[Enter `^Ec?' for help] coreboot-v1.9308_26_0.0.22-2597-gfa32d89ed3 Tue Sep 29 21:34:05 UTC 2020 bootblock starting... LPC: Trying to open IO window from 800 size 1ff LPC: Opened IO window LGIR0: base 800 size 100 LPC: Opened IO window LGIR1: base 900 size 100 VBOOT: Loading verstage. FMAP: Found \"FLASH\" version 1.1 at 204000. FMAP: base = 0 size = 1000000 #areas = 35 FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'fallback/verstage' CBFS: Found @ offset ba4c0 size fab4 coreboot-v1.9308_26_0.0.22-2597-gfa32d89ed3 Tue Sep 29 21:34:05 UTC 2020 verstage starting... LPSS I2C bus 2 at 0xfe022000 (400 KHz) TPM ready after 4 ms cr50 TPM 2.0 (i2c 2:0x50 id 0x28) setup_tpm():514: TPM: SetupTPM() succeeded src/lib/tpm2_tlcl.c:208 index 0x1007 return code 0 Phase 1 FMAP: Found \"FLASH\" version 1.1 at 204000. FMAP: base = 0 size = 1000000 #areas = 35 FMAP: area GBB found @ 380000 (262144 bytes) VB2:vb2_check_recovery() Recovery reason from previous boot: 0x0 / 0x0 Phase 2 Phase 3 FMAP: area GBB found @ 380000 (262144 bytes) VB2:vb2_report_dev_firmware() This is developer signed firmware FMAP: area VBLOCK_B found @ 8b0000 (65536 bytes) FMAP: area VBLOCK_B found @ 8b0000 (65536 bytes) VB2:vb2_verify_keyblock() Checking key block signature... FMAP: area VBLOCK_B found @ 8b0000 (65536 bytes) FMAP: area VBLOCK_B found @ 8b0000 (65536 bytes) VB2:vb2_verify_fw_preamble() Verifying preamble. Phase 4 FMAP: area FW_MAIN_B found @ 8c0000 (4652992 bytes) VB2:vb2api_init_hash() HW crypto for hash_alg 2 not supported, using SW VB2:vb2_rsa_verify_digest() Digest check failed! VB2:vb2_fail() Need recovery, reason: 0x1b / 0x7 Saving nvdata Reboot requested (10020007) hard_reset() called! CSE is not yet ready, waiting CSE timed out. Resetting coreboot-v1.9308_26_0.0.22-2597-gfa32d89ed3 Tue Sep 29 21:34:05 UTC 2020 bootblock starting... LPC: Trying to open IO window from 800 size 1ff LPC: Opened IO window LGIR0: base 800 size 100 LPC: Opened IO window LGIR1: base 900 size 100 VBOOT: Loading verstage. FMAP: Found \"FLASH\" version 1.1 at 204000. FMAP: base = 0 size = 1000000 #areas = 35 FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'fallback/verstage' CBFS: Found @ offset ba4c0 size fab4 coreboot-v1.9308_26_0.0.22-2597-gfa32d89ed3 Tue Sep 29 21:34:05 UTC 2020 verstage starting... LPSS I2C bus 2 at 0xfe022000 (400 KHz) TPM ready after 4 ms cr50 TPM 2.0 (i2c 2:0x50 id 0x28) setup_tpm():514: TPM: SetupTPM() succeeded src/lib/tpm2_tlcl.c:208 index 0x1007 return code 0 Phase 1 FMAP: Found \"FLASH\" version 1.1 at 204000. FMAP: base = 0 size = 1000000 #areas = 35 FMAP: area GBB found @ 380000 (262144 bytes) VB2:vb2_check_recovery() Recovery reason from previous boot: 0x1b / 0x7 VB2:vb2_check_recovery() We have a recovery request: 0x1b / 0x0 Recovery requested (1009000e) Saving nvdata tlcl_extend: response is 0 tlcl_extend: response is 0 FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'fallback/romstage' CBFS: Found @ offset 80 size 11c5c coreboot-v1.9308_26_0.0.22-2597-gfa32d89ed3 Tue Sep 29 21:34:05 UTC 2020 romstage starting... pm1_sts: 0000 pm1_en: 0000 pm1_cnt: 00001c00 gpe0_sts[0]: 00000000 gpe0_en[0]: 00008000 gpe0_sts[1]: 00000000 gpe0_en[1]: 00000000 gpe0_sts[2]: 00000000 gpe0_en[2]: 00000000 gpe0_sts[3]: 00000000 gpe0_en[3]: 00000000 prsts: 00000000 tco_sts: 00000000 gen_pmcon1: 04004000 gen_pmcon2: 00003a00 gen_pmcon3: 00000000 prev_sleep_state 0 Boot Count incremented to 18352 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 2400 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) FMAP: area RW_VPD found @ 428000 (8192 bytes) Normal boot. BS: BS_PRE_DEVICE times (us): entry 2 run 32 exit 0 Board ID: 5 mainboard: EC init Chrome EC: Set WAKE mask to 0x00000000 FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'fsps.bin' CBFS: Found @ offset 88fc0 size 2a000 FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'vbt-babytiger.bin' CBFS: Found @ offset 155800 size 528 Found a VBT of 6656 bytes after decompression ITSS IRQ Polarities Before: IPC0: 0xffffeef8 IPC1: 0xffffffff IPC2: 0xffffffff IPC3: 0x00ffffff ITSS IRQ Polarities After: IPC0: 0xffffeef8 IPC1: 0x4a07ffff IPC2: 0x08000000 IPC3: 0x00a11000 RAPL PL1 12.0W RAPL PL2 15.0W BS: BS_DEV_INIT_CHIPS times (us): entry 0 run 278967 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 [8086/5a85] 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 4845 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 52822 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 14071 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 10007 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 14069 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 18281 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 18152 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 14074 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 11381 usecs scan_bus: scanning of bus DOMAIN: 0000 took 392090 usecs root_dev_scan_bus for Root Device done scan_bus: scanning of bus Root Device took 412081 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 2022-10-26 10:07:19 UTC POST: Unexpected post code in previous boot: 0x98 ELOG: Event(A3) added with size 11 at 2022-10-26 10:07:19 UTC ELOG: Event(A6) added with size 13 at 2022-10-26 10:07:19 UTC ELOG: Event(AA) added with size 11 at 2022-10-26 10:07:19 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 701831 exit 102320 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 2953407 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 112664 exit 0 FMAP: area FPF_STATUS found @ 42f000 (4096 bytes) Initializing devices... Root Device init ... Root Device init finished in 2137 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 2 core, 2 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) Celeron(R) CPU N3350 @ 1.10GHz. Loading module at 00030000 with entry 00030000. filesize: 0x130 memsize: 0x130 Processing 16 relocs. Offset value of 0x00030000 Attempting to start 1 APs Waiting for 10ms after sending INIT. Waiting for 1st SIPI to complete...done. AP: slot 1 apic_id 4. 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: stub loaded at 7b008000. Will call 7b010cfc(00000000) Clearing SMI status registers New SMBASE 0x7afffc00 Relocation complete. New SMBASE 0x7b000000 Relocation complete. Initializing CPU #0 CPU: vendor Intel device 506c9 CPU: family 06, model 5c, stepping 09 CPU #0 initialized Initializing CPU #1 CPU: vendor Intel device 506c9 CPU: family 06, model 5c, stepping 09 CPU #1 initialized Enabling SMIs. MTRR: TEMPORARY Physical address space: 0x0000000000000000 - 0x00000000000a0000 size 0x000a0000 type 6 0x00000000000a0000 - 0x00000000000c0000 size 0x00020000 type 0 0x00000000000c0000 - 0x000000007b800000 size 0x7b740000 type 6 0x000000007b800000 - 0x00000000ff000000 size 0x83800000 type 0 0x00000000ff000000 - 0x0000000100000000 size 0x01000000 type 5 0x0000000100000000 - 0x0000000180000000 size 0x80000000 type 6 MTRR: default type WB/UC MTRR counts: 10/8. MTRR: UC selected as default type. MTRR: 0 base 0x0000000000000000 mask 0x0000007fc0000000 type 6 MTRR: 1 base 0x0000000040000000 mask 0x0000007fe0000000 type 6 MTRR: 2 base 0x0000000060000000 mask 0x0000007ff0000000 type 6 MTRR: 3 base 0x0000000070000000 mask 0x0000007ff8000000 type 6 MTRR: 4 base 0x0000000078000000 mask 0x0000007ffc000000 type 6 MTRR: 5 base 0x000000007b800000 mask 0x0000007fff800000 type 0 MTRR: 6 base 0x00000000ff000000 mask 0x0000007fff000000 type 5 MTRR: 7 base 0x0000000100000000 mask 0x0000007f00000000 type 6 CPU_CLUSTER: 0 init finished in 422384 usecs PCI: 00:00.0 init ... PCI: 00:00.0 init finished in 2234 usecs PCI: 00:00.1 init ... PCI: 00:00.1 init finished in 2236 usecs PCI: 00:00.2 init ... PCI: 00:00.2 init finished in 2234 usecs PCI: 00:02.0 init ... PCI: 00:02.0 init finished in 2237 usecs PCI: 00:03.0 init ... PCI: 00:03.0 init finished in 2234 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 27414 usecs PCI: 00:0d.2 init ... PCI: 00:0d.2 init finished in 2232 usecs PCI: 00:0f.0 init ... PCI: 00:0f.0 init finished in 2226 usecs PCI: 00:0f.1 init ... PCI: 00:0f.1 init finished in 2246 usecs PCI: 00:0f.2 init ... PCI: 00:0f.2 init finished in 2235 usecs PCI: 00:15.0 init ... PCI: 00:15.0 init finished in 2236 usecs PCI: 00:16.0 init ... LPSS I2C bus 0 at 0xc2b21000 (400 KHz) PCI: 00:16.0 init finished in 6122 usecs PCI: 00:16.1 init ... LPSS I2C bus 1 at 0xc2b23000 (400 KHz) PCI: 00:16.1 init finished in 6115 usecs PCI: 00:16.2 init ... LPSS I2C bus 2 at 0xc2b25000 (400 KHz) PCI: 00:16.2 init finished in 6118 usecs PCI: 00:16.3 init ... LPSS I2C bus 3 at 0xc2b27000 (400 KHz) PCI: 00:16.3 init finished in 6118 usecs PCI: 00:17.0 init ... LPSS I2C bus 4 at 0xc2b29000 (400 KHz) PCI: 00:17.0 init finished in 6117 usecs PCI: 00:17.1 init ... LPSS I2C bus 5 at 0xc2b2b000 (400 KHz) PCI: 00:17.1 init finished in 6121 usecs PCI: 00:19.0 init ... PCI: 00:19.0 init finished in 2234 usecs PCI: 00:1c.0 init ... PCI: 00:1c.0 init finished in 2233 usecs PCI: 00:1f.0 init ... RTC Init PCI: 00:1f.0 init finished in 3549 usecs PCI: 00:1f.1 init ... PCI: 00:1f.1 init finished in 2233 usecs PCI: 01:00.0 init ... PCI: 01:00.0 init finished in 2233 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 42192 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: 04: enabled 1 BS: BS_DEV_INIT times (us): entry 4985 run 831444 exit 895 ELOG: Event(A1) added with size 10 at 2022-10-26 10:07:22 UTC elog_add_boot_reason: Logged recovery mode boot (Dev-switch on), reason: 0x1b ELOG: Event(A0) added with size 9 at 2022-10-26 10:07:22 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 24873 run 3957 exit 5277 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 2 core(s) each. Turbo is available and visible PSS: 1101MHz power 6000 control 0x1800 status 0x1800 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 0x1800 status 0x1800 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 = 7ab145d0 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: 29808 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: 04 (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, 0x5f4 bytes, checksum 809d coreboot table: 1548 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 VPD 8. 7affe960 00000031 GNVS PTR 9. 7affe940 00000004 BS: BS_WRITE_TABLES times (us): entry 0 run 772261 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 184 run 108376 exit 30979 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 6 (ocp_data = 5c30) R8152: Done initializing Adding net device done. MAC: 00:24:32:30:79:fd Sending DHCP discover... done. Waiting for reply... done. Sending DHCP request... done. Waiting for reply... done. My ip is 192.168.201.19 The DHCP server ip is 192.168.201.1 coral: tftpboot 192.168.201.1 7724716/tftp-deploy-6hoq52xb/kernel/bzImage 7724716/tftp-deploy-6hoq52xb/kernel/cmdline 7724716/tftp-deploy-6hoq52xb/ramdisk/ramdisk.cpio.gz tftpboot 192.168.201.1 7724716/tftp-deploy-6hoq52xb/kernel/bzIoy-6hoq52xb/kernel/cmdline 7724716/tftp-deploy-6hoq52xb/ramdisk/ramdisk.cpio.gz Waiting for link done. MAC: 00:24:32:30:79:fd Sending DHCP discover... done. Waiting for reply... done. Sending DHCP request... done. Waiting for reply... done. My ip is 192.168.201.19 The DHCP server ip is 192.168.201.1 TFTP server IP predefined by user: 192.168.201.1 Bootfile predefined by user: 7724716/tftp-deploy-6hoq52xb/kernel/bzImage Sending tftp read request... done. Waiting for the transfer... 00000000 ################################################################ 00080000 ################################################################ 00100000 ################################################################ 00180000 ################################################################ 00200000 ################################################################ 00280000 ################################################################ 00300000 ################################################################ 00380000 ################################################################ 00400000 ################################################################ 00480000 ################################################################ 00500000 ################################################################ 00580000 ################################################################ 00600000 ################################################################ 00680000 ################################################################ 00700000 ################################################################ 00780000 ################################################################ 00800000 ################################################################ 00880000 ################################################################ 00900000 ################################################################ 00980000 ################################################################ 00a00000 ################################################################ 00a80000 ################################################################ 00b00000 ################################################################ 00b80000 ################################################################ 00c00000 ################################################################ 00c80000 ################################################################ 00d00000 ############################# done. The bootfile was 13867232 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: 7724716/tftp-deploy-6hoq52xb/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/7724716/extract-nfsrootfs-d6mqamsb,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: 37450890 Starting kernel ... [ 0.000000] Linux version 5.10.147-cip18 (KernelCI@build-j387270-x86-64-gcc-10-x86-64-defconfig-x86-chromeboovb8pt) (gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2) #1 SMP Wed Oct 26 09:55:52 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/7724716/extract-nfsrootfs-d6mqamsb,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 [ 0.000059] last_pfn = 0x180000 max_arch_pfn = 0x400000000 [ 0.000319] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT [ 0.001183] last_pfn = 0x7a9fd max_arch_pfn = 0x400000000 [ 0.005487] check: Scanning 1 areas for low memory corruption [ 0.005501] Using GB pages for direct mapping [ 0.006054] RAMDISK: [mem 0x377c4000-0x37ffffff] [ 0.006062] ACPI: Early table checksum verification disabled [ 0.006070] ACPI: RSDP 0x00000000000F0000 000024 (v02 CORE ) [ 0.006082] ACPI: XSDT 0x000000007AB100E0 00005C (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.006097] ACPI: FACP 0x000000007AB13130 0000F4 (v04 CORE COREBOOT 00000000 CORE 00000000) [ 0.006111] ACPI: DSDT 0x000000007AB10280 002EA8 (v05 COREv4 COREBOOT 20110725 INTL 20150717) [ 0.006123] ACPI: FACS 0x000000007AB10240 000040 [ 0.006133] ACPI: FACS 0x000000007AB10240 000040 [ 0.006143] ACPI: SSDT 0x000000007AB13230 0012BA (v02 CORE COREBOOT 0000002A CORE 0000002A) [ 0.006154] ACPI: MCFG 0x000000007AB144F0 00003C (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.006165] ACPI: TCPA 0x000000007AB14530 000032 (v02 CORE COREBOOT 00000000 CORE 00000000) [ 0.006175] ACPI: APIC 0x000000007AB14570 00005C (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.006186] ACPI: NHLT 0x000000007AB145D0 000E60 (v05 coral coral 0000001E CORE 00000000) [ 0.006197] ACPI: HPET 0x000000007AB17430 000038 (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.006208] ACPI: Reserving FACP table memory at [mem 0x7ab13130-0x7ab13223] [ 0.006213] ACPI: Reserving DSDT table memory at [mem 0x7ab10280-0x7ab13127] [ 0.006217] ACPI: Reserving FACS table memory at [mem 0x7ab10240-0x7ab1027f] [ 0.006221] ACPI: Reserving FACS table memory at [mem 0x7ab10240-0x7ab1027f] [ 0.006225] ACPI: Reserving SSDT table memory at [mem 0x7ab13230-0x7ab144e9] [ 0.006229] ACPI: Reserving MCFG table memory at [mem 0x7ab144f0-0x7ab1452b] [ 0.006233] ACPI: Reserving TCPA table memory at [mem 0x7ab14530-0x7ab14561] [ 0.006237] ACPI: Reserving APIC table memory at [mem 0x7ab14570-0x7ab145cb] [ 0.006242] ACPI: Reserving NHLT table memory at [mem 0x7ab145d0-0x7ab1542f] [ 0.006246] ACPI: Reserving HPET table memory at [mem 0x7ab17430-0x7ab17467] [ 0.006384] No NUMA configuration found [ 0.006389] Faking a node at [mem 0x0000000000000000-0x000000017fffffff] [ 0.006399] NODE_DATA(0) allocated [mem 0x17fff9000-0x17fffcfff] [ 0.006446] Zone ranges: [ 0.006451] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 0.006458] DMA32 [mem 0x0000000001000000-0x00000000ffffffff] [ 0.006464] Normal [mem 0x0000000100000000-0x000000017fffffff] [ 0.006470] Movable zone start for each node [ 0.006474] Early memory node ranges [ 0.006478] node 0: [mem 0x0000000000001000-0x000000000009ffff] [ 0.006482] node 0: [mem 0x0000000000100000-0x000000000fffffff] [ 0.006486] node 0: [mem 0x0000000012151000-0x000000007a9fcfff] [ 0.006490] node 0: [mem 0x0000000100000000-0x000000017fffffff] [ 0.006496] Initmem setup node 0 [mem 0x0000000000001000-0x000000017fffffff] [ 0.006528] On node 0, zone DMA: 1 pages in unavailable ranges [ 0.006580] On node 0, zone DMA: 96 pages in unavailable ranges [ 0.013325] On node 0, zone DMA32: 8529 pages in unavailable ranges [ 0.020872] On node 0, zone Normal: 22019 pages in unavailable ranges [ 0.020904] Reserving Intel graphics memory at [mem 0x7c000000-0x7fffffff] [ 0.021219] ACPI: PM-Timer IO Port: 0x408 [ 0.021291] IOAPIC[0]: apic_id 2, version 32, address 0xfec00000, GSI 0-119 [ 0.021308] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl) [ 0.021315] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 low level) [ 0.021328] Using ACPI (MADT) for SMP configuration information [ 0.021334] ACPI: HPET id: 0x8086a701 base: 0xfed00000 [ 0.021347] TSC deadline timer available [ 0.021352] smpboot: Allowing 2 CPUs, 0 hotplug CPUs [ 0.021385] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] [ 0.021391] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000fffff] [ 0.021396] PM: hibernation: Registered nosave memory: [mem 0x10000000-0x12150fff] [ 0.021402] PM: hibernation: Registered nosave memory: [mem 0x7a9fd000-0x7affffff] [ 0.021406] PM: hibernation: Registered nosave memory: [mem 0x7b000000-0x7fffffff] [ 0.021410] PM: hibernation: Registered nosave memory: [mem 0x80000000-0xcfffffff] [ 0.021414] PM: hibernation: Registered nosave memory: [mem 0xd0000000-0xd0ffffff] [ 0.021417] PM: hibernation: Registered nosave memory: [mem 0xd1000000-0xdfffffff] [ 0.021421] PM: hibernation: Registered nosave memory: [mem 0xe0000000-0xefffffff] [ 0.021425] PM: hibernation: Registered nosave memory: [mem 0xf0000000-0xfed0ffff] [ 0.021429] PM: hibernation: Registered nosave memory: [mem 0xfed10000-0xfed17fff] [ 0.021433] PM: hibernation: Registered nosave memory: [mem 0xfed18000-0xffffffff] [ 0.021441] [mem 0x80000000-0xcfffffff] available for PCI devices [ 0.021450] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1910969940391419 ns [ 0.030207] setup_percpu: NR_CPUS:64 nr_cpumask_bits:64 nr_cpu_ids:2 nr_node_ids:1 [ 0.030748] percpu: Embedded 59 pages/cpu s200848 r8192 d32624 u1048576 [ 0.030851] Built 1 zonelists, mobility grouping on. Total pages: 1002002 [ 0.030860] Policy zone: Normal [ 0.030879] 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/7724716/extract-nfsrootfs-d6mqamsb,tcp,hard ip=dhcp tftpserverip=192.168.201.1 [ 0.031837] Dentry cache hash table entries: 524288 (order: 10, 4194304 bytes, linear) [ 0.032278] Inode-cache hash table entries: 262144 (order: 9, 2097152 bytes, linear) [ 0.032329] mem auto-init: stack:off, heap alloc:off, heap free:off [ 0.065805] Memory: 3871492K/4071724K available (18450K kernel code, 3458K rwdata, 6764K rodata, 2032K init, 13308K bss, 199972K reserved, 0K cma-reserved) [ 0.065961] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=2, Nodes=1 [ 0.066024] Kernel/User page tables isolation: enabled [ 0.066098] ftrace: allocating 52740 entries in 207 pages [ 0.097463] ftrace: allocated 207 pages with 6 groups [ 0.097801] Running RCU self tests [ 0.097817] rcu: Hierarchical RCU implementation. [ 0.097821] rcu: RCU event tracing is enabled. [ 0.097824] rcu: RCU lockdep checking is enabled. [ 0.097829] rcu: RCU restricting CPUs from NR_CPUS=64 to nr_cpu_ids=2. [ 0.097833] Rude variant of Tasks RCU enabled. [ 0.097836] Tracing variant of Tasks RCU enabled. [ 0.097841] rcu: RCU calculated value of scheduler-enlistment delay is 100 jiffies. [ 0.097845] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=2 [ 0.106747] NR_IRQS: 4352, nr_irqs: 512, preallocated irqs: 16 [ 0.107200] random: crng init done [ 0.107321] Console: colour dummy device 80x25 [ 0.177127] printk: console [ttyS2] enabled [ 0.177484] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 0.178127] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 0.178489] ... MAX_LOCK_DEPTH: 48 [ 0.178844] ... MAX_LOCKDEP_KEYS: 8192 [ 0.179231] ... CLASSHASH_SIZE: 4096 [ 0.179600] ... MAX_LOCKDEP_ENTRIES: 32768 [ 0.179990] ... MAX_LOCKDEP_CHAINS: 65536 [ 0.180382] ... CHAINHASH_SIZE: 32768 [ 0.180761] memory used by lock dependency info: 6365 kB [ 0.181230] memory used for stack traces: 4224 kB [ 0.181652] per task-struct memory footprint: 1920 bytes [ 0.182172] ACPI: Core revision 20200925 [ 0.182901] clocksource: hpet: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 99544814920 ns [ 0.183773] APIC: Switch to symmetric I/O mode setup [ 0.188843] ..TIMER: vector=0x30 apic1=0 pin1=2 apic2=-1 pin2=-1 [ 0.193762] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0xfc66f4fc7c, max_idle_ns: 440795224246 ns [ 0.194646] Calibrating delay loop (skipped), value calculated using timer frequency.. 2188.80 BogoMIPS (lpj=1094400) [ 0.195633] pid_max: default: 32768 minimum: 301 [ 0.196711] LSM: Security Framework initializing [ 0.197145] SELinux: Initializing. [ 0.197693] LSM support for eBPF active [ 0.198080] Mount-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) [ 0.198647] Mountpoint-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) [ 0.200777] mce: CPU0: Thermal monitoring enabled (TM1) [ 0.201328] Last level iTLB entries: 4KB 48, 2MB 0, 4MB 0 [ 0.201632] Last level dTLB entries: 4KB 0, 2MB 0, 4MB 0, 1GB 0 [ 0.202157] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization [ 0.202634] Spectre V2 : Mitigation: Retpolines [ 0.203034] Spectre V2 : Spectre v2 / SpectreRSB mitigation: Filling RSB on context switch [ 0.203632] Spectre V2 : Spectre v2 / SpectreRSB : Filling RSB on VMEXIT [ 0.204634] Speculative Store Bypass: Vulnerable [ 0.222740] ------------[ cut here ]------------ [ 0.223155] missing return thunk: lkdtm_rodata_do_nothing+0x0/0x10-lkdtm_rodata_do_nothing+0x5/0x10: e9 00 00 00 00 [ 0.223167] WARNING: CPU: 0 PID: 0 at arch/x86/kernel/alternative.c:712 apply_returns+0x1f5/0x220 [ 0.224633] Modules linked in: [ 0.224905] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.10.147-cip18 #1 [ 0.225632] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 0.226148] RIP: 0010:apply_returns+0x1f5/0x220 [ 0.226552] Code: e4 01 00 0f 85 e1 fe ff ff 49 89 e8 b9 05 00 00 00 4c 89 f2 48 89 ee 48 c7 c7 f8 01 0c 92 c6 05 9d 49 e4 01 01 e8 76 8a e5 00 <0f> 0b e9 b9 fe ff ff 44 89 f9 c7 00 cc cc cc cc c7 44 08 fc cc cc [ 0.226633] RSP: 0000:ffffffff92403de0 EFLAGS: 00010282 [ 0.227077] RAX: 0000000000000000 RBX: ffffffff92ed2ad4 RCX: 0000000000000000 [ 0.227632] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff9097a891 [ 0.228633] RBP: ffffffff91d9b320 R08: 0000000000000001 R09: 0000000000000001 [ 0.229241] R10: ffffffff9248fbc0 R11: 3fffffffffffffff R12: ffffffff92ee9c44 [ 0.229634] R13: cccccccccccccccc R14: ffffffff91d9b325 R15: 0000000000000004 [ 0.230635] FS: 0000000000000000(0000) GS:ffff934b3bc00000(0000) knlGS:0000000000000000 [ 0.231325] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 0.231632] CR2: ffff934b3ffff000 CR3: 000000002e226000 CR4: 00000000003506f0 [ 0.232242] Call Trace: [ 0.232658] alternative_instructions+0x7d/0x143 [ 0.233071] check_bugs+0xedd/0xf39 [ 0.233379] start_kernel+0x517/0x54d [ 0.233640] secondary_startup_64_no_verify+0xc2/0xcb [ 0.234097] irq event stamp: 89343 [ 0.234394] hardirqs last enabled at (89351): [] console_unlock+0x4d1/0x5f0 [ 0.234633] hardirqs last disabled at (89362): [] console_unlock+0x444/0x5f0 [ 0.235635] softirqs last enabled at (89372): [] irq_enter_rcu+0x71/0x80 [ 0.236633] softirqs last disabled at (89383): [] irq_enter_rcu+0x56/0x80 [ 0.237349] ---[ end trace 42bc2b033115ef43 ]--- [ 0.246687] Freei# ng SMP alternatives memory: 44K [ 0.248928] smpboot: CPU0: Intel(R) Celeron(R) CPU N3350 @ 1.10GHz (family: 0x6, model: 0x5c, stepping: 0x9) [ 0.250577] Performance Events: PEBS fmt3+, Goldmont events, 32-deep LBR, full-width counters, Intel PMU driver. [ 0.251499] ... version: 4 [ 0.251635] ... bit width: 48 [ 0.251985] ... generic registers: 4 [ 0.252342] ... value mask: 0000ffffffffffff [ 0.252634] ... max period: 00007fffffffffff [ 0.253099] ... fixed-purpose events: 3 [ 0.253457] ... event mask: 000000070000000f [ 0.254149] rcu: Hierarchical SRCU implementation. [ 0.256367] smp: Bringing up secondary CPUs ... [ 0.257478] x86: Booting SMP configuration: [ 0.257650] .... node #0, CPUs: #1 [ 0.258093] smp: Brought up 1 node, 2 CPUs [ 0.259006] smpboot: Max logical packages: 1 [ 0.259372] smpboot: Total of 2 processors activated (4377.60 BogoMIPS) [ 0.261032] devtmpfs: initialized [ 0.261981] x86/mm: Memory block size: 128MB [ 0.266556] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1911260446275000 ns [ 0.266653] futex hash table entries: 512 (order: 4, 65536 bytes, linear) [ 0.267676] pinctrl core: initialized pinctrl subsystem [ 0.268518] PM: RTC time: 10:07:54, date: 2022-10-26 [ 0.269218] NET: Registered protocol family 16 [ 0.270378] audit: initializing netlink subsys (disabled) [ 0.270818] audit: type=2000 audit(1666778874.081:1): state=initialized audit_enabled=0 res=1 [ 0.271613] thermal_sys: Registered thermal governor 'step_wise' [ 0.271618] thermal_sys: Registered thermal governor 'user_space' [ 0.271748] cpuidle: using governor menu [ 0.273041] ACPI: bus type PCI registered [ 0.273943] PCI: MMCONFIG for domain 0000 [bus 00-ff] at [mem 0xe0000000-0xefffffff] (base 0xe0000000) [ 0.274642] PCI: MMCONFIG at [mem 0xe0000000-0xefffffff] reserved in E820 [ 0.275279] PCI: Using configuration type 1 for base access [ 0.300010] Kprobes globally optimized [ 0.300881] HugeTLB registered 1.00 GiB page size, pre-allocated 0 pages [ 0.301254] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages [ 0.301912] cryptomgr_test (28) used greatest stack depth: 14880 bytes left [ 0.306012] ACPI: Added _OSI(Module Device) [ 0.306658] ACPI: Added _OSI(Processor Device) [ 0.307055] ACPI: Added _OSI(3.0 _SCP Extensions) [ 0.307464] ACPI: Added _OSI(Processor Aggregator Device) [ 0.307663] ACPI: Added _OSI(Linux-Dell-Video) [ 0.308059] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio) [ 0.308510] ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics) [ 0.317578] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 0.324363] ACPI: EC: EC started [ 0.324670] ACPI: EC: interrupt blocked [ 0.325766] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62 [ 0.326224] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC used to handle transactions [ 0.326648] ACPI: Interpreter enabled [ 0.327069] ACPI: (supports S0 S3 S5) [ 0.327405] ACPI: Using IOAPIC for interrupt routing [ 0.327702] PCI: Using host bridge windows from ACPI; if necessary, use \"pci=nocrs\" and report a bug [ 0.329376] ACPI: Enabled 1 GPEs in block 00 to 7F [ 0.333595] ACPI: Power Resource [PXP] (on) [ 0.355874] ACPI: Power Resource [PRIC] (on) [ 0.382181] ACPI: Power Resource [PRIC] (on) [ 0.453815] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 0.454369] acpi PNP0A08:00: _OSC: OS supports [ExtendedConfig ASPM ClockPM Segments MSI HPX-Type3] [ 0.454945] acpi PNP0A08:00: _OSC: OS now controls [PME PCIeCapability LTR] [ 0.456366] PCI host bridge to bus 0000:00 [ 0.456639] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 0.457211] pci_bus 0000:00: root bus resource [io 0x1000-0xffff window] [ 0.457638] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 0.458278] pci_bus 0000:00: root bus resource [mem 0x7b800000-0x7fffffff window] [ 0.458637] pci_bus 0000:00: root bus resource [mem 0x80000000-0xe0000000 window] [ 0.459281] pci_bus 0000:00: root bus resource [bus 00-ff] [ 0.459724] pci 0000:00:00.0: [8086:5af0] type 00 class 0x060000 [ 0.461224] pci 0000:00:00.1: [8086:5a8c] type 00 class 0x118000 [ 0.461675] pci 0000:00:00.1: reg 0x10: [mem 0xc2b10000-0xc2b17fff 64bit] [ 0.462981] pci 0000:00:00.2: [8086:5a8e] type 00 class 0x130000 [ 0.463530] pci 0000:00:00.2: reg 0x10: [mem 0xc2800000-0xc28fffff 64bit] [ 0.463651] pci 0000:00:00.2: reg 0x18: [mem 0xc2000000-0xc27fffff 64bit] [ 0.464252] pci 0000:00:00.2: reg 0x20: [mem 0xc2b38000-0xc2b381ff 64bit] [ 0.465159] pci 0000:00:02.0: [8086:5a85] type 00 class 0x030000 [ 0.465658] pci 0000:00:02.0: reg 0x10: [mem 0xc0000000-0xc0ffffff 64bit] [ 0.466256] pci 0000:00:02.0: reg 0x18: [mem 0xb0000000-0xbfffffff 64bit pref] [ 0.466645] pci 0000:00:02.0: reg 0x20: [io 0x1000-0x103f] [ 0.467676] pci 0000:00:03.0: [8086:5a88] type 00 class 0x048000 [ 0.468216] pci 0000:00:03.0: reg 0x10: [mem 0xc1000000-0xc1ffffff 64bit] [ 0.469275] pci 0000:00:0e.0: [8086:5a98] type 00 class 0x040100 [ 0.469673] pci 0000:00:0e.0: reg 0x10: [mem 0xc2b18000-0xc2b1bfff 64bit] [ 0.470313] pci 0000:00:0e.0: reg 0x20: [mem 0xc2900000-0xc29fffff 64bit] [ 0.470768] pci 0000:00:0e.0: PME# supported from D0 D3hot D3cold [ 0.472052] pci 0000:00:0f.0: [8086:5a9a] type 00 class 0x078000 [ 0.472615] pci 0000:00:0f.0: reg 0x10: [mem 0xc2b1e000-0xc2b1efff 64bit] [ 0.472807] pci 0000:00:0f.0: PME# supported from D3hot [ 0.473813] pci 0000:00:14.0: [8086:5ad6] type 01 class 0x060400 [ 0.474562] pci 0000:00:14.0: PME# supported from D0 D3hot D3cold [ 0.475356] pci 0000:00:15.0: [8086:5aa8] type 00 class 0x0c0330 [ 0.475673] pci 0000:00:15.0: reg 0x10: [mem 0xc2b00000-0xc2b0ffff 64bit] [ 0.476417] pci 0000:00:15.0: PME# supported from D3hot D3cold [ 0.477330] pci 0000:00:16.0: [8086:5aac] type 00 class 0x118000 [ 0.477676] pci 0000:00:16.0: reg 0x10: [mem 0xc2b21000-0xc2b21fff 64bit] [ 0.478285] pci 0000:00:16.0: reg 0x18: [mem 0xc2b22000-0xc2b22fff 64bit] [ 0.479364] pci 0000:00:16.1: [8086:5aae] type 00 class 0x118000 [ 0.479676] pci 0000:00:16.1: reg 0x10: [mem 0xc2b23000-0xc2b23fff 64bit] [ 0.480269] pci 0000:00:16.1: reg 0x18: [mem 0xc2b24000-0xc2b24fff 64bit] [ 0.481337] pci 0000:00:16.2: [8086:5ab0] type 00 class 0x118000 [ 0.481675] pci 0000:00:16.2: reg 0x10: [mem 0xc2b25000-0xc2b25fff 64bit] [ 0.482285] pci 0000:00:16.2: reg 0x18: [mem 0xc2b26000-0xc2b26fff 64bit] [ 0.483340] pci 0000:00:16.3: [8086:5ab2] type 00 class 0x118000 [ 0.483674] pci 0000:00:16.3: reg 0x10: [mem 0xc2b27000-0xc2b27fff 64bit] [ 0.484283] pci 0000:00:16.3: reg 0x18: [mem 0xc2b28000-0xc2b28fff 64bit] [ 0.485385] pci 0000:00:17.0: [8086:5ab4] type 00 class 0x118000 [ 0.485674] pci 0000:00:17.0: reg 0x10: [mem 0xc2b29000-0xc2b29fff 64bit] [ 0.486281] pci 0000:00:17.0: reg 0x18: [mem 0xc2b2a000-0xc2b2afff 64bit] [ 0.487345] pci 0000:00:17.1: [8086:5ab6] type 00 class 0x118000 [ 0.487675] pci 0000:00:17.1: reg 0x10: [mem 0xc2b2b000-0xc2b2bfff 64bit] [ 0.488284] pci 0000:00:17.1: reg 0x18: [mem 0xc2b2c000-0xc2b2cfff 64bit] [ 0.489372] pci 0000:00:18.0: [8086:5abc] type 00 class 0x118000 [ 0.489676] pci 0000:00:18.0: reg 0x10: [mem 0xc2b2d000-0xc2b2dfff 64bit] [ 0.490287] pci 0000:00:18.0: reg 0x18: [mem 0xc2b2e000-0xc2b2efff 64bit] [ 0.491335] pci 0000:00:18.1: [8086:5abe] type 00 class 0x118000 [ 0.491675] pci 0000:00:18.1: reg 0x10: [mem 0xc2b2f000-0xc2b2ffff 64bit] [ 0.492285] pci 0000:00:18.1: reg 0x18: [mem 0xc2b30000-0xc2b30fff 64bit] [ 0.493353] pci 0000:00:18.2: [8086:5ac0] type 00 class 0x118000 [ 0.493674] pci 0000:00:18.2: reg 0x10: [mem 0xde000000-0xde000fff 64bit] [ 0.494284] pci 0000:00:18.2: reg 0x18: [mem 0xc2b31000-0xc2b31fff 64bit] [ 0.495379] pci 0000:00:19.0: [8086:5ac2] type 00 class 0x118000 [ 0.495676] pci 0000:00:19.0: reg 0x10: [mem 0xc2b32000-0xc2b32fff 64bit] [ 0.496286] pci 0000:00:19.0: reg 0x18: [mem 0xc2b33000-0xc2b33fff 64bit] [ 0.497375] pci 0000:00:1b.0: [8086:5aca] type 00 class 0x080501 [ 0.497669] pci 0000:00:1b.0: reg 0x10: [mem 0xc2b34000-0xc2b34fff 64bit] [ 0.498273] pci 0000:00:1b.0: reg 0x18: [mem 0xc2b35000-0xc2b35fff 64bit] [ 0.499322] pci 0000:00:1c.0: [8086:5acc] type 00 class 0x080501 [ 0.499668] pci 0000:00:1c.0: reg 0x10: [mem 0xc2b36000-0xc2b36fff 64bit] [ 0.500275] pci 0000:00:1c.0: reg 0x18: [mem 0xc2b37000-0xc2b37fff 64bit] [ 0.501506] pci 0000:00:1f.0: [8086:5ae8] type 00 class 0x060100 [ 0.502543] pci 0000:00:1f.1: [8086:5ad4] type 00 class 0x0c0500 [ 0.502709] pci 0000:00:1f.1: reg 0x10: [mem 0xc2b39000-0xc2b390ff 64bit] [ 0.503381] pci 0000:00:1f.1: reg 0x20: [io 0x1040-0x105f] [ 0.505066] pci 0000:01:00.0: [8086:095a] type 00 class 0x028000 [ 0.505870] pci 0000:01:00.0: reg 0x10: [mem 0xc2a00000-0xc2a01fff 64bit] [ 0.507022] pci 0000:01:00.0: Upstream bridge's Max Payload Size set to 128 (was 256, max 256) [ 0.507836] pci 0000:01:00.0: Max Payload Size set to 128 (was 128, max 128) [ 0.509378] pci 0000:01:00.0: PME# supported from D0 D3hot D3cold [ 0.511419] pci 0000:00:14.0: PCI bridge to [bus 01] [ 0.511649] pci 0000:00:14.0: bridge window [mem 0xc2a00000-0xc2afffff] [ 0.520003] ACPI: EC: interrupt unblocked [ 0.520362] ACPI: EC: event unblocked [ 0.520635] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62 [ 0.521069] ACPI: EC: GPE=0x2b [ 0.521357] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC initialization complete [ 0.521639] ACPI: \_SB_.PCI0.LPCB.EC0_: EC: Used to handle transactions and events [ 0.522970] iommu: Default domain type: Translated [ 0.523724] pci 0000:00:02.0: vgaarb: setting as boot VGA device [ 0.524267] pci 0000:00:02.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none [ 0.524660] pci 0000:00:02.0: vgaarb: bridge control possible [ 0.525161] vgaarb: loaded [ 0.525978] SCSI subsystem initialized [ 0.526741] ACPI: bus type USB registered [ 0.527238] usbcore: registered new interface driver usbfs [ 0.527706] usbcore: registered new interface driver hub [ 0.528212] usbcore: registered new device driver usb [ 0.528776] pps_core: LinuxPPS API ver. 1 registered [ 0.529196] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 0.529652] PTP clock support registered [ 0.530659] Advanced Linux Sound Architecture Driver Initialized. [ 0.532188] NetLabel: Initializing [ 0.532502] NetLabel: domain hash size = 128 [ 0.532635] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO [ 0.533201] NetLabel: unlabeled traffic allowed by default [ 0.533763] PCI: Using ACPI for IRQ routing [ 0.565463] Expanded resource Reserved due to conflict with PCI Bus 0000:00 [ 0.565736] hpet0: at MMIO 0xfed00000, IRQs 2, 8, 0, 0, 0, 0, 0, 0 [ 0.566300] hpet0: 8 comparators, 64-bit 19.200000 MHz counter [ 0.568750] clocksource: Switched to clocksource tsc-early [ 1.010540] VFS: Disk quotas dquot_6.6.0 [ 1.010975] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 1.011987] pnp: PnP ACPI init [ 1.013132] system 00:00: [io 0x0900-0x09fe] has been reserved [ 1.013962] system 00:01: [io 0x0200] has been reserved [ 1.014431] system 00:01: [io 0x0204] has been reserved [ 1.014914] system 00:01: [io 0x0800-0x087f] has been reserved [ 1.015415] system 00:01: [io 0x0880-0x08ff] has been reserved [ 1.018260] pnp: PnP ACPI: found 3 devices [ 1.034298] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns [ 1.035198] NET: Registered protocol family 2 [ 1.035777] IP idents hash table entries: 65536 (order: 7, 524288 bytes, linear) [ 1.037947] tcp_listen_portaddr_hash hash table entries: 2048 (order: 5, 163840 bytes, linear) [ 1.038840] TCP established hash table entries: 32768 (order: 6, 262144 bytes, linear) [ 1.039803] TCP bind hash table entries: 32768 (order: 9, 2359296 bytes, linear) [ 1.042474] TCP: Hash tables configured (established 32768 bind 32768) [ 1.043558] MPTCP token hash table entries: 4096 (order: 6, 360448 bytes, linear) [ 1.044559] UDP hash table entries: 2048 (order: 6, 327680 bytes, linear) [ 1.045453] UDP-Lite hash table entries: 2048 (order: 6, 327680 bytes, linear) [ 1.046541] NET: Registered protocol family 1 [ 1.047807] RPC: Registered named UNIX socket transport module. [ 1.048345] RPC: Registered udp transport module. [ 1.048763] RPC: Registered tcp transport module. [ 1.049180] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 1.050310] NET: Registered protocol family 44 [ 1.050742] pci 0000:00:14.0: PCI bridge to [bus 01] [ 1.051196] pci 0000:00:14.0: bridge window [mem 0xc2a00000-0xc2afffff] [ 1.051812] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7 window] [ 1.052346] pci_bus 0000:00: resource 5 [io 0x1000-0xffff window] [ 1.052877] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window] [ 1.053452] pci_bus 0000:00: resource 7 [mem 0x7b800000-0x7fffffff window] [ 1.054118] pci_bus 0000:00: resource 8 [mem 0x80000000-0xe0000000 window] [ 1.054724] pci_bus 0000:01: resource 1 [mem 0xc2a00000-0xc2afffff] [ 1.055524] pci 0000:00:02.