[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_A found @ 430000 (65536 bytes) FMAP: area VBLOCK_A found @ 430000 (65536 bytes) VB2:vb2_verify_keyblock() Checking key block signature... FMAP: area VBLOCK_A found @ 430000 (65536 bytes) FMAP: area VBLOCK_A found @ 430000 (65536 bytes) VB2:vb2_verify_fw_preamble() Verifying preamble. Phase 4 FMAP: area FW_MAIN_A found @ 440000 (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 85273 FMAP: Found "FLASH" version 1.1 at 204000. FMAP: base = 0 size = 1000000 #areas = 35 FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'fspm.bin' CBFS: Found @ offset 2efc0 size 59000 FMAP: area RECOVERY_MRC_CACHE found @ 400000 (65536 bytes) Locality already claimed cr50 TPM 2.0 (i2c 2:0x50 id 0x28) src/lib/tpm2_tlcl.c:208 index 0x100b return code 0 MRC: Hash comparison successful. Using data from RECOVERY_MRC_CACHE MRC cache found, size b2c0 bootmode:2 LPDDR4 SKU id = 0x1 LP4DDR speed is 2400MHz LPDDR4 Ch0 density = 2 LPDDR4 Ch1 density = 2 FMAP: area RW_VAR_MRC_CACHE found @ 420000 (4096 bytes) CBMEM: IMD: root @ 7afff000 254 entries. IMD: root @ 7affec00 62 entries. External stage cache: IMD: root @ 7b7ff000 254 entries. IMD: root @ 7b7fec00 62 entries. creating vboot_handoff structure Chrome EC: clear events_b mask to 0x21004000 src/lib/tpm2_tlcl.c:208 index 0x100b return code 0 tlcl_write: response is 0 src/lib/tpm2_tlcl.c:208 index 0x100b return code 0 MRC: TPM MRC hash updated successfully. CPU: frequency set to 2500 MHz 4 DIMMs found MTRR Range: Start=7a000000 End=7b000000 (Size 1000000) MTRR Range: Start=ff000000 End=0 (Size 1000000) MTRR Range: Start=7b000000 End=7b800000 (Size 800000) FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'fallback/postcar' CBFS: Found @ offset b3000 size 45b8 Decompressing stage fallback/postcar @ 0x7abc5fc0 (34440 bytes) Loading module at 7abc6000 with entry 7abc6000. filesize: 0x4350 memsize: 0x8648 Processing 131 relocs. Offset value of 0x78bc6000 coreboot-v1.9308_26_0.0.22-2597-gfa32d89ed3 Tue Sep 29 21:34:05 UTC 2020 postcar starting... FMAP: Found "FLASH" version 1.1 at 204000. FMAP: base = 0 size = 1000000 #areas = 35 FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'fallback/ramstage' CBFS: Found @ offset 15dc0 size 17c31 Decompressing stage fallback/ramstage @ 0x7ab77fc0 (314352 bytes) Loading module at 7ab78000 with entry 7ab78000. filesize: 0x34618 memsize: 0x4cbb0 Processing 2993 relocs. Offset value of 0x7aa78000 coreboot-v1.9308_26_0.0.22-2597-gfa32d89ed3 Tue Sep 29 21:34:05 UTC 2020 ramstage starting... FMAP: Found "FLASH" version 1.1 at 204000. FMAP: base = 0 size = 1000000 #areas = 35 FMAP: area RO_VPD found @ 200000 (16384 bytes) WARNING: RO_VPD is uninitialized or empty. FMAP: area RW_VPD found @ 428000 (8192 bytes) 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 268989 exit 0 Enumerating buses... Show all devs... Before device enumeration. Root Device: enabled 1 CPU_CLUSTER: 0: enabled 1 APIC: 00: enabled 1 DOMAIN: 0000: enabled 1 PCI: 00:00.0: enabled 1 PCI: 00:00.1: enabled 1 PCI: 00:00.2: enabled 1 PCI: 00:02.0: enabled 1 PCI: 00:03.0: enabled 1 PCI: 00:0d.0: enabled 1 PCI: 00:0d.1: enabled 1 PCI: 00:0d.2: enabled 1 PCI: 00:0d.3: enabled 1 PCI: 00:0e.0: enabled 1 GENERIC: 0.0: enabled 1 PCI: 00:11.0: enabled 0 PCI: 00:12.0: enabled 0 PCI: 00:13.0: enabled 0 PCI: 00:13.1: enabled 0 PCI: 00:13.2: enabled 0 PCI: 00:13.3: enabled 0 PCI: 00:14.0: enabled 1 PCI: 00:00.0: enabled 1 PCI: 00:14.1: enabled 0 PCI: 00:15.0: enabled 1 PCI: 00:15.1: enabled 0 PCI: 00:16.0: enabled 1 I2C: 00:1a: enabled 1 PCI: 00:16.1: enabled 1 PCI: 00:16.2: enabled 1 I2C: 00:50: enabled 1 PCI: 00:16.3: enabled 1 I2C: 00:10: enabled 1 I2C: 00:39: enabled 1 PCI: 00:17.0: enabled 1 I2C: 00:15: enabled 1 I2C: 00:2c: enabled 1 PCI: 00:17.1: enabled 1 I2C: 00:09: enabled 1 PCI: 00:17.2: enabled 0 PCI: 00:17.3: enabled 0 PCI: 00:18.0: enabled 1 PCI: 00:18.1: enabled 1 PCI: 00:18.2: enabled 1 PCI: 00:18.3: enabled 0 PCI: 00:19.0: enabled 1 PCI: 00:19.1: enabled 0 PCI: 00:19.2: enabled 0 PCI: 00:1a.0: enabled 1 PCI: 00:1b.0: enabled 1 PCI: 00:1c.0: enabled 1 PCI: 00:1e.0: enabled 0 PCI: 00:1f.0: enabled 1 PNP: 0c09.0: enabled 1 PCI: 00:1f.1: enabled 1 Compare with tree... Root Device: enabled 1 CPU_CLUSTER: 0: enabled 1 APIC: 00: enabled 1 DOMAIN: 0000: enabled 1 PCI: 00:00.0: enabled 1 PCI: 00:00.1: enabled 1 PCI: 00:00.2: enabled 1 PCI: 00:02.0: enabled 1 PCI: 00:03.0: enabled 1 PCI: 00:0d.0: enabled 1 PCI: 00:0d.1: enabled 1 PCI: 00:0d.2: enabled 1 PCI: 00:0d.3: enabled 1 PCI: 00:0e.0: enabled 1 GENERIC: 0.0: enabled 1 PCI: 00:11.0: enabled 0 PCI: 00:12.0: enabled 0 PCI: 00:13.0: enabled 0 PCI: 00:13.1: enabled 0 PCI: 00:13.2: enabled 0 PCI: 00:13.3: enabled 0 PCI: 00:14.0: enabled 1 PCI: 00:00.0: enabled 1 PCI: 00:14.1: enabled 0 PCI: 00:15.0: enabled 1 PCI: 00:15.1: enabled 0 PCI: 00:16.0: enabled 1 I2C: 00:1a: enabled 1 PCI: 00:16.1: enabled 1 PCI: 00:16.2: enabled 1 I2C: 00:50: enabled 1 PCI: 00:16.3: enabled 1 I2C: 00:10: enabled 1 I2C: 00:39: enabled 1 PCI: 00:17.0: enabled 1 I2C: 00:15: enabled 1 I2C: 00:2c: enabled 1 PCI: 00:17.1: enabled 1 I2C: 00:09: enabled 1 PCI: 00:17.2: enabled 0 PCI: 00:17.3: enabled 0 PCI: 00:18.0: enabled 1 PCI: 00:18.1: enabled 1 PCI: 00:18.2: enabled 1 PCI: 00:18.3: enabled 0 PCI: 00:19.0: enabled 1 PCI: 00:19.1: enabled 0 PCI: 00:19.2: enabled 0 PCI: 00:1a.0: enabled 1 PCI: 00:1b.0: enabled 1 PCI: 00:1c.0: enabled 1 PCI: 00:1e.0: enabled 0 PCI: 00:1f.0: enabled 1 PNP: 0c09.0: enabled 1 PCI: 00:1f.1: enabled 1 Root Device scanning... root_dev_scan_bus for Root Device CPU_CLUSTER: 0 enabled DOMAIN: 0000 enabled DOMAIN: 0000 scanning... PCI: pci_scan_bus for bus 00 PCI: 00:00.0 [8086/0000] ops PCI: 00:00.0 [8086/5af0] enabled PCI: 00:00.1 [8086/5a8c] enabled PCI: 00:00.2 [8086/5a8e] enabled PCI: 00:02.0 [8086/0000] ops PCI: 00:02.0 [8086/5a84] enabled PCI: 00:03.0 [8086/5a88] enabled PCI: 00:0d.0 [8086/0000] ops PCI: 00:0d.0 [8086/5a92] enabled PCI: 00:0d.1 [8086/0000] ops PCI: 00:0d.1 [8086/5a94] enabled PCI: 00:0d.2 [8086/5a96] enabled PCI: 00:0d.3 [8086/0000] ops PCI: 00:0d.3 [8086/5aec] enabled PCI: 00:0e.0 [8086/0000] bus ops PCI: 00:0e.0 [8086/5a98] enabled PCI: 00:0f.0 [8086/0000] ops PCI: 00:0f.0 [8086/5a9a] enabled PCI: 00:0f.1 [8086/5a9c] enabled PCI: 00:0f.2 [8086/5a9e] enabled Capability: type 0x10 @ 0x40 Capability: type 0x05 @ 0x80 Capability: type 0x0d @ 0x90 Capability: type 0x01 @ 0xa0 Capability: type 0x10 @ 0x40 PCI: 00:14.0 subordinate bus PCI Express PCI: 00:14.0 [8086/5ad6] enabled PCI: 00:15.0 [8086/0000] ops PCI: 00:15.0 [8086/5aa8] enabled PCI: 00:16.0 [8086/0000] bus ops PCI: 00:16.0 [8086/5aac] enabled PCI: 00:16.1 [8086/0000] bus ops PCI: 00:16.1 [8086/5aae] enabled PCI: 00:16.2 [8086/0000] bus ops PCI: 00:16.2 [8086/5ab0] enabled PCI: 00:16.3 [8086/0000] bus ops PCI: 00:16.3 [8086/5ab2] enabled PCI: 00:17.0 [8086/0000] bus ops PCI: 00:17.0 [8086/5ab4] enabled PCI: 00:17.1 [8086/0000] bus ops PCI: 00:17.1 [8086/5ab6] enabled PCI: 00:18.0 [8086/0000] ops PCI: 00:18.0 [8086/5abc] enabled PCI: 00:18.1 [8086/0000] ops PCI: 00:18.1 [8086/5abe] enabled PCI: 00:18.2 [8086/0000] ops PCI: 00:18.2 [8086/5ac0] enabled PCI: 00:19.0 [8086/5ac2] enabled PCI: Static device PCI: 00:1a.0 not found, disabling it. PCI: 00:1b.0 [8086/0000] ops PCI: 00:1b.0 [8086/5aca] enabled PCI: 00:1c.0 [8086/5acc] enabled PCI: 00:1f.0 [8086/0000] bus ops PCI: 00:1f.0 [8086/5ae8] enabled PCI: 00:1f.1 [8086/5ad4] enabled PCI: 00:0e.0 scanning... GENERIC: 0.0 enabled scan_bus: scanning of bus PCI: 00:0e.0 took 4834 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 52711 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 14057 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 9983 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 14048 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 18128 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 18139 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 14035 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 11228 usecs scan_bus: scanning of bus DOMAIN: 0000 took 390781 usecs root_dev_scan_bus for Root Device done scan_bus: scanning of bus Root Device took 410721 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 2023-06-21 18:31:40 UTC POST: Unexpected post code in previous boot: 0x98 ELOG: Event(A3) added with size 11 at 2023-06-21 18:31:40 UTC ELOG: Event(A6) added with size 13 at 2023-06-21 18:31:40 UTC ELOG: Event(AA) added with size 11 at 2023-06-21 18:31:40 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 699681 exit 102128 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: 00:0 * [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 2948911 exit 0 Enabling resources... PCI: 00:00.0 cmd <- 07 PCI: 00:00.1 subsystem <- 8086/5a8c PCI: 00:00.1 cmd <- 02 PCI: 00:00.2 subsystem <- 8086/5a8e PCI: 00:00.2 cmd <- 06 PCI: 00:02.0 cmd <- 03 PCI: 00:03.0 subsystem <- 8086/5a88 PCI: 00:03.0 cmd <- 02 PCI: 00:0d.1 cmd <- 07 PCI: 00:0d.2 subsystem <- 8086/5a96 PCI: 00:0d.2 cmd <- 406 PCI: 00:0d.3 cmd <- 06 PCI: 00:0e.0 cmd <- 02 PCI: 00:0f.0 cmd <- 06 PCI: 00:0f.1 cmd <- 06 PCI: 00:0f.2 cmd <- 06 PCI: 00:14.0 bridge ctrl <- 0003 PCI: 00:14.0 cmd <- 06 PCI: 00:15.0 cmd <- 02 PCI: 00:16.0 cmd <- 02 PCI: 00:16.1 cmd <- 02 PCI: 00:16.2 cmd <- 06 PCI: 00:16.3 cmd <- 02 PCI: 00:17.0 cmd <- 02 PCI: 00:17.1 cmd <- 02 PCI: 00:18.0 cmd <- 02 PCI: 00:18.1 cmd <- 02 PCI: 00:18.2 cmd <- 06 PCI: 00:19.0 subsystem <- 8086/5ac2 PCI: 00:19.0 cmd <- 02 PCI: 00:1b.0 cmd <- 06 PCI: 00:1c.0 subsystem <- 8086/5acc PCI: 00:1c.0 cmd <- 06 PCI: 00:1f.0 cmd <- 07 PCI: 00:1f.1 subsystem <- 8086/5ad4 PCI: 00:1f.1 cmd <- 03 PCI: 01:00.0 subsystem <- 8086/095a PCI: 01:00.0 cmd <- 02 done. BS: BS_DEV_ENABLE times (us): entry 169 run 112361 exit 0 FMAP: area FPF_STATUS found @ 42f000 (4096 bytes) Initializing devices... Root Device init ... Root Device init finished in 2133 usecs CPU_CLUSTER: 0 init ... MTRR: Physical address space: 0x0000000000000000 - 0x00000000000a0000 size 0x000a0000 type 6 0x00000000000a0000 - 0x00000000000c0000 size 0x00020000 type 0 0x00000000000c0000 - 0x000000007b800000 size 0x7b740000 type 6 0x000000007b800000 - 0x00000000b0000000 size 0x34800000 type 0 0x00000000b0000000 - 0x00000000c0000000 size 0x10000000 type 1 0x00000000c0000000 - 0x0000000100000000 size 0x40000000 type 0 0x0000000100000000 - 0x0000000180000000 size 0x80000000 type 6 MTRR: Fixed MSR 0x250 0x0606060606060606 MTRR: Fixed MSR 0x258 0x0606060606060606 MTRR: Fixed MSR 0x259 0x0000000000000000 MTRR: Fixed MSR 0x268 0x0606060606060606 MTRR: Fixed MSR 0x269 0x0606060606060606 MTRR: Fixed MSR 0x26a 0x0606060606060606 MTRR: Fixed MSR 0x26b 0x0606060606060606 MTRR: Fixed MSR 0x26c 0x0606060606060606 MTRR: Fixed MSR 0x26d 0x0606060606060606 MTRR: Fixed MSR 0x26e 0x0606060606060606 MTRR: Fixed MSR 0x26f 0x0606060606060606 call enable_fixed_mtrr() CPU physical address size: 39 bits MTRR: default type WB/UC MTRR counts: 6/8. MTRR: WB selected as default type. MTRR: 0 base 0x000000007b800000 mask 0x0000007fff800000 type 0 MTRR: 1 base 0x000000007c000000 mask 0x0000007ffc000000 type 0 MTRR: 2 base 0x0000000080000000 mask 0x0000007fe0000000 type 0 MTRR: 3 base 0x00000000a0000000 mask 0x0000007ff0000000 type 0 MTRR: 4 base 0x00000000b0000000 mask 0x0000007ff0000000 type 1 MTRR: 5 base 0x00000000c0000000 mask 0x0000007fc0000000 type 0 MTRR check Fixed MTRRs : Enabled Variable MTRRs: Enabled Detected 4 core, 4 thread CPU. Will perform SMM setup. FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'cpu_microcode_blob.bin' CBFS: Found @ offset 11d40 size 4000 microcode: sig=0x506c9 pf=0x1 revision=0x2c CPU: Intel(R) Pentium(R) CPU N4200 @ 1.10GHz. Loading module at 00030000 with entry 00030000. filesize: 0x130 memsize: 0x130 Processing 16 relocs. Offset value of 0x00030000 Attempting to start 3 APs Waiting for 10ms after sending INIT. Waiting for 1st SIPI to complete...AP: slot 3 apic_id 4. done. AP: slot 1 apic_id 6. Waiting for 2nd SIPI to complete...done. AP: slot 2 apic_id 2. Loading module at 00038000 with entry 00038000. filesize: 0x1a8 memsize: 0x1a8 Processing 12 relocs. Offset value of 0x00038000 SMM Module: stub loaded at 00038000. Will call 7ab9065d(00000000) Installing SMM handler to 0x7b000000 Loading module at 7b010000 with entry 7b010cfc. filesize: 0x3550 memsize: 0x7630 Processing 229 relocs. Offset value of 0x7b010000 Loading module at 7b008000 with entry 7b008000. filesize: 0x1a8 memsize: 0x1a8 Processing 12 relocs. Offset value of 0x7b008000 SMM Module: placing jmp sequence at 7b007c00 rel16 0x03fd SMM Module: placing jmp sequence at 7b007800 rel16 0x07fd SMM Module: placing jmp sequence at 7b007400 rel16 0x0bfd SMM Module: stub loaded at 7b008000. Will call 7b010cfc(00000000) Clearing SMI status registers New SMBASE 0x7afffc00 Relocation complete. New SMBASE 0x7b000000 Relocation complete. New SMBASE 0x7afff400 Relocation complete. New SMBASE 0x7afff800 Relocation complete. Initializing CPU #0 CPU: vendor Intel device 506c9 CPU: family 06, model 5c, stepping 09 CPU #0 initialized Initializing CPU #2 Initializing CPU #3 Initializing CPU #1 CPU: vendor Intel device 506c9 CPU: family 06, model 5c, stepping 09 CPU: vendor Intel device 506c9 CPU: family 06, model 5c, stepping 09 CPU #2 initialized CPU: vendor Intel device 506c9 CPU: family 06, model 5c, stepping 09 CPU #1 initialized CPU #3 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 467494 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 2233 usecs PCI: 00:00.2 init ... PCI: 00:00.2 init finished in 2232 usecs PCI: 00:02.0 init ... PCI: 00:02.0 init finished in 2233 usecs PCI: 00:03.0 init ... PCI: 00:03.0 init finished in 2230 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 27349 usecs PCI: 00:0d.2 init ... PCI: 00:0d.2 init finished in 2228 usecs PCI: 00:0f.0 init ... PCI: 00:0f.0 init finished in 2232 usecs PCI: 00:0f.1 init ... PCI: 00:0f.1 init finished in 2229 usecs PCI: 00:0f.2 init ... PCI: 00:0f.2 init finished in 2229 usecs PCI: 00:15.0 init ... PCI: 00:15.0 init finished in 2235 usecs PCI: 00:16.0 init ... LPSS I2C bus 0 at 0xc2b21000 (400 KHz) PCI: 00:16.0 init finished in 6115 usecs PCI: 00:16.1 init ... LPSS I2C bus 1 at 0xc2b23000 (400 KHz) PCI: 00:16.1 init finished in 6113 usecs PCI: 00:16.2 init ... LPSS I2C bus 2 at 0xc2b25000 (400 KHz) PCI: 00:16.2 init finished in 6110 usecs PCI: 00:16.3 init ... LPSS I2C bus 3 at 0xc2b27000 (400 KHz) PCI: 00:16.3 init finished in 6112 usecs PCI: 00:17.0 init ... LPSS I2C bus 4 at 0xc2b29000 (400 KHz) PCI: 00:17.0 init finished in 6110 usecs PCI: 00:17.1 init ... LPSS I2C bus 5 at 0xc2b2b000 (400 KHz) PCI: 00:17.1 init finished in 6107 usecs PCI: 00:19.0 init ... PCI: 00:19.0 init finished in 2229 usecs PCI: 00:1c.0 init ... PCI: 00:1c.0 init finished in 2229 usecs PCI: 00:1f.0 init ... RTC Init PCI: 00:1f.0 init finished in 3556 usecs PCI: 00:1f.1 init ... PCI: 00:1f.1 init finished in 2229 usecs PCI: 01:00.0 init ... PCI: 01:00.0 init finished in 2343 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 42131 usecs Devices initialized Show all devs... After init. Root Device: enabled 1 CPU_CLUSTER: 0: enabled 1 APIC: 00: enabled 1 DOMAIN: 0000: enabled 1 PCI: 00:00.0: enabled 1 PCI: 00:00.1: enabled 1 PCI: 00:00.2: enabled 1 PCI: 00:02.0: enabled 1 PCI: 00:03.0: enabled 1 PCI: 00:0d.0: enabled 1 PCI: 00:0d.1: enabled 1 PCI: 00:0d.2: enabled 1 PCI: 00:0d.3: enabled 1 PCI: 00:0e.0: enabled 1 GENERIC: 0.0: enabled 1 PCI: 00:11.0: enabled 0 PCI: 00:12.0: enabled 0 PCI: 00:13.0: enabled 0 PCI: 00:13.1: enabled 0 PCI: 00:13.2: enabled 0 PCI: 00:13.3: enabled 0 PCI: 00:14.0: enabled 1 PCI: 01:00.0: enabled 1 PCI: 00:14.1: enabled 0 PCI: 00:15.0: enabled 1 PCI: 00:15.1: enabled 0 PCI: 00:16.0: enabled 1 I2C: 01:1a: enabled 1 PCI: 00:16.1: enabled 1 PCI: 00:16.2: enabled 1 I2C: 02:50: enabled 1 PCI: 00:16.3: enabled 1 I2C: 03:10: enabled 1 I2C: 03:39: enabled 1 PCI: 00:17.0: enabled 1 I2C: 04:15: enabled 1 I2C: 04:2c: enabled 1 PCI: 00:17.1: enabled 1 I2C: 05:09: enabled 1 PCI: 00:17.2: enabled 0 PCI: 00:17.3: enabled 0 PCI: 00:18.0: enabled 1 PCI: 00:18.1: enabled 1 PCI: 00:18.2: enabled 1 PCI: 00:18.3: enabled 0 PCI: 00:19.0: enabled 1 PCI: 00:19.1: enabled 0 PCI: 00:19.2: enabled 0 PCI: 00:1a.0: enabled 0 PCI: 00:1b.0: enabled 1 PCI: 00:1c.0: enabled 1 PCI: 00:1e.0: enabled 0 PCI: 00:1f.0: enabled 1 PNP: 0c09.0: enabled 1 PCI: 00:1f.1: enabled 1 PCI: 00:0f.0: enabled 1 PCI: 00:0f.1: enabled 1 PCI: 00:0f.2: enabled 1 APIC: 06: enabled 1 APIC: 02: enabled 1 APIC: 04: enabled 1 BS: BS_DEV_INIT times (us): entry 4981 run 880250 exit 881 ELOG: Event(A1) added with size 10 at 2023-06-21 18:31:44 UTC elog_add_boot_reason: Logged recovery mode boot (Dev-switch on), reason: 0x1b ELOG: Event(A0) added with size 9 at 2023-06-21 18:31:44 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 24855 run 3942 exit 5266 BS: BS_OS_RESUME_CHECK times (us): entry 0 run 60 exit 0 FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'fallback/dsdt.aml' CBFS: Found @ offset b7600 size 2e40 FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'fallback/slic' CBFS: 'fallback/slic' not found. ACPI: Writing ACPI tables at 7ab10000. ACPI: * FACS ACPI: * DSDT Ramoops buffer: 0x100000@0x7aa10000. ACPI: * FADT SCI is IRQ9 ACPI: added table 1/32, length now 40 ACPI: * SSDT Found 1 CPU(s) with 4 core(s) each. Turbo is available and visible PSS: 1101MHz power 6000 control 0x1900 status 0x1900 PSS: 1100MHz power 6000 control 0xb00 status 0xb00 PSS: 1000MHz power 5388 control 0xa00 status 0xa00 PSS: 800MHz power 4213 control 0x800 status 0x800 PSS: 1101MHz power 6000 control 0x1900 status 0x1900 PSS: 1100MHz power 6000 control 0xb00 status 0xb00 PSS: 1000MHz power 5388 control 0xa00 status 0xa00 PSS: 800MHz power 4213 control 0x800 status 0x800 PSS: 1101MHz power 6000 control 0x1900 status 0x1900 PSS: 1100MHz power 6000 control 0xb00 status 0xb00 PSS: 1000MHz power 5388 control 0xa00 status 0xa00 PSS: 800MHz power 4213 control 0x800 status 0x800 PSS: 1101MHz power 6000 control 0x1900 status 0x1900 PSS: 1100MHz power 6000 control 0xb00 status 0xb00 PSS: 1000MHz power 5388 control 0xa00 status 0xa00 PSS: 800MHz power 4213 control 0x800 status 0x800 \_SB.PCI0.HDAS.MAXM: Maxim Integrated 98357A Amplifier Error: Could not locate 'wifi_sar' in VPD Error: failed from getting SAR limits! \_SB.PCI0.RP01.WIFI: Intel WiFi PCI: 01:00.0 lpss_i2c: bad counts. hcnt = -8 lcnt = 14 \_SB.PCI0.I2C0.DLG7: Dialog Semiconductor DA7219 Audio Codec address 01ah irq 91 lpss_i2c: bad counts. hcnt = -5 lcnt = 17 \_SB.PCI0.I2C2.TPMI: I2C TPM at I2C: 02:50 lpss_i2c: bad counts. hcnt = -1 lcnt = 77 lpss_i2c: bad counts. hcnt = -23 lcnt = 32 \_SB.PCI0.I2C3.D010: ELAN Touchscreen at I2C: 03:10 \_SB.PCI0.I2C3.D039: Raydium Touchscreen at I2C: 03:39 lpss_i2c: bad counts. hcnt = -1 lcnt = 72 lpss_i2c: bad counts. hcnt = -23 lcnt = 27 \_SB.PCI0.I2C4.D015: ELAN Touchpad at I2C: 04:15 \_SB.PCI0.I2C4.H02C: Synaptics Touchpad at I2C: 04:2c lpss_i2c: bad counts. hcnt = -5 lcnt = 4 \_SB.PCI0.I2C5.H009: WCOM Digitizer at I2C: 05:09 ACPI: added table 2/32, length now 44 ACPI: * MCFG ACPI: added table 3/32, length now 48 ACPI: * TCPA TCPA log created at 7aa00000 ACPI: added table 4/32, length now 52 ACPI: * MADT SCI is IRQ9 ACPI: added table 5/32, length now 56 current = 7ab14920 FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'dmic-4ch-48khz-16b.bin' CBFS: Found @ offset 2e1c0 size be8 Added 4CH DMIC array. FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'dialog-2ch-48khz-24b.bin' CBFS: Found @ offset 2ef00 size 64 FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'dialog-2ch-48khz-24b.bin' CBFS: Found @ offset 2ef00 size 64 Added Dialog_7219 codec. FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'max98357-render-2ch-48khz-24b.bin' CBFS: Found @ offset 2ee00 size 74 Added Maxim_98357 codec. ACPI: * NHLT ACPI: added table 6/32, length now 60 ACPI: * IGD OpRegion ACPI: * HPET ACPI: added table 7/32, length now 64 ACPI: done. ACPI tables: 30656 bytes. smbios_write_tables: 7a9fd000 Create SMBIOS type 17 Root Device (Google Coral) CPU_CLUSTER: 0 (Intel Apollolake SOC) APIC: 00 (Intel Apollolake SOC) DOMAIN: 0000 (Intel Apollolake SOC) PCI: 00:00.0 (Intel Apollolake SOC) PCI: 00:00.1 (Intel Apollolake SOC) PCI: 00:00.2 (Intel Apollolake SOC) PCI: 00:02.0 (Intel Apollolake SOC) PCI: 00:03.0 (Intel Apollolake SOC) PCI: 00:0d.0 (Intel Apollolake SOC) PCI: 00:0d.1 (Intel Apollolake SOC) PCI: 00:0d.2 (Intel Apollolake SOC) PCI: 00:0d.3 (Intel Apollolake SOC) PCI: 00:0e.0 (Intel Apollolake SOC) GENERIC: 0.0 (Maxim Integrated 98357A Amplifier) PCI: 00:11.0 (Intel Apollolake SOC) PCI: 00:12.0 (Intel Apollolake SOC) PCI: 00:13.0 (Intel Apollolake SOC) PCI: 00:13.1 (Intel Apollolake SOC) PCI: 00:13.2 (Intel Apollolake SOC) PCI: 00:13.3 (Intel Apollolake SOC) PCI: 00:14.0 (Intel Apollolake SOC) PCI: 01:00.0 (Intel WiFi) PCI: 00:14.1 (Intel Apollolake SOC) PCI: 00:15.0 (Intel Apollolake SOC) PCI: 00:15.1 (Intel Apollolake SOC) PCI: 00:16.0 (Intel Apollolake SOC) I2C: 01:1a (Dialog Semiconductor DA7219 Audio Codec) PCI: 00:16.1 (Intel Apollolake SOC) PCI: 00:16.2 (Intel Apollolake SOC) I2C: 02:50 (I2C TPM) PCI: 00:16.3 (Intel Apollolake SOC) I2C: 03:10 (I2C Device) I2C: 03:39 (I2C Device) PCI: 00:17.0 (Intel Apollolake SOC) I2C: 04:15 (I2C Device) I2C: 04:2c (I2C HID Device) PCI: 00:17.1 (Intel Apollolake SOC) I2C: 05:09 (I2C HID Device) PCI: 00:17.2 (Intel Apollolake SOC) PCI: 00:17.3 (Intel Apollolake SOC) PCI: 00:18.0 (Intel Apollolake SOC) PCI: 00:18.1 (Intel Apollolake SOC) PCI: 00:18.2 (Intel Apollolake SOC) PCI: 00:18.3 (Intel Apollolake SOC) PCI: 00:19.0 (Intel Apollolake SOC) PCI: 00:19.1 (Intel Apollolake SOC) PCI: 00:19.2 (Intel Apollolake SOC) PCI: 00:1a.0 (Intel Apollolake SOC) PCI: 00:1b.0 (Intel Apollolake SOC) PCI: 00:1c.0 (Intel Apollolake SOC) PCI: 00:1e.0 (Intel Apollolake SOC) PCI: 00:1f.0 (Intel Apollolake SOC) PNP: 0c09.0 (Google Chrome EC) PCI: 00:1f.1 (Intel Apollolake SOC) PCI: 00:0f.0 (unknown) PCI: 00:0f.1 (unknown) PCI: 00:0f.2 (unknown) APIC: 06 (unknown) APIC: 02 (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 9110 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. 7affe940 00000047 GNVS PTR 9. 7affe920 00000004 BS: BS_WRITE_TABLES times (us): entry 0 run 815906 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 173 run 107986 exit 31935 Jumping to boot code at 30104040(7ab34000) CPU0: stack: 7abb4000 - 7abb5000, lowest used address 7abb481c, stack used: 2020 bytes Starting depthcharge on coral... WARNING: can't convert coreboot GPIOs, 'lid' won't be resampled at runtime! WARNING: can't convert coreboot GPIOs, 'power' won't be resampled at runtime! BIOS MMAP details: IFD Base Offset : 0x1000 IFD End Offset : 0xf7f000 MMAP Size : 0xf7e000 MMAP Start : 0xff082000 The GBB signature is at 0x30004040 and is: 24 47 42 42 [firmware-coral-10068.B-rcn] Dec 21 2020 15:04:32 coral: enet dhcp enet dhcp Waiting for link R8152: Initializing Version 9 (ocp_data = 6010) R8152: Done initializing Adding net device done. MAC: 00:e0:4c:78:86:ca Sending DHCP discover... done. Waiting for reply... done. Sending DHCP request... done. Waiting for reply... done. My ip is 192.168.201.17 The DHCP server ip is 192.168.201.1 coral: tftpboot 192.168.201.1 10848631/tftp-deploy-18qx6vlc/kernel/bzImage 10848631/tftp-deploy-18qx6vlc/kernel/cmdline 10848631/tftp-deploy-18qx6vlc/ramdisk/ramdisk.cpio.gz tftpboot 192.168.201.1 10848631/tftp-deploy-18qx6vlc/kernel/bzImploy-18qx6vlc/kernel/cmdline 10848631/tftp-deploy-18qx6vlc/ramdisk/ramdisk.cpio.gz Waiting for link done. MAC: 00:e0:4c:78:86:ca Sending DHCP discover... done. Waiting for reply... done. Sending DHCP request... done. Waiting for reply... done. My ip is 192.168.201.17 The DHCP server ip is 192.168.201.1 TFTP server IP predefined by user: 192.168.201.1 Bootfile predefined by user: 10848631/tftp-deploy-18qx6vlc/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 ################################################################ 00d80000 ################################################################ 00e00000 ################################################################ 00e80000 ################################################################ 00f00000 ################################################################ 00f80000 ################## done. The bootfile was 16393568 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 ################################################################ 00880000 ################################################################ 00900000 ################################################################ 00980000 ################################################################ 00a00000 ##################### done. Sending tftp read request... done. Waiting for the transfer... 00000000 # done. Command line loaded dynamically from TFTP file: 10848631/tftp-deploy-18qx6vlc/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/10848631/extract-nfsrootfs-32x3ydsg,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: 22268060 Starting kernel ... [ 0.000000] Linux version 5.10.185-cip35 (KernelCI@build-j72441-x86-64-gcc-10-x86-64-defconfig-x86-chromebookrkgwn) (gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2) #1 SMP Wed Jun 21 18:22:30 UTC 2023 [ 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/10848631/extract-nfsrootfs-32x3ydsg,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 [ 0.000307] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT [ 0.001154] last_pfn = 0x7a9fd max_arch_pfn = 0x400000000 [ 0.005302] check: Scanning 1 areas for low memory corruption [ 0.005314] Using GB pages for direct mapping [ 0.005719] RAMDISK: [mem 0x375d6000-0x37ffffff] [ 0.005727] ACPI: Early table checksum verification disabled [ 0.005735] ACPI: RSDP 0x00000000000F0000 000024 (v02 CORE ) [ 0.005746] ACPI: XSDT 0x000000007AB100E0 00005C (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.005760] ACPI: FACP 0x000000007AB13130 0000F4 (v04 CORE COREBOOT 00000000 CORE 00000000) [ 0.005773] ACPI: DSDT 0x000000007AB10280 002EA8 (v05 COREv4 COREBOOT 20110725 INTL 20150717) [ 0.005784] ACPI: FACS 0x000000007AB10240 000040 [ 0.005792] ACPI: FACS 0x000000007AB10240 000040 [ 0.005801] ACPI: SSDT 0x000000007AB13230 0015FA (v02 CORE COREBOOT 0000002A CORE 0000002A) [ 0.005811] ACPI: MCFG 0x000000007AB14830 00003C (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.005820] ACPI: TCPA 0x000000007AB14870 000032 (v02 CORE COREBOOT 00000000 CORE 00000000) [ 0.005830] ACPI: APIC 0x000000007AB148B0 00006C (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.005839] ACPI: NHLT 0x000000007AB14920 000E60 (v05 coral coral 00000021 CORE 00000000) [ 0.005849] ACPI: HPET 0x000000007AB17780 000038 (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.005859] ACPI: Reserving FACP table memory at [mem 0x7ab13130-0x7ab13223] [ 0.005863] ACPI: Reserving DSDT table memory at [mem 0x7ab10280-0x7ab13127] [ 0.005867] ACPI: Reserving FACS table memory at [mem 0x7ab10240-0x7ab1027f] [ 0.005871] ACPI: Reserving FACS table memory at [mem 0x7ab10240-0x7ab1027f] [ 0.005875] ACPI: Reserving SSDT table memory at [mem 0x7ab13230-0x7ab14829] [ 0.005879] ACPI: Reserving MCFG table memory at [mem 0x7ab14830-0x7ab1486b] [ 0.005883] ACPI: Reserving TCPA table memory at [mem 0x7ab14870-0x7ab148a1] [ 0.005887] ACPI: Reserving APIC table memory at [mem 0x7ab148b0-0x7ab1491b] [ 0.005891] ACPI: Reserving NHLT table memory at [mem 0x7ab14920-0x7ab1577f] [ 0.005895] ACPI: Reserving HPET table memory at [mem 0x7ab17780-0x7ab177b7] [ 0.006014] No NUMA configuration found [ 0.006018] Faking a node at [mem 0x0000000000000000-0x000000017fffffff] [ 0.006028] NODE_DATA(0) allocated [mem 0x17fff9000-0x17fffcfff] [ 0.006074] Zone ranges: [ 0.006079] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 0.006085] DMA32 [mem 0x0000000001000000-0x00000000ffffffff] [ 0.006091] Normal [mem 0x0000000100000000-0x000000017fffffff] [ 0.006097] Movable zone start for each node [ 0.006100] Early memory node ranges [ 0.006104] node 0: [mem 0x0000000000001000-0x000000000009ffff] [ 0.006109] node 0: [mem 0x0000000000100000-0x000000000fffffff] [ 0.006113] node 0: [mem 0x0000000012151000-0x000000007a9fcfff] [ 0.006117] node 0: [mem 0x0000000100000000-0x000000017fffffff] [ 0.006123] Initmem setup node 0 [mem 0x0000000000001000-0x000000017fffffff] [ 0.006155] On node 0, zone DMA: 1 pages in unavailable ranges [ 0.006205] On node 0, zone DMA: 96 pages in unavailable ranges [ 0.012742] On node 0, zone DMA32: 8529 pages in unavailable ranges [ 0.020039] On node 0, zone Normal: 22019 pages in unavailable ranges [ 0.020073] Reserving Intel graphics memory at [mem 0x7c000000-0x7fffffff] [ 0.020379] ACPI: PM-Timer IO Port: 0x408 [ 0.020453] IOAPIC[0]: apic_id 2, version 32, address 0xfec00000, GSI 0-119 [ 0.020469] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl) [ 0.020475] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 low level) [ 0.020487] Using ACPI (MADT) for SMP configuration information [ 0.020492] ACPI: HPET id: 0x8086a701 base: 0xfed00000 [ 0.020505] TSC deadline timer available [ 0.020510] smpboot: Allowing 4 CPUs, 0 hotplug CPUs [ 0.020541] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] [ 0.020547] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000fffff] [ 0.020552] PM: hibernation: Registered nosave memory: [mem 0x10000000-0x12150fff] [ 0.020557] PM: hibernation: Registered nosave memory: [mem 0x7a9fd000-0x7affffff] [ 0.020562] PM: hibernation: Registered nosave memory: [mem 0x7b000000-0x7fffffff] [ 0.020565] PM: hibernation: Registered nosave memory: [mem 0x80000000-0xcfffffff] [ 0.020569] PM: hibernation: Registered nosave memory: [mem 0xd0000000-0xd0ffffff] [ 0.020573] PM: hibernation: Registered nosave memory: [mem 0xd1000000-0xdfffffff] [ 0.020576] PM: hibernation: Registered nosave memory: [mem 0xe0000000-0xefffffff] [ 0.020580] PM: hibernation: Registered nosave memory: [mem 0xf0000000-0xfed0ffff] [ 0.020584] PM: hibernation: Registered nosave memory: [mem 0xfed10000-0xfed17fff] [ 0.020588] PM: hibernation: Registered nosave memory: [mem 0xfed18000-0xffffffff] [ 0.020595] [mem 0x80000000-0xcfffffff] available for PCI devices [ 0.020604] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1910969940391419 ns [ 0.030908] setup_percpu: NR_CPUS:64 nr_cpumask_bits:64 nr_cpu_ids:4 nr_node_ids:1 [ 0.031534] percpu: Embedded 59 pages/cpu s200848 r8192 d32624 u524288 [ 0.031639] Built 1 zonelists, mobility grouping on. Total pages: 1002002 [ 0.031648] Policy zone: Normal [ 0.031666] 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/10848631/extract-nfsrootfs-32x3ydsg,tcp,hard ip=dhcp tftpserverip=192.168.201.1 [ 0.032627] Dentry cache hash table entries: 524288 (order: 10, 4194304 bytes, linear) [ 0.033067] Inode-cache hash table entries: 262144 (order: 9, 2097152 bytes, linear) [ 0.033134] mem auto-init: stack:off, heap alloc:off, heap free:off [ 0.066400] Memory: 3860852K/4071724K available (22546K kernel code, 3691K rwdata, 9380K rodata, 2148K init, 14096K bss, 210612K reserved, 0K cma-reserved) [ 0.066558] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1 [ 0.066617] Kernel/User page tables isolation: enabled [ 0.066693] ftrace: allocating 60755 entries in 238 pages [ 0.101691] ftrace: allocated 238 pages with 6 groups [ 0.102040] Running RCU self tests [ 0.102058] rcu: Hierarchical RCU implementation. [ 0.102062] rcu: RCU event tracing is enabled. [ 0.102066] rcu: RCU lockdep checking is enabled. [ 0.102070] rcu: RCU restricting CPUs from NR_CPUS=64 to nr_cpu_ids=4. [ 0.102074] Rude variant of Tasks RCU enabled. [ 0.102078] Tracing variant of Tasks RCU enabled. [ 0.102082] rcu: RCU calculated value of scheduler-enlistment delay is 100 jiffies. [ 0.102086] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=4 [ 0.110169] NR_IRQS: 4352, nr_irqs: 1024, preallocated irqs: 16 [ 0.110606] random: crng init done [ 0.110718] Console: colour dummy device 80x25 [ 0.179587] printk: console [ttyS2] enabled [ 0.179950] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 0.180602] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 0.180950] ... MAX_LOCK_DEPTH: 48 [ 0.181309] ... MAX_LOCKDEP_KEYS: 8192 [ 0.181678] ... CLASSHASH_SIZE: 4096 [ 0.182054] ... MAX_LOCKDEP_ENTRIES: 32768 [ 0.182429] ... MAX_LOCKDEP_CHAINS: 65536 [ 0.182810] ... CHAINHASH_SIZE: 32768 [ 0.183195] memory used by lock dependency info: 6365 kB [ 0.183646] memory used for stack traces: 4224 kB [ 0.184055] per task-struct memory footprint: 1920 bytes [ 0.184579] ACPI: Core revision 20200925 [ 0.185186] clocksource: hpet: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 99544814920 ns [ 0.186029] APIC: Switch to symmetric I/O mode setup [ 0.190920] ..TIMER: vector=0x30 apic1=0 pin1=2 apic2=-1 pin2=-1 [ 0.196020] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0xfc66f4fc7c, max_idle_ns: 440795224246 ns [ 0.196906] Calibrating delay loop (skipped), value calculated using timer frequency.. 2188.80 BogoMIPS (lpj=1094400) [ 0.197895] pid_max: default: 32768 minimum: 301 [ 0.198966] LSM: Security Framework initializing [ 0.199392] SELinux: Initializing. [ 0.199938] LSM support for eBPF active [ 0.200313] Mount-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) [ 0.200908] Mountpoint-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) [ 0.202920] mce: CPU0: Thermal monitoring enabled (TM1) [ 0.203464] Last level iTLB entries: 4KB 48, 2MB 0, 4MB 0 [ 0.203894] Last level dTLB entries: 4KB 0, 2MB 0, 4MB 0, 1GB 0 [ 0.204398] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization [ 0.204896] Spectre V2 : Mitigation: Retpolines [ 0.205280] Spectre V2 : Spectre v2 / SpectreRSB mitigation: Filling RSB on context switch [ 0.205893] Spectre V2 : Spectre v2 / SpectreRSB : Filling RSB on VMEXIT [ 0.206459] Speculative Store Bypass: Vulnerable [ 0.227934] ------------[ cut here ]------------ [ 0.228354] missing return thunk: lkdtm_rodata_do_nothing+0x0/0x10-lkdtm_rodata_do_nothing+0x5/0x10: e9 00 00 00 00 [ 0.228368] WARNING: CPU: 0 PID: 0 at arch/x86/kernel/alternative.c:712 apply_returns+0x1f5/0x220 [ 0.229893] Modules linked in: [ 0.230174] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.10.185-cip35 #1 [ 0.230734] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 0.230896] RIP: 0010:apply_returns+0x1f5/0x220 [ 0.231292] Code: 46 02 00 0f 85 e1 fe ff ff 49 89 e8 b9 05 00 00 00 4c 89 f2 48 89 ee 48 c7 c7 88 61 4f a6 c6 05 78 ea 46 02 01 e8 52 c7 10 01 <0f> 0b e9 b9 fe ff ff 44 89 f9 c7 00 cc cc cc cc c7 44 08 fc cc cc [ 0.231894] RSP: 0000:ffffffffa6803de0 EFLAGS: 00010282 [ 0.232343] RAX: 0000000000000000 RBX: ffffffffa740b2cc RCX: 0000000000000000 [ 0.232893] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffffa4777c91 [ 0.233893] RBP: ffffffffa617ed60 R08: 0000000000000001 R09: 0000000000000001 [ 0.234495] R10: ffffffffa688fee0 R11: 3fffffffffffffff R12: ffffffffa7423380 [ 0.234893] R13: cccccccccccccccc R14: ffffffffa617ed65 R15: 0000000000000004 [ 0.235496] FS: 0000000000000000(0000) GS:ffffa2edbbc00000(0000) knlGS:0000000000000000 [ 0.235895] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 0.236894] CR2: ffffa2edbffff000 CR3: 000000001be26000 CR4: 00000000003506f0 [ 0.237494] Call Trace: [ 0.237720] ? __warn+0x80/0x110 [ 0.237896] ? apply_returns+0x1f5/0x220 [ 0.238245] ? report_bug+0x9e/0xc0 [ 0.238548] ? __warn_printk+0x6c/0x8d [ 0.238898] ? handle_bug+0x41/0x90 [ 0.239199] ? exc_invalid_op+0x14/0x70 [ 0.239540] ? asm_exc_invalid_op+0x12/0x20 [ 0.239906] ? console_unlock+0x4d1/0x5f0 [ 0.240253] ? apply_returns+0x1f5/0x220 [ 0.240601] ? lock_acquire+0xbf/0x280 [ 0.240912] alternative_instructions+0x7d/0x143 [ 0.241308] check_bugs+0xe9f/0xefb [ 0.241615] start_kernel+0x517/0x54d [ 0.241903] secondary_startup_64_no_verify+0xc2/0xcb [ 0.242343] irq event stamp: 108559 [ 0.242655] hardirqs last enabled at (108567): [] console_unlock+0x4d1/0x5f0 [ 0.242894] hardirqs last disabled at (108578): [] console_unlock+0x444/0x5f0 [ 0.243895] softirqs last enabled at (108588): [] irq_enter_rcu+0x71/0x80 [ 0.244894] softirqs last disabled at (108599): [] irq_enter_rcu+0x56/0x80 [ 0.245605] ---[ end trace f26eca5477602e35 ]--- [ 0.255118] Freeing SMP alternatives memory: 48K [ 0.256293] smpboot: CPU0: Intel(R) Pentium(R) CPU N4200 @ 1.10GHz (family: 0x6, model: 0x5c, stepping: 0x9) [ 0.258255] Performance Events: PEBS fmt3+, Goldmont events, 32-deep LBR, full-width counters, Intel PMU driver. [ 0.258904] ... version: 4 [ 0.259245] ... bit width: 48 [ 0.259896] ... generic registers: 4 [ 0.260236] ... value mask: 0000ffffffffffff [ 0.260895] ... max period: 00007fffffffffff [ 0.261895] ... fixed-purpose events: 3 [ 0.262235] ... event mask: 000000070000000f [ 0.263343] rcu: Hierarchical SRCU implementation. [ 0.267171] smp: Bringing up secondary CPUs ... [ 0.269198] x86: Booting SMP configuration: [ 0.269906] .... node #0, CPUs: #1 #2 #3 [ 0.276081] smp: Brought up 1 node, 4 CPUs [ 0.277253] smpboot: Max logical packages: 1 [ 0.277905] smpboot: Total of 4 processors activated (8755.20 BogoMIPS) [ 0.282899] devtmpfs: initialized [ 0.284172] x86/mm: Memory block size: 128MB [ 0.291983] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1911260446275000 ns [ 0.292912] futex hash table entries: 1024 (order: 5, 131072 bytes, linear) [ 0.294907] pinctrl core: initialized pinctrl subsystem [ 0.297898] PM: RTC time: 18:32:01, date: 2023-06-21 [ 0.299966] NET: Registered protocol family 16 [ 0.302077] audit: initializing netlink subsys (disabled) [ 0.302969] audit: type=2000 audit(1687372320.111:1): state=initialized audit_enabled=0 res=1 [ 0.304284] thermal_sys: Registered thermal governor 'step_wise' [ 0.304897] thermal_sys: Registered thermal governor 'user_space' [ 0.305988] cpuidle: using governor menu [ 0.308010] ACPI: bus type PCI registered [ 0.309252] PCI: MMCONFIG for domain 0000 [bus 00-ff] at [mem 0xe0000000-0xefffffff] (base 0xe0000000) [ 0.310902] PCI: MMCONFIG at [mem 0xe0000000-0xefffffff] reserved in E820 [ 0.312947] PCI: Using configuration type 1 for base access [ 0.377996] Kprobes globally optimized [ 0.379940] HugeTLB registered 1.00 GiB page size, pre-allocated 0 pages [ 0.380902] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages [ 0.383037] cryptomgr_test (39) used greatest stack depth: 14880 bytes left [ 0.390217] ACPI: Added _OSI(Module Device) [ 0.390897] ACPI: Added _OSI(Processor Device) [ 0.391275] ACPI: Added _OSI(3.0 _SCP Extensions) [ 0.391895] ACPI: Added _OSI(Processor Aggregator Device) [ 0.392897] ACPI: Added _OSI(Linux-Dell-Video) [ 0.393274] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio) [ 0.393897] ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics) [ 0.409933] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 0.421927] ACPI: EC: EC started [ 0.422226] ACPI: EC: interrupt blocked [ 0.423933] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62 [ 0.424899] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC used to handle transactions [ 0.425894] ACPI: Interpreter enabled [ 0.426269] ACPI: (supports S0 S3 S5) [ 0.426899] ACPI: Using IOAPIC for interrupt routing [ 0.427920] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug [ 0.430122] ACPI: Enabled 1 GPEs in block 00 to 7F [ 0.437305] ACPI: Power Resource [PXP] (on) [ 0.463261] ACPI: Power Resource [PRIC] (on) [ 0.490300] ACPI: Power Resource [PRIC] (on) [ 0.573302] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 0.573905] acpi PNP0A08:00: _OSC: OS supports [ExtendedConfig ASPM ClockPM Segments MSI HPX-Type3] [ 0.575129] acpi PNP0A08:00: _OSC: OS now controls [PME PCIeCapability LTR] [ 0.577062] PCI host bridge to bus 0000:00 [ 0.577899] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 0.578897] pci_bus 0000:00: root bus resource [io 0x1000-0xffff window] [ 0.579896] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 0.580896] pci_bus 0000:00: root bus resource [mem 0x7b800000-0x7fffffff window] [ 0.581897] pci_bus 0000:00: root bus resource [mem 0x80000000-0xe0000000 window] [ 0.582898] pci_bus 0000:00: root bus resource [bus 00-ff] [ 0.583974] pci 0000:00:00.0: [8086:5af0] type 00 class 0x060000 [ 0.586227] pci 0000:00:00.1: [8086:5a8c] type 00 class 0x118000 [ 0.586936] pci 0000:00:00.1: reg 0x10: [mem 0xc2b10000-0xc2b17fff 64bit] [ 0.589004] pci 0000:00:00.2: [8086:5a8e] type 00 class 0x130000 [ 0.589915] pci 0000:00:00.2: reg 0x10: [mem 0xc2800000-0xc28fffff 64bit] [ 0.590909] pci 0000:00:00.2: reg 0x18: [mem 0xc2000000-0xc27fffff 64bit] [ 0.591907] pci 0000:00:00.2: reg 0x20: [mem 0xc2b38000-0xc2b381ff 64bit] [ 0.593277] pci 0000:00:02.0: [8086:5a84] type 00 class 0x030000 [ 0.593915] pci 0000:00:02.0: reg 0x10: [mem 0xc0000000-0xc0ffffff 64bit] [ 0.594907] pci 0000:00:02.0: reg 0x18: [mem 0xb0000000-0xbfffffff 64bit pref] [ 0.595904] pci 0000:00:02.0: reg 0x20: [io 0x1000-0x103f] [ 0.597300] pci 0000:00:03.0: [8086:5a88] type 00 class 0x048000 [ 0.597912] pci 0000:00:03.0: reg 0x10: [mem 0xc1000000-0xc1ffffff 64bit] [ 0.599912] pci 0000:00:0e.0: [8086:5a98] type 00 class 0x040100 [ 0.600925] pci 0000:00:0e.0: reg 0x10: [mem 0xc2b18000-0xc2b1bfff 64bit] [ 0.601936] pci 0000:00:0e.0: reg 0x20: [mem 0xc2900000-0xc29fffff 64bit] [ 0.603001] pci 0000:00:0e.0: PME# supported from D0 D3hot D3cold [ 0.605005] pci 0000:00:0f.0: [8086:5a9a] type 00 class 0x078000 [ 0.605932] pci 0000:00:0f.0: reg 0x10: [mem 0xc2b1e000-0xc2b1efff 64bit] [ 0.607051] pci 0000:00:0f.0: PME# supported from D3hot [ 0.608306] pci 0000:00:14.0: [8086:5ad6] type 01 class 0x060400 [ 0.609075] pci 0000:00:14.0: PME# supported from D0 D3hot D3cold [ 0.610977] pci 0000:00:15.0: [8086:5aa8] type 00 class 0x0c0330 [ 0.611922] pci 0000:00:15.0: reg 0x10: [mem 0xc2b00000-0xc2b0ffff 64bit] [ 0.613009] pci 0000:00:15.0: PME# supported from D3hot D3cold [ 0.614963] pci 0000:00:16.0: [8086:5aac] type 00 class 0x118000 [ 0.615932] pci 0000:00:16.0: reg 0x10: [mem 0xc2b21000-0xc2b21fff 64bit] [ 0.616919] pci 0000:00:16.0: reg 0x18: [mem 0xc2b22000-0xc2b22fff 64bit] [ 0.618984] pci 0000:00:16.1: [8086:5aae] type 00 class 0x118000 [ 0.619933] pci 0000:00:16.1: reg 0x10: [mem 0xc2b23000-0xc2b23fff 64bit] [ 0.620919] pci 0000:00:16.1: reg 0x18: [mem 0xc2b24000-0xc2b24fff 64bit] [ 0.623022] pci 0000:00:16.2: [8086:5ab0] type 00 class 0x118000 [ 0.623932] pci 0000:00:16.2: reg 0x10: [mem 0xc2b25000-0xc2b25fff 64bit] [ 0.624919] pci 0000:00:16.2: reg 0x18: [mem 0xc2b26000-0xc2b26fff 64bit] [ 0.626992] pci 0000:00:16.3: [8086:5ab2] type 00 class 0x118000 [ 0.627933] pci 0000:00:16.3: reg 0x10: [mem 0xc2b27000-0xc2b27fff 64bit] [ 0.628919] pci 0000:00:16.3: reg 0x18: [mem 0xc2b28000-0xc2b28fff 64bit] [ 0.631008] pci 0000:00:17.0: [8086:5ab4] type 00 class 0x118000 [ 0.631935] pci 0000:00:17.0: reg 0x10: [mem 0xc2b29000-0xc2b29fff 64bit] [ 0.632918] pci 0000:00:17.0: reg 0x18: [mem 0xc2b2a000-0xc2b2afff 64bit] [ 0.634989] pci 0000:00:17.1: [8086:5ab6] type 00 class 0x118000 [ 0.635933] pci 0000:00:17.1: reg 0x10: [mem 0xc2b2b000-0xc2b2bfff 64bit] [ 0.636920] pci 0000:00:17.1: reg 0x18: [mem 0xc2b2c000-0xc2b2cfff 64bit] [ 0.639012] pci 0000:00:18.0: [8086:5abc] type 00 class 0x118000 [ 0.639934] pci 0000:00:18.0: reg 0x10: [mem 0xc2b2d000-0xc2b2dfff 64bit] [ 0.640919] pci 0000:00:18.0: reg 0x18: [mem 0xc2b2e000-0xc2b2efff 64bit] [ 0.642984] pci 0000:00:18.1: [8086:5abe] type 00 class 0x118000 [ 0.643932] pci 0000:00:18.1: reg 0x10: [mem 0xc2b2f000-0xc2b2ffff 64bit] [ 0.644920] pci 0000:00:18.1: reg 0x18: [mem 0xc2b30000-0xc2b30fff 64bit] [ 0.647001] pci 0000:00:18.2: [8086:5ac0] type 00 class 0x118000 [ 0.647932] pci 0000:00:18.2: reg 0x10: [mem 0xde000000-0xde000fff 64bit] [ 0.648919] pci 0000:00:18.2: reg 0x18: [mem 0xc2b31000-0xc2b31fff 64bit] [ 0.651010] pci 0000:00:19.0: [8086:5ac2] type 00 class 0x118000 [ 0.651932] pci 0000:00:19.0: reg 0x10: [mem 0xc2b32000-0xc2b32fff 64bit] [ 0.652920] pci 0000:00:19.0: reg 0x18: [mem 0xc2b33000-0xc2b33fff 64bit] [ 0.655023] pci 0000:00:1b.0: [8086:5aca] type 00 class 0x080501 [ 0.655922] pci 0000:00:1b.0: reg 0x10: [mem 0xc2b34000-0xc2b34fff 64bit] [ 0.656911] pci 0000:00:1b.0: reg 0x18: [mem 0xc2b35000-0xc2b35fff 64bit] [ 0.658951] pci 0000:00:1c.0: [8086:5acc] type 00 class 0x080501 [ 0.659923] pci 0000:00:1c.0: reg 0x10: [mem 0xc2b36000-0xc2b36fff 64bit] [ 0.660912] pci 0000:00:1c.0: reg 0x18: [mem 0xc2b37000-0xc2b37fff 64bit] [ 0.663067] pci 0000:00:1f.0: [8086:5ae8] type 00 class 0x060100 [ 0.665067] pci 0000:00:1f.1: [8086:5ad4] type 00 class 0x0c0500 [ 0.665961] pci 0000:00:1f.1: reg 0x10: [mem 0xc2b39000-0xc2b390ff 64bit] [ 0.666975] pci 0000:00:1f.1: reg 0x20: [io 0x1040-0x105f] [ 0.669288] pci 0000:01:00.0: [8086:095a] type 00 class 0x028000 [ 0.670271] pci 0000:01:00.0: reg 0x10: [mem 0xc2a00000-0xc2a01fff 64bit] [ 0.671249] pci 0000:01:00.0: Upstream bridge's Max Payload Size set to 128 (was 256, max 256) [ 0.672049] pci 0000:01:00.0: Max Payload Size set to 128 (was 128, max 128) [ 0.675122] pci 0000:01:00.0: PME# supported from D0 D3hot D3cold [ 0.679076] pci 0000:00:14.0: PCI bridge to [bus 01] [ 0.679909] pci 0000:00:14.0: bridge window [mem 0xc2a00000-0xc2afffff] [ 0.694194] ACPI: EC: interrupt unblocked [ 0.694895] ACPI: EC: event unblocked [ 0.695235] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62 [ 0.695895] ACPI: EC: GPE=0x2b [ 0.696169] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC initialization complete [ 0.696898] ACPI: \_SB_.PCI0.LPCB.EC0_: EC: Used to handle transactions and events [ 0.698969] iommu: Default domain type: Translated [ 0.700089] pci 0000:00:02.0: vgaarb: setting as boot VGA device [ 0.700501] pci 0000:00:02.