000001 [ 67.550888] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 67.558858] R13: ffffba7e812f7f10 R14: ffffba7e812f7f10 R15: ffffa0d6839a0000 [ 67.566825] FS: 00007f5770356580(0000) GS:ffffa0d6fbd00000(0000) knlGS:0000000000000000 [ 67.575854] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 67.582261] CR2: 0000000000000000 CR3: 0000000103f50000 CR4: 00000000003506e0 [ 67.590234] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 67.600146] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 825, name: cat [ 67.608499] INFO: lockdep is turned off. [ 67.612875] irq event stamp: 0 [ 67.616283] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 67.623278] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 67.632405] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 67.641543] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 67.648547] CPU: 2 PID: 825 Comm: cat Tainted: G D W 5.10.131-cip13 #1 [ 67.657088] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 67.663687] Call Trace: [ 67.666418] dump_stack+0x77/0x97 [ 67.670116] ___might_sleep.cold+0xa6/0xb6 [ 67.674688] exit_signals+0x1c/0x2d0 [ 67.678678] do_exit+0xd5/0xb00 [ 67.682181] ? ksys_write+0x68/0xe0 [ 67.686073] rewind_stack_do_exit+0x17/0x20 [ 67.690738] RIP: 0033:0x7f577027ef33 [ 67.694723] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 67.715663] RSP: 002b:00007ffd1a8ee428 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 67.724104] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f577027ef33 [ 67.732062] RDX: 000000000000000a RSI: 00007f577016f000 RDI: 0000000000000001 [ 67.740017] RBP: 00007f577016f000 R08: 00007f577016e010 R09: 0000000000000000 [ 67.747967] R10: 00007f57703791c0 R11: 0000000000000246 R12: 0000000000000001 [ 67.755921] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 03] RSP: 002b:00007ffe5c7344b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 66.868057] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007f7fc5ec9f33 # [ 66.882268] RDX: 0000000000000010 RSI: 00007f7fc5dba000 RDI: 0000000000000001 # [ 66.896476] RBP: 00007f7fc5dba000 R08: 00007f7fc5db9010 R09: 0000000000000000 # [ 66.906574] R10: 00007f7fc5fc41c0 R11: 0000000000000246 R12: 0000000000000001 # [ 66.914614] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 66.922867] irq event stamp: 0 # [ 66.926339] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 66.933509] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 66.942726] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 66.951969] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 66.959079] ---[ end trace 3fb4adc707f7a837 ]--- # WARNING_MESSAGE: saw 'message trigger': ok ok 4 selftests: lkdtm: WARNING_MESSAGE.sh # selftests: lkdtm: EXCEPTION.sh # Killed # [ 67.218314] lkdtm: Performing direct entry EXCEPTION # [ 67.227111] BUG: kernel NULL pointer dereference, address: 0000000000000000 # [ 67.234876] #PF: supervisor write access in kernel mode # [ 67.240697] #PF: error_code(0x0002) - not-present page # [ 67.246424] PGD 0 P4D 0 # [ 67.249254] Oops: 0002 [#2] SMP PTI # [ 67.253134] CPU: 2 PID: 825 Comm: cat Tainted: G D W 5.10.131-cip13 #1 # [ 67.261658] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 67.274468] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20 # [ 67.279423] Code: 48 c7 c7 b0 83 cc 92 8d 70 01 89 35 b1 2b 71 02 e8 d6 8a 64 00 0f 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 0f 1f 44 00 00 04 25 00 00 00 00 00 00 00 00 c3 66 66 2e 0f 1f 84 00 00 00 00 # [ 67.300353] RSP: 0018:ffffba7e8143fe60 EFLAGS: 00010286 # [ 67.306183] RAX: ffffffff91cb1990 RBX: 0000000000000004 RCX: 0000000000000000 # [ 67.314141] RDX: 0000000000000000 RSI: ffffa0d6fbd1bf70 RDI: ffffffff928d9aa0 # [ 67.322103] RBP: ffffffff92bfda17 R08: 0000000000000000 R09: 0000000000000000 # [ 67.330062] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 67.338031] R13: ffffba7e8143ff10 R14: ffffba7e8143ff10 R15: ffffa0d682cf3000 # [ 67.345994] FS: 00007f5770356580(0000) GS:ffffa0d6fbd00000(0000) knlGS:0000000000000000 # [ 67.355031] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 67.361449] CR2: 0000000000000000 CR3: 0000000103f50000 CR4: 00000000003506e0 # [ 67.369408] Call Trace: # [ 67.372145] direct_entry.cold+0x2c/0x38 # [ 67.376526] full_proxy_write+0x56/0x80 # [ 67.380810] vfs_write+0xea/0x390 # [ 67.384513] ksys_write+0x68/0xe0 # [ 67.388219] do_syscall_64+0x33/0x40 # [ 67.392211] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 67.397847] RIP: 0033:0x7f577027ef33 # [ 67.401824] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 67.422769] RSP: 002b:00007ffd1a8ee428 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 67.431219] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f577027ef33 # [ 67.439178] RDX: 000000000000000a RSI: 00007f577016f000 RDI: 0000000000000001 # [ 67.447137] RBP: 00007f577016f000 R08: 00007f577016e010 R09: 0000000000000000 # [ 67.455092] R10: 00007f57703791c0 R11: 0000000000000246 R12: 0000000000000001 # [ 67.463048] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 67.471026] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 67.486974] CR2: 0000000000000000 # [ 67.490672] ---[ end trace 3fb4adc707f7a838 ]--- # [ 67.495831] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 67.500212] Code: 59 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 2b 71 02 # [ 67.521159] RSP: 0018:ffffba7e812f7e60 EFLAGS: 00010286 # [ 67.526993] RAX: ffffffff91cb1930 RBX: 0000000000000001 RCX: 0000000000000000 # [ 67.534955] RDX: 0000000000000000 RSI: ffffa0d6fbc1bf70 RDI: ffffffff928d9a70 # [ 67.542917] RBP: ffffffff92d23350 R08: 0000000000000001 R09: 0000000000000001 # [ 67.550888] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 67.558858] R13: ffffba7e812f7f10 R14: ffffba7e812f7f10 R15: ffffa0d6839a0000 # [ 67.566825] FS: 00007f5770356580(0000) GS:ffffa0d6fbd00000(0000) knlGS:0000000000000000 # [ 67.575854] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 67.582261] CR2: 0000000000000000 CR3: 0000000103f50000 CR4: 00000000003506e0 # [ 67.590234] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 67.600146] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 825, name: cat # [ 67.608499] INFO: lockdep is turned off. # [ 67.612875] irq event stamp: 0 # [ 67.616283] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 67.623278] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 67.632405] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 67.641543] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 67.648547] CPU: 2 PID: 825 Comm: cat Tainted: G D W 5.10.131-cip13 #1 # [ 67.657088] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 67.663687] Call Trace: # [ 67.666418] dump_stack+0x77/0x97 # [ 67.670116] ___might_sleep.cold+0xa6/0xb6 # [ 67.674688] exit_signals+0x1c/0x2d0 # [ 67.678678] do_exit+0xd5/0xb00 # [ 67.682181] ? ksys_write+0x68/0xe0 # [ 67.686073] rewind_stack_do_exit+0x17/0x20 # [ 67.690738] RIP: 0033:0x7f577027ef33 # [ 67.694723] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 67.715663] RSP: 002b:00007ffd1a8ee428 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 67.724104] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f577027ef33 # [ 67.732062] RDX: 000000000000000a RSI: 00007f577016f000 RDI: 0000000000000001 # [ 67.740017] RBP: 00007f577016f000 R08: 00007f577016e010 R09: 0000000000000000 # [ 67.747967] R10: 00007f57703791c0 R11: 0000000000000246 R12: 0000000000000001 # [ 67.755921] 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 [ 68.570015] lkdtm: Performing direct entry CORRUPT_LIST_ADD [ 68.576332] lkdtm: attempting good list addition [ 68.581519] lkdtm: attempting corrupted list addition [ 68.587192] lkdtm: list_add() corruption not detected! # [ 68.570015] lkdtm: Performing direct entry CORRUPT_LIST_ADD # [ 68.576332] lkdtm: attempting good list addition # [ 68.581519] lkdtm: attempting corrupted list addition # [ 68.587192] lkdtm: list_add() corruption not detected! # CORRUPT_LIST_ADD: missing 'list_add corruption': [FAIL] not ok 10 selftests: lkdtm: CORRUPT_LIST_ADD.sh # exit=1 # selftests: lkdtm: CORRUPT_LIST_DEL.sh [ 68.831608] lkdtm: Performing direct entry CORRUPT_LIST_DEL [ 68.837869] lkdtm: attempting good list removal [ 68.842956] lkdtm: attempting corrupted list removal [ 68.848534] lkdtm: list_del() corruption not detected! # [ 68.831608] lkdtm: Performing direct entry CORRUPT_LIST_DEL # [ 68.837869] lkdtm: attempting good list removal # [ 68.842956] lkdtm: attempting corrupted list removal # [ 68.848534] 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 [ 69.089203] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING [ 69.096227] lkdtm: attempting bad read from page below current stack [ 69.103363] BUG: stack guard page was hit at 00000000924eb45b (stack is 00000000089c832a..000000001ba84179) [ 69.114238] kernel stack overflow (page fault): 0000 [#3] SMP PTI [ 69.121034] CPU: 2 PID: 1050 Comm: cat Tainted: G D W 5.10.131-cip13 #1 [ 69.129665] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 69.136280] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a [ 69.142795] Code: 41 5c c3 0f 1f 44 00 00 53 48 c7 c7 50 87 cc 92 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 13 a4 fd ff 48 c7 c7 90 87 cc 92 <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 f9 a3 fd ff 0f 1f 44 [ 69.163722] RSP: 0018:ffffba7e81787e50 EFLAGS: 00010246 [ 69.169553] RAX: 0000000000000038 RBX: ffffba7e81784000 RCX: 0000000000000000 [ 69.177510] RDX: 0000000000000000 RSI: ffffa0d6fbd1bf70 RDI: ffffffff92cc8790 [ 69.185475] RBP: ffffffff92cc7eba R08: 0000000000000000 R09: 0000000000000000 [ 69.193439] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019 [ 69.201403] R13: ffffba7e81787f10 R14: ffffba7e81787f10 R15: ffffa0d68647d000 [ 69.209375] FS: 00007f0b451e8580(0000) GS:ffffa0d6fbd00000(0000) knlGS:0000000000000000 [ 69.218408] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 69.224826] CR2: ffffba7e81783fff CR3: 0000000103e2a000 CR4: 00000000003506e0 [ 69.232795] Call Trace: [ 69.235536] ? lkdtm_CORRUPT_LIST_DEL+0xdc/0xdc [ 69.240598] direct_entry.cold+0x2c/0x38 [ 69.244983] full_proxy_write+0x56/0x80 [ 69.249264] vfs_write+0xea/0x390 [ 69.252970] ksys_write+0x68/0xe0 [ 69.256676] do_syscall_64+0x33/0x40 [ 69.260677] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 69.266324] RIP: 0033:0x7f0b45110f33 [ 69.270319] 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 [ 69.291286] RSP: 002b:00007ffef1f6a958 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 69.299733] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007f0b45110f33 [ 69.307694] RDX: 0000000000000019 RSI: 00007f0b45001000 RDI: 0000000000000001 [ 69.315654] RBP: 00007f0b45001000 R08: 00007f0b45000010 R09: 0000000000000000 [ 69.323607] R10: 00007f0b4520b1c0 R11: 0000000000000246 R12: 0000000000000001 [ 69.331572] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 69.339544] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 69.355500] ---[ end trace 3fb4adc707f7a839 ]--- [ 69.360654] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 69.365031] Code: 59 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 2b 71 02 [ 69.385964] RSP: 0018:ffffba7e812f7e60 EFLAGS: 00010286 [ 69.391793] RAX: ffffffff91cb1930 RBX: 0000000000000001 RCX: 0000000000000000 [ 69.399760] RDX: 0000000000000000 RSI: ffffa0d6fbc1bf70 RDI: ffffffff928d9a70 [ 69.407727] RBP: ffffffff92d23350 R08: 0000000000000001 R09: 0000000000000001 [ 69.415691] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 69.423655] R13: ffffba7e812f7f10 R14: ffffba7e812f7f10 R15: ffffa0d6839a0000 [ 69.431609] FS: 00007f0b451e8580(0000) GS:ffffa0d6fbd00000(0000) knlGS:0000000000000000 [ 69.440632] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 69.447052] CR2: ffffba7e81783fff CR3: 0000000103e2a000 CR4: 00000000003506e0 [ 69.455025] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 69.464920] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1050, name: cat [ 69.473359] INFO: lockdep is turned off. [ 69.477732] irq event stamp: 0 [ 69.481136] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 69.488137] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 69.497268] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 69.506385] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 69.513383] CPU: 2 PID: 1050 Comm: cat Tainted: G D W 5.10.131-cip13 #1 [ 69.522017] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 69.528621] Call Trace: [ 69.531358] dump_stack+0x77/0x97 [ 69.535065] ___might_sleep.cold+0xa6/0xb6 [ 69.539641] exit_signals+0x1c/0x2d0 [ 69.543637] do_exit+0xd5/0xb00 [ 69.547146] ? ksys_write+0x68/0xe0 [ 69.551044] rewind_stack_do_exit+0x17/0x20 [ 69.555717] RIP: 0033:0x7f0b45110f33 [ 69.559713] 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 [ 69.580678] RSP: 002b:00007ffef1f6a958 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 69.589135] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007f0b45110f33 [ 69.597099] RDX: 0000000000000019 RSI: 00007f0b45001000 RDI: 0000000000000001 [ 69.605072] RBP: 00007f0b45001000 R08: 00007f0b45000010 R09: 0000000000000000 [ 69.613033] R10: 00007f0b4520b1c0 R11: 0000000000000246 R12: 0000000000000001 [ 69.620992] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # Segmentation fault # [ 69.089203] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING # [ 69.096227] lkdtm: attempting bad read from page below current stack # [ 69.103363] BUG: stack guard page was hit at 00000000924eb45b (stack is 00000000089c832a..000000001ba84179) # [ 69.114238] kernel stack overflow (page fault): 0000 [#3] SMP PTI # [ 69.121034] CPU: 2 PID: 1050 Comm: cat Tainted: G D W 5.10.131-cip13 #1 # [ 69.129665] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 69.136280] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a # [ 69.142795] Code: 41 5c c3 0f 1f 44 00 00 53 48 c7 c7 50 87 cc 92 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 13 a4 fd ff 48 c7 c7 90 87 cc 92 <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 f9 a3 fd ff 0f 1f 44 # [ 69.163722] RSP: 0018:ffffba7e81787e50 EFLAGS: 00010246 # [ 69.169553] RAX: 0000000000000038 RBX: ffffba7e81784000 RCX: 0000000000000000 # [ 69.177510] RDX: 0000000000000000 RSI: ffffa0d6fbd1bf70 RDI: ffffffff92cc8790 # [ 69.185475] RBP: ffffffff92cc7eba R08: 0000000000000000 R09: 0000000000000000 # [ 69.193439] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019 # [ 69.201403] R13: ffffba7e81787f10 R14: ffffba7e81787f10 R15: ffffa0d68647d000 # [ 69.209375] FS: 00007f0b451e8580(0000) GS:ffffa0d6fbd00000(0000) knlGS:0000000000000000 # [ 69.218408] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 69.224826] CR2: ffffba7e81783fff CR3: 0000000103e2a000 CR4: 00000000003506e0 # [ 69.232795] Call Trace: # [ 69.235536] ? lkdtm_CORRUPT_LIST_DEL+0xdc/0xdc # [ 69.240598] direct_entry.cold+0x2c/0x38 # [ 69.244983] full_proxy_write+0x56/0x80 # [ 69.249264] vfs_write+0xea/0x390 # [ 69.252970] ksys_write+0x68/0xe0 # [ 69.256676] do_syscall_64+0x33/0x40 # [ 69.260677] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 69.266324] RIP: 0033:0x7f0b45110f33 # [ 69.270319] 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 # [ 69.291286] RSP: 002b:00007ffef1f6a958 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 69.299733] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007f0b45110f33 # [ 69.307694] RDX: 0000000000000019 RSI: 00007f0b45001000 RDI: 0000000000000001 # [ 69.315654] RBP: 00007f0b45001000 R08: 00007f0b45000010 R09: 00[ 69.905345] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING 00000000000000 # [ 69.323607] R10: 00007f0b4520b1c0 R11: 0000[ 69.916216] lkdtm: attempting bad read from page above current stack [ 69.929565] BUG: stack guard page was hit at 00000000ea7a0bfa (stack is 00000000b9251c83..000000009bb754c4) 000000000246 R12: 0000000000000001 # [ 69.331572] R13: 000000[ 69.940455] kernel stack overflow (page fault): 0000 [#4] SMP PTI 0000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 69[ 69.953459] CPU: 1 PID: 1083 Comm: cat Tainted: G D W 5.10.131-cip13 #1 [ 69.968299] Hardware name: Google Coral/Coral, BIOS 09/29/2020 .339544] Modules linked in: fuse ip_tables cros_ec_lightbar cros[ 69.974925] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILING+0x27/0x3d [ 69.987749] Code: a3 fd ff 0f 1f 44 00 00 53 48 c7 c7 c8 87 cc 92 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 d9 a3 fd ff 48 c7 c7 08 88 cc 92 <8a> 83 00 40 00 00 88 44 24 07 0f b6 74 24 07 5a 5b e9 bc a3 fd ff [ 70.008693] RSP: 0018:ffffba7e81807e50 EFLAGS: 00010246 [ 70.014524] RAX: 0000000000000038 RBX: ffffba7e81804000 RCX: 0000000000000000 [ 70.022490] RDX: 0000000000000000 RSI: ffffa0d6fbc9bf70 RDI: ffffffff92cc8808 [ 70.030445] RBP: ffffffff92cc7ed3 R08: 0000000000000000 R09: 0000000000000000 [ 70.038401] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001a [ 70.046354] R13: ffffba7e81807f10 R14: ffffba7e81807f10 R15: ffffa0d684e02000 [ 70.054309] FS: 00007f6d9f930580(0000) GS:ffffa0d6fbc80000(0000) knlGS:0000000000000000 [ 70.063340] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 70.069750] CR2: ffffba7e81808000 CR3: 000000010290e000 CR4: 00000000003506e0 [ 70.077707] Call Trace: [ 70.080448] ? lkdtm_STACK_GUARD_PAGE_LEADING+0x3a/0x3a [ 70.086291] direct_entry.cold+0x2c/0x38 [ 70.090676] full_proxy_write+0x56/0x80 [ 70.094967] vfs_write+0xea/0x390 [ 70.098675] ksys_write+0x68/0xe0 [ 70.102386] do_syscall_64+0x33/0x40 [ 70.106382] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 70.112030] RIP: 0033:0x7f6d9f858f33 [ 70.116028] 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 [ 70.137005] RSP: 002b:00007fff4a30e378 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 70.145453] RAX: ffffffffffffffda RBX: 000000000000001a RCX: 00007f6d9f858f33 [ 70.153420] RDX: 000000000000001a RSI: 00007f6d9f749000 RDI: 0000000000000001 [ 70.161386] RBP: 00007f6d9f749000 R08: 00007f6d9f748010 R09: 0000000000000000 [ 70.169339] R10: 00007f6d9f9531c0 R11: 0000000000000246 R12: 0000000000000001 [ 70.177307] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 70.185285] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 70.201256] ---[ end trace 3fb4adc707f7a83a ]--- [ 70.206420] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 70.210802] Code: 59 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 2b 71 02 [ 70.231775] RSP: 0018:ffffba7e812f7e60 EFLAGS: 00010286 [ 70.237616] RAX: ffffffff91cb1930 RBX: 0000000000000001 RCX: 0000000000000000 [ 70.245584] RDX: 0000000000000000 RSI: ffffa0d6fbc1bf70 RDI: ffffffff928d9a70 [ 70.253551] RBP: ffffffff92d23350 R08: 0000000000000001 R09: 0000000000000001 [ 70.261520] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 70.269491] R13: ffffba7e812f7f10 R14: ffffba7e812f7f10 R15: ffffa0d6839a0000 [ 70.277465] FS: 00007f6d9f930580(0000) GS:ffffa0d6fbc80000(0000) knlGS:0000000000000000 [ 70.286502] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 70.292921] CR2: ffffba7e81808000 CR3: 000000010290e000 CR4: 00000000003506e0 _ec_sysfs cros_ec_chardev cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 69.355500] ---[ end trace 3fb4adc707f7a839 ]--- # [ 69.360654] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 69.365031] Code: 59 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 2b 71 02 # [ 69.385964] RSP: 0018:ffffba7e812f7e60 EFLAGS: 00010286 # [ 69.391793] RAX: ffffffff91cb1930 RBX: 0000000000000001 RCX: 0000000000000000 # [ 69.399760] RDX: 0000000000000000 RSI: ffffa0d6fbc1bf70 RDI: ffffffff928d9a70 # [ 69.407727] RBP: ffffffff92d23350 R08: 0000000000000001 R09: 0000000000000001 # [ 69.415691] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 69.423655] R13: ffffba7e812f7f10 R14: ffffba7e812f7f10 R15: ffffa0d6839a0000 # [ 69.431609] FS: 00007f0b451e8580(0000) GS:ffffa0d6fbd00000(0000) knlGS:0000000000000000 # [ 69.440632] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 69.447052] CR2: ffffba7e81783fff CR3: 0000000103e2a000 CR4: 00000000003506e0 # [ 69.455025] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 69.464920] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1050, name: cat # [ 69.473359] INFO: lockdep is turned off. # [ 69.477732] irq event stamp: 0 # [ 69.481136] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 69.488137] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 69.497268] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 69.506385] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 69.513383] CPU: 2 PID: 1050 Comm: cat Tainted: G D W 5.10.131-cip13 #1 # [ 69.522017] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 69.528621] Call Trace: # [ 69.531358] dump_stack+0x77/0x97 # [ 69.535065] ___might_sleep.cold+0xa6/0xb6 # [ 69.539641] exit_signals+0x1c/0x2d0 # [ 69.543637] do_exit+0xd5/0xb00 # [ 69.547146] ? ksys_write+0x68/0xe0 # [ 69.551044] rewind_stack_do_exit+0x17/0x20 # [ 69.555717] RIP: 0033:0x7f0b45110f33 # [ 69.559713] 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 # [ 69.580678] RSP: 002b:00007ffef1f6a958 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 69.589135] RAX: ffffffffffffffda RBX: 0000000000000019 [ 70.552153] lkdtm: Performing direct entry UNSET_SMEP [ 70.561466] lkdtm: trying to clear SMEP normally [ 70.566662] ------------[ cut here ]------------ RCX: 00007f0b45110f33 # [ 69.597099] RDX: 0000000000000019 RS[ 70.571833] pinned CR4 bits changed: 0x100000!? I: 00007f0b45001000 RDI: 0000000000000001 # [ 69.605072] RBP:[ 70.583125] WARNING: CPU: 2 PID: 1119 at arch/x86/kernel/cpu/common.c:392 native_write_cr4+0x41/0x60 00007f0b45001000 R08: 00007f0b45000010 R09: 0000000000000000 #[ 70.599512] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 70.621674] CPU: 2 PID: 1119 Comm: cat Tainted: G D W 5.10.131-cip13 #1 [ 70.630343] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 70.636975] RIP: 0010:native_write_cr4+0x41/0x60 [ 69.613033] R10: 00007f0b4520b1c0 R11: 0000000000000246 R12:[ 70.642211] Code: 08 31 00 48 39 c2 75 25 48 85 f6 75 01 c3 80 3d 76 eb c3 01 00 75 f6 48 c7 c7 78 79 c0 92 c6 05 66 eb c3 01 01 e8 85 a7 e3 00 <0f> 0b c3 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09 c7 eb ac 66 [ 70.669399] RSP: 0018:ffffba7e8184fe48 EFLAGS: 00010286 [ 70.675259] RAX: 0000000000000000 RBX: 00000000002506e0 RCX: 0000000000000000 [ 70.683247] RDX: ffffa0d6fbd2c660 RSI: ffffa0d6fbd1bf70 RDI: ffffa0d6fbd1bf70 [ 70.691241] RBP: ffffffff92cc7eed R08: 0000000000000000 R09: 0000000000000000 [ 70.699233] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b [ 70.707217] R13: ffffba7e8184ff10 R14: ffffba7e8184ff10 R15: ffffa0d685b88000 [ 70.715202] FS: 00007f3b6a394580(0000) GS:ffffa0d6fbd00000(0000) knlGS:0000000000000000 [ 70.724245] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 70.730678] CR2: 00007f3b6a1ad000 CR3: 0000000104f1c000 CR4: 00000000003506e0 [ 70.738660] Call Trace: [ 70.741419] lkdtm_UNSET_SMEP.cold+0x1d/0x103 [ 70.746309] direct_entry.cold+0x2c/0x38 [ 70.750719] full_proxy_write+0x56/0x80 [ 70.755023] vfs_write+0xea/0x390 [ 70.758739] ksys_write+0x68/0xe0 [ 70.762459] do_syscall_64+0x33/0x40 [ 70.766462] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 70.772120] RIP: 0033:0x7f3b6a2bcf33 [ 70.776126] 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 [ 70.797078] RSP: 002b:00007ffd95d47b68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 70.805536] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f3b6a2bcf33 [ 70.813510] RDX: 000000000000000b RSI: 00007f3b6a1ad000 RDI: 0000000000000001 [ 70.821488] RBP: 00007f3b6a1ad000 R08: 00007f3b6a1ac010 R09: 0000000000000000 [ 70.829468] R10: 00007f3b6a3b71c0 R11: 0000000000000246 R12: 0000000000000001 [ 70.837443] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 70.845434] irq event stamp: 0 [ 70.848858] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 70.855873] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 0000000000000001 # [ 69.620992] R13: 0000000000000001 R14: 0[ 70.865032] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 000000000020000 R15: 0000000000020000 # STACK_GUARD_PAGE_LEADIN[ 70.880343] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 70.893539] ---[ end trace 3fb4adc707f7a83b ]--- [ 70.898703] lkdtm: ok: SMEP did not get cleared [ 70.903757] lkdtm: trying to clear SMEP with call gadget [ 70.909696] lkdtm: ok: SMEP removal was reverted G: saw 'call trace:': ok ok 12 selftests: lkdtm: STACK_GUARD_PAGE_LEADING.sh # selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh # Segmentation fault # [ 69.905345] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING # [ 69.916216] lkdtm: attempting bad read from page above current stack # [ 69.929565] BUG: stack guard page was hit at 00000000ea7a0bfa (stack is 00000000b9251c83..000000009bb754c4) # [ 69.940455] kernel stack overflow (page fault): 0000 [#4] SMP PTI # [ 69.953459] CPU: 1 PID: 1083 Comm: cat Tainted: G D W 5.10.131-cip13 #1 # [ 69.968299] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 69.974925] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILING+0x27/0x3d # [ 69.987749] Code: a3 fd ff 0f 1f 44 00 00 53 48 c7 c7 c8 87 cc 92 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 d9 a3 fd ff 48 c7 c7 08 88 cc 92 <8a> 83 00 40 00 00 88 44 24 07 0f b6 74 24 07 5a 5b e9 bc a3 fd ff # [ 70.008693] RSP: 0018:ffffba7e81807e50 EFLAGS: 00010246 # [ 70.014524] RAX: 0000000000000038 RBX: ffffba7e81804000 RCX: 0000000000000000 # [ 70.022490] RDX: 0000000000000000 RSI: ffffa0d6fbc9bf70 RDI: ffffffff92cc8808 # [ 70.030445] RBP: ffffffff92cc7ed3 R08: 0000000000000000 R09: 0000000000000000 # [ 70.038401] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001a # [ 70.046354] R13: ffffba7e81807f10 R14: ffffba7e81807f10 R15: ffffa0d684e02000 # [ 70.054309] FS: 00007f6d9f930580(0000) GS:ffffa0d6fbc80000(0000) knlGS:0000000000000000 # [ 70.063340] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 70.069750] CR2: ffffba7e81808000 CR3: 000000010290e000 CR4: 00000000003506e0 # [ 70.077707] Call Trace: # [ 70.080448] ? lkdtm_STACK_GUARD_PAGE_LEADING+0x3a/0x3a # [ 70.086291] direct_entry.cold+0x2c/0x38 # [ 70.090676] full_proxy_write+0x56/0x80 # [ 70.094967] vfs_write+0xea/0x390 # [ 70.098675] ksys_write+0x68/0xe0 # [ 70.102386] do_syscall_64+0x33/0x40 # [ 70.106382] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 70.112030] RIP: 0033:0x7f6d9f858f33 # [ 70.116028] 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 # [ 70.137005] RSP: 002b:00007fff4a30e378 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 70.145453] RAX: ffffffffffffffda RBX: 000000000000001a RCX: 00007f6d9f858f33 # [ 70.153420] RDX: 000000000000001a RSI: 00007f6d9f749000 RDI: 0000000000000001 # [ 70.