[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 48270 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 33 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 268944 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 4831 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 52606 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 14039 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 14021 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 18091 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 14019 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 11233 usecs scan_bus: scanning of bus DOMAIN: 0000 took 390413 usecs root_dev_scan_bus for Root Device done scan_bus: scanning of bus Root Device took 410339 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 2022-08-11 14:37:25 UTC POST: Unexpected post code in previous boot: 0x98 ELOG: Event(A3) added with size 11 at 2022-08-11 14:37:25 UTC ELOG: Event(AA) added with size 11 at 2022-08-11 14:37:25 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 96134 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 2943734 exit 0 Enabling resources... PCI: 00:00.0 cmd <- 07 PCI: 00:00.1 subsystem <- 8086/5a8c PCI: 00:00.1 cmd <- 02 PCI: 00:00.2 subsystem <- 8086/5a8e PCI: 00:00.2 cmd <- 06 PCI: 00:02.0 cmd <- 03 PCI: 00:03.0 subsystem <- 8086/5a88 PCI: 00:03.0 cmd <- 02 PCI: 00:0d.1 cmd <- 07 PCI: 00:0d.2 subsystem <- 8086/5a96 PCI: 00:0d.2 cmd <- 406 PCI: 00:0d.3 cmd <- 06 PCI: 00:0e.0 cmd <- 02 PCI: 00:0f.0 cmd <- 06 PCI: 00:0f.1 cmd <- 06 PCI: 00:0f.2 cmd <- 06 PCI: 00:14.0 bridge ctrl <- 0003 PCI: 00:14.0 cmd <- 06 PCI: 00:15.0 cmd <- 02 PCI: 00:16.0 cmd <- 02 PCI: 00:16.1 cmd <- 02 PCI: 00:16.2 cmd <- 06 PCI: 00:16.3 cmd <- 02 PCI: 00:17.0 cmd <- 02 PCI: 00:17.1 cmd <- 02 PCI: 00:18.0 cmd <- 02 PCI: 00:18.1 cmd <- 02 PCI: 00:18.2 cmd <- 06 PCI: 00:19.0 subsystem <- 8086/5ac2 PCI: 00:19.0 cmd <- 02 PCI: 00:1b.0 cmd <- 06 PCI: 00:1c.0 subsystem <- 8086/5acc PCI: 00:1c.0 cmd <- 06 PCI: 00:1f.0 cmd <- 07 PCI: 00:1f.1 subsystem <- 8086/5ad4 PCI: 00:1f.1 cmd <- 03 PCI: 01:00.0 subsystem <- 8086/095a PCI: 01:00.0 cmd <- 02 done. BS: BS_DEV_ENABLE times (us): entry 161 run 112154 exit 0 FMAP: area FPF_STATUS found @ 42f000 (4096 bytes) Initializing devices... Root Device init ... Root Device init finished in 2130 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 3 apic_id 2. AP: slot 2 apic_id 4. AP: slot 1 apic_id 6. done. Waiting for 2nd SIPI to complete...done. Loading module at 00038000 with entry 00038000. filesize: 0x1a8 memsize: 0x1a8 Processing 12 relocs. Offset value of 0x00038000 SMM Module: stub loaded at 00038000. Will call 7ab9065d(00000000) Installing SMM handler to 0x7b000000 Loading module at 7b010000 with entry 7b010cfc. filesize: 0x3550 memsize: 0x7630 Processing 229 relocs. Offset value of 0x7b010000 Loading module at 7b008000 with entry 7b008000. filesize: 0x1a8 memsize: 0x1a8 Processing 12 relocs. Offset value of 0x7b008000 SMM Module: placing jmp sequence at 7b007c00 rel16 0x03fd SMM Module: placing jmp sequence at 7b007800 rel16 0x07fd SMM Module: placing jmp sequence at 7b007400 rel16 0x0bfd SMM Module: stub loaded at 7b008000. Will call 7b010cfc(00000000) Clearing SMI status registers New SMBASE 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 Initializing CPU #2 CPU: vendor Intel device 506c9 CPU: family 06, model 5c, stepping 09 CPU: vendor Intel device 506c9 CPU: family 06, model 5c, stepping 09 CPU #1 initialized CPU #3 initialized CPU: vendor Intel device 506c9 CPU: family 06, model 5c, stepping 09 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 467206 usecs PCI: 00:00.0 init ... PCI: 00:00.0 init finished in 2228 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 2230 usecs PCI: 00:02.0 init ... PCI: 00:02.0 init finished in 2227 usecs PCI: 00:03.0 init ... PCI: 00:03.0 init finished in 2225 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 27271 usecs PCI: 00:0d.2 init ... PCI: 00:0d.2 init finished in 2225 usecs PCI: 00:0f.0 init ... PCI: 00:0f.0 init finished in 2228 usecs PCI: 00:0f.1 init ... PCI: 00:0f.1 init finished in 2224 usecs PCI: 00:0f.2 init ... PCI: 00:0f.2 init finished in 2226 usecs PCI: 00:15.0 init ... PCI: 00:15.0 init finished in 2230 usecs PCI: 00:16.0 init ... LPSS I2C bus 0 at 0xc2b21000 (400 KHz) PCI: 00:16.0 init finished in 6102 usecs PCI: 00:16.1 init ... LPSS I2C bus 1 at 0xc2b23000 (400 KHz) PCI: 00:16.1 init finished in 6096 usecs PCI: 00:16.2 init ... LPSS I2C bus 2 at 0xc2b25000 (400 KHz) PCI: 00:16.2 init finished in 6096 usecs PCI: 00:16.3 init ... LPSS I2C bus 3 at 0xc2b27000 (400 KHz) PCI: 00:16.3 init finished in 6098 usecs PCI: 00:17.0 init ... LPSS I2C bus 4 at 0xc2b29000 (400 KHz) PCI: 00:17.0 init finished in 6099 usecs PCI: 00:17.1 init ... LPSS I2C bus 5 at 0xc2b2b000 (400 KHz) PCI: 00:17.1 init finished in 6095 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 2216 usecs PCI: 00:1f.0 init ... RTC Init PCI: 00:1f.0 init finished in 3546 usecs PCI: 00:1f.1 init ... PCI: 00:1f.1 init finished in 2234 usecs PCI: 01:00.0 init ... PCI: 01:00.0 init finished in 2328 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 41110 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 4970 run 878219 exit 883 ELOG: Event(A1) added with size 10 at 2022-08-11 14:37:29 UTC elog_add_boot_reason: Logged recovery mode boot (Dev-switch on), reason: 0x1b ELOG: Event(A0) added with size 9 at 2022-08-11 14:37:29 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 24817 run 3930 exit 5253 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 48a8 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 810791 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 171 run 107859 exit 30931 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 7015267/tftp-deploy-zhcwf9qf/kernel/bzImage 7015267/tftp-deploy-zhcwf9qf/kernel/cmdline 7015267/tftp-deploy-zhcwf9qf/ramdisk/ramdisk.cpio.gz tftpboot 192.168.201.1 7015267/tftp-deploy-zhcwf9qf/kernel/bzImaoy-zhcwf9qf/kernel/cmdline 7015267/tftp-deploy-zhcwf9qf/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: 7015267/tftp-deploy-zhcwf9qf/kernel/bzImage Sending tftp read request... done. Waiting for the transfer... 00000000 ################################################################ 00080000 ################################################################ 00100000 ################################################################ 00180000 ################################################################ 00200000 ################################################################ 00280000 ################################################################ 00300000 ################################################################ 00380000 ################################################################ 00400000 ################################################################ 00480000 ################################################################ 00500000 ################################################################ 00580000 ################################################################ 00600000 ################################################################ 00680000 ################################################################ 00700000 ################################################################ 00780000 ################################################################ 00800000 ################################################################ 00880000 ################################################################ 00900000 ################################################################ 00980000 ################################################################ 00a00000 ################################################################ 00a80000 ################################################################ 00b00000 ################################################################ 00b80000 ################################################################ 00c00000 ################################################################ 00c80000 ################################################################ 00d00000 ####### done. The bootfile was 13683360 bytes long. Sending tftp read request... done. Waiting for the transfer... 00000000 ################################################################ 00080000 ################################################################ 00100000 ################################################################ 00180000 ################################################################ 00200000 ################################################################ 00280000 ################################################################ 00300000 ################################################################ 00380000 ################################################################ 00400000 ################################################################ 00480000 ################################################################ 00500000 ################################################################ 00580000 ################################################################ 00600000 ################################################################ 00680000 ################################################################ 00700000 ################################################################ 00780000 ################################################################ 00800000 ### done. Sending tftp read request... done. Waiting for the transfer... 00000000 # done. Command line loaded dynamically from TFTP file: 7015267/tftp-deploy-zhcwf9qf/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/7015267/extract-nfsrootfs-4m81iw1h,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: 19537353 Starting kernel ... [ 0.000000] Linux version 5.10.136-cip13 (KernelCI@build-j18989-x86-64-gcc-10-x86-64-defconfig-x86-chromebooks4lmj) (gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2) #1 SMP Thu Aug 11 14:01:46 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/7015267/extract-nfsrootfs-4m81iw1h,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 [ 0.000057] last_pfn = 0x180000 max_arch_pfn = 0x400000000 [ 0.000317] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT [ 0.001192] last_pfn = 0x7a9fd max_arch_pfn = 0x400000000 [ 0.005332] check: Scanning 1 areas for low memory corruption [ 0.005345] Using GB pages for direct mapping [ 0.006031] RAMDISK: [mem 0x377fa000-0x37ffffff] [ 0.006039] ACPI: Early table checksum verification disabled [ 0.006047] ACPI: RSDP 0x00000000000F0000 000024 (v02 CORE ) [ 0.006059] ACPI: XSDT 0x000000007AB100E0 00005C (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.006072] ACPI: FACP 0x000000007AB13130 0000F4 (v04 CORE COREBOOT 00000000 CORE 00000000) [ 0.006086] ACPI: DSDT 0x000000007AB10280 002EA8 (v05 COREv4 COREBOOT 20110725 INTL 20150717) [ 0.006097] ACPI: FACS 0x000000007AB10240 000040 [ 0.006106] ACPI: FACS 0x000000007AB10240 000040 [ 0.006115] ACPI: SSDT 0x000000007AB13230 0015FA (v02 CORE COREBOOT 0000002A CORE 0000002A) [ 0.006126] ACPI: MCFG 0x000000007AB14830 00003C (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.006136] ACPI: TCPA 0x000000007AB14870 000032 (v02 CORE COREBOOT 00000000 CORE 00000000) [ 0.006145] ACPI: APIC 0x000000007AB148B0 00006C (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.006155] ACPI: NHLT 0x000000007AB14920 000E60 (v05 coral coral 00000021 CORE 00000000) [ 0.006165] ACPI: HPET 0x000000007AB17780 000038 (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.006175] ACPI: Reserving FACP table memory at [mem 0x7ab13130-0x7ab13223] [ 0.006180] ACPI: Reserving DSDT table memory at [mem 0x7ab10280-0x7ab13127] [ 0.006184] ACPI: Reserving FACS table memory at [mem 0x7ab10240-0x7ab1027f] [ 0.006188] ACPI: Reserving FACS table memory at [mem 0x7ab10240-0x7ab1027f] [ 0.006191] ACPI: Reserving SSDT table memory at [mem 0x7ab13230-0x7ab14829] [ 0.006195] ACPI: Reserving MCFG table memory at [mem 0x7ab14830-0x7ab1486b] [ 0.006199] ACPI: Reserving TCPA table memory at [mem 0x7ab14870-0x7ab148a1] [ 0.006203] ACPI: Reserving APIC table memory at [mem 0x7ab148b0-0x7ab1491b] [ 0.006207] ACPI: Reserving NHLT table memory at [mem 0x7ab14920-0x7ab1577f] [ 0.006211] ACPI: Reserving HPET table memory at [mem 0x7ab17780-0x7ab177b7] [ 0.006332] No NUMA configuration found [ 0.006336] Faking a node at [mem 0x0000000000000000-0x000000017fffffff] [ 0.006345] NODE_DATA(0) allocated [mem 0x17fffc000-0x17fffffff] [ 0.006392] Zone ranges: [ 0.006397] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 0.006403] DMA32 [mem 0x0000000001000000-0x00000000ffffffff] [ 0.006409] Normal [mem 0x0000000100000000-0x000000017fffffff] [ 0.006415] Movable zone start for each node [ 0.006419] Early memory node ranges [ 0.006423] node 0: [mem 0x0000000000001000-0x000000000009ffff] [ 0.006427] node 0: [mem 0x0000000000100000-0x000000000fffffff] [ 0.006431] node 0: [mem 0x0000000012151000-0x000000007a9fcfff] [ 0.006436] node 0: [mem 0x0000000100000000-0x000000017fffffff] [ 0.006441] Initmem setup node 0 [mem 0x0000000000001000-0x000000017fffffff] [ 0.006473] On node 0, zone DMA: 1 pages in unavailable ranges [ 0.006524] On node 0, zone DMA: 96 pages in unavailable ranges [ 0.013237] On node 0, zone DMA32: 8529 pages in unavailable ranges [ 0.020721] On node 0, zone Normal: 22019 pages in unavailable ranges [ 0.020762] Reserving Intel graphics memory at [mem 0x7c000000-0x7fffffff] [ 0.021057] ACPI: PM-Timer IO Port: 0x408 [ 0.021132] IOAPIC[0]: apic_id 2, version 32, address 0xfec00000, GSI 0-119 [ 0.021150] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl) [ 0.021156] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 low level) [ 0.021168] Using ACPI (MADT) for SMP configuration information [ 0.021174] ACPI: HPET id: 0x8086a701 base: 0xfed00000 [ 0.021186] TSC deadline timer available [ 0.021192] smpboot: Allowing 4 CPUs, 0 hotplug CPUs [ 0.021224] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] [ 0.021230] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000fffff] [ 0.021235] PM: hibernation: Registered nosave memory: [mem 0x10000000-0x12150fff] [ 0.021239] PM: hibernation: Registered nosave memory: [mem 0x7a9fd000-0x7affffff] [ 0.021243] PM: hibernation: Registered nosave memory: [mem 0x7b000000-0x7fffffff] [ 0.021247] PM: hibernation: Registered nosave memory: [mem 0x80000000-0xcfffffff] [ 0.021251] PM: hibernation: Registered nosave memory: [mem 0xd0000000-0xd0ffffff] [ 0.021254] PM: hibernation: Registered nosave memory: [mem 0xd1000000-0xdfffffff] [ 0.021258] PM: hibernation: Registered nosave memory: [mem 0xe0000000-0xefffffff] [ 0.021262] PM: hibernation: Registered nosave memory: [mem 0xf0000000-0xfed0ffff] [ 0.021265] PM: hibernation: Registered nosave memory: [mem 0xfed10000-0xfed17fff] [ 0.021269] PM: hibernation: Registered nosave memory: [mem 0xfed18000-0xffffffff] [ 0.021276] [mem 0x80000000-0xcfffffff] available for PCI devices [ 0.021285] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1910969940391419 ns [ 0.029752] setup_percpu: NR_CPUS:64 nr_cpumask_bits:64 nr_cpu_ids:4 nr_node_ids:1 [ 0.030384] percpu: Embedded 59 pages/cpu s200848 r8192 d32624 u524288 [ 0.030480] Built 1 zonelists, mobility grouping on. Total pages: 1002002 [ 0.030489] Policy zone: Normal [ 0.030511] 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/7015267/extract-nfsrootfs-4m81iw1h,tcp,hard ip=dhcp tftpserverip=192.168.201.1 [ 0.031467] Dentry cache hash table entries: 524288 (order: 10, 4194304 bytes, linear) [ 0.031911] Inode-cache hash table entries: 262144 (order: 9, 2097152 bytes, linear) [ 0.031977] mem auto-init: stack:off, heap alloc:off, heap free:off [ 0.065139] Memory: 3873296K/4071724K available (18450K kernel code, 3464K rwdata, 6032K rodata, 2040K init, 13236K bss, 198168K reserved, 0K cma-reserved) [ 0.065302] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1 [ 0.065362] Kernel/User page tables isolation: enabled [ 0.065442] ftrace: allocating 53357 entries in 209 pages [ 0.095950] ftrace: allocated 209 pages with 4 groups [ 0.096301] Running RCU self tests [ 0.096320] rcu: Hierarchical RCU implementation. [ 0.096324] rcu: RCU event tracing is enabled. [ 0.096327] rcu: RCU lockdep checking is enabled. [ 0.096331] rcu: RCU restricting CPUs from NR_CPUS=64 to nr_cpu_ids=4. [ 0.096336] Rude variant of Tasks RCU enabled. [ 0.096339] Tracing variant of Tasks RCU enabled. [ 0.096343] rcu: RCU calculated value of scheduler-enlistment delay is 100 jiffies. [ 0.096347] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=4 [ 0.104745] NR_IRQS: 4352, nr_irqs: 1024, preallocated irqs: 16 [ 0.105182] random: crng init done [ 0.105299] Console: colour dummy device 80x25 [ 0.174185] printk: console [ttyS2] enabled [ 0.174542] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 0.175190] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 0.175544] ... MAX_LOCK_DEPTH: 48 [ 0.175907] ... MAX_LOCKDEP_KEYS: 8192 [ 0.176276] ... CLASSHASH_SIZE: 4096 [ 0.176652] ... MAX_LOCKDEP_ENTRIES: 32768 [ 0.177027] ... MAX_LOCKDEP_CHAINS: 65536 [ 0.177412] ... CHAINHASH_SIZE: 32768 [ 0.177794] memory used by lock dependency info: 6365 kB [ 0.178245] memory used for stack traces: 4224 kB [ 0.178658] per task-struct memory footprint: 1920 bytes [ 0.179186] ACPI: Core revision 20200925 [ 0.179887] clocksource: hpet: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 99544814920 ns [ 0.180729] APIC: Switch to symmetric I/O mode setup [ 0.185622] ..TIMER: vector=0x30 apic1=0 pin1=2 apic2=-1 pin2=-1 [ 0.190717] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0xfc66f4fc7c, max_idle_ns: 440795224246 ns [ 0.191609] Calibrating delay loop (skipped), value calculated using timer frequency.. 2188.80 BogoMIPS (lpj=1094400) [ 0.192595] pid_max: default: 32768 minimum: 301 [ 0.193672] LSM: Security Framework initializing [ 0.194098] SELinux: Initializing. [ 0.194648] LSM support for eBPF active [ 0.195028] Mount-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) [ 0.195609] Mountpoint-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) [ 0.197664] mce: CPU0: Thermal monitoring enabled (TM1) [ 0.198206] Last level iTLB entries: 4KB 48, 2MB 0, 4MB 0 [ 0.198594] Last level dTLB entries: 4KB 0, 2MB 0, 4MB 0, 1GB 0 [ 0.199106] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization [ 0.199596] Spectre V2 : Mitigation: Retpolines [ 0.199980] Spectre V2 : Spectre v2 / SpectreRSB mitigation: Filling RSB on context switch [ 0.200594] Spectre V2 : Spectre v2 / SpectreRSB : Filling RSB on VMEXIT [ 0.201163] Speculative Store Bypass: Vulnerable [ 0.218922] ------------[ cut here ]------------ [ 0.219342] missing return thunk: lkdtm_rodata_do_nothing+0x0/0x10-lkdtm_rodata_do_nothing+0x5/0x10: e9 00 00 00 00 [ 0.219353] WARNING: CPU: 0 PID: 0 at arch/x86/kernel/alternative.c:712 apply_returns+0x1f5/0x220 [ 0.220594] Modules linked in: [ 0.220867] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.10.136-cip13 #1 [ 0.221595] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 0.222099] RIP: 0010:apply_returns+0x1f5/0x220 [ 0.222597] Code: c4 01 00 0f 85 e1 fe ff ff 49 89 e8 b9 05 00 00 00 4c 89 f2 48 89 ee 48 c7 c7 90 6b 20 99 c6 05 3b 5d c4 01 01 e8 e3 6c e8 00 <0f> 0b e9 b9 fe ff ff 44 89 f9 c7 00 cc cc cc cc c7 44 08 fc cc cc [ 0.223594] RSP: 0000:ffffffff99403de0 EFLAGS: 00010282 [ 0.224595] RAX: 0000000000000000 RBX: ffffffff99ee48b4 RCX: 0000000000000000 [ 0.225199] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff97b7ab31 [ 0.225595] RBP: ffffffff98eda1c0 R08: 0000000000000001 R09: 0000000000000001 [ 0.226196] R10: ffffffff9948fb80 R11: 3fffffffffffffff R12: ffffffff99efc44c [ 0.226594] R13: cccccccccccccccc R14: ffffffff98eda1c5 R15: 0000000000000004 [ 0.227596] FS: 0000000000000000(0000) GS:ffff8f1b3bc00000(0000) knlGS:0000000000000000 [ 0.228276] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 0.228595] CR2: ffff8f1b15a01000 CR3: 0000000154226000 CR4: 00000000003506f0 [ 0.229199] Call Trace: [ 0.229620] alternative_instructions+0x7d/0x143 [ 0.230021] check_bugs+0xebd/0xf19 [ 0.230329] start_kernel+0x517/0x54d [ 0.230601] secondary_startup_64_no_verify+0xc2/0xcb [ 0.231047] irq event stamp: 89231 [ 0.231342] hardirqs last enabled at (89239): [] console_unlock+0x4d1/0x5f0 [ 0.231595] hardirqs last disabled at (89250): [] console_unlock+0x444/0x5f0 [ 0.232596] softirqs last enabled at (89260): [] irq_enter_rcu+0x71/0x80 [ 0.233595] softirqs last disabled at (89271): [] irq_enter_rcu+0x56/0x80 [ 0.234297] ---[ end trace 8c1e8df02166ac76 ]---# [ 0.243527] Freeing SMP alternatives memory: 44K [ 0.245747] smpboot: CPU0: Intel(R) Pentium(R) CPU N4200 @ 1.10GHz (family: 0x6, model: 0x5c, stepping: 0x9) [ 0.247497] Performance Events: PEBS fmt3+, Goldmont events, 32-deep LBR, full-width counters, Intel PMU driver. [ 0.247607] ... version: 4 [ 0.247950] ... bit width: 48 [ 0.248305] ... generic registers: 4 [ 0.248596] ... value mask: 0000ffffffffffff [ 0.249052] ... max period: 00007fffffffffff [ 0.249503] ... fixed-purpose events: 3 [ 0.249596] ... event mask: 000000070000000f [ 0.250546] rcu: Hierarchical SRCU implementation. [ 0.252415] smp: Bringing up secondary CPUs ... [ 0.253435] x86: Booting SMP configuration: [ 0.253611] .... node #0, CPUs: #1 #2 #3 [ 0.256758] smp: Brought up 1 node, 4 CPUs [ 0.257602] smpboot: Max logical packages: 1 [ 0.257978] smpboot: Total of 4 processors activated (8755.20 BogoMIPS) [ 0.260601] devtmpfs: initialized [ 0.261244] x86/mm: Memory block size: 128MB [ 0.265693] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1911260446275000 ns [ 0.266612] futex hash table entries: 1024 (order: 5, 131072 bytes, linear) [ 0.267713] pinctrl core: initialized pinctrl subsystem [ 0.268543] PM: RTC time: 14:37:43, date: 2022-08-11 [ 0.269173] NET: Registered protocol family 16 [ 0.270320] audit: initializing netlink subsys (disabled) [ 0.270680] audit: type=2000 audit(1660228663.084:1): state=initialized audit_enabled=0 res=1 [ 0.271407] thermal_sys: Registered thermal governor 'step_wise' [ 0.271413] thermal_sys: Registered thermal governor 'user_space' [ 0.272708] cpuidle: using governor menu [ 0.273824] ACPI: bus type PCI registered [ 0.273994] PCI: MMCONFIG for domain 0000 [bus 00-ff] at [mem 0xe0000000-0xefffffff] (base 0xe0000000) [ 0.274602] PCI: MMCONFIG at [mem 0xe0000000-0xefffffff] reserved in E820 [ 0.275232] PCI: Using configuration type 1 for base access [ 0.299906] Kprobes globally optimized [ 0.300760] HugeTLB registered 1.00 GiB page size, pre-allocated 0 pages [ 0.301612] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages [ 0.302792] cryptomgr_test (40) used greatest stack depth: 14880 bytes left [ 0.305917] ACPI: Added _OSI(Module Device) [ 0.306289] ACPI: Added _OSI(Processor Device) [ 0.306599] ACPI: Added _OSI(3.0 _SCP Extensions) [ 0.307009] ACPI: Added _OSI(Processor Aggregator Device) [ 0.307478] ACPI: Added _OSI(Linux-Dell-Video) [ 0.307598] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio) [ 0.308059] ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics) [ 0.317368] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 0.325077] ACPI: EC: EC started [ 0.325378] ACPI: EC: interrupt blocked [ 0.326251] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62 [ 0.326602] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC used to handle transactions [ 0.327222] ACPI: Interpreter enabled [ 0.327607] ACPI: (supports S0 S3 S5) [ 0.327931] ACPI: Using IOAPIC for interrupt routing [ 0.328408] PCI: Using host bridge windows from ACPI; if necessary, use \"pci=nocrs\" and report a bug [ 0.329458] ACPI: Enabled 1 GPEs in block 00 to 7F [ 0.334637] ACPI: Power Resource [PXP] (on) [ 0.357612] ACPI: Power Resource [PRIC] (on) [ 0.384118] ACPI: Power Resource [PRIC] (on) [ 0.454203] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 0.455609] acpi PNP0A08:00: _OSC: OS supports [ExtendedConfig ASPM ClockPM Segments MSI HPX-Type3] [ 0.456664] acpi PNP0A08:00: _OSC: OS now controls [PME PCIeCapability LTR] [ 0.458024] PCI host bridge to bus 0000:00 [ 0.458379] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 0.458599] pci_bus 0000:00: root bus resource [io 0x1000-0xffff window] [ 0.459177] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 0.459598] pci_bus 0000:00: root bus resource [mem 0x7b800000-0x7fffffff window] [ 0.460229] pci_bus 0000:00: root bus resource [mem 0x80000000-0xe0000000 window] [ 0.460599] pci_bus 0000:00: root bus resource [bus 00-ff] [ 0.461154] pci 0000:00:00.0: [8086:5af0] type 00 class 0x060000 [ 0.462524] pci 0000:00:00.1: [8086:5a8c] type 00 class 0x118000 [ 0.463638] pci 0000:00:00.1: reg 0x10: [mem 0xc2b10000-0xc2b17fff 64bit] [ 0.464894] pci 0000:00:00.2: [8086:5a8e] type 00 class 0x130000 [ 0.465433] pci 0000:00:00.2: reg 0x10: [mem 0xc2800000-0xc28fffff 64bit] [ 0.465613] pci 0000:00:00.2: reg 0x18: [mem 0xc2000000-0xc27fffff 64bit] [ 0.466202] pci 0000:00:00.2: reg 0x20: [mem 0xc2b38000-0xc2b381ff 64bit] [ 0.467075] pci 0000:00:02.0: [8086:5a84] type 00 class 0x030000 [ 0.467606] pci 0000:00:02.0: reg 0x10: [mem 0xc0000000-0xc0ffffff 64bit] [ 0.468194] pci 0000:00:02.0: reg 0x18: [mem 0xb0000000-0xbfffffff 64bit pref] [ 0.469606] pci 0000:00:02.0: reg 0x20: [io 0x1000-0x103f] [ 0.470589] pci 0000:00:03.0: [8086:5a88] type 00 class 0x048000 [ 0.471127] pci 0000:00:03.0: reg 0x10: [mem 0xc1000000-0xc1ffffff 64bit] [ 0.472182] pci 0000:00:0e.0: [8086:5a98] type 00 class 0x040100 [ 0.472632] pci 0000:00:0e.0: reg 0x10: [mem 0xc2b18000-0xc2b1bfff 64bit] [ 0.473257] pci 0000:00:0e.0: reg 0x20: [mem 0xc2900000-0xc29fffff 64bit] [ 0.473722] pci 0000:00:0e.0: PME# supported from D0 D3hot D3cold [ 0.474956] pci 0000:00:0f.0: [8086:5a9a] type 00 class 0x078000 [ 0.475509] pci 0000:00:0f.0: reg 0x10: [mem 0xc2b1e000-0xc2b1efff 64bit] [ 0.476761] pci 0000:00:0f.0: PME# supported from D3hot [ 0.477725] pci 0000:00:14.0: [8086:5ad6] type 01 class 0x060400 [ 0.478453] pci 0000:00:14.0: PME# supported from D0 D3hot D3cold [ 0.479274] pci 0000:00:15.0: [8086:5aa8] type 00 class 0x0c0330 [ 0.479634] pci 0000:00:15.0: reg 0x10: [mem 0xc2b00000-0xc2b0ffff 64bit] [ 0.480366] pci 0000:00:15.0: PME# supported from D3hot D3cold [ 0.481252] pci 0000:00:16.0: [8086:5aac] type 00 class 0x118000 [ 0.482644] pci 0000:00:16.0: reg 0x10: [mem 0xc2b21000-0xc2b21fff 64bit] [ 0.483235] pci 0000:00:16.0: reg 0x18: [mem 0xc2b22000-0xc2b22fff 64bit] [ 0.484275] pci 0000:00:16.1: [8086:5aae] type 00 class 0x118000 [ 0.484634] pci 0000:00:16.1: reg 0x10: [mem 0xc2b23000-0xc2b23fff 64bit] [ 0.485237] pci 0000:00:16.1: reg 0x18: [mem 0xc2b24000-0xc2b24fff 64bit] [ 0.486267] pci 0000:00:16.2: [8086:5ab0] type 00 class 0x118000 [ 0.486635] pci 0000:00:16.2: reg 0x10: [mem 0xc2b25000-0xc2b25fff 64bit] [ 0.487238] pci 0000:00:16.2: reg 0x18: [mem 0xc2b26000-0xc2b26fff 64bit] [ 0.489263] pci 0000:00:16.3: [8086:5ab2] type 00 class 0x118000 [ 0.489635] pci 0000:00:16.3: reg 0x10: [mem 0xc2b27000-0xc2b27fff 64bit] [ 0.490234] pci 0000:00:16.3: reg 0x18: [mem 0xc2b28000-0xc2b28fff 64bit] [ 0.491283] pci 0000:00:17.0: [8086:5ab4] type 00 class 0x118000 [ 0.491636] pci 0000:00:17.0: reg 0x10: [mem 0xc2b29000-0xc2b29fff 64bit] [ 0.492239] pci 0000:00:17.0: reg 0x18: [mem 0xc2b2a000-0xc2b2afff 64bit] [ 0.493278] pci 0000:00:17.1: [8086:5ab6] type 00 class 0x118000 [ 0.494638] pci 0000:00:17.1: reg 0x10: [mem 0xc2b2b000-0xc2b2bfff 64bit] [ 0.495234] pci 0000:00:17.1: reg 0x18: [mem 0xc2b2c000-0xc2b2cfff 64bit] [ 0.496306] pci 0000:00:18.0: [8086:5abc] type 00 class 0x118000 [ 0.496634] pci 0000:00:18.0: reg 0x10: [mem 0xc2b2d000-0xc2b2dfff 64bit] [ 0.497232] pci 0000:00:18.0: reg 0x18: [mem 0xc2b2e000-0xc2b2efff 64bit] [ 0.498262] pci 0000:00:18.1: [8086:5abe] type 00 class 0x118000 [ 0.498635] pci 0000:00:18.1: reg 0x10: [mem 0xc2b2f000-0xc2b2ffff 64bit] [ 0.499230] pci 0000:00:18.1: reg 0x18: [mem 0xc2b30000-0xc2b30fff 64bit] [ 0.501265] pci 0000:00:18.2: [8086:5ac0] type 00 class 0x118000 [ 0.501636] pci 0000:00:18.2: reg 0x10: [mem 0xde000000-0xde000fff 64bit] [ 0.502228] pci 0000:00:18.2: reg 0x18: [mem 0xc2b31000-0xc2b31fff 64bit] [ 0.503290] pci 0000:00:19.0: [8086:5ac2] type 00 class 0x118000 [ 0.503636] pci 0000:00:19.0: reg 0x10: [mem 0xc2b32000-0xc2b32fff 64bit] [ 0.504228] pci 0000:00:19.0: reg 0x18: [mem 0xc2b33000-0xc2b33fff 64bit] [ 0.505315] pci 0000:00:1b.0: [8086:5aca] type 00 class 0x080501 [ 0.506629] pci 0000:00:1b.0: reg 0x10: [mem 0xc2b34000-0xc2b34fff 64bit] [ 0.507228] pci 0000:00:1b.0: reg 0x18: [mem 0xc2b35000-0xc2b35fff 64bit] [ 0.508241] pci 0000:00:1c.0: [8086:5acc] type 00 class 0x080501 [ 0.508630] pci 0000:00:1c.0: reg 0x10: [mem 0xc2b36000-0xc2b36fff 64bit] [ 0.509227] pci 0000:00:1c.0: reg 0x18: [mem 0xc2b37000-0xc2b37fff 64bit] [ 0.510379] pci 0000:00:1f.0: [8086:5ae8] type 00 class 0x060100 [ 0.511453] pci 0000:00:1f.1: [8086:5ad4] type 00 class 0x0c0500 [ 0.512668] pci 0000:00:1f.1: reg 0x10: [mem 0xc2b39000-0xc2b390ff 64bit] [ 0.513327] pci 0000:00:1f.1: reg 0x20: [io 0x1040-0x105f] [ 0.514796] pci 0000:01:00.0: [8086:095a] type 00 class 0x028000 [ 0.515503] pci 0000:01:00.0: reg 0x10: [mem 0xc2a00000-0xc2a01fff 64bit] [ 0.516092] pci 0000:01:00.0: Upstream bridge's Max Payload Size set to 128 (was 256, max 256) [ 0.517792] pci 0000:01:00.0: Max Payload Size set to 128 (was 128, max 128) [ 0.519444] pci 0000:01:00.0: PME# supported from D0 D3hot D3cold [ 0.521422] pci 0000:00:14.0: PCI bridge to [bus 01] [ 0.521610] pci 0000:00:14.0: bridge window [mem 0xc2a00000-0xc2afffff] [ 0.529602] ACPI: EC: interrupt unblocked [ 0.529961] ACPI: EC: event unblocked [ 0.530311] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62 [ 0.530598] ACPI: EC: GPE=0x2b [ 0.530869] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC initialization complete [ 0.531472] ACPI: \_SB_.PCI0.LPCB.EC0_: EC: Used to handle transactions and events [ 0.533621] iommu: Default domain type: Translated [ 0.533790] pci 0000:00:02.0: vgaarb: setting as boot VGA device [ 0.534199] pci 0000:00:02.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none [ 0.535625] pci 0000:00:02.0: vgaarb: bridge control possible [ 0.536118] vgaarb: loaded [ 0.536935] SCSI subsystem initialized [ 0.537688] ACPI: bus type USB registered [ 0.538159] usbcore: registered new interface driver usbfs [ 0.538657] usbcore: registered new interface driver hub [ 0.539157] usbcore: registered new device driver usb [ 0.539734] pps_core: LinuxPPS API ver. 1 registered [ 0.540163] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 0.540609] PTP clock support registered [ 0.541751] Advanced Linux Sound Architecture Driver Initialized. [ 0.543559] NetLabel: Initializing [ 0.543598] NetLabel: domain hash size = 128 [ 0.543976] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO [ 0.544534] NetLabel: unlabeled traffic allowed by default [ 0.544714] PCI: Using ACPI for IRQ routing [ 0.576067] Expanded resource Reserved due to conflict with PCI Bus 0000:00 [ 0.576686] hpet0: at MMIO 0xfed00000, IRQs 2, 8, 0, 0, 0, 0, 0, 0 [ 0.577239] hpet0: 8 comparators, 64-bit 19.200000 MHz counter [ 0.579711] clocksource: Switched to clocksource tsc-early [ 0.998177] VFS: Disk quotas dquot_6.6.0 [ 0.998577] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 0.999563] pnp: PnP ACPI init [ 1.000677] system 00:00: [io 0x0900-0x09fe] has been reserved [ 1.001470] system 00:01: [io 0x0200] has been reserved [ 1.001949] system 00:01: [io 0x0204] has been reserved [ 1.002411] system 00:01: [io 0x0800-0x087f] has been reserved [ 1.002933] system 00:01: [io 0x0880-0x08ff] has been reserved [ 1.005731] pnp: PnP ACPI: found 3 devices [ 1.021055] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns [ 1.021942] NET: Registered protocol family 2 [ 1.022519] IP idents hash table entries: 65536 (order: 7, 524288 bytes, linear) [ 1.024670] tcp_listen_portaddr_hash hash table entries: 2048 (order: 5, 163840 bytes, linear) [ 1.025658] TCP established hash table entries: 32768 (order: 6, 262144 bytes, linear) [ 1.026570] TCP bind hash table entries: 32768 (order: 9, 2359296 bytes, linear) [ 1.029177] TCP: Hash tables configured (established 32768 bind 32768) [ 1.030271] MPTCP token hash table entries: 4096 (order: 6, 360448 bytes, linear) [ 1.031254] UDP hash table entries: 2048 (order: 6, 327680 bytes, linear) [ 1.032116] UDP-Lite hash table entries: 2048 (order: 6, 327680 bytes, linear) [ 1.033185] NET: Registered protocol family 1 [ 1.034391] RPC: Registered named UNIX socket transport module. [ 1.034945] RPC: Registered udp transport module. [ 1.035344] RPC: Registered tcp transport module. [ 1.035765] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 1.036889] NET: Registered protocol family 44 [ 1.037296] pci 0000:00:14.0: PCI bridge to [bus 01] [ 1.037759] pci 0000:00:14.0: bridge window [mem 0xc2a00000-0xc2afffff] [ 1.038351] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7 window] [ 1.038887] pci_bus 0000:00: resource 5 [io 0x1000-0xffff window] [ 1.039407] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window] [ 1.040066] pci_bus 0000:00: resource 7 [mem 0x7b800000-0x7fffffff window] [ 1.040662] pci_bus 0000:00: resource 8 [mem 0x80000000-0xe0000000 window] [ 1.041250] pci_bus 0000:01: resource 1 [mem 0xc2a00000-0xc2afffff] [ 1.042045] pci 0000:00:02.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff] [ 1.045466] PCI: CLS 64 bytes, default 64 [ 1.046233] Unpacking initramfs... [ 1.264470] Freeing initrd memory: 8216K [ 1.264863] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) [ 1.265416] software IO TLB: mapped [mem 0x00000000769fd000-0x000000007a9fd000] (64MB) [ 1.266386] RAPL PMU: API unit is 2^-32 Joules, 4 fixed counters, 655360 ms ovfl timer [ 1.267083] RAPL PMU: hw unit of domain pp0-core 2^-14 Joules [ 1.267566] RAPL PMU: hw unit of domain package 2^-14 Joules [ 1.268142] RAPL PMU: hw unit of domain dram 2^-14 Joules [ 1.268619] RAPL PMU: hw unit of domain pp1-gpu 2^-14 Joules [ 1.270373] kvm: already loaded the other module [ 1.270796] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0xfc66f4fc7c, max_idle_ns: 440795224246 ns [ 1.271715] clocksource: Switched to clocksource tsc [ 1.272233] platform rtc_cmos: registered platform RTC device (no PNP device found) [ 1.275287] check: Scanning for low memory corruption every 60 seconds [ 1.278494] Initialise system trusted keyrings [ 1.279229] workingset: timestamp_bits=56 max_order=20 bucket_order=0 [ 1.298020] NFS: Registering the id_resolver key type [ 1.298504] Key type id_resolver registered [ 1.298909] Key type id_legacy registered [ 1.310913] Key type asymmetric registered [ 1.311313] Asymmetric key parser 'x509' registered [ 1.311815] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 249) [ 1.312453] io scheduler mq-deadline registered [ 1.312864] io scheduler kyber registered [ 1.313464] test_firmware: interface ready [ 1.314714] pcieport 0000:00:14.0: PME: Signaling with IRQ 120 [ 1.316491] ACPI: AC Adapter [AC] (on-line) [ 1.317224] input: Lid Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:14/PNP0C09:00/PNP0C0D:00/input/input0 [ 1.318798] ACPI: Lid Switch [LID0] [ 1.319314] input: Power Button as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0C:00/input/input1 [ 1.320201] ACPI: Power Button [PWRB] [ 1.320724] input: Sleep Button as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0E:00/input/input2 [ 1.321633] ACPI: Sleep Button [SLP] [ 1.322137] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input3 [ 1.322973] ACPI: Power Button [PWRF] [ 1.323540] ACPI: \_PR_.CP00: Found 3 idle states [ 1.324722] ACPI: \_PR_.CP01: Found 3 idle states [ 1.325575] ACPI: \_PR_.CP02: Found 3 idle states [ 1.326446] ACPI: \_PR_.CP03: Found 3 idle states [ 1.328773] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 1.331531] Non-volatile memory driver v1.3 [ 1.331922] battery: ACPI: Battery Slot [BAT0] (battery present) [ 1.332589] Linux agpgart interface v0.103 [ 1.336179] i915 0000:00:02.0: vgaarb: deactivate vga console [ 1.389882] i915 0000:00:02.0: Invalid PCI ROM header signature: expecting 0xaa55, got 0x8244 [ 1.390666] i915 0000:00:02.0: [drm] Failed to find VBIOS tables (VBT) [ 1.391386] i915 0000:00:02.0: vgaarb: changed VGA decodes: olddecodes=io+mem,decodes=io+mem:owns=io+mem [ 1.392733] i915 0000:00:02.0: Direct firmware load for i915/bxt_dmc_ver1_07.bin failed with error -2 [ 1.393575] i915 0000:00:02.0: [drm] Failed to load DMC firmware i915/bxt_dmc_ver1_07.bin. Disabling runtime power management. [ 1.394588] i915 0000:00:02.0: [drm] DMC firmware homepage: https://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git/tree/i915 [ 1.438387] [drm] Initialized i915 1.6.0 20200917 for 0000:00:02.0 on minor 0 [ 1.441821] [drm] Initialized vgem 1.0.0 20120112 for vgem on minor 1 [ 1.457288] loop: module loaded [ 1.458263] lkdtm: No crash points registered, enable through debugfs [ 1.510165] dw-apb-uart.6: ttyS0 at MMIO 0xc2b2d000 (irq = 4, base_baud = 115200) is a 16550A [ 1.513866] dw-apb-uart.7: ttyS1 at MMIO 0xc2b2f000 (irq = 5, base_baud = 115200) is a 16550A [ 1.517071] printk: console [ttyS2] disabled [ 1.517767] dw-apb-uart.8: ttyS2 at MMIO 0xde000000 (irq = 6, base_baud = 114825) is a 16550A [ 4.595343] printk: console [ttyS2] enabled [ 4.595369] fbcon: i915drmfb (fb0) is primary device [ 4.597762] pxa2xx-spi pxa2xx-spi.9: no DMA channels available, using PIO [ 4.606480] e100: Intel(R) PRO/100 Network Driver [ 4.606484] e100: Copyright(c) 1999-2006 Intel Corporation [ 4.606559] e1000: Intel(R) PRO/1000 Network Driver [ 4.606561] e1000: Copyright (c) 1999-2006 Intel Corporation. [ 4.606655] e1000e: Intel(R) PRO/1000 Network Driver [ 4.606657] e1000e: Copyright(c) 1999 - 2015 Intel Corporation. [ 4.606733] sky2: driver version 1.30 [ 4.607025] usbcore: registered new interface driver r8152 [ 4.607471] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver [ 4.607489] ehci-pci: EHCI PCI platform driver [ 4.607550] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver [ 4.607565] ohci-pci: OHCI PCI platform driver [ 4.607652] uhci_hcd: USB Universal Host Controller Interface driver [ 4.609135] xhci_hcd 0000:00:15.0: xHCI Host Controller [ 4.609946] xhci_hcd 0000:00:15.0: new USB bus registered, assigned bus number 1 [ 4.611181] xhci_hcd 0000:00:15.0: hcc params 0x200077c1 hci version 0x100 quirks 0x0000000081109810 [ 4.611231] xhci_hcd 0000:00:15.0: cache line size of 64 is not supported [ 4.612754] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.10 [ 4.612770] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 4.612773] usb usb1: Product: xHCI Host Controller [ 4.612776] usb usb1: Manufacturer: Linux 5.10.136-cip13 xhci-hcd [ 4.612779] usb usb1: SerialNumber: 0000:00:15.0 [ 4.614023] hub 1-0:1.0: USB hub found [ 4.614130] hub 1-0:1.0: 8 ports detected [ 4.616094] xhci_hcd 0000:00:15.0: xHCI Host Controller [ 4.616757] xhci_hcd 0000:00:15.0: new USB bus registered, assigned bus number 2 [ 4.616771] xhci_hcd 0000:00:15.0: Host supports USB 3.0 SuperSpeed [ 4.617060] usb usb2: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.10 [ 4.617067] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 4.617070] usb usb2: Product: xHCI Host Controller [ 4.617072] usb usb2: Manufacturer: Linux 5.10.136-cip13 xhci-hcd [ 4.617075] usb usb2: SerialNumber: 0000:00:15.0 [ 4.618031] hub 2-0:1.0: USB hub found [ 4.618109] hub 2-0:1.0: 7 ports detected [ 4.619718] usbcore: registered new interface driver usblp [ 4.619773] usbcore: registered new interface driver usb-storage [ 4.620148] udc-core: couldn't find an available UDC - added [g_ether] to list of pending drivers [ 4.620252] i8042: PNP: PS/2 Controller [PNP0303:PS2K] at 0x60,0x64 irq 1 [ 4.620254] i8042: PNP: PS/2 appears to have AUX port disabled, if this is incorrect please boot with i8042.nopnp [ 4.620845] i8042: Warning: Keylock active [ 4.621095] serio: i8042 KBD port at 0x60,0x64 irq 1 [ 4.623163] rtc_cmos rtc_cmos: RTC can wake from S4 [ 4.624015] Console: switching to colour frame buffer device 240x67 [ 4.625107] rtc_cmos rtc_cmos: registered as rtc0 [ 4.625249] rtc_cmos rtc_cmos: alarms up to one month, 114 bytes nvram, hpet irqs [ 4.626009] input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input4 [ 4.627913] i801_smbus 0000:00:1f.1: can't derive routing for PCI INT A [ 4.627918] i801_smbus 0000:00:1f.1: PCI INT A: no GSI [ 4.627953] i801_smbus 0000:00:1f.1: SPD Write Disable is set [ 4.628007] genirq: Flags mismatch irq 0. 