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none [ 0.700918] pci 0000:00:02.0: vgaarb: bridge control possible [ 0.701896] vgaarb: loaded [ 0.703177] SCSI subsystem initialized [ 0.704133] ACPI: bus type USB registered [ 0.705019] usbcore: registered new interface driver usbfs [ 0.705948] usbcore: registered new interface driver hub [ 0.706931] usbcore: registered new device driver usb [ 0.707998] mc: Linux media interface: v0.10 [ 0.708924] videodev: Linux video capture interface: v2.00 [ 0.709929] pps_core: LinuxPPS API ver. 1 registered [ 0.710348] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 0.711905] PTP clock support registered [ 0.713125] Advanced Linux Sound Architecture Driver Initialized. [ 0.715296] NetLabel: Initializing [ 0.715896] NetLabel: domain hash size = 128 [ 0.716269] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO [ 0.716961] NetLabel: unlabeled traffic allowed by default [ 0.718014] PCI: Using ACPI for IRQ routing [ 0.784940] Expanded resource Reserved due to conflict with PCI Bus 0000:00 [ 0.785991] hpet0: at MMIO 0xfed00000, IRQs 2, 8, 0, 0, 0, 0, 0, 0 [ 0.786896] hpet0: 8 comparators, 64-bit 19.200000 MHz counter [ 0.790004] clocksource: Switched to clocksource tsc-early [ 1.173845] VFS: Disk quotas dquot_6.6.0 [ 1.174224] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 1.175184] pnp: PnP ACPI init [ 1.176135] system 00:00: [io 0x0900-0x09fe] has been reserved [ 1.176892] system 00:01: [io 0x0200] has been reserved [ 1.177365] system 00:01: [io 0x0204] has been reserved [ 1.177821] system 00:01: [io 0x0800-0x087f] has been reserved [ 1.178327] system 00:01: [io 0x0880-0x08ff] has been reserved [ 1.180817] pnp: PnP ACPI: found 3 devices [ 1.194622] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns [ 1.195493] NET: Registered protocol family 2 [ 1.196046] IP idents hash table entries: 65536 (order: 7, 524288 bytes, linear) [ 1.198083] tcp_listen_portaddr_hash hash table entries: 2048 (order: 5, 163840 bytes, linear) [ 1.199078] TCP established hash table entries: 32768 (order: 6, 262144 bytes, linear) [ 1.199973] TCP bind hash table entries: 32768 (order: 9, 2359296 bytes, linear) [ 1.202572] TCP: Hash tables configured (established 32768 bind 32768) [ 1.203620] MPTCP token hash table entries: 4096 (order: 6, 360448 bytes, linear) [ 1.204566] UDP hash table entries: 2048 (order: 6, 327680 bytes, linear) [ 1.205434] UDP-Lite hash table entries: 2048 (order: 6, 327680 bytes, linear) [ 1.206529] NET: Registered protocol family 1 [ 1.207644] RPC: Registered named UNIX socket transport module. [ 1.208170] RPC: Registered udp transport module. [ 1.208605] RPC: Registered tcp transport module. [ 1.209013] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 1.210092] NET: Registered protocol family 44 [ 1.210528] pci 0000:00:14.0: PCI bridge to [bus 01] [ 1.210966] pci 0000:00:14.0: bridge window [mem 0xc2a00000-0xc2afffff] [ 1.211567] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7 window] [ 1.212084] pci_bus 0000:00: resource 5 [io 0x1000-0xffff window] [ 1.212612] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window] [ 1.213193] pci_bus 0000:00: resource 7 [mem 0x7b800000-0x7fffffff window] [ 1.213849] pci_bus 0000:00: resource 8 [mem 0x80000000-0xe0000000 window] [ 1.214447] pci_bus 0000:01: resource 1 [mem 0xc2a00000-0xc2afffff] [ 1.215181] pci 0000:00:02.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff] [ 1.218023] PCI: CLS 64 bytes, default 64 [ 1.218832] Unpacking initramfs... [ 1.500846] Freeing initrd memory: 10408K [ 1.501202] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) [ 1.501839] software IO TLB: mapped [mem 0x00000000769fd000-0x000000007a9fd000] (64MB) [ 1.502821] RAPL PMU: API unit is 2^-32 Joules, 4 fixed counters, 655360 ms ovfl timer [ 1.503510] RAPL PMU: hw unit of domain pp0-core 2^-14 Joules [ 1.504003] RAPL PMU: hw unit of domain package 2^-14 Joules [ 1.504506] RAPL PMU: hw unit of domain dram 2^-14 Joules [ 1.504959] RAPL PMU: hw unit of domain pp1-gpu 2^-14 Joules [ 1.506583] kvm: already loaded the other module [ 1.506983] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0xfc66f4fc7c, max_idle_ns: 440795224246 ns [ 1.507875] clocksource: Switched to clocksource tsc [ 1.508402] platform rtc_cmos: registered platform RTC device (no PNP device found) [ 1.511134] check: Scanning for low memory corruption every 60 seconds [ 1.513882] Initialise system trusted keyrings [ 1.514593] workingset: timestamp_bits=56 max_order=20 bucket_order=0 [ 1.529671] NFS: Registering the id_resolver key type [ 1.530150] Key type id_resolver registered [ 1.530548] Key type id_legacy registered [ 1.542184] Key type asymmetric registered [ 1.542599] Asymmetric key parser 'x509' registered [ 1.543081] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 248) [ 1.543732] io scheduler mq-deadline registered [ 1.544117] io scheduler kyber registered [ 1.544709] test_firmware: interface ready [ 1.545787] pcieport 0000:00:14.0: PME: Signaling with IRQ 120 [ 1.547374] ACPI: AC Adapter [AC] (on-line) [ 1.548015] input: Lid Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:14/PNP0C09:00/PNP0C0D:00/input/input0 [ 1.549529] ACPI: Lid Switch [LID0] [ 1.549996] input: Power Button as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0C:00/input/input1 [ 1.550842] ACPI: Power Button [PWRB] [ 1.551315] input: Sleep Button as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0E:00/input/input2 [ 1.552174] ACPI: Sleep Button [SLP] [ 1.552667] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input3 [ 1.553447] ACPI: Power Button [PWRF] [ 1.553973] ACPI: \_PR_.CP00: Found 3 idle states [ 1.554953] ACPI: \_PR_.CP01: Found 3 idle states [ 1.555736] ACPI: \_PR_.CP02: Found 3 idle states [ 1.556499] ACPI: \_PR_.CP03: Found 3 idle states [ 1.559904] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 1.561166] battery: ACPI: Battery Slot [BAT0] (battery present) [ 1.563143] Non-volatile memory driver v1.3 [ 1.563759] Linux agpgart interface v0.103 [ 1.564592] [drm] amdgpu kernel modesetting enabled. [ 1.567660] i915 0000:00:02.0: vgaarb: deactivate vga console [ 1.621501] i915 0000:00:02.0: Invalid PCI ROM header signature: expecting 0xaa55, got 0xa239 [ 1.622252] i915 0000:00:02.0: [drm] Failed to find VBIOS tables (VBT) [ 1.622984] i915 0000:00:02.0: vgaarb: changed VGA decodes: olddecodes=io+mem,decodes=io+mem:owns=io+mem [ 1.624260] i915 0000:00:02.0: Direct firmware load for i915/bxt_dmc_ver1_07.bin failed with error -2 [ 1.625139] i915 0000:00:02.0: [drm] Failed to load DMC firmware i915/bxt_dmc_ver1_07.bin. Disabling runtime power management. [ 1.626117] i915 0000:00:02.0: [drm] DMC firmware homepage: https://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git/tree/i915 [ 1.666312] [drm] Initialized i915 1.6.0 20200917 for 0000:00:02.0 on minor 0 [ 1.669195] [drm] Initialized vgem 1.0.0 20120112 for vgem on minor 1 [ 1.682760] loop: module loaded [ 1.683592] lkdtm: No crash points registered, enable through debugfs [ 1.727094] dw-apb-uart.6: ttyS0 at MMIO 0xc2b2d000 (irq = 4, base_baud = 115200) is a 16550A [ 1.730404] dw-apb-uart.7: ttyS1 at MMIO 0xc2b2f000 (irq = 5, base_baud = 115200) is a 16550A [ 1.733051] printk: console [ttyS2] disabled [ 1.733774] dw-apb-uart.8: ttyS2 at MMIO 0xde000000 (irq = 6, base_baud = 114825) is a 16550A [ 4.865720] printk: console [ttyS2] enabled [ 4.865750] fbcon: i915drmfb (fb0) is primary device [ 4.867748] pxa2xx-spi pxa2xx-spi.9: no DMA channels available, using PIO [ 4.875252] e100: Intel(R) PRO/100 Network Driver [ 4.875255] e100: Copyright(c) 1999-2006 Intel Corporation [ 4.875299] e1000: Intel(R) PRO/1000 Network Driver [ 4.875300] e1000: Copyright (c) 1999-2006 Intel Corporation. [ 4.875367] e1000e: Intel(R) PRO/1000 Network Driver [ 4.875369] e1000e: Copyright(c) 1999 - 2015 Intel Corporation. [ 4.875430] sky2: driver version 1.30 [ 4.875650] usbcore: registered new interface driver r8152 [ 4.876143] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver [ 4.876161] ehci-pci: EHCI PCI platform driver [ 4.876214] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver [ 4.876234] ohci-pci: OHCI PCI platform driver [ 4.876279] uhci_hcd: USB Universal Host Controller Interface driver [ 4.877458] xhci_hcd 0000:00:15.0: xHCI Host Controller [ 4.878386] xhci_hcd 0000:00:15.0: new USB bus registered, assigned bus number 1 [ 4.879700] xhci_hcd 0000:00:15.0: hcc params 0x200077c1 hci version 0x100 quirks 0x0000000081109810 [ 4.879749] xhci_hcd 0000:00:15.0: cache line size of 64 is not supported [ 4.880976] xhci_hcd 0000:00:15.0: xHCI Host Controller [ 4.881465] xhci_hcd 0000:00:15.0: new USB bus registered, assigned bus number 2 [ 4.881496] xhci_hcd 0000:00:15.0: Host supports USB 3.0 SuperSpeed [ 4.881883] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.10 [ 4.881897] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 4.881900] usb usb1: Product: xHCI Host Controller [ 4.881902] usb usb1: Manufacturer: Linux 5.10.185-cip35 xhci-hcd [ 4.881904] usb usb1: SerialNumber: 0000:00:15.0 [ 4.882985] hub 1-0:1.0: USB hub found [ 4.883082] hub 1-0:1.0: 8 ports detected [ 4.884729] usb usb2: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.10 [ 4.884734] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 4.884736] usb usb2: Product: xHCI Host Controller [ 4.884739] usb usb2: Manufacturer: Linux 5.10.185-cip35 xhci-hcd [ 4.884741] usb usb2: SerialNumber: 0000:00:15.0 [ 4.885436] hub 2-0:1.0: USB hub found [ 4.885471] hub 2-0:1.0: 7 ports detected [ 4.886550] usbcore: registered new interface driver usblp [ 4.886601] usbcore: registered new interface driver usb-storage [ 4.886981] udc-core: couldn't find an available UDC - added [g_ether] to list of pending drivers [ 4.887090] i8042: PNP: PS/2 Controller [PNP0303:PS2K] at 0x60,0x64 irq 1 [ 4.887092] i8042: PNP: PS/2 appears to have AUX port disabled, if this is incorrect please boot with i8042.nopnp [ 4.887642] i8042: Warning: Keylock active [ 4.887885] serio: i8042 KBD port at 0x60,0x64 irq 1 [ 4.889821] rtc_cmos rtc_cmos: RTC can wake from S4 [ 4.891592] rtc_cmos rtc_cmos: registered as rtc0 [ 4.891835] rtc_cmos rtc_cmos: alarms up to one month, 114 bytes nvram [ 4.892502] input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input4 [ 4.893957] i801_smbus 0000:00:1f.1: can't derive routing for PCI INT A [ 4.893961] i801_smbus 0000:00:1f.1: PCI INT A: no GSI [ 4.893997] i801_smbus 0000:00:1f.1: SPD Write Disable is set [ 4.894051] genirq: Flags mismatch irq 0. 00000080 (i801_smbus) vs. 00015a00 (timer) [ 4.894069] i801_smbus 0000:00:1f.1: Failed to allocate irq 0: -16 [ 4.894071] i801_smbus 0000:00:1f.1: SMBus using polling [ 4.894934] device-mapper: ioctl: 4.43.0-ioctl (2020-10-01) initialised: dm-devel@redhat.com [ 4.894977] intel_pstate: Intel P-state driver initializing [ 4.897304] sdhci: Secure Digital Host Controller Interface driver [ 4.897310] sdhci: Copyright(c) Pierre Ossman [ 4.897531] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) [ 4.903772] sdhci-pci 0000:00:1c.0: SDHCI controller found [8086:5acc] (rev b) [ 4.911216] mmc0: SDHCI controller on PCI [0000:00:1c.0] using ADMA 64-bit [ 4.912171] hid: raw HID events driver (C) Jiri Kosina [ 4.914402] usbcore: registered new interface driver usbhid [ 4.914407] usbhid: USB HID core driver [ 4.915846] Console: switching to colour frame buffer device 240x67 [ 4.916340] input: Tablet Mode Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:14/PNP0C09:00/GOOG0006:00/input/input5 [ 4.923126] cros_ec_lpcs GOOG0004:00: Chrome EC device registered [ 4.926107] snd_hda_intel 0000:00:0e.0: DSP detected with PCI class/subclass/prog-if info 0x040100 [ 4.930358] snd_hda_intel 0000:00:0e.0: bound 0000:00:02.0 (ops i915_audio_component_bind_ops) [ 4.931449] ipip: IPv4 and MPLS over IPv4 tunneling driver [ 4.932745] IPv4 over IPsec tunneling driver [ 4.933897] Initializing XFRM netlink socket [ 4.935565] NET: Registered protocol family 10 [ 4.939546] Segment Routing with IPv6 [ 4.942528] NET: Registered protocol family 17 [ 4.943304] Key type dns_resolver registered [ 4.956636] microcode: sig=0x506c9, pf=0x1, revision=0x2c [ 4.956874] snd_hda_intel 0000:00:0e.0: Cannot probe codecs, giving up [ 4.961184] i915 0000:00:02.0: [drm] fb0: i915drmfb frame buffer device [ 4.974172] microcode: Microcode Update Driver: v2.2. [ 4.974200] IPI shorthand broadcast: enabled [ 5.047422] mmc0: new HS400 MMC card at address 0001 [ 5.051942] sched_clock: Marking stable (4970383158, 81344726)->(4797593357, 254134527) [ 5.064716] mmcblk0: mmc0:0001 TA2964 58.3 GiB [ 5.078947] registered taskstats version 1 [ 5.085181] mmcblk0boot0: mmc0:0001 TA2964 partition 1 4.00 MiB [ 5.092439] Loading compiled-in X.509 certificates [ 5.103915] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) [ 5.109672] mmcblk0boot1: mmc0:0001 TA2964 partition 2 4.00 MiB [ 5.125249] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) [ 5.131138] mmcblk0rpmb: mmc0:0001 TA2964 partition 3 4.00 MiB, chardev (245:0) [ 5.141874] PM: Magic number: 11:964:544 [ 5.143558] usb 1-5: new high-speed USB device number 2 using xhci_hcd [ 5.567778] printk: console [netcon0] enabled [ 5.572796] netconsole: network logging started [ 5.588898] mmcblk0: p1 p2 p3 p4 p5 p6 p7 p8 p9 p10 p11 p12 [ 5.617218] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) [ 5.728060] usb 1-5: New USB device found, idVendor=0408, idProduct=3090, bcdDevice= 0.04 [ 5.737404] usb 1-5: New USB device strings: Mfr=3, Product=1, SerialNumber=2 [ 5.745408] usb 1-5: Product: USB2.0 HD UVC WebCam [ 5.750791] usb 1-5: Manufacturer: Quanta [ 5.755303] usb 1-5: SerialNumber: 0x0001 [ 5.766004] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) [ 5.826509] usb 2-2: new SuperSpeed Gen 1 USB device number 2 using xhci_hcd [ 5.848087] usb 2-2: New USB device found, idVendor=0bda, idProduct=8153, bcdDevice=31.00 [ 5.857295] usb 2-2: New USB device strings: Mfr=1, Product=2, SerialNumber=6 [ 5.865303] usb 2-2: Product: USB 10/100/1000 LAN [ 5.870591] usb 2-2: Manufacturer: Realtek [ 5.875198] usb 2-2: SerialNumber: 001000001 [ 5.887517] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) [ 5.961517] usb 1-6: new full-speed USB device number 3 using xhci_hcd [ 6.097321] usb 1-6: New USB device found, idVendor=8087, idProduct=0a2a, bcdDevice= 0.03 [ 6.106523] usb 1-6: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 6.119987] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) [ 6.212613] usb 2-2: reset SuperSpeed Gen 1 USB device number 2 using xhci_hcd [ 6.259041] r8152 2-2:1.0: load rtl8153b-2 v2 04/27/23 successfully [ 6.297664] r8152 2-2:1.0 eth0: v1.11.11 [ 6.303312] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) [ 7.911623] r8152 2-2:1.0 eth0: carrier on [ 7.911759] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready [ 7.923779] Sending DHCP requests .., OK [ 10.741248] IP-Config: Got DHCP answer from 192.168.201.1, my address is 192.168.201.17 [ 10.750238] IP-Config: Complete: [ 10.753880] device=eth0, hwaddr=00:e0:4c:78:86:ca, ipaddr=192.168.201.17, mask=255.255.255.0, gw=192.168.201.1 [ 10.765564] host=asus-c523na-a20057-coral-cbg-1, domain=lava-rack, nis-domain=(none) [ 10.774716] bootserver=192.168.201.1, rootserver=192.168.201.1, rootpath= [ 10.774726] nameserver0=192.168.201.1 [ 10.788045] cfg80211: Loading compiled-in X.509 certificates for regulatory database [ 10.811311] modprobe (101) used greatest stack depth: 14208 bytes left [ 10.823724] modprobe (102) used greatest stack depth: 14120 bytes left [ 10.827098] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7' [ 10.839556] platform regulatory.0: Direct firmware load for regulatory.db failed with error -2 [ 10.839972] ALSA device list: [ 10.849428] cfg80211: failed to load regulatory.db [ 10.858256] No soundcards found. [ 10.863789] dw-apb-uart dw-apb-uart.8: forbid DMA for kernel console [ 10.884268] Freeing unused kernel image (initmem) memory: 2148K [ 10.901875] Write protecting the kernel read-only data: 34816k [ 10.912758] Freeing unused kernel image (text/rodata gap) memory: 2028K [ 10.921944] Freeing unused kernel image (rodata/data gap) memory: 860K [ 10.929741] Run /init as init process Loading, please wait... Starting version 247.3-7+deb11u2 [ 11.022493] systemd-udevd (123) used greatest stack depth: 13816 bytes left [ 11.283644] udevadm (125) used greatest stack depth: 13592 bytes left [ 12.028454] chromeos ramoops using acpi device. [ 12.036250] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) [ 12.054704] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) [ 12.095475] cros-usbpd-notify-acpi GOOG0003:00: Couldn't get Chrome EC device pointer. [ 12.102945] i2c_hid i2c-PNP0C50:00: supply vdd not found, using dummy regulator [ 12.106637] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) [ 12.113897] i2c_hid i2c-WCOM50C1:00: supply vdd not found, using dummy regulator [ 12.132720] i2c_hid i2c-PNP0C50:00: supply vddl not found, using dummy regulator [ 12.138744] i2c_hid i2c-WCOM50C1:00: supply vddl not found, using dummy regulator [ 12.162965] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) [ 12.223104] da7219 i2c-DLGS7219:00: Using default DAI clk names: da7219-dai-wclk, da7219-dai-bclk [ 12.234926] da7219 i2c-DLGS7219:00: Invalid micbias pulse level [ 12.245894] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) [ 12.285072] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) [ 12.322839] Registered efivars operations [ 12.328877] gsmi version 1.0 loaded [ 12.335313] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) [ 13.215603] i2c_designware i2c_designware.5: controller timed out [ 13.256501] i2c_designware i2c_designware.5: timeout in disabling adapter [ 13.279192] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) [ 13.292629] uvcvideo: Found UVC 1.00 device USB2.0 HD UVC WebCam (0408:3090) [ 13.300156] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) [ 13.312945] cros-usbpd-charger cros-usbpd-charger.2.auto: Could not get charger port count [ 13.319702] input: USB2.0 HD UVC WebCam: USB2.0 HD as /devices/pci0000:00/0000:00:15.0/usb1/1-5/1-5:1.0/input/input6 [ 13.327562] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) [ 13.344843] usbcore: registered new interface driver uvcvideo [ 13.351348] USB Video Class driver (1.1.1) [ 13.359124] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) [ 13.375732] udevadm (140) used greatest stack depth: 13400 bytes left 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 ... Waiting up to 60 secs for any ethernet to become available Device /sys/class/net/eth0 found done. IP-Config: eth0 hardware address 00:e0:4c:78:86:ca mtu 1500 DHCP IP-Config: eth0 complete (dhcp from 192.168.201.1): address: 192.168.201.17 broadcast: 192.168.201.255 netmask: 255.255.255.0 gateway: 192.168.201.1 dns0 : 192.168.201.1 dns1 : 0.0.0.0 host : asus-c523na-a20057-coral-cbg-1 domain : lava-rack rootserver: 192.168.201.1 rootpath: filename : [ 13.589110] nfsmount (169) used greatest stack depth: 12680 bytes left done. Begin: Running /scripts/nfs-bottom ... done. Begin: Running /scripts/init-bottom ... done. [ 14.325111] i2c_designware i2c_designware.5: timeout in disabling adapter SELinux: Could not open policy file <= /etc/selinux/targeted/policy/policy.33: No such file or directory [ 15.293567] systemd[1]: systemd 247.3-7+deb11u2 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) [ 15.334255] systemd[1]: Detected architecture x86-64. Welcome to Debian GNU/Linux 11 (bullseye)! [ 15.375092] systemd[1]: Set hostname to . [ 16.769460] systemd[1]: Queued start job for default target Graphical Interface. [ 16.786937] systemd[1]: Created slice system-getty.slice. [ OK ] Created slice system-getty.slice. [ 16.805722] systemd[1]: Created slice system-modprobe.slice. [ OK ] Created slice system-modprobe.slice. [ 16.823775] systemd[1]: Created slice system-serial\x2dgetty.slice. [ OK ] Created slice system-serial\x2dgetty.slice. [ 16.842616] systemd[1]: Created slice User and Session Slice. [ OK ] Created slice User and Session Slice. [ 16.860228] systemd[1]: Started Dispatch Password Requests to Console Directory Watch. [ OK ] Started Dispatch Password …ts to Console Directory Watch. [ 16.882871] systemd[1]: Started Forward Password Requests to Wall Directory Watch. [ OK ] Started Forward Password R…uests to Wall Directory Watch. [ 16.907146] systemd[1]: Set up automount Arbitrary Executable File Formats File System Automount Point. [ OK ] Set up automount Arbitrary…s File System Automount Point. [ 16.928194] systemd[1]: Reached target Local Encrypted Volumes. [ OK ] Reached target Local Encrypted Volumes. [ 16.945186] systemd[1]: Reached target Paths. [ OK ] Reached target Paths. [ 16.957068] systemd[1]: Reached target Remote File Systems. [ OK ] Reached target Remote File Systems. [ 16.974042] systemd[1]: Reached target Slices. [ OK ] Reached target Slices. [ 16.986093] systemd[1]: Reached target Swap. [ OK ] Reached target Swap. [ 16.999231] systemd[1]: Listening on initctl Compatibility Named Pipe. [ OK ] Listening on initctl Compatibility Named Pipe. [ 17.020222] systemd[1]: Listening on Journal Audit Socket. [ OK ] Listening on Journal Audit Socket. [ 17.039934] systemd[1]: Listening on Journal Socket (/dev/log). [ OK ] Listening on Journal Socket (/dev/log). [ 17.058878] systemd[1]: Listening on Journal Socket. [ OK ] Listening on Journal Socket. [ 17.077167] systemd[1]: Listening on Network Service Netlink Socket. [ OK ] Listening on Network Service Netlink Socket. [ 17.100945] systemd[1]: Listening on udev Control Socket. [ OK ] Listening on udev Control Socket. [ 17.118561] systemd[1]: Listening on udev Kernel Socket. [ OK ] Listening on udev Kernel Socket. [ 17.142238] systemd[1]: Mounting Huge Pages File System... Mounting Huge Pages File System... [ 17.161442] systemd[1]: Mounting POSIX Message Queue File System... Mounting POSIX Message Queue File System... [ 17.184409] systemd[1]: Mounting Kernel Debug File System... Mounting Kernel Debug File System... [ 17.204162] systemd[1]: Mounting Kernel Trace File System... Mounting Kernel Trace File System... [ 17.228341] systemd[1]: Starting Create list of static device nodes for the current kernel... Starting Create list of st…odes for the current kernel... [ 17.256111] systemd[1]: Starting Load Kernel Module configfs... Starting Load Kernel Module configfs... [ 17.299604] systemd[1]: Starting Load Kernel Module drm... Starting Load Kernel Module drm... [ 17.313844] mount (196) used greatest stack depth: 12528 bytes left [ 17.329240] systemd[1]: Starting Load Kernel Module fuse... Starting Load Kernel Module fuse... [ 17.353754] systemd[1]: Condition check resulted in Set Up Additional Binary Formats being skipped. [ 17.379016] systemd[1]: Starting Journal Service... Starting Journal Service... [ 17.403866] fuse: init (API version 7.32) [ 17.408177] systemd[1]: Starting Load Kernel Modules... Starting Load Kernel Modules... [ 17.427057] systemd[1]: Starting Remount Root and Kernel File Systems... Starting Remount Root and Kernel File Systems... [ 17.450993] systemd[1]: Starting Coldplug All udev Devices... Starting Coldplug All udev Devices... [ 17.479492] systemd[1]: Mounted Huge Pages File System. [ OK ] Mounted Huge Pages File System. [ 17.496170] systemd[1]: Mounted POSIX Message Queue File System. [ OK ] Mounted POSIX Message Queue File System. [ 17.514991] systemd[1]: Mounted Kernel Debug File System. [ OK ] Mounted Kernel Debug File System. [ 17.533475] systemd[1]: Mounted Kernel Trace File System. [ OK ] Mounted Kernel Trace File System. [ 17.555283] systemd[1]: Finished Create list of static device nodes for the current kernel. [ OK ] Finished Create list of st… nodes for the current kernel. [ 17.582160] systemd[1]: modprobe@configfs.service: Succeeded. [ 17.591485] systemd[1]: Finished Load Kernel Module configfs. [ OK ] Finished Load Kernel Module configfs. [ 17.615113] systemd[1]: modprobe@drm.service: Succeeded. [ 17.623684] systemd[1]: Finished Load Kernel Module drm. [ OK ] Finished Load Kernel Module drm. [ 17.643254] systemd[1]: modprobe@fuse.service: Succeeded. [ 17.657833] systemd[1]: Finished Load Kernel Module fuse. [ OK ] Finished Load Kernel Module fuse. [ 17.678008] systemd[1]: Finished Load Kernel Modules. [ OK ] Finished Load Kernel Modules. [ 17.697126] systemd[1]: Finished Remount Root and Kernel File Systems. [ OK ] Finished Remount Root and Kernel File Systems. [ 17.722998] systemd[1]: Mounting FUSE Control File System... Mounting FUSE Control File System... [ 17.745964] systemd[1]: Mounting Kernel Configuration File System... Mounting Kernel Configuration File System... [ 17.769917] systemd[1]: Condition check resulted in Rebuild Hardware Database being skipped. [ 17.780197] systemd[1]: Condition check resulted in Platform Persistent Storage Archival being skipped. [ 17.796791] systemd[1]: Starting Load/Save Random Seed... Starting Load/Save Random Seed... [ 17.822525] systemd[1]: Starting Apply Kernel Variables... Starting Apply Kernel Variables... [ 17.846235] systemd[1]: Starting Create System Users... Starting Create System Users... [ 17.871290] systemd[1]: Mounted FUSE Control File System. [ OK ] Mounted FUSE Control File System. [ 17.890175] systemd[1]: Mounted Kernel Configuration File System. [ OK ] Mounted Kernel Configuration File System. [ 17.921969] systemd[1]: Finished Load/Save Random Seed. [ OK ] Finished Load/Save Random Seed. [ 17.938329] systemd[1]: Condition check resulted in First Boot Complete being skipped. [ 17.961767] systemd[1]: Finished Apply Kernel Variables. [ OK ] Finished Apply Kernel Variables. [ 18.103731] systemd[1]: Finished Create System Users. [ OK ] Finished Create System Users. [ 18.125229] systemd[1]: Starting Create Static Device Nodes in /dev... Starting Create Static Device Nodes in /dev... [ 18.248253] systemd[1]: Started Journal Service. [ OK ] Started Journal Service. Starting Flush Journal to Persistent Storage... [ OK ] Finished Create Static Device Nodes in /dev. [ OK ] Reached target Local File Systems (Pre). [ OK ] Reached target Local File Systems. Starting Rule-based Manage…for Device Events and Files... [ 18.371986] systemd-journald[204]: Received client request to flush runtime journal. [ OK ] Finished Coldplug All udev Devices. [ OK ] Finished Flush Journal to Persistent Storage. Starting Create Volatile Files and Directories... [ OK ] Started Rule-based Manager for Device Events and Files. Starting Network Service... [ OK ] Created slice system-systemd\x2dbacklight.slice. Starting Load/Save Screen …f backlight:intel_backlight... [ OK ] Found device Celeron N3350…3900 Series HSUART Controller. [ OK ] Finished Load/Save Screen … of backlight:intel_backlight. [ OK ] Finished Create Volatile Files and Directories. [ OK ] Started Network Service. [ OK ] Listening on Load/Save RF …itch Status /dev/rfkill Watch. Starting Network Name Resolution... Starting Network Time Synchronization... Starting Update UTMP about System Boot/Shutdown... [ OK ] Finished Update UTMP about System Boot/Shutdown. [ OK ] Started Network Time Synchronization. [ OK ] Reached target System Initialization. [ OK ] Started Daily Cleanup of Temporary Directories. [ OK ] Reached target System Time Set. [ OK ] Reached target System Time Synchronized. [ OK ] Started Daily apt download activities. [ OK ] Started Daily apt upgrade and clean activities. [ OK ] Started Periodic ext4 Onli…ata Check for All Filesystems. [ OK ] Started Discard unused blocks once a week. [ OK ] Reached target Timers. [ OK ] Listening on D-Bus System Message Bus Socket. [ OK ] Reached target Sockets. [ OK ] Reached target Basic System. [ OK ] Started D-Bus System Message Bus. Starting Remove Stale Onli…t4 Metadata Check Snapshots... Starting User Login Management... [ OK ] Started Network Name Resolution. [ OK ] Reached target Network. [ OK ] Reached target Host and Network Name Lookups. Starting Permit User Sessions... [ OK ] Finished Permit User Sessions. [ OK ] Started Getty on tty1. [ OK ] Started Serial Getty on ttyS2. [ OK ] Reached target Login Prompts. [ OK ] Finished Remove Stale Onli…ext4 Metadata Check Snapshots. [ OK ] Started User Login Management. [ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... [ OK ] Finished Update UTMP about System Runlevel Changes. Debian GNU/Linux 11 debian-bullseye-amd64 ttyS2 debian-bullseye-amd64 login: root (automatic login) Linux debian-bullseye-amd64 5.10.185-cip35 #1 SMP Wed Jun 21 18:22:30 UTC 2023 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/10848631/extract-nfsrootfs-32x3ydsg' export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/10848631/extract-nfsrootfs-32x3ydsg' / # 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-10848631/environment . /lava-10848631/environment / # /lava-10848631/bin/lava-test-runner /lava-10848631/0 /lava-10848631/bin/lava-test-runner /lava-10848631/0 + export TESTRUN_ID=0_timesync-off + TESTRUN_ID=0_timesync-off + cd /lava-10848631/0/tests/0_timesync-off ++ cat uuid + UUID=10848631_1.5.2.3.1 + set +x + systemctl stop systemd-timesyncd + set +x + export TESTRUN_ID=1_kselftest-lkdtm + TESTRUN_ID=1_kselftest-lkdtm + cd /lava-10848631/0/tests/1_kselftest-lkdtm ++ cat uuid + UUID=10848631_1.5.2.3.5 + set +x + cd ./automated/linux/kselftest/ + ./kselftest.sh -c lkdtm -T '' -t kselftest_armhf.tar.gz -s True -u http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.182-cip35-289-g3c0549540706/x86_64/x86_64_defconfig+x86-chromebook+kselftest/gcc-10/kselftest.tar.xz -L '' -S /dev/null -b asus-C523NA-A20057-coral -g cip-gitlab -e '' -p /opt/kselftests/mainline/ -n 1 -i 1 INFO: install_deps skipped --2023-06-21 18:32:29-- http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.182-cip35-289-g3c0549540706/x86_64/x86_64_defconfig+x86-chromebook+kselftest/gcc-10/kselftest.tar.xz Resolving storage.kernelci.org (storage.kernelci.org)... 20.171.243.82 Connecting to storage.kernelci.org (storage.kernelci.org)|20.171.243.82|:80... connected. HTTP request sent, awaiting response... 200 OK Length: 3560564 (3.4M) [application/octet-stream] Saving to: 'kselftest.tar.xz' kselftest.tar.xz 0%[ ] 0 --.-KB/s kselftest.tar.xz 1%[ ] 47.81K 184KB/s kselftest.tar.xz 6%[> ] 216.08K 414KB/s kselftest.tar.xz 18%[==> ] 631.82K 666KB/s kselftest.tar.xz 63%[===========> ] 2.16M 1.83MB/s kselftest.tar.xz 81%[===============> ] 2.78M 2.00MB/s kselftest.tar.xz 95%[==================> ] 3.25M 2.04MB/s kselftest.tar.xz 100%[===================>] 3.40M 2.11MB/s in 1.6s 2023-06-21 18:32:31 (2.11 MB/s) - 'kselftest.tar.xz' saved [3560564/3560564] skiplist: ======================================== ======================================== lkdtm:PANIC.sh lkdtm:BUG.sh lkdtm:WARNING.sh lkdtm:WARNING_MESSAGE.sh lkdtm:EXCEPTION.sh lkdtm:LOOP.sh lkdtm:EXHAUST_STACK.sh lkdtm:CORRUPT_STACK.sh lkdtm:CORRUPT_STACK_STRONG.sh lkdtm:CORRUPT_LIST_ADD.sh lkdtm:CORRUPT_LIST_DEL.sh lkdtm:STACK_GUARD_PAGE_LEADING.sh lkdtm:STACK_GUARD_PAGE_TRAILING.sh lkdtm:UNSET_SMEP.sh lkdtm:DOUBLE_FAULT.sh lkdtm:CORRUPT_PAC.sh lkdtm:UNALIGNED_LOAD_STORE_WRITE.sh lkdtm:OVERWRITE_ALLOCATION.sh lkdtm:WRITE_AFTER_FREE.sh lkdtm:READ_AFTER_FREE.sh lkdtm:WRITE_BUDDY_AFTER_FREE.sh lkdtm:READ_BUDDY_AFTER_FREE.sh lkdtm:SLAB_FREE_DOUBLE.sh lkdtm:SLAB_FREE_CROSS.sh lkdtm:SLAB_FREE_PAGE.sh lkdtm:SOFTLOCKUP.sh lkdtm:HARDLOCKUP.sh lkdtm:SPINLOCKUP.sh lkdtm:HUNG_TASK.sh lkdtm:EXEC_DATA.sh lkdtm:EXEC_STACK.sh lkdtm:EXEC_KMALLOC.sh lkdtm:EXEC_VMALLOC.sh lkdtm:EXEC_RODATA.sh lkdtm:EXEC_USERSPACE.sh lkdtm:EXEC_NULL.sh lkdtm:ACCESS_USERSPACE.sh lkdtm:ACCESS_NULL.sh lkdtm:WRITE_RO.sh lkdtm:WRITE_RO_AFTER_INIT.sh lkdtm:WRITE_KERN.sh lkdtm:REFCOUNT_INC_OVERFLOW.sh lkdtm:REFCOUNT_ADD_OVERFLOW.sh lkdtm:REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh lkdtm:REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh lkdtm:REFCOUNT_DEC_ZERO.sh lkdtm:REFCOUNT_DEC_NEGATIVE.sh lkdtm:REFCOUNT_DEC_AND_TEST_NEGATIVE.sh lkdtm:REFCOUNT_SUB_AND_TEST_NEGATIVE.sh lkdtm:REFCOUNT_INC_ZERO.sh lkdtm:REFCOUNT_ADD_ZERO.sh lkdtm:REFCOUNT_INC_SATURATED.sh lkdtm:REFCOUNT_DEC_SATURATED.sh lkdtm:REFCOUNT_ADD_SATURATED.sh lkdtm:REFCOUNT_INC_NOT_ZERO_SATURATED.sh lkdtm:REFCOUNT_ADD_NOT_ZERO_SATURATED.sh lkdtm:REFCOUNT_DEC_AND_TEST_SATURATED.sh lkdtm:REFCOUNT_SUB_AND_TEST_SATURATED.sh lkdtm:REFCOUNT_TIMING.sh lkdtm:ATOMIC_TIMING.sh lkdtm:USERCOPY_HEAP_SIZE_TO.sh lkdtm:USERCOPY_HEAP_SIZE_FROM.sh lkdtm:USERCOPY_HEAP_WHITELIST_TO.sh lkdtm:USERCOPY_HEAP_WHITELIST_FROM.sh lkdtm:USERCOPY_STACK_FRAME_TO.sh lkdtm:USERCOPY_STACK_FRAME_FROM.sh lkdtm:USERCOPY_STACK_BEYOND.sh lkdtm:USERCOPY_KERNEL.sh lkdtm:STACKLEAK_ERASING.sh lkdtm:CFI_FORWARD_PROTO.sh ============== Tests to run =============== lkdtm:PANIC.sh lkdtm:BUG.sh lkdtm:WARNING.sh lkdtm:WARNING_MESSAGE.sh lkdtm:EXCEPTION.sh lkdtm:LOOP.sh lkdtm:EXHAUST_STACK.sh lkdtm:CORRUPT_STACK.sh lkdtm:CORRUPT_STACK_STRONG.sh lkdtm:CORRUPT_LIST_ADD.sh lkdtm:CORRUPT_LIST_DEL.sh lkdtm:STACK_GUARD_PAGE_LEADING.sh lkdtm:STACK_GUARD_PAGE_TRAILING.sh lkdtm:UNSET_SMEP.sh lkdtm:DOUBLE_FAULT.sh lkdtm:CORRUPT_PAC.sh lkdtm:UNALIGNED_LOAD_STORE_WRITE.sh lkdtm:OVERWRITE_ALLOCATION.sh lkdtm:WRITE_AFTER_FREE.sh lkdtm:READ_AFTER_FREE.sh lkdtm:WRITE_BUDDY_AFTER_FREE.sh lkdtm:READ_BUDDY_AFTER_FREE.sh lkdtm:SLAB_FREE_DOUBLE.sh lkdtm:SLAB_FREE_CROSS.sh lkdtm:SLAB_FREE_PAGE.sh lkdtm:SOFTLOCKUP.sh lkdtm:HARDLOCKUP.sh lkdtm:SPINLOCKUP.sh lkdtm:HUNG_TASK.sh lkdtm:EXEC_DATA.sh lkdtm:EXEC_STACK.sh lkdtm:EXEC_KMALLOC.sh lkdtm:EXEC_VMALLOC.sh lkdtm:EXEC_RODATA.sh lkdtm:EXEC_USERSPACE.sh lkdtm:EXEC_NULL.sh lkdtm:ACCESS_USERSPACE.sh lkdtm:ACCESS_NULL.sh lkdtm:WRITE_RO.sh lkdtm:WRITE_RO_AFTER_INIT.sh lkdtm:WRITE_KERN.sh lkdtm:REFCOUNT_INC_OVERFLOW.sh lkdtm:REFCOUNT_ADD_OVERFLOW.sh lkdtm:REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh lkdtm:REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh lkdtm:REFCOUNT_DEC_ZERO.sh lkdtm:REFCOUNT_DEC_NEGATIVE.sh lkdtm:REFCOUNT_DEC_AND_TEST_NEGATIVE.sh lkdtm:REFCOUNT_SUB_AND_TEST_NEGATIVE.sh lkdtm:REFCOUNT_INC_ZERO.sh lkdtm:REFCOUNT_ADD_ZERO.sh lkdtm:REFCOUNT_INC_SATURATED.sh lkdtm:REFCOUNT_DEC_SATURATED.sh lkdtm:REFCOUNT_ADD_SATURATED.sh lkdtm:REFCOUNT_INC_NOT_ZERO_SATURATED.sh lkdtm:REFCOUNT_ADD_NOT_ZERO_SATURATED.sh lkdtm:REFCOUNT_DEC_AND_TEST_SATURATED.sh lkdtm:REFCOUNT_SUB_AND_TEST_SATURATED.sh lkdtm:REFCOUNT_TIMING.sh lkdtm:ATOMIC_TIMING.sh lkdtm:USERCOPY_HEAP_SIZE_TO.sh lkdtm:USERCOPY_HEAP_SIZE_FROM.sh lkdtm:USERCOPY_HEAP_WHITELIST_TO.sh lkdtm:USERCOPY_HEAP_WHITELIST_FROM.sh lkdtm:USERCOPY_STACK_FRAME_TO.sh lkdtm:USERCOPY_STACK_FRAME_FROM.sh lkdtm:USERCOPY_STACK_BEYOND.sh lkdtm:USERCOPY_KERNEL.sh lkdtm:STACKLEAK_ERASING.sh lkdtm:CFI_FORWARD_PROTO.sh ===========End Tests to run =============== [ 43.857973] 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 [ 44.804789] lkdtm: Performing direct entry BUG [ 44.810114] ------------[ cut here ]------------ [ 44.815386] kernel BUG at drivers/misc/lkdtm/bugs.c:76! [ 44.821309] invalid opcode: 0000 [#1] SMP PTI [ 44.826177] CPU: 2 PID: 632 Comm: cat Tainted: G W 5.10.185-cip35 #1 [ 44.834709] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 44.841321] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 44.845691] Code: 89 ff e8 2e e2 79 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 10 51 e9 02 [ 44.866626] RSP: 0018:ffffb5844122fe60 EFLAGS: 00010282 [ 44.872455] RAX: ffffffffa5179a80 RBX: 0000000000000001 RCX: 0000000000000000 [ 44.880409] RDX: 0000000000000000 RSI: ffffa2edbbd1bf70 RDI: ffffffffa617e8d0 [ 44.888376] RBP: ffffffffa665d470 R08: 0000000000000001 R09: 0000000000000001 [ 44.896331] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 44.904288] R13: ffffb5844122ff10 R14: ffffb5844122ff10 R15: ffffa2ed45b7e000 [ 44.912242] FS: 00007f6ff3c91580(0000) GS:ffffa2edbbd00000(0000) knlGS:0000000000000000 [ 44.921262] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 44.927666] CR2: 00007f6ff3a9b000 CR3: 00000001029ae000 CR4: 00000000003506e0 [ 44.935617] Call Trace: [ 44.938356] ? __die_body.cold+0x1a/0x1f [ 44.942734] ? die+0x2b/0x50 [ 44.945947] ? do_trap+0x91/0x110 [ 44.949644] ? lkdtm_BUG+0x5/0x10 [ 44.953345] ? do_error_trap+0x90/0x110 [ 44.957626] ? lkdtm_BUG+0x5/0x10 [ 44.961323] ? lkdtm_BUG+0x5/0x10 [ 44.965022] ? exc_invalid_op+0x4e/0x70 [ 44.969298] ? lkdtm_BUG+0x5/0x10 [ 44.972998] ? asm_exc_invalid_op+0x12/0x20 [ 44.977668] ? direct_entry+0xe0/0xe0 [ 44.981755] ? lkdtm_BUG+0x5/0x10 [ 44.985454] direct_entry.cold+0x2c/0x38 [ 44.989833] full_proxy_write+0x56/0x80 [ 44.994113] vfs_write+0xea/0x3b0 [ 44.997810] ksys_write+0x68/0xf0 [ 45.001507] do_syscall_64+0x33/0x40 [ 45.005493] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 45.011131] RIP: 0033:0x7f6ff3ba7473 [ 45.015122] Code: 8b 15 21 2a 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 [ 45.036066] RSP: 002b:00007ffe4a88ed88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 45.044502] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f6ff3ba7473 [ 45.052452] RDX: 0000000000000004 RSI: 00007f6ff3a9b000 RDI: 0000000000000001 [ 45.060405] RBP: 00007f6ff3a9b000 R08: 00007f6ff3a9a010 R09: 0000000000000000 [ 45.068364] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 45.076321] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 45.084290] Modules linked in: fuse ip_tables cros_ec_sysfs cros_usbpd_charger uvcvideo cros_ec_lightbar cros_ec_chardev videobuf2_vmalloc videobuf2_memops cros_usbpd_logger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table [ 45.126051] gsmi: Log Shutdown Reason 0x03 [ 45.130692] ---[ end trace f26eca5477602e37 ]--- [ 45.135877] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 45.140274] Code: 89 ff e8 2e e2 79 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 10 51 e9 02 [ 45.161245] RSP: 0018:ffffb5844122fe60 EFLAGS: 00010282 [ 45.167093] RAX: ffffffffa5179a80 RBX: 0000000000000001 RCX: 0000000000000000 [ 45.175066] RDX: 0000000000000000 RSI: ffffa2edbbd1bf70 RDI: ffffffffa617e8d0 [ 45.183051] RBP: ffffffffa665d470 R08: 0000000000000001 R09: 0000000000000001 [ 45.191037] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 45.199026] R13: ffffb5844122ff10 R14: ffffb5844122ff10 R15: ffffa2ed45b7e000 [ 45.207012] FS: 00007f6ff3c91580(0000) GS:ffffa2edbbd00000(0000) knlGS:0000000000000000 [ 45.216065] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.222544] CR2: 00007f6ff3a9b000 CR3: 00000001029ae000 CR4: 00000000003506e0 # Segmentation fault # [ 44.804789] lkdtm: Performing direct entry BUG # [ 44.810114] ------------[ cut here ]------------ # [ 44.815386] kernel BUG at drivers/misc/lkdtm/bugs.c:76! # [ 44.821309] invalid opcode: 0000 [#1] SMP PTI # [ 44.826177] CPU: 2 PID: 632 Comm: cat Tainted: G W 5.10.185-cip35 #1 # [ 44.834709] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 44.841321] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 44.845691] Code: 89 ff e8 2e e2 79 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 10 51 e9 02 # [ 44.866626] RSP: 0018:ffffb5844122fe60 EFLAGS: 00010282 # [ 44.872455] RAX: ffffffffa5179a80 RBX: 0000000000000001 RCX: 0000000000000000 # [ 44.880409] RDX: 0000000000000000 RSI: ffffa2edbbd1bf70 RDI: ffffffffa617e8d0 # [ 44.888376] RBP: ffffffffa665d470 R08: 0000000000000001 R09: 0000000000000001 # [ 44.896331] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 44.904288] R13: ffffb5844122ff10 R14: ffffb5844122ff10 R15: ffffa2ed45b7e000 # [ 44.912242] FS: 00007f6ff3c91580(0000) GS:ffffa2edbbd00000(0000) knlGS:0000000000000000 # [ 44.921262] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 44.927666] CR2: 00007f6ff3a9b000 CR3: 00000001029ae000 CR4: 00000000003506e0 # [ 44.935617] Call Trace: # [ 44.938356] ? __die_body.cold+0x1a/0x1f # [ 44.942734] ? die+0x2b/0x50 # [ 44.945947] ? do_trap+0x91/0x110 # [ 44.949644] ? lkdtm_BUG+0x5/0x10 # [ 44.953345] ? do_error_trap+0x90/0x110 # [ 44.957626] ? lkdtm_BUG+0x5/0x10 # [ 44.961323] ? lkdtm_BUG+0x5/0x10 # [ 44.965022] ? exc_invalid_op+0x4e/0x70 # [ 44.969298] ? lkdtm_BUG+0x5/0x10 # [ 44.972998] ? asm_exc_invalid_op+0x12/0x20 # [ 44.977668] ? direct_entry+0xe0/0xe0 # [ 44.981755] ? lkdtm_BUG+0x5/0x10 # [ 44.985454] direct_entry.cold+0x2c/0x38 # [ 44.989833] full_proxy_write+0x56/0x80 # [ 44.994113] vfs_write+0xea/0x3b0 # [ 44.997810] ksys_write+0x68/0xf0 # [ 45.001507] do_syscall_64+0x33/0x40 # [ 45.005493] entry_SYSCALL_64_af[ 45.475935] lkdtm: Performing direct entry WARNING ter_hwframe+0x61/0xc6 # [ 45.011131] RIP: 0033:0x7f6ff3ba7473[ 45.482172] ------------[ cut here ]------------ # [ 45.015122] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 [ 45.493524] WARNING: CPU: 3 PID: 669 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x13/0x20 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 1[ 45.509160] Modules linked in: fuse ip_tables cros_ec_sysfs cros_usbpd_charger uvcvideo cros_ec_lightbar cros_ec_chardev videobuf2_vmalloc videobuf2_memops cros_usbpd_logger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table 4 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 [ 45.555036] CPU: 3 PID: 669 Comm: cat Tainted: G D W 5.10.185-cip35 #1 48 83 ec 28 48 89 54 24 18 # [ 45.036066] RSP: 002b:00007ffe4[ 45.570054] Hardware name: Google Coral/Coral, BIOS 09/29/2020 a88ed88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 45.04[ 45.582628] RIP: 0010:lkdtm_WARNING+0x13/0x20 4502] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f6ff[ 45.593918] 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 10 51 e9 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 f1 50 3ba7473 # [ 45.052452] RDX: 0000000000000004 RSI: 00007f6ff3a[ 45.621077] RSP: 0018:ffffb584412bfe60 EFLAGS: 00010202 9b000 RDI: 0000000000000001 # [ 45.060405] RBP: 00007f6ff3a9b[ 45.633094] RAX: ffffffffa5179a90 RBX: 0000000000000002 RCX: 0000000000000000 000 R08: 00007f6ff3a9a010 R09: 0000000000000000 # [ 45.068364[ 45.647095] RDX: 0000000000000000 RSI: ffffa2edbbd9bf70 RDI: ffffffffa617e8e0 ] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000[ 45.661402] RBP: ffffffffa65f8d77 R08: 0000000000000000 R09: 0000000000000000 001 # [ 45.076321] R13: 0000000000000001 R14: 000000000002000[ 45.675480] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000008 0 R15: 0000000000020000 # [ 45.084290] Modules linked in: fus[ 45.689670] R13: ffffb584412bff10 R14: ffffb584412bff10 R15: ffffa2ed42acf000 e ip_tables cros_ec_sysfs cros_usbpd_charger uvcvideo cros_ec_li[ 45.703845] FS: 00007f2ccfda8580(0000) GS:ffffa2edbbd80000(0000) knlGS:0000000000000000 ghtbar cros_ec_chardev videobuf2_vmalloc videobuf2_memops cros_u[ 45.719111] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 sbpd_logger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_the[ 45.731733] CR2: 00007f2ccfbb2000 CR3: 00000001034ea000 CR4: 00000000003506e0 rmal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max9835[ 45.745917] Call Trace: 7a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_d[ 45.754834] ? __warn+0x80/0x110 maengine regmap_i2c chromeos_pstore coreboot_table # [ 45.126[ 45.764615] ? lkdtm_WARNING+0x13/0x20 051] gsmi: Log Shutdown Reason 0x03 # [ 45.130692] ---[ end t[ 45.775005] ? report_bug+0x9e/0xc0 race f26eca5477602e37 ]--- # [ 45.135877] RIP: 0010:lkdtm_BUG[ 45.785213] ? handle_bug+0x41/0x90 +0x5/0x10 # [ 45.140274] Code: 89 ff e8 2e e2 79 ff 48 c7 c0 [ 45.795230] ? exc_invalid_op+0x14/0x70 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f[ 45.805716] ? asm_exc_invalid_op+0x12/0x20 4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 [ 45.816636] ? lkdtm_BUG+0x10/0x10 00 0f 1f 44 00 00 83 05 10 51 e9 02 # [ 45.161245] RSP: 0018:[ 45.826600] ? lkdtm_WARNING+0x13/0x20 ffffb5844122fe60 EFLAGS: 00010282 # [ 45.167093] RAX: fffffff[ 45.836989] direct_entry.cold+0x2c/0x38 fa5179a80 RBX: 0000000000000001 RCX: 0000000000000000 # [ 45.