[Enter `^Ec?' for help] coreboot-v1.9308_26_0.0.22-2597-gfa32d89ed3 Tue Sep 29 21:34:05 UTC 2020 bootblock starting... LPC: Trying to open IO window from 800 size 1ff LPC: Opened IO window LGIR0: base 800 size 100 LPC: Opened IO window LGIR1: base 900 size 100 VBOOT: Loading verstage. FMAP: Found "FLASH" version 1.1 at 204000. FMAP: base = 0 size = 1000000 #areas = 35 FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'fallback/verstage' CBFS: Found @ offset ba4c0 size fab4 coreboot-v1.9308_26_0.0.22-2597-gfa32d89ed3 Tue Sep 29 21:34:05 UTC 2020 verstage starting... LPSS I2C bus 2 at 0xfe022000 (400 KHz) TPM ready after 4 ms cr50 TPM 2.0 (i2c 2:0x50 id 0x28) setup_tpm():514: TPM: SetupTPM() succeeded src/lib/tpm2_tlcl.c:208 index 0x1007 return code 0 Phase 1 FMAP: Found "FLASH" version 1.1 at 204000. FMAP: base = 0 size = 1000000 #areas = 35 FMAP: area GBB found @ 380000 (262144 bytes) VB2:vb2_check_recovery() Recovery reason from previous boot: 0x0 / 0x0 Phase 2 Phase 3 FMAP: area GBB found @ 380000 (262144 bytes) VB2:vb2_report_dev_firmware() This is developer signed firmware FMAP: area VBLOCK_A found @ 430000 (65536 bytes) FMAP: area VBLOCK_A found @ 430000 (65536 bytes) VB2:vb2_verify_keyblock() Checking key block signature... FMAP: area VBLOCK_A found @ 430000 (65536 bytes) FMAP: area VBLOCK_A found @ 430000 (65536 bytes) VB2:vb2_verify_fw_preamble() Verifying preamble. Phase 4 FMAP: area FW_MAIN_A found @ 440000 (4652992 bytes) VB2:vb2api_init_hash() HW crypto for hash_alg 2 not supported, using SW VB2:vb2_rsa_verify_digest() Digest check failed! VB2:vb2_fail() Need recovery, reason: 0x1b / 0x7 Saving nvdata Reboot requested (10020007) hard_reset() called! CSE is not yet ready, waiting CSE timed out. Resetting coreboot-v1.9308_26_0.0.22-2597-gfa32d89ed3 Tue Sep 29 21:34:05 UTC 2020 bootblock starting... LPC: Trying to open IO window from 800 size 1ff LPC: Opened IO window LGIR0: base 800 size 100 LPC: Opened IO window LGIR1: base 900 size 100 VBOOT: Loading verstage. FMAP: Found "FLASH" version 1.1 at 204000. FMAP: base = 0 size = 1000000 #areas = 35 FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'fallback/verstage' CBFS: Found @ offset ba4c0 size fab4 coreboot-v1.9308_26_0.0.22-2597-gfa32d89ed3 Tue Sep 29 21:34:05 UTC 2020 verstage starting... LPSS I2C bus 2 at 0xfe022000 (400 KHz) TPM ready after 4 ms cr50 TPM 2.0 (i2c 2:0x50 id 0x28) setup_tpm():514: TPM: SetupTPM() succeeded src/lib/tpm2_tlcl.c:208 index 0x1007 return code 0 Phase 1 FMAP: Found "FLASH" version 1.1 at 204000. FMAP: base = 0 size = 1000000 #areas = 35 FMAP: area GBB found @ 380000 (262144 bytes) VB2:vb2_check_recovery() Recovery reason from previous boot: 0x1b / 0x7 VB2:vb2_check_recovery() We have a recovery request: 0x1b / 0x0 Recovery requested (1009000e) Saving nvdata tlcl_extend: response is 0 tlcl_extend: response is 0 FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'fallback/romstage' CBFS: Found @ offset 80 size 11c5c coreboot-v1.9308_26_0.0.22-2597-gfa32d89ed3 Tue Sep 29 21:34:05 UTC 2020 romstage starting... pm1_sts: 0000 pm1_en: 0000 pm1_cnt: 00001c00 gpe0_sts[0]: 00000000 gpe0_en[0]: 00008000 gpe0_sts[1]: 00000000 gpe0_en[1]: 00000000 gpe0_sts[2]: 00000000 gpe0_en[2]: 00000000 gpe0_sts[3]: 00000000 gpe0_en[3]: 00000000 prsts: 00000000 tco_sts: 00000000 gen_pmcon1: 04004000 gen_pmcon2: 00003a00 gen_pmcon3: 00000000 prev_sleep_state 0 Boot Count incremented to 84268 FMAP: Found "FLASH" version 1.1 at 204000. FMAP: base = 0 size = 1000000 #areas = 35 FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'fspm.bin' CBFS: Found @ offset 2efc0 size 59000 FMAP: area RECOVERY_MRC_CACHE found @ 400000 (65536 bytes) Locality already claimed cr50 TPM 2.0 (i2c 2:0x50 id 0x28) src/lib/tpm2_tlcl.c:208 index 0x100b return code 0 MRC: Hash comparison successful. Using data from RECOVERY_MRC_CACHE MRC cache found, size b2c0 bootmode:2 LPDDR4 SKU id = 0x1 LP4DDR speed is 2400MHz LPDDR4 Ch0 density = 2 LPDDR4 Ch1 density = 2 FMAP: area RW_VAR_MRC_CACHE found @ 420000 (4096 bytes) CBMEM: IMD: root @ 7afff000 254 entries. IMD: root @ 7affec00 62 entries. External stage cache: IMD: root @ 7b7ff000 254 entries. IMD: root @ 7b7fec00 62 entries. creating vboot_handoff structure Chrome EC: clear events_b mask to 0x21004000 src/lib/tpm2_tlcl.c:208 index 0x100b return code 0 tlcl_write: response is 0 src/lib/tpm2_tlcl.c:208 index 0x100b return code 0 MRC: TPM MRC hash updated successfully. CPU: frequency set to 2500 MHz 4 DIMMs found MTRR Range: Start=7a000000 End=7b000000 (Size 1000000) MTRR Range: Start=ff000000 End=0 (Size 1000000) MTRR Range: Start=7b000000 End=7b800000 (Size 800000) FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'fallback/postcar' CBFS: Found @ offset b3000 size 45b8 Decompressing stage fallback/postcar @ 0x7abc5fc0 (34440 bytes) Loading module at 7abc6000 with entry 7abc6000. filesize: 0x4350 memsize: 0x8648 Processing 131 relocs. Offset value of 0x78bc6000 coreboot-v1.9308_26_0.0.22-2597-gfa32d89ed3 Tue Sep 29 21:34:05 UTC 2020 postcar starting... FMAP: Found "FLASH" version 1.1 at 204000. FMAP: base = 0 size = 1000000 #areas = 35 FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'fallback/ramstage' CBFS: Found @ offset 15dc0 size 17c31 Decompressing stage fallback/ramstage @ 0x7ab77fc0 (314352 bytes) Loading module at 7ab78000 with entry 7ab78000. filesize: 0x34618 memsize: 0x4cbb0 Processing 2993 relocs. Offset value of 0x7aa78000 coreboot-v1.9308_26_0.0.22-2597-gfa32d89ed3 Tue Sep 29 21:34:05 UTC 2020 ramstage starting... FMAP: Found "FLASH" version 1.1 at 204000. FMAP: base = 0 size = 1000000 #areas = 35 FMAP: area RO_VPD found @ 200000 (16384 bytes) WARNING: RO_VPD is uninitialized or empty. FMAP: area RW_VPD found @ 428000 (8192 bytes) FMAP: area RW_VPD found @ 428000 (8192 bytes) Normal boot. BS: BS_PRE_DEVICE times (us): entry 2 run 32 exit 0 Board ID: 5 mainboard: EC init Chrome EC: Set WAKE mask to 0x00000000 FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'fsps.bin' CBFS: Found @ offset 88fc0 size 2a000 FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'vbt-babytiger.bin' CBFS: Found @ offset 155800 size 528 Found a VBT of 6656 bytes after decompression ITSS IRQ Polarities Before: IPC0: 0xffffeef8 IPC1: 0xffffffff IPC2: 0xffffffff IPC3: 0x00ffffff ITSS IRQ Polarities After: IPC0: 0xffffeef8 IPC1: 0x4a07ffff IPC2: 0x08000000 IPC3: 0x00a11000 RAPL PL1 12.0W RAPL PL2 15.0W BS: BS_DEV_INIT_CHIPS times (us): entry 0 run 269594 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 4835 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 52729 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 14052 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 9989 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 14055 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 18138 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 18144 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 14050 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 11244 usecs scan_bus: scanning of bus DOMAIN: 0000 took 390873 usecs root_dev_scan_bus for Root Device done scan_bus: scanning of bus Root Device took 410826 usecs done FMAP: area RECOVERY_MRC_CACHE found @ 400000 (65536 bytes) MRC: Checking cached data update for 'RECOVERY_MRC_CACHE'. SF: Detected FAST_SPI Hardware Sequencer with sector size 0x1000, total 0x1000000 FMAP: area RW_VAR_MRC_CACHE found @ 420000 (4096 bytes) MRC: Checking cached data update for 'RW_VAR_MRC_CACHE'. MRC: cache data 'RW_VAR_MRC_CACHE' needs update. FMAP: area RW_ELOG found @ 421000 (12288 bytes) ELOG: NV offset 0x421000 size 0x3000 ELOG: area is 4096 bytes, full threshold 3842, shrink size 1024 ELOG: Event(17) added with size 13 at 2023-06-14 02:06:16 UTC POST: Unexpected post code in previous boot: 0x98 ELOG: Event(A3) added with size 11 at 2023-06-14 02:06:16 UTC ELOG: Event(A6) added with size 13 at 2023-06-14 02:06:16 UTC ELOG: Event(AA) added with size 11 at 2023-06-14 02:06:16 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 699887 exit 103136 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: 00:08 * [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 2951215 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 112469 exit 0 FMAP: area FPF_STATUS found @ 42f000 (4096 bytes) Initializing devices... Root Device init ... Root Device init finished in 2136 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. AP: slot 3 apic_id 4. Waiting for 2nd SIPI to complete...done. AP: slot 2 apic_id 2. Loading module at 00038000 with entry 00038000. filesize: 0x1a8 memsize: 0x1a8 Processing 12 relocs. Offset value of 0x00038000 SMM Module: stub loaded at 00038000. Will call 7ab9065d(00000000) Installing SMM handler to 0x7b000000 Loading module at 7b010000 with entry 7b010cfc. filesize: 0x3550 memsize: 0x7630 Processing 229 relocs. Offset value of 0x7b010000 Loading module at 7b008000 with entry 7b008000. filesize: 0x1a8 memsize: 0x1a8 Processing 12 relocs. Offset value of 0x7b008000 SMM Module: placing jmp sequence at 7b007c00 rel16 0x03fd SMM Module: placing jmp sequence at 7b007800 rel16 0x07fd SMM Module: placing jmp sequence at 7b007400 rel16 0x0bfd SMM Module: stub loaded at 7b008000. Will call 7b010cfc(00000000) Clearing SMI status registers New SMBASE 0x7afff800 Relocation complete. New SMBASE 0x7afffc00 Relocation complete. New SMBASE 0x7b000000 Relocation complete. New SMBASE 0x7afff400 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 #1 CPU: vendor Intel device 506c9 CPU: family 06, model 5c, stepping 09 Initializing CPU #3 CPU #2 initialized CPU: vendor Intel device 506c9 CPU: family 06, model 5c, stepping 09 CPU: vendor Intel device 506c9 CPU: family 06, model 5c, stepping 09 CPU #1 initialized CPU #3 initialized Enabling SMIs. MTRR: TEMPORARY Physical address space: 0x0000000000000000 - 0x00000000000a0000 size 0x000a0000 type 6 0x00000000000a0000 - 0x00000000000c0000 size 0x00020000 type 0 0x00000000000c0000 - 0x000000007b800000 size 0x7b740000 type 6 0x000000007b800000 - 0x00000000ff000000 size 0x83800000 type 0 0x00000000ff000000 - 0x0000000100000000 size 0x01000000 type 5 0x0000000100000000 - 0x0000000180000000 size 0x80000000 type 6 MTRR: default type WB/UC MTRR counts: 10/8. MTRR: UC selected as default type. MTRR: 0 base 0x0000000000000000 mask 0x0000007fc0000000 type 6 MTRR: 1 base 0x0000000040000000 mask 0x0000007fe0000000 type 6 MTRR: 2 base 0x0000000060000000 mask 0x0000007ff0000000 type 6 MTRR: 3 base 0x0000000070000000 mask 0x0000007ff8000000 type 6 MTRR: 4 base 0x0000000078000000 mask 0x0000007ffc000000 type 6 MTRR: 5 base 0x000000007b800000 mask 0x0000007fff800000 type 0 MTRR: 6 base 0x00000000ff000000 mask 0x0000007fff000000 type 5 MTRR: 7 base 0x0000000100000000 mask 0x0000007f00000000 type 6 CPU_CLUSTER: 0 init finished in 468001 usecs PCI: 00:00.0 init ... PCI: 00:00.0 init finished in 2234 usecs PCI: 00:00.1 init ... PCI: 00:00.1 init finished in 2234 usecs PCI: 00:00.2 init ... PCI: 00:00.2 init finished in 2234 usecs PCI: 00:02.0 init ... PCI: 00:02.0 init finished in 2235 usecs PCI: 00:03.0 init ... PCI: 00:03.0 init finished in 2230 usecs PCI: 00:0d.1 init ... gpe0_sts[0]: 00000000 gpe0_en[0]: 00000000 gpe0_sts[1]: 0ead33f7 gpe0_en[1]: 00000000 gpe0_sts[2]: 3ffd0024 gpe0_en[2]: 00000000 gpe0_sts[3]: 800ec00e gpe0_en[3]: 00000000 Disabling ACPI via APMC:Done. SLP S3 assertion width: 50000 usecs PCI: 00:0d.1 init finished in 27345 usecs PCI: 00:0d.2 init ... PCI: 00:0d.2 init finished in 2230 usecs PCI: 00:0f.0 init ... PCI: 00:0f.0 init finished in 2233 usecs PCI: 00:0f.1 init ... PCI: 00:0f.1 init finished in 2230 usecs PCI: 00:0f.2 init ... PCI: 00:0f.2 init finished in 2231 usecs PCI: 00:15.0 init ... PCI: 00:15.0 init finished in 2232 usecs PCI: 00:16.0 init ... LPSS I2C bus 0 at 0xc2b21000 (400 KHz) PCI: 00:16.0 init finished in 6116 usecs PCI: 00:16.1 init ... LPSS I2C bus 1 at 0xc2b23000 (400 KHz) PCI: 00:16.1 init finished in 6114 usecs PCI: 00:16.2 init ... LPSS I2C bus 2 at 0xc2b25000 (400 KHz) PCI: 00:16.2 init finished in 6113 usecs PCI: 00:16.3 init ... LPSS I2C bus 3 at 0xc2b27000 (400 KHz) PCI: 00:16.3 init finished in 6113 usecs PCI: 00:17.0 init ... LPSS I2C bus 4 at 0xc2b29000 (400 KHz) PCI: 00:17.0 init finished in 6117 usecs PCI: 00:17.1 init ... LPSS I2C bus 5 at 0xc2b2b000 (400 KHz) PCI: 00:17.1 init finished in 6108 usecs PCI: 00:19.0 init ... PCI: 00:19.0 init finished in 2231 usecs PCI: 00:1c.0 init ... PCI: 00:1c.0 init finished in 2232 usecs PCI: 00:1f.0 init ... RTC Init PCI: 00:1f.0 init finished in 3560 usecs PCI: 00:1f.1 init ... PCI: 00:1f.1 init finished in 2231 usecs PCI: 01:00.0 init ... PCI: 01:00.0 init finished in 2347 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 42168 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 4983 run 881069 exit 886 ELOG: Event(A1) added with size 10 at 2023-06-14 02:06:20 UTC elog_add_boot_reason: Logged recovery mode boot (Dev-switch on), reason: 0x1b ELOG: Event(A0) added with size 9 at 2023-06-14 02:06:20 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 24867 run 3941 exit 5258 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 d3a5 coreboot table: 1548 bytes. IMD ROOT 0. 7afff000 00001000 IMD SMALL 1. 7affe000 00001000 FSP MEMORY 2. 7abfe000 00400000 CONSOLE 3. 7abde000 00020000 TIME STAMP 4. 7abdd000 00000400 VBOOT 5. 7abdc000 00000c0c MRC DATA 6. 7abd0000 0000b2d0 ROMSTG STCK 7. 7abcf000 00000400 AFTER CAR 8. 7abc5000 0000a000 RAMSTAGE 9. 7ab77000 0004e000 REFCODE 10. 7ab4d000 0002a000 ACPI GNVS 11. 7ab4c000 00001000 SMM BACKUP 12. 7ab3c000 00010000 COREBOOT 13. 7ab34000 00008000 ACPI 14. 7ab10000 00024000 RAMOOPS 15. 7aa10000 00100000 TCPA LOG 16. 7aa00000 00010000 EXT VBT17. 7a9fe000 0000180a SMBIOS 18. 7a9fd000 00000800 IMD small region: IMD ROOT 0. 7affec00 00000400 FSP RUNTIME 1. 7affebe0 00000004 VBOOT SEL 2. 7affebc0 00000008 EC HOSTEVENT 3. 7affeba0 00000004 POWER STATE 4. 7affeb60 00000040 ROMSTAGE 5. 7affeb40 00000004 VARMRC DATA 6. 7affeb00 00000028 MEM INFO 7. 7affe9a0 00000141 VPD 8. 7affe940 00000047 GNVS PTR 9. 7affe920 00000004 BS: BS_WRITE_TABLES times (us): entry 0 run 816018 exit 0 FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'fallback/payload' CBFS: Found @ offset f6d00 size 36dd4 Loading segment from ROM address 0xff37cd38 code (compression=0) New segment dstaddr 0x30104040 memsize 0x251570 srcaddr 0xff37cd70 filesize 0x36d9c Loading segment from ROM address 0xff37cd54 Entry Point 0x30104040 Loading Segment: addr: 0x0000000030104040 memsz: 0x0000000000251570 filesz: 0x0000000000036d9c lb: [0x000000007ab78000, 0x000000007abc4bb0) Post relocation: addr: 0x0000000030104040 memsz: 0x0000000000251570 filesz: 0x0000000000036d9c it's not compressed! [ 0x30104040, 3013addc, 0x303555b0) <- ff37cd70 Clearing Segment: addr: 0x000000003013addc memsz: 0x000000000021a7d4 dest 30104040, end 303555b0, bouncebuffer ffffffff Loaded segments CSE FWSTS1: 0x80000245 CSE FWSTS2: 0x3b850000 CSE FWSTS3: 0x00000000 CSE FWSTS4: 0x00080000 CSE FWSTS5: 0x00000000 CSE FWSTS6: 0x40000000 ME: Manufacturing Mode : NO ME: FPF status : fused BS: BS_PAYLOAD_LOAD times (us): entry 173 run 108009 exit 30935 Jumping to boot code at 30104040(7ab34000) CPU0: stack: 7abb4000 - 7abb5000, lowest used address 7abb481c, stack used: 2020 bytes Starting depthcharge on coral... WARNING: can't convert coreboot GPIOs, 'lid' won't be resampled at runtime! WARNING: can't convert coreboot GPIOs, 'power' won't be resampled at runtime! BIOS MMAP details: IFD Base Offset : 0x1000 IFD End Offset : 0xf7f000 MMAP Size : 0xf7e000 MMAP Start : 0xff082000 The GBB signature is at 0x30004040 and is: 24 47 42 42 [firmware-coral-10068.B-rcn] Dec 21 2020 15:04:32 coral: enet dhcp enet dhcp Waiting for link R8152: Initializing Version 9 (ocp_data = 6010) R8152: Done initializing Adding net device done. MAC: 00:e0:4c:78:86:ca Sending DHCP discover... done. Waiting for reply... done. Sending DHCP request... done. Waiting for reply... done. My ip is 192.168.201.17 The DHCP server ip is 192.168.201.1 coral: tftpboot 192.168.201.1 10716722/tftp-deploy-tkgwk6jk/kernel/bzImage 10716722/tftp-deploy-tkgwk6jk/kernel/cmdline 10716722/tftp-deploy-tkgwk6jk/ramdisk/ramdisk.cpio.gz tftpboot 192.168.201.1 10716722/tftp-deploy-tkgwk6jk/kernel/bzImploy-tkgwk6jk/kernel/cmdline 10716722/tftp-deploy-tkgwk6jk/ramdisk/ramdisk.cpio.gz Waiting for link done. MAC: 00:e0:4c:78:86:ca Sending DHCP discover... done. Waiting for reply... done. Sending DHCP request... done. Waiting for reply... done. My ip is 192.168.201.17 The DHCP server ip is 192.168.201.1 TFTP server IP predefined by user: 192.168.201.1 Bootfile predefined by user: 10716722/tftp-deploy-tkgwk6jk/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 16397280 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: 10716722/tftp-deploy-tkgwk6jk/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/10716722/extract-nfsrootfs-u07vnftj,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: 22007469 Starting kernel ... <5>[ 0.000000] Linux version 5.10.182-cip35 (KernelCI@build-j32995-x86-64-gcc-10-x86-64-defconfig-x86-chromebookdxwnc) (gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2) #1 SMP Wed Jun 14 01:54:33 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/10716722/extract-nfsrootfs-u07vnftj,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>[ 0.000058] last_pfn = 0x180000 max_arch_pfn = 0x400000000 <6>[ 0.000305] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT <6>[ 0.001154] last_pfn = 0x7a9fd max_arch_pfn = 0x400000000 <6>[ 0.005277] check: Scanning 1 areas for low memory corruption <6>[ 0.005290] Using GB pages for direct mapping <6>[ 0.006047] RAMDISK: [mem 0x375d8000-0x37ffffff] <6>[ 0.006055] ACPI: Early table checksum verification disabled <6>[ 0.006063] ACPI: RSDP 0x00000000000F0000 000024 (v02 CORE ) <6>[ 0.006074] ACPI: XSDT 0x000000007AB100E0 00005C (v01 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.006087] ACPI: FACP 0x000000007AB13130 0000F4 (v04 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.006101] ACPI: DSDT 0x000000007AB10280 002EA8 (v05 COREv4 COREBOOT 20110725 INTL 20150717) <6>[ 0.006112] ACPI: FACS 0x000000007AB10240 000040 <6>[ 0.006121] ACPI: FACS 0x000000007AB10240 000040 <6>[ 0.006129] ACPI: SSDT 0x000000007AB13230 0015FA (v02 CORE COREBOOT 0000002A CORE 0000002A) <6>[ 0.006139] ACPI: MCFG 0x000000007AB14830 00003C (v01 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.006149] ACPI: TCPA 0x000000007AB14870 000032 (v02 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.006158] ACPI: APIC 0x000000007AB148B0 00006C (v01 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.006168] ACPI: NHLT 0x000000007AB14920 000E60 (v05 coral coral 00000021 CORE 00000000) <6>[ 0.006178] ACPI: HPET 0x000000007AB17780 000038 (v01 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.006188] ACPI: Reserving FACP table memory at [mem 0x7ab13130-0x7ab13223] <6>[ 0.006192] ACPI: Reserving DSDT table memory at [mem 0x7ab10280-0x7ab13127] <6>[ 0.006196] ACPI: Reserving FACS table memory at [mem 0x7ab10240-0x7ab1027f] <6>[ 0.006200] ACPI: Reserving FACS table memory at [mem 0x7ab10240-0x7ab1027f] <6>[ 0.006204] ACPI: Reserving SSDT table memory at [mem 0x7ab13230-0x7ab14829] <6>[ 0.006208] ACPI: Reserving MCFG table memory at [mem 0x7ab14830-0x7ab1486b] <6>[ 0.006212] ACPI: Reserving TCPA table memory at [mem 0x7ab14870-0x7ab148a1] <6>[ 0.006216] ACPI: Reserving APIC table memory at [mem 0x7ab148b0-0x7ab1491b] <6>[ 0.006220] ACPI: Reserving NHLT table memory at [mem 0x7ab14920-0x7ab1577f] <6>[ 0.006223] ACPI: Reserving HPET table memory at [mem 0x7ab17780-0x7ab177b7] <6>[ 0.006344] No NUMA configuration found <6>[ 0.006348] Faking a node at [mem 0x0000000000000000-0x000000017fffffff] <6>[ 0.006358] NODE_DATA(0) allocated [mem 0x17fff9000-0x17fffcfff] <6>[ 0.006403] Zone ranges: <6>[ 0.006408] DMA [mem 0x0000000000001000-0x0000000000ffffff] <6>[ 0.006414] DMA32 [mem 0x0000000001000000-0x00000000ffffffff] <6>[ 0.006420] Normal [mem 0x0000000100000000-0x000000017fffffff] <6>[ 0.006426] Movable zone start for each node <6>[ 0.006430] Early memory node ranges <6>[ 0.006434] node 0: [mem 0x0000000000001000-0x000000000009ffff] <6>[ 0.006438] node 0: [mem 0x0000000000100000-0x000000000fffffff] <6>[ 0.006442] node 0: [mem 0x0000000012151000-0x000000007a9fcfff] <6>[ 0.006446] node 0: [mem 0x0000000100000000-0x000000017fffffff] <6>[ 0.006452] Initmem setup node 0 [mem 0x0000000000001000-0x000000017fffffff] <6>[ 0.006482] On node 0, zone DMA: 1 pages in unavailable ranges <6>[ 0.006532] On node 0, zone DMA: 96 pages in unavailable ranges <6>[ 0.013070] On node 0, zone DMA32: 8529 pages in unavailable ranges <6>[ 0.020364] On node 0, zone Normal: 22019 pages in unavailable ranges <6>[ 0.020398] Reserving Intel graphics memory at [mem 0x7c000000-0x7fffffff] <6>[ 0.020708] ACPI: PM-Timer IO Port: 0x408 <6>[ 0.020782] IOAPIC[0]: apic_id 2, version 32, address 0xfec00000, GSI 0-119 <6>[ 0.020797] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl) <6>[ 0.020803] 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>[ 0.020891] PM: hibernation: Registered nosave memory: [mem 0x7b000000-0x7fffffff] <6>[ 0.020895] PM: hibernation: Registered nosave memory: [mem 0x80000000-0xcfffffff] <6>[ 0.020898] PM: hibernation: Registered nosave memory: [mem 0xd0000000-0xd0ffffff] <6>[ 0.020902] PM: hibernation: Registered nosave memory: [mem 0xd1000000-0xdfffffff] <6>[ 0.020906] PM: hibernation: Registered nosave memory: [mem 0xe0000000-0xefffffff] <6>[ 0.020910] 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>[ 0.020934] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1910969940391419 ns <6>[ 0.031188] setup_percpu: NR_CPUS:64 nr_cpumask_bits:64 nr_cpu_ids:4 nr_node_ids:1 <6>[ 0.031820] percpu: Embedded 59 pages/cpu s200848 r8192 d32624 u524288 <6>[ 0.031927] Built 1 zonelists, mobility grouping on. Total pages: 1002002 <6>[ 0.031936] Policy zone: Normal <5>[ 0.031954] 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/10716722/extract-nfsrootfs-u07vnftj,tcp,hard ip=dhcp tftpserverip=192.168.201.1 <6>[ 0.032939] Dentry cache hash table entries: 524288 (order: 10, 4194304 bytes, linear) <6>[ 0.033378] Inode-cache hash table entries: 262144 (order: 9, 2097152 bytes, linear) <6>[ 0.033444] mem auto-init: stack:off, heap alloc:off, heap free:off <6>[ 0.066686] Memory: 3860860K/4071724K available (22546K kernel code, 3691K rwdata, 9380K rodata, 2148K init, 14096K bss, 210604K reserved, 0K cma-reserved) <6>[ 0.066847] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1 <6>[ 0.066905] Kernel/User page tables isolation: enabled <6>[ 0.066983] ftrace: allocating 60761 entries in 238 pages <6>[ 0.101920] ftrace: allocated 238 pages with 6 groups <6>[ 0.102269] Running RCU self tests <6>[ 0.102287] rcu: Hierarchical RCU implementation. <6>[ 0.102291] rcu: RCU event tracing is enabled. <6>[ 0.102295] rcu: RCU lockdep checking is enabled. <6>[ 0.102299] rcu: RCU restricting CPUs from NR_CPUS=64 to nr_cpu_ids=4. <6>[ 0.102303] Rude variant of Tasks RCU enabled. <6>[ 0.102307] Tracing variant of Tasks RCU enabled. <6>[ 0.102312] rcu: RCU calculated value of scheduler-enlistment delay is 100 jiffies. <6>[ 0.102316] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=4 <6>[ 0.110387] NR_IRQS: 4352, nr_irqs: 1024, preallocated irqs: 16 <5>[ 0.110825] random: crng init done <6>[ 0.110936] Console: colour dummy device 80x25 <6>[ 0.182822] printk: console [ttyS2] enabled <4>[ 0.183199] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar <4>[ 0.183868] ... MAX_LOCKDEP_SUBCLASSES: 8 <4>[ 0.184246] ... MAX_LOCK_DEPTH: 48 <4>[ 0.184621] ... MAX_LOCKDEP_KEYS: 8192 <4>[ 0.185016] ... CLASSHASH_SIZE: 4096 <4>[ 0.185416] ... MAX_LOCKDEP_ENTRIES: 32768 <4>[ 0.185812] ... MAX_LOCKDEP_CHAINS: 65536 <4>[ 0.186213] ... CHAINHASH_SIZE: 32768 <4>[ 0.186621] memory used by lock dependency info: 6365 kB <4>[ 0.187094] memory used for stack traces: 4224 kB <4>[ 0.187526] per task-struct memory footprint: 1920 bytes <6>[ 0.188071] ACPI: Core revision 20200925 <6>[ 0.188697] clocksource: hpet: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 99544814920 ns <6>[ 0.189559] APIC: Switch to symmetric I/O mode setup <6>[ 0.194458] ..TIMER: vector=0x30 apic1=0 pin1=2 apic2=-1 pin2=-1 <6>[ 0.199549] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0xfc66f4fc7c, max_idle_ns: 440795224246 ns <6>[ 0.200458] Calibrating delay loop (skipped), value calculated using timer frequency.. 2188.80 BogoMIPS (lpj=1094400) <6>[ 0.201445] pid_max: default: 32768 minimum: 301 <6>[ 0.202515] LSM: Security Framework initializing <6>[ 0.202962] SELinux: Initializing. <6>[ 0.203501] LSM support for eBPF active <6>[ 0.203892] Mount-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) <6>[ 0.204458] Mountpoint-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) <6>[ 0.206620] mce: CPU0: Thermal monitoring enabled (TM1) <6>[ 0.207188] Last level iTLB entries: 4KB 48, 2MB 0, 4MB 0 <6>[ 0.207445] Last level dTLB entries: 4KB 0, 2MB 0, 4MB 0, 1GB 0 <6>[ 0.207980] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization <6>[ 0.208446] Spectre V2 : Mitigation: Retpolines <6>[ 0.208863] Spectre V2 : Spectre v2 / SpectreRSB mitigation: Filling RSB on context switch <6>[ 0.209445] Spectre V2 : Spectre v2 / SpectreRSB : Filling RSB on VMEXIT <6>[ 0.210446] Speculative Store Bypass: Vulnerable <4>[ 0.231805] ------------[ cut here ]------------ <4>[ 0.232240] missing return thunk: lkdtm_rodata_do_nothing+0x0/0x10-lkdtm_rodata_do_nothing+0x5/0x10: e9 00 00 00 00 <4>[ 0.232253] WARNING: CPU: 0 PID: 0 at arch/x86/kernel/alternative.c:712 apply_returns+0x1f5/0x220 <4>[ 0.233445] Modules linked in: <4>[ 0.233740] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.10.182-cip35 #1 <4>[ 0.234445] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 0.234974] RIP: 0010:apply_returns+0x1f5/0x220 <4>[ 0.235448] 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 c8 61 4f 83 c6 05 6b ea 46 02 01 e8 82 e7 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>[ 0.236444] RSP: 0000:ffffffff83803de0 EFLAGS: 00010282 <4>[ 0.237446] RAX: 0000000000000000 RBX: ffffffff8440b2f4 RCX: 0000000000000000 <4>[ 0.238066] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff81777c91 <4>[ 0.238445] RBP: ffffffff8317ece0 R08: 0000000000000001 R09: 0000000000000001 <4>[ 0.239444] R10: ffffffff8388fee0 R11: 3fffffffffffffff R12: ffffffff844233fc <4>[ 0.240065] R13: cccccccccccccccc R14: ffffffff8317ece5 R15: 0000000000000004 <4>[ 0.240445] FS: 0000000000000000(0000) GS:ffff930a3bc00000(0000) knlGS:0000000000000000 <4>[ 0.241445] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 0.241955] CR2: ffff930a3ffff000 CR3: 0000000076426000 CR4: 00000000003506f0 <4>[ 0.242445] Call Trace: <4>[ 0.242693] ? __warn+0x80/0x110 <4>[ 0.243002] ? apply_returns+0x1f5/0x220 <4>[ 0.243449] ? report_bug+0x9e/0xc0 <4>[ 0.243782] ? __warn_printk+0x6c/0x8d <4>[ 0.244128] ? handle_bug+0x41/0x90 <4>[ 0.244446] ? exc_invalid_op+0x14/0x70 <4>[ 0.244799] ? asm_exc_invalid_op+0x12/0x20 <4>[ 0.245195] ? console_unlock+0x4d1/0x5f0 <4>[ 0.245807] ? apply_returns+0x1f5/0x220 <4>[ 0.246169] ? lock_acquire+0xbf/0x280 <4>[ 0.246463] alternative_instructions+0x7d/0x143 <4>[ 0.246879] check_bugs+0xe9f/0xefb <4>[ 0.247214] start_kernel+0x517/0x54d <4>[ 0.247452] secondary_startup_64_no_verify+0xc2/0xcb <4>[ 0.247921] irq event stamp: 108527 <4>[ 0.248249] hardirqs last enabled at (108535): [] console_unlock+0x4d1/0x5f0 <4>[ 0.248445] hardirqs last disabled at (108546): [] console_unlock+0x444/0x5f0 <4>[ 0.249446] softirqs last enabled at (108556): [] irq_enter_rcu+0x71/0x80 <4>[ 0.250445] softirqs last disabled at (108567): [] irq_enter_rcu+0x56/0x80 <4>[ 0.251174] ---[ end trace bf7d0a621a4c665c ]--- <6>[ 0.260788] Freeing SMP alternatives memory: 48K <6>[ 0.261848] smpboot: CPU0: Intel(R) Pentium(R) CPU N4200 @ 1.10GHz (family: 0x6, model: 0x5c, stepping: 0x9) <6>[ 0.265557] Performance Events: PEBS fmt3+, Goldmont events, 32-deep LBR, full-width counters, Intel PMU driver. <6>[ 0.266456] ... version: 4 <6>[ 0.267446] ... bit width: 48 <6>[ 0.268445] ... generic registers: 4 <6>[ 0.269446] ... value mask: 0000ffffffffffff <6>[ 0.270445] ... max period: 00007fffffffffff <6>[ 0.271445] ... fixed-purpose events: 3 <6>[ 0.272445] ... event mask: 000000070000000f <6>[ 0.274655] rcu: Hierarchical SRCU implementation. <6>[ 0.281680] smp: Bringing up secondary CPUs ... <6>[ 0.285507] x86: Booting SMP configuration: <6>[ 0.286448] .... node #0, CPUs: #1 #2 #3 <6>[ 0.299507] smp: Brought up 1 node, 4 CPUs <6>[ 0.301446] smpboot: Max logical packages: 1 <6>[ 0.302446] smpboot: Total of 4 processors activated (8755.20 BogoMIPS) <6>[ 0.311451] devtmpfs: initialized <6>[ 0.313497] x86/mm: Memory block size: 128MB <6>[ 0.328485] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1911260446275000 ns <6>[ 0.329463] futex hash table entries: 1024 (order: 5, 131072 bytes, linear) <6>[ 0.331681] pinctrl core: initialized pinctrl subsystem <6>[ 0.335661] PM: RTC time: 02:06:37, date: 2023-06-14 <6>[ 0.338525] NET: Registered protocol family 16 <6>[ 0.341612] audit: initializing netlink subsys (disabled) <5>[ 0.342521] audit: type=2000 audit(1686708397.147:1): state=initialized audit_enabled=0 res=1 <6>[ 0.345573] thermal_sys: Registered thermal governor 'step_wise' <6>[ 0.345668] thermal_sys: Registered thermal governor 'user_space' <6>[ 0.346539] cpuidle: using governor menu <6>[ 0.349459] ACPI: bus type PCI registered <6>[ 0.352565] PCI: MMCONFIG for domain 0000 [bus 00-ff] at [mem 0xe0000000-0xefffffff] (base 0xe0000000) <6>[ 0.355452] PCI: MMCONFIG at [mem 0xe0000000-0xefffffff] reserved in E820 <6>[ 0.358498] PCI: Using configuration type 1 for base access <6>[ 0.483601] Kprobes globally optimized <6>[ 0.487478] HugeTLB registered 1.00 GiB page size, pre-allocated 0 pages <6>[ 0.489448] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages <6>[ 0.494492] cryptomgr_test (39) used greatest stack depth: 14880 bytes left <6>[ 0.505620] ACPI: Added _OSI(Module Device) <6>[ 0.507448] ACPI: Added _OSI(Processor Device) <6>[ 0.509447] ACPI: Added _OSI(3.0 _SCP Extensions) <6>[ 0.511446] ACPI: Added _OSI(Processor Aggregator Device) <6>[ 0.513448] ACPI: Added _OSI(Linux-Dell-Video) <6>[ 0.514447] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio) <6>[ 0.516448] ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics) <6>[ 0.546613] ACPI: 2 ACPI AML tables successfully acquired and loaded <6>[ 0.570517] ACPI: EC: EC started <6>[ 0.572445] ACPI: EC: interrupt blocked <6>[ 0.575468] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62 <6>[ 0.577451] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC used to handle transactions <6>[ 0.580446] ACPI: Interpreter enabled <6>[ 0.581494] ACPI: (supports S0 S3 S5) <6>[ 0.583449] ACPI: Using IOAPIC for interrupt routing <6>[ 0.585491] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug <6>[ 0.590658] ACPI: Enabled 1 GPEs in block 00 to 7F <6>[ 0.606485] ACPI: Power Resource [PXP] (on) <6>[ 0.640656] ACPI: Power Resource [PRIC] (on) <6>[ 0.672617] ACPI: Power Resource [PRIC] (on) <6>[ 0.784475] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) <6>[ 0.787458] acpi PNP0A08:00: _OSC: OS supports [ExtendedConfig ASPM ClockPM Segments MSI HPX-Type3] <6>[ 0.790679] acpi PNP0A08:00: _OSC: OS now controls [PME PCIeCapability LTR] <6>[ 0.795595] PCI host bridge to bus 0000:00 <6>[ 0.798460] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] <6>[ 0.800448] pci_bus 0000:00: root bus resource [io 0x1000-0xffff window] <6>[ 0.803449] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] <6>[ 0.805449] pci_bus 0000:00: root bus resource [mem 0x7b800000-0x7fffffff window] <6>[ 0.808448] pci_bus 0000:00: root bus resource [mem 0x80000000-0xe0000000 window] <6>[ 0.811449] pci_bus 0000:00: root bus resource [bus 00-ff] <6>[ 0.813524] pci 0000:00:00.0: [8086:5af0] type 00 class 0x060000 <6>[ 0.818523] pci 0000:00:00.1: [8086:5a8c] type 00 class 0x118000 <6>[ 0.821485] pci 0000:00:00.1: reg 0x10: [mem 0xc2b10000-0xc2b17fff 64bit] <6>[ 0.825532] pci 0000:00:00.2: [8086:5a8e] type 00 class 0x130000 <6>[ 0.828467] pci 0000:00:00.2: reg 0x10: [mem 0xc2800000-0xc28fffff 64bit] <6>[ 0.830459] pci 0000:00:00.2: reg 0x18: [mem 0xc2000000-0xc27fffff 64bit] <6>[ 0.833459] pci 0000:00:00.2: reg 0x20: [mem 0xc2b38000-0xc2b381ff 64bit] <6>[ 0.836585] pci 0000:00:02.0: [8086:5a84] type 00 class 0x030000 <6>[ 0.839468] pci 0000:00:02.0: reg 0x10: [mem 0xc0000000-0xc0ffffff 64bit] <6>[ 0.842459] pci 0000:00:02.0: reg 0x18: [mem 0xb0000000-0xbfffffff 64bit pref] <6>[ 0.844454] pci 0000:00:02.0: reg 0x20: [io 0x1000-0x103f] <6>[ 0.847611] pci 0000:00:03.0: [8086:5a88] type 00 class 0x048000 <6>[ 0.850464] pci 0000:00:03.0: reg 0x10: [mem 0xc1000000-0xc1ffffff 64bit] <6>[ 0.854682] pci 0000:00:0e.0: [8086:5a98] type 00 class 0x040100 <6>[ 0.857477] pci 0000:00:0e.0: reg 0x10: [mem 0xc2b18000-0xc2b1bfff 64bit] <6>[ 0.860493] pci 0000:00:0e.0: reg 0x20: [mem 0xc2900000-0xc29fffff 64bit] <6>[ 0.862559] pci 0000:00:0e.0: PME# supported from D0 D3hot D3cold <6>[ 0.867527] pci 0000:00:0f.0: [8086:5a9a] type 00 class 0x078000 <6>[ 0.870486] pci 0000:00:0f.0: reg 0x10: [mem 0xc2b1e000-0xc2b1efff 64bit] <6>[ 0.872599] pci 0000:00:0f.0: PME# supported from D3hot <6>[ 0.876632] pci 0000:00:14.0: [8086:5ad6] type 01 class 0x060400 <6>[ 0.879620] pci 0000:00:14.0: PME# supported from D0 D3hot D3cold <6>[ 0.884509] pci 0000:00:15.0: [8086:5aa8] type 00 class 0x0c0330 <6>[ 0.886472] pci 0000:00:15.0: reg 0x10: [mem 0xc2b00000-0xc2b0ffff 64bit] <6>[ 0.889551] pci 0000:00:15.0: PME# supported from D3hot D3cold <6>[ 0.893486] pci 0000:00:16.0: [8086:5aac] type 00 class 0x118000 <6>[ 0.896485] pci 0000:00:16.0: reg 0x10: [mem 0xc2b21000-0xc2b21fff 64bit] <6>[ 0.898471] pci 0000:00:16.0: reg 0x18: [mem 0xc2b22000-0xc2b22fff 64bit] <6>[ 0.903519] pci 0000:00:16.1: [8086:5aae] type 00 class 0x118000 <6>[ 0.905484] pci 0000:00:16.1: reg 0x10: [mem 0xc2b23000-0xc2b23fff 64bit] <6>[ 0.908471] pci 0000:00:16.1: reg 0x18: [mem 0xc2b24000-0xc2b24fff 64bit] <6>[ 0.912524] pci 0000:00:16.2: [8086:5ab0] type 00 class 0x118000 <6>[ 0.915486] pci 0000:00:16.2: reg 0x10: [mem 0xc2b25000-0xc2b25fff 64bit] <6>[ 0.917471] pci 0000:00:16.2: reg 0x18: [mem 0xc2b26000-0xc2b26fff 64bit] <6>[ 0.922518] pci 0000:00:16.3: [8086:5ab2] type 00 class 0x118000 <6>[ 0.925490] pci 0000:00:16.3: reg 0x10: [mem 0xc2b27000-0xc2b27fff 64bit] <6>[ 0.927470] pci 0000:00:16.3: reg 0x18: [mem 0xc2b28000-0xc2b28fff 64bit] <6>[ 0.932557] pci 0000:00:17.0: [8086:5ab4] type 00 class 0x118000 <6>[ 0.934485] pci 0000:00:17.0: reg 0x10: [mem 0xc2b29000-0xc2b29fff 64bit] <6>[ 0.937471] pci 0000:00:17.0: reg 0x18: [mem 0xc2b2a000-0xc2b2afff 64bit] <6>[ 0.942514] pci 0000:00:17.1: [8086:5ab6] type 00 class 0x118000 <6>[ 0.944492] pci 0000:00:17.1: reg 0x10: [mem 0xc2b2b000-0xc2b2bfff 64bit] <6>[ 0.947479] pci 0000:00:17.1: reg 0x18: [mem 0xc2b2c000-0xc2b2cfff 64bit] <6>[ 0.951560] pci 0000:00:18.0: [8086:5abc] type 00 class 0x118000 <6>[ 0.954484] pci 0000:00:18.0: reg 0x10: [mem 0xc2b2d000-0xc2b2dfff 64bit] <6>[ 0.956470] pci 0000:00:18.0: reg 0x18: [mem 0xc2b2e000-0xc2b2efff 64bit] <6>[ 0.961516] pci 0000:00:18.1: [8086:5abe] type 00 class 0x118000 <6>[ 0.964485] pci 0000:00:18.1: reg 0x10: [mem 0xc2b2f000-0xc2b2ffff 64bit] <6>[ 0.966470] pci 0000:00:18.1: reg 0x18: [mem 0xc2b30000-0xc2b30fff 64bit] <6>[ 0.971513] pci 0000:00:18.2: [8086:5ac0] type 00 class 0x118000 <6>[ 0.973484] pci 0000:00:18.2: reg 0x10: [mem 0xde000000-0xde000fff 64bit] <6>[ 0.976471] pci 0000:00:18.2: reg 0x18: [mem 0xc2b31000-0xc2b31fff 64bit] <6>[ 0.980552] pci 0000:00:19.0: [8086:5ac2] type 00 class 0x118000 <6>[ 0.983484] pci 0000:00:19.0: reg 0x10: [mem 0xc2b32000-0xc2b32fff 64bit] <6>[ 0.986471] pci 0000:00:19.0: reg 0x18: [mem 0xc2b33000-0xc2b33fff 64bit] <6>[ 0.990569] pci 0000:00:1b.0: [8086:5aca] type 00 class 0x080501 <6>[ 0.993473] pci 0000:00:1b.0: reg 0x10: [mem 0xc2b34000-0xc2b34fff 64bit] <6>[ 0.995463] pci 0000:00:1b.0: reg 0x18: [mem 0xc2b35000-0xc2b35fff 64bit] <6>[ 1.000481] pci 0000:00:1c.0: [8086:5acc] type 00 class 0x080501 <6>[ 1.002476] pci 0000:00:1c.0: reg 0x10: [mem 0xc2b36000-0xc2b36fff 64bit] <6>[ 1.005464] pci 0000:00:1c.0: reg 0x18: [mem 0xc2b37000-0xc2b37fff 64bit] <6>[ 1.009589] pci 0000:00:1f.0: [8086:5ae8] type 00 class 0x060100 <6>[ 1.014548] pci 0000:00:1f.1: [8086:5ad4] type 00 class 0x0c0500 <6>[ 1.017522] pci 0000:00:1f.1: reg 0x10: [mem 0xc2b39000-0xc2b390ff 64bit] <6>[ 1.019542] pci 0000:00:1f.1: reg 0x20: [io 0x1040-0x105f] <6>[ 1.027505] pci 0000:01:00.0: [8086:095a] type 00 class 0x028000 <6>[ 1.029636] pci 0000:01:00.0: reg 0x10: [mem 0xc2a00000-0xc2a01fff 64bit] <6>[ 1.035451] pci 0000:01:00.0: Upstream bridge's Max Payload Size set to 128 (was 256, max 256) <6>[ 1.038593] pci 0000:01:00.0: Max Payload Size set to 128 (was 128, max 128) <6>[ 1.045595] pci 0000:01:00.0: PME# supported from D0 D3hot D3cold <6>[ 1.056501] pci 0000:00:14.0: PCI bridge to [bus 01] <6>[ 1.058458] pci 0000:00:14.0: bridge window [mem 0xc2a00000-0xc2afffff] <6>[ 1.086649] ACPI: EC: interrupt unblocked <6>[ 1.088446] ACPI: EC: event unblocked <6>[ 1.090446] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62 <6>[ 1.092446] ACPI: EC: GPE=0x2b <6>[ 1.093449] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC initialization complete <6>[ 1.095448] ACPI: \_SB_.PCI0.LPCB.EC0_: EC: Used to handle transactions and events <6>[ 1.101470] iommu: Default domain type: Translated <6>[ 1.104584] pci 0000:00:02.0: vgaarb: setting as boot VGA device <6>[ 1.105071] pci 0000:00:02.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none <6>[ 1.110473] pci 0000:00:02.0: vgaarb: bridge control possible <6>[ 1.112447] vgaarb: loaded <5>[ 1.115479] SCSI subsystem initialized <6>[ 1.118589] ACPI: bus type USB registered <6>[ 1.120565] usbcore: registered new interface driver usbfs <6>[ 1.122497] usbcore: registered new interface driver hub <6>[ 1.124483] usbcore: registered new device driver usb <6>[ 1.127554] mc: Linux media interface: v0.10 <6>[ 1.129475] videodev: Linux video capture interface: v2.00 <6>[ 1.131480] pps_core: LinuxPPS API ver. 1 registered <6>[ 1.133446] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <6>[ 1.136457] PTP clock support registered <6>[ 1.139555] Advanced Linux Sound Architecture Driver Initialized. <6>[ 1.145592] NetLabel: Initializing <6>[ 1.147447] NetLabel: domain hash size = 128 <6>[ 1.149445] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO <6>[ 1.151507] NetLabel: unlabeled traffic allowed by default <6>[ 1.154533] PCI: Using ACPI for IRQ routing <4>[ 1.279470] Expanded resource Reserved due to conflict with PCI Bus 0000:00 <6>[ 1.282543] hpet0: at MMIO 0xfed00000, IRQs 2, 8, 0, 0, 0, 0, 0, 0 <6>[ 1.285448] hpet0: 8 comparators, 64-bit 19.200000 MHz counter <6>[ 1.304552] clocksource: Switched to clocksource tsc-early <5>[ 1.688351] VFS: Disk quotas dquot_6.6.0 <6>[ 1.688775] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) <6>[ 1.689751] pnp: PnP ACPI init <6>[ 1.690730] system 00:00: [io 0x0900-0x09fe] has been reserved <6>[ 1.691483] system 00:01: [io 0x0200] has been reserved <6>[ 1.691978] system 00:01: [io 0x0204] has been reserved <6>[ 1.692447] system 00:01: [io 0x0800-0x087f] has been reserved <6>[ 1.692982] system 00:01: [io 0x0880-0x08ff] has been reserved <6>[ 1.696020] pnp: PnP ACPI: found 3 devices <6>[ 1.709503] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns <6>[ 1.710397] NET: Registered protocol family 2 <6>[ 1.711023] IP idents hash table entries: 65536 (order: 7, 524288 bytes, linear) <6>[ 1.713068] tcp_listen_portaddr_hash hash table entries: 2048 (order: 5, 163840 bytes, linear) <6>[ 1.714082] TCP established hash table entries: 32768 (order: 6, 262144 bytes, linear) <6>[ 1.714989] TCP bind hash table entries: 32768 (order: 9, 2359296 bytes, linear) <6>[ 1.717617] TCP: Hash tables configured (established 32768 bind 32768) <6>[ 1.718746] MPTCP token hash table entries: 4096 (order: 6, 360448 bytes, linear) <6>[ 1.719703] UDP hash table entries: 2048 (order: 6, 327680 bytes, linear) <6>[ 1.720581] UDP-Lite hash table entries: 2048 (order: 6, 327680 bytes, linear) <6>[ 1.721713] NET: Registered protocol family 1 <6>[ 1.722926] RPC: Registered named UNIX socket transport module. <6>[ 1.723477] RPC: Registered udp transport module. <6>[ 1.723908] RPC: Registered tcp transport module. <6>[ 1.724336] RPC: Registered tcp NFSv4.1 backchannel transport module. <6>[ 1.725454] NET: Registered protocol family 44 <6>[ 1.725900] pci 0000:00:14.0: PCI bridge to [bus 01] <6>[ 1.726354] pci 0000:00:14.0: bridge window [mem 0xc2a00000-0xc2afffff] <6>[ 1.726976] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7 window] <6>[ 1.727518] pci_bus 0000:00: resource 5 [io 0x1000-0xffff window] <6>[ 1.728075] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window] <6>[ 1.728674] pci_bus 0000:00: resource 7 [mem 0x7b800000-0x7fffffff window] <6>[ 1.729285] pci_bus 0000:00: resource 8 [mem 0x80000000-0xe0000000 window] <6>[ 1.729896] pci_bus 0000:01: resource 1 [mem 0xc2a00000-0xc2afffff] <6>[ 1.730639] pci 0000:00:02.