[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 105 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 14001 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 = 0x3 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 269677 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 4851 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 52766 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 14054 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 9994 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 14068 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 18154 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 18145 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 14061 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 11239 usecs scan_bus: scanning of bus DOMAIN: 0000 took 391470 usecs root_dev_scan_bus for Root Device done scan_bus: scanning of bus Root Device took 411453 usecs done FMAP: area RECOVERY_MRC_CACHE found @ 400000 (65536 bytes) MRC: Checking cached data update for 'RECOVERY_MRC_CACHE'. SF: Detected FAST_SPI Hardware Sequencer with sector size 0x1000, total 0x1000000 FMAP: area RW_VAR_MRC_CACHE found @ 420000 (4096 bytes) MRC: Checking cached data update for 'RW_VAR_MRC_CACHE'. MRC: cache data 'RW_VAR_MRC_CACHE' needs update. FMAP: area RW_ELOG found @ 421000 (12288 bytes) ELOG: NV offset 0x421000 size 0x3000 ELOG: area is 4096 bytes, full threshold 3842, shrink size 1024 ELOG: Event(17) added with size 13 at 2022-07-05 21:55:46 UTC POST: Unexpected post code in previous boot: 0x98 ELOG: Event(A3) added with size 11 at 2022-07-05 21:55:46 UTC ELOG: Event(AA) added with size 11 at 2022-07-05 21:55:46 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 701358 exit 96155 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 2955000 exit 0 Enabling resources... PCI: 00:00.0 cmd <- 07 PCI: 00:00.1 subsystem <- 8086/5a8c PCI: 00:00.1 cmd <- 02 PCI: 00:00.2 subsystem <- 8086/5a8e PCI: 00:00.2 cmd <- 06 PCI: 00:02.0 cmd <- 03 PCI: 00:03.0 subsystem <- 8086/5a88 PCI: 00:03.0 cmd <- 02 PCI: 00:0d.1 cmd <- 07 PCI: 00:0d.2 subsystem <- 8086/5a96 PCI: 00:0d.2 cmd <- 406 PCI: 00:0d.3 cmd <- 06 PCI: 00:0e.0 cmd <- 02 PCI: 00:0f.0 cmd <- 06 PCI: 00:0f.1 cmd <- 06 PCI: 00:0f.2 cmd <- 06 PCI: 00:14.0 bridge ctrl <- 0003 PCI: 00:14.0 cmd <- 06 PCI: 00:15.0 cmd <- 02 PCI: 00:16.0 cmd <- 02 PCI: 00:16.1 cmd <- 02 PCI: 00:16.2 cmd <- 06 PCI: 00:16.3 cmd <- 02 PCI: 00:17.0 cmd <- 02 PCI: 00:17.1 cmd <- 02 PCI: 00:18.0 cmd <- 02 PCI: 00:18.1 cmd <- 02 PCI: 00:18.2 cmd <- 06 PCI: 00:19.0 subsystem <- 8086/5ac2 PCI: 00:19.0 cmd <- 02 PCI: 00:1b.0 cmd <- 06 PCI: 00:1c.0 subsystem <- 8086/5acc PCI: 00:1c.0 cmd <- 06 PCI: 00:1f.0 cmd <- 07 PCI: 00:1f.1 subsystem <- 8086/5ad4 PCI: 00:1f.1 cmd <- 03 PCI: 01:00.0 subsystem <- 8086/095a PCI: 01:00.0 cmd <- 02 done. BS: BS_DEV_ENABLE times (us): entry 160 run 112568 exit 0 FMAP: area FPF_STATUS found @ 42f000 (4096 bytes) Initializing devices... Root Device init ... Root Device init finished in 2141 usecs CPU_CLUSTER: 0 init ... MTRR: Physical address space: 0x0000000000000000 - 0x00000000000a0000 size 0x000a0000 type 6 0x00000000000a0000 - 0x00000000000c0000 size 0x00020000 type 0 0x00000000000c0000 - 0x000000007b800000 size 0x7b740000 type 6 0x000000007b800000 - 0x00000000b0000000 size 0x34800000 type 0 0x00000000b0000000 - 0x00000000c0000000 size 0x10000000 type 1 0x00000000c0000000 - 0x0000000100000000 size 0x40000000 type 0 0x0000000100000000 - 0x0000000180000000 size 0x80000000 type 6 MTRR: Fixed MSR 0x250 0x0606060606060606 MTRR: Fixed MSR 0x258 0x0606060606060606 MTRR: Fixed MSR 0x259 0x0000000000000000 MTRR: Fixed MSR 0x268 0x0606060606060606 MTRR: Fixed MSR 0x269 0x0606060606060606 MTRR: Fixed MSR 0x26a 0x0606060606060606 MTRR: Fixed MSR 0x26b 0x0606060606060606 MTRR: Fixed MSR 0x26c 0x0606060606060606 MTRR: Fixed MSR 0x26d 0x0606060606060606 MTRR: Fixed MSR 0x26e 0x0606060606060606 MTRR: Fixed MSR 0x26f 0x0606060606060606 call enable_fixed_mtrr() CPU physical address size: 39 bits MTRR: default type WB/UC MTRR counts: 6/8. MTRR: WB selected as default type. MTRR: 0 base 0x000000007b800000 mask 0x0000007fff800000 type 0 MTRR: 1 base 0x000000007c000000 mask 0x0000007ffc000000 type 0 MTRR: 2 base 0x0000000080000000 mask 0x0000007fe0000000 type 0 MTRR: 3 base 0x00000000a0000000 mask 0x0000007ff0000000 type 0 MTRR: 4 base 0x00000000b0000000 mask 0x0000007ff0000000 type 1 MTRR: 5 base 0x00000000c0000000 mask 0x0000007fc0000000 type 0 MTRR check Fixed MTRRs : Enabled Variable MTRRs: Enabled Detected 4 core, 4 thread CPU. Will perform SMM setup. FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'cpu_microcode_blob.bin' CBFS: Found @ offset 11d40 size 4000 microcode: sig=0x506c9 pf=0x1 revision=0x2c CPU: Intel(R) Pentium(R) CPU N4200 @ 1.10GHz. Loading module at 00030000 with entry 00030000. filesize: 0x130 memsize: 0x130 Processing 16 relocs. Offset value of 0x00030000 Attempting to start 3 APs Waiting for 10ms after sending INIT. Waiting for 1st SIPI to complete...AP: slot 1 apic_id 6. AP: slot 3 apic_id 2. AP: slot 2 apic_id 4. done. Waiting for 2nd SIPI to complete...done. Loading module at 00038000 with entry 00038000. filesize: 0x1a8 memsize: 0x1a8 Processing 12 relocs. Offset value of 0x00038000 SMM Module: stub loaded at 00038000. Will call 7ab9065d(00000000) Installing SMM handler to 0x7b000000 Loading module at 7b010000 with entry 7b010cfc. filesize: 0x3550 memsize: 0x7630 Processing 229 relocs. Offset value of 0x7b010000 Loading module at 7b008000 with entry 7b008000. filesize: 0x1a8 memsize: 0x1a8 Processing 12 relocs. Offset value of 0x7b008000 SMM Module: placing jmp sequence at 7b007c00 rel16 0x03fd SMM Module: placing jmp sequence at 7b007800 rel16 0x07fd SMM Module: placing jmp sequence at 7b007400 rel16 0x0bfd SMM Module: stub loaded at 7b008000. Will call 7b010cfc(00000000) Clearing SMI status registers New SMBASE 0x7afff400 Relocation complete. New SMBASE 0x7afffc00 Relocation complete. New SMBASE 0x7b000000 Relocation complete. New SMBASE 0x7afff800 Relocation complete. Initializing CPU #0 CPU: vendor Intel device 506c9 CPU: family 06, model 5c, stepping 09 CPU #0 initialized Initializing CPU #3 Initializing CPU #1 CPU: vendor Intel device 506c9 CPU: family 06, model 5c, stepping 09 Initializing CPU #2 CPU #3 initialized CPU: vendor Intel device 506c9 CPU: family 06, model 5c, stepping 09 CPU: vendor Intel device 506c9 CPU: family 06, model 5c, stepping 09 CPU #2 initialized CPU #1 initialized Enabling SMIs. MTRR: TEMPORARY Physical address space: 0x0000000000000000 - 0x00000000000a0000 size 0x000a0000 type 6 0x00000000000a0000 - 0x00000000000c0000 size 0x00020000 type 0 0x00000000000c0000 - 0x000000007b800000 size 0x7b740000 type 6 0x000000007b800000 - 0x00000000ff000000 size 0x83800000 type 0 0x00000000ff000000 - 0x0000000100000000 size 0x01000000 type 5 0x0000000100000000 - 0x0000000180000000 size 0x80000000 type 6 MTRR: default type WB/UC MTRR counts: 10/8. MTRR: UC selected as default type. MTRR: 0 base 0x0000000000000000 mask 0x0000007fc0000000 type 6 MTRR: 1 base 0x0000000040000000 mask 0x0000007fe0000000 type 6 MTRR: 2 base 0x0000000060000000 mask 0x0000007ff0000000 type 6 MTRR: 3 base 0x0000000070000000 mask 0x0000007ff8000000 type 6 MTRR: 4 base 0x0000000078000000 mask 0x0000007ffc000000 type 6 MTRR: 5 base 0x000000007b800000 mask 0x0000007fff800000 type 0 MTRR: 6 base 0x00000000ff000000 mask 0x0000007fff000000 type 5 MTRR: 7 base 0x0000000100000000 mask 0x0000007f00000000 type 6 CPU_CLUSTER: 0 init finished in 468562 usecs PCI: 00:00.0 init ... PCI: 00:00.0 init finished in 2238 usecs PCI: 00:00.1 init ... PCI: 00:00.1 init finished in 2239 usecs PCI: 00:00.2 init ... PCI: 00:00.2 init finished in 2236 usecs PCI: 00:02.0 init ... PCI: 00:02.0 init finished in 2243 usecs PCI: 00:03.0 init ... PCI: 00:03.0 init finished in 2239 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 27362 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 2235 usecs PCI: 00:0f.1 init ... PCI: 00:0f.1 init finished in 2235 usecs PCI: 00:0f.2 init ... PCI: 00:0f.2 init finished in 2233 usecs PCI: 00:15.0 init ... PCI: 00:15.0 init finished in 2238 usecs PCI: 00:16.0 init ... LPSS I2C bus 0 at 0xc2b21000 (400 KHz) PCI: 00:16.0 init finished in 6131 usecs PCI: 00:16.1 init ... LPSS I2C bus 1 at 0xc2b23000 (400 KHz) PCI: 00:16.1 init finished in 6114 usecs PCI: 00:16.2 init ... LPSS I2C bus 2 at 0xc2b25000 (400 KHz) PCI: 00:16.2 init finished in 6128 usecs PCI: 00:16.3 init ... LPSS I2C bus 3 at 0xc2b27000 (400 KHz) PCI: 00:16.3 init finished in 6123 usecs PCI: 00:17.0 init ... LPSS I2C bus 4 at 0xc2b29000 (400 KHz) PCI: 00:17.0 init finished in 6118 usecs PCI: 00:17.1 init ... LPSS I2C bus 5 at 0xc2b2b000 (400 KHz) PCI: 00:17.1 init finished in 6114 usecs PCI: 00:19.0 init ... PCI: 00:19.0 init finished in 2233 usecs PCI: 00:1c.0 init ... PCI: 00:1c.0 init finished in 2231 usecs PCI: 00:1f.0 init ... RTC Init PCI: 00:1f.0 init finished in 3547 usecs PCI: 00:1f.1 init ... PCI: 00:1f.1 init finished in 2236 usecs PCI: 01:00.0 init ... PCI: 01:00.0 init finished in 2235 usecs PNP: 0c09.0 init ... Keyboard init... PS/2 keyboard initialized on primary channel Google Chrome EC: Initializing keyboard. Google Chrome EC: Hello got back 11223344 status (0) Google Chrome EC: version: ro: coral_v1.1.7292-04956f5df rw: coral_v1.1.7292-04956f5df running image: 1 PNP: 0c09.0 init finished in 42233 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 4992 run 882255 exit 893 ELOG: Event(A1) added with size 10 at 2022-07-05 21:55:50 UTC elog_add_boot_reason: Logged recovery mode boot (Dev-switch on), reason: 0x1b ELOG: Event(A0) added with size 9 at 2022-07-05 21:55:50 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 24957 run 3946 exit 5287 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 8f4a 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 814008 exit 0 FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'fallback/payload' CBFS: Found @ offset f6d00 size 36dd4 Loading segment from ROM address 0xff37cd38 code (compression=0) New segment dstaddr 0x30104040 memsize 0x251570 srcaddr 0xff37cd70 filesize 0x36d9c Loading segment from ROM address 0xff37cd54 Entry Point 0x30104040 Loading Segment: addr: 0x0000000030104040 memsz: 0x0000000000251570 filesz: 0x0000000000036d9c lb: [0x000000007ab78000, 0x000000007abc4bb0) Post relocation: addr: 0x0000000030104040 memsz: 0x0000000000251570 filesz: 0x0000000000036d9c it's not compressed! [ 0x30104040, 3013addc, 0x303555b0) <- ff37cd70 Clearing Segment: addr: 0x000000003013addc memsz: 0x000000000021a7d4 dest 30104040, end 303555b0, bouncebuffer ffffffff Loaded segments CSE FWSTS1: 0x80000245 CSE FWSTS2: 0x3b850000 CSE FWSTS3: 0x00000000 CSE FWSTS4: 0x00080000 CSE FWSTS5: 0x00000000 CSE FWSTS6: 0x40000000 ME: Manufacturing Mode : NO ME: FPF status : fused BS: BS_PAYLOAD_LOAD times (us): entry 174 run 108149 exit 32939 Jumping to boot code at 30104040(7ab34000) CPU0: stack: 7abb4000 - 7abb5000, lowest used address 7abb481c, stack used: 2020 bytes Starting depthcharge on coral... WARNING: can't convert coreboot GPIOs, 'lid' won't be resampled at runtime! WARNING: can't convert coreboot GPIOs, 'power' won't be resampled at runtime! BIOS MMAP details: IFD Base Offset : 0x1000 IFD End Offset : 0xf7f000 MMAP Size : 0xf7e000 MMAP Start : 0xff082000 The GBB signature is at 0x30004040 and is: 24 47 42 42 [firmware-coral-10068.B-rcn] Dec 21 2020 15:04:32 coral: enet dhcp enet dhcp Waiting for link R8152: Initializing Version 9 (ocp_data = 6010) R8152: Done initializing Adding net device done. MAC: 00:e0:4c:68:0d:ad Sending DHCP discover... done. Waiting for reply... done. Sending DHCP request... done. Waiting for reply... done. My ip is 192.168.201.11 The DHCP server ip is 192.168.201.1 coral: tftpboot 192.168.201.1 6756574/tftp-deploy-bze_vhz2/kernel/bzImage 6756574/tftp-deploy-bze_vhz2/kernel/cmdline 6756574/tftp-deploy-bze_vhz2/ramdisk/ramdisk.cpio.gz tftpboot 192.168.201.1 6756574/tftp-deploy-bze_vhz2/kernel/bzImoy-bze_vhz2/kernel/cmdline 6756574/tftp-deploy-bze_vhz2/ramdisk/ramdisk.cpio.gz Waiting for link done. MAC: 00:e0:4c:68:0d:ad Sending DHCP discover... done. Waiting for reply... done. Sending DHCP request... done. Waiting for reply... done. My ip is 192.168.201.11 The DHCP server ip is 192.168.201.1 TFTP server IP predefined by user: 192.168.201.1 Bootfile predefined by user: 6756574/tftp-deploy-bze_vhz2/kernel/bzImage Sending tftp read request... done. Waiting for the transfer... 00000000 ################################################################ 00080000 ################################################################ 00100000 ################################################################ 00180000 ################################################################ 00200000 ################################################################ 00280000 ################################################################ 00300000 ################################################################ 00380000 ################################################################ 00400000 ################################################################ 00480000 ################################################################ 00500000 ################################################################ 00580000 ################################################################ 00600000 ################################################################ 00680000 ################################################################ 00700000 ################################################################ 00780000 ################################################################ 00800000 ################################################################ 00880000 ################################################################ 00900000 ################################################################ 00980000 ################################################################ 00a00000 ################################################################ 00a80000 ################################################################ 00b00000 ################################################################ 00b80000 ################################################################ 00c00000 ############################################################### done. The bootfile was 13096928 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: 6756574/tftp-deploy-bze_vhz2/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/6756574/extract-nfsrootfs-3i_7ap1p,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: 20345164 Starting kernel ... [ 0.000000] Linux version 5.10.126-cip11 (KernelCI@build-j315394-x86-64-gcc-10-x86-64-defconfig-x86-chromebootsddt) (gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2) #1 SMP Tue Jul 5 19:27:32 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/6756574/extract-nfsrootfs-3i_7ap1p,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 [ 0.000056] last_pfn = 0x180000 max_arch_pfn = 0x400000000 [ 0.000296] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT [ 0.001118] last_pfn = 0x7a9fd max_arch_pfn = 0x400000000 [ 0.004918] check: Scanning 1 areas for low memory corruption [ 0.004931] Using GB pages for direct mapping [ 0.005447] RAMDISK: [mem 0x377e2000-0x37ffffff] [ 0.005455] ACPI: Early table checksum verification disabled [ 0.005463] ACPI: RSDP 0x00000000000F0000 000024 (v02 CORE ) [ 0.005474] ACPI: XSDT 0x000000007AB100E0 00005C (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.005487] ACPI: FACP 0x000000007AB13130 0000F4 (v04 CORE COREBOOT 00000000 CORE 00000000) [ 0.005501] ACPI: DSDT 0x000000007AB10280 002EA8 (v05 COREv4 COREBOOT 20110725 INTL 20150717) [ 0.005511] ACPI: FACS 0x000000007AB10240 000040 [ 0.005520] ACPI: FACS 0x000000007AB10240 000040 [ 0.005528] ACPI: SSDT 0x000000007AB13230 0015FA (v02 CORE COREBOOT 0000002A CORE 0000002A) [ 0.005538] ACPI: MCFG 0x000000007AB14830 00003C (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.005547] ACPI: TCPA 0x000000007AB14870 000032 (v02 CORE COREBOOT 00000000 CORE 00000000) [ 0.005557] ACPI: APIC 0x000000007AB148B0 00006C (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.005566] ACPI: NHLT 0x000000007AB14920 000E60 (v05 coral coral 00000021 CORE 00000000) [ 0.005576] ACPI: HPET 0x000000007AB17780 000038 (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.005585] ACPI: Reserving FACP table memory at [mem 0x7ab13130-0x7ab13223] [ 0.005590] ACPI: Reserving DSDT table memory at [mem 0x7ab10280-0x7ab13127] [ 0.005593] ACPI: Reserving FACS table memory at [mem 0x7ab10240-0x7ab1027f] [ 0.005597] ACPI: Reserving FACS table memory at [mem 0x7ab10240-0x7ab1027f] [ 0.005601] ACPI: Reserving SSDT table memory at [mem 0x7ab13230-0x7ab14829] [ 0.005605] ACPI: Reserving MCFG table memory at [mem 0x7ab14830-0x7ab1486b] [ 0.005609] ACPI: Reserving TCPA table memory at [mem 0x7ab14870-0x7ab148a1] [ 0.005612] ACPI: Reserving APIC table memory at [mem 0x7ab148b0-0x7ab1491b] [ 0.005616] ACPI: Reserving NHLT table memory at [mem 0x7ab14920-0x7ab1577f] [ 0.005620] ACPI: Reserving HPET table memory at [mem 0x7ab17780-0x7ab177b7] [ 0.005743] No NUMA configuration found [ 0.005747] Faking a node at [mem 0x0000000000000000-0x000000017fffffff] [ 0.005756] NODE_DATA(0) allocated [mem 0x17fff9000-0x17fffcfff] [ 0.005801] Zone ranges: [ 0.005806] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 0.005812] DMA32 [mem 0x0000000001000000-0x00000000ffffffff] [ 0.005818] Normal [mem 0x0000000100000000-0x000000017fffffff] [ 0.005824] Movable zone start for each node [ 0.005827] Early memory node ranges [ 0.005831] node 0: [mem 0x0000000000001000-0x000000000009ffff] [ 0.005835] node 0: [mem 0x0000000000100000-0x000000000fffffff] [ 0.005839] node 0: [mem 0x0000000012151000-0x000000007a9fcfff] [ 0.005843] node 0: [mem 0x0000000100000000-0x000000017fffffff] [ 0.005849] Initmem setup node 0 [mem 0x0000000000001000-0x000000017fffffff] [ 0.005880] On node 0, zone DMA: 1 pages in unavailable ranges [ 0.005933] On node 0, zone DMA: 96 pages in unavailable ranges [ 0.012645] On node 0, zone DMA32: 8529 pages in unavailable ranges [ 0.020122] On node 0, zone Normal: 22019 pages in unavailable ranges [ 0.020153] Reserving Intel graphics memory at [mem 0x7c000000-0x7fffffff] [ 0.020450] ACPI: PM-Timer IO Port: 0x408 [ 0.020522] IOAPIC[0]: apic_id 2, version 32, address 0xfec00000, GSI 0-119 [ 0.020538] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl) [ 0.020544] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 low level) [ 0.020557] Using ACPI (MADT) for SMP configuration information [ 0.020562] ACPI: HPET id: 0x8086a701 base: 0xfed00000 [ 0.020573] TSC deadline timer available [ 0.020579] smpboot: Allowing 4 CPUs, 0 hotplug CPUs [ 0.020609] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] [ 0.020615] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000fffff] [ 0.020619] PM: hibernation: Registered nosave memory: [mem 0x10000000-0x12150fff] [ 0.020624] PM: hibernation: Registered nosave memory: [mem 0x7a9fd000-0x7affffff] [ 0.020628] PM: hibernation: Registered nosave memory: [mem 0x7b000000-0x7fffffff] [ 0.020632] PM: hibernation: Registered nosave memory: [mem 0x80000000-0xcfffffff] [ 0.020635] PM: hibernation: Registered nosave memory: [mem 0xd0000000-0xd0ffffff] [ 0.020639] PM: hibernation: Registered nosave memory: [mem 0xd1000000-0xdfffffff] [ 0.020642] PM: hibernation: Registered nosave memory: [mem 0xe0000000-0xefffffff] [ 0.020646] PM: hibernation: Registered nosave memory: [mem 0xf0000000-0xfed0ffff] [ 0.020650] PM: hibernation: Registered nosave memory: [mem 0xfed10000-0xfed17fff] [ 0.020653] PM: hibernation: Registered nosave memory: [mem 0xfed18000-0xffffffff] [ 0.020661] [mem 0x80000000-0xcfffffff] available for PCI devices [ 0.020670] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1910969940391419 ns [ 0.028928] setup_percpu: NR_CPUS:64 nr_cpumask_bits:64 nr_cpu_ids:4 nr_node_ids:1 [ 0.029555] percpu: Embedded 59 pages/cpu s200848 r8192 d32624 u524288 [ 0.029649] Built 1 zonelists, mobility grouping on. Total pages: 1002002 [ 0.029658] Policy zone: Normal [ 0.029680] 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/6756574/extract-nfsrootfs-3i_7ap1p,tcp,hard ip=dhcp tftpserverip=192.168.201.1 [ 0.030632] Dentry cache hash table entries: 524288 (order: 10, 4194304 bytes, linear) [ 0.031078] Inode-cache hash table entries: 262144 (order: 9, 2097152 bytes, linear) [ 0.031143] mem auto-init: stack:off, heap alloc:off, heap free:off [ 0.064235] Memory: 3875236K/4071724K available (18450K kernel code, 3458K rwdata, 5992K rodata, 1688K init, 11616K bss, 196228K reserved, 0K cma-reserved) [ 0.064386] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1 [ 0.064443] Kernel/User page tables isolation: enabled [ 0.064513] ftrace: allocating 52715 entries in 206 pages [ 0.087526] ftrace: allocated 206 pages with 5 groups [ 0.087864] Running RCU self tests [ 0.087883] rcu: Hierarchical RCU implementation. [ 0.087887] rcu: RCU event tracing is enabled. [ 0.087891] rcu: RCU lockdep checking is enabled. [ 0.087894] rcu: RCU restricting CPUs from NR_CPUS=64 to nr_cpu_ids=4. [ 0.087898] Rude variant of Tasks RCU enabled. [ 0.087901] Tracing variant of Tasks RCU enabled. [ 0.087906] rcu: RCU calculated value of scheduler-enlistment delay is 100 jiffies. [ 0.087910] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=4 [ 0.096011] NR_IRQS: 4352, nr_irqs: 1024, preallocated irqs: 16 [ 0.096443] random: crng init done [ 0.096557] Console: colour dummy device 80x25 [ 0.165674] printk: console [ttyS2] enabled [ 0.166031] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 0.166681] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 0.167038] ... MAX_LOCK_DEPTH: 48 [ 0.167392] ... MAX_LOCKDEP_KEYS: 8192 [ 0.167770] ... CLASSHASH_SIZE: 4096 [ 0.168147] ... MAX_LOCKDEP_ENTRIES: 32768 [ 0.168524] ... MAX_LOCKDEP_CHAINS: 65536 [ 0.168907] ... CHAINHASH_SIZE: 32768 [ 0.169283] memory used by lock dependency info: 6365 kB [ 0.169748] memory used for stack traces: 4224 kB [ 0.170160] per task-struct memory footprint: 1920 bytes [ 0.170681] ACPI: Core revision 20200925 [ 0.171308] clocksource: hpet: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 99544814920 ns [ 0.172151] APIC: Switch to symmetric I/O mode setup [ 0.177124] ..TIMER: vector=0x30 apic1=0 pin1=2 apic2=-1 pin2=-1 [ 0.182142] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0xfc66f4fc7c, max_idle_ns: 440795224246 ns [ 0.183035] Calibrating delay loop (skipped), value calculated using timer frequency.. 2188.80 BogoMIPS (lpj=1094400) [ 0.184023] pid_max: default: 32768 minimum: 301 [ 0.185100] LSM: Security Framework initializing [ 0.185527] SELinux: Initializing. [ 0.186080] LSM support for eBPF active [ 0.186458] Mount-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) [ 0.187036] Mountpoint-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) [ 0.189002] mce: CPU0: Thermal monitoring enabled (TM1) [ 0.189132] Last level iTLB entries: 4KB 48, 2MB 0, 4MB 0 [ 0.190022] Last level dTLB entries: 4KB 0, 2MB 0, 4MB 0, 1GB 0 [ 0.190536] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization [ 0.191025] Spectre V2 : Mitigation: Retpolines [ 0.191418] Spectre V2 : Spectre v2 / SpectreRSB mitigation: Filling RSB on context switch [ 0.192023] Speculative Store Bypass: Vulnerable [ 0.193222] Freeing SMP alternatives memory: 44K [ 0.195367] smpboot: CPU0: Intel(R) Pentium(R) CPU N4200 @ 1.10GHz (family: 0x6, model: 0x5c, stepping: 0x9) [ 0.196925] Performance Events: PEBS fmt3+, Goldmont events, 32-deep LBR, full-width counters, Intel PMU driver. [ 0.197034] ... version: 4 [ 0.197384] ... bit width: 48 [ 0.197734] ... generic registers: 4 [ 0.198025] ... value mask: 0000ffffffffffff [ 0.198484] ... max period: 00007fffffffffff [ 0.198934] ... fixed-purpose events: 3 [ 0.199024] ... event mask: 000000070000000f [ 0.199973] rcu: Hierarchical SRCU implementation. [ 0.201860] smp: Bringing up secondary CPUs ... [ 0.202859] x86: Booting SMP configuration: [ 0.203041] .... node #0, CPUs: #1 #2 #3 [ 0.206168] smp: Brought up 1 node, 4 CPUs [ 0.207030] smpboot: Max logical packages: 1 [ 0.207397] smpboot: Total of 4 processors activated (8755.20 BogoMIPS) [ 0.210025] devtmpfs: initialized [ 0.210401] x86/mm: Memory block size: 128MB [ 0.215125] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1911260446275000 ns [ 0.216044] futex hash table entries: 1024 (order: 5, 131072 bytes, linear) [ 0.217138] pinctrl core: initialized pinctrl subsystem [ 0.217954] PM: RTC time: 21:56:05, date: 2022-07-05 [ 0.218587] NET: Registered protocol family 16 [ 0.219723] audit: initializing netlink subsys (disabled) [ 0.220122] audit: type=2000 audit(1657058165.042:1): state=initialized audit_enabled=0 res=1 [ 0.220804] thermal_sys: Registered thermal governor 'step_wise' [ 0.220816] thermal_sys: Registered thermal governor 'user_space' [ 0.222125] cpuidle: using governor menu [ 0.223258] ACPI: bus type PCI registered [ 0.223316] PCI: MMCONFIG for domain 0000 [bus 00-ff] at [mem 0xe0000000-0xefffffff] (base 0xe0000000) [ 0.224032] PCI: MMCONFIG at [mem 0xe0000000-0xefffffff] reserved in E820 [ 0.224664] PCI: Using configuration type 1 for base access [ 0.249397] Kprobes globally optimized [ 0.250184] HugeTLB registered 1.00 GiB page size, pre-allocated 0 pages [ 0.250638] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages [ 0.251180] cryptomgr_test (40) used greatest stack depth: 14880 bytes left [ 0.255399] ACPI: Added _OSI(Module Device) [ 0.255774] ACPI: Added _OSI(Processor Device) [ 0.256043] ACPI: Added _OSI(3.0 _SCP Extensions) [ 0.256445] ACPI: Added _OSI(Processor Aggregator Device) [ 0.256921] ACPI: Added _OSI(Linux-Dell-Video) [ 0.257027] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio) [ 0.257478] ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics) [ 0.266951] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 0.274499] ACPI: EC: EC started [ 0.274806] ACPI: EC: interrupt blocked [ 0.275683] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62 [ 0.276030] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC used to handle transactions [ 0.276653] ACPI: Interpreter enabled [ 0.277039] ACPI: (supports S0 S3 S5) [ 0.277358] ACPI: Using IOAPIC for interrupt routing [ 0.277843] PCI: Using host bridge windows from ACPI; if necessary, use \"pci=nocrs\" and report a bug [ 0.278902] ACPI: Enabled 1 GPEs in block 00 to 7F [ 0.284107] ACPI: Power Resource [PXP] (on) [ 0.307047] ACPI: Power Resource [PRIC] (on) [ 0.333554] ACPI: Power Resource [PRIC] (on) [ 0.404560] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 0.405036] acpi PNP0A08:00: _OSC: OS supports [ExtendedConfig ASPM ClockPM Segments MSI HPX-Type3] [ 0.406092] acpi PNP0A08:00: _OSC: OS now controls [PME PCIeCapability LTR] [ 0.407461] PCI host bridge to bus 0000:00 [ 0.407819] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 0.408028] pci_bus 0000:00: root bus resource [io 0x1000-0xffff window] [ 0.408607] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 0.409026] pci_bus 0000:00: root bus resource [mem 0x7b800000-0x7fffffff window] [ 0.409660] pci_bus 0000:00: root bus resource [mem 0x80000000-0xe0000000 window] [ 0.410027] pci_bus 0000:00: root bus resource [bus 00-ff] [ 0.410579] pci 0000:00:00.0: [8086:5af0] type 00 class 0x060000 [ 0.412950] pci 0000:00:00.1: [8086:5a8c] type 00 class 0x118000 [ 0.413064] pci 0000:00:00.1: reg 0x10: [mem 0xc2b10000-0xc2b17fff 64bit] [ 0.414336] pci 0000:00:00.2: [8086:5a8e] type 00 class 0x130000 [ 0.414873] pci 0000:00:00.2: reg 0x10: [mem 0xc2800000-0xc28fffff 64bit] [ 0.415044] pci 0000:00:00.2: reg 0x18: [mem 0xc2000000-0xc27fffff 64bit] [ 0.415636] pci 0000:00:00.2: reg 0x20: [mem 0xc2b38000-0xc2b381ff 64bit] [ 0.417512] pci 0000:00:02.0: [8086:5a84] type 00 class 0x030000 [ 0.418047] pci 0000:00:02.0: reg 0x10: [mem 0xc0000000-0xc0ffffff 64bit] [ 0.418638] pci 0000:00:02.0: reg 0x18: [mem 0xb0000000-0xbfffffff 64bit pref] [ 0.419034] pci 0000:00:02.0: reg 0x20: [io 0x1000-0x103f] [ 0.420040] pci 0000:00:03.0: [8086:5a88] type 00 class 0x048000 [ 0.420574] pci 0000:00:03.0: reg 0x10: [mem 0xc1000000-0xc1ffffff 64bit] [ 0.421607] pci 0000:00:0e.0: [8086:5a98] type 00 class 0x040100 [ 0.422062] pci 0000:00:0e.0: reg 0x10: [mem 0xc2b18000-0xc2b1bfff 64bit] [ 0.422689] pci 0000:00:0e.0: reg 0x20: [mem 0xc2900000-0xc29fffff 64bit] [ 0.423156] pci 0000:00:0e.0: PME# supported from D0 D3hot D3cold [ 0.424388] pci 0000:00:0f.0: [8086:5a9a] type 00 class 0x078000 [ 0.424938] pci 0000:00:0f.0: reg 0x10: [mem 0xc2b1e000-0xc2b1efff 64bit] [ 0.426202] pci 0000:00:0f.0: PME# supported from D3hot [ 0.427172] pci 0000:00:14.0: [8086:5ad6] type 01 class 0x060400 [ 0.427894] pci 0000:00:14.0: PME# supported from D0 D3hot D3cold [ 0.428728] pci 0000:00:15.0: [8086:5aa8] type 00 class 0x0c0330 [ 0.429062] pci 0000:00:15.0: reg 0x10: [mem 0xc2b00000-0xc2b0ffff 64bit] [ 0.429799] pci 0000:00:15.0: PME# supported from D3hot D3cold [ 0.431689] pci 0000:00:16.0: [8086:5aac] type 00 class 0x118000 [ 0.432065] pci 0000:00:16.0: reg 0x10: [mem 0xc2b21000-0xc2b21fff 64bit] [ 0.432666] pci 0000:00:16.0: reg 0x18: [mem 0xc2b22000-0xc2b22fff 64bit] [ 0.433702] pci 0000:00:16.1: [8086:5aae] type 00 class 0x118000 [ 0.434071] pci 0000:00:16.1: reg 0x10: [mem 0xc2b23000-0xc2b23fff 64bit] [ 0.434665] pci 0000:00:16.1: reg 0x18: [mem 0xc2b24000-0xc2b24fff 64bit] [ 0.435700] pci 0000:00:16.2: [8086:5ab0] type 00 class 0x118000 [ 0.437065] pci 0000:00:16.2: reg 0x10: [mem 0xc2b25000-0xc2b25fff 64bit] [ 0.437669] pci 0000:00:16.2: reg 0x18: [mem 0xc2b26000-0xc2b26fff 64bit] [ 0.438701] pci 0000:00:16.3: [8086:5ab2] type 00 class 0x118000 [ 0.439065] pci 0000:00:16.3: reg 0x10: [mem 0xc2b27000-0xc2b27fff 64bit] [ 0.439667] pci 0000:00:16.3: reg 0x18: [mem 0xc2b28000-0xc2b28fff 64bit] [ 0.440735] pci 0000:00:17.0: [8086:5ab4] type 00 class 0x118000 [ 0.441063] pci 0000:00:17.0: reg 0x10: [mem 0xc2b29000-0xc2b29fff 64bit] [ 0.441669] pci 0000:00:17.0: reg 0x18: [mem 0xc2b2a000-0xc2b2afff 64bit] [ 0.443701] pci 0000:00:17.1: [8086:5ab6] type 00 class 0x118000 [ 0.444066] pci 0000:00:17.1: reg 0x10: [mem 0xc2b2b000-0xc2b2bfff 64bit] [ 0.444670] pci 0000:00:17.1: reg 0x18: [mem 0xc2b2c000-0xc2b2cfff 64bit] [ 0.445727] pci 0000:00:18.0: [8086:5abc] type 00 class 0x118000 [ 0.446073] pci 0000:00:18.0: reg 0x10: [mem 0xc2b2d000-0xc2b2dfff 64bit] [ 0.446668] pci 0000:00:18.0: reg 0x18: [mem 0xc2b2e000-0xc2b2efff 64bit] [ 0.447706] pci 0000:00:18.1: [8086:5abe] type 00 class 0x118000 [ 0.449066] pci 0000:00:18.1: reg 0x10: [mem 0xc2b2f000-0xc2b2ffff 64bit] [ 0.449668] pci 0000:00:18.1: reg 0x18: [mem 0xc2b30000-0xc2b30fff 64bit] [ 0.450699] pci 0000:00:18.2: [8086:5ac0] type 00 class 0x118000 [ 0.451066] pci 0000:00:18.2: reg 0x10: [mem 0xde000000-0xde000fff 64bit] [ 0.451666] pci 0000:00:18.2: reg 0x18: [mem 0xc2b31000-0xc2b31fff 64bit] [ 0.452738] pci 0000:00:19.0: [8086:5ac2] type 00 class 0x118000 [ 0.453066] pci 0000:00:19.0: reg 0x10: [mem 0xc2b32000-0xc2b32fff 64bit] [ 0.453668] pci 0000:00:19.0: reg 0x18: [mem 0xc2b33000-0xc2b33fff 64bit] [ 0.455739] pci 0000:00:1b.0: [8086:5aca] type 00 class 0x080501 [ 0.456059] pci 0000:00:1b.0: reg 0x10: [mem 0xc2b34000-0xc2b34fff 64bit] [ 0.456652] pci 0000:00:1b.0: reg 0x18: [mem 0xc2b35000-0xc2b35fff 64bit] [ 0.457680] pci 0000:00:1c.0: [8086:5acc] type 00 class 0x080501 [ 0.458066] pci 0000:00:1c.0: reg 0x10: [mem 0xc2b36000-0xc2b36fff 64bit] [ 0.458656] pci 0000:00:1c.0: reg 0x18: [mem 0xc2b37000-0xc2b37fff 64bit] [ 0.459827] pci 0000:00:1f.0: [8086:5ae8] type 00 class 0x060100 [ 0.461900] pci 0000:00:1f.1: [8086:5ad4] type 00 class 0x0c0500 [ 0.462096] pci 0000:00:1f.1: reg 0x10: [mem 0xc2b39000-0xc2b390ff 64bit] [ 0.462761] pci 0000:00:1f.1: reg 0x20: [io 0x1040-0x105f] [ 0.464383] pci 0000:01:00.0: [8086:095a] type 00 class 0x028000 [ 0.465395] pci 0000:01:00.0: reg 0x10: [mem 0xc2a00000-0xc2a01fff 64bit] [ 0.466835] pci 0000:01:00.0: Upstream bridge's Max Payload Size set to 128 (was 256, max 256) [ 0.468175] pci 0000:01:00.0: Max Payload Size set to 128 (was 128, max 128) [ 0.469482] pci 0000:01:00.0: PME# supported from D0 D3hot D3cold [ 0.471882] pci 0000:00:14.0: PCI bridge to [bus 01] [ 0.472041] pci 0000:00:14.0: bridge window [mem 0xc2a00000-0xc2afffff] [ 0.480030] ACPI: EC: interrupt unblocked [ 0.480390] ACPI: EC: event unblocked [ 0.480751] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62 [ 0.482025] ACPI: EC: GPE=0x2b [ 0.482298] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC initialization complete [ 0.482902] ACPI: \_SB_.PCI0.LPCB.EC0_: EC: Used to handle transactions and events [ 0.484092] iommu: Default domain type: Translated [ 0.485099] pci 0000:00:02.0: vgaarb: setting as boot VGA device [ 0.485633] pci 0000:00:02.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none [ 0.486054] pci 0000:00:02.0: vgaarb: bridge control possible [ 0.486549] vgaarb: loaded [ 0.487342] SCSI subsystem initialized [ 0.488114] ACPI: bus type USB registered [ 0.488587] usbcore: registered new interface driver usbfs [ 0.489099] usbcore: registered new interface driver hub [ 0.489602] usbcore: registered new device driver usb [ 0.490163] pps_core: LinuxPPS API ver. 1 registered [ 0.490591] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 0.491037] PTP clock support registered [ 0.492311] Advanced Linux Sound Architecture Driver Initialized. [ 0.493507] NetLabel: Initializing [ 0.493802] NetLabel: domain hash size = 128 [ 0.494025] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO [ 0.494578] NetLabel: unlabeled traffic allowed by default [ 0.496143] PCI: Using ACPI for IRQ routing [ 0.526526] Expanded resource Reserved due to conflict with PCI Bus 0000:00 [ 0.528114] hpet0: at MMIO 0xfed00000, IRQs 2, 8, 0, 0, 0, 0, 0, 0 [ 0.528668] hpet0: 8 comparators, 64-bit 19.200000 MHz counter [ 0.531141] clocksource: Switched to clocksource tsc-early [ 0.952765] VFS: Disk quotas dquot_6.6.0 [ 0.953178] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 0.954177] pnp: PnP ACPI init [ 0.955295] system 00:00: [io 0x0900-0x09fe] has been reserved [ 0.956110] system 00:01: [io 0x0200] has been reserved [ 0.956571] system 00:01: [io 0x0204] has been reserved [ 0.957044] system 00:01: [io 0x0800-0x087f] has been reserved [ 0.957557] system 00:01: [io 0x0880-0x08ff] has been reserved [ 0.960975] pnp: PnP ACPI: found 3 devices [ 0.976333] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns [ 0.977223] NET: Registered protocol family 2 [ 0.977799] IP idents hash table entries: 65536 (order: 7, 524288 bytes, linear) [ 0.979934] tcp_listen_portaddr_hash hash table entries: 2048 (order: 5, 163840 bytes, linear) [ 0.980819] TCP established hash table entries: 32768 (order: 6, 262144 bytes, linear) [ 0.981743] TCP bind hash table entries: 32768 (order: 9, 2359296 bytes, linear) [ 0.984332] TCP: Hash tables configured (established 32768 bind 32768) [ 0.985419] MPTCP token hash table entries: 4096 (order: 6, 360448 bytes, linear) [ 0.986377] UDP hash table entries: 2048 (order: 6, 327680 bytes, linear) [ 0.987241] UDP-Lite hash table entries: 2048 (order: 6, 327680 bytes, linear) [ 0.988321] NET: Registered protocol family 1 [ 0.989509] RPC: Registered named UNIX socket transport module. [ 0.990066] RPC: Registered udp transport module. [ 0.990471] RPC: Registered tcp transport module. [ 0.990880] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 0.991983] NET: Registered protocol family 44 [ 0.992419] pci 0000:00:14.0: PCI bridge to [bus 01] [ 0.992855] pci 0000:00:14.0: bridge window [mem 0xc2a00000-0xc2afffff] [ 0.993463] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7 window] [ 0.993982] pci_bus 0000:00: resource 5 [io 0x1000-0xffff window] [ 0.994522] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window] [ 0.995121] pci_bus 0000:00: resource 7 [mem 0x7b800000-0x7fffffff window] [ 0.995708] pci_bus 0000:00: resource 8 [mem 0x80000000-0xe0000000 window] [ 0.996307] pci_bus 0000:01: resource 1 [mem 0xc2a00000-0xc2afffff] [ 0.997088] pci 0000:00:02.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff] [ 1.000564] PCI: CLS 64 bytes, default 64 [ 1.001331] Unpacking initramfs... [ 1.222872] Freeing initrd memory: 8312K [ 1.223264] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) [ 1.223812] software IO TLB: mapped [mem 0x0000000071e00000-0x0000000075e00000] (64MB) [ 1.224800] RAPL PMU: API unit is 2^-32 Joules, 4 fixed counters, 655360 ms ovfl timer [ 1.225502] RAPL PMU: hw unit of domain pp0-core 2^-14 Joules [ 1.225987] RAPL PMU: hw unit of domain package 2^-14 Joules [ 1.226476] RAPL PMU: hw unit of domain dram 2^-14 Joules [ 1.226939] RAPL PMU: hw unit of domain pp1-gpu 2^-14 Joules [ 1.228735] kvm: already loaded the other module [ 1.229159] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0xfc66f4fc7c, max_idle_ns: 440795224246 ns [ 1.230064] clocksource: Switched to clocksource tsc [ 1.230580] platform rtc_cmos: registered platform RTC device (no PNP device found) [ 1.233485] check: Scanning for low memory corruption every 60 seconds [ 1.236662] Initialise system trusted keyrings [ 1.237354] workingset: timestamp_bits=56 max_order=20 bucket_order=0 [ 1.256230] NFS: Registering the id_resolver key type [ 1.256706] Key type id_resolver registered [ 1.257110] Key type id_legacy registered [ 1.268965] Key type asymmetric registered [ 1.269387] Asymmetric key parser 'x509' registered [ 1.269870] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 249) [ 1.270528] io scheduler mq-deadline registered [ 1.270915] io scheduler kyber registered [ 1.271524] test_firmware: interface ready [ 1.272718] pcieport 0000:00:14.0: PME: Signaling with IRQ 120 [ 1.274500] ACPI: AC Adapter [AC] (on-line) [ 1.275216] input: Lid Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:14/PNP0C09:00/PNP0C0D:00/input/input0 [ 1.276770] ACPI: Lid Switch [LID0] [ 1.277292] input: Power Button as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0C:00/input/input1 [ 1.278182] ACPI: Power Button [PWRB] [ 1.278685] input: Sleep Button as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0E:00/input/input2 [ 1.279599] ACPI: Sleep Button [SLP] [ 1.280132] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input3 [ 1.280938] ACPI: Power Button [PWRF] [ 1.281529] ACPI: \_PR_.CP00: Found 3 idle states [ 1.282682] ACPI: \_PR_.CP01: Found 3 idle states [ 1.283563] ACPI: \_PR_.CP02: Found 3 idle states [ 1.284425] ACPI: \_PR_.CP03: Found 3 idle states [ 1.286339] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 1.289415] Non-volatile memory driver v1.3 [ 1.289615] battery: ACPI: Battery Slot [BAT0] (battery present) [ 1.289962] Linux agpgart interface v0.103 [ 1.293953] i915 0000:00:02.0: vgaarb: deactivate vga console [ 1.348013] i915 0000:00:02.0: Invalid PCI ROM header signature: expecting 0xaa55, got 0xd291 [ 1.348799] i915 0000:00:02.0: [drm] Failed to find VBIOS tables (VBT) [ 1.349527] i915 0000:00:02.0: vgaarb: changed VGA decodes: olddecodes=io+mem,decodes=io+mem:owns=io+mem [ 1.350853] i915 0000:00:02.0: Direct firmware load for i915/bxt_dmc_ver1_07.bin failed with error -2 [ 1.351745] i915 0000:00:02.0: [drm] Failed to load DMC firmware i915/bxt_dmc_ver1_07.bin. Disabling runtime power management. [ 1.352728] i915 0000:00:02.0: [drm] DMC firmware homepage: https://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git/tree/i915 [ 1.397305] [drm] Initialized i915 1.6.0 20200917 for 0000:00:02.0 on minor 0 [ 1.400780] [drm] Initialized vgem 1.0.0 20120112 for vgem on minor 1 [ 1.416733] loop: module loaded [ 1.417725] lkdtm: No crash points registered, enable through debugfs [ 1.470465] dw-apb-uart.6: ttyS0 at MMIO 0xc2b2d000 (irq = 4, base_baud = 115200) is a 16550A [ 1.474172] dw-apb-uart.7: ttyS1 at MMIO 0xc2b2f000 (irq = 5, base_baud = 115200) is a 16550A [ 1.477330] printk: console [ttyS2] disabled [ 1.477944] dw-apb-uart.8: ttyS2 at MMIO 0xde000000 (irq = 6, base_baud = 114825) is a 16550A [ 1.501071] i915 0000:00:02.0: [drm] *ERROR* AUX B/port B: did not complete or timeout within 10ms (status 0xad4003ff) [ 1.501102] i915 0000:00:02.0: [drm] *ERROR* AUX B/port B: not done (status 0xad4003ff) [ 4.369351] printk: console [ttyS2] enabled [ 4.369476] fbcon: i915drmfb (fb0) is primary device [ 4.371925] pxa2xx-spi pxa2xx-spi.9: no DMA channels available, using PIO [ 4.380436] e100: Intel(R) PRO/100 Network Driver [ 4.380440] e100: Copyright(c) 1999-2006 Intel Corporation [ 4.380492] e1000: Intel(R) PRO/1000 Network Driver [ 4.380494] e1000: Copyright (c) 1999-2006 Intel Corporation. [ 4.380562] e1000e: Intel(R) PRO/1000 Network Driver [ 4.380563] e1000e: Copyright(c) 1999 - 2015 Intel Corporation. [ 4.380637] sky2: driver version 1.30 [ 4.380906] usbcore: registered new interface driver r8152 [ 4.381669] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver [ 4.381710] ehci-pci: EHCI PCI platform driver [ 4.381811] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver [ 4.381831] ohci-pci: OHCI PCI platform driver [ 4.381884] uhci_hcd: USB Universal Host Controller Interface driver [ 4.383464] xhci_hcd 0000:00:15.0: xHCI Host Controller [ 4.384422] xhci_hcd 0000:00:15.0: new USB bus registered, assigned bus number 1 [ 4.385681] xhci_hcd 0000:00:15.0: hcc params 0x200077c1 hci version 0x100 quirks 0x0000000081109810 [ 4.385730] xhci_hcd 0000:00:15.0: cache line size of 64 is not supported [ 4.387317] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.10 [ 4.387333] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 4.387337] usb usb1: Product: xHCI Host Controller [ 4.387340] usb usb1: Manufacturer: Linux 5.10.126-cip11 xhci-hcd [ 4.387342] usb usb1: SerialNumber: 0000:00:15.0 [ 4.388661] hub 1-0:1.0: USB hub found [ 4.388767] hub 1-0:1.0: 8 ports detected [ 4.390702] xhci_hcd 0000:00:15.0: xHCI Host Controller [ 4.391340] xhci_hcd 0000:00:15.0: new USB bus registered, assigned bus number 2 [ 4.391363] xhci_hcd 0000:00:15.0: Host supports USB 3.0 SuperSpeed [ 4.391746] usb usb2: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.10 [ 4.391753] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 4.391756] usb usb2: Product: xHCI Host Controller [ 4.391759] usb usb2: Manufacturer: Linux 5.10.126-cip11 xhci-hcd [ 4.391761] usb usb2: SerialNumber: 0000:00:15.0 [ 4.392796] hub 2-0:1.0: USB hub found [ 4.392872] hub 2-0:1.0: 7 ports detected [ 4.394543] usbcore: registered new interface driver usblp [ 4.394600] usbcore: registered new interface driver usb-storage [ 4.394993] udc-core: couldn't find an available UDC - added [g_ether] to list of pending drivers [ 4.395127] i8042: PNP: PS/2 Controller [PNP0303:PS2K] at 0x60,0x64 irq 1 [ 4.395130] i8042: PNP: PS/2 appears to have AUX port disabled, if this is incorrect please boot with i8042.nopnp [ 4.395691] i8042: Warning: Keylock active [ 4.395936] serio: i8042 KBD port at 0x60,0x64 irq 1 [ 4.398557] rtc_cmos rtc_cmos: RTC can wake from S4 [ 4.398772] Console: switching to colour frame buffer device 240x67 [ 4.400605] rtc_cmos rtc_cmos: registered as rtc0 [ 4.400749] rtc_cmos rtc_cmos: alarms up to one month, 114 bytes nvram, hpet irqs [ 4.401671] input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input4 [ 4.402915] i801_smbus 0000:00:1f.1: can't derive routing for PCI INT A [ 4.402920] i801_smbus 0000:00:1f.1: PCI INT A: no GSI [ 4.402957] i801_smbus 0000:00:1f.1: SPD Write Disable is set [ 4.403013] genirq: Flags mismatch irq 0. 