[ 71.157979] lkdtm: Performing direct entry DOUBLE_FAULT 161386] RBP: 00007f6d9f749000 R08: 00007f6d9f748010 R09: 0000000[ 71.168956] lkdtm: XFAIL: this test is ia32-only 000000000 # [ 70.169339] R10: 00007f6d9f9531c0 R11: 0000000000000246 R12: 0000000000000001 # [ 70.177307] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 70.185285] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 70.201256] ---[ end trace 3fb4adc707f7a83a ]--- # [ 70.206420] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 70.210802] Code: 59 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 2b 71 02 # [ 70.231775] RSP: 0018:ffffba7e812f7e60 EFLAGS: 00010286 # [ 70.237616] RAX: ffffffff91cb1930 RBX: 0000000000000001 RCX: 0000000000000000 # [ 70.245584] RDX: 0000000000000000 RSI: ffffa0d6fbc1bf70 RDI: ffffffff928d9a70 # [ 70.253551] RBP: ffffffff92d23350 R08: 0000000000000001 R09: 0000000000000001 # [ 70.261520] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 70.269491] R13: ffffba7e812f7f10 R14: ffffba7e812f7f10 R15: ffffa0d6839a0000 # [ 70.277465] FS: 00007f6d9f930580(0000) GS:ffffa0d6fbc80000(0000) knlGS:0000000000000000 # [ 70.286502] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 70.292921] CR2: ffffba7e81808000 CR3: 000000010290e000 CR4: 00000000003506e0 # STACK_GUARD_PAGE_TRAILING: saw 'call trace:': ok ok 13 selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh # selftests: lkdtm: UNSET_SMEP.sh # [ 70.552153] lkdtm: Performing direct entry UNSET_SMEP # [ 70.561466] lkdtm: trying to clear SMEP normally # [ 70.566662] ------------[ cut here ]------------ # [ 70.571833] pinned CR4 bits changed: 0x100000!? # [ 70.583125] WARNING: CPU: 2 PID: 1119 at arch/x86/kernel/cpu/common.c:392 native_write_cr4+0x41/0x60 # [ 70.599512] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 70.621674] CPU: 2 PID: 1119 Comm: cat Tainted: G D W 5.10.131-cip13 #1 # [ 70.630343] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 70.636975] RIP: 0010:native_write_cr4+0x41/0x60 # [ 70.642211] Code: 08 31 00 48 39 c2 75 25 48 85 f6 75 01 c3 80 3d 76 eb c3 01 00 75 f6 48 c7 c7 78 79 c0 92 c6 05 66 eb c3 01 01 e8 85 a7 e3 00 <0f> 0b c3 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09 c7 eb ac 66 # [ 70.669399] RSP: 0018:ffffba7e8184fe48 EFLAGS: 00010286 # [ 70.675259] RAX: 0000000000000000 RBX: 00000000002506e0 RCX: 0000000000000000 # [ 70.683[ 71.429804] lkdtm: Performing direct entry CORRUPT_PAC 247] RDX: ffffa0d6fbd2c660 RSI: ffffa0d6fbd1bf70 RDI: ffffa0d6fb[ 71.440297] lkdtm: XFAIL: this test is arm64-only d1bf70 # [ 70.691241] RBP: ffffffff92cc7eed R08: 0000000000000000 R09: 0000000000000000 # [ 70.699233] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b # [ 70.707217] R13: ffffba7e8184ff10 R14: ffffba7e8184ff10 R15: ffffa0d685b88000 # [ 70.715202] FS: 00007f3b6a394580(0000) GS:ffffa0d6fbd00000(0000) knlGS:0000000000000000 # [ 70.724245] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 70.730678] CR2: 00007f3b6a1ad000 CR3: 0000000104f1c000 CR4: 00000000003506e0 # [ 70.738660] Call Trace: # [ 70.741419] lkdtm_UNSET_SMEP.cold+0x1d/0x103 # [ 70.746309] direct_entry.cold+0x2c/0x38 # [ 70.750719] full_proxy_write+0x56/0x80 # [ 70.755023] vfs_write+0xea/0x390 # [ 70.758739] ksys_write+0x68/0xe0 # [ 70.762459] do_syscall_64+0x33/0x40 # [ 70.766462] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 70.772120] RIP: 0033:0x7f3b6a2bcf33 # [ 70.776126] 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 # [ 70.797078] RSP: 002b:00007ffd95d47b68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 70.805536] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f3b6a2bcf33 # [ 70.813510] RDX: 000000000000000b RSI: 00007f3b6a1ad000 RDI: 0000000000000001 # [ 70.821488] RBP: 00007f3b6a1ad000 R08: 00007f3b6a1ac010 R09: 0000000000000000 # [ 70.829468] R10: 00007f3b6a3b71c0 R11: 0000000000000246 R12: 0000000000000001 # [ 70.837443] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 70.845434] irq event stamp: 0 # [ 70.848858] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 70.855873] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 70.865032] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 70.880343] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 70.893539] ---[ end trace 3fb4adc707f7a83b ]--- # [ 70.898703] lkdtm: ok: SMEP did not get cleared # [ 70.903757] lkdtm: trying to clear SMEP with call gadget # [ 70.909696] lkdtm: ok: SMEP removal was reverted # UNSET_SMEP: saw 'pinned CR4 bits changed:': ok ok 14 selftests: lkdtm: UNSET_SMEP.sh # selftests: lkdtm: DOUBLE_FAULT.sh # [ 71.157979] lkdtm: Performing direct entry DOUBLE_FAULT # [ 71.168956] lkdtm: XFAIL: this test is ia32-only # DOUBLE_FAULT: saw 'XFAIL': [SKIP] ok 15 selftests: lkdtm: DOUBLE_FAULT.sh #[ 71.694502] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE [ 71.706944] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS SKIP # selftests: lkdtm: CORRUPT_PAC.sh # [ 71.429804] lkdtm: Performing direct entry CORRUPT_PAC # [ 71.440297] lkdtm: XFAIL: this test is arm64-only # CORRUPT_PAC: saw 'XFAIL': [SKIP] ok 16 selftests: lkdtm: CORRUPT_PAC.sh # SKIP # selftests: lkdtm: UNALIGNED_LOAD_STORE_WRITE.sh # [ 71.694502] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE # [ 71.706944] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS # UNALIGNED_LOAD_STORE_WRITE: saw 'XFAIL': [SKIP] ok 17 selftests: lkdtm: UNALIGNED_LOAD_STORE_WRITE.sh # SKIP # selftests: lkdtm: OVERWRITE_ALLOCATION.sh # Skipping OVERWRITE_ALLOCATION: Corrupts memory on failure ok 18 selftests: lkdtm: OVERWRITE_ALLOCATION.sh # SKIP # selftests: lkdtm: WRITE_AFTER_FREE.sh # Skipping WRITE_AFTER_FREE: Corrupts memory on failure ok 19 selftests: lkdtm: WRITE_AFTER_FREE.sh # SKIP # selftests: lkdtm: READ_AFTER_FREE.sh [ 72.225357] lkdtm: Performing direct entry READ_AFTER_FREE [ 72.231524] lkdtm: Value in memory before free: 12345678 [ 72.237503] lkdtm: Attempting bad read from freed memory [ 72.243473] lkdtm: Memory was not poisoned # [ 72.225357] lkdtm: Performing direct entry READ_AFTER_FREE # [ 72.231524] lkdtm: Value in memory before free: 12345678 # [ 72.237503] lkdtm: Attempting bad read from freed memory # [ 72.243473] lkdtm: Memory was not poisoned # READ_AFTER_FREE: missing 'call trace:': [FAIL] not ok 20 selftests: lkdtm: READ_AFTER_FREE.sh # exit=1 # selftests: lkdtm: WRITE_BUDDY_AFTER_FREE.sh # Skipping WRITE_BUDDY_AFTER_FREE: Corrupts memory on failure ok 21 selftests: lkdtm: WRITE_BUDDY_AFTER_FREE.sh # SKIP # selftests: lkdtm: READ_BUDDY_AFTER_FREE.sh [ 72.610680] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE [ 72.617433] lkdtm: Value in memory before free: 12345678 [ 72.623398] lkdtm: Attempting to read from freed memory [ 72.629271] lkdtm: Buddy page was not poisoned # [ 72.610680] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE # [ 72.617433] lkdtm: Value in memory before free: 12345678 # [ 72.623398] lkdtm: Attempting to read from freed memory # [ 72.629271] 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 [ 72.873875] lkdtm: Performing direct entry SLAB_FREE_DOUBLE [ 72.880147] lkdtm: Attempting double slab free ... # [ 72.873875] lkdtm: Performing direct entry SLAB_FREE_DOUBLE # [ 72.880147] lkdtm: Attempting double slab free ... # SLAB_FREE_DOUBLE: missing 'call trace:': [FAIL] not ok 23 selftests: lkdtm: SLAB_FREE_DOUBLE.sh # exit=1 # selftests: lkdtm: SLAB_FREE_CROSS.sh [ 73.139189] lkdtm: Performing direct entry SLAB_FREE_CROSS [ 73.145356] lkdtm: Attempting cross-cache slab free ... # [ 73.139189] lkdtm: Performing direct entry SLAB_FREE_CROSS # [ 73.145356] lkdtm: Attempting cross-cache slab free ... # SLAB_FREE_CROSS: missing 'call trace:': [FAIL] not ok 24 selftests: lkdtm: SLAB_FREE_CROSS.sh # exit=1 # selftests: lkdtm: SLAB_FREE_PAGE.sh [ 73.399436] lkdtm: Performing direct entry SLAB_FREE_PAGE [ 73.405519] lkdtm: Attempting non-Slab slab free ... # [ 73.399436] lkdtm: Performing direct entry SLAB_FREE_PAGE # [ 73.405519] lkdtm: Attempting non-Slab slab free ... # SLAB_FREE_PAGE: missing 'call trace:': [FAIL] not ok 25 selftests: lkdtm: SLAB_FREE_PAGE.sh # exit=1 # selftests: lkdtm: SOFTLOCKUP.sh # Skipping SOFTLOCKUP: Hangs the system ok 26 selftests: lkdtm: SOFTLOCKUP.sh # SKIP # selftests: lkdtm: HARDLOCKUP.sh # Skipping HARDLOCKUP: Hangs the system ok 27 selftests: lkdtm: HARDLOCKUP.sh # SKIP # selftests: lkdtm: SPINLOCKUP.sh # Skipping SPINLOCKUP: Hangs the system ok 28 selftests: lkdtm: SPINLOCKUP.sh # SKIP # selftests: lkdtm: HUNG_TASK.sh # Skipping HUNG_TASK: Hangs the system ok 29 selftests: lkdtm: HUNG_TASK.sh # SKIP # selftests: lkdtm: EXEC_DATA.sh [ 74.171558] lkdtm: Performing direct entry EXEC_DATA [ 74.177143] lkdtm: attempting ok execution at ffffffff91cb1d00 [ 74.183680] lkdtm: attempting bad execution at ffffffff943c4560 [ 74.190334] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 74.198679] BUG: unable to handle page fault for address: ffffffff943c4560 [ 74.206336] #PF: supervisor instruction fetch in kernel mode [ 74.212646] #PF: error_code(0x0011) - permissions violation [ 74.218859] PGD 58029067 P4D 58029067 PUD 5802a063 PMD 80000000594000e3 [ 74.226347] Oops: 0011 [#5] SMP PTI [ 74.230237] CPU: 2 PID: 1626 Comm: cat Tainted: G D W 5.10.131-cip13 #1 [ 74.238870] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 74.245479] RIP: 0010:data_area+0x0/0x40 [ 74.249845] Code: ff ff 00 bd 27 84 d6 a0 ff ff 00 bc 27 84 d6 a0 ff ff 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 <0f> 1f 44 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 55 [ 74.270784] RSP: 0018:ffffba7e8203fe48 EFLAGS: 00010246 [ 74.276608] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 74.284563] RDX: 0000000000000000 RSI: ffffa0d6fbd1bf70 RDI: ffffa0d6fbd1bf70 [ 74.292517] RBP: ffffffff943c4560 R08: 0000000000000000 R09: 0000000000000000 [ 74.300470] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a [ 74.308421] R13: ffffba7e8203ff10 R14: ffffba7e8203ff10 R15: ffffa0d68363f000 [ 74.316379] FS: 00007f3c007a2580(0000) GS:ffffa0d6fbd00000(0000) knlGS:0000000000000000 [ 74.325404] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 74.331804] CR2: ffffffff943c4560 CR3: 00000001013f8000 CR4: 00000000003506e0 [ 74.339763] Call Trace: [ 74.342501] ? execute_location+0x48/0x56 [ 74.346973] ? direct_entry.cold+0x2c/0x38 [ 74.351546] ? full_proxy_write+0x56/0x80 [ 74.356019] ? vfs_write+0xea/0x390 [ 74.359908] ? ksys_write+0x68/0xe0 [ 74.363804] ? do_syscall_64+0x33/0x40 [ 74.367987] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 74.373827] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 74.389776] CR2: ffffffff943c4560 [ 74.393478] ---[ end trace 3fb4adc707f7a83c ]--- [ 74.398629] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 74.403004] Code: 59 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 2b 71 02 [ 74.423968] RSP: 0018:ffffba7e812f7e60 EFLAGS: 00010286 [ 74.429803] RAX: ffffffff91cb1930 RBX: 0000000000000001 RCX: 0000000000000000 [ 74.437769] RDX: 0000000000000000 RSI: ffffa0d6fbc1bf70 RDI: ffffffff928d9a70 [ 74.445721] RBP: ffffffff92d23350 R08: 0000000000000001 R09: 0000000000000001 [ 74.453672] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 74.461639] R13: ffffba7e812f7f10 R14: ffffba7e812f7f10 R15: ffffa0d6839a0000 [ 74.469608] FS: 00007f3c007a2580(0000) GS:ffffa0d6fbd00000(0000) knlGS:0000000000000000 [ 74.478643] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 74.485049] CR2: ffffffff943c4560 CR3: 00000001013f8000 CR4: 00000000003506e0 [ 74.493007] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 74.502902] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1626, name: cat [ 74.511339] INFO: lockdep is turned off. [ 74.515711] irq event stamp: 0 [ 74.519118] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 74.526111] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 74.535238] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 74.544360] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 74.551362] CPU: 2 PID: 1626 Comm: cat Tainted: G D W 5.10.131-cip13 #1 [ 74.559999] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 74.566608] Call Trace: [ 74.569347] dump_stack+0x77/0x97 [ 74.573054] ___might_sleep.cold+0xa6/0xb6 [ 74.577635] exit_signals+0x1c/0x2d0 [ 74.581631] do_exit+0xd5/0xb00 [ 74.585147] ? ksys_write+0x68/0xe0 [ 74.589038] rewind_stack_do_exit+0x17/0x20 [ 74.593702] RIP: 0033:0x7f3c006caf33 [ 74.597692] 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 [ 74.618642] RSP: 002b:00007ffefebb6a58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 74.627095] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f3c006caf33 [ 74.635055] RDX: 000000000000000a RSI: 00007f3c005bb000 RDI: 0000000000000001 [ 74.643011] RBP: 00007f3c005bb000 R08: 00007f3c005ba010 R09: 0000000000000000 [ 74.650969] R10: 00007f3c007c51c0 R11: 0000000000000246 R12: 0000000000000001 [ 74.658931] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # Killed # [ 74.171558] lkdtm: Performing direct entry EXEC_DATA # [ 74.177143] lkdtm: attempting ok execution at ffffffff91cb1d00 # [ 74.183680] lkdtm: attempting bad execution at ffffffff943c4560 # [ 74.190334] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 74.198679] BUG: unable to handle page fault for address: ffffffff943c4560 # [ 74.206336] #PF: supervisor instruction fetch in kernel mode # [ 74.212646] #PF: error_code(0x0011) - permissions violation # [ 74.218859] PGD 58029067 P4D 58029067 PUD 5802a063 PMD 80000000594000e3 # [ 74.226347] Oops: 0011 [#5] SMP PTI # [ 74.230237] CPU: 2 PID: 1626 Comm: cat Tainted: G D W 5.10.131-cip13 #1 # [ 74.238870] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 74.245479] RIP: 0010:data_area+0x0/0x40 # [ 74.249845] Code: ff ff 00 bd 27 84 d6 a0 ff ff 00 bc 27 84 d6 a0 ff ff 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 <0f> 1f 44 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 55 # [ 74.270784] RSP: 0018:ffffba7e8203fe48 EFLAGS: 00010246 # [ 74.276608] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 74.284563] RDX: 0000000000000000 RSI: ffffa0d6fbd1bf70 RDI: ffffa0d6fbd1bf70 # [ 74.292517] RBP: ffffffff943c4560 R08: 0000000000000000 R09: 0000000000000000 # [ 74.300470] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 74.308421] R13: ffffba7e8203ff10 R14: ffffba7e8203ff10 R15: ffffa0d68363f000 # [ 74.316379] FS: 00007f3c007a2580(0000) GS:ffffa0d6fbd00000(0000) knlGS:0000000000000000 # [ 74.325404] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 74.331804] CR2: ffffffff943c4560 CR3: 00000001013f8000 CR4: 00000000003506e0 # [ 74.339763] Call Trace: # [ 74.342501] ? execute_location+0x48/0x56 # [ 74.346973] ? direct_entry.cold+0x2c/0x38 # [ 74.351546] ? full_proxy_write+0x56/0x80 # [ 74.356019] ? vfs_write+0xea/0x390 # [ 74.359908] ? ksys_write+0x68/0xe0 # [ 74.363804] ? do_syscall_64+0x33/0x40 # [ 74.367987] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 74.373827] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 74.389776] CR2: ffffffff943c4560 # [ 74.393478] ---[ end trace 3fb4adc707f7a83c ]--- # [ 74.398629] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 74.403004] Code: 59 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1[ 74.961771] lkdtm: Performing direct entry EXEC_STACK [ 74.973282] lkdtm: attempting ok execution at ffffffff91cb1d00 [ 74.979817] lkdtm: attempting bad execution at ffffba7e820d7e18 f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 [ 74.986458] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 75.000978] BUG: unable to handle page fault for address: ffffba7e820d7e18 [ 75.008644] #PF: supervisor instruction fetch in kernel mode [ 75.014950] #PF: error_code(0x0011) - permissions violation 05 e0 2b 71 02 # [ 74.423968] RSP: 0018:ffffba7e812f7e60 EFLA[ 75.021159] PGD 100000067 P4D 100000067 PUD 100211067 PMD 103679067 PTE 8000000104bcc063 [ 75.036399] Oops: 0011 [#6] SMP PTI GS: 00010286 # [ 74.429803] RAX: ffffffff91cb1930 RBX: 000000[ 75.040284] CPU: 1 PID: 1662 Comm: cat Tainted: G D W 5.10.131-cip13 #1 [ 75.055105] Hardware name: Google Coral/Coral, BIOS 09/29/2020 00[00000001 RCX: 0000000000000000 # [ 74.437769] RDX: 00000000 75.061713] RIP: 0010:0xffffba7e820d7e18 [ 75.072306] Code: 00 00 18 7e 0d 82 7e ba ff ff cb 5d 32 92 ff ff ff ff 20 00 00 00 00 00 00 00 16 80 cc 92 ff ff ff ff f7 5e 32 92 ff ff ff ff <0f> 1f 44 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 55 [ 75.093272] RSP: 0018:ffffba7e820d7df8 EFLAGS: 00010246 [ 75.099102] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 75.107074] RDX: 0000000000000000 RSI: ffffa0d6fbc9bf70 RDI: ffffa0d6fbc9bf70 [ 75.115044] RBP: ffffba7e820d7e18 R08: 0000000000000000 R09: 0000000000000000 [ 75.123007] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b [ 75.130971] R13: ffffba7e820d7f10 R14: ffffba7e820d7f10 R15: ffffa0d683e29000 [ 75.138934] FS: 00007f9f5420e580(0000) GS:ffffa0d6fbc80000(0000) knlGS:0000000000000000 [ 75.147963] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 75.154365] CR2: ffffba7e820d7e18 CR3: 0000000105bcc000 CR4: 00000000003506e0 [ 75.162321] Call Trace: [ 75.165062] ? execute_location+0x48/0x56 [ 75.169539] ? lkdtm_EXEC_STACK+0x26/0x40 [ 75.174013] ? direct_entry.cold+0x2c/0x38 [ 75.178589] ? full_proxy_write+0x56/0x80 [ 75.183066] ? vfs_write+0xea/0x390 [ 75.186963] ? ksys_write+0x68/0xe0 [ 75.190865] ? do_syscall_64+0x33/0x40 [ 75.195056] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 75.200903] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 75.216869] CR2: ffffba7e820d7e18 [ 75.220572] ---[ end trace 3fb4adc707f7a83d ]--- [ 75.225725] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 75.230107] Code: 59 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 2b 71 02 [ 75.251067] RSP: 0018:ffffba7e812f7e60 EFLAGS: 00010286 [ 75.256883] RAX: ffffffff91cb1930 RBX: 0000000000000001 RCX: 0000000000000000 [ 75.264840] RDX: 0000000000000000 RSI: ffffa0d6fbc1bf70 RDI: ffffffff928d9a70 [ 75.272791] RBP: ffffffff92d23350 R08: 0000000000000001 R09: 0000000000000001 [ 75.280742] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 75.288694] R13: ffffba7e812f7f10 R14: ffffba7e812f7f10 R15: ffffa0d6839a0000 [ 75.296651] FS: 00007f9f5420e580(0000) GS:ffffa0d6fbc80000(0000) knlGS:0000000000000000 [ 75.305669] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 75.312071] CR2: ffffba7e820d7e18 CR3: 0000000105bcc000 CR4: 00000000003506e0 00000000 RSI: ffffa0d6fbc1bf70 RDI: ffffffff928d9a70 # [ 74.445721] RBP: ffffffff92d23350 R08: 0000000000000001 R09: 0000000000000001 # [ 74.453672] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 74.461639] R13: ffffba7e812f7f10 R14: ffffba7e812f7f10 R15: ffffa0d6839a0000 # [ 74.469608] FS: 00007f3c007a2580(0000) GS:ffffa0d6fbd00000(0000) knlGS:0000000000000000 # [ 74.478643] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 74.485049] CR2: ffffffff943c4560 CR3: 00000001013f8000 CR4: 00000000003506e0 # [ 74.493007] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 74.502902] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1626, name: cat # [ 74.511339] INFO: lockdep is turned off. # [ 74.515711] irq event stamp: 0 # [ 74.519118] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 74.526111] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 74.535238] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 74.544360] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 74.551362] CPU: 2 PID: 1626 Comm: cat Tainted: G D W 5.10.131-cip13 #1 # [ 74.559999] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 74.566608] Call Trace: # [ 74.569347] dump_stack+0x77/0x97 # [ 74.573054] ___might_sleep.cold+0xa6/0xb6 # [ 74.577635] exit_signals+0x1c/0x2d0 # [ 74.581631] do_exit+0xd5/0xb00 # [ 74.585147] ? ksys_write+0x68/0xe0 # [ 74.589038] rewind_stack_do_exit+0x17/0x20 # [ 74.593702] RIP: 0033:0x7f3c006caf33 # [ 74.597692] 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 # [ 74.618642] RSP: 002b:00007ffefebb6a58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 74.627095] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f3c006caf33 # [ 74.635055] RDX: 000000000000000a RSI: 00007f3c005bb000 RDI: 0000000000000001 # [ 74.643011] RBP: 00007f3c005bb000 R08: 00007f3c005ba010 R09: 0000000000000000 # [ 74.650969] R10: 00007f3c007c51c0 R11: 0000000000000246 R12: 0000000000000001 # [ 74.658931] 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 # [ 74.961771] lkdtm: Performing direct entry [ 75.566998] lkdtm: Performing direct entry EXEC_KMALLOC [ 75.574237] lkdtm: attempting ok execution at ffffffff91cb1d00 [ 75.580778] lkdtm: attempting bad execution at ffffa0d684bd4f80 EXEC_STACK # [ 74.973282] lkdtm: attempting ok execution at f[ 75.587429] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 75.601957] BUG: unable to handle page fault for address: ffffa0d684bd4f80 [ 75.609629] #PF: supervisor instruction fetch in kernel mode [ 75.615939] #PF: error_code(0x0011) - permissions violation fffffff91cb1d00 # [ 74.979817] lkdtm: attempting bad executio[ 75.622152] PGD 59601067 P4D 59601067 PUD 1003ab063 PMD 104b26063 PTE 8000000104bd4163 [ 75.637197] Oops: 0011 [#7] SMP PTI [ 75.641097] CPU: 1 PID: 1698 Comm: cat Tainted: G D W 5.10.131-cip13 #1 [ 75.649751] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 75.656370] RIP: 0010:0xffffa0d684bd4f80 [ 75.660753] Code: ad de c0 16 08 84 d6 a0 ff ff 80 4c bd 84 d6 a0 ff ff 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 bb b6 4f 91 ff ff ff ff <0f> 1f 44 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 55 [ 75.681692] RSP: 0018:ffffba7e8217fe38 EFLAGS: 00010246 [ 75.687520] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 75.695478] RDX: 0000000000000000 RSI: ffffa0d6fbc9bf70 RDI: ffffa0d6fbc9bf70 [ 75.703437] RBP: ffffa0d684bd4f80 R08: 0000000000000000 R09: 0000000000000000 [ 75.711391] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d [ 75.719343] R13: ffffba7e8217ff10 R14: ffffba7e8217ff10 R15: ffffa0d684de1000 [ 75.727293] FS: 00007f045ffe6580(0000) GS:ffffa0d6fbc80000(0000) knlGS:0000000000000000 [ 75.736315] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 75.742728] CR2: ffffa0d684bd4f80 CR3: 0000000103f20000 CR4: 00000000003506e0 [ 75.750691] Call Trace: [ 75.753431] ? execute_location+0x48/0x56 [ 75.757907] ? lkdtm_EXEC_KMALLOC+0x2c/0x40 [ 75.762574] ? direct_entry.cold+0x2c/0x38 n [at ffffba7e820d7e18 # [ 74.986458] kernel tried to execute 75.767149] ? full_proxy_write+0x56/0x80 [ 75.777835] ? vfs_write+0xea/0x390 [ 75.781730] ? ksys_write+0x68/0xe0 [ 75.785628] ? do_syscall_64+0x33/0x40 [ 75.789812] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 75.795637] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 75.811571] CR2: ffffa0d684bd4f80 [ 75.815270] ---[ end trace 3fb4adc707f7a83e ]--- [ 75.820422] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 75.824796] Code: 59 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 2b 71 02 [ 75.845731] RSP: 0018:ffffba7e812f7e60 EFLAGS: 00010286 [ 75.851567] RAX: ffffffff91cb1930 RBX: 0000000000000001 RCX: 0000000000000000 [ 75.859536] RDX: 0000000000000000 RSI: ffffa0d6fbc1bf70 RDI: ffffffff928d9a70 [ 75.867507] RBP: ffffffff92d23350 R08: 0000000000000001 R09: 0000000000000001 [ 75.875480] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 75.883453] R13: ffffba7e812f7f10 R14: ffffba7e812f7f10 R15: ffffa0d6839a0000 [ 75.891426] FS: 00007f045ffe6580(0000) GS:ffffa0d6fbc80000(0000) knlGS:0000000000000000 [ 75.900463] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 75.906882] CR2: ffffa0d684bd4f80 CR3: 0000000103f20000 CR4: 00000000003506e0 [ 75.914850] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 75.924754] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1698, name: cat [ 75.933205] INFO: lockdep is turned off. [ 75.937580] irq event stamp: 0 [ 75.940983] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 75.947979] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 75.957111] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 75.966242] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 75.973241] CPU: 1 PID: 1698 Comm: cat Tainted: G D W 5.10.131-cip13 #1 [ 75.981893] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 75.988503] Call Trace: [ 75.991240] dump_stack+0x77/0x97 [ 75.994948] ___might_sleep.cold+0xa6/0xb6 [ 75.999531] exit_signals+0x1c/0x2d0 [ 76.003529] do_exit+0xd5/0xb00 [ 76.007041] ? ksys_write+0x68/0xe0 [ 76.010945] rewind_stack_do_exit+0x17/0x20 [ 76.015621] RIP: 0033:0x7f045ff0ef33 [ 76.019612] 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 [ 76.040558] RSP: 002b:00007ffdcb6cba08 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 76.049006] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007f045ff0ef33 [ 76.056971] RDX: 000000000000000d RSI: 00007f045fdff000 RDI: 0000000000000001 [ 76.064934] RBP: 00007f045fdff000 R08: 00007f045fdfe010 R09: 0000000000000000 [ 76.072900] R10: 00007f04600091c0 R11: 0000000000000246 R12: 0000000000000001 [ 76.080870] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 NX-protected page - exploit attempt? (uid: 0) # [ 75.000978] BUG: unable to handle page fault for address: ffffba7e820d7e18 # [ 75.008644] #PF: supervisor instruction fetch in kernel mode # [ 75.014950] #PF: error_code(0x0011) - permissions violation # [ 75.021159] PGD 100000067 P4D 100000067 PUD 100211067 PMD 103679067 PTE 8000000104bcc063 # [ 75.036399] Oops: 0011 [#6] SMP PTI # [ 75.040284] CPU: 1 PID: 1662 Comm: cat Tainted: G D W 5.10.131-cip13 #1 # [ 75.055105] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 75.061713] RIP: 0010:0xffffba7e820d7e18 # [ 75.072306] Code: 00 00 18 7e 0d 82 7e ba ff ff cb 5d 32 92 ff ff ff ff 20 00 00 00 00 00 00 00 16 80 cc 92 ff ff ff ff f7 5e 32 92 ff ff ff ff <0f> 1f 44 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 55 # [ 75.093272] RSP: 0018:ffffba7e820d7df8 EFLAGS: 00010246 # [ 75.099102] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 75.107074] RDX: 0000000000000000 RSI: ffffa0d6fbc9bf70 RDI: ffffa0d6fbc9bf70 # [ 75.115044] RBP: ffffba7e820d7e18 R08: 0000000000000000 R09: 0000000000000000 # [ 75.123007] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b # [ 75.130971] R13: ffffba7e820d7f10 R14: ffffba7e820d7f10 R15: ffffa0d683e29000 # [ 75.138934] FS: 00007f9f5420e580(0000) GS:ffffa0d6fbc80000(0000) knlGS:0000000000000000 # [ 75.147963] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 75.154365] CR2: ffffba7e820d7e18 CR3: 0000000105bcc000 CR4: 00000000003506e0 # [ 75.162321] Call Trace: # [ 75.165062] ? execute_location+0x48/0x56 # [ 75.169539] ? lkdtm_EXEC_STACK+0x26/0x40 # [ 75.174013] ? direct_entry.cold+0x2c/0x38 # [ 75.178589] ? full_proxy_write+0x56/0x80 # [ 75.183066] ? vfs_write+0xea/0x390 # [ 75.186963] ? ksys_write+0x68/0xe0 # [ 75.190865] ? do_syscall_64+0x33/0x40 # [ 75.195056] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 75.200903] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 75.216869] CR2: ffffba7e820d7e18 # [ 75.220572] ---[ end trace 3fb4adc707f7a83d ]--- # [ 75.225725] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 75.230107] Code: 59 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 2b 71 02 # [ 75.251067] RSP: 0018:ffffba7e812f7e60 EFLAGS: 00010286 # [ 75.256883] RAX: ffffffff91cb1930 RBX: 0000000000000001 RCX: 0000000000000000 # [ 75.264840] RDX: 0000000000000000 RSI: ffffa0d6fbc1bf70 RDI: ffffffff928d9a70 # [ 75.272791] RBP: ffffffff92d23350 R08: 0000000000000001 R09: 0000000000000001 # [ 75.280742] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000[ 76.363800] lkdtm: Performing direct entry EXEC_VMALLOC 000000004 # [ 75.288694] R13: ffffba7e812f7f10 R14: ffffba7e8[ 76.374455] lkdtm: attempting ok execution at ffffffff91cb1d00 12f7f10 R15: ffffa0d6839a0000 # [ 75.296651] FS: 00007f9f542[ 76.387190] lkdtm: attempting bad execution at ffffba7e8066b000 0e580(0000) GS:ffffa0d6fbc80000(0000) knlGS:0000000000000000 # [ 76.400032] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 76.414551] BUG: unable to handle page fault for address: ffffba7e8066b000 [ 76.422235] #PF: supervisor instruction fetch in kernel mode [ 76.428554] #PF: error_code(0x0011) - permissions violation [ 76.434781] PGD 100000067 P4D 100000067 PUD 100211067 PMD 1026fe067 PTE 8000000103c3f063 [ 76.443826] Oops: 0011 [#8] SMP PTI [ 76.447716] CPU: 3 PID: 1734 Comm: cat Tainted: G D W 5.10.131-cip13 #1 [ 76.456361] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 76.462982] RIP: 0010:0xffffba7e8066b000 [ 76.467368] Code: Unable to access opcode bytes at RIP 0xffffba7e8066afd6. [ 76.475047] RSP: 0018:ffffba7e8220fe38 EFLAGS: 00010246 [ 76.480881] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 76.488853] RDX: 0000000000000000 RSI: ffffa0d6fbd9bf70 RDI: ffffa0d6fbd9bf70 [ 76.496824] RBP: ffffba7e8066b000 R08: 0000000000000000 R09: 0000000000000000 [ 76.504777] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d [ 76.512740] R13: ffffba7e8220ff10 R14: ffffba7e8220ff10 R15: ffffa0d683c3f000 [ 76.520707] FS: 00007f6e57826580(0000) GS:ffffa0d6fbd80000(0000) knlGS:0000000000000000 [ 76.529743] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 76.536154] CR2: ffffba7e8066afd6 CR3: 0000000104cd4000 CR4: 00000000003506e0 [ 76.544116] Call Trace: [ 76.546857] ? execute_location+0x48/0x56 [ 76.551340] ? lkdtm_EXEC_VMALLOC+0x20/0x30 [ 76.556008] ? direct_entry.cold+0x2c/0x38 [ 76.560582] ? full_proxy_write+0x56/0x80 [ 76.565063] ? vfs_write+0xea/0x390 [ 76.568957] ? ksys_write+0x68/0xe0 [ 76.572856] ? do_syscall_64+0x33/0x40 [ 76.577040] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 76.582875] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 76.598829] CR2: ffffba7e8066b000 [ 76.602533] ---[ end trace 3fb4adc707f7a83f ]--- [ 76.607694] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 76.612066] Code: 59 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 2b 71 02 [ 76.633036] RSP: 0018:ffffba7e812f7e60 EFLAGS: 00010286 [ 76.638875] RAX: ffffffff91cb1930 RBX: 0000000000000001 RCX: 0000000000000000 [ 76.646837] RDX: 0000000000000000 RSI: ffffa0d6fbc1bf70 RDI: ffffffff928d9a70 [ 76.654808] RBP: ffffffff92d23350 R08: 0000000000000001 R09: 0000000000000001 [ 76.662779] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 76.670753] R13: ffffba7e812f7f10 R14: ffffba7e812f7f10 R15: ffffa0d6839a0000 [ 76.678728] FS: 00007f6e57826580(0000) GS:ffffa0d6fbd80000(0000) knlGS:0000000000000000 [ 76.687768] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 76.694182] CR2: ffffba7e8066afd6 CR3: 0000000104cd4000 CR4: 00000000003506e0 [ 75.305669] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 75.312071] CR2: ffffba7e820d7e18 CR3: 0000000105bcc000 CR4: 00000000003506e0 # EXEC_STACK: saw 'call trace:': ok ok 31 selftests: lkdtm: EXEC_STACK.sh # selftests: lkdtm: EXEC_KMALLOC.sh # Killed # [ 75.566998] lkdtm: Performing direct entry EXEC_KMALLOC # [ 75.574237] lkdtm: attempting ok execution at ffffffff91cb1d00 # [ 75.580778] lkdtm: attempting bad execution at ffffa0d684bd4f80 # [ 75.587429] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 75.601957] BUG: unable to handle page fault for address: ffffa0d684bd4f80 # [ 75.609629] #PF: supervisor instruction fetch in kernel mode # [ 75.615939] #PF: error_code(0x0011) - permissions violation # [ 75.622152] PGD 59601067 P4D 59601067 PUD 1003ab063 PMD 104b26063 PTE 8000000104bd4163 # [ 75.637197] Oops: 0011 [#7] SMP PTI # [ 75.641097] CPU: 1 PID: 1698 Comm: cat Tainted: G D W 5.10.131-cip13 #1 # [ 75.649751] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 75.656370] RIP: 0010:0xffffa0d684bd4f80 # [ 75.660753] Code: ad de c0 16 08 84 d6 a0 ff ff 80 4c bd 84 d6 a0 ff ff 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 bb b6 4f 91 ff ff ff ff <0f> 1f 44 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 55 # [ 75.681692] RSP: 0018:ffffba7e8217fe38 EFLAGS: 00010246 # [ 75.687520] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 75.695478] RDX: 0000000000000000 RSI: ffffa0d6fbc9bf70 RDI: ffffa0d6fbc9bf70 # [ 75.703437] RBP: ffffa0d684bd4f80 R08: 0000000000000000 R09: 0000000000000000 # [ 75.711391] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d # [ 75.719343] R13: ffffba7e8217ff10 R14: ffffba7e8217ff10 R15: ffffa0d684de1000 # [ 75.727293] FS: 00007f045ffe6580(0000) GS:ffffa0d6fbc80000(0000) knlGS:0000000000000000 # [ 75.736315] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 75.742728] CR2: ffffa0d684bd4f80 CR3: 0000000103f20000 CR4: 00000000003506e0 # [ 75.750691] Call Trace: # [ 75.753431] ? execute_location+0x48/0x56 # [ 75.757907] ? lkdtm_EXEC_KMALLOC+0x2c/0x40 # [ 75.762574] ? direct_entry.cold+0x2c/0x38 # [ 75.767149] ? full_proxy_write+0x56/0x80 # [ 75.777835] ? vfs_write+0xea/0x390 # [ 75.781730] ? ksys_write+0x68/0xe0 # [ 75.785628] ? do_syscall_64+0x33/0x40 # [ 75.789812] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 75.795637] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 75.811571] CR2: ffffa0d684bd4f80 # [ 75.815270] ---[ end trace 3fb4adc707f7a83e ]--- # [ 75.820422] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 75.824796] Code: 59 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 2b 71 02 # [ 75.845731] RSP: 0018:ffffba7e812f7e60 EFLAGS: 00010286 # [ 75.851567] RAX: ffffffff91cb1930 RBX: 0000000000000001 RCX: [ 77.004564] lkdtm: Performing direct entry EXEC_RODATA 0000000000000000 # [ 75.859536] RDX: 