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff] <6>[ 1.733475] PCI: CLS 64 bytes, default 64 <6>[ 1.734240] Unpacking initramfs... <6>[ 2.010019] Freeing initrd memory: 10400K <6>[ 2.010397] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) <6>[ 2.011056] software IO TLB: mapped [mem 0x0000000070200000-0x0000000074200000] (64MB) <6>[ 2.012058] RAPL PMU: API unit is 2^-32 Joules, 4 fixed counters, 655360 ms ovfl timer <6>[ 2.012765] RAPL PMU: hw unit of domain pp0-core 2^-14 Joules <6>[ 2.013274] RAPL PMU: hw unit of domain package 2^-14 Joules <6>[ 2.013801] RAPL PMU: hw unit of domain dram 2^-14 Joules <6>[ 2.014274] RAPL PMU: hw unit of domain pp1-gpu 2^-14 Joules <3>[ 2.015928] kvm: already loaded the other module <6>[ 2.016360] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0xfc66f4fc7c, max_idle_ns: 440795224246 ns <6>[ 2.017269] clocksource: Switched to clocksource tsc <6>[ 2.017815] platform rtc_cmos: registered platform RTC device (no PNP device found) <6>[ 2.020455] check: Scanning for low memory corruption every 60 seconds <5>[ 2.023209] Initialise system trusted keyrings <6>[ 2.023881] workingset: timestamp_bits=56 max_order=20 bucket_order=0 <5>[ 2.038949] NFS: Registering the id_resolver key type <5>[ 2.039450] Key type id_resolver registered <5>[ 2.039864] Key type id_legacy registered <5>[ 2.051139] Key type asymmetric registered <5>[ 2.051552] Asymmetric key parser 'x509' registered <6>[ 2.052070] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 248) <6>[ 2.052738] io scheduler mq-deadline registered <6>[ 2.053151] io scheduler kyber registered <4>[ 2.053740] test_firmware: interface ready <6>[ 2.054867] pcieport 0000:00:14.0: PME: Signaling with IRQ 120 <6>[ 2.056456] ACPI: AC Adapter [AC] (on-line) <6>[ 2.057143] input: Lid Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:14/PNP0C09:00/PNP0C0D:00/input/input0 <6>[ 2.058699] ACPI: Lid Switch [LID0] <6>[ 2.059189] input: Power Button as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0C:00/input/input1 <6>[ 2.060061] ACPI: Power Button [PWRB] <6>[ 2.060553] input: Sleep Button as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0E:00/input/input2 <6>[ 2.061436] ACPI: Sleep Button [SLP] <6>[ 2.061944] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input3 <6>[ 2.062749] ACPI: Power Button [PWRF] <6>[ 2.063294] ACPI: \_PR_.CP00: Found 3 idle states <6>[ 2.064365] ACPI: \_PR_.CP01: Found 3 idle states <6>[ 2.065168] ACPI: \_PR_.CP02: Found 3 idle states <6>[ 2.065958] ACPI: \_PR_.CP03: Found 3 idle states <6>[ 2.067743] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled <6>[ 2.070271] battery: ACPI: Battery Slot [BAT0] (battery present) <6>[ 2.071006] Non-volatile memory driver v1.3 <6>[ 2.071752] Linux agpgart interface v0.103 <6>[ 2.072583] [drm] amdgpu kernel modesetting enabled. <6>[ 2.075582] i915 0000:00:02.0: vgaarb: deactivate vga console <6>[ 2.129506] i915 0000:00:02.0: Invalid PCI ROM header signature: expecting 0xaa55, got 0x2ee0 <6>[ 2.130314] i915 0000:00:02.0: [drm] Failed to find VBIOS tables (VBT) <6>[ 2.131043] i915 0000:00:02.0: vgaarb: changed VGA decodes: olddecodes=io+mem,decodes=io+mem:owns=io+mem <4>[ 2.132371] i915 0000:00:02.0: Direct firmware load for i915/bxt_dmc_ver1_07.bin failed with error -2 <5>[ 2.133271] i915 0000:00:02.0: [drm] Failed to load DMC firmware i915/bxt_dmc_ver1_07.bin. Disabling runtime power management. <5>[ 2.134277] 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>[ 2.185878] [drm] Initialized i915 1.6.0 20200917 for 0000:00:02.0 on minor 0 <6>[ 2.188855] [drm] Initialized vgem 1.0.0 20120112 for vgem on minor 1 <6>[ 2.201631] loop: module loaded <6>[ 2.202487] lkdtm: No crash points registered, enable through debugfs <6>[ 2.245100] dw-apb-uart.6: ttyS0 at MMIO 0xc2b2d000 (irq = 4, base_baud = 115200) is a 16550A <6>[ 2.248207] dw-apb-uart.7: ttyS1 at MMIO 0xc2b2f000 (irq = 5, base_baud = 115200) is a 16550A <6>[ 2.250822] printk: console [ttyS2] disabled <6>[ 2.251478] dw-apb-uart.8: ttyS2 at MMIO 0xde000000 (irq = 6, base_baud = 114825) is a 16550A <6>[ 5.522585] printk: console [ttyS2] enabled <6>[ 5.522744] fbcon: i915drmfb (fb0) is primary device <4>[ 5.524533] pxa2xx-spi pxa2xx-spi.9: no DMA channels available, using PIO <6>[ 5.532207] e100: Intel(R) PRO/100 Network Driver <6>[ 5.532210] e100: Copyright(c) 1999-2006 Intel Corporation <6>[ 5.532253] e1000: Intel(R) PRO/1000 Network Driver <6>[ 5.532254] e1000: Copyright (c) 1999-2006 Intel Corporation. <6>[ 5.532310] e1000e: Intel(R) PRO/1000 Network Driver <6>[ 5.532312] e1000e: Copyright(c) 1999 - 2015 Intel Corporation. <6>[ 5.532369] sky2: driver version 1.30 <6>[ 5.532593] usbcore: registered new interface driver r8152 <6>[ 5.533295] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver <6>[ 5.533345] ehci-pci: EHCI PCI platform driver <6>[ 5.533426] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver <6>[ 5.533438] ohci-pci: OHCI PCI platform driver <6>[ 5.533480] uhci_hcd: USB Universal Host Controller Interface driver <6>[ 5.534682] xhci_hcd 0000:00:15.0: xHCI Host Controller <6>[ 5.535639] xhci_hcd 0000:00:15.0: new USB bus registered, assigned bus number 1 <6>[ 5.536922] xhci_hcd 0000:00:15.0: hcc params 0x200077c1 hci version 0x100 quirks 0x0000000081109810 <6>[ 5.536966] xhci_hcd 0000:00:15.0: cache line size of 64 is not supported <6>[ 5.538177] xhci_hcd 0000:00:15.0: xHCI Host Controller <6>[ 5.538780] xhci_hcd 0000:00:15.0: new USB bus registered, assigned bus number 2 <6>[ 5.538801] xhci_hcd 0000:00:15.0: Host supports USB 3.0 SuperSpeed <6>[ 5.539239] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.10 <6>[ 5.539252] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1 <6>[ 5.539255] usb usb1: Product: xHCI Host Controller <6>[ 5.539257] usb usb1: Manufacturer: Linux 5.10.182-cip35 xhci-hcd <6>[ 5.539259] usb usb1: SerialNumber: 0000:00:15.0 <6>[ 5.540660] hub 1-0:1.0: USB hub found <6>[ 5.540794] hub 1-0:1.0: 8 ports detected <6>[ 5.542284] usb usb2: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.10 <6>[ 5.542288] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1 <6>[ 5.542290] usb usb2: Product: xHCI Host Controller <6>[ 5.542292] usb usb2: Manufacturer: Linux 5.10.182-cip35 xhci-hcd <6>[ 5.542295] usb usb2: SerialNumber: 0000:00:15.0 <6>[ 5.543296] hub 2-0:1.0: USB hub found <6>[ 5.543333] hub 2-0:1.0: 7 ports detected <6>[ 5.544518] usbcore: registered new interface driver usblp <6>[ 5.544564] usbcore: registered new interface driver usb-storage <6>[ 5.544981] udc-core: couldn't find an available UDC - added [g_ether] to list of pending drivers <6>[ 5.545084] i8042: PNP: PS/2 Controller [PNP0303:PS2K] at 0x60,0x64 irq 1 <4>[ 5.545086] i8042: PNP: PS/2 appears to have AUX port disabled, if this is incorrect please boot with i8042.nopnp <4>[ 5.545600] i8042: Warning: Keylock active <6>[ 5.545872] serio: i8042 KBD port at 0x60,0x64 irq 1 <6>[ 5.548793] rtc_cmos rtc_cmos: RTC can wake from S4 <6>[ 5.551067] input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input4 <6>[ 5.551912] rtc_cmos rtc_cmos: registered as rtc0 <6>[ 5.552065] rtc_cmos rtc_cmos: alarms up to one month, 114 bytes nvram <4>[ 5.553038] i801_smbus 0000:00:1f.1: can't derive routing for PCI INT A <4>[ 5.553041] i801_smbus 0000:00:1f.1: PCI INT A: no GSI <6>[ 5.553069] i801_smbus 0000:00:1f.1: SPD Write Disable is set <3>[ 5.553124] genirq: Flags mismatch irq 0. 00000080 (i801_smbus) vs. 00015a00 (timer) <3>[ 5.553143] i801_smbus 0000:00:1f.1: Failed to allocate irq 0: -16 <6>[ 5.553145] i801_smbus 0000:00:1f.1: SMBus using polling <6>[ 5.554042] device-mapper: ioctl: 4.43.0-ioctl (2020-10-01) initialised: dm-devel@redhat.com <6>[ 5.554134] intel_pstate: Intel P-state driver initializing <6>[ 5.554344] Console: switching to colour frame buffer device 240x67 <6>[ 5.556563] sdhci: Secure Digital Host Controller Interface driver <6>[ 5.556568] sdhci: Copyright(c) Pierre Ossman <6>[ 5.556795] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) <6>[ 5.564156] sdhci-pci 0000:00:1c.0: SDHCI controller found [8086:5acc] (rev b) <6>[ 5.569675] mmc0: SDHCI controller on PCI [0000:00:1c.0] using ADMA 64-bit <6>[ 5.570625] hid: raw HID events driver (C) Jiri Kosina <6>[ 5.572806] usbcore: registered new interface driver usbhid <6>[ 5.572811] usbhid: USB HID core driver <6>[ 5.574837] input: Tablet Mode Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:14/PNP0C09:00/GOOG0006:00/input/input5 <6>[ 5.581323] cros_ec_lpcs GOOG0004:00: Chrome EC device registered <6>[ 5.584424] snd_hda_intel 0000:00:0e.0: DSP detected with PCI class/subclass/prog-if info 0x040100 <6>[ 5.588997] snd_hda_intel 0000:00:0e.0: bound 0000:00:02.0 (ops i915_audio_component_bind_ops) <6>[ 5.589106] netem: version 1.3 <6>[ 5.589629] ipip: IPv4 and MPLS over IPv4 tunneling driver <6>[ 5.590528] i915 0000:00:02.0: [drm] fb0: i915drmfb frame buffer device <6>[ 5.590982] IPv4 over IPsec tunneling driver <6>[ 5.592133] Initializing XFRM netlink socket <6>[ 5.594374] NET: Registered protocol family 10 <6>[ 5.597606] Segment Routing with IPv6 <3>[ 5.617609] snd_hda_intel 0000:00:0e.0: Cannot probe codecs, giving up <6>[ 5.626412] NET: Registered protocol family 17 <6>[ 5.720836] mmc0: new HS400 MMC card at address 0001 <5>[ 5.725470] Key type dns_resolver registered <6>[ 5.736424] mmcblk0: mmc0:0001 TA2964 58.3 GiB <6>[ 5.785781] usb 1-5: new high-speed USB device number 2 using xhci_hcd <6>[ 5.787660] mmcblk0boot0: mmc0:0001 TA2964 partition 1 4.00 MiB <6>[ 5.787216] microcode: sig=0x506c9, pf=0x1, revision=0x2c <6>[ 5.805166] mmcblk0boot1: mmc0:0001 TA2964 partition 2 4.00 MiB <6>[ 5.817609] microcode: Microcode Update Driver: v2.2. <6>[ 5.824612] mmcblk0rpmb: mmc0:0001 TA2964 partition 3 4.00 MiB, chardev (245:0) <6>[ 5.827554] IPI shorthand broadcast: enabled <6>[ 5.853065] mmcblk0: p1 p2 p3 p4 p5 p6 p7 p8 p9 p10 p11 p12 <6>[ 5.856204] sched_clock: Marking stable (5771332438, 84678398)->(5080081906, 775928930) <6>[ 5.965681] usb 1-5: New USB device found, idVendor=0408, idProduct=3090, bcdDevice= 0.04 <6>[ 5.983106] registered taskstats version 1 <6>[ 5.989289] usb 1-5: New USB device strings: Mfr=3, Product=1, SerialNumber=2 <6>[ 5.989299] usb 1-5: Product: USB2.0 HD UVC WebCam <6>[ 5.989306] usb 1-5: Manufacturer: Quanta <6>[ 5.989317] usb 1-5: SerialNumber: 0x0001 <5>[ 5.994523] Loading compiled-in X.509 certificates <6>[ 6.055837] usb 2-2: new SuperSpeed Gen 1 USB device number 2 using xhci_hcd <6>[ 6.068236] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) <6>[ 6.090341] usb 2-2: New USB device found, idVendor=0bda, idProduct=8153, bcdDevice=31.00 <6>[ 6.104050] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) <6>[ 6.105263] usb 2-2: New USB device strings: Mfr=1, Product=2, SerialNumber=6 <6>[ 6.117198] PM: Magic number: 11:325:106 <6>[ 6.122508] usb 2-2: Product: USB 10/100/1000 LAN <6>[ 6.122516] usb 2-2: Manufacturer: Realtek <6>[ 6.122524] usb 2-2: SerialNumber: 001000001 <6>[ 6.127929] usbmon usbmon2: hash matches <6>[ 6.204777] usb 1-6: new full-speed USB device number 3 using xhci_hcd <6>[ 6.327080] printk: console [netcon0] enabled <6>[ 6.332291] netconsole: network logging started <6>[ 6.333517] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) <6>[ 6.456474] usb 1-6: New USB device found, idVendor=8087, idProduct=0a2a, bcdDevice= 0.03 <6>[ 6.465946] usb 1-6: New USB device strings: Mfr=0, Product=0, SerialNumber=0 <6>[ 6.479247] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) <6>[ 6.572581] usb 2-2: reset SuperSpeed Gen 1 USB device number 2 using xhci_hcd <6>[ 6.619293] r8152 2-2:1.0: load rtl8153b-2 v2 04/27/23 successfully <6>[ 6.658625] r8152 2-2:1.0 eth0: v1.11.11 <6>[ 6.664543] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) <6>[ 8.263384] r8152 2-2:1.0 eth0: carrier on <6>[ 8.264906] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready <5>[ 8.276756] Sending DHCP requests .., OK <6>[ 10.718337] IP-Config: Got DHCP answer from 192.168.201.1, my address is 192.168.201.17 <6>[ 10.727655] IP-Config: Complete: <6>[ 10.731589] device=eth0, hwaddr=00:e0:4c:78:86:ca, ipaddr=192.168.201.17, mask=255.255.255.0, gw=192.168.201.1 <6>[ 10.743563] host=asus-c523na-a20057-coral-cbg-1, domain=lava-rack, nis-domain=(none) <6>[ 10.753017] bootserver=192.168.201.1, rootserver=192.168.201.1, rootpath= <6>[ 10.753025] nameserver0=192.168.201.1 <5>[ 10.767039] cfg80211: Loading compiled-in X.509 certificates for regulatory database <6>[ 10.790410] modprobe (100) used greatest stack depth: 14040 bytes left <5>[ 10.805952] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7' <4>[ 10.814663] platform regulatory.0: Direct firmware load for regulatory.db failed with error -2 <6>[ 10.815118] ALSA device list: <6>[ 10.824892] cfg80211: failed to load regulatory.db <6>[ 10.828632] No soundcards found. <4>[ 10.840016] dw-apb-uart dw-apb-uart.8: forbid DMA for kernel console <6>[ 10.860995] Freeing unused kernel image (initmem) memory: 2148K <6>[ 10.879174] Write protecting the kernel read-only data: 34816k <6>[ 10.890350] Freeing unused kernel image (text/rodata gap) memory: 2028K <6>[ 10.899730] Freeing unused kernel image (rodata/data gap) memory: 860K <6>[ 10.907744] Run /init as init process Loading, please wait... <6>[ 10.944498] mkdir (112) used greatest stack depth: 13968 bytes left Starting version 247.3-7+deb11u2 <6>[ 10.999948] systemd-udevd (122) used greatest stack depth: 13816 bytes left <6>[ 11.262658] udevadm (124) used greatest stack depth: 13592 bytes left <6>[ 12.009228] chromeos ramoops using acpi device. <6>[ 12.018914] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) <4>[ 12.044260] cros-usbpd-notify-acpi GOOG0003:00: Couldn't get Chrome EC device pointer. <6>[ 12.047144] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) <4>[ 12.057900] i2c_hid i2c-WCOM50C1:00: supply vdd not found, using dummy regulator <4>[ 12.069069] i2c_hid i2c-PNP0C50:00: supply vdd not found, using dummy regulator <4>[ 12.072640] i2c_hid i2c-WCOM50C1:00: supply vddl not found, using dummy regulator <4>[ 12.080225] i2c_hid i2c-PNP0C50:00: supply vddl not found, using dummy regulator <6>[ 12.092113] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) <6>[ 12.141304] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) <4>[ 12.198185] da7219 i2c-DLGS7219:00: Using default DAI clk names: da7219-dai-wclk, da7219-dai-bclk <4>[ 12.208493] da7219 i2c-DLGS7219:00: Invalid micbias pulse level <6>[ 12.215868] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) <6>[ 12.238286] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) <6>[ 12.396814] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) <6>[ 12.414887] Registered efivars operations <6>[ 12.428262] gsmi version 1.0 loaded <3>[ 13.156061] i2c_designware i2c_designware.5: controller timed out <4>[ 13.197150] i2c_designware i2c_designware.5: timeout in disabling adapter <6>[ 13.216939] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) <6>[ 13.231730] cros-usbpd-charger cros-usbpd-charger.2.auto: Could not get charger port count <6>[ 13.237169] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) <6>[ 13.260107] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) <6>[ 13.264746] uvcvideo: Found UVC 1.00 device USB2.0 HD UVC WebCam (0408:3090) <6>[ 13.287630] 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>[ 13.303127] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) <6>[ 13.303754] usbcore: registered new interface driver uvcvideo <6>[ 13.318332] USB Video Class driver (1.1.1) <6>[ 13.338186] udevadm (140) used greatest stack depth: 13400 bytes left Begin: Loading essential drivers ... done. Begin: Running /scripts/init-premount ... done. Begin: Mounting root file system ... Begin: Running /scripts/nfs-top ... done. Begin: Running /scripts/nfs-premount ... Waiting up to 60 secs for any ethernet to become available Device /sys/class/net/eth0 found done. IP-Config: eth0 hardware address 00:e0:4c:78:86:ca mtu 1500 DHCP IP-Config: eth0 complete (dhcp from 192.168.201.1): address: 192.168.201.17 broadcast: 192.168.201.255 netmask: 255.255.255.0 gateway: 192.168.201.1 dns0 : 192.168.201.1 dns1 : 0.0.0.0 host : asus-c523na-a20057-coral-cbg-1 domain : lava-rack rootserver: 192.168.201.1 rootpath: filename : <6>[ 13.539408] nfsmount (172) used greatest stack depth: 12680 bytes left done. Begin: Running /scripts/nfs-bottom ... done. Begin: Running /scripts/init-bottom ... done. <4>[ 14.287492] 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>[ 15.258821] systemd[1]: systemd 247.3-7+deb11u2 running in system mode. (+PAM +AUDIT +SELINUX +IMA +APPARMOR +SMACK +SYSVINIT +UTMP +LIBCRYPTSETUP +GCRYPT +GNUTLS +ACL +XZ +LZ4 +ZSTD +SECCOMP +BLKID +ELFUTILS +KMOD +IDN2 -IDN +PCRE2 default-hierarchy=unified) <30>[ 15.299662] systemd[1]: Detected architecture x86-64. Welcome to Debian GNU/Linux 11 (bullseye)! <30>[ 15.341908] systemd[1]: Set hostname to . <30>[ 16.589982] systemd[1]: Queued start job for default target Graphical Interface. <30>[ 16.608211] systemd[1]: Created slice system-getty.slice. [ OK ] Created slice system-getty.slice. <30>[ 16.624919] systemd[1]: Created slice system-modprobe.slice. [ OK ] Created slice system-modprobe.slice. <30>[ 16.643149] systemd[1]: Created slice system-serial\x2dgetty.slice. [ OK ] Created slice system-serial\x2dgetty.slice. <30>[ 16.661932] systemd[1]: Created slice User and Session Slice. [ OK ] Created slice User and Session Slice. <30>[ 16.679624] systemd[1]: Started Dispatch Password Requests to Console Directory Watch. [ OK ] Started Dispatch Password …ts to Console Directory Watch. <30>[ 16.702191] systemd[1]: Started Forward Password Requests to Wall Directory Watch. [ OK ] Started Forward Password R…uests to Wall Directory Watch. <30>[ 16.724475] systemd[1]: Set up automount Arbitrary Executable File Formats File System Automount Point. [ OK ] Set up automount Arbitrary…s File System Automount Point. <30>[ 16.745517] systemd[1]: Reached target Local Encrypted Volumes. [ OK ] Reached target Local Encrypted Volumes. <30>[ 16.762494] systemd[1]: Reached target Paths. [ OK ] Reached target Paths. <30>[ 16.774318] systemd[1]: Reached target Remote File Systems. [ OK ] Reached target Remote File Systems. <30>[ 16.791379] systemd[1]: Reached target Slices. [ OK ] Reached target Slices. <30>[ 16.803454] systemd[1]: Reached target Swap. [ OK ] Reached target Swap. <30>[ 16.816454] systemd[1]: Listening on initctl Compatibility Named Pipe. [ OK ] Listening on initctl Compatibility Named Pipe. <30>[ 16.838379] systemd[1]: Listening on Journal Audit Socket. [ OK ] Listening on Journal Audit Socket. <30>[ 16.857292] systemd[1]: Listening on Journal Socket (/dev/log). [ OK ] Listening on Journal Socket (/dev/log). <30>[ 16.876254] systemd[1]: Listening on Journal Socket. [ OK ] Listening on Journal Socket. <30>[ 16.894506] systemd[1]: Listening on Network Service Netlink Socket. [ OK ] Listening on Network Service Netlink Socket. <30>[ 16.916946] systemd[1]: Listening on udev Control Socket. [ OK ] Listening on udev Control Socket. <30>[ 16.934870] systemd[1]: Listening on udev Kernel Socket. [ OK ] Listening on udev Kernel Socket. <30>[ 16.958832] systemd[1]: Mounting Huge Pages File System... Mounting Huge Pages File System... <30>[ 16.984687] systemd[1]: Mounting POSIX Message Queue File System... Mounting POSIX Message Queue File System... <30>[ 17.009645] systemd[1]: Mounting Kernel Debug File System... Mounting Kernel Debug File System... <30>[ 17.029513] systemd[1]: Mounting Kernel Trace File System... Mounting Kernel Trace File System... <30>[ 17.072622] systemd[1]: Starting Create list of static device nodes for the current kernel... Starting Create list of st…odes for the current kernel... <30>[ 17.099970] systemd[1]: Starting Load Kernel Module configfs... Starting Load Kernel Module configfs... <30>[ 17.126527] systemd[1]: Starting Load Kernel Module drm... Starting Load Kernel Module drm... <30>[ 17.149788] systemd[1]: Starting Load Kernel Module fuse... Starting Load Kernel Module fuse... <6>[ 17.160140] mount (199) used greatest stack depth: 12528 bytes left <30>[ 17.180964] systemd[1]: Condition check resulted in Set Up Additional Binary Formats being skipped. <30>[ 17.207085] systemd[1]: Starting Journal Service... Starting Journal Service... <6>[ 17.236007] fuse: init (API version 7.32) <30>[ 17.239785] systemd[1]: Starting Load Kernel Modules... Starting Load Kernel Modules... <30>[ 17.262068] systemd[1]: Starting Remount Root and Kernel File Systems... Starting Remount Root and Kernel File Systems... <30>[ 17.286148] systemd[1]: Starting Coldplug All udev Devices... Starting Coldplug All udev Devices... <30>[ 17.325285] systemd[1]: Mounted Huge Pages File System. [ OK ] Mounted Huge Pages File System. <30>[ 17.343033] systemd[1]: Mounted POSIX Message Queue File System. [ OK ] Mounted POSIX Message Queue File System. <30>[ 17.366016] systemd[1]: Mounted Kernel Debug File System. [ OK ] Mounted Kernel Debug File System. <30>[ 17.384255] systemd[1]: Mounted Kernel Trace File System. [ OK ] Mounted Kernel Trace File System. <30>[ 17.405904] 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>[ 17.433748] systemd[1]: modprobe@configfs.service: Succeeded. <30>[ 17.443269] systemd[1]: Finished Load Kernel Module configfs. [ OK ] Finished Load Kernel Module configfs. <30>[ 17.463525] systemd[1]: modprobe@drm.service: Succeeded. <30>[ 17.472578] systemd[1]: Finished Load Kernel Module drm. [ OK ] Finished Load Kernel Module drm. <30>[ 17.492513] systemd[1]: modprobe@fuse.service: Succeeded. <30>[ 17.501938] systemd[1]: Finished Load Kernel Module fuse. [ OK ] Finished Load Kernel Module fuse. <30>[ 17.521568] systemd[1]: Finished Load Kernel Modules. [ OK ] Finished Load Kernel Modules. <30>[ 17.540818] systemd[1]: Finished Remount Root and Kernel File Systems. [ OK ] Finished Remount Root and Kernel File Systems. <30>[ 17.566100] systemd[1]: Mounting FUSE Control File System... Mounting FUSE Control File System... <30>[ 17.588293] systemd[1]: Mounting Kernel Configuration File System... Mounting Kernel Configuration File System... <30>[ 17.614888] systemd[1]: Condition check resulted in Rebuild Hardware Database being skipped. <30>[ 17.625911] systemd[1]: Condition check resulted in Platform Persistent Storage Archival being skipped. <30>[ 17.643497] systemd[1]: Starting Load/Save Random Seed... Starting Load/Save Random Seed... <30>[ 17.663778] systemd[1]: Starting Apply Kernel Variables... Starting Apply Kernel Variables... <30>[ 17.686454] systemd[1]: Starting Create System Users... Starting Create System Users... <30>[ 17.710223] systemd[1]: Mounted FUSE Control File System. [ OK ] Mounted FUSE Control File System. <30>[ 17.729441] systemd[1]: Mounted Kernel Configuration File System. [ OK ] Mounted Kernel Configuration File System. <30>[ 17.777866] systemd[1]: Finished Load/Save Random Seed. [ OK ] Finished Load/Save Random Seed. <30>[ 17.797221] systemd[1]: Condition check resulted in First Boot Complete being skipped. <30>[ 17.818258] systemd[1]: Finished Apply Kernel Variables. [ OK ] Finished Apply Kernel Variables. <30>[ 17.940349] systemd[1]: Finished Create System Users. [ OK ] Finished Create System Users. <30>[ 17.961798] systemd[1]: Starting Create Static Device Nodes in /dev... Starting Create Static Device Nodes in /dev... <30>[ 18.003390] systemd[1]: Started Journal Service. [ OK ] Started Journal Service. Starting Flush Journal to Persistent Storage... <46>[ 18.115849] 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 ] Listening on Load/Save RF …itch Status /dev/rfkill Watch. Starting Network Time Synchronization... Starting Update UTMP about System Boot/Shutdown... [ OK ] Started Network Service. Starting Network Name Resolution... [ 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 ] Finished Remove Stale Onli…ext4 Metadata Check Snapshots. [ OK ] Started Getty on tty1. [ OK ] Started Serial Getty on ttyS2. [ OK ] Reached target Login Prompts. [ 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 5.10.182-cip35 #1 SMP Wed Jun 14 01:54:33 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/10716722/extract-nfsrootfs-u07vnftj' export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/10716722/extract-nfsrootfs-u07vnftj' / # 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-10716722/environment . /lava-10716722/environment / # /lava-10716722/bin/lava-test-runner /lava-10716722/0 /lava-10716722/bin/lava-test-runner /lava-10716722/0 + export TESTRUN_ID=0_timesync-off + TESTRUN_ID=0_timesync-off + cd /lava-10716722/0/tests/0_timesync-off ++ cat uuid + UUID=10716722_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-10716722/0/tests/1_kselftest-lkdtm ++ cat uuid + UUID=10716722_1.5.2.3.5 + set +x + cd ./automated/linux/kselftest/ + ./kselftest.sh -c lkdtm -T '' -t kselftest_armhf.tar.gz -s True -u http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.182-cip35-8-gc3d08808cfa7/x86_64/x86_64_defconfig+x86-chromebook+kselftest/gcc-10/kselftest.tar.xz -L '' -S /dev/null -b asus-C523NA-A20057-coral -g cip-gitlab -e '' -p /opt/kselftests/mainline/ -n 1 -i 1 INFO: install_deps skipped --2023-06-14 02:07:04-- http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.182-cip35-8-gc3d08808cfa7/x86_64/x86_64_defconfig+x86-chromebook+kselftest/gcc-10/kselftest.tar.xz Resolving storage.kernelci.org (storage.kernelci.org)... 20.171.243.82 Connecting to storage.kernelci.org (storage.kernelci.org)|20.171.243.82|:80... connected. HTTP request sent, awaiting response... 200 OK Length: 3307804 (3.2M) [application/octet-stream] Saving to: 'kselftest.tar.xz' kselftest.tar.xz 0%[ ] 0 --.-KB/s kselftest.tar.xz 1%[ ] 50.15K 200KB/s kselftest.tar.xz 6%[> ] 216.08K 429KB/s kselftest.tar.xz 25%[====> ] 815.64K 874KB/s kselftest.tar.xz 74%[=============> ] 2.36M 1.97MB/s kselftest.tar.xz 100%[===================>] 3.15M 2.42MB/s in 1.3s 2023-06-14 02:07:05 (2.42 MB/s) - 'kselftest.tar.xz' saved [3307804/3307804] 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>[ 43.001687] 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>[ 43.943723] lkdtm: Performing direct entry BUG <4>[ 43.950273] ------------[ cut here ]------------ <2>[ 43.955808] kernel BUG at drivers/misc/lkdtm/bugs.c:76! <4>[ 43.962006] invalid opcode: 0000 [#1] SMP PTI <4>[ 43.967169] CPU: 2 PID: 636 Comm: cat Tainted: G W 5.10.182-cip35 #1 <4>[ 43.976003] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 43.982918] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 43.987595] Code: 89 ff e8 3e e6 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 50 56 e9 02 <4>[ 44.008828] RSP: 0018:ffffa6d6c1257e60 EFLAGS: 00010282 <4>[ 44.014956] RAX: ffffffff82179540 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 44.023209] RDX: 0000000000000000 RSI: ffff930a3bd1bf70 RDI: ffffffff8317e850 <4>[ 44.031459] RBP: ffffffff8365d410 R08: 0000000000000001 R09: 0000000000000001 <4>[ 44.039712] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 44.047967] R13: ffffa6d6c1257f10 R14: ffffa6d6c1257f10 R15: ffff9309c4524000 <4>[ 44.056230] FS: 00007f2e15348580(0000) GS:ffff930a3bd00000(0000) knlGS:0000000000000000 <4>[ 44.065558] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 44.072263] CR2: 00007f2e15152000 CR3: 0000000102b5c000 CR4: 00000000003506e0 <4>[ 44.080522] Call Trace: <4>[ 44.083556] ? __die_body.cold+0x1a/0x1f <4>[ 44.088232] ? die+0x2b/0x50 <4>[ 44.091738] ? do_trap+0x91/0x110 <4>[ 44.095724] ? lkdtm_BUG+0x5/0x10 <4>[ 44.099718] ? do_error_trap+0x90/0x110 <4>[ 44.104287] ? lkdtm_BUG+0x5/0x10 <4>[ 44.108276] ? lkdtm_BUG+0x5/0x10 <4>[ 44.112267] ? exc_invalid_op+0x4e/0x70 <4>[ 44.116838] ? lkdtm_BUG+0x5/0x10 <4>[ 44.120830] ? asm_exc_invalid_op+0x12/0x20 <4>[ 44.125798] ? direct_entry+0xe0/0xe0 <4>[ 44.130188] ? lkdtm_BUG+0x5/0x10 <4>[ 44.134188] direct_entry.cold+0x2c/0x38 <4>[ 44.138863] full_proxy_write+0x56/0x80 <4>[ 44.143441] vfs_write+0xea/0x3b0 <4>[ 44.147437] ksys_write+0x68/0xf0 <4>[ 44.151435] do_syscall_64+0x33/0x40 <4>[ 44.155720] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 44.161656] RIP: 0033:0x7f2e1525e473 <4>[ 44.165940] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 44.187192] RSP: 002b:00007ffdff3d6318 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 44.195943] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f2e1525e473 <4>[ 44.204192] RDX: 0000000000000004 RSI: 00007f2e15152000 RDI: 0000000000000001 <4>[ 44.212453] RBP: 00007f2e15152000 R08: 00007f2e15151010 R09: 0000000000000000 <4>[ 44.220709] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 44.228963] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 44.237228] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_usbpd_charger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table <0>[ 44.279228] gsmi: Log Shutdown Reason 0x03 <4>[ 44.284152] ---[ end trace bf7d0a621a4c665e ]--- <4>[ 44.289625] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 44.294318] Code: 89 ff e8 3e e6 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 50 56 e9 02 <4>[ 44.315598] RSP: 0018:ffffa6d6c1257e60 EFLAGS: 00010282 <4>[ 44.321741] RAX: ffffffff82179540 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 44.330012] RDX: 0000000000000000 RSI: ffff930a3bd1bf70 RDI: ffffffff8317e850 <4>[ 44.338279] RBP: ffffffff8365d410 R08: 0000000000000001 R09: 0000000000000001 <4>[ 44.346565] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 44.354834] R13: ffffa6d6c1257f10 R14: ffffa6d6c1257f10 R15: ffff9309c4524000 <4>[ 44.363109] FS: 00007f2e15348580(0000) GS:ffff930a3bd00000(0000) knlGS:0000000000000000 <4>[ 44.372488] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 44.379230] CR2: 00007f2e15152000 CR3: 0000000102b5c000 CR4: 00000000003506e0 # Segmentation fault # [ 43.943723] lkdtm: Performing direct entry BUG # [ 43.950273] ------------[ cut here ]------------ # [ 43.955808] kernel BUG at drivers/misc/lkdtm/bugs.c:76! # [ 43.962006] invalid opcode: 0000 [#1] SMP PTI # [ 43.967169] CPU: 2 PID: 636 Comm: cat Tainted: G W 5.10.182-cip35 #1 # [ 43.976003] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 43.982918] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 43.987595] Code: 89 ff e8 3e e6 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 50 56 e9 02 # [ 44.008828] RSP: 0018:ffffa6d6c1257e60 EFLAGS: 00010282 # [ 44.014956] RAX: ffffffff82179540 RBX: 0000000000000001 RCX: 0000000000000000 # [ 44.023209] RDX: 0000000000000000 RSI: ffff930a3bd1bf70 RDI: ffffffff8317e850 # [ 44.031459] RBP: ffffffff8365d410 R08: 0000000000000001 R09: 0000000000000001 # [ 44.039712] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 44.047967] R13: ffffa6d6c1257f10 R14: ffffa6d6c1257f10 R15: ffff9309c4524000 # [ 44.056230] FS: 00007f2e15348580(0000) GS:ffff930a3bd00000(0000) knlGS:0000000000000000 # [ 44.065558] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 44.072263] CR2: 00007f2e15152000 CR3: 0000000102b5c000 CR4: 00000000003506e0 # [ 44.080522] Call Trace: # [ 44.083556] ? __die_body.cold+0x1a/0x1f # [ 44.088232] ? die+0x2b/0x50 # [ 44.091738] ? do_trap+0x91/0x110 # [ 44.095724] ? lkdtm_BUG+0x5/0x10 # [ 44.099718] ? do_error_trap+0x90/0x110 # [ 44.104287] ? lkdtm_BUG+0x5/0x10 # [ 44.108276] ? lkdtm_BUG+0x5/0x10 # [ 44.112267] ? exc_invalid_op+0x4e/0x70 # [ 44.116838] ? lkdtm_BUG+0x5/0x10 # [ 44.120830] ? asm_exc_invalid_op+0x12/0x20 # [ 44.125798] ? direct_entry+0xe0/0xe0 # [ 44.130188] ? lkdtm_BUG+0x5/0x10 # [ 44.134188] direct_entry.cold+0x2c/0x38 # [ 44.138863] full_proxy_write+0x56/0x80 # [ 44.143441] vfs_write+0xea/0x3b0 # [ 44.147437] ksys_write+0x68/0xf0 # [ 44.151435] do_syscall_64+0x33/0x40 # [ 44.155720] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 44.161656] RIP: 0033:0x7f2e1525e473 # [ 44.165940] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ <6>[ 44.666430] lkdtm: Performing direct entry WARNING 44.187192] RSP: 002b:00007ffdff3d6318 EFLAGS: 00000246 ORIG_RAX<4>[ 44.673151] ------------[ cut here ]------------ <4>[ 44.684808] WARNING: CPU: 0 PID: 673 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x13/0x20 : 0000000000000001 # [ 44.195943] RAX: ffffffffffffffda RBX: <4>[ 44.694559] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_usbpd_charger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table <4>[ 44.740860] CPU: 0 PID: 673 Comm: cat Tainted: G D W 5.10.182-cip35 #1 <4>[ 44.749708] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 44.756642] RIP: 0010:lkdtm_WARNING+0x13/0x20 <4>[ 44.761814] 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 50 56 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 31 56 <4>[ 44.783082] RSP: 0018:ffffa6d6c12f7e60 EFLAGS: 00010202 <4>[ 44.789216] RAX: ffffffff82179550 RBX: 0000000000000002 RCX: 0000000000000000 <4>[ 44.797482] RDX: 0000000000000000 RSI: ffff930a3bc1bf70 RDI: ffffffff8317e860 <4>[ 44.805755] RBP: ffffffff835f8d57 R08: 0000000000000000 R09: 0000000000000000 <4>[ 44.814041] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000008 0000000000000004 RCX: 00007f2e1525e473 # [ 44.204192] RDX: 00<4>[ 44.822304] R13: ffffa6d6c12f7f10 R14: ffffa6d6c12f7f10 R15: ffff9309c5f3c000 <4>[ 44.836786] FS: 00007fc20c7b6580(0000) GS:ffff930a3bc00000(0000) knlGS:0000000000000000 <4>[ 44.846124] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 44.852852] CR2: 00007fc20c5c0000 CR3: 0000000102644000 CR4: 00000000003506f0 <4>[ 44.861113] Call Trace: <4>[ 44.864168] ? __warn+0x80/0x110 <4>[ 44.868087] ? lkdtm_WARNING+0x13/0x20 <4>[ 44.872599] ? report_bug+0x9e/0xc0 <4>[ 44.876808] ? handle_bug+0x41/0x90 <4>[ 44.881007] ? exc_invalid_op+0x14/0x70 <4>[ 44.885599] ? asm_exc_invalid_op+0x12/0x20 <4>[ 44.890584] ? lkdtm_BUG+0x10/0x10 <4>[ 44.894698] ? lkdtm_WARNING+0x13/0x20 <4>[ 44.899196] direct_entry.cold+0x2c/0x38 <4>[ 44.903885] full_proxy_write+0x56/0x80 <4>[ 44.908478] vfs_write+0xea/0x3b0 <4>[ 44.912492] ksys_write+0x68/0xf0 <4>[ 44.916518] do_syscall_64+0x33/0x40 00000000000004 RSI: 00007f2e15152000 RDI: 0000000000000001 # [ <4>[ 44.920819] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 44.932937] RIP: 0033:0x7fc20c6cc473 <4>[ 44.937246] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 44.958497] RSP: 002b:00007ffcdbc07fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 44.967264] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007fc20c6cc473 44.212453] RBP: 00007f2e15152000 R08: 00007f2e15151010 R09: 00<4>[ 44.975543] RDX: 0000000000000008 RSI: 00007fc20c5c0000 RDI: 0000000000000001 <4>[ 44.990013] RBP: 00007fc20c5c0000 R08: 00007fc20c5bf010 R09: 0000000000000000 <4>[ 44.998280] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 45.006556] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 45.014883] irq event stamp: 0 00000000000000 # [ 44.220709] R10: fffffffffffffbc5 R11: 0000<4>[ 45.018627] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 45.032110] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 <4>[ 45.041563] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 <4>[ 45.050993] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 45.058299] ---[ end trace bf7d0a621a4c665f ]--- 000000000246 R12: 0000000000000001 # [ 44.228963] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 44.237228] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_usbpd_charger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 44.279228] gsmi: Log Shutdown Reason 0x03 # [ 44.284152] ---[ end trace bf7d0a621a4c665e ]--- # [ 44.289625] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 44.294318] Code: 89 ff e8 3e e6 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 50 56 e9 02 # [ 44.315598] RSP: 0018:ffffa6d6c1257e60 EFLAGS: 00010282 # [ 44.321741] RAX: ffffffff82179540 RBX: 0000000000000001 RCX: 0000000000000000 # [ 44.330012] RDX: 0000000000000000 RSI: ffff930a3bd1bf70 RDI: ffffffff8317e850 # [ 44.338279] RBP: ffffffff8365d410 R08: 0000000000000001 R09: 0000000000000001 # [ 44.346565] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 44.354834] R13: ffffa6d6c1257f10 R14: ffffa6d6c1257f10 R15: ffff9309c4524000 # [ 44.363109] FS: 00007f2e15348580(0000) GS:ffff930a3bd00000(0000) knlGS:0000000000000000 # [ 44.372488] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 44.379230] CR2: 00007f2e15152000 CR3: 0000000102b5c000 CR4: 00000000003506e0 # BUG: saw 'kernel BUG at': ok ok 2 selftests: lkdtm: BUG.sh # selftests: lkdtm: WARNING.sh # [ 44.666430] lkdtm: Performing direct entry WARNING # [ 44.673151] ------------[ cut here ]------------ # [ 44.684808] WARNING: CPU: 0 PID: 673 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x13/0x20 # [ 44.694559] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_usbpd_charger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 44.740860] CPU: 0 PID: 673 Comm: cat Tainted: G D W 5.10.182-cip35 #1 # [ 44.749708] Hardware name: Google Coral/Coral, BIOS 09<6>[ 45.305165] lkdtm: Performing direct entry WARNING_MESSAGE /29/2020 # [ 44.756642] RIP: 0010:lkdtm_WARNING+0x13/0x20 # <4>[ 45.312385] ------------[ cut here ]------------ [ 44.761814] Code: c0 f4 ff ff ff eb c9 0f 1f 44 00 00 0f 0b 6<4>[ 45.324061] Warning message trigger count: 2 6 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 50 56 e9 02 01 75<4>[ 45.335420] WARNING: CPU: 3 PID: 708 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30 05 c3 cc cc cc cc <0f> 0b c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1<4>[ 45.352042] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_usbpd_charger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table f 44 00 00 8b 05 31 56 # [ 44.783082] RSP: 0018:ffffa6d6c12f7<4>[ 45.398328] CPU: 3 PID: 708 Comm: cat Tainted: G D W 5.10.182-cip35 #1 e60 EFLAGS: 00010202 # [ 44.789216] RAX: ffffffff82179550 RBX<4>[ 45.413544] Hardware name: Google Coral/Coral, BIOS 09/29/2020 : 0000000000000002 RCX: 0000000000000000 # [ 44.797482] RDX: <4>[ 45.426493] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30 0000000000000000 RSI: ffff930a3bc1bf70 RDI: ffffffff8317e860 # <4>[ 45.438682] Code: cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 31 56 e9 02 48 c7 c7 b8 92 5f 83 8d 70 01 89 35 21 56 e9 02 e8 47 c1 64 00 <0f> 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 c7 [ 44.805755] RBP: ffffffff835f8d57 R08: 0000000000000000 R09: <4>[ 45.466170] RSP: 0018:ffffa6d6c137fe60 EFLAGS: 00010286 0000000000000000 # [ 44.814041] R10: 00000000ffffe000 R11: 3f<4>[ 45.478457] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 ffffffffffffff R12: 0000000000000008 # [ 44.822304] R13: ffff<4>[ 45.492949] RDX: ffff930a3bdac660 RSI: ffff930a3bd9bf70 RDI: ffff930a3bd9bf70 a6d6c12f7f10 R14: ffffa6d6c12f7f10 R15: ffff9309c5f3c000 # [ <4>[ 45.507385] RBP: ffffffff835f8d5f R08: 0000000000000000 R09: 0000000000000000 44.836786] FS: 00007fc20c7b6580(0000) GS:ffff930a3bc00000(0000)<4>[ 45.521913] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010 knlGS:0000000000000000 # [ 44.846124] CS: 0010 DS: 0000 ES:<4>[ 45.536349] R13: ffffa6d6c137ff10 R14: ffffa6d6c137ff10 R15: ffff9309c2ba2000 0000 CR0: 0000000080050033 # [ 44.852852] CR2: 00007fc20c5c0<4>[ 45.550849] FS: 00007fbe7a34d580(0000) GS:ffff930a3bd80000(0000) knlGS:0000000000000000 000 CR3: 0000000102644000 CR4: 00000000003506f0 # [ 44.861113<4>[ 45.566376] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 ] Call Trace: # [ 44.864168] ? __warn+0x80/0x110 # [ 44.8<4>[ 45.579333] CR2: 00007fbe7a157000 CR3: 0000000103e16000 CR4: 00000000003506e0 68087] ? lkdtm_WARNING+0x13/0x20 # [ 44.872599] ? report_bu<4>[ 45.593790] Call Trace: g+0x9e/0xc0 # [ 44.876808] ? handle_bug+0x41/0x90 # [ 44.<4>[ 45.603054] ? __warn+0x80/0x110 881007] ? exc_invalid_op+0x14/0x70 # [ 44.885599] ? asm_exc<4>[ 45.613102] ? lkdtm_WARNING_MESSAGE+0x20/0x30 _invalid_op+0x12/0x20 # [ 44.890584] ? lkdtm_BUG+0x10/0x10 <4>[ 45.624607] ? report_bug+0x9e/0xc0 # [ 44.894698] ? lkdtm_WARNING+0x13/0x20 # [ 44.899196] d<4>[ 45.635017] ? handle_bug+0x41/0x90 irect_entry.cold+0x2c/0x38 # [ 44.903885] full_proxy_write+0<4>[ 45.645405] ? exc_invalid_op+0x14/0x70 x56/0x80 # [ 44.908478] vfs_write+0xea/0x3b0 # [ 44.91249<4>[ 45.656185] ? asm_exc_invalid_op+0x12/0x20 2] ksys_write+0x68/0xf0 # [ 44.916518] do_syscall_64+0x33/0<4>[ 45.667430] ? lkdtm_WARNING_MESSAGE+0x20/0x30 x40 # [ 44.920819] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 45.678821] direct_entry.cold+0x2c/0x38 # [ 44.932937] RIP: 0033:0x7fc20c6cc473 # [ 44.937246] Cod<4>[ 45.689782] full_proxy_write+0x56/0x80 e: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0<4>[ 45.700453] vfs_write+0xea/0x3b0 f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05<4>[ 45.710706] ksys_write+0x68/0xf0 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 2<4>[ 45.720969] do_syscall_64+0x33/0x40 4 18 # [ 44.958497] RSP: 002b:00007ffcdbc07fe8 EFLAGS: 000002<4>[ 45.731405] entry_SYSCALL_64_after_hwframe+0x61/0xc6 46 ORIG_RAX: 0000000000000001 # [ 44.967264] RAX: fffffffffff<4>[ 45.743551] RIP: 0033:0x7fbe7a263473 fffda RBX: 0000000000000008 RCX: 00007fc20c6cc473 # [ 44.9755<4>[ 45.754004] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 43] RDX: 0000000000000008 RSI: 00007fc20c5c0000 RDI: 00000000000<4>[ 45.781467] RSP: 002b:00007ffd2f0f8878 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 00001 # [ 44.990013] RBP: 00007fc20c5c0000 R08: 00007fc20c5bf<4>[ 45.796392] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007fbe7a263473 010 R09: 0000000000000000 # [ 44.998280] R10: fffffffffffffbc<4>[ 45.810942] RDX: 0000000000000010 RSI: 00007fbe7a157000 RDI: 0000000000000001 5 R11: 0000000000000246 R12: 0000000000000001 # [ 45.006556] <4>[ 45.825326] RBP: 00007fbe7a157000 R08: 00007fbe7a156010 R09: 0000000000000000 R13: 0000000000000001 R14: 0000000000020000 R15: 000000000002000<4>[ 45.839838] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 0 # [ 45.014883] irq event stamp: 0 # [ 45.018627] hardirq<4>[ 45.854353] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 s last enabled at (0): [<0000000000000000>] 0x0 # [ 45.03211<4>[ 45.868790] irq event stamp: 0 0] hardirqs last disabled at (0): [] copy_proc<4>[ 45.878725] hardirqs last enabled at (0): [<0000000000000000>] 0x0 ess+0x664/0x1c60 # [ 45.041563] softirqs last enabled at (0)<4>[ 45.892214] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 : [] copy_process+0x664/0x1c60 # [ 45.05099<4>[ 45.907900] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 3] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ <4>[ 45.923523] softirqs last disabled at (0): [<0000000000000000>] 0x0 45.058299] ---[ end trace bf7d0a621a4c665f ]--- # WARNING: sa<4>[ 45.936999] ---[ end trace bf7d0a621a4c6660 ]--- w 'WARNING:': ok ok 3 selftests: lkdtm: WARNING.sh # selftests: lkdtm: WARNING_MESSAGE.sh # [ 45.305165] lkdtm: Performing direct entry WARNING_MESSAGE # [ 45.312385] ------------[ cut here ]------------ # [ 45.324061] Warning message trigger count: 2 # [ 45.335420] WARNING: CPU: 3 PID: 708 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 45.352042] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_usbpd_charger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 45.398328] CPU: 3 PID: 708 Comm: cat Tainted: G D W 5.10.182-cip35 #1 # [ 45.413544] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 45.426493] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 45.438682] Code: cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 31 56 e9 02 48 c7 c7 b8 92 5f 83 8d 70 01 89 35 21 56 e9 02 e8 47 c1 64 00 <0f> 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 c7 # [ 45.466170] RSP: 0018:ffffa6d6c137fe60 EFLAGS: 00010286 # [ 45.478457] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 # [ 45.492949] RDX: ffff930a3bdac660 RSI: ffff930a3bd9bf70 RDI: ffff930a3bd9bf70 # [ 45.507385] RBP: ffffffff835f8d5f R08: 0000000000000000 R09: 0000000000000000 # [ 45.521913] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010 # [ 45.536349] R13: ffffa6d6c137ff10 R14: ffffa6d6c137ff10 R15: ffff9309c2ba2000 # [ 45.550849] FS: 00007fbe7a34d580(0000) GS:ffff930a3bd80000(0000) knlGS:0000000000000000 # [ 45.566376] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 45.579333] CR2: 00007fbe7a157000 CR3: 0000000103e16000 CR4: 00000000003506e0 # [ 45.593790] Call Trace: # [ 45.603054] ? __warn+0x80/0x110 # [ 45.613102] ? lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 45.624607] ? report_bug+0x9e/0xc0 # [ 45.635017] ? handle_bug+0x41/0x90 # [ 45.645405] ? exc_invalid_op+0x14/0x70 # [ 45.656185] ? asm_exc_invalid_op+0x12/0x20 # [ 45.667430] ? lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 45.678821] direct_entry.cold+0x2c/0x38 # [ 45.689782] full_proxy_write+0x56/0x80 # [ 45.700453] vfs_write+0xea/0x3b0 # [ 45.710706] ksys_write+0x68/0xf0 # [ 4<6>[ 46.217122] lkdtm: Performing direct entry EXCEPTION 5.720969] do_syscall_64+0x33/0x40 # [ 45.731405] entry_SYSC<1>[ 46.227569] BUG: kernel NULL pointer dereference, address: 0000000000000000 <1>[ 46.241745] #PF: supervisor write access in kernel mode <1>[ 46.247856] #PF: error_code(0x0002) - not-present page <6>[ 46.253870] PGD 0 P4D 0 <4>[ 46.256993] Oops: 0002 [#2] SMP PTI <4>[ 46.261175] CPU: 3 PID: 740 Comm: cat Tainted: G D W 5.10.182-cip35 #1 <4>[ 46.269991] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 46.276889] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20 <4>[ 46.282135] Code: 48 c7 c7 b8 92 5f 83 8d 70 01 89 35 21 56 e9 02 e8 47 c1 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>[ 46.303379] RSP: 0018:ffffa6d6c13f7e60 EFLAGS: 00010286 <4>[ 46.309508] RAX: ffffffff821795a0 RBX: 0000000000000004 RCX: 0000000000000000 <4>[ 46.317757] RDX: 0000000000000000 RSI: ffff930a3bd9bf70 RDI: ffffffff8317e880 <4>[ 46.326012] RBP: ffffffff834ed2a7 R08: 0000000000000000 R09: 0000000000000000 <4>[ 46.334268] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a <4>[ 46.342519] R13: ffffa6d6c13f7f10 R14: ffffa6d6c13f7f10 R15: ffff9309c446d000 <4>[ 46.350769] FS: 00007f5350209580(0000) GS:ffff930a3bd80000(0000) knlGS:0000000000000000 <4>[ 46.360081] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 46.366784] CR2: 0000000000000000 CR3: 000000010682e000 CR4: 00000000003506e0 <4>[ 46.375036] Call Trace: <4>[ 46.378065] ? __die_body.cold+0x1a/0x1f <4>[ 46.382735] ? no_context+0x177/0x380 <4>[ 46.387120] ? exc_page_fault+0x53/0x170 <4>[ 46.391790] ? asm_exc_page_fault+0x1e/0x30 <4>[ 46.396748] ? lkdtm_WARNING_MESSAGE+0x30/0x30 <4>[ 46.402002] ? lkdtm_EXCEPTION+0x5/0x20 <4>[ 46.406575] direct_entry.cold+0x2c/0x38 <4>[ 46.411248] full_proxy_write+0x56/0x80 <4>[ 46.415824] vfs_write+0xea/0x3b0 <4>[ 46.419816] ksys_write+0x68/0xf0 <4>[ 46.423813] do_syscall_64+0x33/0x40 <4>[ 46.428093] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 46.434021] RIP: 0033:0x7f535011f473 <4>[ 46.438298] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 46.459546] RSP: 002b:00007ffc10c505d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 46.468287] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f535011f473 <4>[ 46.476541] RDX: 000000000000000a RSI: 00007f5350013000 RDI: 0000000000000001 <4>[ 46.484791] RBP: 00007f5350013000 R08: 00007f5350012010 R09: 0000000000000000 <4>[ 46.493046] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 46.501308] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 46.509580] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_usbpd_charger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table <4>[ 46.549616] CR2: 0000000000000000 <4>[ 46.553607] ---[ end trace bf7d0a621a4c6661 ]--- <4>[ 46.559052] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 46.563718] Code: 89 ff e8 3e e6 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 50 56 e9 02 <4>[ 46.584974] RSP: 0018:ffffa6d6c1257e60 EFLAGS: 00010282 <4>[ 46.591091] RAX: ffffffff82179540 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 46.599333] RDX: 0000000000000000 RSI: ffff930a3bd1bf70 RDI: ffffffff8317e850 <4>[ 46.607584] RBP: ffffffff8365d410 R08: 0000000000000001 R09: 0000000000000001 <4>[ 46.615836] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 46.624088] R13: ffffa6d6c1257f10 R14: ffffa6d6c1257f10 R15: ffff9309c4524000 <4>[ 46.632347] FS: 00007f5350209580(0000) GS:ffff930a3bd80000(0000) knlGS:0000000000000000 <4>[ 46.641672] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 46.648372] CR2: 0000000000000000 CR3: 000000010682e000 CR4: 00000000003506e0 <3>[ 46.656635] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 46.666821] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 740, name: cat <4>[ 46.675458] INFO: lockdep is turned off. <4>[ 46.680119] irq event stamp: 0 <4>[ 46.683817] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 46.691102] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 <4>[ 46.700506] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 <4>[ 46.709927] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 46.717207] CPU: 3 PID: 740 Comm: cat Tainted: G D W 5.10.182-cip35 #1 <4>[ 46.726027] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 46.732926] Call Trace: <4>[ 46.735958] dump_stack+0x77/0x9b <4>[ 46.739956] ___might_sleep.cold+0xa6/0xb6 <4>[ 46.744826] exit_signals+0x1c/0x300 <4>[ 46.749109] do_exit+0xc2/0xab0 <4>[ 46.752912] ? ksys_write+0x68/0xf0 <4>[ 46.757097] make_task_dead+0x2f/0x30 <4>[ 46.761474] rewind_stack_and_make_dead+0x17/0x20 <4>[ 46.767023] RIP: 0033:0x7f535011f473 <4>[ 46.771293] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 46.792528] RSP: 002b:00007ffc10c505d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 46.801262] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f535011f473 <4>[ 46.809512] RDX: 000000000000000a RSI: 00007f5350013000 RDI: 0000000000000001 <4>[ 46.817761] RBP: 00007f5350013000 R08: 00007f5350012010 R09: 0000000000000000 <4>[ 46.826009] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 46.834263] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ALL_64_after_hwframe+0x61/0xc6 # [ 45.743551] RIP: 0033:0x7fbe7a263473 # [ 45.754004] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 45.781467] RSP: 002b:00007ffd2f0f8878 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 45.796392] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007fbe7a263473 # [ 45.810942] RDX: 0000000000000010 RSI: 00007fbe7a157000 RDI: 0000000000000001 # [ 45.825326] RBP: 00007fbe7a157000 R08: 00007fbe7a156010 R09: 0000000000000000 # [ 45.839838] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 45.854353] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 45.868790] irq event stamp: 0 # [ 45.878725] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 45.892214] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 45.907900] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 45.923523] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 45.936999] ---[ end trace bf7d0a621a4c6660 ]--- # WARNING_MESSAGE: saw 'message trigger': ok ok 4 selftests: lkdtm: WARNING_MESSAGE.sh # selftests: lkdtm: EXCEPTION.sh # Killed # [ 46.217122] lkdtm: Performing direct entry EXCEPTION # [ 46.227569] BUG: kernel NULL pointer dereference, address: 0000000000000000 # [ 46.241745] #PF: supervisor write access in kernel mode # [ 46.247856] #PF: error_code(0x0002) - not-present page # [ 46.253870] PGD 0 P4D 0 # [ 46.256993] Oops: 0002 [#2] SMP PTI # [ 46.261175] CPU: 3 PID: 740 Comm: cat Tainted: G D W 5.10.182-cip35 #1 # [ 46.269991] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 46.276889] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20 # [ 46.282135] Code: 48 c7 c7 b8 92 5f 83 8d 70 01 89 35 21 56 e9 02 e8 47 c1 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 # [ 46.303379] RSP: 0018:ffffa6d6c13f7e60 EFLAGS: 00010286 # [ 46.309508] RAX: ffffffff821795a0 RBX: 0000000000000004 RCX: 0000000000000000 # [ 46.317757] RDX: 0000000000000000 RSI: ffff930a3bd9bf70 RDI: ffffffff8317e880 # [ 46.326012] RBP: ffffffff834ed2a7 R08: 0000000000000000 R09: 0000000000000000 # [ 46.334268] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 46.342519] R13: ffffa6d6c13f7f10 R14: ffffa6d6c13f7f10 R15: ffff9309c446d000 # [ 46.350769] FS: 00007f5350209580(0000) GS:ffff930a3bd80000(0000) knlGS:0000000000000000 # [ 46.360081] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 46.366784] CR2: 0000000000000000 CR3: 000000010682e000 CR4: 00000000003506e0 # [ 46.375036] Call Trace: # [ 46.378065] ? __die_body.cold+0x1a/0x1f # [ 46.382735] ? no_context+0x177/0x380 # [ 46.387120] ? exc_page_fault+0x53/0x170 # [ 46.391790] ? asm_exc_page_fault+0x1e/0x30 # [ 46.396748] ? lkdtm_WARNING_MESSAGE+0x30/0x30 # [ 46.402002] ? lkdtm_EXCEPTION+0x5/0x20 # [ 46.406575] direct_entry.cold+0x2c/0x38 # [ 46.411248] full_proxy_write+0x56/0x80 # [ 46.415824] vfs_write+0xea/0x3b0 # [ 46.419816] ksys_write+0x68/0xf0 # [ 46.423813] do_syscall_64+0x33/0x40 # [ 46.428093] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 46.434021] RIP: 0033:0x7f535011f473 # [ 46.438298] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 46.459546] RSP: 002b:00007ffc10c505d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 46.468287] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f535011f473 # [ 46.476541] RDX: 000000000000000a RSI: 00007f5350013000 RDI: 0000000000000001 # [ 46.484791] RBP: 00007f5350013000 R08: 00007f5350012010 R09: 0000000000000000 # [ 46.493046] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 46.501308] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 46.509580] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_usbpd_charger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 46.549616] CR2: 0000000000000000 # [ 46.553607] ---[ end trace bf7d0a621a4c6661 ]--- # [ 46.559052] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 46.563718] Code: 89 ff e8 3e e6 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 50 56 e9 02 # [ 46.584974] RSP: 0018:ffffa6d6c1257e60 EFLAGS: 00010282 # [ 46.591091] RAX: ffffffff82179540 RBX: 0000000000000001 RCX: 0000000000000000 # [ 46.599333] RDX: 0000000000000000 RSI: ffff930a3bd1bf70 RDI: ffffffff8317e850 # [ 46.607584] RBP: ffffffff8365d410 R08: 0000000000000001 R09: 0000000000000001 # [ 46.615836] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 46.624088] R13: ffffa6d6c1257f10 R14: ffffa6d6c1257f10 R15: ffff9309c4524000 # [ 46.632347] FS: 00007f5350209580(0000) GS:ffff930a3bd80000(0000) knlGS:0000000000000000 # [ 46.641672] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 46.648372] CR2: 0000000000000000 CR3: 000000010682e000 CR4: 00000000003506e0 # [ 46.656635] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 46.666821] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 740, name: cat # [ 46.675458] INFO: lockdep is turned off. # [ 46.680119] irq event stamp: 0 # [ 46.683817] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 46.691102] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 46.700506] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 46.709927] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 46.717207] CPU: 3 PID: 740 Comm: cat Tainted: G D W 5.10.182-cip35 #1 # [ 46.726027] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 46.732926] Call Trace: # [ 46.735958] dump_stack+0x77/0x9b # [ 46.739956] ___might_sleep.cold+0xa6/0xb6 # [ 46.744826] exit_signals+0x1c/0x300 # [ 46.749109] do_exit+0xc2/0xab0 # [ 46.752912] ? ksys_write+0x68/0xf0 # [ 46.757097] make_task_dead+0x2f/0x30 # [ 46.761474] rewind_stack_and_make_dead+0x17/0x20 # [ 46.767023] RIP: 0033:0x7f535011f473 # [ 46.771293] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 46.792528] RSP: 002b:00007ffc10c505d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 46.801262] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f535011f473 # [ 46.809512] RDX: 000000000000000a RSI: 00007f5350013000 RDI: 0000000000000001 # [ 46.817761] RBP: 00007f5350013000 R08: 00007f5350012010 R09: 0000000000000000 # [ 46.826009] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 46.834263] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # EXCEPTION: saw 'call trace:': ok ok 5 selftests: lkdtm: EXCEPTION.sh # selftests: lkdtm: LOOP.sh # Skipping LOOP: Hangs the system ok 6 selftests: lkdtm: LOOP.sh # SKIP # selftests: lkdtm: EXHAUST_STACK.sh # Skipping EXHAUST_STACK: Corrupts memory on failure ok 7 selftests: lkdtm: EXHAUST_STACK.sh # SKIP # selftests: lkdtm: CORRUPT_STACK.sh # Skipping CORRUPT_STACK: Crashes entire system on success ok 8 selftests: lkdtm: CORRUPT_STACK.sh # SKIP # selftests: lkdtm: CORRUPT_STACK_STRONG.sh # Skipping CORRUPT_STACK_STRONG: Crashes entire system on success ok 9 selftests: lkdtm: CORRUPT_STACK_STRONG.sh # SKIP # selftests: lkdtm: CORRUPT_LIST_ADD.sh <6>[ 47.706272] lkdtm: Performing direct entry CORRUPT_LIST_ADD <6>[ 47.712844] lkdtm: attempting good list addition <6>[ 47.718321] lkdtm: attempting corrupted list addition <3>[ 47.724289] lkdtm: list_add() corruption not detected! # [ 47.706272] lkdtm: Performing direct entry CORRUPT_LIST_ADD # [ 47.712844] lkdtm: attempting good list addition # [ 47.718321] lkdtm: attempting corrupted list addition # [ 47.724289] 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>[ 47.981142] lkdtm: Performing direct entry CORRUPT_LIST_DEL <6>[ 47.987711] lkdtm: attempting good list removal <6>[ 47.993081] lkdtm: attempting corrupted list removal <3>[ 47.998971] lkdtm: list_del() corruption not detected! # [ 47.981142] lkdtm: Performing direct entry CORRUPT_LIST_DEL # [ 47.987711] lkdtm: attempting good list removal # [ 47.993081] lkdtm: attempting corrupted list removal # [ 47.998971] 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>[ 48.259026] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING <6>[ 48.266362] lkdtm: attempting bad read from page below current stack <0>[ 48.273814] BUG: stack guard page was hit at 00000000dc094618 (stack is 00000000bea46c87..000000008bdb3eca) <4>[ 48.284993] kernel stack overflow (page fault): 0000 [#3] SMP PTI <4>[ 48.292094] CPU: 0 PID: 965 Comm: cat Tainted: G D W 5.10.182-cip35 #1 <4>[ 48.300938] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 48.307848] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a <4>[ 48.314649] Code: cc cc cc 0f 1f 44 00 00 53 48 c7 c7 58 96 5f 83 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 b5 de fb ff 48 c7 c7 98 96 5f 83 <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 9b de fb ff 0f 1f 44 <4>[ 48.335879] RSP: 0018:ffffa6d6c171fe50 EFLAGS: 00010246 <4>[ 48.341999] RAX: 0000000000000038 RBX: ffffa6d6c171c000 RCX: 0000000000000000 <4>[ 48.350243] RDX: 0000000000000000 RSI: ffff930a3bc1bf70 RDI: ffffffff835f9698 <4>[ 48.358488] RBP: ffffffff835f8dc2 R08: 0000000000000000 R09: 0000000000000000 <4>[ 48.366746] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019 <4>[ 48.375004] R13: ffffa6d6c171ff10 R14: ffffa6d6c171ff10 R15: ffff9309c4a12000 <4>[ 48.383263] FS: 00007f8ffe74c580(0000) GS:ffff930a3bc00000(0000) knlGS:0000000000000000 <4>[ 48.392583] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 48.399287] CR2: ffffa6d6c171bfff CR3: 0000000104214000 CR4: 00000000003506f0 <4>[ 48.407548] Call Trace: <4>[ 48.410572] <#DF> <4>[ 48.413113] ? __die_body.cold+0x1a/0x1f <4>[ 48.417780] ? die+0x2b/0x50 <4>[ 48.421283] ? handle_stack_overflow+0x3e/0x4d <4>[ 48.426531] ? no_context+0x24d/0x380 <4>[ 48.430900] <4>[ 48.433529] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_usbpd_charger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table <4>[ 48.473555] ---[ end trace bf7d0a621a4c6662 ]--- <4>[ 48.479008] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 48.483673] Code: 89 ff e8 3e e6 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 50 56 e9 02 <4>[ 48.504890] RSP: 0018:ffffa6d6c1257e60 EFLAGS: 00010282 <4>[ 48.511018] RAX: ffffffff82179540 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 48.519276] RDX: 0000000000000000 RSI: ffff930a3bd1bf70 RDI: ffffffff8317e850 <4>[ 48.527533] RBP: ffffffff8365d410 R08: 0000000000000001 R09: 0000000000000001 <4>[ 48.535788] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 48.544046] R13: ffffa6d6c1257f10 R14: ffffa6d6c1257f10 R15: ffff9309c4524000 <4>[ 48.552299] FS: 00007f8ffe74c580(0000) GS:ffff930a3bc00000(0000) knlGS:0000000000000000 <4>[ 48.561618] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 48.568312] CR2: ffffa6d6c171bfff CR3: 0000000104214000 CR4: 00000000003506f0 <3>[ 48.576559] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 48.586758] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 965, name: cat <4>[ 48.595400] INFO: lockdep is turned off. <4>[ 48.600061] irq event stamp: 0 <4>[ 48.603758] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 48.611035] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 <4>[ 48.620442] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 <4>[ 48.629859] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 48.637141] CPU: 0 PID: 965 Comm: cat Tainted: G D W 5.10.182-cip35 #1 <4>[ 48.645975] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 48.652860] Call Trace: <4>[ 48.655880] dump_stack+0x77/0x9b <4>[ 48.659873] ___might_sleep.cold+0xa6/0xb6 <4>[ 48.664740] exit_signals+0x1c/0x300 <4>[ 48.669024] do_exit+0xc2/0xab0 <4>[ 48.672828] ? ksys_write+0x68/0xf0 <4>[ 48.677020] make_task_dead+0x2f/0x30 <4>[ 48.681405] rewind_stack_and_make_dead+0x17/0x20 <4>[ 48.686938] RIP: 0033:0x7f8ffe662473 <4>[ 48.691218] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 48.712443] RSP: 002b:00007ffd38642ef8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 48.721166] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007f8ffe662473 <4>[ 48.729413] RDX: 0000000000000019 RSI: 00007f8ffe556000 RDI: 0000000000000001 <4>[ 48.737660] RBP: 00007f8ffe556000 R08: 00007f8ffe555010 R09: 0000000000000000 <4>[ 48.745917] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 48.754162] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # Segmentation fault # [ 48.259026] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING # [ 48.266362] lkdtm: attempting bad read from page below current stack # [ 48.273814] BUG: stack guard page was hit at 00000000dc094618 (stack is 00000000bea46c87..000000008bdb3eca) # [ 48.284993] kernel stack overflow (page fault): 0000 [#3] SMP PTI # [ 48.292094] CPU: 0 PID: 965 Comm: cat Tainted: G D W 5.10.182-cip35 #1 # [ 48.300938] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 48.307848] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a # [ 48.314649] Code: cc cc cc 0f 1f 44 00 00 53 48 c7 c7 58 96 5f 83 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 b5 de fb ff 48 c7 c7 98 96 5f 83 <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 9b de fb ff 0f 1f 44 # [ 48.335879] RSP: 0018:ffffa6d6c171fe50 EFLAGS: 00010246 # [ 48.341999] RAX: 0000000000000038 RBX: ffffa6d6c171c000 RCX: 0000000000000000 # [ 48.350243] RDX: 0000000000000000 RSI: ffff930a3bc1bf70 RDI: ffffffff835f9698 # [ 48.358488] RBP: ffffffff835f8dc2 R08: 0000000000000000 R09: 0000000000000000 # [ 48.366746] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019 # [ 48.375004] R13: ffffa6d6c171ff10 R14: ffffa6d6c171ff10 R15: ffff9309c4a12000 # [ 48.383263] FS: 00007f8ffe74c580(0000) GS:ffff930a3bc00000(0000) knlGS:0000000000000000 # [ 48.392583] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 48.399287] CR2: ffffa6d6c171bfff CR3: 0000000104214000 CR4: 00000000003506f0 # [ 48.407548] Call Trace: # [ 48.410572] <#DF> # [ 48.413113] ? __die_body.cold+0x1a/0x1f # [ 48.417780] ? die+0x2b/0x50 # [ 48.421283] ? handle_stack_overflow+0x3e/0x4d # [ 48.426531] ? no_context+0x24d/0x380 # [ 48.430900] # [ 48.433529] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_usbpd_charger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 48.473555] ---[ end trace bf7d0a621a4c6662 ]--- # [ 48.479008] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 48.483673] Code: 89 ff e8 3e e6 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 50 56 e9 02 # [ 48.504890] RSP: 0018:ffffa6d6c1257e60 EFLAGS: 00010282 # [ 48.511018] <6>[ 49.055615] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING <6>[ 49.063464] lkdtm: attempting bad read from page above current stack <0>[ 49.070878] BUG: stack guard page was hit at 0000000070c4a2d4 (stack is 00000000c3a035e0..00000000bf683807) <4>[ 49.082039] kernel stack overflow (page fault): 0000 [#4] SMP PTI <4>[ 49.089130] CPU: 0 PID: 998 Comm: cat Tainted: G D W 5.10.182-cip35 #1 RAX: ffffffff82179540 RBX: 0000000000000001 RCX: 000000000000000<4>[ 49.097957] Hardware name: Google Coral/Coral, BIOS 09/29/2020 0 <# [ 48.519276] RDX: 0000000000000000 RSI: ffff930a3bd1bf70 4>[ 49.111038] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILING+0x27/0x3d <4>[ 49.124132] Code: de fb ff 0f 1f 44 00 00 53 48 c7 c7 d0 96 5f 83 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 7b de fb ff 48 c7 c7 10 97 5f 83 <8a> 83 00 40 00 00 88 44 24 07 0f b6 74 24 07 5a 5b e9 5e de fb ff <4>[ 49.145355] RSP: 0018:ffffa6d6c179fe50 EFLAGS: 00010246 <4>[ 49.151473] RAX: 0000000000000038 RBX: ffffa6d6c179c000 RCX: 0000000000000000 <4>[ 49.159718] RDX: 0000000000000000 RSI: ffff930a3bc1bf70 RDI: ffffffff835f9710 <4>[ 49.167967] RBP: ffffffff835f8ddb R08: 0000000000000000 R09: 0000000000000000 <4>[ 49.176209] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001a <4>[ 49.184453] R13: ffffa6d6c179ff10 R14: ffffa6d6c179ff10 R15: ffff9309c33f1000 <4>[ 49.192696] FS: 00007f8cd0434580(0000) GS:ffff930a3bc00000(0000) knlGS:0000000000000000 <4>[ 49.202003] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 49.208721] CR2: ffffa6d6c17a0000 CR3: 0000000102b5c000 CR4: 00000000003506f0 <4>[ 49.216968] Call Trace: <4>[ 49.219988] <#DF> <4>[ 49.222520] ? __die_body.cold+0x1a/0x1f <4>[ 49.227192] ? die+0x2b/0x50 <4>[ 49.230699] ? handle_stack_overflow+0x3e/0x4d <4>[ 49.235949] ? no_context+0x24d/0x380 <4>[ 49.240329] <4>[ 49.242957] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_usbpd_charger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table RDI: ffffffff8317e850 # [ 48.527533] RBP: ffffffff8365d410 R0<4>[ 49.282981] ---[ end trace bf7d0a621a4c6663 ]--- <4>[ 49.294605] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 49.299267] Code: 89 ff e8 3e e6 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 50 56 e9 02 <4>[ 49.320477] RSP: 0018:ffffa6d6c1257e60 EFLAGS: 00010282 <4>[ 49.326592] RAX: ffffffff82179540 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 49.334836] RDX: 0000000000000000 RSI: ffff930a3bd1bf70 RDI: ffffffff8317e850 <4>[ 49.343078] RBP: ffffffff8365d410 R08: 0000000000000001 R09: 0000000000000001 <4>[ 49.351324] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 49.359569] R13: ffffa6d6c1257f10 R14: ffffa6d6c1257f10 R15: ffff9309c4524000 <4>[ 49.367814] FS: 00007f8cd0434580(0000) GS:ffff930a3bc00000(0000) knlGS:0000000000000000 <4>[ 49.377136] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 49.383844] CR2: ffffa6d6c17a0000 CR3: 0000000102b5c000 CR4: 00000000003506f0 <3>[ 49.392106] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 49.402305] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 998, name: cat <4>[ 49.410940] INFO: lockdep is turned off. <4>[ 49.415600] irq event stamp: 0 <4>[ 49.419297] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 49.426585] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 <4>[ 49.436007] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 <4>[ 49.445424] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 49.452713] CPU: 0 PID: 998 Comm: cat Tainted: G D W 5.10.182-cip35 #1 <4>[ 49.461547] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 49.468438] Call Trace: <4>[ 49.471461] dump_stack+0x77/0x9b <4>[ 49.475452] ___might_sleep.cold+0xa6/0xb6 <4>[ 49.480318] exit_signals+0x1c/0x300 <4>[ 49.484600] do_exit+0xc2/0xab0 <4>[ 49.488397] ? ksys_write+0x68/0xf0 <4>[ 49.492583] make_task_dead+0x2f/0x30 <4>[ 49.496962] rewind_stack_and_make_dead+0x17/0x20 <4>[ 49.502499] RIP: 0033:0x7f8cd034a473 <4>[ 49.506778] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 49.528031] RSP: 002b:00007ffdfc697be8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 49.536777] RAX: ffffffffffffffda RBX: 000000000000001a RCX: 00007f8cd034a473 <4>[ 49.545036] RDX: 000000000000001a RSI: 00007f8cd023e000 RDI: 0000000000000001 <4>[ 49.553294] RBP: 00007f8cd023e000 R08: 00007f8cd023d010 R09: 0000000000000000 <4>[ 49.561549] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 49.569792] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 8: 0000000000000001 R09: 0000000000000001 # [ 48.535788] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 48.544046] R13: ffffa6d6c1257f10 R14: ffffa6d6c1257f10 R15: ffff9309c4524000 # [ 48.552299] FS: 00007f8ffe74c580(0000) GS:ffff930a3bc00000(0000) knlGS:0000000000000000 # [ 48.561618] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 48.568312] CR2: ffffa6d6c171bfff CR3: 0000000104214000 CR4: 00000000003506f0 # [ 48.576559] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 48.586758] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 965, name: cat # [ 48.595400] INFO: lockdep is turned off. # [ 48.600061] irq event stamp: 0 # [ 48.603758] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 48.611035] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 48.620442] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 48.629859] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 48.637141] CPU: 0 PID: 965 Comm: cat Tainted: G D W 5.10.182-cip35 #1 # [ 48.645975] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 48.652860] Call Trace: # [ 48.655880] dump_stack+0x77/0x9b # [ 48.659873] ___might_sleep.cold+0xa6/0xb6 # [ 48.664740] exit_signals+0x1c/0x300 # [ 48.669024] do_exit+0xc2/0xab0 # [ 48.672828] ? ksys_write+0x68/0xf0 # [ 48.677020] make_task_dead+0x2f/0x30 # [ 48.681405] rewind_stack_and_make_dead+0x17/0x20 # [ 48.686938] RIP: 0033:0x7f8ffe662473 # [ 48.691218] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 48.712443] RSP: 002b:00007ffd38642ef8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 48.721166] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007f8ffe662473 # [ 48.729413] RDX: 0000000000000019 RSI: 00007f8ffe556000 RDI: 0000000000000001 # [ 48.737660] RBP: 00007f8ffe556000 R08: 00007f8ffe555010 R09: 0000000000000000 # [ 48.745917] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 48.754162] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # STACK_GUARD_PAGE_LEADING: saw 'call trace:': ok ok 12 selftests: lkdtm: STACK_GUARD_PAGE_LEADING.sh # selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh # Segmentation fault # [ 49.055615] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING # [ 49.063464] lkdtm: attempting bad read from page above current stack # [ 49.070878] BUG: stack guard page was hit at 0000000070c4a2d4 (stack is 00000000c3a035e0..00000000bf683807) # [ 49.082039] kernel stack overflow (page fault): 0000 [#4] SMP PTI # [ 49.089130] CPU: 0 PID: 998 Comm: cat Tainted: G D W 5.10.182-cip35 #1 # [ 49.097957] Hardware name: Google Coral/Coral, BIOS 09<6>[ 49.864737] lkdtm: Performing direct entry UNSET_SMEP <6>[ 49.875535] lkdtm: trying to clear SMEP normally <4>[ 49.881025] ------------[ cut here ]------------ /29/2020 # [ 49.111038] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAI<4>[ 49.886503] pinned CR4 bits changed: 0x100000!? LING+0x27/0x3d # [ 49.124132] Code: de fb ff 0f 1f 44 00 00 5<4>[ 49.898067] WARNING: CPU: 0 PID: 1034 at arch/x86/kernel/cpu/common.c:392 native_write_cr4+0x45/0x60 3 48 c7 c7 d0 96 5f 83 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18<4>[ 49.914718] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_usbpd_charger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table <4>[ 49.960939] CPU: 0 PID: 1034 Comm: cat Tainted: G D W 5.10.182-cip35 #1 <4>[ 49.969907] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 49.976822] RIP: 0010:native_write_cr4+0x45/0x60 <4>[ 49.982286] Code: 39 c2 75 2d 48 85 f6 75 05 c3 cc cc cc cc 80 3d e3 33 46 02 00 75 f2 48 c7 c7 68 73 4f 83 c6 05 d3 33 46 02 01 e8 d2 30 10 01 <0f> 0b c3 cc cc cc cc 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09 <4>[ 50.003536] RSP: 0018:ffffa6d6c181fe48 EFLAGS: 00010286 <4>[ 50.009679] RAX: 0000000000000000 RBX: 00000000002506f0 RCX: 0000000000000000 <4>[ 50.017946] RDX: ffff930a3bc2c660 RSI: ffff930a3bc1bf70 RDI: ffff930a3bc1bf70 <4>[ 50.026214] RBP: ffffffff835f8df5 R08: 0000000000000000 R09: 0000000000000000 <4>[ 50.034480] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b <4>[ 50.042746] R13: ffffa6d6c181ff10 R14: ffffa6d6c181ff10 R15: ffff9309c4551000 <4>[ 50.051016] FS: 00007f6e99757580(0000) GS:ffff930a3bc00000(0000) knlGS:0000000000000000 <4>[ 50.060351] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 50.067070] CR2: 00007f6e99561000 CR3: 0000000105e3c000 CR4: 00000000003506f0 <4>[ 50.075338] Call Trace: <4>[ 50.078390] ? __warn+0x80/0x110 <4>[ 50.082297] ? native_write_cr4+0x45/0x60 <4>[ 50.087085] ? report_bug+0x9e/0xc0 <4>[ 50.091293] ? handle_bug+0x41/0x90 <4>[ 50.095496] ? exc_invalid_op+0x14/0x70 <4>[ 50.100086] ? asm_exc_invalid_op+0x12/0x20 <4>[ 50.105073] ? native_write_cr4+0x45/0x60 <4>[ 50.109858] ? native_write_cr4+0x45/0x60 <4>[ 50.114646] lkdtm_UNSET_SMEP.cold+0x1d/0x103 <4>[ 50.119823] direct_entry.cold+0x2c/0x38 <4>[ 50.124516] full_proxy_write+0x56/0x80 <4>[ 50.129111] vfs_write+0xea/0x3b0 <4>[ 50.133132] ksys_write+0x68/0xf0 <4>[ 50.137146] do_syscall_64+0x33/0x40 <4>[ 50.141449] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 50.147397] RIP: 0033:0x7f6e9966d473 <4>[ 50.151698] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 50.172948] RSP: 002b:00007ffdea69bc48 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 50.181706] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f6e9966d473 <4>[ 50.189983] RDX: 000000000000000b RSI: 00007f6e99561000 RDI: 0000000000000001 e8 7b de fb ff 48 c7 c7 10 97 5f 83 <8a> 83 00 40 00 00 88 44 2<4>[ 50.198250] RBP: 00007f6e99561000 R08: 00007f6e99560010 R09: 0000000000000000 <4>[ 50.212692] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 50.220958] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 50.229240] irq event stamp: 0 <4>[ 50.232959] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 50.240263] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 4 07 0f b6 74 24 07 5a 5b e9 5e de fb ff # [ 49.145355] RSP: <4>[ 50.249698] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 <4>[ 50.265310] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 50.272620] ---[ end trace bf7d0a621a4c6664 ]--- <6>[ 50.278077] lkdtm: ok: SMEP did not get cleared <6>[ 50.283438] lkdtm: trying to clear SMEP with call gadget <6>[ 50.289684] lkdtm: ok: SMEP removal was reverted 0018:ffffa6d6c179fe50 EFLAGS: 00010246 # [ 49.151473] RAX: 0000000000000038 RBX: ffffa6d6c179c000 RCX: 0000000000000000 # [ 49.159718] RDX: 0000000000000000 RSI: ffff930a3bc1bf70 RDI: ffffffff835f9710 # [ 49.167967] RBP: ffffffff835f8ddb R08: 0000000000000000 R09: 0000000000000000 # [ 49.176209] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001a # [ 49.184453] R13: ffffa6d6c179ff10 R14: ffffa6d6c179ff10 R15: ffff9309c33f1000 # [ 49.192696] FS: 00007f8cd0434580(0000) GS:ffff930a3bc00000(0000) knlGS:0000000000000000 # [ 49.202003] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 49.208721] CR2: ffffa6d6c17a0000 CR3: 0000000102b5c000 CR4: 00000000003506f0 # [ 49.216968] Call Trace: # [ 49.219988] <#DF> # [ 49.222520] ? __die_body.cold+0x1a/0x1f # [ 49.227192] ? die+0x2b/0x50 # [ 49.230699] ? handle_stack_overflow+0x3e/0x4d # [ 49.235949] ? no_context+0x24d/0x380 # [ 49.240329] # [ 49.242957] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_usbpd_charger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 49.282981] ---[ end trace bf7d0a621a4c6663 ]--- # [ 49.294605] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 49.299267] Code: 89 ff e8 3e e6 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 50 56 e9 02 # [ 49.320477] RSP: 0018:ffffa6d6c1257e60 EFLAGS: 00010282 # [ 49.326592] RAX: ffffffff82179540 RBX: 0000000000000001 RCX: 0000000000000000 # [ 49.334836] RDX: 0000000000000000 RSI: ffff930a3bd1bf70 RDI: ffffffff8317e850 # [ 49.343078] RBP: ffffffff8365d410 R08: 0000000000000001 R09: 0000000000000001 # [ 49.351324] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 49.359569] R13: ffffa6d6c1257f10 R14: ffffa6d6c1257f10 R15: ffff9309c4524000 # [ 49.367814] FS: 00007f8cd0434580(0000) GS:ffff930a3bc00000(0000) knlGS:0000000000000000 # [ 49.377136] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 49.383844] CR2: ffffa6d6c17a0000 CR3: 0000000102b5c000 CR4: 00000000003506f0 # [ 49.392106] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 49.402305] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 998, name: cat # [ 49.410940] INFO: lockdep is turned off. # [ 49.415600] irq event stamp: 0 # [ 49.419297] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 49.426585] hardirqs last disabled<6>[ 50.565980] lkdtm: Performing direct entry DOUBLE_FAULT <3>[ 50.574294] lkdtm: XFAIL: this test is ia32-only at (0): [] copy_process+0x664/0x1c60 # [ 49.436007] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 49.445424] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 49.452713] CPU: 0 PID: 998 Comm: cat Tainted: G D W 5.10.182-cip35 #1 # [ 49.461547] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 49.468438] Call Trace: # [ 49.471461] dump_stack+0x77/0x9b # [ 49.475452] ___might_sleep.cold+0xa6/0xb6 # [ 49.480318] exit_signals+0x1c/0x300 # [ 49.484600] do_exit+0xc2/0xab0 # [ 49.488397] ? ksys_write+0x68/0xf0 # [ 49.492583] make_task_dead+0x2f/0x30 # [ 49.496962] rewind_stack_and_make_dead+0x17/0x20 # [ 49.502499] RIP: 0033:0x7f8cd034a473 # [ 49.506778] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 49.528031] RSP: 002b:00007ffdfc697be8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 49.536777] RAX: ffffffffffffffda RBX: 000000000000001a RCX: 00007f8cd034a473 # [ 49.545036] RDX: 000000000000001a RSI: 00007f8cd023e000 RDI: 0000000000000001 # [ 49.553294] RBP: 00007f8cd023e000 R08: 00007f8cd023d010 R09: 0000000000000000 # [ 49.561549] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 49.569792] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # STACK_GUARD_PAGE_TRAILING: saw 'call trace:': ok ok 13 selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh # selftests: lkdtm: UNSET_SMEP.sh # [ 49.864737] lkdtm: Performing direct entry UNSET_SMEP # [ 49.875535] lkdtm: trying to clear SMEP normally # [ 49.881025] ------------[ cut here ]------------ # [ 49.886503] pinned CR4 bits changed: 0x100000!? # [ 49.898067] WARNING: CPU: 0 PID: 1034 at arch/x86/kernel/cpu/common.c:392 native_write_cr4+0x45/0x60 # [ 49.914718] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_usbpd_charger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 49.960939] CPU: 0 PID: 1034 Comm: cat Tainted: G D W 5.10.182-cip35 #1 # [ 49.969907] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 49.976822] RIP: 0010:native_write_cr4+0x45/0x60 # [ 49.982286] Code: 39 c2 75 2d 48 85 f6 75 05 c3 cc cc cc cc 80 3d e3 33 46 02 00 75 f<6>[ 50.835217] lkdtm: Performing direct entry CORRUPT_PAC <3>[ 50.846249] lkdtm: XFAIL: this test is arm64-only 2 48 c7 c7 68 73 4f 83 c6 05 d3 33 46 02 01 e8 d2 30 10 01 <0f> 0b c3 cc cc cc cc 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09 # [ 50.003536] RSP: 0018:ffffa6d6c181fe48 EFLAGS: 00010286 # [ 50.009679] RAX: 0000000000000000 RBX: 00000000002506f0 RCX: 0000000000000000 # [ 50.017946] RDX: ffff930a3bc2c660 RSI: ffff930a3bc1bf70 RDI: ffff930a3bc1bf70 # [ 50.026214] RBP: ffffffff835f8df5 R08: 0000000000000000 R09: 0000000000000000 # [ 50.034480] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b # [ 50.042746] R13: ffffa6d6c181ff10 R14: ffffa6d6c181ff10 R15: ffff9309c4551000 # [ 50.051016] FS: 00007f6e99757580(0000) GS:ffff930a3bc00000(0000) knlGS:0000000000000000 # [ 50.060351] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 50.067070] CR2: 00007f6e99561000 CR3: 0000000105e3c000 CR4: 00000000003506f0 # [ 50.075338] Call Trace: # [ 50.078390] ? __warn+0x80/0x110 # [ 50.082297] ? native_write_cr4+0x45/0x60 # [ 50.087085] ? report_bug+0x9e/0xc0 # [ 50.091293] ? handle_bug+0x41/0x90 # [ 50.095496] ? exc_invalid_op+0x14/0x70 # [ 50.100086] ? asm_exc_invalid_op+0x12/0x20 # [ 50.105073] ? native_write_cr4+0x45/0x60 # [ 50.109858] ? native_write_cr4+0x45/0x60 # [ 50.114646] lkdtm_UNSET_SMEP.cold+0x1d/0x103 # [ 50.119823] direct_entry.cold+0x2c/0x38 # [ 50.124516] full_proxy_write+0x56/0x80 # [ 50.129111] vfs_write+0xea/0x3b0 # [ 50.133132] ksys_write+0x68/0xf0 # [ 50.137146] do_syscall_64+0x33/0x40 # [ 50.141449] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 50.147397] RIP: 0033:0x7f6e9966d473 # [ 50.151698] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 50.172948] RSP: 002b:00007ffdea69bc48 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 50.181706] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f6e9966d473 # [ 50.189983] RDX: 000000000000000b RSI: 00007f6e99561000 RDI: 0000000000000001 # [ 50.198250] RBP: 00007f6e99561000 R08: 00007f6e99560010 R09: 0000000000000000 # [ 50.212692] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 50.220958] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 50.229240] irq event stamp: 0 # [ 50.232959] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 50.240263] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ <6>[ 51.095010] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE <3>[ 51.107460] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS 50.249698] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 50.265310] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 50.272620] ---[ end trace bf7d0a621a4c6664 ]--- # [ 50.278077] lkdtm: ok: SMEP did not get cleared # [ 50.283438] lkdtm: trying to clear SMEP with call gadget # [ 50.289684] 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 # [ 50.565980] lkdtm: Performing direct entry DOUBLE_FAULT # [ 50.574294] 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 # [ 50.835217] lkdtm: Performing direct entry CORRUPT_PAC # [ 50.846249] lkdtm: XFAIL: this test is arm64-only # CORRUPT_PAC: saw 'XFAIL': [SKIP] ok 16 selftests: lkdtm: CORRUPT_PAC.sh # SKIP # selftests: lkdtm: UNALIGNED_LOAD_STORE_WRITE.sh # [ 51.095010] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE # [ 51.107460] 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>[ 51.633316] lkdtm: Performing direct entry READ_AFTER_FREE <6>[ 51.639782] lkdtm: Value in memory before free: 12345678 <6>[ 51.646061] lkdtm: Attempting bad read from freed memory <6>[ 51.652315] lkdtm: Memory was not poisoned # [ 51.633316] lkdtm: Performing direct entry READ_AFTER_FREE # [ 51.639782] lkdtm: Value in memory before free: 12345678 # [ 51.646061] lkdtm: Attempting bad read from freed memory # [ 51.652315] 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>[ 52.037426] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE <6>[ 52.044456] lkdtm: Value in memory before free: 12345678 <6>[ 52.050712] lkdtm: Attempting to read from freed memory <6>[ 52.056864] lkdtm: Buddy page was not poisoned # [ 52.037426] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE # [ 52.044456] lkdtm: Value in memory before free: 12345678 # [ 52.050712] lkdtm: Attempting to read from freed memory # [ 52.056864] 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>[ 52.313987] lkdtm: Performing direct entry SLAB_FREE_DOUBLE <6>[ 52.320569] lkdtm: Attempting double slab free ... # [ 52.313987] lkdtm: Performing direct entry SLAB_FREE_DOUBLE # [ 52.320569] 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>[ 52.589144] lkdtm: Performing direct entry SLAB_FREE_CROSS <6>[ 52.595604] lkdtm: Attempting cross-cache slab free ... # [ 52.589144] lkdtm: Performing direct entry SLAB_FREE_CROSS # [ 52.595604] 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>[ 52.856475] lkdtm: Performing direct entry SLAB_FREE_PAGE <6>[ 52.862834] lkdtm: Attempting non-Slab slab free ... # [ 52.856475] lkdtm: Performing direct entry SLAB_FREE_PAGE # [ 52.862834] 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>[ 53.644183] lkdtm: Performing direct entry EXEC_DATA <6>[ 53.650053] lkdtm: attempting ok execution at ffffffff82179910 <6>[ 53.656873] lkdtm: attempting bad execution at ffffffff8500ebe0 <2>[ 53.663810] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) <1>[ 53.672448] BUG: unable to handle page fault for address: ffffffff8500ebe0 <1>[ 53.680401] #PF: supervisor instruction fetch in kernel mode <1>[ 53.687001] #PF: error_code(0x0011) - permissions violation <6>[ 53.693507] PGD 76429067 P4D 76429067 PUD 7642a063 PMD 8000000077c000e3 <4>[ 53.701283] Oops: 0011 [#5] SMP PTI <4>[ 53.705467] CPU: 1 PID: 1541 Comm: cat Tainted: G D W 5.10.182-cip35 #1 <4>[ 53.714387] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 53.721286] RIP: 0010:data_area+0x0/0x40 <4>[ 53.725942] Code: ff ff 00 15 c2 c4 09 93 ff ff 00 14 c2 c4 09 93 ff ff 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 <4>[ 53.747167] RSP: 0018:ffffa6d6c1fb7e48 EFLAGS: 00010246 <4>[ 53.753285] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 53.761533] RDX: 0000000000000000 RSI: ffff930a3bc9bf70 RDI: ffff930a3bc9bf70 <4>[ 53.769778] RBP: ffffffff8500ebe0 R08: 0000000000000000 R09: 0000000000000000 <4>[ 53.778025] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a <4>[ 53.786269] R13: ffffa6d6c1fb7f10 R14: ffffa6d6c1fb7f10 R15: ffff9309c3dde000 <4>[ 53.794519] FS: 00007f1100d08580(0000) GS:ffff930a3bc80000(0000) knlGS:0000000000000000 <4>[ 53.803828] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 53.810522] CR2: ffffffff8500ebe0 CR3: 0000000105b1c000 CR4: 00000000003506e0 <4>[ 53.818769] Call Trace: <4>[ 53.821800] ? __die_body.cold+0x1a/0x1f <4>[ 53.826471] ? no_context+0x177/0x380 <4>[ 53.830851] ? exc_page_fault+0xd7/0x170 <4>[ 53.835520] ? asm_exc_page_fault+0x1e/0x30 <4>[ 53.840491] ? execute_location+0x48/0x56 <4>[ 53.845256] ? direct_entry.cold+0x2c/0x38 <4>[ 53.850128] ? full_proxy_write+0x56/0x80 <4>[ 53.854899] ? vfs_write+0xea/0x3b0 <4>[ 53.859083] ? ksys_write+0x68/0xf0 <4>[ 53.863269] ? do_syscall_64+0x33/0x40 <4>[ 53.867743] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 53.873871] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_usbpd_charger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table <4>[ 53.913872] CR2: ffffffff8500ebe0 <4>[ 53.917862] ---[ end trace bf7d0a621a4c6665 ]--- <4>[ 53.923305] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 53.927969] Code: 89 ff e8 3e e6 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 50 56 e9 02 <4>[ 53.949192] RSP: 0018:ffffa6d6c1257e60 EFLAGS: 00010282 <4>[ 53.955308] RAX: ffffffff82179540 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 53.963552] RDX: 0000000000000000 RSI: ffff930a3bd1bf70 RDI: ffffffff8317e850 <4>[ 53.971797] RBP: ffffffff8365d410 R08: 0000000000000001 R09: 0000000000000001 <4>[ 53.980038] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 53.988284] R13: ffffa6d6c1257f10 R14: ffffa6d6c1257f10 R15: ffff9309c4524000 <4>[ 53.996527] FS: 00007f1100d08580(0000) GS:ffff930a3bc80000(0000) knlGS:0000000000000000 <4>[ 54.005836] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 54.012528] CR2: ffffffff8500ebe0 CR3: 0000000105b1c000 CR4: 00000000003506e0 <3>[ 54.020779] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 54.030963] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1541, name: cat <4>[ 54.039690] INFO: lockdep is turned off. <4>[ 54.044350] irq event stamp: 0 <4>[ 54.048046] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 54.055323] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 <4>[ 54.064734] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 <4>[ 54.074140] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 54.081419] CPU: 1 PID: 1541 Comm: cat Tainted: G D W 5.10.182-cip35 #1 <4>[ 54.090344] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 54.097237] Call Trace: <4>[ 54.100259] dump_stack+0x77/0x9b <4>[ 54.104250] ___might_sleep.cold+0xa6/0xb6 <4>[ 54.109117] exit_signals+0x1c/0x300 <4>[ 54.113394] do_exit+0xc2/0xab0 <4>[ 54.117191] ? ksys_write+0x68/0xf0 <4>[ 54.121372] make_task_dead+0x2f/0x30 <4>[ 54.125746] rewind_stack_and_make_dead+0x17/0x20 <4>[ 54.131272] RIP: 0033:0x7f1100c1e473 <4>[ 54.135549] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 54.156775] RSP: 002b:00007fff4a1d61c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 54.165507] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f1100c1e473 <4>[ 54.173756] RDX: 000000000000000a RSI: 00007f1100b12000 RDI: 0000000000000001 <4>[ 54.182004] RBP: 00007f1100b12000 R08: 00007f1100b11010 R09: 0000000000000000 <4>[ 54.190252] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 54.198498] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # Killed # [ 53.644183] lkdtm: Performing direct entry EXEC_DATA # [ 53.650053] lkdtm: attempting ok execution at ffffffff82179910 # [ 53.656873] lkdtm: attempting bad execution at ffffffff8500ebe0 # [ 53.663810] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 53.672448] BUG: unable to handle page fault for address: ffffffff8500ebe0 # [ 53.680401] #PF: supervisor instruction fetch in kernel mode # [ 53.687001] #PF: error_code(0x0011) - permissions violation # [ 53.693507] PGD 76429067 P4D 76429067 PUD 7642a063 PMD 8000000077c000e3 # [ 53.701283] Oops: 0011 [#5] SMP PTI # [ 53.705467] CPU: 1 PID: 1541 Comm: cat Tainted: G D W 5.10.182-cip35 #1 # [ 53.714387] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 53.721286] RIP: 0010:data_area+0x0/0x40 # [ 53.725942] Code: ff ff 00 15 c2 c4 09 93 ff ff 00 14 c2 c4 09 93 ff ff 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 # [ 53.747167] RSP: 0018:ffffa6d6c1fb7e48 EFLAGS: 00010246 # [ 53.753285] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 53.761533] RDX: 0000000000000000 RSI: ffff930a3bc9bf70 RDI: ffff930a3bc9bf70 # [ 53.769778] RBP: ffffffff8500ebe0 R08: 0000000000000000 R09: 0000000000000000 # [ 53.778025] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 53.786269] R13: ffffa6d6c1fb7f10 R14: ffffa6d6c1fb7f10 R15: ffff9309c3dde000 # [ 53.794519] FS: 00007f1100d08580(0000) GS:ffff930a3bc80000(0000) knlGS:0000000000000000 # [ 53.803828] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 53.810522] CR2: ffffffff8500ebe0 CR3: 0000000105b1c000 CR4: 00000000003506e0 # [ 53.818769] Call Trace: # [ 53.821800] ? __die_body.cold+0x1a/0x1f # [ 53.826471] ? no_context+0x177/0x380 # [ 53.830851] ? exc_page_fault+0xd7/0x170 # [ 53.835520] ? asm_exc_page_fault+0x1e/0x30 # [ 53.840491] ? execute_location+0x48/0x56 # [ 53.845256] ? direct_entry.cold+0x2c/0x38 # [ 53.850128] ? full_proxy_write+0x56/0x80 # [ 53.854899] ? vfs_write+0xea/0x3b0 # [ 53.859083] ? ksys_write+0x68/0xf0 # [ 53.863269] ? do_syscall_64+0x33/0x40 # [ 53.867743] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 53.873871] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_usbpd_charger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_max98357a snd_soc_core cros_us<6>[ 54.518641] lkdtm: Performing direct entry EXEC_STACK bpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chr<6>[ 54.525605] lkdtm: attempting ok execution at ffffffff82179910 omeos_pstore coreboot_table # [ 53.913872] CR2: ffffffff8500e<6>[ 54.538658] lkdtm: attempting bad execution at ffffa6d6c2047e18 be0 # [ 53.917862] ---[ end trace bf7d0a621a4c6665 ]--- # [ <2>[ 54.551819] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) <1>[ 54.566564] BUG: unable to handle page fault for address: ffffa6d6c2047e18 <1>[ 54.574526] #PF: supervisor instruction fetch in kernel mode <1>[ 54.581130] #PF: error_code(0x0011) - permissions violation <6>[ 54.587634] PGD 100000067 P4D 100000067 PUD 100231067 PMD 102792067 PTE 8000000104681063 <4>[ 54.596962] Oops: 0011 [#6] SMP PTI <4>[ 54.601141] CPU: 3 PID: 1577 Comm: cat Tainted: G D W 5.10.182-cip35 #1 <4>[ 54.610064] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 54.616966] RIP: 0010:0xffffa6d6c2047e18 <4>[ 54.621638] Code: 00 00 18 7e 04 c2 d6 a6 ff ff 54 d6 80 82 ff ff ff ff 20 00 00 00 00 00 00 00 1e 8f 5f 83 ff ff ff ff 80 d7 80 82 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>[ 54.642896] RSP: 0018:ffffa6d6c2047df8 EFLAGS: 00010246 <4>[ 54.649028] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 54.657284] RDX: 0000000000000000 RSI: ffff930a3bd9bf70 RDI: ffff930a3bd9bf70 <4>[ 54.665534] RBP: ffffa6d6c2047e18 R08: 0000000000000000 R09: 0000000000000000 <4>[ 54.673778] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b <4>[ 54.682022] R13: ffffa6d6c2047f10 R14: ffffa6d6c2047f10 R15: ffff9309c3cf8000 <4>[ 54.690271] FS: 00007f1fb3b12580(0000) GS:ffff930a3bd80000(0000) knlGS:0000000000000000 <4>[ 54.699595] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 54.706300] CR2: ffffa6d6c2047e18 CR3: 0000000105b1c000 CR4: 