[ 45.847606] full_proxy_write+0x56/0x80 175066] RDX: 0000000000000000 RSI: ffffa2edbbd1bf70 RDI: fffffff[ 45.858077] vfs_write+0xea/0x3b0 fa617e8d0 # [ 45.183051] RBP: ffffffffa665d470 R08: 000000000[ 45.867988] ksys_write+0x68/0xf0 0000001 R09: 0000000000000001 # [ 45.191037] R10: 00000000fff[ 45.877922] do_syscall_64+0x33/0x40 fe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 45.1990[ 45.888099] entry_SYSCALL_64_after_hwframe+0x61/0xc6 26] R13: ffffb5844122ff10 R14: ffffb5844122ff10 R15: ffffa2ed45b[ 45.899940] RIP: 0033:0x7f2ccfcbe473 7e000 # [ 45.207012] FS: 00007f6ff3c91580(0000) GS:ffffa2edb[ 45.910180] Code: 8b 15 21 2a 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 bd00000(0000) knlGS:0000000000000000 # [ 45.216065] CS: 0010[ 45.937324] RSP: 002b:00007ffd464b0ff8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 45.222544] CR2: [ 45.951961] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007f2ccfcbe473 00007f6ff3a9b000 CR3: 00000001029ae000 CR4: 00000000003506e0 # [ 45.966132] RDX: 0000000000000008 RSI: 00007f2ccfbb2000 RDI: 0000000000000001 BUG: saw 'kernel BUG at': ok ok 2 selftests: lkdtm: BUG.sh # s[ 45.980289] RBP: 00007f2ccfbb2000 R08: 00007f2ccfbb1010 R09: 0000000000000000 elftests: lkdtm: WARNING.sh [ 45.994476] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 46.005234] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 46.013226] irq event stamp: 0 [ 46.016656] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 46.023689] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 [ 46.032840] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 [ 46.041987] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 46.049005] ---[ end trace f26eca5477602e38 ]--- # [ 45.475935] lkdtm: Performing direct entry WARNING # [ 45.482172] ------------[ cut here ]------------ # [ 45.493524] WARNING: CPU: 3 PID: 669 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x13/0x20 # [ 45.509160] Modules linked in: fuse ip_tables cros_ec_sysfs cros_usbpd_charger uvcvideo cros_ec_lightbar cros_ec_chardev videobuf2_vmalloc videobuf2_memops cros_usbpd_logger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 45.555036] CPU: 3 PID: 669 Comm: cat Tainted: G D W 5.10.185-cip35 #1 # [ 45.570054] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 45.582628] RIP: 0010:lkdtm_WARNING+0x13/0x20 # [ 45.593918] 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 10 51 e9 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 f1 50 # [ 45.621077] RSP: 0018:ffffb584412bfe60 EFLAGS: 00010202 # [ 45.633094] RAX: ffffffffa5179a90 RBX: 0000000000000002 RCX: 0000000000000000 # [ 45.647095] RDX: 0000000000000000 RSI: ffffa2edbbd9bf70 RDI: ffffffffa617e8e0 # [ 45.661402] RBP: ffffffffa65f8d77 R08: 0000000000000000 R09: 0000000000000000 # [ 45.675480] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000008 # [ 45.689670] R13: ffffb584412bff10 R14: ffffb584412bff10 R15: ffffa2ed42acf000 # [ 45.703845] FS: 00007f2ccfda8580(0000) GS:ffffa2edbbd80000(0000) knlGS:0000000000000000 # [ 45.719111] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 45.731733] CR2: 00007f2ccfbb2000 CR3: 00000001034ea000 CR4: 00000000003506e0 # [ 45.745917] Call Trace: # [ 45.754834] ? __warn+0x80/0x110 # [ 45.764615] ? lkdtm_WARNING+0x13/0x20 # [ 45.775005] ? report_bug+0x9e/0xc0 # [ 45.785213] ? handle_bug+0x41/0x90 # [ 45.795230] ? exc_invalid_op+0x14/0x70 # [ 45.805716] ? asm_exc_invalid_op+0x12/0x20 # [ 45.816636] ? lkdtm_BUG+0x10/0x10 # [ 45.826600] ? lkdtm_WARNING+0x13/0x20 # [ 45.836989] direct_entry.cold+0x2c/0x38 # [ 45.847606] full_proxy_write+0x56/0x80 # [ 45.858077] v[ 46.311420] lkdtm: Performing direct entry WARNING_MESSAGE fs_write+0xea/0x3b0 # [ 45.867988] ksys_write+0x68/0xf0 # [[ 46.320248] ------------[ cut here ]------------ 45.877922] do_syscall_64+0x33/0x40 # [ 45.888099] entry_[ 46.331580] Warning message trigger count: 2 SYSCALL_64_after_hwframe+0x61/0xc6 # [ 45.899940] RIP: 0033:0[ 46.342607] WARNING: CPU: 2 PID: 704 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30 x7f2ccfcbe473 # [ 45.910180] Code: 8b 15 21 2a 0e 00 f7 d8 64[ 46.358925] Modules linked in: fuse ip_tables cros_ec_sysfs cros_usbpd_charger uvcvideo cros_ec_lightbar cros_ec_chardev videobuf2_vmalloc videobuf2_memops cros_usbpd_logger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table [ 46.404972] CPU: 2 PID: 704 Comm: cat Tainted: G D W 5.10.185-cip35 #1 [ 46.413564] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 46.420200] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30 [ 46.425861] Code: cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 f1 50 e9 02 48 c7 c7 d8 92 5f a6 8d 70 01 89 35 e1 50 e9 02 e8 07 9c 64 00 <0f> 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 c7 [ 46.446840] RSP: 0018:ffffb58441337e60 EFLAGS: 00010286 [ 46.452685] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 [ 46.460653] RDX: ffffa2edbbd2c660 RSI: ffffa2edbbd1bf70 RDI: ffffa2edbbd1bf70 [ 46.468627] RBP: ffffffffa65f8d7f R08: 0000000000000000 R09: 0000000000000000 [ 46.476605] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010 [ 46.484593] R13: ffffb58441337f10 R14: ffffb58441337f10 R15: ffffa2ed441a0000 [ 46.492565] FS: 00007f9a09f37580(0000) GS:ffffa2edbbd00000(0000) knlGS:0000000000000000 [ 46.501601] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.508025] CR2: 00007f9a09d41000 CR3: 0000000103c8e000 CR4: 00000000003506e0 [ 46.516007] Call Trace: [ 46.518765] ? __warn+0x80/0x110 [ 46.522394] ? lkdtm_WARNING_MESSAGE+0x20/0x30 [ 46.527376] ? report_bug+0x9e/0xc0 [ 46.531288] ? handle_bug+0x41/0x90 [ 46.535198] ? exc_invalid_op+0x14/0x70 [ 46.539504] ? asm_exc_invalid_op+0x12/0x20 [ 46.544206] ? lkdtm_WARNING_MESSAGE+0x20/0x30 [ 46.549187] direct_entry.cold+0x2c/0x38 [ 46.553594] full_proxy_write+0x56/0x80 [ 46.557898] vfs_write+0xea/0x3b0 [ 46.561620] ksys_write+0x68/0xf0 [ 46.565347] do_syscall_64+0x33/0x40 [ 46.569363] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 46.575024] RIP: 0033:0x7f9a09e4d473 [ 46.579040] Code: 8b 15 21 2a 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 [ 46.600030] RSP: 002b:00007ffef16c9c48 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 46.608502] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007f9a09e4d473 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 [ 46.616487] RDX: 0000000000000010 RSI: 00007f9a09d41000 RDI: 0000000000000001 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3[ 46.630663] RBP: 00007f9a09d41000 R08: 00007f9a09d40010 R09: 0000000000000000 [ 46.644836] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 46.652818] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 46.660816] irq event stamp: 0 [ 46.664245] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 46.671267] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 [ 46.680415] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 [ 46.689566] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 46.696577] ---[ end trace f26eca5477602e39 ]--- 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 45.937324] RSP: 002b:00007ffd464b0ff8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 45.951961] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007f2ccfcbe473 # [ 45.966132] RDX: 0000000000000008 RSI: 00007f2ccfbb2000 RDI: 0000000000000001 # [ 45.980289] RBP: 00007f2ccfbb2000 R08: 00007f2ccfbb1010 R09: 0000000000000000 # [ 45.994476] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 46.005234] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 46.013226] irq event stamp: 0 # [ 46.016656] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 46.023689] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 46.032840] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 46.041987] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 46.049005] ---[ end trace f26eca5477602e38 ]--- # WARNING: saw 'WARNING:': ok ok 3 selftests: lkdtm: WARNING.sh # selftests: lkdtm: WARNING_MESSAGE.sh # [ 46.311420] lkdtm: Performing direct entry WARNING_MESSAGE # [ 46.320248] ------------[ cut here ]------------ # [ 46.331580] Warning message trigger count: 2 # [ 46.342607] WARNING: CPU: 2 PID: 704 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 46.358925] Modules linked in: fuse ip_tables cros_ec_sysfs cros_usbpd_charger uvcvideo cros_ec_lightbar cros_ec_chardev videobuf2_vmalloc videobuf2_memops cros_usbpd_logger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 46.404972] CPU: 2 PID: 704 Comm: cat Tainted: G D W 5.10.185-cip35 #1 # [ 46.413564] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 46.420200] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 46.425861] Code: cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 f1 50 e9 02 48 c7 c7 d8 92 5f a6 8d 70 01 89 35 e1 50 e9 02 e8 07 9c 64 00 <0f> 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 c7 # [ 46.446840] RSP: 0018:ffffb58441337e60 EFLAGS: 00010286 # [ 46.452685] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 # [ 46.460653] RDX: ffffa2edbbd2c660 RSI: ffffa2edbbd1bf70 RDI: ffffa2edbbd1bf70 # [ 46.468627] RBP: ffffffffa65f8d7f R08: 0000000000000000 R09: 0000000000000000 # [ 46.476605] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010 # [ 46.484593] R13: ffffb58441337f10 R14: ffffb58441337f10 R15: ffffa2ed441a0000 # [ 46.492565] FS: 00007f9a09f37580(0000) GS:ffffa2e[ 46.967567] lkdtm: Performing direct entry EXCEPTION [ 46.974098] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 46.981878] #PF: supervisor write access in kernel mode [ 46.987710] #PF: error_code(0x0002) - not-present page [ 46.993439] PGD 0 P4D 0 [ 46.996274] Oops: 0002 [#2] SMP PTI [ 47.000169] CPU: 0 PID: 736 Comm: cat Tainted: G D W 5.10.185-cip35 #1 [ 47.008710] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 47.015330] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20 [ 47.020295] Code: 48 c7 c7 d8 92 5f a6 8d 70 01 89 35 e1 50 e9 02 e8 07 9c 64 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 [ 47.041247] RSP: 0018:ffffb5844139fe60 EFLAGS: 00010282 [ 47.047079] RAX: ffffffffa5179ae0 RBX: 0000000000000004 RCX: 0000000000000000 [ 47.055044] RDX: 0000000000000000 RSI: ffffa2edbbc1bf70 RDI: ffffffffa617e900 [ 47.063011] RBP: ffffffffa64ed267 R08: 0000000000000000 R09: 0000000000000000 [ 47.070973] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a [ 47.078928] R13: ffffb5844139ff10 R14: ffffb5844139ff10 R15: ffffa2ed43e33000 [ 47.086890] FS: 00007f5be7365580(0000) GS:ffffa2edbbc00000(0000) knlGS:0000000000000000 [ 47.095918] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 47.102321] CR2: 0000000000000000 CR3: 0000000103264000 CR4: 00000000003506f0 [ 47.110280] Call Trace: [ 47.113018] ? __die_body.cold+0x1a/0x1f [ 47.117391] ? no_context+0x177/0x380 [ 47.121481] ? exc_page_fault+0x53/0x170 [ 47.125854] ? asm_exc_page_fault+0x1e/0x30 [ 47.130530] ? lkdtm_WARNING_MESSAGE+0x30/0x30 [ 47.135494] ? lkdtm_EXCEPTION+0x5/0x20 [ 47.139778] direct_entry.cold+0x2c/0x38 dbbd00000(0000) knlGS:0000000000000000 # [ 46.501601] CS: 00[ 47.144159] full_proxy_write+0x56/0x80 10[ DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 46.508025] CR2 47.154627] vfs_write+0xea/0x3b0 [ 47.164526] ksys_write+0x68/0xf0 [ 47.168228] do_syscall_64+0x33/0x40 [ 47.172217] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 47.177855] RIP: 0033:0x7f5be727b473 [ 47.181844] Code: 8b 15 21 2a 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 [ 47.202787] RSP: 002b:00007ffe73c4bf68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 47.211243] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f5be727b473 [ 47.219203] RDX: 000000000000000a RSI: 00007f5be716f000 RDI: 0000000000000001 [ 47.227165] RBP: 00007f5be716f000 R08: 00007f5be716e010 R09: 0000000000000000 [ 47.235125] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 47.243089] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 : 00007f9a09d41000 CR3: 0000000103c8e000 CR4: 00000000003506e0 [ 47.251053] Modules linked in: fuse ip_tables cros_ec_sysfs cros_usbpd_charger uvcvideo cros_ec_lightbar cros_ec_chardev videobuf2_vmalloc videobuf2_memops cros_usbpd_logger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table [ 47.296992] CR2: 0000000000000000 [ 47.300692] ---[ end trace f26eca5477602e3a ]--- [ 47.305850] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 47.310225] Code: 89 ff e8 2e e2 79 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 10 51 e9 02 [ 47.331158] RSP: 0018:ffffb5844122fe60 EFLAGS: 00010282 [ 47.336985] RAX: ffffffffa5179a80 RBX: 0000000000000001 RCX: 0000000000000000 [ 47.344943] RDX: 0000000000000000 RSI: ffffa2edbbd1bf70 RDI: ffffffffa617e8d0 [ 47.352898] RBP: ffffffffa665d470 R08: 0000000000000001 R09: 0000000000000001 [ 47.360848] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 47.368800] R13: ffffb5844122ff10 R14: ffffb5844122ff10 R15: ffffa2ed45b7e000 [ 47.376751] FS: 00007f5be7365580(0000) GS:ffffa2edbbc00000(0000) knlGS:0000000000000000 [ 47.385768] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 47.392172] CR2: 0000000000000000 CR3: 0000000103264000 CR4: 00000000003506f0 [ 47.400135] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 47.410020] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 736, name: cat [ 47.418370] INFO: lockdep is turned off. [ 47.422741] irq event stamp: 0 [ 47.426147] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 47.433135] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 [ 47.442241] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 [ 47.451359] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 47.458350] CPU: 0 PID: 736 Comm: cat Tainted: G D W 5.10.185-cip35 #1 [ 47.466892] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 47.473500] Call Trace: [ 47.476235] dump_stack+0x77/0x9b [ 47.479939] ___might_sleep.cold+0xa6/0xb6 [ 47.484516] exit_signals+0x1c/0x300 [ 47.488505] do_exit+0xc2/0xab0 [ 47.492008] ? ksys_write+0x68/0xf0 [ 47.495904] make_task_dead+0x2f/0x30 [ 47.499981] rewind_stack_and_make_dead+0x17/0x20 [ 47.505225] RIP: 0033:0x7f5be727b473 [ 47.509215] Code: 8b 15 21 2a 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 [ 47.530166] RSP: 002b:00007ffe73c4bf68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 47.538613] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f5be727b473 [ 47.546572] RDX: 000000000000000a RSI: 00007f5be716f000 RDI: 0000000000000001 [ 47.554527] RBP: 00007f5be716f000 R08: 00007f5be716e010 R09: 0000000000000000 [ 47.562482] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 47.570443] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 46.516007] Call Trace: # [ 46.518765] ? __warn+0x80/0x110 # [ 46.522394] ? lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 46.527376] ? report_bug+0x9e/0xc0 # [ 46.531288] ? handle_bug+0x41/0x90 # [ 46.535198] ? exc_invalid_op+0x14/0x70 # [ 46.539504] ? asm_exc_invalid_op+0x12/0x20 # [ 46.544206] ? lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 46.549187] direct_entry.cold+0x2c/0x38 # [ 46.553594] full_proxy_write+0x56/0x80 # [ 46.557898] vfs_write+0xea/0x3b0 # [ 46.561620] ksys_write+0x68/0xf0 # [ 46.565347] do_syscall_64+0x33/0x40 # [ 46.569363] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 46.575024] RIP: 0033:0x7f9a09e4d473 # [ 46.579040] Code: 8b 15 21 2a 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 # [ 46.600030] RSP: 002b:00007ffef16c9c48 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 46.608502] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007f9a09e4d473 # [ 46.616487] RDX: 0000000000000010 RSI: 00007f9a09d41000 RDI: 0000000000000001 # [ 46.630663] RBP: 00007f9a09d41000 R08: 00007f9a09d40010 R09: 0000000000000000 # [ 46.644836] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 46.652818] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 46.660816] irq event stamp: 0 # [ 46.664245] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 46.671267] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 46.680415] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 46.689566] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 46.696577] ---[ end trace f26eca5477602e39 ]--- # WARNING_MESSAGE: saw 'message trigger': ok ok 4 selftests: lkdtm: WARNING_MESSAGE.sh # selftests: lkdtm: EXCEPTION.sh # Killed # [ 46.967567] lkdtm: Performing direct entry EXCEPTION # [ 46.974098] BUG: kernel NULL pointer dereference, address: 0000000000000000 # [ 46.981878] #PF: supervisor write access in kernel mode # [ 46.987710] #PF: error_code(0x0002) - not-present page # [ 46.993439] PGD 0 P4D 0 # [ 46.996274] Oops: 0002 [#2] SMP PTI # [ 47.000169] CPU: 0 PID: 736 Comm: cat Tainted: G D W 5.10.185-cip35 #1 # [ 47.008710] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 47.015330] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20 # [ 47.020295] Code: 48 c7 c7 d8 92 5f a6 8d 70 01 89 35 e1 50 e9 02 e8 07 9c 64 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 # [ 47.041247] RSP: 0018:ffffb5844139fe60 EFLAGS: 00010282 # [ 47.047079] RAX: ffffffffa5179ae0 RBX: 0000000000000004 RCX: 0000000000000000 # [ 47.055044] RDX: 0000000000000000 RSI: ffffa2edbbc1bf70 RDI: ffffffffa617e900 # [ 47.063011] RBP: ffffffffa64ed267 R08: 0000000000000000 R09: 0000000000000000 # [ 47.070973] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 47.078928] R13: ffffb5844139ff10 R14: ffffb5844139ff10 R15: ffffa2ed43e33000 # [ 47.086890] FS: 00007f5be7365580(0000) GS:ffffa2edbbc00000(0000) knlGS:0000000000000000 # [ 47.095918] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 47.102321] CR2: 0000000000000000 CR3: 0000000103264000 CR4: 00000000003506f0 # [ 47.110280] Call Trace: # [ 47.113018] ? __die_body.cold+0x1a/0x1f # [ 47.117391] ? no_context+0x177/0x380 # [ 47.121481] ? exc_page_fault+0x53/0x170 # [ 47.125854] ? asm_exc_page_fault+0x1e/0x30 # [ 47.130530] ? lkdtm_WARNING_MESSAGE+0x30/0x30 # [ 47.135494] ? lkdtm_EXCEPTION+0x5/0x20 # [ 47.139778] direct_entry.cold+0x2c/0x38 # [ 47.144159] full_proxy_write+0x56/0x80 # [ 47.154627] vfs_write+0xea/0x3b0 # [ 47.164526] ksys_write+0x68/0xf0 # [ 47.168228] do_syscall_64+0x33/0x40 # [ 47.172217] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 47.177855] RIP: 0033:0x7f5be727b473 # [ 47.181844] Code: 8b 15 21 2a 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 # [ 47.202787] RSP: 002b:00007ffe73c4bf68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 47.211243] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f5be727b473 # [ 47.219203] RDX: 000000000000000a RSI: 00007f5be716f000 RDI: 0000000000000001 # [ 47.227165] RBP: 00007f5be716f000 R08: 00007f5be716e010 R09: 0000000000000000 # [ 47.235125] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 47.243089] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 47.251053] Modules linked in: fuse ip_tables cros_ec_sysfs cros_usbpd_charger uvcvideo cros_ec_lightbar cros_ec_chardev videobuf2_vmalloc videobuf2_memops cros_usbpd_logger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 47.296992] CR2: 0000000000000000 # [ 47.300692] ---[ end trace f26eca5477602e3a ]--- # [ 47.305850] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 47.310225] Code: 89 ff e8 2e e2 79 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 10 51 e9 02 # [ 47.331158] RSP: 0018:ffffb5844122fe60 EFLAGS: 00010282 # [ 47.336985] RAX: ffffffffa5179a80 RBX: 0000000000000001 RCX: 0000000000000000 # [ 47.344943] RDX: 0000000000000000 RSI: ffffa2edbbd1bf70 RDI: ffffffffa617e8d0 # [ 47.352898] RBP: ffffffffa665d470 R08: 0000000000000001 R09: 0000000000000001 # [ 47.360848] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 47.368800] R13: ffffb5844122ff10 R14: ffffb5844122ff10 R15: ffffa2ed45b7e000 # [ 47.376751] FS: 00007f5be7365580(0000) GS:ffffa2edbbc00000(0000) knlGS:0000000000000000 # [ 47.385768] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 47.392172] CR2: 0000000000000000 CR3: 0000000103264000 CR4: 00000000003506f0 # [ 47.400135] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 47.410020] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 736, name: cat # [ 47.418370] INFO: lockdep is turned off. # [ 47.422741] irq event stamp: 0 # [ 47.426147] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 47.433135] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 47.442241] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 47.451359] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 47.458350] CPU: 0 PID: 736 Comm: cat Tainted: G D W 5.10.185-cip35 #1 # [ 47.466892] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 47.473500] Call Trace: # [ 47.476235] dump_stack+0x77/0x9b # [ 47.479939] ___might_sleep.cold+0xa6/0xb6 # [ 47.484516] exit_signals+0x1c/0x300 # [ 47.488505] do_exit+0xc2/0xab0 # [ 47.492008] ? ksys_write+0x68/0xf0 # [ 47.495904] make_task_dead+0x2f/0x30 # [ 47.499981] rewind_stack_and_make_dead+0x17/0x20 # [ 47.505225] RIP: 0033:0x7f5be727b473 # [ 47.509215] Code: 8b 15 21 2a 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 # [ 47.530166] RSP: 002b:00007ffe73c4bf68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 47.538613] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f5be727b473 # [ 47.546572] RDX: 000000000000000a RSI: 00007f5be716f000 RDI: 0000000000000001 # [ 47.554527] RBP: 00007f5be716f000 R08: 00007f5be716e010 R09: 0000000000000000 # [ 47.562482] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 47.570443] 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[ 48.428433] lkdtm: Performing direct entry CORRUPT_LIST_ADD [ 48.434916] lkdtm: attempting good list addition [ 48.440099] lkdtm: attempting corrupted list addition [ 48.445768] lkdtm: list_add() corruption not detected! system on success ok 9 selftests: lkdtm: CORRUPT_STACK_STRONG.sh # SKIP # selftests: lkdtm: CORRUPT_LIST_ADD.sh # [ 48.428433] lkdtm: Performing direct entry CORRUPT_LIST_ADD # [ 48.434916] lkdtm: attempting good list addition # [ 48.440099] lkdtm: attempting corrupted list addition # [ 48.445768] 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 [ 48.715561] lkdtm: Performing direct entry CORRUPT_LIST_DEL [ 48.721819] lkdtm: attempting good list removal [ 48.726910] lkdtm: attempting corrupted list removal [ 48.732490] lkdtm: list_del() corruption not detected! # [ 48.715561] lkdtm: Performing direct entry CORRUPT_LIST_DEL # [ 48.721819] lkdtm: attempting good list removal # [ 48.726910] lkdtm: attempting corrupted list removal # [ 48.732490] 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 [ 48.982156] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING [ 48.989181] lkdtm: attempting bad read from page below current stack [ 48.996340] BUG: stack guard page was hit at 0000000051dc06b3 (stack is 00000000fd82252f..0000000065332f1d) [ 49.007204] kernel stack overflow (page fault): 0000 [#3] SMP PTI [ 49.014002] CPU: 3 PID: 961 Comm: cat Tainted: G D W 5.10.185-cip35 #1 [ 49.022536] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 49.029143] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a [ 49.035646] Code: cc cc cc 0f 1f 44 00 00 53 48 c7 c7 78 96 5f a6 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 9d de fb ff 48 c7 c7 b8 96 5f a6 <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 83 de fb ff 0f 1f 44 [ 49.056590] RSP: 0018:ffffb5844167fe50 EFLAGS: 00010246 [ 49.062419] RAX: 0000000000000038 RBX: ffffb5844167c000 RCX: 0000000000000000 [ 49.070380] RDX: 0000000000000000 RSI: ffffa2edbbd9bf70 RDI: ffffffffa65f96b8 [ 49.078353] RBP: ffffffffa65f8de2 R08: 0000000000000000 R09: 0000000000000000 [ 49.086320] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019 [ 49.094286] R13: ffffb5844167ff10 R14: ffffb5844167ff10 R15: ffffa2ed428d4000 [ 49.102258] FS: 00007f103298c580(0000) GS:ffffa2edbbd80000(0000) knlGS:0000000000000000 [ 49.111296] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.117712] CR2: ffffb5844167bfff CR3: 0000000103232000 CR4: 00000000003506e0 [ 49.125684] Call Trace: [ 49.128420] <#DF> [ 49.130674] ? __die_body.cold+0x1a/0x1f [ 49.135060] ? die+0x2b/0x50 [ 49.138276] ? handle_stack_overflow+0x3e/0x4d [ 49.143243] ? no_context+0x24d/0x380 [ 49.147332] [ 49.149672] Modules linked in: fuse ip_tables cros_ec_sysfs cros_usbpd_charger uvcvideo cros_ec_lightbar cros_ec_chardev videobuf2_vmalloc videobuf2_memops cros_usbpd_logger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table [ 49.189433] ---[ end trace f26eca5477602e3b ]--- [ 49.194589] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 49.198965] Code: 89 ff e8 2e e2 79 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 10 51 e9 02 [ 49.219909] RSP: 0018:ffffb5844122fe60 EFLAGS: 00010282 [ 49.225724] RAX: ffffffffa5179a80 RBX: 0000000000000001 RCX: 0000000000000000 [ 49.233682] RDX: 0000000000000000 RSI: ffffa2edbbd1bf70 RDI: ffffffffa617e8d0 [ 49.241641] RBP: ffffffffa665d470 R08: 0000000000000001 R09: 0000000000000001 [ 49.249601] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 49.257570] R13: ffffb5844122ff10 R14: ffffb5844122ff10 R15: ffffa2ed45b7e000 [ 49.265540] FS: 00007f103298c580(0000) GS:ffffa2edbbd80000(0000) knlGS:0000000000000000 [ 49.274576] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.280982] CR2: ffffb5844167bfff CR3: 0000000103232000 CR4: 00000000003506e0 [ 49.288953] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 49.298858] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 961, name: cat [ 49.307201] INFO: lockdep is turned off. [ 49.311575] irq event stamp: 0 [ 49.314986] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 49.321983] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 [ 49.331096] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 [ 49.340217] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 49.347206] CPU: 3 PID: 961 Comm: cat Tainted: G D W 5.10.185-cip35 #1 [ 49.355748] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 49.362346] Call Trace: [ 49.365077] dump_stack+0x77/0x9b [ 49.368776] ___might_sleep.cold+0xa6/0xb6 [ 49.373349] exit_signals+0x1c/0x300 [ 49.377337] do_exit+0xc2/0xab0 [ 49.380842] ? ksys_write+0x68/0xf0 [ 49.384734] make_task_dead+0x2f/0x30 [ 49.388816] rewind_stack_and_make_dead+0x17/0x20 [ 49.394061] RIP: 0033:0x7f10328a2473 [ 49.398046] Code: 8b 15 21 2a 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 [ 49.418977] RSP: 002b:00007ffd299ca4a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 49.427417] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007f10328a2473 [ 49.435371] RDX: 0000000000000019 RSI: 00007f1032796000 RDI: 0000000000000001 [ 49.443325] RBP: 00007f1032796000 R08: 00007f1032795010 R09: 0000000000000000 [ 49.451288] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 49.459238] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # Segmentation fault # [ 48.982156] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING # [ 48.989181] lkdtm: attempting bad read from page below current stack # [ 48.996340] BUG: stack guard page was hit at 0000000051dc06b3 (stack is 00000000fd82252f..0000000065332f1d) # [ 49.007204] kernel stack overflow (page fault): 0000 [#3] SMP PTI # [ 49.014002] CPU: 3 PID: 961 Comm: cat Tainted: G D W 5.10.185-cip35 #1 # [ 49.022536] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 49.029143] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a # [ 49.035646] Code: cc cc cc 0f 1f 44 00 00 53 48 c7 c7 78 96 5f a6 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 9d de fb ff 48 c7 c7 b8 96 5f a6 <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 83 de fb ff 0f 1f 44 # [ 49.056590] RSP: 0018:ffffb5844167fe50 EFLAGS: 00010246 # [ 49.062419] RAX: 0000000000000038 RBX: ffffb5844167c000 RCX: 0000000000000000 # [ 49.070380] RDX: 0000000000000000 RSI: ffffa2edbbd9bf70 RDI: ffffffffa65f96b8 # [ 49.078353] RBP: ffffffffa65f8de2 R08: 0000000000000000 R09: 0000000000000000 # [ 49.086320] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019 # [ 49.094286] R13: ffffb5844167ff10 R14: ffffb5844167ff10 R15: ffffa2ed428d4000 # [ 49.102258] FS: 00007f103298c580(0000) GS:ffffa2edbbd80000(0000) knlGS:0000000000000000 # [ 49.111296] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 49.117712] CR2: ffffb5844167bfff CR3: 0000000103232000 CR4: 00000000003506e0 # [ 49.125684] Call Trace: # [ 49.128420] <#DF> # [ 49.130674] ? __die_body.cold+0x1a/0x1f # [ 49.135060] ? die+0x2b/0x50 # [ 49.138276] ? handle_stack_overflow+0x3e/0x4d # [ 49.143243] ? no_context+0x24d/0x380 # [ 49.147332] # [ 49.149672] Modules linked in: fuse ip_tables cros_ec_sysfs cros_usbpd_charger uvcvideo cros_ec_lightbar cros_ec_chardev videobuf2_vmalloc videobuf2_memops cros_usbpd_logger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 49.189433] ---[ end trace f26eca5477602e3b ]--- # [ 49.194589] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 49.198965] Code: 89 ff e8 2e e2 79 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 0[ 49.780093] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING 0 00 00 00 0f 1f 44 00 00 83 05 10 51 e9 02 # [ 49.219909] RS[ 49.787370] lkdtm: attempting bad read from page above current stack P: 0018:ffffb5844122fe60 EFLAGS: 00010282 # [ 49.225724] RAX:[ 49.800705] BUG: stack guard page was hit at 0000000012ce5982 (stack is 00000000746fb4be..000000001fec60b8) [ 49.817763] kernel stack overflow (page fault): 0000 [#4] SMP PTI [ 49.824578] CPU: 3 PID: 994 Comm: cat Tainted: G D W 5.10.185-cip35 #1 [ 49.833130] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 49.839751] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILING+0x27/0x3d [ 49.846361] Code: de fb ff 0f 1f 44 00 00 53 48 c7 c7 f0 96 5f a6 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 63 de fb ff 48 c7 c7 30 97 5f a6 <8a> 83 00 40 00 00 88 44 24 07 0f b6 74 24 07 5a 5b e9 46 de fb ff [ 49.867337] RSP: 0018:ffffb58441717e50 EFLAGS: 00010246 [ 49.873179] RAX: 0000000000000038 RBX: ffffb58441714000 RCX: 0000000000000000 [ 49.881153] RDX: 0000000000000000 RSI: ffffa2edbbd9bf70 RDI: ffffffffa65f9730 [ 49.889123] RBP: ffffffffa65f8dfb R08: 0000000000000000 R09: 0000000000000000 [ 49.897096] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001a [ 49.905067] R13: ffffb58441717f10 R14: ffffb58441717f10 R15: ffffa2ed42af4000 [ 49.913041] FS: 00007f42120c9580(0000) GS:ffffa2edbbd80000(0000) knlGS:0000000000000000 [ 49.922082] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.928495] CR2: ffffb58441718000 CR3: 0000000103422000 CR4: 00000000003506e0 [ 49.936468] Call Trace: [ 49.939201] <#DF> [ 49.941450] ? __die_body.cold+0x1a/0x1f [ 49.945832] ? die+0x2b/0x50 [ 49.949044] ? handle_stack_overflow+0x3e/0x4d [ 49.954002] ? no_context+0x24d/0x380 [ 49.958085] [ 49.960424] Modules linked in: fuse ip_tables cros_ec_sysfs cros_usbpd_charger uvcvideo cros_ec_lightbar cros_ec_chardev videobuf2_vmalloc videobuf2_memops cros_usbpd_logger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table [ 50.000191] ---[ end trace f26eca5477602e3c ]--- [ 50.005352] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 50.009727] Code: 89 ff e8 2e e2 79 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 10 51 e9 02 [ 50.030677] RSP: 0018:ffffb5844122fe60 EFLAGS: 00010282 [ 50.036507] RAX: ffffffffa5179a80 RBX: 0000000000000001 RCX: 0000000000000000 [ 50.044469] RDX: 0000000000000000 RSI: ffffa2edbbd1bf70 RDI: ffffffffa617e8d0 [ 50.052426] RBP: ffffffffa665d470 R08: 0000000000000001 R09: 0000000000000001 [ 50.060380] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 50.068341] R13: ffffb5844122ff10 R14: ffffb5844122ff10 R15: ffffa2ed45b7e000 [ 50.076302] FS: 00007f42120c9580(0000) GS:ffffa2edbbd80000(0000) knlGS:0000000000000000 [ 50.085318] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.091722] CR2: ffffb58441718000 CR3: 0000000103422000 CR4: 00000000003506e0 ffffffffa5179a80 RBX: 0000000000000001 RCX: 0000000000000000 # [ 49.233682] RDX: 0000000000000000 RSI: ffffa2edbbd1bf70 RDI: ffffffffa617e8d0 # [ 49.241641] RBP: ffffffffa665d470 R08: 0000000000000001 R09: 0000000000000001 # [ 49.249601] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 49.257570] R13: ffffb5844122ff10 R14: ffffb5844122ff10 R15: ffffa2ed45b7e000 # [ 49.265540] FS: 00007f103298c580(0000) GS:ffffa2edbbd80000(0000) knlGS:0000000000000000 # [ 49.274576] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 49.280982] CR2: ffffb5844167bfff CR3: 0000000103232000 CR4: 00000000003506e0 # [ 49.288953] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 49.298858] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 961, name: cat # [ 49.307201] INFO: lockdep is turned off. # [ 49.311575] irq event stamp: 0 # [ 49.314986] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 49.321983] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 49.331096] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 49.340217] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 49.347206] CPU: 3 PID: 961 Comm: cat Tainted: G D W 5.10.185-cip35 #1 # [ 49.355748] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 49.362346] Call Trace: # [ 49.365077] dump_stack+0x77/0x9b # [ 49.368776] ___might_sleep.cold+0xa6/0xb6 # [ 49.373349] exit_signals+0x1c/0x300 # [ 49.377337] do_exit+0xc2/0xab0 # [ 49.380842] ? ksys_write+0x68/0xf0 # [ 49.384734] make_task_dead+0x2f/0x30 # [ 49.388816] rewind_stack_and_make_dead+0x17/0x20 # [ 49.394061] RIP: 0033:0x7f10328a2473 # [ 49.398046] Code: 8b 15 21 2a 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 # [ 49.418977] RSP: 002b:00007ffd299ca4a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 49.427417] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007f10328a2473 # [ 49.435371] RDX: 0000000000000019 RSI: 00007f1032796000 RDI: 0000000000000001 # [ 49.443325] RBP: 00007f1032796000 R08: 00007f1032795010 R09: 0000000000000000 # [ 49.451288] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 49.459238] 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 # [ 49.780093] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING # [ 49.787370] lkdtm: attempting bad read from page above current stack # [ 49.800705] BUG[ 50.375707] lkdtm: Performing direct entry UNSET_SMEP : stack guard page was hit at 0000000012ce5982 (stack is 0000000[ 50.384478] lkdtm: trying to clear SMEP normally 0746fb4be..000000001fec60b8) # [ 49.817763] kernel stack over[ 50.395867] ------------[ cut here ]------------ flow (page fault): 0000 [#4] SMP PTI # [ 49.824578] CPU: 3 PI[ 50.407224] pinned CR4 bits changed: 0x100000!? D: 994 Comm: cat Tainted: G D W 5.10.185-cip35 #1 [ 50.418485] WARNING: CPU: 3 PID: 1030 at arch/x86/kernel/cpu/common.c:392 native_write_cr4+0x45/0x60 # [ 49.833130] Hardware name: Google Coral/Coral, BIOS 09/29/[ 50.434913] Modules linked in: fuse ip_tables cros_ec_sysfs cros_usbpd_charger uvcvideo cros_ec_lightbar cros_ec_chardev videobuf2_vmalloc videobuf2_memops cros_usbpd_logger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table 2020 # [ 49.839751] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILING[ 50.480750] CPU: 3 PID: 1030 Comm: cat Tainted: G D W 5.10.185-cip35 #1 +0x27/0x3d # [ 49.846361] Code: de fb ff 0f 1f 44 00 00 53 48[ 50.495534] Hardware name: Google Coral/Coral, BIOS 09/29/2020 c7 c7 f0 96 5f a6 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 [ 50.508378] RIP: 0010:native_write_cr4+0x45/0x60 63 de fb ff 48 c7 c7 30 97 5f a6 <8a> 83 00 40 00 00 88 44 24 07[ 50.519701] Code: 39 c2 75 2d 48 85 f6 75 05 c3 cc cc cc cc 80 3d f0 33 46 02 00 75 f2 48 c7 c7 28 73 4f a6 c6 05 e0 33 46 02 01 e8 a2 10 10 01 <0f> 0b c3 cc cc cc cc 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09 0f b6 74 24 07 5a 5b e9 46 de fb ff # [ 49.867337] RSP: 0018[ 50.546864] RSP: 0018:ffffb584417bfe48 EFLAGS: 00010286 :ffffb58441717e50 EFLAGS: 00010246 # [ 49.873179] RAX: 000000[ 50.558894] RAX: 0000000000000000 RBX: 00000000002506e0 RCX: 0000000000000000 0000000038 RBX: ffffb58441714000 RCX: 0000000000000000 # [ 49[ 50.573053] RDX: ffffa2edbbdac660 RSI: ffffa2edbbd9bf70 RDI: ffffa2edbbd9bf70 .881153] RDX: 0000000000000000 RSI: ffffa2edbbd9bf70 RDI: ffffff[ 50.587236] RBP: ffffffffa65f8e15 R08: 0000000000000000 R09: 0000000000000000 ffa65f9730 # [ 49.889123] RBP: ffffffffa65f8dfb R08: 00000000[ 50.601374] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b 00000000 R09: 0000000000000000 # [ 49.897096] R10: 00000000ff[ 50.615555] R13: ffffb584417bff10 R14: ffffb584417bff10 R15: ffffa2ed426f6000 ffe000 R11: 3fffffffffffffff R12: 000000000000001a # [ 49.905[ 50.629706] FS: 00007faee5e05580(0000) GS:ffffa2edbbd80000(0000) knlGS:0000000000000000 067] R13: ffffb58441717f10 R14: ffffb58441717f10 R15: ffffa2ed42[ 50.644971] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 af4000 # [ 49.913041] FS: 00007f42120c9580(0000) GS:ffffa2ed[ 50.657567] CR2: 00007faee5c0f000 CR3: 0000000104806000 CR4: 00000000003506e0 bbd80000(0000) knlGS:0000000000000000 # [ 49.922082] CS: 001[ 50.671785] Call Trace: 0 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 49.928495] CR2:[ 50.680965] ? __warn+0x80/0x110 ffffb58441718000 CR3: 0000000103422000 CR4: 00000000003506e0 #[ 50.690525] ? native_write_cr4+0x45/0x60 [ 49.936468] Call Trace: # [ 49.939201] <#DF> # [ 49.9[ 50.701379] ? report_bug+0x9e/0xc0 41450] ? __die_body.cold+0x1a/0x1f # [ 49.945832] ? die+0x2[ 50.711574] ? handle_bug+0x41/0x90 b/0x50 # [ 49.949044] ? handle_stack_overflow+0x3e/0x4d # [[ 50.721603] ? exc_invalid_op+0x14/0x70 49.954002] ? no_context+0x24d/0x380 # [ 49.958085] # [ 49.960424] Modules linked in: fuse ip_tables cros_ec_sy[ 50.742824] ? native_write_cr4+0x45/0x60 sfs cros_usbpd_charger uvcvideo cros_ec_lightbar cros_ec_chardev[ 50.753636] ? native_write_cr4+0x45/0x60 videobuf2_vmalloc videobuf2_memops cros_usbpd_logger cros_ec_de[ 50.764222] lkdtm_UNSET_SMEP.cold+0x1d/0x103 bugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev video[ 50.775270] direct_entry.cold+0x2c/0x38 buf2_common snd_soc_da7219 snd_soc_max98357a snd_soc_core cros_u[ 50.785890] full_proxy_write+0x56/0x80 sbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c ch[ 50.796260] vfs_write+0xea/0x3b0 romeos_pstore coreboot_table # [ 50.000191] ---[ end trace f2[ 50.806227] ksys_write+0x68/0xf0 6eca5477602e3c ]--- # [ 50.005352] RIP: 0010:lkdtm_BUG+0x5/0x[ 50.816055] do_syscall_64+0x33/0x40 10 # [ 50.009727] Code: 89 ff e8 2e e2 79 ff 48 c7 c0 ea ff f[ 50.826305] entry_SYSCALL_64_after_hwframe+0x61/0xc6 f ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff[ 50.838065] RIP: 0033:0x7faee5d1b473 ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1[ 50.848247] Code: 8b 15 21 2a 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 f 44 00 00 83 05 10 51 e9 02 # [ 50.030677] RSP: 0018:ffffb58[ 50.875378] RSP: 002b:00007ffcf4abd768 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 44122fe60 EFLAGS: 00010282 # [ 50.036507] RAX: ffffffffa5179a[ 50.890029] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007faee5d1b473 80 RBX: 0000000000000001 RCX: 0000000000000000 # [ 50.044469][ 50.904140] RDX: 000000000000000b RSI: 00007faee5c0f000 RDI: 0000000000000001 RDX: 0000000000000000 RSI: ffffa2edbbd1bf70 RDI: ffffffffa617e8[ 50.918332] RBP: 00007faee5c0f000 R08: 00007faee5c0e010 R09: 0000000000000000 d0 # [ 50.052426] RBP: ffffffffa665d470 R08: 0000000000000001[ 50.932462] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 R09: 0000000000000001 # [ 50.060380] R10: 00000000ffffe000 R[ 50.946650] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 11: 3fffffffffffffff R12: 0000000000000004 # [ 50.068341] R13[ 50.960780] irq event stamp: 0 : ffffb5844122ff10 R14: ffffb5844122ff10 R15: ffffa2ed45b7e000 [ 50.970386] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 50.076302] FS: 00007f42120c9580(0000) GS:ffffa2edbbd80000[ 50.983601] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 (0000) knlGS:0000000000000000 # [ 50.085318] CS: 0010 DS: 00[ 50.998914] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 00 ES: 0000 CR0: 0000000080050033 # [ 50.091722] CR2: ffffb58[ 51.014269] softirqs last disabled at (0): [<0000000000000000>] 0x0 441718000 CR3: 0000000103422000 CR4: 00000000003506e0 # STACK_G[ 51.027446] ---[ end trace f26eca5477602e3d ]--- UARD_PAGE_TRAILING: saw 'call trace:': ok ok 13 selftests: lkdt[ 51.038785] lkdtm: ok: SMEP did not get cleared m: STACK_GUARD_PAGE_TRAILING.sh # selftests: lkdtm: UNSET_SMEP.[ 51.050062] lkdtm: trying to clear SMEP with call gadget sh [ 51.062166] lkdtm: ok: SMEP removal was reverted # [ 50.375707] lkdtm: Performing direct entry UNSET_SMEP # [ 50.384478] lkdtm: trying to clear SMEP normally # [ 50.395867] ------------[ cut here ]------------ # [ 50.407224] pinned CR4 bits changed: 0x100000!? # [ 50.418485] WARNING: CPU: 3 PID: 1030 at arch/x86/kernel/cpu/common.c:392 native_write_cr4+0x45/0x60 # [ 50.434913] Modules linked in: fuse ip_tables cros_ec_sysfs cros_usbpd_charger uvcvideo cros_ec_lightbar cros_ec_chardev videobuf2_vmalloc videobuf2_memops cros_usbpd_logger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 50.480750] CPU: 3 PID: 1030 Comm: cat Tainted: G D W 5.10.185-cip35 #1 # [ 50.495534] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 50.508378] RIP: 0010:native_write_cr4+0x45/0x60 # [ 50.519701] Code: 39 c2 75 2d 48 85 f6 75 05 c3 cc cc cc cc 80 3d f0 33 46 02 00 75 f2 48 c7 c7 28 73 4f a6 c6 05 e0 33 46 02 01 e8 a2 10 10 01 <0f> 0b c3 cc cc cc cc 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09 # [ 50.546864] RSP: 0018:ffffb584417bfe48 EFLAGS: 00010286 # [ 50.558894] RAX: 0000000000000000 RBX: 00000000002506e0 RCX: 0000000000000000 # [ 50.573053] RDX: ffffa2edbbdac660 RSI: ffffa2edbbd9bf70 RDI: ffffa2edbbd9bf70 # [ 50.587236] RBP: ffffffffa65f8e15 R08: 0000000000000000 R09: 0000000000000000 # [ 50.601374] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b # [ 50.615555] R13: ffffb584417bff10 R14: ffffb584417bff10 R15: ffffa2ed426f6000 # [ 50.629706] FS: 00007faee5e05580(0000) GS:ffffa2edbbd80000(0000) knlGS:0000000000000000 # [ 50.644971] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 50.657567] CR2: 00007faee5c0f000 CR3: 0000000104806000 CR4: 00000000003506e0 # [ 50.671785] Call Trace: # [ 50.680965] ? __warn+0x80/0x110 # [ 50.690525] ? native_write_cr4+0x45/0x60 # [ 50.701379] ? report_bug+0x9e/0xc0 # [ 50.711574] ? handle_bug+0x41/0x90 # [ 50.721603] ? exc_invalid_op+0x14/0x70 # [ 50.731949] ? asm_exc_invalid_op+0x12/0x20 # [ 50.742824] ? native_write_cr4+0x45/0x60 # [ 50.753636] ? native_write_cr4+0x45/0x60 # [ 50.764222] lkdtm_UNSET_SMEP.cold+0x1d/0x103 # [ 50.775270] direct[ 51.345818] lkdtm: Performing direct entry DOUBLE_FAULT [ 51.352954] lkdtm: XFAIL: this test is ia32-only _entry.cold+0x2c/0x38 # [ 50.785890] full_proxy_write+0x56/0x80 # [ 50.796260] vfs_write+0xea/0x3b0 # [ 50.806227] ksys_write+0x68/0xf0 # [ 50.816055] do_syscall_64+0x33/0x40 # [ 50.826305] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 50.838065] RIP: 0033:0x7faee5d1b473 # [ 50.848247] Code: 8b 15 21 2a 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 # [ 50.875378] RSP: 002b:00007ffcf4abd768 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 50.890029] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007faee5d1b473 # [ 50.904140] RDX: 000000000000000b RSI: 00007faee5c0f000 RDI: 0000000000000001 # [ 50.918332] RBP: 00007faee5c0f000 R08: 00007faee5c0e010 R09: 0000000000000000 # [ 50.932462] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 50.946650] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 50.960780] irq event stamp: 0 # [ 50.970386] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 50.983601] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 50.998914] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 51.014269] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 51.027446] ---[ end trace f26eca5477602e3d ]--- # [ 51.038785] lkdtm: ok: SMEP did not get cleared # [ 51.050062] lkdtm: trying to clear SMEP with call gadget # [ 51.062166] 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 # [ 51.345818] lkdtm: Performing direct entry DOUBLE_FAULT # [ 51.352954] 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 [ 51.634800] lkdtm: Performing direct entry CORRUPT_PAC [ 51.640581] lkdtm: XFAIL: this test is arm64-only # [ 51.634800] lkdtm: Performing direct entry CORRUPT_PAC # [ 51.640581] 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 [ 51.902842] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE [ 51.910079] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS # [ 51.902842] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE # [ 51.910079] 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 [ 52.424299] lkdtm: Performing direct entry READ_AFTER_FREE [ 52.430481] lkdtm: Value in memory before free: 12345678 [ 52.436440] lkdtm: Attempting bad read from freed memory [ 52.442408] lkdtm: Memory was not poisoned # [ 52.424299] lkdtm: Performing direct entry READ_AFTER_FREE # [ 52.430481] lkdtm: Value in memory before free: 12345678 # [ 52.436440] lkdtm: Attempting bad read from freed memory # [ 52.442408] 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 [ 52.825165] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE [ 52.831919] lkdtm: Value in memory before free: 12345678 [ 52.837919] lkdtm: Attempting to read from freed memory [ 52.843811] lkdtm: Buddy page was not poisoned # [ 52.825165] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE # [ 52.831919] lkdtm: Value in memory before free: 12345678 # [ 52.837919] lkdtm: Attempting to read from freed memory # [ 52.843811] 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 [ 53.108830] lkdtm: Performing direct entry SLAB_FREE_DOUBLE [ 53.115095] lkdtm: Attempting double slab free ... # [ 53.108830] lkdtm: Performing direct entry SLAB_FREE_DOUBLE # [ 53.115095] 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 [ 53.378879] lkdtm: Performing direct entry SLAB_FREE_CROSS [ 53.385047] lkdtm: Attempting cross-cache slab free ... # [ 53.378879] lkdtm: Performing direct entry SLAB_FREE_CROSS # [ 53.385047] 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 [ 53.648532] lkdtm: Performing direct entry SLAB_FREE_PAGE [ 53.654584] lkdtm: Attempting non-Slab slab free ... # [ 53.648532] lkdtm: Performing direct entry SLAB_FREE_PAGE # [ 53.654584] 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 [ 54.415799] lkdtm: Performing direct entry EXEC_DATA [ 54.421386] lkdtm: attempting ok execution at ffffffffa5179e50 [ 54.427924] lkdtm: attempting bad execution at ffffffffa800ebe0 [ 54.434571] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 54.442915] BUG: unable to handle page fault for address: ffffffffa800ebe0 [ 54.450585] #PF: supervisor instruction fetch in kernel mode [ 54.456891] #PF: error_code(0x0011) - permissions violation [ 54.463103] PGD 1be29067 P4D 1be29067 PUD 1be2a063 PMD 800000001d6000e3 [ 54.470588] Oops: 0011 [#5] SMP PTI [ 54.474479] CPU: 2 PID: 1537 Comm: cat Tainted: G D W 5.10.185-cip35 #1 [ 54.483126] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 54.489742] RIP: 0010:data_area+0x0/0x40 [ 54.494117] Code: ff ff 00 f8 b3 44 ed a2 ff ff 00 f7 b3 44 ed a2 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 [ 54.515048] RSP: 0018:ffffb58441f07e48 EFLAGS: 00010246 [ 54.520875] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 54.528827] RDX: 0000000000000000 RSI: ffffa2edbbd1bf70 RDI: ffffa2edbbd1bf70 [ 54.536780] RBP: ffffffffa800ebe0 R08: 0000000000000000 R09: 0000000000000000 [ 54.544736] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a [ 54.552695] R13: ffffb58441f07f10 R14: ffffb58441f07f10 R15: ffffa2ed4419b000 [ 54.560664] FS: 00007f366085b580(0000) GS:ffffa2edbbd00000(0000) knlGS:0000000000000000 [ 54.569683] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.576090] CR2: ffffffffa800ebe0 CR3: 00000001061f8000 CR4: 00000000003506e0 [ 54.584045] Call Trace: [ 54.586786] ? __die_body.cold+0x1a/0x1f [ 54.591168] ? no_context+0x177/0x380 [ 54.595260] ? exc_page_fault+0xd7/0x170 [ 54.599639] ? asm_exc_page_fault+0x1e/0x30 [ 54.604317] ? execute_location+0x48/0x56 [ 54.608789] ? direct_entry.cold+0x2c/0x38 [ 54.613364] ? full_proxy_write+0x56/0x80 [ 54.617841] ? vfs_write+0xea/0x3b0 [ 54.621733] ? ksys_write+0x68/0xf0 [ 54.625629] ? do_syscall_64+0x33/0x40 [ 54.629810] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 54.635641] Modules linked in: fuse ip_tables cros_ec_sysfs cros_usbpd_charger uvcvideo cros_ec_lightbar cros_ec_chardev videobuf2_vmalloc videobuf2_memops cros_usbpd_logger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table [ 54.675366] CR2: ffffffffa800ebe0 [ 54.679064] ---[ end trace f26eca5477602e3e ]--- [ 54.684214] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 54.688587] Code: 89 ff e8 2e e2 79 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 10 51 e9 02 [ 54.709516] RSP: 0018:ffffb5844122fe60 EFLAGS: 00010282 [ 54.715343] RAX: ffffffffa5179a80 RBX: 0000000000000001 RCX: 0000000000000000 [ 54.723293] RDX: 0000000000000000 RSI: ffffa2edbbd1bf70 RDI: ffffffffa617e8d0 [ 54.731248] RBP: ffffffffa665d470 R08: 0000000000000001 R09: 0000000000000001 [ 54.739201] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 54.747154] R13: ffffb5844122ff10 R14: ffffb5844122ff10 R15: ffffa2ed45b7e000 [ 54.755107] FS: 00007f366085b580(0000) GS:ffffa2edbbd00000(0000) knlGS:0000000000000000 [ 54.764128] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.770530] CR2: ffffffffa800ebe0 CR3: 00000001061f8000 CR4: 00000000003506e0 [ 54.778488] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 54.788380] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1537, name: cat [ 54.796817] INFO: lockdep is turned off. [ 54.801185] irq event stamp: 0 [ 54.804591] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 54.811580] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 [ 54.820693] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 [ 54.829807] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 54.836794] CPU: 2 PID: 1537 Comm: cat Tainted: G D W 5.10.185-cip35 #1 [ 54.845427] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 