[Enter `^Ec?' for help] coreboot-v1.9308_26_0.0.22-2597-gfa32d89ed3 Tue Sep 29 21:34:05 UTC 2020 bootblock starting... LPC: Trying to open IO window from 800 size 1ff LPC: Opened IO window LGIR0: base 800 size 100 LPC: Opened IO window LGIR1: base 900 size 100 VBOOT: Loading verstage. FMAP: Found "FLASH" version 1.1 at 204000. FMAP: base = 0 size = 1000000 #areas = 35 FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'fallback/verstage' CBFS: Found @ offset ba4c0 size fab4 coreboot-v1.9308_26_0.0.22-2597-gfa32d89ed3 Tue Sep 29 21:34:05 UTC 2020 verstage starting... LPSS I2C bus 2 at 0xfe022000 (400 KHz) TPM ready after 4 ms cr50 TPM 2.0 (i2c 2:0x50 id 0x28) setup_tpm():514: TPM: SetupTPM() succeeded src/lib/tpm2_tlcl.c:208 index 0x1007 return code 0 Phase 1 FMAP: Found "FLASH" version 1.1 at 204000. FMAP: base = 0 size = 1000000 #areas = 35 FMAP: area GBB found @ 380000 (262144 bytes) VB2:vb2_check_recovery() Recovery reason from previous boot: 0x0 / 0x0 Phase 2 Phase 3 FMAP: area GBB found @ 380000 (262144 bytes) VB2:vb2_report_dev_firmware() This is developer signed firmware FMAP: area VBLOCK_B found @ 8b0000 (65536 bytes) FMAP: area VBLOCK_B found @ 8b0000 (65536 bytes) VB2:vb2_verify_keyblock() Checking key block signature... FMAP: area VBLOCK_B found @ 8b0000 (65536 bytes) FMAP: area VBLOCK_B found @ 8b0000 (65536 bytes) VB2:vb2_verify_fw_preamble() Verifying preamble. Phase 4 FMAP: area FW_MAIN_B found @ 8c0000 (4652992 bytes) VB2:vb2api_init_hash() HW crypto for hash_alg 2 not supported, using SW VB2:vb2_rsa_verify_digest() Digest check failed! VB2:vb2_fail() Need recovery, reason: 0x1b / 0x7 Saving nvdata Reboot requested (10020007) hard_reset() called! CSE is not yet ready, waiting CSE timed out. Resetting coreboot-v1.9308_26_0.0.22-2597-gfa32d89ed3 Tue Sep 29 21:34:05 UTC 2020 bootblock starting... LPC: Trying to open IO window from 800 size 1ff LPC: Opened IO window LGIR0: base 800 size 100 LPC: Opened IO window LGIR1: base 900 size 100 VBOOT: Loading verstage. FMAP: Found "FLASH" version 1.1 at 204000. FMAP: base = 0 size = 1000000 #areas = 35 FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'fallback/verstage' CBFS: Found @ offset ba4c0 size fab4 coreboot-v1.9308_26_0.0.22-2597-gfa32d89ed3 Tue Sep 29 21:34:05 UTC 2020 verstage starting... LPSS I2C bus 2 at 0xfe022000 (400 KHz) TPM ready after 4 ms cr50 TPM 2.0 (i2c 2:0x50 id 0x28) setup_tpm():514: TPM: SetupTPM() succeeded src/lib/tpm2_tlcl.c:208 index 0x1007 return code 0 Phase 1 FMAP: Found "FLASH" version 1.1 at 204000. FMAP: base = 0 size = 1000000 #areas = 35 FMAP: area GBB found @ 380000 (262144 bytes) VB2:vb2_check_recovery() Recovery reason from previous boot: 0x1b / 0x7 VB2:vb2_check_recovery() We have a recovery request: 0x1b / 0x0 Recovery requested (1009000e) Saving nvdata tlcl_extend: response is 0 tlcl_extend: response is 0 FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'fallback/romstage' CBFS: Found @ offset 80 size 11c5c coreboot-v1.9308_26_0.0.22-2597-gfa32d89ed3 Tue Sep 29 21:34:05 UTC 2020 romstage starting... pm1_sts: 0000 pm1_en: 0000 pm1_cnt: 00001c00 gpe0_sts[0]: 00000000 gpe0_en[0]: 00008000 gpe0_sts[1]: 00000000 gpe0_en[1]: 00000000 gpe0_sts[2]: 00000000 gpe0_en[2]: 00000000 gpe0_sts[3]: 00000000 gpe0_en[3]: 00000000 prsts: 00000000 tco_sts: 00000000 gen_pmcon1: 04004000 gen_pmcon2: 00003a00 gen_pmcon3: 00000000 prev_sleep_state 0 Boot Count incremented to 92966 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 33 exit 0 Board ID: 5 mainboard: EC init Chrome EC: Set WAKE mask to 0x00000000 FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'fsps.bin' CBFS: Found @ offset 88fc0 size 2a000 FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'vbt-babytiger.bin' CBFS: Found @ offset 155800 size 528 Found a VBT of 6656 bytes after decompression ITSS IRQ Polarities Before: IPC0: 0xffffeef8 IPC1: 0xffffffff IPC2: 0xffffffff IPC3: 0x00ffffff ITSS IRQ Polarities After: IPC0: 0xffffeef8 IPC1: 0x4a07ffff IPC2: 0x08000000 IPC3: 0x00a11000 RAPL PL1 12.0W RAPL PL2 15.0W BS: BS_DEV_INIT_CHIPS times (us): entry 0 run 269584 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 4841 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 52620 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 14018 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 9965 usecs PCI: 00:16.2 scanning... scan_generic_bus for PCI: 00:16.2 bus: PCI: 00:16.2[0]->I2C: 02:50 enabled scan_generic_bus for PCI: 00:16.2 done scan_bus: scanning of bus PCI: 00:16.2 took 14021 usecs PCI: 00:16.3 scanning... scan_generic_bus for PCI: 00:16.3 bus: PCI: 00:16.3[0]->I2C: 03:10 enabled bus: PCI: 00:16.3[0]->I2C: 03:39 enabled scan_generic_bus for PCI: 00:16.3 done scan_bus: scanning of bus PCI: 00:16.3 took 18090 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 18091 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 14023 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 11211 usecs scan_bus: scanning of bus DOMAIN: 0000 took 390324 usecs root_dev_scan_bus for Root Device done scan_bus: scanning of bus Root Device took 410249 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. REGF update can't fit. Will empty. Erasing flash addr 420000 + 4 KiB 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 2023-04-20 14:13:42 UTC POST: Unexpected post code in previous boot: 0x98 ELOG: Event(A3) added with size 11 at 2023-04-20 14:13:42 UTC ELOG: Event(A6) added with size 13 at 2023-04-20 14:13:42 UTC ELOG: Event(AA) added with size 11 at 2023-04-20 14:13:42 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 698962 exit 170292 found VGA at PCI: 00:02.0 Setting up VGA for PCI: 00:02.0 Setting PCI_BRIDGE_CTL_VGA for bridge DOMAIN: 0000 Setting PCI_BRIDGE_CTL_VGA for bridge Root Device Allocating resources... Reading resources... Root Device read_resources bus 0 link: 0 CPU_CLUSTER: 0 read_resources bus 0 link: 0 CPU_CLUSTER: 0 read_resources bus 0 link: 0 done DOMAIN: 0000 read_resources bus 0 link: 0 PCI: 00:0e.0 read_resources bus 0 link: 0 PCI: 00:0e.0 read_resources bus 0 link: 0 done PCI: 00:14.0 read_resources bus 1 link: 0 PCI: 00:14.0 read_resources bus 1 link: 0 done PCI: 00:16.0 read_resources bus 1 link: 0 PCI: 00:16.0 read_resources bus 1 link: 0 done PCI: 00:16.2 read_resources bus 2 link: 0 PCI: 00:16.2 read_resources bus 2 link: 0 done PCI: 00:16.3 read_resources bus 3 link: 0 PCI: 00:16.3 read_resources bus 3 link: 0 done PCI: 00:17.0 read_resources bus 4 link: 0 PCI: 00:17.0 read_resources bus 4 link: 0 done PCI: 00:17.1 read_resources bus 5 link: 0 PCI: 00:17.1 read_resources bus 5 link: 0 done PCI: 00:1f.0 read_resources bus 0 link: 0 PCI: 00:1f.0 read_resources bus 0 link: 0 done DOMAIN: 0000 read_resources bus 0 link: 0 done Root Device read_resources bus 0 link: 0 done Done reading resources. Show resources in subtree (Root Device)...After reading. Root Device child on link 0 CPU_CLUSTER: 0 CPU_CLUSTER: 0 child on link 0 APIC: 00 APIC: 00 DOMAIN: 0000 child on link 0 PCI: 00:00.0 DOMAIN: 0000 resource base 0 size 0 align 0 gran 0 limit ffff flags 40040100 index 10000000 DOMAIN: 0000 resource base 0 size 0 align 0 gran 0 limit ffffffff flags 40040200 index 10000100 PCI: 00:00.0 PCI: 00:00.0 resource base e0000000 size 10000000 align 0 gran 0 limit 0 flags f0000200 index 0 PCI: 00:00.0 resource base fed10000 size 8000 align 0 gran 0 limit 0 flags f0000200 index 1 PCI: 00:00.0 resource base 0 size a0000 align 0 gran 0 limit 0 flags e0004200 index 2 PCI: 00:00.0 resource base c0000 size 7af40000 align 0 gran 0 limit 0 flags e0004200 index 3 PCI: 00:00.0 resource base 7b000000 size 800000 align 0 gran 0 limit 0 flags f0004200 index 5 PCI: 00:00.0 resource base 7b800000 size 4800000 align 0 gran 0 limit 0 flags f0000200 index 6 PCI: 00:00.0 resource base 100000000 size 80000000 align 0 gran 0 limit 0 flags e0004200 index 7 PCI: 00:00.0 resource base a0000 size 20000 align 0 gran 0 limit 0 flags f0000200 index 8 PCI: 00:00.0 resource base c0000 size 40000 align 0 gran 0 limit 0 flags f0004200 index 9 PCI: 00:00.0 resource base 11800000 size 400000 align 0 gran 0 limit 0 flags f0004200 index a PCI: 00:00.0 resource base 11000000 size 800000 align 0 gran 0 limit 0 flags f0004200 index b PCI: 00:00.0 resource base 12000000 size 100000 align 0 gran 0 limit 0 flags f0004200 index c PCI: 00:00.0 resource base 12150000 size 1000 align 0 gran 0 limit 0 flags f0004200 index d PCI: 00:00.0 resource base 12140000 size 10000 align 0 gran 0 limit 0 flags f0004200 index e PCI: 00:00.0 resource base 10000000 size 1000000 align 0 gran 0 limit 0 flags f0004200 index f PCI: 00:00.0 resource base 11c00000 size 400000 align 0 gran 0 limit 0 flags f0004200 index 10 PCI: 00:00.0 resource base 12100000 size 40000 align 0 gran 0 limit 0 flags f0004200 index 11 PCI: 00:00.1 PCI: 00:00.1 resource base 0 size 8000 align 15 gran 15 limit ffffffffffffffff flags 201 index 10 PCI: 00:00.2 PCI: 00:00.2 resource base 0 size 100000 align 20 gran 20 limit ffffffffffffffff flags 201 index 10 PCI: 00:00.2 resource base 0 size 800000 align 23 gran 23 limit ffffffffffffffff flags 201 index 18 PCI: 00:00.2 resource base 0 size 200 align 12 gran 9 limit ffffffffffffffff flags 201 index 20 PCI: 00:02.0 PCI: 00:02.0 resource base 0 size 1000000 align 24 gran 24 limit ffffffffffffffff flags 201 index 10 PCI: 00:02.0 resource base 0 size 10000000 align 28 gran 28 limit ffffffffffffffff flags 1201 index 18 PCI: 00:02.0 resource base 0 size 40 align 6 gran 6 limit ffff flags 100 index 20 PCI: 00:03.0 PCI: 00:03.0 resource base 0 size 1000000 align 24 gran 24 limit 7fffffffff flags 201 index 10 PCI: 00:0d.0 PCI: 00:0d.0 resource base d0000000 size 1000000 align 0 gran 0 limit 0 flags f0000200 index 10 PCI: 00:0d.1 PCI: 00:0d.1 resource base fe042000 size 2000 align 0 gran 0 limit 0 flags c0000200 index 10 PCI: 00:0d.1 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 18 PCI: 00:0d.1 resource base 400 size 100 align 0 gran 0 limit 0 flags c0000100 index 20 PCI: 00:0d.2 PCI: 00:0d.2 resource base 0 size 1000 align 12 gran 12 limit ffffffff flags 200 index 10 PCI: 00:0d.3 PCI: 00:0d.3 resource base fe900000 size 2000 align 0 gran 0 limit 0 flags c0000200 index 10 PCI: 00:0d.3 resource base fe902000 size 1000 align 0 gran 0 limit 0 flags c0000200 index 18 PCI: 00:0e.0 child on link 0 GENERIC: 0.0 PCI: 00:0e.0 resource base 0 size 4000 align 14 gran 14 limit ffffffffffffffff flags 201 index 10 PCI: 00:0e.0 resource base 0 size 100000 align 20 gran 20 limit ffffffffffffffff flags 201 index 20 GENERIC: 0.0 PCI: 00:0f.0 PCI: 00:0f.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:0f.1 PCI: 00:0f.1 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:0f.2 PCI: 00:0f.2 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:11.0 PCI: 00:12.0 PCI: 00:13.0 PCI: 00:13.1 PCI: 00:13.2 PCI: 00:13.3 PCI: 00:14.0 child on link 0 PCI: 01:00.0 PCI: 00:14.0 resource base 0 size 0 align 12 gran 12 limit ffff flags 80102 index 1c PCI: 00:14.0 resource base 0 size 0 align 20 gran 20 limit ffffffffffffffff flags 81202 index 24 PCI: 00:14.0 resource base 0 size 0 align 20 gran 20 limit ffffffff flags 80202 index 20 PCI: 01:00.0 PCI: 01:00.0 resource base 0 size 2000 align 13 gran 13 limit ffffffffffffffff flags 201 index 10 PCI: 00:14.1 PCI: 00:15.0 PCI: 00:15.0 resource base 0 size 10000 align 16 gran 16 limit ffffffffffffffff flags 201 index 10 PCI: 00:15.1 PCI: 00:16.0 child on link 0 I2C: 01:1a PCI: 00:16.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:16.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 18 I2C: 01:1a PCI: 00:16.1 PCI: 00:16.1 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:16.1 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 18 PCI: 00:16.2 child on link 0 I2C: 02:50 PCI: 00:16.2 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:16.2 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 18 I2C: 02:50 PCI: 00:16.3 child on link 0 I2C: 03:10 PCI: 00:16.3 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:16.3 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 18 I2C: 03:10 I2C: 03:39 PCI: 00:17.0 child on link 0 I2C: 04:15 PCI: 00:17.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:17.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 18 I2C: 04:15 I2C: 04:2c PCI: 00:17.1 child on link 0 I2C: 05:09 PCI: 00:17.1 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:17.1 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 18 I2C: 05:09 PCI: 00:17.2 PCI: 00:17.3 PCI: 00:18.0 PCI: 00:18.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:18.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 18 PCI: 00:18.1 PCI: 00:18.1 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:18.1 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 18 PCI: 00:18.2 PCI: 00:18.2 resource base de000000 size 1000 align 0 gran 0 limit 0 flags e0000200 index 10 PCI: 00:18.2 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 18 PCI: 00:18.3 PCI: 00:19.0 PCI: 00:19.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:19.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 18 PCI: 00:19.1 PCI: 00:19.2 PCI: 00:1a.0 PCI: 00:1b.0 PCI: 00:1b.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:1b.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 18 PCI: 00:1c.0 PCI: 00:1c.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:1c.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 18 PCI: 00:1e.0 PCI: 00:1f.0 child on link 0 PNP: 0c09.0 PCI: 00:1f.0 resource base 0 size 1000 align 0 gran 0 limit 0 flags c0000100 index 0 PNP: 0c09.0 PNP: 0c09.0 resource base 800 size 1ff align 0 gran 0 limit 0 flags c0000100 index 0 PCI: 00:1f.1 PCI: 00:1f.1 resource base 0 size 100 align 12 gran 8 limit ffffffffffffffff flags 201 index 10 PCI: 00:1f.1 resource base 0 size 20 align 5 gran 5 limit ffff flags 100 index 20 DOMAIN: 0000 io: base: 0 size: 0 align: 0 gran: 0 limit: ffff PCI: 00:14.0 io: base: 0 size: 0 align: 12 gran: 12 limit: ffff PCI: 00:14.0 io: base: 0 size: 0 align: 12 gran: 12 limit: ffff done PCI: 00:02.0 20 * [0x0 - 0x3f] io PCI: 00:1f.1 20 * [0x40 - 0x5f] io DOMAIN: 0000 io: base: 60 size: 60 align: 6 gran: 0 limit: ffff done DOMAIN: 0000 mem: base: 0 size: 0 align: 0 gran: 0 limit: ffffffff PCI: 00:14.0 prefmem: base: 0 size: 0 align: 20 gran: 20 limit: ffffffffffffffff PCI: 00:14.0 prefmem: base: 0 size: 0 align: 20 gran: 20 limit: ffffffffffffffff done PCI: 00:14.0 mem: base: 0 size: 0 align: 20 gran: 20 limit: ffffffff PCI: 01:00.0 10 * [0x0 - 0x1fff] mem PCI: 00:14.0 mem: base: 2000 size: 100000 align: 20 gran: 20 limit: ffffffff done PCI: 00:02.0 18 * [0x0 - 0xfffffff] prefmem PCI: 00:02.0 10 * [0x10000000 - 0x10ffffff] mem PCI: 00:03.0 10 * [0x11000000 - 0x11ffffff] mem PCI: 00:00.2 18 * [0x12000000 - 0x127fffff] mem PCI: 00:00.2 10 * [0x12800000 - 0x128fffff] mem PCI: 00:0e.0 20 * [0x12900000 - 0x129fffff] mem PCI: 00:14.0 20 * [0x12a00000 - 0x12afffff] mem PCI: 00:15.0 10 * [0x12b00000 - 0x12b0ffff] mem PCI: 00:00.1 10 * [0x12b10000 - 0x12b17fff] mem PCI: 00:0e.0 10 * [0x12b18000 - 0x12b1bfff] mem PCI: 00:0d.1 18 * [0x12b1c000 - 0x12b1cfff] mem PCI: 00:0d.2 10 * [0x12b1d000 - 0x12b1dfff] mem PCI: 00:0f.0 10 * [0x12b1e000 - 0x12b1efff] mem PCI: 00:0f.1 10 * [0x12b1f000 - 0x12b1ffff] mem PCI: 00:0f.2 10 * [0x12b20000 - 0x12b20fff] mem PCI: 00:16.0 10 * [0x12b21000 - 0x12b21fff] mem PCI: 00:16.0 18 * [0x12b22000 - 0x12b22fff] mem PCI: 00:16.1 10 * [0x12b23000 - 0x12b23fff] mem PCI: 00:16.1 18 * [0x12b24000 - 0x12b24fff] mem PCI: 00:16.2 10 * [0x12b25000 - 0x12b25fff] mem PCI: 00:16.2 18 * [0x12b26000 - 0x12b26fff] mem PCI: 00:16.3 10 * [0x12b27000 - 0x12b27fff] mem PCI: 00:16.3 18 * [0x12b28000 - 0x12b28fff] mem PCI: 00:17.0 10 * [0x12b29000 - 0x12b29fff] mem PCI: 00:17.0 18 * [0x12b2a000 - 0x12b2afff] mem PCI: 00:17.1 10 * [0x12b2b000 - 0x12b2bfff] mem PCI: 00:17.1 18 * [0x12b2c000 - 0x12b2cfff] mem PCI: 00:18.0 10 * [0x12b2d000 - 0x12b2dfff] mem PCI: 00:18.0 18 * [0x12b2e000 - 0x12b2efff] mem PCI: 00:18.1 10 * [0x12b2f000 - 0x12b2ffff] mem PCI: 00:18.1 18 * [0x12b30000 - 0x12b30fff] mem PCI: 00:18.2 18 * [0x12b31000 - 0x12b31fff] mem PCI: 00:19.0 10 * [0x12b32000 - 0x12b32fff] mem PCI: 00:19.0 18 * [0x12b33000 - 0x12b33fff] mem PCI: 00:1b.0 10 * [0x12b34000 - 0x12b34fff] mem PCI: 00:1b.0 18 * [0x12b35000 - 0x12b35fff] mem PCI: 00:1c.0 10 * [0x12b36000 - 0x12b36fff] mem PCI: 00:1c.0 18 * [0x12b37000 - 0x12b37fff] mem PCI: 00:00.2 20 * [0x12b38000 - 0x12b381ff] mem PCI: 00:1f.1 10 * [0x12b39000 - 0x12b390ff] mem DOMAIN: 0000 mem: base: 12b39100 size: 12b39100 align: 28 gran: 0 limit: ffffffff done avoid_fixed_resources: DOMAIN: 0000 avoid_fixed_resources:@DOMAIN: 0000 10000000 limit 0000ffff avoid_fixed_resources:@DOMAIN: 0000 10000100 limit ffffffff constrain_resources: PCI: 00:00.0 00 base e0000000 limit efffffff mem (fixed) constrain_resources: PCI: 00:00.0 02 base 00000000 limit 0009ffff mem (fixed) constrain_resources: PCI: 00:00.0 03 base 000c0000 limit 7affffff mem (fixed) constrain_resources: PCI: 00:00.0 05 base 7b000000 limit 7b7fffff mem (fixed) constrain_resources: PCI: 00:00.0 06 base 7b800000 limit 7fffffff mem (fixed) constrain_resources: PCI: 00:0d.0 10 base d0000000 limit d0ffffff mem (fixed) constrain_resources: PCI: 00:0d.1 20 base 00000400 limit 000004ff io (fixed) constrain_resources: PCI: 00:1f.0 00 base 00000000 limit 00000fff io (fixed) avoid_fixed_resources:@DOMAIN: 0000 10000000 base 00001000 limit 0000ffff avoid_fixed_resources:@DOMAIN: 0000 10000100 base b0000000 limit cfffffff Setting resources... DOMAIN: 0000 io: base:1000 size:60 align:6 gran:0 limit:ffff PCI: 00:02.0 20 * [0x1000 - 0x103f] io PCI: 00:1f.1 20 * [0x1040 - 0x105f] io DOMAIN: 0000 io: next_base: 1060 size: 60 align: 6 gran: 0 done PCI: 00:14.0 io: base:ffff size:0 align:12 gran:12 limit:ffff PCI: 00:14.0 io: next_base: ffff size: 0 align: 12 gran: 12 done DOMAIN: 0000 mem: base:b0000000 size:12b39100 align:28 gran:0 limit:cfffffff PCI: 00:02.0 18 * [0xb0000000 - 0xbfffffff] prefmem PCI: 00:02.0 10 * [0xc0000000 - 0xc0ffffff] mem PCI: 00:03.0 10 * [0xc1000000 - 0xc1ffffff] mem PCI: 00:00.2 18 * [0xc2000000 - 0xc27fffff] mem PCI: 00:00.2 10 * [0xc2800000 - 0xc28fffff] mem PCI: 00:0e.0 20 * [0xc2900000 - 0xc29fffff] mem PCI: 00:14.0 20 * [0xc2a00000 - 0xc2afffff] mem PCI: 00:15.0 10 * [0xc2b00000 - 0xc2b0ffff] mem PCI: 00:00.1 10 * [0xc2b10000 - 0xc2b17fff] mem PCI: 00:0e.0 10 * [0xc2b18000 - 0xc2b1bfff] mem PCI: 00:0d.1 18 * [0xc2b1c000 - 0xc2b1cfff] mem PCI: 00:0d.2 10 * [0xc2b1d000 - 0xc2b1dfff] mem PCI: 00:0f.0 10 * [0xc2b1e000 - 0xc2b1efff] mem PCI: 00:0f.1 10 * [0xc2b1f000 - 0xc2b1ffff] mem PCI: 00:0f.2 10 * [0xc2b20000 - 0xc2b20fff] mem PCI: 00:16.0 10 * [0xc2b21000 - 0xc2b21fff] mem PCI: 00:16.0 18 * [0xc2b22000 - 0xc2b22fff] mem PCI: 00:16.1 10 * [0xc2b23000 - 0xc2b23fff] mem PCI: 00:16.1 18 * [0xc2b24000 - 0xc2b24fff] mem PCI: 00:16.2 10 * [0xc2b25000 - 0xc2b25fff] mem PCI: 00:16.2 18 * [0xc2b26000 - 0xc2b26fff] mem PCI: 00:16.3 10 * [0xc2b27000 - 0xc2b27fff] mem PCI: 00:16.3 18 * [0xc2b28000 - 0xc2b28fff] mem PCI: 00:17.0 10 * [0xc2b29000 - 0xc2b29fff] mem PCI: 00:17.0 18 * [0xc2b2a000 - 0xc2b2afff] mem PCI: 00:17.1 10 * [0xc2b2b000 - 0xc2b2bfff] mem PCI: 00:17.1 18 * [0xc2b2c000 - 0xc2b2cfff] mem PCI: 00:18.0 10 * [0xc2b2d000 - 0xc2b2dfff] mem PCI: 00:18.0 18 * [0xc2b2e000 - 0xc2b2efff] mem PCI: 00:18.1 10 * [0xc2b2f000 - 0xc2b2ffff] mem PCI: 00:18.1 18 * [0xc2b30000 - 0xc2b30fff] mem PCI: 00:18.2 18 * [0xc2b31000 - 0xc2b31fff] mem PCI: 00:19.0 10 * [0xc2b32000 - 0xc2b32fff] mem PCI: 00:19.0 18 * [0xc2b33000 - 0xc2b33fff] mem PCI: 00:1b.0 10 * [0xc2b34000 - 0xc2b34fff] mem PCI: 00:1b.0 18 * [0xc2b35000 - 0xc2b35fff] mem PCI: 00:1c.0 10 * [0xc2b36000 - 0xc2b36fff] mem PCI: 00:1c.0 18 * [0xc2b37000 - 0xc2b37fff] mem PCI: 00:00.2 20 * [0xc2b38000 - 0xc2b381ff] mem PCI: 00:1f.1 10 * [0xc2b39000 - 0xc2b390ff] mem DOMAIN: 0000 mem: next_base: c2b39100 size: 12b39100 align: 28 gran: 0 done PCI: 00:14.0 prefmem: base:cfffffff size:0 align:20 gran:20 limit:cfffffff PCI: 00:14.0 prefmem: next_base: cfffffff size: 0 align: 20 gran: 20 done PCI: 00:14.0 mem: base:c2a00000 size:100000 align:20 gran:20 limit:c2afffff PCI: 01:00.0 10 * [0xc2a00000 - 0xc2a01fff] mem PCI: 00:14.0 mem: next_base: c2a02000 size: 100000 align: 20 gran: 20 done Root Device assign_resources, bus 0 link: 0 DOMAIN: 0000 assign_resources, bus 0 link: 0 PCI: 00:00.1 10 <- [0x00c2b10000 - 0x00c2b17fff] size 0x00008000 gran 0x0f mem64 PCI: 00:00.2 10 <- [0x00c2800000 - 0x00c28fffff] size 0x00100000 gran 0x14 mem64 PCI: 00:00.2 18 <- [0x00c2000000 - 0x00c27fffff] size 0x00800000 gran 0x17 mem64 PCI: 00:00.2 20 <- [0x00c2b38000 - 0x00c2b381ff] size 0x00000200 gran 0x09 mem64 PCI: 00:02.0 10 <- [0x00c0000000 - 0x00c0ffffff] size 0x01000000 gran 0x18 mem64 PCI: 00:02.0 18 <- [0x00b0000000 - 0x00bfffffff] size 0x10000000 gran 0x1c prefmem64 PCI: 00:02.0 20 <- [0x0000001000 - 0x000000103f] size 0x00000040 gran 0x06 io PCI: 00:03.0 10 <- [0x00c1000000 - 0x00c1ffffff] size 0x01000000 gran 0x18 mem64 PCI: 00:0d.1 18 <- [0x00c2b1c000 - 0x00c2b1cfff] size 0x00001000 gran 0x0c mem64 PCI: 00:0d.1 10 <- [0x00fe042000 - 0x00fe043fff] size 0x00002000 gran 0x00 mem PMC BAR PCI: 00:0d.1 20 <- [0x0000000400 - 0x00000004ff] size 0x00000100 gran 0x00 io ACPI BAR PCI: 00:0d.2 10 <- [0x00c2b1d000 - 0x00c2b1dfff] size 0x00001000 gran 0x0c mem PCI: 00:0d.3 10 <- [0x00fe900000 - 0x00fe901fff] size 0x00002000 gran 0x00 mem SRAM BAR 0 PCI: 00:0d.3 18 <- [0x00fe902000 - 0x00fe902fff] size 0x00001000 gran 0x00 mem SRAM BAR 2 PCI: 00:0e.0 10 <- [0x00c2b18000 - 0x00c2b1bfff] size 0x00004000 gran 0x0e mem64 PCI: 00:0e.0 20 <- [0x00c2900000 - 0x00c29fffff] size 0x00100000 gran 0x14 mem64 PCI: 00:0e.0 assign_resources, bus 0 link: 0 PCI: 00:0e.0 assign_resources, bus 0 link: 0 PCI: 00:0f.0 10 <- [0x00c2b1e000 - 0x00c2b1efff] size 0x00001000 gran 0x0c mem64 PCI: 00:0f.1 10 <- [0x00c2b1f000 - 0x00c2b1ffff] size 0x00001000 gran 0x0c mem64 PCI: 00:0f.2 10 <- [0x00c2b20000 - 0x00c2b20fff] size 0x00001000 gran 0x0c mem64 PCI: 00:14.0 1c <- [0x000000ffff - 0x000000fffe] size 0x00000000 gran 0x0c bus 01 io PCI: 00:14.0 24 <- [0x00cfffffff - 0x00cffffffe] size 0x00000000 gran 0x14 bus 01 prefmem PCI: 00:14.0 20 <- [0x00c2a00000 - 0x00c2afffff] size 0x00100000 gran 0x14 bus 01 mem PCI: 00:14.0 assign_resources, bus 1 link: 0 PCI: 01:00.0 10 <- [0x00c2a00000 - 0x00c2a01fff] size 0x00002000 gran 0x0d mem64 PCI: 00:14.0 assign_resources, bus 1 link: 0 PCI: 00:15.0 10 <- [0x00c2b00000 - 0x00c2b0ffff] size 0x00010000 gran 0x10 mem64 PCI: 00:16.0 10 <- [0x00c2b21000 - 0x00c2b21fff] size 0x00001000 gran 0x0c mem64 PCI: 00:16.0 18 <- [0x00c2b22000 - 0x00c2b22fff] size 0x00001000 gran 0x0c mem64 PCI: 00:16.0 assign_resources, bus 1 link: 0 PCI: 00:16.0 assign_resources, bus 1 link: 0 PCI: 00:16.1 10 <- [0x00c2b23000 - 0x00c2b23fff] size 0x00001000 gran 0x0c mem64 PCI: 00:16.1 18 <- [0x00c2b24000 - 0x00c2b24fff] size 0x00001000 gran 0x0c mem64 PCI: 00:16.2 10 <- [0x00c2b25000 - 0x00c2b25fff] size 0x00001000 gran 0x0c mem64 PCI: 00:16.2 18 <- [0x00c2b26000 - 0x00c2b26fff] size 0x00001000 gran 0x0c mem64 PCI: 00:16.2 assign_resources, bus 2 link: 0 PCI: 00:16.2 assign_resources, bus 2 link: 0 PCI: 00:16.3 10 <- [0x00c2b27000 - 0x00c2b27fff] size 0x00001000 gran 0x0c mem64 PCI: 00:16.3 18 <- [0x00c2b28000 - 0x00c2b28fff] size 0x00001000 gran 0x0c mem64 PCI: 00:16.3 assign_resources, bus 3 link: 0 PCI: 00:16.3 assign_resources, bus 3 link: 0 PCI: 00:17.0 10 <- [0x00c2b29000 - 0x00c2b29fff] size 0x00001000 gran 0x0c mem64 PCI: 00:17.0 18 <- [0x00c2b2a000 - 0x00c2b2afff] size 0x00001000 gran 0x0c mem64 PCI: 00:17.0 assign_resources, bus 4 link: 0 PCI: 00:17.0 assign_resources, bus 4 link: 0 PCI: 00:17.1 10 <- [0x00c2b2b000 - 0x00c2b2bfff] size 0x00001000 gran 0x0c mem64 PCI: 00:17.1 18 <- [0x00c2b2c000 - 0x00c2b2cfff] size 0x00001000 gran 0x0c mem64 PCI: 00:17.1 assign_resources, bus 5 link: 0 PCI: 00:17.1 assign_resources, bus 5 link: 0 PCI: 00:18.0 10 <- [0x00c2b2d000 - 0x00c2b2dfff] size 0x00001000 gran 0x0c mem64 PCI: 00:18.0 18 <- [0x00c2b2e000 - 0x00c2b2efff] size 0x00001000 gran 0x0c mem64 PCI: 00:18.1 10 <- [0x00c2b2f000 - 0x00c2b2ffff] size 0x00001000 gran 0x0c mem64 PCI: 00:18.1 18 <- [0x00c2b30000 - 0x00c2b30fff] size 0x00001000 gran 0x0c mem64 PCI: 00:18.2 18 <- [0x00c2b31000 - 0x00c2b31fff] size 0x00001000 gran 0x0c mem64 PCI: 00:19.0 10 <- [0x00c2b32000 - 0x00c2b32fff] size 0x00001000 gran 0x0c mem64 PCI: 00:19.0 18 <- [0x00c2b33000 - 0x00c2b33fff] size 0x00001000 gran 0x0c mem64 PCI: 00:1b.0 10 <- [0x00c2b34000 - 0x00c2b34fff] size 0x00001000 gran 0x0c mem64 PCI: 00:1b.0 18 <- [0x00c2b35000 - 0x00c2b35fff] size 0x00001000 gran 0x0c mem64 PCI: 00:1c.0 10 <- [0x00c2b36000 - 0x00c2b36fff] size 0x00001000 gran 0x0c mem64 PCI: 00:1c.0 18 <- [0x00c2b37000 - 0x00c2b37fff] size 0x00001000 gran 0x0c mem64 PCI: 00:1f.0 assign_resources, bus 0 link: 0 PNP: 0c09.0 missing set_resources PCI: 00:1f.0 assign_resources, bus 0 link: 0 LPC: Trying to open IO window from 800 size 1ff LPC: Opened IO window LGIR3: base 800 size 100 LPC: Cannot open IO window: 900 size ff No more IO windows PCI: 00:1f.1 10 <- [0x00c2b39000 - 0x00c2b390ff] size 0x00000100 gran 0x08 mem64 PCI: 00:1f.1 20 <- [0x0000001040 - 0x000000105f] size 0x00000020 gran 0x05 io DOMAIN: 0000 assign_resources, bus 0 link: 0 Root Device assign_resources, bus 0 link: 0 Done setting resources. Show resources in subtree (Root Device)...After assigning values. Root Device child on link 0 CPU_CLUSTER: 0 CPU_CLUSTER: 0 child on link 0 APIC: 00 APIC: 00 DOMAIN: 0000 child on link 0 PCI: 00:00.0 DOMAIN: 0000 resource base 1000 size 60 align 6 gran 0 limit ffff flags 40040100 index 10000000 DOMAIN: 0000 resource base b0000000 size 12b39100 align 28 gran 0 limit cfffffff flags 40040200 index 10000100 PCI: 00:00.0 PCI: 00:00.0 resource base e0000000 size 10000000 align 0 gran 0 limit 0 flags f0000200 index 0 PCI: 00:00.0 resource base fed10000 size 8000 align 0 gran 0 limit 0 flags f0000200 index 1 PCI: 00:00.0 resource base 0 size a0000 align 0 gran 0 limit 0 flags e0004200 index 2 PCI: 00:00.0 resource base c0000 size 7af40000 align 0 gran 0 limit 0 flags e0004200 index 3 PCI: 00:00.0 resource base 7b000000 size 800000 align 0 gran 0 limit 0 flags f0004200 index 5 PCI: 00:00.0 resource base 7b800000 size 4800000 align 0 gran 0 limit 0 flags f0000200 index 6 PCI: 00:00.0 resource base 100000000 size 80000000 align 0 gran 0 limit 0 flags e0004200 index 7 PCI: 00:00.0 resource base a0000 size 20000 align 0 gran 0 limit 0 flags f0000200 index 8 PCI: 00:00.0 resource base c0000 size 40000 align 0 gran 0 limit 0 flags f0004200 index 9 PCI: 00:00.0 resource base 11800000 size 400000 align 0 gran 0 limit 0 flags f0004200 index a PCI: 00:00.0 resource base 11000000 size 800000 align 0 gran 0 limit 0 flags f0004200 index b PCI: 00:00.0 resource base 12000000 size 100000 align 0 gran 0 limit 0 flags f0004200 index c PCI: 00:00.0 resource base 12150000 size 1000 align 0 gran 0 limit 0 flags f0004200 index d PCI: 00:00.0 resource base 12140000 size 10000 align 0 gran 0 limit 0 flags f0004200 index e PCI: 00:00.0 resource base 10000000 size 1000000 align 0 gran 0 limit 0 flags f0004200 index f PCI: 00:00.0 resource base 11c00000 size 400000 align 0 gran 0 limit 0 flags f0004200 index 10 PCI: 00:00.0 resource base 12100000 size 40000 align 0 gran 0 limit 0 flags f0004200 index 11 PCI: 00:00.1 PCI: 00:00.1 resource base c2b10000 size 8000 align 15 gran 15 limit c2b17fff flags 60000201 index 10 PCI: 00:00.2 PCI: 00:00.2 resource base c2800000 size 100000 align 20 gran 20 limit c28fffff flags 60000201 index 10 PCI: 00:00.2 resource base c2000000 size 800000 align 23 gran 23 limit c27fffff flags 60000201 index 18 PCI: 00:00.2 resource base c2b38000 size 200 align 12 gran 9 limit c2b381ff flags 60000201 index 20 PCI: 00:02.0 PCI: 00:02.0 resource base c0000000 size 1000000 align 24 gran 24 limit c0ffffff flags 60000201 index 10 PCI: 00:02.0 resource base b0000000 size 10000000 align 28 gran 28 limit bfffffff flags 60001201 index 18 PCI: 00:02.0 resource base 1000 size 40 align 6 gran 6 limit 103f flags 60000100 index 20 PCI: 00:03.0 PCI: 00:03.0 resource base c1000000 size 1000000 align 24 gran 24 limit c1ffffff flags 60000201 index 10 PCI: 00:0d.0 PCI: 00:0d.0 resource base d0000000 size 1000000 align 0 gran 0 limit 0 flags f0000200 index 10 PCI: 00:0d.1 PCI: 00:0d.1 resource base fe042000 size 2000 align 0 gran 0 limit 0 flags e0000200 index 10 PCI: 00:0d.1 resource base c2b1c000 size 1000 align 12 gran 12 limit c2b1cfff flags 60000201 index 18 PCI: 00:0d.1 resource base 400 size 100 align 0 gran 0 limit 0 flags e0000100 index 20 PCI: 00:0d.2 PCI: 00:0d.2 resource base c2b1d000 size 1000 align 12 gran 12 limit c2b1dfff flags 60000200 index 10 PCI: 00:0d.3 PCI: 00:0d.3 resource base fe900000 size 2000 align 0 gran 0 limit 0 flags e0000200 index 10 PCI: 00:0d.3 resource base fe902000 size 1000 align 0 gran 0 limit 0 flags e0000200 index 18 PCI: 00:0e.0 child on link 0 GENERIC: 0.0 PCI: 00:0e.0 resource base c2b18000 size 4000 align 14 gran 14 limit c2b1bfff flags 60000201 index 10 PCI: 00:0e.0 resource base c2900000 size 100000 align 20 gran 20 limit c29fffff flags 60000201 index 20 GENERIC: 0.0 PCI: 00:0f.0 PCI: 00:0f.0 resource base c2b1e000 size 1000 align 12 gran 12 limit c2b1efff flags 60000201 index 10 PCI: 00:0f.1 PCI: 00:0f.1 resource base c2b1f000 size 1000 align 12 gran 12 limit c2b1ffff flags 60000201 index 10 PCI: 00:0f.2 PCI: 00:0f.2 resource base c2b20000 size 1000 align 12 gran 12 limit c2b20fff flags 60000201 index 10 PCI: 00:11.0 PCI: 00:12.0 PCI: 00:13.0 PCI: 00:13.1 PCI: 00:13.2 PCI: 00:13.3 PCI: 00:14.0 child on link 0 PCI: 01:00.0 PCI: 00:14.0 resource base ffff size 0 align 12 gran 12 limit ffff flags 60080102 index 1c PCI: 00:14.0 resource base cfffffff size 0 align 20 gran 20 limit cfffffff flags 60081202 index 24 PCI: 00:14.0 resource base c2a00000 size 100000 align 20 gran 20 limit c2afffff flags 60080202 index 20 PCI: 01:00.0 PCI: 01:00.0 resource base c2a00000 size 2000 align 13 gran 13 limit c2a01fff flags 60000201 index 10 PCI: 00:14.1 PCI: 00:15.0 PCI: 00:15.0 resource base c2b00000 size 10000 align 16 gran 16 limit c2b0ffff flags 60000201 index 10 PCI: 00:15.1 PCI: 00:16.0 child on link 0 I2C: 01:1a PCI: 00:16.0 resource base c2b21000 size 1000 align 12 gran 12 limit c2b21fff flags 60000201 index 10 PCI: 00:16.0 resource base c2b22000 size 1000 align 12 gran 12 limit c2b22fff flags 60000201 index 18 I2C: 01:1a PCI: 00:16.1 PCI: 00:16.1 resource base c2b23000 size 1000 align 12 gran 12 limit c2b23fff flags 60000201 index 10 PCI: 00:16.1 resource base c2b24000 size 1000 align 12 gran 12 limit c2b24fff flags 60000201 index 18 PCI: 00:16.2 child on link 0 I2C: 02:50 PCI: 00:16.2 resource base c2b25000 size 1000 align 12 gran 12 limit c2b25fff flags 60000201 index 10 PCI: 00:16.2 resource base c2b26000 size 1000 align 12 gran 12 limit c2b26fff flags 60000201 index 18 I2C: 02:50 PCI: 00:16.3 child on link 0 I2C: 03:10 PCI: 00:16.3 resource base c2b27000 size 1000 align 12 gran 12 limit c2b27fff flags 60000201 index 10 PCI: 00:16.3 resource base c2b28000 size 1000 align 12 gran 12 limit c2b28fff flags 60000201 index 18 I2C: 03:10 I2C: 03:39 PCI: 00:17.0 child on link 0 I2C: 04:15 PCI: 00:17.0 resource base c2b29000 size 1000 align 12 gran 12 limit c2b29fff flags 60000201 index 10 PCI: 00:17.0 resource base c2b2a000 size 1000 align 12 gran 12 limit c2b2afff flags 60000201 index 18 I2C: 04:15 I2C: 04:2c PCI: 00:17.1 child on link 0 I2C: 05:09 PCI: 00:17.1 resource base c2b2b000 size 1000 align 12 gran 12 limit c2b2bfff flags 60000201 index 10 PCI: 00:17.1 resource base c2b2c000 size 1000 align 12 gran 12 limit c2b2cfff flags 60000201 index 18 I2C: 05:09 PCI: 00:17.2 PCI: 00:17.3 PCI: 00:18.0 PCI: 00:18.0 resource base c2b2d000 size 1000 align 12 gran 12 limit c2b2dfff flags 60000201 index 10 PCI: 00:18.0 resource base c2b2e000 size 1000 align 12 gran 12 limit c2b2efff flags 60000201 index 18 PCI: 00:18.1 PCI: 00:18.1 resource base c2b2f000 size 1000 align 12 gran 12 limit c2b2ffff flags 60000201 index 10 PCI: 00:18.1 resource base c2b30000 size 1000 align 12 gran 12 limit c2b30fff flags 60000201 index 18 PCI: 00:18.2 PCI: 00:18.2 resource base de000000 size 1000 align 0 gran 0 limit 0 flags e0000200 index 10 PCI: 00:18.2 resource base c2b31000 size 1000 align 12 gran 12 limit c2b31fff flags 60000201 index 18 PCI: 00:18.3 PCI: 00:19.0 PCI: 00:19.0 resource base c2b32000 size 1000 align 12 gran 12 limit c2b32fff flags 60000201 index 10 PCI: 00:19.0 resource base c2b33000 size 1000 align 12 gran 12 limit c2b33fff flags 60000201 index 18 PCI: 00:19.1 PCI: 00:19.2 PCI: 00:1a.0 PCI: 00:1b.0 PCI: 00:1b.0 resource base c2b34000 size 1000 align 12 gran 12 limit c2b34fff flags 60000201 index 10 PCI: 00:1b.0 resource base c2b35000 size 1000 align 12 gran 12 limit c2b35fff flags 60000201 index 18 PCI: 00:1c.0 PCI: 00:1c.0 resource base c2b36000 size 1000 align 12 gran 12 limit c2b36fff flags 60000201 index 10 PCI: 00:1c.0 resource base c2b37000 size 1000 align 12 gran 12 limit c2b37fff flags 60000201 index 18 PCI: 00:1e.0 PCI: 00:1f.0 child on link 0 PNP: 0c09.0 PCI: 00:1f.0 resource base 0 size 1000 align 0 gran 0 limit 0 flags c0000100 index 0 PNP: 0c09.0 PNP: 0c09.0 resource base 800 size 1ff align 0 gran 0 limit 0 flags c0000100 index 0 PCI: 00:1f.1 PCI: 00:1f.1 resource base c2b39000 size 100 align 12 gran 8 limit c2b390ff flags 60000201 index 10 PCI: 00:1f.1 resource base 1040 size 20 align 5 gran 5 limit 105f flags 60000100 index 20 Done allocating resources. BS: BS_DEV_RESOURCES times (us): entry 0 run 2940990 exit 0 Enabling resources... PCI: 00:00.0 cmd <- 07 PCI: 00:00.1 subsystem <- 8086/5a8c PCI: 00:00.1 cmd <- 02 PCI: 00:00.2 subsystem <- 8086/5a8e PCI: 00:00.2 cmd <- 06 PCI: 00:02.0 cmd <- 03 PCI: 00:03.0 subsystem <- 8086/5a88 PCI: 00:03.0 cmd <- 02 PCI: 00:0d.1 cmd <- 07 PCI: 00:0d.2 subsystem <- 8086/5a96 PCI: 00:0d.2 cmd <- 406 PCI: 00:0d.3 cmd <- 06 PCI: 00:0e.0 cmd <- 02 PCI: 00:0f.0 cmd <- 06 PCI: 00:0f.1 cmd <- 06 PCI: 00:0f.2 cmd <- 06 PCI: 00:14.0 bridge ctrl <- 0003 PCI: 00:14.0 cmd <- 06 PCI: 00:15.0 cmd <- 02 PCI: 00:16.0 cmd <- 02 PCI: 00:16.1 cmd <- 02 PCI: 00:16.2 cmd <- 06 PCI: 00:16.3 cmd <- 02 PCI: 00:17.0 cmd <- 02 PCI: 00:17.1 cmd <- 02 PCI: 00:18.0 cmd <- 02 PCI: 00:18.1 cmd <- 02 PCI: 00:18.2 cmd <- 06 PCI: 00:19.0 subsystem <- 8086/5ac2 PCI: 00:19.0 cmd <- 02 PCI: 00:1b.0 cmd <- 06 PCI: 00:1c.0 subsystem <- 8086/5acc PCI: 00:1c.0 cmd <- 06 PCI: 00:1f.0 cmd <- 07 PCI: 00:1f.1 subsystem <- 8086/5ad4 PCI: 00:1f.1 cmd <- 03 PCI: 01:00.0 subsystem <- 8086/095a PCI: 01:00.0 cmd <- 02 done. BS: BS_DEV_ENABLE times (us): entry 160 run 112007 exit 0 FMAP: area FPF_STATUS found @ 42f000 (4096 bytes) Initializing devices... Root Device init ... Root Device init finished in 2127 usecs CPU_CLUSTER: 0 init ... MTRR: Physical address space: 0x0000000000000000 - 0x00000000000a0000 size 0x000a0000 type 6 0x00000000000a0000 - 0x00000000000c0000 size 0x00020000 type 0 0x00000000000c0000 - 0x000000007b800000 size 0x7b740000 type 6 0x000000007b800000 - 0x00000000b0000000 size 0x34800000 type 0 0x00000000b0000000 - 0x00000000c0000000 size 0x10000000 type 1 0x00000000c0000000 - 0x0000000100000000 size 0x40000000 type 0 0x0000000100000000 - 0x0000000180000000 size 0x80000000 type 6 MTRR: Fixed MSR 0x250 0x0606060606060606 MTRR: Fixed MSR 0x258 0x0606060606060606 MTRR: Fixed MSR 0x259 0x0000000000000000 MTRR: Fixed MSR 0x268 0x0606060606060606 MTRR: Fixed MSR 0x269 0x0606060606060606 MTRR: Fixed MSR 0x26a 0x0606060606060606 MTRR: Fixed MSR 0x26b 0x0606060606060606 MTRR: Fixed MSR 0x26c 0x0606060606060606 MTRR: Fixed MSR 0x26d 0x0606060606060606 MTRR: Fixed MSR 0x26e 0x0606060606060606 MTRR: Fixed MSR 0x26f 0x0606060606060606 call enable_fixed_mtrr() CPU physical address size: 39 bits MTRR: default type WB/UC MTRR counts: 6/8. MTRR: WB selected as default type. MTRR: 0 base 0x000000007b800000 mask 0x0000007fff800000 type 0 MTRR: 1 base 0x000000007c000000 mask 0x0000007ffc000000 type 0 MTRR: 2 base 0x0000000080000000 mask 0x0000007fe0000000 type 0 MTRR: 3 base 0x00000000a0000000 mask 0x0000007ff0000000 type 0 MTRR: 4 base 0x00000000b0000000 mask 0x0000007ff0000000 type 1 MTRR: 5 base 0x00000000c0000000 mask 0x0000007fc0000000 type 0 MTRR check Fixed MTRRs : Enabled Variable MTRRs: Enabled Detected 4 core, 4 thread CPU. Will perform SMM setup. FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'cpu_microcode_blob.bin' CBFS: Found @ offset 11d40 size 4000 microcode: sig=0x506c9 pf=0x1 revision=0x2c CPU: Intel(R) Pentium(R) CPU N4200 @ 1.10GHz. Loading module at 00030000 with entry 00030000. filesize: 0x130 memsize: 0x130 Processing 16 relocs. Offset value of 0x00030000 Attempting to start 3 APs Waiting for 10ms after sending INIT. Waiting for 1st SIPI to complete...AP: slot 1 apic_id 6. done. Waiting for 2nd SIPI to complete...done. AP: slot 3 apic_id 4. 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 0x7afff800 Relocation complete. New SMBASE 0x7afffc00 Relocation complete. New SMBASE 0x7afff400 Relocation complete. New SMBASE 0x7b000000 Relocation complete. Initializing CPU #0 CPU: vendor Intel device 506c9 CPU: family 06, model 5c, stepping 09 CPU #0 initialized Initializing CPU #2 Initializing CPU #3 CPU: vendor Intel device 506c9 CPU: family 06, model 5c, stepping 09 Initializing CPU #1 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 #3 initialized CPU #1 initialized Enabling SMIs. MTRR: TEMPORARY Physical address space: 0x0000000000000000 - 0x00000000000a0000 size 0x000a0000 type 6 0x00000000000a0000 - 0x00000000000c0000 size 0x00020000 type 0 0x00000000000c0000 - 0x000000007b800000 size 0x7b740000 type 6 0x000000007b800000 - 0x00000000ff000000 size 0x83800000 type 0 0x00000000ff000000 - 0x0000000100000000 size 0x01000000 type 5 0x0000000100000000 - 0x0000000180000000 size 0x80000000 type 6 MTRR: default type WB/UC MTRR counts: 10/8. MTRR: UC selected as default type. MTRR: 0 base 0x0000000000000000 mask 0x0000007fc0000000 type 6 MTRR: 1 base 0x0000000040000000 mask 0x0000007fe0000000 type 6 MTRR: 2 base 0x0000000060000000 mask 0x0000007ff0000000 type 6 MTRR: 3 base 0x0000000070000000 mask 0x0000007ff8000000 type 6 MTRR: 4 base 0x0000000078000000 mask 0x0000007ffc000000 type 6 MTRR: 5 base 0x000000007b800000 mask 0x0000007fff800000 type 0 MTRR: 6 base 0x00000000ff000000 mask 0x0000007fff000000 type 5 MTRR: 7 base 0x0000000100000000 mask 0x0000007f00000000 type 6 CPU_CLUSTER: 0 init finished in 466249 usecs PCI: 00:00.0 init ... PCI: 00:00.0 init finished in 2226 usecs PCI: 00:00.1 init ... PCI: 00:00.1 init finished in 2225 usecs PCI: 00:00.2 init ... PCI: 00:00.2 init finished in 2226 usecs PCI: 00:02.0 init ... PCI: 00:02.0 init finished in 2225 usecs PCI: 00:03.0 init ... PCI: 00:03.0 init finished in 2223 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 27266 usecs PCI: 00:0d.2 init ... PCI: 00:0d.2 init finished in 2223 usecs PCI: 00:0f.0 init ... PCI: 00:0f.0 init finished in 2225 usecs PCI: 00:0f.1 init ... PCI: 00:0f.1 init finished in 2224 usecs PCI: 00:0f.2 init ... PCI: 00:0f.2 init finished in 2216 usecs PCI: 00:15.0 init ... PCI: 00:15.0 init finished in 2226 usecs PCI: 00:16.0 init ... LPSS I2C bus 0 at 0xc2b21000 (400 KHz) PCI: 00:16.0 init finished in 6095 usecs PCI: 00:16.1 init ... LPSS I2C bus 1 at 0xc2b23000 (400 KHz) PCI: 00:16.1 init finished in 6096 usecs PCI: 00:16.2 init ... LPSS I2C bus 2 at 0xc2b25000 (400 KHz) PCI: 00:16.2 init finished in 6082 usecs PCI: 00:16.3 init ... LPSS I2C bus 3 at 0xc2b27000 (400 KHz) PCI: 00:16.3 init finished in 6094 usecs PCI: 00:17.0 init ... LPSS I2C bus 4 at 0xc2b29000 (400 KHz) PCI: 00:17.0 init finished in 6089 usecs PCI: 00:17.1 init ... LPSS I2C bus 5 at 0xc2b2b000 (400 KHz) PCI: 00:17.1 init finished in 6091 usecs PCI: 00:19.0 init ... PCI: 00:19.0 init finished in 2224 usecs PCI: 00:1c.0 init ... PCI: 00:1c.0 init finished in 2223 usecs PCI: 00:1f.0 init ... RTC Init PCI: 00:1f.0 init finished in 3539 usecs PCI: 00:1f.1 init ... PCI: 00:1f.1 init finished in 2224 usecs PCI: 01:00.0 init ... PCI: 01:00.0 init finished in 2319 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 42053 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 4964 run 877873 exit 885 ELOG: Event(A1) added with size 10 at 2023-04-20 14:13:46 UTC elog_add_boot_reason: Logged recovery mode boot (Dev-switch on), reason: 0x1b ELOG: Event(A0) added with size 9 at 2023-04-20 14:13:46 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 24775 run 3926 exit 5236 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 aeba 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. 7affe920 0000006c GNVS PTR 9. 7affe900 00000004 BS: BS_WRITE_TABLES times (us): entry 0 run 813327 exit 0 FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'fallback/payload' CBFS: Found @ offset f6d00 size 36dd4 Loading segment from ROM address 0xff37cd38 code (compression=0) New segment dstaddr 0x30104040 memsize 0x251570 srcaddr 0xff37cd70 filesize 0x36d9c Loading segment from ROM address 0xff37cd54 Entry Point 0x30104040 Loading Segment: addr: 0x0000000030104040 memsz: 0x0000000000251570 filesz: 0x0000000000036d9c lb: [0x000000007ab78000, 0x000000007abc4bb0) Post relocation: addr: 0x0000000030104040 memsz: 0x0000000000251570 filesz: 0x0000000000036d9c it's not compressed! [ 0x30104040, 3013addc, 0x303555b0) <- ff37cd70 Clearing Segment: addr: 0x000000003013addc memsz: 0x000000000021a7d4 dest 30104040, end 303555b0, bouncebuffer ffffffff Loaded segments CSE FWSTS1: 0x80000245 CSE FWSTS2: 0x3b850000 CSE FWSTS3: 0x00000000 CSE FWSTS4: 0x00080000 CSE FWSTS5: 0x00000000 CSE FWSTS6: 0x40000000 ME: Manufacturing Mode : NO ME: FPF status : fused BS: BS_PAYLOAD_LOAD times (us): entry 174 run 107597 exit 30900 Jumping to boot code at 30104040(7ab34000) CPU0: stack: 7abb4000 - 7abb5000, lowest used address 7abb481c, stack used: 2020 bytes Starting depthcharge on coral... WARNING: can't convert coreboot GPIOs, 'lid' won't be resampled at runtime! WARNING: can't convert coreboot GPIOs, 'power' won't be resampled at runtime! BIOS MMAP details: IFD Base Offset : 0x1000 IFD End Offset : 0xf7f000 MMAP Size : 0xf7e000 MMAP Start : 0xff082000 The GBB signature is at 0x30004040 and is: 24 47 42 42 [firmware-coral-10068.B-rcn] Dec 21 2020 15:04:32 coral: enet dhcp enet dhcp Waiting for link R8152: Initializing Version 9 (ocp_data = 6010) R8152: Done initializing Adding net device done. MAC: 00:e0:4c:68:0a:3b Sending DHCP discover... done. Waiting for reply... done. Sending DHCP request... done. Waiting for reply... done. My ip is 192.168.201.10 The DHCP server ip is 192.168.201.1 coral: tftpboot 192.168.201.1 10062610/tftp-deploy-1tty3ta9/kernel/bzImage 10062610/tftp-deploy-1tty3ta9/kernel/cmdline 10062610/tftp-deploy-1tty3ta9/ramdisk/ramdisk.cpio.gz tftpboot 192.168.201.1 10062610/tftp-deploy-1tty3ta9/kernel/bzImaloy-1tty3ta9/kernel/cmdline 10062610/tftp-deploy-1tty3ta9/ramdisk/ramdisk.cpio.gz Waiting for link done. MAC: 00:e0:4c:68:0a:3b Sending DHCP discover... done. Waiting for reply... done. Sending DHCP request... done. Waiting for reply... done. My ip is 192.168.201.10 The DHCP server ip is 192.168.201.1 TFTP server IP predefined by user: 192.168.201.1 Bootfile predefined by user: 10062610/tftp-deploy-1tty3ta9/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 16389856 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: 10062610/tftp-deploy-1tty3ta9/kernel/cmdline The command line is: earlyprintk=uart8250,mmio32,0xde000000,115200n8 console_msg_format=syslog earlycon console=ttyS2,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/10062610/extract-nfsrootfs-1im_xvp4,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: 22768079 Starting kernel ... <5>[ 0.000000] Linux version 5.10.178-cip31 (KernelCI@build-j1380617-x86-64-gcc-10-x86-64-defconfig-x86-chromebontb8n) (gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2) #1 SMP Thu Apr 20 13:58:13 UTC 2023 <6>[ 0.000000] Command line: earlyprintk=uart8250,mmio32,0xde000000,115200n8 console_msg_format=syslog earlycon console=ttyS2,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/10062610/extract-nfsrootfs-1im_xvp4,tcp,hard ip=dhcp tftpserverip=192.168.201.1 <6>[ 0.000000] x86/fpu: Supporting XSAVE feature 0x001: 'x87 floating point registers' <6>[ 0.000000] x86/fpu: Supporting XSAVE feature 0x002: 'SSE registers' <6>[ 0.000000] x86/fpu: Supporting XSAVE feature 0x008: 'MPX bounds registers' <6>[ 0.000000] x86/fpu: Supporting XSAVE feature 0x010: 'MPX CSR' <6>[ 0.000000] x86/fpu: xstate_offset[3]: 576, xstate_sizes[3]: 64 <6>[ 0.000000] x86/fpu: xstate_offset[4]: 640, xstate_sizes[4]: 64 <6>[ 0.000000] x86/fpu: Enabled xstate features 0x1b, context size is 704 bytes, using 'compacted' format. <6>[ 0.000000] BIOS-provided physical RAM map: <6>[ 0.000000] BIOS-e820: [mem 0x0000000000000000-0x0000000000000fff] type 16 <6>[ 0.000000] BIOS-e820: [mem 0x0000000000001000-0x000000000009ffff] usable <6>[ 0.000000] BIOS-e820: [mem 0x00000000000a0000-0x00000000000fffff] reserved <6>[ 0.000000] BIOS-e820: [mem 0x0000000000100000-0x000000000fffffff] usable <6>[ 0.000000] BIOS-e820: [mem 0x0000000010000000-0x0000000012150fff] reserved <6>[ 0.000000] BIOS-e820: [mem 0x0000000012151000-0x000000007a9fcfff] usable <6>[ 0.000000] BIOS-e820: [mem 0x000000007a9fd000-0x000000007affffff] type 16 <6>[ 0.000000] BIOS-e820: [mem 0x000000007b000000-0x000000007fffffff] reserved <6>[ 0.000000] BIOS-e820: [mem 0x00000000d0000000-0x00000000d0ffffff] reserved <6>[ 0.000000] BIOS-e820: [mem 0x00000000e0000000-0x00000000efffffff] reserved <6>[ 0.000000] BIOS-e820: [mem 0x00000000fed10000-0x00000000fed17fff] reserved <6>[ 0.000000] BIOS-e820: [mem 0x0000000100000000-0x000000017fffffff] usable <6>[ 0.000000] NX (Execute Disable) protection: active <6>[ 0.000000] SMBIOS 2.7 present. <6>[ 0.000000] DMI: Google Coral/Coral, BIOS 09/29/2020 <6>[ 0.000000] tsc: Detected 1094.400 MHz processor <6>[ 0.000060] last_pfn = 0x180000 max_arch_pfn = 0x400000000 <6>[ 0.000307] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT <6>[ 0.001156] last_pfn = 0x7a9fd max_arch_pfn = 0x400000000 <6>[ 0.005295] check: Scanning 1 areas for low memory corruption <6>[ 0.005308] Using GB pages for direct mapping <6>[ 0.006062] RAMDISK: [mem 0x375d5000-0x37ffffff] <6>[ 0.006070] ACPI: Early table checksum verification disabled <6>[ 0.006079] ACPI: RSDP 0x00000000000F0000 000024 (v02 CORE ) <6>[ 0.006089] ACPI: XSDT 0x000000007AB100E0 00005C (v01 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.006103] ACPI: FACP 0x000000007AB13130 0000F4 (v04 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.006117] ACPI: DSDT 0x000000007AB10280 002EA8 (v05 COREv4 COREBOOT 20110725 INTL 20150717) <6>[ 0.006127] ACPI: FACS 0x000000007AB10240 000040 <6>[ 0.006136] ACPI: FACS 0x000000007AB10240 000040 <6>[ 0.006145] ACPI: SSDT 0x000000007AB13230 0015FA (v02 CORE COREBOOT 0000002A CORE 0000002A) <6>[ 0.006155] ACPI: MCFG 0x000000007AB14830 00003C (v01 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.006164] ACPI: TCPA 0x000000007AB14870 000032 (v02 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.006174] ACPI: APIC 0x000000007AB148B0 00006C (v01 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.006183] ACPI: NHLT 0x000000007AB14920 000E60 (v05 coral coral 00000021 CORE 00000000) <6>[ 0.006193] ACPI: HPET 0x000000007AB17780 000038 (v01 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.006203] ACPI: Reserving FACP table memory at [mem 0x7ab13130-0x7ab13223] <6>[ 0.006207] ACPI: Reserving DSDT table memory at [mem 0x7ab10280-0x7ab13127] <6>[ 0.006211] ACPI: Reserving FACS table memory at [mem 0x7ab10240-0x7ab1027f] <6>[ 0.006215] ACPI: Reserving FACS table memory at [mem 0x7ab10240-0x7ab1027f] <6>[ 0.006219] ACPI: Reserving SSDT table memory at [mem 0x7ab13230-0x7ab14829] <6>[ 0.006223] ACPI: Reserving MCFG table memory at [mem 0x7ab14830-0x7ab1486b] <6>[ 0.006227] ACPI: Reserving TCPA table memory at [mem 0x7ab14870-0x7ab148a1] <6>[ 0.006231] ACPI: Reserving APIC table memory at [mem 0x7ab148b0-0x7ab1491b] <6>[ 0.006235] ACPI: Reserving NHLT table memory at [mem 0x7ab14920-0x7ab1577f] <6>[ 0.006239] ACPI: Reserving HPET table memory at [mem 0x7ab17780-0x7ab177b7] <6>[ 0.006360] No NUMA configuration found <6>[ 0.006365] Faking a node at [mem 0x0000000000000000-0x000000017fffffff] <6>[ 0.006373] NODE_DATA(0) allocated [mem 0x17fff9000-0x17fffcfff] <6>[ 0.006420] Zone ranges: <6>[ 0.006425] DMA [mem 0x0000000000001000-0x0000000000ffffff] <6>[ 0.006431] DMA32 [mem 0x0000000001000000-0x00000000ffffffff] <6>[ 0.006437] Normal [mem 0x0000000100000000-0x000000017fffffff] <6>[ 0.006443] Movable zone start for each node <6>[ 0.006447] Early memory node ranges <6>[ 0.006450] node 0: [mem 0x0000000000001000-0x000000000009ffff] <6>[ 0.006455] node 0: [mem 0x0000000000100000-0x000000000fffffff] <6>[ 0.006459] node 0: [mem 0x0000000012151000-0x000000007a9fcfff] <6>[ 0.006463] node 0: [mem 0x0000000100000000-0x000000017fffffff] <6>[ 0.006468] Initmem setup node 0 [mem 0x0000000000001000-0x000000017fffffff] <6>[ 0.006499] On node 0, zone DMA: 1 pages in unavailable ranges <6>[ 0.006548] On node 0, zone DMA: 96 pages in unavailable ranges <6>[ 0.013086] On node 0, zone DMA32: 8529 pages in unavailable ranges <6>[ 0.020379] On node 0, zone Normal: 22019 pages in unavailable ranges <6>[ 0.020411] Reserving Intel graphics memory at [mem 0x7c000000-0x7fffffff] <6>[ 0.020707] ACPI: PM-Timer IO Port: 0x408 <6>[ 0.020781] IOAPIC[0]: apic_id 2, version 32, address 0xfec00000, GSI 0-119 <6>[ 0.020798] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl) <6>[ 0.020804] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 low level) <6>[ 0.020816] Using ACPI (MADT) for SMP configuration information <6>[ 0.020821] ACPI: HPET id: 0x8086a701 base: 0xfed00000 <6>[ 0.020833] TSC deadline timer available <6>[ 0.020838] smpboot: Allowing 4 CPUs, 0 hotplug CPUs <6>[ 0.020871] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] <6>[ 0.020877] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000fffff] <6>[ 0.020882] PM: hibernation: Registered nosave memory: [mem 0x10000000-0x12150fff] <6>[ 0.020887] PM: hibernation: Registered nosave memory: [mem 0x7a9fd000-0x7affffff] <6>[ 0.020890] PM: hibernation: Registered nosave memory: [mem 0x7b000000-0x7fffffff] <6>[ 0.020894] PM: hibernation: Registered nosave memory: [mem 0x80000000-0xcfffffff] <6>[ 0.020898] PM: hibernation: Registered nosave memory: [mem 0xd0000000-0xd0ffffff] <6>[ 0.020901] PM: hibernation: Registered nosave memory: [mem 0xd1000000-0xdfffffff] <6>[ 0.020905] PM: hibernation: Registered nosave memory: [mem 0xe0000000-0xefffffff] <6>[ 0.020909] PM: hibernation: Registered nosave memory: [mem 0xf0000000-0xfed0ffff] <6>[ 0.020913] PM: hibernation: Registered nosave memory: [mem 0xfed10000-0xfed17fff] <6>[ 0.020917] PM: hibernation: Registered nosave memory: [mem 0xfed18000-0xffffffff] <6>[ 0.020924] [mem 0x80000000-0xcfffffff] available for PCI devices <6>[ 0.020933] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1910969940391419 ns <6>[ 0.031194] setup_percpu: NR_CPUS:64 nr_cpumask_bits:64 nr_cpu_ids:4 nr_node_ids:1 <6>[ 0.031814] percpu: Embedded 59 pages/cpu s200848 r8192 d32624 u524288 <6>[ 0.031920] Built 1 zonelists, mobility grouping on. Total pages: 1002002 <6>[ 0.031929] Policy zone: Normal <5>[ 0.031947] Kernel command line: earlyprintk=uart8250,mmio32,0xde000000,115200n8 console_msg_format=syslog earlycon console=ttyS2,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/10062610/extract-nfsrootfs-1im_xvp4,tcp,hard ip=dhcp tftpserverip=192.168.201.1 <6>[ 0.032934] Dentry cache hash table entries: 524288 (order: 10, 4194304 bytes, linear) <6>[ 0.033376] Inode-cache hash table entries: 262144 (order: 9, 2097152 bytes, linear) <6>[ 0.033442] mem auto-init: stack:off, heap alloc:off, heap free:off <6>[ 0.066741] Memory: 3860848K/4071724K available (22546K kernel code, 3691K rwdata, 9376K rodata, 2144K init, 14104K bss, 210616K reserved, 0K cma-reserved) <6>[ 0.066893] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1 <6>[ 0.066952] Kernel/User page tables isolation: enabled <6>[ 0.067028] ftrace: allocating 60731 entries in 238 pages <6>[ 0.101929] ftrace: allocated 238 pages with 6 groups <6>[ 0.102278] Running RCU self tests <6>[ 0.102296] rcu: Hierarchical RCU implementation. <6>[ 0.102301] rcu: RCU event tracing is enabled. <6>[ 0.102304] rcu: RCU lockdep checking is enabled. <6>[ 0.102308] rcu: RCU restricting CPUs from NR_CPUS=64 to nr_cpu_ids=4. <6>[ 0.102312] Rude variant of Tasks RCU enabled. <6>[ 0.102316] Tracing variant of Tasks RCU enabled. <6>[ 0.102320] rcu: RCU calculated value of scheduler-enlistment delay is 100 jiffies. <6>[ 0.102325] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=4 <6>[ 0.110375] NR_IRQS: 4352, nr_irqs: 1024, preallocated irqs: 16 <5>[ 0.110811] random: crng init done <6>[ 0.110923] Console: colour dummy device 80x25 <6>[ 0.182725] printk: console [ttyS2] enabled <4>[ 0.183111] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar <4>[ 0.183777] ... MAX_LOCKDEP_SUBCLASSES: 8 <4>[ 0.184144] ... MAX_LOCK_DEPTH: 48 <4>[ 0.184526] ... MAX_LOCKDEP_KEYS: 8192 <4>[ 0.184914] ... CLASSHASH_SIZE: 4096 <4>[ 0.185305] ... MAX_LOCKDEP_ENTRIES: 32768 <4>[ 0.185709] ... MAX_LOCKDEP_CHAINS: 65536 <4>[ 0.186104] ... CHAINHASH_SIZE: 32768 <4>[ 0.186503] memory used by lock dependency info: 6365 kB <4>[ 0.186983] memory used for stack traces: 4224 kB <4>[ 0.187406] per task-struct memory footprint: 1920 bytes <6>[ 0.187940] ACPI: Core revision 20200925 <6>[ 0.188573] clocksource: hpet: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 99544814920 ns <6>[ 0.189439] APIC: Switch to symmetric I/O mode setup <6>[ 0.194416] ..TIMER: vector=0x30 apic1=0 pin1=2 apic2=-1 pin2=-1 <6>[ 0.199428] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0xfc66f4fc7c, max_idle_ns: 440795224246 ns <6>[ 0.200344] Calibrating delay loop (skipped), value calculated using timer frequency.. 