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff] [ 1.059118] PCI: CLS 64 bytes, default 64 [ 1.059936] Unpacking initramfs... [ 1.296383] Freeing initrd memory: 8432K [ 1.296835] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) [ 1.297379] software IO TLB: mapped [mem 0x00000000769fd000-0x000000007a9fd000] (64MB) [ 1.298321] RAPL PMU: API unit is 2^-32 Joules, 4 fixed counters, 655360 ms ovfl timer [ 1.299021] RAPL PMU: hw unit of domain pp0-core 2^-14 Joules [ 1.299522] RAPL PMU: hw unit of domain package 2^-14 Joules [ 1.300010] RAPL PMU: hw unit of domain dram 2^-14 Joules [ 1.300480] RAPL PMU: hw unit of domain pp1-gpu 2^-14 Joules [ 1.302218] kvm: already loaded the other module [ 1.302651] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0xfc66f4fc7c, max_idle_ns: 440795224246 ns [ 1.303534] clocksource: Switched to clocksource tsc [ 1.304064] platform rtc_cmos: registered platform RTC device (no PNP device found) [ 1.306172] check: Scanning for low memory corruption every 60 seconds [ 1.309262] Initialise system trusted keyrings [ 1.310020] workingset: timestamp_bits=56 max_order=20 bucket_order=0 [ 1.329507] NFS: Registering the id_resolver key type [ 1.330010] Key type id_resolver registered [ 1.330410] Key type id_legacy registered [ 1.342900] Key type asymmetric registered [ 1.343284] Asymmetric key parser 'x509' registered [ 1.343830] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 249) [ 1.344481] io scheduler mq-deadline registered [ 1.344905] io scheduler kyber registered [ 1.345489] test_firmware: interface ready [ 1.346671] pcieport 0000:00:14.0: PME: Signaling with IRQ 120 [ 1.348509] ACPI: AC Adapter [AC] (on-line) [ 1.349249] input: Lid Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:14/PNP0C09:00/PNP0C0D:00/input/input0 [ 1.350888] ACPI: Lid Switch [LID0] [ 1.351396] input: Power Button as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0C:00/input/input1 [ 1.352295] ACPI: Power Button [PWRB] [ 1.352821] input: Sleep Button as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0E:00/input/input2 [ 1.353740] ACPI: Sleep Button [SLP] [ 1.354247] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input3 [ 1.355089] ACPI: Power Button [PWRF] [ 1.355671] ACPI: \_PR_.CP00: Found 3 idle states [ 1.356755] ACPI: \_PR_.CP01: Found 3 idle states [ 1.361821] battery: ACPI: Battery Slot [BAT0] (battery present) [ 1.363121] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 1.365791] Non-volatile memory driver v1.3 [ 1.366292] Linux agpgart interface v0.103 [ 1.369903] i915 0000:00:02.0: vgaarb: deactivate vga console [ 1.423761] i915 0000:00:02.0: Invalid PCI ROM header signature: expecting 0xaa55, got 0xace0 [ 1.424519] i915 0000:00:02.0: [drm] Failed to find VBIOS tables (VBT) [ 1.425280] i915 0000:00:02.0: vgaarb: changed VGA decodes: olddecodes=io+mem,decodes=io+mem:owns=io+mem [ 1.426580] i915 0000:00:02.0: Direct firmware load for i915/bxt_dmc_ver1_07.bin failed with error -2 [ 1.427470] i915 0000:00:02.0: [drm] Failed to load DMC firmware i915/bxt_dmc_ver1_07.bin. Disabling runtime power management. [ 1.428455] i915 0000:00:02.0: [drm] DMC firmware homepage: https://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git/tree/i915 [ 1.473834] [drm] Initialized i915 1.6.0 20200917 for 0000:00:02.0 on minor 0 [ 1.477238] [drm] Initialized vgem 1.0.0 20120112 for vgem on minor 1 [ 1.491190] loop: module loaded [ 1.492191] lkdtm: No crash points registered, enable through debugfs [ 1.545827] dw-apb-uart.6: ttyS0 at MMIO 0xc2b2d000 (irq = 4, base_baud = 115200) is a 16550A [ 1.549614] dw-apb-uart.7: ttyS1 at MMIO 0xc2b2f000 (irq = 5, base_baud = 115200) is a 16550A [ 1.552888] printk: console [ttyS2] disabled [ 1.553847] dw-apb-uart.8: ttyS2 at MMIO 0xde000000 (irq = 6, base_baud = 114825) is a 16550A [ 1.577696] i915 0000:00:02.0: [drm] *ERROR* AUX B/port B: did not complete or timeout within 10ms (status 0xad4003ff) [ 1.601428] printk: console [ttyS2] enabled [ 1.609950] i915 0000:00:02.0: [drm] *ERROR* AUX B/port B: not done (status 0xad4003ff) [ 4.650868] fbcon: i915drmfb (fb0) is primary device [ 4.654772] pxa2xx-spi pxa2xx-spi.9: no DMA channels available, using PIO [ 4.662746] e100: Intel(R) PRO/100 Network Driver [ 4.662750] e100: Copyright(c) 1999-2006 Intel Corporation [ 4.662811] e1000: Intel(R) PRO/1000 Network Driver [ 4.662813] e1000: Copyright (c) 1999-2006 Intel Corporation. [ 4.662906] e1000e: Intel(R) PRO/1000 Network Driver [ 4.662908] e1000e: Copyright(c) 1999 - 2015 Intel Corporation. [ 4.662983] sky2: driver version 1.30 [ 4.663271] usbcore: registered new interface driver r8152 [ 4.663736] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver [ 4.663753] ehci-pci: EHCI PCI platform driver [ 4.663817] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver [ 4.663832] ohci-pci: OHCI PCI platform driver [ 4.663885] uhci_hcd: USB Universal Host Controller Interface driver [ 4.665380] xhci_hcd 0000:00:15.0: xHCI Host Controller [ 4.666091] xhci_hcd 0000:00:15.0: new USB bus registered, assigned bus number 1 [ 4.667324] xhci_hcd 0000:00:15.0: hcc params 0x200077c1 hci version 0x100 quirks 0x0000000081109810 [ 4.667372] xhci_hcd 0000:00:15.0: cache line size of 64 is not supported [ 4.670844] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.10 [ 4.670861] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 4.670865] usb usb1: Product: xHCI Host Controller [ 4.670868] usb usb1: Manufacturer: Linux 5.10.147-cip18 xhci-hcd [ 4.670871] usb usb1: SerialNumber: 0000:00:15.0 [ 4.672094] hub 1-0:1.0: USB hub found [ 4.672197] hub 1-0:1.0: 8 ports detected [ 4.674092] xhci_hcd 0000:00:15.0: xHCI Host Controller [ 4.674453] xhci_hcd 0000:00:15.0: new USB bus registered, assigned bus number 2 [ 4.674465] xhci_hcd 0000:00:15.0: Host supports USB 3.0 SuperSpeed [ 4.674854] usb usb2: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.10 [ 4.674861] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 4.674864] usb usb2: Product: xHCI Host Controller [ 4.674867] usb usb2: Manufacturer: Linux 5.10.147-cip18 xhci-hcd [ 4.674870] usb usb2: SerialNumber: 0000:00:15.0 [ 4.675704] hub 2-0:1.0: USB hub found [ 4.675779] hub 2-0:1.0: 7 ports detected [ 4.677398] usbcore: registered new interface driver usblp [ 4.677453] usbcore: registered new interface driver usb-storage [ 4.677859] udc-core: couldn't find an available UDC - added [g_ether] to list of pending drivers [ 4.677970] i8042: PNP: PS/2 Controller [PNP0303:PS2K] at 0x60,0x64 irq 1 [ 4.677972] i8042: PNP: PS/2 appears to have AUX port disabled, if this is incorrect please boot with i8042.nopnp [ 4.678522] i8042: Warning: Keylock active [ 4.678847] serio: i8042 KBD port at 0x60,0x64 irq 1 [ 4.680787] rtc_cmos rtc_cmos: RTC can wake from S4 [ 4.682761] rtc_cmos rtc_cmos: registered as rtc0 [ 4.683056] rtc_cmos rtc_cmos: alarms up to one month, 114 bytes nvram, hpet irqs [ 4.683941] input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input4 [ 4.688189] i801_smbus 0000:00:1f.1: can't derive routing for PCI INT A [ 4.688194] i801_smbus 0000:00:1f.1: PCI INT A: no GSI [ 4.688233] i801_smbus 0000:00:1f.1: SPD Write Disable is set [ 4.688311] genirq: Flags mismatch irq 0. 00000080 (i801_smbus) vs. 00015a00 (timer) [ 4.688335] i801_smbus 0000:00:1f.1: Failed to allocate irq 0: -16 [ 4.688337] i801_smbus 0000:00:1f.1: SMBus using polling [ 4.689358] device-mapper: ioctl: 4.43.0-ioctl (2020-10-01) initialised: dm-devel@redhat.com [ 4.689403] intel_pstate: Intel P-state driver initializing [ 4.690020] Console: switching to colour frame buffer device 170x48 [ 4.691152] sdhci: Secure Digital Host Controller Interface driver [ 4.691159] sdhci: Copyright(c) Pierre Ossman [ 4.691371] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) [ 4.699858] sdhci-pci 0000:00:1c.0: SDHCI controller found [8086:5acc] (rev b) [ 4.706320] mmc0: SDHCI controller on PCI [0000:00:1c.0] using ADMA 64-bit [ 4.707000] hid: raw HID events driver (C) Jiri Kosina [ 4.709799] usbcore: registered new interface driver usbhid [ 4.709805] usbhid: USB HID core driver [ 4.712747] input: Tablet Mode Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:14/PNP0C09:00/GOOG0006:00/input/input5 [ 4.720225] cros_ec_lpcs GOOG0004:00: Chrome EC device registered [ 4.726940] i915 0000:00:02.0: [drm] fb0: i915drmfb frame buffer device [ 4.735487] snd_hda_intel 0000:00:0e.0: DSP detected with PCI class/subclass/prog-if info 0x040100 [ 4.910938] usb 1-5: new high-speed USB device number 2 using xhci_hcd [ 5.062415] usb 1-5: New USB device found, idVendor=0408, idProduct=3090, bcdDevice= 0.04 [ 5.075238] snd_hda_intel 0000:00:0e.0: bound 0000:00:02.0 (ops i915_audio_component_bind_ops) [ 5.077598] usb 1-5: New USB device strings: Mfr=3, Product=1, SerialNumber=2 [ 5.077609] usb 1-5: Product: USB2.0 HD UVC WebCam [ 5.077617] usb 1-5: Manufacturer: Quanta [ 5.077625] usb 1-5: SerialNumber: 0x0001 [ 5.084738] netem: version 1.3 [ 5.156951] usb 2-5: new SuperSpeed Gen 1 USB device number 2 using xhci_hcd [ 5.164603] ipip: IPv4 and MPLS over IPv4 tunneling driver [ 5.190882] usb 2-5: New USB device found, idVendor=0bda, idProduct=8153, bcdDevice=30.00 [ 5.200487] gre: GRE over IPv4 demultiplexor driver [ 5.207334] usb 2-5: New USB device strings: Mfr=1, Product=2, SerialNumber=6 [ 5.215365] ip_gre: GRE over IPv4 tunneling driver [ 5.220768] usb 2-5: Product: USB 10/100/1000 LAN [ 5.220778] usb 2-5: Manufacturer: Realtek [ 5.220787] usb 2-5: SerialNumber: 000001 [ 5.231230] IPv4 over IPsec tunneling driver [ 5.296808] Initializing XFRM netlink socket [ 5.305500] NET: Registered protocol family 10 [ 5.305543] snd_hda_intel 0000:00:0e.0: Cannot probe codecs, giving up [ 5.310669] usb 1-6: new full-speed USB device number 3 using xhci_hcd [ 5.330023] Segment Routing with IPv6 [ 5.338514] ip6_gre: GRE over IPv6 tunneling driver [ 5.345583] NET: Registered protocol family 17 [ 5.351271] Key type dns_resolver registered [ 5.359038] microcode: sig=0x506c9, pf=0x1, revision=0x2c [ 5.365464] microcode: Microcode Update Driver: v2.2. [ 5.365486] IPI shorthand broadcast: enabled [ 5.376286] sched_clock: Marking stable (5293514999, 82492196)->(5400783513, -24776318) [ 5.386508] registered taskstats version 1 [ 5.391334] Loading compiled-in X.509 certificates [ 5.397477] mmc0: new HS400 MMC card at address 0001 [ 5.406613] mmcblk0: mmc0:0001 DA4064 58.2 GiB [ 5.412427] mmcblk0boot0: mmc0:0001 DA4064 partition 1 4.00 MiB [ 5.416798] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) [ 5.419674] mmcblk0boot1: mmc0:0001 DA4064 partition 2 4.00 MiB [ 5.434946] mmcblk0rpmb: mmc0:0001 DA4064 partition 3 16.0 MiB, chardev (246:0) [ 5.439541] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) [ 5.461360] PM: Magic number: 10:104:124 [ 5.464999] mmcblk0: p1 p2 p3 p4 p5 p6 p7 p8 p9 p10 p11 p12 [ 5.468455] usb 1-6: New USB device found, idVendor=8087, idProduct=0a2a, bcdDevice= 0.03 [ 5.481992] usb 1-6: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 5.490733] printk: console [netcon0] enabled [ 5.495727] netconsole: network logging started [ 5.497171] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) [ 5.532063] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) [ 5.582303] usb 2-5: reset SuperSpeed Gen 1 USB device number 2 using xhci_hcd [ 5.612529] r8152 2-5:1.0: Direct firmware load for rtl_nic/rtl8153a-4.fw failed with error -2 [ 5.622958] r8152 2-5:1.0: unable to load firmware patch rtl_nic/rtl8153a-4.fw (-2) [ 5.665318] r8152 2-5:1.0 eth0: v1.11.11 [ 5.671152] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) [ 5.672220] IP-Config: Failed to open gretap0 [ 5.684601] IP-Config: Failed to open erspan0 [ 5.709696] Sending DHCP requests . [ 7.381179] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready [ 7.392962] r8152 2-5:1.0 eth0: carrier on [ 7.806953] ., OK [ 7.815302] IP-Config: Got DHCP answer from 192.168.201.1, my address is 192.168.201.19 [ 7.824331] IP-Config: Complete: [ 7.828000] device=eth0, hwaddr=00:24:32:30:79:fd, ipaddr=192.168.201.19, mask=255.255.255.0, gw=192.168.201.1 [ 7.839731] host=asus-C523NA-A20057-coral-cbg-6, domain=lava-rack, nis-domain=(none) [ 7.848926] bootserver=192.168.201.1, rootserver=192.168.201.1, rootpath= [ 7.848937] nameserver0=192.168.201.1 [ 7.862469] cfg80211: Loading compiled-in X.509 certificates for regulatory database [ 7.886932] modprobe (86) used greatest stack depth: 14208 bytes left [ 7.910702] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7' [ 7.919353] ALSA device list: [ 7.919374] platform regulatory.0: Direct firmware load for regulatory.db failed with error -2 [ 7.922796] No soundcards found. [ 7.932625] cfg80211: failed to load regulatory.db [ 7.943914] dw-apb-uart dw-apb-uart.8: forbid DMA for kernel console [ 7.967701] Freeing unused kernel image (initmem) memory: 2032K [ 7.980146] Write protecting the kernel read-only data: 28672k [ 7.992398] Freeing unused kernel image (text/rodata gap) memory: 2028K [ 8.002574] Freeing unused kernel image (rodata/data gap) memory: 1428K [ 8.010799] Run /init as init process [ 8.044456] cat (96) used greatest stack depth: 13800 bytes left Loading, please wait... Starting version 247.3-7+deb11u1 [ 8.122529] systemd-udevd (108) used greatest stack depth: 13672 bytes left [ 8.457115] udevadm (110) used greatest stack depth: 13616 bytes left [ 9.434083] cros-usbpd-notify-acpi GOOG0003:00: Couldn't get Chrome EC device pointer. [ 9.492435] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) [ 9.683438] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) [ 10.097324] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) [ 10.118372] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) [ 10.145218] 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: eth0 hardware address 00:24:32:30:79:fd mtu 1500 DHCP IP-Config: gretap0 hardware address 00:00:00:00:00:00 mtu 1462 DHCP SIOCSIFFLAGS: Cannot assign requested address IP-Config: erspan0 hardware address 00:00:00:00:00:00 mtu 1450 DHCP SIOCSIFFLAGS: Cannot assign requested address IP-Config: eth0 complete (dhcp from 192.168.201.1): address: 192.168.201.19 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-6 domain : lava-rack rootserver: 192.168.201.1 rootpath: filename : [ 10.400481] nfsmount (141) used greatest stack depth: 12680 bytes left done. Begin: Running /scripts/nfs-bottom ... done. Begin: Running /scripts/init-bottom ... done. SELinux: Could not open policy file <= /etc/selinux/targeted/policy/policy.33: No such file or directory [ 12.176815] systemd[1]: systemd 247.3-7+deb11u1 running in system mode. (+PAM +AUDIT +SELINUX +IMA +APPARMOR +SMACK +SYSVINIT +UTMP +LIBCRYPTSETUP +GCRYPT +GNUTLS +ACL +XZ +LZ4 +ZSTD +SECCOMP +BLKID +ELFUTILS +KMOD +IDN2 -IDN +PCRE2 default-hierarchy=unified) [ 12.217503] systemd[1]: Detected architecture x86-64. Welcome to [1mDebian GNU/Linux 11 (bullseye)[0m! [ 12.261460] systemd[1]: Set hostname to . [ 13.750562] systemd[1]: Queued start job for default target Graphical Interface. [ 13.768602] systemd[1]: Created slice system-getty.slice. [[0;32m OK [0m] Created slice [0;1;39msystem-getty.slice[0m. [ 13.787485] systemd[1]: Created slice system-modprobe.slice. [[0;32m OK [0m] Created slice [0;1;39msystem-modprobe.slice[0m. [ 13.806313] systemd[1]: Created slice system-serial\x2dgetty.slice. [[0;32m OK [0m] Created slice [0;1;39msystem-serial\x2dgetty.slice[0m. [ 13.825173] systemd[1]: Created slice User and Session Slice. [[0;32m OK [0m] Created slice [0;1;39mUser and Session Slice[0m. [ 13.842859] 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. [ 13.863335] 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. [ 13.885870] 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. [ 13.909505] systemd[1]: Reached target Local Encrypted Volumes. [[0;32m OK [0m] Reached target [0;1;39mLocal Encrypted Volumes[0m. [ 13.926471] systemd[1]: Reached target Paths. [[0;32m OK [0m] Reached target [0;1;39mPaths[0m. [ 13.938156] systemd[1]: Reached target Remote File Systems. [[0;32m OK [0m] Reached target [0;1;39mRemote File Systems[0m. [ 13.954354] systemd[1]: Reached target Slices. [[0;32m OK [0m] Reached target [0;1;39mSlices[0m. [ 13.966165] systemd[1]: Reached target Swap. [[0;32m OK [0m] Reached target [0;1;39mSwap[0m. [ 13.978632] systemd[1]: Listening on initctl Compatibility Named Pipe. [[0;32m OK [0m] Listening on [0;1;39minitctl Compatibility Named Pipe[0m. [ 13.999843] systemd[1]: Listening on Journal Audit Socket. [[0;32m OK [0m] Listening on [0;1;39mJournal Audit Socket[0m. [ 14.019801] systemd[1]: Listening on Journal Socket (/dev/log). [[0;32m OK [0m] Listening on [0;1;39mJournal Socket (/dev/log)[0m. [ 14.038506] systemd[1]: Listening on Journal Socket. [[0;32m OK [0m] Listening on [0;1;39mJournal Socket[0m. [ 14.057635] systemd[1]: Listening on Network Service Netlink Socket. [[0;32m OK [0m] Listening on [0;1;39mNetwork Service Netlink Socket[0m. [ 14.080886] systemd[1]: Listening on udev Control Socket. [[0;32m OK [0m] Listening on [0;1;39mudev Control Socket[0m. [ 14.099117] systemd[1]: Listening on udev Kernel Socket. [[0;32m OK [0m] Listening on [0;1;39mudev Kernel Socket[0m. [ 14.123878] systemd[1]: Mounting Huge Pages File System... Mounting [0;1;39mHuge Pages File System[0m... [ 14.148555] systemd[1]: Mounting POSIX Message Queue File System... Mounting [0;1;39mPOSIX Message Queue File System[0m... [ 14.172990] systemd[1]: Mounting Kernel Debug File System... Mounting [0;1;39mKernel Debug File System[0m... [ 14.201485] systemd[1]: Mounting Kernel Trace File System... Mounting [0;1;39mKernel Trace File System[0m... [ 14.231745] systemd[1]: Starting Create list of static device nodes for the current kernel... Starting [0;1;39mCreate list of st…odes for the current kernel[0m... [ 14.270060] systemd[1]: Starting Load Kernel Module configfs... Starting [0;1;39mLoad Kernel Module configfs[0m... [ 14.314702] systemd[1]: Starting Load Kernel Module drm... Starting [0;1;39mLoad Kernel Module drm[0m... [ 14.349973] mount (169) used greatest stack depth: 12528 bytes left [ 14.365509] systemd[1]: Starting Load Kernel Module fuse... Starting [0;1;39mLoad Kernel Module fuse[0m... [ 14.389830] systemd[1]: Condition check resulted in Set Up Additional Binary Formats being skipped. [ 14.422028] systemd[1]: Starting Journal Service... Starting [0;1;39mJournal Service[0m... [ 14.465491] systemd[1]: Starting Load Kernel Modules... Starting [0;1;39mLoad Kernel Modules[0m... [ 14.485994] fuse: init (API version 7.32) [ 14.500145] systemd[1]: Starting Remount Root and Kernel File Systems... Starting [0;1;39mRemount Root and Kernel File Systems[0m... [ 14.549175] systemd[1]: Starting Coldplug All udev Devices... Starting [0;1;39mColdplug All udev Devices[0m... [ 14.645511] systemd[1]: Mounted Huge Pages File System. [[0;32m OK [0m] Mounted [0;1;39mHuge Pages File System[0m. [ 14.663511] systemd[1]: Mounted POSIX Message Queue File System. [[0;32m OK [0m] Mounted [0;1;39mPOSIX Message Queue File System[0m. [ 14.684477] systemd[1]: Mounted Kernel Debug File System. [[0;32m OK [0m] Mounted [0;1;39mKernel Debug File System[0m. [ 14.708456] systemd[1]: Mounted Kernel Trace File System. [[0;32m OK [0m] Mounted [0;1;39mKernel Trace File System[0m. [ 14.743309] systemd[1]: Finished Create list of static device nodes for the current kernel. [[0;32m OK [0m] Finished [0;1;39mCreate list of st… nodes for the current kernel[0m. [ 14.786997] systemd[1]: modprobe@configfs.service: Succeeded. [ 14.797092] systemd[1]: Finished Load Kernel Module configfs. [[0;32m OK [0m] Finished [0;1;39mLoad Kernel Module configfs[0m. [ 14.821480] systemd[1]: modprobe@drm.service: Succeeded. [ 14.841926] systemd[1]: Finished Load Kernel Module drm. [[0;32m OK [0m] Finished [0;1;39mLoad Kernel Module drm[0m. [ 14.869215] systemd[1]: modprobe@fuse.service: Succeeded. [ 14.887905] systemd[1]: Finished Load Kernel Module fuse. [[0;32m OK [0m] Finished [0;1;39mLoad Kernel Module fuse[0m. [ 14.915297] systemd[1]: Finished Load Kernel Modules. [[0;32m OK [0m] Finished [0;1;39mLoad Kernel Modules[0m. [ 14.942312] systemd[1]: Finished Remount Root and Kernel File Systems. [[0;32m OK [0m] Finished [0;1;39mRemount Root and Kernel File Systems[0m. [ 14.980404] systemd[1]: Mounting FUSE Control File System... Mounting [0;1;39mFUSE Control File System[0m... [ 15.015363] systemd[1]: Mounting Kernel Configuration File System... Mounting [0;1;39mKernel Configuration File System[0m... [ 15.064467] systemd[1]: Condition check resulted in Rebuild Hardware Database being skipped. [ 15.081540] systemd[1]: Condition check resulted in Platform Persistent Storage Archival being skipped. [ 15.117341] systemd[1]: Starting Load/Save Random Seed... Starting [0;1;39mLoad/Save Random Seed[0m... [ 15.148707] systemd[1]: Starting Apply Kernel Variables... Starting [0;1;39mApply Kernel Variables[0m... [ 15.185882] systemd[1]: Starting Create System Users... Starting [0;1;39mCreate System Users[0m... [ 15.261443] systemd[1]: Mounted FUSE Control File System. [[0;32m OK [0m] Mounted [0;1;39mFUSE Control File System[0m. [ 15.305454] systemd[1]: Mounted Kernel Configuration File System. [[0;32m OK [0m] Mounted [0;1;39mKernel Configuration File System[0m. [ 15.346037] systemd[1]: Finished Load/Save Random Seed. [[0;32m OK [0m] Finished [0;1;39mLoad/Save Random Seed[0m. [ 15.371883] systemd[1]: Condition check resulted in First Boot Complete being skipped. [ 15.400547] systemd[1]: Finished Apply Kernel Variables. [[0;32m OK [0m] Finished [0;1;39mApply Kernel Variables[0m. [ 15.574571] systemd[1]: Finished Create System Users. [[0;32m OK [0m] Finished [0;1;39mCreate System Users[0m. [ 15.610593] systemd[1]: Starting Create Static Device Nodes in /dev... Starting [0;1;39mCreate Static Device Nodes in /dev[0m... [ 15.823036] systemd[1]: Finished Create Static Device Nodes in /dev. [[0;32m OK [0m] Finished [0;1;39mCreate Static Device Nodes in /dev[0m. [ 15.848021] systemd[1]: Reached target Local File Systems (Pre). [[0;32m OK [0m] Reached target [0;1;39mLocal File Systems (Pre)[0m. [ 15.870996] systemd[1]: Reached target Local File Systems. [[0;32m OK [0m] Reached target [0;1;39mLocal File Systems[0m. [ 15.892303] systemd[1]: Condition check resulted in Store a System Token in an EFI Variable being skipped. [ 15.910079] systemd[1]: Condition check resulted in Commit a transient machine-id on disk being skipped. [ 15.966783] systemd[1]: Starting Rule-based Manager for Device Events and Files... Starting [0;1;39mRule-based Manage…for Device Events and Files[0m... [ 15.993182] systemd[1]: Started Journal Service. [[0;32m OK [0m] Started [0;1;39mJournal Service[0m. Starting [0;1;39mFlush Journal to Persistent Storage[0m... [ 16.186359] systemd-journald[177]: Received client request to flush runtime journal. [[0;32m OK [0m] Started [0;1;39mRule-based Manager for Device Events and Files[0m. Starting [0;1;39mNetwork Service[0m... [[0;32m OK [0m] Finished [0;1;39mColdplug All udev Devices[0m. [[0;32m OK [0m] Found device [0;1;39mCeleron N3350…3900 Series HSUART Controller[0m. [[0;32m OK [0m] Created slice [0;1;39msystem-systemd\x2dbacklight.slice[0m. Starting [0;1;39mLoad/Save Screen …f backlight:intel_backlight[0m... [[0;32m OK [0m] Finished [0;1;39mFlush Journal to Persistent Storage[0m. Starting [0;1;39mCreate Volatile Files and Directories[0m... [[0;32m OK [0m] Finished [0;1;39mLoad/Save Screen … of backlight:intel_backlight[0m. [[0;32m OK [0m] Started [0;1;39mNetwork Service[0m. [[0;32m OK [0m] Listening on [0;1;39mLoad/Save RF …itch Status /dev/rfkill Watch[0m. [[0;32m OK [0m] Finished [0;1;39mCreate Volatile Files and Directories[0m. Starting [0;1;39mNetwork Name Resolution[0m... Starting [0;1;39mUpdate UTMP about System Boot/Shutdown[0m... [[0;32m OK [0m] Finished [0;1;39mUpdate UTMP about System Boot/Shutdown[0m. [[0;32m OK [0m] Reached target [0;1;39mSystem Initialization[0m. [[0;32m OK [0m] Started [0;1;39mDaily apt download activities[0m. [[0;32m OK [0m] Started [0;1;39mDaily apt upgrade and clean activities[0m. [[0;32m OK [0m] Started [0;1;39mPeriodic ext4 Onli…ata Check for All Filesystems[0m. [[0;32m OK [0m] Started [0;1;39mDiscard unused blocks once a week[0m. [[0;32m OK [0m] Started [0;1;39mDaily Cleanup of Temporary Directories[0m. [[0;32m OK [0m] Reached target [0;1;39mTimers[0m. [[0;32m OK [0m] Listening on [0;1;39mD-Bus System Message Bus Socket[0m. [[0;32m OK [0m] Reached target [0;1;39mSockets[0m. [[0;32m OK [0m] Reached target [0;1;39mBasic System[0m. [[0;32m OK [0m] Started [0;1;39mD-Bus System Message Bus[0m. Starting [0;1;39mRemove Stale Onli…t4 Metadata Check Snapshots[0m... Starting [0;1;39mUser Login Management[0m... [[0;32m OK [0m] Started [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;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 5.10.147-cip18 #1 SMP Wed Oct 26 09:55:52 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/7724716/extract-nfsrootfs-d6mqamsb' export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/7724716/extract-nfsrootfs-d6mqamsb' / # 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-7724716/environment . /lava-7724716/environment / # /lava-7724716/bin/lava-test-runner /lava-7724716/0 /lava-7724716/bin/lava-test-runner /lava-7724716/0 + export TESTRUN_ID=0_timesync-off + TESTRUN_ID=0_timesync-off + cd /lava-7724716/0/tests/0_timesync-off ++ cat uuid + UUID=7724716_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-7724716/0/tests/1_kselftest-lkdtm ++ cat uuid + UUID=7724716_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/v5.10.147-cip18-12-g7bc9523ecfb7f/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-7724716/0/tests/1_kselftest-lkdtm/automated/linux/kselftest/skipfile-lkft.yaml INFO: Using the following generated skipfile contents (until EOF): breakpoints:breakpoint_test breakpoints:step_after_suspend_test ftrace:ftracetest net:rtnetlink.sh net:tls netfilter:bridge_brouter.sh netfilter:nft_flowtable.sh netfilter:nft_trans_stress.sh pidfd:pidfd_wait INFO: EOF INFO: Installing sed perl wget xz-utils iproute2 Hit:1 http://deb.debian.org/debian bullseye InRelease Reading package lists... Reading package lists... Building dependency tree... Reading state information... iproute2 is already the newest version (5.10.0-4). perl is already the newest version (5.32.1-4+deb11u2). sed is already the newest version (4.7-1). wget is already the newest version (1.21-1+deb11u1). xz-utils is already the newest version (5.2.5-2.1~deb11u1). 0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded. --2022-10-26 10:08:44-- http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.147-cip18-12-g7bc9523ecfb7f/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: 3541196 (3.4M) [application/octet-stream] Saving to: 'kselftest.tar.xz' kselftest.tar.xz 0%[ ] 0 --.-KB/s kselftest.tar.xz 1%[ ] 50.15K 182KB/s kselftest.tar.xz 6%[> ] 217.50K 392KB/s kselftest.tar.xz 23%[===> ] 818.47K 929KB/s kselftest.tar.xz 56%[==========> ] 1.90M 1.62MB/s kselftest.tar.xz 84%[===============> ] 2.87M 2.06MB/s kselftest.tar.xz 100%[===================>] 3.38M 2.17MB/s in 1.6s 2022-10-26 10:08:47 (2.17 MB/s) - 'kselftest.tar.xz' saved [3541196/3541196] 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 ======================================== [ 68.704157] 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 [ 69.365244] lkdtm: Performing direct entry BUG [ 69.370719] ------------[ cut here ]------------ [ 69.375956] kernel BUG at drivers/misc/lkdtm/bugs.c:76! [ 69.381876] invalid opcode: 0000 [#1] SMP PTI [ 69.386755] CPU: 1 PID: 699 Comm: cat Tainted: G W 5.10.147-cip18 #1 [ 69.395321] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 69.401951] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 69.406341] Code: 89 ff e8 2e b5 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 20 db 92 02 [ 69.427342] RSP: 0018:ffffaeb541267e60 EFLAGS: 00010286 [ 69.433192] RAX: ffffffff910de9f0 RBX: 0000000000000001 RCX: 0000000000000000 [ 69.441175] RDX: 0000000000000000 RSI: ffff934b3bd1bf70 RDI: ffffffff91d9ae90 [ 69.449157] RBP: ffffffff921dd3c0 R08: 0000000000000001 R09: 0000000000000001 [ 69.457137] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 69.465120] R13: ffffaeb541267f10 R14: ffffaeb541267f10 R15: ffff934ac4045000 [ 69.473103] FS: 00007f01379eb580(0000) GS:ffff934b3bd00000(0000) knlGS:0000000000000000 [ 69.482153] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 69.488580] CR2: 00007f01377f4000 CR3: 0000000103b7a000 CR4: 00000000003506e0 [ 69.496560] Call Trace: [ 69.499301] direct_entry.cold+0x2c/0x38 [ 69.503693] full_proxy_write+0x56/0x80 [ 69.507990] vfs_write+0xea/0x3a0 [ 69.511699] ksys_write+0x68/0xf0 [ 69.515412] do_syscall_64+0x33/0x40 [ 69.519412] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 69.525066] RIP: 0033:0x7f01379018f3 [ 69.529064] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 69.550070] RSP: 002b:00007fff108df778 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 69.558542] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f01379018f3 [ 69.566523] RDX: 0000000000000004 RSI: 00007f01377f4000 RDI: 0000000000000001 [ 69.574507] RBP: 00007f01377f4000 R08: 00007f01377f3010 R09: 0000000000000000 [ 69.582488] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 69.590468] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 69.598462] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 69.614571] ---[ end trace 42bc2b033115ef45 ]--- [ 69.619903] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 69.624340] Code: 89 ff e8 2e b5 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 20 db 92 02 [ 69.645373] RSP: 0018:ffffaeb541267e60 EFLAGS: 00010286 [ 69.651285] RAX: ffffffff910de9f0 RBX: 0000000000000001 RCX: 0000000000000000 [ 69.659551] RDX: 0000000000000000 RSI: ffff934b3bd1bf70 RDI: ffffffff91d9ae90 [ 69.667604] RBP: ffffffff921dd3c0 R08: 0000000000000001 R09: 0000000000000001 [ 69.676002] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 69.684306] R13: ffffaeb541267f10 R14: ffffaeb541267f10 R15: ffff934ac4045000 [ 69.692619] FS: 00007f01379eb580(0000) GS:ffff934b3bd00000(0000) knlGS:0000000000000000 [ 69.701901] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 69.708560] CR2: 00007f01377f4000 CR3: 0000000103b7a000 CR4: 00000000003506e0 # Segmentation fault # [ 69.365244] lkdtm: Performing direct entry BUG # [ 69.370719] ------------[ cut here ]------------ # [ 69.375956] kernel BUG at drivers/misc/lkdtm/bugs.c:76! # [ 69.381876] invalid opcode: 0000 [#1] SMP PTI # [ 69.386755] CPU: 1 PID: 699 Comm: cat Tainted: G W 5.10.147-cip18 #1 # [ 69.395321] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 69.401951] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 69.406341] Code: 89 ff e8 2e b5 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 20 db 92 02 # [ 69.427342] RSP: 0018:ffffaeb541267e60 EFLAGS: 00010286 # [ 69.433192] RAX: ffffffff910de9f0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 69.441175] RDX: 0000000000000000 RSI: ffff934b3bd1bf70 RDI: ffffffff91d9ae90 # [ 69.449157] RBP: ffffffff921dd3c0 R08: 0000000000000001 R09: 0000000000000001 # [ 69.457137] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 69.465120] R13: ffffaeb541267f10 R14: ffffaeb541267f10 R15: ffff934ac4045000 # [ 69.473103] FS: 00007f01379eb580(0000) GS:ffff934b3bd00000(0000) knlGS:0000000000000000 # [ 69.482153] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 69.488580] CR2: 00007f01377f4000 CR3: 0000000103b7a000 CR4: 00000000003506e0 # [ 69.496560] Call Trace: # [ 69.499301] direct_entry.cold+0x2c/0x38 # [ 69.503693] full_proxy_write+0x56/0x80 # [ 69.507990] vfs_write+0xea/0x3a0 # [ 69.511699] ksys_write+0x68/0xf0 # [ 69.515412] do_syscall_64+0x33/0x40 # [ 69.519412] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 69.525066] RIP: 0033:0x7f01379018f3 # [ 69.529064] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 69.550070] RSP: 002b:00007fff108df778 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 69.558542] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f01379018f3 # [ 69.566523] RDX: 0000000000000004 RSI: 00007f01377f4000 RDI: 0000000000000001 # [ 69.574507] RBP: 00007f01377f4000 R08: 00007f01377f3010[ 69.991783] lkdtm: Performing direct entry WARNING [ 69.998578] ------------[ cut here ]------------ R09: 0000000000000000 # [ 69.582488] R10: fffffffffffffbc5 R[ 70.003784] WARNING: CPU: 0 PID: 735 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x13/0x20 11: 0000000000000246 R12: 0000000000000001 # [ 69.590468] R13[ 70.019427] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify : 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 70.041647] CPU: 0 PID: 735 Comm: cat Tainted: G D W 5.10.147-cip18 #1 [ 70.056449] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 70.063097] RIP: 0010:lkdtm_WARNING+0x13/0x20 [ 70.067994] Code: c0 f4 ff ff ff eb c9 0f 1f 44 00 00 0f 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 20 db 92 02 01 75 05 c3 cc cc cc cc <0f> 0b c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 01 db [ 70.089074] RSP: 0018:ffffaeb5412c7e60 EFLAGS: 00010202 [ 70.094980] RAX: ffffffff910dea00 RBX: 0000000000000002 RCX: 0000000000000000 [ 70.102985] RDX: 0000000000000000 RSI: ffff934b3bc1bf70 RDI: ffffffff91d9aea0 [ 70.110983] RBP: ffffffff92181ee7 R08: 0000000000000000 R09: 0000000000000000 [ 70.118983] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000008 [ 70.126991] R13: ffffaeb5412c7f10 R14: ffffaeb5412c7f10 R15: ffff934ac3fa2000 [ 70.134994] FS: 00007fc3fe651580(0000) GS:ffff934b3bc00000(0000) knlGS:0000000000000000 [ 70.144064] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 70.150513] CR2: 00007fc3fe45a000 CR3: 0000000103b4c000 CR4: 00000000003506f0 [ 70.158517] Call Trace: [ 70.161285] direct_entry.cold+0x2c/0x38 [ 70.165704] full_proxy_write+0x56/0x80 [ 70.170023] vfs_write+0xea/0x3a0 # [ 69.598462] Modules linked in: fuse ip_tables cros_ec_light[ 70.173758] ksys_write+0x68/0xf0 [ 70.183702] do_syscall_64+0x33/0x40 [ 70.187728] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 70.193405] RIP: 0033:0x7fc3fe5678f3 [ 70.197415] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 70.218435] RSP: 002b:00007ffe6f09a898 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 70.226929] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007fc3fe5678f3 [ 70.234927] RDX: 0000000000000008 RSI: 00007fc3fe45a000 RDI: 0000000000000001 [ 70.242929] RBP: 00007fc3fe45a000 R08: 00007fc3fe459010 R09: 0000000000000000 [ 70.250925] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 70.258925] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 70.266940] irq event stamp: 0 [ 70.270374] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 70.277410] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 70.286581] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 bar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_t[ 70.295752] softirqs last disabled at (0): [<0000000000000000>] 0x0 hermal cros_ec_dev cros_usbpd_notify # [ 69.614571] ---[ end [ 70.308998] ---[ end trace 42bc2b033115ef46 ]--- trace 42bc2b033115ef45 ]--- # [ 69.619903] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 69.624340] Code: 89 ff e8 2e b5 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 20 db 92 02 # [ 69.645373] RSP: 0018:ffffaeb541267e60 EFLAGS: 00010286 # [ 69.651285] RAX: ffffffff910de9f0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 69.659551] RDX: 0000000000000000 RSI: ffff934b3bd1bf70 RDI: ffffffff91d9ae90 # [ 69.667604] RBP: ffffffff921dd3c0 R08: 0000000000000001 R09: 0000000000000001 # [ 69.676002] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 69.684306] R13: ffffaeb541267f10 R14: ffffaeb541267f10 R15: ffff934ac4045000 # [ 69.692619] FS: 00007f01379eb580(0000) GS:ffff934b3bd00000(0000) knlGS:0000000000000000 # [ 69.701901] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 69.708560] CR2: 00007f01377f4000 CR3: 0000000103b7a000 CR4: 00000000003506e0 # BUG: saw 'kernel BUG at': ok ok 2 selftests: lkdtm: BUG.sh # selftests: lkdtm: WARNING.sh # [ 69.991783] lkdtm: Performing direct entry WARNING # [ 69.998578] ------------[ cut here ]------------ # [ 70.003784] WARNING: CPU: 0 PID: 735 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x13/0x20 # [ 70.019427] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 70.041647] CPU: 0 PID: 735 Comm: cat Tainted: G D W 5.10.147-cip18 #1 # [ 70.056449] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 70.063097] RIP: 0010:lkdtm_WARNING+0x13/0x20 # [ 70.067994] Code: c0 f4 ff ff ff eb c9 0f 1f 44 00 00 0f 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 20 db 92 02 01 75 05 c3 cc cc cc cc <0f> 0b c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 01 db # [ 70.089074] RSP: 0018:ffffaeb5412c7e60 EFLAGS: 00010202 # [ 70.094980] RAX: ffffffff910dea00 RBX: 0000000000000002 RCX: 0000000000000000 # [ 70.102985] RDX: 0000000000000000 RSI: ffff934b3bc1bf70 RDI: ffffffff91d9aea0 # [ 70.110983] RBP: ffffffff92181ee7 R08: 0000000000000000 R09: 0000000000000000 # [ 70.118983] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000008 # [ 70.126991] R13: ffffaeb5412c7f10 R14: ffffaeb5412c7f10 R15: ffff934ac3fa2000 # [ 70.134994] FS: 00007fc3fe651580(0000) GS:ffff934b3bc00000(0000) knlGS:0000000000000000 # [ 70.144064] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 70.150513] CR2: 00007fc3fe45a000 CR3: 0000000103b4c000 CR4: 00000000003506f0 # [ 70.158517] Call Trace: # [ [ 70.580927] lkdtm: Performing direct entry WARNING_MESSAGE [ 70.587884] ------------[ cut here ]------------ [ 70.593068] Warning message trigger count: 2 70.161285] direct_entry.cold+0x2c/0x38 # [ 70.165704] ful[ 70.597947] WARNING: CPU: 0 PID: 770 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30 [ 70.614323] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 70.630340] CPU: 0 PID: 770 Comm: cat Tainted: G D W 5.10.147-cip18 #1 [ 70.638981] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 70.645674] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30 [ 70.651349] Code: cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 01 db 92 02 48 c7 c7 48 24 18 92 8d 70 01 89 35 f1 da 92 02 e8 cb 2d 63 00 <0f> 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 c7 [ 70.672374] RSP: 0018:ffffaeb54134fe60 EFLAGS: 00010286 [ 70.678242] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 [ 70.686238] RDX: ffff934b3bc2c660 RSI: ffff934b3bc1bf70 RDI: ffff934b3bc1bf70 [ 70.694231] RBP: ffffffff92181eef R08: 0000000000000000 R09: 0000000000000000 [ 70.702233] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010 [ 70.710236] R13: ffffaeb54134ff10 R14: ffffaeb54134ff10 R15: ffff934ac2a45000 [ 70.718240] FS: 00007f7f8ab66580(0000) GS:ffff934b3bc00000(0000) knlGS:0000000000000000 [ 70.727314] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 70.733761] CR2: 00007f7f8a96f000 CR3: 0000000103bfc000 CR4: 00000000003506f0 [ 70.741763] Call Trace: [ 70.744531] direct_entry.cold+0x2c/0x38 [ 70.748950] full_proxy_write+0x56/0x80 [ 70.753272] vfs_write+0xea/0x3a0 [ 70.757007] ksys_write+0x68/0xf0 [ 70.760733] do_syscall_64+0x33/0x40 l_proxy_write+0x56/0x80 # [ 70.170023] vfs_write+0xea/0x3a0[ 70.764749] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 70.776650] RIP: 0033:0x7f7f8aa7c8f3 [ 70.780672] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 70.801699] RSP: 002b:00007ffe652ff3d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 70.810191] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007f7f8aa7c8f3 [ 70.818191] RDX: 0000000000000010 RSI: 00007f7f8a96f000 RDI: 0000000000000001 [ 70.826185] RBP: 00007f7f8a96f000 R08: 00007f7f8a96e010 R09: 0000000000000000 [ 70.834187] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 70.842192] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 70.850208] irq event stamp: 0 [ 70.853649] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 70.860687] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 70.173758] ksys_write+0x68/0xf0 # [ 70.183702] do_sy[ 70.869851] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 scall_64+0x33/0x40 # [ 70.187728] entry_SYSCALL_64_after_hwf[ 70.885219] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 70.898454] ---[ end trace 42bc2b033115ef47 ]--- rame+0x61/0xc6 # [ 70.193405] RIP: 0033:0x7fc3fe5678f3 # [ 70.197415] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 70.218435] RSP: 002b:00007ffe6f09a898 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 70.226929] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007fc3fe5678f3 # [ 70.234927] RDX: 0000000000000008 RSI: 00007fc3fe45a000 RDI: 0000000000000001 # [ 70.242929] RBP: 00007fc3fe45a000 R08: 00007fc3fe459010 R09: 0000000000000000 # [ 70.250925] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 70.258925] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 70.266940] irq event stamp: 0 # [ 70.270374] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 70.277410] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 70.286581] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 70.295752] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 70.308998] ---[ end trace 42bc2b033115ef46 ]--- # WARNING: saw 'WARNING:': ok ok 3 selftests: lkdtm: WARNING.sh # selftests: lkdtm: WARNING_MESSAGE.sh # [ 70.580927] lkdtm: Performing direct entry WARNING_MESSAGE # [ 70.587884] ------------[ cut here ]------------ # [ 70.593068] Warning message trigger count: 2 # [ 70.597947] WARNING: CPU: 0 PID: 770 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 70.614323] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 70.630340] CPU: 0 PID: 770 Comm: cat Tainted: G D W 5.10.147-cip18 #1 # [ 70.638981] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 70.645674] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 70.651349] Code: cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 01 db 92 02 48 c7 c7 48 24 18 92 8d 70 01 89 35 f1 da 92 02 e8 cb 2d 63 00 <0f> 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 c7 # [ 70.672374] RSP: 0018:ffffaeb54134fe60 EFLAGS: 00010286 # [ 70.678242] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 # [ 70.686238] RDX: ffff934b3bc2c660 RSI: ffff934b3bc1bf70 RDI: ffff934b3bc1bf70 # [ 70.694231] RBP: ffffffff92181eef R08: 0000000000000000 R09: 0000000000000000 # [ 70.702233] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010 # [ 70.710236] R13[ 71.153348] lkdtm: Performing direct entry EXCEPTION [ 71.164281] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 71.172073] #PF: supervisor write access in kernel mode [ 71.177915] #PF: error_code(0x0002) - not-present page [ 71.183656] PGD 0 P4D 0 [ 71.186494] Oops: 0002 [#2] SMP PTI [ 71.190397] CPU: 0 PID: 802 Comm: cat Tainted: G D W 5.10.147-cip18 #1 [ 71.198957] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 71.205584] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20 [ 