00000000003506e0 <4>[ 54.714551] Call Trace: <4>[ 54.717583] ? __die_body.cold+0x1a/0x1f <4>[ 54.722259] ? no_context+0x177/0x380 <4>[ 54.726648] ? exc_page_fault+0xd7/0x170 <4>[ 54.731318] ? asm_exc_page_fault+0x1e/0x30 <4>[ 54.736295] ? execute_location+0x48/0x56 <4>[ 54.741068] ? lkdtm_EXEC_STACK+0x26/0x44 <4>[ 54.745841] ? direct_entry.cold+0x2c/0x38 <4>[ 54.750712] ? full_proxy_write+0x56/0x80 <4>[ 54.755478] ? vfs_write+0xea/0x3b0 <4>[ 54.759660] ? ksys_write+0x68/0xf0 <4>[ 54.763853] ? do_syscall_64+0x33/0x40 <4>[ 54.768333] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 54.774472] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_usbpd_charger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table <4>[ 54.814551] CR2: ffffa6d6c2047e18 <4>[ 54.818532] ---[ end trace bf7d0a621a4c6666 ]--- <4>[ 54.823983] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 54.828651] Code: 89 ff e8 3e e6 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 50 56 e9 02 <4>[ 54.849899] RSP: 0018:ffffa6d6c1257e60 EFLAGS: 00010282 <4>[ 54.856019] RAX: ffffffff82179540 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 54.864264] RDX: 0000000000000000 RSI: ffff930a3bd1bf70 RDI: ffffffff8317e850 <4>[ 54.872513] RBP: ffffffff8365d410 R08: 0000000000000001 R09: 0000000000000001 <4>[ 54.880769] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 54.889025] R13: ffffa6d6c1257f10 R14: ffffa6d6c1257f10 R15: ffff9309c4524000 <4>[ 54.897283] FS: 00007f1fb3b12580(0000) GS:ffff930a3bd80000(0000) knlGS:0000000000000000 <4>[ 54.906609] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 54.913317] CR2: ffffa6d6c2047e18 CR3: 0000000105b1c000 CR4: 00000000003506e0 53.923305] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 53.927969] Code: 89 ff e8 3e e6 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 50 56 e9 02 # [ 53.949192] RSP: 0018:ffffa6d6c1257e60 EFLAGS: 00010282 # [ 53.955308] RAX: ffffffff82179540 RBX: 0000000000000001 RCX: 0000000000000000 # [ 53.963552] RDX: 0000000000000000 RSI: ffff930a3bd1bf70 RDI: ffffffff8317e850 # [ 53.971797] RBP: ffffffff8365d410 R08: 0000000000000001 R09: 0000000000000001 # [ 53.980038] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 53.988284] R13: ffffa6d6c1257f10 R14: ffffa6d6c1257f10 R15: ffff9309c4524000 # [ 53.996527] FS: 00007f1100d08580(0000) GS:ffff930a3bc80000(0000) knlGS:0000000000000000 # [ 54.005836] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 54.012528] CR2: ffffffff8500ebe0 CR3: 0000000105b1c000 CR4: 00000000003506e0 # [ 54.020779] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 54.030963] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1541, name: cat # [ 54.039690] INFO: lockdep is turned off. # [ 54.044350] irq event stamp: 0 # [ 54.048046] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 54.055323] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 54.064734] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 54.074140] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 54.081419] CPU: 1 PID: 1541 Comm: cat Tainted: G D W 5.10.182-cip35 #1 # [ 54.090344] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 54.097237] Call Trace: # [ 54.100259] dump_stack+0x77/0x9b # [ 54.104250] ___might_sleep.cold+0xa6/0xb6 # [ 54.109117] exit_signals+0x1c/0x300 # [ 54.113394] do_exit+0xc2/0xab0 # [ 54.117191] ? ksys_write+0x68/0xf0 # [ 54.121372] make_task_dead+0x2f/0x30 # [ 54.125746] rewind_stack_and_make_dead+0x17/0x20 # [ 54.131272] RIP: 0033:0x7f1100c1e473 # [ 54.135549] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 54.156775] RSP: 002b:00007fff4a1d61c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 54.165507] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f1100c1e473 # [ 54.173756] RDX: 000000000000000a RSI: 00007f1100b12000 RDI: 0000000000000001 # [ 54.182004] RBP: 00007f1100b12000 R08: 00007f1100b11010 R09: 0000000000000000 # [ 54.190252] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 54.198498] 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 # [ 54.518641] lkdtm: Performing direct entry EXEC_STACK # [ 54.525605] lkdtm: attempting ok execution at ffffffff82179910 # [ 54.538658] lkdtm: attempting bad execution at ffffa6d6c2047e18 # [ 54.551819] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 54.566564] BUG: unable to handle page fault for address: ffffa6d6c2047e18 # [ 54.574526] #PF: supervisor instruction fetch in kernel mode # [ 54.581130] #PF: <6>[ 55.252004] lkdtm: Performing direct entry EXEC_KMALLOC <6>[ 55.263029] lkdtm: attempting ok execution at ffffffff82179910 <6>[ 55.269868] lkdtm: attempting bad execution at ffff9309c59f3940 error_code(0x0011) - permissions violation # [ 54.587634] PGD<2>[ 55.276828] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) <1>[ 55.291613] BUG: unable to handle page fault for address: ffff9309c59f3940 <1>[ 55.299579] #PF: supervisor instruction fetch in kernel mode <1>[ 55.306183] #PF: error_code(0x0011) - permissions violation 100000067 P4D 100000067 PUD 100231067 PMD 102792067 PTE 8000000<6>[ 55.312687] PGD 77e01067 P4D 77e01067 PUD 100875063 PMD 10005c063 PTE 80000001059f3063 <4>[ 55.328011] Oops: 0011 [#7] SMP PTI <1044681063 # [ 54.596962] Oops: 0011 [#6] SMP PTI # [ 54.6>[ 55.332197] CPU: 2 PID: 1613 Comm: cat Tainted: G D W 5.10.182-cip35 #1 <4>[ 55.347239] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 55.354138] RIP: 0010:0xffff9309c59f3940 <4>[ 55.358807] Code: 00 00 02 00 00 00 00 00 00 00 00 36 9f c5 09 93 ff ff 04 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fb ef 6f 81 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>[ 55.380039] RSP: 0018:ffffa6d6c20c7e38 EFLAGS: 00010246 <4>[ 55.386148] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 55.394404] RDX: 0000000000000000 RSI: ffff930a3bd1bf70 RDI: ffff930a3bd1bf70 <4>[ 55.402656] RBP: ffff9309c59f3940 R08: 0000000000000000 R09: 0000000000000000 <4>[ 55.410897] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d <4>[ 55.419139] R13: ffffa6d6c20c7f10 R14: ffffa6d6c20c7f10 R15: ffff9309c33a8000 <4>[ 55.427380] FS: 00007f8561ce3580(0000) GS:ffff930a3bd00000(0000) knlGS:0000000000000000 <4>[ 55.436697] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 55.443394] CR2: ffff9309c59f3940 CR3: 0000000102b38000 CR4: 00000000003506e0 <4>[ 55.451639] Call Trace: <4>[ 55.454671] ? __die_body.cold+0x1a/0x1f <4>[ 55.459340] ? no_context+0x177/0x380 <4>[ 55.463726] ? exc_page_fault+0xd7/0x170 <4>[ 55.468399] ? asm_exc_page_fault+0x1e/0x30 <4>[ 55.473369] ? execute_location+0x48/0x56 <4>[ 55.478129] ? lkdtm_EXEC_KMALLOC+0x2c/0x40 <4>[ 55.483090] ? direct_entry.cold+0x2c/0x38 <4>[ 55.487955] ? full_proxy_write+0x56/0x80 <4>[ 55.492720] ? vfs_write+0xea/0x3b0 <4>[ 55.496904] ? ksys_write+0x68/0xf0 <4>[ 55.501090] ? do_syscall_64+0x33/0x40 <4>[ 55.505560] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 1141] CPU: 3 PID: 1577 Comm: cat Tainted: G D W 5.1<4>[ 55.511689] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_usbpd_charger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table <4>[ 55.557892] CR2: ffff9309c59f3940 <4>[ 55.561880] ---[ end trace bf7d0a621a4c6667 ]--- <4>[ 55.567322] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 55.571993] Code: 89 ff e8 3e e6 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 50 56 e9 02 <4>[ 55.593252] RSP: 0018:ffffa6d6c1257e60 EFLAGS: 00010282 <4>[ 55.599369] RAX: ffffffff82179540 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 55.607618] RDX: 0000000000000000 RSI: ffff930a3bd1bf70 RDI: ffffffff8317e850 <4>[ 55.615871] RBP: ffffffff8365d410 R08: 0000000000000001 R09: 0000000000000001 <4>[ 55.624128] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 55.632378] R13: ffffa6d6c1257f10 R14: ffffa6d6c1257f10 R15: ffff9309c4524000 <4>[ 55.640629] FS: 00007f8561ce3580(0000) GS:ffff930a3bd00000(0000) knlGS:0000000000000000 <4>[ 55.649954] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 55.656658] CR2: ffff9309c59f3940 CR3: 0000000102b38000 CR4: 00000000003506e0 <3>[ 55.664915] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 55.675106] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1613, name: cat <4>[ 55.683832] INFO: lockdep is turned off. <4>[ 55.688495] irq event stamp: 0 <4>[ 55.692194] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 55.699483] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 <4>[ 55.708910] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 <4>[ 55.718330] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 55.725610] CPU: 2 PID: 1613 Comm: cat Tainted: G D W 5.10.182-cip35 #1 <4>[ 55.734545] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 55.741439] Call Trace: <4>[ 55.744465] dump_stack+0x77/0x9b <4>[ 55.748462] ___might_sleep.cold+0xa6/0xb6 <4>[ 55.753336] exit_signals+0x1c/0x300 <4>[ 55.757618] do_exit+0xc2/0xab0 <4>[ 55.761417] ? ksys_write+0x68/0xf0 <4>[ 55.765607] make_task_dead+0x2f/0x30 <4>[ 55.769994] rewind_stack_and_make_dead+0x17/0x20 <4>[ 55.775541] RIP: 0033:0x7f8561bf9473 <4>[ 55.779829] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 55.801082] RSP: 002b:00007fff004e15b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 55.809823] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007f8561bf9473 <4>[ 55.818085] RDX: 000000000000000d RSI: 00007f8561aed000 RDI: 0000000000000001 <4>[ 55.826334] RBP: 00007f8561aed000 R08: 00007f8561aec010 R09: 0000000000000000 <4>[ 55.834583] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 55.842834] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 0.182-cip35 #1 # [ 54.610064] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 54.616966] RIP: 0010:0xffffa6d6c2047e18 # [ 54.621638] Code: 00 00 18 7e 04 c2 d6 a6 ff ff 54 d6 80 82 ff ff ff ff 20 00 00 00 00 00 00 00 1e 8f 5f 83 ff ff ff ff 80 d7 80 82 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 # [ 54.642896] RSP: 0018:ffffa6d6c2047df8 EFLAGS: 00010246 # [ 54.649028] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 54.657284] RDX: 0000000000000000 RSI: ffff930a3bd9bf70 RDI: ffff930a3bd9bf70 # [ 54.665534] RBP: ffffa6d6c2047e18 R08: 0000000000000000 R09: 0000000000000000 # [ 54.673778] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b # [ 54.682022] R13: ffffa6d6c2047f10 R14: ffffa6d6c2047f10 R15: ffff9309c3cf8000 # [ 54.690271] FS: 00007f1fb3b12580(0000) GS:ffff930a3bd80000(0000) knlGS:0000000000000000 # [ 54.699595] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 54.706300] CR2: ffffa6d6c2047e18 CR3: 0000000105b1c000 CR4: 00000000003506e0 # [ 54.714551] Call Trace: # [ 54.717583] ? __die_body.cold+0x1a/0x1f # [ 54.722259] ? no_context+0x177/0x380 # [ 54.726648] ? exc_page_fault+0xd7/0x170 # [ 54.731318] ? asm_exc_page_fault+0x1e/0x30 # [ 54.736295] ? execute_location+0x48/0x56 # [ 54.741068] ? lkdtm_EXEC_STACK+0x26/0x44 # [ 54.745841] ? direct_entry.cold+0x2c/0x38 # [ 54.750712] ? full_proxy_write+0x56/0x80 # [ 54.755478] ? vfs_write+0xea/0x3b0 # [ 54.759660] ? ksys_write+0x68/0xf0 # [ 54.763853] ? do_syscall_64+0x33/0x40 # [ 54.768333] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 54.774472] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_usbpd_charger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 54.814551] CR2: ffffa6d6c2047e18 # [ 54.818532] ---[ end trace bf7d0a621a4c6666 ]--- # [ 54.823983] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 54.828651] Code: 89 ff e8 3e e6 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 50 56 e9 02 # [ 54.849899] RSP: 0018:ffffa6d6c1257e60 EFLAGS: 00010282 # [ 54.856019] RAX: ffffffff82179540 RBX: 0000000000000001 RCX: 0000000000000000 # [ 54.864264] RDX: 0000000000000000 RSI: ffff930a3bd1bf70 RDI: ffffffff8317e850 # [ 54.872513] RBP: ffffffff8365d410 R08: 0000000000000001 R09: 0000000000000001 # [ 54.880769] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 54.889025] R13: ffffa6d6c1257f10 R14: ffffa6d6c1257f10 R15: ffff9309c4524000 # [ 54.897283] FS: 00007f1fb3b12580(0000) GS:ffff930a3bd80000(0000) knlGS:0000000000000000 # [ 54.906609] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 54.913317] CR2: ffffa6d6c2047e18 CR3: 0000000105b1c000 CR4: 00000000003506e0 # EXEC_STACK: saw 'call trace:': ok ok 31 selftests: lkdtm: EXEC_STACK.sh # selftests: lkdtm: EXEC_KMALLOC.sh # Killed # [ 55.252004] lkdtm: Performing direct entry EXEC_KMALLOC # [ 55.263029] lkdtm: attempting ok execution at ffffffff82179910 # [ 55.269868] lkdtm: attempting bad execution at ffff9309c59f3940 # [ 55.276828] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 55.291613] BUG: unable to handle page fault for address: ffff9309c59f3940 # [ 55.299579] #PF: supervisor inst<6>[ 56.205555] lkdtm: Performing direct entry EXEC_VMALLOC <6>[ 56.217071] lkdtm: attempting ok execution at ffffffff82179910 <6>[ 56.223904] lkdtm: attempting bad execution at ffffa6d6c0361000 <2>[ 56.230833] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) <1>[ 56.239472] BUG: unable to handle page fault for address: ffffa6d6c0361000 <1>[ 56.247432] #PF: supervisor instruction fetch in kernel mode <1>[ 56.254030] #PF: error_code(0x0011) - permissions violation <6>[ 56.260536] PGD 100000067 P4D 100000067 PUD 100231067 PMD 100958067 PTE 8000000105be0063 <4>[ 56.269875] Oops: 0011 [#8] SMP PTI <4>[ 56.274061] CPU: 2 PID: 1649 Comm: cat Tainted: G D W 5.10.182-cip35 #1 <4>[ 56.282990] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 56.289888] RIP: 0010:0xffffa6d6c0361000 <4>[ 56.294555] Code: Unable to access opcode bytes at RIP 0xffffa6d6c0360fd6. <4>[ 56.302509] RSP: 0018:ffffa6d6c214fe38 EFLAGS: 00010246 <4>[ 56.308628] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 56.316873] RDX: 0000000000000000 RSI: ffff930a3bd1bf70 RDI: ffff930a3bd1bf70 <4>[ 56.325120] RBP: ffffa6d6c0361000 R08: 0000000000000000 R09: 0000000000000000 <4>[ 56.333363] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d <4>[ 56.341610] R13: ffffa6d6c214ff10 R14: ffffa6d6c214ff10 R15: ffff9309c5be0000 <4>[ 56.349858] FS: 00007f9cb54a3580(0000) GS:ffff930a3bd00000(0000) knlGS:0000000000000000 <4>[ 56.359175] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 56.365873] CR2: ffffa6d6c0360fd6 CR3: 0000000105ea2000 CR4: 00000000003506e0 <4>[ 56.374122] Call Trace: <4>[ 56.377150] ? __die_body.cold+0x1a/0x1f <4>[ 56.381820] ? no_context+0x177/0x380 <4>[ 56.386202] ? exc_page_fault+0xd7/0x170 <4>[ 56.390870] ? asm_exc_page_fault+0x1e/0x30 <4>[ 56.395837] ? execute_location+0x48/0x56 <4>[ 56.400600] ? lkdtm_EXEC_VMALLOC+0x20/0x30 <4>[ 56.405557] ? direct_entry.cold+0x2c/0x38 <4>[ 56.410421] ? full_proxy_write+0x56/0x80 <4>[ 56.415187] ? vfs_write+0xea/0x3b0 <4>[ 56.419370] ? ksys_write+0x68/0xf0 <4>[ 56.423554] ? do_syscall_64+0x33/0x40 <4>[ 56.428034] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 ruction fetch in kernel mode # [ 55.306183] #PF: error_code(0<4>[ 56.434163] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_usbpd_charger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table <4>[ 56.480367] CR2: ffffa6d6c0361000 <4>[ 56.484358] ---[ end trace bf7d0a621a4c6668 ]--- <4>[ 56.489788] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 56.494443] Code: 89 ff e8 3e e6 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 50 56 e9 02 <4>[ 56.515663] RSP: 0018:ffffa6d6c1257e60 EFLAGS: 00010282 <4>[ 56.521780] RAX: ffffffff82179540 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 56.530026] RDX: 0000000000000000 RSI: ffff930a3bd1bf70 RDI: ffffffff8317e850 <4>[ 56.538274] RBP: ffffffff8365d410 R08: 0000000000000001 R09: 0000000000000001 <4>[ 56.546528] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 56.554782] R13: ffffa6d6c1257f10 R14: ffffa6d6c1257f10 R15: ffff9309c4524000 <4>[ 56.563042] FS: 00007f9cb54a3580(0000) GS:ffff930a3bd00000(0000) knlGS:0000000000000000 <4>[ 56.572357] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 56.579053] CR2: ffffa6d6c0360fd6 CR3: 0000000105ea2000 CR4: 00000000003506e0 <3>[ 56.587299] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 56.597493] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1649, name: cat <4>[ 56.606221] INFO: lockdep is turned off. <4>[ 56.610883] irq event stamp: 0 <4>[ 56.614578] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 56.621856] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 <4>[ 56.631274] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 <4>[ 56.640701] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 56.647988] CPU: 2 PID: 1649 Comm: cat Tainted: G D W 5.10.182-cip35 #1 <4>[ 56.656928] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 56.663824] Call Trace: <4>[ 56.666853] dump_stack+0x77/0x9b <4>[ 56.670851] ___might_sleep.cold+0xa6/0xb6 <4>[ 56.675725] exit_signals+0x1c/0x300 <4>[ 56.680008] do_exit+0xc2/0xab0 <4>[ 56.683804] ? ksys_write+0x68/0xf0 <4>[ 56.687993] make_task_dead+0x2f/0x30 <4>[ 56.692375] rewind_stack_and_make_dead+0x17/0x20 <4>[ 56.697919] RIP: 0033:0x7f9cb53b9473 <4>[ 56.702204] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 56.723463] RSP: 002b:00007ffde248ca18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 56.732215] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007f9cb53b9473 <4>[ 56.740480] RDX: 000000000000000d RSI: 00007f9cb52ad000 RDI: 0000000000000001 <4>[ 56.748740] RBP: 00007f9cb52ad000 R08: 00007f9cb52ac010 R09: 0000000000000000 <4>[ 56.756997] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 56.765258] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 x0011) - permissions violation # [ 55.312687] PGD 77e01067 P4D 77e01067 PUD 100875063 PMD 10005c063 PTE 80000001059f3063 # [ 55.328011] Oops: 0011 [#7] SMP PTI # [ 55.332197] CPU: 2 PID: 1613 Comm: cat Tainted: G D W 5.10.182-cip35 #1 # [ 55.347239] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 55.354138] RIP: 0010:0xffff9309c59f3940 # [ 55.358807] Code: 00 00 02 00 00 00 00 00 00 00 00 36 9f c5 09 93 ff ff 04 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fb ef 6f 81 ff ff ff ff <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 # [ 55.380039] RSP: 0018:ffffa6d6c20c7e38 EFLAGS: 00010246 # [ 55.386148] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 55.394404] RDX: 0000000000000000 RSI: ffff930a3bd1bf70 RDI: ffff930a3bd1bf70 # [ 55.402656] RBP: ffff9309c59f3940 R08: 0000000000000000 R09: 0000000000000000 # [ 55.410897] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d # [ 55.419139] R13: ffffa6d6c20c7f10 R14: ffffa6d6c20c7f10 R15: ffff9309c33a8000 # [ 55.427380] FS: 00007f8561ce3580(0000) GS:ffff930a3bd00000(0000) knlGS:0000000000000000 # [ 55.436697] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 55.443394] CR2: ffff9309c59f3940 CR3: 0000000102b38000 CR4: 00000000003506e0 # [ 55.451639] Call Trace: # [ 55.454671] ? __die_body.cold+0x1a/0x1f # [ 55.459340] ? no_context+0x177/0x380 # [ 55.463726] ? exc_page_fault+0xd7/0x170 # [ 55.468399] ? asm_exc_page_fault+0x1e/0x30 # [ 55.473369] ? execute_location+0x48/0x56 # [ 55.478129] ? lkdtm_EXEC_KMALLOC+0x2c/0x40 # [ 55.483090] ? direct_entry.cold+0x2c/0x38 # [ 55.487955] ? full_proxy_write+0x56/0x80 # [ 55.492720] ? vfs_write+0xea/0x3b0 # [ 55.496904] ? ksys_write+0x68/0xf0 # [ 55.501090] ? do_syscall_64+0x33/0x40 # [ 55.505560] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 55.511689] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_usbpd_charger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 55.557892] CR2: ffff9309c59f3940 # [ 55.561880] ---[ end trace bf7d0a621a4c6667 ]--- # [ 55.567322] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 55.571993] Code: 89 ff e8 3e e6 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 50 56 e9 02 # [ 55.593252] RSP: 0018:ffffa6d6c1257e60 EFLAGS: 00010282 # [ 55.599369] RAX: ffffffff82179540 RBX: 0000000000000001 RCX: 0000000000000000 # [ 55.607618] RDX: 0000000000000000 RSI: ffff930a3bd1bf70 RDI: ffffffff8317e850 # [ 55.615871] RBP: ffffffff8365d410 R08: 0000000000000001 R09: 0000000000000001 # [ 55.624128] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 55.632378] R13: ffffa6d6c1257f10 R14: ffffa6d6c1257f10 R15: ffff9309c4524000 # [ 55.640629] FS: 00007f8561ce3580(0000) GS:ffff930a3bd00000(0000) knlGS:0000000000000000 # [ 55.649954] CS: 0010 DS: 0000 ES: 0000 CR0: 0000<6>[ 57.093190] lkdtm: Performing direct entry EXEC_RODATA <6>[ 57.102409] lkdtm: attempting ok execution at ffffffff82179910 <6>[ 57.109230] lkdtm: attempting bad execution at ffffffff8317ece0 00<0080050033 # [ 55.656658] CR2: ffff9309c59f3940 CR3: 0000002>[ 57.116176] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) <1>[ 57.131021] BUG: unable to handle page fault for address: ffffffff8317ece0 <1>[ 57.138970] #PF: supervisor instruction fetch in kernel mode <1>[ 57.145567] #PF: error_code(0x0011) - permissions violation <6>[ 57.152067] PGD 76429067 P4D 76429067 PUD 7642a063 PMD 8000000075c001e1 <4>[ 57.159846] Oops: 0011 [#9] SMP PTI <40102b38000 CR4: 00000000003506e0 # [ 55.664915] BUG: sleepin>[ 57.164028] CPU: 2 PID: 1685 Comm: cat Tainted: G D W 5.10.182-cip35 #1 <4>[ 57.179057] Hardware name: Google Coral/Coral, BIOS 09/29/2020 f[ 57.185953] RIP: 0010:lkdtm_rodata_do_nothing+0x0/0x10 <4>[ 57.198174] Code: ff ff f0 eb 80 82 ff ff ff ff 6a 91 5f 83 ff ff ff ff 36 d3 80 82 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>[ 57.219421] RSP: 0018:ffffa6d6c21efe48 EFLAGS: 00010246 <4>[ 57.225547] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 <4>[ 57.233801] RDX: 0000000000000000 RSI: ffff930a3bd1bf70 RDI: ffff930a3bd1bf70 <4>[ 57.242060] RBP: ffffffff8317ece0 R08: 0000000000000000 R09: 0000000000000000 <4>[ 57.250320] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c <4>[ 57.258581] R13: ffffa6d6c21eff10 R14: ffffa6d6c21eff10 R15: ffff9309c5cc3000 <4>[ 57.266840] FS: 00007ff6d82b4580(0000) GS:ffff930a3bd00000(0000) knlGS:0000000000000000 <4>[ 57.276168] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 57.282872] CR2: ffffffff8317ece0 CR3: 0000000103e12000 CR4: 00000000003506e0 <4>[ 57.291127] Call Trace: <4>[ 57.294161] ? __die_body.cold+0x1a/0x1f <4>[ 57.298840] ? no_context+0x177/0x380 <4>[ 57.303231] ? exc_page_fault+0xd7/0x170 <4>[ 57.307908] ? asm_exc_page_fault+0x1e/0x30 <4>[ 57.312891] ? execute_location+0x48/0x56 <4>[ 57.317662] ? direct_entry.cold+0x2c/0x38 <4>[ 57.322530] ? full_proxy_write+0x56/0x80 <4>[ 57.327300] ? vfs_write+0xea/0x3b0 <4>[ 57.331484] ? ksys_write+0x68/0xf0 <4>[ 57.335672] ? do_syscall_64+0x33/0x40 <4>[ 57.340151] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 sem.h:49 # [ 55.675106] in_atomic(): 0, irqs_disabled(): 1, n<4>[ 57.346278] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_usbpd_charger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table <4>[ 57.392473] CR2: ffffffff8317ece0 <4>[ 57.396453] ---[ end trace bf7d0a621a4c6669 ]--- <4>[ 57.401901] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 57.406571] Code: 89 ff e8 3e e6 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 50 56 e9 02 <4>[ 57.427815] RSP: 0018:ffffa6d6c1257e60 EFLAGS: 00010282 <4>[ 57.433922] RAX: ffffffff82179540 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 57.442167] RDX: 0000000000000000 RSI: ffff930a3bd1bf70 RDI: ffffffff8317e850 <4>[ 57.450409] RBP: ffffffff8365d410 R08: 0000000000000001 R09: 0000000000000001 <4>[ 57.458654] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 57.466895] R13: ffffa6d6c1257f10 R14: ffffa6d6c1257f10 R15: ffff9309c4524000 <4>[ 57.475141] FS: 00007ff6d82b4580(0000) GS:ffff930a3bd00000(0000) knlGS:0000000000000000 <4>[ 57.484453] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 57.491151] CR2: ffffffff8317ece0 CR3: 0000000103e12000 CR4: 00000000003506e0 on_block: 0, pid: 1613, name: cat # [ 55.683832] INFO: lockdep is turned off. # [ 55.688495] irq event stamp: 0 # [ 55.692194] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 55.699483] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 55.708910] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 55.718330] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 55.725610] CPU: 2 PID: 1613 Comm: cat Tainted: G D W 5.10.182-cip35 #1 # [ 55.734545] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 55.741439] Call Trace: # [ 55.744465] dump_stack+0x77/0x9b # [ 55.748462] ___might_sleep.cold+0xa6/0xb6 # [ 55.753336] exit_signals+0x1c/0x300 # [ 55.757618] do_exit+0xc2/0xab0 # [ 55.761417] ? ksys_write+0x68/0xf0 # [ 55.765607] make_task_dead+0x2f/0x30 # [ 55.769994] rewind_stack_and_make_dead+0x17/0x20 # [ 55.775541] RIP: 0033:0x7f8561bf9473 # [ 55.779829] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 55.801082] RSP: 002b:00007fff004e15b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 55.809823] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007f8561bf9473 # [ 55.818085] RDX: 000000000000000d RSI: 00007f8561aed000 RDI: 0000000000000001 # [ 55.826334] RBP: 00007f8561aed000 R08: 00007f8561aec010 R09: 0000000000000000 # [ 55.834583] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 55.842834] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # EXEC_KMALLOC: saw 'call trace:': ok ok 32 selftests: lkdtm: EXEC_KMALLOC.sh # selftests: lkdtm: EXEC_VMALLOC.sh # Killed # [ 56.205555] lkdtm: Performing direct entry EXEC_VMALLOC # [ 56.217071] lkdtm: attempting ok execution at ffffffff82179910 # [ 56.223904] lkdtm: attempting bad execution at ffffa6d6c0361000 # [ 56.230833] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 56.239472] BUG: unable to handle page fault for address: ffffa6d6c0361000 # [ 56.247432] #PF: supervisor instruction fetch in kernel mode # [ 56.254030] #PF: error_code(0x0011) - permissions violation # [ 56.260536] PGD 100000067 P4D 100000067 PUD 100231067 PMD 100958067 PTE 8000000105be0063 # [ 56.269875] Oops: 0011 [#8] SMP PTI # [ 56.274061] CPU: 2 PID: 1649 Comm: cat Tainted: G D W 5.10.182-cip35 #1 # [ 56.282990] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 56.289888] RIP: 0010:0xffffa6d6c0361000 # [ 56.294555] Code: Unable to access opcode bytes at RIP 0xffffa6d6c0360fd6. # [ 56.302509] RSP: 0018:ffffa6d6c214fe38 EFLAGS: 00010246 # [ 56.308628] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 56.316873] RDX: 0000000000000000 RSI: ffff930a3bd1bf70 RDI: ffff930a3bd1bf70 # [ 56.325120] RBP: ffffa6d6c0361000 R08: 0000000000000000 R09: 0000000000000000 # [ 56.333363] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d # [ 56.34161<6>[ 57.804276] lkdtm: Performing direct entry EXEC_USERSPACE 0] R13: ffffa6d6c214ff10 R14: ffffa6d6c214ff10 R15: ffff9309c5be<6>[ 57.816211] lkdtm: attempting ok execution at ffffffff82179910 0000 # [ 56.349858] FS: 00007f9cb54a3580(0000) GS:ffff930a3b<6>[ 57.829289] lkdtm: attempting bad execution at 00007f73ae1aa000 <2>[ 57.842421] unable to execute userspace code (SMEP?) (uid: 0) <1>[ 57.849124] BUG: unable to handle page fault for address: 00007f73ae1aa000 <1>[ 57.857078] #PF: supervisor instruction fetch in kernel mode <1>[ 57.863676] #PF: error_code(0x0011) - permissions violation <6>[ 57.870188] PGD 8000000104b5a067 P4D 8000000104b5a067 PUD 1045dd067 PMD 1069d6067 PTE 10b9a9067 <4>[ 57.880196] Oops: 0011 [#10] SMP PTI <4>[ 57.884474] CPU: 0 PID: 1721 Comm: cat Tainted: G D W 5.10.182-cip35 #1 <4>[ 57.893399] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 57.900300] RIP: 0010:0x7f73ae1aa000 <4>[ 57.904571] Code: Unable to access opcode bytes at RIP 0x7f73ae1a9fd6. <4>[ 57.912137] RSP: 0018:ffffa6d6c228fe50 EFLAGS: 00010246 d00000(0000) knlGS:0000000000000000 # [ 56.359175] CS: 0010 <4>[ 57.918253] RAX: 0000000000000033 RBX: 0000000000000024 RCX: 0000000000000000 <4>[ 57.932692] RDX: 0000000000000000 RSI: ffff930a3bc1bf70 RDI: ffff930a3bc1bf70 <4>[ 57.940940] RBP: 00007f73ae1aa000 R08: 0000000000000000 R09: 0000000000000000 <4>[ 57.949187] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000f <4>[ 57.957430] R13: ffffa6d6c228ff10 R14: ffffa6d6c228ff10 R15: ffff9309c5f8a000 <4>[ 57.965682] FS: 00007f73ae17b580(0000) GS:ffff930a3bc00000(0000) knlGS:0000000000000000 <4>[ 57.974998] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 57.981696] CR2: 00007f73ae1aa000 CR3: 0000000105c22000 CR4: 00000000003506f0 <4>[ 57.989946] Call Trace: <4>[ 57.992976] ? __die_body.cold+0x1a/0x1f <4>[ 57.997651] ? no_context+0x177/0x380 <4>[ 58.002035] ? exc_page_fault+0x53/0x170 <4>[ 58.006700] ? asm_exc_page_fault+0x1e/0x30 <4>[ 58.011669] ? lkdtm_EXEC_USERSPACE.cold+0x69/0xae <4>[ 58.017303] ? direct_entry.cold+0x2c/0x38 <4>[ 58.022155] ? full_proxy_write+0x56/0x80 <4>[ 58.026925] ? vfs_write+0xea/0x3b0 <4>[ 58.031110] ? ksys_write+0x68/0xf0 <4>[ 58.035304] ? do_syscall_64+0x33/0x40 <4>[ 58.039777] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 56.365873] CR2: f<4>[ 58.045892] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_usbpd_charger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table <4>[ 58.092127] CR2: 00007f73ae1aa000 <4>[ 58.096113] ---[ end trace bf7d0a621a4c666a ]--- <4>[ 58.101555] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 58.106218] Code: 89 ff e8 3e e6 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 50 56 e9 02 <4>[ 58.127431] RSP: 0018:ffffa6d6c1257e60 EFLAGS: 00010282 <4>[ 58.133537] RAX: ffffffff82179540 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 58.141780] RDX: 0000000000000000 RSI: ffff930a3bd1bf70 RDI: ffffffff8317e850 <4>[ 58.150030] RBP: ffffffff8365d410 R08: 0000000000000001 R09: 0000000000000001 <4>[ 58.158290] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 58.166550] R13: ffffa6d6c1257f10 R14: ffffa6d6c1257f10 R15: ffff9309c4524000 <4>[ 58.174809] FS: 00007f73ae17b580(0000) GS:ffff930a3bc00000(0000) knlGS:0000000000000000 <4>[ 58.184133] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 58.190841] CR2: 00007f73ae1aa000 CR3: 0000000105c22000 CR4: 00000000003506f0 <3>[ 58.199098] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 58.209289] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1721, name: cat <4>[ 58.218031] INFO: lockdep is turned off. <4>[ 58.222697] irq event stamp: 0 <4>[ 58.226399] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 58.233686] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 <4>[ 58.243111] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 <4>[ 58.252525] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 58.259816] CPU: 0 PID: 1721 Comm: cat Tainted: G D W 5.10.182-cip35 #1 <4>[ 58.268758] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 58.275662] Call Trace: <4>[ 58.278692] dump_stack+0x77/0x9b <4>[ 58.282684] ___might_sleep.cold+0xa6/0xb6 <4>[ 58.287543] exit_signals+0x1c/0x300 <4>[ 58.291825] do_exit+0xc2/0xab0 <4>[ 58.295626] ? ksys_write+0x68/0xf0 <4>[ 58.299809] make_task_dead+0x2f/0x30 <4>[ 58.304193] rewind_stack_and_make_dead+0x17/0x20 <4>[ 58.309736] RIP: 0033:0x7f73ae091473 <4>[ 58.314017] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 58.335269] RSP: 002b:00007ffd67a3fd38 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 fffa6d6c0360fd6 CR3: 0000000105ea2000 CR4: 00000000003506e0 # [<4>[ 58.344005] RAX: ffffffffffffffda RBX: 000000000000000f RCX: 00007f73ae091473 <4>[ 58.358467] RDX: 000000000000000f RSI: 00007f73adf85000 RDI: 0000000000000001 <4>[ 58.366722] RBP: 00007f73adf85000 R08: 00007f73adf84010 R09: 0000000000000000 <4>[ 58.374981] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 58.383243] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 56.374122] Call Trace: # [ 56.377150] ? __die_body.cold+0x1a/0x1f # [ 56.381820] ? no_context+0x177/0x380 # [ 56.386202] ? exc_page_fault+0xd7/0x170 # [ 56.390870] ? asm_exc_page_fault+0x1e/0x30 # [ 56.395837] ? execute_location+0x48/0x56 # [ 56.400600] ? lkdtm_EXEC_VMALLOC+0x20/0x30 # [ 56.405557] ? direct_entry.cold+0x2c/0x38 # [ 56.410421] ? full_proxy_write+0x56/0x80 # [ 56.415187] ? vfs_write+0xea/0x3b0 # [ 56.419370] ? ksys_write+0x68/0xf0 # [ 56.423554] ? do_syscall_64+0x33/0x40 # [ 56.428034] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 56.434163] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_usbpd_charger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 56.480367] CR2: ffffa6d6c0361000 # [ 56.484358] ---[ end trace bf7d0a621a4c6668 ]--- # [ 56.489788] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 56.494443] Code: 89 ff e8 3e e6 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 50 56 e9 02 # [ 56.515663] RSP: 0018:ffffa6d6c1257e60 EFLAGS: 00010282 # [ 56.521780] RAX: ffffffff82179540 RBX: 0000000000000001 RCX: 0000000000000000 # [ 56.530026] RDX: 0000000000000000 RSI: ffff930a3bd1bf70 RDI: ffffffff8317e850 # [ 56.538274] RBP: ffffffff8365d410 R08: 0000000000000001 R09: 0000000000000001 # [ 56.546528] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 56.554782] R13: ffffa6d6c1257f10 R14: ffffa6d6c1257f10 R15: ffff9309c4524000 # [ 56.563042] FS: 00007f9cb54a3580(0000) GS:ffff930a3bd00000(0000) knlGS:0000000000000000 # [ 56.572357] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 56.579053] CR2: ffffa6d6c0360fd6 CR3: 0000000105ea2000 CR4: 00000000003506e0 # [ 56.587299] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 56.597493] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1649, name: cat # [ 56.606221] INFO: lockdep is turned off. # [ 56.610883] irq event stamp: 0 # [ 56.614578] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 56.621856] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 56.631274] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 56.640701] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 56.647988] CPU: 2 PID: 1649 Comm: cat Tainted: G D W 5.10.182-cip35 #1 # [ 56.656928] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 56.663824] Call Trace: # [ 56.666853] dump_stack+0x77/0x9b # [ 56.670851] ___might_sleep.cold+0xa6/0xb6 # [ 56.675725] exit_signals+0x1c/0x300 # [ 56.680008] do_exit+0xc2/0xab0 # [ 56.683804] ? ksys_write+0x68/0xf0 # [ 56.687993] make_task_dead+0x2f/0x30 # [ 56.692375] rewind_stack_and_make_dead+0x17/0x20 # [ 56.697919] RIP: 0033:0x7f9cb53b9473 # [ 56.702204] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 56.723463] RSP: 002b:00007ffde248ca18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 56.732215] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007f9cb53b9473 # [ 56.740480] RDX: 000000000000000d RSI: 00007f9cb52ad000 RDI: 0000000000000001 # [ 56.748740] RBP: 00007f9cb52ad00<6>[ 58.756370] lkdtm: Performing direct entry EXEC_NULL <6>[ 58.763500] lkdtm: attempting ok execution at ffffffff82179910 <6>[ 58.770320] lkdtm: attempting bad execution at 0000000000000000 <1>[ 58.777248] BUG: kernel NULL pointer dereference, address: 0000000000000000 <1>[ 58.785306] #PF: supervisor instruction fetch in kernel mode <1>[ 58.791896] #PF: error_code(0x0010) - not-present page <6>[ 58.797920] PGD 0 P4D 0 <4>[ 58.801042] Oops: 0010 [#11] SMP PTI <4>[ 58.805314] CPU: 2 PID: 1757 Comm: cat Tainted: G D W 5.10.182-cip35 #1 <4>[ 58.814242] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 58.821145] RIP: 0010:0x0 <4>[ 58.824367] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6. <4>[ 58.832320] RSP: 0018:ffffa6d6c230fe48 EFLAGS: 00010246 <4>[ 58.838434] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 <4>[ 58.846677] RDX: 0000000000000000 RSI: ffff930a3bd1bf70 RDI: ffff930a3bd1bf70 <4>[ 58.854922] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 <4>[ 58.863172] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a <4>[ 58.871412] R13: ffffa6d6c230ff10 R14: ffffa6d6c230ff10 R15: ffff9309c5ffd000 <4>[ 58.879658] FS: 00007fe8ea0f3580(0000) GS:ffff930a3bd00000(0000) knlGS:0000000000000000 <4>[ 58.888966] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 58.895664] CR2: ffffffffffffffd6 CR3: 0000000103d74000 CR4: 00000000003506e0 <4>[ 58.903922] Call Trace: <4>[ 58.906953] ? __die_body.cold+0x1a/0x1f <4>[ 58.911626] ? no_context+0x177/0x380 <4>[ 58.916006] ? exc_page_fault+0x53/0x170 <4>[ 58.920671] ? asm_exc_page_fault+0x1e/0x30 <4>[ 58.925639] execute_location+0x48/0x56 <4>[ 58.930210] direct_entry.cold+0x2c/0x38 <4>[ 58.934877] full_proxy_write+0x56/0x80 <0 4R08: 00007f9cb52ac010 R09: 0000000000000000 # [ 56.756997]>[ 58.939449] vfs_write+0xea/0x3b0 <4>[ 58.949545] ksys_write+0x68/0xf0 <4>[ 58.953537] do_syscall_64+0x33/0x40 <4>[ 58.957820] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 58.963745] RIP: 0033:0x7fe8ea009473 <4>[ 58.968015] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 58.989258] RSP: 002b:00007ffc14a28c48 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 58.997992] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fe8ea009473 <4>[ 59.006235] RDX: 000000000000000a RSI: 00007fe8e9efd000 RDI: 0000000000000001 <4>[ 59.014481] RBP: 00007fe8e9efd000 R08: 00007fe8e9efc010 R09: 0000000000000000 <4>[ 59.022737] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 59.030989] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 R10: fffffffffffffbc5 R11: 0000000000000246 R12: 000000000000000<4>[ 59.039249] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_usbpd_charger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table <4>[ 59.085485] CR2: 0000000000000000 <4>[ 59.089482] ---[ end trace bf7d0a621a4c666b ]--- <4>[ 59.094939] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 59.099612] Code: 89 ff e8 3e e6 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 50 56 e9 02 <4>[ 59.120873] RSP: 0018:ffffa6d6c1257e60 EFLAGS: 00010282 <4>[ 59.126996] RAX: ffffffff82179540 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 59.135252] RDX: 0000000000000000 RSI: ffff930a3bd1bf70 RDI: ffffffff8317e850 <4>[ 59.143517] RBP: ffffffff8365d410 R08: 0000000000000001 R09: 0000000000000001 <4>[ 59.151778] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 59.160036] R13: ffffa6d6c1257f10 R14: ffffa6d6c1257f10 R15: ffff9309c4524000 <4>[ 59.168292] FS: 00007fe8ea0f3580(0000) GS:ffff930a3bd00000(0000) knlGS:0000000000000000 <4>[ 59.177606] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 59.184308] CR2: ffffffffffffffd6 CR3: 0000000103d74000 CR4: 00000000003506e0 1 # [ 56.765258] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # EXEC_VMALLOC: saw 'call trace:': ok ok 33 selftests: lkdtm: EXEC_VMALLOC.sh # selftests: lkdtm: EXEC_RODATA.sh # Killed # [ 57.093190] lkdtm: Performing direct entry EXEC_RODATA # [ 57.102409] lkdtm: attempting ok execution at ffffffff82179910 # [ 57.109230] lkdtm: attempting bad execution at ffffffff8317ece0 # [ 57.116176] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 57.131021] BUG: unable to handle page fault for address: ffffffff8317ece0 # [ 57.138970] #PF: supervisor instruction fetch in kernel mode # [ 57.145567] #PF: error_code(0x0011) - permissions violation # [ 57.152067] PGD 76429067 P4D 76429067 PUD 7642a063 PMD 8000000075c001e1 # [ 57.159846] Oops: 0011 [#9] SMP PTI # [ 57.164028] CPU: 2 PID: 1685 Comm: cat Tainted: G D W 5.10.182-cip35 #1 # [ 57.179057] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 57.185953] RIP: 0010:lkdtm_rodata_do_nothing+0x0/0x10 # [ 57.198174] Code: ff ff f0 eb 80 82 ff ff ff ff 6a 91 5f 83 ff ff ff ff 36 d3 80 82 ff ff ff ff 55 aa 55 aa 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 54 68 69 73 20 69 # [ 57.219421] RSP: 0018:ffffa6d6c21efe48 EFLAGS: 00010246 # [ 57.225547] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 # [ 57.233801] RDX: 0000000000000000 RSI: ffff930a3bd1bf70 RDI: ffff930a3bd1bf70 # [ 57.242060] RBP: ffffffff8317ece0 R08: 0000000000000000 R09: 0000000000000000 # [ 57.250320] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c # [ 57.258581] R13: ffffa6d6c21eff10 R14: ffffa6d6c21eff10 R15: ffff9309c5cc3000 # [ 57.266840] FS: 00007ff6d82b4580(0000) GS:ffff930a3bd00000(0000) knlGS:0000000000000000 # [ 57.276168] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 57.282872] CR2: ffffffff8317ece0 CR3: 0000000103e12000 CR4: 00000000003506e0 # [ 57.291127] Call Trace: # [ 57.294161] ? __die_body.cold+0x1a/0x1f # [ 57.298840] ? no_context+0x177/0x380 # [ 57.303231] ? exc_page_fault+0xd7/0x170 # [ 57.307908] ? asm_exc_page_fault+0x1e/0x30 # [ 57.312891] ? execute_location+0x48/0x56 # [ 57.317662] ? direct_entry.cold+0x2c/0x38 # [ 57.322530] ? full_proxy_write+0x56/0x80 # [ 57.327300] ? vfs_write+0xea/0x3b0 # [ 57.331484] ? ksys_write+0x68/0xf0 # [ 57.335672] ? do_syscall_64+0x33/0x40 # [ 57.340151] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 57.346278] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_usbpd_charger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 57.392473] CR2: ffffffff8317ece0 # [ 57.396453] ---[ end trace bf7d0a621a4c6669 ]--- # [ 57.401901] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 57.406571] Code: 89 ff e8 3e e6 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff<6>[ 59.501625] lkdtm: Performing direct entry ACCESS_USERSPACE ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f<6>[ 59.509165] lkdtm: attempting bad read at 00007f6b7f85a000 > 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 50 56 e9 02<1>[ 59.521779] BUG: unable to handle page fault for address: 00007f6b7f85a000 <1>[ 59.535885] #PF: supervisor read access in kernel mode <1>[ 59.541901] #PF: error_code(0x0001) - permissions violation <6>[ 59.548402] PGD 8000000105e33067 P4D 8000000105e33067 PUD 102df9067 PMD 106a51067 PTE 10b748067 <4>[ 59.558410] Oops: 0001 [#12] SMP PTI <4>[ 59.562687] CPU: 3 PID: 1792 Comm: cat Tainted: G D W 5.10.182-cip35 #1 <4>[ 59.571606] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 59.578505] RIP: 0010:lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3 <4>[ 59.585010] Code: 00 00 00 75 64 48 83 c4 10 5d c3 cc cc cc cc 48 89 ee 48 c7 c7 88 9e 5f 83 e8 ef d7 fb ff 48 c7 c7 b0 9e 5f 83 b8 de c0 de c0 <48> 03 45 00 48 89 04 24 e8 d6 d7 fb ff 48 89 ee 48 c7 c7 d8 9e 5f <4>[ 59.606229] RSP: 0018:ffffa6d6c238fe48 EFLAGS: 00010246 <4>[ 59.612345] RAX: 00000000c0dec0de RBX: 0000000000000026 RCX: 0000000000000000 <4>[ 59.620590] RDX: 0000000000000000 RSI: ffff930a3bd9bf70 RDI: ffffffff835f9eb0 <4>[ 59.628834] RBP: 00007f6b7f85a000 R08: 0000000000000000 R09: 0000000000000000 <4>[ 59.637076] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000011 <4>[ 59.645320] R13: ffffa6d6c238ff10 R14: ffffa6d6c238ff10 R15: ffff9309c5199000 <4>[ 59.653562] FS: 00007f6b7f82b580(0000) GS:ffff930a3bd80000(0000) knlGS:0000000000000000 <4>[ 59.662870] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 59.669569] CR2: 00007f6b7f85a000 CR3: 000000010457c000 CR4: 00000000003506e0 <4>[ 59.677811] Call Trace: <4>[ 59.680843] ? __die_body.cold+0x1a/0x1f <4>[ 59.685515] ? no_context+0x177/0x380 <4>[ 59.689896] ? exc_page_fault+0x53/0x170 <4>[ 59.694563] ? asm_exc_page_fault+0x1e/0x30 <4>[ 59.699528] ? lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3 <4>[ 59.705354] ? lkdtm_ACCESS_USERSPACE.cold+0x35/0xa3 <4>[ 59.711177] direct_entry.cold+0x2c/0x38 <4>[ 59.715844] full_proxy_write+0x56/0x80 <4>[ 59.720413] vfs_write+0xea/0x3b0 <4>[ 59.724400] ksys_write+0x68/0xf0 <4>[ 59.728395] do_syscall_64+0x33/0x40 <4>[ 59.732672] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 59.738591] RIP: 0033:0x7f6b7f741473 <4>[ 59.742870] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 59.764081] RSP: 002b:00007ffd2a9b1c38 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 59.772811] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007f6b7f741473 <4>[ 59.781055] RDX: 0000000000000011 RSI: 00007f6b7f635000 RDI: 0000000000000001 <4>[ 59.789300] RBP: 00007f6b7f635000 R08: 00007f6b7f634010 R09: 0000000000000000 <4>[ 59.797548] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 59.805796] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 59.814056] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_usbpd_charger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table <4>[ 59.854093] CR2: 00007f6b7f85a000 <4>[ 59.858076] ---[ end trace bf7d0a621a4c666c ]--- <4>[ 59.863523] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 59.868192] Code: 89 ff e8 3e e6 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 50 56 e9 02 <4>[ 59.889412] RSP: 0018:ffffa6d6c1257e60 EFLAGS: 00010282 <4>[ 59.895530] RAX: ffffffff82179540 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 59.903786] RDX: 0000000000000000 RSI: ffff930a3bd1bf70 RDI: ffffffff8317e850 <4>[ 59.912039] RBP: ffffffff8365d410 R08: 0000000000000001 R09: 0000000000000001 <4>[ 59.920299] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 59.928549] R13: ffffa6d6c1257f10 R14: ffffa6d6c1257f10 R15: ffff9309c4524000 <4>[ 59.936792] FS: 00007f6b7f82b580(0000) GS:ffff930a3bd80000(0000) knlGS:0000000000000000 <4>[ 59.946104] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 59.952800] CR2: 00007f6b7f85a000 CR3: 000000010457c000 CR4: 00000000003506e0 <3>[ 59.961047] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 