2188.80 BogoMIPS (lpj=1094400) <6>[ 0.201331] pid_max: default: 32768 minimum: 301 <6>[ 0.202400] LSM: Security Framework initializing <6>[ 0.202835] SELinux: Initializing. <6>[ 0.203386] LSM support for eBPF active <6>[ 0.203781] Mount-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) <6>[ 0.204344] Mountpoint-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) <6>[ 0.206503] mce: CPU0: Thermal monitoring enabled (TM1) <6>[ 0.207070] Last level iTLB entries: 4KB 48, 2MB 0, 4MB 0 <6>[ 0.207330] Last level dTLB entries: 4KB 0, 2MB 0, 4MB 0, 1GB 0 <6>[ 0.207863] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization <6>[ 0.208332] Spectre V2 : Mitigation: Retpolines <6>[ 0.208744] Spectre V2 : Spectre v2 / SpectreRSB mitigation: Filling RSB on context switch <6>[ 0.209331] Spectre V2 : Spectre v2 / SpectreRSB : Filling RSB on VMEXIT <6>[ 0.210331] Speculative Store Bypass: Vulnerable <4>[ 0.231668] ------------[ cut here ]------------ <4>[ 0.232105] missing return thunk: lkdtm_rodata_do_nothing+0x0/0x10-lkdtm_rodata_do_nothing+0x5/0x10: e9 00 00 00 00 <4>[ 0.232117] WARNING: CPU: 0 PID: 0 at arch/x86/kernel/alternative.c:712 apply_returns+0x1f5/0x220 <4>[ 0.233330] Modules linked in: <4>[ 0.233632] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.10.178-cip31 #1 <4>[ 0.234331] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 0.234858] RIP: 0010:apply_returns+0x1f5/0x220 <4>[ 0.235332] 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 00 55 af 89 c6 05 2b ee 46 02 01 e8 e4 aa 10 01 <0f> 0b e9 b9 fe ff ff 44 89 f9 c7 00 cc cc cc cc c7 44 08 fc cc cc <4>[ 0.236330] RSP: 0000:ffffffff89e03de0 EFLAGS: 00010282 <4>[ 0.237330] RAX: 0000000000000000 RBX: ffffffff8aa09018 RCX: 0000000000000000 <4>[ 0.237950] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff87d77b21 <4>[ 0.238330] RBP: ffffffff8977e540 R08: 0000000000000001 R09: 0000000000000001 <4>[ 0.239330] R10: ffffffff89e8fe40 R11: 3fffffffffffffff R12: ffffffff8aa210ac <4>[ 0.239950] R13: cccccccccccccccc R14: ffffffff8977e545 R15: 0000000000000004 <4>[ 0.240332] FS: 0000000000000000(0000) GS:ffff91073bc00000(0000) knlGS:0000000000000000 <4>[ 0.241331] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 0.241842] CR2: ffff91073ffff000 CR3: 0000000032826000 CR4: 00000000003506f0 <4>[ 0.242331] Call Trace: <4>[ 0.242575] ? lock_acquire+0xbf/0x280 <4>[ 0.242945] alternative_instructions+0x7d/0x143 <4>[ 0.243335] check_bugs+0xe9f/0xefb <4>[ 0.243663] start_kernel+0x517/0x54d <4>[ 0.244013] secondary_startup_64_no_verify+0xc2/0xcb <4>[ 0.244344] irq event stamp: 108461 <4>[ 0.244673] hardirqs last enabled at (108469): [] console_unlock+0x4d1/0x5f0 <4>[ 0.245331] hardirqs last disabled at (108480): [] console_unlock+0x444/0x5f0 <4>[ 0.246332] softirqs last enabled at (108490): [] irq_enter_rcu+0x71/0x80 <4>[ 0.247331] softirqs last disabled at (108501): [] irq_enter_rc0x80 <4>[ 0] ---[9 end trace 388eb702d36896f9 ]--- <6>[ 0.257435] Freeing SMP alternatives memory: 48K <6>[ 0.259655] smpboot: CPU0: Intel(R) Pentium(R) CPU N4200 @ 1.10GHz (family: 0x6, model: 0x5c, stepping: 0x9) <6>[ 0.260994] Performance Events: PEBS fmt3+, Goldmont events, 32-deep LBR, full-width counters, Intel PMU driver. <6>[ 0.261342] ... version: 4 <6>[ 0.261703] ... bit width: 48 <6>[ 0.262078] ... generic registers: 4 <6>[ 0.262332] ... value mask: 0000ffffffffffff <6>[ 0.262797] ... max period: 00007fffffffffff <6>[ 0.263270] ... fixed-purpose events: 3 <6>[ 0.263332] ... event mask: 000000070000000f <6>[ 0.264245] rcu: Hierarchical SRCU implementation. <6>[ 0.265973] smp: Bringing up secondary CPUs ... <6>[ 0.267075] x86: Booting SMP configuration: <6>[ 0.267344] .... node #0, CPUs: #1 #2 #3 <6>[ 0.270394] smp: Brought up 1 node, 4 CPUs <6>[ 0.271175] smpboot: Max logical packages: 1 <6>[ 0.271335] smpboot: Total of 4 processors activated (8755.20 BogoMIPS) <6>[ 0.273680] devtmpfs: initialized <6>[ 0.274355] x86/mm: Memory block size: 128MB <6>[ 0.278338] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1911260446275000 ns <6>[ 0.278343] futex hash table entries: 1024 (order: 5, 131072 bytes, linear) <6>[ 0.279438] pinctrl core: initialized pinctrl subsystem <6>[ 0.280783] PM: RTC time: 14:14:04, date: 2023-04-20 <6>[ 0.281772] NET: Registered protocol family 16 <6>[ 0.282822] audit: initializing netlink subsys (disabled) <5>[ 0.284371] audit: type=2000 audit(1682000044.089:1): state=initialized audit_enabled=0 res=1 <6>[ 0.284328] thermal_sys: Registered thermal governor 'step_wise' <6>[ 0.284328] thermal_sys: Registered thermal governor 'user_space' <6>[ 0.285424] cpuidle: using governor menu <6>[ 0.286560] ACPI: bus type PCI registered <6>[ 0.287387] PCI: MMCONFIG for domain 0000 [bus 00-ff] at [mem 0xe0000000-0xefffffff] (base 0xe0000000) <6>[ 0.288198] PCI: MMCONFIG at [mem 0xe0000000-0xefffffff] reserved in E820 <6>[ 0.288383] PCI: Using configuration type 1 for base access <6>[ 0.318463] Kprobes globally optimized <6>[ 0.319416] HugeTLB registered 1.00 GiB page size, pre-allocated 0 pages <6>[ 0.319965] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages <6>[ 0.321466] cryptomgr_test (39) used greatest stack depth: 14880 bytes left <6>[ 0.324709] ACPI: Added _OSI(Module Device) <6>[ 0.325344] ACPI: Added _OSI(Processor Device) <6>[ 0.325749] ACPI: Added _OSI(3.0 _SCP Extensions) <6>[ 0.326178] ACPI: Added _OSI(Processor Aggregator Device) <6>[ 0.326336] ACPI: Added _OSI(Linux-Dell-Video) <6>[ 0.326736] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio) <6>[ 0.327215] ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics) <6>[ 0.334187] ACPI: 2 ACPI AML tables successfully acquired and loaded <6>[ 0.340433] ACPI: EC: EC started <6>[ 0.340758] ACPI: EC: interrupt blocked <6>[ 0.341616] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62 <6>[ 0.342075] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC used to handle transactions <6>[ 0.342332] ACPI: Interpreter enabled <6>[ 0.342718] ACPI: (supports S0 S3 S5) <6>[ 0.343058] ACPI: Using IOAPIC for interrupt routing <6>[ 0.343380] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug <6>[ 0.344859] ACPI: Enabled 1 GPEs in block 00 to 7F <6>[ 0.348504] ACPI: Power Resource [PXP] (on) <6>[ 0.370475] ACPI: Power Resource [PRIC] (on) <6>[ 0.396744] ACPI: Power Resource [PRIC] (on) <6>[ 0.464713] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) <6>[ 0.465274] acpi PNP0A08:00: _OSC: OS supports [ExtendedConfig ASPM ClockPM Segments MSI HPX-Type3] <6>[ 0.466565] acpi PNP0A08:00: _OSC: OS now controls [PME PCIeCapability LTR] <6>[ 0.467799] PCI host bridge to bus 0000:00 <6>[ 0.468174] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] <6>[ 0.468335] pci_bus 0000:00: root bus resource [io 0x1000-0xffff window] <6>[ 0.468933] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] <6>[ 0.470334] pci_bus 0000:00: root bus resource [mem 0x7b800000-0x7fffffff window] <6>[ 0.470985] pci_bus 0000:00: root bus resource [mem 0x80000000-0xe0000000 window] <6>[ 0.471333] pci_bus 0000:00: root bus resource [bus 00-ff] <6>[ 0.471899] pci 0000:00:00.0: [8086:5af0] type 00 class 0x060000 <6>[ 0.473118] pci 0000:00:00.1: [8086:5a8c] type 00 class 0x118000 <6>[ 0.473370] pci 0000:00:00.1: reg 0x10: [mem 0xc2b10000-0xc2b17fff 64bit] <6>[ 0.474529] pci 0000:00:00.2: [8086:5a8e] type 00 class 0x130000 <6>[ 0.475077] pci 0000:00:00.2: reg 0x10: [mem 0xc2800000-0xc28fffff 64bit] <6>[ 0.476346] pci 0000:00:00.2: reg 0x18: [mem 0xc2000000-0xc27fffff 64bit] <6>[ 0.476949] pci 0000:00:00.2: reg 0x20: [mem 0xc2b38000-0xc2b381ff 64bit] <6>[ 0.477711] pci 0000:00:02.0: [8086:5a84] type 00 class 0x030000 <6>[ 0.478259] pci 0000:00:02.0: reg 0x10: [mem 0xc0000000-0xc0ffffff 64bit] <6>[ 0.478344] pci 0000:00:02.0: reg 0x18: [mem 0xb0000000-0xbfffffff 64bit pref] <6>[ 0.478980] pci 0000:00:02.0: reg 0x20: [io 0x1000-0x103f] <6>[ 0.479743] pci 0000:00:03.0: [8086:5a88] type 00 class 0x048000 <6>[ 0.480283] pci 0000:00:03.0: reg 0x10: [mem 0xc1000000-0xc1ffffff 64bit] <6>[ 0.481795] pci 0000:00:0e.0: [8086:5a98] type 00 class 0x040100 <6>[ 0.482359] pci 0000:00:0e.0: reg 0x10: [mem 0xc2b18000-0xc2b1bfff 64bit] <6>[ 0.482992] pci 0000:00:0e.0: reg 0x20: [mem 0xc2900000-0xc29fffff 64bit] <6>[ 0.483444] pci 0000:00:0e.0: PME# supported from D0 D3hot D3cold <6>[ 0.484535] pci 0000:00:0f.0: [8086:5a9a] type 00 class 0x078000 <6>[ 0.485107] pci 0000:00:0f.0: reg 0x10: [mem 0xc2b1e000-0xc2b1efff 64bit] <6>[ 0.486486] pci 0000:00:0f.0: PME# supported from D3hot <6>[ 0.487365] pci 0000:00:14.0: [8086:5ad6] type 01 class 0x060400 <6>[ 0.488065] pci 0000:00:14.0: PME# supported from D0 D3hot D3cold <6>[ 0.488881] pci 0000:00:15.0: [8086:5aa8] type 00 class 0x0c0330 <6>[ 0.489360] pci 0000:00:15.0: reg 0x10: [mem 0xc2b00000-0xc2b0ffff 64bit] <6>[ 0.490068] pci 0000:00:15.0: PME# supported from D3hot D3cold <6>[ 0.490854] pci 0000:00:16.0: [8086:5aac] type 00 class 0x118000 <6>[ 0.491376] pci 0000:00:16.0: reg 0x10: [mem 0xc2b21000-0xc2b21fff 64bit] <6>[ 0.491984] pci 0000:00:16.0: reg 0x18: [mem 0xc2b22000-0xc2b22fff 64bit] <6>[ 0.492895] pci 0000:00:16.1: [8086:5aae] type 00 class 0x118000 <6>[ 0.494370] pci 0000:00:16.1: reg 0x10: [mem 0xc2b23000-0xc2b23fff 64bit] <6>[ 0.494986] pci 0000:00:16.1: reg 0x18: [mem 0xc2b24000-0xc2b24fff 64bit] <6>[ 0.495880] pci 0000:00:16.2: [8086:5ab0] type 00 class 0x118000 <6>[ 0.496369] pci 0000:00:16.2: reg 0x10: [mem 0xc2b25000-0xc2b25fff 64bit] <6>[ 0.496983] pci 0000:00:16.2: reg 0x18: [mem 0xc2b26000-0xc2b26fff 64bit] <6>[ 0.497883] pci 0000:00:16.3: [8086:5ab2] type 00 class 0x118000 <6>[ 0.498378] pci 0000:00:16.3: reg 0x10: [mem 0xc2b27000-0xc2b27fff 64bit] <6>[ 0.498985] pci 0000:00:16.3: reg 0x18: [mem 0xc2b28000-0xc2b28fff 64bit] <6>[ 0.499912] pci 0000:00:17.0: [8086:5ab4] type 00 class 0x118000 <6>[ 0.501370] pci 0000:00:17.0: reg 0x10: [mem 0xc2b29000-0xc2b29fff 64bit] <6>[ 0.501987] pci 0000:00:17.0: reg 0x18: [mem 0xc2b2a000-0xc2b2afff 64bit] <6>[ 0.502875] pci 0000:00:17.1: [8086:5ab6] type 00 class 0x118000 <6>[ 0.503370] pci 0000:00:17.1: reg 0x10: [mem 0xc2b2b000-0xc2b2bfff 64bit] <6>[ 0.503991] pci 0000:00:17.1: reg 0x18: [mem 0xc2b2c000-0xc2b2cfff 64bit] <6>[ 0.504912] pci 0000:00:18.0: [8086:5abc] type 00 class 0x118000 <6>[ 0.505371] pci 0000:00:18.0: reg 0x10: [mem 0xc2b2d000-0xc2b2dfff 64bit] <6>[ 0.505987] pci 0000:00:18.0: reg 0x18: [mem 0xc2b2e000-0xc2b2efff 64bit] <6>[ 0.506889] pci 0000:00:18.1: [8086:5abe] type 00 class 0x118000 <6>[ 0.508369] pci 0000:00:18.1: reg 0x10: [mem 0xc2b2f000-0xc2b2ffff 64bit] <6>[ 0.508985] pci 0000:00:18.1: reg 0x18: [mem 0xc2b30000-0xc2b30fff 64bit] <6>[ 0.509883] pci 0000:00:18.2: [8086:5ac0] type 00 class 0x118000 <6>[ 0.510369] pci 0000:00:18.2: reg 0x10: [mem 0xde000000-0xde000fff 64bit] <6>[ 0.510984] pci 0000:00:18.2: reg 0x18: [mem 0xc2b31000-0xc2b31fff 64bit] <6>[ 0.511903] pci 0000:00:19.0: [8086:5ac2] type 00 class 0x118000 <6>[ 0.512376] pci 0000:00:19.0: reg 0x10: [mem 0xc2b32000-0xc2b32fff 64bit] <6>[ 0.512992] pci 0000:00:19.0: reg 0x18: [mem 0xc2b33000-0xc2b33fff 64bit] <6>[ 0.513923] pci 0000:00:1b.0: [8086:5aca] type 00 class 0x080501 <6>[ 0.515366] pci 0000:00:1b.0: reg 0x10: [mem 0xc2b34000-0xc2b34fff 64bit] <6>[ 0.515981] pci 0000:00:1b.0: reg 0x18: [mem 0xc2b35000-0xc2b35fff 64bit] <6>[ 0.516850] pci 0000:00:1c.0: [8086:5acc] type 00 class 0x080501 <6>[ 0.517360] pci 0000:00:1c.0: reg 0x10: [mem 0xc2b36000-0xc2b36fff 64bit] <6>[ 0.517971] pci 0000:00:1c.0: reg 0x18: [mem 0xc2b37000-0xc2b37fff 64bit] <6>[ 0.518966] pci 0000:00:1f.0: [8086:5ae8] type 00 class 0x060100 <6>[ 0.519903] pci 0000:00:1f.1: [8086:5ad4] type 00 class 0x0c0500 <6>[ 0.520399] pci 0000:00:1f.1: reg 0x10: [mem 0xc2b39000-0xc2b390ff 64bit] <6>[ 0.521073] pci 0000:00:1f.1: reg 0x20: [io 0x1040-0x105f] <6>[ 0.523176] pci 0000:01:00.0: [8086:095a] type 00 class 0x028000 <6>[ 0.523613] pci 0000:01:00.0: reg 0x10: [mem 0xc2a00000-0xc2a01fff 64bit] <6>[ 0.524775] pci 0000:01:00.0: Upstream bridge's Max Payload Size set to 128 (was 256, max 256) <6>[ 0.525480] pci 0000:01:00.0: Max Payload Size set to 128 (was 128, max 128) <6>[ 0.526828] pci 0000:01:00.0: PME# supported from D0 D3hot D3cold <6>[ 0.529195] pci 0000:00:14.0: PCI bridge to [bus 01] <6>[ 0.529344] pci 0000:00:14.0: bridge window [mem 0xc2a00000-0xc2afffff] <6>[ 0.536212] ACPI: EC: interrupt unblocked <6>[ 0.537333] ACPI: EC: event unblocked <6>[ 0.537703] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62 <6>[ 0.538166] ACPI: EC: GPE=0x2b <6>[ 0.538335] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC initialization complete <6>[ 0.538952] ACPI: \_SB_.PCI0.LPCB.EC0_: EC: Used to handle transactions and events <6>[ 0.540398] iommu: Default domain type: Translated <6>[ 0.540523] pci 0000:00:02.0: vgaarb: setting as boot VGA device <6>[ 0.540944] pci 0000:00:02.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none <6>[ 0.542356] pci 0000:00:02.0: vgaarb: bridge control possible <6>[ 0.542865] vgaarb: loaded <5>[ 0.543619] SCSI subsystem initialized <6>[ 0.544407] ACPI: bus type USB registered <6>[ 0.544845] usbcore: registered new interface driver usbfs <6>[ 0.545380] usbcore: registered new interface driver hub <6>[ 0.545894] usbcore: registered new device driver usb <6>[ 0.546440] mc: Linux media interface: v0.10 <6>[ 0.546850] videodev: Linux video capture interface: v2.00 <6>[ 0.547362] pps_core: LinuxPPS API ver. 1 registered <6>[ 0.547809] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <6>[ 0.548342] PTP clock support registered <6>[ 0.549568] Advanced Linux Sound Architecture Driver Initialized. <6>[ 0.551179] NetLabel: Initializing <6>[ 0.551334] NetLabel: domain hash size = 128 <6>[ 0.551733] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO <6>[ 0.552297] NetLabel: unlabeled traffic allowed by default <6>[ 0.552444] PCI: Using ACPI for IRQ routing <4>[ 0.582998] Expanded resource Reserved due to conflict with PCI Bus 0000:00 <6>[ 0.583425] hpet0: at MMIO 0xfed00000, IRQs 2, 8, 0, 0, 0, 0, 0, 0 <6>[ 0.583992] hpet0: 8 comparators, 64-bit 19.200000 MHz counter <6>[ 0.587434] clocksource: Switched to clocksource tsc-early <5>[ 0.967453] VFS: Disk quotas dquot_6.6.0 <6>[ 0.967865] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) <6>[ 0.968849] pnp: PnP ACPI init <6>[ 0.969827] system 00:00: [io 0x0900-0x09fe] has been reserved <6>[ 0.970598] system 00:01: [io 0x0200] has been reserved <6>[ 0.971076] system 00:01: [io 0x0204] has been reserved <6>[ 0.971558] system 00:01: [io 0x0800-0x087f] has been reserved <6>[ 0.972075] system 00:01: [io 0x0880-0x08ff] has been reserved <6>[ 0.975226] pnp: PnP ACPI: found 3 devices <6>[ 0.988784] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns <6>[ 0.989686] NET: Registered protocol family 2 <6>[ 0.990260] IP idents hash table entries: 65536 (order: 7, 524288 bytes, linear) <6>[ 0.992311] tcp_listen_portaddr_hash hash table entries: 2048 (order: 5, 163840 bytes, linear) <6>[ 0.993312] TCP established hash table entries: 32768 (order: 6, 262144 bytes, linear) <6>[ 0.994224] TCP bind hash table entries: 32768 (order: 9, 2359296 bytes, linear) <6>[ 0.996830] TCP: Hash tables configured (established 32768 bind 32768) <6>[ 0.997904] MPTCP token hash table entries: 4096 (order: 6, 360448 bytes, linear) <6>[ 0.998889] UDP hash table entries: 2048 (order: 6, 327680 bytes, linear) <6>[ 0.999768] UDP-Lite hash table entries: 2048 (order: 6, 327680 bytes, linear) <6>[ 1.000847] NET: Registered protocol family 1 <6>[ 1.002010] RPC: Registered named UNIX socket transport module. <6>[ 1.002586] RPC: Registered udp transport module. <6>[ 1.003014] RPC: Registered tcp transport module. <6>[ 1.003441] RPC: Registered tcp NFSv4.1 backchannel transport module. <6>[ 1.004539] NET: Registered protocol family 44 <6>[ 1.004974] pci 0000:00:14.0: PCI bridge to [bus 01] <6>[ 1.005446] pci 0000:00:14.0: bridge window [mem 0xc2a00000-0xc2afffff] <6>[ 1.006054] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7 window] <6>[ 1.006608] pci_bus 0000:00: resource 5 [io 0x1000-0xffff window] <6>[ 1.007153] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window] <6>[ 1.007762] pci_bus 0000:00: resource 7 [mem 0x7b800000-0x7fffffff window] <6>[ 1.008374] pci_bus 0000:00: resource 8 [mem 0x80000000-0xe0000000 window] <6>[ 1.008975] pci_bus 0000:01: resource 1 [mem 0xc2a00000-0xc2afffff] <6>[ 1.009725] pci 0000:00:02.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff] <6>[ 1.012622] PCI: CLS 64 bytes, default 64 <6>[ 1.013357] Unpacking initramfs... <6>[ 1.289710] Freeing initrd memory: 10412K <6>[ 1.290088] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) <6>[ 1.290702] software IO TLB: mapped [mem 0x00000000769fd000-0x000000007a9fd000] (64MB) <6>[ 1.291706] RAPL PMU: API unit is 2^-32 Joules, 4 fixed counters, 655360 ms ovfl timer <6>[ 1.292418] RAPL PMU: hw unit of domain pp0-core 2^-14 Joules <6>[ 1.292932] RAPL PMU: hw unit of domain package 2^-14 Joules <6>[ 1.293507] RAPL PMU: hw unit of domain dram 2^-14 Joules <6>[ 1.293989] RAPL PMU: hw unit of domain pp1-gpu 2^-14 Joules <3>[ 1.295628] kvm: already loaded the other module <6>[ 1.296055] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0xfc66f4fc7c, max_idle_ns: 440795224246 ns <6>[ 1.296965] clocksource: Switched to clocksource tsc <6>[ 1.297504] platform rtc_cmos: registered platform RTC device (no PNP device found) <6>[ 1.300165] check: Scanning for low memory corruption every 60 seconds <5>[ 1.302929] Initialise system trusted keyrings <6>[ 1.303610] workingset: timestamp_bits=56 max_order=20 bucket_order=0 <5>[ 1.318748] NFS: Registering the id_resolver key type <5>[ 1.319249] Key type id_resolver registered <5>[ 1.319675] Key type id_legacy registered <5>[ 1.331392] Key type asymmetric registered <5>[ 1.331807] Asymmetric key parser 'x509' registered <6>[ 1.332297] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 248) <6>[ 1.332978] io scheduler mq-deadline registered <6>[ 1.333394] io scheduler kyber registered <4>[ 1.333998] test_firmware: interface ready <6>[ 1.335108] pcieport 0000:00:14.0: PME: Signaling with IRQ 120 <6>[ 1.336710] ACPI: AC Adapter [AC] (on-line) <6>[ 1.337389] input: Lid Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:14/PNP0C09:00/PNP0C0D:00/input/input0 <6>[ 1.338923] ACPI: Lid Switch [LID0] <6>[ 1.339425] input: Power Button as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0C:00/input/input1 <6>[ 1.340286] ACPI: Power Button [PWRB] <6>[ 1.340786] input: Sleep Button as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0E:00/input/input2 <6>[ 1.341670] ACPI: Sleep Button [SLP] <6>[ 1.342153] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input3 <6>[ 1.342972] ACPI: Power Button [PWRF] <6>[ 1.343528] ACPI: \_PR_.CP00: Found 3 idle states <6>[ 1.344595] ACPI: \_PR_.CP01: Found 3 idle states <6>[ 1.345413] ACPI: \_PR_.CP02: Found 3 idle states <6>[ 1.346188] ACPI: \_PR_.CP03: Found 3 idle states <6>[ 1.348059] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled <6>[ 1.350318] battery: ACPI: Battery Slot [BAT0] (battery present) <6>[ 1.350512] Non-volatile memory driver v1.3 <6>[ 1.351533] Linux agpgart interface v0.103 <6>[ 1.352403] [drm] amdgpu kernel modesetting enabled. <6>[ 1.355401] i915 0000:00:02.0: vgaarb: deactivate vga console <6>[ 1.409014] i915 0000:00:02.0: Invalid PCI ROM header signature: expecting 0xaa55, got 0x88a8 <6>[ 1.409814] i915 0000:00:02.0: [drm] Failed to find VBIOS tables (VBT) <6>[ 1.410583] i915 0000:00:02.0: vgaarb: changed VGA decodes: olddecodes=io+mem,decodes=io+mem:owns=io+mem <4>[ 1.411886] i915 0000:00:02.0: Direct firmware load for i915/bxt_dmc_ver1_07.bin failed with error -2 <5>[ 1.412774] i915 0000:00:02.0: [drm] Failed to load DMC firmware i915/bxt_dmc_ver1_07.bin. Disabling runtime power management. <5>[ 1.413770] i915 0000:00:02.0: [drm] DMC firmware homepage: https://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git/tree/i915 <6>[ 1.453798] [drm] Initialized i915 1.6.0 20200917 for 0000:00:02.0 on minor 0 <6>[ 1.457370] [drm] Initialized vgem 1.0.0 20120112 for vgem on minor 1 <6>[ 1.470793] loop: module loaded <6>[ 1.471673] lkdtm: No crash points registered, enable through debugfs <6>[ 1.515230] dw-apb-uart.6: ttyS0 at MMIO 0xc2b2d000 (irq = 4, base_baud = 115200) is a 16550A <6>[ 1.518537] dw-apb-uart.7: ttyS1 at MMIO 0xc2b2f000 (irq = 5, base_baud = 115200) is a 16550A <6>[ 1.521425] printk: console [ttyS2] disabled <6>[ 1.522052] dw-apb-uart.8: ttyS2 at MMIO 0xde000000 (irq = 6, base_baud = 114825) is a 16550A <6>[ 4.745035] printk: console [ttyS2] enabled <6>[ 4.745064] fbcon: i915drmfb (fb0) is primary device <4>[ 4.747162] pxa2xx-spi pxa2xx-spi.9: no DMA channels available, using PIO <6>[ 4.754968] e100: Intel(R) PRO/100 Network Driver <6>[ 4.754972] e100: Copyright(c) 1999-2006 Intel Corporation <6>[ 4.755014] e1000: Intel(R) PRO/1000 Network Driver <6>[ 4.755015] e1000: Copyright (c) 1999-2006 Intel Corporation. <6>[ 4.755071] e1000e: Intel(R) PRO/1000 Network Driver <6>[ 4.755073] e1000e: Copyright(c) 1999 - 2015 Intel Corporation. <6>[ 4.755130] sky2: driver version 1.30 <6>[ 4.755374] usbcore: registered new interface driver r8152 <6>[ 4.756064] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver <6>[ 4.756102] ehci-pci: EHCI PCI platform driver <6>[ 4.756182] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver <6>[ 4.756194] ohci-pci: OHCI PCI platform driver <6>[ 4.756236] uhci_hcd: USB Universal Host Controller Interface driver <6>[ 4.757490] xhci_hcd 0000:00:15.0: xHCI Host Controller <6>[ 4.758494] xhci_hcd 0000:00:15.0: new USB bus registered, assigned bus number 1 <6>[ 4.759721] xhci_hcd 0000:00:15.0: hcc params 0x200077c1 hci version 0x100 quirks 0x0000000081109810 <6>[ 4.759767] xhci_hcd 0000:00:15.0: cache line size of 64 is not supported <6>[ 4.760972] xhci_hcd 0000:00:15.0: xHCI Host Controller <6>[ 4.761586] xhci_hcd 0000:00:15.0: new USB bus registered, assigned bus number 2 <6>[ 4.761608] xhci_hcd 0000:00:15.0: Host supports USB 3.0 SuperSpeed <6>[ 4.762035] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.10 <6>[ 4.762049] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1 <6>[ 4.762052] usb usb1: Product: xHCI Host Controller <6>[ 4.762054] usb usb1: Manufacturer: Linux 5.10.178-cip31 xhci-hcd <6>[ 4.762056] usb usb1: SerialNumber: 0000:00:15.0 <6>[ 4.763455] hub 1-0:1.0: USB hub found <6>[ 4.763623] hub 1-0:1.0: 8 ports detected <6>[ 4.765096] usb usb2: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.10 <6>[ 4.765100] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1 <6>[ 4.765102] usb usb2: Product: xHCI Host Controller <6>[ 4.765105] usb usb2: Manufacturer: Linux 5.10.178-cip31 xhci-hcd <6>[ 4.765107] usb usb2: SerialNumber: 0000:00:15.0 <6>[ 4.765928] hub 2-0:1.0: USB hub found <6>[ 4.765963] hub 2-0:1.0: 7 ports detected <6>[ 4.767124] usbcore: registered new interface driver usblp <6>[ 4.767169] usbcore: registered new interface driver usb-storage <6>[ 4.767567] udc-core: couldn't find an available UDC - added [g_ether] to list of pending drivers <6>[ 4.767680] i8042: PNP: PS/2 Controller [PNP0303:PS2K] at 0x60,0x64 irq 1 <4>[ 4.767682] i8042: PNP: PS/2 appears to have AUX port disabled, if this is incorrect please boot with i8042.nopnp <4>[ 4.768207] i8042: Warning: Keylock active <6>[ 4.768464] serio: i8042 KBD port at 0x60,0x64 irq 1 <6>[ 4.770711] rtc_cmos rtc_cmos: RTC can wake from S4 <6>[ 4.772590] rtc_cmos rtc_cmos: registered as rtc0 <6>[ 4.772853] rtc_cmos rtc_cmos: alarms up to one month, 114 bytes nvram <6>[ 4.773158] Console: switching to colour frame buffer device 240x67 <6>[ 4.773569] input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input4 <4>[ 4.774986] i801_smbus 0000:00:1f.1: can't derive routing for PCI INT A <4>[ 4.774990] i801_smbus 0000:00:1f.1: PCI INT A: no GSI <6>[ 4.775022] i801_smbus 0000:00:1f.1: SPD Write Disable is set <3>[ 4.775073] genirq: Flags mismatch irq 0. 00000080 (i801_smbus) vs. 00015a00 (timer) <3>[ 4.775091] i801_smbus 0000:00:1f.1: Failed to allocate irq 0: -16 <6>[ 4.775093] i801_smbus 0000:00:1f.1: SMBus using polling <6>[ 4.776045] device-mapper: ioctl: 4.43.0-ioctl (2020-10-01) initialised: dm-devel@redhat.com <6>[ 4.776083] intel_pstate: Intel P-state driver initializing <6>[ 4.778464] sdhci: Secure Digital Host Controller Interface driver <6>[ 4.778470] sdhci: Copyright(c) Pierre Ossman <6>[ 4.778643] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) <6>[ 4.785080] sdhci-pci 0000:00:1c.0: SDHCI controller found [8086:5acc] (rev b) <6>[ 4.792651] mmc0: SDHCI controller on PCI [0000:00:1c.0] using ADMA 64-bit <6>[ 4.793587] hid: raw HID events driver (C) Jiri Kosina <6>[ 4.795742] usbcore: registered new interface driver usbhid <6>[ 4.795747] usbhid: USB HID core driver <6>[ 4.797642] input: Tablet Mode Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:14/PNP0C09:00/GOOG0006:00/input/input5 <6>[ 4.804285] cros_ec_lpcs GOOG0004:00: Chrome EC device registered <6>[ 4.809151] i915 0000:00:02.0: [drm] fb0: i915drmfb frame buffer device <6>[ 4.818117] snd_hda_intel 0000:00:0e.0: DSP detected with PCI class/subclass/prog-if info 0x040100 <6>[ 5.005592] usb 1-5: new high-speed USB device number 2 using xhci_hcd <6>[ 5.019173] snd_hda_intel 0000:00:0e.0: bound 0000:00:02.0 (ops i915_audio_component_bind_ops) <6>[ 5.019880] ipip: IPv4 and MPLS over IPv4 tunneling driver <6>[ 5.021175] IPv4 over IPsec tunneling driver <6>[ 5.022377] Initializing XFRM netlink socket <6>[ 5.024839] NET: Registered protocol family 10 <6>[ 5.121334] mmc0: new HS400 MMC card at address 0001 <6>[ 5.127833] Segment Routing with IPv6 <6>[ 5.134469] mmcblk0: mmc0:0001 TA2964 58.3 GiB <6>[ 5.144427] NET: Registered protocol family 17 <6>[ 5.149714] mmcblk0boot0: mmc0:0001 TA2964 partition 1 4.00 MiB <5>[ 5.156132] Key type dns_resolver registered <6>[ 5.162475] mmcblk0boot1: mmc0:0001 TA2964 partition 2 4.00 MiB <6>[ 5.194016] usb 1-5: New USB device found, idVendor=0408, idProduct=3090, bcdDevice= 0.04 <3>[ 5.196537] snd_hda_intel 0000:00:0e.0: Cannot probe codecs, giving up <6>[ 5.201146] usb 1-5: New USB device strings: Mfr=3, Product=1, SerialNumber=2 <6>[ 5.209200] mmcblk0rpmb: mmc0:0001 TA2964 partition 3 4.00 MiB, chardev (245:0) <6>[ 5.213608] usb 1-5: Product: USB2.0 HD UVC WebCam <6>[ 5.213619] usb 1-5: Manufacturer: Quanta <6>[ 5.250880] mmcblk0: p1 p2 p3 p4 p5 p6 p7 p8 p9 p10 p11 p12 <6>[ 5.424056] usb 1-5: SerialNumber: 0x0001 <6>[ 5.431088] microcode: sig=0x506c9, pf=0x1, revision=0x2c <6>[ 5.437556] microcode: Microcode Update Driver: v2.2. <6>[ 5.437589] IPI shorthand broadcast: enabled <6>[ 5.448902] sched_clock: Marking stable (5364080586, 84576972)->(5452934665, -4277107) <6>[ 5.458978] registered taskstats version 1 <5>[ 5.463980] Loading compiled-in X.509 certificates <6>[ 5.482053] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) <6>[ 5.490759] usb 2-5: new SuperSpeed Gen 1 USB device number 2 using xhci_hcd <6>[ 5.508412] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) <6>[ 5.511963] usb 2-5: New USB device found, idVendor=0bda, idProduct=8153, bcdDevice=31.00 <6>[ 5.523512] PM: Magic number: 3:144:233 <6>[ 5.526266] usb 2-5: New USB device strings: Mfr=1, Product=2, SerialNumber=6 <6>[ 5.526276] usb 2-5: Product: USB 10/100/1000 LAN <6>[ 5.545015] usb 2-5: Manufacturer: Realtek <6>[ 5.545023] usb 2-5: SerialNumber: 001000001 <6>[ 5.552300] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) <6>[ 5.555428] printk: console [netcon0] enabled <6>[ 5.568602] netconsole: network logging started <6>[ 5.625396] usb 1-6: new full-speed USB device number 3 using xhci_hcd <6>[ 5.762729] usb 1-6: New USB device found, idVendor=8087, idProduct=0a2a, bcdDevice= 0.03 <6>[ 5.772244] usb 1-6: New USB device strings: Mfr=0, Product=0, SerialNumber=0 <6>[ 5.790279] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) <6>[ 5.876337] usb 2-5: reset SuperSpeed Gen 1 USB device number 2 using xhci_hcd <6>[ 5.921810] r8152 2-5:1.0: load rtl8153b-2 v1 10/23/19 successfully <6>[ 5.960710] r8152 2-5:1.0 eth0: v1.11.11 <6>[ 5.966534] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) <6>[ 7.599554] r8152 2-5:1.0 eth0: carrier on <6>[ 7.601744] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready <5>[ 7.613495] Sending DHCP requests .., OK <6>[ 10.018549] IP-Config: Got DHCP answer from 192.168.201.1, my address is 192.168.201.10 <6>[ 10.027823] IP-Config: Complete: <6>[ 10.031759] device=eth0, hwaddr=00:e0:4c:68:0a:3b, ipaddr=192.168.201.10, mask=255.255.255.0, gw=192.168.201.1 <6>[ 10.043736] host=asus-c523na-a20057-coral-cbg-0, domain=lava-rack, nis-domain=(none) <6>[ 10.053183] bootserver=192.168.201.1, rootserver=192.168.201.1, rootpath= <6>[ 10.053191] nameserver0=192.168.201.1 <5>[ 10.067096] cfg80211: Loading compiled-in X.509 certificates for regulatory database <6>[ 10.090735] modprobe (102) used greatest stack depth: 14208 bytes left <6>[ 10.103143] modprobe (103) used greatest stack depth: 14120 bytes left <5>[ 10.106231] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7' <4>[ 10.119438] platform regulatory.0: Direct firmware load for regulatory.db failed with error -2 <6>[ 10.119796] ALSA device list: <6>[ 10.129547] cfg80211: failed to load regulatory.db <6>[ 10.138887] No soundcards found. <4>[ 10.144588] dw-apb-uart dw-apb-uart.8: forbid DMA for kernel console <6>[ 10.165455] Freeing unused kernel image (initmem) memory: 2144K <6>[ 10.184114] Write protecting the kernel read-only data: 34816k <6>[ 10.195223] Freeing unused kernel image (text/rodata gap) memory: 2028K <6>[ 10.204545] Freeing unused kernel image (rodata/data gap) memory: 864K <6>[ 10.212553] Run /init as init process Loading, please wait... Starting version 247.3-7+deb11u1 <6>[ 10.305330] systemd-udevd (124) used greatest stack depth: 13624 bytes left <6>[ 11.281711] chromeos ramoops using acpi device. <6>[ 11.290012] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) <6>[ 11.309169] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) <4>[ 11.346087] cros-usbpd-notify-acpi GOOG0003:00: Couldn't get Chrome EC device pointer. <4>[ 11.364068] i2c_hid i2c-WCOM50C1:00: supply vdd not found, using dummy regulator <4>[ 11.372875] i2c_hid i2c-PNP0C50:00: supply vdd not found, using dummy regulator <6>[ 11.373208] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) <4>[ 11.389175] i2c_hid i2c-PNP0C50:00: supply vddl not found, using dummy regulator <4>[ 11.399115] i2c_hid i2c-WCOM50C1:00: supply vddl not found, using dummy regulator <6>[ 11.480252] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) <6>[ 11.534835] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) <6>[ 11.548074] Registered efivars operations <6>[ 11.553622] gsmi version 1.0 loaded <6>[ 11.558309] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) <3>[ 12.450560] i2c_designware i2c_designware.5: controller timed out <4>[ 12.491812] i2c_designware i2c_designware.5: timeout in disabling adapter <6>[ 12.513872] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) <6>[ 12.518034] cros-usbpd-charger cros-usbpd-charger.2.auto: Could not get charger port count <4>[ 12.536769] da7219 i2c-DLGS7219:00: Using default DAI clk names: da7219-dai-wclk, da7219-dai-bclk <4>[ 12.548321] da7219 i2c-DLGS7219:00: Invalid micbias pulse level <6>[ 12.549245] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) <6>[ 12.564410] uvcvideo: Found UVC 1.00 device USB2.0 HD UVC WebCam (0408:3090) <6>[ 12.584138] 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 <6>[ 12.584489] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) <6>[ 12.599399] usbcore: registered new interface driver uvcvideo <6>[ 12.611453] USB Video Class driver (1.1.1) <6>[ 12.615048] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) <6>[ 12.637024] udevadm (152) 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:68:0a:3b mtu 1500 DHCP IP-Config: eth0 complete (dhcp from 192.168.201.1): address: 192.168.201.10 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-0 domain : lava-rack rootserver: 192.168.201.1 rootpath: filename : <6>[ 12.813113] nfsmount (172) used greatest stack depth: 12680 bytes left done. Begin: Running /scripts/nfs-bottom ... done. Begin: Running /scripts/init-bottom ... done. <4>[ 13.600290] 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 <30>[ 14.539864] systemd[1]: systemd 247.3-7+deb11u1 running in system mode. (+PAM +AUDIT +SELINUX +IMA +APPARMOR +SMACK +SYSVINIT +UTMP +LIBCRYPTSETUP +GCRYPT +GNUTLS +ACL +XZ +LZ4 +ZSTD +SECCOMP +BLKID +ELFUTILS +KMOD +IDN2 -IDN +PCRE2 default-hierarchy=unified) <30>[ 14.581180] systemd[1]: Detected architecture x86-64. Welcome to Debian GNU/Linux 11 (bullseye)! <30>[ 14.623940] systemd[1]: Set hostname to . <30>[ 15.940632] systemd[1]: Queued start job for default target Graphical Interface. <30>[ 15.958867] systemd[1]: Created slice system-getty.slice. [ OK ] Created slice system-getty.slice. <30>[ 15.975300] systemd[1]: Created slice system-modprobe.slice. [ OK ] Created slice system-modprobe.slice. <30>[ 15.993807] systemd[1]: Created slice system-serial\x2dgetty.slice. [ OK ] Created slice system-serial\x2dgetty.slice. <30>[ 16.012584] systemd[1]: Created slice User and Session Slice. [ OK ] Created slice User and Session Slice. <30>[ 16.030244] systemd[1]: Started Dispatch Password Requests to Console Directory Watch. [ OK ] Started Dispatch Password …ts to Console Directory Watch. <30>[ 16.050853] systemd[1]: Started Forward Password Requests to Wall Directory Watch. [ OK ] Started Forward Password R…uests to Wall Directory Watch. <30>[ 16.073193] systemd[1]: Set up automount Arbitrary Executable File Formats File System Automount Point. [ OK ] Set up automount Arbitrary…s File System Automount Point. <30>[ 16.097166] systemd[1]: Reached target Local Encrypted Volumes. [ OK ] Reached target Local Encrypted Volumes. <30>[ 16.114141] systemd[1]: Reached target Paths. [ OK ] Reached target Paths. <30>[ 16.125905] systemd[1]: Reached target Remote File Systems. [ OK ] Reached target Remote File Systems. <30>[ 16.143035] systemd[1]: Reached target Slices. [ OK ] Reached target Slices. <30>[ 16.154986] systemd[1]: Reached target Swap. [ OK ] Reached target Swap. <30>[ 16.168056] systemd[1]: Listening on initctl Compatibility Named Pipe. [ OK ] Listening on initctl Compatibility Named Pipe. <30>[ 16.188965] systemd[1]: Listening on Journal Audit Socket. [ OK ] Listening on Journal Audit Socket. <30>[ 16.208688] systemd[1]: Listening on Journal Socket (/dev/log). [ OK ] Listening on Journal Socket (/dev/log). <30>[ 16.227859] systemd[1]: Listening on Journal Socket. [ OK ] Listening on Journal Socket. <30>[ 16.245872] systemd[1]: Listening on Network Service Netlink Socket. [ OK ] Listening on Network Service Netlink Socket. <30>[ 16.267493] systemd[1]: Listening on udev Control Socket. [ OK ] Listening on udev Control Socket. <30>[ 16.285495] systemd[1]: Listening on udev Kernel Socket. [ OK ] Listening on udev Kernel Socket. <30>[ 16.309255] systemd[1]: Mounting Huge Pages File System... Mounting Huge Pages File System... <30>[ 16.333443] systemd[1]: Mounting POSIX Message Queue File System... Mounting POSIX Message Queue File System... <30>[ 16.358994] systemd[1]: Mounting Kernel Debug File System... Mounting Kernel Debug File System... <30>[ 16.381670] systemd[1]: Mounting Kernel Trace File System... Mounting Kernel Trace File System... <30>[ 16.424557] systemd[1]: Starting Create list of static device nodes for the current kernel... Starting Create list of st…odes for the current kernel... <30>[ 16.453622] systemd[1]: Starting Load Kernel Module configfs... Starting Load Kernel Module configfs... <30>[ 16.481025] systemd[1]: Starting Load Kernel Module drm... <6>[ 16.487784] mount (199) used greatest stack depth: 12528 bytes left Starting Load Kernel Module drm... <30>[ 16.511276] systemd[1]: Starting Load Kernel Module fuse... Starting Load Kernel Module fuse... <30>[ 16.532740] systemd[1]: Condition check resulted in Set Up Additional Binary Formats being skipped. <30>[ 16.559708] systemd[1]: Starting Journal Service... Starting Journal Service... <6>[ 16.586814] fuse: init (API version 7.32) <30>[ 16.590957] systemd[1]: Starting Load Kernel Modules... Starting Load Kernel Modules... <30>[ 16.611720] systemd[1]: Starting Remount Root and Kernel File Systems... Starting Remount Root and Kernel File Systems... <30>[ 16.637106] systemd[1]: Starting Coldplug All udev Devices... Starting Coldplug All udev Devices... <30>[ 16.664893] systemd[1]: Mounted Huge Pages File System. [ OK ] Mounted Huge Pages File System. <30>[ 16.684605] systemd[1]: Mounted POSIX Message Queue File System. [ OK ] Mounted POSIX Message Queue File System. <30>[ 16.703030] systemd[1]: Mounted Kernel Debug File System. [ OK ] Mounted Kernel Debug File System. <30>[ 16.720654] systemd[1]: Mounted Kernel Trace File System. [ OK ] Mounted Kernel Trace File System. <30>[ 16.742504] systemd[1]: Finished Create list of static device nodes for the current kernel. [ OK ] Finished Create list of st… nodes for the current kernel. <30>[ 16.767465] systemd[1]: modprobe@configfs.service: Succeeded. <30>[ 16.776894] systemd[1]: Finished Load Kernel Module configfs. [ OK ] Finished Load Kernel Module configfs. <30>[ 16.797230] systemd[1]: modprobe@drm.service: Succeeded. <30>[ 16.806239] systemd[1]: Finished Load Kernel Module drm. [ OK ] Finished Load Kernel Module drm. <30>[ 16.826322] systemd[1]: modprobe@fuse.service: Succeeded. <30>[ 16.836102] systemd[1]: Finished Load Kernel Module fuse. [ OK ] Finished Load Kernel Module fuse. <30>[ 16.856331] systemd[1]: Finished Load Kernel Modules. [ OK ] Finished Load Kernel Modules. <30>[ 16.875259] systemd[1]: Finished Remount Root and Kernel File Systems. [ OK ] Finished Remount Root and Kernel File Systems. <30>[ 16.900787] systemd[1]: Mounting FUSE Control File System... Mounting FUSE Control File System... <30>[ 16.922819] systemd[1]: Mounting Kernel Configuration File System... Mounting Kernel Configuration File System... <30>[ 16.951641] systemd[1]: Condition check resulted in Rebuild Hardware Database being skipped. <30>[ 16.962597] systemd[1]: Condition check resulted in Platform Persistent Storage Archival being skipped. <30>[ 16.980134] systemd[1]: Starting Load/Save Random Seed... Starting Load/Save Random Seed... <30>[ 17.004216] systemd[1]: Starting Apply Kernel Variables... Starting Apply Kernel Variables... <30>[ 17.027965] systemd[1]: Starting Create System Users... Starting Create System Users... <30>[ 17.051698] systemd[1]: Mounted FUSE Control File System. [ OK ] Mounted FUSE Control File System. <30>[ 17.080456] systemd[1]: Mounted Kernel Configuration File System. [ OK ] Mounted Kernel Configuration File System. <30>[ 17.102942] systemd[1]: Finished Load/Save Random Seed. [ OK ] Finished Load/Save Random Seed. <30>[ 17.118792] systemd[1]: Condition check resulted in First Boot Complete being skipped. <30>[ 17.159486] systemd[1]: Finished Apply Kernel Variables. [ OK ] Finished Apply Kernel Variables. <30>[ 17.307797] systemd[1]: Finished Create System Users. [ OK ] Finished Create System Users. <30>[ 17.330512] systemd[1]: Starting Create Static Device Nodes in /dev... Starting Create Static Device Nodes in /dev... <30>[ 17.349749] systemd[1]: Started Journal Service. [ OK ] Started Journal Service. Starting Flush Journal to Persistent Storage... <46>[ 17.474838] systemd-journald[207]: Received client request to flush runtime journal. [ 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... [ 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 5.10.178-cip31 #1 SMP Thu Apr 20 13:58:13 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/10062610/extract-nfsrootfs-1im_xvp4' export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/10062610/extract-nfsrootfs-1im_xvp4' / # 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-10062610/environment . /lava-10062610/environment / # /lava-10062610/bin/lava-test-runner /lava-10062610/0 /lava-10062610/bin/lava-test-runner /lava-10062610/0 + export TESTRUN_ID=0_timesync-off + TESTRUN_ID=0_timesync-off + cd /lava-10062610/0/tests/0_timesync-off ++ cat uuid + UUID=10062610_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-10062610/0/tests/1_kselftest-lkdtm ++ cat uuid + UUID=10062610_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/v5.10.177-cip31-122-gfb6ca504156b4/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 --2023-04-20 14:14:31-- http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.177-cip31-122-gfb6ca504156b4/x86_64/x86_64_defconfig+x86-chromebook+kselftest/gcc-10/kselftest.tar.xz Resolving storage.kernelci.org (storage.kernelci.org)... 52.250.1.28 Connecting to storage.kernelci.org (storage.kernelci.org)|52.250.1.28|:80... connected. HTTP request sent, awaiting response... 200 OK Length: 3381848 (3.2M) [application/octet-stream] Saving to: 'kselftest.tar.xz' kselftest.tar.xz 0%[ ] 0 --.