71.210555] Code: 48 c7 c7 48 24 18 92 8d 70 01 89 35 f1 da 92 02 e8 cb 2d 63 00 0f 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 04 25 00 00 00 00 00 00 00 00 c3 cc cc cc cc 66 66 2e 0f 1f 84 [ 71.231554] RSP: 0018:ffffaeb5413b7e60 EFLAGS: 00010286 [ 71.237401] RAX: ffffffff910dea50 RBX: 0000000000000004 RCX: 0000000000000000 [ 71.245381] RDX: 0000000000000000 RSI: ffff934b3bc1bf70 RDI: ffffffff91d9aec0 [ 71.253359] RBP: ffffffff920b7367 R08: 0000000000000000 R09: 0000000000000000 [ 71.261339] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a [ 71.269320] R13: ffffaeb5413b7f10 R14: ffffaeb5413b7f10 R15: ffff934ac4e8a000 [ 71.277301] FS: 00007f5a48551580(0000) GS:ffff934b3bc00000(0000) knlGS:0000000000000000 [ 71.286351] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 71.292775] CR2: 0000000000000000 CR3: 0000000104ed6000 CR4: 00000000003506f0 [ 71.300756] Call Trace: [ 71.303500] direct_entry.cold+0x2c/0x38 [ 71.307895] full_proxy_write+0x56/0x80 [ 71.312191] vfs_write+0xea/0x3a0 [ 71.315899] ksys_write+0x68/0xf0 [ 71.319600] do_syscall_64+0x33/0x40 [ 71.323603] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 71.329256] RIP: 0033:0x7f5a484678f3 [ 71.333246] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 71.354237] RSP: 002b:00007ffcd4321598 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 71.362699] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f5a484678f3 [ 71.370679] RDX: 000000000000000a RSI: 00007f5a4835a000 RDI: 0000000000000001 [ 71.378659] RBP: 00007f5a4835a000 R08: 00007f5a48359010 R09: 0000000000000000 [ 71.386639] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 71.394617] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 71.402606] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 71.418588] CR2: 0000000000000000 [ 71.422297] ---[ end trace 42bc2b033115ef48 ]--- [ 71.427454] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 71.431840] Code: 89 ff e8 2e b5 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 20 db 92 02 [ 71.452846] RSP: 0018:ffffaeb541267e60 EFLAGS: 00010286 [ 71.458689] RAX: ffffffff910de9f0 RBX: 0000000000000001 RCX: 0000000000000000 [ 71.466671] RDX: 0000000000000000 RSI: ffff934b3bd1bf70 RDI: ffffffff91d9ae90 [ 71.474654] RBP: ffffffff921dd3c0 R08: 0000000000000001 R09: 0000000000000001 [ 71.482634] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 71.490615] R13: ffffaeb541267f10 R14: ffffaeb541267f10 R15: ffff934ac4045000 [ 71.498597] FS: 00007f5a48551580(0000) GS:ffff934b3bc00000(0000) knlGS:0000000000000000 [ 71.507645] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 71.514066] CR2: 0000000000000000 CR3: 0000000104ed6000 CR4: 00000000003506f0 [ 71.522047] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 71.531968] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 802, name: cat [ 71.540335] INFO: lockdep is turned off. [ 71.544716] irq event stamp: 0 [ 71.548130] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 71.555137] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 71.564284] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 71.573426] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 71.580435] CPU: 0 PID: 802 Comm: cat Tainted: G D W 5.10.147-cip18 #1 [ 71.588995] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 71.595613] Call Trace: [ 71.598353] dump_stack+0x77/0x9b [ 71.602064] ___might_sleep.cold+0xa6/0xb6 [ 71.606649] exit_signals+0x1c/0x2e0 [ 71.610648] do_exit+0xd5/0xb00 [ 71.614163] ? ksys_write+0x68/0xf0 [ 71.618066] rewind_stack_do_exit+0x17/0x20 [ 71.622746] RIP: 0033:0x7f5a484678f3 [ 71.626743] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 71.647741] RSP: 002b:00007ffcd4321598 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 71.656202] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f5a484678f3 [ 71.664178] RDX: 000000000000000a RSI: 00007f5a4835a000 RDI: 0000000000000001 [ 71.672160] RBP: 00007f5a4835a000 R08: 00007f5a48359010 R09: 0000000000000000 [ 71.680140] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 71.688117] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 : ffffaeb54134ff10 R14: ffffaeb54134ff10 R15: ffff934ac2a45000 # [ 70.718240] FS: 00007f7f8ab66580(0000) GS:ffff934b3bc00000(0000) knlGS:0000000000000000 # [ 70.727314] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 70.733761] CR2: 00007f7f8a96f000 CR3: 0000000103bfc000 CR4: 00000000003506f0 # [ 70.741763] Call Trace: # [ 70.744531] direct_entry.cold+0x2c/0x38 # [ 70.748950] full_proxy_write+0x56/0x80 # [ 70.753272] vfs_write+0xea/0x3a0 # [ 70.757007] ksys_write+0x68/0xf0 # [ 70.760733] do_syscall_64+0x33/0x40 # [ 70.764749] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 70.776650] RIP: 0033:0x7f7f8aa7c8f3 # [ 70.780672] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 70.801699] RSP: 002b:00007ffe652ff3d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 70.810191] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007f7f8aa7c8f3 # [ 70.818191] RDX: 0000000000000010 RSI: 00007f7f8a96f000 RDI: 0000000000000001 # [ 70.826185] RBP: 00007f7f8a96f000 R08: 00007f7f8a96e010 R09: 0000000000000000 # [ 70.834187] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 70.842192] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 70.850208] irq event stamp: 0 # [ 70.853649] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 70.860687] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 70.869851] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 70.885219] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 70.898454] ---[ end trace 42bc2b033115ef47 ]--- # WARNING_MESSAGE: saw 'message trigger': ok ok 4 selftests: lkdtm: WARNING_MESSAGE.sh # selftests: lkdtm: EXCEPTION.sh # Killed # [ 71.153348] lkdtm: Performing direct entry EXCEPTION # [ 71.164281] BUG: kernel NULL pointer dereference, address: 0000000000000000 # [ 71.172073] #PF: supervisor write access in kernel mode # [ 71.177915] #PF: error_code(0x0002) - not-present page # [ 71.183656] PGD 0 P4D 0 # [ 71.186494] Oops: 0002 [#2] SMP PTI # [ 71.190397] CPU: 0 PID: 802 Comm: cat Tainted: G D W 5.10.147-cip18 #1 # [ 71.198957] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 71.205584] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20 # [ 71.210555] Code: 48 c7 c7 48 24 18 92 8d 70 01 89 35 f1 da 92 02 e8 cb 2d 63 00 0f 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 04 25 00 00 00 00 00 00 00 00 c3 cc cc cc cc 66 66 2e 0f 1f 84 # [ 71.231554] RSP: 0018:ffffaeb5413b7e60 EFLAGS: 00010286 # [ 71.237401] RAX: ffffffff910dea50 RBX: 0000000000000004 RCX: 0000000000000000 # [ 71.245381] RDX: 0000000000000000 RSI: ffff934b3bc1bf70 RDI: ffffffff91d9aec0 # [ 71.253359] RBP: ffffffff920b7367 R08: 0000000000000000 R09: 0000000000000000 # [ 71.261339] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 71.269320] R13: ffffaeb5413b7f10 R14: ffffaeb5413b7f10 R15: ffff934ac4e8a000 # [ 71.277301] FS: 00007f5a48551580(0000) GS:ffff934b3bc00000(0000) knlGS:0000000000000000 # [ 71.286351] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 71.292775] CR2: 0000000000000000 CR3: 0000000104ed6000 CR4: 00000000003506f0 # [ 71.300756] Call Trace: # [ 71.303500] direct_entry.cold+0x2c/0x38 # [ 71.307895] full_proxy_write+0x56/0x80 # [ 71.312191] vfs_write+0xea/0x3a0 # [ 71.315899] ksys_write+0x68/0xf0 # [ 71.319600] do_syscall_64+0x33/0x40 # [ 71.323603] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 71.329256] RIP: 0033:0x7f5a484678f3 # [ 71.333246] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 71.354237] RSP: 002b:00007ffcd4321598 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 71.362699] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f5a484678f3 # [ 71.370679] RDX: 000000000000000a RSI: 00007f5a4835a000 RDI: 0000000000000001 # [ 71.378659] RBP: 00007f5a4835a000 R08: 00007f5a48359010 R09: 0000000000000000 # [ 71.386639] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 71.394617] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 71.402606] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 71.418588] CR2: 0000000000000000 # [ 71.422297] ---[ end trace 42bc2b033115ef48 ]--- # [ 71.427454] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 71.431840] Code: 89 ff e8 2e b5 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 20 db 92 02 # [ 71.452846] RSP: 0018:ffffaeb541267e60 EFLAGS: 00010286 # [ 71.458689] RAX: ffffffff910de9f0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 71.466671] RDX: 0000000000000000 RSI: ffff934b3bd1bf70 RDI: ffffffff91d9ae90 # [ 71.474654] RBP: ffffffff921dd3c0 R08: 0000000000000001 R09: 0000000000000001 # [ 71.482634] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 71.490615] R13: ffffaeb541267f10 R14: ffffaeb541267f10 R15: ffff934ac4045000 # [ 71.498597] FS: 00007f5a48551580(0000) GS:ffff934b3bc00000(0000) knlGS:0000000000000000 # [ 71.507645] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 71.514066] CR2: 0000000000000000 CR3: 0000000104ed6000 CR4: 00000000003506f0 # [ 71.522047] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 71.531968] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 802, name: cat # [ 71.540335] INFO: lockdep is turned off. # [ 71.544716] irq event stamp: 0 # [ 71.548130] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 71.555137] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 71.564284] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 71.573426] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 71.580435] CPU: 0 PID: 802 Comm: cat Tainted: G D W 5.10.147-cip18 #1 # [ 71.588995] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 71.595613] Call Trace: # [ 71.598353] dump_stack+0x77/0x9b # [ 71.602064] ___might_sleep.cold+0xa6/0xb6 # [ 71.606649] exit_signals+0x1c/0x2e0 # [ 71.610648] do_exit+0xd5/0xb00 # [ 71.614163] ? ksys_write+0x68/0xf0 # [ 71.618066] rewind_stack_do_exit+0x17/0x20 # [ 71.622746] RIP: 0033:0x7f5a484678f3 # [ 71.626743] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 71.647741] RSP: 002b:00007ffcd4321598 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 71.656202] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f5a484678f3 # [ 71.664178] RDX: 000000000000000a RSI: 00007f5a4835a000 RDI: 0000000000000001 # [ 71.672160] RBP: 00007f5a4835a000 R08: 00007f5a48359010 R09: 0000000000000000 # [ 71.680140] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 71.688117] 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 [ 72.567919] lkdtm: Performing direct entry CORRUPT_LIST_ADD [ 72.574184] lkdtm: attempting good list addition [ 72.579372] lkdtm: attempting corrupted list addition [ 72.585054] lkdtm: list_add() corruption not detected! # [ 72.567919] lkdtm: Performing direct entry CORRUPT_LIST_ADD # [ 72.574184] lkdtm: attempting good list addition # [ 72.579372] lkdtm: attempting corrupted list addition # [ 72.585054] 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 [ 72.839629] lkdtm: Performing direct entry CORRUPT_LIST_DEL [ 72.845925] lkdtm: attempting good list removal [ 72.851057] lkdtm: attempting corrupted list removal [ 72.856659] lkdtm: list_del() corruption not detected! # [ 72.839629] lkdtm: Performing direct entry CORRUPT_LIST_DEL # [ 72.845925] lkdtm: attempting good list removal # [ 72.851057] lkdtm: attempting corrupted list removal # [ 72.856659] 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 [ 73.114860] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING [ 73.121926] lkdtm: attempting bad read from page below current stack [ 73.129093] BUG: stack guard page was hit at 00000000090e1063 (stack is 00000000c42b585c..000000004e6390ab) [ 73.139999] kernel stack overflow (page fault): 0000 [#3] SMP PTI [ 73.146820] CPU: 0 PID: 1027 Comm: cat Tainted: G D W 5.10.147-cip18 #1 [ 73.155482] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 73.162114] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a [ 73.168644] Code: cc cc cc 0f 1f 44 00 00 53 48 c7 c7 e8 27 18 92 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 cf a0 fd ff 48 c7 c7 28 28 18 92 <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 b5 a0 fd ff 0f 1f 44 [ 73.189650] RSP: 0018:ffffaeb5416efe50 EFLAGS: 00010246 [ 73.195497] RAX: 0000000000000038 RBX: ffffaeb5416ec000 RCX: 0000000000000000 [ 73.203479] RDX: 0000000000000000 RSI: ffff934b3bc1bf70 RDI: ffffffff92182828 [ 73.211458] RBP: ffffffff92181f52 R08: 0000000000000000 R09: 0000000000000000 [ 73.219440] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019 [ 73.227422] R13: ffffaeb5416eff10 R14: ffffaeb5416eff10 R15: ffff934ac4b33000 [ 73.235402] FS: 00007fbe53696580(0000) GS:ffff934b3bc00000(0000) knlGS:0000000000000000 [ 73.244449] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 73.250875] CR2: ffffaeb5416ebfff CR3: 0000000104bb4000 CR4: 00000000003506f0 [ 73.258856] Call Trace: [ 73.261597] ? lkdtm_CORRUPT_LIST_DEL+0xe0/0xe0 [ 73.266671] direct_entry.cold+0x2c/0x38 [ 73.271061] full_proxy_write+0x56/0x80 [ 73.275357] vfs_write+0xea/0x3a0 [ 73.279067] ksys_write+0x68/0xf0 [ 73.282777] do_syscall_64+0x33/0x40 [ 73.286777] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 73.292429] RIP: 0033:0x7fbe535ac8f3 [ 73.296418] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 73.317423] RSP: 002b:00007ffc3ffdc5e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 73.325894] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007fbe535ac8f3 [ 73.333876] RDX: 0000000000000019 RSI: 00007fbe5349f000 RDI: 0000000000000001 [ 73.341858] RBP: 00007fbe5349f000 R08: 00007fbe5349e010 R09: 0000000000000000 [ 73.349837] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 73.357818] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 73.365812] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 73.381799] ---[ end trace 42bc2b033115ef49 ]--- [ 73.386968] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 73.391354] Code: 89 ff e8 2e b5 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 20 db 92 02 [ 73.412353] RSP: 0018:ffffaeb541267e60 EFLAGS: 00010286 [ 73.418197] RAX: ffffffff910de9f0 RBX: 0000000000000001 RCX: 0000000000000000 [ 73.426177] RDX: 0000000000000000 RSI: ffff934b3bd1bf70 RDI: ffffffff91d9ae90 [ 73.434158] RBP: ffffffff921dd3c0 R08: 0000000000000001 R09: 0000000000000001 [ 73.442139] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 73.450120] R13: ffffaeb541267f10 R14: ffffaeb541267f10 R15: ffff934ac4045000 [ 73.458103] FS: 00007fbe53696580(0000) GS:ffff934b3bc00000(0000) knlGS:0000000000000000 [ 73.467153] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 73.473580] CR2: ffffaeb5416ebfff CR3: 0000000104bb4000 CR4: 00000000003506f0 [ 73.481563] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 73.491489] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1027, name: cat [ 73.499955] INFO: lockdep is turned off. [ 73.504340] irq event stamp: 0 [ 73.507755] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 73.514767] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 73.523916] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 73.533065] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 73.540078] CPU: 0 PID: 1027 Comm: cat Tainted: G D W 5.10.147-cip18 #1 [ 73.548738] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 73.555358] Call Trace: [ 73.558099] dump_stack+0x77/0x9b [ 73.561810] ___might_sleep.cold+0xa6/0xb6 [ 73.566395] exit_signals+0x1c/0x2e0 [ 73.570395] do_exit+0xd5/0xb00 [ 73.573910] ? ksys_write+0x68/0xf0 [ 73.577815] rewind_stack_do_exit+0x17/0x20 [ 73.582493] RIP: 0033:0x7fbe535ac8f3 [ 73.586491] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 73.607496] RSP: 002b:00007ffc3ffdc5e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 73.615968] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007fbe535ac8f3 [ 73.623951] RDX: 0000000000000019 RSI: 00007fbe5349f000 RDI: 0000000000000001 [ 73.631934] RBP: 00007fbe5349f000 R08: 00007fbe5349e010 R09: 0000000000000000 [ 73.639916] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 73.647897] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # Segmentation fault # [ 73.114860] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING # [ 73.121926] lkdtm: attempting bad read from page below current stack # [ 73.129093] BUG: stack guard page was hit at 00000000090e1063 (stack is 00000000c42b585c..000000004e6390ab) # [ 73.139999] kernel stack overflow (page fault): 0000 [#3] SMP PTI # [ 73.146820] CPU: 0 PID: 1027 Comm: cat Tainted: G D W 5.10.147-cip18 #1 # [ 73.155482] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 73.162114] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a # [ 73.168644] Code: cc cc cc 0f 1f 44 00 00 53 48 c7 c7 e8 27 18 92 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 cf a0 fd ff 48 c7 c7 28 28 18 92 <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 b5 a0 fd ff 0f 1f 44 # [ 73.189650] RSP: 0018:ffffaeb5416efe50 EFLAGS: 00010246 # [ 73.195497] RAX: 0000000000000038 RBX: ffffaeb5416ec000 RCX: 0000000000000000 # [ 73.203479] RDX: 0000000000000000 RSI: ffff934b3bc1bf70 RDI: ffffffff92182828 # [ 73.211458] RBP: ffffffff92181f52 R08: 0000000000000000 R09: 0000000000000000 # [ 73.219440] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019 # [ 73.227422] R13: ffffaeb5416eff10 R14: ffffaeb5416eff10 R15: ffff934ac4b33000 # [ 73.235402] FS: 00007fbe53696580(0000) GS:ffff934b3bc00000(0000) knlGS:0000000000000000 # [ 73.244449] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 73.250875] CR2: ffffaeb5416ebfff CR3: 0000000104bb4000 CR4: 00000000003506f0 # [ 73.258856] Call Trace: # [ 73.261597] ? lkdtm_CORRUPT_LIST_DEL+0xe0/0xe0 # [ 73.266671] direct_entry.cold+0x2c/0x38 # [ 73.271061] full_proxy_write+0x56/0x80 # [ 73.275357] vfs_write+0xea/0x3a0 # [ 73.279067] ksys_write+0x68/0xf0 # [ 73.282777] do_syscall_64+0x33/0x40 # [ 73.286777] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 73.292429] RIP: 0033:0x7fbe535ac8f3 # [ 73.296418] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 73.317423] RSP: 002b:00007ffc3ffdc5e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 73.325894] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007fbe535ac8f3 # [ 73.333876] RDX: 0000000000000019 RSI: 00007fbe5349f000 RDI: 0000000000000001 # [ 73.341858] RBP: 00007fbe5349f000 R08: 00007fbe5349e010 R09: 0000000000000000 # [ 73.349837] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 73.357818] R13: 0000000000000001 R14: 0000000000020000 R15: [ 73.963901] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING [ 73.974181] lkdtm: attempting bad read from page above current stack [ 73.981340] BUG: stack guard page was hit at 00000000a4e668d6 (stack is 00000000619ec4d9..000000002fc3be76) [ 73.992232] kernel stack overflow (page fault): 0000 [#4] SMP PTI [ 73.999050] CPU: 0 PID: 1060 Comm: cat Tainted: G D W 5.10.147-cip18 #1 [ 74.007712] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 74.014341] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILING+0x27/0x3d [ 74.020968] Code: a0 fd ff 0f 1f 44 00 00 53 48 c7 c7 60 28 18 92 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 95 a0 fd ff 48 c7 c7 a0 28 18 92 <8a> 83 00 40 00 00 88 44 24 07 0f b6 74 24 07 5a 5b e9 78 a0 fd ff [ 74.041969] RSP: 0018:ffffaeb54174fe50 EFLAGS: 00010246 [ 74.047817] RAX: 0000000000000038 RBX: ffffaeb54174c000 RCX: 0000000000000000 [ 74.055797] RDX: 0000000000000000 RSI: ffff934b3bc1bf70 RDI: ffffffff921828a0 [ 74.063775] RBP: ffffffff92181f6b R08: 0000000000000000 R09: 0000000000000000 [ 74.071754] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001a [ 74.079734] R13: ffffaeb54174ff10 R14: ffffaeb54174ff10 R15: ffff934ac4ea7000 [ 74.087717] FS: 00007f38d853d580(0000) GS:ffff934b3bc00000(0000) knlGS:0000000000000000 [ 74.096768] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 74.103195] CR2: ffffaeb541750000 CR3: 0000000104ed6000 CR4: 00000000003506f0 [ 74.111175] Call Trace: [ 74.113917] ? lkdtm_STACK_GUARD_PAGE_LEADING+0x3a/0x3a [ 74.119763] direct_entry.cold+0x2c/0x38 [ 74.124154] full_proxy_write+0x56/0x80 [ 74.128448] vfs_write+0xea/0x3a0 [ 74.132159] ksys_write+0x68/0xf0 [ 74.135870] do_syscall_64+0x33/0x40 [ 74.139872] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 74.145524] RIP: 0033:0x7f38d84538f3 [ 74.149522] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 74.170525] RSP: 002b:00007ffc5c461108 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 74.178994] RAX: ffffffffffffffda RBX: 000000000000001a RCX: 00007f38d84538f3 [ 74.186975] RDX: 000000000000001a RSI: 00007f38d8346000 RDI: 0000000000000001 [ 74.194957] RBP: 00007f38d8346000 R08: 00007f38d8345010 R09: 0000000000000000 [ 74.202937] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 74.210919] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 0000000000020000 # [ 73.365812] Modules linked in: fuse ip_ta[ 74.218910] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 74.241115] ---[ end trace 42bc2b033115ef4a ]--- [ 74.246284] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 74.250671] Code: 89 ff e8 2e b5 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 20 db 92 02 [ 74.271673] RSP: 0018:ffffaeb541267e60 EFLAGS: 00010286 [ 74.277520] RAX: ffffffff910de9f0 RBX: 0000000000000001 RCX: 0000000000000000 [ 74.285500] RDX: 0000000000000000 RSI: ffff934b3bd1bf70 RDI: ffffffff91d9ae90 [ 74.293478] RBP: ffffffff921dd3c0 R08: 0000000000000001 R09: 0000000000000001 [ 74.301459] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 74.309440] R13: ffffaeb541267f10 R14: ffffaeb541267f10 R15: ffff934ac4045000 [ 74.317421] FS: 00007f38d853d580(0000) GS:ffff934b3bc00000(0000) knlGS:0000000000000000 [ 74.326471] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 74.332897] CR2: ffffaeb541750000 CR3: 0000000104ed6000 CR4: 00000000003506f0 bles cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 73.381799] ---[ end trace 42bc2b033115ef49 ]--- # [ 73.386968] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 73.391354] Code: 89 ff e8 2e b5 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 20 db 92 02 # [ 73.412353] RSP: 0018:ffffaeb541267e60 EFLAGS: 00010286 # [ 73.418197] RAX: ffffffff910de9f0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 73.426177] RDX: 0000000000000000 RSI: ffff934b3bd1bf70 RDI: ffffffff91d9ae90 # [ 73.434158] RBP: ffffffff921dd3c0 R08: 0000000000000001 R09: 0000000000000001 # [ 73.442139] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 73.450120] R13: ffffaeb541267f10 R14: ffffaeb541267f10 R15: ffff934ac4045000 # [ 73.458103] FS: 00007fbe53696580(0000) GS:ffff934b3bc00000(0000) knlGS:0000000000000000 # [ 73.467153] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 73.473580] CR2: ffffaeb5416ebfff CR3: 0000000104bb4000 CR4: 00000000003506f0 # [ 73.481563] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 73.491489] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1027, name: cat # [ 73.499955] INFO: lockdep is turned off. # [ 73.504340] irq event stamp: 0 # [ 73.507755] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 73.514767] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 73.523916] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 73.533065] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 73.540078] CPU: 0 PID: 1027 Comm: cat Tainted: G D W 5.10.147-cip18 #1 # [ 73.548738] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 73.555358] Call Trace: # [ 73.558099] dump_stack+0x77/0x9b # [ 73.561810] ___might_sleep.cold+0xa6/0xb6 # [ 73.566395] exit_signals+0x1c/0x2e0 # [ 73.570395] do_exit+0xd5/0xb00 # [ 73.573910] ? ksys_write+0x68/0xf0 # [ 73.577815] rewind_stack_do_exit+0x17/0x20 # [ 73.582493] RIP: 0033:0x7fbe535ac8f3 # [ 73.586491] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 73.607496] RSP: 002b:00007ffc3ffdc5e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 73.615968] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007fbe535ac8f3 # [ 73.623951] RDX: 0000000000000019 RSI: 00007fbe5349f000 RDI: 0000000000000001 # [ 73.631934] RBP: 00007fbe5349f000 R08: 00007fbe5349e010 R09: 0000000000000000 # [ 73.639916] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 73.647897] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # STACK_GUARD_PAGE_LEADING: saw 'call trace:': ok ok 12 selftests: lkdtm: STACK_GUARD_PAGE_LEADING.sh # selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh # Segmentation fault # [ 73.963901] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING # [ 73.974181] lkdtm: attempting bad read from page above current stack # [ 73.981340] BUG: stack guard page was hit at 00000000a4e668d6 (stack is 00000000619ec4d9..000000002fc3be76) # [ 73.992232] kernel stack overflow (page fault): 0000 [#4] SMP PTI[ 74.677495] lkdtm: Performing direct entry UNSET_SMEP [ 74.688669] lkdtm: trying to clear SMEP normally # [ 73.999050] CPU: 0 PID: 1060 Comm: cat Tainted: G D W[ 74.693876] ------------[ cut here ]------------ [ 74.705279] pinned CR4 bits changed: 0x100000!? [ 74.710380] WARNING: CPU: 0 PID: 1096 at arch/x86/kernel/cpu/common.c:392 native_write_cr4+0x45/0x60 [ 74.720618] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 74.736654] CPU: 0 PID: 1096 Comm: cat Tainted: G D W 5.10.147-cip18 #1 [ 74.745340] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 74.751975] RIP: 0010:native_write_cr4+0x45/0x60 [ 74.757162] Code: 39 c2 75 2d 48 85 f6 75 05 c3 cc cc cc cc 80 3d f5 8f e3 01 00 75 f2 48 c7 c7 a8 13 0c 92 c6 05 e5 8f e3 01 01 e8 a6 d0 e4 00 <0f> 0b c3 cc cc cc cc 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09 [ 74.778178] RSP: 0018:ffffaeb5417d7e48 EFLAGS: 00010286 [ 74.784042] RAX: 0000000000000000 RBX: 00000000002506f0 RCX: 0000000000000000 [ 74.792038] RDX: ffff934b3bc2c660 RSI: ffff934b3bc1bf70 RDI: ffff934b3bc1bf70 [ 74.800035] RBP: ffffffff92181f85 R08: 0000000000000000 R09: 0000000000000000 [ 74.808033] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b [ 74.816031] R13: ffffaeb5417d7f10 R14: ffffaeb5417d7f10 R15: ffff934ac3829000 [ 74.824033] FS: 00007f5fe1716580(0000) GS:ffff934b3bc00000(0000) knlGS:0000000000000000 [ 74.833101] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 74.839544] CR2: 00007f5fe151f000 CR3: 0000000104cd8000 CR4: 00000000003506f0 [ 74.847536] Call Trace: [ 74.850299] lkdtm_UNSET_SMEP.cold+0x1d/0x103 [ 74.855198] direct_entry.cold+0x2c/0x38 [ 74.859611] full_proxy_write+0x56/0x80 [ 74.863924] vfs_write+0xea/0x3a0 [ 74.867656] ksys_write+0x68/0xf0 [ 74.871377] do_syscall_64+0x33/0x40 [ 74.875401] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 74.881072] RIP: 0033:0x7f5fe162c8f3 [ 74.885089] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 74.906110] RSP: 002b:00007ffc902bbaa8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 74.914597] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f5fe162c8f3 [ 74.922598] RDX: 000000000000000b RSI: 00007f5fe151f000 RDI: 0000000000000001 5.10.147-cip18 #1 # [ 74.007712] Hardware name: Goog[ 74.930596] RBP: 00007f5fe151f000 R08: 00007f5fe151e010 R09: 0000000000000000 [ 74.944800] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 74.952799] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 74.960814] irq event stamp: 0 le Coral/Coral, BIOS 09/29/2020 # [ 74.014341] RIP: 0010:lkd[ 74.964243] hardirqs last enabled at (0): [<0000000000000000>] 0x0 tm_STACK_GUARD_PAGE_TRAILING+0x27/0x3d # [ 74.020968] Code: a[ 74.977473] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 0 fd ff 0f 1f 44 00 00 53 48 c7 c7 60 28 18 92 50 65 48 8b 04 25[ 74.992838] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 75.008217] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 75.015238] ---[ end trace 42bc2b033115ef4b ]--- [ 75.020419] lkdtm: ok: SMEP did not get cleared [ 75.025501] lkdtm: trying to clear SMEP with call gadget [ 75.031457] lkdtm: ok: SMEP removal was reverted 40 b0 01 00 48 8b 58 18 e8 95 a0 fd ff 48 c7 c7 a0 28 18 92 <8a> 83 00 40 00 00 88 44 24 07 0f b6 74 24 07 5a 5b e9 78 a0 fd ff # [ 74.041969] RSP: 0018:ffffaeb54174fe50 EFLAGS: 00010246 # [ 74.047817] RAX: 0000000000000038 RBX: ffffaeb54174c000 RCX: 0000000000000000 # [ 74.055797] RDX: 0000000000000000 RSI: ffff934b3bc1bf70 RDI: ffffffff921828a0 # [ 74.063775] RBP: ffffffff92181f6b R08: 0000000000000000 R09: 0000000000000000 # [ 74.071754] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001a # [ 74.079734] R13: ffffaeb54174ff10 R14: ffffaeb54174ff10 R15: ffff934ac4ea7000 # [ 74.087717] FS: 00007f38d853d580(0000) GS:ffff934b3bc00000(0000) knlGS:0000000000000000 # [ 74.096768] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 74.103195] CR2: ffffaeb541750000 CR3: 0000000104ed6000 CR4: 00000000003506f0 # [ 74.111175] Call Trace: # [ 74.113917] ? lkdtm_STACK_GUARD_PAGE_LEADING+0x3a/0x3a # [ 74.119763] direct_entry.cold+0x2c/0x38 # [ 74.124154] full_proxy_write+0x56/0x80 # [ 74.128448] vfs_write+0xea/0x3a0 # [ 74.132159] ksys_write+0x68/0xf0 # [ 74.135870] do_syscall_64+0x33/0x40 # [ 74.139872] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 74.145524] RIP: 0033:0x7f38d84538f3 # [ 74.149522] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 74.170525] RSP: 002b:00007ffc5c461108 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 74.178994] RAX: ffffffffffffffda RBX: 000000000000001a RCX: 00007f38d84538f3 # [ 74.186975] RDX: 000000000000001a RSI: 00007f38d8346000 RDI: 0000000000000001 # [ 74.194957] RBP: 00007f38d8346000 R08: 00007f38d8345010 R09: 0000000000000000 # [ 74.202937] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 74.210919] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 74.218910] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 74.241115] ---[ end trace 42bc2b033115ef4a ]--- # [ 74.246284] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 74.250671] Code: 89 ff e8 2e b5 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 20 db 92 02 # [ 74.271673] RSP: 0018:ffffaeb541267e60 EFLAGS: 00010286 # [ 74.277520] RAX: ffffffff910de9f0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 74.285500] RDX: 0000000000000000 RSI: ffff934b3bd1bf70 RDI: ffffffff91d9ae90 # [ 74.293478] RBP: ffffffff921dd3c0 [ 75.298811] lkdtm: Performing direct entry DOUBLE_FAULT [ 75.310018] lkdtm: XFAIL: this test is ia32-only R08: 0000000000000001 R09: 0000000000000001 # [ 74.301459] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 74.309440] R13: ffffaeb541267f10 R14: ffffaeb541267f10 R15: ffff934ac4045000 # [ 74.317421] FS: 00007f38d853d580(0000) GS:ffff934b3bc00000(0000) knlGS:0000000000000000 # [ 74.326471] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 74.332897] CR2: ffffaeb541750000 CR3: 0000000104ed6000 CR4: 00000000003506f0 # STACK_GUARD_PAGE_TRAILING: saw 'call trace:': ok ok 13 selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh # selftests: lkdtm: UNSET_SMEP.sh # [ 74.677495] lkdtm: Performing direct entry UNSET_SMEP # [ 74.688669] lkdtm: trying to clear SMEP normally # [ 74.693876] ------------[ cut here ]------------ # [ 74.705279] pinned CR4 bits changed: 0x100000!? # [ 74.710380] WARNING: CPU: 0 PID: 1096 at arch/x86/kernel/cpu/common.c:392 native_write_cr4+0x45/0x60 # [ 74.720618] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 74.736654] CPU: 0 PID: 1096 Comm: cat Tainted: G D W 5.10.147-cip18 #1 # [ 74.745340] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 74.751975] RIP: 0010:native_write_cr4+0x45/0x60 # [ 74.757162] Code: 39 c2 75 2d 48 85 f6 75 05 c3 cc cc cc cc 80 3d f5 8f e3 01 00 75 f2 48 c7 c7 a8 13 0c 92 c6 05 e5 8f e3 01 01 e8 a6 d0 e4 00 <0f> 0b c3 cc cc cc cc 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09 # [ 74.778178] RSP: 0018:ffffaeb5417d7e48 EFLAGS: 00010286 # [ 74.784042] RAX: 0000000000000000 RBX: 00000000002506f0 RCX: 0000000000000000 # [ 74.792038] RDX: ffff934b3bc2c660 RSI: ffff934b3bc1bf70 RDI: ffff934b3bc1bf70 # [ 74.800035] RBP: ffffffff92181f85 R08: 0000000000000000 R09: 0000000000000000 # [ 74.808033] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b # [ 74.816031] R13: ffffaeb5417d7f10 R14: ffffaeb5417d7f10 R15: ffff934ac3829000 # [ 74.824033] FS: 00007f5fe1716580(0000) GS:ffff934b3bc00000(0000) knlGS:0000000000000000 # [ 74.833101] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 74.839544] CR2: 00007f5fe151f000 CR3: 0000000104cd8000 CR4: 00000000003506f0 # [ 74.847536] Call Trace: # [ 74.850299] lkdtm_UNSET_SMEP.cold+0x1d/0x103 # [ 74.855198] direct_entry.cold+0x2c/0x38 # [ 74.859611] full_proxy_write+0x56/0x80 # [ 74.863924] vfs_write+0xea/0x3a0 # [ 74.867656] ksys_write+0x68/0xf0 # [ 74.871377] do_syscall_64+0x33/0x40 # [ 74.875401] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 74.881072] RIP: 0033:0x7f5fe162c8f3 # [ 74.885089] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 0[ 75.581745] lkdtm: Performing direct entry CORRUPT_PAC [ 75.588417] lkdtm: XFAIL: this test is arm64-only 0 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 74.906110] RSP: 002b:00007ffc902bbaa8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 74.914597] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f5fe162c8f3 # [ 74.922598] RDX: 000000000000000b RSI: 00007f5fe151f000 RDI: 0000000000000001 # [ 74.930596] RBP: 00007f5fe151f000 R08: 00007f5fe151e010 R09: 0000000000000000 # [ 74.944800] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 74.952799] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 74.960814] irq event stamp: 0 # [ 74.964243] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 74.977473] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 74.992838] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 75.008217] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 75.015238] ---[ end trace 42bc2b033115ef4b ]--- # [ 75.020419] lkdtm: ok: SMEP did not get cleared # [ 75.025501] lkdtm: trying to clear SMEP with call gadget # [ 75.031457] 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 # [ 75.298811] lkdtm: Performing direct entry DOUBLE_FAULT # [ 75.310018] lkdtm: XFAIL: this test is ia32-only # DOUBLE_FAULT: saw 'XFAIL': [SKIP] ok 15 selftests: lkdtm: DOUBLE_FAULT.sh # SKIP # selftests: lkdtm: CORRUPT_PAC.sh # [ 75.581745] lkdtm: Performing direct entry CORRUPT_PAC # [ 75.588417] 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 [ 75.849638] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE [ 75.856923] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS # [ 75.849638] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE # [ 75.856923] 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 [ 76.391821] lkdtm: Performing direct entry READ_AFTER_FREE [ 76.397998] lkdtm: Value in memory before free: 12345678 [ 76.403965] lkdtm: Attempting bad read from freed memory [ 76.409937] lkdtm: Memory was not poisoned # [ 76.391821] lkdtm: Performing direct entry READ_AFTER_FREE # [ 76.397998] lkdtm: Value in memory before free: 12345678 # [ 76.403965] lkdtm: Attempting bad read from freed memory # [ 76.409937] 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 [ 76.800324] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE [ 76.807103] lkdtm: Value in memory before free: 12345678 [ 76.813070] lkdtm: Attempting to read from freed memory [ 76.818952] lkdtm: Buddy page was not poisoned # [ 76.800324] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE # [ 76.807103] lkdtm: Value in memory before free: 12345678 # [ 76.813070] lkdtm: Attempting to read from freed memory # [ 76.818952] 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 [ 77.084937] lkdtm: Performing direct entry SLAB_FREE_DOUBLE [ 77.091218] lkdtm: Attempting double slab free ... # [ 77.084937] lkdtm: Performing direct entry SLAB_FREE_DOUBLE # [ 77.091218] 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 [ 77.355841] lkdtm: Performing direct entry SLAB_FREE_CROSS [ 77.362026] lkdtm: Attempting cross-cache slab free ... # [ 77.355841] lkdtm: Performing direct entry SLAB_FREE_CROSS # [ 77.362026] 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 [ 77.623638] lkdtm: Performing direct entry SLAB_FREE_PAGE [ 77.629745] lkdtm: Attempting non-Slab slab free ... # [ 77.623638] lkdtm: Performing direct entry SLAB_FREE_PAGE # [ 77.629745] 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 [ 78.426900] lkdtm: Performing direct entry EXEC_DATA [ 78.432492] lkdtm: attempting ok execution at ffffffff910dedc0 [ 78.439035] lkdtm: attempting bad execution at ffffffff93a0c560 [ 78.445700] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 78.454072] BUG: unable to handle page fault for address: ffffffff93a0c560 [ 78.461764] #PF: supervisor instruction fetch in kernel mode [ 78.468092] #PF: error_code(0x0011) - permissions violation [ 78.474321] PGD 2e229067 P4D 2e229067 PUD 2e22a063 PMD 800000002f8000e3 [ 78.481827] Oops: 0011 [#5] SMP PTI [ 78.485727] CPU: 1 PID: 1603 Comm: cat Tainted: G D W 5.10.147-cip18 #1 [ 78.494384] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 78.501014] RIP: 0010:data_area+0x0/0x40 [ 78.505403] Code: ff ff 00 2c 17 c4 4a 93 ff ff 00 2b 17 c4 4a 93 ff ff 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 [ 78.526398] RSP: 0018:ffffaeb541f0fe48 EFLAGS: 00010246 [ 78.532240] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 78.540216] RDX: 0000000000000000 RSI: ffff934b3bd1bf70 RDI: ffff934b3bd1bf70 [ 78.548192] RBP: ffffffff93a0c560 R08: 0000000000000000 R09: 0000000000000000 [ 78.556174] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a [ 78.564154] R13: ffffaeb541f0ff10 R14: ffffaeb541f0ff10 R15: ffff934ac382a000 [ 78.572134] FS: 00007febb1801580(0000) GS:ffff934b3bd00000(0000) knlGS:0000000000000000 [ 78.581187] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 78.587614] CR2: ffffffff93a0c560 CR3: 0000000103ac6000 CR4: 00000000003506e0 [ 78.595594] Call Trace: [ 78.598340] ? execute_location+0x48/0x56 [ 78.602829] ? direct_entry.cold+0x2c/0x38 [ 78.607415] ? full_proxy_write+0x56/0x80 [ 78.611902] ? vfs_write+0xea/0x3a0 [ 78.615806] ? ksys_write+0x68/0xf0 [ 78.619712] ? do_syscall_64+0x33/0x40 [ 78.623904] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 78.629759] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 78.645741] CR2: ffffffff93a0c560 [ 78.649450] ---[ end trace 42bc2b033115ef4c ]--- [ 78.654621] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 78.659008] Code: 89 ff e8 2e b5 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 20 db 92 02 [ 78.680010] RSP: 0018:ffffaeb541267e60 EFLAGS: 00010286 [ 78.685853] RAX: ffffffff910de9f0 RBX: 0000000000000001 RCX: 0000000000000000 [ 78.693833] RDX: 0000000000000000 RSI: ffff934b3bd1bf70 RDI: ffffffff91d9ae90 [ 78.701811] RBP: ffffffff921dd3c0 R08: 0000000000000001 R09: 0000000000000001 [ 78.709790] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 78.717771] R13: ffffaeb541267f10 R14: ffffaeb541267f10 R15: ffff934ac4045000 [ 78.725754] FS: 00007febb1801580(0000) GS:ffff934b3bd00000(0000) knlGS:0000000000000000 [ 78.734802] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 78.741228] CR2: ffffffff93a0c560 CR3: 0000000103ac6000 CR4: 00000000003506e0 [ 78.749214] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 78.759138] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1603, name: cat [ 78.767605] INFO: lockdep is turned off. [ 78.771989] irq event stamp: 0 [ 78.775406] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 78.782418] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 78.791567] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 78.800714] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 78.807727] CPU: 1 PID: 1603 Comm: cat Tainted: G D W 5.10.147-cip18 #1 [ 78.816385] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 78.823002] Call Trace: [ 78.825745] dump_stack+0x77/0x9b [ 78.829459] ___might_sleep.cold+0xa6/0xb6 [ 78.834045] exit_signals+0x1c/0x2e0 [ 78.838046] do_exit+0xd5/0xb00 [ 78.841559] ? ksys_write+0x68/0xf0 [ 78.845458] rewind_stack_do_exit+0x17/0x20 [ 78.850139] RIP: 0033:0x7febb17178f3 [ 78.854139] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 78.875129] RSP: 002b:00007ffcd71f5918 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 78.883599] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007febb17178f3 [ 78.891580] RDX: 000000000000000a RSI: 00007febb160a000 RDI: 0000000000000001 [ 78.899563] RBP: 00007febb160a000 R08: 00007febb1609010 R09: 0000000000000000 [ 78.907545] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 78.915525] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # Killed # [ 78.426900] lkdtm: Performing direct entry EXEC_DATA # [ 78.432492] lkdtm: attempting ok execution at ffffffff910dedc0 # [ 78.439035] lkdtm: attempting bad execution at ffffffff93a0c560 # [ 78.445700] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 78.454072] BUG: unable to handle page fault for address: ffffffff93a0c560 # [ 78.461764] #PF: supervisor instruction fetch in kernel mode # [ 78.468092] #PF: error_code(0x0011) - permissions violation # [ 78.474321] PGD 2e229067 P4D 2e229067 PUD 2e22a063 PMD 800000002f8000e3 # [ 78.481827] Oops: 0011 [#5] SMP PTI # [ 78.485727] CPU: 1 PID: 1603 Comm: cat Tainted: G D W 5.10.147-cip18 #1 # [ 78.494384] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 78.501014] RIP: 0010:data_area+0x0/0x40 # [ 78.505403] Code: ff ff 00 2c 17 c4 4a 93 ff ff 00 2b 17 c4 4a 93 ff ff 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 # [ 78.526398] RSP: 0018:ffffaeb541f0fe48 EFLAGS: 00010246 # [ 78.532240] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 78.540216] RDX: 0000000000000000 RSI: ffff934b3bd1bf70 RDI: ffff934b3bd1bf70 # [ 78.548192] RBP: ffffffff93a0c560 R08: 0000000000000000 R09: 0000000000000000 # [ 78.556174] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 78.564154] R13: ffffaeb541f0ff10 R14: ffffaeb541f0ff10 R15: ffff934ac382a000 # [ 78.572134] FS: 00007febb1801580(0000) GS:ffff934b3bd00000(0000) knlGS:0000000000000000 # [ 78.581187] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 78.587614] CR2: ffffffff93a0c560 CR3: 0000000103ac6000 CR4: 00000000003506e0 # [ 78.595594] Call Trace: # [ 78.598340] ? execute_location+0x48/0x56 # [ 78.602829] ? direct_entry.cold+0x2c/0x38 # [ 78.607415] ? full_proxy_write+0x56/0x80 # [ 78.611902] ? vfs_write+0xea/0x3a0 # [ 78.615806] ? ksys_write+0x68/0xf0 # [ 78.619712] ? do_syscall_64+0x33/0x40 # [ 78.623904] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 78.629759] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 78.645741] CR2: ffffffff93a0c560 # [ 78.649450] ---[ end trace 42bc2b033115ef4c ]--- # [ 78.654621] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 78.659008] Code: 89 ff e8 2e b5 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00[ 79.230981] lkdtm: Performing direct entry EXEC_STACK 00 00 00 0f 1f 44 00 00 83 05 20 db 92 02 # [ 78.680010] RSP[ 79.240730] lkdtm: attempting ok execution at ffffffff910dedc0 [ 79.253518] lkdtm: attempting bad execution at ffffaeb541f7fe18 : 0018:ffffaeb541267e60 EFLAGS: 00010286 # [ 78.685853] RAX: [ 79.260171] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 79.274731] BUG: unable to handle page fault for address: ffffaeb541f7fe18 [ 79.282420] #PF: supervisor instruction fetch in kernel mode ffffffff910de9f0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 79.288750] #PF: error_code(0x0011) - permissions violation [ 78.693833] RDX: 0000000000000000 RSI: ffff934b3bd1bf70 RDI: [ 79.301196] PGD 100000067 P4D 100000067 PUD 100209067 PMD 104fff067 PTE 8000000104047063 [ 79.316475] Oops: 0011 [#6] SMP PTI [ 79.320379] CPU: 0 PID: 1639 Comm: cat Tainted: G D W 5.10.147-cip18 #1 [ 79.329029] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 79.335655] RIP: 0010:0xffffaeb541f7fe18 [ 79.340042] Code: 00 00 18 fe f7 41 b5 ae ff ff 5c d5 73 91 ff ff ff ff 20 00 00 00 00 00 00 00 ae 20 18 92 ff ff ff ff 88 d6 73 91 ff ff ff ff <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 [ 79.361045] RSP: 0018:ffffaeb541f7fdf8 EFLAGS: 00010246 [ 79.366891] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 79.374870] RDX: 0000000000000000 RSI: ffff934b3bc1bf70 RDI: ffff934b3bc1bf70 [ 79.382848] RBP: ffffaeb541f7fe18 R08: 0000000000000000 R09: 0000000000000000 [ 79.390830] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b [ 79.398810] R13: ffffaeb541f7ff10 R14: ffffaeb541f7ff10 R15: ffff934ac4045000 [ 79.406791] FS: 00007feb6b579580(0000) GS:ffff934b3bc00000(0000) knlGS:0000000000000000 [ 79.415839] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 79.422263] CR2: ffffaeb541f7fe18 CR3: 000000010384c000 CR4: 00000000003506f0 [ 79.430240] Call Trace: [ 79.432985] ? execute_location+0x48/0x56 [ 79.437471] ? lkdtm_EXEC_STACK+0x26/0x44 [ 79.441957] ? direct_entry.cold+0x2c/0x38 [ 79.446540] ? full_proxy_write+0x56/0x80 [ 79.451017] ? vfs_write+0xea/0x3a0 [ 79.454916] ? ksys_write+0x68/0xf0 [ 79.458820] ? do_syscall_64+0x33/0x40 [ 79.463013] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 79.468854] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 79.484829] CR2: ffffaeb541f7fe18 [ 79.488538] ---[ end trace 42bc2b033115ef4d ]--- [ 79.493704] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 79.498080] Code: 89 ff e8 2e b5 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 20 db 92 02 [ 79.519081] RSP: 0018:ffffaeb541267e60 EFLAGS: 00010286 [ 79.524925] RAX: ffffffff910de9f0 RBX: 0000000000000001 RCX: 0000000000000000 [ 79.532902] RDX: 0000000000000000 RSI: ffff934b3bd1bf70 RDI: ffffffff91d9ae90 [ 79.540881] RBP: ffffffff921dd3c0 R08: 0000000000000001 R09: 0000000000000001 [ 79.548856] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 79.556831] R13: ffffaeb541267f10 R14: ffffaeb541267f10 R15: ffff934ac4045000 [ 79.564807] FS: 00007feb6b579580(0000) GS:ffff934b3bc00000(0000) knlGS:0000000000000000 [ 79.573854] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 79.580278] CR2: ffffaeb541f7fe18 CR3: 000000010384c000 CR4: 00000000003506f0 ffffffff91d9ae90 # [ 78.701811] RBP: ffffffff921dd3c0 R08: 0000000000000001 R09: 0000000000000001 # [ 78.709790] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 78.717771] R13: ffffaeb541267f10 R14: ffffaeb541267f10 R15: ffff934ac4045000 # [ 78.725754] FS: 00007febb1801580(0000) GS:ffff934b3bd00000(0000) knlGS:0000000000000000 # [ 78.734802] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 78.741228] CR2: ffffffff93a0c560 CR3: 0000000103ac6000 CR4: 00000000003506e0 # [ 78.749214] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 78.759138] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1603, name: cat # [ 78.767605] INFO: lockdep is turned off. # [ 78.771989] irq event stamp: 0 # [ 78.775406] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 78.782418] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 78.791567] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 78.800714] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 78.807727] CPU: 1 PID: 1603 Comm: cat Tainted: G D W 5.10.147-cip18 #1 # [ 78.816385] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 78.823002] Call Trace: # [ 78.825745] dump_stack+0x77/0x9b # [ 78.829459] ___might_sleep.cold+0xa6/0xb6 # [ 78.834045] exit_signals+0x1c/0x2e0 # [ 78.838046] do_exit+0xd5/0xb00 # [ 78.841559] ? ksys_write+0x68/0xf0 # [ 78.845458] rewind_stack_do_exit+0x17/0x20 # [ 78.850139] RIP: 0033:0x7febb17178f3 # [ 78.854139] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 78.875129] RSP: 002b:00007ffcd71f5918 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 78.883599] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007febb17178f3 # [ 78.891580] RDX: 000000000000000a RSI: 00007febb160a000 RDI: 0000000000000001 # [ 78.899563] RBP: 00007febb160a000 R08: 00007febb1609010 R09: 0000000000000000 # [ 78.907545] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 78.915525] 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 # [ 79.230981] lkdtm: Performing direct entry EXEC_STACK # [ 79.240730] lkdtm: attempting ok execution at ffffffff910dedc0 # [ 79.253518] lkdtm: attempting bad execution at ffffaeb541f7fe18 # [ 79.260171] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 79.274731] BUG: unable to handle page fault for address: ffffaeb541f7fe18 # [ 79.282420] #PF: supervisor instruction fetch in kernel mode # [ 79.288750] #PF: error_code(0x0011) - permissions violation # [ 79.301196] PGD 100000067 P4D 100000067 PUD 100209067 PMD 104fff067 PTE 8000000104047063 [ 79.885401] lkdtm: Performing direct entry EXEC_KMALLOC # [ 79.316475] Oops: 0011 [#6] SMP PTI # [ 79.320379] CPU: [ 79.892798] lkdtm: attempting ok execution at ffffffff910dedc0 [ 79.905538] lkdtm: attempting bad execution at ffff934ac1ff1400 [ 79.912207] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 79.920578] BUG: unable to handle page fault for address: ffff934ac1ff1400 [ 79.928270] #PF: supervisor instruction fetch in kernel mode [ 79.934599] #PF: error_code(0x0011) - permissions violation [ 79.940831] PGD 2fa01067 P4D 2fa01067 PUD 10034d063 PMD 101fee063 PTE 8000000101ff1063 [ 79.949705] Oops: 0011 [#7] SMP PTI [ 79.953606] CPU: 0 PID: 1675 Comm: cat Tainted: G D W 5.10.147-cip18 #1 [ 79.962268] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 79.968892] RIP: 0010:0xffff934ac1ff1400 [ 79.973279] Code: ad de 88 05 91 02 44 64 41 49 bc 51 29 a6 d3 20 81 0e 00 6c 67 c4 4a 93 ff ff 00 bc 0f c4 73 ef ff ff 00 00 ef c3 4a 93 ff ff <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 [ 79.994278] RSP: 0018:ffffaeb541fefe38 EFLAGS: 00010246 [ 80.000123] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 80.008101] RDX: 0000000000000000 RSI: ffff934b3bc1bf70 RDI: ffff934b3bc1bf70 [ 80.016080] RBP: ffff934ac1ff1400 R08: 0000000000000000 R09: 0000000000000000 [ 80.024061] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d [ 80.032039] R13: ffffaeb541feff10 R14: ffffaeb541feff10 R15: ffff934ac2a13000 [ 80.040015] FS: 00007fbea5a62580(0000) GS:ffff934b3bc00000(0000) knlGS:0000000000000000 [ 80.049061] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 80.055483] CR2: ffff934ac1ff1400 CR3: 000000010384c000 CR4: 00000000003506f0 [ 80.063457] Call Trace: [ 80.066202] ? execute_location+0x48/0x56 [ 80.070689] ? lkdtm_EXEC_KMALLOC+0x2c/0x40 [ 80.075367] ? direct_entry.cold+0x2c/0x38 [ 80.079950] ? full_proxy_write+0x56/0x80 [ 80.084433] ? vfs_write+0xea/0x3a0 [ 80.088332] ? ksys_write+0x68/0xf0 [ 80.092233] ? do_syscall_64+0x33/0x40 [ 80.096426] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 0 PID: 1639 Comm: cat Tainted: G D W 5.10.147-cip18[ 80.102275] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 80.124467] CR2: ffff934ac1ff1400 [ 80.128175] ---[ end trace 42bc2b033115ef4e ]--- [ 80.133338] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 80.137723] Code: 89 ff e8 2e b5 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 20 db 92 02 [ 80.158726] RSP: 0018:ffffaeb541267e60 EFLAGS: 00010286 [ 80.164568] RAX: ffffffff910de9f0 RBX: 0000000000000001 RCX: 0000000000000000 [ 80.172547] RDX: 0000000000000000 RSI: ffff934b3bd1bf70 RDI: ffffffff91d9ae90 [ 80.180526] RBP: ffffffff921dd3c0 R08: 0000000000000001 R09: 0000000000000001 [ 80.188504] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 80.196483] R13: ffffaeb541267f10 R14: ffffaeb541267f10 R15: ffff934ac4045000 [ 80.204462] FS: 00007fbea5a62580(0000) GS:ffff934b3bc00000(0000) knlGS:0000000000000000 [ 80.213511] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 80.219935] CR2: ffff934ac1ff1400 CR3: 000000010384c000 CR4: 00000000003506f0 [ 80.227917] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 80.237836] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1675, name: cat [ 80.246297] INFO: lockdep is turned off. [ 80.250678] irq event stamp: 0 [ 80.254089] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 80.261101] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 80.270249] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 80.279393] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 80.286404] CPU: 0 PID: 1675 Comm: cat Tainted: G D W 5.10.147-cip18 #1 [ 80.295064] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 80.301679] Call Trace: [ 80.304420] dump_stack+0x77/0x9b [ 80.308130] ___might_sleep.cold+0xa6/0xb6 [ 80.312717] exit_signals+0x1c/0x2e0 [ 80.316717] do_exit+0xd5/0xb00 [ 80.320229] ? ksys_write+0x68/0xf0 [ 80.324133] rewind_stack_do_exit+0x17/0x20 [ 80.328809] RIP: 0033:0x7fbea59788f3 [ 80.332806] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 80.353802] RSP: 002b:00007fffbbec98f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 80.362272] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007fbea59788f3 [ 80.370250] RDX: 000000000000000d RSI: 00007fbea586b000 RDI: 0000000000000001 [ 80.378226] RBP: 00007fbea586b000 R08: 00007fbea586a010 R09: 0000000000000000 [ 80.386199] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 80.394174] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 #1 # [ 79.329029] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 79.335655] RIP: 0010:0xffffaeb541f7fe18 # [ 79.340042] Code: 00 00 18 fe f7 41 b5 ae ff ff 5c d5 73 91 ff ff ff ff 20 00 00 00 00 00 00 00 ae 20 18 92 ff ff ff ff 88 d6 73 91 ff ff ff ff <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 # [ 79.361045] RSP: 0018:ffffaeb541f7fdf8 EFLAGS: 00010246 # [ 79.366891] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 79.374870] RDX: 0000000000000000 RSI: ffff934b3bc1bf70 RDI: ffff934b3bc1bf70 # [ 79.382848] RBP: ffffaeb541f7fe18 R08: 0000000000000000 R09: 0000000000000000 # [ 79.390830] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b # [ 79.398810] R13: ffffaeb541f7ff10 R14: ffffaeb541f7ff10 R15: ffff934ac4045000 # [ 79.406791] FS: 00007feb6b579580(0000) GS:ffff934b3bc00000(0000) knlGS:0000000000000000 # [ 79.415839] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 79.422263] CR2: ffffaeb541f7fe18 CR3: 000000010384c000 CR4: 00000000003506f0 # [ 79.430240] Call Trace: # [ 79.432985] ? execute_location+0x48/0x56 # [ 79.437471] ? lkdtm_EXEC_STACK+0x26/0x44 # [ 79.441957] ? direct_entry.cold+0x2c/0x38 # [ 79.446540] ? full_proxy_write+0x56/0x80 # [ 79.451017] ? vfs_write+0xea/0x3a0 # [ 79.454916] ? ksys_write+0x68/0xf0 # [ 79.458820] ? do_syscall_64+0x33/0x40 # [ 79.463013] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 79.468854] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 79.484829] CR2: ffffaeb541f7fe18 # [ 79.488538] ---[ end trace 42bc2b033115ef4d ]--- # [ 79.493704] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 79.498080] Code: 89 ff e8 2e b5 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 20 db 92 02 # [ 79.519081] RSP: 0018:ffffaeb541267e60 EFLAGS: 00010286 # [ 79.524925] RAX: ffffffff910de9f0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 79.532902] RDX: 0000000000000000 RSI: ffff934b3bd1bf70 RDI: ffffffff91d9ae90 # [ 79.540881] RBP: ffffffff921dd3c0 R08: 0000000000000001 R09: 0000000000000001 # [ 79.548856] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 79.556831] R13: ffffaeb541267f10 R14: ffffaeb541267f10 R15: ffff934ac4045000 # [ 79.564807] FS: 00007feb6b579580(0000) GS:ffff934b3bc00000(0000) knlGS:0000000000000000 # [ 79.573854] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 79.580278] CR2: ffffaeb541f7fe18 CR3: 000000010384c000 CR4: 00000000003506f0 # EXEC_STACK: saw 'call trace:': ok ok 31 selftests: lkdtm: EXEC_STACK.sh # selftests: lkdtm: EXEC_KMALLOC.sh # Killed # [ 79.885401] lkdtm: Performing direct entry EXEC_KMALLOC # [ 79.892798] lkdtm: attempting ok execution at ffffffff910dedc0 # [ 79.905538] lkdtm: attempting bad execution at ffff934ac1ff1400 # [ 79.912207] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 79.920578] BUG: unable to handle page fault [ 80.711731] lkdtm: Performing direct entry EXEC_VMALLOC [ 80.719009] lkdtm: attempting ok execution at ffffffff910dedc0 [ 80.725578] lkdtm: attempting bad execution at ffffaeb5405b3000 for address: ffff934ac1ff1400 # [ 79.928270] #PF: supervisor [ 80.732241] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 80.746798] BUG: unable to handle page fault for address: ffffaeb5405b3000 instruction fetch in kernel mode # [ 79.934599] #PF: error_co[ 80.754488] #PF: supervisor instruction fetch in kernel mode [ 80.767031] #PF: error_code(0x0011) - permissions violation de(0x0011) - permissions violation # [ 79.940831] PGD 2fa0106[ 80.773264] PGD 100000067 P4D 100000067 PUD 100209067 PMD 104218067 PTE 800000010405e063 [ 80.788538] Oops: 0011 [#8] SMP PTI [ 80.792442] CPU: 0 PID: 1711 Comm: cat Tainted: G D W 5.10.147-cip18 #1 [ 80.801098] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 80.807722] RIP: 0010:0xffffaeb5405b3000 [ 80.812111] Code: Unable to access opcode bytes at RIP 0xffffaeb5405b2fd6. [ 80.819800] RSP: 0018:ffffaeb542057e38 EFLAGS: 00010246 [ 80.825644] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 80.833618] RDX: 0000000000000000 RSI: ffff934b3bc1bf70 RDI: ffff934b3bc1bf70 [ 80.841593] RBP: ffffaeb5405b3000 R08: 0000000000000000 R09: 0000000000000000 [ 80.849567] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d [ 80.857541] R13: ffffaeb542057f10 R14: ffffaeb542057f10 R15: ffff934ac405e000 [ 80.865520] FS: 00007f80fcaaf580(0000) GS:ffff934b3bc00000(0000) knlGS:0000000000000000 [ 80.874569] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 80.880994] CR2: ffffaeb5405b2fd6 CR3: 0000000103b7a000 CR4: 00000000003506f0 [ 80.888972] Call Trace: [ 80.891719] ? execute_location+0x48/0x56 [ 80.896206] ? lkdtm_EXEC_VMALLOC+0x20/0x30 [ 80.900884] ? direct_entry.cold+0x2c/0x38 [ 80.905467] ? full_proxy_write+0x56/0x80 [ 80.909954] ? vfs_write+0xea/0x3a0 [ 80.913855] ? ksys_write+0x68/0xf0 [ 80.917759] ? do_syscall_64+0x33/0x40 [ 80.921952] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 7 P4D 2fa01067 PUD 10034d063 PMD 101fee063 PTE 8000000101ff1063[ 80.927805] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 80.950007] CR2: ffffaeb5405b3000 [ 80.953718] ---[ end trace 42bc2b033115ef4f ]--- [ 80.958885] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 80.963269] Code: 89 ff e8 2e b5 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 20 db 92 02 [ 80.984268] RSP: 0018:ffffaeb541267e60 EFLAGS: 00010286 [ 80.990113] RAX: ffffffff910de9f0 RBX: 0000000000000001 RCX: 0000000000000000 [ 80.998092] RDX: 0000000000000000 RSI: ffff934b3bd1bf70 RDI: ffffffff91d9ae90 [ 81.006073] RBP: ffffffff921dd3c0 R08: 0000000000000001 R09: 0000000000000001 [ 81.014054] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 81.022033] R13: ffffaeb541267f10 R14: ffffaeb541267f10 R15: ffff934ac4045000 [ 81.030010] FS: 00007f80fcaaf580(0000) GS:ffff934b3bc00000(0000) knlGS:0000000000000000 [ 81.039057] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 81.045481] CR2: ffffaeb5405b2fd6 CR3: 0000000103b7a000 CR4: 00000000003506f0 # [ 79.949705] Oops: 0011 [#7] SMP PTI # [ 79.953606] CPU: 0 PID: 1675 Comm: cat Tainted: G D W 5.10.147-cip18 #1 # [ 79.962268] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 79.968892] RIP: 0010:0xffff934ac1ff1400 # [ 79.973279] Code: ad de 88 05 91 02 44 64 41 49 bc 51 29 a6 d3 20 81 0e 00 6c 67 c4 4a 93 ff ff 00 bc 0f c4 73 ef ff ff 00 00 ef c3 4a 93 ff ff <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 # [ 79.994278] RSP: 0018:ffffaeb541fefe38 EFLAGS: 00010246 # [ 80.000123] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 80.008101] RDX: 0000000000000000 RSI: ffff934b3bc1bf70 RDI: ffff934b3bc1bf70 # [ 80.016080] RBP: ffff934ac1ff1400 R08: 0000000000000000 R09: 0000000000000000 # [ 80.024061] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d # [ 80.032039] R13: ffffaeb541feff10 R14: ffffaeb541feff10 R15: ffff934ac2a13000 # [ 80.040015] FS: 00007fbea5a62580(0000) GS:ffff934b3bc00000(0000) knlGS:0000000000000000 # [ 80.049061] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 80.055483] CR2: ffff934ac1ff1400 CR3: 000000010384c000 CR4: 00000000003506f0 # [ 80.063457] Call Trace: # [ 80.066202] ? execute_location+0x48/0x56 # [ 80.070689] ? lkdtm_EXEC_KMALLOC+0x2c/0x40 # [ 80.075367] ? direct_entry.cold+0x2c/0x38 # [ 80.079950] ? full_proxy_write+0x56/0x80 # [ 80.084433] ? vfs_write+0xea/0x3a0 # [ 80.088332] ? ksys_write+0x68/0xf0 # [ 80.092233] ? do_syscall_64+0x33/0x40 # [ 80.096426] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 80.102275] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 80.124467] CR2: ffff934ac1ff1400 # [ 80.128175] ---[ end trace 42bc2b033115ef4e ]--- # [ 80.133338] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 80.137723] Code: 89 ff e8 2e b5 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 20 db 92 02 # [ 80.158726] RSP: 0018:ffffaeb541267e60 EFLAGS: 00010286 # [ 80.164568] RAX: ffffffff910de9f0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 80.172547] RDX: 0000000000000000 RSI: ffff934b3bd1bf70 RDI: ffffffff91d9ae90 # [ 80.180526] RBP: ffffffff921dd3c0 R08: 0000000000000001 R09: 0000000000000001 # [ 80.188504] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 80.196483] R13: ffffaeb541267f10 R14: ffffaeb541267f10 R15: ffff934ac4045000 # [ 80.204462] FS: 00007fbea5a62580(0000) GS:ffff934b3bc00000(0000) knlGS:0000000000000000 # [ 80.213511] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 80.219935] CR2: ffff934ac1ff1400 CR3: 000000010384c000 CR4: 00000000003506f0 # [ 80.227917] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 80.237836] in_atomic(): 0, ir[ 81.340195] lkdtm: Performing direct entry EXEC_RODATA [ 81.351600] lkdtm: attempting ok execution at ffffffff910dedc0 [ 81.358159] lkdtm: attempting bad execution at ffffffff91d9b320 [ 81.364815] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 81.373181] BUG: unable to handle page fault for address: ffffffff91d9b320 [ 81.380864] #PF: supervisor instruction fetch in kernel mode [ 81.387187] #PF: error_code(0x0011) - permissions violation [ 81.393416] PGD 2e229067 P4D 2e229067 PUD 2e22a063 PMD 800000002da001e1 [ 81.400926] Oops: 0011 [#9] SMP PTI [ 81.404829] CPU: 0 PID: 1747 Comm: cat Tainted: G D W 5.10.147-cip18 #1 [ 81.413487] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 81.420119] RIP: 0010:lkdtm_rodata_do_nothing+0x0/0x10 [ 81.425866] Code: ff ff f8 ea 73 91 ff ff ff ff fa 22 18 92 ff ff ff ff 3e d2 73 91 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 [ 81.446863] RSP: 0018:ffffaeb5420bfe48 EFLAGS: 00010246 [ 81.452709] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 [ 81.460689] RDX: 0000000000000000 RSI: ffff934b3bc1bf70 RDI: ffff934b3bc1bf70 [ 81.468671] RBP: ffffffff91d9b320 R08: 0000000000000000 R09: 0000000000000000 [ 81.476651] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c [ 81.484634] R13: ffffaeb5420bff10 R14: ffffaeb5420bff10 R15: ffff934ac4d0f000 [ 81.492616] FS: 00007f8001c72580(0000) GS:ffff934b3bc00000(0000) knlGS:0000000000000000 [ 81.501665] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 81.508090] CR2: ffffffff91d9b320 CR3: 0000000102784000 CR4: 00000000003506f0 [ 81.516068] Call Trace: [ 81.518810] ? execute_location+0x48/0x56 [ 81.523296] ? direct_entry.cold+0x2c/0x38 [ 81.527877] ? full_proxy_write+0x56/0x80 [ 81.532365] ? vfs_write+0xea/0x3a0 [ 81.536268] ? ksys_write+0x68/0xf0 [ 81.540173] ? do_syscall_64+0x33/0x40 [ 81.544368] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 qs_disabled(): 1, non_block: 0, pid: 1675, name: cat # [ 80.2[ 81.550223] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 81.572418] CR2: ffffffff91d9b320 [ 81.576126] ---[ end trace 42bc2b033115ef50 ]--- [ 81.581293] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 81.585677] Code: 89 ff e8 2e b5 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 20 db 92 02 46297] INFO: lockdep is turned off. # [ 80.250678] irq event [ 81.606674] RSP: 0018:ffffaeb541267e60 EFLAGS: 00010286 [ 81.618725] RAX: ffffffff910de9f0 RBX: 0000000000000001 RCX: 0000000000000000 [ 81.626704] RDX: 0000000000000000 RSI: ffff934b3bd1bf70 RDI: ffffffff91d9ae90 [ 81.634681] RBP: ffffffff921dd3c0 R08: 0000000000000001 R09: 0000000000000001 [ 81.642659] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 81.650640] R13: ffffaeb541267f10 R14: ffffaeb541267f10 R15: ffff934ac4045000 [ 81.658619] FS: 00007f8001c72580(0000) GS:ffff934b3bc00000(0000) knlGS:0000000000000000 stamp: 0 # [ 80.254089] hardirqs last enabled at (0): [<0000[ 81.667668] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 81.680308] CR2: ffffffff91d9b320 CR3: 0000000102784000 CR4: 00000000003506f0 [ 81.688289] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 000000000000>] 0x0 # [ 80.261101] hardirqs last disabled at ([ 81.698212] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1747, name: cat [ 81.712887] INFO: lockdep is turned off. [ 81.717271] irq event stamp: 0 [ 81.720688] hardirqs last enabled at (0): [<0000000000000000>] 0x0 0): [] copy_process+0x640/0x1c80 # [ 80.270[ 81.727700] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 81.743055] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 249] softirqs last enabled at (0): [] copy_pr[ 81.752201] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 81.765422] CPU: 0 PID: 1747 Comm: cat Tainted: G D W 5.10.147-cip18 #1 ocess+0x640/0x1c80 # [ 80.279393] softirqs last disabled at ([ 81.774084] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 81.786914] Call Trace: 0): [<0000000000000000>] 0x0 # [ 80.286404] CPU: 0 PID: 1675 [ 81.789653] dump_stack+0x77/0x9b Comm: cat Tainted: G D W 5.10.147-cip18 #1 # [ 8[ 81.799574] ___might_sleep.cold+0xa6/0xb6 0.295064] Hardware name: Google Coral/Coral, BIOS 09/29/2020 #[ 81.810361] exit_signals+0x1c/0x2e0 [ 81.820575] do_exit+0xd5/0xb00 [ 80.301679] Call Trace: # [ 80.304420] dump_stack+0x77/0[ 81.824090] ? ksys_write+0x68/0xf0 x9b # [ 80.308130] ___might_sleep.cold+0xa6/0xb6 # [ 80.3[ 81.834202] rewind_stack_do_exit+0x17/0x20 [ 81.845093] RIP: 0033:0x7f8001b888f3 12717] exit_signals+0x1c/0x2e0 # [ 80.316717] do_exit+0xd5/[ 81.849088] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 81.876293] RSP: 002b:00007fffac47ae98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 0xb00 # [ 80.320229] ? ksys_write+0x68/0xf0 # [ 80.324133[ 81.884761] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f8001b888f3 [ 81.898953] RDX: 000000000000000c RSI: 00007f8001a7b000 RDI: 0000000000000001 [ 81.906926] RBP: 00007f8001a7b000 R08: 00007f8001a7a010 R09: 0000000000000000 [ 81.914901] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 81.922882] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ] rewind_stack_do_exit+0x17/0x20 # [ 80.328809] RIP: 0033:0x7fbea59788f3 # [ 80.332806] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 80.353802] RSP: 002b:00007fffbbec98f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 80.362272] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007fbea59788f3 # [ 80.370250] RDX: 000000000000000d RSI: 00007fbea586b000 RDI: 0000000000000001 # [ 80.378226] RBP: 00007fbea586b000 R08: 00007fbea586a010 R09: 0000000000000000 # [ 80.386199] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 80.394174] 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 # [ 80.711731] lkdtm: Performing direct entry EXEC_VMALLOC # [ 80.719009] lkdtm: attempting ok execution at ffffffff910dedc0 # [ 80.725578] lkdtm: attempting bad execution at ffffaeb5405b3000 # [ 80.732241] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 80.746798] BUG: unable to handle page fault for address: ffffaeb5405b3000 # [ 80.754488] #PF: supervisor instruction fetch in kernel mode # [ 80.767031] #PF: error_code(0x0011) - permissions violation # [ 80.773264] PGD 100000067 P4D 100000067 PUD 100209067 PMD 104218067 PTE 800000010405e063 # [ 80.788538] Oops: 0011 [#8] SMP PTI # [ 80.792442] CPU: 0 PID: 1711 Comm: cat Tainted: G D W 5.10.147-cip18 #1 # [ 80.801098] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 80.807722] RIP: 0010:0xffffaeb5405b3000 # [ 80.812111] Code: Unable to access opcode bytes at RIP 0xffffaeb5405b2fd6. # [ 80.819800] RSP: 0018:ffffaeb542057e38 EFLAGS: 00010246 # [ 80.825644] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 80.833618] RDX: 0000000000000000 RSI: ffff934b3bc1bf70 RDI: ffff934b3bc1bf70 # [ 80.841593] RBP: ffffaeb5405b3000 R08: 0000000000000000 R09: 0000000000000000 # [ 80.849567] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d # [ 80.857541] R13: ffffaeb542057f10 R14: ffffaeb542057f10 R15: ffff934ac405e000 # [ 80.865520] FS: 00007f80fcaaf580(0000) GS:ffff934b3bc00000(0000) knlGS:0000000000000000 # [ 80.874569] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 80.880994] CR2: ffffaeb5405b2fd6 CR3: 0000000103b7a000 CR4: 00000000003506f0 # [ 80.888972] Call Trace: # [ 80.891719] ? execute_location+0x48/0x56 # [ 80.896206] ? lkdtm_EXEC_VMALLOC+0x20/0x30 # [ 80.900884] ? direct_entry.cold+0x2c/0x38 # [ 80.905467] ? full_proxy_write+0x56/0x80 # [ 80.909954] ? vfs_write+0xea/0x3a0 # [ 80.913855] ? ksys_write+0x68/0xf0 # [ 80.917759] ? do_syscall_64+0x33/0x40 # [ 80.921952] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 80.927805] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 80.950007] CR2: ffffae[ 82.241260] lkdtm: Performing direct entry EXEC_USERSPACE b5405b3000 # [ 80.953718] ---[ end trace 42bc2b033115ef4f ]--[ 82.247898] lkdtm: attempting ok execution at ffffffff910dedc0 - # [ 80.958885] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 80.96326[ 82.262982] lkdtm: attempting bad execution at 00007fd91270e000 9] Code: 89 ff e8 2e b5 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c[ 82.273510] unable to execute userspace code (SMEP?) (uid: 0) [ 82.286078] BUG: unable to handle page fault for address: 00007fd91270e000 [ 82.293766] #PF: supervisor instruction fetch in kernel mode [ 82.300094] #PF: error_code(0x0011) - permissions violation [ 82.306326] PGD 80000001037a8067 P4D 80000001037a8067 PUD 104e57067 PMD 103fd6067 PTE 1146e3067 [ 82.316070] Oops: 0011 [#10] SMP PTI [ 82.320069] CPU: 1 PID: 1783 Comm: cat Tainted: G D W 5.10.147-cip18 #1 [ 82.328732] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 82.335358] RIP: 0010:0x7fd91270e000 [ 82.339353] Code: Unable to access opcode bytes at RIP 0x7fd91270dfd6. [ 82.346650] RSP: 0018:ffffaeb54212fe50 EFLAGS: 00010246 [ 82.352494] RAX: 0000000000000033 RBX: 0000000000000024 RCX: 0000000000000000 [ 82.360470] RDX: 0000000000000000 RSI: ffff934b3bd1bf70 RDI: ffff934b3bd1bf70 [ 82.368447] RBP: 00007fd91270e000 R08: 0000000000000000 R09: 0000000000000000 [ 82.376426] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000f [ 82.384406] R13: ffffaeb54212ff10 R14: ffffaeb54212ff10 R15: ffff934ac2a3f000 [ 82.392386] FS: 00007fd9126df580(0000) GS:ffff934b3bd00000(0000) knlGS:0000000000000000 [ 82.401432] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 82.407855] CR2: 00007fd91270e000 CR3: 0000000104f5a000 CR4: 00000000003506e0 [ 82.415834] Call Trace: [ 82.418581] ? lkdtm_EXEC_USERSPACE.cold+0x69/0xae [ 82.423942] ? direct_entry.cold+0x2c/0x38 [ 82.428529] ? full_proxy_write+0x56/0x80 [ 82.433016] ? vfs_write+0xea/0x3a0 [ 82.436920] ? ksys_write+0x68/0xf0 [ 82.440824] ? do_syscall_64+0x33/0x40 [ 82.445019] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 82.450863] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 82.466845] CR2: 00007fd91270e000 [ 82.470550] ---[ end trace 42bc2b033115ef51 ]--- [ 82.475718] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 82.480104] Code: 89 ff e8 2e b5 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 20 db 92 02 [ 82.501098] RSP: 0018:ffffaeb541267e60 EFLAGS: 00010286 [ 82.506941] RAX: ffffffff910de9f0 RBX: 0000000000000001 RCX: 0000000000000000 [ 82.514921] RDX: 0000000000000000 RSI: ffff934b3bd1bf70 RDI: ffffffff91d9ae90 [ 82.522901] RBP: ffffffff921dd3c0 R08: 0000000000000001 R09: 0000000000000001 [ 82.530883] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 82.538861] R13: ffffaeb541267f10 R14: ffffaeb541267f10 R15: ffff934ac4045000 [ 82.546843] FS: 00007fd9126df580(0000) GS:ffff934b3bd00000(0000) knlGS:0000000000000000 [ 82.555892] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 82.562316] CR2: 00007fd91270e000 CR3: 0000000104f5a000 CR4: 00000000003506e0 0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 20 db 92 02 # [ 80.984268] RSP: 0018:ffffaeb541267e60 EFLAGS: 00010286 # [ 80.990113] RAX: ffffffff910de9f0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 80.998092] RDX: 0000000000000000 RSI: ffff934b3bd1bf70 RDI: ffffffff91d9ae90 # [ 81.006073] RBP: ffffffff921dd3c0 R08: 0000000000000001 R09: 0000000000000001 # [ 81.014054] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 81.022033] R13: ffffaeb541267f10 R14: ffffaeb541267f10 R15: ffff934ac4045000 # [ 81.030010] FS: 00007f80fcaaf580(0000) GS:ffff934b3bc00000(0000) knlGS:0000000000000000 # [ 81.039057] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 81.045481] CR2: ffffaeb5405b2fd6 CR3: 0000000103b7a000 CR4: 00000000003506f0 # EXEC_VMALLOC: saw 'call trace:': ok ok 33 selftests: lkdtm: EXEC_VMALLOC.sh # selftests: lkdtm: EXEC_RODATA.sh # Killed # [ 81.340195] lkdtm: Performing direct entry EXEC_RODATA # [ 81.351600] lkdtm: attempting ok execution at ffffffff910dedc0 # [ 81.358159] lkdtm: attempting bad execution at ffffffff91d9b320 # [ 81.364815] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 81.373181] BUG: unable to handle page fault for address: ffffffff91d9b320 # [ 81.380864] #PF: supervisor instruction fetch in kernel mode # [ 81.387187] #PF: error_code(0x0011) - permissions violation # [ 81.393416] PGD 2e229067 P4D 2e229067 PUD 2e22a063 PMD 800000002da001e1 # [ 81.400926] Oops: 0011 [#9] SMP PTI # [ 81.404829] CPU: 0 PID: 1747 Comm: cat Tainted: G D W 5.10.147-cip18 #1 # [ 81.413487] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 81.420119] RIP: 0010:lkdtm_rodata_do_nothing+0x0/0x10 # [ 81.425866] Code: ff ff f8 ea 73 91 ff ff ff ff fa 22 18 92 ff ff ff ff 3e d2 73 91 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 # [ 81.446863] RSP: 0018:ffffaeb5420bfe48 EFLAGS: 00010246 # [ 81.452709] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 # [ 81.460689] RDX: 0000000000000000 RSI: ffff934b3bc1bf70 RDI: ffff934b3bc1bf70 # [ 81.468671] RBP: ffffffff91d9b320 R08: 0000000000000000 R09: 0000000000000000 # [ 81.476651] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c # [ 81.484634] R13: ffffaeb5420bff10 R14: ffffaeb5420bff10 R15: ffff934ac4d0f000 # [ 81.492616] FS: 00007f8001c72580(0000) GS:ffff934b3bc00000(0000) knlGS:0000000000000000 # [ 81.501665] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 81.508090] CR2: ffffffff91d9b320 CR3: 0000000102784000 CR4: 00000000003506f0 # [ 81.516068] Call Trace: # [ 81.518810] ? execute_location+0x48/0x56 # [ 81.523296] ? direct_entry.cold+0x2c/0x38 # [ 81.527877] ? full_proxy_write+0x56/0x80 # [ 81.532365] ? vfs_write+0xea/0x3a0 # [ 81.536268] ? ksys_write+0x68/0xf0 # [ 81.540173] ? do_syscall_64+0x33/0x40 # [ 81.544368] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 81.550223] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 81.572418] CR2: ffffffff91d9b320 # [ 81.576126] ---[ end trace 42bc2b033115ef50 ]--- # [ 81.581293] RIP: 0010:lkdtm_BUG+0x5/0[ 82.900869] lkdtm: Performing direct entry EXEC_NULL x10 # [ 81.585677] Code: 89 ff e8 2e b5 a3 ff 48 c7 c0 ea ff [ 82.911775] lkdtm: attempting ok execution at ffffffff910dedc0 [ 82.924510] lkdtm: attempting bad execution at 0000000000000000 ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff f[ 82.931167] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 82.945174] #PF: supervisor instruction fetch in kernel mode [ 82.951502] #PF: error_code(0x0010) - not-present page f ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f [ 82.957250] PGD 0 P4D 0 [ 82.966295] Oops: 0010 [#11] SMP PTI 1f 44 00 00 83 05 20 db 92 02 # [ 81.606674] RSP: 0018:ffffae[ 82.970296] CPU: 0 PID: 1819 Comm: cat Tainted: G D W 5.10.147-cip18 #1 [ 82.985168] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 82.991791] RIP: 0010:0x0 [ 82.994713] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6. [ 83.002391] RSP: 0018:ffffaeb5421afe48 EFLAGS: 00010246 [ 83.008237] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 [ 83.016217] RDX: 0000000000000000 RSI: ffff934b3bc1bf70 RDI: ffff934b3bc1bf70 [ 83.024198] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 83.032179] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a [ 83.040161] R13: ffffaeb5421aff10 R14: ffffaeb5421aff10 R15: ffff934ac5921000 [ 83.048142] FS: 00007fd672a90580(0000) GS:ffff934b3bc00000(0000) knlGS:0000000000000000 [ 83.057191] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 83.063617] CR2: ffffffffffffffd6 CR3: 0000000103fe0000 CR4: 00000000003506f0 [ 83.071596] Call Trace: [ 83.074341] execute_location+0x48/0x56 [ 83.078636] direct_entry.cold+0x2c/0x38 [ 83.083029] full_proxy_write+0x56/0x80 [ 83.087323] vfs_write+0xea/0x3a0 [ 83.091032] ksys_write+0x68/0xf0 [ 83.094733] do_syscall_64+0x33/0x40 b541267e60 EFLAGS: 00010286 # [ 81.618725] RAX: ffffffff910de[ 83.098735] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 83.110584] RIP: 0033:0x7fd6729a68f3 [ 83.114584] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 83.135589] RSP: 002b:00007ffccf5e90a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 83.144060] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fd6729a68f3 [ 83.152039] RDX: 000000000000000a RSI: 00007fd672899000 RDI: 0000000000000001 [ 83.160018] RBP: 00007fd672899000 R08: 00007fd672898010 R09: 0000000000000000 [ 83.167996] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 83.175972] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 83.183964] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 83.199946] CR2: 0000000000000000 [ 83.203654] ---[ end trace 42bc2b033115ef52 ]--- [ 83.208822] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 83.213207] Code: 89 ff e8 2e b5 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 20 db 92 02 [ 83.234212] RSP: 0018:ffffaeb541267e60 EFLAGS: 00010286 [ 83.240056] RAX: ffffffff910de9f0 RBX: 0000000000000001 RCX: 0000000000000000 [ 83.248035] RDX: 0000000000000000 RSI: ffff934b3bd1bf70 RDI: ffffffff91d9ae90 [ 83.256011] RBP: ffffffff921dd3c0 R08: 0000000000000001 R09: 0000000000000001 [ 83.263989] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 83.271970] R13: ffffaeb541267f10 R14: ffffaeb541267f10 R15: ffff934ac4045000 [ 83.279953] FS: 00007fd672a90580(0000) GS:ffff934b3bc00000(0000) knlGS:0000000000000000 [ 83.289004] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 83.295429] CR2: ffffffffffffffd6 CR3: 0000000103fe0000 CR4: 00000000003506f0 [ 83.303412] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 83.313338] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1819, name: cat [ 83.321803] INFO: lockdep is turned off. [ 83.326188] irq event stamp: 0 [ 83.329601] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 83.336615] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 83.345763] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 83.354909] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 83.361922] CPU: 0 PID: 1819 Comm: cat Tainted: G D W 5.10.147-cip18 #1 [ 83.370582] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 83.377201] Call Trace: [ 83.379943] dump_stack+0x77/0x9b [ 83.383651] ___might_sleep.cold+0xa6/0xb6 [ 83.388236] exit_signals+0x1c/0x2e0 [ 83.392235] do_exit+0xd5/0xb00 [ 83.395748] ? ksys_write+0x68/0xf0 [ 83.399656] rewind_stack_do_exit+0x17/0x20 [ 83.404335] RIP: 0033:0x7fd6729a68f3 [ 83.408333] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 83.429335] RSP: 002b:00007ffccf5e90a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 83.437802] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fd6729a68f3 [ 83.445783] RDX: 000000000000000a RSI: 00007fd672899000 RDI: 0000000000000001 [ 83.453763] RBP: 00007fd672899000 R08: 00007fd672898010 R09: 0000000000000000 [ 83.461742] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 83.469723] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 9f0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 81.626704] RDX: 0000000000000000 RSI: ffff934b3bd1bf70 RDI: ffffffff91d9ae90 # [ 81.634681] RBP: ffffffff921dd3c0 R08: 0000000000000001 R09: 0000000000000001 # [ 81.642659] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 