59.971237] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1792, name: cat <4>[ 59.979967] INFO: lockdep is turned off. <4>[ 59.984629] irq event stamp: 0 <4>[ 59.988325] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 59.995607] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 <4>[ 60.005023] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 <4>[ 60.014430] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 60.021707] CPU: 3 PID: 1792 Comm: cat Tainted: G D W 5.10.182-cip35 #1 <4>[ 60.030628] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 60.037513] Call Trace: <4>[ 60.040533] dump_stack+0x77/0x9b <4>[ 60.044519] ___might_sleep.cold+0xa6/0xb6 <4>[ 60.049381] exit_signals+0x1c/0x300 <4>[ 60.053662] do_exit+0xc2/0xab0 <4>[ 60.057447] ? ksys_write+0x68/0xf0 <4>[ 60.061619] make_task_dead+0x2f/0x30 <4>[ 60.065995] rewind_stack_and_make_dead+0x17/0x20 <4>[ 60.071530] RIP: 0033:0x7f6b7f741473 <4>[ 60.075809] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 60.097036] RSP: 002b:00007ffd2a9b1c38 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 60.105766] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007f6b7f741473 <4>[ 60.114010] RDX: 0000000000000011 RSI: 00007f6b7f635000 RDI: 0000000000000001 <4>[ 60.122256] RBP: 00007f6b7f635000 R08: 00007f6b7f634010 R09: 0000000000000000 <4>[ 60.130505] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 60.138757] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 57.427815] RSP: 0018:ffffa6d6c1257e60 EFLAGS: 00010282 # [ 57.433922] RAX: ffffffff82179540 RBX: 0000000000000001 RCX: 0000000000000000 # [ 57.442167] RDX: 0000000000000000 RSI: ffff930a3bd1bf70 RDI: ffffffff8317e850 # [ 57.450409] RBP: ffffffff8365d410 R08: 0000000000000001 R09: 0000000000000001 # [ 57.458654] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 57.466895] R13: ffffa6d6c1257f10 R14: ffffa6d6c1257f10 R15: ffff9309c4524000 # [ 57.475141] FS: 00007ff6d82b4580(0000) GS:ffff930a3bd00000(0000) knlGS:0000000000000000 # [ 57.484453] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 57.491151] CR2: ffffffff8317ece0 CR3: 0000000103e12000 CR4: 00000000003506e0 # EXEC_RODATA: saw 'call trace:': ok ok 34 selftests: lkdtm: EXEC_RODATA.sh # selftests: lkdtm: EXEC_USERSPACE.sh # Killed # [ 57.804276] lkdtm: Performing direct entry EXEC_USERSPACE # [ 57.816211] lkdtm: attempting ok execution at ffffffff82179910 # [ 57.829289] lkdtm: attempting bad execution at 00007f73ae1aa000 # [ 57.842421] unable to execute userspace code (SMEP?) (uid: 0) # [ 57.849124] BUG: unable to handle page fault for address: 00007f73ae1aa000 # [ 57.857078] #PF: supervisor instruction fetch in kernel mode # [ 57.863676] #PF: error_code(0x0011) - permissions violation # [ 57.870188] PGD 8000000104b5a067 P4D 8000000104b5a067 PUD 1045dd067 PMD 1069d6067 PTE 10b9a9067 # [ 57.880196] Oops: 0011 [#10] SMP PTI # [ 57.884474] CPU: 0 PID: 1721 Comm: cat Tainted: G D W 5.10.182-cip35 #1 # [ 57.893399] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 57.900300] RIP: 0010:0x7f73ae1aa000 # [ 57.904571] Code: Unable to access opcode bytes at RIP 0x7f73ae1a9fd6. # [ 57.912137] RSP: 0018:ffffa6d6c228fe50 EFLAGS: 00010246 # [ 57.918253] RAX: 0000000000000033 RBX: 0000000000000024 RCX: 0000000000000000 # [ 57.932692] RDX: 0000000000000000 RSI: ffff930a3bc1bf70 RDI: ffff930a3bc1bf70 # [ 57.940940] RBP: 00007f73ae1aa000 R08: 0000000000000000 R09: 0000000000000000 # [ 57.949187] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000f # [ 57.957430] R13: ffffa6d6c228ff10 R14: ffffa6d6c228ff10 R15: ffff9309c5f8a000 # [ 57.965682] FS: 00007f73ae17b580(0000) GS:ffff930a3bc00000(0000) knlGS:0000000000000000 # [ 57.974998] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 57.981696] CR2: 00007f73ae1aa000 CR3: 0000000105c22000 CR4: 00000000003506f0 # [ 57.989946] Call Trace: # [ 57.992976] ? __die_body.cold+0x1a/0x1f # [ 57.997651] ? no_context+0x177/0x380 # [ 58.002035] ? exc_page_fault+0x53/0x170 # [ 58.006700] ? asm_exc_page_fault+0x1e/0x30 # [ 58.011669] ? lkdtm_EXEC_USERSPACE.cold+0x69/0xae # [ 58.017303] ? direct_entry.cold+0x2c/0x38 # [ 58.022155] ? full_proxy_write+0x56/0x80 # [ 58.026925] ? vfs_write+0xea/0x3b0 # [ 58.031110] ? ksys_write+0x68/0xf0 # [ 58.035304] ? do_syscall_64+0x33/0x40 # [ 58.039777] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 58.045892] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_usbpd_charger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 58.092127] CR2: 00007f73ae1aa000 # [ 58.096113] ---[ end trace bf7d0a621a4c666a ]--- # [ 58.101555] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 58.106218] Code: 89 ff e8 3e e6 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 50 56 e9 02 # [ 58.127431] RSP: 0018:ffffa6d6c1257e60 EFLAGS: 00010282 # [ 58.1<6>[ 60.522895] lkdtm: Performing direct entry ACCESS_NULL <6>[ 60.531543] lkdtm: attempting bad read at 0000000000000000 33537] RAX: ffffffff82179540 RBX: 0000000000000001 RCX: 00000000<1>[ 60.538022] BUG: kernel NULL pointer dereference, address: 0000000000000000 <1>[ 60.552252] #PF: supervisor read access in kernel mode 00000000 # [ 58.141780] RDX: 0000000000000000 RSI: ffff930a3b<1>[ 60.558273] #PF: error_code(0x0000) - not-present page [ 60.570483] PGD 0 P4D 0 <4>[ 60.579703] Oops: 0000 [#13] SMP PTI d410 R08: 0000000000000001 R09: 0000000000000001 # [ 58.15829<4>[ 60.583982] CPU: 0 PID: 1827 Comm: cat Tainted: G D W 5.10.182-cip35 #1 <4>[ 60.599092] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 60.605991] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53 <4>[ 60.611528] Code: 93 d7 fb ff be 00 10 00 00 48 89 ef e8 35 75 0f ff e9 69 ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 88 9e 5f 83 e8 6d d7 fb ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 b0 9e 5f 83 48 01 <4>[ 60.632736] RSP: 0018:ffffa6d6c2417e58 EFLAGS: 00010246 <4>[ 60.638854] RAX: 000000000000002e RBX: 0000000000000027 RCX: 0000000000000000 <4>[ 60.647098] RDX: 0000000000000000 RSI: ffff930a3bc1bf70 RDI: ffff930a3bc1bf70 <4>[ 60.655343] RBP: ffffffff835f8f79 R08: 0000000000000000 R09: 0000000000000000 <4>[ 60.663587] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c <4>[ 60.671846] R13: ffffa6d6c2417f10 R14: ffffa6d6c2417f10 R15: ffff9309c6933000 <4>[ 60.680091] FS: 00007fdd7abd2580(0000) GS:ffff930a3bc00000(0000) knlGS:0000000000000000 <4>[ 60.689403] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 60.696103] CR2: 0000000000000000 CR3: 00000001033f0000 CR4: 00000000003506f0 <4>[ 60.704351] Call Trace: <4>[ 60.707380] ? __die_body.cold+0x1a/0x1f <4>[ 60.712047] ? no_context+0x177/0x380 <4>[ 60.716427] ? exc_page_fault+0x53/0x170 <4>[ 60.721091] ? asm_exc_page_fault+0x1e/0x30 <4>[ 60.726044] ? lkdtm_ACCESS_NULL+0x14/0x53 <4>[ 60.730901] ? lkdtm_ACCESS_NULL+0x14/0x53 <4>[ 60.735760] direct_entry.cold+0x2c/0x38 <4>[ 60.740419] full_proxy_write+0x56/0x80 <4>[ 60.744994] vfs_write+0xea/0x3b0 <4>[ 60.748980] ksys_write+0x68/0xf0 <4>[ 60.752970] do_syscall_64+0x33/0x40 <4>[ 60.757246] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 60.763162] RIP: 0033:0x7fdd7aae8473 <4>[ 60.767445] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 60.788674] RSP: 002b:00007ffc4a4f3208 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 60.797427] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007fdd7aae8473 <4>[ 60.805685] RDX: 000000000000000c RSI: 00007fdd7a9dc000 RDI: 0000000000000001 <4>[ 60.813937] RBP: 00007fdd7a9dc000 R08: 00007fdd7a9db010 R09: 0000000000000000 <4>[ 60.822193] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 60.830443] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 0] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000<4>[ 60.838702] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_usbpd_charger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table <4>[ 60.884970] CR2: 0000000000000000 <4>[ 60.888963] ---[ end trace bf7d0a621a4c666d ]--- <4>[ 60.894417] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 60.899089] Code: 89 ff e8 3e e6 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 50 56 e9 02 <4>[ 60.920335] RSP: 0018:ffffa6d6c1257e60 EFLAGS: 00010282 <4>[ 60.926451] RAX: ffffffff82179540 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 60.934698] RDX: 0000000000000000 RSI: ffff930a3bd1bf70 RDI: ffffffff8317e850 <4>[ 60.942948] RBP: ffffffff8365d410 R08: 0000000000000001 R09: 0000000000000001 <4>[ 60.951203] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 60.959463] R13: ffffa6d6c1257f10 R14: ffffa6d6c1257f10 R15: ffff9309c4524000 <4>[ 60.967725] FS: 00007fdd7abd2580(0000) GS:ffff930a3bc00000(0000) knlGS:0000000000000000 <4>[ 60.977053] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 60.983757] CR2: 0000000000000000 CR3: 00000001033f0000 CR4: 00000000003506f0 0004 # [ 58.166550] R13: ffffa6d6c1257f10 R14: ffffa6d6c1257f10 R15: ffff9309c4524000 # [ 58.174809] FS: 00007f73ae17b580(0000) GS:ffff930a3bc00000(0000) knlGS:0000000000000000 # [ 58.184133] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 58.190841] CR2: 00007f73ae1aa000 CR3: 0000000105c22000 CR4: 00000000003506f0 # [ 58.199098] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 58.209289] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1721, name: cat # [ 58.218031] INFO: lockdep is turned off. # [ 58.222697] irq event stamp: 0 # [ 58.226399] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 58.233686] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 58.243111] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 58.252525] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 58.259816] CPU: 0 PID: 1721 Comm: cat Tainted: G D W 5.10.182-cip35 #1 # [ 58.268758] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 58.275662] Call Trace: # [ 58.278692] dump_stack+0x77/0x9b # [ 58.282684] ___might_sleep.cold+0xa6/0xb6 # [ 58.287543] exit_signals+0x1c/0x300 # [ 58.291825] do_exit+0xc2/0xab0 # [ 58.295626] ? ksys_write+0x68/0xf0 # [ 58.299809] make_task_dead+0x2f/0x30 # [ 58.304193] rewind_stack_and_make_dead+0x17/0x20 # [ 58.309736] RIP: 0033:0x7f73ae091473 # [ 58.314017] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 58.335269] RSP: 002b:00007ffd67a3fd38 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 58.344005] RAX: ffffffffffffffda RBX: 000000000000000f RCX: 00007f73ae091473 # [ 58.358467] RDX: 000000000000000f RSI: 00007f73adf85000 RDI: 0000000000000001 # [ 58.366722] RBP: 00007f73adf85000 R08: 00007f73adf84010 R09: 0000000000000000 # [ 58.374981] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 58.383243] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # EXEC_USERSPACE: saw 'call trace:': ok ok 35 selftests: lkdtm: EXEC_USERSPACE.sh # selftests: lkdtm: EXEC_NULL.sh # Killed # [ 58.756370] lkdtm: Performing direct entry EXEC_NULL # [ 58.763500] lkdtm: attempting ok execution at ffffffff82179910 # [ 58.770320] lkdtm: attempting bad execution at 0000000000000000 # [ 58.777248] BUG: kernel NULL pointer dereference, address: 0000000000000000 # [ 58.785306] #PF: supervisor instruction fetch in kernel mode # [ 58.791896] #PF: error_code(0x0010) - not-present page # [ 58.797920] PGD 0 P4D 0 # [ 58.801042] Oops: 0010 [#11] SMP PTI # [ 58.805314] CPU: 2 PID: 1757 Comm: cat Tainted: G D W 5.10.182-cip35 #1 # [ 58.814242] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 58.821145] RIP: 0010:0x0 # [ 58.824367] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6. # [ 58.832320] RSP: 0018:ffffa6d6c230fe48 EFLAGS: 00010246 # [ 58.838434] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 # [ 5<6>[ 61.307722] lkdtm: Performing direct entry WRITE_RO 8.846677] RDX: 0000000000000000 RSI: ffff930a3bd1bf70 RDI: ffff9<6>[ 61.314271] lkdtm: attempting bad rodata write at ffffffff8317ecd0 30a3bd1bf70 # [ 58.854922] RBP: 0000000000000000 R08: 0000000<1>[ 61.327712] BUG: unable to handle page fault for address: ffffffff8317ecd0 <1>[ 61.341823] #PF: supervisor write access in kernel mode <1>[ 61.347942] #PF: error_code(0x0003) - permissions violation <6>[ 61.354447] PGD 76429067 P4D 76429067 PUD 7642a063 PMD 8000000075c001e1 <4>[ 61.362229] Oops: 0003 [#14] SMP PTI <4>[ 61.366512] CPU: 3 PID: 1862 Comm: cat Tainted: G D W 5.10.182-cip35 #1 <4>[ 61.375450] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 61.382356] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a <4>[ 61.387605] Code: 00 48 c7 c7 68 9d 5f 83 48 c7 c6 d0 ec 17 83 e8 17 da fb ff 48 8b 05 4f 16 97 00 ba 34 12 cd ab 48 c7 c7 98 9d 5f 83 48 31 d0 <48> 89 05 39 16 97 00 e9 f5 d9 fb ff 0f 1f 44 00 00 48 8b 05 88 0c <4>[ 61.408836] RSP: 0018:ffffa6d6c24afe60 EFLAGS: 00010202 <4>[ 61.414959] RAX: 000000000198b861 RBX: 0000000000000028 RCX: 0000000000000000 <4>[ 61.423211] RDX: 00000000abcd1234 RSI: ffff930a3bd9bf70 RDI: ffffffff835f9d98 <4>[ 61.431458] RBP: ffffffff835f8f85 R08: 0000000000000000 R09: 0000000000000000 <4>[ 61.439703] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000009 <4>[ 61.447956] R13: ffffa6d6c24aff10 R14: ffffa6d6c24aff10 R15: ffff9309c5f49000 <4>[ 61.456218] FS: 00007f96161e6580(0000) GS:ffff930a3bd80000(0000) knlGS:0000000000000000 <4>[ 61.465534] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 61.472233] CR2: ffffffff8317ecd0 CR3: 0000000106932000 CR4: 00000000003506e0 <4>[ 61.480489] Call Trace: <4>[ 61.483521] ? __die_body.cold+0x1a/0x1f <4>[ 61.488195] ? no_context+0x177/0x380 <4>[ 61.492579] ? exc_page_fault+0xd7/0x170 <4>[ 61.497248] ? asm_exc_page_fault+0x1e/0x30 <4>[ 61.502212] ? lkdtm_WRITE_RO+0x2e/0x3a <4>[ 61.506779] direct_entry.cold+0x2c/0x38 <4>[ 61.511446] full_proxy_write+0x56/0x80 <4>[ 61.516019] vfs_write+0xea/0x3b0 <4>[ 61.520008] ksys_write+0x68/0xf0 <4>[ 61.523999] do_syscall_64+0x33/0x40 <4>[ 61.528284] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 61.534211] RIP: 0033:0x7f96160fc473 <4>[ 61.538489] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 61.559724] RSP: 002b:00007ffd2cc3ed98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 61.568456] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f96160fc473 <4>[ 61.576716] RDX: 0000000000000009 RSI: 00007f9615ff0000 RDI: 0000000000000001 <4>[ 61.584974] RBP: 00007f9615ff0000 R08: 00007f9615fef010 R09: 0000000000000000 <4>[ 61.593220] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 61.601466] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 61.609723] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_usbpd_charger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table <4>[ 61.649721] CR2: ffffffff8317ecd0 <4>[ 61.653709] ---[ end trace bf7d0a621a4c666e ]--- <4>[ 61.659141] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 61.663805] Code: 89 ff e8 3e e6 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 50 56 e9 02 <4>[ 61.685022] RSP: 0018:ffffa6d6c1257e60 EFLAGS: 00010282 <4>[ 61.691136] RAX: ffffffff82179540 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 61.699394] RDX: 0000000000000000 RSI: ffff930a3bd1bf70 RDI: ffffffff8317e850 <4>[ 61.707643] RBP: ffffffff8365d410 R08: 0000000000000001 R09: 0000000000000001 <4>[ 61.715891] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 61.724133] R13: ffffa6d6c1257f10 R14: ffffa6d6c1257f10 R15: ffff9309c4524000 <4>[ 61.732380] FS: 00007f96161e6580(0000) GS:ffff930a3bd80000(0000) knlGS:0000000000000000 <4>[ 61.741701] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 61.748405] CR2: ffffffff8317ecd0 CR3: 0000000106932000 CR4: 00000000003506e0 <3>[ 61.756663] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 61.766844] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1862, name: cat <4>[ 61.775580] INFO: lockdep is turned off. <4>[ 61.780244] irq event stamp: 0 <4>[ 61.783940] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 61.791228] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 <4>[ 61.800643] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 <4>[ 61.810050] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 61.817339] CPU: 3 PID: 1862 Comm: cat Tainted: G D W 5.10.182-cip35 #1 <4>[ 61.826267] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 61.833163] Call Trace: <4>[ 61.836186] dump_stack+0x77/0x9b <4>[ 61.840178] ___might_sleep.cold+0xa6/0xb6 <4>[ 61.845035] exit_signals+0x1c/0x300 <4>[ 61.849319] do_exit+0xc2/0xab0 <4>[ 61.853112] ? ksys_write+0x68/0xf0 <4>[ 61.857292] make_task_dead+0x2f/0x30 <4>[ 61.861670] rewind_stack_and_make_dead+0x17/0x20 <4>[ 61.867209] RIP: 0033:0x7f96160fc473 <4>[ 61.871486] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 61.892727] RSP: 002b:00007ffd2cc3ed98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 61.901461] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f96160fc473 <4>[ 61.909705] RDX: 0000000000000009 RSI: 00007f9615ff0000 RDI: 0000000000000001 <4>[ 61.917955] RBP: 00007f9615ff0000 R08: 00007f9615fef010 R09: 0000000000000000 <4>[ 61.926217] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 61.934476] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 000000000 R09: 0000000000000000 # [ 58.863172] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 58.871412] R13: ffffa6d6c230ff10 R14: ffffa6d6c230ff10 R15: ffff9309c5ffd000 # [ 58.879658] FS: 00007fe8ea0f3580(0000) GS:ffff930a3bd00000(0000) knlGS:0000000000000000 # [ 58.888966] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 58.895664] CR2: ffffffffffffffd6 CR3: 0000000103d74000 CR4: 00000000003506e0 # [ 58.903922] Call Trace: # [ 58.906953] ? __die_body.cold+0x1a/0x1f # [ 58.911626] ? no_context+0x177/0x380 # [ 58.916006] ? exc_page_fault+0x53/0x170 # [ 58.920671] ? asm_exc_page_fault+0x1e/0x30 # [ 58.925639] execute_location+0x48/0x56 # [ 58.930210] direct_entry.cold+0x2c/0x38 # [ 58.934877] full_proxy_write+0x56/0x80 # [ 58.939449] vfs_write+0xea/0x3b0 # [ 58.949545] ksys_write+0x68/0xf0 # [ 58.953537] do_syscall_64+0x33/0x40 # [ 58.957820] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 58.963745] RIP: 0033:0x7fe8ea009473 # [ 58.968015] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 58.989258] RSP: 002b:00007ffc14a28c48 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 58.997992] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fe8ea009473 # [ 59.006235] RDX: 000000000000000a RSI: 00007fe8e9efd000 RDI: 0000000000000001 # [ 59.014481] RBP: 00007fe8e9efd000 R08: 00007fe8e9efc010 R09: 0000000000000000 # [ 59.022737] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 59.030989] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 59.039249] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_usbpd_charger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 59.085485] CR2: 0000000000000000 # [ 59.089482] ---[ end trace bf7d0a621a4c666b ]--- # [ 59.094939] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 59.099612] Code: 89 ff e8 3e e6 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 50 56 e9 02 # [ 59.120873] RSP: 0018:ffffa6d6c1257e60 EFLAGS: 00010282 # [ 59.126996] RAX: ffffffff82179540 RBX: 0000000000000001 RCX: 0000000000000000 # [ 59.135252] RDX: 0000000000000000 RSI: ffff930a3bd1bf70 RDI: ffffffff8317e850 # [ 59.143517] RBP: ffffffff8365d410 R08: 0000000000000001 R09: 0000000000000001 # [ 59.151778] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 59.160036] R13: ffffa6d6c1257f10 R14: ffffa6d6c1257f10 R15: ffff9309c4524000 # [ 59.168292] FS: 00007fe8ea0f3580(0000) GS:ffff930a3bd00000(0000) knlGS:0000000000000000 # [ 59.177606] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 59.184308] CR2: ffffffffffffffd6 CR3: 0000000103d74000 CR4: 00000000003506e0 # EXEC_NULL: saw 'call trace:': ok ok 36 selftests: lkdtm: EXEC_NULL.sh # selftests: lkdtm: ACCESS_USERSPACE.sh # Killed # [ 59.501625] lkdtm: Performing direct entry ACCESS_USERSPACE # [ 59.509165] lkdtm: attempting bad read at 00007f6b7f85a000 # [ 59.521779] BUG: unable to handle page fault for address: 00007f6b7f85a000 # [ 59.535885] #PF: supervisor read access in kernel mode # [ 59.541901] #PF: error_code(0x0001) - permissions violation # [ 59.548402] PGD 8000000105e33067 P4D 8000000105e33067 PUD 102df9067 PMD 106a51067 PTE 10b748067 # [ 59.558410] Oops: 0001 [#12] SMP PTI # [ 59.562687] CPU: 3 PID: 1792 Comm: cat Tainted: G D W 5.10.182-cip35 #1 # [ 59.571606] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 59.578505] RIP: 0010:lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3 # <6>[ 62.339562] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT <6>[ 62.346701] lkdtm: attempting bad ro_after_init write at ffffffff8367e330 <1>[ 62.354630] BUG: unable to handle page fault for address: ffffffff8367e330 <1>[ 62.362595] #PF: supervisor write access in kernel mode <1>[ 62.368705] #PF: error_code(0x0003) - permissions violation [ 59.585010] Code: 00 00 00 75 64 48 83 c4 10 5d c3 cc cc cc c<6>[ 62.375204] PGD 76429067 P4D 76429067 PUD 7642a063 PMD 105998163 PTE 800000007627e061 <4>[ 62.390445] Oops: 0003 [#15] SMP PTI <4>[ 62.394726] CPU: 2 PID: 1897 Comm: cat Tainted: G D W 5.10.182-cip35 #1 <4>[ 62.403665] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 62.410572] RIP: 0010:lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a <4>[ 62.416883] Code: 9d 5f 83 e9 c9 d9 fb ff 48 c7 c7 f0 9d 5f 83 e8 bd d9 fb ff 48 8b 05 55 0c e7 00 ba 34 12 cd ab 48 c7 c7 98 9d 5f 83 48 31 d0 <48> 89 05 3f 0c e7 00 e9 9b d9 fb ff 0f 1f 44 00 00 41 54 48 c7 c7 <4>[ 62.438130] RSP: 0018:ffffa6d6c253fe60 EFLAGS: 00010202 <4>[ 62.444256] RAX: 00000000fe67479e RBX: 0000000000000029 RCX: 0000000000000000 <4>[ 62.452497] RDX: 00000000abcd1234 RSI: ffff930a3bd1bf70 RDI: ffffffff835f9d98 <4>[ 62.460745] RBP: ffffffff835f8f8e R08: 0000000000000000 R09: 0000000000000000 <4>[ 62.468998] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000014 <4>[ 62.477246] R13: ffffa6d6c253ff10 R14: ffffa6d6c253ff10 R15: ffff9309c3cfa000 <4>[ 62.485495] FS: 00007f04bc373580(0000) GS:ffff930a3bd00000(0000) knlGS:0000000000000000 <4>[ 62.494797] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 62.501490] CR2: ffffffff8367e330 CR3: 0000000105cea000 CR4: 00000000003506e0 <4>[ 62.509739] Call Trace: <4>[ 62.512769] ? __die_body.cold+0x1a/0x1f <4>[ 62.517445] ? no_context+0x177/0x380 <4>[ 62.521827] ? exc_page_fault+0xd7/0x170 <4>[ 62.526495] ? asm_exc_page_fault+0x1e/0x30 <4>[ 62.531460] ? lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a <4>[ 62.537104] direct_entry.cold+0x2c/0x38 <4>[ 62.541779] full_proxy_write+0x56/0x80 <4>[ 62.546354] vfs_write+0xea/0x3b0 <4>[ 62.550346] ksys_write+0x68/0xf0 <4>[ 62.554337] do_syscall_64+0x33/0x40 <4>[ 62.558612] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 62.564540] RIP: 0033:0x7f04bc289473 <4>[ 62.568821] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 62.590050] RSP: 002b:00007ffcab64ec38 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 62.598788] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f04bc289473 <4>[ 62.607035] RDX: 0000000000000014 RSI: 00007f04bc17d000 RDI: 0000000000000001 <4>[ 62.615284] RBP: 00007f04bc17d000 R08: 00007f04bc17c010 R09: 0000000000000000 <4>[ 62.623541] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 62.631802] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 c 48 89 ee 48 c7 c7 88 9e 5f 83 e8 ef d7 fb ff 48 c7 c7 b0 9e 5f<4>[ 62.640074] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_usbpd_charger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table <4>[ 62.686289] CR2: ffffffff8367e330 <4>[ 62.690276] ---[ end trace bf7d0a621a4c666f ]--- <4>[ 62.695720] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 62.700383] Code: 89 ff e8 3e e6 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 50 56 e9 02 <4>[ 62.721611] RSP: 0018:ffffa6d6c1257e60 EFLAGS: 00010282 <4>[ 62.727726] RAX: ffffffff82179540 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 62.735968] RDX: 0000000000000000 RSI: ffff930a3bd1bf70 RDI: ffffffff8317e850 <4>[ 62.744210] RBP: ffffffff8365d410 R08: 0000000000000001 R09: 0000000000000001 <4>[ 62.752455] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 62.760699] R13: ffffa6d6c1257f10 R14: ffffa6d6c1257f10 R15: ffff9309c4524000 <4>[ 62.768956] FS: 00007f04bc373580(0000) GS:ffff930a3bd00000(0000) knlGS:0000000000000000 <4>[ 62.778274] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 62.784974] CR2: ffffffff8367e330 CR3: 0000000105cea000 CR4: 00000000003506e0 83 b8 de c0 de c0 <48> 03 45 00 48 89 04 24 e8 d6 d7 fb ff 48 89 ee 48 c7 c7 d8 9e 5f # [ 59.606229] RSP: 0018:ffffa6d6c238fe48 EFLAGS: 00010246 # [ 59.612345] RAX: 00000000c0dec0de RBX: 0000000000000026 RCX: 0000000000000000 # [ 59.620590] RDX: 0000000000000000 RSI: ffff930a3bd9bf70 RDI: ffffffff835f9eb0 # [ 59.628834] RBP: 00007f6b7f85a000 R08: 0000000000000000 R09: 0000000000000000 # [ 59.637076] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000011 # [ 59.645320] R13: ffffa6d6c238ff10 R14: ffffa6d6c238ff10 R15: ffff9309c5199000 # [ 59.653562] FS: 00007f6b7f82b580(0000) GS:ffff930a3bd80000(0000) knlGS:0000000000000000 # [ 59.662870] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 59.669569] CR2: 00007f6b7f85a000 CR3: 000000010457c000 CR4: 00000000003506e0 # [ 59.677811] Call Trace: # [ 59.680843] ? __die_body.cold+0x1a/0x1f # [ 59.685515] ? no_context+0x177/0x380 # [ 59.689896] ? exc_page_fault+0x53/0x170 # [ 59.694563] ? asm_exc_page_fault+0x1e/0x30 # [ 59.699528] ? lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3 # [ 59.705354] ? lkdtm_ACCESS_USERSPACE.cold+0x35/0xa3 # [ 59.711177] direct_entry.cold+0x2c/0x38 # [ 59.715844] full_proxy_write+0x56/0x80 # [ 59.720413] vfs_write+0xea/0x3b0 # [ 59.724400] ksys_write+0x68/0xf0 # [ 59.728395] do_syscall_64+0x33/0x40 # [ 59.732672] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 59.738591] RIP: 0033:0x7f6b7f741473 # [ 59.742870] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 59.764081] RSP: 002b:00007ffd2a9b1c38 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 59.772811] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007f6b7f741473 # [ 59.781055] RDX: 0000000000000011 RSI: 00007f6b7f635000 RDI: 0000000000000001 # [ 59.789300] RBP: 00007f6b7f635000 R08: 00007f6b7f634010 R09: 0000000000000000 # [ 59.797548] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 59.805796] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 59.814056] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_usbpd_charger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 59.854093] CR2: 00007f6b7f85a000 # [ 59.858076] ---[ end trace bf7d0a621a4c666c ]--- # [ 59.863523] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 59.868192] Code: 89 ff e8 3e e6 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 50 56 e9 02 # [ 59.889412] RSP: 0018:ffffa6d6c1257e60 EFLAGS: 00010282 # [ 59.895530] RAX: ffffffff82179540 RBX: 0000000000000001 RCX: 0000000000000000 # [ 59.903786] RDX: 0000000000000000 RSI: ffff930a3bd1bf70 RDI: ffffffff8317e850 # [ 59.912039] RBP: ffffffff8365d410 R08: 0000000000000001 R09: 0000000000000001 # [ 59.920299] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 59.928549] R13: ffffa6d6c1257f10 R14: ffffa6d6c1257f10 R15: ffff9309c4524000 # [ <6>[ 63.123683] lkdtm: Performing direct entry WRITE_KERN <6>[ 63.134082] lkdtm: attempting bad 6896875 byte write at ffffffff8280d5fb <1>[ 63.141914] BUG: unable to handle page fault for address: ffffffff8280d5fb <1>[ 63.149884] #PF: supervisor write access in kernel mode <1>[ 63.156007] #PF: error_code(0x0003) - permissions violation 59.936792] FS: 00007f6b7f82b580(0000) GS:ffff930a3bd80000(000<6>[ 63.162517] PGD 76429067 P4D 76429067 PUD 7642a063 PMD 754001e1 <4>[ 63.175710] Oops: 0003 [#16] SMP PTI 0) knlGS:0000000000000000 # [ 59.946104] CS: 0010 DS: 0000 E<4>[ 63.179987] CPU: 2 PID: 1932 Comm: cat Tainted: G D W 5.10.182-cip35 #1 <4>[ 63.195127] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 63.202038] RIP: 0010:lkdtm_WRITE_KERN+0x38/0x4e <4>[ 63.207486] Code: 53 48 c7 c3 fb d5 80 82 49 89 dc 48 89 da 49 81 ec 10 99 17 82 4c 89 e6 e8 70 d9 fb ff 48 89 df 4c 89 e1 48 c7 c6 10 99 17 82 a4 48 c7 c7 98 9d 5f 83 e8 55 d9 fb ff 5b 41 5c e9 b7 fe ff ff <4>[ 63.228735] RSP: 0018:ffffa6d6c25afe50 EFLAGS: 00010246 <4>[ 63.234861] RAX: 000000000000003c RBX: ffffffff8280d5fb RCX: 0000000000693ceb <4>[ 63.243113] RDX: 0000000000000000 RSI: ffffffff82179910 RDI: ffffffff8280d5fb <4>[ 63.251367] RBP: ffffffff835f8fa2 R08: 0000000000000000 R09: 0000000000000000 <4>[ 63.259612] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000693ceb <4>[ 63.267857] R13: ffffa6d6c25aff10 R14: ffffa6d6c25aff10 R15: ffff9309c327d000 <4>[ 63.276101] FS: 00007fe80124d580(0000) GS:ffff930a3bd00000(0000) knlGS:0000000000000000 <4>[ 63.285412] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 63.292108] CR2: ffffffff8280d5fb CR3: 00000001059aa000 CR4: 00000000003506e0 <4>[ 63.300356] Call Trace: <4>[ 63.303383] ? __die_body.cold+0x1a/0x1f <4>[ 63.308055] ? no_context+0x177/0x380 <4>[ 63.312441] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 <4>[ 63.318179] ? exc_page_fault+0xd7/0x170 <4>[ 63.322851] ? asm_exc_page_fault+0x1e/0x30 <4>[ 63.327817] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 <4>[ 63.333552] ? lkdtm_SLAB_FREE_PAGE+0x40/0x40 <4>[ 63.338700] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 <4>[ 63.344432] ? lkdtm_WRITE_KERN+0x38/0x4e <4>[ 63.349195] direct_entry.cold+0x2c/0x38 <4>[ 63.353865] full_proxy_write+0x56/0x80 <4>[ 63.358436] vfs_write+0xea/0x3b0 <4>[ 63.362424] ksys_write+0x68/0xf0 <4>[ 63.366417] do_syscall_64+0x33/0x40 S: 0000 CR0: 0000000080050033 # [ 59.952800] CR2: 00007f6b7f8<4>[ 63.370692] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 63.382811] RIP: 0033:0x7fe801163473 <4>[ 63.387090] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 63.408319] RSP: 002b:00007ffe88140408 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 63.417062] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007fe801163473 <4>[ 63.425318] RDX: 000000000000000b RSI: 00007fe801057000 RDI: 0000000000000001 <4>[ 63.433568] RBP: 00007fe801057000 R08: 00007fe801056010 R09: 0000000000000000 <4>[ 63.441820] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 63.450068] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 63.458326] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_usbpd_charger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table <4>[ 63.498366] CR2: ffffffff8280d5fb <4>[ 63.502353] ---[ end trace bf7d0a621a4c6670 ]--- <4>[ 63.507794] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 63.512455] Code: 89 ff e8 3e e6 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 50 56 e9 02 <4>[ 63.533683] RSP: 0018:ffffa6d6c1257e60 EFLAGS: 00010282 <4>[ 63.539799] RAX: ffffffff82179540 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 63.548049] RDX: 0000000000000000 RSI: ffff930a3bd1bf70 RDI: ffffffff8317e850 <4>[ 63.556300] RBP: ffffffff8365d410 R08: 0000000000000001 R09: 0000000000000001 <4>[ 63.564547] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 63.572791] R13: ffffa6d6c1257f10 R14: ffffa6d6c1257f10 R15: ffff9309c4524000 <4>[ 63.581048] FS: 00007fe80124d580(0000) GS:ffff930a3bd00000(0000) knlGS:0000000000000000 <4>[ 63.590376] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 63.597073] CR2: ffffffff8280d5fb CR3: 00000001059aa000 CR4: 00000000003506e0 <3>[ 63.605332] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 63.615516] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1932, name: cat <4>[ 63.624257] INFO: lockdep is turned off. <4>[ 63.628925] irq event stamp: 0 <4>[ 63.632620] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 63.639908] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 <4>[ 63.649329] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 <4>[ 63.658761] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 63.666058] CPU: 2 PID: 1932 Comm: cat Tainted: G D W 5.10.182-cip35 #1 <4>[ 63.675000] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 63.681893] Call Trace: <4>[ 63.684919] dump_stack+0x77/0x9b <4>[ 63.688914] ___might_sleep.cold+0xa6/0xb6 <4>[ 63.693783] exit_signals+0x1c/0x300 <4>[ 63.698069] do_exit+0xc2/0xab0 <4>[ 63.701861] ? ksys_write+0x68/0xf0 <4>[ 63.706052] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 <4>[ 63.711794] make_task_dead+0x2f/0x30 <4>[ 63.716170] rewind_stack_and_make_dead+0x17/0x20 <4>[ 63.721702] RIP: 0033:0x7fe801163473 <4>[ 63.725984] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 63.747233] RSP: 002b:00007ffe88140408 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 63.755971] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007fe801163473 <4>[ 63.764216] RDX: 000000000000000b RSI: 00007fe801057000 RDI: 0000000000000001 <4>[ 63.772467] RBP: 00007fe801057000 R08: 00007fe801056010 R09: 0000000000000000 <4>[ 63.780716] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 63.788964] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 5a000 CR3: 000000010457c000 CR4: 00000000003506e0 # [ 59.961047] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 59.971237] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1792, name: cat # [ 59.979967] INFO: lockdep is turned off. # [ 59.984629] irq event stamp: 0 # [ 59.988325] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 59.995607] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 60.005023] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 60.014430] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 60.021707] CPU: 3 PID: 1792 Comm: cat Tainted: G D W 5.10.182-cip35 #1 # [ 60.030628] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 60.037513] Call Trace: # [ 60.040533] dump_stack+0x77/0x9b # [ 60.044519] ___might_sleep.cold+0xa6/0xb6 # [ 60.049381] exit_signals+0x1c/0x300 # [ 60.053662] do_exit+0xc2/0xab0 # [ 60.057447] ? ksys_write+0x68/0xf0 # [ 60.061619] make_task_dead+0x2f/0x30 # [ 60.065995] rewind_stack_and_make_dead+0x17/0x20 # [ 60.071530] RIP: 0033:0x7f6b7f741473 # [ 60.075809] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 60.097036] RSP: 002b:00007ffd2a9b1c38 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 60.105766] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007f6b7f741473 # [ 60.114010] RDX: 0000000000000011 RSI: 00007f6b7f635000 RDI: 0000000000000001 # [ 60.122256] RBP: 00007f6b7f635000 R08: 00007f6b7f634010 R09: 0000000000000000 # [ 60.130505] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 60.138757] 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 # [ 60.522895] lkdtm: Performing direct entry ACCESS_NULL # [ 60.531543] lkdtm: attempting bad read at 0000000000000000 # [ 60.538022] BUG: kernel NULL pointer dereference, address: 0000000000000000 # [ 60.552252] #PF: supervisor read access in kernel mode # [ 60.558273] #PF: error_code(0x0000) - not-present page # [ 60.570483] PGD 0 P4D 0 # [ 60.579703] Oops: 0000 [#13] SMP PTI # [ 60.583982] CPU: 0 PID: 1827 Comm: cat Tainted: G D W 5.10.182-cip35 #1 # [ 60.599092] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 60.605991] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53 # [ 60.611528] Code: 93 d7 fb ff be 00 10 00 00 48 89 ef e8 35 75 0f ff e9 69 ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 88 9e 5f 83 e8 6d d7 fb ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 b0 9e 5f 83 48 01 # [ 60.632736] RSP: 0018:ffffa6d6c2417e58 EFLAGS: 00010246 # [ 60.638854] RAX: 000000000000002e RBX: 0000000000000027 RCX: 0000000000000000 # [ 60.647098] RDX: 0000000000000000 RSI: ffff930a3bc1bf70 RDI: ffff930a3bc1bf70 # [ 60.655343] RBP: ffffffff835f8f79 R08: 0000000000000000 R09: 0000000000000000 # [ 60.663587] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c # [ 60.671846] R13: ffffa6d6c2417f10 R14: ffffa6d6c2417f10 R15: ffff9309c6933000 # [ 60.680091] FS: 00007fdd7abd2580(0000) GS:ffff930a3bc00000(0000) knlGS:0000000000000000 # [ 60.689403] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 60.696103] CR2: 0000000000000000 CR3: 00000001033f0000 CR4: 00000000003506f0 # [ 60.704351] Call Trace: # [ 60.707380] ? __die_body.cold+0x1a/0x1f # [ 60.712047] ? no_context+0x177/0x380 # [ 60.716427] ? exc_page_fault+0x53/0x170 # [ 60.721091] ? asm_exc_page_fault+0x1e/0x30 # [ 60.726044] ? lkdtm_ACCESS_NULL+0x14/0x53 # [ 60.730901] ? lkdtm_ACCESS_NULL+0x14/0x53 # [ 60.735760] direct_entry.cold+0x2c/0x38 # [ 60.740419] full_proxy_write+0x56/0x80 # [ 60.744994] vfs_write+0xea/0x3b0 # [ 60.748980] ksys_write+0x68/0xf0 # [ 60.752970] do_syscall_64+0x33/0x40 # [ 60.757246] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 60.763162] RIP: 0033:0x7fdd7aae8473 # [ 60.7<6>[ 64.208273] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW <6>[ 64.220100] lkdtm: attempting good refcount_inc() without overflow <6>[ 64.227313] lkdtm: attempting bad refcount_inc() overflow <4>[ 64.233661] ------------[ cut here ]------------ <4>[ 64.239119] refcount_t: saturated; leaking memory. <4>[ 64.244830] WARNING: CPU: 0 PID: 1967 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 67445] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff <4>[ 64.254550] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_usbpd_charger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table <4>[ 64.300758] CPU: 0 PID: 1967 Comm: cat Tainted: G D W 5.10.182-cip35 #1 <4>[ 64.309721] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 64.316636] RIP: 0010:refcount_warn_saturate+0x51/0x110 <4>[ 64.322775] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 21 f2 f6 01 00 75 ee 48 c7 c7 28 3f 55 83 c6 05 11 f2 f6 01 01 e8 26 ee c0 00 <0f> 0b c3 cc cc cc cc 80 3d fd f1 f6 01 00 75 cb 48 c7 c7 50 3f 55 <4>[ 64.344026] RSP: 0018:ffffa6d6c260fe48 EFLAGS: 00010286 <4>[ 64.350164] RAX: 0000000000000000 RBX: 000000000000002b RCX: 0000000000000000 <4>[ 64.358430] RDX: ffff930a3bc2c660 RSI: ffff930a3bc1bf70 RDI: ffff930a3bc1bf70 <4>[ 64.366705] RBP: ffffffff835f8fad R08: 0000000000000000 R09: 0000000000000000 <4>[ 64.374972] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 <4>[ 64.383236] R13: ffffa6d6c260ff10 R14: ffffa6d6c260ff10 R15: ffff9309c6a04000 <4>[ 64.391511] FS: 00007fc470af2580(0000) GS:ffff930a3bc00000(0000) knlGS:0000000000000000 <4>[ 64.400833] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 64.407546] CR2: 00007fc4708fc000 CR3: 0000000103fda000 CR4: 00000000003506f0 <4>[ 64.415813] Call Trace: <4>[ 64.418864] ? __warn+0x80/0x110 <4>[ 64.422774] ? refcount_warn_saturate+0x51/0x110 <4>[ 64.428235] ? report_bug+0x9e/0xc0 <4>[ 64.432444] ? handle_bug+0x41/0x90 <4>[ 64.436645] ? exc_invalid_op+0x14/0x70 <4>[ 64.441241] ? asm_exc_invalid_op+0x12/0x20 <4>[ 64.446228] ? refcount_warn_saturate+0x51/0x110 <4>[ 64.451690] ? refcount_warn_saturate+0x51/0x110 <4>[ 64.457155] lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x98 <4>[ 64.462815] direct_entry.cold+0x2c/0x38 <4>[ 64.467514] full_proxy_write+0x56/0x80 <4>[ 64.472119] vfs_write+0xea/0x3b0 <4>[ 64.476136] ksys_write+0x68/0xf0 <4>[ 64.480158] do_syscall_64+0x33/0x40 ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 0<4>[ 64.484458] entry_SYSCALL_64_after_hwframe+0x61/0xc6 0 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 <4>[ 64.496597] RIP: 0033:0x7fc470a08473 48 89 54 24 18 # [ 60.788674] RSP: 002b:00007ffc4a4f3208 EFLA<4>[ 64.507068] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 64.534519] RSP: 002b:00007ffed246d9d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 64.543279] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fc470a08473 <4>[ 64.551557] RDX: 0000000000000016 RSI: 00007fc4708fc000 RDI: 0000000000000001 <4>[ 64.559882] RBP: 00007fc4708fc000 R08: 00007fc4708fb010 R09: 0000000000000000 <4>[ 64.568176] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 64.576445] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 64.584732] irq event stamp: 0 <4>[ 64.588446] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 64.595744] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 <4>[ 64.605174] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 <4>[ 64.614592] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 64.621936] ---[ end trace bf7d0a621a4c6671 ]--- <6>[ 64.627396] lkdtm: Overflow detected: saturated GS: 00000246 ORIG_RAX: 0000000000000001 # [ 60.797427] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007fdd7aae8473 # [ 60.805685] RDX: 000000000000000c RSI: 00007fdd7a9dc000 RDI: 0000000000000001 # [ 60.813937] RBP: 00007fdd7a9dc000 R08: 00007fdd7a9db010 R09: 0000000000000000 # [ 60.822193] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 60.830443] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 60.838702] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_usbpd_charger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 60.884970] CR2: 0000000000000000 # [ 60.888963] ---[ end trace bf7d0a621a4c666d ]--- # [ 60.894417] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 60.899089] Code: 89 ff e8 3e e6 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 50 56 e9 02 # [ 60.920335] RSP: 0018:ffffa6d6c1257e60 EFLAGS: 00010282 # [ 60.926451] RAX: ffffffff82179540 RBX: 0000000000000001 RCX: 0000000000000000 # [ 60.934698] RDX: 0000000000000000 RSI: ffff930a3bd1bf70 RDI: ffffffff8317e850 # [ 60.942948] RBP: ffffffff8365d410 R08: 0000000000000001 R09: 0000000000000001 # [ 60.951203] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 60.959463] R13: ffffa6d6c1257f10 R14: ffffa6d6c1257f10 R15: ffff9309c4524000 # [ 60.967725] FS: 00007fdd7abd2580(0000) GS:ffff930a3bc00000(0000) knlGS:0000000000000000 # [ 60.977053] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 60.983757] CR2: 0000000000000000 CR3: 00000001033f0000 CR4: 00000000003506f0 # ACCESS_NULL: saw 'call trace:': ok ok 38 selftests: lkdtm: ACCESS_NULL.sh # selftests: lkdtm: WRITE_RO.sh # Killed # [ 61.307722] lkdtm: Performing direct entry WRITE_RO # [ 61.314271] lkdtm: attempting bad rodata write at ffffffff8317ecd0 # [ 61.327712] BUG: unable to handle page fault for address: ffffffff8317ecd0 # [ 61.341823] #PF: supervisor write access in kernel mode # [ 61.347942] #PF: error_code(0x0003) - permissions violation # [ 61.354447] PGD 76429067 P4D 76429067 PUD 7642a063 PMD 8000000075c001e1 # [ 61.362229] Oops: 0003 [#14] SMP PTI # [ 61.366512] CPU: 3 PID: 1862 Comm: cat Tainted: G D W 5.10.182-cip35 #1 # [ 61.375450] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 61.382356] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a # [ 61.387605] Code: 00 48 c7 c7 68 9d 5f 83 48 c7 c6 d0 ec 17 83 e8 17 da fb ff 48 8b 05 4f 16 97 00 ba 34 12 cd ab 48 c7 c7 98 9d 5f 83 48 31 d0 <48> 89 05 39 16 97 00 e9 f5 d9 fb ff 0f 1f 44 00 00 48 8b 05 88 0c # [ 61.408836] RSP: 0018:ffffa6d6c24afe60 EFLAGS: 00010202 # [ 61.414959] RAX: 000000000198b861 RBX: 0000000000000028 RCX: 0000000000000000 # [ 61.423211] RDX: 00000000abcd1234 RSI: ffff930a3bd9bf70 RDI: ffffffff835f9d98 # [ 61.431458] RBP: ffffffff835f8f85 R08: 0000000000000000 R09: 0000000000000000 # [ 61.439703] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000009 # [ 61.447956] R13: ffffa6d6c24aff10 R14: ffffa6d6c24aff10 R15: ffff9309c5f49000<6>[ 64.962917] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW <6>[ 64.974873] lkdtm: attempting good refcount_add() without overflow <6>[ 64.982080] lkdtm: attempting bad refcount_add() overflow <4>[ 64.988435] ------------[ cut here ]------------ # [ 61.456218] FS: 00007f96161e6580(0000) GS:ffff930a3bd800<4>[ 64.993888] refcount_t: saturated; leaking memory. 