-KB/s kselftest.tar.xz 1%[ ] 50.15K 174KB/s kselftest.tar.xz 6%[> ] 219.84K 377KB/s kselftest.tar.xz 22%[===> ] 757.67K 808KB/s kselftest.tar.xz 43%[=======> ] 1.39M 1.09MB/s kselftest.tar.xz 100%[===================>] 3.22M 2.20MB/s in 1.5s 2023-04-20 14:14:33 (2.20 MB/s) - 'kselftest.tar.xz' saved [3381848/3381848] 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 =============== <12>[ 42.733324] 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 <6>[ 43.690148] lkdtm: Performing direct entry BUG <4>[ 43.695753] ------------[ cut here ]------------ <2>[ 43.701842] kernel BUG at drivers/misc/lkdtm/bugs.c:76! <4>[ 43.708043] invalid opcode: 0000 [#1] SMP PTI <4>[ 43.713197] CPU: 1 PID: 634 Comm: cat Tainted: G W 5.10.178-cip31 #1 <4>[ 43.722017] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 43.728913] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 43.733575] Code: 89 ff e8 fe f0 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 20 46 e9 02 <4>[ 43.754778] RSP: 0018:ffff9a878129fe60 EFLAGS: 00010286 <4>[ 43.760889] RAX: ffffffff88778590 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 43.769126] RDX: 0000000000000000 RSI: ffff91073bc9bf70 RDI: ffffffff8977e0b0 <4>[ 43.777364] RBP: ffffffff89c5c448 R08: 0000000000000001 R09: 0000000000000001 <4>[ 43.785603] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 43.793843] R13: ffff9a878129ff10 R14: ffff9a878129ff10 R15: ffff9106c5f0c000 <4>[ 43.802080] FS: 00007fb126fcd580(0000) GS:ffff91073bc80000(0000) knlGS:0000000000000000 <4>[ 43.811379] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 43.818070] CR2: 00007fb126dd6000 CR3: 0000000106ba6000 CR4: 00000000003506e0 <4>[ 43.826306] Call Trace: <4>[ 43.829329] direct_entry.cold+0x2c/0x38 <4>[ 43.833998] full_proxy_write+0x56/0x80 <4>[ 43.838568] vfs_write+0xea/0x3b0 <4>[ 43.842553] ksys_write+0x68/0xf0 <4>[ 43.846543] do_syscall_64+0x33/0x40 <4>[ 43.850818] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 43.856737] RIP: 0033:0x7fb126ee3833 <4>[ 43.861010] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 43.882210] RSP: 002b:00007fff49bc5af8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 43.890936] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fb126ee3833 <4>[ 43.899173] RDX: 0000000000000004 RSI: 00007fb126dd6000 RDI: 0000000000000001 <4>[ 43.907412] RBP: 00007fb126dd6000 R08: 00007fb126dd5010 R09: 0000000000000000 <4>[ 43.915656] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 43.923896] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 43.932148] Modules linked in: fuse ip_tables cros_usbpd_logger cros_ec_debugfs uvcvideo cros_ec_lightbar cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger cros_ec_chardev videobuf2_memops videobuf2_v4l2 snd_soc_da7219 snd_soc_max98357a gsmi cros_ec_dev x86_pkg_temp_thermal videobuf2_common snd_soc_core snd_compress cros_usbpd_notify i2c_hid snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table <0>[ 43.974146] gsmi: Log Shutdown Reason 0x03 <4>[ 43.979078] ---[ end trace 388eb702d36896fb ]--- <4>[ 43.984544] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 43.989237] Code: 89 ff e8 fe f0 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 20 46 e9 02 <4>[ 44.010480] RSP: 0018:ffff9a878129fe60 EFLAGS: 00010286 <4>[ 44.016619] RAX: ffffffff88778590 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 44.024874] RDX: 0000000000000000 RSI: ffff91073bc9bf70 RDI: ffffffff8977e0b0 <4>[ 44.033132] RBP: ffffffff89c5c448 R08: 0000000000000001 R09: 0000000000000001 <4>[ 44.041392] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 44.049656] R13: ffff9a878129ff10 R14: ffff9a878129ff10 R15: ffff9106c5f0c000 <4>[ 44.057950] FS: 00007fb126fcd580(0000) GS:ffff91073bc80000(0000) knlGS:0000000000000000 <4>[ 44.067296] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 44.074007] CR2: 00007fb126dd6000 CR3: 0000000106ba6000 CR4: 00000000003506e0 # Segmentation fault # [ 43.690148] lkdtm: Performing direct entry BUG # [ 43.695753] ------------[ cut here ]------------ # [ 43.701842] kernel BUG at drivers/misc/lkdtm/bugs.c:76! # [ 43.708043] invalid opcode: 0000 [#1] SMP PTI # [ 43.713197] CPU: 1 PID: 634 Comm: cat Tainted: G W 5.10.178-cip31 #1 # [ 43.722017] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 43.728913] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 43.733575] Code: 89 ff e8 fe f0 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 20 46 e9 02 # [ 43.754778] RSP: 0018:ffff9a878129fe60 EFLAGS: 00010286 # [ 43.760889] RAX: ffffffff88778590 RBX: 0000000000000001 RCX: 0000000000000000 # [ 43.769126] RDX: 0000000000000000 RSI: ffff91073bc9bf70 RDI: ffffffff8977e0b0 # [ 43.777364] RBP: ffffffff89c5c448 R08: 0000000000000001 R09: 0000000000000001 # [ 43.785603] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 43.793843] R13: ffff9a878129ff10 R14: ffff9a878129ff10 R15: ffff9106c5f0c000 # [ 43.802080] FS: 00007fb126fcd580(0000) GS:ffff91073bc80000(0000) knlGS:0000000000000000 # [ 43.811379] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 43.818070] CR2: 00007fb126dd6000 CR3: 0000000106ba6000 CR4: 00000000003506e0 # [ 43.826306] Call Trace: # [ 43.829329] direct_entry.cold+0x2c/0x38 # [ 43.833998] full_proxy_write+0x56/0x80 # [ 43.838568] vfs_write+0xea/0x3b0 # [ 43.842553] ksys_write+0x68/0xf0 # [ 43.846543] do_syscall_64+0x33/0x40 # [ 43.850818] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 43.856737] RIP: 0033:0x7fb126ee3833 # [ 43.861010] Code: 8b 15 61 26 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 # [ 43.882210] RSP: 002b:00007fff49bc5af8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 43.890936] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fb126ee3833 # [ 43.899173] RDX: 0000000000000004 RSI: 00007fb126dd6000 RDI: 0000000000000001 # [ 43.907412] RBP: 00007fb126dd6000 R08: 00007fb126dd5010 R09:<6>[ 44.335436] lkdtm: Performing direct entry WARNING 0000000000000000 # [ 43.915656] R10: fffffffffffffbc5 R11: 0<4>[ 44.344111] ------------[ cut here ]------------ <4>[ 44.355766] WARNING: CPU: 2 PID: 671 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x13/0x20 000000000000246 R12: 0000000000000001 # [ 43.923896] R13: 000<4>[ 44.365483] Modules linked in: fuse ip_tables cros_usbpd_logger cros_ec_debugfs uvcvideo cros_ec_lightbar cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger cros_ec_chardev videobuf2_memops videobuf2_v4l2 snd_soc_da7219 snd_soc_max98357a gsmi cros_ec_dev x86_pkg_temp_thermal videobuf2_common snd_soc_core snd_compress cros_usbpd_notify i2c_hid snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table 0000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ <4>[ 44.411634] CPU: 2 PID: 671 Comm: cat Tainted: G D W 5.10.178-cip31 #1 <4>[ 44.426670] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 44.433590] RIP: 0010:lkdtm_WARNING+0x13/0x20 <4>[ 44.438756] Code: c0 f4 ff ff ff eb c9 0f 1f 44 00 00 0f 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 20 46 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 01 46 <4>[ 44.459991] RSP: 0018:ffff9a878131fe60 EFLAGS: 00010202 <4>[ 44.466124] RAX: ffffffff887785a0 RBX: 0000000000000002 RCX: 0000000000000000 <4>[ 44.474384] RDX: 0000000000000000 RSI: ffff91073bd1bf70 RDI: ffffffff8977e0c0 <4>[ 44.482633] RBP: ffffffff89bf7d57 R08: 0000000000000000 R09: 0000000000000000 <4>[ 44.490892] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000008 <4>[ 44.499156] R13: ffff9a878131ff10 R14: ffff9a878131ff10 R15: ffff9106c40c1000 <4>[ 44.507423] FS: 00007fe75793e580(0000) GS:ffff91073bd00000(0000) knlGS:0000000000000000 <4>[ 44.516748] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 43.932148] Modules linked in: fuse ip_tables cros_usbpd_logger <4>[ 44.523450] CR2: 00007fe757747000 CR3: 00000001028d6000 CR4: 00000000003506e0 <4>[ 44.537895] Call Trace: <4>[ 44.540944] direct_entry.cold+0x2c/0x38 <4>[ 44.545639] full_proxy_write+0x56/0x80 <4>[ 44.550231] vfs_write+0xea/0x3b0 <4>[ 44.554241] ksys_write+0x68/0xf0 <4>[ 44.558254] do_syscall_64+0x33/0x40 <4>[ 44.562554] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 44.568499] RIP: 0033:0x7fe757854833 cros_ec_debugfs uvcvideo cros_ec_lightbar cros_ec_sysfs videobuf<4>[ 44.572790] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 44.600185] RSP: 002b:00007fffca3f0028 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 44.608932] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007fe757854833 <4>[ 44.617190] RDX: 0000000000000008 RSI: 00007fe757747000 RDI: 0000000000000001 2_vmalloc cros_usbpd_charger cros_ec_chardev videobuf2_memops vi<4>[ 44.625451] RBP: 00007fe757747000 R08: 00007fe757746010 R09: 0000000000000000 deobuf2_v4l2 snd_soc_da7219 snd_soc_max98357a gsmi cros_ec_dev x<4>[ 44.639892] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 44.654341] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 44.662609] irq event stamp: 0 <4>[ 44.666311] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 44.673606] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 <4>[ 44.683026] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 86_pkg_temp_thermal videobuf2_common snd_soc_core snd_compress c<4>[ 44.692440] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 44.705921] ---[ end trace 388eb702d36896fc ]--- ros_usbpd_notify i2c_hid snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 43.974146] gsmi: Log Shutdown Reason 0x03 # [ 43.979078] ---[ end trace 388eb702d36896fb ]--- # [ 43.984544] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 43.989237] Code: 89 ff e8 fe f0 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 20 46 e9 02 # [ 44.010480] RSP: 0018:ffff9a878129fe60 EFLAGS: 00010286 # [ 44.016619] RAX: ffffffff88778590 RBX: 0000000000000001 RCX: 0000000000000000 # [ 44.024874] RDX: 0000000000000000 RSI: ffff91073bc9bf70 RDI: ffffffff8977e0b0 # [ 44.033132] RBP: ffffffff89c5c448 R08: 0000000000000001 R09: 0000000000000001 # [ 44.041392] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 44.049656] R13: ffff9a878129ff10 R14: ffff9a878129ff10 R15: ffff9106c5f0c000 # [ 44.057950] FS: 00007fb126fcd580(0000) GS:ffff91073bc80000(0000) knlGS:0000000000000000 # [ 44.067296] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 44.074007] CR2: 00007fb126dd6000 CR3: 0000000106ba6000 CR4: 00000000003506e0 # BUG: saw 'kernel BUG at': ok ok 2 selftests: lkdtm: BUG.sh # selftests: lkdtm: WARNING.sh # [ 44.335436] lkdtm: Performing direct entry WARNING # [ 44.344111] ------------[ cut here ]------------ # [ 44.355766] WARNING: CPU: 2 PID: 671 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x13/0x20 # [ 44.365483] Modules linked in: fuse ip_tables cros_usbpd_logger cros_ec_debugfs uvcvideo cros_ec_lightbar cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger cros_ec_chardev videobuf2_memops videobuf2_v4l2 snd_soc_da7219 snd_soc_max98357a gsmi cros_ec_dev x86_pkg_temp_thermal videobuf2_common snd_soc_core snd_compress cros_usbpd_notify i2c_hid snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 44.411634] CPU: 2 PID: 671 Comm: cat Tainted: G D W 5.10.178-cip31 #1 # [ 44.426670] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 44.433590] RIP: 0010:lkdtm_WARNING+0x13/0x20 # [ 44.438756] Code: c0 f4 ff ff ff eb c9 0f 1f 44 00 00 0f 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 20 46 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 01 46 # [ 44.459991] RSP: 0018:ffff9a878131fe60 EFLAGS: 00010202 # [ 44.466124] RAX: ffffffff887785a0 RBX: 0000000000000002 RCX: 0000000000000000 # [ 44.474384] RDX: 0000000000000000 RSI: ffff91073bd1bf70 RDI: ffffffff8977e0c0 # [ 44.482633] RBP: ffffffff89bf7d57 R08: 0000000000000000 R09: 0000000000000000 # [ 44.490892] R10: 00000000ffffe000 R11:<6>[ 44.969729] lkdtm: Performing direct entry WARNING_MESSAGE <4>[ 44.978133] ------------[ cut here ]------------ 3fffffffffffffff R12: 0000000000000008 # [ 44.499156] R13: f<4>[ 44.983604] Warning message trigger count: 2 fff9a878131ff10 R14: ffff9a878131ff10 R15: ffff9106c40c1000 # [<4>[ 44.994945] WARNING: CPU: 1 PID: 706 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30 44.507423] FS: 00007fe75793e580(0000) GS:ffff91073bd00000(00<4>[ 45.011577] Modules linked in: fuse ip_tables cros_usbpd_logger cros_ec_debugfs uvcvideo cros_ec_lightbar cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger cros_ec_chardev videobuf2_memops videobuf2_v4l2 snd_soc_da7219 snd_soc_max98357a gsmi cros_ec_dev x86_pkg_temp_thermal videobuf2_common snd_soc_core snd_compress cros_usbpd_notify i2c_hid snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table <4>[ 45.057699] CPU: 1 PID: 706 Comm: cat Tainted: G D W 5.10.178-cip31 #1 00) knlGS:0000000000000000 # [ 44.516748] CS: 0010 DS: 0000 <4>[ 45.066542] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 45.079618] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30 <4>[ 45.085560] Code: cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 01 46 e9 02 48 c7 c7 b8 82 bf 89 8d 70 01 89 35 f1 45 e9 02 e8 d9 90 64 00 <0f> 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 c7 <4>[ 45.106794] RSP: 0018:ffff9a878139fe60 EFLAGS: 00010286 <4>[ 45.112928] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 <4>[ 45.121195] RDX: ffff91073bcac660 RSI: ffff91073bc9bf70 RDI: ffff91073bc9bf70 <4>[ 45.129444] RBP: ffffffff89bf7d5f R08: 0000000000000000 R09: 0000000000000000 <4>[ 45.137702] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010 <4>[ 45.145958] R13: ffff9a878139ff10 R14: ffff9a878139ff10 R15: ffff9106c40d9000 <4>[ 45.154216] FS: 00007f7be30cb580(0000) GS:ffff91073bc80000(0000) knlGS:0000000000000000 <4>[ 45.163543] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 45.170254] CR2: 00007f7be2ed4000 CR3: 0000000103820000 CR4: 00000000003506e0 <4>[ 45.178519] Call Trace: <4>[ 45.181568] direct_entry.cold+0x2c/0x38 <4>[ 45.186268] full_proxy_write+0x56/0x80 <4>[ 45.190863] vfs_write+0xea/0x3b0 <4>[ 45.194875] ksys_write+0x68/0xf0 <4>[ 45.198889] do_syscall_64+0x33/0x40 <4>[ 45.203190] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 45.209136] RIP: 0033:0x7f7be2fe1833 <4>[ 45.213431] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 45.234676] RSP: 002b:00007ffd974bb188 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 45.243428] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007f7be2fe1833 ES: 0000 CR0: 0000000080050033 # [ 44.523450] CR2: 00007fe757<4>[ 45.251701] RDX: 0000000000000010 RSI: 00007f7be2ed4000 RDI: 0000000000000001 <4>[ 45.266145] RBP: 00007f7be2ed4000 R08: 00007f7be2ed3010 R09: 0000000000000000 <4>[ 45.274413] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 45.282680] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 45.290956] irq event stamp: 0 <4>[ 45.294673] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 45.301972] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 <4>[ 45.311401] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 <4>[ 45.320834] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 45.328130] ---[ end trace 388eb702d36896fd ]--- 747000 CR3: 00000001028d6000 CR4: 00000000003506e0 # [ 44.537895] Call Trace: # [ 44.540944] direct_entry.cold+0x2c/0x38 # [ 44.545639] full_proxy_write+0x56/0x80 # [ 44.550231] vfs_write+0xea/0x3b0 # [ 44.554241] ksys_write+0x68/0xf0 # [ 44.558254] do_syscall_64+0x33/0x40 # [ 44.562554] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 44.568499] RIP: 0033:0x7fe757854833 # [ 44.572790] Code: 8b 15 61 26 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 # [ 44.600185] RSP: 002b:00007fffca3f0028 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 44.608932] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007fe757854833 # [ 44.617190] RDX: 0000000000000008 RSI: 00007fe757747000 RDI: 0000000000000001 # [ 44.625451] RBP: 00007fe757747000 R08: 00007fe757746010 R09: 0000000000000000 # [ 44.639892] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 44.654341] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 44.662609] irq event stamp: 0 # [ 44.666311] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 44.673606] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 44.683026] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 44.692440] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 44.705921] ---[ end trace 388eb702d36896fc ]--- # WARNING: saw 'WARNING:': ok ok 3 selftests: lkdtm: WARNING.sh # selftests: lkdtm: WARNING_MESSAGE.sh # [ 44.969729] lkdtm: Performing direct entry WARNING_MESSAGE # [ 44.978133] ------------[ cut here ]------------ # [ 44.983604] Warning message trigger count: 2 # [ 44.994945] WARNING: CPU: 1 PID: 706 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 45.011577] Modules linked in: fuse ip_tables cros_usbpd_logger cros_ec_debugfs uvcvideo cros_ec_lightbar cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger cros_ec_chardev videobuf2_memops videobuf2_v4l2 snd_soc_da7219 snd_soc_max98357a gsmi cros_ec_dev x86_pkg_temp_thermal videobuf2_common snd_soc_core snd_compress cros_usbpd_notify i2c_hid snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 45.057699] CPU: 1 PID: 706 Comm: cat Tainted: G D W 5.10.178-cip31 #1 # [ 45.066542] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 45.079618] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 45.085560] Code: cc cc cc cc 66 0f 1f 44 00<6>[ 45.584954] lkdtm: Performing direct entry EXCEPTION 00 0f 1f 44 00 00 8b 05 01 46 e9 02 48 c7 c7 b8 82 bf 89 8d 70 <1>[ 45.593638] BUG: kernel NULL pointer dereference, address: 0000000000000000 <1>[ 45.607826] #PF: supervisor write access in kernel mode <1>[ 45.613937] #PF: error_code(0x0002) - not-present page <6>[ 45.619952] PGD 0 P4D 0 <4>[ 45.623071] Oops: 0002 [#2] SMP PTI <4>[ 45.627250] CPU: 3 PID: 738 Comm: cat Tainted: G D W 5.10.178-cip31 #1 <4>[ 45.636073] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 45.642968] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20 <4>[ 45.648211] Code: 48 c7 c7 b8 82 bf 89 8d 70 01 89 35 f1 45 e9 02 e8 d9 90 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 <4>[ 45.669422] RSP: 0018:ffff9a878142fe60 EFLAGS: 00010286 <4>[ 45.675536] RAX: ffffffff887785f0 RBX: 0000000000000004 RCX: 0000000000000000 <4>[ 45.683773] RDX: 0000000000000000 RSI: ffff91073bd9bf70 RDI: ffffffff8977e0e0 <4>[ 45.692012] RBP: ffffffff89aec5ff R08: 0000000000000000 R09: 0000000000000000 <4>[ 45.700253] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a <4>[ 45.708492] R13: ffff9a878142ff10 R14: ffff9a878142ff10 R15: ffff9106c3712000 <4>[ 45.716730] FS: 00007ff5e2235580(0000) GS:ffff91073bd80000(0000) knlGS:0000000000000000 <4>[ 45.726036] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 45.732721] CR2: 0000000000000000 CR3: 0000000106aa0000 CR4: 00000000003506e0 <4>[ 45.740955] Call Trace: <4>[ 45.743980] direct_entry.cold+0x2c/0x38 <4>[ 45.748649] full_proxy_write+0x56/0x80 <4>[ 45.753207] vfs_write+0xea/0x3b0 <4>[ 45.757191] ksys_write+0x68/0xf0 <4>[ 45.761176] do_syscall_64+0x33/0x40 <4>[ 45.765449] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 45.771365] RIP: 0033:0x7ff5e214b833 <4>[ 45.775636] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 45.796848] RSP: 002b:00007fff424ea0f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 45.805573] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007ff5e214b833 <4>[ 45.813812] RDX: 000000000000000a RSI: 00007ff5e203e000 RDI: 0000000000000001 <4>[ 45.822049] RBP: 00007ff5e203e000 R08: 00007ff5e203d010 R09: 0000000000000000 <4>[ 45.830286] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 45.838523] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 45.846768] Modules linked in: fuse ip_tables cros_usbpd_logger cros_ec_debugfs uvcvideo cros_ec_lightbar cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger cros_ec_chardev videobuf2_memops videobuf2_v4l2 snd_soc_da7219 snd_soc_max98357a gsmi cros_ec_dev x86_pkg_temp_thermal videobuf2_common snd_soc_core snd_compress cros_usbpd_notify i2c_hid snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table <4>[ 45.886719] CR2: 0000000000000000 <4>[ 45.890702] ---[ end trace 388eb702d36896fe ]--- <4>[ 45.896130] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 45.900788] Code: 89 ff e8 fe f0 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 20 46 e9 02 <4>[ 45.922001] RSP: 0018:ffff9a878129fe60 EFLAGS: 00010286 <4>[ 45.928114] RAX: ffffffff88778590 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 45.936351] RDX: 0000000000000000 RSI: ffff91073bc9bf70 RDI: ffffffff8977e0b0 <4>[ 45.944590] RBP: ffffffff89c5c448 R08: 0000000000000001 R09: 0000000000000001 <4>[ 45.952833] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 45.961078] R13: ffff9a878129ff10 R14: ffff9a878129ff10 R15: ffff9106c5f0c000 <4>[ 45.969326] FS: 00007ff5e2235580(0000) GS:ffff91073bd80000(0000) knlGS:0000000000000000 <4>[ 45.978635] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 45.985331] CR2: 0000000000000000 CR3: 0000000106aa0000 CR4: 00000000003506e0 <3>[ 45.993574] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 46.003754] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 738, name: cat <4>[ 46.012380] INFO: lockdep is turned off. <4>[ 46.017037] irq event stamp: 0 <4>[ 46.020729] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 46.028004] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 <4>[ 46.037407] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 <4>[ 46.046812] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 46.054090] CPU: 3 PID: 738 Comm: cat Tainted: G D W 5.10.178-cip31 #1 <4>[ 46.062914] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 46.069802] Call Trace: <4>[ 46.072824] dump_stack+0x77/0x9b <4>[ 46.076811] ___might_sleep.cold+0xa6/0xb6 <4>[ 46.081670] exit_signals+0x1c/0x300 <4>[ 46.085948] do_exit+0xc2/0xab0 <4>[ 46.089741] ? ksys_write+0x68/0xf0 <4>[ 46.093923] make_task_dead+0x2f/0x30 <4>[ 46.098298] rewind_stack_and_make_dead+0x17/0x20 <4>[ 46.103834] RIP: 0033:0x7ff5e214b833 <4>[ 46.108110] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 46.129328] RSP: 002b:00007fff424ea0f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 46.138057] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007ff5e214b833 <4>[ 46.146300] RDX: 000000000000000a RSI: 00007ff5e203e000 RDI: 0000000000000001 <4>[ 46.154541] RBP: 00007ff5e203e000 R08: 00007ff5e203d010 R09: 0000000000000000 <4>[ 46.162782] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 46.171023] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 01 89 35 f1 45 e9 02 e8 d9 90 64 00 <0f> 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 c7 # [ 45.106794] RSP: 0018:ffff9a878139fe60 EFLAGS: 00010286 # [ 45.112928] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 # [ 45.121195] RDX: ffff91073bcac660 RSI: ffff91073bc9bf70 RDI: ffff91073bc9bf70 # [ 45.129444] RBP: ffffffff89bf7d5f R08: 0000000000000000 R09: 0000000000000000 # [ 45.137702] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010 # [ 45.145958] R13: ffff9a878139ff10 R14: ffff9a878139ff10 R15: ffff9106c40d9000 # [ 45.154216] FS: 00007f7be30cb580(0000) GS:ffff91073bc80000(0000) knlGS:0000000000000000 # [ 45.163543] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 45.170254] CR2: 00007f7be2ed4000 CR3: 0000000103820000 CR4: 00000000003506e0 # [ 45.178519] Call Trace: # [ 45.181568] direct_entry.cold+0x2c/0x38 # [ 45.186268] full_proxy_write+0x56/0x80 # [ 45.190863] vfs_write+0xea/0x3b0 # [ 45.194875] ksys_write+0x68/0xf0 # [ 45.198889] do_syscall_64+0x33/0x40 # [ 45.203190] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 45.209136] RIP: 0033:0x7f7be2fe1833 # [ 45.213431] Code: 8b 15 61 26 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 # [ 45.234676] RSP: 002b:00007ffd974bb188 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 45.243428] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007f7be2fe1833 # [ 45.251701] RDX: 0000000000000010 RSI: 00007f7be2ed4000 RDI: 0000000000000001 # [ 45.266145] RBP: 00007f7be2ed4000 R08: 00007f7be2ed3010 R09: 0000000000000000 # [ 45.274413] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 45.282680] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 45.290956] irq event stamp: 0 # [ 45.294673] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 45.301972] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 45.311401] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 45.320834] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 45.328130] ---[ end trace 388eb702d36896fd ]--- # WARNING_MESSAGE: saw 'message trigger': ok ok 4 selftests: lkdtm: WARNING_MESSAGE.sh # selftests: lkdtm: EXCEPTION.sh # Killed # [ 45.584954] lkdtm: Performing direct entry EXCEPTION # [ 45.593638] BUG: kernel NULL pointer dereference, address: 0000000000000000 # [ 45.607826] #PF: supervisor write access in kernel mode # [ 45.613937] #PF: error_code(0x0002) - not-present page # [ 45.619952] PGD 0 P4D 0 # [ 45.623071] Oops: 0002 [#2] SMP PTI # [ 45.627250] CPU: 3 PID: 738 Comm: cat Tainted: G D W 5.10.178-cip31 #1 # [ 45.636073] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 45.642968] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20 # [ 45.648211] Code: 48 c7 c7 b8 82 bf 89 8d 70 01 89 35 f1 45 e9 02 e8 d9 90 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 # [ 45.669422] RSP: 0018:ffff9a878142fe60 EFLAGS: 00010286 # [ 45.675536] RAX: ffffffff887785f0 RBX: 0000000000000004 RCX: 0000000000000000 # [ 45.683773] RDX: 0000000000000000 RSI: ffff91073bd9bf70 RDI: ffffffff8977e0e0 # [ 45.692012] RBP: ffffffff89aec5ff R08: 0000000000000000 R09: 0000000000000000 # [ 45.700253] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 45.708492] R13: ffff9a878142ff10 R14: ffff9a878142ff10 R15: ffff9106c3712000 # [ 45.716730] FS: 00007ff5e2235580(0000) GS:ffff91073bd80000(0000) knlGS:0000000000000000 # [ 45.726036] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 45.732721] CR2: 0000000000000000 CR3: 0000000106aa0000 CR4: 00000000003506e0 # [ 45.740955] Call Trace: # [ 45.743980] direct_entry.cold+0x2c/0x38 # [ 45.748649] full_proxy_write+0x56/0x80 # [ 45.753207] vfs_write+0xea/0x3b0 # [ 45.757191] ksys_write+0x68/0xf0 # [ 45.761176] do_syscall_64+0x33/0x40 # [ 45.765449] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 45.771365] RIP: 0033:0x7ff5e214b833 # [ 45.775636] Code: 8b 15 61 26 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 # [ 45.796848] RSP: 002b:00007fff424ea0f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 45.805573] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007ff5e214b833 # [ 45.813812] RDX: 000000000000000a RSI: 00007ff5e203e000 RDI: 0000000000000001 # [ 45.822049] RBP: 00007ff5e203e000 R08: 00007ff5e203d010 R09: 0000000000000000 # [ 45.830286] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 45.838523] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 45.846768] Modules linked in: fuse ip_tables cros_usbpd_logger cros_ec_debugfs uvcvideo cros_ec_lightbar cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger cros_ec_chardev videobuf2_memops videobuf2_v4l2 snd_soc_da7219 snd_soc_max98357a gsmi cros_ec_dev x86_pkg_temp_thermal videobuf2_common snd_soc_core snd_compress cros_usbpd_notify i2c_hid snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 45.886719] CR2: 0000000000000000 # [ 45.890702] ---[ end trace 388eb702d36896fe ]--- # [ 45.896130] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 45.900788] Code: 89 ff e8 fe f0 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 20 46 e9 02 # [ 45.922001] RSP: 0018:ffff9a878129fe60 EFLAGS: 00010286 # [ 45.928114] RAX: ffffffff88778590 RBX: 0000000000000001 RCX: 0000000000000000 # [ 45.936351] RDX: 0000000000000000 RSI: ffff91073bc9bf70 RDI: ffffffff8977e0b0 # [ 45.944590] RBP: ffffffff89c5c448 R08: 0000000000000001 R09: 0000000000000001 # [ 45.952833] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 45.961078] R13: ffff9a878129ff10 R14: ffff9a878129ff10 R15: ffff9106c5f0c000 # [ 45.969326] FS: 00007ff5e2235580(0000) GS:ffff91073bd80000(0000) knlGS:0000000000000000 # [ 45.978635] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 45.985331] CR2: 0000000000000000 CR3: 0000000106aa0000 CR4: 00000000003506e0 # [ 45.993574] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 46.003754] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 738, name: cat # [ 46.012380] INFO: lockdep is turned off. # [ 46.017037] irq event stamp: 0 # [ 46.020729] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 46.028004] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 46.037407] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 46.046812] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 46.054090] CPU: 3 PID: 738 Comm: cat Tainted: G D W 5.10.178-cip31 #1 # [ 46.062914] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 46.069802] Call Trace: # [ 46.072824] dump_stack+0x77/0x9b # [ 46.076811] ___might_sleep.cold+0xa6/0xb6 # [ 46.081670] exit_signals+0x1c/0x300 # [ 46.085948] do_exit+0xc2/0xab0 # [ 46.089741] ? ksys_write+0x68/0xf0 # [ 46.093923] make_task_dead+0x2f/0x30 # [ 46.098298] rewind_stack_and_make_dead+0x17/0x20 # [ 46.103834] RIP: 0033:0x7ff5e214b833 # [ 46.108110] Code: 8b 15 61 26 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 # [ 46.129328] RSP: 002b:00007fff424ea0f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 46.138057] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007ff5e214b833 # [ 46.146300] RDX: 000000000000000a RSI: 00007ff5e203e000 RDI: 0000000000000001 # [ 46.154541] RBP: 00007ff5e203e000 R08: 00007ff5e203d010 R09: 0000000000000000 # [ 46.162782] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 46.171023] 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 s<6>[ 47.028484] lkdtm: Performing direct entry CORRUPT_LIST_ADD <6>[ 47.041175] lkdtm: attempting good list addition <6>[ 47.046666] lkdtm: attempting corrupted list addition <3>[ 47.052616] lkdtm: list_add() corruption not detected! ystem on success ok 8 selftests: lkdtm: CORRUPT_STACK.sh # SKIP # selftests: lkdtm: CORRUPT_STACK_STRONG.sh # Skipping CORRUPT_STACK_STRONG: Crashes entire system on success ok 9 selftests: lkdtm: CORRUPT_STACK_STRONG.sh # SKIP # selftests: lkdtm: CORRUPT_LIST_ADD.sh # [ 47.028484] lkdtm: Performing direct entry CORRUPT_LIST_ADD # [ 47.041175] lkdtm: attempting good list addition # [ 47.046666] lkdtm: attempting corrupted list addition # [ 47.052616] 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 <6>[ 47.296641] lkdtm: Performing direct entry CORRUPT_LIST_DEL <6>[ 47.303203] lkdtm: attempting good list removal <6>[ 47.308567] lkdtm: attempting corrupted list removal <3>[ 47.314461] lkdtm: list_del() corruption not detected! # [ 47.296641] lkdtm: Performing direct entry CORRUPT_LIST_DEL # [ 47.303203] lkdtm: attempting good list removal # [ 47.308567] lkdtm: attempting corrupted list removal # [ 47.314461] 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 <6>[ 47.564427] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING <6>[ 47.571735] lkdtm: attempting bad read from page below current stack <0>[ 47.579166] BUG: stack guard page was hit at 00000000dc9dad49 (stack is 000000000e896259..000000006054f1ae) <4>[ 47.590324] kernel stack overflow (page fault): 0000 [#3] SMP PTI <4>[ 47.597412] CPU: 2 PID: 963 Comm: cat Tainted: G D W 5.10.178-cip31 #1 <4>[ 47.606233] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 47.613133] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a <4>[ 47.619930] Code: cc cc cc 0f 1f 44 00 00 53 48 c7 c7 58 86 bf 89 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 0d df fb ff 48 c7 c7 98 86 bf 89 <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 f3 de fb ff 0f 1f 44 <4>[ 47.641152] RSP: 0018:ffff9a878172fe50 EFLAGS: 00010246 <4>[ 47.647272] RAX: 0000000000000038 RBX: ffff9a878172c000 RCX: 0000000000000000 <4>[ 47.655514] RDX: 0000000000000000 RSI: ffff91073bd1bf70 RDI: ffffffff89bf8698 <4>[ 47.663762] RBP: ffffffff89bf7dc2 R08: 0000000000000000 R09: 0000000000000000 <4>[ 47.672006] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019 <4>[ 47.680249] R13: ffff9a878172ff10 R14: ffff9a878172ff10 R15: ffff9106c3408000 <4>[ 47.688492] FS: 00007f4437e49580(0000) GS:ffff91073bd00000(0000) knlGS:0000000000000000 <4>[ 47.697795] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 47.704489] CR2: ffff9a878172bfff CR3: 0000000106a8a000 CR4: 00000000003506e0 <4>[ 47.712734] Call Trace: <4>[ 47.715759] ? lkdtm_CORRUPT_LIST_DEL+0xe0/0xe0 <4>[ 47.721103] direct_entry.cold+0x2c/0x38 <4>[ 47.725773] full_proxy_write+0x56/0x80 <4>[ 47.730343] vfs_write+0xea/0x3b0 <4>[ 47.734330] ksys_write+0x68/0xf0 <4>[ 47.738322] do_syscall_64+0x33/0x40 <4>[ 47.742602] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 47.748526] RIP: 0033:0x7f4437d5f833 <4>[ 47.752800] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 47.774032] RSP: 002b:00007ffc99d90818 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 47.782763] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007f4437d5f833 <4>[ 47.791009] RDX: 0000000000000019 RSI: 00007f4437c52000 RDI: 0000000000000001 <4>[ 47.799253] RBP: 00007f4437c52000 R08: 00007f4437c51010 R09: 0000000000000000 <4>[ 47.807504] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 47.815749] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 47.824002] Modules linked in: fuse ip_tables cros_usbpd_logger cros_ec_debugfs uvcvideo cros_ec_lightbar cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger cros_ec_chardev videobuf2_memops videobuf2_v4l2 snd_soc_da7219 snd_soc_max98357a gsmi cros_ec_dev x86_pkg_temp_thermal videobuf2_common snd_soc_core snd_compress cros_usbpd_notify i2c_hid snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table <4>[ 47.864009] ---[ end trace 388eb702d36896ff ]--- <4>[ 47.869453] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 47.874116] Code: 89 ff e8 fe f0 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 20 46 e9 02 <4>[ 47.895342] RSP: 0018:ffff9a878129fe60 EFLAGS: 00010286 <4>[ 47.901453] RAX: ffffffff88778590 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 47.909702] RDX: 0000000000000000 RSI: ffff91073bc9bf70 RDI: ffffffff8977e0b0 <4>[ 47.917950] RBP: ffffffff89c5c448 R08: 0000000000000001 R09: 0000000000000001 <4>[ 47.926194] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 47.934441] R13: ffff9a878129ff10 R14: ffff9a878129ff10 R15: ffff9106c5f0c000 <4>[ 47.942689] FS: 00007f4437e49580(0000) GS:ffff91073bd00000(0000) knlGS:0000000000000000 <4>[ 47.952006] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 47.958703] CR2: ffff9a878172bfff CR3: 0000000106a8a000 CR4: 00000000003506e0 <3>[ 47.966953] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 47.977138] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 963, name: cat <4>[ 47.985772] INFO: lockdep is turned off. <4>[ 47.990438] irq event stamp: 0 <4>[ 47.994136] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 48.001422] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 <4>[ 48.010835] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 <4>[ 48.020242] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 48.027524] CPU: 2 PID: 963 Comm: cat Tainted: G D W 5.10.178-cip31 #1 <4>[ 48.036351] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 48.043239] Call Trace: <4>[ 48.046263] dump_stack+0x77/0x9b <4>[ 48.050253] ___might_sleep.cold+0xa6/0xb6 <4>[ 48.055117] exit_signals+0x1c/0x300 <4>[ 48.059396] do_exit+0xc2/0xab0 <4>[ 48.063193] ? ksys_write+0x68/0xf0 <4>[ 48.067378] make_task_dead+0x2f/0x30 <4>[ 48.071752] rewind_stack_and_make_dead+0x17/0x20 <4>[ 48.077279] RIP: 0033:0x7f4437d5f833 <4>[ 48.081557] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 48.102781] RSP: 002b:00007ffc99d90818 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 48.111517] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007f4437d5f833 <4>[ 48.119762] RDX: 0000000000000019 RSI: 00007f4437c52000 RDI: 0000000000000001 <4>[ 48.128008] RBP: 00007f4437c52000 R08: 00007f4437c51010 R09: 0000000000000000 <4>[ 48.136254] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 48.144499] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # Segmentation fault # [ 47.564427] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING # [ 47.571735] lkdtm: attempting bad read from page below current stack # [ 47.579166] BUG: stack guard page was hit at 00000000dc9dad49 (stack is 000000000e896259..000000006054f1ae) # [ 47.590324] kernel stack overflow (page fault): 0000 [#3] SMP PTI # [ 47.597412] CPU: 2 PID: 963 Comm: cat Tainted: G D W 5.10.178-cip31 #1 # [ 47.606233] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 47.613133] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a # [ 47.619930] Code: cc cc cc 0f 1f 44 00 00 53 48 c7 c7 58 86 bf 89 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 0d df fb ff 48 c7 c7 98 86 bf 89 <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 f3 de fb ff 0f 1f 44 # [ 47.641152] RSP: 0018:ffff9a878172fe50 EFLAGS: 00010246 # [ 47.647272] RAX: 0000000000000038 RBX: ffff9a878172c000 RCX: 0000000000000000 # [ 47.655514] RDX: 0000000000000000 RSI: ffff91073bd1bf70 RDI: ffffffff89bf8698 # [ 47.663762] RBP: ffffffff89bf7dc2 R08: 0000000000000000 R09: 0000000000000000 # [ 47.672006] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019 # [ 47.680249] R13: ffff9a878172ff10 R14: ffff9a878172ff10 R15: ffff9106c3408000 # [ 47.688492] FS: 00007f4437e49580(0000) GS:ffff91073bd00000(0000) knlGS:0000000000000000 # [ 47.697795] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 47.704489] CR2: ffff9a878172bfff CR3: 0000000106a8a000 CR4: 00000000003506e0 # [ 47.712734] Call Trace: # [ 47.715759] ? lkdtm_CORRUPT_LIST_DEL+0xe0/0xe0 # [ 47.721103] direct_entry.cold+0x2c/0x38 # [ 47.725773] full_proxy_write+0x56/0x80 # [ 47.730343] vfs_write+0xea/0x3b0 # [ 47.734330] ksys_write+0x68/0xf0 # [ 47.738322] do_syscall_64+0x33/0x40 # [ 47.742602] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 47.748526] RIP: 0033:0x7f4437d5f833 # [ 47.752800] Code: 8b 15 61 26 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 # [ 47.774032] RSP: 002b:00007ffc99d90818 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 47.782763] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007f4437d5f833 # [ 47.791009] RDX: 0000000000000019 RSI: 00007f4437c52000 RDI: 0000000000000001 # [ 47.799253] RBP: 00007f4437c52000 R08: 00007f4437c51010 R09: 0000000000000000 # [ 47.807504] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 47.815749] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 47.824002] Modules linked in: fuse ip_tables cros_usbpd_logger cros_ec_debugfs uvcvideo cros_ec_lightbar cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger cros_ec_chardev videobuf2_memops videobuf2_v4l2 snd_soc_da7219 snd_soc_max98357a gsmi cros_ec_dev x86_pkg_temp_thermal videobuf2_common snd_soc_core snd_compress cros_usbpd_notify i2c_hid snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 47.864009] ---[ end trace 388eb702d36896ff ]--- # [ 47.869453] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 47.874<6>[ 48.499492] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING <6>[ 48.512328] lkdtm: attempting bad read from page above current stack <0>[ 48.519772] BUG: stack guard page was hit at 0000000001d9fdc8 (stack is 000000002457f309..00000000286110b8) <4>[ 48.530927] kernel stack overflow (page fault): 0000 [#4] SMP PTI <4>[ 48.538013] CPU: 2 PID: 996 Comm: cat Tainted: G D W 5.10.178-cip31 #1 <4>[ 48.546826] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 48.553729] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILING+0x27/0x3d <4>[ 48.560626] Code: de fb ff 0f 1f 44 00 00 53 48 c7 c7 d0 86 bf 89 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 d3 de fb ff 48 c7 c7 10 87 bf 89 <8a> 83 00 40 00 00 88 44 24 07 0f b6 74 24 07 5a 5b e9 b6 de fb ff <4>[ 48.581852] RSP: 0018:ffff9a87817afe50 EFLAGS: 00010246 <4>[ 48.587969] RAX: 0000000000000038 RBX: ffff9a87817ac000 RCX: 0000000000000000 <4>[ 48.596212] RDX: 0000000000000000 RSI: ffff91073bd1bf70 RDI: ffffffff89bf8710 <4>[ 48.604459] RBP: ffffffff89bf7ddb R08: 0000000000000000 R09: 0000000000000000 <4>[ 48.612702] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001a <4>[ 48.620949] R13: ffff9a87817aff10 R14: ffff9a87817aff10 R15: ffff9106c298f000 <4>[ 48.629193] FS: 00007fc69a4c7580(0000) GS:ffff91073bd00000(0000) knlGS:0000000000000000 <4>[ 48.638507] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 48.645206] CR2: ffff9a87817b0000 CR3: 00000001038fe000 CR4: 00000000003506e0 <4>[ 48.653449] Call Trace: <4>[ 48.656475] ? lkdtm_STACK_GUARD_PAGE_LEADING+0x3a/0x3a <4>[ 48.662593] direct_entry.cold+0x2c/0x38 <4>[ 48.667261] full_proxy_write+0x56/0x80 <4>[ 48.671831] vfs_write+0xea/0x3b0 <4>[ 48.675819] ksys_write+0x68/0xf0 <4>[ 48.679809] do_syscall_64+0x33/0x40 <4>[ 48.684089] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 48.690018] RIP: 0033:0x7fc69a3dd833 <4>[ 48.694297] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 48.715519] RSP: 002b:00007fffa3508078 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 48.724251] RAX: ffffffffffffffda RBX: 000000000000001a RCX: 00007fc69a3dd833 <4>[ 48.732493] RDX: 000000000000001a RSI: 00007fc69a2d0000 RDI: 0000000000000001 <4>[ 48.740737] RBP: 00007fc69a2d0000 R08: 00007fc69a2cf010 R09: 0000000000000000 <4>[ 48.748984] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 48.757230] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 116] Code: 89 ff e8 fe f0 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7<4>[ 48.765487] Modules linked in: fuse ip_tables cros_usbpd_logger cros_ec_debugfs uvcvideo cros_ec_lightbar cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger cros_ec_chardev videobuf2_memops videobuf2_v4l2 snd_soc_da7219 snd_soc_max98357a gsmi cros_ec_dev x86_pkg_temp_thermal videobuf2_common snd_soc_core snd_compress cros_usbpd_notify i2c_hid snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table <4>[ 48.811663] ---[ end trace 388eb702d3689700 ]--- <4>[ 48.817111] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 48.821774] Code: 89 ff e8 fe f0 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 20 46 e9 02 <4>[ 48.842995] RSP: 0018:ffff9a878129fe60 EFLAGS: 00010286 <4>[ 48.849111] RAX: ffffffff88778590 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 48.857355] RDX: 0000000000000000 RSI: ffff91073bc9bf70 RDI: ffffffff8977e0b0 <4>[ 48.865602] RBP: ffffffff89c5c448 R08: 0000000000000001 R09: 0000000000000001 <4>[ 48.873846] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 48.882091] R13: ffff9a878129ff10 R14: ffff9a878129ff10 R15: ffff9106c5f0c000 <4>[ 48.890333] FS: 00007fc69a4c7580(0000) GS:ffff91073bd00000(0000) knlGS:0000000000000000 <4>[ 48.899645] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 48.906343] CR2: ffff9a87817b0000 CR3: 00000001038fe000 CR4: 00000000003506e0 <3>[ 48.914597] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 48.924784] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 996, name: cat <4>[ 48.933421] INFO: lockdep is turned off. <4>[ 48.938084] irq event stamp: 0 <4>[ 48.941779] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 48.949061] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 <4>[ 48.958473] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 <4>[ 48.967881] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 48.975162] CPU: 2 PID: 996 Comm: cat Tainted: G D W 5.10.178-cip31 #1 <4>[ 48.983977] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 48.990863] Call Trace: <4>[ 48.993885] dump_stack+0x77/0x9b <4>[ 48.997875] ___might_sleep.cold+0xa6/0xb6 <4>[ 49.002739] exit_signals+0x1c/0x300 <4>[ 49.007019] do_exit+0xc2/0xab0 <4>[ 49.010812] ? ksys_write+0x68/0xf0 <4>[ 49.014992] make_task_dead+0x2f/0x30 <4>[ 49.019366] rewind_stack_and_make_dead+0x17/0x20 <4>[ 49.024900] RIP: 0033:0x7fc69a3dd833 <4>[ 49.029177] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 49.050409] RSP: 002b:00007fffa3508078 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 49.059141] RAX: ffffffffffffffda RBX: 000000000000001a RCX: 00007fc69a3dd833 <4>[ 49.067389] RDX: 000000000000001a RSI: 00007fc69a2d0000 RDI: 0000000000000001 <4>[ 49.075638] RBP: 00007fc69a2d0000 R08: 00007fc69a2cf010 R09: 0000000000000000 <4>[ 49.083890] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 49.092141] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 20 46 e9 02 # [ 47.895342] RSP: 0018:ffff9a878129fe60 EFLAGS: 00010286 # [ 47.901453] RAX: ffffffff88778590 RBX: 0000000000000001 RCX: 0000000000000000 # [ 47.909702] RDX: 0000000000000000 RSI: ffff91073bc9bf70 RDI: ffffffff8977e0b0 # [ 47.917950] RBP: ffffffff89c5c448 R08: 0000000000000001 R09: 0000000000000001 # [ 47.926194] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 47.934441] R13: ffff9a878129ff10 R14: ffff9a878129ff10 R15: ffff9106c5f0c000 # [ 47.942689] FS: 00007f4437e49580(0000) GS:ffff91073bd00000(0000) knlGS:0000000000000000 # [ 47.952006] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 47.958703] CR2: ffff9a878172bfff CR3: 0000000106a8a000 CR4: 00000000003506e0 # [ 47.966953] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 47.977138] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 963, name: cat # [ 47.985772] INFO: lockdep is turned off. # [ 47.990438] irq event stamp: 0 # [ 47.994136] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 48.001422] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 48.010835] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 48.020242] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 48.027524] CPU: 2 PID: 963 Comm: cat Tainted: G D W 5.10.178-cip31 #1 # [ 48.036351] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 48.043239] Call Trace: # [ 48.046263] dump_stack+0x77/0x9b # [ 48.050253] ___might_sleep.cold+0xa6/0xb6 # [ 48.055117] exit_signals+0x1c/0x300 # [ 48.059396] do_exit+0xc2/0xab0 # [ 48.063193] ? ksys_write+0x68/0xf0 # [ 48.067378] make_task_dead+0x2f/0x30 # [ 48.071752] rewind_stack_and_make_dead+0x17/0x20 # [ 48.077279] RIP: 0033:0x7f4437d5f833 # [ 48.081557] Code: 8b 15 61 26 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 # [ 48.102781] RSP: 002b:00007ffc99d90818 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 48.111517] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007f4437d5f833 # [ 48.119762] RDX: 0000000000000019 RSI: 00007f4437c52000 RDI: 0000000000000001 # [ 48.128008] RBP: 00007f4437c52000 R08: 00007f4437c51010 R09: 0000000000000000 # [ 48.136254] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 48.144499] 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 # [ 48.499492] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING # [ 48.512328] lkdtm: attempting bad read from page above current stack # [ 48.519772] BUG: stack guard page was hit at 0<6>[ 49.404106] lkdtm: Performing direct entry UNSET_SMEP 000000001d9fdc8 (stack is 000000002457f309..00000000286110b8) #<6>[ 49.410390] lkdtm: trying to clear SMEP normally [ 48.530927] kernel stack overflow (page fault): 0000 [#4] SM<4>[ 49.422051] ------------[ cut here ]------------ P PTI # [ 48.538013] CPU: 2 PID: 996 Comm: cat Tainted: G <4>[ 49.433676] pinned CR4 bits changed: 0x100000!? D W 5.10.178-cip31 #1 # [ 48.546826] Hardware name:<4>[ 49.445237] WARNING: CPU: 0 PID: 1032 at arch/x86/kernel/cpu/common.c:392 native_write_cr4+0x45/0x60 Google Coral/Coral, BIOS 09/29/2020 # [ 48.553729] RIP: 001<4>[ 49.461902] Modules linked in: fuse ip_tables cros_usbpd_logger cros_ec_debugfs uvcvideo cros_ec_lightbar cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger cros_ec_chardev videobuf2_memops videobuf2_v4l2 snd_soc_da7219 snd_soc_max98357a gsmi cros_ec_dev x86_pkg_temp_thermal videobuf2_common snd_soc_core snd_compress cros_usbpd_notify i2c_hid snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table <4>[ 49.508170] CPU: 0 PID: 1032 Comm: cat Tainted: G D W 5.10.178-cip31 #1 <4>[ 49.517135] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 49.524050] RIP: 0010:native_write_cr4+0x45/0x60 <4>[ 49.529509] Code: 39 c2 75 2d 48 85 f6 75 05 c3 cc cc cc cc 80 3d a3 37 46 02 00 75 f2 48 c7 c7 a0 66 af 89 c6 05 93 37 46 02 01 e8 34 f4 0f 01 <0f> 0b c3 cc cc cc cc 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09 <4>[ 49.550744] RSP: 0018:ffff9a8781817e48 EFLAGS: 00010286 <4>[ 49.556883] RAX: 0000000000000000 RBX: 00000000002506f0 RCX: 0000000000000000 <4>[ 49.565146] RDX: ffff91073bc2c660 RSI: ffff91073bc1bf70 RDI: ffff91073bc1bf70 <4>[ 49.573413] RBP: ffffffff89bf7df5 R08: 0000000000000000 R09: 0000000000000000 <4>[ 49.581674] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b <4>[ 49.589938] R13: ffff9a8781817f10 R14: ffff9a8781817f10 R15: ffff9106c3856000 <4>[ 49.598205] FS: 00007fcca49eb580(0000) GS:ffff91073bc00000(0000) knlGS:0000000000000000 <4>[ 49.607530] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 49.614245] CR2: 00007fcca47f4000 CR3: 0000000105d1a000 CR4: 00000000003506f0 <4>[ 49.622506] Call Trace: <4>[ 49.625552] lkdtm_UNSET_SMEP.cold+0x1d/0x103 <4>[ 49.630727] direct_entry.cold+0x2c/0x38 <4>[ 49.635419] full_proxy_write+0x56/0x80 <4>[ 49.640009] vfs_write+0xea/0x3b0 <4>[ 49.644019] ksys_write+0x68/0xf0 <4>[ 49.648031] do_syscall_64+0x33/0x40 <4>[ 49.652332] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 49.658267] RIP: 0033:0x7fcca4901833 <4>[ 49.662562] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 49.683804] RSP: 002b:00007fffb1087cd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 49.692556] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007fcca4901833 <4>[ 49.700815] RDX: 000000000000000b RSI: 00007fcca47f4000 RDI: 0000000000000001 <4>[ 49.709082] RBP: 00007fcca47f4000 R08: 00007fcca47f3010 R09: 0000000000000000 0:lkdtm_STACK_GUARD_PAGE_TRAILING+0x27/0x3d # [ 48.560626] Co<4>[ 49.717338] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 49.731781] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 49.740048] irq event stamp: 0 <4>[ 49.743759] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 49.751048] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 de: de fb ff 0f 1f 44 00 00 53 48 c7 c7 d0 86 bf 89 50 65 48 8b <4>[ 49.760479] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 <4>[ 49.776099] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 49.783395] ---[ end trace 388eb702d3689701 ]--- <6>[ 49.788852] lkdtm: ok: SMEP did not get cleared <6>[ 49.794209] lkdtm: trying to clear SMEP with call gadget 04 25 40 b0 01 00 48 8b 