0000000000000000 RSI: ff[ 77.012287] lkdtm: attempting ok execution at ffffffff91cb1d00 ffa0d6fbc1bf70 RDI: ffffffff928d9a70 # [ 75.867507] RBP: ffff[ 77.025024] lkdtm: attempting bad execution at ffffffff928d9f00 ffff92d23350 R08: 0000000000000001 R09: 0000000000000001 # [ [ 77.037911] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 77.052394] BUG: unable to handle page fault for address: ffffffff928d9f00 [ 77.060066] #PF: supervisor instruction fetch in kernel mode [ 77.066386] #PF: error_code(0x0011) - permissions violation [ 77.072613] PGD 58029067 P4D 58029067 PUD 5802a063 PMD 8000000057a001e1 [ 77.080103] Oops: 0011 [#9] SMP PTI [ 77.083998] CPU: 3 PID: 1770 Comm: cat Tainted: G D W 5.10.131-cip13 #1 [ 77.092650] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 77.099274] RIP: 0010:lkdtm_rodata_do_nothing+0x0/0x10 [ 77.105018] Code: ff ff f7 72 32 92 ff ff ff ff 62 82 cc 92 ff ff ff ff ad 5a 32 92 ff ff ff ff 55 aa 55 aa 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 54 68 69 73 20 69 [ 77.125992] RSP: 0018:ffffba7e82287e48 EFLAGS: 00010246 [ 77.131833] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 [ 77.139808] RDX: 0000000000000000 RSI: ffffa0d6fbd9bf70 RDI: ffffa0d6fbd9bf70 [ 77.147781] RBP: ffffffff928d9f00 R08: 0000000000000000 R09: 0000000000000000 [ 77.155750] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c [ 77.163721] R13: ffffba7e82287f10 R14: ffffba7e82287f10 R15: ffffa0d683ed9000 [ 77.171695] FS: 00007f657db7c580(0000) GS:ffffa0d6fbd80000(0000) knlGS:0000000000000000 [ 77.180733] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 77.187145] CR2: ffffffff928d9f00 CR3: 0000000105aea000 CR4: 00000000003506e0 [ 77.195109] Call Trace: [ 77.197847] ? execute_location+0x48/0x56 [ 77.202321] ? direct_entry.cold+0x2c/0x38 [ 77.206904] ? full_proxy_write+0x56/0x80 [ 77.211381] ? vfs_write+0xea/0x390 [ 77.215273] ? ksys_write+0x68/0xe0 [ 77.219168] ? do_syscall_64+0x33/0x40 [ 77.223351] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 77.229198] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 77.245147] CR2: ffffffff928d9f00 [ 77.248846] ---[ end trace 3fb4adc707f7a840 ]--- [ 77.254000] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 77.258376] Code: 59 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 2b 71 02 [ 77.279344] RSP: 0018:ffffba7e812f7e60 EFLAGS: 00010286 [ 77.285185] RAX: ffffffff91cb1930 RBX: 0000000000000001 RCX: 0000000000000000 [ 77.293151] RDX: 0000000000000000 RSI: ffffa0d6fbc1bf70 RDI: ffffffff928d9a70 [ 77.301119] RBP: ffffffff92d23350 R08: 0000000000000001 R09: 0000000000000001 [ 77.309089] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 77.317061] R13: ffffba7e812f7f10 R14: ffffba7e812f7f10 R15: ffffa0d6839a0000 [ 77.325030] FS: 00007f657db7c580(0000) GS:ffffa0d6fbd80000(0000) knlGS:0000000000000000 [ 77.334059] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 77.340473] CR2: ffffffff928d9f00 CR3: 0000000105aea000 CR4: 00000000003506e0 [ 77.348444] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 77.358356] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1770, name: cat [ 77.366800] INFO: lockdep is turned off. [ 77.371178] irq event stamp: 0 [ 77.374587] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 77.381589] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 77.390722] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 77.399856] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 77.406858] CPU: 3 PID: 1770 Comm: cat Tainted: G D W 5.10.131-cip13 #1 [ 77.415510] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 77.422124] Call Trace: [ 77.424864] dump_stack+0x77/0x97 [ 77.428572] ___might_sleep.cold+0xa6/0xb6 [ 77.433148] exit_signals+0x1c/0x2d0 [ 77.437143] do_exit+0xd5/0xb00 [ 77.440649] ? ksys_write+0x68/0xe0 [ 77.444551] rewind_stack_do_exit+0x17/0x20 [ 77.449227] RIP: 0033:0x7f657daa4f33 [ 77.453222] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 77.474205] RSP: 002b:00007ffd8ecc9158 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 77.482657] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f657daa4f33 [ 77.490630] RDX: 000000000000000c RSI: 00007f657d995000 RDI: 0000000000000001 [ 77.498603] RBP: 00007f657d995000 R08: 00007f657d994010 R09: 0000000000000000 [ 77.506574] R10: 00007f657db9f1c0 R11: 0000000000000246 R12: 0000000000000001 [ 77.514539] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 75.875480] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 75.883453] R13: ffffba7e812f7f10 R14: ffffba7e812f7f10 R15: ffffa0d6839a0000 # [ 75.891426] FS: 00007f045ffe6580(0000) GS:ffffa0d6fbc80000(0000) knlGS:0000000000000000 # [ 75.900463] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 75.906882] CR2: ffffa0d684bd4f80 CR3: 0000000103f20000 CR4: 00000000003506e0 # [ 75.914850] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 75.924754] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1698, name: cat # [ 75.933205] INFO: lockdep is turned off. # [ 75.937580] irq event stamp: 0 # [ 75.940983] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 75.947979] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 75.957111] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 75.966242] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 75.973241] CPU: 1 PID: 1698 Comm: cat Tainted: G D W 5.10.131-cip13 #1 # [ 75.981893] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 75.988503] Call Trace: # [ 75.991240] dump_stack+0x77/0x97 # [ 75.994948] ___might_sleep.cold+0xa6/0xb6 # [ 75.999531] exit_signals+0x1c/0x2d0 # [ 76.003529] do_exit+0xd5/0xb00 # [ 76.007041] ? ksys_write+0x68/0xe0 # [ 76.010945] rewind_stack_do_exit+0x17/0x20 # [ 76.015621] RIP: 0033:0x7f045ff0ef33 # [ 76.019612] 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 # [ 76.040558] RSP: 002b:00007ffdcb6cba08 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 76.049006] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007f045ff0ef33 # [ 76.056971] RDX: 000000000000000d RSI: 00007f045fdff000 RDI: 0000000000000001 # [ 76.064934] RBP: 00007f045fdff000 R08: 00007f045fdfe010 R09: 0000000000000000 # [ 76.072900] R10: 00007f04600091c0 R11: 0000000000000246 R12: 0000000000000001 # [ 76.080870] 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 # [ 76.363800] lkdtm: Performing direct entry EXEC_VMALLOC # [ 76.374455] lkdtm: attempting ok execution at ffffffff91cb1d00 # [ 76.387190] lkdtm: attempting bad execution at ffffba7e8066b000 # [ 76.400032] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 76.414551] BUG: unable to handle page fault for address: ffffba7e8066b000 # [ 76.422235] #PF: supervisor instruction fetch in kernel mode # [ 76.428554] #PF: error_code(0x0011) - permissions violation # [ 76.434781] PGD 100000067 P4D 100000067 PUD 100211067 PMD 1026fe067 PTE 8000000103c3f063 # [ 76.443826] Oops: 0011 [#8] SMP PTI # [ 76.447716] CPU: 3 PID: 1734 Comm: cat Tainted: G D W 5.10.131-cip13 #1 # [ 76.456361] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 76.462982] RIP: 0010:0xffffba7e8066b000 # [ 76.467368] Code: Unable to access opcode bytes at RIP 0xffffba7e8066afd6. # [ 76.475047] RSP: 0018:ffffba7e8220fe38 EFLAGS: 00010246 # [ 76.480881] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 76.488853] RDX: 0000000000000000 RSI: ffffa0d6fbd9bf70 RDI: ffffa0d6fbd9bf70 # [ 76.496824] RBP: ffffba7e8066b000 R08: 0000000000000000 R09: 0000000000000000 # [ 76.504777] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d # [ 76.[ 77.881013] lkdtm: Performing direct entry EXEC_USERSPACE [ 77.888987] lkdtm: attempting ok execution at ffffffff91cb1d00 [ 77.895579] lkdtm: attempting bad execution at 00007f0dc71be000 [ 77.902243] unable to execute userspace code (SMEP?) (uid: 0) [ 77.908668] BUG: unable to handle page fault for address: 00007f0dc71be000 [ 77.916353] #PF: supervisor instruction fetch in kernel mode [ 77.922674] #PF: error_code(0x0011) - permissions violation [ 77.928898] PGD 8000000103e3a067 P4D 8000000103e3a067 PUD 103f7c067 PMD 10363f067 PTE 10e126067 [ 77.938631] Oops: 0011 [#10] SMP PTI [ 77.942628] CPU: 1 PID: 1806 Comm: cat Tainted: G D W 5.10.131-cip13 #1 [ 77.951275] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 77.957896] RIP: 0010:0x7f0dc71be000 [ 77.961884] Code: Unable to access opcode bytes at RIP 0x7f0dc71bdfd6. [ 77.969196] RSP: 0018:ffffba7e82307e50 EFLAGS: 00010246 512740] R13: ffffba7e8220ff10 R14: ffffba7e8220ff10 R15: ffffa0d[ 77.975036] RAX: 0000000000000033 RBX: 0000000000000024 RCX: 0000000000000000 [ 77.989210] RDX: 0000000000000000 RSI: ffffa0d6fbc9bf70 RDI: ffffa0d6fbc9bf70 [ 77.997179] RBP: 00007f0dc71be000 R08: 0000000000000000 R09: 0000000000000000 [ 78.005151] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000f [ 78.013129] R13: ffffba7e82307f10 R14: ffffba7e82307f10 R15: ffffa0d684cc8000 [ 78.021102] FS: 00007f0dc718f580(0000) GS:ffffa0d6fbc80000(0000) knlGS:0000000000000000 [ 78.030136] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 78.036549] CR2: 00007f0dc71be000 CR3: 000000010409a000 CR4: 00000000003506e0 [ 78.044511] Call Trace: [ 78.047255] ? lkdtm_EXEC_USERSPACE.cold+0x69/0xae [ 78.052611] ? direct_entry.cold+0x2c/0x38 [ 78.057197] ? full_proxy_write+0x56/0x80 [ 78.061683] ? vfs_write+0xea/0x390 [ 78.065582] ? ksys_write+0x68/0xe0 [ 78.069486] ? do_syscall_64+0x33/0x40 [ 78.073677] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 78.079520] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 78.095483] CR2: 00007f0dc71be000 [ 78.099190] ---[ end trace 3fb4adc707f7a841 ]--- [ 78.104356] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 78.108741] Code: 59 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 2b 71 02 [ 78.129724] RSP: 0018:ffffba7e812f7e60 EFLAGS: 00010286 [ 78.135555] RAX: ffffffff91cb1930 RBX: 0000000000000001 RCX: 0000000000000000 [ 78.143516] RDX: 0000000000000000 RSI: ffffa0d6fbc1bf70 RDI: ffffffff928d9a70 [ 78.151483] RBP: ffffffff92d23350 R08: 0000000000000001 R09: 0000000000000001 [ 78.159451] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 78.167421] R13: ffffba7e812f7f10 R14: ffffba7e812f7f10 R15: ffffa0d6839a0000 [ 78.175394] FS: 00007f0dc718f580(0000) GS:ffffa0d6fbc80000(0000) knlGS:0000000000000000 [ 78.184437] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 78.190858] CR2: 00007f0dc71be000 CR3: 000000010409a000 CR4: 00000000003506e0 [ 78.198834] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 78.208752] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1806, name: cat [ 78.217211] INFO: lockdep is turned off. [ 78.221591] irq event stamp: 0 [ 78.225002] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 78.232014] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 78.241158] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 78.250299] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 78.257303] CPU: 1 PID: 1806 Comm: cat Tainted: G D W 5.10.131-cip13 #1 [ 78.265956] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 78.272567] Call Trace: [ 78.275304] dump_stack+0x77/0x97 [ 78.279014] ___might_sleep.cold+0xa6/0xb6 [ 78.283596] exit_signals+0x1c/0x2d0 [ 78.287593] do_exit+0xd5/0xb00 [ 78.291106] ? ksys_write+0x68/0xe0 [ 78.295009] rewind_stack_do_exit+0x17/0x20 [ 78.299682] RIP: 0033:0x7f0dc70b7f33 [ 78.303677] 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 [ 78.324654] RSP: 002b:00007fffe8c89448 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 78.333102] RAX: ffffffffffffffda RBX: 000000000000000f RCX: 00007f0dc70b7f33 [ 78.341064] RDX: 000000000000000f RSI: 00007f0dc6fa8000 RDI: 0000000000000001 [ 78.349025] RBP: 00007f0dc6fa8000 R08: 00007f0dc6fa7010 R09: 0000000000000000 [ 78.356993] R10: 00007f0dc71b21c0 R11: 0000000000000246 R12: 0000000000000001 [ 78.364962] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 683c3f000 # [ 76.520707] FS: 00007f6e57826580(0000) GS:ffffa0d6fbd80000(0000) knlGS:0000000000000000 # [ 76.529743] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 76.536154] CR2: ffffba7e8066afd6 CR3: 0000000104cd4000 CR4: 00000000003506e0 # [ 76.544116] Call Trace: # [ 76.546857] ? execute_location+0x48/0x56 # [ 76.551340] ? lkdtm_EXEC_VMALLOC+0x20/0x30 # [ 76.556008] ? direct_entry.cold+0x2c/0x38 # [ 76.560582] ? full_proxy_write+0x56/0x80 # [ 76.565063] ? vfs_write+0xea/0x390 # [ 76.568957] ? ksys_write+0x68/0xe0 # [ 76.572856] ? do_syscall_64+0x33/0x40 # [ 76.577040] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 76.582875] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 76.598829] CR2: ffffba7e8066b000 # [ 76.602533] ---[ end trace 3fb4adc707f7a83f ]--- # [ 76.607694] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 76.612066] Code: 59 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 2b 71 02 # [ 76.633036] RSP: 0018:ffffba7e812f7e60 EFLAGS: 00010286 # [ 76.638875] RAX: ffffffff91cb1930 RBX: 0000000000000001 RCX: 0000000000000000 # [ 76.646837] RDX: 0000000000000000 RSI: ffffa0d6fbc1bf70 RDI: ffffffff928d9a70 # [ 76.654808] RBP: ffffffff92d23350 R08: 0000000000000001 R09: 0000000000000001 # [ 76.662779] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 76.670753] R13: ffffba7e812f7f10 R14: ffffba7e812f7f10 R15: ffffa0d6839a0000 # [ 76.678728] FS: 00007f6e57826580(0000) GS:ffffa0d6fbd80000(0000) knlGS:0000000000000000 # [ 76.687768] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 76.694182] CR2: ffffba7e8066afd6 CR3: 0000000104cd4000 CR4: 00000000003506e0 # EXEC_VMALLOC: saw 'call trace:': ok ok 33 selftests: lkdtm: EXEC_VMALLOC.sh # selftests: lkdtm: EXEC_RODATA.sh # Killed # [ 77.004564] lkdtm: Performing direct entry EXEC_RODATA # [ 77.012287] lkdtm: attempting ok execution at ffffffff91cb1d00 # [ 77.025024] lkdtm: attempting bad execution at ffffffff928d9f00 # [ 77.037911] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 77.052394] BUG: unable to handle page fault for address: ffffffff928d9f00 # [ 77.060066] #PF: supervisor instruction fetch in kernel mode # [ 77.066386] #PF: error_code(0x0011) - permissions violation # [ 77.072613] PGD 58029067 P4D 58029067 PUD 5802a063 PMD 8000000057a001e1 # [ 77.080103] Oops: 0011 [#9] SMP PTI # [ 77.083998] CPU: 3 PID: 1770 Comm: cat Tainted: G D W 5.10.131-cip13 #1 # [ 77.092650] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 77.099274] RIP: 0010:lkdtm_rodata_do_nothing+0x0/0x10 # [ 77.105018] Code: ff ff f7 72 32 92 ff ff ff ff 62 82 cc 92 ff ff ff ff ad 5a 32 92 ff ff ff ff 55 aa 5[ 78.663345] lkdtm: Performing direct entry EXEC_NULL [ 78.670612] lkdtm: attempting ok execution at ffffffff91cb1d00 5 aa 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 78.677184] lkdtm: attempting bad execution at 0000000000000000 00 00 00 00 00 00 00 00 00 54 68 69 73 20 69 # [ 77.125992] R[ 78.690027] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 78.703978] #PF: supervisor instruction fetch in kernel mode SP: 0018:ffffba7e82287e48 EFLAGS: 00010246 # [ 77.131833] RAX[ 78.710302] #PF: error_code(0x0010) - not-present page : [0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 78.722223] PGD 0 P4D 0 [ 78.731274] Oops: 0010 [#11] SMP PTI # [ 77.139808] RDX: 0000000000000000 RSI: ffffa0d6fbd9bf70 RDI[ 78.735270] CPU: 0 PID: 1842 Comm: cat Tainted: G D W 5.10.131-cip13 #1 [ 78.750127] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 78.756744] RIP: 0010:0x0 [ 78.759675] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6. [ 78.767354] RSP: 0018:ffffba7e82387e48 EFLAGS: 00010246 [ 78.773189] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 [ 78.781158] RDX: 0000000000000000 RSI: ffffa0d6fbc1bf70 RDI: ffffa0d6fbc1bf70 [ 78.789131] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 78.797102] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a [ 78.805074] R13: ffffba7e82387f10 R14: ffffba7e82387f10 R15: ffffa0d683264000 [ 78.813048] FS: 00007fc954368580(0000) GS:ffffa0d6fbc00000(0000) knlGS:0000000000000000 [ 78.822089] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 78.828509] CR2: ffffffffffffffd6 CR3: 0000000102c94000 CR4: 00000000003506f0 [ 78.836484] Call Trace: [ 78.839229] execute_location+0x48/0x56 [ 78.843522] direct_entry.cold+0x2c/0x38 [ 78.847914] full_proxy_write+0x56/0x80 [ 78.852205] vfs_write+0xea/0x390 [ 78.855911] ksys_write+0x68/0xe0 [ 78.859622] do_syscall_64+0x33/0x40 [ 78.863618] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 78.869254] RIP: 0033:0x7fc954290f33 [ 78.873251] 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 [ 78.894236] RSP: 002b:00007ffde04427e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 78.902690] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fc954290f33 [ 78.910659] RDX: 000000000000000a RSI: 00007fc954181000 RDI: 0000000000000001 [ 78.918629] RBP: 00007fc954181000 R08: 00007fc954180010 R09: 0000000000000000 [ 78.926602] R10: 00007fc95438b1c0 R11: 0000000000000246 R12: 0000000000000001 [ 78.934572] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 : ffffa0d6fbd9bf70 # [ 77.147781] RBP: ffffffff928d9f00 R08: [ 78.942555] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 78.964730] CR2: 0000000000000000 [ 78.968434] ---[ end trace 3fb4adc707f7a842 ]--- [ 78.973598] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 78.977980] Code: 59 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 2b 71 02 [ 78.998967] RSP: 0018:ffffba7e812f7e60 EFLAGS: 00010286 [ 79.004805] RAX: ffffffff91cb1930 RBX: 0000000000000001 RCX: 0000000000000000 [ 79.012779] RDX: 0000000000000000 RSI: ffffa0d6fbc1bf70 RDI: ffffffff928d9a70 [ 79.020751] RBP: ffffffff92d23350 R08: 0000000000000001 R09: 0000000000000001 [ 79.028721] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 79.036696] R13: ffffba7e812f7f10 R14: ffffba7e812f7f10 R15: ffffa0d6839a0000 [ 79.044669] FS: 00007fc954368580(0000) GS:ffffa0d6fbc00000(0000) knlGS:0000000000000000 [ 79.053712] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 79.060129] CR2: ffffffffffffffd6 CR3: 0000000102c94000 CR4: 00000000003506f0 0000000000000000 R09: 0000000000000000 # [ 77.155750] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c # [ 77.163721] R13: ffffba7e82287f10 R14: ffffba7e82287f10 R15: ffffa0d683ed9000 # [ 77.171695] FS: 00007f657db7c580(0000) GS:ffffa0d6fbd80000(0000) knlGS:0000000000000000 # [ 77.180733] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 77.187145] CR2: ffffffff928d9f00 CR3: 0000000105aea000 CR4: 00000000003506e0 # [ 77.195109] Call Trace: # [ 77.197847] ? execute_location+0x48/0x56 # [ 77.202321] ? direct_entry.cold+0x2c/0x38 # [ 77.206904] ? full_proxy_write+0x56/0x80 # [ 77.211381] ? vfs_write+0xea/0x390 # [ 77.215273] ? ksys_write+0x68/0xe0 # [ 77.219168] ? do_syscall_64+0x33/0x40 # [ 77.223351] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 77.229198] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 77.245147] CR2: ffffffff928d9f00 # [ 77.248846] ---[ end trace 3fb4adc707f7a840 ]--- # [ 77.254000] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 77.258376] Code: 59 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 2b 71 02 # [ 77.279344] RSP: 0018:ffffba7e812f7e60 EFLAGS: 00010286 # [ 77.285185] RAX: ffffffff91cb1930 RBX: 0000000000000001 RCX: 0000000000000000 # [ 77.293151] RDX: 0000000000000000 RSI: ffffa0d6fbc1bf70 RDI: ffffffff928d9a70 # [ 77.301119] RBP: ffffffff92d23350 R08: 0000000000000001 R09: 0000000000000001 # [ 77.309089] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 77.317061] R13: ffffba7e812f7f10 R14: ffffba7e812f7f10 R15: ffffa0d6839a0000 # [ 77.325030] FS: 00007f657db7c580(0000) GS:ffffa0d6fbd80000(0000) knlGS:0000000000000000 # [ 77.334059] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 77.340473] CR2: ffffffff928d9f00 CR3: 0000000105aea000 CR4: 00000000003506e0 # [ 77.348444] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 77.358356] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1770, name: cat # [ 77.366800] INFO: lockdep is turned off. # [ 77.371178] irq event stamp: 0 # [ 77.374587] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 77.381589] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 77.390722] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 77.399856] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 77.406858] CPU: 3 PID: 1770 Comm: cat Tainted: G D W 5.10.131-cip13 #1 # [ 77.415510] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 77.422124] Call Trace: # [ 77.424864] dump_stack+0x77/0x97 # [ 77.428572] ___might_sleep.cold+0xa6/0xb6 # [ 77.433148] exit_signals+0x1c[ 79.356667] lkdtm: Performing direct entry ACCESS_USERSPACE [ 79.366299] lkdtm: attempting bad read at 00007fa349196000 [ 79.372493] BUG: unable to handle page fault for address: 00007fa349196000 [ 79.380177] #PF: supervisor read access in kernel mode [ 79.385912] #PF: error_code(0x0001) - permissions violation [ 79.392131] PGD 8000000103e15067 P4D 8000000103e15067 PUD 1040bd067 PMD 1058a0067 PTE 10b6e9067 [ 79.401869] Oops: 0001 [#12] SMP PTI [ 79.405862] CPU: 1 PID: 1877 Comm: cat Tainted: G D W 5.10.131-cip13 #1 [ 79.414516] Hardware name: Google Coral/Coral, BIOS 09/29/2020 /0x2d0 # [ 77.437143] do_exit+0xd5/0xb00 # [ 77.440649] [ 79.421133] RIP: 0010:lkdtm_ACCESS_USERSPACE.cold+0x3d/0x9f [ 79.433573] Code: 2b 04 25 28 00 00 00 75 60 48 83 c4 10 5d c3 48 89 ee 48 c7 c7 80 8f cc 92 e8 55 9d fd ff 48 c7 c7 a8 8f cc 92 b8 de c0 de c0 <48> 03 45 00 48 89 04 24 e8 3c 9d fd ff 48 89 ee 48 c7 c7 d0 8f cc [ 79.454545] RSP: 0018:ffffba7e823efe48 EFLAGS: 00010246 [ 79.460371] RAX: 00000000c0dec0de RBX: 0000000000000026 RCX: 0000000000000000 [ 79.468336] RDX: 0000000000000000 RSI: ffffa0d6fbc9bf70 RDI: ffffffff92cc8fa8 [ 79.476308] RBP: 00007fa349196000 R08: 0000000000000000 R09: 0000000000000000 [ 79.484278] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000011 [ 79.492243] R13: ffffba7e823eff10 R14: ffffba7e823eff10 R15: ffffa0d6826fc000 [ 79.500204] FS: 00007fa349167580(0000) GS:ffffa0d6fbc80000(0000) knlGS:0000000000000000 [ 79.509236] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 79.515652] CR2: 00007fa349196000 CR3: 000000010360c000 CR4: 00000000003506e0 [ 79.523613] Call Trace: [ 79.526356] direct_entry.cold+0x2c/0x38 [ 79.530748] full_proxy_write+0x56/0x80 [ 79.535024] vfs_write+0xea/0x390 [ 79.538723] ksys_write+0x68/0xe0 [ 79.542430] do_syscall_64+0x33/0x40 [ 79.546419] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 79.552054] RIP: 0033:0x7fa34908ff33 [ 79.556048] 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 [ 79.576991] RSP: 002b:00007ffca3a60d98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 79.585443] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007fa34908ff33 [ 79.593410] RDX: 0000000000000011 RSI: 00007fa348f80000 RDI: 0000000000000001 [ 79.601383] RBP: 00007fa348f80000 R08: 00007fa348f7f010 R09: 0000000000000000 [ 79.609348] R10: 00007fa34918a1c0 R11: 0000000000000246 R12: 0000000000000001 [ 79.617320] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 79.625301] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 79.641262] CR2: 00007fa349196000 [ 79.644969] ---[ end trace 3fb4adc707f7a843 ]--- [ 79.650123] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 79.654490] Code: 59 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 2b 71 02 [ 79.675429] RSP: 0018:ffffba7e812f7e60 EFLAGS: 00010286 [ 79.681257] RAX: ffffffff91cb1930 RBX: 0000000000000001 RCX: 0000000000000000 [ 79.689208] RDX: 0000000000000000 RSI: ffffa0d6fbc1bf70 RDI: ffffffff928d9a70 [ 79.697166] RBP: ffffffff92d23350 R08: 0000000000000001 R09: 0000000000000001 [ 79.705123] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 79.713081] R13: ffffba7e812f7f10 R14: ffffba7e812f7f10 R15: ffffa0d6839a0000 [ 79.721039] FS: 00007fa349167580(0000) GS:ffffa0d6fbc80000(0000) knlGS:0000000000000000 [ 79.730064] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 79.736482] CR2: 00007fa349196000 CR3: 000000010360c000 CR4: 00000000003506e0 [ 79.744455] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 79.754363] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1877, name: cat [ 79.762818] INFO: lockdep is turned off. [ 79.767197] irq event stamp: 0 [ 79.770608] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 79.777614] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 79.786743] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 79.795875] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 79.802877] CPU: 1 PID: 1877 Comm: cat Tainted: G D W 5.10.131-cip13 #1 [ 79.811521] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 79.818124] Call Trace: [ 79.820858] dump_stack+0x77/0x97 [ 79.824566] ___might_sleep.cold+0xa6/0xb6 [ 79.829146] exit_signals+0x1c/0x2d0 [ 79.833142] do_exit+0xd5/0xb00 [ 79.836651] ? ksys_write+0x68/0xe0 [ 79.840545] rewind_stack_do_exit+0x17/0x20 [ 79.845214] RIP: 0033:0x7fa34908ff33 [ 79.849208] 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 [ 79.870182] RSP: 002b:00007ffca3a60d98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 79.878626] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007fa34908ff33 [ 79.886596] RDX: 0000000000000011 RSI: 00007fa348f80000 RDI: 0000000000000001 [ 79.894565] RBP: 00007fa348f80000 R08: 00007fa348f7f010 R09: 0000000000000000 [ 79.902530] R10: 00007fa34918a1c0 R11: 0000000000000246 R12: 0000000000000001 [ 79.910488] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ? ksys_write+0x68/0xe0 # [ 77.444551] rewind_stack_do_exit+0x17/0x20 # [ 77.449227] RIP: 0033:0x7f657daa4f33 # [ 77.453222] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 77.474205] RSP: 002b:00007ffd8ecc9158 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 77.482657] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f657daa4f33 # [ 77.490630] RDX: 000000000000000c RSI: 00007f657d995000 RDI: 0000000000000001 # [ 77.498603] RBP: 00007f657d995000 R08: 00007f657d994010 R09: 0000000000000000 # [ 77.506574] R10: 00007f657db9f1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 77.514539] 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 # [ 77.881013] lkdtm: Performing direct entry EXEC_USERSPACE # [ 77.888987] lkdtm: attempting ok execution at ffffffff91cb1d00 # [ 77.895579] lkdtm: attempting bad execution at 00007f0dc71be000 # [ 77.902243] unable to execute userspace code (SMEP?) (uid: 0) # [ 77.908668] BUG: unable to handle page fault for address: 00007f0dc71be000 # [ 77.916353] #PF: supervisor instruction fetch in kernel mode # [ 77.922674] #PF: error_code(0x0011) - permissions violation # [ 77.928898] PGD 8000000103e3a067 P4D 8000000103e3a067 PUD 103f7c067 PMD 10363f067 PTE 10e126067 # [ 77.938631] Oops: 0011 [#10] SMP PTI # [ 77.942628] CPU: 1 PID: 1806 Comm: cat Tainted: G D W 5.10.131-cip13 #1 # [ 77.951275] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 77.957896] RIP: 0010:0x7f0dc71be000 # [ 77.961884] Code: Unable to access opcode bytes at RIP 0x7f0dc71bdfd6. # [ 77.969196] RSP: 0018:ffffba7e82307e50 EFLAGS: 00010246 # [ 77.975036] RAX: 0000000000000033 RBX: 0000000000000024 RCX: 0000000000000000 # [ 77.989210] RDX: 0000000000000000 RSI: ffffa0d6fbc9bf70 RDI: ffffa0d6fbc9bf70 # [ 77.997179] RBP: 00007f0dc71be000 R08: 0000000000000000 R09: 0000000000000000 # [ 78.005151] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000f # [ 78.013129] R13: ffffba7e82307f10 R14: ffffba7e82307f10 R15: ffffa0d684cc8000 # [ 78.021102] FS: 00007f0dc718f580(0000) GS:ffffa0d6fbc80000(0000) knlGS:0000000000000000 # [ 78.030136] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 78.036549] CR2: 00007f0dc71be000 CR3: 000000010409a000 CR4: 00000000003506e0 # [ 78.044511] Call Trace: # [ 78.047255] ? lkdtm_EXEC_USERSPACE.cold+0x69/0xae # [ 78.052611] ? direct_entry.cold+0x2c/0x38 # [ 78.057197] ? full_proxy_write+0x56/0x80 # [ 78.061683] ? vfs_write+0xea/0x390 # [ 78.065582] ? ksys_write+0x68/0xe0 # [ 78.069486] ? do_syscall_64+0x33/0x40 # [ 78.073677] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 78.079520] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros[ 80.215839] lkdtm: Performing direct entry ACCESS_NULL [ 80.222343] lkdtm: attempting bad read at 0000000000000000 [ 80.228505] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 80.236278] #PF: supervisor read access in kernel mode [ 80.242010] #PF: error_code(0x0000) - not-present page _ec_chardev cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cro[ 80.247747] PGD 0 P4D 0 [ 80.256770] Oops: 0000 [#13] SMP PTI [ 80.260763] CPU: 1 PID: 1912 Comm: cat Tainted: G D W 5.10.131-cip13 #1 [ 80.269414] Hardware name: Google Coral/Coral, BIOS 09/29/2020 s_usbpd_notify # [ 78.095483] CR2: 00007f0dc71be000 # [ 78[ 80.276029] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53 [ 80.287490] Code: f9 9c fd ff be 00 10 00 00 48 89 ef e8 d6 e7 3c ff e9 6d ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 80 8f cc 92 e8 d3 9c fd ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 a8 8f cc 92 48 01 [ 80.308425] RSP: 0018:ffffba7e82497e58 EFLAGS: 00010246 [ 80.314250] RAX: 000000000000002e RBX: 0000000000000027 RCX: 0000000000000000 [ 80.322211] RDX: 0000000000000000 RSI: ffffa0d6fbc9bf70 RDI: ffffa0d6fbc9bf70 [ 80.330170] RBP: ffffffff92cc8071 R08: 0000000000000000 R09: 0000000000000000 [ 80.338134] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c [ 80.346096] R13: ffffba7e82497f10 R14: ffffba7e82497f10 R15: ffffa0d684b83000 [ 80.354053] FS: 00007f25ce5a4580(0000) GS:ffffa0d6fbc80000(0000) knlGS:0000000000000000 [ 80.363079] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 80.369486] CR2: 0000000000000000 CR3: 000000010360c000 CR4: 00000000003506e0 [ 80.377453] Call Trace: [ 80.380195] direct_entry.cold+0x2c/0x38 [ 80.384582] full_proxy_write+0x56/0x80 [ 80.388868] vfs_write+0xea/0x390 [ 80.392574] ksys_write+0x68/0xe0 [ 80.396278] do_syscall_64+0x33/0x40 [ 80.400265] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 80.405901] RIP: 0033:0x7f25ce4ccf33 [ 80.409888] 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 [ 80.430819] RSP: 002b:00007ffde60d96e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 80.439262] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f25ce4ccf33 [ 80.447223] RDX: 000000000000000c RSI: 00007f25ce3bd000 RDI: 0000000000000001 [ 80.455182] RBP: 00007f25ce3bd000 R08: 00007f25ce3bc010 R09: 0000000000000000 [ 80.463137] R10: 00007f25ce5c71c0 R11: 0000000000000246 R12: 0000000000000001 [ 80.471093] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 80.479068] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 80.495018] CR2: 0000000000000000 [ 80.498722] ---[ end trace 3fb4adc707f7a844 ]--- [ 80.503886] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 80.508269] Code: 59 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 2b 71 02 [ 80.529239] RSP: 0018:ffffba7e812f7e60 EFLAGS: 00010286 [ 80.535074] RAX: ffffffff91cb1930 RBX: 0000000000000001 RCX: 0000000000000000 [ 80.543034] RDX: 0000000000000000 RSI: ffffa0d6fbc1bf70 RDI: ffffffff928d9a70 [ 80.550999] RBP: ffffffff92d23350 R08: 0000000000000001 R09: 0000000000000001 [ 80.558957] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 80.566916] R13: ffffba7e812f7f10 R14: ffffba7e812f7f10 R15: ffffa0d6839a0000 [ 80.574887] FS: 00007f25ce5a4580(0000) GS:ffffa0d6fbc80000(0000) knlGS:0000000000000000 [ 80.583911] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 80.590314] CR2: 0000000000000000 CR3: 000000010360c000 CR4: 00000000003506e0 [ 80.598282] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 80.608178] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1912, name: cat [ 80.616627] INFO: lockdep is turned off. [ 80.621005] irq event stamp: 0 [ 80.624417] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 80.631420] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 80.640555] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 80.649678] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 80.656669] CPU: 1 PID: 1912 Comm: cat Tainted: G D W 5.10.131-cip13 #1 [ 80.665304] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 80.671909] Call Trace: [ 80.674642] dump_stack+0x77/0x97 [ 80.678348] ___might_sleep.cold+0xa6/0xb6 [ 80.682924] exit_signals+0x1c/0x2d0 [ 80.686914] do_exit+0xd5/0xb00 [ 80.690419] ? ksys_write+0x68/0xe0 [ 80.694315] rewind_stack_do_exit+0x17/0x20 [ 80.698983] RIP: 0033:0x7f25ce4ccf33 [ 80.702963] 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 [ 80.723936] RSP: 002b:00007ffde60d96e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 80.732390] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f25ce4ccf33 [ 80.740357] RDX: 000000000000000c RSI: 00007f25ce3bd000 RDI: 0000000000000001 [ 80.748329] RBP: 00007f25ce3bd000 R08: 00007f25ce3bc010 R09: 0000000000000000 [ 80.756300] R10: 00007f25ce5c71c0 R11: 0000000000000246 R12: 0000000000000001 [ 80.764273] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 .099190] ---[ end trace 3fb4adc707f7a841 ]--- # [ 78.104356] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 78.108741] Code: 59 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 2b 71 02 # [ 78.129724] RSP: 0018:ffffba7e812f7e60 EFLAGS: 00010286 # [ 78.135555] RAX: ffffffff91cb1930 RBX: 0000000000000001 RCX: 0000000000000000 # [ 78.143516] RDX: 0000000000000000 RSI: ffffa0d6fbc1bf70 RDI: ffffffff928d9a70 # [ 78.151483] RBP: ffffffff92d23350 R08: 0000000000000001 R09: 0000000000000001 # [ 78.159451] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 78.167421] R13: ffffba7e812f7f10 R14: ffffba7e812f7f10 R15: ffffa0d6839a0000 # [ 78.175394] FS: 00007f0dc718f580(0000) GS:ffffa0d6fbc80000(0000) knlGS:0000000000000000 # [ 78.184437] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 78.190858] CR2: 00007f0dc71be000 CR3: 000000010409a000 CR4: 00000000003506e0 # [ 78.198834] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 78.208752] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1806, name: cat # [ 78.217211] INFO: lockdep is turned off. # [ 78.221591] irq event stamp: 0 # [ 78.225002] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 78.232014] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 78.241158] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 78.250299] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 78.257303] CPU: 1 PID: 1806 Comm: cat Tainted: G D W 5.10.131-cip13 #1 # [ 78.265956] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 78.272567] Call Trace: # [ 78.275304] dump_stack+0x77/0x97 # [ 78.279014] ___might_sleep.cold+0xa6/0xb6 # [ 78.283596] exit_signals+0x1c/0x2d0 # [ 78.287593] do_exit+0xd5/0xb00 # [ 78.291106] ? ksys_write+0x68/0xe0 # [ 78.295009] rewind_stack_do_exit+0x17/0x20 # [ 78.299682] RIP: 0033:0x7f0dc70b7f33 # [ 78.303677] 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 # [ 78.324654] RSP: 002b:00007fffe8c89448 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 78.333102] RAX: ffffffffffffffda RBX: 000000000000000f RCX: 00007f0dc70b7f33 # [ 78.341064] RDX: 000000000000000f RSI: 00007f0dc6fa8000 RDI: 0000000000000001 # [ 78.349025] RBP: 00007f0dc6fa8000 R08: 00007f0dc6fa7010 R09: 0000000000000000 # [ 78.356993] R10: 00007f0dc71b21c0 R11: 0000000000000246 R12: 0000000000000001 # [ 78.364962] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # EXEC_USERSPACE: saw 'call trace:': ok ok 35 selftests: lkdtm: EXEC_USERSPACE.sh # selftests: lkdtm: EXEC_NULL.sh # Killed # [ 78.663345] lkdtm: Performing direct entry EXEC_NULL # [ 78.670612] lkdtm: attempting ok execution at ffffffff91cb1d00 # [ 78.677184] lkdtm: attempting bad execution at 0000000000000000 # [ 78.690027] BUG: kernel NULL pointer dereference, address: 0000000000000000 # [ 78.703978] #PF: supervisor instruction fetch in kernel mode # [ 78.710302] #PF: error_code(0x0010) - not-present page # [ 78.722223] PGD 0 P4D 0 # [ 78.731274] Oops: 0010 [#11] SMP PTI # [ 78.735270] CPU: 0 PID: 1842 Comm: cat Tainted: G D W 5.10.131-cip13 #1 # [ 78.750127] Hardware name: Google Coral/Coral, BIOS 09/29/20[ 81.123225] lkdtm: Performing direct entry WRITE_RO 20 # [ 78.756744] RIP: 0010:0x0 # [ 78.759675] Code: Unabl[ 81.131840] lkdtm: attempting bad rodata write at ffffffff928d9ef0 e to access opcode bytes at RIP 0xffffffffffffffd6. # [ 78.76[ 81.144990] BUG: unable to handle page fault for address: ffffffff928d9ef0 [ 81.158806] #PF: supervisor write access in kernel mode [ 81.164645] #PF: error_code(0x0003) - permissions violation [ 81.170862] PGD 58029067 P4D 58029067 PUD 5802a063 PMD 8000000057a001e1 [ 81.178356] Oops: 0003 [#14] SMP PTI [ 81.182351] CPU: 3 PID: 1947 Comm: cat Tainted: G D W 5.10.131-cip13 #1 [ 81.190989] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 81.197611] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a [ 81.202578] Code: 00 48 c7 c7 60 8e cc 92 48 c7 c6 f0 9e 8d 92 e8 75 9f fd ff 48 8b 05 f8 40 5b 00 ba 34 12 cd ab 48 c7 c7 90 8e cc 92 48 31 d0 <48> 89 05 e2 40 5b 00 e9 53 9f fd ff 0f 1f 44 00 00 48 8b 05 09 f5 [ 81.223558] RSP: 0018:ffffba7e82507e60 EFLAGS: 00010202 [ 81.229396] RAX: 000000000198b861 RBX: 0000000000000028 RCX: 0000000000000000 [ 81.237357] RDX: 00000000abcd1234 RSI: ffffa0d6fbd9bf70 RDI: ffffffff92cc8e90 [ 81.245324] RBP: ffffffff92cc807d R08: 0000000000000000 R09: 0000000000000000 [ 81.253295] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000009 [ 81.261264] R13: ffffba7e82507f10 R14: ffffba7e82507f10 R15: ffffa0d684dd8000 [ 81.269235] FS: 00007f0d31e84580(0000) GS:ffffa0d6fbd80000(0000) knlGS:0000000000000000 [ 81.278260] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 81.284671] CR2: ffffffff928d9ef0 CR3: 0000000104ebc000 CR4: 00000000003506e0 [ 81.292640] Call Trace: [ 81.295374] direct_entry.cold+0x2c/0x38 [ 81.299767] full_proxy_write+0x56/0x80 [ 81.304057] vfs_write+0xea/0x390 [ 81.307764] ksys_write+0x68/0xe0 [ 81.311472] do_syscall_64+0x33/0x40 [ 81.315462] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 81.321105] RIP: 0033:0x7f0d31dacf33 [ 81.325084] 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 [ 81.346050] RSP: 002b:00007ffc8f8d1108 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 81.354511] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f0d31dacf33 [ 81.362487] RDX: 0000000000000009 RSI: 00007f0d31c9d000 RDI: 0000000000000001 [ 81.370451] RBP: 00007f0d31c9d000 R08: 00007f0d31c9c010 R09: 0000000000000000 [ 81.378423] R10: 00007f0d31ea71c0 R11: 0000000000000246 R12: 0000000000000001 [ 81.386394] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 81.394378] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 81.410339] CR2: ffffffff928d9ef0 [ 81.414043] ---[ end trace 3fb4adc707f7a845 ]--- [ 81.419195] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 81.423573] Code: 59 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 2b 71 02 [ 81.444545] RSP: 0018:ffffba7e812f7e60 EFLAGS: 00010286 [ 81.450385] RAX: ffffffff91cb1930 RBX: 0000000000000001 RCX: 0000000000000000 [ 81.458360] RDX: 0000000000000000 RSI: ffffa0d6fbc1bf70 RDI: ffffffff928d9a70 [ 81.466325] RBP: ffffffff92d23350 R08: 0000000000000001 R09: 0000000000000001 [ 81.474290] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 81.482253] R13: ffffba7e812f7f10 R14: ffffba7e812f7f10 R15: ffffa0d6839a0000 [ 81.490215] FS: 00007f0d31e84580(0000) GS:ffffa0d6fbd80000(0000) knlGS:0000000000000000 [ 81.499236] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 81.505645] CR2: ffffffff928d9ef0 CR3: 0000000104ebc000 CR4: 00000000003506e0 7354] RSP: 0018:ffffba7e82387e48 EFLAGS: 00010246 # [ 78.773189] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 # [ 78.781158] RDX: 0000000000000000 RSI: ffffa0d6fbc1bf70 RDI: ffffa0d6fbc1bf70 # [ 78.789131] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 # [ 78.797102] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 78.805074] R13: ffffba7e82387f10 R14: ffffba7e82387f10 R15: ffffa0d683264000 # [ 78.813048] FS: 00007fc954368580(0000) GS:ffffa0d6fbc00000(0000) knlGS:0000000000000000 # [ 78.822089] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 78.828509] CR2: ffffffffffffffd6 CR3: 0000000102c94000 CR4: 00000000003506f0 # [ 78.836484] Call Trace: # [ 78.839229] execute_location+0x48/0x56 # [ 78.843522] direct_entry.cold+0x2c/0x38 # [ 78.847914] full_proxy_write+0x56/0x80 # [ 78.852205] vfs_write+0xea/0x390 # [ 78.855911] ksys_write+0x68/0xe0 # [ 78.859622] do_syscall_64+0x33/0x40 # [ 78.863618] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 78.869254] RIP: 0033:0x7fc954290f33 # [ 78.873251] 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 # [ 78.894236] RSP: 002b:00007ffde04427e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 78.902690] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fc954290f33 # [ 78.910659] RDX: 000000000000000a RSI: 00007fc954181000 RDI: 0000000000000001 # [ 78.918629] RBP: 00007fc954181000 R08: 00007fc954180010 R09: 0000000000000000 # [ 78.926602] R10: 00007fc95438b1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 78.934572] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 78.942555] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 78.964730] CR2: 0000000000000000 # [ 78.968434] ---[ end trace 3fb4adc707f7a842 ]--- # [ 78.973598] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 78.977980] Code: 59 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 2b 71 02 # [ 78.998967] RSP: 0018:ffffba7e812f7e60 EFLAGS: 00010286 # [ 79.004805] RAX: ffffffff91cb1930 RBX: 0000000000000001 RCX: 0000000000000000 # [ 79.012779] RDX: 0000000000000000 RSI: ffffa0d6fbc1bf70 RDI: ffffffff928d9a70 # [ 79.020751] RBP: ffffffff92d23350 R08: 0000000000000001 R09: 0000000000000001 # [ 79.028721] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 79.036696] R13: ffffba7e812f7f10 R14: ffffba7e812f7f10 R15: ffffa0d6839a0000 # [ 79.044669] FS: 00007fc954368580(0000) GS:ffffa0d6fbc00000(0000) knlGS:0000000000000000 # [ 79.053712] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 79.060129] CR2: ffffffffffffffd6 CR3: 0000000102c94000 [ 81.807932] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT [ 81.818248] lkdtm: attempting bad ro_after_init write at ffffffff92d45328 [ 81.825874] BUG: unable to handle page fault for address: ffffffff92d45328 CR4: 00000000003506f0 # EXEC_NULL: saw 'call trace:': ok ok 36[ 81.833558] #PF: supervisor write access in kernel mode [ 81.845606] #PF: error_code(0x0003) - permissions violation selftests: lkdtm: EXEC_NULL.sh # selftests: lkdtm: ACCESS_USER[ 81.851836] PGD 58029067 P4D 58029067 PUD 5802a063 PMD 104c44163 PTE 8000000057f45061 [ 81.866788] Oops: 0003 [#15] SMP PTI [ 81.870781] CPU: 0 PID: 1982 Comm: cat Tainted: G D W 5.10.131-cip13 #1 [ 81.879416] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 81.886031] RIP: 0010:lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a [ 81.892057] Code: 8e cc 92 e9 27 9f fd ff 48 c7 c7 e8 8e cc 92 e8 1b 9f fd ff 48 8b 05 d6 f4 a1 00 ba 34 12 cd ab 48 c7 c7 90 8e cc 92 48 31 d0 <48> 89 05 c0 f4 a1 00 e9 f9 9e fd ff 0f 1f 44 00 00 41 54 48 c7 c7 [ 81.913015] RSP: 0018:ffffba7e825c7e60 EFLAGS: 00010202 [ 81.918851] RAX: 00000000fe67479e RBX: 0000000000000029 RCX: 0000000000000000 [ 81.926807] RDX: 00000000abcd1234 RSI: ffffa0d6fbc1bf70 RDI: ffffffff92cc8e90 [ 81.934776] RBP: ffffffff92cc8086 R08: 0000000000000000 R09: 0000000000000000 [ 81.942732] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000014 [ 81.950694] R13: ffffba7e825c7f10 R14: ffffba7e825c7f10 R15: ffffa0d682959000 [ 81.958659] FS: 00007f4f6ddcf580(0000) GS:ffffa0d6fbc00000(0000) knlGS:0000000000000000 [ 81.967695] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 81.974110] CR2: ffffffff92d45328 CR3: 0000000105a22000 CR4: 00000000003506f0 [ 81.982071] Call Trace: [ 81.984805] direct_entry.cold+0x2c/0x38 [ 81.989191] full_proxy_write+0x56/0x80 [ 81.993474] vfs_write+0xea/0x390 [ 81.997175] ksys_write+0x68/0xe0 [ 82.000876] do_syscall_64+0x33/0x40 [ 82.004869] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 82.010508] RIP: 0033:0x7f4f6dcf7f33 [ 82.014499] 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 [ 82.035453] RSP: 002b:00007ffffe6b1648 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 82.043899] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f4f6dcf7f33 [ 82.051862] RDX: 0000000000000014 RSI: 00007f4f6dbe8000 RDI: 0000000000000001 [ 82.059824] RBP: 00007f4f6dbe8000 R08: 00007f4f6dbe7010 R09: 0000000000000000 [ 82.067781] R10: 00007f4f6ddf21c0 R11: 0000000000000246 R12: 0000000000000001 [ 82.075736] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 SPACE.sh # Killed # [ 79.356667] lkdtm: Performing direct en[ 82.083702] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 82.105840] CR2: ffffffff92d45328 [ 82.109546] ---[ end trace 3fb4adc707f7a846 ]--- [ 82.114701] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 82.119075] Code: 59 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 2b 71 02 [ 82.140008] RSP: 0018:ffffba7e812f7e60 EFLAGS: 00010286 [ 82.145833] RAX: ffffffff91cb1930 RBX: 0000000000000001 RCX: 0000000000000000 [ 82.153789] RDX: 0000000000000000 RSI: ffffa0d6fbc1bf70 RDI: ffffffff928d9a70 [ 82.161750] RBP: ffffffff92d23350 R08: 0000000000000001 R09: 0000000000000001 [ 82.169709] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 82.177663] R13: ffffba7e812f7f10 R14: ffffba7e812f7f10 R15: ffffa0d6839a0000 [ 82.185618] FS: 00007f4f6ddcf580(0000) GS:ffffa0d6fbc00000(0000) knlGS:0000000000000000 [ 82.194638] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 82.201043] CR2: ffffffff92d45328 CR3: 0000000105a22000 CR4: 00000000003506f0 [ 82.208999] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 82.218898] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1982, name: cat [ 82.227334] INFO: lockdep is turned off. [ 82.231704] irq event stamp: 0 [ 82.235109] hardirqs last enabled at (0): [<0000000000000000>] 0x0 try ACCESS_USERSPACE # [ 79.366299] lkdtm: attempting bad rea[ 82.242112] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 82.257441] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 82.266565] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 82.273567] CPU: 0 PID: 1982 Comm: cat Tainted: G D W 5.10.131-cip13 #1 [ 82.282212] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 82.288813] Call Trace: [ 82.291547] dump_stack+0x77/0x97 [ 82.295252] ___might_sleep.cold+0xa6/0xb6 [ 82.299820] exit_signals+0x1c/0x2d0 [ 82.303797] do_exit+0xd5/0xb00 [ 82.307303] ? ksys_write+0x68/0xe0 [ 82.311199] rewind_stack_do_exit+0x17/0x20 [ 82.315868] RIP: 0033:0x7f4f6dcf7f33 [ 82.319855] 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 [ 82.340812] RSP: 002b:00007ffffe6b1648 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 82.349274] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f4f6dcf7f33 [ 82.357244] RDX: 0000000000000014 RSI: 00007f4f6dbe8000 RDI: 0000000000000001 [ 82.365217] RBP: 00007f4f6dbe8000 R08: 00007f4f6dbe7010 R09: 0000000000000000 [ 82.373182] R10: 00007f4f6ddf21c0 R11: 0000000000000246 R12: 0000000000000001 [ 82.381155] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 d at 00007fa349196000 # [ 79.372493] BUG: unable to handle page fault for address: 00007fa349196000 # [ 79.380177] #PF: supervisor read access in kernel mode # [ 79.385912] #PF: error_code(0x0001) - permissions violation # [ 79.392131] PGD 8000000103e15067 P4D 8000000103e15067 PUD 1040bd067 PMD 1058a0067 PTE 10b6e9067 # [ 79.401869] Oops: 0001 [#12] SMP PTI # [ 79.405862] CPU: 1 PID: 1877 Comm: cat Tainted: G D W 5.10.131-cip13 #1 # [ 79.414516] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 79.421133] RIP: 0010:lkdtm_ACCESS_USERSPACE.cold+0x3d/0x9f # [ 79.433573] Code: 2b 04 25 28 00 00 00 75 60 48 83 c4 10 5d c3 48 89 ee 48 c7 c7 80 8f cc 92 e8 55 9d fd ff 48 c7 c7 a8 8f cc 92 b8 de c0 de c0 <48> 03 45 00 48 89 04 24 e8 3c 9d fd ff 48 89 ee 48 c7 c7 d0 8f cc # [ 79.454545] RSP: 0018:ffffba7e823efe48 EFLAGS: 00010246 # [ 79.460371] RAX: 00000000c0dec0de RBX: 0000000000000026 RCX: 0000000000000000 # [ 79.468336] RDX: 0000000000000000 RSI: ffffa0d6fbc9bf70 RDI: ffffffff92cc8fa8 # [ 79.476308] RBP: 00007fa349196000 R08: 0000000000000000 R09: 0000000000000000 # [ 79.484278] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000011 # [ 79.492243] R13: ffffba7e823eff10 R14: ffffba7e823eff10 R15: ffffa0d6826fc000 # [ 79.500204] FS: 00007fa349167580(0000) GS:ffffa0d6fbc80000(0000) knlGS:0000000000000000 # [ 79.509236] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 79.515652] CR2: 00007fa349196000 CR3: 000000010360c000 CR4: 00000000003506e0 # [ 79.523613] Call Trace: # [ 79.526356] direct_entry.cold+0x2c/0x38 # [ 79.530748] full_proxy_write+0x56/0x80 # [ 79.535024] vfs_write+0xea/0x390 # [ 79.538723] ksys_write+0x68/0xe0 # [ 79.542430] do_syscall_64+0x33/0x40 # [ 79.546419] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 79.552054] RIP: 0033:0x7fa34908ff33 # [ 79.556048] 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 # [ 79.576991] RSP: 002b:00007ffca3a60d98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 79.585443] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007fa34908ff33 # [ 79.593410] RDX: 0000000000000011 RSI: 00007fa348f80000 RDI: 0000000000000001 # [ 79.601383] RBP: 00007fa348f80000 R08: 00007fa348f7f010 R09: 0000000000000000 # [ 79.609348] R10: 00007fa34918a1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 79.617320] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 79.625301] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 79.641262] CR2: 00007fa349196000 # [ 79.644969] ---[ end trace 3fb4adc707f7a843 ]--- # [ 79.650123] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 79.654490] Code: 59 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 2b 71 02 # [ 79.675429] RSP: 0018:ffffba7e812f7e60 EFLAGS: 00010286 # [ 79.681257] RAX: ffffffff91cb1930 RBX: 0000000000000001 RCX: 0000000000000000 # [ 79.689208] RDX: 00000000[ 82.709430] lkdtm: Performing direct entry WRITE_KERN [ 82.717523] lkdtm: attempting bad 6766706 byte write at ffffffff92325d72 [ 82.725077] BUG: unable to handle page fault for address: ffffffff92325d72 [ 82.732745] #PF: supervisor write access in kernel mode 00000000 RSI: ffffa0d6fbc1bf70 RDI: ffffffff928d9a70 # [ 79.6[ 82.738572] #PF: error_code(0x0003) - permissions violation 97166] RBP: ffffffff92d23350 R08: 0000000000000001 R09: 00000000[ 82.750973] PGD 58029067 P4D 58029067 PUD 5802a063 PMD 574001e1 [ 82.763872] Oops: 0003 [#16] SMP PTI 00000001 # [ 79.705123] R10: 00000000ffffe000 R11: 3fffffffff[ 82.767864] CPU: 2 PID: 2017 Comm: cat Tainted: G D W 5.10.131-cip13 #1 [ 82.782682] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 82.789294] RIP: 0010:lkdtm_WRITE_KERN+0x38/0x4e [ 82.794446] Code: 53 48 c7 c3 72 5d 32 92 49 89 dc 48 89 da 49 81 ec 00 1d cb 91 4c 89 e6 e8 ce 9e fd ff 48 89 df 4c 89 e1 48 c7 c6 00 1d cb 91 a4 48 c7 c7 90 8e cc 92 e8 b3 9e fd ff 5b 41 5c e9 b7 fe ff ff [ 82.815387] RSP: 0018:ffffba7e82667e50 EFLAGS: 00010246 [ 82.821218] RAX: 000000000000003c RBX: ffffffff92325d72 RCX: 0000000000674072 [ 82.829180] RDX: 0000000000000000 RSI: ffffffff91cb1d00 RDI: ffffffff92325d72 [ 82.837138] RBP: ffffffff92cc809a R08: 0000000000000000 R09: 0000000000000000 [ 82.845091] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000674072 [ 82.853044] R13: ffffba7e82667f10 R14: ffffba7e82667f10 R15: ffffa0d684f83000 [ 82.860997] FS: 00007ff461b2c580(0000) GS:ffffa0d6fbd00000(0000) knlGS:0000000000000000 [ 82.870016] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 82.876419] CR2: ffffffff92325d72 CR3: 0000000104ea4000 CR4: 00000000003506e0 [ 82.884373] Call Trace: [ 82.887109] direct_entry.cold+0x2c/0x38 [ 82.891490] full_proxy_write+0x56/0x80 [ 82.895771] vfs_write+0xea/0x390 [ 82.899467] ksys_write+0x68/0xe0 [ 82.903167] do_syscall_64+0x33/0x40 [ 82.907155] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 82.912790] RIP: 0033:0x7ff461a54f33 [ 82.916779] 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 [ 82.937731] RSP: 002b:00007ffef69602c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 82.946192] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007ff461a54f33 [ 82.954162] RDX: 000000000000000b RSI: 00007ff461945000 RDI: 0000000000000001 [ 82.962124] RBP: 00007ff461945000 R08: 00007ff461944010 R09: 0000000000000000 [ 82.970079] R10: 00007ff461b4f1c0 R11: 0000000000000246 R12: 0000000000000001 [ 82.978032] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 82.986006] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 83.001960] CR2: ffffffff92325d72 [ 83.005662] ---[ end trace 3fb4adc707f7a847 ]--- [ 83.010816] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 83.015191] Code: 59 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 2b 71 02 [ 83.036145] RSP: 0018:ffffba7e812f7e60 EFLAGS: 00010286 [ 83.041974] RAX: ffffffff91cb1930 RBX: 0000000000000001 RCX: 0000000000000000 [ 83.049930] RDX: 0000000000000000 RSI: ffffa0d6fbc1bf70 RDI: ffffffff928d9a70 [ 83.057895] RBP: ffffffff92d23350 R08: 0000000000000001 R09: 0000000000000001 [ 83.065851] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 83.073806] R13: ffffba7e812f7f10 R14: ffffba7e812f7f10 R15: ffffa0d6839a0000 [ 83.081761] FS: 00007ff461b2c580(0000) GS:ffffa0d6fbd00000(0000) knlGS:0000000000000000 [ 83.090796] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 83.097211] CR2: ffffffff92325d72 CR3: 0000000104ea4000 CR4: 00000000003506e0 ffffff R12: 0000000000000004 # [ 79.713081] R13: ffffba7e812f7f10 R14: ffffba7e812f7f10 R15: ffffa0d6839a0000 # [ 79.721039] FS: 00007fa349167580(0000) GS:ffffa0d6fbc80000(0000) knlGS:0000000000000000 # [ 79.730064] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 79.736482] CR2: 00007fa349196000 CR3: 000000010360c000 CR4: 00000000003506e0 # [ 79.744455] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 79.754363] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1877, name: cat # [ 79.762818] INFO: lockdep is turned off. # [ 79.767197] irq event stamp: 0 # [ 79.770608] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 79.777614] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 79.786743] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 79.795875] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 79.802877] CPU: 1 PID: 1877 Comm: cat Tainted: G D W 5.10.131-cip13 #1 # [ 79.811521] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 79.818124] Call Trace: # [ 79.820858] dump_stack+0x77/0x97 # [ 79.824566] ___might_sleep.cold+0xa6/0xb6 # [ 79.829146] exit_signals+0x1c/0x2d0 # [ 79.833142] do_exit+0xd5/0xb00 # [ 79.836651] ? ksys_write+0x68/0xe0 # [ 79.840545] rewind_stack_do_exit+0x17/0x20 # [ 79.845214] RIP: 0033:0x7fa34908ff33 # [ 79.849208] 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 # [ 79.870182] RSP: 002b:00007ffca3a60d98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 79.878626] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007fa34908ff33 # [ 79.886596] RDX: 0000000000000011 RSI: 00007fa348f80000 RDI: 0000000000000001 # [ 79.894565] RBP: 00007fa348f80000 R08: 00007fa348f7f010 R09: 0000000000000000 # [ 79.902530] R10: 00007fa34918a1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 79.910488] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # ACCESS_USERSPACE: saw 'call trace:': ok ok 37 selftests: lkdtm: ACCESS_USERSPACE.sh # selftests: lkdtm: ACCESS_NULL.sh # Killed # [ 80.215839] lkdtm: Performing direct entry ACCESS_NULL # [ 80.222343] lkdtm: attempting bad read at 0000000000000000 # [ 80.228505] BUG: kernel NULL pointer dereference, address: 0000000000000000 # [ 80.236278] #PF: supervisor read access in kernel mode # [ 80.242010] #PF: error_code(0x0000) - not-present page # [ 80.247747] PGD 0 P4D 0 # [ 80.256770] Oops: 0000 [#13] SMP PTI # [ 80.260763] CPU: 1 PID: 1912 Comm: cat Tainted: G D W 5.10.131-cip13 #1 # [ 80.269414] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 80.276029] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53 # [ 80.287490] Code: f9 9c fd ff be 00 10 00 00 48 89 ef e8 d6 e7 3c ff e9 6d ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 80 8f cc 92 e8 d3 9c fd ff <48> 8b 1c 25 00 00 00 00 b8 de[ 83.406601] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW [ 83.415831] lkdtm: attempting good refcount_inc() without overflow [ 83.422767] lkdtm: attempting bad refcount_inc() overflow c0 de c0 48 c7 c7 a8 8f cc 92 48 01 # [ 80.308425] RSP: 0018[ 83.428818] ------------[ cut here ]------------ :ffffba7e82497e58 EFLAGS: 00010246 # [ 80.314250] RAX: 000000[ 83.440161] refcount_t: saturated; leaking memory. 