00(0000) knlGS:0000000000000000 # [ 61.465534] CS: 0010 DS: <4>[ 65.005777] WARNING: CPU: 1 PID: 1999 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 0000 ES: 0000 CR0: 0000000080050033 # [ 61.472233] CR2: fffff<4>[ 65.021686] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_usbpd_charger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table <4>[ 65.067861] CPU: 1 PID: 1999 Comm: cat Tainted: G D W 5.10.182-cip35 #1 <4>[ 65.076813] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 65.083731] RIP: 0010:refcount_warn_saturate+0x51/0x110 <4>[ 65.089882] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 21 f2 f6 01 00 75 ee 48 c7 c7 28 3f 55 83 c6 05 11 f2 f6 01 01 e8 26 ee c0 00 <0f> 0b c3 cc cc cc cc 80 3d fd f1 f6 01 00 75 cb 48 c7 c7 50 3f 55 <4>[ 65.111151] RSP: 0018:ffffa6d6c269fe48 EFLAGS: 00010286 <4>[ 65.117286] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000 <4>[ 65.125542] RDX: ffff930a3bcac660 RSI: ffff930a3bc9bf70 RDI: ffff930a3bc9bf70 <4>[ 65.133804] RBP: ffffffff835f8fc3 R08: 0000000000000000 R09: 0000000000000000 <4>[ 65.142069] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 <4>[ 65.150333] R13: ffffa6d6c269ff10 R14: ffffa6d6c269ff10 R15: ffff9309c2769000 <4>[ 65.158608] FS: 00007f70d9aa8580(0000) GS:ffff930a3bc80000(0000) knlGS:0000000000000000 <4>[ 65.167938] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 fff8317ecd0 CR3: 0000000106932000 CR4: 00000000003506e0 # [ 6<4>[ 65.174656] CR2: 00007f70d98b2000 CR3: 0000000105e38000 CR4: 00000000003506e0 <4>[ 65.189114] Call Trace: <4>[ 65.192161] ? __warn+0x80/0x110 1.480489] Call Trace: # [ 61.483521] ? __die_body.cold+0x1a/<4>[ 65.196070] ? refcount_warn_saturate+0x51/0x110 0x1f # [ 61.488195] ? no_context+0x177/0x380 # [ 61.49257<4>[ 65.207695] ? report_bug+0x9e/0xc0 <4>[ 65.218093] ? handle_bug+0x41/0x90 <4>[ 65.222300] ? exc_invalid_op+0x14/0x70 <4>[ 65.226891] ? asm_exc_invalid_op+0x12/0x20 <4>[ 65.231873] ? refcount_warn_saturate+0x51/0x110 9] ? exc_page_fault+0xd7/0x170 # [ 61.497248] ? asm_exc_pag<4>[ 65.237327] ? refcount_warn_saturate+0x51/0x110 e_fault+0x1e/0x30 # [ 61.502212] ? lkdtm_WRITE_RO+0x2e/0x3a <4>[ 65.248978] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa7 # [ 61.506779] direct_entry.cold+0x2c/0x38 # [ 61.511446]<4>[ 65.260800] direct_entry.cold+0x2c/0x38 full_proxy_write+0x56/0x80 # [ 61.516019] vfs_write+0xea/0<4>[ 65.271676] full_proxy_write+0x56/0x80 x3b0 # [ 61.520008] ksys_write+0x68/0xf0 # [ 61.523999] <4>[ 65.282470] vfs_write+0xea/0x3b0 do_syscall_64+0x33/0x40 # [ 61.528284] entry_SYSCALL_64_afte<4>[ 65.292687] ksys_write+0x68/0xf0 <4>[ 65.302882] do_syscall_64+0x33/0x40 r_hwframe+0x61/0xc6 # [ 61.534211] RIP: 0033:0x7f96160fc473 <4>[ 65.307233] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 61.538489] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0<4>[ 65.319366] RIP: 0033:0x7f70d99be473 <4>[ 65.329849] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 65.351089] RSP: 002b:00007ffc20aa36c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 65.359844] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f70d99be473 <4>[ 65.368107] RDX: 0000000000000016 RSI: 00007f70d98b2000 RDI: 0000000000000001 <4>[ 65.376368] RBP: 00007f70d98b2000 R08: 00007f70d98b1010 R09: 0000000000000000 <4>[ 65.384631] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 65.392895] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 65.401172] irq event stamp: 0 <4>[ 65.404888] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 65.412192] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 <4>[ 65.421626] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 <4>[ 65.431053] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 65.438349] ---[ end trace bf7d0a621a4c6672 ]--- <6>[ 65.443794] lkdtm: Overflow detected: saturated ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 61.559724] RSP: 002b:00007ffd2cc3ed98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 61.568456] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f96160fc473 # [ 61.576716] RDX: 0000000000000009 RSI: 00007f9615ff0000 RDI: 0000000000000001 # [ 61.584974] RBP: 00007f9615ff0000 R08: 00007f9615fef010 R09: 0000000000000000 # [ 61.593220] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 61.601466] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 61.609723] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_usbpd_charger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 61.649721] CR2: ffffffff8317ecd0 # [ 61.653709] ---[ end trace bf7d0a621a4c666e ]--- # [ 61.659141] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 61.663805] Code: 89 ff e8 3e e6 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 50 56 e9 02 # [ 61.685022] RSP: 0018:ffffa6d6c1257e60 EFLAGS: 00010282 # [ 61.691136] RAX: ffffffff82179540 RBX: 0000000000000001 RCX: 0000000000000000 # [ 61.699394] RDX: 0000000000000000 RSI: ffff930a3bd1bf70 RDI: ffffffff8317e850 # [ 61.707643] RBP: ffffffff8365d410 R08: 0000000000000001 R09: 0000000000000001 # [ 61.715891] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 61.724133] R13: ffffa6d6c1257f10 R14: ffffa6d6c1257f10 R15: ffff9309c4524000 # [ 61.732380] FS: 00007f96161e6580(0000) GS:ffff930a3bd80000(0000) knlGS:0000000000000000 # [ 61.741701] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 61.748405] CR2: ffffffff8317ecd0 CR3: 0000000106932000 CR4: 00000000003506e0 # [ 61.756663] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 61.766844] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1862, name: cat # [ 61.775580] INFO: lockdep is turned off. # [ 61.780244] irq event stamp: 0 # [ 61.783940] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 61.791228] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 61.800643] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 61.810050] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 61.817339] CPU: 3 PID: 1862 Comm: cat Tainted: G D W 5.10.182-cip35 #1 # [ 61.826267] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 61.833163] Call Trace: # [ 61.836186] dump_stack+0x77/0x9b # [ 61.840178] ___might_sleep.cold+0xa6/0xb6 # [ 61.845035] exit_signals+0x1c/0x300 # [ 61.849319] do_exit+0xc2/0xab0 # [ 61.853112] ? ksys_write+0x68/0xf0 # [ 61.857292] make_task_dead+0x2f/0x30 # [ 61.861670] rewind_stack_and_make_dead+0x17/0x20 # [ 61.867209] RIP: 0033:0x7f96160fc473 # [ 61.871486] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 8<6>[ 65.785234] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW 3 ec 28 48 89 54 24 18 # [ 61.892727] RSP: 002b:00007ffd2cc3e<6>[ 65.798290] lkdtm: attempting bad refcount_inc_not_zero() overflow d98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 61.901461<4>[ 65.811719] ------------[ cut here ]------------ ] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f96160fc<4>[ 65.823354] refcount_t: saturated; leaking memory. 473 # [ 61.909705] RDX: 0000000000000009 RSI: 00007f9615ff000<4>[ 65.835244] WARNING: CPU: 3 PID: 2031 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 0 RDI: 0000000000000001 # [ 61.917955] RBP: 00007f9615ff0000 <4>[ 65.851175] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_usbpd_charger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table R08: 00007f9615fef010 R09: 0000000000000000 # [ 61.926217] R1<4>[ 65.897301] CPU: 3 PID: 2031 Comm: cat Tainted: G D W 5.10.182-cip35 #1 0: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 65.912380] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 61.934476] R13: 0000000000000001 R14: 0000000000020000 R1<4>[ 65.925515] RIP: 0010:refcount_warn_saturate+0x97/0x110 5: 0000000000020000 # WRITE_RO: saw 'call trace:': ok ok 39 se<4>[ 65.937829] Code: 01 01 e8 03 ee c0 00 0f 0b c3 cc cc cc cc 80 3d dc f1 f6 01 00 75 a8 48 c7 c7 28 3f 55 83 c6 05 cc f1 f6 01 01 e8 e0 ed c0 00 <0f> 0b c3 cc cc cc cc 80 3d b6 f1 f6 01 00 75 85 48 c7 c7 80 3f 55 lftests: lkdtm: WRITE_RO.sh # selftests: lkdtm: WRITE_RO_AFTER_<4>[ 65.965281] RSP: 0018:ffffa6d6c271fe38 EFLAGS: 00010282 INIT.sh # Killed # [ 62.339562] lkdtm: Performing direct ent<4>[ 65.977588] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 ry WRITE_RO_AFTER_INIT # [ 62.346701] lkdtm: attempting bad r<4>[ 65.992067] RDX: ffff930a3bdac660 RSI: ffff930a3bd9bf70 RDI: ffff930a3bd9bf70 o_after_init write at ffffffff8367e330 # [ 62.354630] BUG: un<4>[ 66.006500] RBP: ffffffff835f8c00 R08: 0000000000000000 R09: 0000000000000000 able to handle page fault for address: ffffffff8367e330 # [ 6<4>[ 66.020976] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f 2.362595] #PF: supervisor write access in kernel mode # [ 62.<4>[ 66.035423] R13: ffffa6d6c271ff10 R14: ffffa6d6c271ff10 R15: ffff9309c2bf2000 368705] #PF: error_code(0x0003) - permissions violation # [ 6<4>[ 66.049892] FS: 00007f7f506f0580(0000) GS:ffff930a3bd80000(0000) knlGS:0000000000000000 2.375204] PGD 76429067 P4D 76429067 PUD 7642a063 PMD 105998163 P<4>[ 66.065438] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 TE 800000007627e061 # [ 62.390445] Oops: 0003 [#15] SMP PTI <4>[ 66.078333] CR2: 00007f7f504fa000 CR3: 00000001046a6000 CR4: 00000000003506e0 # [ 62.394726] CPU: 2 PID: 1897 Comm: cat Tainted: G D W <4>[ 66.092879] Call Trace: 5.10.182-cip35 #1 # [ 62.403665] Hardware name: Googl<4>[ 66.102392] ? __warn+0x80/0x110 e Coral/Coral, BIOS 09/29/2020 # [ 62.410572] RIP: 0010:lkdt<4>[ 66.112201] ? refcount_warn_saturate+0x97/0x110 m_WRITE_RO_AFTER_INIT+0x4e/0x5a # [ 62.416883] Code: 9d 5f 83<4>[ 66.124039] ? report_bug+0x9e/0xc0 e9 c9 d9 fb ff 48 c7 c7 f0 9d 5f 83 e8 bd d9 fb ff 48 8b 05 55 <4>[ 66.134452] ? handle_bug+0x41/0x90 0c e7 00 ba 34 12 cd ab 48 c7 c7 98 9d 5f 83 48 31 d0 <48> 89 05<4>[ 66.144633] ? exc_invalid_op+0x14/0x70 3f 0c e7 00 e9 9b d9 fb ff 0f 1f 44 00 00 41 54 48 c7 c7 # [ <4>[ 66.155559] ? asm_exc_invalid_op+0x12/0x20 62.438130] RSP: 0018:ffffa6d6c253fe60 EFLAGS: 00010202 # [ 6<4>[ 66.166668] ? refcount_warn_saturate+0x97/0x110 2.444256] RAX: 00000000fe67479e RBX: 0000000000000029 RCX: 00000<4>[ 66.178355] ? refcount_warn_saturate+0x97/0x110 00000000000 # [ 62.452497] RDX: 00000000abcd1234 RSI: ffff930<4>[ 66.190031] __refcount_add_not_zero.constprop.0+0x2a/0x35 a3bd1bf70 RDI: ffffffff835f9d98 # [ 62.460745] RBP: ffffffff8<4>[ 66.202617] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x76 35f8f8e R08: 0000000000000000 R09: 0000000000000000 # [ 62.46<4>[ 66.215292] direct_entry.cold+0x2c/0x38 8998] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000<4>[ 66.226199] full_proxy_write+0x56/0x80 0000014 # [ 62.477246] R13: ffffa6d6c253ff10 R14: ffffa6d6c25<4>[ 66.236940] vfs_write+0xea/0x3b0 3ff10 R15: ffff9309c3cfa000 # [ 62.485495] FS: 00007f04bc373<4>[ 66.247175] ksys_write+0x68/0xf0 580(0000) GS:ffff930a3bd00000(0000) knlGS:0000000000000000 # [ <4>[ 66.257395] do_syscall_64+0x33/0x40 62.494797] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 66.267852] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 62.501490] CR2: ffffffff8367e330 CR3: 0000000105cea000 CR4<4>[ 66.279983] RIP: 0033:0x7f7f50606473 : 00000000003506e0 # [ 62.509739] Call Trace: # [ 62.51276<4>[ 66.290451] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 9] ? __die_body.cold+0x1a/0x1f # [ 62.517445] ? no_context+<4>[ 66.317868] RSP: 002b:00007fff4ff6c2c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 0x177/0x380 # [ 62.521827] ? exc_page_fault+0xd7/0x170 # [ <4>[ 66.332863] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f7f50606473 62.526495] ? asm_exc_page_fault+0x1e/0x30 # [ 62.531460] <4>[ 66.347127] RDX: 000000000000001f RSI: 00007f7f504fa000 RDI: 0000000000000001 ? lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a # [ 62.537104] direct_<4>[ 66.361627] RBP: 00007f7f504fa000 R08: 00007f7f504f9010 R09: 0000000000000000 entry.cold+0x2c/0x38 # [ 62.541779] full_proxy_write+0x56/0x<4>[ 66.376058] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 80 # [ 62.546354] vfs_write+0xea/0x3b0 # [ 62.550346] ks<4>[ 66.390535] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ys_write+0x68/0xf0 # [ 62.554337] do_syscall_64+0x33/0x40 #<4>[ 66.404980] irq event stamp: 0 [ 62.558612] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ <4>[ 66.414885] hardirqs last enabled at (0): [<0000000000000000>] 0x0 62.564540] RIP: 0033:0x7f04bc289473 # [ 62.568821] Code: 8b <4>[ 66.428419] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 0<4>[ 66.444032] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 0 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> <4>[ 66.459773] softirqs last disabled at (0): [<0000000000000000>] 0x0 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 66.473195] ---[ end trace bf7d0a621a4c6673 ]--- # [ 62.590050] RSP: 002b:00007ffcab64ec38 EFLAGS: 00000246 ORI<6>[ 66.484888] lkdtm: Overflow detected: saturated G_RAX: 0000000000000001 # [ 62.598788] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f04bc289473 # [ 62.607035] RDX: 0000000000000014 RSI: 00007f04bc17d000 RDI: 0000000000000001 # [ 62.615284] RBP: 00007f04bc17d000 R08: 00007f04bc17c010 R09: 0000000000000000 # [ 62.623541] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 62.631802] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 62.640074] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_usbpd_charger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 62.686289] CR2: ffffffff8367e330 # [ 62.690276] ---[ end trace bf7d0a621a4c666f ]--- # [ 62.695720] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 62.700383] Code: 89 ff e8 3e e6 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 50 56 e9 02 # [ 62.721611] RSP: 0018:ffffa6d6c1257e60 EFLAGS: 00010282 # [ 62.727726] RAX: ffffffff82179540 RBX: 0000000000000001 RCX: 0000000000000000 # [ 62.735968] RDX: 0000000000000000 RSI: ffff930a3bd1bf70 RDI: ffffffff8317e850 # [ 62.744210] RBP: ffffffff8365d410 R08: 0000000000000001 R09: 0000000000000001 # [ 62.752455] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 62.760699] R13: ffffa6d6c1257f10 R14: ffffa6d6c1257f10 R15: ffff9309c4524000 # [ 62.768956] FS: 00007f04bc373580(0000) GS:ffff930a3bd00000(0000) knlGS:0000000000000000 # [ 62.778274] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 62.784974] CR2: ffffffff8367e330 CR3: 0000000105cea000 CR4: 00000000003506e0 # WRITE_RO_AFTER_INIT: saw 'call trace:': ok ok 40 selftests: lkdtm: WRITE_RO_AFTER_INIT.sh # selftests: lkdtm: WRITE_KERN.sh # Killed # [ 63.123683] lkdtm: Performing direct entry WRITE_KERN # [ 63.134082] lkdtm: attempting bad 6896875 byte write at ffffffff8280d5fb # [ 63.141914] BUG: unable to handle page fault for address: ffffffff8280d5fb # [ 63.149884] #PF: supervisor write access in kernel mode # [ 63.156007] #PF: error_code(0x0003) - permissions violation # [ 63.162517] PGD 76429067 P4D 76429067 PUD 7642a063 PMD 754001e1 # [ 63.175710] Oops: 0003 [#16] SMP PTI # [ 63.179987] CPU: 2 PID: 1932 Comm: cat Tainted: G D W 5.10.182-cip35 #1 # [ 63.195127] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 63.202038] RIP: 0010:lkdtm_WRITE_KERN+0x38/0x4e # [ 63.207486] Code: 53 48 c7 c3 fb d5 80 82 49 89 dc 48 89 da 49 81 ec 10 99 17 82 4c 89 e6 e8 70 d9 fb ff 48 89 df 4c 89 e1 48 c7 c6 10 99 17 82 a4 48 c7 c7 98 9d 5f 83 e8 55 d9 fb ff 5b 41 5c e9 b7 fe ff ff # [ 63.228735] RSP: 0018:ffffa6d6c25afe50 EFLAGS: 00010246 # [ 63.234861] RAX: 000000000000003c RBX: ffffffff8280d5fb RCX: 0000000000693ceb # [ 63.243113] RDX: 0000000000000000 RSI: ffffffff82179910 RDI: ffffffff8280d5fb # [ 63.251367] RBP: ffffffff835f8fa2 R08: 0000000000000000 R09: 0000000000000000 # [ 63.259612] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000693ceb # [ 63.267857] R13: ffffa6d6c25aff10 R14: ffffa6d6c25aff10 R15: ffff9309c327d000 # [ 63.276101] FS: 00007fe80124d580(0000) GS:ffff930a3bd00000(0000) knlGS:0000000000000000 # [ 63.285412] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 63.292108] CR2: f<6>[ 66.849933] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW fffffff8280d5fb CR3: 00000001059aa000 CR4: 00000000003506e0 # [<6>[ 66.858008] lkdtm: attempting bad refcount_add_not_zero() overflow 63.300356] Call Trace: # [ 63.303383] ? __die_body.cold+0<4>[ 66.871441] ------------[ cut here ]------------ x1a/0x1f # [ 63.308055] ? no_context+0x177/0x380 # [ 63.3<4>[ 66.883097] refcount_t: saturated; leaking memory. 12441] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 # [ 63.318179]<4>[ 66.894984] WARNING: CPU: 3 PID: 2063 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 ? exc_page_fault+0xd7/0x170 # [ 63.322851] ? asm_exc_page_<4>[ 66.910850] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_usbpd_charger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table fault+0x1e/0x30 # [ 63.327817] ? lkdtm_SLAB_FREE_CROSS.cold+<4>[ 66.957077] CPU: 3 PID: 2063 Comm: cat Tainted: G D W 5.10.182-cip35 #1 0x32/0x32 # [ 63.333552] ? lkdtm_SLAB_FREE_PAGE+0x40/0x40 #<4>[ 66.972176] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 63.338700] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 # [ 6<4>[ 66.985260] RIP: 0010:refcount_warn_saturate+0x97/0x110 3.344432] ? lkdtm_WRITE_KERN+0x38/0x4e # [ 63.349195] direc<4>[ 66.997578] Code: 01 01 e8 03 ee c0 00 0f 0b c3 cc cc cc cc 80 3d dc f1 f6 01 00 75 a8 48 c7 c7 28 3f 55 83 c6 05 cc f1 f6 01 01 e8 e0 ed c0 00 <0f> 0b c3 cc cc cc cc 80 3d b6 f1 f6 01 00 75 85 48 c7 c7 80 3f 55 t_entry.cold+0x2c/0x38 # [ 63.353865] full_proxy_write+0x56/<4>[ 67.025059] RSP: 0018:ffffa6d6c275fe38 EFLAGS: 00010282 0x80 # [ 63.358436] vfs_write+0xea/0x3b0 # [ 63.362424] <4>[ 67.037377] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 ksys_write+0x68/0xf0 # [ 63.366417] do_syscall_64+0x33/0x40 <4>[ 67.051857] RDX: ffff930a3bdac660 RSI: ffff930a3bd9bf70 RDI: ffff930a3bd9bf70 # [ 63.370692] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [<4>[ 67.066319] RBP: ffffffff835f8c20 R08: 0000000000000000 R09: 0000000000000000 63.382811] RIP: 0033:0x7fe801163473 # [ 63.387090] Code: 8<4>[ 67.080829] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f<4>[ 67.095287] R13: ffffa6d6c275ff10 R14: ffffa6d6c275ff10 R15: ffff9309c3d60000 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48<4>[ 67.109789] FS: 00007fd5775d0580(0000) GS:ffff930a3bd80000(0000) knlGS:0000000000000000 > 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18<4>[ 67.125320] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 63.408319] RSP: 002b:00007ffe88140408 EFLAGS: 00000246 O<4>[ 67.138318] CR2: 00007fd5773da000 CR3: 0000000105cea000 CR4: 00000000003506e0 RIG_RAX: 0000000000000001 # [ 63.417062] RAX: ffffffffffffffd<4>[ 67.153104] Call Trace: a RBX: 000000000000000b RCX: 00007fe801163473 # [ 63.425318] <4>[ 67.162054] ? __warn+0x80/0x110 RDX: 000000000000000b RSI: 00007fe801057000 RDI: 000000000000000<4>[ 67.172336] ? refcount_warn_saturate+0x97/0x110 1 # [ 63.433568] RBP: 00007fe801057000 R08: 00007fe801056010 <4>[ 67.183950] ? report_bug+0x9e/0xc0 R09: 0000000000000000 # [ 63.441820] R10: fffffffffffffbc5 R1<4>[ 67.194320] ? handle_bug+0x41/0x90 1: 0000000000000246 R12: 0000000000000001 # [ 63.450068] R13:<4>[ 67.204659] ? exc_invalid_op+0x14/0x70 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 #<4>[ 67.215472] ? asm_exc_invalid_op+0x12/0x20 [ 63.458326] Modules linked in: fuse ip_tables uvcvideo video<4>[ 67.226627] ? refcount_warn_saturate+0x97/0x110 buf2_vmalloc videobuf2_memops cros_ec_lightbar cros_ec_sysfs cro<4>[ 67.238340] ? refcount_warn_saturate+0x97/0x110 s_ec_chardev cros_usbpd_logger cros_usbpd_charger cros_ec_debugf<4>[ 67.249939] __refcount_add_not_zero.constprop.0+0x2a/0x35 s videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_d<4>[ 67.262619] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x76 a7219 videobuf2_common snd_soc_max98357a snd_soc_core cros_usbpd<4>[ 67.275414] direct_entry.cold+0x2c/0x38 _notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chrome<4>[ 67.286254] full_proxy_write+0x56/0x80 os_pstore coreboot_table # [ 63.498366] CR2: ffffffff8280d5fb<4>[ 67.297049] vfs_write+0xea/0x3b0 # [ 63.502353] ---[ end trace bf7d0a621a4c6670 ]--- # [ 6<4>[ 67.307241] ksys_write+0x68/0xf0 3.507794] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 63.512455] Code: 8<4>[ 67.317466] do_syscall_64+0x33/0x40 9 ff e8 3e e6 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff<4>[ 67.327898] entry_SYSCALL_64_after_hwframe+0x61/0xc6 ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f<4>[ 67.340159] RIP: 0033:0x7fd5774e6473 > 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 50 56 e9 02<4>[ 67.350662] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 63.533683] RSP: 0018:ffffa6d6c1257e60 EFLAGS: 00010282 <4>[ 67.378177] RSP: 002b:00007ffe0258e6f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 63.539799] RAX: ffffffff82179540 RBX: 0000000000000001 RCX<4>[ 67.393119] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fd5774e6473 : 0000000000000000 # [ 63.548049] RDX: 0000000000000000 RSI: <4>[ 67.407572] RDX: 000000000000001f RSI: 00007fd5773da000 RDI: 0000000000000001 ffff930a3bd1bf70 RDI: ffffffff8317e850 # [ 63.556300] RBP: ff<4>[ 67.422084] RBP: 00007fd5773da000 R08: 00007fd5773d9010 R09: 0000000000000000 ffffff8365d410 R08: 0000000000000001 R09: 0000000000000001 # [ <4>[ 67.436545] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 63.564547] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 00<4>[ 67.451081] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 00000000000004 # [ 63.572791] R13: ffffa6d6c1257f10 R14: ffff<4>[ 67.465534] irq event stamp: 0 a6d6c1257f10 R15: ffff9309c4524000 # [ 63.581048] FS: 00007f<4>[ 67.475373] hardirqs last enabled at (0): [<0000000000000000>] 0x0 e80124d580(0000) GS:ffff930a3bd00000(0000) knlGS:000000000000000<4>[ 67.488965] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 0 # [ 63.590376] CS: 0010 DS: 0000 ES: 0000 CR0: 00000000800<4>[ 67.504499] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 50033 # [ 63.597073] CR2: ffffffff8280d5fb CR3: 00000001059aa<4>[ 67.520244] softirqs last disabled at (0): [<0000000000000000>] 0x0 000 CR4: 00000000003506e0 # [ 63.605332] BUG: sleeping functi<4>[ 67.533617] ---[ end trace bf7d0a621a4c6674 ]--- on called from invalid context at include/linux/percpu-rwsem.h:4<6>[ 67.545334] lkdtm: Overflow detected: saturated 9 # [ 63.615516] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1932, name: cat # [ 63.624257] INFO: lockdep is turned off. # [ 63.628925] irq event stamp: 0 # [ 63.632620] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 63.639908] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 63.649329] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 63.658761] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 63.666058] CPU: 2 PID: 1932 Comm: cat Tainted: G D W 5.10.182-cip35 #1 # [ 63.675000] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 63.681893] Call Trace: # [ 63.684919] dump_stack+0x77/0x9b # [ 63.688914] ___might_sleep.cold+0xa6/0xb6 # [ 63.693783] exit_signals+0x1c/0x300 # [ 63.698069] do_exit+0xc2/0xab0 # [ 63.701861] ? ksys_write+0x68/0xf0 # [ 63.706052] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 # [ 63.711794] make_task_dead+0x2f/0x30 # [ 63.716170] rewind_stack_and_make_dead+0x17/0x20 # [ 63.721702] RIP: 0033:0x7fe801163473 # [ 63.725984] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 63.747233] RSP: 002b:00007ffe88140408 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 63.755971] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007fe801163473 # [ 63.764216] RDX: 000000000000000b RSI: 00007fe801057000 RDI: 0000000000000001 # [ 63.772467] RBP: 00007fe801057000 R08: 00007fe801056010 R09: 0000000000000000 # [ 63.780716] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 63.788964] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # WRITE_KERN: saw 'call trace:': ok ok 41 selftests: lkdtm: WRITE_KERN.sh # selftests: lkdtm: REFCOUNT_INC_OVERFLOW.sh # [ 64.208273] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW # [ 64.220100] lkdtm: attempting good refcount_inc() without overflow # [ 64.227313] lkdtm: attempting bad refcount_inc() overflow # [ 64.233661] ------------[ cut here ]------------ # [ 64.239119] refcount_t: saturated; leaking memory. # [ 64.244830] WARNING: CPU: 0 PID: 1967 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 64.254550] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_usbpd_charger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 64.300758] CPU: 0 PID: 1967 Comm: cat Tainted: G D W 5.10.182-cip35 #1 # [ 64.309721] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 64.316636] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 64.322775] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 21 f2 f6 01 00 75 ee 48 c7 c7 28 3f 55 83 c6 05 11 f2 f6 01 01 e8 26 ee c0 00 <0f> 0b c3 cc cc cc cc 80 3d fd f1 f6 01 00 75 cb 48 c7 c7 50 3f 55 # [ 64.344026] RSP: 0018:ffffa6d6c260fe48 EFLAGS: 00010286 # [ 64.350164] RAX: 0000000000000000 RBX: 000000000000002b RCX: 0000000000000000 # [ 64.358430] RDX: ffff930a3bc2c660 RSI: ffff930a3bc1bf70 RDI: ffff<6>[ 67.888855] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO 930a3bc1bf70 # [ 64.366705] RBP: ffffffff835f8fad R08: 000000<6>[ 67.898668] lkdtm: attempting good refcount_dec() 0000000000 R09: 0000000000000000 # [ 64.374972] R10: 00000000<6>[ 67.910409] lkdtm: attempting bad refcount_dec() to zero ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 64.3<4>[ 67.922830] ------------[ cut here ]------------ <4>[ 67.934507] refcount_t: decrement hit 0; leaking memory. <4>[ 67.940807] WARNING: CPU: 0 PID: 2095 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 83236] R13: ffffa6d6c260ff10 R14: ffffa6d6c260ff10 R15: ffff9309<4>[ 67.950550] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_usbpd_charger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table <4>[ 67.996874] CPU: 0 PID: 2095 Comm: cat Tainted: G D W 5.10.182-cip35 #1 <4>[ 68.005859] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 68.012782] RIP: 0010:refcount_warn_saturate+0xfb/0x110 <4>[ 68.018924] Code: d8 3f 55 83 c6 05 7d f1 f6 01 01 e8 96 ed c0 00 0f 0b c3 cc cc cc cc 48 c7 c7 a8 3f 55 83 c6 05 64 f1 f6 01 01 e8 7c ed 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>[ 68.040174] RSP: 0018:ffffa6d6c2807e48 EFLAGS: 00010286 <4>[ 68.046320] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000 <4>[ 68.054590] RDX: ffff930a3bc2c660 RSI: ffff930a3bc1bf70 RDI: ffff930a3bc1bf70 <4>[ 68.062855] RBP: ffffffff835f8fd9 R08: 0000000000000000 R09: 0000000000000000 <4>[ 68.071123] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 <4>[ 68.079394] R13: ffffa6d6c2807f10 R14: ffffa6d6c2807f10 R15: ffff9309c689f000 <4>[ 68.087664] FS: 00007f59ab5f0580(0000) GS:ffff930a3bc00000(0000) knlGS:0000000000000000 c6a04000 # [ 64.391511] FS: 00007fc470af2580(0000) GS:ffff93<4>[ 68.096998] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 68.109905] CR2: 00007f59ab3fa000 CR3: 0000000103cfa000 CR4: 00000000003506f0 <4>[ 68.118174] Call Trace: <4>[ 68.121228] ? __warn+0x80/0x110 <4>[ 68.125146] ? refcount_warn_saturate+0xfb/0x110 <4>[ 68.130608] ? report_bug+0x9e/0xc0 <4>[ 68.134815] ? handle_bug+0x41/0x90 <4>[ 68.139017] ? exc_invalid_op+0x14/0x70 <4>[ 68.143610] ? asm_exc_invalid_op+0x12/0x20 <4>[ 68.148599] ? refcount_warn_saturate+0xfb/0x110 <4>[ 68.154070] ? refcount_warn_saturate+0xfb/0x110 <4>[ 68.159541] lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xbd <4>[ 68.164812] direct_entry.cold+0x2c/0x38 <4>[ 68.169512] full_proxy_write+0x56/0x80 <4>[ 68.174115] vfs_write+0xea/0x3b0 0a3bc00000(0000) knlGS:0000000000000000 # [ 64.400833] CS: 0<4>[ 68.178128] ksys_write+0x68/0xf0 010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 64.407546] CR<4>[ 68.188332] do_syscall_64+0x33/0x40 2: 00007fc4708fc000 CR3: 0000000103fda000 CR4: 00000000003506f0 <4>[ 68.198813] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 64.415813] Call Trace: # [ 64.418864] ? __warn+0x80/0<4>[ 68.210949] RIP: 0033:0x7f59ab506473 <4>[ 68.221426] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 68.242675] RSP: 002b:00007ffe72e69bd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 68.251432] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f59ab506473 <4>[ 68.259695] RDX: 0000000000000012 RSI: 00007f59ab3fa000 RDI: 0000000000000001 x110 # [ 64.422774] ? refcount_warn_saturate+0x51/0x110 # [<4>[ 68.267961] RBP: 00007f59ab3fa000 R08: 00007f59ab3f9010 R09: 0000000000000000 <4>[ 68.282422] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 68.290689] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 64.428235] ? report_bug+0x9e/0xc0 # [ 64.432444] ? handl<4>[ 68.298969] irq event stamp: 0 <4>[ 68.308874] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 68.316170] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 <4>[ 68.325605] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 <4>[ 68.335038] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 68.342337] ---[ end trace bf7d0a621a4c6675 ]--- <6>[ 68.347797] lkdtm: Zero detected: saturated e_bug+0x41/0x90 # [ 64.436645] ? exc_invalid_op+0x14/0x70 # [ 64.441241] ? asm_exc_invalid_op+0x12/0x20 # [ 64.446228] ? refcount_warn_saturate+0x51/0x110 # [ 64.451690] ? refcount_warn_saturate+0x51/0x110 # [ 64.457155] lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x98 # [ 64.462815] direct_entry.cold+0x2c/0x38 # [ 64.467514] full_proxy_write+0x56/0x80 # [ 64.472119] vfs_write+0xea/0x3b0 # [ 64.476136] ksys_write+0x68/0xf0 # [ 64.480158] do_syscall_64+0x33/0x40 # [ 64.484458] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 64.496597] RIP: 0033:0x7fc470a08473 # [ 64.507068] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 64.534519] RSP: 002b:00007ffed246d9d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 64.543279] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fc470a08473 # [ 64.551557] RDX: 0000000000000016 RSI: 00007fc4708fc000 RDI: 0000000000000001 # [ 64.559882] RBP: 00007fc4708fc000 R08: 00007fc4708fb010 R09: 0000000000000000 # [ 64.568176] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 64.576445] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 64.584732] irq event stamp: 0 # [ 64.588446] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 64.595744] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 64.605174] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 64.614592] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 64.621936] ---[ end trace bf7d0a621a4c6671 ]--- # [ 64.627396] 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 # [ 64.962917] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW # [ 64.974873] lkdtm: attempting good refcount_add() without overflow # [ 64.982080] lkdtm: attempting bad refcount_add() overflow # [ 64.988435] ------------[ cut here ]------------ # [ 64.993888] refcount_t: saturated; leaking memory. # [ 65.005777] WARNING: CPU: 1 PID: 1999 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 65.021686] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_usbpd_charger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 65.067861] CPU: 1 PID: 1999 Comm: cat Tainted: G D W 5.10.182-cip35 #1 # [ 65.076813] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 65.083731] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 65.089882] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 21 f2 f6 01 00 75 ee 48 c7 c7 28 3f 55 83 c6 05 11 f2 f6 01 01 e8 26 ee c0 00 <0f> 0b c3 cc cc cc cc 80 3d fd f1 f6 01 00 75 cb 48 c7 c7 50 3f 55 # [ 65.111151] RSP: 0018:ffffa6d6c269fe48 EFLAGS: 00010286 # [ 65.117286] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000 # [ 65.125542] RDX: ffff930a3bcac660 RSI: ffff930a3bc9bf70 RDI: ffff930a3bc9bf70 # [ 65.133804] RBP: ffffffff835f8fc3 R08: 0000000000000000 R09: 0000000000000000 # [ 65.142069] R10: 00000000ffffe000 R11:<6>[ 68.694157] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE 3fffffffffffffff R12: 0000000000000016 # [ 65.150333] R13: f<6>[ 68.707257] lkdtm: attempting bad refcount_dec() below zero fffa6d6c269ff10 R14: ffffa6d6c269ff10 R15: ffff9309c2769000 # [<4>[ 68.719987] ------------[ cut here ]------------ 65.158608] FS: 00007f70d9aa8580(0000) GS:ffff930a3bc80000(00<4>[ 68.731678] refcount_t: decrement hit 0; leaking memory. 00) knlGS:0000000000000000 # [ 65.167938] CS: 0010 DS: 0000 <4>[ 68.744204] WARNING: CPU: 3 PID: 2130 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 ES: 0000 CR0: 0000000080050033 # [ 65.174656] CR2: 00007f70d9<4>[ 68.760061] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_usbpd_charger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table 8b2000 CR3: 0000000105e38000 CR4: 00000000003506e0 # [ 65.189<4>[ 68.806216] CPU: 3 PID: 2130 Comm: cat Tainted: G D W 5.10.182-cip35 #1 114] Call Trace: # [ 65.192161] ? __warn+0x80/0x110 # [ 6<4>[ 68.821401] Hardware name: Google Coral/Coral, BIOS 09/29/2020 5.196070] ? refcount_warn_saturate+0x51/0x110 # [ 65.207695]<4>[ 68.834739] RIP: 0010:refcount_warn_saturate+0xfb/0x110 ? report_bug+0x9e/0xc0 # [ 65.218093] ? handle_bug+0x41/0x<4>[ 68.846873] Code: d8 3f 55 83 c6 05 7d f1 f6 01 01 e8 96 ed c0 00 0f 0b c3 cc cc cc cc 48 c7 c7 a8 3f 55 83 c6 05 64 f1 f6 01 01 e8 7c ed c0 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b 90 # [ 65.222300] ? exc_invalid_op+0x14/0x70 # [ 65.22689<4>[ 68.874485] RSP: 0018:ffffa6d6c2867e48 EFLAGS: 00010286 1] ? asm_exc_invalid_op+0x12/0x20 # [ 65.231873] ? refcount<4>[ 68.886758] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000 _warn_saturate+0x51/0x110 # [ 65.237327] ? refcount_warn_sat<4>[ 68.901201] RDX: ffff930a3bdac660 RSI: ffff930a3bd9bf70 RDI: ffff930a3bd9bf70 urate+0x51/0x110 # [ 65.248978] lkdtm_REFCOUNT_ADD_OVERFLOW+<4>[ 68.915676] RBP: ffffffff835f8feb R08: 0000000000000000 R09: 0000000000000000 0x7f/0xa7 # [ 65.260800] direct_entry.cold+0x2c/0x38 # [ <4>[ 68.930091] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 65.271676] full_proxy_write+0x56/0x80 # [ 65.282470] vfs_wr<4>[ 68.944583] R13: ffffa6d6c2867f10 R14: ffffa6d6c2867f10 R15: ffff9309c6a8b000 ite+0xea/0x3b0 # [ 65.292687] ksys_write+0x68/0xf0 # [ 65<4>[ 68.959047] FS: 00007f3fa71f8580(0000) GS:ffff930a3bd80000(0000) knlGS:0000000000000000 .302882] do_syscall_64+0x33/0x40 # [ 65.307233] entry_SYSCA<4>[ 68.974587] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 LL_64_after_hwframe+0x61/0xc6 # [ 65.319366] RIP: 0033:0x7f70<4>[ 68.987454] CR2: 00007f3fa7002000 CR3: 0000000103258000 CR4: 00000000003506e0 d99be473 # [ 65.329849] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 0<4>[ 69.001929] Call Trace: 2 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85<4>[ 69.011167] ? __warn+0x80/0x110 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1<4>[ 69.021283] ? refcount_warn_saturate+0xfb/0x110 f 40 00 48 83 ec 28 48 89 54 24 18 # [ 65.351089] RSP: 002b:0<4>[ 69.032886] ? report_bug+0x9e/0xc0 0007ffc20aa36c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [<4>[ 69.043323] ? handle_bug+0x41/0x90 65.359844] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 0<4>[ 69.053632] ? exc_invalid_op+0x14/0x70 0007f70d99be473 # [ 65.368107] RDX: 0000000000000016 RSI: 000<4>[ 69.064375] ? asm_exc_invalid_op+0x12/0x20 07f70d98b2000 RDI: 0000000000000001 # [ 65.376368] RBP: 00007<4>[ 69.075722] ? refcount_warn_saturate+0xfb/0x110 f70d98b2000 R08: 00007f70d98b1010 R09: 0000000000000000 # [ 6<4>[ 69.087206] ? refcount_warn_saturate+0xfb/0x110 5.384631] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 00000<4>[ 69.098828] lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x61 00000000001 # [ 65.392895] R13: 0000000000000001 R14: 0000000<4>[ 69.110735] direct_entry.cold+0x2c/0x38 000020000 R15: 0000000000020000 # [ 65.401172] irq event stam<4>[ 69.121570] full_proxy_write+0x56/0x80 p: 0 # [ 65.404888] hardirqs last enabled at (0): [<00000000<4>[ 69.132409] vfs_write+0xea/0x3b0 00000000>] 0x0 # [ 65.412192] hardirqs last disabled at (0): <4>[ 69.142564] ksys_write+0x68/0xf0 [] copy_process+0x664/0x1c60 # [ 65.421626]<4>[ 69.152771] do_syscall_64+0x33/0x40 softirqs last enabled at (0): [] copy_proces<4>[ 69.163237] entry_SYSCALL_64_after_hwframe+0x61/0xc6 s+0x664/0x1c60 # [ 65.431053] softirqs last disabled at (0): <4>[ 69.175426] RIP: 0033:0x7f3fa710e473 [<0000000000000000>] 0x0 # [ 65.438349] ---[ end trace bf7d0a<4>[ 69.185846] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 621a4c6672 ]--- # [ 65.443794] lkdtm: Overflow detected: satu<4>[ 69.213339] RSP: 002b:00007ffeda306618 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 rated # REFCOUNT_ADD_OVERFLOW: saw 'call trace:': ok ok 43 sel<4>[ 69.228214] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f3fa710e473 ftests: lkdtm: REFCOUNT_ADD_OVERFLOW.sh # selftests: lkdtm: REF<4>[ 69.242691] RDX: 0000000000000016 RSI: 00007f3fa7002000 RDI: 0000000000000001 COUNT_INC_NOT_ZERO_OVERFLOW.sh # [ 65.785234] lkdtm: Performi<4>[ 69.257095] RBP: 00007f3fa7002000 R08: 00007f3fa7001010 R09: 0000000000000000 ng direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW # [ 65.798290]<4>[ 69.271556] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 lkdtm: attempting bad refcount_inc_not_zero() overflow # [ 6<4>[ 69.286006] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 5.811719] ------------[ cut here ]------------ # [ 65.823354]<4>[ 69.300499] irq event stamp: 0 refcount_t: saturated; leaking memory. # [ 65.835244] WARNIN<4>[ 69.310352] hardirqs last enabled at (0): [<0000000000000000>] 0x0 G: CPU: 3 PID: 2031 at lib/refcount.c:19 refcount_warn_saturate+<4>[ 69.323987] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 0x97/0x110 # [ 65.851175] Modules linked in: fuse ip_tables u<4>[ 69.339446] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 vcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros<4>[ 69.355232] softirqs last disabled at (0): [<0000000000000000>] 0x0 _ec_sysfs cros_ec_chardev cros_usbpd_logger cros_usbpd_charger c<4>[ 69.368696] ---[ end trace bf7d0a621a4c6676 ]--- ros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_<6>[ 69.380318] lkdtm: Negative detected: saturated dev snd_soc_da7219 videobuf2_common snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 65.897301] CPU: 3 PID: 2031 Comm: cat Tainted: G D W 5.10.182-cip35 #1 # [ 65.912380] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 65.925515] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 65.937829] Code: 01 01 e8 03 ee c0 00 0f 0b c3 cc cc cc cc 80 3d dc f1 f6 01 00 75 a8 48 c7 c7 28 3f 55 83 c6 05 cc f1 f6 01 01 e8 e0 ed c0 00 <0f> 0b c3 cc cc cc cc 80 3d b6 f1 f6 01 00 75 85 48 c7 c7 80 3f 55 # [ 65.965281] RSP: 0018:ffffa6d6c271fe38 EFLAGS: 00010282 # [ 65.977588] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 # [ 65.992067] RDX: ffff930a3bdac660 RSI: ffff930a3bd9bf70 RDI: ffff930a3bd9bf70 # [ 66.006500] RBP: ffffffff835f8c00 R08: 0000000000000000 R09: 0000000000000000 # [ 66.020976] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 66.035423] R13: ffffa6d6c271ff10 R14: ffffa6d6c271ff10 R15: ffff9309c2bf2000 # [ 66.049892] FS: 00007f7f506f0580(0000) GS:ffff930a3bd80000(0000) knlGS:0000000000000000 # [ 66.065438] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 66.078333] CR2: 00007f7f504fa000 CR3: 00000001046a6000 CR4: 00000000003506e0 # [ 66.092879] Call Trace: # [ 66.102392] ? __warn+0x80/0x110 # [ 66.112201] ? refcount_warn_saturate+0x97/0x110 # [ 66.124039] ? report_bug+0x9e/0xc0 # [ 66.134452] ? handle_bug+0x41/0x90 # [ 66.144633] ? exc_invalid_op+0x14/0x70 # [ 66.155559] ? asm_exc_invalid_op+0x12/0x20 # [ 66.166668] ? refcount_warn_saturate+0x97/0x110 # [ 66.178355] ? refcount_warn_saturate+0x97/0x110 # [ 66.190031] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 66.202617] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x76 # [ 66.215292] direct_entry.cold+0x2c/0x38 # [ 66.226199] full_proxy_write+0x56/0x80 # [ 66.236940] vfs_write+0xea/0x3b0 # [ 66.247175] ksys_write+0x68/0xf0 # [ 66.257395] do_syscall_64+0x33/0x40 # [ 66.267852] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 66.279983] RIP: 0033:0x7f7f50606473 # [ 66.290451] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 66.317868] RSP: 002b:00007fff4ff6c2c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 66.332863] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f7f50606473 # [ 66.347127] RDX: 000000000000001f RSI: 00007f7f504fa000 RDI: 0000000000000001 # [ 66.361627] RBP: 00007f7f504fa000 R08: 00007f7f504f9010 R09: 0000000000000000 # [ 66.376058] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 66.390535] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 66.404980] irq event stamp: 0 # [ 66.414885] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 66.428419] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 66.444032] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 66.459773] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 66.473195] ---[ end trace bf7d0a621a4c6673 ]--- # [ 66.484888] lkdtm: Overflow detected: saturated # REFCOUNT_INC_NOT_ZERO_OVERFLOW: saw 'call trace:': ok ok 44 selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh # selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh # [ 66.849933] lkdtm: Performing direct entry REFCOUNT_ADD_NO<6>[ 69.742499] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE <6>[ 69.752895] lkdtm: attempting bad refcount_dec_and_test() below zero <4>[ 69.760322] ------------[ cut here ]------------ T_ZERO_OVERFLOW # [ 66.858008] lkdtm: attempting bad refcount<4>[ 69.765780] refcount_t: underflow; use-after-free. _add_not_zero() overflow # [ 66.871441] ------------[ cut her<4>[ 69.777671] WARNING: CPU: 0 PID: 2165 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 e ]------------ # [ 66.883097] refcount_t: saturated; leaking<4>[ 69.793535] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_usbpd_charger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table <4>[ 69.839772] CPU: 0 PID: 2165 Comm: cat Tainted: G D W 5.10.182-cip35 #1 <4>[ 69.848735] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 69.855654] RIP: 0010:refcount_warn_saturate+0xba/0x110 <4>[ 69.861796] Code: 01 01 e8 e0 ed c0 00 0f 0b c3 cc cc cc cc 80 3d b6 f1 f6 01 00 75 85 48 c7 c7 80 3f 55 83 c6 05 a6 f1 f6 01 01 e8 bd ed c0 00 <0f> 0b c3 cc cc cc cc 80 3d 91 f1 f6 01 00 0f 85 5e ff ff ff 48 c7 <4>[ 69.883076] RSP: 0018:ffffa6d6c28f7e40 EFLAGS: 00010286 <4>[ 69.889228] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000 <4>[ 69.897510] RDX: ffff930a3bc2c660 RSI: ffff930a3bc1bf70 RDI: ffff930a3bc1bf70 <4>[ 69.905790] RBP: ffffffff835f8c40 R08: 0000000000000000 R09: 0000000000000000 <4>[ 69.914060] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f <4>[ 69.922328] R13: ffffa6d6c28f7f10 R14: ffffa6d6c28f7f10 R15: ffff9309c489f000 <4>[ 69.930598] FS: 00007f7798a2f580(0000) GS:ffff930a3bc00000(0000) knlGS:0000000000000000 <4>[ 69.939937] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 69.946651] CR2: 00007f7798839000 CR3: 00000001046b6000 CR4: 00000000003506f0 memory. # [ 66.894984] WARNING: CPU: 3 PID: 2063 at lib/refc<4>[ 69.954916] Call Trace: ount.c:19 refcount_warn_saturate+0x97/0x110 # [ 66.910850] Mo<4>[ 69.964153] ? __warn+0x80/0x110 <4>[ 69.974255] ? refcount_warn_saturate+0xba/0x110 <4>[ 69.979716] ? report_bug+0x9e/0xc0 <4>[ 69.983922] ? handle_bug+0x41/0x90 <4>[ 69.988128] ? exc_invalid_op+0x14/0x70 <4>[ 69.992720] ? asm_exc_invalid_op+0x12/0x20 <4>[ 69.997710] ? refcount_warn_saturate+0xba/0x110 <4>[ 70.003184] __refcount_sub_and_test.constprop.0+0x3c/0x50 <4>[ 70.009624] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x78 <4>[ 70.016168] direct_entry.cold+0x2c/0x38 <4>[ 70.020863] full_proxy_write+0x56/0x80 <4>[ 70.025457] vfs_write+0xea/0x3b0 <4>[ 70.029471] ksys_write+0x68/0xf0 <4>[ 70.033481] do_syscall_64+0x33/0x40 <4>[ 70.037788] entry_SYSCALL_64_after_hwframe+0x61/0xc6 dules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc video<4>[ 70.043750] RIP: 0033:0x7f7798945473 buf2_memops cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_<4>[ 70.054219] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 70.081632] RSP: 002b:00007ffc96ba97b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 70.090387] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f7798945473 <4>[ 70.098653] RDX: 000000000000001f RSI: 00007f7798839000 RDI: 0000000000000001 <4>[ 70.106930] RBP: 00007f7798839000 R08: 00007f7798838010 R09: 0000000000000000 <4>[ 70.115201] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 70.123466] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 70.131749] irq event stamp: 0 <4>[ 70.135468] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 70.142775] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 <4>[ 70.152218] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 <4>[ 70.161666] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 70.168977] ---[ end trace bf7d0a621a4c6677 ]--- <6>[ 70.174447] lkdtm: Negative detected: saturated usbpd_logger cros_usbpd_charger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 66.957077] CPU: 3 PID: 2063 Comm: cat Tainted: G D W 5.10.182-cip35 #1 # [ 66.972176] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 66.985260] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 66.997578] Code: 01 01 e8 03 ee c0 00 0f 0b c3 cc cc cc cc 80 3d dc f1 f6 01 00 75 a8 48 c7 c7 28 3f 55 83 c6 05 cc f1 f6 01 01 e8 e0 ed c0 00 <0f> 0b c3 cc cc cc cc 80 3d b6 f1 f6 01 00 75 85 48 c7 c7 80 3f 55 # [ 67.025059] RSP: 0018:ffffa6d6c275fe38 EFLAGS: 00010282 # [ 67.037377] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 # [ 67.051857] RDX: ffff930a3bdac660 RSI: ffff930a3bd9bf70 RDI: ffff930a3bd9bf70 # [ 67.066319] RBP: ffffffff835f8c20 R08: 0000000000000000 R09: 0000000000000000 # [ 67.080829] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 67.095287] R13: ffffa6d6c275ff10 R14: ffffa6d6c275ff10 R15: ffff9309c3d60000 # [ 67.109789] FS: 00007fd5775d0580(0000) GS:ffff930a3bd80000(0000) knlGS:0000000000000000 # [ 67.125320] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 67.138318] CR2: 00007fd5773da000 CR3: 0000000105cea000 CR4: 00000000003506e0 # [ 67.153104] Call Trace: # [ 67.162054] ? __warn+0x80/0x110 # [ 67.172336] ? refcount_warn_saturate+0x97/0x110 # [ 67.183950] ? report_bug+0x9e/0xc0 # [ 67.194320] ? handle_bug+0x41/0x90 # [ 67.204659] ? exc_invalid_op+0x14/0x70 # [ 67.215472] ? asm_exc_invalid_op+0x12/0x20 # [ 67.226627] ? refcount_warn_saturate+0x97/0x110 # [ 67.238340] ? refcount_warn_saturate+0x97/0x110 # [ 67.249939] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 67.262619] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x76 # [ 67.275414] direct_entry.cold+0x2c/0x38 # [ 67.286254] full_proxy_write+0x56/0x80 # [ 67.297049] vfs_write+0xea/0x3b0 # [ 67.307241] ksys_write+0x68/0xf0 # [ 67.317466] do_syscall_64+0x33/0x40 # [ 67.327898] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 67.340159] RIP: 0033:0x7fd5774e6473 # [ 67.350662] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 67.378177] RSP: 002b:00007ffe0258e6f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 67.393119] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fd5774e6473 # [ 67.407572] RDX: 000000000000001f RSI: 00007fd5773da000 RDI: 0000000000000001 # [ 67.422084] RBP: 00007fd5773da000 R08: 00007fd5773d9010 R09: 0000000000000000 # [ 67.436545] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 67.451081] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 67.465534] irq event stamp: 0 # [ 67.475373] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 67.488965] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 67.504499] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 67.520244] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 67.533617] ---[ end trace bf7d0a621a4c6674 ]--- # [ 67.545334] lkdtm: Overflow detected: saturated # REFCOUNT_ADD_NOT_ZERO_OVERFLOW: saw 'call trace:': ok ok 45 selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh # selftests: lkdtm: REFCOUNT_DEC_ZERO.sh # [ 67.888855] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO # [ 67.898668] lkdtm: attempting good <6>[ 70.540197] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE <6>[ 70.553513] lkdtm: attempting bad refcount_sub_and_test() below zero <4>[ 70.560917] ------------[ cut here ]------------ refcount_dec() # [ 67.910409] lkdtm: attempting bad refcount_<4>[ 70.566374] refcount_t: underflow; use-after-free. dec() to zero # [ 67.922830] ------------[ cut here ]--------<4>[ 70.578256] WARNING: CPU: 1 PID: 2200 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 ---- # [ 67.934507] refcount_t: decrement hit 0; leaking memo<4>[ 70.594141] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_usbpd_charger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table ry. # [ 67.940807] WARNING: CPU: 0 PID: 2095 at lib/refcount.