58 18 e8 d3 de fb ff 48 c7 c7 10 87 bf 8<6>[ 49.800439] lkdtm: ok: SMEP removal was reverted 9 <8a> 83 00 40 00 00 88 44 24 07 0f b6 74 24 07 5a 5b e9 b6 de fb ff # [ 48.581852] RSP: 0018:ffff9a87817afe50 EFLAGS: 00010246 # [ 48.587969] RAX: 0000000000000038 RBX: ffff9a87817ac000 RCX: 0000000000000000 # [ 48.596212] RDX: 0000000000000000 RSI: ffff91073bd1bf70 RDI: ffffffff89bf8710 # [ 48.604459] RBP: ffffffff89bf7ddb R08: 0000000000000000 R09: 0000000000000000 # [ 48.612702] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001a # [ 48.620949] R13: ffff9a87817aff10 R14: ffff9a87817aff10 R15: ffff9106c298f000 # [ 48.629193] FS: 00007fc69a4c7580(0000) GS:ffff91073bd00000(0000) knlGS:0000000000000000 # [ 48.638507] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 48.645206] CR2: ffff9a87817b0000 CR3: 00000001038fe000 CR4: 00000000003506e0 # [ 48.653449] Call Trace: # [ 48.656475] ? lkdtm_STACK_GUARD_PAGE_LEADING+0x3a/0x3a # [ 48.662593] direct_entry.cold+0x2c/0x38 # [ 48.667261] full_proxy_write+0x56/0x80 # [ 48.671831] vfs_write+0xea/0x3b0 # [ 48.675819] ksys_write+0x68/0xf0 # [ 48.679809] do_syscall_64+0x33/0x40 # [ 48.684089] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 48.690018] RIP: 0033:0x7fc69a3dd833 # [ 48.694297] Code: 8b 15 61 26 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 # [ 48.715519] RSP: 002b:00007fffa3508078 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 48.724251] RAX: ffffffffffffffda RBX: 000000000000001a RCX: 00007fc69a3dd833 # [ 48.732493] RDX: 000000000000001a RSI: 00007fc69a2d0000 RDI: 0000000000000001 # [ 48.740737] RBP: 00007fc69a2d0000 R08: 00007fc69a2cf010 R09: 0000000000000000 # [ 48.748984] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 48.757230] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 48.765487] Modules linked in: fuse ip_tables cros_usbpd_logger cros_ec_debugfs uvcvideo cros_ec_lightbar cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger cros_ec_chardev videobuf2_memops videobuf2_v4l2 snd_soc_da7219 snd_soc_max98357a gsmi cros_ec_dev x86_pkg_temp_thermal videobuf2_common snd_soc_core snd_compress cros_usbpd_notify i2c_hid snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 48.811663] ---[ end trace 388eb702d3689700 ]--- # [ 48.817111] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 48.821774] Code: 89 ff e8 fe f0 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<6>[ 50.065518] lkdtm: Performing direct entry DOUBLE_FAULT 0 00 00 00 0f 1f 44 00 00 83 05 20 46 e9 02 # [ 48.842995] RS<3>[ 50.072449] lkdtm: XFAIL: this test is ia32-only P: 0018:ffff9a878129fe60 EFLAGS: 00010286 # [ 48.849111] RAX: ffffffff88778590 RBX: 0000000000000001 RCX: 0000000000000000 # [ 48.857355] RDX: 0000000000000000 RSI: ffff91073bc9bf70 RDI: ffffffff8977e0b0 # [ 48.865602] RBP: ffffffff89c5c448 R08: 0000000000000001 R09: 0000000000000001 # [ 48.873846] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 48.882091] R13: ffff9a878129ff10 R14: ffff9a878129ff10 R15: ffff9106c5f0c000 # [ 48.890333] FS: 00007fc69a4c7580(0000) GS:ffff91073bd00000(0000) knlGS:0000000000000000 # [ 48.899645] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 48.906343] CR2: ffff9a87817b0000 CR3: 00000001038fe000 CR4: 00000000003506e0 # [ 48.914597] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 48.924784] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 996, name: cat # [ 48.933421] INFO: lockdep is turned off. # [ 48.938084] irq event stamp: 0 # [ 48.941779] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 48.949061] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 48.958473] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 48.967881] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 48.975162] CPU: 2 PID: 996 Comm: cat Tainted: G D W 5.10.178-cip31 #1 # [ 48.983977] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 48.990863] Call Trace: # [ 48.993885] dump_stack+0x77/0x9b # [ 48.997875] ___might_sleep.cold+0xa6/0xb6 # [ 49.002739] exit_signals+0x1c/0x300 # [ 49.007019] do_exit+0xc2/0xab0 # [ 49.010812] ? ksys_write+0x68/0xf0 # [ 49.014992] make_task_dead+0x2f/0x30 # [ 49.019366] rewind_stack_and_make_dead+0x17/0x20 # [ 49.024900] RIP: 0033:0x7fc69a3dd833 # [ 49.029177] Code: 8b 15 61 26 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 # [ 49.050409] RSP: 002b:00007fffa3508078 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 49.059141] RAX: ffffffffffffffda RBX: 000000000000001a RCX: 00007fc69a3dd833 # [ 49.067389] RDX: 000000000000001a RSI: 00007fc69a2d0000 RDI: 0000000000000001 # [ 49.075638] RBP: 00007fc69a2d0000 R08: 00007fc69a2cf010 R09: 0000000000000000 # [ 49.083890] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 49.092141] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # STACK_GUARD_PAGE_TRAILING: saw 'call trace:': ok ok 13 selftests: lkdtm: STACK_GUARD_PA<6>[ 50.338235] lkdtm: Performing direct entry CORRUPT_PAC GE_TRAILING.sh # selftests: lkdtm: UNSET_SMEP.sh # [ 49.4041<3>[ 50.350521] lkdtm: XFAIL: this test is arm64-only 06] lkdtm: Performing direct entry UNSET_SMEP # [ 49.410390] lkdtm: trying to clear SMEP normally # [ 49.422051] ------------[ cut here ]------------ # [ 49.433676] pinned CR4 bits changed: 0x100000!? # [ 49.445237] WARNING: CPU: 0 PID: 1032 at arch/x86/kernel/cpu/common.c:392 native_write_cr4+0x45/0x60 # [ 49.461902] Modules linked in: fuse ip_tables cros_usbpd_logger cros_ec_debugfs uvcvideo cros_ec_lightbar cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger cros_ec_chardev videobuf2_memops videobuf2_v4l2 snd_soc_da7219 snd_soc_max98357a gsmi cros_ec_dev x86_pkg_temp_thermal videobuf2_common snd_soc_core snd_compress cros_usbpd_notify i2c_hid snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 49.508170] CPU: 0 PID: 1032 Comm: cat Tainted: G D W 5.10.178-cip31 #1 # [ 49.517135] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 49.524050] RIP: 0010:native_write_cr4+0x45/0x60 # [ 49.529509] Code: 39 c2 75 2d 48 85 f6 75 05 c3 cc cc cc cc 80 3d a3 37 46 02 00 75 f2 48 c7 c7 a0 66 af 89 c6 05 93 37 46 02 01 e8 34 f4 0f 01 <0f> 0b c3 cc cc cc cc 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09 # [ 49.550744] RSP: 0018:ffff9a8781817e48 EFLAGS: 00010286 # [ 49.556883] RAX: 0000000000000000 RBX: 00000000002506f0 RCX: 0000000000000000 # [ 49.565146] RDX: ffff91073bc2c660 RSI: ffff91073bc1bf70 RDI: ffff91073bc1bf70 # [ 49.573413] RBP: ffffffff89bf7df5 R08: 0000000000000000 R09: 0000000000000000 # [ 49.581674] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b # [ 49.589938] R13: ffff9a8781817f10 R14: ffff9a8781817f10 R15: ffff9106c3856000 # [ 49.598205] FS: 00007fcca49eb580(0000) GS:ffff91073bc00000(0000) knlGS:0000000000000000 # [ 49.607530] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 49.614245] CR2: 00007fcca47f4000 CR3: 0000000105d1a000 CR4: 00000000003506f0 # [ 49.622506] Call Trace: # [ 49.625552] lkdtm_UNSET_SMEP.cold+0x1d/0x103 # [ 49.630727] direct_entry.cold+0x2c/0x38 # [ 49.635419] full_proxy_write+0x56/0x80 # [ 49.640009] vfs_write+0xea/0x3b0 # [ 49.644019] ksys_write+0x68/0xf0 # [ 49.648031] do_syscall_64+0x33/0x40 # [ 49.652332] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 49.658267] RIP: 0033:0x7fcca4901833 # [ 49.662562] Code: 8b 15 61 26 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 # [ 49.683804] RSP: 002b:00007fffb1087cd8 EFLAG<6>[ 50.609786] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE S: 00000246 ORIG_RAX: 0000000000000001 # [ 49.692556] RAX: ff<3>[ 50.617669] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS ffffffffffffda RBX: 000000000000000b RCX: 00007fcca4901833 # [ 49.700815] RDX: 000000000000000b RSI: 00007fcca47f4000 RDI: 0000000000000001 # [ 49.709082] RBP: 00007fcca47f4000 R08: 00007fcca47f3010 R09: 0000000000000000 # [ 49.717338] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 49.731781] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 49.740048] irq event stamp: 0 # [ 49.743759] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 49.751048] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 49.760479] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 49.776099] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 49.783395] ---[ end trace 388eb702d3689701 ]--- # [ 49.788852] lkdtm: ok: SMEP did not get cleared # [ 49.794209] lkdtm: trying to clear SMEP with call gadget # [ 49.800439] 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 # [ 50.065518] lkdtm: Performing direct entry DOUBLE_FAULT # [ 50.072449] 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 # [ 50.338235] lkdtm: Performing direct entry CORRUPT_PAC # [ 50.350521] 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 # [ 50.609786] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE # [ 50.617669] 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 <6>[ 51.140628] lkdtm: Performing direct entry READ_AFTER_FREE <6>[ 51.147096] lkdtm: Value in memory before free: 12345678 <6>[ 51.153368] lkdtm: Attempting bad read from freed memory <6>[ 51.159596] lkdtm: Memory was not poisoned # [ 51.140628] lkdtm: Performing direct entry READ_AFTER_FREE # [ 51.147096] lkdtm: Value in memory before free: 12345678 # [ 51.153368] lkdtm: Attempting bad read from freed memory # [ 51.159596] 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 <6>[ 51.540675] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE <6>[ 51.547746] lkdtm: Value in memory before free: 12345678 <6>[ 51.553987] lkdtm: Attempting to read from freed memory <6>[ 51.560127] lkdtm: Buddy page was not poisoned # [ 51.540675] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE # [ 51.547746] lkdtm: Value in memory before free: 12345678 # [ 51.553987] lkdtm: Attempting to read from freed memory # [ 51.560127] 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 <6>[ 51.813655] lkdtm: Performing direct entry SLAB_FREE_DOUBLE <6>[ 51.820217] lkdtm: Attempting double slab free ... # [ 51.813655] lkdtm: Performing direct entry SLAB_FREE_DOUBLE # [ 51.820217] 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 <6>[ 52.078898] lkdtm: Performing direct entry SLAB_FREE_CROSS <6>[ 52.085369] lkdtm: Attempting cross-cache slab free ... # [ 52.078898] lkdtm: Performing direct entry SLAB_FREE_CROSS # [ 52.085369] 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 <6>[ 52.341875] lkdtm: Performing direct entry SLAB_FREE_PAGE <6>[ 52.348231] lkdtm: Attempting non-Slab slab free ... # [ 52.341875] lkdtm: Performing direct entry SLAB_FREE_PAGE # [ 52.348231] 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 <6>[ 53.135535] lkdtm: Performing direct entry EXEC_DATA <6>[ 53.141410] lkdtm: attempting ok execution at ffffffff88778960 <6>[ 53.148236] lkdtm: attempting bad execution at ffffffff8b60cc00 <2>[ 53.155172] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) <1>[ 53.163806] BUG: unable to handle page fault for address: ffffffff8b60cc00 <1>[ 53.171762] #PF: supervisor instruction fetch in kernel mode <1>[ 53.178357] #PF: error_code(0x0011) - permissions violation <6>[ 53.184853] PGD 32829067 P4D 32829067 PUD 3282a063 PMD 80000000340000e3 <4>[ 53.192628] Oops: 0011 [#5] SMP PTI <4>[ 53.196801] CPU: 0 PID: 1539 Comm: cat Tainted: G D W 5.10.178-cip31 #1 <4>[ 53.205722] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 53.212620] RIP: 0010:data_area+0x0/0x40 <4>[ 53.217288] Code: ff ff 00 52 e5 c4 06 91 ff ff 00 51 e5 c4 06 91 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 <4>[ 53.238513] RSP: 0018:ffff9a8781f27e48 EFLAGS: 00010246 <4>[ 53.244629] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 53.252875] RDX: 0000000000000000 RSI: ffff91073bc1bf70 RDI: ffff91073bc1bf70 <4>[ 53.261119] RBP: ffffffff8b60cc00 R08: 0000000000000000 R09: 0000000000000000 <4>[ 53.269359] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a <4>[ 53.277602] R13: ffff9a8781f27f10 R14: ffff9a8781f27f10 R15: ffff9106c6bc8000 <4>[ 53.285846] FS: 00007fb992e9e580(0000) GS:ffff91073bc00000(0000) knlGS:0000000000000000 <4>[ 53.295153] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 53.301842] CR2: ffffffff8b60cc00 CR3: 0000000103478000 CR4: 00000000003506f0 <4>[ 53.310079] Call Trace: <4>[ 53.313107] ? execute_location+0x48/0x56 <4>[ 53.317869] ? direct_entry.cold+0x2c/0x38 <4>[ 53.322727] ? full_proxy_write+0x56/0x80 <4>[ 53.327488] ? vfs_write+0xea/0x3b0 <4>[ 53.331668] ? ksys_write+0x68/0xf0 <4>[ 53.335852] ? do_syscall_64+0x33/0x40 <4>[ 53.340323] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 53.346444] Modules linked in: fuse ip_tables cros_usbpd_logger cros_ec_debugfs uvcvideo cros_ec_lightbar cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger cros_ec_chardev videobuf2_memops videobuf2_v4l2 snd_soc_da7219 snd_soc_max98357a gsmi cros_ec_dev x86_pkg_temp_thermal videobuf2_common snd_soc_core snd_compress cros_usbpd_notify i2c_hid snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table <4>[ 53.386426] CR2: ffffffff8b60cc00 <4>[ 53.390415] ---[ end trace 388eb702d3689702 ]--- <4>[ 53.395860] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 53.400526] Code: 89 ff e8 fe f0 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 20 46 e9 02 <4>[ 53.421747] RSP: 0018:ffff9a878129fe60 EFLAGS: 00010286 <4>[ 53.427854] RAX: ffffffff88778590 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 53.436097] RDX: 0000000000000000 RSI: ffff91073bc9bf70 RDI: ffffffff8977e0b0 <4>[ 53.444341] RBP: ffffffff89c5c448 R08: 0000000000000001 R09: 0000000000000001 <4>[ 53.452584] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 53.460829] R13: ffff9a878129ff10 R14: ffff9a878129ff10 R15: ffff9106c5f0c000 <4>[ 53.469078] FS: 00007fb992e9e580(0000) GS:ffff91073bc00000(0000) knlGS:0000000000000000 <4>[ 53.478389] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 53.485086] CR2: ffffffff8b60cc00 CR3: 0000000103478000 CR4: 00000000003506f0 <3>[ 53.493336] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 53.503519] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1539, name: cat <4>[ 53.512244] INFO: lockdep is turned off. <4>[ 53.516905] irq event stamp: 0 <4>[ 53.520603] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 53.527884] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 <4>[ 53.537283] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 <4>[ 53.546692] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 53.553973] CPU: 0 PID: 1539 Comm: cat Tainted: G D W 5.10.178-cip31 #1 <4>[ 53.562898] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 53.569789] Call Trace: <4>[ 53.572813] dump_stack+0x77/0x9b <4>[ 53.576806] ___might_sleep.cold+0xa6/0xb6 <4>[ 53.581670] exit_signals+0x1c/0x300 <4>[ 53.585949] do_exit+0xc2/0xab0 <4>[ 53.589745] ? ksys_write+0x68/0xf0 <4>[ 53.593929] make_task_dead+0x2f/0x30 <4>[ 53.598305] rewind_stack_and_make_dead+0x17/0x20 <4>[ 53.603838] RIP: 0033:0x7fb992db4833 <4>[ 53.608115] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 53.629346] RSP: 002b:00007ffd17953eb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 53.638075] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fb992db4833 <4>[ 53.646319] RDX: 000000000000000a RSI: 00007fb992ca7000 RDI: 0000000000000001 <4>[ 53.654564] RBP: 00007fb992ca7000 R08: 00007fb992ca6010 R09: 0000000000000000 <4>[ 53.662811] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 53.671062] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # Killed # [ 53.135535] lkdtm: Performing direct entry EXEC_DATA # [ 53.141410] lkdtm: attempting ok execution at ffffffff88778960 # [ 53.148236] lkdtm: attempting bad execution at ffffffff8b60cc00 # [ 53.155172] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 53.163806] BUG: unable to handle page fault for address: ffffffff8b60cc00 # [ 53.171762] #PF: supervisor instruction fetch in kernel mode # [ 53.178357] #PF: error_code(0x0011) - permissions violation # [ 53.184853] PGD 32829067 P4D 32829067 PUD 3282a063 PMD 80000000340000e3 # [ 53.192628] Oops: 0011 [#5] SMP PTI # [ 53.196801] CPU: 0 PID: 1539 Comm: cat Tainted: G D W 5.10.178-cip31 #1 # [ 53.205722] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 53.212620] RIP: 0010:data_area+0x0/0x40 # [ 53.217288] Code: ff ff 00 52 e5 c4 06 91 ff ff 00 51 e5 c4 06 91 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 # [ 53.238513] RSP: 0018:ffff9a8781f27e48 EFLAGS: 00010246 # [ 53.244629] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 53.252875] RDX: 0000000000000000 RSI: ffff91073bc1bf70 RDI: ffff91073bc1bf70 # [ 53.261119] RBP: ffffffff8b60cc00 R08: 0000000000000000 R09: 0000000000000000 # [ 53.269359] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 53.277602] R13: ffff9a8781f27f10 R14: ffff9a8781f27f10 R15: ffff9106c6bc8000 # [ 53.285846] FS: 00007fb992e9e580(0000) GS:ffff91073bc00000(0000) knlGS:0000000000000000 # [ 53.295153] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 53.301842] CR2: ffffffff8b60cc00 CR3: 0000000103478000 CR4: 00000000003506f0 # [ 53.310079] Call Trace: # [ 53.313107] ? execute_location+0x48/0x56 # [ 53.317869] ? direct_entry.cold+0x2c/0x38 # [ 53.322727] ? full_proxy_write+0x56/0x80 # [ 53.327488] ? vfs_write+0xea/0x3b0 # [ 53.331668] ? ksys_write+0x68/0xf0 # [ 53.335852] ? do_syscall_64+0x33/0x40 # [ 53.340323] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 53.346444] Modules linked in: fuse ip_tables cros_usbpd_logger cros_ec_debugfs uvcvideo cros_ec_lightbar cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger cros_ec_chardev videobuf2_memops videobuf2_v4l2 snd_soc_da7219 snd_soc_max98357a gsmi cros_ec_dev x86_pkg_temp_thermal videobuf2_common snd_soc_core snd_compress cros_usbpd_notify i2c_hid snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 53.386426] CR2: ffffffff8b60cc00 # [ 53.390415] ---[ end trace 388eb702d3689702 ]--- <6>[ 53.990578] lkdtm: Performing direct entry EXEC_STACK <6>[ 53.997130] lkdtm: attempting ok execution at ffffffff88778960 <6>[ 54.003964] lkdtm: attempting bad execution at ffff9a8781fe7e18 # [ 53.395860] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 53.400526] <2>[ 54.010918] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) <1>[ 54.025723] BUG: unable to handle page fault for address: ffff9a8781fe7e18 <1>[ 54.033681] #PF: supervisor instruction fetch in kernel mode <1>[ 54.040280] #PF: error_code(0x0011) - permissions violation <6>[ 54.046786] PGD 100000067 P4D 100000067 PUD 100231067 PMD 1035a9067 PTE 8000000103e08063 <4>[ 54.056121] Oops: 0011 [#6] SMP PTI Code: 89 ff e8 fe f0 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 e<4>[ 54.060306] CPU: 2 PID: 1575 Comm: cat Tainted: G D W 5.10.178-cip31 #1 <4>[ 54.075425] Hardware name: Google Coral/Coral, BIOS 09/29/2020 a ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00<4>[ 54.082321] RIP: 0010:0xffff9a8781fe7e18 <4>[ 54.093175] Code: 00 00 18 7e fe 81 87 9a ff ff cc 95 e0 88 ff ff ff ff 20 00 00 00 00 00 00 00 1e 7f bf 89 ff ff ff ff f8 96 e0 88 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 <4>[ 54.114394] RSP: 0018:ffff9a8781fe7df8 EFLAGS: 00010246 <4>[ 54.120511] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 54.128754] RDX: 0000000000000000 RSI: ffff91073bd1bf70 RDI: ffff91073bd1bf70 <4>[ 54.136997] RBP: ffff9a8781fe7e18 R08: 0000000000000000 R09: 0000000000000000 <4>[ 54.145243] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b <4>[ 54.153486] R13: ffff9a8781fe7f10 R14: ffff9a8781fe7f10 R15: ffff9106c684d000 <4>[ 54.161729] FS: 00007f8943419580(0000) GS:ffff91073bd00000(0000) knlGS:0000000000000000 <4>[ 54.171037] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 54.177730] CR2: ffff9a8781fe7e18 CR3: 0000000103a34000 CR4: 00000000003506e0 <4>[ 54.185969] Call Trace: <4>[ 54.189000] ? execute_location+0x48/0x56 <4>[ 54.193764] ? lkdtm_EXEC_STACK+0x26/0x44 <4>[ 54.198529] ? direct_entry.cold+0x2c/0x38 <4>[ 54.203392] ? full_proxy_write+0x56/0x80 <4>[ 54.208156] ? vfs_write+0xea/0x3b0 <4>[ 54.212337] ? ksys_write+0x68/0xf0 <4>[ 54.216512] ? do_syscall_64+0x33/0x40 <4>[ 54.220981] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 20 4<4>[ 54.227103] Modules linked in: fuse ip_tables cros_usbpd_logger cros_ec_debugfs uvcvideo cros_ec_lightbar cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger cros_ec_chardev videobuf2_memops videobuf2_v4l2 snd_soc_da7219 snd_soc_max98357a gsmi cros_ec_dev x86_pkg_temp_thermal videobuf2_common snd_soc_core snd_compress cros_usbpd_notify i2c_hid snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table <4>[ 54.273297] CR2: ffff9a8781fe7e18 <4>[ 54.277287] ---[ end trace 388eb702d3689703 ]--- <4>[ 54.282731] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 54.287397] Code: 89 ff e8 fe f0 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 20 46 e9 02 <4>[ 54.308620] RSP: 0018:ffff9a878129fe60 EFLAGS: 00010286 <4>[ 54.314736] RAX: ffffffff88778590 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 54.322980] RDX: 0000000000000000 RSI: ffff91073bc9bf70 RDI: ffffffff8977e0b0 <4>[ 54.331221] RBP: ffffffff89c5c448 R08: 0000000000000001 R09: 0000000000000001 <4>[ 54.339470] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 54.347713] R13: ffff9a878129ff10 R14: ffff9a878129ff10 R15: ffff9106c5f0c000 <4>[ 54.355957] FS: 00007f8943419580(0000) GS:ffff91073bd00000(0000) knlGS:0000000000000000 <4>[ 54.365267] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 54.371962] CR2: ffff9a8781fe7e18 CR3: 0000000103a34000 CR4: 00000000003506e0 6 e9 02 # [ 53.421747] RSP: 0018:ffff9a878129fe60 EFLAGS: 00010286 # [ 53.427854] RAX: ffffffff88778590 RBX: 0000000000000001 RCX: 0000000000000000 # [ 53.436097] RDX: 0000000000000000 RSI: ffff91073bc9bf70 RDI: ffffffff8977e0b0 # [ 53.444341] RBP: ffffffff89c5c448 R08: 0000000000000001 R09: 0000000000000001 # [ 53.452584] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 53.460829] R13: ffff9a878129ff10 R14: ffff9a878129ff10 R15: ffff9106c5f0c000 # [ 53.469078] FS: 00007fb992e9e580(0000) GS:ffff91073bc00000(0000) knlGS:0000000000000000 # [ 53.478389] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 53.485086] CR2: ffffffff8b60cc00 CR3: 0000000103478000 CR4: 00000000003506f0 # [ 53.493336] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 53.503519] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1539, name: cat # [ 53.512244] INFO: lockdep is turned off. # [ 53.516905] irq event stamp: 0 # [ 53.520603] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 53.527884] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 53.537283] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 53.546692] softirqs last disabled at (0): [<0000000000000000>]0 x # [ 53.553973] CPU: 0 PID: 1539 Comm: cat Tainted: G D W 5.10.178-cip31 #1 # [ 53.562898] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 53.569789] Call Trace: # [ 53.572813] dump_stack+0x77/0x9b # [ 53.576806] ___might_sleep.cold+0xa6/0xb6 # [ 53.581670] exit_signals+0x1c/0x300 # [ 53.585949] do_exit+0xc2/0xab0 # [ 53.589745] ? ksys_write+0x68/0xf0 # [ 53.593929] make_task_dead+0x2f/0x30 # [ 53.598305] rewind_stack_and_make_dead+0x17/0x20 # [ 53.603838] RIP: 0033:0x7fb992db4833 # [ 53.608115] Code: 8b 15 61 26 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 # [ 53.629346] RSP: 002b:00007ffd17953eb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 53.638075] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fb992db4833 # [ 53.646319] RDX: 000000000000000a RSI: 00007fb992ca7000 RDI: 0000000000000001 # [ 53.654564] RBP: 00007fb992ca7000 R08: 00007fb992ca6010 R09: 0000000000000000 # [ 53.662811] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 53.671062] 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 # [ 53.990578] lkdtm: Performing direct entry EXEC_STACK # [ 53.<6>[ 54.650449] lkdtm: Performing direct entry EXEC_KMALLOC <6>[ 54.659165] lkdtm: attempting ok execution at ffffffff88778960 <6>[ 54.665996] lkdtm: attempting bad execution at ffff9106c5ed5140 <2>[ 54.672921] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) <1>[ 54.681559] BUG: unable to handle page fault for address: ffff9106c5ed5140 <1>[ 54.689515] #PF: supervisor instruction fetch in kernel mode <1>[ 54.696112] #PF: error_code(0x0011) - permissions violation <6>[ 54.702615] PGD 34201067 P4D 34201067 PUD 100883063 PMD 105e0e063 PTE 8000000105ed5063 <4>[ 54.711749] Oops: 0011 [#7] SMP PTI <4>[ 54.715919] CPU: 0 PID: 1611 Comm: cat Tainted: G D W 5.10.178-cip31 #1 <4>[ 54.724833] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 54.731725] RIP: 0010:0xffff9106c5ed5140 <4>[ 54.736388] Code: 00 00 02 00 00 00 00 00 00 00 00 54 ed c5 06 91 ff ff 04 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 eb ef cf 87 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 <4>[ 54.757591] RSP: 0018:ffff9a878206fe38 EFLAGS: 00010246 <4>[ 54.763710] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 54.771953] RDX: 0000000000000000 RSI: ffff91073bc1bf70 RDI: ffff91073bc1bf70 <4>[ 54.780197] RBP: ffff9106c5ed5140 R08: 0000000000000000 R09: 0000000000000000 <4>[ 54.788439] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d <4>[ 54.796686] R13: ffff9a878206ff10 R14: ffff9a878206ff10 R15: ffff9106c5dd4000 <4>[ 54.804935] FS: 00007f72a6125580(0000) GS:ffff91073bc00000(0000) knlGS:0000000000000000 <4>[ 54.814239] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 54.820939] CR2: ffff9106c5ed5140 CR3: 0000000106a8a000 CR4: 00000000003506f0 <4>[ 54.829185] Call Trace: <4>[ 54.832215] ? execute_location+0x48/0x56 <4>[ 54.836980] ? lkdtm_EXEC_KMALLOC+0x2c/0x40 <4>[ 54.841932] ? direct_entry.cold+0x2c/0x38 <4>[ 54.846792] ? full_proxy_write+0x56/0x80 <4>[ 54.851556] ? vfs_write+0xea/0x3b0 <4>[ 54.855737] ? ksys_write+0x68/0xf0 <4>[ 54.859921] ? do_syscall_64+0x33/0x40 <4>[ 54.864391] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 997130] lkdtm: attempting ok execution at ffffffff88778960 # [ <4>[ 54.870515] Modules linked in: fuse ip_tables cros_usbpd_logger cros_ec_debugfs uvcvideo cros_ec_lightbar cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger cros_ec_chardev videobuf2_memops videobuf2_v4l2 snd_soc_da7219 snd_soc_max98357a gsmi cros_ec_dev x86_pkg_temp_thermal videobuf2_common snd_soc_core snd_compress cros_usbpd_notify i2c_hid snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table <4>[ 54.916661] CR2: ffff9106c5ed5140 <4>[ 54.920647] ---[ end trace 388eb702d3689704 ]--- <4>[ 54.926086] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 54.930747] Code: 89 ff e8 fe f0 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 20 46 e9 02 <4>[ 54.951966] RSP: 0018:ffff9a878129fe60 EFLAGS: 00010286 <4>[ 54.958072] RAX: ffffffff88778590 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 54.966318] RDX: 0000000000000000 RSI: ffff91073bc9bf70 RDI: ffffffff8977e0b0 <4>[ 54.974566] RBP: ffffffff89c5c448 R08: 0000000000000001 R09: 0000000000000001 <4>[ 54.982813] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 54.991061] R13: ffff9a878129ff10 R14: ffff9a878129ff10 R15: ffff9106c5f0c000 <4>[ 54.999308] FS: 00007f72a6125580(0000) GS:ffff91073bc00000(0000) knlGS:0000000000000000 <4>[ 55.008619] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 55.015312] CR2: ffff9106c5ed5140 CR3: 0000000106a8a000 CR4: 00000000003506f0 <3>[ 55.023556] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 55.033733] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1611, name: cat <4>[ 55.042458] INFO: lockdep is turned off. <4>[ 55.047117] irq event stamp: 0 <4>[ 55.050809] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 55.058085] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 <4>[ 55.067486] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 <4>[ 55.076890] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 55.084163] CPU: 0 PID: 1611 Comm: cat Tainted: G D W 5.10.178-cip31 #1 <4>[ 55.093079] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 55.099963] Call Trace: <4>[ 55.102984] dump_stack+0x77/0x9b <4>[ 55.106971] ___might_sleep.cold+0xa6/0xb6 <4>[ 55.111833] exit_signals+0x1c/0x300 <4>[ 55.116110] do_exit+0xc2/0xab0 <4>[ 55.119906] ? ksys_write+0x68/0xf0 <4>[ 55.124089] make_task_dead+0x2f/0x30 <4>[ 55.128461] rewind_stack_and_make_dead+0x17/0x20 <4>[ 55.133983] RIP: 0033:0x7f72a603b833 <4>[ 55.138257] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 55.159474] RSP: 002b:00007ffea82de1a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 55.168208] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007f72a603b833 <4>[ 55.176450] RDX: 000000000000000d RSI: 00007f72a5f2e000 RDI: 0000000000000001 <4>[ 55.184689] RBP: 00007f72a5f2e000 R08: 00007f72a5f2d010 R09: 0000000000000000 <4>[ 55.192931] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 55.201172] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 54.003964] lkdtm: attempting bad execution at ffff9a8781fe7e18 # [ 54.010918] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 54.025723] BUG: unable to handle page fault for address: ffff9a8781fe7e18 # [ 54.033681] #PF: supervisor instruction fetch in kernel mode # [ 54.040280] #PF: error_code(0x0011) - permissions violation # [ 54.046786] PGD 100000067 P4D 100000067 PUD 100231067 PMD 1035a9067 PTE 8000000103e08063 # [ 54.056121] Oops: 0011 [#6] SMP PTI # [ 54.060306] CPU: 2 PID: 1575 Comm: cat Tainted: G D W 5.10.178-cip31 #1 # [ 54.075425] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 54.082321] RIP: 0010:0xffff9a8781fe7e18 # [ 54.093175] Code: 00 00 18 7e fe 81 87 9a ff ff cc 95 e0 88 ff ff ff ff 20 00 00 00 00 00 00 00 1e 7f bf 89 ff ff ff ff f8 96 e0 88 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 # [ 54.114394] RSP: 0018:ffff9a8781fe7df8 EFLAGS: 00010246 # [ 54.120511] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 54.128754] RDX: 0000000000000000 RSI: ffff91073bd1bf70 RDI: ffff91073bd1bf70 # [ 54.136997] RBP: ffff9a8781fe7e18 R08: 0000000000000000 R09: 0000000000000000 # [ 54.145243] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b # [ 54.153486] R13: ffff9a8781fe7f10 R14: ffff9a8781fe7f10 R15: ffff9106c684d000 # [ 54.161729] FS: 00007f8943419580(0000) GS:ffff91073bd00000(0000) knlGS:0000000000000000 # [ 54.171037] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 54.177730] CR2: ffff9a8781fe7e18 CR3: 0000000103a34000 CR4: 00000000003506e0 # [ 54.185969] Call Trace: # [ 54.189000] ? execute_location+0x48/0x56 # [ 54.193764] ? lkdtm_EXEC_STACK+0x26/0x44 # [ 54.198529] ? direct_entry.cold+0x2c/0x38 # [ 54.203392] ? full_proxy_write+0x56/0x80 # [ 54.208156] ? vfs_write+0xea/0x3b0 # [ 54.212337] ? ksys_write+0x68/0xf0 # [ 54.216512] ? do_syscall_64+0x33/0x40 # [ 54.220981] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 54.227103] Modules linked in: fuse ip_tables cros_usbpd_logger cros_ec_debugfs uvcvideo cros_ec_lightbar cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger cros_ec_chardev videobuf2_memops videobuf2_v4l2 snd_soc_da7219 snd_soc_max98357a gsmi cros_ec_dev x86_pkg_temp_thermal videobuf2_common snd_soc_core snd_compress cros_usbpd_notify i2c_hid snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 54.273297] CR2: ffff9a8781fe7e18 # [ 54.277287] ---[ end trace 388eb702d3689703 ]--- # [ 54.282731] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 54.287397] Code: 89 ff e8 fe f0 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 20 46 e9 02 # [ 54.308620] RSP: 0018:ffff9a878129fe60 EFLAGS: 00010286 # [ 54.314736] RAX: ffffffff88778590 RBX: 0000000000000001 RCX: 0000000000000000 # [ 54.322980] RDX: 0000000000000000 RSI: ffff91073bc9bf70 RDI: ffffffff8977e0b0 # [ 54.331221] RBP: ffffffff89c5c448 R08: 0000000000000001 R09: 0000000000000001 # [ 54.339470] R10: 00000000ffffe000 R1<6>[ 55.517461] lkdtm: Performing direct entry EXEC_VMALLOC <6>[ 55.525775] lkdtm: attempting ok execution at ffffffff88778960 <6>[ 55.532612] lkdtm: attempting bad execution at ffff9a8780631000 1: 3fffffffffffffff R12: 0000000000000004 # [ 54.347713] R13:<2>[ 55.539540] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) <1>[ 55.554352] BUG: unable to handle page fault for address: ffff9a8780631000 ffff9a878129ff10 R14: ffff9a878129ff10 R15: ffff9106c5f0c000 #<1>[ 55.562308] #PF: supervisor instruction fetch in kernel mode <1>[ 55.575105] #PF: error_code(0x0011) - permissions violation <6>[ 55.581611] PGD 100000067 P4D 100000067 PUD 100231067 PMD 105c16067 PTE 800000010693b063 <4>[ 55.590945] Oops: 0011 [#8] SMP PTI < 4[ 54.355957] FS: 00007f8943419580(0000) GS:ffff91073bd00000>[ 55.595129] CPU: 0 PID: 1647 Comm: cat Tainted: G D W 5.10.178-cip31 #1 <4>[ 55.610162] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 55.617057] RIP: 0010:0xffff9a8780631000 <4>[ 55.621726] Code: Unable to access opcode bytes at RIP 0xffff9a8780630fd6. <4>[ 55.629686] RSP: 0018:ffff9a87820f7e38 EFLAGS: 00010246 <4>[ 55.635798] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 55.644049] RDX: 0000000000000000 RSI: ffff91073bc1bf70 RDI: ffff91073bc1bf70 <4>[ 55.652297] RBP: ffff9a8780631000 R08: 0000000000000000 R09: 0000000000000000 <4>[ 55.660546] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d <4>[ 55.668801] R13: ffff9a87820f7f10 R14: ffff9a87820f7f10 R15: ffff9106c693b000 <4>[ 55.677056] FS: 00007ff06a99e580(0000) GS:ffff91073bc00000(0000) knlGS:0000000000000000 <4>[ 55.686374] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 55.693074] CR2: ffff9a8780630fd6 CR3: 0000000106820000 CR4: 00000000003506f0 <4>[ 55.701323] Call Trace: <4>[ 55.704352] ? execute_location+0x48/0x56 <4>[ 55.709116] ? lkdtm_EXEC_VMALLOC+0x20/0x30 <4>[ 55.714074] ? direct_entry.cold+0x2c/0x38 <4>[ 55.718935] ? full_proxy_write+0x56/0x80 <4>[ 55.723701] ? vfs_write+0xea/0x3b0 <4>[ 55.727881] ? ksys_write+0x68/0xf0 <4>[ 55.732067] ? do_syscall_64+0x33/0x40 <4>[ 55.736541] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 0000) knlGS:0000000000000000 # [ 54.365267] CS: 0010 DS: 000<4>[ 55.742663] Modules linked in: fuse ip_tables cros_usbpd_logger cros_ec_debugfs uvcvideo cros_ec_lightbar cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger cros_ec_chardev videobuf2_memops videobuf2_v4l2 snd_soc_da7219 snd_soc_max98357a gsmi cros_ec_dev x86_pkg_temp_thermal videobuf2_common snd_soc_core snd_compress cros_usbpd_notify i2c_hid snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table <4>[ 55.788856] CR2: ffff9a8780631000 <4>[ 55.792846] ---[ end trace 388eb702d3689705 ]--- <4>[ 55.798285] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 55.802951] Code: 89 ff e8 fe f0 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 20 46 e9 02 <4>[ 55.824171] RSP: 0018:ffff9a878129fe60 EFLAGS: 00010286 <4>[ 55.830286] RAX: ffffffff88778590 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 55.838529] RDX: 0000000000000000 RSI: ffff91073bc9bf70 RDI: ffffffff8977e0b0 <4>[ 55.846775] RBP: ffffffff89c5c448 R08: 0000000000000001 R09: 0000000000000001 <4>[ 55.855023] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 55.863272] R13: ffff9a878129ff10 R14: ffff9a878129ff10 R15: ffff9106c5f0c000 <4>[ 55.871521] FS: 00007ff06a99e580(0000) GS:ffff91073bc00000(0000) knlGS:0000000000000000 <4>[ 55.880831] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 55.887524] CR2: ffff9a8780630fd6 CR3: 0000000106820000 CR4: 00000000003506f0 0 ES: 0000 CR0: 0000000080050033 # [ 54.371962] CR2: ffff9a8781fe7e18 CR3: 0000000103a34000 CR4: 00000000003506e0 # EXEC_STACK: saw 'call trace:': ok ok 31 selftests: lkdtm: EXEC_STACK.sh # selftests: lkdtm: EXEC_KMALLOC.sh # Killed # [ 54.650449] lkdtm: Performing direct entry EXEC_KMALLOC # [ 54.659165] lkdtm: attempting ok execution at ffffffff88778960 # [ 54.665996] lkdtm: attempting bad execution at ffff9106c5ed5140 # [ 54.672921] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 54.681559] BUG: unable to handle page fault for address: ffff9106c5ed5140 # [ 54.689515] #PF: supervisor instruction fetch in kernel mode # [ 54.696112] #PF: error_code(0x0011) - permissions violation # [ 54.702615] PGD 34201067 P4D 34201067 PUD 100883063 PMD 105e0e063 PTE 8000000105ed5063 # [ 54.711749] Oops: 0011 [#7] SMP PTI # [ 54.715919] CPU: 0 PID: 1611 Comm: cat Tainted: G D W 5.10.178-cip31 #1 # [ 54.724833] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 54.731725] RIP: 0010:0xffff9106c5ed5140 # [ 54.736388] Code: 00 00 02 00 00 00 00 00 00 00 00 54 ed c5 06 91 ff ff 04 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 eb ef cf 87 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 # [ 54.757591] RSP: 0018:ffff9a878206fe38 EFLAGS: 00010246 # [ 54.763710] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 54.771953] RDX: 0000000000000000 RSI: ffff91073bc1bf70 RDI: ffff91073bc1bf70 # [ 54.780197] RBP: ffff9106c5ed5140 R08: 0000000000000000 R09: 0000000000000000 # [ 54.788439] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d # [ 54.796686] R13: ffff9a878206ff10 R14: ffff9a878206ff10 R15: ffff9106c5dd4000 # [ 54.804935] FS: 00007f72a6125580(0000) GS:ffff91073bc00000(0000) knlGS:0000000000000000 # [ 54.814239] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 54.820939] CR2: ffff9106c5ed5140 CR3: 0000000106a8a000 CR4: 00000000003506f0 # [ 54.829185] Call Trace: # [ 54.832215] ? execute_location+0x48/0x56 # [ 54.836980] ? lkdtm_EXEC_KMALLOC+0x2c/0x40 # [ 54.841932] ? direct_entry.cold+0x2c/0x38 # [ 54.846792] ? full_proxy_write+0x56/0x80 # [ 54.851556] ? vfs_write+0xea/0x3b0 # [ 54.855737] ? ksys_write+0x68/0xf0 # [ 54.859921] ? do_syscall_64+0x33/0x40 # [ 54.864391] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 54.870515] Modules linked in: fuse ip_tables cros_usbpd_logger cros_ec_debugfs uvcvideo cros_ec_lightbar cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger cros_ec_chardev videobuf2_memops videobuf2_v4l2 snd_soc_da7219 snd_soc_max98357a gsmi cros_ec_dev x86_pkg_temp_thermal videobuf2_common snd_soc_core snd_compress cros_usbpd_notify i2c_hid snd_pcm_dmaengin<6>[ 56.163230] lkdtm: Performing direct entry EXEC_RODATA e regmap_i2c chromeos_pstore coreboot_table # [ 54.916661] CR<6>[ 56.174837] lkdtm: attempting ok execution at ffffffff88778960 2: ffff9106c5ed5140 # [ 54.920647] ---[ end trace 388eb702d36<6>[ 56.187887] lkdtm: attempting bad execution at ffffffff8977e540 89704 ]--- # [ 54.926086] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ <2>[ 56.200991] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) <1>[ 56.215761] BUG: unable to handle page fault for address: ffffffff8977e540 <1>[ 56.223715] #PF: supervisor instruction fetch in kernel mode <1>[ 56.230314] #PF: error_code(0x0011) - permissions violation <6>[ 56.236815] PGD 32829067 P4D 32829067 PUD 3282a063 PMD 80000000320001e1 <4>[ 56.244592] Oops: 0011 [#9] SMP PTI <4>[ 56.248771] CPU: 3 PID: 1684 Comm: cat Tainted: G D W 5.10.178-cip31 #1 <4>[ 56.257686] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 56.264579] RIP: 0010:lkdtm_rodata_do_nothing+0x0/0x10 <4>[ 56.270600] Code: ff ff 68 ab e0 88 ff ff ff ff 6a 81 bf 89 ff ff ff ff ae 92 e0 88 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 <4>[ 56.291810] RSP: 0018:ffff9a878219fe48 EFLAGS: 00010246 <4>[ 56.297922] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 <4>[ 56.306160] RDX: 0000000000000000 RSI: ffff91073bd9bf70 RDI: ffff91073bd9bf70 <4>[ 56.314398] RBP: ffffffff8977e540 R08: 0000000000000000 R09: 0000000000000000 <4>[ 56.322642] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c <4>[ 56.330883] R13: ffff9a878219ff10 R14: ffff9a878219ff10 R15: ffff9106c40a9000 <4>[ 56.339129] FS: 00007face94c3580(0000) GS:ffff91073bd80000(0000) knlGS:0000000000000000 <4>[ 56.348433] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 56.355128] CR2: ffffffff8977e540 CR3: 0000000103d66000 CR4: 00000000003506e0 <4>[ 56.363371] Call Trace: <4>[ 56.366397] ? execute_location+0x48/0x56 <4>[ 56.371163] ? direct_entry.cold+0x2c/0x38 <4>[ 56.376025] ? full_proxy_write+0x56/0x80 <4>[ 56.380786] ? vfs_write+0xea/0x3b0 <4>[ 56.384964] ? ksys_write+0x68/0xf0 <4>[ 56.389149] ? do_syscall_64+0x33/0x40 <4>[ 56.393619] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 56.399742] Modules linked in: fuse ip_tables cros_usbpd_logger cros_ec_debugfs uvcvideo cros_ec_lightbar cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger cros_ec_chardev videobuf2_memops videobuf2_v4l2 snd_soc_da7219 snd_soc_max98357a gsmi cros_ec_dev x86_pkg_temp_thermal videobuf2_common snd_soc_core snd_compress cros_usbpd_notify i2c_hid snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table <4>[ 56.439740] CR2: ffffffff8977e540 <4>[ 56.443727] ---[ end trace 388eb702d3689706 ]--- <4>[ 56.449171] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 56.453834] Code: 89 ff e8 fe f0 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 20 46 e9 02 <4>[ 56.475058] RSP: 0018:ffff9a878129fe60 EFLAGS: 00010286 <4>[ 56.481176] RAX: ffffffff88778590 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 56.489420] RDX: 0000000000000000 RSI: ffff91073bc9bf70 RDI: ffffffff8977e0b0 <4>[ 56.497667] RBP: ffffffff89c5c448 R08: 0000000000000001 R09: 0000000000000001 <4>[ 56.505910] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 56.514158] R13: ffff9a878129ff10 R14: ffff9a878129ff10 R15: ffff9106c5f0c000 <4>[ 56.522402] FS: 00007face94c3580(0000) GS:ffff91073bd80000(0000) knlGS:0000000000000000 <4>[ 56.531715] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 56.538414] CR2: ffffffff8977e540 CR3: 0000000103d66000 CR4: 00000000003506e0 <3>[ 56.546661] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 56.556843] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1684, name: cat <4>[ 56.565568] INFO: lockdep is turned off. <4>[ 56.570230] irq event stamp: 0 <4>[ 56.573926] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 56.581207] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 <4>[ 56.590617] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 <4>[ 56.600022] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 56.607299] CPU: 3 PID: 1684 Comm: cat Tainted: G D W 5.10.178-cip31 #1 <4>[ 56.616209] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 56.623097] Call Trace: <4>[ 56.626117] dump_stack+0x77/0x9b <4>[ 56.630107] ___might_sleep.cold+0xa6/0xb6 <4>[ 56.634970] exit_signals+0x1c/0x300 <4>[ 56.639247] do_exit+0xc2/0xab0 <4>[ 56.643033] ? ksys_write+0x68/0xf0 <4>[ 56.647213] make_task_dead+0x2f/0x30 <4>[ 56.651580] rewind_stack_and_make_dead+0x17/0x20 <4>[ 56.657117] RIP: 0033:0x7face93d9833 <4>[ 56.661393] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 56.682619] RSP: 002b:00007ffe501e22c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 56.691349] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007face93d9833 <4>[ 56.699594] RDX: 000000000000000c RSI: 00007face92cc000 RDI: 0000000000000001 <4>[ 56.707839] RBP: 00007face92cc000 R08: 00007face92cb010 R09: 0000000000000000 <4>[ 56.716085] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 56.724330] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 54.930747] Code: 89 ff e8 fe f0 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 20 46 e9 02 # [ 54.951966] RSP: 0018:ffff9a878129fe60 EFLAGS: 00010286 # [ 54.958072] RAX: ffffffff88778590 RBX: 0000000000000001 RCX: 0000000000000000 # [ 54.966318] RDX: 0000000000000000 RSI: ffff91073bc9bf70 RDI: ffffffff8977e0b0 # [ 54.974566] RBP: ffffffff89c5c448 R08: 0000000000000001 R09: 0000000000000001 # [ 54.982813] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 54.991061] R13: ffff9a878129ff10 R14: ffff9a878129ff10 R15: ffff9106c5f0c000 # [ 54.999308] FS: 00007f72a6125580(0000) GS:ffff91073bc00000(0000) knlGS:0000000000000000 # [ 55.008619] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 55.015312] CR2: ffff9106c5ed5140 CR3: 0000000106a8a000 CR4: 00000000003506f0 # [ 55.023556] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 55.033733] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1611, name: cat # [ 55.042458] INFO: lockdep is turned off. # [ 55.047117] irq event stamp: 0 # [ 55.050809] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 55.058085] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 55.067486] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 55.076890] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 55.084163] CPU: 0 PID: 1611 Comm: cat Tainted: G D W 5.10.178-cip31 #1 # [ 55.093079] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 55.099963] Call Trace: # [ 55.102984] dump_stack+0x77/0x9b # [ 55.106971] ___might_sleep.cold+0xa6/0xb6 # [ 55.111833] exit_signals+0x1c/0x300 # [ 55.116110] do_exit+0xc2/0xab0 # [ 55.119906] ? ksys_write+0x68/0xf0 # [ 55.124089] make_task_dead+0x2f/0x30 # [ 55.128461] rewind_stack_and_make_dead+0x17/0x20 # [ 55.133983] RIP: 0033:0x7f72a603b833 # [ 55.138257] Code: 8b 15 61 26 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 # [ 55.159474] RSP: 002b:00007ffea82de1a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 55.168208] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007f72a603b833 # [ 55.176450] RDX: 000000000000000d RSI: 00007f72a5f2e000 RDI: 0000000000000001 # [ 55.184689] RBP: 00007f72a5f2e000 R08: 00007f72a5f2d010 R09: 0000000000000000 # [ 55.192931] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 55.201172] 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 # [ 55.517461] lkdtm: Performing direct entry EXEC_VMALLOC # [ 55.525775] lkdtm: attempting ok execution at ffffffff88778960 # [ 55.532612] lkdtm: attempting bad execution at ffff9a8780631000 # [ 55.539540] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 55.554352] BUG: unable to handle page fault for address: ffff9a8780631000 <6>[ 57.054637] lkdtm: Performing direct entry EXEC_USERSPACE # [ 55.562308] #PF: supervisor instruction fetch in kernel mo<6>[ 57.061471] lkdtm: attempting ok execution at ffffffff88778960 de # [ 55.575105] #PF: error_code(0x0011) - permissions viola<6>[ 57.074536] lkdtm: attempting bad execution at 00007f29058f4000 tion # [ 55.581611] PGD 100000067 P4D 100000067 PUD 100231067<2>[ 57.088079] unable to execute userspace code (SMEP?) (uid: 0) <1>[ 57.100470] BUG: unable to handle page fault for address: 00007f29058f4000 <1>[ 57.108434] #PF: supervisor instruction fetch in kernel mode <1>[ 57.115035] #PF: error_code(0x0011) - permissions violation <6>[ 57.121542] PGD 80000001035ba067 P4D 80000001035ba067 PUD 1038ed067 PMD 10330f067 PTE 10b8d5067 <4>[ 57.131550] Oops: 0011 [#10] SMP PTI <4>[ 57.135829] CPU: 3 PID: 1720 Comm: cat Tainted: G D W 5.10.178-cip31 #1 <4>[ 57.144759] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 57.151655] RIP: 0010:0x7f29058f4000 <4>[ 57.155921] Code: Unable to access opcode bytes at RIP 0x7f29058f3fd6. <4>[ 57.163494] RSP: 0018:ffff9a8782247e50 EFLAGS: 00010246 <4>[ 57.169613] RAX: 0000000000000033 RBX: 0000000000000024 RCX: 0000000000000000 <4>[ 57.177866] RDX: 0000000000000000 RSI: ffff91073bd9bf70 RDI: ffff91073bd9bf70 <4>[ 57.186115] RBP: 00007f29058f4000 R08: 0000000000000000 R09: 0000000000000000 <4>[ 57.194363] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000f <4>[ 57.202610] R13: ffff9a8782247f10 R14: ffff9a8782247f10 R15: ffff9106c68d8000 <4>[ 57.210857] FS: 00007f29058c5580(0000) GS:ffff91073bd80000(0000) knlGS:0000000000000000 <4>[ 57.220171] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 57.226867] CR2: 00007f29058f4000 CR3: 00000001040d8000 CR4: 00000000003506e0 <4>[ 57.235114] Call Trace: <4>[ 57.238143] ? lkdtm_EXEC_USERSPACE.cold+0x69/0xae <4>[ 57.243777] ? direct_entry.cold+0x2c/0x38 <4>[ 57.248638] ? full_proxy_write+0x56/0x80 <4>[ 57.253400] ? vfs_write+0xea/0x3b0 <4>[ 57.257578] ? ksys_write+0x68/0xf0 <4>[ 57.261763] ? do_syscall_64+0x33/0x40 <4>[ 57.266232] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 57.272345] Modules linked in: fuse ip_tables cros_usbpd_logger cros_ec_debugfs uvcvideo cros_ec_lightbar cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger cros_ec_chardev videobuf2_memops videobuf2_v4l2 snd_soc_da7219 snd_soc_max98357a gsmi cros_ec_dev x86_pkg_temp_thermal videobuf2_common snd_soc_core snd_compress cros_usbpd_notify i2c_hid snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table <4>[ 57.312320] CR2: 00007f29058f4000 <4>[ 57.316303] ---[ end trace 388eb702d3689707 ]--- <4>[ 57.321740] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 57.326400] Code: 89 ff e8 fe f0 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 20 46 e9 02 <4>[ 57.347602] RSP: 0018:ffff9a878129fe60 EFLAGS: 00010286 <4>[ 57.353710] RAX: ffffffff88778590 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 57.361950] RDX: 0000000000000000 RSI: ffff91073bc9bf70 RDI: ffffffff8977e0b0 <4>[ 57.370188] RBP: ffffffff89c5c448 R08: 0000000000000001 R09: 0000000000000001 <4>[ 57.378425] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 57.386664] R13: ffff9a878129ff10 R14: ffff9a878129ff10 R15: ffff9106c5f0c000 <4>[ 57.394906] FS: 00007f29058c5580(0000) GS:ffff91073bd80000(0000) knlGS:0000000000000000 <4>[ 57.404214] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 57.410907] CR2: 00007f29058f4000 CR3: 00000001040d8000 CR4: 00000000003506e0 PMD 105c16067 PTE 800000010693b063 # [ 55.590945] Oops: 0011 [#8] SMP PTI # [ 55.595129] CPU: 0 PID: 1647 Comm: cat Tainted: G D W 5.10.178-cip31 #1 # [ 55.610162] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 55.617057] RIP: 0010:0xffff9a8780631000 # [ 55.621726] Code: Unable to access opcode bytes at RIP 0xffff9a8780630fd6. # [ 55.629686] RSP: 0018:ffff9a87820f7e38 EFLAGS: 00010246 # [ 55.635798] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 55.644049] RDX: 0000000000000000 RSI: ffff91073bc1bf70 RDI: ffff91073bc1bf70 # [ 55.652297] RBP: ffff9a8780631000 R08: 0000000000000000 R09: 0000000000000000 # [ 55.660546] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d # [ 55.668801] R13: ffff9a87820f7f10 R14: ffff9a87820f7f10 R15: ffff9106c693b000 # [ 55.677056] FS: 00007ff06a99e580(0000) GS:ffff91073bc00000(0000) knlGS:0000000000000000 # [ 55.686374] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 55.693074] CR2: ffff9a8780630fd6 CR3: 0000000106820000 CR4: 00000000003506f0 # [ 55.701323] Call Trace: # [ 55.704352] ? execute_location+0x48/0x56 # [ 55.709116] ? lkdtm_EXEC_VMALLOC+0x20/0x30 # [ 55.714074] ? direct_entry.cold+0x2c/0x38 # [ 55.718935] ? full_proxy_write+0x56/0x80 # [ 55.723701] ? vfs_write+0xea/0x3b0 # [ 55.727881] ? ksys_write+0x68/0xf0 # [ 55.732067] ? do_syscall_64+0x33/0x40 # [ 55.736541] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 55.742663] Modules linked in: fuse ip_tables cros_usbpd_logger cros_ec_debugfs uvcvideo cros_ec_lightbar cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger cros_ec_chardev videobuf2_memops videobuf2_v4l2 snd_soc_da7219 snd_soc_max98357a gsmi cros_ec_dev x86_pkg_temp_thermal videobuf2_common snd_soc_core snd_compress cros_usbpd_notify i2c_hid snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 55.788856] CR2: ffff9a8780631000 # [ 55.792846] ---[ end trace 388eb702d3689705 ]--- # [ 55.798285] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 55.802951] Code: 89 ff e8 fe f0 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 20 46 e9 02 # [ 55.824171] RSP: 0018:ffff9a878129fe60 EFLAGS: 00010286 # [ 55.830286] RAX: ffffffff88778590 RBX: 0000000000000001 RCX: 0000000000000000 # [ 55.838529] RDX: 0000000000000000 RSI: ffff91073bc9bf70 RDI: ffffffff8977e0b0 # [ 55.846775] RBP: ffffffff89c5c448 R08: 0000000000000001 R09: 0000000000000001 # [ 55.855023] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 55.863272] R13: ffff9a878129ff10 R14: ffff9a878129ff10 R15: ffff9106c5f0c000 # [ 55.871521] FS: 00007ff06a99e580(0000) GS:ffff91073bc00000(0000) knlGS:0000000000000000 # [ 55.880831] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 55.887524] CR2: ffff9a8780630fd6 CR3: 0000000106820000 CR4: 00000000003506f0 # EXEC_VMALLOC: saw 'call trace:': ok ok 33 selftests: lkdtm: EXEC_VMALLOC.sh # selftests: lkdtm: EXEC_RODATA.sh # Killed # [ 56.163230] lkdtm: Performing direct entry EXEC_RODATA # [ 56.174837] lkdtm: attempting ok execution at ffffffff88778960 # [ 56.187887] lkdtm: attempting bad execution at ffffffff8977e540 # [ 56.200991] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 56.215761] BUG: unable <6>[ 57.748122] lkdtm: Performing direct entry EXEC_NULL to handle page fault for address: ffffffff8977e540 # [ 56.223<6>[ 57.759635] lkdtm: attempting ok execution at ffffffff88778960 715] #PF: supervisor instruction fetch in kernel mode # [ 56.