00000080 (i801_smbus) vs. 00015a00 (timer) [ 4.628026] i801_smbus 0000:00:1f.1: Failed to allocate irq 0: -16 [ 4.628029] i801_smbus 0000:00:1f.1: SMBus using polling [ 4.628938] device-mapper: ioctl: 4.43.0-ioctl (2020-10-01) initialised: dm-devel@redhat.com [ 4.628986] intel_pstate: Intel P-state driver initializing [ 4.631703] sdhci: Secure Digital Host Controller Interface driver [ 4.631709] sdhci: Copyright(c) Pierre Ossman [ 4.631920] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) [ 4.641231] sdhci-pci 0000:00:1c.0: SDHCI controller found [8086:5acc] (rev b) [ 4.647545] mmc0: SDHCI controller on PCI [0000:00:1c.0] using ADMA 64-bit [ 4.648584] hid: raw HID events driver (C) Jiri Kosina [ 4.651386] usbcore: registered new interface driver usbhid [ 4.651393] usbhid: USB HID core driver [ 4.653674] input: Tablet Mode Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:14/PNP0C09:00/GOOG0006:00/input/input5 [ 4.660989] cros_ec_lpcs GOOG0004:00: Chrome EC device registered [ 4.665438] i915 0000:00:02.0: [drm] fb0: i915drmfb frame buffer device [ 4.676560] snd_hda_intel 0000:00:0e.0: DSP detected with PCI class/subclass/prog-if info 0x040100 [ 5.134239] ipip: IPv4 and MPLS over IPv4 tunneling driver [ 5.142897] gre: GRE over IPv4 demultiplexor driver [ 5.148502] ip_gre: GRE over IPv4 tunneling driver [ 5.158132] IPv4 over IPsec tunneling driver [ 5.164577] Initializing XFRM netlink socket [ 5.172440] NET: Registered protocol family 10 [ 5.182663] Segment Routing with IPv6 [ 5.190455] ip6_gre: GRE over IPv6 tunneling driver [ 5.198401] NET: Registered protocol family 17 [ 5.204272] 8021q: 802.1Q VLAN Support v1.8 [ 5.209567] Key type dns_resolver registered [ 5.217696] microcode: sig=0x506c9, pf=0x1, revision=0x2c [ 5.223956] microcode: Microcode Update Driver: v2.2. [ 5.223978] IPI shorthand broadcast: enabled [ 5.233561] mmc0: new HS400 MMC card at address 0001 [ 5.234758] sched_clock: Marking stable (5153134041, 81470598)->(5240141635, -5536996) [ 5.243470] mmcblk0: mmc0:0001 TA2964 58.3 GiB [ 5.248727] usb 1-5: new high-speed USB device number 2 using xhci_hcd [ 5.262285] mmcblk0boot0: mmc0:0001 TA2964 partition 1 4.00 MiB [ 5.262669] registered taskstats version 1 [ 5.269718] mmcblk0boot1: mmc0:0001 TA2964 partition 2 4.00 MiB [ 5.273710] Loading compiled-in X.509 certificates [ 5.281244] mmcblk0rpmb: mmc0:0001 TA2964 partition 3 4.00 MiB, chardev (246:0) [ 5.303005] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) [ 5.322950] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) [ 5.328368] GPT:partition_entry_array_crc32 values don't match: 0x517f99f8 != 0x839741b6 [ 5.340320] GPT:Primary header thinks Alt. header is not at the end of the disk. [ 5.340490] PM: Magic number: 2:903:636 [ 5.348655] GPT:119999999 != 122290175 [ 5.353311] power_supply AC: hash matches [ 5.357395] GPT:Alternate GPT header not at the end of the disk. [ 5.357404] GPT:119999999 != 122290175 [ 5.357416] GPT: Use GNU Parted to correct GPT errors. [ 5.357469] mmcblk0: p1 p2 p3 p4 p5 p6 p7 p8 p9 p10 p11 p12 [ 5.362100] acpi INT3403:03: hash matches [ 5.391164] printk: console [netcon0] enabled [ 5.396118] netconsole: network logging started [ 5.417197] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) [ 5.418100] IP-Config: Failed to open gretap0 [ 5.428765] usb 1-5: New USB device found, idVendor=0408, idProduct=3090, bcdDevice= 0.04 [ 5.430446] IP-Config: Failed to open erspan0 [ 5.439662] usb 1-5: New USB device strings: Mfr=3, Product=1, SerialNumber=2 [ 5.439675] usb 1-5: Product: USB2.0 HD UVC WebCam [ 5.444647] IP-Config: No network devices available [ 5.452623] usb 1-5: Manufacturer: Quanta [ 5.458028] cfg80211: Loading compiled-in X.509 certificates for regulatory database [ 5.463459] usb 1-5: SerialNumber: 0x0001 [ 5.483539] modprobe (101) used greatest stack depth: 13520 bytes left [ 5.489904] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) [ 5.500985] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7' [ 5.509537] platform regulatory.0: Direct firmware load for regulatory.db failed with error -2 [ 5.509673] ALSA device list: [ 5.519384] cfg80211: failed to load regulatory.db [ 5.522832] No soundcards found. [ 5.533916] dw-apb-uart dw-apb-uart.8: forbid DMA for kernel console [ 5.534835] usb 2-5: new SuperSpeed Gen 1 USB device number 2 using xhci_hcd [ 5.563769] usb 2-5: New USB device found, idVendor=0bda, idProduct=8153, bcdDevice=31.00 [ 5.572992] usb 2-5: New USB device strings: Mfr=1, Product=2, SerialNumber=6 [ 5.581022] usb 2-5: Product: USB 10/100/1000 LAN [ 5.586329] usb 2-5: Manufacturer: Realtek [ 5.589242] Freeing unused kernel image (initmem) memory: 2040K [ 5.590951] usb 2-5: SerialNumber: 001000001 [ 5.599019] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) [ 5.610849] Write protecting the kernel read-only data: 26624k [ 5.622957] Freeing unused kernel image (text/rodata gap) memory: 2028K [ 5.631495] Freeing unused kernel image (rodata/data gap) memory: 112K [ 5.639136] Run /init as init process Loading, please wait... [ 5.679759] usb 1-6: new full-speed USB device number 3 using xhci_hcd Starting version 247.3-7 [ 5.815922] usb 1-6: New USB device found, idVendor=8087, idProduct=0a2a, bcdDevice= 0.03 [ 5.825197] usb 1-6: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 5.841382] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) [ 5.932359] usb 2-5: reset SuperSpeed Gen 1 USB device number 2 using xhci_hcd [ 5.964038] r8152 2-5:1.0: Direct firmware load for rtl_nic/rtl8153b-2.fw failed with error -2 [ 5.974018] r8152 2-5:1.0: unable to load firmware patch rtl_nic/rtl8153b-2.fw (-2) [ 6.022098] r8152 2-5:1.0 eth0: v1.11.11 [ 6.028095] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) [ 6.080797] r8152 2-5:1.0 enx00e04c7886ca: renamed from eth0 [ 6.091993] snd_hda_intel 0000:00:0e.0: bound 0000:00:02.0 (ops i915_audio_component_bind_ops) [ 6.146169] snd_hda_intel 0000:00:0e.0: Cannot probe codecs, giving up [ 7.017667] cros-usbpd-notify-acpi GOOG0003:00: Couldn't get Chrome EC device pointer. [ 7.026950] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) [ 7.179024] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) [ 7.392211] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) [ 7.412847] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) Begin: Loading essential drivers ... done. Begin: Running /scripts/init-premount ... [ 7.430330] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) done. Begin: Mounting root file system ... Begin: Running /scripts/nfs-top ... done. Begin: Running /scripts/nfs-premount ... done. IP-Config: enx00e04c7886ca hardware address 00:e0:4c:78:86:ca mtu 1500 DHCP IP-Config: gretap0 hardware address 00:00:00:00:00:00 mtu 1462 DHCP SIOCSIFFLAGS: Cannot assign requested address IP-Config: erspan0 hardware address 00:00:00:00:00:00 mtu 1450 DHCP SIOCSIFFLAGS: Cannot assign requested address [ 7.630426] IPv6: ADDRCONF(NETDEV_CHANGE): enx00e04c7886ca: link becomes ready [ 7.640194] r8152 2-5:1.0 enx00e04c7886ca: carrier on IP-Config: no response after 2 secs - giving up IP-Config: enx00e04c7886ca hardware address 00:e0:4c:78:86:ca mtu 1500 DHCP IP-Config: gretap0 hardware address 00:00:00:00:00:00 mtu 1462 DHCP SIOCSIFFLAGS: Cannot assign requested address IP-Config: erspan0 hardware address 00:00:00:00:00:00 mtu 1450 DHCP SIOCSIFFLAGS: Cannot assign requested address IP-Config: enx00e04c7886ca 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 : [ 10.643823] nfsmount (164) 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 [ 12.288729] 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) [ 12.328461] systemd[1]: Detected architecture x86-64. Welcome to [1mDebian GNU/Linux 11 (bullseye)[0m! [ 12.368297] systemd[1]: Set hostname to . [ 13.613418] systemd[1]: Queued start job for default target Graphical Interface. [ 13.631451] systemd[1]: Created slice system-getty.slice. [[0;32m OK [0m] Created slice [0;1;39msystem-getty.slice[0m. [ 13.650322] systemd[1]: Created slice system-modprobe.slice. [[0;32m OK [0m] Created slice [0;1;39msystem-modprobe.slice[0m. [ 13.669463] systemd[1]: Created slice system-serial\x2dgetty.slice. [[0;32m OK [0m] Created slice [0;1;39msystem-serial\x2dgetty.slice[0m. [ 13.689204] systemd[1]: Created slice User and Session Slice. [[0;32m OK [0m] Created slice [0;1;39mUser and Session Slice[0m. [ 13.707772] 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. [ 13.728480] 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. [ 13.750929] 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. [ 13.774492] systemd[1]: Reached target Local Encrypted Volumes. [[0;32m OK [0m] Reached target [0;1;39mLocal Encrypted Volumes[0m. [ 13.791421] systemd[1]: Reached target Paths. [[0;32m OK [0m] Reached target [0;1;39mPaths[0m. [ 13.803363] systemd[1]: Reached target Remote File Systems. [[0;32m OK [0m] Reached target [0;1;39mRemote File Systems[0m. [ 13.820325] systemd[1]: Reached target Slices. [[0;32m OK [0m] Reached target [0;1;39mSlices[0m. [ 13.832356] systemd[1]: Reached target Swap. [[0;32m OK [0m] Reached target [0;1;39mSwap[0m. [ 13.845685] systemd[1]: Listening on initctl Compatibility Named Pipe. [[0;32m OK [0m] Listening on [0;1;39minitctl Compatibility Named Pipe[0m. [ 13.867805] systemd[1]: Listening on Journal Audit Socket. [[0;32m OK [0m] Listening on [0;1;39mJournal Audit Socket[0m. [ 13.887669] systemd[1]: Listening on Journal Socket (/dev/log). [[0;32m OK [0m] Listening on [0;1;39mJournal Socket (/dev/log)[0m. [ 13.906447] systemd[1]: Listening on Journal Socket. [[0;32m OK [0m] Listening on [0;1;39mJournal Socket[0m. [ 13.922371] systemd[1]: Listening on Network Service Netlink Socket. [[0;32m OK [0m] Listening on [0;1;39mNetwork Service Netlink Socket[0m. [ 13.946238] systemd[1]: Listening on udev Control Socket. [[0;32m OK [0m] Listening on [0;1;39mudev Control Socket[0m. [ 13.964074] systemd[1]: Listening on udev Kernel Socket. [[0;32m OK [0m] Listening on [0;1;39mudev Kernel Socket[0m. [ 13.988817] systemd[1]: Mounting Huge Pages File System... Mounting [0;1;39mHuge Pages File System[0m... [ 14.009670] systemd[1]: Mounting POSIX Message Queue File System... Mounting [0;1;39mPOSIX Message Queue File System[0m... [ 14.035329] systemd[1]: Mounting Kernel Debug File System... Mounting [0;1;39mKernel Debug File System[0m... [ 14.057186] systemd[1]: Mounting Kernel Trace File System... Mounting [0;1;39mKernel Trace File System[0m... [ 14.081180] 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... [ 14.114313] systemd[1]: Starting Load Kernel Module configfs... Starting [0;1;39mLoad Kernel Module configfs[0m... [ 14.138402] systemd[1]: Starting Load Kernel Module drm... Starting [0;1;39mLoad Kernel Module drm[0m... [ 14.155213] mount (192) used greatest stack depth: 12528 bytes left [ 14.170469] systemd[1]: Starting Load Kernel Module fuse... Starting [0;1;39mLoad Kernel Module fuse[0m... [ 14.193589] systemd[1]: Condition check resulted in Set Up Additional Binary Formats being skipped. [ 14.222358] systemd[1]: Starting Journal Service... Starting [0;1;39mJournal Service[0m... [ 14.259076] fuse: init (API version 7.32) [ 14.264251] systemd[1]: Starting Load Kernel Modules... Starting [0;1;39mLoad Kernel Modules[0m... [ 14.284174] systemd[1]: Starting Remount Root and Kernel File Systems... Starting [0;1;39mRemount Root and Kernel File Systems[0m... [ 14.314640] systemd[1]: Starting Coldplug All udev Devices... Starting [0;1;39mColdplug All udev Devices[0m... [ 14.354730] systemd[1]: Mounted Huge Pages File System. [[0;32m OK [0m] Mounted [0;1;39mHuge Pages File System[0m. [ 14.371585] systemd[1]: Mounted POSIX Message Queue File System. [[0;32m OK [0m] Mounted [0;1;39mPOSIX Message Queue File System[0m. [ 14.391009] systemd[1]: Mounted Kernel Debug File System. [[0;32m OK [0m] Mounted [0;1;39mKernel Debug File System[0m. [ 14.408431] systemd[1]: Mounted Kernel Trace File System. [[0;32m OK [0m] Mounted [0;1;39mKernel Trace File System[0m. [ 14.430547] 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. [ 14.459397] systemd[1]: modprobe@configfs.service: Succeeded. [ 14.468936] systemd[1]: Finished Load Kernel Module configfs. [[0;32m OK [0m] Finished [0;1;39mLoad Kernel Module configfs[0m. [ 14.492225] systemd[1]: modprobe@drm.service: Succeeded. [ 14.501709] systemd[1]: Finished Load Kernel Module drm. [[0;32m OK [0m] Finished [0;1;39mLoad Kernel Module drm[0m. [ 14.522469] systemd[1]: modprobe@fuse.service: Succeeded. [ 14.532139] systemd[1]: Finished Load Kernel Module fuse. [[0;32m OK [0m] Finished [0;1;39mLoad Kernel Module fuse[0m. [ 14.552245] systemd[1]: Finished Load Kernel Modules. [[0;32m OK [0m] Finished [0;1;39mLoad Kernel Modules[0m. [ 14.574349] systemd[1]: Finished Remount Root and Kernel File Systems. [[0;32m OK [0m] Finished [0;1;39mRemount Root and Kernel File Systems[0m. [ 14.601455] systemd[1]: Mounting FUSE Control File System... Mounting [0;1;39mFUSE Control File System[0m... [ 14.624398] systemd[1]: Mounting Kernel Configuration File System... Mounting [0;1;39mKernel Configuration File System[0m... [ 14.650170] systemd[1]: Condition check resulted in Rebuild Hardware Database being skipped. [ 14.660762] systemd[1]: Condition check resulted in Platform Persistent Storage Archival being skipped. [ 14.678441] systemd[1]: Starting Load/Save Random Seed... Starting [0;1;39mLoad/Save Random Seed[0m... [ 14.700985] systemd[1]: Starting Apply Kernel Variables... Starting [0;1;39mApply Kernel Variables[0m... [ 14.728037] systemd[1]: Starting Create System Users... Starting [0;1;39mCreate System Users[0m... [ 14.750710] systemd[1]: Mounted FUSE Control File System. [[0;32m OK [0m] Mounted [0;1;39mFUSE Control File System[0m. [ 14.768405] systemd[1]: Mounted Kernel Configuration File System. [[0;32m OK [0m] Mounted [0;1;39mKernel Configuration File System[0m. [ 14.799938] systemd[1]: Finished Load/Save Random Seed. [[0;32m OK [0m] Finished [0;1;39mLoad/Save Random Seed[0m. [ 14.828506] systemd[1]: Condition check resulted in First Boot Complete being skipped. [ 14.853016] systemd[1]: Finished Apply Kernel Variables. [[0;32m OK [0m] Finished [0;1;39mApply Kernel Variables[0m. [ 14.991537] systemd[1]: Finished Create System Users. [[0;32m OK [0m] Finished [0;1;39mCreate System Users[0m. [ 15.015198] systemd[1]: Starting Create Static Device Nodes in /dev... Starting [0;1;39mCreate Static Device Nodes in /dev[0m... [ 15.071951] systemd[1]: Started Journal Service. [[0;32m OK [0m] Started [0;1;39mJournal Service[0m. Starting [0;1;39mFlush Journal to Persistent Storage[0m... [[0;32m OK [0m] Finished [0;1;39mCreate Static Device Nodes[ 15.187121] systemd-journald[200]: Received client request to flush runtime journal. 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] Finished [0;1;39mCreate Volatile Files and Directories[0m. [[0;32m OK [0m] Started [0;1;39mNetwork Service[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 5.10.136-cip13 #1 SMP Thu Aug 11 14:01:46 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/7015267/extract-nfsrootfs-4m81iw1h' export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/7015267/extract-nfsrootfs-4m81iw1h' / # 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-7015267/environment . /lava-7015267/environment / # /lava-7015267/bin/lava-test-runner /lava-7015267/0 /lava-7015267/bin/lava-test-runner /lava-7015267/0 + export TESTRUN_ID=0_timesync-off + TESTRUN_ID=0_timesync-off + cd /lava-7015267/0/tests/0_timesync-off ++ cat uuid + UUID=7015267_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-7015267/0/tests/1_kselftest-lkdtm ++ cat uuid + UUID=7015267_1.5.2.3.5 + set +x + cd ./automated/linux/kselftest/ + ./kselftest.sh -c lkdtm -T '' -t kselftest_armhf.tar.gz -s false -u http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.131-cip13-493-ge129308279043/x86_64/x86_64_defconfig+x86-chromebook+kselftest/gcc-10/kselftest.tar.xz -L '' -S skipfile-lkft.yaml -b asus-C523NA-A20057-coral -g cip-gitlab -e '' -p /opt/kselftests/mainline/ INFO: Generating a skipfile based on /lava-7015267/0/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. --2022-08-11 14:38:30-- http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.131-cip13-493-ge129308279043/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: 3527520 (3.4M) [application/octet-stream] Saving to: 'kselftest.tar.xz' kselftest.tar.xz 0%[ ] 0 --.-KB/s kselftest.tar.xz 1%[ ] 47.81K 165KB/s kselftest.tar.xz 5%[> ] 183.56K 374KB/s kselftest.tar.xz 11%[=> ] 404.15K 585KB/s kselftest.tar.xz 25%[====> ] 867.96K 974KB/s kselftest.tar.xz 57%[==========> ] 1.93M 1.77MB/s kselftest.tar.xz 100%[===================>] 3.36M 2.70MB/s in 1.2s 2022-08-11 14:38:32 (2.70 MB/s) - 'kselftest.tar.xz' saved [3527520/3527520] skiplist: ======================================== breakpoints:breakpoint_test breakpoints:step_after_suspend_test ftrace:ftracetest net:rtnetlink.sh net:tls netfilter:bridge_brouter.sh netfilter:nft_flowtable.sh netfilter:nft_trans_stress.sh pidfd:pidfd_wait ======================================== [ 63.352387] 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 [ 63.998461] lkdtm: Performing direct entry BUG [ 64.003792] ------------[ cut here ]------------ [ 64.009899] kernel BUG at drivers/misc/lkdtm/bugs.c:76! [ 64.015830] invalid opcode: 0000 [#1] SMP PTI [ 64.020699] CPU: 2 PID: 727 Comm: cat Tainted: G W 5.10.136-cip13 #1 [ 64.029248] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 64.035868] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 64.040251] Code: 89 ff e8 de bc a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 80 03 74 02 [ 64.061213] RSP: 0018:ffff9ebf01377e60 EFLAGS: 00010286 [ 64.067049] RAX: ffffffff982de190 RBX: 0000000000000001 RCX: 0000000000000000 [ 64.075012] RDX: 0000000000000000 RSI: ffff8f1b3bd1bf70 RDI: ffffffff98ed9d30 [ 64.082976] RBP: ffffffff99323c60 R08: 0000000000000001 R09: 0000000000000001 [ 64.090930] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 64.098891] R13: ffff9ebf01377f10 R14: ffff9ebf01377f10 R15: ffff8f1ac2c02000 [ 64.106861] FS: 00007f472583e580(0000) GS:ffff8f1b3bd00000(0000) knlGS:0000000000000000 [ 64.115886] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 64.122296] CR2: 00007f4725657000 CR3: 000000010319a000 CR4: 00000000003506e0 [ 64.130264] Call Trace: [ 64.133003] direct_entry.cold+0x2c/0x38 [ 64.137394] full_proxy_write+0x56/0x80 [ 64.141684] vfs_write+0xea/0x3a0 [ 64.145393] ksys_write+0x68/0xf0 [ 64.149102] do_syscall_64+0x33/0x40 [ 64.153100] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 64.158748] RIP: 0033:0x7f4725766f33 [ 64.162740] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 64.183700] RSP: 002b:00007ffc65949fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 64.192157] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f4725766f33 [ 64.200122] RDX: 0000000000000004 RSI: 00007f4725657000 RDI: 0000000000000001 [ 64.208093] RBP: 00007f4725657000 R08: 00007f4725656010 R09: 0000000000000000 [ 64.216049] R10: 00007f47258611c0 R11: 0000000000000246 R12: 0000000000000001 [ 64.224010] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 64.231977] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 64.247998] ---[ end trace 8c1e8df02166ac78 ]--- [ 64.253190] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 64.257597] Code: 89 ff e8 de bc a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 80 03 74 02 [ 64.278569] RSP: 0018:ffff9ebf01377e60 EFLAGS: 00010286 [ 64.284432] RAX: ffffffff982de190 RBX: 0000000000000001 RCX: 0000000000000000 [ 64.292425] RDX: 0000000000000000 RSI: ffff8f1b3bd1bf70 RDI: ffffffff98ed9d30 [ 64.300422] RBP: ffffffff99323c60 R08: 0000000000000001 R09: 0000000000000001 [ 64.308395] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 64.316396] R13: ffff9ebf01377f10 R14: ffff9ebf01377f10 R15: ffff8f1ac2c02000 [ 64.324398] FS: 00007f472583e580(0000) GS:ffff8f1b3bd00000(0000) knlGS:0000000000000000 [ 64.333458] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 64.339900] CR2: 00007f4725657000 CR3: 000000010319a000 CR4: 00000000003506e0 # Segmentation fault # [ 63.998461] lkdtm: Performing direct entry BUG # [ 64.003792] ------------[ cut here ]------------ # [ 64.009899] kernel BUG at drivers/misc/lkdtm/bugs.c:76! # [ 64.015830] invalid opcode: 0000 [#1] SMP PTI # [ 64.020699] CPU: 2 PID: 727 Comm: cat Tainted: G W 5.10.136-cip13 #1 # [ 64.029248] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 64.035868] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 64.040251] Code: 89 ff e8 de bc a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 80 03 74 02 # [ 64.061213] RSP: 0018:ffff9ebf01377e60 EFLAGS: 00010286 # [ 64.067049] RAX: ffffffff982de190 RBX: 0000000000000001 RCX: 0000000000000000 # [ 64.075012] RDX: 0000000000000000 RSI: ffff8f1b3bd1bf70 RDI: ffffffff98ed9d30 # [ 64.082976] RBP: ffffffff99323c60 R08: 0000000000000001 R09: 0000000000000001 # [ 64.090930] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 64.098891] R13: ffff9ebf01377f10 R14: ffff9ebf01377f10 R15: ffff8f1ac2c02000 # [ 64.106861] FS: 00007f472583e580(0000) GS:ffff8f1b3bd00000(0000) knlGS:0000000000000000 # [ 64.115886] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 64.122296] CR2: 00007f4725657000 CR3: 000000010319a000 CR4: 00000000003506e0 # [ 64.130264] Call Trace: # [ 64.133003] direct_entry.cold+0x2c/0x38 # [ 64.137394] full_proxy_write+0x56/0x80 # [ 64.141684] vfs_write+0xea/0x3a0 # [ 64.145393] ksys_write+0x68/0xf0 # [ 64.149102] do_syscall_64+0x33/0x40 # [ 64.153100] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 64.158748] RIP: 0033:0x7f4725766f33 # [ 64.162740] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 64.183700] RSP: 002b:00007ffc65949fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 64.192157] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f4725766f33 # [ 64.200122] RDX: 0000000000000004 RSI: 00007f4725657000 RDI: 0000000000000001 # [ 64.208093] RBP: 00007f4725657000 R08: 00007f4725656010 R09: 0[ 64.600650] lkdtm: Performing direct entry WARNING 000000000000000 # [ 64.216049] R10: 00007f47258611c0 R11: 000[ 64.611815] ------------[ cut here ]------------ [ 64.623182] WARNING: CPU: 1 PID: 763 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x13/0x20 0000000000246 R12: 0000000000000001 # [ 64.224010] R13: 00000[ 64.632616] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 64.654735] CPU: 1 PID: 763 Comm: cat Tainted: G D W 5.10.136-cip13 #1 [ 64.663324] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 64.669953] RIP: 0010:lkdtm_WARNING+0x13/0x20 [ 64.674900] Code: c0 f4 ff ff ff eb c9 0f 1f 44 00 00 0f 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 80 03 74 02 01 75 05 c3 cc cc cc cc <0f> 0b c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 61 03 [ 64.695928] RSP: 0018:ffff9ebf01417e60 EFLAGS: 00010202 [ 64.701795] RAX: ffffffff982de1a0 RBX: 0000000000000002 RCX: 0000000000000000 [ 64.709789] RDX: 0000000000000000 RSI: ffff8f1b3bc9bf70 RDI: ffffffff98ed9d40 [ 64.717779] RBP: ffffffff992c875f R08: 0000000000000000 R09: 0000000000000000 [ 64.725777] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000008 [ 64.733768] R13: ffff9ebf01417f10 R14: ffff9ebf01417f10 R15: ffff8f1ac4d87000 [ 64.741756] FS: 00007f0673061580(0000) GS:ffff8f1b3bc80000(0000) knlGS:0000000000000000 [ 64.750810] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 64.757248] CR2: 00007f0672e7a000 CR3: 0000000102c4c000 CR4: 00000000003506e0 [ 64.765233] Call Trace: [ 64.767995] direct_entry.cold+0x2c/0x38 [ 64.772409] full_proxy_write+0x56/0x80 [ 64.776711] vfs_write+0xea/0x3a0 00000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 6[ 64.780433] ksys_write+0x68/0xf0 [ 64.790353] do_syscall_64+0x33/0x40 [ 64.794377] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 64.800048] RIP: 0033:0x7f0672f89f33 [ 64.804053] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 64.825052] RSP: 002b:00007ffe9c2f2a38 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 64.833536] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007f0672f89f33 [ 64.841531] RDX: 0000000000000008 RSI: 00007f0672e7a000 RDI: 0000000000000001 [ 64.849523] RBP: 00007f0672e7a000 R08: 00007f0672e79010 R09: 0000000000000000 [ 64.857517] R10: 00007f06730841c0 R11: 0000000000000246 R12: 0000000000000001 [ 64.865505] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 64.873504] irq event stamp: 0 [ 64.876936] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 64.883964] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 64.893128] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 4.231977] Modules linked in: fuse ip_tables cros_ec_lightbar cro[ 64.902288] softirqs last disabled at (0): [<0000000000000000>] 0x0 s_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal [ 64.915498] ---[ end trace 8c1e8df02166ac79 ]--- cros_ec_dev cros_usbpd_notify # [ 64.247998] ---[ end trace 8c1e8df02166ac78 ]--- # [ 64.253190] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 64.257597] Code: 89 ff e8 de bc a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 80 03 74 02 # [ 64.278569] RSP: 0018:ffff9ebf01377e60 EFLAGS: 00010286 # [ 64.284432] RAX: ffffffff982de190 RBX: 0000000000000001 RCX: 0000000000000000 # [ 64.292425] RDX: 0000000000000000 RSI: ffff8f1b3bd1bf70 RDI: ffffffff98ed9d30 # [ 64.300422] RBP: ffffffff99323c60 R08: 0000000000000001 R09: 0000000000000001 # [ 64.308395] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 64.316396] R13: ffff9ebf01377f10 R14: ffff9ebf01377f10 R15: ffff8f1ac2c02000 # [ 64.324398] FS: 00007f472583e580(0000) GS:ffff8f1b3bd00000(0000) knlGS:0000000000000000 # [ 64.333458] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 64.339900] CR2: 00007f4725657000 CR3: 000000010319a000 CR4: 00000000003506e0 # BUG: saw 'kernel BUG at': ok ok 2 selftests: lkdtm: BUG.sh # selftests: lkdtm: WARNING.sh # [ 64.600650] lkdtm: Performing direct entry WARNING # [ 64.611815] ------------[ cut here ]------------ # [ 64.623182] WARNING: CPU: 1 PID: 763 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x13/0x20 # [ 64.632616] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 64.654735] CPU: 1 PID: 763 Comm: cat Tainted: G D W 5.10.136-cip13 #1 # [ 64.663324] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 64.669953] RIP: 0010:lkdtm_WARNING+0x13/0x20 # [ 64.674900] Code: c0 f4 ff ff ff eb c9 0f 1f 44 00 00 0f 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 80 03 74 02 01 75 05 c3 cc cc cc cc <0f> 0b c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 61 03 # [ 64.695928] RSP: 0018:ffff9ebf01417e60 EFLAGS: 00010202 # [ 64.701795] RAX: ffffffff982de1a0 RBX: 0000000000000002 RCX: 0000000000000000 # [ 64.709789] RDX: 0000000000000000 RSI: ffff8f1b3bc9bf70 RDI: ffffffff98ed9d40 # [ 64.717779] RBP: ffffffff992c875f R08: 0000000000000000 R09: 0000000000000000 # [ 64.725777] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000008 # [ 64.733768] R13: ffff9ebf01417f10 R14: ffff9ebf01417f10 R15: ffff8f1ac4d87000 # [ 64.741756] FS: 00007f0673061580(0000) GS:ffff8f1b3bc80000(0000) knlGS:0000000000000000 #[ 65.171583] lkdtm: Performing direct entry WARNING_MESSAGE [ 65.181501] ------------[ cut here ]------------ [ 65.186676] Warning message trigger count: 2 [ 64.750810] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003[ 65.191525] WARNING: CPU: 1 PID: 798 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30 [ 65.207889] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 65.223859] CPU: 1 PID: 798 Comm: cat Tainted: G D W 5.10.136-cip13 #1 [ 65.232421] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 65.239121] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30 3 # [ 64.757248] CR2: 00007f0672e7a000 CR3: 0000000102c4c000 [ 65.244825] Code: cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 61 03 74 02 48 c7 c7 c0 8c 2c 99 8d 70 01 89 35 51 03 74 02 e8 28 16 66 00 <0f> 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 c7 [ 65.272006] RSP: 0018:ffff9ebf0148fe60 EFLAGS: 00010286 [ 65.277856] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 [ 65.285842] RDX: ffff8f1b3bcac660 RSI: ffff8f1b3bc9bf70 RDI: ffff8f1b3bc9bf70 [ 65.293826] RBP: ffffffff992c8767 R08: 0000000000000000 R09: 0000000000000000 [ 65.301815] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010 [ 65.309807] R13: ffff9ebf0148ff10 R14: ffff9ebf0148ff10 R15: ffff8f1ac29c1000 [ 65.317795] FS: 00007f3fef2e3580(0000) GS:ffff8f1b3bc80000(0000) knlGS:0000000000000000 [ 65.326836] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 65.333265] CR2: 00007f3fef0fc000 CR3: 0000000105b7a000 CR4: 00000000003506e0 [ 65.341240] Call Trace: [ 65.343997] direct_entry.cold+0x2c/0x38 [ 65.348398] full_proxy_write+0x56/0x80 [ 65.352706] vfs_write+0xea/0x3a0 [ 65.356435] ksys_write+0x68/0xf0 [ 65.360168] do_syscall_64+0x33/0x40 [ 65.364187] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 65.369857] RIP: 0033:0x7f3fef20bf33 [ 65.373870] 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 [ 65.394863] RSP: 002b:00007ffce3db04b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 65.403339] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007f3fef20bf33 [ 65.411326] RDX: 0000000000000010 RSI: 00007f3fef0fc000 RDI: 0000000000000001 [ 65.419312] RBP: 00007f3fef0fc000 R08: 00007f3fef0fb010 R09: 0000000000000000 [ 65.427296] R10: 00007f3fef3061c0 R11: 0000000000000246 R12: 0000000000000001 [ 65.435283] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 65.443280] irq event stamp: 0 [ 65.446706] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 65.453713] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 CR4: 00000000003506e0 # [ 64.765233] Call Trace: # [ 64.76[ 65.462841] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 65.478166] softirqs last disabled at (0): [<0000000000000000>] 0x0 7995] direct_entry.cold+0x2c/0x38 # [ 64.772409] full_proxy[ 65.485173] ---[ end trace 8c1e8df02166ac7a ]--- _write+0x56/0x80 # [ 64.776711] vfs_write+0xea/0x3a0 # [ 64.780433] ksys_write+0x68/0xf0 # [ 64.790353] do_syscall_64+0x33/0x40 # [ 64.794377] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 64.800048] RIP: 0033:0x7f0672f89f33 # [ 64.804053] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 64.825052] RSP: 002b:00007ffe9c2f2a38 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 64.833536] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007f0672f89f33 # [ 64.841531] RDX: 0000000000000008 RSI: 00007f0672e7a000 RDI: 0000000000000001 # [ 64.849523] RBP: 00007f0672e7a000 R08: 00007f0672e79010 R09: 0000000000000000 # [ 64.857517] R10: 00007f06730841c0 R11: 0000000000000246 R12: 0000000000000001 # [ 64.865505] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 64.873504] irq event stamp: 0 # [ 64.876936] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 64.883964] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 64.893128] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 64.902288] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 64.915498] ---[ end trace 8c1e8df02166ac79 ]--- # WARNING: saw 'WARNING:': ok ok 3 selftests: lkdtm: WARNING.sh # selftests: lkdtm: WARNING_MESSAGE.sh # [ 65.171583] lkdtm: Performing direct entry WARNING_MESSAGE # [ 65.181501] ------------[ cut here ]------------ # [ 65.186676] Warning message trigger count: 2 # [ 65.191525] WARNING: CPU: 1 PID: 798 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 65.207889] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 65.223859] CPU: 1 PID: 798 Comm: cat Tainted: G D W 5.10.136-cip13 #1 # [ 65.232421] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 65.239121] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 65.244825] Code: cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 61 03 74 02 48 c7 c7 c0 8c 2c 99 8d 70 01 89 35 51 03 74 02 e8 28 16 66 00 <0f> 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00[ 65.721434] lkdtm: Performing direct entry EXCEPTION 00 0f 1f 44 00 00 c7 # [ 65.272006] RSP: 0018:ffff9ebf0148fe[ 65.731872] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 65.745832] #PF: supervisor write access in kernel mode [ 65.751664] #PF: error_code(0x0002) - not-present page 60 EFLAGS: 00010286 # [ 65.277856] RAX: 0000000000000000 RBX:[ 65.757395] PGD 0 P4D 0 [ 65.766433] Oops: 0002 [#2] SMP PTI [ 65.770327] CPU: 0 PID: 830 Comm: cat Tainted: G D W 5.10.136-cip13 #1 [ 65.778872] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 65.785486] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20 [ 65.790448] Code: 48 c7 c7 c0 8c 2c 99 8d 70 01 89 35 51 03 74 02 e8 28 16 66 00 0f 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 04 25 00 00 00 00 00 00 00 00 c3 cc cc cc cc 66 66 2e 0f 1f 84 [ 65.811411] RSP: 0018:ffff9ebf014d7e60 EFLAGS: 00010286 [ 65.817242] RAX: ffffffff982de1f0 RBX: 0000000000000004 RCX: 0000000000000000 [ 65.825212] RDX: 0000000000000000 RSI: ffff8f1b3bc1bf70 RDI: ffffffff98ed9d60 [ 65.833180] RBP: ffffffff991fdcff R08: 0000000000000000 R09: 0000000000000000 [ 65.841153] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a [ 65.849122] R13: ffff9ebf014d7f10 R14: ffff9ebf014d7f10 R15: ffff8f1ac292e000 [ 65.857095] FS: 00007f32883a2580(0000) GS:ffff8f1b3bc00000(0000) knlGS:0000000000000000 [ 65.866131] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 65.872549] CR2: 0000000000000000 CR3: 0000000102c22000 CR4: 00000000003506f0 [ 65.880515] Call Trace: [ 65.883252] direct_entry.cold+0x2c/0x38 [ 65.887631] full_proxy_write+0x56/0x80 [ 65.891919] vfs_write+0xea/0x3a0 [ 65.895628] ksys_write+0x68/0xf0 [ 65.899333] do_syscall_64+0x33/0x40 [ 65.903322] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 65.908961] RIP: 0033:0x7f32882caf33 [ 65.912958] 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 [ 65.933936] RSP: 002b:00007ffdd0db4c38 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 65.942400] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f32882caf33 [ 65.950374] RDX: 000000000000000a RSI: 00007f32881bb000 RDI: 0000000000000001 [ 65.958344] RBP: 00007f32881bb000 R08: 00007f32881ba010 R09: 0000000000000000 [ 65.966312] R10: 00007f32883c51c0 R11: 0000000000000246 R12: 0000000000000001 [ 65.974275] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 0000000000000003 RCX: 0000000000000000 # [ 65.285842] RDX: f[ 65.982251] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 66.004428] CR2: 0000000000000000 [ 66.008135] ---[ end trace 8c1e8df02166ac7b ]--- [ 66.013298] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 66.017672] Code: 89 ff e8 de bc a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 80 03 74 02 fff8f1b3bcac660 RSI: ffff8f1b3bc9bf70 RDI: ffff8f1b3bc9bf70 # [[ 66.038659] RSP: 0018:ffff9ebf01377e60 EFLAGS: 00010286 [ 66.050694] RAX: ffffffff982de190 RBX: 0000000000000001 RCX: 0000000000000000 [ 66.058667] RDX: 0000000000000000 RSI: ffff8f1b3bd1bf70 RDI: ffffffff98ed9d30 65.293826] RBP: ffffffff992c8767 R08: 0000000000000000 R09: 0[ 66.066637] RBP: ffffffff99323c60 R08: 0000000000000001 R09: 0000000000000001 [ 66.080798] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 66.088769] R13: ffff9ebf01377f10 R14: ffff9ebf01377f10 R15: ffff8f1ac2c02000 [ 66.096742] FS: 00007f32883a2580(0000) GS:ffff8f1b3bc00000(0000) knlGS:0000000000000000 [ 66.105777] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 66.112197] CR2: 0000000000000000 CR3: 0000000102c22000 CR4: 00000000003506f0 [ 66.120172] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 66.130086] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 830, name: cat [ 66.138444] INFO: lockdep is turned off. [ 66.142825] irq event stamp: 0 [ 66.146234] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 66.153239] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 66.162379] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 66.171516] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 66.178515] CPU: 0 PID: 830 Comm: cat Tainted: G D W 5.10.136-cip13 #1 [ 66.187068] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 66.193682] Call Trace: [ 66.196417] dump_stack+0x77/0x9b [ 66.200124] ___might_sleep.cold+0xa6/0xb6 [ 66.204700] exit_signals+0x1c/0x2e0 [ 66.208692] do_exit+0xd5/0xb00 [ 66.212201] ? ksys_write+0x68/0xf0 [ 66.216097] rewind_stack_do_exit+0x17/0x20 [ 66.220766] RIP: 0033:0x7f32882caf33 [ 66.224753] 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 [ 66.245711] RSP: 002b:00007ffdd0db4c38 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 66.254161] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f32882caf33 [ 66.262124] RDX: 000000000000000a RSI: 00007f32881bb000 RDI: 0000000000000001 [ 66.270095] RBP: 00007f32881bb000 R08: 00007f32881ba010 R09: 0000000000000000 [ 66.278069] R10: 00007f32883c51c0 R11: 0000000000000246 R12: 0000000000000001 [ 66.286039] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 000000000000000 # [ 65.301815] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010 # [ 65.309807] R13: ffff9ebf0148ff10 R14: ffff9ebf0148ff10 R15: ffff8f1ac29c1000 # [ 65.317795] FS: 00007f3fef2e3580(0000) GS:ffff8f1b3bc80000(0000) knlGS:0000000000000000 # [ 65.326836] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 65.333265] CR2: 00007f3fef0fc000 CR3: 0000000105b7a000 CR4: 00000000003506e0 # [ 65.341240] Call Trace: # [ 65.343997] direct_entry.cold+0x2c/0x38 # [ 65.348398] full_proxy_write+0x56/0x80 # [ 65.352706] vfs_write+0xea/0x3a0 # [ 65.356435] ksys_write+0x68/0xf0 # [ 65.360168] do_syscall_64+0x33/0x40 # [ 65.364187] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 65.369857] RIP: 0033:0x7f3fef20bf33 # [ 65.373870] 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 # [ 65.394863] RSP: 002b:00007ffce3db04b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 65.403339] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007f3fef20bf33 # [ 65.411326] RDX: 0000000000000010 RSI: 00007f3fef0fc000 RDI: 0000000000000001 # [ 65.419312] RBP: 00007f3fef0fc000 R08: 00007f3fef0fb010 R09: 0000000000000000 # [ 65.427296] R10: 00007f3fef3061c0 R11: 0000000000000246 R12: 0000000000000001 # [ 65.435283] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 65.443280] irq event stamp: 0 # [ 65.446706] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 