54.852023] Call Trace: [ 54.854756] dump_stack+0x77/0x9b [ 54.858455] ___might_sleep.cold+0xa6/0xb6 [ 54.863028] exit_signals+0x1c/0x300 [ 54.867013] do_exit+0xc2/0xab0 [ 54.870516] ? ksys_write+0x68/0xf0 [ 54.874412] make_task_dead+0x2f/0x30 [ 54.878495] rewind_stack_and_make_dead+0x17/0x20 [ 54.883740] RIP: 0033:0x7f3660771473 [ 54.887725] Code: 8b 15 21 2a 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 [ 54.908657] RSP: 002b:00007ffea41f43f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 54.917100] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f3660771473 [ 54.925058] RDX: 000000000000000a RSI: 00007f3660665000 RDI: 0000000000000001 [ 54.933013] RBP: 00007f3660665000 R08: 00007f3660664010 R09: 0000000000000000 [ 54.940968] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 54.948924] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # Killed # [ 54.415799] lkdtm: Performing direct entry EXEC_DATA # [ 54.421386] lkdtm: attempting ok execution at ffffffffa5179e50 # [ 54.427924] lkdtm: attempting bad execution at ffffffffa800ebe0 # [ 54.434571] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 54.442915] BUG: unable to handle page fault for address: ffffffffa800ebe0 # [ 54.450585] #PF: supervisor instruction fetch in kernel mode # [ 54.456891] #PF: error_code(0x0011) - permissions violation # [ 54.463103] PGD 1be29067 P4D 1be29067 PUD 1be2a063 PMD 800000001d6000e3 # [ 54.470588] Oops: 0011 [#5] SMP PTI # [ 54.474479] CPU: 2 PID: 1537 Comm: cat Tainted: G D W 5.10.185-cip35 #1 # [ 54.483126] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 54.489742] RIP: 0010:data_area+0x0/0x40 # [ 54.494117] Code: ff ff 00 f8 b3 44 ed a2 ff ff 00 f7 b3 44 ed a2 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 # [ 54.515048] RSP: 0018:ffffb58441f07e48 EFLAGS: 00010246 # [ 54.520875] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 54.528827] RDX: 0000000000000000 RSI: ffffa2edbbd1bf70 RDI: ffffa2edbbd1bf70 # [ 54.536780] RBP: ffffffffa800ebe0 R08: 0000000000000000 R09: 0000000000000000 # [ 54.544736] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 54.552695] R13: ffffb58441f07f10 R14: ffffb58441f07f10 R15: ffffa2ed4419b000 # [ 54.560664] FS: 00007f366085b580(0000) GS:ffffa2edbbd00000(0000) knlGS:0000000000000000 # [ 54.569683] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 54.576090] CR2: ffffffffa800ebe0 CR3: 00000001061f8000 CR4: 00000000003506e0 # [ 54.584045] Call Trace: # [ 54.586786] ? __die_body.cold+0x1a/0x1f # [ 54.591168] ? no_context+0x177/0x380 # [ 54.595260] ? exc_page_fault+0xd7/0x170 # [ 54.599639] ? asm_exc_page_fault+0x1e/0x30 # [ 54.604317] ? execute_location+0x48/0x56 # [ 54.608789] ? direct_entry.cold+0x2c/0x38 # [ 54.613364] ? full_proxy_write+0x56/0x80 # [ 54.617841] ? vfs_write+0xea/0x3b0 # [ 54.621733] ? ksys_write+0x68/0xf0 # [ 54.625629] ? do_syscall_64+0x33/0x40 # [ 54.629810] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 54.635641] Modules linked in: fuse ip_tables cros_ec_sysfs cros_usbpd_charger uvcvideo cros_ec_lightbar cros_ec_chardev videobuf2_vmalloc videobuf2_memops cros_usbpd_logger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a snd_soc_core cros_usbp[ 55.263910] lkdtm: Performing direct entry EXEC_STACK [ 55.271740] lkdtm: attempting ok execution at ffffffffa5179e50 [ 55.278293] lkdtm: attempting bad execution at ffffb58441f9fe18 d_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chrom[ 55.284945] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 55.299446] BUG: unable to handle page fault for address: ffffb58441f9fe18 [ 55.307109] #PF: supervisor instruction fetch in kernel mode [ 55.313414] #PF: error_code(0x0011) - permissions violation eos_pstore coreboot_table # [ 54.675366] CR2: ffffffffa800ebe[ 55.319621] PGD 100000067 P4D 100000067 PUD 100231067 PMD 106063067 PTE 8000000103b97063 [ 55.334849] Oops: 0011 [#6] SMP PTI 0 # [ 54.679064] ---[ end trace f26eca5477602e3e ]--- # [ [ 55.338745] CPU: 0 PID: 1573 Comm: cat Tainted: G D W 5.10.185-cip35 #1 [ 55.353563] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 55.360167] RIP: 0010:0xffffb58441f9fe18 [ 55.364540] Code: 00 00 18 fe f9 41 84 b5 ff ff 6c b6 80 a5 ff ff ff ff 20 00 00 00 00 00 00 00 3e 8f 5f a6 ff ff ff ff 98 b7 80 a5 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 [ 55.385469] RSP: 0018:ffffb58441f9fdf8 EFLAGS: 00010246 [ 55.391298] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 55.399250] RDX: 0000000000000000 RSI: ffffa2edbbc1bf70 RDI: ffffa2edbbc1bf70 [ 55.407202] RBP: ffffb58441f9fe18 R08: 0000000000000000 R09: 0000000000000000 [ 55.415154] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b [ 55.423106] R13: ffffb58441f9ff10 R14: ffffb58441f9ff10 R15: ffffa2ed449d8000 [ 55.431062] FS: 00007fcc2c795580(0000) GS:ffffa2edbbc00000(0000) knlGS:0000000000000000 [ 55.440082] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.446484] CR2: ffffb58441f9fe18 CR3: 0000000106d6a000 CR4: 00000000003506f0 [ 55.454438] Call Trace: [ 55.457177] ? __die_body.cold+0x1a/0x1f [ 55.461555] ? no_context+0x177/0x380 [ 55.465644] ? exc_page_fault+0xd7/0x170 [ 55.470020] ? asm_exc_page_fault+0x1e/0x30 [ 55.474697] ? execute_location+0x48/0x56 [ 55.479168] ? lkdtm_EXEC_STACK+0x26/0x44 [ 55.483639] ? direct_entry.cold+0x2c/0x38 [ 55.488208] ? full_proxy_write+0x56/0x80 [ 55.492678] ? vfs_write+0xea/0x3b0 [ 55.496568] ? ksys_write+0x68/0xf0 [ 55.500451] ? do_syscall_64+0x33/0x40 54.684214] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 54.688587] Code: [ 55.504628] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 89 ff e8 2e e2 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff f[ 55.516649] Modules linked in: fuse ip_tables cros_ec_sysfs cros_usbpd_charger uvcvideo cros_ec_lightbar cros_ec_chardev videobuf2_vmalloc videobuf2_memops cros_usbpd_logger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table [ 55.562557] CR2: ffffb58441f9fe18 [ 55.566254] ---[ end trace f26eca5477602e3f ]--- [ 55.571408] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 55.575782] Code: 89 ff e8 2e e2 79 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 10 51 e9 02 [ 55.596716] RSP: 0018:ffffb5844122fe60 EFLAGS: 00010282 [ 55.602544] RAX: ffffffffa5179a80 RBX: 0000000000000001 RCX: 0000000000000000 [ 55.610497] RDX: 0000000000000000 RSI: ffffa2edbbd1bf70 RDI: ffffffffa617e8d0 [ 55.618451] RBP: ffffffffa665d470 R08: 0000000000000001 R09: 0000000000000001 [ 55.626408] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 55.634359] R13: ffffb5844122ff10 R14: ffffb5844122ff10 R15: ffffa2ed45b7e000 [ 55.642316] FS: 00007fcc2c795580(0000) GS:ffffa2edbbc00000(0000) knlGS:0000000000000000 [ 55.651334] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.657738] CR2: ffffb58441f9fe18 CR3: 0000000106d6a000 CR4: 00000000003506f0 f 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 10 51 e9 02 # [ 54.709516] RSP: 0018:ffffb5844122fe60 EFLAGS: 00010282 # [ 54.715343] RAX: ffffffffa5179a80 RBX: 0000000000000001 RCX: 0000000000000000 # [ 54.723293] RDX: 0000000000000000 RSI: ffffa2edbbd1bf70 RDI: ffffffffa617e8d0 # [ 54.731248] RBP: ffffffffa665d470 R08: 0000000000000001 R09: 0000000000000001 # [ 54.739201] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 54.747154] R13: ffffb5844122ff10 R14: ffffb5844122ff10 R15: ffffa2ed45b7e000 # [ 54.755107] FS: 00007f366085b580(0000) GS:ffffa2edbbd00000(0000) knlGS:0000000000000000 # [ 54.764128] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 54.770530] CR2: ffffffffa800ebe0 CR3: 00000001061f8000 CR4: 00000000003506e0 # [ 54.778488] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 54.788380] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1537, name: cat # [ 54.796817] INFO: lockdep is turned off. # [ 54.801185] irq event stamp: 0 # [ 54.804591] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 54.811580] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 54.820693] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 54.829807] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 54.836794] CPU: 2 PID: 1537 Comm: cat Tainted: G D W 5.10.185-cip35 #1 # [ 54.845427] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 54.852023] Call Trace: # [ 54.854756] dump_stack+0x77/0x9b # [ 54.858455] ___might_sleep.cold+0xa6/0xb6 # [ 54.863028] exit_signals+0x1c/0x300 # [ 54.867013] do_exit+0xc2/0xab0 # [ 54.870516] ? ksys_write+0x68/0xf0 # [ 54.874412] make_task_dead+0x2f/0x30 # [ 54.878495] rewind_stack_and_make_dead+0x17/0x20 # [ 54.883740] RIP: 0033:0x7f3660771473 # [ 54.887725] Code: 8b 15 21 2a 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 # [ 54.908657] RSP: 002b:00007ffea41f43f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 54.917100] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f3660771473 # [ 54.925058] RDX: 000000000000000a RSI: 00007f3660665000 RDI: 0000000000000001 # [ 54.933013] RBP: 00007f3660665000 R08: 00007f3660664010 R09: 0000000000000000 # [ 54.940968] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 54.948924] 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 # [ 55.263910] lkdtm: Performing direct entry EXEC_STACK # [ 55.271740[ 55.945568] lkdtm: Performing direct entry EXEC_KMALLOC ] lkdtm: attempting ok execution at ffffffffa5179e50 # [ 55.2[ 55.956686] lkdtm: attempting ok execution at ffffffffa5179e50 78293] lkdtm: attempting bad execution at ffffb58441f9fe18 # [ [ 55.969448] lkdtm: attempting bad execution at ffffa2ed46315f80 55.284945] kernel tried to execute NX-protected page - exploit[ 55.982281] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 55.996734] BUG: unable to handle page fault for address: ffffa2ed46315f80 [ 56.004396] #PF: supervisor instruction fetch in kernel mode [ 56.010703] #PF: error_code(0x0011) - permissions violation [ 56.016919] PGD 1d801067 P4D 1d801067 PUD 100875063 PMD 1062d6063 PTE 8000000106315063 [ 56.025760] Oops: 0011 [#7] SMP PTI [ 56.029652] CPU: 3 PID: 1609 Comm: cat Tainted: G D W 5.10.185-cip35 #1 [ 56.038284] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 56.044888] RIP: 0010:0xffffa2ed46315f80 [ 56.049268] Code: 00 00 02 00 00 00 00 00 00 00 20 2d 9c 40 ed a2 ff ff 04 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fb ef 6f a4 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 [ 56.070208] RSP: 0018:ffffb5844203fe38 EFLAGS: 00010246 [ 56.076031] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 56.083994] RDX: 0000000000000000 RSI: ffffa2edbbd9bf70 RDI: ffffa2edbbd9bf70 [ 56.091958] RBP: ffffa2ed46315f80 R08: 0000000000000000 R09: 0000000000000000 [ 56.099912] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d [ 56.107866] R13: ffffb5844203ff10 R14: ffffb5844203ff10 R15: ffffa2ed4450c000 [ 56.115821] FS: 00007fe58a48e580(0000) GS:ffffa2edbbd80000(0000) knlGS:0000000000000000 [ 56.124839] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.131243] CR2: ffffa2ed46315f80 CR3: 0000000102656000 CR4: 00000000003506e0 [ 56.139199] Call Trace: [ 56.141938] ? __die_body.cold+0x1a/0x1f [ 56.146315] ? no_context+0x177/0x380 [ 56.150404] ? exc_page_fault+0xd7/0x170 [ 56.154779] ? asm_exc_page_fault+0x1e/0x30 [ 56.159458] ? execute_location+0x48/0x56 [ 56.163929] ? lkdtm_EXEC_KMALLOC+0x2c/0x40 [ 56.168591] ? direct_entry.cold+0x2c/0x38 [ 56.173163] ? full_proxy_write+0x56/0x80 [ 56.177644] ? vfs_write+0xea/0x3b0 [ 56.181537] ? ksys_write+0x68/0xf0 [ 56.185432] ? do_syscall_64+0x33/0x40 [ 56.189619] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 56.195457] Modules linked in: fuse ip_tables cros_ec_sysfs cros_usbpd_charger uvcvideo cros_ec_lightbar cros_ec_chardev videobuf2_vmalloc videobuf2_memops cros_usbpd_logger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table [ 56.235169] CR2: ffffa2ed46315f80 [ 56.238865] ---[ end trace f26eca5477602e40 ]--- [ 56.244017] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 56.248387] Code: 89 ff e8 2e e2 79 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 10 51 e9 02 [ 56.269317] RSP: 0018:ffffb5844122fe60 EFLAGS: 00010282 [ 56.275144] RAX: ffffffffa5179a80 RBX: 0000000000000001 RCX: 0000000000000000 [ 56.283098] RDX: 0000000000000000 RSI: ffffa2edbbd1bf70 RDI: ffffffffa617e8d0 [ 56.291051] RBP: ffffffffa665d470 R08: 0000000000000001 R09: 0000000000000001 [ 56.299007] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 56.306973] R13: ffffb5844122ff10 R14: ffffb5844122ff10 R15: ffffa2ed45b7e000 [ 56.314940] FS: 00007fe58a48e580(0000) GS:ffffa2edbbd80000(0000) knlGS:0000000000000000 [ 56.323963] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.330370] CR2: ffffa2ed46315f80 CR3: 0000000102656000 CR4: 00000000003506e0 [ 56.338326] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 56.348216] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1609, name: cat [ 56.356653] INFO: lockdep is turned off. [ 56.361020] irq event stamp: 0 [ 56.364424] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 56.371413] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 [ 56.380531] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 [ 56.389646] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 56.396632] CPU: 3 PID: 1609 Comm: cat Tainted: G D W 5.10.185-cip35 #1 [ 56.405262] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 56.411859] Call Trace: [ 56.414588] dump_stack+0x77/0x9b [ 56.418286] ___might_sleep.cold+0xa6/0xb6 [ 56.422856] exit_signals+0x1c/0x300 [ 56.426844] do_exit+0xc2/0xab0 [ 56.430344] ? ksys_write+0x68/0xf0 [ 56.434238] make_task_dead+0x2f/0x30 [ 56.438320] rewind_stack_and_make_dead+0x17/0x20 [ 56.443555] RIP: 0033:0x7fe58a3a4473 [ 56.447542] Code: 8b 15 21 2a 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 [ 56.468467] RSP: 002b:00007fffebee99c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 56.476908] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007fe58a3a4473 [ 56.484861] RDX: 000000000000000d RSI: 00007fe58a298000 RDI: 0000000000000001 [ 56.492813] RBP: 00007fe58a298000 R08: 00007fe58a297010 R09: 0000000000000000 [ 56.500766] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 56.508718] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 attempt? (uid: 0) # [ 55.299446] BUG: unable to handle page fault for address: ffffb58441f9fe18 # [ 55.307109] #PF: supervisor instruction fetch in kernel mode # [ 55.313414] #PF: error_code(0x0011) - permissions violation # [ 55.319621] PGD 100000067 P4D 100000067 PUD 100231067 PMD 106063067 PTE 8000000103b97063 # [ 55.334849] Oops: 0011 [#6] SMP PTI # [ 55.338745] CPU: 0 PID: 1573 Comm: cat Tainted: G D W 5.10.185-cip35 #1 # [ 55.353563] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 55.360167] RIP: 0010:0xffffb58441f9fe18 # [ 55.364540] Code: 00 00 18 fe f9 41 84 b5 ff ff 6c b6 80 a5 ff ff ff ff 20 00 00 00 00 00 00 00 3e 8f 5f a6 ff ff ff ff 98 b7 80 a5 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 # [ 55.385469] RSP: 0018:ffffb58441f9fdf8 EFLAGS: 00010246 # [ 55.391298] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 55.399250] RDX: 0000000000000000 RSI: ffffa2edbbc1bf70 RDI: ffffa2edbbc1bf70 # [ 55.407202] RBP: ffffb58441f9fe18 R08: 0000000000000000 R09: 0000000000000000 # [ 55.415154] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b # [ 55.423106] R13: ffffb58441f9ff10 R14: ffffb58441f9ff10 R15: ffffa2ed449d8000 # [ 55.431062] FS: 00007fcc2c795580(0000) GS:ffffa2edbbc00000(0000) knlGS:0000000000000000 # [ 55.440082] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 55.446484] CR2: ffffb58441f9fe18 CR3: 0000000106d6a000 CR4: 00000000003506f0 # [ 55.454438] Call Trace: # [ 55.457177] ? __die_body.cold+0x1a/0x1f # [ 55.461555] ? no_context+0x177/0x380 # [ 55.465644] ? exc_page_fault+0xd7/0x170 # [ 55.470020] ? asm_exc_page_fault+0x1e/0x30 # [ 55.474697] ? execute_location+0x48/0x56 # [ 55.479168] ? lkdtm_EXEC_STACK+0x26/0x44 # [ 55.483639] ? direct_entry.cold+0x2c/0x38 # [ 55.488208] ? full_proxy_write+0x56/0x80 # [ 55.492678] ? vfs_write+0xea/0x3b0 # [ 55.496568] ? ksys_write+0x68/0xf0 # [ 55.500451] ? do_syscall_64+0x33/0x40 # [ 55.504628] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 55.516649] Modules linked in: fuse ip_tables cros_ec_sysfs cros_usbpd_charger uvcvideo cros_ec_lightbar cros_ec_chardev videobuf2_vmalloc videobuf2_memops cros_usbpd_logger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 55.562557] CR2: ffffb58441f9fe18 # [ 55.566254] ---[ end trace f26eca5477602e3f ]--- # [ 55.571408] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 55.575782] Code: 89 ff e8 2e e2 79 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 10 51 e9 02 # [ 55.596716] RSP: 0018:ffffb5844122fe60 EFLAGS: 00010282 # [ 55.602544] RAX: ffffffffa5179a80 RBX: 0000000000000001 RCX: 0000000000000000 # [ 55.610497] RDX: 0000000000000000 RSI: ffffa2edbbd1bf70 RDI: ffffffffa617e8d0 # [ 55.618451] RBP: ffffffffa665d470 R08: 0000000000000001 R09: 0000000000000001 # [ 55.626408] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 55.634359] R13: ffffb5844122ff10 R14: ffffb5844122ff10 R15: ffffa2ed45b7e000 # [ 55.64[ 56.839575] lkdtm: Performing direct entry EXEC_VMALLOC 2316] FS: 00007fcc2c795580(0000) GS:ffffa2edbbc00000(0000) knlG[ 56.851102] lkdtm: attempting ok execution at ffffffffa5179e50 S:0000000000000000 # [ 55.651334] CS: 0010 DS: 0000 ES: 0000[ 56.863862] lkdtm: attempting bad execution at ffffb58440661000 CR0: 0000000080050033 # [ 55.657738] CR2: ffffb58441f9fe18 C[ 56.876681] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 56.891177] BUG: unable to handle page fault for address: ffffb58440661000 R3: 0000000106d6a000 CR4: 00000000003506f0 # EXEC_STACK: saw 'c[ 56.898830] #PF: supervisor instruction fetch in kernel mode [ 56.911324] #PF: error_code(0x0011) - permissions violation all trace:': ok ok 31 selftests: lkdtm: EXEC_STACK.sh # selfte[ 56.917538] PGD 100000067 P4D 100000067 PUD 100231067 PMD 106131067 PTE 80000001028df063 [ 56.932751] Oops: 0011 [#8] SMP PTI [ 56.936644] CPU: 1 PID: 1645 Comm: cat Tainted: G D W 5.10.185-cip35 #1 sts: lkdtm: EXEC_KMALLOC.sh # Killed # [ 55.945568] lkdtm: P[ 56.945274] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 56.958070] RIP: 0010:0xffffb58440661000 [ 56.962446] Code: Unable to access opcode bytes at RIP 0xffffb58440660fd6. erforming direct entry EXEC_KMALLOC # [ 55.956686] lkdtm: att[ 56.970112] RSP: 0018:ffffb584420d7e38 EFLAGS: 00010246 [ 56.982127] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 56.990083] RDX: 0000000000000000 RSI: ffffa2edbbc9bf70 RDI: ffffa2edbbc9bf70 [ 56.998037] RBP: ffffb58440661000 R08: 0000000000000000 R09: 0000000000000000 [ 57.005993] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d [ 57.013953] R13: ffffb584420d7f10 R14: ffffb584420d7f10 R15: ffffa2ed428df000 [ 57.021918] FS: 00007ff941a10580(0000) GS:ffffa2edbbc80000(0000) knlGS:0000000000000000 [ 57.030941] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.037350] CR2: ffffb58440660fd6 CR3: 0000000106d62000 CR4: 00000000003506e0 [ 57.045310] Call Trace: [ 57.048059] ? __die_body.cold+0x1a/0x1f [ 57.052437] ? no_context+0x177/0x380 [ 57.056526] ? exc_page_fault+0xd7/0x170 [ 57.060903] ? asm_exc_page_fault+0x1e/0x30 [ 57.065573] ? execute_location+0x48/0x56 [ 57.070045] ? lkdtm_EXEC_VMALLOC+0x20/0x30 [ 57.074716] ? direct_entry.cold+0x2c/0x38 [ 57.079284] ? full_proxy_write+0x56/0x80 [ 57.083759] ? vfs_write+0xea/0x3b0 [ 57.087652] ? ksys_write+0x68/0xf0 [ 57.091547] ? do_syscall_64+0x33/0x40 [ 57.095731] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 empting ok execution at ffffffffa5179e50 # [ 55.969448] lkdtm[ 57.101569] Modules linked in: fuse ip_tables cros_ec_sysfs cros_usbpd_charger uvcvideo cros_ec_lightbar cros_ec_chardev videobuf2_vmalloc videobuf2_memops cros_usbpd_logger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table [ 57.147463] CR2: ffffb58440661000 [ 57.151167] ---[ end trace f26eca5477602e41 ]--- [ 57.156327] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 57.160707] Code: 89 ff e8 2e e2 79 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 10 51 e9 02 [ 57.181660] RSP: 0018:ffffb5844122fe60 EFLAGS: 00010282 [ 57.187479] RAX: ffffffffa5179a80 RBX: 0000000000000001 RCX: 0000000000000000 [ 57.195441] RDX: 0000000000000000 RSI: ffffa2edbbd1bf70 RDI: ffffffffa617e8d0 [ 57.203405] RBP: ffffffffa665d470 R08: 0000000000000001 R09: 0000000000000001 [ 57.211377] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 57.219346] R13: ffffb5844122ff10 R14: ffffb5844122ff10 R15: ffffa2ed45b7e000 [ 57.227314] FS: 00007ff941a10580(0000) GS:ffffa2edbbc80000(0000) knlGS:0000000000000000 [ 57.236356] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.242775] CR2: ffffb58440660fd6 CR3: 0000000106d62000 CR4: 00000000003506e0 : attempting bad execution at ffffa2ed46315f80 # [ 55.982281] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 55.996734] BUG: unable to handle page fault for address: ffffa2ed46315f80 # [ 56.004396] #PF: supervisor instruction fetch in kernel mode # [ 56.010703] #PF: error_code(0x0011) - permissions violation # [ 56.016919] PGD 1d801067 P4D 1d801067 PUD 100875063 PMD 1062d6063 PTE 8000000106315063 # [ 56.025760] Oops: 0011 [#7] SMP PTI # [ 56.029652] CPU: 3 PID: 1609 Comm: cat Tainted: G D W 5.10.185-cip35 #1 # [ 56.038284] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 56.044888] RIP: 0010:0xffffa2ed46315f80 # [ 56.049268] Code: 00 00 02 00 00 00 00 00 00 00 20 2d 9c 40 ed a2 ff ff 04 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fb ef 6f a4 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 # [ 56.070208] RSP: 0018:ffffb5844203fe38 EFLAGS: 00010246 # [ 56.076031] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 56.083994] RDX: 0000000000000000 RSI: ffffa2edbbd9bf70 RDI: ffffa2edbbd9bf70 # [ 56.091958] RBP: ffffa2ed46315f80 R08: 0000000000000000 R09: 0000000000000000 # [ 56.099912] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d # [ 56.107866] R13: ffffb5844203ff10 R14: ffffb5844203ff10 R15: ffffa2ed4450c000 # [ 56.115821] FS: 00007fe58a48e580(0000) GS:ffffa2edbbd80000(0000) knlGS:0000000000000000 # [ 56.124839] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 56.131243] CR2: ffffa2ed46315f80 CR3: 0000000102656000 CR4: 00000000003506e0 # [ 56.139199] Call Trace: # [ 56.141938] ? __die_body.cold+0x1a/0x1f # [ 56.146315] ? no_context+0x177/0x380 # [ 56.150404] ? exc_page_fault+0xd7/0x170 # [ 56.154779] ? asm_exc_page_fault+0x1e/0x30 # [ 56.159458] ? execute_location+0x48/0x56 # [ 56.163929] ? lkdtm_EXEC_KMALLOC+0x2c/0x40 # [ 56.168591] ? direct_entry.cold+0x2c/0x38 # [ 56.173163] ? full_proxy_write+0x56/0x80 # [ 56.177644] ? vfs_write+0xea/0x3b0 # [ 56.181537] ? ksys_write+0x68/0xf0 # [ 56.185432] ? do_syscall_64+0x33/0x40 # [ 56.189619] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 56.195457] Modules linked in: fuse ip_tables cros_ec_sysfs cros_usbpd_charger uvcvideo cros_ec_lightbar cros_ec_chardev videobuf2_vmalloc videobuf2_memops cros_usbpd_logger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 56.235169] CR2: ffffa2ed46315f80 # [ 56.238865] ---[ end trace f26eca5477602e40 ]--- # [ 56.244017] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 56.248387] Code: 89 ff e8 2e e2 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 0[ 57.532589] lkdtm: Performing direct entry EXEC_RODATA [ 57.542075] lkdtm: attempting ok execution at ffffffffa5179e50 [ 57.548629] lkdtm: attempting bad execution at ffffffffa617ed60 [ 57.555290] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 57.563653] BUG: unable to handle page fault for address: ffffffffa617ed60 0 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 10 51 [ 57.571325] #PF: supervisor instruction fetch in kernel mode [ 57.583853] #PF: error_code(0x0011) - permissions violation [ 57.590079] PGD 1be29067 P4D 1be29067 PUD 1be2a063 PMD 800000001b6001e1 [ 57.597578] Oops: 0011 [#9] SMP PTI [ 57.601479] CPU: 2 PID: 1681 Comm: cat Tainted: G D W 5.10.185-cip35 #1 e9 02 # [ 56.269317] RSP: 0018:ffffb5844122fe60 EFLAGS: 00010[ 57.610121] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 57.622932] RIP: 0010:lkdtm_rodata_do_nothing+0x0/0x10 [ 57.628675] Code: ff ff 08 cc 80 a5 ff ff ff ff 8a 91 5f a6 ff ff ff ff 4e b3 80 a5 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 [ 57.649622] RSP: 0018:ffffb5844213fe48 EFLAGS: 00010246 [ 57.655451] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 [ 57.663408] RDX: 0000000000000000 RSI: ffffa2edbbd1bf70 RDI: ffffa2edbbd1bf70 [ 57.671362] RBP: ffffffffa617ed60 R08: 0000000000000000 R09: 0000000000000000 [ 57.679317] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c [ 57.687286] R13: ffffb5844213ff10 R14: ffffb5844213ff10 R15: ffffa2ed432c9000 [ 57.695261] FS: 00007fc257ca2580(0000) GS:ffffa2edbbd00000(0000) knlGS:0000000000000000 [ 57.704300] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.710721] CR2: ffffffffa617ed60 CR3: 00000001058d0000 CR4: 00000000003506e0 [ 57.718688] Call Trace: [ 57.721429] ? __die_body.cold+0x1a/0x1f [ 57.725811] ? no_context+0x177/0x380 [ 57.729907] ? exc_page_fault+0xd7/0x170 [ 57.734291] ? asm_exc_page_fault+0x1e/0x30 [ 57.738971] ? execute_location+0x48/0x56 [ 57.743446] ? direct_entry.cold+0x2c/0x38 [ 57.748021] ? full_proxy_write+0x56/0x80 [ 57.752497] ? vfs_write+0xea/0x3b0 [ 57.756391] ? ksys_write+0x68/0xf0 [ 57.760291] ? do_syscall_64+0x33/0x40 [ 57.764475] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 57.770324] Modules linked in: fuse ip_tables cros_ec_sysfs cros_usbpd_charger uvcvideo cros_ec_lightbar cros_ec_chardev videobuf2_vmalloc videobuf2_memops cros_usbpd_logger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table [ 57.810052] CR2: ffffffffa617ed60 [ 57.813754] ---[ end trace f26eca5477602e42 ]--- [ 57.818913] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 57.823295] Code: 89 ff e8 2e e2 79 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 10 51 e9 02 [ 57.844256] RSP: 0018:ffffb5844122fe60 EFLAGS: 00010282 [ 57.850093] RAX: ffffffffa5179a80 RBX: 0000000000000001 RCX: 0000000000000000 [ 57.858065] RDX: 0000000000000000 RSI: ffffa2edbbd1bf70 RDI: ffffffffa617e8d0 [ 57.866033] RBP: ffffffffa665d470 R08: 0000000000000001 R09: 0000000000000001 [ 57.873999] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 57.881960] R13: ffffb5844122ff10 R14: ffffb5844122ff10 R15: ffffa2ed45b7e000 [ 57.889924] FS: 00007fc257ca2580(0000) GS:ffffa2edbbd00000(0000) knlGS:0000000000000000 [ 57.898948] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.905358] CR2: ffffffffa617ed60 CR3: 00000001058d0000 CR4: 00000000003506e0 [ 57.913324] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 57.923236] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1681, name: cat [ 57.931690] INFO: lockdep is turned off. [ 57.936067] irq event stamp: 0 [ 57.939478] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 57.946473] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 [ 57.955613] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 [ 57.964754] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 57.971758] CPU: 2 PID: 1681 Comm: cat Tainted: G D W 5.10.185-cip35 #1 [ 57.980407] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 57.987017] Call Trace: [ 57.989757] dump_stack+0x77/0x9b [ 57.993466] ___might_sleep.cold+0xa6/0xb6 282 # [ 56.275144] RAX: ffffffffa5179a80 RBX: 000000000000000[ 57.998049] exit_signals+0x1c/0x300 [ 58.008243] do_exit+0xc2/0xab0 [ 58.011746] ? ksys_write+0x68/0xf0 [ 58.015643] make_task_dead+0x2f/0x30 [ 58.019736] rewind_stack_and_make_dead+0x17/0x20 [ 58.024989] RIP: 0033:0x7fc257bb8473 [ 58.028982] Code: 8b 15 21 2a 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 [ 58.049950] RSP: 002b:00007ffc00a3a6b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 58.058391] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007fc257bb8473 [ 58.066362] RDX: 000000000000000c RSI: 00007fc257aac000 RDI: 0000000000000001 [ 58.074334] RBP: 00007fc257aac000 R08: 00007fc257aab010 R09: 0000000000000000 [ 58.082302] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 58.090268] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 1 RCX: 0000000000000000 # [ 56.283098] RDX: 0000000000000000 RSI: ffffa2edbbd1bf70 RDI: ffffffffa617e8d0 # [ 56.291051] RBP: ffffffffa665d470 R08: 0000000000000001 R09: 0000000000000001 # [ 56.299007] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 56.306973] R13: ffffb5844122ff10 R14: ffffb5844122ff10 R15: ffffa2ed45b7e000 # [ 56.314940] FS: 00007fe58a48e580(0000) GS:ffffa2edbbd80000(0000) knlGS:0000000000000000 # [ 56.323963] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 56.330370] CR2: ffffa2ed46315f80 CR3: 0000000102656000 CR4: 00000000003506e0 # [ 56.338326] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 56.348216] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1609, name: cat # [ 56.356653] INFO: lockdep is turned off. # [ 56.361020] irq event stamp: 0 # [ 56.364424] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 56.371413] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 56.380531] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 56.389646] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 56.396632] CPU: 3 PID: 1609 Comm: cat Tainted: G D W 5.10.185-cip35 #1 # [ 56.405262] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 56.411859] Call Trace: # [ 56.414588] dump_stack+0x77/0x9b # [ 56.418286] ___might_sleep.cold+0xa6/0xb6 # [ 56.422856] exit_signals+0x1c/0x300 # [ 56.426844] do_exit+0xc2/0xab0 # [ 56.430344] ? ksys_write+0x68/0xf0 # [ 56.434238] make_task_dead+0x2f/0x30 # [ 56.438320] rewind_stack_and_make_dead+0x17/0x20 # [ 56.443555] RIP: 0033:0x7fe58a3a4473 # [ 56.447542] Code: 8b 15 21 2a 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 # [ 56.468467] RSP: 002b:00007fffebee99c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 56.476908] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007fe58a3a4473 # [ 56.484861] RDX: 000000000000000d RSI: 00007fe58a298000 RDI: 0000000000000001 # [ 56.492813] RBP: 00007fe58a298000 R08: 00007fe58a297010 R09: 0000000000000000 # [ 56.500766] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 56.508718] 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 # [ 56.839575] lkdtm: Performing direct entry EXEC_VMALLOC # [ 56.851102] lkdtm: attempting ok execution at ffffffffa5179e50 # [ 56.863862] lkdtm: attempting bad execution at ffffb58440661000 # [ 56.876681] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 56.891177] BUG: unable to handle page fault for address: ffffb58440661000 # [ 56.898830] #PF: supervisor instruction fetch in kernel mode # [ 56.911324] #PF: error_code(0x0011) - permissions violation # [ 56.917538] PGD 100000067 P4D 100000067 PUD 100231067 PMD 106131067 PTE 80000001028df063 # [ 56.932751] Oops: 0011 [#8] SMP PTI # [ 56.936644] CPU: 1 PID: 1645 Comm: cat Tainted: G D W 5.10.185-cip35 #1 # [ 56.945274] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 56.958070] RIP: 0010:0xffffb58440661000 # [ 56.962446] Code: Unable to access opcode bytes at RIP 0xffffb58440660fd6. # [ 56.970112] RSP: 0018:ffffb584420d7e38 EFLAGS: 00010246 # [ 56.982127] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 56.990083] RDX: 0000000000000000 RSI: ffffa2edbbc9bf70 RDI: ffffa2edbb[ 58.463099] lkdtm: Performing direct entry EXEC_USERSPACE c9bf70 # [ 56.998037] RBP: ffffb58440661000 R08: 000000000000[ 58.470634] lkdtm: attempting ok execution at ffffffffa5179e50 0000 R09: 0000000000000000 # [ 57.005993] R10: 00000000ffffe0[ 58.483439] lkdtm: attempting bad execution at 00007f899aa54000 [ 58.496289] unable to execute userspace code (SMEP?) (uid: 0) [ 58.502697] BUG: unable to handle page fault for address: 00007f899aa54000 [ 58.510373] #PF: supervisor instruction fetch in kernel mode [ 58.516686] #PF: error_code(0x0011) - permissions violation [ 58.522903] PGD 8000000103c86067 P4D 8000000103c86067 PUD 105a55067 PMD 10623c067 PTE 108799067 [ 58.532624] Oops: 0011 [#10] SMP PTI [ 58.536614] CPU: 2 PID: 1717 Comm: cat Tainted: G D W 5.10.185-cip35 #1 [ 58.545256] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 58.551861] RIP: 0010:0x7f899aa54000 [ 58.555846] Code: Unable to access opcode bytes at RIP 0x7f899aa53fd6. [ 58.563135] RSP: 0018:ffffb584421d7e50 EFLAGS: 00010246 [ 58.568961] RAX: 0000000000000033 RBX: 0000000000000024 RCX: 0000000000000000 [ 58.576919] RDX: 0000000000000000 RSI: ffffa2edbbd1bf70 RDI: ffffa2edbbd1bf70 [ 58.584878] RBP: 00007f899aa54000 R08: 0000000000000000 R09: 0000000000000000 [ 58.592846] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000f [ 58.600804] R13: ffffb584421d7f10 R14: ffffb584421d7f10 R15: ffffa2ed43421000 [ 58.608770] FS: 00007f899aa25580(0000) GS:ffffa2edbbd00000(0000) knlGS:0000000000000000 [ 58.617802] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.624215] CR2: 00007f899aa54000 CR3: 000000010629e000 CR4: 00000000003506e0 [ 58.632183] Call Trace: [ 58.634925] ? __die_body.cold+0x1a/0x1f [ 58.639311] ? no_context+0x177/0x380 [ 58.643409] ? exc_page_fault+0x53/0x170 [ 58.647788] ? asm_exc_page_fault+0x1e/0x30 [ 58.652469] ? lkdtm_EXEC_USERSPACE.cold+0x69/0xae [ 58.657812] ? direct_entry.cold+0x2c/0x38 [ 58.662385] ? full_proxy_write+0x56/0x80 [ 58.666860] ? vfs_write+0xea/0x3b0 [ 58.670751] ? ksys_write+0x68/0xf0 [ 58.674645] ? do_syscall_64+0x33/0x40 [ 58.678828] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 00 R11: 3fffffffffffffff R12: 000000000000000d # [ 57.013953][ 58.684652] Modules linked in: fuse ip_tables cros_ec_sysfs cros_usbpd_charger uvcvideo cros_ec_lightbar cros_ec_chardev videobuf2_vmalloc videobuf2_memops cros_usbpd_logger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table [ 58.730588] CR2: 00007f899aa54000 [ 58.734287] ---[ end trace f26eca5477602e43 ]--- [ 58.739439] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 58.743815] Code: 89 ff e8 2e e2 79 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 10 51 e9 02 [ 58.764753] RSP: 0018:ffffb5844122fe60 EFLAGS: 00010282 [ 58.770579] RAX: ffffffffa5179a80 RBX: 0000000000000001 RCX: 0000000000000000 [ 58.778535] RDX: 0000000000000000 RSI: ffffa2edbbd1bf70 RDI: ffffffffa617e8d0 [ 58.786495] RBP: ffffffffa665d470 R08: 0000000000000001 R09: 0000000000000001 [ 58.794463] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 58.802421] R13: ffffb5844122ff10 R14: ffffb5844122ff10 R15: ffffa2ed45b7e000 [ 58.810382] FS: 00007f899aa25580(0000) GS:ffffa2edbbd00000(0000) knlGS:0000000000000000 [ 58.819402] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.825807] CR2: 00007f899aa54000 CR3: 000000010629e000 CR4: 00000000003506e0 R13: ffffb584420d7f10 R14: ffffb584420d7f10 R15: ffffa2ed428df000 # [ 57.021918] FS: 00007ff941a10580(0000) GS:ffffa2edbbc80000(0000) knlGS:0000000000000000 # [ 57.030941] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 57.037350] CR2: ffffb58440660fd6 CR3: 0000000106d62000 CR4: 00000000003506e0 # [ 57.045310] Call Trace: # [ 57.048059] ? __die_body.cold+0x1a/0x1f # [ 57.052437] ? no_context+0x177/0x380 # [ 57.056526] ? exc_page_fault+0xd7/0x170 # [ 57.060903] ? asm_exc_page_fault+0x1e/0x30 # [ 57.065573] ? execute_location+0x48/0x56 # [ 57.070045] ? lkdtm_EXEC_VMALLOC+0x20/0x30 # [ 57.074716] ? direct_entry.cold+0x2c/0x38 # [ 57.079284] ? full_proxy_write+0x56/0x80 # [ 57.083759] ? vfs_write+0xea/0x3b0 # [ 57.087652] ? ksys_write+0x68/0xf0 # [ 57.091547] ? do_syscall_64+0x33/0x40 # [ 57.095731] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 57.101569] Modules linked in: fuse ip_tables cros_ec_sysfs cros_usbpd_charger uvcvideo cros_ec_lightbar cros_ec_chardev videobuf2_vmalloc videobuf2_memops cros_usbpd_logger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 57.147463] CR2: ffffb58440661000 # [ 57.151167] ---[ end trace f26eca5477602e41 ]--- # [ 57.156327] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 57.160707] Code: 89 ff e8 2e e2 79 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 10 51 e9 02 # [ 57.181660] RSP: 0018:ffffb5844122fe60 EFLAGS: 00010282 # [ 57.187479] RAX: ffffffffa5179a80 RBX: 0000000000000001 RCX: 0000000000000000 # [ 57.195441] RDX: 0000000000000000 RSI: ffffa2edbbd1bf70 RDI: ffffffffa617e8d0 # [ 57.203405] RBP: ffffffffa665d470 R08: 0000000000000001 R09: 0000000000000001 # [ 57.211377] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 57.219346] R13: ffffb5844122ff10 R14: ffffb5844122ff10 R15: ffffa2ed45b7e000 # [ 57.227314] FS: 00007ff941a10580(0000) GS:ffffa2edbbc80000(0000) knlGS:0000000000000000 # [ 57.236356] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 57.242775] CR2: ffffb58440660fd6 CR3: 0000000106d62000 CR4: 00000000003506e0 # EXEC_VMALLOC: saw 'call trace:': ok ok 33 selftests: lkdtm: EXEC_VMALLOC.sh # selftests: lkdtm: EXEC_RODATA.sh # Killed # [ 57.532589] lkdtm: Performing direct entry EXEC_RODATA # [ 57.542075] lkdtm: attempting ok execution at ffffffffa5179e50 # [ 57.548629] lkdtm: attempting bad execution at ffffffffa617ed60 # [ 57.555290] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 57.563653] BUG: unable to handle page fault for address: ffffffffa617ed60 # [ 57.571325] #PF: supervisor instruction fetch in kernel mode # [ 57.583853] #PF: error_code(0x0011) - permissions violation # [ 57.590079] PGD 1be2[ 59.131249] lkdtm: Performing direct entry EXEC_NULL 9067 P4D 1be29067 PUD 1be2a063 PMD 800000001b6001e1 # [ 57.5[ 59.137344] lkdtm: attempting ok execution at ffffffffa5179e50 97578] Oops: 0011 [#9] SMP PTI # [ 57.601479] CPU: 2 PID: 168[ 59.150099] lkdtm: attempting bad execution at 0000000000000000 1 Comm: cat Tainted: G D W 5.10.185-cip35 #1 # [ [ 59.162938] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 59.176874] #PF: supervisor instruction fetch in kernel mode [ 59.183190] #PF: error_code(0x0010) - not-present page [ 59.188927] PGD 0 P4D 0 [ 59.191759] Oops: 0010 [#11] SMP PTI [ 59.195755] CPU: 3 PID: 1753 Comm: cat Tainted: G D W 5.10.185-cip35 #1 [ 59.204394] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 59.211005] RIP: 0010:0x0 [ 59.213930] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6. [ 59.221612] RSP: 0018:ffffb58442277e48 EFLAGS: 00010246 [ 59.227446] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 [ 59.235416] RDX: 0000000000000000 RSI: ffffa2edbbd9bf70 RDI: ffffa2edbbd9bf70 [ 59.243370] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 59.251327] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a [ 59.259292] R13: ffffb58442277f10 R14: ffffb58442277f10 R15: ffffa2ed4477c000 [ 59.267250] FS: 00007f542f965580(0000) GS:ffffa2edbbd80000(0000) knlGS:0000000000000000 [ 59.276276] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.282686] CR2: ffffffffffffffd6 CR3: 0000000106db0000 CR4: 00000000003506e0 [ 59.290646] Call Trace: [ 59.293384] ? __die_body.cold+0x1a/0x1f [ 59.297760] ? no_context+0x177/0x380 [ 59.301851] ? exc_page_fault+0x53/0x170 [ 59.306231] ? asm_exc_page_fault+0x1e/0x30 [ 59.310918] execute_location+0x48/0x56 [ 59.315204] direct_entry.cold+0x2c/0x38 [ 59.319576] full_proxy_write+0x56/0x80 [ 59.323855] vfs_write+0xea/0x3b0 [ 59.327553] ksys_write+0x68/0xf0 [ 59.331250] do_syscall_64+0x33/0x40 [ 59.335238] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 59.340861] RIP: 0033:0x7f542f87b473 [ 59.344853] Code: 8b 15 21 2a 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 [ 59.365788] RSP: 002b:00007ffff531bd68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 59.374237] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f542f87b473 [ 59.382196] RDX: 000000000000000a RSI: 00007f542f76f000 RDI: 0000000000000001 [ 59.390160] RBP: 00007f542f76f000 R08: 00007f542f76e010 R09: 0000000000000000 [ 59.398119] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 59.406079] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 59.414044] Modules linked in: fuse ip_tables cros_ec_sysfs cros_usbpd_charger uvcvideo cros_ec_lightbar cros_ec_chardev videobuf2_vmalloc videobuf2_memops cros_usbpd_logger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table [ 59.453778] CR2: 0000000000000000 [ 59.457482] ---[ end trace f26eca5477602e44 ]--- [ 59.462641] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 59.467022] Code: 89 ff e8 2e e2 79 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 10 51 e9 02 [ 59.488001] RSP: 0018:ffffb5844122fe60 EFLAGS: 00010282 [ 59.493835] RAX: ffffffffa5179a80 RBX: 0000000000000001 RCX: 0000000000000000 [ 59.501804] RDX: 0000000000000000 RSI: ffffa2edbbd1bf70 RDI: ffffffffa617e8d0 [ 59.509778] RBP: ffffffffa665d470 R08: 0000000000000001 R09: 0000000000000001 [ 59.517747] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 59.525712] R13: ffffb5844122ff10 R14: ffffb5844122ff10 R15: ffffa2ed45b7e000 [ 59.533675] FS: 00007f542f965580(0000) GS:ffffa2edbbd80000(0000) knlGS:0000000000000000 [ 59.542709] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.549116] CR2: ffffffffffffffd6 CR3: 0000000106db0000 CR4: 00000000003506e0 [ 59.557087] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 59.566996] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1753, name: cat [ 59.575442] INFO: lockdep is turned off. [ 59.579816] irq event stamp: 0 [ 59.583223] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 59.590226] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 [ 59.599354] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 [ 59.608493] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 59.615495] CPU: 3 PID: 1753 Comm: cat Tainted: G D W 5.10.185-cip35 #1 [ 59.624146] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 59.630757] Call Trace: [ 59.633497] dump_stack+0x77/0x9b [ 59.637200] ___might_sleep.cold+0xa6/0xb6 [ 59.641781] exit_signals+0x1c/0x300 [ 59.645775] do_exit+0xc2/0xab0 [ 59.649280] ? ksys_write+0x68/0xf0 [ 59.653163] make_task_dead+0x2f/0x30 [ 59.657247] rewind_stack_and_make_dead+0x17/0x20 [ 59.662495] RIP: 0033:0x7f542f87b473 [ 59.666487] Code: 8b 15 21 2a 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 [ 59.687466] RSP: 002b:00007ffff531bd68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 59.695928] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f542f87b473 [ 59.703901] RDX: 000000000000000a RSI: 00007f542f76f000 RDI: 0000000000000001 [ 59.711872] RBP: 00007f542f76f000 R08: 00007f542f76e010 R09: 0000000000000000 [ 59.719843] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 59.727811] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 57.610121] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 57.622932] RIP: 0010:lkdtm_rodata_do_nothing+0x0/0x10 # [ 57.628675] Code: ff ff 08 cc 80 a5 ff ff ff ff 8a 91 5f a6 ff ff ff ff 4e b3 80 a5 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 # [ 57.649622] RSP: 0018:ffffb5844213fe48 EFLAGS: 00010246 # [ 57.655451] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 # [ 57.663408] RDX: 0000000000000000 RSI: ffffa2edbbd1bf70 RDI: ffffa2edbbd1bf70 # [ 57.671362] RBP: ffffffffa617ed60 R08: 0000000000000000 R09: 0000000000000000 # [ 57.679317] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c # [ 57.687286] R13: ffffb5844213ff10 R14: ffffb5844213ff10 R15: ffffa2ed432c9000 # [ 57.695261] FS: 00007fc257ca2580(0000) GS:ffffa2edbbd00000(0000) knlGS:0000000000000000 # [ 57.704300] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 57.710721] CR2: ffffffffa617ed60 CR3: 00000001058d0000 CR4: 00000000003506e0 # [ 57.718688] Call Trace: # [ 57.721429] ? __die_body.cold+0x1a/0x1f # [ 57.725811] ? no_context+0x177/0x380 # [ 57.729907] ? exc_page_fault+0xd7/0x170 # [ 57.734291] ? asm_exc_page_fault+0x1e/0x30 # [ 57.738971] ? execute_location+0x48/0x56 # [ 57.743446] ? direct_entry.cold+0x2c/0x38 # [ 57.748021] ? full_proxy_write+0x56/0x80 # [ 57.752497] ? vfs_write+0xea/0x3b0 # [ 57.756391] ? ksys_write+0x68/0xf0 # [ 57.760291] ? do_syscall_64+0x33/0x40 # [ 57.764475] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 57.770324] Modules linked in: fuse ip_tables cros_ec_sysfs cros_usbpd_charger uvcvideo cros_ec_lightbar cros_ec_chardev videobuf2_vmalloc videobuf2_memops cros_usbpd_logger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 57.810052] CR2: ffffffffa617ed60 # [ 57.813754] ---[ end trace f26eca5477602e42 ]--- # [ 57.818913] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 57.823295] Code: 89 ff e8 2e e2 79 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 10 51 e9 02 # [ 57.844256] RSP: 0018:ffffb5844122fe60 EFLAGS: 00010282 # [ 57.850093] RAX: ffffffffa5179a80 RBX: 0000000000000001 RCX: 0000000000000000 # [ 57.858065] RDX: 0000000000000000 RSI: ffffa2edbbd1bf70 RDI: ffffffffa617e8d0 # [ 57.866033] RBP: ffffffffa665d470 R08: 0000000000000001 R09: 0000000000000001 # [ 57.873999] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 57.881960] R13: ffffb5844122ff10 R14: ffffb5844122ff10 R15: ffffa2ed45b7e000 # [ 57.889924] FS: 00007fc257ca2580(0000) GS:ffffa2edbbd00000(0000) knlGS:0000000000000000 # [ 57.898948] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 57.905358] CR2: ffffffffa617ed60 CR3: 00000001058d0000 CR4: 00000000003506e0 # [ 57.913324] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 57.923236] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1681, name: cat # [ 57.931690] INFO: lockdep is turned off. # [ 57.936067] irq event stamp: 0 # [ 57.939478] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 57.946473] hardirqs last disabled at[ 60.071444] lkdtm: Performing direct entry ACCESS_USERSPACE (0): [] copy_process+0x664/0x1c60 # [ 57.9[ 60.083691] lkdtm: attempting bad read at 00007f29b5123000 55613] softirqs last enabled at (0): [] copy_[ 60.096018] BUG: unable to handle page fault for address: 00007f29b5123000 [ 60.109856] #PF: supervisor read access in kernel mode [ 60.115590] #PF: error_code(0x0001) - permissions violation [ 60.121811] PGD 8000000103422067 P4D 8000000103422067 PUD 1028d9067 PMD 105b69067 PTE 1078a0067 [ 60.131546] Oops: 0001 [#12] SMP PTI [ 60.135544] CPU: 3 PID: 1788 Comm: cat Tainted: G D W 5.10.185-cip35 #1 [ 60.144187] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 60.150807] RIP: 0010:lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3 [ 60.157028] Code: 00 00 00 75 64 48 83 c4 10 5d c3 cc cc cc cc 48 89 ee 48 c7 c7 a8 9e 5f a6 e8 d7 d7 fb ff 48 c7 c7 d0 9e 5f a6 b8 de c0 de c0 <48> 03 45 00 48 89 04 24 e8 be d7 fb ff 48 89 ee 48 c7 c7 f8 9e 5f [ 60.177987] RSP: 0018:ffffb5844230fe48 EFLAGS: 00010246 [ 60.183822] RAX: 00000000c0dec0de RBX: 0000000000000026 RCX: 0000000000000000 [ 60.191784] RDX: 0000000000000000 RSI: ffffa2edbbd9bf70 RDI: ffffffffa65f9ed0 [ 60.199743] RBP: 00007f29b5123000 