<6>[ 57.772661] lkdtm: attempting bad execution at 0000000000000000 230314] #PF: error_code(0x0011) - permissions violation # [ 5<1>[ 57.785772] BUG: kernel NULL pointer dereference, address: 0000000000000000 <1>[ 57.799970] #PF: supervisor instruction fetch in kernel mode 6.236815] PGD 32829067 P4D 32829067 PUD 3282a063 PMD 80000000320<1>[ 57.806559] #PF: error_code(0x0010) - not-present page 001e1 # [ 56.244592] Oops: 0011 [#9] SMP PTI # [ 56.24877<6>[ 57.818761] PGD 0 P4D 0 <4>[ 57.828077] Oops: 0010 [#11] SMP PTI <4>[ 57.832357] CPU: 1 PID: 1756 Comm: cat Tainted: G D W 5.10.178-cip31 #1 <4>[ 57.841281] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 57.848173] RIP: 0010:0x0 <4>[ 57.851391] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6. <4>[ 57.859347] RSP: 0018:ffff9a878227fe48 EFLAGS: 00010246 <4>[ 57.865465] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 <4>[ 57.873709] RDX: 0000000000000000 RSI: ffff91073bc9bf70 RDI: ffff91073bc9bf70 <4>[ 57.881953] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 <4>[ 57.890199] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a <4>[ 57.898442] R13: ffff9a878227ff10 R14: ffff9a878227ff10 R15: ffff9106c5d15000 <4>[ 57.906687] FS: 00007fa25ff12580(0000) GS:ffff91073bc80000(0000) knlGS:0000000000000000 <4>[ 57.915995] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 57.922693] CR2: ffffffffffffffd6 CR3: 000000010346c000 CR4: 00000000003506e0 <4>[ 57.930937] Call Trace: <4>[ 57.933966] execute_location+0x48/0x56 <4>[ 57.938542] direct_entry.cold+0x2c/0x38 <4>[ 57.943211] full_proxy_write+0x56/0x80 <4>[ 57.947785] vfs_write+0xea/0x3b0 <4>[ 57.951774] ksys_write+0x68/0xf0 <4>[ 57.955766] do_syscall_64+0x33/0x40 <4>[ 57.960044] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 57.965963] RIP: 0033:0x7fa25fe28833 <4>[ 57.970242] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 57.991465] RSP: 002b:00007ffeef8754e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 58.000196] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fa25fe28833 <4>[ 58.008444] RDX: 000000000000000a RSI: 00007fa25fd1b000 RDI: 0000000000000001 <4>[ 58.016691] RBP: 00007fa25fd1b000 R08: 00007fa25fd1a010 R09: 0000000000000000 <4>[ 58.024935] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 58.033177] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 1] CPU: 3 PID: 1684 Comm: cat Tainted: G D W 5.10.1<4>[ 58.041432] Modules linked in: fuse ip_tables cros_usbpd_logger cros_ec_debugfs uvcvideo cros_ec_lightbar cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger cros_ec_chardev videobuf2_memops videobuf2_v4l2 snd_soc_da7219 snd_soc_max98357a gsmi cros_ec_dev x86_pkg_temp_thermal videobuf2_common snd_soc_core snd_compress cros_usbpd_notify i2c_hid snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table <4>[ 58.087605] CR2: 0000000000000000 <4>[ 58.091585] ---[ end trace 388eb702d3689708 ]--- <4>[ 58.097024] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 58.101686] Code: 89 ff e8 fe f0 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 20 46 e9 02 <4>[ 58.122910] RSP: 0018:ffff9a878129fe60 EFLAGS: 00010286 <4>[ 58.129025] RAX: ffffffff88778590 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 58.137271] RDX: 0000000000000000 RSI: ffff91073bc9bf70 RDI: ffffffff8977e0b0 <4>[ 58.145521] RBP: ffffffff89c5c448 R08: 0000000000000001 R09: 0000000000000001 <4>[ 58.153773] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 58.162020] R13: ffff9a878129ff10 R14: ffff9a878129ff10 R15: ffff9106c5f0c000 <4>[ 58.170272] FS: 00007fa25ff12580(0000) GS:ffff91073bc80000(0000) knlGS:0000000000000000 <4>[ 58.179588] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 58.186285] CR2: ffffffffffffffd6 CR3: 000000010346c000 CR4: 00000000003506e0 <3>[ 58.194536] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 58.204724] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1756, name: cat <4>[ 58.213458] INFO: lockdep is turned off. <4>[ 58.218122] irq event stamp: 0 <4>[ 58.221817] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 58.229097] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 <4>[ 58.238505] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 <4>[ 58.247916] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 58.255196] CPU: 1 PID: 1756 Comm: cat Tainted: G D W 5.10.178-cip31 #1 <4>[ 58.264109] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 58.270996] Call Trace: <4>[ 58.274018] dump_stack+0x77/0x9b <4>[ 58.278005] ___might_sleep.cold+0xa6/0xb6 <4>[ 58.282866] exit_signals+0x1c/0x300 <4>[ 58.287145] do_exit+0xc2/0xab0 <4>[ 58.290939] ? ksys_write+0x68/0xf0 <4>[ 58.295120] make_task_dead+0x2f/0x30 <4>[ 58.299493] rewind_stack_and_make_dead+0x17/0x20 <4>[ 58.305027] RIP: 0033:0x7fa25fe28833 <4>[ 58.309300] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 58.330522] RSP: 002b:00007ffeef8754e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 58.339258] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fa25fe28833 <4>[ 58.347501] RDX: 000000000000000a RSI: 00007fa25fd1b000 RDI: 0000000000000001 <4>[ 58.355748] RBP: 00007fa25fd1b000 R08: 00007fa25fd1a010 R09: 0000000000000000 <4>[ 58.363995] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 58.372240] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 78-cip31 #1 # [ 56.257686] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 56.264579] RIP: 0010:lkdtm_rodata_do_nothing+0x0/0x10 # [ 56.270600] Code: ff ff 68 ab e0 88 ff ff ff ff 6a 81 bf 89 ff ff ff ff ae 92 e0 88 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 # [ 56.291810] RSP: 0018:ffff9a878219fe48 EFLAGS: 00010246 # [ 56.297922] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 # [ 56.306160] RDX: 0000000000000000 RSI: ffff91073bd9bf70 RDI: ffff91073bd9bf70 # [ 56.314398] RBP: ffffffff8977e540 R08: 0000000000000000 R09: 0000000000000000 # [ 56.322642] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c # [ 56.330883] R13: ffff9a878219ff10 R14: ffff9a878219ff10 R15: ffff9106c40a9000 # [ 56.339129] FS: 00007face94c3580(0000) GS:ffff91073bd80000(0000) knlGS:0000000000000000 # [ 56.348433] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 56.355128] CR2: ffffffff8977e540 CR3: 0000000103d66000 CR4: 00000000003506e0 # [ 56.363371] Call Trace: # [ 56.366397] ? execute_location+0x48/0x56 # [ 56.371163] ? direct_entry.cold+0x2c/0x38 # [ 56.376025] ? full_proxy_write+0x56/0x80 # [ 56.380786] ? vfs_write+0xea/0x3b0 # [ 56.384964] ? ksys_write+0x68/0xf0 # [ 56.389149] ? do_syscall_64+0x33/0x40 # [ 56.393619] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 56.399742] Modules linked in: fuse ip_tables cros_usbpd_logger cros_ec_debugfs uvcvideo cros_ec_lightbar cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger cros_ec_chardev videobuf2_memops videobuf2_v4l2 snd_soc_da7219 snd_soc_max98357a gsmi cros_ec_dev x86_pkg_temp_thermal videobuf2_common snd_soc_core snd_compress cros_usbpd_notify i2c_hid snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 56.439740] CR2: ffffffff8977e540 # [ 56.443727] ---[ end trace 388eb702d3689706 ]--- # [ 56.449171] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 56.453834] Code: 89 ff e8 fe f0 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 20 46 e9 02 # [ 56.475058] RSP: 0018:ffff9a878129fe60 EFLAGS: 00010286 # [ 56.481176] RAX: ffffffff88778590 RBX: 0000000000000001 RCX: 0000000000000000 # [ 56.489420] RDX: 0000000000000000 RSI: ffff91073bc9bf70 RDI: ffffffff8977e0b0 # [ 56.497667] RBP: ffffffff89c5c448 R08: 0000000000000001 R09: 0000000000000001 # [ 56.505910] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 56.514158] R13: ffff9a878129ff10 R14: ffff9a878129ff10 R15: ffff9106c5f0c000 # [ 56.522402] FS: 00007face94c3580(0000) GS:ffff91073bd80000(0000) knlGS:0000000000000000 # [ 56.531715] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 56.538414] CR2: ffffffff8977e540 CR3: 0000000103d66000 CR4: 00000000003506e0 # [ 56.546661] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 56.556843] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1684, name: cat # [ 56.565568] INFO: lockdep is turned off. # [ 56.570230] irq event stamp: 0 # [ 56.573926] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 56.581207] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 56.590617] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 56.600022] sof<6>[ 58.720207] lkdtm: Performing direct entry ACCESS_USERSPACE <6>[ 58.728028] lkdtm: attempting bad read at 00007f337debf000 <1>[ 58.734474] BUG: unable to handle page fault for address: 00007f337debf000 tirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 56.6<1>[ 58.742426] #PF: supervisor read access in kernel mode <1>[ 58.754627] #PF: error_code(0x0001) - permissions violation <6>[ 58.761131] PGD 80000001041c2067 P4D 80000001041c2067 PUD 103323067 PMD 105a3b067 PTE 1085fe067 <4>[ 58.771136] Oops: 0001 [#12] SMP PTI <4>[ 58.775414] CPU: 0 PID: 1791 Comm: cat Tainted: G D W 5.10.178-cip31 #1 <4>[ 58.784328] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 58.791230] RIP: 0010:lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3 <4>[ 58.797730] Code: 00 00 00 75 64 48 83 c4 10 5d c3 cc cc cc cc 48 89 ee 48 c7 c7 88 8e bf 89 e8 47 d8 fb ff 48 c7 c7 b0 8e bf 89 b8 de c0 de c0 <48> 03 45 00 48 89 04 24 e8 2e d8 fb ff 48 89 ee 48 c7 c7 d8 8e bf <4>[ 58.818952] RSP: 0018:ffff9a8782347e48 EFLAGS: 00010246 <4>[ 58.825066] RAX: 00000000c0dec0de RBX: 0000000000000026 RCX: 0000000000000000 <4>[ 58.833307] RDX: 0000000000000000 RSI: ffff91073bc1bf70 RDI: ffffffff89bf8eb0 <4>[ 58.841552] RBP: 00007f337debf000 R08: 0000000000000000 R09: 0000000000000000 <4>[ 58.849797] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000011 <4>[ 58.858042] R13: ffff9a8782347f10 R14: ffff9a8782347f10 R15: ffff9106c3e53000 <4>[ 58.866290] FS: 00007f337de90580(0000) GS:ffff91073bc00000(0000) knlGS:0000000000000000 <4>[ 58.875606] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 58.882304] CR2: 00007f337debf000 CR3: 0000000105cb2000 CR4: 00000000003506f0 <4>[ 58.890551] Call Trace: <4>[ 58.893579] direct_entry.cold+0x2c/0x38 <4>[ 58.898249] full_proxy_write+0x56/0x80 <4>[ 58.902819] vfs_write+0xea/0x3b0 <4>[ 58.906811] ksys_write+0x68/0xf0 <4>[ 58.910805] do_syscall_64+0x33/0x40 <4>[ 58.915086] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 58.921013] RIP: 0033:0x7f337dda6833 <4>[ 58.925294] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 58.946523] RSP: 002b:00007ffca7d21758 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 58.955243] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007f337dda6833 <4>[ 58.963484] RDX: 0000000000000011 RSI: 00007f337dc99000 RDI: 0000000000000001 <4>[ 58.971730] RBP: 00007f337dc99000 R08: 00007f337dc98010 R09: 0000000000000000 <4>[ 58.979975] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 58.988216] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 07299] CPU: 3 PID: 1684 Comm: cat Tainted: G D W 5.<4>[ 58.996467] Modules linked in: fuse ip_tables cros_usbpd_logger cros_ec_debugfs uvcvideo cros_ec_lightbar cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger cros_ec_chardev videobuf2_memops videobuf2_v4l2 snd_soc_da7219 snd_soc_max98357a gsmi cros_ec_dev x86_pkg_temp_thermal videobuf2_common snd_soc_core snd_compress cros_usbpd_notify i2c_hid snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table <4>[ 59.042595] CR2: 00007f337debf000 <4>[ 59.046581] ---[ end trace 388eb702d3689709 ]--- <4>[ 59.052012] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 59.056673] Code: 89 ff e8 fe f0 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 20 46 e9 02 <4>[ 59.077899] RSP: 0018:ffff9a878129fe60 EFLAGS: 00010286 <4>[ 59.084016] RAX: ffffffff88778590 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 59.092265] RDX: 0000000000000000 RSI: ffff91073bc9bf70 RDI: ffffffff8977e0b0 <4>[ 59.100513] RBP: ffffffff89c5c448 R08: 0000000000000001 R09: 0000000000000001 <4>[ 59.108760] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 59.117007] R13: ffff9a878129ff10 R14: ffff9a878129ff10 R15: ffff9106c5f0c000 <4>[ 59.125255] FS: 00007f337de90580(0000) GS:ffff91073bc00000(0000) knlGS:0000000000000000 <4>[ 59.134565] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 59.141260] CR2: 00007f337debf000 CR3: 0000000105cb2000 CR4: 00000000003506f0 <3>[ 59.149510] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 59.159682] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1791, name: cat <4>[ 59.168409] INFO: lockdep is turned off. <4>[ 59.173070] irq event stamp: 0 <4>[ 59.176767] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 59.184048] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 <4>[ 59.193462] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 <4>[ 59.202869] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 59.210148] CPU: 0 PID: 1791 Comm: cat Tainted: G D W 5.10.178-cip31 #1 <4>[ 59.219071] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 59.225958] Call Trace: <4>[ 59.228982] dump_stack+0x77/0x9b <4>[ 59.232974] ___might_sleep.cold+0xa6/0xb6 <4>[ 59.237835] exit_signals+0x1c/0x300 <4>[ 59.242114] do_exit+0xc2/0xab0 <4>[ 59.245908] ? ksys_write+0x68/0xf0 <4>[ 59.250080] make_task_dead+0x2f/0x30 <4>[ 59.254456] rewind_stack_and_make_dead+0x17/0x20 <4>[ 59.259992] RIP: 0033:0x7f337dda6833 <4>[ 59.264269] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 59.285492] RSP: 002b:00007ffca7d21758 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 59.294223] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007f337dda6833 <4>[ 59.302469] RDX: 0000000000000011 RSI: 00007f337dc99000 RDI: 0000000000000001 <4>[ 59.310715] RBP: 00007f337dc99000 R08: 00007f337dc98010 R09: 0000000000000000 <4>[ 59.318959] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 59.327205] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 10.178-cip31 #1 # [ 56.616209] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 56.623097] Call Trace: # [ 56.626117] dump_stack+0x77/0x9b # [ 56.630107] ___might_sleep.cold+0xa6/0xb6 # [ 56.634970] exit_signals+0x1c/0x300 # [ 56.639247] do_exit+0xc2/0xab0 # [ 56.643033] ? ksys_write+0x68/0xf0 # [ 56.647213] make_task_dead+0x2f/0x30 # [ 56.651580] rewind_stack_and_make_dead+0x17/0x20 # [ 56.657117] RIP: 0033:0x7face93d9833 # [ 56.661393] Code: 8b 15 61 26 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 # [ 56.682619] RSP: 002b:00007ffe501e22c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 56.691349] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007face93d9833 # [ 56.699594] RDX: 000000000000000c RSI: 00007face92cc000 RDI: 0000000000000001 # [ 56.707839] RBP: 00007face92cc000 R08: 00007face92cb010 R09: 0000000000000000 # [ 56.716085] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 56.724330] 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 # [ 57.054637] lkdtm: Performing direct entry EXEC_USERSPACE # [ 57.061471] lkdtm: attempting ok execution at ffffffff88778960 # [ 57.074536] lkdtm: attempting bad execution at 00007f29058f4000 # [ 57.088079] unable to execute userspace code (SMEP?) (uid: 0) # [ 57.100470] BUG: unable to handle page fault for address: 00007f29058f4000 # [ 57.108434] #PF: supervisor instruction fetch in kernel mode # [ 57.115035] #PF: error_code(0x0011) - permissions violation # [ 57.121542] PGD 80000001035ba067 P4D 80000001035ba067 PUD 1038ed067 PMD 10330f067 PTE 10b8d5067 # [ 57.131550] Oops: 0011 [#10] SMP PTI # [ 57.135829] CPU: 3 PID: 1720 Comm: cat Tainted: G D W 5.10.178-cip31 #1 # [ 57.144759] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 57.151655] RIP: 0010:0x7f29058f4000 # [ 57.155921] Code: Unable to access opcode bytes at RIP 0x7f29058f3fd6. # [ 57.163494] RSP: 0018:ffff9a8782247e50 EFLAGS: 00010246 # [ 57.169613] RAX: 0000000000000033 RBX: 0000000000000024 RCX: 0000000000000000 # [ 57.177866] RDX: 0000000000000000 RSI: ffff91073bd9bf70 RDI: ffff91073bd9bf70 # [ 57.186115] RBP: 00007f29058f4000 R08: 0000000000000000 R09: 0000000000000000 # [ 57.194363] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000f # [ 57.202610] R13: ffff9a8782247f10 R14: ffff9a8782247f10 R15: ffff9106c68d8000 # [ 57.210857] FS: 00007f29058c5580(0000) GS:ffff91073bd80000(0000) knlGS:0000000000000000 # [ 57.220171] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 57.226867] CR2: 00007f29058f4000 CR3: 00000001040d8000 CR4: 00000000003506e0 # [ 57.235114] Call Trace: # [ 57.238143] ? lkdtm_EXEC_USERSPACE.cold+0x69/0xae # [ 57.243777] ? direct_entry.cold+0x2c/0x38 # [ 57.248638] ? full_proxy_write+0x56/0x80 # [ 57.253400] ? vfs_write+0xea/0x3b0 # [ 57.257578] ? ksys_write+0x68/0xf0 # [ 57.261763] ? do_syscall_64+0x33/0x40 # [ 57.266232] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 57.272345] Modules linked in: fuse ip_tables cros_usbpd_logger cros_ec_debugfs uvcvideo cros_ec_lightbar cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger cros_ec_chardev videobuf2_memops videobuf2_v4l2 snd_soc_da7219 snd_soc_max98357a gsmi cros_ec_dev x86_pkg_temp_thermal videobuf2_common snd_soc_core snd_compress cros_usbpd_notify i2c_hid snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 57.312320] CR2: 00007f29058f4000 # [ 57.316303] ---[ end trace 388eb702d3689707 ]--- # [ 57.321740] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 57.3<6>[ 59.713247] lkdtm: Performing direct entry ACCESS_NULL <6>[ 59.719825] lkdtm: attempting bad read at 0000000000000000 <1>[ 59.726281] BUG: kernel NULL pointer dereference, address: 0000000000000000 <1>[ 59.734339] #PF: supervisor read access in kernel mode <1>[ 59.740355] #PF: error_code(0x0000) - not-present page <6>[ 59.746374] PGD 0 P4D 0 <4>[ 59.749497] Oops: 0000 [#13] SMP PTI <4>[ 59.753775] CPU: 0 PID: 1826 Comm: cat Tainted: G D W 5.10.178-cip31 #1 <4>[ 59.762688] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 59.769588] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53 <4>[ 59.775124] Code: eb d7 fb ff be 00 10 00 00 48 89 ef e8 0d b1 0f ff e9 69 ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 88 8e bf 89 e8 c5 d7 fb ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 b0 8e bf 89 48 01 <4>[ 59.796342] RSP: 0018:ffff9a87823afe58 EFLAGS: 00010246 <4>[ 59.802459] RAX: 000000000000002e RBX: 0000000000000027 RCX: 0000000000000000 <4>[ 59.810706] RDX: 0000000000000000 RSI: ffff91073bc1bf70 RDI: ffff91073bc1bf70 <4>[ 59.818950] RBP: ffffffff89bf7f79 R08: 0000000000000000 R09: 0000000000000000 <4>[ 59.827194] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c <4>[ 59.835437] R13: ffff9a87823aff10 R14: ffff9a87823aff10 R15: ffff9106c29c1000 <4>[ 59.843687] FS: 00007fb60c65b580(0000) GS:ffff91073bc00000(0000) knlGS:0000000000000000 <4>[ 59.853001] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 59.859694] CR2: 0000000000000000 CR3: 0000000103868000 CR4: 00000000003506f0 <4>[ 59.867937] Call Trace: <4>[ 59.870966] direct_entry.cold+0x2c/0x38 <4>[ 59.875633] full_proxy_write+0x56/0x80 <4>[ 59.880204] vfs_write+0xea/0x3b0 <4>[ 59.884193] ksys_write+0x68/0xf0 <4>[ 59.888176] do_syscall_64+0x33/0x40 <4>[ 59.892455] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 59.898378] RIP: 0033:0x7fb60c571833 <4>[ 59.902654] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 59.923882] RSP: 002b:00007ffc2a292a18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 59.932607] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007fb60c571833 <4>[ 59.940851] RDX: 000000000000000c RSI: 00007fb60c464000 RDI: 0000000000000001 <4>[ 59.949091] RBP: 00007fb60c464000 R08: 00007fb60c463010 R09: 0000000000000000 <4>[ 59.957335] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 59.965581] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 26400] Code: 89 ff e8 fe f0 79 ff 48 c7 c0 ea ff ff ff eb de 48 <4>[ 59.973834] Modules linked in: fuse ip_tables cros_usbpd_logger cros_ec_debugfs uvcvideo cros_ec_lightbar cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger cros_ec_chardev videobuf2_memops videobuf2_v4l2 snd_soc_da7219 snd_soc_max98357a gsmi cros_ec_dev x86_pkg_temp_thermal videobuf2_common snd_soc_core snd_compress cros_usbpd_notify i2c_hid snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table <4>[ 60.020029] CR2: 0000000000000000 <4>[ 60.024016] ---[ end trace 388eb702d368970a ]--- <4>[ 60.029449] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 60.034113] Code: 89 ff e8 fe f0 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 20 46 e9 02 <4>[ 60.055330] RSP: 0018:ffff9a878129fe60 EFLAGS: 00010286 <4>[ 60.061445] RAX: ffffffff88778590 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 60.069695] RDX: 0000000000000000 RSI: ffff91073bc9bf70 RDI: ffffffff8977e0b0 <4>[ 60.077939] RBP: ffffffff89c5c448 R08: 0000000000000001 R09: 0000000000000001 <4>[ 60.086182] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 60.094428] R13: ffff9a878129ff10 R14: ffff9a878129ff10 R15: ffff9106c5f0c000 <4>[ 60.102672] FS: 00007fb60c65b580(0000) GS:ffff91073bc00000(0000) knlGS:0000000000000000 <4>[ 60.111982] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 60.118674] CR2: 0000000000000000 CR3: 0000000103868000 CR4: 00000000003506f0 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 20 46 e9 02 # [ 57.347602] RSP: 0018:ffff9a878129fe60 EFLAGS: 00010286 # [ 57.353710] RAX: ffffffff88778590 RBX: 0000000000000001 RCX: 0000000000000000 # [ 57.361950] RDX: 0000000000000000 RSI: ffff91073bc9bf70 RDI: ffffffff8977e0b0 # [ 57.370188] RBP: ffffffff89c5c448 R08: 0000000000000001 R09: 0000000000000001 # [ 57.378425] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 57.386664] R13: ffff9a878129ff10 R14: ffff9a878129ff10 R15: ffff9106c5f0c000 # [ 57.394906] FS: 00007f29058c5580(0000) GS:ffff91073bd80000(0000) knlGS:0000000000000000 # [ 57.404214] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 57.410907] CR2: 00007f29058f4000 CR3: 00000001040d8000 CR4: 00000000003506e0 # EXEC_USERSPACE: saw 'call trace:': ok ok 35 selftests: lkdtm: EXEC_USERSPACE.sh # selftests: lkdtm: EXEC_NULL.sh # Killed # [ 57.748122] lkdtm: Performing direct entry EXEC_NULL # [ 57.759635] lkdtm: attempting ok execution at ffffffff88778960 # [ 57.772661] lkdtm: attempting bad execution at 0000000000000000 # [ 57.785772] BUG: kernel NULL pointer dereference, address: 0000000000000000 # [ 57.799970] #PF: supervisor instruction fetch in kernel mode # [ 57.806559] #PF: error_code(0x0010) - not-present page # [ 57.818761] PGD 0 P4D 0 # [ 57.828077] Oops: 0010 [#11] SMP PTI # [ 57.832357] CPU: 1 PID: 1756 Comm: cat Tainted: G D W 5.10.178-cip31 #1 # [ 57.841281] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 57.848173] RIP: 0010:0x0 # [ 57.851391] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6. # [ 57.859347] RSP: 0018:ffff9a878227fe48 EFLAGS: 00010246 # [ 57.865465] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 # [ 57.873709] RDX: 0000000000000000 RSI: ffff91073bc9bf70 RDI: ffff91073bc9bf70 # [ 57.881953] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 # [ 57.890199] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 57.898442] R13: ffff9a878227ff10 R14: ffff9a878227ff10 R15: ffff9106c5d15000 # [ 57.906687] FS: 00007fa25ff12580(0000) GS:ffff91073bc80000(0000) knlGS:0000000000000000 # [ 57.915995] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 57.922693] CR2: ffffffffffffffd6 CR3: 000000010346c000 CR4: 00000000003506e0 # [ 57.930937] Call Trace: # [ 57.933966] execute_location+0x48/0x56 # [ 57.938542] direct_entry.cold+0x2c/0x38 # [ 57.943211] full_proxy_write+0x56/0x80 # [ 57.947785] vfs_write+0xea/0x3b0 # [ 57.951774] ksys_write+0x68/0xf0 # [ 57.955766] do_syscall_64+0x33/0x40 # [ 57.960044] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 57.965963] RIP: 0033:0x7fa25fe28833 # [ 57.970242] Code: 8b 15 61 26 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 # [ 57.991465] RSP: 002b:00007ffeef8754e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 58.000<6>[ 60.434199] lkdtm: Performing direct entry WRITE_RO 196] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fa25f<6>[ 60.442868] lkdtm: attempting bad rodata write at ffffffff8977e530 e28833 # [ 58.008444] RDX: 000000000000000a RSI: 00007fa25fd1<1>[ 60.456295] BUG: unable to handle page fault for address: ffffffff8977e530 <1>[ 60.470395] #PF: supervisor write access in kernel mode <1>[ 60.476500] #PF: error_code(0x0003) - permissions violation <6>[ 60.483002] PGD 32829067 P4D 32829067 PUD 3282a063 PMD 80000000320001e1 <4>[ 60.490777] Oops: 0003 [#14] SMP PTI <4>[ 60.495056] CPU: 3 PID: 1861 Comm: cat Tainted: G D W 5.10.178-cip31 #1 <4>[ 60.503971] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 60.510872] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a <4>[ 60.516118] Code: 00 48 c7 c7 68 8d bf 89 48 c7 c6 30 e5 77 89 e8 6f da fb ff 48 8b 05 37 4f 97 00 ba 34 12 cd ab 48 c7 c7 98 8d bf 89 48 31 d0 <48> 89 05 21 4f 97 00 e9 4d da fb ff 0f 1f 44 00 00 48 8b 05 10 3d <4>[ 60.537353] RSP: 0018:ffff9a878244fe60 EFLAGS: 00010202 <4>[ 60.543475] RAX: 000000000198b861 RBX: 0000000000000028 RCX: 0000000000000000 <4>[ 60.551724] RDX: 00000000abcd1234 RSI: ffff91073bd9bf70 RDI: ffffffff89bf8d98 <4>[ 60.559973] RBP: ffffffff89bf7f85 R08: 0000000000000000 R09: 0000000000000000 <4>[ 60.568220] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000009 <4>[ 60.576465] R13: ffff9a878244ff10 R14: ffff9a878244ff10 R15: ffff9106c3830000 <4>[ 60.584710] FS: 00007fa15a273580(0000) GS:ffff91073bd80000(0000) knlGS:0000000000000000 <4>[ 60.594024] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 60.600722] CR2: ffffffff8977e530 CR3: 0000000103ca0000 CR4: 00000000003506e0 <4>[ 60.608968] Call Trace: <4>[ 60.611993] direct_entry.cold+0x2c/0x38 <4>[ 60.616663] full_proxy_write+0x56/0x80 <4>[ 60.621232] vfs_write+0xea/0x3b0 <4>[ 60.625219] ksys_write+0x68/0xf0 <4>[ 60.629210] do_syscall_64+0x33/0x40 <4>[ 60.633489] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 60.639407] RIP: 0033:0x7fa15a189833 <4>[ 60.643681] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 60.664905] RSP: 002b:00007ffe4db76428 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 60.673636] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007fa15a189833 <4>[ 60.681875] RDX: 0000000000000009 RSI: 00007fa15a07c000 RDI: 0000000000000001 <4>[ 60.690115] RBP: 00007fa15a07c000 R08: 00007fa15a07b010 R09: 0000000000000000 <4>[ 60.698357] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 60.706598] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 60.714849] Modules linked in: fuse ip_tables cros_usbpd_logger cros_ec_debugfs uvcvideo cros_ec_lightbar cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger cros_ec_chardev videobuf2_memops videobuf2_v4l2 snd_soc_da7219 snd_soc_max98357a gsmi cros_ec_dev x86_pkg_temp_thermal videobuf2_common snd_soc_core snd_compress cros_usbpd_notify i2c_hid snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table <4>[ 60.754842] CR2: ffffffff8977e530 <4>[ 60.758817] ---[ end trace 388eb702d368970b ]--- <4>[ 60.764255] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 60.768915] Code: 89 ff e8 fe f0 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 20 46 e9 02 <4>[ 60.790128] RSP: 0018:ffff9a878129fe60 EFLAGS: 00010286 <4>[ 60.796240] RAX: ffffffff88778590 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 60.804483] RDX: 0000000000000000 RSI: ffff91073bc9bf70 RDI: ffffffff8977e0b0 <4>[ 60.812730] RBP: ffffffff89c5c448 R08: 0000000000000001 R09: 0000000000000001 <4>[ 60.820974] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 60.829220] R13: ffff9a878129ff10 R14: ffff9a878129ff10 R15: ffff9106c5f0c000 <4>[ 60.837468] FS: 00007fa15a273580(0000) GS:ffff91073bd80000(0000) knlGS:0000000000000000 <4>[ 60.846781] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 60.853478] CR2: ffffffff8977e530 CR3: 0000000103ca0000 CR4: 00000000003506e0 <3>[ 60.861729] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 60.871914] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1861, name: cat <4>[ 60.880642] INFO: lockdep is turned off. <4>[ 60.885305] irq event stamp: 0 <4>[ 60.888998] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 60.896280] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 <4>[ 60.905688] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 <4>[ 60.915098] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 60.922378] CPU: 3 PID: 1861 Comm: cat Tainted: G D W 5.10.178-cip31 #1 <4>[ 60.931300] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 60.938187] Call Trace: <4>[ 60.941210] dump_stack+0x77/0x9b <4>[ 60.945201] ___might_sleep.cold+0xa6/0xb6 <4>[ 60.950063] exit_signals+0x1c/0x300 <4>[ 60.954342] do_exit+0xc2/0xab0 <4>[ 60.958136] ? ksys_write+0x68/0xf0 <4>[ 60.962319] make_task_dead+0x2f/0x30 <4>[ 60.966692] rewind_stack_and_make_dead+0x17/0x20 <4>[ 60.972227] RIP: 0033:0x7fa15a189833 <4>[ 60.976503] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 60.997726] RSP: 002b:00007ffe4db76428 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 61.006452] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007fa15a189833 <4>[ 61.014694] RDX: 0000000000000009 RSI: 00007fa15a07c000 RDI: 0000000000000001 <4>[ 61.022936] RBP: 00007fa15a07c000 R08: 00007fa15a07b010 R09: 0000000000000000 <4>[ 61.031182] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 61.039428] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 b000 RDI: 0000000000000001 # [ 58.016691] RBP: 00007fa25fd1b000 R08: 00007fa25fd1a010 R09: 0000000000000000 # [ 58.024935] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 58.033177] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 58.041432] Modules linked in: fuse ip_tables cros_usbpd_logger cros_ec_debugfs uvcvideo cros_ec_lightbar cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger cros_ec_chardev videobuf2_memops videobuf2_v4l2 snd_soc_da7219 snd_soc_max98357a gsmi cros_ec_dev x86_pkg_temp_thermal videobuf2_common snd_soc_core snd_compress cros_usbpd_notify i2c_hid snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 58.087605] CR2: 0000000000000000 # [ 58.091585] ---[ end trace 388eb702d3689708 ]--- # [ 58.097024] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 58.101686] Code: 89 ff e8 fe f0 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 20 46 e9 02 # [ 58.122910] RSP: 0018:ffff9a878129fe60 EFLAGS: 00010286 # [ 58.129025] RAX: ffffffff88778590 RBX: 0000000000000001 RCX: 0000000000000000 # [ 58.137271] RDX: 0000000000000000 RSI: ffff91073bc9bf70 RDI: ffffffff8977e0b0 # [ 58.145521] RBP: ffffffff89c5c448 R08: 0000000000000001 R09: 0000000000000001 # [ 58.153773] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 58.162020] R13: ffff9a878129ff10 R14: ffff9a878129ff10 R15: ffff9106c5f0c000 # [ 58.170272] FS: 00007fa25ff12580(0000) GS:ffff91073bc80000(0000) knlGS:0000000000000000 # [ 58.179588] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 58.186285] CR2: ffffffffffffffd6 CR3: 000000010346c000 CR4: 00000000003506e0 # [ 58.194536] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 58.204724] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1756, name: cat # [ 58.213458] INFO: lockdep is turned off. # [ 58.218122] irq event stamp: 0 # [ 58.221817] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 58.229097] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 58.238505] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 58.247916] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 58.255196] CPU: 1 PID: 1756 Comm: cat Tainted: G D W 5.10.178-cip31 #1 # [ 58.264109] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 58.270996] Call Trace: # [ 58.274018] dump_stack+0x77/0x9b # [ 58.278005] ___might_sleep.cold+0xa6/0xb6 # [ 58.282866] exit_signals+0x1c/0x300 # [ 58.287145] do_exit+0xc2/0xab0 # [ 58.290939] ? ksys_write+0x68/0xf0 # [ 58.295120] make_task_dead+0x2f/0x30 # [ 58.299493] rewind_stack_and_make_dead+0x17/0x20 # [ 58.305027] RIP: 0033:0x7fa25fe28833 # [ 58.309300] Code: 8b 15 61 26 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 # [ 58.330522] RSP: 002b:00007ffeef8754e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 58.339258] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fa25fe28833 # [ 58.347501] RDX: 000000000000000a RSI: 00007fa25fd1b000 RDI: 0000000000000001 # [ 58.355748] RBP: 00007fa25fd1b000 R08: 00007fa25fd1a010 R09: 0000000000000000 # [ 58.363995] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001<6>[ 61.389929] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT <6>[ 61.401673] lkdtm: attempting bad ro_after_init write at ffffffff89c7d330 # [ 58.372240] R13: 0000000000000001 R14: 0000000000020000 R<1>[ 61.409594] BUG: unable to handle page fault for address: ffffffff89c7d330 <1>[ 61.423733] #PF: supervisor write access in kernel mode <1>[ 61.429851] #PF: error_code(0x0003) - permissions violation 15: 0000000000020000 # EXEC_NULL: saw 'call trace:': ok ok 36 <6>[ 61.436349] PGD 32829067 P4D 32829067 PUD 3282a063 PMD 10005d163 PTE 800000003267d061 <4>[ 61.451575] Oops: 0003 [#15] SMP PTI [ 61.455853] CPU: 2 PID: 1896 Comm: cat Tainted: G D W 5.10.178-cip31 #1 <4>[ 61.470883] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 61.477780] RIP: 0010:lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a <4>[ 61.484094] Code: 8d bf 89 e9 21 da fb ff 48 c7 c7 f0 8d bf 89 e8 15 da fb ff 48 8b 05 dd 3c e7 00 ba 34 12 cd ab 48 c7 c7 98 8d bf 89 48 31 d0 <48> 89 05 c7 3c e7 00 e9 f3 d9 fb ff 0f 1f 44 00 00 41 54 48 c7 c7 <4>[ 61.505329] RSP: 0018:ffff9a87824d7e60 EFLAGS: 00010202 <4>[ 61.511445] RAX: 00000000fe67479e RBX: 0000000000000029 RCX: 0000000000000000 <4>[ 61.519692] RDX: 00000000abcd1234 RSI: ffff91073bd1bf70 RDI: ffffffff89bf8d98 <4>[ 61.527937] RBP: ffffffff89bf7f8e R08: 0000000000000000 R09: 0000000000000000 <4>[ 61.536180] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000014 <4>[ 61.544426] R13: ffff9a87824d7f10 R14: ffff9a87824d7f10 R15: ffff9106c274c000 <4>[ 61.552672] FS: 00007fbf11cc8580(0000) GS:ffff91073bd00000(0000) knlGS:0000000000000000 <4>[ 61.561983] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 61.568679] CR2: ffffffff89c7d330 CR3: 000000010288e000 CR4: 00000000003506e0 <4>[ 61.576922] Call Trace: <4>[ 61.579946] direct_entry.cold+0x2c/0x38 <4>[ 61.584618] full_proxy_write+0x56/0x80 <4>[ 61.589187] vfs_write+0xea/0x3b0 <4>[ 61.593175] ksys_write+0x68/0xf0 <4>[ 61.597154] do_syscall_64+0x33/0x40 <4>[ 61.601433] entry_SYSCALL_64_after_hwframe+0x61/0xc6 PACE.sh # Killed # [ 58.720207] lkdtm: Performing direct ent<4>[ 61.607356] RIP: 0033:0x7fbf11bde833 <4>[ 61.617824] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 61.639053] RSP: 002b:00007ffd5bbca478 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 61.647784] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007fbf11bde833 <4>[ 61.656025] RDX: 0000000000000014 RSI: 00007fbf11ad1000 RDI: 0000000000000001 <4>[ 61.664267] RBP: 00007fbf11ad1000 R08: 00007fbf11ad0010 R09: 0000000000000000 <4>[ 61.672514] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 61.680759] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ry ACCESS_USERSPACE # [ 58.728028] lkdtm: attempting bad read<4>[ 61.689013] Modules linked in: fuse ip_tables cros_usbpd_logger cros_ec_debugfs uvcvideo cros_ec_lightbar cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger cros_ec_chardev videobuf2_memops videobuf2_v4l2 snd_soc_da7219 snd_soc_max98357a gsmi cros_ec_dev x86_pkg_temp_thermal videobuf2_common snd_soc_core snd_compress cros_usbpd_notify i2c_hid snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table <4>[ 61.735182] CR2: ffffffff89c7d330 <4>[ 61.739168] ---[ end trace 388eb702d368970c ]--- <4>[ 61.744608] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 61.749269] Code: 89 ff e8 fe f0 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 20 46 e9 02 <4>[ 61.770487] RSP: 0018:ffff9a878129fe60 EFLAGS: 00010286 <4>[ 61.776602] RAX: ffffffff88778590 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 61.784848] RDX: 0000000000000000 RSI: ffff91073bc9bf70 RDI: ffffffff8977e0b0 <4>[ 61.793091] RBP: ffffffff89c5c448 R08: 0000000000000001 R09: 0000000000000001 <4>[ 61.801335] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 61.809578] R13: ffff9a878129ff10 R14: ffff9a878129ff10 R15: ffff9106c5f0c000 <4>[ 61.817823] FS: 00007fbf11cc8580(0000) GS:ffff91073bd00000(0000) knlGS:0000000000000000 <4>[ 61.827132] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 61.833822] CR2: ffffffff89c7d330 CR3: 000000010288e000 CR4: 00000000003506e0 <3>[ 61.842065] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 61.852245] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1896, name: cat <4>[ 61.860971] INFO: lockdep is turned off. <4>[ 61.865632] irq event stamp: 0 <4>[ 61.869327] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 61.876606] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 <4>[ 61.886013] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 <4>[ 61.895421] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 61.902702] CPU: 2 PID: 1896 Comm: cat Tainted: G D W 5.10.178-cip31 #1 <4>[ 61.911626] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 61.918512] Call Trace: <4>[ 61.921535] dump_stack+0x77/0x9b <4>[ 61.925522] ___might_sleep.cold+0xa6/0xb6 <4>[ 61.930390] exit_signals+0x1c/0x300 <4>[ 61.934671] do_exit+0xc2/0xab0 <4>[ 61.938467] ? ksys_write+0x68/0xf0 <4>[ 61.942652] make_task_dead+0x2f/0x30 <4>[ 61.947029] rewind_stack_and_make_dead+0x17/0x20 <4>[ 61.952565] RIP: 0033:0x7fbf11bde833 <4>[ 61.956845] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 61.978061] RSP: 002b:00007ffd5bbca478 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 61.986794] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007fbf11bde833 <4>[ 61.995031] RDX: 0000000000000014 RSI: 00007fbf11ad1000 RDI: 0000000000000001 <4>[ 62.003271] RBP: 00007fbf11ad1000 R08: 00007fbf11ad0010 R09: 0000000000000000 <4>[ 62.011508] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 62.019746] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 at 00007f337debf000 # [ 58.734474] BUG: unable to handle page fault for address: 00007f337debf000 # [ 58.742426] #PF: supervisor read access in kernel mode # [ 58.754627] #PF: error_code(0x0001) - permissions violation # [ 58.761131] PGD 80000001041c2067 P4D 80000001041c2067 PUD 103323067 PMD 105a3b067 PTE 1085fe067 # [ 58.771136] Oops: 0001 [#12] SMP PTI # [ 58.775414] CPU: 0 PID: 1791 Comm: cat Tainted: G D W 5.10.178-cip31 #1 # [ 58.784328] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 58.791230] RIP: 0010:lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3 # [ 58.797730] Code: 00 00 00 75 64 48 83 c4 10 5d c3 cc cc cc cc 48 89 ee 48 c7 c7 88 8e bf 89 e8 47 d8 fb ff 48 c7 c7 b0 8e bf 89 b8 de c0 de c0 <48> 03 45 00 48 89 04 24 e8 2e d8 fb ff 48 89 ee 48 c7 c7 d8 8e bf # [ 58.818952] RSP: 0018:ffff9a8782347e48 EFLAGS: 00010246 # [ 58.825066] RAX: 00000000c0dec0de RBX: 0000000000000026 RCX: 0000000000000000 # [ 58.833307] RDX: 0000000000000000 RSI: ffff91073bc1bf70 RDI: ffffffff89bf8eb0 # [ 58.841552] RBP: 00007f337debf000 R08: 0000000000000000 R09: 0000000000000000 # [ 58.849797] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000011 # [ 58.858042] R13: ffff9a8782347f10 R14: ffff9a8782347f10 R15: ffff9106c3e53000 # [ 58.866290] FS: 00007f337de90580(0000) GS:ffff91073bc00000(0000) knlGS:0000000000000000 # [ 58.875606] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 58.882304] CR2: 00007f337debf000 CR3: 0000000105cb2000 CR4: 00000000003506f0 # [ 58.890551] Call Trace: # [ 58.893579] direct_entry.cold+0x2c/0x38 # [ 58.898249] full_proxy_write+0x56/0x80 # [ 58.902819] vfs_write+0xea/0x3b0 # [ 58.906811] ksys_write+0x68/0xf0 # [ 58.910805] do_syscall_64+0x33/0x40 # [ 58.915086] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 58.921013] RIP: 0033:0x7f337dda6833 # [ 58.925294] Code: 8b 15 61 26 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 # [ 58.946523] RSP: 002b:00007ffca7d21758 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 58.955243] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007f337dda6833 # [ 58.963484] RDX: 0000000000000011 RSI: 00007f337dc99000 RDI: 0000000000000001 # [ 58.971730] RBP: 00007f337dc99000 R08: 00007f337dc98010 R09: 0000000000000000 # [ 58.979975] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 58.988216] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 58.996467] Modules linked in: fuse ip_tables cros_usbpd_logger cros_ec_debugfs uvcvideo cros_ec_lightbar cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger cros_ec_chardev videobuf2_memops videobuf2_v4l2 snd_soc_da7219 snd_soc_max98357a gsmi cros_ec_dev x86_pkg_temp_thermal videobuf2_common snd_soc_core snd_compress cros_usbpd_notify i2c_hid snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 59.042595] CR2: 00007f337debf000 # [ 59.046581] ---[ end trace 388eb702d3689709 ]--- # [ 59.052012] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 59.056673] Code: 89 ff e8 fe f0 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 20 46 e9 <6>[ 62.356115] lkdtm: Performing direct entry WRITE_KERN 02 # [ 59.077899] RSP: 0018:ffff9a878129fe60 EFLAGS: 00010286<6>[ 62.362569] lkdtm: attempting bad 6884371 byte write at ffffffff88e09573 # [ 59.084016] RAX: ffffffff88778590 RBX: 0000000000000001 R<1>[ 62.376569] BUG: unable to handle page fault for address: ffffffff88e09573 <1>[ 62.390686] #PF: supervisor write access in kernel mode <1>[ 62.396805] #PF: error_code(0x0003) - permissions violation <6>[ 62.403310] PGD 32829067 P4D 32829067 PUD 3282a063 PMD 318001e1 <4>[ 62.410314] Oops: 0003 [#16] SMP PTI <4>[ 62.414594] CPU: 3 PID: 1931 Comm: cat Tainted: G D W 5.10.178-cip31 #1 <4>[ 62.423521] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 62.430428] RIP: 0010:lkdtm_WRITE_KERN+0x38/0x4e <4>[ 62.435873] Code: 53 48 c7 c3 73 95 e0 88 49 89 dc 48 89 da 49 81 ec 60 89 77 88 4c 89 e6 e8 c8 d9 fb ff 48 89 df 4c 89 e1 48 c7 c6 60 89 77 88 a4 48 c7 c7 98 8d bf 89 e8 ad d9 fb ff 5b 41 5c e9 b7 fe ff ff <4>[ 62.457116] RSP: 0018:ffff9a878252fe50 EFLAGS: 00010246 <4>[ 62.463236] RAX: 000000000000003c RBX: ffffffff88e09573 RCX: 0000000000690c13 <4>[ 62.471485] RDX: 0000000000000000 RSI: ffffffff88778960 RDI: ffffffff88e09573 <4>[ 62.479737] RBP: ffffffff89bf7fa2 R08: 0000000000000000 R09: 0000000000000000 <4>[ 62.487988] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000690c13 <4>[ 62.496237] R13: ffff9a878252ff10 R14: ffff9a878252ff10 R15: ffff9106c3db7000 <4>[ 62.504493] FS: 00007fc694961580(0000) GS:ffff91073bd80000(0000) knlGS:0000000000000000 <4>[ 62.513807] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 62.520505] CR2: ffffffff88e09573 CR3: 0000000106a58000 CR4: 00000000003506e0 <4>[ 62.528753] Call Trace: <4>[ 62.531780] direct_entry.cold+0x2c/0x38 <4>[ 62.536452] full_proxy_write+0x56/0x80 <4>[ 62.541028] vfs_write+0xea/0x3b0 <4>[ 62.545018] ksys_write+0x68/0xf0 <4>[ 62.549010] do_syscall_64+0x33/0x40 <4>[ 62.553289] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 62.559215] RIP: 0033:0x7fc694877833 <4>[ 62.563492] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 62.584721] RSP: 002b:00007ffdf8d265b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 62.593457] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007fc694877833 <4>[ 62.601703] RDX: 000000000000000b RSI: 00007fc69476a000 RDI: 0000000000000001 <4>[ 62.609949] RBP: 00007fc69476a000 R08: 00007fc694769010 R09: 0000000000000000 <4>[ 62.618190] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 62.626432] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 62.634687] Modules linked in: fuse ip_tables cros_usbpd_logger cros_ec_debugfs uvcvideo cros_ec_lightbar cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger cros_ec_chardev videobuf2_memops videobuf2_v4l2 snd_soc_da7219 snd_soc_max98357a gsmi cros_ec_dev x86_pkg_temp_thermal videobuf2_common snd_soc_core snd_compress cros_usbpd_notify i2c_hid snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table <4>[ 62.674688] CR2: ffffffff88e09573 <4>[ 62.678676] ---[ end trace 388eb702d368970d ]--- <4>[ 62.684118] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 62.688782] Code: 89 ff e8 fe f0 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 20 46 e9 02 <4>[ 62.710008] RSP: 0018:ffff9a878129fe60 EFLAGS: 00010286 <4>[ 62.716120] RAX: ffffffff88778590 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 62.724363] RDX: 0000000000000000 RSI: ffff91073bc9bf70 RDI: ffffffff8977e0b0 <4>[ 62.732603] RBP: ffffffff89c5c448 R08: 0000000000000001 R09: 0000000000000001 <4>[ 62.740840] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 62.749078] R13: ffff9a878129ff10 R14: ffff9a878129ff10 R15: ffff9106c5f0c000 <4>[ 62.757324] FS: 00007fc694961580(0000) GS:ffff91073bd80000(0000) knlGS:0000000000000000 <4>[ 62.766634] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 62.773328] CR2: ffffffff88e09573 CR3: 0000000106a58000 CR4: 00000000003506e0 <3>[ 62.781573] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 62.791745] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1931, name: cat <4>[ 62.800471] INFO: lockdep is turned off. <4>[ 62.805131] irq event stamp: 0 <4>[ 62.808825] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 62.816106] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 <4>[ 62.825513] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 <4>[ 62.834922] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 62.842198] CPU: 3 PID: 1931 Comm: cat Tainted: G D W 5.10.178-cip31 #1 <4>[ 62.851118] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 62.858009] Call Trace: <4>[ 62.861035] dump_stack+0x77/0x9b <4>[ 62.865026] ___might_sleep.cold+0xa6/0xb6 <4>[ 62.869889] exit_signals+0x1c/0x300 <4>[ 62.874167] do_exit+0xc2/0xab0 <4>[ 62.877963] ? ksys_write+0x68/0xf0 <4>[ 62.882148] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 <4>[ 62.887878] make_task_dead+0x2f/0x30 <4>[ 62.892253] rewind_stack_and_make_dead+0x17/0x20 <4>[ 62.897779] RIP: 0033:0x7fc694877833 <4>[ 62.902057] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 62.923276] RSP: 002b:00007ffdf8d265b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 62.932011] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007fc694877833 <4>[ 62.940257] RDX: 000000000000000b RSI: 00007fc69476a000 RDI: 0000000000000001 <4>[ 62.948503] RBP: 00007fc69476a000 R08: 00007fc694769010 R09: 0000000000000000 <4>[ 62.956749] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 62.964995] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 CX: 0000000000000000 # [ 59.092265] RDX: 0000000000000000 RSI: ffff91073bc9bf70 RDI: ffffffff8977e0b0 # [ 59.100513] RBP: ffffffff89c5c448 R08: 0000000000000001 R09: 0000000000000001 # [ 59.108760] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 59.117007] R13: ffff9a878129ff10 R14: ffff9a878129ff10 R15: ffff9106c5f0c000 # [ 59.125255] FS: 00007f337de90580(0000) GS:ffff91073bc00000(0000) knlGS:0000000000000000 # [ 59.134565] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 59.141260] CR2: 00007f337debf000 CR3: 0000000105cb2000 CR4: 00000000003506f0 # [ 59.149510] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 59.159682] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1791, name: cat # [ 59.168409] INFO: lockdep is turned off. # [ 59.173070] irq event stamp: 0 # [ 59.176767] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 59.184048] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 59.193462] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 59.202869] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 59.210148] CPU: 0 PID: 1791 Comm: cat Tainted: G D W 5.10.178-cip31 #1 # [ 59.219071] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 59.225958] Call Trace: # [ 59.228982] dump_stack+0x77/0x9b # [ 59.232974] ___might_sleep.cold+0xa6/0xb6 # [ 59.237835] exit_signals+0x1c/0x300 # [ 59.242114] do_exit+0xc2/0xab0 # [ 59.245908] ? ksys_write+0x68/0xf0 # [ 59.250080] make_task_dead+0x2f/0x30 # [ 59.254456] rewind_stack_and_make_dead+0x17/0x20 # [ 59.259992] RIP: 0033:0x7f337dda6833 # [ 59.264269] Code: 8b 15 61 26 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 # [ 59.285492] RSP: 002b:00007ffca7d21758 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 59.294223] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007f337dda6833 # [ 59.302469] RDX: 0000000000000011 RSI: 00007f337dc99000 RDI: 0000000000000001 # [ 59.310715] RBP: 00007f337dc99000 R08: 00007f337dc98010 R09: 0000000000000000 # [ 59.318959] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 59.327205] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # ACCESS_USERSPACE: saw 'call trace:': ok ok 37 selftests: lkdtm: ACCESS_USERSPACE.sh # selftests: lkdtm: ACCESS_NULL.sh # Killed # [ 59.713247] lkdtm: Performing direct entry ACCESS_NULL # [ 59.719825] lkdtm: attempting bad read at 0000000000000000 # [ 59.726281] BUG: kernel NULL pointer dereference, address: 0000000000000000 # [ 59.734339] #PF: supervisor read access in kernel mode # [ 59.740355] #PF: error_code(0x0000) - not-present page # [ 59.746374] PGD 0 P4D 0 # [ 59.749497] Oops: 0000 [#13] SMP PTI # [ 59.753775] CPU: 0 PID: 1826 Comm: cat Tainted: G D W 5.10.178-cip31 #1 # [ 59.762688] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 59.769588] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53 # [ 59.775124] Code: eb d7 fb ff be 00 10 00 00 48 89 ef e8 0d b1 0f ff e9 69 ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 88 8e bf 89 e8 c5 d7 fb ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 b0 8e bf 89 48 01 # [ 59.796342] RSP: 0018:ffff9a87823afe58 EFLAGS: 00010246 # [ 59.802459] RAX: 000000000000002e RBX: 0000000000000027 RCX: 0000000000000000 # [ 59.810706] RDX: 0000000000000000 RSI: ffff91073bc1bf70 RDI: ffff91073bc1bf70 # [ 59.818950] RBP: ffffffff89bf7f79 R08: 0000000000000000 R09: 0000000000000000 # [ 59.827194] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c # [ 59.835437] R13: ffff9a87823aff10 R14: ffff9a87823aff10 R15: ffff9106c29c1000 # [ 59.843687] FS: 00007fb60c65b580(0000) GS:ffff91073bc00000(0000) knlGS:00000<6>[ 63.359696] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW <6>[ 63.370902] lkdtm: attempting good refcount_inc() without overflow <6>[ 63.378120] lkdtm: attempting bad refcount_inc() overflow <4>[ 63.384455] ------------[ cut here ]------------ 00000000000 # [ 59.853001] CS: 0010 DS: 0000 ES: 0000 CR0: 0<4>[ 63.389914] refcount_t: saturated; leaking memory. 