00000080 (i801_smbus) vs. 00015a00 (timer) [ 4.403067] i801_smbus 0000:00:1f.1: Failed to allocate irq 0: -16 [ 4.403070] i801_smbus 0000:00:1f.1: SMBus using polling [ 4.403985] device-mapper: ioctl: 4.43.0-ioctl (2020-10-01) initialised: dm-devel@redhat.com [ 4.404057] intel_pstate: Intel P-state driver initializing [ 4.406807] sdhci: Secure Digital Host Controller Interface driver [ 4.406815] sdhci: Copyright(c) Pierre Ossman [ 4.407058] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) [ 4.415461] sdhci-pci 0000:00:1c.0: SDHCI controller found [8086:5acc] (rev b) [ 4.421821] mmc0: SDHCI controller on PCI [0000:00:1c.0] using ADMA 64-bit [ 4.422859] hid: raw HID events driver (C) Jiri Kosina [ 4.425537] usbcore: registered new interface driver usbhid [ 4.425544] usbhid: USB HID core driver [ 4.427742] input: Tablet Mode Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:14/PNP0C09:00/GOOG0006:00/input/input5 [ 4.435255] cros_ec_lpcs GOOG0004:00: Chrome EC device registered [ 4.439148] i915 0000:00:02.0: [drm] fb0: i915drmfb frame buffer device [ 4.450308] snd_hda_intel 0000:00:0e.0: DSP detected with PCI class/subclass/prog-if info 0x040100 [ 4.908771] ipip: IPv4 and MPLS over IPv4 tunneling driver [ 4.917343] gre: GRE over IPv4 demultiplexor driver [ 4.922904] ip_gre: GRE over IPv4 tunneling driver [ 4.932622] IPv4 over IPsec tunneling driver [ 4.938916] Initializing XFRM netlink socket [ 4.946685] NET: Registered protocol family 10 [ 4.956899] Segment Routing with IPv6 [ 4.964677] ip6_gre: GRE over IPv6 tunneling driver [ 4.971806] NET: Registered protocol family 17 [ 4.977480] Key type dns_resolver registered [ 4.985783] microcode: sig=0x506c9, pf=0x1, revision=0x2c [ 4.992264] microcode: Microcode Update Driver: v2.2. [ 4.992288] IPI shorthand broadcast: enabled [ 5.002951] sched_clock: Marking stable (4921153194, 81635129)->(5008106035, -5317712) [ 5.012869] registered taskstats version 1 [ 5.017550] Loading compiled-in X.509 certificates [ 5.019810] mmc0: new HS400 MMC card at address 0001 [ 5.020127] usb 1-5: new high-speed USB device number 2 using xhci_hcd [ 5.039595] mmcblk0: mmc0:0001 DA4064 58.2 GiB [ 5.039941] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) [ 5.045550] mmcblk0boot0: mmc0:0001 DA4064 partition 1 4.00 MiB [ 5.060592] mmcblk0boot1: mmc0:0001 DA4064 partition 2 4.00 MiB [ 5.064193] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) [ 5.068293] mmcblk0rpmb: mmc0:0001 DA4064 partition 3 16.0 MiB, chardev (246:0) [ 5.084206] PM: Magic number: 14:500:954 [ 5.089225] memory memory7: hash matches [ 5.094649] printk: console [netcon0] enabled [ 5.099573] netconsole: network logging started [ 5.115425] mmcblk0: p1 p2 p3 p4 p5 p6 p7 p8 p9 p10 p11 p12 [ 5.149719] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) [ 5.151786] IP-Config: Failed to open gretap0 [ 5.162933] IP-Config: Failed to open erspan0 [ 5.167873] IP-Config: No network devices available [ 5.173457] cfg80211: Loading compiled-in X.509 certificates for regulatory database [ 5.184296] usb 1-5: New USB device found, idVendor=0408, idProduct=3090, bcdDevice= 0.04 [ 5.193713] usb 1-5: New USB device strings: Mfr=3, Product=1, SerialNumber=2 [ 5.199422] modprobe (100) used greatest stack depth: 13728 bytes left [ 5.201767] usb 1-5: Product: USB2.0 HD UVC WebCam [ 5.214581] usb 1-5: Manufacturer: Quanta [ 5.215675] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7' [ 5.219117] usb 1-5: SerialNumber: 0x0001 [ 5.232521] ALSA device list: [ 5.232605] platform regulatory.0: Direct firmware load for regulatory.db failed with error -2 [ 5.235936] No soundcards found. [ 5.247981] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) [ 5.249713] cfg80211: failed to load regulatory.db [ 5.265372] dw-apb-uart dw-apb-uart.8: forbid DMA for kernel console [ 5.273225] usb 2-5: new SuperSpeed Gen 1 USB device number 2 using xhci_hcd [ 5.288875] Freeing unused kernel image (initmem) memory: 1688K [ 5.297595] usb 2-5: New USB device found, idVendor=0bda, idProduct=8153, bcdDevice=31.00 [ 5.306845] usb 2-5: New USB device strings: Mfr=1, Product=2, SerialNumber=6 [ 5.314896] usb 2-5: Product: USB 10/100/1000 LAN [ 5.320211] usb 2-5: Manufacturer: Realtek [ 5.324845] usb 2-5: SerialNumber: 001000001 [ 5.332449] Write protecting the kernel read-only data: 26624k [ 5.344551] Freeing unused kernel image (text/rodata gap) memory: 2028K [ 5.344718] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) [ 5.360544] Freeing unused kernel image (rodata/data gap) memory: 152K [ 5.368266] Run /init as init process Loading, please wait... [ 5.412236] usb 1-6: new full-speed USB device number 3 using xhci_hcd Starting version 247.3-7 [ 5.551393] usb 1-6: New USB device found, idVendor=8087, idProduct=0a2a, bcdDevice= 0.03 [ 5.560671] usb 1-6: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 5.576481] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) [ 5.667794] usb 2-5: reset SuperSpeed Gen 1 USB device number 2 using xhci_hcd [ 5.698284] r8152 2-5:1.0: Direct firmware load for rtl_nic/rtl8153b-2.fw failed with error -2 [ 5.708281] r8152 2-5:1.0: unable to load firmware patch rtl_nic/rtl8153b-2.fw (-2) [ 5.755446] r8152 2-5:1.0 eth0: v1.11.11 [ 5.761679] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) [ 5.826380] r8152 2-5:1.0 enx00e04c680dad: renamed from eth0 [ 5.855390] snd_hda_intel 0000:00:0e.0: bound 0000:00:02.0 (ops i915_audio_component_bind_ops) [ 5.888319] snd_hda_intel 0000:00:0e.0: Cannot probe codecs, giving up [ 6.686287] cros-usbpd-notify-acpi GOOG0003:00: Couldn't get Chrome EC device pointer. [ 6.697397] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) [ 6.808342] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) [ 7.049597] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) [ 7.069158] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) Begin: Loading essential drivers ... done. Begin: Running /scripts/init-premount ... done. Begin: Mounting root file system ... Begin: Running /scripts/nfs-top ... done. Begin: Running /scripts/nfs-premount ... done. IP-Config: gretap0 hardware address 00:00:00:00:00:00 mtu 1462 DHCP SIOCSIFFLAGS: Cannot assign requested address IP-Config: erspan0 hardware address 00:00:00:00:00:00 mtu 1450 DHCP SIOCSIFFLAGS: Cannot assign requested address IP-Config: enx00e04c680dad hardware address 00:e0:4c:68:0d:ad mtu 1500 DHCP [ 7.483558] IPv6: ADDRCONF(NETDEV_CHANGE): enx00e04c680dad: link becomes ready [ 7.493459] r8152 2-5:1.0 enx00e04c680dad: carrier on IP-Config: no response after 2 secs - giving up 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: enx00e04c680dad hardware address 00:e0:4c:68:0d:ad mtu 1500 DHCP IP-Config: enx00e04c680dad complete (dhcp from 192.168.201.1): address: 192.168.201.11 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-4 domain : lava-rack rootserver: 192.168.201.1 rootpath: filename : [ 9.581261] nfsmount (161) used greatest stack depth: 12680 bytes left done. Begin: Running /scripts/nfs-bottom ... done. Begin: Running /scripts/init-bottom ... done. SELinux: Could not open policy file <= /etc/selinux/targeted/policy/policy.33: No such file or directory [ 11.337624] systemd[1]: systemd 247.3-7 running in system mode. (+PAM +AUDIT +SELINUX +IMA +APPARMOR +SMACK +SYSVINIT +UTMP +LIBCRYPTSETUP +GCRYPT +GNUTLS +ACL +XZ +LZ4 +ZSTD +SECCOMP +BLKID +ELFUTILS +KMOD +IDN2 -IDN +PCRE2 default-hierarchy=unified) [ 11.376989] systemd[1]: Detected architecture x86-64. Welcome to [1mDebian GNU/Linux 11 (bullseye)[0m! [ 11.422556] systemd[1]: Set hostname to . [ 12.929906] systemd[1]: Queued start job for default target Graphical Interface. [ 12.948597] systemd[1]: Created slice system-getty.slice. [[0;32m OK [0m] Created slice [0;1;39msystem-getty.slice[0m. [ 12.965442] systemd[1]: Created slice system-modprobe.slice. [[0;32m OK [0m] Created slice [0;1;39msystem-modprobe.slice[0m. [ 12.983993] systemd[1]: Created slice system-serial\x2dgetty.slice. [[0;32m OK [0m] Created slice [0;1;39msystem-serial\x2dgetty.slice[0m. [ 13.002574] systemd[1]: Created slice User and Session Slice. [[0;32m OK [0m] Created slice [0;1;39mUser and Session Slice[0m. [ 13.020199] 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. [ 13.040729] 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. [ 13.063235] 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. [ 13.086894] systemd[1]: Reached target Local Encrypted Volumes. [[0;32m OK [0m] Reached target [0;1;39mLocal Encrypted Volumes[0m. [ 13.103851] systemd[1]: Reached target Paths. [[0;32m OK [0m] Reached target [0;1;39mPaths[0m. [ 13.117772] systemd[1]: Reached target Remote File Systems. [[0;32m OK [0m] Reached target [0;1;39mRemote File Systems[0m. [ 13.134734] systemd[1]: Reached target Slices. [[0;32m OK [0m] Reached target [0;1;39mSlices[0m. [ 13.148763] systemd[1]: Reached target Swap. [[0;32m OK [0m] Reached target [0;1;39mSwap[0m. [ 13.162138] systemd[1]: Listening on initctl Compatibility Named Pipe. [[0;32m OK [0m] Listening on [0;1;39minitctl Compatibility Named Pipe[0m. [ 13.183446] systemd[1]: Listening on Journal Audit Socket. [[0;32m OK [0m] Listening on [0;1;39mJournal Audit Socket[0m. [ 13.203408] systemd[1]: Listening on Journal Socket (/dev/log). [[0;32m OK [0m] Listening on [0;1;39mJournal Socket (/dev/log)[0m. [ 13.222865] systemd[1]: Listening on Journal Socket. [[0;32m OK [0m] Listening on [0;1;39mJournal Socket[0m. [ 13.242411] systemd[1]: Listening on Network Service Netlink Socket. [[0;32m OK [0m] Listening on [0;1;39mNetwork Service Netlink Socket[0m. [ 13.267883] systemd[1]: Listening on udev Control Socket. [[0;32m OK [0m] Listening on [0;1;39mudev Control Socket[0m. [ 13.285425] systemd[1]: Listening on udev Kernel Socket. [[0;32m OK [0m] Listening on [0;1;39mudev Kernel Socket[0m. [ 13.310024] systemd[1]: Mounting Huge Pages File System... Mounting [0;1;39mHuge Pages File System[0m... [ 13.333288] systemd[1]: Mounting POSIX Message Queue File System... Mounting [0;1;39mPOSIX Message Queue File System[0m... [ 13.361651] systemd[1]: Mounting Kernel Debug File System... Mounting [0;1;39mKernel Debug File System[0m... [ 13.385391] systemd[1]: Mounting Kernel Trace File System... Mounting [0;1;39mKernel Trace File System[0m... [ 13.418384] systemd[1]: Starting Create list of static device nodes for the current kernel... Starting [0;1;39mCreate list of st…odes for the current kernel[0m... [ 13.445833] systemd[1]: Starting Load Kernel Module configfs... Starting [0;1;39mLoad Kernel Module configfs[0m... [ 13.470212] systemd[1]: Starting Load Kernel Module drm... Starting [0;1;39mLoad Kernel Module drm[0m... [ 13.492735] systemd[1]: Starting Load Kernel Module fuse... [ 13.499426] mount (188) used greatest stack depth: 12528 bytes left Starting [0;1;39mLoad Kernel Module fuse[0m... [ 13.526080] systemd[1]: Condition check resulted in Set Up Additional Binary Formats being skipped. [ 13.555766] systemd[1]: Starting Journal Service... Starting [0;1;39mJournal Service[0m... [ 13.596022] fuse: init (API version 7.32) [ 13.599649] systemd[1]: Starting Load Kernel Modules... Starting [0;1;39mLoad Kernel Modules[0m... [ 13.622456] systemd[1]: Starting Remount Root and Kernel File Systems... Starting [0;1;39mRemount Root and Kernel File Systems[0m... [ 13.651184] systemd[1]: Starting Coldplug All udev Devices... Starting [0;1;39mColdplug All udev Devices[0m... [ 13.685004] systemd[1]: Mounted Huge Pages File System. [[0;32m OK [0m] Mounted [0;1;39mHuge Pages File System[0m. [ 13.700794] systemd[1]: Mounted POSIX Message Queue File System. [[0;32m OK [0m] Mounted [0;1;39mPOSIX Message Queue File System[0m. [ 13.719831] systemd[1]: Mounted Kernel Debug File System. [[0;32m OK [0m] Mounted [0;1;39mKernel Debug File System[0m. [ 13.736891] systemd[1]: Mounted Kernel Trace File System. [[0;32m OK [0m] Mounted [0;1;39mKernel Trace File System[0m. [ 13.761933] 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. [ 13.788291] systemd[1]: modprobe@configfs.service: Succeeded. [ 13.797898] systemd[1]: Finished Load Kernel Module configfs. [[0;32m OK [0m] Finished [0;1;39mLoad Kernel Module configfs[0m. [ 13.823667] systemd[1]: modprobe@drm.service: Succeeded. [ 13.833663] systemd[1]: Finished Load Kernel Module drm. [[0;32m OK [0m] Finished [0;1;39mLoad Kernel Module drm[0m. [ 13.853811] systemd[1]: modprobe@fuse.service: Succeeded. [ 13.863298] systemd[1]: Finished Load Kernel Module fuse. [[0;32m OK [0m] Finished [0;1;39mLoad Kernel Module fuse[0m. [ 13.883703] systemd[1]: Finished Load Kernel Modules. [[0;32m OK [0m] Finished [0;1;39mLoad Kernel Modules[0m. [ 13.904556] systemd[1]: Finished Remount Root and Kernel File Systems. [[0;32m OK [0m] Finished [0;1;39mRemount Root and Kernel File Systems[0m. [ 13.931574] systemd[1]: Mounting FUSE Control File System... Mounting [0;1;39mFUSE Control File System[0m... [ 13.955475] systemd[1]: Mounting Kernel Configuration File System... Mounting [0;1;39mKernel Configuration File System[0m... [ 13.985523] systemd[1]: Condition check resulted in Rebuild Hardware Database being skipped. [ 13.996231] systemd[1]: Condition check resulted in Platform Persistent Storage Archival being skipped. [ 14.014958] systemd[1]: Starting Load/Save Random Seed... Starting [0;1;39mLoad/Save Random Seed[0m... [ 14.038689] systemd[1]: Starting Apply Kernel Variables... Starting [0;1;39mApply Kernel Variables[0m... [ 14.064803] systemd[1]: Starting Create System Users... Starting [0;1;39mCreate System Users[0m... [ 14.085704] systemd[1]: Mounted FUSE Control File System. [[0;32m OK [0m] Mounted [0;1;39mFUSE Control File System[0m. [ 14.101352] systemd[1]: Mounted Kernel Configuration File System. [[0;32m OK [0m] Mounted [0;1;39mKernel Configuration File System[0m. [ 14.171778] systemd[1]: Finished Load/Save Random Seed. [[0;32m OK [0m] Finished [0;1;39mLoad/Save Random Seed[0m. [ 14.188865] systemd[1]: Condition check resulted in First Boot Complete being skipped. [ 14.202775] systemd[1]: Finished Apply Kernel Variables. [[0;32m OK [0m] Finished [0;1;39mApply Kernel Variables[0m. [ 14.363648] systemd[1]: Finished Create System Users. [[0;32m OK [0m] Finished [0;1;39mCreate System Users[0m. [ 14.386622] systemd[1]: Starting Create Static Device Nodes in /dev... Starting [0;1;39mCreate Static Device Nodes in /dev[0m... [ 14.409613] systemd[1]: Started Journal Service. [[0;32m OK [0m] Started [0;1;39mJournal Service[0m. Starting [0;1;39mFlush Journal to Persistent Storage[0m... [ 14.548908] systemd-journald[197]: Received client request to flush runtime journal. [[0;32m OK [0m] Finished [0;1;39mCreate Static Device Nodes in /dev[0m. [[0;32m OK [0m] Reached target [0;1;39mLocal File Systems (Pre)[0m. [[0;32m OK [0m] Reached target [0;1;39mLocal File Systems[0m. Starting [0;1;39mRule-based Manage…for Device Events and Files[0m... [[0;32m OK [0m] Finished [0;1;39mColdplug All udev Devices[0m. [[0;32m OK [0m] Finished [0;1;39mFlush Journal to Persistent Storage[0m. Starting [0;1;39mCreate Volatile Files and Directories[0m... [[0;32m OK [0m] Started [0;1;39mRule-based Manager for Device Events and Files[0m. Starting [0;1;39mNetwork Service[0m... [[0;32m OK [0m] Created slice [0;1;39msystem-systemd\x2dbacklight.slice[0m. Starting [0;1;39mLoad/Save Screen …f backlight:intel_backlight[0m... [[0;32m OK [0m] Found device [0;1;39mCeleron N3350…3900 Series HSUART Controller[0m. [[0;32m OK [0m] 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 5.10.126-cip11 #1 SMP Tue Jul 5 19:27:32 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/6756574/extract-nfsrootfs-3i_7ap1p' export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/6756574/extract-nfsrootfs-3i_7ap1p' / # 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-6756574/environment . /lava-6756574/environment / # /lava-6756574/bin/lava-test-runner /lava-6756574/0 /lava-6756574/bin/lava-test-runner /lava-6756574/0 + export TESTRUN_ID=0_timesync-off + TESTRUN_ID=0_timesync-off + cd /lava-6756574/0/tests/0_timesync-off ++ cat uuid + UUID=6756574_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-6756574/0/tests/1_kselftest-lkdtm ++ cat uuid + UUID=6756574_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/v5.10.126-cip11-1-gc5218dc69ff1/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-6756574/0/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). 0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded. --2022-07-05 21:56:52-- http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.126-cip11-1-gc5218dc69ff1/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: 3496428 (3.3M) [application/octet-stream] Saving to: 'kselftest.tar.xz' kselftest.tar.xz 0%[ ] 0 --.-KB/s kselftest.tar.xz 1%[ ] 46.39K 161KB/s kselftest.tar.xz 6%[> ] 218.91K 377KB/s kselftest.tar.xz 24%[===> ] 848.17K 919KB/s kselftest.tar.xz 60%[===========> ] 2.02M 1.73MB/s kselftest.tar.xz 92%[=================> ] 3.10M 2.27MB/s kselftest.tar.xz 100%[===================>] 3.33M 2.26MB/s in 1.5s 2022-07-05 21:56:54 (2.26 MB/s) - 'kselftest.tar.xz' saved [3496428/3496428] skiplist: ======================================== breakpoints:breakpoint_test breakpoints:step_after_suspend_test ftrace:ftracetest net:rtnetlink.sh net:tls netfilter:bridge_brouter.sh netfilter:nft_flowtable.sh netfilter:nft_trans_stress.sh pidfd:pidfd_wait ======================================== [ 64.693416] kselftest: Running tests in lkdtm TAP version 13 1..70 # selftests: lkdtm: PANIC.sh # Skipping PANIC: crashes entire system ok 1 selftests: lkdtm: PANIC.sh # SKIP # selftests: lkdtm: BUG.sh [ 65.349462] lkdtm: Performing direct entry BUG [ 65.354857] ------------[ cut here ]------------ [ 65.360145] kernel BUG at drivers/misc/lkdtm/bugs.c:76! [ 65.367107] invalid opcode: 0000 [#1] SMP PTI [ 65.371995] CPU: 0 PID: 721 Comm: cat Not tainted 5.10.126-cip11 #1 [ 65.379002] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 65.385636] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 65.390026] Code: 56 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 15 70 02 [ 65.411062] RSP: 0018:ffffad2e812efe60 EFLAGS: 00010282 [ 65.416921] RAX: ffffffffb8ab1f70 RBX: 0000000000000001 RCX: 0000000000000000 [ 65.424908] RDX: 0000000000000000 RSI: ffff8dc97bc1bf70 RDI: ffffffffb96d9a70 [ 65.432899] RBP: ffffffffb9b1b490 R08: 0000000000000001 R09: 0000000000000001 [ 65.440883] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 65.448874] R13: ffffad2e812eff10 R14: ffffad2e812eff10 R15: ffff8dc904df2000 [ 65.456873] FS: 00007f65b488b580(0000) GS:ffff8dc97bc00000(0000) knlGS:0000000000000000 [ 65.465944] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 65.472385] CR2: 00007f65b46a4000 CR3: 0000000102720000 CR4: 00000000003506f0 [ 65.480381] Call Trace: [ 65.483131] direct_entry.cold+0x2c/0x38 [ 65.487539] full_proxy_write+0x56/0x80 [ 65.491837] vfs_write+0xea/0x390 [ 65.495558] ksys_write+0x68/0xe0 [ 65.499275] do_syscall_64+0x33/0x40 [ 65.503284] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 65.508948] RIP: 0033:0x7f65b47b3f33 [ 65.512949] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 65.534003] RSP: 002b:00007fffea4049a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 65.542494] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f65b47b3f33 [ 65.550496] RDX: 0000000000000004 RSI: 00007f65b46a4000 RDI: 0000000000000001 [ 65.558490] RBP: 00007f65b46a4000 R08: 00007f65b46a3010 R09: 0000000000000000 [ 65.566478] R10: 00007f65b48ae1c0 R11: 0000000000000246 R12: 0000000000000001 [ 65.574470] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 65.582475] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 65.598548] ---[ end trace 1a91beaac65af0c1 ]--- [ 65.603743] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 65.608165] Code: 56 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 15 70 02 [ 65.629240] RSP: 0018:ffffad2e812efe60 EFLAGS: 00010282 [ 65.635114] RAX: ffffffffb8ab1f70 RBX: 0000000000000001 RCX: 0000000000000000 [ 65.643132] RDX: 0000000000000000 RSI: ffff8dc97bc1bf70 RDI: ffffffffb96d9a70 [ 65.651143] RBP: ffffffffb9b1b490 R08: 0000000000000001 R09: 0000000000000001 [ 65.659158] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 65.667180] R13: ffffad2e812eff10 R14: ffffad2e812eff10 R15: ffff8dc904df2000 [ 65.675195] FS: 00007f65b488b580(0000) GS:ffff8dc97bc00000(0000) knlGS:0000000000000000 [ 65.684287] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 65.690754] CR2: 00007f65b46a4000 CR3: 0000000102720000 CR4: 00000000003506f0 # Segmentation fault # [ 65.349462] lkdtm: Performing direct entry BUG # [ 65.354857] ------------[ cut here ]------------ # [ 65.360145] kernel BUG at drivers/misc/lkdtm/bugs.c:76! # [ 65.367107] invalid opcode: 0000 [#1] SMP PTI # [ 65.371995] CPU: 0 PID: 721 Comm: cat Not tainted 5.10.126-cip11 #1 # [ 65.379002] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 65.385636] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 65.390026] Code: 56 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 15 70 02 # [ 65.411062] RSP: 0018:ffffad2e812efe60 EFLAGS: 00010282 # [ 65.416921] RAX: ffffffffb8ab1f70 RBX: 0000000000000001 RCX: 0000000000000000 # [ 65.424908] RDX: 0000000000000000 RSI: ffff8dc97bc1bf70 RDI: ffffffffb96d9a70 # [ 65.432899] RBP: ffffffffb9b1b490 R08: 0000000000000001 R09: 0000000000000001 # [ 65.440883] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 65.448874] R13: ffffad2e812eff10 R14: ffffad2e812eff10 R15: ffff8dc904df2000 # [ 65.456873] FS: 00007f65b488b580(0000) GS:ffff8dc97bc00000(0000) knlGS:0000000000000000 # [ 65.465944] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 65.472385] CR2: 00007f65b46a4000 CR3: 0000000102720000 CR4: 00000000003506f0 # [ 65.480381] Call Trace: # [ 65.483131] direct_entry.cold+0x2c/0x38 # [ 65.487539] full_proxy_write+0x56/0x80 # [ 65.491837] vfs_write+0xea/0x390 # [ 65.495558] ksys_write+0x68/0xe0 # [ 65.499275] do_syscall_64+0x33/0x40 # [ 65.503284] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 65.508948] RIP: 0033:0x7f65b47b3f33 # [ 65.512949] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 65.534003] RSP: 002b:00007fffea4049a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 65.542494] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f65b47b3f33 # [ 65.550496] RDX: [ 65.939816] lkdtm: Performing direct entry WARNING 0000000000000004 RSI: 00007f65b46a4000 RDI: 0000000000000001 # [ 65.945747] ------------[ cut here ]------------ [ 65.558490] RBP: 00007f65b46a4000 R08: 00007f65b46a3010 R09: [ 65.957100] WARNING: CPU: 3 PID: 757 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0xf/0x20 0000000000000000 # [ 65.566478] R10: 00007f65b48ae1c0 R11: 00[ 65.972741] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 00000000000246 R12: 0000000000000001 # [ 65.574470] R13: 0000[ 65.995206] CPU: 3 PID: 757 Comm: cat Tainted: G D 5.10.126-cip11 #1 000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ [ 66.009866] Hardware name: Google Coral/Coral, BIOS 09/29/2020 65.582475] Modules linked in: fuse ip_tables cros_ec_lightbar cr[ 66.022904] RIP: 0010:lkdtm_WARNING+0xf/0x20 os_ec_chardev cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal[ 66.034115] Code: ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 0f 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 15 70 02 01 75 01 c3 <0f> 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 0f 1f 44 00 00 cros_ec_dev cros_usbpd_notify # [ 65.598548] ---[ end trace [ 66.061097] RSP: 0018:ffffad2e81347e60 EFLAGS: 00010202 1a91beaac65af0c1 ]--- # [ 65.603743] RIP: 0010:lkdtm_BUG+0x5/[ 66.073100] RAX: ffffffffb8ab1f80 RBX: 0000000000000002 RCX: 0000000000000000 0x10 # [ 65.608165] Code: 56 a5 ff 48 c7 c0 ea ff ff ff eb e2[ 66.087354] RDX: 0000000000000000 RSI: ffff8dc97bd9bf70 RDI: ffffffffb96d9a80 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc [ 66.101579] RBP: ffffffffb9ac007f R08: 0000000000000000 R09: 0000000000000000 cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f[ 66.115801] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000008 1f 44 00 00 83 05 a0 15 70 02 # [ 65.629240] RSP: 0018:ffffa[ 66.130075] R13: ffffad2e81347f10 R14: ffffad2e81347f10 R15: ffff8dc902b0a000 d2e812efe60 EFLAGS: 00010282 # [ 65.635114] RAX: ffffffffb8ab[ 66.144294] FS: 00007ff2ac7e8580(0000) GS:ffff8dc97bd80000(0000) knlGS:0000000000000000 1f70 RBX: 0000000000000001 RCX: 0000000000000000 # [ 65.64313[ 66.159645] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 2] RDX: 0000000000000000 RSI: ffff8dc97bc1bf70 RDI: ffffffffb96d[ 66.172293] CR2: 00007ff2ac601000 CR3: 0000000104d58000 CR4: 00000000003506e0 9a70 # [ 65.651143] RBP: ffffffffb9b1b490 R08: 00000000000000[ 66.186560] Call Trace: 01 R09: 0000000000000001 # [ 65.659158] R10: 00000000ffffe000[ 66.195546] direct_entry.cold+0x2c/0x38 R11: 3fffffffffffffff R12: 0000000000000004 # [ 65.667180] R[ 66.206173] full_proxy_write+0x56/0x80 13: ffffad2e812eff10 R14: ffffad2e812eff10 R15: ffff8dc904df2000[ 66.216724] vfs_write+0xea/0x390 # [ 65.675195] FS: 00007f65b488b580(0000) GS:ffff8dc97bc000[ 66.226668] ksys_write+0x68/0xe0 00(0000) knlGS:0000000000000000 # [ 65.684287] CS: 0010 DS: [ 66.236637] do_syscall_64+0x33/0x40 0000 ES: 0000 CR0: 0000000080050033 # [ 65.690754] CR2: 00007[ 66.246893] entry_SYSCALL_64_after_hwframe+0x44/0xa9 f65b46a4000 CR3: 0000000102720000 CR4: 00000000003506f0 # BUG: [ 66.258830] RIP: 0033:0x7ff2ac710f33 saw 'kernel BUG at': ok ok 2 selftests: lkdtm: BUG.sh # selfte[ 66.269070] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 sts: lkdtm: WARNING.sh [ 66.296385] RSP: 002b:00007fffb98ae6b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 66.307200] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007ff2ac710f33 [ 66.315219] RDX: 0000000000000008 RSI: 00007ff2ac601000 RDI: 0000000000000001 [ 66.323243] RBP: 00007ff2ac601000 R08: 00007ff2ac600010 R09: 0000000000000000 [ 66.331286] R10: 00007ff2ac80b1c0 R11: 0000000000000246 R12: 0000000000000001 [ 66.339312] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 66.347388] irq event stamp: 0 [ 66.351057] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 66.358185] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 66.367533] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 66.376794] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 66.383993] ---[ end trace 1a91beaac65af0c2 ]--- # [ 65.939816] lkdtm: Performing direct entry WARNING # [ 65.945747] ------------[ cut here ]------------ # [ 65.957100] WARNING: CPU: 3 PID: 757 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0xf/0x20 # [ 65.972741] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 65.995206] CPU: 3 PID: 757 Comm: cat Tainted: G D 5.10.126-cip11 #1 # [ 66.009866] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 66.022904] RIP: 0010:lkdtm_WARNING+0xf/0x20 # [ 66.034115] Code: ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 0f 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 15 70 02 01 75 01 c3 <0f> 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 0f 1f 44 00 00 # [ 66.061097] RSP: 0018:ffffad2e81347e60 EFLAGS: 00010202 # [ 66.073100] RAX: ffffffffb8ab1f80 RBX: 0000000000000002 RCX: 0000000000000000 # [ 66.087354] RDX: 0000000000000000 RSI: ffff8dc97bd9bf70 RDI: ffffffffb96d9a80 # [ 66.101579] RBP: ffffffffb9ac007f R08: 0000000000000000 R09: 0000000000000000 # [ 66.115801] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000008 # [ 66.130075] R13: ffffad2e81347f10 R14: ffffad2e81347f10 R15: ffff8dc902b0a000 # [ 66.144294] FS: 00007ff2ac7e8580(0000) GS:ffff8dc97bd80000(0000) knlGS:0000000000000000 # [ 66.159645] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 66.172293] CR2: 00007ff2ac601000 CR3: 0000000104d58000 CR4: 00000000003506e0 # [ 66.186560] Call Trace: # [ 66.195546] direct_entry.cold+0x2c/0x38 # [ 66.206173] full_proxy_write+0x56/0x80 # [ 66.216724] vfs_write+0xea/0x390 # [ 66.226668] ksys_write+0x68/0xe0 # [ 66.236637] do_syscall_64+0x33/0x40 # [ 66.246893] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 66.258830] RIP: 0033:0x7ff2ac710f33 # [ 66.269070] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 66.296385] RSP: 002b:00007fffb98ae6b8 EFLAGS: 00000246 ORIG_RAX: 0000000000[ 66.652580] lkdtm: Performing direct entry WARNING_MESSAGE [ 66.659647] ------------[ cut here ]------------ [ 66.664857] Warning message trigger count: 2 000001 # [ 66.307200] RAX: ffffffffffffffda RBX: 000000000000[ 66.669729] WARNING: CPU: 1 PID: 792 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30 0008 RCX: 00007ff2ac710f33 # [ 66.315219] RDX: 00000000000000[ 66.686161] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 66.708388] CPU: 1 PID: 792 Comm: cat Tainted: G D W 5.10.126-cip11 #1 [ 66.717000] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 66.723668] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30 [ 66.729357] Code: 1f 84 00 00 00 00 00 0f 1f 00 0f 1f 44 00 00 8b 05 81 15 70 02 48 c7 c7 e0 05 ac b9 8d 70 01 89 35 71 15 70 02 e8 9c b4 61 00 <0f> 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 0f 1f 44 00 00 c7 [ 66.750423] RSP: 0018:ffffad2e813efe60 EFLAGS: 00010286 [ 66.756303] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 [ 66.764320] RDX: ffff8dc97bcac660 RSI: ffff8dc97bc9bf70 RDI: ffff8dc97bc9bf70 [ 66.772330] RBP: ffffffffb9ac0087 R08: 0000000000000000 R09: 0000000000000000 [ 66.780344] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010 [ 66.788366] R13: ffffad2e813eff10 R14: ffffad2e813eff10 R15: ffff8dc9029ce000 [ 66.796381] FS: 00007fa043b09580(0000) GS:ffff8dc97bc80000(0000) knlGS:0000000000000000 [ 66.805472] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 66.811921] CR2: 00007fa043922000 CR3: 0000000103162000 CR4: 00000000003506e0 [ 66.819936] Call Trace: [ 66.822701] direct_entry.cold+0x2c/0x38 08 RSI: 00007ff2ac601000 RDI: 0000000000000001 # [ 66.323243][ 66.827131] full_proxy_write+0x56/0x80 [ 66.837691] vfs_write+0xea/0x390 [ 66.841431] ksys_write+0x68/0xe0 RBP: 00007ff2ac601000 R08: 00007ff2ac600010 R09: 00000000000000[ 66.845178] do_syscall_64+0x33/0x40 [ 66.855415] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 66.861089] RIP: 0033:0x7fa043a31f33 [ 66.865120] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 66.886198] RSP: 002b:00007ffeeeee54c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 66.894708] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007fa043a31f33 [ 66.902733] RDX: 0000000000000010 RSI: 00007fa043922000 RDI: 0000000000000001 [ 66.910756] RBP: 00007fa043922000 R08: 00007fa043921010 R09: 0000000000000000 [ 66.918765] R10: 00007fa043b2c1c0 R11: 0000000000000246 R12: 0000000000000001 [ 66.926765] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 66.934787] irq event stamp: 0 00 # [ 66.331286] R10: 00007ff2ac80b1c0 R11: 0000000000000246[ 66.938237] hardirqs last enabled at (0): [<0000000000000000>] 0x0 R12: 0000000000000001 # [ 66.339312] R13: 0000000000000001 R[ 66.951489] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 66.966908] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 66.976100] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 66.983133] ---[ end trace 1a91beaac65af0c3 ]--- 14: 0000000000020000 R15: 0000000000020000 # [ 66.347388] irq event stamp: 0 # [ 66.351057] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 66.358185] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 66.367533] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 66.376794] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 66.383993] ---[ end trace 1a91beaac65af0c2 ]--- # WARNING: saw 'WARNING:': ok ok 3 selftests: lkdtm: WARNING.sh # selftests: lkdtm: WARNING_MESSAGE.sh # [ 66.652580] lkdtm: Performing direct entry WARNING_MESSAGE # [ 66.659647] ------------[ cut here ]------------ # [ 66.664857] Warning message trigger count: 2 # [ 66.669729] WARNING: CPU: 1 PID: 792 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 66.686161] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 66.708388] CPU: 1 PID: 792 Comm: cat Tainted: G D W 5.10.126-cip11 #1 # [ 66.717000] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 66.723668] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 66.729357] Code: 1f 84 00 00 00 00 00 0f 1f 00 0f 1f 44 00 00 8b 05 81 15 70 02 48 c7 c7 e0 05 ac b9 8d 70 01 89 35 71 15 70 02 e8 9c b4 61 00 <0f> 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 0f 1f 44 00 00 c7 # [ 66.750423] RSP: 0018:ffffad2e813efe60 EFLAGS: 00010286 # [ 66.756303] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 # [ 66.764320] RDX: ffff8dc97bcac660 RSI: ffff8dc97bc9bf70 RDI: ffff8dc97bc9bf70 # [ 66.772330] RBP: ffffffffb9ac0087 R08: 0000000000000000 R09: 0000000000000000 # [ 66.780344] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010 # [ 66.788366] R13: ffffad2e813eff10 R14: ffffad2e813eff10 R15: ffff8dc9029ce000 # [ 66.796381] FS: 00007fa043b09580(0000) GS:ffff8dc97bc80000(0000) knlGS:0000000000000000 # [ 66.805472] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 66.811921] CR2: 00007fa043922000 CR3: 0000000103162000 CR4: 00000000003506e0 # [ 66.819936] Call Trace: # [ 66.822701] direct_entry.cold+0x2c/0x38 # [ 66.827131] full_proxy_write+0x56/0x80 # [ 66.837691] vfs_write+0xea/0x390 # [ 66.841431] ksys_write+0x68/0xe0 # [ 66.845178] do_syscall_64+0x33/0x40 # [ 66.855415] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 66.861089] RIP: 0033:0x7fa043a31f33 # [ 66.865120] C[ 67.237420] lkdtm: Performing direct entry EXCEPTION [ 67.243205] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 67.251012] #PF: supervisor write access in kernel mode [ 67.256867] #PF: error_code(0x0002) - not-present page [ 67.262622] PGD 0 P4D 0 [ 67.265469] Oops: 0002 [#2] SMP PTI [ 67.269382] CPU: 1 PID: 824 Comm: cat Tainted: G D W 5.10.126-cip11 #1 [ 67.277953] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 67.284601] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20 [ 67.289580] Code: 48 c7 c7 e0 05 ac b9 8d 70 01 89 35 71 15 70 02 e8 9c b4 61 00 0f 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 0f 1f 44 00 00 04 25 00 00 00 00 00 00 00 00 c3 66 66 2e 0f 1f 84 00 00 00 00 [ 67.310599] RSP: 0018:ffffad2e81487e60 EFLAGS: 00010282 [ 67.316443] RAX: ffffffffb8ab1fd0 RBX: 0000000000000004 RCX: 0000000000000000 [ 67.324440] RDX: 0000000000000000 RSI: ffff8dc97bc9bf70 RDI: ffffffffb96d9aa0 [ 67.332437] RBP: ffffffffb99f5c97 R08: 0000000000000000 R09: 0000000000000000 [ 67.340437] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a [ 67.348437] R13: ffffad2e81487f10 R14: ffffad2e81487f10 R15: ffff8dc903bee000 [ 67.356438] FS: 00007fec61b80580(0000) GS:ffff8dc97bc80000(0000) knlGS:0000000000000000 [ 67.365509] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 67.371947] CR2: 0000000000000000 CR3: 0000000103130000 CR4: 00000000003506e0 [ 67.379944] Call Trace: [ 67.382694] direct_entry.cold+0x2c/0x38 [ 67.387103] full_proxy_write+0x56/0x80 [ 67.391408] vfs_write+0xea/0x390 [ 67.395123] ksys_write+0x68/0xe0 [ 67.398839] do_syscall_64+0x33/0x40 [ 67.402852] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 67.408515] RIP: 0033:0x7fec61aa8f33 [ 67.412511] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 67.433553] RSP: 002b:00007fff69aa9708 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 67.442043] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fec61aa8f33 [ 67.450042] RDX: 000000000000000a RSI: 00007fec61999000 RDI: 0000000000000001 [ 67.458040] RBP: 00007fec61999000 R08: 00007fec61998010 R09: 0000000000000000 [ 67.466037] R10: 00007fec61ba31c0 R11: 0000000000000246 R12: 0000000000000001 [ 67.474037] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 67.482045] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 67.498068] CR2: 0000000000000000 [ 67.501788] ---[ end trace 1a91beaac65af0c4 ]--- [ 67.506966] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 67.511363] Code: 56 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 15 70 02 [ 67.532416] RSP: 0018:ffffad2e812efe60 EFLAGS: 00010282 [ 67.538276] RAX: ffffffffb8ab1f70 RBX: 0000000000000001 RCX: 0000000000000000 [ 67.546276] RDX: 0000000000000000 RSI: ffff8dc97bc1bf70 RDI: ffffffffb96d9a70 [ 67.554278] RBP: ffffffffb9b1b490 R08: 0000000000000001 R09: 0000000000000001 [ 67.562275] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 67.570273] R13: ffffad2e812eff10 R14: ffffad2e812eff10 R15: ffff8dc904df2000 [ 67.578266] FS: 00007fec61b80580(0000) GS:ffff8dc97bc80000(0000) knlGS:0000000000000000 [ 67.587337] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 67.593779] CR2: 0000000000000000 CR3: 0000000103130000 CR4: 00000000003506e0 [ 67.601782] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 67.611728] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 824, name: cat [ 67.620116] INFO: lockdep is turned off. [ 67.624508] irq event stamp: 0 [ 67.627927] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 67.634959] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 67.644133] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 67.653304] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 67.660333] CPU: 1 PID: 824 Comm: cat Tainted: G D W 5.10.126-cip11 #1 [ 67.668917] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 67.675553] Call Trace: [ 67.678301] dump_stack+0x77/0x97 [ 67.682023] ___might_sleep.cold+0xa6/0xb6 [ 