<4>[ 70.640298] CPU: 1 PID: 2200 Comm: cat Tainted: G D W 5.10.182-cip35 #1 <4>[ 70.655442] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 70.662350] RIP: 0010:refcount_warn_saturate+0xba/0x110 <4>[ 70.668491] Code: 01 01 e8 e0 ed c0 00 0f 0b c3 cc cc cc cc 80 3d b6 f1 f6 01 00 75 85 48 c7 c7 80 3f 55 83 c6 05 a6 f1 f6 01 01 e8 bd ed c0 00 <0f> 0b c3 cc cc cc cc 80 3d 91 f1 f6 01 00 0f 85 5e ff ff ff 48 c7 <4>[ 70.689736] RSP: 0018:ffffa6d6c295fe40 EFLAGS: 00010286 <4>[ 70.695874] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000 c:31 refcount_warn_saturate+0xfb/0x110 # [ 67.950550] Modules<4>[ 70.704146] RDX: ffff930a3bcac660 RSI: ffff930a3bc9bf70 RDI: ffff930a3bc9bf70 <4>[ 70.718619] RBP: ffffffff835f8c60 R08: 0000000000000000 R09: 0000000000000000 <4>[ 70.726883] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f <4>[ 70.735144] R13: ffffa6d6c295ff10 R14: ffffa6d6c295ff10 R15: ffff9309c5a7f000 linked in: fuse ip_tables uvcvideo videobuf2_vmalloc videobuf2_<4>[ 70.743404] FS: 00007ffa765fc580(0000) GS:ffff930a3bc80000(0000) knlGS:0000000000000000 <4>[ 70.758915] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 70.765629] CR2: 00007ffa76406000 CR3: 0000000105cea000 CR4: 00000000003506e0 <4>[ 70.773901] Call Trace: <4>[ 70.776951] ? __warn+0x80/0x110 memops cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_usbpd<4>[ 70.780861] ? refcount_warn_saturate+0xba/0x110 <4>[ 70.792495] ? report_bug+0x9e/0xc0 <4>[ 70.796701] ? handle_bug+0x41/0x90 _logger cros_usbpd_charger cros_ec_debugfs videobuf2_v4l2 gsmi x<4>[ 70.800904] ? exc_invalid_op+0x14/0x70 <4>[ 70.811660] ? asm_exc_invalid_op+0x12/0x20 <4>[ 70.816643] ? refcount_warn_saturate+0xba/0x110 86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common <4>[ 70.822106] __refcount_sub_and_test.constprop.0+0x3c/0x50 <4>[ 70.834730] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x7b snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_com<4>[ 70.841274] direct_entry.cold+0x2c/0x38 press snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_tabl<4>[ 70.852161] full_proxy_write+0x56/0x80 <4>[ 70.862960] vfs_write+0xea/0x3b0 e # [ 67.996874] CPU: 0 PID: 2095 Comm: cat Tainted: G D<4>[ 70.866978] ksys_write+0x68/0xf0 W 5.10.182-cip35 #1 # [ 68.005859] Hardware name: Go<4>[ 70.877156] do_syscall_64+0x33/0x40 ogle Coral/Coral, BIOS 09/29/2020 # [ 68.012782] RIP: 0010:r<4>[ 70.887685] entry_SYSCALL_64_after_hwframe+0x61/0xc6 efcount_warn_saturate+0xfb/0x110 # [ 68.018924] Code: d8 3f 5<4>[ 70.899815] RIP: 0033:0x7ffa76512473 5 83 c6 05 7d f1 f6 01 01 e8 96 ed c0 00 0f 0b c3 cc cc cc cc 48<4>[ 70.910280] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 c7 c7 a8 3f 55 83 c6 05 64 f1 f6 01 01 e8 7c ed c0 00 <0f> 0b c<4>[ 70.937712] RSP: 002b:00007ffe6e848088 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ <4>[ 70.952650] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007ffa76512473 68.040174] RSP: 0018:ffffa6d6c2807e48 EFLAGS: 00010286 <4>[ 70.967125] RDX: 000000000000001f RSI: 00007ffa76406000 RDI: 0000000000000001 <4>[ 70.981020] RBP: 00007ffa76406000 R08: 00007ffa76405010 R09: 0000000000000000 # [ 68.046320] RAX: 0000000000000000 RBX: 000000000000002f RCX<4>[ 70.989289] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 : 0000000000000000 <4>[ 71.003740] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 68.054590] RDX: ffff930a3bc2c660 RSI: ffff930a3bc1bf70 RDI<4>[ 71.013946] irq event stamp: 0 : ffff930a3bc1bf70<4>[ 71.023866] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 71.032894] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 <4>[ 71.042499] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 68.062855] RBP: ffffffff835f8fd9 R08: 0000000000000000 R09<4>[ 71.051926] softirqs last disabled at (0): [<0000000000000000>] 0x0 : 0000000000000000<4>[ 71.065391] ---[ end trace bf7d0a621a4c6678 ]--- <6>[ 71.072563] lkdtm: Negative detected: saturated # [ 68.071123] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 68.079394] R13: ffffa6d6c2807f10 R14: ffffa6d6c2807f10 R15: ffff9309c689f000 # [ 68.087664] FS: 00007f59ab5f0580(0000) GS:ffff930a3bc00000(0000) knlGS:0000000000000000 # [ 68.096998] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 68.109905] CR2: 00007f59ab3fa000 CR3: 0000000103cfa000 CR4: 00000000003506f0 # [ 68.118174] Call Trace: # [ 68.121228] ? __warn+0x80/0x110 # [ 68.125146] ? refcount_warn_saturate+0xfb/0x110 # [ 68.130608] ? report_bug+0x9e/0xc0 # [ 68.134815] ? handle_bug+0x41/0x90 # [ 68.139017] ? exc_invalid_op+0x14/0x70 # [ 68.143610] ? asm_exc_invalid_op+0x12/0x20 # [ 68.148599] ? refcount_warn_saturate+0xfb/0x110 # [ 68.154070] ? refcount_warn_saturate+0xfb/0x110 # [ 68.159541] lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xbd # [ 68.164812] direct_entry.cold+0x2c/0x38 # [ 68.169512] full_proxy_write+0x56/0x80 # [ 68.174115] vfs_write+0xea/0x3b0 # [ 68.178128] ksys_write+0x68/0xf0 # [ 68.188332] do_syscall_64+0x33/0x40 # [ 68.198813] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 68.210949] RIP: 0033:0x7f59ab506473 # [ 68.221426] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 68.242675] RSP: 002b:00007ffe72e69bd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 68.251432] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f59ab506473 # [ 68.259695] RDX: 0000000000000012 RSI: 00007f59ab3fa000 RDI: 0000000000000001 # [ 68.267961] RBP: 00007f59ab3fa000 R08: 00007f59ab3f9010 R09: 0000000000000000 # [ 68.282422] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 68.290689] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 68.298969] irq event stamp: 0 # [ 68.308874] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 68.316170] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 68.325605] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 68.335038] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 68.342337] ---[ end trace bf7d0a621a4c6675 ]--- # [ 68.347797] lkdtm: Zero detected: saturated # REFCOUNT_DEC_ZERO: saw 'call trace:': ok ok 46 selftests: lkdtm: REFCOUNT_DEC_ZERO.sh # selftests: lkdtm: REFCOUNT_DEC_NEGATIVE.sh # [ 68.694157] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE # [ 68.707257] lkdtm: attempting bad refcount_dec() below zero # [ 68.719987] ------------[ cut here ]------------ # [ 68.731678] refcount_t: decrement hit 0; leaking memory. # [ 68.744204] WARNING: CPU: 3 PID: 2130 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 68.760061] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_usbpd_charger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 68.806216] CPU: 3 PID: 2130 Comm: cat Tainted: G D W 5.10.182-cip35 #1 # [ 68.821401] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 68.834739] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 68.846873] Code: d8 3f 55 83 c6 05 7d f1 f6 01 01 e8 96 ed c0 00 0f 0b c3 cc cc cc cc 48 c7 c7 a8 3f 55 83 c6 05 64 f1 f6 01 01 e8 7c ed c0 00 <0f> 0b c3 cc cc cc cc 66 66 <6>[ 71.434334] lkdtm: Performing direct entry REFCOUNT_INC_ZERO 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 68.874485] RSP: 00<6>[ 71.444277] lkdtm: attempting safe refcount_inc_not_zero() from zero 18:ffffa6d6c2867e48 EFLAGS: 00010286 # [ 68.886758] RAX: 0000<6>[ 71.457890] lkdtm: Good: zero detected <6>[ 71.468575] lkdtm: Correctly stayed at zero <6>[ 71.473549] lkdtm: attempting bad refcount_inc() from zero <4>[ 71.479972] ------------[ cut here ]------------ <4>[ 71.485439] refcount_t: addition on 0; use-after-free. 000000000000 RBX: 0000000000000030 RCX: 0000000000000000 # [ <4>[ 71.491553] WARNING: CPU: 1 PID: 2232 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 68.901201] RDX: ffff930a3bdac660 RSI: ffff930a3bd9bf70 RDI: ffff<4>[ 71.507448] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_usbpd_charger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table 930a3bd9bf70 # [ 68.915676] RBP: ffffffff835f8feb R08: 000000<4>[ 71.553597] CPU: 1 PID: 2232 Comm: cat Tainted: G D W 5.10.182-cip35 #1 0000000000 R09: 0000000000000000 # [ 68.930091] R10: 00000000<4>[ 71.568724] Hardware name: Google Coral/Coral, BIOS 09/29/2020 ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 68.9<4>[ 71.581839] RIP: 0010:refcount_warn_saturate+0x74/0x110 44583] R13: ffffa6d6c2867f10 R14: ffffa6d6c2867f10 R15: ffff9309<4>[ 71.594159] Code: 01 01 e8 26 ee c0 00 0f 0b c3 cc cc cc cc 80 3d fd f1 f6 01 00 75 cb 48 c7 c7 50 3f 55 83 c6 05 ed f1 f6 01 01 e8 03 ee c0 00 <0f> 0b c3 cc cc cc cc 80 3d dc f1 f6 01 00 75 a8 48 c7 c7 28 3f 55 c6a8b000 # [ 68.959047] FS: 00007f3fa71f8580(0000) GS:ffff93<4>[ 71.621573] RSP: 0018:ffffa6d6c2997e48 EFLAGS: 00010286 0a3bd80000(0000) knlGS:0000000000000000 # [ 68.974587] CS: 0<4>[ 71.633892] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000 010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 68.987454] CR<4>[ 71.648344] RDX: ffff930a3bcac660 RSI: ffff930a3bc9bf70 RDI: ffff930a3bc9bf70 2: 00007f3fa7002000 CR3: 0000000103258000 CR4: 00000000003506e0 <4>[ 71.662785] RBP: ffffffff835f9001 R08: 0000000000000000 R09: 0000000000000000 # [ 69.001929] Call Trace: # [ 69.011167] ? __warn+0x80/0<4>[ 71.677228] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 x110 # [ 69.021283] ? refcount_warn_saturate+0xfb/0x110 # [<4>[ 71.691678] R13: ffffa6d6c2997f10 R14: ffffa6d6c2997f10 R15: ffff9309c441c000 69.032886] ? report_bug+0x9e/0xc0 # [ 69.043323] ? handl<4>[ 71.706154] FS: 00007faafdcd3580(0000) GS:ffff930a3bc80000(0000) knlGS:0000000000000000 e_bug+0x41/0x90 # [ 69.053632] ? exc_invalid_op+0x14/0x70 #<4>[ 71.721646] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 69.064375] ? asm_exc_invalid_op+0x12/0x20 # [ 69.075722<4>[ 71.734542] CR2: 00007faafdadd000 CR3: 0000000105cea000 CR4: 00000000003506e0 ] ? refcount_warn_saturate+0xfb/0x110 # [ 69.087206] ? refc<4>[ 71.748987] Call Trace: ount_warn_saturate+0xfb/0x110 # [ 69.098828] lkdtm_REFCOUNT_<4>[ 71.758224] ? __warn+0x80/0x110 DEC_NEGATIVE+0x37/0x61 # [ 69.110735] direct_entry.cold+0x2c<4>[ 71.768304] ? refcount_warn_saturate+0x74/0x110 /0x38 # [ 69.121570] full_proxy_write+0x56/0x80 # [ 69.13<4>[ 71.779941] ? report_bug+0x9e/0xc0 2409] vfs_write+0xea/0x3b0 # [ 69.142564] ksys_write+0x68/0<4>[ 71.790328] ? handle_bug+0x41/0x90 xf0 # [ 69.152771] do_syscall_64+0x33/0x40 # [ 69.163237]<4>[ 71.800703] ? exc_invalid_op+0x14/0x70 entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 69.175426] RIP<4>[ 71.811477] ? asm_exc_invalid_op+0x12/0x20 : 0033:0x7f3fa710e473 # [ 69.185846] Code: 8b 15 21 2a 0e 00 <4>[ 71.822642] ? refcount_warn_saturate+0x74/0x110 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 1<4>[ 71.834274] ? refcount_warn_saturate+0x74/0x110 8 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff <4>[ 71.845925] lkdtm_REFCOUNT_INC_ZERO+0x99/0xc1 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 69.213339<4>[ 71.857370] direct_entry.cold+0x2c/0x38 ] RSP: 002b:00007ffeda306618 EFLAGS: 00000246 ORIG_RAX: 00000000<4>[ 71.868235] full_proxy_write+0x56/0x80 00000001 # [ 69.228214] RAX: ffffffffffffffda RBX: 0000000000<4>[ 71.879002] vfs_write+0xea/0x3b0 000016 RCX: 00007f3fa710e473 # [ 69.242691] RDX: 000000000000<4>[ 71.889189] ksys_write+0x68/0xf0 0016 RSI: 00007f3fa7002000 RDI: 0000000000000001 # [ 69.25709<4>[ 71.899384] do_syscall_64+0x33/0x40 5] RBP: 00007f3fa7002000 R08: 00007f3fa7001010 R09: 000000000000<4>[ 71.909853] entry_SYSCALL_64_after_hwframe+0x61/0xc6 0000 # [ 69.271556] R10: fffffffffffffbc5 R11: 00000000000002<4>[ 71.921967] RIP: 0033:0x7faafdbe9473 46 R12: 0000000000000001 # [ 69.286006] R13: 0000000000000001<4>[ 71.932444] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 R14: 0000000000020000 R15: 0000000000020000 # [ 69.300499] i<4>[ 71.959865] RSP: 002b:00007ffe5c737758 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 rq event stamp: 0 # [ 69.310352] hardirqs last enabled at (0<4>[ 71.974796] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007faafdbe9473 ): [<0000000000000000>] 0x0 # [ 69.323987] hardirqs last disa<4>[ 71.989257] RDX: 0000000000000012 RSI: 00007faafdadd000 RDI: 0000000000000001 bled at (0): [] copy_process+0x664/0x1c60 # [<4>[ 72.003705] RBP: 00007faafdadd000 R08: 00007faafdadc010 R09: 0000000000000000 69.339446] softirqs last enabled at (0): [<4>[ 72.018167] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 ] copy_process+0x664/0x1c60 # [ 69.355232] softirqs last disa<4>[ 72.032625] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 bled at (0): [<0000000000000000>] 0x0 # [ 69.368696] ---[ end<4>[ 72.047085] irq event stamp: 0 trace bf7d0a621a4c6676 ]--- # [ 69.380318] lkdtm: Negative d<4>[ 72.056977] hardirqs last enabled at (0): [<0000000000000000>] 0x0 etected: saturated # REFCOUNT_DEC_NEGATIVE: saw 'Negative detec<4>[ 72.070475] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 ted: saturated': ok ok 47 selftests: lkdtm: REFCOUNT_DEC_NEGATI<4>[ 72.086097] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 VE.sh # selftests: lkdtm: REFCOUNT_DEC_AND_TEST_NEGATIVE.sh # <4>[ 72.101716] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 69.742499] lkdtm: Performing direct entry REFCOUNT_DEC_AND_T<4>[ 72.115196] ---[ end trace bf7d0a621a4c6679 ]--- EST_NEGATIVE # [ 69.752895] lkdtm: attempting bad refcount_de<6>[ 72.126849] lkdtm: Zero detected: saturated c_and_test() below zero # [ 69.760322] ------------[ cut here ]------------ # [ 69.765780] refcount_t: underflow; use-after-free. # [ 69.777671] WARNING: CPU: 0 PID: 2165 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 69.793535] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_usbpd_charger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 69.839772] CPU: 0 PID: 2165 Comm: cat Tainted: G D W 5.10.182-cip35 #1 # [ 69.848735] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 69.855654] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 69.861796] Code: 01 01 e8 e0 ed c0 00 0f 0b c3 cc cc cc cc 80 3d b6 f1 f6 01 00 75 85 48 c7 c7 80 3f 55 83 c6 05 a6 f1 f6 01 01 e8 bd ed c0 00 <0f> 0b c3 cc cc cc cc 80 3d 91 f1 f6 01 00 0f 85 5e ff ff ff 48 c7 # [ 69.883076] RSP: 0018:ffffa6d6c28f7e40 EFLAGS: 00010286 # [ 69.889228] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000 # [ 69.897510] RDX: ffff930a3bc2c660 RSI: ffff930a3bc1bf70 RDI: ffff930a3bc1bf70 # [ 69.905790] RBP: ffffffff835f8c40 R08: 0000000000000000 R09: 0000000000000000 # [ 69.914060] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 69.922328] R13: ffffa6d6c28f7f10 R14: ffffa6d6c28f7f10 R15: ffff9309c489f000 # [ 69.930598] FS: 00007f7798a2f580(0000) GS:ffff930a3bc00000(0000) knlGS:0000000000000000 # [ 69.939937] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 69.946651] CR2: 00007f7798839000 CR3: 00000001046b6000 CR4: 00000000003506f0 # [ 69.954916] Call Trace: # [ 69.964153] ? __warn+0x80/0x110 # [ 69.974255] ? refcount_warn_saturate+0xba/0x110 # [ 69.979716] ? report_bug+0x9e/0xc0 # [ 69.983922] ? handle_bug+0x41/0x90 # [ 69.988128] ? exc_invalid_op+0x14/0x70 # [ 69.992720] ? asm_exc_invalid_op+0x12/0x20 # [ 69.997710] ? refcount_warn_saturate+0xba/0x110 # [ 70.003184] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 70.009624] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x78 # [ 70.016168] direct_entry.cold+0x2c/0x38 # [ 70.020863] full_proxy_write+0x56/0x80 # [ 70.025457] vfs_write+0xea/0x3b0 # [ 70.029471] ksys_write+0x68/0xf0 # [ 70.033481] do_syscall_64+0x33/0x40 # [ 70.037788] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 70.043750] RIP: 0033:0x7f7798945473 # [ 70.054219] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 70.081632] RSP: 002b:00007ffc96ba97b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 70.090387] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f7798945473 # [ 70.098653] RDX: 000000000000001f RSI: 00007f7798839000 RDI: 0000000000000001 # [ 70.106930] RBP: 00007f7798839000 R08: 00007f7798838010 R09: 0000000000000000 # [ 70.115201] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 70.123466] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 70.131749] irq event stamp: 0 # [ 70.135468] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 70.142775] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 70.152218] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 70.161666] softirqs last disabled at (0): [<000000<6>[ 72.495119] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO 0000000000>] 0x0 # [ 70.168977] ---[ end trace bf7d0a621a4c66<6>[ 72.504406] lkdtm: attempting safe refcount_add_not_zero() from zero 77 ]--- # [ 70.174447] lkdtm: Negative detected: saturated #<6>[ 72.517958] lkdtm: Good: zero detected REFCOUNT_DEC_AND_TEST_NEGATIVE: saw 'Negative detected: saturat<6>[ 72.528683] lkdtm: Correctly stayed at zero ed': ok ok 48 selftests: lkdtm: REFCOUNT_DEC_AND_TEST_NEGATIVE.<6>[ 72.540042] lkdtm: attempting bad refcount_add() from zero sh # selftests: lkdtm: REFCOUNT_SUB_AND_TEST_NEGATIVE.sh # [ <4>[ 72.552499] ------------[ cut here ]------------ 70.540197] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST<4>[ 72.564261] refcount_t: addition on 0; use-after-free. _NEGATIVE # [ 70.553513] lkdtm: attempting bad refcount_sub_a<4>[ 72.576507] WARNING: CPU: 3 PID: 2264 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 nd_test() below zero # [ 70.560917] ------------[ cut here ]-<4>[ 72.592352] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_usbpd_charger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table ----------- # [ 70.566374] refcount_t: underflow; use-after-f<4>[ 72.638376] CPU: 3 PID: 2264 Comm: cat Tainted: G D W 5.10.182-cip35 #1 ree. # [ 70.578256] WARNING: CPU: 1 PID: 2200 at lib/refcount<4>[ 72.653646] Hardware name: Google Coral/Coral, BIOS 09/29/2020 .c:28 refcount_warn_saturate+0xba/0x110 # [ 70.594141] Module<4>[ 72.666705] RIP: 0010:refcount_warn_saturate+0x74/0x110 s linked in: fuse ip_tables uvcvideo videobuf2_vmalloc videobuf2<4>[ 72.679027] Code: 01 01 e8 26 ee c0 00 0f 0b c3 cc cc cc cc 80 3d fd f1 f6 01 00 75 cb 48 c7 c7 50 3f 55 83 c6 05 ed f1 f6 01 01 e8 03 ee c0 00 <0f> 0b c3 cc cc cc cc 80 3d dc f1 f6 01 00 75 a8 48 c7 c7 28 3f 55 _memops cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_usbp<4>[ 72.706324] RSP: 0018:ffffa6d6c2a87e48 EFLAGS: 00010286 d_logger cros_usbpd_charger cros_ec_debugfs videobuf2_v4l2 gsmi <4>[ 72.718696] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000 x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common<4>[ 72.733092] RDX: ffff930a3bdac660 RSI: ffff930a3bd9bf70 RDI: ffff930a3bd9bf70 snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_co<4>[ 72.747575] RBP: ffffffff835f9013 R08: 0000000000000000 R09: 0000000000000000 mpress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_tab<4>[ 72.761989] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 le # [ 70.640298] CPU: 1 PID: 2200 Comm: cat Tainted: G <4>[ 72.776470] R13: ffffa6d6c2a87f10 R14: ffffa6d6c2a87f10 R15: ffff9309c4508000 D W 5.10.182-cip35 #1 # [ 70.655442] Hardware name: G<4>[ 72.790909] FS: 00007ff735522580(0000) GS:ffff930a3bd80000(0000) knlGS:0000000000000000 oogle Coral/Coral, BIOS 09/29/2020 # [ 70.662350] RIP: 0010:<4>[ 72.806461] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 refcount_warn_saturate+0xba/0x110 # [ 70.668491] Code: 01 01 <4>[ 72.819351] CR2: 00007ff73532c000 CR3: 00000001059e0000 CR4: 00000000003506e0 e8 e0 ed c0 00 0f 0b c3 cc cc cc cc 80 3d b6 f1 f6 01 00 75 85 4<4>[ 72.833792] Call Trace: 8 c7 c7 80 3f 55 83 c6 05 a6 f1 f6 01 01 e8 bd ed c0 00 <0f> 0b <4>[ 72.843091] ? __warn+0x80/0x110 c3 cc cc cc cc 80 3d 91 f1 f6 01 00 0f 85 5e ff ff ff 48 c7 # [<4>[ 72.853123] ? refcount_warn_saturate+0x74/0x110 70.689736] RSP: 0018:ffffa6d6c295fe40 EFLAGS: 00010286 # [ <4>[ 72.864772] ? report_bug+0x9e/0xc0 70.695874] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 000<4>[ 72.875180] ? handle_bug+0x41/0x90 0000000000000 # [ 70.704146] RDX: ffff930a3bcac660 RSI: ffff9<4>[ 72.885548] ? exc_invalid_op+0x14/0x70 30a3bc9bf70 RDI: ffff930a3bc9bf70 # [ 70.718619] RBP: fffffff<4>[ 72.896328] ? asm_exc_invalid_op+0x12/0x20 f835f8c60 R08: 0000000000000000 R09: 0000000000000000 # [ 70.<4>[ 72.907515] ? refcount_warn_saturate+0x74/0x110 726883] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000<4>[ 72.919136] ? refcount_warn_saturate+0x74/0x110 00000001f # [ 70.735144] R13: ffffa6d6c295ff10 R14: ffffa6d6c<4>[ 72.930782] lkdtm_REFCOUNT_ADD_ZERO+0x99/0xc1 295ff10 R15: ffff9309c5a7f000 # [ 70.743404] FS: 00007ffa765<4>[ 72.942255] direct_entry.cold+0x2c/0x38 fc580(0000) GS:ffff930a3bc80000(0000) knlGS:0000000000000000 # <4>[ 72.953117] full_proxy_write+0x56/0x80 [ 70.758915] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033<4>[ 72.963911] vfs_write+0xea/0x3b0 # [ 70.765629] CR2: 00007ffa76406000 CR3: 0000000105cea000 C<4>[ 72.974091] ksys_write+0x68/0xf0 R4: 00000000003506e0 # [ 70.773901] Call Trace: # [ 70.776<4>[ 72.984304] do_syscall_64+0x33/0x40 951] ? __warn+0x80/0x110 # [ 70.780861] ? refcount_warn_sat<4>[ 72.994818] entry_SYSCALL_64_after_hwframe+0x61/0xc6 urate+0xba/0x110 # [ 70.792495] ? report_bug+0x9e/0xc0 # [ <4>[ 73.006932] RIP: 0033:0x7ff735438473 70.796701] ? handle_bug+0x41/0x90 # [ 70.800904] ? exc_in<4>[ 73.017449] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 valid_op+0x14/0x70 # [ 70.811660] ? asm_exc_invalid_op+0x12/<4>[ 73.044988] RSP: 002b:00007ffc63b1fb08 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 0x20 # [ 70.816643] ? refcount_warn_saturate+0xba/0x110 # [<4>[ 73.059853] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007ff735438473 70.822106] __refcount_sub_and_test.constprop.0+0x3c/0x50 # <4>[ 73.074309] RDX: 0000000000000012 RSI: 00007ff73532c000 RDI: 0000000000000001 [ 70.834730] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x7b <4>[ 73.088749] RBP: 00007ff73532c000 R08: 00007ff73532b010 R09: 0000000000000000 # [ 70.841274] direct_entry.cold+0x2c/0x38 # [ 70.852161] <4>[ 73.103262] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 full_proxy_write+0x56/0x80 # [ 70.862960] vfs_write+0xea/0x<4>[ 73.117671] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 3b0 # [ 70.866978] ksys_write+0x68/0xf0 # [ 70.877156] d<4>[ 73.132222] irq event stamp: 0 o_syscall_64+0x33/0x40 # [ 70.887685] entry_SYSCALL_64_after<4>[ 73.141995] hardirqs last enabled at (0): [<0000000000000000>] 0x0 _hwframe+0x61/0xc6 # [ 70.899815] RIP: 0033:0x7ffa76512473 #<4>[ 73.155588] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 [ 70.910280] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 <4>[ 73.171252] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b<4>[ 73.186855] softirqs last disabled at (0): [<0000000000000000>] 0x0 8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 <4>[ 73.200326] ---[ end trace bf7d0a621a4c667a ]--- 83 ec 28 48 89 54 24 18 # [ 70.937712] RSP: 002b:00007ffe6e84<6>[ 73.211946] lkdtm: Zero detected: saturated 8088 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 70.952650] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007ffa76512473 # [ 70.967125] RDX: 000000000000001f RSI: 00007ffa76406000 RDI: 0000000000000001 # [ 70.981020] RBP: 00007ffa76406000 R08: 00007ffa76405010 R09: 0000000000000000 # [ 70.989289] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 71.003740] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 71.013946] irq event stamp: 0 # [ 71.023866] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 71.032894] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 71.042499] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 71.051926] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 71.065391] ---[ end trace bf7d0a621a4c6678 ]--- # [ 71.072563] lkdtm: Negative detected: saturated # REFCOUNT_SUB_AND_TEST_NEGATIVE: saw 'Negative detected: saturated': ok ok 49 selftests: lkdtm: REFCOUNT_SUB_AND_TEST_NEGATIVE.sh # selftests: lkdtm: REFCOUNT_INC_ZERO.sh # [ 71.434334] lkdtm: Performing direct entry REFCOUNT_INC_ZERO # [ 71.444277] lkdtm: attempting safe refcount_inc_not_zero() from zero # [ 71.457890] lkdtm: Good: zero detected # [ 71.468575] lkdtm: Correctly stayed at zero # [ 71.473549] lkdtm: attempting bad refcount_inc() from zero # [ 71.479972] ------------[ cut here ]------------ # [ 71.485439] refcount_t: addition on 0; use-after-free. # [ 71.491553] WARNING: CPU: 1 PID: 2232 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 # [ 71.507448] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_usbpd_charger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 71.553597] CPU: 1 PID: 2232 Comm: cat Tainted: G D W 5.10.182-cip35 #1 # [ 71.568724] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 71.581839] RIP: 0010:refcount_warn_saturate+0x74/0x110 # [ 71.594159] Code: 01 01 e8 26 ee c0 00 0f 0b c3 cc cc cc cc 80 3d fd f1 f6 01 00 75 cb 48 c7 c7 50 3f 55 83 c6 05 ed f1 f6 01 01 e8 03 ee c0 00 <0f> 0b c3 cc cc cc cc 80 3d dc f1 f6 01 00 75 a8 48 c7 c7 28 3f 55 # [ 71.621573] RSP: 0018:ffffa6d6c2997e48 EFLAGS: 00010286 # [ 71.633892] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000 # [ 71.648344] RDX: ffff930a3bcac660 RSI: ffff930a3bc9bf70 RDI: ffff930a3bc9bf70 # [ 71.662785] RBP: ffffffff835f9001 R08: 0000000000000000 R09: 0000000000000000 # [ 71.677228] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 71.691678] R13: ffffa6d6c2997f10 R14: ffffa6d6c2997f10 R15: ffff9309c441c000 # [ 71.706154] FS: 00007faafdcd3580(0000) GS:ffff930a3bc80000(0000) knlGS:0000000000000000 # [ 71.721646] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 71.734542] CR2: 00007faafdadd000 CR3: 0000000105cea000 CR4: 00000000003506e0 # [ 71.748987] Call Trace: # [ 71.758224] ? __warn+0x80/0x110 # [ 71.768304] ? refcount_warn_saturate+0x74/0x110 # [ 71.779941] ? report_bug+0x9e/0xc0 # [ 71.790328] ? handle_bug+0x41/0x90 # [ 71.800703] ? exc_invalid_op+0x14/0x70 # [ 71.811477] ? asm_exc_invalid_op+0x12/0x20 # [ 71.822642] ? refcount_warn_saturate+0x74/0x110 # [ 71.834274] ? refcount_warn_saturate+0x74/0x110 # [ 71.845925] lkdtm_REFCOUNT_INC_ZERO+0x99/0xc1 # [ 71.857370] direct_entry.cold+0x2c/0x38 # [ 71.868235] full_proxy_write+0x56/0x80 # [ 71.879002] vfs_write+0xea/0x3b0 # [ 71.889189] ksys_write+0x68/0xf0 # [ 71.899384] do_syscall_64+0x33/0x40 # [ 71.909853] entry_SYSCALL_64_after_hwframe+0x61/0x<6>[ 73.606735] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED <6>[ 73.614507] lkdtm: attempting bad refcount_inc() from saturated <4>[ 73.621445] ------------[ cut here ]------------ <4>[ 73.626912] refcount_t: saturated; leaking memory. c6 # [ 71.921967] RIP: 0033:0x7faafdbe9473 # [ 71.932444] <4>[ 73.632620] WARNING: CPU: 2 PID: 2299 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b<4>[ 73.648451] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_usbpd_charger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table <4>[ 73.694646] CPU: 2 PID: 2299 Comm: cat Tainted: G D W 5.10.182-cip35 #1 <4>[ 73.703590] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 73.710514] RIP: 0010:refcount_warn_saturate+0x51/0x110 <4>[ 73.716656] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 21 f2 f6 01 00 75 ee 48 c7 c7 28 3f 55 83 c6 05 11 f2 f6 01 01 e8 26 ee c0 00 <0f> 0b c3 cc cc cc cc 80 3d fd f1 f6 01 00 75 cb 48 c7 c7 50 3f 55 <4>[ 73.737913] RSP: 0018:ffffa6d6c2aefe48 EFLAGS: 00010286 <4>[ 73.744053] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000 <4>[ 73.752317] RDX: ffff930a3bd2c660 RSI: ffff930a3bd1bf70 RDI: ffff930a3bd1bf70 <4>[ 73.760589] RBP: ffffffff835f9025 R08: 0000000000000000 R09: 0000000000000000 <4>[ 73.768864] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 <4>[ 73.777131] R13: ffffa6d6c2aeff10 R14: ffffa6d6c2aeff10 R15: ffff9309c5afc000 <4>[ 73.785400] FS: 00007f6e704c8580(0000) GS:ffff930a3bd00000(0000) knlGS:0000000000000000 <4>[ 73.794729] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 73.801444] CR2: 00007f6e702d2000 CR3: 00000001045e0000 CR4: 00000000003506e0 <4>[ 73.809712] Call Trace: <4>[ 73.812763] ? __warn+0x80/0x110 <4>[ 73.816677] ? refcount_warn_saturate+0x51/0x110 <4>[ 73.822143] ? report_bug+0x9e/0xc0 7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f<4>[ 73.826356] ? handle_bug+0x41/0x90 <4>[ 73.836734] ? exc_invalid_op+0x14/0x70 <4>[ 73.841327] ? asm_exc_invalid_op+0x12/0x20 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 5<4>[ 73.846305] ? refcount_warn_saturate+0x51/0x110 <4>[ 73.857923] ? refcount_warn_saturate+0x51/0x110 <4>[ 73.863384] lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x64 <4>[ 73.869144] direct_entry.cold+0x2c/0x38 <4>[ 73.873836] full_proxy_write+0x56/0x80 <4>[ 73.878431] vfs_write+0xea/0x3b0 <4>[ 73.882444] ksys_write+0x68/0xf0 <4>[ 73.886460] do_syscall_64+0x33/0x40 <4>[ 73.890768] entry_SYSCALL_64_after_hwframe+0x61/0xc6 4 24 18 # [ 71.959865] RSP: 002b:00007ffe5c737758 EFLAGS: 000<4>[ 73.896733] RIP: 0033:0x7f6e703de473 00246 ORIG_RAX: 0000000000000001 # [ 71.974796] RAX: ffffffff<4>[ 73.907205] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 73.934629] RSP: 002b:00007ffd5491d9e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 73.943390] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f6e703de473 <4>[ 73.951651] RDX: 0000000000000017 RSI: 00007f6e702d2000 RDI: 0000000000000001 <4>[ 73.959922] RBP: 00007f6e702d2000 R08: 00007f6e702d1010 R09: 0000000000000000 <4>[ 73.968186] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 73.976449] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 73.984727] irq event stamp: 0 <4>[ 73.988442] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 73.995750] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 <4>[ 74.005180] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 <4>[ 74.014610] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 74.021905] ---[ end trace bf7d0a621a4c667b ]--- <6>[ 74.027367] lkdtm: Saturation detected: still saturated ffffffda RBX: 0000000000000012 RCX: 00007faafdbe9473 # [ 71.989257] RDX: 0000000000000012 RSI: 00007faafdadd000 RDI: 0000000000000001 # [ 72.003705] RBP: 00007faafdadd000 R08: 00007faafdadc010 R09: 0000000000000000 # [ 72.018167] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 72.032625] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 72.047085] irq event stamp: 0 # [ 72.056977] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 72.070475] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 72.086097] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 72.101716] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 72.115196] ---[ end trace bf7d0a621a4c6679 ]--- # [ 72.126849] 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 # [ 72.495119] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO # [ 72.504406] lkdtm: attempting safe refcount_add_not_zero() from zero # [ 72.517958] lkdtm: Good: zero detected # [ 72.528683] lkdtm: Correctly stayed at zero # [ 72.540042] lkdtm: attempting bad refcount_add() from zero # [ 72.552499] ------------[ cut here ]------------ # [ 72.564261] refcount_t: addition on 0; use-after-free. # [ 72.576507] WARNING: CPU: 3 PID: 2264 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 # [ 72.592352] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_usbpd_charger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 72.638376] CPU: 3 PID: 2264 Comm: cat Tainted: G D W 5.10.182-cip35 #1 # [ 72.653646] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 72.666705] RIP: 0010:refcount_warn_saturate+0x74/0x110 # [ 72.679027] Code: 01 01 e8 26 ee c0 00 0f 0b c3 cc cc cc cc 80 3d fd f1 f6 01 00 75 cb 48 c7 c7 50 3f 55 83 c6 05 ed f1 f6 01 01 e8 03 ee c0 00 <0f> 0b c3 cc cc cc cc 80 3d dc f1 f6 01 00 75 a8 48 c7 c7 28 3f 55 # [ 72.706324] RSP: 0018:ffffa6d6c2a87e48 EFLAGS: 00010286 # [ 72.718696] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000 # [ 72.733092] RDX: ffff930a3bdac660 RSI: ffff930a3bd9bf70 RDI: ffff930a3bd9bf70 # [ 72.747575] RBP: ffffffff835f9013 R08: 0000000000000000 R09: 0000000000000000 # [ 72.761989] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 72.776470] R13: ffffa6d6c2a87f10 R14: ffffa6d6c2a87f10 R15: ffff9309c4508000 # [ 72.790909] FS: 00007ff735522580(0000) GS:ffff930a3bd80000(0000) knlGS:0000000000000000 # [ 72.806461] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 72.819351] CR2: 00007ff73532c000 CR3: 00000001059e0000 CR4: 00000000003506e0 # [ 72.833792] Call Trace: # [ 72.843091] ? __warn+0x80/0x110 # [ 72.853123] ? refcount_warn_saturate+0x74/0x110 # [ 72.864772] ? report_bug+0x9e/0xc0 # [ 72.875180] ? handle_bug+0x41/0x90 # [ 72.885548] ? exc_invalid_op+0x14/0x70 # [ 72.896328] ? asm_exc_invalid_op+0x12/0x20 # [ 72.907515] ? refcount_warn_saturate+0x74/0x110 # [ 72.919136] ? refcount_warn_saturate+0x74/0x110 # [ 72.930782] lkdtm_REFCOUNT_ADD_ZERO+0x99/0xc1 # [ 72.942255] direct_entry.cold+0x2c/0x38 # [ 72.953117] full_proxy_write+0x56/0x80 # [ 72.963911] vfs_write+0xea/0x3b0 # [ 72.9<6>[ 74.391632] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED 74091] ksys_write+0x68/0xf0 # [ 72.984304] do_syscall_64+0x<6>[ 74.400759] lkdtm: attempting bad refcount_dec() from saturated 33/0x40 # [ 72.994818] entry_SYSCALL_64_after_hwframe+0x61/0<4>[ 74.413540] ------------[ cut here ]------------ xc6 # [ 73.006932] RIP: 0033:0x7ff735438473 # [ 73.017449]<4>[ 74.425172] refcount_t: decrement hit 0; leaking memory. Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb <4>[ 74.437851] WARNING: CPU: 3 PID: 2334 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0<4>[ 74.453794] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_usbpd_charger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 <4>[ 74.499911] CPU: 3 PID: 2334 Comm: cat Tainted: G D W 5.10.182-cip35 #1 54 24 18 # [ 73.044988] RSP: 002b:00007ffc63b1fb08 EFLAGS: 00<4>[ 74.514844] Hardware name: Google Coral/Coral, BIOS 09/29/2020 000246 ORIG_RAX: 0000000000000001 # [ 73.059853] RAX: fffffff<4>[ 74.528107] RIP: 0010:refcount_warn_saturate+0xfb/0x110 fffffffda RBX: 0000000000000012 RCX: 00007ff735438473 # [ 73.<4>[ 74.540285] Code: d8 3f 55 83 c6 05 7d f1 f6 01 01 e8 96 ed c0 00 0f 0b c3 cc cc cc cc 48 c7 c7 a8 3f 55 83 c6 05 64 f1 f6 01 01 e8 7c ed c0 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b 074309] RDX: 0000000000000012 RSI: 00007ff73532c000 RDI: 0000000<4>[ 74.567802] RSP: 0018:ffffa6d6c2b77e48 EFLAGS: 00010286 000000001 # [ 73.088749] RBP: 00007ff73532c000 R08: 00007ff73<4>[ 74.580048] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000 532b010 R09: 0000000000000000 # [ 73.103262] R10: fffffffffff<4>[ 74.594506] RDX: ffff930a3bdac660 RSI: ffff930a3bd9bf70 RDI: ffff930a3bd9bf70 ffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 73.1176<4>[ 74.608964] RBP: ffffffff835f903c R08: 0000000000000000 R09: 0000000000000000 71] R13: 0000000000000001 R14: 0000000000020000 R15: 00000000000<4>[ 74.623480] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 20000 # [ 73.132222] irq event stamp: 0 # [ 73.141995] har<4>[ 74.637926] R13: ffffa6d6c2b77f10 R14: ffffa6d6c2b77f10 R15: ffff9309c684e000 dirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 73.1<4>[ 74.652410] FS: 00007f32924cf580(0000) GS:ffff930a3bd80000(0000) knlGS:0000000000000000 55588] hardirqs last disabled at (0): [] copy_<4>[ 74.667892] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 process+0x664/0x1c60 # [ 73.171252] softirqs last enabled at<4>[ 74.680804] CR2: 00007f32922d9000 CR3: 0000000104224000 CR4: 00000000003506e0 (0): [] copy_process+0x664/0x1c60 # [ 73.1<4>[ 74.695218] Call Trace: 86855] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 74.704536] ? __warn+0x80/0x110 # [ 73.200326] ---[ end trace bf7d0a621a4c667a ]--- # [ 73.<4>[ 74.714655] ? refcount_warn_saturate+0xfb/0x110 211946] lkdtm: Zero detected: saturated # REFCOUNT_ADD_ZERO: sa<4>[ 74.726306] ? report_bug+0x9e/0xc0 w 'call trace:': ok ok 51 selftests: lkdtm: REFCOUNT_ADD_ZERO.s<4>[ 74.736677] ? handle_bug+0x41/0x90 h # selftests: lkdtm: REFCOUNT_INC_SATURATED.sh # [ 73.60673<4>[ 74.747065] ? exc_invalid_op+0x14/0x70 5] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED # [ <4>[ 74.757875] ? asm_exc_invalid_op+0x12/0x20 73.614507] lkdtm: attempting bad refcount_inc() from saturated <4>[ 74.769012] ? refcount_warn_saturate+0xfb/0x110 # [ 73.621445] ------------[ cut here ]------------ # [ 73.<4>[ 74.780682] ? refcount_warn_saturate+0xfb/0x110 626912] refcount_t: saturated; leaking memory. # [ 73.632620]<4>[ 74.792319] lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5f WARNING: CPU: 2 PID: 2299 at lib/refcount.c:22 refcount_warn_sa<4>[ 74.804258] direct_entry.cold+0x2c/0x38 turate+0x51/0x110 # [ 73.648451] Modules linked in: fuse ip_t<4>[ 74.815119] full_proxy_write+0x56/0x80 ables uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightb<4>[ 74.825909] vfs_write+0xea/0x3b0 ar cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_usbpd_ch<4>[ 74.836085] ksys_write+0x68/0xf0 arger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal c<4>[ 74.846317] do_syscall_64+0x33/0x40 ros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_max98357a snd<4>[ 74.856768] entry_SYSCALL_64_after_hwframe+0x61/0xc6 _soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengi<4>[ 74.868918] RIP: 0033:0x7f32923e5473 ne regmap_i2c chromeos_pstore coreboot_table # [ 73.694646] C<4>[ 74.879386] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 PU: 2 PID: 2299 Comm: cat Tainted: G D W 5.10.182-c<4>[ 74.906860] RSP: 002b:00007fff99ce0888 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 ip35 #1 # [ 73.703590] Hardware name: Google Coral/Coral, BIO<4>[ 74.921783] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f32923e5473 S 09/29/2020 # [ 73.710514] RIP: 0010:refcount_warn_saturate<4>[ 74.936260] RDX: 0000000000000017 RSI: 00007f32922d9000 RDI: 0000000000000001 +0x51/0x110 # [ 73.716656] Code: 84 bc 00 00 00 c3 cc cc cc c<4>[ 74.950709] RBP: 00007f32922d9000 R08: 00007f32922d8010 R09: 0000000000000000 c 85 f6 74 46 80 3d 21 f2 f6 01 00 75 ee 48 c7 c7 28 3f 55 83 c6<4>[ 74.965202] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 05 11 f2 f6 01 01 e8 26 ee c0 00 <0f> 0b c3 cc cc cc cc 80 3d f<4>[ 74.979654] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 d f1 f6 01 00 75 cb 48 c7 c7 50 3f 55 # [ 73.737913] RSP: 001<4>[ 74.994138] irq event stamp: 0 8:ffffa6d6c2aefe48 EFLAGS: 00010286 # [ 73.744053] RAX: 00000<4>[ 75.004034] hardirqs last enabled at (0): [<0000000000000000>] 0x0 00000000000 RBX: 0000000000000035 RCX: 0000000000000000 # [ 7<4>[ 75.017574] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 3.752317] RDX: ffff930a3bd2c660 RSI: ffff930a3bd1bf70 RDI: ffff9<4>[ 75.033263] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 30a3bd1bf70 # [ 73.760589] RBP: ffffffff835f9025 R08: 0000000<4>[ 75.048832] softirqs last disabled at (0): [<0000000000000000>] 0x0 000000000 R09: 0000000000000000 # [ 73.768864] R10: 00000000f<4>[ 75.062323] ---[ end trace bf7d0a621a4c667c ]--- fffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 73.77<6>[ 75.073980] lkdtm: Saturation detected: still saturated 7131] R13: ffffa6d6c2aeff10 R14: ffffa6d6c2aeff10 R15: ffff9309c5afc000 # [ 73.785400] FS: 00007f6e704c8580(0000) GS:ffff930a3bd00000(0000) knlGS:0000000000000000 # [ 73.794729] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 73.801444] CR2: 00007f6e702d2000 CR3: 00000001045e0000 CR4: 00000000003506e0 # [ 73.809712] Call Trace: # [ 73.812763] ? __warn+0x80/0x110 # [ 73.816677] ? refcount_warn_saturate+0x51/0x110 # [ 73.822143] ? report_bug+0x9e/0xc0 # [ 73.826356] ? handle_bug+0x41/0x90 # [ 73.836734] ? exc_invalid_op+0x14/0x70 # [ 73.841327] ? asm_exc_invalid_op+0x12/0x20 # [ 73.846305] ? refcount_warn_saturate+0x51/0x110 # [ 73.857923] ? refcount_warn_saturate+0x51/0x110 # [ 73.863384] lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x64 # [ 73.869144] direct_entry.cold+0x2c/0x38 # [ 73.873836] full_proxy_write+0x56/0x80 # [ 73.878431] vfs_write+0xea/0x3b0 # [ 73.882444] ksys_write+0x68/0xf0 # [ 73.886460] do_syscall_64+0x33/0x40 # [ 73.890768] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 73.896733] RIP: 0033:0x7f6e703de473 # [ 73.907205] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 1<6>[ 75.203633] PDLOG 2023/06/14 02:06:10.609 P0 SNK (not charging) Charger ??? 5000mV max 5000mV / 500mA 8 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff <6>[ 75.215246] PDLOG 2023/06/14 02:06:10.609 P1 Disconnected 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 73.934629<6>[ 75.227849] PDLOG 2023/06/14 02:06:10.640 P1 SNK (not charging) Charger ??? 5000mV max 5000mV / 3000mA ] RSP: 002b:00007ffd5491d9e8 EFLAGS: 00000246 ORIG_RAX: 00000000<6>[ 75.244791] PDLOG 2023/06/14 02:06:10.673 P0 SNK (not charging) Charger ??? 5000mV max 5000mV / 1500mA 00000001 # [ 73.943390] RAX: ffffffffffffffda RBX: 0000000000<6>[ 75.261666] PDLOG 2023/06/14 02:06:10.763 P1 SNK Charger ??? 5086mV max 15000mV / 3000mA 000017 RCX: 00007f6e703de473 # [ 73.951651] RDX: 000000000000<6>[ 75.277139] PDLOG 2023/06/14 02:06:10.879 P1 SNK Charger ??? 5064mV max 5000mV / 3000mA 0017 RSI: 00007f6e702d2000 RDI: 0000000000000001 # [ 73.95992<6>[ 75.292689] PDLOG 2023/06/14 02:06:10.913 P0 SNK (not charging) Charger ??? 5000mV max 5000mV / 1500mA 2] RBP: 00007f6e702d2000 R08: 00007f6e702d1010 R09: 000000000000<6>[ 75.309453] PDLOG 2023/06/14 02:06:11.060 P1 SNK Charger ??? 