000000080050033 # [ 59.859694] CR2: 0000000000000000 CR3: 000<4>[ 63.401814] WARNING: CPU: 2 PID: 1966 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 0000103868000 CR4: 00000000003506f0 # [ 59.867937] Call Trace<4>[ 63.417655] Modules linked in: fuse ip_tables cros_usbpd_logger cros_ec_debugfs uvcvideo cros_ec_lightbar cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger cros_ec_chardev videobuf2_memops videobuf2_v4l2 snd_soc_da7219 snd_soc_max98357a gsmi cros_ec_dev x86_pkg_temp_thermal videobuf2_common snd_soc_core snd_compress cros_usbpd_notify i2c_hid snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table <4>[ 63.463812] CPU: 2 PID: 1966 Comm: cat Tainted: G D W 5.10.178-cip31 #1 <4>[ 63.472808] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 63.479757] RIP: 0010:refcount_warn_saturate+0x51/0x110 <4>[ 63.485895] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d b1 f7 f6 01 00 75 ee 48 c7 c7 d8 2f b5 89 c6 05 a1 f7 f6 01 01 e8 58 b3 c0 00 <0f> 0b c3 cc cc cc cc 80 3d 8d f7 f6 01 00 75 cb 48 c7 c7 00 30 b5 <4>[ 63.507132] RSP: 0018:ffff9a87825bfe48 EFLAGS: 00010286 <4>[ 63.513267] RAX: 0000000000000000 RBX: 000000000000002b RCX: 0000000000000000 <4>[ 63.521529] RDX: ffff91073bd2c660 RSI: ffff91073bd1bf70 RDI: ffff91073bd1bf70 <4>[ 63.529791] RBP: ffffffff89bf7fad R08: 0000000000000000 R09: 0000000000000000 <4>[ 63.538046] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 <4>[ 63.546305] R13: ffff9a87825bff10 R14: ffff9a87825bff10 R15: ffff9106c5d2a000 <4>[ 63.554568] FS: 00007fc8a70de580(0000) GS:ffff91073bd00000(0000) knlGS:0000000000000000 <4>[ 63.563893] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 63.570606] CR2: 00007fc8a6ee7000 CR3: 000000010698a000 CR4: 00000000003506e0 <4>[ 63.578874] Call Trace: <4>[ 63.581921] lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x98 <4>[ 63.587580] direct_entry.cold+0x2c/0x38 <4>[ 63.592268] full_proxy_write+0x56/0x80 <4>[ 63.596863] vfs_write+0xea/0x3b0 <4>[ 63.600864] ksys_write+0x68/0xf0 <4>[ 63.604877] do_syscall_64+0x33/0x40 <4>[ 63.609177] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 63.615122] RIP: 0033:0x7fc8a6ff4833 <4>[ 63.619420] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 63.640661] RSP: 002b:00007ffed5557e98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 63.649414] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fc8a6ff4833 <4>[ 63.657679] RDX: 0000000000000016 RSI: 00007fc8a6ee7000 RDI: 0000000000000001 <4>[ 63.665945] RBP: 00007fc8a6ee7000 R08: 00007fc8a6ee6010 R09: 0000000000000000 <4>[ 63.674207] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 63.682471] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 : # [ 59.870966] direct_entry.cold+0x2c/0x38 # [ 59.87563<4>[ 63.690744] irq event stamp: 0 3] full_proxy_write+0x56/0x80 # [ 59.880204] vfs_write+0xea<4>[ 63.700636] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 63.714133] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 <4>[ 63.723561] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 <4>[ 63.732987] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 63.740276] ---[ end trace 388eb702d368970e ]--- <6>[ 63.745731] lkdtm: Overflow detected: saturated /0x3b0 # [ 59.884193] ksys_write+0x68/0xf0 # [ 59.888176] do_syscall_64+0x33/0x40 # [ 59.892455] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 59.898378] RIP: 0033:0x7fb60c571833 # [ 59.902654] Code: 8b 15 61 26 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 # [ 59.923882] RSP: 002b:00007ffc2a292a18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 59.932607] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007fb60c571833 # [ 59.940851] RDX: 000000000000000c RSI: 00007fb60c464000 RDI: 0000000000000001 # [ 59.949091] RBP: 00007fb60c464000 R08: 00007fb60c463010 R09: 0000000000000000 # [ 59.957335] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 59.965581] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 59.973834] Modules linked in: fuse ip_tables cros_usbpd_logger cros_ec_debugfs uvcvideo cros_ec_lightbar cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger cros_ec_chardev videobuf2_memops videobuf2_v4l2 snd_soc_da7219 snd_soc_max98357a gsmi cros_ec_dev x86_pkg_temp_thermal videobuf2_common snd_soc_core snd_compress cros_usbpd_notify i2c_hid snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 60.020029] CR2: 0000000000000000 # [ 60.024016] ---[ end trace 388eb702d368970a ]--- # [ 60.029449] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 60.034113] Code: 89 ff e8 fe f0 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 20 46 e9 02 # [ 60.055330] RSP: 0018:ffff9a878129fe60 EFLAGS: 00010286 # [ 60.061445] RAX: ffffffff88778590 RBX: 0000000000000001 RCX: 0000000000000000 # [ 60.069695] RDX: 0000000000000000 RSI: ffff91073bc9bf70 RDI: ffffffff8977e0b0 # [ 60.077939] RBP: ffffffff89c5c448 R08: 0000000000000001 R09: 0000000000000001 # [ 60.086182] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 60.094428] R13: ffff9a878129ff10 R14: ffff9a878129ff10 R15: ffff9106c5f0c000 # [ 60.102672] FS: 00007fb60c65b580(0000) GS:ffff91073bc00000(0000) knlGS:0000000000000000 # [ 60.111982] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 60.118674] CR2: 0000000000000000 CR3: 0000000103868000 CR4: 00000000003506f0 # ACCESS_NULL: saw 'call trace:': ok ok 38 selftests: lkdtm: ACCESS_NULL.sh # selftests: lkdtm: WRITE_RO.sh # Killed # [ 60.434199] lkdtm: Performing direct entry WRITE_RO # [ 60.442868] lkdtm: attempting bad rodata write at ffffffff8977e530 # [ 60.456295] BUG: unable to handle page fault for address: ffffffff8977e530 # [ 60.470395] #PF: supervisor write access in kernel mode # [ 60.476500] #PF: error_code(0x0003) - permissions violation # [ 60.483002] PGD 32829067 P4D 32829067 PUD 3282a063 PMD 80000000320001e1 # [ 60.490777] Oops: 0003 [#14] SMP PTI # [ 60.495056] CPU: 3 PID: 1861 Comm: cat Tainted: G D W 5.10.178-cip31 #1 # [ 60.503971] Hardware name: Google Co<6>[ 64.054815] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW ral/Coral, BIOS 09/29/2020 # [ 60.510872] RIP: 0010:lkdtm_WR<6>[ 64.062194] lkdtm: attempting good refcount_add() without overflow ITE_RO+0x2e/0x3a # [ 60.516118] Code: 00 48 c7 c7 68 8d bf 89<6>[ 64.075576] lkdtm: attempting bad refcount_add() overflow 48 c7 c6 30 e5 77 89 e8 6f da fb ff 48 8b 05 37 4f 97 00 ba 34 <4>[ 64.088153] ------------[ cut here ]------------ 12 cd ab 48 c7 c7 98 8d bf 89 48 31 d0 <48> 89 05 21 4f 97 00 e9<4>[ 64.099977] refcount_t: saturated; leaking memory. 4d da fb ff 0f 1f 44 00 00 48 8b 05 10 3d # [ 60.537353] RSP<4>[ 64.112012] WARNING: CPU: 3 PID: 1998 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 : 0018:ffff9a878244fe60 EFLAGS: 00010202 # [ 60.543475] RAX: <4>[ 64.127562] Modules linked in: fuse ip_tables cros_usbpd_logger cros_ec_debugfs uvcvideo cros_ec_lightbar cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger cros_ec_chardev videobuf2_memops videobuf2_v4l2 snd_soc_da7219 snd_soc_max98357a gsmi cros_ec_dev x86_pkg_temp_thermal videobuf2_common snd_soc_core snd_compress cros_usbpd_notify i2c_hid snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table 000000000198b861 RBX: 0000000000000028 RCX: 0000000000000000 # <4>[ 64.173830] CPU: 3 PID: 1998 Comm: cat Tainted: G D W 5.10.178-cip31 #1 [ 60.551724] RDX: 00000000abcd1234 RSI: ffff91073bd9bf70 RDI: <4>[ 64.188948] Hardware name: Google Coral/Coral, BIOS 09/29/2020 ffffffff89bf8d98 # [ 60.559973] RBP: ffffffff89bf7f85 R08: 00<4>[ 64.202064] RIP: 0010:refcount_warn_saturate+0x51/0x110 00000000000000 R09: 0000000000000000 # [ 60.568220] R10: 0000<4>[ 64.214258] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d b1 f7 f6 01 00 75 ee 48 c7 c7 d8 2f b5 89 c6 05 a1 f7 f6 01 01 e8 58 b3 c0 00 <0f> 0b c3 cc cc cc cc 80 3d 8d f7 f6 01 00 75 cb 48 c7 c7 00 30 b5 0000ffffe000 R11: 3fffffffffffffff R12: 0000000000000009 # [ <4>[ 64.241813] RSP: 0018:ffff9a8782627e48 EFLAGS: 00010286 60.576465] R13: ffff9a878244ff10 R14: ffff9a878244ff10 R15: ffff<4>[ 64.254063] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000 9106c3830000 # [ 60.584710] FS: 00007fa15a273580(0000) GS:ff<4>[ 64.268530] RDX: ffff91073bdac660 RSI: ffff91073bd9bf70 RDI: ffff91073bd9bf70 ff91073bd80000(0000) knlGS:0000000000000000 # [ 60.594024] CS<4>[ 64.282974] RBP: ffffffff89bf7fc3 R08: 0000000000000000 R09: 0000000000000000 : 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 60.600722<4>[ 64.297463] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 ] CR2: ffffffff8977e530 CR3: 0000000103ca0000 CR4: 0000000000350<4>[ 64.311894] R13: ffff9a8782627f10 R14: ffff9a8782627f10 R15: ffff9106c5e8a000 6e0 # [ 60.608968] Call Trace: # [ 60.611993] direct_entr<4>[ 64.326405] FS: 00007fcd98829580(0000) GS:ffff91073bd80000(0000) knlGS:0000000000000000 y.cold+0x2c/0x38 # [ 60.616663] full_proxy_write+0x56/0x80 <4>[ 64.341898] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 60.621232] vfs_write+0xea/0x3b0 # [ 60.625219] ksys_w<4>[ 64.354805] CR2: 00007fcd98632000 CR3: 0000000105cae000 CR4: 00000000003506e0 rite+0x68/0xf0 # [ 60.629210] do_syscall_64+0x33/0x40 # [ <4>[ 64.369245] Call Trace: 60.633489] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 60.<4>[ 64.378549] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa7 639407] RIP: 0033:0x7fa15a189833 # [ 60.643681] Code: 8b 15 6<4>[ 64.390308] direct_entry.cold+0x2c/0x38 1 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64<4>[ 64.401158] full_proxy_write+0x56/0x80 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 0<4>[ 64.412023] vfs_write+0xea/0x3b0 0 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ <4>[ 64.422143] ksys_write+0x68/0xf0 60.664905] RSP: 002b:00007ffe4db76428 EFLAGS: 00000246 ORIG_RA<4>[ 64.432319] do_syscall_64+0x33/0x40 X: 0000000000000001 # [ 60.673636] RAX: ffffffffffffffda RBX:<4>[ 64.442862] entry_SYSCALL_64_after_hwframe+0x61/0xc6 0000000000000009 RCX: 00007fa15a189833 # [ 60.681875] RDX: 0<4>[ 64.454962] RIP: 0033:0x7fcd9873f833 000000000000009 RSI: 00007fa15a07c000 RDI: 0000000000000001 # [<4>[ 64.465451] Code: 8b 15 61 26 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 60.690115] RBP: 00007fa15a07c000 R08: 00007fa15a07b010 R09: 0<4>[ 64.492961] RSP: 002b:00007ffca25f9298 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 000000000000000 # [ 60.698357] R10: fffffffffffffbc5 R11: 000<4>[ 64.507864] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fcd9873f833 0000000000246 R12: 0000000000000001 # [ 60.706598] R13: 00000<4>[ 64.522324] RDX: 0000000000000016 RSI: 00007fcd98632000 RDI: 0000000000000001 00000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 6<4>[ 64.536771] RBP: 00007fcd98632000 R08: 00007fcd98631010 R09: 0000000000000000 0.714849] Modules linked in: fuse ip_tables cros_usbpd_logger cr<4>[ 64.551235] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 os_ec_debugfs uvcvideo cros_ec_lightbar cros_ec_sysfs videobuf2_<4>[ 64.565721] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 vmalloc cros_usbpd_charger cros_ec_chardev videobuf2_memops vide<4>[ 64.580179] irq event stamp: 0 obuf2_v4l2 snd_soc_da7219 snd_soc_max98357a gsmi cros_ec_dev x86<4>[ 64.590097] hardirqs last enabled at (0): [<0000000000000000>] 0x0 _pkg_temp_thermal videobuf2_common snd_soc_core snd_compress cro<4>[ 64.603585] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 s_usbpd_notify i2c_hid snd_pcm_dmaengine regmap_i2c chromeos_pst<4>[ 64.619234] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 ore coreboot_table # [ 60.754842] CR2: ffffffff8977e530 # [ <4>[ 64.634849] softirqs last disabled at (0): [<0000000000000000>] 0x0 60.758817] ---[ end trace 388eb702d368970b ]--- # [ 60.7642<4>[ 64.648350] ---[ end trace 388eb702d368970f ]--- 55] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 60.768915] Code: 89 ff e<6>[ 64.660016] lkdtm: Overflow detected: saturated 8 fe f0 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 20 46 e9 02 # [ 60.790128] RSP: 0018:ffff9a878129fe60 EFLAGS: 00010286 # [ 60.796240] RAX: ffffffff88778590 RBX: 0000000000000001 RCX: 0000000000000000 # [ 60.804483] RDX: 0000000000000000 RSI: ffff91073bc9bf70 RDI: ffffffff8977e0b0 # [ 60.812730] RBP: ffffffff89c5c448 R08: 0000000000000001 R09: 0000000000000001 # [ 60.820974] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 60.829220] R13: ffff9a878129ff10 R14: ffff9a878129ff10 R15: ffff9106c5f0c000 # [ 60.837468] FS: 00007fa15a273580(0000) GS:ffff91073bd80000(0000) knlGS:0000000000000000 # [ 60.846781] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 60.853478] CR2: ffffffff8977e530 CR3: 0000000103ca0000 CR4: 00000000003506e0 # [ 60.861729] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 60.871914] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1861, name: cat # [ 60.880642] INFO: lockdep is turned off. # [ 60.885305] irq event stamp: 0 # [ 60.888998] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 60.896280] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 60.905688] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 60.915098] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 60.922378] CPU: 3 PID: 1861 Comm: cat Tainted: G D W 5.10.178-cip31 #1 # [ 60.931300] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 60.938187] Call Trace: # [ 60.941210] dump_stack+0x77/0x9b # [ 60.945201] ___might_sleep.cold+0xa6/0xb6 # [ 60.950063] exit_signals+0x1c/0x300 # [ 60.954342] do_exit+0xc2/0xab0 # [ 60.958136] ? ksys_write+0x68/0xf0 # [ 60.962319] make_task_dead+0x2f/0x30 # [ 60.966692] rewind_stack_and_make_dead+0x17/0x20 # [ 60.972227] RIP: 0033:0x7fa15a189833 # [ 60.976503] Code: 8b 15 61 26 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 # [ 60.997726] RSP: 002b:00007ffe4db76428 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 61.006452] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007fa15a189833 # [ 61.014694] RDX: 0000000000000009 RSI: 00007fa15a07c000 RDI: 0000000000000001 # [ 61.022936] RBP: 00007fa15a07c000 R08: 00007fa15a07b010 R09: 0000000000000000 # [ 61.031182] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 61.039428] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # WRITE_RO: saw 'call trace:': ok ok 39 selftests: lkdtm: WRITE_RO.sh # selftests: lkdtm: WRITE_RO_AFTER_INIT.sh # Killed # [ 61.389929] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT # [ 61.401673] lkdtm: attempting bad ro_after_init write at ffffffff89c7d330 # [ 61.409594] BUG: unable to handle page fault for address: ffffffff89c7d330 # [ 61.423733] #PF: supervisor write access in kernel mode # [ 61.429851] #PF: error_code(0x0003) - permissions violation # [ 61.436349] PGD 32829067 P4D 32829067 PUD 3282a063 PMD 10005d163 PTE 800000003267d061 # [ 61.<6>[ 64.994047] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW 451575] Oops: 0003 [#15] SMP PTI # [ 61.455853] CPU: 2 PID: 1<6>[ 65.008128] lkdtm: attempting bad refcount_inc_not_zero() overflow 896 Comm: cat Tainted: G D W 5.10.178-cip31 #1 # [<4>[ 65.021533] ------------[ cut here ]------------ 61.470883] Hardware name: Google Coral/Coral, BIOS 09/29/202<4>[ 65.033155] refcount_t: saturated; leaking memory. 0 # [ 61.477780] RIP: 0010:lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5<4>[ 65.045060] WARNING: CPU: 3 PID: 2030 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 a # [ 61.484094] Code: 8d bf 89 e9 21 da fb ff 48 c7 c7 f0 8d<4>[ 65.061015] Modules linked in: fuse ip_tables cros_usbpd_logger cros_ec_debugfs uvcvideo cros_ec_lightbar cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger cros_ec_chardev videobuf2_memops videobuf2_v4l2 snd_soc_da7219 snd_soc_max98357a gsmi cros_ec_dev x86_pkg_temp_thermal videobuf2_common snd_soc_core snd_compress cros_usbpd_notify i2c_hid snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table bf 89 e8 15 da fb ff 48 8b 05 dd 3c e7 00 ba 34 12 cd ab 48 c7 <4>[ 65.107162] CPU: 3 PID: 2030 Comm: cat Tainted: G D W 5.10.178-cip31 #1 c7 98 8d bf 89 48 31 d0 <48> 89 05 c7 3c e7 00 e9 f3 d9 fb ff 0f<4>[ 65.122245] Hardware name: Google Coral/Coral, BIOS 09/29/2020 1f 44 00 00 41 54 48 c7 c7 # [ 61.505329] RSP: 0018:ffff9a87<4>[ 65.135408] RIP: 0010:refcount_warn_saturate+0x97/0x110 824d7e60 EFLAGS: 00010202 # [ 61.511445] RAX: 00000000fe67479<4>[ 65.147707] Code: 01 01 e8 35 b3 c0 00 0f 0b c3 cc cc cc cc 80 3d 6c f7 f6 01 00 75 a8 48 c7 c7 d8 2f b5 89 c6 05 5c f7 f6 01 01 e8 12 b3 c0 00 <0f> 0b c3 cc cc cc cc 80 3d 46 f7 f6 01 00 75 85 48 c7 c7 30 30 b5 e RBX: 0000000000000029 RCX: 0000000000000000 # [ 61.519692] <4>[ 65.175163] RSP: 0018:ffff9a87826afe38 EFLAGS: 00010282 RDX: 00000000abcd1234 RSI: ffff91073bd1bf70 RDI: ffffffff89bf8d9<4>[ 65.187478] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 8 # [ 61.527937] RBP: ffffffff89bf7f8e R08: 0000000000000000 <4>[ 65.201966] RDX: ffff91073bdac660 RSI: ffff91073bd9bf70 RDI: ffff91073bd9bf70 R09: 0000000000000000 # [ 61.536180] R10: 00000000ffffe000 R1<4>[ 65.216406] RBP: ffffffff89bf7c00 R08: 0000000000000000 R09: 0000000000000000 1: 3fffffffffffffff R12: 0000000000000014 # [ 61.544426] R13:<4>[ 65.230877] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f ffff9a87824d7f10 R14: ffff9a87824d7f10 R15: ffff9106c274c000 #<4>[ 65.245324] R13: ffff9a87826aff10 R14: ffff9a87826aff10 R15: ffff9106c5d8a000 [ 61.552672] FS: 00007fbf11cc8580(0000) GS:ffff91073bd00000(<4>[ 65.259806] FS: 00007f529ed48580(0000) GS:ffff91073bd80000(0000) knlGS:0000000000000000 0000) knlGS:0000000000000000 # [ 61.561983] CS: 0010 DS: 000<4>[ 65.275322] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 0 ES: 0000 CR0: 0000000080050033 # [ 61.568679] CR2: ffffffff<4>[ 65.288293] CR2: 00007f529eb51000 CR3: 000000010274c000 CR4: 00000000003506e0 89c7d330 CR3: 000000010288e000 CR4: 00000000003506e0 # [ 61.5<4>[ 65.302992] Call Trace: 76922] Call Trace: # [ 61.579946] direct_entry.cold+0x2c/0x3<4>[ 65.312017] __refcount_add_not_zero.constprop.0+0x2a/0x35 8 # [ 61.584618] full_proxy_write+0x56/0x80 # [ 61.589187<4>[ 65.324765] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x76 ] vfs_write+0xea/0x3b0 # [ 61.593175] ksys_write+0x68/0xf0 <4>[ 65.337420] direct_entry.cold+0x2c/0x38 # [ 61.597154] do_syscall_64+0x33/0x40 # [ 61.601433] en<4>[ 65.348290] full_proxy_write+0x56/0x80 try_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 61.607356] RIP: 00<4>[ 65.358996] vfs_write+0xea/0x3b0 33:0x7fbf11bde833 # [ 61.617824] Code: 8b 15 61 26 0e 00 f7 d<4>[ 65.369219] ksys_write+0x68/0xf0 8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00<4>[ 65.379393] do_syscall_64+0x33/0x40 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 5<4>[ 65.389895] entry_SYSCALL_64_after_hwframe+0x61/0xc6 5 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 61.639053] RS<4>[ 65.402033] RIP: 0033:0x7f529ec5e833 P: 002b:00007ffd5bbca478 EFLAGS: 00000246 ORIG_RAX: 000000000000<4>[ 65.412538] Code: 8b 15 61 26 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 0001 # [ 61.647784] RAX: ffffffffffffffda RBX: 00000000000000<4>[ 65.439972] RSP: 002b:00007fffd4cd21b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 14 RCX: 00007fbf11bde833 # [ 61.656025] RDX: 0000000000000014<4>[ 65.454959] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f529ec5e833 RSI: 00007fbf11ad1000 RDI: 0000000000000001 # [ 61.664267] R<4>[ 65.469429] RDX: 000000000000001f RSI: 00007f529eb51000 RDI: 0000000000000001 BP: 00007fbf11ad1000 R08: 00007fbf11ad0010 R09: 0000000000000000<4>[ 65.483914] RBP: 00007f529eb51000 R08: 00007f529eb50010 R09: 0000000000000000 # [ 61.672514] R10: fffffffffffffbc5 R11: 0000000000000246 R<4>[ 65.498384] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 12: 0000000000000001 # [ 61.680759] R13: 0000000000000001 R14<4>[ 65.512844] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 : 0000000000020000 R15: 0000000000020000 # [ 61.689013] Modul<4>[ 65.527293] irq event stamp: 0 es linked in: fuse ip_tables cros_usbpd_logger cros_ec_debugfs u<4>[ 65.537132] hardirqs last enabled at (0): [<0000000000000000>] 0x0 vcvideo cros_ec_lightbar cros_ec_sysfs videobuf2_vmalloc cros_us<4>[ 65.550688] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 bpd_charger cros_ec_chardev videobuf2_memops videobuf2_v4l2 snd_<4>[ 65.566259] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 soc_da7219 snd_soc_max98357a gsmi cros_ec_dev x86_pkg_temp_therm<4>[ 65.581910] softirqs last disabled at (0): [<0000000000000000>] 0x0 al videobuf2_common snd_soc_core snd_compress cros_usbpd_notify <4>[ 65.595402] ---[ end trace 388eb702d3689710 ]--- i2c_hid snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_ta<6>[ 65.607082] lkdtm: Overflow detected: saturated ble # [ 61.735182] CR2: ffffffff89c7d330 # [ 61.739168] ---[ end trace 388eb702d368970c ]--- # [ 61.744608] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 61.749269] Code: 89 ff e8 fe f0 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 20 46 e9 02 # [ 61.770487] RSP: 0018:ffff9a878129fe60 EFLAGS: 00010286 # [ 61.776602] RAX: ffffffff88778590 RBX: 0000000000000001 RCX: 0000000000000000 # [ 61.784848] RDX: 0000000000000000 RSI: ffff91073bc9bf70 RDI: ffffffff8977e0b0 # [ 61.793091] RBP: ffffffff89c5c448 R08: 0000000000000001 R09: 0000000000000001 # [ 61.801335] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 61.809578] R13: ffff9a878129ff10 R14: ffff9a878129ff10 R15: ffff9106c5f0c000 # [ 61.817823] FS: 00007fbf11cc8580(0000) GS:ffff91073bd00000(0000) knlGS:0000000000000000 # [ 61.827132] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 61.833822] CR2: ffffffff89c7d330 CR3: 000000010288e000 CR4: 00000000003506e0 # [ 61.842065] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 61.852245] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1896, name: cat # [ 61.860971] INFO: lockdep is turned off. # [ 61.865632] irq event stamp: 0 # [ 61.869327] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 61.876606] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 61.886013] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 61.895421] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 61.902702] CPU: 2 PID: 1896 Comm: cat Tainted: G D W 5.10.178-cip31 #1 # [ 61.911626] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 61.918512] Call Trace: # [ 61.921535] dump_stack+0x77/0x9b # [ 61.925522] ___might_sleep.cold+0xa6/0xb6 # [ 61.930390] exit_signals+0x1c/0x300 # [ 61.934671] do_exit+0xc2/0xab0 # [ 61.938467] ? ksys_write+0x68/0xf0 # [ 61.942652] make_task_dead+0x2f/0x30 # [ 61.947029] rewind_stack_and_make_dead+0x17/0x20 # [ 61.952565] RIP: 0033:0x7fbf11bde833 # [ 61.956845] Code: 8b 15 61 26 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 # [ 61.978061] RSP: 002b:00007ffd5bbca478 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 61.986794] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007fbf11bde833 # [ 61.995031] RDX: 0000000000000014 RSI: 00007fbf11ad1000 RDI: 0000000000000001 # [ 62.003271] RBP: 00007fbf11ad1000 R08: 00007fbf11ad0010 R09: 0000000000000000 # [ 62.011508] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 62.019746] 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 # [ 62.356115] lkdtm: Performing direct entry WRITE_KERN # [ 62.362569] lkdtm: attempting bad 6884371 byte write at ffffffff88e09573 # [ 62.376569] BUG: unable to handle page fault for address: ffffffff88e09573 # [ 62.390686] #PF: supervisor write access in kernel mode # [ 62.396805] #PF: error_code(0x0003) - permissi<6>[ 65.949486] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW ons violation # [ 62.403310] PGD 32829067 P4D 32829067 PUD 32<6>[ 65.961434] lkdtm: attempting bad refcount_add_not_zero() overflow 82a063 PMD 318001e1 # [ 62.410314] Oops: 0003 [#16] SMP PTI <4>[ 65.974813] ------------[ cut here ]------------ # [ 62.414594] CPU: 3 PID: 1931 Comm: cat Tainted: G D W<4>[ 65.986512] refcount_t: saturated; leaking memory. 5.10.178-cip31 #1 # [ 62.423521] Hardware name: Goog<4>[ 65.998453] WARNING: CPU: 3 PID: 2062 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 le Coral/Coral, BIOS 09/29/2020 # [ 62.430428] RIP: 0010:lkd<4>[ 66.014296] Modules linked in: fuse ip_tables cros_usbpd_logger cros_ec_debugfs uvcvideo cros_ec_lightbar cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger cros_ec_chardev videobuf2_memops videobuf2_v4l2 snd_soc_da7219 snd_soc_max98357a gsmi cros_ec_dev x86_pkg_temp_thermal videobuf2_common snd_soc_core snd_compress cros_usbpd_notify i2c_hid snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table tm_WRITE_KERN+0x38/0x4e # [ 62.435873] Code: 53 48 c7 c3 73 9<4>[ 66.060441] CPU: 3 PID: 2062 Comm: cat Tainted: G D W 5.10.178-cip31 #1 5 e0 88 49 89 dc 48 89 da 49 81 ec 60 89 77 88 4c 89 e6 e8 c8 d9<4>[ 66.075565] Hardware name: Google Coral/Coral, BIOS 09/29/2020 fb ff 48 89 df 4c 89 e1 48 c7 c6 60 89 77 88 a4 48 c7 c7 9<4>[ 66.088683] RIP: 0010:refcount_warn_saturate+0x97/0x110 8 8d bf 89 e8 ad d9 fb ff 5b 41 5c e9 b7 fe ff ff # [ 62.4571<4>[ 66.101044] Code: 01 01 e8 35 b3 c0 00 0f 0b c3 cc cc cc cc 80 3d 6c f7 f6 01 00 75 a8 48 c7 c7 d8 2f b5 89 c6 05 5c f7 f6 01 01 e8 12 b3 c0 00 <0f> 0b c3 cc cc cc cc 80 3d 46 f7 f6 01 00 75 85 48 c7 c7 30 30 b5 16] RSP: 0018:ffff9a878252fe50 EFLAGS: 00010246 # [ 62.463236<4>[ 66.128502] RSP: 0018:ffff9a878270fe38 EFLAGS: 00010282 ] RAX: 000000000000003c RBX: ffffffff88e09573 RCX: 0000000000690<4>[ 66.140821] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 c13 # [ 62.471485] RDX: 0000000000000000 RSI: ffffffff8877896<4>[ 66.155319] RDX: ffff91073bdac660 RSI: ffff91073bd9bf70 RDI: ffff91073bd9bf70 0 RDI: ffffffff88e09573 # [ 62.479737] RBP: ffffffff89bf7fa2 <4>[ 66.169776] RBP: ffffffff89bf7c20 R08: 0000000000000000 R09: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 # [ 62.487988] R1<4>[ 66.184255] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f 0: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000690c13 <4>[ 66.198758] R13: ffff9a878270ff10 R14: ffff9a878270ff10 R15: ffff9106c5d09000 # [ 62.496237] R13: ffff9a878252ff10 R14: ffff9a878252ff10 R1<4>[ 66.213220] FS: 00007f27074d2580(0000) GS:ffff91073bd80000(0000) knlGS:0000000000000000 5: ffff9106c3db7000 # [ 62.504493] FS: 00007fc694961580(0000<4>[ 66.228772] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 ) GS:ffff91073bd80000(0000) knlGS:0000000000000000 # [ 62.513<4>[ 66.241669] CR2: 00007f27072db000 CR3: 0000000106a8a000 CR4: 00000000003506e0 807] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 62<4>[ 66.256193] Call Trace: .520505] CR2: ffffffff88e09573 CR3: 0000000106a58000 CR4: 000000<4>[ 66.265706] __refcount_add_not_zero.constprop.0+0x2a/0x35 00003506e0 # [ 62.528753] Call Trace: # [ 62.531780] dire<4>[ 66.278085] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x76 ct_entry.cold+0x2c/0x38 # [ 62.536452] full_proxy_write+0x56<4>[ 66.290947] direct_entry.cold+0x2c/0x38 /0x80 # [ 62.541028] vfs_write+0xea/0x3b0 # [ 62.545018] <4>[ 66.301778] full_proxy_write+0x56/0x80 ksys_write+0x68/0xf0 # [ 62.549010] do_syscall_64+0x33/0x40<4>[ 66.312539] vfs_write+0xea/0x3b0 # [ 62.553289] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # <4>[ 66.322636] ksys_write+0x68/0xf0 [ 62.559215] RIP: 0033:0x7fc694877833 # [ 62.563492] Code: <4>[ 66.332944] do_syscall_64+0x33/0x40 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1<4>[ 66.343330] entry_SYSCALL_64_after_hwframe+0x61/0xc6 f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <4<4>[ 66.355527] RIP: 0033:0x7f27073e8833 8> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 1<4>[ 66.366046] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 8 # [ 62.584721] RSP: 002b:00007ffdf8d265b8 EFLAGS: 00000246 <4>[ 66.393522] RSP: 002b:00007ffe1a09a688 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 ORIG_RAX: 0000000000000001 # [ 62.593457] RAX: ffffffffffffff<4>[ 66.408501] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f27073e8833 da RBX: 000000000000000b RCX: 00007fc694877833 # [ 62.601703]<4>[ 66.422914] RDX: 000000000000001f RSI: 00007f27072db000 RDI: 0000000000000001 RDX: 000000000000000b RSI: 00007fc69476a000 RDI: 00000000000000<4>[ 66.437394] RBP: 00007f27072db000 R08: 00007f27072da010 R09: 0000000000000000 01 # [ 62.609949] RBP: 00007fc69476a000 R08: 00007fc694769010<4>[ 66.451834] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 R09: 0000000000000000 # [ 62.618190] R10: fffffffffffffbc5 R<4>[ 66.466312] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 11: 0000000000000246 R12: 0000000000000001 # [ 62.626432] R13<4>[ 66.480808] irq event stamp: 0 : 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 66.490598] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 62.634687] Modules linked in: fuse ip_tables cros_usbpd_lo<4>[ 66.504242] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 gger cros_ec_debugfs uvcvideo cros_ec_lightbar cros_ec_sysfs vid<4>[ 66.519704] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 eobuf2_vmalloc cros_usbpd_charger cros_ec_chardev videobuf2_memo<4>[ 66.535435] softirqs last disabled at (0): [<0000000000000000>] 0x0 ps videobuf2_v4l2 snd_soc_da7219 snd_soc_max98357a gsmi cros_ec_<4>[ 66.548952] ---[ end trace 388eb702d3689711 ]--- dev x86_pkg_temp_thermal videobuf2_common snd_soc_core snd_compr<6>[ 66.560601] lkdtm: Overflow detected: saturated ess cros_usbpd_notify i2c_hid snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 62.674688] CR2: ffffffff88e09573 # [ 62.678676] ---[ end trace 388eb702d368970d ]--- # [ 62.684118] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 62.688782] Code: 89 ff e8 fe f0 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 20 46 e9 02 # [ 62.710008] RSP: 0018:ffff9a878129fe60 EFLAGS: 00010286 # [ 62.716120] RAX: ffffffff88778590 RBX: 0000000000000001 RCX: 0000000000000000 # [ 62.724363] RDX: 0000000000000000 RSI: ffff91073bc9bf70 RDI: ffffffff8977e0b0 # [ 62.732603] RBP: ffffffff89c5c448 R08: 0000000000000001 R09: 0000000000000001 # [ 62.740840] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 62.749078] R13: ffff9a878129ff10 R14: ffff9a878129ff10 R15: ffff9106c5f0c000 # [ 62.757324] FS: 00007fc694961580(0000) GS:ffff91073bd80000(0000) knlGS:0000000000000000 # [ 62.766634] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 62.773328] CR2: ffffffff88e09573 CR3: 0000000106a58000 CR4: 00000000003506e0 # [ 62.781573] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 62.791745] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1931, name: cat # [ 62.800471] INFO: lockdep is turned off. # [ 62.805131] irq event stamp: 0 # [ 62.808825] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 62.816106] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 62.825513] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 62.834922] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 62.842198] CPU: 3 PID: 1931 Comm: cat Tainted: G D W 5.10.178-cip31 #1 # [ 62.851118] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 62.858009] Call Trace: # [ 62.861035] dump_stack+0x77/0x9b # [ 62.865026] ___might_sleep.cold+0xa6/0xb6 # [ 62.869889] exit_signals+0x1c/0x300 # [ 62.874167] do_exit+0xc2/0xab0 # [ 62.877963] ? ksys_write+0x68/0xf0 # [ 62.882148] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 # [ 62.887878] make_task_dead+0x2f/0x30 # [ 62.892253] rewind_stack_and_make_dead+0x17/0x20 # [ 62.897779] RIP: 0033:0x7fc694877833 # [ 62.902057] Code: 8b 15 61 26 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 # [ 62.923276] RSP: 002b:00007ffdf8d265b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 62.932011] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007fc694877833 # [ 62.940257] RDX: 000000000000000b RSI: 00007fc69476a000 RDI: 0000000000000001 # [ 62.948503] RBP: 00007fc69476a000 R08: 00007fc694769010 R09: 0000000000000000 # [ 62.956749] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 62.964995] 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 # [ 63.359696] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW # [ 63.370902] lkdtm: attempting good refcount_inc() without overflow<6>[ 66.897025] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO # [ 63.378120] lkdtm: attempting bad refcount_inc() overflow<6>[ 66.907386] lkdtm: attempting good refcount_dec() # [ 63.384455] ------------[ cut here ]------------ # [ 6<6>[ 66.919141] lkdtm: attempting bad refcount_dec() to zero <4>[ 66.931551] ------------[ cut here ]------------ <4>[ 66.937016] refcount_t: decrement hit 0; leaking memory. 3.389914] refcount_t: saturated; leaking memory. # [ 63.40181<4>[ 66.943310] WARNING: CPU: 1 PID: 2094 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 4] WARNING: CPU: 2 PID: 1966 at lib/refcount.c:22 refcount_warn_<4>[ 66.959208] Modules linked in: fuse ip_tables cros_usbpd_logger cros_ec_debugfs uvcvideo cros_ec_lightbar cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger cros_ec_chardev videobuf2_memops videobuf2_v4l2 snd_soc_da7219 snd_soc_max98357a gsmi cros_ec_dev x86_pkg_temp_thermal videobuf2_common snd_soc_core snd_compress cros_usbpd_notify i2c_hid snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table saturate+0x51/0x110 # [ 63.417655] Modules linked in: fuse ip<4>[ 67.005445] CPU: 1 PID: 2094 Comm: cat Tainted: G D W 5.10.178-cip31 #1 _tables cros_usbpd_logger cros_ec_debugfs uvcvideo cros_ec_light<4>[ 67.020593] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 67.033707] RIP: 0010:refcount_warn_saturate+0xfb/0x110 <4>[ 67.039851] Code: 88 30 b5 89 c6 05 0d f7 f6 01 01 e8 c8 b2 c0 00 0f 0b c3 cc cc cc cc 48 c7 c7 58 30 b5 89 c6 05 f4 f6 f6 01 01 e8 ae b2 c0 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b <4>[ 67.061111] RSP: 0018:ffff9a878278fe48 EFLAGS: 00010286 <4>[ 67.067263] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000 <4>[ 67.075533] RDX: ffff91073bcac660 RSI: ffff91073bc9bf70 RDI: ffff91073bc9bf70 <4>[ 67.083808] RBP: ffffffff89bf7fd9 R08: 0000000000000000 R09: 0000000000000000 <4>[ 67.092081] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 <4>[ 67.100351] R13: ffff9a878278ff10 R14: ffff9a878278ff10 R15: ffff9106c35cf000 <4>[ 67.108624] FS: 00007f918b309580(0000) GS:ffff91073bc80000(0000) knlGS:0000000000000000 <4>[ 67.117965] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 67.124689] CR2: 00007f918b112000 CR3: 0000000105cae000 CR4: 00000000003506e0 <4>[ 67.132961] Call Trace: <4>[ 67.136014] lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xbd bar cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger cros_ec_c<4>[ 67.141288] direct_entry.cold+0x2c/0x38 <4>[ 67.152151] full_proxy_write+0x56/0x80 hardev videobuf2_memops videobuf2_v4l2 snd_soc_da7219 snd_soc_ma<4>[ 67.156743] vfs_write+0xea/0x3b0 <4>[ 67.166928] ksys_write+0x68/0xf0 <4>[ 67.170947] do_syscall_64+0x33/0x40 x98357a gsmi cros_ec_dev x86_pkg_temp_thermal videobuf2_common s<4>[ 67.175252] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 67.187369] RIP: 0033:0x7f918b21f833 nd_soc_core snd_compress cros_usbpd_notify i2c_hid snd_pcm_dmaen<4>[ 67.191678] Code: 8b 15 61 26 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 gine regmap_i2c chromeos_pstore coreboot_table # [ 63.463812]<4>[ 67.219124] RSP: 002b:00007ffd6d42fe38 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 67.234088] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f918b21f833 <4>[ 67.242360] RDX: 0000000000000012 RSI: 00007f918b112000 RDI: 0000000000000001 <4>[ 67.250631] RBP: 00007f918b112000 R08: 00007f918b111010 R09: 0000000000000000 <4>[ 67.258907] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 67.267178] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 67.275460] irq event stamp: 0 <4>[ 67.279185] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 67.286492] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 <4>[ 67.295930] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 <4>[ 67.305368] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 67.312672] ---[ end trace 388eb702d3689712 ]--- <6>[ 67.318135] lkdtm: Zero detected: saturated CPU: 2 PID: 1966 Comm: cat Tainted: G D W 5.10.178-cip31 #1 # [ 63.472808] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 63.479757] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 63.485895] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d b1 f7 f6 01 00 75 ee 48 c7 c7 d8 2f b5 89 c6 05 a1 f7 f6 01 01 e8 58 b3 c0 00 <0f> 0b c3 cc cc cc cc 80 3d 8d f7 f6 01 00 75 cb 48 c7 c7 00 30 b5 # [ 63.507132] RSP: 0018:ffff9a87825bfe48 EFLAGS: 00010286 # [ 63.513267] RAX: 0000000000000000 RBX: 000000000000002b RCX: 0000000000000000 # [ 63.521529] RDX: ffff91073bd2c660 RSI: ffff91073bd1bf70 RDI: ffff91073bd1bf70 # [ 63.529791] RBP: ffffffff89bf7fad R08: 0000000000000000 R09: 0000000000000000 # [ 63.538046] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 63.546305] R13: ffff9a87825bff10 R14: ffff9a87825bff10 R15: ffff9106c5d2a000 # [ 63.554568] FS: 00007fc8a70de580(0000) GS:ffff91073bd00000(0000) knlGS:0000000000000000 # [ 63.563893] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 63.570606] CR2: 00007fc8a6ee7000 CR3: 000000010698a000 CR4: 00000000003506e0 # [ 63.578874] Call Trace: # [ 63.581921] lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x98 # [ 63.587580] direct_entry.cold+0x2c/0x38 # [ 63.592268] full_proxy_write+0x56/0x80 # [ 63.596863] vfs_write+0xea/0x3b0 # [ 63.600864] ksys_write+0x68/0xf0 # [ 63.604877] do_syscall_64+0x33/0x40 # [ 63.609177] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 63.615122] RIP: 0033:0x7fc8a6ff4833 # [ 63.619420] Code: 8b 15 61 26 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 # [ 63.640661] RSP: 002b:00007ffed5557e98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 63.649414] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fc8a6ff4833 # [ 63.657679] RDX: 0000000000000016 RSI: 00007fc8a6ee7000 RDI: 0000000000000001 # [ 63.665945] RBP: 00007fc8a6ee7000 R08: 00007fc8a6ee6010 R09: 0000000000000000 # [ 63.674207] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 63.682471] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 63.690744] irq event stamp: 0 # [ 63.700636] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 63.714133] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 63.723561] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 63.732987] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 63.740276] ---[ end trace 388eb702d368970e ]--- # [ 63.745731] 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 # [ 64.054815] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW # [ 64.062194] lkdtm: attempting good refcount_add() without overflow # [ 64.075576] lkdtm: attempting bad refcount_add() overflow # [ 64.088153] ------------[ cut here ]------------ # [ 64.099977] refcount_t: saturated; leaking memory. # [ 64.112012] WARNING: CPU: 3 PID: 1998 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 64.127562] Modules linked in: fuse ip_tables cros_<6>[ 67.647336] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE usbpd_logger cros_ec_debugfs uvcvideo cros_ec_lightbar cros_ec_s<6>[ 67.658953] lkdtm: attempting bad refcount_dec() below zero ysfs videobuf2_vmalloc cros_usbpd_charger cros_ec_chardev videob<4>[ 67.671690] ------------[ cut here ]------------ uf2_memops videobuf2_v4l2 snd_soc_da7219 snd_soc_max98357a gsmi <4>[ 67.683316] refcount_t: decrement hit 0; leaking memory. cros_ec_dev x86_pkg_temp_thermal videobuf2_common snd_soc_core s<4>[ 67.696069] WARNING: CPU: 3 PID: 2129 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 nd_compress cros_usbpd_notify i2c_hid snd_pcm_dmaengine regmap_i<4>[ 67.711691] Modules linked in: fuse ip_tables cros_usbpd_logger cros_ec_debugfs uvcvideo cros_ec_lightbar cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger cros_ec_chardev videobuf2_memops videobuf2_v4l2 snd_soc_da7219 snd_soc_max98357a gsmi cros_ec_dev x86_pkg_temp_thermal videobuf2_common snd_soc_core snd_compress cros_usbpd_notify i2c_hid snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table 2c chromeos_pstore coreboot_table # [ 64.173830] CPU: 3 PID: <4>[ 67.757973] CPU: 3 PID: 2129 Comm: cat Tainted: G D W 5.10.178-cip31 #1 1998 Comm: cat Tainted: G D W 5.10.178-cip31 #1 # <4>[ 67.773076] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 64.188948] Hardware name: Google Coral/Coral, BIOS 09/29/20<4>[ 67.786139] RIP: 0010:refcount_warn_saturate+0xfb/0x110 20 # [ 64.202064] RIP: 0010:refcount_warn_saturate+0x51/0x110<4>[ 67.798372] Code: 88 30 b5 89 c6 05 0d f7 f6 01 01 e8 c8 b2 c0 00 0f 0b c3 cc cc cc cc 48 c7 c7 58 30 b5 89 c6 05 f4 f6 f6 01 01 e8 ae b2 c0 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 64.214258] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 <4>[ 67.825904] RSP: 0018:ffff9a8782817e48 EFLAGS: 00010286 46 80 3d b1 f7 f6 01 00 75 ee 48 c7 c7 d8 2f b5 89 c6 05 a1 f7 f<4>[ 67.838180] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000 6 01 01 e8 58 b3 c0 00 <0f> 0b c3 cc cc cc cc 80 3d 8d f7 f6 01 <4>[ 67.852637] RDX: ffff91073bdac660 RSI: ffff91073bd9bf70 RDI: ffff91073bd9bf70 00 75 cb 48 c7 c7 00 30 b5 # [ 64.241813] RSP: 0018:ffff9a878<4>[ 67.867077] RBP: ffffffff89bf7feb R08: 0000000000000000 R09: 0000000000000000 2627e48 EFLAGS: 00010286 # [ 64.254063] RAX: 0000000000000000<4>[ 67.881578] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 RBX: 000000000000002c RCX: 0000000000000000 # [ 64.268530] R<4>[ 67.895995] R13: ffff9a8782817f10 R14: ffff9a8782817f10 R15: ffff9106c3de9000 DX: ffff91073bdac660 RSI: ffff91073bd9bf70 RDI: ffff91073bd9bf70<4>[ 67.910483] FS: 00007fb1a4243580(0000) GS:ffff91073bd80000(0000) knlGS:0000000000000000 # [ 64.282974] RBP: ffffffff89bf7fc3 R08: 0000000000000000 R<4>[ 67.925978] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 09: 0000000000000000 # [ 64.297463] R10: 00000000ffffe000 R11<4>[ 67.938903] CR2: 00007fb1a404c000 CR3: 00000001035ae000 CR4: 00000000003506e0 : 3fffffffffffffff R12: 0000000000000016 # [ 64.311894] R13: <4>[ 67.953324] Call Trace: ffff9a8782627f10 R14: ffff9a8782627f10 R15: ffff9106c5e8a000 # <4>[ 67.962583] lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x61 [ 64.326405] FS: 00007fcd98829580(0000) GS:ffff91073bd80000(0<4>[ 67.974382] direct_entry.cold+0x2c/0x38 000) knlGS:0000000000000000 # [ 64.341898] CS: 0010 DS: 0000<4>[ 67.985283] full_proxy_write+0x56/0x80 ES: 0000 CR0: 0000000080050033 # [ 64.354805] CR2: 00007fcd9<4>[ 67.996104] vfs_write+0xea/0x3b0 8632000 CR3: 0000000105cae000 CR4: 00000000003506e0 # [ 64.36<4>[ 68.006246] ksys_write+0x68/0xf0 9245] Call Trace: # [ 64.378549] lkdtm_REFCOUNT_ADD_OVERFLOW<4>[ 68.016482] do_syscall_64+0x33/0x40 +0x7f/0xa7 # [ 64.390308] direct_entry.cold+0x2c/0x38 # [ <4>[ 68.026895] entry_SYSCALL_64_after_hwframe+0x61/0xc6 64.401158] full_proxy_write+0x56/0x80 # [ 64.412023] vfs_w<4>[ 68.039184] RIP: 0033:0x7fb1a4159833 rite+0xea/0x3b0 # [ 64.422143] ksys_write+0x68/0xf0 # [ 6<4>[ 