000000002e RBX: 0000000000000027 RCX: 0000000000000000 # [ 80[ 83.451766] WARNING: CPU: 1 PID: 2052 at lib/refcount.c:22 refcount_warn_saturate+0x49/0xf0 [ 83.467262] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 83.483227] CPU: 1 PID: 2052 Comm: cat Tainted: G D W 5.10.131-cip13 #1 [ 83.491883] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 83.498545] RIP: 0010:refcount_warn_saturate+0x49/0xf0 [ 83.504308] Code: 76 01 00 0f 84 a4 00 00 00 c3 85 f6 74 3e 80 3d 14 34 76 01 00 75 f2 48 c7 c7 c0 3a c6 92 c6 05 04 34 76 01 01 e8 3d ef 95 00 <0f> 0b c3 80 3d f4 33 76 01 00 75 d3 48 c7 c7 e8 3a c6 92 c6 05 e4 [ 83.525274] RSP: 0018:ffffba7e826dfe48 EFLAGS: 00010286 [ 83.531126] RAX: 0000000000000000 RBX: 000000000000002b RCX: 0000000000000000 [ 83.539105] RDX: ffffa0d6fbcac660 RSI: ffffa0d6fbc9bf70 RDI: ffffa0d6fbc9bf70 [ 83.547090] RBP: ffffffff92cc80a5 R08: 0000000000000000 R09: 0000000000000000 [ 83.555070] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 [ 83.563054] R13: ffffba7e826dff10 R14: ffffba7e826dff10 R15: ffffa0d682c2f000 [ 83.571029] FS: 00007f78aee1e580(0000) GS:ffffa0d6fbc80000(0000) knlGS:0000000000000000 [ 83.580083] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 83.586513] CR2: 00007f78aec37000 CR3: 0000000105860000 CR4: 00000000003506e0 [ 83.594490] Call Trace: [ 83.597238] lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x94 [ 83.602610] direct_entry.cold+0x2c/0x38 [ 83.607004] full_proxy_write+0x56/0x80 [ 83.611311] vfs_write+0xea/0x390 [ 83.615044] ksys_write+0x68/0xe0 [ 83.618763] do_syscall_64+0x33/0x40 [ 83.622769] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 83.628426] RIP: 0033:0x7f78aed46f33 [ 83.632434] 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 [ 83.653388] RSP: 002b:00007fff83106ed8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 83.661849] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f78aed46f33 [ 83.669825] RDX: 0000000000000016 RSI: 00007f78aec37000 RDI: 0000000000000001 [ 83.677806] RBP: 00007f78aec37000 R08: 00007f78aec36010 R09: 0000000000000000 [ 83.685776] R10: 00007f78aee411c0 R11: 0000000000000246 R12: 0000000000000001 [ 83.693748] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 83.701725] irq event stamp: 0 [ 83.705150] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 83.712162] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 83.721305] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 .322211] RDX: 0000000000000000 RSI: ffffa0d6fbc9bf70 RDI: ffffa0[ 83.730446] softirqs last disabled at (0): [<0000000000000000>] 0x0 d6fbc9bf70 # [ 80.330170] RBP: ffffffff92cc8071 R08: 00000000[ 83.743638] ---[ end trace 3fb4adc707f7a848 ]--- 00000000 R09: 0000000000000000 # [ 80.338134] R10: 00000000ff[ 83.754988] lkdtm: Overflow detected: saturated ffe000 R11: 3fffffffffffffff R12: 000000000000000c # [ 80.346096] R13: ffffba7e82497f10 R14: ffffba7e82497f10 R15: ffffa0d684b83000 # [ 80.354053] FS: 00007f25ce5a4580(0000) GS:ffffa0d6fbc80000(0000) knlGS:0000000000000000 # [ 80.363079] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 80.369486] CR2: 0000000000000000 CR3: 000000010360c000 CR4: 00000000003506e0 # [ 80.377453] Call Trace: # [ 80.380195] direct_entry.cold+0x2c/0x38 # [ 80.384582] full_proxy_write+0x56/0x80 # [ 80.388868] vfs_write+0xea/0x390 # [ 80.392574] ksys_write+0x68/0xe0 # [ 80.396278] do_syscall_64+0x33/0x40 # [ 80.400265] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 80.405901] RIP: 0033:0x7f25ce4ccf33 # [ 80.409888] 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 # [ 80.430819] RSP: 002b:00007ffde60d96e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 80.439262] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f25ce4ccf33 # [ 80.447223] RDX: 000000000000000c RSI: 00007f25ce3bd000 RDI: 0000000000000001 # [ 80.455182] RBP: 00007f25ce3bd000 R08: 00007f25ce3bc010 R09: 0000000000000000 # [ 80.463137] R10: 00007f25ce5c71c0 R11: 0000000000000246 R12: 0000000000000001 # [ 80.471093] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 80.479068] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 80.495018] CR2: 0000000000000000 # [ 80.498722] ---[ end trace 3fb4adc707f7a844 ]--- # [ 80.503886] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 80.508269] Code: 59 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 2b 71 02 # [ 80.529239] RSP: 0018:ffffba7e812f7e60 EFLAGS: 00010286 # [ 80.535074] RAX: ffffffff91cb1930 RBX: 0000000000000001 RCX: 0000000000000000 # [ 80.543034] RDX: 0000000000000000 RSI: ffffa0d6fbc1bf70 RDI: ffffffff928d9a70 # [ 80.550999] RBP: ffffffff92d23350 R08: 0000000000000001 R09: 0000000000000001 # [ 80.558957] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 80.566916] R13: ffffba7e812f7f10 R14: ffffba7e812f7f10 R15: ffffa0d6839a0000 # [ 80.574887] FS: 00007f25ce5a4580(0000) GS:ffffa0d6fbc80000(0000) knlGS:0000000000000000 # [ 80.583911] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 80.590314] CR2: 0000000000000000 CR3: 000000010360c000 CR4: 00000000003506e0 # [ 80.598282] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 80.608178] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1912, name: cat # [ 80.616627] INFO: lockdep is turned off. # [ 80.621005] irq event stamp: 0 # [ 80.624417] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 8[ 84.061000] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW 0.631420] hardirqs last disabled at (0): [] co[ 84.070618] lkdtm: attempting good refcount_add() without overflow [ 84.083714] lkdtm: attempting bad refcount_add() overflow [ 84.089756] ------------[ cut here ]------------ [ 84.094920] refcount_t: saturated; leaking memory. [ 84.100329] WARNING: CPU: 2 PID: 2084 at lib/refcount.c:22 refcount_warn_saturate+0x49/0xf0 py_process+0x63c/0x1c80 # [ 80.640555] softirqs last enabled[ 84.109667] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 84.131788] CPU: 2 PID: 2084 Comm: cat Tainted: G D W 5.10.131-cip13 #1 [ 84.140448] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 84.147073] RIP: 0010:refcount_warn_saturate+0x49/0xf0 [ 84.152832] Code: 76 01 00 0f 84 a4 00 00 00 c3 85 f6 74 3e 80 3d 14 34 76 01 00 75 f2 48 c7 c7 c0 3a c6 92 c6 05 04 34 76 01 01 e8 3d ef 95 00 <0f> 0b c3 80 3d f4 33 76 01 00 75 d3 48 c7 c7 e8 3a c6 92 c6 05 e4 [ 84.173792] RSP: 0018:ffffba7e8274fe48 EFLAGS: 00010286 [ 84.179641] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000 [ 84.187622] RDX: ffffa0d6fbd2c660 RSI: ffffa0d6fbd1bf70 RDI: ffffa0d6fbd1bf70 [ 84.195607] RBP: ffffffff92cc80bb R08: 0000000000000000 R09: 0000000000000000 [ 84.203584] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 [ 84.211560] R13: ffffba7e8274ff10 R14: ffffba7e8274ff10 R15: ffffa0d68410f000 [ 84.219540] FS: 00007fa28fbe3580(0000) GS:ffffa0d6fbd00000(0000) knlGS:0000000000000000 [ 84.228583] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 84.234998] CR2: 00007fa28f9fc000 CR3: 0000000104dba000 CR4: 00000000003506e0 [ 84.242973] Call Trace: [ 84.245725] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa3 [ 84.251097] direct_entry.cold+0x2c/0x38 [ 84.255507] full_proxy_write+0x56/0x80 [ 84.259823] vfs_write+0xea/0x390 [ 84.263546] ksys_write+0x68/0xe0 [ 84.267270] do_syscall_64+0x33/0x40 [ 84.271280] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 84.276936] RIP: 0033:0x7fa28fb0bf33 [ 84.280945] 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 [ 84.301907] RSP: 002b:00007ffdd13280c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 84.310369] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fa28fb0bf33 [ 84.318352] RDX: 0000000000000016 RSI: 00007fa28f9fc000 RDI: 0000000000000001 [ 84.326332] RBP: 00007fa28f9fc000 R08: 00007fa28f9fb010 R09: 0000000000000000 [ 84.334308] R10: 00007fa28fc061c0 R11: 0000000000000246 R12: 0000000000000001 at (0): [] copy_process+0x63c/0x1c80 # [ 8[ 84.342278] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 0.649678] softirqs last disabled at (0): [<0000000000000000>] 0x[ 84.356444] irq event stamp: 0 0 # [ 80.656669] CPU: 1 PID: 1912 Comm: cat Tainted: G D[ 84.366043] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 84.379237] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 84.388377] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 84.397520] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 84.404519] ---[ end trace 3fb4adc707f7a849 ]--- [ 84.409684] lkdtm: Overflow detected: saturated W 5.10.131-cip13 #1 # [ 80.665304] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 80.671909] Call Trace: # [ 80.674642] dump_stack+0x77/0x97 # [ 80.678348] ___might_sleep.cold+0xa6/0xb6 # [ 80.682924] exit_signals+0x1c/0x2d0 # [ 80.686914] do_exit+0xd5/0xb00 # [ 80.690419] ? ksys_write+0x68/0xe0 # [ 80.694315] rewind_stack_do_exit+0x17/0x20 # [ 80.698983] RIP: 0033:0x7f25ce4ccf33 # [ 80.702963] 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 # [ 80.723936] RSP: 002b:00007ffde60d96e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 80.732390] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f25ce4ccf33 # [ 80.740357] RDX: 000000000000000c RSI: 00007f25ce3bd000 RDI: 0000000000000001 # [ 80.748329] RBP: 00007f25ce3bd000 R08: 00007f25ce3bc010 R09: 0000000000000000 # [ 80.756300] R10: 00007f25ce5c71c0 R11: 0000000000000246 R12: 0000000000000001 # [ 80.764273] 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 # [ 81.123225] lkdtm: Performing direct entry WRITE_RO # [ 81.131840] lkdtm: attempting bad rodata write at ffffffff928d9ef0 # [ 81.144990] BUG: unable to handle page fault for address: ffffffff928d9ef0 # [ 81.158806] #PF: supervisor write access in kernel mode # [ 81.164645] #PF: error_code(0x0003) - permissions violation # [ 81.170862] PGD 58029067 P4D 58029067 PUD 5802a063 PMD 8000000057a001e1 # [ 81.178356] Oops: 0003 [#14] SMP PTI # [ 81.182351] CPU: 3 PID: 1947 Comm: cat Tainted: G D W 5.10.131-cip13 #1 # [ 81.190989] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 81.197611] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a # [ 81.202578] Code: 00 48 c7 c7 60 8e cc 92 48 c7 c6 f0 9e 8d 92 e8 75 9f fd ff 48 8b 05 f8 40 5b 00 ba 34 12 cd ab 48 c7 c7 90 8e cc 92 48 31 d0 <48> 89 05 e2 40 5b 00 e9 53 9f fd ff 0f 1f 44 00 00 48 8b 05 09 f5 # [ 81.223558] RSP: 0018:ffffba7e82507e60 EFLAGS: 00010202 # [ 81.229396] RAX: 000000000198b861 RBX: 0000000000000028 RCX: 0000000000000000 # [ 81.237357] RDX: 00000000abcd1234 RSI: ffffa0d6fbd9bf70 RDI: ffffffff92cc8e90 # [ 81.245324] RBP: ffffffff92cc807d R08: 0000000000000000 R09: 0000000000000000 # [ 81.253295] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000009 # [ 81.261264] R13: ffffba7e82507f10 R14: ffffba7e82507f10 R15: ffffa0d684dd8000 # [ 81.269235] FS: 00007f0d31e84580(0000) GS:ffffa0d6fbd80000(0000) knlGS:0000000000000000 # [ 81.278260] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 81.284671] CR2: ffffffff928d9ef0 CR3: 0000000104ebc000 CR4: 00000000003506e0 # [ 81.292640] Call Trace: # [ 81[ 84.695837] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW .295374] direct_entry.cold+0x2c/0x38 # [ 81.299767] full_pr[ 84.707629] lkdtm: attempting bad refcount_inc_not_zero() overflow oxy_write+0x56/0x80 # [ 81.304057] vfs_write+0xea/0x390 # [[ 84.720721] ------------[ cut here ]------------ 81.307764] ksys_write+0x68/0xe0 # [ 81.311472] do_syscal[ 84.732132] refcount_t: saturated; leaking memory. l_64+0x33/0x40 # [ 81.315462] entry_SYSCALL_64_after_hwframe[ 84.743711] WARNING: CPU: 3 PID: 2116 at lib/refcount.c:19 refcount_warn_saturate+0x87/0xf0 +0x44/0xa9 # [ 81.321105] RIP: 0033:0x7f0d31dacf33 # [ 81.[ 84.759453] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 325084] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff[ 84.781386] CPU: 3 PID: 2116 Comm: cat Tainted: G D W 5.10.131-cip13 #1 ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 [ 84.796387] Hardware name: Google Coral/Coral, BIOS 09/29/2020 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28[ 84.809137] RIP: 0010:refcount_warn_saturate+0x87/0xf0 48 89 54 24 18 # [ 81.346050] RSP: 002b:00007ffc8f8d1108 EFL[ 84.820998] Code: 05 e4 33 76 01 01 e8 1e ef 95 00 0f 0b c3 80 3d d7 33 76 01 00 75 b4 48 c7 c7 c0 3a c6 92 c6 05 c7 33 76 01 01 e8 ff ee 95 00 <0f> 0b c3 80 3d b5 33 76 01 00 75 95 48 c7 c7 18 3b c6 92 c6 05 a5 AGS: 00000246 ORIG_RAX: 0000000000000001 # [ 81.354511] RAX: [ 84.848200] RSP: 0018:ffffba7e827d7e38 EFLAGS: 00010282 ffffffffffffffda RBX: 0000000000000009 RCX: 00007f0d31dacf33 # [ 84.860141] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 [ 81.362487] RDX: 0000000000000009 RSI: 00007f0d31c9d000 RDI: [ 84.874469] RDX: ffffa0d6fbdac660 RSI: ffffa0d6fbd9bf70 RDI: ffffa0d6fbd9bf70 0000000000000001 # [ 81.370451] RBP: 00007f0d31c9d000 R08: 00[ 84.888575] RBP: ffffffff92cc7cf8 R08: 0000000000000000 R09: 0000000000000000 007f0d31c9c010 R09: 0000000000000000 # [ 81.378423] R10: 0000[ 84.902763] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f 7f0d31ea71c0 R11: 0000000000000246 R12: 0000000000000001 # [ [ 84.916875] R13: ffffba7e827d7f10 R14: ffffba7e827d7f10 R15: ffffa0d684cd5000 81.386394] R13: 0000000000000001 R14: 0000000000020000 R15: 0000[ 84.931108] FS: 00007fe6ffa91580(0000) GS:ffffa0d6fbd80000(0000) knlGS:0000000000000000 000000020000 # [ 81.394378] Modules linked in: fuse ip_tables[ 84.946285] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_debugfs [ 84.958938] CR2: 00007fe6ff8aa000 CR3: 0000000104f3c000 CR4: 00000000003506e0 x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 81.410[ 84.973082] Call Trace: 339] CR2: ffffffff928d9ef0 # [ 81.414043] ---[ end trace 3fb4[ 84.982067] __refcount_add_not_zero.constprop.0+0x2a/0x31 adc707f7a845 ]--- # [ 81.419195] RIP: 0010:lkdtm_BUG+0x5/0x10[ 84.994341] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x72 # [ 81.423573] Code: 59 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 [ 85.006784] direct_entry.cold+0x2c/0x38 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc c[ 85.017295] full_proxy_write+0x56/0x80 c cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f [ 85.027827] vfs_write+0xea/0x390 44 00 00 83 05 e0 2b 71 02 # [ 81.444545] RSP: 0018:ffffba7e8[ 85.037670] ksys_write+0x68/0xe0 12f7e60 EFLAGS: 00010286 # [ 81.450385] RAX: ffffffff91cb1930[ 85.047549] do_syscall_64+0x33/0x40 RBX: 0000000000000001 RCX: 0000000000000000 # [ 81.458360] R[ 85.057804] entry_SYSCALL_64_after_hwframe+0x44/0xa9 DX: 0000000000000000 RSI: ffffa0d6fbc1bf70 RDI: ffffffff928d9a70[ 85.069606] RIP: 0033:0x7fe6ff9b9f33 # [ 81.466325] RBP: ffffffff92d23350 R08: 0000000000000001 R[ 85.079804] 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 09: 0000000000000001 # [ 81.474290] R10: 00000000ffffe000 R11[ 85.107072] RSP: 002b:00007ffdc4d9e028 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 : 3fffffffffffffff R12: 0000000000000004 # [ 81.482253] R13: [ 85.121675] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fe6ff9b9f33 ffffba7e812f7f10 R14: ffffba7e812f7f10 R15: ffffa0d6839a0000 # [ 85.135812] RDX: 000000000000001f RSI: 00007fe6ff8aa000 RDI: 0000000000000001 [ 81.490215] FS: 00007f0d31e84580(0000) GS:ffffa0d6fbd80000(0[ 85.149961] RBP: 00007fe6ff8aa000 R08: 00007fe6ff8a9010 R09: 0000000000000000 000) knlGS:0000000000000000 # [ 81.499236] CS: 0010 DS: 0000[ 85.164137] R10: 00007fe6ffab41c0 R11: 0000000000000246 R12: 0000000000000001 ES: 0000 CR0: 0000000080050033 # [ 81.505645] CR2: ffffffff9[ 85.178319] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 28d9ef0 CR3: 0000000104ebc000 CR4: 00000000003506e0 # WRITE_RO:[ 85.192486] irq event stamp: 0 saw 'call trace:': ok ok 39 selftests: lkdtm: WRITE_RO.sh # s[ 85.202122] hardirqs last enabled at (0): [<0000000000000000>] 0x0 elftests: lkdtm: WRITE_RO_AFTER_INIT.sh # Killed # [ 81.8079[ 85.215301] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 32] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT # [ 81[ 85.230621] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 .818248] lkdtm: attempting bad ro_after_init write at ffffffff92[ 85.245976] softirqs last disabled at (0): [<0000000000000000>] 0x0 d45328 # [ 81.825874] BUG: unable to handle page fault for ad[ 85.259152] ---[ end trace 3fb4adc707f7a84a ]--- dress: ffffffff92d45328 # [ 81.833558] #PF: supervisor write [ 85.270534] lkdtm: Overflow detected: saturated access in kernel mode # [ 81.845606] #PF: error_code(0x0003) - permissions violation # [ 81.851836] PGD 58029067 P4D 58029067 PUD 5802a063 PMD 104c44163 PTE 8000000057f45061 # [ 81.866788] Oops: 0003 [#15] SMP PTI # [ 81.870781] CPU: 0 PID: 1982 Comm: cat Tainted: G D W 5.10.131-cip13 #1 # [ 81.879416] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 81.886031] RIP: 0010:lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a # [ 81.892057] Code: 8e cc 92 e9 27 9f fd ff 48 c7 c7 e8 8e cc 92 e8 1b 9f fd ff 48 8b 05 d6 f4 a1 00 ba 34 12 cd ab 48 c7 c7 90 8e cc 92 48 31 d0 <48> 89 05 c0 f4 a1 00 e9 f9 9e fd ff 0f 1f 44 00 00 41 54 48 c7 c7 # [ 81.913015] RSP: 0018:ffffba7e825c7e60 EFLAGS: 00010202 # [ 81.918851] RAX: 00000000fe67479e RBX: 0000000000000029 RCX: 0000000000000000 # [ 81.926807] RDX: 00000000abcd1234 RSI: ffffa0d6fbc1bf70 RDI: ffffffff92cc8e90 # [ 81.934776] RBP: ffffffff92cc8086 R08: 0000000000000000 R09: 0000000000000000 # [ 81.942732] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000014 # [ 81.950694] R13: ffffba7e825c7f10 R14: ffffba7e825c7f10 R15: ffffa0d682959000 # [ 81.958659] FS: 00007f4f6ddcf580(0000) GS:ffffa0d6fbc00000(0000) knlGS:0000000000000000 # [ 81.967695] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 81.974110] CR2: ffffffff92d45328 CR3: 0000000105a22000 CR4: 00000000003506f0 # [ 81.982071] Call Trace: # [ 81.984805] direct_entry.cold+0x2c/0x38 # [ 81.989191] full_proxy_write+0x56/0x80 # [ 81.993474] vfs_write+0xea/0x390 # [ 81.997175] ksys_write+0x68/0xe0 # [ 82.000876] do_syscall_64+0x33/0x40 # [ 82.004869] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 82.010508] RIP: 0033:0x7f4f6dcf7f33 # [ 82.014499] 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 # [ 82.035453] RSP: 002b:00007ffffe6b1648 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 82.043899] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f4f6dcf7f33 # [ 82.051862] RDX: 0000000000000014 RSI: 00007f4f6dbe8000 RDI: 0000000000000001 # [ 82.059824] RBP: 00007f4f6dbe8000 R08: 00007f4f6dbe7010 R09: 0000000000000000 # [ 82.067781] R10: 00007f4f6ddf21c0 R11: 0000000000000246 R12: 0000000000000001 # [ 82.075736] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 82.083702] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 82.105840] CR2: ffffffff92d45328 # [ 82.109546] ---[ end trace 3fb4adc707f7a846 ]--- # [ 82.114701] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 82.119075] Code: 59 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 2b 71 02 # [ 82.140008] RSP: 0018:ffffba7e812f7e60 EFLAGS: 00010286 # [ 82.145833] RAX: ffffffff91cb1930 RBX: 0000000000000001 RCX: 0000000000000000 # [ 82.153789] RDX: 0000000000000000 RSI: ffffa0d6fbc1bf70 RDI: ffffffff928d9a70 # [ 82.161750] RBP: ffffffff92d23350 R08: 0000000000000001 R09: 0000000000000001 # [ 82.169709][ 85.603163] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW [ 85.611717] lkdtm: attempting bad refcount_add_not_zero() overflow [ 85.618659] ------------[ cut here ]------------ [ 85.623826] refcount_t: saturated; leaking memory. R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 00000000000000[ 85.629240] WARNING: CPU: 1 PID: 2148 at lib/refcount.c:19 refcount_warn_saturate+0x87/0xf0 [ 85.644763] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 85.660764] CPU: 1 PID: 2148 Comm: cat Tainted: G D W 5.10.131-cip13 #1 [ 85.669445] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 85.676083] RIP: 0010:refcount_warn_saturate+0x87/0xf0 [ 85.681844] Code: 05 e4 33 76 01 01 e8 1e ef 95 00 0f 0b c3 80 3d d7 33 76 01 00 75 b4 48 c7 c7 c0 3a c6 92 c6 05 c7 33 76 01 01 e8 ff ee 95 00 <0f> 0b c3 80 3d b5 33 76 01 00 75 95 48 c7 c7 18 3b c6 92 c6 05 a5 [ 85.702815] RSP: 0018:ffffba7e8285fe38 EFLAGS: 00010282 [ 85.708671] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 [ 85.716659] RDX: ffffa0d6fbcac660 RSI: ffffa0d6fbc9bf70 RDI: ffffa0d6fbc9bf70 [ 85.724654] RBP: ffffffff92cc7d18 R08: 0000000000000000 R09: 0000000000000000 [ 85.732655] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f [ 85.740638] R13: ffffba7e8285ff10 R14: ffffba7e8285ff10 R15: ffffa0d684cc1000 [ 85.748618] FS: 00007fe6b3ead580(0000) GS:ffffa0d6fbc80000(0000) knlGS:0000000000000000 [ 85.757675] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 85.764112] CR2: 00007fe6b3cc6000 CR3: 0000000103628000 CR4: 00000000003506e0 [ 85.772098] Call Trace: [ 85.774858] __refcount_add_not_zero.constprop.0+0x2a/0x31 [ 85.781008] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x72 [ 85.787250] direct_entry.cold+0x2c/0x38 [ 85.791647] full_proxy_write+0x56/0x80 [ 85.795966] vfs_write+0xea/0x390 [ 85.799700] ksys_write+0x68/0xe0 [ 85.803431] do_syscall_64+0x33/0x40 [ 85.807438] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 85.813100] RIP: 0033:0x7fe6b3dd5f33 [ 85.817116] 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 [ 85.838073] RSP: 002b:00007fff5b933a78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 85.846538] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fe6b3dd5f33 [ 85.854520] RDX: 000000000000001f RSI: 00007fe6b3cc6000 RDI: 0000000000000001 [ 85.862504] RBP: 00007fe6b3cc6000 R08: 00007fe6b3cc5010 R09: 0000000000000000 [ 85.870486] R10: 00007fe6b3ed01c0 R11: 0000000000000246 R12: 0000000000000001 [ 85.878464] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 04 # [ 82.177663] R13: ffffba7e812f7f10 R14: ffffba7e812f7f10[ 85.886454] irq event stamp: 0 R15: ffffa0d6839a0000 # [ 82.185618] FS: 00007f4f6ddcf580(0[ 85.896062] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 85.909279] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 85.918421] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 85.927576] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 85.934586] ---[ end trace 3fb4adc707f7a84b ]--- [ 85.939755] lkdtm: Overflow detected: saturated 000) GS:ffffa0d6fbc00000(0000) knlGS:0000000000000000 # [ 82.194638] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 82.201043] CR2: ffffffff92d45328 CR3: 0000000105a22000 CR4: 00000000003506f0 # [ 82.208999] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 82.218898] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1982, name: cat # [ 82.227334] INFO: lockdep is turned off. # [ 82.231704] irq event stamp: 0 # [ 82.235109] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 82.242112] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 82.257441] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 82.266565] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 82.273567] CPU: 0 PID: 1982 Comm: cat Tainted: G D W 5.10.131-cip13 #1 # [ 82.282212] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 82.288813] Call Trace: # [ 82.291547] dump_stack+0x77/0x97 # [ 82.295252] ___might_sleep.cold+0xa6/0xb6 # [ 82.299820] exit_signals+0x1c/0x2d0 # [ 82.303797] do_exit+0xd5/0xb00 # [ 82.307303] ? ksys_write+0x68/0xe0 # [ 82.311199] rewind_stack_do_exit+0x17/0x20 # [ 82.315868] RIP: 0033:0x7f4f6dcf7f33 # [ 82.319855] 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 # [ 82.340812] RSP: 002b:00007ffffe6b1648 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 82.349274] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f4f6dcf7f33 # [ 82.357244] RDX: 0000000000000014 RSI: 00007f4f6dbe8000 RDI: 0000000000000001 # [ 82.365217] RBP: 00007f4f6dbe8000 R08: 00007f4f6dbe7010 R09: 0000000000000000 # [ 82.373182] R10: 00007f4f6ddf21c0 R11: 0000000000000246 R12: 0000000000000001 # [ 82.381155] 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 # [ 82.709430] lkdtm: Performing direct entry WRITE_KERN # [ 82.717523] lkdtm: attempting bad 6766706 byte write at ffffffff92325d72 # [ 82.725077] BUG: unable to handle page fault for address: ffffffff92325d72 # [ 82.732745] #PF: supervisor write access in kernel mode # [ 82.738572] #PF: error_code(0x0003) - permissions violation # [ 82.750973] PGD 58029067 P4D 58029067 PUD 5802a063 PMD 574001e1 # [ 82.763872] Oops: 0003 [#16] SMP PTI # [ 82.767864] CPU: 2 PID: 2017 Comm: cat Tainted: G D W 5.10.131-cip13 #1 # [ 82.782682] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 82.789294] RIP: 0010:lkdtm_WRITE_KERN+0x38/0x4e # [ 82.794446] Code: 53 48 c7 c3 72 5d 32 92 49 89 dc 48 89 da 49 81 ec 00 1d cb 91 4c 89 e6 e8 ce 9e fd ff 48 89 df 4c 89 e1 48 c7 c6 00 1d cb 91 a4 48 c7 c7 90 8e cc 92 e8 b3 9e fd ff 5b 41 5c e9 b7 [ 86.240380] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO fe ff ff # [ 82.815387] RSP: 0018:ffffba7e82667e50 EFLAGS: 00[ 86.249160] lkdtm: attempting good refcount_dec() [ 86.260632] lkdtm: attempting bad refcount_dec() to zero 010246 # [ 82.821218] RAX: 000000000000003c RBX: ffffffff9232[ 86.266578] ------------[ cut here ]------------ [ 86.277951] refcount_t: decrement hit 0; leaking memory. [ 86.283954] WARNING: CPU: 2 PID: 2180 at lib/refcount.c:31 refcount_warn_saturate+0xdf/0xf0 [ 86.293291] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 86.309274] CPU: 2 PID: 2180 Comm: cat Tainted: G D W 5.10.131-cip13 #1 [ 86.317977] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 86.324633] RIP: 0010:refcount_warn_saturate+0xdf/0xf0 [ 86.330389] Code: ff 48 c7 c7 70 3b c6 92 c6 05 80 33 76 01 01 e8 bd ee 95 00 0f 0b c3 48 c7 c7 40 3b c6 92 c6 05 6b 33 76 01 01 e8 a7 ee 95 00 <0f> 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b 07 3d 00 00 [ 86.351382] RSP: 0018:ffffba7e828dfe48 EFLAGS: 00010286 [ 86.357244] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000 [ 86.365233] RDX: ffffa0d6fbd2c660 RSI: ffffa0d6fbd1bf70 RDI: ffffa0d6fbd1bf70 [ 86.373227] RBP: ffffffff92cc80d1 R08: 0000000000000000 R09: 0000000000000000 [ 86.381210] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 [ 86.389195] R13: ffffba7e828dff10 R14: ffffba7e828dff10 R15: ffffa0d685a9d000 5d72 RCX: 0000000000674072 # [ 82.829180] RDX: 00000000000000[ 86.397182] FS: 00007f36cd6a0580(0000) GS:ffffa0d6fbd00000(0000) knlGS:0000000000000000 [ 86.412428] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 86.418867] CR2: 00007f36cd4b9000 CR3: 0000000104f08000 CR4: 00000000003506e0 [ 86.426853] Call Trace: [ 86.429609] lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xb9 [ 86.434598] direct_entry.cold+0x2c/0x38 [ 86.439003] full_proxy_write+0x56/0x80 [ 86.443310] vfs_write+0xea/0x390 [ 86.447043] ksys_write+0x68/0xe0 [ 86.450762] do_syscall_64+0x33/0x40 [ 86.454774] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 86.460436] RIP: 0033:0x7f36cd5c8f33 [ 86.464447] 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 [ 86.485421] RSP: 002b:00007ffd3df54ad8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 86.493884] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f36cd5c8f33 [ 86.501870] RDX: 0000000000000012 RSI: 00007f36cd4b9000 RDI: 0000000000000001 [ 86.509862] RBP: 00007f36cd4b9000 R08: 00007f36cd4b8010 R09: 0000000000000000 [ 86.517853] R10: 00007f36cd6c31c0 R11: 0000000000000246 R12: 0000000000000001 [ 86.525841] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 86.533834] irq event stamp: 0 00 RSI: ffffffff91cb1d00 RDI: ffffffff92325d72 # [ 82.837138][ 86.537258] hardirqs last enabled at (0): [<0000000000000000>] 0x0 RBP: ffffffff92cc809a R08: 0000000000000000 R09: 00000000000000[ 86.550489] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 86.565845] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 86.575008] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 86.582038] ---[ end trace 3fb4adc707f7a84c ]--- [ 86.587214] lkdtm: Zero detected: saturated 00 # [ 82.845091] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000674072 # [ 82.853044] R13: ffffba7e82667f10 R14: ffffba7e82667f10 R15: ffffa0d684f83000 # [ 82.860997] FS: 00007ff461b2c580(0000) GS:ffffa0d6fbd00000(0000) knlGS:0000000000000000 # [ 82.870016] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 82.876419] CR2: ffffffff92325d72 CR3: 0000000104ea4000 CR4: 00000000003506e0 # [ 82.884373] Call Trace: # [ 82.887109] direct_entry.cold+0x2c/0x38 # [ 82.891490] full_proxy_write+0x56/0x80 # [ 82.895771] vfs_write+0xea/0x390 # [ 82.899467] ksys_write+0x68/0xe0 # [ 82.903167] do_syscall_64+0x33/0x40 # [ 82.907155] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 82.912790] RIP: 0033:0x7ff461a54f33 # [ 82.916779] 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 # [ 82.937731] RSP: 002b:00007ffef69602c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 82.946192] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007ff461a54f33 # [ 82.954162] RDX: 000000000000000b RSI: 00007ff461945000 RDI: 0000000000000001 # [ 82.962124] RBP: 00007ff461945000 R08: 00007ff461944010 R09: 0000000000000000 # [ 82.970079] R10: 00007ff461b4f1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 82.978032] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 82.986006] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 83.001960] CR2: ffffffff92325d72 # [ 83.005662] ---[ end trace 3fb4adc707f7a847 ]--- # [ 83.010816] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 83.015191] Code: 59 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 2b 71 02 # [ 83.036145] RSP: 0018:ffffba7e812f7e60 EFLAGS: 00010286 # [ 83.041974] RAX: ffffffff91cb1930 RBX: 0000000000000001 RCX: 0000000000000000 # [ 83.049930] RDX: 0000000000000000 RSI: ffffa0d6fbc1bf70 RDI: ffffffff928d9a70 # [ 83.057895] RBP: ffffffff92d23350 R08: 0000000000000001 R09: 0000000000000001 # [ 83.065851] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 83.073806] R13: ffffba7e812f7f10 R14: ffffba7e812f7f10 R15: ffffa0d6839a0000 # [ 83.081761] FS: 00007ff461b2c580(0000) GS:ffffa0d6fbd00000(0000) knlGS:0000000000000000 # [ 83.090796] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 83.097211] CR2: ffffffff92325d72 CR3: 0000000104ea4000 CR4: 00000000003506e0 # WRITE_KERN: saw 'call trace:': ok ok 41 selftests: lkdtm: WRITE_KERN.sh # selftests: lkdtm: REFCOUNT_INC_OVERFLOW.sh # [ 83.406601] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW # [ 83.415831] lkdtm: attempting good refcount_inc() without overflow # [ 83.422767] lkdtm: attempting bad refcount_inc() overflow # [ 83.428818] ------------[ cut here ]------------ # [ 83.440161] refcount_t: saturated; leaking memory. # [ 83[ 86.900883] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE [ 86.909253] lkdtm: attempting bad refcount_dec() below zero [ 86.915519] ------------[ cut here ]------------ [ 86.920700] refcount_t: decrement hit 0; leaking memory. [ 86.926706] WARNING: CPU: 1 PID: 2215 at lib/refcount.c:31 refcount_warn_saturate+0xdf/0xf0 [ 86.936069] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 86.952061] CPU: 1 PID: 2215 Comm: cat Tainted: G D W 5.10.131-cip13 #1 [ 86.960749] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 86.967394] RIP: 0010:refcount_warn_saturate+0xdf/0xf0 .451766] WARNING: CPU: 1 PID: 2052 at lib/refcount.c:22 refcount[ 86.973246] Code: ff 48 c7 c7 70 3b c6 92 c6 05 80 33 76 01 01 e8 bd ee 95 00 0f 0b c3 48 c7 c7 40 3b c6 92 c6 05 6b 33 76 01 01 e8 a7 ee 95 00 <0f> 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b 07 3d 00 00 [ 87.000449] RSP: 0018:ffffba7e8295fe48 EFLAGS: 00010286 [ 87.006303] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000 [ 87.014297] RDX: ffffa0d6fbcac660 RSI: ffffa0d6fbc9bf70 RDI: ffffa0d6fbc9bf70 [ 87.022292] RBP: ffffffff92cc80e3 R08: 0000000000000000 R09: 0000000000000000 [ 87.030287] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 [ 87.038279] R13: ffffba7e8295ff10 R14: ffffba7e8295ff10 R15: ffffa0d684d88000 [ 87.046265] FS: 00007f0561a1f580(0000) GS:ffffa0d6fbc80000(0000) knlGS:0000000000000000 [ 87.055324] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 87.061765] CR2: 00007f0561838000 CR3: 0000000105884000 CR4: 00000000003506e0 [ 87.069754] Call Trace: [ 87.072511] lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x5d [ 87.077889] direct_entry.cold+0x2c/0x38 [ 87.082301] full_proxy_write+0x56/0x80 [ 87.086613] vfs_write+0xea/0x390 [ 87.090341] ksys_write+0x68/0xe0 [ 87.094068] do_syscall_64+0x33/0x40 [ 87.098085] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 87.103750] RIP: 0033:0x7f0561947f33 [ 87.107768] 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 [ 87.128736] RSP: 002b:00007ffe7545a298 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 87.137209] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f0561947f33 [ 87.145195] RDX: 0000000000000016 RSI: 00007f0561838000 RDI: 0000000000000001 _warn_saturate+0x49/0xf0 # [ 83.467262] Modules linked in: fu[ 87.153192] RBP: 00007f0561838000 R08: 00007f0561837010 R09: 0000000000000000 [ 87.167388] R10: 00007f0561a421c0 R11: 0000000000000246 R12: 0000000000000001 se ip_tables cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros[ 87.175392] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 _ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 87.189567] irq event stamp: 0 [ 87.199215] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 87.206248] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 87.215416] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 87.224571] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 87.231599] ---[ end trace 3fb4adc707f7a84d ]--- [ 87.236778] lkdtm: Negative detected: saturated # [ 83.483227] CPU: 1 PID: 2052 Comm: cat Tainted: G D W 5.10.131-cip13 #1 # [ 83.491883] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 83.498545] RIP: 0010:refcount_warn_saturate+0x49/0xf0 # [ 83.504308] Code: 76 