67.686610] exit_signals+0x1c/0x2d0 [ 67.690620] do_exit+0xd5/0xb00 [ 67.694141] ? ksys_write+0x68/0xe0 [ 67.698050] rewind_stack_do_exit+0x17/0x20 [ 67.702741] RIP: 0033:0x7fec61aa8f33 [ 67.706749] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 67.727804] RSP: 002b:00007fff69aa9708 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 67.736285] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fec61aa8f33 [ 67.744283] RDX: 000000000000000a RSI: 00007fec61999000 RDI: 0000000000000001 [ 67.752285] RBP: 00007fec61999000 R08: 00007fec61998010 R09: 0000000000000000 [ 67.760279] R10: 00007fec61ba31c0 R11: 0000000000000246 R12: 0000000000000001 [ 67.768269] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ode: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 66.886198] RSP: 002b:00007ffeeeee54c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 66.894708] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007fa043a31f33 # [ 66.902733] RDX: 0000000000000010 RSI: 00007fa043922000 RDI: 0000000000000001 # [ 66.910756] RBP: 00007fa043922000 R08: 00007fa043921010 R09: 0000000000000000 # [ 66.918765] R10: 00007fa043b2c1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 66.926765] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 66.934787] irq event stamp: 0 # [ 66.938237] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 66.951489] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 66.966908] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 66.976100] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 66.983133] ---[ end trace 1a91beaac65af0c3 ]--- # WARNING_MESSAGE: saw 'message trigger': ok ok 4 selftests: lkdtm: WARNING_MESSAGE.sh # selftests: lkdtm: EXCEPTION.sh # Killed # [ 67.237420] lkdtm: Performing direct entry EXCEPTION # [ 67.243205] BUG: kernel NULL pointer dereference, address: 0000000000000000 # [ 67.251012] #PF: supervisor write access in kernel mode # [ 67.256867] #PF: error_code(0x0002) - not-present page # [ 67.262622] PGD 0 P4D 0 # [ 67.265469] Oops: 0002 [#2] SMP PTI # [ 67.269382] CPU: 1 PID: 824 Comm: cat Tainted: G D W 5.10.126-cip11 #1 # [ 67.277953] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 67.284601] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20 # [ 67.289580] Code: 48 c7 c7 e0 05 ac b9 8d 70 01 89 35 71 15 70 02 e8 9c b4 61 00 0f 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 0f 1f 44 00 00 04 25 00 00 00 00 00 00 00 00 c3 66 66 2e 0f 1f 84 00 00 00 00 # [ 67.310599] RSP: 0018:ffffad2e81487e60 EFLAGS: 00010282 # [ 67.316443] RAX: ffffffffb8ab1fd0 RBX: 0000000000000004 RCX: 0000000000000000 # [ 67.324440] RDX: 0000000000000000 RSI: ffff8dc97bc9bf70 RDI: ffffffffb96d9aa0 # [ 67.332437] RBP: ffffffffb99f5c97 R08: 0000000000000000 R09: 0000000000000000 # [ 67.340437] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 67.348437] R13: ffffad2e81487f10 R14: ffffad2e81487f10 R15: ffff8dc903bee000 # [ 67.356438] FS: 00007fec61b80580(0000) GS:ffff8dc97bc80000(0000) knlGS:0000000000000000 # [ 67.365509] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 67.371947] CR2: 0000000000000000 CR3: 0000000103130000 CR4: 00000000003506e0 # [ 67.379944] Call Trace: # [ 67.382694] direct_entry.cold+0x2c/0x38 # [ 67.387103] full_proxy_write+0x56/0x80 # [ 67.391408] vfs_write+0xea/0x390 # [ 67.395123] ksys_write+0x68/0xe0 # [ 67.398839] do_syscall_64+0x33/0x40 # [ 67.402852] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 67.408515] RIP: 0033:0x7fec61aa8f33 # [ 67.412511] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 67.433553] RSP: 002b:00007fff69aa9708 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 67.442043] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fec61aa8f33 # [ 67.450042] RDX: 000000000000000a RSI: 00007fec61999000 RDI: 0000000000000001 # [ 67.458040] RBP: 00007fec61999000 R08: 00007fec61998010 R09: 0000000000000000 # [ 67.466037] R10: 00007fec61ba31c0 R11: 0000000000000246 R12: 0000000000000001 # [ 67.474037] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 67.482045] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 67.498068] CR2: 0000000000000000 # [ 67.501788] ---[ end trace 1a91beaac65af0c4 ]--- # [ 67.506966] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 67.511363] Code: 56 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 15 70 02 # [ 67.532416] RSP: 0018:ffffad2e812efe60 EFLAGS: 00010282 # [ 67.538276] RAX: ffffffffb8ab1f70 RBX: 0000000000000001 RCX: 0000000000000000 # [ 67.546276] RDX: 0000000000000000 RSI: ffff8dc97bc1bf70 RDI: ffffffffb96d9a70 # [ 67.554278] RBP: ffffffffb9b1b490 R08: 0000000000000001 R09: 0000000000000001 # [ 67.562275] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 67.570273] R13: ffffad2e812eff10 R14: ffffad2e812eff10 R15: ffff8dc904df2000 # [ 67.578266] FS: 00007fec61b80580(0000) GS:ffff8dc97bc80000(0000) knlGS:0000000000000000 # [ 67.587337] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 67.593779] CR2: 0000000000000000 CR3: 0000000103130000 CR4: 00000000003506e0 # [ 67.601782] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 67.611728] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 824, name: cat # [ 67.620116] INFO: lockdep is turned off. # [ 67.624508] irq event stamp: 0 # [ 67.627927] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 67.634959] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 67.644133] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 67.653304] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 67.660333] CPU: 1 PID: 824 Comm: cat Tainted: G D W 5.10.126-cip11 #1 # [ 67.668917] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 67.675553] Call Trace: # [ 67.678301] dump_stack+0x77/0x97 # [ 67.682023] ___might_sleep.cold+0xa6/0xb6 # [ 67.686610] exit_signals+0x1c/0x2d0 # [ 67.690620] do_exit+0xd5/0xb00 # [ 67.694141] ? ksys_write+0x68/0xe0 # [ 67.698050] rewind_stack_do_exit+0x17/0x20 # [ 67.702741] RIP: 0033:0x7fec61aa8f33 # [ 67.706749] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 67.727804] RSP: 002b:00007fff69aa9708 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 67.736285] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fec61aa8f33 # [ 67.744283] RDX: 000000000000000a RSI: 00007fec61999000 RDI: 0000000000000001 # [ 67.752285] RBP: 00007fec61999000 R08: 00007fec61998010 R09: 0000000000000000 # [ 67.760279] R10: 00007fec61ba31c0 R11: 0000000000000246 R12: 0000000000000001 # [ 67.768269] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # EXCEPTION: saw 'call trace:': ok ok 5 selftests: lkdtm: EXCEPTION.sh # selftests: lkdtm: LOOP.sh # Skipping LOOP: Hangs the system ok 6 selftests: lkdtm: LOOP.sh # SKIP # selftests: lkdtm: EXHAUST_STACK.sh # Skipping EXHAUST_STACK: Corrupts memory on failure ok 7 selftests: lkdtm: EXHAUST_STACK.sh # SKIP # selftests: lkdtm: CORRUPT_STACK.sh # Skipping CORRUPT_STACK: Crashes entire system on success ok 8 selftests: lkdtm: CORRUPT_STACK.sh # SKIP # selftests: lkdtm: CORRUPT_STACK_STRONG.sh # Skipping CORRUPT_STACK_STRONG: Crashes entire system on success ok 9 selftests: lkdtm: CORRUPT_STACK_STRONG.sh # SKIP # selftests: lkdtm: CORRUPT_LIST_ADD.sh [ 68.615815] lkdtm: Performing direct entry CORRUPT_LIST_ADD [ 68.622101] lkdtm: attempting good list addition [ 68.627301] lkdtm: attempting corrupted list addition [ 68.632992] lkdtm: list_add() corruption not detected! # [ 68.615815] lkdtm: Performing direct entry CORRUPT_LIST_ADD # [ 68.622101] lkdtm: attempting good list addition # [ 68.627301] lkdtm: attempting corrupted list addition # [ 68.632992] lkdtm: list_add() corruption not detected! # CORRUPT_LIST_ADD: missing 'list_add corruption': [FAIL] not ok 10 selftests: lkdtm: CORRUPT_LIST_ADD.sh # exit=1 # selftests: lkdtm: CORRUPT_LIST_DEL.sh [ 68.875574] lkdtm: Performing direct entry CORRUPT_LIST_DEL [ 68.881895] lkdtm: attempting good list removal [ 68.887008] lkdtm: attempting corrupted list removal [ 68.892641] lkdtm: list_del() corruption not detected! # [ 68.875574] lkdtm: Performing direct entry CORRUPT_LIST_DEL # [ 68.881895] lkdtm: attempting good list removal # [ 68.887008] lkdtm: attempting corrupted list removal # [ 68.892641] lkdtm: list_del() corruption not detected! # CORRUPT_LIST_DEL: missing 'list_del corruption': [FAIL] not ok 11 selftests: lkdtm: CORRUPT_LIST_DEL.sh # exit=1 # selftests: lkdtm: STACK_GUARD_PAGE_LEADING.sh [ 69.139307] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING [ 69.146394] lkdtm: attempting bad read from page below current stack [ 69.153568] BUG: stack guard page was hit at 00000000270b5819 (stack is 00000000478e5891..000000003a661af4) [ 69.164504] kernel stack overflow (page fault): 0000 [#3] SMP PTI [ 69.171343] CPU: 2 PID: 1049 Comm: cat Tainted: G D W 5.10.126-cip11 #1 [ 69.180025] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 69.186675] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a [ 69.193222] Code: 41 5c c3 0f 1f 44 00 00 53 48 c7 c7 80 09 ac b9 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 31 a4 fd ff 48 c7 c7 c0 09 ac b9 <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 17 a4 fd ff 0f 1f 44 [ 69.214276] RSP: 0018:ffffad2e817dfe50 EFLAGS: 00010246 [ 69.220138] RAX: 0000000000000038 RBX: ffffad2e817dc000 RCX: 0000000000000000 [ 69.228139] RDX: 0000000000000000 RSI: ffff8dc97bd1bf70 RDI: ffffffffb9ac09c0 [ 69.236140] RBP: ffffffffb9ac00ea R08: 0000000000000000 R09: 0000000000000000 [ 69.244137] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019 [ 69.252139] R13: ffffad2e817dff10 R14: ffffad2e817dff10 R15: ffff8dc905ab7000 [ 69.260143] FS: 00007f4b3c349580(0000) GS:ffff8dc97bd00000(0000) knlGS:0000000000000000 [ 69.269215] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 69.275656] CR2: ffffad2e817dbfff CR3: 0000000104d8e000 CR4: 00000000003506e0 [ 69.283651] Call Trace: [ 69.286402] ? lkdtm_CORRUPT_LIST_DEL+0xdc/0xdc [ 69.291488] direct_entry.cold+0x2c/0x38 [ 69.295897] full_proxy_write+0x56/0x80 [ 69.300203] vfs_write+0xea/0x390 [ 69.303924] ksys_write+0x68/0xe0 [ 69.307646] do_syscall_64+0x33/0x40 [ 69.311659] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 69.317329] RIP: 0033:0x7f4b3c271f33 [ 69.321335] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 69.342379] RSP: 002b:00007fffbe3c4688 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 69.350867] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007f4b3c271f33 [ 69.358861] RDX: 0000000000000019 RSI: 00007f4b3c162000 RDI: 0000000000000001 [ 69.366862] RBP: 00007f4b3c162000 R08: 00007f4b3c161010 R09: 0000000000000000 [ 69.374862] R10: 00007f4b3c36c1c0 R11: 0000000000000246 R12: 0000000000000001 [ 69.382865] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 69.390873] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 69.406891] ---[ end trace 1a91beaac65af0c5 ]--- [ 69.412072] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 69.416469] Code: 56 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 15 70 02 [ 69.437517] RSP: 0018:ffffad2e812efe60 EFLAGS: 00010282 [ 69.443377] RAX: ffffffffb8ab1f70 RBX: 0000000000000001 RCX: 0000000000000000 [ 69.451375] RDX: 0000000000000000 RSI: ffff8dc97bc1bf70 RDI: ffffffffb96d9a70 [ 69.459375] RBP: ffffffffb9b1b490 R08: 0000000000000001 R09: 0000000000000001 [ 69.467375] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 69.475377] R13: ffffad2e812eff10 R14: ffffad2e812eff10 R15: ffff8dc904df2000 [ 69.483381] FS: 00007f4b3c349580(0000) GS:ffff8dc97bd00000(0000) knlGS:0000000000000000 [ 69.492451] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 69.498888] CR2: ffffad2e817dbfff CR3: 0000000104d8e000 CR4: 00000000003506e0 [ 69.506893] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 69.516843] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1049, name: cat [ 69.525329] INFO: lockdep is turned off. [ 69.529726] irq event stamp: 0 [ 69.533150] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 69.540178] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 69.549351] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 69.558516] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 69.565545] CPU: 2 PID: 1049 Comm: cat Tainted: G D W 5.10.126-cip11 #1 [ 69.574227] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 69.580862] Call Trace: [ 69.583612] dump_stack+0x77/0x97 [ 69.587332] ___might_sleep.cold+0xa6/0xb6 [ 69.591928] exit_signals+0x1c/0x2d0 [ 69.595937] do_exit+0xd5/0xb00 [ 69.599460] ? ksys_write+0x68/0xe0 [ 69.603367] rewind_stack_do_exit+0x17/0x20 [ 69.608059] RIP: 0033:0x7f4b3c271f33 [ 69.612066] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 69.633114] RSP: 002b:00007fffbe3c4688 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 69.641600] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007f4b3c271f33 [ 69.649598] RDX: 0000000000000019 RSI: 00007f4b3c162000 RDI: 0000000000000001 [ 69.657589] RBP: 00007f4b3c162000 R08: 00007f4b3c161010 R09: 0000000000000000 [ 69.665572] R10: 00007f4b3c36c1c0 R11: 0000000000000246 R12: 0000000000000001 [ 69.673564] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # Segmentation fault # [ 69.139307] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING # [ 69.146394] lkdtm: attempting bad read from page below current stack # [ 69.153568] BUG: stack guard page was hit at 00000000270b5819 (stack is 00000000478e5891..000000003a661af4) # [ 69.164504] kernel stack overflow (page fault): 0000 [#3] SMP PTI # [ 69.171343] CPU: 2 PID: 1049 Comm: cat Tainted: G D W 5.10.126-cip11 #1 # [ 69.180025] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 69.186675] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a # [ 69.193222] Code: 41 5c c3 0f 1f 44 00 00 53 48 c7 c7 80 09 ac b9 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 31 a4 fd ff 48 c7 c7 c0 09 ac b9 <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 17 a4 fd ff 0f 1f 44 # [ 69.214276] RSP: 0018:ffffad2e817dfe50 EFLAGS: 00010246 # [ 69.220138] RAX: 0000000000000038 RBX: ffffad2e817dc000 RCX: 0000000000000000 # [ 69.228139] RDX: 0000000000000000 RSI: ffff8dc97bd1bf70 RDI: ffffffffb9ac09c0 # [ 69.236140] RBP: ffffffffb9ac00ea R08: 0000000000000000 R09: 0000000000000000 # [ 69.244137] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019 # [ 69.252139] R13: ffffad2e817dff10 R14: ffffad2e817dff10 R15: ffff8dc905ab7000 # [ 69.260143] FS: 00007f4b3c349580(0000) GS:ffff8dc97bd00000(0000) knlGS:0000000000000000 # [ 69.269215] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 69.275656] CR2: ffffad2e817dbfff CR3: 0000000104d8e000 CR4: 00000000003506e0 # [ 69.283651] Call Trace: # [ 69.286402] ? lkdtm_CORRUPT_LIST_DEL+0xdc/0xdc # [ 69.291488] direct_entry.cold+0x2c/0x38 # [ 69.295897] full_proxy_write+0x56/0x80 # [ 69.300203] vfs_write+0xea/0x390 # [ 69.303924] ksys_write+0x68/0xe0 # [ 69.307646] do_syscall_64+0x33/0x40 # [ 69.311659] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 69.317329] RIP: 0033:0x7f4b3c271f33 # [ 69.321335] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 69.342379] RSP: 002b:00007fffbe3c4688 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 69.350867] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007f4b3c271f33 # [ 69.358861] RDX: 0000000000000019 RSI: 00007f4b3c162000 RDI: 0000000000000001 # [ 69.366862] RBP: 00007f4b3c162000 R08: 00007f4b3c161010 R09: 0000000000000000[ 69.963229] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING [ 69.971572] lkdtm: attempting bad read from page above current stack [ 69.978756] BUG: stack guard page was hit at 0000000028ad02da (stack is 00000000e3a17630..0000000070474f50) # [ 69.374862] R10: 00007f4b3c36c1c0 R11: 0000000000000246 R1[ 69.989678] kernel stack overflow (page fault): 0000 [#4] SMP PTI 2: 0000000000000001 # [ 69.382865] R13: 0000000000000001 R14:[ 70.002735] CPU: 2 PID: 1082 Comm: cat Tainted: G D W 5.10.126-cip11 #1 [ 70.017643] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 70.024289] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILING+0x27/0x3d 0000000000020000 R15: 0000000000020000 # [ 69.390873] Module[ 70.030930] Code: a4 fd ff 0f 1f 44 00 00 53 48 c7 c7 f8 09 ac b9 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 f7 a3 fd ff 48 c7 c7 38 0a ac b9 <8a> 83 00 40 00 00 88 44 24 07 0f b6 74 24 07 5a 5b e9 da a3 fd ff [ 70.058210] RSP: 0018:ffffad2e81877e50 EFLAGS: 00010246 [ 70.064070] RAX: 0000000000000038 RBX: ffffad2e81874000 RCX: 0000000000000000 [ 70.072069] RDX: 0000000000000000 RSI: ffff8dc97bd1bf70 RDI: ffffffffb9ac0a38 [ 70.080070] RBP: ffffffffb9ac0103 R08: 0000000000000000 R09: 0000000000000000 [ 70.088071] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001a [ 70.096074] R13: ffffad2e81877f10 R14: ffffad2e81877f10 R15: ffff8dc902984000 [ 70.104071] FS: 00007f2c93a99580(0000) GS:ffff8dc97bd00000(0000) knlGS:0000000000000000 [ 70.113146] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 70.119587] CR2: ffffad2e81878000 CR3: 00000001026c8000 CR4: 00000000003506e0 [ 70.127580] Call Trace: [ 70.130333] ? lkdtm_STACK_GUARD_PAGE_LEADING+0x3a/0x3a [ 70.136200] direct_entry.cold+0x2c/0x38 [ 70.140609] full_proxy_write+0x56/0x80 [ 70.144915] vfs_write+0xea/0x390 [ 70.148628] ksys_write+0x68/0xe0 [ 70.152348] do_syscall_64+0x33/0x40 [ 70.156359] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 70.162023] RIP: 0033:0x7f2c939c1f33 [ 70.166036] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 70.187085] RSP: 002b:00007ffd95910438 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 70.195575] RAX: ffffffffffffffda RBX: 000000000000001a RCX: 00007f2c939c1f33 [ 70.203575] RDX: 000000000000001a RSI: 00007f2c938b2000 RDI: 0000000000000001 [ 70.211575] RBP: 00007f2c938b2000 R08: 00007f2c938b1010 R09: 0000000000000000 [ 70.219574] R10: 00007f2c93abc1c0 R11: 0000000000000246 R12: 0000000000000001 [ 70.227571] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 70.235580] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 70.251608] ---[ end trace 1a91beaac65af0c6 ]--- [ 70.256789] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 70.261188] Code: 56 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 15 70 02 [ 70.282248] RSP: 0018:ffffad2e812efe60 EFLAGS: 00010282 [ 70.288106] RAX: ffffffffb8ab1f70 RBX: 0000000000000001 RCX: 0000000000000000 [ 70.296106] RDX: 0000000000000000 RSI: ffff8dc97bc1bf70 RDI: ffffffffb96d9a70 [ 70.304101] RBP: ffffffffb9b1b490 R08: 0000000000000001 R09: 0000000000000001 [ 70.312101] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 70.320101] R13: ffffad2e812eff10 R14: ffffad2e812eff10 R15: ffff8dc904df2000 [ 70.328096] FS: 00007f2c93a99580(0000) GS:ffff8dc97bd00000(0000) knlGS:0000000000000000 [ 70.337164] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 70.343604] CR2: ffffad2e81878000 CR3: 00000001026c8000 CR4: 00000000003506e0 s linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 69.406891] ---[ end trace 1a91beaac65af0c5 ]--- # [ 69.412072] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 69.416469] Code: 56 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 15 70 02 # [ 69.437517] RSP: 0018:ffffad2e812efe60 EFLAGS: 00010282 # [ 69.443377] RAX: ffffffffb8ab1f70 RBX: 0000000000000001 RCX: 0000000000000000 # [ 69.451375] RDX: 0000000000000000 RSI: ffff8dc97bc1bf70 RDI: ffffffffb96d9a70 # [ 69.459375] RBP: ffffffffb9b1b490 R08: 0000000000000001 R09: 0000000000000001 # [ 69.467375] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 69.475377] R13: ffffad2e812eff10 R14: ffffad2e812eff10 R15: ffff8dc904df2000 # [ 69.483381] FS: 00007f4b3c349580(0000) GS:ffff8dc97bd00000(0000) knlGS:0000000000000000 # [ 69.492451] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 69.498888] CR2: ffffad2e817dbfff CR3: 0000000104d8e000 CR4: 00000000003506e0 # [ 69.506893] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 69.516843] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1049, name: cat # [ 69.525329] INFO: lockdep is turned off. # [ 69.529726] irq event stamp: 0 # [ 69.533150] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 69.540178] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 69.549351] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 69.558516] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 69.565545] CPU: 2 PID: 1049 Comm: cat Tainted: G D W 5.10.126-cip11 #1 # [ 69.574227] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 69.580862] Call Trace: # [ 69.583612] dump_stack+0x77/0x97 # [ 69.587332] ___might_sleep.cold+0xa6/0xb6 # [ 69.591928] exit_signals+0x1c/0x2d0 # [ 69.595937] do_exit+0xd5/0xb00 # [ 69.599460] ? ksys_write+0x68/0xe0 # [ 69.603367] rewind_stack_do_exit+0x17/0x20 # [ 69.608059] RIP: 0033:0x7f4b3c271f33 # [ 69.612066] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 69.633114] RSP: 002b:00007fffbe3c4688 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 69.641600] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007f4b3c[ 70.613248] lkdtm: Performing direct entry UNSET_SMEP [ 70.619338] lkdtm: trying to clear SMEP normally [ 70.624541] ------------[ cut here ]------------ [ 70.629749] pinned CR4 bits changed: 0x100000!? 271f33 # [ 69.649598] RDX: 0000000000000019 RSI: 00007f4b3c16[ 70.634867] WARNING: CPU: 2 PID: 1118 at arch/x86/kernel/cpu/common.c:392 native_write_cr4+0x41/0x60 2000 RDI: 0000000000000001 # [ 69.657589] RBP: 00007f4b3c1620[ 70.651318] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 70.673574] CPU: 2 PID: 1118 Comm: cat Tainted: G D W 5.10.126-cip11 #1 [ 70.682277] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 70.688938] RIP: 0010:native_write_cr4+0x41/0x60 00 R08: 00007f4b3c161010 R09: 0000000000000000 # [ 69.665572][ 70.694138] Code: 08 31 00 48 39 c2 75 25 48 85 f6 75 01 c3 80 3d dc d8 c3 01 00 75 f6 48 c7 c7 f8 fb 9f b9 c6 05 cc d8 c3 01 01 e8 8b d7 e0 00 <0f> 0b c3 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09 c7 eb ac 66 [ 70.721481] RSP: 0018:ffffad2e818dfe48 EFLAGS: 00010286 R10: 00007f4b3c36c1c0 R11: 0000000000000246 R12: 00000000000000[ 70.727387] RAX: 0000000000000000 RBX: 00000000002506e0 RCX: 0000000000000000 [ 70.741627] RDX: ffff8dc97bd2c660 RSI: ffff8dc97bd1bf70 RDI: ffff8dc97bd1bf70 [ 70.749647] RBP: ffffffffb9ac011d R08: 0000000000000000 R09: 0000000000000000 [ 70.757666] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b [ 70.765683] R13: ffffad2e818dff10 R14: ffffad2e818dff10 R15: ffff8dc9027fa000 [ 70.773708] FS: 00007f500a8cc580(0000) GS:ffff8dc97bd00000(0000) knlGS:0000000000000000 [ 70.782800] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 70.789262] CR2: 00007f500a6e5000 CR3: 0000000104bf0000 CR4: 00000000003506e0 [ 70.797282] Call Trace: [ 70.800051] lkdtm_UNSET_SMEP.cold+0x1d/0x103 [ 70.804963] direct_entry.cold+0x2c/0x38 [ 70.809388] full_proxy_write+0x56/0x80 [ 70.813715] vfs_write+0xea/0x390 [ 70.817457] ksys_write+0x68/0xe0 [ 70.821200] do_syscall_64+0x33/0x40 [ 70.825232] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 70.830923] RIP: 0033:0x7f500a7f4f33 [ 70.834952] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 70.856031] RSP: 002b:00007ffff4d8ef08 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 70.864543] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f500a7f4f33 [ 70.872564] RDX: 000000000000000b RSI: 00007f500a6e5000 RDI: 0000000000000001 [ 70.880573] RBP: 00007f500a6e5000 R08: 00007f500a6e4010 R09: 0000000000000000 [ 70.888582] R10: 00007f500a8ef1c0 R11: 0000000000000246 R12: 0000000000000001 [ 70.896597] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 70.904625] irq event stamp: 0 [ 70.908068] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 70.915118] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 70.924318] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 01 # [ 69.673564] R13: 0000000000000001 R14: 0000000000020000[ 70.933512] softirqs last disabled at (0): [<0000000000000000>] 0x0 R15: 0000000000020000 # STACK_GUARD_PAGE_LEADING: saw 'call tr[ 70.946763] ---[ end trace 1a91beaac65af0c7 ]--- [ 70.958173] lkdtm: ok: SMEP did not get cleared [ 70.963272] lkdtm: trying to clear SMEP with call gadget [ 70.969242] lkdtm: ok: SMEP removal was reverted ace:': ok ok 12 selftests: lkdtm: STACK_GUARD_PAGE_LEADING.sh # selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh # Segmentation fault # [ 69.963229] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING # [ 69.971572] lkdtm: attempting bad read from page above current stack # [ 69.978756] BUG: stack guard page was hit at 0000000028ad02da (stack is 00000000e3a17630..0000000070474f50) # [ 69.989678] kernel stack overflow (page fault): 0000 [#4] SMP PTI # [ 70.002735] CPU: 2 PID: 1082 Comm: cat Tainted: G D W 5.10.126-cip11 #1 # [ 70.017643] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 70.024289] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILING+0x27/0x3d # [ 70.030930] Code: a4 fd ff 0f 1f 44 00 00 53 48 c7 c7 f8 09 ac b9 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 f7 a3 fd ff 48 c7 c7 38 0a ac b9 <8a> 83 00 40 00 00 88 44 24 07 0f b6 74 24 07 5a 5b e9 da a3 fd ff # [ 70.058210] RSP: 0018:ffffad2e81877e50 EFLAGS: 00010246 # [ 70.064070] RAX: 0000000000000038 RBX: ffffad2e81874000 RCX: 0000000000000000 # [ 70.072069] RDX: 0000000000000000 RSI: ffff8dc97bd1bf70 RDI: ffffffffb9ac0a38 # [ 70.080070] RBP: ffffffffb9ac0103 R08: 0000000000000000 R09: 0000000000000000 # [ 70.088071] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001a # [ 70.096074] R13: ffffad2e81877f10 R14: ffffad2e81877f10 R15: ffff8dc902984000 # [ 70.104071] FS: 00007f2c93a99580(0000) GS:ffff8dc97bd00000(0000) knlGS:0000000000000000 # [ 70.113146] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 70.119587] CR2: ffffad2e81878000 CR3: 00000001026c8000 CR4: 00000000003506e0 # [ 70.127580] Call Trace: # [ 70.130333] ? lkdtm_STACK_GUARD_PAGE_LEADING+0x3a/0x3a # [ 70.136200] direct_entry.cold+0x2c/0x38 # [ 70.140609] full_proxy_write+0x56/0x80 # [ 70.144915] vfs_write+0xea/0x390 # [ 70.148628] ksys_write+0x68/0xe0 # [ 70.152348] do_syscall_64+0x33/0x40 # [ 70.156359] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 70.162023] RIP: 0033:0x7f2c939c1f33 # [ 70.166036] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 70.187085] RSP: 002b:00007ffd95910438 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 70.195575] RAX: ffffffffffffffda RBX: 000000000000001a RCX: 00007f2c939c1f33 # [ 70.203575] RDX: 000000000000001a RSI: 00007f2c938b2000 RDI: 0000000000000001 # [ 70.211575] RBP: 00007f2c938b2000 R08: 00007f2c938b1010 R09: 0000000000000000 # [ [ 71.226197] lkdtm: Performing direct entry DOUBLE_FAULT [ 71.235763] lkdtm: XFAIL: this test is ia32-only 70.219574] R10: 00007f2c93abc1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 70.227571] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 70.235580] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 70.251608] ---[ end trace 1a91beaac65af0c6 ]--- # [ 70.256789] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 70.261188] Code: 56 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 15 70 02 # [ 70.282248] RSP: 0018:ffffad2e812efe60 EFLAGS: 00010282 # [ 70.288106] RAX: ffffffffb8ab1f70 RBX: 0000000000000001 RCX: 0000000000000000 # [ 70.296106] RDX: 0000000000000000 RSI: ffff8dc97bc1bf70 RDI: ffffffffb96d9a70 # [ 70.304101] RBP: ffffffffb9b1b490 R08: 0000000000000001 R09: 0000000000000001 # [ 70.312101] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 70.320101] R13: ffffad2e812eff10 R14: ffffad2e812eff10 R15: ffff8dc904df2000 # [ 70.328096] FS: 00007f2c93a99580(0000) GS:ffff8dc97bd00000(0000) knlGS:0000000000000000 # [ 70.337164] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 70.343604] CR2: ffffad2e81878000 CR3: 00000001026c8000 CR4: 00000000003506e0 # STACK_GUARD_PAGE_TRAILING: saw 'call trace:': ok ok 13 selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh # selftests: lkdtm: UNSET_SMEP.sh # [ 70.613248] lkdtm: Performing direct entry UNSET_SMEP # [ 70.619338] lkdtm: trying to clear SMEP normally # [ 70.624541] ------------[ cut here ]------------ # [ 70.629749] pinned CR4 bits changed: 0x100000!? # [ 70.634867] WARNING: CPU: 2 PID: 1118 at arch/x86/kernel/cpu/common.c:392 native_write_cr4+0x41/0x60 # [ 70.651318] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 70.673574] CPU: 2 PID: 1118 Comm: cat Tainted: G D W 5.10.126-cip11 #1 # [ 70.682277] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 70.688938] RIP: 0010:native_write_cr4+0x41/0x60 # [ 70.694138] Code: 08 31 00 48 39 c2 75 25 48 85 f6 75 01 c3 80 3d dc d8 c3 01 00 75 f6 48 c7 c7 f8 fb 9f b9 c6 05 cc d8 c3 01 01 e8 8b d7 e0 00 <0f> 0b c3 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09 c7 eb ac 66 # [ 70.721481] RSP: 0018:ffffad2e818dfe48 EFLAGS: 00010286 # [ 70.727387] RAX: 0000000000000000 RBX: 000[ 71.489209] lkdtm: Performing direct entry CORRUPT_PAC [ 71.495951] lkdtm: XFAIL: this test is arm64-only 00000002506e0 RCX: 0000000000000000 # [ 70.741627] RDX: ffff8dc97bd2c660 RSI: ffff8dc97bd1bf70 RDI: ffff8dc97bd1bf70 # [ 70.749647] RBP: ffffffffb9ac011d R08: 0000000000000000 R09: 0000000000000000 # [ 70.757666] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b # [ 70.765683] R13: ffffad2e818dff10 R14: ffffad2e818dff10 R15: ffff8dc9027fa000 # [ 70.773708] FS: 00007f500a8cc580(0000) GS:ffff8dc97bd00000(0000) knlGS:0000000000000000 # [ 70.782800] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 70.789262] CR2: 00007f500a6e5000 CR3: 0000000104bf0000 CR4: 00000000003506e0 # [ 70.797282] Call Trace: # [ 70.800051] lkdtm_UNSET_SMEP.cold+0x1d/0x103 # [ 70.804963] direct_entry.cold+0x2c/0x38 # [ 70.809388] full_proxy_write+0x56/0x80 # [ 70.813715] vfs_write+0xea/0x390 # [ 70.817457] ksys_write+0x68/0xe0 # [ 70.821200] do_syscall_64+0x33/0x40 # [ 70.825232] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 70.830923] RIP: 0033:0x7f500a7f4f33 # [ 70.834952] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 70.856031] RSP: 002b:00007ffff4d8ef08 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 70.864543] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f500a7f4f33 # [ 70.872564] RDX: 000000000000000b RSI: 00007f500a6e5000 RDI: 0000000000000001 # [ 70.880573] RBP: 00007f500a6e5000 R08: 00007f500a6e4010 R09: 0000000000000000 # [ 70.888582] R10: 00007f500a8ef1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 70.896597] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 70.904625] irq event stamp: 0 # [ 70.908068] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 70.915118] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 70.924318] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 70.933512] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 70.946763] ---[ end trace 1a91beaac65af0c7 ]--- # [ 70.958173] lkdtm: ok: SMEP did not get cleared # [ 70.963272] lkdtm: trying to clear SMEP with call gadget # [ 70.969242] lkdtm: ok: SMEP removal was reverted # UNSET_SMEP: saw 'pinned CR4 bits changed:': ok ok 14 selftests: lkdtm: UNSET_SMEP.sh # selftests: lkdtm: DOUBLE_FAULT.sh # [ 71.226197] lkdtm: Performing direct entry DOUBLE_FAULT # [ 71.235763] lkd[ 71.747216] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE [ 71.757866] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS tm: XFAIL: this test is ia32-only # DOUBLE_FAULT: saw 'XFAIL': [SKIP] ok 15 selftests: lkdtm: DOUBLE_FAULT.sh # SKIP # selftests: lkdtm: CORRUPT_PAC.sh # [ 71.489209] lkdtm: Performing direct entry CORRUPT_PAC # [ 71.495951] lkdtm: XFAIL: this test is arm64-only # CORRUPT_PAC: saw 'XFAIL': [SKIP] ok 16 selftests: lkdtm: CORRUPT_PAC.sh # SKIP # selftests: lkdtm: UNALIGNED_LOAD_STORE_WRITE.sh # [ 71.747216] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE # [ 71.757866] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS # UNALIGNED_LOAD_STORE_WRITE: saw 'XFAIL': [SKIP] ok 17 selftests: lkdtm: UNALIGNED_LOAD_STORE_WRITE.sh # SKIP # selftests: lkdtm: OVERWRITE_ALLOCATION.sh # Skipping OVERWRITE_ALLOCATION: Corrupts memory on failure ok 18 selftests: lkdtm: OVERWRITE_ALLOCATION.sh # SKIP # selftests: lkdtm: WRITE_AFTER_FREE.sh # Skipping WRITE_AFTER_FREE: Corrupts memory on failure ok 19 selftests: lkdtm: WRITE_AFTER_FREE.sh # SKIP # selftests: lkdtm: READ_AFTER_FREE.sh [ 72.273243] lkdtm: Performing direct entry READ_AFTER_FREE [ 72.279443] lkdtm: Value in memory before free: 12345678 [ 72.285423] lkdtm: Attempting bad read from freed memory [ 72.291423] lkdtm: Memory was not poisoned # [ 72.273243] lkdtm: Performing direct entry READ_AFTER_FREE # [ 72.279443] lkdtm: Value in memory before free: 12345678 # [ 72.285423] lkdtm: Attempting bad read from freed memory # [ 72.291423] lkdtm: Memory was not poisoned # READ_AFTER_FREE: missing 'call trace:': [FAIL] not ok 20 selftests: lkdtm: READ_AFTER_FREE.sh # exit=1 # selftests: lkdtm: WRITE_BUDDY_AFTER_FREE.sh # Skipping WRITE_BUDDY_AFTER_FREE: Corrupts memory on failure ok 21 selftests: lkdtm: WRITE_BUDDY_AFTER_FREE.sh # SKIP # selftests: lkdtm: READ_BUDDY_AFTER_FREE.sh [ 72.680267] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE [ 72.687057] lkdtm: Value in memory before free: 12345678 [ 72.693041] lkdtm: Attempting to read from freed memory [ 72.698916] lkdtm: Buddy page was not poisoned # [ 72.680267] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE # [ 72.687057] lkdtm: Value in memory before free: 12345678 # [ 72.693041] lkdtm: Attempting to read from freed memory # [ 72.698916] lkdtm: Buddy page was not poisoned # READ_BUDDY_AFTER_FREE: missing 'call trace:': [FAIL] not ok 22 selftests: lkdtm: READ_BUDDY_AFTER_FREE.sh # exit=1 # selftests: lkdtm: SLAB_FREE_DOUBLE.sh [ 72.951215] lkdtm: Performing direct entry SLAB_FREE_DOUBLE [ 72.957488] lkdtm: Attempting double slab free ... # [ 72.951215] lkdtm: Performing direct entry SLAB_FREE_DOUBLE # [ 72.957488] lkdtm: Attempting double slab free ... # SLAB_FREE_DOUBLE: missing 'call trace:': [FAIL] not ok 23 selftests: lkdtm: SLAB_FREE_DOUBLE.sh # exit=1 # selftests: lkdtm: SLAB_FREE_CROSS.sh [ 73.212469] lkdtm: Performing direct entry SLAB_FREE_CROSS [ 73.218674] lkdtm: Attempting cross-cache slab free ... # [ 73.212469] lkdtm: Performing direct entry SLAB_FREE_CROSS # [ 73.218674] lkdtm: Attempting cross-cache slab free ... # SLAB_FREE_CROSS: missing 'call trace:': [FAIL] not ok 24 selftests: lkdtm: SLAB_FREE_CROSS.sh # exit=1 # selftests: lkdtm: SLAB_FREE_PAGE.sh [ 73.469246] lkdtm: Performing direct entry SLAB_FREE_PAGE [ 73.475331] lkdtm: Attempting non-Slab slab free ... # [ 73.469246] lkdtm: Performing direct entry SLAB_FREE_PAGE # [ 73.475331] lkdtm: Attempting non-Slab slab free ... # SLAB_FREE_PAGE: missing 'call trace:': [FAIL] not ok 25 selftests: lkdtm: SLAB_FREE_PAGE.sh # exit=1 # selftests: lkdtm: SOFTLOCKUP.sh # Skipping SOFTLOCKUP: Hangs the system ok 26 selftests: lkdtm: SOFTLOCKUP.sh # SKIP # selftests: lkdtm: HARDLOCKUP.sh # Skipping HARDLOCKUP: Hangs the system ok 27 selftests: lkdtm: HARDLOCKUP.sh # SKIP # selftests: lkdtm: SPINLOCKUP.sh # Skipping SPINLOCKUP: Hangs the system ok 28 selftests: lkdtm: SPINLOCKUP.sh # SKIP # selftests: lkdtm: HUNG_TASK.sh # Skipping HUNG_TASK: Hangs the system ok 29 selftests: lkdtm: HUNG_TASK.sh # SKIP # selftests: lkdtm: EXEC_DATA.sh [ 74.243392] lkdtm: Performing direct entry EXEC_DATA [ 74.249018] lkdtm: attempting ok execution at ffffffffb8ab2340 [ 74.255590] lkdtm: attempting bad execution at ffffffffbb1b3560 [ 74.262270] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 74.270650] BUG: unable to handle page fault for address: ffffffffbb1b3560 [ 74.278360] #PF: supervisor instruction fetch in kernel mode [ 74.284702] #PF: error_code(0x0011) - permissions violation [ 74.290951] PGD 77829067 P4D 77829067 PUD 7782a063 PMD 8000000078c000e3 [ 74.298481] Oops: 0011 [#5] SMP PTI [ 74.302397] CPU: 1 PID: 1625 Comm: cat Tainted: G D W 5.10.126-cip11 #1 [ 74.311078] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 74.317727] RIP: 0010:data_area+0x0/0x40 [ 74.322126] Code: ff ff 00 34 25 00 c9 8d ff ff 00 33 25 00 c9 8d ff ff 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 <0f> 1f 44 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 55 [ 74.343182] RSP: 0018:ffffad2e82067e48 EFLAGS: 00010246 [ 74.349041] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 74.357040] RDX: 0000000000000000 RSI: ffff8dc97bc9bf70 RDI: ffff8dc97bc9bf70 [ 74.365037] RBP: ffffffffbb1b3560 R08: 0000000000000000 R09: 0000000000000000 [ 74.373036] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a [ 74.381033] R13: ffffad2e82067f10 R14: ffffad2e82067f10 R15: ffff8dc905aa5000 [ 74.389032] FS: 00007f43dc658580(0000) GS:ffff8dc97bc80000(0000) knlGS:0000000000000000 [ 74.398107] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 74.404550] CR2: ffffffffbb1b3560 CR3: 00000001027e4000 CR4: 00000000003506e0 [ 74.412548] Call Trace: [ 74.415303] ? execute_location+0x48/0x56 [ 74.419803] ? direct_entry.cold+0x2c/0x38 [ 74.424405] ? full_proxy_write+0x56/0x80 [ 74.428905] ? vfs_write+0xea/0x390 [ 74.432814] ? ksys_write+0x68/0xe0 [ 74.436725] ? do_syscall_64+0x33/0x40 [ 74.440931] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 74.446797] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 74.462817] CR2: ffffffffbb1b3560 [ 74.466521] ---[ end trace 1a91beaac65af0c8 ]--- [ 74.471688] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 74.476069] Code: 56 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 15 70 02 [ 74.497107] RSP: 0018:ffffad2e812efe60 EFLAGS: 00010282 [ 74.502960] RAX: ffffffffb8ab1f70 RBX: 0000000000000001 RCX: 0000000000000000 [ 74.510960] RDX: 0000000000000000 RSI: ffff8dc97bc1bf70 RDI: ffffffffb96d9a70 [ 74.518957] RBP: ffffffffb9b1b490 R08: 0000000000000001 R09: 0000000000000001 [ 74.526952] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 74.534946] R13: ffffad2e812eff10 R14: ffffad2e812eff10 R15: ffff8dc904df2000 [ 74.542941] FS: 00007f43dc658580(0000) GS:ffff8dc97bc80000(0000) knlGS:0000000000000000 [ 74.552009] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 74.558449] CR2: ffffffffbb1b3560 CR3: 00000001027e4000 CR4: 00000000003506e0 [ 74.566452] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 74.576397] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1625, name: cat [ 74.584884] INFO: lockdep is turned off. [ 74.589272] irq event stamp: 0 [ 74.592691] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 74.599722] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 74.608885] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 74.618047] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 74.625068] CPU: 1 PID: 1625 Comm: cat Tainted: G D W 5.10.126-cip11 #1 [ 74.633743] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 74.640380] Call Trace: [ 74.643131] dump_stack+0x77/0x97 [ 74.646844] ___might_sleep.cold+0xa6/0xb6 [ 74.651439] exit_signals+0x1c/0x2d0 [ 74.655443] do_exit+0xd5/0xb00 [ 74.658958] ? ksys_write+0x68/0xe0 [ 74.662870] rewind_stack_do_exit+0x17/0x20 [ 74.667557] RIP: 0033:0x7f43dc580f33 [ 74.671567] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 74.692619] RSP: 002b:00007ffe11215da8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 74.701112] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f43dc580f33 [ 74.709106] RDX: 000000000000000a RSI: 00007f43dc471000 RDI: 0000000000000001 [ 74.717107] RBP: 00007f43dc471000 R08: 00007f43dc470010 R09: 0000000000000000 [ 74.725103] R10: 00007f43dc67b1c0 R11: 0000000000000246 R12: 0000000000000001 [ 74.733102] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # Killed # [ 74.243392] lkdtm: Performing direct entry EXEC_DATA # [ 74.249018] lkdtm: attempting ok execution at ffffffffb8ab2340 # [ 74.255590] lkdtm: attempting bad execution at ffffffffbb1b3560 # [ 74.262270] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 74.270650] BUG: unable to handle page fault for address: ffffffffbb1b3560 # [ 74.278360] #PF: supervisor instruction fetch in kernel mode # [ 74.284702] #PF: error_code(0x0011) - permissions violation # [ 74.290951] PGD 77829067 P4D 77829067 PUD 7782a063 PMD 8000000078c000e3 # [ 74.298481] Oops: 0011 [#5] SMP PTI # [ 74.302397] CPU: 1 PID: 1625 Comm: cat Tainted: G D W 5.10.126-cip11 #1 # [ 74.311078] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 74.317727] RIP: 0010:data_area+0x0/0x40 # [ 74.322126] Code: ff ff 00 34 25 00 c9 8d ff ff 00 33 25 00 c9 8d ff ff 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 <0f> 1f 44 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 55 # [ 74.343182] RSP: 0018:ffffad2e82067e48 EFLAGS: 00010246 # [ 