65.453713] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 65.462841] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 65.478166] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 65.485173] ---[ end trace 8c1e8df02166ac7a ]--- # WARNING_MESSAGE: saw 'message trigger': ok ok 4 selftests: lkdtm: WARNING_MESSAGE.sh # selftests: lkdtm: EXCEPTION.sh # Killed # [ 65.721434] lkdtm: Performing direct entry EXCEPTION # [ 65.731872] BUG: kernel NULL pointer dereference, address: 0000000000000000 # [ 65.745832] #PF: supervisor write access in kernel mode # [ 65.751664] #PF: error_code(0x0002) - not-present page # [ 65.757395] PGD 0 P4D 0 # [ 65.766433] Oops: 0002 [#2] SMP PTI # [ 65.770327] CPU: 0 PID: 830 Comm: cat Tainted: G D W 5.10.136-cip13 #1 # [ 65.778872] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 65.785486] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20 # [ 65.790448] Code: 48 c7 c7 c0 8c 2c 99 8d 70 01 89 35 51 03 74 02 e8 28 16 66 00 0f 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 04 25 00 00 00 00 00 00 00 00 c3 cc cc cc cc 66 66 2e 0f 1f 84 # [ 65.811411] RSP: 0018:ffff9ebf014d7e60 EFLAGS: 00010286 # [ 65.817242] RAX: ffffffff982de1f0 RBX: 0000000000000004 RCX: 0000000000000000 # [ 65.825212] RDX: 0000000000000000 RSI: ffff8f1b3bc1bf70 RDI: ffffffff98ed9d60 # [ 65.833180] RBP: ffffffff991fdcff R08: 0000000000000000 R09: 0000000000000000 # [ 65.841153] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 65.849122] R13: ffff9ebf014d7f10 R14: ffff9ebf014d7f10 R15: ffff8f1ac292e000 # [ 65.857095] FS: 00007f32883a2580(0000) GS:ffff8f1b3bc00000(0000) knlGS:0000000000000000 # [ 65.866131] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 65.872549] CR2: 0000000000000000 CR3: 0000000102c22000 CR4: 00000000003506f0 # [ 65.880515] Call Trace: # [ 65.883252] direct_entry.cold+0x2c/0x38 # [ 65.887631] full_proxy_write+0x56/0x80 # [ 65.891919] vfs_write+0xea/0x3a0 # [ 65.895628] ksys_write+0x68/0xf0 # [ 65.899333] do_syscall_64+0x33/0x40 # [ 65.903322] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 65.908961] RIP: 0033:0x7f32882caf33 # [ 65.912958] 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 # [ 65.933936] RSP: 002b:00007ffdd0db4c38 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 65.942400] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f32882caf33 # [ 65.950374] RDX: 000000000000000a RSI: 00007f32881bb000 RDI: 0000000000000001 # [ 65.958344] RBP: 00007f32881bb000 R08: 00007f32881ba010 R09: 0000000000000000 # [ 65.966312] R10: 00007f32883c51c0 R11: 0000000000000246 R12: 0000000000000001 # [ 65.974275] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 65.982251] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 66.004428] CR2: 0000000000000000 # [ 66.008135] ---[ end trace 8c1e8df02166ac7b ]--- # [ 66.013298] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 66.017672] Code: 89 ff e8 de bc a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 80 03 74 02 # [ 66.038659] RSP: 0018:ffff9ebf01377e60 EFLAGS: 00010286 # [ 66.050694] RAX: ffffffff982de190 RBX: 0000000000000001 RCX: 0000000000000000 # [ 66.058667] RDX: 0000000000000000 RSI: ffff8f1b3bd1bf70 RDI: ffffffff98ed9d30 # [ 66.066637] RBP: ffffffff99323c60 R08: 0000000000000001 R09: 0000000000000001 # [ 66.080798] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 66.088769] R13: ffff9ebf01377f10 R14: ffff9ebf01377f10 R15: ffff8f1ac2c02000 # [ 66.096742] FS: 00007f32883a2580(0000) GS:ffff8f1b3bc00000(0000) knlGS:0000000000000000 # [ 66.105777] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 66.112197] CR2: 0000000000000000 CR3: 0000000102c22000 CR4: 00000000003506f0 # [ 66.120172] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 66.130086] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 830, name: cat # [ 66.138444] INFO: lockdep is turned off. # [ 66.142825] irq event stamp: 0 # [ 66.146234] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 66.153239] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 66.162379] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 66.171516] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 66.178515] CPU: 0 PID: 830 Comm: cat Tainted: G D W 5.10.136-cip13 #1 # [ 66.187068] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 66.193682] Call Trace: # [ 66.196417] dump_stack+0x77/0x9b # [ 66.200124] ___might_sleep.cold+0xa6/0xb6 # [ 66.204700] exit_signals+0x1c/0x2e0 # [ 66.208692] do_exit+0xd5/0xb00 # [ 66.212201] ? ksys_write+0x68/0xf0 # [ 66.216097] rewind_stack_do_exit+0x17/0x20 # [ 66.220766] RIP: 0033:0x7f32882caf33 # [ 66.224753] 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 # [ 66.245711] RSP: 002b:00007ffdd0db4c38 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 66.254161] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f32882caf33 # [ 66.262124] RDX: 000000000000000a RSI: 00007f32881bb000 RDI: 0000000000000001 # [ 66.270095] RBP: 00007f32881bb000 R08: 00007f32881ba010 R09: 0000000000000000 # [ 66.278069] R10: 00007f32883c51c0 R11: 0000000000000246 R12: 0000000000000001 # [ 66.286039] 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[ 67.092083] lkdtm: Performing direct entry CORRUPT_LIST_ADD [ 67.101376] lkdtm: attempting good list addition [ 67.106564] lkdtm: attempting corrupted list addition [ 67.112241] lkdtm: list_add() corruption not detected! CORRUPT_STACK_STRONG: Crashes entire system on success ok 9 selftests: lkdtm: CORRUPT_STACK_STRONG.sh # SKIP # selftests: lkdtm: CORRUPT_LIST_ADD.sh # [ 67.092083] lkdtm: Performing direct entry CORRUPT_LIST_ADD # [ 67.101376] lkdtm: attempting good list addition # [ 67.106564] lkdtm: attempting corrupted list addition # [ 67.112241] lkdtm: list_add() corruption not detected! # CORRUPT_LIST_ADD: missing 'list_add corruption': [FAIL] not ok 10 selftests: lkdtm: CORRUPT_LIST_ADD.sh # exit=1 # selftests: lkdtm: CORRUPT_LIST_DEL.sh [ 67.350803] lkdtm: Performing direct entry CORRUPT_LIST_DEL [ 67.357084] lkdtm: attempting good list removal [ 67.362180] lkdtm: attempting corrupted list removal [ 67.367751] lkdtm: list_del() corruption not detected! # [ 67.350803] lkdtm: Performing direct entry CORRUPT_LIST_DEL # [ 67.357084] lkdtm: attempting good list removal # [ 67.362180] lkdtm: attempting corrupted list removal # [ 67.367751] 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 [ 67.591200] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING [ 67.598240] lkdtm: attempting bad read from page below current stack [ 67.605387] BUG: stack guard page was hit at 000000009540f002 (stack is 000000009e06f5c7..0000000011f68a56) [ 67.616283] kernel stack overflow (page fault): 0000 [#3] SMP PTI [ 67.623094] CPU: 1 PID: 1055 Comm: cat Tainted: G D W 5.10.136-cip13 #1 [ 67.631744] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 67.638359] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a [ 67.644866] Code: cc cc cc 0f 1f 44 00 00 53 48 c7 c7 60 90 2c 99 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 df a0 fd ff 48 c7 c7 a0 90 2c 99 <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 c5 a0 fd ff 0f 1f 44 [ 67.665836] RSP: 0018:ffff9ebf0184fe50 EFLAGS: 00010246 [ 67.671669] RAX: 0000000000000038 RBX: ffff9ebf0184c000 RCX: 0000000000000000 [ 67.679634] RDX: 0000000000000000 RSI: ffff8f1b3bc9bf70 RDI: ffffffff992c90a0 [ 67.687601] RBP: ffffffff992c87ca R08: 0000000000000000 R09: 0000000000000000 [ 67.695575] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019 [ 67.703550] R13: ffff9ebf0184ff10 R14: ffff9ebf0184ff10 R15: ffff8f1ac5882000 [ 67.711517] FS: 00007fdb490f6580(0000) GS:ffff8f1b3bc80000(0000) knlGS:0000000000000000 [ 67.720545] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 67.726953] CR2: ffff9ebf0184bfff CR3: 0000000104bb6000 CR4: 00000000003506e0 [ 67.734912] Call Trace: [ 67.737644] ? lkdtm_CORRUPT_LIST_DEL+0xe0/0xe0 [ 67.742698] direct_entry.cold+0x2c/0x38 [ 67.747080] full_proxy_write+0x56/0x80 [ 67.751362] vfs_write+0xea/0x3a0 [ 67.755063] ksys_write+0x68/0xf0 [ 67.758765] do_syscall_64+0x33/0x40 [ 67.762752] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 67.768392] RIP: 0033:0x7fdb4901ef33 [ 67.772381] 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 [ 67.793315] RSP: 002b:00007ffca4a95898 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 67.801758] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007fdb4901ef33 [ 67.809713] RDX: 0000000000000019 RSI: 00007fdb48f0f000 RDI: 0000000000000001 [ 67.817677] RBP: 00007fdb48f0f000 R08: 00007fdb48f0e010 R09: 0000000000000000 [ 67.825635] R10: 00007fdb491191c0 R11: 0000000000000246 R12: 0000000000000001 [ 67.833599] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 67.841577] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 67.857532] ---[ end trace 8c1e8df02166ac7c ]--- [ 67.862684] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 67.867051] Code: 89 ff e8 de bc a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 80 03 74 02 [ 67.888006] RSP: 0018:ffff9ebf01377e60 EFLAGS: 00010286 [ 67.893832] RAX: ffffffff982de190 RBX: 0000000000000001 RCX: 0000000000000000 [ 67.901793] RDX: 0000000000000000 RSI: ffff8f1b3bd1bf70 RDI: ffffffff98ed9d30 [ 67.909761] RBP: ffffffff99323c60 R08: 0000000000000001 R09: 0000000000000001 [ 67.917716] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 67.925679] R13: ffff9ebf01377f10 R14: ffff9ebf01377f10 R15: ffff8f1ac2c02000 [ 67.933637] FS: 00007fdb490f6580(0000) GS:ffff8f1b3bc80000(0000) knlGS:0000000000000000 [ 67.942660] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 67.949073] CR2: ffff9ebf0184bfff CR3: 0000000104bb6000 CR4: 00000000003506e0 [ 67.957035] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 67.966929] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1055, name: cat [ 67.975362] INFO: lockdep is turned off. [ 67.979731] irq event stamp: 0 [ 67.983137] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 67.990128] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 67.999252] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 68.008378] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 68.015366] CPU: 1 PID: 1055 Comm: cat Tainted: G D W 5.10.136-cip13 #1 [ 68.024006] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 68.030617] Call Trace: [ 68.033352] dump_stack+0x77/0x9b [ 68.037058] ___might_sleep.cold+0xa6/0xb6 [ 68.041636] exit_signals+0x1c/0x2e0 [ 68.045628] do_exit+0xd5/0xb00 [ 68.049136] ? ksys_write+0x68/0xf0 [ 68.053031] rewind_stack_do_exit+0x17/0x20 [ 68.057700] RIP: 0033:0x7fdb4901ef33 [ 68.061695] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 68.082647] RSP: 002b:00007ffca4a95898 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 68.091093] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007fdb4901ef33 [ 68.099050] RDX: 0000000000000019 RSI: 00007fdb48f0f000 RDI: 0000000000000001 [ 68.107011] RBP: 00007fdb48f0f000 R08: 00007fdb48f0e010 R09: 0000000000000000 [ 68.114982] R10: 00007fdb491191c0 R11: 0000000000000246 R12: 0000000000000001 [ 68.122945] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # Segmentation fault # [ 67.591200] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING # [ 67.598240] lkdtm: attempting bad read from page below current stack # [ 67.605387] BUG: stack guard page was hit at 000000009540f002 (stack is 000000009e06f5c7..0000000011f68a56) # [ 67.616283] kernel stack overflow (page fault): 0000 [#3] SMP PTI # [ 67.623094] CPU: 1 PID: 1055 Comm: cat Tainted: G D W 5.10.136-cip13 #1 # [ 67.631744] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 67.638359] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a # [ 67.644866] Code: cc cc cc 0f 1f 44 00 00 53 48 c7 c7 60 90 2c 99 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 df a0 fd ff 48 c7 c7 a0 90 2c 99 <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 c5 a0 fd ff 0f 1f 44 # [ 67.665836] RSP: 0018:ffff9ebf0184fe50 EFLAGS: 00010246 # [ 67.671669] RAX: 0000000000000038 RBX: ffff9ebf0184c000 RCX: 0000000000000000 # [ 67.679634] RDX: 0000000000000000 RSI: ffff8f1b3bc9bf70 RDI: ffffffff992c90a0 # [ 67.687601] RBP: ffffffff992c87ca R08: 0000000000000000 R09: 0000000000000000 # [ 67.695575] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019 # [ 67.703550] R13: ffff9ebf0184ff10 R14: ffff9ebf0184ff10 R15: ffff8f1ac5882000 # [ 67.711517] FS: 00007fdb490f6580(0000) GS:ffff8f1b3bc80000(0000) knlGS:0000000000000000 # [ 67.720545] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 67.726953] CR2: ffff9ebf0184bfff CR3: 0000000104bb6000 CR4: 00000000003506e0 # [ 67.734912] Call Trace: # [ 67.737644] ? lkdtm_CORRUPT_LIST_DEL+0xe0/0xe0 # [ 67.742698] direct_entry.cold+0x2c/0x38 # [ 67.747080] full_proxy_write+0x56/0x80 # [ 67.751362] vfs_write+0xea/0x3a0 # [ 67.755063] ksys_write+0x68/0xf0 # [ 67.758765] do_syscall_64+0x33/0x40 # [ 67.762752] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 67.768392] RIP: 0033:0x7fdb4901ef33 # [ 67.772381] 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 # [ 67.793315] RSP: 002b:00007ffca4a95898 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 67.801758] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007fdb4901ef33 # [ 67.809713] RDX: 0000000000000019 RSI: 00007fdb48f0f000 RDI: 0000000000000001 # [[ 68.427891] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING [ 68.436610] lkdtm: attempting bad read from page above current stack 67.817677] RBP: 00007fdb48f0f000 R08: 00007fdb48f0e010 R09: 0[ 68.443747] BUG: stack guard page was hit at 00000000be920572 (stack is 000000003bb6150c..00000000958ef02c) [ 68.460840] kernel stack overflow (page fault): 0000 [#4] SMP PTI [ 68.467652] CPU: 1 PID: 1088 Comm: cat Tainted: G D W 5.10.136-cip13 #1 [ 68.476302] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 68.482921] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILING+0x27/0x3d [ 68.489542] Code: a0 fd ff 0f 1f 44 00 00 53 48 c7 c7 d8 90 2c 99 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 a5 a0 fd ff 48 c7 c7 18 91 2c 99 <8a> 83 00 40 00 00 88 44 24 07 0f b6 74 24 07 5a 5b e9 88 a0 fd ff [ 68.510508] RSP: 0018:ffff9ebf018cfe50 EFLAGS: 00010246 [ 68.516340] RAX: 0000000000000038 RBX: ffff9ebf018cc000 RCX: 0000000000000000 [ 68.524299] RDX: 0000000000000000 RSI: ffff8f1b3bc9bf70 RDI: ffffffff992c9118 [ 68.532255] RBP: ffffffff992c87e3 R08: 0000000000000000 R09: 0000000000000000 [ 68.540214] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001a [ 68.548170] R13: ffff9ebf018cff10 R14: ffff9ebf018cff10 R15: ffff8f1ac27bf000 [ 68.556127] FS: 00007f24ef1bd580(0000) GS:ffff8f1b3bc80000(0000) knlGS:0000000000000000 [ 68.565146] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 68.571554] CR2: ffff9ebf018d0000 CR3: 0000000102938000 CR4: 00000000003506e0 [ 68.579506] Call Trace: [ 68.582238] ? lkdtm_STACK_GUARD_PAGE_LEADING+0x3a/0x3a [ 68.588066] direct_entry.cold+0x2c/0x38 [ 68.592449] full_proxy_write+0x56/0x80 [ 68.596735] vfs_write+0xea/0x3a0 [ 68.600434] ksys_write+0x68/0xf0 [ 68.604142] do_syscall_64+0x33/0x40 [ 68.608131] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 68.613756] RIP: 0033:0x7f24ef0e5f33 [ 68.617754] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 68.638704] RSP: 002b:00007ffdf31ab898 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 68.647148] RAX: ffffffffffffffda RBX: 000000000000001a RCX: 00007f24ef0e5f33 [ 68.655105] RDX: 000000000000001a RSI: 00007f24eefd6000 RDI: 0000000000000001 [ 68.663062] RBP: 00007f24eefd6000 R08: 00007f24eefd5010 R09: 0000000000000000 [ 68.671017] R10: 00007f24ef1e01c0 R11: 0000000000000246 R12: 0000000000000001 [ 68.678969] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 68.686939] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 68.702871] ---[ end trace 8c1e8df02166ac7d ]--- [ 68.708028] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 68.712407] Code: 89 ff e8 de bc a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 80 03 74 02 [ 68.733348] RSP: 0018:ffff9ebf01377e60 EFLAGS: 00010286 [ 68.739174] RAX: ffffffff982de190 RBX: 0000000000000001 RCX: 0000000000000000 [ 68.747129] RDX: 0000000000000000 RSI: ffff8f1b3bd1bf70 RDI: ffffffff98ed9d30 [ 68.755085] RBP: ffffffff99323c60 R08: 0000000000000001 R09: 0000000000000001 [ 68.763053] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 68.771018] R13: ffff9ebf01377f10 R14: ffff9ebf01377f10 R15: ffff8f1ac2c02000 [ 68.778974] FS: 00007f24ef1bd580(0000) GS:ffff8f1b3bc80000(0000) knlGS:0000000000000000 [ 68.788006] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 68.794418] CR2: ffff9ebf018d0000 CR3: 0000000102938000 CR4: 00000000003506e0 [ 68.802385] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 68.812278] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1088, name: cat [ 68.820716] INFO: lockdep is turned off. [ 68.825088] irq event stamp: 0 [ 68.828498] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 68.835489] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 68.844615] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 68.853748] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 68.860751] CPU: 1 PID: 1088 Comm: cat Tainted: G D W 5.10.136-cip13 #1 [ 68.869406] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 68.876012] Call Trace: 000000000000000 # [ 67.825635] R10: 00007fdb491191c0 R11: 000[ 68.878745] dump_stack+0x77/0x9b [ 68.888658] ___might_sleep.cold+0xa6/0xb6 [ 68.893236] exit_signals+0x1c/0x2e0 [ 68.897229] do_exit+0xd5/0xb00 [ 68.900733] ? ksys_write+0x68/0xf0 [ 68.904637] rewind_stack_do_exit+0x17/0x20 [ 68.909312] RIP: 0033:0x7f24ef0e5f33 [ 68.913306] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 68.934279] RSP: 002b:00007ffdf31ab898 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 68.942732] RAX: ffffffffffffffda RBX: 000000000000001a RCX: 00007f24ef0e5f33 [ 68.950695] RDX: 000000000000001a RSI: 00007f24eefd6000 RDI: 0000000000000001 [ 68.958656] RBP: 00007f24eefd6000 R08: 00007f24eefd5010 R09: 0000000000000000 [ 68.966620] R10: 00007f24ef1e01c0 R11: 0000000000000246 R12: 0000000000000001 [ 68.974575] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 0000000000246 R12: 0000000000000001 # [ 67.833599] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 67.841577] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 67.857532] ---[ end trace 8c1e8df02166ac7c ]--- # [ 67.862684] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 67.867051] Code: 89 ff e8 de bc a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 80 03 74 02 # [ 67.888006] RSP: 0018:ffff9ebf01377e60 EFLAGS: 00010286 # [ 67.893832] RAX: ffffffff982de190 RBX: 0000000000000001 RCX: 0000000000000000 # [ 67.901793] RDX: 0000000000000000 RSI: ffff8f1b3bd1bf70 RDI: ffffffff98ed9d30 # [ 67.909761] RBP: ffffffff99323c60 R08: 0000000000000001 R09: 0000000000000001 # [ 67.917716] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 67.925679] R13: ffff9ebf01377f10 R14: ffff9ebf01377f10 R15: ffff8f1ac2c02000 # [ 67.933637] FS: 00007fdb490f6580(0000) GS:ffff8f1b3bc80000(0000) knlGS:0000000000000000 # [ 67.942660] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 67.949073] CR2: ffff9ebf0184bfff CR3: 0000000104bb6000 CR4: 00000000003506e0 # [ 67.957035] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 67.966929] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1055, name: cat # [ 67.975362] INFO: lockdep is turned off. # [ 67.979731] irq event stamp: 0 # [ 67.983137] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 67.990128] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 67.999252] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 68.008378] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 68.015366] CPU: 1 PID: 1055 Comm: cat Tainted: G D W 5.10.136-cip13 #1 # [ 68.024006] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 68.030617] Call Trace: # [ 68.033352] dump_stack+0x77/0x9b # [ 68.037058] ___might_sleep.cold+0xa6/0xb6 # [ 68.041636] exit_signals+0x1c/0x2e0 # [ 68.045628] do_exit+0xd5/0xb00 # [ 68.049136] ? ksys_write+0x68/0xf0 # [ 68.053031] rewind_stack_do_exit+0x17/0x20 # [ 68.057700] RIP: 0033:0x7fdb4901ef33 # [ 68.061695] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 68.082647] RSP: 002b:00007ffca4a95898 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 68.091093] RAX: ffffffffffffffda RBX: 0000000000000019[ 69.252688] lkdtm: Performing direct entry UNSET_SMEP RCX: 00007fdb4901ef33 # [ 68.099050] RDX: 0000000000000019 R[ 69.261563] lkdtm: trying to clear SMEP normally [ 69.272901] ------------[ cut here ]------------ SI: 00007fdb48f0f000 RDI: 0000000000000001 # [ 68.107011] RBP[ 69.278071] pinned CR4 bits changed: 0x100000!? : 00007fdb48f0f000 R08: 00007fdb48f0e010 R09: 0000000000000000 [ 69.289347] WARNING: CPU: 1 PID: 1124 at arch/x86/kernel/cpu/common.c:392 native_write_cr4+0x45/0x60 # [ 68.114982] R10: 00007fdb491191c0 R11: 0000000000000246 R12[ 69.305740] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 69.327922] CPU: 1 PID: 1124 Comm: cat Tainted: G D W 5.10.136-cip13 #1 [ 69.336648] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 69.343315] RIP: 0010:native_write_cr4+0x45/0x60 [ 69.348495] Code: 39 c2 75 2d 48 85 f6 75 05 c3 cc cc cc cc 80 3d 93 a3 c3 01 00 75 f2 48 c7 c7 40 7d 20 99 c6 05 83 a3 c3 01 01 e8 13 b3 e7 00 <0f> 0b c3 cc cc cc cc 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09 [ 69.369445] RSP: 0018:ffff9ebf01957e48 EFLAGS: 00010286 [ 69.375302] RAX: 0000000000000000 RBX: 00000000002506e0 RCX: 0000000000000000 [ 69.383293] RDX: ffff8f1b3bcac660 RSI: ffff8f1b3bc9bf70 RDI: ffff8f1b3bc9bf70 [ 69.391283] RBP: ffffffff992c87fd R08: 0000000000000000 R09: 0000000000000000 [ 69.399261] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b [ 69.407240] R13: ffff9ebf01957f10 R14: ffff9ebf01957f10 R15: ffff8f1ac3d44000 [ 69.415219] FS: 00007fb3a4e59580(0000) GS:ffff8f1b3bc80000(0000) knlGS:0000000000000000 [ 69.424266] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 69.430699] CR2: 00007fb3a4c72000 CR3: 0000000103184000 CR4: 00000000003506e0 [ 69.438675] Call Trace: [ 69.441433] lkdtm_UNSET_SMEP.cold+0x1d/0x103 [ 69.446322] direct_entry.cold+0x2c/0x38 : 0000000000000001 # [ 68.122945] R13: 0000000000000001 R14: [ 69.450728] full_proxy_write+0x56/0x80 [ 69.461221] vfs_write+0xea/0x3a0 [ 69.464943] ksys_write+0x68/0xf0 [ 69.468672] do_syscall_64+0x33/0x40 [ 69.472685] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 69.478340] RIP: 0033:0x7fb3a4d81f33 [ 69.482349] 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 [ 69.503321] RSP: 002b:00007ffdbb71b258 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 69.511796] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007fb3a4d81f33 [ 69.519776] RDX: 000000000000000b RSI: 00007fb3a4c72000 RDI: 0000000000000001 [ 69.527764] RBP: 00007fb3a4c72000 R08: 00007fb3a4c71010 R09: 0000000000000000 [ 69.535741] R10: 00007fb3a4e7c1c0 R11: 0000000000000246 R12: 0000000000000001 [ 69.543727] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 69.551732] irq event stamp: 0 [ 69.555166] hardirqs last enabled at (0): [<0000000000000000>] 0x0 0000000000020000 R15: 0000000000020000 # STACK_GUARD_PAGE_LEADI[ 69.562183] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 NG: saw 'call trace:': ok ok 12 selftests: lkdtm: STACK_GUARD_P[ 69.577516] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 69.592851] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 69.599870] ---[ end trace 8c1e8df02166ac7e ]--- [ 69.605044] lkdtm: ok: SMEP did not get cleared [ 69.610127] lkdtm: trying to clear SMEP with call gadget [ 69.616082] lkdtm: ok: SMEP removal was reverted AGE_LEADING.sh # selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh # Segmentation fault # [ 68.427891] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING # [ 68.436610] lkdtm: attempting bad read from page above current stack # [ 68.443747] BUG: stack guard page was hit at 00000000be920572 (stack is 000000003bb6150c..00000000958ef02c) # [ 68.460840] kernel stack overflow (page fault): 0000 [#4] SMP PTI # [ 68.467652] CPU: 1 PID: 1088 Comm: cat Tainted: G D W 5.10.136-cip13 #1 # [ 68.476302] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 68.482921] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILING+0x27/0x3d # [ 68.489542] Code: a0 fd ff 0f 1f 44 00 00 53 48 c7 c7 d8 90 2c 99 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 a5 a0 fd ff 48 c7 c7 18 91 2c 99 <8a> 83 00 40 00 00 88 44 24 07 0f b6 74 24 07 5a 5b e9 88 a0 fd ff # [ 68.510508] RSP: 0018:ffff9ebf018cfe50 EFLAGS: 00010246 # [ 68.516340] RAX: 0000000000000038 RBX: ffff9ebf018cc000 RCX: 0000000000000000 # [ 68.524299] RDX: 0000000000000000 RSI: ffff8f1b3bc9bf70 RDI: ffffffff992c9118 # [ 68.532255] RBP: ffffffff992c87e3 R08: 0000000000000000 R09: 0000000000000000 # [ 68.540214] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001a # [ 68.548170] R13: ffff9ebf018cff10 R14: ffff9ebf018cff10 R15: ffff8f1ac27bf000 # [ 68.556127] FS: 00007f24ef1bd580(0000) GS:ffff8f1b3bc80000(0000) knlGS:0000000000000000 # [ 68.565146] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 68.571554] CR2: ffff9ebf018d0000 CR3: 0000000102938000 CR4: 00000000003506e0 # [ 68.579506] Call Trace: # [ 68.582238] ? lkdtm_STACK_GUARD_PAGE_LEADING+0x3a/0x3a # [ 68.588066] direct_entry.cold+0x2c/0x38 # [ 68.592449] full_proxy_write+0x56/0x80 # [ 68.596735] vfs_write+0xea/0x3a0 # [ 68.600434] ksys_write+0x68/0xf0 # [ 68.604142] do_syscall_64+0x33/0x40 # [ 68.608131] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 68.613756] RIP: 0033:0x7f24ef0e5f33 # [ 68.617754] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 68.638704] RSP: 002b:00007ffdf31ab898 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 68.647148] RAX: ffffffffffffffda RBX: 000000000000001a RCX: 00007f24ef0e5f33 # [ 68.655105] RDX: 000000[ 69.853485] lkdtm: Performing direct entry DOUBLE_FAULT [ 69.862951] lkdtm: XFAIL: this test is ia32-only 000000001a RSI: 00007f24eefd6000 RDI: 0000000000000001 # [ 68.663062] RBP: 00007f24eefd6000 R08: 00007f24eefd5010 R09: 0000000000000000 # [ 68.671017] R10: 00007f24ef1e01c0 R11: 0000000000000246 R12: 0000000000000001 # [ 68.678969] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 68.686939] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 68.702871] ---[ end trace 8c1e8df02166ac7d ]--- # [ 68.708028] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 68.712407] Code: 89 ff e8 de bc a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 80 03 74 02 # [ 68.733348] RSP: 0018:ffff9ebf01377e60 EFLAGS: 00010286 # [ 68.739174] RAX: ffffffff982de190 RBX: 0000000000000001 RCX: 0000000000000000 # [ 68.747129] RDX: 0000000000000000 RSI: ffff8f1b3bd1bf70 RDI: ffffffff98ed9d30 # [ 68.755085] RBP: ffffffff99323c60 R08: 0000000000000001 R09: 0000000000000001 # [ 68.763053] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 68.771018] R13: ffff9ebf01377f10 R14: ffff9ebf01377f10 R15: ffff8f1ac2c02000 # [ 68.778974] FS: 00007f24ef1bd580(0000) GS:ffff8f1b3bc80000(0000) knlGS:0000000000000000 # [ 68.788006] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 68.794418] CR2: ffff9ebf018d0000 CR3: 0000000102938000 CR4: 00000000003506e0 # [ 68.802385] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 68.812278] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1088, name: cat # [ 68.820716] INFO: lockdep is turned off. # [ 68.825088] irq event stamp: 0 # [ 68.828498] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 68.835489] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 68.844615] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 68.853748] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 68.860751] CPU: 1 PID: 1088 Comm: cat Tainted: G D W 5.10.136-cip13 #1 # [ 68.869406] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 68.876012] Call Trace: # [ 68.878745] dump_stack+0x77/0x9b # [ 68.888658] ___might_sleep.cold+0xa6/0xb6 # [ 68.893[ 70.098162] lkdtm: Performing direct entry CORRUPT_PAC 236] exit_signals+0x1c/0x2e0 # [ 68.897229] do_exit+0xd5/0x[ 70.109818] lkdtm: XFAIL: this test is arm64-only b00 # [ 68.900733] ? ksys_write+0x68/0xf0 # [ 68.904637] rewind_stack_do_exit+0x17/0x20 # [ 68.909312] RIP: 0033:0x7f24ef0e5f33 # [ 68.913306] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 68.934279] RSP: 002b:00007ffdf31ab898 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 68.942732] RAX: ffffffffffffffda RBX: 000000000000001a RCX: 00007f24ef0e5f33 # [ 68.950695] RDX: 000000000000001a RSI: 00007f24eefd6000 RDI: 0000000000000001 # [ 68.958656] RBP: 00007f24eefd6000 R08: 00007f24eefd5010 R09: 0000000000000000 # [ 68.966620] R10: 00007f24ef1e01c0 R11: 0000000000000246 R12: 0000000000000001 # [ 68.974575] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # STACK_GUARD_PAGE_TRAILING: saw 'call trace:': ok ok 13 selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh # selftests: lkdtm: UNSET_SMEP.sh # [ 69.252688] lkdtm: Performing direct entry UNSET_SMEP # [ 69.261563] lkdtm: trying to clear SMEP normally # [ 69.272901] ------------[ cut here ]------------ # [ 69.278071] pinned CR4 bits changed: 0x100000!? # [ 69.289347] WARNING: CPU: 1 PID: 1124 at arch/x86/kernel/cpu/common.c:392 native_write_cr4+0x45/0x60 # [ 69.305740] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 69.327922] CPU: 1 PID: 1124 Comm: cat Tainted: G D W 5.10.136-cip13 #1 # [ 69.336648] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 69.343315] RIP: 0010:native_write_cr4+0x45/0x60 # [ 69.348495] Code: 39 c2 75 2d 48 85 f6 75 05 c3 cc cc cc cc 80 3d 93 a3 c3 01 00 75 f2 48 c7 c7 40 7d 20 99 c6 05 83 a3 c3 01 01 e8 13 b3 e7 00 <0f> 0b c3 cc cc cc cc 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09 # [ 69.369445] RSP: 0018:ffff9ebf01957e48 EFLAGS: 00010286 # [ 69.375302] RAX: 0000000000000000 RBX: 00000000002506e0 RCX: 0000000000000000 # [ 69.383293] RDX: ffff8f1b3bcac660 RSI: ffff8f1b3bc9bf70 RDI: ffff8f1b3bc9bf70 # [ 69.391283] RBP: ffffffff992c87fd R08: 0000000000000000 R09: 0000000000000000 # [ 69.399261] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b # [ 69.407240] R13: ffff9ebf0[ 70.345656] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE [ 70.358330] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS 1957f10 R14: ffff9ebf01957f10 R15: ffff8f1ac3d44000 # [ 69.415219] FS: 00007fb3a4e59580(0000) GS:ffff8f1b3bc80000(0000) knlGS:0000000000000000 # [ 69.424266] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 69.430699] CR2: 00007fb3a4c72000 CR3: 0000000103184000 CR4: 00000000003506e0 # [ 69.438675] Call Trace: # [ 69.441433] lkdtm_UNSET_SMEP.cold+0x1d/0x103 # [ 69.446322] direct_entry.cold+0x2c/0x38 # [ 69.450728] full_proxy_write+0x56/0x80 # [ 69.461221] vfs_write+0xea/0x3a0 # [ 69.464943] ksys_write+0x68/0xf0 # [ 69.468672] do_syscall_64+0x33/0x40 # [ 69.472685] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 69.478340] RIP: 0033:0x7fb3a4d81f33 # [ 69.482349] 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 # [ 69.503321] RSP: 002b:00007ffdbb71b258 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 69.511796] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007fb3a4d81f33 # [ 69.519776] RDX: 000000000000000b RSI: 00007fb3a4c72000 RDI: 0000000000000001 # [ 69.527764] RBP: 00007fb3a4c72000 R08: 00007fb3a4c71010 R09: 0000000000000000 # [ 69.535741] R10: 00007fb3a4e7c1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 69.543727] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 69.551732] irq event stamp: 0 # [ 69.555166] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 69.562183] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 69.577516] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 69.592851] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 69.599870] ---[ end trace 8c1e8df02166ac7e ]--- # [ 69.605044] lkdtm: ok: SMEP did not get cleared # [ 69.610127] lkdtm: trying to clear SMEP with call gadget # [ 69.616082] 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 # [ 69.853485] lkdtm: Performing direct entry DOUBLE_FAULT # [ 69.862951] lkdtm: XFAIL: this test is ia32-only # DOUBLE_FAULT: saw 'XFAIL': [SKIP] ok 15 selftests: lkdtm: DOUBLE_FAULT.sh # SKIP # selftests: lkdtm: CORRUPT_PAC.sh # [ 70.098162] lkdtm: Performing direct entry CORRUPT_PAC # [ 70.109818] lkdtm: XFAIL: this test is arm64-only # CORRUPT_PAC: saw 'XFAIL': [SKIP] ok 16 selftests: lkdtm: CORRUPT_PAC.sh # SKIP # selftests: lkdtm: UNALIGNED_LOAD_STORE_WRITE.sh # [ 70.345656] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE # [ 70.358330] 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 [ 70.839632] lkdtm: Performing direct entry READ_AFTER_FREE [ 70.845812] lkdtm: Value in memory before free: 12345678 [ 70.851787] lkdtm: Attempting bad read from freed memory [ 70.857751] lkdtm: Memory was not poisoned # [ 70.839632] lkdtm: Performing direct entry READ_AFTER_FREE # [ 70.845812] lkdtm: Value in memory before free: 12345678 # [ 70.851787] lkdtm: Attempting bad read from freed memory # [ 70.857751] lkdtm: Memory was not poisoned # READ_AFTER_FREE: missing 'call trace:': [FAIL] not ok 20 selftests: lkdtm: READ_AFTER_FREE.sh # exit=1 # selftests: lkdtm: WRITE_BUDDY_AFTER_FREE.sh # Skipping WRITE_BUDDY_AFTER_FREE: Corrupts memory on failure ok 21 selftests: lkdtm: WRITE_BUDDY_AFTER_FREE.sh # SKIP # selftests: lkdtm: READ_BUDDY_AFTER_FREE.sh [ 71.210860] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE [ 71.217635] lkdtm: Value in memory before free: 12345678 [ 71.223604] lkdtm: Attempting to read from freed memory [ 71.229521] lkdtm: Buddy page was not poisoned # [ 71.210860] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE # [ 71.217635] lkdtm: Value in memory before free: 12345678 # [ 71.223604] lkdtm: Attempting to read from freed memory # [ 71.229521] 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 [ 71.468833] lkdtm: Performing direct entry SLAB_FREE_DOUBLE [ 71.475109] lkdtm: Attempting double slab free ... # [ 71.468833] lkdtm: Performing direct entry SLAB_FREE_DOUBLE # [ 71.475109] 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 [ 71.713333] lkdtm: Performing direct entry SLAB_FREE_CROSS [ 71.719519] lkdtm: Attempting cross-cache slab free ... # [ 71.713333] lkdtm: Performing direct entry SLAB_FREE_CROSS # [ 71.719519] 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 [ 71.949035] lkdtm: Performing direct entry SLAB_FREE_PAGE [ 71.955111] lkdtm: Attempting non-Slab slab free ... # [ 71.949035] lkdtm: Performing direct entry SLAB_FREE_PAGE # [ 71.955111] 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 [ 72.685628] lkdtm: Performing direct entry EXEC_DATA [ 72.691212] lkdtm: attempting ok execution at ffffffff982de560 [ 72.697754] lkdtm: attempting bad execution at ffffffff9aa1e560 [ 72.704416] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 72.712779] BUG: unable to handle page fault for address: ffffffff9aa1e560 [ 72.720462] #PF: supervisor instruction fetch in kernel mode [ 72.726777] #PF: error_code(0x0011) - permissions violation [ 72.733003] PGD 154229067 P4D 154229067 PUD 15422a063 PMD 80000001558000e3 [ 72.740798] Oops: 0011 [#5] SMP PTI [ 72.744699] CPU: 2 PID: 1631 Comm: cat Tainted: G D W 5.10.136-cip13 #1 [ 72.753353] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 72.759978] RIP: 0010:data_area+0x0/0x40 [ 72.764363] Code: ff ff 00 73 25 c0 1a 8f ff ff 00 72 25 c0 1a 8f ff ff 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 [ 72.785349] RSP: 0018:ffff9ebf020a7e48 EFLAGS: 00010246 [ 72.791190] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 72.799163] RDX: 0000000000000000 RSI: ffff8f1b3bd1bf70 RDI: ffff8f1b3bd1bf70 [ 72.807135] RBP: ffffffff9aa1e560 R08: 0000000000000000 R09: 0000000000000000 [ 72.815106] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a [ 72.823078] R13: ffff9ebf020a7f10 R14: ffff9ebf020a7f10 R15: ffff8f1ac4c19000 [ 72.831054] FS: 00007f833b833580(0000) GS:ffff8f1b3bd00000(0000) knlGS:0000000000000000 [ 72.840090] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 72.846511] CR2: ffffffff9aa1e560 CR3: 0000000103198000 CR4: 00000000003506e0 [ 72.854481] Call Trace: [ 72.857221] ? execute_location+0x48/0x56 [ 72.861702] ? direct_entry.cold+0x2c/0x38 [ 72.866284] ? full_proxy_write+0x56/0x80 [ 72.870771] ? vfs_write+0xea/0x3a0 [ 72.874672] ? ksys_write+0x68/0xf0 [ 72.878575] ? do_syscall_64+0x33/0x40 [ 72.882763] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 72.888607] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 72.904566] CR2: ffffffff9aa1e560 [ 72.908261] ---[ end trace 8c1e8df02166ac7f ]--- [ 72.913413] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 72.917795] Code: 89 ff e8 de bc a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 80 03 74 02 [ 72.938760] RSP: 0018:ffff9ebf01377e60 EFLAGS: 00010286 [ 72.944586] RAX: ffffffff982de190 RBX: 0000000000000001 RCX: 0000000000000000 [ 72.952543] RDX: 0000000000000000 RSI: ffff8f1b3bd1bf70 RDI: ffffffff98ed9d30 [ 72.960510] RBP: ffffffff99323c60 R08: 0000000000000001 R09: 0000000000000001 [ 72.968485] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 72.976459] R13: ffff9ebf01377f10 R14: ffff9ebf01377f10 R15: ffff8f1ac2c02000 [ 72.984432] FS: 00007f833b833580(0000) GS:ffff8f1b3bd00000(0000) knlGS:0000000000000000 [ 72.993473] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 72.999893] CR2: ffffffff9aa1e560 CR3: 0000000103198000 CR4: 00000000003506e0 [ 73.007868] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 73.017784] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1631, name: cat [ 73.026241] INFO: lockdep is turned off. [ 73.030622] irq event stamp: 0 [ 73.034036] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 73.041035] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 73.050172] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 73.059312] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 73.066318] CPU: 2 PID: 1631 Comm: cat Tainted: G D W 5.10.136-cip13 #1 [ 73.074962] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 73.081575] Call Trace: [ 73.084316] dump_stack+0x77/0x9b [ 73.088022] ___might_sleep.cold+0xa6/0xb6 [ 73.092604] exit_signals+0x1c/0x2e0 [ 73.096602] do_exit+0xd5/0xb00 [ 73.100114] ? ksys_write+0x68/0xf0 [ 73.104018] rewind_stack_do_exit+0x17/0x20 [ 73.108694] RIP: 0033:0x7f833b75bf33 [ 73.112682] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 73.133661] RSP: 002b:00007fff7fc6f078 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 73.142120] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f833b75bf33 [ 73.150089] RDX: 000000000000000a RSI: 00007f833b64c000 RDI: 0000000000000001 [ 73.158064] RBP: 00007f833b64c000 R08: 00007f833b64b010 R09: 0000000000000000 [ 73.166037] R10: 00007f833b8561c0 R11: 0000000000000246 R12: 0000000000000001 [ 73.174012] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # Killed # [ 72.685628] lkdtm: Performing direct entry EXEC_DATA # [ 72.691212] lkdtm: attempting ok execution at ffffffff982de560 # [ 72.697754] lkdtm: attempting bad execution at ffffffff9aa1e560 # [ 72.704416] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 72.712779] BUG: unable to handle page fault for address: ffffffff9aa1e560 # [ 72.720462] #PF: supervisor instruction fetch in kernel mode # [ 72.726777] #PF: error_code(0x0011) - permissions violation # [ 72.733003] PGD 154229067 P4D 154229067 PUD 15422a063 PMD 80000001558000e3 # [ 72.740798] Oops: 0011 [#5] SMP PTI # [ 72.744699] CPU: 2 PID: 1631 