81.650640] R13: ffffaeb541267f10 R14: ffffaeb541267f10 R15: ffff934ac4045000 # [ 81.658619] FS: 00007f8001c72580(0000) GS:ffff934b3bc00000(0000) knlGS:0000000000000000 # [ 81.667668] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 81.680308] CR2: ffffffff91d9b320 CR3: 0000000102784000 CR4: 00000000003506f0 # [ 81.688289] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 81.698212] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1747, name: cat # [ 81.712887] INFO: lockdep is turned off. # [ 81.717271] irq event stamp: 0 # [ 81.720688] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 81.727700] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 81.743055] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 81.752201] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 81.765422] CPU: 0 PID: 1747 Comm: cat Tainted: G D W 5.10.147-cip18 #1 # [ 81.774084] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 81.786914] Call Trace: # [ 81.789653] dump_stack+0x77/0x9b # [ 81.799574] ___might_sleep.cold+0xa6/0xb6 # [ 81.810361] exit_signals+0x1c/0x2e0 # [ 81.820575] do_exit+0xd5/0xb00 # [ 81.824090] ? ksys_write+0x68/0xf0 # [ 81.834202] rewind_stack_do_exit+0x17/0x20 # [ 81.845093] RIP: 0033:0x7f8001b888f3 # [ 81.849088] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 81.876293] RSP: 002b:00007fffac47ae98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 81.884761] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f8001b888f3 # [ 81.898953] RDX: 000000000000000c RSI: 00007f8001a7b000 RDI: 0000000000000001 # [ 81.906926] RBP: 00007f8001a7b000 R08: 00007f8001a7a010 R09: 0000000000000000 # [ 81.914901] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 81.922882] 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 # [ 82.241260] lkdtm: Performing direct entry EXEC_USERSPACE # [ 82.247898] lkdtm: attempting ok execution at ffffffff910dedc0 # [ 82.262982] lkdtm: attempting bad execution at 00007fd91270e000 # [ 82.273510] unable to execute userspace code (SMEP?) (uid: 0) # [ 82.286078] BUG: unable to handle page fault for address: 00007fd91270e000 # [ 82.293766] #PF: supervisor instruction fetch in kernel mode # [ 82.300094] #PF: error_code(0x0011) - permissions violation # [ 82.306326] PGD 80000001037a8067 P4D 80000001037a8067 PUD 104e57067 PMD 103fd6067 PTE 1146e3067 # [ 82.316070] Oops: 0011 [#10] SMP PTI # [ 82.320069] CPU: 1 PID: 1783 Comm: cat Tainted: G D W 5.10.147-cip18 #1 # [ 82[ 83.800198] lkdtm: Performing direct entry ACCESS_USERSPACE [ 83.807430] lkdtm: attempting bad read at 00007fb202a38000 [ 83.813608] BUG: unable to handle page fault for address: 00007fb202a38000 [ 83.821298] #PF: supervisor read access in kernel mode [ 83.827042] #PF: error_code(0x0001) - permissions violation .328732] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 83.833272] PGD 8000000102785067 P4D 8000000102785067 PUD 103cf2067 PMD 1048dc067 PTE 11413b067 [ 83.849230] Oops: 0001 [#12] SMP PTI [ 82.335358] RIP: 0010:0x7fd91270e000 # [ 82.339353] Code: [ 83.853232] CPU: 0 PID: 1854 Comm: cat Tainted: G D W 5.10.147-cip18 #1 [ 83.868100] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 83.874733] RIP: 0010:lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3 [ 83.880968] Code: 00 00 00 75 64 48 83 c4 10 5d c3 cc cc cc cc 48 89 ee 48 c7 c7 18 30 18 92 e8 09 9a fd ff 48 c7 c7 40 30 18 92 b8 de c0 de c0 <48> 03 45 00 48 89 04 24 e8 f0 99 fd ff 48 89 ee 48 c7 c7 68 30 18 [ 83.901972] RSP: 0018:ffffaeb54220fe48 EFLAGS: 00010246 [ 83.907820] RAX: 00000000c0dec0de RBX: 0000000000000026 RCX: 0000000000000000 [ 83.915800] RDX: 0000000000000000 RSI: ffff934b3bc1bf70 RDI: ffffffff92183040 [ 83.923780] RBP: 00007fb202a38000 R08: 0000000000000000 R09: 0000000000000000 [ 83.931760] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000011 [ 83.939740] R13: ffffaeb54220ff10 R14: ffffaeb54220ff10 R15: ffff934ac4dd0000 [ 83.947719] FS: 00007fb202a09580(0000) GS:ffff934b3bc00000(0000) knlGS:0000000000000000 [ 83.956770] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 83.963195] CR2: 00007fb202a38000 CR3: 0000000104b24000 CR4: 00000000003506f0 [ 83.971174] Call Trace: [ 83.973919] direct_entry.cold+0x2c/0x38 [ 83.978304] full_proxy_write+0x56/0x80 [ 83.982598] vfs_write+0xea/0x3a0 [ 83.986309] ksys_write+0x68/0xf0 [ 83.990019] do_syscall_64+0x33/0x40 [ 83.994023] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 83.999676] RIP: 0033:0x7fb20291f8f3 [ 84.003678] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 84.024684] RSP: 002b:00007ffda1f6ec78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 84.033150] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007fb20291f8f3 [ 84.041130] RDX: 0000000000000011 RSI: 00007fb202812000 RDI: 0000000000000001 [ 84.049109] RBP: 00007fb202812000 R08: 00007fb202811010 R09: 0000000000000000 [ 84.057089] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 84.065069] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 84.073060] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 84.089041] CR2: 00007fb202a38000 [ 84.092750] ---[ end trace 42bc2b033115ef53 ]--- [ 84.097920] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 84.102306] Code: 89 ff e8 2e b5 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 20 db 92 02 [ 84.123311] RSP: 0018:ffffaeb541267e60 EFLAGS: 00010286 [ 84.129157] RAX: ffffffff910de9f0 RBX: 0000000000000001 RCX: 0000000000000000 [ 84.137138] RDX: 0000000000000000 RSI: ffff934b3bd1bf70 RDI: ffffffff91d9ae90 [ 84.145119] RBP: ffffffff921dd3c0 R08: 0000000000000001 R09: 0000000000000001 [ 84.153099] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 84.161079] R13: ffffaeb541267f10 R14: ffffaeb541267f10 R15: ffff934ac4045000 [ 84.169062] FS: 00007fb202a09580(0000) GS:ffff934b3bc00000(0000) knlGS:0000000000000000 [ 84.178111] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 84.184537] CR2: 00007fb202a38000 CR3: 0000000104b24000 CR4: 00000000003506f0 Unable to access opcode bytes at RIP 0x7fd91270dfd6. # [ 82.346650] RSP: 0018:ffffaeb54212fe50 EFLAGS: 00010246 # [ 82.352494] RAX: 0000000000000033 RBX: 0000000000000024 RCX: 0000000000000000 # [ 82.360470] RDX: 0000000000000000 RSI: ffff934b3bd1bf70 RDI: ffff934b3bd1bf70 # [ 82.368447] RBP: 00007fd91270e000 R08: 0000000000000000 R09: 0000000000000000 # [ 82.376426] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000f # [ 82.384406] R13: ffffaeb54212ff10 R14: ffffaeb54212ff10 R15: ffff934ac2a3f000 # [ 82.392386] FS: 00007fd9126df580(0000) GS:ffff934b3bd00000(0000) knlGS:0000000000000000 # [ 82.401432] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 82.407855] CR2: 00007fd91270e000 CR3: 0000000104f5a000 CR4: 00000000003506e0 # [ 82.415834] Call Trace: # [ 82.418581] ? lkdtm_EXEC_USERSPACE.cold+0x69/0xae # [ 82.423942] ? direct_entry.cold+0x2c/0x38 # [ 82.428529] ? full_proxy_write+0x56/0x80 # [ 82.433016] ? vfs_write+0xea/0x3a0 # [ 82.436920] ? ksys_write+0x68/0xf0 # [ 82.440824] ? do_syscall_64+0x33/0x40 # [ 82.445019] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 82.450863] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 82.466845] CR2: 00007fd91270e000 # [ 82.470550] ---[ end trace 42bc2b033115ef51 ]--- # [ 82.475718] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 82.480104] Code: 89 ff e8 2e b5 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 20 db 92 02 # [ 82.501098] RSP: 0018:ffffaeb541267e60 EFLAGS: 00010286 # [ 82.506941] RAX: ffffffff910de9f0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 82.514921] RDX: 0000000000000000 RSI: ffff934b3bd1bf70 RDI: ffffffff91d9ae90 # [ 82.522901] RBP: ffffffff921dd3c0 R08: 0000000000000001 R09: 0000000000000001 # [ 82.530883] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 82.538861] R13: ffffaeb541267f10 R14: ffffaeb541267f10 R15: ffff934ac4045000 # [ 82.546843] FS: 00007fd9126df580(0000) GS:ffff934b3bd00000(0000) knlGS:0000000000000000 # [ 82.555892] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 82.562316] CR2: 00007fd91270e000 CR3: 0000000104f5a000 CR4: 00000000003506e0 # EXEC_USERSPACE: saw 'call trace:': ok ok 35 selftests: lkdtm: EXEC_USERSPACE.sh # selftests: lkdtm: EXEC_NULL.sh # Killed # [ 82.900869] lkdtm: Performing direct entry EXEC_NULL # [ 82.911775] lkdtm: attempting ok execution at ffffffff910dedc0 # [ 82.924510] lkdtm: attempting bad execution at 0000000000000000 # [ 82.931167] BUG: kernel NULL pointer dereference, address: 0000000000000000 # [ 82.945174] #PF: supervisor instruction fetch in kernel mode # [ 82.951502] #PF: error_code(0x0010) - not-present page # [ 82.957250] PGD 0 P4D 0 # [ 82.966295] Oops: 0010 [#11] SMP PTI # [ 82.970296] CPU: 0 PID: 1819 Comm: cat Tainted: G D W 5.10.147-cip18 #1 # [ 82.985168] Hardw[ 84.491208] lkdtm: Performing direct entry ACCESS_NULL [ 84.503130] lkdtm: attempting bad read at 0000000000000000 [ 84.509322] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 84.517112] #PF: supervisor read access in kernel mode are name: Google Coral/Coral, BIOS 09/29/2020 # [ 82.991791][ 84.522854] #PF: error_code(0x0000) - not-present page RIP: 0010:0x0 # [ 82.994713] Code: Unable to access opcode b[ 84.534813] PGD 0 P4D 0 [ 84.543861] Oops: 0000 [#13] SMP PTI ytes at RIP 0xffffffffffffffd6. # [ 83.002391] RSP: 0018:ffff[ 84.547852] CPU: 0 PID: 1889 Comm: cat Tainted: G D W 5.10.147-cip18 #1 [ 84.562717] Hardware name: Google Coral/Coral, BIOS 09/29/2020 aeb5421afe48 EFLAGS: 00010246 # [ 83.008237] RAX: 00000000000[ 84.569347] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53 000[33 RBX: 0000000000000000 RCX: 0000000000000000 # [ 83.0162 84.580813] Code: ad 99 fd ff be 00 10 00 00 48 89 ef e8 cd 99 3c ff e9 69 ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 18 30 18 92 e8 87 99 fd ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 40 30 18 92 48 01 [ 84.608031] RSP: 0018:ffffaeb54226fe58 EFLAGS: 00010246 17] RDX: 0000000000000000 RSI: ffff934b3bc1bf70 RDI: ffff934b3bc[ 84.613875] RAX: 000000000000002e RBX: 0000000000000027 RCX: 0000000000000000 [ 84.628069] RDX: 0000000000000000 RSI: ffff934b3bc1bf70 RDI: ffff934b3bc1bf70 [ 84.636052] RBP: ffffffff92182109 R08: 0000000000000000 R09: 0000000000000000 [ 84.644031] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c [ 84.652011] R13: ffffaeb54226ff10 R14: ffffaeb54226ff10 R15: ffff934ac4e96000 [ 84.659994] FS: 00007ff2db7e9580(0000) GS:ffff934b3bc00000(0000) knlGS:0000000000000000 1bf70 # [ 83.024198] RBP: 0000000000000000 R08: 0000000000000[ 84.669040] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 84.681676] CR2: 0000000000000000 CR3: 0000000103faa000 CR4: 00000000003506f0 [ 84.689656] Call Trace: 000 R09: 0000000000000000 # [ 83.032179] R10: 00000000ffffe00[ 84.692398] direct_entry.cold+0x2c/0x38 0 R11: 3fffffffffffffff R12: 000000000000000a # [ 83.040161] [ 84.703003] full_proxy_write+0x56/0x80 R13: ffffaeb5421aff10 R14: ffffaeb5421aff10 R15: ffff934ac592100[ 84.713516] vfs_write+0xea/0x3a0 0 # [ 83.048142] FS: 00007fd672a90580(0000) GS:ffff934b3bc00[ 84.723437] ksys_write+0x68/0xf0 000(0000) knlGS:0000000000000000 # [ 83.057191] CS: 0010 DS[ 84.733365] do_syscall_64+0x33/0x40 [ 84.743486] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 84.749139] RIP: 0033:0x7ff2db6ff8f3 [ 84.753136] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 84.774136] RSP: 002b:00007fff8f0a6d38 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 84.782604] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007ff2db6ff8f3 [ 84.790585] RDX: 000000000000000c RSI: 00007ff2db5f2000 RDI: 0000000000000001 [ 84.798564] RBP: 00007ff2db5f2000 R08: 00007ff2db5f1010 R09: 0000000000000000 [ 84.806543] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 84.814523] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 84.822515] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 84.838499] CR2: 0000000000000000 [ 84.842209] ---[ end trace 42bc2b033115ef54 ]--- [ 84.847378] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 84.851768] Code: 89 ff e8 2e b5 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 20 db 92 02 [ 84.872770] RSP: 0018:ffffaeb541267e60 EFLAGS: 00010286 [ 84.878616] RAX: ffffffff910de9f0 RBX: 0000000000000001 RCX: 0000000000000000 [ 84.886598] RDX: 0000000000000000 RSI: ffff934b3bd1bf70 RDI: ffffffff91d9ae90 [ 84.894577] RBP: ffffffff921dd3c0 R08: 0000000000000001 R09: 0000000000000001 [ 84.902556] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 84.910536] R13: ffffaeb541267f10 R14: ffffaeb541267f10 R15: ffff934ac4045000 [ 84.918514] FS: 00007ff2db7e9580(0000) GS:ffff934b3bc00000(0000) knlGS:0000000000000000 [ 84.927565] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 84.933991] CR2: 0000000000000000 CR3: 0000000103faa000 CR4: 00000000003506f0 [ 84.941974] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 84.951898] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1889, name: cat [ 84.960363] INFO: lockdep is turned off. [ 84.964746] irq event stamp: 0 [ 84.968155] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 84.975166] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 84.984314] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 84.993462] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 85.000474] CPU: 0 PID: 1889 Comm: cat Tainted: G D W 5.10.147-cip18 #1 [ 85.009121] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 85.015740] Call Trace: [ 85.018479] dump_stack+0x77/0x9b [ 85.022191] ___might_sleep.cold+0xa6/0xb6 [ 85.026779] exit_signals+0x1c/0x2e0 [ 85.030780] do_exit+0xd5/0xb00 [ 85.034300] ? ksys_write+0x68/0xf0 [ 85.038207] rewind_stack_do_exit+0x17/0x20 [ 85.042883] RIP: 0033:0x7ff2db6ff8f3 [ 85.046880] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 85.067881] RSP: 002b:00007fff8f0a6d38 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 85.076351] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007ff2db6ff8f3 [ 85.084329] RDX: 000000000000000c RSI: 00007ff2db5f2000 RDI: 0000000000000001 [ 85.092309] RBP: 00007ff2db5f2000 R08: 00007ff2db5f1010 R09: 0000000000000000 [ 85.100290] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 85.108271] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 85.494908] lkdtm: Performing direct entry WRITE_RO [ 85.500402] lkdtm: attempting bad rodata write at ffffffff91d9b310 [ 85.507350] BUG: unable to handle page fault for address: ffffffff91d9b310 [ 85.515061] #PF: supervisor write access in kernel mode [ 85.520905] #PF: error_code(0x0003) - permissions violation : 0000 ES: 0000 CR0: 0000000080050033 # [ 83.063617] CR2: fff[ 85.527135] PGD 2e229067 P4D 2e229067 PUD 2e22a063 PMD 800000002da001e1 [ 85.540860] Oops: 0003 [#14] SMP PTI fffffffffffd6 CR3: 0000000103fe0000 CR4: 00000000003506f0 # [ [ 85.544862] CPU: 0 PID: 1924 Comm: cat Tainted: G D W 5.10.147-cip18 #1 [ 85.559732] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 85.566364] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a [ 85.571335] Code: 00 48 c7 c7 f8 2e 18 92 48 c7 c6 10 b3 d9 91 e8 31 9c fd ff 48 8b 05 87 dd 65 00 ba 34 12 cd ab 48 c7 c7 28 2f 18 92 48 31 d0 <48> 89 05 71 dd 65 00 e9 0f 9c fd ff 0f 1f 44 00 00 48 8b 05 80 0d [ 85.592339] RSP: 0018:ffffaeb5422d7e60 EFLAGS: 00010202 [ 85.598183] RAX: 000000000198b861 RBX: 0000000000000028 RCX: 0000000000000000 [ 85.606161] RDX: 00000000abcd1234 RSI: ffff934b3bc1bf70 RDI: ffffffff92182f28 [ 85.614143] RBP: ffffffff92182115 R08: 0000000000000000 R09: 0000000000000000 [ 85.622123] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000009 [ 85.630102] R13: ffffaeb5422d7f10 R14: ffffaeb5422d7f10 R15: ffff934ac372b000 [ 85.638085] FS: 00007fc36ca51580(0000) GS:ffff934b3bc00000(0000) knlGS:0000000000000000 [ 85.647135] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 85.653561] CR2: ffffffff91d9b310 CR3: 000000010372c000 CR4: 00000000003506f0 [ 85.661543] Call Trace: [ 85.664282] direct_entry.cold+0x2c/0x38 [ 85.668675] full_proxy_write+0x56/0x80 [ 85.672970] vfs_write+0xea/0x3a0 [ 85.676679] ksys_write+0x68/0xf0 [ 85.680382] do_syscall_64+0x33/0x40 [ 85.684386] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 85.690036] RIP: 0033:0x7fc36c9678f3 [ 85.694023] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 85.715015] RSP: 002b:00007ffd5d296878 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 85.723507] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007fc36c9678f3 [ 85.731487] RDX: 0000000000000009 RSI: 00007fc36c85a000 RDI: 0000000000000001 [ 85.739464] RBP: 00007fc36c85a000 R08: 00007fc36c859010 R09: 0000000000000000 [ 85.747444] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 85.755426] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 85.763419] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 85.779404] CR2: ffffffff91d9b310 [ 85.783114] ---[ end trace 42bc2b033115ef55 ]--- [ 85.788273] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 85.792660] Code: 89 ff e8 2e b5 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 20 db 92 02 [ 85.813660] RSP: 0018:ffffaeb541267e60 EFLAGS: 00010286 [ 85.819504] RAX: ffffffff910de9f0 RBX: 0000000000000001 RCX: 0000000000000000 [ 85.827484] RDX: 0000000000000000 RSI: ffff934b3bd1bf70 RDI: ffffffff91d9ae90 [ 85.835464] RBP: ffffffff921dd3c0 R08: 0000000000000001 R09: 0000000000000001 [ 85.843444] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 85.851423] R13: ffffaeb541267f10 R14: ffffaeb541267f10 R15: ffff934ac4045000 [ 85.859404] FS: 00007fc36ca51580(0000) GS:ffff934b3bc00000(0000) knlGS:0000000000000000 [ 85.868452] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 85.874877] CR2: ffffffff91d9b310 CR3: 000000010372c000 CR4: 00000000003506f0 [ 85.882858] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 85.892783] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1924, name: cat [ 85.901248] INFO: lockdep is turned off. [ 85.905634] irq event stamp: 0 [ 85.909051] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 85.916062] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 85.925207] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 85.934356] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 85.941367] CPU: 0 PID: 1924 Comm: cat Tainted: G D W 5.10.147-cip18 #1 [ 85.950029] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 85.956649] Call Trace: [ 85.959390] dump_stack+0x77/0x9b [ 85.963102] ___might_sleep.cold+0xa6/0xb6 [ 85.967689] exit_signals+0x1c/0x2e0 [ 85.971691] do_exit+0xd5/0xb00 [ 85.975205] ? ksys_write+0x68/0xf0 [ 85.979111] rewind_stack_do_exit+0x17/0x20 [ 85.983789] RIP: 0033:0x7fc36c9678f3 [ 85.987788] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 86.008791] RSP: 002b:00007ffd5d296878 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 83.071596] Call Trace: # [ 83.074341] execute_location+0x48[ 86.017262] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007fc36c9678f3 [ 86.031456] RDX: 0000000000000009 RSI: 00007fc36c85a000 RDI: 0000000000000001 [ 86.039437] RBP: 00007fc36c85a000 R08: 00007fc36c859010 R09: 0000000000000000 [ 86.047415] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 86.055395] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 /0x56 # [ 83.078636] direct_entry.cold+0x2c/0x38 # [ 83.083029] full_proxy_write+0x56/0x80 # [ 83.087323] vfs_write+0xea/0x3a0 # [ 83.091032] ksys_write+0x68/0xf0 # [ 83.094733] do_syscall_64+0x33/0x40 # [ 83.098735] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 83.110584] RIP: 0033:0x7fd6729a68f3 # [ 83.114584] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 83.135589] RSP: 002b:00007ffccf5e90a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 83.144060] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fd6729a68f3 # [ 83.152039] RDX: 000000000000000a RSI: 00007fd672899000 RDI: 0000000000000001 # [ 83.160018] RBP: 00007fd672899000 R08: 00007fd672898010 R09: 0000000000000000 # [ 83.167996] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 83.175972] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 83.183964] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 83.199946] CR2: 0000000000000000 # [ 83.203654] ---[ end trace 42bc2b033115ef52 ]--- # [ 83.208822] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 83.213207] Code: 89 ff e8 2e b5 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 20 db 92 02 # [ 83.234212] RSP: 0018:ffffaeb541267e60 EFLAGS: 00010286 # [ 83.240056] RAX: ffffffff910de9f0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 83.248035] RDX: 0000000000000000 RSI: ffff934b3bd1bf70 RDI: ffffffff91d9ae90 # [ 83.256011] RBP: ffffffff921dd3c0 R08: 0000000000000001 R09: 0000000000000001 # [ 83.263989] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 83.271970] R13: ffffaeb541267f10 R14: ffffaeb541267f10 R15: ffff934ac4045000 # [ 83.279953] FS: 00007fd672a90580(0000) GS:ffff934b3bc00000(0000) knlGS:0000000000000000 # [ 83.289004] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 83.295429] CR2: ffffffffffffffd6 CR3: 0000000103fe0000 CR4: 00000000003506f0 # [ 83.303412] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 83.313338] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1819, name: cat # [ 83.321803] INFO: lockdep is turned off. # [ 83.326188] irq event stamp: 0 # [ 83.329601] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 83.336615] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 83.345763] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 83.354909] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 83.361922] CPU: 0 PID: 1819 Comm: cat Tainted: G D W 5.10.147-cip18 #1 # [ 83.370582] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 83.377201] Call Trace: # [ 83.379943] dump_stack+0x77/0x9b # [ 83.383651] ___might_sleep.cold+0xa6/0xb6 # [ 83.388236] exit_signals+0x1c/0x2e0 # [ 83.392235] do_exit+0xd5/0xb00 # [ 83.395748] ? ksys_write+0x68/0xf0 # [ 83.399656] rewind_stack_do_exit+0x17/0x20 # [ 83.404335] RIP: 0033:0x7fd6729a68f3 # [ 83.408333] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 83.429335] RSP: 002b:00007ffccf5e90a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 83.437802] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fd6729a68f3 # [ 83.445783] RDX: 000000[ 86.432744] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT [ 86.443264] lkdtm: attempting bad ro_after_init write at ffffffff921fe330 [ 86.450911] BUG: unable to handle page fault for address: ffffffff921fe330 [ 86.458607] #PF: supervisor write access in kernel mode [ 86.464451] #PF: error_code(0x0003) - permissions violation [ 86.470683] PGD 2e229067 P4D 2e229067 PUD 2e22a063 PMD 800000002de001e1 [ 86.478194] Oops: 0003 [#15] SMP PTI [ 86.482197] CPU: 0 PID: 1959 Comm: cat Tainted: G D W 5.10.147-cip18 #1 [ 86.490853] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 86.497483] RIP: 0010:lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a [ 86.503524] Code: 2f 18 92 e9 e3 9b fd ff 48 c7 c7 80 2f 18 92 e8 d7 9b fd ff 48 8b 05 4d 0d ac 00 ba 34 12 cd ab 48 c7 c7 28 2f 18 92 48 31 d0 <48> 89 05 37 0d ac 00 e9 b5 9b fd ff 0f 1f 44 00 00 41 54 48 c7 c7 [ 86.524528] RSP: 0018:ffffaeb542347e60 EFLAGS: 00010202 [ 86.530374] RAX: 00000000fe67479e RBX: 0000000000000029 RCX: 0000000000000000 [ 86.538355] RDX: 00000000abcd1234 RSI: ffff934b3bc1bf70 RDI: ffffffff92182f28 [ 86.546336] RBP: ffffffff9218211e R08: 0000000000000000 R09: 0000000000000000 [ 86.554317] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000014 [ 86.562297] R13: ffffaeb542347f10 R14: ffffaeb542347f10 R15: ffff934ac585a000 [ 86.570275] FS: 00007f5487fce580(0000) GS:ffff934b3bc00000(0000) knlGS:0000000000000000 [ 86.579320] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 86.585744] CR2: ffffffff921fe330 CR3: 000000010373c000 CR4: 00000000003506f0 [ 86.593721] Call Trace: [ 86.596462] direct_entry.cold+0x2c/0x38 [ 86.600855] full_proxy_write+0x56/0x80 [ 86.605149] vfs_write+0xea/0x3a0 [ 86.608858] ksys_write+0x68/0xf0 [ 86.612567] do_syscall_64+0x33/0x40 [ 86.616569] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 86.622220] RIP: 0033:0x7f5487ee48f3 [ 86.626211] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 86.647212] RSP: 002b:00007ffd2d1d5eb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 86.655678] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f5487ee48f3 [ 86.663661] RDX: 0000000000000014 RSI: 00007f5487dd7000 RDI: 0000000000000001 [ 86.671641] RBP: 00007f5487dd7000 R08: 00007f5487dd6010 R09: 0000000000000000 [ 86.679620] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 86.687598] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 000000000a RSI: 00007fd672899000 RDI: 0000000000000001 # [ 83[ 86.695588] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 86.717783] CR2: ffffffff921fe330 [ 86.721492] ---[ end trace 42bc2b033115ef56 ]--- [ 86.726649] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 86.731035] Code: 89 ff e8 2e b5 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 20 db 92 02 [ 86.752037] RSP: 0018:ffffaeb541267e60 EFLAGS: 00010286 [ 86.757879] RAX: ffffffff910de9f0 RBX: 0000000000000001 RCX: 0000000000000000 [ 86.765859] RDX: 0000000000000000 RSI: ffff934b3bd1bf70 RDI: ffffffff91d9ae90 [ 86.773837] RBP: ffffffff921dd3c0 R08: 0000000000000001 R09: 0000000000000001 [ 86.781816] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 86.789796] R13: ffffaeb541267f10 R14: ffffaeb541267f10 R15: ffff934ac4045000 [ 86.797774] FS: 00007f5487fce580(0000) GS:ffff934b3bc00000(0000) knlGS:0000000000000000 [ 86.806823] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 86.813247] CR2: ffffffff921fe330 CR3: 000000010373c000 CR4: 00000000003506f0 .453763] RBP: 00007fd672899000 R08: 00007fd672898010 R09: 0000000000000000 # [ 83.461742] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 83.469723] 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 # [ 83.800198] lkdtm: Performing direct entry ACCESS_USERSPACE # [ 83.807430] lkdtm: attempting bad read at 00007fb202a38000 # [ 83.813608] BUG: unable to handle page fault for address: 00007fb202a38000 # [ 83.821298] #PF: supervisor read access in kernel mode # [ 83.827042] #PF: error_code(0x0001) - permissions violation # [ 83.833272] PGD 8000000102785067 P4D 8000000102785067 PUD 103cf2067 PMD 1048dc067 PTE 11413b067 # [ 83.849230] Oops: 0001 [#12] SMP PTI # [ 83.853232] CPU: 0 PID: 1854 Comm: cat Tainted: G D W 5.10.147-cip18 #1 # [ 83.868100] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 83.874733] RIP: 0010:lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3 # [ 83.880968] Code: 00 00 00 75 64 48 83 c4 10 5d c3 cc cc cc cc 48 89 ee 48 c7 c7 18 30 18 92 e8 09 9a fd ff 48 c7 c7 40 30 18 92 b8 de c0 de c0 <48> 03 45 00 48 89 04 24 e8 f0 99 fd ff 48 89 ee 48 c7 c7 68 30 18 # [ 83.901972] RSP: 0018:ffffaeb54220fe48 EFLAGS: 00010246 # [ 83.907820] RAX: 00000000c0dec0de RBX: 0000000000000026 RCX: 0000000000000000 # [ 83.915800] RDX: 0000000000000000 RSI: ffff934b3bc1bf70 RDI: ffffffff92183040 # [ 83.923780] RBP: 00007fb202a38000 R08: 0000000000000000 R09: 0000000000000000 # [ 83.931760] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000011 # [ 83.939740] R13: ffffaeb54220ff10 R14: ffffaeb54220ff10 R15: ffff934ac4dd0000 # [ 83.947719] FS: 00007fb202a09580(0000) GS:ffff934b3bc00000(0000) knlGS:0000000000000000 # [ 83.956770] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 83.963195] CR2: 00007fb202a38000 CR3: 0000000104b24000 CR4: 00000000003506f0 # [ 83.971174] Call Trace: # [ 83.973919] direct_entry.cold+0x2c/0x38 # [ 83.978304] full_proxy_write+0x56/0x80 # [ 83.982598] vfs_write+0xea/0x3a0 # [ 83.986309] ksys_write+0x68/0xf0 # [ 83.990019] do_syscall_64+0x33/0x40 # [ 83.994023] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 83.999676] RIP: 0033:0x7fb20291f8f3 # [ 84.003678] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 84.024684] RSP: 002b:00007ffda1f6ec78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 84.033150] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007fb20291f8f3 # [ 84.041130] RDX: 0000000000000011 RSI: 00007fb202812000 RDI: 0000000000000001 # [ 84.049109] RBP: 00007fb202812000 R08: 00007fb202811010 R09: 0000000000000000 # [ 84.057089] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 84.065069] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 84.073060] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 84.089041] CR2: 00007fb202a38000 # [ 84.092750] --[ 87.144392] lkdtm: Performing direct entry WRITE_KERN -[ end trace 42bc2b033115ef53 ]--- # [ 84.097920] RIP: 0010:l[ 87.150347] lkdtm: attempting bad 6678339 byte write at ffffffff9173d503 kdtm_BUG+0x5/0x10 # [ 84.102306] Code: 89 ff e8 2e b5 a3 ff 4[ 87.164104] BUG: unable to handle page fault for address: ffffffff9173d503 [ 87.177961] #PF: supervisor write access in kernel mode [ 87.183804] #PF: error_code(0x0003) - permissions violation [ 87.190035] PGD 2e229067 P4D 2e229067 PUD 2e22a063 PMD 2d4001e1 [ 87.196768] Oops: 0003 [#16] SMP PTI [ 87.200770] CPU: 1 PID: 1994 Comm: cat Tainted: G D W 5.10.147-cip18 #1 [ 87.209430] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 87.216062] RIP: 0010:lkdtm_WRITE_KERN+0x38/0x4e [ 87.221226] Code: 53 48 c7 c3 03 d5 73 91 49 89 dc 48 89 da 49 81 ec c0 ed 0d 91 4c 89 e6 e8 8a 9b fd ff 48 89 df 4c 89 e1 48 c7 c6 c0 ed 0d 91 a4 48 c7 c7 28 2f 18 92 e8 6f 9b fd ff 5b 41 5c e9 b7 fe ff ff [ 87.242228] RSP: 0018:ffffaeb5423a7e50 EFLAGS: 00010246 [ 87.248072] RAX: 000000000000003c RBX: ffffffff9173d503 RCX: 000000000065e743 [ 87.256052] RDX: 0000000000000000 RSI: ffffffff910dedc0 RDI: ffffffff9173d503 [ 87.264029] RBP: ffffffff92182132 R08: 0000000000000000 R09: 0000000000000000 [ 87.272007] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000065e743 [ 87.279988] R13: ffffaeb5423a7f10 R14: ffffaeb5423a7f10 R15: ffff934ac3dd5000 [ 87.287969] FS: 00007f2a2d59f580(0000) GS:ffff934b3bd00000(0000) knlGS:0000000000000000 [ 87.297019] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 87.303442] CR2: ffffffff9173d503 CR3: 000000010373c000 CR4: 00000000003506e0 [ 87.311420] Call Trace: [ 87.314165] direct_entry.cold+0x2c/0x38 [ 87.318558] full_proxy_write+0x56/0x80 [ 87.322852] vfs_write+0xea/0x3a0 [ 87.326559] ksys_write+0x68/0xf0 [ 87.330270] do_syscall_64+0x33/0x40 [ 87.334271] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 87.339925] RIP: 0033:0x7f2a2d4b58f3 [ 87.343924] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 87.364925] RSP: 002b:00007ffe254a1398 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 87.373393] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f2a2d4b58f3 [ 87.381371] RDX: 000000000000000b RSI: 00007f2a2d3a8000 RDI: 0000000000000001 [ 87.389352] RBP: 00007f2a2d3a8000 R08: 00007f2a2d3a7010 R09: 0000000000000000 [ 87.397330] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 87.405307] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 87.413299] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 87.429282] CR2: ffffffff9173d503 [ 87.432989] ---[ end trace 42bc2b033115ef57 ]--- [ 87.438157] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 87.442545] Code: 89 ff e8 2e b5 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 20 db 92 02 [ 87.463544] RSP: 0018:ffffaeb541267e60 EFLAGS: 00010286 [ 87.469387] RAX: ffffffff910de9f0 RBX: 0000000000000001 RCX: 0000000000000000 [ 87.477369] RDX: 0000000000000000 RSI: ffff934b3bd1bf70 RDI: ffffffff91d9ae90 [ 87.485347] RBP: ffffffff921dd3c0 R08: 0000000000000001 R09: 0000000000000001 [ 87.493329] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 87.501306] R13: ffffaeb541267f10 R14: ffffaeb541267f10 R15: ffff934ac4045000 [ 87.509290] FS: 00007f2a2d59f580(0000) GS:ffff934b3bd00000(0000) knlGS:0000000000000000 [ 87.518339] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 87.524762] CR2: ffffffff9173d503 CR3: 000000010373c000 CR4: 00000000003506e0 [ 87.532745] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 87.542669] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1994, name: cat [ 87.551134] INFO: lockdep is turned off. [ 87.555517] irq event stamp: 0 [ 87.558931] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 87.565944] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 87.575085] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 87.584232] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 87.591242] CPU: 1 PID: 1994 Comm: cat Tainted: G D W 5.10.147-cip18 #1 [ 87.599900] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 87.606517] Call Trace: [ 87.609257] dump_stack+0x77/0x9b [ 87.612965] ___might_sleep.cold+0xa6/0xb6 [ 87.617548] exit_signals+0x1c/0x2e0 [ 87.621550] do_exit+0xd5/0xb00 [ 87.625063] ? ksys_write+0x68/0xf0 [ 87.628968] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 [ 87.634427] rewind_stack_do_exit+0x17/0x20 [ 87.639097] RIP: 0033:0x7f2a2d4b58f3 [ 87.643096] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 87.664096] RSP: 002b:00007ffe254a1398 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 87.672566] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f2a2d4b58f3 [ 87.680542] RDX: 000000000000000b RSI: 00007f2a2d3a8000 RDI: 0000000000000001 [ 87.688522] RBP: 00007f2a2d3a8000 R08: 00007f2a2d3a7010 R09: 0000000000000000 [ 87.696501] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 87.704476] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 8 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 20 db 92 02 # [ 84.123311] RSP: 0018:ffffaeb541267e60 EFLAGS: 00010286 # [ 84.129157] RAX: ffffffff910de9f0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 84.137138] RDX: 0000000000000000 RSI: ffff934b3bd1bf70 RDI: ffffffff91d9ae90 # [ 84.145119] RBP: ffffffff921dd3c0 R08: 0000000000000001 R09: 0000000000000001 # [ 84.153099] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 84.161079] R13: ffffaeb541267f10 R14: ffffaeb541267f10 R15: ffff934ac4045000 # [ 84.169062] FS: 00007fb202a09580(0000) GS:ffff934b3bc00000(0000) knlGS:0000000000000000 # [ 84.178111] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 84.184537] CR2: 00007fb202a38000 CR3: 0000000104b24000 CR4: 00000000003506f0 # ACCESS_USERSPACE: saw 'call trace:': ok ok 37 selftests: lkdtm: ACCESS_USERSPACE.sh # selftests: lkdtm: ACCESS_NULL.sh # Killed # [ 84.491208] lkdtm: Performing direct entry ACCESS_NULL # [ 84.503130] lkdtm: attempting bad read at 0000000000000000 # [ 84.509322] BUG: kernel NULL pointer dereference, address: 0000000000000000 # [ 84.517112] #PF: supervisor read access in kernel mode # [ 84.522854] #PF: error_code(0x0000) - not-present page # [ 84.534813] PGD 0 P4D 0 # [ 84.543861] Oops: 0000 [#13] SMP PTI # [ 84.547852] CPU: 0 PID: 1889 Comm: cat Tainted: G D W 5.10.147-cip18 #1 # [ 84.562717] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 84.569347] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53 # [ 84.580813] Code: ad 99 fd ff be 00 10 00 00 48 89 ef e8 cd 99 3c ff e9 69 ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 18 30 18 92 e8 87 99 fd ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 40 30 18 92 48 01 # [ 84.608031] RSP: 0018:ffffaeb54226fe58 EFLAGS: 00010246 # [ 84.613875] RAX: 000000000000002e RBX: 0000000000000027 RCX: 0000000000000000 # [ 84.628069] RDX: 0000000000000000 RSI: ffff934b3bc1bf70 RDI: ffff934b3bc1bf70 # [ 84.636052] RBP: ffffffff92182109 R08: 0000000000000000 R09: 0000000000000000 # [ 84.644031] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c # [ 84.652011] R13: ffffaeb54226ff10 R14: ffffaeb54226ff10 R15: ffff934ac4e96000 # [ 84.659994] FS: 00007ff2db7e9580(0000) GS:ffff934b3bc00000(0000) knlGS:0000000000000000 # [ 84.669040] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 84.681676] CR2: 0000000000000000 CR3: 0000000103faa000 CR4: 00000000003506f0 # [ 84.689656] Call Trace: # [ 84.692398] direct_entry.cold+0x2c/0x38 # [ 84.703003] full_proxy_write+0x56/0x80 # [ 84.713516] vfs_write+0xea/0x3a0 # [ 84.723437] ksys_write+0x68/0xf0 # [ 84.733365] do_syscall_64+0x33/0x40 # [ 84.743486] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 84.749139] RIP: 0033:0x7ff2db6ff8f3 # [ 84.753136] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 84.774136] RSP: 002b:00007fff8f0a6d38 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 84.782604] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007ff2db6ff8f3 # [ 84.790585] RDX: 000000000000000c RSI: 00007ff2db5f2000 RDI: 0000000000000001 # [ 84.798564] RBP: 00007ff2db5f2000 R08: 00007ff2db5f1010 R09: 0000000000000000 # [ 84.806543] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 000000[ 88.057803] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW [ 88.067497] lkdtm: attempting good refcount_inc() without overflow [ 88.074454] lkdtm: attempting bad refcount_inc() overflow 0000000001 # [ 84.814523] R13: 0000000000000001 R14: 00000000[ 88.080515] ------------[ cut here ]------------ 00020000 R15: 0000000000020000 # [ 84.822515] Modules linked [ 88.091899] refcount_t: saturated; leaking memory. in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysf[ 88.103528] WARNING: CPU: 0 PID: 2029 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 s cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_no[ 88.119143] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 88.141325] CPU: 0 PID: 2029 Comm: cat Tainted: G D W 5.10.147-cip18 #1 [ 88.150007] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 88.156656] RIP: 0010:refcount_warn_saturate+0x51/0x110 [ 88.162523] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 41 35 94 01 00 75 ee 48 c7 c7 78 db 11 92 c6 05 31 35 94 01 01 e8 0a 75 95 00 <0f> 0b c3 cc cc cc cc 80 3d 1d 35 94 01 00 75 cb 48 c7 c7 a0 db 11 [ 88.183557] RSP: 0018:ffffaeb54240fe48 EFLAGS: 00010286 [ 88.189424] RAX: 0000000000000000 RBX: 000000000000002b RCX: 0000000000000000 [ 88.197421] RDX: ffff934b3bc2c660 RSI: ffff934b3bc1bf70 RDI: ffff934b3bc1bf70 [ 88.205421] RBP: ffffffff9218213d R08: 0000000000000000 R09: 0000000000000000 [ 88.213423] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 [ 88.221424] R13: ffffaeb54240ff10 R14: ffffaeb54240ff10 R15: ffff934ac4d72000 [ 88.229429] FS: 00007f7c875be580(0000) GS:ffff934b3bc00000(0000) knlGS:0000000000000000 [ 88.238498] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 88.244951] CR2: 00007f7c873c7000 CR3: 00000001048dc000 CR4: 00000000003506f0 [ 88.252960] Call Trace: [ 88.255726] lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x98 [ 88.261114] direct_entry.cold+0x2c/0x38 [ 88.265528] full_proxy_write+0x56/0x80 [ 88.269846] vfs_write+0xea/0x3a0 [ 88.273577] ksys_write+0x68/0xf0 [ 88.277310] do_syscall_64+0x33/0x40 [ 88.281328] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 88.286994] RIP: 0033:0x7f7c874d48f3 [ 88.291014] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 88.312041] RSP: 002b:00007fff8aa4b848 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 88.320541] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f7c874d48f3 [ 88.328544] RDX: 0000000000000016 RSI: 00007f7c873c7000 RDI: 0000000000000001 [ 88.336548] RBP: 00007f7c873c7000 R08: 00007f7c873c6010 R09: 0000000000000000 [ 88.344551] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 88.352557] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 88.360572] irq event stamp: 0 [ 88.364008] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 88.371042] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 88.380212] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 88.389387] softirqs last disabled at (0): [<0000000000000000>] 0x0 tify # [ 84.838499] CR2: 0000000000000000 # [ 84.842209] -[ 88.396414] ---[ end trace 42bc2b033115ef58 ]--- --[ end trace 42bc2b033115ef54 ]--- # [ 84.847378] RIP: 0010:[ 88.407802] lkdtm: Overflow detected: saturated lkdtm_BUG+0x5/0x10 # [ 84.851768] Code: 89 ff e8 2e b5 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 20 db 92 02 # [ 84.872770] RSP: 0018:ffffaeb541267e60 EFLAGS: 00010286 # [ 84.878616] RAX: ffffffff910de9f0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 84.886598] RDX: 0000000000000000 RSI: ffff934b3bd1bf70 RDI: ffffffff91d9ae90 # [ 84.894577] RBP: ffffffff921dd3c0 R08: 0000000000000001 R09: 0000000000000001 # [ 84.902556] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 