74.349041] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 74.357040] RDX: 0000000000000000 RSI: ffff8dc97bc9bf70 RDI: ffff8dc97bc9bf70 # [ 74.365037] RBP: ffffffffbb1b3560 R08: 0000000000000000 R09: 0000000000000000 # [ 74.373036] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 74.381033] R13: ffffad2e82067f10 R14: ffffad2e82067f10 R15: ffff8dc905aa5000 # [ 74.389032] FS: 00007f43dc658580(0000) GS:ffff8dc97bc80000(0000) knlGS:0000000000000000 # [ 74.398107] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 74.404550] CR2: ffffffffbb1b3560 CR3: 00000001027e4000 CR4: 00000000003506e0 # [ 74.412548] Call Trace: # [ 74.415303] ? execute_location+0x48/0x56 # [ 74.419803] ? direct_entry.cold+0x2c/0x38 # [ 74.424405] ? full_proxy_write+0x56/0x80 # [ 74.428905] ? vfs_write+0xea/0x390 # [ 74.432814] ? ksys_write+0x68/0xe0 # [ 74.436725] ? do_syscall_64+0x33/0x40 # [ 74.440931] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 74.446797] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 74.462817] CR2: ffffffffbb1b3560 # [ 74.466521] ---[ end trace 1a91beaac65af0c8 ]--- # [ 74.471688] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 74.476069] Code: 56 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 15 70 02 # [ 74.497107] RSP: 0018:ffffad2e812efe60 EFLAGS: 00010282 # [ 74.502960] RAX: ffffffffb8ab1f70 RBX: 0000000000000001 RCX: 0000000000000000 # [ 74.510960] RDX: 0000000000000000 RSI: ffff8dc97bc1bf70 RDI: ffffffffb9[ 75.072739] lkdtm: Performing direct entry EXEC_STACK 6d9a70 # [ 74.518957] RBP: ffffffffb9b1b490 R08: 000000000000[ 75.082259] lkdtm: attempting ok execution at ffffffffb8ab2340 0001 R09: 0000000000000001 # [ 74.526952] R10: 00000000ffffe0[ 75.095000] lkdtm: attempting bad execution at ffffad2e820c7e18 00 R11: 3fffffffffffffff R12: 0000000000000004 # [ 74.534946][ 75.107876] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 75.122455] BUG: unable to handle page fault for address: ffffad2e820c7e18 [ 75.130152] #PF: supervisor instruction fetch in kernel mode [ 75.136489] #PF: error_code(0x0011) - permissions violation [ 75.142728] PGD 100000067 P4D 100000067 PUD 100210067 PMD 1032b4067 PTE 8000000104dda063 [ 75.151807] Oops: 0011 [#6] SMP PTI [ 75.155714] CPU: 3 PID: 1661 Comm: cat Tainted: G D W 5.10.126-cip11 #1 [ 75.164384] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 75.171019] RIP: 0010:0xffffad2e820c7e18 [ 75.175407] Code: 00 00 18 7e 0c 82 2e ad ff ff b3 8d 0f b9 ff ff ff ff 20 00 00 00 00 00 00 00 46 02 ac b9 ff ff ff ff df 8e 0f b9 ff ff ff ff <0f> 1f 44 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 55 [ 75.196446] RSP: 0018:ffffad2e820c7df8 EFLAGS: 00010246 [ 75.202307] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 75.210300] RDX: 0000000000000000 RSI: ffff8dc97bd9bf70 RDI: ffff8dc97bd9bf70 [ 75.218290] RBP: ffffad2e820c7e18 R08: 0000000000000000 R09: 0000000000000000 [ 75.226270] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b [ 75.234254] R13: ffffad2e820c7f10 R14: ffffad2e820c7f10 R15: ffff8dc9049f2000 [ 75.242238] FS: 00007fafceee0580(0000) GS:ffff8dc97bd80000(0000) knlGS:0000000000000000 [ 75.251291] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 75.257714] CR2: ffffad2e820c7e18 CR3: 0000000103fa2000 CR4: 00000000003506e0 [ 75.265708] Call Trace: [ 75.268462] ? execute_location+0x48/0x56 [ 75.272951] ? lkdtm_EXEC_STACK+0x26/0x40 [ 75.277430] ? direct_entry.cold+0x2c/0x38 [ 75.282017] ? full_proxy_write+0x56/0x80 [ 75.286503] ? vfs_write+0xea/0x390 [ 75.290409] ? ksys_write+0x68/0xe0 [ 75.294302] ? do_syscall_64+0x33/0x40 [ 75.298496] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 75.304347] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 75.320329] CR2: ffffad2e820c7e18 [ 75.324036] ---[ end trace 1a91beaac65af0c9 ]--- [ 75.329194] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 75.333587] Code: 56 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 15 70 02 [ 75.354612] RSP: 0018:ffffad2e812efe60 EFLAGS: 00010282 [ 75.360469] RAX: ffffffffb8ab1f70 RBX: 0000000000000001 RCX: 0000000000000000 [ 75.368463] RDX: 0000000000000000 RSI: ffff8dc97bc1bf70 RDI: ffffffffb96d9a70 [ 75.376448] RBP: ffffffffb9b1b490 R08: 0000000000000001 R09: 0000000000000001 [ 75.384441] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 75.392430] R13: ffffad2e812eff10 R14: ffffad2e812eff10 R15: ffff8dc904df2000 [ 75.400422] FS: 00007fafceee0580(0000) GS:ffff8dc97bd80000(0000) knlGS:0000000000000000 [ 75.409484] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 75.415922] CR2: ffffad2e820c7e18 CR3: 0000000103fa2000 CR4: 00000000003506e0 R13: ffffad2e812eff10 R14: ffffad2e812eff10 R15: ffff8dc904df2000 # [ 74.542941] FS: 00007f43dc658580(0000) GS:ffff8dc97bc80000(0000) knlGS:0000000000000000 # [ 74.552009] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 74.558449] CR2: ffffffffbb1b3560 CR3: 00000001027e4000 CR4: 00000000003506e0 # [ 74.566452] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 74.576397] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1625, name: cat # [ 74.584884] INFO: lockdep is turned off. # [ 74.589272] irq event stamp: 0 # [ 74.592691] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 74.599722] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 74.608885] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 74.618047] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 74.625068] CPU: 1 PID: 1625 Comm: cat Tainted: G D W 5.10.126-cip11 #1 # [ 74.633743] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 74.640380] Call Trace: # [ 74.643131] dump_stack+0x77/0x97 # [ 74.646844] ___might_sleep.cold+0xa6/0xb6 # [ 74.651439] exit_signals+0x1c/0x2d0 # [ 74.655443] do_exit+0xd5/0xb00 # [ 74.658958] ? ksys_write+0x68/0xe0 # [ 74.662870] rewind_stack_do_exit+0x17/0x20 # [ 74.667557] RIP: 0033:0x7f43dc580f33 # [ 74.671567] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 74.692619] RSP: 002b:00007ffe11215da8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 74.701112] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f43dc580f33 # [ 74.709106] RDX: 000000000000000a RSI: 00007f43dc471000 RDI: 0000000000000001 # [ 74.717107] RBP: 00007f43dc471000 R08: 00007f43dc470010 R09: 0000000000000000 # [ 74.725103] R10: 00007f43dc67b1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 74.733102] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # EXEC_DATA: saw 'call trace:': ok ok 30 selftests: lkdtm: EXEC_DATA.sh # selftests: lkdtm: EXEC_STACK.sh # Killed # [ 75.072739] lkdtm: Performing direct entry EXEC_STACK # [ 75.082259] lkdtm: attempting ok execution at ffffffffb8ab2340 # [ 75.095000] lkdtm: attempting bad execution at ffffad2e820c7e18 # [ 75.107876] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 75.122455] BUG: unable to handle page fault for address: ffffad2e820c7e18 # [ 75.130152] #PF: supervisor instruction fetch in kernel mode # [ 75.136489] #PF: error_code(0x0011) - permissions violation # [ 75.142728] PGD 100000067 P4D 100000067 PUD 100210067 PMD 1032b4067 PTE 8000000104dda063 # [ 75.151807] Oops: 0011 [#6] SMP PTI # [ 75.155714] CPU: 3 PID: 1661 Comm: cat Tainted: G D W 5.10.126-cip11 #1 # [ 75.164384] Hardware name: Google Coral/Coral, BIOS 09/29/2020[ 75.721366] lkdtm: Performing direct entry EXEC_KMALLOC [ 75.728928] lkdtm: attempting ok execution at ffffffffb8ab2340 [ 75.735493] lkdtm: attempting bad execution at ffff8dc9034a1f80 #[ [ 75.171019] RIP: 0010:0xffffad2e820c7e18 # [ 75.175407] 75.742175] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 75.756798] BUG: unable to handle page fault for address: ffff8dc9034a1f80 [ 75.764508] #PF: supervisor instruction fetch in kernel mode [ 75.770852] #PF: error_code(0x0011) - permissions violation [ 75.777098] PGD 78e01067 P4D 78e01067 PUD 10089d063 PMD 104fde063 PTE 80000001034a1163 [ 75.785992] Oops: 0011 [#7] SMP PTI [ 75.789905] CPU: 2 PID: 1697 Comm: cat Tainted: G D W 5.10.126-cip11 #1 [ 75.798579] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 75.805224] RIP: 0010:0xffff8dc9034a1f80 [ 75.809624] Code: ff ff 40 b2 5c 03 c9 8d ff ff 80 b2 5c 03 c9 8d ff ff 00 00 00 00 00 00 00 00 00 00 00 00 40 00 38 00 09 00 40 00 18 00 17 00 <0f> 1f 44 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 55 [ 75.830677] RSP: 0018:ffffad2e8217fe38 EFLAGS: 00010246 [ 75.836537] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 75.844537] RDX: 0000000000000000 RSI: ffff8dc97bd1bf70 RDI: ffff8dc97bd1bf70 [ 75.852538] RBP: ffff8dc9034a1f80 R08: 0000000000000000 R09: 0000000000000000 [ 75.860540] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d [ 75.868540] R13: ffffad2e8217ff10 R14: ffffad2e8217ff10 R15: ffff8dc903f10000 [ 75.876534] FS: 00007f8b541d1580(0000) GS:ffff8dc97bd00000(0000) knlGS:0000000000000000 [ 75.885602] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 75.892037] CR2: ffff8dc9034a1f80 CR3: 0000000102960000 CR4: 00000000003506e0 [ 75.900033] Call Trace: [ 75.902790] ? execute_location+0x48/0x56 [ 75.907290] ? lkdtm_EXEC_KMALLOC+0x2c/0x40 [ 75.911983] ? direct_entry.cold+0x2c/0x38 [ 75.916583] ? full_proxy_write+0x56/0x80 [ 75.921079] ? vfs_write+0xea/0x390 [ 75.924983] ? ksys_write+0x68/0xe0 [ 75.928889] ? do_syscall_64+0x33/0x40 [ 75.933093] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 75.938951] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 75.954972] CR2: ffff8dc9034a1f80 [ 75.958691] ---[ end trace 1a91beaac65af0ca ]--- [ 75.963870] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 75.968266] Code: 56 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 15 70 02 [ 75.989326] RSP: 0018:ffffad2e812efe60 EFLAGS: 00010282 [ 75.995181] RAX: ffffffffb8ab1f70 RBX: 0000000000000001 RCX: 0000000000000000 [ 76.003184] RDX: 0000000000000000 RSI: ffff8dc97bc1bf70 RDI: ffffffffb96d9a70 [ 76.011184] RBP: ffffffffb9b1b490 R08: 0000000000000001 R09: 0000000000000001 [ 76.019183] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 76.027184] R13: ffffad2e812eff10 R14: ffffad2e812eff10 R15: ffff8dc904df2000 [ 76.035175] FS: 00007f8b541d1580(0000) GS:ffff8dc97bd00000(0000) knlGS:0000000000000000 [ 76.044247] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 76.050689] CR2: ffff8dc9034a1f80 CR3: 0000000102960000 CR4: 00000000003506e0 [ 76.058689] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 76.068638] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1697, name: cat [ 76.077121] INFO: lockdep is turned off. [ 76.081511] irq event stamp: 0 [ 76.084931] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 76.091960] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 76.101131] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 Code: 00 00 18 7e 0c 82 2e ad ff ff b3 8d 0f b9 ff ff ff ff 20 [ 76.110285] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 76.123528] CPU: 2 PID: 1697 Comm: cat Tainted: G D W 5.10.126-cip11 #1 [ 76.132202] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 76.138828] Call Trace: [ 76.141577] dump_stack+0x77/0x97 [ 76.145299] ___might_sleep.cold+0xa6/0xb6 [ 76.149891] exit_signals+0x1c/0x2d0 [ 76.153902] do_exit+0xd5/0xb00 [ 76.157421] ? ksys_write+0x68/0xe0 [ 76.161331] rewind_stack_do_exit+0x17/0x20 [ 76.166020] RIP: 0033:0x7f8b540f9f33 [ 76.170029] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 76.191076] RSP: 002b:00007ffe2f744bd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 76.199552] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007f8b540f9f33 [ 76.207538] RDX: 000000000000000d RSI: 00007f8b53fea000 RDI: 0000000000000001 [ 76.215523] RBP: 00007f8b53fea000 R08: 00007f8b53fe9010 R09: 0000000000000000 [ 76.223504] R10: 00007f8b541f41c0 R11: 0000000000000246 R12: 0000000000000001 [ 76.231490] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 00 00 00 00 00 00 00 46 02 ac b9 ff ff ff ff df 8e 0f b9 ff ff ff ff <0f> 1f 44 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 55 # [ 75.196446] RSP: 0018:ffffad2e820c7df8 EFLAGS: 00010246 # [ 75.202307] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 75.210300] RDX: 0000000000000000 RSI: ffff8dc97bd9bf70 RDI: ffff8dc97bd9bf70 # [ 75.218290] RBP: ffffad2e820c7e18 R08: 0000000000000000 R09: 0000000000000000 # [ 75.226270] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b # [ 75.234254] R13: ffffad2e820c7f10 R14: ffffad2e820c7f10 R15: ffff8dc9049f2000 # [ 75.242238] FS: 00007fafceee0580(0000) GS:ffff8dc97bd80000(0000) knlGS:0000000000000000 # [ 75.251291] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 75.257714] CR2: ffffad2e820c7e18 CR3: 0000000103fa2000 CR4: 00000000003506e0 # [ 75.265708] Call Trace: # [ 75.268462] ? execute_location+0x48/0x56 # [ 75.272951] ? lkdtm_EXEC_STACK+0x26/0x40 # [ 75.277430] ? direct_entry.cold+0x2c/0x38 # [ 75.282017] ? full_proxy_write+0x56/0x80 # [ 75.286503] ? vfs_write+0xea/0x390 # [ 75.290409] ? ksys_write+0x68/0xe0 # [ 75.294302] ? do_syscall_64+0x33/0x40 # [ 75.298496] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 75.304347] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 75.320329] CR2: ffffad2e820c7e18 # [ 75.324036] ---[ end trace 1a91beaac65af0c9 ]--- # [ 75.329194] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 75.333587] Code: 56 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 15 70 02 # [ 75.354612] RSP: 0018:ffffad2e812efe60 EFLAGS: 00010282 # [ 75.360469] RAX: ffffffffb8ab1f70 RBX: 0000000000000001 RCX: 0000000000000000 # [ 75.368463] RDX: 0000000000000000 RSI: ffff8dc97bc1bf70 RDI: ffffffffb96d9a70 # [ 75.376448] RBP: ffffffffb9b1b490 R08: 0000000000000001 R09: 0000000000000001 # [ 75.384441] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 75.392430] R13: ffffad2e812eff10 R14: ffffad2e812eff10 R15: ffff8dc904df2000 # [ 75.400422] FS: 00007fafceee0580(0000) GS:ffff8dc97bd80000(0000) knlGS:0000000000000000 # [ 75.409484] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 75.415922] CR2: ffffad2e820c7e18 CR3: 0000000103fa2000 CR4: 00000000003506e0 # EXEC_STACK: saw 'call trace:': ok ok 31 selftests: lkdtm: EXEC_STACK.sh # selftests: lkdtm: EXEC_KMALLOC.sh # Killed # [ 75.721366] lkdtm: Performing direct entry EXEC_KMALLOC # [ 75.728928] lkdtm: attempting ok execution at ffffffffb8ab2340 # [ 75.735493] lkdtm: attempting bad execution at ffff8dc9034a1f80 # [ 75.742175] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 75.756798] BUG: unable to handle page fault for address: ffff8dc9034a1f80 # [ 75.764508] #PF: supervisor instruction fetch in kernel mode # [ 75.770852] #PF: error_code(0x0011) - permissions violation # [ 75.777098] PGD 78e01067 P4D 78e01067 PUD 10089d063 PMD 104fde063 PTE 80000001034a1163 # [ 75.785992] Oops: 0011 [#7] SMP PTI # [ 75.789905] CPU: 2 PID: 1697 Comm: cat Tainted: G D W 5.10.126-cip11 #1 # [ 75.798579] Hardware name: Google Coral/Coral, BIOS 09/29/2020[ 76.572066] lkdtm: Performing direct entry EXEC_VMALLOC # [ 75.805224] RIP: 0010:0xffff8dc9034a1f80 # [ 75.809624[ 76.581881] lkdtm: attempting ok execution at ffffffffb8ab2340 ] Code: ff ff 40 b2 5c 03 c9 8d ff ff 80 b2 5c 03 c9 8d ff ff 00[ 76.594643] lkdtm: attempting bad execution at ffffad2e80693000 00 00 00 00 00 00 00 00 00 00 00 40 00 38 00 09 00 40 00 18 00 [ 76.607553] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 76.622105] BUG: unable to handle page fault for address: ffffad2e80693000 [ 76.629802] #PF: supervisor instruction fetch in kernel mode [ 76.636137] #PF: error_code(0x0011) - permissions violation [ 76.642380] PGD 100000067 P4D 100000067 PUD 100210067 PMD 105af4067 PTE 8000000102741063 [ 76.651464] Oops: 0011 [#8] SMP PTI [ 76.655366] CPU: 3 PID: 1733 Comm: cat Tainted: G D W 5.10.126-cip11 #1 [ 76.664044] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 76.670677] RIP: 0010:0xffffad2e80693000 [ 76.675061] Code: Unable to access opcode bytes at RIP 0xffffad2e80692fd6. [ 76.682759] RSP: 0018:ffffad2e8220fe38 EFLAGS: 00010246 [ 76.688608] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 76.696591] RDX: 0000000000000000 RSI: ffff8dc97bd9bf70 RDI: ffff8dc97bd9bf70 [ 76.704590] RBP: ffffad2e80693000 R08: 0000000000000000 R09: 0000000000000000 [ 76.712586] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d [ 76.720576] R13: ffffad2e8220ff10 R14: ffffad2e8220ff10 R15: ffff8dc902741000 [ 76.728578] FS: 00007f9aac177580(0000) GS:ffff8dc97bd80000(0000) knlGS:0000000000000000 [ 76.737644] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 76.744077] CR2: ffffad2e80692fd6 CR3: 000000010589a000 CR4: 00000000003506e0 [ 76.752061] Call Trace: [ 76.754810] ? execute_location+0x48/0x56 [ 76.759303] ? lkdtm_EXEC_VMALLOC+0x20/0x30 [ 76.763994] ? direct_entry.cold+0x2c/0x38 [ 76.768591] ? full_proxy_write+0x56/0x80 [ 76.773084] ? vfs_write+0xea/0x390 [ 76.776995] ? ksys_write+0x68/0xe0 [ 76.780911] ? do_syscall_64+0x33/0x40 [ 76.785113] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 76.790977] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 76.806995] CR2: ffffad2e80693000 [ 76.810711] ---[ end trace 1a91beaac65af0cb ]--- [ 76.815887] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 76.820281] Code: 56 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 15 70 02 [ 76.841325] RSP: 0018:ffffad2e812efe60 EFLAGS: 00010282 [ 76.847177] RAX: ffffffffb8ab1f70 RBX: 0000000000000001 RCX: 0000000000000000 [ 76.855166] RDX: 0000000000000000 RSI: ffff8dc97bc1bf70 RDI: ffffffffb96d9a70 [ 76.863167] RBP: ffffffffb9b1b490 R08: 0000000000000001 R09: 0000000000000001 [ 76.871167] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 76.879158] R13: ffffad2e812eff10 R14: ffffad2e812eff10 R15: ffff8dc904df2000 [ 76.887151] FS: 00007f9aac177580(0000) GS:ffff8dc97bd80000(0000) knlGS:0000000000000000 [ 76.896214] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 76.902646] CR2: ffffad2e80692fd6 CR3: 000000010589a000 CR4: 00000000003506e0 17 00 <0f> 1f 44 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 55 # [ 75.830677] RSP: 0018:ffffad2e8217fe38 EFLAGS: 00010246 # [ 75.836537] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 75.844537] RDX: 0000000000000000 RSI: ffff8dc97bd1bf70 RDI: ffff8dc97bd1bf70 # [ 75.852538] RBP: ffff8dc9034a1f80 R08: 0000000000000000 R09: 0000000000000000 # [ 75.860540] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d # [ 75.868540] R13: ffffad2e8217ff10 R14: ffffad2e8217ff10 R15: ffff8dc903f10000 # [ 75.876534] FS: 00007f8b541d1580(0000) GS:ffff8dc97bd00000(0000) knlGS:0000000000000000 # [ 75.885602] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 75.892037] CR2: ffff8dc9034a1f80 CR3: 0000000102960000 CR4: 00000000003506e0 # [ 75.900033] Call Trace: # [ 75.902790] ? execute_location+0x48/0x56 # [ 75.907290] ? lkdtm_EXEC_KMALLOC+0x2c/0x40 # [ 75.911983] ? direct_entry.cold+0x2c/0x38 # [ 75.916583] ? full_proxy_write+0x56/0x80 # [ 75.921079] ? vfs_write+0xea/0x390 # [ 75.924983] ? ksys_write+0x68/0xe0 # [ 75.928889] ? do_syscall_64+0x33/0x40 # [ 75.933093] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 75.938951] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 75.954972] CR2: ffff8dc9034a1f80 # [ 75.958691] ---[ end trace 1a91beaac65af0ca ]--- # [ 75.963870] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 75.968266] Code: 56 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 15 70 02 # [ 75.989326] RSP: 0018:ffffad2e812efe60 EFLAGS: 00010282 # [ 75.995181] RAX: ffffffffb8ab1f70 RBX: 0000000000000001 RCX: 0000000000000000 # [ 76.003184] RDX: 0000000000000000 RSI: ffff8dc97bc1bf70 RDI: ffffffffb96d9a70 # [ 76.011184] RBP: ffffffffb9b1b490 R08: 0000000000000001 R09: 0000000000000001 # [ 76.019183] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 76.027184] R13: ffffad2e812eff10 R14: ffffad2e812eff10 R15: ffff8dc904df2000 # [ 76.035175] FS: 00007f8b541d1580(0000) GS:ffff8dc97bd00000(0000) knlGS:0000000000000000 # [ 76.044247] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 76.050689] CR2: ffff8dc9034a1f80 CR3: 0000000102960000 CR4: 00000000003506e0 # [ 76.058689] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 76.068638] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1697, name: cat # [ 76.077121] INFO: lockdep is turned off. # [ 76.081511] irq event stamp: 0 # [ 76.084931] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 76.091960] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 76.101131] softirqs last enabled at (0): [] copy_process+0x63[ 77.202336] lkdtm: Performing direct entry EXEC_RODATA c/0x1c80 # [ 76.110285] softirqs last disabled at (0): [<0000[ 77.209551] lkdtm: attempting ok execution at ffffffffb8ab2340 [ 77.222344] lkdtm: attempting bad execution at ffffffffb96d9f00 000000000000>] 0x0 # [ 76.123528] CPU: 2 PID: 1697 Comm: cat [ 77.229004] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 77.243598] BUG: unable to handle page fault for address: ffffffffb96d9f00 [ 77.251312] #PF: supervisor instruction fetch in kernel mode [ 77.257656] #PF: error_code(0x0011) - permissions violation [ 77.263905] PGD 77829067 P4D 77829067 PUD 7782a063 PMD 80000000772001e1 [ 77.271428] Oops: 0011 [#9] SMP PTI [ 77.275343] CPU: 0 PID: 1769 Comm: cat Tainted: G D W 5.10.126-cip11 #1 [ 77.284025] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 77.290672] RIP: 0010:lkdtm_rodata_do_nothing+0x0/0x10 [ 77.296433] Code: ff ff df a2 0f b9 ff ff ff ff 92 04 ac b9 ff ff ff ff 95 8a 0f b9 ff ff ff ff 55 aa 55 aa 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 54 68 69 73 20 69 [ 77.317483] RSP: 0018:ffffad2e82297e48 EFLAGS: 00010246 [ 77.323341] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 [ 77.331342] RDX: 0000000000000000 RSI: ffff8dc97bc1bf70 RDI: ffff8dc97bc1bf70 [ 77.339337] RBP: ffffffffb96d9f00 R08: 0000000000000000 R09: 0000000000000000 [ 77.347327] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c [ 77.355309] R13: ffffad2e82297f10 R14: ffffad2e82297f10 R15: ffff8dc905aee000 [ 77.363305] FS: 00007fc443f84580(0000) GS:ffff8dc97bc00000(0000) knlGS:0000000000000000 [ 77.372371] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 77.378810] CR2: ffffffffb96d9f00 CR3: 0000000105b9a000 CR4: 00000000003506f0 [ 77.386800] Call Trace: [ 77.389544] ? execute_location+0x48/0x56 [ 77.394039] ? direct_entry.cold+0x2c/0x38 [ 77.398641] ? full_proxy_write+0x56/0x80 [ 77.403139] ? vfs_write+0xea/0x390 [ 77.407047] ? ksys_write+0x68/0xe0 [ 77.410961] ? do_syscall_64+0x33/0x40 [ 77.415162] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 77.421025] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 77.437039] CR2: ffffffffb96d9f00 [ 77.440758] ---[ end trace 1a91beaac65af0cc ]--- [ 77.445937] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 77.450327] Code: 56 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 15 70 02 [ 77.471382] RSP: 0018:ffffad2e812efe60 EFLAGS: 00010282 [ 77.477235] RAX: ffffffffb8ab1f70 RBX: 0000000000000001 RCX: 0000000000000000 [ 77.485226] RDX: 0000000000000000 RSI: ffff8dc97bc1bf70 RDI: ffffffffb96d9a70 [ 77.493219] RBP: ffffffffb9b1b490 R08: 0000000000000001 R09: 0000000000000001 [ 77.501211] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 77.509202] R13: ffffad2e812eff10 R14: ffffad2e812eff10 R15: ffff8dc904df2000 [ 77.517201] FS: 00007fc443f84580(0000) GS:ffff8dc97bc00000(0000) knlGS:0000000000000000 [ 77.526269] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 77.532712] CR2: ffffffffb96d9f00 CR3: 0000000105b9a000 CR4: 00000000003506f0 [ 77.540715] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 77.550663] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1769, name: cat [ 77.559149] INFO: lockdep is turned off. [ 77.563541] irq event stamp: 0 [ 77.566967] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 77.573997] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 77.583164] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 77.592328] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 77.599340] CPU: 0 PID: 1769 Comm: cat Tainted: G D W 5.10.126-cip11 #1 [ 77.608017] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 77.614651] Call Trace: [ 77.617400] dump_stack+0x77/0x97 [ 77.621120] ___might_sleep.cold+0xa6/0xb6 [ 77.625716] exit_signals+0x1c/0x2d0 [ 77.629725] do_exit+0xd5/0xb00 [ 77.633243] ? ksys_write+0x68/0xe0 [ 77.637157] rewind_stack_do_exit+0x17/0x20 [ 77.641847] RIP: 0033:0x7fc443eacf33 [ 77.645852] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 77.666891] RSP: 002b:00007ffec6c31d68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 77.675369] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007fc443eacf33 [ 77.683363] RDX: 000000000000000c RSI: 00007fc443d9d000 RDI: 0000000000000001 [ 77.691351] RBP: 00007fc443d9d000 R08: 00007fc443d9c010 R09: 0000000000000000 [ 77.699348] R10: 00007fc443fa71c0 R11: 0000000000000246 R12: 0000000000000001 [ 77.707341] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 Tainted: G D W 5.10.126-cip11 #1 # [ 76.132202] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 76.138828] Call Trace: # [ 76.141577] dump_stack+0x77/0x97 # [ 76.145299] ___might_sleep.cold+0xa6/0xb6 # [ 76.149891] exit_signals+0x1c/0x2d0 # [ 76.153902] do_exit+0xd5/0xb00 # [ 76.157421] ? ksys_write+0x68/0xe0 # [ 76.161331] rewind_stack_do_exit+0x17/0x20 # [ 76.166020] RIP: 0033:0x7f8b540f9f33 # [ 76.170029] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 76.191076] RSP: 002b:00007ffe2f744bd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 76.199552] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007f8b540f9f33 # [ 76.207538] RDX: 000000000000000d RSI: 00007f8b53fea000 RDI: 0000000000000001 # [ 76.215523] RBP: 00007f8b53fea000 R08: 00007f8b53fe9010 R09: 0000000000000000 # [ 76.223504] R10: 00007f8b541f41c0 R11: 0000000000000246 R12: 0000000000000001 # [ 76.231490] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # EXEC_KMALLOC: saw 'call trace:': ok ok 32 selftests: lkdtm: EXEC_KMALLOC.sh # selftests: lkdtm: EXEC_VMALLOC.sh # Killed # [ 76.572066] lkdtm: Performing direct entry EXEC_VMALLOC # [ 76.581881] lkdtm: attempting ok execution at ffffffffb8ab2340 # [ 76.594643] lkdtm: attempting bad execution at ffffad2e80693000 # [ 76.607553] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 76.622105] BUG: unable to handle page fault for address: ffffad2e80693000 # [ 76.629802] #PF: supervisor instruction fetch in kernel mode # [ 76.636137] #PF: error_code(0x0011) - permissions violation # [ 76.642380] PGD 100000067 P4D 100000067 PUD 100210067 PMD 105af4067 PTE 8000000102741063 # [ 76.651464] Oops: 0011 [#8] SMP PTI # [ 76.655366] CPU: 3 PID: 1733 Comm: cat Tainted: G D W 5.10.126-cip11 #1 # [ 76.664044] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 76.670677] RIP: 0010:0xffffad2e80693000 # [ 76.675061] Code: Unable to access opcode bytes at RIP 0xffffad2e80692fd6. # [ 76.682759] RSP: 0018:ffffad2e8220fe38 EFLAGS: 00010246 # [ 76.688608] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 76.696591] RDX: 0000000000000000 RSI: ffff8dc97bd9bf70 RDI: ffff8dc97bd9bf70 # [ 76.704590] RBP: ffffad2e80693000 R08: 0000000000000000 R09: 0000000000000000 # [ 76.712586] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d # [ 76.720576] R13: ffffad2e8220ff10 R14: ffffad2e8220ff10 R15: ffff8dc902741000 # [ 76.728578] FS: 00007f9aac177580(0000) GS:ffff8dc97bd80000(0000) knlGS:0000000000000000 # [ 76.737644] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 76.744077] CR2: ffffad2e80692fd6 CR3: 000000010589a000 CR4: 00000000003506e0 # [ 76.752061] Call Trace: # [ 76.75481[ 78.003520] lkdtm: Performing direct entry EXEC_USERSPACE 0] ? execute_location+0x48/0x56 # [ 76.759303] ? lkdtm_EXEC[ 78.014310] lkdtm: attempting ok execution at ffffffffb8ab2340 _VMALLOC+0x20/0x30 # [ 76.763994] ? direct_entry.cold+0x2c/0[ 78.027555] lkdtm: attempting bad execution at 00007f2cd523d000 x38 # [ 76.768591] ? full_proxy_write+0x56/0x80 # [ 76.77[ 78.040524] unable to execute userspace code (SMEP?) (uid: 0) [ 78.052547] BUG: unable to handle page fault for address: 00007f2cd523d000 [ 78.060234] #PF: supervisor instruction fetch in kernel mode [ 78.066561] #PF: error_code(0x0011) - permissions violation [ 78.072792] PGD 8000000105ab2067 P4D 8000000105ab2067 PUD 105ab1067 PMD 1040df067 PTE 113c08067 [ 78.082542] Oops: 0011 [#10] SMP PTI [ 78.086540] CPU: 3 PID: 1805 Comm: cat Tainted: G D W 5.10.126-cip11 #1 [ 78.095202] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 78.101839] RIP: 0010:0x7f2cd523d000 [ 78.105845] Code: Unable to access opcode bytes at RIP 0x7f2cd523cfd6. [ 78.113158] RSP: 0018:ffffad2e82317e50 EFLAGS: 00010246 [ 78.119001] RAX: 0000000000000033 RBX: 0000000000000024 RCX: 0000000000000000 [ 78.126994] RDX: 0000000000000000 RSI: ffff8dc97bd9bf70 RDI: ffff8dc97bd9bf70 [ 78.134980] RBP: 00007f2cd523d000 R08: 0000000000000000 R09: 0000000000000000 [ 78.142969] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000f [ 78.150962] R13: ffffad2e82317f10 R14: ffffad2e82317f10 R15: ffff8dc905981000 [ 78.158955] FS: 00007f2cd520e580(0000) GS:ffff8dc97bd80000(0000) knlGS:0000000000000000 [ 78.168027] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 78.174469] CR2: 00007f2cd523d000 CR3: 0000000105984000 CR4: 00000000003506e0 [ 78.182469] Call Trace: [ 78.185223] ? lkdtm_EXEC_USERSPACE.cold+0x69/0xae [ 78.190595] ? direct_entry.cold+0x2c/0x38 [ 78.195196] ? full_proxy_write+0x56/0x80 [ 78.199690] ? vfs_write+0xea/0x390 [ 78.203595] ? ksys_write+0x68/0xe0 [ 78.207503] ? do_syscall_64+0x33/0x40 [ 78.211699] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 78.217563] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 78.233583] CR2: 00007f2cd523d000 [ 78.237301] ---[ end trace 1a91beaac65af0cd ]--- [ 78.242479] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 78.246873] Code: 56 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 15 70 02 [ 78.267886] RSP: 0018:ffffad2e812efe60 EFLAGS: 00010282 [ 78.273742] RAX: ffffffffb8ab1f70 RBX: 0000000000000001 RCX: 0000000000000000 [ 78.281731] RDX: 0000000000000000 RSI: ffff8dc97bc1bf70 RDI: ffffffffb96d9a70 [ 78.289707] RBP: ffffffffb9b1b490 R08: 0000000000000001 R09: 0000000000000001 [ 78.297693] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 78.305676] R13: ffffad2e812eff10 R14: ffffad2e812eff10 R15: ffff8dc904df2000 [ 78.313671] FS: 00007f2cd520e580(0000) GS:ffff8dc97bd80000(0000) knlGS:0000000000000000 [ 78.322725] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 78.329163] CR2: 00007f2cd523d000 CR3: 0000000105984000 CR4: 00000000003506e0 3084] ? vfs_write+0xea/0x390 # [ 76.776995] ? ksys_write+0x68/0xe0 # [ 76.780911] ? do_syscall_64+0x33/0x40 # [ 76.785113] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 76.790977] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 76.806995] CR2: ffffad2e80693000 # [ 76.810711] ---[ end trace 1a91beaac65af0cb ]--- # [ 76.815887] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 76.820281] Code: 56 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 15 70 02 # [ 76.841325] RSP: 0018:ffffad2e812efe60 EFLAGS: 00010282 # [ 76.847177] RAX: ffffffffb8ab1f70 RBX: 0000000000000001 RCX: 0000000000000000 # [ 76.855166] RDX: 0000000000000000 RSI: ffff8dc97bc1bf70 RDI: ffffffffb96d9a70 # [ 76.863167] RBP: ffffffffb9b1b490 R08: 0000000000000001 R09: 0000000000000001 # [ 76.871167] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 76.879158] R13: ffffad2e812eff10 R14: ffffad2e812eff10 R15: ffff8dc904df2000 # [ 76.887151] FS: 00007f9aac177580(0000) GS:ffff8dc97bd80000(0000) knlGS:0000000000000000 # [ 76.896214] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 76.902646] CR2: ffffad2e80692fd6 CR3: 000000010589a000 CR4: 00000000003506e0 # EXEC_VMALLOC: saw 'call trace:': ok ok 33 selftests: lkdtm: EXEC_VMALLOC.sh # selftests: lkdtm: EXEC_RODATA.sh # Killed # [ 77.202336] lkdtm: Performing direct entry EXEC_RODATA # [ 77.209551] lkdtm: attempting ok execution at ffffffffb8ab2340 # [ 77.222344] lkdtm: attempting bad execution at ffffffffb96d9f00 # [ 77.229004] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 77.243598] BUG: unable to handle page fault for address: ffffffffb96d9f00 # [ 77.251312] #PF: supervisor instruction fetch in kernel mode # [ 77.257656] #PF: error_code(0x0011) - permissions violation # [ 77.263905] PGD 77829067 P4D 77829067 PUD 7782a063 PMD 80000000772001e1 # [ 77.271428] Oops: 0011 [#9] SMP PTI # [ 77.275343] CPU: 0 PID: 1769 Comm: cat Tainted: G D W 5.10.126-cip11 #1 # [ 77.284025] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 77.290672] RIP: 0010:lkdtm_rodata_do_nothing+0x0/0x10 # [ 77.296433] Code: ff ff df a2 0f b9 ff ff ff ff 92 04 ac b9 ff ff ff ff 95 8a 0f b9 ff ff ff ff 55 aa 55 aa 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 54 68 69 73 20 69 # [ 77.317483] RSP: 0018:ffffad2e82297e48 EFLAGS: 00010246 # [ 77.323341] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 # [ 77.331342] RDX: 0000000000000000 RSI: ffff8dc97bc1bf70 RDI: ffff8dc97bc1bf70 # [ 77.339337] RBP: ffffffffb96d9f00 R08: 0000000000000000 R09: 0000000000000000 # [ 77.347327] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c # [ 77.355309] R13: ffffad2e82297f10 R14: ffffad2e82297f10 R15: ffff8dc905aee000 # [ 77.363305] FS: 00007fc443f84580(0000) GS:ffff8dc97bc00000(0000) knlGS:0000000000000000 # [ 77.372371] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 77.378810] CR2: ffffffffb96d9f00 CR3: 0000000105b9a00[ 78.655380] lkdtm: Performing direct entry EXEC_NULL [ 78.666813] lkdtm: attempting ok execution at ffffffffb8ab2340 [ 78.673391] lkdtm: attempting bad execution at 0000000000000000 0 CR4: 00000000003506f0 # [ 77.386800] Call Trace: # [ 77.[ 78.680066] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 78.694070] #PF: supervisor instruction fetch in kernel mode [ 78.700405] #PF: error_code(0x0010) - not-present page [ 78.706154] PGD 0 P4D 0 [ 78.708995] Oops: 0010 [#11] SMP PTI 389544] ? execute_location+0x48/0x56 # [ 77.394039] ? direc[ 78.712994] CPU: 1 PID: 1841 Comm: cat Tainted: G D W 5.10.126-cip11 #1 [ 78.727862] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 78.734484] RIP: 0010:0x0 [ 78.737422] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6. [ 78.745113] RSP: 0018:ffffad2e8238fe48 EFLAGS: 00010246 [ 78.750961] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 [ 78.758951] RDX: 0000000000000000 RSI: ffff8dc97bc9bf70 RDI: ffff8dc97bc9bf70 [ 78.766940] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 78.774926] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a [ 78.782923] R13: ffffad2e8238ff10 R14: ffffad2e8238ff10 R15: ffff8dc903238000 [ 78.790918] FS: 00007f7893854580(0000) GS:ffff8dc97bc80000(0000) knlGS:0000000000000000 [ 78.799966] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 78.806398] CR2: ffffffffffffffd6 CR3: 00000001032b0000 CR4: 00000000003506e0 [ 78.814396] Call Trace: t_entry.cold+0x2c/0x38 # [ 77.398641] ? full_proxy_write+0x5[ 78.817146] execute_location+0x48/0x56 [ 78.827678] direct_entry.cold+0x2c/0x38 [ 78.832081] full_proxy_write+0x56/0x80 [ 78.836379] vfs_write+0xea/0x390 [ 78.840088] ksys_write+0x68/0xe0 [ 78.843803] do_syscall_64+0x33/0x40 [ 78.847813] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 78.853478] RIP: 0033:0x7f789377cf33 [ 78.857482] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 78.878513] RSP: 002b:00007ffc00d441a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 78.886994] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f789377cf33 [ 78.894985] RDX: 000000000000000a RSI: 00007f789366d000 RDI: 0000000000000001 [ 78.902973] RBP: 00007f789366d000 R08: 00007f789366c010 R09: 0000000000000000 [ 78.910959] R10: 00007f78938771c0 R11: 0000000000000246 R12: 0000000000000001 [ 78.918945] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 78.926947] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 78.942949] CR2: 0000000000000000 [ 78.946660] ---[ end trace 1a91beaac65af0ce ]--- [ 78.951828] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 78.956217] Code: 56 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 15 70 02 [ 78.977224] RSP: 0018:ffffad2e812efe60 EFLAGS: 00010282 [ 78.983065] RAX: ffffffffb8ab1f70 RBX: 0000000000000001 RCX: 0000000000000000 [ 78.991041] RDX: 0000000000000000 RSI: ffff8dc97bc1bf70 RDI: ffffffffb96d9a70 [ 78.999025] RBP: ffffffffb9b1b490 R08: 0000000000000001 R09: 0000000000000001 [ 79.007007] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 79.014994] R13: ffffad2e812eff10 R14: ffffad2e812eff10 R15: ffff8dc904df2000 [ 79.022972] FS: 00007f7893854580(0000) GS:ffff8dc97bc80000(0000) knlGS:0000000000000000 [ 79.032033] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 79.038466] CR2: ffffffffffffffd6 CR3: 00000001032b0000 CR4: 00000000003506e0 [ 79.046448] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 79.056367] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1841, name: cat [ 79.064839] INFO: lockdep is turned off. [ 79.069234] irq event stamp: 0 [ 79.072654] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 79.079681] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 79.088838] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 79.097992] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 79.105012] CPU: 1 PID: 1841 Comm: cat Tainted: G D W 5.10.126-cip11 #1 [ 79.113674] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 79.120287] Call Trace: [ 79.123031] dump_stack+0x77/0x97 [ 79.126742] ___might_sleep.cold+0xa6/0xb6 [ 79.131330] exit_signals+0x1c/0x2d0 [ 79.135340] do_exit+0xd5/0xb00 [ 79.138863] ? ksys_write+0x68/0xe0 [ 79.142778] rewind_stack_do_exit+0x17/0x20 [ 79.147467] RIP: 0033:0x7f789377cf33 [ 79.151465] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 79.172514] RSP: 002b:00007ffc00d441a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 79.180991] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f789377cf33 [ 79.188983] RDX: 000000000000000a RSI: 00007f789366d000 RDI: 0000000000000001 [ 79.196976] RBP: 00007f789366d000 R08: 00007f789366c010 R09: 0000000000000000 [ 79.204974] R10: 00007f78938771c0 R11: 0000000000000246 R12: 0000000000000001 [ 79.212960] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 6/0x80 # [ 77.403139] ? vfs_write+0xea/0x390 # [ 77.407047] ? ksys_write+0x68/0xe0 # [ 77.410961] ? do_syscall_64+0x33/0x40 # [ 77.415162] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 77.421025] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 77.437039] CR2: ffffffffb96d9f00 # [ 77.440758] ---[ end trace 1a91beaac65af0cc ]--- # [ 77.445937] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 77.450327] Code: 56 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 15 70 02 # [ 77.471382] RSP: 0018:ffffad2e812efe60 EFLAGS: 00010282 # [ 77.477235] RAX: ffffffffb8ab1f70 RBX: 0000000000000001 RCX: 0000000000000000 # [ 77.485226] RDX: 0000000000000000 RSI: ffff8dc97bc1bf70 RDI: ffffffffb96d9a70 # [ 77.493219] RBP: ffffffffb9b1b490 R08: 0000000000000001 R09: 0000000000000001 # [ 77.501211] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 77.509202] R13: ffffad2e812eff10 R14: ffffad2e812eff10 R15: ffff8dc904df2000 # [ 77.517201] FS: 00007fc443f84580(0000) GS:ffff8dc97bc00000(0000) knlGS:0000000000000000 # [ 77.526269] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 77.532712] CR2: ffffffffb96d9f00 CR3: 0000000105b9a000 CR4: 00000000003506f0 # [ 77.540715] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 77.550663] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1769, name: cat # [ 77.559149] INFO: lockdep is turned off. # [ 77.563541] irq event stamp: 0 # [ 77.566967] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 77.573997] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 77.583164] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 77.592328] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 77.599340] CPU: 0 PID: 1769 Comm: cat Tainted: G D W 5.10.126-cip11 #1 # [ 77.608017] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 77.614651] Call Trace: # [ 77.617400] dump_stack+0x77/0x97 # [ 77.621120] ___might_sleep.cold+0xa6/0xb6 # [ 77.625716] exit_signals+0x1c/0x2d0 # [ 77.629725] do_exit+0xd5/0xb00 # [ 77.633243] ? ksys_write+0x68/0xe0 # [ 77.637157] rewind_stack_do_exit+0x17/0x20 # [ 77.641847] RIP: 0033:0x7fc443eacf33 # [ 77.645852] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 77.666891] RSP: 002b:00007ffec6c31d68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 77.675369] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007fc443eacf33 # [ 77.683363] RDX: 000000000000000c RSI: 00007fc443d9d000 RDI: 0000000000000001 # [ 