Comm: cat Tainted: G D W 5.10.136-cip13 #1 # [ 72.753353] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 72.759978] RIP: 0010:data_area+0x0/0x40 # [ 72.764363] Code: ff ff 00 73 25 c0 1a 8f ff ff 00 72 25 c0 1a 8f ff ff 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 # [ 72.785349] RSP: 0018:ffff9ebf020a7e48 EFLAGS: 00010246 # [ 72.791190] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 72.799163] RDX: 0000000000000000 RSI: ffff8f1b3bd1bf70 RDI: ffff8f1b3bd1bf70 # [ 72.807135] RBP: ffffffff9aa1e560 R08: 0000000000000000 R09: 0000000000000000 # [ 72.815106] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 72.823078] R13: ffff9ebf020a7f10 R14: ffff9ebf020a7f10 R15: ffff8f1ac4c19000 # [ 72.831054] FS: 00007f833b833580(0000) GS:ffff8f1b3bd00000(0000) knlGS:0000000000000000 # [ 72.840090] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 72.846511] CR2: ffffffff9aa1e560 CR3: 0000000103198000 CR4: 00000000003506e0 # [ 72.854481] Call Trace: # [ 72.857221] ? execute_location+0x48/0x56 # [ 72.861702] ? direct_entry.cold+0x2c/0x38 # [ 72.866284] ? full_proxy_write+0x56/0x80 # [ 72.870771] ? vfs_write+0xea/0x3a0 # [ 72.874672] ? ksys_write+0x68/0xf0 # [ 72.878575] ? do_syscall_64+0x33/0x40 # [ 72.882763] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 72.888607] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 72.904566] CR2: ffffffff9aa1e560 # [ [ 73.457713] lkdtm: Performing direct entry EXEC_STACK [ 73.465343] lkdtm: attempting ok execution at ffffffff982de560 [ 73.471901] lkdtm: attempting bad execution at ffff9ebf0212fe18 72.908261] ---[ end trace 8c1e8df02166ac7f ]--- # [ 72.913413[ 73.478580] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 73.493091] BUG: unable to handle page fault for address: ffff9ebf0212fe18 ] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 72.917795] Code: 89 ff e8 [ 73.500765] #PF: supervisor instruction fetch in kernel mode [ 73.513276] #PF: error_code(0x0011) - permissions violation [ 73.519499] PGD 100000067 P4D 100000067 PUD 100214067 PMD 103d87067 PTE 8000000103a2a063 [ 73.528557] Oops: 0011 [#6] SMP PTI de bc a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 c[ 73.532457] CPU: 1 PID: 1667 Comm: cat Tainted: G D W 5.10.136-cip13 #1 [ 73.547303] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 73.553916] RIP: 0010:0xffff9ebf0212fe18 [ 73.558298] Code: 00 00 18 fe 12 02 bf 9e ff ff 49 b5 96 98 ff ff ff ff 20 00 00 00 00 00 00 00 26 89 2c 99 ff ff ff ff 75 b6 96 98 ff ff ff ff <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 [ 73.579275] RSP: 0018:ffff9ebf0212fdf8 EFLAGS: 00010246 [ 73.585106] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 73.593076] RDX: 0000000000000000 RSI: ffff8f1b3bc9bf70 RDI: ffff8f1b3bc9bf70 [ 73.601033] RBP: ffff9ebf0212fe18 R08: 0000000000000000 R09: 0000000000000000 [ 73.608987] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b [ 73.616953] R13: ffff9ebf0212ff10 R14: ffff9ebf0212ff10 R15: ffff8f1ac3143000 [ 73.624925] FS: 00007f7ada3c5580(0000) GS:ffff8f1b3bc80000(0000) knlGS:0000000000000000 [ 73.633966] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 73.640377] CR2: ffff9ebf0212fe18 CR3: 00000001059a2000 CR4: 00000000003506e0 [ 73.648334] Call Trace: [ 73.651078] ? execute_location+0x48/0x56 [ 73.655560] ? lkdtm_EXEC_STACK+0x26/0x44 [ 73.660042] ? direct_entry.cold+0x2c/0x38 [ 73.664624] ? full_proxy_write+0x56/0x80 [ 73.669107] ? vfs_write+0xea/0x3a0 [ 73.673007] ? ksys_write+0x68/0xf0 [ 73.676901] ? do_syscall_64+0x33/0x40 [ 73.681084] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 73.686923] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 73.702884] CR2: ffff9ebf0212fe18 [ 73.706590] ---[ end trace 8c1e8df02166ac80 ]--- [ 73.711749] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 73.716130] Code: 89 ff e8 de bc a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 80 03 74 02 [ 73.737107] RSP: 0018:ffff9ebf01377e60 EFLAGS: 00010286 [ 73.742946] RAX: ffffffff982de190 RBX: 0000000000000001 RCX: 0000000000000000 [ 73.750916] RDX: 0000000000000000 RSI: ffff8f1b3bd1bf70 RDI: ffffffff98ed9d30 [ 73.758876] RBP: ffffffff99323c60 R08: 0000000000000001 R09: 0000000000000001 [ 73.766846] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 73.774819] R13: ffff9ebf01377f10 R14: ffff9ebf01377f10 R15: ffff8f1ac2c02000 [ 73.782789] FS: 00007f7ada3c5580(0000) GS:ffff8f1b3bc80000(0000) knlGS:0000000000000000 [ 73.791820] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 73.798237] CR2: ffff9ebf0212fe18 CR3: 00000001059a2000 CR4: 00000000003506e0 c cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 80 03 74 02 # [ 72.938760] RSP: 0018:ffff9ebf01377e60 EFLAGS: 00010286 # [ 72.944586] RAX: ffffffff982de190 RBX: 0000000000000001 RCX: 0000000000000000 # [ 72.952543] RDX: 0000000000000000 RSI: ffff8f1b3bd1bf70 RDI: ffffffff98ed9d30 # [ 72.960510] RBP: ffffffff99323c60 R08: 0000000000000001 R09: 0000000000000001 # [ 72.968485] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 72.976459] R13: ffff9ebf01377f10 R14: ffff9ebf01377f10 R15: ffff8f1ac2c02000 # [ 72.984432] FS: 00007f833b833580(0000) GS:ffff8f1b3bd00000(0000) knlGS:0000000000000000 # [ 72.993473] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 72.999893] CR2: ffffffff9aa1e560 CR3: 0000000103198000 CR4: 00000000003506e0 # [ 73.007868] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 73.017784] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1631, name: cat # [ 73.026241] INFO: lockdep is turned off. # [ 73.030622] irq event stamp: 0 # [ 73.034036] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 73.041035] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 73.050172] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 73.059312] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 73.066318] CPU: 2 PID: 1631 Comm: cat Tainted: G D W 5.10.136-cip13 #1 # [ 73.074962] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 73.081575] Call Trace: # [ 73.084316] dump_stack+0x77/0x9b # [ 73.088022] ___might_sleep.cold+0xa6/0xb6 # [ 73.092604] exit_signals+0x1c/0x2e0 # [ 73.096602] do_exit+0xd5/0xb00 # [ 73.100114] ? ksys_write+0x68/0xf0 # [ 73.104018] rewind_stack_do_exit+0x17/0x20 # [ 73.108694] RIP: 0033:0x7f833b75bf33 # [ 73.112682] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 73.133661] RSP: 002b:00007fff7fc6f078 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 73.142120] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f833b75bf33 # [ 73.150089] RDX: 000000000000000a RSI: 00007f833b64c000 RDI: 0000000000000001 # [ 73.158064] RBP: 00007f833b64c000 R08: 00007f833b64b010 R09: 0000000000000000 # [ 73.166037] R10: 00007f833b8561c[ 74.051407] lkdtm: Performing direct entry EXEC_KMALLOC [ 74.060499] lkdtm: attempting ok execution at ffffffff982de560 [ 74.067061] lkdtm: attempting bad execution at ffff8f1ac3115540 [ 74.073706] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 74.082069] BUG: unable to handle page fault for address: ffff8f1ac3115540 0 R11: 0000000000000246 R12: 0000000000000001 # [ 73.174012] [ 74.089751] #PF: supervisor instruction fetch in kernel mode [ 74.102274] #PF: error_code(0x0011) - permissions violation R13: 0000000000000001 R14: 0000000000020000 R15: 000000000002000[ 74.108498] PGD 155a01067 P4D 155a01067 PUD 100893063 PMD 104ea4063 PTE 8000000103115163 [ 74.123754] Oops: 0011 [#7] SMP PTI [0 # EXEC_DATA: saw 'call trace:': ok ok 30 selftests: lkdtm: 74.127651] CPU: 2 PID: 1703 Comm: cat Tainted: G D W 5.10.136-cip13 #1 [ 74.142395] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 74.149004] RIP: 0010:0xffff8f1ac3115540 [ 74.153384] Code: 00 00 02 00 00 00 00 00 00 00 80 65 72 c2 1a 8f ff ff 04 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 0b 24 b0 97 ff ff ff ff <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 [ 74.174366] RSP: 0018:ffff9ebf021f7e38 EFLAGS: 00010246 [ 74.180199] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 74.188172] RDX: 0000000000000000 RSI: ffff8f1b3bd1bf70 RDI: ffff8f1b3bd1bf70 [ 74.196147] RBP: ffff8f1ac3115540 R08: 0000000000000000 R09: 0000000000000000 [ 74.204112] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d [ 74.212080] R13: ffff9ebf021f7f10 R14: ffff9ebf021f7f10 R15: ffff8f1ac3f14000 [ 74.220043] FS: 00007f7d783c6580(0000) GS:ffff8f1b3bd00000(0000) knlGS:0000000000000000 [ 74.229076] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 74.235488] CR2: ffff8f1ac3115540 CR3: 0000000104f1c000 CR4: 00000000003506e0 [ 74.243460] Call Trace: [ 74.246204] ? execute_location+0x48/0x56 [ 74.250682] ? lkdtm_EXEC_KMALLOC+0x2c/0x40 [ 74.255347] ? direct_entry.cold+0x2c/0x38 [ 74.259921] ? full_proxy_write+0x56/0x80 [ 74.264398] ? vfs_write+0xea/0x3a0 [ 74.268295] ? ksys_write+0x68/0xf0 [ 74.272192] ? do_syscall_64+0x33/0x40 [ 74.276383] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 74.282226] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 74.298176] CR2: ffff8f1ac3115540 [ 74.301880] ---[ end trace 8c1e8df02166ac81 ]--- [ 74.307041] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 74.311416] Code: 89 ff e8 de bc a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 80 03 74 02 [ 74.332375] RSP: 0018:ffff9ebf01377e60 EFLAGS: 00010286 [ 74.338204] RAX: ffffffff982de190 RBX: 0000000000000001 RCX: 0000000000000000 [ 74.346171] RDX: 0000000000000000 RSI: ffff8f1b3bd1bf70 RDI: ffffffff98ed9d30 [ 74.354140] RBP: ffffffff99323c60 R08: 0000000000000001 R09: 0000000000000001 [ 74.362113] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 74.370084] R13: ffff9ebf01377f10 R14: ffff9ebf01377f10 R15: ffff8f1ac2c02000 [ 74.378054] FS: 00007f7d783c6580(0000) GS:ffff8f1b3bd00000(0000) knlGS:0000000000000000 [ 74.387085] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 74.393502] CR2: ffff8f1ac3115540 CR3: 0000000104f1c000 CR4: 00000000003506e0 [ 74.401466] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 74.411377] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1703, name: cat [ 74.419818] INFO: lockdep is turned off. [ 74.424192] irq event stamp: 0 [ 74.427595] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 74.434584] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 74.443702] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 74.452823] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 74.459820] CPU: 2 PID: 1703 Comm: cat Tainted: G D W 5.10.136-cip13 #1 [ 74.468463] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 74.475060] Call Trace: [ 74.477789] dump_stack+0x77/0x9b [ 74.481491] ___might_sleep.cold+0xa6/0xb6 [ 74.486069] exit_signals+0x1c/0x2e0 [ 74.490063] do_exit+0xd5/0xb00 [ 74.493575] ? ksys_write+0x68/0xf0 [ 74.497476] rewind_stack_do_exit+0x17/0x20 [ 74.502149] RIP: 0033:0x7f7d782eef33 [ 74.506144] 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 [ 74.527127] RSP: 002b:00007ffc6e839588 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 74.535587] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007f7d782eef33 [ 74.543556] RDX: 000000000000000d RSI: 00007f7d781df000 RDI: 0000000000000001 [ 74.551529] RBP: 00007f7d781df000 R08: 00007f7d781de010 R09: 0000000000000000 [ 74.559504] R10: 00007f7d783e91c0 R11: 0000000000000246 R12: 0000000000000001 [ 74.567476] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 XEC_DATA.sh # selftests: lkdtm: EXEC_STACK.sh # Killed # [ 73.457713] lkdtm: Performing direct entry EXEC_STACK # [ 73.465343] lkdtm: attempting ok execution at ffffffff982de560 # [ 73.471901] lkdtm: attempting bad execution at ffff9ebf0212fe18 # [ 73.478580] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 73.493091] BUG: unable to handle page fault for address: ffff9ebf0212fe18 # [ 73.500765] #PF: supervisor instruction fetch in kernel mode # [ 73.513276] #PF: error_code(0x0011) - permissions violation # [ 73.519499] PGD 100000067 P4D 100000067 PUD 100214067 PMD 103d87067 PTE 8000000103a2a063 # [ 73.528557] Oops: 0011 [#6] SMP PTI # [ 73.532457] CPU: 1 PID: 1667 Comm: cat Tainted: G D W 5.10.136-cip13 #1 # [ 73.547303] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 73.553916] RIP: 0010:0xffff9ebf0212fe18 # [ 73.558298] Code: 00 00 18 fe 12 02 bf 9e ff ff 49 b5 96 98 ff ff ff ff 20 00 00 00 00 00 00 00 26 89 2c 99 ff ff ff ff 75 b6 96 98 ff ff ff ff <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 # [ 73.579275] RSP: 0018:ffff9ebf0212fdf8 EFLAGS: 00010246 # [ 73.585106] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 73.593076] RDX: 0000000000000000 RSI: ffff8f1b3bc9bf70 RDI: ffff8f1b3bc9bf70 # [ 73.601033] RBP: ffff9ebf0212fe18 R08: 0000000000000000 R09: 0000000000000000 # [ 73.608987] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b # [ 73.616953] R13: ffff9ebf0212ff10 R14: ffff9ebf0212ff10 R15: ffff8f1ac3143000 # [ 73.624925] FS: 00007f7ada3c5580(0000) GS:ffff8f1b3bc80000(0000) knlGS:0000000000000000 # [ 73.633966] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 73.640377] CR2: ffff9ebf0212fe18 CR3: 00000001059a2000 CR4: 00000000003506e0 # [ 73.648334] Call Trace: # [ 73.651078] ? execute_location+0x48/0x56 # [ 73.655560] ? lkdtm_EXEC_STACK+0x26/0x44 # [ 73.660042] ? direct_entry.cold+0x2c/0x38 # [ 73.664624] ? full_proxy_write+0x56/0x80 # [ 73.669107] ? vfs_write+0xea/0x3a0 # [ 73.673007] ? ksys_write+0x68/0xf0 # [ 73.676901] ? do_syscall_64+0x33/0x40 # [ 73.681084] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 73.686923] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 73.702884] CR2: ffff9ebf0212fe18 # [ 73.706590] ---[ end trace 8c1e8df02166ac80 ]--- # [ 73.711749] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 73.716130] Code: 89 ff e8 de bc a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 80 03 74 02 # [ 73.737107] RSP: 001[ 74.848199] lkdtm: Performing direct entry EXEC_VMALLOC [ 74.854646] lkdtm: attempting ok execution at ffffffff982de560 8:ffff9ebf01377e60 EFLAGS: 00010286 # [ 73.742946] RAX: fffff[ 74.861171] lkdtm: attempting bad execution at ffff9ebf00673000 fff982de190 RBX: 0000000000000001 RCX: 0000000000000000 # [ 7[ 74.874022] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 74.888559] BUG: unable to handle page fault for address: ffff9ebf00673000 [ 74.896237] #PF: supervisor instruction fetch in kernel mode [ 74.902555] #PF: error_code(0x0011) - permissions violation [ 74.908776] PGD 100000067 P4D 100000067 PUD 100214067 PMD 104f4a067 PTE 8000000104c7d063 [ 74.917824] Oops: 0011 [#8] SMP PTI 3.750916] RDX: 0000000000000000 RSI: ffff8f1b3bd1bf70 RDI: fffff[ 74.921720] CPU: 1 PID: 1739 Comm: cat Tainted: G D W 5.10.136-cip13 #1 [ 74.936568] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 74.943177] RIP: 0010:0xffff9ebf00673000 [ 74.947561] Code: Unable to access opcode bytes at RIP 0xffff9ebf00672fd6. [ 74.955243] RSP: 0018:ffff9ebf0227fe38 EFLAGS: 00010246 [ 74.961075] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 74.969042] RDX: 0000000000000000 RSI: ffff8f1b3bc9bf70 RDI: ffff8f1b3bc9bf70 [ 74.977010] RBP: ffff9ebf00673000 R08: 0000000000000000 R09: 0000000000000000 [ 74.984979] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d [ 74.992943] R13: ffff9ebf0227ff10 R14: ffff9ebf0227ff10 R15: ffff8f1ac4c7d000 [ 75.000909] FS: 00007f0a36a12580(0000) GS:ffff8f1b3bc80000(0000) knlGS:0000000000000000 [ 75.009936] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 75.016345] CR2: ffff9ebf00672fd6 CR3: 00000001029a6000 CR4: 00000000003506e0 [ 75.024305] Call Trace: [ 75.027045] ? execute_location+0x48/0x56 [ 75.031533] ? lkdtm_EXEC_VMALLOC+0x20/0x30 [ 75.036201] ? direct_entry.cold+0x2c/0x38 [ 75.040781] ? full_proxy_write+0x56/0x80 [ 75.045254] ? vfs_write+0xea/0x3a0 [ 75.049147] ? ksys_write+0x68/0xf0 [ 75.053043] ? do_syscall_64+0x33/0x40 [ 75.057224] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 75.063060] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 75.079012] CR2: ffff9ebf00673000 [ 75.082717] ---[ end trace 8c1e8df02166ac82 ]--- [ 75.087876] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 75.092261] Code: 89 ff e8 de bc a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 80 03 74 02 [ 75.113217] RSP: 0018:ffff9ebf01377e60 EFLAGS: 00010286 [ 75.119050] RAX: ffffffff982de190 RBX: 0000000000000001 RCX: 0000000000000000 [ 75.127015] RDX: 0000000000000000 RSI: ffff8f1b3bd1bf70 RDI: ffffffff98ed9d30 [ 75.134970] RBP: ffffffff99323c60 R08: 0000000000000001 R09: 0000000000000001 [ 75.142928] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 75.150887] R13: ffff9ebf01377f10 R14: ffff9ebf01377f10 R15: ffff8f1ac2c02000 [ 75.158849] FS: 00007f0a36a12580(0000) GS:ffff8f1b3bc80000(0000) knlGS:0000000000000000 [ 75.167871] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 75.174276] CR2: ffff9ebf00672fd6 CR3: 00000001029a6000 CR4: 00000000003506e0 fff98ed9d30 # [ 73.758876] RBP: ffffffff99323c60 R08: 0000000000000001 R09: 0000000000000001 # [ 73.766846] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 73.774819] R13: ffff9ebf01377f10 R14: ffff9ebf01377f10 R15: ffff8f1ac2c02000 # [ 73.782789] FS: 00007f7ada3c5580(0000) GS:ffff8f1b3bc80000(0000) knlGS:0000000000000000 # [ 73.791820] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 73.798237] CR2: ffff9ebf0212fe18 CR3: 00000001059a2000 CR4: 00000000003506e0 # EXEC_STACK: saw 'call trace:': ok ok 31 selftests: lkdtm: EXEC_STACK.sh # selftests: lkdtm: EXEC_KMALLOC.sh # Killed # [ 74.051407] lkdtm: Performing direct entry EXEC_KMALLOC # [ 74.060499] lkdtm: attempting ok execution at ffffffff982de560 # [ 74.067061] lkdtm: attempting bad execution at ffff8f1ac3115540 # [ 74.073706] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 74.082069] BUG: unable to handle page fault for address: ffff8f1ac3115540 # [ 74.089751] #PF: supervisor instruction fetch in kernel mode # [ 74.102274] #PF: error_code(0x0011) - permissions violation # [ 74.108498] PGD 155a01067 P4D 155a01067 PUD 100893063 PMD 104ea4063 PTE 8000000103115163 # [ 74.123754] Oops: 0011 [#7] SMP PTI # [ 74.127651] CPU: 2 PID: 1703 Comm: cat Tainted: G D W 5.10.136-cip13 #1 # [ 74.142395] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 74.149004] RIP: 0010:0xffff8f1ac3115540 # [ 74.153384] Code: 00 00 02 00 00 00 00 00 00 00 80 65 72 c2 1a 8f ff ff 04 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 0b 24 b0 97 ff ff ff ff <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 # [ 74.174366] RSP: 0018:ffff9ebf021f7e38 EFLAGS: 00010246 # [ 74.180199] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 74.188172] RDX: 0000000000000000 RSI: ffff8f1b3bd1bf70 RDI: ffff8f1b3bd1bf70 # [ 74.196147] RBP: ffff8f1ac3115540 R08: 0000000000000000 R09: 0000000000000000 # [ 74.204112] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d # [ 74.212080] R13: ffff9ebf021f7f10 R14: ffff9ebf021f7f10 R15: ffff8f1ac3f14000 # [ 74.220043] FS: 00007f7d783c6580(0000) GS:ffff8f1b3bd00000(0000) knlGS:0000000000000000 # [ 74.229076] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 74.235488] CR2: ffff8f1ac3115540 CR3: 0000000104f1c000 CR4: 00000000003506e0 # [ 74.243460] Call Trace: # [ 74.246204] ? execute_location+0x48/0x56 # [ 74.250682] ? lkdtm_EXEC_KMALLOC+0x2c/0x40 # [ 75.429188] lkdtm: Performing direct entry EXEC_RODATA [ 74.255347] ? direct_entry.cold+0x2c/0x38 # [ 74.259921] [ 75.436421] lkdtm: attempting ok execution at ffffffff982de560 ? full_proxy_write+0x56/0x80 # [ 74.264398] ? vfs_write+0xe[ 75.449114] lkdtm: attempting bad execution at ffffffff98eda1c0 a/0x3a0 # [ 74.268295] ? ksys_write+0x68/0xf0 # [ 74.2721[ 75.461934] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 75.476471] BUG: unable to handle page fault for address: ffffffff98eda1c0 [ 75.484152] #PF: supervisor instruction fetch in kernel mode [ 75.490467] #PF: error_code(0x0011) - permissions violation [ 75.496690] PGD 154229067 P4D 154229067 PUD 15422a063 PMD 8000000153c001e1 [ 75.504485] Oops: 0011 [#9] SMP PTI [ 75.508384] CPU: 3 PID: 1775 Comm: cat Tainted: G D W 5.10.136-cip13 #1 [ 75.517019] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 75.523636] RIP: 0010:lkdtm_rodata_do_nothing+0x0/0x10 [ 75.529372] Code: ff ff e5 ca 96 98 ff ff ff ff 72 8b 2c 99 ff ff ff ff 2b b2 96 98 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 [ 75.550327] RSP: 0018:ffff9ebf0231fe48 EFLAGS: 00010246 [ 75.556162] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 [ 75.564120] RDX: 0000000000000000 RSI: ffff8f1b3bd9bf70 RDI: ffff8f1b3bd9bf70 [ 75.572073] RBP: ffffffff98eda1c0 R08: 0000000000000000 R09: 0000000000000000 [ 75.580042] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c [ 75.588012] R13: ffff9ebf0231ff10 R14: ffff9ebf0231ff10 R15: ffff8f1ac3e9b000 [ 75.595985] FS: 00007f61d6b76580(0000) GS:ffff8f1b3bd80000(0000) knlGS:0000000000000000 [ 75.605026] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 75.611445] CR2: ffffffff98eda1c0 CR3: 0000000104ffe000 CR4: 00000000003506e0 [ 75.619417] Call Trace: [ 75.622151] ? execute_location+0x48/0x56 [ 75.626628] ? direct_entry.cold+0x2c/0x38 [ 75.631209] ? full_proxy_write+0x56/0x80 [ 75.635689] ? vfs_write+0xea/0x3a0 [ 75.639585] ? ksys_write+0x68/0xf0 [ 75.643487] ? do_syscall_64+0x33/0x40 [ 75.647676] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 75.653523] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 75.669483] CR2: ffffffff98eda1c0 [ 75.673187] ---[ end trace 8c1e8df02166ac83 ]--- [ 75.678350] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 75.682731] Code: 89 ff e8 de bc a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 80 03 74 02 [ 75.703703] RSP: 0018:ffff9ebf01377e60 EFLAGS: 00010286 [ 75.709537] RAX: ffffffff982de190 RBX: 0000000000000001 RCX: 0000000000000000 [ 75.717499] RDX: 0000000000000000 RSI: ffff8f1b3bd1bf70 RDI: ffffffff98ed9d30 [ 75.725463] RBP: ffffffff99323c60 R08: 0000000000000001 R09: 0000000000000001 [ 75.733422] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 75.741375] R13: ffff9ebf01377f10 R14: ffff9ebf01377f10 R15: ffff8f1ac2c02000 [ 75.749336] FS: 00007f61d6b76580(0000) GS:ffff8f1b3bd80000(0000) knlGS:0000000000000000 [ 75.758358] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 75.764762] CR2: ffffffff98eda1c0 CR3: 0000000104ffe000 CR4: 00000000003506e0 [ 75.772716] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 75.782609] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1775, name: cat [ 75.791056] INFO: lockdep is turned off. [ 75.795430] irq event stamp: 0 [ 75.798839] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 75.805837] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 75.814971] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 75.824085] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 75.831075] CPU: 3 PID: 1775 Comm: cat Tainted: G D W 5.10.136-cip13 #1 [ 75.839710] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 75.846312] Call Trace: [ 75.849046] dump_stack+0x77/0x9b [ 75.852750] ___might_sleep.cold+0xa6/0xb6 [ 75.857320] exit_signals+0x1c/0x2e0 [ 75.861308] do_exit+0xd5/0xb00 [ 75.864809] ? ksys_write+0x68/0xf0 [ 75.868703] rewind_stack_do_exit+0x17/0x20 [ 75.873364] RIP: 0033:0x7f61d6a9ef33 [ 75.877349] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 75.898268] RSP: 002b:00007ffec21d3ec8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 75.906700] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f61d6a9ef33 [ 75.914661] RDX: 000000000000000c RSI: 00007f61d698f000 RDI: 0000000000000001 [ 75.922626] RBP: 00007f61d698f000 R08: 00007f61d698e010 R09: 0000000000000000 [ 75.930586] R10: 00007f61d6b991c0 R11: 0000000000000246 R12: 0000000000000001 [ 75.938539] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 92] ? do_syscall_64+0x33/0x40 # [ 74.276383] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 74.282226] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 74.298176] CR2: ffff8f1ac3115540 # [ 74.301880] ---[ end trace 8c1e8df02166ac81 ]--- # [ 74.307041] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 74.311416] Code: 89 ff e8 de bc a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 80 03 74 02 # [ 74.332375] RSP: 0018:ffff9ebf01377e60 EFLAGS: 00010286 # [ 74.338204] RAX: ffffffff982de190 RBX: 0000000000000001 RCX: 0000000000000000 # [ 74.346171] RDX: 0000000000000000 RSI: ffff8f1b3bd1bf70 RDI: ffffffff98ed9d30 # [ 74.354140] RBP: ffffffff99323c60 R08: 0000000000000001 R09: 0000000000000001 # [ 74.362113] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 74.370084] R13: ffff9ebf01377f10 R14: ffff9ebf01377f10 R15: ffff8f1ac2c02000 # [ 74.378054] FS: 00007f7d783c6580(0000) GS:ffff8f1b3bd00000(0000) knlGS:0000000000000000 # [ 74.387085] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 74.393502] CR2: ffff8f1ac3115540 CR3: 0000000104f1c000 CR4: 00000000003506e0 # [ 74.401466] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 74.411377] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1703, name: cat # [ 74.419818] INFO: lockdep is turned off. # [ 74.424192] irq event stamp: 0 # [ 74.427595] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 74.434584] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 74.443702] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 74.452823] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 74.459820] CPU: 2 PID: 1703 Comm: cat Tainted: G D W 5.10.136-cip13 #1 # [ 74.468463] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 74.475060] Call Trace: # [ 74.477789] dump_stack+0x77/0x9b # [ 74.481491] ___might_sleep.cold+0xa6/0xb6 # [ 74.486069] exit_signals+0x1c/0x2e0 # [ 74.490063] do_exit+0xd5/0xb00 # [ 74.493575] ? ksys_write+0x68/0xf0 # [ 74.497476] rewind_stack_do_exit+0x17/0x20 # [ 74.502149] RIP: 0033:0x7f7d782eef33 # [ 74.506144] 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 # [ 74.527127] RSP: 002b:00007ffc6e839588 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 74.535587] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007f7d782eef33 # [ 74.543556] RDX: 000000000000000d RSI: 00007f7d781df000 RDI: 0000000000000001 # [ 7[ 76.231638] lkdtm: Performing direct entry EXEC_USERSPACE [ 76.237996] lkdtm: attempting ok execution at ffffffff982de560 [ 76.244558] lkdtm: attempting bad execution at 00007fd567bb1000 4.551529] RBP: 00007f7d781df000 R08: 00007f7d781de010 R09: 00000[ 76.251238] unable to execute userspace code (SMEP?) (uid: 0) [ 76.263805] BUG: unable to handle page fault for address: 00007fd567bb1000 [ 76.271470] #PF: supervisor instruction fetch in kernel mode [ 76.277778] #PF: error_code(0x0011) - permissions violation 00000000000 # [ 74.559504] R10: 00007f7d783e91c0 R11: 0000000[ 76.283990] PGD 8000000103d6a067 P4D 8000000103d6a067 PUD 104bb0067 PMD 105b80067 PTE 1139d2067 [ 76.299891] Oops: 0011 [#10] SMP PTI [00 0000246 R12: 0000000000000001 # [ 74.567476] R13: 00000000 76.303874] CPU: 1 PID: 1811 Comm: cat Tainted: G D W 5.10.136-cip13 #1 [ 76.318629] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 76.325242] RIP: 0010:0x7fd567bb1000 [ 76.329232] Code: Unable to access opcode bytes at RIP 0x7fd567bb0fd6. [ 76.336512] RSP: 0018:ffff9ebf0237fe50 EFLAGS: 00010246 [ 76.342349] RAX: 0000000000000033 RBX: 0000000000000024 RCX: 0000000000000000 [ 76.350316] RDX: 0000000000000000 RSI: ffff8f1b3bc9bf70 RDI: ffff8f1b3bc9bf70 [ 76.358285] RBP: 00007fd567bb1000 R08: 0000000000000000 R09: 0000000000000000 [ 76.366258] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000f [ 76.374228] R13: ffff9ebf0237ff10 R14: ffff9ebf0237ff10 R15: ffff8f1ac4f1c000 [ 76.382204] FS: 00007fd567b82580(0000) GS:ffff8f1b3bc80000(0000) knlGS:0000000000000000 [ 76.391246] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 76.397665] CR2: 00007fd567bb1000 CR3: 0000000100e48000 CR4: 00000000003506e0 [ 76.405637] Call Trace: [ 76.408384] ? lkdtm_EXEC_USERSPACE.cold+0x69/0xae [ 76.413740] ? direct_entry.cold+0x2c/0x38 [ 76.418322] ? full_proxy_write+0x56/0x80 [ 76.422803] ? vfs_write+0xea/0x3a0 [ 76.426695] ? ksys_write+0x68/0xf0 [ 76.430592] ? do_syscall_64+0x33/0x40 [ 76.434780] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 76.440628] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 76.456590] CR2: 00007fd567bb1000 [ 76.460294] ---[ end trace 8c1e8df02166ac84 ]--- [ 76.465454] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 76.469837] Code: 89 ff e8 de bc a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 80 03 74 02 [ 76.490805] RSP: 0018:ffff9ebf01377e60 EFLAGS: 00010286 [ 76.496631] RAX: ffffffff982de190 RBX: 0000000000000001 RCX: 0000000000000000 [ 76.504595] RDX: 0000000000000000 RSI: ffff8f1b3bd1bf70 RDI: ffffffff98ed9d30 [ 76.512566] RBP: ffffffff99323c60 R08: 0000000000000001 R09: 0000000000000001 [ 76.520539] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 76.528510] R13: ffff9ebf01377f10 R14: ffff9ebf01377f10 R15: ffff8f1ac2c02000 [ 76.536480] FS: 00007fd567b82580(0000) GS:ffff8f1b3bc80000(0000) knlGS:0000000000000000 [ 76.545514] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 76.551920] CR2: 00007fd567bb1000 CR3: 0000000100e48000 CR4: 00000000003506e0 0000001 R14: 0000000000020000 R15: 0000000000020000 # EXEC_KMALLOC: saw 'call trace:': ok ok 32 selftests: lkdtm: EXEC_KMALLOC.sh # selftests: lkdtm: EXEC_VMALLOC.sh # Killed # [ 74.848199] lkdtm: Performing direct entry EXEC_VMALLOC # [ 74.854646] lkdtm: attempting ok execution at ffffffff982de560 # [ 74.861171] lkdtm: attempting bad execution at ffff9ebf00673000 # [ 74.874022] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 74.888559] BUG: unable to handle page fault for address: ffff9ebf00673000 # [ 74.896237] #PF: supervisor instruction fetch in kernel mode # [ 74.902555] #PF: error_code(0x0011) - permissions violation # [ 74.908776] PGD 100000067 P4D 100000067 PUD 100214067 PMD 104f4a067 PTE 8000000104c7d063 # [ 74.917824] Oops: 0011 [#8] SMP PTI # [ 74.921720] CPU: 1 PID: 1739 Comm: cat Tainted: G D W 5.10.136-cip13 #1 # [ 74.936568] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 74.943177] RIP: 0010:0xffff9ebf00673000 # [ 74.947561] Code: Unable to access opcode bytes at RIP 0xffff9ebf00672fd6. # [ 74.955243] RSP: 0018:ffff9ebf0227fe38 EFLAGS: 00010246 # [ 74.961075] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 74.969042] RDX: 0000000000000000 RSI: ffff8f1b3bc9bf70 RDI: ffff8f1b3bc9bf70 # [ 74.977010] RBP: ffff9ebf00673000 R08: 0000000000000000 R09: 0000000000000000 # [ 74.984979] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d # [ 74.992943] R13: ffff9ebf0227ff10 R14: ffff9ebf0227ff10 R15: ffff8f1ac4c7d000 # [ 75.000909] FS: 00007f0a36a12580(0000) GS:ffff8f1b3bc80000(0000) knlGS:0000000000000000 # [ 75.009936] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 75.016345] CR2: ffff9ebf00672fd6 CR3: 00000001029a6000 CR4: 00000000003506e0 # [ 75.024305] Call Trace: # [ 75.027045] ? execute_location+0x48/0x56 # [ 75.031533] ? lkdtm_EXEC_VMALLOC+0x20/0x30 # [ 75.036201] ? direct_entry.cold+0x2c/0x38 # [ 75.040781] ? full_proxy_write+0x56/0x80 # [ 75.045254] ? vfs_write+0xea/0x3a0 # [ 75.049147] ? ksys_write+0x68/0xf0 # [ 75.053043] ? do_syscall_64+0x33/0x40 # [ 75.057224] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 75.063060] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 75.079012] CR2: ffff9ebf00673000 # [ 75.082717] ---[ end trace 8c1e8df02166ac82 ]--- # [ 75.087876] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 75.092261] Code: 89 ff e8 de bc a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff f[ 76.814506] lkdtm: Performing direct entry EXEC_NULL [ 76.826134] lkdtm: attempting ok execution at ffffffff982de560 [ 76.832677] lkdtm: attempting bad execution at 0000000000000000 [ 76.839324] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 76.847102] #PF: supervisor instruction fetch in kernel mode f eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f [ 76.853418] #PF: error_code(0x0010) - not-present page [ 76.865366] PGD 0 P4D 0 [ 76.868201] Oops: 0010 [#11] SMP PTI [ 76.872192] CPU: 2 PID: 1847 Comm: cat Tainted: G D W 5.10.136-cip13 #1 [ 76.880838] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 76.887454] RIP: 0010:0x0 [ 76.890382] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6. [ 76.898047] RSP: 0018:ffff9ebf02417e48 EFLAGS: 00010246 [ 76.903887] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 [ 76.911850] RDX: 0000000000000000 RSI: ffff8f1b3bd1bf70 RDI: ffff8f1b3bd1bf70 [ 76.919814] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 76.927776] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a [ 76.935739] R13: ffff9ebf02417f10 R14: ffff9ebf02417f10 R15: ffff8f1ac4ec8000 [ 76.943697] FS: 00007f5e68899580(0000) GS:ffff8f1b3bd00000(0000) knlGS:0000000000000000 [ 76.952721] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 76.959133] CR2: ffffffffffffffd6 CR3: 000000010317c000 CR4: 00000000003506e0 [ 76.967099] Call Trace: [ 76.969839] execute_location+0x48/0x56 [ 76.974120] direct_entry.cold+0x2c/0x38 [ 76.978509] full_proxy_write+0x56/0x80 [ 76.982796] vfs_write+0xea/0x3a0 [ 76.986497] ksys_write+0x68/0xf0 [ 76.990204] do_syscall_64+0x33/0x40 [ 76.994193] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 76.999829] RIP: 0033:0x7f5e687c1f33 [ 77.003814] 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 [ 77.024766] RSP: 002b:00007ffe3139eb88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 77.033215] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f5e687c1f33 [ 77.041170] RDX: 000000000000000a RSI: 00007f5e686b2000 RDI: 0000000000000001 [ 77.049126] RBP: 00007f5e686b2000 R08: 00007f5e686b1010 R09: 0000000000000000 [ 77.057082] R10: 00007f5e688bc1c0 R11: 0000000000000246 R12: 0000000000000001 [ 77.065035] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 77.072999] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 77.088944] CR2: 0000000000000000 [ 77.092643] ---[ end trace 8c1e8df02166ac85 ]--- [ 77.097795] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 77.102167] Code: 89 ff e8 de bc a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 80 03 74 02 [ 77.123114] RSP: 0018:ffff9ebf01377e60 EFLAGS: 00010286 [ 77.128930] RAX: ffffffff982de190 RBX: 0000000000000001 RCX: 0000000000000000 [ 77.136891] RDX: 0000000000000000 RSI: ffff8f1b3bd1bf70 RDI: ffffffff98ed9d30 [ 77.144854] RBP: ffffffff99323c60 R08: 0000000000000001 R09: 0000000000000001 [ 77.152813] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 77.160769] R13: ffff9ebf01377f10 R14: ffff9ebf01377f10 R15: ffff8f1ac2c02000 [ 77.168725] FS: 00007f5e68899580(0000) GS:ffff8f1b3bd00000(0000) knlGS:0000000000000000 [ 77.177747] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 77.184156] CR2: ffffffffffffffd6 CR3: 000000010317c000 CR4: 00000000003506e0 [ 77.192111] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 77.202001] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1847, name: cat [ 77.210440] INFO: lockdep is turned off. [ 77.214815] irq event stamp: 0 [ 77.218220] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 77.225208] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 77.234317] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 77.243441] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 77.250435] CPU: 2 PID: 1847 Comm: cat Tainted: G D W 5.10.136-cip13 #1 [ 77.259076] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 77.265677] Call Trace: [ 77.268406] dump_stack+0x77/0x9b [ 77.272105] ___might_sleep.cold+0xa6/0xb6 [ 77.276675] exit_signals+0x1c/0x2e0 [ 77.280671] do_exit+0xd5/0xb00 [ 77.284178] ? ksys_write+0x68/0xf0 [ 77.288077] rewind_stack_do_exit+0x17/0x20 [ 77.292746] RIP: 0033:0x7f5e687c1f33 [ 77.296738] 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 [ 77.317685] RSP: 002b:00007ffe3139eb88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 77.326139] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f5e687c1f33 [ 77.334104] RDX: 000000000000000a RSI: 00007f5e686b2000 RDI: 0000000000000001 [ 77.342059] RBP: 00007f5e686b2000 R08: 00007f5e686b1010 R09: 0000000000000000 [ 77.350018] R10: 00007f5e688bc1c0 R11: 0000000000000246 R12: 0000000000000001 [ 77.357977] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 44 00 00 83 05 80 03 74 02 # [ 75.113217] RSP: 0018:ffff9ebf01377e60 EFLAGS: 00010286 # [ 75.119050] RAX: ffffffff982de190 RBX: 0000000000000001 RCX: 0000000000000000 # [ 75.127015] RDX: 0000000000000000 RSI: ffff8f1b3bd1bf70 RDI: ffffffff98ed9d30 # [ 75.134970] RBP: ffffffff99323c60 R08: 0000000000000001 R09: 0000000000000001 # [ 75.142928] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 75.150887] R13: ffff9ebf01377f10 R14: ffff9ebf01377f10 R15: ffff8f1ac2c02000 # [ 75.158849] FS: 00007f0a36a12580(0000) GS:ffff8f1b3bc80000(0000) knlGS:0000000000000000 # [ 75.167871] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 75.174276] CR2: ffff9ebf00672fd6 CR3: 00000001029a6000 CR4: 00000000003506e0 # EXEC_VMALLOC: saw 'call trace:': ok ok 33 selftests: lkdtm: EXEC_VMALLOC.sh # selftests: lkdtm: EXEC_RODATA.sh # Killed # [ 75.429188] lkdtm: Performing direct entry EXEC_RODATA # [ 75.436421] lkdtm: attempting ok execution at ffffffff982de560 # [ 75.449114] lkdtm: attempting bad execution at ffffffff98eda1c0 # [ 75.461934] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 75.476471] BUG: unable to handle page fault for address: ffffffff98eda1c0 # [ 75.484152] #PF: supervisor instruction fetch in kernel mode # [ 75.490467] #PF: error_code(0x0011) - permissions violation # [ 75.496690] PGD 154229067 P4D 154229067 PUD 15422a063 PMD 8000000153c001e1 # [ 75.504485] Oops: 0011 [#9] SMP PTI # [ 75.508384] CPU: 3 PID: 1775 Comm: cat Tainted: G D W 5.10.136-cip13 #1 # [ 75.517019] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 75.523636] RIP: 0010:lkdtm_rodata_do_nothing+0x0/0x10 # [ 75.529372] Code: ff ff e5 ca 96 98 ff ff ff ff 72 8b 2c 99 ff ff ff ff 2b b2 96 98 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 # [ 75.550327] RSP: 0018:ffff9ebf0231fe48 EFLAGS: 00010246 # [ 75.556162] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 # [ 75.564120] RDX: 0000000000000000 RSI: ffff8f1b3bd9bf70 RDI: ffff8f1b3bd9bf70 # [ 75.572073] RBP: ffffffff98eda1c0 R08: 0000000000000000 R09: 0000000000000000 # [ 75.580042] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c # [ 75.588012] R13: ffff9ebf0231ff10 R14: ffff9ebf0231ff10 R15: ffff8f1ac3e9b000 # [ 75.595985] FS: 00007f61d6b76580(0000) GS:ffff8f1b3bd80000(0000) knlGS:0000000000000000 # [ 75.605026] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 75.611445] CR2: ffffffff98eda1c0 CR3: 0000000104ffe000 CR4: 00000000003506e0 # [ 75.619417] Call Trace: # [ 75.622151] ? execute_location+0x48/0x56 # [ 75.626628] ? direct_entry.cold+0x2c/0x38 # [ 75.631209] ? full_proxy_write+0x56/0x80 # [ 75.635689] ? vfs_write+0xea/0x3a0 # [ 75.639585] ? ksys_write+0x68/0xf0 # [ 75.643487] ? do_syscall_64+0x33/0x40 # [ 75.647676] ? entry_[ 77.657349] lkdtm: Performing direct entry ACCESS_USERSPACE [ 77.663967] lkdtm: attempting bad read at 00007f2682f28000 [ 77.670151] BUG: unable to handle page fault for address: 00007f2682f28000 [ 77.677825] #PF: supervisor read access in kernel mode SYSCALL_64_after_hwframe+0x61/0xc6 # [ 75.653523] Modules lin[ 77.683556] #PF: error_code(0x0001) - permissions violation ked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_[ 77.695985] PGD 80000001029c9067 P4D 80000001029c9067 PUD 103e83067 PMD 103ec2067 PTE 113948067 [ 77.711915] Oops: 0001 [#12] SMP PTI sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbp[ 77.715913] CPU: 2 PID: 1882 Comm: cat