15075mV max 15000mV / 3000mA 0000 # [ 73.968186] R10: fffffffffffffbc5 R11: 00000000000002<6>[ 75.325211] PDLOG 2023/06/14 02:06:13.770 P1 SNK Charger PD 15017mV max 15000mV / 3000mA 46 R12: 0000000000000001 # [ 73.976449] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 73.984727] irq event stamp: 0 # [ 73.988442] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 73.995750] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 74.005180] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 74.014610] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 74.021905] ---[ end trace bf7d0a621a4c667b ]--- # [ 74.027367] lkdtm: Saturation detected: still saturated # REFCOUNT_INC_SATURATED: saw 'Saturation detected: still saturated': ok ok 52 selftests: lkdtm: REFCOUNT_INC_SATURATED.sh # selftests: lkdtm: REFCOUNT_DEC_SATURATED.sh # [ 74.391632] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED # [ 74.400759] lkdtm: attempting bad refcount_dec() from saturated # [ 74.413540] ------------[ cut here ]------------ # [ 74.425172] refcount_t: decrement hit 0; leaking memory. # [ 74.437851] WARNING: CPU: 3 PID: 2334 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 74.453794] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_usbpd_charger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore corebo<6>[ 75.486723] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED <6>[ 75.496222] lkdtm: attempting bad refcount_dec() from saturated <4>[ 75.503162] ------------[ cut here ]------------ <4>[ 75.508631] refcount_t: saturated; leaking memory. <4>[ 75.514345] WARNING: CPU: 0 PID: 2369 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 ot_table # [ 74.499911] CPU: 3 PID: 2334 Comm: cat Tainted: G<4>[ 75.524068] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_usbpd_charger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table <4>[ 75.570310] CPU: 0 PID: 2369 Comm: cat Tainted: G D W 5.10.182-cip35 #1 <4>[ 75.579261] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 75.586187] RIP: 0010:refcount_warn_saturate+0x51/0x110 <4>[ 75.592332] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 21 f2 f6 01 00 75 ee 48 c7 c7 28 3f 55 83 c6 05 11 f2 f6 01 01 e8 26 ee c0 00 <0f> 0b c3 cc cc cc cc 80 3d fd f1 f6 01 00 75 cb 48 c7 c7 50 3f 55 <4>[ 75.613595] RSP: 0018:ffffa6d6c2bffe48 EFLAGS: 00010286 <4>[ 75.619741] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000 <4>[ 75.628010] RDX: ffff930a3bc2c660 RSI: ffff930a3bc1bf70 RDI: ffff930a3bc1bf70 <4>[ 75.636287] RBP: ffffffff835f9053 R08: 0000000000000000 R09: 0000000000000000 <4>[ 75.644557] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 <4>[ 75.652828] R13: ffffa6d6c2bfff10 R14: ffffa6d6c2bfff10 R15: ffff9309c5b48000 <4>[ 75.661104] FS: 00007f64437a4580(0000) GS:ffff930a3bc00000(0000) knlGS:0000000000000000 <4>[ 75.670441] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 75.677159] CR2: 00007f64435ae000 CR3: 0000000103fc2000 CR4: 00000000003506f0 D W 5.10.182-cip35 #1 # [ 74.514844] Hardware n<4>[ 75.685433] Call Trace: <4>[ 75.694695] ? __warn+0x80/0x110 <4>[ 75.698624] ? refcount_warn_saturate+0x51/0x110 <4>[ 75.704104] ? report_bug+0x9e/0xc0 <4>[ 75.708313] ? handle_bug+0x41/0x90 <4>[ 75.712520] ? exc_invalid_op+0x14/0x70 <4>[ 75.717113] ? asm_exc_invalid_op+0x12/0x20 <4>[ 75.722098] ? refcount_warn_saturate+0x51/0x110 <4>[ 75.727562] ? refcount_warn_saturate+0x51/0x110 <4>[ 75.733028] lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x64 <4>[ 75.738785] direct_entry.cold+0x2c/0x38 ame: Google Coral/Coral, BIOS 09/29/2020 # [ 74.528107] RIP:<4>[ 75.743491] full_proxy_write+0x56/0x80 <4>[ 75.754289] vfs_write+0xea/0x3b0 0010:refcount_warn_saturate+0xfb/0x110 # [ 74.540285] Code: <4>[ 75.758321] ksys_write+0x68/0xf0 d8 3f 55 83 c6 05 7d f1 f6 01 01 e8 96 ed c0 00 0f 0b c3 cc cc c<4>[ 75.768503] do_syscall_64+0x33/0x40 c cc 48 c7 c7 a8 3f 55 83 c6 05 64 f1 f6 01 01 e8 7c ed c0 00 <0<4>[ 75.779004] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 75.791136] RIP: 0033:0x7f64436ba473 f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8<4>[ 75.795438] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 75.822904] RSP: 002b:00007fff2c410758 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 75.831716] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f64436ba473 <4>[ 75.840013] RDX: 0000000000000017 RSI: 00007f64435ae000 RDI: 0000000000000001 <4>[ 75.848280] RBP: 00007f64435ae000 R08: 00007f64435ad010 R09: 0000000000000000 <4>[ 75.856541] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 75.864803] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 75.873079] irq event stamp: 0 <4>[ 75.876792] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 75.884096] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 <4>[ 75.893525] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 <4>[ 75.902953] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 75.910248] ---[ end trace bf7d0a621a4c667d ]--- <6>[ 75.915700] lkdtm: Saturation detected: still saturated b # [ 74.567802] RSP: 0018:ffffa6d6c2b77e48 EFLAGS: 00010286 # [ 74.580048] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000 # [ 74.594506] RDX: ffff930a3bdac660 RSI: ffff930a3bd9bf70 RDI: ffff930a3bd9bf70 # [ 74.608964] RBP: ffffffff835f903c R08: 0000000000000000 R09: 0000000000000000 # [ 74.623480] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 74.637926] R13: ffffa6d6c2b77f10 R14: ffffa6d6c2b77f10 R15: ffff9309c684e000 # [ 74.652410] FS: 00007f32924cf580(0000) GS:ffff930a3bd80000(0000) knlGS:0000000000000000 # [ 74.667892] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 74.680804] CR2: 00007f32922d9000 CR3: 0000000104224000 CR4: 00000000003506e0 # [ 74.695218] Call Trace: # [ 74.704536] ? __warn+0x80/0x110 # [ 74.714655] ? refcount_warn_saturate+0xfb/0x110 # [ 74.726306] ? report_bug+0x9e/0xc0 # [ 74.736677] ? handle_bug+0x41/0x90 # [ 74.747065] ? exc_invalid_op+0x14/0x70 # [ 74.757875] ? asm_exc_invalid_op+0x12/0x20 # [ 74.769012] ? refcount_warn_saturate+0xfb/0x110 # [ 74.780682] ? refcount_warn_saturate+0xfb/0x110 # [ 74.792319] lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5f # [ 74.804258] direct_entry.cold+0x2c/0x38 # [ 74.815119] full_proxy_write+0x56/0x80 # [ 74.825909] vfs_write+0xea/0x3b0 # [ 74.836085] ksys_write+0x68/0xf0 # [ 74.846317] do_syscall_64+0x33/0x40 # [ 74.856768] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 74.868918] RIP: 0033:0x7f32923e5473 # [ 74.879386] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 74.906860] RSP: 002b:00007fff99ce0888 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 74.921783] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f32923e5473 # [ 74.936260] RDX: 0000000000000017 RSI: 00007f32922d9000 RDI: 0000000000000001 # [ 74.950709] RBP: 00007f32922d9000 R08: 00007f32922d8010 R09: 0000000000000000 # [ 74.965202] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 74.979654] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 74.994138] irq event stamp: 0 # [ 75.004034] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 75.017574] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 75.033263] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 75.048832] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 75.062323] ---[ end trace bf7d0a621a4c667c ]--- # [ 75.073980] 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 # [ 75.486723] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED # [ 75.496222] lkdtm: attempting bad refcount_dec() from saturated # [ 75.503162] ------------[ cut here ]------------ # [ 75.508631] refcount_t: saturated; leaking memory. # [ 75.514345] WARNING: CPU: 0 PID: 2369 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 75.524068] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_usbpd_charger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 75.570310] CPU: 0 PID: 2369 Comm: cat Tainted: G D W 5.10.182-cip35 #1 # [ 75.579261] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 75.586187] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 75.592332] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 <6>[ 76.302513] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED <6>[ 76.314520] lkdtm: attempting bad refcount_inc_not_zero() from saturated <4>[ 76.322328] ------------[ cut here ]------------ <4>[ 76.327808] refcount_t: saturated; leaking memory. 80 3d 21 f2 f6 01 00 75 ee 48 c7 c7 28 3f 55 83 c6 05 11 f2 f6 0<4>[ 76.333528] WARNING: CPU: 0 PID: 2401 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 1 01 e8 26 ee c0 00 <0f> 0b c3 cc cc cc cc 80 3d fd f1 f6 01 00 <4>[ 76.349467] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_usbpd_charger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table <4>[ 76.395734] CPU: 0 PID: 2401 Comm: cat Tainted: G D W 5.10.182-cip35 #1 <4>[ 76.404696] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 76.411613] RIP: 0010:refcount_warn_saturate+0x97/0x110 <4>[ 76.417761] Code: 01 01 e8 03 ee c0 00 0f 0b c3 cc cc cc cc 80 3d dc f1 f6 01 00 75 a8 48 c7 c7 28 3f 55 83 c6 05 cc f1 f6 01 01 e8 e0 ed c0 00 <0f> 0b c3 cc cc cc cc 80 3d b6 f1 f6 01 00 75 85 48 c7 c7 80 3f 55 <4>[ 76.439039] RSP: 0018:ffffa6d6c2c87e38 EFLAGS: 00010282 <4>[ 76.445178] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 <4>[ 76.453442] RDX: ffff930a3bc2c660 RSI: ffff930a3bc1bf70 RDI: ffff930a3bc1bf70 <4>[ 76.461712] RBP: ffffffff835f8c80 R08: 0000000000000000 R09: 0000000000000000 <4>[ 76.469986] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 <4>[ 76.478259] R13: ffffa6d6c2c87f10 R14: ffffa6d6c2c87f10 R15: ffff9309c2d81000 <4>[ 76.486529] FS: 00007fc948a70580(0000) GS:ffff930a3bc00000(0000) knlGS:0000000000000000 <4>[ 76.495864] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 76.502578] CR2: 00007fc94887a000 CR3: 0000000103fda000 CR4: 00000000003506f0 <4>[ 76.510841] Call Trace: <4>[ 76.513892] ? __warn+0x80/0x110 <4>[ 76.517817] ? refcount_warn_saturate+0x97/0x110 <4>[ 76.523295] ? report_bug+0x9e/0xc0 <4>[ 76.527513] ? handle_bug+0x41/0x90 <4>[ 76.531714] ? exc_invalid_op+0x14/0x70 <4>[ 76.536315] ? asm_exc_invalid_op+0x12/0x20 <4>[ 76.541309] ? refcount_warn_saturate+0x97/0x110 <4>[ 76.546774] ? refcount_warn_saturate+0x97/0x110 <4>[ 76.552246] __refcount_add_not_zero.constprop.0+0x2a/0x35 <4>[ 76.558670] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x76 <4>[ 76.565298] direct_entry.cold+0x2c/0x38 <4>[ 76.569985] full_proxy_write+0x56/0x80 <4>[ 76.574576] vfs_write+0xea/0x3b0 75 cb 48 c7 c7 50 3f 55 # [ 75.613595] RSP: 0018:ffffa6d6c2bf<4>[ 76.578586] ksys_write+0x68/0xf0 fe48 EFLAGS: 00010286 # [ 75.619741] RAX: 0000000000000000 RB<4>[ 76.588801] do_syscall_64+0x33/0x40 X: 0000000000000037 RCX: 0000000000000000 # [ 75.628010] RDX:<4>[ 76.599300] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 76.611458] RIP: 0033:0x7fc948986473 <4>[ 76.615754] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 76.637011] RSP: 002b:00007ffe93254748 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 76.645766] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fc948986473 <4>[ 76.654090] RDX: 0000000000000020 RSI: 00007fc94887a000 RDI: 0000000000000001 <4>[ 76.662393] RBP: 00007fc94887a000 R08: 00007fc948879010 R09: 0000000000000000 <4>[ 76.670668] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 76.678929] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 76.687220] irq event stamp: 0 <4>[ 76.690942] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 76.698248] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 <4>[ 76.707687] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 <4>[ 76.717132] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 76.724443] ---[ end trace bf7d0a621a4c667e ]--- <6>[ 76.729912] lkdtm: Saturation detected: still saturated ffff930a3bc2c660 RSI: ffff930a3bc1bf70 RDI: ffff930a3bc1bf70 # [ 75.636287] RBP: ffffffff835f9053 R08: 0000000000000000 R09: 0000000000000000 # [ 75.644557] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 75.652828] R13: ffffa6d6c2bfff10 R14: ffffa6d6c2bfff10 R15: ffff9309c5b48000 # [ 75.661104] FS: 00007f64437a4580(0000) GS:ffff930a3bc00000(0000) knlGS:0000000000000000 # [ 75.670441] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 75.677159] CR2: 00007f64435ae000 CR3: 0000000103fc2000 CR4: 00000000003506f0 # [ 75.685433] Call Trace: # [ 75.694695] ? __warn+0x80/0x110 # [ 75.698624] ? refcount_warn_saturate+0x51/0x110 # [ 75.704104] ? report_bug+0x9e/0xc0 # [ 75.708313] ? handle_bug+0x41/0x90 # [ 75.712520] ? exc_invalid_op+0x14/0x70 # [ 75.717113] ? asm_exc_invalid_op+0x12/0x20 # [ 75.722098] ? refcount_warn_saturate+0x51/0x110 # [ 75.727562] ? refcount_warn_saturate+0x51/0x110 # [ 75.733028] lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x64 # [ 75.738785] direct_entry.cold+0x2c/0x38 # [ 75.743491] full_proxy_write+0x56/0x80 # [ 75.754289] vfs_write+0xea/0x3b0 # [ 75.758321] ksys_write+0x68/0xf0 # [ 75.768503] do_syscall_64+0x33/0x40 # [ 75.779004] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 75.791136] RIP: 0033:0x7f64436ba473 # [ 75.795438] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 75.822904] RSP: 002b:00007fff2c410758 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 75.831716] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f64436ba473 # [ 75.840013] RDX: 0000000000000017 RSI: 00007f64435ae000 RDI: 0000000000000001 # [ 75.848280] RBP: 00007f64435ae000 R08: 00007f64435ad010 R09: 0000000000000000 # [ 75.856541] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 75.864803] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 75.873079] irq event stamp: 0 # [ 75.876792] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 75.884096] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 75.893525] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 75.902953] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 75.910248] ---[ end trace bf7d0a621a4c667d ]--- # [ 75.915700] 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 # [ 76.302513] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED # [ 76.314520] lkdtm: attempting bad refcount_inc_not_zero() from saturated # [ 76.322328] ------------[ cut here ]------------ # [ 76.327808] refcount_t: saturated; leaking memory. # [ 76.333528] WARNING: CPU: 0 PID: 2401 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 76.349467] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_usbpd_charger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 76.395734] CPU: 0 PID: 2401 Comm: cat Tainted: G D W 5.10.182-cip35 #1 # [ 76.404696] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 76.411613] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 76.417761] Code: 01 01 e8 03 ee c0 00 0f 0b c3 cc cc cc cc 80 3d dc f1 f6 01 00 75 a8 48 c7 c7 28 3f 55 83 c6 05 cc f1 f6 01 01 e8 e0 ed c<6>[ 77.109375] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED <6>[ 77.122669] lkdtm: attempting bad refcount_add_not_zero() from saturated 0 00 <0f> 0b c3 cc cc cc cc 80 3d b6 f1 f6 01 00 75 85 48 c7 c7 <4>[ 77.130523] ------------[ cut here ]------------ <4>[ 77.142226] refcount_t: saturated; leaking memory. 80 3f 55 # [ 76.439039] RSP: 0018:ffffa6d6c2c87e38 EFLAGS: 00<4>[ 77.147946] WARNING: CPU: 2 PID: 2433 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 010282 # [ 76.445178] RAX: 0000000000000000 RBX: 00000000c000<4>[ 77.163882] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_usbpd_charger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table <4>[ 77.210146] CPU: 2 PID: 2433 Comm: cat Tainted: G D W 5.10.182-cip35 #1 <4>[ 77.219104] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 77.226030] RIP: 0010:refcount_warn_saturate+0x97/0x110 <4>[ 77.232182] Code: 01 01 e8 03 ee c0 00 0f 0b c3 cc cc cc cc 80 3d dc f1 f6 01 00 75 a8 48 c7 c7 28 3f 55 83 c6 05 cc f1 f6 01 01 e8 e0 ed c0 00 <0f> 0b c3 cc cc cc cc 80 3d b6 f1 f6 01 00 75 85 48 c7 c7 80 3f 55 0000 RCX: 0000000000000000 # [ 76.453442] RDX: ffff930a3bc2c6<4>[ 77.253454] RSP: 0018:ffffa6d6c2d0fe38 EFLAGS: 00010282 <4>[ 77.265784] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 <4>[ 77.274064] RDX: ffff930a3bd2c660 RSI: ffff930a3bd1bf70 RDI: ffff930a3bd1bf70 <4>[ 77.282331] RBP: ffffffff835f8ca0 R08: 0000000000000000 R09: 0000000000000000 <4>[ 77.290600] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 <4>[ 77.298868] R13: ffffa6d6c2d0ff10 R14: ffffa6d6c2d0ff10 R15: ffff9309c5de8000 <4>[ 77.307132] FS: 00007fe6165d9580(0000) GS:ffff930a3bd00000(0000) knlGS:0000000000000000 <4>[ 77.316466] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 77.323183] CR2: 00007fe6163e3000 CR3: 00000001046a2000 CR4: 00000000003506e0 60 RSI: ffff930a3bc1bf70 RDI: ffff930a3bc1bf70 # [ 76.461712]<4>[ 77.331457] Call Trace: <4>[ 77.340701] ? __warn+0x80/0x110 <4>[ 77.344616] ? refcount_warn_saturate+0x97/0x110 <4>[ 77.350078] ? report_bug+0x9e/0xc0 <4>[ 77.354287] ? handle_bug+0x41/0x90 <4>[ 77.358498] ? exc_invalid_op+0x14/0x70 <4>[ 77.363099] ? asm_exc_invalid_op+0x12/0x20 <4>[ 77.368084] ? refcount_warn_saturate+0x97/0x110 <4>[ 77.373547] ? refcount_warn_saturate+0x97/0x110 <4>[ 77.379009] __refcount_add_not_zero.constprop.0+0x2a/0x35 RBP: ffffffff835f8c80 R08: 0000000000000000 R09: 00000000000000<4>[ 77.385439] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x76 00 # [ 76.469986] R10: 00000000ffffe000 R11: 3fffffffffffffff<4>[ 77.398267] direct_entry.cold+0x2c/0x38 R12: 0000000000000020 # [ 76.478259] R13: ffffa6d6c2c87f10 R<4>[ 77.409139] full_proxy_write+0x56/0x80 <4>[ 77.419917] vfs_write+0xea/0x3b0 <4>[ 77.423927] ksys_write+0x68/0xf0 <4>[ 77.427941] do_syscall_64+0x33/0x40 <4>[ 77.432240] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 77.438189] RIP: 0033:0x7fe6164ef473 14: ffffa6d6c2c87f10 R15: ffff9309c2d81000 # [ 76.486529] FS:<4>[ 77.442497] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 77.469931] RSP: 002b:00007ffd5b54c1f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 77.478691] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fe6164ef473 <4>[ 77.486958] RDX: 0000000000000020 RSI: 00007fe6163e3000 RDI: 0000000000000001 <4>[ 77.495223] RBP: 00007fe6163e3000 R08: 00007fe6163e2010 R09: 0000000000000000 <4>[ 77.503493] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 77.511757] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 77.520032] irq event stamp: 0 <4>[ 77.523746] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 77.531042] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 <4>[ 77.540468] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 <4>[ 77.549896] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 77.557190] ---[ end trace bf7d0a621a4c667f ]--- <6>[ 77.562636] lkdtm: Saturation detected: still saturated 00007fc948a70580(0000) GS:ffff930a3bc00000(0000) knlGS:0000000000000000 # [ 76.495864] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 76.502578] CR2: 00007fc94887a000 CR3: 0000000103fda000 CR4: 00000000003506f0 # [ 76.510841] Call Trace: # [ 76.513892] ? __warn+0x80/0x110 # [ 76.517817] ? refcount_warn_saturate+0x97/0x110 # [ 76.523295] ? report_bug+0x9e/0xc0 # [ 76.527513] ? handle_bug+0x41/0x90 # [ 76.531714] ? exc_invalid_op+0x14/0x70 # [ 76.536315] ? asm_exc_invalid_op+0x12/0x20 # [ 76.541309] ? refcount_warn_saturate+0x97/0x110 # [ 76.546774] ? refcount_warn_saturate+0x97/0x110 # [ 76.552246] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 76.558670] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x76 # [ 76.565298] direct_entry.cold+0x2c/0x38 # [ 76.569985] full_proxy_write+0x56/0x80 # [ 76.574576] vfs_write+0xea/0x3b0 # [ 76.578586] ksys_write+0x68/0xf0 # [ 76.588801] do_syscall_64+0x33/0x40 # [ 76.599300] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 76.611458] RIP: 0033:0x7fc948986473 # [ 76.615754] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 76.637011] RSP: 002b:00007ffe93254748 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 76.645766] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fc948986473 # [ 76.654090] RDX: 0000000000000020 RSI: 00007fc94887a000 RDI: 0000000000000001 # [ 76.662393] RBP: 00007fc94887a000 R08: 00007fc948879010 R09: 0000000000000000 # [ 76.670668] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 76.678929] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 76.687220] irq event stamp: 0 # [ 76.690942] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 76.698248] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 76.707687] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 76.717132] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 76.724443] ---[ end trace bf7d0a621a4c667e ]--- # [ 76.729912] lkdtm: Saturation detected: still saturated # REFCOUNT_INC_NOT_ZERO_SATURATED: saw 'call trace:': ok ok 55 selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_SATURATED.sh # selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_SATURATED.sh # [ 77.109375] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED # [ 77.122669] lkdtm: attempting bad refcount_add_not_zero() from saturated # [ 77.130523] ------------[ cut here ]------------ # [ 77.142226] refcount_t: saturated; leaking memory. # [ 77.147946] WARNING: CPU: 2 PID: 2433 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 77.163882] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_usbpd_charger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 77.210146] CPU: 2 PID: 2433 Comm: cat Tainted: G D W 5.10.182-cip35 #1 # [ 77.219104] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 77.226030] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 77.232182] Code: 01 01 e8 03 ee c0 00 0f 0b c3 cc cc cc cc 80 3d dc f1 f6 01 00 75 a8 48 c7 c7 28 3f 55 83 c6 05 cc f1 f6 01 01 e8 e0 ed c0 00 <0f> 0b c3 cc cc cc cc 80 3d b6 f1 f6 01 00 75 85 48 c7 c7 80 3f 55 # [ 77.253454] RSP: 0018:ffffa6d6c2d0fe38 EFLAGS: 00010282 # [ 77.265784] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 # [ 77.274064] RDX: ffff930a3bd2c660 RSI: ffff930a3bd1bf70 RDI: ffff930a3bd1bf70 # [ 77.282331] RBP: ffffffff835f8ca0 R08: 0000000000000000 R09: 0000000000000000 # [ 77<6>[ 77.956431] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED <6>[ 77.967459] lkdtm: attempting bad refcount_dec_and_test() from saturated <4>[ 77.975247] ------------[ cut here ]------------ <4>[ 77.980709] refcount_t: underflow; use-after-free. <4>[ 77.986424] WARNING: CPU: 2 PID: 2468 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 .290600] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000<4>[ 77.996129] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_usbpd_charger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table <4>[ 78.042370] CPU: 2 PID: 2468 Comm: cat Tainted: G D W 5.10.182-cip35 #1 <4>[ 78.051313] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 78.058230] RIP: 0010:refcount_warn_saturate+0xba/0x110 <4>[ 78.064377] Code: 01 01 e8 e0 ed c0 00 0f 0b c3 cc cc cc cc 80 3d b6 f1 f6 01 00 75 85 48 c7 c7 80 3f 55 83 c6 05 a6 f1 f6 01 01 e8 bd ed c0 00 <0f> 0b c3 cc cc cc cc 80 3d 91 f1 f6 01 00 0f 85 5e ff ff ff 48 c7 <4>[ 78.085628] RSP: 0018:ffffa6d6c2d8fe40 EFLAGS: 00010286 <4>[ 78.091766] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000 <4>[ 78.100028] RDX: ffff930a3bd2c660 RSI: ffff930a3bd1bf70 RDI: ffff930a3bd1bf70 <4>[ 78.108299] RBP: ffffffff835f8cc0 R08: 0000000000000000 R09: 0000000000000000 <4>[ 78.116562] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 <4>[ 78.124830] R13: ffffa6d6c2d8ff10 R14: ffffa6d6c2d8ff10 R15: ffff9309c3ef8000 <4>[ 78.133101] FS: 00007f62f0dc4580(0000) GS:ffff930a3bd00000(0000) knlGS:0000000000000000 <4>[ 78.142432] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 78.149148] CR2: 00007f62f0bce000 CR3: 0000000106ad2000 CR4: 00000000003506e0 <4>[ 78.157418] Call Trace: <4>[ 78.160467] ? __warn+0x80/0x110 <4>[ 78.164390] ? refcount_warn_saturate+0xba/0x110 <4>[ 78.169855] ? report_bug+0x9e/0xc0 <4>[ 78.174068] ? handle_bug+0x41/0x90 <4>[ 78.178271] ? exc_invalid_op+0x14/0x70 <4>[ 78.182864] ? asm_exc_invalid_op+0x12/0x20 <4>[ 78.187850] ? refcount_warn_saturate+0xba/0x110 <4>[ 78.193310] __refcount_sub_and_test.constprop.0+0x3c/0x50 <4>[ 78.199737] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x76 <4>[ 78.206374] direct_entry.cold+0x2c/0x38 <4>[ 78.211065] full_proxy_write+0x56/0x80 <4>[ 78.215666] vfs_write+0xea/0x3b0 <4>[ 78.219683] ksys_write+0x68/0xf0 <4>[ 78.223700] do_syscall_64+0x33/0x40 <4>[ 78.227996] entry_SYSCALL_64_after_hwframe+0x61/0xc6 0000000020 # [ 77.298868] R13: ffffa6d6c2d0ff10 R14: ffffa6d6<4>[ 78.233952] RIP: 0033:0x7f62f0cda473 c2d0ff10 R15: ffff9309c5de8000 # [ 77.307132] FS: 00007fe616<4>[ 78.244456] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 78.271884] RSP: 002b:00007ffe159b3cf8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 78.280653] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f62f0cda473 <4>[ 78.288930] RDX: 0000000000000020 RSI: 00007f62f0bce000 RDI: 0000000000000001 <4>[ 78.297214] RBP: 00007f62f0bce000 R08: 00007f62f0bcd010 R09: 0000000000000000 5d9580(0000) GS:ffff930a3bd00000(0000) knlGS:0000000000000000 #<4>[ 78.305532] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 78.320022] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 78.328316] irq event stamp: 0 <4>[ 78.332041] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 78.339348] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 <4>[ 78.348790] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 <4>[ 78.358233] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 78.365531] ---[ end trace bf7d0a621a4c6680 ]--- <6>[ 78.370997] lkdtm: Saturation detected: still saturated [ 77.316466] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 77.323183] CR2: 00007fe6163e3000 CR3: 00000001046a2000 CR4: 00000000003506e0 # [ 77.331457] Call Trace: # [ 77.340701] ? __warn+0x80/0x110 # [ 77.344616] ? refcount_warn_saturate+0x97/0x110 # [ 77.350078] ? report_bug+0x9e/0xc0 # [ 77.354287] ? handle_bug+0x41/0x90 # [ 77.358498] ? exc_invalid_op+0x14/0x70 # [ 77.363099] ? asm_exc_invalid_op+0x12/0x20 # [ 77.368084] ? refcount_warn_saturate+0x97/0x110 # [ 77.373547] ? refcount_warn_saturate+0x97/0x110 # [ 77.379009] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 77.385439] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x76 # [ 77.398267] direct_entry.cold+0x2c/0x38 # [ 77.409139] full_proxy_write+0x56/0x80 # [ 77.419917] vfs_write+0xea/0x3b0 # [ 77.423927] ksys_write+0x68/0xf0 # [ 77.427941] do_syscall_64+0x33/0x40 # [ 77.432240] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 77.438189] RIP: 0033:0x7fe6164ef473 # [ 77.442497] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 77.469931] RSP: 002b:00007ffd5b54c1f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 77.478691] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fe6164ef473 # [ 77.486958] RDX: 0000000000000020 RSI: 00007fe6163e3000 RDI: 0000000000000001 # [ 77.495223] RBP: 00007fe6163e3000 R08: 00007fe6163e2010 R09: 0000000000000000 # [ 77.503493] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 77.511757] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 77.520032] irq event stamp: 0 # [ 77.523746] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 77.531042] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 77.540468] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 77.549896] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 77.557190] ---[ end trace bf7d0a621a4c667f ]--- # [ 77.562636] lkdtm: Saturation detected: still saturated # REFCOUNT_ADD_NOT_ZERO_SATURATED: saw 'call trace:': ok ok 56 selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_SATURATED.sh # selftests: lkdtm: REFCOUNT_DEC_AND_TEST_SATURATED.sh # [ 77.956431] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED # [ 77.967459] lkdtm: attempting bad refcount_dec_and_test() from saturated # [ 77.975247] ------------[ cut here ]------------ # [ 77.980709] refcount_t: underflow; use-after-free. # [ 77.986424] WARNING: CPU: 2 PID: 2468 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 77.996129] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_usbpd_charger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 78.042370] CPU: 2 PID: 2468 Comm: cat Tainted: G D W 5.10.182-cip35 #1 # [ 78.051313] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 78.058230] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 78.064377] Code: 01 01 e8 e0 ed c0 00 0f 0b c3 cc cc cc cc 80 3d b6 f1 f6 01 00 75 85 48 c7 c7 80 3f 55 83 c6 05 a6 f1 f6 01 01 e8 bd ed c0 00 <0f> 0b c3 cc cc cc cc 80 3d 91 f1 f6 01 00 0f 85 5e ff ff ff 48 c7 # [ 78.085628] RSP: 0018:ffffa6d6c2d8fe40 EFLAGS: 00010286 # [ 78.091766] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000 # [ 78.100028] RDX: ffff930a3bd2c660 RSI: ffff930a3bd1bf70 RDI: ffff930a3bd1bf70 # [ 78.108299] RBP: ffffffff835f8cc0 R08: 0000000000000000 R09: 0000000000000000 # [ 78.116562] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 78.124830] R13: ffffa6d6c2d8ff10 R14: ffffa6d6c2d8ff10 R15<6>[ 78.770710] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED : ffff9309c3ef8000 # [ 78.133101] FS: 00007f62f0dc4580(0000)<6>[ 78.782585] lkdtm: attempting bad refcount_sub_and_test() from saturated GS:ffff930a3bd00000(0000) knlGS:0000000000000000 # [ 78.1424<4>[ 78.796593] ------------[ cut here ]------------ 32] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 78.<4>[ 78.808254] refcount_t: underflow; use-after-free. 149148] CR2: 00007f62f0bce000 CR3: 0000000106ad2000 CR4: 0000000<4>[ 78.820144] WARNING: CPU: 3 PID: 2503 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 0003506e0 # [ 78.157418] Call Trace: # [ 78.160467] ? __w<4>[ 78.836085] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_usbpd_charger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table arn+0x80/0x110 # [ 78.164390] ? refcount_warn_saturate+0xba/<4>[ 78.882271] CPU: 3 PID: 2503 Comm: cat Tainted: G D W 5.10.182-cip35 #1 0x110 # [ 78.169855] ? report_bug+0x9e/0xc0 # [ 78.174068<4>[ 78.897371] Hardware name: Google Coral/Coral, BIOS 09/29/2020 ] ? handle_bug+0x41/0x90 # [ 78.178271] ? exc_invalid_op+0x<4>[ 78.910505] RIP: 0010:refcount_warn_saturate+0xba/0x110 14/0x70 # [ 78.182864] ? asm_exc_invalid_op+0x12/0x20 # [ <4>[ 78.922816] Code: 01 01 e8 e0 ed c0 00 0f 0b c3 cc cc cc cc 80 3d b6 f1 f6 01 00 75 85 48 c7 c7 80 3f 55 83 c6 05 a6 f1 f6 01 01 e8 bd ed c0 00 <0f> 0b c3 cc cc cc cc 80 3d 91 f1 f6 01 00 0f 85 5e ff ff ff 48 c7 78.187850] ? refcount_warn_saturate+0xba/0x110 # [ 78.19331<4>[ 78.950308] RSP: 0018:ffffa6d6c2e17e40 EFLAGS: 00010286 0] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 78.1997<4>[ 78.962610] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000 37] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x76 # [ 78.2<4>[ 78.977069] RDX: ffff930a3bdac660 RSI: ffff930a3bd9bf70 RDI: ffff930a3bd9bf70 06374] direct_entry.cold+0x2c/0x38 # [ 78.211065] full_prox<4>[ 78.991565] RBP: ffffffff835f8ce0 R08: 0000000000000000 R09: 0000000000000000 y_write+0x56/0x80 # [ 78.215666] vfs_write+0xea/0x3b0 # [ <4>[ 79.006012] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 78.219683] ksys_write+0x68/0xf0 # [ 78.223700] do_syscall_<4>[ 79.020517] R13: ffffa6d6c2e17f10 R14: ffffa6d6c2e17f10 R15: ffff9309c3259000 64+0x33/0x40 # [ 78.227996] entry_SYSCALL_64_after_hwframe+0<4>[ 79.034969] FS: 00007fee372ed580(0000) GS:ffff930a3bd80000(0000) knlGS:0000000000000000 x61/0xc6 # [ 78.233952] RIP: 0033:0x7f62f0cda473 # [ 78.24<4>[ 79.050520] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 4456] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff f<4>[ 79.063489] CR2: 00007fee370f7000 CR3: 0000000105a7e000 CR4: 00000000003506e0 f eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00<4>[ 79.078189] Call Trace: 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 4<4>[ 79.087184] ? __warn+0x80/0x110 8 89 54 24 18 # [ 78.271884] RSP: 002b:00007ffe159b3cf8 EFLAG<4>[ 79.097495] ? refcount_warn_saturate+0xba/0x110 S: 00000246 ORIG_RAX: 0000000000000001 # [ 78.280653] RAX: ff<4>[ 79.109089] ? report_bug+0x9e/0xc0 ffffffffffffda RBX: 0000000000000020 RCX: 00007f62f0cda473 # [ <4>[ 79.119507] ? handle_bug+0x41/0x90 78.288930] RDX: 0000000000000020 RSI: 00007f62f0bce000 RDI: 00<4>[ 79.129786] ? exc_invalid_op+0x14/0x70 00000000000001 # [ 78.297214] RBP: 00007f62f0bce000 R08: 0000<4>[ 79.140607] ? asm_exc_invalid_op+0x12/0x20 7f62f0bcd010 R09: 0000000000000000 # [ 78.305532] R10: ffffff<4>[ 79.151763] ? refcount_warn_saturate+0xba/0x110 fffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 78<4>[ 79.163441] __refcount_sub_and_test.constprop.0+0x3c/0x50 .320022] R13: 0000000000000001 R14: 0000000000020000 R15: 000000<4>[ 79.176034] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x76 0000020000 # [ 78.328316] irq event stamp: 0 # [ 78.332041<4>[ 79.188891] direct_entry.cold+0x2c/0x38 ] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ <4>[ 79.199713] full_proxy_write+0x56/0x80 78.339348] hardirqs last disabled at (0): [] <4>[ 79.210543] vfs_write+0xea/0x3b0 copy_process+0x664/0x1c60 # [ 78.348790] softirqs last enabl<4>[ 79.220826] ksys_write+0x68/0xf0 ed at (0): [] copy_process+0x664/0x1c60 # [ <4>[ 79.230973] do_syscall_64+0x33/0x40 78.358233] softirqs last disabled at (0): [<0000000000000000>] <4>[ 79.241480] entry_SYSCALL_64_after_hwframe+0x61/0xc6 0x0 # [ 78.365531] ---[ end trace bf7d0a621a4c6680 ]--- # [ <4>[ 79.253613] RIP: 0033:0x7fee37203473 78.370997] lkdtm: Saturation detected: still saturated # REFC<4>[ 79.264178] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 OUNT_DEC_AND_TEST_SATURATED: saw 'Saturation detected: still sat<4>[ 79.291568] RSP: 002b:00007ffc7b87f798 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 urated': ok ok 57 selftests: lkdtm: REFCOUNT_DEC_AND_TEST_SATUR<4>[ 79.306570] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fee37203473 ATED.sh # selftests: lkdtm: REFCOUNT_SUB_AND_TEST_SATURATED.sh <4>[ 79.320984] RDX: 0000000000000020 RSI: 00007fee370f7000 RDI: 0000000000000001 <4>[ 79.335497] RBP: 00007fee370f7000 R08: 00007fee370f6010 R09: 0000000000000000 <4>[ 79.343838] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 79.352194] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 79.360555] irq event stamp: 0 <4>[ 79.364372] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 79.371754] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 <4>[ 79.381278] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 <4>[ 79.390784] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 79.398185] ---[ end trace bf7d0a621a4c6681 ]--- <6>[ 79.403720] lkdtm: Saturation detected: still saturated # [ 78.770710] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED # [ 78.782585] lkdtm: attempting bad refcount_sub_and_test() from saturated # [ 78.796593] ------------[ cut here ]------------ # [ 78.808254] refcount_t: underflow; use-after-free. # [ 78.820144] WARNING: CPU: 3 PID: 2503 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 78.836085] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_usbpd_charger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 78.882271] CPU: 3 PID: 2503 Comm: cat Tainted: G D W 5.10.182-cip35 #1 # [ 78.897371] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 78.910505] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 78.922816] Code: 01 01 e8 e0 ed c0 00 0f 0b c3 cc cc cc cc 80 3d b6 f1 f6 01 00 75 85 48 c7 c7 80 3f 55 83 c6 05 a6 f1 f6 01 01 e8 bd ed c0 00 <0f> 0b c3 cc cc cc cc 80 3d 91 f1 f6 01 00 0f 85 5e ff ff ff 48 c7 # [ 78.950308] RSP: 0018:ffffa6d6c2e17e40 EFLAGS: 00010286 # [ 78.962610] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000 # [ 78.977069] RDX: ffff930a3bdac660 RSI: ffff930a3bd9bf70 RDI: ffff930a3bd9bf70 # [ 78.991565] RBP: ffffffff835f8ce0 R08: 0000000000000000 R09: 0000000000000000 # [ 79.006012] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 79.020517] R13: ffffa6d6c2e17f10 R14: ffffa6d6c2e17f10 R15: ffff9309c3259000 # [ 79.034969] FS: 00007fee372ed580(0000) GS:ffff930a3bd80000(0000) knlGS:0000000000000000 # [ 79.050520] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 79.063489] CR2: 00007fee370f7000 CR3: 0000000105a7e000 CR4: 00000000003506e0 # [ 79.078189] Call Trace: # [ 79.087184] ? __warn+0x80/0x110 # [ 79.097495] ? refcount_warn_saturate+0xba/0x110 # [ 79.109089] ? report_bug+0x9e/0xc0 # [ 79.119507] ? handle_bug+0x41/0x90 # [ 79.129786] ? exc_invalid_op+0x14/0x70 # [ 79.140607] ? asm_exc_invalid_op+0x12/0x20 # [ 79.151763] ? refcount_warn_saturate+0xba/0x110 # [ 79.163441] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 79.176034] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x76 # [ 79.188891] direct_entry.cold+0x2c/0x38 # [ 79.199713] full_proxy_write+0x56/0x80 # [ 79.210543] vfs_write+0xea/0x3b0 # [ 79.220826] ksys_write+0x68/0xf0 # [ 79.230973] do_syscall_64+0x33/0x40 # [ 79.241480] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 79.253613] RIP: 0033:0x7fee37203473 # [ 79.264178] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 79.291568] RSP: 002b:00007ffc7b87f798 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 79.306570] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fee37203473 # [ 79.320984] RDX: 0000000000000020 RSI: 00007fee370f7000 RDI: 0000000000000001 # [ 79.335497] RBP: 00007fee370f7000 R08: 00007fee370f6010 R09: 0000000000000000 # [ 79.343838] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 79.352194] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 79.360555] irq event stamp: 0 # [ 79.364372] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 79.371754] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 79.381278] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 79.390784] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 79.398185] ---[ end trace bf7d0a621a4c6681 ]--- # [ 79.403720] 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>[ 80.062005] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO <6>[ 80.069075] lkdtm: attempting good copy_to_user of correct size <6>[ 80.076019] lkdtm: attempting bad copy_to_user of too large size # [ 80.062005] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO # [ 80.069075] lkdtm: attempting good copy_to_user of correct size # [ 80.076019] 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>[ 80.435781] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM <6>[ 80.443012] lkdtm: attempting good copy_from_user of correct size <6>[ 80.450157] lkdtm: attempting bad copy_from_user of too large size # [ 80.435781] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM # [ 80.443012] lkdtm: attempting good copy_from_user of correct size # [ 80.450157] 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>[ 80.808876] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO <6>[ 80.816448] lkdtm: attempting good copy_to_user inside whitelist <6>[ 80.823505] lkdtm: attempting bad copy_to_user outside whitelist # [ 80.808876] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO # [ 80.816448] lkdtm: attempting good copy_to_user inside whitelist # [ 80.823505] 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>[ 81.157274] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM <6>[ 81.165010] lkdtm: attempting good copy_from_user inside whitelist <6>[ 81.172231] lkdtm: attempting bad copy_from_user outside whitelist # [ 81.157274] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM # [ 81.165010] lkdtm: attempting good copy_from_user inside whitelist # [ 81.172231] 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>[ 81.525179] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO <6>[ 81.532407] lkdtm: good_stack: ffffa6d6c316fe20-ffffa6d6c316fe40 <6>[ 81.539464] lkdtm: bad_stack : ffffa6d6c316fda8-ffffa6d6c316fdc8 <6>[ 81.546833] lkdtm: attempting good copy_to_user of local stack <6>[ 81.554049] lkdtm: attempting bad copy_to_user of distant stack # [ 81.525179] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO # [ 81.532407] lkdtm: good_stack: ffffa6d6c316fe20-ffffa6d6c316fe40 # [ 81.539464] lkdtm: bad_stack : ffffa6d6c316fda8-ffffa6d6c316fdc8 # [ 81.546833] lkdtm: attempting good copy_to_user of local stack # [ 81.554049] 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>[ 81.904701] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM <6>[ 81.912124] lkdtm: good_stack: ffffa6d6c31efe20-ffffa6d6c31efe40 <6>[ 81.919147] lkdtm: bad_stack : ffffa6d6c31efda8-ffffa6d6c31efdc8 <6>[ 81.926178] lkdtm: attempting good copy_from_user of local stack <6>[ 81.933202] lkdtm: attempting bad copy_from_user of distant stack # [ 81.904701] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM # [ 81.912124] lkdtm: good_stack: ffffa6d6c31efe20-ffffa6d6c31efe40 # [ 81.919147] lkdtm: bad_stack : ffffa6d6c31efda8-ffffa6d6c31efdc8 # [ 81.926178] lkdtm: attempting good copy_from_user of local stack # [ 81.933202] 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>[ 82.286259] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND <6>[ 82.293299] lkdtm: good_stack: ffffa6d6c32a7e20-ffffa6d6c32a7e40 <6>[ 82.300321] lkdtm: bad_stack : ffffa6d6c32a7ff8-ffffa6d6c32a8018 <6>[ 82.307525] lkdtm: attempting good copy_to_user of local stack <6>[ 82.314376] lkdtm: attempting bad copy_to_user of distant stack <4>[ 82.321306] lkdtm: copy_to_user failed, but lacked Oops # [ 82.286259] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND # [ 82.293299] lkdtm: good_stack: ffffa6d6c32a7e20-ffffa6d6c32a7e40 # [ 82.300321] lkdtm: bad_stack : ffffa6d6c32a7ff8-ffffa6d6c32a8018 # [ 82.307525] lkdtm: attempting good copy_to_user of local stack # [ 82.314376] lkdtm: attempting bad copy_to_user of distant stack # [ 82.321306] 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>[ 82.687513] lkdtm: Performing direct entry USERCOPY_KERNEL <6>[ 82.693988] lkdtm: attempting good copy_to_user from kernel rodata: ffffffff8317ecf0 <6>[ 82.702996] lkdtm: attempting bad copy_to_user from kernel text: ffffffff818e1300 <3>[ 82.711672] lkdtm: FAIL: survived bad copy_to_user() # [ 82.687513] lkdtm: Performing direct entry USERCOPY_KERNEL # [ 82.693988] lkdtm: attempting good copy_to_user from kernel rodata: ffffffff8317ecf0 # [ 82.702996] lkdtm: attempting bad copy_to_user from kernel text: ffffffff818e1300 # [ 82.711672] 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>[ 83.083020] lkdtm: Performing direct entry STACKLEAK_ERASING <6>[ 83.089665] lkdtm: checking unused part of the thread stack (15928 bytes)... <3>[ 83.097909] lkdtm: FAIL: the erased part is not found (checked 15928 bytes) <3>[ 83.106000] lkdtm: FAIL: the thread stack is NOT properly erased <4>[ 83.113036] CPU: 0 PID: 2868 Comm: cat Tainted: G D W 5.10.182-cip35 #1 <4>[ 83.121959] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 83.128845] Call Trace: <4>[ 83.131879] dump_stack+0x77/0x9b <4>[ 83.135866] lkdtm_STACKLEAK_ERASING+0x116/0x144 <4>[ 83.141315] direct_entry.cold+0x2c/0x38 <4>[ 83.145990] full_proxy_write+0x56/0x80 <4>[ 83.150561] vfs_write+0xea/0x3b0 <4>[ 83.154552] ksys_write+0x68/0xf0 <4>[ 83.158547] do_syscall_64+0x33/0x40 <4>[ 83.162830] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 83.168765] RIP: 0033:0x7f789390d473 <4>[ 83.173044] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 83.194294] RSP: 002b:00007ffc7085ee98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 83.203041] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f789390d473 <4>[ 83.211291] RDX: 0000000000000012 RSI: 00007f7893801000 RDI: 0000000000000001 <4>[ 83.219537] RBP: 00007f7893801000 R08: 00007f7893800010 R09: 0000000000000000 <4>[ 83.227779] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 83.236020] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 83.083020] lkdtm: Performing direct entry STACKLEAK_ERASING # [ 83.089665] lkdtm: checking unused part of the thread stack (15928 bytes)... # [ 83.097909] lkdtm: FAIL: the erased part is not found (checked 15928 bytes) # [ 83.106000] lkdtm: FAIL: the thread stack is NOT properly erased # [ 83.113036] CPU: 0 PID: 2868 Comm: cat Tainted: G D W 5.10.182-cip35 #1 # [ 83.121959] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 83.128845] Call Trace: # [ 83.131879] dump_stack+0x77/0x9b # [ 83.135866] lkdtm_STACKLEAK_ERASING+0x116/0x144 # [ 83.141315] direct_entry.cold+0x2c/0x38 # [ 83.145990] full_proxy_write+0x56/0x80 # [ 83.150561] vfs_write+0xea/0x3b0 # [ 83.154552] ksys_write+0x68/0xf0 # [ 83.158547] do_syscall_64+0x33/0x40 # [ 83.162830] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 83.168765] RIP: 0033:0x7f789390d473 # [ 83.173044] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 83.194294] RSP: 002b:00007ffc7085ee98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 83.203041] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f789390d473 # [ 83.211291] RDX: 0000000000000012 RSI: 00007f7893801000 RDI: 0000000000000001 # [ 83.219537] RBP: 00007f7893801000 R08: 00007f7893800010 R09: 0000000000000000 # [ 83.227779] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 83.236020] 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>[ 83.607908] lkdtm: Performing direct entry CFI_FORWARD_PROTO <6>[ 83.614565] lkdtm: Calling matched prototype ... <6>[ 83.620033] lkdtm: Calling mismatched prototype ... <6>[ 83.625797] lkdtm: Fail: survived mismatched prototype function call! # [ 83.607908] lkdtm: Performing direct entry CFI_FORWARD_PROTO # [ 83.614565] lkdtm: Calling matched prototype ... # [ 83.620033] lkdtm: Calling mismatched prototype ... # [ 83.625797] 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 / #