77.691351] RBP: 00007fc443d9d000 R08: 00007fc443d9c010 R09: 0000000000000000 # [ 77.699348] R10: 00007fc443fa71c0 R11: 0000000000000246 R12: 0000000000000001 # [ 77.707341] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # EXEC_RODATA: saw 'call trace:': ok ok 34 selftests: lkdtm: EXEC_RODATA.sh # selftests: lkdtm: EXEC_USERSPACE.sh # Killed # [ 78.003520] lkdtm: Performing direct entry EXEC_USERSPACE # [ 78.014310] lkdtm: attempting ok execution at ffffffffb8ab2340 # [ 78.027555] lkdtm: attempting bad execution at 00007f2cd523d000 # [ 78.040524] unable [ 79.574692] lkdtm: Performing direct entry ACCESS_USERSPACE to execute userspace code (SMEP?) (uid: 0) # [ 78.052547] BUG[ 79.582725] lkdtm: attempting bad read at 00007f0da6e19000 : unable to handle page fault for address: 00007f2cd523d000 # [[ 79.595109] BUG: unable to handle page fault for address: 00007f0da6e19000 [ 79.608997] #PF: supervisor read access in kernel mode [ 79.614757] #PF: error_code(0x0001) - permissions violation [ 79.621005] PGD 80000001037aa067 P4D 80000001037aa067 PUD 102737067 PMD 1059e6067 PTE 116c40067 [ 79.630777] Oops: 0001 [#12] SMP PTI [ 79.634784] CPU: 3 PID: 1876 Comm: cat Tainted: G D W 5.10.126-cip11 #1 [ 79.643464] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 79.650112] RIP: 0010:lkdtm_ACCESS_USERSPACE.cold+0x3d/0x9f [ 79.656356] Code: 2b 04 25 28 00 00 00 75 60 48 83 c4 10 5d c3 48 89 ee 48 c7 c7 b0 11 ac b9 e8 73 9d fd ff 48 c7 c7 d8 11 ac b9 b8 de c0 de c0 <48> 03 45 00 48 89 04 24 e8 5a 9d fd ff 48 89 ee 48 c7 c7 00 12 ac [ 79.677409] RSP: 0018:ffffad2e82417e48 EFLAGS: 00010246 [ 79.683267] RAX: 00000000c0dec0de RBX: 0000000000000026 RCX: 0000000000000000 [ 79.691267] RDX: 0000000000000000 RSI: ffff8dc97bd9bf70 RDI: ffffffffb9ac11d8 [ 79.699262] RBP: 00007f0da6e19000 R08: 0000000000000000 R09: 0000000000000000 [ 79.707262] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000011 [ 79.715259] R13: ffffad2e82417f10 R14: ffffad2e82417f10 R15: ffff8dc9031d9000 [ 79.723261] FS: 00007f0da6dea580(0000) GS:ffff8dc97bd80000(0000) knlGS:0000000000000000 [ 79.732329] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 79.738767] CR2: 00007f0da6e19000 CR3: 0000000105850000 CR4: 00000000003506e0 [ 79.746767] Call Trace: [ 79.749518] direct_entry.cold+0x2c/0x38 [ 79.753921] full_proxy_write+0x56/0x80 [ 79.758220] vfs_write+0xea/0x390 [ 79.761938] ksys_write+0x68/0xe0 [ 79.765646] do_syscall_64+0x33/0x40 [ 79.769658] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 79.775324] RIP: 0033:0x7f0da6d12f33 [ 79.779334] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 79.800367] RSP: 002b:00007ffd6af8f558 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 79.808856] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007f0da6d12f33 [ 79.816857] RDX: 0000000000000011 RSI: 00007f0da6c03000 RDI: 0000000000000001 [ 79.824854] RBP: 00007f0da6c03000 R08: 00007f0da6c02010 R09: 0000000000000000 [ 79.832854] R10: 00007f0da6e0d1c0 R11: 0000000000000246 R12: 0000000000000001 [ 79.840851] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 79.848857] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 79.864865] CR2: 00007f0da6e19000 [ 79.868584] ---[ end trace 1a91beaac65af0cf ]--- [ 79.873761] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 79.878159] Code: 56 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 15 70 02 [ 79.899205] RSP: 0018:ffffad2e812efe60 EFLAGS: 00010282 [ 79.905061] RAX: ffffffffb8ab1f70 RBX: 0000000000000001 RCX: 0000000000000000 [ 79.913062] RDX: 0000000000000000 RSI: ffff8dc97bc1bf70 RDI: ffffffffb96d9a70 [ 79.921065] RBP: ffffffffb9b1b490 R08: 0000000000000001 R09: 0000000000000001 [ 79.929066] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 79.937070] R13: ffffad2e812eff10 R14: ffffad2e812eff10 R15: ffff8dc904df2000 [ 79.945070] FS: 00007f0da6dea580(0000) GS:ffff8dc97bd80000(0000) knlGS:0000000000000000 [ 79.954141] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 79.960581] CR2: 00007f0da6e19000 CR3: 0000000105850000 CR4: 00000000003506e0 78.060234] #PF: supervisor instruction fetch in kernel mode # [ 78.066561] #PF: error_code(0x0011) - permissions violation # [ 78.072792] PGD 8000000105ab2067 P4D 8000000105ab2067 PUD 105ab1067 PMD 1040df067 PTE 113c08067 # [ 78.082542] Oops: 0011 [#10] SMP PTI # [ 78.086540] CPU: 3 PID: 1805 Comm: cat Tainted: G D W 5.10.126-cip11 #1 # [ 78.095202] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 78.101839] RIP: 0010:0x7f2cd523d000 # [ 78.105845] Code: Unable to access opcode bytes at RIP 0x7f2cd523cfd6. # [ 78.113158] RSP: 0018:ffffad2e82317e50 EFLAGS: 00010246 # [ 78.119001] RAX: 0000000000000033 RBX: 0000000000000024 RCX: 0000000000000000 # [ 78.126994] RDX: 0000000000000000 RSI: ffff8dc97bd9bf70 RDI: ffff8dc97bd9bf70 # [ 78.134980] RBP: 00007f2cd523d000 R08: 0000000000000000 R09: 0000000000000000 # [ 78.142969] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000f # [ 78.150962] R13: ffffad2e82317f10 R14: ffffad2e82317f10 R15: ffff8dc905981000 # [ 78.158955] FS: 00007f2cd520e580(0000) GS:ffff8dc97bd80000(0000) knlGS:0000000000000000 # [ 78.168027] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 78.174469] CR2: 00007f2cd523d000 CR3: 0000000105984000 CR4: 00000000003506e0 # [ 78.182469] Call Trace: # [ 78.185223] ? lkdtm_EXEC_USERSPACE.cold+0x69/0xae # [ 78.190595] ? direct_entry.cold+0x2c/0x38 # [ 78.195196] ? full_proxy_write+0x56/0x80 # [ 78.199690] ? vfs_write+0xea/0x390 # [ 78.203595] ? ksys_write+0x68/0xe0 # [ 78.207503] ? do_syscall_64+0x33/0x40 # [ 78.211699] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 78.217563] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 78.233583] CR2: 00007f2cd523d000 # [ 78.237301] ---[ end trace 1a91beaac65af0cd ]--- # [ 78.242479] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 78.246873] Code: 56 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 15 70 02 # [ 78.267886] RSP: 0018:ffffad2e812efe60 EFLAGS: 00010282 # [ 78.273742] RAX: ffffffffb8ab1f70 RBX: 0000000000000001 RCX: 0000000000000000 # [ 78.281731] RDX: 0000000000000000 RSI: ffff8dc97bc1bf70 RDI: ffffffffb96d9a70 # [ 78.289707] RBP: ffffffffb9b1b490 R08: 0000000000000001 R09: 0000000000000001 # [ 78.297693] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 78.305676] R13: ffffad2e812eff10 R14: ffffad2e812eff10 R15: ffff8dc904df2000 # [ 78.313671] FS: 00007f2cd520e580(0000) GS:ffff8dc97bd80000(0000) knlGS:0000000000000000 # [ 78.322725] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 78.329163] CR2: 00007f2cd523d000 CR3: 0000000105984000 CR4: 00000000003506e0 # EXEC_USERSPACE: saw 'call trace:': ok ok 35 selftests: lkdtm: EXEC_USERSPACE.sh # selftests: lkdtm: EXEC_NULL.sh # Killed # [ 78.655380] lkdtm: Performing direct entry EXEC_NULL # [ 78.666813] lkdtm: attempting ok execution at ffffffffb8ab2340 # [ 78.673391] lkdtm: attem[ 80.277626] lkdtm: Performing direct entry ACCESS_NULL [ 80.286059] lkdtm: attempting bad read at 0000000000000000 pting bad execution at 0000000000000000 # [ 78.680066] BUG: k[ 80.292254] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 80.306286] #PF: supervisor read access in kernel mode [ 80.312045] #PF: error_code(0x0000) - not-present page [ 80.317800] PGD 0 P4D 0 [ 80.320641] Oops: 0000 [#13] SMP PTI [ 80.324649] CPU: 2 PID: 1912 Comm: cat Tainted: G D W 5.10.126-cip11 #1 [ 80.333327] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 80.339973] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53 [ 80.345248] Code: 17 9d fd ff be 00 10 00 00 48 89 ef e8 6e bb 3f ff e9 6d ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 b0 11 ac b9 e8 f1 9c fd ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 d8 11 ac b9 48 01 [ 80.366280] RSP: 0018:ffffad2e824a7e58 EFLAGS: 00010246 [ 80.372126] RAX: 000000000000002e RBX: 0000000000000027 RCX: 0000000000000000 [ 80.380112] RDX: 0000000000000000 RSI: ffff8dc97bd1bf70 RDI: ffff8dc97bd1bf70 [ 80.388102] RBP: ffffffffb9ac02a1 R08: 0000000000000000 R09: 0000000000000000 [ 80.396095] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c [ 80.404093] R13: ffffad2e824a7f10 R14: ffffad2e824a7f10 R15: ffff8dc905ae2000 [ 80.412091] FS: 00007f1293c24580(0000) GS:ffff8dc97bd00000(0000) knlGS:0000000000000000 [ 80.421147] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 80.427584] CR2: 0000000000000000 CR3: 0000000102adc000 CR4: 00000000003506e0 [ 80.435574] Call Trace: [ 80.438322] direct_entry.cold+0x2c/0x38 [ 80.442723] full_proxy_write+0x56/0x80 [ 80.447023] vfs_write+0xea/0x390 [ 80.450737] ksys_write+0x68/0xe0 [ 80.454448] do_syscall_64+0x33/0x40 [ 80.458449] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 80.464100] RIP: 0033:0x7f1293b4cf33 [ 80.468096] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 80.489095] RSP: 002b:00007ffe6a25c638 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 80.497568] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f1293b4cf33 [ 80.505550] RDX: 000000000000000c RSI: 00007f1293a3d000 RDI: 0000000000000001 [ 80.513545] RBP: 00007f1293a3d000 R08: 00007f1293a3c010 R09: 0000000000000000 [ 80.521538] R10: 00007f1293c471c0 R11: 0000000000000246 R12: 0000000000000001 [ 80.529534] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 80.537543] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 80.553564] CR2: 0000000000000000 [ 80.557269] ---[ end trace 1a91beaac65af0d0 ]--- [ 80.562438] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 80.566836] Code: 56 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 15 70 02 [ 80.587873] RSP: 0018:ffffad2e812efe60 EFLAGS: 00010282 [ 80.593731] RAX: ffffffffb8ab1f70 RBX: 0000000000000001 RCX: 0000000000000000 [ 80.601726] RDX: 0000000000000000 RSI: ffff8dc97bc1bf70 RDI: ffffffffb96d9a70 [ 80.609719] RBP: ffffffffb9b1b490 R08: 0000000000000001 R09: 0000000000000001 [ 80.617702] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 80.625698] R13: ffffad2e812eff10 R14: ffffad2e812eff10 R15: ffff8dc904df2000 [ 80.633689] FS: 00007f1293c24580(0000) GS:ffff8dc97bd00000(0000) knlGS:0000000000000000 [ 80.642752] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 80.649192] CR2: 0000000000000000 CR3: 0000000102adc000 CR4: 00000000003506e0 [ 80.657195] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 80.667128] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1912, name: cat [ 80.675604] INFO: lockdep is turned off. [ 80.679992] irq event stamp: 0 [ 80.683413] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 80.690434] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 80.699588] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 80.708742] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 80.715764] CPU: 2 PID: 1912 Comm: cat Tainted: G D W 5.10.126-cip11 #1 [ 80.724426] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 80.731052] Call Trace: [ 80.733797] dump_stack+0x77/0x97 [ 80.737518] ___might_sleep.cold+0xa6/0xb6 [ 80.742106] exit_signals+0x1c/0x2d0 [ 80.746117] do_exit+0xd5/0xb00 [ 80.749637] ? ksys_write+0x68/0xe0 [ 80.753545] rewind_stack_do_exit+0x17/0x20 [ 80.758223] RIP: 0033:0x7f1293b4cf33 [ 80.762226] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 80.783252] RSP: 002b:00007ffe6a25c638 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 80.791736] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f1293b4cf33 [ 80.799730] RDX: 000000000000000c RSI: 00007f1293a3d000 RDI: 0000000000000001 [ 80.807733] RBP: 00007f1293a3d000 R08: 00007f1293a3c010 R09: 0000000000000000 [ 80.815734] R10: 00007f1293c471c0 R11: 0000000000000246 R12: 0000000000000001 [ 80.823731] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ernel NULL pointer dereference, address: 0000000000000000 # [ 78.694070] #PF: supervisor instruction fetch in kernel mode # [ 78.700405] #PF: error_code(0x0010) - not-present page # [ 78.706154] PGD 0 P4D 0 # [ 78.708995] Oops: 0010 [#11] SMP PTI # [ 78.712994] CPU: 1 PID: 1841 Comm: cat Tainted: G D W 5.10.126-cip11 #1 # [ 78.727862] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 78.734484] RIP: 0010:0x0 # [ 78.737422] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6. # [ 78.745113] RSP: 0018:ffffad2e8238fe48 EFLAGS: 00010246 # [ 78.750961] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 # [ 78.758951] RDX: 0000000000000000 RSI: ffff8dc97bc9bf70 RDI: ffff8dc97bc9bf70 # [ 78.766940] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 # [ 78.774926] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 78.782923] R13: ffffad2e8238ff10 R14: ffffad2e8238ff10 R15: ffff8dc903238000 # [ 78.790918] FS: 00007f7893854580(0000) GS:ffff8dc97bc80000(0000) knlGS:0000000000000000 # [ 78.799966] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 78.806398] CR2: ffffffffffffffd6 CR3: 00000001032b0000 CR4: 00000000003506e0 # [ 78.814396] Call Trace: # [ 78.817146] execute_location+0x48/0x56 # [ 78.827678] direct_entry.cold+0x2c/0x38 # [ 78.832081] full_proxy_write+0x56/0x80 # [ 78.836379] vfs_write+0xea/0x390 # [ 78.840088] ksys_write+0x68/0xe0 # [ 78.843803] do_syscall_64+0x33/0x40 # [ 78.847813] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 78.853478] RIP: 0033:0x7f789377cf33 # [ 78.857482] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 78.878513] RSP: 002b:00007ffc00d441a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 78.886994] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f789377cf33 # [ 78.894985] RDX: 000000000000000a RSI: 00007f789366d000 RDI: 0000000000000001 # [ 78.902973] RBP: 00007f789366d000 R08: 00007f789366c010 R09: 0000000000000000 # [ 78.910959] R10: 00007f78938771c0 R11: 0000000000000246 R12: 0000000000000001 # [ 78.918945] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 78.926947] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 78.942949] CR2: 0000000000000000 # [ 78.946660] ---[ end trace 1a91beaac65af0ce ]--- # [ 78.951828] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 78.956217] Code: 56 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 15 70 02 # [ 78.977224] RSP: 0018:ffffad2e812efe60 EFLAGS: 00010282 # [ 78.983065] RAX: ffffffffb8ab1f70 RBX: 0000000000000001 RCX: 0000000000000000 # [ 78.991041] RDX: 0000000000000000 RSI: ffff8dc97bc1bf70 RDI: ffffffffb96d9a70 # [ 78.999025] RBP: ffffffffb9b1b490 R08: 0000000000000001 R09: 0000000000000001 # [ 79.007007] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 79.014994] R[ 81.152569] lkdtm: Performing direct entry WRITE_RO [ 81.161447] lkdtm: attempting bad rodata write at ffffffffb96d9ef0 [ 81.168441] BUG: unable to handle page fault for address: ffffffffb96d9ef0 [ 81.176144] #PF: supervisor write access in kernel mode 13: ffffad2e812eff10 R14: ffffad2e812eff10 R15: ffff8dc904df2000[ 81.181993] #PF: error_code(0x0003) - permissions violation # [ 79.022972] FS: 00007f7893854580(0000) GS:ffff8dc97bc800[ 81.194454] PGD 77829067 P4D 77829067 PUD 7782a063 PMD 80000000772001e1 [ 81.208213] Oops: 0003 [#14] SMP PTI [ 81.212224] CPU: 1 PID: 1947 Comm: cat Tainted: G D W 5.10.126-cip11 #1 00(0000) knlGS:0000000000000000 # [ 79.032033] CS: 0010 DS: [ 81.220898] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 81.233767] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a [ 81.238745] Code: 00 48 c7 c7 90 10 ac b9 48 c7 c6 f0 9e 6d b9 e8 93 9f fd ff 48 8b 05 10 11 5e 00 ba 34 12 cd ab 48 c7 c7 c0 10 ac b9 48 31 d0 <48> 89 05 fa 10 5e 00 e9 71 9f fd ff 0f 1f 44 00 00 48 8b 05 21 35 [ 81.259785] RSP: 0018:ffffad2e82527e60 EFLAGS: 00010202 [ 81.265646] RAX: 000000000198b861 RBX: 0000000000000028 RCX: 0000000000000000 [ 81.273644] RDX: 00000000abcd1234 RSI: ffff8dc97bc9bf70 RDI: ffffffffb9ac10c0 [ 81.281643] RBP: ffffffffb9ac02ad R08: 0000000000000000 R09: 0000000000000000 [ 81.289634] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000009 [ 81.297633] R13: ffffad2e82527f10 R14: ffffad2e82527f10 R15: ffff8dc902ad0000 [ 81.305634] FS: 00007fec28efa580(0000) GS:ffff8dc97bc80000(0000) knlGS:0000000000000000 [ 81.314705] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 81.321148] CR2: ffffffffb96d9ef0 CR3: 00000001059ee000 CR4: 00000000003506e0 [ 81.329147] Call Trace: [ 81.331897] direct_entry.cold+0x2c/0x38 [ 81.336303] full_proxy_write+0x56/0x80 [ 81.340609] vfs_write+0xea/0x390 [ 81.344329] ksys_write+0x68/0xe0 [ 81.348046] do_syscall_64+0x33/0x40 [ 81.352055] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 81.357718] RIP: 0033:0x7fec28e22f33 [ 81.361725] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 81.382779] RSP: 002b:00007fff48ef8ad8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 81.391271] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007fec28e22f33 [ 81.399272] RDX: 0000000000000009 RSI: 00007fec28d13000 RDI: 0000000000000001 [ 81.407271] RBP: 00007fec28d13000 R08: 00007fec28d12010 R09: 0000000000000000 [ 81.415268] R10: 00007fec28f1d1c0 R11: 0000000000000246 R12: 0000000000000001 [ 81.423269] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 81.431280] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 81.447298] CR2: ffffffffb96d9ef0 [ 81.451017] ---[ end trace 1a91beaac65af0d1 ]--- [ 81.456196] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 81.460587] Code: 56 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 15 70 02 [ 81.481639] RSP: 0018:ffffad2e812efe60 EFLAGS: 00010282 [ 81.487494] RAX: ffffffffb8ab1f70 RBX: 0000000000000001 RCX: 0000000000000000 [ 81.495493] RDX: 0000000000000000 RSI: ffff8dc97bc1bf70 RDI: ffffffffb96d9a70 [ 81.503491] RBP: ffffffffb9b1b490 R08: 0000000000000001 R09: 0000000000000001 [ 81.511490] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 81.519489] R13: ffffad2e812eff10 R14: ffffad2e812eff10 R15: ffff8dc904df2000 [ 81.527491] FS: 00007fec28efa580(0000) GS:ffff8dc97bc80000(0000) knlGS:0000000000000000 [ 81.536560] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 81.543002] CR2: ffffffffb96d9ef0 CR3: 00000001059ee000 CR4: 00000000003506e0 0000 ES: 0000 CR0: 0000000080050033 # [ 79.038466] CR2: ffffffffffffffd6 CR3: 00000001032b0000 CR4: 00000000003506e0 # [ 79.046448] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 79.056367] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1841, name: cat # [ 79.064839] INFO: lockdep is turned off. # [ 79.069234] irq event stamp: 0 # [ 79.072654] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 79.079681] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 79.088838] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 79.097992] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 79.105012] CPU: 1 PID: 1841 Comm: cat Tainted: G D W 5.10.126-cip11 #1 # [ 79.113674] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 79.120287] Call Trace: # [ 79.123031] dump_stack+0x77/0x97 # [ 79.126742] ___might_sleep.cold+0xa6/0xb6 # [ 79.131330] exit_signals+0x1c/0x2d0 # [ 79.135340] do_exit+0xd5/0xb00 # [ 79.138863] ? ksys_write+0x68/0xe0 # [ 79.142778] rewind_stack_do_exit+0x17/0x20 # [ 79.147467] RIP: 0033:0x7f789377cf33 # [ 79.151465] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 79.172514] RSP: 002b:00007ffc00d441a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 79.180991] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f789377cf33 # [ 79.188983] RDX: 000000000000000a RSI: 00007f789366d000 RDI: 0000000000000001 # [ 79.196976] RBP: 00007f789366d000 R08: 00007f789366c010 R09: 0000000000000000 # [ 79.204974] R10: 00007f78938771c0 R11: 0000000000000246 R12: 0000000000000001 # [ 79.212960] 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 # [ 79.574692] lkdtm: Performing direct entry ACCESS_USERSPACE # [ 79.582725] lkdtm: attempting bad read at 00007f0da6e19000 # [ 79.595109] BUG: unable to handle page fault for address: 00007f0da6e19000 # [ 79.608997] #PF: supervisor read access in kernel mode # [ 79.614757] #PF: error_code(0x0001) - permissions violation # [ 79.621005] PGD 80000001037aa067 P4D 80000001037aa067 PUD 102737067 PMD 1059e6067 PTE 116c40067 # [ 79.630777] Oops: 0001 [#12] SMP PTI # [ 79.634784] CPU: 3 PID: 1876 Comm: cat Tainted: G D W 5.10.126-cip11 #1 # [ 79.643464] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 79.650112] RIP: 0010:lkdtm_ACCESS_USERSPACE.cold+0x3d/0x9f # [ 79.656356] Code: 2b 04 25 28 00 00 00 75 60 48 83 c4 10 5d c3 48 89 ee 48 c7 c7 b0 11 ac b9 e8 73 9d fd ff 48 c7 c7 d8 11 ac b9 b8 de c0 de c0 <48> 03 45 00 48 89 04 24 e8 5a 9d fd ff 48 89 ee 48 c7 c7 00 12 ac # [ 79.677409] RSP: 0018:ffffad2e82417e48 EFLAGS: 00010246 # [ 79.683267] RAX: 00000000c0dec0de RBX: 000000000000002[ 81.852285] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT [ 81.863089] lkdtm: attempting bad ro_after_init write at ffffffffb9b3c328 [ 81.870777] BUG: unable to handle page fault for address: ffffffffb9b3c328 [6 RCX: 0000000000000000 # [ 79.691267] RDX: 0000000000000000 81.878490] #PF: supervisor write access in kernel mode [ 81.890487] #PF: error_code(0x0003) - permissions violation RSI: ffff8dc97bd9bf70 RDI: ffffffffb9ac11d8 # [ 79.699262] RB[ 81.896736] PGD 77829067 P4D 77829067 PUD 7782a063 PMD 1047c9163 PTE 800000007773c061 [ 81.911744] Oops: 0003 [#15] SMP PTI P: 00007f0da6e19000 R08: 0000000000000000 R09: 0000000000000000[ 81.915751] CPU: 2 PID: 1982 Comm: cat Tainted: G D W 5.10.126-cip11 #1 [ 81.930655] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 81.937303] RIP: 0010:lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a [ 81.943358] Code: 10 ac b9 e9 45 9f fd ff 48 c7 c7 18 11 ac b9 e8 39 9f fd ff 48 8b 05 ee 34 a4 00 ba 34 12 cd ab 48 c7 c7 c0 10 ac b9 48 31 d0 <48> 89 05 d8 34 a4 00 e9 17 9f fd ff 0f 1f 44 00 00 41 54 48 c7 c7 [ 81.964409] RSP: 0018:ffffad2e8259fe60 EFLAGS: 00010202 [ 81.970269] RAX: 00000000fe67479e RBX: 0000000000000029 RCX: 0000000000000000 [ 81.978267] RDX: 00000000abcd1234 RSI: ffff8dc97bd1bf70 RDI: ffffffffb9ac10c0 [ 81.986266] RBP: ffffffffb9ac02b6 R08: 0000000000000000 R09: 0000000000000000 [ 81.994264] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000014 [ 82.002260] R13: ffffad2e8259ff10 R14: ffffad2e8259ff10 R15: ffff8dc9059e6000 [ 82.010259] FS: 00007fc8dea10580(0000) GS:ffff8dc97bd00000(0000) knlGS:0000000000000000 [ 82.019327] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 82.025768] CR2: ffffffffb9b3c328 CR3: 0000000103f0e000 CR4: 00000000003506e0 [ 82.033768] Call Trace: [ 82.036519] direct_entry.cold+0x2c/0x38 [ 82.040928] full_proxy_write+0x56/0x80 [ 82.045236] vfs_write+0xea/0x390 [ 82.048957] ksys_write+0x68/0xe0 [ 82.052678] do_syscall_64+0x33/0x40 [ 82.056692] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 82.062357] RIP: 0033:0x7fc8de938f33 [ 82.066365] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 82.087410] RSP: 002b:00007fff4f97a958 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 82.095895] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007fc8de938f33 [ 82.103894] RDX: 0000000000000014 RSI: 00007fc8de829000 RDI: 0000000000000001 [ 82.111894] RBP: 00007fc8de829000 R08: 00007fc8de828010 R09: 0000000000000000 [ 82.119892] R10: 00007fc8dea331c0 R11: 0000000000000246 R12: 0000000000000001 [ 82.127891] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 82.135905] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 82.151927] CR2: ffffffffb9b3c328 [ 82.155644] ---[ end trace 1a91beaac65af0d2 ]--- [ 82.160826] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 82.165220] Code: 56 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 15 70 02 [ 82.186263] RSP: 0018:ffffad2e812efe60 EFLAGS: 00010282 [ 82.192124] RAX: ffffffffb8ab1f70 RBX: 0000000000000001 RCX: 0000000000000000 [ 82.200115] RDX: 0000000000000000 RSI: ffff8dc97bc1bf70 RDI: ffffffffb96d9a70 [ 82.208111] RBP: ffffffffb9b1b490 R08: 0000000000000001 R09: 0000000000000001 [ 82.216102] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 82.224090] R13: ffffad2e812eff10 R14: ffffad2e812eff10 R15: ffff8dc904df2000 [ 82.232089] FS: 00007fc8dea10580(0000) GS:ffff8dc97bd00000(0000) knlGS:0000000000000000 [ 82.241159] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 82.247601] CR2: ffffffffb9b3c328 CR3: 0000000103f0e000 CR4: 00000000003506e0 [ 82.255599] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 82.265527] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1982, name: cat [ 82.274000] INFO: lockdep is turned off. [ 82.278387] irq event stamp: 0 [ 82.281807] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 82.288832] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 82.297984] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 82.307144] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 82.314166] CPU: 2 PID: 1982 Comm: cat Tainted: G D W 5.10.126-cip11 #1 [ 82.322842] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 82.329471] Call Trace: [ 82.332210] dump_stack+0x77/0x97 [ 82.335928] ___might_sleep.cold+0xa6/0xb6 [ 82.340522] exit_signals+0x1c/0x2d0 [ 82.344533] do_exit+0xd5/0xb00 [ 82.348056] ? ksys_write+0x68/0xe0 [ 82.351965] rewind_stack_do_exit+0x17/0x20 [ 82.356656] RIP: 0033:0x7fc8de938f33 [ 82.360664] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 82.381708] RSP: 002b:00007fff4f97a958 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 82.390192] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007fc8de938f33 [ 82.398187] RDX: 0000000000000014 RSI: 00007fc8de829000 RDI: 0000000000000001 [ 82.406185] RBP: 00007fc8de829000 R08: 00007fc8de828010 R09: 0000000000000000 [ 82.414184] R10: 00007fc8dea331c0 R11: 0000000000000246 R12: 0000000000000001 [ 82.422182] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 79.707262] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000011 # [ 79.715259] R13: ffffad2e82417f10 R14: ffffad2e82417f10 R15: ffff8dc9031d9000 # [ 79.723261] FS: 00007f0da6dea580(0000) GS:ffff8dc97bd80000(0000) knlGS:0000000000000000 # [ 79.732329] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 79.738767] CR2: 00007f0da6e19000 CR3: 0000000105850000 CR4: 00000000003506e0 # [ 79.746767] Call Trace: # [ 79.749518] direct_entry.cold+0x2c/0x38 # [ 79.753921] full_proxy_write+0x56/0x80 # [ 79.758220] vfs_write+0xea/0x390 # [ 79.761938] ksys_write+0x68/0xe0 # [ 79.765646] do_syscall_64+0x33/0x40 # [ 79.769658] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 79.775324] RIP: 0033:0x7f0da6d12f33 # [ 79.779334] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 79.800367] RSP: 002b:00007ffd6af8f558 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 79.808856] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007f0da6d12f33 # [ 79.816857] RDX: 0000000000000011 RSI: 00007f0da6c03000 RDI: 0000000000000001 # [ 79.824854] RBP: 00007f0da6c03000 R08: 00007f0da6c02010 R09: 0000000000000000 # [ 79.832854] R10: 00007f0da6e0d1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 79.840851] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 79.848857] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 79.864865] CR2: 00007f0da6e19000 # [ 79.868584] ---[ end trace 1a91beaac65af0cf ]--- # [ 79.873761] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 79.878159] Code: 56 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 15 70 02 # [ 79.899205] RSP: 0018:ffffad2e812efe60 EFLAGS: 00010282 # [ 79.905061] RAX: ffffffffb8ab1f70 RBX: 0000000000000001 RCX: 0000000000000000 # [ 79.913062] RDX: 0000000000000000 RSI: ffff8dc97bc1bf70 RDI: ffffffffb96d9a70 # [ 79.921065] RBP: ffffffffb9b1b490 R08: 0000000000000001 R09: 0000000000000001 # [ 79.929066] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 79.937070] R13: ffffad2e812eff10 R14: ffffad2e812eff10 R15: ffff8dc904df2000 # [ 79.945070] FS: 00007f0da6dea580(0000) GS:ffff8dc97bd80000(0000) knlGS:0000000000000000 # [ 79.954141] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 79.960581] CR2: 00007f0da6e19000 CR3: 0000000105850000 CR4: 00000000003506e0 # ACCESS_USERSPACE: saw 'call trace:': ok ok 37 selftests: lkdtm: ACCESS_USERSPACE.sh # selftests: lkdtm: ACCESS_NULL.sh # Killed # [ 80.277626] lkdtm: Performing direct entry ACCESS_NULL # [ 80.286059] lkdtm: attempting bad read at 0000000000000000 # [ 80.292254] BUG: kernel NULL pointer dereference, address: 0000000000000000 # [ 80.306286] #PF: supervisor read access in kernel mode # [ 80.312045] #PF: error_code(0x0000) - not-present page # [ 80.317800] PGD 0 P4D 0 # [ 80.320641] Oops: 0000 [#13] SMP PTI # [ 80.324649] CPU: 2 PID: 1912 Comm: cat Tainted: G D W 5.10.126-cip11 #1 # [ 80.333327][ 82.760111] lkdtm: Performing direct entry WRITE_KERN Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 80.3[ 82.766186] lkdtm: attempting bad 6580762 byte write at ffffffffb90f8d5a 39973] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53 # [ 80.345248] C[ 82.779981] BUG: unable to handle page fault for address: ffffffffb90f8d5a [ 82.793854] #PF: supervisor write access in kernel mode [ 82.799710] #PF: error_code(0x0003) - permissions violation [ 82.805946] PGD 77829067 P4D 77829067 PUD 7782a063 PMD 76c001e1 [ 82.812693] Oops: 0003 [#16] SMP PTI [ 82.816703] CPU: 3 PID: 2017 Comm: cat Tainted: G D W 5.10.126-cip11 #1 [ 82.825381] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 82.832020] RIP: 0010:lkdtm_WRITE_KERN+0x38/0x4e [ 82.837197] Code: 53 48 c7 c3 5a 8d 0f b9 49 89 dc 48 89 da 49 81 ec 40 23 ab b8 4c 89 e6 e8 ec 9e fd ff 48 89 df 4c 89 e1 48 c7 c6 40 23 ab b8 a4 48 c7 c7 c0 10 ac b9 e8 d1 9e fd ff 5b 41 5c e9 b7 fe ff ff [ 82.858229] RSP: 0018:ffffad2e8260fe50 EFLAGS: 00010246 [ 82.864085] RAX: 000000000000003c RBX: ffffffffb90f8d5a RCX: 0000000000646a1a [ 82.872078] RDX: 0000000000000000 RSI: ffffffffb8ab2340 RDI: ffffffffb90f8d5a [ 82.880078] RBP: ffffffffb9ac02ca R08: 0000000000000000 R09: 0000000000000000 [ 82.888078] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000646a1a [ 82.896074] R13: ffffad2e8260ff10 R14: ffffad2e8260ff10 R15: ffff8dc902ac4000 [ 82.904075] FS: 00007fd2a20a8580(0000) GS:ffff8dc97bd80000(0000) knlGS:0000000000000000 [ 82.913150] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 82.919592] CR2: ffffffffb90f8d5a CR3: 0000000104db4000 CR4: 00000000003506e0 [ 82.927586] Call Trace: [ 82.930337] direct_entry.cold+0x2c/0x38 [ 82.934740] full_proxy_write+0x56/0x80 [ 82.939040] vfs_write+0xea/0x390 [ 82.942756] ksys_write+0x68/0xe0 [ 82.946477] do_syscall_64+0x33/0x40 [ 82.950485] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 82.956149] RIP: 0033:0x7fd2a1fd0f33 [ 82.960152] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 82.981182] RSP: 002b:00007fffc9eb3458 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 82.989664] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007fd2a1fd0f33 [ 82.997652] RDX: 000000000000000b RSI: 00007fd2a1ec1000 RDI: 0000000000000001 [ 83.005645] RBP: 00007fd2a1ec1000 R08: 00007fd2a1ec0010 R09: 0000000000000000 [ 83.013641] R10: 00007fd2a20cb1c0 R11: 0000000000000246 R12: 0000000000000001 [ 83.021637] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 83.029648] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 83.045649] CR2: ffffffffb90f8d5a [ 83.049361] ---[ end trace 1a91beaac65af0d3 ]--- [ 83.054534] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 83.058926] Code: 56 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 15 70 02 [ 83.079938] RSP: 0018:ffffad2e812efe60 EFLAGS: 00010282 [ 83.085783] RAX: ffffffffb8ab1f70 RBX: 0000000000000001 RCX: 0000000000000000 [ 83.093768] RDX: 0000000000000000 RSI: ffff8dc97bc1bf70 RDI: ffffffffb96d9a70 [ 83.101766] RBP: ffffffffb9b1b490 R08: 0000000000000001 R09: 0000000000000001 [ 83.109768] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 83.117764] R13: ffffad2e812eff10 R14: ffffad2e812eff10 R15: ffff8dc904df2000 [ 83.125747] FS: 00007fd2a20a8580(0000) GS:ffff8dc97bd80000(0000) knlGS:0000000000000000 [ 83.134804] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 83.141235] CR2: ffffffffb90f8d5a CR3: 0000000104db4000 CR4: 00000000003506e0 [ 83.149229] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 83.159171] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 2017, name: cat [ 83.167654] INFO: lockdep is turned off. [ 83.172048] irq event stamp: 0 [ 83.175473] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 83.182507] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 83.191677] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 83.200843] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 83.207871] CPU: 3 PID: 2017 Comm: cat Tainted: G D W 5.10.126-cip11 #1 [ 83.216552] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 83.223186] Call Trace: [ 83.225931] dump_stack+0x77/0x97 [ 83.229650] ___might_sleep.cold+0xa6/0xb6 [ 83.234236] exit_signals+0x1c/0x2d0 [ 83.238243] do_exit+0xd5/0xb00 [ 83.241764] ? ksys_write+0x68/0xe0 [ 83.245667] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 [ 83.251131] rewind_stack_do_exit+0x17/0x20 [ 83.255813] RIP: 0033:0x7fd2a1fd0f33 [ 83.259817] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 83.280824] RSP: 002b:00007fffc9eb3458 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 83.289293] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007fd2a1fd0f33 [ 83.297281] RDX: 000000000000000b RSI: 00007fd2a1ec1000 RDI: 0000000000000001 [ 83.305264] RBP: 00007fd2a1ec1000 R08: 00007fd2a1ec0010 R09: 0000000000000000 [ 83.313251] R10: 00007fd2a20cb1c0 R11: 0000000000000246 R12: 0000000000000001 [ 83.321232] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ode: 17 9d fd ff be 00 10 00 00 48 89 ef e8 6e bb 3f ff e9 6d ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 b0 11 ac b9 e8 f1 9c fd ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 d8 11 ac b9 48 01 # [ 80.366280] RSP: 0018:ffffad2e824a7e58 EFLAGS: 00010246 # [ 80.372126] RAX: 000000000000002e RBX: 0000000000000027 RCX: 0000000000000000 # [ 80.380112] RDX: 0000000000000000 RSI: ffff8dc97bd1bf70 RDI: ffff8dc97bd1bf70 # [ 80.388102] RBP: ffffffffb9ac02a1 R08: 0000000000000000 R09: 0000000000000000 # [ 80.396095] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c # [ 80.404093] R13: ffffad2e824a7f10 R14: ffffad2e824a7f10 R15: ffff8dc905ae2000 # [ 80.412091] FS: 00007f1293c24580(0000) GS:ffff8dc97bd00000(0000) knlGS:0000000000000000 # [ 80.421147] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 80.427584] CR2: 0000000000000000 CR3: 0000000102adc000 CR4: 00000000003506e0 # [ 80.435574] Call Trace: # [ 80.438322] direct_entry.cold+0x2c/0x38 # [ 80.442723] full_proxy_write+0x56/0x80 # [ 80.447023] vfs_write+0xea/0x390 # [ 80.450737] ksys_write+0x68/0xe0 # [ 80.454448] do_syscall_64+0x33/0x40 # [ 80.458449] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 80.464100] RIP: 0033:0x7f1293b4cf33 # [ 80.468096] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 80.489095] RSP: 002b:00007ffe6a25c638 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 80.497568] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f1293b4cf33 # [ 80.505550] RDX: 000000000000000c RSI: 00007f1293a3d000 RDI: 0000000000000001 # [ 80.513545] RBP: 00007f1293a3d000 R08: 00007f1293a3c010 R09: 0000000000000000 # [ 80.521538] R10: 00007f1293c471c0 R11: 0000000000000246 R12: 0000000000000001 # [ 80.529534] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 80.537543] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 80.553564] CR2: 0000000000000000 # [ 80.557269] ---[ end trace 1a91beaac65af0d0 ]--- # [ 80.562438] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 80.566836] Code: 56 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 15 70 02 # [ 80.587873] RSP: 0018:ffffad2e812efe60 EFLAGS: 00010282 # [ 80.593731] RAX: ffffffffb8ab1f70 RBX: 0000000000000001 RCX: 0000000000000000 # [ 80.601726] RDX: 0000000000000000 RSI: ffff8dc97bc1bf70 RDI: ffffffffb96d9a70 # [ 80.609719] RBP: ffffffffb9b1b490 R08: 0000000000000001 R09: 0000000000000001 # [ 80.617702] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 80.625698] R13: ffffad2e812eff10 R14: ffffad2e812eff10 R15: ffff8dc904df2000 # [ 80.633689] FS: 00007f1293c24580(0000) GS:ffff8dc97bd00000(0000) knlGS:0000000000000000 # [ 80.642752] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 80.649192] CR2: 0000000000000000 CR3: 0000000102adc000 CR4: 00000000003506e0 # [ 80.657195] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 80.667128] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1912, name: cat # [ 80.675604] INFO: lockdep is turned off. # [ 80.679992] irq event stamp: 0 # [ 80.683413] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 80.690434] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 80.699588] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 80.708742] softirqs last disabl[ 83.702011] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW [ 83.709443] lkdtm: attempting good refcount_inc() without overflow ed at (0): [<0000000000000000>] 0x0 # [ 80.715764] CPU: 2 PID[ 83.716397] lkdtm: attempting bad refcount_inc() overflow : 1912 Comm: cat Tainted: G D W 5.10.126-cip11 #1 [ 83.728641] ------------[ cut here ]------------ # [ 80.724426] Hardware name: Google Coral/Coral, BIOS 09/29/[ 83.740004] refcount_t: saturated; leaking memory. 