Tainted: G D W 5.10.136-cip13 #1 [ 77.730756] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 77.737378] RIP: 0010:lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3 [ 77.743608] Code: 00 00 00 75 64 48 83 c4 10 5d c3 cc cc cc cc 48 89 ee 48 c7 c7 90 98 2c 99 e8 19 9a fd ff 48 c7 c7 b8 98 2c 99 b8 de c0 de c0 <48> 03 45 00 48 89 04 24 e8 00 9a fd ff 48 89 ee 48 c7 c7 e0 98 2c [ 77.764582] RSP: 0018:ffff9ebf024a7e48 EFLAGS: 00010246 [ 77.770415] RAX: 00000000c0dec0de RBX: 0000000000000026 RCX: 0000000000000000 [ 77.778373] RDX: 0000000000000000 RSI: ffff8f1b3bd1bf70 RDI: ffffffff992c98b8 [ 77.786326] RBP: 00007f2682f28000 R08: 0000000000000000 R09: 0000000000000000 [ 77.794278] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000011 [ 77.802248] R13: ffff9ebf024a7f10 R14: ffff9ebf024a7f10 R15: ffff8f1ac5ba8000 [ 77.810216] FS: 00007f2682ef9580(0000) GS:ffff8f1b3bd00000(0000) knlGS:0000000000000000 [ 77.819251] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 77.825666] CR2: 00007f2682f28000 CR3: 0000000105a3e000 CR4: 00000000003506e0 [ 77.833639] Call Trace: [ 77.836385] direct_entry.cold+0x2c/0x38 [ 77.840776] full_proxy_write+0x56/0x80 [ 77.845067] vfs_write+0xea/0x3a0 [ 77.848772] ksys_write+0x68/0xf0 [ 77.852480] do_syscall_64+0x33/0x40 [ 77.856471] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 77.862116] RIP: 0033:0x7f2682e21f33 [ 77.866113] 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 [ 77.887093] RSP: 002b:00007ffdbbcb8008 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 77.895555] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007f2682e21f33 [ 77.903527] RDX: 0000000000000011 RSI: 00007f2682d12000 RDI: 0000000000000001 [ 77.911500] RBP: 00007f2682d12000 R08: 00007f2682d11010 R09: 0000000000000000 [ 77.919473] R10: 00007f2682f1c1c0 R11: 0000000000000246 R12: 0000000000000001 [ 77.927447] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 77.935429] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 77.951397] CR2: 00007f2682f28000 [ 77.955102] ---[ end trace 8c1e8df02166ac86 ]--- [ 77.960265] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 77.964642] Code: 89 ff e8 de bc a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 80 03 74 02 [ 77.985621] RSP: 0018:ffff9ebf01377e60 EFLAGS: 00010286 [ 77.991461] RAX: ffffffff982de190 RBX: 0000000000000001 RCX: 0000000000000000 [ 77.999434] RDX: 0000000000000000 RSI: ffff8f1b3bd1bf70 RDI: ffffffff98ed9d30 [ 78.007407] RBP: ffffffff99323c60 R08: 0000000000000001 R09: 0000000000000001 [ 78.015380] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 78.023353] R13: ffff9ebf01377f10 R14: ffff9ebf01377f10 R15: ffff8f1ac2c02000 [ 78.031325] FS: 00007f2682ef9580(0000) GS:ffff8f1b3bd00000(0000) knlGS:0000000000000000 [ 78.040368] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 78.046787] CR2: 00007f2682f28000 CR3: 0000000105a3e000 CR4: 00000000003506e0 d_notify # [ 75.669483] CR2: ffffffff98eda1c0 # [ 75.673187] ---[ end trace 8c1e8df02166ac83 ]--- # [ 75.678350] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 75.682731] Code: 89 ff e8 de bc a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 80 03 74 02 # [ 75.703703] RSP: 0018:ffff9ebf01377e60 EFLAGS: 00010286 # [ 75.709537] RAX: ffffffff982de190 RBX: 0000000000000001 RCX: 0000000000000000 # [ 75.717499] RDX: 0000000000000000 RSI: ffff8f1b3bd1bf70 RDI: ffffffff98ed9d30 # [ 75.725463] RBP: ffffffff99323c60 R08: 0000000000000001 R09: 0000000000000001 # [ 75.733422] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 75.741375] R13: ffff9ebf01377f10 R14: ffff9ebf01377f10 R15: ffff8f1ac2c02000 # [ 75.749336] FS: 00007f61d6b76580(0000) GS:ffff8f1b3bd80000(0000) knlGS:0000000000000000 # [ 75.758358] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 75.764762] CR2: ffffffff98eda1c0 CR3: 0000000104ffe000 CR4: 00000000003506e0 # [ 75.772716] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 75.782609] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1775, name: cat # [ 75.791056] INFO: lockdep is turned off. # [ 75.795430] irq event stamp: 0 # [ 75.798839] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 75.805837] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 75.814971] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 75.824085] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 75.831075] CPU: 3 PID: 1775 Comm: cat Tainted: G D W 5.10.136-cip13 #1 # [ 75.839710] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 75.846312] Call Trace: # [ 75.849046] dump_stack+0x77/0x9b # [ 75.852750] ___might_sleep.cold+0xa6/0xb6 # [ 75.857320] exit_signals+0x1c/0x2e0 # [ 75.861308] do_exit+0xd5/0xb00 # [ 75.864809] ? ksys_write+0x68/0xf0 # [ 75.868703] rewind_stack_do_exit+0x17/0x20 # [ 75.873364] RIP: 0033:0x7f61d6a9ef33 # [ 75.877349] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 75.898268] RSP: 002b:00007ffec21d3ec8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 75.906700] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f61d6a9ef33 # [ 75.914661] RDX: 000000000000000c RSI: 00007f61d698f000 RDI: 0000000000000001 # [ 75.922626] RBP: 00007f61d698f000 R08: 00007f61d698e010 R09: 0000000000000000 # [ 75.930586] R10: 00007f61d6b991c0 R11: 0000000000000246 R12: 0000000000000001 # [ 75.938539] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # EXE[ 78.337400] lkdtm: Performing direct entry ACCESS_NULL [ 78.346370] lkdtm: attempting bad read at 0000000000000000 [ 78.352541] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 78.360326] #PF: supervisor read access in kernel mode C_RODATA: saw 'call trace:': ok ok 34 selftests: lkdtm: EXEC_RO[ 78.366068] #PF: error_code(0x0000) - not-present page DATA.sh # selftests: lkdtm: EXEC_USERSPACE.sh # Killed # [ [ 78.378011] PGD 0 P4D 0 [ 78.387045] Oops: 0000 [#13] SMP PTI 76[.231638] lkdtm: Performing direct entry EXEC_USERSPACE # [ 78.391040] CPU: 2 PID: 1917 Comm: cat Tainted: G D W 5.10.136-cip13 #1 [ 78.405909] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 78.412533] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53 [ 78.417791] Code: bd 99 fd ff be 00 10 00 00 48 89 ef e8 30 b9 39 ff e9 69 ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 90 98 2c 99 e8 97 99 fd ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 b8 98 2c 99 48 01 [ 78.438771] RSP: 0018:ffff9ebf024afe58 EFLAGS: 00010246 [ 78.444612] RAX: 000000000000002e RBX: 0000000000000027 RCX: 0000000000000000 [ 78.452580] RDX: 0000000000000000 RSI: ffff8f1b3bd1bf70 RDI: ffff8f1b3bd1bf70 [ 78.460545] RBP: ffffffff992c8981 R08: 0000000000000000 R09: 0000000000000000 [ 78.468510] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c [ 78.476471] R13: ffff9ebf024aff10 R14: ffff9ebf024aff10 R15: ffff8f1ac3f56000 [ 78.484431] FS: 00007f3b6228e580(0000) GS:ffff8f1b3bd00000(0000) knlGS:0000000000000000 [ 78.493466] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 78.499879] CR2: 0000000000000000 CR3: 0000000103bc4000 CR4: 00000000003506e0 [ 78.507839] Call Trace: [ 78.510579] direct_entry.cold+0x2c/0x38 [ 78.514969] full_proxy_write+0x56/0x80 [ 78.519260] vfs_write+0xea/0x3a0 [ 78.522960] ksys_write+0x68/0xf0 [ 78.526665] do_syscall_64+0x33/0x40 [ 78.530656] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 78.536291] RIP: 0033:0x7f3b621b6f33 [ 78.540280] 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 [ 78.561216] RSP: 002b:00007ffe49d98188 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 78.569670] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f3b621b6f33 [ 78.577635] RDX: 000000000000000c RSI: 00007f3b620a7000 RDI: 0000000000000001 [ 78.585606] RBP: 00007f3b620a7000 R08: 00007f3b620a6010 R09: 0000000000000000 [ 78.593569] R10: 00007f3b622b11c0 R11: 0000000000000246 R12: 0000000000000001 [ 78.601530] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 78.609511] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 78.625468] CR2: 0000000000000000 [ 78.629173] ---[ end trace 8c1e8df02166ac87 ]--- [ 78.634338] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 78.638722] Code: 89 ff e8 de bc a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 80 03 74 02 [ 78.659701] RSP: 0018:ffff9ebf01377e60 EFLAGS: 00010286 [ 78.665540] RAX: ffffffff982de190 RBX: 0000000000000001 RCX: 0000000000000000 [ 78.673514] RDX: 0000000000000000 RSI: ffff8f1b3bd1bf70 RDI: ffffffff98ed9d30 [ 78.681483] RBP: ffffffff99323c60 R08: 0000000000000001 R09: 0000000000000001 [ 78.689456] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 78.697420] R13: ffff9ebf01377f10 R14: ffff9ebf01377f10 R15: ffff8f1ac2c02000 [ 78.705390] FS: 00007f3b6228e580(0000) GS:ffff8f1b3bd00000(0000) knlGS:0000000000000000 [ 78.714429] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 78.720849] CR2: 0000000000000000 CR3: 0000000103bc4000 CR4: 00000000003506e0 [ 78.728819] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 78.738713] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1917, name: cat [ 78.747169] INFO: lockdep is turned off. [ 78.751549] irq event stamp: 0 [ 78.754956] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 78.761961] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 78.771094] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 78.780219] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 78.787223] CPU: 2 PID: 1917 Comm: cat Tainted: G D W 5.10.136-cip13 #1 [ 78.795869] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 78.802477] Call Trace: [ 78.805211] dump_stack+0x77/0x9b [ 78.808915] ___might_sleep.cold+0xa6/0xb6 [ 78.813486] exit_signals+0x1c/0x2e0 [ 78.817482] do_exit+0xd5/0xb00 [ 78.820992] ? ksys_write+0x68/0xf0 [ 78.824887] rewind_stack_do_exit+0x17/0x20 [ 78.829557] RIP: 0033:0x7f3b621b6f33 [ 78.833550] 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 [ 78.854523] RSP: 002b:00007ffe49d98188 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 78.862976] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f3b621b6f33 [ 78.870949] RDX: 000000000000000c RSI: 00007f3b620a7000 RDI: 0000000000000001 [ 78.878920] RBP: 00007f3b620a7000 R08: 00007f3b620a6010 R09: 0000000000000000 [ 78.886894] R10: 00007f3b622b11c0 R11: 0000000000000246 R12: 0000000000000001 [ 78.894864] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 76.237996] lkdtm: attempting ok execution at ffffffff982de560 # [ 76.244558] lkdtm: attempting bad execution at 00007fd567bb1000 # [ 76.251238] unable to execute userspace code (SMEP?) (uid: 0) # [ 76.263805] BUG: unable to handle page fault for address: 00007fd567bb1000 # [ 76.271470] #PF: supervisor instruction fetch in kernel mode # [ 76.277778] #PF: error_code(0x0011) - permissions violation # [ 76.283990] PGD 8000000103d6a067 P4D 8000000103d6a067 PUD 104bb0067 PMD 105b80067 PTE 1139d2067 # [ 76.299891] Oops: 0011 [#10] SMP PTI # [ 76.303874] CPU: 1 PID: 1811 Comm: cat Tainted: G D W 5.10.136-cip13 #1 # [ 76.318629] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 76.325242] RIP: 0010:0x7fd567bb1000 # [ 76.329232] Code: Unable to access opcode bytes at RIP 0x7fd567bb0fd6. # [ 76.336512] RSP: 0018:ffff9ebf0237fe50 EFLAGS: 00010246 # [ 76.342349] RAX: 0000000000000033 RBX: 0000000000000024 RCX: 0000000000000000 # [ 76.350316] RDX: 0000000000000000 RSI: ffff8f1b3bc9bf70 RDI: ffff8f1b3bc9bf70 # [ 76.358285] RBP: 00007fd567bb1000 R08: 0000000000000000 R09: 0000000000000000 # [ 76.366258] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000f # [ 76.374228] R13: ffff9ebf0237ff10 R14: ffff9ebf0237ff10 R15: ffff8f1ac4f1c000 # [ 76.382204] FS: 00007fd567b82580(0000) GS:ffff8f1b3bc80000(0000) knlGS:0000000000000000 # [ 76.391246] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 76.397665] CR2: 00007fd567bb1000 CR3: 0000000100e48000 CR4: 00000000003506e0 # [ 76.405637] Call Trace: # [ 76.408384] ? lkdtm_EXEC_USERSPACE.cold+0x69/0xae # [ 76.413740] ? direct_entry.cold+0x2c/0x38 # [ 76.418322] ? full_proxy_write+0x56/0x80 # [ 76.422803] ? vfs_write+0xea/0x3a0 # [ 76.426695] ? ksys_write+0x68/0xf0 # [ 76.430592] ? do_syscall_64+0x33/0x40 # [ 76.434780] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 76.440628] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 76.456590] CR2: 00007fd567bb1000 # [ 76.460294] ---[ end trace 8c1e8df02166ac84 ]--- # [ 76.465454] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 76.469837] Code: 89 ff e8 de bc a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 80 03 74 02 # [ 76.490805] RSP: 0018:ffff9ebf01377e60 EFLAGS: 00010286 # [ 76.496631] RAX: ffffffff982de190 RBX: 0000000000000001 RCX: 0000000000000000 # [ 76.504595] RDX: 0000000000000000 RSI: ffff8f1b3bd1bf70 RDI: ffffffff98ed9d30 # [ 76.512566] RBP: ffffffff99323c60 R08: 0000000000000001 R09: 0000000000000001 # [ 76.520539] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 76.528510] R13: ffff9ebf01377f10 R14: ffff9ebf01377f10 R15: ffff8f1ac2c02000 # [ 76.536480] FS: 00007fd567b82580(0000) GS:ffff8f1b3bc80000(0000) knlGS:0000000000000000 # [ 76.545514] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 76.551920] CR2: 00007fd567bb1000 CR3: 0000000100e48000 CR4: 00000000003506e0 # EXEC_USERSPACE: saw 'call trace:': ok ok 35 selftests: lkdtm:[ 79.216243] lkdtm: Performing direct entry WRITE_RO EXEC_USERSPACE.sh # selftests: lkdtm: EXEC_NULL.sh # Killed [ 79.224907] lkdtm: attempting bad rodata write at ffffffff98eda1b0 # [ 76.814506] lkdtm: Performing direct entry EXEC_NULL # [ [ 79.238081] BUG: unable to handle page fault for address: ffffffff98eda1b0 [ 79.251885] #PF: supervisor write access in kernel mode [ 79.257709] #PF: error_code(0x0003) - permissions violation [ 79.263920] PGD 154229067 P4D 154229067 PUD 15422a063 PMD 8000000153c001e1 [ 79.271712] Oops: 0003 [#14] SMP PTI [ 79.275696] CPU: 3 PID: 1952 Comm: cat Tainted: G D W 5.10.136-cip13 #1 [ 79.284336] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 79.290958] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a [ 79.295918] Code: 00 48 c7 c7 70 97 2c 99 48 c7 c6 b0 a1 ed 98 e8 41 9c fd ff 48 8b 05 3a ec 56 00 ba 34 12 cd ab 48 c7 c7 a0 97 2c 99 48 31 d0 <48> 89 05 24 ec 56 00 e9 1f 9c fd ff 0f 1f 44 00 00 48 8b 05 8b ad [ 79.316872] RSP: 0018:ffff9ebf02577e60 EFLAGS: 00010202 [ 79.322705] RAX: 000000000198b861 RBX: 0000000000000028 RCX: 0000000000000000 [ 79.330670] RDX: 00000000abcd1234 RSI: ffff8f1b3bd9bf70 RDI: ffffffff992c97a0 [ 79.338639] RBP: ffffffff992c898d R08: 0000000000000000 R09: 0000000000000000 [ 79.346609] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000009 [ 79.354568] R13: ffff9ebf02577f10 R14: ffff9ebf02577f10 R15: ffff8f1ac59c7000 [ 79.362534] FS: 00007f5a56e9e580(0000) GS:ffff8f1b3bd80000(0000) knlGS:0000000000000000 [ 79.371566] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 79.377981] CR2: ffffffff98eda1b0 CR3: 0000000103a2a000 CR4: 00000000003506e0 [ 79.385952] Call Trace: [ 79.388686] direct_entry.cold+0x2c/0x38 [ 79.393077] full_proxy_write+0x56/0x80 [ 79.397366] vfs_write+0xea/0x3a0 [ 79.401072] ksys_write+0x68/0xf0 [ 79.404779] do_syscall_64+0x33/0x40 [ 79.408774] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 79.414410] RIP: 0033:0x7f5a56dc6f33 [ 79.418402] 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 [ 79.439379] RSP: 002b:00007ffecc046368 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 79.447837] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f5a56dc6f33 [ 79.455800] RDX: 0000000000000009 RSI: 00007f5a56cb7000 RDI: 0000000000000001 [ 79.463772] RBP: 00007f5a56cb7000 R08: 00007f5a56cb6010 R09: 0000000000000000 [ 79.471744] R10: 00007f5a56ec11c0 R11: 0000000000000246 R12: 0000000000000001 [ 79.479704] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 79.487683] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 79.503631] CR2: ffffffff98eda1b0 [ 79.507332] ---[ end trace 8c1e8df02166ac88 ]--- [ 79.512486] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 79.516864] Code: 89 ff e8 de bc a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 80 03 74 02 [ 79.537836] RSP: 0018:ffff9ebf01377e60 EFLAGS: 00010286 [ 79.543673] RAX: ffffffff982de190 RBX: 0000000000000001 RCX: 0000000000000000 [ 79.551632] RDX: 0000000000000000 RSI: ffff8f1b3bd1bf70 RDI: ffffffff98ed9d30 [ 79.559597] RBP: ffffffff99323c60 R08: 0000000000000001 R09: 0000000000000001 [ 79.567551] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 79.575508] R13: ffff9ebf01377f10 R14: ffff9ebf01377f10 R15: ffff8f1ac2c02000 [ 79.583463] FS: 00007f5a56e9e580(0000) GS:ffff8f1b3bd80000(0000) knlGS:0000000000000000 [ 79.592491] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 79.598900] CR2: ffffffff98eda1b0 CR3: 0000000103a2a000 CR4: 00000000003506e0 76.826134] lkdtm: attempting ok execution at ffffffff982de560 # [ 76.832677] lkdtm: attempting bad execution at 0000000000000000 # [ 76.839324] BUG: kernel NULL pointer dereference, address: 0000000000000000 # [ 76.847102] #PF: supervisor instruction fetch in kernel mode # [ 76.853418] #PF: error_code(0x0010) - not-present page # [ 76.865366] PGD 0 P4D 0 # [ 76.868201] Oops: 0010 [#11] SMP PTI # [ 76.872192] CPU: 2 PID: 1847 Comm: cat Tainted: G D W 5.10.136-cip13 #1 # [ 76.880838] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 76.887454] RIP: 0010:0x0 # [ 76.890382] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6. # [ 76.898047] RSP: 0018:ffff9ebf02417e48 EFLAGS: 00010246 # [ 76.903887] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 # [ 76.911850] RDX: 0000000000000000 RSI: ffff8f1b3bd1bf70 RDI: ffff8f1b3bd1bf70 # [ 76.919814] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 # [ 76.927776] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 76.935739] R13: ffff9ebf02417f10 R14: ffff9ebf02417f10 R15: ffff8f1ac4ec8000 # [ 76.943697] FS: 00007f5e68899580(0000) GS:ffff8f1b3bd00000(0000) knlGS:0000000000000000 # [ 76.952721] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 76.959133] CR2: ffffffffffffffd6 CR3: 000000010317c000 CR4: 00000000003506e0 # [ 76.967099] Call Trace: # [ 76.969839] execute_location+0x48/0x56 # [ 76.974120] direct_entry.cold+0x2c/0x38 # [ 76.978509] full_proxy_write+0x56/0x80 # [ 76.982796] vfs_write+0xea/0x3a0 # [ 76.986497] ksys_write+0x68/0xf0 # [ 76.990204] do_syscall_64+0x33/0x40 # [ 76.994193] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 76.999829] RIP: 0033:0x7f5e687c1f33 # [ 77.003814] 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 # [ 77.024766] RSP: 002b:00007ffe3139eb88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 77.033215] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f5e687c1f33 # [ 77.041170] RDX: 000000000000000a RSI: 00007f5e686b2000 RDI: 0000000000000001 # [ 77.049126] RBP: 00007f5e686b2000 R08: 00007f5e686b1010 R09: 0000000000000000 # [ 77.057082] R10: 00007f5e688bc1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 77.065035] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 77.072999] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 77.088944] CR2: 0000000000000000 # [ 77.092643] ---[ end trace 8c1e8df02166ac85 ]--- # [ 77.097795] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 77.102167] Code: 89 ff e8 de bc a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 80 03 74 02 # [ 77.123114] RSP: 0018:ffff9ebf01377e60 EFLAGS: 00010286 # [ 77.128930] RAX: ffffffff982de190 RBX: 0000000000000001 RCX: 0000000000000000 # [ 77.136891] RDX: 0000000000000000 RSI: ffff8f1b3bd1bf70 RDI: ffffffff98ed9d30 # [ 77.144854] RBP: ffffffff99323c60 R08: 0000000000000001 R09: 0000000000000001 # [ 77.152813] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 77.160769] R13: ffff9ebf01377f10 R14: ffff9ebf0[ 79.946879] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT [ 79.954903] lkdtm: attempting bad ro_after_init write at ffffffff99346328 1377f10 R15: ffff8f1ac2c02000 # [ 77.168725] FS: 00007f5e688[ 79.962531] BUG: unable to handle page fault for address: ffffffff99346328 [ 79.976329] #PF: supervisor write access in kernel mode [ 79.982164] #PF: error_code(0x0003) - permissions violation 99580(0000) GS:ffff8f1b3bd00000(0000) knlGS:0000000000000000 # [ 79.988378] PGD 154229067 P4D 154229067 PUD 15422a063 PMD 104b53163 PTE 8000000154146061 [[ 77.177747] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 80.003616] Oops: 0003 [#15] SMP PTI [ 80.013806] CPU: 2 PID: 1988 Comm: cat Tainted: G D W 5.10.136-cip13 #1 [ 80.022439] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 80.029059] RIP: 0010:lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a [ 80.035089] Code: 97 2c 99 e9 f3 9b fd ff 48 c7 c7 f8 97 2c 99 e8 e7 9b fd ff 48 8b 05 58 ad 9d 00 ba 34 12 cd ab 48 c7 c7 a0 97 2c 99 48 31 d0 <48> 89 05 42 ad 9d 00 e9 c5 9b fd ff 0f 1f 44 00 00 41 54 48 c7 c7 [ 80.056028] RSP: 0018:ffff9ebf02637e60 EFLAGS: 00010202 [ 80.061857] RAX: 00000000fe67479e RBX: 0000000000000029 RCX: 0000000000000000 [ 80.069810] RDX: 00000000abcd1234 RSI: ffff8f1b3bd1bf70 RDI: ffffffff992c97a0 [ 80.077776] RBP: ffffffff992c8996 R08: 0000000000000000 R09: 0000000000000000 [ 80.085737] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000014 [ 80.093696] R13: ffff9ebf02637f10 R14: ffff9ebf02637f10 R15: ffff8f1ac311d000 [ 80.101661] FS: 00007fa6c890e580(0000) GS:ffff8f1b3bd00000(0000) knlGS:0000000000000000 [ 80.110680] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 80.117087] CR2: ffffffff99346328 CR3: 0000000103138000 CR4: 00000000003506e0 [ 80.125045] Call Trace: [ 80.127777] direct_entry.cold+0x2c/0x38 [ 80.132168] full_proxy_write+0x56/0x80 [ 80.136452] vfs_write+0xea/0x3a0 [ 80.140154] ksys_write+0x68/0xf0 [ 80.143860] do_syscall_64+0x33/0x40 [ 80.147852] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 80.153478] RIP: 0033:0x7fa6c8836f33 [ 80.157470] 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 [ 80.178439] RSP: 002b:00007ffe1892d6b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 80.186894] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007fa6c8836f33 [ 80.194858] RDX: 0000000000000014 RSI: 00007fa6c8727000 RDI: 0000000000000001 [ 80.202826] RBP: 00007fa6c8727000 R08: 00007fa6c8726010 R09: 0000000000000000 [ 80.210799] R10: 00007fa6c89311c0 R11: 0000000000000246 R12: 0000000000000001 [ 80.218768] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 80.226743] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 80.242688] CR2: ffffffff99346328 [ 80.246389] ---[ end trace 8c1e8df02166ac89 ]--- [ 80.251546] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 80.255928] Code: 89 ff e8 de bc a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 80 03 74 02 [ 80.276887] RSP: 0018:ffff9ebf01377e60 EFLAGS: 00010286 [ 80.282715] RAX: ffffffff982de190 RBX: 0000000000000001 RCX: 0000000000000000 [ 80.290678] RDX: 0000000000000000 RSI: ffff8f1b3bd1bf70 RDI: ffffffff98ed9d30 [ 80.298637] RBP: ffffffff99323c60 R08: 0000000000000001 R09: 0000000000000001 [ 80.306592] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 80.314545] R13: ffff9ebf01377f10 R14: ffff9ebf01377f10 R15: ffff8f1ac2c02000 [ 80.322507] FS: 00007fa6c890e580(0000) GS:ffff8f1b3bd00000(0000) knlGS:0000000000000000 [ 80.331525] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 80.337935] CR2: ffffffff99346328 CR3: 0000000103138000 CR4: 00000000003506e0 [ 80.345905] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 80.355795] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1988, name: cat [ 80.364239] INFO: lockdep is turned off. [ 80.368611] irq event stamp: 0 [ 80.372023] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 80.379024] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 80.388151] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 80.397283] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 80.404278] CPU: 2 PID: 1988 Comm: cat Tainted: G D W 5.10.136-cip13 #1 [ 80.412927] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 80.419535] Call Trace: [ 80.422268] dump_stack+0x77/0x9b [ 80.425973] ___might_sleep.cold+0xa6/0xb6 [ 80.430550] exit_signals+0x1c/0x2e0 [ 80.434546] do_exit+0xd5/0xb00 [ 80.438054] ? ksys_write+0x68/0xf0 [ 80.441951] rewind_stack_do_exit+0x17/0x20 [ 80.446616] RIP: 0033:0x7fa6c8836f33 [ 80.450604] 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 [ 80.471550] RSP: 002b:00007ffe1892d6b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 80.480004] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007fa6c8836f33 [ 80.487966] RDX: 0000000000000014 RSI: 00007fa6c8727000 RDI: 0000000000000001 [ 80.495924] RBP: 00007fa6c8727000 R08: 00007fa6c8726010 R09: 0000000000000000 [ 80.503894] R10: 00007fa6c89311c0 R11: 0000000000000246 R12: 0000000000000001 [ 80.511863] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 77.184156] CR2: ffffffffffffffd6 CR3: 000000010317c000 CR4: 00000000003506e0 # [ 77.192111] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 77.202001] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1847, name: cat # [ 77.210440] INFO: lockdep is turned off. # [ 77.214815] irq event stamp: 0 # [ 77.218220] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 77.225208] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 77.234317] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 77.243441] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 77.250435] CPU: 2 PID: 1847 Comm: cat Tainted: G D W 5.10.136-cip13 #1 # [ 77.259076] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 77.265677] Call Trace: # [ 77.268406] dump_stack+0x77/0x9b # [ 77.272105] ___might_sleep.cold+0xa6/0xb6 # [ 77.276675] exit_signals+0x1c/0x2e0 # [ 77.280671] do_exit+0xd5/0xb00 # [ 77.284178] ? ksys_write+0x68/0xf0 # [ 77.288077] rewind_stack_do_exit+0x17/0x20 # [ 77.292746] RIP: 0033:0x7f5e687c1f33 # [ 77.296738] 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 # [ 77.317685] RSP: 002b:00007ffe3139eb88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 77.326139] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f5e687c1f33 # [ 77.334104] RDX: 000000000000000a RSI: 00007f5e686b2000 RDI: 0000000000000001 # [ 77.342059] RBP: 00007f5e686b2000 R08: 00007f5e686b1010 R09: 0000000000000000 # [ 77.350018] R10: 00007f5e688bc1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 77.357977] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # EXEC_NULL: saw 'call trace:': ok ok 36 selftests: lkdtm: EXEC_NULL.sh # selftests: lkdtm: ACCESS_USERSPACE.sh # Killed # [ 77.657349] lkdtm: Performing direct entry ACCESS_USERSPACE # [ 77.663967] lkdtm: attempting bad read at 00007f2682f28000 # [ 77.670151] BUG: unable to handle page fault for address: 00007f2682f28000 # [ 77.677825] #PF: supervisor read access in kernel mode # [ 77.683556] #PF: error_code(0x0001) - permissions violation # [ 77.695985] PGD 80000001029c9067 P4D 80000001029c9067 PUD 103e83067 PMD 103ec2067 PTE 113948067 # [ 77.711915] Oops: 0001 [#12] SMP PTI # [ 77.715913] CPU: 2 PID: 1882 Comm: cat Tainted: G D W 5.10.136-cip13 #1 # [ 77.730756] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 77.737378] RIP: 0010:lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3 # [ 77.743608] Code: 00 00 00 75 64 48 83 c4 10 5d c3 cc cc cc cc 48 89 ee 48 c7 c7 90 98 2c 99 e8 19 9a fd ff 48 c7 c7 b8 98 2c 99 b8 de c0 de c0 <48> 03 45 00 48 89 04 24 e8 00 9a fd ff 48 89 ee 48 c7 c7 e0 98 2c # [ 77.764582] RSP: 0018:ffff9ebf024a7e48 EFLAGS: 00010246 # [ 77.770415] RAX: 00000000c0dec0de RBX: 0000000000000026 RCX: 0000000000000000 # [ 77.778373] RDX: 0000000000000000 RSI: ffff8f1b3bd1bf70 RDI: ffffffff992c98b8 # [ 77.786326] RBP: 00007f2682f28000 R08: 0000000000[ 80.830383] lkdtm: Performing direct entry WRITE_KERN [ 80.842045] lkdtm: attempting bad 6868880 byte write at ffffffff9896b4f0 [ 80.849571] BUG: unable to handle page fault for address: ffffffff9896b4f0 [ 80.857242] #PF: supervisor write access in kernel mode 000000 R09: 0000000000000000 # [ 77.794278] R10: 00000000ffff[ 80.863065] #PF: error_code(0x0003) - permissions violation e000 R11: 3fffffffffffffff R12: 0000000000000011 # [ 77.80224[ 80.875471] PGD 154229067 P4D 154229067 PUD 15422a063 PMD 1536001e1 [ 80.888781] Oops: 0003 [#16] SMP PTI 8] R13: ffff9ebf024a7f10 R14: ffff9ebf024a7f10 R15: ffff8f1ac5ba[ 80.892771] CPU: 2 PID: 2023 Comm: cat Tainted: G D W 5.10.136-cip13 #1 [ 80.907613] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 80.914231] RIP: 0010:lkdtm_WRITE_KERN+0x38/0x4e [ 80.919387] Code: 53 48 c7 c3 f0 b4 96 98 49 89 dc 48 89 da 49 81 ec 60 e5 2d 98 4c 89 e6 e8 9a 9b fd ff 48 89 df 4c 89 e1 48 c7 c6 60 e5 2d 98 a4 48 c7 c7 a0 97 2c 99 e8 7f 9b fd ff 5b 41 5c e9 b7 fe ff ff [ 80.940350] RSP: 0018:ffff9ebf02697e50 EFLAGS: 00010246 [ 80.946186] RAX: 000000000000003c RBX: ffffffff9896b4f0 RCX: 000000000068cf90 [ 80.954156] RDX: 0000000000000000 RSI: ffffffff982de560 RDI: ffffffff9896b4f0 [ 80.962117] RBP: ffffffff992c89aa R08: 0000000000000000 R09: 0000000000000000 [ 80.970075] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000068cf90 [ 80.978041] R13: ffff9ebf02697f10 R14: ffff9ebf02697f10 R15: ffff8f1ac407a000 [ 80.986005] FS: 00007f3cbd33d580(0000) GS:ffff8f1b3bd00000(0000) knlGS:0000000000000000 [ 80.995040] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 81.001458] CR2: ffffffff9896b4f0 CR3: 000000010098c000 CR4: 00000000003506e0 [ 81.009425] Call Trace: [ 81.012169] direct_entry.cold+0x2c/0x38 [ 81.016559] full_proxy_write+0x56/0x80 [ 81.020842] vfs_write+0xea/0x3a0 [ 81.024545] ksys_write+0x68/0xf0 [ 81.028248] do_syscall_64+0x33/0x40 [ 81.032244] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 81.037888] RIP: 0033:0x7f3cbd265f33 [ 81.041876] 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 [ 81.062823] RSP: 002b:00007ffcfbea1078 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 81.071274] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f3cbd265f33 [ 81.079235] RDX: 000000000000000b RSI: 00007f3cbd156000 RDI: 0000000000000001 [ 81.087198] RBP: 00007f3cbd156000 R08: 00007f3cbd155010 R09: 0000000000000000 [ 81.095165] R10: 00007f3cbd3601c0 R11: 0000000000000246 R12: 0000000000000001 [ 81.103139] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 81.111121] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 81.127072] CR2: ffffffff9896b4f0 [ 81.130775] ---[ end trace 8c1e8df02166ac8a ]--- [ 81.135934] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 81.140306] Code: 89 ff e8 de bc a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 80 03 74 02 [ 81.161248] RSP: 0018:ffff9ebf01377e60 EFLAGS: 00010286 [ 81.167081] RAX: ffffffff982de190 RBX: 0000000000000001 RCX: 0000000000000000 [ 81.175041] RDX: 0000000000000000 RSI: ffff8f1b3bd1bf70 RDI: ffffffff98ed9d30 [ 81.183005] RBP: ffffffff99323c60 R08: 0000000000000001 R09: 0000000000000001 [ 81.190968] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 81.198922] R13: ffff9ebf01377f10 R14: ffff9ebf01377f10 R15: ffff8f1ac2c02000 [ 81.206889] FS: 00007f3cbd33d580(0000) GS:ffff8f1b3bd00000(0000) knlGS:0000000000000000 [ 81.215922] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 81.222331] CR2: ffffffff9896b4f0 CR3: 000000010098c000 CR4: 00000000003506e0 8000 # [ 77.810216] FS: 00007f2682ef9580(0000) GS:ffff8f1b3bd00000(0000) knlGS:0000000000000000 # [ 77.819251] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 77.825666] CR2: 00007f2682f28000 CR3: 0000000105a3e000 CR4: 00000000003506e0 # [ 77.833639] Call Trace: # [ 77.836385] direct_entry.cold+0x2c/0x38 # [ 77.840776] full_proxy_write+0x56/0x80 # [ 77.845067] vfs_write+0xea/0x3a0 # [ 77.848772] ksys_write+0x68/0xf0 # [ 77.852480] do_syscall_64+0x33/0x40 # [ 77.856471] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 77.862116] RIP: 0033:0x7f2682e21f33 # [ 77.866113] 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 # [ 77.887093] RSP: 002b:00007ffdbbcb8008 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 77.895555] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007f2682e21f33 # [ 77.903527] RDX: 0000000000000011 RSI: 00007f2682d12000 RDI: 0000000000000001 # [ 77.911500] RBP: 00007f2682d12000 R08: 00007f2682d11010 R09: 0000000000000000 # [ 77.919473] R10: 00007f2682f1c1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 77.927447] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 77.935429] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 77.951397] CR2: 00007f2682f28000 # [ 77.955102] ---[ end trace 8c1e8df02166ac86 ]--- # [ 77.960265] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 77.964642] Code: 89 ff e8 de bc a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 80 03 74 02 # [ 77.985621] RSP: 0018:ffff9ebf01377e60 EFLAGS: 00010286 # [ 77.991461] RAX: ffffffff982de190 RBX: 0000000000000001 RCX: 0000000000000000 # [ 77.999434] RDX: 0000000000000000 RSI: ffff8f1b3bd1bf70 RDI: ffffffff98ed9d30 # [ 78.007407] RBP: ffffffff99323c60 R08: 0000000000000001 R09: 0000000000000001 # [ 78.015380] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 78.023353] R13: ffff9ebf01377f10 R14: ffff9ebf01377f10 R15: ffff8f1ac2c02000 # [ 78.031325] FS: 00007f2682ef9580(0000) GS:ffff8f1b3bd00000(0000) knlGS:0000000000000000 # [ 78.040368] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 78.046787] CR2: 00007f2682f28000 CR3: 0000000105a3e000 CR4: 00000000003506e0 # ACCESS_USERSPACE: saw 'call trace:': ok ok 37 selftests: lkdtm: ACCESS_USERSPACE.sh # selftests: lkdtm: ACCESS_NULL.sh # Killed # [ 78.337400] lkdtm: Performing direct entry ACCESS_NULL # [ 78.346370] lkdtm: attempting bad read at 0000000000000000 # [ 78.352541] BUG: kernel NULL pointer dereference, address: 0000000000000000 # [ 78.360326] #PF: supervisor read access in kernel mode # [ 78.366068] #PF: error_code(0x0000) - not-present page # [ 78.378011] PGD 0 P4D 0 # [ 78.387045] Oops: 0000 [#13] SMP PTI # [ 78.391040] CPU: 2 PID: 1917 Comm: cat Tainted: G D W 5.10.136-cip13 #1 # [ 78.405909] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 78.412533] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53 # [ 78.417791] Code: bd 99 fd ff be 00 10 00 00 48 [ 81.557303] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW [ 81.566059] lkdtm: attempting good refcount_inc() without overflow [ 81.572979] lkdtm: attempting bad refcount_inc() overflow [ 81.579032] ------------[ cut here ]------------ [ 81.584203] refcount_t: saturated; leaking memory. [ 81.589622] WARNING: CPU: 2 PID: 2058 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 [ 81.599043] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 81.614993] CPU: 2 PID: 2058 Comm: cat Tainted: G D W 5.10.136-cip13 #1 [ 81.623656] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 81.630274] RIP: 0010:refcount_warn_saturate+0x51/0x110 [ 81.636122] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d ce 53 74 01 00 75 ee 48 c7 c7 90 43 26 99 c6 05 be 53 74 01 01 e8 67 62 98 00 <0f> 0b c3 cc cc cc cc 80 3d aa 53 74 01 00 75 cb 48 c7 c7 b8 43 26 [ 81.657087] RSP: 0018:ffff9ebf026f7e48 EFLAGS: 00010286 [ 81.662939] RAX: 0000000000000000 RBX: 000000000000002b RCX: 0000000000000000 [ 81.670920] RDX: ffff8f1b3bd2c660 RSI: ffff8f1b3bd1bf70 RDI: ffff8f1b3bd1bf70 [ 81.678905] RBP: ffffffff992c89b5 R08: 0000000000000000 R09: 0000000000000000 [ 81.686898] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 [ 81.694879] R13: ffff9ebf026f7f10 R14: ffff9ebf026f7f10 R15: ffff8f1ac4dfe000 [ 81.702860] FS: 00007fb822976580(0000) GS:ffff8f1b3bd00000(0000) knlGS:0000000000000000 [ 81.711896] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 81.718325] CR2: 00007fb82278f000 CR3: 0000000103d24000 CR4: 00000000003506e0 [ 81.726297] Call Trace: [ 81.729055] lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x98 [ 81.734427] direct_entry.cold+0x2c/0x38 [ 81.738834] full_proxy_write+0x56/0x80 [ 81.743148] vfs_write+0xea/0x3a0 [ 81.746875] ksys_write+0x68/0xf0 [ 81.750616] do_syscall_64+0x33/0x40 [ 81.754622] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 81.760288] RIP: 0033:0x7fb82289ef33 [ 81.764310] 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 [ 81.785294] RSP: 002b:00007ffce770fc68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 81.793766] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fb82289ef33 [ 81.801738] RDX: 0000000000000016 RSI: 00007fb82278f000 RDI: 0000000000000001 89 ef e8 30 b9 39 ff e9 69 ff ff ff 0f 1f 44 00 00 53 31 f6 48 c[ 81.809712] RBP: 00007fb82278f000 R08: 00007fb82278e010 R09: 0000000000000000 [ 81.823859] R10: 00007fb8229991c0 R11: 0000000000000246 R12: 0000000000000001 7 c7 90 98 2c 99 e8 97 99 fd ff <48> 8b 1c 25 00 00 00 00 b8 de [ 81.831836] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 c0 de c0 48 c7 c7 b8 98 2c 99 48 01 # [ 78.438771] RSP: 0018:[ 81.846005] irq event stamp: 0 ffff9ebf024afe58 EFLAGS: 00010246 # [ 78.444612] RAX: 0000000[ 81.855595] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 81.868794] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 81.877940] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 81.887095] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 81.894107] ---[ end trace 8c1e8df02166ac8b ]--- [ 81.899300] lkdtm: Overflow detected: saturated 00000002e RBX: 0000000000000027 RCX: 0000000000000000 # [ 78.452580] RDX: 0000000000000000 RSI: ffff8f1b3bd1bf70 RDI: ffff8f1b3bd1bf70 # [ 78.460545] RBP: ffffffff992c8981 R08: 0000000000000000 R09: 0000000000000000 # [ 78.468510] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c # [ 78.476471] R13: ffff9ebf024aff10 R14: ffff9ebf024aff10 R15: ffff8f1ac3f56000 # [ 78.484431] FS: 00007f3b6228e580(0000) GS:ffff8f1b3bd00000(0000) knlGS:0000000000000000 # [ 78.493466] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 78.499879] CR2: 0000000000000000 CR3: 0000000103bc4000 CR4: 00000000003506e0 # [ 78.507839] Call Trace: # [ 78.510579] direct_entry.cold+0x2c/0x38 # [ 78.514969] full_proxy_write+0x56/0x80 # [ 78.519260] vfs_write+0xea/0x3a0 # [ 78.522960] ksys_write+0x68/0xf0 # [ 78.526665] do_syscall_64+0x33/0x40 # [ 78.530656] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 78.536291] RIP: 0033:0x7f3b621b6f33 # [ 78.540280] 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 # [ 78.561216] RSP: 002b:00007ffe49d98188 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 78.569670] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f3b621b6f33 # [ 78.577635] RDX: 000000000000000c RSI: 00007f3b620a7000 RDI: 0000000000000001 # [ 78.585606] RBP: 00007f3b620a7000 R08: 00007f3b620a6010 R09: 0000000000000000 # [ 78.593569] R10: 00007f3b622b11c0 R11: 0000000000000246 R12: 0000000000000001 # [ 78.601530] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 78.609511] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 78.625468] CR2: 0000000000000000 # [ 78.629173] ---[ end trace 8c1e8df02166ac87 ]--- # [ 78.634338] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 78.638722] Code: 89 ff e8 de bc a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 80 03 74 02 # [ 78.659701] RSP: 0018:ffff9ebf01377e60 EFLAGS: 00010286 # [ 78.665540] RAX: ffffffff982de190 RBX: 0000000000000001 RCX: 0000000000000000 # [ 78.673514] RDX: 0000000000000000 RSI: ffff8f1b3bd1bf70 RDI: ffffffff98ed9d30 # [ 78.681483] RBP: ffffffff99323c60 R08: 0000000000000001 R09: 0000000000000001 # [ 78.689456] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 78.697420] R13: ffff9ebf01377f10 R14: ffff9ebf01377f10 R15: ffff8f1ac2c02000 # [ 78.705390] FS: 00007f3b6228e580(0000) GS:ffff8f1b3bd00000(0000) knlGS:0000000000000000 # [ 78.714429] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050[ 82.181598] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW 033 # [ 78.720849] CR2: 0000000000000000 CR3: 0000000103bc400[ 82.190219] lkdtm: attempting good refcount_add() without overflow 0 CR4: 00000000003506e0 # [ 78.728819] BUG: sleeping function[ 82.203320] lkdtm: attempting bad refcount_add() overflow called from invalid context at include/linux/percpu-rwsem.h:49[ 82.215625] ------------[ cut here ]------------ # [ 78.738713] in_atomic(): 0, irqs_disabled(): 1, non_block:[ 82.227204] refcount_t: saturated; leaking memory. 