R08: 0000000000000000 R09: 0000000000000000 [ 60.207702] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000011 [ 60.215663] R13: ffffb5844230ff10 R14: ffffb5844230ff10 R15: ffffa2ed46e38000 [ 60.223632] FS: 00007f29b50f4580(0000) GS:ffffa2edbbd80000(0000) knlGS:0000000000000000 [ 60.232665] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 60.239074] CR2: 00007f29b5123000 CR3: 00000001058d0000 CR4: 00000000003506e0 [ 60.247040] Call Trace: [ 60.249780] ? __die_body.cold+0x1a/0x1f [ 60.254163] ? no_context+0x177/0x380 [ 60.258260] ? exc_page_fault+0x53/0x170 [ 60.262647] ? asm_exc_page_fault+0x1e/0x30 [ 60.267332] ? lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3 [ 60.272871] ? lkdtm_ACCESS_USERSPACE.cold+0x35/0xa3 [ 60.278415] direct_entry.cold+0x2c/0x38 [ 60.282800] full_proxy_write+0x56/0x80 [ 60.287090] vfs_write+0xea/0x3b0 [ 60.290789] ksys_write+0x68/0xf0 [ 60.294493] do_syscall_64+0x33/0x40 [ 60.298487] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 60.304129] RIP: 0033:0x7f29b500a473 [ 60.308124] Code: 8b 15 21 2a 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 [ 60.329083] RSP: 002b:00007ffd39dac1b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 60.337527] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007f29b500a473 [ 60.345487] RDX: 0000000000000011 RSI: 00007f29b4efe000 RDI: 0000000000000001 [ 60.353452] RBP: 00007f29b4efe000 R08: 00007f29b4efd010 R09: 0000000000000000 [ 60.361416] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 60.369381] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 60.377336] Modules linked in: fuse ip_tables cros_ec_sysfs cros_usbpd_charger uvcvideo cros_ec_lightbar cros_ec_chardev videobuf2_vmalloc videobuf2_memops cros_usbpd_logger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table [ 60.417061] CR2: 00007f29b5123000 [ 60.420765] ---[ end trace f26eca5477602e45 ]--- [ 60.425927] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 60.430306] Code: 89 ff e8 2e e2 79 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 10 51 e9 02 [ 60.451261] RSP: 0018:ffffb5844122fe60 EFLAGS: 00010282 [ 60.457088] RAX: ffffffffa5179a80 RBX: 0000000000000001 RCX: 0000000000000000 [ 60.465041] RDX: 0000000000000000 RSI: ffffa2edbbd1bf70 RDI: ffffffffa617e8d0 [ 60.473000] RBP: ffffffffa665d470 R08: 0000000000000001 R09: 0000000000000001 [ 60.480952] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 60.488907] R13: ffffb5844122ff10 R14: ffffb5844122ff10 R15: ffffa2ed45b7e000 [ 60.496870] FS: 00007f29b50f4580(0000) GS:ffffa2edbbd80000(0000) knlGS:0000000000000000 [ 60.505888] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 60.512299] CR2: 00007f29b5123000 CR3: 00000001058d0000 CR4: 00000000003506e0 process+0x664/0x1c60 # [ 57.964754] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 57.971758] CPU: 2 PID: 1681 Comm: cat Tainted: G D W 5.10.185-cip35 #1 # [ 57.980407] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 57.987017] Call Trace: # [ 57.989757] dump_stack+0x77/0x9b # [ 57.993466] ___might_sleep.cold+0xa6/0xb6 # [ 57.998049] exit_signals+0x1c/0x300 # [ 58.008243] do_exit+0xc2/0xab0 # [ 58.011746] ? ksys_write+0x68/0xf0 # [ 58.015643] make_task_dead+0x2f/0x30 # [ 58.019736] rewind_stack_and_make_dead+0x17/0x20 # [ 58.024989] RIP: 0033:0x7fc257bb8473 # [ 58.028982] Code: 8b 15 21 2a 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 # [ 58.049950] RSP: 002b:00007ffc00a3a6b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 58.058391] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007fc257bb8473 # [ 58.066362] RDX: 000000000000000c RSI: 00007fc257aac000 RDI: 0000000000000001 # [ 58.074334] RBP: 00007fc257aac000 R08: 00007fc257aab010 R09: 0000000000000000 # [ 58.082302] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 58.090268] 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 # [ 58.463099] lkdtm: Performing direct entry EXEC_USERSPACE # [ 58.470634] lkdtm: attempting ok execution at ffffffffa5179e50 # [ 58.483439] lkdtm: attempting bad execution at 00007f899aa54000 # [ 58.496289] unable to execute userspace code (SMEP?) (uid: 0) # [ 58.502697] BUG: unable to handle page fault for address: 00007f899aa54000 # [ 58.510373] #PF: supervisor instruction fetch in kernel mode # [ 58.516686] #PF: error_code(0x0011) - permissions violation # [ 58.522903] PGD 8000000103c86067 P4D 8000000103c86067 PUD 105a55067 PMD 10623c067 PTE 108799067 # [ 58.532624] Oops: 0011 [#10] SMP PTI # [ 58.536614] CPU: 2 PID: 1717 Comm: cat Tainted: G D W 5.10.185-cip35 #1 # [ 58.545256] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 58.551861] RIP: 0010:0x7f899aa54000 # [ 58.555846] Code: Unable to access opcode bytes at RIP 0x7f899aa53fd6. # [ 58.563135] RSP: 0018:ffffb584421d7e50 EFLAGS: 00010246 # [ 58.568961] RAX: 0000000000000033 RBX: 0000000000000024 RCX: 0000000000000000 # [ 58.576919] RDX: 0000000000000000 RSI: ffffa2edbbd1bf70 RDI: ffffa2edbbd1bf70 # [ 58.584878] RBP: 00007f899aa54000 R08: 0000000000000000 R09: 0000000000000000 # [ 58.592846] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000f # [ 58.600804] R13: ffffb584421d7f10 R14: ffffb584421d7f10 R15: ffffa2ed43421000 # [ 58.608770] FS: 00007f899aa25580(0000) GS:ffffa2edbbd00000(0000) knlGS:0000000000000000 # [ 58.617802] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 58.624215] CR2: 00007f899aa54000 CR3: 000000010629e000 CR4: 00000000003506e0 # [ 58.632183] Call Trace: # [ 58.634925] ? __die_body.cold+0x1a/0x1f # [ 58.639311] ? no_context+0x177/0x380 # [ 58.643409] ? exc_page_fault+0x53/0x170 # [ 58.647788] ? asm_exc_page_fault+0x1e/0x30 # [ 58.652469] ? lkdtm_EXEC_USERSPACE.cold+0x69/0xae # [ 58.657812] ? direct_entry.cold+0x2c/0x38 # [ 58.662385] ? full_proxy_write+0x56/0x80 # [ 58.666860] ? vfs_write+0xea/0x3b0 # [ 58.670751] ? ksys_write+0x68/0xf0 # [ 58.674645] ? do_syscall_64+0x33/0x40 # [ 58.678828] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 58.684652] Modules linked in: fuse ip_tables cros_ec_sysfs cros_usbpd_charger uvcvideo cros_ec_lightbar cros_ec_chardev videobuf2_vmall[ 60.890274] lkdtm: Performing direct entry ACCESS_NULL [ 60.898265] lkdtm: attempting bad read at 0000000000000000 oc videobuf2_memops cros_usbpd_logger cros_ec_debugfs videobuf2_[ 60.904450] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 60.918422] #PF: supervisor read access in kernel mode [ 60.924161] #PF: error_code(0x0000) - not-present page [ 60.929892] PGD 0 P4D 0 [ 60.932725] Oops: 0000 [#13] SMP PTI [ 60.936708] CPU: 0 PID: 1823 Comm: cat Tainted: G D W 5.10.185-cip35 #1 [ 60.945342] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 60.951968] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53 [ 60.957221] Code: 7b d7 fb ff be 00 10 00 00 48 89 ef e8 4d 96 0f ff e9 69 ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 a8 9e 5f a6 e8 55 d7 fb ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 d0 9e 5f a6 48 01 [ 60.978161] RSP: 0018:ffffb584423a7e58 EFLAGS: 00010246 [ 60.983997] RAX: 000000000000002e RBX: 0000000000000027 RCX: 0000000000000000 [ 60.991955] RDX: 0000000000000000 RSI: ffffa2edbbc1bf70 RDI: ffffa2edbbc1bf70 [ 60.999907] RBP: ffffffffa65f8f99 R08: 0000000000000000 R09: 0000000000000000 [ 61.007864] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c [ 61.015815] R13: ffffb584423a7f10 R14: ffffb584423a7f10 R15: ffffa2ed46d63000 [ 61.023767] FS: 00007f197894f580(0000) GS:ffffa2edbbc00000(0000) knlGS:0000000000000000 [ 61.032784] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 61.039187] CR2: 0000000000000000 CR3: 0000000106cb0000 CR4: 00000000003506f0 [ 61.047137] Call Trace: [ 61.049872] ? __die_body.cold+0x1a/0x1f [ 61.054242] ? no_context+0x177/0x380 [ 61.058331] ? exc_page_fault+0x53/0x170 [ 61.062708] ? asm_exc_page_fault+0x1e/0x30 [ 61.067381] ? lkdtm_ACCESS_NULL+0x14/0x53 [ 61.071948] ? lkdtm_ACCESS_NULL+0x14/0x53 [ 61.076515] direct_entry.cold+0x2c/0x38 [ 61.080893] full_proxy_write+0x56/0x80 [ 61.085173] vfs_write+0xea/0x3b0 [ 61.088871] ksys_write+0x68/0xf0 [ 61.092570] do_syscall_64+0x33/0x40 [ 61.096556] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 61.102187] RIP: 0033:0x7f1978865473 [ 61.106162] Code: 8b 15 21 2a 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 [ 61.127105] RSP: 002b:00007ffd6ac32758 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 61.135555] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f1978865473 [ 61.143512] RDX: 000000000000000c RSI: 00007f1978759000 RDI: 0000000000000001 [ 61.151465] RBP: 00007f1978759000 R08: 00007f1978758010 R09: 0000000000000000 [ 61.159427] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 61.167379] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 61.175345] Modules linked in: fuse ip_tables cros_ec_sysfs cros_usbpd_charger uvcvideo cros_ec_lightbar cros_ec_chardev videobuf2_vmalloc videobuf2_memops cros_usbpd_logger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table [ 61.215067] CR2: 0000000000000000 [ 61.218763] ---[ end trace f26eca5477602e46 ]--- [ 61.223922] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 61.228302] Code: 89 ff e8 2e e2 79 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 10 51 e9 02 [ 61.249260] RSP: 0018:ffffb5844122fe60 EFLAGS: 00010282 [ 61.255094] RAX: ffffffffa5179a80 RBX: 0000000000000001 RCX: 0000000000000000 [ 61.263055] RDX: 0000000000000000 RSI: ffffa2edbbd1bf70 RDI: ffffffffa617e8d0 [ 61.271019] RBP: ffffffffa665d470 R08: 0000000000000001 R09: 0000000000000001 [ 61.278991] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 61.286957] R13: ffffb5844122ff10 R14: ffffb5844122ff10 R15: ffffa2ed45b7e000 [ 61.294924] FS: 00007f197894f580(0000) GS:ffffa2edbbc00000(0000) knlGS:0000000000000000 [ 61.303956] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 61.310372] CR2: 0000000000000000 CR3: 0000000106cb0000 CR4: 00000000003506f0 [ 61.318332] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 61.328236] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1823, name: cat [ 61.336685] INFO: lockdep is turned off. [ 61.341064] irq event stamp: 0 [ 61.344473] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 61.351474] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 [ 61.360596] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 [ 61.369730] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 61.376724] CPU: 0 PID: 1823 Comm: cat Tainted: G D W 5.10.185-cip35 #1 [ 61.385361] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 61.391969] Call Trace: [ 61.394705] dump_stack+0x77/0x9b [ 61.398409] ___might_sleep.cold+0xa6/0xb6 [ 61.402987] exit_signals+0x1c/0x300 [ 61.406979] do_exit+0xc2/0xab0 [ 61.410490] ? ksys_write+0x68/0xf0 [ 61.414385] make_task_dead+0x2f/0x30 [ 61.418472] rewind_stack_and_make_dead+0x17/0x20 [ 61.423715] RIP: 0033:0x7f1978865473 [ 61.427699] Code: 8b 15 21 2a 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 [ 61.448630] RSP: 002b:00007ffd6ac32758 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 61.457083] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f1978865473 [ 61.465047] RDX: 000000000000000c RSI: 00007f1978759000 RDI: 0000000000000001 [ 61.473006] RBP: 00007f1978759000 R08: 00007f1978758010 R09: 0000000000000000 [ 61.480965] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 61.488919] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 58.730588] CR2: 00007f899aa54000 # [ 58.734287] ---[ end trace f26eca5477602e43 ]--- # [ 58.739439] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 58.743815] Code: 89 ff e8 2e e2 79 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 10 51 e9 02 # [ 58.764753] RSP: 0018:ffffb5844122fe60 EFLAGS: 00010282 # [ 58.770579] RAX: ffffffffa5179a80 RBX: 0000000000000001 RCX: 0000000000000000 # [ 58.778535] RDX: 0000000000000000 RSI: ffffa2edbbd1bf70 RDI: ffffffffa617e8d0 # [ 58.786495] RBP: ffffffffa665d470 R08: 0000000000000001 R09: 0000000000000001 # [ 58.794463] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 58.802421] R13: ffffb5844122ff10 R14: ffffb5844122ff10 R15: ffffa2ed45b7e000 # [ 58.810382] FS: 00007f899aa25580(0000) GS:ffffa2edbbd00000(0000) knlGS:0000000000000000 # [ 58.819402] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 58.825807] CR2: 00007f899aa54000 CR3: 000000010629e000 CR4: 00000000003506e0 # EXEC_USERSPACE: saw 'call trace:': ok ok 35 selftests: lkdtm: EXEC_USERSPACE.sh # selftests: lkdtm: EXEC_NULL.sh # Killed # [ 59.131249] lkdtm: Performing direct entry EXEC_NULL # [ 59.137344] lkdtm: attempting ok execution at ffffffffa5179e50 # [ 59.150099] lkdtm: attempting bad execution at 0000000000000000 # [ 59.162938] BUG: kernel NULL pointer dereference, address: 0000000000000000 # [ 59.176874] #PF: supervisor instruction fetch in kernel mode # [ 59.183190] #PF: error_code(0x0010) - not-present page # [ 59.188927] PGD 0 P4D 0 # [ 59.191759] Oops: 0010 [#11] SMP PTI # [ 59.195755] CPU: 3 PID: 1753 Comm: cat Tainted: G D W 5.10.185-cip35 #1 # [ 59.204394] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 59.211005] RIP: 0010:0x0 # [ 59.213930] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6. # [ 59.221612] RSP: 0018:ffffb58442277e48 EFLAGS: 00010246 # [ 59.227446] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 # [ 59.235416] RDX: 0000000000000000 RSI: ffffa2edbbd9bf70 RDI: ffffa2edbbd9bf70 # [ 59.243370] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 # [ 59.251327] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 59.259292] R13: ffffb58442277f10 R14: ffffb58442277f10 R15: ffffa2ed4477c000 # [ 59.267250] FS: 00007f542f965580(0000) GS:ffffa2edbbd80000(0000) knlGS:0000000000000000 # [ 59.276276] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 59.282686] CR2: ffffffffffffffd6 CR3: 0000000106db0000 CR4: 00000000003506e0 # [ 59.290646] Call Trace: # [ 59.293384] ? __die_body.cold+0x1a/0x1f # [ 59.297760] ? no_context+0x177/0x380 # [ 59.301851] ? exc_page_fault+0x53/0x170 # [ 59.306231] ? asm_exc_page_fault+0x1e/0x30 # [ 59.310918] execute_location+0x48/0x56 # [ 59.315204] direct_entry.cold+0x2c/0x38 # [ 59.319576] full_proxy_write+0x56/0x80 # [ 59.323855] vfs_write+0xea/0x3b0 # [ 59.327553] ksys_write+0x68/0xf0 # [ 59.331250] do_syscall_64+0x33/0x40 # [ 59.335238] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 59[ 61.829560] lkdtm: Performing direct entry WRITE_RO .340861] RIP: 0033:0x7f542f87b473 # [ 59.344853] Code: 8b 15 [ 61.837531] lkdtm: attempting bad rodata write at ffffffffa617ed50 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 6[ 61.850666] BUG: unable to handle page fault for address: ffffffffa617ed50 [ 61.864509] #PF: supervisor write access in kernel mode [ 61.870343] #PF: error_code(0x0003) - permissions violation [ 61.876570] PGD 1be29067 P4D 1be29067 PUD 1be2a063 PMD 800000001b6001e1 [ 61.884071] Oops: 0003 [#14] SMP PTI [ 61.888066] CPU: 3 PID: 1858 Comm: cat Tainted: G D W 5.10.185-cip35 #1 [ 61.896709] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 61.903325] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a [ 61.908288] Code: 00 48 c7 c7 88 9d 5f a6 48 c7 c6 50 ed 17 a6 e8 ff d9 fb ff 48 8b 05 b7 36 97 00 ba 34 12 cd ab 48 c7 c7 b8 9d 5f a6 48 31 d0 <48> 89 05 a1 36 97 00 e9 dd d9 fb ff 0f 1f 44 00 00 48 8b 05 70 2c [ 61.929265] RSP: 0018:ffffb5844242fe60 EFLAGS: 00010202 [ 61.935101] RAX: 000000000198b861 RBX: 0000000000000028 RCX: 0000000000000000 [ 61.943061] RDX: 00000000abcd1234 RSI: ffffa2edbbd9bf70 RDI: ffffffffa65f9db8 [ 61.951024] RBP: ffffffffa65f8fa5 R08: 0000000000000000 R09: 0000000000000000 [ 61.958988] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000009 [ 61.966949] R13: ffffb5844242ff10 R14: ffffb5844242ff10 R15: ffffa2ed4404d000 [ 61.974912] FS: 00007fac9e57c580(0000) GS:ffffa2edbbd80000(0000) knlGS:0000000000000000 [ 61.983939] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 61.990343] CR2: ffffffffa617ed50 CR3: 0000000102a6a000 CR4: 00000000003506e0 [ 61.998312] Call Trace: [ 62.001052] ? __die_body.cold+0x1a/0x1f [ 62.005440] ? no_context+0x177/0x380 [ 62.009538] ? exc_page_fault+0xd7/0x170 [ 62.013917] ? asm_exc_page_fault+0x1e/0x30 [ 62.018589] ? lkdtm_WRITE_RO+0x2e/0x3a [ 62.022869] direct_entry.cold+0x2c/0x38 [ 62.027246] full_proxy_write+0x56/0x80 [ 62.031527] vfs_write+0xea/0x3b0 [ 62.035228] ksys_write+0x68/0xf0 [ 62.038932] do_syscall_64+0x33/0x40 [ 62.042919] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 62.048552] RIP: 0033:0x7fac9e492473 [ 62.052545] Code: 8b 15 21 2a 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 [ 62.073498] RSP: 002b:00007ffcba6ca108 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 62.081948] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007fac9e492473 [ 62.089911] RDX: 0000000000000009 RSI: 00007fac9e386000 RDI: 0000000000000001 [ 62.097872] RBP: 00007fac9e386000 R08: 00007fac9e385010 R09: 0000000000000000 [ 62.105831] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 62.113801] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 62.121774] Modules linked in: fuse ip_tables cros_ec_sysfs cros_usbpd_charger uvcvideo cros_ec_lightbar cros_ec_chardev videobuf2_vmalloc videobuf2_memops cros_usbpd_logger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table [ 62.161530] CR2: ffffffffa617ed50 [ 62.165232] ---[ end trace f26eca5477602e47 ]--- [ 62.170394] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 62.174769] Code: 89 ff e8 2e e2 79 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 10 51 e9 02 [ 62.195736] RSP: 0018:ffffb5844122fe60 EFLAGS: 00010282 [ 62.201571] RAX: ffffffffa5179a80 RBX: 0000000000000001 RCX: 0000000000000000 [ 62.209538] RDX: 0000000000000000 RSI: ffffa2edbbd1bf70 RDI: ffffffffa617e8d0 [ 62.217504] RBP: ffffffffa665d470 R08: 0000000000000001 R09: 0000000000000001 [ 62.225465] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 62.233433] R13: ffffb5844122ff10 R14: ffffb5844122ff10 R15: ffffa2ed45b7e000 [ 62.241404] FS: 00007fac9e57c580(0000) GS:ffffa2edbbd80000(0000) knlGS:0000000000000000 [ 62.250435] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 62.256848] CR2: ffffffffa617ed50 CR3: 0000000102a6a000 CR4: 00000000003506e0 4 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 59.365788] RSP: 002b:00007ffff531bd68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 59.374237] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f542f87b473 # [ 59.382196] RDX: 000000000000000a RSI: 00007f542f76f000 RDI: 0000000000000001 # [ 59.390160] RBP: 00007f542f76f000 R08: 00007f542f76e010 R09: 0000000000000000 # [ 59.398119] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 59.406079] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 59.414044] Modules linked in: fuse ip_tables cros_ec_sysfs cros_usbpd_charger uvcvideo cros_ec_lightbar cros_ec_chardev videobuf2_vmalloc videobuf2_memops cros_usbpd_logger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 59.453778] CR2: 0000000000000000 # [ 59.457482] ---[ end trace f26eca5477602e44 ]--- # [ 59.462641] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 59.467022] Code: 89 ff e8 2e e2 79 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 10 51 e9 02 # [ 59.488001] RSP: 0018:ffffb5844122fe60 EFLAGS: 00010282 # [ 59.493835] RAX: ffffffffa5179a80 RBX: 0000000000000001 RCX: 0000000000000000 # [ 59.501804] RDX: 0000000000000000 RSI: ffffa2edbbd1bf70 RDI: ffffffffa617e8d0 # [ 59.509778] RBP: ffffffffa665d470 R08: 0000000000000001 R09: 0000000000000001 # [ 59.517747] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 59.525712] R13: ffffb5844122ff10 R14: ffffb5844122ff10 R15: ffffa2ed45b7e000 # [ 59.533675] FS: 00007f542f965580(0000) GS:ffffa2edbbd80000(0000) knlGS:0000000000000000 # [ 59.542709] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 59.549116] CR2: ffffffffffffffd6 CR3: 0000000106db0000 CR4: 00000000003506e0 # [ 59.557087] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 59.566996] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1753, name: cat # [ 59.575442] INFO: lockdep is turned off. # [ 59.579816] irq event stamp: 0 # [ 59.583223] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 59.590226] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 59.599354] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 59.608493] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 59.615495] CPU: 3 PID: 1753 Comm: cat Tainted: G D W 5.10.185-cip35 #1 # [ 59.624146] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 59.630757] Call Trace: # [ 59.633497] dump_stack+0x77/0x9b # [ 59.637200] ___might_sleep.cold+0xa6/0xb6 # [ 59.641781] exit_signals+0x1c/0x300 # [ 59.645775] do_exit+0xc2/0xab0 # [ 59.649280] ? ksys_write+0x68/0xf0 # [ 59.653163] make_task_dead+0x2f/0x30 # [ 59.657247] rewind_stack_and_make_dead+0x17/0x20 # [ 59.662495] RIP: 0033:0x7f542f87b473 # [ 59.666487] Code: 8b 15 21 2a 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 # [ 59.687466] RSP: 002b:00007ffff531bd68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 59.695928] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f542f87b473 # [ 59.703901] RDX: 000000000000000a RSI: 00007f542f76f000 RDI: 0000000000000001 # [ 59.711872] RBP: 00007f542f76f000 R08: 00007f542f76e010 R09: 00[ 62.631427] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT [ 62.643765] lkdtm: attempting bad ro_after_init write at ffffffffa667e330 [ 62.651404] BUG: unable to handle page fault for address: ffffffffa667e330 [ 62.659087] #PF: supervisor write access in kernel mode [ 62.664914] #PF: error_code(0x0003) - permissions violation 00000000000000 # [ 59.719843] R10: fffffffffffffbc5 R11: 0000[ 62.671136] PGD 1be29067 P4D 1be29067 PUD 1be2a063 PMD 1003d5163 PTE 800000001bc7e061 [ 62.686103] Oops: 0003 [#15] SMP PTI 000000000246 R12: 0000000000000001 # [ 59.727811] R13: 000000[ 62.690096] CPU: 0 PID: 1893 Comm: cat Tainted: G D W 5.10.185-cip35 #1 [ 62.704910] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 62.711530] RIP: 0010:lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a [ 62.717559] Code: 9d 5f a6 e9 b1 d9 fb ff 48 c7 c7 10 9e 5f a6 e8 a5 d9 fb ff 48 8b 05 3d 2c e7 00 ba 34 12 cd ab 48 c7 c7 b8 9d 5f a6 48 31 d0 <48> 89 05 27 2c e7 00 e9 83 d9 fb ff 0f 1f 44 00 00 41 54 48 c7 c7 [ 62.738531] RSP: 0018:ffffb5844249fe60 EFLAGS: 00010202 [ 62.744368] RAX: 00000000fe67479e RBX: 0000000000000029 RCX: 0000000000000000 [ 62.752336] RDX: 00000000abcd1234 RSI: ffffa2edbbc1bf70 RDI: ffffffffa65f9db8 [ 62.760301] RBP: ffffffffa65f8fae R08: 0000000000000000 R09: 0000000000000000 [ 62.768264] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000014 [ 62.776232] R13: ffffb5844249ff10 R14: ffffb5844249ff10 R15: ffffa2ed449d7000 [ 62.784204] FS: 00007ff55dadc580(0000) GS:ffffa2edbbc00000(0000) knlGS:0000000000000000 [ 62.793243] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 62.799663] CR2: ffffffffa667e330 CR3: 00000001063ae000 CR4: 00000000003506f0 [ 62.807624] Call Trace: [ 62.810366] ? __die_body.cold+0x1a/0x1f [ 62.814752] ? no_context+0x177/0x380 [ 62.818842] ? exc_page_fault+0xd7/0x170 [ 62.823225] ? asm_exc_page_fault+0x1e/0x30 [ 62.827904] ? lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a [ 62.833253] direct_entry.cold+0x2c/0x38 [ 62.837639] full_proxy_write+0x56/0x80 [ 62.841927] vfs_write+0xea/0x3b0 [ 62.845632] ksys_write+0x68/0xf0 [ 62.849341] do_syscall_64+0x33/0x40 [ 62.853338] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 62.858985] RIP: 0033:0x7ff55d9f2473 [ 62.862982] Code: 8b 15 21 2a 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 [ 62.883944] RSP: 002b:00007ffd49f1d0f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 62.892394] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007ff55d9f2473 [ 62.900364] RDX: 0000000000000014 RSI: 00007ff55d8e6000 RDI: 0000000000000001 [ 62.908335] RBP: 00007ff55d8e6000 R08: 00007ff55d8e5010 R09: 0000000000000000 [ 62.916300] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 62.924260] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 0000000001 R14: 0000000000020000 R15: 0000000000020000 # EXEC_N[ 62.932226] Modules linked in: fuse ip_tables cros_ec_sysfs cros_usbpd_charger uvcvideo cros_ec_lightbar cros_ec_chardev videobuf2_vmalloc videobuf2_memops cros_usbpd_logger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table [ 62.978162] CR2: ffffffffa667e330 [ 62.981858] ---[ end trace f26eca5477602e48 ]--- [ 62.987011] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 62.991385] Code: 89 ff e8 2e e2 79 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 10 51 e9 02 [ 63.012327] RSP: 0018:ffffb5844122fe60 EFLAGS: 00010282 [ 63.018151] RAX: ffffffffa5179a80 RBX: 0000000000000001 RCX: 0000000000000000 [ 63.026109] RDX: 0000000000000000 RSI: ffffa2edbbd1bf70 RDI: ffffffffa617e8d0 [ 63.034072] RBP: ffffffffa665d470 R08: 0000000000000001 R09: 0000000000000001 [ 63.042027] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 63.049994] R13: ffffb5844122ff10 R14: ffffb5844122ff10 R15: ffffa2ed45b7e000 [ 63.057957] FS: 00007ff55dadc580(0000) GS:ffffa2edbbc00000(0000) knlGS:0000000000000000 [ 63.066980] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 63.073396] CR2: ffffffffa667e330 CR3: 00000001063ae000 CR4: 00000000003506f0 [ 63.081369] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 63.091280] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1893, name: cat [ 63.099728] INFO: lockdep is turned off. [ 63.104105] irq event stamp: 0 [ 63.107513] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 63.114511] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 [ 63.123636] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 [ 63.132767] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 63.139768] CPU: 0 PID: 1893 Comm: cat Tainted: G D W 5.10.185-cip35 #1 [ 63.148416] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 63.155026] Call Trace: [ 63.157762] dump_stack+0x77/0x9b [ 63.161463] ___might_sleep.cold+0xa6/0xb6 ULL: saw 'call trace:': ok ok 36 selftests: lkdtm: EXEC_NULL.sh[ 63.166042] exit_signals+0x1c/0x300 [ 63.176221] do_exit+0xc2/0xab0 [ 63.179730] ? ksys_write+0x68/0xf0 [ 63.183620] make_task_dead+0x2f/0x30 [ 63.187702] rewind_stack_and_make_dead+0x17/0x20 [ 63.192958] RIP: 0033:0x7ff55d9f2473 [ 63.196952] Code: 8b 15 21 2a 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 [ 63.217926] RSP: 002b:00007ffd49f1d0f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 63.226385] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007ff55d9f2473 [ 63.234358] RDX: 0000000000000014 RSI: 00007ff55d8e6000 RDI: 0000000000000001 [ 63.242312] RBP: 00007ff55d8e6000 R08: 00007ff55d8e5010 R09: 0000000000000000 [ 63.250271] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 63.258231] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # selftests: lkdtm: ACCESS_USERSPACE.sh # Killed # [ 60.071444] lkdtm: Performing direct entry ACCESS_USERSPACE # [ 60.083691] lkdtm: attempting bad read at 00007f29b5123000 # [ 60.096018] BUG: unable to handle page fault for address: 00007f29b5123000 # [ 60.109856] #PF: supervisor read access in kernel mode # [ 60.115590] #PF: error_code(0x0001) - permissions violation # [ 60.121811] PGD 8000000103422067 P4D 8000000103422067 PUD 1028d9067 PMD 105b69067 PTE 1078a0067 # [ 60.131546] Oops: 0001 [#12] SMP PTI # [ 60.135544] CPU: 3 PID: 1788 Comm: cat Tainted: G D W 5.10.185-cip35 #1 # [ 60.144187] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 60.150807] RIP: 0010:lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3 # [ 60.157028] Code: 00 00 00 75 64 48 83 c4 10 5d c3 cc cc cc cc 48 89 ee 48 c7 c7 a8 9e 5f a6 e8 d7 d7 fb ff 48 c7 c7 d0 9e 5f a6 b8 de c0 de c0 <48> 03 45 00 48 89 04 24 e8 be d7 fb ff 48 89 ee 48 c7 c7 f8 9e 5f # [ 60.177987] RSP: 0018:ffffb5844230fe48 EFLAGS: 00010246 # [ 60.183822] RAX: 00000000c0dec0de RBX: 0000000000000026 RCX: 0000000000000000 # [ 60.191784] RDX: 0000000000000000 RSI: ffffa2edbbd9bf70 RDI: ffffffffa65f9ed0 # [ 60.199743] RBP: 00007f29b5123000 R08: 0000000000000000 R09: 0000000000000000 # [ 60.207702] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000011 # [ 60.215663] R13: ffffb5844230ff10 R14: ffffb5844230ff10 R15: ffffa2ed46e38000 # [ 60.223632] FS: 00007f29b50f4580(0000) GS:ffffa2edbbd80000(0000) knlGS:0000000000000000 # [ 60.232665] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 60.239074] CR2: 00007f29b5123000 CR3: 00000001058d0000 CR4: 00000000003506e0 # [ 60.247040] Call Trace: # [ 60.249780] ? __die_body.cold+0x1a/0x1f # [ 60.254163] ? no_context+0x177/0x380 # [ 60.258260] ? exc_page_fault+0x53/0x170 # [ 60.262647] ? asm_exc_page_fault+0x1e/0x30 # [ 60.267332] ? lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3 # [ 60.272871] ? lkdtm_ACCESS_USERSPACE.cold+0x35/0xa3 # [ 60.278415] direct_entry.cold+0x2c/0x38 # [ 60.282800] full_proxy_write+0x56/0x80 # [ 60.287090] vfs_write+0xea/0x3b0 # [ 60.290789] ksys_write+0x68/0xf0 # [ 60.294493] do_syscall_64+0x33/0x40 # [ 60.298487] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 60.304129] RIP: 0033:0x7f29b500a473 # [ 60.308124] Code: 8b 15 21 2a 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 # [ 60.329083] RSP: 002b:00007ffd39dac1b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 60.337527] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007f29b500a473 # [ 60.345487] RDX: 0000000000000011 RSI: 00007f29b4efe000 RDI: 0000000000000001 # [ 60.353452] RBP: 00007f29b4efe000 R08: 00007f29b4efd010 R09: 0000000000000000 # [ 60.361416] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 60.369381] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 60.377336] Modules linked in: fuse ip_tables cros_ec_sysfs cros_usbpd_charger uvcvideo cros_ec_lightbar cros_ec_chardev videobuf2_vmalloc videobuf2_memops cros_usbpd_logger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 60.417061] CR2: 00007f29b5123000 # [ 60.420765] ---[ end trace f26eca54[ 63.612046] lkdtm: Performing direct entry WRITE_KERN 77602e45 ]--- # [ 60.425927] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 63.619551] lkdtm: attempting bad 6887363 byte write at ffffffffa580b613 [ 63.633294] BUG: unable to handle page fault for address: ffffffffa580b613 [ 63.640976] #PF: supervisor write access in kernel mode [ 60.430306] Code: 89 ff e8 2e e2 79 ff 48 c7 c0 ea ff ff ff e[ 63.646809] #PF: error_code(0x0003) - permissions violation b de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb[ 63.659227] PGD 1be29067 P4D 1be29067 PUD 1be2a063 PMD 1ae001e1 [ 63.672140] Oops: 0003 [#16] SMP PTI c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 0[ 63.676129] CPU: 0 PID: 1928 Comm: cat Tainted: G D W 5.10.185-cip35 #1 [ 63.690951] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 63.697562] RIP: 0010:lkdtm_WRITE_KERN+0x38/0x4e [ 63.702710] Code: 53 48 c7 c3 13 b6 80 a5 49 89 dc 48 89 da 49 81 ec 50 9e 17 a5 4c 89 e6 e8 58 d9 fb ff 48 89 df 4c 89 e1 48 c7 c6 50 9e 17 a5 a4 48 c7 c7 b8 9d 5f a6 e8 3d d9 fb ff 5b 41 5c e9 b7 fe ff ff [ 63.723634] RSP: 0018:ffffb5844253fe50 EFLAGS: 00010246 [ 63.729461] RAX: 000000000000003c RBX: ffffffffa580b613 RCX: 00000000006917c3 [ 63.737417] RDX: 0000000000000000 RSI: ffffffffa5179e50 RDI: ffffffffa580b613 [ 63.745372] RBP: ffffffffa65f8fc2 R08: 0000000000000000 R09: 0000000000000000 [ 63.753325] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 00000000006917c3 [ 63.761276] R13: ffffb5844253ff10 R14: ffffb5844253ff10 R15: ffffa2ed42982000 [ 63.769230] FS: 00007f8d78cdc580(0000) GS:ffffa2edbbc00000(0000) knlGS:0000000000000000 [ 63.778259] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 63.784671] CR2: ffffffffa580b613 CR3: 000000010267a000 CR4: 00000000003506f0 [ 63.792628] Call Trace: [ 63.795364] ? __die_body.cold+0x1a/0x1f [ 63.799733] ? no_context+0x177/0x380 [ 63.803821] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 [ 63.809263] ? exc_page_fault+0xd7/0x170 [ 63.813640] ? asm_exc_page_fault+0x1e/0x30 [ 63.818304] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 [ 63.823758] ? lkdtm_SLAB_FREE_PAGE+0x40/0x40 [ 63.828622] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 [ 63.834066] ? lkdtm_WRITE_KERN+0x38/0x4e [ 63.838537] direct_entry.cold+0x2c/0x38 [ 63.842912] full_proxy_write+0x56/0x80 [ 63.847197] vfs_write+0xea/0x3b0 [ 63.850895] ksys_write+0x68/0xf0 [ 63.854593] do_syscall_64+0x33/0x40 [ 63.858581] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 63.864204] RIP: 0033:0x7f8d78bf2473 [ 63.868189] Code: 8b 15 21 2a 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 [ 63.889124] RSP: 002b:00007ffde77294d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 63.897577] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f8d78bf2473 [ 63.905536] RDX: 000000000000000b RSI: 00007f8d78ae6000 RDI: 0000000000000001 [ 63.913494] RBP: 00007f8d78ae6000 R08: 00007f8d78ae5010 R09: 0000000000000000 [ 63.921452] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 63.929405] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 63.937371] Modules linked in: fuse ip_tables cros_ec_sysfs cros_usbpd_charger uvcvideo cros_ec_lightbar cros_ec_chardev videobuf2_vmalloc videobuf2_memops cros_usbpd_logger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table 0 00 83 05 10 51 e9 02 # [ 60.451261] RSP: 0018:ffffb5844122f[ 63.977075] CR2: ffffffffa580b613 [ 63.986965] ---[ end trace f26eca5477602e49 ]--- [ 63.992117] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 63.996493] Code: 89 ff e8 2e e2 79 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 10 51 e9 02 [ 64.017426] RSP: 0018:ffffb5844122fe60 EFLAGS: 00010282 [ 64.023251] RAX: ffffffffa5179a80 RBX: 0000000000000001 RCX: 0000000000000000 [ 64.031204] RDX: 0000000000000000 RSI: ffffa2edbbd1bf70 RDI: ffffffffa617e8d0 [ 64.039157] RBP: ffffffffa665d470 R08: 0000000000000001 R09: 0000000000000001 [ 64.047118] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 64.055077] R13: ffffb5844122ff10 R14: ffffb5844122ff10 R15: ffffa2ed45b7e000 [ 64.063036] FS: 00007f8d78cdc580(0000) GS:ffffa2edbbc00000(0000) knlGS:0000000000000000 [ 64.072056] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 64.078460] CR2: ffffffffa580b613 CR3: 000000010267a000 CR4: 00000000003506f0 [ 64.086415] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 64.096304] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1928, name: cat [ 64.104738] INFO: lockdep is turned off. [ 64.109108] irq event stamp: 0 [ 64.112508] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 64.119497] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 [ 64.128615] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 [ 64.137729] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 64.144718] CPU: 0 PID: 1928 Comm: cat Tainted: G D W 5.10.185-cip35 #1 [ 64.153347] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 64.159942] Call Trace: [ 64.162671] dump_stack+0x77/0x9b [ 64.166367] ___might_sleep.cold+0xa6/0xb6 [ 64.170935] exit_signals+0x1c/0x300 [ 64.174922] do_exit+0xc2/0xab0 [ 64.178425] ? ksys_write+0x68/0xf0 [ 64.182316] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 [ 64.187752] make_task_dead+0x2f/0x30 [ 64.191834] rewind_stack_and_make_dead+0x17/0x20 [ 64.197079] RIP: 0033:0x7f8d78bf2473 [ 64.201064] Code: 8b 15 21 2a 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 [ 64.221989] RSP: 002b:00007ffde77294d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 64.230427] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f8d78bf2473 [ 64.238383] RDX: 000000000000000b RSI: 00007f8d78ae6000 RDI: 0000000000000001 [ 64.246335] RBP: 00007f8d78ae6000 R08: 00007f8d78ae5010 R09: 0000000000000000 [ 64.254284] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 64.262236] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 e60 EFLAGS: 00010282 # [ 60.457088] RAX: ffffffffa5179a80 RBX: 0000000000000001 RCX: 0000000000000000 # [ 60.465041] RDX: 0000000000000000 RSI: ffffa2edbbd1bf70 RDI: ffffffffa617e8d0 # [ 60.473000] RBP: ffffffffa665d470 R08: 0000000000000001 R09: 0000000000000001 # [ 60.480952] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 60.488907] R13: ffffb5844122ff10 R14: ffffb5844122ff10 R15: ffffa2ed45b7e000 # [ 60.496870] FS: 00007f29b50f4580(0000) GS:ffffa2edbbd80000(0000) knlGS:0000000000000000 # [ 60.505888] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 60.512299] CR2: 00007f29b5123000 CR3: 00000001058d0000 CR4: 00000000003506e0 # ACCESS_USERSPACE: saw 'call trace:': ok ok 37 selftests: lkdtm: ACCESS_USERSPACE.sh # selftests: lkdtm: ACCESS_NULL.sh # Killed # [ 60.890274] lkdtm: Performing direct entry ACCESS_NULL # [ 60.898265] lkdtm: attempting bad read at 0000000000000000 # [ 60.904450] BUG: kernel NULL pointer dereference, address: 0000000000000000 # [ 60.918422] #PF: supervisor read access in kernel mode # [ 60.924161] #PF: error_code(0x0000) - not-present page # [ 60.929892] PGD 0 P4D 0 # [ 60.932725] Oops: 0000 [#13] SMP PTI # [ 60.936708] CPU: 0 PID: 1823 Comm: cat Tainted: G D W 5.10.185-cip35 #1 # [ 60.945342] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 60.951968] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53 # [ 60.957221] Code: 7b d7 fb ff be 00 10 00 00 48 89 ef e8 4d 96 0f ff e9 69 ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 a8 9e 5f a6 e8 55 d7 fb ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 d0 9e 5f a6 48 01 # [ 60.978161] RSP: 0018:ffffb584423a7e58 EFLAGS: 00010246 # [ 60.983997] RAX: 000000000000002e RBX: 0000000000000027 RCX: 0000000000000000 # [ 60.991955] RDX: 0000000000000000 RSI: ffffa2edbbc1bf70 RDI: ffffa2edbbc1bf70 # [ 60.999907] RBP: ffffffffa65f8f99 R08: 0000000000000000 R09: 0000000000000000 # [ 61.007864] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c # [ 61.015815] R13: ffffb584423a7f10 R14: ffffb584423a7f10 R15: ffffa2ed46d63000 # [ 61.023767] FS: 00007f197894f580(0000) GS:ffffa2edbbc00000(0000) knlGS:0000000000000000 # [ 61.032784] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 61.039187] CR2: 0000000000000000 CR3: 0000000106cb0000 CR4: 00000000003506f0 # [ 61.047137] Call Trace: # [ 61.049872] ? __die_body.cold+0x1a/0x1f # [ 61.054242] ? no_context+0x177/0x380 # [ 61.058331] ? exc_page_fault+0x53/0x170 # [ 61.062708] ? asm_exc_page_fault+0x1e/0x30 # [ 61.067381] ? lkdtm_ACCESS_NULL+0x14/0x53 # [ 61.071948] ? lkdtm_ACCESS_NULL+0x14/0x53 # [ 61.076515] direct_entry.cold+0x2c/0x38 # [ 61.080893] full_proxy_write+0x56/0x80 # [ 61.085173] vfs_write+0xea/0x3b0 # [ 61.088871] ksys_write+0x68/0xf0 # [ 61.092570] do_syscall_64+0x33/0x40 # [ 61.096556] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 61.102187] RIP: 0033:0x7f1978865473 # [ 61.106162] Code: 8b 15 21 2a 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 # [ 61.127105] RSP: 002b:00007ffd6ac32758 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 61.135555] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f1978865473 # [ 61.143512] RDX: 000000000000000c RSI: 00007f1978759000 RDI: 0000000000000001 # [ 61.151465] RBP: 00007f1978759000 R08: 00007f1978758010 R09: 0000000000000000 # [ 61.159427] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 61.167379] R13: 0000000000000001 R14:[ 64.629398] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW 0000000000020000 R15: 0000000000020000 # [ 61.175345] Module[ 64.636547] lkdtm: attempting good refcount_inc() without overflow [ 64.649664] lkdtm: attempting bad refcount_inc() overflow s linked in: fuse ip_tables cros_ec_sysfs cros_usbpd_charger uvc[ 64.655713] ------------[ cut here ]------------ video cros_ec_lightbar cros_ec_chardev videobuf2_vmalloc videobu[ 64.667054] refcount_t: saturated; leaking memory. f2_memops cros_usbpd_logger cros_ec_debugfs videobuf2_v4l2 gsmi [ 64.678654] WARNING: CPU: 2 PID: 1963 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219[ 64.694222] Modules linked in: fuse ip_tables cros_ec_sysfs cros_usbpd_charger uvcvideo cros_ec_lightbar cros_ec_chardev videobuf2_vmalloc videobuf2_memops cros_usbpd_logger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table [ 64.740059] CPU: 2 PID: 1963 Comm: cat Tainted: G D W 5.10.185-cip35 #1 [ 64.748715] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 64.755348] RIP: 0010:refcount_warn_saturate+0x51/0x110 [ 64.761218] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d fe ef f6 01 00 75 ee 48 c7 c7 10 3f 55 a6 c6 05 ee ef f6 01 01 e8 c6 cb c0 00 <0f> 0b c3 cc cc cc cc 80 3d da ef f6 01 00 75 cb 48 c7 c7 38 3f 55 [ 64.782170] RSP: 0018:ffffb584425bfe48 EFLAGS: 00010286 [ 64.788018] RAX: 0000000000000000 RBX: 000000000000002b RCX: 0000000000000000 [ 64.795992] RDX: ffffa2edbbd2c660 RSI: ffffa2edbbd1bf70 RDI: ffffa2edbbd1bf70 [ 64.803967] RBP: ffffffffa65f8fcd R08: 0000000000000000 R09: 0000000000000000 [ 64.811942] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 [ 64.819917] R13: ffffb584425bff10 R14: ffffb584425bff10 R15: ffffa2ed44735000 [ 64.827890] FS: 00007f29acac6580(0000) GS:ffffa2edbbd00000(0000) knlGS:0000000000000000 [ 64.836931] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 64.843362] CR2: 00007f29ac8d0000 CR3: 000000010480a000 CR4: 00000000003506e0 [ 64.851333] Call Trace: [ 64.854093] ? __warn+0x80/0x110 [ 64.857718] ? refcount_warn_saturate+0x51/0x110 [ 64.862892] ? report_bug+0x9e/0xc0 [ 64.866806] ? handle_bug+0x41/0x90 [ 64.870716] ? exc_invalid_op+0x14/0x70 [ 64.875016] ? asm_exc_invalid_op+0x12/0x20 [ 64.879713] ? refcount_warn_saturate+0x51/0x110 [ 64.884888] ? refcount_warn_saturate+0x51/0x110 [ 64.890063] lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x98 [ 64.895437] direct_entry.cold+0x2c/0x38 [ 64.899838] full_proxy_write+0x56/0x80 [ 64.904142] vfs_write+0xea/0x3b0 [ 64.907860] ksys_write+0x68/0xf0 [ 64.911585] do_syscall_64+0x33/0x40 [ 64.915594] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 64.921252] RIP: 0033:0x7f29ac9dc473 [ 64.925258] Code: 8b 15 21 2a 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 [ 64.946216] RSP: 002b:00007ffc0bde0e18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 64.954680] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f29ac9dc473 [ 64.962661] RDX: 0000000000000016 RSI: 00007f29ac8d0000 RDI: 0000000000000001 snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_co[ 64.970631] RBP: 00007f29ac8d0000 R08: 00007f29ac8cf010 R09: 0000000000000000 [ 64.984778] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 mpress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_tab[ 64.992752] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 65.006927] irq event stamp: 0 [ 65.010364] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 65.017379] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 [ 65.026523] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 [ 65.035712] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 65.042747] ---[ end trace f26eca5477602e4a ]--- [ 65.047918] lkdtm: Overflow detected: saturated le # [ 61.215067] CR2: 0000000000000000 # [ 61.218763] ---[ end trace f26eca5477602e46 ]--- # [ 61.223922] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 61.228302] Code: 89 ff e8 2e e2 79 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 10 51 e9 02 # [ 61.249260] RSP: 0018:ffffb5844122fe60 EFLAGS: 00010282 # [ 61.255094] RAX: ffffffffa5179a80 RBX: 0000000000000001 RCX: 0000000000000000 # [ 61.263055] RDX: 0000000000000000 RSI: ffffa2edbbd1bf70 RDI: ffffffffa617e8d0 # [ 61.271019] RBP: ffffffffa665d470 R08: 0000000000000001 R09: 0000000000000001 # [ 61.278991] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 61.286957] R13: ffffb5844122ff10 R14: ffffb5844122ff10 R15: ffffa2ed45b7e000 # [ 61.294924] FS: 00007f197894f580(0000) GS:ffffa2edbbc00000(0000) knlGS:0000000000000000 # [ 61.303956] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 61.310372] CR2: 0000000000000000 CR3: 0000000106cb0000 CR4: 00000000003506f0 # [ 61.318332] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 61.328236] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1823, name: cat # [ 61.336685] INFO: lockdep is turned off. # [ 61.341064] irq event stamp: 0 # [ 61.344473] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 61.351474] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 61.360596] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 61.369730] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 61.376724] CPU: 0 PID: 1823 Comm: cat Tainted: G D W 5.10.185-cip35 #1 # [ 61.385361] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 61.391969] Call Trace: # [ 61.394705] dump_stack+0x77/0x9b # [ 61.398409] ___might_sleep.cold+0xa6/0xb6 # [ 61.402987] exit_signals+0x1c/0x300 # [ 61.406979] do_exit+0xc2/0xab0 # [ 61.410490] ? ksys_write+0x68/0xf0 # [ 61.414385] make_task_dead+0x2f/0x30 # [ 61.418472] rewind_stack_and_make_dead+0x17/0x20 # [ 61.423715] RIP: 0033:0x7f1978865473 # [ 61.427699] Code: 8b 15 21 2a 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 # [ 61.448630] RSP: 002b:00007ffd6ac32758 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 61.457083] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f1978865473 # [ 61.465047] RDX: 000000000000000c RSI: 00007f1978759000 RDI: 0000000000000001 # [ 61.473006] RBP: 00007f1978759000 R08: 00007f1978758010 R09: 0000000000000000 # [ 61.480965] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 61.488919] 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 # [ 61.829560] lkdtm: Performing direct entry WRITE_RO # [ 61.837531] lkdtm: attempting bad rodata write at ffffffffa617ed50 # [ 61.850666] BUG: unable [ 65.367178] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW [ 65.375913] lkdtm: attempting good refcount_add() without overflow [ 65.382828] lkdtm: attempting bad refcount_add() overflow [ 65.388872] ------------[ cut here ]------------ to handle page fault for address: ffffffffa617ed50 # [ 61.864[ 65.394031] refcount_t: saturated; leaking memory. 