2020 # [ 80.731052] Call Trace: # [ 80.733797] dump_stack[ 83.751632] WARNING: CPU: 0 PID: 2052 at lib/refcount.c:22 refcount_warn_saturate+0x49/0xf0 +0x77/0x97 # [ 80.737518] ___might_sleep.cold+0xa6/0xb6 # [[ 83.767181] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 83.789394] CPU: 0 PID: 2052 Comm: cat Tainted: G D W 5.10.126-cip11 #1 [ 83.798078] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 83.804733] RIP: 0010:refcount_warn_saturate+0x49/0xf0 [ 83.810498] Code: 76 01 00 0f 84 a4 00 00 00 c3 85 f6 74 3e 80 3d 6a 1e 76 01 00 75 f2 48 c7 c7 40 bd a5 b9 c6 05 5a 1e 76 01 01 e8 33 1c 93 00 <0f> 0b c3 80 3d 4a 1e 76 01 00 75 d3 48 c7 c7 68 bd a5 b9 c6 05 3a [ 83.831532] RSP: 0018:ffffad2e8268fe48 EFLAGS: 00010286 80.742106] exit_signals+0x1c/0x2d0 # [ 80.746117] do_exi[ 83.837411] RAX: 0000000000000000 RBX: 000000000000002b RCX: 0000000000000000 [ 83.851608] RDX: ffff8dc97bc2c660 RSI: ffff8dc97bc1bf70 RDI: ffff8dc97bc1bf70 [ 83.859616] RBP: ffffffffb9ac02d5 R08: 0000000000000000 R09: 0000000000000000 [ 83.867619] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 [ 83.875622] R13: ffffad2e8268ff10 R14: ffffad2e8268ff10 R15: ffff8dc9029a9000 [ 83.883632] FS: 00007fc02b75a580(0000) GS:ffff8dc97bc00000(0000) knlGS:0000000000000000 [ 83.892718] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 83.899185] CR2: 00007fc02b573000 CR3: 00000001037b6000 CR4: 00000000003506f0 [ 83.907190] Call Trace: [ 83.909963] lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x94 t+0xd5/0xb00 # [ 80.749637] ? ksys_write+0x68/0xe0 # [ 80[ 83.915359] direct_entry.cold+0x2c/0x38 .753545] rewind_stack_do_exit+0x17/0x20 # [ 80.758223] RIP: [ 83.925979] full_proxy_write+0x56/0x80 [ 83.936541] vfs_write+0xea/0x390 0033:0x7f1293b4cf33 # [ 80.762226] Code: 8b 15 61 ef 0c 00 f7[ 83.940283] ksys_write+0x68/0xe0 [ 83.950214] do_syscall_64+0x33/0x40 [ 83.954243] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 83.959930] RIP: 0033:0x7fc02b682f33 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 [ 83.963960] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 83.991179] RSP: 002b:00007fffeb5103c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 83.999673] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fc02b682f33 [ 84.007673] RDX: 0000000000000016 RSI: 00007fc02b573000 RDI: 0000000000000001 [ 84.015681] RBP: 00007fc02b573000 R08: 00007fc02b572010 R09: 0000000000000000 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77[ 84.023685] R10: 00007fc02b77d1c0 R11: 0000000000000246 R12: 0000000000000001 [ 84.037893] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 80.783252] [ 84.045904] irq event stamp: 0 [ 84.055543] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 84.062584] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 RSP: 002b:00007ffe6a25c638 EFLAGS: 00000246 ORIG_RAX: 0000000000[ 84.071762] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 000001 # [ 80.791736] RAX: ffffffffffffffda RBX: 000000000000[ 84.087129] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 84.100386] ---[ end trace 1a91beaac65af0d4 ]--- [ 84.105568] lkdtm: Overflow detected: saturated 000c RCX: 00007f1293b4cf33 # [ 80.799730] RDX: 000000000000000c RSI: 00007f1293a3d000 RDI: 0000000000000001 # [ 80.807733] RBP: 00007f1293a3d000 R08: 00007f1293a3c010 R09: 0000000000000000 # [ 80.815734] R10: 00007f1293c471c0 R11: 0000000000000246 R12: 0000000000000001 # [ 80.823731] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # ACCESS_NULL: saw 'call trace:': ok ok 38 selftests: lkdtm: ACCESS_NULL.sh # selftests: lkdtm: WRITE_RO.sh # Killed # [ 81.152569] lkdtm: Performing direct entry WRITE_RO # [ 81.161447] lkdtm: attempting bad rodata write at ffffffffb96d9ef0 # [ 81.168441] BUG: unable to handle page fault for address: ffffffffb96d9ef0 # [ 81.176144] #PF: supervisor write access in kernel mode # [ 81.181993] #PF: error_code(0x0003) - permissions violation # [ 81.194454] PGD 77829067 P4D 77829067 PUD 7782a063 PMD 80000000772001e1 # [ 81.208213] Oops: 0003 [#14] SMP PTI # [ 81.212224] CPU: 1 PID: 1947 Comm: cat Tainted: G D W 5.10.126-cip11 #1 # [ 81.220898] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 81.233767] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a # [ 81.238745] Code: 00 48 c7 c7 90 10 ac b9 48 c7 c6 f0 9e 6d b9 e8 93 9f fd ff 48 8b 05 10 11 5e 00 ba 34 12 cd ab 48 c7 c7 c0 10 ac b9 48 31 d0 <48> 89 05 fa 10 5e 00 e9 71 9f fd ff 0f 1f 44 00 00 48 8b 05 21 35 # [ 81.259785] RSP: 0018:ffffad2e82527e60 EFLAGS: 00010202 # [ 81.265646] RAX: 000000000198b861 RBX: 0000000000000028 RCX: 0000000000000000 # [ 81.273644] RDX: 00000000abcd1234 RSI: ffff8dc97bc9bf70 RDI: ffffffffb9ac10c0 # [ 81.281643] RBP: ffffffffb9ac02ad R08: 0000000000000000 R09: 0000000000000000 # [ 81.289634] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000009 # [ 81.297633] R13: ffffad2e82527f10 R14: ffffad2e82527f10 R15: ffff8dc902ad0000 # [ 81.305634] FS: 00007fec28efa580(0000) GS:ffff8dc97bc80000(0000) knlGS:0000000000000000 # [ 81.314705] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 81.321148] CR2: ffffffffb96d9ef0 CR3: 00000001059ee000 CR4: 00000000003506e0 # [ 81.329147] Call Trace: # [ 81.331897] direct_entry.cold+0x2c/0x38 # [ 81.336303] full_proxy_write+0x56/0x80 # [ 81.340609] vfs_write+0xea/0x390 # [ 81.344329] ksys_write+0x68/0xe0 # [ 81.348046] do_syscall_64+0x33/0x40 # [ 81.352055] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 81.357718] RIP: 0033:0x7fec28e22f33 # [ 81.361725] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 81.382779] RSP: 002b:00007fff48ef8ad8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 81.391271] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007fec28e22f33 # [ 81.399272] RDX: 0000000000000009 RSI: 00007fec28d13000 RDI: 0000000000000001 # [ 81.407271] RBP: 00007fec28d13000 R08: 00007fec28d12010 R09: 0000000000[ 84.402911] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW 000000 # [ 81.415268] R10: 00007fec28f1d1c0 R11: 000000000000[ 84.410096] lkdtm: attempting good refcount_add() without overflow 0246 R12: 0000000000000001 # [ 81.423269] R13: 00000000000000[ 84.423234] lkdtm: attempting bad refcount_add() overflow 01 R14: 0000000000020000 R15: 0000000000020000 # [ 81.431280][ 84.435565] ------------[ cut here ]------------ Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_char[ 84.447203] refcount_t: saturated; leaking memory. dev cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_d[ 84.458627] WARNING: CPU: 3 PID: 2084 at lib/refcount.c:22 refcount_warn_saturate+0x49/0xf0 ev cros_usbpd_notify # [ 81.447298] CR2: ffffffffb96d9ef0 # [ 84.474388] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 81.451017] ---[ end trace 1a91beaac65af0d1 ]--- # [ 81.45[ 84.496553] CPU: 3 PID: 2084 Comm: cat Tainted: G D W 5.10.126-cip11 #1 6196] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 81.460587] Code: 56 a5[ 84.511385] Hardware name: Google Coral/Coral, BIOS 09/29/2020 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 [ 84.524216] RIP: 0010:refcount_warn_saturate+0x49/0xf0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b[ 84.536174] Code: 76 01 00 0f 84 a4 00 00 00 c3 85 f6 74 3e 80 3d 6a 1e 76 01 00 75 f2 48 c7 c7 40 bd a5 b9 c6 05 5a 1e 76 01 01 e8 33 1c 93 00 <0f> 0b c3 80 3d 4a 1e 76 01 00 75 d3 48 c7 c7 68 bd a5 b9 c6 05 3a 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 15 70 02 # [ 84.563473] RSP: 0018:ffffad2e82717e48 EFLAGS: 00010286 [ 81.481639] RSP: 0018:ffffad2e812efe60 EFLAGS: 00010282 # [ [ 84.575565] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000 81.487494] RAX: ffffffffb8ab1f70 RBX: 0000000000000001 RCX: 00[ 84.589833] RDX: ffff8dc97bdac660 RSI: ffff8dc97bd9bf70 RDI: ffff8dc97bd9bf70 00000000000000 # [ 81.495493] RDX: 0000000000000000 RSI: ffff[ 84.604123] RBP: ffffffffb9ac02eb R08: 0000000000000000 R09: 0000000000000000 8dc97bc1bf70 RDI: ffffffffb96d9a70 # [ 81.503491] RBP: ffffff[ 84.618246] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 ffb9b1b490 R08: 0000000000000001 R09: 0000000000000001 # [ 81[ 84.632526] R13: ffffad2e82717f10 R14: ffffad2e82717f10 R15: ffff8dc9034c0000 .511490] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000[ 84.646737] FS: 00007f5ef8d9d580(0000) GS:ffff8dc97bd80000(0000) knlGS:0000000000000000 0000000004 # [ 81.519489] R13: ffffad2e812eff10 R14: ffffad2e[ 84.662068] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 812eff10 R15: ffff8dc904df2000 # [ 81.527491] FS: 00007fec28[ 84.674706] CR2: 00007f5ef8bb6000 CR3: 0000000104fc4000 CR4: 00000000003506e0 efa580(0000) GS:ffff8dc97bc80000(0000) knlGS:0000000000000000 #[ 84.688975] Call Trace: [ 81.536560] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003[ 84.697950] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa3 3 # [ 81.543002] CR2: ffffffffb96d9ef0 CR3: 00000001059ee000 [ 84.709572] direct_entry.cold+0x2c/0x38 CR4: 00000000003506e0 # WRITE_RO: saw 'call trace:': ok ok 39 [ 84.720192] full_proxy_write+0x56/0x80 selftests: lkdtm: WRITE_RO.sh # selftests: lkdtm: WRITE_RO_AFTE[ 84.730760] vfs_write+0xea/0x390 R_INIT.sh # Killed # [ 81.852285] lkdtm: Performing direct e[ 84.740694] ksys_write+0x68/0xe0 ntry WRITE_RO_AFTER_INIT # [ 81.863089] lkdtm: attempting bad[ 84.750672] do_syscall_64+0x33/0x40 ro_after_init write at ffffffffb9b3c328 # [ 81.870777] BUG: [ 84.760920] entry_SYSCALL_64_after_hwframe+0x44/0xa9 unable to handle page fault for address: ffffffffb9b3c328 # [ [ 84.772840] RIP: 0033:0x7f5ef8cc5f33 81.878490] #PF: supervisor write access in kernel mode # [ 8[ 84.783070] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 1.890487] #PF: error_code(0x0003) - permissions violation # [ [ 84.810349] RSP: 002b:00007ffc6029bb18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 81.896736] PGD 77829067 P4D 77829067 PUD 7782a063 PMD 1047c9163[ 84.825008] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f5ef8cc5f33 PTE 800000007773c061 # [ 81.911744] Oops: 0003 [#15] SMP PTI[ 84.839228] RDX: 0000000000000016 RSI: 00007f5ef8bb6000 RDI: 0000000000000001 # [ 81.915751] CPU: 2 PID: 1982 Comm: cat Tainted: G D [ 84.853430] RBP: 00007f5ef8bb6000 R08: 00007f5ef8bb5010 R09: 0000000000000000 W 5.10.126-cip11 #1 # [ 81.930655] Hardware name: Goo[ 84.867747] R10: 00007f5ef8dc01c0 R11: 0000000000000246 R12: 0000000000000001 gle Coral/Coral, BIOS 09/29/2020 # [ 81.937303] RIP: 0010:lk[ 84.881920] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 dtm_WRITE_RO_AFTER_INIT+0x4e/0x5a # [ 81.943358] Code: 10 ac [ 84.896189] irq event stamp: 0 b9 e9 45 9f fd ff 48 c7 c7 18 11 ac b9 e8 39 9f fd ff 48 8b 05 e[ 84.905781] hardirqs last enabled at (0): [<0000000000000000>] 0x0 e 34 a4 00 ba 34 12 cd ab 48 c7 c7 c0 10 ac b9 48 31 d0 <48> 89 [ 84.919061] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 05 d8 34 a4 00 e9 17 9f fd ff 0f 1f 44 00 00 41 54 48 c7 c7 # [[ 84.934469] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 81.964409] RSP: 0018:ffffad2e8259fe60 EFLAGS: 00010202 # [ [ 84.949860] softirqs last disabled at (0): [<0000000000000000>] 0x0 81.970269] RAX: 00000000fe67479e RBX: 0000000000000029 RCX: 000[ 84.963179] ---[ end trace 1a91beaac65af0d5 ]--- 0000000000000 # [ 81.978267] RDX: 00000000abcd1234 RSI: ffff8[ 84.974572] lkdtm: Overflow detected: saturated dc97bd1bf70 RDI: ffffffffb9ac10c0 # [ 81.986266] RBP: ffffffffb9ac02b6 R08: 0000000000000000 R09: 0000000000000000 # [ 81.994264] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000014 # [ 82.002260] R13: ffffad2e8259ff10 R14: ffffad2e8259ff10 R15: ffff8dc9059e6000 # [ 82.010259] FS: 00007fc8dea10580(0000) GS:ffff8dc97bd00000(0000) knlGS:0000000000000000 # [ 82.019327] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 82.025768] CR2: ffffffffb9b3c328 CR3: 0000000103f0e000 CR4: 00000000003506e0 # [ 82.033768] Call Trace: # [ 82.036519] direct_entry.cold+0x2c/0x38 # [ 82.040928] full_proxy_write+0x56/0x80 # [ 82.045236] vfs_write+0xea/0x390 # [ 82.048957] ksys_write+0x68/0xe0 # [ 82.052678] do_syscall_64+0x33/0x40 # [ 82.056692] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 82.062357] RIP: 0033:0x7fc8de938f33 # [ 82.066365] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 82.087410] RSP: 002b:00007fff4f97a958 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 82.095895] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007fc8de938f33 # [ 82.103894] RDX: 0000000000000014 RSI: 00007fc8de829000 RDI: 0000000000000001 # [ 82.111894] RBP: 00007fc8de829000 R08: 00007fc8de828010 R09: 0000000000000000 # [ 82.119892] R10: 00007fc8dea331c0 R11: 0000000000000246 R12: 0000000000000001 # [ 82.127891] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 82.135905] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 82.151927] CR2: ffffffffb9b3c328 # [ 82.155644] ---[ end trace 1a91beaac65af0d2 ]--- # [ 82.160826] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 82.165220] Code: 56 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 15 70 02 # [ 82.186263] RSP: 0018:ffffad2e812efe60 EFLAGS: 00010282 # [ 82.192124] RAX: ffffffffb8ab1f70 RBX: 0000000000000001 RCX: 0000000000000000 # [ 82.200115] RDX: 0000000000000000 RSI: ffff8dc97bc1bf70 RDI: ffffffffb96d9a70 # [ 82.208111] RBP: ffffffffb9b1b490 R08: 0000000000000001 R09: 0000000000000001 # [ 82.216102] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 82.224090] R13: ffffad2e812eff10 R14: ffffad2e812eff10 R15: ffff8dc904df2000 # [ 82.232089] FS: 00007fc8dea10580(0000) GS:ffff8dc97bd00000(0000) knlGS:0000000000000000 # [ 82.241159] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 82.247601] CR2: ffffffffb9b3c328 CR3: 0000000103f0e000 CR4: 00000000003506e0 # [ 82.255599] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 82.265527] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1982, name: cat # [ 82.274000] INFO: lockdep is turned off. # [ 82.278387] irq event stamp: 0 # [ 82.281807] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 82.288832] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 82.297984] softirqs last enabled at (0): [] copy_proces[ 85.315177] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW [ 85.323828] lkdtm: attempting bad refcount_inc_not_zero() overflow [ 85.330784] ------------[ cut here ]------------ [ 85.335989] refcount_t: saturated; leaking memory. s+0x63c/0x1c80 # [ 82.307144] softirqs last disabled at (0): [ 85.341426] WARNING: CPU: 0 PID: 2116 at lib/refcount.c:19 refcount_warn_saturate+0x87/0xf0 [<0000000000000000>] 0x0 # [ 82.314166] CPU: 2 PID: 1982 Comm[ 85.357002] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify : cat Tainted: G D W 5.10.126-cip11 #1 # [ 82.32[ 85.379274] CPU: 0 PID: 2116 Comm: cat Tainted: G D W 5.10.126-cip11 #1 2842] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ [ 85.394200] Hardware name: Google Coral/Coral, BIOS 09/29/2020 82.329471] Call Trace: # [ 82.332210] dump_stack+0x77/0x97[ 85.407091] RIP: 0010:refcount_warn_saturate+0x87/0xf0 # [ 82.335928] ___might_sleep.cold+0xa6/0xb6 # [ 82.34052[ 85.419098] Code: 05 3a 1e 76 01 01 e8 14 1c 93 00 0f 0b c3 80 3d 2d 1e 76 01 00 75 b4 48 c7 c7 40 bd a5 b9 c6 05 1d 1e 76 01 01 e8 f5 1b 93 00 <0f> 0b c3 80 3d 0b 1e 76 01 00 75 95 48 c7 c7 98 bd a5 b9 c6 05 fb 2] exit_signals+0x1c/0x2d0 [ 85.446398] RSP: 0018:ffffad2e827a7e38 EFLAGS: 00010282 # [ 82.344533] do_exit+0xd5/0xb00[ 85.455084] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 [ 85.466608] RDX: ffff8dc97bc2c660 RSI: ffff8dc97bc1bf70 RDI: ffff8dc97bc1bf70 # [ 82.348056] ? ksys_write+0x68/0xe0 [ 85.474627] RBP: ffffffffb9abff28 R08: 0000000000000000 R09: 0000000000000000 [ 85.486925] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 82.351965] rewind_stack_do_exit+0x17/0x20[ 85.494949] R13: ffffad2e827a7f10 R14: ffffad2e827a7f10 R15: ffff8dc90358f000 # [ 82.356656] RIP: 0033:0x7fc8de938f33 [ 85.507639] FS: 00007f7accdf2580(0000) GS:ffff8dc97bc00000(0000) knlGS:0000000000000000 # [ 82.360664] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0[ 85.521115] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 [ 85.533787] CR2: 00007f7accc0b000 CR3: 0000000102a3a000 CR4: 00000000003506f0 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48[ 85.548036] Call Trace: 83 ec 28 48 89 54 24 18 [ 85.557046] __refcount_add_not_zero.constprop.0+0x2a/0x31 # [ 82.381708] RSP: 002b:00007fff4f97a958 EFLAGS: 00000246 ORI[ 85.565730] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x72 G_RAX: 0000000000000001 # [ 82.390192] RAX: ffffffffffffffda [ 85.578221] direct_entry.cold+0x2c/0x38 RBX: 0000000000000014 RCX: 00007fc8de938f33 # [ 82.398187] RD[ 85.588866] full_proxy_write+0x56/0x80 X: 0000000000000014 RSI: 00007fc8de829000 RDI: 0000000000000001[ 85.599397] vfs_write+0xea/0x390 # [ 82.406185] RBP: 00007fc8de829000 R08: 00007fc8de828010 R0[ 85.609356] ksys_write+0x68/0xe0 9: 0000000000000000 # [ 82.414184] R10: 00007fc8dea331c0 R11:[ 85.619305] do_syscall_64+0x33/0x40 0000000000000246 R12: 0000000000000001 # [ 82.422182] R13: 0[ 85.629550] entry_SYSCALL_64_after_hwframe+0x44/0xa9 000000000000001 R14: 0000000000020000 R15: 0000000000020000 # W[ 85.641456] RIP: 0033:0x7f7accd1af33 RITE_RO_AFTER_INIT: saw 'call trace:': ok ok 40 selftests: lkdt[ 85.651715] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 m: WRITE_RO_AFTER_INIT.sh[ 85.679010] RSP: 002b:00007ffc85883028 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 85.689950] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f7accd1af33 [ 85.698155] RDX: 000000000000001f RSI: 00007f7accc0b000 RDI: 0000000000000001 # selftests: lkdtm: WRITE_KERN.sh[ 85.706183] RBP: 00007f7accc0b000 R08: 00007f7accc0a010 R09: 0000000000000000 [ 85.717409] R10: 00007f7acce151c0 R11: 0000000000000246 R12: 0000000000000001 [ 85.725428] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # Killed # [ 82.760111] lkdtm: Performing direct entry WRITE_[ 85.733653] irq event stamp: 0 KERN [ 85.743317] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 82.766186] lkdtm: attempting bad 6580762 byte write at fff[ 85.750937] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 fffffb90f8d5a[ 85.766345] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 82.779981] BUG: unable to handle page fault for address:[ 85.776789] softirqs last disabled at (0): [<0000000000000000>] 0x0 ffffffffb90f8d5a # [ 82.793854] #PF: supervisor write access[ 85.790062] ---[ end trace 1a91beaac65af0d6 ]--- in kernel mode # [ 82.799710] #PF: error_code(0x0003) - perm[ 85.801479] lkdtm: Overflow detected: saturated issions violation # [ 82.805946] PGD 77829067 P4D 77829067 PUD 7782a063 PMD 76c001e1 # [ 82.812693] Oops: 0003 [#16] SMP PTI # [ 82.816703] CPU: 3 PID: 2017 Comm: cat Tainted: G D W 5.10.126-cip11 #1 # [ 82.825381] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 82.832020] RIP: 0010:lkdtm_WRITE_KERN+0x38/0x4e # [ 82.837197] Code: 53 48 c7 c3 5a 8d 0f b9 49 89 dc 48 89 da 49 81 ec 40 23 ab b8 4c 89 e6 e8 ec 9e fd ff 48 89 df 4c 89 e1 48 c7 c6 40 23 ab b8 a4 48 c7 c7 c0 10 ac b9 e8 d1 9e fd ff 5b 41 5c e9 b7 fe ff ff # [ 82.858229] RSP: 0018:ffffad2e8260fe50 EFLAGS: 00010246 # [ 82.864085] RAX: 000000000000003c RBX: ffffffffb90f8d5a RCX: 0000000000646a1a # [ 82.872078] RDX: 0000000000000000 RSI: ffffffffb8ab2340 RDI: ffffffffb90f8d5a # [ 82.880078] RBP: ffffffffb9ac02ca R08: 0000000000000000 R09: 0000000000000000 # [ 82.888078] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000646a1a # [ 82.896074] R13: ffffad2e8260ff10 R14: ffffad2e8260ff10 R15: ffff8dc902ac4000 # [ 82.904075] FS: 00007fd2a20a8580(0000) GS:ffff8dc97bd80000(0000) knlGS:0000000000000000 # [ 82.913150] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 82.919592] CR2: ffffffffb90f8d5a CR3: 0000000104db4000 CR4: 00000000003506e0 # [ 82.927586] Call Trace: # [ 82.930337] direct_entry.cold+0x2c/0x38 # [ 82.934740] full_proxy_write+0x56/0x80 # [ 82.939040] vfs_write+0xea/0x390 # [ 82.942756] ksys_write+0x68/0xe0 # [ 82.946477] do_syscall_64+0x33/0x40 # [ 82.950485] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 82.956149] RIP: 0033:0x7fd2a1fd0f33 # [ 82.960152] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 82.981182] RSP: 002b:00007fffc9eb3458 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 82.989664] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007fd2a1fd0f33 # [ 82.997652] RDX: 000000000000000b RSI: 00007fd2a1ec1000 RDI: 0000000000000001 # [ 83.005645] RBP: 00007fd2a1ec1000 R08: 00007fd2a1ec0010 R09: 0000000000000000 # [ 83.013641] R10: 00007fd2a20cb1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 83.021637] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 83.029648] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 83.045649] CR2: ffffffffb90f8d5a # [ 83.049361] ---[ end trace 1a91beaac65af0d3 ]--- # [ 83.054534] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 83.058926] Code: 56 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 15 70 02 # [ 83.079938] RSP: 0018:ffffad2e812efe60 EFLAGS: 00010282 # [ 83.085783] RAX: ffffffffb8ab1f70 RBX: 0000000000000001 RCX: 0000000000000000 # [ 83.093768] RDX: 0000000000000000 RSI: ffff8dc97bc1bf70 RDI: ffffffffb96d9a70 # [ 83.101766] RBP: ffffffffb9b1b490 R08: 0000000000000001 R09: 0000000000000001 # [ 83.109768] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 83.117764] R13: ffffad2e812eff10 R14: ffffad2e812eff10 R15: ffff8dc904df2000 # [ 83.125[ 86.137257] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW [ 86.150864] lkdtm: attempting bad refcount_add_not_zero() overflow [ 86.157834] ------------[ cut here ]------------ [ 86.163038] refcount_t: saturated; leaking memory. [ 86.168479] WARNING: CPU: 2 PID: 2148 at lib/refcount.c:19 refcount_warn_saturate+0x87/0xf0 [ 86.177869] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 86.193919] CPU: 2 PID: 2148 Comm: cat Tainted: G D W 5.10.126-cip11 #1 [ 86.202631] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 86.209298] RIP: 0010:refcount_warn_saturate+0x87/0xf0 [ 86.215085] Code: 05 3a 1e 76 01 01 e8 14 1c 93 00 0f 0b c3 80 3d 2d 1e 76 01 00 75 b4 48 c7 c7 40 bd a5 b9 c6 05 1d 1e 76 01 01 e8 f5 1b 93 00 <0f> 0b c3 80 3d 0b 1e 76 01 00 75 95 48 c7 c7 98 bd a5 b9 c6 05 fb 747] FS: 00007fd2a20a8580(0000) GS:ffff8dc97bd80000(0000) knlGS[ 86.236160] RSP: 0018:ffffad2e82827e38 EFLAGS: 00010282 [ 86.248262] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 [ 86.256283] RDX: ffff8dc97bd2c660 RSI: ffff8dc97bd1bf70 RDI: ffff8dc97bd1bf70 [ 86.264309] RBP: ffffffffb9abff48 R08: 0000000000000000 R09: 0000000000000000 [ 86.272334] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f [ 86.280354] R13: ffffad2e82827f10 R14: ffffad2e82827f10 R15: ffff8dc904c84000 [ 86.288377] FS: 00007f9e43148580(0000) GS:ffff8dc97bd00000(0000) knlGS:0000000000000000 [ 86.297469] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 86.303930] CR2: 00007f9e42f61000 CR3: 0000000102a06000 CR4: 00000000003506e0 [ 86.311953] Call Trace: [ 86.314724] __refcount_add_not_zero.constprop.0+0x2a/0x31 [ 86.320906] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x72 [ 86.327181] direct_entry.cold+0x2c/0x38 [ 86.331611] full_proxy_write+0x56/0x80 [ 86.335946] vfs_write+0xea/0x390 [ 86.339688] ksys_write+0x68/0xe0 [ 86.343431] do_syscall_64+0x33/0x40 [ 86.347463] entry_SYSCALL_64_after_hwframe+0x44/0xa9 :0000000000000000 # [ 83.134804] CS: 0010 DS: 0000 ES: 0000 [ 86.353152] RIP: 0033:0x7f9e43070f33 [ 86.363407] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 86.384487] RSP: 002b:00007ffcdacdee38 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 86.393003] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f9e43070f33 [ 86.401033] RDX: 000000000000001f RSI: 00007f9e42f61000 RDI: 0000000000000001 [ 86.409053] RBP: 00007f9e42f61000 R08: 00007f9e42f60010 R09: 0000000000000000 CR0: 0000000080050033 # [ 83.141235] CR2: ffffffffb90f8d5a CR[ 86.417075] R10: 00007f9e4316b1c0 R11: 0000000000000246 R12: 0000000000000001 [ 86.431317] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 3: 0000000104db4000 CR4: 00000000003506e0 # [ 83.149229] BUG:[ 86.439343] irq event stamp: 0 [ 86.448989] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 86.456044] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 86.465243] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 86.474431] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 86.481465] ---[ end trace 1a91beaac65af0d7 ]--- [ 86.486690] lkdtm: Overflow detected: saturated sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 83.159171] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 2017, name: cat # [ 83.167654] INFO: lockdep is turned off. # [ 83.172048] irq event stamp: 0 # [ 83.175473] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 83.182507] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 83.191677] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 83.200843] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 83.207871] CPU: 3 PID: 2017 Comm: cat Tainted: G D W 5.10.126-cip11 #1 # [ 83.216552] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 83.223186] Call Trace: # [ 83.225931] dump_stack+0x77/0x97 # [ 83.229650] ___might_sleep.cold+0xa6/0xb6 # [ 83.234236] exit_signals+0x1c/0x2d0 # [ 83.238243] do_exit+0xd5/0xb00 # [ 83.241764] ? ksys_write+0x68/0xe0 # [ 83.245667] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 # [ 83.251131] rewind_stack_do_exit+0x17/0x20 # [ 83.255813] RIP: 0033:0x7fd2a1fd0f33 # [ 83.259817] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 83.280824] RSP: 002b:00007fffc9eb3458 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 83.289293] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007fd2a1fd0f33 # [ 83.297281] RDX: 000000000000000b RSI: 00007fd2a1ec1000 RDI: 0000000000000001 # [ 83.305264] RBP: 00007fd2a1ec1000 R08: 00007fd2a1ec0010 R09: 0000000000000000 # [ 83.313251] R10: 00007fd2a20cb1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 83.321232] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # WRITE_KERN: saw 'call trace:': ok ok 41 selftests: lkdtm: WRITE_KERN.sh # selftests: lkdtm: REFCOUNT_INC_OVERFLOW.sh # [ 83.702011] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW # [ 83.709443] lkdtm: attempting good refcount_inc() without overflow # [ 83.716397] lkdtm: attempting bad refcount_inc() overflow # [ 83.728641] ------------[ cut here ]------------ # [ 83.740004] refcount_t: saturated; leaking memory. # [ 83.751632] WARNING: CPU: 0 PID: 2052 at lib/refcount.c:22 refcount_warn_saturate+0x49/0xf0 # [ 83.767181] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 83.789394] CPU: 0 PID: 2052 Comm: cat Tainted: G D W 5.10.126-cip11 #1 # [ 83.798078] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 83.804733] RIP: 0010:refcount_warn_saturate+0x49/0xf0 # [ 83.810498] Code: 76 01 00 0f 84 a4 00 00 00 c3 85 f6 74 3e 80 3d 6a 1e 76 01 00 75 f2 48 c7 c7 40 bd a5 b9 c6 05 5a 1e 76 01 01 e8 33 1c 93 00 <0f> 0b c3 80 3d 4a 1e 76 01 00 75 d3 48 c7 c7 68 bd a5 b9 c6 05 3a # [ 83.831532] RSP: 0018:ffffad2e8268fe48 EFLAGS: 00010286 # [ 83.837411] RAX: 0000000000000000 RBX: 0000000[ 86.796101] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO 00000002b RCX: 0000000000000000 # [ 83.851608] RDX: ffff8dc97[ 86.803366] lkdtm: attempting good refcount_dec() bc2c660 RSI: ffff8dc97bc1bf70 RDI: ffff8dc97bc1bf70 # [ 83.85[ 86.814863] lkdtm: attempting bad refcount_dec() to zero 9616] RBP: ffffffffb9ac02d5 R08: 0000000000000000 R09: 000000000[ 86.827099] ------------[ cut here ]------------ 0000000 # [ 83.867619] R10: 00000000ffffe000 R11: 3ffffffffff[ 86.838534] refcount_t: decrement hit 0; leaking memory. fffff R12: 0000000000000016 # [ 83.875622] R13: ffffad2e8268f[ 86.850761] WARNING: CPU: 3 PID: 2180 at lib/refcount.c:31 refcount_warn_saturate+0xdf/0xf0 f10 R14: ffffad2e8268ff10 R15: ffff8dc9029a9000 # [ 83.883632[ 86.866293] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify ] FS: 00007fc02b75a580(0000) GS:ffff8dc97bc00000(0000) knlGS:00[ 86.888499] CPU: 3 PID: 2180 Comm: cat Tainted: G D W 5.10.126-cip11 #1 00000000000000 # [ 83.892718] CS: 0010 DS: 0000 ES: 0000 CR0[ 86.903407] Hardware name: Google Coral/Coral, BIOS 09/29/2020 : 0000000080050033 # [ 83.899185] CR2: 00007fc02b573000 CR3: [ 86.916305] RIP: 0010:refcount_warn_saturate+0xdf/0xf0 00000001037b6000 CR4: 00000000003506f0 # [ 83.907190] Call Tr[ 86.928345] Code: ff 48 c7 c7 f0 bd a5 b9 c6 05 d6 1d 76 01 01 e8 b3 1b 93 00 0f 0b c3 48 c7 c7 c0 bd a5 b9 c6 05 c1 1d 76 01 01 e8 9d 1b 93 00 <0f> 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b 07 3d 00 00 ace: # [ 83.909963] lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x94 #[ 86.955638] RSP: 0018:ffffad2e828cfe48 EFLAGS: 00010286 [ 83.915359] direct_entry.cold+0x2c/0x38 # [ 83.925979] [ 86.967719] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000 full_proxy_write+0x56/0x80 # [ 83.936541] vfs_write+0xea/0x3[ 86.981968] RDX: ffff8dc97bdac660 RSI: ffff8dc97bd9bf70 RDI: ffff8dc97bd9bf70 90 # [ 83.940283] ksys_write+0x68/0xe0 # [ 83.950214] do[ 86.996241] RBP: ffffffffb9ac0301 R08: 0000000000000000 R09: 0000000000000000 _syscall_64+0x33/0x40 # [ 83.954243] entry_SYSCALL_64_after_[ 87.010479] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 hwframe+0x44/0xa9 # [ 83.959930] RIP: 0033:0x7fc02b682f33 # [ 87.024757] R13: ffffad2e828cff10 R14: ffffad2e828cff10 R15: ffff8dc904057000 [ 83.963960] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 f[ 87.038979] FS: 00007f9a10386580(0000) GS:ffff8dc97bd80000(0000) knlGS:0000000000000000 f ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8[ 87.054315] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 8[ 87.066991] CR2: 00007f9a1019f000 CR3: 00000001059ae000 CR4: 00000000003506e0 3 ec 28 48 89 54 24 18 # [ 83.991179] RSP: 002b:00007fffeb510[ 87.081297] Call Trace: 3c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 83.999673[ 87.090517] lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xb9 ] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fc02b682[ 87.101541] direct_entry.cold+0x2c/0x38 f33 # [ 84.007673] RDX: 0000000000000016 RSI: 00007fc02b57300[ 87.112347] full_proxy_write+0x56/0x80 0 RDI: 0000000000000001 # [ 84.015681] RBP: 00007fc02b573000 [ 87.122697] vfs_write+0xea/0x390 R08: 00007fc02b572010 R09: 0000000000000000 # [ 84.023685] R1[ 87.132773] ksys_write+0x68/0xe0 0: 00007fc02b77d1c0 R11: 0000000000000246 R12: 0000000000000001[ 87.142641] do_syscall_64+0x33/0x40 # [ 84.037893] R13: 0000000000000001 R14: 0000000000020000 R1[ 87.152925] entry_SYSCALL_64_after_hwframe+0x44/0xa9 5: 0000000000020000 # [ 84.045904] irq event stamp: 0 # [ [ 87.164799] RIP: 0033:0x7f9a102aef33 84.055543] hardirqs last enabled at (0): [<0000000000000000>] 0[ 87.175054] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 x0 # [ 84.062584] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 84.071762] softirqs la[ 87.217004] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f9a102aef33 st enabled at (0): [] copy_process+0x63c/0x1c[ 87.231200] RDX: 0000000000000012 RSI: 00007f9a1019f000 RDI: 0000000000000001 80 # [ 84.087129] softirqs last disabled at (0): [<0000000000[ 87.245435] RBP: 00007f9a1019f000 R08: 00007f9a1019e010 R09: 0000000000000000 000000>] 0x0 # [ 84.100386] ---[ end trace 1a91beaac65af0d4 ][ 87.259637] R10: 00007f9a103a91c0 R11: 0000000000000246 R12: 0000000000000001 --- # [ 84.105568] lkdtm: Overflow detected: saturated # REF[ 87.273876] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 COUNT_INC_OVERFLOW: saw 'call trace:': ok ok 42 selftests: lkdt[ 87.288103] irq event stamp: 0 m: REFCOUNT_INC_OVERFLOW.sh # selftests: lkdtm: REFCOUNT_ADD_OV[ 87.297772] hardirqs last enabled at (0): [<0000000000000000>] 0x0 ERFLOW.sh # [ 84.402911] lkdtm: Performing direct entry REFCO[ 87.311015] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 UNT_ADD_OVERFLOW # [ 84.410096] lkdtm: attempting good refcou[ 87.326463] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 nt_add() without overflow # [ 84.423234] lkdtm: attempting ba[ 87.341838] softirqs last disabled at (0): [<0000000000000000>] 0x0 d refcount_add() overflow # [ 84.435565] ------------[ cut he[ 87.355109] ---[ end trace 1a91beaac65af0d8 ]--- re ]------------ # [ 84.447203] refcount_t: saturated; leakin[ 87.366530] lkdtm: Zero detected: saturated g memory. # [ 84.458627] WARNING: CPU: 3 PID: 2084 at lib/refcount.c:22 refcount_warn_saturate+0x49/0xf0 # [ 84.474388] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 84.496553] CPU: 3 PID: 2084 Comm: cat Tainted: G D W 5.10.126-cip11 #1 # [ 84.511385] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 84.524216] RIP: 0010:refcount_warn_saturate+0x49/0xf0 # [ 84.536174] Code: 76 01 00 0f 84 a4 00 00 00 c3 85 f6 74 3e 80 3d 6a 1e 76 01 00 75 f2 48 c7 c7 40 bd a5 b9 c6 05 5a 1e 76 01 01 e8 33 1c 93 00 <0f> 0b c3 80 3d 4a 1e 76 01 00 75 d3 48 c7 c7 68 bd a5 b9 c6 05 3a # [ 84.563473] RSP: 0018:ffffad2e82717e48 EFLAGS: 00010286 # [ 84.575565] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000 # [ 84.589833] RDX: ffff8dc97bdac660 RSI: ffff8dc97bd9bf70 RDI: ffff8dc97bd9bf70 # [ 84.604123] RBP: ffffffffb9ac02eb R08: 0000000000000000 R09: 0000000000000000 # [ 84.618246] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 84.632526] R13: ffffad2e82717f10 R14: ffffad2e82717f10 R15: ffff8dc9034c0000 # [ 84.646737] FS: 00007f5ef8d9d580(0000) GS:ffff8dc97bd80000(0000) knlGS:0000000000000000 # [ 84.662068] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 84.674706] CR2: 00007f5ef8bb6000 CR3: 0000000104fc4000 CR4: 00000000003506e0 # [ 84.688975] Call Trace: # [ 84.697950] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa3 # [ 84.709572] direct_entry.cold+0x2c/0x38 # [ 84.720192] full_proxy_write+0x56/0x80 # [ 84.730760] vfs_write+0xea/0x390 # [ 84.740694] ksys_write+0x68/0xe0 # [ 84.750672] do_syscall_64+0x33/0x40 # [ 84.760920] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 84.772840] RIP: 0033:0x7f5ef8cc5f33 # [ 84.783070] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 84.810349] RSP: 002b:00007ffc6029bb18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 84.825008] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f5ef8cc5f33 # [ 84.839228] RDX: 0000000000000016 RSI: 00007f5ef8bb6000 RDI: 0000000000000001 # [ 84.853430] RBP: 00007f5ef8bb6000 R08: 00007f5ef8bb5010 R09: 0000000000000000 # [ 84.867747] R10: 00007f5ef8dc01c0 R11: 0000000000000246 R12: 0000000000000001 # [ 84.881920] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 84.896189] irq event stamp: 0 # [ 84.905781] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 84.919061] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 84.934469] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 84.949860] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 84.963179] ---[ end trace 1a91beaac65af0d5 ]--- # [ 84.974572] lkdtm: Overflow detected: saturated # REFCOUNT_ADD_OVERFLOW: saw 'call trace:': ok ok 43 selftests: lkdtm: REFCOUNT_ADD_OVERFLOW.sh # selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh # [ 85.315177] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW # [ 85.323828] lkdtm: attempting bad refcount_inc_not_zero() overflow # [ 85.330784] ------[ 87.703282] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE [ 87.714533] lkdtm: attempting bad refcount_dec() below zero [ 87.720811] ------------[ cut here ]------------ ------[ cut here ]------------ # [ 85.335989] refcount_t: sat[ 87.726011] refcount_t: decrement hit 0; leaking memory. urated; leaking memory. # [ 85.341426] WARNING: CPU: 0 PID: 2[ 87.738222] WARNING: CPU: 1 PID: 2215 at lib/refcount.c:31 refcount_warn_saturate+0xdf/0xf0 [ 87.753816] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 87.769852] CPU: 1 PID: 2215 Comm: cat Tainted: G D W 5.10.126-cip11 #1 [ 87.778556] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 87.785220] RIP: 0010:refcount_warn_saturate+0xdf/0xf0 [ 87.791061] Code: ff 48 c7 c7 f0 bd a5 b9 c6 05 d6 1d 76 01 01 e8 b3 1b 93 00 0f 0b c3 48 c7 c7 c0 bd a5 b9 c6 05 c1 1d 76 01 01 e8 9d 1b 93 00 <0f> 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b 07 3d 00 00 116 at lib/refcount.c:19 refcount_warn_saturate+0x87/0xf0 # [ [ 87.812164] RSP: 0018:ffffad2e82957e48 EFLAGS: 00010286 [ 87.824243] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000 [ 87.832265] RDX: ffff8dc97bcac660 RSI: ffff8dc97bc9bf70 RDI: ffff8dc97bc9bf70 [ 87.840285] RBP: ffffffffb9ac0313 R08: 0000000000000000 R09: 0000000000000000 [ 87.848307] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 [ 87.856309] R13: ffffad2e82957f10 R14: ffffad2e82957f10 R15: ffff8dc903465000 [ 87.864325] FS: 00007f559fcc0580(0000) GS:ffff8dc97bc80000(0000) knlGS:0000000000000000 [ 87.873411] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 87.879871] CR2: 00007f559fad9000 CR3: 0000000105b8c000 CR4: 00000000003506e0 [ 87.887890] Call Trace: [ 87.890662] lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x5d [ 87.896063] direct_entry.cold+0x2c/0x38 [ 87.900491] full_proxy_write+0x56/0x80 [ 87.904817] vfs_write+0xea/0x390 [ 87.908555] ksys_write+0x68/0xe0 [ 87.912298] do_syscall_64+0x33/0x40 [ 87.916321] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 87.922003] RIP: 0033:0x7f559fbe8f33 [ 87.926037] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 87.947104] RSP: 002b:00007ffd36bb8ad8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 87.955616] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f559fbe8f33 [ 87.963637] RDX: 0000000000000016 RSI: 00007f559fad9000 RDI: 0000000000000001 [ 87.971656] RBP: 00007f559fad9000 R08: 00007f559fad8010 R09: 0000000000000000 [ 87.979671] R10: 00007f559fce31c0 R11: 0000000000000246 R12: 0000000000000001 [ 87.987689] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 87.995723] irq event stamp: 0 85.357002] Modules linked in: fuse ip_tables cros_ec_lightbar c[ 87.999164] hardirqs last enabled at (0): [<0000000000000000>] 0x0 ros_ec_chardev cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_therma[ 88.012451] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 l cros_ec_dev cros_usbpd_notify # [ 85.379274] CPU: 0 PID: 21[ 88.027880] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 88.043300] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 88.050346] ---[ end trace 1a91beaac65af0d9 ]--- [ 88.055538] lkdtm: Negative detected: saturated 16 Comm: cat Tainted: G D W 5.10.126-cip11 #1 # [ 85.394200] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 85.407091] RIP: 0010:refcount_warn_saturate+0x87/0xf0 # [ 85.419098] Code: 05 3a 1e 76 01 01 e8 14 1c 93 00 0f 0b c3 80 3d 2d 1e 76 01 00 75 b4 48 c7 c7 40 bd a5 b9 c6 05 1d 1e 76 01 01 e8 f5 1b 93 00 <0f> 0b c3 80 3d 0b 1e 76 01 00 75 95 48 c7 c7 98 bd a5 b9 c6 05 fb # [ 85.446398] RSP: 0018:ffffad2e827a7e38 EFLAGS: 00010282 # [ 85.455084] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 # [ 85.466608] RDX: ffff8dc97bc2c660 RSI: ffff8dc97bc1bf70 RDI: ffff8dc97bc1bf70 # [ 85.474627] RBP: ffffffffb9abff28 R08: 0000000000000000 R09: 0000000000000000 # [ 85.486925] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 85.494949] R13: ffffad2e827a7f10 R14: ffffad2e827a7f10 R15: ffff8dc90358f000 # [ 85.507639] FS: 00007f7accdf2580(0000) GS:ffff8dc97bc00000(0000) knlGS:0000000000000000 # [ 85.521115] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 85.533787] CR2: 00007f7accc0b000 CR3: 0000000102a3a000 CR4: 00000000003506f0 # [ 85.548036] Call Trace: # [ 85.557046] __refcount_add_not_zero.constprop.0+0x2a/0x31 # [ 85.565730] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x72 # [ 85.578221] direct_entry.cold+0x2c/0x38 # [ 85.588866] full_proxy_write+0x56/0x80 # [ 85.599397] vfs_write+0xea/0x390 # [ 85.609356] ksys_write+0x68/0xe0 # [ 85.619305] do_syscall_64+0x33/0x40 # [ 85.629550] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 85.641456] RIP: 0033:0x7f7accd1af33 # [ 85.651715] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 85.679010] RSP: 002b:00007ffc85883028 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 85.689950] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f7accd1af33 # [ 85.698155] RDX: 000000000000001f RSI: 00007f7accc0b000 RDI: 0000000000000001 # [ 85.706183] RBP: 00007f7accc0b000 R08: 00007f7accc0a010 R09: 0000000000000000 # [ 85.717409] R10: 00007f7acce151c0 R11: 0000000000000246 R12: 0000000000000001 # [ 85.725428] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 85.733653] irq event stamp: 0 # [ 85.743317] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 85.750937] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 85.766345] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 85.776789] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 85.790062] ---[ end trace 1a91beaac65af0d6 ]--- # [ 85.801479] lkdtm: Overflow detected: saturated # REFCOUNT_INC_NOT_ZERO_OVERFLOW: saw 'call trace:': ok ok 44 selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh # selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh # [ 86.137257] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW # [ 86.150864] lkdtm: attempting bad refcount_add_not_zero() overflow # [ 86.157834] ------------[ cut here ]------------ # [ 86.163038] refcount_t: saturated; leaking memory. # [ 86.168479] WARNING: CPU: 2 PID: 2148 at lib/refcount.c:[ 88.381499] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE 19 refcount_warn_saturate+0x87/0xf0 # [ 86.177869] Modules li[ 88.392631] lkdtm: attempting bad refcount_dec_and_test() below zero nked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec[ 88.406035] ------------[ cut here ]------------ _sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usb[ 88.417443] refcount_t: underflow; use-after-free. pd_notify # [ 86.193919] CPU: 2 PID: 2148 Comm: cat Tainted: [ 88.429106] WARNING: CPU: 0 PID: 2250 at lib/refcount.c:28 refcount_warn_saturate+0xa6/0xf0 G D W 5.10.126-cip11 #1 # [ 86.202631] Hardware [ 88.444722] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify name: Google Coral/Coral, BIOS 09/29/2020 # [ 86.209298] RIP[ 88.467018] CPU: 0 PID: 2250 Comm: cat Tainted: G D W 5.10.126-cip11 #1 : 0010:refcount_warn_saturate+0x87/0xf0 # [ 86.215085] Code: [ 88.481947] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 88.494841] RIP: 0010:refcount_warn_saturate+0xa6/0xf0 [ 88.500627] Code: 05 1d 1e 76 01 01 e8 f5 1b 93 00 0f 0b c3 80 3d 0b 1e 76 01 00 75 95 48 c7 c7 98 bd a5 b9 c6 05 fb 1d 76 01 01 e8 d6 1b 93 00 <0f> 0b c3 80 3d ea 1d 76 01 00 0f 85 72 ff ff ff 48 c7 c7 f0 bd a5 [ 88.521704] RSP: 0018:ffffad2e829c7e40 EFLAGS: 00010286 [ 88.527581] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000 [ 88.535601] RDX: ffff8dc97bc2c660 RSI: ffff8dc97bc1bf70 RDI: ffff8dc97bc1bf70 [ 88.543615] RBP: ffffffffb9abff68 R08: 0000000000000000 R09: 0000000000000000 [ 88.551630] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f [ 88.559649] R13: ffffad2e829c7f10 R14: ffffad2e829c7f10 R15: ffff8dc903196000 [ 88.567669] FS: 00007f6320fd9580(0000) GS:ffff8dc97bc00000(0000) knlGS:0000000000000000 [ 88.576753] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 88.583200] CR2: 00007f6320df2000 CR3: 0000000105850000 CR4: 00000000003506f0 [ 88.591208] Call Trace: [ 88.593972] __refcount_sub_and_test.constprop.0+0x34/0x40 [ 88.600143] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x74 [ 88.606421] direct_entry.cold+0x2c/0x38 [ 88.610839] full_proxy_write+0x56/0x80 [ 88.615164] vfs_write+0xea/0x390 [ 88.618903] ksys_write+0x68/0xe0 [ 88.622643] do_syscall_64+0x33/0x40 [ 88.626673] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 88.632358] RIP: 0033:0x7f6320f01f33 [ 88.636387] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 88.657456] RSP: 002b:00007fffe3c66f68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 88.665967] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f6320f01f33 [ 88.673984] RDX: 000000000000001f RSI: 00007f6320df2000 RDI: 0000000000000001 [ 88.682000] RBP: 00007f6320df2000 R08: 00007f6320df1010 R09: 0000000000000000 05 3a 1e 76 01 01 e8 14 