68.049577] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 4.432319] do_syscall_64+0x33/0x40 # [ 64.442862] entry_SYSC<4>[ 68.076994] RSP: 002b:00007fff1691aa78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 ALL_64_after_hwframe+0x61/0xc6 # [ 64.454962] RIP: 0033:0x7fc<4>[ 68.091868] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fb1a4159833 d9873f833 # [ 64.465451] Code: 8b 15 61 26 0e 00 f7 d8 64 89 <4>[ 68.106325] RDX: 0000000000000016 RSI: 00007fb1a404c000 RDI: 0000000000000001 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 8<4>[ 68.120764] RBP: 00007fb1a404c000 R08: 00007fb1a404b010 R09: 0000000000000000 5 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f <4>[ 68.135255] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 64.492961] RSP: 002b:<4>[ 68.149680] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 00007ffca25f9298 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # <4>[ 68.164213] irq event stamp: 0 [ 64.507864] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: <4>[ 68.174086] hardirqs last enabled at (0): [<0000000000000000>] 0x0 00007fcd9873f833 # [ 64.522324] RDX: 0000000000000016 RSI: 00<4>[ 68.187551] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 007fcd98632000 RDI: 0000000000000001 # [ 64.536771] RBP: 0000<4>[ 68.203147] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 7fcd98632000 R08: 00007fcd98631010 R09: 0000000000000000 # [ <4>[ 68.218775] softirqs last disabled at (0): [<0000000000000000>] 0x0 64.551235] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000<4>[ 68.232243] ---[ end trace 388eb702d3689713 ]--- 000000000001 # [ 64.565721] R13: 0000000000000001 R14: 000000<6>[ 68.243900] lkdtm: Negative detected: saturated 0000020000 R15: 0000000000020000 # [ 64.580179] irq event stamp: 0 # [ 64.590097] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 64.603585] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 64.619234] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 64.634849] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 64.648350] ---[ end trace 388eb702d368970f ]--- # [ 64.660016] 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 # [ 64.994047] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW # [ 65.008128] lkdtm: attempting bad refcount_inc_not_zero() overflow # [ 65.021533] ------------[ cut here ]------------ # [ 65.033155] refcount_t: saturated; leaking memory. # [ 65.045060] WARNING: CPU: 3 PID: 2030 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 65.061015] Modules linked in: fuse ip_tables cros_usbpd_logger cros_ec_debugfs uvcvideo cros_ec_lightbar cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger cros_ec_chardev videobuf2_memops videobuf2_v4l2 snd_soc_da7219 snd_soc_max98357a gsmi cros_ec_dev x86_pkg_temp_thermal videobuf2_common snd_soc_core snd_compress cros_usbpd_notify i2c_hid snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 65.107162] CPU: 3 PID: 2030 Comm: cat Tainted: G D W 5.10.178-cip31 #1 # [ 65.122245] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 65.135408] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 65.147707] Code: 01 01 e8 35 b3 c0 00 0f 0b c3 cc cc cc cc 80 3d 6c f7 f6 01 00 75 a8 48 c7 c7 d8 2f b5 89 c6 05 5c f7 f6 01 01 e8 12 b3 c0 00 <0f> 0b c3 cc cc cc cc 80 3d 46 f7 f6 01 00 75 85 48 c7 c7 30 30 b5 # [ 65.175163] RSP: 0018:ffff9a87826afe38 EFLAGS: 00010282 # [ 65.187478] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 # [ 65.201966] RDX: ffff91073bdac660 RSI: ffff91073bd9bf70 RDI: ffff91073bd9bf70 # [ 65.216406] RBP: ffffffff89bf7c00 R08: 0000000000000000 R09: 0000000000000000 # [ 65.230877] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 65.245324] R13: ffff9a87826aff10 R14: ffff9a87826aff10 R15: ffff9106c5d8a000 # [ 65.259806] FS: 00007f529ed48580(0000) GS:ffff91073bd80000(0000) knlGS:0000000000000000 # [ 65.275322] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 65.288293] CR2: 00007f529eb51000 CR3: 000000010274c000 CR4: 00000000003506e0 # [ 65.302992] Call Trace: # [ 65.312017] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 65.324765] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x76 # [ 65.337420] direct_entry.cold+0x2c/0x38 # [ 65.348290] full_proxy_write+0x56/0x80 # [ 65.358996] vfs_write+0xea/0x3b0 # [ 65.369219] ksys_write+0x68/0xf0 # [ 65.379393] do_syscall_64+0x33/0x40 # [ 65.389895] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 65.402033] RIP: 0033:0x7f529ec5e833 # [ 65.412538] Code: 8b 15 61 26 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 # [ 65.439972] RSP: 002b:00007fffd4cd21b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 65.454959] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f529ec5e833 # [ 65.469429] RDX: 000000000000001f RSI: 00007f529eb51000 RDI: 0000000000000001 # [ 65.483914] RBP: 00007f529eb51000 R08: 00007f529eb50010 R09: 0000000000000000 # [ 65.498384] R10: fffffffffffffbc5 R11: 00000000000<6>[ 68.613405] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE <6>[ 68.622891] lkdtm: attempting bad refcount_dec_and_test() below zero <4>[ 68.630309] ------------[ cut here ]------------ <4>[ 68.635770] refcount_t: underflow; use-after-free. 00246 R12: 0000000000000001 # [ 65.512844] R13: 0000000000000<4>[ 68.641474] WARNING: CPU: 0 PID: 2164 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 001 R14: 0000000000020000 R15: 0000000000020000 # [ 65.527293<4>[ 68.657359] Modules linked in: fuse ip_tables cros_usbpd_logger cros_ec_debugfs uvcvideo cros_ec_lightbar cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger cros_ec_chardev videobuf2_memops videobuf2_v4l2 snd_soc_da7219 snd_soc_max98357a gsmi cros_ec_dev x86_pkg_temp_thermal videobuf2_common snd_soc_core snd_compress cros_usbpd_notify i2c_hid snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table <4>[ 68.703567] CPU: 0 PID: 2164 Comm: cat Tainted: G D W 5.10.178-cip31 #1 <4>[ 68.712523] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 68.719441] RIP: 0010:refcount_warn_saturate+0xba/0x110 <4>[ 68.725589] Code: 01 01 e8 12 b3 c0 00 0f 0b c3 cc cc cc cc 80 3d 46 f7 f6 01 00 75 85 48 c7 c7 30 30 b5 89 c6 05 36 f7 f6 01 01 e8 ef b2 c0 00 <0f> 0b c3 cc cc cc cc 80 3d 21 f7 f6 01 00 0f 85 5e ff ff ff 48 c7 <4>[ 68.746839] RSP: 0018:ffff9a8782897e40 EFLAGS: 00010286 <4>[ 68.752984] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000 <4>[ 68.761253] RDX: ffff91073bc2c660 RSI: ffff91073bc1bf70 RDI: ffff91073bc1bf70 <4>[ 68.769526] RBP: ffffffff89bf7c40 R08: 0000000000000000 R09: 0000000000000000 <4>[ 68.777795] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f <4>[ 68.786064] R13: ffff9a8782897f10 R14: ffff9a8782897f10 R15: ffff9106c29b9000 <4>[ 68.794331] FS: 00007f0a2749d580(0000) GS:ffff91073bc00000(0000) knlGS:0000000000000000 <4>[ 68.803667] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 68.810382] CR2: 00007f0a272a6000 CR3: 0000000105e16000 CR4: 00000000003506f0 <4>[ 68.818646] Call Trace: <4>[ 68.821697] __refcount_sub_and_test.constprop.0+0x3c/0x50 <4>[ 68.828130] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x78 <4>[ 68.834669] direct_entry.cold+0x2c/0x38 <4>[ 68.839364] full_proxy_write+0x56/0x80 <4>[ 68.843961] vfs_write+0xea/0x3b0 <4>[ 68.847973] ksys_write+0x68/0xf0 <4>[ 68.851988] do_syscall_64+0x33/0x40 <4>[ 68.856294] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 68.862240] RIP: 0033:0x7f0a273b3833 <4>[ 68.866539] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 68.887781] RSP: 002b:00007ffd91745208 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 ] irq event stamp: 0 # [ 65.537132] hardirqs last enabled at<4>[ 68.896544] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f0a273b3833 (0): [<0000000000000000>] 0x0 # [ 65.550688] hardirqs last d<4>[ 68.910983] RDX: 000000000000001f RSI: 00007f0a272a6000 RDI: 0000000000000001 <4>[ 68.925422] RBP: 00007f0a272a6000 R08: 00007f0a272a5010 R09: 0000000000000000 <4>[ 68.933685] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 68.941951] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 68.950236] irq event stamp: 0 <4>[ 68.953957] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 68.961260] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 <4>[ 68.970700] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 <4>[ 68.980137] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 68.987438] ---[ end trace 388eb702d3689714 ]--- <6>[ 68.992895] lkdtm: Negative detected: saturated isabled at (0): [] copy_process+0x664/0x1c60 # [ 65.566259] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 65.581910] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 65.595402] ---[ end trace 388eb702d3689710 ]--- # [ 65.607082] 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 # [ 65.949486] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW # [ 65.961434] lkdtm: attempting bad refcount_add_not_zero() overflow # [ 65.974813] ------------[ cut here ]------------ # [ 65.986512] refcount_t: saturated; leaking memory. # [ 65.998453] WARNING: CPU: 3 PID: 2062 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 66.014296] Modules linked in: fuse ip_tables cros_usbpd_logger cros_ec_debugfs uvcvideo cros_ec_lightbar cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger cros_ec_chardev videobuf2_memops videobuf2_v4l2 snd_soc_da7219 snd_soc_max98357a gsmi cros_ec_dev x86_pkg_temp_thermal videobuf2_common snd_soc_core snd_compress cros_usbpd_notify i2c_hid snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 66.060441] CPU: 3 PID: 2062 Comm: cat Tainted: G D W 5.10.178-cip31 #1 # [ 66.075565] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 66.088683] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 66.101044] Code: 01 01 e8 35 b3 c0 00 0f 0b c3 cc cc cc cc 80 3d 6c f7 f6 01 00 75 a8 48 c7 c7 d8 2f b5 89 c6 05 5c f7 f6 01 01 e8 12 b3 c0 00 <0f> 0b c3 cc cc cc cc 80 3d 46 f7 f6 01 00 75 85 48 c7 c7 30 30 b5 # [ 66.128502] RSP: 0018:ffff9a878270fe38 EFLAGS: 00010282 # [ 66.140821] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 # [ 66.155319] RDX: ffff91073bdac660 RSI: ffff91073bd9bf70 RDI: ffff91073bd9bf70 # [ 66.169776] RBP: ffffffff89bf7c20 R08: 0000000000000000 R09: 0000000000000000 # [ 66.184255] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 66.198758] R13: ffff9a878270ff10 R14: ffff9a878270ff10 R15: ffff9106c5d09000 # [ 66.213220] FS: 00007f27074d2580(0000) GS:ffff91073bd80000(0000) knlGS:0000000000000000 # [ 66.228772] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 66.241669] CR2: 00007f27072db000 CR3: 0000000106a8a000 CR4: 00000000003506e0 # [ 66.256193] Call Trace: # [ 66.265706] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 66.278085] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x76 # [ 66.290947] direct_entry.cold+0x2c/0x38 # [ 66.301778] full_proxy_write+0x56/0x80 # [ 66.312539] vfs_write+0xea/0x3b0 # [ 66.322636] ksys_write+0x68/0xf0 # [ 66.332944] do_syscall_64+0x33/0x40 # [ 66.343330] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 66.355527] RIP: 0033:0x7f27073e8833 # [ 66.366046] Code: 8b 15 61 26 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 # [ 66.393522] RSP: 002b:00007ffe1a09a688 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 66.408501] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f27073e8833 # [ 66.422914] RDX: 000000000000001f RSI: 00007f27072db000 RDI: 0000000000000001 # [ 66.437394] RBP: 00007f27072db000 R08: 00007f27072da010 R09: 0000000000000000 # [ 66.451834] R10: <6>[ 69.337737] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE <6>[ 69.347091] lkdtm: attempting bad refcount_sub_and_test() below zero <4>[ 69.354496] ------------[ cut here ]------------ fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # <4>[ 69.359948] refcount_t: underflow; use-after-free. [ 66.466312] R13: 0000000000000001 R14: 0000000000020000 R15: <4>[ 69.371828] WARNING: CPU: 2 PID: 2199 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 0000000000020000 # [ 66.480808] irq event stamp: 0 # [ 66.<4>[ 69.387674] Modules linked in: fuse ip_tables cros_usbpd_logger cros_ec_debugfs uvcvideo cros_ec_lightbar cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger cros_ec_chardev videobuf2_memops videobuf2_v4l2 snd_soc_da7219 snd_soc_max98357a gsmi cros_ec_dev x86_pkg_temp_thermal videobuf2_common snd_soc_core snd_compress cros_usbpd_notify i2c_hid snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table <4>[ 69.433959] CPU: 2 PID: 2199 Comm: cat Tainted: G D W 5.10.178-cip31 #1 <4>[ 69.442943] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 69.449858] RIP: 0010:refcount_warn_saturate+0xba/0x110 <4>[ 69.455997] Code: 01 01 e8 12 b3 c0 00 0f 0b c3 cc cc cc cc 80 3d 46 f7 f6 01 00 75 85 48 c7 c7 30 30 b5 89 c6 05 36 f7 f6 01 01 e8 ef b2 c0 00 <0f> 0b c3 cc cc cc cc 80 3d 21 f7 f6 01 00 0f 85 5e ff ff ff 48 c7 <4>[ 69.477242] RSP: 0018:ffff9a8782927e40 EFLAGS: 00010286 <4>[ 69.483378] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000 <4>[ 69.491640] RDX: ffff91073bd2c660 RSI: ffff91073bd1bf70 RDI: ffff91073bd1bf70 <4>[ 69.499902] RBP: ffffffff89bf7c60 R08: 0000000000000000 R09: 0000000000000000 <4>[ 69.508162] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f <4>[ 69.516426] R13: ffff9a8782927f10 R14: ffff9a8782927f10 R15: ffff9106c6b7e000 <4>[ 69.524688] FS: 00007f9afa1d6580(0000) GS:ffff91073bd00000(0000) knlGS:0000000000000000 <4>[ 69.534016] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 69.540728] CR2: 00007f9af9fdf000 CR3: 00000001069ea000 CR4: 00000000003506e0 <4>[ 69.548989] Call Trace: <4>[ 69.552031] __refcount_sub_and_test.constprop.0+0x3c/0x50 <4>[ 69.558463] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x7b <4>[ 69.564995] direct_entry.cold+0x2c/0x38 <4>[ 69.569676] full_proxy_write+0x56/0x80 <4>[ 69.574260] vfs_write+0xea/0x3b0 <4>[ 69.578270] ksys_write+0x68/0xf0 <4>[ 69.582281] do_syscall_64+0x33/0x40 <4>[ 69.586580] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 69.592523] RIP: 0033:0x7f9afa0ec833 <4>[ 69.596817] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 69.618053] RSP: 002b:00007fff8f7165b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 69.626800] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f9afa0ec833 490598] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 69.635061] RDX: 000000000000001f RSI: 00007f9af9fdf000 RDI: 0000000000000001 # [ 66.504242] hardirqs last disabled at (0): [[ 69.649506] RBP: 00007f9af9fdf000 R08: 00007f9af9fde010 R09: 0000000000000000 <4>[ 69.663959] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 69.672223] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 69.680501] irq event stamp: 0 <4>[ 69.684216] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 69.691517] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 <4>[ 69.700948] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 <4>[ 69.710375] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 69.717656] ---[ end trace 388eb702d3689715 ]--- <6>[ 69.723109] lkdtm: Negative detected: saturated 834>] copy_process+0x664/0x1c60 # [ 66.519704] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 66.535435] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 66.548952] ---[ end trace 388eb702d3689711 ]--- # [ 66.560601] 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 # [ 66.897025] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO # [ 66.907386] lkdtm: attempting good refcount_dec() # [ 66.919141] lkdtm: attempting bad refcount_dec() to zero # [ 66.931551] ------------[ cut here ]------------ # [ 66.937016] refcount_t: decrement hit 0; leaking memory. # [ 66.943310] WARNING: CPU: 1 PID: 2094 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 66.959208] Modules linked in: fuse ip_tables cros_usbpd_logger cros_ec_debugfs uvcvideo cros_ec_lightbar cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger cros_ec_chardev videobuf2_memops videobuf2_v4l2 snd_soc_da7219 snd_soc_max98357a gsmi cros_ec_dev x86_pkg_temp_thermal videobuf2_common snd_soc_core snd_compress cros_usbpd_notify i2c_hid snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 67.005445] CPU: 1 PID: 2094 Comm: cat Tainted: G D W 5.10.178-cip31 #1 # [ 67.020593] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 67.033707] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 67.039851] Code: 88 30 b5 89 c6 05 0d f7 f6 01 01 e8 c8 b2 c0 00 0f 0b c3 cc cc cc cc 48 c7 c7 58 30 b5 89 c6 05 f4 f6 f6 01 01 e8 ae b2 c0 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 67.061111] RSP: 0018:ffff9a878278fe48 EFLAGS: 00010286 # [ 67.067263] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000 # [ 67.075533] RDX: ffff91073bcac660 RSI: ffff91073bc9bf70 RDI: ffff91073bc9bf70 # [ 67.083808] RBP: ffffffff89bf7fd9 R08: 0000000000000000 R09: 0000000000000000 # [ 67.092081] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 67.100351] R13: ffff9a878278ff10 R14: ffff9a878278ff10 R15: ffff9106c35cf000 # [ 67.108624] FS: 00007f918b309580(0000) GS:ffff91073bc80000(0000) knlGS:0000000000000000 # [ 67.117965] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 67.124689] CR2: 00007f918b112000 CR3: 0000000105cae000 CR4: 00000000003506e0 # [ 67.132961] Call Trace: # [ 67.136014] lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xbd # [ 67.141288] direct_entry.cold+0x2c/0x38 # [ 67.152151] full_proxy_write+0x56/0x80 # [ 67.156743] vfs_write+0xea/0x3b0 # [ 67.166928] ksys_write+0x68/0xf0 # [ 67.170947] do_syscall_64+0x33/0x40 # [ 67.175252] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 67.187369] RIP: 0033:0x7f918b21f833 # [ 67.191678] Code: 8b 15 61 26 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 # [ 67.219124] RSP: 002b:00007ffd6d42fe38 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 67.234088] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f918b21f833 # [ 67.242360] RDX: 0000000000000012 RSI: 00007f918b112000 RDI: 0000000000000001 # [ 67.250631] RBP: 00007f918b112000 R08: 00007f918b111010 R09: 0000000000000000 # [ 67.258907] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 67.267178] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 #<6>[ 70.074927] lkdtm: Performing direct entry REFCOUNT_INC_ZERO <6>[ 70.082134] lkdtm: attempting safe refcount_inc_not_zero() from zero <6>[ 70.089542] lkdtm: Good: zero detected <6>[ 70.094032] lkdtm: Correctly stayed at zero <6>[ 70.098998] lkdtm: attempting bad refcount_inc() from zero <4>[ 70.105417] ------------[ cut here ]------------ <4>[ 70.110873] refcount_t: addition on 0; use-after-free. <4>[ 70.116957] WARNING: CPU: 0 PID: 2231 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 [ 67.275460] irq event stamp: 0 # [ 67.279185] hardirqs la<4>[ 70.126656] Modules linked in: fuse ip_tables cros_usbpd_logger cros_ec_debugfs uvcvideo cros_ec_lightbar cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger cros_ec_chardev videobuf2_memops videobuf2_v4l2 snd_soc_da7219 snd_soc_max98357a gsmi cros_ec_dev x86_pkg_temp_thermal videobuf2_common snd_soc_core snd_compress cros_usbpd_notify i2c_hid snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table <4>[ 70.172844] CPU: 0 PID: 2231 Comm: cat Tainted: G D W 5.10.178-cip31 #1 <4>[ 70.181785] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 70.188697] RIP: 0010:refcount_warn_saturate+0x74/0x110 <4>[ 70.194834] Code: 01 01 e8 58 b3 c0 00 0f 0b c3 cc cc cc cc 80 3d 8d f7 f6 01 00 75 cb 48 c7 c7 00 30 b5 89 c6 05 7d f7 f6 01 01 e8 35 b3 c0 00 <0f> 0b c3 cc cc cc cc 80 3d 6c f7 f6 01 00 75 a8 48 c7 c7 d8 2f b5 <4>[ 70.216082] RSP: 0018:ffff9a8782997e48 EFLAGS: 00010286 <4>[ 70.222216] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000 <4>[ 70.230466] RDX: ffff91073bc2c660 RSI: ffff91073bc1bf70 RDI: ffff91073bc1bf70 <4>[ 70.238731] RBP: ffffffff89bf8001 R08: 0000000000000000 R09: 0000000000000000 <4>[ 70.246998] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 <4>[ 70.255259] R13: ffff9a8782997f10 R14: ffff9a8782997f10 R15: ffff9106c3856000 <4>[ 70.263514] FS: 00007ff7a6ea7580(0000) GS:ffff91073bc00000(0000) knlGS:0000000000000000 <4>[ 70.272838] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 70.279551] CR2: 00007ff7a6cb0000 CR3: 0000000102756000 CR4: 00000000003506f0 <4>[ 70.287810] Call Trace: <4>[ 70.290855] lkdtm_REFCOUNT_INC_ZERO+0x99/0xc1 <4>[ 70.296126] direct_entry.cold+0x2c/0x38 <4>[ 70.300817] full_proxy_write+0x56/0x80 <4>[ 70.305418] vfs_write+0xea/0x3b0 <4>[ 70.309426] ksys_write+0x68/0xf0 <4>[ 70.313439] do_syscall_64+0x33/0x40 <4>[ 70.317736] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 70.323680] RIP: 0033:0x7ff7a6dbd833 <4>[ 70.327976] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 70.349210] RSP: 002b:00007ffe36d64a18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 st enabled at (0): [<0000000000000000>] 0x0 # [ 67.286492] h<4>[ 70.357972] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007ff7a6dbd833 ardirqs last disabled at (0): [] copy_process+<4>[ 70.372412] RDX: 0000000000000012 RSI: 00007ff7a6cb0000 RDI: 0000000000000001 <4>[ 70.386854] RBP: 00007ff7a6cb0000 R08: 00007ff7a6caf010 R09: 0000000000000000 <4>[ 70.395118] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 70.403373] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 70.411646] irq event stamp: 0 <4>[ 70.415359] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 70.422702] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 <4>[ 70.432158] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 <4>[ 70.441587] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 70.448880] ---[ end trace 388eb702d3689716 ]--- <6>[ 70.454339] lkdtm: Zero detected: saturated 0x664/0x1c60 # [ 67.295930] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 67.305368] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 67.312672] ---[ end trace 388eb702d3689712 ]--- # [ 67.318135] 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 # [ 67.647336] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE # [ 67.658953] lkdtm: attempting bad refcount_dec() below zero # [ 67.671690] ------------[ cut here ]------------ # [ 67.683316] refcount_t: decrement hit 0; leaking memory. # [ 67.696069] WARNING: CPU: 3 PID: 2129 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 67.711691] Modules linked in: fuse ip_tables cros_usbpd_logger cros_ec_debugfs uvcvideo cros_ec_lightbar cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger cros_ec_chardev videobuf2_memops videobuf2_v4l2 snd_soc_da7219 snd_soc_max98357a gsmi cros_ec_dev x86_pkg_temp_thermal videobuf2_common snd_soc_core snd_compress cros_usbpd_notify i2c_hid snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 67.757973] CPU: 3 PID: 2129 Comm: cat Tainted: G D W 5.10.178-cip31 #1 # [ 67.773076] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 67.786139] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 67.798372] Code: 88 30 b5 89 c6 05 0d f7 f6 01 01 e8 c8 b2 c0 00 0f 0b c3 cc cc cc cc 48 c7 c7 58 30 b5 89 c6 05 f4 f6 f6 01 01 e8 ae b2 c0 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 67.825904] RSP: 0018:ffff9a8782817e48 EFLAGS: 00010286 # [ 67.838180] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000 # [ 67.852637] RDX: ffff91073bdac660 RSI: ffff91073bd9bf70 RDI: ffff91073bd9bf70 # [ 67.867077] RBP: ffffffff89bf7feb R08: 0000000000000000 R09: 0000000000000000 # [ 67.881578] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 67.895995] R13: ffff9a8782817f10 R14: ffff9a8782817f10 R15: ffff9106c3de9000 # [ 67.910483] FS: 00007fb1a4243580(0000) GS:ffff91073bd80000(0000) knlGS:0000000000000000 # [ 67.925978] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 67.938903] CR2: 00007fb1a404c000 CR3: 00000001035ae000 CR4: 00000000003506e0 # [ 67.953324] Call Trace: # [ 67.962583] lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x61 # [ 67.974382] direct_entry.cold+0x2c/0x38 # [ 67.985283] full_proxy_write+0x56/0x80 # [ 67.996104] vfs_write+0xea/0x3b0 # [ 68.006246] ksys_write+0x68/0xf0 # [ 68.016482] do_syscall_64+0x33/0x40 # [ 68.026895] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 68.039184] RIP: 0033:0x7fb1a4159833 # [ 68.049577] Code: 8b 15 61 26 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 # [ 68.076994] RSP: 002b:00007fff1691aa78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 68.091868] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fb1a4159833 # [ 68.106325] RDX: 0000000000000016 RSI: 00007fb1a404c000 RDI: 0000000000000001 # [ 68.120764] RBP: 00007fb1a404c000 R08: 00007fb1a404b010 R09: 0000000000000000 # [ 68.135255] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 68.149680] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 68.164213] irq event stamp: 0 # [ 68.174086] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 68.187551] hardirqs last disabled at (<6>[ 70.811742] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO 0): [] copy_process+0x664/0x1c60 # [ 68.203<6>[ 70.819657] lkdtm: attempting safe refcount_add_not_zero() from zero 147] softirqs last enabled at (0): [] copy_pr<6>[ 70.833248] lkdtm: Good: zero detected ocess+0x664/0x1c60 # [ 68.218775] softirqs last disabled at (<6>[ 70.843961] lkdtm: Correctly stayed at zero 0): [<0000000000000000>] 0x0 # [ 68.232243] ---[ end trace 38<6>[ 70.855152] lkdtm: attempting bad refcount_add() from zero 8eb702d3689713 ]--- # [ 68.243900] lkdtm: Negative detected: <4>[ 70.867726] ------------[ cut here ]------------ saturated # REFCOUNT_DEC_NEGATIVE: saw 'Negative detected: satu<4>[ 70.879384] refcount_t: addition on 0; use-after-free. rated': ok ok 47 selftests: lkdtm: REFCOUNT_DEC_NEGATIVE.sh # <4>[ 70.891653] WARNING: CPU: 3 PID: 2263 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 selftests: lkdtm: REFCOUNT_DEC_AND_TEST_NEGATIVE.sh # [ 68.61<4>[ 70.907535] Modules linked in: fuse ip_tables cros_usbpd_logger cros_ec_debugfs uvcvideo cros_ec_lightbar cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger cros_ec_chardev videobuf2_memops videobuf2_v4l2 snd_soc_da7219 snd_soc_max98357a gsmi cros_ec_dev x86_pkg_temp_thermal videobuf2_common snd_soc_core snd_compress cros_usbpd_notify i2c_hid snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table 3405] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGAT<4>[ 70.953683] CPU: 3 PID: 2263 Comm: cat Tainted: G D W 5.10.178-cip31 #1 IVE # [ 68.622891] lkdtm: attempting bad refcount_dec_and_tes<4>[ 70.968789] Hardware name: Google Coral/Coral, BIOS 09/29/2020 t() below zero # [ 68.630309] ------------[ cut here ]-------<4>[ 70.981899] RIP: 0010:refcount_warn_saturate+0x74/0x110 ----- # [ 68.635770] refcount_t: underflow; use-after-free. <4>[ 70.994257] Code: 01 01 e8 58 b3 c0 00 0f 0b c3 cc cc cc cc 80 3d 8d f7 f6 01 00 75 cb 48 c7 c7 00 30 b5 89 c6 05 7d f7 f6 01 01 e8 35 b3 c0 00 <0f> 0b c3 cc cc cc cc 80 3d 6c f7 f6 01 00 75 a8 48 c7 c7 d8 2f b5 # [ 68.641474] WARNING: CPU: 0 PID: 2164 at lib/refcount.c:28 <4>[ 71.021694] RSP: 0018:ffff9a8782a0fe48 EFLAGS: 00010286 refcount_warn_saturate+0xba/0x110 # [ 68.657359] Modules link<4>[ 71.034007] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000 ed in: fuse ip_tables cros_usbpd_logger cros_ec_debugfs uvcvideo<4>[ 71.048470] RDX: ffff91073bdac660 RSI: ffff91073bd9bf70 RDI: ffff91073bd9bf70 cros_ec_lightbar cros_ec_sysfs videobuf2_vmalloc cros_usbpd_cha<4>[ 71.062945] RBP: ffffffff89bf8013 R08: 0000000000000000 R09: 0000000000000000 rger cros_ec_chardev videobuf2_memops videobuf2_v4l2 snd_soc_da7<4>[ 71.077383] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 219 snd_soc_max98357a gsmi cros_ec_dev x86_pkg_temp_thermal vide<4>[ 71.091861] R13: ffff9a8782a0ff10 R14: ffff9a8782a0ff10 R15: ffff9106c333d000 obuf2_common snd_soc_core snd_compress cros_usbpd_notify i2c_hid<4>[ 71.106302] FS: 00007feaca21e580(0000) GS:ffff91073bd80000(0000) knlGS:0000000000000000 snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # <4>[ 71.121910] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 68.703567] CPU: 0 PID: 2164 Comm: cat Tainted: G D W <4>[ 71.135066] CR2: 00007feaca027000 CR3: 00000001035be000 CR4: 00000000003506e0 5.10.178-cip31 #1 # [ 68.712523] Hardware name: Google <4>[ 71.149262] Call Trace: Coral/Coral, BIOS 09/29/2020 # [ 68.719441] RIP: 0010:refcou<4>[ 71.158672] lkdtm_REFCOUNT_ADD_ZERO+0x99/0xc1 nt_warn_saturate+0xba/0x110 # [ 68.725589] Code: 01 01 e8 12 <4>[ 71.169932] direct_entry.cold+0x2c/0x38 b3 c0 00 0f 0b c3 cc cc cc cc 80 3d 46 f7 f6 01 00 75 85 48 c7 c<4>[ 71.180962] full_proxy_write+0x56/0x80 7 30 30 b5 89 c6 05 36 f7 f6 01 01 e8 ef b2 c0 00 <0f> 0b c3 cc <4>[ 71.191583] vfs_write+0xea/0x3b0 cc cc cc 80 3d 21 f7 f6 01 00 0f 85 5e ff ff ff 48 c7 # [ 68.<4>[ 71.201932] ksys_write+0x68/0xf0 746839] RSP: 0018:ffff9a8782897e40 EFLAGS: 00010286 # [ 68.75<4>[ 71.212017] do_syscall_64+0x33/0x40 2984] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 000000000<4>[ 71.222570] entry_SYSCALL_64_after_hwframe+0x61/0xc6 0000000 # [ 68.761253] RDX: ffff91073bc2c660 RSI: ffff91073bc<4>[ 71.234623] RIP: 0033:0x7feaca134833 1bf70 RDI: ffff91073bc1bf70 # [ 68.769526] RBP: ffffffff89bf7<4>[ 71.245127] Code: 8b 15 61 26 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 c40 R08: 0000000000000000 R09: 0000000000000000 # [ 68.777795<4>[ 71.272528] RSP: 002b:00007ffcee3d89d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 ] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000<4>[ 71.287509] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007feaca134833 01f # [ 68.786064] R13: ffff9a8782897f10 R14: ffff9a8782897f1<4>[ 71.301908] RDX: 0000000000000012 RSI: 00007feaca027000 RDI: 0000000000000001 0 R15: ffff9106c29b9000 # [ 68.794331] FS: 00007f0a2749d580(<4>[ 71.316405] RBP: 00007feaca027000 R08: 00007feaca026010 R09: 0000000000000000 0000) GS:ffff91073bc00000(0000) knlGS:0000000000000000 # [ 68<4>[ 71.330808] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 .803667] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ <4>[ 71.345277] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 68.810382] CR2: 00007f0a272a6000 CR3: 0000000105e16000 CR4: 00<4>[ 71.359727] irq event stamp: 0 000000003506f0 # [ 68.818646] Call Trace: # [ 68.821697] <4>[ 71.369638] hardirqs last enabled at (0): [<0000000000000000>] 0x0 __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 68.828130] <4>[ 71.383079] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x78 # [ 68.834669<4>[ 71.398711] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 ] direct_entry.cold+0x2c/0x38 # [ 68.839364] full_proxy_wri<4>[ 71.414302] softirqs last disabled at (0): [<0000000000000000>] 0x0 te+0x56/0x80 # [ 68.843961] vfs_write+0xea/0x3b0 # [ 68.8<4>[ 71.427811] ---[ end trace 388eb702d3689717 ]--- 47973] ksys_write+0x68/0xf0 # [ 68.851988] do_syscall_64+0x<6>[ 71.439434] lkdtm: Zero detected: saturated 33/0x40 # [ 68.856294] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 68.862240] RIP: 0033:0x7f0a273b3833 # [ 68.866539] Code: 8b 15 61 26 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 # [ 68.887781] RSP: 002b:00007ffd91745208 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 68.896544] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f0a273b3833 # [ 68.910983] RDX: 000000000000001f RSI: 00007f0a272a6000 RDI: 0000000000000001 # [ 68.925422] RBP: 00007f0a272a6000 R08: 00007f0a272a5010 R09: 0000000000000000 # [ 68.933685] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 68.941951] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 68.950236] irq event stamp: 0 # [ 68.953957] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 68.961260] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 68.970700] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 68.980137] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 68.987438] ---[ end trace 388eb702d3689714 ]--- # [ 68.992895] 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 # [ 69.337737] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE # [ 69.347091] lkdtm: attempting bad refcount_sub_and_test() below zero # [ 69.354496] ------------[ cut here ]------------ # [ 69.359948] refcount_t: underflow; use-after-free. # [ 69.371828] WARNING: CPU: 2 PID: 2199 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 69.387674] Modules linked in: fuse ip_tables cros_usbpd_logger cros_ec_debugfs uvcvideo cros_ec_lightbar cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger cros_ec_chardev videobuf2_memops videobuf2_v4l2 snd_soc_da7219 snd_soc_max98357a gsmi cros_ec_dev x86_pkg_temp_thermal videobuf2_common snd_soc_core snd_compress cros_usbpd_notify i2c_hid snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 69.433959] CPU: 2 PID: 2199 Comm: cat Tainted: G D W 5.10.178-cip31 #1 # [ 69.442943] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 69.449858] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 69.455997] Code: 01 01 e8 12 b3 c0 00 0f 0b c3 cc cc cc cc 80 3d 46 f7 f6 01 00 75 85 48 c7 c7 30 30 b5 89 c6 05 36 f7 f6 01 01 e8 ef b2 c0 00 <0f> 0b c3 cc cc cc cc 80 3d 21 f7 f6 01 00 0f 85 5e ff ff ff 48 c7 # [ 69.477242] RSP: 0018:ffff9a8782927e40 EFLAGS: 00010286 # [ 69.483378] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000 # [ 69.491640] RDX: ffff91073bd2c660 RSI: ffff91073bd1bf70 RDI: ffff91073bd1bf70 # [ 69.499902] RBP: ffffffff89bf7c60 R08: 0000000000000000 R09: 0000000000000000 # [ 69.508162] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 69.516426] R13: ffff9a8782927f10 R14: ffff9a8782927f10 R15: ffff9106c6b7e000 # [ 69.524688] FS: 00007f9afa1d6580(0000) GS:ffff91073bd00000(0000) knlGS:0000000000000000 # [ 69.534016] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 69.540728] CR2: 00007f9af9fdf000 CR3: 00000001069ea000 CR4: 00000000003506e0 # [ 69.548989] Call Trace: # [ 69.552031] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 69.558463] lkdtm_REFCO<6>[ 71.792405] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED UNT_SUB_AND_TEST_NEGATIVE+0x3e/0x7b # [ 69.564995] direct_en<6>[ 71.804770] lkdtm: attempting bad refcount_inc() from saturated try.cold+0x2c/0x38 # [ 69.569676] full_proxy_write+0x56/0x80<4>[ 71.817860] ------------[ cut here ]------------ # [ 69.574260] vfs_write+0xea/0x3b0 # [ 69.578270] ksys<4>[ 71.829577] refcount_t: saturated; leaking memory. _write+0x68/0xf0 # [ 69.582281] do_syscall_64+0x33/0x40 # [<4>[ 71.841449] WARNING: CPU: 3 PID: 2298 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 69.586580] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 6<4>[ 71.857573] Modules linked in: fuse ip_tables cros_usbpd_logger cros_ec_debugfs uvcvideo cros_ec_lightbar cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger cros_ec_chardev videobuf2_memops videobuf2_v4l2 snd_soc_da7219 snd_soc_max98357a gsmi cros_ec_dev x86_pkg_temp_thermal videobuf2_common snd_soc_core snd_compress cros_usbpd_notify i2c_hid snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table 9.592523] RIP: 0033:0x7f9afa0ec833 # [ 69.596817] Code: 8b 15<4>[ 71.903527] CPU: 3 PID: 2298 Comm: cat Tainted: G D W 5.10.178-cip31 #1 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 <4>[ 71.918873] Hardware name: Google Coral/Coral, BIOS 09/29/2020 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d<4>[ 71.931693] RIP: 0010:refcount_warn_saturate+0x51/0x110 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # <4>[ 71.944038] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d b1 f7 f6 01 00 75 ee 48 c7 c7 d8 2f b5 89 c6 05 a1 f7 f6 01 01 e8 58 b3 c0 00 <0f> 0b c3 cc cc cc cc 80 3d 8d f7 f6 01 00 75 cb 48 c7 c7 00 30 b5 [ 69.618053] RSP: 002b:00007fff8f7165b8 EFLAGS: 00000246 ORIG_<4>[ 71.971547] RSP: 0018:ffff9a8782a6fe48 EFLAGS: 00010286 RAX: 0000000000000001 # [ 69.626800] RAX: ffffffffffffffda RB<4>[ 71.983798] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000 X: 000000000000001f RCX: 00007f9afa0ec833 # [ 69.635061] RDX:<4>[ 71.998285] RDX: ffff91073bdac660 RSI: ffff91073bd9bf70 RDI: ffff91073bd9bf70 000000000000001f RSI: 00007f9af9fdf000 RDI: 0000000000000001 #<4>[ 72.012707] RBP: ffffffff89bf8025 R08: 0000000000000000 R09: 0000000000000000 [ 69.649506] RBP: 00007f9af9fdf000 R08: 00007f9af9fde010 R09:<4>[ 72.027189] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 0000000000000000 # [ 69.663959] R10: fffffffffffffbc5 R11: 0<4>[ 72.041615] R13: ffff9a8782a6ff10 R14: ffff9a8782a6ff10 R15: ffff9106c5c58000 000000000000246 R12: 0000000000000001 # [ 69.672223] R13: 000<4>[ 72.056099] FS: 00007f3e37dfc580(0000) GS:ffff91073bd80000(0000) knlGS:0000000000000000 0000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ <4>[ 72.071614] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 69.680501] irq event stamp: 0 # [ 69.684216] hardirqs last <4>[ 72.084544] CR2: 00007f3e37c05000 CR3: 0000000105b5a000 CR4: 00000000003506e0 enabled at (0): [<0000000000000000>] 0x0 # [ 69.691517] hardi<4>[ 72.098960] Call Trace: rqs last disabled at (0): [] copy_process+0x66<4>[ 72.108247] lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x64 4/0x1c60 # [ 69.700948] softirqs last enabled at (0): [[ 72.120115] direct_entry.cold+0x2c/0x38 ffff87cfd834>] copy_process+0x664/0x1c60 # [ 69.710375] softi<4>[ 72.131160] full_proxy_write+0x56/0x80 rqs last disabled at (0): [<0000000000000000>] 0x0 # [ 69.717<4>[ 72.141901] vfs_write+0xea/0x3b0 656] ---[ end trace 388eb702d3689715 ]--- # [ 69.723109] lkdt<4>[ 72.152091] ksys_write+0x68/0xf0 m: Negative detected: saturated # REFCOUNT_SUB_AND_TEST_NEGATIV<4>[ 72.162296] do_syscall_64+0x33/0x40 E: saw 'Negative detected: saturated': ok ok 49 selftests: lkdt<4>[ 72.172813] entry_SYSCALL_64_after_hwframe+0x61/0xc6 m: REFCOUNT_SUB_AND_TEST_NEGATIVE.sh # selftests: lkdtm: REFCOU<4>[ 72.184915] RIP: 0033:0x7f3e37d12833 NT_INC_ZERO.sh # [ 70.074927] lkdtm: Performing direct entry <4>[ 72.195444] Code: 8b 15 61 26 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 REFCOUNT_INC_ZERO # [ 70.082134] lkdtm: attempting safe refco<4>[ 72.222821] RSP: 002b:00007fff83b1ee48 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 unt_inc_not_zero() from zero # [ 70.089542] lkdtm: Good: zero<4>[ 72.237769] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f3e37d12833 detected # [ 70.094032] lkdtm: Correctly stayed at zero # [<4>[ 72.252122] RDX: 0000000000000017 RSI: 00007f3e37c05000 RDI: 0000000000000001 70.098998] lkdtm: attempting bad refcount_inc() from zero # <4>[ 72.266762] RBP: 00007f3e37c05000 R08: 00007f3e37c04010 R09: 0000000000000000 [ 70.105417] ------------[ cut here ]------------ # [ 70.11<4>[ 72.281153] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 0873] refcount_t: addition on 0; use-after-free. # [ 70.11695<4>[ 72.295623] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 7] WARNING: CPU: 0 PID: 2231 at lib/refcount.c:25 refcount_warn_<4>[ 72.310064] irq event stamp: 0 saturate+0x74/0x110 # [ 70.126656] Modules linked in: fuse ip<4>[ 72.319892] hardirqs last enabled at (0): [<0000000000000000>] 0x0 _tables cros_usbpd_logger cros_ec_debugfs uvcvideo cros_ec_light<4>[ 72.333453] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 bar cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger cros_ec_c<4>[ 72.348979] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 hardev videobuf2_memops videobuf2_v4l2 snd_soc_da7219 snd_soc_ma<4>[ 72.364725] softirqs last disabled at (0): [<0000000000000000>] 0x0 x98357a gsmi cros_ec_dev x86_pkg_temp_thermal videobuf2_common s<4>[ 72.378061] ---[ end trace 388eb702d3689718 ]--- nd_soc_core snd_compress cros_usbpd_notify i2c_hid snd_pcm_dmaen<6>[ 72.389726] lkdtm: Saturation detected: still saturated gine regmap_i2c chromeos_pstore coreboot_table # [ 70.172844] CPU: 0 PID: 2231 Comm: cat Tainted: G D W 5.10.178-cip31 #1 # [ 70.181785] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 70.188697] RIP: 0010:refcount_warn_saturate+0x74/0x110 # [ 70.194834] Code: 01 01 e8 58 b3 c0 00 0f 0b c3 cc cc cc cc 80 3d 8d f7 f6 01 00 75 cb 48 c7 c7 00 30 b5 89 c6 05 7d f7 f6 01 01 e8 35 b3 c0 00 <0f> 0b c3 cc cc cc cc 80 3d 6c f7 f6 01 00 75 a8 48 c7 c7 d8 2f b5 # [ 70.216082] RSP: 0018:ffff9a8782997e48 EFLAGS: 00010286 # [ 70.222216] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000 # [ 70.230466] RDX: ffff91073bc2c660 RSI: ffff91073bc1bf70 RDI: ffff91073bc1bf70 # [ 70.238731] RBP: ffffffff89bf8001 R08: 0000000000000000 R09: 0000000000000000 # [ 70.246998] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 70.255259] R13: ffff9a8782997f10 R14: ffff9a8782997f10 R15: ffff9106c3856000 # [ 70.263514] FS: 00007ff7a6ea7580(0000) GS:ffff91073bc00000(0000) knlGS:0000000000000000 # [ 70.272838] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 70.279551] CR2: 00007ff7a6cb0000 CR3: 0000000102756000 CR4: 00000000003506f0 # [ 70.287810] Call Trace: # [ 70.290855] lkdtm_REFCOUNT_INC_ZERO+0x99/0xc1 # [ 70.296126] direct_entry.cold+0x2c/0x38 # [ 70.300817] full_proxy_write+0x56/0x80 # [ 70.305418] vfs_write+0xea/0x3b0 # [ 70.309426] ksys_write+0x68/0xf0 # [ 70.313439] do_syscall_64+0x33/0x40 # [ 70.317736] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 70.323680] RIP: 0033:0x7ff7a6dbd833 # [ 70.327976] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 70.349210] RSP: 002b:00007ffe36d64a18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 70.357972] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007ff7a6dbd833 # [ 70.372412] RDX: 0000000000000012 RSI: 00007ff7a6cb0000 RDI: 0000000000000001 # [ 70.386854] RBP: 00007ff7a6cb0000 R08: 00007ff7a6caf010 R09: 0000000000000000 # [ 70.395118] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 70.403373] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 70.411646] irq event stamp: 0 # [ 70.415359] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 70.422702] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 70.432158] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 70.441587] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 70.448880] ---[ end trace 388eb702d3689716 ]--- # [ 70.454339] lkdtm: Zero detected: saturated # REFCOUNT_INC_ZERO: saw 'call trace:': ok ok 50 selftests: lkdtm: REFCOUNT_INC_ZERO.sh # selftests: lkdtm: REFCOUNT_ADD_ZERO.sh # [ 70.811742] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO # [ 70.819657] lkdtm: attempting safe refcount_add_not_zero() from zero # [ 70.833248] lkdtm: Good: zero detected # [ 70.843961] lkdtm: Correctly stayed at zero # [ 70.855152] lkdtm: attempting bad refcount_add() from zero # [ 70.867726] ------------[ cut here ]------------ # [ 70.879384] refcount_t: addition on 0; use-after-free. # [ 70.891653] WARNING: CPU: 3 PID: 2263 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 # [ 70.907535] Modules linked in: fuse ip_tables cros_usbpd_logger cros_ec_debugfs uvcvideo cros_ec_lightbar cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger cros_ec_<6>[ 72.753066] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED chardev videobuf2_memops videobuf2_v4l2 snd_soc_da7219 snd_soc_m<6>[ 72.762399] lkdtm: attempting bad refcount_dec() from saturated ax98357a gsmi cros_ec_dev x86_pkg_temp_thermal videobuf2_common <4>[ 72.775499] ------------[ cut here ]------------ snd_soc_core snd_compress cros_usbpd_notify i2c_hid snd_pcm_dmae<4>[ 72.787131] refcount_t: decrement hit 0; leaking memory. ngine regmap_i2c chromeos_pstore coreboot_table # [ 70.953683<4>[ 72.799679] WARNING: CPU: 3 PID: 2333 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 ] CPU: 3 PID: 2263 Comm: cat Tainted: G D W 5.10.17<4>[ 72.815530] Modules linked in: fuse ip_tables cros_usbpd_logger cros_ec_debugfs uvcvideo cros_ec_lightbar cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger cros_ec_chardev videobuf2_memops videobuf2_v4l2 snd_soc_da7219 snd_soc_max98357a gsmi cros_ec_dev x86_pkg_temp_thermal videobuf2_common snd_soc_core snd_compress cros_usbpd_notify i2c_hid snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table 8-cip31 #1 # [ 70.968789] Hardware name: Google Coral/Coral, <4>[ 72.861659] CPU: 3 PID: 2333 Comm: cat Tainted: G D W 5.10.178-cip31 #1 BIOS 09/29/2020 # [ 70.981899] RIP: 0010:refcount_warn_satur<4>[ 72.876795] Hardware name: Google Coral/Coral, BIOS 09/29/2020 ate+0x74/0x110 # [ 70.994257] Code: 01 01 e8 58 b3 c0 00 0f 0<4>[ 72.889886] RIP: 0010:refcount_warn_saturate+0xfb/0x110 b c3 cc cc cc cc 80 3d 8d f7 f6 01 00 75 cb 48 c7 c7 00 30 b5 89<4>[ 72.902213] Code: 88 30 b5 89 c6 05 0d f7 f6 01 01 e8 c8 b2 c0 00 0f 0b c3 cc cc cc cc 48 c7 c7 58 30 b5 89 c6 05 f4 f6 f6 01 01 e8 ae b2 c0 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b c6 05 7d f7 f6 01 01 e8 35 b3 c0 00 <0f> 0b c3 cc cc cc cc 80 3<4>[ 72.929674] RSP: 0018:ffff9a8782affe48 EFLAGS: 00010286 d 6c f7 f6 01 00 75 a8 48 c7 c7 d8 2f b5 # [ 71.021694] RSP: <4>[ 72.941983] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000 0018:ffff9a8782a0fe48 EFLAGS: 00010286 # [ 71.034007] RAX: 00<4>[ 72.956459] RDX: ffff91073bdac660 RSI: ffff91073bd9bf70 RDI: ffff91073bd9bf70 00000000000000 RBX: 0000000000000034 RCX: 0000000000000000 # [ <4>[ 72.970883] RBP: ffffffff89bf803c R08: 0000000000000000 R09: 0000000000000000 71.048470] RDX: ffff91073bdac660 RSI: ffff91073bd9bf70 RDI: ff<4>[ 72.985328] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 ff91073bd9bf70 # [ 71.062945] RBP: ffffffff89bf8013 R08: 0000<4>[ 72.999792] R13: ffff9a8782afff10 R14: ffff9a8782afff10 R15: ffff9106c3d49000 000000000000 R09: 0000000000000000 # [ 71.077383] R10: 000000<4>[ 73.014216] FS: 00007fc4208d9580(0000) GS:ffff91073bd80000(0000) knlGS:0000000000000000 00ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 71<4>[ 73.029759] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 .091861] R13: ffff9a8782a0ff10 R14: ffff9a8782a0ff10 R15: ffff91<4>[ 73.042646] CR2: 00007fc4206e2000 CR3: 0000000105b38000 CR4: 00000000003506e0 06c333d000 # [ 71.106302] FS: 00007feaca21e580(0000) GS:ffff<4>[ 73.057149] Call Trace: 91073bd80000(0000) knlGS:0000000000000000 # [ 71.121910] CS: <4>[ 73.066662] lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5f 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 71.135066] <4>[ 73.078556] direct_entry.cold+0x2c/0x38 CR2: 00007feaca027000 CR3: 00000001035be000 CR4: 00000000003506e<4>[ 73.089313] full_proxy_write+0x56/0x80 0 # [ 71.149262] Call Trace: # [ 71.158672] lkdtm_REFCOUN<4>[ 73.100066] vfs_write+0xea/0x3b0 T_ADD_ZERO+0x99/0xc1 # [ 71.169932] direct_entry.cold+0x2c/0<4>[ 73.110143] ksys_write+0x68/0xf0 x38 # [ 71.180962] full_proxy_write+0x56/0x80 # [ 71.1915<4>[ 73.120462] do_syscall_64+0x33/0x40 83] vfs_write+0xea/0x3b0 # [ 71.201932] ksys_write+0x68/0xf<4>[ 73.130858] entry_SYSCALL_64_after_hwframe+0x61/0xc6 0 # [ 71.212017] do_syscall_64+0x33/0x40 # [ 71.222570] <4>[ 73.143020] RIP: 0033:0x7fc4207ef833 entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 71.234623] RIP: <4>[ 73.153472] Code: 8b 15 61 26 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 0033:0x7feaca134833 # [ 71.245127] Code: 8b 15 61 26 0e 00 f7<4>[ 73.180958] RSP: 002b:00007ffd36b62ae8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 <4>[ 73.195862] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007fc4207ef833 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77<4>[ 73.210323] RDX: 0000000000000017 RSI: 00007fc4206e2000 RDI: 0000000000000001 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 71.272528] <4>[ 73.224787] RBP: 00007fc4206e2000 R08: 00007fc4206e1010 R09: 0000000000000000 RSP: 002b:00007ffcee3d89d8 EFLAGS: 00000246 ORIG_RAX: 0000000000<4>[ 73.239271] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 000001 # [ 71.287509] RAX: ffffffffffffffda RBX: 000000000000<4>[ 73.253705] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 0012 RCX: 00007feaca134833 # [ 71.301908] RDX: 00000000000000<4>[ 73.268272] irq event stamp: 0 12 RSI: 00007feaca027000 RDI: 0000000000000001 # [ 71.316405]<4>[ 73.278054] hardirqs last enabled at (0): [<0000000000000000>] 0x0 RBP: 00007feaca027000 R08: 00007feaca026010 R09: 00000000000000<4>[ 73.291672] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 00 # [ 71.330808] R10: fffffffffffffbc5 R11: 0000000000000246<4>[ 73.307284] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 R12: 0000000000000001 # [ 71.345277] R13: 0000000000000001 R<4>[ 73.322946] softirqs last disabled at (0): [<0000000000000000>] 0x0 14: 0000000000020000 R15: 0000000000020000 # [ 71.359727] irq<4>[ 73.336413] ---[ end trace 388eb702d3689719 ]--- event stamp: 0 # [ 71.369638] hardirqs last enabled at (0):<6>[ 73.348075] lkdtm: Saturation detected: still saturated [<0000000000000000>] 0x0 # [ 71.383079] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 