84.910536] R13: ffffaeb541267f10 R14: ffffaeb541267f10 R15: ffff934ac4045000 # [ 84.918514] FS: 00007ff2db7e9580(0000) GS:ffff934b3bc00000(0000) knlGS:0000000000000000 # [ 84.927565] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 84.933991] CR2: 0000000000000000 CR3: 0000000103faa000 CR4: 00000000003506f0 # [ 84.941974] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 84.951898] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1889, name: cat # [ 84.960363] INFO: lockdep is turned off. # [ 84.964746] irq event stamp: 0 # [ 84.968155] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 84.975166] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 84.984314] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 84.993462] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 85.000474] CPU: 0 PID: 1889 Comm: cat Tainted: G D W 5.10.147-cip18 #1 # [ 85.009121] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 85.015740] Call Trace: # [ 85.018479] dump_stack+0x77/0x9b # [ 85.022191] ___might_sleep.cold+0xa6/0xb6 # [ 85.026779] exit_signals+0x1c/0x2e0 # [ 85.030780] do_exit+0xd5/0xb00 # [ 85.034300] ? ksys_write+0x68/0xf0 # [ 85.038207] rewind_stack_do_exit+0x17/0x20 # [ 85.042883] RIP: 0033:0x7ff2db6ff8f3 # [ 85.046880] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 85.067881] RSP: 002b:00007fff8f0a6d38 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 85.076351] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007ff2db6ff8f3 # [ 85.084329] RDX: 000000000000000c RSI: 00007ff2db5f2000 RDI: 0000000000000001 # [ 85.092309] RBP: 00007ff2db5f2000 R08: 00007ff2db5f1010 R09: 0000000000000000 # [ 85.100290] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 85.108271] 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 # [ 85.494908] lkdtm: Performing direct entry WRITE_RO # [ 85.500402] lkdtm: attempting bad rodata write at ffffffff91d9b310 # [ 85.507350] BUG: unable to handle page fault for address: ffffffff91d9b310 # [ 85.515061] #PF: supervisor write access in kernel mode # [ 85.520905] #PF: error_code(0x0003) - permissions violation # [ 85.527135] PGD 2e229067 P4D 2e229067 PUD 2e22a063 PMD 800000002da001e1 # [ 85.540860] Oops: 0003 [#14] SMP PTI # [ 85.544862] CPU: 0 PID: 1924 Comm: cat Tainted: G D W 5.10.147-cip18 #1 # [ 85.559732] Hardware name: Google [ 88.757957] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW Coral/Coral, BIOS 09/29/2020 # [ 85.566364] RIP: 0010:lkdtm_[ 88.767929] lkdtm: attempting good refcount_add() without overflow WRITE_RO+0x2e/0x3a # [ 85.571335] Code: 00 48 c7 c7 f8 2e 18 [ 88.781078] lkdtm: attempting bad refcount_add() overflow 92 48 c7 c6 10 b3 d9 91 e8 31 9c fd ff 48 8b 05 87 dd 65 00 ba 3[ 88.793372] ------------[ cut here ]------------ 4 12 cd ab 48 c7 c7 28 2f 18 92 48 31 d0 <48> 89 05 71 dd 65 00 [ 88.804769] refcount_t: saturated; leaking memory. e9 0f 9c fd ff 0f 1f 44 00 00 48 8b 05 80 0d # [ 85.592339] R[ 88.816385] WARNING: CPU: 1 PID: 2061 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 SP: 0018:ffffaeb5422d7e60 EFLAGS: 00010202 # [ 85.598183] RAX[ 88.832268] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify : 000000000198b861 RBX: 0000000000000028 RCX: 0000000000000000 [ 88.854310] CPU: 1 PID: 2061 Comm: cat Tainted: G D W 5.10.147-cip18 #1 # [ 85.606161] RDX: 00000000abcd1234 RSI: ffff934b3bc1bf70 RDI[ 88.869266] Hardware name: Google Coral/Coral, BIOS 09/29/2020 : ffffffff92182f28 # [ 85.614143] RBP: ffffffff92182115 R08: [ 88.881966] RIP: 0010:refcount_warn_saturate+0x51/0x110 0000000000000000 R09: 0000000000000000 # [ 85.622123] R10: 00[ 88.894125] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 41 35 94 01 00 75 ee 48 c7 c7 78 db 11 92 c6 05 31 35 94 01 01 e8 0a 75 95 00 <0f> 0b c3 cc cc cc cc 80 3d 1d 35 94 01 00 75 cb 48 c7 c7 a0 db 11 000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000009 # [ [ 88.921317] RSP: 0018:ffffaeb542467e48 EFLAGS: 00010286 85.630102] R13: ffffaeb5422d7f10 R14: ffffaeb5422d7f10 R15: ff[ 88.933400] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000 ff934ac372b000 # [ 85.638085] FS: 00007fc36ca51580(0000) GS:[ 88.947580] RDX: ffff934b3bd2c660 RSI: ffff934b3bd1bf70 RDI: ffff934b3bd1bf70 ffff934b3bc00000(0000) knlGS:0000000000000000 # [ 85.647135] [ 88.961810] RBP: ffffffff92182153 R08: 0000000000000000 R09: 0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 85.6535[ 88.975999] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 61] CR2: ffffffff91d9b310 CR3: 000000010372c000 CR4: 00000000003[ 88.990252] R13: ffffaeb542467f10 R14: ffffaeb542467f10 R15: ffff934ac4d0b000 506f0 # [ 85.661543] Call Trace: # [ 85.664282] direct_en[ 89.004437] FS: 00007f8415498580(0000) GS:ffff934b3bd00000(0000) knlGS:0000000000000000 try.cold+0x2c/0x38 # [ 85.668675] full_proxy_write+0x56/0x80[ 89.019741] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 85.672970] vfs_write+0xea/0x3a0 # [ 85.676679] ksys[ 89.032364] CR2: 00007f84152a1000 CR3: 0000000103fee000 CR4: 00000000003506e0 _write+0x68/0xf0 # [ 85.680382] do_syscall_64+0x33/0x40 # [[ 89.046610] Call Trace: 85.684386] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 8[ 89.055563] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa7 5.690036] RIP: 0033:0x7fc36c9678f3 # [ 85.694023] Code: 8b 15[ 89.067170] direct_entry.cold+0x2c/0x38 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 [ 89.077733] full_proxy_write+0x56/0x80 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d[ 89.088225] vfs_write+0xea/0x3a0 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 89.098161] ksys_write+0x68/0xf0 [ 85.715015] RSP: 002b:00007ffd5d296878 EFLAGS: 00000246 ORIG_[ 89.108162] do_syscall_64+0x33/0x40 RAX: 0000000000000001 # [ 85.723507] RAX: ffffffffffffffda RB[ 89.118347] entry_SYSCALL_64_after_hwframe+0x61/0xc6 X: 0000000000000009 RCX: 00007fc36c9678f3 # [ 85.731487] RDX:[ 89.130195] RIP: 0033:0x7f84153ae8f3 0000000000000009 RSI: 00007fc36c85a000 RDI: 0000000000000001 #[ 89.140469] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 85.739464] RBP: 00007fc36c85a000 R08: 00007fc36c859010 R09:[ 89.167649] RSP: 002b:00007ffd2c549f98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 0000000000000000 # [ 85.747444] R10: fffffffffffffbc5 R11: 0[ 89.182364] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f84153ae8f3 000000000000246 R12: 0000000000000001 # [ 85.755426] R13: 000[ 89.196551] RDX: 0000000000000016 RSI: 00007f84152a1000 RDI: 0000000000000001 0000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ [ 89.210796] RBP: 00007f84152a1000 R08: 00007f84152a0010 R09: 0000000000000000 85.763419] Modules linked in: fuse ip_tables cros_ec_lightbar c[ 89.224989] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 ros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_therma[ 89.239206] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 l cros_ec_dev cros_usbpd_notify # [ 85.779404] CR2: ffffffff9[ 89.253402] irq event stamp: 0 1d9b310 # [ 85.783114] ---[ end trace 42bc2b033115ef55 ]--- [ 89.263037] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 85.788273] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 85.792660] [ 89.276307] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 Code: 89 ff e8 2e b5 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 e[ 89.291671] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 a ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00[ 89.307068] softirqs last disabled at (0): [<0000000000000000>] 0x0 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 20 d[ 89.320293] ---[ end trace 42bc2b033115ef59 ]--- b 92 02 # [ 85.813660] RSP: 0018:ffffaeb541267e60 EFLAGS: 000[ 89.331707] lkdtm: Overflow detected: saturated 10286 # [ 85.819504] RAX: ffffffff910de9f0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 85.827484] RDX: 0000000000000000 RSI: ffff934b3bd1bf70 RDI: ffffffff91d9ae90 # [ 85.835464] RBP: ffffffff921dd3c0 R08: 0000000000000001 R09: 0000000000000001 # [ 85.843444] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 85.851423] R13: ffffaeb541267f10 R14: ffffaeb541267f10 R15: ffff934ac4045000 # [ 85.859404] FS: 00007fc36ca51580(0000) GS:ffff934b3bc00000(0000) knlGS:0000000000000000 # [ 85.868452] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 85.874877] CR2: ffffffff91d9b310 CR3: 000000010372c000 CR4: 00000000003506f0 # [ 85.882858] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 85.892783] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1924, name: cat # [ 85.901248] INFO: lockdep is turned off. # [ 85.905634] irq event stamp: 0 # [ 85.909051] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 85.916062] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 85.925207] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 85.934356] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 85.941367] CPU: 0 PID: 1924 Comm: cat Tainted: G D W 5.10.147-cip18 #1 # [ 85.950029] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 85.956649] Call Trace: # [ 85.959390] dump_stack+0x77/0x9b # [ 85.963102] ___might_sleep.cold+0xa6/0xb6 # [ 85.967689] exit_signals+0x1c/0x2e0 # [ 85.971691] do_exit+0xd5/0xb00 # [ 85.975205] ? ksys_write+0x68/0xf0 # [ 85.979111] rewind_stack_do_exit+0x17/0x20 # [ 85.983789] RIP: 0033:0x7fc36c9678f3 # [ 85.987788] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 86.008791] RSP: 002b:00007ffd5d296878 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 86.017262] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007fc36c9678f3 # [ 86.031456] RDX: 0000000000000009 RSI: 00007fc36c85a000 RDI: 0000000000000001 # [ 86.039437] RBP: 00007fc36c85a000 R08: 00007fc36c859010 R09: 0000000000000000 # [ 86.047415] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 86.055395] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # WRITE_RO: saw 'call trace:': ok ok 39 selftests: lkdtm: WRITE_RO.sh # selftests: lkdtm: WRITE_RO_AFTER_INIT.sh # Killed # [ 86.432744] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT # [ 86.443264] lkdtm: attempting bad ro_after_init write at ffffffff921fe330 # [ 86.450911] BUG: unable to handle page fault for address: ffffffff921fe330 # [ 86.458607] #PF: supervisor write access in kernel mode # [ 86.464451] #PF: error_code(0x0003) - permissions violation # [ 86.470683] PGD 2e229067 P4D 2e229067 PUD 2e22a063 PMD 800000002de001e1 # [ 86.478194] Oops: 0003 [#15] SMP PTI # [ 86.482197] CPU: 0 PID: 1959 Comm: cat Tainted: G D W 5.10.147-cip18 #1 # [ 86.490853] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 86.497483] RIP: 0010:lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a # [ 86.503524] Code: 2f 18 92 e9 e3 9b fd ff 48 c7 c7 80 2f 18 92 e8 d7 9b fd ff 48 8b 05 4d 0d ac 00 ba 34 12 cd ab 48 c7 c7 28 2f 18 92 48 31 d0 <48> 89 05 37 0d ac 00 e9 b5 9b fd ff 0f 1f 44 00 00 41 54 48 c7 c7 # [ 86.524528] RSP: 0018:ffffaeb542347e60 EFLAGS: 00010202 # [ 86.530374] RAX: 0[ 89.691212] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW 0000000fe67479e RBX: 0000000000000029 RCX: 0000000000000000 # [[ 89.705074] lkdtm: attempting bad refcount_inc_not_zero() overflow 86.538355] RDX: 00000000abcd1234 RSI: ffff934b3bc1bf70 RDI: f[ 89.718233] ------------[ cut here ]------------ fffffff92182f28 # [ 86.546336] RBP: ffffffff9218211e R08: 000[ 89.729628] refcount_t: saturated; leaking memory. 0000000000000 R09: 0000000000000000 # [ 86.554317] R10: 00000[ 89.741242] WARNING: CPU: 1 PID: 2093 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 000ffffe000 R11: 3fffffffffffffff R12: 0000000000000014 # [ 8[ 89.756929] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 6.562297] R13: ffffaeb542347f10 R14: ffffaeb542347f10 R15: ffff9[ 89.779114] CPU: 1 PID: 2093 Comm: cat Tainted: G D W 5.10.147-cip18 #1 34ac585a000 # [ 86.570275] FS: 00007f5487fce580(0000) GS:fff[ 89.793954] Hardware name: Google Coral/Coral, BIOS 09/29/2020 f934b3bc00000(0000) knlGS:0000000000000000 # [ 86.579320] CS:[ 89.806816] RIP: 0010:refcount_warn_saturate+0x97/0x110 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 86.585744][ 89.818915] Code: 01 01 e8 e7 74 95 00 0f 0b c3 cc cc cc cc 80 3d fc 34 94 01 00 75 a8 48 c7 c7 78 db 11 92 c6 05 ec 34 94 01 01 e8 c4 74 95 00 <0f> 0b c3 cc cc cc cc 80 3d d6 34 94 01 00 75 85 48 c7 c7 d0 db 11 CR2: ffffffff921fe330 CR3: 000000010373c000 CR4: 00000000003506[ 89.846150] RSP: 0018:ffffaeb5424bfe38 EFLAGS: 00010282 f0 # [ 86.593721] Call Trace: # [ 86.596462] direct_entry[ 89.858202] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 .cold+0x2c/0x38 # [ 86.600855] full_proxy_write+0x56/0x80 #[ 89.872418] RDX: ffff934b3bd2c660 RSI: ffff934b3bd1bf70 RDI: ffff934b3bd1bf70 [ 86.605149] vfs_write+0xea/0x3a0 # [ 86.608858] ksys_wr[ 89.886664] RBP: ffffffff92181d90 R08: 0000000000000000 R09: 0000000000000000 ite+0x68/0xf0 # [ 86.612567] do_syscall_64+0x33/0x40 # [ [ 89.900851] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f 86.616569] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 86.6[ 89.915085] R13: ffffaeb5424bff10 R14: ffffaeb5424bff10 R15: ffff934ac4be2000 22220] RIP: 0033:0x7f5487ee48f3 # [ 86.626211] Code: 8b 15 a1[ 89.929285] FS: 00007fcf4a293580(0000) GS:ffff934b3bd00000(0000) knlGS:0000000000000000 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 [ 89.944583] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00[ 89.957229] CR2: 00007fcf4a09c000 CR3: 0000000104098000 CR4: 00000000003506e0 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ [ 89.971464] Call Trace: 86.647212] RSP: 002b:00007ffd2d1d5eb8 EFLAGS: 00000246 ORIG_RAX[ 89.980432] __refcount_add_not_zero.constprop.0+0x2a/0x35 : 0000000000000001 # [ 86.655678] RAX: ffffffffffffffda RBX: [ 89.992831] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x76 0000000000000014 RCX: 00007f5487ee48f3 # [ 86.663661] RDX: 00[ 90.005535] direct_entry.cold+0x2c/0x38 00000000000014 RSI: 00007f5487dd7000 RDI: 0000000000000001 # [ [ 90.015927] full_proxy_write+0x56/0x80 86.671641] RBP: 00007f5487dd7000 R08: 00007f5487dd6010 R09: 00[ 90.026639] vfs_write+0xea/0x3a0 00000000000000 # [ 86.679620] R10: fffffffffffffbc5 R11: 0000[ 90.036358] ksys_write+0x68/0xf0 000000000246 R12: 0000000000000001 # [ 86.687598] R13: 000000[ 90.046374] do_syscall_64+0x33/0x40 0000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 86[ 90.056552] entry_SYSCALL_64_after_hwframe+0x61/0xc6 .695588] Modules linked in: fuse ip_tables cros_ec_lightbar cros[ 90.068454] RIP: 0033:0x7fcf4a1a98f3 _ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal c[ 90.078667] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 ros_ec_dev cros_usbpd_notify # [ 86.717783] CR2: ffffffff921f[ 90.105895] RSP: 002b:00007ffc63b28478 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 e330 # [ 86.721492] ---[ end trace 42bc2b033115ef56 ]--- # [[ 90.120561] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fcf4a1a98f3 86.726649] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 86.731035] Cod[ 90.134931] RDX: 000000000000001f RSI: 00007fcf4a09c000 RDI: 0000000000000001 e: 89 ff e8 2e b5 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea f[ 90.148974] RBP: 00007fcf4a09c000 R08: 00007fcf4a09b010 R09: 0000000000000000 f ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00[ 90.163252] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 20 db 9[ 90.177396] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 2 02 # [ 86.752037] RSP: 0018:ffffaeb541267e60 EFLAGS: 000102[ 90.191731] irq event stamp: 0 86 # [ 86.757879] RAX: ffffffff910de9f0 RBX: 0000000000000001[ 90.201248] hardirqs last enabled at (0): [<0000000000000000>] 0x0 RCX: 0000000000000000 # [ 86.765859] RDX: 0000000000000000 R[ 90.214665] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 SI: ffff934b3bd1bf70 RDI: ffffffff91d9ae90 # [ 86.773837] RBP[ 90.229908] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 : ffffffff921dd3c0 R08: 0000000000000001 R09: 0000000000000001 [ 90.245291] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 86.781816] R10: 00000000ffffe000 R11: 3fffffffffffffff R12[ 90.258516] ---[ end trace 42bc2b033115ef5a ]--- : 0000000000000004 # [ 86.789796] R13: ffffaeb541267f10 R14: [ 90.269962] lkdtm: Overflow detected: saturated ffffaeb541267f10 R15: ffff934ac4045000 # [ 86.797774] FS: 00007f5487fce580(0000) GS:ffff934b3bc00000(0000) knlGS:0000000000000000 # [ 86.806823] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 86.813247] CR2: ffffffff921fe330 CR3: 000000010373c000 CR4: 00000000003506f0 # WRITE_RO_AFTER_INIT: saw 'call trace:': ok ok 40 selftests: lkdtm: WRITE_RO_AFTER_INIT.sh # selftests: lkdtm: WRITE_KERN.sh # Killed # [ 87.144392] lkdtm: Performing direct entry WRITE_KERN # [ 87.150347] lkdtm: attempting bad 6678339 byte write at ffffffff9173d503 # [ 87.164104] BUG: unable to handle page fault for address: ffffffff9173d503 # [ 87.177961] #PF: supervisor write access in kernel mode # [ 87.183804] #PF: error_code(0x0003) - permissions violation # [ 87.190035] PGD 2e229067 P4D 2e229067 PUD 2e22a063 PMD 2d4001e1 # [ 87.196768] Oops: 0003 [#16] SMP PTI # [ 87.200770] CPU: 1 PID: 1994 Comm: cat Tainted: G D W 5.10.147-cip18 #1 # [ 87.209430] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 87.216062] RIP: 0010:lkdtm_WRITE_KERN+0x38/0x4e # [ 87.221226] Code: 53 48 c7 c3 03 d5 73 91 49 89 dc 48 89 da 49 81 ec c0 ed 0d 91 4c 89 e6 e8 8a 9b fd ff 48 89 df 4c 89 e1 48 c7 c6 c0 ed 0d 91 a4 48 c7 c7 28 2f 18 92 e8 6f 9b fd ff 5b 41 5c e9 b7 fe ff ff # [ 87.242228] RSP: 0018:ffffaeb5423a7e50 EFLAGS: 00010246 # [ 87.248072] RAX: 000000000000003c RBX: ffffffff9173d503 RCX: 000000000065e743 # [ 87.256052] RDX: 0000000000000000 RSI: ffffffff910dedc0 RDI: ffffffff9173d503 # [ 87.264029] RBP: ffffffff92182132 R08: 0000000000000000 R09: 0000000000000000 # [ 87.272007] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000065e743 # [ 87.279988] R13: ffffaeb5423a7f10 R14: ffffaeb5423a7f10 R15: ffff934ac3dd5000 # [ 87.287969] FS: 00007f2a2d59f580(0000) GS:ffff934b3bd00000(0000) knlGS:0000000000000000 # [ 87.297019] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 87.303442] CR2: ffffffff9173d503 CR3: 000000010373c000 CR4: 00000000003506e0 # [ 87.311420] Call Trace: # [ 87.314165] direct_entry.cold+0x2c/0x38 # [ 87.318558] full_proxy_write+0x56/0x80 # [ 87.322852] vfs_write+0xea/0x3a0 # [ 87.326559] ksys_write+0x68/0xf0 # [ 87.330270] do_syscall_64+0x33/0x40 # [ 87.334271] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 87.339925] RIP: 0033:0x7f2a2d4b58f3 # [ 87.343924] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 87.364925] RSP: 002b:00007ffe254a1398 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 87.373393] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f2a2d4b58f3 # [ 87.381371] RDX: 000000000000000b RSI: 00007f2a2d3a8000 RDI: 0000000000000001 # [ 87.389352] RBP: 00007f2a2d3a8000 R08: 00007f2a2d3a7010 R09: 0000000000000000 # [ 87.397330] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 87.405307] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 87.413299] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 87.429282] CR2: ffffffff9173d503 # [ 87.432989] ---[ end trace 42bc2b033115ef57 ]--- # [ 87.438157] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 87.442545] Code[ 90.614976] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW : 89 ff e8 2e b5 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff[ 90.624948] lkdtm: attempting bad refcount_add_not_zero() overflow ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 [ 90.637835] ------------[ cut here ]------------ <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 20 db 92[ 90.649415] refcount_t: saturated; leaking memory. 02 # [ 87.463544] RSP: 0018:ffffaeb541267e60 EFLAGS: 0001028[ 90.660818] WARNING: CPU: 1 PID: 2125 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 6 # [ 87.469387] RAX: ffffffff910de9f0 RBX: 0000000000000001 [ 90.676650] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify RCX: 0000000000000000 # [ 87.477369] RDX: 0000000000000000 RS[ 90.698617] CPU: 1 PID: 2125 Comm: cat Tainted: G D W 5.10.147-cip18 #1 I: ffff934b3bd1bf70 RDI: ffffffff91d9ae90 # [ 87.485347] RBP:[ 90.713629] Hardware name: Google Coral/Coral, BIOS 09/29/2020 ffffffff921dd3c0 R08: 0000000000000001 R09: 0000000000000001 #[ 90.726397] RIP: 0010:refcount_warn_saturate+0x97/0x110 [ 87.493329] R10: 00000000ffffe000 R11: 3fffffffffffffff R12:[ 90.738549] Code: 01 01 e8 e7 74 95 00 0f 0b c3 cc cc cc cc 80 3d fc 34 94 01 00 75 a8 48 c7 c7 78 db 11 92 c6 05 ec 34 94 01 01 e8 c4 74 95 00 <0f> 0b c3 cc cc cc cc 80 3d d6 34 94 01 00 75 85 48 c7 c7 d0 db 11 0000000000000004 # [ 87.501306] R13: ffffaeb541267f10 R14: f[ 90.765669] RSP: 0018:ffffaeb542517e38 EFLAGS: 00010282 fffaeb541267f10 R15: ffff934ac4045000 # [ 87.509290] FS: 000[ 90.777761] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 07f2a2d59f580(0000) GS:ffff934b3bd00000(0000) knlGS:000000000000[ 90.791934] RDX: ffff934b3bd2c660 RSI: ffff934b3bd1bf70 RDI: ffff934b3bd1bf70 0000 # [ 87.518339] CS: 0010 DS: 0000 ES: 0000 CR0: 00000000[ 90.806141] RBP: ffffffff92181db0 R08: 0000000000000000 R09: 0000000000000000 80050033 # [ 87.524762] CR2: ffffffff9173d503 CR3: 0000000103[ 90.820364] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f 73c000 CR4: 00000000003506e0 # [ 87.532745] BUG: sleeping fun[ 90.834586] R13: ffffaeb542517f10 R14: ffffaeb542517f10 R15: ffff934ac3c0d000 ction called from invalid context at include/linux/percpu-rwsem.[ 90.848768] FS: 00007fe9cea2f580(0000) GS:ffff934b3bd00000(0000) knlGS:0000000000000000 h:49 # [ 87.542669] in_atomic(): 0, irqs_disabled(): 1, non_b[ 90.864087] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 lock: 0, pid: 1994, name: cat # [ 87.551134] INFO: lockdep is[ 90.876720] CR2: 00007fe9ce838000 CR3: 0000000104fec000 CR4: 00000000003506e0 turned off. # [ 87.555517] irq event stamp: 0 # [ 87.5589[ 90.890898] Call Trace: 31] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [[ 90.899879] __refcount_add_not_zero.constprop.0+0x2a/0x35 87.565944] hardirqs last disabled at (0): [[ 90.912271] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x76 ] copy_process+0x640/0x1c80 # [ 87.575085] softirqs last ena[ 90.924668] direct_entry.cold+0x2c/0x38 bled at (0): [] copy_process+0x640/0x1c80 # [[ 90.935379] full_proxy_write+0x56/0x80 87.584232] softirqs last disabled at (0): [<0000000000000000>[ 90.945877] vfs_write+0xea/0x3a0 ] 0x0 # [ 87.591242] CPU: 1 PID: 1994 Comm: cat Tainted: G [ 90.955839] ksys_write+0x68/0xf0 D W 5.10.147-cip18 #1 # [ 87.599900] Hardware name[ 90.965791] do_syscall_64+0x33/0x40 : Google Coral/Coral, BIOS 09/29/2020 # [ 87.606517] Call Tr[ 90.975917] entry_SYSCALL_64_after_hwframe+0x61/0xc6 ace: # [ 87.609257] dump_stack+0x77/0x9b # [ 87.612965] [ 90.987860] RIP: 0033:0x7fe9ce9458f3 ___might_sleep.cold+0xa6/0xb6 # [ 87.617548] exit_signals+0x[ 90.998025] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 1c/0x2e0 # [ 87.621550] do_exit+0xd5/0xb00 # [ 87.625063][ 91.025273] RSP: 002b:00007ffc48701808 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 ? ksys_write+0x68/0xf0 # [ 87.628968] ? lkdtm_SLAB_FREE_CR[ 91.039933] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fe9ce9458f3 OSS.cold+0x32/0x32 # [ 87.634427] rewind_stack_do_exit+0x17/[ 91.054200] RDX: 000000000000001f RSI: 00007fe9ce838000 RDI: 0000000000000001 0x20 # [ 87.639097] RIP: 0033:0x7f2a2d4b58f3 # [ 87.643096[ 91.068347] RBP: 00007fe9ce838000 R08: 00007fe9ce837010 R09: 0000000000000000 ] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb[ 91.082562] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 [ 91.096747] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89[ 91.111000] irq event stamp: 0 54 24 18 # [ 87.664096] RSP: 002b:00007ffe254a1398 EFLAGS: 0[ 91.120560] hardirqs last enabled at (0): [<0000000000000000>] 0x0 0000246 ORIG_RAX: 0000000000000001 # [ 87.672566] RAX: ffffff[ 91.133781] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 ffffffffda RBX: 000000000000000b RCX: 00007f2a2d4b58f3 # [ 87[ 91.149220] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 .680542] RDX: 000000000000000b RSI: 00007f2a2d3a8000 RDI: 000000[ 91.164533] softirqs last disabled at (0): [<0000000000000000>] 0x0 0000000001 # [ 87.688522] RBP: 00007f2a2d3a8000 R08: 00007f2a[ 91.177808] ---[ end trace 42bc2b033115ef5b ]--- 2d3a7010 R09: 0000000000000000 # [ 87.696501] R10: ffffffffff[ 91.189146] lkdtm: Overflow detected: saturated fffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 87.704476] 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 # [ 88.057803] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW # [ 88.067497] lkdtm: attempting good refcount_inc() without overflow # [ 88.074454] lkdtm: attempting bad refcount_inc() overflow # [ 88.080515] ------------[ cut here ]------------ # [ 88.091899] refcount_t: saturated; leaking memory. # [ 88.103528] WARNING: CPU: 0 PID: 2029 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 88.119143] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 88.141325] CPU: 0 PID: 2029 Comm: cat Tainted: G D W 5.10.147-cip18 #1 # [ 88.150007] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 88.156656] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 88.162523] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 41 35 94 01 00 75 ee 48 c7 c7 78 db 11 92 c6 05 31 35 94 01 01 e8 0a 75 95 00 <0f> 0b c3 cc cc cc cc 80 3d 1d 35 94 01 00 75 cb 48 c7 c7 a0 db 11 # [ 88.183557] RSP: 0018:ffffaeb54240fe48 EFLAGS: 00010286 # [ 88.189424] RAX: 0000000000000000 RBX: 000000000000002b RCX: 0000000000000000 # [ 88.197421] RDX: ffff934b3bc2c660 RSI: ffff934b3bc1bf70 RDI: ffff934b3bc1bf70 # [ 88.205421] RBP: ffffffff9218213d R08: 0000000000000000 R09: 0000000000000000 # [ 88.213423] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 88.221424] R13: ffffaeb54240ff10 R14: ffffaeb54240ff10 R15: ffff934ac4d72000 # [ 88.229429] FS: 00007f7c875be580(0000) GS:ffff934b3bc00000(0000) knlGS:0000000000000000 # [ 88.238498] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 88.244951] CR2: 00007f7c873c7000 CR3: 00000001048dc000 CR4: 00000000003506f0 # [ 88.252960] Call Trace: # [ 88.255726] lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x98 # [ 88.261114] direct_entry.cold+0x2c/0x38 # [ 88.265528] full_proxy_write+0x56/0x80 # [ 88.269846] vfs_write+0xea/0x3a0 # [ 88.273577] ksys_write+0x68/0xf0 # [ 88.277310] do_syscall_64+0x33/0x40 # [ 88.281328] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 88.286994] RIP: 0033:0x7f7c874d48f3 # [ 88.291014] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 88.312041] RSP: 002b:00007fff8aa4b848 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 88.320541] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f7c874d48f3 # [ 88.328544] RDX: 0000000000000016 RSI: 00007f7c873c7000 RDI: 0000000000000001 # [ 88.336548] RBP: 00007f7c873c7000 R08: 00007f7c873c6010 R09: 0000000000000000 # [ 88.344551] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 88.352557] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 88.360572] irq event stamp: 0 # [ 88.364008] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 88.371042] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 88.380212] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 8[ 91.531059] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO [ 91.542604] lkdtm: attempting good refcount_dec() [ 91.547909] lkdtm: attempting bad refcount_dec() to zero [ 91.553873] ------------[ cut here ]------------ 8.389387] softirqs last disabled at (0): [<0000000000000000>] 0x[ 91.559055] refcount_t: decrement hit 0; leaking memory. 0 # [ 88.396414] ---[ end trace 42bc2b033115ef58 ]--- # [ [ 91.571267] WARNING: CPU: 0 PID: 2157 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 88.407802] lkdtm: Overflow detected: saturated # REFCOUNT_INC_O[ 91.586878] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 91.609070] CPU: 0 PID: 2157 Comm: cat Tainted: G D W 5.10.147-cip18 #1 VERFLOW: saw 'call trace:': ok ok 42 selftests: lkdtm: REFCOUNT[ 91.617751] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 91.630669] RIP: 0010:refcount_warn_saturate+0xfb/0x110 [ 91.636578] Code: 28 dc 11 92 c6 05 9d 34 94 01 01 e8 7a 74 95 00 0f 0b c3 cc cc cc cc 48 c7 c7 f8 db 11 92 c6 05 84 34 94 01 01 e8 60 74 95 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b [ 91.657610] RSP: 0018:ffffaeb542577e48 EFLAGS: 00010286 [ 91.663480] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000 [ 91.671488] RDX: ffff934b3bc2c660 RSI: ffff934b3bc1bf70 RDI: ffff934b3bc1bf70 [ 91.679491] RBP: ffffffff92182169 R08: 0000000000000000 R09: 0000000000000000 [ 91.687493] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 [ 91.695487] R13: ffffaeb542577f10 R14: ffffaeb542577f10 R15: ffff934ac371b000 [ 91.703482] FS: 00007f811e833580(0000) GS:ffff934b3bc00000(0000) knlGS:0000000000000000 [ 91.712553] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 91.718993] CR2: 00007f811e63c000 CR3: 000000010372c000 CR4: 00000000003506f0 [ 91.726994] Call Trace: _INC_OVERFLOW.sh # selftests: lkdtm: REFCOUNT_ADD_OVERFLOW.sh [ 91.729762] lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xbd [ 91.740956] direct_entry.cold+0x2c/0x38 [ 91.745370] full_proxy_write+0x56/0x80 [ 91.749679] vfs_write+0xea/0x3a0 [ 91.753402] ksys_write+0x68/0xf0 [ 91.757137] do_syscall_64+0x33/0x40 [ 91.761155] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 91.766821] RIP: 0033:0x7f811e7498f3 [ 91.770843] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 91.791868] RSP: 002b:00007ffe3d299a38 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 91.800361] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f811e7498f3 [ 91.808365] RDX: 0000000000000012 RSI: 00007f811e63c000 RDI: 0000000000000001 [ 91.816370] RBP: 00007f811e63c000 R08: 00007f811e63b010 R09: 0000000000000000 [ 91.824371] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 91.832374] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 91.840389] irq event stamp: 0 [ 91.843826] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 88.757957] lkdtm: Performing direct entry REFCOUNT_ADD_OVE[ 91.850858] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 RFLOW # [ 88.767929] lkdtm: attempting good refcount_add() wi[ 91.866229] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 91.881617] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 91.888647] ---[ end trace 42bc2b033115ef5c ]--- [ 91.893831] lkdtm: Zero detected: saturated thout overflow # [ 88.781078] lkdtm: attempting bad refcount_add() overflow # [ 88.793372] ------------[ cut here ]------------ # [ 88.804769] refcount_t: saturated; leaking memory. # [ 88.816385] WARNING: CPU: 1 PID: 2061 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 88.832268] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 88.854310] CPU: 1 PID: 2061 Comm: cat Tainted: G D W 5.10.147-cip18 #1 # [ 88.869266] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 88.881966] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 88.894125] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 41 35 94 01 00 75 ee 48 c7 c7 78 db 11 92 c6 05 31 35 94 01 01 e8 0a 75 95 00 <0f> 0b c3 cc cc cc cc 80 3d 1d 35 94 01 00 75 cb 48 c7 c7 a0 db 11 # [ 88.921317] RSP: 0018:ffffaeb542467e48 EFLAGS: 00010286 # [ 88.933400] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000 # [ 88.947580] RDX: ffff934b3bd2c660 RSI: ffff934b3bd1bf70 RDI: ffff934b3bd1bf70 # [ 88.961810] RBP: ffffffff92182153 R08: 0000000000000000 R09: 0000000000000000 # [ 88.975999] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 88.990252] R13: ffffaeb542467f10 R14: ffffaeb542467f10 R15: ffff934ac4d0b000 # [ 89.004437] FS: 00007f8415498580(0000) GS:ffff934b3bd00000(0000) knlGS:0000000000000000 # [ 89.019741] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 89.032364] CR2: 00007f84152a1000 CR3: 0000000103fee000 CR4: 00000000003506e0 # [ 89.046610] Call Trace: # [ 89.055563] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa7 # [ 89.067170] direct_entry.cold+0x2c/0x38 # [ 89.077733] full_proxy_write+0x56/0x80 # [ 89.088225] vfs_write+0xea/0x3a0 # [ 89.098161] ksys_write+0x68/0xf0 # [ 89.108162] do_syscall_64+0x33/0x40 # [ 89.118347] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 89.130195] RIP: 0033:0x7f84153ae8f3 # [ 89.140469] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 89.167649] RSP: 002b:00007ffd2c549f98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 89.182364] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f84153ae8f3 # [ 89.196551] RDX: 0000000000000016 RSI: 00007f84152a1000 RDI: 0000000000000001 # [ 89.210796] RBP: 00007f84152a1000 R08: 00007f84152a0010 R09: 0000000000000000 # [ 89.224989] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 89.239206] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 89.253402] irq event stamp: 0 # [ 89.263037] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 89.276307] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 89.291671] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 89.307068] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 89.320293] ---[ end trace 42bc2b033115ef59 ]--- # [ 89.331707] 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 # [ 89.691212] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW # [ 89.705074] lkdtm: attempting bad refcount_inc_not_zero() overflow # [ 89.718233] ------------[ cut here ]------------ # [ 89.729628] refcount_t: saturated; l[ 92.247706] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE [ 92.259974] lkdtm: attempting bad refcount_dec() below zero [ 92.266238] ------------[ cut here ]------------ eaking memory. # [ 89.741242] WARNING: CPU: 1 PID: 2093 at li[ 92.271418] refcount_t: decrement hit 0; leaking memory. [ 92.283654] WARNING: CPU: 0 PID: 2192 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 [ 92.293105] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 92.309113] CPU: 0 PID: 2192 Comm: cat Tainted: G D W 5.10.147-cip18 #1 [ 92.317806] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 92.324495] RIP: 0010:refcount_warn_saturate+0xfb/0x110 [ 92.330392] Code: 28 dc 11 92 c6 05 9d 34 94 01 01 e8 7a 74 95 00 0f 0b c3 cc cc cc cc 48 c7 c7 f8 db 11 92 c6 05 84 34 94 01 01 e8 60 74 95 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b [ 92.351415] RSP: 0018:ffffaeb5425f7e48 EFLAGS: 00010286 [ 92.357280] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000 [ 92.365281] RDX: ffff934b3bc2c660 RSI: ffff934b3bc1bf70 RDI: ffff934b3bc1bf70 [ 92.373282] RBP: ffffffff9218217b R08: 0000000000000000 R09: 0000000000000000 [ 92.381283] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 [ 92.389282] R13: ffffaeb5425f7f10 R14: ffffaeb5425f7f10 R15: ffff934ac4cf3000 [ 92.397282] FS: 00007fba5d426580(0000) GS:ffff934b3bc00000(0000) knlGS:0000000000000000 [ 92.406350] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 92.412795] CR2: 00007fba5d22f000 CR3: 00000001026aa000 CR4: 00000000003506f0 [ 92.420794] Call Trace: [ 92.423558] lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x61 [ 92.428944] direct_entry.cold+0x2c/0x38 [ 92.433347] full_proxy_write+0x56/0x80 [ 92.437664] vfs_write+0xea/0x3a0 [ 92.441396] ksys_write+0x68/0xf0 [ 92.445127] do_syscall_64+0x33/0x40 [ 92.449151] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 92.454821] RIP: 0033:0x7fba5d33c8f3 [ 92.458839] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 92.479862] RSP: 002b:00007ffe698863b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 92.488351] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fba5d33c8f3 [ 92.496351] RDX: 0000000000000016 RSI: 00007fba5d22f000 RDI: 0000000000000001 [ 92.504351] RBP: 00007fba5d22f000 R08: 00007fba5d22e010 R09: 0000000000000000 [ 92.512348] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 92.520345] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 92.528357] irq event stamp: 0 b/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 89.7569[ 92.531790] hardirqs last enabled at (0): [<0000000000000000>] 0x0 29] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_d[ 92.545029] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 ebugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_e[ 92.560404] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 92.575779] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 92.582799] ---[ end trace 42bc2b033115ef5d ]--- [ 92.587978] lkdtm: Negative detected: saturated c_dev cros_usbpd_notify # [ 89.779114] CPU: 1 PID: 2093 Comm: cat Tainted: G D W 5.10.147-cip18 #1 # [ 89.793954] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 89.806816] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 89.818915] Code: 01 01 e8 e7 74 95 00 0f 0b c3 cc cc cc cc 80 3d fc 34 94 01 00 75 a8 48 c7 c7 78 db 11 92 c6 05 ec 34 94 01 01 e8 c4 74 95 00 <0f> 0b c3 cc cc cc cc 80 3d d6 34 94 01 00 75 85 48 c7 c7 d0 db 11 # [ 89.846150] RSP: 0018:ffffaeb5424bfe38 EFLAGS: 00010282 # [ 89.858202] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 # [ 89.872418] RDX: ffff934b3bd2c660 RSI: ffff934b3bd1bf70 RDI: ffff934b3bd1bf70 # [ 89.886664] RBP: ffffffff92181d90 R08: 0000000000000000 R09: 0000000000000000 # [ 89.900851] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 89.915085] R13: ffffaeb5424bff10 R14: ffffaeb5424bff10 R15: ffff934ac4be2000 # [ 89.929285] FS: 00007fcf4a293580(0000) GS:ffff934b3bd00000(0000) knlGS:0000000000000000 # [ 89.944583] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 89.957229] CR2: 00007fcf4a09c000 CR3: 0000000104098000 CR4: 00000000003506e0 # [ 89.971464] Call Trace: # [ 89.980432] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 89.992831] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x76 # [ 90.005535] direct_entry.cold+0x2c/0x38 # [ 90.015927] full_proxy_write+0x56/0x80 # [ 90.026639] vfs_write+0xea/0x3a0 # [ 90.036358] ksys_write+0x68/0xf0 # [ 90.046374] do_syscall_64+0x33/0x40 # [ 90.056552] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 90.068454] RIP: 0033:0x7fcf4a1a98f3 # [ 90.078667] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 90.105895] RSP: 002b:00007ffc63b28478 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 90.120561] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fcf4a1a98f3 # [ 90.134931] RDX: 000000000000001f RSI: 00007fcf4a09c000 RDI: 0000000000000001 # [ 90.148974] RBP: 00007fcf4a09c000 R08: 00007fcf4a09b010 R09: 0000000000000000 # [ 90.163252] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 90.177396] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 90.191731] irq event stamp: 0 # [ 90.201248] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 90.214665] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 90.229908] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 90.245291] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 90.258516] ---[ end trace 42bc2b033115ef5a ]--- # [ 90.269962] 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 # [ 90.614976] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW # [ 90.624948] lkdtm: attempting bad refcount_add_not_zero() overflow # [ 90.637835] ------------[ cut here ]------------ # [ 90.649415] refcount_t: saturated; leaking memory. # [ 90.660818] WARNING: CPU: 1 PID: 2125 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 90.676650] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 90.698617] CPU: 1 PID: 2125 Comm: cat Tainted: G D W 5.10.147-cip18 #1 # [ 90.713629] Hardware name: [ 92.952357] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE [ 92.961711] lkdtm: attempting bad refcount_dec_and_test() below zero [ 92.968853] ------------[ cut here ]------------ [ 92.974036] refcount_t: underflow; use-after-free. [ 92.979462] WARNING: CPU: 0 PID: 2227 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 [ 92.988922] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 93.004926] CPU: 0 PID: 2227 Comm: cat Tainted: G D W 5.10.147-cip18 #1 [ 93.013615] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 93.020272] RIP: 0010:refcount_warn_saturate+0xba/0x110 [ 93.026143] Code: 01 01 e8 c4 