0, pid: 1917, name: cat # [ 78.747169] INFO: lockdep is turn[ 82.238926] WARNING: CPU: 3 PID: 2090 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 ed off. # [ 78.751549] irq event stamp: 0 # [ 78.754956] h[ 82.254374] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify ardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 78[ 82.276392] CPU: 3 PID: 2090 Comm: cat Tainted: G D W 5.10.136-cip13 #1 .761961] hardirqs last disabled at (0): [] cop[ 82.291286] Hardware name: Google Coral/Coral, BIOS 09/29/2020 y_process+0x640/0x1c80 # [ 78.771094] softirqs last enabled [ 82.304080] RIP: 0010:refcount_warn_saturate+0x51/0x110 at (0): [] copy_process+0x640/0x1c80 # [ 78[ 82.315985] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d ce 53 74 01 00 75 ee 48 c7 c7 90 43 26 99 c6 05 be 53 74 01 01 e8 67 62 98 00 <0f> 0b c3 cc cc cc cc 80 3d aa 53 74 01 00 75 cb 48 c7 c7 b8 43 26 .780219] softirqs last disabled at (0): [<0000000000000000>] 0x0[ 82.343138] RSP: 0018:ffff9ebf0278fe48 EFLAGS: 00010286 # [ 78.787223] CPU: 2 PID: 1917 Comm: cat Tainted: G D [ 82.355116] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000 W 5.10.136-cip13 #1 # [ 78.795869] Hardware name: Goo[ 82.369316] RDX: ffff8f1b3bdac660 RSI: ffff8f1b3bd9bf70 RDI: ffff8f1b3bd9bf70 gle Coral/Coral, BIOS 09/29/2020 # [ 78.802477] Call Trace:[ 82.383433] RBP: ffffffff992c89cb R08: 0000000000000000 R09: 0000000000000000 # [ 78.805211] dump_stack+0x77/0x9b # [ 78.808915] ___mi[ 82.397631] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 ght_sleep.cold+0xa6/0xb6 # [ 78.813486] exit_signals+0x1c/0x[ 82.411790] R13: ffff9ebf0278ff10 R14: ffff9ebf0278ff10 R15: ffff8f1ac311d000 2e0 # [ 78.817482] do_exit+0xd5/0xb00 # [ 78.820992] ? k[ 82.426010] FS: 00007f54072e4580(0000) GS:ffff8f1b3bd80000(0000) knlGS:0000000000000000 sys_write+0x68/0xf0 # [ 78.824887] rewind_stack_do_exit+0x17[ 82.441272] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 /0x20 # [ 78.829557] RIP: 0033:0x7f3b621b6f33 # [ 78.83355[ 82.453821] CR2: 00007f54070fd000 CR3: 0000000103ec6000 CR4: 00000000003506e0 0] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff e[ 82.468009] Call Trace: b b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00[ 82.476941] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa7 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 8[ 82.488486] direct_entry.cold+0x2c/0x38 9 54 24 18 # [ 78.854523] RSP: 002b:00007ffe49d98188 EFLAGS: [ 82.499099] full_proxy_write+0x56/0x80 00000246 ORIG_RAX: 0000000000000001 # [ 78.862976] RAX: fffff[ 82.509584] vfs_write+0xea/0x3a0 fffffffffda RBX: 000000000000000c RCX: 00007f3b621b6f33 # [ 7[ 82.519501] ksys_write+0x68/0xf0 8.870949] RDX: 000000000000000c RSI: 00007f3b620a7000 RDI: 00000[ 82.529443] do_syscall_64+0x33/0x40 00000000001 # [ 78.878920] RBP: 00007f3b620a7000 R08: 00007f3[ 82.539630] entry_SYSCALL_64_after_hwframe+0x61/0xc6 b620a6010 R09: 0000000000000000 # [ 78.886894] R10: 00007f3b6[ 82.551475] RIP: 0033:0x7f540720cf33 22b11c0 R11: 0000000000000246 R12: 0000000000000001 # [ 78.89[ 82.561698] 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 4864] R13: 0000000000000001 R14: 0000000000020000 R15: 000000000[ 82.588832] RSP: 002b:00007fff40e31228 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 0020000 # ACCESS_NULL: saw 'call trace:': ok ok 38 selftests: [ 82.603464] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f540720cf33 lkdtm: ACCESS_NULL.sh # selftests: lkdtm: WRITE_RO.sh # Killed[ 82.617652] RDX: 0000000000000016 RSI: 00007f54070fd000 RDI: 0000000000000001 # [ 79.216243] lkdtm: Performing direct entry WRITE_RO # [ [ 82.631802] RBP: 00007f54070fd000 R08: 00007f54070fc010 R09: 0000000000000000 79.224907] lkdtm: attempting bad rodata write at ffffffff98eda[ 82.646041] R10: 00007f54073071c0 R11: 0000000000000246 R12: 0000000000000001 1b0 # [ 79.238081] BUG: unable to handle page fault for addre[ 82.660408] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ss: ffffffff98eda1b0 # [ 79.251885] #PF: supervisor write acc[ 82.674378] irq event stamp: 0 ess in kernel mode # [ 79.257709] #PF: error_code(0x0003) - p[ 82.684110] hardirqs last enabled at (0): [<0000000000000000>] 0x0 ermissions violation # [ 79.263920] PGD 154229067 P4D 1542290[ 82.697234] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 67 PUD 15422a063 PMD 8000000153c001e1 # [ 79.271712] Oops: 0[ 82.712680] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 003 [#14] SMP PTI # [ 79.275696] CPU: 3 PID: 1952 Comm: cat T[ 82.727973] softirqs last disabled at (0): [<0000000000000000>] 0x0 ainted: G D W 5.10.136-cip13 #1 # [ 79.284336] H[ 82.741180] ---[ end trace 8c1e8df02166ac8c ]--- ardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 79.290[ 82.752632] lkdtm: Overflow detected: saturated 958] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a # [ 79.295918] Code: 00 48 c7 c7 70 97 2c 99 48 c7 c6 b0 a1 ed 98 e8 41 9c fd ff 48 8b 05 3a ec 56 00 ba 34 12 cd ab 48 c7 c7 a0 97 2c 99 48 31 d0 <48> 89 05 24 ec 56 00 e9 1f 9c fd ff 0f 1f 44 00 00 48 8b 05 8b ad # [ 79.316872] RSP: 0018:ffff9ebf02577e60 EFLAGS: 00010202 # [ 79.322705] RAX: 000000000198b861 RBX: 0000000000000028 RCX: 0000000000000000 # [ 79.330670] RDX: 00000000abcd1234 RSI: ffff8f1b3bd9bf70 RDI: ffffffff992c97a0 # [ 79.338639] RBP: ffffffff992c898d R08: 0000000000000000 R09: 0000000000000000 # [ 79.346609] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000009 # [ 79.354568] R13: ffff9ebf02577f10 R14: ffff9ebf02577f10 R15: ffff8f1ac59c7000 # [ 79.362534] FS: 00007f5a56e9e580(0000) GS:ffff8f1b3bd80000(0000) knlGS:0000000000000000 # [ 79.371566] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 79.377981] CR2: ffffffff98eda1b0 CR3: 0000000103a2a000 CR4: 00000000003506e0 # [ 79.385952] Call Trace: # [ 79.388686] direct_entry.cold+0x2c/0x38 # [ 79.393077] full_proxy_write+0x56/0x80 # [ 79.397366] vfs_write+0xea/0x3a0 # [ 79.401072] ksys_write+0x68/0xf0 # [ 79.404779] do_syscall_64+0x33/0x40 # [ 79.408774] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 79.414410] RIP: 0033:0x7f5a56dc6f33 # [ 79.418402] 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 # [ 79.439379] RSP: 002b:00007ffecc046368 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 79.447837] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f5a56dc6f33 # [ 79.455800] RDX: 0000000000000009 RSI: 00007f5a56cb7000 RDI: 0000000000000001 # [ 79.463772] RBP: 00007f5a56cb7000 R08: 00007f5a56cb6010 R09: 0000000000000000 # [ 79.471744] R10: 00007f5a56ec11c0 R11: 0000000000000246 R12: 0000000000000001 # [ 79.479704] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 79.487683] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 79.503631] CR2: ffffffff98eda1b0 # [ 79.507332] ---[ end trace 8c1e8df02166ac88 ]--- # [ 79.512486] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 79.516864] Code: 89 ff e8 de bc a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 80 03 74 02 # [ 79.537836] RSP: 0018:ffff9ebf01377e60 EFLAGS: 00010286 # [ 79.543673] RAX: ffffffff982de190 RBX: 0000000000000001 RCX: 0000000000000000 # [ 79.551632] RDX: 0000000000000000 RSI: ffff8f1b3bd1bf70 RDI: ffffffff98ed9d30 # [ 79.559597] RBP: ffffffff99323c60 R08: 0000000000000001 R09: 0000000000000001 # [ 79.567551] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 79.575508] R13: ffff9ebf01377f10 R14: ffff9ebf01377f10 R15: ffff8f1ac2c02000 # [ 79.583463] FS: 00007f5a56e9e580(0000) GS:ffff8f1b3bd80000[ 83.063458] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW [ 83.075011] lkdtm: attempting bad refcount_inc_not_zero() overflow [ 83.081945] ------------[ cut here ]------------ (0000) knlGS:0000000000000000 # [ 79.592491] CS: 0010 DS: 00[ 83.087110] refcount_t: saturated; leaking memory. 00 ES: 0000 CR0: 0000000080050033 # [ 79.598900] CR2: fffffff[ 83.098711] WARNING: CPU: 2 PID: 2122 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 [ 83.114323] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 83.130313] CPU: 2 PID: 2122 Comm: cat Tainted: G D W 5.10.136-cip13 #1 [ 83.138986] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 83.145619] RIP: 0010:refcount_warn_saturate+0x97/0x110 [ 83.151479] Code: 01 01 e8 44 62 98 00 0f 0b c3 cc cc cc cc 80 3d 89 53 74 01 00 75 a8 48 c7 c7 90 43 26 99 c6 05 79 53 74 01 01 e8 21 62 98 00 <0f> 0b c3 cc cc cc cc 80 3d 63 53 74 01 00 75 85 48 c7 c7 e8 43 26 [ 83.172439] RSP: 0018:ffff9ebf0281fe38 EFLAGS: 00010282 [ 83.178288] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 [ 83.186264] RDX: ffff8f1b3bd2c660 RSI: ffff8f1b3bd1bf70 RDI: ffff8f1b3bd1bf70 [ 83.194247] RBP: ffffffff992c8608 R08: 0000000000000000 R09: 0000000000000000 [ 83.202231] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f [ 83.210208] R13: ffff9ebf0281ff10 R14: ffff9ebf0281ff10 R15: ffff8f1ac59ea000 [ 83.218187] FS: 00007f907c3be580(0000) GS:ffff8f1b3bd00000(0000) knlGS:0000000000000000 [ 83.227226] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 83.233654] CR2: 00007f907c1d7000 CR3: 0000000104ffa000 CR4: 00000000003506e0 [ 83.241634] Call Trace: [ 83.244395] __refcount_add_not_zero.constprop.0+0x2a/0x35 [ 83.250544] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x76 [ 83.256801] direct_entry.cold+0x2c/0x38 [ 83.261210] full_proxy_write+0x56/0x80 [ 83.265519] vfs_write+0xea/0x3a0 [ 83.269248] ksys_write+0x68/0xf0 [ 83.272979] do_syscall_64+0x33/0x40 [ 83.276983] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 83.282643] RIP: 0033:0x7f907c2e6f33 [ 83.286656] 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 [ 83.307636] RSP: 002b:00007ffd444f4618 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 83.316109] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f907c2e6f33 [ 83.324103] RDX: 000000000000001f RSI: 00007f907c1d7000 RDI: 0000000000000001 [ 83.332083] RBP: 00007f907c1d7000 R08: 00007f907c1d6010 R09: 0000000000000000 [ 83.340060] R10: 00007f907c3e11c0 R11: 0000000000000246 R12: 0000000000000001 [ 83.348042] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 83.356026] irq event stamp: 0 f98eda1b0 CR3: 0000000103a2a000 CR4: 00000000003506e0 # WRITE_R[ 83.359453] hardirqs last enabled at (0): [<0000000000000000>] 0x0 O: saw 'call trace:': ok ok 39 selftests: lkdtm: WRITE_RO.sh #[ 83.372640] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 selftests: lkdtm: WRITE_RO_AFTER_INIT.sh # Killed # [ 79.94[ 83.387955] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 83.403277] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 83.410282] ---[ end trace 8c1e8df02166ac8d ]--- [ 83.415445] lkdtm: Overflow detected: saturated 6879] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT # [ 79.954903] lkdtm: attempting bad ro_after_init write at ffffffff99346328 # [ 79.962531] BUG: unable to handle page fault for address: ffffffff99346328 # [ 79.976329] #PF: supervisor write access in kernel mode # [ 79.982164] #PF: error_code(0x0003) - permissions violation # [ 79.988378] PGD 154229067 P4D 154229067 PUD 15422a063 PMD 104b53163 PTE 8000000154146061 # [ 80.003616] Oops: 0003 [#15] SMP PTI # [ 80.013806] CPU: 2 PID: 1988 Comm: cat Tainted: G D W 5.10.136-cip13 #1 # [ 80.022439] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 80.029059] RIP: 0010:lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a # [ 80.035089] Code: 97 2c 99 e9 f3 9b fd ff 48 c7 c7 f8 97 2c 99 e8 e7 9b fd ff 48 8b 05 58 ad 9d 00 ba 34 12 cd ab 48 c7 c7 a0 97 2c 99 48 31 d0 <48> 89 05 42 ad 9d 00 e9 c5 9b fd ff 0f 1f 44 00 00 41 54 48 c7 c7 # [ 80.056028] RSP: 0018:ffff9ebf02637e60 EFLAGS: 00010202 # [ 80.061857] RAX: 00000000fe67479e RBX: 0000000000000029 RCX: 0000000000000000 # [ 80.069810] RDX: 00000000abcd1234 RSI: ffff8f1b3bd1bf70 RDI: ffffffff992c97a0 # [ 80.077776] RBP: ffffffff992c8996 R08: 0000000000000000 R09: 0000000000000000 # [ 80.085737] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000014 # [ 80.093696] R13: ffff9ebf02637f10 R14: ffff9ebf02637f10 R15: ffff8f1ac311d000 # [ 80.101661] FS: 00007fa6c890e580(0000) GS:ffff8f1b3bd00000(0000) knlGS:0000000000000000 # [ 80.110680] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 80.117087] CR2: ffffffff99346328 CR3: 0000000103138000 CR4: 00000000003506e0 # [ 80.125045] Call Trace: # [ 80.127777] direct_entry.cold+0x2c/0x38 # [ 80.132168] full_proxy_write+0x56/0x80 # [ 80.136452] vfs_write+0xea/0x3a0 # [ 80.140154] ksys_write+0x68/0xf0 # [ 80.143860] do_syscall_64+0x33/0x40 # [ 80.147852] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 80.153478] RIP: 0033:0x7fa6c8836f33 # [ 80.157470] 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 # [ 80.178439] RSP: 002b:00007ffe1892d6b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 80.186894] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007fa6c8836f33 # [ 80.194858] RDX: 0000000000000014 RSI: 00007fa6c8727000 RDI: 0000000000000001 # [ 80.202826] RBP: 00007fa6c8727000 R08: 00007fa6c8726010 R09: 0000000000000000 # [ 80.210799] R10: 00007fa6c89311c0 R11: 0000000000000246 R12: 0000000000000001 # [ 80.218768] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 80.226743] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 80.242688] CR2: ffffffff99346328 # [ 80.246389] ---[ end trace 8c1e8df02166ac89 ]--- # [ 80.25154[ 83.709427] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW [ 83.719672] lkdtm: attempting bad refcount_add_not_zero() overflow [ 83.726625] ------------[ cut here ]------------ 6] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 80.255928] Code: 89 ff e8[ 83.731789] refcount_t: saturated; leaking memory. [ 83.743390] WARNING: CPU: 1 PID: 2154 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 [ 83.752819] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify de bc a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 [ 83.768772] CPU: 1 PID: 2154 Comm: cat Tainted: G D W 5.10.136-cip13 #1 [ 83.783617] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 83.790252] RIP: 0010:refcount_warn_saturate+0x97/0x110 [ 83.796108] Code: 01 01 e8 44 62 98 00 0f 0b c3 cc cc cc cc 80 3d 89 53 74 01 00 75 a8 48 c7 c7 90 43 26 99 c6 05 79 53 74 01 01 e8 21 62 98 00 <0f> 0b c3 cc cc cc cc 80 3d 63 53 74 01 00 75 85 48 c7 c7 e8 43 26 [ 83.817084] RSP: 0018:ffff9ebf0289fe38 EFLAGS: 00010282 [ 83.822933] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 [ 83.830906] RDX: ffff8f1b3bcac660 RSI: ffff8f1b3bc9bf70 RDI: ffff8f1b3bc9bf70 [ 83.838879] RBP: ffffffff992c8628 R08: 0000000000000000 R09: 0000000000000000 [ 83.846854] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f [ 83.854826] R13: ffff9ebf0289ff10 R14: ffff9ebf0289ff10 R15: ffff8f1ac3ad1000 [ 83.862802] FS: 00007fa050c88580(0000) GS:ffff8f1b3bc80000(0000) knlGS:0000000000000000 [ 83.871840] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 83.878263] CR2: 00007fa050aa1000 CR3: 0000000104d06000 CR4: 00000000003506e0 [ 83.886231] Call Trace: [ 83.888987] __refcount_add_not_zero.constprop.0+0x2a/0x35 [ 83.895128] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x76 [ 83.901370] direct_entry.cold+0x2c/0x38 [ 83.905776] full_proxy_write+0x56/0x80 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66[ 83.910073] vfs_write+0xea/0x3a0 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 80 03 74 02 # [ [ 83.919968] ksys_write+0x68/0xf0 [ 83.929877] do_syscall_64+0x33/0x40 [ 83.933889] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 83.939549] RIP: 0033:0x7fa050bb0f33 [ 83.943554] 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 [ 83.964518] RSP: 002b:00007ffee7e931b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 83.972991] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fa050bb0f33 [ 83.980970] RDX: 000000000000001f RSI: 00007fa050aa1000 RDI: 0000000000000001 [ 83.988963] RBP: 00007fa050aa1000 R08: 00007fa050aa0010 R09: 0000000000000000 [ 83.996944] R10: 00007fa050cab1c0 R11: 0000000000000246 R12: 0000000000000001 80.276887] RSP: 0018:ffff9ebf01377e60 EFLAGS: 00010286 # [ 8[ 84.004918] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 84.019117] irq event stamp: 0 [ 84.022547] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 84.029573] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 84.038717] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 84.047862] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 84.054862] ---[ end trace 8c1e8df02166ac8e ]--- [ 84.060031] lkdtm: Overflow detected: saturated 0.282715] RAX: ffffffff982de190 RBX: 0000000000000001 RCX: 0000000000000000 # [ 80.290678] RDX: 0000000000000000 RSI: ffff8f1b3bd1bf70 RDI: ffffffff98ed9d30 # [ 80.298637] RBP: ffffffff99323c60 R08: 0000000000000001 R09: 0000000000000001 # [ 80.306592] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 80.314545] R13: ffff9ebf01377f10 R14: ffff9ebf01377f10 R15: ffff8f1ac2c02000 # [ 80.322507] FS: 00007fa6c890e580(0000) GS:ffff8f1b3bd00000(0000) knlGS:0000000000000000 # [ 80.331525] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 80.337935] CR2: ffffffff99346328 CR3: 0000000103138000 CR4: 00000000003506e0 # [ 80.345905] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 80.355795] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1988, name: cat # [ 80.364239] INFO: lockdep is turned off. # [ 80.368611] irq event stamp: 0 # [ 80.372023] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 80.379024] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 80.388151] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 80.397283] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 80.404278] CPU: 2 PID: 1988 Comm: cat Tainted: G D W 5.10.136-cip13 #1 # [ 80.412927] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 80.419535] Call Trace: # [ 80.422268] dump_stack+0x77/0x9b # [ 80.425973] ___might_sleep.cold+0xa6/0xb6 # [ 80.430550] exit_signals+0x1c/0x2e0 # [ 80.434546] do_exit+0xd5/0xb00 # [ 80.438054] ? ksys_write+0x68/0xf0 # [ 80.441951] rewind_stack_do_exit+0x17/0x20 # [ 80.446616] RIP: 0033:0x7fa6c8836f33 # [ 80.450604] 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 # [ 80.471550] RSP: 002b:00007ffe1892d6b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 80.480004] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007fa6c8836f33 # [ 80.487966] RDX: 0000000000000014 RSI: 00007fa6c8727000 RDI: 0000000000000001 # [ 80.495924] RBP: 00007fa6c8727000 R08: 00007fa6c8726010 R09: 0000000000000000 # [ 80.503894] R10: 00007fa6c89311c0 R11: 0000000000000246 R12: 0000000000000001 # [ 80.511863] 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 # [ 80.830383] lkdtm: Performing direct entry WRITE_KERN # [ 80.842045] lkdtm: attempting bad 6868880 byte write at ffffffff9896b4f0 # [ 80.849571] BUG: unable to handle page fault for address: ffffffff9896b4f0 # [ 80.857242] #PF: supervisor write access in kernel mode # [ 80.863065] #PF: error_code(0x0003) - permissions violation # [ 80.875471] PGD [ 84.354306] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO [ 84.362852] lkdtm: attempting good refcount_dec() [ 84.368118] lkdtm: attempting bad refcount_dec() to zero 154229067 P4D 154229067 PUD 15422a063 PMD 1536001e1 # [ 80.8[ 84.374065] ------------[ cut here ]------------ [ 84.385415] refcount_t: decrement hit 0; leaking memory. [ 84.391410] WARNING: CPU: 1 PID: 2186 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 [ 84.400850] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 84.416836] CPU: 1 PID: 2186 Comm: cat Tainted: G D W 5.10.136-cip13 #1 [ 84.425537] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 84.432191] RIP: 0010:refcount_warn_saturate+0xfb/0x110 [ 84.438053] Code: 40 44 26 99 c6 05 2a 53 74 01 01 e8 d7 61 98 00 0f 0b c3 cc cc cc cc 48 c7 c7 10 44 26 99 c6 05 11 53 74 01 01 e8 bd 61 98 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b [ 84.459039] RSP: 0018:ffff9ebf02907e48 EFLAGS: 00010286 [ 84.464889] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000 [ 84.472868] RDX: ffff8f1b3bcac660 RSI: ffff8f1b3bc9bf70 RDI: ffff8f1b3bc9bf70 [ 84.480846] RBP: ffffffff992c89e1 R08: 0000000000000000 R09: 0000000000000000 [ 84.488832] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 [ 84.496813] R13: ffff9ebf02907f10 R14: ffff9ebf02907f10 R15: ffff8f1ac3d1d000 [ 84.504802] FS: 00007f3d0459d580(0000) GS:ffff8f1b3bc80000(0000) knlGS:0000000000000000 [ 84.513839] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 84.520270] CR2: 00007f3d043b6000 CR3: 00000001031c8000 CR4: 00000000003506e0 [ 84.528250] Call Trace: [ 84.531008] lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xbd [ 84.535994] direct_entry.cold+0x2c/0x38 [ 84.540402] full_proxy_write+0x56/0x80 88781] Oops: 0003 [#16] SMP PTI # [ 80.892771] CPU: 2 PID: 20[ 84.544708] vfs_write+0xea/0x3a0 [ 84.554623] ksys_write+0x68/0xf0 [ 84.558351] do_syscall_64+0x33/0x40 [ 84.562365] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 84.568027] RIP: 0033:0x7f3d044c5f33 [ 84.572040] 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 [ 84.593023] RSP: 002b:00007ffc84764898 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 84.601489] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f3d044c5f33 [ 84.609461] RDX: 0000000000000012 RSI: 00007f3d043b6000 RDI: 0000000000000001 [ 84.617448] RBP: 00007f3d043b6000 R08: 00007f3d043b5010 R09: 0000000000000000 [ 84.625430] R10: 00007f3d045c01c0 R11: 0000000000000246 R12: 0000000000000001 [ 84.633412] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 84.641401] irq event stamp: 0 23 Comm: cat Tainted: G D W 5.10.136-cip13 #1 # [ [ 84.644826] hardirqs last enabled at (0): [<0000000000000000>] 0x0 80.907613] Hardware name: Google Coral/Coral, BIOS 09/29/2020[ 84.658023] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 80.914231] RIP: 0010:lkdtm_WRITE_KERN+0x38/0x4e # [ 8[ 84.673353] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 84.688686] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 84.695695] ---[ end trace 8c1e8df02166ac8f ]--- [ 84.700869] lkdtm: Zero detected: saturated 0.919387] Code: 53 48 c7 c3 f0 b4 96 98 49 89 dc 48 89 da 49 81 ec 60 e5 2d 98 4c 89 e6 e8 9a 9b fd ff 48 89 df 4c 89 e1 48 c7 c6 60 e5 2d 98 a4 48 c7 c7 a0 97 2c 99 e8 7f 9b fd ff 5b 41 5c e9 b7 fe ff ff # [ 80.940350] RSP: 0018:ffff9ebf02697e50 EFLAGS: 00010246 # [ 80.946186] RAX: 000000000000003c RBX: ffffffff9896b4f0 RCX: 000000000068cf90 # [ 80.954156] RDX: 0000000000000000 RSI: ffffffff982de560 RDI: ffffffff9896b4f0 # [ 80.962117] RBP: ffffffff992c89aa R08: 0000000000000000 R09: 0000000000000000 # [ 80.970075] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000068cf90 # [ 80.978041] R13: ffff9ebf02697f10 R14: ffff9ebf02697f10 R15: ffff8f1ac407a000 # [ 80.986005] FS: 00007f3cbd33d580(0000) GS:ffff8f1b3bd00000(0000) knlGS:0000000000000000 # [ 80.995040] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 81.001458] CR2: ffffffff9896b4f0 CR3: 000000010098c000 CR4: 00000000003506e0 # [ 81.009425] Call Trace: # [ 81.012169] direct_entry.cold+0x2c/0x38 # [ 81.016559] full_proxy_write+0x56/0x80 # [ 81.020842] vfs_write+0xea/0x3a0 # [ 81.024545] ksys_write+0x68/0xf0 # [ 81.028248] do_syscall_64+0x33/0x40 # [ 81.032244] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 81.037888] RIP: 0033:0x7f3cbd265f33 # [ 81.041876] 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 # [ 81.062823] RSP: 002b:00007ffcfbea1078 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 81.071274] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f3cbd265f33 # [ 81.079235] RDX: 000000000000000b RSI: 00007f3cbd156000 RDI: 0000000000000001 # [ 81.087198] RBP: 00007f3cbd156000 R08: 00007f3cbd155010 R09: 0000000000000000 # [ 81.095165] R10: 00007f3cbd3601c0 R11: 0000000000000246 R12: 0000000000000001 # [ 81.103139] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 81.111121] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 81.127072] CR2: ffffffff9896b4f0 # [ 81.130775] ---[ end trace 8c1e8df02166ac8a ]--- # [ 81.135934] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 81.140306] Code: 89 ff e8 de bc a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 80 03 74 02 # [ 81.161248] RSP: 0018:ffff9ebf01377e60 EFLAGS: 00010286 # [ 81.167081] RAX: ffffffff982de190 RBX: 0000000000000001 RCX: 0000000000000000 # [ 81.175041] RDX: 0000000000000000 RSI: ffff8f1b3bd1bf70 RDI: ffffffff98ed9d30 # [ 81.183005] RBP: ffffffff99323c60 R08: 0000000000000001 R09: 0000000000000001 # [ 81.190968] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 81.198922] R13: ffff9ebf01377f10 R14: ffff9ebf01377f10 R15: ffff8f1ac2c02000 # [ 81.206889] FS: 00007f3cbd33d580(0000) GS:[ 85.000688] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE [ 85.010018] lkdtm: attempting bad refcount_dec() below zero ffff8f1b3bd00000(0000) knlGS:0000000000000000 # [ 81.215922] [ 85.016259] ------------[ cut here ]------------ [ 85.027604] refcount_t: decrement hit 0; leaking memory. [ 85.033588] WARNING: CPU: 1 PID: 2221 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 [ 85.043020] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 85.058995] CPU: 1 PID: 2221 Comm: cat Tainted: G D W 5.10.136-cip13 #1 [ 85.067661] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 85.074288] RIP: 0010:refcount_warn_saturate+0xfb/0x110 [ 85.080137] Code: 40 44 26 99 c6 05 2a 53 74 01 01 e8 d7 61 98 00 0f 0b c3 cc cc cc cc 48 c7 c7 10 44 26 99 c6 05 11 53 74 01 01 e8 bd 61 98 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b [ 85.101127] RSP: 0018:ffff9ebf0295fe48 EFLAGS: 00010286 [ 85.106985] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000 [ 85.114973] RDX: ffff8f1b3bcac660 RSI: ffff8f1b3bc9bf70 RDI: ffff8f1b3bc9bf70 [ 85.122964] RBP: ffffffff992c89f3 R08: 0000000000000000 R09: 0000000000000000 [ 85.130947] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 [ 85.138921] R13: ffff9ebf0295ff10 R14: ffff9ebf0295ff10 R15: ffff8f1ac59c4000 [ 85.146896] FS: 00007f243c59b580(0000) GS:ffff8f1b3bc80000(0000) knlGS:0000000000000000 [ 85.155951] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 85.162383] CR2: 00007f243c3b4000 CR3: 0000000104e6e000 CR4: 00000000003506e0 [ 85.170360] Call Trace: [ 85.173122] lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x61 [ 85.178495] direct_entry.cold+0x2c/0x38 [ 85.182901] full_proxy_write+0x56/0x80 [ 85.187199] vfs_write+0xea/0x3a0 [ 85.190924] ksys_write+0x68/0xf0 [ 85.194659] do_syscall_64+0x33/0x40 [ 85.198676] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 85.204337] RIP: 0033:0x7f243c4c3f33 [ 85.208343] 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 [ 85.229302] RSP: 002b:00007fffb4587758 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 85.237765] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f243c4c3f33 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 81.2223[ 85.245739] RDX: 0000000000000016 RSI: 00007f243c3b4000 RDI: 0000000000000001 [ 85.259939] RBP: 00007f243c3b4000 R08: 00007f243c3b3010 R09: 0000000000000000 [ 85.267913] R10: 00007f243c5be1c0 R11: 0000000000000246 R12: 0000000000000001 31] CR2: ffffffff9896b4f0 CR3: 000000010098c000 CR4: 00000000003[ 85.275900] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 85.290073] irq event stamp: 0 506e0 # WRITE_KERN: saw 'call trace:': ok ok 41 selftests: lkd[ 85.293492] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 85.306695] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 tm: WRITE_KERN.sh # selftests: lkdtm: REFCOUNT_INC_OVERFLOW.sh[ 85.315834] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 85.331161] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 85.338170] ---[ end trace 8c1e8df02166ac90 ]--- [ 85.343369] lkdtm: Negative detected: saturated # [ 81.557303] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW # [ 81.566059] lkdtm: attempting good refcount_inc() without overflow # [ 81.572979] lkdtm: attempting bad refcount_inc() overflow # [ 81.579032] ------------[ cut here ]------------ # [ 81.584203] refcount_t: saturated; leaking memory. # [ 81.589622] WARNING: CPU: 2 PID: 2058 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 81.599043] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 81.614993] CPU: 2 PID: 2058 Comm: cat Tainted: G D W 5.10.136-cip13 #1 # [ 81.623656] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 81.630274] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 81.636122] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d ce 53 74 01 00 75 ee 48 c7 c7 90 43 26 99 c6 05 be 53 74 01 01 e8 67 62 98 00 <0f> 0b c3 cc cc cc cc 80 3d aa 53 74 01 00 75 cb 48 c7 c7 b8 43 26 # [ 81.657087] RSP: 0018:ffff9ebf026f7e48 EFLAGS: 00010286 # [ 81.662939] RAX: 0000000000000000 RBX: 000000000000002b RCX: 0000000000000000 # [ 81.670920] RDX: ffff8f1b3bd2c660 RSI: ffff8f1b3bd1bf70 RDI: ffff8f1b3bd1bf70 # [ 81.678905] RBP: ffffffff992c89b5 R08: 0000000000000000 R09: 0000000000000000 # [ 81.686898] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 81.694879] R13: ffff9ebf026f7f10 R14: ffff9ebf026f7f10 R15: ffff8f1ac4dfe000 # [ 81.702860] FS: 00007fb822976580(0000) GS:ffff8f1b3bd00000(0000) knlGS:0000000000000000 # [ 81.711896] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 81.718325] CR2: 00007fb82278f000 CR3: 0000000103d24000 CR4: 00000000003506e0 # [ 81.726297] Call Trace: # [ 81.729055] lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x98 # [ 81.734427] direct_entry.cold+0x2c/0x38 # [ 81.738834] full_proxy_write+0x56/0x80 # [ 81.743148] vfs_write+0xea/0x3a0 # [ 81.746875] ksys_write+0x68/0xf0 # [ 81.750616] do_syscall_64+0x33/0x40 # [ 81.754622] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 81.760288] RIP: 0033:0x7fb82289ef33 # [ 81.764310] 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 # [ 81.785294] RSP: 002b:00007ffce770fc68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 81.793766] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fb82289ef33 # [ 81.801738] RDX: 0000000000000016 RSI: 00007fb82278f000 RDI: 0000000000000001 # [ 81.809712] RBP: 00007fb82278f000 R08: 00007fb82278e010 R09: 0000000000000000 # [ 81.823859] R10: 00007fb8229991c0 R11: 0000000000000246 R12: 0000000000000001 # [ 81.831836] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 81.846005] irq event stamp: 0 # [ 81.855595] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 81.868794] hardirqs last disabled at (0): [] cop[ 85.645533] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE [ 85.653866] lkdtm: attempting bad refcount_dec_and_test() below zero [ 85.661007] ------------[ cut here ]------------ y_process+0x640/0x1c80 # [ 81.877940] softirqs last enabled [ 85.666180] refcount_t: underflow; use-after-free. at (0): [] copy_process+0x640/0x1c80 # [ 81[ 85.677795] WARNING: CPU: 2 PID: 2256 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 [ 85.693410] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 85.709436] CPU: 2 PID: 2256 Comm: cat Tainted: G D W 5.10.136-cip13 #1 [ 85.718137] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 85.724769] RIP: 0010:refcount_warn_saturate+0xba/0x110 [ 85.730628] Code: 01 01 e8 21 62 98 00 0f 0b c3 cc cc cc cc 80 3d 63 53 74 01 00 75 85 48 c7 c7 e8 43 26 99 c6 05 53 53 74 01 01 e8 fe 61 98 00 <0f> 0b c3 cc cc cc cc 80 3d 3e 53 74 01 00 0f 85 5e ff ff ff 48 c7 [ 85.751607] RSP: 0018:ffff9ebf029f7e40 EFLAGS: 00010286 [ 85.757456] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000 [ 85.765445] RDX: ffff8f1b3bd2c660 RSI: ffff8f1b3bd1bf70 RDI: ffff8f1b3bd1bf70 [ 85.773438] RBP: ffffffff992c8648 R08: 0000000000000000 R09: 0000000000000000 [ 85.781426] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f [ 85.789411] R13: ffff9ebf029f7f10 R14: ffff9ebf029f7f10 R15: ffff8f1ac3e65000 [ 85.797390] FS: 00007feddc1fd580(0000) GS:ffff8f1b3bd00000(0000) knlGS:0000000000000000 [ 85.806449] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 85.812878] CR2: 00007feddc016000 CR3: 0000000102928000 CR4: 00000000003506e0 [ 85.820858] Call Trace: [ 85.823629] __refcount_sub_and_test.constprop.0+0x3c/0x50 [ 85.829778] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x78 [ 85.836033] direct_entry.cold+0x2c/0x38 [ 85.840440] full_proxy_write+0x56/0x80 [ 85.844742] vfs_write+0xea/0x3a0 [ 85.848467] ksys_write+0x68/0xf0 [ 85.852191] do_syscall_64+0x33/0x40 [ 85.856207] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 85.861867] RIP: 0033:0x7feddc125f33 [ 85.865879] 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 [ 85.886853] RSP: 002b:00007ffe5c9ec108 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 85.895331] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007feddc125f33 [ 85.903325] RDX: 000000000000001f RSI: 00007feddc016000 RDI: 0000000000000001 [ 85.911318] RBP: 00007feddc016000 R08: 00007feddc015010 R09: 0000000000000000 [ 85.919291] R10: 00007feddc2201c0 R11: 0000000000000246 R12: 0000000000000001 [ 85.927270] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 .887095] softirqs last disabled at (0): [<0000000000000000>] 0x0[ 85.935254] irq event stamp: 0 # [ 81.894107] ---[ end trace 8c1e8df02166ac8b ]--- # [ 8[ 85.944850] hardirqs last enabled at (0): [<0000000000000000>] 0x0 1.899300] lkdtm: Overflow detected: saturated # REFCOUNT_INC_OV[ 85.958045] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 85.973366] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 85.982508] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 85.989519] ---[ end trace 8c1e8df02166ac91 ]--- [ 85.994686] lkdtm: Negative detected: saturated ERFLOW: saw 'call trace:': ok ok 42 selftests: lkdtm: REFCOUNT_INC_OVERFLOW.sh # selftests: lkdtm: REFCOUNT_ADD_OVERFLOW.sh # [ 82.181598] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW # [ 82.190219] lkdtm: attempting good refcount_add() without overflow # [ 82.203320] lkdtm: attempting bad refcount_add() overflow # [ 82.215625] ------------[ cut here ]------------ # [ 82.227204] refcount_t: saturated; leaking memory. # [ 82.238926] WARNING: CPU: 3 PID: 2090 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 82.254374] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 82.276392] CPU: 3 PID: 2090 Comm: cat Tainted: G D W 5.10.136-cip13 #1 # [ 82.291286] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 82.304080] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 82.315985] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d ce 53 74 01 00 75 ee 48 c7 c7 90 43 26 99 c6 05 be 53 74 01 01 e8 67 62 98 00 <0f> 0b c3 cc cc cc cc 80 3d aa 53 74 01 00 75 cb 48 c7 c7 b8 43 26 # [ 82.343138] RSP: 0018:ffff9ebf0278fe48 EFLAGS: 00010286 # [ 82.355116] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000 # [ 82.369316] RDX: ffff8f1b3bdac660 RSI: ffff8f1b3bd9bf70 RDI: ffff8f1b3bd9bf70 # [ 82.383433] RBP: ffffffff992c89cb R08: 0000000000000000 R09: 0000000000000000 # [ 82.397631] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 82.411790] R13: ffff9ebf0278ff10 R14: ffff9ebf0278ff10 R15: ffff8f1ac311d000 # [ 82.426010] FS: 00007f54072e4580(0000) GS:ffff8f1b3bd80000(0000) knlGS:0000000000000000 # [ 82.441272] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 82.453821] CR2: 00007f54070fd000 CR3: 0000000103ec6000 CR4: 00000000003506e0 # [ 82.468009] Call Trace: # [ 82.476941] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa7 # [ 82.488486] direct_entry.cold+0x2c/0x38 # [ 82.499099] full_proxy_write+0x56/0x80 # [ 82.509584] vfs_write+0xea/0x3a0 # [ 82.519501] ksys_write+0x68/0xf0 # [ 82.529443] do_syscall_64+0x33/0x40 # [ 82.539630] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 82.551475] RIP: 0033:0x7f540720cf33 # [ 82.561698] 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 # [ 82.588832] RSP: 002b:00007fff40e31228 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 82.603464] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f540720cf33 # [ 82.617652] RDX: 0000000000000016 RSI: 00007f54070fd000 RDI: 0000000000000001 # [ 82.631802] RBP: 00007f54070fd000 R08: 00007f54070fc010 R09: 0000000000000000 # [ 82.646041] R10: 00007f54073071c0 R11: 0000000000000246 R12: 0000000000000001 # [ 82.660408] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 82.674378] irq event stamp: 0 # [ 82.684110] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 82.697234] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 82.712680] softirqs last enabled at[ 86.311113] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE [ 86.323628] lkdtm: attempting bad refcount_sub_and_test() below zero [ 86.330749] ------------[ cut here ]------------ [ 86.335927] refcount_t: underflow; use-after-free. [ 86.341347] WARNING: CPU: 1 PID: 2291 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 (0): [] copy_process+0x640/0x1c80 # [ 82.7[ 86.350788] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 86.372912] CPU: 1 PID: 2291 Comm: cat Tainted: G D W 5.10.136-cip13 #1 [ 86.381561] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 86.388179] RIP: 0010:refcount_warn_saturate+0xba/0x110 [ 86.394018] Code: 01 01 e8 21 62 98 00 0f 0b c3 cc cc cc cc 80 3d 63 53 74 01 00 75 85 48 c7 c7 e8 43 26 99 c6 05 53 53 74 01 01 e8 fe 61 98 00 <0f> 0b c3 cc cc cc cc 80 3d 3e 53 74 01 00 0f 85 5e ff ff ff 48 c7 [ 86.414974] RSP: 0018:ffff9ebf02a7fe40 EFLAGS: 00010286 [ 86.420816] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000 [ 86.428786] RDX: ffff8f1b3bcac660 RSI: ffff8f1b3bc9bf70 RDI: ffff8f1b3bc9bf70 [ 86.436764] RBP: ffffffff992c8668 R08: 0000000000000000 R09: 0000000000000000 [ 86.444747] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f [ 86.452715] R13: ffff9ebf02a7ff10 R14: ffff9ebf02a7ff10 R15: ffff8f1ac3e83000 [ 86.460691] FS: 00007f7e7aa59580(0000) GS:ffff8f1b3bc80000(0000) knlGS:0000000000000000 27973] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 86.469738] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 86.482362] CR2: 00007f7e7a872000 CR3: 0000000104eb6000 CR4: 00000000003506e0 [ 86.490334] Call Trace: [ 86.493090] __refcount_sub_and_test.constprop.0+0x3c/0x50 [ 86.499233] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x7b [ 86.505485] direct_entry.cold+0x2c/0x38 [ 86.509889] full_proxy_write+0x56/0x80 [ 86.514203] vfs_write+0xea/0x3a0 [ 86.517924] ksys_write+0x68/0xf0 [ 86.521650] do_syscall_64+0x33/0x40 [ 86.525668] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 86.531324] RIP: 0033:0x7f7e7a981f33 [ 86.535340] 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 [ 86.556326] RSP: 002b:00007ffc59c995e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 86.564807] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f7e7a981f33 [ 86.572798] RDX: 000000000000001f RSI: 00007f7e7a872000 RDI: 0000000000000001 [ 86.580791] RBP: 00007f7e7a872000 R08: 00007f7e7a871010 R09: 0000000000000000 [ 86.588775] R10: 00007f7e7aa7c1c0 R11: 0000000000000246 R12: 0000000000000001 [ 86.596747] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 82.741180] ---[ end trace 8c1e8df02166ac8c ]--- # [ 82.