01 00 0f 84 a4 00 00 00 c3 85 f6 74 3e 80 3d 14 34 76 01 00 75 f2 48 c7 c7 c0 3a c6 92 c6 05 04 34 76 01 01 e8 3d ef 95 00 <0f> 0b c3 80 3d f4 33 76 01 00 75 d3 48 c7 c7 e8 3a c6 92 c6 05 e4 # [ 83.525274] RSP: 0018:ffffba7e826dfe48 EFLAGS: 00010286 # [ 83.531126] RAX: 0000000000000000 RBX: 000000000000002b RCX: 0000000000000000 # [ 83.539105] RDX: ffffa0d6fbcac660 RSI: ffffa0d6fbc9bf70 RDI: ffffa0d6fbc9bf70 # [ 83.547090] RBP: ffffffff92cc80a5 R08: 0000000000000000 R09: 0000000000000000 # [ 83.555070] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 83.563054] R13: ffffba7e826dff10 R14: ffffba7e826dff10 R15: ffffa0d682c2f000 # [ 83.571029] FS: 00007f78aee1e580(0000) GS:ffffa0d6fbc80000(0000) knlGS:0000000000000000 # [ 83.580083] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 83.586513] CR2: 00007f78aec37000 CR3: 0000000105860000 CR4: 00000000003506e0 # [ 83.594490] Call Trace: # [ 83.597238] lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x94 # [ 83.602610] direct_entry.cold+0x2c/0x38 # [ 83.607004] full_proxy_write+0x56/0x80 # [ 83.611311] vfs_write+0xea/0x390 # [ 83.615044] ksys_write+0x68/0xe0 # [ 83.618763] do_syscall_64+0x33/0x40 # [ 83.622769] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 83.628426] RIP: 0033:0x7f78aed46f33 # [ 83.632434] 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 # [ 83.653388] RSP: 002b:00007fff83106ed8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 83.661849] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f78aed46f33 # [ 83.669825] RDX: 0000000000000016 RSI: 00007f78aec37000 RDI: 0000000000000001 # [ 83.677806] RBP: 00007f78aec37000 R08: 00007f78aec36010 R09: 0000000000000000 # [ 83.685776] R10: 00007f78aee411c0 R11: 0000000000000246 R12: 0000000000000001 # [ 83.693748] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 83.701725] irq event stamp: 0 # [ 83.705150] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 83.712162] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 83.721305] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 83.730446] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 83.743638] ---[ end trace 3fb4adc707f7a848 ]--- # [ 83.754988] lkdtm: Overflow detected: saturated # REFCOUNT_INC_OVERFLOW: saw 'call trace:': ok ok 42 selftests: lkdtm: REFCOUNT_INC_OVERFLOW.sh # selftests: lkdtm: REFCOUNT_ADD_OVERFLOW.sh # [ 84.061000] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW # [ 84.070618] lkdtm: attempting good refcount_add() without overflow # [ 84.083714] lkdtm: attempting bad refcount_add() overflow # [ 84.089756] ------------[ cut here ]------------ # [ [ 87.549940] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE [ 87.559742] lkdtm: attempting bad refcount_dec_and_test() below zero [ 87.566869] ------------[ cut here ]------------ 84.094920] refcount_t: saturated; leaking memory. # [ 84.100[ 87.572054] refcount_t: underflow; use-after-free. 329] WARNING: CPU: 2 PID: 2084 at lib/refcount.c:22 refcount_war[ 87.583641] WARNING: CPU: 2 PID: 2250 at lib/refcount.c:28 refcount_warn_saturate+0xa6/0xf0 n_saturate+0x49/0xf0 # [ 84.109667] Modules linked in: fuse i[ 87.599167] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 87.621334] CPU: 2 PID: 2250 Comm: cat Tainted: G D W 5.10.131-cip13 #1 [ 87.630053] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 87.636728] RIP: 0010:refcount_warn_saturate+0xa6/0xf0 [ 87.642496] Code: 05 c7 33 76 01 01 e8 ff ee 95 00 0f 0b c3 80 3d b5 33 76 01 00 75 95 48 c7 c7 18 3b c6 92 c6 05 a5 33 76 01 01 e8 e0 ee 95 00 <0f> 0b c3 80 3d 94 33 76 01 00 0f 85 72 ff ff ff 48 c7 c7 70 3b c6 [ 87.663475] RSP: 0018:ffffba7e829e7e40 EFLAGS: 00010286 [ 87.669324] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000 [ 87.677302] RDX: ffffa0d6fbd2c660 RSI: ffffa0d6fbd1bf70 RDI: ffffa0d6fbd1bf70 [ 87.685279] RBP: ffffffff92cc7d38 R08: 0000000000000000 R09: 0000000000000000 [ 87.693255] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f [ 87.701234] R13: ffffba7e829e7f10 R14: ffffba7e829e7f10 R15: ffffa0d684fec000 [ 87.709220] FS: 00007fc5aa9f4580(0000) GS:ffffa0d6fbd00000(0000) knlGS:0000000000000000 [ 87.718273] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 87.724702] CR2: 00007fc5aa80d000 CR3: 0000000104d88000 CR4: 00000000003506e0 [ 87.732694] Call Trace: [ 87.735457] __refcount_sub_and_test.constprop.0+0x34/0x40 [ 87.741609] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x74 [ 87.747858] direct_entry.cold+0x2c/0x38 [ 87.752267] full_proxy_write+0x56/0x80 [ 87.756572] vfs_write+0xea/0x390 [ 87.760291] ksys_write+0x68/0xe0 [ 87.764013] do_syscall_64+0x33/0x40 [ 87.768030] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 87.773703] RIP: 0033:0x7fc5aa91cf33 [ 87.777719] 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 [ 87.798713] RSP: 002b:00007fff0a7f1988 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 87.807185] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fc5aa91cf33 [ 87.815161] RDX: 000000000000001f RSI: 00007fc5aa80d000 RDI: 0000000000000001 p_tables cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_[ 87.823137] RBP: 00007fc5aa80d000 R08: 00007fc5aa80c010 R09: 0000000000000000 [ 87.837316] R10: 00007fc5aaa171c0 R11: 0000000000000246 R12: 0000000000000001 [ 87.845286] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ [ 87.853268] irq event stamp: 0 84.131788] CPU: 2 PID: 2084 Comm: cat Tainted: G D W [ 87.862858] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 87.876075] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 87.885230] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 87.894371] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 87.901381] ---[ end trace 3fb4adc707f7a84e ]--- [ 87.906556] lkdtm: Negative detected: saturated 5.10.131-cip13 #1 # [ 84.140448] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 84.147073] RIP: 0010:refcount_warn_saturate+0x49/0xf0 # [ 84.152832] Code: 76 01 00 0f 84 a4 00 00 00 c3 85 f6 74 3e 80 3d 14 34 76 01 00 75 f2 48 c7 c7 c0 3a c6 92 c6 05 04 34 76 01 01 e8 3d ef 95 00 <0f> 0b c3 80 3d f4 33 76 01 00 75 d3 48 c7 c7 e8 3a c6 92 c6 05 e4 # [ 84.173792] RSP: 0018:ffffba7e8274fe48 EFLAGS: 00010286 # [ 84.179641] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000 # [ 84.187622] RDX: ffffa0d6fbd2c660 RSI: ffffa0d6fbd1bf70 RDI: ffffa0d6fbd1bf70 # [ 84.195607] RBP: ffffffff92cc80bb R08: 0000000000000000 R09: 0000000000000000 # [ 84.203584] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 84.211560] R13: ffffba7e8274ff10 R14: ffffba7e8274ff10 R15: ffffa0d68410f000 # [ 84.219540] FS: 00007fa28fbe3580(0000) GS:ffffa0d6fbd00000(0000) knlGS:0000000000000000 # [ 84.228583] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 84.234998] CR2: 00007fa28f9fc000 CR3: 0000000104dba000 CR4: 00000000003506e0 # [ 84.242973] Call Trace: # [ 84.245725] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa3 # [ 84.251097] direct_entry.cold+0x2c/0x38 # [ 84.255507] full_proxy_write+0x56/0x80 # [ 84.259823] vfs_write+0xea/0x390 # [ 84.263546] ksys_write+0x68/0xe0 # [ 84.267270] do_syscall_64+0x33/0x40 # [ 84.271280] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 84.276936] RIP: 0033:0x7fa28fb0bf33 # [ 84.280945] 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 # [ 84.301907] RSP: 002b:00007ffdd13280c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 84.310369] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fa28fb0bf33 # [ 84.318352] RDX: 0000000000000016 RSI: 00007fa28f9fc000 RDI: 0000000000000001 # [ 84.326332] RBP: 00007fa28f9fc000 R08: 00007fa28f9fb010 R09: 0000000000000000 # [ 84.334308] R10: 00007fa28fc061c0 R11: 0000000000000246 R12: 0000000000000001 # [ 84.342278] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 84.356444] irq event stamp: 0 # [ 84.366043] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 84.379237] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 84.388377] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 84.397520] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 84.404519] ---[ end trace 3fb4adc707f7a849 ]--- # [ 84.409684] 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 # [ 84.695837] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW # [ 84.707629] lkdtm: attempting bad refcount_inc_not_zero() overflow # [ 84.720721] ------------[ cut here ]------------ # [ 84.732132] refcount_t: saturated; leaking memory.[ 88.215731] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE # [ 84.743711] WARNING: CPU: 3 PID: 2116 at lib/refcount.c:1[ 88.223356] lkdtm: attempting bad refcount_sub_and_test() below zero [ 88.236666] ------------[ cut here ]------------ 9 refcount_warn_saturate+0x87/0xf0 # [ 84.759453] Modules lin[ 88.241862] refcount_t: underflow; use-after-free. ked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros_ec_ch[ 88.253441] WARNING: CPU: 1 PID: 2285 at lib/refcount.c:28 refcount_warn_saturate+0xa6/0xf0 [ 88.268928] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 88.284891] CPU: 1 PID: 2285 Comm: cat Tainted: G D W 5.10.131-cip13 #1 [ 88.293577] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 88.300227] RIP: 0010:refcount_warn_saturate+0xa6/0xf0 [ 88.305983] Code: 05 c7 33 76 01 01 e8 ff ee 95 00 0f 0b c3 80 3d b5 33 76 01 00 75 95 48 c7 c7 18 3b c6 92 c6 05 a5 33 76 01 01 e8 e0 ee 95 00 <0f> 0b c3 80 3d 94 33 76 01 00 0f 85 72 ff ff ff 48 c7 c7 70 3b c6 [ 88.326951] RSP: 0018:ffffba7e82a5fe40 EFLAGS: 00010286 [ 88.332802] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000 [ 88.340776] RDX: ffffa0d6fbcac660 RSI: ffffa0d6fbc9bf70 RDI: ffffa0d6fbc9bf70 [ 88.348758] RBP: ffffffff92cc7d58 R08: 0000000000000000 R09: 0000000000000000 [ 88.356741] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f [ 88.364724] R13: ffffba7e82a5ff10 R14: ffffba7e82a5ff10 R15: ffffa0d68582f000 [ 88.372709] FS: 00007f737e920580(0000) GS:ffffa0d6fbc80000(0000) knlGS:0000000000000000 [ 88.381756] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 88.388181] CR2: 00007f737e739000 CR3: 0000000104d88000 CR4: 00000000003506e0 [ 88.396162] Call Trace: [ 88.398923] __refcount_sub_and_test.constprop.0+0x34/0x40 [ 88.405076] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x77 [ 88.411322] direct_entry.cold+0x2c/0x38 [ 88.415730] full_proxy_write+0x56/0x80 [ 88.420047] vfs_write+0xea/0x390 [ 88.423768] ksys_write+0x68/0xe0 [ 88.427496] do_syscall_64+0x33/0x40 [ 88.431512] entry_SYSCALL_64_after_hwframe+0x44/0xa9 ardev cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbp[ 88.437160] RIP: 0033:0x7f737e848f33 [ 88.447360] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 88.468320] RSP: 002b:00007ffedcd64ba8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 88.476784] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f737e848f33 [ 88.484763] RDX: 000000000000001f RSI: 00007f737e739000 RDI: 0000000000000001 [ 88.492742] RBP: 00007f737e739000 R08: 00007f737e738010 R09: 0000000000000000 [ 88.500728] R10: 00007f737e9431c0 R11: 0000000000000246 R12: 0000000000000001 [ 88.508704] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 d_notify # [ 84.781386] CPU: 3 PID: 2116 Comm: cat Tainted: G[ 88.516704] irq event stamp: 0 D W 5.10.131-cip13 #1 # [ 84.796387] Hardware n[ 88.526292] hardirqs last enabled at (0): [<0000000000000000>] 0x0 ame: Google Coral/Coral, BIOS 09/29/2020 # [ 84.809137] RIP:[ 88.539490] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 88.554819] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 88.563960] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 88.570970] ---[ end trace 3fb4adc707f7a84f ]--- 0010:refcount_warn_saturate+0x87/0xf0 # [ 84.820998] Code: 0[ 88.576150] lkdtm: Negative detected: saturated 5 e4 33 76 01 01 e8 1e ef 95 00 0f 0b c3 80 3d d7 33 76 01 00 75 b4 48 c7 c7 c0 3a c6 92 c6 05 c7 33 76 01 01 e8 ff ee 95 00 <0f> 0b c3 80 3d b5 33 76 01 00 75 95 48 c7 c7 18 3b c6 92 c6 05 a5 # [ 84.848200] RSP: 0018:ffffba7e827d7e38 EFLAGS: 00010282 # [ 84.860141] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 # [ 84.874469] RDX: ffffa0d6fbdac660 RSI: ffffa0d6fbd9bf70 RDI: ffffa0d6fbd9bf70 # [ 84.888575] RBP: ffffffff92cc7cf8 R08: 0000000000000000 R09: 0000000000000000 # [ 84.902763] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 84.916875] R13: ffffba7e827d7f10 R14: ffffba7e827d7f10 R15: ffffa0d684cd5000 # [ 84.931108] FS: 00007fe6ffa91580(0000) GS:ffffa0d6fbd80000(0000) knlGS:0000000000000000 # [ 84.946285] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 84.958938] CR2: 00007fe6ff8aa000 CR3: 0000000104f3c000 CR4: 00000000003506e0 # [ 84.973082] Call Trace: # [ 84.982067] __refcount_add_not_zero.constprop.0+0x2a/0x31 # [ 84.994341] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x72 # [ 85.006784] direct_entry.cold+0x2c/0x38 # [ 85.017295] full_proxy_write+0x56/0x80 # [ 85.027827] vfs_write+0xea/0x390 # [ 85.037670] ksys_write+0x68/0xe0 # [ 85.047549] do_syscall_64+0x33/0x40 # [ 85.057804] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 85.069606] RIP: 0033:0x7fe6ff9b9f33 # [ 85.079804] 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 # [ 85.107072] RSP: 002b:00007ffdc4d9e028 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 85.121675] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fe6ff9b9f33 # [ 85.135812] RDX: 000000000000001f RSI: 00007fe6ff8aa000 RDI: 0000000000000001 # [ 85.149961] RBP: 00007fe6ff8aa000 R08: 00007fe6ff8a9010 R09: 0000000000000000 # [ 85.164137] R10: 00007fe6ffab41c0 R11: 0000000000000246 R12: 0000000000000001 # [ 85.178319] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 85.192486] irq event stamp: 0 # [ 85.202122] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 85.215301] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 85.230621] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 85.245976] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 85.259152] ---[ end trace 3fb4adc707f7a84a ]--- # [ 85.270534] lkdtm: Overflow detected: saturated # REFCOUNT_INC_NOT_ZERO_OVERFLOW: saw 'call trace:': ok ok 44 selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh # selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh # [ 85.603163] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW # [ 85.611717] lkdtm: attempting bad refcount_add_not_zero() overflow # [ 85.618659] ------------[ cut here ]------------ # [ 85.623826] refcount_t: saturated; leaking memory. # [ 85.629240] WARNING: CPU: 1 PID: 2148 at lib/refcount.c:19 refcount_warn_saturate+0x87/0xf0 # [ 85.644763] Modules linked in: fuse ip_tables[ 88.896432] lkdtm: Performing direct entry REFCOUNT_INC_ZERO cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_debugfs [ 88.903973] lkdtm: attempting safe refcount_inc_not_zero() from zero x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 85.660[ 88.917306] lkdtm: Good: zero detected 764] CPU: 1 PID: 2148 Comm: cat Tainted: G D W 5.10[ 88.927676] lkdtm: Correctly stayed at zero .131-cip13 #1 # [ 85.669445] Hardware name: Google Coral/Cora[ 88.938534] lkdtm: attempting bad refcount_inc() from zero l, BIOS 09/29/2020 # [ 85.676083] RIP: 0010:refcount_warn_sa[ 88.950860] ------------[ cut here ]------------ turate+0x87/0xf0 # [ 85.681844] Code: 05 e4 33 76 01 01 e8 1e[ 88.962254] refcount_t: addition on 0; use-after-free. ef 95 00 0f 0b c3 80 3d d7 33 76 01 00 75 b4 48 c7 c7 c0 3a c6 [ 88.974265] WARNING: CPU: 3 PID: 2317 at lib/refcount.c:25 refcount_warn_saturate+0x68/0xf0 92 c6 05 c7 33 76 01 01 e8 ff ee 95 00 <0f> 0b c3 80 3d b5 33 76[ 88.989697] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 01 00 75 95 48 c7 c7 18 3b c6 92 c6 05 a5 # [ 85.702815] RSP[ 89.011852] CPU: 3 PID: 2317 Comm: cat Tainted: G D W 5.10.131-cip13 #1 : 0018:ffffba7e8285fe38 EFLAGS: 00010282 # [ 85.708671] RAX: [ 89.026697] Hardware name: Google Coral/Coral, BIOS 09/29/2020 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 # [ 89.039571] RIP: 0010:refcount_warn_saturate+0x68/0xf0 [ 85.716659] RDX: ffffa0d6fbcac660 RSI: ffffa0d6fbc9bf70 RDI: [ 89.051489] Code: 05 04 34 76 01 01 e8 3d ef 95 00 0f 0b c3 80 3d f4 33 76 01 00 75 d3 48 c7 c7 e8 3a c6 92 c6 05 e4 33 76 01 01 e8 1e ef 95 00 <0f> 0b c3 80 3d d7 33 76 01 00 75 b4 48 c7 c7 c0 3a c6 92 c6 05 c7 ffffa0d6fbc9bf70 # [ 85.724654] RBP: ffffffff92cc7d18 R08: 00[ 89.078672] RSP: 0018:ffffba7e82adfe48 EFLAGS: 00010286 00000000000000 R09: 0000000000000000 # [ 85.732655] R10: 0000[ 89.090693] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000 0000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ [ 89.104886] RDX: ffffa0d6fbdac660 RSI: ffffa0d6fbd9bf70 RDI: ffffa0d6fbd9bf70 85.740638] R13: ffffba7e8285ff10 R14: ffffba7e8285ff10 R15: ffff[ 89.119056] RBP: ffffffff92cc80f9 R08: 0000000000000000 R09: 0000000000000000 a0d684cc1000 # [ 85.748618] FS: 00007fe6b3ead580(0000) GS:ff[ 89.133244] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 ffa0d6fbc80000(0000) knlGS:0000000000000000 # [ 85.757675] CS[ 89.147449] R13: ffffba7e82adff10 R14: ffffba7e82adff10 R15: ffffa0d684b85000 : 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 85.764112[ 89.161613] FS: 00007f24439e6580(0000) GS:ffffa0d6fbd80000(0000) knlGS:0000000000000000 ] CR2: 00007fe6b3cc6000 CR3: 0000000103628000 CR4: 0000000000350[ 89.176897] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 6e0 # [ 85.772098] Call Trace: # [ 85.774858] __refcount_[ 89.189500] CR2: 00007f24437ff000 CR3: 0000000105bfa000 CR4: 00000000003506e0 add_not_zero.constprop.0+0x2a/0x31 # [ 85.781008] lkdtm_REFC[ 89.203758] Call Trace: OUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x72 # [ 85.787250] direct_e[ 89.213013] lkdtm_REFCOUNT_INC_ZERO+0x99/0xbd ntry.cold+0x2c/0x38 # [ 85.791647] full_proxy_write+0x56/0x8[ 89.223870] direct_entry.cold+0x2c/0x38 0 # [ 85.795966] vfs_write+0xea/0x390 # [ 85.799700] ksy[ 89.234600] full_proxy_write+0x56/0x80 s_write+0x68/0xe0 # [ 85.803431] do_syscall_64+0x33/0x40 # [ 89.244942] vfs_write+0xea/0x390 [ 85.807438] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ [ 89.254956] ksys_write+0x68/0xe0 85.813100] RIP: 0033:0x7fe6b3dd5f33 # [ 85.817116] Code: 8b 1[ 89.264821] do_syscall_64+0x33/0x40 5 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00[ 89.275061] entry_SYSCALL_64_after_hwframe+0x44/0xa9 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3[ 89.286886] RIP: 0033:0x7f244390ef33 d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 #[ 89.297124] 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 [ 85.838073] RSP: 002b:00007fff5b933a78 EFLAGS: 00000246 ORIG[ 89.324269] RSP: 002b:00007ffde147a388 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 _RAX: 0000000000000001 # [ 85.846538] RAX: ffffffffffffffda R[ 89.338963] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f244390ef33 BX: 000000000000001f RCX: 00007fe6b3dd5f33 # [ 85.854520] RDX[ 89.353114] RDX: 0000000000000012 RSI: 00007f24437ff000 RDI: 0000000000000001 : 000000000000001f RSI: 00007fe6b3cc6000 RDI: 0000000000000001 [ 89.367330] RBP: 00007f24437ff000 R08: 00007f24437fe010 R09: 0000000000000000 # [ 85.862504] RBP: 00007fe6b3cc6000 R08: 00007fe6b3cc5010 R09[ 89.381512] R10: 00007f2443a091c0 R11: 0000000000000246 R12: 0000000000000001 : 0000000000000000 # [ 85.870486] R10: 00007fe6b3ed01c0 R11: [ 89.395709] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 0000000000000246 R12: 0000000000000001 # [ 85.878464] R13: 00[ 89.409878] irq event stamp: 0 00000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ [ 89.419520] hardirqs last enabled at (0): [<0000000000000000>] 0x0 85.886454] irq event stamp: 0 # [ 85.896062] hardirqs last [ 89.432723] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 enabled at (0): [<0000000000000000>] 0x0 # [ 85.909279] hard[ 89.448120] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 irqs last disabled at (0): [] copy_process+0x6[ 89.463447] softirqs last disabled at (0): [<0000000000000000>] 0x0 3c/0x1c80 # [ 85.918421] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 85.927576] soft[ 89.488010] lkdtm: Zero detected: saturated irqs last disabled at (0): [<0000000000000000>] 0x0 # [ 85.934586] ---[ end trace 3fb4adc707f7a84b ]--- # [ 85.939755] lkdtm: Overflow detected: saturated # REFCOUNT_ADD_NOT_ZERO_OVERFLOW: saw 'call trace:': ok ok 45 selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh # selftests: lkdtm: REFCOUNT_DEC_ZERO.sh # [ 86.240380] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO # [ 86.249160] lkdtm: attempting good refcount_dec() # [ 86.260632] lkdtm: attempting bad refcount_dec() to zero # [ 86.266578] ------------[ cut here ]------------ # [ 86.277951] refcount_t: decrement hit 0; leaking memory. # [ 86.283954] WARNING: CPU: 2 PID: 2180 at lib/refcount.c:31 refcount_warn_saturate+0xdf/0xf0 # [ 86.293291] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 86.309274] CPU: 2 PID: 2180 Comm: cat Tainted: G D W 5.10.131-cip13 #1 # [ 86.317977] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 86.324633] RIP: 0010:refcount_warn_saturate+0xdf/0xf0 # [ 86.330389] Code: ff 48 c7 c7 70 3b c6 92 c6 05 80 33 76 01 01 e8 bd ee 95 00 0f 0b c3 48 c7 c7 40 3b c6 92 c6 05 6b 33 76 01 01 e8 a7 ee 95 00 <0f> 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b 07 3d 00 00 # [ 86.351382] RSP: 0018:ffffba7e828dfe48 EFLAGS: 00010286 # [ 86.357244] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000 # [ 86.365233] RDX: ffffa0d6fbd2c660 RSI: ffffa0d6fbd1bf70 RDI: ffffa0d6fbd1bf70 # [ 86.373227] RBP: ffffffff92cc80d1 R08: 0000000000000000 R09: 0000000000000000 # [ 86.381210] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 86.389195] R13: ffffba7e828dff10 R14: ffffba7e828dff10 R15: ffffa0d685a9d000 # [ 86.397182] FS: 00007f36cd6a0580(0000) GS:ffffa0d6fbd00000(0000) knlGS:0000000000000000 # [ 86.412428] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 86.418867] CR2: 00007f36cd4b9000 CR3: 0000000104f08000 CR4: 00000000003506e0 # [ 86.426853] Call Trace: # [ 86.429609] lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xb9 # [ 86.434598] direct_entry.cold+0x2c/0x38 # [ 86.439003] full_proxy_write+0x56/0x80 # [ 86.443310] vfs_write+0xea/0x390 # [ 86.447043] ksys_write+0x68/0xe0 # [ 86.450762] do_syscall_64+0x33/0x40 # [ 86.454774] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 86.460436] RIP: 0033:0x7f36cd5c8f33 # [ 86.464447] 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 # [ 86.485421] RSP: 002b:00007ffd3df54ad8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 86.493884] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f36cd5c8f33 # [ 86.501870] RDX: 0000000000000012 RSI: 00007f36cd4b9000 RDI: 0000000000000001 # [ 86.509862] RBP: 00007f36cd4b9000 R08: 00007f36cd4b8010 R09: 0000000000000000 # [ 86.517853] R10: 00007f36cd6c31c0 R11: 0000000000000246 R12: 0000000000000001 # [ 86.525841] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 86.533834] irq event stamp: 0 # [ 86.537258] hardirqs last enabled a[ 89.813953] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO t (0): [<0000000000000000>] 0x0 # [ 86.550489] hardirqs last [ 89.821892] lkdtm: attempting safe refcount_add_not_zero() from zero disabled at (0): [] copy_process+0x63c/0x1c80[ 89.835192] lkdtm: Good: zero detected [ 89.845572] lkdtm: Correctly stayed at zero [ 89.850260] lkdtm: attempting bad refcount_add() from zero [ 89.856405] ------------[ cut here ]------------ [ 89.861583] refcount_t: addition on 0; use-after-free. [ 89.867392] WARNING: CPU: 2 PID: 2349 at lib/refcount.c:25 refcount_warn_saturate+0x68/0xf0 # [ 86.565845] softirqs last enabled at (0): [ 0b c3 80 3d d7 33 76 01 00 75 b4 48 c7 c7 c0 3a c6 92 c6 05 c7 [ 89.940954] RSP: 0018:ffffba7e82b3fe48 EFLAGS: 00010286 [ 89.946817] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000 [ 89.954804] RDX: ffffa0d6fbd2c660 RSI: ffffa0d6fbd1bf70 RDI: ffffa0d6fbd1bf70 [ 89.962799] RBP: ffffffff92cc810b R08: 0000000000000000 R09: 0000000000000000 [ 89.970786] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 [ 89.978780] R13: ffffba7e82b3ff10 R14: ffffba7e82b3ff10 R15: ffffa0d683fbc000 [ 89.986772] FS: 00007f48f963e580(0000) GS:ffffa0d6fbd00000(0000) knlGS:0000000000000000 [ 89.995838] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 90.002278] CR2: 00007f48f9457000 CR3: 0000000103d3c000 CR4: 00000000003506e0 [ 90.010267] Call Trace: [ 90.013026] lkdtm_REFCOUNT_ADD_ZERO+0x99/0xbd [ 90.018023] direct_entry.cold+0x2c/0x38 [ 90.022433] full_proxy_write+0x56/0x80 [ 90.026745] vfs_write+0xea/0x390 [ 90.030472] ksys_write+0x68/0xe0 [ 90.034202] do_syscall_64+0x33/0x40 [ 90.038215] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 90.043882] RIP: 0033:0x7f48f9566f33 [ 90.047890] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 90.068862] RSP: 002b:00007ffd022ec448 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 90.077344] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f48f9566f33 [ 90.085339] RDX: 0000000000000012 RSI: 00007f48f9457000 RDI: 0000000000000001 [ 90.093329] RBP: 00007f48f9457000 R08: 00007f48f9456010 R09: 0000000000000000 f9c>] copy_process+0x63c/0x1c80 # [ 86.575008] softirqs last [ 90.101308] R10: 00007f48f96611c0 R11: 0000000000000246 R12: 0000000000000001 [ 90.115485] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 disabled at (0): [<0000000000000000>] 0x0 # [ 86.582038] ---[[ 90.123475] irq event stamp: 0 [ 90.133090] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 90.140118] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 90.149265] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 90.158414] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 90.165431] ---[ end trace 3fb4adc707f7a851 ]--- [ 90.170605] lkdtm: Zero detected: saturated end trace 3fb4adc707f7a84c ]--- # [ 86.587214] 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 # [ 86.900883] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE # [ 86.909253] lkdtm: attempting bad refcount_dec() below zero # [ 86.915519] ------------[ cut here ]------------ # [ 86.920700] refcount_t: decrement hit 0; leaking memory. # [ 86.926706] WARNING: CPU: 1 PID: 2215 at lib/refcount.c:31 refcount_warn_saturate+0xdf/0xf0 # [ 86.936069] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 86.952061] CPU: 1 PID: 2215 Comm: cat Tainted: G D W 5.10.131-cip13 #1 # [ 86.960749] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 86.967394] RIP: 0010:refcount_warn_saturate+0xdf/0xf0 # [ 86.973246] Code: ff 48 c7 c7 70 3b c6 92 c6 05 80 33 76 01 01 e8 bd ee 95 00 0f 0b c3 48 c7 c7 40 3b c6 92 c6 05 6b 33 76 01 01 e8 a7 ee 95 00 <0f> 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b 07 3d 00 00 # [ 87.000449] RSP: 0018:ffffba7e8295fe48 EFLAGS: 00010286 # [ 87.006303] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000 # [ 87.014297] RDX: ffffa0d6fbcac660 RSI: ffffa0d6fbc9bf70 RDI: ffffa0d6fbc9bf70 # [ 87.022292] RBP: ffffffff92cc80e3 R08: 0000000000000000 R09: 0000000000000000 # [ 87.030287] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 87.038279] R13: ffffba7e8295ff10 R14: ffffba7e8295ff10 R15: ffffa0d684d88000 # [ 87.046265] FS: 00007f0561a1f580(0000) GS:ffffa0d6fbc80000(0000) knlGS:0000000000000000 # [ 87.055324] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 87.061765] CR2: 00007f0561838000 CR3: 0000000105884000 CR4: 00000000003506e0 # [ 87.069754] Call Trace: # [ 87.072511] lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x5d # [ 87.077889] direct_entry.cold+0x2c/0x38 # [ 87.082301] full_proxy_write+0x56/0x80 # [ 87.086613] vfs_write+0xea/0x390 # [ 87.090341] ksys_write+0x68/0xe0 # [ 87.094068] do_syscall_64+0x33/0x40 # [ 87.098085] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 87.103750] RIP: 0033:0x7f0561947f33 # [ 87.107768] 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 # [ 87.128736] RSP: 002b:00007ffe7545a298 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 87.137209] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f0561947f33 # [ 87.145195] RDX: 0000000000000016 RSI: 00007f0561838000 RDI: 0000000000000001 # [ 87.153192] RBP: 00007f0561838000 R08: 00007f0561837010 R09: 0000000000000000 # [ 87.167388] R10: 00007f0561a421c0 R11: 0000000000000246 R12: 0000000000000001 # [ 87.175392] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 87.189567] irq event stamp: 0 # [ 87.199215] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 87.206248] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 87.215416][ 90.489103] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED [ 90.498972] lkdtm: attempting bad refcount_inc() from saturated [ 90.505634] ------------[ cut here ]------------ softirqs last enabled at (0): [] copy_proces[ 90.510817] refcount_t: saturated; leaking memory. s+0x63c/0x1c80 # [ 87.224571] softirqs last disabled at (0): [ 90.522450] WARNING: CPU: 1 PID: 2384 at lib/refcount.c:22 refcount_warn_saturate+0x49/0xf0 [ 90.537978] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 90.553982] CPU: 1 PID: 2384 Comm: cat Tainted: G D W 5.10.131-cip13 #1 [ 90.562659] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 90.569301] RIP: 0010:refcount_warn_saturate+0x49/0xf0 [ 90.575064] Code: 76 01 00 0f 84 a4 00 00 00 c3 85 f6 74 3e 80 3d 14 34 76 01 00 75 f2 48 c7 c7 c0 3a c6 92 c6 05 04 34 76 01 01 e8 3d ef 95 00 <0f> 0b c3 80 3d f4 33 76 01 00 75 d3 48 c7 c7 e8 3a c6 92 c6 05 e4 [ 90.596065] RSP: 0018:ffffba7e82bd7e48 EFLAGS: 00010286 [ 90.601926] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000 [ 90.609918] RDX: ffffa0d6fbcac660 RSI: ffffa0d6fbc9bf70 RDI: ffffa0d6fbc9bf70 [ 90.617905] RBP: ffffffff92cc811d R08: 0000000000000000 R09: 0000000000000000 [ 90.625900] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 [ 90.633889] R13: ffffba7e82bd7f10 R14: ffffba7e82bd7f10 R15: ffffa0d683fd8000 [ 90.641875] FS: 00007fa8066ce580(0000) GS:ffffa0d6fbc80000(0000) knlGS:0000000000000000 [ 90.650931] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 90.657369] CR2: 00007fa8064e7000 CR3: 0000000104d88000 CR4: 00000000003506e0 [ 90.665349] Call Trace: [ 90.668110] lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x60 [ 90.673590] direct_entry.cold+0x2c/0x38 [ 