509] #PF: supervisor write access in kernel mode # [ 61.87034[ 65.405643] WARNING: CPU: 0 PID: 1995 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 3] #PF: error_code(0x0003) - permissions violation # [ 61.876[ 65.421258] Modules linked in: fuse ip_tables cros_ec_sysfs cros_usbpd_charger uvcvideo cros_ec_lightbar cros_ec_chardev videobuf2_vmalloc videobuf2_memops cros_usbpd_logger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table 570] PGD 1be29067 P4D 1be29067 PUD 1be2a063 PMD 800000001b6001e1[ 65.467236] CPU: 0 PID: 1995 Comm: cat Tainted: G D W 5.10.185-cip35 #1 [ 65.482118] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 65.488748] RIP: 0010:refcount_warn_saturate+0x51/0x110 [ 65.494588] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d fe ef f6 01 00 75 ee 48 c7 c7 10 3f 55 a6 c6 05 ee ef f6 01 01 e8 c6 cb c0 00 <0f> 0b c3 cc cc cc cc 80 3d da ef f6 01 00 75 cb 48 c7 c7 38 3f 55 [ 65.515540] RSP: 0018:ffffb5844263fe48 EFLAGS: 00010286 [ 65.521387] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000 [ 65.529364] RDX: ffffa2edbbc2c660 RSI: ffffa2edbbc1bf70 RDI: ffffa2edbbc1bf70 [ 65.537341] RBP: ffffffffa65f8fe3 R08: 0000000000000000 R09: 0000000000000000 [ 65.545309] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 [ 65.553282] R13: ffffb5844263ff10 R14: ffffb5844263ff10 R15: ffffa2ed43c8e000 [ 65.561255] FS: 00007f7743472580(0000) GS:ffffa2edbbc00000(0000) knlGS:0000000000000000 [ 65.570291] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 65.576711] CR2: 00007f774327c000 CR3: 0000000104706000 CR4: 00000000003506f0 # [ 61.884071] Oops: 0003 [#14] SMP PTI # [ 61.888066] C[ 65.584679] Call Trace: PU: 3 PID: 1858 Comm: cat Tainted: G D W 5.10.185-c[ 65.593622] ? __warn+0x80/0x110 [ 65.603435] ? refcount_warn_saturate+0x51/0x110 [ 65.608605] ? report_bug+0x9e/0xc0 [ 65.612518] ? handle_bug+0x41/0x90 [ 65.616424] ? exc_invalid_op+0x14/0x70 [ 65.620712] ? asm_exc_invalid_op+0x12/0x20 [ 65.625403] ? refcount_warn_saturate+0x51/0x110 [ 65.630575] ? refcount_warn_saturate+0x51/0x110 [ 65.635746] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa7 [ 65.641108] direct_entry.cold+0x2c/0x38 [ 65.645509] full_proxy_write+0x56/0x80 [ 65.649811] vfs_write+0xea/0x3b0 ip35 #1 # [ 61.896709] Hardware name: Google Coral/Coral, BIO[ 65.653537] ksys_write+0x68/0xf0 [ 65.663425] do_syscall_64+0x33/0x40 [ 65.667441] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 65.673097] RIP: 0033:0x7f7743388473 [ 65.677104] Code: 8b 15 21 2a 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 [ 65.698050] RSP: 002b:00007ffc4123e838 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 65.706501] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f7743388473 [ 65.714471] RDX: 0000000000000016 RSI: 00007f774327c000 RDI: 0000000000000001 [ 65.722445] RBP: 00007f774327c000 R08: 00007f774327b010 R09: 0000000000000000 [ 65.730416] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 65.738387] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 65.746373] irq event stamp: 0 [ 65.749794] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 65.756803] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 [ 65.765940] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 [ 65.775077] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 65.782080] ---[ end trace f26eca5477602e4b ]--- [ 65.787242] lkdtm: Overflow detected: saturated S 09/29/2020 # [ 61.903325] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a # [ 61.908288] Code: 00 48 c7 c7 88 9d 5f a6 48 c7 c6 50 ed 17 a6 e8 ff d9 fb ff 48 8b 05 b7 36 97 00 ba 34 12 cd ab 48 c7 c7 b8 9d 5f a6 48 31 d0 <48> 89 05 a1 36 97 00 e9 dd d9 fb ff 0f 1f 44 00 00 48 8b 05 70 2c # [ 61.929265] RSP: 0018:ffffb5844242fe60 EFLAGS: 00010202 # [ 61.935101] RAX: 000000000198b861 RBX: 0000000000000028 RCX: 0000000000000000 # [ 61.943061] RDX: 00000000abcd1234 RSI: ffffa2edbbd9bf70 RDI: ffffffffa65f9db8 # [ 61.951024] RBP: ffffffffa65f8fa5 R08: 0000000000000000 R09: 0000000000000000 # [ 61.958988] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000009 # [ 61.966949] R13: ffffb5844242ff10 R14: ffffb5844242ff10 R15: ffffa2ed4404d000 # [ 61.974912] FS: 00007fac9e57c580(0000) GS:ffffa2edbbd80000(0000) knlGS:0000000000000000 # [ 61.983939] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 61.990343] CR2: ffffffffa617ed50 CR3: 0000000102a6a000 CR4: 00000000003506e0 # [ 61.998312] Call Trace: # [ 62.001052] ? __die_body.cold+0x1a/0x1f # [ 62.005440] ? no_context+0x177/0x380 # [ 62.009538] ? exc_page_fault+0xd7/0x170 # [ 62.013917] ? asm_exc_page_fault+0x1e/0x30 # [ 62.018589] ? lkdtm_WRITE_RO+0x2e/0x3a # [ 62.022869] direct_entry.cold+0x2c/0x38 # [ 62.027246] full_proxy_write+0x56/0x80 # [ 62.031527] vfs_write+0xea/0x3b0 # [ 62.035228] ksys_write+0x68/0xf0 # [ 62.038932] do_syscall_64+0x33/0x40 # [ 62.042919] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 62.048552] RIP: 0033:0x7fac9e492473 # [ 62.052545] Code: 8b 15 21 2a 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 # [ 62.073498] RSP: 002b:00007ffcba6ca108 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 62.081948] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007fac9e492473 # [ 62.089911] RDX: 0000000000000009 RSI: 00007fac9e386000 RDI: 0000000000000001 # [ 62.097872] RBP: 00007fac9e386000 R08: 00007fac9e385010 R09: 0000000000000000 # [ 62.105831] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 62.113801] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 62.121774] Modules linked in: fuse ip_tables cros_ec_sysfs cros_usbpd_charger uvcvideo cros_ec_lightbar cros_ec_chardev videobuf2_vmalloc videobuf2_memops cros_usbpd_logger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 62.161530] CR2: ffffffffa617ed50 # [ 62.165232] ---[ end trace f26eca5477602e47 ]--- # [ 62.170394] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 62.174769] Code: 89 ff e8 2e e2 79 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 10 51 e9 02 # [ 62.195736] RSP: 0018:ffffb5844122fe60 EFLAGS: 00010282 # [ 62.201571] RAX: ffffffffa5179a80 RBX: 0000000000000001 RCX: 0000000000000000 # [ 62.209538] RDX: 0000000000000000 RSI: ffffa2edbbd1bf70 RDI: ffffffffa617e8d0 # [ 62.217504] RBP: ffffffffa665d470 R08: 0000000000000001 R09: [ 66.117493] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW 0000000000000001 # [ 62.225465] R10: 00000000ffffe000 R11: 3f[ 66.128502] lkdtm: attempting bad refcount_inc_not_zero() overflow [ 66.141624] ------------[ cut here ]------------ ffffffffffffff R12: 0000000000000004 # [ 62.233433] R13: ffff[ 66.146797] refcount_t: saturated; leaking memory. b5844122ff10 R14: ffffb5844122ff10 R15: ffffa2ed45b7e000 # [ [ 66.158404] WARNING: CPU: 0 PID: 2027 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 62.241404] FS: 00007fac9e57c580(0000) GS:ffffa2edbbd80000(0000)[ 66.173948] Modules linked in: fuse ip_tables cros_ec_sysfs cros_usbpd_charger uvcvideo cros_ec_lightbar cros_ec_chardev videobuf2_vmalloc videobuf2_memops cros_usbpd_logger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table [ 66.219871] CPU: 0 PID: 2027 Comm: cat Tainted: G D W 5.10.185-cip35 #1 [ 66.228527] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 66.235167] RIP: 0010:refcount_warn_saturate+0x97/0x110 [ 66.241018] Code: 01 01 e8 a3 cb c0 00 0f 0b c3 cc cc cc cc 80 3d b9 ef f6 01 00 75 a8 48 c7 c7 10 3f 55 a6 c6 05 a9 ef f6 01 01 e8 80 cb c0 00 <0f> 0b c3 cc cc cc cc 80 3d 93 ef f6 01 00 75 85 48 c7 c7 68 3f 55 [ 66.261979] RSP: 0018:ffffb584426cfe38 EFLAGS: 00010282 [ 66.267831] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 [ 66.275808] RDX: ffffa2edbbc2c660 RSI: ffffa2edbbc1bf70 RDI: ffffa2edbbc1bf70 [ 66.283791] RBP: ffffffffa65f8c20 R08: 0000000000000000 R09: 0000000000000000 [ 66.291771] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f [ 66.299746] R13: ffffb584426cff10 R14: ffffb584426cff10 R15: ffffa2ed460b5000 [ 66.307720] FS: 00007f70d2caf580(0000) GS:ffffa2edbbc00000(0000) knlGS:0000000000000000 [ 66.316751] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 66.323172] CR2: 00007f70d2ab9000 CR3: 0000000106288000 CR4: 00000000003506f0 [ 66.331150] Call Trace: [ 66.333910] ? __warn+0x80/0x110 [ 66.337534] ? refcount_warn_saturate+0x97/0x110 [ 66.342699] ? report_bug+0x9e/0xc0 [ 66.346620] ? handle_bug+0x41/0x90 [ 66.350529] ? exc_invalid_op+0x14/0x70 [ 66.354832] ? asm_exc_invalid_op+0x12/0x20 [ 66.359527] ? refcount_warn_saturate+0x97/0x110 [ 66.364706] ? refcount_warn_saturate+0x97/0x110 [ 66.369879] __refcount_add_not_zero.constprop.0+0x2a/0x35 [ 66.376018] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x76 [ 66.382253] direct_entry.cold+0x2c/0x38 [ 66.386655] full_proxy_write+0x56/0x80 [ 66.390956] vfs_write+0xea/0x3b0 [ 66.394674] ksys_write+0x68/0xf0 [ 66.398397] do_syscall_64+0x33/0x40 [ 66.402408] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 66.408063] RIP: 0033:0x7f70d2bc5473 [ 66.412076] Code: 8b 15 21 2a 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 [ 66.433034] RSP: 002b:00007ffffcd79668 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 knlGS:0000000000000000 # [ 62.250435] CS: 0010 DS: 0000 ES:[ 66.441492] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f70d2bc5473 [ 66.455663] RDX: 000000000000001f RSI: 00007f70d2ab9000 RDI: 0000000000000001 [ 66.463635] RBP: 00007f70d2ab9000 R08: 00007f70d2ab8010 R09: 0000000000000000 [ 66.471615] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 66.479604] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 66.487581] irq event stamp: 0 [ 66.491009] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 66.498023] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 [ 66.507214] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 [ 66.516396] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 66.523406] ---[ end trace f26eca5477602e4c ]--- [ 66.528570] lkdtm: Overflow detected: saturated 0000 CR0: 0000000080050033 # [ 62.256848] CR2: ffffffffa617ed50 CR3: 0000000102a6a000 CR4: 00000000003506e0 # WRITE_RO: saw 'call trace:': ok ok 39 selftests: lkdtm: WRITE_RO.sh # selftests: lkdtm: WRITE_RO_AFTER_INIT.sh # Killed # [ 62.631427] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT # [ 62.643765] lkdtm: attempting bad ro_after_init write at ffffffffa667e330 # [ 62.651404] BUG: unable to handle page fault for address: ffffffffa667e330 # [ 62.659087] #PF: supervisor write access in kernel mode # [ 62.664914] #PF: error_code(0x0003) - permissions violation # [ 62.671136] PGD 1be29067 P4D 1be29067 PUD 1be2a063 PMD 1003d5163 PTE 800000001bc7e061 # [ 62.686103] Oops: 0003 [#15] SMP PTI # [ 62.690096] CPU: 0 PID: 1893 Comm: cat Tainted: G D W 5.10.185-cip35 #1 # [ 62.704910] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 62.711530] RIP: 0010:lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a # [ 62.717559] Code: 9d 5f a6 e9 b1 d9 fb ff 48 c7 c7 10 9e 5f a6 e8 a5 d9 fb ff 48 8b 05 3d 2c e7 00 ba 34 12 cd ab 48 c7 c7 b8 9d 5f a6 48 31 d0 <48> 89 05 27 2c e7 00 e9 83 d9 fb ff 0f 1f 44 00 00 41 54 48 c7 c7 # [ 62.738531] RSP: 0018:ffffb5844249fe60 EFLAGS: 00010202 # [ 62.744368] RAX: 00000000fe67479e RBX: 0000000000000029 RCX: 0000000000000000 # [ 62.752336] RDX: 00000000abcd1234 RSI: ffffa2edbbc1bf70 RDI: ffffffffa65f9db8 # [ 62.760301] RBP: ffffffffa65f8fae R08: 0000000000000000 R09: 0000000000000000 # [ 62.768264] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000014 # [ 62.776232] R13: ffffb5844249ff10 R14: ffffb5844249ff10 R15: ffffa2ed449d7000 # [ 62.784204] FS: 00007ff55dadc580(0000) GS:ffffa2edbbc00000(0000) knlGS:0000000000000000 # [ 62.793243] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 62.799663] CR2: ffffffffa667e330 CR3: 00000001063ae000 CR4: 00000000003506f0 # [ 62.807624] Call Trace: # [ 62.810366] ? __die_body.cold+0x1a/0x1f # [ 62.814752] ? no_context+0x177/0x380 # [ 62.818842] ? exc_page_fault+0xd7/0x170 # [ 62.823225] ? asm_exc_page_fault+0x1e/0x30 # [ 62.827904] ? lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a # [ 62.833253] direct_entry.cold+0x2c/0x38 # [ 62.837639] full_proxy_write+0x56/0x80 # [ 62.841927] vfs_write+0xea/0x3b0 # [ 62.845632] ksys_write+0x68/0xf0 # [ 62.849341] do_syscall_64+0x33/0x40 # [ 62.853338] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 62.858985] RIP: 0033:0x7ff55d9f2473 # [ 62.862982] Code: 8b 15 21 2a 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 # [ 62.883944] RSP: 002b:00007ffd49f1d0f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 62.892394] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007ff55d9f2473 # [ 62.900364] RDX: 0000000000000014 RSI: 00007ff55d8e6000 RDI: 0000000000000001 # [ 62.908335] RBP: 00007ff55d8e6000 R08: 00007ff55d8e5010 R09: 0000000000000000 # [ 62.916300] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 62.924260] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 62.932226] Modules linked in: fuse ip_tables cros_ec_sysfs cros_usbpd_charger uvcvideo cros_ec_lightbar cros_ec_chardev videobuf2_vmalloc videobuf2_memops cros_u[ 66.861063] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW [ 66.869966] lkdtm: attempting bad refcount_add_not_zero() overflow [ 66.876905] ------------[ cut here ]------------ [ 66.882075] refcount_t: saturated; leaking memory. sbpd_logger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_the[ 66.887487] WARNING: CPU: 0 PID: 2059 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 rmal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max9835[ 66.903100] Modules linked in: fuse ip_tables cros_ec_sysfs cros_usbpd_charger uvcvideo cros_ec_lightbar cros_ec_chardev videobuf2_vmalloc videobuf2_memops cros_usbpd_logger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table 7a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_d[ 66.948964] CPU: 0 PID: 2059 Comm: cat Tainted: G D W 5.10.185-cip35 #1 [ 66.963826] Hardware name: Google Coral/Coral, BIOS 09/29/2020 maengine regmap_i2c chromeos_pstore coreboot_table # [ 62.978[ 66.970454] RIP: 0010:refcount_warn_saturate+0x97/0x110 162] CR2: ffffffffa667e330 # [ 62.981858] ---[ end trace f26e[ 66.982492] Code: 01 01 e8 a3 cb c0 00 0f 0b c3 cc cc cc cc 80 3d b9 ef f6 01 00 75 a8 48 c7 c7 10 3f 55 a6 c6 05 a9 ef f6 01 01 e8 80 cb c0 00 <0f> 0b c3 cc cc cc cc 80 3d 93 ef f6 01 00 75 85 48 c7 c7 68 3f 55 ca5477602e48 ]--- # [ 62.987011] RIP: 0010:lkdtm_BUG+0x5/0x10[ 67.009620] RSP: 0018:ffffb5844274fe38 EFLAGS: 00010282 # [ 62.991385] Code: 89 ff e8 2e e2 79 ff 48 c7 c0 ea ff ff [ 67.021649] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff f[ 67.035800] RDX: ffffa2edbbc2c660 RSI: ffffa2edbbc1bf70 RDI: ffffa2edbbc1bf70 f eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f [ 67.049954] RBP: ffffffffa65f8c40 R08: 0000000000000000 R09: 0000000000000000 44 00 00 83 05 10 51 e9 02 # [ 63.012327] RSP: 0018:ffffb5844[ 67.064106] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f 122fe60 EFLAGS: 00010282 # [ 63.018151] RAX: ffffffffa5179a80[ 67.078267] R13: ffffb5844274ff10 R14: ffffb5844274ff10 R15: ffffa2ed43cf6000 RBX: 0000000000000001 RCX: 0000000000000000 # [ 63.026109] R[ 67.092424] FS: 00007f4deac55580(0000) GS:ffffa2edbbc00000(0000) knlGS:0000000000000000 DX: 0000000000000000 RSI: ffffa2edbbd1bf70 RDI: ffffffffa617e8d0[ 67.107643] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 63.034072] RBP: ffffffffa665d470 R08: 0000000000000001 R[ 67.120265] CR2: 00007f4deaa5f000 CR3: 0000000103b96000 CR4: 00000000003506f0 09: 0000000000000001 # [ 63.042027] R10: 00000000ffffe000 R11[ 67.134426] Call Trace: : 3fffffffffffffff R12: 0000000000000004 # [ 63.049994] R13: [ 67.143375] ? __warn+0x80/0x110 ffffb5844122ff10 R14: ffffb5844122ff10 R15: ffffa2ed45b7e000 # [ 67.153174] ? refcount_warn_saturate+0x97/0x110 [ 63.057957] FS: 00007ff55dadc580(0000) GS:ffffa2edbbc00000(0[ 67.164544] ? report_bug+0x9e/0xc0 000) knlGS:0000000000000000 # [ 63.066980] CS: 0010 DS: 0000[ 67.174619] ? handle_bug+0x41/0x90 ES: 0000 CR0: 0000000080050033 # [ 63.073396] CR2: ffffffffa[ 67.184718] ? exc_invalid_op+0x14/0x70 667e330 CR3: 00000001063ae000 CR4: 00000000003506f0 # [ 63.08[ 67.195204] ? asm_exc_invalid_op+0x12/0x20 1369] BUG: sleeping function called from invalid context at incl[ 67.206084] ? refcount_warn_saturate+0x97/0x110 ude/linux/percpu-rwsem.h:49 # [ 63.091280] in_atomic(): 0, ir[ 67.217438] ? refcount_warn_saturate+0x97/0x110 qs_disabled(): 1, non_block: 0, pid: 1893, name: cat # [ 63.0[ 67.228800] __refcount_add_not_zero.constprop.0+0x2a/0x35 99728] INFO: lockdep is turned off. # [ 63.104105] irq event [ 67.241126] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x76 stamp: 0 # [ 63.107513] hardirqs last enabled at (0): [<0000[ 67.253570] direct_entry.cold+0x2c/0x38 000000000000>] 0x0 # [ 63.114511] hardirqs last disabled at ([ 67.264150] full_proxy_write+0x56/0x80 0): [] copy_process+0x664/0x1c60 # [ 63.123[ 67.274633] vfs_write+0xea/0x3b0 636] softirqs last enabled at (0): [] copy_pr[ 67.284542] ksys_write+0x68/0xf0 ocess+0x664/0x1c60 # [ 63.132767] softirqs last disabled at ([ 67.294470] do_syscall_64+0x33/0x40 0): [<0000000000000000>] 0x0 # [ 63.139768] CPU: 0 PID: 1893 [ 67.304649] entry_SYSCALL_64_after_hwframe+0x61/0xc6 Comm: cat Tainted: G D W 5.10.185-cip35 #1 # [ 6[ 67.316477] RIP: 0033:0x7f4deab6b473 3.148416] Hardware name: Google Coral/Coral, BIOS 09/29/2020 #[ 67.326659] Code: 8b 15 21 2a 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 [ 63.155026] Call Trace: # [ 63.157762] dump_stack+0x77/0[ 67.353782] RSP: 002b:00007ffc2b43cee8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 x9b # [ 63.161463] ___might_sleep.cold+0xa6/0xb6 # [ 63.1[ 67.368431] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f4deab6b473 66042] exit_signals+0x1c/0x300 # [ 63.176221] do_exit+0xc2/[ 67.382599] RDX: 000000000000001f RSI: 00007f4deaa5f000 RDI: 0000000000000001 0xab0 # [ 63.179730] ? ksys_write+0x68/0xf0 # [ 63.183620[ 67.396749] RBP: 00007f4deaa5f000 R08: 00007f4deaa5e010 R09: 0000000000000000 ] make_task_dead+0x2f/0x30 # [ 63.187702] rewind_stack_and_[ 67.410909] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 make_dead+0x17/0x20 # [ 63.192958] RIP: 0033:0x7ff55d9f2473 [ 67.425056] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 63.196952] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0[ 67.439229] irq event stamp: 0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 [ 67.448824] hardirqs last enabled at (0): [<0000000000000000>] 0x0 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48[ 67.462018] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 83 ec 28 48 89 54 24 18 # [ 63.217926] RSP: 002b:00007ffd49f[ 67.477343] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 1d0f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 63.2263[ 67.492662] softirqs last disabled at (0): [<0000000000000000>] 0x0 85] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007ff55d9[ 67.505851] ---[ end trace f26eca5477602e4d ]--- f2473 # [ 63.234358] RDX: 0000000000000014 RSI: 00007ff55d8e6[ 67.517199] lkdtm: Overflow detected: saturated 000 RDI: 0000000000000001 # [ 63.242312] RBP: 00007ff55d8e6000 R08: 00007ff55d8e5010 R09: 0000000000000000 # [ 63.250271] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 63.258231] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # WRITE_RO_AFTER_INIT: saw 'call trace:': ok ok 40 selftests: lkdtm: WRITE_RO_AFTER_INIT.sh # selftests: lkdtm: WRITE_KERN.sh # Killed # [ 63.612046] lkdtm: Performing direct entry WRITE_KERN # [ 63.619551] lkdtm: attempting bad 6887363 byte write at ffffffffa580b613 # [ 63.633294] BUG: unable to handle page fault for address: ffffffffa580b613 # [ 63.640976] #PF: supervisor write access in kernel mode # [ 63.646809] #PF: error_code(0x0003) - permissions violation # [ 63.659227] PGD 1be29067 P4D 1be29067 PUD 1be2a063 PMD 1ae001e1 # [ 63.672140] Oops: 0003 [#16] SMP PTI # [ 63.676129] CPU: 0 PID: 1928 Comm: cat Tainted: G D W 5.10.185-cip35 #1 # [ 63.690951] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 63.697562] RIP: 0010:lkdtm_WRITE_KERN+0x38/0x4e # [ 63.702710] Code: 53 48 c7 c3 13 b6 80 a5 49 89 dc 48 89 da 49 81 ec 50 9e 17 a5 4c 89 e6 e8 58 d9 fb ff 48 89 df 4c 89 e1 48 c7 c6 50 9e 17 a5 a4 48 c7 c7 b8 9d 5f a6 e8 3d d9 fb ff 5b 41 5c e9 b7 fe ff ff # [ 63.723634] RSP: 0018:ffffb5844253fe50 EFLAGS: 00010246 # [ 63.729461] RAX: 000000000000003c RBX: ffffffffa580b613 RCX: 00000000006917c3 # [ 63.737417] RDX: 0000000000000000 RSI: ffffffffa5179e50 RDI: ffffffffa580b613 # [ 63.745372] RBP: ffffffffa65f8fc2 R08: 0000000000000000 R09: 0000000000000000 # [ 63.753325] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 00000000006917c3 # [ 63.761276] R13: ffffb5844253ff10 R14: ffffb5844253ff10 R15: ffffa2ed42982000 # [ 63.769230] FS: 00007f8d78cdc580(0000) GS:ffffa2edbbc00000(0000) knlGS:0000000000000000 # [ 63.778259] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 63.784671] CR2: ffffffffa580b613 CR3: 000000010267a000 CR4: 00000000003506f0 # [ 63.792628] Call Trace: # [ 63.795364] ? __die_body.cold+0x1a/0x1f # [ 63.799733] ? no_context+0x177/0x380 # [ 63.803821] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 # [ 63.809263] ? exc_page_fault+0xd7/0x170 # [ 63.813640] ? asm_exc_page_fault+0x1e/0x30 # [ 63.818304] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 # [ 63.823758] ? lkdtm_SLAB_FREE_PAGE+0x40/0x40 # [ 63.828622] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 # [ 63.834066] ? lkdtm_WRITE_KERN+0x38/0x4e # [ 63.838537] direct_entry.cold+0x2c/0x38 # [ 63.842912] full_proxy_write+0x56/0x80 # [ 63.847197] vfs_write+0xea/0x3b0 # [ 63.850895] ksys_write+0x68/0xf0 # [ 63.854593] do_syscall_64+0x33/0x40 # [ 63.858581] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 63.864204] RIP: 0033:0x7f8d78bf2473 # [ 63.868189] Code: 8b 15 21 2a 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 # [ 63.889124] RSP: 002b:00007ffde77294d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 63.897577] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f8d78bf2473 # [ 63.905536] RDX: 000000000000000b RSI: 00007f8d78ae6000 RDI: 0000000000000001 # [ 63.913494] RBP: 00007f8d78ae6000 R08: 00007f8d78ae5010 R09: 0000000000000000 # [ 63.921452] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 63.929405] R13: 0[ 67.863459] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO [ 67.875850] lkdtm: attempting good refcount_dec() [ 67.881132] lkdtm: attempting bad refcount_dec() to zero 000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [[ 67.887072] ------------[ cut here ]------------ 63.937371] Modules linked in: fuse ip_tables cros_ec_sysfs cr[ 67.898430] refcount_t: decrement hit 0; leaking memory. os_usbpd_charger uvcvideo cros_ec_lightbar cros_ec_chardev video[ 67.910632] WARNING: CPU: 1 PID: 2091 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 buf2_vmalloc videobuf2_memops cros_usbpd_logger cros_ec_debugfs [ 67.926267] Modules linked in: fuse ip_tables cros_ec_sysfs cros_usbpd_charger uvcvideo cros_ec_lightbar cros_ec_chardev videobuf2_vmalloc videobuf2_memops cros_usbpd_logger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_c[ 67.972234] CPU: 1 PID: 2091 Comm: cat Tainted: G D W 5.10.185-cip35 #1 ommon snd_soc_da7219 snd_soc_max98357a snd_soc_core cros_usbpd_n[ 67.987097] Hardware name: Google Coral/Coral, BIOS 09/29/2020 otify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos[ 67.999919] RIP: 0010:refcount_warn_saturate+0xfb/0x110 _pstore coreboot_table # [ 63.977075] CR2: ffffffffa580b613 [ 68.011958] Code: c0 3f 55 a6 c6 05 5a ef f6 01 01 e8 36 cb c0 00 0f 0b c3 cc cc cc cc 48 c7 c7 90 3f 55 a6 c6 05 41 ef f6 01 01 e8 1c cb c0 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 63.986965] ---[ end trace f26eca5477602e49 ]--- # [ 63.[ 68.039123] RSP: 0018:ffffb584427c7e48 EFLAGS: 00010286 992117] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 63.996493] Code: 89 [ 68.051158] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000 ff e8 2e e2 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff f[ 68.065323] RDX: ffffa2edbbcac660 RSI: ffffa2edbbc9bf70 RDI: ffffa2edbbc9bf70 f c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> [ 68.079491] RBP: ffffffffa65f8ff9 R08: 0000000000000000 R09: 0000000000000000 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 10 51 e9 02 [ 68.093651] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 64.017426] RSP: 0018:ffffb5844122fe60 EFLAGS: 00010282 # [ 68.107824] R13: ffffb584427c7f10 R14: ffffb584427c7f10 R15: ffffa2ed42a79000 [ 64.023251] RAX: ffffffffa5179a80 RBX: 0000000000000001 RCX: [ 68.122008] FS: 00007f85d0c8f580(0000) GS:ffffa2edbbc80000(0000) knlGS:0000000000000000 0000000000000000 [ 68.137249] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 64.031204] RDX: 0000000000000000 RSI: ffffa2edbbd1bf70 RDI[ 68.145424] CR2: 00007f85d0a99000 CR3: 0000000103bae000 CR4: 00000000003506e0 : ffffffffa617e8d0[ 68.159611] Call Trace: [ 68.164099] ? __warn+0x80/0x110 # [ 64.039157] RBP: ffffffffa665d470 R08: 0000000000000001 R09[ 68.167913] ? refcount_warn_saturate+0xfb/0x110 : 0000000000000001 # [ 64.047118] R10: 00000000ffffe000 R11: [ 68.179295] ? report_bug+0x9e/0xc0 3fffffffffffffff R12: 0000000000000004 # [ 64.055077] R13: ff[ 68.189408] ? handle_bug+0x41/0x90 [ 68.199517] ? exc_invalid_op+0x14/0x70 [ 68.203821] ? asm_exc_invalid_op+0x12/0x20 [ 68.208514] ? refcount_warn_saturate+0xfb/0x110 ffb5844122ff10 R14: ffffb5844122ff10 R15: ffffa2ed45b7e000 # [ [ 68.213686] ? refcount_warn_saturate+0xfb/0x110 [ 68.225032] lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xbd [ 68.230011] direct_entry.cold+0x2c/0x38 64.063036] FS: 00007f8d78cdc580(0000) GS:ffffa2edbbc00000(000[ 68.234408] full_proxy_write+0x56/0x80 [ 68.244902] vfs_write+0xea/0x3b0 [ 68.248619] ksys_write+0x68/0xf0 [ 68.252341] do_syscall_64+0x33/0x40 [ 68.256362] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 68.262012] RIP: 0033:0x7f85d0ba5473 [ 68.266021] Code: 8b 15 21 2a 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 [ 68.286993] RSP: 002b:00007ffd613465c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 68.295460] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f85d0ba5473 0) knlGS:0000000000000000 # [ 64.072056] CS: 0010 DS: 0000 E[ 68.303442] RDX: 0000000000000012 RSI: 00007f85d0a99000 RDI: 0000000000000001 [ 68.317622] RBP: 00007f85d0a99000 R08: 00007f85d0a98010 R09: 0000000000000000 [ 68.325609] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 68.333597] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 68.341592] irq event stamp: 0 [ 68.345018] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 68.352035] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 [ 68.361187] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 [ 68.370326] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 68.377338] ---[ end trace f26eca5477602e4e ]--- [ 68.382503] lkdtm: Zero detected: saturated S: 0000 CR0: 0000000080050033 # [ 64.078460] CR2: ffffffffa580b613 CR3: 000000010267a000 CR4: 00000000003506f0 # [ 64.086415] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 64.096304] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1928, name: cat # [ 64.104738] INFO: lockdep is turned off. # [ 64.109108] irq event stamp: 0 # [ 64.112508] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 64.119497] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 64.128615] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 64.137729] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 64.144718] CPU: 0 PID: 1928 Comm: cat Tainted: G D W 5.10.185-cip35 #1 # [ 64.153347] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 64.159942] Call Trace: # [ 64.162671] dump_stack+0x77/0x9b # [ 64.166367] ___might_sleep.cold+0xa6/0xb6 # [ 64.170935] exit_signals+0x1c/0x300 # [ 64.174922] do_exit+0xc2/0xab0 # [ 64.178425] ? ksys_write+0x68/0xf0 # [ 64.182316] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 # [ 64.187752] make_task_dead+0x2f/0x30 # [ 64.191834] rewind_stack_and_make_dead+0x17/0x20 # [ 64.197079] RIP: 0033:0x7f8d78bf2473 # [ 64.201064] Code: 8b 15 21 2a 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 # [ 64.221989] RSP: 002b:00007ffde77294d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 64.230427] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f8d78bf2473 # [ 64.238383] RDX: 000000000000000b RSI: 00007f8d78ae6000 RDI: 0000000000000001 # [ 64.246335] RBP: 00007f8d78ae6000 R08: 00007f8d78ae5010 R09: 0000000000000000 # [ 64.254284] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 64.262236] 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 # [ 64.629398] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW # [ 64.636547] lkdtm: attempting good refcount_inc() without overflow # [ 64.649664] lkdtm: attempting bad refcount_inc() overflow # [ 64.655713] ------------[ cut here ]------------ # [ 64.667054] refcount_t: saturated; leaking memory. # [ 64.678654] WARNING: CPU: 2 PID: 1963 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 64.694222] Modules linked in: fuse ip_tables cros_ec_sysfs cros_usbpd_charger uvcvideo cros_ec_lightbar cros_ec_chardev videobuf2_vmalloc videobuf2_memops cros_usbpd_logger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 64.740059] CPU: 2 PID: 1963 Comm: cat Tainted: G D W 5.10.185-cip35 #1 # [ 64.748715] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 64.755348] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 64.761218] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d fe ef f6 01 00 75 ee 48 c7 c7 10 3f 55 a6 c6 05 ee ef f6 01 01 e8 c6 cb c0 00 <0f> 0b c3 cc cc cc cc 80 3d da ef f6 01 00 75 cb 48 c7 c7 38 3f 55 # [ 64.782170] RSP: 0018:ffffb584425bfe48 EFLAGS: 00010286 # [ 64.788018] RAX: 0000000000000000 RBX: 000000000000002b RCX: [ 68.732843] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE [ 68.741447] lkdtm: attempting bad refcount_dec() below zero [ 68.747702] ------------[ cut here ]------------ [ 68.752874] refcount_t: decrement hit 0; leaking memory. [ 68.758878] WARNING: CPU: 2 PID: 2126 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 0000000000000000 # [ 64.795992] RDX: ffffa2edbbd2c660 RSI: ff[ 68.768325] Modules linked in: fuse ip_tables cros_ec_sysfs cros_usbpd_charger uvcvideo cros_ec_lightbar cros_ec_chardev videobuf2_vmalloc videobuf2_memops cros_usbpd_logger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table [ 68.814229] CPU: 2 PID: 2126 Comm: cat Tainted: G D W 5.10.185-cip35 #1 [ 68.822890] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 68.829514] RIP: 0010:refcount_warn_saturate+0xfb/0x110 [ 68.835383] Code: c0 3f 55 a6 c6 05 5a ef f6 01 01 e8 36 cb c0 00 0f 0b c3 cc cc cc cc 48 c7 c7 90 3f 55 a6 c6 05 41 ef f6 01 01 e8 1c cb c0 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b [ 68.856390] RSP: 0018:ffffb5844285fe48 EFLAGS: 00010286 [ 68.862248] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000 [ 68.870236] RDX: ffffa2edbbd2c660 RSI: ffffa2edbbd1bf70 RDI: ffffa2edbbd1bf70 [ 68.878229] RBP: ffffffffa65f900b R08: 0000000000000000 R09: 0000000000000000 [ 68.886222] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 [ 68.894212] R13: ffffb5844285ff10 R14: ffffb5844285ff10 R15: ffffa2ed4611c000 [ 68.902207] FS: 00007f829e1eb580(0000) GS:ffffa2edbbd00000(0000) knlGS:0000000000000000 [ 68.911248] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 68.917669] CR2: 00007f829dff5000 CR3: 0000000105934000 CR4: 00000000003506e0 [ 68.925639] Call Trace: [ 68.928396] ? __warn+0x80/0x110 [ 68.932017] ? refcount_warn_saturate+0xfb/0x110 [ 68.937195] ? report_bug+0x9e/0xc0 [ 68.941115] ? handle_bug+0x41/0x90 [ 68.945030] ? exc_invalid_op+0x14/0x70 [ 68.949330] ? asm_exc_invalid_op+0x12/0x20 [ 68.954025] ? refcount_warn_saturate+0xfb/0x110 [ 68.959199] ? refcount_warn_saturate+0xfb/0x110 [ 68.964379] lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x61 [ 68.969748] direct_entry.cold+0x2c/0x38 [ 68.974142] full_proxy_write+0x56/0x80 [ 68.978450] vfs_write+0xea/0x3b0 [ 68.982173] ksys_write+0x68/0xf0 [ 68.985904] do_syscall_64+0x33/0x40 [ 68.989918] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 68.995571] RIP: 0033:0x7f829e101473 [ 68.999575] Code: 8b 15 21 2a 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 ffa2edbbd1bf70 RDI: ffffa2edbbd1bf70 # [ 64.803967] RBP: ffff[ 69.020546] RSP: 002b:00007ffe54aa1058 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 69.035191] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f829e101473 [ 69.043167] RDX: 0000000000000016 RSI: 00007f829dff5000 RDI: 0000000000000001 [ 69.051142] RBP: 00007f829dff5000 R08: 00007f829dff4010 R09: 0000000000000000 [ 69.059111] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 69.067084] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ffffa65f8fcd R08: 0000000000000000 R09: 0000000000000000 # [ [ 69.075121] irq event stamp: 0 [ 69.084800] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 69.091831] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 [ 69.100974] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 [ 69.110115] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 69.117129] ---[ end trace f26eca5477602e4f ]--- [ 69.122299] lkdtm: Negative detected: saturated 64.811942] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 64.819917] R13: ffffb584425bff10 R14: ffffb584425bff10 R15: ffffa2ed44735000 # [ 64.827890] FS: 00007f29acac6580(0000) GS:ffffa2edbbd00000(0000) knlGS:0000000000000000 # [ 64.836931] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 64.843362] CR2: 00007f29ac8d0000 CR3: 000000010480a000 CR4: 00000000003506e0 # [ 64.851333] Call Trace: # [ 64.854093] ? __warn+0x80/0x110 # [ 64.857718] ? refcount_warn_saturate+0x51/0x110 # [ 64.862892] ? report_bug+0x9e/0xc0 # [ 64.866806] ? handle_bug+0x41/0x90 # [ 64.870716] ? exc_invalid_op+0x14/0x70 # [ 64.875016] ? asm_exc_invalid_op+0x12/0x20 # [ 64.879713] ? refcount_warn_saturate+0x51/0x110 # [ 64.884888] ? refcount_warn_saturate+0x51/0x110 # [ 64.890063] lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x98 # [ 64.895437] direct_entry.cold+0x2c/0x38 # [ 64.899838] full_proxy_write+0x56/0x80 # [ 64.904142] vfs_write+0xea/0x3b0 # [ 64.907860] ksys_write+0x68/0xf0 # [ 64.911585] do_syscall_64+0x33/0x40 # [ 64.915594] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 64.921252] RIP: 0033:0x7f29ac9dc473 # [ 64.925258] Code: 8b 15 21 2a 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 # [ 64.946216] RSP: 002b:00007ffc0bde0e18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 64.954680] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f29ac9dc473 # [ 64.962661] RDX: 0000000000000016 RSI: 00007f29ac8d0000 RDI: 0000000000000001 # [ 64.970631] RBP: 00007f29ac8d0000 R08: 00007f29ac8cf010 R09: 0000000000000000 # [ 64.984778] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 64.992752] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 65.006927] irq event stamp: 0 # [ 65.010364] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 65.017379] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 65.026523] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 65.035712] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 65.042747] ---[ end trace f26eca5477602e4a ]--- # [ 65.047918] lkdtm: Overflow detected: saturated # REFCOUNT_INC_OVERFLOW: saw 'call trace:': ok ok 42 selftests: lkdtm: REFCOUNT_INC_OVERFLOW.sh # selftests: lkdtm: REFCOUNT_ADD_OVERFLOW.sh # [ 65.367178] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW # [ 65.375913] lkdtm: attempting good refcount_add() without overflow # [ 65.382828] lkdtm: attempting bad refcount_add() overflow # [ 65.388872] ------------[ cut here ]------------ # [ 65.394031] refcount_t: saturated; leaking memory. # [ 65.405643] WARNING: CPU: 0 PID: 1995 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 65.421258] Modules linked in: fuse ip_tables cros_ec_sysfs cros_usbpd_charger uvcvideo cros_ec_lightbar cros_ec_chardev videobuf2_vmalloc videobuf2_memops cros_usbpd_logger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 65.467236] CPU: 0 PID: 1995 Comm: cat Tainted: G D W 5.10.185-cip35 #1 # [ 65.482118] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 65.488748] RIP: 0010:refcount_w[ 69.470524] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE [ 69.482488] lkdtm: attempting bad refcount_dec_and_test() below zero [ 69.489620] ------------[ cut here ]------------ [ 69.494789] refcount_t: underflow; use-after-free. [ 69.500209] WARNING: CPU: 2 PID: 2161 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 arn_saturate+0x51/0x110 # [ 65.494588] Code: 84 bc 00 00 00 c[ 69.509653] Modules linked in: fuse ip_tables cros_ec_sysfs cros_usbpd_charger uvcvideo cros_ec_lightbar cros_ec_chardev videobuf2_vmalloc videobuf2_memops cros_usbpd_logger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table [ 69.555656] CPU: 2 PID: 2161 Comm: cat Tainted: G D W 5.10.185-cip35 #1 [ 69.564328] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 69.570969] RIP: 0010:refcount_warn_saturate+0xba/0x110 [ 69.576832] Code: 01 01 e8 80 cb c0 00 0f 0b c3 cc cc cc cc 80 3d 93 ef f6 01 00 75 85 48 c7 c7 68 3f 55 a6 c6 05 83 ef f6 01 01 e8 5d cb c0 00 <0f> 0b c3 cc cc cc cc 80 3d 6e ef f6 01 00 0f 85 5e ff ff ff 48 c7 [ 69.597817] RSP: 0018:ffffb584428e7e40 EFLAGS: 00010286 [ 69.603671] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000 [ 69.611657] RDX: ffffa2edbbd2c660 RSI: ffffa2edbbd1bf70 RDI: ffffa2edbbd1bf70 [ 69.619646] RBP: ffffffffa65f8c60 R08: 0000000000000000 R09: 0000000000000000 [ 69.627626] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f [ 69.635604] R13: ffffb584428e7f10 R14: ffffb584428e7f10 R15: ffffa2ed43c98000 [ 69.643586] FS: 00007f4493683580(0000) GS:ffffa2edbbd00000(0000) knlGS:0000000000000000 [ 69.652640] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 69.659066] CR2: 00007f449348d000 CR3: 0000000105b68000 CR4: 00000000003506e0 [ 69.667044] Call Trace: [ 69.669806] ? __warn+0x80/0x110 [ 69.673434] ? refcount_warn_saturate+0xba/0x110 [ 69.678602] ? report_bug+0x9e/0xc0 3 cc cc cc cc 85 f6 74 46 80 3d fe ef f6 01 00 75 ee 48 c7 c7 10[ 69.682523] ? handle_bug+0x41/0x90 [ 69.692628] ? exc_invalid_op+0x14/0x70 [ 69.696932] ? asm_exc_invalid_op+0x12/0x20 [ 69.701627] ? refcount_warn_saturate+0xba/0x110 [ 69.706803] __refcount_sub_and_test.constprop.0+0x3c/0x50 [ 69.712947] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x78 [ 69.719181] direct_entry.cold+0x2c/0x38 [ 69.723584] full_proxy_write+0x56/0x80 [ 69.727895] vfs_write+0xea/0x3b0 [ 69.731617] ksys_write+0x68/0xf0 [ 69.735338] do_syscall_64+0x33/0x40 [ 69.739347] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 69.745011] RIP: 0033:0x7f4493599473 [ 69.749026] Code: 8b 15 21 2a 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 3f 55 a6 c6 05 ee ef f6 01 01 e8 c6 cb c0 00 <0f> 0b c3 cc cc c[ 69.769991] RSP: 002b:00007ffe16f4e338 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 69.784638] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f4493599473 [ 69.792612] RDX: 000000000000001f RSI: 00007f449348d000 RDI: 0000000000000001 [ 69.800584] RBP: 00007f449348d000 R08: 00007f449348c010 R09: 0000000000000000 [ 69.808555] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 c cc 80 3d da ef f6 01 00 75 cb 48 c7 c7 38 3f 55 # [ 65.5155[ 69.816591] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 69.830781] irq event stamp: 0 [ 69.834210] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 69.841223] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 [ 69.850374] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 [ 69.859512] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 69.866519] ---[ end trace f26eca5477602e50 ]--- [ 69.871686] lkdtm: Negative detected: saturated 40] RSP: 0018:ffffb5844263fe48 EFLAGS: 00010286 # [ 65.521387] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000 # [ 65.529364] RDX: ffffa2edbbc2c660 RSI: ffffa2edbbc1bf70 RDI: ffffa2edbbc1bf70 # [ 65.537341] RBP: ffffffffa65f8fe3 R08: 0000000000000000 R09: 0000000000000000 # [ 65.545309] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 65.553282] R13: ffffb5844263ff10 R14: ffffb5844263ff10 R15: ffffa2ed43c8e000 # [ 65.561255] FS: 00007f7743472580(0000) GS:ffffa2edbbc00000(0000) knlGS:0000000000000000 # [ 65.570291] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 65.576711] CR2: 00007f774327c000 CR3: 0000000104706000 CR4: 00000000003506f0 # [ 65.584679] Call Trace: # [ 65.593622] ? __warn+0x80/0x110 # [ 65.603435] ? refcount_warn_saturate+0x51/0x110 # [ 65.608605] ? report_bug+0x9e/0xc0 # [ 65.612518] ? handle_bug+0x41/0x90 # [ 65.616424] ? exc_invalid_op+0x14/0x70 # [ 65.620712] ? asm_exc_invalid_op+0x12/0x20 # [ 65.625403] ? refcount_warn_saturate+0x51/0x110 # [ 65.630575] ? refcount_warn_saturate+0x51/0x110 # [ 65.635746] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa7 # [ 65.641108] direct_entry.cold+0x2c/0x38 # [ 65.645509] full_proxy_write+0x56/0x80 # [ 65.649811] vfs_write+0xea/0x3b0 # [ 65.653537] ksys_write+0x68/0xf0 # [ 65.663425] do_syscall_64+0x33/0x40 # [ 65.667441] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 65.673097] RIP: 0033:0x7f7743388473 # [ 65.677104] Code: 8b 15 21 2a 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 # [ 65.698050] RSP: 002b:00007ffc4123e838 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 65.706501] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f7743388473 # [ 65.714471] RDX: 0000000000000016 RSI: 00007f774327c000 RDI: 0000000000000001 # [ 65.722445] RBP: 00007f774327c000 R08: 00007f774327b010 R09: 0000000000000000 # [ 65.730416] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 65.738387] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 65.746373] irq event stamp: 0 # [ 65.749794] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 65.756803] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 65.765940] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 65.775077] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 65.782080] ---[ end trace f26eca5477602e4b ]--- # [ 65.787242] 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 # [ 66.117493] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW # [ 66.128502] lkdtm: attempting bad refcount_inc_not_zero() overflow # [ 66.141624] ------------[ cut here ]------------ # [ 66.146797] refcount_t: saturated; leaking memory. # [ 66.158404] WARNING: CPU: 0 PID: 2027 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 66.173948] Modules linked in: fuse ip_tables cros_ec_sysfs cros_usbpd_charger uvcvideo cros_ec_lightbar cros_ec_chardev videobuf2_vmalloc videobuf2_memops cros_usbpd_logger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table #[ 70.227817] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE [ 70.237833] lkdtm: attempting bad refcount_sub_and_test() below zero [ 70.244965] ------------[ cut here ]------------ [ 70.250137] refcount_t: underflow; use-after-free. [ 66.219871] CPU: 0 PID: 2027 Comm: cat Tainted: G D W [ 70.255556] WARNING: CPU: 2 PID: 2196 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 5.10.185-cip35 #1 # [ 66.228527] Hardware name: Google[ 70.271180] Modules linked in: fuse ip_tables cros_ec_sysfs cros_usbpd_charger uvcvideo cros_ec_lightbar cros_ec_chardev videobuf2_vmalloc videobuf2_memops cros_usbpd_logger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table [ 70.317113] CPU: 2 PID: 2196 Comm: cat Tainted: G D W 5.10.185-cip35 #1 [ 70.325770] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 70.332394] RIP: 0010:refcount_warn_saturate+0xba/0x110 [ 70.338248] Code: 01 01 e8 80 cb c0 00 0f 0b c3 cc cc cc cc 80 3d 93 ef f6 01 00 75 85 48 c7 c7 68 3f 55 a6 c6 05 83 ef f6 01 01 e8 5d cb c0 00 <0f> 0b c3 cc cc cc cc 80 3d 6e ef f6 01 00 0f 85 5e ff ff ff 48 c7 [ 70.359214] RSP: 0018:ffffb5844296fe40 EFLAGS: 00010286 [ 70.365069] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000 [ 70.373036] RDX: ffffa2edbbd2c660 RSI: ffffa2edbbd1bf70 RDI: ffffa2edbbd1bf70 [ 70.381018] RBP: ffffffffa65f8c80 R08: 0000000000000000 R09: 0000000000000000 [ 70.388993] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f [ 70.396982] R13: ffffb5844296ff10 R14: ffffb5844296ff10 R15: ffffa2ed46229000 [ 70.404975] FS: 00007f28ddfb1580(0000) GS:ffffa2edbbd00000(0000) knlGS:0000000000000000 [ 70.414026] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 70.420454] CR2: 00007f28dddbb000 CR3: 000000010474e000 CR4: 00000000003506e0 [ 70.428432] Call Trace: [ 70.431194] ? __warn+0x80/0x110 [ 70.434824] ? refcount_warn_saturate+0xba/0x110 [ 70.440007] ? report_bug+0x9e/0xc0 [ 70.443935] ? handle_bug+0x41/0x90 [ 70.447856] ? exc_invalid_op+0x14/0x70 [ 70.452162] ? asm_exc_invalid_op+0x12/0x20 [ 70.456868] ? refcount_warn_saturate+0xba/0x110 [ 70.462046] __refcount_sub_and_test.constprop.0+0x3c/0x50 [ 70.468190] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x7b [ 70.474437] direct_entry.cold+0x2c/0x38 [ 70.478842] full_proxy_write+0x56/0x80 [ 70.483151] vfs_write+0xea/0x3b0 [ 70.486885] ksys_write+0x68/0xf0 [ 70.490618] do_syscall_64+0x33/0x40 [ 70.494634] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 70.500296] RIP: 0033:0x7f28ddec7473 Coral/Coral, BIOS 09/29/2020 # [ 66.235167] RIP: 0010:refco[ 70.504317] Code: 8b 15 21 2a 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 unt_warn_saturate+0x97/0x110 # [ 66.241018] Code: 01 01 e8 a3[ 70.531489] RSP: 002b:00007ffd283b83e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 70.546163] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f28ddec7473 [ 70.554151] RDX: 000000000000001f RSI: 00007f28dddbb000 RDI: 0000000000000001 [ 70.562137] RBP: 00007f28dddbb000 R08: 00007f28dddba010 R09: 0000000000000000 [ 70.570131] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 70.578117] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 70.586114] irq event stamp: 0 [ 70.589549] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 70.596575] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 [ 70.605720] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 cb c0 00 0f 0b c3 cc cc cc cc 80 3d b9 ef f6 01 00 75 a8 48 c7 [ 70.614865] softirqs last disabled at (0): [<0000000000000000>] 0x0 c7 10 3f 55 a6 c6 05 a9 ef f6 01 01 e8 80 cb c0 00 <0f> 0b c3 cc[ 70.628057] ---[ end trace f26eca5477602e51 ]--- cc cc cc 80 3d 93 ef f6 01 00 75 85 48 c7 c7 68 3f 55 # [ 66[ 70.639413] lkdtm: Negative detected: saturated .261979] RSP: 0018:ffffb584426cfe38 EFLAGS: 00010282 # [ 66.267831] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 # [ 66.275808] RDX: ffffa2edbbc2c660 RSI: ffffa2edbbc1bf70 RDI: ffffa2edbbc1bf70 # [ 66.283791] RBP: ffffffffa65f8c20 R08: 0000000000000000 R09: 0000000000000000 # [ 66.291771] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 66.299746] R13: ffffb584426cff10 R14: ffffb584426cff10 R15: ffffa2ed460b5000 # [ 66.307720] FS: 00007f70d2caf580(0000) GS:ffffa2edbbc00000(0000) knlGS:0000000000000000 # [ 66.316751] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 66.323172] CR2: 00007f70d2ab9000 CR3: 0000000106288000 CR4: 00000000003506f0 # [ 66.331150] Call Trace: # [ 66.333910] ? __warn+0x80/0x110 # [ 66.337534] ? refcount_warn_saturate+0x97/0x110 # [ 66.342699] ? report_bug+0x9e/0xc0 # [ 66.346620] ? handle_bug+0x41/0x90 # [ 66.350529] ? exc_invalid_op+0x14/0x70 # [ 66.354832] ? asm_exc_invalid_op+0x12/0x20 # [ 66.359527] ? refcount_warn_saturate+0x97/0x110 # [ 66.364706] ? refcount_warn_saturate+0x97/0x110 # [ 66.369879] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 66.376018] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x76 # [ 66.382253] direct_entry.cold+0x2c/0x38 # [ 66.386655] full_proxy_write+0x56/0x80 # [ 66.390956] vfs_write+0xea/0x3b0 # [ 66.394674] ksys_write+0x68/0xf0 # [ 66.398397] do_syscall_64+0x33/0x40 # [ 66.402408] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 66.408063] RIP: 0033:0x7f70d2bc5473 # [ 66.412076] Code: 8b 15 21 2a 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 # [ 66.433034] RSP: 002b:00007ffffcd79668 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 66.441492] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f70d2bc5473 # [ 66.455663] RDX: 000000000000001f RSI: 00007f70d2ab9000 RDI: 0000000000000001 # [ 66.463635] RBP: 00007f70d2ab9000 R08: 00007f70d2ab8010 R09: 0000000000000000 # [ 66.471615] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 66.479604] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 66.487581] irq event stamp: 0 # [ 66.491009] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 66.498023] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 66.507214] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 66.516396] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 66.523406] ---[ end trace f26eca5477602e4c ]--- # [ 66.528570] 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 # [ 66.861063] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW # [ 66.869966] lkdtm: attempting bad refcount_add_not_zero() overflow # [ 66.876905] ------------[ cut here ]------------ # [ 66.882075] refcount_t: saturated; leaking memory. # [ 66.887487] WARNING: CPU: 0 PID: 2059 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 66.903100] Modules linked in: fuse ip_tables cros_ec_sysfs cros_usbpd_charger uvcvideo cros_ec_lightbar cros_ec_chardev videobuf2_vmalloc videobuf2_memops cros_usbpd_logger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev vid[ 70.993063] lkdtm: Performing direct entry REFCOUNT_INC_ZERO [ 71.004210] lkdtm: attempting safe refcount_inc_not_zero() from zero [ 71.011338] lkdtm: Good: zero detected [ 71.015545] lkdtm: Correctly stayed at zero [ 71.020215] lkdtm: attempting bad refcount_inc() from zero [ 71.026357] ------------[ cut here ]------------ [ 71.031519] refcount_t: addition on 0; use-after-free. [ 71.037320] WARNING: CPU: 2 PID: 2228 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 eobuf2_common snd_soc_da7219 snd_soc_max98357a snd_soc_core cros[ 71.046759] Modules linked in: fuse ip_tables cros_ec_sysfs cros_usbpd_charger uvcvideo cros_ec_lightbar cros_ec_chardev videobuf2_vmalloc videobuf2_memops cros_usbpd_logger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table [ 71.092724] CPU: 2 PID: 2228 Comm: cat Tainted: G D W 5.10.185-cip35 #1 [ 71.101377] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 71.107996] RIP: 0010:refcount_warn_saturate+0x74/0x110 [ 71.113843] Code: 01 01 e8 c6 cb c0 00 0f 0b c3 cc cc cc cc 80 3d da ef f6 01 00 75 cb 48 c7 c7 38 3f 55 a6 c6 05 ca ef f6 01 01 e8 a3 cb c0 00 <0f> 0b c3 cc cc cc cc 80 3d b9 ef f6 01 00 75 a8 48 c7 c7 10 3f 55 [ 71.134806] RSP: 0018:ffffb584429e7e48 EFLAGS: 00010286 [ 71.140656] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000 [ 71.148636] RDX: ffffa2edbbd2c660 RSI: ffffa2edbbd1bf70 RDI: ffffa2edbbd1bf70 [ 71.156617] RBP: ffffffffa65f9021 R08: 0000000000000000 R09: 0000000000000000 [ 71.164589] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 [ 71.172561] R13: ffffb584429e7f10 R14: ffffb584429e7f10 R15: ffffa2ed426f1000 [ 71.180532] FS: 00007f3a06b6e580(0000) GS:ffffa2edbbd00000(0000) knlGS:0000000000000000 [ 71.189569] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 71.195991] CR2: 00007f3a06978000 CR3: 00000001032c8000 CR4: 00000000003506e0 [ 71.203966] Call Trace: [ 71.206722] ? __warn+0x80/0x110 [ 71.210343] ? refcount_warn_saturate+0x74/0x110 [ 71.215511] ? report_bug+0x9e/0xc0 [ 71.219425] ? handle_bug+0x41/0x90 [ 71.223336] ? exc_invalid_op+0x14/0x70 [ 71.227639] ? asm_exc_invalid_op+0x12/0x20 [ 71.232335] ? refcount_warn_saturate+0x74/0x110 [ 71.237510] ? refcount_warn_saturate+0x74/0x110 [ 71.242681] lkdtm_REFCOUNT_INC_ZERO+0x99/0xc1 [ 71.247663] direct_entry.cold+0x2c/0x38 [ 71.252063] full_proxy_write+0x56/0x80 [ 71.256365] vfs_write+0xea/0x3b0 [ 71.260076] ksys_write+0x68/0xf0 [ 71.263800] do_syscall_64+0x33/0x40 _usbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c [ 71.267804] entry_SYSCALL_64_after_hwframe+0x61/0xc6 chromeos_pstore coreboot_table # [ 66.948964] CPU: 0 PID: 205[ 71.279640] RIP: 0033:0x7f3a06a84473 9 Comm: cat Tainted: G D W 5.10.185-cip35 #1 # [ [ 71.289829] Code: 8b 15 21 2a 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 [ 71.317009] RSP: 002b:00007ffd95880248 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 71.325475] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f3a06a84473 [ 71.333448] RDX: 0000000000000012 RSI: 00007f3a06978000 RDI: 0000000000000001 66.963826] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 71.341475] RBP: 00007f3a06978000 R08: 00007f3a06977010 R09: 0000000000000000 # [ 66.970454] RIP: 0010:refcount_warn_saturate+0x97/0x110 #[ 71.355662] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 71.369824] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 71.377806] irq event stamp: 0 [ 71.381218] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 71.388225] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 [ 71.397367] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 [ 71.406501] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 71.413503] ---[ end trace f26eca5477602e52 ]--- [ 71.418667] lkdtm: Zero detected: saturated [ 66.982492] Code: 01 01 e8 a3 cb c0 00 0f 0b c3 cc cc cc cc 80 3d b9 ef f6 01 00 75 a8 48 c7 c7 10 3f 55 a6 c6 05 a9 ef f6 01 01 e8 80 cb c0 00 <0f> 0b c3 cc cc cc cc 80 3d 93 ef f6 01 00 75 85 48 c7 c7 68 3f 55 # [ 67.009620] RSP: 0018:ffffb5844274fe38 EFLAGS: 00010282 # [ 67.021649] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 # [ 67.035800] RDX: ffffa2edbbc2c660 RSI: ffffa2edbbc1bf70 RDI: ffffa2edbbc1bf70 # [ 67.049954] RBP: ffffffffa65f8c40 R08: 0000000000000000 R09: 0000000000000000 # [ 67.064106] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 67.078267] R13: ffffb5844274ff10 R14: ffffb5844274ff10 R15: ffffa2ed43cf6000 # [ 67.092424] FS: 00007f4deac55580(0000) GS:ffffa2edbbc00000(0000) knlGS:0000000000000000 # [ 67.107643] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 67.120265] CR2: 00007f4deaa5f000 CR3: 0000000103b96000 CR4: 00000000003506f0 # [ 67.134426] Call Trace: # [ 67.143375] ? __warn+0x80/0x110 # [ 67.153174] ? refcount_warn_saturate+0x97/0x110 # [ 67.164544] ? report_bug+0x9e/0xc0 # [ 67.174619] ? handle_bug+0x41/0x90 # [ 67.184718] ? exc_invalid_op+0x14/0x70 # [ 67.195204] ? asm_exc_invalid_op+0x12/0x20 # [ 67.206084] ? refcount_warn_saturate+0x97/0x110 # [ 67.217438] ? refcount_warn_saturate+0x97/0x110 # [ 67.228800] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 67.241126] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x76 # [ 67.253570] direct_entry.cold+0x2c/0x38 # [ 67.264150] full_proxy_write+0x56/0x80 # [ 67.274633] vfs_write+0xea/0x3b0 # [ 67.284542] ksys_write+0x68/0xf0 # [ 67.294470] do_syscall_64+0x33/0x40 # [ 67.304649] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 67.316477] RIP: 0033:0x7f4deab6b473 # [ 67.326659] Code: 8b 15 21 2a 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 # [ 67.353782] RSP: 002b:00007ffc2b43cee8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 67.368431] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f4deab6b473 # [ 67.382599] RDX: 000000000000001f RSI: 00007f4deaa5f000 RDI: 0000000000000001 # [ 67.396749] RBP: 00007f4deaa5f000 R08: 00007f4deaa5e010 R09: 0000000000000000 # [ 67.410909] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 67.425056] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 67.439229] irq event stamp: 0 # [ 67.448824] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 67.462018] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 67.477343] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 67.492662] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 67.505851] ---[ end trace f26eca5477602e4d ]--- # [ 67.517199] 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 # [ 67.863459] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO # [ 67.875850] lkdtm: attempting good refcount_dec() # [ 67.881132] lkdtm: attempting bad refcount_dec() to zero # [ 67.887072] ------------[ cut here ]------------ # [ 67.898430] refcount_t: decrement hit 0; leaking memory. # [ 67.910632] WARNING: CPU: 1 PID: 2091 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 67.926267] Modules linked in: fuse ip_tables cros_ec_sysfs cros_usbpd_charger uvcvideo cros_ec_lightbar cros_ec_chardev vi[ 71.780803] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO [ 71.789305] lkdtm: attempting safe refcount_add_not_zero() from zero [ 71.796427] lkdtm: Good: zero detected [ 71.800624] lkdtm: Correctly stayed at zero [ 71.805300] lkdtm: attempting bad refcount_add() from zero [ 71.811431] ------------[ cut here ]------------ [ 71.816589] refcount_t: addition on 0; use-after-free. [ 71.822392] WARNING: CPU: 2 PID: 2260 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 deobuf2_vmalloc videobuf2_memops cros_usbpd_logger cros_ec_debug[ 71.831812] Modules linked in: fuse ip_tables cros_ec_sysfs cros_usbpd_charger uvcvideo cros_ec_lightbar cros_ec_chardev videobuf2_vmalloc videobuf2_memops cros_usbpd_logger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table [ 71.877763] CPU: 2 PID: 2260 Comm: cat Tainted: G D W 5.10.185-cip35 #1 [ 71.886413] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 71.893037] RIP: 0010:refcount_warn_saturate+0x74/0x110 [ 71.898885] Code: 01 01 e8 c6 cb c0 00 0f 0b c3 cc cc cc cc 80 3d da ef f6 01 00 75 cb 48 c7 c7 38 3f 55 a6 c6 05 ca ef f6 01 01 e8 a3 cb c0 00 <0f> 0b c3 cc cc cc cc 80 3d b9 ef f6 01 00 75 a8 48 c7 c7 10 3f 55 [ 71.919846] RSP: 0018:ffffb58442a4fe48 EFLAGS: 00010286 [ 71.925691] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000 [ 71.933670] RDX: ffffa2edbbd2c660 RSI: ffffa2edbbd1bf70 RDI: ffffa2edbbd1bf70 [ 71.941641] RBP: ffffffffa65f9033 R08: 0000000000000000 R09: 0000000000000000 [ 71.949612] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 [ 71.957588] R13: ffffb58442a4ff10 R14: ffffb58442a4ff10 R15: ffffa2ed429aa000 [ 71.965560] FS: 00007fdc8551b580(0000) GS:ffffa2edbbd00000(0000) knlGS:0000000000000000 [ 71.974604] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 71.981028] CR2: 00007fdc85325000 CR3: 00000001058d0000 CR4: 00000000003506e0 [ 71.988998] Call Trace: [ 71.991762] ? __warn+0x80/0x110 [ 71.995381] ? refcount_warn_saturate+0x74/0x110 [ 72.000545] ? report_bug+0x9e/0xc0 [ 72.004457] ? handle_bug+0x41/0x90 [ 72.008367] ? exc_invalid_op+0x14/0x70 [ 72.012666] ? asm_exc_invalid_op+0x12/0x20 [ 72.017366] ? refcount_warn_saturate+0x74/0x110 [ 72.022518] ? refcount_warn_saturate+0x74/0x110 [ 72.027688] lkdtm_REFCOUNT_ADD_ZERO+0x99/0xc1 [ 72.032662] direct_entry.cold+0x2c/0x38 [ 72.037058] full_proxy_write+0x56/0x80 [ 72.041366] vfs_write+0xea/0x3b0 [ 72.045076] ksys_write+0x68/0xf0 [ 72.048802] do_syscall_64+0x33/0x40 fs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf[ 72.052831] entry_SYSCALL_64_after_hwframe+0x61/0xc6 2_common snd_soc_da7219 snd_soc_max98357a snd_soc_core cros_usbp[ 72.064679] RIP: 0033:0x7fdc85431473 d_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chrom[ 72.074864] Code: 8b 15 21 2a 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 [ 72.102014] RSP: 002b:00007ffe47842978 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 72.110476] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fdc85431473 [ 72.118451] RDX: 0000000000000012 RSI: 00007fdc85325000 RDI: 0000000000000001 [ 72.126437] RBP: 00007fdc85325000 R08: 00007fdc85324010 R09: 0000000000000000 [ 72.134423] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 eos_pstore coreboot_table # [ 67.972234] CPU: 1 PID: 2091 Com[ 72.142405] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 72.156571] irq event stamp: 0 [ 72.159993] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 72.167005] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 [ 72.176145] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 [ 72.185288] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 72.192297] ---[ end trace f26eca5477602e53 ]--- m: cat Tainted: G D W 5.10.185-cip35 #1 # [ 67.9[ 72.197472] lkdtm: Zero detected: saturated 87097] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 67.999919] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 68.011958] Code: c0 3f 55 a6 c6 05 5a ef f6 01 01 e8 36 cb c0 00 0f 0b c3 cc cc cc cc 48 c7 c7 90 3f 55 a6 c6 05 41 ef f6 01 01 e8 1c cb c0 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 68.039123] RSP: 0018:ffffb584427c7e48 EFLAGS: 00010286 # [ 68.051158] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000 # [ 68.065323] RDX: ffffa2edbbcac660 RSI: ffffa2edbbc9bf70 RDI: ffffa2edbbc9bf70 # [ 68.079491] RBP: ffffffffa65f8ff9 R08: 0000000000000000 R09: 0000000000000000 # [ 68.093651] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 68.107824] R13: ffffb584427c7f10 R14: ffffb584427c7f10 R15: ffffa2ed42a79000 # [ 68.122008] FS: 00007f85d0c8f580(0000) GS:ffffa2edbbc80000(0000) knlGS:0000000000000000 # [ 68.137249] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 68.145424] CR2: 00007f85d0a99000 CR3: 0000000103bae000 CR4: 00000000003506e0 # [ 68.159611] Call Trace: # [ 68.164099] ? __warn+0x80/0x110 # [ 68.167913] ? refcount_warn_saturate+0xfb/0x110 # [ 68.179295] ? report_bug+0x9e/0xc0 # [ 68.189408] ? handle_bug+0x41/0x90 # [ 68.199517] ? exc_invalid_op+0x14/0x70 # [ 68.203821] ? asm_exc_invalid_op+0x12/0x20 # [ 68.208514] ? refcount_warn_saturate+0xfb/0x110 # [ 68.213686] ? refcount_warn_saturate+0xfb/0x110 # [ 68.225032] lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xbd # [ 68.230011] direct_entry.cold+0x2c/0x38 # [ 68.234408] full_proxy_write+0x56/0x80 # [ 68.244902] vfs_write+0xea/0x3b0 # [ 68.248619] ksys_write+0x68/0xf0 # [ 68.252341] do_syscall_64+0x33/0x40 # [ 68.256362] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 68.262012] RIP: 0033:0x7f85d0ba5473 # [ 68.266021] Code: 8b 15 21 2a 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 # [ 68.286993] RSP: 002b:00007ffd613465c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 68.295460] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f85d0ba5473 # [ 68.303442] RDX: 0000000000000012 RSI: 00007f85d0a99000 RDI: 0000000000000001 # [ 68.317622] RBP: 00007f85d0a99000 R08: 00007f85d0a98010 R09: 0000000000000000 # [ 68.325609] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 68.333597] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 68.341592] irq event stamp: 0 # [ 68.345018] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 68.352035] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 68.361187] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 68.370326] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 68.377338] ---[ end trace f26eca5477602e4e ]--- # [ 68.382503] lkdtm: Zero detected: saturated # REFCOUNT_DEC_ZERO: saw 'call trace:': ok ok 46 selftests: lkdtm: REFCOUNT_DEC_ZERO.sh # selftests: lkdtm: REFCOUNT_DEC_NEGATIVE.sh # [ 68.732843] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE # [ 68.741447] lkdtm: attempting bad refcount_dec() below zero # [ 68.747702] ------------[ cut here ]------------ # [ 68.752874] refcount_t: decrement hit 0; leaking memory. # [ 68.758878] WARNING: CPU: 2 PID: 2126 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 68.768325] Modules linked in: fuse ip_tables cros_ec_sysfs cros_usbpd_charger uvcvideo cros_ec_lightbar cros_ec_chardev videobuf2_vmalloc videobuf2_memops cros_usbpd_logger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg[ 72.570204] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED [ 72.581301] lkdtm: attempting bad refcount_inc() from saturated [ 72.587948] ------------[ cut here ]------------ [ 72.593108] refcount_t: saturated; leaking memory. _temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_so[ 72.598513] WARNING: CPU: 0 PID: 2295 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 c_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_compress [ 72.614126] Modules linked in: fuse ip_tables cros_ec_sysfs cros_usbpd_charger uvcvideo cros_ec_lightbar cros_ec_chardev videobuf2_vmalloc videobuf2_memops cros_usbpd_logger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table [ 72.660140] CPU: 0 PID: 2295 Comm: cat Tainted: G D W 5.10.185-cip35 #1 [ 72.668810] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 72.675445] RIP: 0010:refcount_warn_saturate+0x51/0x110 [ 72.681299] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d fe ef f6 01 00 75 ee 48 c7 c7 10 3f 55 a6 c6 05 ee ef f6 01 01 e8 c6 cb c0 00 <0f> 0b c3 cc cc cc cc 80 3d da ef f6 01 00 75 cb 48 c7 c7 38 3f 55 [ 72.702285] RSP: 0018:ffffb58442b07e48 EFLAGS: 00010286 [ 72.708142] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000 [ 72.716128] RDX: ffffa2edbbc2c660 RSI: ffffa2edbbc1bf70 RDI: ffffa2edbbc1bf70 [ 72.724113] RBP: ffffffffa65f9045 R08: 0000000000000000 R09: 0000000000000000 [ 72.732102] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 [ 72.740080] R13: ffffb58442b07f10 R14: ffffb58442b07f10 R15: ffffa2ed44806000 [ 72.748063] FS: 00007f42de327580(0000) GS:ffffa2edbbc00000(0000) knlGS:0000000000000000 [ 72.757116] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 72.763539] CR2: 00007f42de131000 CR3: 0000000102a74000 CR4: 00000000003506f0 [ 72.771517] Call Trace: [ 72.774281] ? __warn+0x80/0x110 [ 72.777910] ? refcount_warn_saturate+0x51/0x110 [ 72.783089] ? report_bug+0x9e/0xc0 [ 72.787024] ? handle_bug+0x41/0x90 [ 72.790937] ? exc_invalid_op+0x14/0x70 [ 72.795237] ? asm_exc_invalid_op+0x12/0x20 [ 72.799939] ? refcount_warn_saturate+0x51/0x110 [ 72.805120] ? refcount_warn_saturate+0x51/0x110 [ 72.810299] lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x64 [ 72.815776] direct_entry.cold+0x2c/0x38 [ 72.820181] full_proxy_write+0x56/0x80 [ 72.824486] vfs_write+0xea/0x3b0 [ 72.828206] ksys_write+0x68/0xf0 [ 72.831936] do_syscall_64+0x33/0x40 [ 72.835949] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 72.841618] RIP: 0033:0x7f42de23d473 snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [[ 72.845634] Code: 8b 15 21 2a 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 68.814229] CPU: 2 PID: 2126 Comm: cat Tainted: G D W [ 72.872810] RSP: 002b:00007fff31dcdad8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 5.10.185-cip35 #1 # [ 68.822890] Hardware name: Google C[ 72.887501] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f42de23d473 [ 72.901697] RDX: 0000000000000017 RSI: 00007f42de131000 RDI: 0000000000000001 [ 72.909689] RBP: 00007f42de131000 R08: 00007f42de130010 R09: 0000000000000000 [ 72.917680] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 72.925662] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 72.933665] irq event stamp: 0 [ 72.937097] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 72.944127] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 [ 72.953288] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 oral/Coral, BIOS 09/29/2020 # [ 68.829514] RIP: 0010:refcoun[ 72.962452] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 72.975682] ---[ end trace f26eca5477602e54 ]--- [ 72.980858] lkdtm: Saturation detected: still saturated t_warn_saturate+0xfb/0x110 # [ 68.835383] Code: c0 3f 55 a6 c6 05 5a ef f6 01 01 e8 36 cb c0 00 0f 0b c3 cc cc cc cc 48 c7 c7 90 3f 55 a6 c6 05 41 ef f6 01 01 e8 1c cb c0 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 68.856390] RSP: 0018:ffffb5844285fe48 EFLAGS: 00010286 # [ 68.862248] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000 # [ 68.870236] RDX: ffffa2edbbd2c660 RSI: ffffa2edbbd1bf70 RDI: ffffa2edbbd1bf70 # [ 68.878229] RBP: ffffffffa65f900b R08: 0000000000000000 R09: 0000000000000000 # [ 68.886222] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 68.894212] R13: ffffb5844285ff10 R14: ffffb5844285ff10 R15: ffffa2ed4611c000 # [ 68.902207] FS: 00007f829e1eb580(0000) GS:ffffa2edbbd00000(0000) knlGS:0000000000000000 # [ 68.911248] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 68.917669] CR2: 00007f829dff5000 CR3: 0000000105934000 CR4: 00000000003506e0 # [ 68.925639] Call Trace: # [ 68.928396] ? __warn+0x80/0x110 # [ 68.932017] ? refcount_warn_saturate+0xfb/0x110 # [ 68.937195] ? report_bug+0x9e/0xc0 # [ 68.941115] ? handle_bug+0x41/0x90 # [ 68.945030] ? exc_invalid_op+0x14/0x70 # [ 68.949330] ? asm_exc_invalid_op+0x12/0x20 # [ 68.954025] ? refcount_warn_saturate+0xfb/0x110 # [ 68.959199] ? refcount_warn_saturate+0xfb/0x110 # [ 68.964379] lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x61 # [ 68.969748] direct_entry.cold+0x2c/0x38 # [ 68.974142] full_proxy_write+0x56/0x80 # [ 68.978450] vfs_write+0xea/0x3b0 # [ 68.982173] ksys_write+0x68/0xf0 # [ 68.985904] do_syscall_64+0x33/0x40 # [ 68.989918] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 68.995571] RIP: 0033:0x7f829e101473 # [ 68.999575] Code: 8b 15 21 2a 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 # [ 69.020546] RSP: 002b:00007ffe54aa1058 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 69.035191] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f829e101473 # [ 69.043167] RDX: 0000000000000016 RSI: 00007f829dff5000 RDI: 0000000000000001 # [ 69.051142] RBP: 00007f829dff5000 R08: 00007f829dff4010 R09: 0000000000000000 # [ 69.059111] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 69.067084] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 69.075121] irq event stamp: 0 # [ 69.084800] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 69.091831] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 69.100974] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 69.110115] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 69.117129] ---[ end trace f26eca5477602e4f ]--- # [ 69.122299] 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 # [ 69.470524] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE # [ 69.482488] lkdtm: attempting bad refcount_dec_and_test() below zero # [ 69.489620] ------------[ cut here ]------------ # [ 69.494789] refcount_t: underflow; use-after-free. # [ 69.500209] WARNING: CPU: 2 PID: 2161 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 69.509653] Modules linked in: fuse ip_tables cros_ec_sysfs cros_usbpd_charger uvcvideo cros_ec_lightbar cros_ec_chardev videobuf2_vmalloc videobuf2_memops cros_usbpd_logger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a snd_soc_core cros_usbpd_noti[ 73.353808] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED [ 73.366219] lkdtm: attempting bad refcount_dec() from saturated [ 73.372861] ------------[ cut here ]------------ [ 73.378041] refcount_t: decrement hit 0; leaking memory. [ 73.384052] WARNING: CPU: 0 PID: 2330 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 fy i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_ps[ 73.393496] Modules linked in: fuse ip_tables cros_ec_sysfs cros_usbpd_charger uvcvideo cros_ec_lightbar cros_ec_chardev videobuf2_vmalloc videobuf2_memops cros_usbpd_logger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table [ 73.439413] CPU: 0 PID: 2330 Comm: cat Tainted: G D W 5.10.185-cip35 #1 [ 73.448092] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 73.454723] RIP: 0010:refcount_warn_saturate+0xfb/0x110 [ 73.460588] Code: c0 3f 55 a6 c6 05 5a ef f6 01 01 e8 36 cb c0 00 0f 0b c3 cc cc cc cc 48 c7 c7 90 3f 55 a6 c6 05 41 ef f6 01 01 e8 1c cb c0 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b [ 73.481583] RSP: 0018:ffffb58442b7fe48 EFLAGS: 00010286 [ 73.487444] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000 [ 73.495431] RDX: ffffa2edbbc2c660 RSI: ffffa2edbbc1bf70 RDI: ffffa2edbbc1bf70 [ 73.503432] RBP: ffffffffa65f905c R08: 0000000000000000 R09: 0000000000000000 [ 73.511429] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 [ 73.519422] R13: ffffb58442b7ff10 R14: ffffb58442b7ff10 R15: ffffa2ed458aa000 [ 73.527412] FS: 00007fdbe866f580(0000) GS:ffffa2edbbc00000(0000) knlGS:0000000000000000 tore coreboot_table # [ 69.555656] CPU: 2 PID: 2161 Comm: cat[ 73.536465] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 73.549102] CR2: 00007fdbe8479000 CR3: 0000000103cc8000 CR4: 00000000003506f0 [ 73.557089] Call Trace: [ 73.559857] ? __warn+0x80/0x110 [ 73.563486] ? refcount_warn_saturate+0xfb/0x110 [ 73.568685] ? report_bug+0x9e/0xc0 [ 73.572610] ? handle_bug+0x41/0x90 [ 73.576518] ? exc_invalid_op+0x14/0x70 [ 73.580830] ? asm_exc_invalid_op+0x12/0x20 [ 73.585533] ? refcount_warn_saturate+0xfb/0x110 [ 73.590719] ? refcount_warn_saturate+0xfb/0x110 [ 73.595900] lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5f [ 73.601376] direct_entry.cold+0x2c/0x38 [ 73.605784] full_proxy_write+0x56/0x80 [ 73.610092] vfs_write+0xea/0x3b0 [ 73.613821] ksys_write+0x68/0xf0 [ 73.617553] do_syscall_64+0x33/0x40 [ 73.621569] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 73.627233] RIP: 0033:0x7fdbe8585473 Tainted: G D W 5.10.185-cip35 #1 # [ 69.564328][ 73.631246] Code: 8b 15 21 2a 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 [ 73.658442] RSP: 002b:00007fff09868f48 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 73.666924] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007fdbe8585473 [ 73.674921] RDX: 0000000000000017 RSI: 00007fdbe8479000 RDI: 0000000000000001 [ 73.682913] RBP: 00007fdbe8479000 R08: 00007fdbe8478010 R09: 0000000000000000 [ 73.690901] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 73.698883] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 69.5[ 73.706921] irq event stamp: 0 70969] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 69.576[ 73.716591] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 73.729805] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 [ 73.738950] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 [ 73.748097] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 73.755105] ---[ end trace f26eca5477602e55 ]--- [ 73.760270] lkdtm: Saturation detected: still saturated 832] Code: 01 01 e8 80 cb c0 00 0f 0b c3 cc cc cc cc 80 3d 93 ef f6 01 00 75 85 48 c7 c7 68 3f 55 a6 c6 05 83 ef f6 01 01 e8 5d cb c0 00 <0f> 0b c3 cc cc cc cc 80 3d 6e ef f6 01 00 0f 85 5e ff ff ff 48 c7 # [ 69.597817] RSP: 0018:ffffb584428e7e40 EFLAGS: 00010286 # [ 69.603671] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000 # [ 69.611657] RDX: ffffa2edbbd2c660 RSI: ffffa2edbbd1bf70 RDI: ffffa2edbbd1bf70 # [ 69.619646] RBP: ffffffffa65f8c60 R08: 0000000000000000 R09: 0000000000000000 # [ 69.627626] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 69.635604] R13: ffffb584428e7f10 R14: ffffb584428e7f10 R15: ffffa2ed43c98000 # [ 69.643586] FS: 00007f4493683580(0000) GS:ffffa2edbbd00000(0000) knlGS:0000000000000000 # [ 69.652640] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 69.659066] CR2: 00007f449348d000 CR3: 0000000105b68000 CR4: 00000000003506e0 # [ 69.667044] Call Trace: # [ 69.669806] ? __warn+0x80/0x110 # [ 69.673434] ? refcount_warn_saturate+0xba/0x110 # [ 69.678602] ? report_bug+0x9e/0xc0 # [ 69.682523] ? handle_bug+0x41/0x90 # [ 69.692628] ? exc_invalid_op+0x14/0x70 # [ 69.696932] ? asm_exc_invalid_op+0x12/0x20 # [ 69.701627] ? refcount_warn_saturate+0xba/0x110 # [ 69.706803] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 69.712947] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x78 # [ 69.719181] direct_entry.cold+0x2c/0x38 # [ 69.723584] full_proxy_write+0x56/0x80 # [ 69.727895] vfs_write+0xea/0x3b0 # [ 69.731617] ksys_write+0x68/0xf0 # [ 69.735338] do_syscall_64+0x33/0x40 # [ 69.739347] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 69.745011] RIP: 0033:0x7f4493599473 # [ 69.749026] Code: 8b 15 21 2a 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 # [ 69.769991] RSP: 002b:00007ffe16f4e338 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 69.784638] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f4493599473 # [ 69.792612] RDX: 000000000000001f RSI: 00007f449348d000 RDI: 0000000000000001 # [ 69.800584] RBP: 00007f449348d000 R08: 00007f449348c010 R09: 0000000000000000 # [ 69.808555] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 69.816591] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 69.830781] irq event stamp: 0 # [ 69.834210] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 69.841223] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 69.850374] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 69.859512] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 69.866519] ---[ end trace f26eca5477602e50 ]--- # [ 69.871686] 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 # [ 70.227817] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE # [ 70.237833] lkdtm: attempting bad refcount_sub_and_test() below zero # [ 70.244965] ------------[ cut here ]------------ # [ 70.250137] refcount_t: underflow; use-after-free. # [ 70.255556] WARNING: CPU: 2 PID: 2196 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 70.271180] Modules linked in: fuse ip_tables cros_ec_sysfs cros_usbpd_charger uvcvideo cros_ec_lightbar cros_ec_chardev videobuf2_vmalloc videobuf2_memops cros_usbpd_logger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common [ 74.127667] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED snd_soc_da7219 snd_soc_max98357a snd_soc_core cros_usbpd_notify [ 74.139113] lkdtm: attempting bad refcount_dec() from saturated i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstor[ 74.151987] ------------[ cut here ]------------ e coreboot_table # [ 70.317113] CPU: 2 PID: 2196 Comm: cat Ta[ 74.163362] refcount_t: saturated; leaking memory. inted: G D W 5.10.185-cip35 #1 # [ 70.325770] Ha[ 74.174965] WARNING: CPU: 3 PID: 2365 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 rdware name: Google Coral/Coral, BIOS 09/29/2020 # [ 70.3323[ 74.190550] Modules linked in: fuse ip_tables cros_ec_sysfs cros_usbpd_charger uvcvideo cros_ec_lightbar cros_ec_chardev videobuf2_vmalloc videobuf2_memops cros_usbpd_logger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table 94] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 70.338248[ 74.236529] CPU: 3 PID: 2365 Comm: cat Tainted: G D W 5.10.185-cip35 #1 ] Code: 01 01 e8 80 cb c0 00 0f 0b c3 cc cc cc cc 80 3d 93 ef f6[ 74.251375] Hardware name: Google Coral/Coral, BIOS 09/29/2020 01 00 75 85 48 c7 c7 68 3f 55 a6 c6 05 83 ef f6 01 01 e8 5d cb [ 74.264169] RIP: 0010:refcount_warn_saturate+0x51/0x110 c0 00 <0f> 0b c3 cc cc cc cc 80 3d 6e ef f6 01 00 0f 85 5e ff ff[ 74.276205] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d fe ef f6 01 00 75 ee 48 c7 c7 10 3f 55 a6 c6 05 ee ef f6 01 01 e8 c6 cb c0 00 <0f> 0b c3 cc cc cc cc 80 3d da ef f6 01 00 75 cb 48 c7 c7 38 3f 55 ff 48 c7 # [ 70.359214] RSP: 0018:ffffb5844296fe40 EFLAGS: 0[ 74.303384] RSP: 0018:ffffb58442c27e48 EFLAGS: 00010286 0010286 # [ 70.365069] RAX: 0000000000000000 RBX: 00000000000[ 74.315444] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000 00032 RCX: 0000000000000000 # [ 70.373036] RDX: ffffa2edbbd2c[ 74.329596] RDX: ffffa2edbbdac660 RSI: ffffa2edbbd9bf70 RDI: ffffa2edbbd9bf70 660 RSI: ffffa2edbbd1bf70 RDI: ffffa2edbbd1bf70 # [ 70.381018[ 74.343795] RBP: ffffffffa65f9073 R08: 0000000000000000 R09: 0000000000000000 ] RBP: ffffffffa65f8c80 R08: 0000000000000000 R09: 0000000000000[ 74.357961] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 000 # [ 70.388993] R10: 00000000ffffe000 R11: 3ffffffffffffff[ 74.372155] R13: ffffb58442c27f10 R14: ffffb58442c27f10 R15: ffffa2ed46228000 f R12: 000000000000001f # [ 70.396982] R13: ffffb5844296ff10 [ 74.386318] FS: 00007f7a4fe4d580(0000) GS:ffffa2edbbd80000(0000) knlGS:0000000000000000 R14: ffffb5844296ff10 R15: ffffa2ed46229000 # [ 70.404975] FS[ 74.401599] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 : 00007f28ddfb1580(0000) GS:ffffa2edbbd00000(0000) knlGS:000000[ 74.414277] CR2: 00007f7a4fc57000 CR3: 000000010629e000 CR4: 00000000003506e0 0000000000 # [ 70.414026] CS: 0010 DS: 0000 ES: 0000 CR0: 00[ 74.428642] Call Trace: 00000080050033 # [ 70.420454] CR2: 00007f28dddbb000 CR3: 0000[ 74.437549] ? __warn+0x80/0x110 00010474e000 CR4: 00000000003506e0 # [ 70.428432] Call Trace:[ 74.447214] ? refcount_warn_saturate+0x51/0x110 # [ 70.431194] ? __warn+0x80/0x110 # [ 70.434824] ? ref[ 74.458589] ? report_bug+0x9e/0xc0 count_warn_saturate+0xba/0x110 # [ 70.440007] ? report_bug+0[ 74.468678] ? handle_bug+0x41/0x90 x9e/0xc0 # [ 70.443935] ? handle_bug+0x41/0x90 # [ 70.447[ 74.478784] ? exc_invalid_op+0x14/0x70 856] ? exc_invalid_op+0x14/0x70 # [ 70.452162] ? asm_exc_in[ 74.489254] ? asm_exc_invalid_op+0x12/0x20 valid_op+0x12/0x20 # [ 70.456868] ? refcount_warn_saturate+0[ 74.500162] ? refcount_warn_saturate+0x51/0x110 xba/0x110 # [ 70.462046] __refcount_sub_and_test.constprop.0[ 74.511510] ? refcount_warn_saturate+0x51/0x110 +0x3c/0x50 # [ 70.468190] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATI[ 74.522866] lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x64 VE+0x3e/0x7b # [ 70.474437] direct_entry.cold+0x2c/0x38 # [[ 74.534523] direct_entry.cold+0x2c/0x38 70.478842] full_proxy_write+0x56/0x80 # [ 70.483151] vfs[ 74.545236] full_proxy_write+0x56/0x80 _write+0xea/0x3b0 # [ 70.486885] ksys_write+0x68/0xf0 # [ [ 74.555585] vfs_write+0xea/0x3b0 70.490618] do_syscall_64+0x33/0x40 # [ 70.494634] entry_SY[ 74.565654] ksys_write+0x68/0xf0 SCALL_64_after_hwframe+0x61/0xc6 # [ 70.500296] RIP: 0033:0x7[ 74.575464] do_syscall_64+0x33/0x40 f28ddec7473 # [ 70.504317] Code: 8b 15 21 2a 0e 00 f7 d8 64 8[ 74.585685] entry_SYSCALL_64_after_hwframe+0x61/0xc6 9 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00[ 74.597477] RIP: 0033:0x7f7a4fd63473 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0[ 74.607731] Code: 8b 15 21 2a 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 f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 70.531489] RSP: 002[ 74.634825] RSP: 002b:00007ffe9c0ff498 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 b:00007ffd283b83e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 74.649484] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f7a4fd63473 # [ 70.546163] RAX: ffffffffffffffda RBX: 000000000000001f RCX[ 74.663648] RDX: 0000000000000017 RSI: 00007f7a4fc57000 RDI: 0000000000000001 : 00007f28ddec7473 # [ 70.554151] RDX: 000000000000001f RSI: [ 74.677881] RBP: 00007f7a4fc57000 R08: 00007f7a4fc56010 R09: 0000000000000000 00007f28dddbb000 RDI: 0000000000000001 # [ 70.562137] RBP: 00[ 74.692003] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 007f28dddbb000 R08: 00007f28dddba010 R09: 0000000000000000 # [ [ 74.706199] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 70.570131] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 00[ 74.720341] irq event stamp: 0 00000000000001 # [ 70.578117] R13: 0000000000000001 R14: 0000[ 74.729958] hardirqs last enabled at (0): [<0000000000000000>] 0x0 000000020000 R15: 0000000000020000 # [ 70.586114] irq event s[ 74.743115] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 tamp: 0 # [ 70.589549] hardirqs last enabled at (0): [<00000[ 74.758553] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 00000000000>] 0x0 # [ 70.596575] hardirqs last disabled at (0[ 74.773878] softirqs last disabled at (0): [<0000000000000000>] 0x0 ): [] copy_process+0x664/0x1c60 # [ 70.6057[ 74.787103] ---[ end trace f26eca5477602e56 ]--- 20] softirqs last enabled at (0): [] copy_pro[ 74.798481] lkdtm: Saturation detected: still saturated cess+0x664/0x1c60 # [ 70.614865] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 70.628057] ---[ end trace f26eca5477602e51 ]--- # [ 70.639413] lkdtm: Negative detected: saturated # REFCOUNT_SUB_AND_TEST_NEGATIVE: saw 'Negative detected: saturated': ok ok 49 selftests: lkdtm: REFCOUNT_SUB_AND_TEST_NEGATIVE.sh # selftests: lkdtm: REFCOUNT_INC_ZERO.sh # [ 70.993063] lkdtm: Performing direct entry REFCOUNT_INC_ZERO # [ 71.004210] lkdtm: attempting safe refcount_inc_not_zero() from zero # [ 71.011338] lkdtm: Good: zero detected # [ 71.015545] lkdtm: Correctly stayed at zero # [ 71.020215] lkdtm: attempting bad refcount_inc() from zero # [ 71.026357] ------------[ cut here ]------------ # [ 71.031519] refcount_t: addition on 0; use-after-free. # [ 71.037320] WARNING: CPU: 2 PID: 2228 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 # [ 71.046759] Modules linked in: fuse ip_tables cros_ec_sysfs cros_usbpd_charger uvcvideo cros_ec_lightbar cros_ec_chardev videobuf2_vmalloc videobuf2_memops cros_usbpd_logger cros_ec_debugfs[ 74.912875] PDLOG 2023/06/21 18:31:34.405 P0 SNK (not charging) Charger ??? 5000mV max 5000mV / 500mA videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_[ 74.926936] PDLOG 2023/06/21 18:31:34.405 P1 Disconnected common snd_soc_da7219 snd_soc_max98357a snd_soc_core cros_usbpd_[ 74.938728] PDLOG 2023/06/21 18:31:34.439 P1 SNK (not charging) Charger ??? 5000mV max 5000mV / 3000mA notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeo[ 74.955422] PDLOG 2023/06/21 18:31:34.473 P0 SNK (not charging) Charger ??? 5000mV max 5000mV / 1500mA s_pstore coreboot_table # [ 71.092724] CPU: 2 PID: 2228 Comm:[ 74.971982] PDLOG 2023/06/21 18:31:34.568 P1 SNK Charger ??? 5050mV max 15000mV / 3000mA cat Tainted: G D W 5.10.185-cip35 #1 # [ 71.101[ 74.987204] PDLOG 2023/06/21 18:31:34.684 P1 SNK Charger ??? 5129mV max 5000mV / 3000mA 377] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ [ 75.002434] PDLOG 2023/06/21 18:31:34.708 P0 SNK (not charging) Charger ??? 5000mV max 5000mV / 1500mA 71.107996] RIP: 0010:refcount_warn_saturate+0x74/0x110 # [ 71[ 75.018930] PDLOG 2023/06/21 18:31:34.865 P1 SNK Charger ??? 15068mV max 15000mV / 3000mA .113843] Code: 01 01 e8 c6 cb c0 00 0f 0b c3 cc cc cc cc 80 3d d[ 75.034349] PDLOG 2023/06/21 18:31:37.575 P1 SNK Charger PD 15068mV max 15000mV / 3000mA a ef f6 01 00 75 cb 48 c7 c7 38 3f 55 a6 c6 05 ca ef f6 01 01 e8 a3 cb c0 00 <0f> 0b c3 cc cc cc cc 80 3d b9 ef f6 01 00 75 a8 48 c7 c7 10 3f 55 # [ 71.134806] RSP: 0018:ffffb584429e7e48 EFLAGS: 00010286 # [ 71.140656] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000 # [ 71.148636] RDX: ffffa2edbbd2c660 RSI: ffffa2edbbd1bf70 RDI: ffffa2edbbd1bf70 # [ 71.156617] RBP: ffffffffa65f9021 R08: 0000000000000000 R09: 0000000000000000 # [ 71.164589] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 71.172561] R13: ffffb584429e7f10 R14: ffffb584429e7f10 R15: ffffa2ed426f1000 # [ 71.180532] FS: 00007f3a06b6e580(0000) GS:ffffa2edbbd00000(0000) knlGS:0000000000000000 # [ 71.189569] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 71.195991] CR2: 00007f3a06978000 CR3: 00000001032c8000 CR4: 00000000003506e0 # [ 71.203966] Call Trace: # [ 71.206722] ? __warn+0x80/0x110 # [ 71.210343] ? refcount_warn_saturate+0x74/0x110 # [ 71.215511] ? report_bug+0x9e/0xc0 # [ 71.219425] ? handle_bug+0x41/0x90 # [ 71.223336] ? exc_invalid_op+0x14/0x70 # [ 71.227639] ? asm_exc_invalid_op+0x12/0x20 # [ 71.232335] ? refcount_warn_saturate+0x74/0x110 # [ 71.237510] ? refcount_warn_saturate+0x74/0x110 # [ 71.242681] lkdtm_REFCOUNT_INC_ZERO+0x99/0xc1 # [ 71.247663] direct_entry.cold+0x2c/0x38 # [ 71.252063] full_proxy_write+0x56/0x80 # [ 71.256365] vfs_write+0xea/0x3b0 # [ 71.260076] ksys_write+0x68/0xf0 # [ 71.263800] do_syscall_64+0x33/0x40 # [ 71.267804] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 71.279640] RIP: 0033:0x7f3a06a84473 # [[ 75.207952] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED 71.289829] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff[ 75.217964] lkdtm: attempting bad refcount_inc_not_zero() from saturated ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 [ 75.231635] ------------[ cut here ]------------ 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83[ 75.242987] refcount_t: saturated; leaking memory. ec 28 48 89 54 24 18 # [ 71.317009] RSP: 002b:00007ffd958802[ 75.254658] WARNING: CPU: 3 PID: 2397 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 48 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 71.325475][ 75.270227] Modules linked in: fuse ip_tables cros_ec_sysfs cros_usbpd_charger uvcvideo cros_ec_lightbar cros_ec_chardev videobuf2_vmalloc videobuf2_memops cros_usbpd_logger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f3a06a844[ 75.316046] CPU: 3 PID: 2397 Comm: cat Tainted: G D W 5.10.185-cip35 #1 73 # [ 71.333448] RDX: 0000000000000012 RSI: 00007f3a06978000[ 75.330885] Hardware name: Google Coral/Coral, BIOS 09/29/2020 RDI: 0000000000000001 # [ 71.341475] RBP: 00007f3a06978000 R[ 75.343691] RIP: 0010:refcount_warn_saturate+0x97/0x110 08: 00007f3a06977010 R09: 0000000000000000 # [ 71.355662] R10[ 75.355721] Code: 01 01 e8 a3 cb c0 00 0f 0b c3 cc cc cc cc 80 3d b9 ef f6 01 00 75 a8 48 c7 c7 10 3f 55 a6 c6 05 a9 ef f6 01 01 e8 80 cb c0 00 <0f> 0b c3 cc cc cc cc 80 3d 93 ef f6 01 00 75 85 48 c7 c7 68 3f 55 : fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 75.382870] RSP: 0018:ffffb58442c97e38 EFLAGS: 00010282 # [ 71.369824] R13: 0000000000000001 R14: 0000000000020000 R15[ 75.394899] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 : 0000000000020000 # [ 71.377806] irq event stamp: 0 # [ 7[ 75.409055] RDX: ffffa2edbbdac660 RSI: ffffa2edbbd9bf70 RDI: ffffa2edbbd9bf70 1.381218] hardirqs last enabled at (0): [<0000000000000000>] 0x[ 75.423234] RBP: ffffffffa65f8ca0 R08: 0000000000000000 R09: 0000000000000000 0 # [ 71.388225] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 71.397367] softirqs las[ 75.451580] R13: ffffb58442c97f10 R14: ffffb58442c97f10 R15: ffffa2ed43421000 t enabled at (0): [] copy_process+0x664/0x1c6[ 75.465723] FS: 00007f4dc42a6580(0000) GS:ffffa2edbbd80000(0000) knlGS:0000000000000000 0 # [ 71.406501] softirqs last disabled at (0): [<00000000000[ 75.480974] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 00000>] 0x0 # [ 71.413503] ---[ end trace f26eca5477602e52 ]-[ 75.493567] CR2: 00007f4dc40b0000 CR3: 00000001041b6000 CR4: 00000000003506e0 -- # [ 71.418667] lkdtm: Zero detected: saturated # REFCOUNT[ 75.507816] Call Trace: _INC_ZERO: saw 'call trace:': ok ok 50 selftests: lkdtm: REFCOU[ 75.517016] ? __warn+0x80/0x110 NT_INC_ZERO.sh # selftests: lkdtm: REFCOUNT_ADD_ZERO.sh # [ [ 75.526559] ? refcount_warn_saturate+0x97/0x110 71.780803] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO # [[ 75.538074] ? report_bug+0x9e/0xc0 71.789305] lkdtm: attempting safe refcount_add_not_zero() fro[ 75.548165] ? handle_bug+0x41/0x90 m zero # [ 71.796427] lkdtm: Good: zero detected # [ 71.80[ 75.558210] ? exc_invalid_op+0x14/0x70 0624] lkdtm: Correctly stayed at zero # [ 71.805300] lkdtm: a[ 75.568661] ? asm_exc_invalid_op+0x12/0x20 ttempting bad refcount_add() from zero # [ 71.811431] -------[ 75.579551] ? refcount_warn_saturate+0x97/0x110 -----[ cut here ]------------ # [ 71.816589] refcount_t: addi[ 75.590860] ? refcount_warn_saturate+0x97/0x110 tion on 0; use-after-free. # [ 71.822392] WARNING: CPU: 2 PID[ 75.602264] __refcount_add_not_zero.constprop.0+0x2a/0x35 : 2260 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 #[ 75.614535] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x76 [ 71.831812] Modules linked in: fuse ip_tables cros_ec_sysfs [ 75.627082] direct_entry.cold+0x2c/0x38 cros_usbpd_charger uvcvideo cros_ec_lightbar cros_ec_chardev vid[ 75.637621] full_proxy_write+0x56/0x80 eobuf2_vmalloc videobuf2_memops cros_usbpd_logger cros_ec_debugf[ 75.648146] vfs_write+0xea/0x3b0 s videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2[ 75.658007] ksys_write+0x68/0xf0 _common snd_soc_da7219 snd_soc_max98357a snd_soc_core cros_usbpd[ 75.667953] do_syscall_64+0x33/0x40 _notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chrome[ 75.678095] entry_SYSCALL_64_after_hwframe+0x61/0xc6 os_pstore coreboot_table # [ 71.877763] CPU: 2 PID: 2260 Comm[ 75.689968] RIP: 0033:0x7f4dc41bc473 : cat Tainted: G D W 5.10.185-cip35 #1 # [ 71.88[ 75.700117] Code: 8b 15 21 2a 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 6413] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ [ 75.727278] RSP: 002b:00007ffe448be148 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 71.893037] RIP: 0010:refcount_warn_saturate+0x74/0x110 # [ 7[ 75.741897] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f4dc41bc473 1.898885] Code: 01 01 e8 c6 cb c0 00 0f 0b c3 cc cc cc cc 80 3d [ 75.756078] RDX: 0000000000000020 RSI: 00007f4dc40b0000 RDI: 0000000000000001 da ef f6 01 00 75 cb 48 c7 c7 38 3f 55 a6 c6 05 ca ef f6 01 01 e[ 75.770233] RBP: 00007f4dc40b0000 R08: 00007f4dc40af010 R09: 0000000000000000 8 a3 cb c0 00 <0f> 0b c3 cc cc cc cc 80 3d b9 ef f6 01 00 75 a8 [ 75.784415] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 48 c7 c7 10 3f 55 # [ 71.919846] RSP: 0018:ffffb58442a4fe48 E[ 75.798546] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 FLAGS: 00010286 # [ 71.925691] RAX: 0000000000000000 RBX: 000[ 75.812733] irq event stamp: 0 0000000000034 RCX: 0000000000000000 # [ 71.933670] RDX: ffffa[ 75.822294] hardirqs last enabled at (0): [<0000000000000000>] 0x0 2edbbd2c660 RSI: ffffa2edbbd1bf70 RDI: ffffa2edbbd1bf70 # [ 7[ 75.835647] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 1.941641] RBP: ffffffffa65f9033 R08: 0000000000000000 R09: 00000[ 75.850930] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 00000000000 # [ 71.949612] R10: 00000000ffffe000 R11: 3ffffff[ 75.866242] softirqs last disabled at (0): [<0000000000000000>] 0x0 fffffffff R12: 0000000000000012 # [ 71.957588] R13: ffffb5844[ 75.879448] ---[ end trace f26eca5477602e57 ]--- 2a4ff10 R14: ffffb58442a4ff10 R15: ffffa2ed429aa000 # [ 71.96[ 75.890712] lkdtm: Saturation detected: still saturated 5560] FS: 00007fdc8551b580(0000) GS:ffffa2edbbd00000(0000) knlGS:0000000000000000 # [ 71.974604] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 71.981028] CR2: 00007fdc85325000 CR3: 00000001058d0000 CR4: 00000000003506e0 # [ 71.988998] Call Trace: # [ 71.991762] ? __warn+0x80/0x110 # [ 71.995381] ? refcount_warn_saturate+0x74/0x110 # [ 72.000545] ? report_bug+0x9e/0xc0 # [ 72.004457] ? handle_bug+0x41/0x90 # [ 72.008367] ? exc_invalid_op+0x14/0x70 # [ 72.012666] ? asm_exc_invalid_op+0x12/0x20 # [ 72.017366] ? refcount_warn_saturate+0x74/0x110 # [ 72.022518] ? refcount_warn_saturate+0x74/0x110 # [ 72.027688] lkdtm_REFCOUNT_ADD_ZERO+0x99/0xc1 # [ 72.032662] direct_entry.cold+0x2c/0x38 # [ 72.037058] full_proxy_write+0x56/0x80 # [ 72.041366] vfs_write+0xea/0x3b0 # [ 72.045076] ksys_write+0x68/0xf0 # [ 72.048802] do_syscall_64+0x33/0x40 # [ 72.052831] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 72.064679] RIP: 0033:0x7fdc85431473 # [ 72.074864] Code: 8b 15 21 2a 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 # [ 72.102014] RSP: 002b:00007ffe47842978 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 72.110476] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fdc85431473 # [ 72.118451] RDX: 0000000000000012 RSI: 00007fdc85325000 RDI: 0000000000000001 # [ 72.126437] RBP: 00007fdc85325000 R08: 00007fdc85324010 R09: 0000000000000000 # [ 72.134423] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 72.142405] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 72.156571] irq event stamp: 0 # [ 72.159993] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 72.167005] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 72.176145] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 72.185288] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 72.192297] ---[ end trace f26eca5477602e53 ]--- # [ 72.197472] 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 # [ 72.570204] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED # [ 72.581301] lkdtm: attempting bad refcount_inc() from saturated # [ 72.587948] ------------[ cut here ]------------ # [ 72.593108] refcount_t: saturated; leaking memory. # [ 72.598513] WARNING: CPU: 0 PID: 2295 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 72.614126] Modules linked in: fuse ip_tables cros_ec_sysfs cros_usbpd_charger uvcvideo cros_ec_lightbar cros_ec_chardev videobuf2_vmalloc videobuf2_memops cros_usbpd_logger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 72.660140] CPU: 0 PID: 2295 Comm: cat Tainted: G D W 5.10.185-cip35 #1 # [ 72.668810] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 72.675445] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 72.681299] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d fe ef f6 01 00 75 ee 48 c7 c7 10 3f 55 a6 c6 05 ee ef f6 01 01 e8 c6 cb c0 00 <0f> 0b c3 cc cc cc cc 80 3d da ef f6 01 00 75 cb 48 c7 c7 38 3f 55 # [ 72.702285] RSP: 0018:ffffb58442b07e48 EFLAGS: 00010286 # [ 72.708142] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000 # [ 72.716128] RDX: ffffa2edbbc2c660 RSI: ffffa2edbbc1bf70 RDI: ffffa2edbbc1bf70 # [ 72.724113] RBP: ffffffffa65f9045 R08: 0000000000000000 R09: 0000000000000000 # [ 72.732102] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001[ 76.285486] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED [ 76.294934] lkdtm: attempting bad refcount_add_not_zero() from saturated 7 # [ 72.740080] R13: ffffb58442b07f10 R14: ffffb58442b07f10 [ 76.302453] ------------[ cut here ]------------ [ 76.313827] refcount_t: saturated; leaking memory. R15: ffffa2ed44806000 # [ 72.748063] FS: 00007f42de327580(00[ 76.319244] WARNING: CPU: 2 PID: 2429 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 00) GS:ffffa2edbbc00000(0000) knlGS:0000000000000000 # [ 72.7[ 76.334881] Modules linked in: fuse ip_tables cros_ec_sysfs cros_usbpd_charger uvcvideo cros_ec_lightbar cros_ec_chardev videobuf2_vmalloc videobuf2_memops cros_usbpd_logger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table [ 76.380799] CPU: 2 PID: 2429 Comm: cat Tainted: G D W 5.10.185-cip35 #1 57116] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ [ 76.389458] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 76.402292] RIP: 0010:refcount_warn_saturate+0x97/0x110 [ 76.408137] Code: 01 01 e8 a3 cb c0 00 0f 0b c3 cc cc cc cc 80 3d b9 ef f6 01 00 75 a8 48 c7 c7 10 3f 55 a6 c6 05 a9 ef f6 01 01 e8 80 cb c0 00 <0f> 0b c3 cc cc cc cc 80 3d 93 ef f6 01 00 75 85 48 c7 c7 68 3f 55 [ 76.429116] RSP: 0018:ffffb58442d27e38 EFLAGS: 00010282 [ 76.434968] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 [ 76.442947] RDX: ffffa2edbbd2c660 RSI: ffffa2edbbd1bf70 RDI: ffffa2edbbd1bf70 [ 76.450928] RBP: ffffffffa65f8cc0 R08: 0000000000000000 R09: 0000000000000000 [ 76.458905] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 [ 76.466881] R13: ffffb58442d27f10 R14: ffffb58442d27f10 R15: ffffa2ed45a69000 [ 76.474857] FS: 00007f8498ac9580(0000) GS:ffffa2edbbd00000(0000) knlGS:0000000000000000 [ 76.483912] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 76.490346] CR2: 00007f84988d3000 CR3: 000000010480a000 CR4: 00000000003506e0 [ 76.498331] Call Trace: [ 76.501096] ? __warn+0x80/0x110 [ 76.504720] ? refcount_warn_saturate+0x97/0x110 [ 76.509895] ? report_bug+0x9e/0xc0 [ 76.513809] ? handle_bug+0x41/0x90 [ 76.517724] ? exc_invalid_op+0x14/0x70 [ 76.522025] ? asm_exc_invalid_op+0x12/0x20 [ 76.526723] ? refcount_warn_saturate+0x97/0x110 [ 76.531896] ? refcount_warn_saturate+0x97/0x110 [ 76.537076] __refcount_add_not_zero.constprop.0+0x2a/0x35 [ 76.543217] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x76 [ 76.549555] direct_entry.cold+0x2c/0x38 [ 76.553961] full_proxy_write+0x56/0x80 72.763539] CR2: 00007f42de131000 CR3: 0000000102a74000 CR4: 0000[ 76.558274] vfs_write+0xea/0x3b0 0000003506f0 # [ 72.771517] Call Trace: # [ 72.774281] ? [ 76.568169] ksys_write+0x68/0xf0 __warn+0x80/0x110 # [ 72.777910] ? refcount_warn_saturate+0x[ 76.578079] do_syscall_64+0x33/0x40 [ 76.588268] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 76.593925] RIP: 0033:0x7f84989df473 [ 76.597938] Code: 8b 15 21 2a 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 [ 76.618934] RSP: 002b:00007fff2e739758 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 51/0x110 # [ 72.783089] ? report_bug+0x9e/0xc0 # [ 72.787[ 76.627449] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f84989df473 [ 76.641554] RDX: 0000000000000020 RSI: 00007f84988d3000 RDI: 0000000000000001 [ 76.649532] RBP: 00007f84988d3000 R08: 00007f84988d2010 R09: 0000000000000000 024] ? handle_bug+0x41/0x90 # [ 72.790937] ? exc_invalid_op[ 76.657512] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 76.671676] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 76.679660] irq event stamp: 0 [ 76.683089] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 76.690103] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 [ 76.699243] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 [ 76.708387] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 76.715392] ---[ end trace f26eca5477602e58 ]--- [ 76.720557] lkdtm: Saturation detected: still saturated +0x14/0x70 # [ 72.795237] ? asm_exc_invalid_op+0x12/0x20 # [ 72.799939] ? refcount_warn_saturate+0x51/0x110 # [ 72.805120] ? refcount_warn_saturate+0x51/0x110 # [ 72.810299] lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x64 # [ 72.815776] direct_entry.cold+0x2c/0x38 # [ 72.820181] full_proxy_write+0x56/0x80 # [ 72.824486] vfs_write+0xea/0x3b0 # [ 72.828206] ksys_write+0x68/0xf0 # [ 72.831936] do_syscall_64+0x33/0x40 # [ 72.835949] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 72.841618] RIP: 0033:0x7f42de23d473 # [ 72.845634] Code: 8b 15 21 2a 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 # [ 72.872810] RSP: 002b:00007fff31dcdad8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 72.887501] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f42de23d473 # [ 72.901697] RDX: 0000000000000017 RSI: 00007f42de131000 RDI: 0000000000000001 # [ 72.909689] RBP: 00007f42de131000 R08: 00007f42de130010 R09: 0000000000000000 # [ 72.917680] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 72.925662] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 72.933665] irq event stamp: 0 # [ 72.937097] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 72.944127] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 72.953288] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 72.962452] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 72.975682] ---[ end trace f26eca5477602e54 ]--- # [ 72.980858] lkdtm: Saturation detected: still saturated # REFCOUNT_INC_SATURATED: saw 'Saturation detected: still saturated': ok ok 52 selftests: lkdtm: REFCOUNT_INC_SATURATED.sh # selftests: lkdtm: REFCOUNT_DEC_SATURATED.sh # [ 73.353808] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED # [ 73.366219] lkdtm: attempting bad refcount_dec() from saturated # [ 73.372861] ------------[ cut here ]------------ # [ 73.378041] refcount_t: decrement hit 0; leaking memory. # [ 73.384052] WARNING: CPU: 0 PID: 2330 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 73.393496] Modules linked in: fuse ip_tables cros_ec_sysfs cros_usbpd_charger uvcvideo cros_ec_lightbar cros_ec_chardev videobuf2_vmalloc videobuf2_memops cros_usbpd_logger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 73.439413] CPU: 0 PID: 2330 Comm: cat Tainted: G D W 5.10.185-cip35 #1 # [ 73.448092] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 73.454723] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 73.460588] Code: c0 3f 55 a6 c6 05 5a ef f6 01 01 e8 36 cb c0 00 0f 0b c3 cc cc cc cc 48 c7 c7 90 3f 55 a6 c6 05 41 ef f6 01 01 e8 1c cb c0 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 73.481583] RSP: 0018:ffffb58442b7fe48 EFLAGS: 00010286 # [ 73.487444] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000 # [ 73.495431] RDX: ffffa2edbbc2c660 RSI: ffffa2edbbc1bf70 RDI: ffffa2edbbc1bf70 # [ 73.503432] RBP: ffffffffa65f905c R08: 0000000000000000 R09: 0000000000000000 # [ 73.511429] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 73.519422] R13: ffffb58442b7ff10 R14: ffffb58442b7ff10 R15: ffffa2ed458aa000 # [ 73.527412] FS: 00007fdbe866f580(0000) GS:ffffa2edbbc00000(0000) knlGS:0000000000000000 # [ 73.536465] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 73.549102] CR2: 00007fdbe8479000 CR3: 0000000103cc8000 CR4: 00000000003506f0 # [ 73.557089] Call Trace: # [ 73.559857] ? __warn+0x80/0x110 # [ 73.563486] ? refcount_warn_saturate+0xfb/0x110 # [ 73.568685] ? report[ 77.112805] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED [ 77.124729] lkdtm: attempting bad refcount_dec_and_test() from saturated [ 77.132252] ------------[ cut here ]------------ [ 77.137435] refcount_t: underflow; use-after-free. [ 77.142851] WARNING: CPU: 2 PID: 2464 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 _bug+0x9e/0xc0 # [ 73.572610] ? handle_bug+0x41/0x90 # [ [ 77.152286] Modules linked in: fuse ip_tables cros_ec_sysfs cros_usbpd_charger uvcvideo cros_ec_lightbar cros_ec_chardev videobuf2_vmalloc videobuf2_memops cros_usbpd_logger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table [ 77.198120] CPU: 2 PID: 2464 Comm: cat Tainted: G D W 5.10.185-cip35 #1 [ 77.206780] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 77.213406] RIP: 0010:refcount_warn_saturate+0xba/0x110 [ 77.219260] Code: 01 01 e8 80 cb c0 00 0f 0b c3 cc cc cc cc 80 3d 93 ef f6 01 00 75 85 48 c7 c7 68 3f 55 a6 c6 05 83 ef f6 01 01 e8 5d cb c0 00 <0f> 0b c3 cc cc cc cc 80 3d 6e ef f6 01 00 0f 85 5e ff ff ff 48 c7 [ 77.240222] RSP: 0018:ffffb58442da7e40 EFLAGS: 00010286 [ 77.246075] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000 [ 77.254053] RDX: ffffa2edbbd2c660 RSI: ffffa2edbbd1bf70 RDI: ffffa2edbbd1bf70 [ 77.262035] RBP: ffffffffa65f8ce0 R08: 0000000000000000 R09: 0000000000000000 [ 77.270004] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 [ 77.277982] R13: ffffb58442da7f10 R14: ffffb58442da7f10 R15: ffffa2ed46008000 [ 77.285960] FS: 00007f391340b580(0000) GS:ffffa2edbbd00000(0000) knlGS:0000000000000000 [ 77.295003] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 77.301435] CR2: 00007f3913215000 CR3: 00000001028f2000 CR4: 00000000003506e0 [ 77.309410] Call Trace: [ 77.312171] ? __warn+0x80/0x110 [ 77.315787] ? refcount_warn_saturate+0xba/0x110 [ 77.320960] ? report_bug+0x9e/0xc0 [ 77.324884] ? handle_bug+0x41/0x90 [ 77.328795] ? exc_invalid_op+0x14/0x70 [ 77.333098] ? asm_exc_invalid_op+0x12/0x20 [ 77.337794] ? refcount_warn_saturate+0xba/0x110 [ 77.342969] __refcount_sub_and_test.constprop.0+0x3c/0x50 [ 77.349119] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x76 [ 77.355459] direct_entry.cold+0x2c/0x38 [ 77.359862] full_proxy_write+0x56/0x80 [ 77.364165] vfs_write+0xea/0x3b0 [ 77.367891] ksys_write+0x68/0xf0 [ 77.371615] do_syscall_64+0x33/0x40 [ 77.375628] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 77.381287] RIP: 0033:0x7f3913321473 [ 77.385300] Code: 8b 15 21 2a 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 73.576518] ? exc_invalid_op+0x14/0x70 # [ 73.580830] ? asm_[ 77.406269] RSP: 002b:00007ffc2b985468 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 77.420913] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f3913321473 [ 77.428898] RDX: 0000000000000020 RSI: 00007f3913215000 RDI: 0000000000000001 [ 77.436876] RBP: 00007f3913215000 R08: 00007f3913214010 R09: 0000000000000000 [ 77.444850] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 77.452874] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 77.460888] irq event stamp: 0 [ 77.464321] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 77.471336] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 [ 77.480476] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 [ 77.489617] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 77.496626] ---[ end trace f26eca5477602e59 ]--- [ 77.501796] lkdtm: Saturation detected: still saturated exc_invalid_op+0x12/0x20 # [ 73.585533] ? refcount_warn_saturate+0xfb/0x110 # [ 73.590719] ? refcount_warn_saturate+0xfb/0x110 # [ 73.595900] lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5f # [ 73.601376] direct_entry.cold+0x2c/0x38 # [ 73.605784] full_proxy_write+0x56/0x80 # [ 73.610092] vfs_write+0xea/0x3b0 # [ 73.613821] ksys_write+0x68/0xf0 # [ 73.617553] do_syscall_64+0x33/0x40 # [ 73.621569] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 73.627233] RIP: 0033:0x7fdbe8585473 # [ 73.631246] Code: 8b 15 21 2a 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 # [ 73.658442] RSP: 002b:00007fff09868f48 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 73.666924] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007fdbe8585473 # [ 73.674921] RDX: 0000000000000017 RSI: 00007fdbe8479000 RDI: 0000000000000001 # [ 73.682913] RBP: 00007fdbe8479000 R08: 00007fdbe8478010 R09: 0000000000000000 # [ 73.690901] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 73.698883] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 73.706921] irq event stamp: 0 # [ 73.716591] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 73.729805] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 73.738950] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 73.748097] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 73.755105] ---[ end trace f26eca5477602e55 ]--- # [ 73.760270] lkdtm: Saturation detected: still saturated # REFCOUNT_DEC_SATURATED: saw 'Saturation detected: still saturated': ok ok 53 selftests: lkdtm: REFCOUNT_DEC_SATURATED.sh # selftests: lkdtm: REFCOUNT_ADD_SATURATED.sh # [ 74.127667] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED # [ 74.139113] lkdtm: attempting bad refcount_dec() from saturated # [ 74.151987] ------------[ cut here ]------------ # [ 74.163362] refcount_t: saturated; leaking memory. # [ 74.174965] WARNING: CPU: 3 PID: 2365 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 74.190550] Modules linked in: fuse ip_tables cros_ec_sysfs cros_usbpd_charger uvcvideo cros_ec_lightbar cros_ec_chardev videobuf2_vmalloc videobuf2_memops cros_usbpd_logger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 74.236529] CPU: 3 PID: 2365 Comm: cat Tainted: G D W 5.10.185-cip35 #1 # [ 74.251375] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 74.264169] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 74.276205] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d fe ef f6 01 00 75 ee 48 c7 c7 10 3f 55 a6 c6 05 ee ef f6 01 01 e8 c6 cb c0 00 <0f> 0b c3 cc cc cc cc 80 3d da ef f6 01 00 75 cb 48 c7 c7 38 3f 55 # [ 74.303384] RSP: 0018:ffffb58442c27e48 EFLAGS: 00010286 # [ 74.315444] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000 # [ 74.329596] RDX: ffffa2edbbdac660 RSI: ffffa2edbbd9bf70 RDI: ffffa2edbbd9bf70 # [ 74.343795] RBP: ffffffffa65f9073 R08: 0000000000000000 R09: 0000000000000000 # [ 74.357961] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 74.372155] R13: ffffb58442c27f10 R14: ffffb58442c27f10 R15: ffffa2ed46228000 # [ 74.386318] FS: 00007f7a4fe4d580(0000) GS:ffffa2edbbd80000(0000) knlGS:0000000000000000 # [ 74.401599] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 74.414277] CR2[ 77.868815] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED [ 77.881127] lkdtm: attempting bad refcount_sub_and_test() from saturated : 00007f7a4fc57000 CR3: 000000010629e000 CR4: 00000000003506e0 [ 77.888666] ------------[ cut here ]------------ # [ 74.428642] Call Trace: # [ 74.437549] ? __warn+0x80/0x[ 77.899965] refcount_t: underflow; use-after-free. 110 # [ 74.447214] ? refcount_warn_saturate+0x51/0x110 # [ [ 77.911563] WARNING: CPU: 1 PID: 2499 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 74.458589] ? report_bug+0x9e/0xc0 # [ 74.468678] ? handle[ 77.927152] Modules linked in: fuse ip_tables cros_ec_sysfs cros_usbpd_charger uvcvideo cros_ec_lightbar cros_ec_chardev videobuf2_vmalloc videobuf2_memops cros_usbpd_logger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table _bug+0x41/0x90 # [ 74.478784] ? exc_invalid_op+0x14/0x70 # [ 77.973027] CPU: 1 PID: 2499 Comm: cat Tainted: G D W 5.10.185-cip35 #1 [ 77.987875] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 77.994510] RIP: 0010:refcount_warn_saturate+0xba/0x110 [ 74.489254] ? asm_exc_invalid_op+0x12/0x20 # [ 74.500162][ 78.000369] Code: 01 01 e8 80 cb c0 00 0f 0b c3 cc cc cc cc 80 3d 93 ef f6 01 00 75 85 48 c7 c7 68 3f 55 a6 c6 05 83 ef f6 01 01 e8 5d cb c0 00 <0f> 0b c3 cc cc cc cc 80 3d 6e ef f6 01 00 0f 85 5e ff ff ff 48 c7 [ 78.027491] RSP: 0018:ffffb58442e07e40 EFLAGS: 00010286 [ 78.033338] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000 [ 78.041322] RDX: ffffa2edbbcac660 RSI: ffffa2edbbc9bf70 RDI: ffffa2edbbc9bf70 [ 78.049297] RBP: ffffffffa65f8d00 R08: 0000000000000000 R09: 0000000000000000 [ 78.057274] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 [ 78.065250] R13: ffffb58442e07f10 R14: ffffb58442e07f10 R15: ffffa2ed43f41000 [ 78.073226] FS: 00007f1a684e3580(0000) GS:ffffa2edbbc80000(0000) knlGS:0000000000000000 [ 78.082268] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 78.088694] CR2: 00007f1a682ed000 CR3: 00000001058ac000 CR4: 00000000003506e0 [ 78.096668] Call Trace: ? refcount_warn_saturate+0x51/0x110 # [ 74.511510] ? refco[ 78.099428] ? __warn+0x80/0x110 [ 78.109239] ? refcount_warn_saturate+0xba/0x110 unt_warn_saturate+0x51/0x110 # [ 74.522866] lkdtm_REFCOUNT_A[ 78.114418] ? report_bug+0x9e/0xc0 [ 78.124496] ? handle_bug+0x41/0x90 DD_SATURATED+0x3c/0x64 # [ 74.534523] direct_entry.cold+0x2c[ 78.128410] ? exc_invalid_op+0x14/0x70 [ 78.138880] ? asm_exc_invalid_op+0x12/0x20 [ 78.143574] ? refcount_warn_saturate+0xba/0x110 /0x38 # [ 74.545236] full_proxy_write+0x56/0x80 # [ 74.55[ 78.148750] __refcount_sub_and_test.constprop.0+0x3c/0x50 [ 78.161053] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x76 5585] vfs_write+0xea/0x3b0 # [ 74.565654] ksys_write+0x68/0[ 78.167406] direct_entry.cold+0x2c/0x38 xf0 # [ 74.575464] do_syscall_64+0x33/0x40 # [ 74.585685][ 78.177995] full_proxy_write+0x56/0x80 entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 74.597477] RIP[ 78.188461] vfs_write+0xea/0x3b0 : 0033:0x7f7a4fd63473 # [ 74.607731] Code: 8b 15 21 2a 0e 00 [ 78.198367] ksys_write+0x68/0xf0 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 1[ 78.208262] do_syscall_64+0x33/0x40 8 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff [ 78.218461] entry_SYSCALL_64_after_hwframe+0x61/0xc6 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 78.230299] RIP: 0033:0x7f1a683f9473 # [ 74.634825] RSP: 002b:00007ffe9c0ff498 EFLAGS: 00000246 ORI[ 78.239034] Code: 8b 15 21 2a 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 G_RAX: 0000000000000001 # [ 74.649484] RAX: ffffffffffffffda [ 78.266170] RSP: 002b:00007fff9e5217a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RBX: 0000000000000017 RCX: 00007f7a4fd63473 # [ 74.663648] RD[ 78.280798] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f1a683f9473 X: 0000000000000017 RSI: 00007f7a4fc57000 RDI: 0000000000000001 [ 78.294952] RDX: 0000000000000020 RSI: 00007f1a682ed000 RDI: 0000000000000001 # [ 74.677881] RBP: 00007f7a4fc57000 R08: 00007f7a4fc56010 R0[ 78.309110] RBP: 00007f1a682ed000 R08: 00007f1a682ec010 R09: 0000000000000000 9: 0000000000000000[ 78.323267] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 78.333071] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 74.692003] R10: fffffffffffffbc5 R11: 0000000000000246 R12[ 78.341231] irq event stamp: 0 : 0000000000000001 # [ 74.706199] R13: 0000000000000001 R14: [ 78.350829] hardirqs last enabled at (0): [<0000000000000000>] 0x0 0000000000020000 R15: 0000000000020000 # [ 74.720341] irq eve[ 78.364024] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 nt stamp: 0 # [ 74.729958] hardirqs last enabled at (0): [<0[ 78.379336] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 000000000000000>] 0x0 # [ 74.743115] hardirqs last disabled a[ 78.394662] softirqs last disabled at (0): [<0000000000000000>] 0x0 t (0): [] copy_process+0x664/0x1c60 # [ 74.[ 78.407857] ---[ end trace f26eca5477602e5a ]--- 758553] softirqs last enabled at (0): [] copy[ 78.419199] lkdtm: Saturation detected: still saturated _process+0x664/0x1c60 # [ 74.773878] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 74.787103] ---[ end trace f26eca5477602e56 ]--- # [ 74.798481] lkdtm: Saturation detected: still saturated # REFCOUNT_ADD_SATURATED: saw 'Saturation detected: still saturated': ok ok 54 selftests: lkdtm: REFCOUNT_ADD_SATURATED.sh # selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_SATURATED.sh # [ 75.207952] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED # [ 75.217964] lkdtm: attempting bad refcount_inc_not_zero() from saturated # [ 75.231635] ------------[ cut here ]------------ # [ 75.242987] refcount_t: saturated; leaking memory. # [ 75.254658] WARNING: CPU: 3 PID: 2397 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 75.270227] Modules linked in: fuse ip_tables cros_ec_sysfs cros_usbpd_charger uvcvideo cros_ec_lightbar cros_ec_chardev videobuf2_vmalloc videobuf2_memops cros_usbpd_logger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 75.316046] CPU: 3 PID: 2397 Comm: cat Tainted: G D W 5.10.185-cip35 #1 # [ 75.330885] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 75.343691] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 75.355721] Code: 01 01 e8 a3 cb c0 00 0f 0b c3 cc cc cc cc 80 3d b9 ef f6 01 00 75 a8 48 c7 c7 10 3f 55 a6 c6 05 a9 ef f6 01 01 e8 80 cb c0 00 <0f> 0b c3 cc cc cc cc 80 3d 93 ef f6 01 00 75 85 48 c7 c7 68 3f 55 # [ 75.382870] RSP: 0018:ffffb58442c97e38 EFLAGS: 00010282 # [ 75.394899] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 # [ 75.409055] RDX: ffffa2edbbdac660 RSI: ffffa2edbbd9bf70 RDI: ffffa2edbbd9bf70 # [ 75.423234] RBP: ffffffffa65f8ca0 R08: 0000000000000000 R09: 0000000000000000 # [ 75.437386] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 75.451580] R13: ffffb58442c97f10 R14: ffffb58442c97f10 R15: ffffa2ed43421000 # [ 75.465723] FS: 00007f4dc42a6580(0000) GS:ffffa2edbbd80000(0000) knlGS:0000000000000000 # [ 75.480974] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 75.493567] CR2: 00007f4dc40b0000 CR3: 00000001041b6000 CR4: 00000000003506e0 # [ 75.507816] Call Trace: # [ 75.517016] ? __warn+0x80/0x110 # [ 75.526559] ? refcount_warn_saturate+0x97/0x110 # [ 75.538074] ? report_bug+0x9e/0xc0 # [ 75.548165] ? handle_bug+0x41/0x90 # [ 75.558210] ? exc_invalid_op+0x14/0x70 # [ 75.568661] ? asm_exc_invalid_op+0x12/0x20 # [ 75.579551] ? refcount_warn_saturate+0x97/0x110 # [ 75.590860] ? refcount_warn_saturate+0x97/0x110 # [ 75.602264] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 75.614535] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x76 # [ 75.627082] direct_entry.cold+0x2c/0x38 # [ 75.637621] full_proxy_write+0x56/0x80 # [ 75.648146] vfs_write+0xea/0x3b0 # [ 75.658007] ksys_write+0x68/0xf0 # [ 75.667953] do_syscall_64+0x33/0x40 # [ 75.678095] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 75.689968] RIP: 0033:0x7f4dc41bc473 # [ 75.700117] Code: 8b 15 21 2a 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 # [ 75.727278] RSP: 002b:00007ffe448be148 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 75.741897] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f4dc41bc473 # [ 75.756078] RDX: 0000000000000020 RSI: 00007f4dc40b0000 RDI: 0000000000000001 # [ 75.770233] RBP: 00007f4dc40b0000 R08: 00007f4dc40af010 R09: 0000000000000000 # [ 75.784415] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 75.798546] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 75.812733] irq event stamp: 0 # [ 75.822294] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 75.835647] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 75.850930] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 75.866242] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 75.879448] ---[ end trace f26eca5477602e57 ]--- # [ 75.890712] lkdtm: Saturation detected: still saturated # REFCOUNT_INC_NOT_ZERO_SATURATED: saw 'call trace:': ok ok 55 selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_SATURATED.sh # selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_SATURATED.sh # [ 76.285486] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED # [ 76.294934] lkdtm: attempting bad refcount_add_not_zero() from saturated # [ 76.302453] ------------[ cut here ]------------ # [ 76.313827] refcount_t: saturated; leaking memory. # [ 76.319244] WARNING: CPU: 2 PID: 2429 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 76.334881] Modules linked in: fuse ip_tables cros_ec_sysfs cros_usbpd_charger uvcvideo cros_ec_lightbar cros_ec_chardev videobuf2_vmalloc videobuf2_memops cros_usbpd_logger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 76.380799] CPU: 2 PID: 2429 Comm: cat Tainted: G D W 5.10.185-cip35 #1 # [ 76.389458] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 76.402292] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 76.408137] Code: 01 01 e8 a3 cb c0 00 0f 0b c3 cc cc cc cc 80 3d b9 ef f6 01 00 75 a8 48 c7 c7 10 3f 55 a6 c6 05 a9 ef f6 01 01 e8 80 cb c0 00 <0f> 0b c3 cc cc cc cc 80 3d 93 ef f6 01 00 75 85 48 c7 c7 68 3f 55 # [ 76.429116] RSP: 0018:ffffb58442d27e38 EFLAGS: 00010282 # [ 76.434968] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 # [ 76.442947] RDX: ffffa2edbbd2c660 RSI: ffffa2edbbd1bf70 RDI: ffffa2edbbd1bf70 # [ 76.450928] RBP: ffffffffa65f8cc0 R08: 0000000000000000 R09: 0000000000000000 # [ 76.458905] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 76.466881] R13: ffffb58442d27f10 R14: ffffb58442d27f10 R15: ffffa2ed45a69000 # [ 76.474857] FS: 00007f8498ac9580(0000) GS:ffffa2edbbd00000(0000) knlGS:0000000000000000 # [ 76.483912] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000[ 79.054237] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO 080050033 # [ 76.490346] CR2: 00007f84988d3000 CR3: 000000010[ 79.064304] lkdtm: attempting good copy_to_user of correct size 480a000 CR4: 00000000003506e0 # [ 76.498331] Call Trace: # [[ 79.077136] lkdtm: attempting bad copy_to_user of too large size 76.501096] ? __warn+0x80/0x110 # [ 76.504720] ? refcount_warn_saturate+0x97/0x110 # [ 76.509895] ? report_bug+0x9e/0xc0 # [ 76.513809] ? handle_bug+0x41/0x90 # [ 76.517724] ? exc_invalid_op+0x14/0x70 # [ 76.522025] ? asm_exc_invalid_op+0x12/0x20 # [ 76.526723] ? refcount_warn_saturate+0x97/0x110 # [ 76.531896] ? refcount_warn_saturate+0x97/0x110 # [ 76.537076] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 76.543217] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x76 # [ 76.549555] direct_entry.cold+0x2c/0x38 # [ 76.553961] full_proxy_write+0x56/0x80 # [ 76.558274] vfs_write+0xea/0x3b0 # [ 76.568169] ksys_write+0x68/0xf0 # [ 76.578079] do_syscall_64+0x33/0x40 # [ 76.588268] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 76.593925] RIP: 0033:0x7f84989df473 # [ 76.597938] Code: 8b 15 21 2a 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 # [ 76.618934] RSP: 002b:00007fff2e739758 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 76.627449] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f84989df473 # [ 76.641554] RDX: 0000000000000020 RSI: 00007f84988d3000 RDI: 0000000000000001 # [ 76.649532] RBP: 00007f84988d3000 R08: 00007f84988d2010 R09: 0000000000000000 # [ 76.657512] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 76.671676] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 76.679660] irq event stamp: 0 # [ 76.683089] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 76.690103] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 76.699243] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 76.708387] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 76.715392] ---[ end trace f26eca5477602e58 ]--- # [ 76.720557] lkdtm: Saturation detected: still saturated # REFCOUNT_ADD_NOT_ZERO_SATURATED: saw 'call trace:': ok ok 56 selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_SATURATED.sh # selftests: lkdtm: REFCOUNT_DEC_AND_TEST_SATURATED.sh # [ 77.112805] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED # [ 77.124729] lkdtm: attempting bad refcount_dec_and_test() from saturated # [ 77.132252] ------------[ cut here ]------------ # [ 77.137435] refcount_t: underflow; use-after-free. # [ 77.142851] WARNING: CPU: 2 PID: 2464 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 77.152286] Modules linked in: fuse ip_tables cros_ec_sysfs cros_usbpd_charger uvcvideo cros_ec_lightbar cros_ec_chardev videobuf2_vmalloc videobuf2_memops cros_usbpd_logger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 77.198120] CPU: 2 PID: 2464 Comm: cat Tainted: G D W 5.10.185-cip35 #1 # [ 77.206780] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 77.213406] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 77.219260] Code: 01 01 e8 [ 79.403775] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM 80 cb c0 00 0f 0b c3 cc cc cc cc 80 3d 93 ef f6 01 00 75 85 48 c[ 79.413194] lkdtm: attempting good copy_from_user of correct size 7 c7 68 3f 55 a6 c6 05 83 ef f6 01 01 e8 5d cb c0 00 <0f> 0b c3 [ 79.426216] lkdtm: attempting bad copy_from_user of too large size cc cc cc cc 80 3d 6e ef f6 01 00 0f 85 5e ff ff ff 48 c7 # [ 77.240222] RSP: 0018:ffffb58442da7e40 EFLAGS: 00010286 # [ 77.246075] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000 # [ 77.254053] RDX: ffffa2edbbd2c660 RSI: ffffa2edbbd1bf70 RDI: ffffa2edbbd1bf70 # [ 77.262035] RBP: ffffffffa65f8ce0 R08: 0000000000000000 R09: 0000000000000000 # [ 77.270004] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 77.277982] R13: ffffb58442da7f10 R14: ffffb58442da7f10 R15: ffffa2ed46008000 # [ 77.285960] FS: 00007f391340b580(0000) GS:ffffa2edbbd00000(0000) knlGS:0000000000000000 # [ 77.295003] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 77.301435] CR2: 00007f3913215000 CR3: 00000001028f2000 CR4: 00000000003506e0 # [ 77.309410] Call Trace: # [ 77.312171] ? __warn+0x80/0x110 # [ 77.315787] ? refcount_warn_saturate+0xba/0x110 # [ 77.320960] ? report_bug+0x9e/0xc0 # [ 77.324884] ? handle_bug+0x41/0x90 # [ 77.328795] ? exc_invalid_op+0x14/0x70 # [ 77.333098] ? asm_exc_invalid_op+0x12/0x20 # [ 77.337794] ? refcount_warn_saturate+0xba/0x110 # [ 77.342969] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 77.349119] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x76 # [ 77.355459] direct_entry.cold+0x2c/0x38 # [ 77.359862] full_proxy_write+0x56/0x80 # [ 77.364165] vfs_write+0xea/0x3b0 # [ 77.367891] ksys_write+0x68/0xf0 # [ 77.371615] do_syscall_64+0x33/0x40 # [ 77.375628] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 77.381287] RIP: 0033:0x7f3913321473 # [ 77.385300] Code: 8b 15 21 2a 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 # [ 77.406269] RSP: 002b:00007ffc2b985468 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 77.420913] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f3913321473 # [ 77.428898] RDX: 0000000000000020 RSI: 00007f3913215000 RDI: 0000000000000001 # [ 77.436876] RBP: 00007f3913215000 R08: 00007f3913214010 R09: 0000000000000000 # [ 77.444850] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 77.452874] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 77.460888] irq event stamp: 0 # [ 77.464321] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 77.471336] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 77.480476] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 77.489617] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 77.496626] ---[ end trace f26eca5477602e59 ]--- # [ 77.501796] lkdtm: Saturation detected: still saturated # REFCOUNT_DEC_AND_TEST_SATURATED: saw 'Saturation detected: still saturated': ok ok 57 selftests: lkdtm: REFCOUNT_DEC_AND_TEST_SATURATED.sh # selftests: lkdtm: REFCOUNT_SUB_AND_TEST_SATURATED.sh # [ 77.868815] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED # [ 77.881127] lkdtm: attempting bad refcount_sub_and_test() from saturated # [ 77.888666] ------------[ cut here ]------------ # [ 77.899965] refcount_t: underflow; use-after-free. # [ 77.911563] WARNING: CPU: 1 PID: 2[ 79.758797] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO [ 79.768890] lkdtm: attempting good copy_to_user inside whitelist 499 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ [ 79.775676] lkdtm: attempting bad copy_to_user outside whitelist 77.927152] Modules linked in: fuse ip_tables cros_ec_sysfs cros_usbpd_charger uvcvideo cros_ec_lightbar cros_ec_chardev videobuf2_vmalloc videobuf2_memops cros_usbpd_logger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 77.973027] CPU: 1 PID: 2499 Comm: cat Tainted: G D W 5.10.185-cip35 #1 # [ 77.987875] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 77.994510] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 78.000369] Code: 01 01 e8 80 cb c0 00 0f 0b c3 cc cc cc cc 80 3d 93 ef f6 01 00 75 85 48 c7 c7 68 3f 55 a6 c6 05 83 ef f6 01 01 e8 5d cb c0 00 <0f> 0b c3 cc cc cc cc 80 3d 6e ef f6 01 00 0f 85 5e ff ff ff 48 c7 # [ 78.027491] RSP: 0018:ffffb58442e07e40 EFLAGS: 00010286 # [ 78.033338] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000 # [ 78.041322] RDX: ffffa2edbbcac660 RSI: ffffa2edbbc9bf70 RDI: ffffa2edbbc9bf70 # [ 78.049297] RBP: ffffffffa65f8d00 R08: 0000000000000000 R09: 0000000000000000 # [ 78.057274] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 78.065250] R13: ffffb58442e07f10 R14: ffffb58442e07f10 R15: ffffa2ed43f41000 # [ 78.073226] FS: 00007f1a684e3580(0000) GS:ffffa2edbbc80000(0000) knlGS:0000000000000000 # [ 78.082268] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 78.088694] CR2: 00007f1a682ed000 CR3: 00000001058ac000 CR4: 00000000003506e0 # [ 78.096668] Call Trace: # [ 78.099428] ? __warn+0x80/0x110 # [ 78.109239] ? refcount_warn_saturate+0xba/0x110 # [ 78.114418] ? report_bug+0x9e/0xc0 # [ 78.124496] ? handle_bug+0x41/0x90 # [ 78.128410] ? exc_invalid_op+0x14/0x70 # [ 78.138880] ? asm_exc_invalid_op+0x12/0x20 # [ 78.143574] ? refcount_warn_saturate+0xba/0x110 # [ 78.148750] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 78.161053] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x76 # [ 78.167406] direct_entry.cold+0x2c/0x38 # [ 78.177995] full_proxy_write+0x56/0x80 # [ 78.188461] vfs_write+0xea/0x3b0 # [ 78.198367] ksys_write+0x68/0xf0 # [ 78.208262] do_syscall_64+0x33/0x40 # [ 78.218461] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 78.230299] RIP: 0033:0x7f1a683f9473 # [ 78.239034] Code: 8b 15 21 2a 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 # [ 78.266170] RSP: 002b:00007fff9e5217a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 78.280798] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f1a683f9473 # [ 78.294952] RDX: 0000000000000020 RSI: 00007f1a682ed000 RDI: 0000000000000001 # [ 78.309110] RBP: 00007f1a682ed000 R08: 00007f1a682ec010 R09: 0000000000000000 # [ 78.323267] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 78.333071] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 78.341231] irq event stamp: 0 # [ 78.350829] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 78.364024] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 78.379336] softirqs last enabled at (0): [] co[ 80.115769] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM [ 80.124650] lkdtm: attempting good copy_from_user inside whitelist py_process+0x664/0x1c60 # [ 78.394662] softirqs last disabled[ 80.131603] lkdtm: attempting bad copy_from_user outside whitelist at (0): [<0000000000000000>] 0x0 # [ 78.407857] ---[ end trace f26eca5477602e5a ]--- # [ 78.419199] 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 # [ 79.054237] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO # [ 79.064304] lkdtm: attempting good copy_to_user of correct size # [ 79.077136] 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 # [ 79.403775] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM # [ 79.413194] lkdtm: attempting good copy_from_user of correct size # [ 79.426216] 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 # [ 79.758797] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO # [ 79.768890] lkdtm: attempting good copy_to_user inside whitelist # [ 79.775676] 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 # [ 80.115769] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM # [ 80.124650] lkdtm: attempting good copy_from_user inside whitelist # [ 80.131603] 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 [ 80.463781] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO [ 80.470726] lkdtm: good_stack: ffffb58443167e20-ffffb58443167e40 [ 80.477469] lkdtm: bad_stack : ffffb58443167da8-ffffb58443167dc8 [ 80.484243] lkdtm: attempting good copy_to_user of local stack [ 80.490798] lkdtm: attempting bad copy_to_user of distant stack # [ 80.463781] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO # [ 80.470726] lkdtm: good_stack: ffffb58443167e20-ffffb58443167e40 # [ 80.477469] lkdtm: bad_stack : ffffb58443167da8-ffffb58443167dc8 # [ 80.484243] lkdtm: attempting good copy_to_user of local stack # [ 80.490798] 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 [ 80.821047] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM [ 80.828195] lkdtm: good_stack: ffffb5844314fe20-ffffb5844314fe40 [ 80.834922] lkdtm: bad_stack : ffffb5844314fda8-ffffb5844314fdc8 [ 80.841680] lkdtm: attempting good copy_from_user of local stack [ 80.848415] lkdtm: attempting bad copy_from_user of distant stack # [ 80.821047] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM # [ 80.828195] lkdtm: good_stack: ffffb5844314fe20-ffffb5844314fe40 # [ 80.834922] lkdtm: bad_stack : ffffb5844314fda8-ffffb5844314fdc8 # [ 80.841680] lkdtm: attempting good copy_from_user of local stack # [ 80.848415] 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 [ 81.179343] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND [ 81.186090] lkdtm: good_stack: ffffb5844327fe20-ffffb5844327fe40 [ 81.192817] lkdtm: bad_stack : ffffb5844327fff8-ffffb58443280018 [ 81.199582] lkdtm: attempting good copy_to_user of local stack [ 81.206166] lkdtm: attempting bad copy_to_user of distant stack [ 81.212813] lkdtm: copy_to_user failed, but lacked Oops # [ 81.179343] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND # [ 81.186090] lkdtm: good_stack: ffffb5844327fe20-ffffb5844327fe40 # [ 81.192817] lkdtm: bad_stack : ffffb5844327fff8-ffffb58443280018 # [ 81.199582] lkdtm: attempting good copy_to_user of local stack # [ 81.206166] lkdtm: attempting bad copy_to_user of distant stack # [ 81.212813] 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 [ 81.547414] lkdtm: Performing direct entry USERCOPY_KERNEL [ 81.553575] lkdtm: attempting good copy_to_user from kernel rodata: ffffffffa617ed70 [ 81.562277] lkdtm: attempting bad copy_to_user from kernel text: ffffffffa48e1430 [ 81.570678] lkdtm: FAIL: survived bad copy_to_user() # [ 81.547414] lkdtm: Performing direct entry USERCOPY_KERNEL # [ 81.553575] lkdtm: attempting good copy_to_user from kernel rodata: ffffffffa617ed70 # [ 81.562277] lkdtm: attempting bad copy_to_user from kernel text: ffffffffa48e1430 # [ 81.570678] 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 [ 81.893306] lkdtm: Performing direct entry STACKLEAK_ERASING [ 81.899696] lkdtm: checking unused part of the thread stack (15928 bytes)... [ 81.907642] lkdtm: FAIL: the erased part is not found (checked 15928 bytes) [ 81.915475] lkdtm: FAIL: the thread stack is NOT properly erased [ 81.922226] CPU: 3 PID: 2864 Comm: cat Tainted: G D W 5.10.185-cip35 #1 [ 81.930873] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 81.937481] Call Trace: [ 81.940229] dump_stack+0x77/0x9b [ 81.943936] lkdtm_STACKLEAK_ERASING+0x116/0x144 [ 81.949093] direct_entry.cold+0x2c/0x38 [ 81.953485] full_proxy_write+0x56/0x80 [ 81.957776] vfs_write+0xea/0x3b0 [ 81.961475] ksys_write+0x68/0xf0 [ 81.965184] do_syscall_64+0x33/0x40 [ 81.969176] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 81.974819] RIP: 0033:0x7fbcf7a91473 [ 81.978818] Code: 8b 15 21 2a 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 [ 81.999776] RSP: 002b:00007ffed7209d88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 82.008229] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fbcf7a91473 [ 82.016189] RDX: 0000000000000012 RSI: 00007fbcf7985000 RDI: 0000000000000001 [ 82.024151] RBP: 00007fbcf7985000 R08: 00007fbcf7984010 R09: 0000000000000000 [ 82.032104] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 82.040070] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 81.893306] lkdtm: Performing direct entry STACKLEAK_ERASING # [ 81.899696] lkdtm: checking unused part of the thread stack (15928 bytes)... # [ 81.907642] lkdtm: FAIL: the erased part is not found (checked 15928 bytes) # [ 81.915475] lkdtm: FAIL: the thread stack is NOT properly erased # [ 81.922226] CPU: 3 PID: 2864 Comm: cat Tainted: G D W 5.10.185-cip35 #1 # [ 81.930873] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 81.937481] Call Trace: # [ 81.940229] dump_stack+0x77/0x9b # [ 81.943936] lkdtm_STACKLEAK_ERASING+0x116/0x144 # [ 81.949093] direct_entry.cold+0x2c/0x38 # [ 81.953485] full_proxy_write+0x56/0x80 # [ 81.957776] vfs_write+0xea/0x3b0 # [ 81.961475] ksys_write+0x68/0xf0 # [ 81.965184] do_syscall_64+0x33/0x40 # [ 81.969176] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 81.974819] RIP: 0033:0x7fbcf7a91473 # [ 81.978818] Code: 8b 15 21 2a 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 # [ 81.999776] RSP: 002b:00007ffed7209d88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 82.008229] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fbcf7a91473 # [ 82.016189] RDX: 0000000000000012 RSI: 00007fbcf7985000 RDI: 0000000000000001 # [ 82.024151] RBP: 00007fbcf7985000 R08: 00007fbcf7984010 R09: 0000000000000000 # [ 82.032104] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 82.040070] 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 [ 82.367306] lkdtm: Performing direct entry CFI_FORWARD_PROTO [ 82.373674] lkdtm: Calling matched prototype ... [ 82.378850] lkdtm: Calling mismatched prototype ... [ 82.384321] lkdtm: Fail: survived mismatched prototype function call! # [ 82.367306] lkdtm: Performing direct entry CFI_FORWARD_PROTO # [ 82.373674] lkdtm: Calling matched prototype ... # [ 82.378850] lkdtm: Calling mismatched prototype ... # [ 82.384321] 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 lkdtm_PANIC_sh skip lkdtm_BUG_sh pass lkdtm_WARNING_sh pass lkdtm_WARNING_MESSAGE_sh pass lkdtm_EXCEPTION_sh pass lkdtm_LOOP_sh skip lkdtm_EXHAUST_STACK_sh skip lkdtm_CORRUPT_STACK_sh skip lkdtm_CORRUPT_STACK_STRONG_sh skip lkdtm_CORRUPT_LIST_ADD_sh fail lkdtm_CORRUPT_LIST_DEL_sh fail lkdtm_STACK_GUARD_PAGE_LEADING_sh pass lkdtm_STACK_GUARD_PAGE_TRAILING_sh pass lkdtm_UNSET_SMEP_sh pass lkdtm_DOUBLE_FAULT_sh skip lkdtm_CORRUPT_PAC_sh skip lkdtm_UNALIGNED_LOAD_STORE_WRITE_sh skip lkdtm_OVERWRITE_ALLOCATION_sh skip lkdtm_WRITE_AFTER_FREE_sh skip lkdtm_READ_AFTER_FREE_sh fail lkdtm_WRITE_BUDDY_AFTER_FREE_sh skip lkdtm_READ_BUDDY_AFTER_FREE_sh fail lkdtm_SLAB_FREE_DOUBLE_sh fail lkdtm_SLAB_FREE_CROSS_sh fail lkdtm_SLAB_FREE_PAGE_sh fail lkdtm_SOFTLOCKUP_sh skip lkdtm_HARDLOCKUP_sh skip lkdtm_SPINLOCKUP_sh skip lkdtm_HUNG_TASK_sh skip lkdtm_EXEC_DATA_sh pass lkdtm_EXEC_STACK_sh pass lkdtm_EXEC_KMALLOC_sh pass lkdtm_EXEC_VMALLOC_sh pass lkdtm_EXEC_RODATA_sh pass lkdtm_EXEC_USERSPACE_sh pass lkdtm_EXEC_NULL_sh pass lkdtm_ACCESS_USERSPACE_sh pass lkdtm_ACCESS_NULL_sh pass lkdtm_WRITE_RO_sh pass lkdtm_WRITE_RO_AFTER_INIT_sh pass lkdtm_WRITE_KERN_sh pass lkdtm_REFCOUNT_INC_OVERFLOW_sh pass lkdtm_REFCOUNT_ADD_OVERFLOW_sh pass lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW_sh pass lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW_sh pass lkdtm_REFCOUNT_DEC_ZERO_sh pass lkdtm_REFCOUNT_DEC_NEGATIVE_sh pass lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE_sh pass lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE_sh pass lkdtm_REFCOUNT_INC_ZERO_sh pass lkdtm_REFCOUNT_ADD_ZERO_sh pass lkdtm_REFCOUNT_INC_SATURATED_sh pass lkdtm_REFCOUNT_DEC_SATURATED_sh pass lkdtm_REFCOUNT_ADD_SATURATED_sh pass lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED_sh pass lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED_sh pass lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED_sh pass lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED_sh pass lkdtm_REFCOUNT_TIMING_sh skip lkdtm_ATOMIC_TIMING_sh skip lkdtm_USERCOPY_HEAP_SIZE_TO_sh fail lkdtm_USERCOPY_HEAP_SIZE_FROM_sh fail lkdtm_USERCOPY_HEAP_WHITELIST_TO_sh fail lkdtm_USERCOPY_HEAP_WHITELIST_FROM_sh fail lkdtm_USERCOPY_STACK_FRAME_TO_sh fail lkdtm_USERCOPY_STACK_FRAME_FROM_sh fail lkdtm_USERCOPY_STACK_BEYOND_sh fail lkdtm_USERCOPY_KERNEL_sh fail lkdtm_STACKLEAK_ERASING_sh fail lkdtm_CFI_FORWARD_PROTO_sh fail + ../../utils/send-to-lava.sh ./output/result.txt + set +x / #