1c 93 00 0f 0b c3 80 3d 2d 1e 76 01 00 7[ 88.690016] R10: 00007f6320ffc1c0 R11: 0000000000000246 R12: 0000000000000001 [ 88.704248] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 88.712283] irq event stamp: 0 [ 88.715727] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 88.722777] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 88.731966] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 5 b4 48 c7 c7 40 bd a5 b9 c6 05 1d 1e 76 01 01 e8 f5 1b 93 00 <0[ 88.741159] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 88.754417] ---[ end trace 1a91beaac65af0da ]--- [ 88.759611] lkdtm: Negative detected: saturated f> 0b c3 80 3d 0b 1e 76 01 00 75 95 48 c7 c7 98 bd a5 b9 c6 05 fb # [ 86.236160] RSP: 0018:ffffad2e82827e38 EFLAGS: 00010282 # [ 86.248262] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 # [ 86.256283] RDX: ffff8dc97bd2c660 RSI: ffff8dc97bd1bf70 RDI: ffff8dc97bd1bf70 # [ 86.264309] RBP: ffffffffb9abff48 R08: 0000000000000000 R09: 0000000000000000 # [ 86.272334] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 86.280354] R13: ffffad2e82827f10 R14: ffffad2e82827f10 R15: ffff8dc904c84000 # [ 86.288377] FS: 00007f9e43148580(0000) GS:ffff8dc97bd00000(0000) knlGS:0000000000000000 # [ 86.297469] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 86.303930] CR2: 00007f9e42f61000 CR3: 0000000102a06000 CR4: 00000000003506e0 # [ 86.311953] Call Trace: # [ 86.314724] __refcount_add_not_zero.constprop.0+0x2a/0x31 # [ 86.320906] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x72 # [ 86.327181] direct_entry.cold+0x2c/0x38 # [ 86.331611] full_proxy_write+0x56/0x80 # [ 86.335946] vfs_write+0xea/0x390 # [ 86.339688] ksys_write+0x68/0xe0 # [ 86.343431] do_syscall_64+0x33/0x40 # [ 86.347463] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 86.353152] RIP: 0033:0x7f9e43070f33 # [ 86.363407] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 86.384487] RSP: 002b:00007ffcdacdee38 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 86.393003] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f9e43070f33 # [ 86.401033] RDX: 000000000000001f RSI: 00007f9e42f61000 RDI: 0000000000000001 # [ 86.409053] RBP: 00007f9e42f61000 R08: 00007f9e42f60010 R09: 0000000000000000 # [ 86.417075] R10: 00007f9e4316b1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 86.431317] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 86.439343] irq event stamp: 0 # [ 86.448989] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 86.456044] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 86.465243] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 86.474431] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 86.481465] ---[ end trace 1a91beaac65af0d7 ]--- # [ 86.486690] lkdtm: Overflow detected: saturated # REFCOUNT_ADD_NOT_ZERO_OVERFLOW: saw 'call trace:': ok ok 45 selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh # selftests: lkdtm: REFCOUNT_DEC_ZERO.sh # [ 86.796101] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO # [ 86.803366] lkdtm: attempting good refcount_dec() # [ 86.814863] lkdtm: attempting bad refcount_dec() to zero # [ 86.827099] ------------[ cut here ]------------ # [ 86.838534] refcount_t: decrement hit 0; leaking memory. # [ 86.850761] WARNING: CPU: 3 PID: 2180 at lib/refcount.c:31 refcount_warn_saturate+0xdf/0xf0 # [ 86.866293] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 86.888499] CPU: 3 PID: 2180 Comm: cat Tainted: G D W 5.10.126-cip11 #1 # [ 86.903407] Hardw[ 89.088233] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE [ 89.096639] lkdtm: attempting bad refcount_sub_and_test() below zero [ 89.103811] ------------[ cut here ]------------ [ 89.109008] refcount_t: underflow; use-after-free. [ 89.114446] WARNING: CPU: 2 PID: 2285 at lib/refcount.c:28 refcount_warn_saturate+0xa6/0xf0 [ 89.123829] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 89.139874] CPU: 2 PID: 2285 Comm: cat Tainted: G D W 5.10.126-cip11 #1 [ 89.148582] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 89.155245] RIP: 0010:refcount_warn_saturate+0xa6/0xf0 [ 89.161026] Code: 05 1d 1e 76 01 01 e8 f5 1b 93 00 0f 0b c3 80 3d 0b 1e 76 01 00 75 95 48 c7 c7 98 bd a5 b9 c6 05 fb 1d 76 01 01 e8 d6 1b 93 00 <0f> 0b c3 80 3d ea 1d 76 01 00 0f 85 72 ff ff ff 48 c7 c7 f0 bd a5 [ 89.182090] RSP: 0018:ffffad2e82a57e40 EFLAGS: 00010286 [ 89.187968] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000 [ 89.195989] RDX: ffff8dc97bd2c660 RSI: ffff8dc97bd1bf70 RDI: ffff8dc97bd1bf70 [ 89.204008] RBP: ffffffffb9abff88 R08: 0000000000000000 R09: 0000000000000000 [ 89.212044] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f [ 89.220064] R13: ffffad2e82a57f10 R14: ffffad2e82a57f10 R15: ffff8dc903b4c000 [ 89.228085] FS: 00007f77562db580(0000) GS:ffff8dc97bd00000(0000) knlGS:0000000000000000 [ 89.237178] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 89.243641] CR2: 00007f77560f4000 CR3: 000000010408c000 CR4: 00000000003506e0 [ 89.251660] Call Trace: [ 89.254430] __refcount_sub_and_test.constprop.0+0x34/0x40 [ 89.260607] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x77 [ 89.266882] direct_entry.cold+0x2c/0x38 [ 89.271306] full_proxy_write+0x56/0x80 [ 89.275630] vfs_write+0xea/0x390 [ 89.279370] ksys_write+0x68/0xe0 [ 89.283112] do_syscall_64+0x33/0x40 are name: Google Coral/Coral, BIOS 09/29/2020 # [ 86.916305][ 89.287142] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 89.299049] RIP: 0033:0x7f7756203f33 [ 89.303077] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 RIP: 0010:refcount_warn_saturate+0xdf/0xf0 # [ 86.928345] Co[ 89.324146] RSP: 002b:00007ffcd65eef68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 89.338882] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f7756203f33 [ 89.346900] RDX: 000000000000001f RSI: 00007f77560f4000 RDI: 0000000000000001 [ 89.354920] RBP: 00007f77560f4000 R08: 00007f77560f3010 R09: 0000000000000000 de: ff 48 c7 c7 f0 bd a5 b9 c6 05 d6 1d 76 01 01 e8 b3 1b 93 00 [ 89.362946] R10: 00007f77562fe1c0 R11: 0000000000000246 R12: 0000000000000001 0f 0b c3 48 c7 c7 c0 bd a5 b9 c6 05 c1 1d 76 01 01 e8 9d 1b 93 0[ 89.377183] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 89.391453] irq event stamp: 0 [ 89.394903] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 89.401958] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 0 <0f> 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b 07 3d [ 89.411152] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 89.426573] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 89.433611] ---[ end trace 1a91beaac65af0db ]--- [ 89.438806] lkdtm: Negative detected: saturated 00 00 # [ 86.955638] RSP: 0018:ffffad2e828cfe48 EFLAGS: 00010286 # [ 86.967719] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000 # [ 86.981968] RDX: ffff8dc97bdac660 RSI: ffff8dc97bd9bf70 RDI: ffff8dc97bd9bf70 # [ 86.996241] RBP: ffffffffb9ac0301 R08: 0000000000000000 R09: 0000000000000000 # [ 87.010479] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 87.024757] R13: ffffad2e828cff10 R14: ffffad2e828cff10 R15: ffff8dc904057000 # [ 87.038979] FS: 00007f9a10386580(0000) GS:ffff8dc97bd80000(0000) knlGS:0000000000000000 # [ 87.054315] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 87.066991] CR2: 00007f9a1019f000 CR3: 00000001059ae000 CR4: 00000000003506e0 # [ 87.081297] Call Trace: # [ 87.090517] lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xb9 # [ 87.101541] direct_entry.cold+0x2c/0x38 # [ 87.112347] full_proxy_write+0x56/0x80 # [ 87.122697] vfs_write+0xea/0x390 # [ 87.132773] ksys_write+0x68/0xe0 # [ 87.142641] do_syscall_64+0x33/0x40 # [ 87.152925] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 87.164799] RIP: 0033:0x7f9a102aef33 # [ 87.175054] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 87.202250] RSP: 002b:00007ffe7b75fa88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 87.217004] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f9a102aef33 # [ 87.231200] RDX: 0000000000000012 RSI: 00007f9a1019f000 RDI: 0000000000000001 # [ 87.245435] RBP: 00007f9a1019f000 R08: 00007f9a1019e010 R09: 0000000000000000 # [ 87.259637] R10: 00007f9a103a91c0 R11: 0000000000000246 R12: 0000000000000001 # [ 87.273876] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 87.288103] irq event stamp: 0 # [ 87.297772] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 87.311015] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 87.326463] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 87.341838] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 87.355109] ---[ end trace 1a91beaac65af0d8 ]--- # [ 87.366530] lkdtm: Zero detected: saturated # REFCOUNT_DEC_ZERO: saw 'call trace:': ok ok 46 selftests: lkdtm: REFCOUNT_DEC_ZERO.sh # selftests: lkdtm: REFCOUNT_DEC_NEGATIVE.sh # [ 87.703282] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE # [ 87.714533] lkdtm: attempting bad refcount_dec() below zero # [ 87.720811] ------------[ cut here ]------------ # [ 87.726011] refcount_t: decrement hit 0; leaking memory. # [ 87.738222] WARNING: CPU: 1 PID: 2215 at lib/refcount.c:31 refcount_warn_saturate+0xdf/0xf0 # [ 87.753816] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 87.769852] CPU: 1 PID: 2215 Comm: cat Tainted: G D W 5.10.126-cip11 #1 # [ 87.778556] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 87.785220] RIP: 0010:refcount_warn_saturate+0xdf/0xf0 # [ 87.791061] Code: ff 48 c7 c7 f0 bd a5 b9 c6 05 d6 1d 76 01 01 e8 b3 1b 93 00 0f 0b c3 48 c7 c7 c0 [ 89.767118] lkdtm: Performing direct entry REFCOUNT_INC_ZERO bd a5 b9 c6 05 c1 1d 76 01 01 e8 9d 1b 93 00 <0f> 0b c3 66 66 2e[ 89.774687] lkdtm: attempting safe refcount_inc_not_zero() from zero [ 89.788054] lkdtm: Good: zero detected 0f 1f 84 00 00 00 00 00 0f 1f 00 8b 07 3d 00 00 # [ 87.81216[ 89.792271] lkdtm: Correctly stayed at zero [ 89.803184] lkdtm: attempting bad refcount_inc() from zero [ 89.809353] ------------[ cut here ]------------ [ 89.814545] refcount_t: addition on 0; use-after-free. 4] RSP: 0018:ffffad2e82957e48 EFLAGS: 00010286 # [ 87.824243][ 89.820411] WARNING: CPU: 0 PID: 2317 at lib/refcount.c:25 refcount_warn_saturate+0x68/0xf0 RAX: 0000000000000000 RBX: 0000000000000030 RCX: 00000000000000[ 89.835989] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 89.858222] CPU: 0 PID: 2317 Comm: cat Tainted: G D W 5.10.126-cip11 #1 [ 89.866926] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 89.873592] RIP: 0010:refcount_warn_saturate+0x68/0xf0 [ 89.879380] Code: 05 5a 1e 76 01 01 e8 33 1c 93 00 0f 0b c3 80 3d 4a 1e 76 01 00 75 d3 48 c7 c7 68 bd a5 b9 c6 05 3a 1e 76 01 01 e8 14 1c 93 00 <0f> 0b c3 80 3d 2d 1e 76 01 00 75 b4 48 c7 c7 40 bd a5 b9 c6 05 1d [ 89.900457] RSP: 0018:ffffad2e82acfe48 EFLAGS: 00010286 [ 89.906343] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000 [ 89.914365] RDX: ffff8dc97bc2c660 RSI: ffff8dc97bc1bf70 RDI: ffff8dc97bc1bf70 [ 89.922388] RBP: ffffffffb9ac0329 R08: 0000000000000000 R09: 0000000000000000 [ 89.930412] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 [ 89.938437] R13: ffffad2e82acff10 R14: ffffad2e82acff10 R15: ffff8dc903b3c000 [ 89.946463] FS: 00007efc5f964580(0000) GS:ffff8dc97bc00000(0000) knlGS:0000000000000000 [ 89.955557] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 89.962019] CR2: 00007efc5f77d000 CR3: 0000000102670000 CR4: 00000000003506f0 [ 89.970044] Call Trace: 00 # [ 87.832265] RDX: ffff8dc97bcac660 RSI: ffff8dc97bc9bf70[ 89.972819] lkdtm_REFCOUNT_INC_ZERO+0x99/0xbd [ 89.984064] direct_entry.cold+0x2c/0x38 [ 89.988495] full_proxy_write+0x56/0x80 RDI: ffff8dc97bc9bf70 # [ 87.840285] RBP: ffffffffb9ac0313 R[ 89.992823] vfs_write+0xea/0x390 [ 90.002763] ksys_write+0x68/0xe0 [ 90.006509] do_syscall_64+0x33/0x40 08: 0000000000000000 R09: 0000000000000000 # [ 87.848307] R10[ 90.010545] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 90.022422] RIP: 0033:0x7efc5f88cf33 [ 90.026455] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 90.047530] RSP: 002b:00007ffc34960d98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 : 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 [ 90.056051] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007efc5f88cf33 # [ 87.856309] R13: ffffad2e82957f10 R14: ffffad2e82957f10 R15[ 90.070270] RDX: 0000000000000012 RSI: 00007efc5f77d000 RDI: 0000000000000001 [ 90.084510] RBP: 00007efc5f77d000 R08: 00007efc5f77c010 R09: 0000000000000000 [ 90.092534] R10: 00007efc5f9871c0 R11: 0000000000000246 R12: 0000000000000001 [ 90.100559] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 : ffff8dc903465000 # [ 87.864325] FS: 00007f559fcc0580(0000)[ 90.108598] irq event stamp: 0 [ 90.118270] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 90.125321] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 90.134509] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 90.143702] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 90.150752] ---[ end trace 1a91beaac65af0dc ]--- [ 90.155949] lkdtm: Zero detected: saturated GS:ffff8dc97bc80000(0000) knlGS:0000000000000000 # [ 87.873411] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 87.879871] CR2: 00007f559fad9000 CR3: 0000000105b8c000 CR4: 00000000003506e0 # [ 87.887890] Call Trace: # [ 87.890662] lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x5d # [ 87.896063] direct_entry.cold+0x2c/0x38 # [ 87.900491] full_proxy_write+0x56/0x80 # [ 87.904817] vfs_write+0xea/0x390 # [ 87.908555] ksys_write+0x68/0xe0 # [ 87.912298] do_syscall_64+0x33/0x40 # [ 87.916321] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 87.922003] RIP: 0033:0x7f559fbe8f33 # [ 87.926037] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 87.947104] RSP: 002b:00007ffd36bb8ad8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 87.955616] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f559fbe8f33 # [ 87.963637] RDX: 0000000000000016 RSI: 00007f559fad9000 RDI: 0000000000000001 # [ 87.971656] RBP: 00007f559fad9000 R08: 00007f559fad8010 R09: 0000000000000000 # [ 87.979671] R10: 00007f559fce31c0 R11: 0000000000000246 R12: 0000000000000001 # [ 87.987689] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 87.995723] irq event stamp: 0 # [ 87.999164] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 88.012451] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 88.027880] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 88.043300] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 88.050346] ---[ end trace 1a91beaac65af0d9 ]--- # [ 88.055538] lkdtm: Negative detected: saturated # REFCOUNT_DEC_NEGATIVE: saw 'Negative detected: saturated': ok ok 47 selftests: lkdtm: REFCOUNT_DEC_NEGATIVE.sh # selftests: lkdtm: REFCOUNT_DEC_AND_TEST_NEGATIVE.sh # [ 88.381499] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE # [ 88.392631] lkdtm: attempting bad refcount_dec_and_test() below zero # [ 88.406035] ------------[ cut here ]------------ # [ 88.417443] refcount_t: underflow; use-after-free. # [ 88.429106] WARNING: CPU: 0 PID: 2250 at lib/refcount.c:28 refcount_warn_saturate+0xa6/0xf0 # [ 88.444722] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 88.467018] CPU: 0 PID: 2250 Comm: cat Tainted: G D W 5.10.126-cip11 #1 # [ 88.481947] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 88.494841] RIP: 0010:refcount_warn_saturate+0xa6/0xf0 # [ 88.500627] Code: 05 1d 1e 76 01 01 e8 f5 1b 93 00 0f 0b c3 80 3d 0b 1e 76 01 00 75 95 48 c7 c7 98 bd a5 b9 c6 05 fb 1d 76 01 01 e8 d6 1b 93 00 <0f> 0b c3 80 3d ea 1d 76 01 00 0f 85 72 ff ff ff 48 c7 c7 f0 bd a5 # [ 88.521704] RSP: 0018:ffffad2e829c7e40 EFLAGS: 00010286 # [ 88.527581] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000 # [ 88.535601] RDX: ffff8[ 90.461140] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO dc97bc2c660 RSI: ffff8dc97bc1bf70 RDI: ffff8dc97bc1bf70 # [ 8[ 90.472392] lkdtm: attempting safe refcount_add_not_zero() from zero 8.543615] RBP: ffffffffb9abff68 R08: 0000000000000000 R09: 00000[ 90.485762] lkdtm: Good: zero detected 00000000000 # [ 88.551630] R10: 00000000ffffe000 R11: 3ffffff[ 90.496228] lkdtm: Correctly stayed at zero fffffffff R12: 000000000000001f # [ 88.559649] R13: ffffad2e8[ 90.507360] lkdtm: attempting bad refcount_add() from zero 29c7f10 R14: ffffad2e829c7f10 R15: ffff8dc903196000 # [ 88.56[ 90.519541] ------------[ cut here ]------------ 7669] FS: 00007f6320fd9580(0000) GS:ffff8dc97bc00000(0000) knlG[ 90.531150] refcount_t: addition on 0; use-after-free. S:0000000000000000 # [ 88.576753] CS: 0010 DS: 0000 ES: 0000[ 90.543174] WARNING: CPU: 3 PID: 2349 at lib/refcount.c:25 refcount_warn_saturate+0x68/0xf0 CR0: 0000000080050033 # [ 88.583200] CR2: 00007f6320df2000 C[ 90.558695] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify R3: 0000000105850000 CR4: 00000000003506f0 # [ 88.591208] Cal[ 90.580781] CPU: 3 PID: 2349 Comm: cat Tainted: G D W 5.10.126-cip11 #1 l Trace: # [ 88.593972] __refcount_sub_and_test.constprop.0+[ 90.595869] Hardware name: Google Coral/Coral, BIOS 09/29/2020 0x34/0x40 # [ 88.600143] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIV[ 90.608673] RIP: 0010:refcount_warn_saturate+0x68/0xf0 E+0x3e/0x74 # [ 88.606421] direct_entry.cold+0x2c/0x38 # [ [ 90.620670] Code: 05 5a 1e 76 01 01 e8 33 1c 93 00 0f 0b c3 80 3d 4a 1e 76 01 00 75 d3 48 c7 c7 68 bd a5 b9 c6 05 3a 1e 76 01 01 e8 14 1c 93 00 <0f> 0b c3 80 3d 2d 1e 76 01 00 75 b4 48 c7 c7 40 bd a5 b9 c6 05 1d 88.610839] full_proxy_write+0x56/0x80 # [ 88.615164] vfs_[ 90.647844] RSP: 0018:ffffad2e82b4fe48 EFLAGS: 00010286 write+0xea/0x390 # [ 88.618903] ksys_write+0x68/0xe0 # [ [ 90.659979] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000 88.622643] do_syscall_64+0x33/0x40 # [ 88.626673] entry_SYS[ 90.674201] RDX: ffff8dc97bdac660 RSI: ffff8dc97bd9bf70 RDI: ffff8dc97bd9bf70 CALL_64_after_hwframe+0x44/0xa9 # [ 88.632358] RIP: 0033:0x7f[ 90.688453] RBP: ffffffffb9ac033b R08: 0000000000000000 R09: 0000000000000000 6320f01f33 # [ 88.636387] Code: 8b 15 61 ef 0c 00 f7 d8 64 89[ 90.702671] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 [ 90.716953] R13: ffffad2e82b4ff10 R14: ffffad2e82b4ff10 R15: ffff8dc902796000 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f[ 90.731159] FS: 00007f4185255580(0000) GS:ffff8dc97bd80000(0000) knlGS:0000000000000000 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 88.657456] RSP: 002b[ 90.746467] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 :00007fffe3c66f68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 #[ 90.759114] CR2: 00007f418506e000 CR3: 0000000103fa2000 CR4: 00000000003506e0 [ 88.665967] RAX: ffffffffffffffda RBX: 000000000000001f RCX:[ 90.773296] Call Trace: 00007f6320f01f33 # [ 88.673984] RDX: 000000000000001f RSI: 0[ 90.782345] lkdtm_REFCOUNT_ADD_ZERO+0x99/0xbd 0007f6320df2000 RDI: 0000000000000001 # [ 88.682000] RBP: 000[ 90.793537] direct_entry.cold+0x2c/0x38 07f6320df2000 R08: 00007f6320df1010 R09: 0000000000000000 # [ [ 90.804256] full_proxy_write+0x56/0x80 88.690016] R10: 00007f6320ffc1c0 R11: 0000000000000246 R12: 000[ 90.814747] vfs_write+0xea/0x390 0000000000001 # [ 88.704248] R13: 0000000000000001 R14: 00000[ 90.824723] ksys_write+0x68/0xe0 00000020000 R15: 0000000000020000 # [ 88.712283] irq event st[ 90.834643] do_syscall_64+0x33/0x40 amp: 0 # [ 88.715727] hardirqs last enabled at (0): [<000000[ 90.844919] entry_SYSCALL_64_after_hwframe+0x44/0xa9 0000000000>] 0x0 # [ 88.722777] hardirqs last disabled at (0)[ 90.856774] RIP: 0033:0x7f418517df33 : [] copy_process+0x63c/0x1c80 # [ 88.73196[ 90.867061] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 6] softirqs last enabled at (0): [] copy_proc[ 90.894300] RSP: 002b:00007ffc64cb57e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 ess+0x63c/0x1c80 # [ 88.741159] softirqs last disabled at (0)[ 90.909021] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f418517df33 : [<0000000000000000>] 0x0 # [ 88.754417] ---[ end trace 1a91[ 90.923176] RDX: 0000000000000012 RSI: 00007f418506e000 RDI: 0000000000000001 beaac65af0da ]--- # [ 88.759611] lkdtm: Negative detected: sa[ 90.937539] RBP: 00007f418506e000 R08: 00007f418506d010 R09: 0000000000000000 turated # REFCOUNT_DEC_AND_TEST_NEGATIVE: saw 'Negative detecte[ 90.951738] R10: 00007f41852781c0 R11: 0000000000000246 R12: 0000000000000001 d: saturated': ok ok 48 selftests: lkdtm: REFCOUNT_DEC_AND_TEST[ 90.965962] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 _NEGATIVE.sh # selftests: lkdtm: REFCOUNT_SUB_AND_TEST_NEGATIVE[ 90.980190] irq event stamp: 0 .sh # [ 89.088233] lkdtm: Performing direct entry REFCOUNT_SU[ 90.989822] hardirqs last enabled at (0): [<0000000000000000>] 0x0 B_AND_TEST_NEGATIVE # [ 89.096639] lkdtm: attempting bad refc[ 91.003145] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 ount_sub_and_test() below zero # [ 89.103811] ------------[ c[ 91.018514] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 ut here ]------------ # [ 89.109008] refcount_t: underflow; u[ 91.033942] softirqs last disabled at (0): [<0000000000000000>] 0x0 se-after-free. # [ 89.114446] WARNING: CPU: 2 PID: 2285 at li[ 91.047206] ---[ end trace 1a91beaac65af0dd ]--- b/refcount.c:28 refcount_warn_saturate+0xa6/0xf0 # [ 89.12382[ 91.058608] lkdtm: Zero detected: saturated 9] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 89.139874] CPU: 2 PID: 2285 Comm: cat Tainted: G D W 5.10.126-cip11 #1 # [ 89.148582] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 89.155245] RIP: 0010:refcount_warn_saturate+0xa6/0xf0 # [ 89.161026] Code: 05 1d 1e 76 01 01 e8 f5 1b 93 00 0f 0b c3 80 3d 0b 1e 76 01 00 75 95 48 c7 c7 98 bd a5 b9 c6 05 fb 1d 76 01 01 e8 d6 1b 93 00 <0f> 0b c3 80 3d ea 1d 76 01 00 0f 85 72 ff ff ff 48 c7 c7 f0 bd a5 # [ 89.182090] RSP: 0018:ffffad2e82a57e40 EFLAGS: 00010286 # [ 89.187968] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000 # [ 89.195989] RDX: ffff8dc97bd2c660 RSI: ffff8dc97bd1bf70 RDI: ffff8dc97bd1bf70 # [ 89.204008] RBP: ffffffffb9abff88 R08: 0000000000000000 R09: 0000000000000000 # [ 89.212044] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 89.220064] R13: ffffad2e82a57f10 R14: ffffad2e82a57f10 R15: ffff8dc903b4c000 # [ 89.228085] FS: 00007f77562db580(0000) GS:ffff8dc97bd00000(0000) knlGS:0000000000000000 # [ 89.237178] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 89.243641] CR2: 00007f77560f4000 CR3: 000000010408c000 CR4: 00000000003506e0 # [ 89.251660] Call Trace: # [ 89.254430] __refcount_sub_and_test.constprop.0+0x34/0x40 # [ 89.260607] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x77 # [ 89.266882] direct_entry.cold+0x2c/0x38 # [ 89.271306] full_proxy_write+0x56/0x80 # [ 89.275630] vfs_write+0xea/0x390 # [ 89.279370] ksys_write+0x68/0xe0 # [ 89.283112] do_syscall_64+0x33/0x40 # [ 89.287142] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 89.299049] RIP: 0033:0x7f7756203f33 # [ 89.303077] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 89.324146] RSP: 002b:00007ffcd65eef68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 89.338882] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f7756203f33 # [ 89.346900] RDX: 000000000000001f RSI: 00007f77560f4000 RDI: 0000000000000001 # [ 89.354920] RBP: 00007f77560f4000 R08: 00007f77560f3010 R09: 0000000000000000 # [ 89.362946] R10: 00007f77562fe1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 89.377183] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 89.391453] irq event stamp: 0 # [ 89.394903] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 89.401958] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 89.411152] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 89.426573] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 89.433611] ---[ end trace 1a91beaac65af0db ]--- # [ 89.438806] lkdtm: Negative detected: saturated # REFCOUNT_SUB_AND_TEST_NEGATIVE: saw 'Negative detected: saturated': ok ok 49 selftests: lkdtm: REFCOUNT_SUB_AND_TEST_NEGATIVE.sh # selftests: lkdtm: REFCOUNT_INC_ZERO.sh # [ 89.767118] lkdtm: Performing direct entry REFCOUNT_INC_ZERO # [ 89.774687] lkdtm: attempting safe refcount_inc_not_zero() from zero # [ 89.788054] lkdtm: Good: zero detected # [ 89.792271] lkdtm: Correctly stayed at zero # [ 89.803184] lkdtm: attemp[ 91.401905] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED ting bad refcount_inc() from zero # [ 89.809353] ------------[ 91.412931] lkdtm: attempting bad refcount_inc() from saturated [ cut here ]------------ # [ 89.814545] refcount_t: addition [ 91.425850] ------------[ cut here ]------------ on 0; use-after-free. # [ 89.820411] WARNING: CPU: 0 PID: 231[ 91.437262] refcount_t: saturated; leaking memory. 7 at lib/refcount.c:25 refcount_warn_saturate+0x68/0xf0 # [ 8[ 91.448914] WARNING: CPU: 3 PID: 2384 at lib/refcount.c:22 refcount_warn_saturate+0x49/0xf0 9.835989] Modules linked in: fuse ip_tables cros_ec_lightbar cro[ 91.464719] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify s_ec_chardev cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal [ 91.486760] CPU: 3 PID: 2384 Comm: cat Tainted: G D W 5.10.126-cip11 #1 cros_ec_dev cros_usbpd_notify # [ 89.858222] CPU: 0 PID: 2317[ 91.501830] Hardware name: Google Coral/Coral, BIOS 09/29/2020 Comm: cat Tainted: G D W 5.10.126-cip11 #1 # [ [ 91.514550] RIP: 0010:refcount_warn_saturate+0x49/0xf0 89.866926] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 91.526838] Code: 76 01 00 0f 84 a4 00 00 00 c3 85 f6 74 3e 80 3d 6a 1e 76 01 00 75 f2 48 c7 c7 40 bd a5 b9 c6 05 5a 1e 76 01 01 e8 33 1c 93 00 <0f> 0b c3 80 3d 4a 1e 76 01 00 75 d3 48 c7 c7 68 bd a5 b9 c6 05 3a # [ 89.873592] RIP: 0010:refcount_warn_saturate+0x68/0xf0 # [[ 91.553870] RSP: 0018:ffffad2e82bbfe48 EFLAGS: 00010286 89.879380] Code: 05 5a 1e 76 01 01 e8 33 1c 93 00 0f 0b c3 80[ 91.566095] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000 3d 4a 1e 76 01 00 75 d3 48 c7 c7 68 bd a5 b9 c6 05 3a 1e 76 01 [ 91.580189] RDX: ffff8dc97bdac660 RSI: ffff8dc97bd9bf70 RDI: ffff8dc97bd9bf70 01 e8 14 1c 93 00 <0f> 0b c3 80 3d 2d 1e 76 01 00 75 b4 48 c7 c7[ 91.594545] RBP: ffffffffb9ac034d R08: 0000000000000000 R09: 0000000000000000 40 bd a5 b9 c6 05 1d # [ 89.900457] RSP: 0018:ffffad2e82acfe[ 91.608773] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 48 EFLAGS: 00010286 # [ 89.906343] RAX: 0000000000000000 RBX:[ 91.623058] R13: ffffad2e82bbff10 R14: ffffad2e82bbff10 R15: ffff8dc903238000 0000000000000033 RCX: 0000000000000000 # [ 89.914365] RDX: f[ 91.637192] FS: 00007f80ef6ad580(0000) GS:ffff8dc97bd80000(0000) knlGS:0000000000000000 fff8dc97bc2c660 RSI: ffff8dc97bc1bf70 RDI: ffff8dc97bc1bf70 # [[ 91.652624] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 89.922388] RBP: ffffffffb9ac0329 R08: 0000000000000000 R09: 0[ 91.665233] CR2: 00007f80ef4c6000 CR3: 0000000103fa2000 CR4: 00000000003506e0 000000000000000 # [ 89.930412] R10: 00000000ffffe000 R11: 3ff[ 91.679503] Call Trace: fffffffffffff R12: 0000000000000012 # [ 89.938437] R13: ffffa[ 91.688486] lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x60 d2e82acff10 R14: ffffad2e82acff10 R15: ffff8dc903b3c000 # [ 8[ 91.700206] direct_entry.cold+0x2c/0x38 9.946463] FS: 00007efc5f964580(0000) GS:ffff8dc97bc00000(0000) [ 91.710835] full_proxy_write+0x56/0x80 knlGS:0000000000000000 # [ 89.955557] CS: 0010 DS: 0000 ES: [ 91.721443] vfs_write+0xea/0x390 0000 CR0: 0000000080050033 # [ 89.962019] CR2: 00007efc5f77d0[ 91.731343] ksys_write+0x68/0xe0 00 CR3: 0000000102670000 CR4: 00000000003506f0 # [ 89.970044][ 91.741308] do_syscall_64+0x33/0x40 Call Trace: # [ 89.972819] lkdtm_REFCOUNT_INC_ZERO+0x99/0xb[ 91.751537] entry_SYSCALL_64_after_hwframe+0x44/0xa9 d # [ 89.984064] direct_entry.cold+0x2c/0x38 # [ 89.98849[ 91.763475] RIP: 0033:0x7f80ef5d5f33 5] full_proxy_write+0x56/0x80 # [ 89.992823] vfs_write+0xea[ 91.773798] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 /0x390 # [ 90.002763] ksys_write+0x68/0xe0 # [ 90.006509][ 91.801113] RSP: 002b:00007ffcce241468 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 do_syscall_64+0x33/0x40 # [ 90.010545] entry_SYSCALL_64_af[ 91.815833] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f80ef5d5f33 ter_hwframe+0x44/0xa9 # [ 90.022422] RIP: 0033:0x7efc5f88cf33[ 91.830126] RDX: 0000000000000017 RSI: 00007f80ef4c6000 RDI: 0000000000000001 # [ 90.026455] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 [ 91.844298] RBP: 00007f80ef4c6000 R08: 00007f80ef4c5010 R09: 0000000000000000 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 1[ 91.858557] R10: 00007f80ef6d01c0 R11: 0000000000000246 R12: 0000000000000001 4 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 [ 91.872743] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 48 83 ec 28 48 89 54 24 18 # [ 90.047530] RSP: 002b:00007ffc3[ 91.887103] irq event stamp: 0 4960d98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 90.05[ 91.896631] hardirqs last enabled at (0): [<0000000000000000>] 0x0 6051] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007efc5[ 91.910013] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 f88cf33 # [ 90.070270] RDX: 0000000000000012 RSI: 00007efc5f7[ 91.925422] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 7d000 RDI: 0000000000000001 # [ 90.084510] RBP: 00007efc5f77d[ 91.940858] softirqs last disabled at (0): [<0000000000000000>] 0x0 000 R08: 00007efc5f77c010 R09: 0000000000000000 # [ 90.092534[ 91.954129] ---[ end trace 1a91beaac65af0de ]--- ] R10: 00007efc5f9871c0 R11: 0000000000000246 R12: 0000000000000[ 91.965521] lkdtm: Saturation detected: still saturated 001 # [ 90.100559] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 90.108598] irq event stamp: 0 # [ 90.118270] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 90.125321] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 90.134509] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 90.143702] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 90.150752] ---[ end trace 1a91beaac65af0dc ]--- # [ 90.155949] lkdtm: Zero detected: saturated # REFCOUNT_INC_ZERO: saw 'call trace:': ok ok 50 selftests: lkdtm: REFCOUNT_INC_ZERO.sh # selftests: lkdtm: REFCOUNT_ADD_ZERO.sh # [ 90.461140] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO # [ 90.472392] lkdtm: attempting safe refcount_add_not_zero() from zero # [ 90.485762] lkdtm: Good: zero detected # [ 90.496228] lkdtm: Correctly stayed at zero # [ 90.507360] lkdtm: attempting bad refcount_add() from zero # [ 90.519541] ------------[ cut here ]------------ # [ 90.531150] refcount_t: addition on 0; use-after-free. # [ 90.543174] WARNING: CPU: 3 PID: 2349 at lib/refcount.c:25 refcount_warn_saturate+0x68/0xf0 # [ 90.558695] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 90.580781] CPU: 3 PID: 2349 Comm: cat Tainted: G D W 5.10.126-cip11 #1 # [ 90.595869] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 90.608673] RIP: 0010:refcount_warn_saturate+0x68/0xf0 # [ 90.620670] Code: 05 5a 1e 76 01 01 e8 33 1c 93 00 0f 0b c3 80 3d 4a 1e 76 01 00 75 d3 48 c7 c7 68 bd a5 b9 c6 05 3a 1e 76 01 01 e8 14 1c 93 00 <0f> 0b c3 80 3d 2d 1e 76 01 00 75 b4 48 c7 c7 40 bd a5 b9 c6 05 1d # [ 90.647844] RSP: 0018:ffffad2e82b4fe48 EFLAGS: 00010286 # [ 90.659979] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000 # [ 90.674201] RDX: ffff8dc97bdac660 RSI: ffff8dc97bd9bf70 RDI: ffff8dc97bd9bf70 # [ 90.688453] RBP: ffffffffb9ac033b R08: 0000000000000000 R09: 0000000000000000 # [ 90.702671] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 90.716953] R13: ffffad2e82b4ff10 R14: ffffad2e82b4ff10 R15: ffff8dc902796000 # [ 90.731159] FS: 00007f4185255580(0000) GS:ffff8dc97bd80000(0000) knlGS:0000000000000000 # [ 90.746467] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 90.759114] CR2: 00007f418506e000 CR3: 0000000103fa2000 CR4: 00000000003506e0 # [ 90.773296] Call Trace: # [ 90.782345] lkdtm_REFCOUNT_ADD_ZERO+0x99/0xbd # [ 90.793537] direct_entry.cold+0x2c/0x38 # [ 90.804256] full_proxy_write+0x56/0x80 # [ 90.814747] vfs_write+0xea/0x390 # [ 90.824723] ksys_write+0x68/0xe0 # [ 90.834643] do_syscall_64+0x33/0x40 # [ 90.844919] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 90.856774] RIP: 0033:0x7f418517df33 # [ 90.867061] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 90.894300] RSP: 002b:00007ffc64cb57e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 90.909021] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f418517df33 # [ 90.923176] RDX: 0000000000000012 RSI: 00007f418506e000 RDI: 0000000000000001 # [ 90.937539] RBP: 00007f418506e000 R08: 00007f418506d010 R09: 0000000000000000 # [ 90.951738] R10: 00007f41852781c0 R11: 0000000000000246 R12: 000[ 92.324457] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED 0000000000001 # [ 90.965962] R13: 0000000000000001 R14: 00000[ 92.333376] lkdtm: attempting bad refcount_dec() from saturated 00000020000 R15: 0000000000020000 # [ 90.980190] irq event st[ 92.346238] ------------[ cut here ]------------ amp: 0 # [ 90.989822] hardirqs last enabled at (0): [<000000[ 92.357635] refcount_t: decrement hit 0; leaking memory. 0000000000>] 0x0 # [ 91.003145] hardirqs last disabled at (0)[ 92.369931] WARNING: CPU: 3 PID: 2419 at lib/refcount.c:31 refcount_warn_saturate+0xdf/0xf0 : [] copy_process+0x63c/0x1c80 # [ 91.01851[ 92.385455] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 4] softirqs last enabled at (0): [] copy_proc[ 92.407651] CPU: 3 PID: 2419 Comm: cat Tainted: G D W 5.10.126-cip11 #1 ess+0x63c/0x1c80 # [ 91.033942] softirqs last disabled at (0)[ 92.422544] Hardware name: Google Coral/Coral, BIOS 09/29/2020 : [<0000000000000000>] 0x0 # [ 91.047206] ---[ end trace 1a91[ 92.435425] RIP: 0010:refcount_warn_saturate+0xdf/0xf0 beaac65af0dd ]--- # [ 91.058608] lkdtm: Zero detected: satura[ 92.447435] Code: ff 48 c7 c7 f0 bd a5 b9 c6 05 d6 1d 76 01 01 e8 b3 1b 93 00 0f 0b c3 48 c7 c7 c0 bd a5 b9 c6 05 c1 1d 76 01 01 e8 9d 1b 93 00 <0f> 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b 07 3d 00 00 ted # REFCOUNT_ADD_ZERO: saw 'call trace:': ok ok 51 selftests[ 92.474740] RSP: 0018:ffffad2e82c3fe48 EFLAGS: 00010286 : lkdtm: REFCOUNT_ADD_ZERO.sh # selftests: lkdtm: REFCOUNT_INC_[ 92.486827] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000 SATURATED.sh # [ 91.401905] lkdtm: Performing direct entry RE[ 92.501078] RDX: ffff8dc97bdac660 RSI: ffff8dc97bd9bf70 RDI: ffff8dc97bd9bf70 FCOUNT_INC_SATURATED # [ 91.412931] lkdtm: attempting bad ref[ 92.515341] RBP: ffffffffb9ac0364 R08: 0000000000000000 R09: 0000000000000000 count_inc() from saturated # [ 91.425850] ------------[ cut h[ 92.529577] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 ere ]------------ # [ 91.437262] refcount_t: saturated; leaki[ 92.543852] R13: ffffad2e82c3ff10 R14: ffffad2e82c3ff10 R15: ffff8dc904f80000 ng memory. # [ 91.448914] WARNING: CPU: 3 PID: 2384 at lib/re[ 92.558079] FS: 00007fd632e8e580(0000) GS:ffff8dc97bd80000(0000) knlGS:0000000000000000 fcount.c:22 refcount_warn_saturate+0x49/0xf0 # [ 91.464719] M[ 92.573417] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 odules linked in: fuse ip_tables cros_ec_lightbar cros_ec_charde[ 92.586086] CR2: 00007fd632ca7000 CR3: 0000000104e72000 CR4: 00000000003506e0 v cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev[ 92.600350] Call Trace: cros_usbpd_notify # [ 91.486760] CPU: 3 PID: 2384 Comm: cat [ 92.609371] lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5b Tainted: G D W 5.10.126-cip11 #1 # [ 91.501830] [ 92.621316] direct_entry.cold+0x2c/0x38 Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 91.51[ 92.631728] full_proxy_write+0x56/0x80 4550] RIP: 0010:refcount_warn_saturate+0x49/0xf0 # [ 91.52683[ 92.642411] vfs_write+0xea/0x390 8] Code: 76 01 00 0f 84 a4 00 00 00 c3 85 f6 74 3e 80 3d 6a 1e 7[ 92.652166] ksys_write+0x68/0xe0 6 01 00 75 f2 48 c7 c7 40 bd a5 b9 c6 05 5a 1e 76 01 01 e8 33 1c[ 92.662165] do_syscall_64+0x33/0x40 93 00 <0f> 0b c3 80 3d 4a 1e 76 01 00 75 d3 48 c7 c7 68 bd a5 b[ 92.672488] entry_SYSCALL_64_after_hwframe+0x44/0xa9 9 c6 05 3a # [ 91.553870] RSP: 0018:ffffad2e82bbfe48 EFLAGS: [ 92.684279] RIP: 0033:0x7fd632db6f33 00010286 # [ 91.566095] RAX: 0000000000000000 RBX: 0000000000[ 92.694668] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 000035 RCX: 0000000000000000 # [ 91.580189] RDX: ffff8dc97bda[ 92.721817] RSP: 002b:00007ffc05feae68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 c660 RSI: ffff8dc97bd9bf70 RDI: ffff8dc97bd9bf70 # [ 91.59454[ 92.736644] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007fd632db6f33 5] RBP: ffffffffb9ac034d R08: 0000000000000000 R09: 000000000000[ 92.750762] RDX: 0000000000000017 RSI: 00007fd632ca7000 RDI: 0000000000000001 0000 # [ 91.608773] R10: 00000000ffffe000 R11: 3fffffffffffff[ 92.765067] RBP: 00007fd632ca7000 R08: 00007fd632ca6010 R09: 0000000000000000 ff R12: 0000000000000017 # [ 91.623058] R13: ffffad2e82bbff10[ 92.779252] R10: 00007fd632eb11c0 R11: 0000000000000246 R12: 0000000000000001 R14: ffffad2e82bbff10 R15: ffff8dc903238000 # [ 91.637192] F[ 92.793504] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 S: 00007f80ef6ad580(0000) GS:ffff8dc97bd80000(0000) knlGS:00000[ 92.807743] irq event stamp: 0 00000000000 # [ 91.652624] CS: 0010 DS: 0000 ES: 0000 CR0: 0[ 92.817443] hardirqs last enabled at (0): [<0000000000000000>] 0x0 000000080050033 # [ 91.665233] CR2: 00007f80ef4c6000 CR3: 000[ 92.830665] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 0000103fa2000 CR4: 00000000003506e0 # [ 91.679503] Call Trace[ 92.846101] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 : # [ 91.688486] lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x60 # [[ 92.861501] softirqs last disabled at (0): [<0000000000000000>] 0x0 91.700206] direct_entry.cold+0x2c/0x38 # [ 91.710835] fu[ 92.874816] ---[ end trace 1a91beaac65af0df ]--- ll_proxy_write+0x56/0x80 # [ 91.721443] vfs_write+0xea/0x390[ 92.886188] lkdtm: Saturation detected: still saturated # [ 91.731343] ksys_write+0x68/0xe0 # [ 91.741308] do_syscall_64+0x33/0x40 # [ 91.751537] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 91.763475] RIP: 0033:0x7f80ef5d5f33 # [ 91.773798] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 91.801113] RSP: 002b:00007ffcce241468 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 91.815833] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f80ef5d5f33 # [ 91.830126] RDX: 0000000000000017 RSI: 00007f80ef4c6000 RDI: 0000000000000001 # [ 91.844298] RBP: 00007f80ef4c6000 R08: 00007f80ef4c5010 R09: 0000000000000000 # [ 91.858557] R10: 00007f80ef6d01c0 R11: 0000000000000246 R12: 0000000000000001 # [ 91.872743] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 91.887103] irq event stamp: 0 # [ 91.896631] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 91.910013] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 91.925422] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 91.940858] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 91.954129] ---[ end trace 1a91beaac65af0de ]--- # [ 91.965521] lkdtm: Saturation detected: still saturated # REFCOUNT_INC_SATURATED: saw 'Saturation detected: still saturated': ok ok 52 selftests: lkdtm: REFCOUNT_INC_SATURATED.sh # selftests: lkdtm: REFCOUNT_DEC_SATURATED.sh # [ 92.324457] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED # [ 92.333376] lkdtm: attempting bad refcount_dec() from saturated # [ 92.346238] ------------[ cut here ]------------ # [ 92.357635] refcount_t: decrement hit 0; leaking memory. # [ 92.369931] WARNING: CPU: 3 PID: 2419 at lib/refcount.c:31 refcount_warn_saturate+0xdf/0xf0 # [ 92.385455] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 92.407651] CPU: 3 PID: 2419 Comm: cat Tainted: G D W 5.10.126-cip11 #1 # [ 92.422544] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 92.435425] RIP: 0010:refcount_warn_saturate+0xdf/0xf0 # [ 92.447435] Code: ff 48 c7 c7 f0 bd a5 b9 c6 05 d6 1d 76 01 01 e8 b3 1b 93 00 0f 0b c3 48 c7 c7 c0 bd a5 b9 c6 05 c1 1d 76 01 01 e8 9d 1b 93 00 <0f> 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b 07 3d 00 00 # [ 92.474740] RSP: 0018:ffffad2e82c3fe48 EFLAGS: 00010286 # [ 92.486827] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000 # [ 92.501078] RDX: ffff8dc97bdac660 RSI: ffff8dc97bd9bf70 RDI: ffff8dc97bd9bf70 # [ 92.515341] RBP: ffffffffb9ac0364 R08: 0000000000000000 R09: 0000000000000000 # [ 92.529577] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 92.543852] R13: ffffad2e82c3ff10 R14: ffffad2e82c3ff10 R15: ffff8dc904f80000 # [ 92.558079] FS: 00007fd632e8e580(0000) GS:ffff8dc97bd80000(0000) knlGS:0000000000000000 # [ 92.573417] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 