74 95 00 0f 0b c3 cc cc cc cc 80 3d d6 34 94 01 00 75 85 48 c7 c7 d0 db 11 92 c6 05 c6 34 94 01 01 e8 a1 74 95 00 <0f> 0b c3 cc cc cc cc 80 3d b1 34 94 01 00 0f 85 5e ff ff ff 48 c7 [ 93.047170] RSP: 0018:ffffaeb54264fe40 EFLAGS: 00010286 [ 93.053041] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000 [ 93.061044] RDX: ffff934b3bc2c660 RSI: ffff934b3bc1bf70 RDI: ffff934b3bc1bf70 [ 93.069047] RBP: ffffffff92181dd0 R08: 0000000000000000 R09: 0000000000000000 [ 93.077048] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f [ 93.085058] R13: ffffaeb54264ff10 R14: ffffaeb54264ff10 R15: ffff934ac37c6000 [ 93.093063] FS: 00007f11277d5580(0000) GS:ffff934b3bc00000(0000) knlGS:0000000000000000 [ 93.102141] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 93.108589] CR2: 00007f11275de000 CR3: 0000000105864000 CR4: 00000000003506f0 [ 93.116589] Call Trace: [ 93.119361] __refcount_sub_and_test.constprop.0+0x3c/0x50 [ 93.125518] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x78 [ 93.131782] direct_entry.cold+0x2c/0x38 Google Coral/Coral, BIOS 09/29/2020 # [ 90.726397] RIP: 0010[ 93.136191] full_proxy_write+0x56/0x80 [ 93.146699] vfs_write+0xea/0x3a0 [ 93.150438] ksys_write+0x68/0xf0 [ 93.154175] do_syscall_64+0x33/0x40 [ 93.158199] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 93.163872] RIP: 0033:0x7f11276eb8f3 [ 93.167899] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 93.188927] RSP: 002b:00007ffd1badaee8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 93.197420] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f11276eb8f3 [ 93.205423] RDX: 000000000000001f RSI: 00007f11275de000 RDI: 0000000000000001 [ 93.213431] RBP: 00007f11275de000 R08: 00007f11275dd010 R09: 0000000000000000 [ 93.221441] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 :refcount_warn_saturate+0x97/0x110 # [ 90.738549] Code: 01 01[ 93.229439] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 e8 e7 74 95 00 0f 0b c3 cc cc cc cc 80 3d fc 34 94 01 00 75 a8 [ 93.243662] irq event stamp: 0 48 c7 c7 78 db 11 92 c6 05 ec 34 94 01 01 e8 c4 74 95 00 <0f> 0b[ 93.253303] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 93.266545] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 93.275722] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 93.284890] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 93.291919] ---[ end trace 42bc2b033115ef5e ]--- [ 93.297150] lkdtm: Negative detected: saturated c3 cc cc cc cc 80 3d d6 34 94 01 00 75 85 48 c7 c7 d0 db 11 # [ 90.765669] RSP: 0018:ffffaeb542517e38 EFLAGS: 00010282 # [ 90.777761] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 # [ 90.791934] RDX: ffff934b3bd2c660 RSI: ffff934b3bd1bf70 RDI: ffff934b3bd1bf70 # [ 90.806141] RBP: ffffffff92181db0 R08: 0000000000000000 R09: 0000000000000000 # [ 90.820364] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 90.834586] R13: ffffaeb542517f10 R14: ffffaeb542517f10 R15: ffff934ac3c0d000 # [ 90.848768] FS: 00007fe9cea2f580(0000) GS:ffff934b3bd00000(0000) knlGS:0000000000000000 # [ 90.864087] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 90.876720] CR2: 00007fe9ce838000 CR3: 0000000104fec000 CR4: 00000000003506e0 # [ 90.890898] Call Trace: # [ 90.899879] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 90.912271] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x76 # [ 90.924668] direct_entry.cold+0x2c/0x38 # [ 90.935379] full_proxy_write+0x56/0x80 # [ 90.945877] vfs_write+0xea/0x3a0 # [ 90.955839] ksys_write+0x68/0xf0 # [ 90.965791] do_syscall_64+0x33/0x40 # [ 90.975917] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 90.987860] RIP: 0033:0x7fe9ce9458f3 # [ 90.998025] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 91.025273] RSP: 002b:00007ffc48701808 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 91.039933] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fe9ce9458f3 # [ 91.054200] RDX: 000000000000001f RSI: 00007fe9ce838000 RDI: 0000000000000001 # [ 91.068347] RBP: 00007fe9ce838000 R08: 00007fe9ce837010 R09: 0000000000000000 # [ 91.082562] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 91.096747] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 91.111000] irq event stamp: 0 # [ 91.120560] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 91.133781] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 91.149220] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 91.164533] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 91.177808] ---[ end trace 42bc2b033115ef5b ]--- # [ 91.189146] 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 # [ 91.531059] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO # [ 91.542604] lkdtm: attempting good refcount_dec() # [ 91.547909] lkdtm: attempting bad refcount_dec() to zero # [ 91.553873] ------------[ cut here ]------------ # [ 91.559055] refcount_t: decrement hit 0; leaking memory. # [ 91.571267] WARNING: CPU: 0 PID: 2157 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 91.586878] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 91.609070] CPU: 0 PID: 2157 Comm: cat Tainted: G D W 5.10.147-cip18 #1 # [ 91.617751] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 91.630669] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 91.636578] Code: 28 dc 11 92 c6 05 9d 34 94 01 01 e8 7a 74 95 00 0f 0b c3 cc cc cc cc 48 c7 c7 f8 db 11 92 c6 05 84 34 94 01 01 e8 60 74 95 00 <[ 93.647752] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE 0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 [ 93.658234] lkdtm: attempting bad refcount_sub_and_test() below zero 8b # [ 91.657610] RSP: 0018:ffffaeb542577e48 EFLAGS: 00010286[ 93.671608] ------------[ cut here ]------------ # [ 91.663480] RAX: 0000000000000000 RBX: 000000000000002f R[ 93.682958] refcount_t: underflow; use-after-free. CX: 0000000000000000 # [ 91.671488] RDX: ffff934b3bc2c660 RSI[ 93.694690] WARNING: CPU: 1 PID: 2262 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 : ffff934b3bc1bf70 RDI: ffff934b3bc1bf70 # [ 91.679491] RBP: [ 93.710229] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify ffffffff92182169 R08: 0000000000000000 R09: 0000000000000000 # [ 93.732406] CPU: 1 PID: 2262 Comm: cat Tainted: G D W 5.10.147-cip18 #1 [ 91.687493] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: [ 93.747272] Hardware name: Google Coral/Coral, BIOS 09/29/2020 0000000000000012 # [ 91.695487] R13: ffffaeb542577f10 R14: ff[ 93.760123] RIP: 0010:refcount_warn_saturate+0xba/0x110 ffaeb542577f10 R15: ffff934ac371b000 # [ 91.703482] FS: 0000[ 93.772213] Code: 01 01 e8 c4 74 95 00 0f 0b c3 cc cc cc cc 80 3d d6 34 94 01 00 75 85 48 c7 c7 d0 db 11 92 c6 05 c6 34 94 01 01 e8 a1 74 95 00 <0f> 0b c3 cc cc cc cc 80 3d b1 34 94 01 00 0f 85 5e ff ff ff 48 c7 7f811e833580(0000) GS:ffff934b3bc00000(0000) knlGS:0000000000000[ 93.799449] RSP: 0018:ffffaeb5426afe40 EFLAGS: 00010286 000 # [ 91.712553] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008[ 93.811512] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000 0050033 # [ 91.718993] CR2: 00007f811e63c000 CR3: 00000001037[ 93.825716] RDX: ffff934b3bd2c660 RSI: ffff934b3bd1bf70 RDI: ffff934b3bd1bf70 2c000 CR4: 00000000003506f0 # [ 91.726994] Call Trace: # [ [ 93.839926] RBP: ffffffff92181df0 R08: 0000000000000000 R09: 0000000000000000 91.729762] lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xbd # [ 91.740956][ 93.854167] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f direct_entry.cold+0x2c/0x38 # [ 91.745370] full_proxy_writ[ 93.868349] R13: ffffaeb5426aff10 R14: ffffaeb5426aff10 R15: ffff934ac4e57000 e+0x56/0x80 # [ 91.749679] vfs_write+0xea/0x3a0 # [ 91.75[ 93.882590] FS: 00007ff43cce5580(0000) GS:ffff934b3bd00000(0000) knlGS:0000000000000000 3402] ksys_write+0x68/0xf0 # [ 91.757137] do_syscall_64+0x3[ 93.897848] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 3/0x40 # [ 91.761155] entry_SYSCALL_64_after_hwframe+0x61/0x[ 93.910516] CR2: 00007ff43caee000 CR3: 000000010581c000 CR4: 00000000003506e0 c6 # [ 91.766821] RIP: 0033:0x7f811e7498f3 # [ 91.770843] [ 93.924713] Call Trace: Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b[ 93.933691] __refcount_sub_and_test.constprop.0+0x3c/0x50 7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f[ 93.946099] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x7b 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 5[ 93.958796] direct_entry.cold+0x2c/0x38 4 24 18 # [ 91.791868] RSP: 002b:00007ffe3d299a38 EFLAGS: 000[ 93.969172] full_proxy_write+0x56/0x80 00246 ORIG_RAX: 0000000000000001 # [ 91.800361] RAX: ffffffff[ 93.979957] vfs_write+0xea/0x3a0 ffffffda RBX: 0000000000000012 RCX: 00007f811e7498f3 # [ 91.8[ 93.989685] ksys_write+0x68/0xf0 08365] RDX: 0000000000000012 RSI: 00007f811e63c000 RDI: 00000000[ 93.999695] do_syscall_64+0x33/0x40 00000001 # [ 91.816370] RBP: 00007f811e63c000 R08: 00007f811e[ 94.009819] entry_SYSCALL_64_after_hwframe+0x61/0xc6 63b010 R09: 0000000000000000 # [ 91.824371] R10: ffffffffffff[ 94.021740] RIP: 0033:0x7ff43cbfb8f3 fbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 91.83237[ 94.031912] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 4] R13: 0000000000000001 R14: 0000000000020000 R15: 000000000002[ 94.059139] RSP: 002b:00007ffd7f57dc88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 0000 # [ 91.840389] irq event stamp: 0 # [ 91.843826] hard[ 94.073845] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007ff43cbfb8f3 irqs last enabled at (0): [<0000000000000000>] 0x0 # [ 91.85[ 94.088051] RDX: 000000000000001f RSI: 00007ff43caee000 RDI: 0000000000000001 0858] hardirqs last disabled at (0): [] copy_p[ 94.102239] RBP: 00007ff43caee000 R08: 00007ff43caed010 R09: 0000000000000000 rocess+0x640/0x1c80 # [ 91.866229] softirqs last enabled at [ 94.116473] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 (0): [] copy_process+0x640/0x1c80 # [ 91.88[ 94.130666] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 1617] softirqs last disabled at (0): [<0000000000000000>] 0x0 #[ 94.144946] irq event stamp: 0 [ 91.888647] ---[ end trace 42bc2b033115ef5c ]--- # [ 91.8[ 94.154468] hardirqs last enabled at (0): [<0000000000000000>] 0x0 93831] lkdtm: Zero detected: saturated # REFCOUNT_DEC_ZERO: saw[ 94.167808] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 'call trace:': ok ok 46 selftests: lkdtm: REFCOUNT_DEC_ZERO.sh[ 94.183209] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # selftests: lkdtm: REFCOUNT_DEC_NEGATIVE.sh # [ 92.247706][ 94.198573] softirqs last disabled at (0): [<0000000000000000>] 0x0 lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE # [ 92.[ 94.211818] ---[ end trace 42bc2b033115ef5f ]--- 259974] lkdtm: attempting bad refcount_dec() below zero # [ 9[ 94.223161] lkdtm: Negative detected: saturated 2.266238] ------------[ cut here ]------------ # [ 92.271418] refcount_t: decrement hit 0; leaking memory. # [ 92.283654] WARNING: CPU: 0 PID: 2192 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 92.293105] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 92.309113] CPU: 0 PID: 2192 Comm: cat Tainted: G D W 5.10.147-cip18 #1 # [ 92.317806] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 92.324495] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 92.330392] Code: 28 dc 11 92 c6 05 9d 34 94 01 01 e8 7a 74 95 00 0f 0b c3 cc cc cc cc 48 c7 c7 f8 db 11 92 c6 05 84 34 94 01 01 e8 60 74 95 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 92.351415] RSP: 0018:ffffaeb5425f7e48 EFLAGS: 00010286 # [ 92.357280] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000 # [ 92.365281] RDX: ffff934b3bc2c660 RSI: ffff934b3bc1bf70 RDI: ffff934b3bc1bf70 # [ 92.373282] RBP: ffffffff9218217b R08: 0000000000000000 R09: 0000000000000000 # [ 92.381283] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 92.389282] R13: ffffaeb5425f7f10 R14: ffffaeb5425f7f10 R15: ffff934ac4cf3000 # [ 92.397282] FS: 00007fba5d426580(0000) GS:ffff934b3bc00000(0000) knlGS:0000000000000000 # [ 92.406350] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 92.412795] CR2: 00007fba5d22f000 CR3: 00000001026aa000 CR4: 00000000003506f0 # [ 92.420794] Call Trace: # [ 92.423558] lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x61 # [ 92.428944] direct_entry.cold+0x2c/0x38 # [ 92.433347] full_proxy_write+0x56/0x80 # [ 92.437664] vfs_write+0xea/0x3a0 # [ 92.441396] ksys_write+0x68/0xf0 # [ 92.445127] do_syscall_64+0x33/0x40 # [ 92.449151] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 92.454821] RIP: 0033:0x7fba5d33c8f3 # [ 92.458839] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 92.479862] RSP: 002b:00007ffe698863b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 92.488351] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fba5d33c8f3 # [ 92.496351] RDX: 0000000000000016 RSI: 00007fba5d22f000 RDI: 0000000000000001 # [ 92.504351] RBP: 00007fba5d22f000 R08: 00007fba5d22e010 R09: 0000000000000000 # [ 92.512348] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 92.520345] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 92.528357] irq event stamp: 0 # [ 92.531790] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 92.545029] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 92.560404] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 92.575779] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 92.582799] ---[ end trace 42bc2b033115ef5d ]--- # [ 92.587978] 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 # [ 92.952357] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE # [ 92.961711] lkdtm: attempting bad refcount_dec_and_test() below zero # [ 92.968853] ------------[ cut here ]------------ # [ 92.974036] refcount_t: underflow; use-after-free. # [ 92.979462] WARNING: CPU: 0 PID: 2227 at [ 94.584842] lkdtm: Performing direct entry REFCOUNT_INC_ZERO [ 94.595262] lkdtm: attempting safe refcount_inc_not_zero() from zero [ 94.602408] lkdtm: Good: zero detected [ 94.606627] lkdtm: Correctly stayed at zero lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 92.98[ 94.611324] lkdtm: attempting bad refcount_inc() from zero 8922] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec[ 94.623690] ------------[ cut here ]------------ [ 94.635064] refcount_t: addition on 0; use-after-free. _debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros[ 94.640881] WARNING: CPU: 0 PID: 2294 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 [ 94.656553] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 94.672561] CPU: 0 PID: 2294 Comm: cat Tainted: G D W 5.10.147-cip18 #1 [ 94.681241] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 94.687877] RIP: 0010:refcount_warn_saturate+0x74/0x110 _ec_dev cros_usbpd_notify # [ 93.004926] CPU: 0 PID: 2227 Com[ 94.693750] Code: 01 01 e8 0a 75 95 00 0f 0b c3 cc cc cc cc 80 3d 1d 35 94 01 00 75 cb 48 c7 c7 a0 db 11 92 c6 05 0d 35 94 01 01 e8 e7 74 95 00 <0f> 0b c3 cc cc cc cc 80 3d fc 34 94 01 00 75 a8 48 c7 c7 78 db 11 [ 94.720995] RSP: 0018:ffffaeb542707e48 EFLAGS: 00010286 [ 94.726865] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000 [ 94.734868] RDX: ffff934b3bc2c660 RSI: ffff934b3bc1bf70 RDI: ffff934b3bc1bf70 [ 94.742870] RBP: ffffffff92182191 R08: 0000000000000000 R09: 0000000000000000 [ 94.750864] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 [ 94.758866] R13: ffffaeb542707f10 R14: ffffaeb542707f10 R15: ffff934ac585b000 [ 94.766861] FS: 00007fbcc7258580(0000) GS:ffff934b3bc00000(0000) knlGS:0000000000000000 [ 94.775934] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 94.782381] CR2: 00007fbcc7061000 CR3: 0000000104ca4000 CR4: 00000000003506f0 [ 94.790389] Call Trace: [ 94.793157] lkdtm_REFCOUNT_INC_ZERO+0x99/0xc1 [ 94.798158] direct_entry.cold+0x2c/0x38 [ 94.802570] full_proxy_write+0x56/0x80 [ 94.806887] vfs_write+0xea/0x3a0 [ 94.810619] ksys_write+0x68/0xf0 [ 94.814354] do_syscall_64+0x33/0x40 [ 94.818379] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 94.824056] RIP: 0033:0x7fbcc716e8f3 [ 94.828079] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 94.849108] RSP: 002b:00007ffde7e2e2f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 94.857608] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fbcc716e8f3 [ 94.865601] RDX: 0000000000000012 RSI: 00007fbcc7061000 RDI: 0000000000000001 [ 94.873592] RBP: 00007fbcc7061000 R08: 00007fbcc7060010 R09: 0000000000000000 [ 94.881594] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 94.889587] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 m: cat Tainted: G D W 5.10.147-cip18 #1 # [ 93.0[ 94.897599] irq event stamp: 0 13615] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ [ 94.907228] hardirqs last enabled at (0): [<0000000000000000>] 0x0 93.020272] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ [ 94.920470] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 94.935839] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 94.945017] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 94.952048] ---[ end trace 42bc2b033115ef60 ]--- [ 94.957238] lkdtm: Zero detected: saturated 93.026143] Code: 01 01 e8 c4 74 95 00 0f 0b c3 cc cc cc cc 80 3d d6 34 94 01 00 75 85 48 c7 c7 d0 db 11 92 c6 05 c6 34 94 01 01 e8 a1 74 95 00 <0f> 0b c3 cc cc cc cc 80 3d b1 34 94 01 00 0f 85 5e ff ff ff 48 c7 # [ 93.047170] RSP: 0018:ffffaeb54264fe40 EFLAGS: 00010286 # [ 93.053041] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000 # [ 93.061044] RDX: ffff934b3bc2c660 RSI: ffff934b3bc1bf70 RDI: ffff934b3bc1bf70 # [ 93.069047] RBP: ffffffff92181dd0 R08: 0000000000000000 R09: 0000000000000000 # [ 93.077048] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 93.085058] R13: ffffaeb54264ff10 R14: ffffaeb54264ff10 R15: ffff934ac37c6000 # [ 93.093063] FS: 00007f11277d5580(0000) GS:ffff934b3bc00000(0000) knlGS:0000000000000000 # [ 93.102141] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 93.108589] CR2: 00007f11275de000 CR3: 0000000105864000 CR4: 00000000003506f0 # [ 93.116589] Call Trace: # [ 93.119361] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 93.125518] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x78 # [ 93.131782] direct_entry.cold+0x2c/0x38 # [ 93.136191] full_proxy_write+0x56/0x80 # [ 93.146699] vfs_write+0xea/0x3a0 # [ 93.150438] ksys_write+0x68/0xf0 # [ 93.154175] do_syscall_64+0x33/0x40 # [ 93.158199] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 93.163872] RIP: 0033:0x7f11276eb8f3 # [ 93.167899] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 93.188927] RSP: 002b:00007ffd1badaee8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 93.197420] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f11276eb8f3 # [ 93.205423] RDX: 000000000000001f RSI: 00007f11275de000 RDI: 0000000000000001 # [ 93.213431] RBP: 00007f11275de000 R08: 00007f11275dd010 R09: 0000000000000000 # [ 93.221441] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 93.229439] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 93.243662] irq event stamp: 0 # [ 93.253303] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 93.266545] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 93.275722] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 93.284890] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 93.291919] ---[ end trace 42bc2b033115ef5e ]--- # [ 93.297150] lkdtm: Negative detected: saturated # REFCOUNT_DEC_AND_TEST_NEGATIVE: saw 'Negative detected: saturated': ok ok 48 selftests: lkdtm: REFCOUNT_DEC_AND_TEST_NEGATIVE.sh # selftests: lkdtm: REFCOUNT_SUB_AND_TEST_NEGATIVE.sh # [ 93.647752] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE # [ 93.658234] lkdtm: attempting bad refcount_sub_and_test() below zero # [ 93.671608] ------------[ cut here ]------------ # [ 93.682958] refcount_t: underflow; use-after-free. # [ 93.694690] WARNING: CPU: 1 PID: 2262 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 93.710229] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 93.732406] CPU: 1 PID: 2262 Comm: cat Tainted: G D W 5.10.147-cip18 #1 # [ 93.747272] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 93.760123] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 93.772213] Code: 01 01 e8 c4 74 95 00 0f 0b c3 cc cc cc cc 80 3d d6 34 94 01 00 75 85 48 c7 c7 d0 db 11 92 c6 05 c6 34 94 01 01 e[ 95.318055] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO 8 a1 74 95 00 <0f> 0b c3 cc cc cc cc 80 3d b1 34 94 01 00 0f 85 [ 95.329229] lkdtm: attempting safe refcount_add_not_zero() from zero 5e ff ff ff 48 c7 # [ 93.799449] RSP: 0018:ffffaeb5426afe40 E[ 95.342589] lkdtm: Good: zero detected FLAGS: 00010286 # [ 93.811512] RAX: 0000000000000000 RBX: 000[ 95.353000] lkdtm: Correctly stayed at zero 0000000000032 RCX: 0000000000000000 # [ 93.825716] RDX: ffff9[ 95.363944] lkdtm: attempting bad refcount_add() from zero 34b3bd2c660 RSI: ffff934b3bd1bf70 RDI: ffff934b3bd1bf70 # [ 9[ 95.376511] ------------[ cut here ]------------ 3.839926] RBP: ffffffff92181df0 R08: 0000000000000000 R09: 00000[ 95.387760] refcount_t: addition on 0; use-after-free. 00000000000 # [ 93.854167] R10: 00000000ffffe000 R11: 3ffffff[ 95.399951] WARNING: CPU: 1 PID: 2326 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 fffffffff R12: 000000000000001f # [ 93.868349] R13: ffffaeb54[ 95.415332] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 26aff10 R14: ffffaeb5426aff10 R15: ffff934ac4e57000 # [ 93.88[ 95.437628] CPU: 1 PID: 2326 Comm: cat Tainted: G D W 5.10.147-cip18 #1 2590] FS: 00007ff43cce5580(0000) GS:ffff934b3bd00000(0000) knlG[ 95.452448] Hardware name: Google Coral/Coral, BIOS 09/29/2020 S:0000000000000000 # [ 93.897848] CS: 0010 DS: 0000 ES: 0000[ 95.465299] RIP: 0010:refcount_warn_saturate+0x74/0x110 CR0: 0000000080050033 # [ 93.910516] CR2: 00007ff43caee000 C[ 95.477349] Code: 01 01 e8 0a 75 95 00 0f 0b c3 cc cc cc cc 80 3d 1d 35 94 01 00 75 cb 48 c7 c7 a0 db 11 92 c6 05 0d 35 94 01 01 e8 e7 74 95 00 <0f> 0b c3 cc cc cc cc 80 3d fc 34 94 01 00 75 a8 48 c7 c7 78 db 11 R3: 000000010581c000 CR4: 00000000003506e0 # [ 93.924713] Cal[ 95.504612] RSP: 0018:ffffaeb54279fe48 EFLAGS: 00010286 l Trace: # [ 93.933691] __refcount_sub_and_test.constprop.0+[ 95.516673] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000 0x3c/0x50 # [ 93.946099] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIV[ 95.530901] RDX: ffff934b3bd2c660 RSI: ffff934b3bd1bf70 RDI: ffff934b3bd1bf70 E+0x3e/0x7b # [ 93.958796] direct_entry.cold+0x2c/0x38 # [ [ 95.545071] RBP: ffffffff921821a3 R08: 0000000000000000 R09: 0000000000000000 93.969172] full_proxy_write+0x56/0x80 # [ 93.979957] vfs_[ 95.559301] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 write+0xea/0x3a0 # [ 93.989685] ksys_write+0x68/0xf0 # [ [ 95.573503] R13: ffffaeb54279ff10 R14: ffffaeb54279ff10 R15: ffff934ac3757000 93.999695] do_syscall_64+0x33/0x40 # [ 94.009819] entry_SYS[ 95.587726] FS: 00007f901ad9d580(0000) GS:ffff934b3bd00000(0000) knlGS:0000000000000000 CALL_64_after_hwframe+0x61/0xc6 # [ 94.021740] RIP: 0033:0x7f[ 95.602976] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 f43cbfb8f3 # [ 94.031912] Code: 8b 15 a1 25 0e 00 f7 d8 64 89[ 95.615680] CR2: 00007f901aba6000 CR3: 0000000104fe2000 CR4: 00000000003506e0 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 [ 95.629837] Call Trace: 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f[ 95.638838] lkdtm_REFCOUNT_ADD_ZERO+0x99/0xc1 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 94.059139] RSP: 002b[ 95.649966] direct_entry.cold+0x2c/0x38 :00007ffd7f57dc88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 #[ 95.660553] full_proxy_write+0x56/0x80 [ 94.073845] RAX: ffffffffffffffda RBX: 000000000000001f RCX:[ 95.671131] vfs_write+0xea/0x3a0 00007ff43cbfb8f3 # [ 94.088051] RDX: 000000000000001f RSI: 0[ 95.681035] ksys_write+0x68/0xf0 0007ff43caee000 RDI: 0000000000000001 # [ 94.102239] RBP: 000[ 95.691047] do_syscall_64+0x33/0x40 07ff43caee000 R08: 00007ff43caed010 R09: 0000000000000000 # [ [ 95.701245] entry_SYSCALL_64_after_hwframe+0x61/0xc6 94.116473] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 000[ 95.713134] RIP: 0033:0x7f901acb38f3 0000000000001 # [ 94.130666] R13: 0000000000000001 R14: 00000[ 95.723340] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 00000020000 R15: 0000000000020000 # [ 94.144946] irq event st[ 95.750633] RSP: 002b:00007ffe223a3c48 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 amp: 0 # [ 94.154468] hardirqs last enabled at (0): [<000000[ 95.765225] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f901acb38f3 0000000000>] 0x0 # [ 94.167808] hardirqs last disabled at (0)[ 95.779588] RDX: 0000000000000012 RSI: 00007f901aba6000 RDI: 0000000000000001 : [] copy_process+0x640/0x1c80 # [ 94.18320[ 95.793764] RBP: 00007f901aba6000 R08: 00007f901aba5010 R09: 0000000000000000 9] softirqs last enabled at (0): [] copy_proc[ 95.807963] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 ess+0x640/0x1c80 # [ 94.198573] softirqs last disabled at (0)[ 95.822190] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 : [<0000000000000000>] 0x0 # [ 94.211818] ---[ end trace 42bc[ 95.836407] irq event stamp: 0 2b033115ef5f ]--- # [ 94.223161] lkdtm: Negative detected: sa[ 95.845978] hardirqs last enabled at (0): [<0000000000000000>] 0x0 turated # REFCOUNT_SUB_AND_TEST_NEGATIVE: saw 'Negative detecte[ 95.859297] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 d: saturated': ok ok 49 selftests: lkdtm: REFCOUNT_SUB_AND_TEST[ 95.874557] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 _NEGATIVE.sh # selftests: lkdtm: REFCOUNT_INC_ZERO.sh # [ 94[ 95.890114] softirqs last disabled at (0): [<0000000000000000>] 0x0 .584842] lkdtm: Performing direct entry REFCOUNT_INC_ZERO # [ [ 95.903173] ---[ end trace 42bc2b033115ef61 ]--- 94.595262] lkdtm: attempting safe refcount_inc_not_zero() from [ 95.914660] lkdtm: Zero detected: saturated zero # [ 94.602408] lkdtm: Good: zero detected # [ 94.606627] lkdtm: Correctly stayed at zero # [ 94.611324] lkdtm: attempting bad refcount_inc() from zero # [ 94.623690] ------------[ cut here ]------------ # [ 94.635064] refcount_t: addition on 0; use-after-free. # [ 94.640881] WARNING: CPU: 0 PID: 2294 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 # [ 94.656553] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 94.672561] CPU: 0 PID: 2294 Comm: cat Tainted: G D W 5.10.147-cip18 #1 # [ 94.681241] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 94.687877] RIP: 0010:refcount_warn_saturate+0x74/0x110 # [ 94.693750] Code: 01 01 e8 0a 75 95 00 0f 0b c3 cc cc cc cc 80 3d 1d 35 94 01 00 75 cb 48 c7 c7 a0 db 11 92 c6 05 0d 35 94 01 01 e8 e7 74 95 00 <0f> 0b c3 cc cc cc cc 80 3d fc 34 94 01 00 75 a8 48 c7 c7 78 db 11 # [ 94.720995] RSP: 0018:ffffaeb542707e48 EFLAGS: 00010286 # [ 94.726865] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000 # [ 94.734868] RDX: ffff934b3bc2c660 RSI: ffff934b3bc1bf70 RDI: ffff934b3bc1bf70 # [ 94.742870] RBP: ffffffff92182191 R08: 0000000000000000 R09: 0000000000000000 # [ 94.750864] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 94.758866] R13: ffffaeb542707f10 R14: ffffaeb542707f10 R15: ffff934ac585b000 # [ 94.766861] FS: 00007fbcc7258580(0000) GS:ffff934b3bc00000(0000) knlGS:0000000000000000 # [ 94.775934] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 94.782381] CR2: 00007fbcc7061000 CR3: 0000000104ca4000 CR4: 00000000003506f0 # [ 94.790389] Call Trace: # [ 94.793157] lkdtm_REFCOUNT_INC_ZERO+0x99/0xc1 # [ 94.798158] direct_entry.cold+0x2c/0x38 # [ 94.802570] full_proxy_write+0x56/0x80 # [ 94.806887] vfs_write+0xea/0x3a0 # [ 94.810619] ksys_write+0x68/0xf0 # [ 94.814354] do_syscall_64+0x33/0x40 # [ 94.818379] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 94.824056] RIP: 0033:0x7fbcc716e8f3 # [ 94.828079] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 94.849108] RSP: 002b:00007ffde7e2e2f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 94.857608] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fbcc716e8f3 # [ 94.865601] RDX: 0000000000000012 RSI: 00007fbcc7061000 RDI: 0000000000000001 # [ 94.873592] RBP: 00007fbcc7061000 R08: 00007fbcc7060010 R09: 0000000000000000 # [ 94.881594] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 94.889587] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 94.897599] irq event stamp: 0 # [ 94.907228] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 94.920470] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 94.935839] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 94.945017] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 94.952048] ---[ end trace 42bc2b033115ef60 ]--- # [ 94.957238] 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 # [ 95.318055] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO # [ 95.329229] lkdtm: attempting safe refcount_add_not_zero() from zero # [ 95.342589] lkdtm: Good: zero detected # [ 95.353000] lkdtm: Correctly stayed at zero # [ 95.363944] lkdtm: attempting bad refcount_add() from zero # [ 95.376511] ------------[ cut here ]------------ # [ 95.387760] refcount_t: addition on 0; use-after-free. # [ 95.399951] WARNING: CPU: 1 PID: 2326 at lib/refcount.c:25 refcount_warn_saturate+0x7[ 96.304707] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED 4/0x110 # [ 95.415332] Modules linked in: fuse ip_tables cros[ 96.317802] lkdtm: attempting bad refcount_inc() from saturated _ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_p[ 96.330653] ------------[ cut here ]------------ kg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 95.437628] [ 96.342023] refcount_t: saturated; leaking memory. CPU: 1 PID: 2326 Comm: cat Tainted: G D W 5.10.147-[ 96.353715] WARNING: CPU: 1 PID: 2361 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 cip18 #1 # [ 95.452448] Hardware name: Google Coral/Coral, BI[ 96.369526] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify OS 09/29/2020 # [ 95.465299] RIP: 0010:refcount_warn_saturat[ 96.391580] CPU: 1 PID: 2361 Comm: cat Tainted: G D W 5.10.147-cip18 #1 e+0x74/0x110 # [ 95.477349] Code: 01 01 e8 0a 75 95 00 0f 0b [ 96.406588] Hardware name: Google Coral/Coral, BIOS 09/29/2020 c3 cc cc cc cc 80 3d 1d 35 94 01 00 75 cb 48 c7 c7 a0 db 11 92 c[ 96.419242] RIP: 0010:refcount_warn_saturate+0x51/0x110 6 05 0d 35 94 01 01 e8 e7 74 95 00 <0f> 0b c3 cc cc cc cc 80 3d [ 96.431441] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 41 35 94 01 00 75 ee 48 c7 c7 78 db 11 92 c6 05 31 35 94 01 01 e8 0a 75 95 00 <0f> 0b c3 cc cc cc cc 80 3d 1d 35 94 01 00 75 cb 48 c7 c7 a0 db 11 fc 34 94 01 00 75 a8 48 c7 c7 78 db 11 # [ 95.504612] RSP: 00[ 96.458545] RSP: 0018:ffffaeb542817e48 EFLAGS: 00010286 18:ffffaeb54279fe48 EFLAGS: 00010286 # [ 95.516673] RAX: 0000[ 96.470740] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000 000000000000 RBX: 0000000000000034 RCX: 0000000000000000 # [ [ 96.484841] RDX: ffff934b3bd2c660 RSI: ffff934b3bd1bf70 RDI: ffff934b3bd1bf70 95.530901] RDX: ffff934b3bd2c660 RSI: ffff934b3bd1bf70 RDI: ffff[ 96.499079] RBP: ffffffff921821b5 R08: 0000000000000000 R09: 0000000000000000 934b3bd1bf70 # [ 95.545071] RBP: ffffffff921821a3 R08: 000000[ 96.513267] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 0000000000 R09: 0000000000000000 # [ 95.559301] R10: 00000000[ 96.527510] R13: ffffaeb542817f10 R14: ffffaeb542817f10 R15: ffff934ac5925000 ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 95.5[ 96.541700] FS: 00007f0486446580(0000) GS:ffff934b3bd00000(0000) knlGS:0000000000000000 73503] R13: ffffaeb54279ff10 R14: ffffaeb54279ff10 R15: ffff934a[ 96.556981] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 c3757000 # [ 95.587726] FS: 00007f901ad9d580(0000) GS:ffff93[ 96.569618] CR2: 00007f048624f000 CR3: 000000010580c000 CR4: 00000000003506e0 4b3bd00000(0000) knlGS:0000000000000000 # [ 95.602976] CS: 0[ 96.583858] Call Trace: 010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 95.615680] CR[ 96.592815] lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x64 2: 00007f901aba6000 CR3: 0000000104fe2000 CR4: 00000000003506e0[ 96.604495] direct_entry.cold+0x2c/0x38 # [ 95.629837] Call Trace: # [ 95.638838] lkdtm_REFCOUNT_[ 96.615096] full_proxy_write+0x56/0x80 ADD_ZERO+0x99/0xc1 # [ 95.649966] direct_entry.cold+0x2c/0x3[ 96.625670] vfs_write+0xea/0x3a0 8 # [ 95.660553] full_proxy_write+0x56/0x80 # [ 95.671131[ 96.635551] ksys_write+0x68/0xf0 ] vfs_write+0xea/0x3a0 # [ 95.681035] ksys_write+0x68/0xf0[ 96.645515] do_syscall_64+0x33/0x40 # [ 95.691047] do_syscall_64+0x33/0x40 # [ 95.701245] en[ 96.655736] entry_SYSCALL_64_after_hwframe+0x61/0xc6 try_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 95.713134] RIP: 00[ 96.667626] RIP: 0033:0x7f048635c8f3 33:0x7f901acb38f3 # [ 95.723340] Code: 8b 15 a1 25 0e 00 f7 d[ 96.677825] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00[ 96.705065] RSP: 002b:00007fffbcd1e868 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 5[ 96.719758] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f048635c8f3 5 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 95.750633] RS[ 96.734006] RDX: 0000000000000017 RSI: 00007f048624f000 RDI: 0000000000000001 P: 002b:00007ffe223a3c48 EFLAGS: 00000246 ORIG_RAX: 000000000000[ 96.748171] RBP: 00007f048624f000 R08: 00007f048624e010 R09: 0000000000000000 0001 # [ 95.765225] RAX: ffffffffffffffda RBX: 00000000000000[ 96.762404] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 12 RCX: 00007f901acb38f3 # [ 95.779588] RDX: 0000000000000012[ 96.776585] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 RSI: 00007f901aba6000 RDI: 0000000000000001 # [ 95.793764] R[ 96.790818] irq event stamp: 0 BP: 00007f901aba6000 R08: 00007f901aba5010 R09: 0000000000000000[ 96.800416] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 95.807963] R10: fffffffffffffbc5 R11: 0000000000000246 R[ 96.813748] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 12: 0000000000000001 # [ 95.822190] R13: 0000000000000001 R14[ 96.829153] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 : 0000000000020000 R15: 0000000000020000 # [ 95.836407] irq e[ 96.844516] softirqs last disabled at (0): [<0000000000000000>] 0x0 vent stamp: 0 # [ 95.845978] hardirqs last enabled at (0): [[ 96.857743] ---[ end trace 42bc2b033115ef62 ]--- <0000000000000000>] 0x0 # [ 95.859297] hardirqs last disabled[ 96.869146] lkdtm: Saturation detected: still saturated at (0): [] copy_process+0x640/0x1c80 # [ 95.874557] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 95.890114] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 95.903173] ---[ end trace 42bc2b033115ef61 ]--- # [ 95.914660] lkdtm: Zero detected: saturated # REFCOUNT_ADD_ZERO: saw 'call trace:': ok ok 51 selftests: lkdtm: REFCOUNT_ADD_ZERO.sh # selftests: lkdtm: REFCOUNT_INC_SATURATED.sh # [ 96.304707] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED # [ 96.317802] lkdtm: attempting bad refcount_inc() from saturated # [ 96.330653] ------------[ cut here ]------------ # [ 96.342023] refcount_t: saturated; leaking memory. # [ 96.353715] WARNING: CPU: 1 PID: 2361 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 96.369526] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 96.391580] CPU: 1 PID: 2361 Comm: cat Tainted: G D W 5.10.147-cip18 #1 # [ 96.406588] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 96.419242] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 96.431441] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 41 35 94 01 00 75 ee 48 c7 c7 78 db 11 92 c6 05 31 35 94 01 01 e8 0a 75 95 00 <0f> 0b c3 cc cc cc cc 80 3d 1d 35 94 01 00 75 cb 48 c7 c7 a0 db 11 # [ 96.458545] RSP: 0018:ffffaeb542817e48 EFLAGS: 00010286 # [ 96.470740] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000 # [ 96.484841] RDX: ffff934b3bd2c660 RSI: ffff934b3bd1bf70 RDI: ffff934b3bd1bf70 # [ 96.499079] RBP: ffffffff921821b5 R08: 0000000000000000 R09: 0000000000000000 # [ 96.513267] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 96.527510] R13: ffffaeb542817f10 R14: ffffaeb542817f10 R15: ffff934ac5925000 # [ 96.541700] FS: 00007f0486446580(0000) GS:ffff934b3bd00000(0000) knlGS:0000000000000000 # [ 96.556981] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 96.569618] CR2: 00007f048624f000 CR3: 000000010580c000 CR4: 00000000003506e0 # [ 96.583858] Call Trace: # [ 96.592815] lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x64 # [ 96.604495] direct_entry.cold+0x2c/0x38 # [ 96.615096] full_proxy_write+0x56/0x80 # [ 96.625670] vfs_write+0xea/0x3a0 # [ 96.635551] ksys_write+0x68/0xf0 # [ 96.645515] do_syscall_64+0x33/0x40 # [ 96.655736] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 96.667626] RIP: 0033:0x7f048635c8f3 # [ 96.677825] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 96.705065] RSP: 002b:00007fffbcd1e868 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 96.719758] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f048635c8f3 # [ 96.734006] RDX: 0000000000000017 RSI: 00007f048624f000 RDI: 0000000000000001 # [ 96.748171] RBP: 00007f048624f000 R08: 00007f048624e010 R09: 0000000000000000 # [ 96.762404] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 96.776585] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 96.790818] irq event stamp: 0 # [ 96.800416] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 96.813748] hardirqs last disabled at (0): [] copy_[ 97.256943] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED process+0x640/0x1c80 # [ 96.829153] softirqs last enabled at[ 97.264155] lkdtm: attempting bad refcount_dec() from saturated (0): [] copy_process+0x640/0x1c80 # [ 96.8[ 97.277024] ------------[ cut here ]------------ 44516] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 97.288475] refcount_t: decrement hit 0; leaking memory. # [ 96.857743] ---[ end trace 42bc2b033115ef62 ]--- # [ 96.