[ 86.604724] irq event stamp: 0 752632] lkdtm: Overflow detected: saturated # REFCOUNT_ADD_OVER[ 86.614299] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 86.627502] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 86.636663] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 86.645815] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 86.652818] ---[ end trace 8c1e8df02166ac92 ]--- [ 86.657988] lkdtm: Negative detected: saturated FLOW: saw 'call trace:': ok ok 43 selftests: lkdtm: REFCOUNT_ADD_OVERFLOW.sh # selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh # [ 83.063458] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW # [ 83.075011] lkdtm: attempting bad refcount_inc_not_zero() overflow # [ 83.081945] ------------[ cut here ]------------ # [ 83.087110] refcount_t: saturated; leaking memory. # [ 83.098711] WARNING: CPU: 2 PID: 2122 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 83.114323] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 83.130313] CPU: 2 PID: 2122 Comm: cat Tainted: G D W 5.10.136-cip13 #1 # [ 83.138986] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 83.145619] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 83.151479] Code: 01 01 e8 44 62 98 00 0f 0b c3 cc cc cc cc 80 3d 89 53 74 01 00 75 a8 48 c7 c7 90 43 26 99 c6 05 79 53 74 01 01 e8 21 62 98 00 <0f> 0b c3 cc cc cc cc 80 3d 63 53 74 01 00 75 85 48 c7 c7 e8 43 26 # [ 83.172439] RSP: 0018:ffff9ebf0281fe38 EFLAGS: 00010282 # [ 83.178288] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 # [ 83.186264] RDX: ffff8f1b3bd2c660 RSI: ffff8f1b3bd1bf70 RDI: ffff8f1b3bd1bf70 # [ 83.194247] RBP: ffffffff992c8608 R08: 0000000000000000 R09: 0000000000000000 # [ 83.202231] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 83.210208] R13: ffff9ebf0281ff10 R14: ffff9ebf0281ff10 R15: ffff8f1ac59ea000 # [ 83.218187] FS: 00007f907c3be580(0000) GS:ffff8f1b3bd00000(0000) knlGS:0000000000000000 # [ 83.227226] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 83.233654] CR2: 00007f907c1d7000 CR3: 0000000104ffa000 CR4: 00000000003506e0 # [ 83.241634] Call Trace: # [ 83.244395] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 83.250544] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x76 # [ 83.256801] direct_entry.cold+0x2c/0x38 # [ 83.261210] full_proxy_write+0x56/0x80 # [ 83.265519] vfs_write+0xea/0x3a0 # [ 83.269248] ksys_write+0x68/0xf0 # [ 83.272979] do_syscall_64+0x33/0x40 # [ 83.276983] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 83.282643] RIP: 0033:0x7f907c2e6f33 # [ 83.286656] 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 # [ 83.307636] RSP: 002b:00007ffd444f4618 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 83.316109] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f907c2e6f33 # [ 83.324103] RDX: 000000000000001f RSI: 00007f907c1d7000 RDI: 0000000000000001 # [ 83.332083] RBP: 00007f907c1d7000 R08: 00007f907c1d6010 R09: 0000000000000000 # [ 83.340060] R10: 00007f907c3e11c0 R11: 0000000000000246 R12: 0000000000000001 # [ 83.348042] R13: 0000000000000001 R14: 0000000[ 86.952009] lkdtm: Performing direct entry REFCOUNT_INC_ZERO 000020000 R15: 0000000000020000 # [ 83.356026] irq event stam[ 86.960903] lkdtm: attempting safe refcount_inc_not_zero() from zero p: 0 # [ 83.359453] hardirqs last enabled at (0): [<00000000[ 86.974230] lkdtm: Good: zero detected 00000000>] 0x0 # [ 83.372640] hardirqs last disabled at (0): [ 86.984635] lkdtm: Correctly stayed at zero [ 86.995506] lkdtm: attempting bad refcount_inc() from zero [ 87.001645] ------------[ cut here ]------------ [ 87.006808] refcount_t: addition on 0; use-after-free. [] copy_process+0x640/0x1c80 # [ 83.387955][ 87.012624] WARNING: CPU: 0 PID: 2323 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 softirqs last enabled at (0): [] copy_proces[ 87.028213] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify s+0x640/0x1c80 # [ 83.403277] softirqs last disabled at (0): [ 87.050419] CPU: 0 PID: 2323 Comm: cat Tainted: G D W 5.10.136-cip13 #1 [<0000000000000000>] 0x0 # [ 83.410282] ---[ end trace 8c1e8d[ 87.065268] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 87.078087] RIP: 0010:refcount_warn_saturate+0x74/0x110 [ 87.083946] Code: 01 01 e8 67 62 98 00 0f 0b c3 cc cc cc cc 80 3d aa 53 74 01 00 75 cb 48 c7 c7 b8 43 26 99 c6 05 9a 53 74 01 01 e8 44 62 98 00 <0f> 0b c3 cc cc cc cc 80 3d 89 53 74 01 00 75 a8 48 c7 c7 90 43 26 [ 87.104908] RSP: 0018:ffff9ebf02ad7e48 EFLAGS: 00010286 [ 87.110765] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000 [ 87.118751] RDX: ffff8f1b3bc2c660 RSI: ffff8f1b3bc1bf70 RDI: ffff8f1b3bc1bf70 [ 87.126731] RBP: ffffffff992c8a09 R08: 0000000000000000 R09: 0000000000000000 f02166ac8d ]--- # [ 83.415445] lkdtm: Overflow detected: satu[ 87.134704] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 [ 87.148872] R13: ffff9ebf02ad7f10 R14: ffff9ebf02ad7f10 R15: ffff8f1ac29c1000 [ 87.156842] FS: 00007f3286bca580(0000) GS:ffff8f1b3bc00000(0000) knlGS:0000000000000000 [ 87.165872] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 87.172296] CR2: 00007f32869e3000 CR3: 0000000104f1c000 CR4: 00000000003506f0 [ 87.180269] Call Trace: [ 87.183026] lkdtm_REFCOUNT_INC_ZERO+0x99/0xc1 rated # REFCOUNT_INC_NOT_ZERO_OVERFLOW: saw 'call trace:': ok [ 87.188008] direct_entry.cold+0x2c/0x38 [ 87.198566] full_proxy_write+0x56/0x80 [ 87.202868] vfs_write+0xea/0x3a0 [ 87.206585] ksys_write+0x68/0xf0 [ 87.210308] do_syscall_64+0x33/0x40 [ 87.214318] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 87.219970] RIP: 0033:0x7f3286af2f33 [ 87.223976] 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 [ 87.244922] RSP: 002b:00007fff32aa7648 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 ok 44 selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh # sel[ 87.253385] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f3286af2f33 ftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh # [ 83.70942[ 87.267538] RDX: 0000000000000012 RSI: 00007f32869e3000 RDI: 0000000000000001 7] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW[ 87.281702] RBP: 00007f32869e3000 R08: 00007f32869e2010 R09: 0000000000000000 [ 87.295873] R10: 00007f3286bed1c0 R11: 0000000000000246 R12: 0000000000000001 [ 87.303852] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 87.311843] irq event stamp: 0 # [ 83.719672] lkdtm: attempting bad refcount_add_not_zero()[ 87.315274] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 87.328466] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 87.337607] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 87.346754] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 87.353763] ---[ end trace 8c1e8df02166ac93 ]--- [ 87.358927] lkdtm: Zero detected: saturated overflow # [ 83.726625] ------------[ cut here ]------------ # [ 83.731789] refcount_t: saturated; leaking memory. # [ 83.743390] WARNING: CPU: 1 PID: 2154 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 83.752819] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 83.768772] CPU: 1 PID: 2154 Comm: cat Tainted: G D W 5.10.136-cip13 #1 # [ 83.783617] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 83.790252] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 83.796108] Code: 01 01 e8 44 62 98 00 0f 0b c3 cc cc cc cc 80 3d 89 53 74 01 00 75 a8 48 c7 c7 90 43 26 99 c6 05 79 53 74 01 01 e8 21 62 98 00 <0f> 0b c3 cc cc cc cc 80 3d 63 53 74 01 00 75 85 48 c7 c7 e8 43 26 # [ 83.817084] RSP: 0018:ffff9ebf0289fe38 EFLAGS: 00010282 # [ 83.822933] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 # [ 83.830906] RDX: ffff8f1b3bcac660 RSI: ffff8f1b3bc9bf70 RDI: ffff8f1b3bc9bf70 # [ 83.838879] RBP: ffffffff992c8628 R08: 0000000000000000 R09: 0000000000000000 # [ 83.846854] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 83.854826] R13: ffff9ebf0289ff10 R14: ffff9ebf0289ff10 R15: ffff8f1ac3ad1000 # [ 83.862802] FS: 00007fa050c88580(0000) GS:ffff8f1b3bc80000(0000) knlGS:0000000000000000 # [ 83.871840] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 83.878263] CR2: 00007fa050aa1000 CR3: 0000000104d06000 CR4: 00000000003506e0 # [ 83.886231] Call Trace: # [ 83.888987] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 83.895128] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x76 # [ 83.901370] direct_entry.cold+0x2c/0x38 # [ 83.905776] full_proxy_write+0x56/0x80 # [ 83.910073] vfs_write+0xea/0x3a0 # [ 83.919968] ksys_write+0x68/0xf0 # [ 83.929877] do_syscall_64+0x33/0x40 # [ 83.933889] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 83.939549] RIP: 0033:0x7fa050bb0f33 # [ 83.943554] 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 # [ 83.964518] RSP: 002b:00007ffee7e931b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 83.972991] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fa050bb0f33 # [ 83.980970] RDX: 000000000000001f RSI: 00007fa050aa1000 RDI: 0000000000000001 # [ 83.988963] RBP: 00007fa050aa1000 R08: 00007fa050aa0010 R09: 0000000000000000 # [ 83.996944] R10: 00007fa050cab1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 84.004918] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 84.019117] irq event stamp: 0 # [ 84.022547] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 84.029573] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 84.038717] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ [ 87.659256] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO [ 87.667969] lkdtm: attempting safe refcount_add_not_zero() from zero [ 87.675125] lkdtm: Good: zero detected 84.047862] softirqs last disabled at (0): [<0000000000000000>][ 87.679337] lkdtm: Correctly stayed at zero 0x0 # [ 84.054862] ---[ end trace 8c1e8df02166ac8e ]--- # [[ 87.690205] lkdtm: attempting bad refcount_add() from zero [ 87.702540] ------------[ cut here ]------------ [ 87.707728] refcount_t: addition on 0; use-after-free. [ 87.713540] WARNING: CPU: 1 PID: 2355 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 [ 87.722999] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 87.739029] CPU: 1 PID: 2355 Comm: cat Tainted: G D W 5.10.136-cip13 #1 84.060031] lkdtm: Overflow detected: saturated # REFCOUNT_AD[ 87.747717] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 87.760503] RIP: 0010:refcount_warn_saturate+0x74/0x110 [ 87.766346] Code: 01 01 e8 67 62 98 00 0f 0b c3 cc cc cc cc 80 3d aa 53 74 01 00 75 cb 48 c7 c7 b8 43 26 99 c6 05 9a 53 74 01 01 e8 44 62 98 00 <0f> 0b c3 cc cc cc cc 80 3d 89 53 74 01 00 75 a8 48 c7 c7 90 43 26 [ 87.787336] RSP: 0018:ffff9ebf02b7fe48 EFLAGS: 00010286 [ 87.793196] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000 [ 87.801181] RDX: ffff8f1b3bcac660 RSI: ffff8f1b3bc9bf70 RDI: ffff8f1b3bc9bf70 [ 87.809174] RBP: ffffffff992c8a1b R08: 0000000000000000 R09: 0000000000000000 [ 87.817161] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 [ 87.825146] R13: ffff9ebf02b7ff10 R14: ffff9ebf02b7ff10 R15: ffff8f1ac08eb000 [ 87.833133] FS: 00007fa03999a580(0000) GS:ffff8f1b3bc80000(0000) knlGS:0000000000000000 [ 87.842186] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 87.848621] CR2: 00007fa0397b3000 CR3: 000000010098c000 CR4: 00000000003506e0 [ 87.856608] Call Trace: [ 87.859374] lkdtm_REFCOUNT_ADD_ZERO+0x99/0xc1 [ 87.864369] direct_entry.cold+0x2c/0x38 [ 87.868784] full_proxy_write+0x56/0x80 [ 87.873102] vfs_write+0xea/0x3a0 [ 87.876833] ksys_write+0x68/0xf0 [ 87.880568] do_syscall_64+0x33/0x40 [ 87.884589] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 87.890260] RIP: 0033:0x7fa0398c2f33 [ 87.894279] 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 [ 87.915283] RSP: 002b:00007ffc5c14a378 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 87.923761] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fa0398c2f33 [ 87.931754] RDX: 0000000000000012 RSI: 00007fa0397b3000 RDI: 0000000000000001 [ 87.939745] RBP: 00007fa0397b3000 R08: 00007fa0397b2010 R09: 0000000000000000 [ 87.947735] R10: 00007fa0399bd1c0 R11: 0000000000000246 R12: 0000000000000001 D_NOT_ZERO_OVERFLOW: saw 'call trace:': ok ok 45 selftests: lkd[ 87.955738] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 tm: REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh # selftests: lkdtm: REFCO[ 87.969903] irq event stamp: 0 UNT_DEC_ZERO.sh # [ 84.354306] lkdtm: Performing direct entry[ 87.979520] hardirqs last enabled at (0): [<0000000000000000>] 0x0 REFCOUNT_DEC_ZERO # [ 84.362852] lkdtm: attempting good refc[ 87.992750] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 88.008089] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 88.017255] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 88.024277] ---[ end trace 8c1e8df02166ac94 ]--- [ 88.029457] lkdtm: Zero detected: saturated ount_dec() # [ 84.368118] lkdtm: attempting bad refcount_dec() to zero # [ 84.374065] ------------[ cut here ]------------ # [ 84.385415] refcount_t: decrement hit 0; leaking memory. # [ 84.391410] WARNING: CPU: 1 PID: 2186 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 84.400850] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 84.416836] CPU: 1 PID: 2186 Comm: cat Tainted: G D W 5.10.136-cip13 #1 # [ 84.425537] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 84.432191] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 84.438053] Code: 40 44 26 99 c6 05 2a 53 74 01 01 e8 d7 61 98 00 0f 0b c3 cc cc cc cc 48 c7 c7 10 44 26 99 c6 05 11 53 74 01 01 e8 bd 61 98 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 84.459039] RSP: 0018:ffff9ebf02907e48 EFLAGS: 00010286 # [ 84.464889] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000 # [ 84.472868] RDX: ffff8f1b3bcac660 RSI: ffff8f1b3bc9bf70 RDI: ffff8f1b3bc9bf70 # [ 84.480846] RBP: ffffffff992c89e1 R08: 0000000000000000 R09: 0000000000000000 # [ 84.488832] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 84.496813] R13: ffff9ebf02907f10 R14: ffff9ebf02907f10 R15: ffff8f1ac3d1d000 # [ 84.504802] FS: 00007f3d0459d580(0000) GS:ffff8f1b3bc80000(0000) knlGS:0000000000000000 # [ 84.513839] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 84.520270] CR2: 00007f3d043b6000 CR3: 00000001031c8000 CR4: 00000000003506e0 # [ 84.528250] Call Trace: # [ 84.531008] lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xbd # [ 84.535994] direct_entry.cold+0x2c/0x38 # [ 84.540402] full_proxy_write+0x56/0x80 # [ 84.544708] vfs_write+0xea/0x3a0 # [ 84.554623] ksys_write+0x68/0xf0 # [ 84.558351] do_syscall_64+0x33/0x40 # [ 84.562365] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 84.568027] RIP: 0033:0x7f3d044c5f33 # [ 84.572040] 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 # [ 84.593023] RSP: 002b:00007ffc84764898 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 84.601489] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f3d044c5f33 # [ 84.609461] RDX: 0000000000000012 RSI: 00007f3d043b6000 RDI: 0000000000000001 # [ 84.617448] RBP: 00007f3d043b6000 R08: 00007f3d043b5010 R09: 0000000000000000 # [ 84.625430] R10: 00007f3d045c01c0 R11: 0000000000000246 R12: 0000000000000001 # [ 84.633412] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 84.641401] irq event stamp: 0 # [ 84.644826] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 84.658023] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 84.673353] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 84.688686] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 84.695695] ---[ end trace 8c1e8df02166ac8f ]--- # [ 84.700869] lkdtm: Zero detected: saturated # REFCOUNT_DEC_ZERO: saw 'call trace:': ok ok 46 selftests: lkdtm: REFCOUNT_DEC_ZERO.sh[ 88.354693] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED [ 88.363996] lkdtm: attempting bad refcount_inc() from saturated [ 88.370660] ------------[ cut here ]------------ [ 88.375834] refcount_t: saturated; leaking memory. [ 88.381251] WARNING: CPU: 2 PID: 2390 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # selftests: lkdtm: REFCOUNT_DEC_NEGATIVE.sh # [ 85.000688] [ 88.390694] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 88.412867] CPU: 2 PID: 2390 Comm: cat Tainted: G D W 5.10.136-cip13 #1 [ 88.421540] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 88.428178] RIP: 0010:refcount_warn_saturate+0x51/0x110 [ 88.434042] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d ce 53 74 01 00 75 ee 48 c7 c7 90 43 26 99 c6 05 be 53 74 01 01 e8 67 62 98 00 <0f> 0b c3 cc cc cc cc 80 3d aa 53 74 01 00 75 cb 48 c7 c7 b8 43 26 [ 88.455056] RSP: 0018:ffff9ebf02bffe48 EFLAGS: 00010286 [ 88.460920] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000 [ 88.468912] RDX: ffff8f1b3bd2c660 RSI: ffff8f1b3bd1bf70 RDI: ffff8f1b3bd1bf70 [ 88.476897] RBP: ffffffff992c8a2d R08: 0000000000000000 R09: 0000000000000000 [ 88.484888] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 [ 88.492877] R13: ffff9ebf02bfff10 R14: ffff9ebf02bfff10 R15: ffff8f1ac31f5000 [ 88.500873] FS: 00007f5120fa7580(0000) GS:ffff8f1b3bd00000(0000) knlGS:0000000000000000 [ 88.509937] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 88.516375] CR2: 00007f5120dc0000 CR3: 00000001058ee000 CR4: 00000000003506e0 [ 88.524365] Call Trace: [ 88.527126] lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x64 [ 88.532613] direct_entry.cold+0x2c/0x38 [ 88.537016] full_proxy_write+0x56/0x80 [ 88.541331] vfs_write+0xea/0x3a0 [ 88.545050] ksys_write+0x68/0xf0 [ 88.548792] do_syscall_64+0x33/0x40 [ 88.552816] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 88.558485] RIP: 0033:0x7f5120ecff33 [ 88.562502] 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 [ 88.583517] RSP: 002b:00007fff285bbc98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 88.591999] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f5120ecff33 [ 88.599993] RDX: 0000000000000017 RSI: 00007f5120dc0000 RDI: 0000000000000001 [ 88.607976] RBP: 00007f5120dc0000 R08: 00007f5120dbf010 R09: 0000000000000000 [ 88.615965] R10: 00007f5120fca1c0 R11: 0000000000000246 R12: 0000000000000001 [ 88.623955] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE # [ 85.0[ 88.631943] irq event stamp: 0 10018] lkdtm: attempting bad refcount_dec() below zero # [ 85[ 88.641547] hardirqs last enabled at (0): [<0000000000000000>] 0x0 .016259] ------------[ cut here ]------------ # [ 85.027604] [ 88.654743] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 88.670094] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 88.679253] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 88.686265] ---[ end trace 8c1e8df02166ac95 ]--- [ 88.691445] lkdtm: Saturation detected: still saturated refcount_t: decrement hit 0; leaking memory. # [ 85.033588] WARNING: CPU: 1 PID: 2221 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 85.043020] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 85.058995] CPU: 1 PID: 2221 Comm: cat Tainted: G D W 5.10.136-cip13 #1 # [ 85.067661] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 85.074288] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 85.080137] Code: 40 44 26 99 c6 05 2a 53 74 01 01 e8 d7 61 98 00 0f 0b c3 cc cc cc cc 48 c7 c7 10 44 26 99 c6 05 11 53 74 01 01 e8 bd 61 98 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 85.101127] RSP: 0018:ffff9ebf0295fe48 EFLAGS: 00010286 # [ 85.106985] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000 # [ 85.114973] RDX: ffff8f1b3bcac660 RSI: ffff8f1b3bc9bf70 RDI: ffff8f1b3bc9bf70 # [ 85.122964] RBP: ffffffff992c89f3 R08: 0000000000000000 R09: 0000000000000000 # [ 85.130947] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 85.138921] R13: ffff9ebf0295ff10 R14: ffff9ebf0295ff10 R15: ffff8f1ac59c4000 # [ 85.146896] FS: 00007f243c59b580(0000) GS:ffff8f1b3bc80000(0000) knlGS:0000000000000000 # [ 85.155951] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 85.162383] CR2: 00007f243c3b4000 CR3: 0000000104e6e000 CR4: 00000000003506e0 # [ 85.170360] Call Trace: # [ 85.173122] lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x61 # [ 85.178495] direct_entry.cold+0x2c/0x38 # [ 85.182901] full_proxy_write+0x56/0x80 # [ 85.187199] vfs_write+0xea/0x3a0 # [ 85.190924] ksys_write+0x68/0xf0 # [ 85.194659] do_syscall_64+0x33/0x40 # [ 85.198676] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 85.204337] RIP: 0033:0x7f243c4c3f33 # [ 85.208343] 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 # [ 85.229302] RSP: 002b:00007fffb4587758 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 85.237765] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f243c4c3f33 # [ 85.245739] RDX: 0000000000000016 RSI: 00007f243c3b4000 RDI: 0000000000000001 # [ 85.259939] RBP: 00007f243c3b4000 R08: 00007f243c3b3010 R09: 0000000000000000 # [ 85.267913] R10: 00007f243c5be1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 85.275900] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 85.290073] irq event stamp: 0 # [ 85.293492] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 85.306695] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 85.315834] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 85.331161] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 85.338170] ---[ end trace 8c1e8df02166ac90 ]--- # [ 85.343369] lkdtm: Negative detected: saturated # REFCOUNT_DEC_NEGATIVE: saw 'Negative detected: saturated': ok ok 47 selftests: lkdtm: REFCOUNT_DEC_NEGATIVE.sh # selftests: lkdtm: REFCOUNT_DEC_AND_TEST_NEGATIV[ 89.007624] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED [ 89.020651] lkdtm: attempting bad refcount_dec() from saturated [ 89.027292] ------------[ cut here ]------------ [ 89.032466] refcount_t: decrement hit 0; leaking memory. E.sh # [ 85.645533] lkdtm: Performing direct entry REFCOUNT_D[ 89.038467] WARNING: CPU: 0 PID: 2425 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 EC_AND_TEST_NEGATIVE # [ 85.653866] lkdtm: attempting bad ref[ 89.054092] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify count_dec_and_test() below zero # [ 85.661007] ------------[ [ 89.076311] CPU: 0 PID: 2425 Comm: cat Tainted: G D W 5.10.136-cip13 #1 cut here ]------------ # [ 85.666180] refcount_t: underflow; [ 89.091153] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 89.103994] RIP: 0010:refcount_warn_saturate+0xfb/0x110 [ 89.109847] Code: 40 44 26 99 c6 05 2a 53 74 01 01 e8 d7 61 98 00 0f 0b c3 cc cc cc cc 48 c7 c7 10 44 26 99 c6 05 11 53 74 01 01 e8 bd 61 98 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b [ 89.130809] RSP: 0018:ffff9ebf02c87e48 EFLAGS: 00010286 [ 89.136658] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000 [ 89.144644] RDX: ffff8f1b3bc2c660 RSI: ffff8f1b3bc1bf70 RDI: ffff8f1b3bc1bf70 [ 89.152624] RBP: ffffffff992c8a44 R08: 0000000000000000 R09: 0000000000000000 [ 89.160595] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 [ 89.168579] R13: ffff9ebf02c87f10 R14: ffff9ebf02c87f10 R15: ffff8f1ac266c000 [ 89.176556] FS: 00007f3e15950580(0000) GS:ffff8f1b3bc00000(0000) knlGS:0000000000000000 [ 89.185606] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 89.192032] CR2: 00007f3e15769000 CR3: 000000010317a000 CR4: 00000000003506f0 [ 89.200010] Call Trace: [ 89.202768] lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5f [ 89.208236] direct_entry.cold+0x2c/0x38 [ 89.212643] full_proxy_write+0x56/0x80 [ 89.216953] vfs_write+0xea/0x3a0 use-after-free. # [ 85.677795] WARNING: CPU: 2 PID: 2256 at l[ 89.220680] ksys_write+0x68/0xf0 [ 89.230599] do_syscall_64+0x33/0x40 [ 89.234619] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 89.240281] RIP: 0033:0x7f3e15878f33 [ 89.244290] 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 [ 89.265250] RSP: 002b:00007ffe0ae71278 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 89.273710] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f3e15878f33 [ 89.281693] RDX: 0000000000000017 RSI: 00007f3e15769000 RDI: 0000000000000001 ib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 85.693[ 89.289668] RBP: 00007f3e15769000 R08: 00007f3e15768010 R09: 0000000000000000 410] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_[ 89.303836] R10: 00007f3e159731c0 R11: 0000000000000246 R12: 0000000000000001 [ 89.317997] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 89.325990] irq event stamp: 0 debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_[ 89.329415] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 89.342622] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 89.351770] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 89.360914] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 89.367915] ---[ end trace 8c1e8df02166ac96 ]--- [ 89.373084] lkdtm: Saturation detected: still saturated ec_dev cros_usbpd_notify # [ 85.709436] CPU: 2 PID: 2256 Comm: cat Tainted: G D W 5.10.136-cip13 #1 # [ 85.718137] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 85.724769] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 85.730628] Code: 01 01 e8 21 62 98 00 0f 0b c3 cc cc cc cc 80 3d 63 53 74 01 00 75 85 48 c7 c7 e8 43 26 99 c6 05 53 53 74 01 01 e8 fe 61 98 00 <0f> 0b c3 cc cc cc cc 80 3d 3e 53 74 01 00 0f 85 5e ff ff ff 48 c7 # [ 85.751607] RSP: 0018:ffff9ebf029f7e40 EFLAGS: 00010286 # [ 85.757456] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000 # [ 85.765445] RDX: ffff8f1b3bd2c660 RSI: ffff8f1b3bd1bf70 RDI: ffff8f1b3bd1bf70 # [ 85.773438] RBP: ffffffff992c8648 R08: 0000000000000000 R09: 0000000000000000 # [ 85.781426] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 85.789411] R13: ffff9ebf029f7f10 R14: ffff9ebf029f7f10 R15: ffff8f1ac3e65000 # [ 85.797390] FS: 00007feddc1fd580(0000) GS:ffff8f1b3bd00000(0000) knlGS:0000000000000000 # [ 85.806449] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 85.812878] CR2: 00007feddc016000 CR3: 0000000102928000 CR4: 00000000003506e0 # [ 85.820858] Call Trace: # [ 85.823629] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 85.829778] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x78 # [ 85.836033] direct_entry.cold+0x2c/0x38 # [ 85.840440] full_proxy_write+0x56/0x80 # [ 85.844742] vfs_write+0xea/0x3a0 # [ 85.848467] ksys_write+0x68/0xf0 # [ 85.852191] do_syscall_64+0x33/0x40 # [ 85.856207] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 85.861867] RIP: 0033:0x7feddc125f33 # [ 85.865879] 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 # [ 85.886853] RSP: 002b:00007ffe5c9ec108 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 85.895331] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007feddc125f33 # [ 85.903325] RDX: 000000000000001f RSI: 00007feddc016000 RDI: 0000000000000001 # [ 85.911318] RBP: 00007feddc016000 R08: 00007feddc015010 R09: 0000000000000000 # [ 85.919291] R10: 00007feddc2201c0 R11: 0000000000000246 R12: 0000000000000001 # [ 85.927270] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 85.935254] irq event stamp: 0 # [ 85.944850] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 85.958045] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 85.973366] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 85.982508] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 85.989519] ---[ end trace 8c1e8df02166ac91 ]--- # [ 85.994686] lkdtm: Negative detected: saturated # REFCOUNT_DEC_AND_TEST_NEGATIVE: saw 'Negative detected: saturated': ok ok 48 selftests: lkdtm: REFCOUNT_DEC_AND_TEST_NEGATIVE.sh # selftests: lkdtm: REFCOUNT_SUB_AND_TEST_NEGATIVE.sh # [ 86.311113] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE # [ 86.323628] lkdtm: attempting bad refcount_sub_and_test() below zero # [ 86.330749] ------------[ cut here ]------------ # [ 86.335927] refcount_t: underflow; u[ 89.698451] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED [ 89.708255] lkdtm: attempting bad refcount_dec() from saturated [ 89.714907] ------------[ cut here ]------------ se-after-free. # [ 86.341347] WARNING: CPU: 1 PID: 2291 at li[ 89.720072] refcount_t: saturated; leaking memory. b/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 86.3507[ 89.731672] WARNING: CPU: 2 PID: 2460 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 [ 89.747243] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 89.763250] CPU: 2 PID: 2460 Comm: cat Tainted: G D W 5.10.136-cip13 #1 88] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_d[ 89.771930] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 89.784725] RIP: 0010:refcount_warn_saturate+0x51/0x110 ebugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_e[ 89.790579] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d ce 53 74 01 00 75 ee 48 c7 c7 90 43 26 99 c6 05 be 53 74 01 01 e8 67 62 98 00 <0f> 0b c3 cc cc cc cc 80 3d aa 53 74 01 00 75 cb 48 c7 c7 b8 43 26 c_dev cros_usbpd_notify # [ 86.372912] CPU: 1 PID: 2291 Comm:[ 89.817741] RSP: 0018:ffff9ebf02d07e48 EFLAGS: 00010286 [ 89.829797] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000 [ 89.837791] RDX: ffff8f1b3bd2c660 RSI: ffff8f1b3bd1bf70 RDI: ffff8f1b3bd1bf70 [ 89.845783] RBP: ffffffff992c8a5b R08: 0000000000000000 R09: 0000000000000000 [ 89.853772] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 [ 89.861755] R13: ffff9ebf02d07f10 R14: ffff9ebf02d07f10 R15: ffff8f1ac4b6f000 [ 89.869736] FS: 00007f0e6fc96580(0000) GS:ffff8f1b3bd00000(0000) knlGS:0000000000000000 cat Tainted: G D W 5.10.136-cip13 #1 # [ 86.381[ 89.878781] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 89.891375] CR2: 00007f0e6faaf000 CR3: 000000010407a000 CR4: 00000000003506e0 [ 89.899347] Call Trace: [ 89.902107] lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x64 [ 89.907574] direct_entry.cold+0x2c/0x38 [ 89.911977] full_proxy_write+0x56/0x80 [ 89.916281] vfs_write+0xea/0x3a0 [ 89.920002] ksys_write+0x68/0xf0 [ 89.923727] do_syscall_64+0x33/0x40 561] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ [ 89.927739] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 89.939595] RIP: 0033:0x7f0e6fbbef33 [ 89.943612] 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 [ 89.964566] RSP: 002b:00007ffcaa05cfe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 89.973032] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f0e6fbbef33 [ 89.981009] RDX: 0000000000000017 RSI: 00007f0e6faaf000 RDI: 0000000000000001 [ 89.988984] RBP: 00007f0e6faaf000 R08: 00007f0e6faae010 R09: 0000000000000000 [ 89.996956] R10: 00007f0e6fcb91c0 R11: 0000000000000246 R12: 0000000000000001 86.388179] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 86[ 90.004926] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 .394018] Code: 01 01 e8 21 62 98 00 0f 0b c3 cc cc cc cc 80 3d 6[ 90.019099] irq event stamp: 0 3 53 74 01 00 75 85 48 c7 c7 e8 43 26 99 c6 05 53 53 74 01 01 e8[ 90.028714] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 90.041930] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 90.051079] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 90.060238] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 90.067260] ---[ end trace 8c1e8df02166ac97 ]--- [ 90.072431] lkdtm: Saturation detected: still saturated fe 61 98 00 <0f> 0b c3 cc cc cc cc 80 3d 3e 53 74 01 00 0f 85 5e ff ff ff 48 c7 # [ 86.414974] RSP: 0018:ffff9ebf02a7fe40 EFLAGS: 00010286 # [ 86.420816] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000 # [ 86.428786] RDX: ffff8f1b3bcac660 RSI: ffff8f1b3bc9bf70 RDI: ffff8f1b3bc9bf70 # [ 86.436764] RBP: ffffffff992c8668 R08: 0000000000000000 R09: 0000000000000000 # [ 86.444747] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 86.452715] R13: ffff9ebf02a7ff10 R14: ffff9ebf02a7ff10 R15: ffff8f1ac3e83000 # [ 86.460691] FS: 00007f7e7aa59580(0000) GS:ffff8f1b3bc80000(0000) knlGS:0000000000000000 # [ 86.469738] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 86.482362] CR2: 00007f7e7a872000 CR3: 0000000104eb6000 CR4: 00000000003506e0 # [ 86.490334] Call Trace: # [ 86.493090] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 86.499233] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x7b # [ 86.505485] direct_entry.cold+0x2c/0x38 # [ 86.509889] full_proxy_write+0x56/0x80 # [ 86.514203] vfs_write+0xea/0x3a0 # [ 86.517924] ksys_write+0x68/0xf0 # [ 86.521650] do_syscall_64+0x33/0x40 # [ 86.525668] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 86.531324] RIP: 0033:0x7f7e7a981f33 # [ 86.535340] 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 # [ 86.556326] RSP: 002b:00007ffc59c995e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 86.564807] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f7e7a981f33 # [ 86.572798] RDX: 000000000000001f RSI: 00007f7e7a872000 RDI: 0000000000000001 # [ 86.580791] RBP: 00007f7e7a872000 R08: 00007f7e7a871010 R09: 0000000000000000 # [ 86.588775] R10: 00007f7e7aa7c1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 86.596747] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 86.604724] irq event stamp: 0 # [ 86.614299] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 86.627502] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 86.636663] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 86.645815] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 86.652818] ---[ end trace 8c1e8df02166ac92 ]--- # [ 86.657988] lkdtm: Negative detected: saturated # REFCOUNT_SUB_AND_TEST_NEGATIVE: saw 'Negative detected: saturated': ok ok 49 selftests: lkdtm: REFCOUNT_SUB_AND_TEST_NEGATIVE.sh # selftests: lkdtm: REFCOUNT_INC_ZERO.sh # [ 86.952009] lkdtm: Performing direct entry REFCOUNT_INC_ZERO # [ 86.960903] lkdtm: attempting safe refcount_inc_not_zero() from zero # [ 86.974230] lkdtm: Good: zero detected # [ 86.984635] lkdtm: Correctly stayed at zero # [ 86.995506] lkdtm: attempting bad refcount_inc() from zero # [ 87.001645] ------------[ cut here ]------------ # [ 87.006808] refcount_t: addition on 0; use-after-free. # [ 87.012624] WARNING: CPU: 0 PID: 2323 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 # [ 87.028213] Modules linked in: fuse ip_tables cros_ec_lightbar [ 90.394328] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED [ 90.402630] lkdtm: attempting bad refcount_inc_not_zero() from saturated [ 90.410144] ------------[ cut here ]------------ cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_therm[ 90.415315] refcount_t: saturated; leaking memory. al cros_ec_dev cros_usbpd_notify # [ 87.050419] CPU: 0 PID: 2[ 90.426921] WARNING: CPU: 1 PID: 2492 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 [ 90.442536] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 90.458517] CPU: 1 PID: 2492 Comm: cat Tainted: G D W 5.10.136-cip13 #1 [ 90.467185] Hardware name: Google Coral/Coral, BIOS 09/29/2020 323 Comm: cat Tainted: G D W 5.10.136-cip13 #1 # [[ 90.473866] RIP: 0010:refcount_warn_saturate+0x97/0x110 [ 90.485954] Code: 01 01 e8 44 62 98 00 0f 0b c3 cc cc cc cc 80 3d 89 53 74 01 00 75 a8 48 c7 c7 90 43 26 99 c6 05 79 53 74 01 01 e8 21 62 98 00 <0f> 0b c3 cc cc cc cc 80 3d 63 53 74 01 00 75 85 48 c7 c7 e8 43 26 [ 90.506940] RSP: 0018:ffff9ebf02d97e38 EFLAGS: 00010282 [ 90.512799] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 [ 90.520796] RDX: ffff8f1b3bcac660 RSI: ffff8f1b3bc9bf70 RDI: ffff8f1b3bc9bf70 [ 90.528782] RBP: ffffffff992c8688 R08: 0000000000000000 R09: 0000000000000000 [ 90.536776] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 [ 90.544771] R13: ffff9ebf02d97f10 R14: ffff9ebf02d97f10 R15: ffff8f1ac5baa000 87.065268] Hardware name: Google Coral/Coral, BIOS 09/29/202[ 90.552763] FS: 00007f4283596580(0000) GS:ffff8f1b3bc80000(0000) knlGS:0000000000000000 [ 90.568024] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 90.574453] CR2: 00007f42833af000 CR3: 000000010272c000 CR4: 00000000003506e0 [ 90.582442] Call Trace: [ 90.585200] __refcount_add_not_zero.constprop.0+0x2a/0x35 [ 90.591356] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x76 [ 90.597691] direct_entry.cold+0x2c/0x38 [ 90.602101] full_proxy_write+0x56/0x80 [ 90.606410] vfs_write+0xea/0x3a0 [ 90.610135] ksys_write+0x68/0xf0 [ 90.613860] do_syscall_64+0x33/0x40 [ 90.617873] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 90.623534] RIP: 0033:0x7f42834bef33 [ 90.627548] 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 [ 90.648511] RSP: 002b:00007ffc42def638 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 90.656973] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f42834bef33 [ 90.664954] RDX: 0000000000000020 RSI: 00007f42833af000 RDI: 0000000000000001 [ 90.672945] RBP: 00007f42833af000 R08: 00007f42833ae010 R09: 0000000000000000 [ 90.680938] R10: 00007f42835b91c0 R11: 0000000000000246 R12: 0000000000000001 0 # [ 87.078087] RIP: 0010:refcount_warn_saturate+0x74/0x110[ 90.688934] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 87.083946] Code: 01 01 e8 67 62 98 00 0f 0b c3 cc cc cc c[ 90.703138] irq event stamp: 0 c 80 3d aa 53 74 01 00 75 cb 48 c7 c7 b8 43 26 99 c6 05 9a 53 74[ 90.712756] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 90.725978] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 90.735128] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 90.744285] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 90.751309] ---[ end trace 8c1e8df02166ac98 ]--- [ 90.756483] lkdtm: Saturation detected: still saturated 01 01 e8 44 62 98 00 <0f> 0b c3 cc cc cc cc 80 3d 89 53 74 01 00 75 a8 48 c7 c7 90 43 26 # [ 87.104908] RSP: 0018:ffff9ebf02ad7e48 EFLAGS: 00010286 # [ 87.110765] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000 # [ 87.118751] RDX: ffff8f1b3bc2c660 RSI: ffff8f1b3bc1bf70 RDI: ffff8f1b3bc1bf70 # [ 87.126731] RBP: ffffffff992c8a09 R08: 0000000000000000 R09: 0000000000000000 # [ 87.134704] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 87.148872] R13: ffff9ebf02ad7f10 R14: ffff9ebf02ad7f10 R15: ffff8f1ac29c1000 # [ 87.156842] FS: 00007f3286bca580(0000) GS:ffff8f1b3bc00000(0000) knlGS:0000000000000000 # [ 87.165872] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 87.172296] CR2: 00007f32869e3000 CR3: 0000000104f1c000 CR4: 00000000003506f0 # [ 87.180269] Call Trace: # [ 87.183026] lkdtm_REFCOUNT_INC_ZERO+0x99/0xc1 # [ 87.188008] direct_entry.cold+0x2c/0x38 # [ 87.198566] full_proxy_write+0x56/0x80 # [ 87.202868] vfs_write+0xea/0x3a0 # [ 87.206585] ksys_write+0x68/0xf0 # [ 87.210308] do_syscall_64+0x33/0x40 # [ 87.214318] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 87.219970] RIP: 0033:0x7f3286af2f33 # [ 87.223976] 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 # [ 87.244922] RSP: 002b:00007fff32aa7648 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 87.253385] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f3286af2f33 # [ 87.267538] RDX: 0000000000000012 RSI: 00007f32869e3000 RDI: 0000000000000001 # [ 87.281702] RBP: 00007f32869e3000 R08: 00007f32869e2010 R09: 0000000000000000 # [ 87.295873] R10: 00007f3286bed1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 87.303852] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 87.311843] irq event stamp: 0 # [ 87.315274] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 87.328466] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 87.337607] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 87.346754] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 87.353763] ---[ end trace 8c1e8df02166ac93 ]--- # [ 87.358927] lkdtm: Zero detected: saturated # REFCOUNT_INC_ZERO: saw 'call trace:': ok ok 50 selftests: lkdtm: REFCOUNT_INC_ZERO.sh # selftests: lkdtm: REFCOUNT_ADD_ZERO.sh # [ 87.659256] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO # [ 87.667969] lkdtm: attempting safe refcount_add_not_zero() from zero # [ 87.675125] lkdtm: Good: zero detected # [ 87.679337] lkdtm: Correctly stayed at zero # [ 87.690205] lkdtm: attempting bad refcount_add() from zero # [ 87.702540] ------------[ cut