92.586086] CR2: 00007fd632ca7000 CR3: 0000000104e72000 CR4: 00000000[ 93.215753] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED 003506e0 # [ 92.600350] Call Trace: # [ 92.609371] lkdtm_[ 93.223040] lkdtm: attempting bad refcount_dec() from saturated REFCOUNT_DEC_SATURATED+0x37/0x5b # [ 92.621316] direct_entry[ 93.235932] ------------[ cut here ]------------ .cold+0x2c/0x38 # [ 92.631728] full_proxy_write+0x56/0x80 #[ 93.247411] refcount_t: saturated; leaking memory. [ 92.642411] vfs_write+0xea/0x390 # [ 92.652166] ksys_wr[ 93.259291] WARNING: CPU: 3 PID: 2454 at lib/refcount.c:22 refcount_warn_saturate+0x49/0xf0 ite+0x68/0xe0 # [ 92.662165] do_syscall_64+0x33/0x40 # [ [ 93.274624] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 92.672488] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 92.6[ 93.297202] CPU: 3 PID: 2454 Comm: cat Tainted: G D W 5.10.126-cip11 #1 84279] RIP: 0033:0x7fd632db6f33 # [ 92.694668] Code: 8b 15 61[ 93.311785] Hardware name: Google Coral/Coral, BIOS 09/29/2020 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 [ 93.324798] RIP: 0010:refcount_warn_saturate+0x49/0xf0 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00[ 93.336707] Code: 76 01 00 0f 84 a4 00 00 00 c3 85 f6 74 3e 80 3d 6a 1e 76 01 00 75 f2 48 c7 c7 40 bd a5 b9 c6 05 5a 1e 76 01 01 e8 33 1c 93 00 <0f> 0b c3 80 3d 4a 1e 76 01 00 75 d3 48 c7 c7 68 bd a5 b9 c6 05 3a f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ [ 93.364088] RSP: 0018:ffffad2e82cc7e48 EFLAGS: 00010286 92.721817] RSP: 002b:00007ffc05feae68 EFLAGS: 00000246 ORIG_RAX[ 93.376121] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000 : 0000000000000001 # [ 92.736644] RAX: ffffffffffffffda RBX: [ 93.390374] RDX: ffff8dc97bdac660 RSI: ffff8dc97bd9bf70 RDI: ffff8dc97bd9bf70 0000000000000017 RCX: 00007fd632db6f33 # [ 92.750762] RDX: 00[ 93.404603] RBP: ffffffffb9ac037b R08: 0000000000000000 R09: 0000000000000000 00000000000017 RSI: 00007fd632ca7000 RDI: 0000000000000001 # [ [ 93.418856] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 92.765067] RBP: 00007fd632ca7000 R08: 00007fd632ca6010 R09: 00[ 93.433120] R13: ffffad2e82cc7f10 R14: ffffad2e82cc7f10 R15: ffff8dc904ced000 00000000000000 # [ 92.779252] R10: 00007fd632eb11c0 R11: 0000[ 93.447388] FS: 00007f76d90b9580(0000) GS:ffff8dc97bd80000(0000) knlGS:0000000000000000 000000000246 R12: 0000000000000001 # [ 92.793504] R13: 000000[ 93.462651] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 0000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 92[ 93.475377] CR2: 00007f76d8ed2000 CR3: 0000000103136000 CR4: 00000000003506e0 .807743] irq event stamp: 0 # [ 92.817443] hardirqs last ena[ 93.489577] Call Trace: bled at (0): [<0000000000000000>] 0x0 # [ 92.830665] hardirqs[ 93.498610] lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x60 last disabled at (0): [] copy_process+0x63c/0[ 93.510249] direct_entry.cold+0x2c/0x38 x1c80 # [ 92.846101] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 92.861501] softirqs[ 93.531535] vfs_write+0xea/0x390 last disabled at (0): [<0000000000000000>] 0x0 # [ 92.874816[ 93.541431] ksys_write+0x68/0xe0 ] ---[ end trace 1a91beaac65af0df ]--- # [ 92.886188] lkdtm: [ 93.551432] do_syscall_64+0x33/0x40 Saturation detected: still saturated # REFCOUNT_DEC_SATURATED: [ 93.561658] entry_SYSCALL_64_after_hwframe+0x44/0xa9 saw 'Saturation detected: still saturated': ok ok 53 selftests:[ 93.573589] RIP: 0033:0x7f76d8fe1f33 lkdtm: REFCOUNT_DEC_SATURATED.sh # selftests: lkdtm: REFCOUNT_[ 93.583784] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 ADD_SATURATED.sh [ 93.611127] RSP: 002b:00007ffdc9020198 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 93.621322] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f76d8fe1f33 [ 93.629434] RDX: 0000000000000017 RSI: 00007f76d8ed2000 RDI: 0000000000000001 [ 93.637531] RBP: 00007f76d8ed2000 R08: 00007f76d8ed1010 R09: 0000000000000000 [ 93.645663] R10: 00007f76d90dc1c0 R11: 0000000000000246 R12: 0000000000000001 [ 93.653760] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 93.661897] irq event stamp: 0 [ 93.665416] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 93.672569] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 93.681844] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 93.691168] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 93.698293] ---[ end trace 1a91beaac65af0e0 ]--- [ 93.703603] lkdtm: Saturation detected: still saturated # [ 93.215753] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED # [ 93.223040] lkdtm: attempting bad refcount_dec() from saturated # [ 93.235932] ------------[ cut here ]------------ # [ 93.247411] refcount_t: saturated; leaking memory. # [ 93.259291] WARNING: CPU: 3 PID: 2454 at lib/refcount.c:22 refcount_warn_saturate+0x49/0xf0 # [ 93.274624] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 93.297202] CPU: 3 PID: 2454 Comm: cat Tainted: G D W 5.10.126-cip11 #1 # [ 93.311785] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 93.324798] RIP: 0010:refcount_warn_saturate+0x49/0xf0 # [ 93.336707] Code: 76 01 00 0f 84 a4 00 00 00 c3 85 f6 74 3e 80 3d 6a 1e 76 01 00 75 f2 48 c7 c7 40 bd a5 b9 c6 05 5a 1e 76 01 01 e8 33 1c 93 00 <0f> 0b c3 80 3d 4a 1e 76 01 00 75 d3 48 c7 c7 68 bd a5 b9 c6 05 3a # [ 93.364088] RSP: 0018:ffffad2e82cc7e48 EFLAGS: 00010286 # [ 93.376121] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000 # [ 93.390374] RDX: ffff8dc97bdac660 RSI: ffff8dc97bd9bf70 RDI: ffff8dc97bd9bf70 # [ 93.404603] RBP: ffffffffb9ac037b R08: 0000000000000000 R09: 0000000000000000 # [ 93.418856] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 93.433120] R13: ffffad2e82cc7f10 R14: ffffad2e82cc7f10 R15: ffff8dc904ced000 # [ 93.447388] FS: 00007f76d90b9580(0000) GS:ffff8dc97bd80000(0000) knlGS:0000000000000000 # [ 93.462651] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 93.475377] CR2: 00007f76d8ed2000 CR3: 0000000103136000 CR4: 00000000003506e0 # [ 93.489577] Call Trace: # [ 93.498610] lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x60 # [ 93.510249] direct_entry.cold+0x2c/0x38 # [ 93.520926] full_proxy_write+0x56/0x80 # [ 93.531535] vfs_write+0xea/0x390 # [ 93.541431] ksys_write+0x68/0xe0 # [ 93.551432] do_syscall_64+0x33/0x40 # [ 93.561658] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 93.573589] RIP: 0033:0x7f76d8fe1f33 # [ 93.583784] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 93.611127] RSP: 002b:00007ffdc9020198 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 93.621322] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f76d8fe1f33 # [ 93.629434] RDX: 0000000000000017 RSI: 00007f76d8ed2000 RDI: 0000000000000001 # [ 93.637531] RBP: 00007f76d8ed2000 R08: 00007f76d8ed1010 R09: 0000000000000000 # [ 93.645663] R10: 00007f76d90dc1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 93.653760] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 93.661897] irq event stamp: 0 # [ 93.665416] hardirqs last enabled at (0): [<0[ 94.071088] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED 000000000000000>] 0x0 # [ 93.672569] hardirqs last disabled a[ 94.080988] lkdtm: attempting bad refcount_inc_not_zero() from saturated t (0): [] copy_process+0x63c/0x1c80 # [ 93.[ 94.094757] ------------[ cut here ]------------ 681844] softirqs last enabled at (0): [] copy[ 94.106146] refcount_t: saturated; leaking memory. _process+0x63c/0x1c80 # [ 93.691168] softirqs last disabled a[ 94.117799] WARNING: CPU: 3 PID: 2486 at lib/refcount.c:19 refcount_warn_saturate+0x87/0xf0 t (0): [<0000000000000000>] 0x0 # [ 93.698293] ---[ end trace[ 94.133341] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 1a91beaac65af0e0 ]--- # [ 93.703603] lkdtm: Saturation detec[ 94.155643] CPU: 3 PID: 2486 Comm: cat Tainted: G D W 5.10.126-cip11 #1 ted: still saturated # REFCOUNT_ADD_SATURATED: saw 'Saturation [ 94.170523] Hardware name: Google Coral/Coral, BIOS 09/29/2020 detected: still saturated': ok ok 54 selftests: lkdtm: REFCOUNT[ 94.183401] RIP: 0010:refcount_warn_saturate+0x87/0xf0 _ADD_SATURATED.sh # selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_SAT[ 94.195392] Code: 05 3a 1e 76 01 01 e8 14 1c 93 00 0f 0b c3 80 3d 2d 1e 76 01 00 75 b4 48 c7 c7 40 bd a5 b9 c6 05 1d 1e 76 01 01 e8 f5 1b 93 00 <0f> 0b c3 80 3d 0b 1e 76 01 00 75 95 48 c7 c7 98 bd a5 b9 c6 05 fb URATED.sh [ 94.222702] RSP: 0018:ffffad2e82cf7e38 EFLAGS: 00010282 [ 94.229621] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 [ 94.237639] RDX: ffff8dc97bdac660 RSI: ffff8dc97bd9bf70 RDI: ffff8dc97bd9bf70 [ 94.245663] RBP: ffffffffb9abffa8 R08: 0000000000000000 R09: 0000000000000000 [ 94.253709] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 [ 94.261727] R13: ffffad2e82cf7f10 R14: ffffad2e82cf7f10 R15: ffff8dc904b9c000 [ 94.269746] FS: 00007f08365d0580(0000) GS:ffff8dc97bd80000(0000) knlGS:0000000000000000 [ 94.278833] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 94.285318] CR2: 00007f08363e9000 CR3: 00000001029ea000 CR4: 00000000003506e0 [ 94.293340] Call Trace: [ 94.296116] __refcount_add_not_zero.constprop.0+0x2a/0x31 [ 94.302286] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x72 [ 94.308661] direct_entry.cold+0x2c/0x38 [ 94.313112] full_proxy_write+0x56/0x80 [ 94.317448] vfs_write+0xea/0x390 [ 94.321195] ksys_write+0x68/0xe0 [ 94.324942] do_syscall_64+0x33/0x40 [ 94.328979] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 94.334667] RIP: 0033:0x7f08364f8f33 [ 94.338697] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 94.359794] RSP: 002b:00007ffef00fc7a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 94.368368] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f08364f8f33 [ 94.376787] RDX: 0000000000000020 RSI: 00007f08363e9000 RDI: 0000000000000001 [ 94.384842] RBP: 00007f08363e9000 R08: 00007f08363e8010 R09: 0000000000000000 [ 94.393116] R10: 00007f08365f31c0 R11: 0000000000000246 R12: 0000000000000001 [ 94.401364] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 94.409552] irq event stamp: 0 [ 94.413142] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 94.420234] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 94.429626] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 94.438935] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 94.446146] ---[ end trace 1a91beaac65af0e1 ]--- [ 94.451480] lkdtm: Saturation detected: still saturated # [ 94.071088] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED # [ 94.080988] lkdtm: attempting bad refcount_inc_not_zero() from saturated # [ 94.094757] ------------[ cut here ]------------ # [ 94.106146] refcount_t: saturated; leaking memory. # [ 94.117799] WARNING: CPU: 3 PID: 2486 at lib/refcount.c:19 refcount_warn_saturate+0x87/0xf0 # [ 94.133341] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 94.155643] CPU: 3 PID: 2486 Comm: cat Tainted: G D W 5.10.126-cip11 #1 # [ 94.170523] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 94.183401] RIP: 0010:refcount_warn_saturate+0x87/0xf0 # [ 94.195392] Code: 05 3a 1e 76 01 01 e8 14 1c 93 00 0f 0b c3 80 3d 2d 1e 76 01 00 75 b4 48 c7 c7 40 bd a5 b9 c6 05 1d 1e 76 01 01 e8 f5 1b 93 00 <0f> 0b c3 80 3d 0b 1e 76 01 00 75 95 48 c7 c7 98 bd a5 b9 c6 05 fb # [ 94.222702] RSP: 0018:ffffad2e82cf7e38 EFLAGS: 00010282 # [ 94.229621] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 # [ 94.237639] RDX: ffff8dc97bdac660 RSI: ffff8dc97bd9bf70 RDI: ffff8dc97bd9bf70 # [ 94.245663] RBP: ffffffffb9abffa8 R08: 0000000000000000 R09: 0000000000000000 # [ 94.253709] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 94.261727] R13: ffffad2e82cf7f10 R14: ffffad2e82cf7f10 R15: ffff8dc904b9c000 # [ 94.269746] FS: 00007f08365d0580(0000) GS:ffff8dc97bd80000(0000) knlGS:0000000000000000 # [ 94.278833] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 94.285318] CR2: 00007f08363e9000 CR3: 00000001029ea000 CR4: 00000000003506e0 # [ 94.293340] Call Trace: # [ 94.296116] __refcount_add_not_zero.constprop.0+0x2a/0x31 # [ 94.302286] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x72 # [ 94.308661] direct_entry.cold+0x2c/0x38 # [ 94.313112] full_proxy_write+0x56/0x80 # [ 94.317448] vfs_write+0xea/0x390 # [ 94.321195] ksys_write+0x68/0xe0 # [ 94.324942] do_syscall_64+0x33/0x40 # [ 94.328979] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 94.334667] RIP: 0033:0x7f08364f8f33 # [ 94.338697] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 94.359794] RSP: 002b:00007ffef00fc7a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 94.368368] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f08364f8f33 # [ 94.376787] RDX: 0000000000000020 RSI: 00007f08363e9[ 94.801465] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED 000 RDI: 0000000000000001 # [ 94.384842] RBP: 00007f08363e900[ 94.811314] lkdtm: attempting bad refcount_add_not_zero() from saturated 0 R08: 00007f08363e8010 R09: 0000000000000000 # [ 94.393116] [ 94.825048] ------------[ cut here ]------------ R10: 00007f08365f31c0 R11: 0000000000000246 R12: 000000000000000[ 94.836448] refcount_t: saturated; leaking memory. 1 # [ 94.401364] R13: 0000000000000001 R14: 0000000000020000 [ 94.848175] WARNING: CPU: 3 PID: 2518 at lib/refcount.c:19 refcount_warn_saturate+0x87/0xf0 R15: 0000000000020000 # [ 94.409552] irq event stamp: 0 # [ [ 94.863698] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 94.413142] hardirqs last enabled at (0): [<0000000000000000>][ 94.885933] CPU: 3 PID: 2518 Comm: cat Tainted: G D W 5.10.126-cip11 #1 0x0 # [ 94.420234] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 94.429626] softirqs [ 94.913728] RIP: 0010:refcount_warn_saturate+0x87/0xf0 last enabled at (0): [] copy_process+0x63c/0x[ 94.925745] Code: 05 3a 1e 76 01 01 e8 14 1c 93 00 0f 0b c3 80 3d 2d 1e 76 01 00 75 b4 48 c7 c7 40 bd a5 b9 c6 05 1d 1e 76 01 01 e8 f5 1b 93 00 <0f> 0b c3 80 3d 0b 1e 76 01 00 75 95 48 c7 c7 98 bd a5 b9 c6 05 fb 1c80 # [ 94.438935] softirqs last disabled at (0): [<00000000[ 94.953040] RSP: 0018:ffffad2e82d77e38 EFLAGS: 00010282 00000000>] 0x0 # [ 94.446146] ---[ end trace 1a91beaac65af0e1[ 94.965113] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 ]--- # [ 94.451480] lkdtm: Saturation detected: still satura[ 94.979330] RDX: ffff8dc97bdac660 RSI: ffff8dc97bd9bf70 RDI: ffff8dc97bd9bf70 ted # REFCOUNT_INC_NOT_ZERO_SATURATED: saw 'call trace:': ok o[ 94.993563] RBP: ffffffffb9abffc8 R08: 0000000000000000 R09: 0000000000000000 k 55 selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_SATURATED.sh # sel[ 95.007757] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 ftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_SATURATED.sh [ 95.021991] R13: ffffad2e82d77f10 R14: ffffad2e82d77f10 R15: ffff8dc9040d3000 [ 95.034905] FS: 00007ff6c7f06580(0000) GS:ffff8dc97bd80000(0000) knlGS:0000000000000000 [ 95.043981] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 95.050448] CR2: 00007ff6c7d1f000 CR3: 000000010271a000 CR4: 00000000003506e0 [ 95.058454] Call Trace: [ 95.061228] __refcount_add_not_zero.constprop.0+0x2a/0x31 [ 95.067405] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x72 [ 95.073764] direct_entry.cold+0x2c/0x38 [ 95.078183] full_proxy_write+0x56/0x80 [ 95.082559] vfs_write+0xea/0x390 [ 95.086584] ksys_write+0x68/0xe0 [ 95.090414] do_syscall_64+0x33/0x40 [ 95.094738] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 95.100464] RIP: 0033:0x7ff6c7e2ef33 [ 95.104702] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 95.125906] RSP: 002b:00007fff7602ecb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 95.134651] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007ff6c7e2ef33 [ 95.142745] RDX: 0000000000000020 RSI: 00007ff6c7d1f000 RDI: 0000000000000001 [ 95.150908] RBP: 00007ff6c7d1f000 R08: 00007ff6c7d1e010 R09: 0000000000000000 [ 95.159003] R10: 00007ff6c7f291c0 R11: 0000000000000246 R12: 0000000000000001 [ 95.167153] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 95.175263] irq event stamp: 0 [ 95.178803] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 95.185923] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 95.195207] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 95.204464] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 95.211596] ---[ end trace 1a91beaac65af0e2 ]--- [ 95.216861] lkdtm: Saturation detected: still saturated # [ 94.801465] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED # [ 94.811314] lkdtm: attempting bad refcount_add_not_zero() from saturated # [ 94.825048] ------------[ cut here ]------------ # [ 94.836448] refcount_t: saturated; leaking memory. # [ 94.848175] WARNING: CPU: 3 PID: 2518 at lib/refcount.c:19 refcount_warn_saturate+0x87/0xf0 # [ 94.863698] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 94.885933] CPU: 3 PID: 2518 Comm: cat Tainted: G D W 5.10.126-cip11 #1 # [ 94.900842] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 94.913728] RIP: 0010:refcount_warn_saturate+0x87/0xf0 # [ 94.925745] Code: 05 3a 1e 76 01 01 e8 14 1c 93 00 0f 0b c3 80 3d 2d 1e 76 01 00 75 b4 48 c7 c7 40 bd a5 b9 c6 05 1d 1e 76 01 01 e8 f5 1b 93 00 <0f> 0b c3 80 3d 0b 1e 76 01 00 75 95 48 c7 c7 98 bd a5 b9 c6 05 fb # [ 94.953040] RSP: 0018:ffffad2e82d77e38 EFLAGS: 00010282 # [ 94.965113] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 # [ 94.979330] RDX: ffff8dc97bdac660 RSI: ffff8dc97bd9bf70 RDI: ffff8dc97bd9bf70 # [ 94.993563] RBP: ffffffffb9abffc8 R08: 0000000000000000 R09: 0000000000000000 # [ 95.007757] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 95.021991] R13: ffffad2e82d77f10 R14: ffffad2e82d77f10 R15: ffff8dc9040d3000 # [ 95.034905] FS: 00007ff6c7f06580(0000) GS:ffff8dc97bd80000(0000) knlGS:0000000000000000 # [ 95.043981] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 95.050448] CR2: 00007ff6c7d1f000 CR3: 000000010271a000 CR4: 00000000003506e0 # [ 95.058454] Call Trace: # [ 95.061228] __refcount_add_not_zero.constprop.0+0x2a/0x31 # [ 95.067405] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x72 # [ 95.073764] direct_entry.cold+0x2c/0x38 # [ 95.078183] full_proxy_write+0x56/0x80 # [ 95.082559] vfs_write+0xea/0x390 # [ 95.086584] ksys_write+0x68/0xe0 # [ 95.090414] do_syscall_64+0x33/0x40 # [ 95.094738] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 95.100464] RIP: 0033:0x7ff6c7e2ef33 # [ 95.104702] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 95.125906] RSP: 002b:00007fff7602ecb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 95.134651] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007ff6c7e2ef33 # [ 95.142745] RDX: 0000000000000020 RSI: 00007ff6c7d1f000 RDI: 00000[ 95.566241] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED [ 95.575489] lkdtm: attempting bad refcount_dec_and_test() from saturated [ 95.583069] ------------[ cut here ]------------ [ 95.588278] refcount_t: underflow; use-after-free. [ 95.593721] WARNING: CPU: 2 PID: 2553 at lib/refcount.c:28 refcount_warn_saturate+0xa6/0xf0 00000000001 # [ 95.150908] RBP: 00007ff6c7d1f000 R08: 00007ff[ 95.603110] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 95.625400] CPU: 2 PID: 2553 Comm: cat Tainted: G D W 5.10.126-cip11 #1 [ 95.634104] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 95.640770] RIP: 0010:refcount_warn_saturate+0xa6/0xf0 [ 95.646558] Code: 05 1d 1e 76 01 01 e8 f5 1b 93 00 0f 0b c3 80 3d 0b 1e 76 01 00 75 95 48 c7 c7 98 bd a5 b9 c6 05 fb 1d 76 01 01 e8 d6 1b 93 00 <0f> 0b c3 80 3d ea 1d 76 01 00 0f 85 72 ff ff ff 48 c7 c7 f0 bd a5 [ 95.667638] RSP: 0018:ffffad2e82defe40 EFLAGS: 00010286 [ 95.673524] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000 [ 95.681543] RDX: ffff8dc97bd2c660 RSI: ffff8dc97bd1bf70 RDI: ffff8dc97bd1bf70 [ 95.689571] RBP: ffffffffb9abffe8 R08: 0000000000000000 R09: 0000000000000000 [ 95.697578] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 [ 95.705601] R13: ffffad2e82deff10 R14: ffffad2e82deff10 R15: ffff8dc9028f3000 [ 95.713625] FS: 00007efe59b4a580(0000) GS:ffff8dc97bd00000(0000) knlGS:0000000000000000 [ 95.722719] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 95.729182] CR2: 00007efe59963000 CR3: 0000000102796000 CR4: 00000000003506e0 [ 95.737205] Call Trace: [ 95.739979] __refcount_sub_and_test.constprop.0+0x34/0x40 [ 95.746160] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x72 [ 95.752544] direct_entry.cold+0x2c/0x38 [ 95.756965] full_proxy_write+0x56/0x80 [ 95.761297] vfs_write+0xea/0x390 [ 95.765048] ksys_write+0x68/0xe0 [ 95.768795] do_syscall_64+0x33/0x40 [ 95.772830] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 95.778527] RIP: 0033:0x7efe59a72f33 [ 95.782564] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 6c7d1e010 R09: 0000000000000000 # [ 95.159003] R10: 00007ff6c[ 95.803631] RSP: 002b:00007ffe34b40c88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 95.818352] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007efe59a72f33 [ 95.826373] RDX: 0000000000000020 RSI: 00007efe59963000 RDI: 0000000000000001 [ 95.834385] RBP: 00007efe59963000 R08: 00007efe59962010 R09: 0000000000000000 7f291c0 R11: 0000000000000246 R12: 0000000000000001 # [ 95.16[ 95.842398] R10: 00007efe59b6d1c0 R11: 0000000000000246 R12: 0000000000000001 [ 95.856643] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 95.864671] irq event stamp: 0 [ 95.868109] hardirqs last enabled at (0): [<0000000000000000>] 0x0 7153] R13: 0000000000000001 R14: 0000000000020000 R15: 000000000[ 95.875155] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 95.890557] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 95.899748] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 95.906786] ---[ end trace 1a91beaac65af0e3 ]--- [ 95.911979] lkdtm: Saturation detected: still saturated 0020000 # [ 95.175263] irq event stamp: 0 # [ 95.178803] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 95.185923] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 95.195207] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 95.204464] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 95.211596] ---[ end trace 1a91beaac65af0e2 ]--- # [ 95.216861] lkdtm: Saturation detected: still saturated # REFCOUNT_ADD_NOT_ZERO_SATURATED: saw 'call trace:': ok ok 56 selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_SATURATED.sh # selftests: lkdtm: REFCOUNT_DEC_AND_TEST_SATURATED.sh # [ 95.566241] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED # [ 95.575489] lkdtm: attempting bad refcount_dec_and_test() from saturated # [ 95.583069] ------------[ cut here ]------------ # [ 95.588278] refcount_t: underflow; use-after-free. # [ 95.593721] WARNING: CPU: 2 PID: 2553 at lib/refcount.c:28 refcount_warn_saturate+0xa6/0xf0 # [ 95.603110] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 95.625400] CPU: 2 PID: 2553 Comm: cat Tainted: G D W 5.10.126-cip11 #1 # [ 95.634104] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 95.640770] RIP: 0010:refcount_warn_saturate+0xa6/0xf0 # [ 95.646558] Code: 05 1d 1e 76 01 01 e8 f5 1b 93 00 0f 0b c3 80 3d 0b 1e 76 01 00 75 95 48 c7 c7 98 bd a5 b9 c6 05 fb 1d 76 01 01 e8 d6 1b 93 00 <0f> 0b c3 80 3d ea 1d 76 01 00 0f 85 72 ff ff ff 48 c7 c7 f0 bd a5 # [ 95.667638] RSP: 0018:ffffad2e82defe40 EFLAGS: 00010286 # [ 95.673524] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000 # [ 95.681543] RDX: ffff8dc97bd2c660 RSI: ffff8dc97bd1bf70 RDI: ffff8dc97bd1bf70 # [ 95.689571] RBP: ffffffffb9abffe8 R08: 0000000000000000 R09: 0000000000000000 # [ 95.697578] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 95.705601] R13: ffffad2e82deff10 R14: ffffad2e82deff10 R15: ffff8dc9028f3000 # [ 95.713625] FS: 00007efe59b4a580(0000) GS:ffff8dc97bd00000(0000) knlGS:0000000000000000 # [ 95.722719] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 95.729182] CR2: 00007efe59963000 CR3: 0000000102796000 CR4: 00000000003506e0 # [ 95.737205] Call Trace: # [ 95.739979] __refcount_sub_and_test.constprop.0+0x34/0x40 # [ 95.746160] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x72 # [ 95.752544] direct_entry.cold+0x2c/0x38 # [ 95.756965] full_proxy_write+0x56/0x80 # [ 95.761297] vfs_write+0xea/0x390 # [ 95.765048] ksys_write+0x68/0xe0 # [ 95.768795] do_syscall_64+0x33/0x40 # [ 95.772830] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 95.778527] RIP: 0033:0x7efe59a72f33 # [ 95.782564] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 95.803631] RSP: 002b:00007ffe34b40c88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 95.818352] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007efe59a72f33 # [ 95.826373] RDX: 0000000000000020 RSI: 00007efe59963000 RDI: 0000000000000001 # [ 95.834385] RBP: 00007efe59963000 R08: 00007efe59962010 R09: 0000000000000000 # [ 95.842398] R10: 00007efe59b6d1c0 R11: 00[ 96.269546] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED 00000000000246 R12: 0000000000000001 # [ 95.856643] R13: 0000[ 96.278767] lkdtm: attempting bad refcount_sub_and_test() from saturated [ 96.292508] ------------[ cut here ]------------ [ 96.297701] refcount_t: underflow; use-after-free. 000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ [ 96.303141] WARNING: CPU: 1 PID: 2588 at lib/refcount.c:28 refcount_warn_saturate+0xa6/0xf0 [ 96.318752] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 96.334840] CPU: 1 PID: 2588 Comm: cat Tainted: G D W 5.10.126-cip11 #1 [ 96.343566] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 96.350234] RIP: 0010:refcount_warn_saturate+0xa6/0xf0 [ 96.356018] Code: 05 1d 1e 76 01 01 e8 f5 1b 93 00 0f 0b c3 80 3d 0b 1e 76 01 00 75 95 48 c7 c7 98 bd a5 b9 c6 05 fb 1d 76 01 01 e8 d6 1b 93 00 <0f> 0b c3 80 3d ea 1d 76 01 00 0f 85 72 ff ff ff 48 c7 c7 f0 bd a5 [ 96.377072] RSP: 0018:ffffad2e82e8fe40 EFLAGS: 00010286 [ 96.382942] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000 [ 96.390961] RDX: ffff8dc97bcac660 RSI: ffff8dc97bc9bf70 RDI: ffff8dc97bc9bf70 [ 96.398978] RBP: ffffffffb9ac0008 R08: 0000000000000000 R09: 0000000000000000 [ 96.406996] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 [ 96.415012] R13: ffffad2e82e8ff10 R14: ffffad2e82e8ff10 R15: ffff8dc902af0000 [ 96.423036] FS: 00007f1fa5deb580(0000) GS:ffff8dc97bc80000(0000) knlGS:0000000000000000 [ 96.432121] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 96.438571] CR2: 00007f1fa5c04000 CR3: 0000000103110000 CR4: 00000000003506e0 [ 96.446585] Call Trace: [ 96.449355] __refcount_sub_and_test.constprop.0+0x34/0x40 [ 96.455520] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x72 [ 96.461894] direct_entry.cold+0x2c/0x38 [ 96.466319] full_proxy_write+0x56/0x80 [ 96.470646] vfs_write+0xea/0x390 [ 96.474386] ksys_write+0x68/0xe0 [ 96.478128] do_syscall_64+0x33/0x40 [ 96.482162] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 96.487849] RIP: 0033:0x7f1fa5d13f33 [ 96.491877] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 96.512945] RSP: 002b:00007ffe2b124e08 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 96.521440] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f1fa5d13f33 [ 96.529456] RDX: 0000000000000020 RSI: 00007f1fa5c04000 RDI: 0000000000000001 [ 96.537473] RBP: 00007f1fa5c04000 R08: 00007f1fa5c03010 R09: 0000000000000000 [ 96.545488] R10: 00007f1fa5e0e1c0 R11: 0000000000000246 R12: 0000000000000001 95.864671] irq event stamp: 0 # [ 95.868109] hardirqs last e[ 96.553515] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 nabled at (0): [<0000000000000000>] 0x0 # [ 95.875155] hardir[ 96.567757] irq event stamp: 0 qs last disabled at (0): [] copy_process+0x63c[ 96.577410] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 96.590683] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 96.599864] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 96.609052] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 96.616087] ---[ end trace 1a91beaac65af0e4 ]--- [ 96.621277] lkdtm: Saturation detected: still saturated /0x1c80 # [ 95.890557] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 95.899748] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 95.906786] ---[ end trace 1a91beaac65af0e3 ]--- # [ 95.911979] lkdtm: Saturation detected: still saturated # REFCOUNT_DEC_AND_TEST_SATURATED: saw 'Saturation detected: still saturated': ok ok 57 selftests: lkdtm: REFCOUNT_DEC_AND_TEST_SATURATED.sh # selftests: lkdtm: REFCOUNT_SUB_AND_TEST_SATURATED.sh # [ 96.269546] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED # [ 96.278767] lkdtm: attempting bad refcount_sub_and_test() from saturated # [ 96.292508] ------------[ cut here ]------------ # [ 96.297701] refcount_t: underflow; use-after-free. # [ 96.303141] WARNING: CPU: 1 PID: 2588 at lib/refcount.c:28 refcount_warn_saturate+0xa6/0xf0 # [ 96.318752] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 96.334840] CPU: 1 PID: 2588 Comm: cat Tainted: G D W 5.10.126-cip11 #1 # [ 96.343566] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 96.350234] RIP: 0010:refcount_warn_saturate+0xa6/0xf0 # [ 96.356018] Code: 05 1d 1e 76 01 01 e8 f5 1b 93 00 0f 0b c3 80 3d 0b 1e 76 01 00 75 95 48 c7 c7 98 bd a5 b9 c6 05 fb 1d 76 01 01 e8 d6 1b 93 00 <0f> 0b c3 80 3d ea 1d 76 01 00 0f 85 72 ff ff ff 48 c7 c7 f0 bd a5 # [ 96.377072] RSP: 0018:ffffad2e82e8fe40 EFLAGS: 00010286 # [ 96.382942] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000 # [ 96.390961] RDX: ffff8dc97bcac660 RSI: ffff8dc97bc9bf70 RDI: ffff8dc97bc9bf70 # [ 96.398978] RBP: ffffffffb9ac0008 R08: 0000000000000000 R09: 0000000000000000 # [ 96.406996] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 96.415012] R13: ffffad2e82e8ff10 R14: ffffad2e82e8ff10 R15: ffff8dc902af0000 # [ 96.423036] FS: 00007f1fa5deb580(0000) GS:ffff8dc97bc80000(0000) knlGS:0000000000000000 # [ 96.432121] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 96.438571] CR2: 00007f1fa5c04000 CR3: 0000000103110000 CR4: 00000000003506e0 # [ 96.446585] Call Trace: # [ 96.449355] __refcount_sub_and_test.constprop.0+0x34/0x40 # [ 96.455520] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x72 # [ 96.461894] direct_entry.cold+0x2c/0x38 # [ 96.466319] full_proxy_write+0x56/0x80 # [ 96.470646] vfs_write+0xea/0x390 # [ 96.474386] ksys_write+0x68/0xe0 # [ 96.478128] do_syscall_64+0x33/0x40 # [ 96.482162] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 96.487849] RIP: 0033:0x7f1fa5d13f33 # [ 96.491877] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 96.512945] RSP: 002b:00007ffe2b124e08 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 96.521440] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f1fa5d13f33 # [ 96.529456] RDX: 0000000000000020 RSI: 00007f1fa5c04000 RDI: 0000000000000001 # [ 96.537473] RBP: 00007f1fa5c04000 R08: 00007f1fa5c03010 R09: 0000000000000000 # [ 96.545488] R10: 00007f1fa5e0e1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 96.553515] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 96.567757] irq event stamp: 0 # [ 96.577410] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 96.590683] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 96.599864] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 96.609052] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 96.616087] ---[ end trace 1a91beaac65af0e4 ]--- # [ 96.621277] lkdtm: Saturation detected: still saturated # REFCOUNT_SUB_AND_TEST_SATURATED: saw 'Saturation detected: still saturated': ok ok 58 selftests: lkdtm: REFCOUNT_SUB_AND_TEST_SATURATED.sh # selftests: lkdtm: REFCOUNT_TIMING.sh # Skipping REFCOUNT_TIMING: timing only ok 59 selftests: lkdtm: REFCOUNT_TIMING.sh # SKIP # selftests: lkdtm: ATOMIC_TIMING.sh # Skipping ATOMIC_TIMING: timing only ok 60 selftests: lkdtm: ATOMIC_TIMING.sh # SKIP # selftests: lkdtm: USERCOPY_HEAP_SIZE_TO.sh [ 97.252467] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO [ 97.259260] lkdtm: attempting good copy_to_user of correct size [ 97.265946] lkdtm: attempting bad copy_to_user of too large size # [ 97.252467] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO # [ 97.259260] lkdtm: attempting good copy_to_user of correct size # [ 97.265946] lkdtm: attempting bad copy_to_user of too large size # USERCOPY_HEAP_SIZE_TO: missing 'call trace:': [FAIL] not ok 61 selftests: lkdtm: USERCOPY_HEAP_SIZE_TO.sh # exit=1 # selftests: lkdtm: USERCOPY_HEAP_SIZE_FROM.sh [ 97.600422] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM [ 97.607422] lkdtm: attempting good copy_from_user of correct size [ 97.614327] lkdtm: attempting bad copy_from_user of too large size # [ 97.600422] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM # [ 97.607422] lkdtm: attempting good copy_from_user of correct size # [ 97.614327] lkdtm: attempting bad copy_from_user of too large size # USERCOPY_HEAP_SIZE_FROM: missing 'call trace:': [FAIL] not ok 62 selftests: lkdtm: USERCOPY_HEAP_SIZE_FROM.sh # exit=1 # selftests: lkdtm: USERCOPY_HEAP_WHITELIST_TO.sh [ 97.930955] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO [ 97.938234] lkdtm: attempting good copy_to_user inside whitelist [ 97.945105] lkdtm: attempting bad copy_to_user outside whitelist # [ 97.930955] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO # [ 97.938234] lkdtm: attempting good copy_to_user inside whitelist # [ 97.945105] lkdtm: attempting bad copy_to_user outside whitelist # USERCOPY_HEAP_WHITELIST_TO: missing 'call trace:': [FAIL] not ok 63 selftests: lkdtm: USERCOPY_HEAP_WHITELIST_TO.sh # exit=1 # selftests: lkdtm: USERCOPY_HEAP_WHITELIST_FROM.sh [ 98.279972] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM [ 98.287451] lkdtm: attempting good copy_from_user inside whitelist [ 98.294444] lkdtm: attempting bad copy_from_user outside whitelist # [ 98.279972] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM # [ 98.287451] lkdtm: attempting good copy_from_user inside whitelist # [ 98.294444] lkdtm: attempting bad copy_from_user outside whitelist # USERCOPY_HEAP_WHITELIST_FROM: missing 'call trace:': [FAIL] not ok 64 selftests: lkdtm: USERCOPY_HEAP_WHITELIST_FROM.sh # exit=1 # selftests: lkdtm: USERCOPY_STACK_FRAME_TO.sh [ 98.644505] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO [ 98.651494] lkdtm: good_stack: ffffad2e831efe20-ffffad2e831efe40 [ 98.658263] lkdtm: bad_stack : ffffad2e831efda8-ffffad2e831efdc8 [ 98.665083] lkdtm: attempting good copy_to_user of local stack [ 98.671680] lkdtm: attempting bad copy_to_user of distant stack # [ 98.644505] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO # [ 98.651494] lkdtm: good_stack: ffffad2e831efe20-ffffad2e831efe40 # [ 98.658263] lkdtm: bad_stack : ffffad2e831efda8-ffffad2e831efdc8 # [ 98.665083] lkdtm: attempting good copy_to_user of local stack # [ 98.671680] 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 [ 99.013212] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM [ 99.020384] lkdtm: good_stack: ffffad2e8328fe20-ffffad2e8328fe40 [ 99.027172] lkdtm: bad_stack : ffffad2e8328fda8-ffffad2e8328fdc8 [ 99.033981] lkdtm: attempting good copy_from_user of local stack [ 99.040756] lkdtm: attempting bad copy_from_user of distant stack # [ 99.013212] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM # [ 99.020384] lkdtm: good_stack: ffffad2e8328fe20-ffffad2e8328fe40 # [ 99.027172] lkdtm: bad_stack : ffffad2e8328fda8-ffffad2e8328fdc8 # [ 99.033981] lkdtm: attempting good copy_from_user of local stack # [ 99.040756] lkdtm: attempting bad copy_from_user of distant stack # USERCOPY_STACK_FRAME_FROM: missing 'call trace:': [FAIL] not ok 66 selftests: lkdtm: USERCOPY_STACK_FRAME_FROM.sh # exit=1 # selftests: lkdtm: USERCOPY_STACK_BEYOND.sh [ 99.386078] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND [ 99.392862] lkdtm: good_stack: ffffad2e8330fe20-ffffad2e8330fe40 [ 99.399629] lkdtm: bad_stack : ffffad2e8330fff8-ffffad2e83310018 [ 99.406423] lkdtm: attempting good copy_to_user of local stack [ 99.413014] lkdtm: attempting bad copy_to_user of distant stack [ 99.419690] lkdtm: copy_to_user failed, but lacked Oops # [ 99.386078] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND # [ 99.392862] lkdtm: good_stack: ffffad2e8330fe20-ffffad2e8330fe40 # [ 99.399629] lkdtm: bad_stack : ffffad2e8330fff8-ffffad2e83310018 # [ 99.406423] lkdtm: attempting good copy_to_user of local stack # [ 99.413014] lkdtm: attempting bad copy_to_user of distant stack # [ 99.419690] lkdtm: copy_to_user failed, but lacked Oops # USERCOPY_STACK_BEYOND: missing 'call trace:': [FAIL] not ok 67 selftests: lkdtm: USERCOPY_STACK_BEYOND.sh # exit=1 # selftests: lkdtm: USERCOPY_KERNEL.sh [ 99.764412] lkdtm: Performing direct entry USERCOPY_KERNEL [ 99.770650] lkdtm: attempting good copy_to_user from kernel rodata: ffffffffb96d9f10 [ 99.779787] lkdtm: attempting bad copy_to_user from kernel text: ffffffffb84d1460 [ 99.788578] lkdtm: FAIL: survived bad copy_to_user() # [ 99.764412] lkdtm: Performing direct entry USERCOPY_KERNEL # [ 99.770650] lkdtm: attempting good copy_to_user from kernel rodata: ffffffffb96d9f10 # [ 99.779787] lkdtm: attempting bad copy_to_user from kernel text: ffffffffb84d1460 # [ 99.788578] lkdtm: FAIL: survived bad copy_to_user() # USERCOPY_KERNEL: missing 'call trace:': [FAIL] not ok 68 selftests: lkdtm: USERCOPY_KERNEL.sh # exit=1 # selftests: lkdtm: STACKLEAK_ERASING.sh [ 100.150492] lkdtm: Performing direct entry STACKLEAK_ERASING [ 100.156881] lkdtm: checking unused part of the thread stack (15928 bytes)... [ 100.164849] lkdtm: FAIL: the erased part is not found (checked 15928 bytes) [ 100.172685] lkdtm: FAIL: the thread stack is NOT properly erased [ 100.179452] CPU: 2 PID: 2953 Comm: cat Tainted: G D W 5.10.126-cip11 #1 [ 100.188133] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 100.194766] Call Trace: [ 100.197528] dump_stack+0x77/0x97 [ 100.201246] lkdtm_STACKLEAK_ERASING+0x116/0x140 [ 100.206424] direct_entry.cold+0x2c/0x38 [ 100.210826] full_proxy_write+0x56/0x80 [ 100.215133] vfs_write+0xea/0x390 [ 100.218854] ksys_write+0x68/0xe0 [ 100.222574] do_syscall_64+0x33/0x40 [ 100.226586] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 100.232254] RIP: 0033:0x7f0017cdbf33 [ 100.236266] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 100.257320] RSP: 002b:00007ffc777889c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 100.265813] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f0017cdbf33 [ 100.273815] RDX: 0000000000000012 RSI: 00007f0017bcc000 RDI: 0000000000000001 [ 100.281816] RBP: 00007f0017bcc000 R08: 00007f0017bcb010 R09: 0000000000000000 [ 100.289817] R10: 00007f0017dd61c0 R11: 0000000000000246 R12: 0000000000000001 [ 100.297819] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 100.150492] lkdtm: Performing direct entry STACKLEAK_ERASING # [ 100.156881] lkdtm: checking unused part of the thread stack (15928 bytes)... # [ 100.164849] lkdtm: FAIL: the erased part is not found (checked 15928 bytes) # [ 100.172685] lkdtm: FAIL: the thread stack is NOT properly erased # [ 100.179452] CPU: 2 PID: 2953 Comm: cat Tainted: G D W 5.10.126-cip11 #1 # [ 100.188133] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 100.194766] Call Trace: # [ 100.197528] dump_stack+0x77/0x97 # [ 100.201246] lkdtm_STACKLEAK_ERASING+0x116/0x140 # [ 100.206424] direct_entry.cold+0x2c/0x38 # [ 100.210826] full_proxy_write+0x56/0x80 # [ 100.215133] vfs_write+0xea/0x390 # [ 100.218854] ksys_write+0x68/0xe0 # [ 100.222574] do_syscall_64+0x33/0x40 # [ 100.226586] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 100.232254] RIP: 0033:0x7f0017cdbf33 # [ 100.236266] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 100.257320] RSP: 002b:00007ffc777889c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 100.265813] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f0017cdbf33 # [ 100.273815] RDX: 0000000000000012 RSI: 00007f0017bcc000 RDI: 0000000000000001 # [ 100.281816] RBP: 00007f0017bcc000 R08: 00007f0017bcb010 R09: 0000000000000000 # [ 100.289817] R10: 00007f0017dd61c0 R11: 0000000000000246 R12: 0000000000000001 # [ 100.297819] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # STACKLEAK_ERASING: missing 'OK: the rest of the thread stack is properly erased': [FAIL] not ok 69 selftests: lkdtm: STACKLEAK_ERASING.sh # exit=1 # selftests: lkdtm: CFI_FORWARD_PROTO.sh [ 100.651374] lkdtm: Performing direct entry CFI_FORWARD_PROTO [ 100.657781] lkdtm: Calling matched prototype ... [ 100.662982] lkdtm: Calling mismatched prototype ... [ 100.668480] lkdtm: Fail: survived mismatched prototype function call! # [ 100.651374] lkdtm: Performing direct entry CFI_FORWARD_PROTO # [ 100.657781] lkdtm: Calling matched prototype ... # [ 100.662982] lkdtm: Calling mismatched prototype ... # [ 100.668480] 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 / #