71.398711] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 71.414302] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 71.427811] ---[ end trace 388eb702d3689717 ]--- # [ 71.439434] 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 # [ 71.792405] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED # [ 71.804770] lkdtm: attempting bad refcount_inc() from saturated # [ 71.817860] ------------[ cut here ]------------ # [ 71.829577] refcount_t: saturated; leaking memory. # [ 71.841449] WARNING: CPU: 3 PID: 2298 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 71.857573] Modules linked in: fuse ip_tables cros_usbpd_logger cros_ec_debugfs uvcvideo cros_ec_lightbar cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger cros_ec_chardev videobuf2_memops videobuf2_v4l2 snd_soc_da7219 snd_soc_max98357a gsmi cros_ec_dev x86_pkg_temp_thermal videobuf2_common snd_soc_core snd_compress cros_usbpd_notify i2c_hid snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 71.903527] CPU: 3 PID: 2298 Comm: cat Tainted: G D W 5.10.178-cip31 #1 # [ 71.918873] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 71.931693] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 71.944038] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d b1 f7 f6 01 00 75 ee 48 c7 c7 d8 2f b5 89 c6 05 a1 f7 f6 01 01 e8 58 b3 c0 00 <0f> 0b c3 cc cc cc cc 80 3d 8d f7 f6 01 00 75 cb 48 c7 c7 00 30 b5 # [ 71.971547] RSP: 0018:ffff9a8782a6fe48 EFLAGS: 00010286 # [ 71.983798] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000 # [ 71.998285] RDX: ffff91073bdac660 RSI: ffff91073bd9bf70 RDI: ffff91073bd9bf70 # [ 72.012707] RBP: ffffffff89bf8025 R08: 0000000000000000 R09: 0000000000000000 # [ 72.027189] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 72.041615] R13: ffff9a8782a6ff10 R14: ffff9a8782a6ff10 R15: ffff9106c5c58000 # [ 72.056099] FS: 00007f3e37dfc580(0000) GS:ffff91073bd80000(0000) knlGS:0000000000000000 # [ 72.071614] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 72.084544] CR2: 00007f3e37c05000 CR3: 0000000105b5a000 CR4: 00000000003506e0 # [ 72.098960] Call Trace: # [ 72.108247] lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x64 # [ 72.120115] direct_entry.cold+0x2c/0x38 # [ 72.131160] full_proxy_write+0x56/0x80 # [ 72.141901] vfs_write+0xea/0x3b0 # [ 72.152091] ksys_write+0x68/0xf0 # [ 72.162296] do_syscall_64+0x33/0x40 # [ 72.172813] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 72.184915] RIP: 0033:0x7f3e37d12833 # [ 72.195444] Code: 8b 15 61 26 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 # [ 72.222821] RSP: 002b:00007fff83b1ee48 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 72.237769] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f3e37d12833 # [ 72.252122] RDX: 0000000000000017 RSI: 00007f3e37c05000 RDI: 0000000000000001 # [ 72.266762] RBP: 00007f3e37c05000 R08: 00007f3e37c04010 R09: 0000000000000000 # [ 72.281153] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 72.295623] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 72.310064] irq event stamp: 0 # [ 72.319892] hardirqs last enabled at (0): [<0000000000000000>] 0x0<6>[ 73.715244] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED # [ 72.333453] hardirqs last disabled at (0): [[ 73.727168] lkdtm: attempting bad refcount_dec() from saturated d834>] copy_process+0x664/0x1c60 # [ 72.348979] softirqs last<4>[ 73.740303] ------------[ cut here ]------------ <4>[ 73.751965] refcount_t: saturated; leaking memory. enabled at (0): [] copy_process+0x664/0x1c60<4>[ 73.757682] WARNING: CPU: 1 PID: 2368 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 72.364725] softirqs last disabled at (0): [<000000000000<4>[ 73.773563] Modules linked in: fuse ip_tables cros_usbpd_logger cros_ec_debugfs uvcvideo cros_ec_lightbar cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger cros_ec_chardev videobuf2_memops videobuf2_v4l2 snd_soc_da7219 snd_soc_max98357a gsmi cros_ec_dev x86_pkg_temp_thermal videobuf2_common snd_soc_core snd_compress cros_usbpd_notify i2c_hid snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table <4>[ 73.819761] CPU: 1 PID: 2368 Comm: cat Tainted: G D W 5.10.178-cip31 #1 0000>] 0x0 # [ 72.378061] ---[ end trace 388eb702d3689718 ]--<4>[ 73.828713] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 73.841813] RIP: 0010:refcount_warn_saturate+0x51/0x110 <4>[ 73.847953] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d b1 f7 f6 01 00 75 ee 48 c7 c7 d8 2f b5 89 c6 05 a1 f7 f6 01 01 e8 58 b3 c0 00 <0f> 0b c3 cc cc cc cc 80 3d 8d f7 f6 01 00 75 cb 48 c7 c7 00 30 b5 <4>[ 73.869215] RSP: 0018:ffff9a8782b8fe48 EFLAGS: 00010286 <4>[ 73.875352] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000 <4>[ 73.883624] RDX: ffff91073bcac660 RSI: ffff91073bc9bf70 RDI: ffff91073bc9bf70 <4>[ 73.891894] RBP: ffffffff89bf8053 R08: 0000000000000000 R09: 0000000000000000 - # [ 72.389726] lkdtm: Saturation detected: still saturated <4>[ 73.900166] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 <4>[ 73.914618] R13: ffff9a8782b8ff10 R14: ffff9a8782b8ff10 R15: ffff9106c333b000 <4>[ 73.922904] FS: 00007fec9644e580(0000) GS:ffff91073bc80000(0000) knlGS:0000000000000000 # REFCOUNT_INC_SATURATED: saw 'Saturation detected: still satur<4>[ 73.932243] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 73.945133] CR2: 00007fec96257000 CR3: 0000000105fea000 CR4: 00000000003506e0 ated': ok ok 52 selftests: lkdtm: REFCOUNT_INC_SATURATED.sh # <4>[ 73.953442] Call Trace: selftests: lkdtm: REFCOUNT_DEC_SATURATED.sh # [ 72.753066] lk<4>[ 73.962680] lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x64 <4>[ 73.974618] direct_entry.cold+0x2c/0x38 dtm: Performing direct entry REFCOUNT_DEC_SATURATED # [ 72.76<4>[ 73.979309] full_proxy_write+0x56/0x80 <4>[ 73.990071] vfs_write+0xea/0x3b0 <4>[ 73.994076] ksys_write+0x68/0xf0 <4>[ 73.998090] do_syscall_64+0x33/0x40 2399] lkdtm: attempting bad refcount_dec() from saturated # [ <4>[ 74.002390] entry_SYSCALL_64_after_hwframe+0x61/0xc6 72.775499] ------------[ cut here ]------------ # [ 72.78713<4>[ 74.014521] RIP: 0033:0x7fec96364833 <4>[ 74.025010] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 74.046272] RSP: 002b:00007ffde8d1ef78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 74.055033] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007fec96364833 <4>[ 74.063302] RDX: 0000000000000017 RSI: 00007fec96257000 RDI: 0000000000000001 <4>[ 74.071568] RBP: 00007fec96257000 R08: 00007fec96256010 R09: 0000000000000000 <4>[ 74.079831] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 74.088098] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 74.096374] irq event stamp: 0 <4>[ 74.100092] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 74.107400] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 <4>[ 74.116835] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 <4>[ 74.126268] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 74.133570] ---[ end trace 388eb702d368971a ]--- <6>[ 74.139031] lkdtm: Saturation detected: still saturated 1] refcount_t: decrement hit 0; leaking memory. # [ 72.799679] WARNING: CPU: 3 PID: 2333 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 72.815530] Modules linked in: fuse ip_tables cros_usbpd_logger cros_ec_debugfs uvcvideo cros_ec_lightbar cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger cros_ec_chardev videobuf2_memops videobuf2_v4l2 snd_soc_da7219 snd_soc_max98357a csros_ec_dev x86_pkg_temp_thermal videobuf2_common snd_soc_core snd_compress cros_usbpd_notify i2c_hid snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 72.861659] CPU: 3 PID: 2333 Comm: cat Tainted: G D W 5.10.178-cip31 #1 # [ 72.876795] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 72.889886] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 72.902213] Code: 88 30 b5 89 c6 05 0d f7 f6 01 01 e8 c8 b2 c0 00 0f 0b c3 cc cc cc cc 48 c7 c7 58 30 b5 89 c6 05 f4 f6 f6 01 01 e8 ae b2 c0 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 72.929674] RSP: 0018:ffff9a8782affe48 EFLAGS: 00010286 # [ 72.941983] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000 # [ 72.956459] RDX: ffff91073bdac660 RSI: ffff91073bd9bf70 RDI: ffff91073bd9bf70 # [ 72.970883] RBP: ffffffff89bf803c R08: 0000000000000000 R09: 0000000000000000 # [ 72.985328] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 72.999792] R13: ffff9a8782afff10 R14: ffff9a8782afff10 R15: ffff9106c3d49000 # [ 73.014216] FS: 00007fc4208d9580(0000) GS:ffff91073bd80000(0000) knlGS:0000000000000000 # [ 73.029759] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 73.042646] CR2: 00007fc4206e2000 CR3: 0000000105b38000 CR4: 00000000003506e0 # [ 73.057149] Call Trace: # [ 73.066662] lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5f # [ 73.078556] direct_entry.cold+0x2c/0x38 # [ 73.089313] full_proxy_write+0x56/0x80 # [ 73.100066] vfs_write+0xea/0x3b0 # [ 73.110143] ksys_write+0x68/0xf0 # [ 73.120462] do_syscall_64+0x33/0x40 # [ 73.130858] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 73.143020] RIP: 0033:0x7fc4207ef833 # [ 73.153472] Code: 8b 15 61 26 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 # [ 73.180958] RSP: 002b:00007ffd36b62ae8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 73.195862] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007fc4207ef833 # [ 73.210323] RDX: 0000000000000017 RSI: 00007fc4206e2000 RDI: 0000000000000001 # [ 73.224787] RBP: 00007fc4206e2000 R08: 00007fc4206e1010 R09: 0000000000000000 # [ 73.239271] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 73.253705] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 73.268272] irq event stamp: 0 # [ 73.278054] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 73.291672] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 73.307284] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 73.322946] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 73.336413] ---[ end trace 388eb702d3689719 ]--- # [ 73.348075] 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 # [ 73.715244] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED # [ 73.727168] lkdtm: attempting bad refcount<6>[ 74.493633] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED <6>[ 74.506570] lkdtm: attempting bad refcount_inc_not_zero() from saturated <4>[ 74.514364] ------------[ cut here ]------------ <4>[ 74.519820] refcount_t: saturated; leaking memory. _dec() from saturated # [ 73.740303] ------------[ cut here ]<4>[ 74.525521] WARNING: CPU: 0 PID: 2400 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 ------------ # [ 73.751965] refcount_t: saturated; leaking me<4>[ 74.541365] Modules linked in: fuse ip_tables cros_usbpd_logger cros_ec_debugfs uvcvideo cros_ec_lightbar cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger cros_ec_chardev videobuf2_memops videobuf2_v4l2 snd_soc_da7219 snd_soc_max98357a gsmi cros_ec_dev x86_pkg_temp_thermal videobuf2_common snd_soc_core snd_compress cros_usbpd_notify i2c_hid snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table <4>[ 74.587586] CPU: 0 PID: 2400 Comm: cat Tainted: G D W 5.10.178-cip31 #1 <4>[ 74.596535] Hardware name: Google Coral/Coral, BIOS 09/29/2020 mory. # [ 73.757682] WARNING: CPU: 1 PID: 2368 at lib/refcoun<4>[ 74.603450] RIP: 0010:refcount_warn_saturate+0x97/0x110 <4>[ 74.615780] Code: 01 01 e8 35 b3 c0 00 0f 0b c3 cc cc cc cc 80 3d 6c f7 f6 01 00 75 a8 48 c7 c7 d8 2f b5 89 c6 05 5c f7 f6 01 01 e8 12 b3 c0 00 <0f> 0b c3 cc cc cc cc 80 3d 46 f7 f6 01 00 75 85 48 c7 c7 30 30 b5 <4>[ 74.637022] RSP: 0018:ffff9a8782c0fe38 EFLAGS: 00010282 <4>[ 74.643155] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 <4>[ 74.651422] RDX: ffff91073bc2c660 RSI: ffff91073bc1bf70 RDI: ffff91073bc1bf70 <4>[ 74.659681] RBP: ffffffff89bf7c80 R08: 0000000000000000 R09: 0000000000000000 <4>[ 74.667942] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 <4>[ 74.676198] R13: ffff9a8782c0ff10 R14: ffff9a8782c0ff10 R15: ffff9106c6bc3000 <4>[ 74.684463] FS: 00007fe8723ea580(0000) GS:ffff91073bc00000(0000) knlGS:0000000000000000 <4>[ 74.693791] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 74.700504] CR2: 00007fe8721f3000 CR3: 0000000103e4c000 CR4: 00000000003506f0 <4>[ 74.708776] Call Trace: <4>[ 74.711824] __refcount_add_not_zero.constprop.0+0x2a/0x35 <4>[ 74.718267] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x76 <4>[ 74.724891] direct_entry.cold+0x2c/0x38 <4>[ 74.729581] full_proxy_write+0x56/0x80 <4>[ 74.734173] vfs_write+0xea/0x3b0 <4>[ 74.738183] ksys_write+0x68/0xf0 <4>[ 74.742198] do_syscall_64+0x33/0x40 t.c:22 refcount_warn_saturate+0x51/0x110 # [ 73.773563] Modul<4>[ 74.746508] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 74.758631] RIP: 0033:0x7fe872300833 <4>[ 74.762929] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 74.784181] RSP: 002b:00007fff9741cae8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 es linked in: fuse ip_tables cros_usbpd_logger cros_ec_debugfs u<4>[ 74.792946] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fe872300833 vcvideo cros_ec_lightbar cros_ec_sysfs videobuf2_vmalloc cros_us<4>[ 74.807398] RDX: 0000000000000020 RSI: 00007fe8721f3000 RDI: 0000000000000001 <4>[ 74.821849] RBP: 00007fe8721f3000 R08: 00007fe8721f2010 R09: 0000000000000000 <4>[ 74.830119] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 74.838391] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 74.846679] irq event stamp: 0 <4>[ 74.850399] hardirqs last enabled at (0): [<0000000000000000>] 0x0 bpd_charger cros_ec_chardev videobuf2_memops videobuf2_v4l2 snd_<4>[ 74.857742] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 <4>[ 74.873374] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 <4>[ 74.882800] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 74.890100] ---[ end trace 388eb702d368971b ]--- <6>[ 74.895558] lkdtm: Saturation detected: still saturated soc_da7219 snd_soc_max98357a gsmi cros_ec_dev x86_pkg_temp_thermal videobuf2_common snd_soc_core snd_compress cros_usbpd_notify i2c_hid snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_ta<6>[ 74.914996] PDLOG 2023/04/20 14:13:35.984 P0 SNK (not charging) Charger ??? 5000mV max 5000mV / 500mA ble # [ 73.819761] CPU: 1 PID: 2368 Comm: cat Tainted: G <6>[ 74.931962] PDLOG 2023/04/20 14:13:35.985 P1 Disconnected D W 5.10.178-cip31 #1 # [ 73.828713] Hardware name: <6>[ 74.944027] PDLOG 2023/04/20 14:13:36.041 P0 SNK (not charging) Charger ??? 5000mV max 5000mV / 1500mA Google Coral/Coral, BIOS 09/29/2020 # [ 73.841813] RIP: 0010<6>[ 74.961496] PDLOG 2023/04/20 14:13:36.041 P1 SNK (not charging) Charger ??? 5000mV max 5000mV / 3000mA :refcount_warn_saturate+0x51/0x110 # [ 73.847953] Code: 84 bc<6>[ 74.977928] PDLOG 2023/04/20 14:13:36.159 P1 SNK Charger ??? 5247mV max 15000mV / 3000mA 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d b1 f7 f6 01 00 75 ee <6>[ 74.993508] PDLOG 2023/04/20 14:13:36.276 P1 SNK Charger ??? 5240mV max 5000mV / 3000mA 48 c7 c7 d8 2f b5 89 c6 05 a1 f7 f6 01 01 e8 58 b3 c0 00 <0f> 0b<6>[ 75.008860] PDLOG 2023/04/20 14:13:36.301 P0 SNK (not charging) Charger ??? 5000mV max 5000mV / 1500mA c3 cc cc cc cc 80 3d 8d f7 f6 01 00 75 cb 48 c7 c7 00 30 b5 # <6>[ 75.025771] PDLOG 2023/04/20 14:13:36.477 P1 SNK Charger ??? 15175mV max 15000mV / 3000mA [ 73.869215] RSP: 0018:ffff9a8782b8fe48 EFLAGS: 00010286 # [ <6>[ 75.041436] PDLOG 2023/04/20 14:13:39.167 P1 SNK Charger PD 14948mV max 15000mV / 3000mA 73.875352] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000 # [ 73.883624] RDX: ffff91073bcac660 RSI: ffff91073bc9bf70 RDI: ffff91073bc9bf70 # [ 73.891894] RBP: ffffffff89bf8053 R08: 0000000000000000 R09: 0000000000000000 # [ 73.900166] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 73.914618] R13: ffff9a8782b8ff10 R14: ffff9a8782b8ff10 R15: ffff9106c333b000 # [ 73.922904] FS: 00007fec9644e580(0000) GS:ffff91073bc80000(0000) knlGS:0000000000000000 # [ 73.932243] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 73.945133] CR2: 00007fec96257000 CR3: 0000000105fea000 CR4: 00000000003506e0 # [ 73.953442] Call Trace: # [ 73.962680] lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x64 # [ 73.974618] direct_entry.cold+0x2c/0x38 # [ 73.979309] full_proxy_write+0x56/0x80 # [ 73.990071] vfs_write+0xea/0x3b0 # [ 73.994076] ksys_write+0x68/0xf0 # [ 73.998090] do_syscall_64+0x33/0x40 # [ 74.002390] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 74.014521] RIP: 0033:0x7fec96364833 # [ 74.025010] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 74.046272] RSP: 002b:00007ffde8d1ef78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 74.055033] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007fec96364833 # [ 74.063302] RDX: 0000000000000017 RSI: 00007fec96257000 RDI: 0000000000000001 # [ 74.071568] RBP: 00007fec96257000 R08: 00007fec96256010 R09: 0000000000000000 # [ 74.079831] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 74.088098] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 74.096374] irq event stamp: 0 # [ 74.100092] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 74.107400] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 74.116835] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 74.126268] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 74.133570] ---[ end trace 388eb702d368971a ]--- # [ 74.139031] 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 # [ 74.493633] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED # [ 74.506570] lkdtm: attempting bad refcount_inc_not_zero() from saturated # [ 74.514364] ------------[ cut here ]------------ # [ 74.519820] refcount_t: saturated; leaking memory. # [ 74.525521] WARNING: CPU: 0 PID: 2400 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 74.541365] Modules linked in: fuse ip_tables cros_usbpd_logger cros_ec_debugfs uvcvideo cros_ec<6>[ 75.340839] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED _lightbar cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger cro<6>[ 75.349642] lkdtm: attempting bad refcount_add_not_zero() from saturated s_ec_chardev videobuf2_memops videobuf2_v4l2 snd_soc_da7219 snd_<4>[ 75.363625] ------------[ cut here ]------------ <4>[ 75.375273] refcount_t: saturated; leaking memory. soc_max98357a gsmi cros_ec_dev x86_pkg_temp_thermal videobuf2_co<4>[ 75.380976] WARNING: CPU: 1 PID: 2432 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 mmon snd_soc_core snd_compress cros_usbpd_notify i2c_hid snd_pcm<4>[ 75.396850] Modules linked in: fuse ip_tables cros_usbpd_logger cros_ec_debugfs uvcvideo cros_ec_lightbar cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger cros_ec_chardev videobuf2_memops videobuf2_v4l2 snd_soc_da7219 snd_soc_max98357a gsmi cros_ec_dev x86_pkg_temp_thermal videobuf2_common snd_soc_core snd_compress cros_usbpd_notify i2c_hid snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table <4>[ 75.442997] CPU: 1 PID: 2432 Comm: cat Tainted: G D W 5.10.178-cip31 #1 <4>[ 75.451940] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 75.458846] RIP: 0010:refcount_warn_saturate+0x97/0x110 <4>[ 75.464996] Code: 01 01 e8 35 b3 c0 00 0f 0b c3 cc cc cc cc 80 3d 6c f7 f6 01 00 75 a8 48 c7 c7 d8 2f b5 89 c6 05 5c f7 f6 01 01 e8 12 b3 c0 00 <0f> 0b c3 cc cc cc cc 80 3d 46 f7 f6 01 00 75 85 48 c7 c7 30 30 b5 _dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 74.5<4>[ 75.486248] RSP: 0018:ffff9a8782c8fe38 EFLAGS: 00010282 <4>[ 75.498550] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 <4>[ 75.506814] RDX: ffff91073bcac660 RSI: ffff91073bc9bf70 RDI: ffff91073bc9bf70 <4>[ 75.515075] RBP: ffffffff89bf7ca0 R08: 0000000000000000 R09: 0000000000000000 <4>[ 75.523322] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 <4>[ 75.531578] R13: ffff9a8782c8ff10 R14: ffff9a8782c8ff10 R15: ffff9106c5ed4000 <4>[ 75.539839] FS: 00007fbd762d3580(0000) GS:ffff91073bc80000(0000) knlGS:0000000000000000 <4>[ 75.549174] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 75.555888] CR2: 00007fbd760dc000 CR3: 0000000105b8e000 CR4: 00000000003506e0 <4>[ 75.564148] Call Trace: <4>[ 75.567191] __refcount_add_not_zero.constprop.0+0x2a/0x35 <4>[ 75.573623] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x76 <4>[ 75.580241] direct_entry.cold+0x2c/0x38 <4>[ 75.584925] full_proxy_write+0x56/0x80 <4>[ 75.589515] vfs_write+0xea/0x3b0 <4>[ 75.593532] ksys_write+0x68/0xf0 87586] CPU: 0 PID: 2400 Comm: cat Tainted: G D W 5.<4>[ 75.597528] do_syscall_64+0x33/0x40 <4>[ 75.607985] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 75.613919] RIP: 0033:0x7fbd761e9833 10.178-cip31 #1 # [ 74.596535] Hardware name: Google Coral/Co<4>[ 75.618224] Code: 8b 15 61 26 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 ral, BIOS 09/29/2020 # [ 74.603450] RIP: 0010:refcount_warn_<4>[ 75.645626] RSP: 002b:00007ffcf4f0b698 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 75.660580] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fbd761e9833 <4>[ 75.668836] RDX: 0000000000000020 RSI: 00007fbd760dc000 RDI: 0000000000000001 <4>[ 75.677089] RBP: 00007fbd760dc000 R08: 00007fbd760db010 R09: 0000000000000000 <4>[ 75.685383] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 saturate+0x97/0x110 # [ 74.615780] Code: 01 01 e8 35 b3 c0 00<4>[ 75.693665] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 75.708130] irq event stamp: 0 0f 0b c3 cc cc cc cc 80 3d 6c f7 f6 01 00 75 a8 48 c7 c7 d8 2f <4>[ 75.711844] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 75.725310] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 <4>[ 75.734732] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 <4>[ 75.744154] softirqs last disabled at (0): [<0000000000000000>] 0x0 b5 89 c6 05 5c f7 f6 01 01 e8 12 b3 c0 00 <0f> 0b c3 cc cc cc cc<4>[ 75.751438] ---[ end trace 388eb702d368971c ]--- <6>[ 75.763076] lkdtm: Saturation detected: still saturated 80 3d 46 f7 f6 01 00 75 85 48 c7 c7 30 30 b5 # [ 74.637022] RSP: 0018:ffff9a8782c0fe38 EFLAGS: 00010282 # [ 74.643155] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 # [ 74.651422] RDX: ffff91073bc2c660 RSI: ffff91073bc1bf70 RDI: ffff91073bc1bf70 # [ 74.659681] RBP: ffffffff89bf7c80 R08: 0000000000000000 R09: 0000000000000000 # [ 74.667942] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 74.676198] R13: ffff9a8782c0ff10 R14: ffff9a8782c0ff10 R15: ffff9106c6bc3000 # [ 74.684463] FS: 00007fe8723ea580(0000) GS:ffff91073bc00000(0000) knlGS:0000000000000000 # [ 74.693791] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 74.700504] CR2: 00007fe8721f3000 CR3: 0000000103e4c000 CR4: 00000000003506f0 # [ 74.708776] Call Trace: # [ 74.711824] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 74.718267] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x76 # [ 74.724891] direct_entry.cold+0x2c/0x38 # [ 74.729581] full_proxy_write+0x56/0x80 # [ 74.734173] vfs_write+0xea/0x3b0 # [ 74.738183] ksys_write+0x68/0xf0 # [ 74.742198] do_syscall_64+0x33/0x40 # [ 74.746508] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 74.758631] RIP: 0033:0x7fe872300833 # [ 74.762929] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 74.784181] RSP: 002b:00007fff9741cae8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 74.792946] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fe872300833 # [ 74.807398] RDX: 0000000000000020 RSI: 00007fe8721f3000 RDI: 0000000000000001 # [ 74.821849] RBP: 00007fe8721f3000 R08: 00007fe8721f2010 R09: 0000000000000000 # [ 74.830119] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 74.838391] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 74.846679] irq event stamp: 0 # [ 74.850399] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 74.857742] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 74.873374] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 74.882800] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 74.890100] ---[ end trace 388eb702d368971b ]--- # [ 74.895558] lkdtm: Saturation detected: still saturated # [ 74.914996] PDLOG 2023/04/20 14:13:35.984 P0 SNK (not charging) Charger ??? 5000mV max 5000mV / 500mA # [ 74.931962] PDLOG 2023/04/20 14:13:35.985 P1 Disconnected # [ 74.944027] PDLOG 2023/04/20 14:13:36.041 P0 SNK (not charging) Charger ??? 5000mV max 5000mV / 1500mA # [ 74.961496] PDLOG 2023/04/20 14:13:36.041 P1 SNK (not charging) Charger ??? 5000mV max 5000mV / 3000mA # 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 # [ 75.340839] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED # [ 75.349642] lkdtm: attempting bad refcount_add_not_zero() from saturated # [ 75.363625] ------------[ cut here ]------------ # [ 75.375273] refcount_t: saturated; leaking memory. # [ 75.380976] WARNING: CPU: 1 PID: 2432 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 75.396850] Modules linked in: fuse ip_tables cros_usbpd_logger cros_ec_debugfs uvcvideo cros_ec_lightbar cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger cros_ec_chardev videobuf2_memops videobuf2_v4l2 snd_soc_da7219 snd_soc_max98357a gsmi cros_ec_dev x86_pkg_temp_thermal videobuf2_common snd_soc_core snd_compress cros_usbpd_notify i2c_hid snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 75.442997]<6>[ 76.139187] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED <6>[ 76.149214] lkdtm: attempting bad refcount_dec_and_test() from saturated <4>[ 76.157005] ------------[ cut here ]------------ <4>[ 76.162462] refcount_t: underflow; use-after-free. <4>[ 76.168170] WARNING: CPU: 2 PID: 2467 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 CPU: 1 PID: 2432 Comm: cat Tainted: G D W 5.10.178<4>[ 76.177894] Modules linked in: fuse ip_tables cros_usbpd_logger cros_ec_debugfs uvcvideo cros_ec_lightbar cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger cros_ec_chardev videobuf2_memops videobuf2_v4l2 snd_soc_da7219 snd_soc_max98357a gsmi cros_ec_dev x86_pkg_temp_thermal videobuf2_common snd_soc_core snd_compress cros_usbpd_notify i2c_hid snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table <4>[ 76.224019] CPU: 2 PID: 2467 Comm: cat Tainted: G D W 5.10.178-cip31 #1 <4>[ 76.232956] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 76.239861] RIP: 0010:refcount_warn_saturate+0xba/0x110 <4>[ 76.246001] Code: 01 01 e8 12 b3 c0 00 0f 0b c3 cc cc cc cc 80 3d 46 f7 f6 01 00 75 85 48 c7 c7 30 30 b5 89 c6 05 36 f7 f6 01 01 e8 ef b2 c0 00 <0f> 0b c3 cc cc cc cc 80 3d 21 f7 f6 01 00 0f 85 5e ff ff ff 48 c7 <4>[ 76.267242] RSP: 0018:ffff9a8782d1fe40 EFLAGS: 00010286 <4>[ 76.273379] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000 <4>[ 76.281639] RDX: ffff91073bd2c660 RSI: ffff91073bd1bf70 RDI: ffff91073bd1bf70 <4>[ 76.289909] RBP: ffffffff89bf7cc0 R08: 0000000000000000 R09: 0000000000000000 <4>[ 76.298174] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 <4>[ 76.306432] R13: ffff9a8782d1ff10 R14: ffff9a8782d1ff10 R15: ffff9106c40c2000 -cip31 #1 # [ 75.451940] Hardware name: Google Coral/Coral, B<4>[ 76.314697] FS: 00007f265a782580(0000) GS:ffff91073bd00000(0000) knlGS:0000000000000000 <4>[ 76.330191] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 76.336904] CR2: 00007f265a58b000 CR3: 0000000103e1e000 CR4: 00000000003506e0 <4>[ 76.345165] Call Trace: <4>[ 76.348219] __refcount_sub_and_test.constprop.0+0x3c/0x50 <4>[ 76.354656] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x76 <4>[ 76.361282] direct_entry.cold+0x2c/0x38 <4>[ 76.365972] full_proxy_write+0x56/0x80 <4>[ 76.370564] vfs_write+0xea/0x3b0 <4>[ 76.374570] ksys_write+0x68/0xf0 <4>[ 76.378581] do_syscall_64+0x33/0x40 <4>[ 76.382877] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 76.388816] RIP: 0033:0x7f265a698833 <4>[ 76.393112] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 76.414348] RSP: 002b:00007ffc42147258 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 IOS 09/29/2020 # [ 75.458846] RIP: 0010:refcount_warn_satura<4>[ 76.423100] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f265a698833 te+0x97/0x110 # [ 75.464996] Code: 01 01 e8 35 b3 c0 00 0f 0b<4>[ 76.437539] RDX: 0000000000000020 RSI: 00007f265a58b000 RDI: 0000000000000001 <4>[ 76.451988] RBP: 00007f265a58b000 R08: 00007f265a58a010 R09: 0000000000000000 <4>[ 76.460254] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 76.468517] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 76.476791] irq event stamp: 0 <4>[ 76.480505] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 76.487868] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 <4>[ 76.497331] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 <4>[ 76.506766] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 76.514057] ---[ end trace 388eb702d368971d ]--- <6>[ 76.519511] lkdtm: Saturation detected: still saturated c3 cc cc cc cc 80 3d 6c f7 f6 01 00 75 a8 48 c7 c7 d8 2f b5 89 c6 05 5c f7 f6 01 01 e8 12 b3 c0 00 <0f> 0b c3 cc cc cc cc 80 3d 46 f7 f6 01 00 75 85 48 c7 c7 30 30 b5 # [ 75.486248] RSP: 0018:ffff9a8782c8fe38 EFLAGS: 00010282 # [ 75.498550] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 # [ 75.506814] RDX: ffff91073bcac660 RSI: ffff91073bc9bf70 RDI: ffff91073bc9bf70 # [ 75.515075] RBP: ffffffff89bf7ca0 R08: 0000000000000000 R09: 0000000000000000 # [ 75.523322] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 75.531578] R13: ffff9a8782c8ff10 R14: ffff9a8782c8ff10 R15: ffff9106c5ed4000 # [ 75.539839] FS: 00007fbd762d3580(0000) GS:ffff91073bc80000(0000) knlGS:0000000000000000 # [ 75.549174] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 75.555888] CR2: 00007fbd760dc000 CR3: 0000000105b8e000 CR4: 00000000003506e0 # [ 75.564148] Call Trace: # [ 75.567191] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 75.573623] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x76 # [ 75.580241] direct_entry.cold+0x2c/0x38 # [ 75.584925] full_proxy_write+0x56/0x80 # [ 75.589515] vfs_write+0xea/0x3b0 # [ 75.593532] ksys_write+0x68/0xf0 # [ 75.597528] do_syscall_64+0x33/0x40 # [ 75.607985] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 75.613919] RIP: 0033:0x7fbd761e9833 # [ 75.618224] Code: 8b 15 61 26 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 # [ 75.645626] RSP: 002b:00007ffcf4f0b698 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 75.660580] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fbd761e9833 # [ 75.668836] RDX: 0000000000000020 RSI: 00007fbd760dc000 RDI: 0000000000000001 # [ 75.677089] RBP: 00007fbd760dc000 R08: 00007fbd760db010 R09: 0000000000000000 # [ 75.685383] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 75.693665] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 75.708130] irq event stamp: 0 # [ 75.711844] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 75.725310] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 75.734732] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 75.744154] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 75.751438] ---[ end trace 388eb702d368971c ]--- # [ 75.763076] 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 # [ 76.139187] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED # [ 76.149214] lkdtm: attempting bad refcount_dec_and_test() from saturated # [ 76.157005] ------------[ cut here ]------------ # [ 76.162462] refcount_t: underflow; use-after-free. # [ 76.168170] WARNING: CPU: 2 PID: 2467 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 76.177894] Modules linked in: fuse ip_tables cros_usbpd_logger cros_ec_debugfs uvcvideo cros_ec_lightbar cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger cros_ec_chardev videobuf2_memops videobuf2_v4l2 snd_soc_da7219 snd_soc_max98357a gsmi cros_ec_dev x86_pkg_temp_thermal videobuf2_common snd_soc_core snd_compress cros_usbpd_notify i2c_hid snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 76.224019] CPU: 2 PID: 2467 Comm: cat Tainted: G D W 5.10.178-cip31 #1 #<6>[ 76.878160] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED [ 76.232956] Hardware name: Google Coral/Coral, BIOS 09/29/2<6>[ 76.886995] lkdtm: attempting bad refcount_sub_and_test() from saturated 020 # [ 76.239861] RIP: 0010:refcount_warn_saturate+0xba/0x11<4>[ 76.901001] ------------[ cut here ]------------ 0 # [ 76.246001] Code: 01 01 e8 12 b3 c0 00 0f 0b c3 cc cc cc<4>[ 76.912661] refcount_t: underflow; use-after-free. cc 80 3d 46 f7 f6 01 00 75 85 48 c7 c7 30 30 b5 89 c6 05 36 f7 <4>[ 76.924518] WARNING: CPU: 3 PID: 2502 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 f6 01 01 e8 ef b2 c0 00 <0f> 0b c3 cc cc cc cc 80 3d 21 f7 f6 01<4>[ 76.940626] Modules linked in: fuse ip_tables cros_usbpd_logger cros_ec_debugfs uvcvideo cros_ec_lightbar cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger cros_ec_chardev videobuf2_memops videobuf2_v4l2 snd_soc_da7219 snd_soc_max98357a gsmi cros_ec_dev x86_pkg_temp_thermal videobuf2_common snd_soc_core snd_compress cros_usbpd_notify i2c_hid snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table 00 0f 85 5e ff ff ff 48 c7 # [ 76.267242] RSP: 0018:ffff9a87<4>[ 76.986580] CPU: 3 PID: 2502 Comm: cat Tainted: G D W 5.10.178-cip31 #1 82d1fe40 EFLAGS: 00010286 # [ 76.273379] RAX: 000000000000000<4>[ 77.001788] Hardware name: Google Coral/Coral, BIOS 09/29/2020 0 RBX: 000000000000003a RCX: 0000000000000000 # [ 76.281639] <4>[ 77.014828] RIP: 0010:refcount_warn_saturate+0xba/0x110 RDX: ffff91073bd2c660 RSI: ffff91073bd1bf70 RDI: ffff91073bd1bf7<4>[ 77.027097] Code: 01 01 e8 12 b3 c0 00 0f 0b c3 cc cc cc cc 80 3d 46 f7 f6 01 00 75 85 48 c7 c7 30 30 b5 89 c6 05 36 f7 f6 01 01 e8 ef b2 c0 00 <0f> 0b c3 cc cc cc cc 80 3d 21 f7 f6 01 00 0f 85 5e ff ff ff 48 c7 0 # [ 76.289909] RBP: ffffffff89bf7cc0 R08: 0000000000000000 <4>[ 77.054455] RSP: 0018:ffff9a8782da7e40 EFLAGS: 00010286 R09: 0000000000000000 # [ 76.298174] R10: 00000000ffffe000 R1<4>[ 77.066897] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000 1: 3fffffffffffffff R12: 0000000000000020 # [ 76.306432] R13:<4>[ 77.081209] RDX: ffff91073bdac660 RSI: ffff91073bd9bf70 RDI: ffff91073bd9bf70 ffff9a8782d1ff10 R14: ffff9a8782d1ff10 R15: ffff9106c40c2000 #<4>[ 77.095792] RBP: ffffffff89bf7ce0 R08: 0000000000000000 R09: 0000000000000000 [ 76.314697] FS: 00007f265a782580(0000) GS:ffff91073bd00000(<4>[ 77.110117] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 0000) knlGS:0000000000000000 # [ 76.330191] CS: 0010 DS: 000<4>[ 77.124674] R13: ffff9a8782da7f10 R14: ffff9a8782da7f10 R15: ffff9106c5b78000 0 ES: 0000 CR0: 0000000080050033 # [ 76.336904] CR2: 00007f26<4>[ 77.139041] FS: 00007f18fdf3a580(0000) GS:ffff91073bd80000(0000) knlGS:0000000000000000 5a58b000 CR3: 0000000103e1e000 CR4: 00000000003506e0 # [ 76.3<4>[ 77.154576] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 45165] Call Trace: # [ 76.348219] __refcount_sub_and_test.co<4>[ 77.167438] CR2: 00007f18fdd43000 CR3: 0000000103e1e000 CR4: 00000000003506e0 nstprop.0+0x3c/0x50 # [ 76.354656] lkdtm_REFCOUNT_DEC_AND_TE<4>[ 77.181909] Call Trace: ST_SATURATED+0x3e/0x76 # [ 76.361282] direct_entry.cold+0x2c<4>[ 77.191137] __refcount_sub_and_test.constprop.0+0x3c/0x50 /0x38 # [ 76.365972] full_proxy_write+0x56/0x80 # [ 76.37<4>[ 77.203774] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x76 0564] vfs_write+0xea/0x3b0 # [ 76.374570] ksys_write+0x68/0<4>[ 77.216523] direct_entry.cold+0x2c/0x38 xf0 # [ 76.378581] do_syscall_64+0x33/0x40 # [ 76.382877]<4>[ 77.227435] full_proxy_write+0x56/0x80 entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 76.388816] RIP<4>[ 77.238133] vfs_write+0xea/0x3b0 : 0033:0x7f265a698833 # [ 76.393112] Code: 8b 15 61 26 0e 00 <4>[ 77.248483] 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<4>[ 77.258537] 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 <4>[ 77.269051] entry_SYSCALL_64_after_hwframe+0x61/0xc6 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 76.414348<4>[ 77.281137] RIP: 0033:0x7f18fde50833 ] RSP: 002b:00007ffc42147258 EFLAGS: 00000246 ORIG_RAX: 00000000<4>[ 77.291674] Code: 8b 15 61 26 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 00000001 # [ 76.423100] RAX: ffffffffffffffda RBX: 0000000000<4>[ 77.319013] RSP: 002b:00007fff727b31f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 000020 RCX: 00007f265a698833 # [ 76.437539] RDX: 000000000000<4>[ 77.333992] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f18fde50833 0020 RSI: 00007f265a58b000 RDI: 0000000000000001 # [ 76.45198<4>[ 77.348373] RDX: 0000000000000020 RSI: 00007f18fdd43000 RDI: 0000000000000001 8] RBP: 00007f265a58b000 R08: 00007f265a58a010 R09: 000000000000<4>[ 77.362852] RBP: 00007f18fdd43000 R08: 00007f18fdd42010 R09: 0000000000000000 0000 # [ 76.460254] R10: fffffffffffffbc5 R11: 00000000000002<4>[ 77.377236] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 46 R12: 0000000000000001 # [ 76.468517] R13: 0000000000000001<4>[ 77.391720] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 R14: 0000000000020000 R15: 0000000000020000 # [ 76.476791] i<4>[ 77.406154] irq event stamp: 0 rq event stamp: 0 # [ 76.480505] hardirqs last enabled at (0<4>[ 77.416017] hardirqs last enabled at (0): [<0000000000000000>] 0x0 ): [<0000000000000000>] 0x0 # [ 76.487868] hardirqs last disa<4>[ 77.429563] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 bled at (0): [] copy_process+0x664/0x1c60 # [<4>[ 77.445131] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 76.497331] softirqs last enabled at (0): [<4>[ 77.460770] softirqs last disabled at (0): [<0000000000000000>] 0x0 ] copy_process+0x664/0x1c60 # [ 76.506766] softirqs last disa<4>[ 77.474230] ---[ end trace 388eb702d368971e ]--- bled at (0): [<0000000000000000>] 0x0 # [ 76.514057] ---[ end<6>[ 77.485938] lkdtm: Saturation detected: still saturated trace 388eb702d368971d ]--- # [ 76.519511] 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 # [ 76.878160] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED # [ 76.886995] lkdtm: attempting bad refcount_sub_and_test() from saturated # [ 76.901001] ------------[ cut here ]------------ # [ 76.912661] refcount_t: underflow; use-after-free. # [ 76.924518] WARNING: CPU: 3 PID: 2502 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 76.940626] Modules linked in: fuse ip_tables cros_usbpd_logger cros_ec_debugfs uvcvideo cros_ec_lightbar cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger cros_ec_chardev videobuf2_memops videobuf2_v4l2 snd_soc_da7219 snd_soc_max98357a gsmi cros_ec_dev x86_pkg_temp_thermal videobuf2_common snd_soc_core snd_compress cros_usbpd_notify i2c_hid snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 76.986580] CPU: 3 PID: 2502 Comm: cat Tainted: G D W 5.10.178-cip31 #1 # [ 77.001788] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 77.014828] RIP: 0010:refcount_warn_saturate+0xba/0x110 [ 097] 7Code: 01 01 e8 12 b3 c0 00 0f 0b c3 cc cc cc cc 80 3d 46 f7 f6 01 00 75 85 48 c7 c7 30 30 b5 89 c6 05 36 f7 f6 01 01 e8 ef b2 c0 00 <0f> 0b c3 cc cc cc cc 80 3d 21 f7 f6 01 00 0f 85 5e ff ff ff 48 c7 # [ 77.054455] RSP: 0018:ffff9a8782da7e40 EFLAGS: 00010286 # [ 77.066897] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000 # [ 77.081209] RDX: ffff91073bdac660 RSI: ffff91073bd9bf70 RDI: ffff91073bd9bf70 # [ 77.095792] RBP: ffffffff89bf7ce0 R08: 0000000000000000 R09: 0000000000000000 # [ 77.110117] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 77.124674] R13: ffff9a8782da7f10 R14: ffff9a8782da7f10 R15: ffff9106c5b78000 # [ 77.139041] FS: 00007f18fdf3a580(0000) GS:ffff91073bd80000(0000) knlGS:0000000000000000 # [ 77.154576] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 77.167438] CR2: 00007f18fdd43000 CR3: 0000000103e1e000 CR4: 00000000003506e0 # [ 77.181909] Call Trace: # [ 77.191137] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 77.203774] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x76 # [ 77.216523] direct_entry.cold+0x2c/0x38 # [ 77.227435] full_proxy_write+0x56/0x80 # [ 77.238133] vfs_write+0xea/0x3b0 # [ 77.248483] ksys_write+0x68/0xf0 # [ 77.258537] do_syscall_64+0x33/0x40 # [ 77.269051] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 77.281137] RIP: 0033:0x7f18fde50833 # [ 77.291674] Code: 8b 15 61 26 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 # [ 77.319013] RSP: 002b:00007fff727b31f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 77.333992] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f18fde50833 # [ 77.348373] RDX: 0000000000000020 RSI: 00007f18fdd43000 RDI: 0000000000000001 # [ 77.362852] RBP: 00007f18fdd43000 R08: 00007f18fdd42010 R09: 0000000000000000 # [ 77.377236] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 77.391720] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 77.406154] irq event stamp: 0 # [ 77.416017] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 77.429563] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 77.445131] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 77.460770] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 77.474230] ---[ end trace 388eb702d368971e ]--- # [ 77.485938] 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 <6>[ 78.142541] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO <6>[ 78.149581] lkdtm: attempting good copy_to_user of correct size <6>[ 78.156548] lkdtm: attempting bad copy_to_user of too large size # [ 78.142541] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO # [ 78.149581] lkdtm: attempting good copy_to_user of correct size # [ 78.156548] 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 <6>[ 78.511678] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM <6>[ 78.518926] lkdtm: attempting good copy_from_user of correct size <6>[ 78.526110] lkdtm: attempting bad copy_from_user of too large size # [ 78.511678] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM # [ 78.518926] lkdtm: attempting good copy_from_user of correct size # [ 78.526110] 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 <6>[ 78.893371] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO <6>[ 78.900906] lkdtm: attempting good copy_to_user inside whitelist <6>[ 78.907974] lkdtm: attempting bad copy_to_user outside whitelist # [ 78.893371] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO # [ 78.900906] lkdtm: attempting good copy_to_user inside whitelist # [ 78.907974] 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 <6>[ 79.261954] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM <6>[ 79.269700] lkdtm: attempting good copy_from_user inside whitelist <6>[ 79.276956] lkdtm: attempting bad copy_from_user outside whitelist # [ 79.261954] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM # [ 79.269700] lkdtm: attempting good copy_from_user inside whitelist # [ 79.276956] 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 <6>[ 79.626766] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO <6>[ 79.633995] lkdtm: good_stack: ffff9a8783107e20-ffff9a8783107e40 <6>[ 79.641035] lkdtm: bad_stack : ffff9a8783107da8-ffff9a8783107dc8 <6>[ 79.648069] lkdtm: attempting good copy_to_user of local stack <6>[ 79.654910] lkdtm: attempting bad copy_to_user of distant stack # [ 79.626766] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO # [ 79.633995] lkdtm: good_stack: ffff9a8783107e20-ffff9a8783107e40 # [ 79.641035] lkdtm: bad_stack : ffff9a8783107da8-ffff9a8783107dc8 # [ 79.648069] lkdtm: attempting good copy_to_user of local stack # [ 79.654910] 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 <6>[ 80.013933] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM <6>[ 80.021378] lkdtm: good_stack: ffff9a8783167e20-ffff9a8783167e40 <6>[ 80.028412] lkdtm: bad_stack : ffff9a8783167da8-ffff9a8783167dc8 <6>[ 80.035469] lkdtm: attempting good copy_from_user of local stack <6>[ 80.042564] lkdtm: attempting bad copy_from_user of distant stack # [ 80.013933] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM # [ 80.021378] lkdtm: good_stack: ffff9a8783167e20-ffff9a8783167e40 # [ 80.028412] lkdtm: bad_stack : ffff9a8783167da8-ffff9a8783167dc8 # [ 80.035469] lkdtm: attempting good copy_from_user of local stack # [ 80.042564] 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 <6>[ 80.394226] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND <6>[ 80.401298] lkdtm: good_stack: ffff9a8783237e20-ffff9a8783237e40 <6>[ 80.408349] lkdtm: bad_stack : ffff9a8783237ff8-ffff9a8783238018 <6>[ 80.415739] lkdtm: attempting good copy_to_user of local stack <6>[ 80.422991] lkdtm: attempting bad copy_to_user of distant stack <4>[ 80.430255] lkdtm: copy_to_user failed, but lacked Oops # [ 80.394226] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND # [ 80.401298] lkdtm: good_stack: ffff9a8783237e20-ffff9a8783237e40 # [ 80.408349] lkdtm: bad_stack : ffff9a8783237ff8-ffff9a8783238018 # [ 80.415739] lkdtm: attempting good copy_to_user of local stack # [ 80.422991] lkdtm: attempting bad copy_to_user of distant stack # [ 80.430255] 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 <6>[ 80.782543] lkdtm: Performing direct entry USERCOPY_KERNEL <6>[ 80.789004] lkdtm: attempting good copy_to_user from kernel rodata: ffffffff8977e550 <6>[ 80.797991] lkdtm: attempting bad copy_to_user from kernel text: ffffffff87ee0e50 <3>[ 80.807068] lkdtm: FAIL: survived bad copy_to_user() # [ 80.782543] lkdtm: Performing direct entry USERCOPY_KERNEL # [ 80.789004] lkdtm: attempting good copy_to_user from kernel rodata: ffffffff8977e550 # [ 80.797991] lkdtm: attempting bad copy_to_user from kernel text: ffffffff87ee0e50 # [ 80.807068] 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 <6>[ 81.171278] lkdtm: Performing direct entry STACKLEAK_ERASING <6>[ 81.177922] lkdtm: checking unused part of the thread stack (15928 bytes)... <3>[ 81.186114] lkdtm: FAIL: the erased part is not found (checked 15928 bytes) <3>[ 81.194200] lkdtm: FAIL: the thread stack is NOT properly erased <4>[ 81.201204] CPU: 1 PID: 2867 Comm: cat Tainted: G D W 5.10.178-cip31 #1 <4>[ 81.210131] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 81.217020] Call Trace: <4>[ 81.220056] dump_stack+0x77/0x9b <4>[ 81.224046] lkdtm_STACKLEAK_ERASING+0x116/0x144 <4>[ 81.229485] direct_entry.cold+0x2c/0x38 <4>[ 81.234154] full_proxy_write+0x56/0x80 <4>[ 81.238727] vfs_write+0xea/0x3b0 <4>[ 81.242715] ksys_write+0x68/0xf0 <4>[ 81.246697] do_syscall_64+0x33/0x40 <4>[ 81.250977] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 81.256902] RIP: 0033:0x7ff2c79c9833 <4>[ 81.261182] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 81.282410] RSP: 002b:00007ffe8ef1ea18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 81.291150] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007ff2c79c9833 <4>[ 81.299398] RDX: 0000000000000012 RSI: 00007ff2c78bc000 RDI: 0000000000000001 <4>[ 81.307647] RBP: 00007ff2c78bc000 R08: 00007ff2c78bb010 R09: 0000000000000000 <4>[ 81.315895] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 81.324146] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 81.171278] lkdtm: Performing direct entry STACKLEAK_ERASING # [ 81.177922] lkdtm: checking unused part of the thread stack (15928 bytes)... # [ 81.186114] lkdtm: FAIL: the erased part is not found (checked 15928 bytes) # [ 81.194200] lkdtm: FAIL: the thread stack is NOT properly erased # [ 81.201204] CPU: 1 PID: 2867 Comm: cat Tainted: G D W 5.10.178-cip31 #1 # [ 81.210131] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 81.217020] Call Trace: # [ 81.220056] dump_stack+0x77/0x9b # [ 81.224046] lkdtm_STACKLEAK_ERASING+0x116/0x144 # [ 81.229485] direct_entry.cold+0x2c/0x38 # [ 81.234154] full_proxy_write+0x56/0x80 # [ 81.238727] vfs_write+0xea/0x3b0 # [ 81.242715] ksys_write+0x68/0xf0 # [ 81.246697] do_syscall_64+0x33/0x40 # [ 81.250977] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 81.256902] RIP: 0033:0x7ff2c79c9833 # [ 81.261182] Code: 8b 15 61 26 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 # [ 81.282410] RSP: 002b:00007ffe8ef1ea18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 81.291150] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007ff2c79c9833 # [ 81.299398] RDX: 0000000000000012 RSI: 00007ff2c78bc000 RDI: 0000000000000001 # [ 81.307647] RBP: 00007ff2c78bc000 R08: 00007ff2c78bb010 R09: 0000000000000000 # [ 81.315895] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 81.324146] 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 <6>[ 81.693032] lkdtm: Performing direct entry CFI_FORWARD_PROTO <6>[ 81.699667] lkdtm: Calling matched prototype ... <6>[ 81.705129] lkdtm: Calling mismatched prototype ... <6>[ 81.710878] lkdtm: Fail: survived mismatched prototype function call! # [ 81.693032] lkdtm: Performing direct entry CFI_FORWARD_PROTO # [ 81.699667] lkdtm: Calling matched prototype ... # [ 81.705129] lkdtm: Calling mismatched prototype ... # [ 81.710878] 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 / #