here ]------------ # [ 87.707728] refcount_t: addition on 0; use-after-free. # [ 87.713540] WARNING: CPU: 1 PID: 2355 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 # [ 87.722999] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 87.739029] CPU: 1 PID: 2355 Comm: cat Tainted: G D W 5.10.136-c[ 91.084012] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED [ 91.092729] lkdtm: attempting bad refcount_add_not_zero() from saturated [ 91.100265] ------------[ cut here ]------------ [ 91.105446] refcount_t: saturated; leaking memory. [ 91.110858] WARNING: CPU: 1 PID: 2524 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 [ 91.120288] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 91.136269] CPU: 1 PID: 2524 Comm: cat Tainted: G D W 5.10.136-cip13 #1 [ 91.144931] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 91.151567] RIP: 0010:refcount_warn_saturate+0x97/0x110 [ 91.157430] Code: 01 01 e8 44 62 98 00 0f 0b c3 cc cc cc cc 80 3d 89 53 74 01 00 75 a8 48 c7 c7 90 43 26 99 c6 05 79 53 74 01 01 e8 21 62 98 00 <0f> 0b c3 cc cc cc cc 80 3d 63 53 74 01 00 75 85 48 c7 c7 e8 43 26 [ 91.178440] RSP: 0018:ffff9ebf02e0fe38 EFLAGS: 00010282 [ 91.184300] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 [ 91.192290] RDX: ffff8f1b3bcac660 RSI: ffff8f1b3bc9bf70 RDI: ffff8f1b3bc9bf70 [ 91.200272] RBP: ffffffff992c86a8 R08: 0000000000000000 R09: 0000000000000000 [ 91.208253] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 [ 91.216246] R13: ffff9ebf02e0ff10 R14: ffff9ebf02e0ff10 R15: ffff8f1ac3a27000 [ 91.224227] FS: 00007f0c7b2a4580(0000) GS:ffff8f1b3bc80000(0000) knlGS:0000000000000000 [ 91.233269] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 91.239702] CR2: 00007f0c7b0bd000 CR3: 000000010311c000 CR4: 00000000003506e0 [ 91.247676] Call Trace: [ 91.250433] __refcount_add_not_zero.constprop.0+0x2a/0x35 [ 91.256576] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x76 [ 91.262911] direct_entry.cold+0x2c/0x38 [ 91.267306] full_proxy_write+0x56/0x80 [ 91.271616] vfs_write+0xea/0x3a0 [ 91.275337] ksys_write+0x68/0xf0 [ 91.279068] do_syscall_64+0x33/0x40 [ 91.283079] entry_SYSCALL_64_after_hwframe+0x61/0xc6 ip13 #1 # [ 87.747717] Hardware name: Google Coral/Coral, BIO[ 91.288743] RIP: 0033:0x7f0c7b1ccf33 [ 91.298943] 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 [ 91.319897] RSP: 002b:00007ffff16a8618 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 91.328359] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f0c7b1ccf33 [ 91.336328] RDX: 0000000000000020 RSI: 00007f0c7b0bd000 RDI: 0000000000000001 [ 91.344309] RBP: 00007f0c7b0bd000 R08: 00007f0c7b0bc010 R09: 0000000000000000 [ 91.352287] R10: 00007f0c7b2c71c0 R11: 0000000000000246 R12: 0000000000000001 S 09/29/2020 # [ 87.760503] RIP: 0010:refcount_warn_saturate[ 91.360258] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 +0x74/0x110 # [ 87.766346] Code: 01 01 e8 67 62 98 00 0f 0b c[ 91.374427] irq event stamp: 0 3 cc cc cc cc 80 3d aa 53 74 01 00 75 cb 48 c7 c7 b8 43 26 99 c6[ 91.384033] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 91.397251] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 91.406395] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 91.415544] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 91.422553] ---[ end trace 8c1e8df02166ac99 ]--- 05 9a 53 74 01 01 e8 44 62 98 00 <0f> 0b c3 cc cc cc cc 80 3d 8[ 91.427781] lkdtm: Saturation detected: still saturated 9 53 74 01 00 75 a8 48 c7 c7 90 43 26 # [ 87.787336] RSP: 0018:ffff9ebf02b7fe48 EFLAGS: 00010286 # [ 87.793196] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000 # [ 87.801181] RDX: ffff8f1b3bcac660 RSI: ffff8f1b3bc9bf70 RDI: ffff8f1b3bc9bf70 # [ 87.809174] RBP: ffffffff992c8a1b R08: 0000000000000000 R09: 0000000000000000 # [ 87.817161] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 87.825146] R13: ffff9ebf02b7ff10 R14: ffff9ebf02b7ff10 R15: ffff8f1ac08eb000 # [ 87.833133] FS: 00007fa03999a580(0000) GS:ffff8f1b3bc80000(0000) knlGS:0000000000000000 # [ 87.842186] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 87.848621] CR2: 00007fa0397b3000 CR3: 000000010098c000 CR4: 00000000003506e0 # [ 87.856608] Call Trace: # [ 87.859374] lkdtm_REFCOUNT_ADD_ZERO+0x99/0xc1 # [ 87.864369] direct_entry.cold+0x2c/0x38 # [ 87.868784] full_proxy_write+0x56/0x80 # [ 87.873102] vfs_write+0xea/0x3a0 # [ 87.876833] ksys_write+0x68/0xf0 # [ 87.880568] do_syscall_64+0x33/0x40 # [ 87.884589] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 87.890260] RIP: 0033:0x7fa0398c2f33 # [ 87.894279] 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 # [ 87.915283] RSP: 002b:00007ffc5c14a378 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 87.923761] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fa0398c2f33 # [ 87.931754] RDX: 0000000000000012 RSI: 00007fa0397b3000 RDI: 0000000000000001 # [ 87.939745] RBP: 00007fa0397b3000 R08: 00007fa0397b2010 R09: 0000000000000000 # [ 87.947735] R10: 00007fa0399bd1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 87.955738] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 87.969903] irq event stamp: 0 # [ 87.979520] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 87.992750] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 88.008089] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 88.017255] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 88.024277] ---[ end trace 8c1e8df02166ac94 ]--- # [ 88.029457] 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 # [ 88.354693] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED # [ 88.363996] lkdtm: attempting bad refcount_inc() from saturated # [ 88.370660] ------------[ cut here ]------------ # [ 88.375834] refcount_t: saturated; leaking memory. # [ 88.381251] WARNING: CPU: 2 PID: 2390 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 88.390694] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 88.412867] CPU: 2 PID: 2390 Comm: cat Tainted: G D W 5.10.136-cip13 #1 # [ 88.421540] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 88.428178] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ [ 91.753783] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED 88.434042] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d[ 91.763629] lkdtm: attempting bad refcount_dec_and_test() from saturated [ 91.777294] ------------[ cut here ]------------ [ 91.782462] refcount_t: underflow; use-after-free. [ 91.787868] WARNING: CPU: 1 PID: 2559 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 [ 91.797306] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 91.813268] CPU: 1 PID: 2559 Comm: cat Tainted: G D W 5.10.136-cip13 #1 [ 91.821925] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 91.828551] RIP: 0010:refcount_warn_saturate+0xba/0x110 [ 91.834396] Code: 01 01 e8 21 62 98 00 0f 0b c3 cc cc cc cc 80 3d 63 53 74 01 00 75 85 48 c7 c7 e8 43 26 99 c6 05 53 53 74 01 01 e8 fe 61 98 00 <0f> 0b c3 cc cc cc cc 80 3d 3e 53 74 01 00 0f 85 5e ff ff ff 48 c7 [ 91.855343] RSP: 0018:ffff9ebf02e97e40 EFLAGS: 00010286 [ 91.861191] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000 [ 91.869174] RDX: ffff8f1b3bcac660 RSI: ffff8f1b3bc9bf70 RDI: ffff8f1b3bc9bf70 [ 91.877147] RBP: ffffffff992c86c8 R08: 0000000000000000 R09: 0000000000000000 [ 91.885129] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 [ 91.893104] R13: ffff9ebf02e97f10 R14: ffff9ebf02e97f10 R15: ffff8f1ac59f9000 [ 91.901081] FS: 00007f52a5404580(0000) GS:ffff8f1b3bc80000(0000) knlGS:0000000000000000 [ 91.910113] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 91.916534] CR2: 00007f52a521d000 CR3: 0000000103bc4000 CR4: 00000000003506e0 [ 91.924502] Call Trace: [ 91.927255] __refcount_sub_and_test.constprop.0+0x3c/0x50 [ 91.933401] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x76 [ 91.939736] direct_entry.cold+0x2c/0x38 [ 91.944126] full_proxy_write+0x56/0x80 [ 91.948434] vfs_write+0xea/0x3a0 [ 91.952155] ksys_write+0x68/0xf0 [ 91.955876] do_syscall_64+0x33/0x40 [ 91.959874] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 91.965531] RIP: 0033:0x7f52a532cf33 [ 91.969537] 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 [ 91.990482] RSP: 002b:00007fff648cb088 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 91.998944] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f52a532cf33 [ 92.006919] RDX: 0000000000000020 RSI: 00007f52a521d000 RDI: 0000000000000001 [ 92.014899] RBP: 00007f52a521d000 R08: 00007f52a521c010 R09: 0000000000000000 [ 92.022871] R10: 00007f52a54271c0 R11: 0000000000000246 R12: 0000000000000001 [ 92.030843] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ce 53 74 01 00 75 ee 48 c7 c7 90 43 26 99 c6 05 be 53 74 01 01 [ 92.038824] irq event stamp: 0 e8 67 62 98 00 <0f> 0b c3 cc cc cc cc 80 3d aa 53 74 01 00 75 cb[ 92.048423] hardirqs last enabled at (0): [<0000000000000000>] 0x0 48 c7 c7 b8 43 26 # [ 88.455056] RSP: 0018:ffff9ebf02bffe48 [ 92.061616] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 92.076939] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 92.086081] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 92.093084] ---[ end trace 8c1e8df02166ac9a ]--- [ 92.098257] lkdtm: Saturation detected: still saturated EFLAGS: 00010286 # [ 88.460920] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000 # [ 88.468912] RDX: ffff8f1b3bd2c660 RSI: ffff8f1b3bd1bf70 RDI: ffff8f1b3bd1bf70 # [ 88.476897] RBP: ffffffff992c8a2d R08: 0000000000000000 R09: 0000000000000000 # [ 88.484888] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 88.492877] R13: ffff9ebf02bfff10 R14: ffff9ebf02bfff10 R15: ffff8f1ac31f5000 # [ 88.500873] FS: 00007f5120fa7580(0000) GS:ffff8f1b3bd00000(0000) knlGS:0000000000000000 # [ 88.509937] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 88.516375] CR2: 00007f5120dc0000 CR3: 00000001058ee000 CR4: 00000000003506e0 # [ 88.524365] Call Trace: # [ 88.527126] lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x64 # [ 88.532613] direct_entry.cold+0x2c/0x38 # [ 88.537016] full_proxy_write+0x56/0x80 # [ 88.541331] vfs_write+0xea/0x3a0 # [ 88.545050] ksys_write+0x68/0xf0 # [ 88.548792] do_syscall_64+0x33/0x40 # [ 88.552816] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 88.558485] RIP: 0033:0x7f5120ecff33 # [ 88.562502] 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 # [ 88.583517] RSP: 002b:00007fff285bbc98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 88.591999] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f5120ecff33 # [ 88.599993] RDX: 0000000000000017 RSI: 00007f5120dc0000 RDI: 0000000000000001 # [ 88.607976] RBP: 00007f5120dc0000 R08: 00007f5120dbf010 R09: 0000000000000000 # [ 88.615965] R10: 00007f5120fca1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 88.623955] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 88.631943] irq event stamp: 0 # [ 88.641547] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 88.654743] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 88.670094] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 88.679253] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 88.686265] ---[ end trace 8c1e8df02166ac95 ]--- # [ 88.691445] 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 # [ 89.007624] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED # [ 89.020651] lkdtm: attempting bad refcount_dec() from saturated # [ 89.027292] ------------[ cut here ]------------ # [ 89.032466] refcount_t: decrement hit 0; leaking memory. # [ 89.038467] WARNING: CPU: 0 PID: 2425 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 89.054092] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 89.076311] CPU: 0 PID: 2425 Comm: cat Tainted: G D W 5.10.136-cip13 #1 # [ 89.091153] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 89.103994] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 89.109847] Code: 40 44 26 99 c6 05 2a 53 74 01 01 e8 d7 61 98 00 0f 0b c3 cc cc cc cc 48 c7 c7 10 44 26 99 c6 05 11 53 74 01 01 e8 bd 61 98 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 89.130809] RSP: 0018:ffff9ebf02c87e48 EFLAGS: 00010286 # [ 8[ 92.441106] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED [ 92.452962] lkdtm: attempting bad refcount_sub_and_test() from saturated [ 92.460493] ------------[ cut here ]------------ [ 92.465668] refcount_t: underflow; use-after-free. 9.136658] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 00000[ 92.471083] WARNING: CPU: 1 PID: 2594 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 [ 92.486662] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 92.502629] CPU: 1 PID: 2594 Comm: cat Tainted: G D W 5.10.136-cip13 #1 [ 92.511281] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 92.517909] RIP: 0010:refcount_warn_saturate+0xba/0x110 [ 92.523761] Code: 01 01 e8 21 62 98 00 0f 0b c3 cc cc cc cc 80 3d 63 53 74 01 00 75 85 48 c7 c7 e8 43 26 99 c6 05 53 53 74 01 01 e8 fe 61 98 00 <0f> 0b c3 cc cc cc cc 80 3d 3e 53 74 01 00 0f 85 5e ff ff ff 48 c7 00000000000 # [ 89.144644] RDX: ffff8f1b3bc2c660 RSI: ffff8f1[ 92.544717] RSP: 0018:ffff9ebf02f1fe40 EFLAGS: 00010286 [ 92.556747] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000 b3bc1bf70 RDI: ffff8f1b3bc1bf70 # [ 89.152624] RBP: ffffffff9[ 92.564723] RDX: ffff8f1b3bcac660 RSI: ffff8f1b3bc9bf70 RDI: ffff8f1b3bc9bf70 [ 92.578882] RBP: ffffffff992c86e8 R08: 0000000000000000 R09: 0000000000000000 [ 92.586859] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 [ 92.594834] R13: ffff9ebf02f1ff10 R14: ffff9ebf02f1ff10 R15: ffff8f1ac5b3a000 [ 92.602811] FS: 00007f9a7cd33580(0000) GS:ffff8f1b3bc80000(0000) knlGS:0000000000000000 [ 92.611851] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 92.618278] CR2: 00007f9a7cb4c000 CR3: 0000000100e34000 CR4: 00000000003506e0 [ 92.626253] Call Trace: [ 92.629020] __refcount_sub_and_test.constprop.0+0x3c/0x50 [ 92.635165] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x76 [ 92.641500] direct_entry.cold+0x2c/0x38 [ 92.645909] full_proxy_write+0x56/0x80 [ 92.650215] vfs_write+0xea/0x3a0 [ 92.653937] ksys_write+0x68/0xf0 [ 92.657661] do_syscall_64+0x33/0x40 [ 92.661673] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 92.667323] RIP: 0033:0x7f9a7cc5bf33 [ 92.671323] 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 [ 92.692279] RSP: 002b:00007ffdc627ae08 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 92.700742] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f9a7cc5bf33 92c8a44 R08: 0000000000000000 R09: 0000000000000000 # [ 89.16[ 92.708724] RDX: 0000000000000020 RSI: 00007f9a7cb4c000 RDI: 0000000000000001 [ 92.722892] RBP: 00007f9a7cb4c000 R08: 00007f9a7cb4b010 R09: 0000000000000000 [ 92.730865] R10: 00007f9a7cd561c0 R11: 0000000000000246 R12: 0000000000000001 0595] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000[ 92.738835] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 0000017 # [ 89.168579] R13: ffff9ebf02c87f10 R14: ffff9ebf02c[ 92.753003] irq event stamp: 0 87f10 R15: ffff8f1ac266c000 # [ 89.176556] FS: 00007f3e15950[ 92.762608] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 92.775803] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 92.784948] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 92.794086] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 92.801092] ---[ end trace 8c1e8df02166ac9b ]--- [ 92.806258] lkdtm: Saturation detected: still saturated 580(0000) GS:ffff8f1b3bc00000(0000) knlGS:0000000000000000 # [ 89.185606] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 89.192032] CR2: 00007f3e15769000 CR3: 000000010317a000 CR4: 00000000003506f0 # [ 89.200010] Call Trace: # [ 89.202768] lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5f # [ 89.208236] direct_entry.cold+0x2c/0x38 # [ 89.212643] full_proxy_write+0x56/0x80 # [ 89.216953] vfs_write+0xea/0x3a0 # [ 89.220680] ksys_write+0x68/0xf0 # [ 89.230599] do_syscall_64+0x33/0x40 # [ 89.234619] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 89.240281] RIP: 0033:0x7f3e15878f33 # [ 89.244290] 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 # [ 89.265250] RSP: 002b:00007ffe0ae71278 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 89.273710] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f3e15878f33 # [ 89.281693] RDX: 0000000000000017 RSI: 00007f3e15769000 RDI: 0000000000000001 # [ 89.289668] RBP: 00007f3e15769000 R08: 00007f3e15768010 R09: 0000000000000000 # [ 89.303836] R10: 00007f3e159731c0 R11: 0000000000000246 R12: 0000000000000001 # [ 89.317997] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 89.325990] irq event stamp: 0 # [ 89.329415] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 89.342622] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 89.351770] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 89.360914] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 89.367915] ---[ end trace 8c1e8df02166ac96 ]--- # [ 89.373084] 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 # [ 89.698451] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED # [ 89.708255] lkdtm: attempting bad refcount_dec() from saturated # [ 89.714907] ------------[ cut here ]------------ # [ 89.720072] refcount_t: saturated; leaking memory. # [ 89.731672] WARNING: CPU: 2 PID: 2460 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 89.747243] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 89.763250] CPU: 2 PID: 2460 Comm: cat Tainted: G D W 5.10.136-cip13 #1 # [ 89.771930] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 89.784725] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 89.790579] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d ce 53 74 01 00 75 ee 48 c7 c7 90 43 26 99 c6 05 be 53 74 01 01 e8 67 62 98 00 <0f> 0b c3 cc cc cc cc 80 3d aa 53 74 01 00 75 cb 48 c7 c7 b8 43 26 # [ 89.817741] RSP: 0018:ffff9ebf02d07e48 EFLAGS: 00010286 # [ 89.829797] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000 # [ 89.837791] RDX: ffff8f1b3bd2c660 RSI: ffff8f1b3bd1bf70 RDI: ffff8f1b3bd1bf70 # [ 89.845783] RBP: ffffffff992c8a5b R08: 0000000000000000 R09: 0000000000000000 # [ 89.853772] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 89.861755] R13: ffff9ebf02d07f10 R14: ffff9ebf02d07f10 R15: ffff8f1ac4b6f000 # [ 89.869736] FS: 00007f0e6fc96580(0000) GS:ffff8f1b3bd00000(0000) knlGS:0000000000000000 # [ 89.878781] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 89.891375] CR2: 00007f0e6faaf000 CR3: 000000010407a000 CR4: 00000000003506e0 # [ 89.899347] Call Trace: # [ 89.902107] lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x64 # [ 89.907574] direct_entry.cold+0x2c/0x38 # [ 89.911977] full_proxy_write+0x56/0x80 # [ 89.916281] vfs_write+0xea/0x3a0 # [ 89.920002] ksys_write+0x68/0xf0 # [ 89.923727] do_syscall_64+0x33/0x40 # [ 89.927739] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 89.939595] RIP: 0033:0x7f0e6fbbef33 # [ 89.943612] 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 # [ 89.964566] RSP: 002b:00007ffcaa05cfe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 89.973032] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f0e6fbbef33 # [ 89.981009] RDX: 0000000000000017 RSI: 00007f0e6faaf000 RDI: 0000000000000001 # [ 89.988984] RBP: 00007f0e6faaf000 R08: 00007f0e6faae010 R09: 0000000000000000 # [ 89.996956] R10: 00007f0e6fcb91c0 R11: 0000000000000246 R12: 0000000000000001 # [ 90.004926] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 90.019099] irq event stamp: 0 # [ 90.028714] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 90.041930] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 90.051079] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 90.060238] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 90.067260] ---[ end trace 8c1e8df02166ac97 ]--- # [ 90.072431] 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 # [ 90.394328] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED # [ 90.402630] lkdtm: attempting bad refcount_inc_not_zero() from saturated # [ 90.410144] ------------[ cut here ]------------ # [ 90.415315] refcount_t: saturated; leaking memory. # [ 90.426921] WARNING: CPU: 1 PID: 2492 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 90.442536] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal [ 93.388808] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO [ 93.401770] lkdtm: attempting good copy_to_user of correct size cros_ec_dev cros_usbpd_notify # [ 90.458517] CPU: 1 PID: 2492[ 93.408454] lkdtm: attempting bad copy_to_user of too large size Comm: cat Tainted: G D W 5.10.136-cip13 #1 # [ 90.467185] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 90.473866] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 90.485954] Code: 01 01 e8 44 62 98 00 0f 0b c3 cc cc cc cc 80 3d 89 53 74 01 00 75 a8 48 c7 c7 90 43 26 99 c6 05 79 53 74 01 01 e8 21 62 98 00 <0f> 0b c3 cc cc cc cc 80 3d 63 53 74 01 00 75 85 48 c7 c7 e8 43 26 # [ 90.506940] RSP: 0018:ffff9ebf02d97e38 EFLAGS: 00010282 # [ 90.512799] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 # [ 90.520796] RDX: ffff8f1b3bcac660 RSI: ffff8f1b3bc9bf70 RDI: ffff8f1b3bc9bf70 # [ 90.528782] RBP: ffffffff992c8688 R08: 0000000000000000 R09: 0000000000000000 # [ 90.536776] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 90.544771] R13: ffff9ebf02d97f10 R14: ffff9ebf02d97f10 R15: ffff8f1ac5baa000 # [ 90.552763] FS: 00007f4283596580(0000) GS:ffff8f1b3bc80000(0000) knlGS:0000000000000000 # [ 90.568024] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 90.574453] CR2: 00007f42833af000 CR3: 000000010272c000 CR4: 00000000003506e0 # [ 90.582442] Call Trace: # [ 90.585200] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 90.591356] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x76 # [ 90.597691] direct_entry.cold+0x2c/0x38 # [ 90.602101] full_proxy_write+0x56/0x80 # [ 90.606410] vfs_write+0xea/0x3a0 # [ 90.610135] ksys_write+0x68/0xf0 # [ 90.613860] do_syscall_64+0x33/0x40 # [ 90.617873] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 90.623534] RIP: 0033:0x7f42834bef33 # [ 90.627548] 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 # [ 90.648511] RSP: 002b:00007ffc42def638 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 90.656973] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f42834bef33 # [ 90.664954] RDX: 0000000000000020 RSI: 00007f42833af000 RDI: 0000000000000001 # [ 90.672945] RBP: 00007f42833af000 R08: 00007f42833ae010 R09: 0000000000000000 # [ 90.680938] R10: 00007f42835b91c0 R11: 0000000000000246 R12: 0000000000000001 # [ 90.688934] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 90.703138] irq event stamp: 0 # [ 90.712756] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 90.725978] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 90.735128] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 90.744285] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 90.751309] ---[ end trace 8c1e8df02166ac98 ]--- # [ 90.756483] 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 # [ 91.084012] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED # [ 91.092729] lkdtm: attempting bad ref[ 93.719995] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM count_add_not_zero() from saturated # [ 91.100265] ----------[ 93.732830] lkdtm: attempting good copy_from_user of correct size --[ cut here ]------------ # [ 91.105446] refcount_t: saturat[ 93.745849] lkdtm: attempting bad copy_from_user of too large size ed; leaking memory. # [ 91.110858] WARNING: CPU: 1 PID: 2524 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 91.120288] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 91.136269] CPU: 1 PID: 2524 Comm: cat Tainted: G D W 5.10.136-cip13 #1 # [ 91.144931] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 91.151567] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 91.157430] Code: 01 01 e8 44 62 98 00 0f 0b c3 cc cc cc cc 80 3d 89 53 74 01 00 75 a8 48 c7 c7 90 43 26 99 c6 05 79 53 74 01 01 e8 21 62 98 00 <0f> 0b c3 cc cc cc cc 80 3d 63 53 74 01 00 75 85 48 c7 c7 e8 43 26 # [ 91.178440] RSP: 0018:ffff9ebf02e0fe38 EFLAGS: 00010282 # [ 91.184300] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 # [ 91.192290] RDX: ffff8f1b3bcac660 RSI: ffff8f1b3bc9bf70 RDI: ffff8f1b3bc9bf70 # [ 91.200272] RBP: ffffffff992c86a8 R08: 0000000000000000 R09: 0000000000000000 # [ 91.208253] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 91.216246] R13: ffff9ebf02e0ff10 R14: ffff9ebf02e0ff10 R15: ffff8f1ac3a27000 # [ 91.224227] FS: 00007f0c7b2a4580(0000) GS:ffff8f1b3bc80000(0000) knlGS:0000000000000000 # [ 91.233269] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 91.239702] CR2: 00007f0c7b0bd000 CR3: 000000010311c000 CR4: 00000000003506e0 # [ 91.247676] Call Trace: # [ 91.250433] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 91.256576] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x76 # [ 91.262911] direct_entry.cold+0x2c/0x38 # [ 91.267306] full_proxy_write+0x56/0x80 # [ 91.271616] vfs_write+0xea/0x3a0 # [ 91.275337] ksys_write+0x68/0xf0 # [ 91.279068] do_syscall_64+0x33/0x40 # [ 91.283079] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 91.288743] RIP: 0033:0x7f0c7b1ccf33 # [ 91.298943] 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 # [ 91.319897] RSP: 002b:00007ffff16a8618 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 91.328359] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f0c7b1ccf33 # [ 91.336328] RDX: 0000000000000020 RSI: 00007f0c7b0bd000 RDI: 0000000000000001 # [ 91.344309] RBP: 00007f0c7b0bd000 R08: 00007f0c7b0bc010 R09: 0000000000000000 # [ 91.352287] R10: 00007f0c7b2c71c0 R11: 0000000000000246 R12: 0000000000000001 # [ 91.360258] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 91.374427] irq event stamp: 0 # [ 91.384033] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 91.397251] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 91.406395] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 91.415544] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 91.422553] ---[ end trace 8c1e8df02166ac99 ]--- # [ 91.427781] lkdtm: Saturation detected: still saturated # REFCOUNT_ADD_NOT_ZERO_SATURATED: saw 'ca[ 94.063924] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO ll trace:': ok ok 56 selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_SA[ 94.076494] lkdtm: attempting good copy_to_user inside whitelist TURATED.sh # selftests: lkdtm: REFCOUNT_DEC_AND_TEST_SATURATED.[ 94.089414] lkdtm: attempting bad copy_to_user outside whitelist sh # [ 91.753783] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED # [ 91.763629] lkdtm: attempting bad refcount_dec_and_test() from saturated # [ 91.777294] ------------[ cut here ]------------ # [ 91.782462] refcount_t: underflow; use-after-free. # [ 91.787868] WARNING: CPU: 1 PID: 2559 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 91.797306] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 91.813268] CPU: 1 PID: 2559 Comm: cat Tainted: G D W 5.10.136-cip13 #1 # [ 91.821925] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 91.828551] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 91.834396] Code: 01 01 e8 21 62 98 00 0f 0b c3 cc cc cc cc 80 3d 63 53 74 01 00 75 85 48 c7 c7 e8 43 26 99 c6 05 53 53 74 01 01 e8 fe 61 98 00 <0f> 0b c3 cc cc cc cc 80 3d 3e 53 74 01 00 0f 85 5e ff ff ff 48 c7 # [ 91.855343] RSP: 0018:ffff9ebf02e97e40 EFLAGS: 00010286 # [ 91.861191] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000 # [ 91.869174] RDX: ffff8f1b3bcac660 RSI: ffff8f1b3bc9bf70 RDI: ffff8f1b3bc9bf70 # [ 91.877147] RBP: ffffffff992c86c8 R08: 0000000000000000 R09: 0000000000000000 # [ 91.885129] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 91.893104] R13: ffff9ebf02e97f10 R14: ffff9ebf02e97f10 R15: ffff8f1ac59f9000 # [ 91.901081] FS: 00007f52a5404580(0000) GS:ffff8f1b3bc80000(0000) knlGS:0000000000000000 # [ 91.910113] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 91.916534] CR2: 00007f52a521d000 CR3: 0000000103bc4000 CR4: 00000000003506e0 # [ 91.924502] Call Trace: # [ 91.927255] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 91.933401] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x76 # [ 91.939736] direct_entry.cold+0x2c/0x38 # [ 91.944126] full_proxy_write+0x56/0x80 # [ 91.948434] vfs_write+0xea/0x3a0 # [ 91.952155] ksys_write+0x68/0xf0 # [ 91.955876] do_syscall_64+0x33/0x40 # [ 91.959874] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 91.965531] RIP: 0033:0x7f52a532cf33 # [ 91.969537] 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 # [ 91.990482] RSP: 002b:00007fff648cb088 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 91.998944] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f52a532cf33 # [ 92.006919] RDX: 0000000000000020 RSI: 00007f52a521d000 RDI: 0000000000000001 # [ 92.014899] RBP: 00007f52a521d000 R08: 00007f52a521c010 R09: 0000000000000000 # [ 92.022871] R10: 00007f52a54271c0 R11: 0000000000000246 R12: 0000000000000001 # [ 92.030843] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 92.038824] irq event stamp: 0 # [ 92.048423] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 92.061616] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 92.076939] softirqs last enabled at (0): [] copy_[ 94.409721] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM [ 94.419816] lkdtm: attempting good copy_from_user inside whitelist process+0x640/0x1c80 # [ 92.086081] softirqs last disabled at[ 94.426758] lkdtm: attempting bad copy_from_user outside whitelist (0): [<0000000000000000>] 0x0 # [ 92.093084] ---[ end trace 8c1e8df02166ac9a ]--- # [ 92.098257] 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 # [ 92.441106] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED # [ 92.452962] lkdtm: attempting bad refcount_sub_and_test() from saturated # [ 92.460493] ------------[ cut here ]------------ # [ 92.465668] refcount_t: underflow; use-after-free. # [ 92.471083] WARNING: CPU: 1 PID: 2594 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 92.486662] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 92.502629] CPU: 1 PID: 2594 Comm: cat Tainted: G D W 5.10.136-cip13 #1 # [ 92.511281] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 92.517909] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 92.523761] Code: 01 01 e8 21 62 98 00 0f 0b c3 cc cc cc cc 80 3d 63 53 74 01 00 75 85 48 c7 c7 e8 43 26 99 c6 05 53 53 74 01 01 e8 fe 61 98 00 <0f> 0b c3 cc cc cc cc 80 3d 3e 53 74 01 00 0f 85 5e ff ff ff 48 c7 # [ 92.544717] RSP: 0018:ffff9ebf02f1fe40 EFLAGS: 00010286 # [ 92.556747] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000 # [ 92.564723] RDX: ffff8f1b3bcac660 RSI: ffff8f1b3bc9bf70 RDI: ffff8f1b3bc9bf70 # [ 92.578882] RBP: ffffffff992c86e8 R08: 0000000000000000 R09: 0000000000000000 # [ 92.586859] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 92.594834] R13: ffff9ebf02f1ff10 R14: ffff9ebf02f1ff10 R15: ffff8f1ac5b3a000 # [ 92.602811] FS: 00007f9a7cd33580(0000) GS:ffff8f1b3bc80000(0000) knlGS:0000000000000000 # [ 92.611851] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 92.618278] CR2: 00007f9a7cb4c000 CR3: 0000000100e34000 CR4: 00000000003506e0 # [ 92.626253] Call Trace: # [ 92.629020] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 92.635165] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x76 # [ 92.641500] direct_entry.cold+0x2c/0x38 # [ 92.645909] full_proxy_write+0x56/0x80 # [ 92.650215] vfs_write+0xea/0x3a0 # [ 92.653937] ksys_write+0x68/0xf0 # [ 92.657661] do_syscall_64+0x33/0x40 # [ 92.661673] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 92.667323] RIP: 0033:0x7f9a7cc5bf33 # [ 92.671323] 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 # [ 92.692279] RSP: 002b:00007ffdc627ae08 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 92.700742] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f9a7cc5bf33 # [ 92.708724] RDX: 0000000000000020 RSI: 00007f9a7cb4c000 RDI: 0000000000000001 # [ 92.722892] RBP: 00007f9a7cb4c000 R08: 00007f9a7cb4b010 [ 94.737204] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO R09: 0000000000000000 # [ 92.730865] R10: 00007f9a7cd561c0 R1[ 94.744464] lkdtm: good_stack: ffff9ebf0327fe20-ffff9ebf0327fe40 1: 0000000000000246 R12: 0000000000000001 # [ 92.738835] R13:[ 94.757400] lkdtm: bad_stack : ffff9ebf0327fda8-ffff9ebf0327fdc8 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 #[ 94.770377] lkdtm: attempting good copy_to_user of local stack [ 92.753003] irq event stamp: 0 # [ 92.762608] hardirqs la[ 94.783027] lkdtm: attempting bad copy_to_user of distant stack st enabled at (0): [<0000000000000000>] 0x0 # [ 92.775803] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 92.784948] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 92.794086] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 92.801092] ---[ end trace 8c1e8df02166ac9b ]--- # [ 92.806258] 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 # [ 93.388808] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO # [ 93.401770] lkdtm: attempting good copy_to_user of correct size # [ 93.408454] 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 # [ 93.719995] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM # [ 93.732830] lkdtm: attempting good copy_from_user of correct size # [ 93.745849] lkdtm: attempting bad copy_from_user of too large size # USERCOPY_HEAP_SIZE_FROM: missing 'call trace:': [FAIL] not ok 62 selftests: lkdtm: USERCOPY_HEAP_SIZE_FROM.sh # exit=1 # selftests: lkdtm: USERCOPY_HEAP_WHITELIST_TO.sh # [ 94.063924] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO # [ 94.076494] lkdtm: attempting good copy_to_user inside whitelist # [ 94.089414] 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 # [ 94.409721] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM # [ 94.419816] lkdtm: attempting good copy_from_user inside whitelist # [ 94.426758] 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 # [ 94.737204] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO # [ 94.744464] lkdtm: good_stack: ffff9ebf0327fe20-ffff9ebf0327fe40 # [ 94.757400] lkdtm: bad_stack : ffff9ebf0327fda8-ffff9ebf0327fdc8 # [ 94.770377] lkdtm: attempting good copy_to_user of local stack # [ 94.783027] 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 [ 95.102467] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM [ 95.109612] lkdtm: good_stack: ffff9ebf03317e20-ffff9ebf03317e40 [ 95.116329] lkdtm: bad_stack : ffff9ebf03317da8-ffff9ebf03317dc8 [ 95.123083] lkdtm: attempting good copy_from_user of local stack [ 95.129818] lkdtm: attempting bad copy_from_user of distant stack # [ 95.102467] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM # [ 95.109612] lkdtm: good_stack: ffff9ebf03317e20-ffff9ebf03317e40 # [ 95.116329] lkdtm: bad_stack : ffff9ebf03317da8-ffff9ebf03317dc8 # [ 95.123083] lkdtm: attempting good copy_from_user of local stack # [ 95.129818] 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 [ 95.453956] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND [ 95.460723] lkdtm: good_stack: ffff9ebf03397e20-ffff9ebf03397e40 [ 95.467457] lkdtm: bad_stack : ffff9ebf03397ff8-ffff9ebf03398018 [ 95.474245] lkdtm: attempting good copy_to_user of local stack [ 95.480817] lkdtm: attempting bad copy_to_user of distant stack [ 95.487475] lkdtm: copy_to_user failed, but lacked Oops # [ 95.453956] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND # [ 95.460723] lkdtm: good_stack: ffff9ebf03397e20-ffff9ebf03397e40 # [ 95.467457] lkdtm: bad_stack : ffff9ebf03397ff8-ffff9ebf03398018 # [ 95.474245] lkdtm: attempting good copy_to_user of local stack # [ 95.480817] lkdtm: attempting bad copy_to_user of distant stack # [ 95.487475] 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 [ 95.798682] lkdtm: Performing direct entry USERCOPY_KERNEL [ 95.804848] lkdtm: attempting good copy_to_user from kernel rodata: ffffffff98eda1d0 [ 95.813538] lkdtm: attempting bad copy_to_user from kernel text: ffffffff97ce2dc0 [ 95.821922] lkdtm: FAIL: survived bad copy_to_user() # [ 95.798682] lkdtm: Performing direct entry USERCOPY_KERNEL # [ 95.804848] lkdtm: attempting good copy_to_user from kernel rodata: ffffffff98eda1d0 # [ 95.813538] lkdtm: attempting bad copy_to_user from kernel text: ffffffff97ce2dc0 # [ 95.821922] 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 [ 96.158839] lkdtm: Performing direct entry STACKLEAK_ERASING [ 96.165205] lkdtm: checking unused part of the thread stack (15928 bytes)... [ 96.173116] lkdtm: FAIL: the erased part is not found (checked 15928 bytes) [ 96.180890] lkdtm: FAIL: the thread stack is NOT properly erased [ 96.187620] CPU: 1 PID: 2959 Comm: cat Tainted: G D W 5.10.136-cip13 #1 [ 96.196262] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 96.202860] Call Trace: [ 96.205603] dump_stack+0x77/0x9b [ 96.209304] lkdtm_STACKLEAK_ERASING+0x116/0x144 [ 96.214460] direct_entry.cold+0x2c/0x38 [ 96.218850] full_proxy_write+0x56/0x80 [ 96.223136] vfs_write+0xea/0x3a0 [ 96.226838] ksys_write+0x68/0xf0 [ 96.230540] do_syscall_64+0x33/0x40 [ 96.234529] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 96.240163] RIP: 0033:0x7f3ad114ff33 [ 96.244153] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 96.265113] RSP: 002b:00007ffc1b80ade8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 96.273567] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f3ad114ff33 [ 96.281538] RDX: 0000000000000012 RSI: 00007f3ad1040000 RDI: 0000000000000001 [ 96.289500] RBP: 00007f3ad1040000 R08: 00007f3ad103f010 R09: 0000000000000000 [ 96.297466] R10: 00007f3ad124a1c0 R11: 0000000000000246 R12: 0000000000000001 [ 96.305433] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 96.158839] lkdtm: Performing direct entry STACKLEAK_ERASING # [ 96.165205] lkdtm: checking unused part of the thread stack (15928 bytes)... # [ 96.173116] lkdtm: FAIL: the erased part is not found (checked 15928 bytes) # [ 96.180890] lkdtm: FAIL: the thread stack is NOT properly erased # [ 96.187620] CPU: 1 PID: 2959 Comm: cat Tainted: G D W 5.10.136-cip13 #1 # [ 96.196262] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 96.202860] Call Trace: # [ 96.205603] dump_stack+0x77/0x9b # [ 96.209304] lkdtm_STACKLEAK_ERASING+0x116/0x144 # [ 96.214460] direct_entry.cold+0x2c/0x38 # [ 96.218850] full_proxy_write+0x56/0x80 # [ 96.223136] vfs_write+0xea/0x3a0 # [ 96.226838] ksys_write+0x68/0xf0 # [ 96.230540] do_syscall_64+0x33/0x40 # [ 96.234529] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 96.240163] RIP: 0033:0x7f3ad114ff33 # [ 96.244153] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 96.265113] RSP: 002b:00007ffc1b80ade8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 96.273567] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f3ad114ff33 # [ 96.281538] RDX: 0000000000000012 RSI: 00007f3ad1040000 RDI: 0000000000000001 # [ 96.289500] RBP: 00007f3ad1040000 R08: 00007f3ad103f010 R09: 0000000000000000 # [ 96.297466] R10: 00007f3ad124a1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 96.305433] 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 [ 96.636769] lkdtm: Performing direct entry CFI_FORWARD_PROTO [ 96.643106] lkdtm: Calling matched prototype ... [ 96.648270] lkdtm: Calling mismatched prototype ... [ 96.653750] lkdtm: Fail: survived mismatched prototype function call! # [ 96.636769] lkdtm: Performing direct entry CFI_FORWARD_PROTO # [ 96.643106] lkdtm: Calling matched prototype ... # [ 96.648270] lkdtm: Calling mismatched prototype ... # [ 96.653750] 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 / #