[ 97.300886] WARNING: CPU: 1 PID: 2396 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 869146] lkdtm: Saturation detected: still saturated # REFCOUNT_[ 97.316363] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify INC_SATURATED: saw 'Saturation detected: still saturated': ok o[ 97.338718] CPU: 1 PID: 2396 Comm: cat Tainted: G D W 5.10.147-cip18 #1 k 52 selftests: lkdtm: REFCOUNT_INC_SATURATED.sh # selftests: l[ 97.353438] Hardware name: Google Coral/Coral, BIOS 09/29/2020 kdtm: REFCOUNT_DEC_SATURATED.sh [ 97.366355] RIP: 0010:refcount_warn_saturate+0xfb/0x110 [ 97.375299] Code: 28 dc 11 92 c6 05 9d 34 94 01 01 e8 7a 74 95 00 0f 0b c3 cc cc cc cc 48 c7 c7 f8 db 11 92 c6 05 84 34 94 01 01 e8 60 74 95 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b [ 97.396474] RSP: 0018:ffffaeb542887e48 EFLAGS: 00010286 [ 97.402415] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000 [ 97.410507] RDX: ffff934b3bd2c660 RSI: ffff934b3bd1bf70 RDI: ffff934b3bd1bf70 [ 97.418563] RBP: ffffffff921821cc R08: 0000000000000000 R09: 0000000000000000 [ 97.426667] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 [ 97.434744] R13: ffffaeb542887f10 R14: ffffaeb542887f10 R15: ffff934ac1ede000 [ 97.442836] FS: 00007f0d2b328580(0000) GS:ffff934b3bd00000(0000) knlGS:0000000000000000 [ 97.451968] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 97.458508] CR2: 00007f0d2b131000 CR3: 0000000103b20000 CR4: 00000000003506e0 [ 97.466585] Call Trace: [ 97.469421] lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5f [ 97.474962] direct_entry.cold+0x2c/0x38 [ 97.479481] full_proxy_write+0x56/0x80 [ 97.483872] vfs_write+0xea/0x3a0 [ 97.487723] ksys_write+0x68/0xf0 [ 97.491535] do_syscall_64+0x33/0x40 [ 97.495706] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 97.501460] RIP: 0033:0x7f0d2b23e8f3 [ 97.505632] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 97.526728] RSP: 002b:00007ffe8b80e988 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 97.535433] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f0d2b23e8f3 [ 97.543484] RDX: 0000000000000017 RSI: 00007f0d2b131000 RDI: 0000000000000001 [ 97.551694] RBP: 00007f0d2b131000 R08: 00007f0d2b130010 R09: 0000000000000000 [ 97.559733] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 97.567867] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 97.575944] irq event stamp: 0 [ 97.579460] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 97.586565] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 97.595825] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 97.605068] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 97.612212] ---[ end trace 42bc2b033115ef63 ]--- [ 97.617469] lkdtm: Saturation detected: still saturated # [ 97.256943] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED # [ 97.264155] lkdtm: attempting bad refcount_dec() from saturated # [ 97.277024] ------------[ cut here ]------------ # [ 97.288475] refcount_t: decrement hit 0; leaking memory. # [ 97.300886] WARNING: CPU: 1 PID: 2396 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 97.316363] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 97.338718] CPU: 1 PID: 2396 Comm: cat Tainted: G D W 5.10.147-cip18 #1 # [ 97.353438] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 97.366355] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 97.375299] Code: 28 dc 11 92 c6 05 9d 34 94 01 01 e8 7a 74 95 00 0f 0b c3 cc cc cc cc 48 c7 c7 f8 db 11 92 c6 05 84 34 94 01 01 e8 60 74 95 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 97.396474] RSP: 0018:ffffaeb542887e48 EFLAGS: 00010286 # [ 97.402415] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000 # [ 97.410507] RDX: ffff934b3bd2c660 RSI: ffff934b3bd1bf70 RDI: ffff934b3bd1bf70 # [ 97.418563] RBP: ffffffff921821cc R08: 0000000000000000 R09: 0000000000000000 # [ 97.426667] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 97.434744] R13: ffffaeb542887f10 R14: ffffaeb542887f10 R15: ffff934ac1ede000 # [ 97.442836] FS: 00007f0d2b328580(0000) GS:ffff934b3bd00000(0000) knlGS:0000000000000000 # [ 97.451968] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 97.458508] CR2: 00007f0d2b131000 CR3: 0000000103b20000 CR4: 00000000003506e0 # [ 97.466585] Call Trace: # [ 97.469421] lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5f # [ 97.474962] direct_entry.cold+0x2c/0x38 # [ 97.479481] full_proxy_write+0x56/0x80 # [ 97.483872] vfs_write+0xea/0x3a0 # [ 97.487723] ksys_write+0x68/0xf0 # [ 97.491535] do_syscall_64+0x33/0x40 # [ 97.495706] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 97.501460] RIP: 0033:0x7f0d2b23e8f3 # [ 97.505632] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 97.526728] RSP: 002b:00007ffe8b80e988 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 97.535433] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f0d2b23e8f3 # [ 97.543484] RDX: 0000000000000017 RSI: 00007f0d2b131000 RDI: 0000000000000001 # [ 97.551694] RBP: 00007f0d2b131000 R08: 00007f0d2b130010 R09: 0000000000000000 # [ 97.559733] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 97.567867] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 97.575944] irq event stamp: 0 # [ 97.579460] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 97.586565] hardirqs last disabled at (0): [] copy_process+0x64[ 98.002184] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED [ 98.015042] lkdtm: attempting bad refcount_dec() from saturated [ 98.021695] ------------[ cut here ]------------ [ 98.026880] refcount_t: saturated; leaking memory. 0/0x1c80 # [ 97.595825] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 97.605068] softi[ 98.047922] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 98.070109] CPU: 0 PID: 2431 Comm: cat Tainted: G D W 5.10.147-cip18 #1 [ 98.078796] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 98.085440] RIP: 0010:refcount_warn_saturate+0x51/0x110 [ 98.091312] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 41 35 94 01 00 75 ee 48 c7 c7 78 db 11 92 c6 05 31 35 94 01 01 e8 0a 75 95 00 <0f> 0b c3 cc cc cc cc 80 3d 1d 35 94 01 00 75 cb 48 c7 c7 a0 db 11 [ 98.112347] RSP: 0018:ffffaeb5428f7e48 EFLAGS: 00010286 [ 98.118217] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000 [ 98.126222] RDX: ffff934b3bc2c660 RSI: ffff934b3bc1bf70 RDI: ffff934b3bc1bf70 [ 98.134231] RBP: ffffffff921821e3 R08: 0000000000000000 R09: 0000000000000000 [ 98.142230] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 [ 98.150233] R13: ffffaeb5428f7f10 R14: ffffaeb5428f7f10 R15: ffff934ac2a10000 [ 98.158234] FS: 00007fe96229b580(0000) GS:ffff934b3bc00000(0000) knlGS:0000000000000000 [ 98.167304] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 rqs last disabled at (0): [<0000000000000000>] 0x0 # [ 97.612[ 98.173757] CR2: 00007fe9620a4000 CR3: 00000001027f2000 CR4: 00000000003506f0 [ 98.187962] Call Trace: [ 98.190729] lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x64 [ 98.196213] direct_entry.cold+0x2c/0x38 [ 98.200634] full_proxy_write+0x56/0x80 [ 98.204948] vfs_write+0xea/0x3a0 [ 98.208680] ksys_write+0x68/0xf0 [ 98.212414] do_syscall_64+0x33/0x40 [ 98.216444] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 98.222121] RIP: 0033:0x7fe9621b18f3 [ 98.226142] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 98.247169] RSP: 002b:00007ffc8ae37e88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 98.255661] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007fe9621b18f3 [ 98.263672] RDX: 0000000000000017 RSI: 00007fe9620a4000 RDI: 0000000000000001 [ 98.271675] RBP: 00007fe9620a4000 R08: 00007fe9620a3010 R09: 0000000000000000 [ 98.279677] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 98.287680] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 98.295694] irq event stamp: 0 [ 98.299130] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 98.306163] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 98.315335] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 98.324507] softirqs last disabled at (0): [<0000000000000000>] 0x0 212] ---[ end trace 42bc2b033115ef63 ]--- # [ 97.617469] lkdt[ 98.331540] ---[ end trace 42bc2b033115ef64 ]--- m: Saturation detected: still saturated # REFCOUNT_DEC_SATURATE[ 98.342924] lkdtm: Saturation detected: still saturated D: saw 'Saturation detected: still saturated': ok ok 53 selftests: lkdtm: REFCOUNT_DEC_SATURATED.sh # selftests: lkdtm: REFCOUNT_ADD_SATURATED.sh # [ 98.002184] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED # [ 98.015042] lkdtm: attempting bad refcount_dec() from saturated # [ 98.021695] ------------[ cut here ]------------ # [ 98.026880] refcount_t: saturated; leaking memory. # [ 98.032307] WARNING: CPU: 0 PID: 2431 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 98.047922] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 98.070109] CPU: 0 PID: 2431 Comm: cat Tainted: G D W 5.10.147-cip18 #1 # [ 98.078796] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 98.085440] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 98.091312] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 41 35 94 01 00 75 ee 48 c7 c7 78 db 11 92 c6 05 31 35 94 01 01 e8 0a 75 95 00 <0f> 0b c3 cc cc cc cc 80 3d 1d 35 94 01 00 75 cb 48 c7 c7 a0 db 11 # [ 98.112347] RSP: 0018:ffffaeb5428f7e48 EFLAGS: 00010286 # [ 98.118217] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000 # [ 98.126222] RDX: ffff934b3bc2c660 RSI: ffff934b3bc1bf70 RDI: ffff934b3bc1bf70 # [ 98.134231] RBP: ffffffff921821e3 R08: 0000000000000000 R09: 0000000000000000 # [ 98.142230] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 98.150233] R13: ffffaeb5428f7f10 R14: ffffaeb5428f7f10 R15: ffff934ac2a10000 # [ 98.158234] FS: 00007fe96229b580(0000) GS:ffff934b3bc00000(0000) knlGS:0000000000000000 # [ 98.167304] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 98.173757] CR2: 00007fe9620a4000 CR3: 00000001027f2000 CR4: 00000000003506f0 # [ 98.187962] Call Trace: # [ 98.190729] lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x64 # [ 98.196213] direct_entry.cold+0x2c/0x38 # [ 98.200634] full_proxy_write+0x56/0x80 # [ 98.204948] vfs_write+0xea/0x3a0 # [ 98.208680] ksys_write+0x68/0xf0 # [ 98.212414] do_syscall_64+0x33/0x40 # [ 98.216444] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 98.222121] RIP: 0033:0x7fe9621b18f3 # [ 98.226142] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 98.247169] RSP: 002b:00007ffc8ae37e88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 98.255661] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007fe9621b18f3 # [ 98.263672] RDX: 0000000000000017 RSI: 00007fe9620a4000 RDI: 0000000000000001 # [ 98.271675] RBP: 00007fe9620a4000 R08: 00007fe9620a3010 R09: 0000000000000000 # [ 98.279677] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 98.287680] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 98.295694] irq event stamp: 0 # [ 98.299130] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 98.306163] hardirqs last disabled at (0): [] copy_[ 98.729056] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED process+0x640/0x1c80 # [ 98.315335] softirqs last enabled at[ 98.739140] lkdtm: attempting bad refcount_inc_not_zero() from saturated (0): [] copy_process+0x640/0x1c80 # [ 98.3[ 98.752841] ------------[ cut here ]------------ 24507] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 98.764220] refcount_t: saturated; leaking memory. # [ 98.331540] ---[ end trace 42bc2b033115ef64 ]--- # [ 98.[ 98.775924] WARNING: CPU: 1 PID: 2463 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 342924] lkdtm: Saturation detected: still saturated # REFCOUNT_[ 98.791532] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify ADD_SATURATED: saw 'Saturation detected: still saturated': ok o[ 98.813694] CPU: 1 PID: 2463 Comm: cat Tainted: G D W 5.10.147-cip18 #1 k 54 selftests: lkdtm: REFCOUNT_ADD_SATURATED.sh # selftests: l[ 98.828592] Hardware name: Google Coral/Coral, BIOS 09/29/2020 kdtm: REFCOUNT_INC_NOT_ZERO_SATURATED.sh [ 98.841433] RIP: 0010:refcount_warn_saturate+0x97/0x110 [ 98.851374] Code: 01 01 e8 e7 74 95 00 0f 0b c3 cc cc cc cc 80 3d fc 34 94 01 00 75 a8 48 c7 c7 78 db 11 92 c6 05 ec 34 94 01 01 e8 c4 74 95 00 <0f> 0b c3 cc cc cc cc 80 3d d6 34 94 01 00 75 85 48 c7 c7 d0 db 11 [ 98.872404] RSP: 0018:ffffaeb54296fe38 EFLAGS: 00010282 [ 98.878270] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 [ 98.886297] RDX: ffff934b3bd2c660 RSI: ffff934b3bd1bf70 RDI: ffff934b3bd1bf70 [ 98.894298] RBP: ffffffff92181e10 R08: 0000000000000000 R09: 0000000000000000 [ 98.902299] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 [ 98.910301] R13: ffffaeb54296ff10 R14: ffffaeb54296ff10 R15: ffff934ac4ffe000 [ 98.918337] FS: 00007fcf93d8b580(0000) GS:ffff934b3bd00000(0000) knlGS:0000000000000000 [ 98.927405] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 98.933851] CR2: 00007fcf93b94000 CR3: 000000010302e000 CR4: 00000000003506e0 [ 98.941844] Call Trace: [ 98.944603] __refcount_add_not_zero.constprop.0+0x2a/0x35 [ 98.950809] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x76 [ 98.957169] direct_entry.cold+0x2c/0x38 [ 98.961576] full_proxy_write+0x56/0x80 [ 98.965895] vfs_write+0xea/0x3a0 [ 98.969628] ksys_write+0x68/0xf0 [ 98.973362] do_syscall_64+0x33/0x40 [ 98.977385] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 98.983080] RIP: 0033:0x7fcf93ca18f3 [ 98.987106] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 99.008126] RSP: 002b:00007ffe3c36de18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 99.016658] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fcf93ca18f3 [ 99.024700] RDX: 0000000000000020 RSI: 00007fcf93b94000 RDI: 0000000000000001 [ 99.032980] RBP: 00007fcf93b94000 R08: 00007fcf93b93010 R09: 0000000000000000 [ 99.041053] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 99.049338] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 99.057431] irq event stamp: 0 [ 99.061006] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 99.068073] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 99.077448] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 99.086726] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 99.093912] ---[ end trace 42bc2b033115ef65 ]--- [ 99.099141] lkdtm: Saturation detected: still saturated # [ 98.729056] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED # [ 98.739140] lkdtm: attempting bad refcount_inc_not_zero() from saturated # [ 98.752841] ------------[ cut here ]------------ # [ 98.764220] refcount_t: saturated; leaking memory. # [ 98.775924] WARNING: CPU: 1 PID: 2463 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 98.791532] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 98.813694] CPU: 1 PID: 2463 Comm: cat Tainted: G D W 5.10.147-cip18 #1 # [ 98.828592] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 98.841433] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 98.851374] Code: 01 01 e8 e7 74 95 00 0f 0b c3 cc cc cc cc 80 3d fc 34 94 01 00 75 a8 48 c7 c7 78 db 11 92 c6 05 ec 34 94 01 01 e8 c4 74 95 00 <0f> 0b c3 cc cc cc cc 80 3d d6 34 94 01 00 75 85 48 c7 c7 d0 db 11 # [ 98.872404] RSP: 0018:ffffaeb54296fe38 EFLAGS: 00010282 # [ 98.878270] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 # [ 98.886297] RDX: ffff934b3bd2c660 RSI: ffff934b3bd1bf70 RDI: ffff934b3bd1bf70 # [ 98.894298] RBP: ffffffff92181e10 R08: 0000000000000000 R09: 0000000000000000 # [ 98.902299] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 98.910301] R13: ffffaeb54296ff10 R14: ffffaeb54296ff10 R15: ffff934ac4ffe000 # [ 98.918337] FS: 00007fcf93d8b580(0000) GS:ffff934b3bd00000(0000) knlGS:0000000000000000 # [ 98.927405] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 98.933851] CR2: 00007fcf93b94000 CR3: 000000010302e000 CR4: 00000000003506e0 # [ 98.941844] Call Trace: # [ 98.944603] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 98.950809] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x76 # [ 98.957169] direct_entry.cold+0x2c/0x38 # [ 98.961576] full_proxy_write+0x56/0x80 # [ 98.965895] vfs_write+0xea/0x3a0 # [ 98.969628] ksys_write+0x68/0xf0 # [ 98.973362] do_syscall_64+0x33/0x40 # [ 98.977385] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 98.983080] RIP: 0033:0x7fcf93ca18f3 # [ 98.987106] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 99.008126] RSP: 002b:00007ffe3c36de18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 99.016658] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fcf93ca18f3 # [ 99.024700] RDX: 0000000000000020 RSI: 00007fcf93b94000 RDI: 0000000000000001 # [ 99.032980] RBP: 00007fcf93b94000 R08: 00007fcf93b93010 R09: 0000000000000000 # [ 99.041053] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 99.049338] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 99.057431] irq event stamp: 0 # [ 99.061006] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 99.068073] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 99.077448] sof[ 99.514463] lkdtm: attempting bad refcount_add_not_zero() from saturated tirqs last enabled at (0): [] copy_process+0x[ 99.528203] ------------[ cut here ]------------ 640/0x1c80 # [ 99.086726] softirqs last disabled at (0): [<00[ 99.539612] refcount_t: saturated; leaking memory. 00000000000000>] 0x0 # [ 99.093912] ---[ end trace 42bc2b0331[ 99.551472] WARNING: CPU: 1 PID: 2495 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 15ef65 ]--- # [ 99.099141] lkdtm: Saturation detected: still [ 99.566945] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify saturated # REFCOUNT_INC_NOT_ZERO_SATURATED: saw 'call trace:':[ 99.589258] CPU: 1 PID: 2495 Comm: cat Tainted: G D W 5.10.147-cip18 #1 ok ok 55 selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_SATURATED.sh[ 99.603959] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_SATURATED.sh [ 99.616926] RIP: 0010:refcount_warn_saturate+0x97/0x110 [ 99.628218] Code: 01 01 e8 e7 74 95 00 0f 0b c3 cc cc cc cc 80 3d fc 34 94 01 00 75 a8 48 c7 c7 78 db 11 92 c6 05 ec 34 94 01 01 e8 c4 74 95 00 <0f> 0b c3 cc cc cc cc 80 3d d6 34 94 01 00 75 85 48 c7 c7 d0 db 11 [ 99.649337] RSP: 0018:ffffaeb542a0fe38 EFLAGS: 00010282 [ 99.655269] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 [ 99.663496] RDX: ffff934b3bd2c660 RSI: ffff934b3bd1bf70 RDI: ffff934b3bd1bf70 [ 99.671543] RBP: ffffffff92181e30 R08: 0000000000000000 R09: 0000000000000000 [ 99.679723] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 [ 99.687807] R13: ffffaeb542a0ff10 R14: ffffaeb542a0ff10 R15: ffff934ac4c86000 [ 99.695944] FS: 00007fe53d53c580(0000) GS:ffff934b3bd00000(0000) knlGS:0000000000000000 [ 99.705073] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 99.711702] CR2: 00007fe53d345000 CR3: 0000000104fe0000 CR4: 00000000003506e0 [ 99.719749] Call Trace: [ 99.722636] __refcount_add_not_zero.constprop.0+0x2a/0x35 [ 99.729001] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x76 [ 99.735391] direct_entry.cold+0x2c/0x38 [ 99.739803] full_proxy_write+0x56/0x80 [ 99.744117] vfs_write+0xea/0x3a0 [ 99.747845] ksys_write+0x68/0xf0 [ 99.751575] do_syscall_64+0x33/0x40 [ 99.755596] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 99.761267] RIP: 0033:0x7fe53d4528f3 [ 99.765353] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 99.786408] RSP: 002b:00007ffeb7548768 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 99.794953] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fe53d4528f3 [ 99.802959] RDX: 0000000000000020 RSI: 00007fe53d345000 RDI: 0000000000000001 [ 99.810961] RBP: 00007fe53d345000 R08: 00007fe53d344010 R09: 0000000000000000 [ 99.818963] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 99.826986] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 99.835002] irq event stamp: 0 [ 99.838442] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 99.845478] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 99.854656] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 99.863873] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 99.870922] ---[ end trace 42bc2b033115ef66 ]--- [ 99.876127] lkdtm: Saturation detected: still saturated # [ 99.501376] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED # [ 99.514463] lkdtm: attempting bad refcount_add_not_zero() from saturated # [ 99.528203] ------------[ cut here ]------------ # [ 99.539612] refcount_t: saturated; leaking memory. # [ 99.551472] WARNING: CPU: 1 PID: 2495 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 99.566945] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 99.589258] CPU: 1 PID: 2495 Comm: cat Tainted: G D W 5.10.147-cip18 #1 # [ 99.603959] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 99.616926] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 99.628218] Code: 01 01 e8 e7 74 95 00 0f 0b c3 cc cc cc cc 80 3d fc 34 94 01 00 75 a8 48 c7 c7 78 db 11 92 c6 05 ec 34 94 01 01 e8 c4 74 95 00 <0f> 0b c3 cc cc cc cc 80 3d d6 34 94 01 00 75 85 48 c7 c7 d0 db 11 # [ 99.649337] RSP: 0018:ffffaeb542a0fe38 EFLAGS: 00010282 # [ 99.655269] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 # [ 99.663496] RDX: ffff934b3bd2c660 RSI: ffff934b3bd1bf70 RDI: ffff934b3bd1bf70 # [ 99.671543] RBP: ffffffff92181e30 R08: 0000000000000000 R09: 0000000000000000 # [ 99.679723] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 99.687807] R13: ffffaeb542a0ff10 R14: ffffaeb542a0ff10 R15: ffff934ac4c86000 # [ 99.695944] FS: 00007fe53d53c580(0000) GS:ffff934b3bd00000(0000) knlGS:0000000000000000 # [ 99.705073] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 99.711702] CR2: 00007fe53d345000 CR3: 0000000104fe0000 CR4: 00000000003506e0 # [ 99.719749] Call Trace: # [ 99.722636] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 99.729001] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x76 # [ 99.735391] direct_entry.cold+0x2c/0x38 # [ 99.739803] full_proxy_write+0x56/0x80 # [ 99.744117] vfs_write+0xea/0x3a0 # [ 99.747845] ksys_write+0x68/0xf0 # [ 99.751575] do_syscall_64+0x33/0x40 # [ 99.755596] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 99.761267] RIP: 0033:0x7fe53d4528f3 # [ 99.765353] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 99.786408] RSP: 002b:00007ffeb7548768 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 99.794953] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fe53d4528f3 # [ 99.802959] RDX: 0000000000000020 RSI: 00007fe53d345000 RDI: 0000000000000001 # [ 99.810961] RBP: 00007fe53d345000 R08: 00007fe53d344010 R09: 0000000000000000 # [ 99.818963] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 99.826986] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 99.835002] irq event stamp: 0 # [ 99.838442] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 99.845478] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 99.854656] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 99.863873] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 99.870922] ---[ end trace 42bc2b033115ef66 ]--- # [ 99.876127] lkdtm: Saturation detected: still saturated # REFCOUNT_ADD_NOT_ZERO_SATURATED: saw 'call trace:': ok ok 56[ 100.300774] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED [ 100.313192] lkdtm: attempting bad refcount_dec_and_test() from saturated [ 100.320710] ------------[ cut here ]------------ [ 100.325901] refcount_t: underflow; use-after-free. [ 100.331329] WARNING: CPU: 0 PID: 2530 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_SATURATED.sh # selftes[ 100.340784] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 100.363006] CPU: 0 PID: 2530 Comm: cat Tainted: G D W 5.10.147-cip18 #1 [ 100.371685] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 100.378329] RIP: 0010:refcount_warn_saturate+0xba/0x110 [ 100.384195] Code: 01 01 e8 c4 74 95 00 0f 0b c3 cc cc cc cc 80 3d d6 34 94 01 00 75 85 48 c7 c7 d0 db 11 92 c6 05 c6 34 94 01 01 e8 a1 74 95 00 <0f> 0b c3 cc cc cc cc 80 3d b1 34 94 01 00 0f 85 5e ff ff ff 48 c7 [ 100.405216] RSP: 0018:ffffaeb542a87e40 EFLAGS: 00010286 [ 100.411082] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000 [ 100.419081] RDX: ffff934b3bc2c660 RSI: ffff934b3bc1bf70 RDI: ffff934b3bc1bf70 [ 100.427085] RBP: ffffffff92181e50 R08: 0000000000000000 R09: 0000000000000000 [ 100.435090] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 [ 100.443091] R13: ffffaeb542a87f10 R14: ffffaeb542a87f10 R15: ffff934ac27d3000 [ 100.451092] FS: 00007f4d702ec580(0000) GS:ffff934b3bc00000(0000) knlGS:0000000000000000 [ 100.460159] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 ts: lkdtm: REFCOUNT_DEC_AND_TEST_SATURATED.sh [ 100.466601] CR2: 00007f4d700f5000 CR3: 0000000104ca4000 CR4: 00000000003506f0 [ 100.479156] Call Trace: [ 100.481921] __refcount_sub_and_test.constprop.0+0x3c/0x50 [ 100.488083] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x76 [ 100.494446] direct_entry.cold+0x2c/0x38 [ 100.498862] full_proxy_write+0x56/0x80 [ 100.503177] vfs_write+0xea/0x3a0 [ 100.506909] ksys_write+0x68/0xf0 [ 100.510653] do_syscall_64+0x33/0x40 [ 100.514678] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 100.520351] RIP: 0033:0x7f4d702028f3 [ 100.524370] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 100.545397] RSP: 002b:00007ffd874d5e68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 100.553889] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f4d702028f3 [ 100.561892] RDX: 0000000000000020 RSI: 00007f4d700f5000 RDI: 0000000000000001 [ 100.569893] RBP: 00007f4d700f5000 R08: 00007f4d700f4010 R09: 0000000000000000 [ 100.577894] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 100.585897] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 100.593906] irq event stamp: 0 [ 100.597336] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 100.604367] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 100.613532] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 100.622696] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 100.629730] ---[ end trace 42bc2b033115ef67 ]--- [ 100.634910] lkdtm: Saturation detected: still saturated # [ 100.300774] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED # [ 100.313192] lkdtm: attempting bad refcount_dec_and_test() from saturated # [ 100.320710] ------------[ cut here ]------------ # [ 100.325901] refcount_t: underflow; use-after-free. # [ 100.331329] WARNING: CPU: 0 PID: 2530 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 100.340784] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 100.363006] CPU: 0 PID: 2530 Comm: cat Tainted: G D W 5.10.147-cip18 #1 # [ 100.371685] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 100.378329] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 100.384195] Code: 01 01 e8 c4 74 95 00 0f 0b c3 cc cc cc cc 80 3d d6 34 94 01 00 75 85 48 c7 c7 d0 db 11 92 c6 05 c6 34 94 01 01 e8 a1 74 95 00 <0f> 0b c3 cc cc cc cc 80 3d b1 34 94 01 00 0f 85 5e ff ff ff 48 c7 # [ 100.405216] RSP: 0018:ffffaeb542a87e40 EFLAGS: 00010286 # [ 100.411082] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000 # [ 100.419081] RDX: ffff934b3bc2c660 RSI: ffff934b3bc1bf70 RDI: ffff934b3bc1bf70 # [ 100.427085] RBP: ffffffff92181e50 R08: 0000000000000000 R09: 0000000000000000 # [ 100.435090] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 100.443091] R13: ffffaeb542a87f10 R14: ffffaeb542a87f10 R15: ffff934ac27d3000 # [ 100.451092] FS: 00007f4d702ec580(0000) GS:ffff934b3bc00000(0000) knlGS:0000000000000000 # [ 100.460159] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 100.466601] CR2: 00007f4d700f5000 CR3: 0000000104ca4000 CR4: 00000000003506f0 # [ 100.479156] Call Trace: # [ 100.481921] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 100.488083] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x76 # [ 100.494446] direct_entry.cold+0x2c/0x38 # [ 100.498862] full_proxy_write+0x56/0x80 # [ 100.503177] vfs_write+0xea/0x3a0 # [ 100.506909] ksys_write+0x68/0xf0 # [ 100.510653] do_syscall_64+0x33/0x40 # [ 100.514678] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 100.520351] RIP: 0033:0x7f4d702028f3 # [ 100.524370] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 100.545397] RSP: 002b:00007ffd874d5e68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 100.553889] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f4d702028f3 # [ 100.561892] RDX: 0000000000000020 RSI: 00007f4d700f5000 RDI: 0000000000000001 # [ 100.569893] RBP: 00007f4d700f5000 R08: 00007f4d700f4010 R09: 0000000000000000 # [ 100.577894] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 100.585897] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 100.593906] irq event stamp: 0 # [ 100.597336] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 100.604367] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 100.[ 101.025016] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED 613532] softirqs last enabled at (0): [] copy[ 101.038583] lkdtm: attempting bad refcount_sub_and_test() from saturated _process+0x640/0x1c80 # [ 100.622696] softirqs last disabled a[ 101.052315] ------------[ cut here ]------------ t (0): [<0000000000000000>] 0x0 # [ 100.629730] ---[ end trace[ 101.063687] refcount_t: underflow; use-after-free. 42bc2b033115ef67 ]--- # [ 100.634910] lkdtm: Saturation detec[ 101.075368] WARNING: CPU: 1 PID: 2565 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 ted: still saturated # REFCOUNT_DEC_AND_TEST_SATURATED: saw 'Sa[ 101.090988] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify turation detected: still saturated': ok ok 57 selftests: lkdtm:[ 101.113423] CPU: 1 PID: 2565 Comm: cat Tainted: G D W 5.10.147-cip18 #1 REFCOUNT_DEC_AND_TEST_SATURATED.sh # selftests: lkdtm: REFCOUN[ 101.128146] Hardware name: Google Coral/Coral, BIOS 09/29/2020 T_SUB_AND_TEST_SATURATED.sh [ 101.141116] RIP: 0010:refcount_warn_saturate+0xba/0x110 [ 101.149586] Code: 01 01 e8 c4 74 95 00 0f 0b c3 cc cc cc cc 80 3d d6 34 94 01 00 75 85 48 c7 c7 d0 db 11 92 c6 05 c6 34 94 01 01 e8 a1 74 95 00 <0f> 0b c3 cc cc cc cc 80 3d b1 34 94 01 00 0f 85 5e ff ff ff 48 c7 [ 101.170780] RSP: 0018:ffffaeb542b0fe40 EFLAGS: 00010286 [ 101.176714] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000 [ 101.184850] RDX: ffff934b3bd2c660 RSI: ffff934b3bd1bf70 RDI: ffff934b3bd1bf70 [ 101.192926] RBP: ffffffff92181e70 R08: 0000000000000000 R09: 0000000000000000 [ 101.201007] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 [ 101.209080] R13: ffffaeb542b0ff10 R14: ffffaeb542b0ff10 R15: ffff934ac4bd1000 [ 101.217202] FS: 00007f70cc9eb580(0000) GS:ffff934b3bd00000(0000) knlGS:0000000000000000 [ 101.226347] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 101.232923] CR2: 00007f70cc7f4000 CR3: 0000000105820000 CR4: 00000000003506e0 [ 101.240998] Call Trace: [ 101.243852] __refcount_sub_and_test.constprop.0+0x3c/0x50 [ 101.250064] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x76 [ 101.256511] direct_entry.cold+0x2c/0x38 [ 101.260968] full_proxy_write+0x56/0x80 [ 101.265286] vfs_write+0xea/0x3a0 [ 101.269077] ksys_write+0x68/0xf0 [ 101.272817] do_syscall_64+0x33/0x40 [ 101.276875] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 101.282706] RIP: 0033:0x7f70cc9018f3 [ 101.286792] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 101.307960] RSP: 002b:00007ffd458ec468 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 101.316522] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f70cc9018f3 [ 101.324817] RDX: 0000000000000020 RSI: 00007f70cc7f4000 RDI: 0000000000000001 [ 101.332910] RBP: 00007f70cc7f4000 R08: 00007f70cc7f3010 R09: 0000000000000000 [ 101.341118] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 101.349167] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 101.357371] irq event stamp: 0 [ 101.360852] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 101.368108] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 101.377342] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 101.386754] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 101.393828] ---[ end trace 42bc2b033115ef68 ]--- [ 101.399229] lkdtm: Saturation detected: still saturated # [ 101.025016] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED # [ 101.038583] lkdtm: attempting bad refcount_sub_and_test() from saturated # [ 101.052315] ------------[ cut here ]------------ # [ 101.063687] refcount_t: underflow; use-after-free. # [ 101.075368] WARNING: CPU: 1 PID: 2565 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 101.090988] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 101.113423] CPU: 1 PID: 2565 Comm: cat Tainted: G D W 5.10.147-cip18 #1 # [ 101.128146] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 101.141116] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 101.149586] Code: 01 01 e8 c4 74 95 00 0f 0b c3 cc cc cc cc 80 3d d6 34 94 01 00 75 85 48 c7 c7 d0 db 11 92 c6 05 c6 34 94 01 01 e8 a1 74 95 00 <0f> 0b c3 cc cc cc cc 80 3d b1 34 94 01 00 0f 85 5e ff ff ff 48 c7 # [ 101.170780] RSP: 0018:ffffaeb542b0fe40 EFLAGS: 00010286 # [ 101.176714] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000 # [ 101.184850] RDX: ffff934b3bd2c660 RSI: ffff934b3bd1bf70 RDI: ffff934b3bd1bf70 # [ 101.192926] RBP: ffffffff92181e70 R08: 0000000000000000 R09: 0000000000000000 # [ 101.201007] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 101.209080] R13: ffffaeb542b0ff10 R14: ffffaeb542b0ff10 R15: ffff934ac4bd1000 # [ 101.217202] FS: 00007f70cc9eb580(0000) GS:ffff934b3bd00000(0000) knlGS:0000000000000000 # [ 101.226347] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 101.232923] CR2: 00007f70cc7f4000 CR3: 0000000105820000 CR4: 00000000003506e0 # [ 101.240998] Call Trace: # [ 101.243852] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 101.250064] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x76 # [ 101.256511] direct_entry.cold+0x2c/0x38 # [ 101.260968] full_proxy_write+0x56/0x80 # [ 101.265286] vfs_write+0xea/0x3a0 # [ 101.269077] ksys_write+0x68/0xf0 # [ 101.272817] do_syscall_64+0x33/0x40 # [ 101.276875] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 101.282706] RIP: 0033:0x7f70cc9018f3 # [ 101.286792] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 101.307960] RSP: 002b:00007ffd458ec468 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 101.316522] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f70cc9018f3 # [ 101.324817] RDX: 0000000000000020 RSI: 00007f70cc7f4000 RDI: 0000000000000001 # [ 101.332910] RBP: 00007f70cc7f4000 R08: 00007f70cc7f3010 R09: 0000000000000000 # [ 101.341118] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 101.349167] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 101.357371] irq event stamp: 0 # [ 101.360852] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 101.368108] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 101.377342] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 101.386754] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 101.393828] ---[ end trace 42bc2b033115ef68 ]--- # [ 101.399229] 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 [ 102.082225] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO [ 102.088983] lkdtm: attempting good copy_to_user of correct size [ 102.096430] lkdtm: attempting bad copy_to_user of too large size # [ 102.082225] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO # [ 102.088983] lkdtm: attempting good copy_to_user of correct size # [ 102.096430] 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 [ 102.480206] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM [ 102.487184] lkdtm: attempting good copy_from_user of correct size [ 102.494825] lkdtm: attempting bad copy_from_user of too large size # [ 102.480206] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM # [ 102.487184] lkdtm: attempting good copy_from_user of correct size # [ 102.494825] 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 [ 102.882565] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO [ 102.889924] lkdtm: attempting good copy_to_user inside whitelist [ 102.896729] lkdtm: attempting bad copy_to_user outside whitelist # [ 102.882565] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO # [ 102.889924] lkdtm: attempting good copy_to_user inside whitelist # [ 102.896729] 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 [ 103.299844] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM [ 103.307357] lkdtm: attempting good copy_from_user inside whitelist [ 103.314331] lkdtm: attempting bad copy_from_user outside whitelist # [ 103.299844] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM # [ 103.307357] lkdtm: attempting good copy_from_user inside whitelist # [ 103.314331] 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 [ 103.692160] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO [ 103.699120] lkdtm: good_stack: ffffaeb542e8fe20-ffffaeb542e8fe40 [ 103.705879] lkdtm: bad_stack : ffffaeb542e8fda8-ffffaeb542e8fdc8 [ 103.712681] lkdtm: attempting good copy_to_user of local stack [ 103.719238] lkdtm: attempting bad copy_to_user of distant stack # [ 103.692160] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO # [ 103.699120] lkdtm: good_stack: ffffaeb542e8fe20-ffffaeb542e8fe40 # [ 103.705879] lkdtm: bad_stack : ffffaeb542e8fda8-ffffaeb542e8fdc8 # [ 103.712681] lkdtm: attempting good copy_to_user of local stack # [ 103.719238] 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 [ 104.095154] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM [ 104.102318] lkdtm: good_stack: ffffaeb542f17e20-ffffaeb542f17e40 [ 104.109079] lkdtm: bad_stack : ffffaeb542f17da8-ffffaeb542f17dc8 [ 104.116077] lkdtm: attempting good copy_from_user of local stack [ 104.123009] lkdtm: attempting bad copy_from_user of distant stack # [ 104.095154] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM # [ 104.102318] lkdtm: good_stack: ffffaeb542f17e20-ffffaeb542f17e40 # [ 104.109079] lkdtm: bad_stack : ffffaeb542f17da8-ffffaeb542f17dc8 # [ 104.116077] lkdtm: attempting good copy_from_user of local stack # [ 104.123009] 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 [ 104.499080] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND [ 104.505843] lkdtm: good_stack: ffffaeb542f87e20-ffffaeb542f87e40 [ 104.512602] lkdtm: bad_stack : ffffaeb542f87ff8-ffffaeb542f88018 [ 104.519590] lkdtm: attempting good copy_to_user of local stack [ 104.526315] lkdtm: attempting bad copy_to_user of distant stack [ 104.532982] lkdtm: copy_to_user failed, but lacked Oops # [ 104.499080] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND # [ 104.505843] lkdtm: good_stack: ffffaeb542f87e20-ffffaeb542f87e40 # [ 104.512602] lkdtm: bad_stack : ffffaeb542f87ff8-ffffaeb542f88018 # [ 104.519590] lkdtm: attempting good copy_to_user of local stack # [ 104.526315] lkdtm: attempting bad copy_to_user of distant stack # [ 104.532982] 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 [ 104.911077] lkdtm: Performing direct entry USERCOPY_KERNEL [ 104.917282] lkdtm: attempting good copy_to_user from kernel rodata: ffffffff91d9b330 [ 104.926044] lkdtm: attempting bad copy_to_user from kernel text: ffffffff90ae2e40 [ 104.934448] lkdtm: FAIL: survived bad copy_to_user() # [ 104.911077] lkdtm: Performing direct entry USERCOPY_KERNEL # [ 104.917282] lkdtm: attempting good copy_to_user from kernel rodata: ffffffff91d9b330 # [ 104.926044] lkdtm: attempting bad copy_to_user from kernel text: ffffffff90ae2e40 # [ 104.934448] 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 [ 105.317758] lkdtm: Performing direct entry STACKLEAK_ERASING [ 105.324132] lkdtm: checking unused part of the thread stack (15928 bytes)... [ 105.332110] lkdtm: FAIL: the erased part is not found (checked 15928 bytes) [ 105.339942] lkdtm: FAIL: the thread stack is NOT properly erased [ 105.346728] CPU: 1 PID: 2930 Comm: cat Tainted: G D W 5.10.147-cip18 #1 [ 105.355391] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 105.362011] Call Trace: [ 105.364765] dump_stack+0x77/0x9b [ 105.368477] lkdtm_STACKLEAK_ERASING+0x116/0x144 [ 105.373645] direct_entry.cold+0x2c/0x38 [ 105.378038] full_proxy_write+0x56/0x80 [ 105.382333] vfs_write+0xea/0x3a0 [ 105.386043] ksys_write+0x68/0xf0 [ 105.389755] do_syscall_64+0x33/0x40 [ 105.393759] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 105.399415] RIP: 0033:0x7f8b87b5b8f3 [ 105.403417] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 105.424416] RSP: 002b:00007ffc656c1c48 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 105.432888] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f8b87b5b8f3 [ 105.440869] RDX: 0000000000000012 RSI: 00007f8b87a4e000 RDI: 0000000000000001 [ 105.448850] RBP: 00007f8b87a4e000 R08: 00007f8b87a4d010 R09: 0000000000000000 [ 105.456830] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 105.464810] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 105.317758] lkdtm: Performing direct entry STACKLEAK_ERASING # [ 105.324132] lkdtm: checking unused part of the thread stack (15928 bytes)... # [ 105.332110] lkdtm: FAIL: the erased part is not found (checked 15928 bytes) # [ 105.339942] lkdtm: FAIL: the thread stack is NOT properly erased # [ 105.346728] CPU: 1 PID: 2930 Comm: cat Tainted: G D W 5.10.147-cip18 #1 # [ 105.355391] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 105.362011] Call Trace: # [ 105.364765] dump_stack+0x77/0x9b # [ 105.368477] lkdtm_STACKLEAK_ERASING+0x116/0x144 # [ 105.373645] direct_entry.cold+0x2c/0x38 # [ 105.378038] full_proxy_write+0x56/0x80 # [ 105.382333] vfs_write+0xea/0x3a0 # [ 105.386043] ksys_write+0x68/0xf0 # [ 105.389755] do_syscall_64+0x33/0x40 # [ 105.393759] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 105.399415] RIP: 0033:0x7f8b87b5b8f3 # [ 105.403417] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 105.424416] RSP: 002b:00007ffc656c1c48 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 105.432888] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f8b87b5b8f3 # [ 105.440869] RDX: 0000000000000012 RSI: 00007f8b87a4e000 RDI: 0000000000000001 # [ 105.448850] RBP: 00007f8b87a4e000 R08: 00007f8b87a4d010 R09: 0000000000000000 # [ 105.456830] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 105.464810] 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 [ 105.858859] lkdtm: Performing direct entry CFI_FORWARD_PROTO [ 105.865241] lkdtm: Calling matched prototype ... [ 105.870437] lkdtm: Calling mismatched prototype ... [ 105.875925] lkdtm: Fail: survived mismatched prototype function call! # [ 105.858859] lkdtm: Performing direct entry CFI_FORWARD_PROTO # [ 105.865241] lkdtm: Calling matched prototype ... # [ 105.870437] lkdtm: Calling mismatched prototype ... # [ 105.875925] 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 / #