90.678004] full_proxy_write+0x56/0x80 [ 90.682328] vfs_write+0xea/0x390 [ 90.686058] ksys_write+0x68/0xe0 [ 90.689790] do_syscall_64+0x33/0x40 [ 90.693811] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 90.699483] RIP: 0033:0x7fa8065f6f33 [ 90.703496] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 90.724492] RSP: 002b:00007ffebb950c28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 90.732975] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007fa8065f6f33 [ 90.740957] RDX: 0000000000000017 RSI: 00007fa8064e7000 RDI: 0000000000000001 [ 90.748956] RBP: 00007fa8064e7000 R08: 00007fa8064e6010 R09: 0000000000000000 [ 90.756950] R10: 00007fa8066f11c0 R11: 0000000000000246 R12: 0000000000000001 [ 90.764943] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 90.772948] irq event stamp: 0 [ 90.776380] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 90.783413] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [<0000000000000000>] 0x0 # [ 87.231599] ---[ end trace 3fb4ad[ 90.792569] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 c707f7a84d ]--- # [ 87.236778] lkdtm: Negative detected: satu[ 90.807930] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 90.821166] ---[ end trace 3fb4adc707f7a852 ]--- [ 90.826337] lkdtm: Saturation detected: still saturated rated # REFCOUNT_DEC_NEGATIVE: saw 'Negative detected: saturated': ok ok 47 selftests: lkdtm: REFCOUNT_DEC_NEGATIVE.sh # selftests: lkdtm: REFCOUNT_DEC_AND_TEST_NEGATIVE.sh # [ 87.549940] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE # [ 87.559742] lkdtm: attempting bad refcount_dec_and_test() below zero # [ 87.566869] ------------[ cut here ]------------ # [ 87.572054] refcount_t: underflow; use-after-free. # [ 87.583641] WARNING: CPU: 2 PID: 2250 at lib/refcount.c:28 refcount_warn_saturate+0xa6/0xf0 # [ 87.599167] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 87.621334] CPU: 2 PID: 2250 Comm: cat Tainted: G D W 5.10.131-cip13 #1 # [ 87.630053] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 87.636728] RIP: 0010:refcount_warn_saturate+0xa6/0xf0 # [ 87.642496] Code: 05 c7 33 76 01 01 e8 ff ee 95 00 0f 0b c3 80 3d b5 33 76 01 00 75 95 48 c7 c7 18 3b c6 92 c6 05 a5 33 76 01 01 e8 e0 ee 95 00 <0f> 0b c3 80 3d 94 33 76 01 00 0f 85 72 ff ff ff 48 c7 c7 70 3b c6 # [ 87.663475] RSP: 0018:ffffba7e829e7e40 EFLAGS: 00010286 # [ 87.669324] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000 # [ 87.677302] RDX: ffffa0d6fbd2c660 RSI: ffffa0d6fbd1bf70 RDI: ffffa0d6fbd1bf70 # [ 87.685279] RBP: ffffffff92cc7d38 R08: 0000000000000000 R09: 0000000000000000 # [ 87.693255] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 87.701234] R13: ffffba7e829e7f10 R14: ffffba7e829e7f10 R15: ffffa0d684fec000 # [ 87.709220] FS: 00007fc5aa9f4580(0000) GS:ffffa0d6fbd00000(0000) knlGS:0000000000000000 # [ 87.718273] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 87.724702] CR2: 00007fc5aa80d000 CR3: 0000000104d88000 CR4: 00000000003506e0 # [ 87.732694] Call Trace: # [ 87.735457] __refcount_sub_and_test.constprop.0+0x34/0x40 # [ 87.741609] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x74 # [ 87.747858] direct_entry.cold+0x2c/0x38 # [ 87.752267] full_proxy_write+0x56/0x80 # [ 87.756572] vfs_write+0xea/0x390 # [ 87.760291] ksys_write+0x68/0xe0 # [ 87.764013] do_syscall_64+0x33/0x40 # [ 87.768030] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 87.773703] RIP: 0033:0x7fc5aa91cf33 # [ 87.777719] 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 # [ 87.798713] RSP: 002b:00007fff0a7f1988 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 87.807185] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fc5aa91cf33 # [ 87.815161] RDX: 000000000000001f RSI: 00007fc5aa80d000 RDI: 0000000000000001 # [ 87.823137] RBP: 00007fc5aa80d000 R08: 00007fc5aa80c010 R09: 0000000000000000 # [ 87.837316] R10: 00007fc5aaa171c0 R11: 0000000000000246 R12: 0000000000000001 # [ 87.845286] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 87.853268] irq event stamp: 0 # [ 87.862858] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 87.876075] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 87.885230] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ [ 91.157823] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED [ 91.168206] lkdtm: attempting bad refcount_dec() from saturated [ 91.174848] ------------[ cut here ]------------ [ 91.180011] refcount_t: decrement hit 0; leaking memory. [ 91.186015] WARNING: CPU: 1 PID: 2419 at lib/refcount.c:31 refcount_warn_saturate+0xdf/0xf0 [ 91.195356] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 91.211337] CPU: 1 PID: 2419 Comm: cat Tainted: G D W 5.10.131-cip13 #1 [ 91.220022] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 91.226664] RIP: 0010:refcount_warn_saturate+0xdf/0xf0 [ 91.232427] Code: ff 48 c7 c7 70 3b c6 92 c6 05 80 33 76 01 01 e8 bd ee 95 00 0f 0b c3 48 c7 c7 40 3b c6 92 c6 05 6b 33 76 01 01 e8 a7 ee 95 00 <0f> 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b 07 3d 00 00 [ 91.253419] RSP: 0018:ffffba7e82c3fe48 EFLAGS: 00010286 [ 91.259282] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000 [ 91.267261] RDX: ffffa0d6fbcac660 RSI: ffffa0d6fbc9bf70 RDI: ffffa0d6fbc9bf70 [ 91.275249] RBP: ffffffff92cc8134 R08: 0000000000000000 R09: 0000000000000000 [ 91.283241] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 [ 91.291229] R13: ffffba7e82c3ff10 R14: ffffba7e82c3ff10 R15: ffffa0d68645f000 [ 91.299226] FS: 00007f36fb392580(0000) GS:ffffa0d6fbc80000(0000) knlGS:0000000000000000 [ 91.308285] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 91.314723] CR2: 00007f36fb1ab000 CR3: 000000010595a000 CR4: 00000000003506e0 [ 91.322711] Call Trace: [ 91.325469] lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5b [ 91.330945] direct_entry.cold+0x2c/0x38 [ 91.335359] full_proxy_write+0x56/0x80 [ 91.339675] vfs_write+0xea/0x390 [ 91.343401] ksys_write+0x68/0xe0 [ 91.347137] do_syscall_64+0x33/0x40 [ 91.351157] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 91.356829] RIP: 0033:0x7f36fb2baf33 [ 91.360847] 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 [ 91.381843] RSP: 002b:00007ffd2fd2cf78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 91.390330] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f36fb2baf33 [ 91.398324] RDX: 0000000000000017 RSI: 00007f36fb1ab000 RDI: 0000000000000001 [ 91.406319] RBP: 00007f36fb1ab000 R08: 00007f36fb1aa010 R09: 0000000000000000 [ 91.414308] R10: 00007f36fb3b51c0 R11: 0000000000000246 R12: 0000000000000001 [ 91.422296] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 91.430301] irq event stamp: 0 87.894371] softirqs last disabled at (0): [<0000000000000000>] [ 91.433729] hardirqs last enabled at (0): [<0000000000000000>] 0x0 0x0 # [ 87.901381] ---[ end trace 3fb4adc707f7a84e ]--- # [ [ 91.446944] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 87.906556] lkdtm: Negative detected: saturated # REFCOUNT_DEC[ 91.462285] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 91.477632] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 91.484647] ---[ end trace 3fb4adc707f7a853 ]--- [ 91.489825] lkdtm: Saturation detected: still saturated _AND_TEST_NEGATIVE: saw 'Negative detected: saturated': ok ok 48 selftests: lkdtm: REFCOUNT_DEC_AND_TEST_NEGATIVE.sh # selftests: lkdtm: REFCOUNT_SUB_AND_TEST_NEGATIVE.sh # [ 88.215731] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE # [ 88.223356] lkdtm: attempting bad refcount_sub_and_test() below zero # [ 88.236666] ------------[ cut here ]------------ # [ 88.241862] refcount_t: underflow; use-after-free. # [ 88.253441] WARNING: CPU: 1 PID: 2285 at lib/refcount.c:28 refcount_warn_saturate+0xa6/0xf0 # [ 88.268928] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 88.284891] CPU: 1 PID: 2285 Comm: cat Tainted: G D W 5.10.131-cip13 #1 # [ 88.293577] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 88.300227] RIP: 0010:refcount_warn_saturate+0xa6/0xf0 # [ 88.305983] Code: 05 c7 33 76 01 01 e8 ff ee 95 00 0f 0b c3 80 3d b5 33 76 01 00 75 95 48 c7 c7 18 3b c6 92 c6 05 a5 33 76 01 01 e8 e0 ee 95 00 <0f> 0b c3 80 3d 94 33 76 01 00 0f 85 72 ff ff ff 48 c7 c7 70 3b c6 # [ 88.326951] RSP: 0018:ffffba7e82a5fe40 EFLAGS: 00010286 # [ 88.332802] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000 # [ 88.340776] RDX: ffffa0d6fbcac660 RSI: ffffa0d6fbc9bf70 RDI: ffffa0d6fbc9bf70 # [ 88.348758] RBP: ffffffff92cc7d58 R08: 0000000000000000 R09: 0000000000000000 # [ 88.356741] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 88.364724] R13: ffffba7e82a5ff10 R14: ffffba7e82a5ff10 R15: ffffa0d68582f000 # [ 88.372709] FS: 00007f737e920580(0000) GS:ffffa0d6fbc80000(0000) knlGS:0000000000000000 # [ 88.381756] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 88.388181] CR2: 00007f737e739000 CR3: 0000000104d88000 CR4: 00000000003506e0 # [ 88.396162] Call Trace: # [ 88.398923] __refcount_sub_and_test.constprop.0+0x34/0x40 # [ 88.405076] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x77 # [ 88.411322] direct_entry.cold+0x2c/0x38 # [ 88.415730] full_proxy_write+0x56/0x80 # [ 88.420047] vfs_write+0xea/0x390 # [ 88.423768] ksys_write+0x68/0xe0 # [ 88.427496] do_syscall_64+0x33/0x40 # [ 88.431512] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 88.437160] RIP: 0033:0x7f737e848f33 # [ 88.447360] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 88.468320] RSP: 002b:00007ffedcd64ba8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 88.476784] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f737e848f33 # [ 88.484763] RDX: 000000000000001f RSI: 00007f737e739000 RDI: 0000000000000001 # [ 88.492742] RBP: 00007f737e739000 R08: 00007f737e738010 R09: 0000000000000000 # [ 88.500728] R10: 00007f737e9431c0 R11: 0000000000000246 R12: 0000000000000001 # [ 88.508704] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 88.516704] irq event stamp: 0 # [ 88.526292] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 88.539490] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 88.554819] softirqs last enabled [ 91.812789] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED at (0): [] copy_process+0x63c/0x1c80 # [ 88[ 91.825044] lkdtm: attempting bad refcount_dec() from saturated [ 91.837848] ------------[ cut here ]------------ [ 91.843021] refcount_t: saturated; leaking memory. [ 91.848437] WARNING: CPU: 2 PID: 2454 at lib/refcount.c:22 refcount_warn_saturate+0x49/0xf0 [ 91.857790] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 91.873793] CPU: 2 PID: 2454 Comm: cat Tainted: G D W 5.10.131-cip13 #1 [ 91.882460] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 91.889092] RIP: 0010:refcount_warn_saturate+0x49/0xf0 [ 91.894851] Code: 76 01 00 0f 84 a4 00 00 00 c3 85 f6 74 3e 80 3d 14 34 76 01 00 75 f2 48 c7 c7 c0 3a c6 92 c6 05 04 34 76 01 01 e8 3d ef 95 00 <0f> 0b c3 80 3d f4 33 76 01 00 75 d3 48 c7 c7 e8 3a c6 92 c6 05 e4 [ 91.915843] RSP: 0018:ffffba7e82cc7e48 EFLAGS: 00010286 [ 91.921698] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000 [ 91.929684] RDX: ffffa0d6fbd2c660 RSI: ffffa0d6fbd1bf70 RDI: ffffa0d6fbd1bf70 [ 91.937670] RBP: ffffffff92cc814b R08: 0000000000000000 R09: 0000000000000000 [ 91.945660] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 [ 91.953653] R13: ffffba7e82cc7f10 R14: ffffba7e82cc7f10 R15: ffffa0d683f54000 [ 91.961639] FS: 00007f97a8ea1580(0000) GS:ffffa0d6fbd00000(0000) knlGS:0000000000000000 [ 91.970679] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 91.977102] CR2: 00007f97a8cba000 CR3: 0000000104d3a000 CR4: 00000000003506e0 [ 91.985078] Call Trace: [ 91.987833] lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x60 [ 91.993303] direct_entry.cold+0x2c/0x38 [ 91.997708] full_proxy_write+0x56/0x80 [ 92.002017] vfs_write+0xea/0x390 [ 92.005742] ksys_write+0x68/0xe0 [ 92.009463] do_syscall_64+0x33/0x40 [ 92.013472] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 92.019127] RIP: 0033:0x7f97a8dc9f33 .563960] softirqs last disabled at (0): [<0000000000000000>] 0x0[ 92.023141] 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 [ 92.050292] RSP: 002b:00007ffea3ec2f88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 92.058755] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f97a8dc9f33 [ 92.066733] RDX: 0000000000000017 RSI: 00007f97a8cba000 RDI: 0000000000000001 [ 92.074706] RBP: 00007f97a8cba000 R08: 00007f97a8cb9010 R09: 0000000000000000 [ 92.082679] R10: 00007f97a8ec41c0 R11: 0000000000000246 R12: 0000000000000001 [ 92.090653] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 88.570970] ---[ end trace 3fb4adc707f7a84f ]--- # [ 8[ 92.098640] irq event stamp: 0 [ 92.108242] hardirqs last enabled at (0): [<0000000000000000>] 0x0 8.576150] lkdtm: Negative detected: saturated # REFCOUNT_SUB_AN[ 92.115253] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 92.130597] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 92.139750] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 92.146758] ---[ end trace 3fb4adc707f7a854 ]--- [ 92.151930] lkdtm: Saturation detected: still saturated D_TEST_NEGATIVE: saw 'Negative detected: saturated': ok ok 49 selftests: lkdtm: REFCOUNT_SUB_AND_TEST_NEGATIVE.sh # selftests: lkdtm: REFCOUNT_INC_ZERO.sh # [ 88.896432] lkdtm: Performing direct entry REFCOUNT_INC_ZERO # [ 88.903973] lkdtm: attempting safe refcount_inc_not_zero() from zero # [ 88.917306] lkdtm: Good: zero detected # [ 88.927676] lkdtm: Correctly stayed at zero # [ 88.938534] lkdtm: attempting bad refcount_inc() from zero # [ 88.950860] ------------[ cut here ]------------ # [ 88.962254] refcount_t: addition on 0; use-after-free. # [ 88.974265] WARNING: CPU: 3 PID: 2317 at lib/refcount.c:25 refcount_warn_saturate+0x68/0xf0 # [ 88.989697] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 89.011852] CPU: 3 PID: 2317 Comm: cat Tainted: G D W 5.10.131-cip13 #1 # [ 89.026697] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 89.039571] RIP: 0010:refcount_warn_saturate+0x68/0xf0 # [ 89.051489] Code: 05 04 34 76 01 01 e8 3d ef 95 00 0f 0b c3 80 3d f4 33 76 01 00 75 d3 48 c7 c7 e8 3a c6 92 c6 05 e4 33 76 01 01 e8 1e ef 95 00 <0f> 0b c3 80 3d d7 33 76 01 00 75 b4 48 c7 c7 c0 3a c6 92 c6 05 c7 # [ 89.078672] RSP: 0018:ffffba7e82adfe48 EFLAGS: 00010286 # [ 89.090693] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000 # [ 89.104886] RDX: ffffa0d6fbdac660 RSI: ffffa0d6fbd9bf70 RDI: ffffa0d6fbd9bf70 # [ 89.119056] RBP: ffffffff92cc80f9 R08: 0000000000000000 R09: 0000000000000000 # [ 89.133244] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 89.147449] R13: ffffba7e82adff10 R14: ffffba7e82adff10 R15: ffffa0d684b85000 # [ 89.161613] FS: 00007f24439e6580(0000) GS:ffffa0d6fbd80000(0000) knlGS:0000000000000000 # [ 89.176897] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 89.189500] CR2: 00007f24437ff000 CR3: 0000000105bfa000 CR4: 00000000003506e0 # [ 89.203758] Call Trace: # [ 89.213013] lkdtm_REFCOUNT_INC_ZERO+0x99/0xbd # [ 89.223870] direct_entry.cold+0x2c/0x38 # [ 89.234600] full_proxy_write+0x56/0x80 # [ 89.244942] vfs_write+0xea/0x390 # [ 89.254956] ksys_write+0x68/0xe0 # [ 89.264821] do_syscall_64+0x33/0x40 # [ 89.275061] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 89.286886] RIP: 0033:0x7f244390ef33 # [ 89.297124] 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 # [ 89.324269] RSP: 002b:00007ffde147a388 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 89.338963] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f244390ef33 # [ 89.353114] RDX: 0000000000000012 RSI: 00007f24437ff000 RDI: 0000000000000001 # [ 89.367330] RBP: 00007f24437ff000 R08: 00007f24437fe010 R09: 0000000000000000 # [ 89.381512] R10: 00007f2443a091c0 R11: 0000000000000246 R12: 0000000000000001 # [ 89.395709] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 89.409878] irq event stamp: 0 # [ 89.419520] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 89.432723[ 92.467968] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED ] hardirqs last disabled at (0): [] copy_proce[ 92.481864] lkdtm: attempting bad refcount_inc_not_zero() from saturated ss+0x63c/0x1c80 # [ 89.448120] softirqs last enabled at (0):[ 92.495593] ------------[ cut here ]------------ [] copy_process+0x63c/0x1c80 # [ 89.463447[ 92.506986] refcount_t: saturated; leaking memory. ] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ [ 92.518557] WARNING: CPU: 3 PID: 2486 at lib/refcount.c:19 refcount_warn_saturate+0x87/0xf0 89.476690] ---[ end trace 3fb4adc707f7a850 ]--- # [ 89.48801[ 92.534284] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 0] lkdtm: Zero detected: saturated # REFCOUNT_INC_ZERO: saw 'ca[ 92.556284] CPU: 3 PID: 2486 Comm: cat Tainted: G D W 5.10.131-cip13 #1 ll trace:': ok ok 50 selftests: lkdtm: REFCOUNT_INC_ZERO.sh # [ 92.571258] Hardware name: Google Coral/Coral, BIOS 09/29/2020 selftests: lkdtm: REFCOUNT_ADD_ZERO.sh # [ 89.813953] lkdtm: [ 92.583993] RIP: 0010:refcount_warn_saturate+0x87/0xf0 Performing direct entry REFCOUNT_ADD_ZERO # [ 89.821892] lkdt[ 92.595920] Code: 05 e4 33 76 01 01 e8 1e ef 95 00 0f 0b c3 80 3d d7 33 76 01 00 75 b4 48 c7 c7 c0 3a c6 92 c6 05 c7 33 76 01 01 e8 ff ee 95 00 <0f> 0b c3 80 3d b5 33 76 01 00 75 95 48 c7 c7 18 3b c6 92 c6 05 a5 m: attempting safe refcount_add_not_zero() from zero # [ 89.8[ 92.623074] RSP: 0018:ffffba7e82d3fe38 EFLAGS: 00010282 35192] lkdtm: Good: zero detected # [ 89.845572] lkdtm: Corre[ 92.635146] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 ctly stayed at zero # [ 89.850260] lkdtm: attempting bad refc[ 92.649321] RDX: ffffa0d6fbdac660 RSI: ffffa0d6fbd9bf70 RDI: ffffa0d6fbd9bf70 ount_add() from zero # [ 89.856405] ------------[ cut here ]-[ 92.663527] RBP: ffffffff92cc7d78 R08: 0000000000000000 R09: 0000000000000000 ----------- # [ 89.861583] refcount_t: addition on 0; use-aft[ 92.677687] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 er-free. # [ 89.867392] WARNING: CPU: 2 PID: 2349 at lib/refc[ 92.691895] R13: ffffba7e82d3ff10 R14: ffffba7e82d3ff10 R15: ffffa0d685bca000 ount.c:25 refcount_warn_saturate+0x68/0xf0 # [ 89.876791] Mod[ 92.706125] FS: 00007f2e8cf1b580(0000) GS:ffffa0d6fbd80000(0000) knlGS:0000000000000000 ules linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cr[ 92.721291] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 os_ec_chardev cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev c[ 92.733909] CR2: 00007f2e8cd34000 CR3: 0000000104082000 CR4: 00000000003506e0 ros_usbpd_notify # [ 89.898880] CPU: 2 PID: 2349 Comm: cat Ta[ 92.748084] Call Trace: inted: G D W 5.10.131-cip13 #1 # [ 89.907550] Ha[ 92.757141] __refcount_add_not_zero.constprop.0+0x2a/0x31 rdware name: Google Coral/Coral, BIOS 09/29/2020 # [ 89.9141[ 92.769406] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x72 91] RIP: 0010:refcount_warn_saturate+0x68/0xf0 # [ 89.919956][ 92.781966] direct_entry.cold+0x2c/0x38 Code: 05 04 34 76 01 01 e8 3d ef 95 00 0f 0b c3 80 3d f4 33 76 [ 92.792554] full_proxy_write+0x56/0x80 01 00 75 d3 48 c7 c7 e8 3a c6 92 c6 05 e4 33 76 01 01 e8 1e ef 9[ 92.803094] vfs_write+0xea/0x390 5 00 <0f> 0b c3 80 3d d7 33 76 01 00 75 b4 48 c7 c7 c0 3a c6 92 [ 92.812928] ksys_write+0x68/0xe0 c6 05 c7 # [ 89.940954] RSP: 0018:ffffba7e82b3fe48 EFLAGS: 00[ 92.822893] do_syscall_64+0x33/0x40 010286 # [ 89.946817] RAX: 0000000000000000 RBX: 000000000000[ 92.833022] entry_SYSCALL_64_after_hwframe+0x44/0xa9 0034 RCX: 0000000000000000 # [ 89.954804] RDX: ffffa0d6fbd2c6[ 92.844919] RIP: 0033:0x7f2e8ce43f33 60 RSI: ffffa0d6fbd1bf70 RDI: ffffa0d6fbd1bf70 # [ 89.962799][ 92.855044] 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 RBP: ffffffff92cc810b R08: 0000000000000000 R09: 00000000000000[ 92.882255] RSP: 002b:00007ffe0afc98b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 00 # [ 89.970786] R10: 00000000ffffe000 R11: 3fffffffffffffff[ 92.896873] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f2e8ce43f33 R12: 0000000000000012 # [ 89.978780] R13: ffffba7e82b3ff10 R[ 92.911020] RDX: 0000000000000020 RSI: 00007f2e8cd34000 RDI: 0000000000000001 14: ffffba7e82b3ff10 R15: ffffa0d683fbc000 # [ 89.986772] FS:[ 92.925225] RBP: 00007f2e8cd34000 R08: 00007f2e8cd33010 R09: 0000000000000000 00007f48f963e580(0000) GS:ffffa0d6fbd00000(0000) knlGS:0000000[ 92.939352] R10: 00007f2e8cf3e1c0 R11: 0000000000000246 R12: 0000000000000001 000000000 # [ 89.995838] CS: 0010 DS: 0000 ES: 0000 CR0: 000[ 92.953546] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 0000080050033 # [ 90.002278] CR2: 00007f48f9457000 CR3: 00000[ 92.967712] irq event stamp: 0 00103d3c000 CR4: 00000000003506e0 # [ 90.010267] Call Trace:[ 92.977385] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 90.013026] lkdtm_REFCOUNT_ADD_ZERO+0x99/0xbd # [ 90.0[ 92.990562] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 18023] direct_entry.cold+0x2c/0x38 # [ 90.022433] full_prox[ 93.005869] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 y_write+0x56/0x80 # [ 90.026745] vfs_write+0xea/0x390 # [ [ 93.021235] softirqs last disabled at (0): [<0000000000000000>] 0x0 90.030472] ksys_write+0x68/0xe0 # [ 90.034202] do_syscall_[ 93.034444] ---[ end trace 3fb4adc707f7a855 ]--- 64+0x33/0x40 # [ 90.038215] entry_SYSCALL_64_after_hwframe+0[ 93.045860] lkdtm: Saturation detected: still saturated x44/0xa9 # [ 90.043882] RIP: 0033:0x7f48f9566f33 # [ 90.047890] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 90.068862] RSP: 002b:00007ffd022ec448 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 90.077344] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f48f9566f33 # [ 90.085339] RDX: 0000000000000012 RSI: 00007f48f9457000 RDI: 0000000000000001 # [ 90.093329] RBP: 00007f48f9457000 R08: 00007f48f9456010 R09: 0000000000000000 # [ 90.101308] R10: 00007f48f96611c0 R11: 0000000000000246 R12: 0000000000000001 # [ 90.115485] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 90.123475] irq event stamp: 0 # [ 90.133090] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 90.140118] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 90.149265] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 90.158414] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 90.165431] ---[ end trace 3fb4adc707f7a851 ]--- # [ 90.170605] lkdtm: Zero detected: saturated # REFCOUNT_ADD_ZERO: saw 'call trace:': ok ok 51 selftests: lkdtm: REFCOUNT_ADD_ZERO.sh # selftests: lkdtm: REFCOUNT_INC_SATURATED.sh # [ 90.489103] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED # [ 90.498972] lkdtm: attempting bad refcount_inc() from saturated # [ 90.505634] ------------[ cut here ]------------ # [ 90.510817] refcount_t: saturated; leaking memory. # [ 90.522450] WARNING: CPU: 1 PID: 2384 at lib/refcount.c:22 refcount_warn_saturate+0x49/0xf0 # [ 90.537978] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 90.553982] CPU: 1 PID: 2384 Comm: cat Tainted: G D W 5.10.131-cip13 #1 # [ 90.562659] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 90.569301] RIP: 0010:refcount_warn_saturate+0x49/0xf0 # [ 90.575064] Code: 76 01 00 0f 84 a4 00 00 00 c3 85 f6 74 3e 80 3d 14 34 76 01 00 75 f2 48 c7 c7 c0 3a c6 92 c6 05 04 34 76 01 01 e8 3d ef 95 00 <0f> 0b c3 80 3d f4 33 76 01 00 75 d3 48 c7 c7 e8 3a c6 92 c6 05 e4 # [ 90.596065] RSP: 0018:ffffba7e82bd7e48 EFLAGS: 00010286 # [ 90.601926] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000 # [ 90.609918] RDX: ffffa0d6fbcac660 RSI: ffffa0d6fbc9bf70 RDI: ffffa0d6fbc9bf70 # [ 90.617905] RBP: ffffffff92cc811d R08: 0000000000000000 R09: 0000000000000000 # [ 90.625900] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 90.633889] R13: ffffba7e82bd7f10 R14: ffffba7e82bd7f10 R15: ffffa0d683fd8000 # [ 90.641875] FS: 00007fa8066ce580(0000) GS:ffffa0d6fbc80000(0000) knlGS:0000000000000000 # [ 90.650931] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 90.657369] CR2: 00007fa8064e7000 CR3: 0000000104d88000 CR4: 00000000003506e0 # [ 90.665349] Call Trace: # [ 90.668110] lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x60 # [ 90.673590] direct_entry.cold+0x2c/0x38 # [ 90.678004] full_proxy_write+0x56/0x80 # [ 90.682328] vfs_write+0xea/0x390 # [ 90.686058] ksy[ 93.376587] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED [ 93.388263] lkdtm: attempting bad refcount_add_not_zero() from saturated [ 93.395780] ------------[ cut here ]------------ [ 93.400950] refcount_t: saturated; leaking memory. [ 93.406359] WARNING: CPU: 1 PID: 2518 at lib/refcount.c:19 refcount_warn_saturate+0x87/0xf0 [ 93.415693] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 93.431662] CPU: 1 PID: 2518 Comm: cat Tainted: G D W 5.10.131-cip13 #1 [ 93.440321] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 93.446948] RIP: 0010:refcount_warn_saturate+0x87/0xf0 [ 93.452706] Code: 05 e4 33 76 01 01 e8 1e ef 95 00 0f 0b c3 80 3d d7 33 76 01 00 75 b4 48 c7 c7 c0 3a c6 92 c6 05 c7 33 76 01 01 e8 ff ee 95 00 <0f> 0b c3 80 3d b5 33 76 01 00 75 95 48 c7 c7 18 3b c6 92 c6 05 a5 [ 93.473680] RSP: 0018:ffffba7e82dcfe38 EFLAGS: 00010282 [ 93.479537] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 [ 93.487524] RDX: ffffa0d6fbcac660 RSI: ffffa0d6fbc9bf70 RDI: ffffa0d6fbc9bf70 [ 93.495495] RBP: ffffffff92cc7d98 R08: 0000000000000000 R09: 0000000000000000 [ 93.503484] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 [ 93.511474] R13: ffffba7e82dcff10 R14: ffffba7e82dcff10 R15: ffffa0d682cfe000 [ 93.519455] FS: 00007f7517125580(0000) GS:ffffa0d6fbc80000(0000) knlGS:0000000000000000 [ 93.528511] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 93.534934] CR2: 00007f7516f3e000 CR3: 0000000105a6c000 CR4: 00000000003506e0 [ 93.542922] Call Trace: [ 93.545681] __refcount_add_not_zero.constprop.0+0x2a/0x31 [ 93.551833] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x72 s_write+0x68/0xe0 # [ 90.689790] do_syscall_64+0x33/0x40 # [ 93.558170] direct_entry.cold+0x2c/0x38 [ 93.568789] full_proxy_write+0x56/0x80 [ 93.573102] vfs_write+0xea/0x390 [ 93.576832] ksys_write+0x68/0xe0 [ 93.580559] do_syscall_64+0x33/0x40 [ 93.584575] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 93.590239] RIP: 0033:0x7f751704df33 [ 93.594249] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 90.693811] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ [ 93.615221] RSP: 002b:00007ffde2ed2b48 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 93.629865] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f751704df33 [ 93.637849] RDX: 0000000000000020 RSI: 00007f7516f3e000 RDI: 0000000000000001 [ 93.645822] RBP: 00007f7516f3e000 R08: 00007f7516f3d010 R09: 0000000000000000 90.699483] RIP: 0033:0x7fa8065f6f33 # [ 90.703496] Code: 8b 1[ 93.653798] R10: 00007f75171481c0 R11: 0000000000000246 R12: 0000000000000001 5 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00[ 93.667956] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 93.682147] irq event stamp: 0 [ 93.685577] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 93.692593] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 93.701739] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 93.710892] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 93.717906] ---[ end trace 3fb4adc707f7a856 ]--- [ 93.723076] lkdtm: Saturation detected: still saturated 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 90.724492] RSP: 002b:00007ffebb950c28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 90.732975] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007fa8065f6f33 # [ 90.740957] RDX: 0000000000000017 RSI: 00007fa8064e7000 RDI: 0000000000000001 # [ 90.748956] RBP: 00007fa8064e7000 R08: 00007fa8064e6010 R09: 0000000000000000 # [ 90.756950] R10: 00007fa8066f11c0 R11: 0000000000000246 R12: 0000000000000001 # [ 90.764943] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 90.772948] irq event stamp: 0 # [ 90.776380] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 90.783413] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 90.792569] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 90.807930] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 90.821166] ---[ end trace 3fb4adc707f7a852 ]--- # [ 90.826337] lkdtm: Saturation detected: still saturated # REFCOUNT_INC_SATURATED: saw 'Saturation detected: still saturated': ok ok 52 selftests: lkdtm: REFCOUNT_INC_SATURATED.sh # selftests: lkdtm: REFCOUNT_DEC_SATURATED.sh # [ 91.157823] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED # [ 91.168206] lkdtm: attempting bad refcount_dec() from saturated # [ 91.174848] ------------[ cut here ]------------ # [ 91.180011] refcount_t: decrement hit 0; leaking memory. # [ 91.186015] WARNING: CPU: 1 PID: 2419 at lib/refcount.c:31 refcount_warn_saturate+0xdf/0xf0 # [ 91.195356] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 91.211337] CPU: 1 PID: 2419 Comm: cat Tainted: G D W 5.10.131-cip13 #1 # [ 91.220022] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 91.226664] RIP: 0010:refcount_warn_saturate+0xdf/0xf0 # [ 91.232427] Code: ff 48 c7 c7 70 3b c6 92 c6 05 80 33 76 01 01 e8 bd ee 95 00 0f 0b c3 48 c7 c7 40 3b c6 92 c6 05 6b 33 76 01 01 e8 a7 ee 95 00 <0f> 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b 07 3d 00 00 # [ 91.253419] RSP: 0018:ffffba7e82c3fe48 EFLAGS: 00010286 # [ 91.259282] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000 # [ 91.267261] RDX: ffffa0d6fbcac660 RSI: ffffa0d6fbc9bf70 RDI: ffffa0d6fbc9bf70 # [ 91.275249] RBP: ffffffff92cc8134 R08: 0000000000000000 R09: 0000000000000000 # [ 91.283241] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 91.291229] R13: ffffba7e82c3ff10 R14: ffffba7e82c3ff10 R15: ffffa0d68645f000 # [ 91.299226] FS: 00007f36fb392580(0000) GS:ffffa0d6fbc80000(0000) knlGS:0000000000000000 # [ 91.308285] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 91.314723] CR2: 00007f36fb1ab000 CR3: 000000010595a000 CR4: 00000000003506e0 # [ 91.322711] Call Trace: # [ 91.325469] lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5b # [ 91.330945] direct_entry.cold+0x2c/0x38 # [ 91.335359] full_proxy_write+0x56/0x80 # [ 91.339675] vfs_write+0xea/0x390 # [ 91.343401] ksys_write+0x68/0xe0 # [ 91.347137] do_syscall_64+0x33/0x40 # [ 91.351157] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 91.356829] RIP: 0033:0x7f36[ 94.056938] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED [ 94.065486] lkdtm: attempting bad refcount_dec_and_test() from saturated fb2baf33 # [ 91.360847] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 0[ 94.073002] ------------[ cut here ]------------ [ 94.084362] refcount_t: underflow; use-after-free. [ 94.089774] WARNING: CPU: 1 PID: 2553 at lib/refcount.c:28 refcount_warn_saturate+0xa6/0xf0 2 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85[ 94.099120] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 94.121348] CPU: 1 PID: 2553 Comm: cat Tainted: G D W 5.10.131-cip13 #1 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1[ 94.130051] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 94.142812] RIP: 0010:refcount_warn_saturate+0xa6/0xf0 [ 94.148558] Code: 05 c7 33 76 01 01 e8 ff ee 95 00 0f 0b c3 80 3d b5 33 76 01 00 75 95 48 c7 c7 18 3b c6 92 c6 05 a5 33 76 01 01 e8 e0 ee 95 00 <0f> 0b c3 80 3d 94 33 76 01 00 0f 85 72 ff ff ff 48 c7 c7 70 3b c6 [ 94.169527] RSP: 0018:ffffba7e82e5fe40 EFLAGS: 00010286 [ 94.175382] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000 [ 94.183364] RDX: ffffa0d6fbcac660 RSI: ffffa0d6fbc9bf70 RDI: ffffa0d6fbc9bf70 [ 94.191328] RBP: ffffffff92cc7db8 R08: 0000000000000000 R09: 0000000000000000 [ 94.199303] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 [ 94.207279] R13: ffffba7e82e5ff10 R14: ffffba7e82e5ff10 R15: ffffa0d685864000 [ 94.215255] FS: 00007f57aa736580(0000) GS:ffffa0d6fbc80000(0000) knlGS:0000000000000000 [ 94.224303] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 94.230730] CR2: 00007f57aa54f000 CR3: 0000000103646000 CR4: 00000000003506e0 [ 94.238709] Call Trace: [ 94.241467] __refcount_sub_and_test.constprop.0+0x34/0x40 [ 94.247615] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x72 [ 94.253959] direct_entry.cold+0x2c/0x38 [ 94.258362] full_proxy_write+0x56/0x80 [ 94.262669] vfs_write+0xea/0x390 [ 94.266389] ksys_write+0x68/0xe0 [ 94.270114] do_syscall_64+0x33/0x40 [ 94.274126] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 94.279782] RIP: 0033:0x7f57aa65ef33 [ 94.283790] 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 [ 94.304738] RSP: 002b:00007ffd6c915198 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 94.313198] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f57aa65ef33 f 40 00 48 83 ec 28 48 89 54 24 18 # [ 91.381843] RSP: 002b:0[ 94.321175] RDX: 0000000000000020 RSI: 00007f57aa54f000 RDI: 0000000000000001 [ 94.335352] RBP: 00007f57aa54f000 R08: 00007f57aa54e010 R09: 0000000000000000 [ 94.343330] R10: 00007f57aa7591c0 R11: 0000000000000246 R12: 0000000000000001 0007ffd2fd2cf78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [[ 94.351304] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 91.390330] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 0[ 94.365482] irq event stamp: 0 [ 94.375082] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 94.382102] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 94.391248] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 94.400392] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 94.407398] ---[ end trace 3fb4adc707f7a857 ]--- [ 94.412564] lkdtm: Saturation detected: still saturated 0007f36fb2baf33 # [ 91.398324] RDX: 0000000000000017 RSI: 00007f36fb1ab000 RDI: 0000000000000001 # [ 91.406319] RBP: 00007f36fb1ab000 R08: 00007f36fb1aa010 R09: 0000000000000000 # [ 91.414308] R10: 00007f36fb3b51c0 R11: 0000000000000246 R12: 0000000000000001 # [ 91.422296] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 91.430301] irq event stamp: 0 # [ 91.433729] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 91.446944] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 91.462285] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 91.477632] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 91.484647] ---[ end trace 3fb4adc707f7a853 ]--- # [ 91.489825] 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 # [ 91.812789] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED # [ 91.825044] lkdtm: attempting bad refcount_dec() from saturated # [ 91.837848] ------------[ cut here ]------------ # [ 91.843021] refcount_t: saturated; leaking memory. # [ 91.848437] WARNING: CPU: 2 PID: 2454 at lib/refcount.c:22 refcount_warn_saturate+0x49/0xf0 # [ 91.857790] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 91.873793] CPU: 2 PID: 2454 Comm: cat Tainted: G D W 5.10.131-cip13 #1 # [ 91.882460] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 91.889092] RIP: 0010:refcount_warn_saturate+0x49/0xf0 # [ 91.894851] Code: 76 01 00 0f 84 a4 00 00 00 c3 85 f6 74 3e 80 3d 14 34 76 01 00 75 f2 48 c7 c7 c0 3a c6 92 c6 05 04 34 76 01 01 e8 3d ef 95 00 <0f> 0b c3 80 3d f4 33 76 01 00 75 d3 48 c7 c7 e8 3a c6 92 c6 05 e4 # [ 91.915843] RSP: 0018:ffffba7e82cc7e48 EFLAGS: 00010286 # [ 91.921698] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000 # [ 91.929684] RDX: ffffa0d6fbd2c660 RSI: ffffa0d6fbd1bf70 RDI: ffffa0d6fbd1bf70 # [ 91.937670] RBP: ffffffff92cc814b R08: 0000000000000000 R09: 0000000000000000 # [ 91.945660] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 91.953653] R13: ffffba7e82cc7f10 R14: ffffba7e82cc7f10 R15: ffffa0d683f54000 # [ 91.961639] FS: 00007f97a8ea1580(0000) GS:ffffa0d6fbd00000(0000) knlGS:0000000000000000 # [ 91.970679] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 91.977102] CR2: 00007f97a8cba000 CR3: 0000000104d3a000 CR4: 00000000003506e0 # [ 91.985078] Call Trace: # [ 91.987833] lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x60 # [ 91.993303] direct_entry.cold+0x2c/0x38 # [ 91.997708] full_proxy_write+0x56/0x80 # [ 92.002017] vfs_write+0xea/0x390 # [ 92.005742] ksys_write+0x68/0xe0 # [ 92.009463] do_syscall_64+0x33/0x40 # [ 92.013472] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 92.019127] RIP: 0033:0x7f97a8dc9f33 # [ 92.023141] 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 # [ 92.050292] RSP: 002b:00007ffea3ec2f88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 92.058755] RAX: ffffffffffffff[ 94.749274] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED [ 94.760990] lkdtm: attempting bad refcount_sub_and_test() from saturated [ 94.768504] ------------[ cut here ]------------ da RBX: 0000000000000017 RCX: 00007f97a8dc9f33 # [ 92.066733][ 94.773670] refcount_t: underflow; use-after-free. RDX: 0000000000000017 RSI: 00007f97a8cba000 RDI: 00000000000000[ 94.785276] WARNING: CPU: 1 PID: 2588 at lib/refcount.c:28 refcount_warn_saturate+0xa6/0xf0 [ 94.800750] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 94.816725] CPU: 1 PID: 2588 Comm: cat Tainted: G D W 5.10.131-cip13 #1 [ 94.825428] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 94.832075] RIP: 0010:refcount_warn_saturate+0xa6/0xf0 [ 94.837836] Code: 05 c7 33 76 01 01 e8 ff ee 95 00 0f 0b c3 80 3d b5 33 76 01 00 75 95 48 c7 c7 18 3b c6 92 c6 05 a5 33 76 01 01 e8 e0 ee 95 00 <0f> 0b c3 80 3d 94 33 76 01 00 0f 85 72 ff ff ff 48 c7 c7 70 3b c6 [ 94.858796] RSP: 0018:ffffba7e82edfe40 EFLAGS: 00010286 [ 94.864650] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000 [ 94.872638] RDX: ffffa0d6fbcac660 RSI: ffffa0d6fbc9bf70 RDI: ffffa0d6fbc9bf70 [ 94.880615] RBP: ffffffff92cc7dd8 R08: 0000000000000000 R09: 0000000000000000 [ 94.888587] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 [ 94.896549] R13: ffffba7e82edff10 R14: ffffba7e82edff10 R15: ffffa0d683f55000 [ 94.904525] FS: 00007f1eebc0d580(0000) GS:ffffa0d6fbc80000(0000) knlGS:0000000000000000 [ 94.913570] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 94.919996] CR2: 00007f1eeba26000 CR3: 00000001059da000 CR4: 00000000003506e0 [ 94.927971] Call Trace: [ 94.930727] __refcount_sub_and_test.constprop.0+0x34/0x40 [ 94.936876] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x72 [ 94.943226] direct_entry.cold+0x2c/0x38 [ 94.947632] full_proxy_write+0x56/0x80 [ 94.951930] vfs_write+0xea/0x390 [ 94.955649] ksys_write+0x68/0xe0 [ 94.959371] do_syscall_64+0x33/0x40 [ 94.963379] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 94.969043] RIP: 0033:0x7f1eebb35f33 [ 94.973058] 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 [ 94.994038] RSP: 002b:00007ffe95232028 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 95.002505] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f1eebb35f33 [ 95.010490] RDX: 0000000000000020 RSI: 00007f1eeba26000 RDI: 0000000000000001 [ 95.018471] RBP: 00007f1eeba26000 R08: 00007f1eeba25010 R09: 0000000000000000 [ 95.026447] R10: 00007f1eebc301c0 R11: 0000000000000246 R12: 0000000000000001 [ 95.034426] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 95.042422] irq event stamp: 0 01 # [ 92.074706] RBP: 00007f97a8cba000 R08: 00007f97a8cb9010[ 95.045847] hardirqs last enabled at (0): [<0000000000000000>] 0x0 R09: 0000000000000000 # [ 92.082679] R10: 00007f97a8ec41c0 R[ 95.059049] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 11: 0000000000000246 R12: 0000000000000001 # [ 92.090653] R13[ 95.074374] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 95.089693] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 95.096704] ---[ end trace 3fb4adc707f7a858 ]--- [ 95.101871] lkdtm: Saturation detected: still saturated : 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 92.098640] irq event stamp: 0 # [ 92.108242] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 92.115253] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 92.130597] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 92.139750] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 92.146758] ---[ end trace 3fb4adc707f7a854 ]--- # [ 92.151930] 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 # [ 92.467968] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED # [ 92.481864] lkdtm: attempting bad refcount_inc_not_zero() from saturated # [ 92.495593] ------------[ cut here ]------------ # [ 92.506986] refcount_t: saturated; leaking memory. # [ 92.518557] WARNING: CPU: 3 PID: 2486 at lib/refcount.c:19 refcount_warn_saturate+0x87/0xf0 # [ 92.534284] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 92.556284] CPU: 3 PID: 2486 Comm: cat Tainted: G D W 5.10.131-cip13 #1 # [ 92.571258] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 92.583993] RIP: 0010:refcount_warn_saturate+0x87/0xf0 # [ 92.595920] Code: 05 e4 33 76 01 01 e8 1e ef 95 00 0f 0b c3 80 3d d7 33 76 01 00 75 b4 48 c7 c7 c0 3a c6 92 c6 05 c7 33 76 01 01 e8 ff ee 95 00 <0f> 0b c3 80 3d b5 33 76 01 00 75 95 48 c7 c7 18 3b c6 92 c6 05 a5 # [ 92.623074] RSP: 0018:ffffba7e82d3fe38 EFLAGS: 00010282 # [ 92.635146] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 # [ 92.649321] RDX: ffffa0d6fbdac660 RSI: ffffa0d6fbd9bf70 RDI: ffffa0d6fbd9bf70 # [ 92.663527] RBP: ffffffff92cc7d78 R08: 0000000000000000 R09: 0000000000000000 # [ 92.677687] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 92.691895] R13: ffffba7e82d3ff10 R14: ffffba7e82d3ff10 R15: ffffa0d685bca000 # [ 92.706125] FS: 00007f2e8cf1b580(0000) GS:ffffa0d6fbd80000(0000) knlGS:0000000000000000 # [ 92.721291] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 92.733909] CR2: 00007f2e8cd34000 CR3: 0000000104082000 CR4: 00000000003506e0 # [ 92.748084] Call Trace: # [ 92.757141] __refcount_add_not_zero.constprop.0+0x2a/0x31 # [ 92.769406] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x72 # [ 92.781966] direct_entry.cold+0x2c/0x38 # [ 92.792554] full_proxy_write+0x56/0x80 # [ 92.803094] vfs_write+0xea/0x390 # [ 92.812928] ksys_write+0x68/0xe0 # [ 92.822893] do_syscall_64+0x33/0x40 # [ 92.833022] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 92.844919] RIP: 0033:0x7f2e8ce43f33 # [ 92.855044] 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 # [ 92.882255] RSP: 002b:00007ffe0afc98b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 92.896873] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f2e8ce43f33 # [ 92.911020] RDX: 0000000000000020 RSI: 00007f2e8cd34000 RDI: 0000000000000001 # [ 92.925225] RBP: 00007f2e8cd34000 R08: 00007f2e8cd33010 R09: 0000000000000000 # [ 92.939352] R10: 00007f2e8cf3e1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 92.953546] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 92.967712] irq event stamp: 0 # [ 92.977385] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 92.990562] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 93.005869] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 93.021235] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 93.034444] ---[ end trace 3fb4adc707f7a855 ]--- # [ 93.045860] 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 # [ 93.376587] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED # [ 93.388263] lkdtm: attempting bad refcount_add_not_zero() from saturated # [ 93.395780] ------------[ cut here ]------------ # [ 93.400950] refcount_t: saturated; leaking memory. # [ 93.406359] WARNING: CPU: 1 PID: 2518 at lib/refcount.c:19 refcount_warn_saturate+0x87/0xf0 # [ 93.415693] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 93.431662] CPU: 1 PID: 2518 Comm: cat Tainted: G D W 5.10.131-cip13 #1 # [ 93.440321] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 93.446948] RIP: 0010:refcount_warn_saturate+0x87/0xf0 # [ 93.452706] Code: 05 e4 33 76 01 01 e8 1e ef 95 00 0f 0b c3 80 3d d7 33 76 01 00 75 b4 48 c7 c7 c0 3a c6 92 c6 05 c7 33 76 01 01 e8 ff ee 95 00 <0f> 0b c3 80 3d b5 33 76 01 00 75 95 48 c7 c7 18 3b c6 92 c6 05 a5 # [ 93.473680] RSP: 0018:ffffba7e82dcfe38 EFLAGS: 00010282 # [ 93.479537] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 # [ 93.487524] RDX: ffffa0d6fbcac660 RSI: ffffa0d6fbc9bf70 RDI: ffffa0d6fbc9bf70 # [ 93.495495] RBP: ffffffff92cc7d98 R08: 0000000000000000 R09: 0000000000000000 # [ 93.503484] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 93.511474] R13: ffffba7e82dcff10 R14: ffffba7e82dcff10 R15: ffffa0d682cfe000 # [ 93.519455] FS: 00007f7517125580(0000) GS:ffffa0d6fbc80000(0000) knlGS:0000000000000000 # [ 93.528511] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 93.534934] CR2: 00007f7516f3e000 CR3: 0000000105a6c000 CR4: 000000000[ 95.686974] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO 03506e0 # [ 93.542922] Call Trace: # [ 93.545681] __refco[ 95.698571] lkdtm: attempting good copy_to_user of correct size unt_add_not_zero.constprop.0+0x2a/0x31 # [ 93.551833] lkdtm_[ 95.711403] lkdtm: attempting bad copy_to_user of too large size REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x72 # [ 93.558170] direct_entry.cold+0x2c/0x38 # [ 93.568789] full_proxy_write+0x56/0x80 # [ 93.573102] vfs_write+0xea/0x390 # [ 93.576832] ksys_write+0x68/0xe0 # [ 93.580559] do_syscall_64+0x33/0x40 # [ 93.584575] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 93.590239] RIP: 0033:0x7f751704df33 # [ 93.594249] 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 # [ 93.615221] RSP: 002b:00007ffde2ed2b48 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 93.629865] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f751704df33 # [ 93.637849] RDX: 0000000000000020 RSI: 00007f7516f3e000 RDI: 0000000000000001 # [ 93.645822] RBP: 00007f7516f3e000 R08: 00007f7516f3d010 R09: 0000000000000000 # [ 93.653798] R10: 00007f75171481c0 R11: 0000000000000246 R12: 0000000000000001 # [ 93.667956] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 93.682147] irq event stamp: 0 # [ 93.685577] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 93.692593] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 93.701739] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 93.710892] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 93.717906] ---[ end trace 3fb4adc707f7a856 ]--- # [ 93.723076] lkdtm: Saturation detected: still saturated # REFCOUNT_ADD_NOT_ZERO_SATURATED: saw 'call trace:': ok ok 56 selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_SATURATED.sh # selftests: lkdtm: REFCOUNT_DEC_AND_TEST_SATURATED.sh # [ 94.056938] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED # [ 94.065486] lkdtm: attempting bad refcount_dec_and_test() from saturated # [ 94.073002] ------------[ cut here ]------------ # [ 94.084362] refcount_t: underflow; use-after-free. # [ 94.089774] WARNING: CPU: 1 PID: 2553 at lib/refcount.c:28 refcount_warn_saturate+0xa6/0xf0 # [ 94.099120] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 94.121348] CPU: 1 PID: 2553 Comm: cat Tainted: G D W 5.10.131-cip13 #1 # [ 94.130051] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 94.142812] RIP: 0010:refcount_warn_saturate+0xa6/0xf0 # [ 94.148558] Code: 05 c7 33 76 01 01 e8 ff ee 95 00 0f 0b c3 80 3d b5 33 76 01 00 75 95 48 c7 c7 18 3b c6 92 c6 05 a5 33 76 01 01 e8 e0 ee 95 00 <0f> 0b c3 80 3d 94 33 76 01 00 0f 85 72 ff ff ff 48 c7 c7 70 3b c6 # [ 94.169527] RSP: 0018:ffffba7e82e5fe40 EFLAGS: 00010286 # [ 94.175382] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000 # [ 94.183364] RDX: ffffa0d6fbcac660 RSI: ffffa0d6fbc9bf70 RDI: ffffa0d6fbc9bf70 # [ 94.191328] RBP: ffffffff92cc7db8 R08: 0000000000000000 R09: 0000000000000000 # [ 94.199303] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 94.207279] R13: ffffba7e82e5ff10 R14: ffffba7e82e5ff10 R15: fff[ 96.030454] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM [ 96.041815] lkdtm: attempting good copy_from_user of correct size fa0d685864000 # [ 94.215255] FS: 00007f57aa736580(0000) GS:f[ 96.048701] lkdtm: attempting bad copy_from_user of too large size fffa0d6fbc80000(0000) knlGS:0000000000000000 # [ 94.224303] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 94.230730] CR2: 00007f57aa54f000 CR3: 0000000103646000 CR4: 00000000003506e0 # [ 94.238709] Call Trace: # [ 94.241467] __refcount_sub_and_test.constprop.0+0x34/0x40 # [ 94.247615] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x72 # [ 94.253959] direct_entry.cold+0x2c/0x38 # [ 94.258362] full_proxy_write+0x56/0x80 # [ 94.262669] vfs_write+0xea/0x390 # [ 94.266389] ksys_write+0x68/0xe0 # [ 94.270114] do_syscall_64+0x33/0x40 # [ 94.274126] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 94.279782] RIP: 0033:0x7f57aa65ef33 # [ 94.283790] 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 # [ 94.304738] RSP: 002b:00007ffd6c915198 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 94.313198] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f57aa65ef33 # [ 94.321175] RDX: 0000000000000020 RSI: 00007f57aa54f000 RDI: 0000000000000001 # [ 94.335352] RBP: 00007f57aa54f000 R08: 00007f57aa54e010 R09: 0000000000000000 # [ 94.343330] R10: 00007f57aa7591c0 R11: 0000000000000246 R12: 0000000000000001 # [ 94.351304] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 94.365482] irq event stamp: 0 # [ 94.375082] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 94.382102] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 94.391248] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 94.400392] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 94.407398] ---[ end trace 3fb4adc707f7a857 ]--- # [ 94.412564] 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 # [ 94.749274] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED # [ 94.760990] lkdtm: attempting bad refcount_sub_and_test() from saturated # [ 94.768504] ------------[ cut here ]------------ # [ 94.773670] refcount_t: underflow; use-after-free. # [ 94.785276] WARNING: CPU: 1 PID: 2588 at lib/refcount.c:28 refcount_warn_saturate+0xa6/0xf0 # [ 94.800750] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 94.816725] CPU: 1 PID: 2588 Comm: cat Tainted: G D W 5.10.131-cip13 #1 # [ 94.825428] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 94.832075] RIP: 0010:refcount_warn_saturate+0xa6/0xf0 # [ 94.837836] Code: 05 c7 33 76 01 01 e8 ff ee 95 00 0f 0b c3 80 3d b5 33 76 01 00 75 95 48 c7 c7 18 3b c6 92 c6 05 a5 33 76 01 01 e8 e0 ee 95 00 <0f> 0b c3 80 3d 94 33 76 01 00 0f 85 72 ff ff ff 48 c7 c7 70 3b c6 # [ 94.858796] RSP: 0018:ffffba7e82edfe40 EFLAGS: 00010286[ 96.365335] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO # [ 94.864650] RAX: 0000000000000000 RBX: 000000000000003b RC[ 96.373619] lkdtm: attempting good copy_to_user inside whitelist X: 0000000000000000 # [ 94.872638] RDX: ffffa0d6fbcac660 RSI:[ 96.386558] lkdtm: attempting bad copy_to_user outside whitelist ffffa0d6fbc9bf70 RDI: ffffa0d6fbc9bf70 # [ 94.880615] RBP: ffffffff92cc7dd8 R08: 0000000000000000 R09: 0000000000000000 # [ 94.888587] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 94.896549] R13: ffffba7e82edff10 R14: ffffba7e82edff10 R15: ffffa0d683f55000 # [ 94.904525] FS: 00007f1eebc0d580(0000) GS:ffffa0d6fbc80000(0000) knlGS:0000000000000000 # [ 94.913570] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 94.919996] CR2: 00007f1eeba26000 CR3: 00000001059da000 CR4: 00000000003506e0 # [ 94.927971] Call Trace: # [ 94.930727] __refcount_sub_and_test.constprop.0+0x34/0x40 # [ 94.936876] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x72 # [ 94.943226] direct_entry.cold+0x2c/0x38 # [ 94.947632] full_proxy_write+0x56/0x80 # [ 94.951930] vfs_write+0xea/0x390 # [ 94.955649] ksys_write+0x68/0xe0 # [ 94.959371] do_syscall_64+0x33/0x40 # [ 94.963379] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 94.969043] RIP: 0033:0x7f1eebb35f33 # [ 94.973058] 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 # [ 94.994038] RSP: 002b:00007ffe95232028 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 95.002505] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f1eebb35f33 # [ 95.010490] RDX: 0000000000000020 RSI: 00007f1eeba26000 RDI: 0000000000000001 # [ 95.018471] RBP: 00007f1eeba26000 R08: 00007f1eeba25010 R09: 0000000000000000 # [ 95.026447] R10: 00007f1eebc301c0 R11: 0000000000000246 R12: 0000000000000001 # [ 95.034426] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 95.042422] irq event stamp: 0 # [ 95.045847] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 95.059049] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 95.074374] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 95.089693] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 95.096704] ---[ end trace 3fb4adc707f7a858 ]--- # [ 95.101871] 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 # [ 95.686974] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO # [ 95.698571] lkdtm: attempting good copy_to_user of correct size # [ 95.711403] lkdtm: attempting bad copy_to_user of too large size # USERCOPY_HEAP_SIZE_TO: missing 'call trace:': [FAIL] not ok 61 selftests: lkdtm: USERCOPY_HEAP_SIZE_TO.sh # exit=1 # selftests: lkdtm: USERCOPY_HEAP_SIZE_FROM.sh # [ 96.030454] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM # [ 96.041815] lkdtm: attempting good copy_from_user of c[ 96.704646] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM orrect size # [ 96.048701] lkdtm: attempting bad copy_from_us[ 96.717113] lkdtm: attempting good copy_from_user inside whitelist er of too large size # USERCOPY_HEAP_SIZE_FROM: missing 'call t[ 96.730282] lkdtm: attempting bad copy_from_user outside whitelist race:': [FAIL] not ok 62 selftests: lkdtm: USERCOPY_HEAP_SIZE_FROM.sh # exit=1 # selftests: lkdtm: USERCOPY_HEAP_WHITELIST_TO.sh # [ 96.365335] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO # [ 96.373619] lkdtm: attempting good copy_to_user inside whitelist # [ 96.386558] 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 # [ 96.704646] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM # [ 96.717113] lkdtm: attempting good copy_from_user inside whitelist # [ 96.730282] lkdtm: attempting bad copy_from_user outside whitelist # USERCOPY_HEAP_WHITELIST_FROM: missing 'call trace:': [FAIL] not ok 64 selftests: lkdtm: USERCOPY_HEAP_WHITELIST_FROM.sh # exit=1 # selftests: lkdtm: USERCOPY_STACK_FRAME_TO.sh [ 97.072233] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO [ 97.079165] lkdtm: good_stack: ffffba7e83267e20-ffffba7e83267e40 [ 97.085905] lkdtm: bad_stack : ffffba7e83267da8-ffffba7e83267dc8 [ 97.092685] lkdtm: attempting good copy_to_user of local stack [ 97.099249] lkdtm: attempting bad copy_to_user of distant stack # [ 97.072233] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO # [ 97.079165] lkdtm: good_stack: ffffba7e83267e20-ffffba7e83267e40 # [ 97.085905] lkdtm: bad_stack : ffffba7e83267da8-ffffba7e83267dc8 # [ 97.092685] lkdtm: attempting good copy_to_user of local stack # [ 97.099249] 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 [ 97.420240] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM [ 97.427423] lkdtm: good_stack: ffffba7e832d7e20-ffffba7e832d7e40 [ 97.434168] lkdtm: bad_stack : ffffba7e832d7da8-ffffba7e832d7dc8 [ 97.440941] lkdtm: attempting good copy_from_user of local stack [ 97.447695] lkdtm: attempting bad copy_from_user of distant stack # [ 97.420240] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM # [ 97.427423] lkdtm: good_stack: ffffba7e832d7e20-ffffba7e832d7e40 # [ 97.434168] lkdtm: bad_stack : ffffba7e832d7da8-ffffba7e832d7dc8 # [ 97.440941] lkdtm: attempting good copy_from_user of local stack # [ 97.447695] 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 [ 97.775564] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND [ 97.782327] lkdtm: good_stack: ffffba7e83347e20-ffffba7e83347e40 [ 97.789076] lkdtm: bad_stack : ffffba7e83347ff8-ffffba7e83348018 [ 97.795850] lkdtm: attempting good copy_to_user of local stack [ 97.802434] lkdtm: attempting bad copy_to_user of distant stack [ 97.809093] lkdtm: copy_to_user failed, but lacked Oops # [ 97.775564] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND # [ 97.782327] lkdtm: good_stack: ffffba7e83347e20-ffffba7e83347e40 # [ 97.789076] lkdtm: bad_stack : ffffba7e83347ff8-ffffba7e83348018 # [ 97.795850] lkdtm: attempting good copy_to_user of local stack # [ 97.802434] lkdtm: attempting bad copy_to_user of distant stack # [ 97.809093] lkdtm: copy_to_user failed, but lacked Oops # USERCOPY_STACK_BEYOND: missing 'call trace:': [FAIL] not ok 67 selftests: lkdtm: USERCOPY_STACK_BEYOND.sh # exit=1 # selftests: lkdtm: USERCOPY_KERNEL.sh [ 98.146407] lkdtm: Performing direct entry USERCOPY_KERNEL [ 98.152594] lkdtm: attempting good copy_to_user from kernel rodata: ffffffff928d9f10 [ 98.161322] lkdtm: attempting bad copy_to_user from kernel text: ffffffff916d10e0 [ 98.169720] lkdtm: FAIL: survived bad copy_to_user() # [ 98.146407] lkdtm: Performing direct entry USERCOPY_KERNEL # [ 98.152594] lkdtm: attempting good copy_to_user from kernel rodata: ffffffff928d9f10 # [ 98.161322] lkdtm: attempting bad copy_to_user from kernel text: ffffffff916d10e0 # [ 98.169720] 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 [ 98.516964] lkdtm: Performing direct entry STACKLEAK_ERASING [ 98.523335] lkdtm: checking unused part of the thread stack (15928 bytes)... [ 98.531246] lkdtm: FAIL: the erased part is not found (checked 15928 bytes) [ 98.539062] lkdtm: FAIL: the thread stack is NOT properly erased [ 98.545799] CPU: 0 PID: 2953 Comm: cat Tainted: G D W 5.10.131-cip13 #1 [ 98.554434] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 98.561032] Call Trace: [ 98.563779] dump_stack+0x77/0x97 [ 98.567468] lkdtm_STACKLEAK_ERASING+0x116/0x140 [ 98.572617] direct_entry.cold+0x2c/0x38 [ 98.576997] full_proxy_write+0x56/0x80 [ 98.581285] vfs_write+0xea/0x390 [ 98.584980] ksys_write+0x68/0xe0 [ 98.588683] do_syscall_64+0x33/0x40 [ 98.592677] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 98.598316] RIP: 0033:0x7fdace573f33 [ 98.602307] 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 [ 98.623256] RSP: 002b:00007fff17a39d28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 98.631707] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fdace573f33 [ 98.639665] RDX: 0000000000000012 RSI: 00007fdace464000 RDI: 0000000000000001 [ 98.647627] RBP: 00007fdace464000 R08: 00007fdace463010 R09: 0000000000000000 [ 98.655595] R10: 00007fdace66e1c0 R11: 0000000000000246 R12: 0000000000000001 [ 98.663552] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 98.516964] lkdtm: Performing direct entry STACKLEAK_ERASING # [ 98.523335] lkdtm: checking unused part of the thread stack (15928 bytes)... # [ 98.531246] lkdtm: FAIL: the erased part is not found (checked 15928 bytes) # [ 98.539062] lkdtm: FAIL: the thread stack is NOT properly erased # [ 98.545799] CPU: 0 PID: 2953 Comm: cat Tainted: G D W 5.10.131-cip13 #1 # [ 98.554434] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 98.561032] Call Trace: # [ 98.563779] dump_stack+0x77/0x97 # [ 98.567468] lkdtm_STACKLEAK_ERASING+0x116/0x140 # [ 98.572617] direct_entry.cold+0x2c/0x38 # [ 98.576997] full_proxy_write+0x56/0x80 # [ 98.581285] vfs_write+0xea/0x390 # [ 98.584980] ksys_write+0x68/0xe0 # [ 98.588683] do_syscall_64+0x33/0x40 # [ 98.592677] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 98.598316] RIP: 0033:0x7fdace573f33 # [ 98.602307] 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 # [ 98.623256] RSP: 002b:00007fff17a39d28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 98.631707] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fdace573f33 # [ 98.639665] RDX: 0000000000000012 RSI: 00007fdace464000 RDI: 0000000000000001 # [ 98.647627] RBP: 00007fdace464000 R08: 00007fdace463010 R09: 0000000000000000 # [ 98.655595] R10: 00007fdace66e1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 98.663552] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # STACKLEAK_ERASING: missing 'OK: the rest of the thread stack is properly erased': [FAIL] not ok 69 selftests: lkdtm: STACKLEAK_ERASING.sh # exit=1 # selftests: lkdtm: CFI_FORWARD_PROTO.sh [ 99.004517] lkdtm: Performing direct entry CFI_FORWARD_PROTO [ 99.010884] lkdtm: Calling matched prototype ... [ 99.016079] lkdtm: Calling mismatched prototype ... [ 99.021562] lkdtm: Fail: survived mismatched prototype function call! # [ 99.004517] lkdtm: Performing direct entry CFI_FORWARD_PROTO # [ 99.010884] lkdtm: Calling matched prototype ... # [ 99.016079] lkdtm: Calling mismatched prototype ... # [ 99.021562] 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 / #